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-rw-r--r--drivers/char/tty_buffer.c31
-rw-r--r--drivers/firewire/sbp2.c39
-rw-r--r--drivers/net/Kconfig11
-rw-r--r--drivers/net/Makefile10
-rw-r--r--drivers/net/acenic.c3
-rw-r--r--drivers/net/can/sja1000/sja1000_of_platform.c1
-rw-r--r--drivers/net/davinci_emac.c36
-rw-r--r--drivers/net/ethoc.c3
-rw-r--r--drivers/net/fec_mpc52xx.c6
-rw-r--r--drivers/net/fec_mpc52xx_phy.c1
-rw-r--r--drivers/net/fs_enet/fs_enet-main.c1
-rw-r--r--drivers/net/fs_enet/mii-bitbang.c1
-rw-r--r--drivers/net/fs_enet/mii-fec.c1
-rw-r--r--drivers/net/fsl_pq_mdio.c1
-rw-r--r--drivers/net/gianfar.c4
-rw-r--r--drivers/net/ibm_newemac/core.c9
-rw-r--r--drivers/net/ibm_newemac/emac.h1
-rw-r--r--drivers/net/irda/sa1100_ir.c7
-rw-r--r--drivers/net/ixp2000/enp2611.c18
-rw-r--r--drivers/net/ixp2000/ixpdev.c11
-rw-r--r--drivers/net/netxen/netxen_nic_main.c3
-rw-r--r--drivers/net/pcmcia/3c574_cs.c13
-rw-r--r--drivers/net/phy/mdio-gpio.c1
-rw-r--r--drivers/net/qlge/qlge.h10
-rw-r--r--drivers/net/qlge/qlge_main.c97
-rw-r--r--drivers/net/qlge/qlge_mpi.c93
-rw-r--r--drivers/net/r8169.c987
-rw-r--r--drivers/net/stmmac/Kconfig53
-rw-r--r--drivers/net/stmmac/Makefile4
-rw-r--r--drivers/net/stmmac/common.h330
-rw-r--r--drivers/net/stmmac/descs.h163
-rw-r--r--drivers/net/stmmac/gmac.c693
-rw-r--r--drivers/net/stmmac/gmac.h204
-rw-r--r--drivers/net/stmmac/mac100.c517
-rw-r--r--drivers/net/stmmac/mac100.h116
-rw-r--r--drivers/net/stmmac/stmmac.h98
-rw-r--r--drivers/net/stmmac/stmmac_ethtool.c395
-rw-r--r--drivers/net/stmmac/stmmac_main.c2204
-rw-r--r--drivers/net/stmmac/stmmac_mdio.c217
-rw-r--r--drivers/net/stmmac/stmmac_timer.c140
-rw-r--r--drivers/net/stmmac/stmmac_timer.h41
-rw-r--r--drivers/net/usb/pegasus.c13
-rw-r--r--drivers/net/usb/pegasus.h6
-rw-r--r--drivers/net/vmxnet3/Makefile35
-rw-r--r--drivers/net/vmxnet3/upt1_defs.h96
-rw-r--r--drivers/net/vmxnet3/vmxnet3_defs.h535
-rw-r--r--drivers/net/vmxnet3/vmxnet3_drv.c2565
-rw-r--r--drivers/net/vmxnet3/vmxnet3_ethtool.c566
-rw-r--r--drivers/net/vmxnet3/vmxnet3_int.h389
-rw-r--r--drivers/net/wan/hdlc_cisco.c18
-rw-r--r--drivers/net/wireless/adm8211.h2
-rw-r--r--drivers/net/wireless/b43/b43.h168
-rw-r--r--drivers/net/wireless/b43/leds.c4
-rw-r--r--drivers/net/wireless/b43/leds.h4
-rw-r--r--drivers/net/wireless/b43/main.c7
-rw-r--r--drivers/net/wireless/b43/pio.c78
-rw-r--r--drivers/net/wireless/b43/xmit.c5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-rs.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-commands.h2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-eeprom.c23
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-eeprom.h20
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-rx.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c2
-rw-r--r--drivers/net/wireless/libertas/cmdresp.c1
-rw-r--r--drivers/net/znet.c8
-rw-r--r--drivers/oprofile/event_buffer.c35
-rw-r--r--drivers/s390/block/dasd.c13
-rw-r--r--drivers/s390/block/dasd_eckd.c8
-rw-r--r--drivers/s390/char/sclp_async.c4
-rw-r--r--drivers/s390/char/sclp_vt220.c30
-rw-r--r--drivers/s390/char/tape_block.c3
-rw-r--r--drivers/s390/cio/device.c9
-rw-r--r--drivers/staging/b3dfg/b3dfg.c1
-rw-r--r--drivers/staging/comedi/drivers/me_daq.c1
-rw-r--r--drivers/staging/comedi/drivers/ni_mio_common.c1
-rw-r--r--drivers/staging/comedi/drivers/ni_pcidio.c1
-rw-r--r--drivers/staging/et131x/et1310_address_map.h2
-rw-r--r--drivers/staging/et131x/et1310_rx.c20
-rw-r--r--drivers/staging/hv/osd.c1
-rw-r--r--drivers/staging/iio/industrialio-core.c2
-rw-r--r--drivers/staging/poch/poch.c1
-rw-r--r--drivers/staging/rt2860/common/cmm_data_2860.c2
-rw-r--r--drivers/staging/rt2860/common/cmm_info.c1
-rw-r--r--drivers/staging/rt2860/rt_linux.c1
-rw-r--r--drivers/staging/rt3090/common/cmm_info.c1
-rw-r--r--drivers/staging/rt3090/rt_linux.c1
-rw-r--r--drivers/staging/sep/sep_driver.c1
-rw-r--r--drivers/staging/vme/bridges/vme_ca91cx42.c1
-rw-r--r--drivers/staging/vme/bridges/vme_tsi148.c1
-rw-r--r--drivers/watchdog/riowd.c2
93 files changed, 10893 insertions, 381 deletions
diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c
index 3108991c5c8b..66fa4e10d76b 100644
--- a/drivers/char/tty_buffer.c
+++ b/drivers/char/tty_buffer.c
@@ -402,28 +402,26 @@ static void flush_to_ldisc(struct work_struct *work)
402 container_of(work, struct tty_struct, buf.work.work); 402 container_of(work, struct tty_struct, buf.work.work);
403 unsigned long flags; 403 unsigned long flags;
404 struct tty_ldisc *disc; 404 struct tty_ldisc *disc;
405 struct tty_buffer *tbuf, *head;
406 char *char_buf;
407 unsigned char *flag_buf;
408 405
409 disc = tty_ldisc_ref(tty); 406 disc = tty_ldisc_ref(tty);
410 if (disc == NULL) /* !TTY_LDISC */ 407 if (disc == NULL) /* !TTY_LDISC */
411 return; 408 return;
412 409
413 spin_lock_irqsave(&tty->buf.lock, flags); 410 spin_lock_irqsave(&tty->buf.lock, flags);
414 /* So we know a flush is running */ 411
415 set_bit(TTY_FLUSHING, &tty->flags); 412 if (!test_and_set_bit(TTY_FLUSHING, &tty->flags)) {
416 head = tty->buf.head; 413 struct tty_buffer *head;
417 if (head != NULL) { 414 while ((head = tty->buf.head) != NULL) {
418 tty->buf.head = NULL; 415 int count;
419 for (;;) { 416 char *char_buf;
420 int count = head->commit - head->read; 417 unsigned char *flag_buf;
418
419 count = head->commit - head->read;
421 if (!count) { 420 if (!count) {
422 if (head->next == NULL) 421 if (head->next == NULL)
423 break; 422 break;
424 tbuf = head; 423 tty->buf.head = head->next;
425 head = head->next; 424 tty_buffer_free(tty, head);
426 tty_buffer_free(tty, tbuf);
427 continue; 425 continue;
428 } 426 }
429 /* Ldisc or user is trying to flush the buffers 427 /* Ldisc or user is trying to flush the buffers
@@ -445,9 +443,9 @@ static void flush_to_ldisc(struct work_struct *work)
445 flag_buf, count); 443 flag_buf, count);
446 spin_lock_irqsave(&tty->buf.lock, flags); 444 spin_lock_irqsave(&tty->buf.lock, flags);
447 } 445 }
448 /* Restore the queue head */ 446 clear_bit(TTY_FLUSHING, &tty->flags);
449 tty->buf.head = head;
450 } 447 }
448
451 /* We may have a deferred request to flush the input buffer, 449 /* We may have a deferred request to flush the input buffer,
452 if so pull the chain under the lock and empty the queue */ 450 if so pull the chain under the lock and empty the queue */
453 if (test_bit(TTY_FLUSHPENDING, &tty->flags)) { 451 if (test_bit(TTY_FLUSHPENDING, &tty->flags)) {
@@ -455,7 +453,6 @@ static void flush_to_ldisc(struct work_struct *work)
455 clear_bit(TTY_FLUSHPENDING, &tty->flags); 453 clear_bit(TTY_FLUSHPENDING, &tty->flags);
456 wake_up(&tty->read_wait); 454 wake_up(&tty->read_wait);
457 } 455 }
458 clear_bit(TTY_FLUSHING, &tty->flags);
459 spin_unlock_irqrestore(&tty->buf.lock, flags); 456 spin_unlock_irqrestore(&tty->buf.lock, flags);
460 457
461 tty_ldisc_deref(disc); 458 tty_ldisc_deref(disc);
@@ -471,7 +468,7 @@ static void flush_to_ldisc(struct work_struct *work)
471 */ 468 */
472void tty_flush_to_ldisc(struct tty_struct *tty) 469void tty_flush_to_ldisc(struct tty_struct *tty)
473{ 470{
474 flush_to_ldisc(&tty->buf.work.work); 471 flush_delayed_work(&tty->buf.work);
475} 472}
476 473
477/** 474/**
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 50f0176de615..98dbbda3ad41 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -188,14 +188,7 @@ static struct fw_device *target_device(struct sbp2_target *tgt)
188/* Impossible login_id, to detect logout attempt before successful login */ 188/* Impossible login_id, to detect logout attempt before successful login */
189#define INVALID_LOGIN_ID 0x10000 189#define INVALID_LOGIN_ID 0x10000
190 190
191/* 191#define SBP2_ORB_TIMEOUT 2000U /* Timeout in ms */
192 * Per section 7.4.8 of the SBP-2 spec, a mgt_ORB_timeout value can be
193 * provided in the config rom. Most devices do provide a value, which
194 * we'll use for login management orbs, but with some sane limits.
195 */
196#define SBP2_MIN_LOGIN_ORB_TIMEOUT 5000U /* Timeout in ms */
197#define SBP2_MAX_LOGIN_ORB_TIMEOUT 40000U /* Timeout in ms */
198#define SBP2_ORB_TIMEOUT 2000U /* Timeout in ms */
199#define SBP2_ORB_NULL 0x80000000 192#define SBP2_ORB_NULL 0x80000000
200#define SBP2_RETRY_LIMIT 0xf /* 15 retries */ 193#define SBP2_RETRY_LIMIT 0xf /* 15 retries */
201#define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */ 194#define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */
@@ -1034,7 +1027,6 @@ static int sbp2_scan_unit_dir(struct sbp2_target *tgt, u32 *directory,
1034{ 1027{
1035 struct fw_csr_iterator ci; 1028 struct fw_csr_iterator ci;
1036 int key, value; 1029 int key, value;
1037 unsigned int timeout;
1038 1030
1039 fw_csr_iterator_init(&ci, directory); 1031 fw_csr_iterator_init(&ci, directory);
1040 while (fw_csr_iterator_next(&ci, &key, &value)) { 1032 while (fw_csr_iterator_next(&ci, &key, &value)) {
@@ -1059,17 +1051,7 @@ static int sbp2_scan_unit_dir(struct sbp2_target *tgt, u32 *directory,
1059 1051
1060 case SBP2_CSR_UNIT_CHARACTERISTICS: 1052 case SBP2_CSR_UNIT_CHARACTERISTICS:
1061 /* the timeout value is stored in 500ms units */ 1053 /* the timeout value is stored in 500ms units */
1062 timeout = ((unsigned int) value >> 8 & 0xff) * 500; 1054 tgt->mgt_orb_timeout = (value >> 8 & 0xff) * 500;
1063 timeout = max(timeout, SBP2_MIN_LOGIN_ORB_TIMEOUT);
1064 tgt->mgt_orb_timeout =
1065 min(timeout, SBP2_MAX_LOGIN_ORB_TIMEOUT);
1066
1067 if (timeout > tgt->mgt_orb_timeout)
1068 fw_notify("%s: config rom contains %ds "
1069 "management ORB timeout, limiting "
1070 "to %ds\n", tgt->bus_id,
1071 timeout / 1000,
1072 tgt->mgt_orb_timeout / 1000);
1073 break; 1055 break;
1074 1056
1075 case SBP2_CSR_LOGICAL_UNIT_NUMBER: 1057 case SBP2_CSR_LOGICAL_UNIT_NUMBER:
@@ -1087,6 +1069,22 @@ static int sbp2_scan_unit_dir(struct sbp2_target *tgt, u32 *directory,
1087 return 0; 1069 return 0;
1088} 1070}
1089 1071
1072/*
1073 * Per section 7.4.8 of the SBP-2 spec, a mgt_ORB_timeout value can be
1074 * provided in the config rom. Most devices do provide a value, which
1075 * we'll use for login management orbs, but with some sane limits.
1076 */
1077static void sbp2_clamp_management_orb_timeout(struct sbp2_target *tgt)
1078{
1079 unsigned int timeout = tgt->mgt_orb_timeout;
1080
1081 if (timeout > 40000)
1082 fw_notify("%s: %ds mgt_ORB_timeout limited to 40s\n",
1083 tgt->bus_id, timeout / 1000);
1084
1085 tgt->mgt_orb_timeout = clamp_val(timeout, 5000, 40000);
1086}
1087
1090static void sbp2_init_workarounds(struct sbp2_target *tgt, u32 model, 1088static void sbp2_init_workarounds(struct sbp2_target *tgt, u32 model,
1091 u32 firmware_revision) 1089 u32 firmware_revision)
1092{ 1090{
@@ -1171,6 +1169,7 @@ static int sbp2_probe(struct device *dev)
1171 &firmware_revision) < 0) 1169 &firmware_revision) < 0)
1172 goto fail_tgt_put; 1170 goto fail_tgt_put;
1173 1171
1172 sbp2_clamp_management_orb_timeout(tgt);
1174 sbp2_init_workarounds(tgt, model, firmware_revision); 1173 sbp2_init_workarounds(tgt, model, firmware_revision);
1175 1174
1176 /* 1175 /*
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 712776089b46..e19ca4bb7510 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1741,6 +1741,7 @@ config KS8851
1741config KS8851_MLL 1741config KS8851_MLL
1742 tristate "Micrel KS8851 MLL" 1742 tristate "Micrel KS8851 MLL"
1743 depends on HAS_IOMEM 1743 depends on HAS_IOMEM
1744 select MII
1744 help 1745 help
1745 This platform driver is for Micrel KS8851 Address/data bus 1746 This platform driver is for Micrel KS8851 Address/data bus
1746 multiplexed network chip. 1747 multiplexed network chip.
@@ -2482,6 +2483,8 @@ config S6GMAC
2482 To compile this driver as a module, choose M here. The module 2483 To compile this driver as a module, choose M here. The module
2483 will be called s6gmac. 2484 will be called s6gmac.
2484 2485
2486source "drivers/net/stmmac/Kconfig"
2487
2485endif # NETDEV_1000 2488endif # NETDEV_1000
2486 2489
2487# 2490#
@@ -3230,4 +3233,12 @@ config VIRTIO_NET
3230 This is the virtual network driver for virtio. It can be used with 3233 This is the virtual network driver for virtio. It can be used with
3231 lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. 3234 lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.
3232 3235
3236config VMXNET3
3237 tristate "VMware VMXNET3 ethernet driver"
3238 depends on PCI && X86 && INET
3239 help
3240 This driver supports VMware's vmxnet3 virtual ethernet NIC.
3241 To compile this driver as a module, choose M here: the
3242 module will be called vmxnet3.
3243
3233endif # NETDEVICES 3244endif # NETDEVICES
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index d866b8cf65d1..246323d7f161 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -2,6 +2,10 @@
2# Makefile for the Linux network (ethercard) device drivers. 2# Makefile for the Linux network (ethercard) device drivers.
3# 3#
4 4
5obj-$(CONFIG_MII) += mii.o
6obj-$(CONFIG_MDIO) += mdio.o
7obj-$(CONFIG_PHYLIB) += phy/
8
5obj-$(CONFIG_TI_DAVINCI_EMAC) += davinci_emac.o 9obj-$(CONFIG_TI_DAVINCI_EMAC) += davinci_emac.o
6 10
7obj-$(CONFIG_E1000) += e1000/ 11obj-$(CONFIG_E1000) += e1000/
@@ -26,6 +30,7 @@ obj-$(CONFIG_TEHUTI) += tehuti.o
26obj-$(CONFIG_ENIC) += enic/ 30obj-$(CONFIG_ENIC) += enic/
27obj-$(CONFIG_JME) += jme.o 31obj-$(CONFIG_JME) += jme.o
28obj-$(CONFIG_BE2NET) += benet/ 32obj-$(CONFIG_BE2NET) += benet/
33obj-$(CONFIG_VMXNET3) += vmxnet3/
29 34
30gianfar_driver-objs := gianfar.o \ 35gianfar_driver-objs := gianfar.o \
31 gianfar_ethtool.o \ 36 gianfar_ethtool.o \
@@ -95,15 +100,12 @@ obj-$(CONFIG_VIA_VELOCITY) += via-velocity.o
95obj-$(CONFIG_ADAPTEC_STARFIRE) += starfire.o 100obj-$(CONFIG_ADAPTEC_STARFIRE) += starfire.o
96obj-$(CONFIG_RIONET) += rionet.o 101obj-$(CONFIG_RIONET) += rionet.o
97obj-$(CONFIG_SH_ETH) += sh_eth.o 102obj-$(CONFIG_SH_ETH) += sh_eth.o
103obj-$(CONFIG_STMMAC_ETH) += stmmac/
98 104
99# 105#
100# end link order section 106# end link order section
101# 107#
102 108
103obj-$(CONFIG_MII) += mii.o
104obj-$(CONFIG_MDIO) += mdio.o
105obj-$(CONFIG_PHYLIB) += phy/
106
107obj-$(CONFIG_SUNDANCE) += sundance.o 109obj-$(CONFIG_SUNDANCE) += sundance.o
108obj-$(CONFIG_HAMACHI) += hamachi.o 110obj-$(CONFIG_HAMACHI) += hamachi.o
109obj-$(CONFIG_NET) += Space.o loopback.o 111obj-$(CONFIG_NET) += Space.o loopback.o
diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index 5f0b05c2d71f..d82a9a994753 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -1209,7 +1209,8 @@ static int __devinit ace_init(struct net_device *dev)
1209 memset(ap->info, 0, sizeof(struct ace_info)); 1209 memset(ap->info, 0, sizeof(struct ace_info));
1210 memset(ap->skb, 0, sizeof(struct ace_skb)); 1210 memset(ap->skb, 0, sizeof(struct ace_skb));
1211 1211
1212 if (ace_load_firmware(dev)) 1212 ecode = ace_load_firmware(dev);
1213 if (ecode)
1213 goto init_error; 1214 goto init_error;
1214 1215
1215 ap->fw_running = 0; 1216 ap->fw_running = 0;
diff --git a/drivers/net/can/sja1000/sja1000_of_platform.c b/drivers/net/can/sja1000/sja1000_of_platform.c
index 3373560405ba..9dd076a626a5 100644
--- a/drivers/net/can/sja1000/sja1000_of_platform.c
+++ b/drivers/net/can/sja1000/sja1000_of_platform.c
@@ -213,6 +213,7 @@ static struct of_device_id __devinitdata sja1000_ofp_table[] = {
213 {.compatible = "nxp,sja1000"}, 213 {.compatible = "nxp,sja1000"},
214 {}, 214 {},
215}; 215};
216MODULE_DEVICE_TABLE(of, sja1000_ofp_table);
216 217
217static struct of_platform_driver sja1000_ofp_driver = { 218static struct of_platform_driver sja1000_ofp_driver = {
218 .owner = THIS_MODULE, 219 .owner = THIS_MODULE,
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 65a2d0ba64e2..f72c56dec33c 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -333,6 +333,9 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1";
333#define EMAC_DM646X_MAC_EOI_C0_RXEN (0x01) 333#define EMAC_DM646X_MAC_EOI_C0_RXEN (0x01)
334#define EMAC_DM646X_MAC_EOI_C0_TXEN (0x02) 334#define EMAC_DM646X_MAC_EOI_C0_TXEN (0x02)
335 335
336/* EMAC Stats Clear Mask */
337#define EMAC_STATS_CLR_MASK (0xFFFFFFFF)
338
336/** net_buf_obj: EMAC network bufferdata structure 339/** net_buf_obj: EMAC network bufferdata structure
337 * 340 *
338 * EMAC network buffer data structure 341 * EMAC network buffer data structure
@@ -2548,40 +2551,49 @@ static int emac_dev_stop(struct net_device *ndev)
2548static struct net_device_stats *emac_dev_getnetstats(struct net_device *ndev) 2551static struct net_device_stats *emac_dev_getnetstats(struct net_device *ndev)
2549{ 2552{
2550 struct emac_priv *priv = netdev_priv(ndev); 2553 struct emac_priv *priv = netdev_priv(ndev);
2554 u32 mac_control;
2555 u32 stats_clear_mask;
2551 2556
2552 /* update emac hardware stats and reset the registers*/ 2557 /* update emac hardware stats and reset the registers*/
2553 2558
2559 mac_control = emac_read(EMAC_MACCONTROL);
2560
2561 if (mac_control & EMAC_MACCONTROL_GMIIEN)
2562 stats_clear_mask = EMAC_STATS_CLR_MASK;
2563 else
2564 stats_clear_mask = 0;
2565
2554 priv->net_dev_stats.multicast += emac_read(EMAC_RXMCASTFRAMES); 2566 priv->net_dev_stats.multicast += emac_read(EMAC_RXMCASTFRAMES);
2555 emac_write(EMAC_RXMCASTFRAMES, EMAC_ALL_MULTI_REG_VALUE); 2567 emac_write(EMAC_RXMCASTFRAMES, stats_clear_mask);
2556 2568
2557 priv->net_dev_stats.collisions += (emac_read(EMAC_TXCOLLISION) + 2569 priv->net_dev_stats.collisions += (emac_read(EMAC_TXCOLLISION) +
2558 emac_read(EMAC_TXSINGLECOLL) + 2570 emac_read(EMAC_TXSINGLECOLL) +
2559 emac_read(EMAC_TXMULTICOLL)); 2571 emac_read(EMAC_TXMULTICOLL));
2560 emac_write(EMAC_TXCOLLISION, EMAC_ALL_MULTI_REG_VALUE); 2572 emac_write(EMAC_TXCOLLISION, stats_clear_mask);
2561 emac_write(EMAC_TXSINGLECOLL, EMAC_ALL_MULTI_REG_VALUE); 2573 emac_write(EMAC_TXSINGLECOLL, stats_clear_mask);
2562 emac_write(EMAC_TXMULTICOLL, EMAC_ALL_MULTI_REG_VALUE); 2574 emac_write(EMAC_TXMULTICOLL, stats_clear_mask);
2563 2575
2564 priv->net_dev_stats.rx_length_errors += (emac_read(EMAC_RXOVERSIZED) + 2576 priv->net_dev_stats.rx_length_errors += (emac_read(EMAC_RXOVERSIZED) +
2565 emac_read(EMAC_RXJABBER) + 2577 emac_read(EMAC_RXJABBER) +
2566 emac_read(EMAC_RXUNDERSIZED)); 2578 emac_read(EMAC_RXUNDERSIZED));
2567 emac_write(EMAC_RXOVERSIZED, EMAC_ALL_MULTI_REG_VALUE); 2579 emac_write(EMAC_RXOVERSIZED, stats_clear_mask);
2568 emac_write(EMAC_RXJABBER, EMAC_ALL_MULTI_REG_VALUE); 2580 emac_write(EMAC_RXJABBER, stats_clear_mask);
2569 emac_write(EMAC_RXUNDERSIZED, EMAC_ALL_MULTI_REG_VALUE); 2581 emac_write(EMAC_RXUNDERSIZED, stats_clear_mask);
2570 2582
2571 priv->net_dev_stats.rx_over_errors += (emac_read(EMAC_RXSOFOVERRUNS) + 2583 priv->net_dev_stats.rx_over_errors += (emac_read(EMAC_RXSOFOVERRUNS) +
2572 emac_read(EMAC_RXMOFOVERRUNS)); 2584 emac_read(EMAC_RXMOFOVERRUNS));
2573 emac_write(EMAC_RXSOFOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); 2585 emac_write(EMAC_RXSOFOVERRUNS, stats_clear_mask);
2574 emac_write(EMAC_RXMOFOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); 2586 emac_write(EMAC_RXMOFOVERRUNS, stats_clear_mask);
2575 2587
2576 priv->net_dev_stats.rx_fifo_errors += emac_read(EMAC_RXDMAOVERRUNS); 2588 priv->net_dev_stats.rx_fifo_errors += emac_read(EMAC_RXDMAOVERRUNS);
2577 emac_write(EMAC_RXDMAOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); 2589 emac_write(EMAC_RXDMAOVERRUNS, stats_clear_mask);
2578 2590
2579 priv->net_dev_stats.tx_carrier_errors += 2591 priv->net_dev_stats.tx_carrier_errors +=
2580 emac_read(EMAC_TXCARRIERSENSE); 2592 emac_read(EMAC_TXCARRIERSENSE);
2581 emac_write(EMAC_TXCARRIERSENSE, EMAC_ALL_MULTI_REG_VALUE); 2593 emac_write(EMAC_TXCARRIERSENSE, stats_clear_mask);
2582 2594
2583 priv->net_dev_stats.tx_fifo_errors = emac_read(EMAC_TXUNDERRUN); 2595 priv->net_dev_stats.tx_fifo_errors = emac_read(EMAC_TXUNDERRUN);
2584 emac_write(EMAC_TXUNDERRUN, EMAC_ALL_MULTI_REG_VALUE); 2596 emac_write(EMAC_TXUNDERRUN, stats_clear_mask);
2585 2597
2586 return &priv->net_dev_stats; 2598 return &priv->net_dev_stats;
2587} 2599}
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index 96f5b2a2d2c5..9c950bb5e90c 100644
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -664,7 +664,8 @@ static int ethoc_open(struct net_device *dev)
664 return ret; 664 return ret;
665 665
666 /* calculate the number of TX/RX buffers, maximum 128 supported */ 666 /* calculate the number of TX/RX buffers, maximum 128 supported */
667 num_bd = min(128, (dev->mem_end - dev->mem_start + 1) / ETHOC_BUFSIZ); 667 num_bd = min_t(unsigned int,
668 128, (dev->mem_end - dev->mem_start + 1) / ETHOC_BUFSIZ);
668 priv->num_tx = max(min_tx, num_bd / 4); 669 priv->num_tx = max(min_tx, num_bd / 4);
669 priv->num_rx = num_bd - priv->num_tx; 670 priv->num_rx = num_bd - priv->num_tx;
670 ethoc_write(priv, TX_BD_NUM, priv->num_tx); 671 ethoc_write(priv, TX_BD_NUM, priv->num_tx);
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index c40113f58963..66dace6d324f 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -759,12 +759,6 @@ static void mpc52xx_fec_reset(struct net_device *dev)
759 759
760 mpc52xx_fec_hw_init(dev); 760 mpc52xx_fec_hw_init(dev);
761 761
762 if (priv->phydev) {
763 phy_stop(priv->phydev);
764 phy_write(priv->phydev, MII_BMCR, BMCR_RESET);
765 phy_start(priv->phydev);
766 }
767
768 bcom_fec_rx_reset(priv->rx_dmatsk); 762 bcom_fec_rx_reset(priv->rx_dmatsk);
769 bcom_fec_tx_reset(priv->tx_dmatsk); 763 bcom_fec_tx_reset(priv->tx_dmatsk);
770 764
diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c
index 31e6d62b785d..ee0f3c6d3f88 100644
--- a/drivers/net/fec_mpc52xx_phy.c
+++ b/drivers/net/fec_mpc52xx_phy.c
@@ -155,6 +155,7 @@ static struct of_device_id mpc52xx_fec_mdio_match[] = {
155 { .compatible = "mpc5200b-fec-phy", }, 155 { .compatible = "mpc5200b-fec-phy", },
156 {} 156 {}
157}; 157};
158MODULE_DEVICE_TABLE(of, mpc52xx_fec_mdio_match);
158 159
159struct of_platform_driver mpc52xx_fec_mdio_driver = { 160struct of_platform_driver mpc52xx_fec_mdio_driver = {
160 .name = "mpc5200b-fec-phy", 161 .name = "mpc5200b-fec-phy",
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
index 2bc2d2b20644..ec2f5034457f 100644
--- a/drivers/net/fs_enet/fs_enet-main.c
+++ b/drivers/net/fs_enet/fs_enet-main.c
@@ -1110,6 +1110,7 @@ static struct of_device_id fs_enet_match[] = {
1110#endif 1110#endif
1111 {} 1111 {}
1112}; 1112};
1113MODULE_DEVICE_TABLE(of, fs_enet_match);
1113 1114
1114static struct of_platform_driver fs_enet_driver = { 1115static struct of_platform_driver fs_enet_driver = {
1115 .name = "fs_enet", 1116 .name = "fs_enet",
diff --git a/drivers/net/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c
index 93b481b0e3c7..24ff9f43a62b 100644
--- a/drivers/net/fs_enet/mii-bitbang.c
+++ b/drivers/net/fs_enet/mii-bitbang.c
@@ -221,6 +221,7 @@ static struct of_device_id fs_enet_mdio_bb_match[] = {
221 }, 221 },
222 {}, 222 {},
223}; 223};
224MODULE_DEVICE_TABLE(of, fs_enet_mdio_bb_match);
224 225
225static struct of_platform_driver fs_enet_bb_mdio_driver = { 226static struct of_platform_driver fs_enet_bb_mdio_driver = {
226 .name = "fsl-bb-mdio", 227 .name = "fsl-bb-mdio",
diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c
index a2d69c1cd07e..96eba4280c5c 100644
--- a/drivers/net/fs_enet/mii-fec.c
+++ b/drivers/net/fs_enet/mii-fec.c
@@ -219,6 +219,7 @@ static struct of_device_id fs_enet_mdio_fec_match[] = {
219#endif 219#endif
220 {}, 220 {},
221}; 221};
222MODULE_DEVICE_TABLE(of, fs_enet_mdio_fec_match);
222 223
223static struct of_platform_driver fs_enet_fec_mdio_driver = { 224static struct of_platform_driver fs_enet_fec_mdio_driver = {
224 .name = "fsl-fec-mdio", 225 .name = "fsl-fec-mdio",
diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index d167090248e2..6ac464866972 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -407,6 +407,7 @@ static struct of_device_id fsl_pq_mdio_match[] = {
407 }, 407 },
408 {}, 408 {},
409}; 409};
410MODULE_DEVICE_TABLE(of, fsl_pq_mdio_match);
410 411
411static struct of_platform_driver fsl_pq_mdio_driver = { 412static struct of_platform_driver fsl_pq_mdio_driver = {
412 .name = "fsl-pq_mdio", 413 .name = "fsl-pq_mdio",
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 1e5289ffef6f..5bf31f1509c9 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -2325,9 +2325,6 @@ static irqreturn_t gfar_error(int irq, void *dev_id)
2325 return IRQ_HANDLED; 2325 return IRQ_HANDLED;
2326} 2326}
2327 2327
2328/* work with hotplug and coldplug */
2329MODULE_ALIAS("platform:fsl-gianfar");
2330
2331static struct of_device_id gfar_match[] = 2328static struct of_device_id gfar_match[] =
2332{ 2329{
2333 { 2330 {
@@ -2336,6 +2333,7 @@ static struct of_device_id gfar_match[] =
2336 }, 2333 },
2337 {}, 2334 {},
2338}; 2335};
2336MODULE_DEVICE_TABLE(of, gfar_match);
2339 2337
2340/* Structure for a device driver */ 2338/* Structure for a device driver */
2341static struct of_platform_driver gfar_driver = { 2339static struct of_platform_driver gfar_driver = {
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 89c82c5e63e4..3fae87559791 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -24,6 +24,7 @@
24 * 24 *
25 */ 25 */
26 26
27#include <linux/module.h>
27#include <linux/sched.h> 28#include <linux/sched.h>
28#include <linux/string.h> 29#include <linux/string.h>
29#include <linux/errno.h> 30#include <linux/errno.h>
@@ -443,7 +444,7 @@ static u32 __emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_s
443 ret |= EMAC_MR1_TFS_2K; 444 ret |= EMAC_MR1_TFS_2K;
444 break; 445 break;
445 default: 446 default:
446 printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n", 447 printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n",
447 dev->ndev->name, tx_size); 448 dev->ndev->name, tx_size);
448 } 449 }
449 450
@@ -470,6 +471,9 @@ static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_
470 DBG2(dev, "__emac4_calc_base_mr1" NL); 471 DBG2(dev, "__emac4_calc_base_mr1" NL);
471 472
472 switch(tx_size) { 473 switch(tx_size) {
474 case 16384:
475 ret |= EMAC4_MR1_TFS_16K;
476 break;
473 case 4096: 477 case 4096:
474 ret |= EMAC4_MR1_TFS_4K; 478 ret |= EMAC4_MR1_TFS_4K;
475 break; 479 break;
@@ -477,7 +481,7 @@ static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_
477 ret |= EMAC4_MR1_TFS_2K; 481 ret |= EMAC4_MR1_TFS_2K;
478 break; 482 break;
479 default: 483 default:
480 printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n", 484 printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n",
481 dev->ndev->name, tx_size); 485 dev->ndev->name, tx_size);
482 } 486 }
483 487
@@ -2985,6 +2989,7 @@ static struct of_device_id emac_match[] =
2985 }, 2989 },
2986 {}, 2990 {},
2987}; 2991};
2992MODULE_DEVICE_TABLE(of, emac_match);
2988 2993
2989static struct of_platform_driver emac_driver = { 2994static struct of_platform_driver emac_driver = {
2990 .name = "emac", 2995 .name = "emac",
diff --git a/drivers/net/ibm_newemac/emac.h b/drivers/net/ibm_newemac/emac.h
index 0afc2cf5c52b..d34adf99fc6a 100644
--- a/drivers/net/ibm_newemac/emac.h
+++ b/drivers/net/ibm_newemac/emac.h
@@ -153,6 +153,7 @@ struct emac_regs {
153#define EMAC4_MR1_RFS_16K 0x00280000 153#define EMAC4_MR1_RFS_16K 0x00280000
154#define EMAC4_MR1_TFS_2K 0x00020000 154#define EMAC4_MR1_TFS_2K 0x00020000
155#define EMAC4_MR1_TFS_4K 0x00030000 155#define EMAC4_MR1_TFS_4K 0x00030000
156#define EMAC4_MR1_TFS_16K 0x00050000
156#define EMAC4_MR1_TR 0x00008000 157#define EMAC4_MR1_TR 0x00008000
157#define EMAC4_MR1_MWSW_001 0x00001000 158#define EMAC4_MR1_MWSW_001 0x00001000
158#define EMAC4_MR1_JPSM 0x00000800 159#define EMAC4_MR1_JPSM 0x00000800
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index 38bf7cf2256d..c412e8026173 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -232,8 +232,11 @@ static int sa1100_irda_startup(struct sa1100_irda *si)
232 /* 232 /*
233 * Ensure that the ports for this device are setup correctly. 233 * Ensure that the ports for this device are setup correctly.
234 */ 234 */
235 if (si->pdata->startup) 235 if (si->pdata->startup) {
236 si->pdata->startup(si->dev); 236 ret = si->pdata->startup(si->dev);
237 if (ret)
238 return ret;
239 }
237 240
238 /* 241 /*
239 * Configure PPC for IRDA - we want to drive TXD2 low. 242 * Configure PPC for IRDA - we want to drive TXD2 low.
diff --git a/drivers/net/ixp2000/enp2611.c b/drivers/net/ixp2000/enp2611.c
index b02a981c87a8..34a6cfd17930 100644
--- a/drivers/net/ixp2000/enp2611.c
+++ b/drivers/net/ixp2000/enp2611.c
@@ -119,24 +119,9 @@ static struct ixp2400_msf_parameters enp2611_msf_parameters =
119 } 119 }
120}; 120};
121 121
122struct enp2611_ixpdev_priv
123{
124 struct ixpdev_priv ixpdev_priv;
125 struct net_device_stats stats;
126};
127
128static struct net_device *nds[3]; 122static struct net_device *nds[3];
129static struct timer_list link_check_timer; 123static struct timer_list link_check_timer;
130 124
131static struct net_device_stats *enp2611_get_stats(struct net_device *dev)
132{
133 struct enp2611_ixpdev_priv *ip = netdev_priv(dev);
134
135 pm3386_get_stats(ip->ixpdev_priv.channel, &(ip->stats));
136
137 return &(ip->stats);
138}
139
140/* @@@ Poll the SFP moddef0 line too. */ 125/* @@@ Poll the SFP moddef0 line too. */
141/* @@@ Try to use the pm3386 DOOL interrupt as well. */ 126/* @@@ Try to use the pm3386 DOOL interrupt as well. */
142static void enp2611_check_link_status(unsigned long __dummy) 127static void enp2611_check_link_status(unsigned long __dummy)
@@ -203,14 +188,13 @@ static int __init enp2611_init_module(void)
203 188
204 ports = pm3386_port_count(); 189 ports = pm3386_port_count();
205 for (i = 0; i < ports; i++) { 190 for (i = 0; i < ports; i++) {
206 nds[i] = ixpdev_alloc(i, sizeof(struct enp2611_ixpdev_priv)); 191 nds[i] = ixpdev_alloc(i, sizeof(struct ixpdev_priv));
207 if (nds[i] == NULL) { 192 if (nds[i] == NULL) {
208 while (--i >= 0) 193 while (--i >= 0)
209 free_netdev(nds[i]); 194 free_netdev(nds[i]);
210 return -ENOMEM; 195 return -ENOMEM;
211 } 196 }
212 197
213 nds[i]->get_stats = enp2611_get_stats;
214 pm3386_init_port(i); 198 pm3386_init_port(i);
215 pm3386_get_mac(i, nds[i]->dev_addr); 199 pm3386_get_mac(i, nds[i]->dev_addr);
216 } 200 }
diff --git a/drivers/net/ixp2000/ixpdev.c b/drivers/net/ixp2000/ixpdev.c
index 127243461a51..9aee0cc922c9 100644
--- a/drivers/net/ixp2000/ixpdev.c
+++ b/drivers/net/ixp2000/ixpdev.c
@@ -21,6 +21,7 @@
21#include "ixp2400_tx.ucode" 21#include "ixp2400_tx.ucode"
22#include "ixpdev_priv.h" 22#include "ixpdev_priv.h"
23#include "ixpdev.h" 23#include "ixpdev.h"
24#include "pm3386.h"
24 25
25#define DRV_MODULE_VERSION "0.2" 26#define DRV_MODULE_VERSION "0.2"
26 27
@@ -271,6 +272,15 @@ static int ixpdev_close(struct net_device *dev)
271 return 0; 272 return 0;
272} 273}
273 274
275static struct net_device_stats *ixpdev_get_stats(struct net_device *dev)
276{
277 struct ixpdev_priv *ip = netdev_priv(dev);
278
279 pm3386_get_stats(ip->channel, &(dev->stats));
280
281 return &(dev->stats);
282}
283
274static const struct net_device_ops ixpdev_netdev_ops = { 284static const struct net_device_ops ixpdev_netdev_ops = {
275 .ndo_open = ixpdev_open, 285 .ndo_open = ixpdev_open,
276 .ndo_stop = ixpdev_close, 286 .ndo_stop = ixpdev_close,
@@ -278,6 +288,7 @@ static const struct net_device_ops ixpdev_netdev_ops = {
278 .ndo_change_mtu = eth_change_mtu, 288 .ndo_change_mtu = eth_change_mtu,
279 .ndo_validate_addr = eth_validate_addr, 289 .ndo_validate_addr = eth_validate_addr,
280 .ndo_set_mac_address = eth_mac_addr, 290 .ndo_set_mac_address = eth_mac_addr,
291 .ndo_get_stats = ixpdev_get_stats,
281#ifdef CONFIG_NET_POLL_CONTROLLER 292#ifdef CONFIG_NET_POLL_CONTROLLER
282 .ndo_poll_controller = ixpdev_poll_controller, 293 .ndo_poll_controller = ixpdev_poll_controller,
283#endif 294#endif
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 9b9eab107704..7fc15e9e8adb 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -595,7 +595,8 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
595 void __iomem *mem_ptr2 = NULL; 595 void __iomem *mem_ptr2 = NULL;
596 void __iomem *db_ptr = NULL; 596 void __iomem *db_ptr = NULL;
597 597
598 unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0; 598 resource_size_t mem_base, db_base;
599 unsigned long mem_len, db_len = 0, pci_len0 = 0;
599 600
600 struct pci_dev *pdev = adapter->pdev; 601 struct pci_dev *pdev = adapter->pdev;
601 int pci_func = adapter->ahw.pci_func; 602 int pci_func = adapter->ahw.pci_func;
diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c
index ee8ad3e180dd..b58965a2b3ae 100644
--- a/drivers/net/pcmcia/3c574_cs.c
+++ b/drivers/net/pcmcia/3c574_cs.c
@@ -251,6 +251,7 @@ static void el3_tx_timeout(struct net_device *dev);
251static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 251static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
252static const struct ethtool_ops netdev_ethtool_ops; 252static const struct ethtool_ops netdev_ethtool_ops;
253static void set_rx_mode(struct net_device *dev); 253static void set_rx_mode(struct net_device *dev);
254static void set_multicast_list(struct net_device *dev);
254 255
255static void tc574_detach(struct pcmcia_device *p_dev); 256static void tc574_detach(struct pcmcia_device *p_dev);
256 257
@@ -266,7 +267,7 @@ static const struct net_device_ops el3_netdev_ops = {
266 .ndo_tx_timeout = el3_tx_timeout, 267 .ndo_tx_timeout = el3_tx_timeout,
267 .ndo_get_stats = el3_get_stats, 268 .ndo_get_stats = el3_get_stats,
268 .ndo_do_ioctl = el3_ioctl, 269 .ndo_do_ioctl = el3_ioctl,
269 .ndo_set_multicast_list = set_rx_mode, 270 .ndo_set_multicast_list = set_multicast_list,
270 .ndo_change_mtu = eth_change_mtu, 271 .ndo_change_mtu = eth_change_mtu,
271 .ndo_set_mac_address = eth_mac_addr, 272 .ndo_set_mac_address = eth_mac_addr,
272 .ndo_validate_addr = eth_validate_addr, 273 .ndo_validate_addr = eth_validate_addr,
@@ -1161,6 +1162,16 @@ static void set_rx_mode(struct net_device *dev)
1161 outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD); 1162 outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD);
1162} 1163}
1163 1164
1165static void set_multicast_list(struct net_device *dev)
1166{
1167 struct el3_private *lp = netdev_priv(dev);
1168 unsigned long flags;
1169
1170 spin_lock_irqsave(&lp->window_lock, flags);
1171 set_rx_mode(dev);
1172 spin_unlock_irqrestore(&lp->window_lock, flags);
1173}
1174
1164static int el3_close(struct net_device *dev) 1175static int el3_close(struct net_device *dev)
1165{ 1176{
1166 unsigned int ioaddr = dev->base_addr; 1177 unsigned int ioaddr = dev->base_addr;
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 250e10f2c35b..8659d341e769 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -238,6 +238,7 @@ static struct of_device_id mdio_ofgpio_match[] = {
238 }, 238 },
239 {}, 239 {},
240}; 240};
241MODULE_DEVICE_TABLE(of, mdio_ofgpio_match);
241 242
242static struct of_platform_driver mdio_ofgpio_driver = { 243static struct of_platform_driver mdio_ofgpio_driver = {
243 .name = "mdio-gpio", 244 .name = "mdio-gpio",
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 3ec6e85587a2..e7285f01bd04 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -803,6 +803,12 @@ enum {
803 MB_CMD_SET_PORT_CFG = 0x00000122, 803 MB_CMD_SET_PORT_CFG = 0x00000122,
804 MB_CMD_GET_PORT_CFG = 0x00000123, 804 MB_CMD_GET_PORT_CFG = 0x00000123,
805 MB_CMD_GET_LINK_STS = 0x00000124, 805 MB_CMD_GET_LINK_STS = 0x00000124,
806 MB_CMD_SET_MGMNT_TFK_CTL = 0x00000160, /* Set Mgmnt Traffic Control */
807 MB_SET_MPI_TFK_STOP = (1 << 0),
808 MB_SET_MPI_TFK_RESUME = (1 << 1),
809 MB_CMD_GET_MGMNT_TFK_CTL = 0x00000161, /* Get Mgmnt Traffic Control */
810 MB_GET_MPI_TFK_STOPPED = (1 << 0),
811 MB_GET_MPI_TFK_FIFO_EMPTY = (1 << 1),
806 812
807 /* Mailbox Command Status. */ 813 /* Mailbox Command Status. */
808 MB_CMD_STS_GOOD = 0x00004000, /* Success. */ 814 MB_CMD_STS_GOOD = 0x00004000, /* Success. */
@@ -1168,7 +1174,7 @@ struct ricb {
1168#define RSS_RI6 0x40 1174#define RSS_RI6 0x40
1169#define RSS_RT6 0x80 1175#define RSS_RT6 0x80
1170 __le16 mask; 1176 __le16 mask;
1171 __le32 hash_cq_id[256]; 1177 u8 hash_cq_id[1024];
1172 __le32 ipv6_hash_key[10]; 1178 __le32 ipv6_hash_key[10];
1173 __le32 ipv4_hash_key[4]; 1179 __le32 ipv4_hash_key[4];
1174} __attribute((packed)); 1180} __attribute((packed));
@@ -1606,6 +1612,8 @@ int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data);
1606int ql_mb_about_fw(struct ql_adapter *qdev); 1612int ql_mb_about_fw(struct ql_adapter *qdev);
1607void ql_link_on(struct ql_adapter *qdev); 1613void ql_link_on(struct ql_adapter *qdev);
1608void ql_link_off(struct ql_adapter *qdev); 1614void ql_link_off(struct ql_adapter *qdev);
1615int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control);
1616int ql_wait_fifo_empty(struct ql_adapter *qdev);
1609 1617
1610#if 1 1618#if 1
1611#define QL_ALL_DUMP 1619#define QL_ALL_DUMP
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 61680715cde0..48b45df85ec9 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -320,6 +320,37 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type,
320 320
321 switch (type) { 321 switch (type) {
322 case MAC_ADDR_TYPE_MULTI_MAC: 322 case MAC_ADDR_TYPE_MULTI_MAC:
323 {
324 u32 upper = (addr[0] << 8) | addr[1];
325 u32 lower = (addr[2] << 24) | (addr[3] << 16) |
326 (addr[4] << 8) | (addr[5]);
327
328 status =
329 ql_wait_reg_rdy(qdev,
330 MAC_ADDR_IDX, MAC_ADDR_MW, 0);
331 if (status)
332 goto exit;
333 ql_write32(qdev, MAC_ADDR_IDX, (offset++) |
334 (index << MAC_ADDR_IDX_SHIFT) |
335 type | MAC_ADDR_E);
336 ql_write32(qdev, MAC_ADDR_DATA, lower);
337 status =
338 ql_wait_reg_rdy(qdev,
339 MAC_ADDR_IDX, MAC_ADDR_MW, 0);
340 if (status)
341 goto exit;
342 ql_write32(qdev, MAC_ADDR_IDX, (offset++) |
343 (index << MAC_ADDR_IDX_SHIFT) |
344 type | MAC_ADDR_E);
345
346 ql_write32(qdev, MAC_ADDR_DATA, upper);
347 status =
348 ql_wait_reg_rdy(qdev,
349 MAC_ADDR_IDX, MAC_ADDR_MW, 0);
350 if (status)
351 goto exit;
352 break;
353 }
323 case MAC_ADDR_TYPE_CAM_MAC: 354 case MAC_ADDR_TYPE_CAM_MAC:
324 { 355 {
325 u32 cam_output; 356 u32 cam_output;
@@ -365,16 +396,14 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type,
365 and possibly the function id. Right now we hardcode 396 and possibly the function id. Right now we hardcode
366 the route field to NIC core. 397 the route field to NIC core.
367 */ 398 */
368 if (type == MAC_ADDR_TYPE_CAM_MAC) { 399 cam_output = (CAM_OUT_ROUTE_NIC |
369 cam_output = (CAM_OUT_ROUTE_NIC | 400 (qdev->
370 (qdev-> 401 func << CAM_OUT_FUNC_SHIFT) |
371 func << CAM_OUT_FUNC_SHIFT) | 402 (0 << CAM_OUT_CQ_ID_SHIFT));
372 (0 << CAM_OUT_CQ_ID_SHIFT)); 403 if (qdev->vlgrp)
373 if (qdev->vlgrp) 404 cam_output |= CAM_OUT_RV;
374 cam_output |= CAM_OUT_RV; 405 /* route to NIC core */
375 /* route to NIC core */ 406 ql_write32(qdev, MAC_ADDR_DATA, cam_output);
376 ql_write32(qdev, MAC_ADDR_DATA, cam_output);
377 }
378 break; 407 break;
379 } 408 }
380 case MAC_ADDR_TYPE_VLAN: 409 case MAC_ADDR_TYPE_VLAN:
@@ -546,14 +575,14 @@ static int ql_set_routing_reg(struct ql_adapter *qdev, u32 index, u32 mask,
546 } 575 }
547 case RT_IDX_MCAST: /* Pass up All Multicast frames. */ 576 case RT_IDX_MCAST: /* Pass up All Multicast frames. */
548 { 577 {
549 value = RT_IDX_DST_CAM_Q | /* dest */ 578 value = RT_IDX_DST_DFLT_Q | /* dest */
550 RT_IDX_TYPE_NICQ | /* type */ 579 RT_IDX_TYPE_NICQ | /* type */
551 (RT_IDX_ALLMULTI_SLOT << RT_IDX_IDX_SHIFT);/* index */ 580 (RT_IDX_ALLMULTI_SLOT << RT_IDX_IDX_SHIFT);/* index */
552 break; 581 break;
553 } 582 }
554 case RT_IDX_MCAST_MATCH: /* Pass up matched Multicast frames. */ 583 case RT_IDX_MCAST_MATCH: /* Pass up matched Multicast frames. */
555 { 584 {
556 value = RT_IDX_DST_CAM_Q | /* dest */ 585 value = RT_IDX_DST_DFLT_Q | /* dest */
557 RT_IDX_TYPE_NICQ | /* type */ 586 RT_IDX_TYPE_NICQ | /* type */
558 (RT_IDX_MCAST_MATCH_SLOT << RT_IDX_IDX_SHIFT);/* index */ 587 (RT_IDX_MCAST_MATCH_SLOT << RT_IDX_IDX_SHIFT);/* index */
559 break; 588 break;
@@ -3077,6 +3106,12 @@ err_irq:
3077 3106
3078static int ql_start_rss(struct ql_adapter *qdev) 3107static int ql_start_rss(struct ql_adapter *qdev)
3079{ 3108{
3109 u8 init_hash_seed[] = {0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2,
3110 0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f,
3111 0xb0, 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b,
3112 0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80,
3113 0x30, 0xf2, 0x0c, 0x6a, 0x42, 0xb7, 0x3b,
3114 0xbe, 0xac, 0x01, 0xfa};
3080 struct ricb *ricb = &qdev->ricb; 3115 struct ricb *ricb = &qdev->ricb;
3081 int status = 0; 3116 int status = 0;
3082 int i; 3117 int i;
@@ -3086,21 +3121,17 @@ static int ql_start_rss(struct ql_adapter *qdev)
3086 3121
3087 ricb->base_cq = RSS_L4K; 3122 ricb->base_cq = RSS_L4K;
3088 ricb->flags = 3123 ricb->flags =
3089 (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RI4 | RSS_RI6 | RSS_RT4 | 3124 (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RT4 | RSS_RT6);
3090 RSS_RT6); 3125 ricb->mask = cpu_to_le16((u16)(0x3ff));
3091 ricb->mask = cpu_to_le16(qdev->rss_ring_count - 1);
3092 3126
3093 /* 3127 /*
3094 * Fill out the Indirection Table. 3128 * Fill out the Indirection Table.
3095 */ 3129 */
3096 for (i = 0; i < 256; i++) 3130 for (i = 0; i < 1024; i++)
3097 hash_id[i] = i & (qdev->rss_ring_count - 1); 3131 hash_id[i] = (i & (qdev->rss_ring_count - 1));
3098 3132
3099 /* 3133 memcpy((void *)&ricb->ipv6_hash_key[0], init_hash_seed, 40);
3100 * Random values for the IPv6 and IPv4 Hash Keys. 3134 memcpy((void *)&ricb->ipv4_hash_key[0], init_hash_seed, 16);
3101 */
3102 get_random_bytes((void *)&ricb->ipv6_hash_key[0], 40);
3103 get_random_bytes((void *)&ricb->ipv4_hash_key[0], 16);
3104 3135
3105 QPRINTK(qdev, IFUP, DEBUG, "Initializing RSS.\n"); 3136 QPRINTK(qdev, IFUP, DEBUG, "Initializing RSS.\n");
3106 3137
@@ -3239,6 +3270,13 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
3239 ql_write32(qdev, SPLT_HDR, SPLT_HDR_EP | 3270 ql_write32(qdev, SPLT_HDR, SPLT_HDR_EP |
3240 min(SMALL_BUFFER_SIZE, MAX_SPLIT_SIZE)); 3271 min(SMALL_BUFFER_SIZE, MAX_SPLIT_SIZE));
3241 3272
3273 /* Set RX packet routing to use port/pci function on which the
3274 * packet arrived on in addition to usual frame routing.
3275 * This is helpful on bonding where both interfaces can have
3276 * the same MAC address.
3277 */
3278 ql_write32(qdev, RST_FO, RST_FO_RR_MASK | RST_FO_RR_RCV_FUNC_CQ);
3279
3242 /* Start up the rx queues. */ 3280 /* Start up the rx queues. */
3243 for (i = 0; i < qdev->rx_ring_count; i++) { 3281 for (i = 0; i < qdev->rx_ring_count; i++) {
3244 status = ql_start_rx_ring(qdev, &qdev->rx_ring[i]); 3282 status = ql_start_rx_ring(qdev, &qdev->rx_ring[i]);
@@ -3311,6 +3349,13 @@ static int ql_adapter_reset(struct ql_adapter *qdev)
3311 3349
3312 end_jiffies = jiffies + 3350 end_jiffies = jiffies +
3313 max((unsigned long)1, usecs_to_jiffies(30)); 3351 max((unsigned long)1, usecs_to_jiffies(30));
3352
3353 /* Stop management traffic. */
3354 ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_STOP);
3355
3356 /* Wait for the NIC and MGMNT FIFOs to empty. */
3357 ql_wait_fifo_empty(qdev);
3358
3314 ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR); 3359 ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR);
3315 3360
3316 do { 3361 do {
@@ -3326,6 +3371,8 @@ static int ql_adapter_reset(struct ql_adapter *qdev)
3326 status = -ETIMEDOUT; 3371 status = -ETIMEDOUT;
3327 } 3372 }
3328 3373
3374 /* Resume management traffic. */
3375 ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_RESUME);
3329 return status; 3376 return status;
3330} 3377}
3331 3378
@@ -3704,6 +3751,12 @@ static void ql_asic_reset_work(struct work_struct *work)
3704 status = ql_adapter_up(qdev); 3751 status = ql_adapter_up(qdev);
3705 if (status) 3752 if (status)
3706 goto error; 3753 goto error;
3754
3755 /* Restore rx mode. */
3756 clear_bit(QL_ALLMULTI, &qdev->flags);
3757 clear_bit(QL_PROMISCUOUS, &qdev->flags);
3758 qlge_set_multicast_list(qdev->ndev);
3759
3707 rtnl_unlock(); 3760 rtnl_unlock();
3708 return; 3761 return;
3709error: 3762error:
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index c2e43073047e..99e58e3f8e22 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -768,6 +768,95 @@ static int ql_idc_wait(struct ql_adapter *qdev)
768 return status; 768 return status;
769} 769}
770 770
771int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control)
772{
773 struct mbox_params mbc;
774 struct mbox_params *mbcp = &mbc;
775 int status;
776
777 memset(mbcp, 0, sizeof(struct mbox_params));
778
779 mbcp->in_count = 1;
780 mbcp->out_count = 2;
781
782 mbcp->mbox_in[0] = MB_CMD_SET_MGMNT_TFK_CTL;
783 mbcp->mbox_in[1] = control;
784
785 status = ql_mailbox_command(qdev, mbcp);
786 if (status)
787 return status;
788
789 if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD)
790 return status;
791
792 if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) {
793 QPRINTK(qdev, DRV, ERR,
794 "Command not supported by firmware.\n");
795 status = -EINVAL;
796 } else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) {
797 /* This indicates that the firmware is
798 * already in the state we are trying to
799 * change it to.
800 */
801 QPRINTK(qdev, DRV, ERR,
802 "Command parameters make no change.\n");
803 }
804 return status;
805}
806
807/* Returns a negative error code or the mailbox command status. */
808static int ql_mb_get_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 *control)
809{
810 struct mbox_params mbc;
811 struct mbox_params *mbcp = &mbc;
812 int status;
813
814 memset(mbcp, 0, sizeof(struct mbox_params));
815 *control = 0;
816
817 mbcp->in_count = 1;
818 mbcp->out_count = 1;
819
820 mbcp->mbox_in[0] = MB_CMD_GET_MGMNT_TFK_CTL;
821
822 status = ql_mailbox_command(qdev, mbcp);
823 if (status)
824 return status;
825
826 if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD) {
827 *control = mbcp->mbox_in[1];
828 return status;
829 }
830
831 if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) {
832 QPRINTK(qdev, DRV, ERR,
833 "Command not supported by firmware.\n");
834 status = -EINVAL;
835 } else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) {
836 QPRINTK(qdev, DRV, ERR,
837 "Failed to get MPI traffic control.\n");
838 status = -EIO;
839 }
840 return status;
841}
842
843int ql_wait_fifo_empty(struct ql_adapter *qdev)
844{
845 int count = 5;
846 u32 mgmnt_fifo_empty;
847 u32 nic_fifo_empty;
848
849 do {
850 nic_fifo_empty = ql_read32(qdev, STS) & STS_NFE;
851 ql_mb_get_mgmnt_traffic_ctl(qdev, &mgmnt_fifo_empty);
852 mgmnt_fifo_empty &= MB_GET_MPI_TFK_FIFO_EMPTY;
853 if (nic_fifo_empty && mgmnt_fifo_empty)
854 return 0;
855 msleep(100);
856 } while (count-- > 0);
857 return -ETIMEDOUT;
858}
859
771/* API called in work thread context to set new TX/RX 860/* API called in work thread context to set new TX/RX
772 * maximum frame size values to match MTU. 861 * maximum frame size values to match MTU.
773 */ 862 */
@@ -876,6 +965,8 @@ void ql_mpi_work(struct work_struct *work)
876 int err = 0; 965 int err = 0;
877 966
878 rtnl_lock(); 967 rtnl_lock();
968 /* Begin polled mode for MPI */
969 ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
879 970
880 while (ql_read32(qdev, STS) & STS_PI) { 971 while (ql_read32(qdev, STS) & STS_PI) {
881 memset(mbcp, 0, sizeof(struct mbox_params)); 972 memset(mbcp, 0, sizeof(struct mbox_params));
@@ -888,6 +979,8 @@ void ql_mpi_work(struct work_struct *work)
888 break; 979 break;
889 } 980 }
890 981
982 /* End polled mode for MPI */
983 ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI);
891 rtnl_unlock(); 984 rtnl_unlock();
892 ql_enable_completion_interrupt(qdev, 0); 985 ql_enable_completion_interrupt(qdev, 0);
893} 986}
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 50c6a3cfe439..83c47d95c3aa 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -115,7 +115,9 @@ enum mac_version {
115 RTL_GIGA_MAC_VER_22 = 0x16, // 8168C 115 RTL_GIGA_MAC_VER_22 = 0x16, // 8168C
116 RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP 116 RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP
117 RTL_GIGA_MAC_VER_24 = 0x18, // 8168CP 117 RTL_GIGA_MAC_VER_24 = 0x18, // 8168CP
118 RTL_GIGA_MAC_VER_25 = 0x19 // 8168D 118 RTL_GIGA_MAC_VER_25 = 0x19, // 8168D
119 RTL_GIGA_MAC_VER_26 = 0x1a, // 8168D
120 RTL_GIGA_MAC_VER_27 = 0x1b // 8168DP
119}; 121};
120 122
121#define _R(NAME,MAC,MASK) \ 123#define _R(NAME,MAC,MASK) \
@@ -150,7 +152,9 @@ static const struct {
150 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E 152 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E
151 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E 153 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E
152 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880), // PCI-E 154 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880), // PCI-E
153 _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880) // PCI-E 155 _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880), // PCI-E
156 _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_26, 0xff7e1880), // PCI-E
157 _R("RTL8168dp/8111dp", RTL_GIGA_MAC_VER_27, 0xff7e1880) // PCI-E
154}; 158};
155#undef _R 159#undef _R
156 160
@@ -253,6 +257,13 @@ enum rtl8168_8101_registers {
253 DBG_REG = 0xd1, 257 DBG_REG = 0xd1,
254#define FIX_NAK_1 (1 << 4) 258#define FIX_NAK_1 (1 << 4)
255#define FIX_NAK_2 (1 << 3) 259#define FIX_NAK_2 (1 << 3)
260 EFUSEAR = 0xdc,
261#define EFUSEAR_FLAG 0x80000000
262#define EFUSEAR_WRITE_CMD 0x80000000
263#define EFUSEAR_READ_CMD 0x00000000
264#define EFUSEAR_REG_MASK 0x03ff
265#define EFUSEAR_REG_SHIFT 8
266#define EFUSEAR_DATA_MASK 0xff
256}; 267};
257 268
258enum rtl_register_content { 269enum rtl_register_content {
@@ -568,6 +579,14 @@ static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value)
568 mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value); 579 mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value);
569} 580}
570 581
582static void mdio_plus_minus(void __iomem *ioaddr, int reg_addr, int p, int m)
583{
584 int val;
585
586 val = mdio_read(ioaddr, reg_addr);
587 mdio_write(ioaddr, reg_addr, (val | p) & ~m);
588}
589
571static void rtl_mdio_write(struct net_device *dev, int phy_id, int location, 590static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
572 int val) 591 int val)
573{ 592{
@@ -651,6 +670,24 @@ static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
651 return value; 670 return value;
652} 671}
653 672
673static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
674{
675 u8 value = 0xff;
676 unsigned int i;
677
678 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
679
680 for (i = 0; i < 300; i++) {
681 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
682 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
683 break;
684 }
685 udelay(100);
686 }
687
688 return value;
689}
690
654static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr) 691static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
655{ 692{
656 RTL_W16(IntrMask, 0x0000); 693 RTL_W16(IntrMask, 0x0000);
@@ -1243,7 +1280,10 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1243 int mac_version; 1280 int mac_version;
1244 } mac_info[] = { 1281 } mac_info[] = {
1245 /* 8168D family. */ 1282 /* 8168D family. */
1246 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_25 }, 1283 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1284 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1285 { 0x7c800000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1286 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1247 1287
1248 /* 8168C family. */ 1288 /* 8168C family. */
1249 { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 }, 1289 { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 },
@@ -1648,74 +1688,903 @@ static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr)
1648 rtl8168c_3_hw_phy_config(ioaddr); 1688 rtl8168c_3_hw_phy_config(ioaddr);
1649} 1689}
1650 1690
1651static void rtl8168d_hw_phy_config(void __iomem *ioaddr) 1691static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
1652{ 1692{
1653 struct phy_reg phy_reg_init_0[] = { 1693 static struct phy_reg phy_reg_init_0[] = {
1654 { 0x1f, 0x0001 }, 1694 { 0x1f, 0x0001 },
1655 { 0x09, 0x2770 }, 1695 { 0x06, 0x4064 },
1656 { 0x08, 0x04d0 }, 1696 { 0x07, 0x2863 },
1657 { 0x0b, 0xad15 }, 1697 { 0x08, 0x059c },
1658 { 0x0c, 0x5bf0 }, 1698 { 0x09, 0x26b4 },
1659 { 0x1c, 0xf101 }, 1699 { 0x0a, 0x6a19 },
1700 { 0x0b, 0xdcc8 },
1701 { 0x10, 0xf06d },
1702 { 0x14, 0x7f68 },
1703 { 0x18, 0x7fd9 },
1704 { 0x1c, 0xf0ff },
1705 { 0x1d, 0x3d9c },
1660 { 0x1f, 0x0003 }, 1706 { 0x1f, 0x0003 },
1661 { 0x14, 0x94d7 }, 1707 { 0x12, 0xf49f },
1662 { 0x12, 0xf4d6 }, 1708 { 0x13, 0x070b },
1663 { 0x09, 0xca0f }, 1709 { 0x1a, 0x05ad },
1664 { 0x1f, 0x0002 }, 1710 { 0x14, 0x94c0 }
1665 { 0x0b, 0x0b10 }, 1711 };
1666 { 0x0c, 0xd1f7 }, 1712 static struct phy_reg phy_reg_init_1[] = {
1667 { 0x1f, 0x0002 },
1668 { 0x06, 0x5461 },
1669 { 0x1f, 0x0002 }, 1713 { 0x1f, 0x0002 },
1670 { 0x05, 0x6662 }, 1714 { 0x06, 0x5561 },
1715 { 0x1f, 0x0005 },
1716 { 0x05, 0x8332 },
1717 { 0x06, 0x5561 }
1718 };
1719 static struct phy_reg phy_reg_init_2[] = {
1720 { 0x1f, 0x0005 },
1721 { 0x05, 0xffc2 },
1722 { 0x1f, 0x0005 },
1723 { 0x05, 0x8000 },
1724 { 0x06, 0xf8f9 },
1725 { 0x06, 0xfaef },
1726 { 0x06, 0x59ee },
1727 { 0x06, 0xf8ea },
1728 { 0x06, 0x00ee },
1729 { 0x06, 0xf8eb },
1730 { 0x06, 0x00e0 },
1731 { 0x06, 0xf87c },
1732 { 0x06, 0xe1f8 },
1733 { 0x06, 0x7d59 },
1734 { 0x06, 0x0fef },
1735 { 0x06, 0x0139 },
1736 { 0x06, 0x029e },
1737 { 0x06, 0x06ef },
1738 { 0x06, 0x1039 },
1739 { 0x06, 0x089f },
1740 { 0x06, 0x2aee },
1741 { 0x06, 0xf8ea },
1742 { 0x06, 0x00ee },
1743 { 0x06, 0xf8eb },
1744 { 0x06, 0x01e0 },
1745 { 0x06, 0xf87c },
1746 { 0x06, 0xe1f8 },
1747 { 0x06, 0x7d58 },
1748 { 0x06, 0x409e },
1749 { 0x06, 0x0f39 },
1750 { 0x06, 0x46aa },
1751 { 0x06, 0x0bbf },
1752 { 0x06, 0x8290 },
1753 { 0x06, 0xd682 },
1754 { 0x06, 0x9802 },
1755 { 0x06, 0x014f },
1756 { 0x06, 0xae09 },
1757 { 0x06, 0xbf82 },
1758 { 0x06, 0x98d6 },
1759 { 0x06, 0x82a0 },
1760 { 0x06, 0x0201 },
1761 { 0x06, 0x4fef },
1762 { 0x06, 0x95fe },
1763 { 0x06, 0xfdfc },
1764 { 0x06, 0x05f8 },
1765 { 0x06, 0xf9fa },
1766 { 0x06, 0xeef8 },
1767 { 0x06, 0xea00 },
1768 { 0x06, 0xeef8 },
1769 { 0x06, 0xeb00 },
1770 { 0x06, 0xe2f8 },
1771 { 0x06, 0x7ce3 },
1772 { 0x06, 0xf87d },
1773 { 0x06, 0xa511 },
1774 { 0x06, 0x1112 },
1775 { 0x06, 0xd240 },
1776 { 0x06, 0xd644 },
1777 { 0x06, 0x4402 },
1778 { 0x06, 0x8217 },
1779 { 0x06, 0xd2a0 },
1780 { 0x06, 0xd6aa },
1781 { 0x06, 0xaa02 },
1782 { 0x06, 0x8217 },
1783 { 0x06, 0xae0f },
1784 { 0x06, 0xa544 },
1785 { 0x06, 0x4402 },
1786 { 0x06, 0xae4d },
1787 { 0x06, 0xa5aa },
1788 { 0x06, 0xaa02 },
1789 { 0x06, 0xae47 },
1790 { 0x06, 0xaf82 },
1791 { 0x06, 0x13ee },
1792 { 0x06, 0x834e },
1793 { 0x06, 0x00ee },
1794 { 0x06, 0x834d },
1795 { 0x06, 0x0fee },
1796 { 0x06, 0x834c },
1797 { 0x06, 0x0fee },
1798 { 0x06, 0x834f },
1799 { 0x06, 0x00ee },
1800 { 0x06, 0x8351 },
1801 { 0x06, 0x00ee },
1802 { 0x06, 0x834a },
1803 { 0x06, 0xffee },
1804 { 0x06, 0x834b },
1805 { 0x06, 0xffe0 },
1806 { 0x06, 0x8330 },
1807 { 0x06, 0xe183 },
1808 { 0x06, 0x3158 },
1809 { 0x06, 0xfee4 },
1810 { 0x06, 0xf88a },
1811 { 0x06, 0xe5f8 },
1812 { 0x06, 0x8be0 },
1813 { 0x06, 0x8332 },
1814 { 0x06, 0xe183 },
1815 { 0x06, 0x3359 },
1816 { 0x06, 0x0fe2 },
1817 { 0x06, 0x834d },
1818 { 0x06, 0x0c24 },
1819 { 0x06, 0x5af0 },
1820 { 0x06, 0x1e12 },
1821 { 0x06, 0xe4f8 },
1822 { 0x06, 0x8ce5 },
1823 { 0x06, 0xf88d },
1824 { 0x06, 0xaf82 },
1825 { 0x06, 0x13e0 },
1826 { 0x06, 0x834f },
1827 { 0x06, 0x10e4 },
1828 { 0x06, 0x834f },
1829 { 0x06, 0xe083 },
1830 { 0x06, 0x4e78 },
1831 { 0x06, 0x009f },
1832 { 0x06, 0x0ae0 },
1833 { 0x06, 0x834f },
1834 { 0x06, 0xa010 },
1835 { 0x06, 0xa5ee },
1836 { 0x06, 0x834e },
1837 { 0x06, 0x01e0 },
1838 { 0x06, 0x834e },
1839 { 0x06, 0x7805 },
1840 { 0x06, 0x9e9a },
1841 { 0x06, 0xe083 },
1842 { 0x06, 0x4e78 },
1843 { 0x06, 0x049e },
1844 { 0x06, 0x10e0 },
1845 { 0x06, 0x834e },
1846 { 0x06, 0x7803 },
1847 { 0x06, 0x9e0f },
1848 { 0x06, 0xe083 },
1849 { 0x06, 0x4e78 },
1850 { 0x06, 0x019e },
1851 { 0x06, 0x05ae },
1852 { 0x06, 0x0caf },
1853 { 0x06, 0x81f8 },
1854 { 0x06, 0xaf81 },
1855 { 0x06, 0xa3af },
1856 { 0x06, 0x81dc },
1857 { 0x06, 0xaf82 },
1858 { 0x06, 0x13ee },
1859 { 0x06, 0x8348 },
1860 { 0x06, 0x00ee },
1861 { 0x06, 0x8349 },
1862 { 0x06, 0x00e0 },
1863 { 0x06, 0x8351 },
1864 { 0x06, 0x10e4 },
1865 { 0x06, 0x8351 },
1866 { 0x06, 0x5801 },
1867 { 0x06, 0x9fea },
1868 { 0x06, 0xd000 },
1869 { 0x06, 0xd180 },
1870 { 0x06, 0x1f66 },
1871 { 0x06, 0xe2f8 },
1872 { 0x06, 0xeae3 },
1873 { 0x06, 0xf8eb },
1874 { 0x06, 0x5af8 },
1875 { 0x06, 0x1e20 },
1876 { 0x06, 0xe6f8 },
1877 { 0x06, 0xeae5 },
1878 { 0x06, 0xf8eb },
1879 { 0x06, 0xd302 },
1880 { 0x06, 0xb3fe },
1881 { 0x06, 0xe2f8 },
1882 { 0x06, 0x7cef },
1883 { 0x06, 0x325b },
1884 { 0x06, 0x80e3 },
1885 { 0x06, 0xf87d },
1886 { 0x06, 0x9e03 },
1887 { 0x06, 0x7dff },
1888 { 0x06, 0xff0d },
1889 { 0x06, 0x581c },
1890 { 0x06, 0x551a },
1891 { 0x06, 0x6511 },
1892 { 0x06, 0xa190 },
1893 { 0x06, 0xd3e2 },
1894 { 0x06, 0x8348 },
1895 { 0x06, 0xe383 },
1896 { 0x06, 0x491b },
1897 { 0x06, 0x56ab },
1898 { 0x06, 0x08ef },
1899 { 0x06, 0x56e6 },
1900 { 0x06, 0x8348 },
1901 { 0x06, 0xe783 },
1902 { 0x06, 0x4910 },
1903 { 0x06, 0xd180 },
1904 { 0x06, 0x1f66 },
1905 { 0x06, 0xa004 },
1906 { 0x06, 0xb9e2 },
1907 { 0x06, 0x8348 },
1908 { 0x06, 0xe383 },
1909 { 0x06, 0x49ef },
1910 { 0x06, 0x65e2 },
1911 { 0x06, 0x834a },
1912 { 0x06, 0xe383 },
1913 { 0x06, 0x4b1b },
1914 { 0x06, 0x56aa },
1915 { 0x06, 0x0eef },
1916 { 0x06, 0x56e6 },
1917 { 0x06, 0x834a },
1918 { 0x06, 0xe783 },
1919 { 0x06, 0x4be2 },
1920 { 0x06, 0x834d },
1921 { 0x06, 0xe683 },
1922 { 0x06, 0x4ce0 },
1923 { 0x06, 0x834d },
1924 { 0x06, 0xa000 },
1925 { 0x06, 0x0caf },
1926 { 0x06, 0x81dc },
1927 { 0x06, 0xe083 },
1928 { 0x06, 0x4d10 },
1929 { 0x06, 0xe483 },
1930 { 0x06, 0x4dae },
1931 { 0x06, 0x0480 },
1932 { 0x06, 0xe483 },
1933 { 0x06, 0x4de0 },
1934 { 0x06, 0x834e },
1935 { 0x06, 0x7803 },
1936 { 0x06, 0x9e0b },
1937 { 0x06, 0xe083 },
1938 { 0x06, 0x4e78 },
1939 { 0x06, 0x049e },
1940 { 0x06, 0x04ee },
1941 { 0x06, 0x834e },
1942 { 0x06, 0x02e0 },
1943 { 0x06, 0x8332 },
1944 { 0x06, 0xe183 },
1945 { 0x06, 0x3359 },
1946 { 0x06, 0x0fe2 },
1947 { 0x06, 0x834d },
1948 { 0x06, 0x0c24 },
1949 { 0x06, 0x5af0 },
1950 { 0x06, 0x1e12 },
1951 { 0x06, 0xe4f8 },
1952 { 0x06, 0x8ce5 },
1953 { 0x06, 0xf88d },
1954 { 0x06, 0xe083 },
1955 { 0x06, 0x30e1 },
1956 { 0x06, 0x8331 },
1957 { 0x06, 0x6801 },
1958 { 0x06, 0xe4f8 },
1959 { 0x06, 0x8ae5 },
1960 { 0x06, 0xf88b },
1961 { 0x06, 0xae37 },
1962 { 0x06, 0xee83 },
1963 { 0x06, 0x4e03 },
1964 { 0x06, 0xe083 },
1965 { 0x06, 0x4ce1 },
1966 { 0x06, 0x834d },
1967 { 0x06, 0x1b01 },
1968 { 0x06, 0x9e04 },
1969 { 0x06, 0xaaa1 },
1970 { 0x06, 0xaea8 },
1971 { 0x06, 0xee83 },
1972 { 0x06, 0x4e04 },
1973 { 0x06, 0xee83 },
1974 { 0x06, 0x4f00 },
1975 { 0x06, 0xaeab },
1976 { 0x06, 0xe083 },
1977 { 0x06, 0x4f78 },
1978 { 0x06, 0x039f },
1979 { 0x06, 0x14ee },
1980 { 0x06, 0x834e },
1981 { 0x06, 0x05d2 },
1982 { 0x06, 0x40d6 },
1983 { 0x06, 0x5554 },
1984 { 0x06, 0x0282 },
1985 { 0x06, 0x17d2 },
1986 { 0x06, 0xa0d6 },
1987 { 0x06, 0xba00 },
1988 { 0x06, 0x0282 },
1989 { 0x06, 0x17fe },
1990 { 0x06, 0xfdfc },
1991 { 0x06, 0x05f8 },
1992 { 0x06, 0xe0f8 },
1993 { 0x06, 0x60e1 },
1994 { 0x06, 0xf861 },
1995 { 0x06, 0x6802 },
1996 { 0x06, 0xe4f8 },
1997 { 0x06, 0x60e5 },
1998 { 0x06, 0xf861 },
1999 { 0x06, 0xe0f8 },
2000 { 0x06, 0x48e1 },
2001 { 0x06, 0xf849 },
2002 { 0x06, 0x580f },
2003 { 0x06, 0x1e02 },
2004 { 0x06, 0xe4f8 },
2005 { 0x06, 0x48e5 },
2006 { 0x06, 0xf849 },
2007 { 0x06, 0xd000 },
2008 { 0x06, 0x0282 },
2009 { 0x06, 0x5bbf },
2010 { 0x06, 0x8350 },
2011 { 0x06, 0xef46 },
2012 { 0x06, 0xdc19 },
2013 { 0x06, 0xddd0 },
2014 { 0x06, 0x0102 },
2015 { 0x06, 0x825b },
2016 { 0x06, 0x0282 },
2017 { 0x06, 0x77e0 },
2018 { 0x06, 0xf860 },
2019 { 0x06, 0xe1f8 },
2020 { 0x06, 0x6158 },
2021 { 0x06, 0xfde4 },
2022 { 0x06, 0xf860 },
2023 { 0x06, 0xe5f8 },
2024 { 0x06, 0x61fc },
2025 { 0x06, 0x04f9 },
2026 { 0x06, 0xfafb },
2027 { 0x06, 0xc6bf },
2028 { 0x06, 0xf840 },
2029 { 0x06, 0xbe83 },
2030 { 0x06, 0x50a0 },
2031 { 0x06, 0x0101 },
2032 { 0x06, 0x071b },
2033 { 0x06, 0x89cf },
2034 { 0x06, 0xd208 },
2035 { 0x06, 0xebdb },
2036 { 0x06, 0x19b2 },
2037 { 0x06, 0xfbff },
2038 { 0x06, 0xfefd },
2039 { 0x06, 0x04f8 },
2040 { 0x06, 0xe0f8 },
2041 { 0x06, 0x48e1 },
2042 { 0x06, 0xf849 },
2043 { 0x06, 0x6808 },
2044 { 0x06, 0xe4f8 },
2045 { 0x06, 0x48e5 },
2046 { 0x06, 0xf849 },
2047 { 0x06, 0x58f7 },
2048 { 0x06, 0xe4f8 },
2049 { 0x06, 0x48e5 },
2050 { 0x06, 0xf849 },
2051 { 0x06, 0xfc04 },
2052 { 0x06, 0x4d20 },
2053 { 0x06, 0x0002 },
2054 { 0x06, 0x4e22 },
2055 { 0x06, 0x0002 },
2056 { 0x06, 0x4ddf },
2057 { 0x06, 0xff01 },
2058 { 0x06, 0x4edd },
2059 { 0x06, 0xff01 },
2060 { 0x05, 0x83d4 },
2061 { 0x06, 0x8000 },
2062 { 0x05, 0x83d8 },
2063 { 0x06, 0x8051 },
2064 { 0x02, 0x6010 },
2065 { 0x03, 0xdc00 },
2066 { 0x05, 0xfff6 },
2067 { 0x06, 0x00fc },
1671 { 0x1f, 0x0000 }, 2068 { 0x1f, 0x0000 },
1672 { 0x14, 0x0060 }, 2069
1673 { 0x1f, 0x0000 }, 2070 { 0x1f, 0x0000 },
1674 { 0x0d, 0xf8a0 }, 2071 { 0x0d, 0xf880 },
2072 { 0x1f, 0x0000 }
2073 };
2074
2075 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2076
2077 mdio_write(ioaddr, 0x1f, 0x0002);
2078 mdio_plus_minus(ioaddr, 0x0b, 0x0010, 0x00ef);
2079 mdio_plus_minus(ioaddr, 0x0c, 0xa200, 0x5d00);
2080
2081 rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
2082
2083 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2084 struct phy_reg phy_reg_init[] = {
2085 { 0x1f, 0x0002 },
2086 { 0x05, 0x669a },
2087 { 0x1f, 0x0005 },
2088 { 0x05, 0x8330 },
2089 { 0x06, 0x669a },
2090 { 0x1f, 0x0002 }
2091 };
2092 int val;
2093
2094 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2095
2096 val = mdio_read(ioaddr, 0x0d);
2097
2098 if ((val & 0x00ff) != 0x006c) {
2099 u32 set[] = {
2100 0x0065, 0x0066, 0x0067, 0x0068,
2101 0x0069, 0x006a, 0x006b, 0x006c
2102 };
2103 int i;
2104
2105 mdio_write(ioaddr, 0x1f, 0x0002);
2106
2107 val &= 0xff00;
2108 for (i = 0; i < ARRAY_SIZE(set); i++)
2109 mdio_write(ioaddr, 0x0d, val | set[i]);
2110 }
2111 } else {
2112 struct phy_reg phy_reg_init[] = {
2113 { 0x1f, 0x0002 },
2114 { 0x05, 0x6662 },
2115 { 0x1f, 0x0005 },
2116 { 0x05, 0x8330 },
2117 { 0x06, 0x6662 }
2118 };
2119
2120 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2121 }
2122
2123 mdio_write(ioaddr, 0x1f, 0x0002);
2124 mdio_patch(ioaddr, 0x0d, 0x0300);
2125 mdio_patch(ioaddr, 0x0f, 0x0010);
2126
2127 mdio_write(ioaddr, 0x1f, 0x0002);
2128 mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600);
2129 mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000);
2130
2131 rtl_phy_write(ioaddr, phy_reg_init_2, ARRAY_SIZE(phy_reg_init_2));
2132}
2133
2134static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
2135{
2136 static struct phy_reg phy_reg_init_0[] = {
2137 { 0x1f, 0x0001 },
2138 { 0x06, 0x4064 },
2139 { 0x07, 0x2863 },
2140 { 0x08, 0x059c },
2141 { 0x09, 0x26b4 },
2142 { 0x0a, 0x6a19 },
2143 { 0x0b, 0xdcc8 },
2144 { 0x10, 0xf06d },
2145 { 0x14, 0x7f68 },
2146 { 0x18, 0x7fd9 },
2147 { 0x1c, 0xf0ff },
2148 { 0x1d, 0x3d9c },
2149 { 0x1f, 0x0003 },
2150 { 0x12, 0xf49f },
2151 { 0x13, 0x070b },
2152 { 0x1a, 0x05ad },
2153 { 0x14, 0x94c0 },
2154
2155 { 0x1f, 0x0002 },
2156 { 0x06, 0x5561 },
2157 { 0x1f, 0x0005 },
2158 { 0x05, 0x8332 },
2159 { 0x06, 0x5561 }
2160 };
2161 static struct phy_reg phy_reg_init_1[] = {
2162 { 0x1f, 0x0005 },
2163 { 0x05, 0xffc2 },
1675 { 0x1f, 0x0005 }, 2164 { 0x1f, 0x0005 },
1676 { 0x05, 0xffc2 } 2165 { 0x05, 0x8000 },
2166 { 0x06, 0xf8f9 },
2167 { 0x06, 0xfaee },
2168 { 0x06, 0xf8ea },
2169 { 0x06, 0x00ee },
2170 { 0x06, 0xf8eb },
2171 { 0x06, 0x00e2 },
2172 { 0x06, 0xf87c },
2173 { 0x06, 0xe3f8 },
2174 { 0x06, 0x7da5 },
2175 { 0x06, 0x1111 },
2176 { 0x06, 0x12d2 },
2177 { 0x06, 0x40d6 },
2178 { 0x06, 0x4444 },
2179 { 0x06, 0x0281 },
2180 { 0x06, 0xc6d2 },
2181 { 0x06, 0xa0d6 },
2182 { 0x06, 0xaaaa },
2183 { 0x06, 0x0281 },
2184 { 0x06, 0xc6ae },
2185 { 0x06, 0x0fa5 },
2186 { 0x06, 0x4444 },
2187 { 0x06, 0x02ae },
2188 { 0x06, 0x4da5 },
2189 { 0x06, 0xaaaa },
2190 { 0x06, 0x02ae },
2191 { 0x06, 0x47af },
2192 { 0x06, 0x81c2 },
2193 { 0x06, 0xee83 },
2194 { 0x06, 0x4e00 },
2195 { 0x06, 0xee83 },
2196 { 0x06, 0x4d0f },
2197 { 0x06, 0xee83 },
2198 { 0x06, 0x4c0f },
2199 { 0x06, 0xee83 },
2200 { 0x06, 0x4f00 },
2201 { 0x06, 0xee83 },
2202 { 0x06, 0x5100 },
2203 { 0x06, 0xee83 },
2204 { 0x06, 0x4aff },
2205 { 0x06, 0xee83 },
2206 { 0x06, 0x4bff },
2207 { 0x06, 0xe083 },
2208 { 0x06, 0x30e1 },
2209 { 0x06, 0x8331 },
2210 { 0x06, 0x58fe },
2211 { 0x06, 0xe4f8 },
2212 { 0x06, 0x8ae5 },
2213 { 0x06, 0xf88b },
2214 { 0x06, 0xe083 },
2215 { 0x06, 0x32e1 },
2216 { 0x06, 0x8333 },
2217 { 0x06, 0x590f },
2218 { 0x06, 0xe283 },
2219 { 0x06, 0x4d0c },
2220 { 0x06, 0x245a },
2221 { 0x06, 0xf01e },
2222 { 0x06, 0x12e4 },
2223 { 0x06, 0xf88c },
2224 { 0x06, 0xe5f8 },
2225 { 0x06, 0x8daf },
2226 { 0x06, 0x81c2 },
2227 { 0x06, 0xe083 },
2228 { 0x06, 0x4f10 },
2229 { 0x06, 0xe483 },
2230 { 0x06, 0x4fe0 },
2231 { 0x06, 0x834e },
2232 { 0x06, 0x7800 },
2233 { 0x06, 0x9f0a },
2234 { 0x06, 0xe083 },
2235 { 0x06, 0x4fa0 },
2236 { 0x06, 0x10a5 },
2237 { 0x06, 0xee83 },
2238 { 0x06, 0x4e01 },
2239 { 0x06, 0xe083 },
2240 { 0x06, 0x4e78 },
2241 { 0x06, 0x059e },
2242 { 0x06, 0x9ae0 },
2243 { 0x06, 0x834e },
2244 { 0x06, 0x7804 },
2245 { 0x06, 0x9e10 },
2246 { 0x06, 0xe083 },
2247 { 0x06, 0x4e78 },
2248 { 0x06, 0x039e },
2249 { 0x06, 0x0fe0 },
2250 { 0x06, 0x834e },
2251 { 0x06, 0x7801 },
2252 { 0x06, 0x9e05 },
2253 { 0x06, 0xae0c },
2254 { 0x06, 0xaf81 },
2255 { 0x06, 0xa7af },
2256 { 0x06, 0x8152 },
2257 { 0x06, 0xaf81 },
2258 { 0x06, 0x8baf },
2259 { 0x06, 0x81c2 },
2260 { 0x06, 0xee83 },
2261 { 0x06, 0x4800 },
2262 { 0x06, 0xee83 },
2263 { 0x06, 0x4900 },
2264 { 0x06, 0xe083 },
2265 { 0x06, 0x5110 },
2266 { 0x06, 0xe483 },
2267 { 0x06, 0x5158 },
2268 { 0x06, 0x019f },
2269 { 0x06, 0xead0 },
2270 { 0x06, 0x00d1 },
2271 { 0x06, 0x801f },
2272 { 0x06, 0x66e2 },
2273 { 0x06, 0xf8ea },
2274 { 0x06, 0xe3f8 },
2275 { 0x06, 0xeb5a },
2276 { 0x06, 0xf81e },
2277 { 0x06, 0x20e6 },
2278 { 0x06, 0xf8ea },
2279 { 0x06, 0xe5f8 },
2280 { 0x06, 0xebd3 },
2281 { 0x06, 0x02b3 },
2282 { 0x06, 0xfee2 },
2283 { 0x06, 0xf87c },
2284 { 0x06, 0xef32 },
2285 { 0x06, 0x5b80 },
2286 { 0x06, 0xe3f8 },
2287 { 0x06, 0x7d9e },
2288 { 0x06, 0x037d },
2289 { 0x06, 0xffff },
2290 { 0x06, 0x0d58 },
2291 { 0x06, 0x1c55 },
2292 { 0x06, 0x1a65 },
2293 { 0x06, 0x11a1 },
2294 { 0x06, 0x90d3 },
2295 { 0x06, 0xe283 },
2296 { 0x06, 0x48e3 },
2297 { 0x06, 0x8349 },
2298 { 0x06, 0x1b56 },
2299 { 0x06, 0xab08 },
2300 { 0x06, 0xef56 },
2301 { 0x06, 0xe683 },
2302 { 0x06, 0x48e7 },
2303 { 0x06, 0x8349 },
2304 { 0x06, 0x10d1 },
2305 { 0x06, 0x801f },
2306 { 0x06, 0x66a0 },
2307 { 0x06, 0x04b9 },
2308 { 0x06, 0xe283 },
2309 { 0x06, 0x48e3 },
2310 { 0x06, 0x8349 },
2311 { 0x06, 0xef65 },
2312 { 0x06, 0xe283 },
2313 { 0x06, 0x4ae3 },
2314 { 0x06, 0x834b },
2315 { 0x06, 0x1b56 },
2316 { 0x06, 0xaa0e },
2317 { 0x06, 0xef56 },
2318 { 0x06, 0xe683 },
2319 { 0x06, 0x4ae7 },
2320 { 0x06, 0x834b },
2321 { 0x06, 0xe283 },
2322 { 0x06, 0x4de6 },
2323 { 0x06, 0x834c },
2324 { 0x06, 0xe083 },
2325 { 0x06, 0x4da0 },
2326 { 0x06, 0x000c },
2327 { 0x06, 0xaf81 },
2328 { 0x06, 0x8be0 },
2329 { 0x06, 0x834d },
2330 { 0x06, 0x10e4 },
2331 { 0x06, 0x834d },
2332 { 0x06, 0xae04 },
2333 { 0x06, 0x80e4 },
2334 { 0x06, 0x834d },
2335 { 0x06, 0xe083 },
2336 { 0x06, 0x4e78 },
2337 { 0x06, 0x039e },
2338 { 0x06, 0x0be0 },
2339 { 0x06, 0x834e },
2340 { 0x06, 0x7804 },
2341 { 0x06, 0x9e04 },
2342 { 0x06, 0xee83 },
2343 { 0x06, 0x4e02 },
2344 { 0x06, 0xe083 },
2345 { 0x06, 0x32e1 },
2346 { 0x06, 0x8333 },
2347 { 0x06, 0x590f },
2348 { 0x06, 0xe283 },
2349 { 0x06, 0x4d0c },
2350 { 0x06, 0x245a },
2351 { 0x06, 0xf01e },
2352 { 0x06, 0x12e4 },
2353 { 0x06, 0xf88c },
2354 { 0x06, 0xe5f8 },
2355 { 0x06, 0x8de0 },
2356 { 0x06, 0x8330 },
2357 { 0x06, 0xe183 },
2358 { 0x06, 0x3168 },
2359 { 0x06, 0x01e4 },
2360 { 0x06, 0xf88a },
2361 { 0x06, 0xe5f8 },
2362 { 0x06, 0x8bae },
2363 { 0x06, 0x37ee },
2364 { 0x06, 0x834e },
2365 { 0x06, 0x03e0 },
2366 { 0x06, 0x834c },
2367 { 0x06, 0xe183 },
2368 { 0x06, 0x4d1b },
2369 { 0x06, 0x019e },
2370 { 0x06, 0x04aa },
2371 { 0x06, 0xa1ae },
2372 { 0x06, 0xa8ee },
2373 { 0x06, 0x834e },
2374 { 0x06, 0x04ee },
2375 { 0x06, 0x834f },
2376 { 0x06, 0x00ae },
2377 { 0x06, 0xabe0 },
2378 { 0x06, 0x834f },
2379 { 0x06, 0x7803 },
2380 { 0x06, 0x9f14 },
2381 { 0x06, 0xee83 },
2382 { 0x06, 0x4e05 },
2383 { 0x06, 0xd240 },
2384 { 0x06, 0xd655 },
2385 { 0x06, 0x5402 },
2386 { 0x06, 0x81c6 },
2387 { 0x06, 0xd2a0 },
2388 { 0x06, 0xd6ba },
2389 { 0x06, 0x0002 },
2390 { 0x06, 0x81c6 },
2391 { 0x06, 0xfefd },
2392 { 0x06, 0xfc05 },
2393 { 0x06, 0xf8e0 },
2394 { 0x06, 0xf860 },
2395 { 0x06, 0xe1f8 },
2396 { 0x06, 0x6168 },
2397 { 0x06, 0x02e4 },
2398 { 0x06, 0xf860 },
2399 { 0x06, 0xe5f8 },
2400 { 0x06, 0x61e0 },
2401 { 0x06, 0xf848 },
2402 { 0x06, 0xe1f8 },
2403 { 0x06, 0x4958 },
2404 { 0x06, 0x0f1e },
2405 { 0x06, 0x02e4 },
2406 { 0x06, 0xf848 },
2407 { 0x06, 0xe5f8 },
2408 { 0x06, 0x49d0 },
2409 { 0x06, 0x0002 },
2410 { 0x06, 0x820a },
2411 { 0x06, 0xbf83 },
2412 { 0x06, 0x50ef },
2413 { 0x06, 0x46dc },
2414 { 0x06, 0x19dd },
2415 { 0x06, 0xd001 },
2416 { 0x06, 0x0282 },
2417 { 0x06, 0x0a02 },
2418 { 0x06, 0x8226 },
2419 { 0x06, 0xe0f8 },
2420 { 0x06, 0x60e1 },
2421 { 0x06, 0xf861 },
2422 { 0x06, 0x58fd },
2423 { 0x06, 0xe4f8 },
2424 { 0x06, 0x60e5 },
2425 { 0x06, 0xf861 },
2426 { 0x06, 0xfc04 },
2427 { 0x06, 0xf9fa },
2428 { 0x06, 0xfbc6 },
2429 { 0x06, 0xbff8 },
2430 { 0x06, 0x40be },
2431 { 0x06, 0x8350 },
2432 { 0x06, 0xa001 },
2433 { 0x06, 0x0107 },
2434 { 0x06, 0x1b89 },
2435 { 0x06, 0xcfd2 },
2436 { 0x06, 0x08eb },
2437 { 0x06, 0xdb19 },
2438 { 0x06, 0xb2fb },
2439 { 0x06, 0xfffe },
2440 { 0x06, 0xfd04 },
2441 { 0x06, 0xf8e0 },
2442 { 0x06, 0xf848 },
2443 { 0x06, 0xe1f8 },
2444 { 0x06, 0x4968 },
2445 { 0x06, 0x08e4 },
2446 { 0x06, 0xf848 },
2447 { 0x06, 0xe5f8 },
2448 { 0x06, 0x4958 },
2449 { 0x06, 0xf7e4 },
2450 { 0x06, 0xf848 },
2451 { 0x06, 0xe5f8 },
2452 { 0x06, 0x49fc },
2453 { 0x06, 0x044d },
2454 { 0x06, 0x2000 },
2455 { 0x06, 0x024e },
2456 { 0x06, 0x2200 },
2457 { 0x06, 0x024d },
2458 { 0x06, 0xdfff },
2459 { 0x06, 0x014e },
2460 { 0x06, 0xddff },
2461 { 0x06, 0x0100 },
2462 { 0x05, 0x83d8 },
2463 { 0x06, 0x8000 },
2464 { 0x03, 0xdc00 },
2465 { 0x05, 0xfff6 },
2466 { 0x06, 0x00fc },
2467 { 0x1f, 0x0000 },
2468
2469 { 0x1f, 0x0000 },
2470 { 0x0d, 0xf880 },
2471 { 0x1f, 0x0000 }
1677 }; 2472 };
1678 2473
1679 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); 2474 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
1680 2475
1681 if (mdio_read(ioaddr, 0x06) == 0xc400) { 2476 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
1682 struct phy_reg phy_reg_init_1[] = { 2477 struct phy_reg phy_reg_init[] = {
2478 { 0x1f, 0x0002 },
2479 { 0x05, 0x669a },
1683 { 0x1f, 0x0005 }, 2480 { 0x1f, 0x0005 },
1684 { 0x01, 0x0300 }, 2481 { 0x05, 0x8330 },
1685 { 0x1f, 0x0000 }, 2482 { 0x06, 0x669a },
1686 { 0x11, 0x401c }, 2483
1687 { 0x16, 0x4100 }, 2484 { 0x1f, 0x0002 }
2485 };
2486 int val;
2487
2488 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2489
2490 val = mdio_read(ioaddr, 0x0d);
2491 if ((val & 0x00ff) != 0x006c) {
2492 u32 set[] = {
2493 0x0065, 0x0066, 0x0067, 0x0068,
2494 0x0069, 0x006a, 0x006b, 0x006c
2495 };
2496 int i;
2497
2498 mdio_write(ioaddr, 0x1f, 0x0002);
2499
2500 val &= 0xff00;
2501 for (i = 0; i < ARRAY_SIZE(set); i++)
2502 mdio_write(ioaddr, 0x0d, val | set[i]);
2503 }
2504 } else {
2505 struct phy_reg phy_reg_init[] = {
2506 { 0x1f, 0x0002 },
2507 { 0x05, 0x2642 },
1688 { 0x1f, 0x0005 }, 2508 { 0x1f, 0x0005 },
1689 { 0x07, 0x0010 }, 2509 { 0x05, 0x8330 },
1690 { 0x05, 0x83dc }, 2510 { 0x06, 0x2642 }
1691 { 0x06, 0x087d },
1692 { 0x05, 0x8300 },
1693 { 0x06, 0x0101 },
1694 { 0x06, 0x05f8 },
1695 { 0x06, 0xf9fa },
1696 { 0x06, 0xfbef },
1697 { 0x06, 0x79e2 },
1698 { 0x06, 0x835f },
1699 { 0x06, 0xe0f8 },
1700 { 0x06, 0x9ae1 },
1701 { 0x06, 0xf89b },
1702 { 0x06, 0xef31 },
1703 { 0x06, 0x3b65 },
1704 { 0x06, 0xaa07 },
1705 { 0x06, 0x81e4 },
1706 { 0x06, 0xf89a },
1707 { 0x06, 0xe5f8 },
1708 { 0x06, 0x9baf },
1709 { 0x06, 0x06ae },
1710 { 0x05, 0x83dc },
1711 { 0x06, 0x8300 },
1712 }; 2511 };
1713 2512
1714 rtl_phy_write(ioaddr, phy_reg_init_1, 2513 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1715 ARRAY_SIZE(phy_reg_init_1));
1716 } 2514 }
1717 2515
1718 mdio_write(ioaddr, 0x1f, 0x0000); 2516 mdio_write(ioaddr, 0x1f, 0x0002);
2517 mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600);
2518 mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000);
2519
2520 mdio_write(ioaddr, 0x1f, 0x0001);
2521 mdio_write(ioaddr, 0x17, 0x0cc0);
2522
2523 mdio_write(ioaddr, 0x1f, 0x0002);
2524 mdio_patch(ioaddr, 0x0f, 0x0017);
2525
2526 rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
2527}
2528
2529static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr)
2530{
2531 struct phy_reg phy_reg_init[] = {
2532 { 0x1f, 0x0002 },
2533 { 0x10, 0x0008 },
2534 { 0x0d, 0x006c },
2535
2536 { 0x1f, 0x0000 },
2537 { 0x0d, 0xf880 },
2538
2539 { 0x1f, 0x0001 },
2540 { 0x17, 0x0cc0 },
2541
2542 { 0x1f, 0x0001 },
2543 { 0x0b, 0xa4d8 },
2544 { 0x09, 0x281c },
2545 { 0x07, 0x2883 },
2546 { 0x0a, 0x6b35 },
2547 { 0x1d, 0x3da4 },
2548 { 0x1c, 0xeffd },
2549 { 0x14, 0x7f52 },
2550 { 0x18, 0x7fc6 },
2551 { 0x08, 0x0601 },
2552 { 0x06, 0x4063 },
2553 { 0x10, 0xf074 },
2554 { 0x1f, 0x0003 },
2555 { 0x13, 0x0789 },
2556 { 0x12, 0xf4bd },
2557 { 0x1a, 0x04fd },
2558 { 0x14, 0x84b0 },
2559 { 0x1f, 0x0000 },
2560 { 0x00, 0x9200 },
2561
2562 { 0x1f, 0x0005 },
2563 { 0x01, 0x0340 },
2564 { 0x1f, 0x0001 },
2565 { 0x04, 0x4000 },
2566 { 0x03, 0x1d21 },
2567 { 0x02, 0x0c32 },
2568 { 0x01, 0x0200 },
2569 { 0x00, 0x5554 },
2570 { 0x04, 0x4800 },
2571 { 0x04, 0x4000 },
2572 { 0x04, 0xf000 },
2573 { 0x03, 0xdf01 },
2574 { 0x02, 0xdf20 },
2575 { 0x01, 0x101a },
2576 { 0x00, 0xa0ff },
2577 { 0x04, 0xf800 },
2578 { 0x04, 0xf000 },
2579 { 0x1f, 0x0000 },
2580
2581 { 0x1f, 0x0007 },
2582 { 0x1e, 0x0023 },
2583 { 0x16, 0x0000 },
2584 { 0x1f, 0x0000 }
2585 };
2586
2587 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1719} 2588}
1720 2589
1721static void rtl8102e_hw_phy_config(void __iomem *ioaddr) 2590static void rtl8102e_hw_phy_config(void __iomem *ioaddr)
@@ -1792,7 +2661,13 @@ static void rtl_hw_phy_config(struct net_device *dev)
1792 rtl8168cp_2_hw_phy_config(ioaddr); 2661 rtl8168cp_2_hw_phy_config(ioaddr);
1793 break; 2662 break;
1794 case RTL_GIGA_MAC_VER_25: 2663 case RTL_GIGA_MAC_VER_25:
1795 rtl8168d_hw_phy_config(ioaddr); 2664 rtl8168d_1_hw_phy_config(ioaddr);
2665 break;
2666 case RTL_GIGA_MAC_VER_26:
2667 rtl8168d_2_hw_phy_config(ioaddr);
2668 break;
2669 case RTL_GIGA_MAC_VER_27:
2670 rtl8168d_3_hw_phy_config(ioaddr);
1796 break; 2671 break;
1797 2672
1798 default: 2673 default:
@@ -2863,6 +3738,8 @@ static void rtl_hw_start_8168(struct net_device *dev)
2863 break; 3738 break;
2864 3739
2865 case RTL_GIGA_MAC_VER_25: 3740 case RTL_GIGA_MAC_VER_25:
3741 case RTL_GIGA_MAC_VER_26:
3742 case RTL_GIGA_MAC_VER_27:
2866 rtl_hw_start_8168d(ioaddr, pdev); 3743 rtl_hw_start_8168d(ioaddr, pdev);
2867 break; 3744 break;
2868 3745
diff --git a/drivers/net/stmmac/Kconfig b/drivers/net/stmmac/Kconfig
new file mode 100644
index 000000000000..35eaa5251d7f
--- /dev/null
+++ b/drivers/net/stmmac/Kconfig
@@ -0,0 +1,53 @@
1config STMMAC_ETH
2 tristate "STMicroelectronics 10/100/1000 Ethernet driver"
3 select MII
4 select PHYLIB
5 depends on NETDEVICES && CPU_SUBTYPE_ST40
6 help
7 This is the driver for the ST MAC 10/100/1000 on-chip Ethernet
8 controllers. ST Ethernet IPs are built around a Synopsys IP Core.
9
10if STMMAC_ETH
11
12config STMMAC_DA
13 bool "STMMAC DMA arbitration scheme"
14 default n
15 help
16 Selecting this option, rx has priority over Tx (only for Giga
17 Ethernet device).
18 By default, the DMA arbitration scheme is based on Round-robin
19 (rx:tx priority is 1:1).
20
21config STMMAC_DUAL_MAC
22 bool "STMMAC: dual mac support (EXPERIMENTAL)"
23 default n
24 depends on EXPERIMENTAL && STMMAC_ETH && !STMMAC_TIMER
25 help
26 Some ST SoCs (for example the stx7141 and stx7200c2) have two
27 Ethernet Controllers. This option turns on the second Ethernet
28 device on this kind of platforms.
29
30config STMMAC_TIMER
31 bool "STMMAC Timer optimisation"
32 default n
33 help
34 Use an external timer for mitigating the number of network
35 interrupts.
36
37choice
38 prompt "Select Timer device"
39 depends on STMMAC_TIMER
40
41config STMMAC_TMU_TIMER
42 bool "TMU channel 2"
43 depends on CPU_SH4
44 help
45
46config STMMAC_RTC_TIMER
47 bool "Real time clock"
48 depends on RTC_CLASS
49 help
50
51endchoice
52
53endif
diff --git a/drivers/net/stmmac/Makefile b/drivers/net/stmmac/Makefile
new file mode 100644
index 000000000000..b2d7a5564dfa
--- /dev/null
+++ b/drivers/net/stmmac/Makefile
@@ -0,0 +1,4 @@
1obj-$(CONFIG_STMMAC_ETH) += stmmac.o
2stmmac-$(CONFIG_STMMAC_TIMER) += stmmac_timer.o
3stmmac-objs:= stmmac_main.o stmmac_ethtool.o stmmac_mdio.o \
4 mac100.o gmac.o $(stmmac-y)
diff --git a/drivers/net/stmmac/common.h b/drivers/net/stmmac/common.h
new file mode 100644
index 000000000000..e49e5188e887
--- /dev/null
+++ b/drivers/net/stmmac/common.h
@@ -0,0 +1,330 @@
1/*******************************************************************************
2 STMMAC Common Header File
3
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23*******************************************************************************/
24
25#include "descs.h"
26#include <linux/io.h>
27
28/* *********************************************
29 DMA CRS Control and Status Register Mapping
30 * *********************************************/
31#define DMA_BUS_MODE 0x00001000 /* Bus Mode */
32#define DMA_XMT_POLL_DEMAND 0x00001004 /* Transmit Poll Demand */
33#define DMA_RCV_POLL_DEMAND 0x00001008 /* Received Poll Demand */
34#define DMA_RCV_BASE_ADDR 0x0000100c /* Receive List Base */
35#define DMA_TX_BASE_ADDR 0x00001010 /* Transmit List Base */
36#define DMA_STATUS 0x00001014 /* Status Register */
37#define DMA_CONTROL 0x00001018 /* Ctrl (Operational Mode) */
38#define DMA_INTR_ENA 0x0000101c /* Interrupt Enable */
39#define DMA_MISSED_FRAME_CTR 0x00001020 /* Missed Frame Counter */
40#define DMA_CUR_TX_BUF_ADDR 0x00001050 /* Current Host Tx Buffer */
41#define DMA_CUR_RX_BUF_ADDR 0x00001054 /* Current Host Rx Buffer */
42
43/* ********************************
44 DMA Control register defines
45 * ********************************/
46#define DMA_CONTROL_ST 0x00002000 /* Start/Stop Transmission */
47#define DMA_CONTROL_SR 0x00000002 /* Start/Stop Receive */
48
49/* **************************************
50 DMA Interrupt Enable register defines
51 * **************************************/
52/**** NORMAL INTERRUPT ****/
53#define DMA_INTR_ENA_NIE 0x00010000 /* Normal Summary */
54#define DMA_INTR_ENA_TIE 0x00000001 /* Transmit Interrupt */
55#define DMA_INTR_ENA_TUE 0x00000004 /* Transmit Buffer Unavailable */
56#define DMA_INTR_ENA_RIE 0x00000040 /* Receive Interrupt */
57#define DMA_INTR_ENA_ERE 0x00004000 /* Early Receive */
58
59#define DMA_INTR_NORMAL (DMA_INTR_ENA_NIE | DMA_INTR_ENA_RIE | \
60 DMA_INTR_ENA_TIE)
61
62/**** ABNORMAL INTERRUPT ****/
63#define DMA_INTR_ENA_AIE 0x00008000 /* Abnormal Summary */
64#define DMA_INTR_ENA_FBE 0x00002000 /* Fatal Bus Error */
65#define DMA_INTR_ENA_ETE 0x00000400 /* Early Transmit */
66#define DMA_INTR_ENA_RWE 0x00000200 /* Receive Watchdog */
67#define DMA_INTR_ENA_RSE 0x00000100 /* Receive Stopped */
68#define DMA_INTR_ENA_RUE 0x00000080 /* Receive Buffer Unavailable */
69#define DMA_INTR_ENA_UNE 0x00000020 /* Tx Underflow */
70#define DMA_INTR_ENA_OVE 0x00000010 /* Receive Overflow */
71#define DMA_INTR_ENA_TJE 0x00000008 /* Transmit Jabber */
72#define DMA_INTR_ENA_TSE 0x00000002 /* Transmit Stopped */
73
74#define DMA_INTR_ABNORMAL (DMA_INTR_ENA_AIE | DMA_INTR_ENA_FBE | \
75 DMA_INTR_ENA_UNE)
76
77/* DMA default interrupt mask */
78#define DMA_INTR_DEFAULT_MASK (DMA_INTR_NORMAL | DMA_INTR_ABNORMAL)
79
80/* ****************************
81 * DMA Status register defines
82 * ****************************/
83#define DMA_STATUS_GPI 0x10000000 /* PMT interrupt */
84#define DMA_STATUS_GMI 0x08000000 /* MMC interrupt */
85#define DMA_STATUS_GLI 0x04000000 /* GMAC Line interface int. */
86#define DMA_STATUS_GMI 0x08000000
87#define DMA_STATUS_GLI 0x04000000
88#define DMA_STATUS_EB_MASK 0x00380000 /* Error Bits Mask */
89#define DMA_STATUS_EB_TX_ABORT 0x00080000 /* Error Bits - TX Abort */
90#define DMA_STATUS_EB_RX_ABORT 0x00100000 /* Error Bits - RX Abort */
91#define DMA_STATUS_TS_MASK 0x00700000 /* Transmit Process State */
92#define DMA_STATUS_TS_SHIFT 20
93#define DMA_STATUS_RS_MASK 0x000e0000 /* Receive Process State */
94#define DMA_STATUS_RS_SHIFT 17
95#define DMA_STATUS_NIS 0x00010000 /* Normal Interrupt Summary */
96#define DMA_STATUS_AIS 0x00008000 /* Abnormal Interrupt Summary */
97#define DMA_STATUS_ERI 0x00004000 /* Early Receive Interrupt */
98#define DMA_STATUS_FBI 0x00002000 /* Fatal Bus Error Interrupt */
99#define DMA_STATUS_ETI 0x00000400 /* Early Transmit Interrupt */
100#define DMA_STATUS_RWT 0x00000200 /* Receive Watchdog Timeout */
101#define DMA_STATUS_RPS 0x00000100 /* Receive Process Stopped */
102#define DMA_STATUS_RU 0x00000080 /* Receive Buffer Unavailable */
103#define DMA_STATUS_RI 0x00000040 /* Receive Interrupt */
104#define DMA_STATUS_UNF 0x00000020 /* Transmit Underflow */
105#define DMA_STATUS_OVF 0x00000010 /* Receive Overflow */
106#define DMA_STATUS_TJT 0x00000008 /* Transmit Jabber Timeout */
107#define DMA_STATUS_TU 0x00000004 /* Transmit Buffer Unavailable */
108#define DMA_STATUS_TPS 0x00000002 /* Transmit Process Stopped */
109#define DMA_STATUS_TI 0x00000001 /* Transmit Interrupt */
110
111/* Other defines */
112#define HASH_TABLE_SIZE 64
113#define PAUSE_TIME 0x200
114
115/* Flow Control defines */
116#define FLOW_OFF 0
117#define FLOW_RX 1
118#define FLOW_TX 2
119#define FLOW_AUTO (FLOW_TX | FLOW_RX)
120
121/* DMA STORE-AND-FORWARD Operation Mode */
122#define SF_DMA_MODE 1
123
124#define HW_CSUM 1
125#define NO_HW_CSUM 0
126
127/* GMAC TX FIFO is 8K, Rx FIFO is 16K */
128#define BUF_SIZE_16KiB 16384
129#define BUF_SIZE_8KiB 8192
130#define BUF_SIZE_4KiB 4096
131#define BUF_SIZE_2KiB 2048
132
133/* Power Down and WOL */
134#define PMT_NOT_SUPPORTED 0
135#define PMT_SUPPORTED 1
136
137/* Common MAC defines */
138#define MAC_CTRL_REG 0x00000000 /* MAC Control */
139#define MAC_ENABLE_TX 0x00000008 /* Transmitter Enable */
140#define MAC_RNABLE_RX 0x00000004 /* Receiver Enable */
141
142/* MAC Management Counters register */
143#define MMC_CONTROL 0x00000100 /* MMC Control */
144#define MMC_HIGH_INTR 0x00000104 /* MMC High Interrupt */
145#define MMC_LOW_INTR 0x00000108 /* MMC Low Interrupt */
146#define MMC_HIGH_INTR_MASK 0x0000010c /* MMC High Interrupt Mask */
147#define MMC_LOW_INTR_MASK 0x00000110 /* MMC Low Interrupt Mask */
148
149#define MMC_CONTROL_MAX_FRM_MASK 0x0003ff8 /* Maximum Frame Size */
150#define MMC_CONTROL_MAX_FRM_SHIFT 3
151#define MMC_CONTROL_MAX_FRAME 0x7FF
152
153struct stmmac_extra_stats {
154 /* Transmit errors */
155 unsigned long tx_underflow ____cacheline_aligned;
156 unsigned long tx_carrier;
157 unsigned long tx_losscarrier;
158 unsigned long tx_heartbeat;
159 unsigned long tx_deferred;
160 unsigned long tx_vlan;
161 unsigned long tx_jabber;
162 unsigned long tx_frame_flushed;
163 unsigned long tx_payload_error;
164 unsigned long tx_ip_header_error;
165 /* Receive errors */
166 unsigned long rx_desc;
167 unsigned long rx_partial;
168 unsigned long rx_runt;
169 unsigned long rx_toolong;
170 unsigned long rx_collision;
171 unsigned long rx_crc;
172 unsigned long rx_lenght;
173 unsigned long rx_mii;
174 unsigned long rx_multicast;
175 unsigned long rx_gmac_overflow;
176 unsigned long rx_watchdog;
177 unsigned long da_rx_filter_fail;
178 unsigned long sa_rx_filter_fail;
179 unsigned long rx_missed_cntr;
180 unsigned long rx_overflow_cntr;
181 unsigned long rx_vlan;
182 /* Tx/Rx IRQ errors */
183 unsigned long tx_undeflow_irq;
184 unsigned long tx_process_stopped_irq;
185 unsigned long tx_jabber_irq;
186 unsigned long rx_overflow_irq;
187 unsigned long rx_buf_unav_irq;
188 unsigned long rx_process_stopped_irq;
189 unsigned long rx_watchdog_irq;
190 unsigned long tx_early_irq;
191 unsigned long fatal_bus_error_irq;
192 /* Extra info */
193 unsigned long threshold;
194 unsigned long tx_pkt_n;
195 unsigned long rx_pkt_n;
196 unsigned long poll_n;
197 unsigned long sched_timer_n;
198 unsigned long normal_irq_n;
199};
200
201/* GMAC core can compute the checksums in HW. */
202enum rx_frame_status {
203 good_frame = 0,
204 discard_frame = 1,
205 csum_none = 2,
206};
207
208static inline void stmmac_set_mac_addr(unsigned long ioaddr, u8 addr[6],
209 unsigned int high, unsigned int low)
210{
211 unsigned long data;
212
213 data = (addr[5] << 8) | addr[4];
214 writel(data, ioaddr + high);
215 data = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0];
216 writel(data, ioaddr + low);
217
218 return;
219}
220
221static inline void stmmac_get_mac_addr(unsigned long ioaddr,
222 unsigned char *addr, unsigned int high,
223 unsigned int low)
224{
225 unsigned int hi_addr, lo_addr;
226
227 /* Read the MAC address from the hardware */
228 hi_addr = readl(ioaddr + high);
229 lo_addr = readl(ioaddr + low);
230
231 /* Extract the MAC address from the high and low words */
232 addr[0] = lo_addr & 0xff;
233 addr[1] = (lo_addr >> 8) & 0xff;
234 addr[2] = (lo_addr >> 16) & 0xff;
235 addr[3] = (lo_addr >> 24) & 0xff;
236 addr[4] = hi_addr & 0xff;
237 addr[5] = (hi_addr >> 8) & 0xff;
238
239 return;
240}
241
242struct stmmac_ops {
243 /* MAC core initialization */
244 void (*core_init) (unsigned long ioaddr) ____cacheline_aligned;
245 /* DMA core initialization */
246 int (*dma_init) (unsigned long ioaddr, int pbl, u32 dma_tx, u32 dma_rx);
247 /* Dump MAC registers */
248 void (*dump_mac_regs) (unsigned long ioaddr);
249 /* Dump DMA registers */
250 void (*dump_dma_regs) (unsigned long ioaddr);
251 /* Set tx/rx threshold in the csr6 register
252 * An invalid value enables the store-and-forward mode */
253 void (*dma_mode) (unsigned long ioaddr, int txmode, int rxmode);
254 /* To track extra statistic (if supported) */
255 void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x,
256 unsigned long ioaddr);
257 /* RX descriptor ring initialization */
258 void (*init_rx_desc) (struct dma_desc *p, unsigned int ring_size,
259 int disable_rx_ic);
260 /* TX descriptor ring initialization */
261 void (*init_tx_desc) (struct dma_desc *p, unsigned int ring_size);
262
263 /* Invoked by the xmit function to prepare the tx descriptor */
264 void (*prepare_tx_desc) (struct dma_desc *p, int is_fs, int len,
265 int csum_flag);
266 /* Set/get the owner of the descriptor */
267 void (*set_tx_owner) (struct dma_desc *p);
268 int (*get_tx_owner) (struct dma_desc *p);
269 /* Invoked by the xmit function to close the tx descriptor */
270 void (*close_tx_desc) (struct dma_desc *p);
271 /* Clean the tx descriptor as soon as the tx irq is received */
272 void (*release_tx_desc) (struct dma_desc *p);
273 /* Clear interrupt on tx frame completion. When this bit is
274 * set an interrupt happens as soon as the frame is transmitted */
275 void (*clear_tx_ic) (struct dma_desc *p);
276 /* Last tx segment reports the transmit status */
277 int (*get_tx_ls) (struct dma_desc *p);
278 /* Return the transmit status looking at the TDES1 */
279 int (*tx_status) (void *data, struct stmmac_extra_stats *x,
280 struct dma_desc *p, unsigned long ioaddr);
281 /* Get the buffer size from the descriptor */
282 int (*get_tx_len) (struct dma_desc *p);
283 /* Handle extra events on specific interrupts hw dependent */
284 void (*host_irq_status) (unsigned long ioaddr);
285 int (*get_rx_owner) (struct dma_desc *p);
286 void (*set_rx_owner) (struct dma_desc *p);
287 /* Get the receive frame size */
288 int (*get_rx_frame_len) (struct dma_desc *p);
289 /* Return the reception status looking at the RDES1 */
290 int (*rx_status) (void *data, struct stmmac_extra_stats *x,
291 struct dma_desc *p);
292 /* Multicast filter setting */
293 void (*set_filter) (struct net_device *dev);
294 /* Flow control setting */
295 void (*flow_ctrl) (unsigned long ioaddr, unsigned int duplex,
296 unsigned int fc, unsigned int pause_time);
297 /* Set power management mode (e.g. magic frame) */
298 void (*pmt) (unsigned long ioaddr, unsigned long mode);
299 /* Set/Get Unicast MAC addresses */
300 void (*set_umac_addr) (unsigned long ioaddr, unsigned char *addr,
301 unsigned int reg_n);
302 void (*get_umac_addr) (unsigned long ioaddr, unsigned char *addr,
303 unsigned int reg_n);
304};
305
306struct mac_link {
307 int port;
308 int duplex;
309 int speed;
310};
311
312struct mii_regs {
313 unsigned int addr; /* MII Address */
314 unsigned int data; /* MII Data */
315};
316
317struct hw_cap {
318 unsigned int version; /* Core Version register (GMAC) */
319 unsigned int pmt; /* Power-Down mode (GMAC) */
320 struct mac_link link;
321 struct mii_regs mii;
322};
323
324struct mac_device_info {
325 struct hw_cap hw;
326 struct stmmac_ops *ops;
327};
328
329struct mac_device_info *gmac_setup(unsigned long addr);
330struct mac_device_info *mac100_setup(unsigned long addr);
diff --git a/drivers/net/stmmac/descs.h b/drivers/net/stmmac/descs.h
new file mode 100644
index 000000000000..6d2a0b2f5e57
--- /dev/null
+++ b/drivers/net/stmmac/descs.h
@@ -0,0 +1,163 @@
1/*******************************************************************************
2 Header File to describe the DMA descriptors
3 Use enhanced descriptors in case of GMAC Cores.
4
5 This program is free software; you can redistribute it and/or modify it
6 under the terms and conditions of the GNU General Public License,
7 version 2, as published by the Free Software Foundation.
8
9 This program is distributed in the hope it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 more details.
13
14 You should have received a copy of the GNU General Public License along with
15 this program; if not, write to the Free Software Foundation, Inc.,
16 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17
18 The full GNU General Public License is included in this distribution in
19 the file called "COPYING".
20
21 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
22*******************************************************************************/
23struct dma_desc {
24 /* Receive descriptor */
25 union {
26 struct {
27 /* RDES0 */
28 u32 reserved1:1;
29 u32 crc_error:1;
30 u32 dribbling:1;
31 u32 mii_error:1;
32 u32 receive_watchdog:1;
33 u32 frame_type:1;
34 u32 collision:1;
35 u32 frame_too_long:1;
36 u32 last_descriptor:1;
37 u32 first_descriptor:1;
38 u32 multicast_frame:1;
39 u32 run_frame:1;
40 u32 length_error:1;
41 u32 partial_frame_error:1;
42 u32 descriptor_error:1;
43 u32 error_summary:1;
44 u32 frame_length:14;
45 u32 filtering_fail:1;
46 u32 own:1;
47 /* RDES1 */
48 u32 buffer1_size:11;
49 u32 buffer2_size:11;
50 u32 reserved2:2;
51 u32 second_address_chained:1;
52 u32 end_ring:1;
53 u32 reserved3:5;
54 u32 disable_ic:1;
55 } rx;
56 struct {
57 /* RDES0 */
58 u32 payload_csum_error:1;
59 u32 crc_error:1;
60 u32 dribbling:1;
61 u32 error_gmii:1;
62 u32 receive_watchdog:1;
63 u32 frame_type:1;
64 u32 late_collision:1;
65 u32 ipc_csum_error:1;
66 u32 last_descriptor:1;
67 u32 first_descriptor:1;
68 u32 vlan_tag:1;
69 u32 overflow_error:1;
70 u32 length_error:1;
71 u32 sa_filter_fail:1;
72 u32 descriptor_error:1;
73 u32 error_summary:1;
74 u32 frame_length:14;
75 u32 da_filter_fail:1;
76 u32 own:1;
77 /* RDES1 */
78 u32 buffer1_size:13;
79 u32 reserved1:1;
80 u32 second_address_chained:1;
81 u32 end_ring:1;
82 u32 buffer2_size:13;
83 u32 reserved2:2;
84 u32 disable_ic:1;
85 } erx; /* -- enhanced -- */
86
87 /* Transmit descriptor */
88 struct {
89 /* TDES0 */
90 u32 deferred:1;
91 u32 underflow_error:1;
92 u32 excessive_deferral:1;
93 u32 collision_count:4;
94 u32 heartbeat_fail:1;
95 u32 excessive_collisions:1;
96 u32 late_collision:1;
97 u32 no_carrier:1;
98 u32 loss_carrier:1;
99 u32 reserved1:3;
100 u32 error_summary:1;
101 u32 reserved2:15;
102 u32 own:1;
103 /* TDES1 */
104 u32 buffer1_size:11;
105 u32 buffer2_size:11;
106 u32 reserved3:1;
107 u32 disable_padding:1;
108 u32 second_address_chained:1;
109 u32 end_ring:1;
110 u32 crc_disable:1;
111 u32 reserved4:2;
112 u32 first_segment:1;
113 u32 last_segment:1;
114 u32 interrupt:1;
115 } tx;
116 struct {
117 /* TDES0 */
118 u32 deferred:1;
119 u32 underflow_error:1;
120 u32 excessive_deferral:1;
121 u32 collision_count:4;
122 u32 vlan_frame:1;
123 u32 excessive_collisions:1;
124 u32 late_collision:1;
125 u32 no_carrier:1;
126 u32 loss_carrier:1;
127 u32 payload_error:1;
128 u32 frame_flushed:1;
129 u32 jabber_timeout:1;
130 u32 error_summary:1;
131 u32 ip_header_error:1;
132 u32 time_stamp_status:1;
133 u32 reserved1:2;
134 u32 second_address_chained:1;
135 u32 end_ring:1;
136 u32 checksum_insertion:2;
137 u32 reserved2:1;
138 u32 time_stamp_enable:1;
139 u32 disable_padding:1;
140 u32 crc_disable:1;
141 u32 first_segment:1;
142 u32 last_segment:1;
143 u32 interrupt:1;
144 u32 own:1;
145 /* TDES1 */
146 u32 buffer1_size:13;
147 u32 reserved3:3;
148 u32 buffer2_size:13;
149 u32 reserved4:3;
150 } etx; /* -- enhanced -- */
151 } des01;
152 unsigned int des2;
153 unsigned int des3;
154};
155
156/* Transmit checksum insertion control */
157enum tdes_csum_insertion {
158 cic_disabled = 0, /* Checksum Insertion Control */
159 cic_only_ip = 1, /* Only IP header */
160 cic_no_pseudoheader = 2, /* IP header but pseudoheader
161 * is not calculated */
162 cic_full = 3, /* IP header and pseudoheader */
163};
diff --git a/drivers/net/stmmac/gmac.c b/drivers/net/stmmac/gmac.c
new file mode 100644
index 000000000000..b624bb5bae0a
--- /dev/null
+++ b/drivers/net/stmmac/gmac.c
@@ -0,0 +1,693 @@
1/*******************************************************************************
2 This is the driver for the GMAC on-chip Ethernet controller for ST SoCs.
3 DWC Ether MAC 10/100/1000 Universal version 3.41a has been used for
4 developing this code.
5
6 Copyright (C) 2007-2009 STMicroelectronics Ltd
7
8 This program is free software; you can redistribute it and/or modify it
9 under the terms and conditions of the GNU General Public License,
10 version 2, as published by the Free Software Foundation.
11
12 This program is distributed in the hope it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 more details.
16
17 You should have received a copy of the GNU General Public License along with
18 this program; if not, write to the Free Software Foundation, Inc.,
19 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
20
21 The full GNU General Public License is included in this distribution in
22 the file called "COPYING".
23
24 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
25*******************************************************************************/
26
27#include <linux/netdevice.h>
28#include <linux/crc32.h>
29#include <linux/mii.h>
30#include <linux/phy.h>
31
32#include "stmmac.h"
33#include "gmac.h"
34
35#undef GMAC_DEBUG
36/*#define GMAC_DEBUG*/
37#undef FRAME_FILTER_DEBUG
38/*#define FRAME_FILTER_DEBUG*/
39#ifdef GMAC_DEBUG
40#define DBG(fmt, args...) printk(fmt, ## args)
41#else
42#define DBG(fmt, args...) do { } while (0)
43#endif
44
45static void gmac_dump_regs(unsigned long ioaddr)
46{
47 int i;
48 pr_info("\t----------------------------------------------\n"
49 "\t GMAC registers (base addr = 0x%8x)\n"
50 "\t----------------------------------------------\n",
51 (unsigned int)ioaddr);
52
53 for (i = 0; i < 55; i++) {
54 int offset = i * 4;
55 pr_info("\tReg No. %d (offset 0x%x): 0x%08x\n", i,
56 offset, readl(ioaddr + offset));
57 }
58 return;
59}
60
61static int gmac_dma_init(unsigned long ioaddr, int pbl, u32 dma_tx, u32 dma_rx)
62{
63 u32 value = readl(ioaddr + DMA_BUS_MODE);
64 /* DMA SW reset */
65 value |= DMA_BUS_MODE_SFT_RESET;
66 writel(value, ioaddr + DMA_BUS_MODE);
67 do {} while ((readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET));
68
69 value = /* DMA_BUS_MODE_FB | */ DMA_BUS_MODE_4PBL |
70 ((pbl << DMA_BUS_MODE_PBL_SHIFT) |
71 (pbl << DMA_BUS_MODE_RPBL_SHIFT));
72
73#ifdef CONFIG_STMMAC_DA
74 value |= DMA_BUS_MODE_DA; /* Rx has priority over tx */
75#endif
76 writel(value, ioaddr + DMA_BUS_MODE);
77
78 /* Mask interrupts by writing to CSR7 */
79 writel(DMA_INTR_DEFAULT_MASK, ioaddr + DMA_INTR_ENA);
80
81 /* The base address of the RX/TX descriptor lists must be written into
82 * DMA CSR3 and CSR4, respectively. */
83 writel(dma_tx, ioaddr + DMA_TX_BASE_ADDR);
84 writel(dma_rx, ioaddr + DMA_RCV_BASE_ADDR);
85
86 return 0;
87}
88
89/* Transmit FIFO flush operation */
90static void gmac_flush_tx_fifo(unsigned long ioaddr)
91{
92 u32 csr6 = readl(ioaddr + DMA_CONTROL);
93 writel((csr6 | DMA_CONTROL_FTF), ioaddr + DMA_CONTROL);
94
95 do {} while ((readl(ioaddr + DMA_CONTROL) & DMA_CONTROL_FTF));
96}
97
98static void gmac_dma_operation_mode(unsigned long ioaddr, int txmode,
99 int rxmode)
100{
101 u32 csr6 = readl(ioaddr + DMA_CONTROL);
102
103 if (txmode == SF_DMA_MODE) {
104 DBG(KERN_DEBUG "GMAC: enabling TX store and forward mode\n");
105 /* Transmit COE type 2 cannot be done in cut-through mode. */
106 csr6 |= DMA_CONTROL_TSF;
107 /* Operating on second frame increase the performance
108 * especially when transmit store-and-forward is used.*/
109 csr6 |= DMA_CONTROL_OSF;
110 } else {
111 DBG(KERN_DEBUG "GMAC: disabling TX store and forward mode"
112 " (threshold = %d)\n", txmode);
113 csr6 &= ~DMA_CONTROL_TSF;
114 csr6 &= DMA_CONTROL_TC_TX_MASK;
115 /* Set the transmit threashold */
116 if (txmode <= 32)
117 csr6 |= DMA_CONTROL_TTC_32;
118 else if (txmode <= 64)
119 csr6 |= DMA_CONTROL_TTC_64;
120 else if (txmode <= 128)
121 csr6 |= DMA_CONTROL_TTC_128;
122 else if (txmode <= 192)
123 csr6 |= DMA_CONTROL_TTC_192;
124 else
125 csr6 |= DMA_CONTROL_TTC_256;
126 }
127
128 if (rxmode == SF_DMA_MODE) {
129 DBG(KERN_DEBUG "GMAC: enabling RX store and forward mode\n");
130 csr6 |= DMA_CONTROL_RSF;
131 } else {
132 DBG(KERN_DEBUG "GMAC: disabling RX store and forward mode"
133 " (threshold = %d)\n", rxmode);
134 csr6 &= ~DMA_CONTROL_RSF;
135 csr6 &= DMA_CONTROL_TC_RX_MASK;
136 if (rxmode <= 32)
137 csr6 |= DMA_CONTROL_RTC_32;
138 else if (rxmode <= 64)
139 csr6 |= DMA_CONTROL_RTC_64;
140 else if (rxmode <= 96)
141 csr6 |= DMA_CONTROL_RTC_96;
142 else
143 csr6 |= DMA_CONTROL_RTC_128;
144 }
145
146 writel(csr6, ioaddr + DMA_CONTROL);
147 return;
148}
149
150/* Not yet implemented --- no RMON module */
151static void gmac_dma_diagnostic_fr(void *data, struct stmmac_extra_stats *x,
152 unsigned long ioaddr)
153{
154 return;
155}
156
157static void gmac_dump_dma_regs(unsigned long ioaddr)
158{
159 int i;
160 pr_info(" DMA registers\n");
161 for (i = 0; i < 22; i++) {
162 if ((i < 9) || (i > 17)) {
163 int offset = i * 4;
164 pr_err("\t Reg No. %d (offset 0x%x): 0x%08x\n", i,
165 (DMA_BUS_MODE + offset),
166 readl(ioaddr + DMA_BUS_MODE + offset));
167 }
168 }
169 return;
170}
171
172static int gmac_get_tx_frame_status(void *data, struct stmmac_extra_stats *x,
173 struct dma_desc *p, unsigned long ioaddr)
174{
175 int ret = 0;
176 struct net_device_stats *stats = (struct net_device_stats *)data;
177
178 if (unlikely(p->des01.etx.error_summary)) {
179 DBG(KERN_ERR "GMAC TX error... 0x%08x\n", p->des01.etx);
180 if (unlikely(p->des01.etx.jabber_timeout)) {
181 DBG(KERN_ERR "\tjabber_timeout error\n");
182 x->tx_jabber++;
183 }
184
185 if (unlikely(p->des01.etx.frame_flushed)) {
186 DBG(KERN_ERR "\tframe_flushed error\n");
187 x->tx_frame_flushed++;
188 gmac_flush_tx_fifo(ioaddr);
189 }
190
191 if (unlikely(p->des01.etx.loss_carrier)) {
192 DBG(KERN_ERR "\tloss_carrier error\n");
193 x->tx_losscarrier++;
194 stats->tx_carrier_errors++;
195 }
196 if (unlikely(p->des01.etx.no_carrier)) {
197 DBG(KERN_ERR "\tno_carrier error\n");
198 x->tx_carrier++;
199 stats->tx_carrier_errors++;
200 }
201 if (unlikely(p->des01.etx.late_collision)) {
202 DBG(KERN_ERR "\tlate_collision error\n");
203 stats->collisions += p->des01.etx.collision_count;
204 }
205 if (unlikely(p->des01.etx.excessive_collisions)) {
206 DBG(KERN_ERR "\texcessive_collisions\n");
207 stats->collisions += p->des01.etx.collision_count;
208 }
209 if (unlikely(p->des01.etx.excessive_deferral)) {
210 DBG(KERN_INFO "\texcessive tx_deferral\n");
211 x->tx_deferred++;
212 }
213
214 if (unlikely(p->des01.etx.underflow_error)) {
215 DBG(KERN_ERR "\tunderflow error\n");
216 gmac_flush_tx_fifo(ioaddr);
217 x->tx_underflow++;
218 }
219
220 if (unlikely(p->des01.etx.ip_header_error)) {
221 DBG(KERN_ERR "\tTX IP header csum error\n");
222 x->tx_ip_header_error++;
223 }
224
225 if (unlikely(p->des01.etx.payload_error)) {
226 DBG(KERN_ERR "\tAddr/Payload csum error\n");
227 x->tx_payload_error++;
228 gmac_flush_tx_fifo(ioaddr);
229 }
230
231 ret = -1;
232 }
233
234 if (unlikely(p->des01.etx.deferred)) {
235 DBG(KERN_INFO "GMAC TX status: tx deferred\n");
236 x->tx_deferred++;
237 }
238#ifdef STMMAC_VLAN_TAG_USED
239 if (p->des01.etx.vlan_frame) {
240 DBG(KERN_INFO "GMAC TX status: VLAN frame\n");
241 x->tx_vlan++;
242 }
243#endif
244
245 return ret;
246}
247
248static int gmac_get_tx_len(struct dma_desc *p)
249{
250 return p->des01.etx.buffer1_size;
251}
252
253static int gmac_coe_rdes0(int ipc_err, int type, int payload_err)
254{
255 int ret = good_frame;
256 u32 status = (type << 2 | ipc_err << 1 | payload_err) & 0x7;
257
258 /* bits 5 7 0 | Frame status
259 * ----------------------------------------------------------
260 * 0 0 0 | IEEE 802.3 Type frame (lenght < 1536 octects)
261 * 1 0 0 | IPv4/6 No CSUM errorS.
262 * 1 0 1 | IPv4/6 CSUM PAYLOAD error
263 * 1 1 0 | IPv4/6 CSUM IP HR error
264 * 1 1 1 | IPv4/6 IP PAYLOAD AND HEADER errorS
265 * 0 0 1 | IPv4/6 unsupported IP PAYLOAD
266 * 0 1 1 | COE bypassed.. no IPv4/6 frame
267 * 0 1 0 | Reserved.
268 */
269 if (status == 0x0) {
270 DBG(KERN_INFO "RX Des0 status: IEEE 802.3 Type frame.\n");
271 ret = good_frame;
272 } else if (status == 0x4) {
273 DBG(KERN_INFO "RX Des0 status: IPv4/6 No CSUM errorS.\n");
274 ret = good_frame;
275 } else if (status == 0x5) {
276 DBG(KERN_ERR "RX Des0 status: IPv4/6 Payload Error.\n");
277 ret = csum_none;
278 } else if (status == 0x6) {
279 DBG(KERN_ERR "RX Des0 status: IPv4/6 Header Error.\n");
280 ret = csum_none;
281 } else if (status == 0x7) {
282 DBG(KERN_ERR
283 "RX Des0 status: IPv4/6 Header and Payload Error.\n");
284 ret = csum_none;
285 } else if (status == 0x1) {
286 DBG(KERN_ERR
287 "RX Des0 status: IPv4/6 unsupported IP PAYLOAD.\n");
288 ret = discard_frame;
289 } else if (status == 0x3) {
290 DBG(KERN_ERR "RX Des0 status: No IPv4, IPv6 frame.\n");
291 ret = discard_frame;
292 }
293 return ret;
294}
295
296static int gmac_get_rx_frame_status(void *data, struct stmmac_extra_stats *x,
297 struct dma_desc *p)
298{
299 int ret = good_frame;
300 struct net_device_stats *stats = (struct net_device_stats *)data;
301
302 if (unlikely(p->des01.erx.error_summary)) {
303 DBG(KERN_ERR "GMAC RX Error Summary... 0x%08x\n", p->des01.erx);
304 if (unlikely(p->des01.erx.descriptor_error)) {
305 DBG(KERN_ERR "\tdescriptor error\n");
306 x->rx_desc++;
307 stats->rx_length_errors++;
308 }
309 if (unlikely(p->des01.erx.overflow_error)) {
310 DBG(KERN_ERR "\toverflow error\n");
311 x->rx_gmac_overflow++;
312 }
313
314 if (unlikely(p->des01.erx.ipc_csum_error))
315 DBG(KERN_ERR "\tIPC Csum Error/Giant frame\n");
316
317 if (unlikely(p->des01.erx.late_collision)) {
318 DBG(KERN_ERR "\tlate_collision error\n");
319 stats->collisions++;
320 stats->collisions++;
321 }
322 if (unlikely(p->des01.erx.receive_watchdog)) {
323 DBG(KERN_ERR "\treceive_watchdog error\n");
324 x->rx_watchdog++;
325 }
326 if (unlikely(p->des01.erx.error_gmii)) {
327 DBG(KERN_ERR "\tReceive Error\n");
328 x->rx_mii++;
329 }
330 if (unlikely(p->des01.erx.crc_error)) {
331 DBG(KERN_ERR "\tCRC error\n");
332 x->rx_crc++;
333 stats->rx_crc_errors++;
334 }
335 ret = discard_frame;
336 }
337
338 /* After a payload csum error, the ES bit is set.
339 * It doesn't match with the information reported into the databook.
340 * At any rate, we need to understand if the CSUM hw computation is ok
341 * and report this info to the upper layers. */
342 ret = gmac_coe_rdes0(p->des01.erx.ipc_csum_error,
343 p->des01.erx.frame_type, p->des01.erx.payload_csum_error);
344
345 if (unlikely(p->des01.erx.dribbling)) {
346 DBG(KERN_ERR "GMAC RX: dribbling error\n");
347 ret = discard_frame;
348 }
349 if (unlikely(p->des01.erx.sa_filter_fail)) {
350 DBG(KERN_ERR "GMAC RX : Source Address filter fail\n");
351 x->sa_rx_filter_fail++;
352 ret = discard_frame;
353 }
354 if (unlikely(p->des01.erx.da_filter_fail)) {
355 DBG(KERN_ERR "GMAC RX : Destination Address filter fail\n");
356 x->da_rx_filter_fail++;
357 ret = discard_frame;
358 }
359 if (unlikely(p->des01.erx.length_error)) {
360 DBG(KERN_ERR "GMAC RX: length_error error\n");
361 x->rx_lenght++;
362 ret = discard_frame;
363 }
364#ifdef STMMAC_VLAN_TAG_USED
365 if (p->des01.erx.vlan_tag) {
366 DBG(KERN_INFO "GMAC RX: VLAN frame tagged\n");
367 x->rx_vlan++;
368 }
369#endif
370 return ret;
371}
372
373static void gmac_irq_status(unsigned long ioaddr)
374{
375 u32 intr_status = readl(ioaddr + GMAC_INT_STATUS);
376
377 /* Not used events (e.g. MMC interrupts) are not handled. */
378 if ((intr_status & mmc_tx_irq))
379 DBG(KERN_DEBUG "GMAC: MMC tx interrupt: 0x%08x\n",
380 readl(ioaddr + GMAC_MMC_TX_INTR));
381 if (unlikely(intr_status & mmc_rx_irq))
382 DBG(KERN_DEBUG "GMAC: MMC rx interrupt: 0x%08x\n",
383 readl(ioaddr + GMAC_MMC_RX_INTR));
384 if (unlikely(intr_status & mmc_rx_csum_offload_irq))
385 DBG(KERN_DEBUG "GMAC: MMC rx csum offload: 0x%08x\n",
386 readl(ioaddr + GMAC_MMC_RX_CSUM_OFFLOAD));
387 if (unlikely(intr_status & pmt_irq)) {
388 DBG(KERN_DEBUG "GMAC: received Magic frame\n");
389 /* clear the PMT bits 5 and 6 by reading the PMT
390 * status register. */
391 readl(ioaddr + GMAC_PMT);
392 }
393
394 return;
395}
396
397static void gmac_core_init(unsigned long ioaddr)
398{
399 u32 value = readl(ioaddr + GMAC_CONTROL);
400 value |= GMAC_CORE_INIT;
401 writel(value, ioaddr + GMAC_CONTROL);
402
403 /* STBus Bridge Configuration */
404 /*writel(0xc5608, ioaddr + 0x00007000);*/
405
406 /* Freeze MMC counters */
407 writel(0x8, ioaddr + GMAC_MMC_CTRL);
408 /* Mask GMAC interrupts */
409 writel(0x207, ioaddr + GMAC_INT_MASK);
410
411#ifdef STMMAC_VLAN_TAG_USED
412 /* Tag detection without filtering */
413 writel(0x0, ioaddr + GMAC_VLAN_TAG);
414#endif
415 return;
416}
417
418static void gmac_set_umac_addr(unsigned long ioaddr, unsigned char *addr,
419 unsigned int reg_n)
420{
421 stmmac_set_mac_addr(ioaddr, addr, GMAC_ADDR_HIGH(reg_n),
422 GMAC_ADDR_LOW(reg_n));
423}
424
425static void gmac_get_umac_addr(unsigned long ioaddr, unsigned char *addr,
426 unsigned int reg_n)
427{
428 stmmac_get_mac_addr(ioaddr, addr, GMAC_ADDR_HIGH(reg_n),
429 GMAC_ADDR_LOW(reg_n));
430}
431
432static void gmac_set_filter(struct net_device *dev)
433{
434 unsigned long ioaddr = dev->base_addr;
435 unsigned int value = 0;
436
437 DBG(KERN_INFO "%s: # mcasts %d, # unicast %d\n",
438 __func__, dev->mc_count, dev->uc_count);
439
440 if (dev->flags & IFF_PROMISC)
441 value = GMAC_FRAME_FILTER_PR;
442 else if ((dev->mc_count > HASH_TABLE_SIZE)
443 || (dev->flags & IFF_ALLMULTI)) {
444 value = GMAC_FRAME_FILTER_PM; /* pass all multi */
445 writel(0xffffffff, ioaddr + GMAC_HASH_HIGH);
446 writel(0xffffffff, ioaddr + GMAC_HASH_LOW);
447 } else if (dev->mc_count > 0) {
448 int i;
449 u32 mc_filter[2];
450 struct dev_mc_list *mclist;
451
452 /* Hash filter for multicast */
453 value = GMAC_FRAME_FILTER_HMC;
454
455 memset(mc_filter, 0, sizeof(mc_filter));
456 for (i = 0, mclist = dev->mc_list;
457 mclist && i < dev->mc_count; i++, mclist = mclist->next) {
458 /* The upper 6 bits of the calculated CRC are used to
459 index the contens of the hash table */
460 int bit_nr =
461 bitrev32(~crc32_le(~0, mclist->dmi_addr, 6)) >> 26;
462 /* The most significant bit determines the register to
463 * use (H/L) while the other 5 bits determine the bit
464 * within the register. */
465 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
466 }
467 writel(mc_filter[0], ioaddr + GMAC_HASH_LOW);
468 writel(mc_filter[1], ioaddr + GMAC_HASH_HIGH);
469 }
470
471 /* Handle multiple unicast addresses (perfect filtering)*/
472 if (dev->uc_count > GMAC_MAX_UNICAST_ADDRESSES)
473 /* Switch to promiscuous mode is more than 16 addrs
474 are required */
475 value |= GMAC_FRAME_FILTER_PR;
476 else {
477 int i;
478 struct dev_addr_list *uc_ptr = dev->uc_list;
479
480 for (i = 0; i < dev->uc_count; i++) {
481 gmac_set_umac_addr(ioaddr, uc_ptr->da_addr,
482 i + 1);
483
484 DBG(KERN_INFO "\t%d "
485 "- Unicast addr %02x:%02x:%02x:%02x:%02x:"
486 "%02x\n", i + 1,
487 uc_ptr->da_addr[0], uc_ptr->da_addr[1],
488 uc_ptr->da_addr[2], uc_ptr->da_addr[3],
489 uc_ptr->da_addr[4], uc_ptr->da_addr[5]);
490 uc_ptr = uc_ptr->next;
491 }
492 }
493
494#ifdef FRAME_FILTER_DEBUG
495 /* Enable Receive all mode (to debug filtering_fail errors) */
496 value |= GMAC_FRAME_FILTER_RA;
497#endif
498 writel(value, ioaddr + GMAC_FRAME_FILTER);
499
500 DBG(KERN_INFO "\tFrame Filter reg: 0x%08x\n\tHash regs: "
501 "HI 0x%08x, LO 0x%08x\n", readl(ioaddr + GMAC_FRAME_FILTER),
502 readl(ioaddr + GMAC_HASH_HIGH), readl(ioaddr + GMAC_HASH_LOW));
503
504 return;
505}
506
507static void gmac_flow_ctrl(unsigned long ioaddr, unsigned int duplex,
508 unsigned int fc, unsigned int pause_time)
509{
510 unsigned int flow = 0;
511
512 DBG(KERN_DEBUG "GMAC Flow-Control:\n");
513 if (fc & FLOW_RX) {
514 DBG(KERN_DEBUG "\tReceive Flow-Control ON\n");
515 flow |= GMAC_FLOW_CTRL_RFE;
516 }
517 if (fc & FLOW_TX) {
518 DBG(KERN_DEBUG "\tTransmit Flow-Control ON\n");
519 flow |= GMAC_FLOW_CTRL_TFE;
520 }
521
522 if (duplex) {
523 DBG(KERN_DEBUG "\tduplex mode: pause time: %d\n", pause_time);
524 flow |= (pause_time << GMAC_FLOW_CTRL_PT_SHIFT);
525 }
526
527 writel(flow, ioaddr + GMAC_FLOW_CTRL);
528 return;
529}
530
531static void gmac_pmt(unsigned long ioaddr, unsigned long mode)
532{
533 unsigned int pmt = 0;
534
535 if (mode == WAKE_MAGIC) {
536 DBG(KERN_DEBUG "GMAC: WOL Magic frame\n");
537 pmt |= power_down | magic_pkt_en;
538 } else if (mode == WAKE_UCAST) {
539 DBG(KERN_DEBUG "GMAC: WOL on global unicast\n");
540 pmt |= global_unicast;
541 }
542
543 writel(pmt, ioaddr + GMAC_PMT);
544 return;
545}
546
547static void gmac_init_rx_desc(struct dma_desc *p, unsigned int ring_size,
548 int disable_rx_ic)
549{
550 int i;
551 for (i = 0; i < ring_size; i++) {
552 p->des01.erx.own = 1;
553 p->des01.erx.buffer1_size = BUF_SIZE_8KiB - 1;
554 /* To support jumbo frames */
555 p->des01.erx.buffer2_size = BUF_SIZE_8KiB - 1;
556 if (i == ring_size - 1)
557 p->des01.erx.end_ring = 1;
558 if (disable_rx_ic)
559 p->des01.erx.disable_ic = 1;
560 p++;
561 }
562 return;
563}
564
565static void gmac_init_tx_desc(struct dma_desc *p, unsigned int ring_size)
566{
567 int i;
568
569 for (i = 0; i < ring_size; i++) {
570 p->des01.etx.own = 0;
571 if (i == ring_size - 1)
572 p->des01.etx.end_ring = 1;
573 p++;
574 }
575
576 return;
577}
578
579static int gmac_get_tx_owner(struct dma_desc *p)
580{
581 return p->des01.etx.own;
582}
583
584static int gmac_get_rx_owner(struct dma_desc *p)
585{
586 return p->des01.erx.own;
587}
588
589static void gmac_set_tx_owner(struct dma_desc *p)
590{
591 p->des01.etx.own = 1;
592}
593
594static void gmac_set_rx_owner(struct dma_desc *p)
595{
596 p->des01.erx.own = 1;
597}
598
599static int gmac_get_tx_ls(struct dma_desc *p)
600{
601 return p->des01.etx.last_segment;
602}
603
604static void gmac_release_tx_desc(struct dma_desc *p)
605{
606 int ter = p->des01.etx.end_ring;
607
608 memset(p, 0, sizeof(struct dma_desc));
609 p->des01.etx.end_ring = ter;
610
611 return;
612}
613
614static void gmac_prepare_tx_desc(struct dma_desc *p, int is_fs, int len,
615 int csum_flag)
616{
617 p->des01.etx.first_segment = is_fs;
618 if (unlikely(len > BUF_SIZE_4KiB)) {
619 p->des01.etx.buffer1_size = BUF_SIZE_4KiB;
620 p->des01.etx.buffer2_size = len - BUF_SIZE_4KiB;
621 } else {
622 p->des01.etx.buffer1_size = len;
623 }
624 if (likely(csum_flag))
625 p->des01.etx.checksum_insertion = cic_full;
626}
627
628static void gmac_clear_tx_ic(struct dma_desc *p)
629{
630 p->des01.etx.interrupt = 0;
631}
632
633static void gmac_close_tx_desc(struct dma_desc *p)
634{
635 p->des01.etx.last_segment = 1;
636 p->des01.etx.interrupt = 1;
637}
638
639static int gmac_get_rx_frame_len(struct dma_desc *p)
640{
641 return p->des01.erx.frame_length;
642}
643
644struct stmmac_ops gmac_driver = {
645 .core_init = gmac_core_init,
646 .dump_mac_regs = gmac_dump_regs,
647 .dma_init = gmac_dma_init,
648 .dump_dma_regs = gmac_dump_dma_regs,
649 .dma_mode = gmac_dma_operation_mode,
650 .dma_diagnostic_fr = gmac_dma_diagnostic_fr,
651 .tx_status = gmac_get_tx_frame_status,
652 .rx_status = gmac_get_rx_frame_status,
653 .get_tx_len = gmac_get_tx_len,
654 .set_filter = gmac_set_filter,
655 .flow_ctrl = gmac_flow_ctrl,
656 .pmt = gmac_pmt,
657 .init_rx_desc = gmac_init_rx_desc,
658 .init_tx_desc = gmac_init_tx_desc,
659 .get_tx_owner = gmac_get_tx_owner,
660 .get_rx_owner = gmac_get_rx_owner,
661 .release_tx_desc = gmac_release_tx_desc,
662 .prepare_tx_desc = gmac_prepare_tx_desc,
663 .clear_tx_ic = gmac_clear_tx_ic,
664 .close_tx_desc = gmac_close_tx_desc,
665 .get_tx_ls = gmac_get_tx_ls,
666 .set_tx_owner = gmac_set_tx_owner,
667 .set_rx_owner = gmac_set_rx_owner,
668 .get_rx_frame_len = gmac_get_rx_frame_len,
669 .host_irq_status = gmac_irq_status,
670 .set_umac_addr = gmac_set_umac_addr,
671 .get_umac_addr = gmac_get_umac_addr,
672};
673
674struct mac_device_info *gmac_setup(unsigned long ioaddr)
675{
676 struct mac_device_info *mac;
677 u32 uid = readl(ioaddr + GMAC_VERSION);
678
679 pr_info("\tGMAC - user ID: 0x%x, Synopsys ID: 0x%x\n",
680 ((uid & 0x0000ff00) >> 8), (uid & 0x000000ff));
681
682 mac = kzalloc(sizeof(const struct mac_device_info), GFP_KERNEL);
683
684 mac->ops = &gmac_driver;
685 mac->hw.pmt = PMT_SUPPORTED;
686 mac->hw.link.port = GMAC_CONTROL_PS;
687 mac->hw.link.duplex = GMAC_CONTROL_DM;
688 mac->hw.link.speed = GMAC_CONTROL_FES;
689 mac->hw.mii.addr = GMAC_MII_ADDR;
690 mac->hw.mii.data = GMAC_MII_DATA;
691
692 return mac;
693}
diff --git a/drivers/net/stmmac/gmac.h b/drivers/net/stmmac/gmac.h
new file mode 100644
index 000000000000..684a363120a9
--- /dev/null
+++ b/drivers/net/stmmac/gmac.h
@@ -0,0 +1,204 @@
1/*******************************************************************************
2 Copyright (C) 2007-2009 STMicroelectronics Ltd
3
4 This program is free software; you can redistribute it and/or modify it
5 under the terms and conditions of the GNU General Public License,
6 version 2, as published by the Free Software Foundation.
7
8 This program is distributed in the hope it will be useful, but WITHOUT
9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 more details.
12
13 You should have received a copy of the GNU General Public License along with
14 this program; if not, write to the Free Software Foundation, Inc.,
15 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
16
17 The full GNU General Public License is included in this distribution in
18 the file called "COPYING".
19
20 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
21*******************************************************************************/
22
23#define GMAC_CONTROL 0x00000000 /* Configuration */
24#define GMAC_FRAME_FILTER 0x00000004 /* Frame Filter */
25#define GMAC_HASH_HIGH 0x00000008 /* Multicast Hash Table High */
26#define GMAC_HASH_LOW 0x0000000c /* Multicast Hash Table Low */
27#define GMAC_MII_ADDR 0x00000010 /* MII Address */
28#define GMAC_MII_DATA 0x00000014 /* MII Data */
29#define GMAC_FLOW_CTRL 0x00000018 /* Flow Control */
30#define GMAC_VLAN_TAG 0x0000001c /* VLAN Tag */
31#define GMAC_VERSION 0x00000020 /* GMAC CORE Version */
32#define GMAC_WAKEUP_FILTER 0x00000028 /* Wake-up Frame Filter */
33
34#define GMAC_INT_STATUS 0x00000038 /* interrupt status register */
35enum gmac_irq_status {
36 time_stamp_irq = 0x0200,
37 mmc_rx_csum_offload_irq = 0x0080,
38 mmc_tx_irq = 0x0040,
39 mmc_rx_irq = 0x0020,
40 mmc_irq = 0x0010,
41 pmt_irq = 0x0008,
42 pcs_ane_irq = 0x0004,
43 pcs_link_irq = 0x0002,
44 rgmii_irq = 0x0001,
45};
46#define GMAC_INT_MASK 0x0000003c /* interrupt mask register */
47
48/* PMT Control and Status */
49#define GMAC_PMT 0x0000002c
50enum power_event {
51 pointer_reset = 0x80000000,
52 global_unicast = 0x00000200,
53 wake_up_rx_frame = 0x00000040,
54 magic_frame = 0x00000020,
55 wake_up_frame_en = 0x00000004,
56 magic_pkt_en = 0x00000002,
57 power_down = 0x00000001,
58};
59
60/* GMAC HW ADDR regs */
61#define GMAC_ADDR_HIGH(reg) (0x00000040+(reg * 8))
62#define GMAC_ADDR_LOW(reg) (0x00000044+(reg * 8))
63#define GMAC_MAX_UNICAST_ADDRESSES 16
64
65#define GMAC_AN_CTRL 0x000000c0 /* AN control */
66#define GMAC_AN_STATUS 0x000000c4 /* AN status */
67#define GMAC_ANE_ADV 0x000000c8 /* Auto-Neg. Advertisement */
68#define GMAC_ANE_LINK 0x000000cc /* Auto-Neg. link partener ability */
69#define GMAC_ANE_EXP 0x000000d0 /* ANE expansion */
70#define GMAC_TBI 0x000000d4 /* TBI extend status */
71#define GMAC_GMII_STATUS 0x000000d8 /* S/R-GMII status */
72
73/* GMAC Configuration defines */
74#define GMAC_CONTROL_TC 0x01000000 /* Transmit Conf. in RGMII/SGMII */
75#define GMAC_CONTROL_WD 0x00800000 /* Disable Watchdog on receive */
76#define GMAC_CONTROL_JD 0x00400000 /* Jabber disable */
77#define GMAC_CONTROL_BE 0x00200000 /* Frame Burst Enable */
78#define GMAC_CONTROL_JE 0x00100000 /* Jumbo frame */
79enum inter_frame_gap {
80 GMAC_CONTROL_IFG_88 = 0x00040000,
81 GMAC_CONTROL_IFG_80 = 0x00020000,
82 GMAC_CONTROL_IFG_40 = 0x000e0000,
83};
84#define GMAC_CONTROL_DCRS 0x00010000 /* Disable carrier sense during tx */
85#define GMAC_CONTROL_PS 0x00008000 /* Port Select 0:GMI 1:MII */
86#define GMAC_CONTROL_FES 0x00004000 /* Speed 0:10 1:100 */
87#define GMAC_CONTROL_DO 0x00002000 /* Disable Rx Own */
88#define GMAC_CONTROL_LM 0x00001000 /* Loop-back mode */
89#define GMAC_CONTROL_DM 0x00000800 /* Duplex Mode */
90#define GMAC_CONTROL_IPC 0x00000400 /* Checksum Offload */
91#define GMAC_CONTROL_DR 0x00000200 /* Disable Retry */
92#define GMAC_CONTROL_LUD 0x00000100 /* Link up/down */
93#define GMAC_CONTROL_ACS 0x00000080 /* Automatic Pad Stripping */
94#define GMAC_CONTROL_DC 0x00000010 /* Deferral Check */
95#define GMAC_CONTROL_TE 0x00000008 /* Transmitter Enable */
96#define GMAC_CONTROL_RE 0x00000004 /* Receiver Enable */
97
98#define GMAC_CORE_INIT (GMAC_CONTROL_JD | GMAC_CONTROL_PS | GMAC_CONTROL_ACS | \
99 GMAC_CONTROL_IPC | GMAC_CONTROL_JE | GMAC_CONTROL_BE)
100
101/* GMAC Frame Filter defines */
102#define GMAC_FRAME_FILTER_PR 0x00000001 /* Promiscuous Mode */
103#define GMAC_FRAME_FILTER_HUC 0x00000002 /* Hash Unicast */
104#define GMAC_FRAME_FILTER_HMC 0x00000004 /* Hash Multicast */
105#define GMAC_FRAME_FILTER_DAIF 0x00000008 /* DA Inverse Filtering */
106#define GMAC_FRAME_FILTER_PM 0x00000010 /* Pass all multicast */
107#define GMAC_FRAME_FILTER_DBF 0x00000020 /* Disable Broadcast frames */
108#define GMAC_FRAME_FILTER_SAIF 0x00000100 /* Inverse Filtering */
109#define GMAC_FRAME_FILTER_SAF 0x00000200 /* Source Address Filter */
110#define GMAC_FRAME_FILTER_HPF 0x00000400 /* Hash or perfect Filter */
111#define GMAC_FRAME_FILTER_RA 0x80000000 /* Receive all mode */
112/* GMII ADDR defines */
113#define GMAC_MII_ADDR_WRITE 0x00000002 /* MII Write */
114#define GMAC_MII_ADDR_BUSY 0x00000001 /* MII Busy */
115/* GMAC FLOW CTRL defines */
116#define GMAC_FLOW_CTRL_PT_MASK 0xffff0000 /* Pause Time Mask */
117#define GMAC_FLOW_CTRL_PT_SHIFT 16
118#define GMAC_FLOW_CTRL_RFE 0x00000004 /* Rx Flow Control Enable */
119#define GMAC_FLOW_CTRL_TFE 0x00000002 /* Tx Flow Control Enable */
120#define GMAC_FLOW_CTRL_FCB_BPA 0x00000001 /* Flow Control Busy ... */
121
122/*--- DMA BLOCK defines ---*/
123/* DMA Bus Mode register defines */
124#define DMA_BUS_MODE_SFT_RESET 0x00000001 /* Software Reset */
125#define DMA_BUS_MODE_DA 0x00000002 /* Arbitration scheme */
126#define DMA_BUS_MODE_DSL_MASK 0x0000007c /* Descriptor Skip Length */
127#define DMA_BUS_MODE_DSL_SHIFT 2 /* (in DWORDS) */
128/* Programmable burst length (passed thorugh platform)*/
129#define DMA_BUS_MODE_PBL_MASK 0x00003f00 /* Programmable Burst Len */
130#define DMA_BUS_MODE_PBL_SHIFT 8
131
132enum rx_tx_priority_ratio {
133 double_ratio = 0x00004000, /*2:1 */
134 triple_ratio = 0x00008000, /*3:1 */
135 quadruple_ratio = 0x0000c000, /*4:1 */
136};
137
138#define DMA_BUS_MODE_FB 0x00010000 /* Fixed burst */
139#define DMA_BUS_MODE_RPBL_MASK 0x003e0000 /* Rx-Programmable Burst Len */
140#define DMA_BUS_MODE_RPBL_SHIFT 17
141#define DMA_BUS_MODE_USP 0x00800000
142#define DMA_BUS_MODE_4PBL 0x01000000
143#define DMA_BUS_MODE_AAL 0x02000000
144
145/* DMA CRS Control and Status Register Mapping */
146#define DMA_HOST_TX_DESC 0x00001048 /* Current Host Tx descriptor */
147#define DMA_HOST_RX_DESC 0x0000104c /* Current Host Rx descriptor */
148/* DMA Bus Mode register defines */
149#define DMA_BUS_PR_RATIO_MASK 0x0000c000 /* Rx/Tx priority ratio */
150#define DMA_BUS_PR_RATIO_SHIFT 14
151#define DMA_BUS_FB 0x00010000 /* Fixed Burst */
152
153/* DMA operation mode defines (start/stop tx/rx are placed in common header)*/
154#define DMA_CONTROL_DT 0x04000000 /* Disable Drop TCP/IP csum error */
155#define DMA_CONTROL_RSF 0x02000000 /* Receive Store and Forward */
156#define DMA_CONTROL_DFF 0x01000000 /* Disaable flushing */
157/* Theshold for Activating the FC */
158enum rfa {
159 act_full_minus_1 = 0x00800000,
160 act_full_minus_2 = 0x00800200,
161 act_full_minus_3 = 0x00800400,
162 act_full_minus_4 = 0x00800600,
163};
164/* Theshold for Deactivating the FC */
165enum rfd {
166 deac_full_minus_1 = 0x00400000,
167 deac_full_minus_2 = 0x00400800,
168 deac_full_minus_3 = 0x00401000,
169 deac_full_minus_4 = 0x00401800,
170};
171#define DMA_CONTROL_TSF 0x00200000 /* Transmit Store and Forward */
172#define DMA_CONTROL_FTF 0x00100000 /* Flush transmit FIFO */
173
174enum ttc_control {
175 DMA_CONTROL_TTC_64 = 0x00000000,
176 DMA_CONTROL_TTC_128 = 0x00004000,
177 DMA_CONTROL_TTC_192 = 0x00008000,
178 DMA_CONTROL_TTC_256 = 0x0000c000,
179 DMA_CONTROL_TTC_40 = 0x00010000,
180 DMA_CONTROL_TTC_32 = 0x00014000,
181 DMA_CONTROL_TTC_24 = 0x00018000,
182 DMA_CONTROL_TTC_16 = 0x0001c000,
183};
184#define DMA_CONTROL_TC_TX_MASK 0xfffe3fff
185
186#define DMA_CONTROL_EFC 0x00000100
187#define DMA_CONTROL_FEF 0x00000080
188#define DMA_CONTROL_FUF 0x00000040
189
190enum rtc_control {
191 DMA_CONTROL_RTC_64 = 0x00000000,
192 DMA_CONTROL_RTC_32 = 0x00000008,
193 DMA_CONTROL_RTC_96 = 0x00000010,
194 DMA_CONTROL_RTC_128 = 0x00000018,
195};
196#define DMA_CONTROL_TC_RX_MASK 0xffffffe7
197
198#define DMA_CONTROL_OSF 0x00000004 /* Operate on second frame */
199
200/* MMC registers offset */
201#define GMAC_MMC_CTRL 0x100
202#define GMAC_MMC_RX_INTR 0x104
203#define GMAC_MMC_TX_INTR 0x108
204#define GMAC_MMC_RX_CSUM_OFFLOAD 0x208
diff --git a/drivers/net/stmmac/mac100.c b/drivers/net/stmmac/mac100.c
new file mode 100644
index 000000000000..625171b6062b
--- /dev/null
+++ b/drivers/net/stmmac/mac100.c
@@ -0,0 +1,517 @@
1/*******************************************************************************
2 This is the driver for the MAC 10/100 on-chip Ethernet controller
3 currently tested on all the ST boards based on STb7109 and stx7200 SoCs.
4
5 DWC Ether MAC 10/100 Universal version 4.0 has been used for developing
6 this code.
7
8 Copyright (C) 2007-2009 STMicroelectronics Ltd
9
10 This program is free software; you can redistribute it and/or modify it
11 under the terms and conditions of the GNU General Public License,
12 version 2, as published by the Free Software Foundation.
13
14 This program is distributed in the hope it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 more details.
18
19 You should have received a copy of the GNU General Public License along with
20 this program; if not, write to the Free Software Foundation, Inc.,
21 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
22
23 The full GNU General Public License is included in this distribution in
24 the file called "COPYING".
25
26 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
27*******************************************************************************/
28
29#include <linux/netdevice.h>
30#include <linux/crc32.h>
31#include <linux/mii.h>
32#include <linux/phy.h>
33
34#include "common.h"
35#include "mac100.h"
36
37#undef MAC100_DEBUG
38/*#define MAC100_DEBUG*/
39#ifdef MAC100_DEBUG
40#define DBG(fmt, args...) printk(fmt, ## args)
41#else
42#define DBG(fmt, args...) do { } while (0)
43#endif
44
45static void mac100_core_init(unsigned long ioaddr)
46{
47 u32 value = readl(ioaddr + MAC_CONTROL);
48
49 writel((value | MAC_CORE_INIT), ioaddr + MAC_CONTROL);
50
51#ifdef STMMAC_VLAN_TAG_USED
52 writel(ETH_P_8021Q, ioaddr + MAC_VLAN1);
53#endif
54 return;
55}
56
57static void mac100_dump_mac_regs(unsigned long ioaddr)
58{
59 pr_info("\t----------------------------------------------\n"
60 "\t MAC100 CSR (base addr = 0x%8x)\n"
61 "\t----------------------------------------------\n",
62 (unsigned int)ioaddr);
63 pr_info("\tcontrol reg (offset 0x%x): 0x%08x\n", MAC_CONTROL,
64 readl(ioaddr + MAC_CONTROL));
65 pr_info("\taddr HI (offset 0x%x): 0x%08x\n ", MAC_ADDR_HIGH,
66 readl(ioaddr + MAC_ADDR_HIGH));
67 pr_info("\taddr LO (offset 0x%x): 0x%08x\n", MAC_ADDR_LOW,
68 readl(ioaddr + MAC_ADDR_LOW));
69 pr_info("\tmulticast hash HI (offset 0x%x): 0x%08x\n",
70 MAC_HASH_HIGH, readl(ioaddr + MAC_HASH_HIGH));
71 pr_info("\tmulticast hash LO (offset 0x%x): 0x%08x\n",
72 MAC_HASH_LOW, readl(ioaddr + MAC_HASH_LOW));
73 pr_info("\tflow control (offset 0x%x): 0x%08x\n",
74 MAC_FLOW_CTRL, readl(ioaddr + MAC_FLOW_CTRL));
75 pr_info("\tVLAN1 tag (offset 0x%x): 0x%08x\n", MAC_VLAN1,
76 readl(ioaddr + MAC_VLAN1));
77 pr_info("\tVLAN2 tag (offset 0x%x): 0x%08x\n", MAC_VLAN2,
78 readl(ioaddr + MAC_VLAN2));
79 pr_info("\n\tMAC management counter registers\n");
80 pr_info("\t MMC crtl (offset 0x%x): 0x%08x\n",
81 MMC_CONTROL, readl(ioaddr + MMC_CONTROL));
82 pr_info("\t MMC High Interrupt (offset 0x%x): 0x%08x\n",
83 MMC_HIGH_INTR, readl(ioaddr + MMC_HIGH_INTR));
84 pr_info("\t MMC Low Interrupt (offset 0x%x): 0x%08x\n",
85 MMC_LOW_INTR, readl(ioaddr + MMC_LOW_INTR));
86 pr_info("\t MMC High Interrupt Mask (offset 0x%x): 0x%08x\n",
87 MMC_HIGH_INTR_MASK, readl(ioaddr + MMC_HIGH_INTR_MASK));
88 pr_info("\t MMC Low Interrupt Mask (offset 0x%x): 0x%08x\n",
89 MMC_LOW_INTR_MASK, readl(ioaddr + MMC_LOW_INTR_MASK));
90 return;
91}
92
93static int mac100_dma_init(unsigned long ioaddr, int pbl, u32 dma_tx,
94 u32 dma_rx)
95{
96 u32 value = readl(ioaddr + DMA_BUS_MODE);
97 /* DMA SW reset */
98 value |= DMA_BUS_MODE_SFT_RESET;
99 writel(value, ioaddr + DMA_BUS_MODE);
100 do {} while ((readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET));
101
102 /* Enable Application Access by writing to DMA CSR0 */
103 writel(DMA_BUS_MODE_DEFAULT | (pbl << DMA_BUS_MODE_PBL_SHIFT),
104 ioaddr + DMA_BUS_MODE);
105
106 /* Mask interrupts by writing to CSR7 */
107 writel(DMA_INTR_DEFAULT_MASK, ioaddr + DMA_INTR_ENA);
108
109 /* The base address of the RX/TX descriptor lists must be written into
110 * DMA CSR3 and CSR4, respectively. */
111 writel(dma_tx, ioaddr + DMA_TX_BASE_ADDR);
112 writel(dma_rx, ioaddr + DMA_RCV_BASE_ADDR);
113
114 return 0;
115}
116
117/* Store and Forward capability is not used at all..
118 * The transmit threshold can be programmed by
119 * setting the TTC bits in the DMA control register.*/
120static void mac100_dma_operation_mode(unsigned long ioaddr, int txmode,
121 int rxmode)
122{
123 u32 csr6 = readl(ioaddr + DMA_CONTROL);
124
125 if (txmode <= 32)
126 csr6 |= DMA_CONTROL_TTC_32;
127 else if (txmode <= 64)
128 csr6 |= DMA_CONTROL_TTC_64;
129 else
130 csr6 |= DMA_CONTROL_TTC_128;
131
132 writel(csr6, ioaddr + DMA_CONTROL);
133
134 return;
135}
136
137static void mac100_dump_dma_regs(unsigned long ioaddr)
138{
139 int i;
140
141 DBG(KERN_DEBUG "MAC100 DMA CSR \n");
142 for (i = 0; i < 9; i++)
143 pr_debug("\t CSR%d (offset 0x%x): 0x%08x\n", i,
144 (DMA_BUS_MODE + i * 4),
145 readl(ioaddr + DMA_BUS_MODE + i * 4));
146 DBG(KERN_DEBUG "\t CSR20 (offset 0x%x): 0x%08x\n",
147 DMA_CUR_TX_BUF_ADDR, readl(ioaddr + DMA_CUR_TX_BUF_ADDR));
148 DBG(KERN_DEBUG "\t CSR21 (offset 0x%x): 0x%08x\n",
149 DMA_CUR_RX_BUF_ADDR, readl(ioaddr + DMA_CUR_RX_BUF_ADDR));
150 return;
151}
152
153/* DMA controller has two counters to track the number of
154 the receive missed frames. */
155static void mac100_dma_diagnostic_fr(void *data, struct stmmac_extra_stats *x,
156 unsigned long ioaddr)
157{
158 struct net_device_stats *stats = (struct net_device_stats *)data;
159 u32 csr8 = readl(ioaddr + DMA_MISSED_FRAME_CTR);
160
161 if (unlikely(csr8)) {
162 if (csr8 & DMA_MISSED_FRAME_OVE) {
163 stats->rx_over_errors += 0x800;
164 x->rx_overflow_cntr += 0x800;
165 } else {
166 unsigned int ove_cntr;
167 ove_cntr = ((csr8 & DMA_MISSED_FRAME_OVE_CNTR) >> 17);
168 stats->rx_over_errors += ove_cntr;
169 x->rx_overflow_cntr += ove_cntr;
170 }
171
172 if (csr8 & DMA_MISSED_FRAME_OVE_M) {
173 stats->rx_missed_errors += 0xffff;
174 x->rx_missed_cntr += 0xffff;
175 } else {
176 unsigned int miss_f = (csr8 & DMA_MISSED_FRAME_M_CNTR);
177 stats->rx_missed_errors += miss_f;
178 x->rx_missed_cntr += miss_f;
179 }
180 }
181 return;
182}
183
184static int mac100_get_tx_frame_status(void *data, struct stmmac_extra_stats *x,
185 struct dma_desc *p, unsigned long ioaddr)
186{
187 int ret = 0;
188 struct net_device_stats *stats = (struct net_device_stats *)data;
189
190 if (unlikely(p->des01.tx.error_summary)) {
191 if (unlikely(p->des01.tx.underflow_error)) {
192 x->tx_underflow++;
193 stats->tx_fifo_errors++;
194 }
195 if (unlikely(p->des01.tx.no_carrier)) {
196 x->tx_carrier++;
197 stats->tx_carrier_errors++;
198 }
199 if (unlikely(p->des01.tx.loss_carrier)) {
200 x->tx_losscarrier++;
201 stats->tx_carrier_errors++;
202 }
203 if (unlikely((p->des01.tx.excessive_deferral) ||
204 (p->des01.tx.excessive_collisions) ||
205 (p->des01.tx.late_collision)))
206 stats->collisions += p->des01.tx.collision_count;
207 ret = -1;
208 }
209 if (unlikely(p->des01.tx.heartbeat_fail)) {
210 x->tx_heartbeat++;
211 stats->tx_heartbeat_errors++;
212 ret = -1;
213 }
214 if (unlikely(p->des01.tx.deferred))
215 x->tx_deferred++;
216
217 return ret;
218}
219
220static int mac100_get_tx_len(struct dma_desc *p)
221{
222 return p->des01.tx.buffer1_size;
223}
224
225/* This function verifies if each incoming frame has some errors
226 * and, if required, updates the multicast statistics.
227 * In case of success, it returns csum_none becasue the device
228 * is not able to compute the csum in HW. */
229static int mac100_get_rx_frame_status(void *data, struct stmmac_extra_stats *x,
230 struct dma_desc *p)
231{
232 int ret = csum_none;
233 struct net_device_stats *stats = (struct net_device_stats *)data;
234
235 if (unlikely(p->des01.rx.last_descriptor == 0)) {
236 pr_warning("mac100 Error: Oversized Ethernet "
237 "frame spanned multiple buffers\n");
238 stats->rx_length_errors++;
239 return discard_frame;
240 }
241
242 if (unlikely(p->des01.rx.error_summary)) {
243 if (unlikely(p->des01.rx.descriptor_error))
244 x->rx_desc++;
245 if (unlikely(p->des01.rx.partial_frame_error))
246 x->rx_partial++;
247 if (unlikely(p->des01.rx.run_frame))
248 x->rx_runt++;
249 if (unlikely(p->des01.rx.frame_too_long))
250 x->rx_toolong++;
251 if (unlikely(p->des01.rx.collision)) {
252 x->rx_collision++;
253 stats->collisions++;
254 }
255 if (unlikely(p->des01.rx.crc_error)) {
256 x->rx_crc++;
257 stats->rx_crc_errors++;
258 }
259 ret = discard_frame;
260 }
261 if (unlikely(p->des01.rx.dribbling))
262 ret = discard_frame;
263
264 if (unlikely(p->des01.rx.length_error)) {
265 x->rx_lenght++;
266 ret = discard_frame;
267 }
268 if (unlikely(p->des01.rx.mii_error)) {
269 x->rx_mii++;
270 ret = discard_frame;
271 }
272 if (p->des01.rx.multicast_frame) {
273 x->rx_multicast++;
274 stats->multicast++;
275 }
276 return ret;
277}
278
279static void mac100_irq_status(unsigned long ioaddr)
280{
281 return;
282}
283
284static void mac100_set_umac_addr(unsigned long ioaddr, unsigned char *addr,
285 unsigned int reg_n)
286{
287 stmmac_set_mac_addr(ioaddr, addr, MAC_ADDR_HIGH, MAC_ADDR_LOW);
288}
289
290static void mac100_get_umac_addr(unsigned long ioaddr, unsigned char *addr,
291 unsigned int reg_n)
292{
293 stmmac_get_mac_addr(ioaddr, addr, MAC_ADDR_HIGH, MAC_ADDR_LOW);
294}
295
296static void mac100_set_filter(struct net_device *dev)
297{
298 unsigned long ioaddr = dev->base_addr;
299 u32 value = readl(ioaddr + MAC_CONTROL);
300
301 if (dev->flags & IFF_PROMISC) {
302 value |= MAC_CONTROL_PR;
303 value &= ~(MAC_CONTROL_PM | MAC_CONTROL_IF | MAC_CONTROL_HO |
304 MAC_CONTROL_HP);
305 } else if ((dev->mc_count > HASH_TABLE_SIZE)
306 || (dev->flags & IFF_ALLMULTI)) {
307 value |= MAC_CONTROL_PM;
308 value &= ~(MAC_CONTROL_PR | MAC_CONTROL_IF | MAC_CONTROL_HO);
309 writel(0xffffffff, ioaddr + MAC_HASH_HIGH);
310 writel(0xffffffff, ioaddr + MAC_HASH_LOW);
311 } else if (dev->mc_count == 0) { /* no multicast */
312 value &= ~(MAC_CONTROL_PM | MAC_CONTROL_PR | MAC_CONTROL_IF |
313 MAC_CONTROL_HO | MAC_CONTROL_HP);
314 } else {
315 int i;
316 u32 mc_filter[2];
317 struct dev_mc_list *mclist;
318
319 /* Perfect filter mode for physical address and Hash
320 filter for multicast */
321 value |= MAC_CONTROL_HP;
322 value &= ~(MAC_CONTROL_PM | MAC_CONTROL_PR | MAC_CONTROL_IF
323 | MAC_CONTROL_HO);
324
325 memset(mc_filter, 0, sizeof(mc_filter));
326 for (i = 0, mclist = dev->mc_list;
327 mclist && i < dev->mc_count; i++, mclist = mclist->next) {
328 /* The upper 6 bits of the calculated CRC are used to
329 * index the contens of the hash table */
330 int bit_nr =
331 ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
332 /* The most significant bit determines the register to
333 * use (H/L) while the other 5 bits determine the bit
334 * within the register. */
335 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
336 }
337 writel(mc_filter[0], ioaddr + MAC_HASH_LOW);
338 writel(mc_filter[1], ioaddr + MAC_HASH_HIGH);
339 }
340
341 writel(value, ioaddr + MAC_CONTROL);
342
343 DBG(KERN_INFO "%s: CTRL reg: 0x%08x Hash regs: "
344 "HI 0x%08x, LO 0x%08x\n",
345 __func__, readl(ioaddr + MAC_CONTROL),
346 readl(ioaddr + MAC_HASH_HIGH), readl(ioaddr + MAC_HASH_LOW));
347 return;
348}
349
350static void mac100_flow_ctrl(unsigned long ioaddr, unsigned int duplex,
351 unsigned int fc, unsigned int pause_time)
352{
353 unsigned int flow = MAC_FLOW_CTRL_ENABLE;
354
355 if (duplex)
356 flow |= (pause_time << MAC_FLOW_CTRL_PT_SHIFT);
357 writel(flow, ioaddr + MAC_FLOW_CTRL);
358
359 return;
360}
361
362/* No PMT module supported in our SoC for the Ethernet Controller. */
363static void mac100_pmt(unsigned long ioaddr, unsigned long mode)
364{
365 return;
366}
367
368static void mac100_init_rx_desc(struct dma_desc *p, unsigned int ring_size,
369 int disable_rx_ic)
370{
371 int i;
372 for (i = 0; i < ring_size; i++) {
373 p->des01.rx.own = 1;
374 p->des01.rx.buffer1_size = BUF_SIZE_2KiB - 1;
375 if (i == ring_size - 1)
376 p->des01.rx.end_ring = 1;
377 if (disable_rx_ic)
378 p->des01.rx.disable_ic = 1;
379 p++;
380 }
381 return;
382}
383
384static void mac100_init_tx_desc(struct dma_desc *p, unsigned int ring_size)
385{
386 int i;
387 for (i = 0; i < ring_size; i++) {
388 p->des01.tx.own = 0;
389 if (i == ring_size - 1)
390 p->des01.tx.end_ring = 1;
391 p++;
392 }
393 return;
394}
395
396static int mac100_get_tx_owner(struct dma_desc *p)
397{
398 return p->des01.tx.own;
399}
400
401static int mac100_get_rx_owner(struct dma_desc *p)
402{
403 return p->des01.rx.own;
404}
405
406static void mac100_set_tx_owner(struct dma_desc *p)
407{
408 p->des01.tx.own = 1;
409}
410
411static void mac100_set_rx_owner(struct dma_desc *p)
412{
413 p->des01.rx.own = 1;
414}
415
416static int mac100_get_tx_ls(struct dma_desc *p)
417{
418 return p->des01.tx.last_segment;
419}
420
421static void mac100_release_tx_desc(struct dma_desc *p)
422{
423 int ter = p->des01.tx.end_ring;
424
425 /* clean field used within the xmit */
426 p->des01.tx.first_segment = 0;
427 p->des01.tx.last_segment = 0;
428 p->des01.tx.buffer1_size = 0;
429
430 /* clean status reported */
431 p->des01.tx.error_summary = 0;
432 p->des01.tx.underflow_error = 0;
433 p->des01.tx.no_carrier = 0;
434 p->des01.tx.loss_carrier = 0;
435 p->des01.tx.excessive_deferral = 0;
436 p->des01.tx.excessive_collisions = 0;
437 p->des01.tx.late_collision = 0;
438 p->des01.tx.heartbeat_fail = 0;
439 p->des01.tx.deferred = 0;
440
441 /* set termination field */
442 p->des01.tx.end_ring = ter;
443
444 return;
445}
446
447static void mac100_prepare_tx_desc(struct dma_desc *p, int is_fs, int len,
448 int csum_flag)
449{
450 p->des01.tx.first_segment = is_fs;
451 p->des01.tx.buffer1_size = len;
452}
453
454static void mac100_clear_tx_ic(struct dma_desc *p)
455{
456 p->des01.tx.interrupt = 0;
457}
458
459static void mac100_close_tx_desc(struct dma_desc *p)
460{
461 p->des01.tx.last_segment = 1;
462 p->des01.tx.interrupt = 1;
463}
464
465static int mac100_get_rx_frame_len(struct dma_desc *p)
466{
467 return p->des01.rx.frame_length;
468}
469
470struct stmmac_ops mac100_driver = {
471 .core_init = mac100_core_init,
472 .dump_mac_regs = mac100_dump_mac_regs,
473 .dma_init = mac100_dma_init,
474 .dump_dma_regs = mac100_dump_dma_regs,
475 .dma_mode = mac100_dma_operation_mode,
476 .dma_diagnostic_fr = mac100_dma_diagnostic_fr,
477 .tx_status = mac100_get_tx_frame_status,
478 .rx_status = mac100_get_rx_frame_status,
479 .get_tx_len = mac100_get_tx_len,
480 .set_filter = mac100_set_filter,
481 .flow_ctrl = mac100_flow_ctrl,
482 .pmt = mac100_pmt,
483 .init_rx_desc = mac100_init_rx_desc,
484 .init_tx_desc = mac100_init_tx_desc,
485 .get_tx_owner = mac100_get_tx_owner,
486 .get_rx_owner = mac100_get_rx_owner,
487 .release_tx_desc = mac100_release_tx_desc,
488 .prepare_tx_desc = mac100_prepare_tx_desc,
489 .clear_tx_ic = mac100_clear_tx_ic,
490 .close_tx_desc = mac100_close_tx_desc,
491 .get_tx_ls = mac100_get_tx_ls,
492 .set_tx_owner = mac100_set_tx_owner,
493 .set_rx_owner = mac100_set_rx_owner,
494 .get_rx_frame_len = mac100_get_rx_frame_len,
495 .host_irq_status = mac100_irq_status,
496 .set_umac_addr = mac100_set_umac_addr,
497 .get_umac_addr = mac100_get_umac_addr,
498};
499
500struct mac_device_info *mac100_setup(unsigned long ioaddr)
501{
502 struct mac_device_info *mac;
503
504 mac = kzalloc(sizeof(const struct mac_device_info), GFP_KERNEL);
505
506 pr_info("\tMAC 10/100\n");
507
508 mac->ops = &mac100_driver;
509 mac->hw.pmt = PMT_NOT_SUPPORTED;
510 mac->hw.link.port = MAC_CONTROL_PS;
511 mac->hw.link.duplex = MAC_CONTROL_F;
512 mac->hw.link.speed = 0;
513 mac->hw.mii.addr = MAC_MII_ADDR;
514 mac->hw.mii.data = MAC_MII_DATA;
515
516 return mac;
517}
diff --git a/drivers/net/stmmac/mac100.h b/drivers/net/stmmac/mac100.h
new file mode 100644
index 000000000000..0f8f110d004a
--- /dev/null
+++ b/drivers/net/stmmac/mac100.h
@@ -0,0 +1,116 @@
1/*******************************************************************************
2 MAC 10/100 Header File
3
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23*******************************************************************************/
24
25/*----------------------------------------------------------------------------
26 * MAC BLOCK defines
27 *---------------------------------------------------------------------------*/
28/* MAC CSR offset */
29#define MAC_CONTROL 0x00000000 /* MAC Control */
30#define MAC_ADDR_HIGH 0x00000004 /* MAC Address High */
31#define MAC_ADDR_LOW 0x00000008 /* MAC Address Low */
32#define MAC_HASH_HIGH 0x0000000c /* Multicast Hash Table High */
33#define MAC_HASH_LOW 0x00000010 /* Multicast Hash Table Low */
34#define MAC_MII_ADDR 0x00000014 /* MII Address */
35#define MAC_MII_DATA 0x00000018 /* MII Data */
36#define MAC_FLOW_CTRL 0x0000001c /* Flow Control */
37#define MAC_VLAN1 0x00000020 /* VLAN1 Tag */
38#define MAC_VLAN2 0x00000024 /* VLAN2 Tag */
39
40/* MAC CTRL defines */
41#define MAC_CONTROL_RA 0x80000000 /* Receive All Mode */
42#define MAC_CONTROL_BLE 0x40000000 /* Endian Mode */
43#define MAC_CONTROL_HBD 0x10000000 /* Heartbeat Disable */
44#define MAC_CONTROL_PS 0x08000000 /* Port Select */
45#define MAC_CONTROL_DRO 0x00800000 /* Disable Receive Own */
46#define MAC_CONTROL_EXT_LOOPBACK 0x00400000 /* Reserved (ext loopback?) */
47#define MAC_CONTROL_OM 0x00200000 /* Loopback Operating Mode */
48#define MAC_CONTROL_F 0x00100000 /* Full Duplex Mode */
49#define MAC_CONTROL_PM 0x00080000 /* Pass All Multicast */
50#define MAC_CONTROL_PR 0x00040000 /* Promiscuous Mode */
51#define MAC_CONTROL_IF 0x00020000 /* Inverse Filtering */
52#define MAC_CONTROL_PB 0x00010000 /* Pass Bad Frames */
53#define MAC_CONTROL_HO 0x00008000 /* Hash Only Filtering Mode */
54#define MAC_CONTROL_HP 0x00002000 /* Hash/Perfect Filtering Mode */
55#define MAC_CONTROL_LCC 0x00001000 /* Late Collision Control */
56#define MAC_CONTROL_DBF 0x00000800 /* Disable Broadcast Frames */
57#define MAC_CONTROL_DRTY 0x00000400 /* Disable Retry */
58#define MAC_CONTROL_ASTP 0x00000100 /* Automatic Pad Stripping */
59#define MAC_CONTROL_BOLMT_10 0x00000000 /* Back Off Limit 10 */
60#define MAC_CONTROL_BOLMT_8 0x00000040 /* Back Off Limit 8 */
61#define MAC_CONTROL_BOLMT_4 0x00000080 /* Back Off Limit 4 */
62#define MAC_CONTROL_BOLMT_1 0x000000c0 /* Back Off Limit 1 */
63#define MAC_CONTROL_DC 0x00000020 /* Deferral Check */
64#define MAC_CONTROL_TE 0x00000008 /* Transmitter Enable */
65#define MAC_CONTROL_RE 0x00000004 /* Receiver Enable */
66
67#define MAC_CORE_INIT (MAC_CONTROL_HBD | MAC_CONTROL_ASTP)
68
69/* MAC FLOW CTRL defines */
70#define MAC_FLOW_CTRL_PT_MASK 0xffff0000 /* Pause Time Mask */
71#define MAC_FLOW_CTRL_PT_SHIFT 16
72#define MAC_FLOW_CTRL_PASS 0x00000004 /* Pass Control Frames */
73#define MAC_FLOW_CTRL_ENABLE 0x00000002 /* Flow Control Enable */
74#define MAC_FLOW_CTRL_PAUSE 0x00000001 /* Flow Control Busy ... */
75
76/* MII ADDR defines */
77#define MAC_MII_ADDR_WRITE 0x00000002 /* MII Write */
78#define MAC_MII_ADDR_BUSY 0x00000001 /* MII Busy */
79
80/*----------------------------------------------------------------------------
81 * DMA BLOCK defines
82 *---------------------------------------------------------------------------*/
83
84/* DMA Bus Mode register defines */
85#define DMA_BUS_MODE_DBO 0x00100000 /* Descriptor Byte Ordering */
86#define DMA_BUS_MODE_BLE 0x00000080 /* Big Endian/Little Endian */
87#define DMA_BUS_MODE_PBL_MASK 0x00003f00 /* Programmable Burst Len */
88#define DMA_BUS_MODE_PBL_SHIFT 8
89#define DMA_BUS_MODE_DSL_MASK 0x0000007c /* Descriptor Skip Length */
90#define DMA_BUS_MODE_DSL_SHIFT 2 /* (in DWORDS) */
91#define DMA_BUS_MODE_BAR_BUS 0x00000002 /* Bar-Bus Arbitration */
92#define DMA_BUS_MODE_SFT_RESET 0x00000001 /* Software Reset */
93#define DMA_BUS_MODE_DEFAULT 0x00000000
94
95/* DMA Control register defines */
96#define DMA_CONTROL_SF 0x00200000 /* Store And Forward */
97
98/* Transmit Threshold Control */
99enum ttc_control {
100 DMA_CONTROL_TTC_DEFAULT = 0x00000000, /* Threshold is 32 DWORDS */
101 DMA_CONTROL_TTC_64 = 0x00004000, /* Threshold is 64 DWORDS */
102 DMA_CONTROL_TTC_128 = 0x00008000, /* Threshold is 128 DWORDS */
103 DMA_CONTROL_TTC_256 = 0x0000c000, /* Threshold is 256 DWORDS */
104 DMA_CONTROL_TTC_18 = 0x00400000, /* Threshold is 18 DWORDS */
105 DMA_CONTROL_TTC_24 = 0x00404000, /* Threshold is 24 DWORDS */
106 DMA_CONTROL_TTC_32 = 0x00408000, /* Threshold is 32 DWORDS */
107 DMA_CONTROL_TTC_40 = 0x0040c000, /* Threshold is 40 DWORDS */
108 DMA_CONTROL_SE = 0x00000008, /* Stop On Empty */
109 DMA_CONTROL_OSF = 0x00000004, /* Operate On 2nd Frame */
110};
111
112/* STMAC110 DMA Missed Frame Counter register defines */
113#define DMA_MISSED_FRAME_OVE 0x10000000 /* FIFO Overflow Overflow */
114#define DMA_MISSED_FRAME_OVE_CNTR 0x0ffe0000 /* Overflow Frame Counter */
115#define DMA_MISSED_FRAME_OVE_M 0x00010000 /* Missed Frame Overflow */
116#define DMA_MISSED_FRAME_M_CNTR 0x0000ffff /* Missed Frame Couinter */
diff --git a/drivers/net/stmmac/stmmac.h b/drivers/net/stmmac/stmmac.h
new file mode 100644
index 000000000000..6d2eae3040e5
--- /dev/null
+++ b/drivers/net/stmmac/stmmac.h
@@ -0,0 +1,98 @@
1/*******************************************************************************
2 Copyright (C) 2007-2009 STMicroelectronics Ltd
3
4 This program is free software; you can redistribute it and/or modify it
5 under the terms and conditions of the GNU General Public License,
6 version 2, as published by the Free Software Foundation.
7
8 This program is distributed in the hope it will be useful, but WITHOUT
9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 more details.
12
13 You should have received a copy of the GNU General Public License along with
14 this program; if not, write to the Free Software Foundation, Inc.,
15 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
16
17 The full GNU General Public License is included in this distribution in
18 the file called "COPYING".
19
20 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
21*******************************************************************************/
22
23#define DRV_MODULE_VERSION "Oct_09"
24
25#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
26#define STMMAC_VLAN_TAG_USED
27#include <linux/if_vlan.h>
28#endif
29
30#include "common.h"
31#ifdef CONFIG_STMMAC_TIMER
32#include "stmmac_timer.h"
33#endif
34
35struct stmmac_priv {
36 /* Frequently used values are kept adjacent for cache effect */
37 struct dma_desc *dma_tx ____cacheline_aligned;
38 dma_addr_t dma_tx_phy;
39 struct sk_buff **tx_skbuff;
40 unsigned int cur_tx;
41 unsigned int dirty_tx;
42 unsigned int dma_tx_size;
43 int tx_coe;
44 int tx_coalesce;
45
46 struct dma_desc *dma_rx ;
47 unsigned int cur_rx;
48 unsigned int dirty_rx;
49 struct sk_buff **rx_skbuff;
50 dma_addr_t *rx_skbuff_dma;
51 struct sk_buff_head rx_recycle;
52
53 struct net_device *dev;
54 int is_gmac;
55 dma_addr_t dma_rx_phy;
56 unsigned int dma_rx_size;
57 int rx_csum;
58 unsigned int dma_buf_sz;
59 struct device *device;
60 struct mac_device_info *mac_type;
61
62 struct stmmac_extra_stats xstats;
63 struct napi_struct napi;
64
65 phy_interface_t phy_interface;
66 int pbl;
67 int bus_id;
68 int phy_addr;
69 int phy_mask;
70 int (*phy_reset) (void *priv);
71 void (*fix_mac_speed) (void *priv, unsigned int speed);
72 void *bsp_priv;
73
74 int phy_irq;
75 struct phy_device *phydev;
76 int oldlink;
77 int speed;
78 int oldduplex;
79 unsigned int flow_ctrl;
80 unsigned int pause;
81 struct mii_bus *mii;
82
83 u32 msg_enable;
84 spinlock_t lock;
85 int wolopts;
86 int wolenabled;
87 int shutdown;
88#ifdef CONFIG_STMMAC_TIMER
89 struct stmmac_timer *tm;
90#endif
91#ifdef STMMAC_VLAN_TAG_USED
92 struct vlan_group *vlgrp;
93#endif
94};
95
96extern int stmmac_mdio_unregister(struct net_device *ndev);
97extern int stmmac_mdio_register(struct net_device *ndev);
98extern void stmmac_set_ethtool_ops(struct net_device *netdev);
diff --git a/drivers/net/stmmac/stmmac_ethtool.c b/drivers/net/stmmac/stmmac_ethtool.c
new file mode 100644
index 000000000000..694ebe6a0758
--- /dev/null
+++ b/drivers/net/stmmac/stmmac_ethtool.c
@@ -0,0 +1,395 @@
1/*******************************************************************************
2 STMMAC Ethtool support
3
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23*******************************************************************************/
24
25#include <linux/etherdevice.h>
26#include <linux/ethtool.h>
27#include <linux/mii.h>
28#include <linux/phy.h>
29
30#include "stmmac.h"
31
32#define REG_SPACE_SIZE 0x1054
33#define MAC100_ETHTOOL_NAME "st_mac100"
34#define GMAC_ETHTOOL_NAME "st_gmac"
35
36struct stmmac_stats {
37 char stat_string[ETH_GSTRING_LEN];
38 int sizeof_stat;
39 int stat_offset;
40};
41
42#define STMMAC_STAT(m) \
43 { #m, FIELD_SIZEOF(struct stmmac_extra_stats, m), \
44 offsetof(struct stmmac_priv, xstats.m)}
45
46static const struct stmmac_stats stmmac_gstrings_stats[] = {
47 STMMAC_STAT(tx_underflow),
48 STMMAC_STAT(tx_carrier),
49 STMMAC_STAT(tx_losscarrier),
50 STMMAC_STAT(tx_heartbeat),
51 STMMAC_STAT(tx_deferred),
52 STMMAC_STAT(tx_vlan),
53 STMMAC_STAT(rx_vlan),
54 STMMAC_STAT(tx_jabber),
55 STMMAC_STAT(tx_frame_flushed),
56 STMMAC_STAT(tx_payload_error),
57 STMMAC_STAT(tx_ip_header_error),
58 STMMAC_STAT(rx_desc),
59 STMMAC_STAT(rx_partial),
60 STMMAC_STAT(rx_runt),
61 STMMAC_STAT(rx_toolong),
62 STMMAC_STAT(rx_collision),
63 STMMAC_STAT(rx_crc),
64 STMMAC_STAT(rx_lenght),
65 STMMAC_STAT(rx_mii),
66 STMMAC_STAT(rx_multicast),
67 STMMAC_STAT(rx_gmac_overflow),
68 STMMAC_STAT(rx_watchdog),
69 STMMAC_STAT(da_rx_filter_fail),
70 STMMAC_STAT(sa_rx_filter_fail),
71 STMMAC_STAT(rx_missed_cntr),
72 STMMAC_STAT(rx_overflow_cntr),
73 STMMAC_STAT(tx_undeflow_irq),
74 STMMAC_STAT(tx_process_stopped_irq),
75 STMMAC_STAT(tx_jabber_irq),
76 STMMAC_STAT(rx_overflow_irq),
77 STMMAC_STAT(rx_buf_unav_irq),
78 STMMAC_STAT(rx_process_stopped_irq),
79 STMMAC_STAT(rx_watchdog_irq),
80 STMMAC_STAT(tx_early_irq),
81 STMMAC_STAT(fatal_bus_error_irq),
82 STMMAC_STAT(threshold),
83 STMMAC_STAT(tx_pkt_n),
84 STMMAC_STAT(rx_pkt_n),
85 STMMAC_STAT(poll_n),
86 STMMAC_STAT(sched_timer_n),
87 STMMAC_STAT(normal_irq_n),
88};
89#define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
90
91void stmmac_ethtool_getdrvinfo(struct net_device *dev,
92 struct ethtool_drvinfo *info)
93{
94 struct stmmac_priv *priv = netdev_priv(dev);
95
96 if (!priv->is_gmac)
97 strcpy(info->driver, MAC100_ETHTOOL_NAME);
98 else
99 strcpy(info->driver, GMAC_ETHTOOL_NAME);
100
101 strcpy(info->version, DRV_MODULE_VERSION);
102 info->fw_version[0] = '\0';
103 info->n_stats = STMMAC_STATS_LEN;
104 return;
105}
106
107int stmmac_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd)
108{
109 struct stmmac_priv *priv = netdev_priv(dev);
110 struct phy_device *phy = priv->phydev;
111 int rc;
112 if (phy == NULL) {
113 pr_err("%s: %s: PHY is not registered\n",
114 __func__, dev->name);
115 return -ENODEV;
116 }
117 if (!netif_running(dev)) {
118 pr_err("%s: interface is disabled: we cannot track "
119 "link speed / duplex setting\n", dev->name);
120 return -EBUSY;
121 }
122 cmd->transceiver = XCVR_INTERNAL;
123 spin_lock_irq(&priv->lock);
124 rc = phy_ethtool_gset(phy, cmd);
125 spin_unlock_irq(&priv->lock);
126 return rc;
127}
128
129int stmmac_ethtool_setsettings(struct net_device *dev, struct ethtool_cmd *cmd)
130{
131 struct stmmac_priv *priv = netdev_priv(dev);
132 struct phy_device *phy = priv->phydev;
133 int rc;
134
135 spin_lock(&priv->lock);
136 rc = phy_ethtool_sset(phy, cmd);
137 spin_unlock(&priv->lock);
138
139 return rc;
140}
141
142u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
143{
144 struct stmmac_priv *priv = netdev_priv(dev);
145 return priv->msg_enable;
146}
147
148void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level)
149{
150 struct stmmac_priv *priv = netdev_priv(dev);
151 priv->msg_enable = level;
152
153}
154
155int stmmac_check_if_running(struct net_device *dev)
156{
157 if (!netif_running(dev))
158 return -EBUSY;
159 return 0;
160}
161
162int stmmac_ethtool_get_regs_len(struct net_device *dev)
163{
164 return REG_SPACE_SIZE;
165}
166
167void stmmac_ethtool_gregs(struct net_device *dev,
168 struct ethtool_regs *regs, void *space)
169{
170 int i;
171 u32 *reg_space = (u32 *) space;
172
173 struct stmmac_priv *priv = netdev_priv(dev);
174
175 memset(reg_space, 0x0, REG_SPACE_SIZE);
176
177 if (!priv->is_gmac) {
178 /* MAC registers */
179 for (i = 0; i < 12; i++)
180 reg_space[i] = readl(dev->base_addr + (i * 4));
181 /* DMA registers */
182 for (i = 0; i < 9; i++)
183 reg_space[i + 12] =
184 readl(dev->base_addr + (DMA_BUS_MODE + (i * 4)));
185 reg_space[22] = readl(dev->base_addr + DMA_CUR_TX_BUF_ADDR);
186 reg_space[23] = readl(dev->base_addr + DMA_CUR_RX_BUF_ADDR);
187 } else {
188 /* MAC registers */
189 for (i = 0; i < 55; i++)
190 reg_space[i] = readl(dev->base_addr + (i * 4));
191 /* DMA registers */
192 for (i = 0; i < 22; i++)
193 reg_space[i + 55] =
194 readl(dev->base_addr + (DMA_BUS_MODE + (i * 4)));
195 }
196
197 return;
198}
199
200int stmmac_ethtool_set_tx_csum(struct net_device *netdev, u32 data)
201{
202 if (data)
203 netdev->features |= NETIF_F_HW_CSUM;
204 else
205 netdev->features &= ~NETIF_F_HW_CSUM;
206
207 return 0;
208}
209
210u32 stmmac_ethtool_get_rx_csum(struct net_device *dev)
211{
212 struct stmmac_priv *priv = netdev_priv(dev);
213
214 return priv->rx_csum;
215}
216
217static void
218stmmac_get_pauseparam(struct net_device *netdev,
219 struct ethtool_pauseparam *pause)
220{
221 struct stmmac_priv *priv = netdev_priv(netdev);
222
223 spin_lock(&priv->lock);
224
225 pause->rx_pause = 0;
226 pause->tx_pause = 0;
227 pause->autoneg = priv->phydev->autoneg;
228
229 if (priv->flow_ctrl & FLOW_RX)
230 pause->rx_pause = 1;
231 if (priv->flow_ctrl & FLOW_TX)
232 pause->tx_pause = 1;
233
234 spin_unlock(&priv->lock);
235 return;
236}
237
238static int
239stmmac_set_pauseparam(struct net_device *netdev,
240 struct ethtool_pauseparam *pause)
241{
242 struct stmmac_priv *priv = netdev_priv(netdev);
243 struct phy_device *phy = priv->phydev;
244 int new_pause = FLOW_OFF;
245 int ret = 0;
246
247 spin_lock(&priv->lock);
248
249 if (pause->rx_pause)
250 new_pause |= FLOW_RX;
251 if (pause->tx_pause)
252 new_pause |= FLOW_TX;
253
254 priv->flow_ctrl = new_pause;
255
256 if (phy->autoneg) {
257 if (netif_running(netdev)) {
258 struct ethtool_cmd cmd;
259 /* auto-negotiation automatically restarted */
260 cmd.cmd = ETHTOOL_NWAY_RST;
261 cmd.supported = phy->supported;
262 cmd.advertising = phy->advertising;
263 cmd.autoneg = phy->autoneg;
264 cmd.speed = phy->speed;
265 cmd.duplex = phy->duplex;
266 cmd.phy_address = phy->addr;
267 ret = phy_ethtool_sset(phy, &cmd);
268 }
269 } else {
270 unsigned long ioaddr = netdev->base_addr;
271 priv->mac_type->ops->flow_ctrl(ioaddr, phy->duplex,
272 priv->flow_ctrl, priv->pause);
273 }
274 spin_unlock(&priv->lock);
275 return ret;
276}
277
278static void stmmac_get_ethtool_stats(struct net_device *dev,
279 struct ethtool_stats *dummy, u64 *data)
280{
281 struct stmmac_priv *priv = netdev_priv(dev);
282 unsigned long ioaddr = dev->base_addr;
283 int i;
284
285 /* Update HW stats if supported */
286 priv->mac_type->ops->dma_diagnostic_fr(&dev->stats, &priv->xstats,
287 ioaddr);
288
289 for (i = 0; i < STMMAC_STATS_LEN; i++) {
290 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
291 data[i] = (stmmac_gstrings_stats[i].sizeof_stat ==
292 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
293 }
294
295 return;
296}
297
298static int stmmac_get_sset_count(struct net_device *netdev, int sset)
299{
300 switch (sset) {
301 case ETH_SS_STATS:
302 return STMMAC_STATS_LEN;
303 default:
304 return -EOPNOTSUPP;
305 }
306}
307
308static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
309{
310 int i;
311 u8 *p = data;
312
313 switch (stringset) {
314 case ETH_SS_STATS:
315 for (i = 0; i < STMMAC_STATS_LEN; i++) {
316 memcpy(p, stmmac_gstrings_stats[i].stat_string,
317 ETH_GSTRING_LEN);
318 p += ETH_GSTRING_LEN;
319 }
320 break;
321 default:
322 WARN_ON(1);
323 break;
324 }
325 return;
326}
327
328/* Currently only support WOL through Magic packet. */
329static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
330{
331 struct stmmac_priv *priv = netdev_priv(dev);
332
333 spin_lock_irq(&priv->lock);
334 if (priv->wolenabled == PMT_SUPPORTED) {
335 wol->supported = WAKE_MAGIC;
336 wol->wolopts = priv->wolopts;
337 }
338 spin_unlock_irq(&priv->lock);
339}
340
341static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
342{
343 struct stmmac_priv *priv = netdev_priv(dev);
344 u32 support = WAKE_MAGIC;
345
346 if (priv->wolenabled == PMT_NOT_SUPPORTED)
347 return -EINVAL;
348
349 if (wol->wolopts & ~support)
350 return -EINVAL;
351
352 if (wol->wolopts == 0)
353 device_set_wakeup_enable(priv->device, 0);
354 else
355 device_set_wakeup_enable(priv->device, 1);
356
357 spin_lock_irq(&priv->lock);
358 priv->wolopts = wol->wolopts;
359 spin_unlock_irq(&priv->lock);
360
361 return 0;
362}
363
364static struct ethtool_ops stmmac_ethtool_ops = {
365 .begin = stmmac_check_if_running,
366 .get_drvinfo = stmmac_ethtool_getdrvinfo,
367 .get_settings = stmmac_ethtool_getsettings,
368 .set_settings = stmmac_ethtool_setsettings,
369 .get_msglevel = stmmac_ethtool_getmsglevel,
370 .set_msglevel = stmmac_ethtool_setmsglevel,
371 .get_regs = stmmac_ethtool_gregs,
372 .get_regs_len = stmmac_ethtool_get_regs_len,
373 .get_link = ethtool_op_get_link,
374 .get_rx_csum = stmmac_ethtool_get_rx_csum,
375 .get_tx_csum = ethtool_op_get_tx_csum,
376 .set_tx_csum = stmmac_ethtool_set_tx_csum,
377 .get_sg = ethtool_op_get_sg,
378 .set_sg = ethtool_op_set_sg,
379 .get_pauseparam = stmmac_get_pauseparam,
380 .set_pauseparam = stmmac_set_pauseparam,
381 .get_ethtool_stats = stmmac_get_ethtool_stats,
382 .get_strings = stmmac_get_strings,
383 .get_wol = stmmac_get_wol,
384 .set_wol = stmmac_set_wol,
385 .get_sset_count = stmmac_get_sset_count,
386#ifdef NETIF_F_TSO
387 .get_tso = ethtool_op_get_tso,
388 .set_tso = ethtool_op_set_tso,
389#endif
390};
391
392void stmmac_set_ethtool_ops(struct net_device *netdev)
393{
394 SET_ETHTOOL_OPS(netdev, &stmmac_ethtool_ops);
395}
diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c
new file mode 100644
index 000000000000..c2f14dc9ba28
--- /dev/null
+++ b/drivers/net/stmmac/stmmac_main.c
@@ -0,0 +1,2204 @@
1/*******************************************************************************
2 This is the driver for the ST MAC 10/100/1000 on-chip Ethernet controllers.
3 ST Ethernet IPs are built around a Synopsys IP Core.
4
5 Copyright (C) 2007-2009 STMicroelectronics Ltd
6
7 This program is free software; you can redistribute it and/or modify it
8 under the terms and conditions of the GNU General Public License,
9 version 2, as published by the Free Software Foundation.
10
11 This program is distributed in the hope it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 more details.
15
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19
20 The full GNU General Public License is included in this distribution in
21 the file called "COPYING".
22
23 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
24
25 Documentation available at:
26 http://www.stlinux.com
27 Support available at:
28 https://bugzilla.stlinux.com/
29*******************************************************************************/
30
31#include <linux/module.h>
32#include <linux/init.h>
33#include <linux/kernel.h>
34#include <linux/interrupt.h>
35#include <linux/netdevice.h>
36#include <linux/etherdevice.h>
37#include <linux/platform_device.h>
38#include <linux/ip.h>
39#include <linux/tcp.h>
40#include <linux/skbuff.h>
41#include <linux/ethtool.h>
42#include <linux/if_ether.h>
43#include <linux/crc32.h>
44#include <linux/mii.h>
45#include <linux/phy.h>
46#include <linux/if_vlan.h>
47#include <linux/dma-mapping.h>
48#include <linux/stm/soc.h>
49#include "stmmac.h"
50
51#define STMMAC_RESOURCE_NAME "stmmaceth"
52#define PHY_RESOURCE_NAME "stmmacphy"
53
54#undef STMMAC_DEBUG
55/*#define STMMAC_DEBUG*/
56#ifdef STMMAC_DEBUG
57#define DBG(nlevel, klevel, fmt, args...) \
58 ((void)(netif_msg_##nlevel(priv) && \
59 printk(KERN_##klevel fmt, ## args)))
60#else
61#define DBG(nlevel, klevel, fmt, args...) do { } while (0)
62#endif
63
64#undef STMMAC_RX_DEBUG
65/*#define STMMAC_RX_DEBUG*/
66#ifdef STMMAC_RX_DEBUG
67#define RX_DBG(fmt, args...) printk(fmt, ## args)
68#else
69#define RX_DBG(fmt, args...) do { } while (0)
70#endif
71
72#undef STMMAC_XMIT_DEBUG
73/*#define STMMAC_XMIT_DEBUG*/
74#ifdef STMMAC_TX_DEBUG
75#define TX_DBG(fmt, args...) printk(fmt, ## args)
76#else
77#define TX_DBG(fmt, args...) do { } while (0)
78#endif
79
80#define STMMAC_ALIGN(x) L1_CACHE_ALIGN(x)
81#define JUMBO_LEN 9000
82
83/* Module parameters */
84#define TX_TIMEO 5000 /* default 5 seconds */
85static int watchdog = TX_TIMEO;
86module_param(watchdog, int, S_IRUGO | S_IWUSR);
87MODULE_PARM_DESC(watchdog, "Transmit timeout in milliseconds");
88
89static int debug = -1; /* -1: default, 0: no output, 16: all */
90module_param(debug, int, S_IRUGO | S_IWUSR);
91MODULE_PARM_DESC(debug, "Message Level (0: no output, 16: all)");
92
93static int phyaddr = -1;
94module_param(phyaddr, int, S_IRUGO);
95MODULE_PARM_DESC(phyaddr, "Physical device address");
96
97#define DMA_TX_SIZE 256
98static int dma_txsize = DMA_TX_SIZE;
99module_param(dma_txsize, int, S_IRUGO | S_IWUSR);
100MODULE_PARM_DESC(dma_txsize, "Number of descriptors in the TX list");
101
102#define DMA_RX_SIZE 256
103static int dma_rxsize = DMA_RX_SIZE;
104module_param(dma_rxsize, int, S_IRUGO | S_IWUSR);
105MODULE_PARM_DESC(dma_rxsize, "Number of descriptors in the RX list");
106
107static int flow_ctrl = FLOW_OFF;
108module_param(flow_ctrl, int, S_IRUGO | S_IWUSR);
109MODULE_PARM_DESC(flow_ctrl, "Flow control ability [on/off]");
110
111static int pause = PAUSE_TIME;
112module_param(pause, int, S_IRUGO | S_IWUSR);
113MODULE_PARM_DESC(pause, "Flow Control Pause Time");
114
115#define TC_DEFAULT 64
116static int tc = TC_DEFAULT;
117module_param(tc, int, S_IRUGO | S_IWUSR);
118MODULE_PARM_DESC(tc, "DMA threshold control value");
119
120#define RX_NO_COALESCE 1 /* Always interrupt on completion */
121#define TX_NO_COALESCE -1 /* No moderation by default */
122
123/* Pay attention to tune this parameter; take care of both
124 * hardware capability and network stabitily/performance impact.
125 * Many tests showed that ~4ms latency seems to be good enough. */
126#ifdef CONFIG_STMMAC_TIMER
127#define DEFAULT_PERIODIC_RATE 256
128static int tmrate = DEFAULT_PERIODIC_RATE;
129module_param(tmrate, int, S_IRUGO | S_IWUSR);
130MODULE_PARM_DESC(tmrate, "External timer freq. (default: 256Hz)");
131#endif
132
133#define DMA_BUFFER_SIZE BUF_SIZE_2KiB
134static int buf_sz = DMA_BUFFER_SIZE;
135module_param(buf_sz, int, S_IRUGO | S_IWUSR);
136MODULE_PARM_DESC(buf_sz, "DMA buffer size");
137
138/* In case of Giga ETH, we can enable/disable the COE for the
139 * transmit HW checksum computation.
140 * Note that, if tx csum is off in HW, SG will be still supported. */
141static int tx_coe = HW_CSUM;
142module_param(tx_coe, int, S_IRUGO | S_IWUSR);
143MODULE_PARM_DESC(tx_coe, "GMAC COE type 2 [on/off]");
144
145static const u32 default_msg_level = (NETIF_MSG_DRV | NETIF_MSG_PROBE |
146 NETIF_MSG_LINK | NETIF_MSG_IFUP |
147 NETIF_MSG_IFDOWN | NETIF_MSG_TIMER);
148
149static irqreturn_t stmmac_interrupt(int irq, void *dev_id);
150static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev);
151
152/**
153 * stmmac_verify_args - verify the driver parameters.
154 * Description: it verifies if some wrong parameter is passed to the driver.
155 * Note that wrong parameters are replaced with the default values.
156 */
157static void stmmac_verify_args(void)
158{
159 if (unlikely(watchdog < 0))
160 watchdog = TX_TIMEO;
161 if (unlikely(dma_rxsize < 0))
162 dma_rxsize = DMA_RX_SIZE;
163 if (unlikely(dma_txsize < 0))
164 dma_txsize = DMA_TX_SIZE;
165 if (unlikely((buf_sz < DMA_BUFFER_SIZE) || (buf_sz > BUF_SIZE_16KiB)))
166 buf_sz = DMA_BUFFER_SIZE;
167 if (unlikely(flow_ctrl > 1))
168 flow_ctrl = FLOW_AUTO;
169 else if (likely(flow_ctrl < 0))
170 flow_ctrl = FLOW_OFF;
171 if (unlikely((pause < 0) || (pause > 0xffff)))
172 pause = PAUSE_TIME;
173
174 return;
175}
176
177#if defined(STMMAC_XMIT_DEBUG) || defined(STMMAC_RX_DEBUG)
178static void print_pkt(unsigned char *buf, int len)
179{
180 int j;
181 pr_info("len = %d byte, buf addr: 0x%p", len, buf);
182 for (j = 0; j < len; j++) {
183 if ((j % 16) == 0)
184 pr_info("\n %03x:", j);
185 pr_info(" %02x", buf[j]);
186 }
187 pr_info("\n");
188 return;
189}
190#endif
191
192/* minimum number of free TX descriptors required to wake up TX process */
193#define STMMAC_TX_THRESH(x) (x->dma_tx_size/4)
194
195static inline u32 stmmac_tx_avail(struct stmmac_priv *priv)
196{
197 return priv->dirty_tx + priv->dma_tx_size - priv->cur_tx - 1;
198}
199
200/**
201 * stmmac_adjust_link
202 * @dev: net device structure
203 * Description: it adjusts the link parameters.
204 */
205static void stmmac_adjust_link(struct net_device *dev)
206{
207 struct stmmac_priv *priv = netdev_priv(dev);
208 struct phy_device *phydev = priv->phydev;
209 unsigned long ioaddr = dev->base_addr;
210 unsigned long flags;
211 int new_state = 0;
212 unsigned int fc = priv->flow_ctrl, pause_time = priv->pause;
213
214 if (phydev == NULL)
215 return;
216
217 DBG(probe, DEBUG, "stmmac_adjust_link: called. address %d link %d\n",
218 phydev->addr, phydev->link);
219
220 spin_lock_irqsave(&priv->lock, flags);
221 if (phydev->link) {
222 u32 ctrl = readl(ioaddr + MAC_CTRL_REG);
223
224 /* Now we make sure that we can be in full duplex mode.
225 * If not, we operate in half-duplex mode. */
226 if (phydev->duplex != priv->oldduplex) {
227 new_state = 1;
228 if (!(phydev->duplex))
229 ctrl &= ~priv->mac_type->hw.link.duplex;
230 else
231 ctrl |= priv->mac_type->hw.link.duplex;
232 priv->oldduplex = phydev->duplex;
233 }
234 /* Flow Control operation */
235 if (phydev->pause)
236 priv->mac_type->ops->flow_ctrl(ioaddr, phydev->duplex,
237 fc, pause_time);
238
239 if (phydev->speed != priv->speed) {
240 new_state = 1;
241 switch (phydev->speed) {
242 case 1000:
243 if (likely(priv->is_gmac))
244 ctrl &= ~priv->mac_type->hw.link.port;
245 break;
246 case 100:
247 case 10:
248 if (priv->is_gmac) {
249 ctrl |= priv->mac_type->hw.link.port;
250 if (phydev->speed == SPEED_100) {
251 ctrl |=
252 priv->mac_type->hw.link.
253 speed;
254 } else {
255 ctrl &=
256 ~(priv->mac_type->hw.
257 link.speed);
258 }
259 } else {
260 ctrl &= ~priv->mac_type->hw.link.port;
261 }
262 priv->fix_mac_speed(priv->bsp_priv,
263 phydev->speed);
264 break;
265 default:
266 if (netif_msg_link(priv))
267 pr_warning("%s: Speed (%d) is not 10"
268 " or 100!\n", dev->name, phydev->speed);
269 break;
270 }
271
272 priv->speed = phydev->speed;
273 }
274
275 writel(ctrl, ioaddr + MAC_CTRL_REG);
276
277 if (!priv->oldlink) {
278 new_state = 1;
279 priv->oldlink = 1;
280 }
281 } else if (priv->oldlink) {
282 new_state = 1;
283 priv->oldlink = 0;
284 priv->speed = 0;
285 priv->oldduplex = -1;
286 }
287
288 if (new_state && netif_msg_link(priv))
289 phy_print_status(phydev);
290
291 spin_unlock_irqrestore(&priv->lock, flags);
292
293 DBG(probe, DEBUG, "stmmac_adjust_link: exiting\n");
294}
295
296/**
297 * stmmac_init_phy - PHY initialization
298 * @dev: net device structure
299 * Description: it initializes the driver's PHY state, and attaches the PHY
300 * to the mac driver.
301 * Return value:
302 * 0 on success
303 */
304static int stmmac_init_phy(struct net_device *dev)
305{
306 struct stmmac_priv *priv = netdev_priv(dev);
307 struct phy_device *phydev;
308 char phy_id[BUS_ID_SIZE]; /* PHY to connect */
309 char bus_id[BUS_ID_SIZE];
310
311 priv->oldlink = 0;
312 priv->speed = 0;
313 priv->oldduplex = -1;
314
315 if (priv->phy_addr == -1) {
316 /* We don't have a PHY, so do nothing */
317 return 0;
318 }
319
320 snprintf(bus_id, MII_BUS_ID_SIZE, "%x", priv->bus_id);
321 snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, bus_id, priv->phy_addr);
322 pr_debug("stmmac_init_phy: trying to attach to %s\n", phy_id);
323
324 phydev = phy_connect(dev, phy_id, &stmmac_adjust_link, 0,
325 priv->phy_interface);
326
327 if (IS_ERR(phydev)) {
328 pr_err("%s: Could not attach to PHY\n", dev->name);
329 return PTR_ERR(phydev);
330 }
331
332 /*
333 * Broken HW is sometimes missing the pull-up resistor on the
334 * MDIO line, which results in reads to non-existent devices returning
335 * 0 rather than 0xffff. Catch this here and treat 0 as a non-existent
336 * device as well.
337 * Note: phydev->phy_id is the result of reading the UID PHY registers.
338 */
339 if (phydev->phy_id == 0) {
340 phy_disconnect(phydev);
341 return -ENODEV;
342 }
343 pr_debug("stmmac_init_phy: %s: attached to PHY (UID 0x%x)"
344 " Link = %d\n", dev->name, phydev->phy_id, phydev->link);
345
346 priv->phydev = phydev;
347
348 return 0;
349}
350
351static inline void stmmac_mac_enable_rx(unsigned long ioaddr)
352{
353 u32 value = readl(ioaddr + MAC_CTRL_REG);
354 value |= MAC_RNABLE_RX;
355 /* Set the RE (receive enable bit into the MAC CTRL register). */
356 writel(value, ioaddr + MAC_CTRL_REG);
357}
358
359static inline void stmmac_mac_enable_tx(unsigned long ioaddr)
360{
361 u32 value = readl(ioaddr + MAC_CTRL_REG);
362 value |= MAC_ENABLE_TX;
363 /* Set the TE (transmit enable bit into the MAC CTRL register). */
364 writel(value, ioaddr + MAC_CTRL_REG);
365}
366
367static inline void stmmac_mac_disable_rx(unsigned long ioaddr)
368{
369 u32 value = readl(ioaddr + MAC_CTRL_REG);
370 value &= ~MAC_RNABLE_RX;
371 writel(value, ioaddr + MAC_CTRL_REG);
372}
373
374static inline void stmmac_mac_disable_tx(unsigned long ioaddr)
375{
376 u32 value = readl(ioaddr + MAC_CTRL_REG);
377 value &= ~MAC_ENABLE_TX;
378 writel(value, ioaddr + MAC_CTRL_REG);
379}
380
381/**
382 * display_ring
383 * @p: pointer to the ring.
384 * @size: size of the ring.
385 * Description: display all the descriptors within the ring.
386 */
387static void display_ring(struct dma_desc *p, int size)
388{
389 struct tmp_s {
390 u64 a;
391 unsigned int b;
392 unsigned int c;
393 };
394 int i;
395 for (i = 0; i < size; i++) {
396 struct tmp_s *x = (struct tmp_s *)(p + i);
397 pr_info("\t%d [0x%x]: DES0=0x%x DES1=0x%x BUF1=0x%x BUF2=0x%x",
398 i, (unsigned int)virt_to_phys(&p[i]),
399 (unsigned int)(x->a), (unsigned int)((x->a) >> 32),
400 x->b, x->c);
401 pr_info("\n");
402 }
403}
404
405/**
406 * init_dma_desc_rings - init the RX/TX descriptor rings
407 * @dev: net device structure
408 * Description: this function initializes the DMA RX/TX descriptors
409 * and allocates the socket buffers.
410 */
411static void init_dma_desc_rings(struct net_device *dev)
412{
413 int i;
414 struct stmmac_priv *priv = netdev_priv(dev);
415 struct sk_buff *skb;
416 unsigned int txsize = priv->dma_tx_size;
417 unsigned int rxsize = priv->dma_rx_size;
418 unsigned int bfsize = priv->dma_buf_sz;
419 int buff2_needed = 0;
420 int dis_ic = 0;
421
422#ifdef CONFIG_STMMAC_TIMER
423 /* Using Timers disable interrupts on completion for the reception */
424 dis_ic = 1;
425#endif
426 /* Set the Buffer size according to the MTU;
427 * indeed, in case of jumbo we need to bump-up the buffer sizes.
428 */
429 if (unlikely(dev->mtu >= BUF_SIZE_8KiB))
430 bfsize = BUF_SIZE_16KiB;
431 else if (unlikely(dev->mtu >= BUF_SIZE_4KiB))
432 bfsize = BUF_SIZE_8KiB;
433 else if (unlikely(dev->mtu >= BUF_SIZE_2KiB))
434 bfsize = BUF_SIZE_4KiB;
435 else if (unlikely(dev->mtu >= DMA_BUFFER_SIZE))
436 bfsize = BUF_SIZE_2KiB;
437 else
438 bfsize = DMA_BUFFER_SIZE;
439
440 /* If the MTU exceeds 8k so use the second buffer in the chain */
441 if (bfsize >= BUF_SIZE_8KiB)
442 buff2_needed = 1;
443
444 DBG(probe, INFO, "stmmac: txsize %d, rxsize %d, bfsize %d\n",
445 txsize, rxsize, bfsize);
446
447 priv->rx_skbuff_dma = kmalloc(rxsize * sizeof(dma_addr_t), GFP_KERNEL);
448 priv->rx_skbuff =
449 kmalloc(sizeof(struct sk_buff *) * rxsize, GFP_KERNEL);
450 priv->dma_rx =
451 (struct dma_desc *)dma_alloc_coherent(priv->device,
452 rxsize *
453 sizeof(struct dma_desc),
454 &priv->dma_rx_phy,
455 GFP_KERNEL);
456 priv->tx_skbuff = kmalloc(sizeof(struct sk_buff *) * txsize,
457 GFP_KERNEL);
458 priv->dma_tx =
459 (struct dma_desc *)dma_alloc_coherent(priv->device,
460 txsize *
461 sizeof(struct dma_desc),
462 &priv->dma_tx_phy,
463 GFP_KERNEL);
464
465 if ((priv->dma_rx == NULL) || (priv->dma_tx == NULL)) {
466 pr_err("%s:ERROR allocating the DMA Tx/Rx desc\n", __func__);
467 return;
468 }
469
470 DBG(probe, INFO, "stmmac (%s) DMA desc rings: virt addr (Rx %p, "
471 "Tx %p)\n\tDMA phy addr (Rx 0x%08x, Tx 0x%08x)\n",
472 dev->name, priv->dma_rx, priv->dma_tx,
473 (unsigned int)priv->dma_rx_phy, (unsigned int)priv->dma_tx_phy);
474
475 /* RX INITIALIZATION */
476 DBG(probe, INFO, "stmmac: SKB addresses:\n"
477 "skb\t\tskb data\tdma data\n");
478
479 for (i = 0; i < rxsize; i++) {
480 struct dma_desc *p = priv->dma_rx + i;
481
482 skb = netdev_alloc_skb_ip_align(dev, bfsize);
483 if (unlikely(skb == NULL)) {
484 pr_err("%s: Rx init fails; skb is NULL\n", __func__);
485 break;
486 }
487 priv->rx_skbuff[i] = skb;
488 priv->rx_skbuff_dma[i] = dma_map_single(priv->device, skb->data,
489 bfsize, DMA_FROM_DEVICE);
490
491 p->des2 = priv->rx_skbuff_dma[i];
492 if (unlikely(buff2_needed))
493 p->des3 = p->des2 + BUF_SIZE_8KiB;
494 DBG(probe, INFO, "[%p]\t[%p]\t[%x]\n", priv->rx_skbuff[i],
495 priv->rx_skbuff[i]->data, priv->rx_skbuff_dma[i]);
496 }
497 priv->cur_rx = 0;
498 priv->dirty_rx = (unsigned int)(i - rxsize);
499 priv->dma_buf_sz = bfsize;
500 buf_sz = bfsize;
501
502 /* TX INITIALIZATION */
503 for (i = 0; i < txsize; i++) {
504 priv->tx_skbuff[i] = NULL;
505 priv->dma_tx[i].des2 = 0;
506 }
507 priv->dirty_tx = 0;
508 priv->cur_tx = 0;
509
510 /* Clear the Rx/Tx descriptors */
511 priv->mac_type->ops->init_rx_desc(priv->dma_rx, rxsize, dis_ic);
512 priv->mac_type->ops->init_tx_desc(priv->dma_tx, txsize);
513
514 if (netif_msg_hw(priv)) {
515 pr_info("RX descriptor ring:\n");
516 display_ring(priv->dma_rx, rxsize);
517 pr_info("TX descriptor ring:\n");
518 display_ring(priv->dma_tx, txsize);
519 }
520 return;
521}
522
523static void dma_free_rx_skbufs(struct stmmac_priv *priv)
524{
525 int i;
526
527 for (i = 0; i < priv->dma_rx_size; i++) {
528 if (priv->rx_skbuff[i]) {
529 dma_unmap_single(priv->device, priv->rx_skbuff_dma[i],
530 priv->dma_buf_sz, DMA_FROM_DEVICE);
531 dev_kfree_skb_any(priv->rx_skbuff[i]);
532 }
533 priv->rx_skbuff[i] = NULL;
534 }
535 return;
536}
537
538static void dma_free_tx_skbufs(struct stmmac_priv *priv)
539{
540 int i;
541
542 for (i = 0; i < priv->dma_tx_size; i++) {
543 if (priv->tx_skbuff[i] != NULL) {
544 struct dma_desc *p = priv->dma_tx + i;
545 if (p->des2)
546 dma_unmap_single(priv->device, p->des2,
547 priv->mac_type->ops->get_tx_len(p),
548 DMA_TO_DEVICE);
549 dev_kfree_skb_any(priv->tx_skbuff[i]);
550 priv->tx_skbuff[i] = NULL;
551 }
552 }
553 return;
554}
555
556static void free_dma_desc_resources(struct stmmac_priv *priv)
557{
558 /* Release the DMA TX/RX socket buffers */
559 dma_free_rx_skbufs(priv);
560 dma_free_tx_skbufs(priv);
561
562 /* Free the region of consistent memory previously allocated for
563 * the DMA */
564 dma_free_coherent(priv->device,
565 priv->dma_tx_size * sizeof(struct dma_desc),
566 priv->dma_tx, priv->dma_tx_phy);
567 dma_free_coherent(priv->device,
568 priv->dma_rx_size * sizeof(struct dma_desc),
569 priv->dma_rx, priv->dma_rx_phy);
570 kfree(priv->rx_skbuff_dma);
571 kfree(priv->rx_skbuff);
572 kfree(priv->tx_skbuff);
573
574 return;
575}
576
577/**
578 * stmmac_dma_start_tx
579 * @ioaddr: device I/O address
580 * Description: this function starts the DMA tx process.
581 */
582static void stmmac_dma_start_tx(unsigned long ioaddr)
583{
584 u32 value = readl(ioaddr + DMA_CONTROL);
585 value |= DMA_CONTROL_ST;
586 writel(value, ioaddr + DMA_CONTROL);
587 return;
588}
589
590static void stmmac_dma_stop_tx(unsigned long ioaddr)
591{
592 u32 value = readl(ioaddr + DMA_CONTROL);
593 value &= ~DMA_CONTROL_ST;
594 writel(value, ioaddr + DMA_CONTROL);
595 return;
596}
597
598/**
599 * stmmac_dma_start_rx
600 * @ioaddr: device I/O address
601 * Description: this function starts the DMA rx process.
602 */
603static void stmmac_dma_start_rx(unsigned long ioaddr)
604{
605 u32 value = readl(ioaddr + DMA_CONTROL);
606 value |= DMA_CONTROL_SR;
607 writel(value, ioaddr + DMA_CONTROL);
608
609 return;
610}
611
612static void stmmac_dma_stop_rx(unsigned long ioaddr)
613{
614 u32 value = readl(ioaddr + DMA_CONTROL);
615 value &= ~DMA_CONTROL_SR;
616 writel(value, ioaddr + DMA_CONTROL);
617
618 return;
619}
620
621/**
622 * stmmac_dma_operation_mode - HW DMA operation mode
623 * @priv : pointer to the private device structure.
624 * Description: it sets the DMA operation mode: tx/rx DMA thresholds
625 * or Store-And-Forward capability. It also verifies the COE for the
626 * transmission in case of Giga ETH.
627 */
628static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
629{
630 if (!priv->is_gmac) {
631 /* MAC 10/100 */
632 priv->mac_type->ops->dma_mode(priv->dev->base_addr, tc, 0);
633 priv->tx_coe = NO_HW_CSUM;
634 } else {
635 if ((priv->dev->mtu <= ETH_DATA_LEN) && (tx_coe)) {
636 priv->mac_type->ops->dma_mode(priv->dev->base_addr,
637 SF_DMA_MODE, SF_DMA_MODE);
638 tc = SF_DMA_MODE;
639 priv->tx_coe = HW_CSUM;
640 } else {
641 /* Checksum computation is performed in software. */
642 priv->mac_type->ops->dma_mode(priv->dev->base_addr, tc,
643 SF_DMA_MODE);
644 priv->tx_coe = NO_HW_CSUM;
645 }
646 }
647 tx_coe = priv->tx_coe;
648
649 return;
650}
651
652#ifdef STMMAC_DEBUG
653/**
654 * show_tx_process_state
655 * @status: tx descriptor status field
656 * Description: it shows the Transmit Process State for CSR5[22:20]
657 */
658static void show_tx_process_state(unsigned int status)
659{
660 unsigned int state;
661 state = (status & DMA_STATUS_TS_MASK) >> DMA_STATUS_TS_SHIFT;
662
663 switch (state) {
664 case 0:
665 pr_info("- TX (Stopped): Reset or Stop command\n");
666 break;
667 case 1:
668 pr_info("- TX (Running):Fetching the Tx desc\n");
669 break;
670 case 2:
671 pr_info("- TX (Running): Waiting for end of tx\n");
672 break;
673 case 3:
674 pr_info("- TX (Running): Reading the data "
675 "and queuing the data into the Tx buf\n");
676 break;
677 case 6:
678 pr_info("- TX (Suspended): Tx Buff Underflow "
679 "or an unavailable Transmit descriptor\n");
680 break;
681 case 7:
682 pr_info("- TX (Running): Closing Tx descriptor\n");
683 break;
684 default:
685 break;
686 }
687 return;
688}
689
690/**
691 * show_rx_process_state
692 * @status: rx descriptor status field
693 * Description: it shows the Receive Process State for CSR5[19:17]
694 */
695static void show_rx_process_state(unsigned int status)
696{
697 unsigned int state;
698 state = (status & DMA_STATUS_RS_MASK) >> DMA_STATUS_RS_SHIFT;
699
700 switch (state) {
701 case 0:
702 pr_info("- RX (Stopped): Reset or Stop command\n");
703 break;
704 case 1:
705 pr_info("- RX (Running): Fetching the Rx desc\n");
706 break;
707 case 2:
708 pr_info("- RX (Running):Checking for end of pkt\n");
709 break;
710 case 3:
711 pr_info("- RX (Running): Waiting for Rx pkt\n");
712 break;
713 case 4:
714 pr_info("- RX (Suspended): Unavailable Rx buf\n");
715 break;
716 case 5:
717 pr_info("- RX (Running): Closing Rx descriptor\n");
718 break;
719 case 6:
720 pr_info("- RX(Running): Flushing the current frame"
721 " from the Rx buf\n");
722 break;
723 case 7:
724 pr_info("- RX (Running): Queuing the Rx frame"
725 " from the Rx buf into memory\n");
726 break;
727 default:
728 break;
729 }
730 return;
731}
732#endif
733
734/**
735 * stmmac_tx:
736 * @priv: private driver structure
737 * Description: it reclaims resources after transmission completes.
738 */
739static void stmmac_tx(struct stmmac_priv *priv)
740{
741 unsigned int txsize = priv->dma_tx_size;
742 unsigned long ioaddr = priv->dev->base_addr;
743
744 while (priv->dirty_tx != priv->cur_tx) {
745 int last;
746 unsigned int entry = priv->dirty_tx % txsize;
747 struct sk_buff *skb = priv->tx_skbuff[entry];
748 struct dma_desc *p = priv->dma_tx + entry;
749
750 /* Check if the descriptor is owned by the DMA. */
751 if (priv->mac_type->ops->get_tx_owner(p))
752 break;
753
754 /* Verify tx error by looking at the last segment */
755 last = priv->mac_type->ops->get_tx_ls(p);
756 if (likely(last)) {
757 int tx_error =
758 priv->mac_type->ops->tx_status(&priv->dev->stats,
759 &priv->xstats,
760 p, ioaddr);
761 if (likely(tx_error == 0)) {
762 priv->dev->stats.tx_packets++;
763 priv->xstats.tx_pkt_n++;
764 } else
765 priv->dev->stats.tx_errors++;
766 }
767 TX_DBG("%s: curr %d, dirty %d\n", __func__,
768 priv->cur_tx, priv->dirty_tx);
769
770 if (likely(p->des2))
771 dma_unmap_single(priv->device, p->des2,
772 priv->mac_type->ops->get_tx_len(p),
773 DMA_TO_DEVICE);
774 if (unlikely(p->des3))
775 p->des3 = 0;
776
777 if (likely(skb != NULL)) {
778 /*
779 * If there's room in the queue (limit it to size)
780 * we add this skb back into the pool,
781 * if it's the right size.
782 */
783 if ((skb_queue_len(&priv->rx_recycle) <
784 priv->dma_rx_size) &&
785 skb_recycle_check(skb, priv->dma_buf_sz))
786 __skb_queue_head(&priv->rx_recycle, skb);
787 else
788 dev_kfree_skb(skb);
789
790 priv->tx_skbuff[entry] = NULL;
791 }
792
793 priv->mac_type->ops->release_tx_desc(p);
794
795 entry = (++priv->dirty_tx) % txsize;
796 }
797 if (unlikely(netif_queue_stopped(priv->dev) &&
798 stmmac_tx_avail(priv) > STMMAC_TX_THRESH(priv))) {
799 netif_tx_lock(priv->dev);
800 if (netif_queue_stopped(priv->dev) &&
801 stmmac_tx_avail(priv) > STMMAC_TX_THRESH(priv)) {
802 TX_DBG("%s: restart transmit\n", __func__);
803 netif_wake_queue(priv->dev);
804 }
805 netif_tx_unlock(priv->dev);
806 }
807 return;
808}
809
810static inline void stmmac_enable_irq(struct stmmac_priv *priv)
811{
812#ifndef CONFIG_STMMAC_TIMER
813 writel(DMA_INTR_DEFAULT_MASK, priv->dev->base_addr + DMA_INTR_ENA);
814#else
815 priv->tm->timer_start(tmrate);
816#endif
817}
818
819static inline void stmmac_disable_irq(struct stmmac_priv *priv)
820{
821#ifndef CONFIG_STMMAC_TIMER
822 writel(0, priv->dev->base_addr + DMA_INTR_ENA);
823#else
824 priv->tm->timer_stop();
825#endif
826}
827
828static int stmmac_has_work(struct stmmac_priv *priv)
829{
830 unsigned int has_work = 0;
831 int rxret, tx_work = 0;
832
833 rxret = priv->mac_type->ops->get_rx_owner(priv->dma_rx +
834 (priv->cur_rx % priv->dma_rx_size));
835
836 if (priv->dirty_tx != priv->cur_tx)
837 tx_work = 1;
838
839 if (likely(!rxret || tx_work))
840 has_work = 1;
841
842 return has_work;
843}
844
845static inline void _stmmac_schedule(struct stmmac_priv *priv)
846{
847 if (likely(stmmac_has_work(priv))) {
848 stmmac_disable_irq(priv);
849 napi_schedule(&priv->napi);
850 }
851}
852
853#ifdef CONFIG_STMMAC_TIMER
854void stmmac_schedule(struct net_device *dev)
855{
856 struct stmmac_priv *priv = netdev_priv(dev);
857
858 priv->xstats.sched_timer_n++;
859
860 _stmmac_schedule(priv);
861
862 return;
863}
864
865static void stmmac_no_timer_started(unsigned int x)
866{;
867};
868
869static void stmmac_no_timer_stopped(void)
870{;
871};
872#endif
873
874/**
875 * stmmac_tx_err:
876 * @priv: pointer to the private device structure
877 * Description: it cleans the descriptors and restarts the transmission
878 * in case of errors.
879 */
880static void stmmac_tx_err(struct stmmac_priv *priv)
881{
882 netif_stop_queue(priv->dev);
883
884 stmmac_dma_stop_tx(priv->dev->base_addr);
885 dma_free_tx_skbufs(priv);
886 priv->mac_type->ops->init_tx_desc(priv->dma_tx, priv->dma_tx_size);
887 priv->dirty_tx = 0;
888 priv->cur_tx = 0;
889 stmmac_dma_start_tx(priv->dev->base_addr);
890
891 priv->dev->stats.tx_errors++;
892 netif_wake_queue(priv->dev);
893
894 return;
895}
896
897/**
898 * stmmac_dma_interrupt - Interrupt handler for the driver
899 * @dev: net device structure
900 * Description: Interrupt handler for the driver (DMA).
901 */
902static void stmmac_dma_interrupt(struct net_device *dev)
903{
904 unsigned long ioaddr = dev->base_addr;
905 struct stmmac_priv *priv = netdev_priv(dev);
906 /* read the status register (CSR5) */
907 u32 intr_status = readl(ioaddr + DMA_STATUS);
908
909 DBG(intr, INFO, "%s: [CSR5: 0x%08x]\n", __func__, intr_status);
910
911#ifdef STMMAC_DEBUG
912 /* It displays the DMA transmit process state (CSR5 register) */
913 if (netif_msg_tx_done(priv))
914 show_tx_process_state(intr_status);
915 if (netif_msg_rx_status(priv))
916 show_rx_process_state(intr_status);
917#endif
918 /* ABNORMAL interrupts */
919 if (unlikely(intr_status & DMA_STATUS_AIS)) {
920 DBG(intr, INFO, "CSR5[15] DMA ABNORMAL IRQ: ");
921 if (unlikely(intr_status & DMA_STATUS_UNF)) {
922 DBG(intr, INFO, "transmit underflow\n");
923 if (unlikely(tc != SF_DMA_MODE)
924 && (tc <= 256)) {
925 /* Try to bump up the threshold */
926 tc += 64;
927 priv->mac_type->ops->dma_mode(ioaddr, tc,
928 SF_DMA_MODE);
929 priv->xstats.threshold = tc;
930 }
931 stmmac_tx_err(priv);
932 priv->xstats.tx_undeflow_irq++;
933 }
934 if (unlikely(intr_status & DMA_STATUS_TJT)) {
935 DBG(intr, INFO, "transmit jabber\n");
936 priv->xstats.tx_jabber_irq++;
937 }
938 if (unlikely(intr_status & DMA_STATUS_OVF)) {
939 DBG(intr, INFO, "recv overflow\n");
940 priv->xstats.rx_overflow_irq++;
941 }
942 if (unlikely(intr_status & DMA_STATUS_RU)) {
943 DBG(intr, INFO, "receive buffer unavailable\n");
944 priv->xstats.rx_buf_unav_irq++;
945 }
946 if (unlikely(intr_status & DMA_STATUS_RPS)) {
947 DBG(intr, INFO, "receive process stopped\n");
948 priv->xstats.rx_process_stopped_irq++;
949 }
950 if (unlikely(intr_status & DMA_STATUS_RWT)) {
951 DBG(intr, INFO, "receive watchdog\n");
952 priv->xstats.rx_watchdog_irq++;
953 }
954 if (unlikely(intr_status & DMA_STATUS_ETI)) {
955 DBG(intr, INFO, "transmit early interrupt\n");
956 priv->xstats.tx_early_irq++;
957 }
958 if (unlikely(intr_status & DMA_STATUS_TPS)) {
959 DBG(intr, INFO, "transmit process stopped\n");
960 priv->xstats.tx_process_stopped_irq++;
961 stmmac_tx_err(priv);
962 }
963 if (unlikely(intr_status & DMA_STATUS_FBI)) {
964 DBG(intr, INFO, "fatal bus error\n");
965 priv->xstats.fatal_bus_error_irq++;
966 stmmac_tx_err(priv);
967 }
968 }
969
970 /* TX/RX NORMAL interrupts */
971 if (intr_status & DMA_STATUS_NIS) {
972 priv->xstats.normal_irq_n++;
973 if (likely((intr_status & DMA_STATUS_RI) ||
974 (intr_status & (DMA_STATUS_TI))))
975 _stmmac_schedule(priv);
976 }
977
978 /* Optional hardware blocks, interrupts should be disabled */
979 if (unlikely(intr_status &
980 (DMA_STATUS_GPI | DMA_STATUS_GMI | DMA_STATUS_GLI)))
981 pr_info("%s: unexpected status %08x\n", __func__, intr_status);
982
983 /* Clear the interrupt by writing a logic 1 to the CSR5[15-0] */
984 writel((intr_status & 0x1ffff), ioaddr + DMA_STATUS);
985
986 DBG(intr, INFO, "\n\n");
987
988 return;
989}
990
991/**
992 * stmmac_open - open entry point of the driver
993 * @dev : pointer to the device structure.
994 * Description:
995 * This function is the open entry point of the driver.
996 * Return value:
997 * 0 on success and an appropriate (-)ve integer as defined in errno.h
998 * file on failure.
999 */
1000static int stmmac_open(struct net_device *dev)
1001{
1002 struct stmmac_priv *priv = netdev_priv(dev);
1003 unsigned long ioaddr = dev->base_addr;
1004 int ret;
1005
1006 /* Check that the MAC address is valid. If its not, refuse
1007 * to bring the device up. The user must specify an
1008 * address using the following linux command:
1009 * ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx */
1010 if (!is_valid_ether_addr(dev->dev_addr)) {
1011 random_ether_addr(dev->dev_addr);
1012 pr_warning("%s: generated random MAC address %pM\n", dev->name,
1013 dev->dev_addr);
1014 }
1015
1016 stmmac_verify_args();
1017
1018 ret = stmmac_init_phy(dev);
1019 if (unlikely(ret)) {
1020 pr_err("%s: Cannot attach to PHY (error: %d)\n", __func__, ret);
1021 return ret;
1022 }
1023
1024 /* Request the IRQ lines */
1025 ret = request_irq(dev->irq, &stmmac_interrupt,
1026 IRQF_SHARED, dev->name, dev);
1027 if (unlikely(ret < 0)) {
1028 pr_err("%s: ERROR: allocating the IRQ %d (error: %d)\n",
1029 __func__, dev->irq, ret);
1030 return ret;
1031 }
1032
1033#ifdef CONFIG_STMMAC_TIMER
1034 priv->tm = kmalloc(sizeof(struct stmmac_timer *), GFP_KERNEL);
1035 if (unlikely(priv->tm == NULL)) {
1036 pr_err("%s: ERROR: timer memory alloc failed \n", __func__);
1037 return -ENOMEM;
1038 }
1039 priv->tm->freq = tmrate;
1040
1041 /* Test if the HW timer can be actually used.
1042 * In case of failure continue with no timer. */
1043 if (unlikely((stmmac_open_ext_timer(dev, priv->tm)) < 0)) {
1044 pr_warning("stmmaceth: cannot attach the HW timer\n");
1045 tmrate = 0;
1046 priv->tm->freq = 0;
1047 priv->tm->timer_start = stmmac_no_timer_started;
1048 priv->tm->timer_stop = stmmac_no_timer_stopped;
1049 }
1050#endif
1051
1052 /* Create and initialize the TX/RX descriptors chains. */
1053 priv->dma_tx_size = STMMAC_ALIGN(dma_txsize);
1054 priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
1055 priv->dma_buf_sz = STMMAC_ALIGN(buf_sz);
1056 init_dma_desc_rings(dev);
1057
1058 /* DMA initialization and SW reset */
1059 if (unlikely(priv->mac_type->ops->dma_init(ioaddr,
1060 priv->pbl, priv->dma_tx_phy, priv->dma_rx_phy) < 0)) {
1061
1062 pr_err("%s: DMA initialization failed\n", __func__);
1063 return -1;
1064 }
1065
1066 /* Copy the MAC addr into the HW */
1067 priv->mac_type->ops->set_umac_addr(ioaddr, dev->dev_addr, 0);
1068 /* Initialize the MAC Core */
1069 priv->mac_type->ops->core_init(ioaddr);
1070
1071 priv->shutdown = 0;
1072
1073 /* Initialise the MMC (if present) to disable all interrupts. */
1074 writel(0xffffffff, ioaddr + MMC_HIGH_INTR_MASK);
1075 writel(0xffffffff, ioaddr + MMC_LOW_INTR_MASK);
1076
1077 /* Enable the MAC Rx/Tx */
1078 stmmac_mac_enable_rx(ioaddr);
1079 stmmac_mac_enable_tx(ioaddr);
1080
1081 /* Set the HW DMA mode and the COE */
1082 stmmac_dma_operation_mode(priv);
1083
1084 /* Extra statistics */
1085 memset(&priv->xstats, 0, sizeof(struct stmmac_extra_stats));
1086 priv->xstats.threshold = tc;
1087
1088 /* Start the ball rolling... */
1089 DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);
1090 stmmac_dma_start_tx(ioaddr);
1091 stmmac_dma_start_rx(ioaddr);
1092
1093#ifdef CONFIG_STMMAC_TIMER
1094 priv->tm->timer_start(tmrate);
1095#endif
1096 /* Dump DMA/MAC registers */
1097 if (netif_msg_hw(priv)) {
1098 priv->mac_type->ops->dump_mac_regs(ioaddr);
1099 priv->mac_type->ops->dump_dma_regs(ioaddr);
1100 }
1101
1102 if (priv->phydev)
1103 phy_start(priv->phydev);
1104
1105 napi_enable(&priv->napi);
1106 skb_queue_head_init(&priv->rx_recycle);
1107 netif_start_queue(dev);
1108 return 0;
1109}
1110
1111/**
1112 * stmmac_release - close entry point of the driver
1113 * @dev : device pointer.
1114 * Description:
1115 * This is the stop entry point of the driver.
1116 */
1117static int stmmac_release(struct net_device *dev)
1118{
1119 struct stmmac_priv *priv = netdev_priv(dev);
1120
1121 /* Stop and disconnect the PHY */
1122 if (priv->phydev) {
1123 phy_stop(priv->phydev);
1124 phy_disconnect(priv->phydev);
1125 priv->phydev = NULL;
1126 }
1127
1128 netif_stop_queue(dev);
1129
1130#ifdef CONFIG_STMMAC_TIMER
1131 /* Stop and release the timer */
1132 stmmac_close_ext_timer();
1133 if (priv->tm != NULL)
1134 kfree(priv->tm);
1135#endif
1136 napi_disable(&priv->napi);
1137 skb_queue_purge(&priv->rx_recycle);
1138
1139 /* Free the IRQ lines */
1140 free_irq(dev->irq, dev);
1141
1142 /* Stop TX/RX DMA and clear the descriptors */
1143 stmmac_dma_stop_tx(dev->base_addr);
1144 stmmac_dma_stop_rx(dev->base_addr);
1145
1146 /* Release and free the Rx/Tx resources */
1147 free_dma_desc_resources(priv);
1148
1149 /* Disable the MAC core */
1150 stmmac_mac_disable_tx(dev->base_addr);
1151 stmmac_mac_disable_rx(dev->base_addr);
1152
1153 netif_carrier_off(dev);
1154
1155 return 0;
1156}
1157
1158/*
1159 * To perform emulated hardware segmentation on skb.
1160 */
1161static int stmmac_sw_tso(struct stmmac_priv *priv, struct sk_buff *skb)
1162{
1163 struct sk_buff *segs, *curr_skb;
1164 int gso_segs = skb_shinfo(skb)->gso_segs;
1165
1166 /* Estimate the number of fragments in the worst case */
1167 if (unlikely(stmmac_tx_avail(priv) < gso_segs)) {
1168 netif_stop_queue(priv->dev);
1169 TX_DBG(KERN_ERR "%s: TSO BUG! Tx Ring full when queue awake\n",
1170 __func__);
1171 if (stmmac_tx_avail(priv) < gso_segs)
1172 return NETDEV_TX_BUSY;
1173
1174 netif_wake_queue(priv->dev);
1175 }
1176 TX_DBG("\tstmmac_sw_tso: segmenting: skb %p (len %d)\n",
1177 skb, skb->len);
1178
1179 segs = skb_gso_segment(skb, priv->dev->features & ~NETIF_F_TSO);
1180 if (unlikely(IS_ERR(segs)))
1181 goto sw_tso_end;
1182
1183 do {
1184 curr_skb = segs;
1185 segs = segs->next;
1186 TX_DBG("\t\tcurrent skb->len: %d, *curr %p,"
1187 "*next %p\n", curr_skb->len, curr_skb, segs);
1188 curr_skb->next = NULL;
1189 stmmac_xmit(curr_skb, priv->dev);
1190 } while (segs);
1191
1192sw_tso_end:
1193 dev_kfree_skb(skb);
1194
1195 return NETDEV_TX_OK;
1196}
1197
1198static unsigned int stmmac_handle_jumbo_frames(struct sk_buff *skb,
1199 struct net_device *dev,
1200 int csum_insertion)
1201{
1202 struct stmmac_priv *priv = netdev_priv(dev);
1203 unsigned int nopaged_len = skb_headlen(skb);
1204 unsigned int txsize = priv->dma_tx_size;
1205 unsigned int entry = priv->cur_tx % txsize;
1206 struct dma_desc *desc = priv->dma_tx + entry;
1207
1208 if (nopaged_len > BUF_SIZE_8KiB) {
1209
1210 int buf2_size = nopaged_len - BUF_SIZE_8KiB;
1211
1212 desc->des2 = dma_map_single(priv->device, skb->data,
1213 BUF_SIZE_8KiB, DMA_TO_DEVICE);
1214 desc->des3 = desc->des2 + BUF_SIZE_4KiB;
1215 priv->mac_type->ops->prepare_tx_desc(desc, 1, BUF_SIZE_8KiB,
1216 csum_insertion);
1217
1218 entry = (++priv->cur_tx) % txsize;
1219 desc = priv->dma_tx + entry;
1220
1221 desc->des2 = dma_map_single(priv->device,
1222 skb->data + BUF_SIZE_8KiB,
1223 buf2_size, DMA_TO_DEVICE);
1224 desc->des3 = desc->des2 + BUF_SIZE_4KiB;
1225 priv->mac_type->ops->prepare_tx_desc(desc, 0,
1226 buf2_size, csum_insertion);
1227 priv->mac_type->ops->set_tx_owner(desc);
1228 priv->tx_skbuff[entry] = NULL;
1229 } else {
1230 desc->des2 = dma_map_single(priv->device, skb->data,
1231 nopaged_len, DMA_TO_DEVICE);
1232 desc->des3 = desc->des2 + BUF_SIZE_4KiB;
1233 priv->mac_type->ops->prepare_tx_desc(desc, 1, nopaged_len,
1234 csum_insertion);
1235 }
1236 return entry;
1237}
1238
1239/**
1240 * stmmac_xmit:
1241 * @skb : the socket buffer
1242 * @dev : device pointer
1243 * Description : Tx entry point of the driver.
1244 */
1245static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
1246{
1247 struct stmmac_priv *priv = netdev_priv(dev);
1248 unsigned int txsize = priv->dma_tx_size;
1249 unsigned int entry;
1250 int i, csum_insertion = 0;
1251 int nfrags = skb_shinfo(skb)->nr_frags;
1252 struct dma_desc *desc, *first;
1253
1254 if (unlikely(stmmac_tx_avail(priv) < nfrags + 1)) {
1255 if (!netif_queue_stopped(dev)) {
1256 netif_stop_queue(dev);
1257 /* This is a hard error, log it. */
1258 pr_err("%s: BUG! Tx Ring full when queue awake\n",
1259 __func__);
1260 }
1261 return NETDEV_TX_BUSY;
1262 }
1263
1264 entry = priv->cur_tx % txsize;
1265
1266#ifdef STMMAC_XMIT_DEBUG
1267 if ((skb->len > ETH_FRAME_LEN) || nfrags)
1268 pr_info("stmmac xmit:\n"
1269 "\tskb addr %p - len: %d - nopaged_len: %d\n"
1270 "\tn_frags: %d - ip_summed: %d - %s gso\n",
1271 skb, skb->len, skb_headlen(skb), nfrags, skb->ip_summed,
1272 !skb_is_gso(skb) ? "isn't" : "is");
1273#endif
1274
1275 if (unlikely(skb_is_gso(skb)))
1276 return stmmac_sw_tso(priv, skb);
1277
1278 if (likely((skb->ip_summed == CHECKSUM_PARTIAL))) {
1279 if (likely(priv->tx_coe == NO_HW_CSUM))
1280 skb_checksum_help(skb);
1281 else
1282 csum_insertion = 1;
1283 }
1284
1285 desc = priv->dma_tx + entry;
1286 first = desc;
1287
1288#ifdef STMMAC_XMIT_DEBUG
1289 if ((nfrags > 0) || (skb->len > ETH_FRAME_LEN))
1290 pr_debug("stmmac xmit: skb len: %d, nopaged_len: %d,\n"
1291 "\t\tn_frags: %d, ip_summed: %d\n",
1292 skb->len, skb_headlen(skb), nfrags, skb->ip_summed);
1293#endif
1294 priv->tx_skbuff[entry] = skb;
1295 if (unlikely(skb->len >= BUF_SIZE_4KiB)) {
1296 entry = stmmac_handle_jumbo_frames(skb, dev, csum_insertion);
1297 desc = priv->dma_tx + entry;
1298 } else {
1299 unsigned int nopaged_len = skb_headlen(skb);
1300 desc->des2 = dma_map_single(priv->device, skb->data,
1301 nopaged_len, DMA_TO_DEVICE);
1302 priv->mac_type->ops->prepare_tx_desc(desc, 1, nopaged_len,
1303 csum_insertion);
1304 }
1305
1306 for (i = 0; i < nfrags; i++) {
1307 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
1308 int len = frag->size;
1309
1310 entry = (++priv->cur_tx) % txsize;
1311 desc = priv->dma_tx + entry;
1312
1313 TX_DBG("\t[entry %d] segment len: %d\n", entry, len);
1314 desc->des2 = dma_map_page(priv->device, frag->page,
1315 frag->page_offset,
1316 len, DMA_TO_DEVICE);
1317 priv->tx_skbuff[entry] = NULL;
1318 priv->mac_type->ops->prepare_tx_desc(desc, 0, len,
1319 csum_insertion);
1320 priv->mac_type->ops->set_tx_owner(desc);
1321 }
1322
1323 /* Interrupt on completition only for the latest segment */
1324 priv->mac_type->ops->close_tx_desc(desc);
1325#ifdef CONFIG_STMMAC_TIMER
1326 /* Clean IC while using timers */
1327 priv->mac_type->ops->clear_tx_ic(desc);
1328#endif
1329 /* To avoid raise condition */
1330 priv->mac_type->ops->set_tx_owner(first);
1331
1332 priv->cur_tx++;
1333
1334#ifdef STMMAC_XMIT_DEBUG
1335 if (netif_msg_pktdata(priv)) {
1336 pr_info("stmmac xmit: current=%d, dirty=%d, entry=%d, "
1337 "first=%p, nfrags=%d\n",
1338 (priv->cur_tx % txsize), (priv->dirty_tx % txsize),
1339 entry, first, nfrags);
1340 display_ring(priv->dma_tx, txsize);
1341 pr_info(">>> frame to be transmitted: ");
1342 print_pkt(skb->data, skb->len);
1343 }
1344#endif
1345 if (unlikely(stmmac_tx_avail(priv) <= (MAX_SKB_FRAGS + 1))) {
1346 TX_DBG("%s: stop transmitted packets\n", __func__);
1347 netif_stop_queue(dev);
1348 }
1349
1350 dev->stats.tx_bytes += skb->len;
1351
1352 /* CSR1 enables the transmit DMA to check for new descriptor */
1353 writel(1, dev->base_addr + DMA_XMT_POLL_DEMAND);
1354
1355 return NETDEV_TX_OK;
1356}
1357
1358static inline void stmmac_rx_refill(struct stmmac_priv *priv)
1359{
1360 unsigned int rxsize = priv->dma_rx_size;
1361 int bfsize = priv->dma_buf_sz;
1362 struct dma_desc *p = priv->dma_rx;
1363
1364 for (; priv->cur_rx - priv->dirty_rx > 0; priv->dirty_rx++) {
1365 unsigned int entry = priv->dirty_rx % rxsize;
1366 if (likely(priv->rx_skbuff[entry] == NULL)) {
1367 struct sk_buff *skb;
1368
1369 skb = __skb_dequeue(&priv->rx_recycle);
1370 if (skb == NULL)
1371 skb = netdev_alloc_skb_ip_align(priv->dev,
1372 bfsize);
1373
1374 if (unlikely(skb == NULL))
1375 break;
1376
1377 priv->rx_skbuff[entry] = skb;
1378 priv->rx_skbuff_dma[entry] =
1379 dma_map_single(priv->device, skb->data, bfsize,
1380 DMA_FROM_DEVICE);
1381
1382 (p + entry)->des2 = priv->rx_skbuff_dma[entry];
1383 if (unlikely(priv->is_gmac)) {
1384 if (bfsize >= BUF_SIZE_8KiB)
1385 (p + entry)->des3 =
1386 (p + entry)->des2 + BUF_SIZE_8KiB;
1387 }
1388 RX_DBG(KERN_INFO "\trefill entry #%d\n", entry);
1389 }
1390 priv->mac_type->ops->set_rx_owner(p + entry);
1391 }
1392 return;
1393}
1394
1395static int stmmac_rx(struct stmmac_priv *priv, int limit)
1396{
1397 unsigned int rxsize = priv->dma_rx_size;
1398 unsigned int entry = priv->cur_rx % rxsize;
1399 unsigned int next_entry;
1400 unsigned int count = 0;
1401 struct dma_desc *p = priv->dma_rx + entry;
1402 struct dma_desc *p_next;
1403
1404#ifdef STMMAC_RX_DEBUG
1405 if (netif_msg_hw(priv)) {
1406 pr_debug(">>> stmmac_rx: descriptor ring:\n");
1407 display_ring(priv->dma_rx, rxsize);
1408 }
1409#endif
1410 count = 0;
1411 while (!priv->mac_type->ops->get_rx_owner(p)) {
1412 int status;
1413
1414 if (count >= limit)
1415 break;
1416
1417 count++;
1418
1419 next_entry = (++priv->cur_rx) % rxsize;
1420 p_next = priv->dma_rx + next_entry;
1421 prefetch(p_next);
1422
1423 /* read the status of the incoming frame */
1424 status = (priv->mac_type->ops->rx_status(&priv->dev->stats,
1425 &priv->xstats, p));
1426 if (unlikely(status == discard_frame))
1427 priv->dev->stats.rx_errors++;
1428 else {
1429 struct sk_buff *skb;
1430 /* Length should omit the CRC */
1431 int frame_len =
1432 priv->mac_type->ops->get_rx_frame_len(p) - 4;
1433
1434#ifdef STMMAC_RX_DEBUG
1435 if (frame_len > ETH_FRAME_LEN)
1436 pr_debug("\tRX frame size %d, COE status: %d\n",
1437 frame_len, status);
1438
1439 if (netif_msg_hw(priv))
1440 pr_debug("\tdesc: %p [entry %d] buff=0x%x\n",
1441 p, entry, p->des2);
1442#endif
1443 skb = priv->rx_skbuff[entry];
1444 if (unlikely(!skb)) {
1445 pr_err("%s: Inconsistent Rx descriptor chain\n",
1446 priv->dev->name);
1447 priv->dev->stats.rx_dropped++;
1448 break;
1449 }
1450 prefetch(skb->data - NET_IP_ALIGN);
1451 priv->rx_skbuff[entry] = NULL;
1452
1453 skb_put(skb, frame_len);
1454 dma_unmap_single(priv->device,
1455 priv->rx_skbuff_dma[entry],
1456 priv->dma_buf_sz, DMA_FROM_DEVICE);
1457#ifdef STMMAC_RX_DEBUG
1458 if (netif_msg_pktdata(priv)) {
1459 pr_info(" frame received (%dbytes)", frame_len);
1460 print_pkt(skb->data, frame_len);
1461 }
1462#endif
1463 skb->protocol = eth_type_trans(skb, priv->dev);
1464
1465 if (unlikely(status == csum_none)) {
1466 /* always for the old mac 10/100 */
1467 skb->ip_summed = CHECKSUM_NONE;
1468 netif_receive_skb(skb);
1469 } else {
1470 skb->ip_summed = CHECKSUM_UNNECESSARY;
1471 napi_gro_receive(&priv->napi, skb);
1472 }
1473
1474 priv->dev->stats.rx_packets++;
1475 priv->dev->stats.rx_bytes += frame_len;
1476 priv->dev->last_rx = jiffies;
1477 }
1478 entry = next_entry;
1479 p = p_next; /* use prefetched values */
1480 }
1481
1482 stmmac_rx_refill(priv);
1483
1484 priv->xstats.rx_pkt_n += count;
1485
1486 return count;
1487}
1488
1489/**
1490 * stmmac_poll - stmmac poll method (NAPI)
1491 * @napi : pointer to the napi structure.
1492 * @budget : maximum number of packets that the current CPU can receive from
1493 * all interfaces.
1494 * Description :
1495 * This function implements the the reception process.
1496 * Also it runs the TX completion thread
1497 */
1498static int stmmac_poll(struct napi_struct *napi, int budget)
1499{
1500 struct stmmac_priv *priv = container_of(napi, struct stmmac_priv, napi);
1501 int work_done = 0;
1502
1503 priv->xstats.poll_n++;
1504 stmmac_tx(priv);
1505 work_done = stmmac_rx(priv, budget);
1506
1507 if (work_done < budget) {
1508 napi_complete(napi);
1509 stmmac_enable_irq(priv);
1510 }
1511 return work_done;
1512}
1513
1514/**
1515 * stmmac_tx_timeout
1516 * @dev : Pointer to net device structure
1517 * Description: this function is called when a packet transmission fails to
1518 * complete within a reasonable tmrate. The driver will mark the error in the
1519 * netdev structure and arrange for the device to be reset to a sane state
1520 * in order to transmit a new packet.
1521 */
1522static void stmmac_tx_timeout(struct net_device *dev)
1523{
1524 struct stmmac_priv *priv = netdev_priv(dev);
1525
1526 /* Clear Tx resources and restart transmitting again */
1527 stmmac_tx_err(priv);
1528 return;
1529}
1530
1531/* Configuration changes (passed on by ifconfig) */
1532static int stmmac_config(struct net_device *dev, struct ifmap *map)
1533{
1534 if (dev->flags & IFF_UP) /* can't act on a running interface */
1535 return -EBUSY;
1536
1537 /* Don't allow changing the I/O address */
1538 if (map->base_addr != dev->base_addr) {
1539 pr_warning("%s: can't change I/O address\n", dev->name);
1540 return -EOPNOTSUPP;
1541 }
1542
1543 /* Don't allow changing the IRQ */
1544 if (map->irq != dev->irq) {
1545 pr_warning("%s: can't change IRQ number %d\n",
1546 dev->name, dev->irq);
1547 return -EOPNOTSUPP;
1548 }
1549
1550 /* ignore other fields */
1551 return 0;
1552}
1553
1554/**
1555 * stmmac_multicast_list - entry point for multicast addressing
1556 * @dev : pointer to the device structure
1557 * Description:
1558 * This function is a driver entry point which gets called by the kernel
1559 * whenever multicast addresses must be enabled/disabled.
1560 * Return value:
1561 * void.
1562 */
1563static void stmmac_multicast_list(struct net_device *dev)
1564{
1565 struct stmmac_priv *priv = netdev_priv(dev);
1566
1567 spin_lock(&priv->lock);
1568 priv->mac_type->ops->set_filter(dev);
1569 spin_unlock(&priv->lock);
1570 return;
1571}
1572
1573/**
1574 * stmmac_change_mtu - entry point to change MTU size for the device.
1575 * @dev : device pointer.
1576 * @new_mtu : the new MTU size for the device.
1577 * Description: the Maximum Transfer Unit (MTU) is used by the network layer
1578 * to drive packet transmission. Ethernet has an MTU of 1500 octets
1579 * (ETH_DATA_LEN). This value can be changed with ifconfig.
1580 * Return value:
1581 * 0 on success and an appropriate (-)ve integer as defined in errno.h
1582 * file on failure.
1583 */
1584static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
1585{
1586 struct stmmac_priv *priv = netdev_priv(dev);
1587 int max_mtu;
1588
1589 if (netif_running(dev)) {
1590 pr_err("%s: must be stopped to change its MTU\n", dev->name);
1591 return -EBUSY;
1592 }
1593
1594 if (priv->is_gmac)
1595 max_mtu = JUMBO_LEN;
1596 else
1597 max_mtu = ETH_DATA_LEN;
1598
1599 if ((new_mtu < 46) || (new_mtu > max_mtu)) {
1600 pr_err("%s: invalid MTU, max MTU is: %d\n", dev->name, max_mtu);
1601 return -EINVAL;
1602 }
1603
1604 dev->mtu = new_mtu;
1605
1606 return 0;
1607}
1608
1609static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
1610{
1611 struct net_device *dev = (struct net_device *)dev_id;
1612 struct stmmac_priv *priv = netdev_priv(dev);
1613
1614 if (unlikely(!dev)) {
1615 pr_err("%s: invalid dev pointer\n", __func__);
1616 return IRQ_NONE;
1617 }
1618
1619 if (priv->is_gmac) {
1620 unsigned long ioaddr = dev->base_addr;
1621 /* To handle GMAC own interrupts */
1622 priv->mac_type->ops->host_irq_status(ioaddr);
1623 }
1624 stmmac_dma_interrupt(dev);
1625
1626 return IRQ_HANDLED;
1627}
1628
1629#ifdef CONFIG_NET_POLL_CONTROLLER
1630/* Polling receive - used by NETCONSOLE and other diagnostic tools
1631 * to allow network I/O with interrupts disabled. */
1632static void stmmac_poll_controller(struct net_device *dev)
1633{
1634 disable_irq(dev->irq);
1635 stmmac_interrupt(dev->irq, dev);
1636 enable_irq(dev->irq);
1637}
1638#endif
1639
1640/**
1641 * stmmac_ioctl - Entry point for the Ioctl
1642 * @dev: Device pointer.
1643 * @rq: An IOCTL specefic structure, that can contain a pointer to
1644 * a proprietary structure used to pass information to the driver.
1645 * @cmd: IOCTL command
1646 * Description:
1647 * Currently there are no special functionality supported in IOCTL, just the
1648 * phy_mii_ioctl(...) can be invoked.
1649 */
1650static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
1651{
1652 struct stmmac_priv *priv = netdev_priv(dev);
1653 int ret = -EOPNOTSUPP;
1654
1655 if (!netif_running(dev))
1656 return -EINVAL;
1657
1658 switch (cmd) {
1659 case SIOCGMIIPHY:
1660 case SIOCGMIIREG:
1661 case SIOCSMIIREG:
1662 if (!priv->phydev)
1663 return -EINVAL;
1664
1665 spin_lock(&priv->lock);
1666 ret = phy_mii_ioctl(priv->phydev, if_mii(rq), cmd);
1667 spin_unlock(&priv->lock);
1668 default:
1669 break;
1670 }
1671 return ret;
1672}
1673
1674#ifdef STMMAC_VLAN_TAG_USED
1675static void stmmac_vlan_rx_register(struct net_device *dev,
1676 struct vlan_group *grp)
1677{
1678 struct stmmac_priv *priv = netdev_priv(dev);
1679
1680 DBG(probe, INFO, "%s: Setting vlgrp to %p\n", dev->name, grp);
1681
1682 spin_lock(&priv->lock);
1683 priv->vlgrp = grp;
1684 spin_unlock(&priv->lock);
1685
1686 return;
1687}
1688#endif
1689
1690static const struct net_device_ops stmmac_netdev_ops = {
1691 .ndo_open = stmmac_open,
1692 .ndo_start_xmit = stmmac_xmit,
1693 .ndo_stop = stmmac_release,
1694 .ndo_change_mtu = stmmac_change_mtu,
1695 .ndo_set_multicast_list = stmmac_multicast_list,
1696 .ndo_tx_timeout = stmmac_tx_timeout,
1697 .ndo_do_ioctl = stmmac_ioctl,
1698 .ndo_set_config = stmmac_config,
1699#ifdef STMMAC_VLAN_TAG_USED
1700 .ndo_vlan_rx_register = stmmac_vlan_rx_register,
1701#endif
1702#ifdef CONFIG_NET_POLL_CONTROLLER
1703 .ndo_poll_controller = stmmac_poll_controller,
1704#endif
1705 .ndo_set_mac_address = eth_mac_addr,
1706};
1707
1708/**
1709 * stmmac_probe - Initialization of the adapter .
1710 * @dev : device pointer
1711 * Description: The function initializes the network device structure for
1712 * the STMMAC driver. It also calls the low level routines
1713 * in order to init the HW (i.e. the DMA engine)
1714 */
1715static int stmmac_probe(struct net_device *dev)
1716{
1717 int ret = 0;
1718 struct stmmac_priv *priv = netdev_priv(dev);
1719
1720 ether_setup(dev);
1721
1722 dev->netdev_ops = &stmmac_netdev_ops;
1723 stmmac_set_ethtool_ops(dev);
1724
1725 dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA);
1726 dev->watchdog_timeo = msecs_to_jiffies(watchdog);
1727#ifdef STMMAC_VLAN_TAG_USED
1728 /* Both mac100 and gmac support receive VLAN tag detection */
1729 dev->features |= NETIF_F_HW_VLAN_RX;
1730#endif
1731 priv->msg_enable = netif_msg_init(debug, default_msg_level);
1732
1733 if (priv->is_gmac)
1734 priv->rx_csum = 1;
1735
1736 if (flow_ctrl)
1737 priv->flow_ctrl = FLOW_AUTO; /* RX/TX pause on */
1738
1739 priv->pause = pause;
1740 netif_napi_add(dev, &priv->napi, stmmac_poll, 64);
1741
1742 /* Get the MAC address */
1743 priv->mac_type->ops->get_umac_addr(dev->base_addr, dev->dev_addr, 0);
1744
1745 if (!is_valid_ether_addr(dev->dev_addr))
1746 pr_warning("\tno valid MAC address;"
1747 "please, use ifconfig or nwhwconfig!\n");
1748
1749 ret = register_netdev(dev);
1750 if (ret) {
1751 pr_err("%s: ERROR %i registering the device\n",
1752 __func__, ret);
1753 return -ENODEV;
1754 }
1755
1756 DBG(probe, DEBUG, "%s: Scatter/Gather: %s - HW checksums: %s\n",
1757 dev->name, (dev->features & NETIF_F_SG) ? "on" : "off",
1758 (dev->features & NETIF_F_HW_CSUM) ? "on" : "off");
1759
1760 spin_lock_init(&priv->lock);
1761
1762 return ret;
1763}
1764
1765/**
1766 * stmmac_mac_device_setup
1767 * @dev : device pointer
1768 * Description: select and initialise the mac device (mac100 or Gmac).
1769 */
1770static int stmmac_mac_device_setup(struct net_device *dev)
1771{
1772 struct stmmac_priv *priv = netdev_priv(dev);
1773 unsigned long ioaddr = dev->base_addr;
1774
1775 struct mac_device_info *device;
1776
1777 if (priv->is_gmac)
1778 device = gmac_setup(ioaddr);
1779 else
1780 device = mac100_setup(ioaddr);
1781
1782 if (!device)
1783 return -ENOMEM;
1784
1785 priv->mac_type = device;
1786
1787 priv->wolenabled = priv->mac_type->hw.pmt; /* PMT supported */
1788 if (priv->wolenabled == PMT_SUPPORTED)
1789 priv->wolopts = WAKE_MAGIC; /* Magic Frame */
1790
1791 return 0;
1792}
1793
1794static int stmmacphy_dvr_probe(struct platform_device *pdev)
1795{
1796 struct plat_stmmacphy_data *plat_dat;
1797 plat_dat = (struct plat_stmmacphy_data *)((pdev->dev).platform_data);
1798
1799 pr_debug("stmmacphy_dvr_probe: added phy for bus %d\n",
1800 plat_dat->bus_id);
1801
1802 return 0;
1803}
1804
1805static int stmmacphy_dvr_remove(struct platform_device *pdev)
1806{
1807 return 0;
1808}
1809
1810static struct platform_driver stmmacphy_driver = {
1811 .driver = {
1812 .name = PHY_RESOURCE_NAME,
1813 },
1814 .probe = stmmacphy_dvr_probe,
1815 .remove = stmmacphy_dvr_remove,
1816};
1817
1818/**
1819 * stmmac_associate_phy
1820 * @dev: pointer to device structure
1821 * @data: points to the private structure.
1822 * Description: Scans through all the PHYs we have registered and checks if
1823 * any are associated with our MAC. If so, then just fill in
1824 * the blanks in our local context structure
1825 */
1826static int stmmac_associate_phy(struct device *dev, void *data)
1827{
1828 struct stmmac_priv *priv = (struct stmmac_priv *)data;
1829 struct plat_stmmacphy_data *plat_dat;
1830
1831 plat_dat = (struct plat_stmmacphy_data *)(dev->platform_data);
1832
1833 DBG(probe, DEBUG, "%s: checking phy for bus %d\n", __func__,
1834 plat_dat->bus_id);
1835
1836 /* Check that this phy is for the MAC being initialised */
1837 if (priv->bus_id != plat_dat->bus_id)
1838 return 0;
1839
1840 /* OK, this PHY is connected to the MAC.
1841 Go ahead and get the parameters */
1842 DBG(probe, DEBUG, "%s: OK. Found PHY config\n", __func__);
1843 priv->phy_irq =
1844 platform_get_irq_byname(to_platform_device(dev), "phyirq");
1845 DBG(probe, DEBUG, "%s: PHY irq on bus %d is %d\n", __func__,
1846 plat_dat->bus_id, priv->phy_irq);
1847
1848 /* Override with kernel parameters if supplied XXX CRS XXX
1849 * this needs to have multiple instances */
1850 if ((phyaddr >= 0) && (phyaddr <= 31))
1851 plat_dat->phy_addr = phyaddr;
1852
1853 priv->phy_addr = plat_dat->phy_addr;
1854 priv->phy_mask = plat_dat->phy_mask;
1855 priv->phy_interface = plat_dat->interface;
1856 priv->phy_reset = plat_dat->phy_reset;
1857
1858 DBG(probe, DEBUG, "%s: exiting\n", __func__);
1859 return 1; /* forces exit of driver_for_each_device() */
1860}
1861
1862/**
1863 * stmmac_dvr_probe
1864 * @pdev: platform device pointer
1865 * Description: the driver is initialized through platform_device.
1866 */
1867static int stmmac_dvr_probe(struct platform_device *pdev)
1868{
1869 int ret = 0;
1870 struct resource *res;
1871 unsigned int *addr = NULL;
1872 struct net_device *ndev = NULL;
1873 struct stmmac_priv *priv;
1874 struct plat_stmmacenet_data *plat_dat;
1875
1876 pr_info("STMMAC driver:\n\tplatform registration... ");
1877 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1878 if (!res) {
1879 ret = -ENODEV;
1880 goto out;
1881 }
1882 pr_info("done!\n");
1883
1884 if (!request_mem_region(res->start, (res->end - res->start),
1885 pdev->name)) {
1886 pr_err("%s: ERROR: memory allocation failed"
1887 "cannot get the I/O addr 0x%x\n",
1888 __func__, (unsigned int)res->start);
1889 ret = -EBUSY;
1890 goto out;
1891 }
1892
1893 addr = ioremap(res->start, (res->end - res->start));
1894 if (!addr) {
1895 pr_err("%s: ERROR: memory mapping failed \n", __func__);
1896 ret = -ENOMEM;
1897 goto out;
1898 }
1899
1900 ndev = alloc_etherdev(sizeof(struct stmmac_priv));
1901 if (!ndev) {
1902 pr_err("%s: ERROR: allocating the device\n", __func__);
1903 ret = -ENOMEM;
1904 goto out;
1905 }
1906
1907 SET_NETDEV_DEV(ndev, &pdev->dev);
1908
1909 /* Get the MAC information */
1910 ndev->irq = platform_get_irq_byname(pdev, "macirq");
1911 if (ndev->irq == -ENXIO) {
1912 pr_err("%s: ERROR: MAC IRQ configuration "
1913 "information not found\n", __func__);
1914 ret = -ENODEV;
1915 goto out;
1916 }
1917
1918 priv = netdev_priv(ndev);
1919 priv->device = &(pdev->dev);
1920 priv->dev = ndev;
1921 plat_dat = (struct plat_stmmacenet_data *)((pdev->dev).platform_data);
1922 priv->bus_id = plat_dat->bus_id;
1923 priv->pbl = plat_dat->pbl; /* TLI */
1924 priv->is_gmac = plat_dat->has_gmac; /* GMAC is on board */
1925
1926 platform_set_drvdata(pdev, ndev);
1927
1928 /* Set the I/O base addr */
1929 ndev->base_addr = (unsigned long)addr;
1930
1931 /* MAC HW revice detection */
1932 ret = stmmac_mac_device_setup(ndev);
1933 if (ret < 0)
1934 goto out;
1935
1936 /* Network Device Registration */
1937 ret = stmmac_probe(ndev);
1938 if (ret < 0)
1939 goto out;
1940
1941 /* associate a PHY - it is provided by another platform bus */
1942 if (!driver_for_each_device
1943 (&(stmmacphy_driver.driver), NULL, (void *)priv,
1944 stmmac_associate_phy)) {
1945 pr_err("No PHY device is associated with this MAC!\n");
1946 ret = -ENODEV;
1947 goto out;
1948 }
1949
1950 priv->fix_mac_speed = plat_dat->fix_mac_speed;
1951 priv->bsp_priv = plat_dat->bsp_priv;
1952
1953 pr_info("\t%s - (dev. name: %s - id: %d, IRQ #%d\n"
1954 "\tIO base addr: 0x%08x)\n", ndev->name, pdev->name,
1955 pdev->id, ndev->irq, (unsigned int)addr);
1956
1957 /* MDIO bus Registration */
1958 pr_debug("\tMDIO bus (id: %d)...", priv->bus_id);
1959 ret = stmmac_mdio_register(ndev);
1960 if (ret < 0)
1961 goto out;
1962 pr_debug("registered!\n");
1963
1964out:
1965 if (ret < 0) {
1966 platform_set_drvdata(pdev, NULL);
1967 release_mem_region(res->start, (res->end - res->start));
1968 if (addr != NULL)
1969 iounmap(addr);
1970 }
1971
1972 return ret;
1973}
1974
1975/**
1976 * stmmac_dvr_remove
1977 * @pdev: platform device pointer
1978 * Description: this function resets the TX/RX processes, disables the MAC RX/TX
1979 * changes the link status, releases the DMA descriptor rings,
1980 * unregisters the MDIO bus and unmaps the allocated memory.
1981 */
1982static int stmmac_dvr_remove(struct platform_device *pdev)
1983{
1984 struct net_device *ndev = platform_get_drvdata(pdev);
1985 struct resource *res;
1986
1987 pr_info("%s:\n\tremoving driver", __func__);
1988
1989 stmmac_dma_stop_rx(ndev->base_addr);
1990 stmmac_dma_stop_tx(ndev->base_addr);
1991
1992 stmmac_mac_disable_rx(ndev->base_addr);
1993 stmmac_mac_disable_tx(ndev->base_addr);
1994
1995 netif_carrier_off(ndev);
1996
1997 stmmac_mdio_unregister(ndev);
1998
1999 platform_set_drvdata(pdev, NULL);
2000 unregister_netdev(ndev);
2001
2002 iounmap((void *)ndev->base_addr);
2003 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2004 release_mem_region(res->start, (res->end - res->start));
2005
2006 free_netdev(ndev);
2007
2008 return 0;
2009}
2010
2011#ifdef CONFIG_PM
2012static int stmmac_suspend(struct platform_device *pdev, pm_message_t state)
2013{
2014 struct net_device *dev = platform_get_drvdata(pdev);
2015 struct stmmac_priv *priv = netdev_priv(dev);
2016 int dis_ic = 0;
2017
2018 if (!dev || !netif_running(dev))
2019 return 0;
2020
2021 spin_lock(&priv->lock);
2022
2023 if (state.event == PM_EVENT_SUSPEND) {
2024 netif_device_detach(dev);
2025 netif_stop_queue(dev);
2026 if (priv->phydev)
2027 phy_stop(priv->phydev);
2028
2029#ifdef CONFIG_STMMAC_TIMER
2030 priv->tm->timer_stop();
2031 dis_ic = 1;
2032#endif
2033 napi_disable(&priv->napi);
2034
2035 /* Stop TX/RX DMA */
2036 stmmac_dma_stop_tx(dev->base_addr);
2037 stmmac_dma_stop_rx(dev->base_addr);
2038 /* Clear the Rx/Tx descriptors */
2039 priv->mac_type->ops->init_rx_desc(priv->dma_rx,
2040 priv->dma_rx_size, dis_ic);
2041 priv->mac_type->ops->init_tx_desc(priv->dma_tx,
2042 priv->dma_tx_size);
2043
2044 stmmac_mac_disable_tx(dev->base_addr);
2045
2046 if (device_may_wakeup(&(pdev->dev))) {
2047 /* Enable Power down mode by programming the PMT regs */
2048 if (priv->wolenabled == PMT_SUPPORTED)
2049 priv->mac_type->ops->pmt(dev->base_addr,
2050 priv->wolopts);
2051 } else {
2052 stmmac_mac_disable_rx(dev->base_addr);
2053 }
2054 } else {
2055 priv->shutdown = 1;
2056 /* Although this can appear slightly redundant it actually
2057 * makes fast the standby operation and guarantees the driver
2058 * working if hibernation is on media. */
2059 stmmac_release(dev);
2060 }
2061
2062 spin_unlock(&priv->lock);
2063 return 0;
2064}
2065
2066static int stmmac_resume(struct platform_device *pdev)
2067{
2068 struct net_device *dev = platform_get_drvdata(pdev);
2069 struct stmmac_priv *priv = netdev_priv(dev);
2070 unsigned long ioaddr = dev->base_addr;
2071
2072 if (!netif_running(dev))
2073 return 0;
2074
2075 spin_lock(&priv->lock);
2076
2077 if (priv->shutdown) {
2078 /* Re-open the interface and re-init the MAC/DMA
2079 and the rings. */
2080 stmmac_open(dev);
2081 goto out_resume;
2082 }
2083
2084 /* Power Down bit, into the PM register, is cleared
2085 * automatically as soon as a magic packet or a Wake-up frame
2086 * is received. Anyway, it's better to manually clear
2087 * this bit because it can generate problems while resuming
2088 * from another devices (e.g. serial console). */
2089 if (device_may_wakeup(&(pdev->dev)))
2090 if (priv->wolenabled == PMT_SUPPORTED)
2091 priv->mac_type->ops->pmt(dev->base_addr, 0);
2092
2093 netif_device_attach(dev);
2094
2095 /* Enable the MAC and DMA */
2096 stmmac_mac_enable_rx(ioaddr);
2097 stmmac_mac_enable_tx(ioaddr);
2098 stmmac_dma_start_tx(ioaddr);
2099 stmmac_dma_start_rx(ioaddr);
2100
2101#ifdef CONFIG_STMMAC_TIMER
2102 priv->tm->timer_start(tmrate);
2103#endif
2104 napi_enable(&priv->napi);
2105
2106 if (priv->phydev)
2107 phy_start(priv->phydev);
2108
2109 netif_start_queue(dev);
2110
2111out_resume:
2112 spin_unlock(&priv->lock);
2113 return 0;
2114}
2115#endif
2116
2117static struct platform_driver stmmac_driver = {
2118 .driver = {
2119 .name = STMMAC_RESOURCE_NAME,
2120 },
2121 .probe = stmmac_dvr_probe,
2122 .remove = stmmac_dvr_remove,
2123#ifdef CONFIG_PM
2124 .suspend = stmmac_suspend,
2125 .resume = stmmac_resume,
2126#endif
2127
2128};
2129
2130/**
2131 * stmmac_init_module - Entry point for the driver
2132 * Description: This function is the entry point for the driver.
2133 */
2134static int __init stmmac_init_module(void)
2135{
2136 int ret;
2137
2138 if (platform_driver_register(&stmmacphy_driver)) {
2139 pr_err("No PHY devices registered!\n");
2140 return -ENODEV;
2141 }
2142
2143 ret = platform_driver_register(&stmmac_driver);
2144 return ret;
2145}
2146
2147/**
2148 * stmmac_cleanup_module - Cleanup routine for the driver
2149 * Description: This function is the cleanup routine for the driver.
2150 */
2151static void __exit stmmac_cleanup_module(void)
2152{
2153 platform_driver_unregister(&stmmacphy_driver);
2154 platform_driver_unregister(&stmmac_driver);
2155}
2156
2157#ifndef MODULE
2158static int __init stmmac_cmdline_opt(char *str)
2159{
2160 char *opt;
2161
2162 if (!str || !*str)
2163 return -EINVAL;
2164 while ((opt = strsep(&str, ",")) != NULL) {
2165 if (!strncmp(opt, "debug:", 6))
2166 strict_strtoul(opt + 6, 0, (unsigned long *)&debug);
2167 else if (!strncmp(opt, "phyaddr:", 8))
2168 strict_strtoul(opt + 8, 0, (unsigned long *)&phyaddr);
2169 else if (!strncmp(opt, "dma_txsize:", 11))
2170 strict_strtoul(opt + 11, 0,
2171 (unsigned long *)&dma_txsize);
2172 else if (!strncmp(opt, "dma_rxsize:", 11))
2173 strict_strtoul(opt + 11, 0,
2174 (unsigned long *)&dma_rxsize);
2175 else if (!strncmp(opt, "buf_sz:", 7))
2176 strict_strtoul(opt + 7, 0, (unsigned long *)&buf_sz);
2177 else if (!strncmp(opt, "tc:", 3))
2178 strict_strtoul(opt + 3, 0, (unsigned long *)&tc);
2179 else if (!strncmp(opt, "tx_coe:", 7))
2180 strict_strtoul(opt + 7, 0, (unsigned long *)&tx_coe);
2181 else if (!strncmp(opt, "watchdog:", 9))
2182 strict_strtoul(opt + 9, 0, (unsigned long *)&watchdog);
2183 else if (!strncmp(opt, "flow_ctrl:", 10))
2184 strict_strtoul(opt + 10, 0,
2185 (unsigned long *)&flow_ctrl);
2186 else if (!strncmp(opt, "pause:", 6))
2187 strict_strtoul(opt + 6, 0, (unsigned long *)&pause);
2188#ifdef CONFIG_STMMAC_TIMER
2189 else if (!strncmp(opt, "tmrate:", 7))
2190 strict_strtoul(opt + 7, 0, (unsigned long *)&tmrate);
2191#endif
2192 }
2193 return 0;
2194}
2195
2196__setup("stmmaceth=", stmmac_cmdline_opt);
2197#endif
2198
2199module_init(stmmac_init_module);
2200module_exit(stmmac_cleanup_module);
2201
2202MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet driver");
2203MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
2204MODULE_LICENSE("GPL");
diff --git a/drivers/net/stmmac/stmmac_mdio.c b/drivers/net/stmmac/stmmac_mdio.c
new file mode 100644
index 000000000000..8498552a22fc
--- /dev/null
+++ b/drivers/net/stmmac/stmmac_mdio.c
@@ -0,0 +1,217 @@
1/*******************************************************************************
2 STMMAC Ethernet Driver -- MDIO bus implementation
3 Provides Bus interface for MII registers
4
5 Copyright (C) 2007-2009 STMicroelectronics Ltd
6
7 This program is free software; you can redistribute it and/or modify it
8 under the terms and conditions of the GNU General Public License,
9 version 2, as published by the Free Software Foundation.
10
11 This program is distributed in the hope it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 more details.
15
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19
20 The full GNU General Public License is included in this distribution in
21 the file called "COPYING".
22
23 Author: Carl Shaw <carl.shaw@st.com>
24 Maintainer: Giuseppe Cavallaro <peppe.cavallaro@st.com>
25*******************************************************************************/
26
27#include <linux/netdevice.h>
28#include <linux/mii.h>
29#include <linux/phy.h>
30
31#include "stmmac.h"
32
33#define MII_BUSY 0x00000001
34#define MII_WRITE 0x00000002
35
36/**
37 * stmmac_mdio_read
38 * @bus: points to the mii_bus structure
39 * @phyaddr: MII addr reg bits 15-11
40 * @phyreg: MII addr reg bits 10-6
41 * Description: it reads data from the MII register from within the phy device.
42 * For the 7111 GMAC, we must set the bit 0 in the MII address register while
43 * accessing the PHY registers.
44 * Fortunately, it seems this has no drawback for the 7109 MAC.
45 */
46static int stmmac_mdio_read(struct mii_bus *bus, int phyaddr, int phyreg)
47{
48 struct net_device *ndev = bus->priv;
49 struct stmmac_priv *priv = netdev_priv(ndev);
50 unsigned long ioaddr = ndev->base_addr;
51 unsigned int mii_address = priv->mac_type->hw.mii.addr;
52 unsigned int mii_data = priv->mac_type->hw.mii.data;
53
54 int data;
55 u16 regValue = (((phyaddr << 11) & (0x0000F800)) |
56 ((phyreg << 6) & (0x000007C0)));
57 regValue |= MII_BUSY; /* in case of GMAC */
58
59 do {} while (((readl(ioaddr + mii_address)) & MII_BUSY) == 1);
60 writel(regValue, ioaddr + mii_address);
61 do {} while (((readl(ioaddr + mii_address)) & MII_BUSY) == 1);
62
63 /* Read the data from the MII data register */
64 data = (int)readl(ioaddr + mii_data);
65
66 return data;
67}
68
69/**
70 * stmmac_mdio_write
71 * @bus: points to the mii_bus structure
72 * @phyaddr: MII addr reg bits 15-11
73 * @phyreg: MII addr reg bits 10-6
74 * @phydata: phy data
75 * Description: it writes the data into the MII register from within the device.
76 */
77static int stmmac_mdio_write(struct mii_bus *bus, int phyaddr, int phyreg,
78 u16 phydata)
79{
80 struct net_device *ndev = bus->priv;
81 struct stmmac_priv *priv = netdev_priv(ndev);
82 unsigned long ioaddr = ndev->base_addr;
83 unsigned int mii_address = priv->mac_type->hw.mii.addr;
84 unsigned int mii_data = priv->mac_type->hw.mii.data;
85
86 u16 value =
87 (((phyaddr << 11) & (0x0000F800)) | ((phyreg << 6) & (0x000007C0)))
88 | MII_WRITE;
89
90 value |= MII_BUSY;
91
92 /* Wait until any existing MII operation is complete */
93 do {} while (((readl(ioaddr + mii_address)) & MII_BUSY) == 1);
94
95 /* Set the MII address register to write */
96 writel(phydata, ioaddr + mii_data);
97 writel(value, ioaddr + mii_address);
98
99 /* Wait until any existing MII operation is complete */
100 do {} while (((readl(ioaddr + mii_address)) & MII_BUSY) == 1);
101
102 return 0;
103}
104
105/**
106 * stmmac_mdio_reset
107 * @bus: points to the mii_bus structure
108 * Description: reset the MII bus
109 */
110static int stmmac_mdio_reset(struct mii_bus *bus)
111{
112 struct net_device *ndev = bus->priv;
113 struct stmmac_priv *priv = netdev_priv(ndev);
114 unsigned long ioaddr = ndev->base_addr;
115 unsigned int mii_address = priv->mac_type->hw.mii.addr;
116
117 if (priv->phy_reset) {
118 pr_debug("stmmac_mdio_reset: calling phy_reset\n");
119 priv->phy_reset(priv->bsp_priv);
120 }
121
122 /* This is a workaround for problems with the STE101P PHY.
123 * It doesn't complete its reset until at least one clock cycle
124 * on MDC, so perform a dummy mdio read.
125 */
126 writel(0, ioaddr + mii_address);
127
128 return 0;
129}
130
131/**
132 * stmmac_mdio_register
133 * @ndev: net device structure
134 * Description: it registers the MII bus
135 */
136int stmmac_mdio_register(struct net_device *ndev)
137{
138 int err = 0;
139 struct mii_bus *new_bus;
140 int *irqlist;
141 struct stmmac_priv *priv = netdev_priv(ndev);
142 int addr, found;
143
144 new_bus = mdiobus_alloc();
145 if (new_bus == NULL)
146 return -ENOMEM;
147
148 irqlist = kzalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
149 if (irqlist == NULL) {
150 err = -ENOMEM;
151 goto irqlist_alloc_fail;
152 }
153
154 /* Assign IRQ to phy at address phy_addr */
155 if (priv->phy_addr != -1)
156 irqlist[priv->phy_addr] = priv->phy_irq;
157
158 new_bus->name = "STMMAC MII Bus";
159 new_bus->read = &stmmac_mdio_read;
160 new_bus->write = &stmmac_mdio_write;
161 new_bus->reset = &stmmac_mdio_reset;
162 snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", priv->bus_id);
163 new_bus->priv = ndev;
164 new_bus->irq = irqlist;
165 new_bus->phy_mask = priv->phy_mask;
166 new_bus->parent = priv->device;
167 err = mdiobus_register(new_bus);
168 if (err != 0) {
169 pr_err("%s: Cannot register as MDIO bus\n", new_bus->name);
170 goto bus_register_fail;
171 }
172
173 priv->mii = new_bus;
174
175 found = 0;
176 for (addr = 0; addr < 32; addr++) {
177 struct phy_device *phydev = new_bus->phy_map[addr];
178 if (phydev) {
179 if (priv->phy_addr == -1) {
180 priv->phy_addr = addr;
181 phydev->irq = priv->phy_irq;
182 irqlist[addr] = priv->phy_irq;
183 }
184 pr_info("%s: PHY ID %08x at %d IRQ %d (%s)%s\n",
185 ndev->name, phydev->phy_id, addr,
186 phydev->irq, dev_name(&phydev->dev),
187 (addr == priv->phy_addr) ? " active" : "");
188 found = 1;
189 }
190 }
191
192 if (!found)
193 pr_warning("%s: No PHY found\n", ndev->name);
194
195 return 0;
196bus_register_fail:
197 kfree(irqlist);
198irqlist_alloc_fail:
199 kfree(new_bus);
200 return err;
201}
202
203/**
204 * stmmac_mdio_unregister
205 * @ndev: net device structure
206 * Description: it unregisters the MII bus
207 */
208int stmmac_mdio_unregister(struct net_device *ndev)
209{
210 struct stmmac_priv *priv = netdev_priv(ndev);
211
212 mdiobus_unregister(priv->mii);
213 priv->mii->priv = NULL;
214 kfree(priv->mii);
215
216 return 0;
217}
diff --git a/drivers/net/stmmac/stmmac_timer.c b/drivers/net/stmmac/stmmac_timer.c
new file mode 100644
index 000000000000..b838c6582077
--- /dev/null
+++ b/drivers/net/stmmac/stmmac_timer.c
@@ -0,0 +1,140 @@
1/*******************************************************************************
2 STMMAC external timer support.
3
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23*******************************************************************************/
24
25#include <linux/kernel.h>
26#include <linux/etherdevice.h>
27#include "stmmac_timer.h"
28
29static void stmmac_timer_handler(void *data)
30{
31 struct net_device *dev = (struct net_device *)data;
32
33 stmmac_schedule(dev);
34
35 return;
36}
37
38#define STMMAC_TIMER_MSG(timer, freq) \
39printk(KERN_INFO "stmmac_timer: %s Timer ON (freq %dHz)\n", timer, freq);
40
41#if defined(CONFIG_STMMAC_RTC_TIMER)
42#include <linux/rtc.h>
43static struct rtc_device *stmmac_rtc;
44static rtc_task_t stmmac_task;
45
46static void stmmac_rtc_start(unsigned int new_freq)
47{
48 rtc_irq_set_freq(stmmac_rtc, &stmmac_task, new_freq);
49 rtc_irq_set_state(stmmac_rtc, &stmmac_task, 1);
50 return;
51}
52
53static void stmmac_rtc_stop(void)
54{
55 rtc_irq_set_state(stmmac_rtc, &stmmac_task, 0);
56 return;
57}
58
59int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm)
60{
61 stmmac_task.private_data = dev;
62 stmmac_task.func = stmmac_timer_handler;
63
64 stmmac_rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
65 if (stmmac_rtc == NULL) {
66 pr_error("open rtc device failed\n");
67 return -ENODEV;
68 }
69
70 rtc_irq_register(stmmac_rtc, &stmmac_task);
71
72 /* Periodic mode is not supported */
73 if ((rtc_irq_set_freq(stmmac_rtc, &stmmac_task, tm->freq) < 0)) {
74 pr_error("set periodic failed\n");
75 rtc_irq_unregister(stmmac_rtc, &stmmac_task);
76 rtc_class_close(stmmac_rtc);
77 return -1;
78 }
79
80 STMMAC_TIMER_MSG(CONFIG_RTC_HCTOSYS_DEVICE, tm->freq);
81
82 tm->timer_start = stmmac_rtc_start;
83 tm->timer_stop = stmmac_rtc_stop;
84
85 return 0;
86}
87
88int stmmac_close_ext_timer(void)
89{
90 rtc_irq_set_state(stmmac_rtc, &stmmac_task, 0);
91 rtc_irq_unregister(stmmac_rtc, &stmmac_task);
92 rtc_class_close(stmmac_rtc);
93 return 0;
94}
95
96#elif defined(CONFIG_STMMAC_TMU_TIMER)
97#include <linux/clk.h>
98#define TMU_CHANNEL "tmu2_clk"
99static struct clk *timer_clock;
100
101static void stmmac_tmu_start(unsigned int new_freq)
102{
103 clk_set_rate(timer_clock, new_freq);
104 clk_enable(timer_clock);
105 return;
106}
107
108static void stmmac_tmu_stop(void)
109{
110 clk_disable(timer_clock);
111 return;
112}
113
114int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm)
115{
116 timer_clock = clk_get(NULL, TMU_CHANNEL);
117
118 if (timer_clock == NULL)
119 return -1;
120
121 if (tmu2_register_user(stmmac_timer_handler, (void *)dev) < 0) {
122 timer_clock = NULL;
123 return -1;
124 }
125
126 STMMAC_TIMER_MSG("TMU2", tm->freq);
127 tm->timer_start = stmmac_tmu_start;
128 tm->timer_stop = stmmac_tmu_stop;
129
130 return 0;
131}
132
133int stmmac_close_ext_timer(void)
134{
135 clk_disable(timer_clock);
136 tmu2_unregister_user();
137 clk_put(timer_clock);
138 return 0;
139}
140#endif
diff --git a/drivers/net/stmmac/stmmac_timer.h b/drivers/net/stmmac/stmmac_timer.h
new file mode 100644
index 000000000000..f795cae33725
--- /dev/null
+++ b/drivers/net/stmmac/stmmac_timer.h
@@ -0,0 +1,41 @@
1/*******************************************************************************
2 STMMAC external timer Header File.
3
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23*******************************************************************************/
24
25struct stmmac_timer {
26 void (*timer_start) (unsigned int new_freq);
27 void (*timer_stop) (void);
28 unsigned int freq;
29};
30
31/* Open the HW timer device and return 0 in case of success */
32int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm);
33/* Stop the timer and release it */
34int stmmac_close_ext_timer(void);
35/* Function used for scheduling task within the stmmac */
36void stmmac_schedule(struct net_device *dev);
37
38#if defined(CONFIG_STMMAC_TMU_TIMER)
39extern int tmu2_register_user(void *fnt, void *data);
40extern void tmu2_unregister_user(void);
41#endif
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 6fdaba8674b9..ed4a508ef262 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -62,8 +62,11 @@ static char *devid=NULL;
62static struct usb_eth_dev usb_dev_id[] = { 62static struct usb_eth_dev usb_dev_id[] = {
63#define PEGASUS_DEV(pn, vid, pid, flags) \ 63#define PEGASUS_DEV(pn, vid, pid, flags) \
64 {.name = pn, .vendor = vid, .device = pid, .private = flags}, 64 {.name = pn, .vendor = vid, .device = pid, .private = flags},
65#define PEGASUS_DEV_CLASS(pn, vid, pid, dclass, flags) \
66 PEGASUS_DEV(pn, vid, pid, flags)
65#include "pegasus.h" 67#include "pegasus.h"
66#undef PEGASUS_DEV 68#undef PEGASUS_DEV
69#undef PEGASUS_DEV_CLASS
67 {NULL, 0, 0, 0}, 70 {NULL, 0, 0, 0},
68 {NULL, 0, 0, 0} 71 {NULL, 0, 0, 0}
69}; 72};
@@ -71,8 +74,18 @@ static struct usb_eth_dev usb_dev_id[] = {
71static struct usb_device_id pegasus_ids[] = { 74static struct usb_device_id pegasus_ids[] = {
72#define PEGASUS_DEV(pn, vid, pid, flags) \ 75#define PEGASUS_DEV(pn, vid, pid, flags) \
73 {.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = vid, .idProduct = pid}, 76 {.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = vid, .idProduct = pid},
77/*
78 * The Belkin F8T012xx1 bluetooth adaptor has the same vendor and product
79 * IDs as the Belkin F5D5050, so we need to teach the pegasus driver to
80 * ignore adaptors belonging to the "Wireless" class 0xE0. For this one
81 * case anyway, seeing as the pegasus is for "Wired" adaptors.
82 */
83#define PEGASUS_DEV_CLASS(pn, vid, pid, dclass, flags) \
84 {.match_flags = (USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_DEV_CLASS), \
85 .idVendor = vid, .idProduct = pid, .bDeviceClass = dclass},
74#include "pegasus.h" 86#include "pegasus.h"
75#undef PEGASUS_DEV 87#undef PEGASUS_DEV
88#undef PEGASUS_DEV_CLASS
76 {}, 89 {},
77 {} 90 {}
78}; 91};
diff --git a/drivers/net/usb/pegasus.h b/drivers/net/usb/pegasus.h
index f968c834ff63..5d02f0200737 100644
--- a/drivers/net/usb/pegasus.h
+++ b/drivers/net/usb/pegasus.h
@@ -202,7 +202,11 @@ PEGASUS_DEV( "AEI USB Fast Ethernet Adapter", VENDOR_AEILAB, 0x1701,
202 DEFAULT_GPIO_RESET | PEGASUS_II ) 202 DEFAULT_GPIO_RESET | PEGASUS_II )
203PEGASUS_DEV( "Allied Telesyn Int. AT-USB100", VENDOR_ALLIEDTEL, 0xb100, 203PEGASUS_DEV( "Allied Telesyn Int. AT-USB100", VENDOR_ALLIEDTEL, 0xb100,
204 DEFAULT_GPIO_RESET | PEGASUS_II ) 204 DEFAULT_GPIO_RESET | PEGASUS_II )
205PEGASUS_DEV( "Belkin F5D5050 USB Ethernet", VENDOR_BELKIN, 0x0121, 205/*
206 * Distinguish between this Belkin adaptor and the Belkin bluetooth adaptors
207 * with the same product IDs by checking the device class too.
208 */
209PEGASUS_DEV_CLASS( "Belkin F5D5050 USB Ethernet", VENDOR_BELKIN, 0x0121, 0x00,
206 DEFAULT_GPIO_RESET | PEGASUS_II ) 210 DEFAULT_GPIO_RESET | PEGASUS_II )
207PEGASUS_DEV( "Billionton USB-100", VENDOR_BILLIONTON, 0x0986, 211PEGASUS_DEV( "Billionton USB-100", VENDOR_BILLIONTON, 0x0986,
208 DEFAULT_GPIO_RESET ) 212 DEFAULT_GPIO_RESET )
diff --git a/drivers/net/vmxnet3/Makefile b/drivers/net/vmxnet3/Makefile
new file mode 100644
index 000000000000..880f5098eac9
--- /dev/null
+++ b/drivers/net/vmxnet3/Makefile
@@ -0,0 +1,35 @@
1################################################################################
2#
3# Linux driver for VMware's vmxnet3 ethernet NIC.
4#
5# Copyright (C) 2007-2009, VMware, Inc. All Rights Reserved.
6#
7# This program is free software; you can redistribute it and/or modify it
8# under the terms of the GNU General Public License as published by the
9# Free Software Foundation; version 2 of the License and no later version.
10#
11# This program is distributed in the hope that it will be useful, but
12# WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
14# NON INFRINGEMENT. See the GNU General Public License for more
15# details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20#
21# The full GNU General Public License is included in this distribution in
22# the file called "COPYING".
23#
24# Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
25#
26#
27################################################################################
28
29#
30# Makefile for the VMware vmxnet3 ethernet NIC driver
31#
32
33obj-$(CONFIG_VMXNET3) += vmxnet3.o
34
35vmxnet3-objs := vmxnet3_drv.o vmxnet3_ethtool.o
diff --git a/drivers/net/vmxnet3/upt1_defs.h b/drivers/net/vmxnet3/upt1_defs.h
new file mode 100644
index 000000000000..37108fb226d3
--- /dev/null
+++ b/drivers/net/vmxnet3/upt1_defs.h
@@ -0,0 +1,96 @@
1/*
2 * Linux driver for VMware's vmxnet3 ethernet NIC.
3 *
4 * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; version 2 of the License and no later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13 * NON INFRINGEMENT. See the GNU General Public License for more
14 * details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * The full GNU General Public License is included in this distribution in
21 * the file called "COPYING".
22 *
23 * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
24 *
25 */
26
27#ifndef _UPT1_DEFS_H
28#define _UPT1_DEFS_H
29
30struct UPT1_TxStats {
31 u64 TSOPktsTxOK; /* TSO pkts post-segmentation */
32 u64 TSOBytesTxOK;
33 u64 ucastPktsTxOK;
34 u64 ucastBytesTxOK;
35 u64 mcastPktsTxOK;
36 u64 mcastBytesTxOK;
37 u64 bcastPktsTxOK;
38 u64 bcastBytesTxOK;
39 u64 pktsTxError;
40 u64 pktsTxDiscard;
41};
42
43struct UPT1_RxStats {
44 u64 LROPktsRxOK; /* LRO pkts */
45 u64 LROBytesRxOK; /* bytes from LRO pkts */
46 /* the following counters are for pkts from the wire, i.e., pre-LRO */
47 u64 ucastPktsRxOK;
48 u64 ucastBytesRxOK;
49 u64 mcastPktsRxOK;
50 u64 mcastBytesRxOK;
51 u64 bcastPktsRxOK;
52 u64 bcastBytesRxOK;
53 u64 pktsRxOutOfBuf;
54 u64 pktsRxError;
55};
56
57/* interrupt moderation level */
58enum {
59 UPT1_IML_NONE = 0, /* no interrupt moderation */
60 UPT1_IML_HIGHEST = 7, /* least intr generated */
61 UPT1_IML_ADAPTIVE = 8, /* adpative intr moderation */
62};
63/* values for UPT1_RSSConf.hashFunc */
64enum {
65 UPT1_RSS_HASH_TYPE_NONE = 0x0,
66 UPT1_RSS_HASH_TYPE_IPV4 = 0x01,
67 UPT1_RSS_HASH_TYPE_TCP_IPV4 = 0x02,
68 UPT1_RSS_HASH_TYPE_IPV6 = 0x04,
69 UPT1_RSS_HASH_TYPE_TCP_IPV6 = 0x08,
70};
71
72enum {
73 UPT1_RSS_HASH_FUNC_NONE = 0x0,
74 UPT1_RSS_HASH_FUNC_TOEPLITZ = 0x01,
75};
76
77#define UPT1_RSS_MAX_KEY_SIZE 40
78#define UPT1_RSS_MAX_IND_TABLE_SIZE 128
79
80struct UPT1_RSSConf {
81 u16 hashType;
82 u16 hashFunc;
83 u16 hashKeySize;
84 u16 indTableSize;
85 u8 hashKey[UPT1_RSS_MAX_KEY_SIZE];
86 u8 indTable[UPT1_RSS_MAX_IND_TABLE_SIZE];
87};
88
89/* features */
90enum {
91 UPT1_F_RXCSUM = 0x0001, /* rx csum verification */
92 UPT1_F_RSS = 0x0002,
93 UPT1_F_RXVLAN = 0x0004, /* VLAN tag stripping */
94 UPT1_F_LRO = 0x0008,
95};
96#endif
diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h
new file mode 100644
index 000000000000..dc8ee4438a4f
--- /dev/null
+++ b/drivers/net/vmxnet3/vmxnet3_defs.h
@@ -0,0 +1,535 @@
1/*
2 * Linux driver for VMware's vmxnet3 ethernet NIC.
3 *
4 * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; version 2 of the License and no later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13 * NON INFRINGEMENT. See the GNU General Public License for more
14 * details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * The full GNU General Public License is included in this distribution in
21 * the file called "COPYING".
22 *
23 * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
24 *
25 */
26
27#ifndef _VMXNET3_DEFS_H_
28#define _VMXNET3_DEFS_H_
29
30#include "upt1_defs.h"
31
32/* all registers are 32 bit wide */
33/* BAR 1 */
34enum {
35 VMXNET3_REG_VRRS = 0x0, /* Vmxnet3 Revision Report Selection */
36 VMXNET3_REG_UVRS = 0x8, /* UPT Version Report Selection */
37 VMXNET3_REG_DSAL = 0x10, /* Driver Shared Address Low */
38 VMXNET3_REG_DSAH = 0x18, /* Driver Shared Address High */
39 VMXNET3_REG_CMD = 0x20, /* Command */
40 VMXNET3_REG_MACL = 0x28, /* MAC Address Low */
41 VMXNET3_REG_MACH = 0x30, /* MAC Address High */
42 VMXNET3_REG_ICR = 0x38, /* Interrupt Cause Register */
43 VMXNET3_REG_ECR = 0x40 /* Event Cause Register */
44};
45
46/* BAR 0 */
47enum {
48 VMXNET3_REG_IMR = 0x0, /* Interrupt Mask Register */
49 VMXNET3_REG_TXPROD = 0x600, /* Tx Producer Index */
50 VMXNET3_REG_RXPROD = 0x800, /* Rx Producer Index for ring 1 */
51 VMXNET3_REG_RXPROD2 = 0xA00 /* Rx Producer Index for ring 2 */
52};
53
54#define VMXNET3_PT_REG_SIZE 4096 /* BAR 0 */
55#define VMXNET3_VD_REG_SIZE 4096 /* BAR 1 */
56
57#define VMXNET3_REG_ALIGN 8 /* All registers are 8-byte aligned. */
58#define VMXNET3_REG_ALIGN_MASK 0x7
59
60/* I/O Mapped access to registers */
61#define VMXNET3_IO_TYPE_PT 0
62#define VMXNET3_IO_TYPE_VD 1
63#define VMXNET3_IO_ADDR(type, reg) (((type) << 24) | ((reg) & 0xFFFFFF))
64#define VMXNET3_IO_TYPE(addr) ((addr) >> 24)
65#define VMXNET3_IO_REG(addr) ((addr) & 0xFFFFFF)
66
67enum {
68 VMXNET3_CMD_FIRST_SET = 0xCAFE0000,
69 VMXNET3_CMD_ACTIVATE_DEV = VMXNET3_CMD_FIRST_SET,
70 VMXNET3_CMD_QUIESCE_DEV,
71 VMXNET3_CMD_RESET_DEV,
72 VMXNET3_CMD_UPDATE_RX_MODE,
73 VMXNET3_CMD_UPDATE_MAC_FILTERS,
74 VMXNET3_CMD_UPDATE_VLAN_FILTERS,
75 VMXNET3_CMD_UPDATE_RSSIDT,
76 VMXNET3_CMD_UPDATE_IML,
77 VMXNET3_CMD_UPDATE_PMCFG,
78 VMXNET3_CMD_UPDATE_FEATURE,
79 VMXNET3_CMD_LOAD_PLUGIN,
80
81 VMXNET3_CMD_FIRST_GET = 0xF00D0000,
82 VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET,
83 VMXNET3_CMD_GET_STATS,
84 VMXNET3_CMD_GET_LINK,
85 VMXNET3_CMD_GET_PERM_MAC_LO,
86 VMXNET3_CMD_GET_PERM_MAC_HI,
87 VMXNET3_CMD_GET_DID_LO,
88 VMXNET3_CMD_GET_DID_HI,
89 VMXNET3_CMD_GET_DEV_EXTRA_INFO,
90 VMXNET3_CMD_GET_CONF_INTR
91};
92
93struct Vmxnet3_TxDesc {
94 u64 addr;
95
96 u32 len:14;
97 u32 gen:1; /* generation bit */
98 u32 rsvd:1;
99 u32 dtype:1; /* descriptor type */
100 u32 ext1:1;
101 u32 msscof:14; /* MSS, checksum offset, flags */
102
103 u32 hlen:10; /* header len */
104 u32 om:2; /* offload mode */
105 u32 eop:1; /* End Of Packet */
106 u32 cq:1; /* completion request */
107 u32 ext2:1;
108 u32 ti:1; /* VLAN Tag Insertion */
109 u32 tci:16; /* Tag to Insert */
110};
111
112/* TxDesc.OM values */
113#define VMXNET3_OM_NONE 0
114#define VMXNET3_OM_CSUM 2
115#define VMXNET3_OM_TSO 3
116
117/* fields in TxDesc we access w/o using bit fields */
118#define VMXNET3_TXD_EOP_SHIFT 12
119#define VMXNET3_TXD_CQ_SHIFT 13
120#define VMXNET3_TXD_GEN_SHIFT 14
121
122#define VMXNET3_TXD_CQ (1 << VMXNET3_TXD_CQ_SHIFT)
123#define VMXNET3_TXD_EOP (1 << VMXNET3_TXD_EOP_SHIFT)
124#define VMXNET3_TXD_GEN (1 << VMXNET3_TXD_GEN_SHIFT)
125
126#define VMXNET3_HDR_COPY_SIZE 128
127
128
129struct Vmxnet3_TxDataDesc {
130 u8 data[VMXNET3_HDR_COPY_SIZE];
131};
132
133
134struct Vmxnet3_TxCompDesc {
135 u32 txdIdx:12; /* Index of the EOP TxDesc */
136 u32 ext1:20;
137
138 u32 ext2;
139 u32 ext3;
140
141 u32 rsvd:24;
142 u32 type:7; /* completion type */
143 u32 gen:1; /* generation bit */
144};
145
146
147struct Vmxnet3_RxDesc {
148 u64 addr;
149
150 u32 len:14;
151 u32 btype:1; /* Buffer Type */
152 u32 dtype:1; /* Descriptor type */
153 u32 rsvd:15;
154 u32 gen:1; /* Generation bit */
155
156 u32 ext1;
157};
158
159/* values of RXD.BTYPE */
160#define VMXNET3_RXD_BTYPE_HEAD 0 /* head only */
161#define VMXNET3_RXD_BTYPE_BODY 1 /* body only */
162
163/* fields in RxDesc we access w/o using bit fields */
164#define VMXNET3_RXD_BTYPE_SHIFT 14
165#define VMXNET3_RXD_GEN_SHIFT 31
166
167
168struct Vmxnet3_RxCompDesc {
169 u32 rxdIdx:12; /* Index of the RxDesc */
170 u32 ext1:2;
171 u32 eop:1; /* End of Packet */
172 u32 sop:1; /* Start of Packet */
173 u32 rqID:10; /* rx queue/ring ID */
174 u32 rssType:4; /* RSS hash type used */
175 u32 cnc:1; /* Checksum Not Calculated */
176 u32 ext2:1;
177
178 u32 rssHash; /* RSS hash value */
179
180 u32 len:14; /* data length */
181 u32 err:1; /* Error */
182 u32 ts:1; /* Tag is stripped */
183 u32 tci:16; /* Tag stripped */
184
185 u32 csum:16;
186 u32 tuc:1; /* TCP/UDP Checksum Correct */
187 u32 udp:1; /* UDP packet */
188 u32 tcp:1; /* TCP packet */
189 u32 ipc:1; /* IP Checksum Correct */
190 u32 v6:1; /* IPv6 */
191 u32 v4:1; /* IPv4 */
192 u32 frg:1; /* IP Fragment */
193 u32 fcs:1; /* Frame CRC correct */
194 u32 type:7; /* completion type */
195 u32 gen:1; /* generation bit */
196};
197
198/* fields in RxCompDesc we access via Vmxnet3_GenericDesc.dword[3] */
199#define VMXNET3_RCD_TUC_SHIFT 16
200#define VMXNET3_RCD_IPC_SHIFT 19
201
202/* fields in RxCompDesc we access via Vmxnet3_GenericDesc.qword[1] */
203#define VMXNET3_RCD_TYPE_SHIFT 56
204#define VMXNET3_RCD_GEN_SHIFT 63
205
206/* csum OK for TCP/UDP pkts over IP */
207#define VMXNET3_RCD_CSUM_OK (1 << VMXNET3_RCD_TUC_SHIFT | \
208 1 << VMXNET3_RCD_IPC_SHIFT)
209
210/* value of RxCompDesc.rssType */
211enum {
212 VMXNET3_RCD_RSS_TYPE_NONE = 0,
213 VMXNET3_RCD_RSS_TYPE_IPV4 = 1,
214 VMXNET3_RCD_RSS_TYPE_TCPIPV4 = 2,
215 VMXNET3_RCD_RSS_TYPE_IPV6 = 3,
216 VMXNET3_RCD_RSS_TYPE_TCPIPV6 = 4,
217};
218
219
220/* a union for accessing all cmd/completion descriptors */
221union Vmxnet3_GenericDesc {
222 u64 qword[2];
223 u32 dword[4];
224 u16 word[8];
225 struct Vmxnet3_TxDesc txd;
226 struct Vmxnet3_RxDesc rxd;
227 struct Vmxnet3_TxCompDesc tcd;
228 struct Vmxnet3_RxCompDesc rcd;
229};
230
231#define VMXNET3_INIT_GEN 1
232
233/* Max size of a single tx buffer */
234#define VMXNET3_MAX_TX_BUF_SIZE (1 << 14)
235
236/* # of tx desc needed for a tx buffer size */
237#define VMXNET3_TXD_NEEDED(size) (((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / \
238 VMXNET3_MAX_TX_BUF_SIZE)
239
240/* max # of tx descs for a non-tso pkt */
241#define VMXNET3_MAX_TXD_PER_PKT 16
242
243/* Max size of a single rx buffer */
244#define VMXNET3_MAX_RX_BUF_SIZE ((1 << 14) - 1)
245/* Minimum size of a type 0 buffer */
246#define VMXNET3_MIN_T0_BUF_SIZE 128
247#define VMXNET3_MAX_CSUM_OFFSET 1024
248
249/* Ring base address alignment */
250#define VMXNET3_RING_BA_ALIGN 512
251#define VMXNET3_RING_BA_MASK (VMXNET3_RING_BA_ALIGN - 1)
252
253/* Ring size must be a multiple of 32 */
254#define VMXNET3_RING_SIZE_ALIGN 32
255#define VMXNET3_RING_SIZE_MASK (VMXNET3_RING_SIZE_ALIGN - 1)
256
257/* Max ring size */
258#define VMXNET3_TX_RING_MAX_SIZE 4096
259#define VMXNET3_TC_RING_MAX_SIZE 4096
260#define VMXNET3_RX_RING_MAX_SIZE 4096
261#define VMXNET3_RC_RING_MAX_SIZE 8192
262
263/* a list of reasons for queue stop */
264
265enum {
266 VMXNET3_ERR_NOEOP = 0x80000000, /* cannot find the EOP desc of a pkt */
267 VMXNET3_ERR_TXD_REUSE = 0x80000001, /* reuse TxDesc before tx completion */
268 VMXNET3_ERR_BIG_PKT = 0x80000002, /* too many TxDesc for a pkt */
269 VMXNET3_ERR_DESC_NOT_SPT = 0x80000003, /* descriptor type not supported */
270 VMXNET3_ERR_SMALL_BUF = 0x80000004, /* type 0 buffer too small */
271 VMXNET3_ERR_STRESS = 0x80000005, /* stress option firing in vmkernel */
272 VMXNET3_ERR_SWITCH = 0x80000006, /* mode switch failure */
273 VMXNET3_ERR_TXD_INVALID = 0x80000007, /* invalid TxDesc */
274};
275
276/* completion descriptor types */
277#define VMXNET3_CDTYPE_TXCOMP 0 /* Tx Completion Descriptor */
278#define VMXNET3_CDTYPE_RXCOMP 3 /* Rx Completion Descriptor */
279
280enum {
281 VMXNET3_GOS_BITS_UNK = 0, /* unknown */
282 VMXNET3_GOS_BITS_32 = 1,
283 VMXNET3_GOS_BITS_64 = 2,
284};
285
286#define VMXNET3_GOS_TYPE_LINUX 1
287
288
289struct Vmxnet3_GOSInfo {
290 u32 gosBits:2; /* 32-bit or 64-bit? */
291 u32 gosType:4; /* which guest */
292 u32 gosVer:16; /* gos version */
293 u32 gosMisc:10; /* other info about gos */
294};
295
296
297struct Vmxnet3_DriverInfo {
298 u32 version;
299 struct Vmxnet3_GOSInfo gos;
300 u32 vmxnet3RevSpt;
301 u32 uptVerSpt;
302};
303
304
305#define VMXNET3_REV1_MAGIC 0xbabefee1
306
307/*
308 * QueueDescPA must be 128 bytes aligned. It points to an array of
309 * Vmxnet3_TxQueueDesc followed by an array of Vmxnet3_RxQueueDesc.
310 * The number of Vmxnet3_TxQueueDesc/Vmxnet3_RxQueueDesc are specified by
311 * Vmxnet3_MiscConf.numTxQueues/numRxQueues, respectively.
312 */
313#define VMXNET3_QUEUE_DESC_ALIGN 128
314
315
316struct Vmxnet3_MiscConf {
317 struct Vmxnet3_DriverInfo driverInfo;
318 u64 uptFeatures;
319 u64 ddPA; /* driver data PA */
320 u64 queueDescPA; /* queue descriptor table PA */
321 u32 ddLen; /* driver data len */
322 u32 queueDescLen; /* queue desc. table len in bytes */
323 u32 mtu;
324 u16 maxNumRxSG;
325 u8 numTxQueues;
326 u8 numRxQueues;
327 u32 reserved[4];
328};
329
330
331struct Vmxnet3_TxQueueConf {
332 u64 txRingBasePA;
333 u64 dataRingBasePA;
334 u64 compRingBasePA;
335 u64 ddPA; /* driver data */
336 u64 reserved;
337 u32 txRingSize; /* # of tx desc */
338 u32 dataRingSize; /* # of data desc */
339 u32 compRingSize; /* # of comp desc */
340 u32 ddLen; /* size of driver data */
341 u8 intrIdx;
342 u8 _pad[7];
343};
344
345
346struct Vmxnet3_RxQueueConf {
347 u64 rxRingBasePA[2];
348 u64 compRingBasePA;
349 u64 ddPA; /* driver data */
350 u64 reserved;
351 u32 rxRingSize[2]; /* # of rx desc */
352 u32 compRingSize; /* # of rx comp desc */
353 u32 ddLen; /* size of driver data */
354 u8 intrIdx;
355 u8 _pad[7];
356};
357
358
359enum vmxnet3_intr_mask_mode {
360 VMXNET3_IMM_AUTO = 0,
361 VMXNET3_IMM_ACTIVE = 1,
362 VMXNET3_IMM_LAZY = 2
363};
364
365enum vmxnet3_intr_type {
366 VMXNET3_IT_AUTO = 0,
367 VMXNET3_IT_INTX = 1,
368 VMXNET3_IT_MSI = 2,
369 VMXNET3_IT_MSIX = 3
370};
371
372#define VMXNET3_MAX_TX_QUEUES 8
373#define VMXNET3_MAX_RX_QUEUES 16
374/* addition 1 for events */
375#define VMXNET3_MAX_INTRS 25
376
377
378struct Vmxnet3_IntrConf {
379 bool autoMask;
380 u8 numIntrs; /* # of interrupts */
381 u8 eventIntrIdx;
382 u8 modLevels[VMXNET3_MAX_INTRS]; /* moderation level for
383 * each intr */
384 u32 reserved[3];
385};
386
387/* one bit per VLAN ID, the size is in the units of u32 */
388#define VMXNET3_VFT_SIZE (4096 / (sizeof(u32) * 8))
389
390
391struct Vmxnet3_QueueStatus {
392 bool stopped;
393 u8 _pad[3];
394 u32 error;
395};
396
397
398struct Vmxnet3_TxQueueCtrl {
399 u32 txNumDeferred;
400 u32 txThreshold;
401 u64 reserved;
402};
403
404
405struct Vmxnet3_RxQueueCtrl {
406 bool updateRxProd;
407 u8 _pad[7];
408 u64 reserved;
409};
410
411enum {
412 VMXNET3_RXM_UCAST = 0x01, /* unicast only */
413 VMXNET3_RXM_MCAST = 0x02, /* multicast passing the filters */
414 VMXNET3_RXM_BCAST = 0x04, /* broadcast only */
415 VMXNET3_RXM_ALL_MULTI = 0x08, /* all multicast */
416 VMXNET3_RXM_PROMISC = 0x10 /* promiscuous */
417};
418
419struct Vmxnet3_RxFilterConf {
420 u32 rxMode; /* VMXNET3_RXM_xxx */
421 u16 mfTableLen; /* size of the multicast filter table */
422 u16 _pad1;
423 u64 mfTablePA; /* PA of the multicast filters table */
424 u32 vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */
425};
426
427
428#define VMXNET3_PM_MAX_FILTERS 6
429#define VMXNET3_PM_MAX_PATTERN_SIZE 128
430#define VMXNET3_PM_MAX_MASK_SIZE (VMXNET3_PM_MAX_PATTERN_SIZE / 8)
431
432#define VMXNET3_PM_WAKEUP_MAGIC 0x01 /* wake up on magic pkts */
433#define VMXNET3_PM_WAKEUP_FILTER 0x02 /* wake up on pkts matching
434 * filters */
435
436
437struct Vmxnet3_PM_PktFilter {
438 u8 maskSize;
439 u8 patternSize;
440 u8 mask[VMXNET3_PM_MAX_MASK_SIZE];
441 u8 pattern[VMXNET3_PM_MAX_PATTERN_SIZE];
442 u8 pad[6];
443};
444
445
446struct Vmxnet3_PMConf {
447 u16 wakeUpEvents; /* VMXNET3_PM_WAKEUP_xxx */
448 u8 numFilters;
449 u8 pad[5];
450 struct Vmxnet3_PM_PktFilter filters[VMXNET3_PM_MAX_FILTERS];
451};
452
453
454struct Vmxnet3_VariableLenConfDesc {
455 u32 confVer;
456 u32 confLen;
457 u64 confPA;
458};
459
460
461struct Vmxnet3_TxQueueDesc {
462 struct Vmxnet3_TxQueueCtrl ctrl;
463 struct Vmxnet3_TxQueueConf conf;
464
465 /* Driver read after a GET command */
466 struct Vmxnet3_QueueStatus status;
467 struct UPT1_TxStats stats;
468 u8 _pad[88]; /* 128 aligned */
469};
470
471
472struct Vmxnet3_RxQueueDesc {
473 struct Vmxnet3_RxQueueCtrl ctrl;
474 struct Vmxnet3_RxQueueConf conf;
475 /* Driver read after a GET commad */
476 struct Vmxnet3_QueueStatus status;
477 struct UPT1_RxStats stats;
478 u8 __pad[88]; /* 128 aligned */
479};
480
481
482struct Vmxnet3_DSDevRead {
483 /* read-only region for device, read by dev in response to a SET cmd */
484 struct Vmxnet3_MiscConf misc;
485 struct Vmxnet3_IntrConf intrConf;
486 struct Vmxnet3_RxFilterConf rxFilterConf;
487 struct Vmxnet3_VariableLenConfDesc rssConfDesc;
488 struct Vmxnet3_VariableLenConfDesc pmConfDesc;
489 struct Vmxnet3_VariableLenConfDesc pluginConfDesc;
490};
491
492/* All structures in DriverShared are padded to multiples of 8 bytes */
493struct Vmxnet3_DriverShared {
494 u32 magic;
495 /* make devRead start at 64bit boundaries */
496 u32 pad;
497 struct Vmxnet3_DSDevRead devRead;
498 u32 ecr;
499 u32 reserved[5];
500};
501
502
503#define VMXNET3_ECR_RQERR (1 << 0)
504#define VMXNET3_ECR_TQERR (1 << 1)
505#define VMXNET3_ECR_LINK (1 << 2)
506#define VMXNET3_ECR_DIC (1 << 3)
507#define VMXNET3_ECR_DEBUG (1 << 4)
508
509/* flip the gen bit of a ring */
510#define VMXNET3_FLIP_RING_GEN(gen) ((gen) = (gen) ^ 0x1)
511
512/* only use this if moving the idx won't affect the gen bit */
513#define VMXNET3_INC_RING_IDX_ONLY(idx, ring_size) \
514 do {\
515 (idx)++;\
516 if (unlikely((idx) == (ring_size))) {\
517 (idx) = 0;\
518 } \
519 } while (0)
520
521#define VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid) \
522 (vfTable[vid >> 5] |= (1 << (vid & 31)))
523#define VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid) \
524 (vfTable[vid >> 5] &= ~(1 << (vid & 31)))
525
526#define VMXNET3_VFTABLE_ENTRY_IS_SET(vfTable, vid) \
527 ((vfTable[vid >> 5] & (1 << (vid & 31))) != 0)
528
529#define VMXNET3_MAX_MTU 9000
530#define VMXNET3_MIN_MTU 60
531
532#define VMXNET3_LINK_UP (10000 << 16 | 1) /* 10 Gbps, up */
533#define VMXNET3_LINK_DOWN 0
534
535#endif /* _VMXNET3_DEFS_H_ */
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
new file mode 100644
index 000000000000..6a16f76f277e
--- /dev/null
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -0,0 +1,2565 @@
1/*
2 * Linux driver for VMware's vmxnet3 ethernet NIC.
3 *
4 * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; version 2 of the License and no later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13 * NON INFRINGEMENT. See the GNU General Public License for more
14 * details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * The full GNU General Public License is included in this distribution in
21 * the file called "COPYING".
22 *
23 * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
24 *
25 */
26
27#include "vmxnet3_int.h"
28
29char vmxnet3_driver_name[] = "vmxnet3";
30#define VMXNET3_DRIVER_DESC "VMware vmxnet3 virtual NIC driver"
31
32
33/*
34 * PCI Device ID Table
35 * Last entry must be all 0s
36 */
37static const struct pci_device_id vmxnet3_pciid_table[] = {
38 {PCI_VDEVICE(VMWARE, PCI_DEVICE_ID_VMWARE_VMXNET3)},
39 {0}
40};
41
42MODULE_DEVICE_TABLE(pci, vmxnet3_pciid_table);
43
44static atomic_t devices_found;
45
46
47/*
48 * Enable/Disable the given intr
49 */
50static void
51vmxnet3_enable_intr(struct vmxnet3_adapter *adapter, unsigned intr_idx)
52{
53 VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_IMR + intr_idx * 8, 0);
54}
55
56
57static void
58vmxnet3_disable_intr(struct vmxnet3_adapter *adapter, unsigned intr_idx)
59{
60 VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_IMR + intr_idx * 8, 1);
61}
62
63
64/*
65 * Enable/Disable all intrs used by the device
66 */
67static void
68vmxnet3_enable_all_intrs(struct vmxnet3_adapter *adapter)
69{
70 int i;
71
72 for (i = 0; i < adapter->intr.num_intrs; i++)
73 vmxnet3_enable_intr(adapter, i);
74}
75
76
77static void
78vmxnet3_disable_all_intrs(struct vmxnet3_adapter *adapter)
79{
80 int i;
81
82 for (i = 0; i < adapter->intr.num_intrs; i++)
83 vmxnet3_disable_intr(adapter, i);
84}
85
86
87static void
88vmxnet3_ack_events(struct vmxnet3_adapter *adapter, u32 events)
89{
90 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_ECR, events);
91}
92
93
94static bool
95vmxnet3_tq_stopped(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter)
96{
97 return netif_queue_stopped(adapter->netdev);
98}
99
100
101static void
102vmxnet3_tq_start(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter)
103{
104 tq->stopped = false;
105 netif_start_queue(adapter->netdev);
106}
107
108
109static void
110vmxnet3_tq_wake(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter)
111{
112 tq->stopped = false;
113 netif_wake_queue(adapter->netdev);
114}
115
116
117static void
118vmxnet3_tq_stop(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter)
119{
120 tq->stopped = true;
121 tq->num_stop++;
122 netif_stop_queue(adapter->netdev);
123}
124
125
126/*
127 * Check the link state. This may start or stop the tx queue.
128 */
129static void
130vmxnet3_check_link(struct vmxnet3_adapter *adapter)
131{
132 u32 ret;
133
134 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK);
135 ret = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
136 adapter->link_speed = ret >> 16;
137 if (ret & 1) { /* Link is up. */
138 printk(KERN_INFO "%s: NIC Link is Up %d Mbps\n",
139 adapter->netdev->name, adapter->link_speed);
140 if (!netif_carrier_ok(adapter->netdev))
141 netif_carrier_on(adapter->netdev);
142
143 vmxnet3_tq_start(&adapter->tx_queue, adapter);
144 } else {
145 printk(KERN_INFO "%s: NIC Link is Down\n",
146 adapter->netdev->name);
147 if (netif_carrier_ok(adapter->netdev))
148 netif_carrier_off(adapter->netdev);
149
150 vmxnet3_tq_stop(&adapter->tx_queue, adapter);
151 }
152}
153
154
155static void
156vmxnet3_process_events(struct vmxnet3_adapter *adapter)
157{
158 u32 events = adapter->shared->ecr;
159 if (!events)
160 return;
161
162 vmxnet3_ack_events(adapter, events);
163
164 /* Check if link state has changed */
165 if (events & VMXNET3_ECR_LINK)
166 vmxnet3_check_link(adapter);
167
168 /* Check if there is an error on xmit/recv queues */
169 if (events & (VMXNET3_ECR_TQERR | VMXNET3_ECR_RQERR)) {
170 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
171 VMXNET3_CMD_GET_QUEUE_STATUS);
172
173 if (adapter->tqd_start->status.stopped) {
174 printk(KERN_ERR "%s: tq error 0x%x\n",
175 adapter->netdev->name,
176 adapter->tqd_start->status.error);
177 }
178 if (adapter->rqd_start->status.stopped) {
179 printk(KERN_ERR "%s: rq error 0x%x\n",
180 adapter->netdev->name,
181 adapter->rqd_start->status.error);
182 }
183
184 schedule_work(&adapter->work);
185 }
186}
187
188
189static void
190vmxnet3_unmap_tx_buf(struct vmxnet3_tx_buf_info *tbi,
191 struct pci_dev *pdev)
192{
193 if (tbi->map_type == VMXNET3_MAP_SINGLE)
194 pci_unmap_single(pdev, tbi->dma_addr, tbi->len,
195 PCI_DMA_TODEVICE);
196 else if (tbi->map_type == VMXNET3_MAP_PAGE)
197 pci_unmap_page(pdev, tbi->dma_addr, tbi->len,
198 PCI_DMA_TODEVICE);
199 else
200 BUG_ON(tbi->map_type != VMXNET3_MAP_NONE);
201
202 tbi->map_type = VMXNET3_MAP_NONE; /* to help debugging */
203}
204
205
206static int
207vmxnet3_unmap_pkt(u32 eop_idx, struct vmxnet3_tx_queue *tq,
208 struct pci_dev *pdev, struct vmxnet3_adapter *adapter)
209{
210 struct sk_buff *skb;
211 int entries = 0;
212
213 /* no out of order completion */
214 BUG_ON(tq->buf_info[eop_idx].sop_idx != tq->tx_ring.next2comp);
215 BUG_ON(tq->tx_ring.base[eop_idx].txd.eop != 1);
216
217 skb = tq->buf_info[eop_idx].skb;
218 BUG_ON(skb == NULL);
219 tq->buf_info[eop_idx].skb = NULL;
220
221 VMXNET3_INC_RING_IDX_ONLY(eop_idx, tq->tx_ring.size);
222
223 while (tq->tx_ring.next2comp != eop_idx) {
224 vmxnet3_unmap_tx_buf(tq->buf_info + tq->tx_ring.next2comp,
225 pdev);
226
227 /* update next2comp w/o tx_lock. Since we are marking more,
228 * instead of less, tx ring entries avail, the worst case is
229 * that the tx routine incorrectly re-queues a pkt due to
230 * insufficient tx ring entries.
231 */
232 vmxnet3_cmd_ring_adv_next2comp(&tq->tx_ring);
233 entries++;
234 }
235
236 dev_kfree_skb_any(skb);
237 return entries;
238}
239
240
241static int
242vmxnet3_tq_tx_complete(struct vmxnet3_tx_queue *tq,
243 struct vmxnet3_adapter *adapter)
244{
245 int completed = 0;
246 union Vmxnet3_GenericDesc *gdesc;
247
248 gdesc = tq->comp_ring.base + tq->comp_ring.next2proc;
249 while (gdesc->tcd.gen == tq->comp_ring.gen) {
250 completed += vmxnet3_unmap_pkt(gdesc->tcd.txdIdx, tq,
251 adapter->pdev, adapter);
252
253 vmxnet3_comp_ring_adv_next2proc(&tq->comp_ring);
254 gdesc = tq->comp_ring.base + tq->comp_ring.next2proc;
255 }
256
257 if (completed) {
258 spin_lock(&tq->tx_lock);
259 if (unlikely(vmxnet3_tq_stopped(tq, adapter) &&
260 vmxnet3_cmd_ring_desc_avail(&tq->tx_ring) >
261 VMXNET3_WAKE_QUEUE_THRESHOLD(tq) &&
262 netif_carrier_ok(adapter->netdev))) {
263 vmxnet3_tq_wake(tq, adapter);
264 }
265 spin_unlock(&tq->tx_lock);
266 }
267 return completed;
268}
269
270
271static void
272vmxnet3_tq_cleanup(struct vmxnet3_tx_queue *tq,
273 struct vmxnet3_adapter *adapter)
274{
275 int i;
276
277 while (tq->tx_ring.next2comp != tq->tx_ring.next2fill) {
278 struct vmxnet3_tx_buf_info *tbi;
279 union Vmxnet3_GenericDesc *gdesc;
280
281 tbi = tq->buf_info + tq->tx_ring.next2comp;
282 gdesc = tq->tx_ring.base + tq->tx_ring.next2comp;
283
284 vmxnet3_unmap_tx_buf(tbi, adapter->pdev);
285 if (tbi->skb) {
286 dev_kfree_skb_any(tbi->skb);
287 tbi->skb = NULL;
288 }
289 vmxnet3_cmd_ring_adv_next2comp(&tq->tx_ring);
290 }
291
292 /* sanity check, verify all buffers are indeed unmapped and freed */
293 for (i = 0; i < tq->tx_ring.size; i++) {
294 BUG_ON(tq->buf_info[i].skb != NULL ||
295 tq->buf_info[i].map_type != VMXNET3_MAP_NONE);
296 }
297
298 tq->tx_ring.gen = VMXNET3_INIT_GEN;
299 tq->tx_ring.next2fill = tq->tx_ring.next2comp = 0;
300
301 tq->comp_ring.gen = VMXNET3_INIT_GEN;
302 tq->comp_ring.next2proc = 0;
303}
304
305
306void
307vmxnet3_tq_destroy(struct vmxnet3_tx_queue *tq,
308 struct vmxnet3_adapter *adapter)
309{
310 if (tq->tx_ring.base) {
311 pci_free_consistent(adapter->pdev, tq->tx_ring.size *
312 sizeof(struct Vmxnet3_TxDesc),
313 tq->tx_ring.base, tq->tx_ring.basePA);
314 tq->tx_ring.base = NULL;
315 }
316 if (tq->data_ring.base) {
317 pci_free_consistent(adapter->pdev, tq->data_ring.size *
318 sizeof(struct Vmxnet3_TxDataDesc),
319 tq->data_ring.base, tq->data_ring.basePA);
320 tq->data_ring.base = NULL;
321 }
322 if (tq->comp_ring.base) {
323 pci_free_consistent(adapter->pdev, tq->comp_ring.size *
324 sizeof(struct Vmxnet3_TxCompDesc),
325 tq->comp_ring.base, tq->comp_ring.basePA);
326 tq->comp_ring.base = NULL;
327 }
328 kfree(tq->buf_info);
329 tq->buf_info = NULL;
330}
331
332
333static void
334vmxnet3_tq_init(struct vmxnet3_tx_queue *tq,
335 struct vmxnet3_adapter *adapter)
336{
337 int i;
338
339 /* reset the tx ring contents to 0 and reset the tx ring states */
340 memset(tq->tx_ring.base, 0, tq->tx_ring.size *
341 sizeof(struct Vmxnet3_TxDesc));
342 tq->tx_ring.next2fill = tq->tx_ring.next2comp = 0;
343 tq->tx_ring.gen = VMXNET3_INIT_GEN;
344
345 memset(tq->data_ring.base, 0, tq->data_ring.size *
346 sizeof(struct Vmxnet3_TxDataDesc));
347
348 /* reset the tx comp ring contents to 0 and reset comp ring states */
349 memset(tq->comp_ring.base, 0, tq->comp_ring.size *
350 sizeof(struct Vmxnet3_TxCompDesc));
351 tq->comp_ring.next2proc = 0;
352 tq->comp_ring.gen = VMXNET3_INIT_GEN;
353
354 /* reset the bookkeeping data */
355 memset(tq->buf_info, 0, sizeof(tq->buf_info[0]) * tq->tx_ring.size);
356 for (i = 0; i < tq->tx_ring.size; i++)
357 tq->buf_info[i].map_type = VMXNET3_MAP_NONE;
358
359 /* stats are not reset */
360}
361
362
363static int
364vmxnet3_tq_create(struct vmxnet3_tx_queue *tq,
365 struct vmxnet3_adapter *adapter)
366{
367 BUG_ON(tq->tx_ring.base || tq->data_ring.base ||
368 tq->comp_ring.base || tq->buf_info);
369
370 tq->tx_ring.base = pci_alloc_consistent(adapter->pdev, tq->tx_ring.size
371 * sizeof(struct Vmxnet3_TxDesc),
372 &tq->tx_ring.basePA);
373 if (!tq->tx_ring.base) {
374 printk(KERN_ERR "%s: failed to allocate tx ring\n",
375 adapter->netdev->name);
376 goto err;
377 }
378
379 tq->data_ring.base = pci_alloc_consistent(adapter->pdev,
380 tq->data_ring.size *
381 sizeof(struct Vmxnet3_TxDataDesc),
382 &tq->data_ring.basePA);
383 if (!tq->data_ring.base) {
384 printk(KERN_ERR "%s: failed to allocate data ring\n",
385 adapter->netdev->name);
386 goto err;
387 }
388
389 tq->comp_ring.base = pci_alloc_consistent(adapter->pdev,
390 tq->comp_ring.size *
391 sizeof(struct Vmxnet3_TxCompDesc),
392 &tq->comp_ring.basePA);
393 if (!tq->comp_ring.base) {
394 printk(KERN_ERR "%s: failed to allocate tx comp ring\n",
395 adapter->netdev->name);
396 goto err;
397 }
398
399 tq->buf_info = kcalloc(tq->tx_ring.size, sizeof(tq->buf_info[0]),
400 GFP_KERNEL);
401 if (!tq->buf_info) {
402 printk(KERN_ERR "%s: failed to allocate tx bufinfo\n",
403 adapter->netdev->name);
404 goto err;
405 }
406
407 return 0;
408
409err:
410 vmxnet3_tq_destroy(tq, adapter);
411 return -ENOMEM;
412}
413
414
415/*
416 * starting from ring->next2fill, allocate rx buffers for the given ring
417 * of the rx queue and update the rx desc. stop after @num_to_alloc buffers
418 * are allocated or allocation fails
419 */
420
421static int
422vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
423 int num_to_alloc, struct vmxnet3_adapter *adapter)
424{
425 int num_allocated = 0;
426 struct vmxnet3_rx_buf_info *rbi_base = rq->buf_info[ring_idx];
427 struct vmxnet3_cmd_ring *ring = &rq->rx_ring[ring_idx];
428 u32 val;
429
430 while (num_allocated < num_to_alloc) {
431 struct vmxnet3_rx_buf_info *rbi;
432 union Vmxnet3_GenericDesc *gd;
433
434 rbi = rbi_base + ring->next2fill;
435 gd = ring->base + ring->next2fill;
436
437 if (rbi->buf_type == VMXNET3_RX_BUF_SKB) {
438 if (rbi->skb == NULL) {
439 rbi->skb = dev_alloc_skb(rbi->len +
440 NET_IP_ALIGN);
441 if (unlikely(rbi->skb == NULL)) {
442 rq->stats.rx_buf_alloc_failure++;
443 break;
444 }
445 rbi->skb->dev = adapter->netdev;
446
447 skb_reserve(rbi->skb, NET_IP_ALIGN);
448 rbi->dma_addr = pci_map_single(adapter->pdev,
449 rbi->skb->data, rbi->len,
450 PCI_DMA_FROMDEVICE);
451 } else {
452 /* rx buffer skipped by the device */
453 }
454 val = VMXNET3_RXD_BTYPE_HEAD << VMXNET3_RXD_BTYPE_SHIFT;
455 } else {
456 BUG_ON(rbi->buf_type != VMXNET3_RX_BUF_PAGE ||
457 rbi->len != PAGE_SIZE);
458
459 if (rbi->page == NULL) {
460 rbi->page = alloc_page(GFP_ATOMIC);
461 if (unlikely(rbi->page == NULL)) {
462 rq->stats.rx_buf_alloc_failure++;
463 break;
464 }
465 rbi->dma_addr = pci_map_page(adapter->pdev,
466 rbi->page, 0, PAGE_SIZE,
467 PCI_DMA_FROMDEVICE);
468 } else {
469 /* rx buffers skipped by the device */
470 }
471 val = VMXNET3_RXD_BTYPE_BODY << VMXNET3_RXD_BTYPE_SHIFT;
472 }
473
474 BUG_ON(rbi->dma_addr == 0);
475 gd->rxd.addr = rbi->dma_addr;
476 gd->dword[2] = (ring->gen << VMXNET3_RXD_GEN_SHIFT) | val |
477 rbi->len;
478
479 num_allocated++;
480 vmxnet3_cmd_ring_adv_next2fill(ring);
481 }
482 rq->uncommitted[ring_idx] += num_allocated;
483
484 dprintk(KERN_ERR "alloc_rx_buf: %d allocated, next2fill %u, next2comp "
485 "%u, uncommited %u\n", num_allocated, ring->next2fill,
486 ring->next2comp, rq->uncommitted[ring_idx]);
487
488 /* so that the device can distinguish a full ring and an empty ring */
489 BUG_ON(num_allocated != 0 && ring->next2fill == ring->next2comp);
490
491 return num_allocated;
492}
493
494
495static void
496vmxnet3_append_frag(struct sk_buff *skb, struct Vmxnet3_RxCompDesc *rcd,
497 struct vmxnet3_rx_buf_info *rbi)
498{
499 struct skb_frag_struct *frag = skb_shinfo(skb)->frags +
500 skb_shinfo(skb)->nr_frags;
501
502 BUG_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS);
503
504 frag->page = rbi->page;
505 frag->page_offset = 0;
506 frag->size = rcd->len;
507 skb->data_len += frag->size;
508 skb_shinfo(skb)->nr_frags++;
509}
510
511
512static void
513vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
514 struct vmxnet3_tx_queue *tq, struct pci_dev *pdev,
515 struct vmxnet3_adapter *adapter)
516{
517 u32 dw2, len;
518 unsigned long buf_offset;
519 int i;
520 union Vmxnet3_GenericDesc *gdesc;
521 struct vmxnet3_tx_buf_info *tbi = NULL;
522
523 BUG_ON(ctx->copy_size > skb_headlen(skb));
524
525 /* use the previous gen bit for the SOP desc */
526 dw2 = (tq->tx_ring.gen ^ 0x1) << VMXNET3_TXD_GEN_SHIFT;
527
528 ctx->sop_txd = tq->tx_ring.base + tq->tx_ring.next2fill;
529 gdesc = ctx->sop_txd; /* both loops below can be skipped */
530
531 /* no need to map the buffer if headers are copied */
532 if (ctx->copy_size) {
533 ctx->sop_txd->txd.addr = tq->data_ring.basePA +
534 tq->tx_ring.next2fill *
535 sizeof(struct Vmxnet3_TxDataDesc);
536 ctx->sop_txd->dword[2] = dw2 | ctx->copy_size;
537 ctx->sop_txd->dword[3] = 0;
538
539 tbi = tq->buf_info + tq->tx_ring.next2fill;
540 tbi->map_type = VMXNET3_MAP_NONE;
541
542 dprintk(KERN_ERR "txd[%u]: 0x%Lx 0x%x 0x%x\n",
543 tq->tx_ring.next2fill, ctx->sop_txd->txd.addr,
544 ctx->sop_txd->dword[2], ctx->sop_txd->dword[3]);
545 vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
546
547 /* use the right gen for non-SOP desc */
548 dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
549 }
550
551 /* linear part can use multiple tx desc if it's big */
552 len = skb_headlen(skb) - ctx->copy_size;
553 buf_offset = ctx->copy_size;
554 while (len) {
555 u32 buf_size;
556
557 buf_size = len > VMXNET3_MAX_TX_BUF_SIZE ?
558 VMXNET3_MAX_TX_BUF_SIZE : len;
559
560 tbi = tq->buf_info + tq->tx_ring.next2fill;
561 tbi->map_type = VMXNET3_MAP_SINGLE;
562 tbi->dma_addr = pci_map_single(adapter->pdev,
563 skb->data + buf_offset, buf_size,
564 PCI_DMA_TODEVICE);
565
566 tbi->len = buf_size; /* this automatically convert 2^14 to 0 */
567
568 gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
569 BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
570
571 gdesc->txd.addr = tbi->dma_addr;
572 gdesc->dword[2] = dw2 | buf_size;
573 gdesc->dword[3] = 0;
574
575 dprintk(KERN_ERR "txd[%u]: 0x%Lx 0x%x 0x%x\n",
576 tq->tx_ring.next2fill, gdesc->txd.addr,
577 gdesc->dword[2], gdesc->dword[3]);
578 vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
579 dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
580
581 len -= buf_size;
582 buf_offset += buf_size;
583 }
584
585 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
586 struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
587
588 tbi = tq->buf_info + tq->tx_ring.next2fill;
589 tbi->map_type = VMXNET3_MAP_PAGE;
590 tbi->dma_addr = pci_map_page(adapter->pdev, frag->page,
591 frag->page_offset, frag->size,
592 PCI_DMA_TODEVICE);
593
594 tbi->len = frag->size;
595
596 gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
597 BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
598
599 gdesc->txd.addr = tbi->dma_addr;
600 gdesc->dword[2] = dw2 | frag->size;
601 gdesc->dword[3] = 0;
602
603 dprintk(KERN_ERR "txd[%u]: 0x%llu %u %u\n",
604 tq->tx_ring.next2fill, gdesc->txd.addr,
605 gdesc->dword[2], gdesc->dword[3]);
606 vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
607 dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
608 }
609
610 ctx->eop_txd = gdesc;
611
612 /* set the last buf_info for the pkt */
613 tbi->skb = skb;
614 tbi->sop_idx = ctx->sop_txd - tq->tx_ring.base;
615}
616
617
618/*
619 * parse and copy relevant protocol headers:
620 * For a tso pkt, relevant headers are L2/3/4 including options
621 * For a pkt requesting csum offloading, they are L2/3 and may include L4
622 * if it's a TCP/UDP pkt
623 *
624 * Returns:
625 * -1: error happens during parsing
626 * 0: protocol headers parsed, but too big to be copied
627 * 1: protocol headers parsed and copied
628 *
629 * Other effects:
630 * 1. related *ctx fields are updated.
631 * 2. ctx->copy_size is # of bytes copied
632 * 3. the portion copied is guaranteed to be in the linear part
633 *
634 */
635static int
636vmxnet3_parse_and_copy_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
637 struct vmxnet3_tx_ctx *ctx,
638 struct vmxnet3_adapter *adapter)
639{
640 struct Vmxnet3_TxDataDesc *tdd;
641
642 if (ctx->mss) {
643 ctx->eth_ip_hdr_size = skb_transport_offset(skb);
644 ctx->l4_hdr_size = ((struct tcphdr *)
645 skb_transport_header(skb))->doff * 4;
646 ctx->copy_size = ctx->eth_ip_hdr_size + ctx->l4_hdr_size;
647 } else {
648 unsigned int pull_size;
649
650 if (skb->ip_summed == CHECKSUM_PARTIAL) {
651 ctx->eth_ip_hdr_size = skb_transport_offset(skb);
652
653 if (ctx->ipv4) {
654 struct iphdr *iph = (struct iphdr *)
655 skb_network_header(skb);
656 if (iph->protocol == IPPROTO_TCP) {
657 pull_size = ctx->eth_ip_hdr_size +
658 sizeof(struct tcphdr);
659
660 if (unlikely(!pskb_may_pull(skb,
661 pull_size))) {
662 goto err;
663 }
664 ctx->l4_hdr_size = ((struct tcphdr *)
665 skb_transport_header(skb))->doff * 4;
666 } else if (iph->protocol == IPPROTO_UDP) {
667 ctx->l4_hdr_size =
668 sizeof(struct udphdr);
669 } else {
670 ctx->l4_hdr_size = 0;
671 }
672 } else {
673 /* for simplicity, don't copy L4 headers */
674 ctx->l4_hdr_size = 0;
675 }
676 ctx->copy_size = ctx->eth_ip_hdr_size +
677 ctx->l4_hdr_size;
678 } else {
679 ctx->eth_ip_hdr_size = 0;
680 ctx->l4_hdr_size = 0;
681 /* copy as much as allowed */
682 ctx->copy_size = min((unsigned int)VMXNET3_HDR_COPY_SIZE
683 , skb_headlen(skb));
684 }
685
686 /* make sure headers are accessible directly */
687 if (unlikely(!pskb_may_pull(skb, ctx->copy_size)))
688 goto err;
689 }
690
691 if (unlikely(ctx->copy_size > VMXNET3_HDR_COPY_SIZE)) {
692 tq->stats.oversized_hdr++;
693 ctx->copy_size = 0;
694 return 0;
695 }
696
697 tdd = tq->data_ring.base + tq->tx_ring.next2fill;
698
699 memcpy(tdd->data, skb->data, ctx->copy_size);
700 dprintk(KERN_ERR "copy %u bytes to dataRing[%u]\n",
701 ctx->copy_size, tq->tx_ring.next2fill);
702 return 1;
703
704err:
705 return -1;
706}
707
708
709static void
710vmxnet3_prepare_tso(struct sk_buff *skb,
711 struct vmxnet3_tx_ctx *ctx)
712{
713 struct tcphdr *tcph = (struct tcphdr *)skb_transport_header(skb);
714 if (ctx->ipv4) {
715 struct iphdr *iph = (struct iphdr *)skb_network_header(skb);
716 iph->check = 0;
717 tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, 0,
718 IPPROTO_TCP, 0);
719 } else {
720 struct ipv6hdr *iph = (struct ipv6hdr *)skb_network_header(skb);
721 tcph->check = ~csum_ipv6_magic(&iph->saddr, &iph->daddr, 0,
722 IPPROTO_TCP, 0);
723 }
724}
725
726
727/*
728 * Transmits a pkt thru a given tq
729 * Returns:
730 * NETDEV_TX_OK: descriptors are setup successfully
731 * NETDEV_TX_OK: error occured, the pkt is dropped
732 * NETDEV_TX_BUSY: tx ring is full, queue is stopped
733 *
734 * Side-effects:
735 * 1. tx ring may be changed
736 * 2. tq stats may be updated accordingly
737 * 3. shared->txNumDeferred may be updated
738 */
739
740static int
741vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
742 struct vmxnet3_adapter *adapter, struct net_device *netdev)
743{
744 int ret;
745 u32 count;
746 unsigned long flags;
747 struct vmxnet3_tx_ctx ctx;
748 union Vmxnet3_GenericDesc *gdesc;
749
750 /* conservatively estimate # of descriptors to use */
751 count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) +
752 skb_shinfo(skb)->nr_frags + 1;
753
754 ctx.ipv4 = (skb->protocol == __constant_ntohs(ETH_P_IP));
755
756 ctx.mss = skb_shinfo(skb)->gso_size;
757 if (ctx.mss) {
758 if (skb_header_cloned(skb)) {
759 if (unlikely(pskb_expand_head(skb, 0, 0,
760 GFP_ATOMIC) != 0)) {
761 tq->stats.drop_tso++;
762 goto drop_pkt;
763 }
764 tq->stats.copy_skb_header++;
765 }
766 vmxnet3_prepare_tso(skb, &ctx);
767 } else {
768 if (unlikely(count > VMXNET3_MAX_TXD_PER_PKT)) {
769
770 /* non-tso pkts must not use more than
771 * VMXNET3_MAX_TXD_PER_PKT entries
772 */
773 if (skb_linearize(skb) != 0) {
774 tq->stats.drop_too_many_frags++;
775 goto drop_pkt;
776 }
777 tq->stats.linearized++;
778
779 /* recalculate the # of descriptors to use */
780 count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + 1;
781 }
782 }
783
784 ret = vmxnet3_parse_and_copy_hdr(skb, tq, &ctx, adapter);
785 if (ret >= 0) {
786 BUG_ON(ret <= 0 && ctx.copy_size != 0);
787 /* hdrs parsed, check against other limits */
788 if (ctx.mss) {
789 if (unlikely(ctx.eth_ip_hdr_size + ctx.l4_hdr_size >
790 VMXNET3_MAX_TX_BUF_SIZE)) {
791 goto hdr_too_big;
792 }
793 } else {
794 if (skb->ip_summed == CHECKSUM_PARTIAL) {
795 if (unlikely(ctx.eth_ip_hdr_size +
796 skb->csum_offset >
797 VMXNET3_MAX_CSUM_OFFSET)) {
798 goto hdr_too_big;
799 }
800 }
801 }
802 } else {
803 tq->stats.drop_hdr_inspect_err++;
804 goto drop_pkt;
805 }
806
807 spin_lock_irqsave(&tq->tx_lock, flags);
808
809 if (count > vmxnet3_cmd_ring_desc_avail(&tq->tx_ring)) {
810 tq->stats.tx_ring_full++;
811 dprintk(KERN_ERR "tx queue stopped on %s, next2comp %u"
812 " next2fill %u\n", adapter->netdev->name,
813 tq->tx_ring.next2comp, tq->tx_ring.next2fill);
814
815 vmxnet3_tq_stop(tq, adapter);
816 spin_unlock_irqrestore(&tq->tx_lock, flags);
817 return NETDEV_TX_BUSY;
818 }
819
820 /* fill tx descs related to addr & len */
821 vmxnet3_map_pkt(skb, &ctx, tq, adapter->pdev, adapter);
822
823 /* setup the EOP desc */
824 ctx.eop_txd->dword[3] = VMXNET3_TXD_CQ | VMXNET3_TXD_EOP;
825
826 /* setup the SOP desc */
827 gdesc = ctx.sop_txd;
828 if (ctx.mss) {
829 gdesc->txd.hlen = ctx.eth_ip_hdr_size + ctx.l4_hdr_size;
830 gdesc->txd.om = VMXNET3_OM_TSO;
831 gdesc->txd.msscof = ctx.mss;
832 tq->shared->txNumDeferred += (skb->len - gdesc->txd.hlen +
833 ctx.mss - 1) / ctx.mss;
834 } else {
835 if (skb->ip_summed == CHECKSUM_PARTIAL) {
836 gdesc->txd.hlen = ctx.eth_ip_hdr_size;
837 gdesc->txd.om = VMXNET3_OM_CSUM;
838 gdesc->txd.msscof = ctx.eth_ip_hdr_size +
839 skb->csum_offset;
840 } else {
841 gdesc->txd.om = 0;
842 gdesc->txd.msscof = 0;
843 }
844 tq->shared->txNumDeferred++;
845 }
846
847 if (vlan_tx_tag_present(skb)) {
848 gdesc->txd.ti = 1;
849 gdesc->txd.tci = vlan_tx_tag_get(skb);
850 }
851
852 wmb();
853
854 /* finally flips the GEN bit of the SOP desc */
855 gdesc->dword[2] ^= VMXNET3_TXD_GEN;
856 dprintk(KERN_ERR "txd[%u]: SOP 0x%Lx 0x%x 0x%x\n",
857 (u32)((union Vmxnet3_GenericDesc *)ctx.sop_txd -
858 tq->tx_ring.base), gdesc->txd.addr, gdesc->dword[2],
859 gdesc->dword[3]);
860
861 spin_unlock_irqrestore(&tq->tx_lock, flags);
862
863 if (tq->shared->txNumDeferred >= tq->shared->txThreshold) {
864 tq->shared->txNumDeferred = 0;
865 VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_TXPROD,
866 tq->tx_ring.next2fill);
867 }
868 netdev->trans_start = jiffies;
869
870 return NETDEV_TX_OK;
871
872hdr_too_big:
873 tq->stats.drop_oversized_hdr++;
874drop_pkt:
875 tq->stats.drop_total++;
876 dev_kfree_skb(skb);
877 return NETDEV_TX_OK;
878}
879
880
881static netdev_tx_t
882vmxnet3_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
883{
884 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
885 struct vmxnet3_tx_queue *tq = &adapter->tx_queue;
886
887 return vmxnet3_tq_xmit(skb, tq, adapter, netdev);
888}
889
890
891static void
892vmxnet3_rx_csum(struct vmxnet3_adapter *adapter,
893 struct sk_buff *skb,
894 union Vmxnet3_GenericDesc *gdesc)
895{
896 if (!gdesc->rcd.cnc && adapter->rxcsum) {
897 /* typical case: TCP/UDP over IP and both csums are correct */
898 if ((gdesc->dword[3] & VMXNET3_RCD_CSUM_OK) ==
899 VMXNET3_RCD_CSUM_OK) {
900 skb->ip_summed = CHECKSUM_UNNECESSARY;
901 BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp));
902 BUG_ON(!(gdesc->rcd.v4 || gdesc->rcd.v6));
903 BUG_ON(gdesc->rcd.frg);
904 } else {
905 if (gdesc->rcd.csum) {
906 skb->csum = htons(gdesc->rcd.csum);
907 skb->ip_summed = CHECKSUM_PARTIAL;
908 } else {
909 skb->ip_summed = CHECKSUM_NONE;
910 }
911 }
912 } else {
913 skb->ip_summed = CHECKSUM_NONE;
914 }
915}
916
917
918static void
919vmxnet3_rx_error(struct vmxnet3_rx_queue *rq, struct Vmxnet3_RxCompDesc *rcd,
920 struct vmxnet3_rx_ctx *ctx, struct vmxnet3_adapter *adapter)
921{
922 rq->stats.drop_err++;
923 if (!rcd->fcs)
924 rq->stats.drop_fcs++;
925
926 rq->stats.drop_total++;
927
928 /*
929 * We do not unmap and chain the rx buffer to the skb.
930 * We basically pretend this buffer is not used and will be recycled
931 * by vmxnet3_rq_alloc_rx_buf()
932 */
933
934 /*
935 * ctx->skb may be NULL if this is the first and the only one
936 * desc for the pkt
937 */
938 if (ctx->skb)
939 dev_kfree_skb_irq(ctx->skb);
940
941 ctx->skb = NULL;
942}
943
944
945static int
946vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
947 struct vmxnet3_adapter *adapter, int quota)
948{
949 static u32 rxprod_reg[2] = {VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2};
950 u32 num_rxd = 0;
951 struct Vmxnet3_RxCompDesc *rcd;
952 struct vmxnet3_rx_ctx *ctx = &rq->rx_ctx;
953
954 rcd = &rq->comp_ring.base[rq->comp_ring.next2proc].rcd;
955 while (rcd->gen == rq->comp_ring.gen) {
956 struct vmxnet3_rx_buf_info *rbi;
957 struct sk_buff *skb;
958 int num_to_alloc;
959 struct Vmxnet3_RxDesc *rxd;
960 u32 idx, ring_idx;
961
962 if (num_rxd >= quota) {
963 /* we may stop even before we see the EOP desc of
964 * the current pkt
965 */
966 break;
967 }
968 num_rxd++;
969
970 idx = rcd->rxdIdx;
971 ring_idx = rcd->rqID == rq->qid ? 0 : 1;
972
973 rxd = &rq->rx_ring[ring_idx].base[idx].rxd;
974 rbi = rq->buf_info[ring_idx] + idx;
975
976 BUG_ON(rxd->addr != rbi->dma_addr || rxd->len != rbi->len);
977
978 if (unlikely(rcd->eop && rcd->err)) {
979 vmxnet3_rx_error(rq, rcd, ctx, adapter);
980 goto rcd_done;
981 }
982
983 if (rcd->sop) { /* first buf of the pkt */
984 BUG_ON(rxd->btype != VMXNET3_RXD_BTYPE_HEAD ||
985 rcd->rqID != rq->qid);
986
987 BUG_ON(rbi->buf_type != VMXNET3_RX_BUF_SKB);
988 BUG_ON(ctx->skb != NULL || rbi->skb == NULL);
989
990 if (unlikely(rcd->len == 0)) {
991 /* Pretend the rx buffer is skipped. */
992 BUG_ON(!(rcd->sop && rcd->eop));
993 dprintk(KERN_ERR "rxRing[%u][%u] 0 length\n",
994 ring_idx, idx);
995 goto rcd_done;
996 }
997
998 ctx->skb = rbi->skb;
999 rbi->skb = NULL;
1000
1001 pci_unmap_single(adapter->pdev, rbi->dma_addr, rbi->len,
1002 PCI_DMA_FROMDEVICE);
1003
1004 skb_put(ctx->skb, rcd->len);
1005 } else {
1006 BUG_ON(ctx->skb == NULL);
1007 /* non SOP buffer must be type 1 in most cases */
1008 if (rbi->buf_type == VMXNET3_RX_BUF_PAGE) {
1009 BUG_ON(rxd->btype != VMXNET3_RXD_BTYPE_BODY);
1010
1011 if (rcd->len) {
1012 pci_unmap_page(adapter->pdev,
1013 rbi->dma_addr, rbi->len,
1014 PCI_DMA_FROMDEVICE);
1015
1016 vmxnet3_append_frag(ctx->skb, rcd, rbi);
1017 rbi->page = NULL;
1018 }
1019 } else {
1020 /*
1021 * The only time a non-SOP buffer is type 0 is
1022 * when it's EOP and error flag is raised, which
1023 * has already been handled.
1024 */
1025 BUG_ON(true);
1026 }
1027 }
1028
1029 skb = ctx->skb;
1030 if (rcd->eop) {
1031 skb->len += skb->data_len;
1032 skb->truesize += skb->data_len;
1033
1034 vmxnet3_rx_csum(adapter, skb,
1035 (union Vmxnet3_GenericDesc *)rcd);
1036 skb->protocol = eth_type_trans(skb, adapter->netdev);
1037
1038 if (unlikely(adapter->vlan_grp && rcd->ts)) {
1039 vlan_hwaccel_receive_skb(skb,
1040 adapter->vlan_grp, rcd->tci);
1041 } else {
1042 netif_receive_skb(skb);
1043 }
1044
1045 adapter->netdev->last_rx = jiffies;
1046 ctx->skb = NULL;
1047 }
1048
1049rcd_done:
1050 /* device may skip some rx descs */
1051 rq->rx_ring[ring_idx].next2comp = idx;
1052 VMXNET3_INC_RING_IDX_ONLY(rq->rx_ring[ring_idx].next2comp,
1053 rq->rx_ring[ring_idx].size);
1054
1055 /* refill rx buffers frequently to avoid starving the h/w */
1056 num_to_alloc = vmxnet3_cmd_ring_desc_avail(rq->rx_ring +
1057 ring_idx);
1058 if (unlikely(num_to_alloc > VMXNET3_RX_ALLOC_THRESHOLD(rq,
1059 ring_idx, adapter))) {
1060 vmxnet3_rq_alloc_rx_buf(rq, ring_idx, num_to_alloc,
1061 adapter);
1062
1063 /* if needed, update the register */
1064 if (unlikely(rq->shared->updateRxProd)) {
1065 VMXNET3_WRITE_BAR0_REG(adapter,
1066 rxprod_reg[ring_idx] + rq->qid * 8,
1067 rq->rx_ring[ring_idx].next2fill);
1068 rq->uncommitted[ring_idx] = 0;
1069 }
1070 }
1071
1072 vmxnet3_comp_ring_adv_next2proc(&rq->comp_ring);
1073 rcd = &rq->comp_ring.base[rq->comp_ring.next2proc].rcd;
1074 }
1075
1076 return num_rxd;
1077}
1078
1079
1080static void
1081vmxnet3_rq_cleanup(struct vmxnet3_rx_queue *rq,
1082 struct vmxnet3_adapter *adapter)
1083{
1084 u32 i, ring_idx;
1085 struct Vmxnet3_RxDesc *rxd;
1086
1087 for (ring_idx = 0; ring_idx < 2; ring_idx++) {
1088 for (i = 0; i < rq->rx_ring[ring_idx].size; i++) {
1089 rxd = &rq->rx_ring[ring_idx].base[i].rxd;
1090
1091 if (rxd->btype == VMXNET3_RXD_BTYPE_HEAD &&
1092 rq->buf_info[ring_idx][i].skb) {
1093 pci_unmap_single(adapter->pdev, rxd->addr,
1094 rxd->len, PCI_DMA_FROMDEVICE);
1095 dev_kfree_skb(rq->buf_info[ring_idx][i].skb);
1096 rq->buf_info[ring_idx][i].skb = NULL;
1097 } else if (rxd->btype == VMXNET3_RXD_BTYPE_BODY &&
1098 rq->buf_info[ring_idx][i].page) {
1099 pci_unmap_page(adapter->pdev, rxd->addr,
1100 rxd->len, PCI_DMA_FROMDEVICE);
1101 put_page(rq->buf_info[ring_idx][i].page);
1102 rq->buf_info[ring_idx][i].page = NULL;
1103 }
1104 }
1105
1106 rq->rx_ring[ring_idx].gen = VMXNET3_INIT_GEN;
1107 rq->rx_ring[ring_idx].next2fill =
1108 rq->rx_ring[ring_idx].next2comp = 0;
1109 rq->uncommitted[ring_idx] = 0;
1110 }
1111
1112 rq->comp_ring.gen = VMXNET3_INIT_GEN;
1113 rq->comp_ring.next2proc = 0;
1114}
1115
1116
1117void vmxnet3_rq_destroy(struct vmxnet3_rx_queue *rq,
1118 struct vmxnet3_adapter *adapter)
1119{
1120 int i;
1121 int j;
1122
1123 /* all rx buffers must have already been freed */
1124 for (i = 0; i < 2; i++) {
1125 if (rq->buf_info[i]) {
1126 for (j = 0; j < rq->rx_ring[i].size; j++)
1127 BUG_ON(rq->buf_info[i][j].page != NULL);
1128 }
1129 }
1130
1131
1132 kfree(rq->buf_info[0]);
1133
1134 for (i = 0; i < 2; i++) {
1135 if (rq->rx_ring[i].base) {
1136 pci_free_consistent(adapter->pdev, rq->rx_ring[i].size
1137 * sizeof(struct Vmxnet3_RxDesc),
1138 rq->rx_ring[i].base,
1139 rq->rx_ring[i].basePA);
1140 rq->rx_ring[i].base = NULL;
1141 }
1142 rq->buf_info[i] = NULL;
1143 }
1144
1145 if (rq->comp_ring.base) {
1146 pci_free_consistent(adapter->pdev, rq->comp_ring.size *
1147 sizeof(struct Vmxnet3_RxCompDesc),
1148 rq->comp_ring.base, rq->comp_ring.basePA);
1149 rq->comp_ring.base = NULL;
1150 }
1151}
1152
1153
1154static int
1155vmxnet3_rq_init(struct vmxnet3_rx_queue *rq,
1156 struct vmxnet3_adapter *adapter)
1157{
1158 int i;
1159
1160 /* initialize buf_info */
1161 for (i = 0; i < rq->rx_ring[0].size; i++) {
1162
1163 /* 1st buf for a pkt is skbuff */
1164 if (i % adapter->rx_buf_per_pkt == 0) {
1165 rq->buf_info[0][i].buf_type = VMXNET3_RX_BUF_SKB;
1166 rq->buf_info[0][i].len = adapter->skb_buf_size;
1167 } else { /* subsequent bufs for a pkt is frag */
1168 rq->buf_info[0][i].buf_type = VMXNET3_RX_BUF_PAGE;
1169 rq->buf_info[0][i].len = PAGE_SIZE;
1170 }
1171 }
1172 for (i = 0; i < rq->rx_ring[1].size; i++) {
1173 rq->buf_info[1][i].buf_type = VMXNET3_RX_BUF_PAGE;
1174 rq->buf_info[1][i].len = PAGE_SIZE;
1175 }
1176
1177 /* reset internal state and allocate buffers for both rings */
1178 for (i = 0; i < 2; i++) {
1179 rq->rx_ring[i].next2fill = rq->rx_ring[i].next2comp = 0;
1180 rq->uncommitted[i] = 0;
1181
1182 memset(rq->rx_ring[i].base, 0, rq->rx_ring[i].size *
1183 sizeof(struct Vmxnet3_RxDesc));
1184 rq->rx_ring[i].gen = VMXNET3_INIT_GEN;
1185 }
1186 if (vmxnet3_rq_alloc_rx_buf(rq, 0, rq->rx_ring[0].size - 1,
1187 adapter) == 0) {
1188 /* at least has 1 rx buffer for the 1st ring */
1189 return -ENOMEM;
1190 }
1191 vmxnet3_rq_alloc_rx_buf(rq, 1, rq->rx_ring[1].size - 1, adapter);
1192
1193 /* reset the comp ring */
1194 rq->comp_ring.next2proc = 0;
1195 memset(rq->comp_ring.base, 0, rq->comp_ring.size *
1196 sizeof(struct Vmxnet3_RxCompDesc));
1197 rq->comp_ring.gen = VMXNET3_INIT_GEN;
1198
1199 /* reset rxctx */
1200 rq->rx_ctx.skb = NULL;
1201
1202 /* stats are not reset */
1203 return 0;
1204}
1205
1206
1207static int
1208vmxnet3_rq_create(struct vmxnet3_rx_queue *rq, struct vmxnet3_adapter *adapter)
1209{
1210 int i;
1211 size_t sz;
1212 struct vmxnet3_rx_buf_info *bi;
1213
1214 for (i = 0; i < 2; i++) {
1215
1216 sz = rq->rx_ring[i].size * sizeof(struct Vmxnet3_RxDesc);
1217 rq->rx_ring[i].base = pci_alloc_consistent(adapter->pdev, sz,
1218 &rq->rx_ring[i].basePA);
1219 if (!rq->rx_ring[i].base) {
1220 printk(KERN_ERR "%s: failed to allocate rx ring %d\n",
1221 adapter->netdev->name, i);
1222 goto err;
1223 }
1224 }
1225
1226 sz = rq->comp_ring.size * sizeof(struct Vmxnet3_RxCompDesc);
1227 rq->comp_ring.base = pci_alloc_consistent(adapter->pdev, sz,
1228 &rq->comp_ring.basePA);
1229 if (!rq->comp_ring.base) {
1230 printk(KERN_ERR "%s: failed to allocate rx comp ring\n",
1231 adapter->netdev->name);
1232 goto err;
1233 }
1234
1235 sz = sizeof(struct vmxnet3_rx_buf_info) * (rq->rx_ring[0].size +
1236 rq->rx_ring[1].size);
1237 bi = kmalloc(sz, GFP_KERNEL);
1238 if (!bi) {
1239 printk(KERN_ERR "%s: failed to allocate rx bufinfo\n",
1240 adapter->netdev->name);
1241 goto err;
1242 }
1243 memset(bi, 0, sz);
1244 rq->buf_info[0] = bi;
1245 rq->buf_info[1] = bi + rq->rx_ring[0].size;
1246
1247 return 0;
1248
1249err:
1250 vmxnet3_rq_destroy(rq, adapter);
1251 return -ENOMEM;
1252}
1253
1254
1255static int
1256vmxnet3_do_poll(struct vmxnet3_adapter *adapter, int budget)
1257{
1258 if (unlikely(adapter->shared->ecr))
1259 vmxnet3_process_events(adapter);
1260
1261 vmxnet3_tq_tx_complete(&adapter->tx_queue, adapter);
1262 return vmxnet3_rq_rx_complete(&adapter->rx_queue, adapter, budget);
1263}
1264
1265
1266static int
1267vmxnet3_poll(struct napi_struct *napi, int budget)
1268{
1269 struct vmxnet3_adapter *adapter = container_of(napi,
1270 struct vmxnet3_adapter, napi);
1271 int rxd_done;
1272
1273 rxd_done = vmxnet3_do_poll(adapter, budget);
1274
1275 if (rxd_done < budget) {
1276 napi_complete(napi);
1277 vmxnet3_enable_intr(adapter, 0);
1278 }
1279 return rxd_done;
1280}
1281
1282
1283/* Interrupt handler for vmxnet3 */
1284static irqreturn_t
1285vmxnet3_intr(int irq, void *dev_id)
1286{
1287 struct net_device *dev = dev_id;
1288 struct vmxnet3_adapter *adapter = netdev_priv(dev);
1289
1290 if (unlikely(adapter->intr.type == VMXNET3_IT_INTX)) {
1291 u32 icr = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_ICR);
1292 if (unlikely(icr == 0))
1293 /* not ours */
1294 return IRQ_NONE;
1295 }
1296
1297
1298 /* disable intr if needed */
1299 if (adapter->intr.mask_mode == VMXNET3_IMM_ACTIVE)
1300 vmxnet3_disable_intr(adapter, 0);
1301
1302 napi_schedule(&adapter->napi);
1303
1304 return IRQ_HANDLED;
1305}
1306
1307#ifdef CONFIG_NET_POLL_CONTROLLER
1308
1309
1310/* netpoll callback. */
1311static void
1312vmxnet3_netpoll(struct net_device *netdev)
1313{
1314 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
1315 int irq;
1316
1317#ifdef CONFIG_PCI_MSI
1318 if (adapter->intr.type == VMXNET3_IT_MSIX)
1319 irq = adapter->intr.msix_entries[0].vector;
1320 else
1321#endif
1322 irq = adapter->pdev->irq;
1323
1324 disable_irq(irq);
1325 vmxnet3_intr(irq, netdev);
1326 enable_irq(irq);
1327}
1328#endif
1329
1330static int
1331vmxnet3_request_irqs(struct vmxnet3_adapter *adapter)
1332{
1333 int err;
1334
1335#ifdef CONFIG_PCI_MSI
1336 if (adapter->intr.type == VMXNET3_IT_MSIX) {
1337 /* we only use 1 MSI-X vector */
1338 err = request_irq(adapter->intr.msix_entries[0].vector,
1339 vmxnet3_intr, 0, adapter->netdev->name,
1340 adapter->netdev);
1341 } else
1342#endif
1343 if (adapter->intr.type == VMXNET3_IT_MSI) {
1344 err = request_irq(adapter->pdev->irq, vmxnet3_intr, 0,
1345 adapter->netdev->name, adapter->netdev);
1346 } else {
1347 err = request_irq(adapter->pdev->irq, vmxnet3_intr,
1348 IRQF_SHARED, adapter->netdev->name,
1349 adapter->netdev);
1350 }
1351
1352 if (err)
1353 printk(KERN_ERR "Failed to request irq %s (intr type:%d), error"
1354 ":%d\n", adapter->netdev->name, adapter->intr.type, err);
1355
1356
1357 if (!err) {
1358 int i;
1359 /* init our intr settings */
1360 for (i = 0; i < adapter->intr.num_intrs; i++)
1361 adapter->intr.mod_levels[i] = UPT1_IML_ADAPTIVE;
1362
1363 /* next setup intr index for all intr sources */
1364 adapter->tx_queue.comp_ring.intr_idx = 0;
1365 adapter->rx_queue.comp_ring.intr_idx = 0;
1366 adapter->intr.event_intr_idx = 0;
1367
1368 printk(KERN_INFO "%s: intr type %u, mode %u, %u vectors "
1369 "allocated\n", adapter->netdev->name, adapter->intr.type,
1370 adapter->intr.mask_mode, adapter->intr.num_intrs);
1371 }
1372
1373 return err;
1374}
1375
1376
1377static void
1378vmxnet3_free_irqs(struct vmxnet3_adapter *adapter)
1379{
1380 BUG_ON(adapter->intr.type == VMXNET3_IT_AUTO ||
1381 adapter->intr.num_intrs <= 0);
1382
1383 switch (adapter->intr.type) {
1384#ifdef CONFIG_PCI_MSI
1385 case VMXNET3_IT_MSIX:
1386 {
1387 int i;
1388
1389 for (i = 0; i < adapter->intr.num_intrs; i++)
1390 free_irq(adapter->intr.msix_entries[i].vector,
1391 adapter->netdev);
1392 break;
1393 }
1394#endif
1395 case VMXNET3_IT_MSI:
1396 free_irq(adapter->pdev->irq, adapter->netdev);
1397 break;
1398 case VMXNET3_IT_INTX:
1399 free_irq(adapter->pdev->irq, adapter->netdev);
1400 break;
1401 default:
1402 BUG_ON(true);
1403 }
1404}
1405
1406
1407static void
1408vmxnet3_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
1409{
1410 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
1411 struct Vmxnet3_DriverShared *shared = adapter->shared;
1412 u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
1413
1414 if (grp) {
1415 /* add vlan rx stripping. */
1416 if (adapter->netdev->features & NETIF_F_HW_VLAN_RX) {
1417 int i;
1418 struct Vmxnet3_DSDevRead *devRead = &shared->devRead;
1419 adapter->vlan_grp = grp;
1420
1421 /* update FEATURES to device */
1422 devRead->misc.uptFeatures |= UPT1_F_RXVLAN;
1423 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1424 VMXNET3_CMD_UPDATE_FEATURE);
1425 /*
1426 * Clear entire vfTable; then enable untagged pkts.
1427 * Note: setting one entry in vfTable to non-zero turns
1428 * on VLAN rx filtering.
1429 */
1430 for (i = 0; i < VMXNET3_VFT_SIZE; i++)
1431 vfTable[i] = 0;
1432
1433 VMXNET3_SET_VFTABLE_ENTRY(vfTable, 0);
1434 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1435 VMXNET3_CMD_UPDATE_VLAN_FILTERS);
1436 } else {
1437 printk(KERN_ERR "%s: vlan_rx_register when device has "
1438 "no NETIF_F_HW_VLAN_RX\n", netdev->name);
1439 }
1440 } else {
1441 /* remove vlan rx stripping. */
1442 struct Vmxnet3_DSDevRead *devRead = &shared->devRead;
1443 adapter->vlan_grp = NULL;
1444
1445 if (devRead->misc.uptFeatures & UPT1_F_RXVLAN) {
1446 int i;
1447
1448 for (i = 0; i < VMXNET3_VFT_SIZE; i++) {
1449 /* clear entire vfTable; this also disables
1450 * VLAN rx filtering
1451 */
1452 vfTable[i] = 0;
1453 }
1454 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1455 VMXNET3_CMD_UPDATE_VLAN_FILTERS);
1456
1457 /* update FEATURES to device */
1458 devRead->misc.uptFeatures &= ~UPT1_F_RXVLAN;
1459 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1460 VMXNET3_CMD_UPDATE_FEATURE);
1461 }
1462 }
1463}
1464
1465
1466static void
1467vmxnet3_restore_vlan(struct vmxnet3_adapter *adapter)
1468{
1469 if (adapter->vlan_grp) {
1470 u16 vid;
1471 u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
1472 bool activeVlan = false;
1473
1474 for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
1475 if (vlan_group_get_device(adapter->vlan_grp, vid)) {
1476 VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid);
1477 activeVlan = true;
1478 }
1479 }
1480 if (activeVlan) {
1481 /* continue to allow untagged pkts */
1482 VMXNET3_SET_VFTABLE_ENTRY(vfTable, 0);
1483 }
1484 }
1485}
1486
1487
1488static void
1489vmxnet3_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
1490{
1491 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
1492 u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
1493
1494 VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid);
1495 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1496 VMXNET3_CMD_UPDATE_VLAN_FILTERS);
1497}
1498
1499
1500static void
1501vmxnet3_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
1502{
1503 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
1504 u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
1505
1506 VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid);
1507 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1508 VMXNET3_CMD_UPDATE_VLAN_FILTERS);
1509}
1510
1511
1512static u8 *
1513vmxnet3_copy_mc(struct net_device *netdev)
1514{
1515 u8 *buf = NULL;
1516 u32 sz = netdev->mc_count * ETH_ALEN;
1517
1518 /* struct Vmxnet3_RxFilterConf.mfTableLen is u16. */
1519 if (sz <= 0xffff) {
1520 /* We may be called with BH disabled */
1521 buf = kmalloc(sz, GFP_ATOMIC);
1522 if (buf) {
1523 int i;
1524 struct dev_mc_list *mc = netdev->mc_list;
1525
1526 for (i = 0; i < netdev->mc_count; i++) {
1527 BUG_ON(!mc);
1528 memcpy(buf + i * ETH_ALEN, mc->dmi_addr,
1529 ETH_ALEN);
1530 mc = mc->next;
1531 }
1532 }
1533 }
1534 return buf;
1535}
1536
1537
1538static void
1539vmxnet3_set_mc(struct net_device *netdev)
1540{
1541 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
1542 struct Vmxnet3_RxFilterConf *rxConf =
1543 &adapter->shared->devRead.rxFilterConf;
1544 u8 *new_table = NULL;
1545 u32 new_mode = VMXNET3_RXM_UCAST;
1546
1547 if (netdev->flags & IFF_PROMISC)
1548 new_mode |= VMXNET3_RXM_PROMISC;
1549
1550 if (netdev->flags & IFF_BROADCAST)
1551 new_mode |= VMXNET3_RXM_BCAST;
1552
1553 if (netdev->flags & IFF_ALLMULTI)
1554 new_mode |= VMXNET3_RXM_ALL_MULTI;
1555 else
1556 if (netdev->mc_count > 0) {
1557 new_table = vmxnet3_copy_mc(netdev);
1558 if (new_table) {
1559 new_mode |= VMXNET3_RXM_MCAST;
1560 rxConf->mfTableLen = netdev->mc_count *
1561 ETH_ALEN;
1562 rxConf->mfTablePA = virt_to_phys(new_table);
1563 } else {
1564 printk(KERN_INFO "%s: failed to copy mcast list"
1565 ", setting ALL_MULTI\n", netdev->name);
1566 new_mode |= VMXNET3_RXM_ALL_MULTI;
1567 }
1568 }
1569
1570
1571 if (!(new_mode & VMXNET3_RXM_MCAST)) {
1572 rxConf->mfTableLen = 0;
1573 rxConf->mfTablePA = 0;
1574 }
1575
1576 if (new_mode != rxConf->rxMode) {
1577 rxConf->rxMode = new_mode;
1578 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1579 VMXNET3_CMD_UPDATE_RX_MODE);
1580 }
1581
1582 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1583 VMXNET3_CMD_UPDATE_MAC_FILTERS);
1584
1585 kfree(new_table);
1586}
1587
1588
1589/*
1590 * Set up driver_shared based on settings in adapter.
1591 */
1592
1593static void
1594vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
1595{
1596 struct Vmxnet3_DriverShared *shared = adapter->shared;
1597 struct Vmxnet3_DSDevRead *devRead = &shared->devRead;
1598 struct Vmxnet3_TxQueueConf *tqc;
1599 struct Vmxnet3_RxQueueConf *rqc;
1600 int i;
1601
1602 memset(shared, 0, sizeof(*shared));
1603
1604 /* driver settings */
1605 shared->magic = VMXNET3_REV1_MAGIC;
1606 devRead->misc.driverInfo.version = VMXNET3_DRIVER_VERSION_NUM;
1607 devRead->misc.driverInfo.gos.gosBits = (sizeof(void *) == 4 ?
1608 VMXNET3_GOS_BITS_32 : VMXNET3_GOS_BITS_64);
1609 devRead->misc.driverInfo.gos.gosType = VMXNET3_GOS_TYPE_LINUX;
1610 devRead->misc.driverInfo.vmxnet3RevSpt = 1;
1611 devRead->misc.driverInfo.uptVerSpt = 1;
1612
1613 devRead->misc.ddPA = virt_to_phys(adapter);
1614 devRead->misc.ddLen = sizeof(struct vmxnet3_adapter);
1615
1616 /* set up feature flags */
1617 if (adapter->rxcsum)
1618 devRead->misc.uptFeatures |= UPT1_F_RXCSUM;
1619
1620 if (adapter->lro) {
1621 devRead->misc.uptFeatures |= UPT1_F_LRO;
1622 devRead->misc.maxNumRxSG = 1 + MAX_SKB_FRAGS;
1623 }
1624 if ((adapter->netdev->features & NETIF_F_HW_VLAN_RX)
1625 && adapter->vlan_grp) {
1626 devRead->misc.uptFeatures |= UPT1_F_RXVLAN;
1627 }
1628
1629 devRead->misc.mtu = adapter->netdev->mtu;
1630 devRead->misc.queueDescPA = adapter->queue_desc_pa;
1631 devRead->misc.queueDescLen = sizeof(struct Vmxnet3_TxQueueDesc) +
1632 sizeof(struct Vmxnet3_RxQueueDesc);
1633
1634 /* tx queue settings */
1635 BUG_ON(adapter->tx_queue.tx_ring.base == NULL);
1636
1637 devRead->misc.numTxQueues = 1;
1638 tqc = &adapter->tqd_start->conf;
1639 tqc->txRingBasePA = adapter->tx_queue.tx_ring.basePA;
1640 tqc->dataRingBasePA = adapter->tx_queue.data_ring.basePA;
1641 tqc->compRingBasePA = adapter->tx_queue.comp_ring.basePA;
1642 tqc->ddPA = virt_to_phys(adapter->tx_queue.buf_info);
1643 tqc->txRingSize = adapter->tx_queue.tx_ring.size;
1644 tqc->dataRingSize = adapter->tx_queue.data_ring.size;
1645 tqc->compRingSize = adapter->tx_queue.comp_ring.size;
1646 tqc->ddLen = sizeof(struct vmxnet3_tx_buf_info) *
1647 tqc->txRingSize;
1648 tqc->intrIdx = adapter->tx_queue.comp_ring.intr_idx;
1649
1650 /* rx queue settings */
1651 devRead->misc.numRxQueues = 1;
1652 rqc = &adapter->rqd_start->conf;
1653 rqc->rxRingBasePA[0] = adapter->rx_queue.rx_ring[0].basePA;
1654 rqc->rxRingBasePA[1] = adapter->rx_queue.rx_ring[1].basePA;
1655 rqc->compRingBasePA = adapter->rx_queue.comp_ring.basePA;
1656 rqc->ddPA = virt_to_phys(adapter->rx_queue.buf_info);
1657 rqc->rxRingSize[0] = adapter->rx_queue.rx_ring[0].size;
1658 rqc->rxRingSize[1] = adapter->rx_queue.rx_ring[1].size;
1659 rqc->compRingSize = adapter->rx_queue.comp_ring.size;
1660 rqc->ddLen = sizeof(struct vmxnet3_rx_buf_info) *
1661 (rqc->rxRingSize[0] + rqc->rxRingSize[1]);
1662 rqc->intrIdx = adapter->rx_queue.comp_ring.intr_idx;
1663
1664 /* intr settings */
1665 devRead->intrConf.autoMask = adapter->intr.mask_mode ==
1666 VMXNET3_IMM_AUTO;
1667 devRead->intrConf.numIntrs = adapter->intr.num_intrs;
1668 for (i = 0; i < adapter->intr.num_intrs; i++)
1669 devRead->intrConf.modLevels[i] = adapter->intr.mod_levels[i];
1670
1671 devRead->intrConf.eventIntrIdx = adapter->intr.event_intr_idx;
1672
1673 /* rx filter settings */
1674 devRead->rxFilterConf.rxMode = 0;
1675 vmxnet3_restore_vlan(adapter);
1676 /* the rest are already zeroed */
1677}
1678
1679
1680int
1681vmxnet3_activate_dev(struct vmxnet3_adapter *adapter)
1682{
1683 int err;
1684 u32 ret;
1685
1686 dprintk(KERN_ERR "%s: skb_buf_size %d, rx_buf_per_pkt %d, ring sizes"
1687 " %u %u %u\n", adapter->netdev->name, adapter->skb_buf_size,
1688 adapter->rx_buf_per_pkt, adapter->tx_queue.tx_ring.size,
1689 adapter->rx_queue.rx_ring[0].size,
1690 adapter->rx_queue.rx_ring[1].size);
1691
1692 vmxnet3_tq_init(&adapter->tx_queue, adapter);
1693 err = vmxnet3_rq_init(&adapter->rx_queue, adapter);
1694 if (err) {
1695 printk(KERN_ERR "Failed to init rx queue for %s: error %d\n",
1696 adapter->netdev->name, err);
1697 goto rq_err;
1698 }
1699
1700 err = vmxnet3_request_irqs(adapter);
1701 if (err) {
1702 printk(KERN_ERR "Failed to setup irq for %s: error %d\n",
1703 adapter->netdev->name, err);
1704 goto irq_err;
1705 }
1706
1707 vmxnet3_setup_driver_shared(adapter);
1708
1709 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAL,
1710 VMXNET3_GET_ADDR_LO(adapter->shared_pa));
1711 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAH,
1712 VMXNET3_GET_ADDR_HI(adapter->shared_pa));
1713
1714 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1715 VMXNET3_CMD_ACTIVATE_DEV);
1716 ret = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
1717
1718 if (ret != 0) {
1719 printk(KERN_ERR "Failed to activate dev %s: error %u\n",
1720 adapter->netdev->name, ret);
1721 err = -EINVAL;
1722 goto activate_err;
1723 }
1724 VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_RXPROD,
1725 adapter->rx_queue.rx_ring[0].next2fill);
1726 VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_RXPROD2,
1727 adapter->rx_queue.rx_ring[1].next2fill);
1728
1729 /* Apply the rx filter settins last. */
1730 vmxnet3_set_mc(adapter->netdev);
1731
1732 /*
1733 * Check link state when first activating device. It will start the
1734 * tx queue if the link is up.
1735 */
1736 vmxnet3_check_link(adapter);
1737
1738 napi_enable(&adapter->napi);
1739 vmxnet3_enable_all_intrs(adapter);
1740 clear_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state);
1741 return 0;
1742
1743activate_err:
1744 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAL, 0);
1745 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAH, 0);
1746 vmxnet3_free_irqs(adapter);
1747irq_err:
1748rq_err:
1749 /* free up buffers we allocated */
1750 vmxnet3_rq_cleanup(&adapter->rx_queue, adapter);
1751 return err;
1752}
1753
1754
1755void
1756vmxnet3_reset_dev(struct vmxnet3_adapter *adapter)
1757{
1758 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_RESET_DEV);
1759}
1760
1761
1762int
1763vmxnet3_quiesce_dev(struct vmxnet3_adapter *adapter)
1764{
1765 if (test_and_set_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state))
1766 return 0;
1767
1768
1769 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
1770 VMXNET3_CMD_QUIESCE_DEV);
1771 vmxnet3_disable_all_intrs(adapter);
1772
1773 napi_disable(&adapter->napi);
1774 netif_tx_disable(adapter->netdev);
1775 adapter->link_speed = 0;
1776 netif_carrier_off(adapter->netdev);
1777
1778 vmxnet3_tq_cleanup(&adapter->tx_queue, adapter);
1779 vmxnet3_rq_cleanup(&adapter->rx_queue, adapter);
1780 vmxnet3_free_irqs(adapter);
1781 return 0;
1782}
1783
1784
1785static void
1786vmxnet3_write_mac_addr(struct vmxnet3_adapter *adapter, u8 *mac)
1787{
1788 u32 tmp;
1789
1790 tmp = *(u32 *)mac;
1791 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_MACL, tmp);
1792
1793 tmp = (mac[5] << 8) | mac[4];
1794 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_MACH, tmp);
1795}
1796
1797
1798static int
1799vmxnet3_set_mac_addr(struct net_device *netdev, void *p)
1800{
1801 struct sockaddr *addr = p;
1802 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
1803
1804 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
1805 vmxnet3_write_mac_addr(adapter, addr->sa_data);
1806
1807 return 0;
1808}
1809
1810
1811/* ==================== initialization and cleanup routines ============ */
1812
1813static int
1814vmxnet3_alloc_pci_resources(struct vmxnet3_adapter *adapter, bool *dma64)
1815{
1816 int err;
1817 unsigned long mmio_start, mmio_len;
1818 struct pci_dev *pdev = adapter->pdev;
1819
1820 err = pci_enable_device(pdev);
1821 if (err) {
1822 printk(KERN_ERR "Failed to enable adapter %s: error %d\n",
1823 pci_name(pdev), err);
1824 return err;
1825 }
1826
1827 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) {
1828 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) {
1829 printk(KERN_ERR "pci_set_consistent_dma_mask failed "
1830 "for adapter %s\n", pci_name(pdev));
1831 err = -EIO;
1832 goto err_set_mask;
1833 }
1834 *dma64 = true;
1835 } else {
1836 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
1837 printk(KERN_ERR "pci_set_dma_mask failed for adapter "
1838 "%s\n", pci_name(pdev));
1839 err = -EIO;
1840 goto err_set_mask;
1841 }
1842 *dma64 = false;
1843 }
1844
1845 err = pci_request_selected_regions(pdev, (1 << 2) - 1,
1846 vmxnet3_driver_name);
1847 if (err) {
1848 printk(KERN_ERR "Failed to request region for adapter %s: "
1849 "error %d\n", pci_name(pdev), err);
1850 goto err_set_mask;
1851 }
1852
1853 pci_set_master(pdev);
1854
1855 mmio_start = pci_resource_start(pdev, 0);
1856 mmio_len = pci_resource_len(pdev, 0);
1857 adapter->hw_addr0 = ioremap(mmio_start, mmio_len);
1858 if (!adapter->hw_addr0) {
1859 printk(KERN_ERR "Failed to map bar0 for adapter %s\n",
1860 pci_name(pdev));
1861 err = -EIO;
1862 goto err_ioremap;
1863 }
1864
1865 mmio_start = pci_resource_start(pdev, 1);
1866 mmio_len = pci_resource_len(pdev, 1);
1867 adapter->hw_addr1 = ioremap(mmio_start, mmio_len);
1868 if (!adapter->hw_addr1) {
1869 printk(KERN_ERR "Failed to map bar1 for adapter %s\n",
1870 pci_name(pdev));
1871 err = -EIO;
1872 goto err_bar1;
1873 }
1874 return 0;
1875
1876err_bar1:
1877 iounmap(adapter->hw_addr0);
1878err_ioremap:
1879 pci_release_selected_regions(pdev, (1 << 2) - 1);
1880err_set_mask:
1881 pci_disable_device(pdev);
1882 return err;
1883}
1884
1885
1886static void
1887vmxnet3_free_pci_resources(struct vmxnet3_adapter *adapter)
1888{
1889 BUG_ON(!adapter->pdev);
1890
1891 iounmap(adapter->hw_addr0);
1892 iounmap(adapter->hw_addr1);
1893 pci_release_selected_regions(adapter->pdev, (1 << 2) - 1);
1894 pci_disable_device(adapter->pdev);
1895}
1896
1897
1898static void
1899vmxnet3_adjust_rx_ring_size(struct vmxnet3_adapter *adapter)
1900{
1901 size_t sz;
1902
1903 if (adapter->netdev->mtu <= VMXNET3_MAX_SKB_BUF_SIZE -
1904 VMXNET3_MAX_ETH_HDR_SIZE) {
1905 adapter->skb_buf_size = adapter->netdev->mtu +
1906 VMXNET3_MAX_ETH_HDR_SIZE;
1907 if (adapter->skb_buf_size < VMXNET3_MIN_T0_BUF_SIZE)
1908 adapter->skb_buf_size = VMXNET3_MIN_T0_BUF_SIZE;
1909
1910 adapter->rx_buf_per_pkt = 1;
1911 } else {
1912 adapter->skb_buf_size = VMXNET3_MAX_SKB_BUF_SIZE;
1913 sz = adapter->netdev->mtu - VMXNET3_MAX_SKB_BUF_SIZE +
1914 VMXNET3_MAX_ETH_HDR_SIZE;
1915 adapter->rx_buf_per_pkt = 1 + (sz + PAGE_SIZE - 1) / PAGE_SIZE;
1916 }
1917
1918 /*
1919 * for simplicity, force the ring0 size to be a multiple of
1920 * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
1921 */
1922 sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
1923 adapter->rx_queue.rx_ring[0].size = (adapter->rx_queue.rx_ring[0].size +
1924 sz - 1) / sz * sz;
1925 adapter->rx_queue.rx_ring[0].size = min_t(u32,
1926 adapter->rx_queue.rx_ring[0].size,
1927 VMXNET3_RX_RING_MAX_SIZE / sz * sz);
1928}
1929
1930
1931int
1932vmxnet3_create_queues(struct vmxnet3_adapter *adapter, u32 tx_ring_size,
1933 u32 rx_ring_size, u32 rx_ring2_size)
1934{
1935 int err;
1936
1937 adapter->tx_queue.tx_ring.size = tx_ring_size;
1938 adapter->tx_queue.data_ring.size = tx_ring_size;
1939 adapter->tx_queue.comp_ring.size = tx_ring_size;
1940 adapter->tx_queue.shared = &adapter->tqd_start->ctrl;
1941 adapter->tx_queue.stopped = true;
1942 err = vmxnet3_tq_create(&adapter->tx_queue, adapter);
1943 if (err)
1944 return err;
1945
1946 adapter->rx_queue.rx_ring[0].size = rx_ring_size;
1947 adapter->rx_queue.rx_ring[1].size = rx_ring2_size;
1948 vmxnet3_adjust_rx_ring_size(adapter);
1949 adapter->rx_queue.comp_ring.size = adapter->rx_queue.rx_ring[0].size +
1950 adapter->rx_queue.rx_ring[1].size;
1951 adapter->rx_queue.qid = 0;
1952 adapter->rx_queue.qid2 = 1;
1953 adapter->rx_queue.shared = &adapter->rqd_start->ctrl;
1954 err = vmxnet3_rq_create(&adapter->rx_queue, adapter);
1955 if (err)
1956 vmxnet3_tq_destroy(&adapter->tx_queue, adapter);
1957
1958 return err;
1959}
1960
1961static int
1962vmxnet3_open(struct net_device *netdev)
1963{
1964 struct vmxnet3_adapter *adapter;
1965 int err;
1966
1967 adapter = netdev_priv(netdev);
1968
1969 spin_lock_init(&adapter->tx_queue.tx_lock);
1970
1971 err = vmxnet3_create_queues(adapter, VMXNET3_DEF_TX_RING_SIZE,
1972 VMXNET3_DEF_RX_RING_SIZE,
1973 VMXNET3_DEF_RX_RING_SIZE);
1974 if (err)
1975 goto queue_err;
1976
1977 err = vmxnet3_activate_dev(adapter);
1978 if (err)
1979 goto activate_err;
1980
1981 return 0;
1982
1983activate_err:
1984 vmxnet3_rq_destroy(&adapter->rx_queue, adapter);
1985 vmxnet3_tq_destroy(&adapter->tx_queue, adapter);
1986queue_err:
1987 return err;
1988}
1989
1990
1991static int
1992vmxnet3_close(struct net_device *netdev)
1993{
1994 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
1995
1996 /*
1997 * Reset_work may be in the middle of resetting the device, wait for its
1998 * completion.
1999 */
2000 while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
2001 msleep(1);
2002
2003 vmxnet3_quiesce_dev(adapter);
2004
2005 vmxnet3_rq_destroy(&adapter->rx_queue, adapter);
2006 vmxnet3_tq_destroy(&adapter->tx_queue, adapter);
2007
2008 clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
2009
2010
2011 return 0;
2012}
2013
2014
2015void
2016vmxnet3_force_close(struct vmxnet3_adapter *adapter)
2017{
2018 /*
2019 * we must clear VMXNET3_STATE_BIT_RESETTING, otherwise
2020 * vmxnet3_close() will deadlock.
2021 */
2022 BUG_ON(test_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state));
2023
2024 /* we need to enable NAPI, otherwise dev_close will deadlock */
2025 napi_enable(&adapter->napi);
2026 dev_close(adapter->netdev);
2027}
2028
2029
2030static int
2031vmxnet3_change_mtu(struct net_device *netdev, int new_mtu)
2032{
2033 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
2034 int err = 0;
2035
2036 if (new_mtu < VMXNET3_MIN_MTU || new_mtu > VMXNET3_MAX_MTU)
2037 return -EINVAL;
2038
2039 if (new_mtu > 1500 && !adapter->jumbo_frame)
2040 return -EINVAL;
2041
2042 netdev->mtu = new_mtu;
2043
2044 /*
2045 * Reset_work may be in the middle of resetting the device, wait for its
2046 * completion.
2047 */
2048 while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
2049 msleep(1);
2050
2051 if (netif_running(netdev)) {
2052 vmxnet3_quiesce_dev(adapter);
2053 vmxnet3_reset_dev(adapter);
2054
2055 /* we need to re-create the rx queue based on the new mtu */
2056 vmxnet3_rq_destroy(&adapter->rx_queue, adapter);
2057 vmxnet3_adjust_rx_ring_size(adapter);
2058 adapter->rx_queue.comp_ring.size =
2059 adapter->rx_queue.rx_ring[0].size +
2060 adapter->rx_queue.rx_ring[1].size;
2061 err = vmxnet3_rq_create(&adapter->rx_queue, adapter);
2062 if (err) {
2063 printk(KERN_ERR "%s: failed to re-create rx queue,"
2064 " error %d. Closing it.\n", netdev->name, err);
2065 goto out;
2066 }
2067
2068 err = vmxnet3_activate_dev(adapter);
2069 if (err) {
2070 printk(KERN_ERR "%s: failed to re-activate, error %d. "
2071 "Closing it\n", netdev->name, err);
2072 goto out;
2073 }
2074 }
2075
2076out:
2077 clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
2078 if (err)
2079 vmxnet3_force_close(adapter);
2080
2081 return err;
2082}
2083
2084
2085static void
2086vmxnet3_declare_features(struct vmxnet3_adapter *adapter, bool dma64)
2087{
2088 struct net_device *netdev = adapter->netdev;
2089
2090 netdev->features = NETIF_F_SG |
2091 NETIF_F_HW_CSUM |
2092 NETIF_F_HW_VLAN_TX |
2093 NETIF_F_HW_VLAN_RX |
2094 NETIF_F_HW_VLAN_FILTER |
2095 NETIF_F_TSO |
2096 NETIF_F_TSO6 |
2097 NETIF_F_LRO;
2098
2099 printk(KERN_INFO "features: sg csum vlan jf tso tsoIPv6 lro");
2100
2101 adapter->rxcsum = true;
2102 adapter->jumbo_frame = true;
2103 adapter->lro = true;
2104
2105 if (dma64) {
2106 netdev->features |= NETIF_F_HIGHDMA;
2107 printk(" highDMA");
2108 }
2109
2110 netdev->vlan_features = netdev->features;
2111 printk("\n");
2112}
2113
2114
2115static void
2116vmxnet3_read_mac_addr(struct vmxnet3_adapter *adapter, u8 *mac)
2117{
2118 u32 tmp;
2119
2120 tmp = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACL);
2121 *(u32 *)mac = tmp;
2122
2123 tmp = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACH);
2124 mac[4] = tmp & 0xff;
2125 mac[5] = (tmp >> 8) & 0xff;
2126}
2127
2128
2129static void
2130vmxnet3_alloc_intr_resources(struct vmxnet3_adapter *adapter)
2131{
2132 u32 cfg;
2133
2134 /* intr settings */
2135 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
2136 VMXNET3_CMD_GET_CONF_INTR);
2137 cfg = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
2138 adapter->intr.type = cfg & 0x3;
2139 adapter->intr.mask_mode = (cfg >> 2) & 0x3;
2140
2141 if (adapter->intr.type == VMXNET3_IT_AUTO) {
2142 int err;
2143
2144#ifdef CONFIG_PCI_MSI
2145 adapter->intr.msix_entries[0].entry = 0;
2146 err = pci_enable_msix(adapter->pdev, adapter->intr.msix_entries,
2147 VMXNET3_LINUX_MAX_MSIX_VECT);
2148 if (!err) {
2149 adapter->intr.num_intrs = 1;
2150 adapter->intr.type = VMXNET3_IT_MSIX;
2151 return;
2152 }
2153#endif
2154
2155 err = pci_enable_msi(adapter->pdev);
2156 if (!err) {
2157 adapter->intr.num_intrs = 1;
2158 adapter->intr.type = VMXNET3_IT_MSI;
2159 return;
2160 }
2161 }
2162
2163 adapter->intr.type = VMXNET3_IT_INTX;
2164
2165 /* INT-X related setting */
2166 adapter->intr.num_intrs = 1;
2167}
2168
2169
2170static void
2171vmxnet3_free_intr_resources(struct vmxnet3_adapter *adapter)
2172{
2173 if (adapter->intr.type == VMXNET3_IT_MSIX)
2174 pci_disable_msix(adapter->pdev);
2175 else if (adapter->intr.type == VMXNET3_IT_MSI)
2176 pci_disable_msi(adapter->pdev);
2177 else
2178 BUG_ON(adapter->intr.type != VMXNET3_IT_INTX);
2179}
2180
2181
2182static void
2183vmxnet3_tx_timeout(struct net_device *netdev)
2184{
2185 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
2186 adapter->tx_timeout_count++;
2187
2188 printk(KERN_ERR "%s: tx hang\n", adapter->netdev->name);
2189 schedule_work(&adapter->work);
2190}
2191
2192
2193static void
2194vmxnet3_reset_work(struct work_struct *data)
2195{
2196 struct vmxnet3_adapter *adapter;
2197
2198 adapter = container_of(data, struct vmxnet3_adapter, work);
2199
2200 /* if another thread is resetting the device, no need to proceed */
2201 if (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
2202 return;
2203
2204 /* if the device is closed, we must leave it alone */
2205 if (netif_running(adapter->netdev)) {
2206 printk(KERN_INFO "%s: resetting\n", adapter->netdev->name);
2207 vmxnet3_quiesce_dev(adapter);
2208 vmxnet3_reset_dev(adapter);
2209 vmxnet3_activate_dev(adapter);
2210 } else {
2211 printk(KERN_INFO "%s: already closed\n", adapter->netdev->name);
2212 }
2213
2214 clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
2215}
2216
2217
2218static int __devinit
2219vmxnet3_probe_device(struct pci_dev *pdev,
2220 const struct pci_device_id *id)
2221{
2222 static const struct net_device_ops vmxnet3_netdev_ops = {
2223 .ndo_open = vmxnet3_open,
2224 .ndo_stop = vmxnet3_close,
2225 .ndo_start_xmit = vmxnet3_xmit_frame,
2226 .ndo_set_mac_address = vmxnet3_set_mac_addr,
2227 .ndo_change_mtu = vmxnet3_change_mtu,
2228 .ndo_get_stats = vmxnet3_get_stats,
2229 .ndo_tx_timeout = vmxnet3_tx_timeout,
2230 .ndo_set_multicast_list = vmxnet3_set_mc,
2231 .ndo_vlan_rx_register = vmxnet3_vlan_rx_register,
2232 .ndo_vlan_rx_add_vid = vmxnet3_vlan_rx_add_vid,
2233 .ndo_vlan_rx_kill_vid = vmxnet3_vlan_rx_kill_vid,
2234#ifdef CONFIG_NET_POLL_CONTROLLER
2235 .ndo_poll_controller = vmxnet3_netpoll,
2236#endif
2237 };
2238 int err;
2239 bool dma64 = false; /* stupid gcc */
2240 u32 ver;
2241 struct net_device *netdev;
2242 struct vmxnet3_adapter *adapter;
2243 u8 mac[ETH_ALEN];
2244
2245 netdev = alloc_etherdev(sizeof(struct vmxnet3_adapter));
2246 if (!netdev) {
2247 printk(KERN_ERR "Failed to alloc ethernet device for adapter "
2248 "%s\n", pci_name(pdev));
2249 return -ENOMEM;
2250 }
2251
2252 pci_set_drvdata(pdev, netdev);
2253 adapter = netdev_priv(netdev);
2254 adapter->netdev = netdev;
2255 adapter->pdev = pdev;
2256
2257 adapter->shared = pci_alloc_consistent(adapter->pdev,
2258 sizeof(struct Vmxnet3_DriverShared),
2259 &adapter->shared_pa);
2260 if (!adapter->shared) {
2261 printk(KERN_ERR "Failed to allocate memory for %s\n",
2262 pci_name(pdev));
2263 err = -ENOMEM;
2264 goto err_alloc_shared;
2265 }
2266
2267 adapter->tqd_start = pci_alloc_consistent(adapter->pdev,
2268 sizeof(struct Vmxnet3_TxQueueDesc) +
2269 sizeof(struct Vmxnet3_RxQueueDesc),
2270 &adapter->queue_desc_pa);
2271
2272 if (!adapter->tqd_start) {
2273 printk(KERN_ERR "Failed to allocate memory for %s\n",
2274 pci_name(pdev));
2275 err = -ENOMEM;
2276 goto err_alloc_queue_desc;
2277 }
2278 adapter->rqd_start = (struct Vmxnet3_RxQueueDesc *)(adapter->tqd_start
2279 + 1);
2280
2281 adapter->pm_conf = kmalloc(sizeof(struct Vmxnet3_PMConf), GFP_KERNEL);
2282 if (adapter->pm_conf == NULL) {
2283 printk(KERN_ERR "Failed to allocate memory for %s\n",
2284 pci_name(pdev));
2285 err = -ENOMEM;
2286 goto err_alloc_pm;
2287 }
2288
2289 err = vmxnet3_alloc_pci_resources(adapter, &dma64);
2290 if (err < 0)
2291 goto err_alloc_pci;
2292
2293 ver = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_VRRS);
2294 if (ver & 1) {
2295 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_VRRS, 1);
2296 } else {
2297 printk(KERN_ERR "Incompatible h/w version (0x%x) for adapter"
2298 " %s\n", ver, pci_name(pdev));
2299 err = -EBUSY;
2300 goto err_ver;
2301 }
2302
2303 ver = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_UVRS);
2304 if (ver & 1) {
2305 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_UVRS, 1);
2306 } else {
2307 printk(KERN_ERR "Incompatible upt version (0x%x) for "
2308 "adapter %s\n", ver, pci_name(pdev));
2309 err = -EBUSY;
2310 goto err_ver;
2311 }
2312
2313 vmxnet3_declare_features(adapter, dma64);
2314
2315 adapter->dev_number = atomic_read(&devices_found);
2316 vmxnet3_alloc_intr_resources(adapter);
2317
2318 vmxnet3_read_mac_addr(adapter, mac);
2319 memcpy(netdev->dev_addr, mac, netdev->addr_len);
2320
2321 netdev->netdev_ops = &vmxnet3_netdev_ops;
2322 netdev->watchdog_timeo = 5 * HZ;
2323 vmxnet3_set_ethtool_ops(netdev);
2324
2325 INIT_WORK(&adapter->work, vmxnet3_reset_work);
2326
2327 netif_napi_add(netdev, &adapter->napi, vmxnet3_poll, 64);
2328 SET_NETDEV_DEV(netdev, &pdev->dev);
2329 err = register_netdev(netdev);
2330
2331 if (err) {
2332 printk(KERN_ERR "Failed to register adapter %s\n",
2333 pci_name(pdev));
2334 goto err_register;
2335 }
2336
2337 set_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state);
2338 atomic_inc(&devices_found);
2339 return 0;
2340
2341err_register:
2342 vmxnet3_free_intr_resources(adapter);
2343err_ver:
2344 vmxnet3_free_pci_resources(adapter);
2345err_alloc_pci:
2346 kfree(adapter->pm_conf);
2347err_alloc_pm:
2348 pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_TxQueueDesc) +
2349 sizeof(struct Vmxnet3_RxQueueDesc),
2350 adapter->tqd_start, adapter->queue_desc_pa);
2351err_alloc_queue_desc:
2352 pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_DriverShared),
2353 adapter->shared, adapter->shared_pa);
2354err_alloc_shared:
2355 pci_set_drvdata(pdev, NULL);
2356 free_netdev(netdev);
2357 return err;
2358}
2359
2360
2361static void __devexit
2362vmxnet3_remove_device(struct pci_dev *pdev)
2363{
2364 struct net_device *netdev = pci_get_drvdata(pdev);
2365 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
2366
2367 flush_scheduled_work();
2368
2369 unregister_netdev(netdev);
2370
2371 vmxnet3_free_intr_resources(adapter);
2372 vmxnet3_free_pci_resources(adapter);
2373 kfree(adapter->pm_conf);
2374 pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_TxQueueDesc) +
2375 sizeof(struct Vmxnet3_RxQueueDesc),
2376 adapter->tqd_start, adapter->queue_desc_pa);
2377 pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_DriverShared),
2378 adapter->shared, adapter->shared_pa);
2379 free_netdev(netdev);
2380}
2381
2382
2383#ifdef CONFIG_PM
2384
2385static int
2386vmxnet3_suspend(struct device *device)
2387{
2388 struct pci_dev *pdev = to_pci_dev(device);
2389 struct net_device *netdev = pci_get_drvdata(pdev);
2390 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
2391 struct Vmxnet3_PMConf *pmConf;
2392 struct ethhdr *ehdr;
2393 struct arphdr *ahdr;
2394 u8 *arpreq;
2395 struct in_device *in_dev;
2396 struct in_ifaddr *ifa;
2397 int i = 0;
2398
2399 if (!netif_running(netdev))
2400 return 0;
2401
2402 vmxnet3_disable_all_intrs(adapter);
2403 vmxnet3_free_irqs(adapter);
2404 vmxnet3_free_intr_resources(adapter);
2405
2406 netif_device_detach(netdev);
2407 netif_stop_queue(netdev);
2408
2409 /* Create wake-up filters. */
2410 pmConf = adapter->pm_conf;
2411 memset(pmConf, 0, sizeof(*pmConf));
2412
2413 if (adapter->wol & WAKE_UCAST) {
2414 pmConf->filters[i].patternSize = ETH_ALEN;
2415 pmConf->filters[i].maskSize = 1;
2416 memcpy(pmConf->filters[i].pattern, netdev->dev_addr, ETH_ALEN);
2417 pmConf->filters[i].mask[0] = 0x3F; /* LSB ETH_ALEN bits */
2418
2419 pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_FILTER;
2420 i++;
2421 }
2422
2423 if (adapter->wol & WAKE_ARP) {
2424 in_dev = in_dev_get(netdev);
2425 if (!in_dev)
2426 goto skip_arp;
2427
2428 ifa = (struct in_ifaddr *)in_dev->ifa_list;
2429 if (!ifa)
2430 goto skip_arp;
2431
2432 pmConf->filters[i].patternSize = ETH_HLEN + /* Ethernet header*/
2433 sizeof(struct arphdr) + /* ARP header */
2434 2 * ETH_ALEN + /* 2 Ethernet addresses*/
2435 2 * sizeof(u32); /*2 IPv4 addresses */
2436 pmConf->filters[i].maskSize =
2437 (pmConf->filters[i].patternSize - 1) / 8 + 1;
2438
2439 /* ETH_P_ARP in Ethernet header. */
2440 ehdr = (struct ethhdr *)pmConf->filters[i].pattern;
2441 ehdr->h_proto = htons(ETH_P_ARP);
2442
2443 /* ARPOP_REQUEST in ARP header. */
2444 ahdr = (struct arphdr *)&pmConf->filters[i].pattern[ETH_HLEN];
2445 ahdr->ar_op = htons(ARPOP_REQUEST);
2446 arpreq = (u8 *)(ahdr + 1);
2447
2448 /* The Unicast IPv4 address in 'tip' field. */
2449 arpreq += 2 * ETH_ALEN + sizeof(u32);
2450 *(u32 *)arpreq = ifa->ifa_address;
2451
2452 /* The mask for the relevant bits. */
2453 pmConf->filters[i].mask[0] = 0x00;
2454 pmConf->filters[i].mask[1] = 0x30; /* ETH_P_ARP */
2455 pmConf->filters[i].mask[2] = 0x30; /* ARPOP_REQUEST */
2456 pmConf->filters[i].mask[3] = 0x00;
2457 pmConf->filters[i].mask[4] = 0xC0; /* IPv4 TIP */
2458 pmConf->filters[i].mask[5] = 0x03; /* IPv4 TIP */
2459 in_dev_put(in_dev);
2460
2461 pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_FILTER;
2462 i++;
2463 }
2464
2465skip_arp:
2466 if (adapter->wol & WAKE_MAGIC)
2467 pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_MAGIC;
2468
2469 pmConf->numFilters = i;
2470
2471 adapter->shared->devRead.pmConfDesc.confVer = 1;
2472 adapter->shared->devRead.pmConfDesc.confLen = sizeof(*pmConf);
2473 adapter->shared->devRead.pmConfDesc.confPA = virt_to_phys(pmConf);
2474
2475 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
2476 VMXNET3_CMD_UPDATE_PMCFG);
2477
2478 pci_save_state(pdev);
2479 pci_enable_wake(pdev, pci_choose_state(pdev, PMSG_SUSPEND),
2480 adapter->wol);
2481 pci_disable_device(pdev);
2482 pci_set_power_state(pdev, pci_choose_state(pdev, PMSG_SUSPEND));
2483
2484 return 0;
2485}
2486
2487
2488static int
2489vmxnet3_resume(struct device *device)
2490{
2491 int err;
2492 struct pci_dev *pdev = to_pci_dev(device);
2493 struct net_device *netdev = pci_get_drvdata(pdev);
2494 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
2495 struct Vmxnet3_PMConf *pmConf;
2496
2497 if (!netif_running(netdev))
2498 return 0;
2499
2500 /* Destroy wake-up filters. */
2501 pmConf = adapter->pm_conf;
2502 memset(pmConf, 0, sizeof(*pmConf));
2503
2504 adapter->shared->devRead.pmConfDesc.confVer = 1;
2505 adapter->shared->devRead.pmConfDesc.confLen = sizeof(*pmConf);
2506 adapter->shared->devRead.pmConfDesc.confPA = virt_to_phys(pmConf);
2507
2508 netif_device_attach(netdev);
2509 pci_set_power_state(pdev, PCI_D0);
2510 pci_restore_state(pdev);
2511 err = pci_enable_device_mem(pdev);
2512 if (err != 0)
2513 return err;
2514
2515 pci_enable_wake(pdev, PCI_D0, 0);
2516
2517 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
2518 VMXNET3_CMD_UPDATE_PMCFG);
2519 vmxnet3_alloc_intr_resources(adapter);
2520 vmxnet3_request_irqs(adapter);
2521 vmxnet3_enable_all_intrs(adapter);
2522
2523 return 0;
2524}
2525
2526static struct dev_pm_ops vmxnet3_pm_ops = {
2527 .suspend = vmxnet3_suspend,
2528 .resume = vmxnet3_resume,
2529};
2530#endif
2531
2532static struct pci_driver vmxnet3_driver = {
2533 .name = vmxnet3_driver_name,
2534 .id_table = vmxnet3_pciid_table,
2535 .probe = vmxnet3_probe_device,
2536 .remove = __devexit_p(vmxnet3_remove_device),
2537#ifdef CONFIG_PM
2538 .driver.pm = &vmxnet3_pm_ops,
2539#endif
2540};
2541
2542
2543static int __init
2544vmxnet3_init_module(void)
2545{
2546 printk(KERN_INFO "%s - version %s\n", VMXNET3_DRIVER_DESC,
2547 VMXNET3_DRIVER_VERSION_REPORT);
2548 return pci_register_driver(&vmxnet3_driver);
2549}
2550
2551module_init(vmxnet3_init_module);
2552
2553
2554static void
2555vmxnet3_exit_module(void)
2556{
2557 pci_unregister_driver(&vmxnet3_driver);
2558}
2559
2560module_exit(vmxnet3_exit_module);
2561
2562MODULE_AUTHOR("VMware, Inc.");
2563MODULE_DESCRIPTION(VMXNET3_DRIVER_DESC);
2564MODULE_LICENSE("GPL v2");
2565MODULE_VERSION(VMXNET3_DRIVER_VERSION_STRING);
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
new file mode 100644
index 000000000000..c2c15e4cafc7
--- /dev/null
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -0,0 +1,566 @@
1/*
2 * Linux driver for VMware's vmxnet3 ethernet NIC.
3 *
4 * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; version 2 of the License and no later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13 * NON INFRINGEMENT. See the GNU General Public License for more
14 * details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * The full GNU General Public License is included in this distribution in
21 * the file called "COPYING".
22 *
23 * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
24 *
25 */
26
27
28#include "vmxnet3_int.h"
29
30struct vmxnet3_stat_desc {
31 char desc[ETH_GSTRING_LEN];
32 int offset;
33};
34
35
36static u32
37vmxnet3_get_rx_csum(struct net_device *netdev)
38{
39 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
40 return adapter->rxcsum;
41}
42
43
44static int
45vmxnet3_set_rx_csum(struct net_device *netdev, u32 val)
46{
47 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
48
49 if (adapter->rxcsum != val) {
50 adapter->rxcsum = val;
51 if (netif_running(netdev)) {
52 if (val)
53 adapter->shared->devRead.misc.uptFeatures |=
54 UPT1_F_RXCSUM;
55 else
56 adapter->shared->devRead.misc.uptFeatures &=
57 ~UPT1_F_RXCSUM;
58
59 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
60 VMXNET3_CMD_UPDATE_FEATURE);
61 }
62 }
63 return 0;
64}
65
66
67/* per tq stats maintained by the device */
68static const struct vmxnet3_stat_desc
69vmxnet3_tq_dev_stats[] = {
70 /* description, offset */
71 { "TSO pkts tx", offsetof(struct UPT1_TxStats, TSOPktsTxOK) },
72 { "TSO bytes tx", offsetof(struct UPT1_TxStats, TSOBytesTxOK) },
73 { "ucast pkts tx", offsetof(struct UPT1_TxStats, ucastPktsTxOK) },
74 { "ucast bytes tx", offsetof(struct UPT1_TxStats, ucastBytesTxOK) },
75 { "mcast pkts tx", offsetof(struct UPT1_TxStats, mcastPktsTxOK) },
76 { "mcast bytes tx", offsetof(struct UPT1_TxStats, mcastBytesTxOK) },
77 { "bcast pkts tx", offsetof(struct UPT1_TxStats, bcastPktsTxOK) },
78 { "bcast bytes tx", offsetof(struct UPT1_TxStats, bcastBytesTxOK) },
79 { "pkts tx err", offsetof(struct UPT1_TxStats, pktsTxError) },
80 { "pkts tx discard", offsetof(struct UPT1_TxStats, pktsTxDiscard) },
81};
82
83/* per tq stats maintained by the driver */
84static const struct vmxnet3_stat_desc
85vmxnet3_tq_driver_stats[] = {
86 /* description, offset */
87 {"drv dropped tx total", offsetof(struct vmxnet3_tq_driver_stats,
88 drop_total) },
89 { " too many frags", offsetof(struct vmxnet3_tq_driver_stats,
90 drop_too_many_frags) },
91 { " giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
92 drop_oversized_hdr) },
93 { " hdr err", offsetof(struct vmxnet3_tq_driver_stats,
94 drop_hdr_inspect_err) },
95 { " tso", offsetof(struct vmxnet3_tq_driver_stats,
96 drop_tso) },
97 { "ring full", offsetof(struct vmxnet3_tq_driver_stats,
98 tx_ring_full) },
99 { "pkts linearized", offsetof(struct vmxnet3_tq_driver_stats,
100 linearized) },
101 { "hdr cloned", offsetof(struct vmxnet3_tq_driver_stats,
102 copy_skb_header) },
103 { "giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
104 oversized_hdr) },
105};
106
107/* per rq stats maintained by the device */
108static const struct vmxnet3_stat_desc
109vmxnet3_rq_dev_stats[] = {
110 { "LRO pkts rx", offsetof(struct UPT1_RxStats, LROPktsRxOK) },
111 { "LRO byte rx", offsetof(struct UPT1_RxStats, LROBytesRxOK) },
112 { "ucast pkts rx", offsetof(struct UPT1_RxStats, ucastPktsRxOK) },
113 { "ucast bytes rx", offsetof(struct UPT1_RxStats, ucastBytesRxOK) },
114 { "mcast pkts rx", offsetof(struct UPT1_RxStats, mcastPktsRxOK) },
115 { "mcast bytes rx", offsetof(struct UPT1_RxStats, mcastBytesRxOK) },
116 { "bcast pkts rx", offsetof(struct UPT1_RxStats, bcastPktsRxOK) },
117 { "bcast bytes rx", offsetof(struct UPT1_RxStats, bcastBytesRxOK) },
118 { "pkts rx out of buf", offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) },
119 { "pkts rx err", offsetof(struct UPT1_RxStats, pktsRxError) },
120};
121
122/* per rq stats maintained by the driver */
123static const struct vmxnet3_stat_desc
124vmxnet3_rq_driver_stats[] = {
125 /* description, offset */
126 { "drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats,
127 drop_total) },
128 { " err", offsetof(struct vmxnet3_rq_driver_stats,
129 drop_err) },
130 { " fcs", offsetof(struct vmxnet3_rq_driver_stats,
131 drop_fcs) },
132 { "rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats,
133 rx_buf_alloc_failure) },
134};
135
136/* gloabl stats maintained by the driver */
137static const struct vmxnet3_stat_desc
138vmxnet3_global_stats[] = {
139 /* description, offset */
140 { "tx timeout count", offsetof(struct vmxnet3_adapter,
141 tx_timeout_count) }
142};
143
144
145struct net_device_stats *
146vmxnet3_get_stats(struct net_device *netdev)
147{
148 struct vmxnet3_adapter *adapter;
149 struct vmxnet3_tq_driver_stats *drvTxStats;
150 struct vmxnet3_rq_driver_stats *drvRxStats;
151 struct UPT1_TxStats *devTxStats;
152 struct UPT1_RxStats *devRxStats;
153 struct net_device_stats *net_stats = &netdev->stats;
154
155 adapter = netdev_priv(netdev);
156
157 /* Collect the dev stats into the shared area */
158 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
159
160 /* Assuming that we have a single queue device */
161 devTxStats = &adapter->tqd_start->stats;
162 devRxStats = &adapter->rqd_start->stats;
163
164 /* Get access to the driver stats per queue */
165 drvTxStats = &adapter->tx_queue.stats;
166 drvRxStats = &adapter->rx_queue.stats;
167
168 memset(net_stats, 0, sizeof(*net_stats));
169
170 net_stats->rx_packets = devRxStats->ucastPktsRxOK +
171 devRxStats->mcastPktsRxOK +
172 devRxStats->bcastPktsRxOK;
173
174 net_stats->tx_packets = devTxStats->ucastPktsTxOK +
175 devTxStats->mcastPktsTxOK +
176 devTxStats->bcastPktsTxOK;
177
178 net_stats->rx_bytes = devRxStats->ucastBytesRxOK +
179 devRxStats->mcastBytesRxOK +
180 devRxStats->bcastBytesRxOK;
181
182 net_stats->tx_bytes = devTxStats->ucastBytesTxOK +
183 devTxStats->mcastBytesTxOK +
184 devTxStats->bcastBytesTxOK;
185
186 net_stats->rx_errors = devRxStats->pktsRxError;
187 net_stats->tx_errors = devTxStats->pktsTxError;
188 net_stats->rx_dropped = drvRxStats->drop_total;
189 net_stats->tx_dropped = drvTxStats->drop_total;
190 net_stats->multicast = devRxStats->mcastPktsRxOK;
191
192 return net_stats;
193}
194
195static int
196vmxnet3_get_sset_count(struct net_device *netdev, int sset)
197{
198 switch (sset) {
199 case ETH_SS_STATS:
200 return ARRAY_SIZE(vmxnet3_tq_dev_stats) +
201 ARRAY_SIZE(vmxnet3_tq_driver_stats) +
202 ARRAY_SIZE(vmxnet3_rq_dev_stats) +
203 ARRAY_SIZE(vmxnet3_rq_driver_stats) +
204 ARRAY_SIZE(vmxnet3_global_stats);
205 default:
206 return -EOPNOTSUPP;
207 }
208}
209
210
211static int
212vmxnet3_get_regs_len(struct net_device *netdev)
213{
214 return 20 * sizeof(u32);
215}
216
217
218static void
219vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
220{
221 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
222
223 strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver));
224 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
225
226 strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
227 sizeof(drvinfo->version));
228 drvinfo->driver[sizeof(drvinfo->version) - 1] = '\0';
229
230 strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
231 drvinfo->fw_version[sizeof(drvinfo->fw_version) - 1] = '\0';
232
233 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
234 ETHTOOL_BUSINFO_LEN);
235 drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS);
236 drvinfo->testinfo_len = 0;
237 drvinfo->eedump_len = 0;
238 drvinfo->regdump_len = vmxnet3_get_regs_len(netdev);
239}
240
241
242static void
243vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
244{
245 if (stringset == ETH_SS_STATS) {
246 int i;
247
248 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) {
249 memcpy(buf, vmxnet3_tq_dev_stats[i].desc,
250 ETH_GSTRING_LEN);
251 buf += ETH_GSTRING_LEN;
252 }
253 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++) {
254 memcpy(buf, vmxnet3_tq_driver_stats[i].desc,
255 ETH_GSTRING_LEN);
256 buf += ETH_GSTRING_LEN;
257 }
258 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) {
259 memcpy(buf, vmxnet3_rq_dev_stats[i].desc,
260 ETH_GSTRING_LEN);
261 buf += ETH_GSTRING_LEN;
262 }
263 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++) {
264 memcpy(buf, vmxnet3_rq_driver_stats[i].desc,
265 ETH_GSTRING_LEN);
266 buf += ETH_GSTRING_LEN;
267 }
268 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) {
269 memcpy(buf, vmxnet3_global_stats[i].desc,
270 ETH_GSTRING_LEN);
271 buf += ETH_GSTRING_LEN;
272 }
273 }
274}
275
276static u32
277vmxnet3_get_flags(struct net_device *netdev) {
278 return netdev->features;
279}
280
281static int
282vmxnet3_set_flags(struct net_device *netdev, u32 data) {
283 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
284 u8 lro_requested = (data & ETH_FLAG_LRO) == 0 ? 0 : 1;
285 u8 lro_present = (netdev->features & NETIF_F_LRO) == 0 ? 0 : 1;
286
287 if (lro_requested ^ lro_present) {
288 /* toggle the LRO feature*/
289 netdev->features ^= NETIF_F_LRO;
290
291 /* update harware LRO capability accordingly */
292 if (lro_requested)
293 adapter->shared->devRead.misc.uptFeatures &= UPT1_F_LRO;
294 else
295 adapter->shared->devRead.misc.uptFeatures &=
296 ~UPT1_F_LRO;
297 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
298 VMXNET3_CMD_UPDATE_FEATURE);
299 }
300 return 0;
301}
302
303static void
304vmxnet3_get_ethtool_stats(struct net_device *netdev,
305 struct ethtool_stats *stats, u64 *buf)
306{
307 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
308 u8 *base;
309 int i;
310
311 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
312
313 /* this does assume each counter is 64-bit wide */
314
315 base = (u8 *)&adapter->tqd_start->stats;
316 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
317 *buf++ = *(u64 *)(base + vmxnet3_tq_dev_stats[i].offset);
318
319 base = (u8 *)&adapter->tx_queue.stats;
320 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
321 *buf++ = *(u64 *)(base + vmxnet3_tq_driver_stats[i].offset);
322
323 base = (u8 *)&adapter->rqd_start->stats;
324 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
325 *buf++ = *(u64 *)(base + vmxnet3_rq_dev_stats[i].offset);
326
327 base = (u8 *)&adapter->rx_queue.stats;
328 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
329 *buf++ = *(u64 *)(base + vmxnet3_rq_driver_stats[i].offset);
330
331 base = (u8 *)adapter;
332 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
333 *buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset);
334}
335
336
337static void
338vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
339{
340 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
341 u32 *buf = p;
342
343 memset(p, 0, vmxnet3_get_regs_len(netdev));
344
345 regs->version = 1;
346
347 /* Update vmxnet3_get_regs_len if we want to dump more registers */
348
349 /* make each ring use multiple of 16 bytes */
350 buf[0] = adapter->tx_queue.tx_ring.next2fill;
351 buf[1] = adapter->tx_queue.tx_ring.next2comp;
352 buf[2] = adapter->tx_queue.tx_ring.gen;
353 buf[3] = 0;
354
355 buf[4] = adapter->tx_queue.comp_ring.next2proc;
356 buf[5] = adapter->tx_queue.comp_ring.gen;
357 buf[6] = adapter->tx_queue.stopped;
358 buf[7] = 0;
359
360 buf[8] = adapter->rx_queue.rx_ring[0].next2fill;
361 buf[9] = adapter->rx_queue.rx_ring[0].next2comp;
362 buf[10] = adapter->rx_queue.rx_ring[0].gen;
363 buf[11] = 0;
364
365 buf[12] = adapter->rx_queue.rx_ring[1].next2fill;
366 buf[13] = adapter->rx_queue.rx_ring[1].next2comp;
367 buf[14] = adapter->rx_queue.rx_ring[1].gen;
368 buf[15] = 0;
369
370 buf[16] = adapter->rx_queue.comp_ring.next2proc;
371 buf[17] = adapter->rx_queue.comp_ring.gen;
372 buf[18] = 0;
373 buf[19] = 0;
374}
375
376
377static void
378vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
379{
380 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
381
382 wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
383 wol->wolopts = adapter->wol;
384}
385
386
387static int
388vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
389{
390 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
391
392 if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
393 WAKE_MAGICSECURE)) {
394 return -EOPNOTSUPP;
395 }
396
397 adapter->wol = wol->wolopts;
398
399 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
400
401 return 0;
402}
403
404
405static int
406vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
407{
408 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
409
410 ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full |
411 SUPPORTED_TP;
412 ecmd->advertising = ADVERTISED_TP;
413 ecmd->port = PORT_TP;
414 ecmd->transceiver = XCVR_INTERNAL;
415
416 if (adapter->link_speed) {
417 ecmd->speed = adapter->link_speed;
418 ecmd->duplex = DUPLEX_FULL;
419 } else {
420 ecmd->speed = -1;
421 ecmd->duplex = -1;
422 }
423 return 0;
424}
425
426
427static void
428vmxnet3_get_ringparam(struct net_device *netdev,
429 struct ethtool_ringparam *param)
430{
431 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
432
433 param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
434 param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
435 param->rx_mini_max_pending = 0;
436 param->rx_jumbo_max_pending = 0;
437
438 param->rx_pending = adapter->rx_queue.rx_ring[0].size;
439 param->tx_pending = adapter->tx_queue.tx_ring.size;
440 param->rx_mini_pending = 0;
441 param->rx_jumbo_pending = 0;
442}
443
444
445static int
446vmxnet3_set_ringparam(struct net_device *netdev,
447 struct ethtool_ringparam *param)
448{
449 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
450 u32 new_tx_ring_size, new_rx_ring_size;
451 u32 sz;
452 int err = 0;
453
454 if (param->tx_pending == 0 || param->tx_pending >
455 VMXNET3_TX_RING_MAX_SIZE)
456 return -EINVAL;
457
458 if (param->rx_pending == 0 || param->rx_pending >
459 VMXNET3_RX_RING_MAX_SIZE)
460 return -EINVAL;
461
462
463 /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
464 new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
465 ~VMXNET3_RING_SIZE_MASK;
466 new_tx_ring_size = min_t(u32, new_tx_ring_size,
467 VMXNET3_TX_RING_MAX_SIZE);
468 if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
469 VMXNET3_RING_SIZE_ALIGN) != 0)
470 return -EINVAL;
471
472 /* ring0 has to be a multiple of
473 * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
474 */
475 sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
476 new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
477 new_rx_ring_size = min_t(u32, new_rx_ring_size,
478 VMXNET3_RX_RING_MAX_SIZE / sz * sz);
479 if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
480 sz) != 0)
481 return -EINVAL;
482
483 if (new_tx_ring_size == adapter->tx_queue.tx_ring.size &&
484 new_rx_ring_size == adapter->rx_queue.rx_ring[0].size) {
485 return 0;
486 }
487
488 /*
489 * Reset_work may be in the middle of resetting the device, wait for its
490 * completion.
491 */
492 while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
493 msleep(1);
494
495 if (netif_running(netdev)) {
496 vmxnet3_quiesce_dev(adapter);
497 vmxnet3_reset_dev(adapter);
498
499 /* recreate the rx queue and the tx queue based on the
500 * new sizes */
501 vmxnet3_tq_destroy(&adapter->tx_queue, adapter);
502 vmxnet3_rq_destroy(&adapter->rx_queue, adapter);
503
504 err = vmxnet3_create_queues(adapter, new_tx_ring_size,
505 new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE);
506 if (err) {
507 /* failed, most likely because of OOM, try default
508 * size */
509 printk(KERN_ERR "%s: failed to apply new sizes, try the"
510 " default ones\n", netdev->name);
511 err = vmxnet3_create_queues(adapter,
512 VMXNET3_DEF_TX_RING_SIZE,
513 VMXNET3_DEF_RX_RING_SIZE,
514 VMXNET3_DEF_RX_RING_SIZE);
515 if (err) {
516 printk(KERN_ERR "%s: failed to create queues "
517 "with default sizes. Closing it\n",
518 netdev->name);
519 goto out;
520 }
521 }
522
523 err = vmxnet3_activate_dev(adapter);
524 if (err)
525 printk(KERN_ERR "%s: failed to re-activate, error %d."
526 " Closing it\n", netdev->name, err);
527 }
528
529out:
530 clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
531 if (err)
532 vmxnet3_force_close(adapter);
533
534 return err;
535}
536
537
538static struct ethtool_ops vmxnet3_ethtool_ops = {
539 .get_settings = vmxnet3_get_settings,
540 .get_drvinfo = vmxnet3_get_drvinfo,
541 .get_regs_len = vmxnet3_get_regs_len,
542 .get_regs = vmxnet3_get_regs,
543 .get_wol = vmxnet3_get_wol,
544 .set_wol = vmxnet3_set_wol,
545 .get_link = ethtool_op_get_link,
546 .get_rx_csum = vmxnet3_get_rx_csum,
547 .set_rx_csum = vmxnet3_set_rx_csum,
548 .get_tx_csum = ethtool_op_get_tx_csum,
549 .set_tx_csum = ethtool_op_set_tx_hw_csum,
550 .get_sg = ethtool_op_get_sg,
551 .set_sg = ethtool_op_set_sg,
552 .get_tso = ethtool_op_get_tso,
553 .set_tso = ethtool_op_set_tso,
554 .get_strings = vmxnet3_get_strings,
555 .get_flags = vmxnet3_get_flags,
556 .set_flags = vmxnet3_set_flags,
557 .get_sset_count = vmxnet3_get_sset_count,
558 .get_ethtool_stats = vmxnet3_get_ethtool_stats,
559 .get_ringparam = vmxnet3_get_ringparam,
560 .set_ringparam = vmxnet3_set_ringparam,
561};
562
563void vmxnet3_set_ethtool_ops(struct net_device *netdev)
564{
565 SET_ETHTOOL_OPS(netdev, &vmxnet3_ethtool_ops);
566}
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
new file mode 100644
index 000000000000..6bb91576e999
--- /dev/null
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -0,0 +1,389 @@
1/*
2 * Linux driver for VMware's vmxnet3 ethernet NIC.
3 *
4 * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; version 2 of the License and no later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13 * NON INFRINGEMENT. See the GNU General Public License for more
14 * details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * The full GNU General Public License is included in this distribution in
21 * the file called "COPYING".
22 *
23 * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
24 *
25 */
26
27#ifndef _VMXNET3_INT_H
28#define _VMXNET3_INT_H
29
30#include <linux/types.h>
31#include <linux/ethtool.h>
32#include <linux/delay.h>
33#include <linux/netdevice.h>
34#include <linux/pci.h>
35#include <linux/ethtool.h>
36#include <linux/compiler.h>
37#include <linux/module.h>
38#include <linux/moduleparam.h>
39#include <linux/slab.h>
40#include <linux/spinlock.h>
41#include <linux/ioport.h>
42#include <linux/highmem.h>
43#include <linux/init.h>
44#include <linux/timer.h>
45#include <linux/skbuff.h>
46#include <linux/interrupt.h>
47#include <linux/workqueue.h>
48#include <linux/uaccess.h>
49#include <asm/dma.h>
50#include <asm/page.h>
51
52#include <linux/tcp.h>
53#include <linux/udp.h>
54#include <linux/ip.h>
55#include <linux/ipv6.h>
56#include <linux/in.h>
57#include <linux/etherdevice.h>
58#include <asm/checksum.h>
59#include <linux/if_vlan.h>
60#include <linux/if_arp.h>
61#include <linux/inetdevice.h>
62#include <linux/dst.h>
63
64#include "vmxnet3_defs.h"
65
66#ifdef DEBUG
67# define VMXNET3_DRIVER_VERSION_REPORT VMXNET3_DRIVER_VERSION_STRING"-NAPI(debug)"
68#else
69# define VMXNET3_DRIVER_VERSION_REPORT VMXNET3_DRIVER_VERSION_STRING"-NAPI"
70#endif
71
72
73/*
74 * Version numbers
75 */
76#define VMXNET3_DRIVER_VERSION_STRING "1.0.5.0-k"
77
78/* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
79#define VMXNET3_DRIVER_VERSION_NUM 0x01000500
80
81
82/*
83 * Capabilities
84 */
85
86enum {
87 VMNET_CAP_SG = 0x0001, /* Can do scatter-gather transmits. */
88 VMNET_CAP_IP4_CSUM = 0x0002, /* Can checksum only TCP/UDP over
89 * IPv4 */
90 VMNET_CAP_HW_CSUM = 0x0004, /* Can checksum all packets. */
91 VMNET_CAP_HIGH_DMA = 0x0008, /* Can DMA to high memory. */
92 VMNET_CAP_TOE = 0x0010, /* Supports TCP/IP offload. */
93 VMNET_CAP_TSO = 0x0020, /* Supports TCP Segmentation
94 * offload */
95 VMNET_CAP_SW_TSO = 0x0040, /* Supports SW TCP Segmentation */
96 VMNET_CAP_VMXNET_APROM = 0x0080, /* Vmxnet APROM support */
97 VMNET_CAP_HW_TX_VLAN = 0x0100, /* Can we do VLAN tagging in HW */
98 VMNET_CAP_HW_RX_VLAN = 0x0200, /* Can we do VLAN untagging in HW */
99 VMNET_CAP_SW_VLAN = 0x0400, /* VLAN tagging/untagging in SW */
100 VMNET_CAP_WAKE_PCKT_RCV = 0x0800, /* Can wake on network packet recv? */
101 VMNET_CAP_ENABLE_INT_INLINE = 0x1000, /* Enable Interrupt Inline */
102 VMNET_CAP_ENABLE_HEADER_COPY = 0x2000, /* copy header for vmkernel */
103 VMNET_CAP_TX_CHAIN = 0x4000, /* Guest can use multiple tx entries
104 * for a pkt */
105 VMNET_CAP_RX_CHAIN = 0x8000, /* pkt can span multiple rx entries */
106 VMNET_CAP_LPD = 0x10000, /* large pkt delivery */
107 VMNET_CAP_BPF = 0x20000, /* BPF Support in VMXNET Virtual HW*/
108 VMNET_CAP_SG_SPAN_PAGES = 0x40000, /* Scatter-gather can span multiple*/
109 /* pages transmits */
110 VMNET_CAP_IP6_CSUM = 0x80000, /* Can do IPv6 csum offload. */
111 VMNET_CAP_TSO6 = 0x100000, /* TSO seg. offload for IPv6 pkts. */
112 VMNET_CAP_TSO256k = 0x200000, /* Can do TSO seg offload for */
113 /* pkts up to 256kB. */
114 VMNET_CAP_UPT = 0x400000 /* Support UPT */
115};
116
117/*
118 * PCI vendor and device IDs.
119 */
120#define PCI_VENDOR_ID_VMWARE 0x15AD
121#define PCI_DEVICE_ID_VMWARE_VMXNET3 0x07B0
122#define MAX_ETHERNET_CARDS 10
123#define MAX_PCI_PASSTHRU_DEVICE 6
124
125struct vmxnet3_cmd_ring {
126 union Vmxnet3_GenericDesc *base;
127 u32 size;
128 u32 next2fill;
129 u32 next2comp;
130 u8 gen;
131 dma_addr_t basePA;
132};
133
134static inline void
135vmxnet3_cmd_ring_adv_next2fill(struct vmxnet3_cmd_ring *ring)
136{
137 ring->next2fill++;
138 if (unlikely(ring->next2fill == ring->size)) {
139 ring->next2fill = 0;
140 VMXNET3_FLIP_RING_GEN(ring->gen);
141 }
142}
143
144static inline void
145vmxnet3_cmd_ring_adv_next2comp(struct vmxnet3_cmd_ring *ring)
146{
147 VMXNET3_INC_RING_IDX_ONLY(ring->next2comp, ring->size);
148}
149
150static inline int
151vmxnet3_cmd_ring_desc_avail(struct vmxnet3_cmd_ring *ring)
152{
153 return (ring->next2comp > ring->next2fill ? 0 : ring->size) +
154 ring->next2comp - ring->next2fill - 1;
155}
156
157struct vmxnet3_comp_ring {
158 union Vmxnet3_GenericDesc *base;
159 u32 size;
160 u32 next2proc;
161 u8 gen;
162 u8 intr_idx;
163 dma_addr_t basePA;
164};
165
166static inline void
167vmxnet3_comp_ring_adv_next2proc(struct vmxnet3_comp_ring *ring)
168{
169 ring->next2proc++;
170 if (unlikely(ring->next2proc == ring->size)) {
171 ring->next2proc = 0;
172 VMXNET3_FLIP_RING_GEN(ring->gen);
173 }
174}
175
176struct vmxnet3_tx_data_ring {
177 struct Vmxnet3_TxDataDesc *base;
178 u32 size;
179 dma_addr_t basePA;
180};
181
182enum vmxnet3_buf_map_type {
183 VMXNET3_MAP_INVALID = 0,
184 VMXNET3_MAP_NONE,
185 VMXNET3_MAP_SINGLE,
186 VMXNET3_MAP_PAGE,
187};
188
189struct vmxnet3_tx_buf_info {
190 u32 map_type;
191 u16 len;
192 u16 sop_idx;
193 dma_addr_t dma_addr;
194 struct sk_buff *skb;
195};
196
197struct vmxnet3_tq_driver_stats {
198 u64 drop_total; /* # of pkts dropped by the driver, the
199 * counters below track droppings due to
200 * different reasons
201 */
202 u64 drop_too_many_frags;
203 u64 drop_oversized_hdr;
204 u64 drop_hdr_inspect_err;
205 u64 drop_tso;
206
207 u64 tx_ring_full;
208 u64 linearized; /* # of pkts linearized */
209 u64 copy_skb_header; /* # of times we have to copy skb header */
210 u64 oversized_hdr;
211};
212
213struct vmxnet3_tx_ctx {
214 bool ipv4;
215 u16 mss;
216 u32 eth_ip_hdr_size; /* only valid for pkts requesting tso or csum
217 * offloading
218 */
219 u32 l4_hdr_size; /* only valid if mss != 0 */
220 u32 copy_size; /* # of bytes copied into the data ring */
221 union Vmxnet3_GenericDesc *sop_txd;
222 union Vmxnet3_GenericDesc *eop_txd;
223};
224
225struct vmxnet3_tx_queue {
226 spinlock_t tx_lock;
227 struct vmxnet3_cmd_ring tx_ring;
228 struct vmxnet3_tx_buf_info *buf_info;
229 struct vmxnet3_tx_data_ring data_ring;
230 struct vmxnet3_comp_ring comp_ring;
231 struct Vmxnet3_TxQueueCtrl *shared;
232 struct vmxnet3_tq_driver_stats stats;
233 bool stopped;
234 int num_stop; /* # of times the queue is
235 * stopped */
236} __attribute__((__aligned__(SMP_CACHE_BYTES)));
237
238enum vmxnet3_rx_buf_type {
239 VMXNET3_RX_BUF_NONE = 0,
240 VMXNET3_RX_BUF_SKB = 1,
241 VMXNET3_RX_BUF_PAGE = 2
242};
243
244struct vmxnet3_rx_buf_info {
245 enum vmxnet3_rx_buf_type buf_type;
246 u16 len;
247 union {
248 struct sk_buff *skb;
249 struct page *page;
250 };
251 dma_addr_t dma_addr;
252};
253
254struct vmxnet3_rx_ctx {
255 struct sk_buff *skb;
256 u32 sop_idx;
257};
258
259struct vmxnet3_rq_driver_stats {
260 u64 drop_total;
261 u64 drop_err;
262 u64 drop_fcs;
263 u64 rx_buf_alloc_failure;
264};
265
266struct vmxnet3_rx_queue {
267 struct vmxnet3_cmd_ring rx_ring[2];
268 struct vmxnet3_comp_ring comp_ring;
269 struct vmxnet3_rx_ctx rx_ctx;
270 u32 qid; /* rqID in RCD for buffer from 1st ring */
271 u32 qid2; /* rqID in RCD for buffer from 2nd ring */
272 u32 uncommitted[2]; /* # of buffers allocated since last RXPROD
273 * update */
274 struct vmxnet3_rx_buf_info *buf_info[2];
275 struct Vmxnet3_RxQueueCtrl *shared;
276 struct vmxnet3_rq_driver_stats stats;
277} __attribute__((__aligned__(SMP_CACHE_BYTES)));
278
279#define VMXNET3_LINUX_MAX_MSIX_VECT 1
280
281struct vmxnet3_intr {
282 enum vmxnet3_intr_mask_mode mask_mode;
283 enum vmxnet3_intr_type type; /* MSI-X, MSI, or INTx? */
284 u8 num_intrs; /* # of intr vectors */
285 u8 event_intr_idx; /* idx of the intr vector for event */
286 u8 mod_levels[VMXNET3_LINUX_MAX_MSIX_VECT]; /* moderation level */
287#ifdef CONFIG_PCI_MSI
288 struct msix_entry msix_entries[VMXNET3_LINUX_MAX_MSIX_VECT];
289#endif
290};
291
292#define VMXNET3_STATE_BIT_RESETTING 0
293#define VMXNET3_STATE_BIT_QUIESCED 1
294struct vmxnet3_adapter {
295 struct vmxnet3_tx_queue tx_queue;
296 struct vmxnet3_rx_queue rx_queue;
297 struct napi_struct napi;
298 struct vlan_group *vlan_grp;
299
300 struct vmxnet3_intr intr;
301
302 struct Vmxnet3_DriverShared *shared;
303 struct Vmxnet3_PMConf *pm_conf;
304 struct Vmxnet3_TxQueueDesc *tqd_start; /* first tx queue desc */
305 struct Vmxnet3_RxQueueDesc *rqd_start; /* first rx queue desc */
306 struct net_device *netdev;
307 struct pci_dev *pdev;
308
309 u8 *hw_addr0; /* for BAR 0 */
310 u8 *hw_addr1; /* for BAR 1 */
311
312 /* feature control */
313 bool rxcsum;
314 bool lro;
315 bool jumbo_frame;
316
317 /* rx buffer related */
318 unsigned skb_buf_size;
319 int rx_buf_per_pkt; /* only apply to the 1st ring */
320 dma_addr_t shared_pa;
321 dma_addr_t queue_desc_pa;
322
323 /* Wake-on-LAN */
324 u32 wol;
325
326 /* Link speed */
327 u32 link_speed; /* in mbps */
328
329 u64 tx_timeout_count;
330 struct work_struct work;
331
332 unsigned long state; /* VMXNET3_STATE_BIT_xxx */
333
334 int dev_number;
335};
336
337#define VMXNET3_WRITE_BAR0_REG(adapter, reg, val) \
338 writel((val), (adapter)->hw_addr0 + (reg))
339#define VMXNET3_READ_BAR0_REG(adapter, reg) \
340 readl((adapter)->hw_addr0 + (reg))
341
342#define VMXNET3_WRITE_BAR1_REG(adapter, reg, val) \
343 writel((val), (adapter)->hw_addr1 + (reg))
344#define VMXNET3_READ_BAR1_REG(adapter, reg) \
345 readl((adapter)->hw_addr1 + (reg))
346
347#define VMXNET3_WAKE_QUEUE_THRESHOLD(tq) (5)
348#define VMXNET3_RX_ALLOC_THRESHOLD(rq, ring_idx, adapter) \
349 ((rq)->rx_ring[ring_idx].size >> 3)
350
351#define VMXNET3_GET_ADDR_LO(dma) ((u32)(dma))
352#define VMXNET3_GET_ADDR_HI(dma) ((u32)(((u64)(dma)) >> 32))
353
354/* must be a multiple of VMXNET3_RING_SIZE_ALIGN */
355#define VMXNET3_DEF_TX_RING_SIZE 512
356#define VMXNET3_DEF_RX_RING_SIZE 256
357
358#define VMXNET3_MAX_ETH_HDR_SIZE 22
359#define VMXNET3_MAX_SKB_BUF_SIZE (3*1024)
360
361int
362vmxnet3_quiesce_dev(struct vmxnet3_adapter *adapter);
363
364int
365vmxnet3_activate_dev(struct vmxnet3_adapter *adapter);
366
367void
368vmxnet3_force_close(struct vmxnet3_adapter *adapter);
369
370void
371vmxnet3_reset_dev(struct vmxnet3_adapter *adapter);
372
373void
374vmxnet3_tq_destroy(struct vmxnet3_tx_queue *tq,
375 struct vmxnet3_adapter *adapter);
376
377void
378vmxnet3_rq_destroy(struct vmxnet3_rx_queue *rq,
379 struct vmxnet3_adapter *adapter);
380
381int
382vmxnet3_create_queues(struct vmxnet3_adapter *adapter,
383 u32 tx_ring_size, u32 rx_ring_size, u32 rx_ring2_size);
384
385extern void vmxnet3_set_ethtool_ops(struct net_device *netdev);
386extern struct net_device_stats *vmxnet3_get_stats(struct net_device *netdev);
387
388extern char vmxnet3_driver_name[];
389#endif
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index cf5fd17ad707..f1bff98acd1f 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -58,8 +58,7 @@ struct cisco_state {
58 spinlock_t lock; 58 spinlock_t lock;
59 unsigned long last_poll; 59 unsigned long last_poll;
60 int up; 60 int up;
61 int request_sent; 61 u32 txseq; /* TX sequence number, 0 = none */
62 u32 txseq; /* TX sequence number */
63 u32 rxseq; /* RX sequence number */ 62 u32 rxseq; /* RX sequence number */
64}; 63};
65 64
@@ -163,6 +162,7 @@ static int cisco_rx(struct sk_buff *skb)
163 struct cisco_packet *cisco_data; 162 struct cisco_packet *cisco_data;
164 struct in_device *in_dev; 163 struct in_device *in_dev;
165 __be32 addr, mask; 164 __be32 addr, mask;
165 u32 ack;
166 166
167 if (skb->len < sizeof(struct hdlc_header)) 167 if (skb->len < sizeof(struct hdlc_header))
168 goto rx_error; 168 goto rx_error;
@@ -223,8 +223,10 @@ static int cisco_rx(struct sk_buff *skb)
223 case CISCO_KEEPALIVE_REQ: 223 case CISCO_KEEPALIVE_REQ:
224 spin_lock(&st->lock); 224 spin_lock(&st->lock);
225 st->rxseq = ntohl(cisco_data->par1); 225 st->rxseq = ntohl(cisco_data->par1);
226 if (st->request_sent && 226 ack = ntohl(cisco_data->par2);
227 ntohl(cisco_data->par2) == st->txseq) { 227 if (ack && (ack == st->txseq ||
228 /* our current REQ may be in transit */
229 ack == st->txseq - 1)) {
228 st->last_poll = jiffies; 230 st->last_poll = jiffies;
229 if (!st->up) { 231 if (!st->up) {
230 u32 sec, min, hrs, days; 232 u32 sec, min, hrs, days;
@@ -275,7 +277,6 @@ static void cisco_timer(unsigned long arg)
275 277
276 cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, htonl(++st->txseq), 278 cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, htonl(++st->txseq),
277 htonl(st->rxseq)); 279 htonl(st->rxseq));
278 st->request_sent = 1;
279 spin_unlock(&st->lock); 280 spin_unlock(&st->lock);
280 281
281 st->timer.expires = jiffies + st->settings.interval * HZ; 282 st->timer.expires = jiffies + st->settings.interval * HZ;
@@ -293,9 +294,7 @@ static void cisco_start(struct net_device *dev)
293 unsigned long flags; 294 unsigned long flags;
294 295
295 spin_lock_irqsave(&st->lock, flags); 296 spin_lock_irqsave(&st->lock, flags);
296 st->up = 0; 297 st->up = st->txseq = st->rxseq = 0;
297 st->request_sent = 0;
298 st->txseq = st->rxseq = 0;
299 spin_unlock_irqrestore(&st->lock, flags); 298 spin_unlock_irqrestore(&st->lock, flags);
300 299
301 init_timer(&st->timer); 300 init_timer(&st->timer);
@@ -317,8 +316,7 @@ static void cisco_stop(struct net_device *dev)
317 316
318 spin_lock_irqsave(&st->lock, flags); 317 spin_lock_irqsave(&st->lock, flags);
319 netif_dormant_on(dev); 318 netif_dormant_on(dev);
320 st->up = 0; 319 st->up = st->txseq = 0;
321 st->request_sent = 0;
322 spin_unlock_irqrestore(&st->lock, flags); 320 spin_unlock_irqrestore(&st->lock, flags);
323} 321}
324 322
diff --git a/drivers/net/wireless/adm8211.h b/drivers/net/wireless/adm8211.h
index 4f6ab1322189..b07e4d3a6b4d 100644
--- a/drivers/net/wireless/adm8211.h
+++ b/drivers/net/wireless/adm8211.h
@@ -266,7 +266,7 @@ do { \
266#define ADM8211_SYNCTL_CS1 (1 << 28) 266#define ADM8211_SYNCTL_CS1 (1 << 28)
267#define ADM8211_SYNCTL_CAL (1 << 27) 267#define ADM8211_SYNCTL_CAL (1 << 27)
268#define ADM8211_SYNCTL_SELCAL (1 << 26) 268#define ADM8211_SYNCTL_SELCAL (1 << 26)
269#define ADM8211_SYNCTL_RFtype ((1 << 24) || (1 << 23) || (1 << 22)) 269#define ADM8211_SYNCTL_RFtype ((1 << 24) | (1 << 23) | (1 << 22))
270#define ADM8211_SYNCTL_RFMD (1 << 22) 270#define ADM8211_SYNCTL_RFMD (1 << 22)
271#define ADM8211_SYNCTL_GENERAL (0x7 << 22) 271#define ADM8211_SYNCTL_GENERAL (0x7 << 22)
272/* SYNCTL 21:0 Data (Si4126: 18-bit data, 4-bit address) */ 272/* SYNCTL 21:0 Data (Si4126: 18-bit data, 4-bit address) */
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index fa1549a03c71..660716214d49 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -607,82 +607,7 @@ struct b43_qos_params {
607 struct ieee80211_tx_queue_params p; 607 struct ieee80211_tx_queue_params p;
608}; 608};
609 609
610struct b43_wldev; 610struct b43_wl;
611
612/* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
613struct b43_wl {
614 /* Pointer to the active wireless device on this chip */
615 struct b43_wldev *current_dev;
616 /* Pointer to the ieee80211 hardware data structure */
617 struct ieee80211_hw *hw;
618
619 /* Global driver mutex. Every operation must run with this mutex locked. */
620 struct mutex mutex;
621 /* Hard-IRQ spinlock. This lock protects things used in the hard-IRQ
622 * handler, only. This basically is just the IRQ mask register. */
623 spinlock_t hardirq_lock;
624
625 /* The number of queues that were registered with the mac80211 subsystem
626 * initially. This is a backup copy of hw->queues in case hw->queues has
627 * to be dynamically lowered at runtime (Firmware does not support QoS).
628 * hw->queues has to be restored to the original value before unregistering
629 * from the mac80211 subsystem. */
630 u16 mac80211_initially_registered_queues;
631
632 /* We can only have one operating interface (802.11 core)
633 * at a time. General information about this interface follows.
634 */
635
636 struct ieee80211_vif *vif;
637 /* The MAC address of the operating interface. */
638 u8 mac_addr[ETH_ALEN];
639 /* Current BSSID */
640 u8 bssid[ETH_ALEN];
641 /* Interface type. (NL80211_IFTYPE_XXX) */
642 int if_type;
643 /* Is the card operating in AP, STA or IBSS mode? */
644 bool operating;
645 /* filter flags */
646 unsigned int filter_flags;
647 /* Stats about the wireless interface */
648 struct ieee80211_low_level_stats ieee_stats;
649
650#ifdef CONFIG_B43_HWRNG
651 struct hwrng rng;
652 bool rng_initialized;
653 char rng_name[30 + 1];
654#endif /* CONFIG_B43_HWRNG */
655
656 /* List of all wireless devices on this chip */
657 struct list_head devlist;
658 u8 nr_devs;
659
660 bool radiotap_enabled;
661 bool radio_enabled;
662
663 /* The beacon we are currently using (AP or IBSS mode). */
664 struct sk_buff *current_beacon;
665 bool beacon0_uploaded;
666 bool beacon1_uploaded;
667 bool beacon_templates_virgin; /* Never wrote the templates? */
668 struct work_struct beacon_update_trigger;
669
670 /* The current QOS parameters for the 4 queues. */
671 struct b43_qos_params qos_params[4];
672
673 /* Work for adjustment of the transmission power.
674 * This is scheduled when we determine that the actual TX output
675 * power doesn't match what we want. */
676 struct work_struct txpower_adjust_work;
677
678 /* Packet transmit work */
679 struct work_struct tx_work;
680 /* Queue of packets to be transmitted. */
681 struct sk_buff_head tx_queue;
682
683 /* The device LEDs. */
684 struct b43_leds leds;
685};
686 611
687/* The type of the firmware file. */ 612/* The type of the firmware file. */
688enum b43_firmware_file_type { 613enum b43_firmware_file_type {
@@ -824,6 +749,97 @@ struct b43_wldev {
824#endif 749#endif
825}; 750};
826 751
752/*
753 * Include goes here to avoid a dependency problem.
754 * A better fix would be to integrate xmit.h into b43.h.
755 */
756#include "xmit.h"
757
758/* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
759struct b43_wl {
760 /* Pointer to the active wireless device on this chip */
761 struct b43_wldev *current_dev;
762 /* Pointer to the ieee80211 hardware data structure */
763 struct ieee80211_hw *hw;
764
765 /* Global driver mutex. Every operation must run with this mutex locked. */
766 struct mutex mutex;
767 /* Hard-IRQ spinlock. This lock protects things used in the hard-IRQ
768 * handler, only. This basically is just the IRQ mask register. */
769 spinlock_t hardirq_lock;
770
771 /* The number of queues that were registered with the mac80211 subsystem
772 * initially. This is a backup copy of hw->queues in case hw->queues has
773 * to be dynamically lowered at runtime (Firmware does not support QoS).
774 * hw->queues has to be restored to the original value before unregistering
775 * from the mac80211 subsystem. */
776 u16 mac80211_initially_registered_queues;
777
778 /* We can only have one operating interface (802.11 core)
779 * at a time. General information about this interface follows.
780 */
781
782 struct ieee80211_vif *vif;
783 /* The MAC address of the operating interface. */
784 u8 mac_addr[ETH_ALEN];
785 /* Current BSSID */
786 u8 bssid[ETH_ALEN];
787 /* Interface type. (NL80211_IFTYPE_XXX) */
788 int if_type;
789 /* Is the card operating in AP, STA or IBSS mode? */
790 bool operating;
791 /* filter flags */
792 unsigned int filter_flags;
793 /* Stats about the wireless interface */
794 struct ieee80211_low_level_stats ieee_stats;
795
796#ifdef CONFIG_B43_HWRNG
797 struct hwrng rng;
798 bool rng_initialized;
799 char rng_name[30 + 1];
800#endif /* CONFIG_B43_HWRNG */
801
802 /* List of all wireless devices on this chip */
803 struct list_head devlist;
804 u8 nr_devs;
805
806 bool radiotap_enabled;
807 bool radio_enabled;
808
809 /* The beacon we are currently using (AP or IBSS mode). */
810 struct sk_buff *current_beacon;
811 bool beacon0_uploaded;
812 bool beacon1_uploaded;
813 bool beacon_templates_virgin; /* Never wrote the templates? */
814 struct work_struct beacon_update_trigger;
815
816 /* The current QOS parameters for the 4 queues. */
817 struct b43_qos_params qos_params[4];
818
819 /* Work for adjustment of the transmission power.
820 * This is scheduled when we determine that the actual TX output
821 * power doesn't match what we want. */
822 struct work_struct txpower_adjust_work;
823
824 /* Packet transmit work */
825 struct work_struct tx_work;
826 /* Queue of packets to be transmitted. */
827 struct sk_buff_head tx_queue;
828
829 /* The device LEDs. */
830 struct b43_leds leds;
831
832#ifdef CONFIG_B43_PIO
833 /*
834 * RX/TX header/tail buffers used by the frame transmit functions.
835 */
836 struct b43_rxhdr_fw4 rxhdr;
837 struct b43_txhdr txhdr;
838 u8 rx_tail[4];
839 u8 tx_tail[4];
840#endif /* CONFIG_B43_PIO */
841};
842
827static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw) 843static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw)
828{ 844{
829 return hw->priv; 845 return hw->priv;
diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index fbe3d4f62ce2..1e8dba488004 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -348,9 +348,9 @@ void b43_leds_register(struct b43_wldev *dev)
348 } 348 }
349} 349}
350 350
351void b43_leds_unregister(struct b43_wldev *dev) 351void b43_leds_unregister(struct b43_wl *wl)
352{ 352{
353 struct b43_leds *leds = &dev->wl->leds; 353 struct b43_leds *leds = &wl->leds;
354 354
355 b43_unregister_led(&leds->led_tx); 355 b43_unregister_led(&leds->led_tx);
356 b43_unregister_led(&leds->led_rx); 356 b43_unregister_led(&leds->led_rx);
diff --git a/drivers/net/wireless/b43/leds.h b/drivers/net/wireless/b43/leds.h
index 9592e4c5a5f5..4c56187810fc 100644
--- a/drivers/net/wireless/b43/leds.h
+++ b/drivers/net/wireless/b43/leds.h
@@ -60,7 +60,7 @@ enum b43_led_behaviour {
60}; 60};
61 61
62void b43_leds_register(struct b43_wldev *dev); 62void b43_leds_register(struct b43_wldev *dev);
63void b43_leds_unregister(struct b43_wldev *dev); 63void b43_leds_unregister(struct b43_wl *wl);
64void b43_leds_init(struct b43_wldev *dev); 64void b43_leds_init(struct b43_wldev *dev);
65void b43_leds_exit(struct b43_wldev *dev); 65void b43_leds_exit(struct b43_wldev *dev);
66void b43_leds_stop(struct b43_wldev *dev); 66void b43_leds_stop(struct b43_wldev *dev);
@@ -76,7 +76,7 @@ struct b43_leds {
76static inline void b43_leds_register(struct b43_wldev *dev) 76static inline void b43_leds_register(struct b43_wldev *dev)
77{ 77{
78} 78}
79static inline void b43_leds_unregister(struct b43_wldev *dev) 79static inline void b43_leds_unregister(struct b43_wl *wl)
80{ 80{
81} 81}
82static inline void b43_leds_init(struct b43_wldev *dev) 82static inline void b43_leds_init(struct b43_wldev *dev)
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 9b907a36bb8c..df6b26a0c05e 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3874,6 +3874,7 @@ static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev)
3874{ 3874{
3875 struct b43_wl *wl = dev->wl; 3875 struct b43_wl *wl = dev->wl;
3876 struct b43_wldev *orig_dev; 3876 struct b43_wldev *orig_dev;
3877 u32 mask;
3877 3878
3878redo: 3879redo:
3879 if (!dev || b43_status(dev) < B43_STAT_STARTED) 3880 if (!dev || b43_status(dev) < B43_STAT_STARTED)
@@ -3920,7 +3921,8 @@ redo:
3920 goto redo; 3921 goto redo;
3921 return dev; 3922 return dev;
3922 } 3923 }
3923 B43_WARN_ON(b43_read32(dev, B43_MMIO_GEN_IRQ_MASK)); 3924 mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
3925 B43_WARN_ON(mask != 0xFFFFFFFF && mask);
3924 3926
3925 /* Drain the TX queue */ 3927 /* Drain the TX queue */
3926 while (skb_queue_len(&wl->tx_queue)) 3928 while (skb_queue_len(&wl->tx_queue))
@@ -4499,6 +4501,7 @@ static void b43_op_stop(struct ieee80211_hw *hw)
4499 4501
4500 cancel_work_sync(&(wl->beacon_update_trigger)); 4502 cancel_work_sync(&(wl->beacon_update_trigger));
4501 4503
4504 wiphy_rfkill_stop_polling(hw->wiphy);
4502 mutex_lock(&wl->mutex); 4505 mutex_lock(&wl->mutex);
4503 if (b43_status(dev) >= B43_STAT_STARTED) { 4506 if (b43_status(dev) >= B43_STAT_STARTED) {
4504 dev = b43_wireless_core_stop(dev); 4507 dev = b43_wireless_core_stop(dev);
@@ -4997,7 +5000,7 @@ static void b43_remove(struct ssb_device *dev)
4997 5000
4998 if (list_empty(&wl->devlist)) { 5001 if (list_empty(&wl->devlist)) {
4999 b43_rng_exit(wl); 5002 b43_rng_exit(wl);
5000 b43_leds_unregister(wldev); 5003 b43_leds_unregister(wl);
5001 /* Last core on the chip unregistered. 5004 /* Last core on the chip unregistered.
5002 * We can destroy common struct b43_wl. 5005 * We can destroy common struct b43_wl.
5003 */ 5006 */
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 5e87650b07fb..9b9044400218 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -332,6 +332,7 @@ static u16 tx_write_2byte_queue(struct b43_pio_txqueue *q,
332 unsigned int data_len) 332 unsigned int data_len)
333{ 333{
334 struct b43_wldev *dev = q->dev; 334 struct b43_wldev *dev = q->dev;
335 struct b43_wl *wl = dev->wl;
335 const u8 *data = _data; 336 const u8 *data = _data;
336 337
337 ctl |= B43_PIO_TXCTL_WRITELO | B43_PIO_TXCTL_WRITEHI; 338 ctl |= B43_PIO_TXCTL_WRITELO | B43_PIO_TXCTL_WRITEHI;
@@ -341,13 +342,12 @@ static u16 tx_write_2byte_queue(struct b43_pio_txqueue *q,
341 q->mmio_base + B43_PIO_TXDATA, 342 q->mmio_base + B43_PIO_TXDATA,
342 sizeof(u16)); 343 sizeof(u16));
343 if (data_len & 1) { 344 if (data_len & 1) {
344 u8 tail[2] = { 0, };
345
346 /* Write the last byte. */ 345 /* Write the last byte. */
347 ctl &= ~B43_PIO_TXCTL_WRITEHI; 346 ctl &= ~B43_PIO_TXCTL_WRITEHI;
348 b43_piotx_write16(q, B43_PIO_TXCTL, ctl); 347 b43_piotx_write16(q, B43_PIO_TXCTL, ctl);
349 tail[0] = data[data_len - 1]; 348 wl->tx_tail[0] = data[data_len - 1];
350 ssb_block_write(dev->dev, tail, 2, 349 wl->tx_tail[1] = 0;
350 ssb_block_write(dev->dev, wl->tx_tail, 2,
351 q->mmio_base + B43_PIO_TXDATA, 351 q->mmio_base + B43_PIO_TXDATA,
352 sizeof(u16)); 352 sizeof(u16));
353 } 353 }
@@ -382,6 +382,7 @@ static u32 tx_write_4byte_queue(struct b43_pio_txqueue *q,
382 unsigned int data_len) 382 unsigned int data_len)
383{ 383{
384 struct b43_wldev *dev = q->dev; 384 struct b43_wldev *dev = q->dev;
385 struct b43_wl *wl = dev->wl;
385 const u8 *data = _data; 386 const u8 *data = _data;
386 387
387 ctl |= B43_PIO8_TXCTL_0_7 | B43_PIO8_TXCTL_8_15 | 388 ctl |= B43_PIO8_TXCTL_0_7 | B43_PIO8_TXCTL_8_15 |
@@ -392,29 +393,31 @@ static u32 tx_write_4byte_queue(struct b43_pio_txqueue *q,
392 q->mmio_base + B43_PIO8_TXDATA, 393 q->mmio_base + B43_PIO8_TXDATA,
393 sizeof(u32)); 394 sizeof(u32));
394 if (data_len & 3) { 395 if (data_len & 3) {
395 u8 tail[4] = { 0, }; 396 wl->tx_tail[3] = 0;
396
397 /* Write the last few bytes. */ 397 /* Write the last few bytes. */
398 ctl &= ~(B43_PIO8_TXCTL_8_15 | B43_PIO8_TXCTL_16_23 | 398 ctl &= ~(B43_PIO8_TXCTL_8_15 | B43_PIO8_TXCTL_16_23 |
399 B43_PIO8_TXCTL_24_31); 399 B43_PIO8_TXCTL_24_31);
400 switch (data_len & 3) { 400 switch (data_len & 3) {
401 case 3: 401 case 3:
402 ctl |= B43_PIO8_TXCTL_16_23 | B43_PIO8_TXCTL_8_15; 402 ctl |= B43_PIO8_TXCTL_16_23 | B43_PIO8_TXCTL_8_15;
403 tail[0] = data[data_len - 3]; 403 wl->tx_tail[0] = data[data_len - 3];
404 tail[1] = data[data_len - 2]; 404 wl->tx_tail[1] = data[data_len - 2];
405 tail[2] = data[data_len - 1]; 405 wl->tx_tail[2] = data[data_len - 1];
406 break; 406 break;
407 case 2: 407 case 2:
408 ctl |= B43_PIO8_TXCTL_8_15; 408 ctl |= B43_PIO8_TXCTL_8_15;
409 tail[0] = data[data_len - 2]; 409 wl->tx_tail[0] = data[data_len - 2];
410 tail[1] = data[data_len - 1]; 410 wl->tx_tail[1] = data[data_len - 1];
411 wl->tx_tail[2] = 0;
411 break; 412 break;
412 case 1: 413 case 1:
413 tail[0] = data[data_len - 1]; 414 wl->tx_tail[0] = data[data_len - 1];
415 wl->tx_tail[1] = 0;
416 wl->tx_tail[2] = 0;
414 break; 417 break;
415 } 418 }
416 b43_piotx_write32(q, B43_PIO8_TXCTL, ctl); 419 b43_piotx_write32(q, B43_PIO8_TXCTL, ctl);
417 ssb_block_write(dev->dev, tail, 4, 420 ssb_block_write(dev->dev, wl->tx_tail, 4,
418 q->mmio_base + B43_PIO8_TXDATA, 421 q->mmio_base + B43_PIO8_TXDATA,
419 sizeof(u32)); 422 sizeof(u32));
420 } 423 }
@@ -446,8 +449,9 @@ static void pio_tx_frame_4byte_queue(struct b43_pio_txpacket *pack,
446static int pio_tx_frame(struct b43_pio_txqueue *q, 449static int pio_tx_frame(struct b43_pio_txqueue *q,
447 struct sk_buff *skb) 450 struct sk_buff *skb)
448{ 451{
452 struct b43_wldev *dev = q->dev;
453 struct b43_wl *wl = dev->wl;
449 struct b43_pio_txpacket *pack; 454 struct b43_pio_txpacket *pack;
450 struct b43_txhdr txhdr;
451 u16 cookie; 455 u16 cookie;
452 int err; 456 int err;
453 unsigned int hdrlen; 457 unsigned int hdrlen;
@@ -458,8 +462,8 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
458 struct b43_pio_txpacket, list); 462 struct b43_pio_txpacket, list);
459 463
460 cookie = generate_cookie(q, pack); 464 cookie = generate_cookie(q, pack);
461 hdrlen = b43_txhdr_size(q->dev); 465 hdrlen = b43_txhdr_size(dev);
462 err = b43_generate_txhdr(q->dev, (u8 *)&txhdr, skb, 466 err = b43_generate_txhdr(dev, (u8 *)&wl->txhdr, skb,
463 info, cookie); 467 info, cookie);
464 if (err) 468 if (err)
465 return err; 469 return err;
@@ -467,15 +471,15 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
467 if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) { 471 if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
468 /* Tell the firmware about the cookie of the last 472 /* Tell the firmware about the cookie of the last
469 * mcast frame, so it can clear the more-data bit in it. */ 473 * mcast frame, so it can clear the more-data bit in it. */
470 b43_shm_write16(q->dev, B43_SHM_SHARED, 474 b43_shm_write16(dev, B43_SHM_SHARED,
471 B43_SHM_SH_MCASTCOOKIE, cookie); 475 B43_SHM_SH_MCASTCOOKIE, cookie);
472 } 476 }
473 477
474 pack->skb = skb; 478 pack->skb = skb;
475 if (q->rev >= 8) 479 if (q->rev >= 8)
476 pio_tx_frame_4byte_queue(pack, (const u8 *)&txhdr, hdrlen); 480 pio_tx_frame_4byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
477 else 481 else
478 pio_tx_frame_2byte_queue(pack, (const u8 *)&txhdr, hdrlen); 482 pio_tx_frame_2byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
479 483
480 /* Remove it from the list of available packet slots. 484 /* Remove it from the list of available packet slots.
481 * It will be put back when we receive the status report. */ 485 * It will be put back when we receive the status report. */
@@ -615,14 +619,14 @@ void b43_pio_get_tx_stats(struct b43_wldev *dev,
615static bool pio_rx_frame(struct b43_pio_rxqueue *q) 619static bool pio_rx_frame(struct b43_pio_rxqueue *q)
616{ 620{
617 struct b43_wldev *dev = q->dev; 621 struct b43_wldev *dev = q->dev;
618 struct b43_rxhdr_fw4 rxhdr; 622 struct b43_wl *wl = dev->wl;
619 u16 len; 623 u16 len;
620 u32 macstat; 624 u32 macstat;
621 unsigned int i, padding; 625 unsigned int i, padding;
622 struct sk_buff *skb; 626 struct sk_buff *skb;
623 const char *err_msg = NULL; 627 const char *err_msg = NULL;
624 628
625 memset(&rxhdr, 0, sizeof(rxhdr)); 629 memset(&wl->rxhdr, 0, sizeof(wl->rxhdr));
626 630
627 /* Check if we have data and wait for it to get ready. */ 631 /* Check if we have data and wait for it to get ready. */
628 if (q->rev >= 8) { 632 if (q->rev >= 8) {
@@ -660,16 +664,16 @@ data_ready:
660 664
661 /* Get the preamble (RX header) */ 665 /* Get the preamble (RX header) */
662 if (q->rev >= 8) { 666 if (q->rev >= 8) {
663 ssb_block_read(dev->dev, &rxhdr, sizeof(rxhdr), 667 ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
664 q->mmio_base + B43_PIO8_RXDATA, 668 q->mmio_base + B43_PIO8_RXDATA,
665 sizeof(u32)); 669 sizeof(u32));
666 } else { 670 } else {
667 ssb_block_read(dev->dev, &rxhdr, sizeof(rxhdr), 671 ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
668 q->mmio_base + B43_PIO_RXDATA, 672 q->mmio_base + B43_PIO_RXDATA,
669 sizeof(u16)); 673 sizeof(u16));
670 } 674 }
671 /* Sanity checks. */ 675 /* Sanity checks. */
672 len = le16_to_cpu(rxhdr.frame_len); 676 len = le16_to_cpu(wl->rxhdr.frame_len);
673 if (unlikely(len > 0x700)) { 677 if (unlikely(len > 0x700)) {
674 err_msg = "len > 0x700"; 678 err_msg = "len > 0x700";
675 goto rx_error; 679 goto rx_error;
@@ -679,7 +683,7 @@ data_ready:
679 goto rx_error; 683 goto rx_error;
680 } 684 }
681 685
682 macstat = le32_to_cpu(rxhdr.mac_status); 686 macstat = le32_to_cpu(wl->rxhdr.mac_status);
683 if (macstat & B43_RX_MAC_FCSERR) { 687 if (macstat & B43_RX_MAC_FCSERR) {
684 if (!(q->dev->wl->filter_flags & FIF_FCSFAIL)) { 688 if (!(q->dev->wl->filter_flags & FIF_FCSFAIL)) {
685 /* Drop frames with failed FCS. */ 689 /* Drop frames with failed FCS. */
@@ -704,24 +708,22 @@ data_ready:
704 q->mmio_base + B43_PIO8_RXDATA, 708 q->mmio_base + B43_PIO8_RXDATA,
705 sizeof(u32)); 709 sizeof(u32));
706 if (len & 3) { 710 if (len & 3) {
707 u8 tail[4] = { 0, };
708
709 /* Read the last few bytes. */ 711 /* Read the last few bytes. */
710 ssb_block_read(dev->dev, tail, 4, 712 ssb_block_read(dev->dev, wl->rx_tail, 4,
711 q->mmio_base + B43_PIO8_RXDATA, 713 q->mmio_base + B43_PIO8_RXDATA,
712 sizeof(u32)); 714 sizeof(u32));
713 switch (len & 3) { 715 switch (len & 3) {
714 case 3: 716 case 3:
715 skb->data[len + padding - 3] = tail[0]; 717 skb->data[len + padding - 3] = wl->rx_tail[0];
716 skb->data[len + padding - 2] = tail[1]; 718 skb->data[len + padding - 2] = wl->rx_tail[1];
717 skb->data[len + padding - 1] = tail[2]; 719 skb->data[len + padding - 1] = wl->rx_tail[2];
718 break; 720 break;
719 case 2: 721 case 2:
720 skb->data[len + padding - 2] = tail[0]; 722 skb->data[len + padding - 2] = wl->rx_tail[0];
721 skb->data[len + padding - 1] = tail[1]; 723 skb->data[len + padding - 1] = wl->rx_tail[1];
722 break; 724 break;
723 case 1: 725 case 1:
724 skb->data[len + padding - 1] = tail[0]; 726 skb->data[len + padding - 1] = wl->rx_tail[0];
725 break; 727 break;
726 } 728 }
727 } 729 }
@@ -730,17 +732,15 @@ data_ready:
730 q->mmio_base + B43_PIO_RXDATA, 732 q->mmio_base + B43_PIO_RXDATA,
731 sizeof(u16)); 733 sizeof(u16));
732 if (len & 1) { 734 if (len & 1) {
733 u8 tail[2] = { 0, };
734
735 /* Read the last byte. */ 735 /* Read the last byte. */
736 ssb_block_read(dev->dev, tail, 2, 736 ssb_block_read(dev->dev, wl->rx_tail, 2,
737 q->mmio_base + B43_PIO_RXDATA, 737 q->mmio_base + B43_PIO_RXDATA,
738 sizeof(u16)); 738 sizeof(u16));
739 skb->data[len + padding - 1] = tail[0]; 739 skb->data[len + padding - 1] = wl->rx_tail[0];
740 } 740 }
741 } 741 }
742 742
743 b43_rx(q->dev, skb, &rxhdr); 743 b43_rx(q->dev, skb, &wl->rxhdr);
744 744
745 return 1; 745 return 1;
746 746
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index ac9f600995e4..f4e9695ec186 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -27,7 +27,7 @@
27 27
28*/ 28*/
29 29
30#include "xmit.h" 30#include "b43.h"
31#include "phy_common.h" 31#include "phy_common.h"
32#include "dma.h" 32#include "dma.h"
33#include "pio.h" 33#include "pio.h"
@@ -690,7 +690,10 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
690 } 690 }
691 691
692 memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 692 memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
693
694 local_bh_disable();
693 ieee80211_rx(dev->wl->hw, skb); 695 ieee80211_rx(dev->wl->hw, skb);
696 local_bh_enable();
694 697
695#if B43_DEBUG 698#if B43_DEBUG
696 dev->rx_count++; 699 dev->rx_count++;
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index a16bd4147eac..cbb0585083a9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -702,7 +702,7 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
702 u8 sta_id = iwl_find_station(priv, hdr->addr1); 702 u8 sta_id = iwl_find_station(priv, hdr->addr1);
703 703
704 if (sta_id == IWL_INVALID_STATION) { 704 if (sta_id == IWL_INVALID_STATION) {
705 IWL_DEBUG_RATE(priv, "LQ: ADD station %pm\n", 705 IWL_DEBUG_RATE(priv, "LQ: ADD station %pM\n",
706 hdr->addr1); 706 hdr->addr1);
707 sta_id = iwl_add_station(priv, hdr->addr1, false, 707 sta_id = iwl_add_station(priv, hdr->addr1, false,
708 CMD_ASYNC, NULL); 708 CMD_ASYNC, NULL);
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 68136172b823..f059b49dc691 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -611,7 +611,7 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
611 if (rx_status.band == IEEE80211_BAND_5GHZ) 611 if (rx_status.band == IEEE80211_BAND_5GHZ)
612 rx_status.rate_idx -= IWL_FIRST_OFDM_RATE; 612 rx_status.rate_idx -= IWL_FIRST_OFDM_RATE;
613 613
614 rx_status.antenna = le16_to_cpu(rx_hdr->phy_flags & 614 rx_status.antenna = (le16_to_cpu(rx_hdr->phy_flags) &
615 RX_RES_PHY_FLAGS_ANTENNA_MSK) >> 4; 615 RX_RES_PHY_FLAGS_ANTENNA_MSK) >> 4;
616 616
617 /* set the preamble flag if appropriate */ 617 /* set the preamble flag if appropriate */
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index d6bc0e051043..6e6f516ba404 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -318,7 +318,7 @@ static void iwl5000_gain_computation(struct iwl_priv *priv,
318 (s32)average_noise[i])) / 1500; 318 (s32)average_noise[i])) / 1500;
319 /* bound gain by 2 bits value max, 3rd bit is sign */ 319 /* bound gain by 2 bits value max, 3rd bit is sign */
320 data->delta_gain_code[i] = 320 data->delta_gain_code[i] =
321 min(abs(delta_g), CHAIN_NOISE_MAX_DELTA_GAIN_CODE); 321 min(abs(delta_g), (long) CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
322 322
323 if (delta_g < 0) 323 if (delta_g < 0)
324 /* set negative sign */ 324 /* set negative sign */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 313d3e5ee84b..eaafae091f5b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3106,8 +3106,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
3106 out_pci_disable_device: 3106 out_pci_disable_device:
3107 pci_disable_device(pdev); 3107 pci_disable_device(pdev);
3108 out_ieee80211_free_hw: 3108 out_ieee80211_free_hw:
3109 ieee80211_free_hw(priv->hw);
3110 iwl_free_traffic_mem(priv); 3109 iwl_free_traffic_mem(priv);
3110 ieee80211_free_hw(priv->hw);
3111 out: 3111 out:
3112 return err; 3112 return err;
3113} 3113}
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 2c5c88fc38f5..4afaf773aeac 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -1154,7 +1154,7 @@ struct iwl_wep_cmd {
1154#define RX_RES_PHY_FLAGS_MOD_CCK_MSK cpu_to_le16(1 << 1) 1154#define RX_RES_PHY_FLAGS_MOD_CCK_MSK cpu_to_le16(1 << 1)
1155#define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK cpu_to_le16(1 << 2) 1155#define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK cpu_to_le16(1 << 2)
1156#define RX_RES_PHY_FLAGS_NARROW_BAND_MSK cpu_to_le16(1 << 3) 1156#define RX_RES_PHY_FLAGS_NARROW_BAND_MSK cpu_to_le16(1 << 3)
1157#define RX_RES_PHY_FLAGS_ANTENNA_MSK cpu_to_le16(0xf0) 1157#define RX_RES_PHY_FLAGS_ANTENNA_MSK 0xf0
1158#define RX_RES_PHY_FLAGS_ANTENNA_POS 4 1158#define RX_RES_PHY_FLAGS_ANTENNA_POS 4
1159 1159
1160#define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8) 1160#define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8)
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 3d2b93a61e62..e14c9952a935 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -410,7 +410,6 @@ static int iwl_find_otp_image(struct iwl_priv *priv,
410 u16 *validblockaddr) 410 u16 *validblockaddr)
411{ 411{
412 u16 next_link_addr = 0, link_value = 0, valid_addr; 412 u16 next_link_addr = 0, link_value = 0, valid_addr;
413 int ret = 0;
414 int usedblocks = 0; 413 int usedblocks = 0;
415 414
416 /* set addressing mode to absolute to traverse the link list */ 415 /* set addressing mode to absolute to traverse the link list */
@@ -430,29 +429,29 @@ static int iwl_find_otp_image(struct iwl_priv *priv,
430 * check for more block on the link list 429 * check for more block on the link list
431 */ 430 */
432 valid_addr = next_link_addr; 431 valid_addr = next_link_addr;
433 next_link_addr = link_value; 432 next_link_addr = link_value * sizeof(u16);
434 IWL_DEBUG_INFO(priv, "OTP blocks %d addr 0x%x\n", 433 IWL_DEBUG_INFO(priv, "OTP blocks %d addr 0x%x\n",
435 usedblocks, next_link_addr); 434 usedblocks, next_link_addr);
436 if (iwl_read_otp_word(priv, next_link_addr, &link_value)) 435 if (iwl_read_otp_word(priv, next_link_addr, &link_value))
437 return -EINVAL; 436 return -EINVAL;
438 if (!link_value) { 437 if (!link_value) {
439 /* 438 /*
440 * reach the end of link list, 439 * reach the end of link list, return success and
441 * set address point to the starting address 440 * set address point to the starting address
442 * of the image 441 * of the image
443 */ 442 */
444 goto done; 443 *validblockaddr = valid_addr;
444 /* skip first 2 bytes (link list pointer) */
445 *validblockaddr += 2;
446 return 0;
445 } 447 }
446 /* more in the link list, continue */ 448 /* more in the link list, continue */
447 usedblocks++; 449 usedblocks++;
448 } while (usedblocks < priv->cfg->max_ll_items); 450 } while (usedblocks <= priv->cfg->max_ll_items);
449 /* OTP full, use last block */ 451
450 IWL_DEBUG_INFO(priv, "OTP is full, use last block\n"); 452 /* OTP has no valid blocks */
451done: 453 IWL_DEBUG_INFO(priv, "OTP has no valid blocks\n");
452 *validblockaddr = valid_addr; 454 return -EINVAL;
453 /* skip first 2 bytes (link list pointer) */
454 *validblockaddr += 2;
455 return ret;
456} 455}
457 456
458/** 457/**
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 6b68db7b1b81..80b9e45d9b9c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -220,35 +220,35 @@ struct iwl_eeprom_enhanced_txpwr {
220 * Section 10: 2.4 GHz 40MHz channels: 132, 44 (_above_) 220 * Section 10: 2.4 GHz 40MHz channels: 132, 44 (_above_)
221 */ 221 */
222/* 2.4 GHz band: CCK */ 222/* 2.4 GHz band: CCK */
223#define EEPROM_LB_CCK_20_COMMON ((0xAA)\ 223#define EEPROM_LB_CCK_20_COMMON ((0xA8)\
224 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 8 bytes */ 224 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 8 bytes */
225/* 2.4 GHz band: 20MHz-Legacy, 20MHz-HT, 40MHz-HT */ 225/* 2.4 GHz band: 20MHz-Legacy, 20MHz-HT, 40MHz-HT */
226#define EEPROM_LB_OFDM_COMMON ((0xB2)\ 226#define EEPROM_LB_OFDM_COMMON ((0xB0)\
227 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */ 227 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */
228/* 5.2 GHz band: 20MHz-Legacy, 20MHz-HT, 40MHz-HT */ 228/* 5.2 GHz band: 20MHz-Legacy, 20MHz-HT, 40MHz-HT */
229#define EEPROM_HB_OFDM_COMMON ((0xCA)\ 229#define EEPROM_HB_OFDM_COMMON ((0xC8)\
230 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */ 230 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */
231/* 2.4GHz band channels: 231/* 2.4GHz band channels:
232 * 1Legacy, 1HT, 2Legacy, 2HT, 10Legacy, 10HT, 11Legacy, 11HT */ 232 * 1Legacy, 1HT, 2Legacy, 2HT, 10Legacy, 10HT, 11Legacy, 11HT */
233#define EEPROM_LB_OFDM_20_BAND ((0xE2)\ 233#define EEPROM_LB_OFDM_20_BAND ((0xE0)\
234 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 64 bytes */ 234 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 64 bytes */
235/* 2.4 GHz band HT40 channels: (1,+1) (2,+1) (6,+1) (7,+1) (9,+1) */ 235/* 2.4 GHz band HT40 channels: (1,+1) (2,+1) (6,+1) (7,+1) (9,+1) */
236#define EEPROM_LB_OFDM_HT40_BAND ((0x122)\ 236#define EEPROM_LB_OFDM_HT40_BAND ((0x120)\
237 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 40 bytes */ 237 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 40 bytes */
238/* 5.2GHz band channels: 36Legacy, 36HT, 64Legacy, 64HT, 100Legacy, 100HT */ 238/* 5.2GHz band channels: 36Legacy, 36HT, 64Legacy, 64HT, 100Legacy, 100HT */
239#define EEPROM_HB_OFDM_20_BAND ((0x14A)\ 239#define EEPROM_HB_OFDM_20_BAND ((0x148)\
240 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 48 bytes */ 240 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 48 bytes */
241/* 5.2 GHz band HT40 channels: (36,+1) (60,+1) (100,+1) */ 241/* 5.2 GHz band HT40 channels: (36,+1) (60,+1) (100,+1) */
242#define EEPROM_HB_OFDM_HT40_BAND ((0x17A)\ 242#define EEPROM_HB_OFDM_HT40_BAND ((0x178)\
243 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */ 243 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */
244/* 2.4 GHz band, channnel 13: Legacy, HT */ 244/* 2.4 GHz band, channnel 13: Legacy, HT */
245#define EEPROM_LB_OFDM_20_CHANNEL_13 ((0x192)\ 245#define EEPROM_LB_OFDM_20_CHANNEL_13 ((0x190)\
246 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */ 246 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */
247/* 5.2 GHz band, channnel 140: Legacy, HT */ 247/* 5.2 GHz band, channnel 140: Legacy, HT */
248#define EEPROM_HB_OFDM_20_CHANNEL_140 ((0x1A2)\ 248#define EEPROM_HB_OFDM_20_CHANNEL_140 ((0x1A0)\
249 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */ 249 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */
250/* 5.2 GHz band, HT40 channnels (132,+1) (44,+1) */ 250/* 5.2 GHz band, HT40 channnels (132,+1) (44,+1) */
251#define EEPROM_HB_OFDM_HT40_BAND_1 ((0x1B2)\ 251#define EEPROM_HB_OFDM_HT40_BAND_1 ((0x1B0)\
252 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */ 252 | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 16 bytes */
253 253
254 254
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 8e1bb53c0aa3..493626bcd3ec 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -1044,7 +1044,7 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
1044 * as a bitmask. 1044 * as a bitmask.
1045 */ 1045 */
1046 rx_status.antenna = 1046 rx_status.antenna =
1047 le16_to_cpu(phy_res->phy_flags & RX_RES_PHY_FLAGS_ANTENNA_MSK) 1047 (le16_to_cpu(phy_res->phy_flags) & RX_RES_PHY_FLAGS_ANTENNA_MSK)
1048 >> RX_RES_PHY_FLAGS_ANTENNA_POS; 1048 >> RX_RES_PHY_FLAGS_ANTENNA_POS;
1049 1049
1050 /* set the preamble flag if appropriate */ 1050 /* set the preamble flag if appropriate */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index aa49230422f3..d00a80334095 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4097,8 +4097,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
4097 pci_set_drvdata(pdev, NULL); 4097 pci_set_drvdata(pdev, NULL);
4098 pci_disable_device(pdev); 4098 pci_disable_device(pdev);
4099 out_ieee80211_free_hw: 4099 out_ieee80211_free_hw:
4100 ieee80211_free_hw(priv->hw);
4101 iwl_free_traffic_mem(priv); 4100 iwl_free_traffic_mem(priv);
4101 ieee80211_free_hw(priv->hw);
4102 out: 4102 out:
4103 return err; 4103 return err;
4104} 4104}
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index c42d3faa2660..23f684337fdd 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -3,6 +3,7 @@
3 * responses as well as events generated by firmware. 3 * responses as well as events generated by firmware.
4 */ 4 */
5#include <linux/delay.h> 5#include <linux/delay.h>
6#include <linux/sched.h>
6#include <linux/if_arp.h> 7#include <linux/if_arp.h>
7#include <linux/netdevice.h> 8#include <linux/netdevice.h>
8#include <asm/unaligned.h> 9#include <asm/unaligned.h>
diff --git a/drivers/net/znet.c b/drivers/net/znet.c
index a0384b6f09b6..b42347333750 100644
--- a/drivers/net/znet.c
+++ b/drivers/net/znet.c
@@ -169,7 +169,6 @@ static void znet_tx_timeout (struct net_device *dev);
169static int znet_request_resources (struct net_device *dev) 169static int znet_request_resources (struct net_device *dev)
170{ 170{
171 struct znet_private *znet = netdev_priv(dev); 171 struct znet_private *znet = netdev_priv(dev);
172 unsigned long flags;
173 172
174 if (request_irq (dev->irq, &znet_interrupt, 0, "ZNet", dev)) 173 if (request_irq (dev->irq, &znet_interrupt, 0, "ZNet", dev))
175 goto failed; 174 goto failed;
@@ -187,13 +186,9 @@ static int znet_request_resources (struct net_device *dev)
187 free_sia: 186 free_sia:
188 release_region (znet->sia_base, znet->sia_size); 187 release_region (znet->sia_base, znet->sia_size);
189 free_tx_dma: 188 free_tx_dma:
190 flags = claim_dma_lock();
191 free_dma (znet->tx_dma); 189 free_dma (znet->tx_dma);
192 release_dma_lock (flags);
193 free_rx_dma: 190 free_rx_dma:
194 flags = claim_dma_lock();
195 free_dma (znet->rx_dma); 191 free_dma (znet->rx_dma);
196 release_dma_lock (flags);
197 free_irq: 192 free_irq:
198 free_irq (dev->irq, dev); 193 free_irq (dev->irq, dev);
199 failed: 194 failed:
@@ -203,14 +198,11 @@ static int znet_request_resources (struct net_device *dev)
203static void znet_release_resources (struct net_device *dev) 198static void znet_release_resources (struct net_device *dev)
204{ 199{
205 struct znet_private *znet = netdev_priv(dev); 200 struct znet_private *znet = netdev_priv(dev);
206 unsigned long flags;
207 201
208 release_region (znet->sia_base, znet->sia_size); 202 release_region (znet->sia_base, znet->sia_size);
209 release_region (dev->base_addr, znet->io_size); 203 release_region (dev->base_addr, znet->io_size);
210 flags = claim_dma_lock();
211 free_dma (znet->tx_dma); 204 free_dma (znet->tx_dma);
212 free_dma (znet->rx_dma); 205 free_dma (znet->rx_dma);
213 release_dma_lock (flags);
214 free_irq (dev->irq, dev); 206 free_irq (dev->irq, dev);
215} 207}
216 208
diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
index 2b7ae366ceb1..5df60a6b6776 100644
--- a/drivers/oprofile/event_buffer.c
+++ b/drivers/oprofile/event_buffer.c
@@ -35,12 +35,23 @@ static size_t buffer_pos;
35/* atomic_t because wait_event checks it outside of buffer_mutex */ 35/* atomic_t because wait_event checks it outside of buffer_mutex */
36static atomic_t buffer_ready = ATOMIC_INIT(0); 36static atomic_t buffer_ready = ATOMIC_INIT(0);
37 37
38/* Add an entry to the event buffer. When we 38/*
39 * get near to the end we wake up the process 39 * Add an entry to the event buffer. When we get near to the end we
40 * sleeping on the read() of the file. 40 * wake up the process sleeping on the read() of the file. To protect
41 * the event_buffer this function may only be called when buffer_mutex
42 * is set.
41 */ 43 */
42void add_event_entry(unsigned long value) 44void add_event_entry(unsigned long value)
43{ 45{
46 /*
47 * This shouldn't happen since all workqueues or handlers are
48 * canceled or flushed before the event buffer is freed.
49 */
50 if (!event_buffer) {
51 WARN_ON_ONCE(1);
52 return;
53 }
54
44 if (buffer_pos == buffer_size) { 55 if (buffer_pos == buffer_size) {
45 atomic_inc(&oprofile_stats.event_lost_overflow); 56 atomic_inc(&oprofile_stats.event_lost_overflow);
46 return; 57 return;
@@ -69,7 +80,6 @@ void wake_up_buffer_waiter(void)
69 80
70int alloc_event_buffer(void) 81int alloc_event_buffer(void)
71{ 82{
72 int err = -ENOMEM;
73 unsigned long flags; 83 unsigned long flags;
74 84
75 spin_lock_irqsave(&oprofilefs_lock, flags); 85 spin_lock_irqsave(&oprofilefs_lock, flags);
@@ -80,21 +90,22 @@ int alloc_event_buffer(void)
80 if (buffer_watershed >= buffer_size) 90 if (buffer_watershed >= buffer_size)
81 return -EINVAL; 91 return -EINVAL;
82 92
93 buffer_pos = 0;
83 event_buffer = vmalloc(sizeof(unsigned long) * buffer_size); 94 event_buffer = vmalloc(sizeof(unsigned long) * buffer_size);
84 if (!event_buffer) 95 if (!event_buffer)
85 goto out; 96 return -ENOMEM;
86 97
87 err = 0; 98 return 0;
88out:
89 return err;
90} 99}
91 100
92 101
93void free_event_buffer(void) 102void free_event_buffer(void)
94{ 103{
104 mutex_lock(&buffer_mutex);
95 vfree(event_buffer); 105 vfree(event_buffer);
96 106 buffer_pos = 0;
97 event_buffer = NULL; 107 event_buffer = NULL;
108 mutex_unlock(&buffer_mutex);
98} 109}
99 110
100 111
@@ -167,6 +178,12 @@ static ssize_t event_buffer_read(struct file *file, char __user *buf,
167 178
168 mutex_lock(&buffer_mutex); 179 mutex_lock(&buffer_mutex);
169 180
181 /* May happen if the buffer is freed during pending reads. */
182 if (!event_buffer) {
183 retval = -EINTR;
184 goto out;
185 }
186
170 atomic_set(&buffer_ready, 0); 187 atomic_set(&buffer_ready, 0);
171 188
172 retval = -EFAULT; 189 retval = -EFAULT;
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 53b8c255360a..aaccc8ecfa8f 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2533,6 +2533,7 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
2533{ 2533{
2534 struct dasd_ccw_req *cqr; 2534 struct dasd_ccw_req *cqr;
2535 struct ccw1 *ccw; 2535 struct ccw1 *ccw;
2536 unsigned long *idaw;
2536 2537
2537 cqr = dasd_smalloc_request(magic, 1 /* RDC */, rdc_buffer_size, device); 2538 cqr = dasd_smalloc_request(magic, 1 /* RDC */, rdc_buffer_size, device);
2538 2539
@@ -2546,9 +2547,17 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
2546 2547
2547 ccw = cqr->cpaddr; 2548 ccw = cqr->cpaddr;
2548 ccw->cmd_code = CCW_CMD_RDC; 2549 ccw->cmd_code = CCW_CMD_RDC;
2549 ccw->cda = (__u32)(addr_t)rdc_buffer; 2550 if (idal_is_needed(rdc_buffer, rdc_buffer_size)) {
2550 ccw->count = rdc_buffer_size; 2551 idaw = (unsigned long *) (cqr->data);
2552 ccw->cda = (__u32)(addr_t) idaw;
2553 ccw->flags = CCW_FLAG_IDA;
2554 idaw = idal_create_words(idaw, rdc_buffer, rdc_buffer_size);
2555 } else {
2556 ccw->cda = (__u32)(addr_t) rdc_buffer;
2557 ccw->flags = 0;
2558 }
2551 2559
2560 ccw->count = rdc_buffer_size;
2552 cqr->startdev = device; 2561 cqr->startdev = device;
2553 cqr->memdev = device; 2562 cqr->memdev = device;
2554 cqr->expires = 10*HZ; 2563 cqr->expires = 10*HZ;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 0be7c15f45c5..417b97cd3f94 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3216,6 +3216,7 @@ int dasd_eckd_restore_device(struct dasd_device *device)
3216 struct dasd_eckd_characteristics temp_rdc_data; 3216 struct dasd_eckd_characteristics temp_rdc_data;
3217 int is_known, rc; 3217 int is_known, rc;
3218 struct dasd_uid temp_uid; 3218 struct dasd_uid temp_uid;
3219 unsigned long flags;
3219 3220
3220 private = (struct dasd_eckd_private *) device->private; 3221 private = (struct dasd_eckd_private *) device->private;
3221 3222
@@ -3228,7 +3229,8 @@ int dasd_eckd_restore_device(struct dasd_device *device)
3228 rc = dasd_eckd_generate_uid(device, &private->uid); 3229 rc = dasd_eckd_generate_uid(device, &private->uid);
3229 dasd_get_uid(device->cdev, &temp_uid); 3230 dasd_get_uid(device->cdev, &temp_uid);
3230 if (memcmp(&private->uid, &temp_uid, sizeof(struct dasd_uid)) != 0) 3231 if (memcmp(&private->uid, &temp_uid, sizeof(struct dasd_uid)) != 0)
3231 dev_err(&device->cdev->dev, "The UID of the DASD has changed\n"); 3232 dev_err(&device->cdev->dev, "The UID of the DASD has "
3233 "changed\n");
3232 if (rc) 3234 if (rc)
3233 goto out_err; 3235 goto out_err;
3234 dasd_set_uid(device->cdev, &private->uid); 3236 dasd_set_uid(device->cdev, &private->uid);
@@ -3256,9 +3258,9 @@ int dasd_eckd_restore_device(struct dasd_device *device)
3256 "device: %s", rc, dev_name(&device->cdev->dev)); 3258 "device: %s", rc, dev_name(&device->cdev->dev));
3257 goto out_err; 3259 goto out_err;
3258 } 3260 }
3259 spin_lock(get_ccwdev_lock(device->cdev)); 3261 spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
3260 memcpy(&private->rdc_data, &temp_rdc_data, sizeof(temp_rdc_data)); 3262 memcpy(&private->rdc_data, &temp_rdc_data, sizeof(temp_rdc_data));
3261 spin_unlock(get_ccwdev_lock(device->cdev)); 3263 spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
3262 3264
3263 /* add device to alias management */ 3265 /* add device to alias management */
3264 dasd_alias_add_device(device); 3266 dasd_alias_add_device(device);
diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c
index daaec185ed36..a4f68e5b9c96 100644
--- a/drivers/s390/char/sclp_async.c
+++ b/drivers/s390/char/sclp_async.c
@@ -62,7 +62,7 @@ static struct notifier_block call_home_panic_nb = {
62 .priority = INT_MAX, 62 .priority = INT_MAX,
63}; 63};
64 64
65static int proc_handler_callhome(ctl_table *ctl, int write, struct file *filp, 65static int proc_handler_callhome(struct ctl_table *ctl, int write,
66 void __user *buffer, size_t *count, 66 void __user *buffer, size_t *count,
67 loff_t *ppos) 67 loff_t *ppos)
68{ 68{
@@ -100,7 +100,7 @@ static struct ctl_table callhome_table[] = {
100 { 100 {
101 .procname = "callhome", 101 .procname = "callhome",
102 .mode = 0644, 102 .mode = 0644,
103 .proc_handler = &proc_handler_callhome, 103 .proc_handler = proc_handler_callhome,
104 }, 104 },
105 { .ctl_name = 0 } 105 { .ctl_name = 0 }
106}; 106};
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 178724f2a4c3..b9d2a007e93b 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -705,21 +705,6 @@ out_driver:
705} 705}
706__initcall(sclp_vt220_tty_init); 706__initcall(sclp_vt220_tty_init);
707 707
708#ifdef CONFIG_SCLP_VT220_CONSOLE
709
710static void
711sclp_vt220_con_write(struct console *con, const char *buf, unsigned int count)
712{
713 __sclp_vt220_write((const unsigned char *) buf, count, 1, 1, 0);
714}
715
716static struct tty_driver *
717sclp_vt220_con_device(struct console *c, int *index)
718{
719 *index = 0;
720 return sclp_vt220_driver;
721}
722
723static void __sclp_vt220_flush_buffer(void) 708static void __sclp_vt220_flush_buffer(void)
724{ 709{
725 unsigned long flags; 710 unsigned long flags;
@@ -776,6 +761,21 @@ static void sclp_vt220_pm_event_fn(struct sclp_register *reg,
776 } 761 }
777} 762}
778 763
764#ifdef CONFIG_SCLP_VT220_CONSOLE
765
766static void
767sclp_vt220_con_write(struct console *con, const char *buf, unsigned int count)
768{
769 __sclp_vt220_write((const unsigned char *) buf, count, 1, 1, 0);
770}
771
772static struct tty_driver *
773sclp_vt220_con_device(struct console *c, int *index)
774{
775 *index = 0;
776 return sclp_vt220_driver;
777}
778
779static int 779static int
780sclp_vt220_notify(struct notifier_block *self, 780sclp_vt220_notify(struct notifier_block *self,
781 unsigned long event, void *data) 781 unsigned long event, void *data)
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index 64f57ef2763c..0c0705b91c28 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -162,9 +162,10 @@ tapeblock_requeue(struct work_struct *work) {
162 spin_lock_irq(&device->blk_data.request_queue_lock); 162 spin_lock_irq(&device->blk_data.request_queue_lock);
163 while ( 163 while (
164 !blk_queue_plugged(queue) && 164 !blk_queue_plugged(queue) &&
165 (req = blk_fetch_request(queue)) && 165 blk_peek_request(queue) &&
166 nr_queued < TAPEBLOCK_MIN_REQUEUE 166 nr_queued < TAPEBLOCK_MIN_REQUEUE
167 ) { 167 ) {
168 req = blk_fetch_request(queue);
168 if (rq_data_dir(req) == WRITE) { 169 if (rq_data_dir(req) == WRITE) {
169 DBF_EVENT(1, "TBLOCK: Rejecting write request\n"); 170 DBF_EVENT(1, "TBLOCK: Rejecting write request\n");
170 spin_unlock_irq(&device->blk_data.request_queue_lock); 171 spin_unlock_irq(&device->blk_data.request_queue_lock);
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 2ee093ec86e4..2490b741e16a 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1250,8 +1250,7 @@ static int io_subchannel_probe(struct subchannel *sch)
1250 unsigned long flags; 1250 unsigned long flags;
1251 struct ccw_dev_id dev_id; 1251 struct ccw_dev_id dev_id;
1252 1252
1253 cdev = sch_get_cdev(sch); 1253 if (cio_is_console(sch->schid)) {
1254 if (cdev) {
1255 rc = sysfs_create_group(&sch->dev.kobj, 1254 rc = sysfs_create_group(&sch->dev.kobj,
1256 &io_subchannel_attr_group); 1255 &io_subchannel_attr_group);
1257 if (rc) 1256 if (rc)
@@ -1260,13 +1259,13 @@ static int io_subchannel_probe(struct subchannel *sch)
1260 "0.%x.%04x (rc=%d)\n", 1259 "0.%x.%04x (rc=%d)\n",
1261 sch->schid.ssid, sch->schid.sch_no, rc); 1260 sch->schid.ssid, sch->schid.sch_no, rc);
1262 /* 1261 /*
1263 * This subchannel already has an associated ccw_device. 1262 * The console subchannel already has an associated ccw_device.
1264 * Throw the delayed uevent for the subchannel, register 1263 * Throw the delayed uevent for the subchannel, register
1265 * the ccw_device and exit. This happens for all early 1264 * the ccw_device and exit.
1266 * devices, e.g. the console.
1267 */ 1265 */
1268 dev_set_uevent_suppress(&sch->dev, 0); 1266 dev_set_uevent_suppress(&sch->dev, 0);
1269 kobject_uevent(&sch->dev.kobj, KOBJ_ADD); 1267 kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
1268 cdev = sch_get_cdev(sch);
1270 cdev->dev.groups = ccwdev_attr_groups; 1269 cdev->dev.groups = ccwdev_attr_groups;
1271 device_initialize(&cdev->dev); 1270 device_initialize(&cdev->dev);
1272 ccw_device_register(cdev); 1271 ccw_device_register(cdev);
diff --git a/drivers/staging/b3dfg/b3dfg.c b/drivers/staging/b3dfg/b3dfg.c
index 94c5d27d24d7..cda26bb493b3 100644
--- a/drivers/staging/b3dfg/b3dfg.c
+++ b/drivers/staging/b3dfg/b3dfg.c
@@ -36,6 +36,7 @@
36#include <linux/wait.h> 36#include <linux/wait.h>
37#include <linux/mm.h> 37#include <linux/mm.h>
38#include <linux/uaccess.h> 38#include <linux/uaccess.h>
39#include <linux/sched.h>
39 40
40static unsigned int b3dfg_nbuf = 2; 41static unsigned int b3dfg_nbuf = 2;
41 42
diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c
index 2cda7ad1d32f..80e192d2e77e 100644
--- a/drivers/staging/comedi/drivers/me_daq.c
+++ b/drivers/staging/comedi/drivers/me_daq.c
@@ -51,6 +51,7 @@ from http://www.comedi.org
51*/ 51*/
52 52
53#include <linux/interrupt.h> 53#include <linux/interrupt.h>
54#include <linux/sched.h>
54#include "../comedidev.h" 55#include "../comedidev.h"
55 56
56#include "comedi_pci.h" 57#include "comedi_pci.h"
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index e3ffb067ead1..753ee0512342 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -62,6 +62,7 @@
62/* #define DEBUG_STATUS_B */ 62/* #define DEBUG_STATUS_B */
63 63
64#include <linux/interrupt.h> 64#include <linux/interrupt.h>
65#include <linux/sched.h>
65#include "8255.h" 66#include "8255.h"
66#include "mite.h" 67#include "mite.h"
67#include "comedi_fc.h" 68#include "comedi_fc.h"
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 52b2eca9e73d..d544698f2414 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -70,6 +70,7 @@ comedi_nonfree_firmware tarball available from http://www.comedi.org
70/* #define DEBUG_FLAGS */ 70/* #define DEBUG_FLAGS */
71 71
72#include <linux/interrupt.h> 72#include <linux/interrupt.h>
73#include <linux/sched.h>
73#include "../comedidev.h" 74#include "../comedidev.h"
74 75
75#include "mite.h" 76#include "mite.h"
diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
index 6294d3814e72..2c3d65a622a7 100644
--- a/drivers/staging/et131x/et1310_address_map.h
+++ b/drivers/staging/et131x/et1310_address_map.h
@@ -223,7 +223,7 @@ typedef union _TXDMA_PR_NUM_DES_t {
223 223
224extern inline void add_10bit(u32 *v, int n) 224extern inline void add_10bit(u32 *v, int n)
225{ 225{
226 *v = INDEX10(*v + n); 226 *v = INDEX10(*v + n) | (*v & ET_DMA10_WRAP);
227} 227}
228 228
229/* 229/*
diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c
index 8f2e91fa0a86..10e21db57ac3 100644
--- a/drivers/staging/et131x/et1310_rx.c
+++ b/drivers/staging/et131x/et1310_rx.c
@@ -1177,12 +1177,20 @@ void et131x_handle_recv_interrupt(struct et131x_adapter *etdev)
1177 1177
1178static inline u32 bump_fbr(u32 *fbr, u32 limit) 1178static inline u32 bump_fbr(u32 *fbr, u32 limit)
1179{ 1179{
1180 u32 v = *fbr; 1180 u32 v = *fbr;
1181 add_10bit(&v, 1); 1181 v++;
1182 if (v > limit) 1182 /* This works for all cases where limit < 1024. The 1023 case
1183 v = (*fbr & ~ET_DMA10_MASK) ^ ET_DMA10_WRAP; 1183 works because 1023++ is 1024 which means the if condition is not
1184 *fbr = v; 1184 taken but the carry of the bit into the wrap bit toggles the wrap
1185 return v; 1185 value correctly */
1186 if ((v & ET_DMA10_MASK) > limit) {
1187 v &= ~ET_DMA10_MASK;
1188 v ^= ET_DMA10_WRAP;
1189 }
1190 /* For the 1023 case */
1191 v &= (ET_DMA10_MASK|ET_DMA10_WRAP);
1192 *fbr = v;
1193 return v;
1186} 1194}
1187 1195
1188/** 1196/**
diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c
index 8fe543bd9910..3a4793a0fd05 100644
--- a/drivers/staging/hv/osd.c
+++ b/drivers/staging/hv/osd.c
@@ -30,6 +30,7 @@
30#include <linux/ioport.h> 30#include <linux/ioport.h>
31#include <linux/irq.h> 31#include <linux/irq.h>
32#include <linux/interrupt.h> 32#include <linux/interrupt.h>
33#include <linux/sched.h>
33#include <linux/wait.h> 34#include <linux/wait.h>
34#include <linux/spinlock.h> 35#include <linux/spinlock.h>
35#include <linux/workqueue.h> 36#include <linux/workqueue.h>
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 1fa18f255814..768f44894d08 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -18,6 +18,8 @@
18#include <linux/fs.h> 18#include <linux/fs.h>
19#include <linux/interrupt.h> 19#include <linux/interrupt.h>
20#include <linux/poll.h> 20#include <linux/poll.h>
21#include <linux/sched.h>
22#include <linux/wait.h>
21#include <linux/cdev.h> 23#include <linux/cdev.h>
22#include "iio.h" 24#include "iio.h"
23#include "trigger_consumer.h" 25#include "trigger_consumer.h"
diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c
index 0d111ddfabb2..2eb8e3d43c4d 100644
--- a/drivers/staging/poch/poch.c
+++ b/drivers/staging/poch/poch.c
@@ -20,6 +20,7 @@
20#include <linux/init.h> 20#include <linux/init.h>
21#include <linux/ioctl.h> 21#include <linux/ioctl.h>
22#include <linux/io.h> 22#include <linux/io.h>
23#include <linux/sched.h>
23 24
24#include "poch.h" 25#include "poch.h"
25 26
diff --git a/drivers/staging/rt2860/common/cmm_data_2860.c b/drivers/staging/rt2860/common/cmm_data_2860.c
index fb1735533b74..857ff450b6c9 100644
--- a/drivers/staging/rt2860/common/cmm_data_2860.c
+++ b/drivers/staging/rt2860/common/cmm_data_2860.c
@@ -363,6 +363,8 @@ int RtmpPCIMgmtKickOut(
363 ULONG SwIdx = pAd->MgmtRing.TxCpuIdx; 363 ULONG SwIdx = pAd->MgmtRing.TxCpuIdx;
364 364
365 pTxD = (PTXD_STRUC) pAd->MgmtRing.Cell[SwIdx].AllocVa; 365 pTxD = (PTXD_STRUC) pAd->MgmtRing.Cell[SwIdx].AllocVa;
366 if (!pTxD)
367 return 0;
366 368
367 pAd->MgmtRing.Cell[SwIdx].pNdisPacket = pPacket; 369 pAd->MgmtRing.Cell[SwIdx].pNdisPacket = pPacket;
368 pAd->MgmtRing.Cell[SwIdx].pNextNdisPacket = NULL; 370 pAd->MgmtRing.Cell[SwIdx].pNextNdisPacket = NULL;
diff --git a/drivers/staging/rt2860/common/cmm_info.c b/drivers/staging/rt2860/common/cmm_info.c
index 9d589c240ed0..019cc4474ce8 100644
--- a/drivers/staging/rt2860/common/cmm_info.c
+++ b/drivers/staging/rt2860/common/cmm_info.c
@@ -25,6 +25,7 @@
25 ************************************************************************* 25 *************************************************************************
26*/ 26*/
27 27
28#include <linux/sched.h>
28#include "../rt_config.h" 29#include "../rt_config.h"
29 30
30INT Show_SSID_Proc( 31INT Show_SSID_Proc(
diff --git a/drivers/staging/rt2860/rt_linux.c b/drivers/staging/rt2860/rt_linux.c
index b396a9b570e2..ed27b8545a1b 100644
--- a/drivers/staging/rt2860/rt_linux.c
+++ b/drivers/staging/rt2860/rt_linux.c
@@ -25,6 +25,7 @@
25 ************************************************************************* 25 *************************************************************************
26 */ 26 */
27 27
28#include <linux/sched.h>
28#include "rt_config.h" 29#include "rt_config.h"
29 30
30ULONG RTDebugLevel = RT_DEBUG_ERROR; 31ULONG RTDebugLevel = RT_DEBUG_ERROR;
diff --git a/drivers/staging/rt3090/common/cmm_info.c b/drivers/staging/rt3090/common/cmm_info.c
index 5be0714666cb..3e51e98b474c 100644
--- a/drivers/staging/rt3090/common/cmm_info.c
+++ b/drivers/staging/rt3090/common/cmm_info.c
@@ -34,6 +34,7 @@
34 --------- ---------- ---------------------------------------------- 34 --------- ---------- ----------------------------------------------
35 */ 35 */
36 36
37#include <linux/sched.h>
37#include "../rt_config.h" 38#include "../rt_config.h"
38 39
39 40
diff --git a/drivers/staging/rt3090/rt_linux.c b/drivers/staging/rt3090/rt_linux.c
index d2241ecdf583..9b94aa6eb904 100644
--- a/drivers/staging/rt3090/rt_linux.c
+++ b/drivers/staging/rt3090/rt_linux.c
@@ -25,6 +25,7 @@
25 ************************************************************************* 25 *************************************************************************
26 */ 26 */
27 27
28#include <linux/sched.h>
28#include "rt_config.h" 29#include "rt_config.h"
29 30
30ULONG RTDebugLevel = RT_DEBUG_ERROR; 31ULONG RTDebugLevel = RT_DEBUG_ERROR;
diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c
index 87f8a1192762..f890a16096c0 100644
--- a/drivers/staging/sep/sep_driver.c
+++ b/drivers/staging/sep/sep_driver.c
@@ -38,6 +38,7 @@
38#include <linux/mm.h> 38#include <linux/mm.h>
39#include <linux/poll.h> 39#include <linux/poll.h>
40#include <linux/wait.h> 40#include <linux/wait.h>
41#include <linux/sched.h>
41#include <linux/pci.h> 42#include <linux/pci.h>
42#include <linux/firmware.h> 43#include <linux/firmware.h>
43#include <asm/ioctl.h> 44#include <asm/ioctl.h>
diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
index 3d2a84c45829..e139eaeaa174 100644
--- a/drivers/staging/vme/bridges/vme_ca91cx42.c
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.c
@@ -25,6 +25,7 @@
25#include <linux/poll.h> 25#include <linux/poll.h>
26#include <linux/interrupt.h> 26#include <linux/interrupt.h>
27#include <linux/spinlock.h> 27#include <linux/spinlock.h>
28#include <linux/sched.h>
28#include <asm/time.h> 29#include <asm/time.h>
29#include <asm/io.h> 30#include <asm/io.h>
30#include <asm/uaccess.h> 31#include <asm/uaccess.h>
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c
index 8960fa9ee7aa..00fe0803c21c 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.c
+++ b/drivers/staging/vme/bridges/vme_tsi148.c
@@ -25,6 +25,7 @@
25#include <linux/dma-mapping.h> 25#include <linux/dma-mapping.h>
26#include <linux/interrupt.h> 26#include <linux/interrupt.h>
27#include <linux/spinlock.h> 27#include <linux/spinlock.h>
28#include <linux/sched.h>
28#include <asm/time.h> 29#include <asm/time.h>
29#include <asm/io.h> 30#include <asm/io.h>
30#include <asm/uaccess.h> 31#include <asm/uaccess.h>
diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
index 1e8f02f440e6..d3c824dc2358 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -206,7 +206,7 @@ static int __devinit riowd_probe(struct of_device *op,
206 206
207 dev_set_drvdata(&op->dev, p); 207 dev_set_drvdata(&op->dev, p);
208 riowd_device = p; 208 riowd_device = p;
209 err = 0; 209 return 0;
210 210
211out_iounmap: 211out_iounmap:
212 of_iounmap(&op->resource[0], p->regs, 2); 212 of_iounmap(&op->resource[0], p->regs, 2);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-23 20:02:32 -0500