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-rw-r--r--CREDITS2
-rw-r--r--Documentation/RCU/rculist_nulls.txt7
-rw-r--r--Documentation/connector/cn_test.c4
-rw-r--r--Documentation/connector/ucon.c2
-rw-r--r--Documentation/networking/6pack.txt2
-rw-r--r--MAINTAINERS11
-rw-r--r--drivers/connector/cn_queue.c2
-rw-r--r--drivers/connector/connector.c4
-rw-r--r--drivers/net/Kconfig6
-rw-r--r--drivers/net/Makefile1
-rw-r--r--drivers/net/arm/Kconfig8
-rw-r--r--drivers/net/arm/Makefile1
-rw-r--r--drivers/net/arm/w90p910_ether.c1105
-rw-r--r--drivers/net/atl1c/atl1c.h8
-rw-r--r--drivers/net/atl1c/atl1c_main.c2
-rw-r--r--drivers/net/bnx2x_link.c3
-rw-r--r--drivers/net/bonding/bond_main.c12
-rw-r--r--drivers/net/can/dev.c8
-rw-r--r--drivers/net/can/sja1000/sja1000.c1
-rw-r--r--drivers/net/e100.c3
-rw-r--r--drivers/net/hamradio/6pack.c2
-rw-r--r--drivers/net/ibm_newemac/rgmii.c7
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb_nl.c6
-rw-r--r--drivers/net/jazzsonic.c1
-rw-r--r--drivers/net/ks8851.c1322
-rw-r--r--drivers/net/ks8851.h296
-rw-r--r--drivers/net/macsonic.c15
-rw-r--r--drivers/net/mlx4/en_ethtool.c2
-rw-r--r--drivers/net/netxen/netxen_nic.h3
-rw-r--r--drivers/net/netxen/netxen_nic_ctx.c13
-rw-r--r--drivers/net/netxen/netxen_nic_hw.c9
-rw-r--r--drivers/net/netxen/netxen_nic_init.c5
-rw-r--r--drivers/net/netxen/netxen_nic_main.c36
-rw-r--r--drivers/net/pcmcia/3c589_cs.c21
-rw-r--r--drivers/net/sc92031.c1
-rw-r--r--drivers/net/sky2.c25
-rw-r--r--drivers/net/usb/Kconfig8
-rw-r--r--drivers/net/usb/Makefile1
-rw-r--r--drivers/net/usb/cdc-phonet.c461
-rw-r--r--drivers/net/usb/cdc_eem.c2
-rw-r--r--include/net/sock.h32
-rw-r--r--include/net/tcp.h5
-rw-r--r--net/can/bcm.c4
-rw-r--r--net/can/raw.c4
-rw-r--r--net/core/sock.c22
-rw-r--r--net/ipv4/tcp_ipv4.c3
-rw-r--r--net/ipv4/tcp_output.c2
-rw-r--r--net/ipv6/tcp_ipv6.c3
-rw-r--r--net/netfilter/nf_conntrack_core.c21
-rw-r--r--net/netfilter/xt_osf.c5
50 files changed, 3417 insertions, 112 deletions
diff --git a/CREDITS b/CREDITS
index 2b88fb37ad50..e76d300e9fe4 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1856,7 +1856,7 @@ E: rfkoenig@immd4.informatik.uni-erlangen.de
1856D: The Linux Support Team Erlangen 1856D: The Linux Support Team Erlangen
1857 1857
1858N: Andreas Koensgen 1858N: Andreas Koensgen
1859E: ajk@iehk.rwth-aachen.de 1859E: ajk@comnets.uni-bremen.de
1860D: 6pack driver for AX.25 1860D: 6pack driver for AX.25
1861 1861
1862N: Harald Koerfgen 1862N: Harald Koerfgen
diff --git a/Documentation/RCU/rculist_nulls.txt b/Documentation/RCU/rculist_nulls.txt
index 93cb28d05dcd..18f9651ff23d 100644
--- a/Documentation/RCU/rculist_nulls.txt
+++ b/Documentation/RCU/rculist_nulls.txt
@@ -83,11 +83,12 @@ not detect it missed following items in original chain.
83obj = kmem_cache_alloc(...); 83obj = kmem_cache_alloc(...);
84lock_chain(); // typically a spin_lock() 84lock_chain(); // typically a spin_lock()
85obj->key = key; 85obj->key = key;
86atomic_inc(&obj->refcnt);
87/* 86/*
88 * we need to make sure obj->key is updated before obj->next 87 * we need to make sure obj->key is updated before obj->next
88 * or obj->refcnt
89 */ 89 */
90smp_wmb(); 90smp_wmb();
91atomic_set(&obj->refcnt, 1);
91hlist_add_head_rcu(&obj->obj_node, list); 92hlist_add_head_rcu(&obj->obj_node, list);
92unlock_chain(); // typically a spin_unlock() 93unlock_chain(); // typically a spin_unlock()
93 94
@@ -159,6 +160,10 @@ out:
159obj = kmem_cache_alloc(cachep); 160obj = kmem_cache_alloc(cachep);
160lock_chain(); // typically a spin_lock() 161lock_chain(); // typically a spin_lock()
161obj->key = key; 162obj->key = key;
163/*
164 * changes to obj->key must be visible before refcnt one
165 */
166smp_wmb();
162atomic_set(&obj->refcnt, 1); 167atomic_set(&obj->refcnt, 1);
163/* 168/*
164 * insert obj in RCU way (readers might be traversing chain) 169 * insert obj in RCU way (readers might be traversing chain)
diff --git a/Documentation/connector/cn_test.c b/Documentation/connector/cn_test.c
index f688eba87704..6a5be5d5c8e4 100644
--- a/Documentation/connector/cn_test.c
+++ b/Documentation/connector/cn_test.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * cn_test.c 2 * cn_test.c
3 * 3 *
4 * 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru> 4 * 2004+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
@@ -194,5 +194,5 @@ module_init(cn_test_init);
194module_exit(cn_test_fini); 194module_exit(cn_test_fini);
195 195
196MODULE_LICENSE("GPL"); 196MODULE_LICENSE("GPL");
197MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>"); 197MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
198MODULE_DESCRIPTION("Connector's test module"); 198MODULE_DESCRIPTION("Connector's test module");
diff --git a/Documentation/connector/ucon.c b/Documentation/connector/ucon.c
index d738cde2a8d5..c5092ad0ce4b 100644
--- a/Documentation/connector/ucon.c
+++ b/Documentation/connector/ucon.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * ucon.c 2 * ucon.c
3 * 3 *
4 * Copyright (c) 2004+ Evgeniy Polyakov <johnpol@2ka.mipt.ru> 4 * Copyright (c) 2004+ Evgeniy Polyakov <zbr@ioremap.net>
5 * 5 *
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
diff --git a/Documentation/networking/6pack.txt b/Documentation/networking/6pack.txt
index d0777a1200e1..8f339428fdf4 100644
--- a/Documentation/networking/6pack.txt
+++ b/Documentation/networking/6pack.txt
@@ -1,7 +1,7 @@
1This is the 6pack-mini-HOWTO, written by 1This is the 6pack-mini-HOWTO, written by
2 2
3Andreas Könsgen DG3KQ 3Andreas Könsgen DG3KQ
4Internet: ajk@iehk.rwth-aachen.de 4Internet: ajk@comnets.uni-bremen.de
5AMPR-net: dg3kq@db0pra.ampr.org 5AMPR-net: dg3kq@db0pra.ampr.org
6AX.25: dg3kq@db0ach.#nrw.deu.eu 6AX.25: dg3kq@db0ach.#nrw.deu.eu
7 7
diff --git a/MAINTAINERS b/MAINTAINERS
index 18c3f0c41c95..ebc269152faf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -150,7 +150,7 @@ F: drivers/scsi/53c700*
150 150
1516PACK NETWORK DRIVER FOR AX.25 1516PACK NETWORK DRIVER FOR AX.25
152P: Andreas Koensgen 152P: Andreas Koensgen
153M: ajk@iehk.rwth-aachen.de 153M: ajk@comnets.uni-bremen.de
154L: linux-hams@vger.kernel.org 154L: linux-hams@vger.kernel.org
155S: Maintained 155S: Maintained
156F: drivers/net/hamradio/6pack.c 156F: drivers/net/hamradio/6pack.c
@@ -1612,6 +1612,13 @@ S: Supported
1612F: fs/configfs/ 1612F: fs/configfs/
1613F: include/linux/configfs.h 1613F: include/linux/configfs.h
1614 1614
1615CONNECTOR
1616P: Evgeniy Polyakov
1617M: zbr@ioremap.net
1618L: netdev@vger.kernel.org
1619S: Maintained
1620F: drivers/connector/
1621
1615CONTROL GROUPS (CGROUPS) 1622CONTROL GROUPS (CGROUPS)
1616P: Paul Menage 1623P: Paul Menage
1617M: menage@google.com 1624M: menage@google.com
@@ -4089,6 +4096,7 @@ L: netfilter@vger.kernel.org
4089L: coreteam@netfilter.org 4096L: coreteam@netfilter.org
4090W: http://www.netfilter.org/ 4097W: http://www.netfilter.org/
4091W: http://www.iptables.org/ 4098W: http://www.iptables.org/
4099T: git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6.git
4092S: Supported 4100S: Supported
4093F: include/linux/netfilter* 4101F: include/linux/netfilter*
4094F: include/linux/netfilter/ 4102F: include/linux/netfilter/
@@ -5586,7 +5594,6 @@ S: Odd Fixes
5586F: drivers/net/starfire* 5594F: drivers/net/starfire*
5587 5595
5588STARMODE RADIO IP (STRIP) PROTOCOL DRIVER 5596STARMODE RADIO IP (STRIP) PROTOCOL DRIVER
5589W: http://mosquitonet.Stanford.EDU/strip.html
5590S: Orphan 5597S: Orphan
5591F: drivers/net/wireless/strip.c 5598F: drivers/net/wireless/strip.c
5592F: include/linux/if_strip.h 5599F: include/linux/if_strip.h
diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c
index c769ef269fb5..408c2af25d50 100644
--- a/drivers/connector/cn_queue.c
+++ b/drivers/connector/cn_queue.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * cn_queue.c 2 * cn_queue.c
3 * 3 *
4 * 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru> 4 * 2004+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index fd336c5a9057..08b2500f21ec 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * connector.c 2 * connector.c
3 * 3 *
4 * 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru> 4 * 2004+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
@@ -33,7 +33,7 @@
33#include <net/sock.h> 33#include <net/sock.h>
34 34
35MODULE_LICENSE("GPL"); 35MODULE_LICENSE("GPL");
36MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>"); 36MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
37MODULE_DESCRIPTION("Generic userspace <-> kernelspace connector."); 37MODULE_DESCRIPTION("Generic userspace <-> kernelspace connector.");
38 38
39static u32 cn_idx = CN_IDX_CONNECTOR; 39static u32 cn_idx = CN_IDX_CONNECTOR;
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index c155bd3ec9f1..b5a7513df4eb 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1729,6 +1729,12 @@ config KS8842
1729 help 1729 help
1730 This platform driver is for Micrel KSZ8842 chip. 1730 This platform driver is for Micrel KSZ8842 chip.
1731 1731
1732config KS8851
1733 tristate "Micrel KS8851 SPI"
1734 depends on SPI
1735 help
1736 SPI driver for Micrel KS8851 SPI attached network chip.
1737
1732config VIA_RHINE 1738config VIA_RHINE
1733 tristate "VIA Rhine support" 1739 tristate "VIA Rhine support"
1734 depends on NET_PCI && PCI 1740 depends on NET_PCI && PCI
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 4b58a59f211b..ead8cab3cfe1 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -88,6 +88,7 @@ obj-$(CONFIG_SKGE) += skge.o
88obj-$(CONFIG_SKY2) += sky2.o 88obj-$(CONFIG_SKY2) += sky2.o
89obj-$(CONFIG_SKFP) += skfp/ 89obj-$(CONFIG_SKFP) += skfp/
90obj-$(CONFIG_KS8842) += ks8842.o 90obj-$(CONFIG_KS8842) += ks8842.o
91obj-$(CONFIG_KS8851) += ks8851.o
91obj-$(CONFIG_VIA_RHINE) += via-rhine.o 92obj-$(CONFIG_VIA_RHINE) += via-rhine.o
92obj-$(CONFIG_VIA_VELOCITY) += via-velocity.o 93obj-$(CONFIG_VIA_VELOCITY) += via-velocity.o
93obj-$(CONFIG_ADAPTEC_STARFIRE) += starfire.o 94obj-$(CONFIG_ADAPTEC_STARFIRE) += starfire.o
diff --git a/drivers/net/arm/Kconfig b/drivers/net/arm/Kconfig
index 2895db13bfa4..c37ee9e6b67b 100644
--- a/drivers/net/arm/Kconfig
+++ b/drivers/net/arm/Kconfig
@@ -63,3 +63,11 @@ config IXP4XX_ETH
63 help 63 help
64 Say Y here if you want to use built-in Ethernet ports 64 Say Y here if you want to use built-in Ethernet ports
65 on IXP4xx processor. 65 on IXP4xx processor.
66
67config W90P910_ETH
68 tristate "Nuvoton w90p910 Ethernet support"
69 depends on ARM && ARCH_W90X900
70 select PHYLIB
71 help
72 Say Y here if you want to use built-in Ethernet ports
73 on w90p910 processor.
diff --git a/drivers/net/arm/Makefile b/drivers/net/arm/Makefile
index 811a3ccd14c1..303171f589e6 100644
--- a/drivers/net/arm/Makefile
+++ b/drivers/net/arm/Makefile
@@ -11,3 +11,4 @@ obj-$(CONFIG_ARM_AT91_ETHER) += at91_ether.o
11obj-$(CONFIG_ARM_KS8695_ETHER) += ks8695net.o 11obj-$(CONFIG_ARM_KS8695_ETHER) += ks8695net.o
12obj-$(CONFIG_EP93XX_ETH) += ep93xx_eth.o 12obj-$(CONFIG_EP93XX_ETH) += ep93xx_eth.o
13obj-$(CONFIG_IXP4XX_ETH) += ixp4xx_eth.o 13obj-$(CONFIG_IXP4XX_ETH) += ixp4xx_eth.o
14obj-$(CONFIG_W90P910_ETH) += w90p910_ether.o
diff --git a/drivers/net/arm/w90p910_ether.c b/drivers/net/arm/w90p910_ether.c
new file mode 100644
index 000000000000..616fb7985a34
--- /dev/null
+++ b/drivers/net/arm/w90p910_ether.c
@@ -0,0 +1,1105 @@
1/*
2 * Copyright (c) 2008-2009 Nuvoton technology corporation.
3 *
4 * Wan ZongShun <mcuos.com@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation;version 2 of the License.
9 *
10 */
11
12#include <linux/module.h>
13#include <linux/init.h>
14#include <linux/mii.h>
15#include <linux/netdevice.h>
16#include <linux/etherdevice.h>
17#include <linux/skbuff.h>
18#include <linux/ethtool.h>
19#include <linux/platform_device.h>
20#include <linux/clk.h>
21
22#define DRV_MODULE_NAME "w90p910-emc"
23#define DRV_MODULE_VERSION "0.1"
24
25/* Ethernet MAC Registers */
26#define REG_CAMCMR 0x00
27#define REG_CAMEN 0x04
28#define REG_CAMM_BASE 0x08
29#define REG_CAML_BASE 0x0c
30#define REG_TXDLSA 0x88
31#define REG_RXDLSA 0x8C
32#define REG_MCMDR 0x90
33#define REG_MIID 0x94
34#define REG_MIIDA 0x98
35#define REG_FFTCR 0x9C
36#define REG_TSDR 0xa0
37#define REG_RSDR 0xa4
38#define REG_DMARFC 0xa8
39#define REG_MIEN 0xac
40#define REG_MISTA 0xb0
41#define REG_CTXDSA 0xcc
42#define REG_CTXBSA 0xd0
43#define REG_CRXDSA 0xd4
44#define REG_CRXBSA 0xd8
45
46/* mac controller bit */
47#define MCMDR_RXON 0x01
48#define MCMDR_ACP (0x01 << 3)
49#define MCMDR_SPCRC (0x01 << 5)
50#define MCMDR_TXON (0x01 << 8)
51#define MCMDR_FDUP (0x01 << 18)
52#define MCMDR_ENMDC (0x01 << 19)
53#define MCMDR_OPMOD (0x01 << 20)
54#define SWR (0x01 << 24)
55
56/* cam command regiser */
57#define CAMCMR_AUP 0x01
58#define CAMCMR_AMP (0x01 << 1)
59#define CAMCMR_ABP (0x01 << 2)
60#define CAMCMR_CCAM (0x01 << 3)
61#define CAMCMR_ECMP (0x01 << 4)
62#define CAM0EN 0x01
63
64/* mac mii controller bit */
65#define MDCCR (0x0a << 20)
66#define PHYAD (0x01 << 8)
67#define PHYWR (0x01 << 16)
68#define PHYBUSY (0x01 << 17)
69#define PHYPRESP (0x01 << 18)
70#define CAM_ENTRY_SIZE 0x08
71
72/* rx and tx status */
73#define TXDS_TXCP (0x01 << 19)
74#define RXDS_CRCE (0x01 << 17)
75#define RXDS_PTLE (0x01 << 19)
76#define RXDS_RXGD (0x01 << 20)
77#define RXDS_ALIE (0x01 << 21)
78#define RXDS_RP (0x01 << 22)
79
80/* mac interrupt status*/
81#define MISTA_EXDEF (0x01 << 19)
82#define MISTA_TXBERR (0x01 << 24)
83#define MISTA_TDU (0x01 << 23)
84#define MISTA_RDU (0x01 << 10)
85#define MISTA_RXBERR (0x01 << 11)
86
87#define ENSTART 0x01
88#define ENRXINTR 0x01
89#define ENRXGD (0x01 << 4)
90#define ENRXBERR (0x01 << 11)
91#define ENTXINTR (0x01 << 16)
92#define ENTXCP (0x01 << 18)
93#define ENTXABT (0x01 << 21)
94#define ENTXBERR (0x01 << 24)
95#define ENMDC (0x01 << 19)
96#define PHYBUSY (0x01 << 17)
97#define MDCCR_VAL 0xa00000
98
99/* rx and tx owner bit */
100#define RX_OWEN_DMA (0x01 << 31)
101#define RX_OWEN_CPU (~(0x03 << 30))
102#define TX_OWEN_DMA (0x01 << 31)
103#define TX_OWEN_CPU (~(0x01 << 31))
104
105/* tx frame desc controller bit */
106#define MACTXINTEN 0x04
107#define CRCMODE 0x02
108#define PADDINGMODE 0x01
109
110/* fftcr controller bit */
111#define TXTHD (0x03 << 8)
112#define BLENGTH (0x01 << 20)
113
114/* global setting for driver */
115#define RX_DESC_SIZE 50
116#define TX_DESC_SIZE 10
117#define MAX_RBUFF_SZ 0x600
118#define MAX_TBUFF_SZ 0x600
119#define TX_TIMEOUT 50
120#define DELAY 1000
121#define CAM0 0x0
122
123static int w90p910_mdio_read(struct net_device *dev, int phy_id, int reg);
124
125struct w90p910_rxbd {
126 unsigned int sl;
127 unsigned int buffer;
128 unsigned int reserved;
129 unsigned int next;
130};
131
132struct w90p910_txbd {
133 unsigned int mode;
134 unsigned int buffer;
135 unsigned int sl;
136 unsigned int next;
137};
138
139struct recv_pdesc {
140 struct w90p910_rxbd desclist[RX_DESC_SIZE];
141 char recv_buf[RX_DESC_SIZE][MAX_RBUFF_SZ];
142};
143
144struct tran_pdesc {
145 struct w90p910_txbd desclist[TX_DESC_SIZE];
146 char tran_buf[RX_DESC_SIZE][MAX_TBUFF_SZ];
147};
148
149struct w90p910_ether {
150 struct recv_pdesc *rdesc;
151 struct recv_pdesc *rdesc_phys;
152 struct tran_pdesc *tdesc;
153 struct tran_pdesc *tdesc_phys;
154 struct net_device_stats stats;
155 struct platform_device *pdev;
156 struct sk_buff *skb;
157 struct clk *clk;
158 struct clk *rmiiclk;
159 struct mii_if_info mii;
160 struct timer_list check_timer;
161 void __iomem *reg;
162 unsigned int rxirq;
163 unsigned int txirq;
164 unsigned int cur_tx;
165 unsigned int cur_rx;
166 unsigned int finish_tx;
167 unsigned int rx_packets;
168 unsigned int rx_bytes;
169 unsigned int start_tx_ptr;
170 unsigned int start_rx_ptr;
171 unsigned int linkflag;
172 spinlock_t lock;
173};
174
175static void update_linkspeed_register(struct net_device *dev,
176 unsigned int speed, unsigned int duplex)
177{
178 struct w90p910_ether *ether = netdev_priv(dev);
179 unsigned int val;
180
181 val = __raw_readl(ether->reg + REG_MCMDR);
182
183 if (speed == SPEED_100) {
184 /* 100 full/half duplex */
185 if (duplex == DUPLEX_FULL) {
186 val |= (MCMDR_OPMOD | MCMDR_FDUP);
187 } else {
188 val |= MCMDR_OPMOD;
189 val &= ~MCMDR_FDUP;
190 }
191 } else {
192 /* 10 full/half duplex */
193 if (duplex == DUPLEX_FULL) {
194 val |= MCMDR_FDUP;
195 val &= ~MCMDR_OPMOD;
196 } else {
197 val &= ~(MCMDR_FDUP | MCMDR_OPMOD);
198 }
199 }
200
201 __raw_writel(val, ether->reg + REG_MCMDR);
202}
203
204static void update_linkspeed(struct net_device *dev)
205{
206 struct w90p910_ether *ether = netdev_priv(dev);
207 struct platform_device *pdev;
208 unsigned int bmsr, bmcr, lpa, speed, duplex;
209
210 pdev = ether->pdev;
211
212 if (!mii_link_ok(&ether->mii)) {
213 ether->linkflag = 0x0;
214 netif_carrier_off(dev);
215 dev_warn(&pdev->dev, "%s: Link down.\n", dev->name);
216 return;
217 }
218
219 if (ether->linkflag == 1)
220 return;
221
222 bmsr = w90p910_mdio_read(dev, ether->mii.phy_id, MII_BMSR);
223 bmcr = w90p910_mdio_read(dev, ether->mii.phy_id, MII_BMCR);
224
225 if (bmcr & BMCR_ANENABLE) {
226 if (!(bmsr & BMSR_ANEGCOMPLETE))
227 return;
228
229 lpa = w90p910_mdio_read(dev, ether->mii.phy_id, MII_LPA);
230
231 if ((lpa & LPA_100FULL) || (lpa & LPA_100HALF))
232 speed = SPEED_100;
233 else
234 speed = SPEED_10;
235
236 if ((lpa & LPA_100FULL) || (lpa & LPA_10FULL))
237 duplex = DUPLEX_FULL;
238 else
239 duplex = DUPLEX_HALF;
240
241 } else {
242 speed = (bmcr & BMCR_SPEED100) ? SPEED_100 : SPEED_10;
243 duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
244 }
245
246 update_linkspeed_register(dev, speed, duplex);
247
248 dev_info(&pdev->dev, "%s: Link now %i-%s\n", dev->name, speed,
249 (duplex == DUPLEX_FULL) ? "FullDuplex" : "HalfDuplex");
250 ether->linkflag = 0x01;
251
252 netif_carrier_on(dev);
253}
254
255static void w90p910_check_link(unsigned long dev_id)
256{
257 struct net_device *dev = (struct net_device *) dev_id;
258 struct w90p910_ether *ether = netdev_priv(dev);
259
260 update_linkspeed(dev);
261 mod_timer(&ether->check_timer, jiffies + msecs_to_jiffies(1000));
262}
263
264static void w90p910_write_cam(struct net_device *dev,
265 unsigned int x, unsigned char *pval)
266{
267 struct w90p910_ether *ether = netdev_priv(dev);
268 unsigned int msw, lsw;
269
270 msw = (pval[0] << 24) | (pval[1] << 16) | (pval[2] << 8) | pval[3];
271
272 lsw = (pval[4] << 24) | (pval[5] << 16);
273
274 __raw_writel(lsw, ether->reg + REG_CAML_BASE + x * CAM_ENTRY_SIZE);
275 __raw_writel(msw, ether->reg + REG_CAMM_BASE + x * CAM_ENTRY_SIZE);
276}
277
278static void w90p910_init_desc(struct net_device *dev)
279{
280 struct w90p910_ether *ether;
281 struct w90p910_txbd *tdesc, *tdesc_phys;
282 struct w90p910_rxbd *rdesc, *rdesc_phys;
283 unsigned int i, j;
284
285 ether = netdev_priv(dev);
286
287 ether->tdesc = (struct tran_pdesc *)
288 dma_alloc_coherent(NULL, sizeof(struct tran_pdesc),
289 (dma_addr_t *) &ether->tdesc_phys, GFP_KERNEL);
290
291 ether->rdesc = (struct recv_pdesc *)
292 dma_alloc_coherent(NULL, sizeof(struct recv_pdesc),
293 (dma_addr_t *) &ether->rdesc_phys, GFP_KERNEL);
294
295 for (i = 0; i < TX_DESC_SIZE; i++) {
296 tdesc = &(ether->tdesc->desclist[i]);
297
298 j = ((i + 1) / TX_DESC_SIZE);
299
300 if (j != 0) {
301 tdesc_phys = &(ether->tdesc_phys->desclist[0]);
302 ether->start_tx_ptr = (unsigned int)tdesc_phys;
303 tdesc->next = (unsigned int)ether->start_tx_ptr;
304 } else {
305 tdesc_phys = &(ether->tdesc_phys->desclist[i+1]);
306 tdesc->next = (unsigned int)tdesc_phys;
307 }
308
309 tdesc->buffer = (unsigned int)ether->tdesc_phys->tran_buf[i];
310 tdesc->sl = 0;
311 tdesc->mode = 0;
312 }
313
314 for (i = 0; i < RX_DESC_SIZE; i++) {
315 rdesc = &(ether->rdesc->desclist[i]);
316
317 j = ((i + 1) / RX_DESC_SIZE);
318
319 if (j != 0) {
320 rdesc_phys = &(ether->rdesc_phys->desclist[0]);
321 ether->start_rx_ptr = (unsigned int)rdesc_phys;
322 rdesc->next = (unsigned int)ether->start_rx_ptr;
323 } else {
324 rdesc_phys = &(ether->rdesc_phys->desclist[i+1]);
325 rdesc->next = (unsigned int)rdesc_phys;
326 }
327
328 rdesc->sl = RX_OWEN_DMA;
329 rdesc->buffer = (unsigned int)ether->rdesc_phys->recv_buf[i];
330 }
331}
332
333static void w90p910_set_fifo_threshold(struct net_device *dev)
334{
335 struct w90p910_ether *ether = netdev_priv(dev);
336 unsigned int val;
337
338 val = TXTHD | BLENGTH;
339 __raw_writel(val, ether->reg + REG_FFTCR);
340}
341
342static void w90p910_return_default_idle(struct net_device *dev)
343{
344 struct w90p910_ether *ether = netdev_priv(dev);
345 unsigned int val;
346
347 val = __raw_readl(ether->reg + REG_MCMDR);
348 val |= SWR;
349 __raw_writel(val, ether->reg + REG_MCMDR);
350}
351
352static void w90p910_trigger_rx(struct net_device *dev)
353{
354 struct w90p910_ether *ether = netdev_priv(dev);
355
356 __raw_writel(ENSTART, ether->reg + REG_RSDR);
357}
358
359static void w90p910_trigger_tx(struct net_device *dev)
360{
361 struct w90p910_ether *ether = netdev_priv(dev);
362
363 __raw_writel(ENSTART, ether->reg + REG_TSDR);
364}
365
366static void w90p910_enable_mac_interrupt(struct net_device *dev)
367{
368 struct w90p910_ether *ether = netdev_priv(dev);
369 unsigned int val;
370
371 val = ENTXINTR | ENRXINTR | ENRXGD | ENTXCP;
372 val |= ENTXBERR | ENRXBERR | ENTXABT;
373
374 __raw_writel(val, ether->reg + REG_MIEN);
375}
376
377static void w90p910_get_and_clear_int(struct net_device *dev,
378 unsigned int *val)
379{
380 struct w90p910_ether *ether = netdev_priv(dev);
381
382 *val = __raw_readl(ether->reg + REG_MISTA);
383 __raw_writel(*val, ether->reg + REG_MISTA);
384}
385
386static void w90p910_set_global_maccmd(struct net_device *dev)
387{
388 struct w90p910_ether *ether = netdev_priv(dev);
389 unsigned int val;
390
391 val = __raw_readl(ether->reg + REG_MCMDR);
392 val |= MCMDR_SPCRC | MCMDR_ENMDC | MCMDR_ACP | ENMDC;
393 __raw_writel(val, ether->reg + REG_MCMDR);
394}
395
396static void w90p910_enable_cam(struct net_device *dev)
397{
398 struct w90p910_ether *ether = netdev_priv(dev);
399 unsigned int val;
400
401 w90p910_write_cam(dev, CAM0, dev->dev_addr);
402
403 val = __raw_readl(ether->reg + REG_CAMEN);
404 val |= CAM0EN;
405 __raw_writel(val, ether->reg + REG_CAMEN);
406}
407
408static void w90p910_enable_cam_command(struct net_device *dev)
409{
410 struct w90p910_ether *ether = netdev_priv(dev);
411 unsigned int val;
412
413 val = CAMCMR_ECMP | CAMCMR_ABP | CAMCMR_AMP;
414 __raw_writel(val, ether->reg + REG_CAMCMR);
415}
416
417static void w90p910_enable_tx(struct net_device *dev, unsigned int enable)
418{
419 struct w90p910_ether *ether = netdev_priv(dev);
420 unsigned int val;
421
422 val = __raw_readl(ether->reg + REG_MCMDR);
423
424 if (enable)
425 val |= MCMDR_TXON;
426 else
427 val &= ~MCMDR_TXON;
428
429 __raw_writel(val, ether->reg + REG_MCMDR);
430}
431
432static void w90p910_enable_rx(struct net_device *dev, unsigned int enable)
433{
434 struct w90p910_ether *ether = netdev_priv(dev);
435 unsigned int val;
436
437 val = __raw_readl(ether->reg + REG_MCMDR);
438
439 if (enable)
440 val |= MCMDR_RXON;
441 else
442 val &= ~MCMDR_RXON;
443
444 __raw_writel(val, ether->reg + REG_MCMDR);
445}
446
447static void w90p910_set_curdest(struct net_device *dev)
448{
449 struct w90p910_ether *ether = netdev_priv(dev);
450
451 __raw_writel(ether->start_rx_ptr, ether->reg + REG_RXDLSA);
452 __raw_writel(ether->start_tx_ptr, ether->reg + REG_TXDLSA);
453}
454
455static void w90p910_reset_mac(struct net_device *dev)
456{
457 struct w90p910_ether *ether = netdev_priv(dev);
458
459 spin_lock(&ether->lock);
460
461 w90p910_enable_tx(dev, 0);
462 w90p910_enable_rx(dev, 0);
463 w90p910_set_fifo_threshold(dev);
464 w90p910_return_default_idle(dev);
465
466 if (!netif_queue_stopped(dev))
467 netif_stop_queue(dev);
468
469 w90p910_init_desc(dev);
470
471 dev->trans_start = jiffies;
472 ether->cur_tx = 0x0;
473 ether->finish_tx = 0x0;
474 ether->cur_rx = 0x0;
475
476 w90p910_set_curdest(dev);
477 w90p910_enable_cam(dev);
478 w90p910_enable_cam_command(dev);
479 w90p910_enable_mac_interrupt(dev);
480 w90p910_enable_tx(dev, 1);
481 w90p910_enable_rx(dev, 1);
482 w90p910_trigger_tx(dev);
483 w90p910_trigger_rx(dev);
484
485 dev->trans_start = jiffies;
486
487 if (netif_queue_stopped(dev))
488 netif_wake_queue(dev);
489
490 spin_unlock(&ether->lock);
491}
492
493static void w90p910_mdio_write(struct net_device *dev,
494 int phy_id, int reg, int data)
495{
496 struct w90p910_ether *ether = netdev_priv(dev);
497 struct platform_device *pdev;
498 unsigned int val, i;
499
500 pdev = ether->pdev;
501
502 __raw_writel(data, ether->reg + REG_MIID);
503
504 val = (phy_id << 0x08) | reg;
505 val |= PHYBUSY | PHYWR | MDCCR_VAL;
506 __raw_writel(val, ether->reg + REG_MIIDA);
507
508 for (i = 0; i < DELAY; i++) {
509 if ((__raw_readl(ether->reg + REG_MIIDA) & PHYBUSY) == 0)
510 break;
511 }
512
513 if (i == DELAY)
514 dev_warn(&pdev->dev, "mdio write timed out\n");
515}
516
517static int w90p910_mdio_read(struct net_device *dev, int phy_id, int reg)
518{
519 struct w90p910_ether *ether = netdev_priv(dev);
520 struct platform_device *pdev;
521 unsigned int val, i, data;
522
523 pdev = ether->pdev;
524
525 val = (phy_id << 0x08) | reg;
526 val |= PHYBUSY | MDCCR_VAL;
527 __raw_writel(val, ether->reg + REG_MIIDA);
528
529 for (i = 0; i < DELAY; i++) {
530 if ((__raw_readl(ether->reg + REG_MIIDA) & PHYBUSY) == 0)
531 break;
532 }
533
534 if (i == DELAY) {
535 dev_warn(&pdev->dev, "mdio read timed out\n");
536 data = 0xffff;
537 } else {
538 data = __raw_readl(ether->reg + REG_MIID);
539 }
540
541 return data;
542}
543
544static int set_mac_address(struct net_device *dev, void *addr)
545{
546 struct sockaddr *address = addr;
547
548 if (!is_valid_ether_addr(address->sa_data))
549 return -EADDRNOTAVAIL;
550
551 memcpy(dev->dev_addr, address->sa_data, dev->addr_len);
552 w90p910_write_cam(dev, CAM0, dev->dev_addr);
553
554 return 0;
555}
556
557static int w90p910_ether_close(struct net_device *dev)
558{
559 struct w90p910_ether *ether = netdev_priv(dev);
560
561 dma_free_writecombine(NULL, sizeof(struct w90p910_rxbd),
562 ether->rdesc, (dma_addr_t)ether->rdesc_phys);
563 dma_free_writecombine(NULL, sizeof(struct w90p910_txbd),
564 ether->tdesc, (dma_addr_t)ether->tdesc_phys);
565
566 netif_stop_queue(dev);
567
568 del_timer_sync(&ether->check_timer);
569 clk_disable(ether->rmiiclk);
570 clk_disable(ether->clk);
571
572 free_irq(ether->txirq, dev);
573 free_irq(ether->rxirq, dev);
574
575 return 0;
576}
577
578static struct net_device_stats *w90p910_ether_stats(struct net_device *dev)
579{
580 struct w90p910_ether *ether;
581
582 ether = netdev_priv(dev);
583
584 return &ether->stats;
585}
586
587static int w90p910_send_frame(struct net_device *dev,
588 unsigned char *data, int length)
589{
590 struct w90p910_ether *ether;
591 struct w90p910_txbd *txbd;
592 struct platform_device *pdev;
593 unsigned char *buffer;
594
595 ether = netdev_priv(dev);
596 pdev = ether->pdev;
597
598 txbd = &ether->tdesc->desclist[ether->cur_tx];
599 buffer = ether->tdesc->tran_buf[ether->cur_tx];
600 if (length > 1514) {
601 dev_err(&pdev->dev, "send data %d bytes, check it\n", length);
602 length = 1514;
603 }
604
605 txbd->sl = length & 0xFFFF;
606
607 memcpy(buffer, data, length);
608
609 txbd->mode = TX_OWEN_DMA | PADDINGMODE | CRCMODE | MACTXINTEN;
610
611 w90p910_enable_tx(dev, 1);
612
613 w90p910_trigger_tx(dev);
614
615 ether->cur_tx = (ether->cur_tx+1) % TX_DESC_SIZE;
616 txbd = &ether->tdesc->desclist[ether->cur_tx];
617
618 dev->trans_start = jiffies;
619
620 if (txbd->mode & TX_OWEN_DMA)
621 netif_stop_queue(dev);
622
623 return 0;
624}
625
626static int w90p910_ether_start_xmit(struct sk_buff *skb, struct net_device *dev)
627{
628 struct w90p910_ether *ether = netdev_priv(dev);
629
630 if (!(w90p910_send_frame(dev, skb->data, skb->len))) {
631 ether->skb = skb;
632 dev_kfree_skb_irq(skb);
633 return 0;
634 }
635 return -1;
636}
637
638static irqreturn_t w90p910_tx_interrupt(int irq, void *dev_id)
639{
640 struct w90p910_ether *ether;
641 struct w90p910_txbd *txbd;
642 struct platform_device *pdev;
643 struct tran_pdesc *tran_pdesc;
644 struct net_device *dev;
645 unsigned int cur_entry, entry, status;
646
647 dev = (struct net_device *)dev_id;
648 ether = netdev_priv(dev);
649 pdev = ether->pdev;
650
651 spin_lock(&ether->lock);
652
653 w90p910_get_and_clear_int(dev, &status);
654
655 cur_entry = __raw_readl(ether->reg + REG_CTXDSA);
656
657 tran_pdesc = ether->tdesc_phys;
658 entry = (unsigned int)(&tran_pdesc->desclist[ether->finish_tx]);
659
660 while (entry != cur_entry) {
661 txbd = &ether->tdesc->desclist[ether->finish_tx];
662
663 ether->finish_tx = (ether->finish_tx + 1) % TX_DESC_SIZE;
664
665 if (txbd->sl & TXDS_TXCP) {
666 ether->stats.tx_packets++;
667 ether->stats.tx_bytes += txbd->sl & 0xFFFF;
668 } else {
669 ether->stats.tx_errors++;
670 }
671
672 txbd->sl = 0x0;
673 txbd->mode = 0x0;
674
675 if (netif_queue_stopped(dev))
676 netif_wake_queue(dev);
677
678 entry = (unsigned int)(&tran_pdesc->desclist[ether->finish_tx]);
679 }
680
681 if (status & MISTA_EXDEF) {
682 dev_err(&pdev->dev, "emc defer exceed interrupt\n");
683 } else if (status & MISTA_TXBERR) {
684 dev_err(&pdev->dev, "emc bus error interrupt\n");
685 w90p910_reset_mac(dev);
686 } else if (status & MISTA_TDU) {
687 if (netif_queue_stopped(dev))
688 netif_wake_queue(dev);
689 }
690
691 spin_unlock(&ether->lock);
692
693 return IRQ_HANDLED;
694}
695
696static void netdev_rx(struct net_device *dev)
697{
698 struct w90p910_ether *ether;
699 struct w90p910_rxbd *rxbd;
700 struct platform_device *pdev;
701 struct recv_pdesc *rdesc_phys;
702 struct sk_buff *skb;
703 unsigned char *data;
704 unsigned int length, status, val, entry;
705
706 ether = netdev_priv(dev);
707 pdev = ether->pdev;
708 rdesc_phys = ether->rdesc_phys;
709
710 rxbd = &ether->rdesc->desclist[ether->cur_rx];
711
712 do {
713 val = __raw_readl(ether->reg + REG_CRXDSA);
714 entry = (unsigned int)&rdesc_phys->desclist[ether->cur_rx];
715
716 if (val == entry)
717 break;
718
719 status = rxbd->sl;
720 length = status & 0xFFFF;
721
722 if (status & RXDS_RXGD) {
723 data = ether->rdesc->recv_buf[ether->cur_rx];
724 skb = dev_alloc_skb(length+2);
725 if (!skb) {
726 dev_err(&pdev->dev, "get skb buffer error\n");
727 ether->stats.rx_dropped++;
728 return;
729 }
730
731 skb->dev = dev;
732 skb_reserve(skb, 2);
733 skb_put(skb, length);
734 skb_copy_to_linear_data(skb, data, length);
735 skb->protocol = eth_type_trans(skb, dev);
736 ether->stats.rx_packets++;
737 ether->stats.rx_bytes += length;
738 netif_rx(skb);
739 } else {
740 ether->stats.rx_errors++;
741
742 if (status & RXDS_RP) {
743 dev_err(&pdev->dev, "rx runt err\n");
744 ether->stats.rx_length_errors++;
745 } else if (status & RXDS_CRCE) {
746 dev_err(&pdev->dev, "rx crc err\n");
747 ether->stats.rx_crc_errors++;
748 }
749
750 if (status & RXDS_ALIE) {
751 dev_err(&pdev->dev, "rx aligment err\n");
752 ether->stats.rx_frame_errors++;
753 } else if (status & RXDS_PTLE) {
754 dev_err(&pdev->dev, "rx longer err\n");
755 ether->stats.rx_over_errors++;
756 }
757 }
758
759 rxbd->sl = RX_OWEN_DMA;
760 rxbd->reserved = 0x0;
761 ether->cur_rx = (ether->cur_rx+1) % RX_DESC_SIZE;
762 rxbd = &ether->rdesc->desclist[ether->cur_rx];
763
764 dev->last_rx = jiffies;
765 } while (1);
766}
767
768static irqreturn_t w90p910_rx_interrupt(int irq, void *dev_id)
769{
770 struct net_device *dev;
771 struct w90p910_ether *ether;
772 struct platform_device *pdev;
773 unsigned int status;
774
775 dev = (struct net_device *)dev_id;
776 ether = netdev_priv(dev);
777 pdev = ether->pdev;
778
779 spin_lock(&ether->lock);
780
781 w90p910_get_and_clear_int(dev, &status);
782
783 if (status & MISTA_RDU) {
784 netdev_rx(dev);
785
786 w90p910_trigger_rx(dev);
787
788 spin_unlock(&ether->lock);
789 return IRQ_HANDLED;
790 } else if (status & MISTA_RXBERR) {
791 dev_err(&pdev->dev, "emc rx bus error\n");
792 w90p910_reset_mac(dev);
793 }
794
795 netdev_rx(dev);
796 spin_unlock(&ether->lock);
797 return IRQ_HANDLED;
798}
799
800static int w90p910_ether_open(struct net_device *dev)
801{
802 struct w90p910_ether *ether;
803 struct platform_device *pdev;
804
805 ether = netdev_priv(dev);
806 pdev = ether->pdev;
807
808 w90p910_reset_mac(dev);
809 w90p910_set_fifo_threshold(dev);
810 w90p910_set_curdest(dev);
811 w90p910_enable_cam(dev);
812 w90p910_enable_cam_command(dev);
813 w90p910_enable_mac_interrupt(dev);
814 w90p910_set_global_maccmd(dev);
815 w90p910_enable_rx(dev, 1);
816
817 ether->rx_packets = 0x0;
818 ether->rx_bytes = 0x0;
819
820 if (request_irq(ether->txirq, w90p910_tx_interrupt,
821 0x0, pdev->name, dev)) {
822 dev_err(&pdev->dev, "register irq tx failed\n");
823 return -EAGAIN;
824 }
825
826 if (request_irq(ether->rxirq, w90p910_rx_interrupt,
827 0x0, pdev->name, dev)) {
828 dev_err(&pdev->dev, "register irq rx failed\n");
829 return -EAGAIN;
830 }
831
832 mod_timer(&ether->check_timer, jiffies + msecs_to_jiffies(1000));
833 netif_start_queue(dev);
834 w90p910_trigger_rx(dev);
835
836 dev_info(&pdev->dev, "%s is OPENED\n", dev->name);
837
838 return 0;
839}
840
841static void w90p910_ether_set_multicast_list(struct net_device *dev)
842{
843 struct w90p910_ether *ether;
844 unsigned int rx_mode;
845
846 ether = netdev_priv(dev);
847
848 if (dev->flags & IFF_PROMISC)
849 rx_mode = CAMCMR_AUP | CAMCMR_AMP | CAMCMR_ABP | CAMCMR_ECMP;
850 else if ((dev->flags & IFF_ALLMULTI) || dev->mc_list)
851 rx_mode = CAMCMR_AMP | CAMCMR_ABP | CAMCMR_ECMP;
852 else
853 rx_mode = CAMCMR_ECMP | CAMCMR_ABP;
854 __raw_writel(rx_mode, ether->reg + REG_CAMCMR);
855}
856
857static int w90p910_ether_ioctl(struct net_device *dev,
858 struct ifreq *ifr, int cmd)
859{
860 struct w90p910_ether *ether = netdev_priv(dev);
861 struct mii_ioctl_data *data = if_mii(ifr);
862
863 return generic_mii_ioctl(&ether->mii, data, cmd, NULL);
864}
865
866static void w90p910_get_drvinfo(struct net_device *dev,
867 struct ethtool_drvinfo *info)
868{
869 strcpy(info->driver, DRV_MODULE_NAME);
870 strcpy(info->version, DRV_MODULE_VERSION);
871}
872
873static int w90p910_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
874{
875 struct w90p910_ether *ether = netdev_priv(dev);
876 return mii_ethtool_gset(&ether->mii, cmd);
877}
878
879static int w90p910_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
880{
881 struct w90p910_ether *ether = netdev_priv(dev);
882 return mii_ethtool_sset(&ether->mii, cmd);
883}
884
885static int w90p910_nway_reset(struct net_device *dev)
886{
887 struct w90p910_ether *ether = netdev_priv(dev);
888 return mii_nway_restart(&ether->mii);
889}
890
891static u32 w90p910_get_link(struct net_device *dev)
892{
893 struct w90p910_ether *ether = netdev_priv(dev);
894 return mii_link_ok(&ether->mii);
895}
896
897static const struct ethtool_ops w90p910_ether_ethtool_ops = {
898 .get_settings = w90p910_get_settings,
899 .set_settings = w90p910_set_settings,
900 .get_drvinfo = w90p910_get_drvinfo,
901 .nway_reset = w90p910_nway_reset,
902 .get_link = w90p910_get_link,
903};
904
905static const struct net_device_ops w90p910_ether_netdev_ops = {
906 .ndo_open = w90p910_ether_open,
907 .ndo_stop = w90p910_ether_close,
908 .ndo_start_xmit = w90p910_ether_start_xmit,
909 .ndo_get_stats = w90p910_ether_stats,
910 .ndo_set_multicast_list = w90p910_ether_set_multicast_list,
911 .ndo_set_mac_address = set_mac_address,
912 .ndo_do_ioctl = w90p910_ether_ioctl,
913 .ndo_validate_addr = eth_validate_addr,
914 .ndo_change_mtu = eth_change_mtu,
915};
916
917static void __init get_mac_address(struct net_device *dev)
918{
919 struct w90p910_ether *ether = netdev_priv(dev);
920 struct platform_device *pdev;
921 char addr[6];
922
923 pdev = ether->pdev;
924
925 addr[0] = 0x00;
926 addr[1] = 0x02;
927 addr[2] = 0xac;
928 addr[3] = 0x55;
929 addr[4] = 0x88;
930 addr[5] = 0xa8;
931
932 if (is_valid_ether_addr(addr))
933 memcpy(dev->dev_addr, &addr, 0x06);
934 else
935 dev_err(&pdev->dev, "invalid mac address\n");
936}
937
938static int w90p910_ether_setup(struct net_device *dev)
939{
940 struct w90p910_ether *ether = netdev_priv(dev);
941
942 ether_setup(dev);
943 dev->netdev_ops = &w90p910_ether_netdev_ops;
944 dev->ethtool_ops = &w90p910_ether_ethtool_ops;
945
946 dev->tx_queue_len = 16;
947 dev->dma = 0x0;
948 dev->watchdog_timeo = TX_TIMEOUT;
949
950 get_mac_address(dev);
951
952 spin_lock_init(&ether->lock);
953
954 ether->cur_tx = 0x0;
955 ether->cur_rx = 0x0;
956 ether->finish_tx = 0x0;
957 ether->linkflag = 0x0;
958 ether->mii.phy_id = 0x01;
959 ether->mii.phy_id_mask = 0x1f;
960 ether->mii.reg_num_mask = 0x1f;
961 ether->mii.dev = dev;
962 ether->mii.mdio_read = w90p910_mdio_read;
963 ether->mii.mdio_write = w90p910_mdio_write;
964
965 setup_timer(&ether->check_timer, w90p910_check_link,
966 (unsigned long)dev);
967
968 return 0;
969}
970
971static int __devinit w90p910_ether_probe(struct platform_device *pdev)
972{
973 struct w90p910_ether *ether;
974 struct net_device *dev;
975 struct resource *res;
976 int error;
977
978 dev = alloc_etherdev(sizeof(struct w90p910_ether));
979 if (!dev)
980 return -ENOMEM;
981
982 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
983 if (res == NULL) {
984 dev_err(&pdev->dev, "failed to get I/O memory\n");
985 error = -ENXIO;
986 goto failed_free;
987 }
988
989 res = request_mem_region(res->start, resource_size(res), pdev->name);
990 if (res == NULL) {
991 dev_err(&pdev->dev, "failed to request I/O memory\n");
992 error = -EBUSY;
993 goto failed_free;
994 }
995
996 ether = netdev_priv(dev);
997
998 ether->reg = ioremap(res->start, resource_size(res));
999 if (ether->reg == NULL) {
1000 dev_err(&pdev->dev, "failed to remap I/O memory\n");
1001 error = -ENXIO;
1002 goto failed_free_mem;
1003 }
1004
1005 ether->txirq = platform_get_irq(pdev, 0);
1006 if (ether->txirq < 0) {
1007 dev_err(&pdev->dev, "failed to get ether tx irq\n");
1008 error = -ENXIO;
1009 goto failed_free_io;
1010 }
1011
1012 ether->rxirq = platform_get_irq(pdev, 1);
1013 if (ether->rxirq < 0) {
1014 dev_err(&pdev->dev, "failed to get ether rx irq\n");
1015 error = -ENXIO;
1016 goto failed_free_txirq;
1017 }
1018
1019 platform_set_drvdata(pdev, dev);
1020
1021 ether->clk = clk_get(&pdev->dev, NULL);
1022 if (IS_ERR(ether->clk)) {
1023 dev_err(&pdev->dev, "failed to get ether clock\n");
1024 error = PTR_ERR(ether->clk);
1025 goto failed_free_rxirq;
1026 }
1027
1028 ether->rmiiclk = clk_get(&pdev->dev, "RMII");
1029 if (IS_ERR(ether->rmiiclk)) {
1030 dev_err(&pdev->dev, "failed to get ether clock\n");
1031 error = PTR_ERR(ether->rmiiclk);
1032 goto failed_put_clk;
1033 }
1034
1035 ether->pdev = pdev;
1036
1037 w90p910_ether_setup(dev);
1038
1039 error = register_netdev(dev);
1040 if (error != 0) {
1041 dev_err(&pdev->dev, "Regiter EMC w90p910 FAILED\n");
1042 error = -ENODEV;
1043 goto failed_put_rmiiclk;
1044 }
1045
1046 return 0;
1047failed_put_rmiiclk:
1048 clk_put(ether->rmiiclk);
1049failed_put_clk:
1050 clk_put(ether->clk);
1051failed_free_rxirq:
1052 free_irq(ether->rxirq, pdev);
1053 platform_set_drvdata(pdev, NULL);
1054failed_free_txirq:
1055 free_irq(ether->txirq, pdev);
1056failed_free_io:
1057 iounmap(ether->reg);
1058failed_free_mem:
1059 release_mem_region(res->start, resource_size(res));
1060failed_free:
1061 free_netdev(dev);
1062 return error;
1063}
1064
1065static int __devexit w90p910_ether_remove(struct platform_device *pdev)
1066{
1067 struct net_device *dev = platform_get_drvdata(pdev);
1068 struct w90p910_ether *ether = netdev_priv(dev);
1069
1070 unregister_netdev(dev);
1071 clk_put(ether->rmiiclk);
1072 clk_put(ether->clk);
1073 del_timer_sync(&ether->check_timer);
1074 platform_set_drvdata(pdev, NULL);
1075 free_netdev(dev);
1076 return 0;
1077}
1078
1079static struct platform_driver w90p910_ether_driver = {
1080 .probe = w90p910_ether_probe,
1081 .remove = __devexit_p(w90p910_ether_remove),
1082 .driver = {
1083 .name = "w90p910-emc",
1084 .owner = THIS_MODULE,
1085 },
1086};
1087
1088static int __init w90p910_ether_init(void)
1089{
1090 return platform_driver_register(&w90p910_ether_driver);
1091}
1092
1093static void __exit w90p910_ether_exit(void)
1094{
1095 platform_driver_unregister(&w90p910_ether_driver);
1096}
1097
1098module_init(w90p910_ether_init);
1099module_exit(w90p910_ether_exit);
1100
1101MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
1102MODULE_DESCRIPTION("w90p910 MAC driver!");
1103MODULE_LICENSE("GPL");
1104MODULE_ALIAS("platform:w90p910-emc");
1105
diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h
index e1658ef3fcdf..2a1120ad2e74 100644
--- a/drivers/net/atl1c/atl1c.h
+++ b/drivers/net/atl1c/atl1c.h
@@ -188,14 +188,14 @@ struct atl1c_tpd_ext_desc {
188#define RRS_HDS_TYPE_DATA 2 188#define RRS_HDS_TYPE_DATA 2
189 189
190#define RRS_IS_NO_HDS_TYPE(flag) \ 190#define RRS_IS_NO_HDS_TYPE(flag) \
191 (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == 0) 191 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == 0)
192 192
193#define RRS_IS_HDS_HEAD(flag) \ 193#define RRS_IS_HDS_HEAD(flag) \
194 (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == \ 194 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \
195 RRS_HDS_TYPE_HEAD) 195 RRS_HDS_TYPE_HEAD)
196 196
197#define RRS_IS_HDS_DATA(flag) \ 197#define RRS_IS_HDS_DATA(flag) \
198 (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == \ 198 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \
199 RRS_HDS_TYPE_DATA) 199 RRS_HDS_TYPE_DATA)
200 200
201/* rrs word 3 bit 0:31 */ 201/* rrs word 3 bit 0:31 */
@@ -245,7 +245,7 @@ struct atl1c_tpd_ext_desc {
245#define RRS_PACKET_TYPE_802_3 1 245#define RRS_PACKET_TYPE_802_3 1
246#define RRS_PACKET_TYPE_ETH 0 246#define RRS_PACKET_TYPE_ETH 0
247#define RRS_PACKET_IS_ETH(word) \ 247#define RRS_PACKET_IS_ETH(word) \
248 (((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK == \ 248 ((((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK) == \
249 RRS_PACKET_TYPE_ETH) 249 RRS_PACKET_TYPE_ETH)
250#define RRS_RXD_IS_VALID(word) \ 250#define RRS_RXD_IS_VALID(word) \
251 ((((word) >> RRS_RXD_UPDATED_SHIFT) & RRS_RXD_UPDATED_MASK) == 1) 251 ((((word) >> RRS_RXD_UPDATED_SHIFT) & RRS_RXD_UPDATED_MASK) == 1)
diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index cd547a205fb9..a383122679de 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -1689,7 +1689,7 @@ static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que,
1689 if (likely(RRS_RXD_IS_VALID(rrs->word3))) { 1689 if (likely(RRS_RXD_IS_VALID(rrs->word3))) {
1690 rfd_num = (rrs->word0 >> RRS_RX_RFD_CNT_SHIFT) & 1690 rfd_num = (rrs->word0 >> RRS_RX_RFD_CNT_SHIFT) &
1691 RRS_RX_RFD_CNT_MASK; 1691 RRS_RX_RFD_CNT_MASK;
1692 if (unlikely(rfd_num) != 1) 1692 if (unlikely(rfd_num != 1))
1693 /* TODO support mul rfd*/ 1693 /* TODO support mul rfd*/
1694 if (netif_msg_rx_err(adapter)) 1694 if (netif_msg_rx_err(adapter))
1695 dev_warn(&pdev->dev, 1695 dev_warn(&pdev->dev,
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index ed648acef7cf..2ee581a2cdec 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -4212,13 +4212,14 @@ static void bnx2x_turn_off_sf(struct bnx2x *bp, u8 port)
4212u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded, 4212u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
4213 u8 *version, u16 len) 4213 u8 *version, u16 len)
4214{ 4214{
4215 struct bnx2x *bp = params->bp; 4215 struct bnx2x *bp;
4216 u32 ext_phy_type = 0; 4216 u32 ext_phy_type = 0;
4217 u32 spirom_ver = 0; 4217 u32 spirom_ver = 0;
4218 u8 status = 0 ; 4218 u8 status = 0 ;
4219 4219
4220 if (version == NULL || params == NULL) 4220 if (version == NULL || params == NULL)
4221 return -EINVAL; 4221 return -EINVAL;
4222 bp = params->bp;
4222 4223
4223 spirom_ver = REG_RD(bp, params->shmem_base + 4224 spirom_ver = REG_RD(bp, params->shmem_base +
4224 offsetof(struct shmem_region, 4225 offsetof(struct shmem_region,
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index d927f71af8a3..aa1be1feceed 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1459,8 +1459,16 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
1459 * ether type (eg ARPHRD_ETHER and ARPHRD_INFINIBAND) share the same bond 1459 * ether type (eg ARPHRD_ETHER and ARPHRD_INFINIBAND) share the same bond
1460 */ 1460 */
1461 if (bond->slave_cnt == 0) { 1461 if (bond->slave_cnt == 0) {
1462 if (slave_dev->type != ARPHRD_ETHER) 1462 if (bond_dev->type != slave_dev->type) {
1463 bond_setup_by_slave(bond_dev, slave_dev); 1463 dev_close(bond_dev);
1464 pr_debug("%s: change device type from %d to %d\n",
1465 bond_dev->name, bond_dev->type, slave_dev->type);
1466 if (slave_dev->type != ARPHRD_ETHER)
1467 bond_setup_by_slave(bond_dev, slave_dev);
1468 else
1469 ether_setup(bond_dev);
1470 dev_open(bond_dev);
1471 }
1464 } else if (bond_dev->type != slave_dev->type) { 1472 } else if (bond_dev->type != slave_dev->type) {
1465 pr_err(DRV_NAME ": %s ether type (%d) is different " 1473 pr_err(DRV_NAME ": %s ether type (%d) is different "
1466 "from other slaves (%d), can not enslave it.\n", 1474 "from other slaves (%d), can not enslave it.\n",
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 574daddc21bf..9e4283aff828 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -346,7 +346,7 @@ void can_restart(unsigned long data)
346 skb = dev_alloc_skb(sizeof(struct can_frame)); 346 skb = dev_alloc_skb(sizeof(struct can_frame));
347 if (skb == NULL) { 347 if (skb == NULL) {
348 err = -ENOMEM; 348 err = -ENOMEM;
349 goto out; 349 goto restart;
350 } 350 }
351 skb->dev = dev; 351 skb->dev = dev;
352 skb->protocol = htons(ETH_P_CAN); 352 skb->protocol = htons(ETH_P_CAN);
@@ -361,13 +361,13 @@ void can_restart(unsigned long data)
361 stats->rx_packets++; 361 stats->rx_packets++;
362 stats->rx_bytes += cf->can_dlc; 362 stats->rx_bytes += cf->can_dlc;
363 363
364restart:
364 dev_dbg(dev->dev.parent, "restarted\n"); 365 dev_dbg(dev->dev.parent, "restarted\n");
365 priv->can_stats.restarts++; 366 priv->can_stats.restarts++;
366 367
367 /* Now restart the device */ 368 /* Now restart the device */
368 err = priv->do_set_mode(dev, CAN_MODE_START); 369 err = priv->do_set_mode(dev, CAN_MODE_START);
369 370
370out:
371 netif_carrier_on(dev); 371 netif_carrier_on(dev);
372 if (err) 372 if (err)
373 dev_err(dev->dev.parent, "Error %d during restart", err); 373 dev_err(dev->dev.parent, "Error %d during restart", err);
@@ -473,6 +473,10 @@ int open_candev(struct net_device *dev)
473 return -EINVAL; 473 return -EINVAL;
474 } 474 }
475 475
476 /* Switch carrier on if device was stopped while in bus-off state */
477 if (!netif_carrier_ok(dev))
478 netif_carrier_on(dev);
479
476 setup_timer(&priv->restart_timer, can_restart, (unsigned long)dev); 480 setup_timer(&priv->restart_timer, can_restart, (unsigned long)dev);
477 481
478 return 0; 482 return 0;
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 571f133a8fec..08ebee79d8a6 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -63,7 +63,6 @@
63#include <linux/can.h> 63#include <linux/can.h>
64#include <linux/can/dev.h> 64#include <linux/can/dev.h>
65#include <linux/can/error.h> 65#include <linux/can/error.h>
66#include <linux/can/dev.h>
67 66
68#include "sja1000.h" 67#include "sja1000.h"
69 68
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index efa680f4b8dd..41b648a67fec 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1897,6 +1897,9 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx,
1897 1897
1898 if (ioread8(&nic->csr->scb.status) & rus_no_res) 1898 if (ioread8(&nic->csr->scb.status) & rus_no_res)
1899 nic->ru_running = RU_SUSPENDED; 1899 nic->ru_running = RU_SUSPENDED;
1900 pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,
1901 sizeof(struct rfd),
1902 PCI_DMA_BIDIRECTIONAL);
1900 return -ENODATA; 1903 return -ENODATA;
1901 } 1904 }
1902 1905
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 155160052c8b..981ab530e9ac 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -3,7 +3,7 @@
3 * devices like TTY. It interfaces between a raw TTY and the 3 * devices like TTY. It interfaces between a raw TTY and the
4 * kernel's AX.25 protocol layers. 4 * kernel's AX.25 protocol layers.
5 * 5 *
6 * Authors: Andreas Könsgen <ajk@iehk.rwth-aachen.de> 6 * Authors: Andreas Könsgen <ajk@comnets.uni-bremen.de>
7 * Ralf Baechle DL5RB <ralf@linux-mips.org> 7 * Ralf Baechle DL5RB <ralf@linux-mips.org>
8 * 8 *
9 * Quite a lot of stuff "stolen" by Joerg Reuter from slip.c, written by 9 * Quite a lot of stuff "stolen" by Joerg Reuter from slip.c, written by
diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c
index 1d5379de6900..8d76cb89dbd6 100644
--- a/drivers/net/ibm_newemac/rgmii.c
+++ b/drivers/net/ibm_newemac/rgmii.c
@@ -188,11 +188,12 @@ void rgmii_put_mdio(struct of_device *ofdev, int input)
188void rgmii_detach(struct of_device *ofdev, int input) 188void rgmii_detach(struct of_device *ofdev, int input)
189{ 189{
190 struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); 190 struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev);
191 struct rgmii_regs __iomem *p = dev->base; 191 struct rgmii_regs __iomem *p;
192
193 mutex_lock(&dev->lock);
194 192
195 BUG_ON(!dev || dev->users == 0); 193 BUG_ON(!dev || dev->users == 0);
194 p = dev->base;
195
196 mutex_lock(&dev->lock);
196 197
197 RGMII_DBG(dev, "detach(%d)" NL, input); 198 RGMII_DBG(dev, "detach(%d)" NL, input);
198 199
diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
index 7c5978ad929a..da2c8514b8d0 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -106,8 +106,6 @@ static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
106{ 106{
107 struct ixgbe_adapter *adapter = netdev_priv(netdev); 107 struct ixgbe_adapter *adapter = netdev_priv(netdev);
108 108
109 DPRINTK(DRV, INFO, "Get DCB Admin Mode.\n");
110
111 return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED); 109 return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED);
112} 110}
113 111
@@ -116,8 +114,6 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
116 u8 err = 0; 114 u8 err = 0;
117 struct ixgbe_adapter *adapter = netdev_priv(netdev); 115 struct ixgbe_adapter *adapter = netdev_priv(netdev);
118 116
119 DPRINTK(DRV, INFO, "Set DCB Admin Mode.\n");
120
121 if (state > 0) { 117 if (state > 0) {
122 /* Turn on DCB */ 118 /* Turn on DCB */
123 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) 119 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
@@ -175,6 +171,8 @@ static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
175 struct ixgbe_adapter *adapter = netdev_priv(netdev); 171 struct ixgbe_adapter *adapter = netdev_priv(netdev);
176 int i, j; 172 int i, j;
177 173
174 memset(perm_addr, 0xff, MAX_ADDR_LEN);
175
178 for (i = 0; i < netdev->addr_len; i++) 176 for (i = 0; i < netdev->addr_len; i++)
179 perm_addr[i] = adapter->hw.mac.perm_addr[i]; 177 perm_addr[i] = adapter->hw.mac.perm_addr[i];
180 178
diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c
index d12106b47bf2..2f286091394d 100644
--- a/drivers/net/jazzsonic.c
+++ b/drivers/net/jazzsonic.c
@@ -229,6 +229,7 @@ static int __init jazz_sonic_probe(struct platform_device *pdev)
229 lp = netdev_priv(dev); 229 lp = netdev_priv(dev);
230 lp->device = &pdev->dev; 230 lp->device = &pdev->dev;
231 SET_NETDEV_DEV(dev, &pdev->dev); 231 SET_NETDEV_DEV(dev, &pdev->dev);
232 platform_set_drvdata(pdev, dev);
232 233
233 netdev_boot_setup_check(dev); 234 netdev_boot_setup_check(dev);
234 235
diff --git a/drivers/net/ks8851.c b/drivers/net/ks8851.c
new file mode 100644
index 000000000000..9a1dea60c1c4
--- /dev/null
+++ b/drivers/net/ks8851.c
@@ -0,0 +1,1322 @@
1/* drivers/net/ks8651.c
2 *
3 * Copyright 2009 Simtec Electronics
4 * http://www.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#define DEBUG
13
14#include <linux/module.h>
15#include <linux/kernel.h>
16#include <linux/netdevice.h>
17#include <linux/etherdevice.h>
18#include <linux/ethtool.h>
19#include <linux/cache.h>
20#include <linux/crc32.h>
21#include <linux/mii.h>
22
23#include <linux/spi/spi.h>
24
25#include "ks8851.h"
26
27/**
28 * struct ks8851_rxctrl - KS8851 driver rx control
29 * @mchash: Multicast hash-table data.
30 * @rxcr1: KS_RXCR1 register setting
31 * @rxcr2: KS_RXCR2 register setting
32 *
33 * Representation of the settings needs to control the receive filtering
34 * such as the multicast hash-filter and the receive register settings. This
35 * is used to make the job of working out if the receive settings change and
36 * then issuing the new settings to the worker that will send the necessary
37 * commands.
38 */
39struct ks8851_rxctrl {
40 u16 mchash[4];
41 u16 rxcr1;
42 u16 rxcr2;
43};
44
45/**
46 * union ks8851_tx_hdr - tx header data
47 * @txb: The header as bytes
48 * @txw: The header as 16bit, little-endian words
49 *
50 * A dual representation of the tx header data to allow
51 * access to individual bytes, and to allow 16bit accesses
52 * with 16bit alignment.
53 */
54union ks8851_tx_hdr {
55 u8 txb[6];
56 __le16 txw[3];
57};
58
59/**
60 * struct ks8851_net - KS8851 driver private data
61 * @netdev: The network device we're bound to
62 * @spidev: The spi device we're bound to.
63 * @lock: Lock to ensure that the device is not accessed when busy.
64 * @statelock: Lock on this structure for tx list.
65 * @mii: The MII state information for the mii calls.
66 * @rxctrl: RX settings for @rxctrl_work.
67 * @tx_work: Work queue for tx packets
68 * @irq_work: Work queue for servicing interrupts
69 * @rxctrl_work: Work queue for updating RX mode and multicast lists
70 * @txq: Queue of packets for transmission.
71 * @spi_msg1: pre-setup SPI transfer with one message, @spi_xfer1.
72 * @spi_msg2: pre-setup SPI transfer with two messages, @spi_xfer2.
73 * @txh: Space for generating packet TX header in DMA-able data
74 * @rxd: Space for receiving SPI data, in DMA-able space.
75 * @txd: Space for transmitting SPI data, in DMA-able space.
76 * @msg_enable: The message flags controlling driver output (see ethtool).
77 * @fid: Incrementing frame id tag.
78 * @rc_ier: Cached copy of KS_IER.
79 * @rc_rxqcr: Cached copy of KS_RXQCR.
80 *
81 * The @lock ensures that the chip is protected when certain operations are
82 * in progress. When the read or write packet transfer is in progress, most
83 * of the chip registers are not ccessible until the transfer is finished and
84 * the DMA has been de-asserted.
85 *
86 * The @statelock is used to protect information in the structure which may
87 * need to be accessed via several sources, such as the network driver layer
88 * or one of the work queues.
89 *
90 * We align the buffers we may use for rx/tx to ensure that if the SPI driver
91 * wants to DMA map them, it will not have any problems with data the driver
92 * modifies.
93 */
94struct ks8851_net {
95 struct net_device *netdev;
96 struct spi_device *spidev;
97 struct mutex lock;
98 spinlock_t statelock;
99
100 union ks8851_tx_hdr txh ____cacheline_aligned;
101 u8 rxd[8];
102 u8 txd[8];
103
104 u32 msg_enable ____cacheline_aligned;
105 u16 tx_space;
106 u8 fid;
107
108 u16 rc_ier;
109 u16 rc_rxqcr;
110
111 struct mii_if_info mii;
112 struct ks8851_rxctrl rxctrl;
113
114 struct work_struct tx_work;
115 struct work_struct irq_work;
116 struct work_struct rxctrl_work;
117
118 struct sk_buff_head txq;
119
120 struct spi_message spi_msg1;
121 struct spi_message spi_msg2;
122 struct spi_transfer spi_xfer1;
123 struct spi_transfer spi_xfer2[2];
124};
125
126static int msg_enable;
127
128#define ks_info(_ks, _msg...) dev_info(&(_ks)->spidev->dev, _msg)
129#define ks_warn(_ks, _msg...) dev_warn(&(_ks)->spidev->dev, _msg)
130#define ks_dbg(_ks, _msg...) dev_dbg(&(_ks)->spidev->dev, _msg)
131#define ks_err(_ks, _msg...) dev_err(&(_ks)->spidev->dev, _msg)
132
133/* shift for byte-enable data */
134#define BYTE_EN(_x) ((_x) << 2)
135
136/* turn register number and byte-enable mask into data for start of packet */
137#define MK_OP(_byteen, _reg) (BYTE_EN(_byteen) | (_reg) << (8+2) | (_reg) >> 6)
138
139/* SPI register read/write calls.
140 *
141 * All these calls issue SPI transactions to access the chip's registers. They
142 * all require that the necessary lock is held to prevent accesses when the
143 * chip is busy transfering packet data (RX/TX FIFO accesses).
144 */
145
146/**
147 * ks8851_wrreg16 - write 16bit register value to chip
148 * @ks: The chip state
149 * @reg: The register address
150 * @val: The value to write
151 *
152 * Issue a write to put the value @val into the register specified in @reg.
153 */
154static void ks8851_wrreg16(struct ks8851_net *ks, unsigned reg, unsigned val)
155{
156 struct spi_transfer *xfer = &ks->spi_xfer1;
157 struct spi_message *msg = &ks->spi_msg1;
158 __le16 txb[2];
159 int ret;
160
161 txb[0] = cpu_to_le16(MK_OP(reg & 2 ? 0xC : 0x03, reg) | KS_SPIOP_WR);
162 txb[1] = cpu_to_le16(val);
163
164 xfer->tx_buf = txb;
165 xfer->rx_buf = NULL;
166 xfer->len = 4;
167
168 ret = spi_sync(ks->spidev, msg);
169 if (ret < 0)
170 ks_err(ks, "spi_sync() failed\n");
171}
172
173/**
174 * ks8851_rx_1msg - select whether to use one or two messages for spi read
175 * @ks: The device structure
176 *
177 * Return whether to generate a single message with a tx and rx buffer
178 * supplied to spi_sync(), or alternatively send the tx and rx buffers
179 * as separate messages.
180 *
181 * Depending on the hardware in use, a single message may be more efficient
182 * on interrupts or work done by the driver.
183 *
184 * This currently always returns true until we add some per-device data passed
185 * from the platform code to specify which mode is better.
186 */
187static inline bool ks8851_rx_1msg(struct ks8851_net *ks)
188{
189 return true;
190}
191
192/**
193 * ks8851_rdreg - issue read register command and return the data
194 * @ks: The device state
195 * @op: The register address and byte enables in message format.
196 * @rxb: The RX buffer to return the result into
197 * @rxl: The length of data expected.
198 *
199 * This is the low level read call that issues the necessary spi message(s)
200 * to read data from the register specified in @op.
201 */
202static void ks8851_rdreg(struct ks8851_net *ks, unsigned op,
203 u8 *rxb, unsigned rxl)
204{
205 struct spi_transfer *xfer;
206 struct spi_message *msg;
207 __le16 *txb = (__le16 *)ks->txd;
208 u8 *trx = ks->rxd;
209 int ret;
210
211 txb[0] = cpu_to_le16(op | KS_SPIOP_RD);
212
213 if (ks8851_rx_1msg(ks)) {
214 msg = &ks->spi_msg1;
215 xfer = &ks->spi_xfer1;
216
217 xfer->tx_buf = txb;
218 xfer->rx_buf = trx;
219 xfer->len = rxl + 2;
220 } else {
221 msg = &ks->spi_msg2;
222 xfer = ks->spi_xfer2;
223
224 xfer->tx_buf = txb;
225 xfer->rx_buf = NULL;
226 xfer->len = 2;
227
228 xfer++;
229 xfer->tx_buf = NULL;
230 xfer->rx_buf = trx;
231 xfer->len = rxl;
232 }
233
234 ret = spi_sync(ks->spidev, msg);
235 if (ret < 0)
236 ks_err(ks, "read: spi_sync() failed\n");
237 else if (ks8851_rx_1msg(ks))
238 memcpy(rxb, trx + 2, rxl);
239 else
240 memcpy(rxb, trx, rxl);
241}
242
243/**
244 * ks8851_rdreg8 - read 8 bit register from device
245 * @ks: The chip information
246 * @reg: The register address
247 *
248 * Read a 8bit register from the chip, returning the result
249*/
250static unsigned ks8851_rdreg8(struct ks8851_net *ks, unsigned reg)
251{
252 u8 rxb[1];
253
254 ks8851_rdreg(ks, MK_OP(1 << (reg & 3), reg), rxb, 1);
255 return rxb[0];
256}
257
258/**
259 * ks8851_rdreg16 - read 16 bit register from device
260 * @ks: The chip information
261 * @reg: The register address
262 *
263 * Read a 16bit register from the chip, returning the result
264*/
265static unsigned ks8851_rdreg16(struct ks8851_net *ks, unsigned reg)
266{
267 __le16 rx = 0;
268
269 ks8851_rdreg(ks, MK_OP(reg & 2 ? 0xC : 0x3, reg), (u8 *)&rx, 2);
270 return le16_to_cpu(rx);
271}
272
273/**
274 * ks8851_rdreg32 - read 32 bit register from device
275 * @ks: The chip information
276 * @reg: The register address
277 *
278 * Read a 32bit register from the chip.
279 *
280 * Note, this read requires the address be aligned to 4 bytes.
281*/
282static unsigned ks8851_rdreg32(struct ks8851_net *ks, unsigned reg)
283{
284 __le32 rx = 0;
285
286 WARN_ON(reg & 3);
287
288 ks8851_rdreg(ks, MK_OP(0xf, reg), (u8 *)&rx, 4);
289 return le32_to_cpu(rx);
290}
291
292/**
293 * ks8851_soft_reset - issue one of the soft reset to the device
294 * @ks: The device state.
295 * @op: The bit(s) to set in the GRR
296 *
297 * Issue the relevant soft-reset command to the device's GRR register
298 * specified by @op.
299 *
300 * Note, the delays are in there as a caution to ensure that the reset
301 * has time to take effect and then complete. Since the datasheet does
302 * not currently specify the exact sequence, we have chosen something
303 * that seems to work with our device.
304 */
305static void ks8851_soft_reset(struct ks8851_net *ks, unsigned op)
306{
307 ks8851_wrreg16(ks, KS_GRR, op);
308 mdelay(1); /* wait a short time to effect reset */
309 ks8851_wrreg16(ks, KS_GRR, 0);
310 mdelay(1); /* wait for condition to clear */
311}
312
313/**
314 * ks8851_write_mac_addr - write mac address to device registers
315 * @dev: The network device
316 *
317 * Update the KS8851 MAC address registers from the address in @dev.
318 *
319 * This call assumes that the chip is not running, so there is no need to
320 * shutdown the RXQ process whilst setting this.
321*/
322static int ks8851_write_mac_addr(struct net_device *dev)
323{
324 struct ks8851_net *ks = netdev_priv(dev);
325 u16 *mcp = (u16 *)dev->dev_addr;
326
327 mutex_lock(&ks->lock);
328
329 ks8851_wrreg16(ks, KS_MARL, mcp[0]);
330 ks8851_wrreg16(ks, KS_MARM, mcp[1]);
331 ks8851_wrreg16(ks, KS_MARH, mcp[2]);
332
333 mutex_unlock(&ks->lock);
334
335 return 0;
336}
337
338/**
339 * ks8851_init_mac - initialise the mac address
340 * @ks: The device structure
341 *
342 * Get or create the initial mac address for the device and then set that
343 * into the station address register. Currently we assume that the device
344 * does not have a valid mac address in it, and so we use random_ether_addr()
345 * to create a new one.
346 *
347 * In future, the driver should check to see if the device has an EEPROM
348 * attached and whether that has a valid ethernet address in it.
349 */
350static void ks8851_init_mac(struct ks8851_net *ks)
351{
352 struct net_device *dev = ks->netdev;
353
354 random_ether_addr(dev->dev_addr);
355 ks8851_write_mac_addr(dev);
356}
357
358/**
359 * ks8851_irq - device interrupt handler
360 * @irq: Interrupt number passed from the IRQ hnalder.
361 * @pw: The private word passed to register_irq(), our struct ks8851_net.
362 *
363 * Disable the interrupt from happening again until we've processed the
364 * current status by scheduling ks8851_irq_work().
365 */
366static irqreturn_t ks8851_irq(int irq, void *pw)
367{
368 struct ks8851_net *ks = pw;
369
370 disable_irq_nosync(irq);
371 schedule_work(&ks->irq_work);
372 return IRQ_HANDLED;
373}
374
375/**
376 * ks8851_rdfifo - read data from the receive fifo
377 * @ks: The device state.
378 * @buff: The buffer address
379 * @len: The length of the data to read
380 *
381 * Issue an RXQ FIFO read command and read the @len ammount of data from
382 * the FIFO into the buffer specified by @buff.
383 */
384static void ks8851_rdfifo(struct ks8851_net *ks, u8 *buff, unsigned len)
385{
386 struct spi_transfer *xfer = ks->spi_xfer2;
387 struct spi_message *msg = &ks->spi_msg2;
388 u8 txb[1];
389 int ret;
390
391 if (netif_msg_rx_status(ks))
392 ks_dbg(ks, "%s: %d@%p\n", __func__, len, buff);
393
394 /* set the operation we're issuing */
395 txb[0] = KS_SPIOP_RXFIFO;
396
397 xfer->tx_buf = txb;
398 xfer->rx_buf = NULL;
399 xfer->len = 1;
400
401 xfer++;
402 xfer->rx_buf = buff;
403 xfer->tx_buf = NULL;
404 xfer->len = len;
405
406 ret = spi_sync(ks->spidev, msg);
407 if (ret < 0)
408 ks_err(ks, "%s: spi_sync() failed\n", __func__);
409}
410
411/**
412 * ks8851_dbg_dumpkkt - dump initial packet contents to debug
413 * @ks: The device state
414 * @rxpkt: The data for the received packet
415 *
416 * Dump the initial data from the packet to dev_dbg().
417*/
418static void ks8851_dbg_dumpkkt(struct ks8851_net *ks, u8 *rxpkt)
419{
420 ks_dbg(ks, "pkt %02x%02x%02x%02x %02x%02x%02x%02x %02x%02x%02x%02x\n",
421 rxpkt[4], rxpkt[5], rxpkt[6], rxpkt[7],
422 rxpkt[8], rxpkt[9], rxpkt[10], rxpkt[11],
423 rxpkt[12], rxpkt[13], rxpkt[14], rxpkt[15]);
424}
425
426/**
427 * ks8851_rx_pkts - receive packets from the host
428 * @ks: The device information.
429 *
430 * This is called from the IRQ work queue when the system detects that there
431 * are packets in the receive queue. Find out how many packets there are and
432 * read them from the FIFO.
433 */
434static void ks8851_rx_pkts(struct ks8851_net *ks)
435{
436 struct sk_buff *skb;
437 unsigned rxfc;
438 unsigned rxlen;
439 unsigned rxstat;
440 u32 rxh;
441 u8 *rxpkt;
442
443 rxfc = ks8851_rdreg8(ks, KS_RXFC);
444
445 if (netif_msg_rx_status(ks))
446 ks_dbg(ks, "%s: %d packets\n", __func__, rxfc);
447
448 /* Currently we're issuing a read per packet, but we could possibly
449 * improve the code by issuing a single read, getting the receive
450 * header, allocating the packet and then reading the packet data
451 * out in one go.
452 *
453 * This form of operation would require us to hold the SPI bus'
454 * chipselect low during the entie transaction to avoid any
455 * reset to the data stream comming from the chip.
456 */
457
458 for (; rxfc != 0; rxfc--) {
459 rxh = ks8851_rdreg32(ks, KS_RXFHSR);
460 rxstat = rxh & 0xffff;
461 rxlen = rxh >> 16;
462
463 if (netif_msg_rx_status(ks))
464 ks_dbg(ks, "rx: stat 0x%04x, len 0x%04x\n",
465 rxstat, rxlen);
466
467 /* the length of the packet includes the 32bit CRC */
468
469 /* set dma read address */
470 ks8851_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI | 0x00);
471
472 /* start the packet dma process, and set auto-dequeue rx */
473 ks8851_wrreg16(ks, KS_RXQCR,
474 ks->rc_rxqcr | RXQCR_SDA | RXQCR_ADRFE);
475
476 if (rxlen > 0) {
477 skb = netdev_alloc_skb(ks->netdev, rxlen + 2 + 8);
478 if (!skb) {
479 /* todo - dump frame and move on */
480 }
481
482 /* two bytes to ensure ip is aligned, and four bytes
483 * for the status header and 4 bytes of garbage */
484 skb_reserve(skb, 2 + 4 + 4);
485
486 rxpkt = skb_put(skb, rxlen - 4) - 8;
487
488 /* align the packet length to 4 bytes, and add 4 bytes
489 * as we're getting the rx status header as well */
490 ks8851_rdfifo(ks, rxpkt, ALIGN(rxlen, 4) + 8);
491
492 if (netif_msg_pktdata(ks))
493 ks8851_dbg_dumpkkt(ks, rxpkt);
494
495 skb->protocol = eth_type_trans(skb, ks->netdev);
496 netif_rx(skb);
497
498 ks->netdev->stats.rx_packets++;
499 ks->netdev->stats.rx_bytes += rxlen - 4;
500 }
501
502 ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
503 }
504}
505
506/**
507 * ks8851_irq_work - work queue handler for dealing with interrupt requests
508 * @work: The work structure that was scheduled by schedule_work()
509 *
510 * This is the handler invoked when the ks8851_irq() is called to find out
511 * what happened, as we cannot allow ourselves to sleep whilst waiting for
512 * anything other process has the chip's lock.
513 *
514 * Read the interrupt status, work out what needs to be done and then clear
515 * any of the interrupts that are not needed.
516 */
517static void ks8851_irq_work(struct work_struct *work)
518{
519 struct ks8851_net *ks = container_of(work, struct ks8851_net, irq_work);
520 unsigned status;
521 unsigned handled = 0;
522
523 mutex_lock(&ks->lock);
524
525 status = ks8851_rdreg16(ks, KS_ISR);
526
527 if (netif_msg_intr(ks))
528 dev_dbg(&ks->spidev->dev, "%s: status 0x%04x\n",
529 __func__, status);
530
531 if (status & IRQ_LCI) {
532 /* should do something about checking link status */
533 handled |= IRQ_LCI;
534 }
535
536 if (status & IRQ_LDI) {
537 u16 pmecr = ks8851_rdreg16(ks, KS_PMECR);
538 pmecr &= ~PMECR_WKEVT_MASK;
539 ks8851_wrreg16(ks, KS_PMECR, pmecr | PMECR_WKEVT_LINK);
540
541 handled |= IRQ_LDI;
542 }
543
544 if (status & IRQ_RXPSI)
545 handled |= IRQ_RXPSI;
546
547 if (status & IRQ_TXI) {
548 handled |= IRQ_TXI;
549
550 /* no lock here, tx queue should have been stopped */
551
552 /* update our idea of how much tx space is available to the
553 * system */
554 ks->tx_space = ks8851_rdreg16(ks, KS_TXMIR);
555
556 if (netif_msg_intr(ks))
557 ks_dbg(ks, "%s: txspace %d\n", __func__, ks->tx_space);
558 }
559
560 if (status & IRQ_RXI)
561 handled |= IRQ_RXI;
562
563 if (status & IRQ_SPIBEI) {
564 dev_err(&ks->spidev->dev, "%s: spi bus error\n", __func__);
565 handled |= IRQ_SPIBEI;
566 }
567
568 ks8851_wrreg16(ks, KS_ISR, handled);
569
570 if (status & IRQ_RXI) {
571 /* the datasheet says to disable the rx interrupt during
572 * packet read-out, however we're masking the interrupt
573 * from the device so do not bother masking just the RX
574 * from the device. */
575
576 ks8851_rx_pkts(ks);
577 }
578
579 /* if something stopped the rx process, probably due to wanting
580 * to change the rx settings, then do something about restarting
581 * it. */
582 if (status & IRQ_RXPSI) {
583 struct ks8851_rxctrl *rxc = &ks->rxctrl;
584
585 /* update the multicast hash table */
586 ks8851_wrreg16(ks, KS_MAHTR0, rxc->mchash[0]);
587 ks8851_wrreg16(ks, KS_MAHTR1, rxc->mchash[1]);
588 ks8851_wrreg16(ks, KS_MAHTR2, rxc->mchash[2]);
589 ks8851_wrreg16(ks, KS_MAHTR3, rxc->mchash[3]);
590
591 ks8851_wrreg16(ks, KS_RXCR2, rxc->rxcr2);
592 ks8851_wrreg16(ks, KS_RXCR1, rxc->rxcr1);
593 }
594
595 mutex_unlock(&ks->lock);
596
597 if (status & IRQ_TXI)
598 netif_wake_queue(ks->netdev);
599
600 enable_irq(ks->netdev->irq);
601}
602
603/**
604 * calc_txlen - calculate size of message to send packet
605 * @len: Lenght of data
606 *
607 * Returns the size of the TXFIFO message needed to send
608 * this packet.
609 */
610static inline unsigned calc_txlen(unsigned len)
611{
612 return ALIGN(len + 4, 4);
613}
614
615/**
616 * ks8851_wrpkt - write packet to TX FIFO
617 * @ks: The device state.
618 * @txp: The sk_buff to transmit.
619 * @irq: IRQ on completion of the packet.
620 *
621 * Send the @txp to the chip. This means creating the relevant packet header
622 * specifying the length of the packet and the other information the chip
623 * needs, such as IRQ on completion. Send the header and the packet data to
624 * the device.
625 */
626static void ks8851_wrpkt(struct ks8851_net *ks, struct sk_buff *txp, bool irq)
627{
628 struct spi_transfer *xfer = ks->spi_xfer2;
629 struct spi_message *msg = &ks->spi_msg2;
630 unsigned fid = 0;
631 int ret;
632
633 if (netif_msg_tx_queued(ks))
634 dev_dbg(&ks->spidev->dev, "%s: skb %p, %d@%p, irq %d\n",
635 __func__, txp, txp->len, txp->data, irq);
636
637 fid = ks->fid++;
638 fid &= TXFR_TXFID_MASK;
639
640 if (irq)
641 fid |= TXFR_TXIC; /* irq on completion */
642
643 /* start header at txb[1] to align txw entries */
644 ks->txh.txb[1] = KS_SPIOP_TXFIFO;
645 ks->txh.txw[1] = cpu_to_le16(fid);
646 ks->txh.txw[2] = cpu_to_le16(txp->len);
647
648 xfer->tx_buf = &ks->txh.txb[1];
649 xfer->rx_buf = NULL;
650 xfer->len = 5;
651
652 xfer++;
653 xfer->tx_buf = txp->data;
654 xfer->rx_buf = NULL;
655 xfer->len = ALIGN(txp->len, 4);
656
657 ret = spi_sync(ks->spidev, msg);
658 if (ret < 0)
659 ks_err(ks, "%s: spi_sync() failed\n", __func__);
660}
661
662/**
663 * ks8851_done_tx - update and then free skbuff after transmitting
664 * @ks: The device state
665 * @txb: The buffer transmitted
666 */
667static void ks8851_done_tx(struct ks8851_net *ks, struct sk_buff *txb)
668{
669 struct net_device *dev = ks->netdev;
670
671 dev->stats.tx_bytes += txb->len;
672 dev->stats.tx_packets++;
673
674 dev_kfree_skb(txb);
675}
676
677/**
678 * ks8851_tx_work - process tx packet(s)
679 * @work: The work strucutre what was scheduled.
680 *
681 * This is called when a number of packets have been scheduled for
682 * transmission and need to be sent to the device.
683 */
684static void ks8851_tx_work(struct work_struct *work)
685{
686 struct ks8851_net *ks = container_of(work, struct ks8851_net, tx_work);
687 struct sk_buff *txb;
688 bool last = false;
689
690 mutex_lock(&ks->lock);
691
692 while (!last) {
693 txb = skb_dequeue(&ks->txq);
694 last = skb_queue_empty(&ks->txq);
695
696 ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
697 ks8851_wrpkt(ks, txb, last);
698 ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
699 ks8851_wrreg16(ks, KS_TXQCR, TXQCR_METFE);
700
701 ks8851_done_tx(ks, txb);
702 }
703
704 mutex_unlock(&ks->lock);
705}
706
707/**
708 * ks8851_set_powermode - set power mode of the device
709 * @ks: The device state
710 * @pwrmode: The power mode value to write to KS_PMECR.
711 *
712 * Change the power mode of the chip.
713 */
714static void ks8851_set_powermode(struct ks8851_net *ks, unsigned pwrmode)
715{
716 unsigned pmecr;
717
718 if (netif_msg_hw(ks))
719 ks_dbg(ks, "setting power mode %d\n", pwrmode);
720
721 pmecr = ks8851_rdreg16(ks, KS_PMECR);
722 pmecr &= ~PMECR_PM_MASK;
723 pmecr |= pwrmode;
724
725 ks8851_wrreg16(ks, KS_PMECR, pmecr);
726}
727
728/**
729 * ks8851_net_open - open network device
730 * @dev: The network device being opened.
731 *
732 * Called when the network device is marked active, such as a user executing
733 * 'ifconfig up' on the device.
734 */
735static int ks8851_net_open(struct net_device *dev)
736{
737 struct ks8851_net *ks = netdev_priv(dev);
738
739 /* lock the card, even if we may not actually be doing anything
740 * else at the moment */
741 mutex_lock(&ks->lock);
742
743 if (netif_msg_ifup(ks))
744 ks_dbg(ks, "opening %s\n", dev->name);
745
746 /* bring chip out of any power saving mode it was in */
747 ks8851_set_powermode(ks, PMECR_PM_NORMAL);
748
749 /* issue a soft reset to the RX/TX QMU to put it into a known
750 * state. */
751 ks8851_soft_reset(ks, GRR_QMU);
752
753 /* setup transmission parameters */
754
755 ks8851_wrreg16(ks, KS_TXCR, (TXCR_TXE | /* enable transmit process */
756 TXCR_TXPE | /* pad to min length */
757 TXCR_TXCRC | /* add CRC */
758 TXCR_TXFCE)); /* enable flow control */
759
760 /* auto-increment tx data, reset tx pointer */
761 ks8851_wrreg16(ks, KS_TXFDPR, TXFDPR_TXFPAI);
762
763 /* setup receiver control */
764
765 ks8851_wrreg16(ks, KS_RXCR1, (RXCR1_RXPAFMA | /* from mac filter */
766 RXCR1_RXFCE | /* enable flow control */
767 RXCR1_RXBE | /* broadcast enable */
768 RXCR1_RXUE | /* unicast enable */
769 RXCR1_RXE)); /* enable rx block */
770
771 /* transfer entire frames out in one go */
772 ks8851_wrreg16(ks, KS_RXCR2, RXCR2_SRDBL_FRAME);
773
774 /* set receive counter timeouts */
775 ks8851_wrreg16(ks, KS_RXDTTR, 1000); /* 1ms after first frame to IRQ */
776 ks8851_wrreg16(ks, KS_RXDBCTR, 4096); /* >4Kbytes in buffer to IRQ */
777 ks8851_wrreg16(ks, KS_RXFCTR, 10); /* 10 frames to IRQ */
778
779 ks->rc_rxqcr = (RXQCR_RXFCTE | /* IRQ on frame count exceeded */
780 RXQCR_RXDBCTE | /* IRQ on byte count exceeded */
781 RXQCR_RXDTTE); /* IRQ on time exceeded */
782
783 ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
784
785 /* clear then enable interrupts */
786
787#define STD_IRQ (IRQ_LCI | /* Link Change */ \
788 IRQ_TXI | /* TX done */ \
789 IRQ_RXI | /* RX done */ \
790 IRQ_SPIBEI | /* SPI bus error */ \
791 IRQ_TXPSI | /* TX process stop */ \
792 IRQ_RXPSI) /* RX process stop */
793
794 ks->rc_ier = STD_IRQ;
795 ks8851_wrreg16(ks, KS_ISR, STD_IRQ);
796 ks8851_wrreg16(ks, KS_IER, STD_IRQ);
797
798 netif_start_queue(ks->netdev);
799
800 if (netif_msg_ifup(ks))
801 ks_dbg(ks, "network device %s up\n", dev->name);
802
803 mutex_unlock(&ks->lock);
804 return 0;
805}
806
807/**
808 * ks8851_net_stop - close network device
809 * @dev: The device being closed.
810 *
811 * Called to close down a network device which has been active. Cancell any
812 * work, shutdown the RX and TX process and then place the chip into a low
813 * power state whilst it is not being used.
814 */
815static int ks8851_net_stop(struct net_device *dev)
816{
817 struct ks8851_net *ks = netdev_priv(dev);
818
819 if (netif_msg_ifdown(ks))
820 ks_info(ks, "%s: shutting down\n", dev->name);
821
822 netif_stop_queue(dev);
823
824 mutex_lock(&ks->lock);
825
826 /* stop any outstanding work */
827 flush_work(&ks->irq_work);
828 flush_work(&ks->tx_work);
829 flush_work(&ks->rxctrl_work);
830
831 /* turn off the IRQs and ack any outstanding */
832 ks8851_wrreg16(ks, KS_IER, 0x0000);
833 ks8851_wrreg16(ks, KS_ISR, 0xffff);
834
835 /* shutdown RX process */
836 ks8851_wrreg16(ks, KS_RXCR1, 0x0000);
837
838 /* shutdown TX process */
839 ks8851_wrreg16(ks, KS_TXCR, 0x0000);
840
841 /* set powermode to soft power down to save power */
842 ks8851_set_powermode(ks, PMECR_PM_SOFTDOWN);
843
844 /* ensure any queued tx buffers are dumped */
845 while (!skb_queue_empty(&ks->txq)) {
846 struct sk_buff *txb = skb_dequeue(&ks->txq);
847
848 if (netif_msg_ifdown(ks))
849 ks_dbg(ks, "%s: freeing txb %p\n", __func__, txb);
850
851 dev_kfree_skb(txb);
852 }
853
854 mutex_unlock(&ks->lock);
855 return 0;
856}
857
858/**
859 * ks8851_start_xmit - transmit packet
860 * @skb: The buffer to transmit
861 * @dev: The device used to transmit the packet.
862 *
863 * Called by the network layer to transmit the @skb. Queue the packet for
864 * the device and schedule the necessary work to transmit the packet when
865 * it is free.
866 *
867 * We do this to firstly avoid sleeping with the network device locked,
868 * and secondly so we can round up more than one packet to transmit which
869 * means we can try and avoid generating too many transmit done interrupts.
870 */
871static int ks8851_start_xmit(struct sk_buff *skb, struct net_device *dev)
872{
873 struct ks8851_net *ks = netdev_priv(dev);
874 unsigned needed = calc_txlen(skb->len);
875 int ret = NETDEV_TX_OK;
876
877 if (netif_msg_tx_queued(ks))
878 ks_dbg(ks, "%s: skb %p, %d@%p\n", __func__,
879 skb, skb->len, skb->data);
880
881 spin_lock(&ks->statelock);
882
883 if (needed > ks->tx_space) {
884 netif_stop_queue(dev);
885 ret = NETDEV_TX_BUSY;
886 } else {
887 ks->tx_space -= needed;
888 skb_queue_tail(&ks->txq, skb);
889 }
890
891 spin_unlock(&ks->statelock);
892 schedule_work(&ks->tx_work);
893
894 return ret;
895}
896
897/**
898 * ks8851_rxctrl_work - work handler to change rx mode
899 * @work: The work structure this belongs to.
900 *
901 * Lock the device and issue the necessary changes to the receive mode from
902 * the network device layer. This is done so that we can do this without
903 * having to sleep whilst holding the network device lock.
904 *
905 * Since the recommendation from Micrel is that the RXQ is shutdown whilst the
906 * receive parameters are programmed, we issue a write to disable the RXQ and
907 * then wait for the interrupt handler to be triggered once the RXQ shutdown is
908 * complete. The interrupt handler then writes the new values into the chip.
909 */
910static void ks8851_rxctrl_work(struct work_struct *work)
911{
912 struct ks8851_net *ks = container_of(work, struct ks8851_net, rxctrl_work);
913
914 mutex_lock(&ks->lock);
915
916 /* need to shutdown RXQ before modifying filter parameters */
917 ks8851_wrreg16(ks, KS_RXCR1, 0x00);
918
919 mutex_unlock(&ks->lock);
920}
921
922static void ks8851_set_rx_mode(struct net_device *dev)
923{
924 struct ks8851_net *ks = netdev_priv(dev);
925 struct ks8851_rxctrl rxctrl;
926
927 memset(&rxctrl, 0, sizeof(rxctrl));
928
929 if (dev->flags & IFF_PROMISC) {
930 /* interface to receive everything */
931
932 rxctrl.rxcr1 = RXCR1_RXAE | RXCR1_RXINVF;
933 } else if (dev->flags & IFF_ALLMULTI) {
934 /* accept all multicast packets */
935
936 rxctrl.rxcr1 = (RXCR1_RXME | RXCR1_RXAE |
937 RXCR1_RXPAFMA | RXCR1_RXMAFMA);
938 } else if (dev->flags & IFF_MULTICAST && dev->mc_count > 0) {
939 struct dev_mc_list *mcptr = dev->mc_list;
940 u32 crc;
941 int i;
942
943 /* accept some multicast */
944
945 for (i = dev->mc_count; i > 0; i--) {
946 crc = ether_crc(ETH_ALEN, mcptr->dmi_addr);
947 crc >>= (32 - 6); /* get top six bits */
948
949 rxctrl.mchash[crc >> 4] |= (1 << (crc & 0xf));
950 mcptr = mcptr->next;
951 }
952
953 rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXAE | RXCR1_RXPAFMA;
954 } else {
955 /* just accept broadcast / unicast */
956 rxctrl.rxcr1 = RXCR1_RXPAFMA;
957 }
958
959 rxctrl.rxcr1 |= (RXCR1_RXUE | /* unicast enable */
960 RXCR1_RXBE | /* broadcast enable */
961 RXCR1_RXE | /* RX process enable */
962 RXCR1_RXFCE); /* enable flow control */
963
964 rxctrl.rxcr2 |= RXCR2_SRDBL_FRAME;
965
966 /* schedule work to do the actual set of the data if needed */
967
968 spin_lock(&ks->statelock);
969
970 if (memcmp(&rxctrl, &ks->rxctrl, sizeof(rxctrl)) != 0) {
971 memcpy(&ks->rxctrl, &rxctrl, sizeof(ks->rxctrl));
972 schedule_work(&ks->rxctrl_work);
973 }
974
975 spin_unlock(&ks->statelock);
976}
977
978static int ks8851_set_mac_address(struct net_device *dev, void *addr)
979{
980 struct sockaddr *sa = addr;
981
982 if (netif_running(dev))
983 return -EBUSY;
984
985 if (!is_valid_ether_addr(sa->sa_data))
986 return -EADDRNOTAVAIL;
987
988 memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN);
989 return ks8851_write_mac_addr(dev);
990}
991
992static int ks8851_net_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
993{
994 struct ks8851_net *ks = netdev_priv(dev);
995
996 if (!netif_running(dev))
997 return -EINVAL;
998
999 return generic_mii_ioctl(&ks->mii, if_mii(req), cmd, NULL);
1000}
1001
1002static const struct net_device_ops ks8851_netdev_ops = {
1003 .ndo_open = ks8851_net_open,
1004 .ndo_stop = ks8851_net_stop,
1005 .ndo_do_ioctl = ks8851_net_ioctl,
1006 .ndo_start_xmit = ks8851_start_xmit,
1007 .ndo_set_mac_address = ks8851_set_mac_address,
1008 .ndo_set_rx_mode = ks8851_set_rx_mode,
1009 .ndo_change_mtu = eth_change_mtu,
1010 .ndo_validate_addr = eth_validate_addr,
1011};
1012
1013/* ethtool support */
1014
1015static void ks8851_get_drvinfo(struct net_device *dev,
1016 struct ethtool_drvinfo *di)
1017{
1018 strlcpy(di->driver, "KS8851", sizeof(di->driver));
1019 strlcpy(di->version, "1.00", sizeof(di->version));
1020 strlcpy(di->bus_info, dev_name(dev->dev.parent), sizeof(di->bus_info));
1021}
1022
1023static u32 ks8851_get_msglevel(struct net_device *dev)
1024{
1025 struct ks8851_net *ks = netdev_priv(dev);
1026 return ks->msg_enable;
1027}
1028
1029static void ks8851_set_msglevel(struct net_device *dev, u32 to)
1030{
1031 struct ks8851_net *ks = netdev_priv(dev);
1032 ks->msg_enable = to;
1033}
1034
1035static int ks8851_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1036{
1037 struct ks8851_net *ks = netdev_priv(dev);
1038 return mii_ethtool_gset(&ks->mii, cmd);
1039}
1040
1041static int ks8851_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1042{
1043 struct ks8851_net *ks = netdev_priv(dev);
1044 return mii_ethtool_sset(&ks->mii, cmd);
1045}
1046
1047static u32 ks8851_get_link(struct net_device *dev)
1048{
1049 struct ks8851_net *ks = netdev_priv(dev);
1050 return mii_link_ok(&ks->mii);
1051}
1052
1053static int ks8851_nway_reset(struct net_device *dev)
1054{
1055 struct ks8851_net *ks = netdev_priv(dev);
1056 return mii_nway_restart(&ks->mii);
1057}
1058
1059static const struct ethtool_ops ks8851_ethtool_ops = {
1060 .get_drvinfo = ks8851_get_drvinfo,
1061 .get_msglevel = ks8851_get_msglevel,
1062 .set_msglevel = ks8851_set_msglevel,
1063 .get_settings = ks8851_get_settings,
1064 .set_settings = ks8851_set_settings,
1065 .get_link = ks8851_get_link,
1066 .nway_reset = ks8851_nway_reset,
1067};
1068
1069/* MII interface controls */
1070
1071/**
1072 * ks8851_phy_reg - convert MII register into a KS8851 register
1073 * @reg: MII register number.
1074 *
1075 * Return the KS8851 register number for the corresponding MII PHY register
1076 * if possible. Return zero if the MII register has no direct mapping to the
1077 * KS8851 register set.
1078 */
1079static int ks8851_phy_reg(int reg)
1080{
1081 switch (reg) {
1082 case MII_BMCR:
1083 return KS_P1MBCR;
1084 case MII_BMSR:
1085 return KS_P1MBSR;
1086 case MII_PHYSID1:
1087 return KS_PHY1ILR;
1088 case MII_PHYSID2:
1089 return KS_PHY1IHR;
1090 case MII_ADVERTISE:
1091 return KS_P1ANAR;
1092 case MII_LPA:
1093 return KS_P1ANLPR;
1094 }
1095
1096 return 0x0;
1097}
1098
1099/**
1100 * ks8851_phy_read - MII interface PHY register read.
1101 * @dev: The network device the PHY is on.
1102 * @phy_addr: Address of PHY (ignored as we only have one)
1103 * @reg: The register to read.
1104 *
1105 * This call reads data from the PHY register specified in @reg. Since the
1106 * device does not support all the MII registers, the non-existant values
1107 * are always returned as zero.
1108 *
1109 * We return zero for unsupported registers as the MII code does not check
1110 * the value returned for any error status, and simply returns it to the
1111 * caller. The mii-tool that the driver was tested with takes any -ve error
1112 * as real PHY capabilities, thus displaying incorrect data to the user.
1113 */
1114static int ks8851_phy_read(struct net_device *dev, int phy_addr, int reg)
1115{
1116 struct ks8851_net *ks = netdev_priv(dev);
1117 int ksreg;
1118 int result;
1119
1120 ksreg = ks8851_phy_reg(reg);
1121 if (!ksreg)
1122 return 0x0; /* no error return allowed, so use zero */
1123
1124 mutex_lock(&ks->lock);
1125 result = ks8851_rdreg16(ks, ksreg);
1126 mutex_unlock(&ks->lock);
1127
1128 return result;
1129}
1130
1131static void ks8851_phy_write(struct net_device *dev,
1132 int phy, int reg, int value)
1133{
1134 struct ks8851_net *ks = netdev_priv(dev);
1135 int ksreg;
1136
1137 ksreg = ks8851_phy_reg(reg);
1138 if (ksreg) {
1139 mutex_lock(&ks->lock);
1140 ks8851_wrreg16(ks, ksreg, value);
1141 mutex_unlock(&ks->lock);
1142 }
1143}
1144
1145/**
1146 * ks8851_read_selftest - read the selftest memory info.
1147 * @ks: The device state
1148 *
1149 * Read and check the TX/RX memory selftest information.
1150 */
1151static int ks8851_read_selftest(struct ks8851_net *ks)
1152{
1153 unsigned both_done = MBIR_TXMBF | MBIR_RXMBF;
1154 int ret = 0;
1155 unsigned rd;
1156
1157 rd = ks8851_rdreg16(ks, KS_MBIR);
1158
1159 if ((rd & both_done) != both_done) {
1160 ks_warn(ks, "Memory selftest not finished\n");
1161 return 0;
1162 }
1163
1164 if (rd & MBIR_TXMBFA) {
1165 ks_err(ks, "TX memory selftest fail\n");
1166 ret |= 1;
1167 }
1168
1169 if (rd & MBIR_RXMBFA) {
1170 ks_err(ks, "RX memory selftest fail\n");
1171 ret |= 2;
1172 }
1173
1174 return 0;
1175}
1176
1177/* driver bus management functions */
1178
1179static int __devinit ks8851_probe(struct spi_device *spi)
1180{
1181 struct net_device *ndev;
1182 struct ks8851_net *ks;
1183 int ret;
1184
1185 ndev = alloc_etherdev(sizeof(struct ks8851_net));
1186 if (!ndev) {
1187 dev_err(&spi->dev, "failed to alloc ethernet device\n");
1188 return -ENOMEM;
1189 }
1190
1191 spi->bits_per_word = 8;
1192
1193 ks = netdev_priv(ndev);
1194
1195 ks->netdev = ndev;
1196 ks->spidev = spi;
1197 ks->tx_space = 6144;
1198
1199 mutex_init(&ks->lock);
1200 spin_lock_init(&ks->statelock);
1201
1202 INIT_WORK(&ks->tx_work, ks8851_tx_work);
1203 INIT_WORK(&ks->irq_work, ks8851_irq_work);
1204 INIT_WORK(&ks->rxctrl_work, ks8851_rxctrl_work);
1205
1206 /* initialise pre-made spi transfer messages */
1207
1208 spi_message_init(&ks->spi_msg1);
1209 spi_message_add_tail(&ks->spi_xfer1, &ks->spi_msg1);
1210
1211 spi_message_init(&ks->spi_msg2);
1212 spi_message_add_tail(&ks->spi_xfer2[0], &ks->spi_msg2);
1213 spi_message_add_tail(&ks->spi_xfer2[1], &ks->spi_msg2);
1214
1215 /* setup mii state */
1216 ks->mii.dev = ndev;
1217 ks->mii.phy_id = 1,
1218 ks->mii.phy_id_mask = 1;
1219 ks->mii.reg_num_mask = 0xf;
1220 ks->mii.mdio_read = ks8851_phy_read;
1221 ks->mii.mdio_write = ks8851_phy_write;
1222
1223 dev_info(&spi->dev, "message enable is %d\n", msg_enable);
1224
1225 /* set the default message enable */
1226 ks->msg_enable = netif_msg_init(msg_enable, (NETIF_MSG_DRV |
1227 NETIF_MSG_PROBE |
1228 NETIF_MSG_LINK));
1229
1230 skb_queue_head_init(&ks->txq);
1231
1232 SET_ETHTOOL_OPS(ndev, &ks8851_ethtool_ops);
1233 SET_NETDEV_DEV(ndev, &spi->dev);
1234
1235 dev_set_drvdata(&spi->dev, ks);
1236
1237 ndev->if_port = IF_PORT_100BASET;
1238 ndev->netdev_ops = &ks8851_netdev_ops;
1239 ndev->irq = spi->irq;
1240
1241 /* simple check for a valid chip being connected to the bus */
1242
1243 if ((ks8851_rdreg16(ks, KS_CIDER) & ~CIDER_REV_MASK) != CIDER_ID) {
1244 dev_err(&spi->dev, "failed to read device ID\n");
1245 ret = -ENODEV;
1246 goto err_id;
1247 }
1248
1249 ks8851_read_selftest(ks);
1250 ks8851_init_mac(ks);
1251
1252 ret = request_irq(spi->irq, ks8851_irq, IRQF_TRIGGER_LOW,
1253 ndev->name, ks);
1254 if (ret < 0) {
1255 dev_err(&spi->dev, "failed to get irq\n");
1256 goto err_irq;
1257 }
1258
1259 ret = register_netdev(ndev);
1260 if (ret) {
1261 dev_err(&spi->dev, "failed to register network device\n");
1262 goto err_netdev;
1263 }
1264
1265 dev_info(&spi->dev, "revision %d, MAC %pM, IRQ %d\n",
1266 CIDER_REV_GET(ks8851_rdreg16(ks, KS_CIDER)),
1267 ndev->dev_addr, ndev->irq);
1268
1269 return 0;
1270
1271
1272err_netdev:
1273 free_irq(ndev->irq, ndev);
1274
1275err_id:
1276err_irq:
1277 free_netdev(ndev);
1278 return ret;
1279}
1280
1281static int __devexit ks8851_remove(struct spi_device *spi)
1282{
1283 struct ks8851_net *priv = dev_get_drvdata(&spi->dev);
1284
1285 if (netif_msg_drv(priv))
1286 dev_info(&spi->dev, "remove");
1287
1288 unregister_netdev(priv->netdev);
1289 free_irq(spi->irq, priv);
1290 free_netdev(priv->netdev);
1291
1292 return 0;
1293}
1294
1295static struct spi_driver ks8851_driver = {
1296 .driver = {
1297 .name = "ks8851",
1298 .owner = THIS_MODULE,
1299 },
1300 .probe = ks8851_probe,
1301 .remove = __devexit_p(ks8851_remove),
1302};
1303
1304static int __init ks8851_init(void)
1305{
1306 return spi_register_driver(&ks8851_driver);
1307}
1308
1309static void __exit ks8851_exit(void)
1310{
1311 spi_unregister_driver(&ks8851_driver);
1312}
1313
1314module_init(ks8851_init);
1315module_exit(ks8851_exit);
1316
1317MODULE_DESCRIPTION("KS8851 Network driver");
1318MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
1319MODULE_LICENSE("GPL");
1320
1321module_param_named(message, msg_enable, int, 0);
1322MODULE_PARM_DESC(message, "Message verbosity level (0=none, 31=all)");
diff --git a/drivers/net/ks8851.h b/drivers/net/ks8851.h
new file mode 100644
index 000000000000..85abe147afbf
--- /dev/null
+++ b/drivers/net/ks8851.h
@@ -0,0 +1,296 @@
1/* drivers/net/ks8851.h
2 *
3 * Copyright 2009 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * KS8851 register definitions
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#define KS_CCR 0x08
14#define CCR_EEPROM (1 << 9)
15#define CCR_SPI (1 << 8)
16#define CCR_32PIN (1 << 0)
17
18/* MAC address registers */
19#define KS_MARL 0x10
20#define KS_MARM 0x12
21#define KS_MARH 0x14
22
23#define KS_OBCR 0x20
24#define OBCR_ODS_16mA (1 << 6)
25
26#define KS_EEPCR 0x22
27#define EEPCR_EESA (1 << 4)
28#define EEPCR_EESB (1 << 3)
29#define EEPCR_EEDO (1 << 2)
30#define EEPCR_EESCK (1 << 1)
31#define EEPCR_EECS (1 << 0)
32
33#define KS_MBIR 0x24
34#define MBIR_TXMBF (1 << 12)
35#define MBIR_TXMBFA (1 << 11)
36#define MBIR_RXMBF (1 << 4)
37#define MBIR_RXMBFA (1 << 3)
38
39#define KS_GRR 0x26
40#define GRR_QMU (1 << 1)
41#define GRR_GSR (1 << 0)
42
43#define KS_WFCR 0x2A
44#define WFCR_MPRXE (1 << 7)
45#define WFCR_WF3E (1 << 3)
46#define WFCR_WF2E (1 << 2)
47#define WFCR_WF1E (1 << 1)
48#define WFCR_WF0E (1 << 0)
49
50#define KS_WF0CRC0 0x30
51#define KS_WF0CRC1 0x32
52#define KS_WF0BM0 0x34
53#define KS_WF0BM1 0x36
54#define KS_WF0BM2 0x38
55#define KS_WF0BM3 0x3A
56
57#define KS_WF1CRC0 0x40
58#define KS_WF1CRC1 0x42
59#define KS_WF1BM0 0x44
60#define KS_WF1BM1 0x46
61#define KS_WF1BM2 0x48
62#define KS_WF1BM3 0x4A
63
64#define KS_WF2CRC0 0x50
65#define KS_WF2CRC1 0x52
66#define KS_WF2BM0 0x54
67#define KS_WF2BM1 0x56
68#define KS_WF2BM2 0x58
69#define KS_WF2BM3 0x5A
70
71#define KS_WF3CRC0 0x60
72#define KS_WF3CRC1 0x62
73#define KS_WF3BM0 0x64
74#define KS_WF3BM1 0x66
75#define KS_WF3BM2 0x68
76#define KS_WF3BM3 0x6A
77
78#define KS_TXCR 0x70
79#define TXCR_TCGICMP (1 << 8)
80#define TXCR_TCGUDP (1 << 7)
81#define TXCR_TCGTCP (1 << 6)
82#define TXCR_TCGIP (1 << 5)
83#define TXCR_FTXQ (1 << 4)
84#define TXCR_TXFCE (1 << 3)
85#define TXCR_TXPE (1 << 2)
86#define TXCR_TXCRC (1 << 1)
87#define TXCR_TXE (1 << 0)
88
89#define KS_TXSR 0x72
90#define TXSR_TXLC (1 << 13)
91#define TXSR_TXMC (1 << 12)
92#define TXSR_TXFID_MASK (0x3f << 0)
93#define TXSR_TXFID_SHIFT (0)
94#define TXSR_TXFID_GET(_v) (((_v) >> 0) & 0x3f)
95
96#define KS_RXCR1 0x74
97#define RXCR1_FRXQ (1 << 15)
98#define RXCR1_RXUDPFCC (1 << 14)
99#define RXCR1_RXTCPFCC (1 << 13)
100#define RXCR1_RXIPFCC (1 << 12)
101#define RXCR1_RXPAFMA (1 << 11)
102#define RXCR1_RXFCE (1 << 10)
103#define RXCR1_RXEFE (1 << 9)
104#define RXCR1_RXMAFMA (1 << 8)
105#define RXCR1_RXBE (1 << 7)
106#define RXCR1_RXME (1 << 6)
107#define RXCR1_RXUE (1 << 5)
108#define RXCR1_RXAE (1 << 4)
109#define RXCR1_RXINVF (1 << 1)
110#define RXCR1_RXE (1 << 0)
111
112#define KS_RXCR2 0x76
113#define RXCR2_SRDBL_MASK (0x7 << 5)
114#define RXCR2_SRDBL_SHIFT (5)
115#define RXCR2_SRDBL_4B (0x0 << 5)
116#define RXCR2_SRDBL_8B (0x1 << 5)
117#define RXCR2_SRDBL_16B (0x2 << 5)
118#define RXCR2_SRDBL_32B (0x3 << 5)
119#define RXCR2_SRDBL_FRAME (0x4 << 5)
120#define RXCR2_IUFFP (1 << 4)
121#define RXCR2_RXIUFCEZ (1 << 3)
122#define RXCR2_UDPLFE (1 << 2)
123#define RXCR2_RXICMPFCC (1 << 1)
124#define RXCR2_RXSAF (1 << 0)
125
126#define KS_TXMIR 0x78
127
128#define KS_RXFHSR 0x7C
129#define RXFSHR_RXFV (1 << 15)
130#define RXFSHR_RXICMPFCS (1 << 13)
131#define RXFSHR_RXIPFCS (1 << 12)
132#define RXFSHR_RXTCPFCS (1 << 11)
133#define RXFSHR_RXUDPFCS (1 << 10)
134#define RXFSHR_RXBF (1 << 7)
135#define RXFSHR_RXMF (1 << 6)
136#define RXFSHR_RXUF (1 << 5)
137#define RXFSHR_RXMR (1 << 4)
138#define RXFSHR_RXFT (1 << 3)
139#define RXFSHR_RXFTL (1 << 2)
140#define RXFSHR_RXRF (1 << 1)
141#define RXFSHR_RXCE (1 << 0)
142
143#define KS_RXFHBCR 0x7E
144#define KS_TXQCR 0x80
145#define TXQCR_AETFE (1 << 2)
146#define TXQCR_TXQMAM (1 << 1)
147#define TXQCR_METFE (1 << 0)
148
149#define KS_RXQCR 0x82
150#define RXQCR_RXDTTS (1 << 12)
151#define RXQCR_RXDBCTS (1 << 11)
152#define RXQCR_RXFCTS (1 << 10)
153#define RXQCR_RXIPHTOE (1 << 9)
154#define RXQCR_RXDTTE (1 << 7)
155#define RXQCR_RXDBCTE (1 << 6)
156#define RXQCR_RXFCTE (1 << 5)
157#define RXQCR_ADRFE (1 << 4)
158#define RXQCR_SDA (1 << 3)
159#define RXQCR_RRXEF (1 << 0)
160
161#define KS_TXFDPR 0x84
162#define TXFDPR_TXFPAI (1 << 14)
163#define TXFDPR_TXFP_MASK (0x7ff << 0)
164#define TXFDPR_TXFP_SHIFT (0)
165
166#define KS_RXFDPR 0x86
167#define RXFDPR_RXFPAI (1 << 14)
168
169#define KS_RXDTTR 0x8C
170#define KS_RXDBCTR 0x8E
171
172#define KS_IER 0x90
173#define KS_ISR 0x92
174#define IRQ_LCI (1 << 15)
175#define IRQ_TXI (1 << 14)
176#define IRQ_RXI (1 << 13)
177#define IRQ_RXOI (1 << 11)
178#define IRQ_TXPSI (1 << 9)
179#define IRQ_RXPSI (1 << 8)
180#define IRQ_TXSAI (1 << 6)
181#define IRQ_RXWFDI (1 << 5)
182#define IRQ_RXMPDI (1 << 4)
183#define IRQ_LDI (1 << 3)
184#define IRQ_EDI (1 << 2)
185#define IRQ_SPIBEI (1 << 1)
186#define IRQ_DEDI (1 << 0)
187
188#define KS_RXFCTR 0x9C
189#define KS_RXFC 0x9D
190#define RXFCTR_RXFC_MASK (0xff << 8)
191#define RXFCTR_RXFC_SHIFT (8)
192#define RXFCTR_RXFC_GET(_v) (((_v) >> 8) & 0xff)
193#define RXFCTR_RXFCT_MASK (0xff << 0)
194#define RXFCTR_RXFCT_SHIFT (0)
195
196#define KS_TXNTFSR 0x9E
197
198#define KS_MAHTR0 0xA0
199#define KS_MAHTR1 0xA2
200#define KS_MAHTR2 0xA4
201#define KS_MAHTR3 0xA6
202
203#define KS_FCLWR 0xB0
204#define KS_FCHWR 0xB2
205#define KS_FCOWR 0xB4
206
207#define KS_CIDER 0xC0
208#define CIDER_ID 0x8870
209#define CIDER_REV_MASK (0x7 << 1)
210#define CIDER_REV_SHIFT (1)
211#define CIDER_REV_GET(_v) (((_v) >> 1) & 0x7)
212
213#define KS_CGCR 0xC6
214
215#define KS_IACR 0xC8
216#define IACR_RDEN (1 << 12)
217#define IACR_TSEL_MASK (0x3 << 10)
218#define IACR_TSEL_SHIFT (10)
219#define IACR_TSEL_MIB (0x3 << 10)
220#define IACR_ADDR_MASK (0x1f << 0)
221#define IACR_ADDR_SHIFT (0)
222
223#define KS_IADLR 0xD0
224#define KS_IAHDR 0xD2
225
226#define KS_PMECR 0xD4
227#define PMECR_PME_DELAY (1 << 14)
228#define PMECR_PME_POL (1 << 12)
229#define PMECR_WOL_WAKEUP (1 << 11)
230#define PMECR_WOL_MAGICPKT (1 << 10)
231#define PMECR_WOL_LINKUP (1 << 9)
232#define PMECR_WOL_ENERGY (1 << 8)
233#define PMECR_AUTO_WAKE_EN (1 << 7)
234#define PMECR_WAKEUP_NORMAL (1 << 6)
235#define PMECR_WKEVT_MASK (0xf << 2)
236#define PMECR_WKEVT_SHIFT (2)
237#define PMECR_WKEVT_GET(_v) (((_v) >> 2) & 0xf)
238#define PMECR_WKEVT_ENERGY (0x1 << 2)
239#define PMECR_WKEVT_LINK (0x2 << 2)
240#define PMECR_WKEVT_MAGICPKT (0x4 << 2)
241#define PMECR_WKEVT_FRAME (0x8 << 2)
242#define PMECR_PM_MASK (0x3 << 0)
243#define PMECR_PM_SHIFT (0)
244#define PMECR_PM_NORMAL (0x0 << 0)
245#define PMECR_PM_ENERGY (0x1 << 0)
246#define PMECR_PM_SOFTDOWN (0x2 << 0)
247#define PMECR_PM_POWERSAVE (0x3 << 0)
248
249/* Standard MII PHY data */
250#define KS_P1MBCR 0xE4
251#define KS_P1MBSR 0xE6
252#define KS_PHY1ILR 0xE8
253#define KS_PHY1IHR 0xEA
254#define KS_P1ANAR 0xEC
255#define KS_P1ANLPR 0xEE
256
257#define KS_P1SCLMD 0xF4
258#define P1SCLMD_LEDOFF (1 << 15)
259#define P1SCLMD_TXIDS (1 << 14)
260#define P1SCLMD_RESTARTAN (1 << 13)
261#define P1SCLMD_DISAUTOMDIX (1 << 10)
262#define P1SCLMD_FORCEMDIX (1 << 9)
263#define P1SCLMD_AUTONEGEN (1 << 7)
264#define P1SCLMD_FORCE100 (1 << 6)
265#define P1SCLMD_FORCEFDX (1 << 5)
266#define P1SCLMD_ADV_FLOW (1 << 4)
267#define P1SCLMD_ADV_100BT_FDX (1 << 3)
268#define P1SCLMD_ADV_100BT_HDX (1 << 2)
269#define P1SCLMD_ADV_10BT_FDX (1 << 1)
270#define P1SCLMD_ADV_10BT_HDX (1 << 0)
271
272#define KS_P1CR 0xF6
273#define P1CR_HP_MDIX (1 << 15)
274#define P1CR_REV_POL (1 << 13)
275#define P1CR_OP_100M (1 << 10)
276#define P1CR_OP_FDX (1 << 9)
277#define P1CR_OP_MDI (1 << 7)
278#define P1CR_AN_DONE (1 << 6)
279#define P1CR_LINK_GOOD (1 << 5)
280#define P1CR_PNTR_FLOW (1 << 4)
281#define P1CR_PNTR_100BT_FDX (1 << 3)
282#define P1CR_PNTR_100BT_HDX (1 << 2)
283#define P1CR_PNTR_10BT_FDX (1 << 1)
284#define P1CR_PNTR_10BT_HDX (1 << 0)
285
286/* TX Frame control */
287
288#define TXFR_TXIC (1 << 15)
289#define TXFR_TXFID_MASK (0x3f << 0)
290#define TXFR_TXFID_SHIFT (0)
291
292/* SPI frame opcodes */
293#define KS_SPIOP_RD (0x00)
294#define KS_SPIOP_WR (0x40)
295#define KS_SPIOP_RXFIFO (0x80)
296#define KS_SPIOP_TXFIFO (0xC0)
diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c
index acd143da161d..61eabcac734c 100644
--- a/drivers/net/macsonic.c
+++ b/drivers/net/macsonic.c
@@ -179,7 +179,7 @@ static const struct net_device_ops macsonic_netdev_ops = {
179 .ndo_set_mac_address = eth_mac_addr, 179 .ndo_set_mac_address = eth_mac_addr,
180}; 180};
181 181
182static int __init macsonic_init(struct net_device *dev) 182static int __devinit macsonic_init(struct net_device *dev)
183{ 183{
184 struct sonic_local* lp = netdev_priv(dev); 184 struct sonic_local* lp = netdev_priv(dev);
185 185
@@ -223,7 +223,7 @@ static int __init macsonic_init(struct net_device *dev)
223 return 0; 223 return 0;
224} 224}
225 225
226static int __init mac_onboard_sonic_ethernet_addr(struct net_device *dev) 226static int __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev)
227{ 227{
228 struct sonic_local *lp = netdev_priv(dev); 228 struct sonic_local *lp = netdev_priv(dev);
229 const int prom_addr = ONBOARD_SONIC_PROM_BASE; 229 const int prom_addr = ONBOARD_SONIC_PROM_BASE;
@@ -288,7 +288,7 @@ static int __init mac_onboard_sonic_ethernet_addr(struct net_device *dev)
288 } else return 0; 288 } else return 0;
289} 289}
290 290
291static int __init mac_onboard_sonic_probe(struct net_device *dev) 291static int __devinit mac_onboard_sonic_probe(struct net_device *dev)
292{ 292{
293 /* Bwahahaha */ 293 /* Bwahahaha */
294 static int once_is_more_than_enough; 294 static int once_is_more_than_enough;
@@ -409,7 +409,7 @@ static int __init mac_onboard_sonic_probe(struct net_device *dev)
409 return macsonic_init(dev); 409 return macsonic_init(dev);
410} 410}
411 411
412static int __init mac_nubus_sonic_ethernet_addr(struct net_device *dev, 412static int __devinit mac_nubus_sonic_ethernet_addr(struct net_device *dev,
413 unsigned long prom_addr, 413 unsigned long prom_addr,
414 int id) 414 int id)
415{ 415{
@@ -424,7 +424,7 @@ static int __init mac_nubus_sonic_ethernet_addr(struct net_device *dev,
424 return 0; 424 return 0;
425} 425}
426 426
427static int __init macsonic_ident(struct nubus_dev *ndev) 427static int __devinit macsonic_ident(struct nubus_dev *ndev)
428{ 428{
429 if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC && 429 if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC &&
430 ndev->dr_sw == NUBUS_DRSW_SONIC_LC) 430 ndev->dr_sw == NUBUS_DRSW_SONIC_LC)
@@ -449,7 +449,7 @@ static int __init macsonic_ident(struct nubus_dev *ndev)
449 return -1; 449 return -1;
450} 450}
451 451
452static int __init mac_nubus_sonic_probe(struct net_device *dev) 452static int __devinit mac_nubus_sonic_probe(struct net_device *dev)
453{ 453{
454 static int slots; 454 static int slots;
455 struct nubus_dev* ndev = NULL; 455 struct nubus_dev* ndev = NULL;
@@ -562,7 +562,7 @@ static int __init mac_nubus_sonic_probe(struct net_device *dev)
562 return macsonic_init(dev); 562 return macsonic_init(dev);
563} 563}
564 564
565static int __init mac_sonic_probe(struct platform_device *pdev) 565static int __devinit mac_sonic_probe(struct platform_device *pdev)
566{ 566{
567 struct net_device *dev; 567 struct net_device *dev;
568 struct sonic_local *lp; 568 struct sonic_local *lp;
@@ -575,6 +575,7 @@ static int __init mac_sonic_probe(struct platform_device *pdev)
575 lp = netdev_priv(dev); 575 lp = netdev_priv(dev);
576 lp->device = &pdev->dev; 576 lp->device = &pdev->dev;
577 SET_NETDEV_DEV(dev, &pdev->dev); 577 SET_NETDEV_DEV(dev, &pdev->dev);
578 platform_set_drvdata(pdev, dev);
578 579
579 /* This will catch fatal stuff like -ENOMEM as well as success */ 580 /* This will catch fatal stuff like -ENOMEM as well as success */
580 err = mac_onboard_sonic_probe(dev); 581 err = mac_onboard_sonic_probe(dev);
diff --git a/drivers/net/mlx4/en_ethtool.c b/drivers/net/mlx4/en_ethtool.c
index 091f99052c91..86467b444ac6 100644
--- a/drivers/net/mlx4/en_ethtool.c
+++ b/drivers/net/mlx4/en_ethtool.c
@@ -220,7 +220,7 @@ static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
220{ 220{
221 cmd->autoneg = AUTONEG_DISABLE; 221 cmd->autoneg = AUTONEG_DISABLE;
222 cmd->supported = SUPPORTED_10000baseT_Full; 222 cmd->supported = SUPPORTED_10000baseT_Full;
223 cmd->advertising = SUPPORTED_10000baseT_Full; 223 cmd->advertising = ADVERTISED_1000baseT_Full;
224 if (netif_carrier_ok(dev)) { 224 if (netif_carrier_ok(dev)) {
225 cmd->speed = SPEED_10000; 225 cmd->speed = SPEED_10000;
226 cmd->duplex = DUPLEX_FULL; 226 cmd->duplex = DUPLEX_FULL;
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index e1cdba752e09..f86e05047d19 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -210,6 +210,7 @@
210#define NETXEN_CTX_SIGNATURE 0xdee0 210#define NETXEN_CTX_SIGNATURE 0xdee0
211#define NETXEN_CTX_SIGNATURE_V2 0x0002dee0 211#define NETXEN_CTX_SIGNATURE_V2 0x0002dee0
212#define NETXEN_CTX_RESET 0xbad0 212#define NETXEN_CTX_RESET 0xbad0
213#define NETXEN_CTX_D3_RESET 0xacc0
213#define NETXEN_RCV_PRODUCER(ringid) (ringid) 214#define NETXEN_RCV_PRODUCER(ringid) (ringid)
214 215
215#define PHAN_PEG_RCV_INITIALIZED 0xff01 216#define PHAN_PEG_RCV_INITIALIZED 0xff01
@@ -773,6 +774,8 @@ struct nx_host_tx_ring {
773 u32 crb_cmd_consumer; 774 u32 crb_cmd_consumer;
774 u32 num_desc; 775 u32 num_desc;
775 776
777 struct netdev_queue *txq;
778
776 struct netxen_cmd_buffer *cmd_buf_arr; 779 struct netxen_cmd_buffer *cmd_buf_arr;
777 struct cmd_desc_type0 *desc_head; 780 struct cmd_desc_type0 *desc_head;
778 dma_addr_t phys_addr; 781 dma_addr_t phys_addr;
diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c
index 4754f5cffad0..9f8ae4719e2f 100644
--- a/drivers/net/netxen/netxen_nic_ctx.c
+++ b/drivers/net/netxen/netxen_nic_ctx.c
@@ -684,10 +684,8 @@ int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
684 goto err_out_free; 684 goto err_out_free;
685 } else { 685 } else {
686 err = netxen_init_old_ctx(adapter); 686 err = netxen_init_old_ctx(adapter);
687 if (err) { 687 if (err)
688 netxen_free_hw_resources(adapter); 688 goto err_out_free;
689 return err;
690 }
691 } 689 }
692 690
693 return 0; 691 return 0;
@@ -708,15 +706,18 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter)
708 int port = adapter->portnum; 706 int port = adapter->portnum;
709 707
710 if (adapter->fw_major >= 4) { 708 if (adapter->fw_major >= 4) {
711 nx_fw_cmd_destroy_tx_ctx(adapter);
712 nx_fw_cmd_destroy_rx_ctx(adapter); 709 nx_fw_cmd_destroy_rx_ctx(adapter);
710 nx_fw_cmd_destroy_tx_ctx(adapter);
713 } else { 711 } else {
714 netxen_api_lock(adapter); 712 netxen_api_lock(adapter);
715 NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port), 713 NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
716 NETXEN_CTX_RESET | port); 714 NETXEN_CTX_D3_RESET | port);
717 netxen_api_unlock(adapter); 715 netxen_api_unlock(adapter);
718 } 716 }
719 717
718 /* Allow dma queues to drain after context reset */
719 msleep(20);
720
720 recv_ctx = &adapter->recv_ctx; 721 recv_ctx = &adapter->recv_ctx;
721 722
722 if (recv_ctx->hwctx != NULL) { 723 if (recv_ctx->hwctx != NULL) {
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index ce3b89d2cbb6..b9123d445c96 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -461,13 +461,14 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter,
461 i = 0; 461 i = 0;
462 462
463 tx_ring = adapter->tx_ring; 463 tx_ring = adapter->tx_ring;
464 netif_tx_lock_bh(adapter->netdev); 464 __netif_tx_lock_bh(tx_ring->txq);
465 465
466 producer = tx_ring->producer; 466 producer = tx_ring->producer;
467 consumer = tx_ring->sw_consumer; 467 consumer = tx_ring->sw_consumer;
468 468
469 if (nr_desc >= find_diff_among(producer, consumer, tx_ring->num_desc)) { 469 if (nr_desc >= netxen_tx_avail(tx_ring)) {
470 netif_tx_unlock_bh(adapter->netdev); 470 netif_tx_stop_queue(tx_ring->txq);
471 __netif_tx_unlock_bh(tx_ring->txq);
471 return -EBUSY; 472 return -EBUSY;
472 } 473 }
473 474
@@ -490,7 +491,7 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter,
490 491
491 netxen_nic_update_cmd_producer(adapter, tx_ring); 492 netxen_nic_update_cmd_producer(adapter, tx_ring);
492 493
493 netif_tx_unlock_bh(adapter->netdev); 494 __netif_tx_unlock_bh(tx_ring->txq);
494 495
495 return 0; 496 return 0;
496} 497}
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index b899bd51fcd8..5d3343ef3d86 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -214,6 +214,7 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
214 adapter->tx_ring = tx_ring; 214 adapter->tx_ring = tx_ring;
215 215
216 tx_ring->num_desc = adapter->num_txd; 216 tx_ring->num_desc = adapter->num_txd;
217 tx_ring->txq = netdev_get_tx_queue(netdev, 0);
217 218
218 cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring)); 219 cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring));
219 if (cmd_buf_arr == NULL) { 220 if (cmd_buf_arr == NULL) {
@@ -1400,10 +1401,10 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter)
1400 smp_mb(); 1401 smp_mb();
1401 1402
1402 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { 1403 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
1403 netif_tx_lock(netdev); 1404 __netif_tx_lock(tx_ring->txq, smp_processor_id());
1404 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH) 1405 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
1405 netif_wake_queue(netdev); 1406 netif_wake_queue(netdev);
1406 netif_tx_unlock(netdev); 1407 __netif_tx_unlock(tx_ring->txq);
1407 } 1408 }
1408 } 1409 }
1409 /* 1410 /*
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 27539ddf94c4..637ac8b89bac 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -215,9 +215,9 @@ netxen_napi_disable(struct netxen_adapter *adapter)
215 215
216 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 216 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
217 sds_ring = &recv_ctx->sds_rings[ring]; 217 sds_ring = &recv_ctx->sds_rings[ring];
218 napi_disable(&sds_ring->napi);
219 netxen_nic_disable_int(sds_ring); 218 netxen_nic_disable_int(sds_ring);
220 synchronize_irq(sds_ring->irq); 219 napi_synchronize(&sds_ring->napi);
220 napi_disable(&sds_ring->napi);
221 } 221 }
222} 222}
223 223
@@ -833,11 +833,11 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
833 833
834 adapter->ahw.linkup = 0; 834 adapter->ahw.linkup = 0;
835 835
836 netxen_napi_enable(adapter);
837
838 if (adapter->max_sds_rings > 1) 836 if (adapter->max_sds_rings > 1)
839 netxen_config_rss(adapter, 1); 837 netxen_config_rss(adapter, 1);
840 838
839 netxen_napi_enable(adapter);
840
841 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION) 841 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
842 netxen_linkevent_request(adapter, 1); 842 netxen_linkevent_request(adapter, 1);
843 else 843 else
@@ -851,8 +851,9 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
851static void 851static void
852netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) 852netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
853{ 853{
854 spin_lock(&adapter->tx_clean_lock);
854 netif_carrier_off(netdev); 855 netif_carrier_off(netdev);
855 netif_stop_queue(netdev); 856 netif_tx_disable(netdev);
856 857
857 if (adapter->stop_port) 858 if (adapter->stop_port)
858 adapter->stop_port(adapter); 859 adapter->stop_port(adapter);
@@ -863,9 +864,10 @@ netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
863 netxen_napi_disable(adapter); 864 netxen_napi_disable(adapter);
864 865
865 netxen_release_tx_buffers(adapter); 866 netxen_release_tx_buffers(adapter);
867 spin_unlock(&adapter->tx_clean_lock);
866 868
867 FLUSH_SCHEDULED_WORK();
868 del_timer_sync(&adapter->watchdog_timer); 869 del_timer_sync(&adapter->watchdog_timer);
870 FLUSH_SCHEDULED_WORK();
869} 871}
870 872
871 873
@@ -943,8 +945,8 @@ err_out_free_sw:
943static void 945static void
944netxen_nic_detach(struct netxen_adapter *adapter) 946netxen_nic_detach(struct netxen_adapter *adapter)
945{ 947{
946 netxen_release_rx_buffers(adapter);
947 netxen_free_hw_resources(adapter); 948 netxen_free_hw_resources(adapter);
949 netxen_release_rx_buffers(adapter);
948 netxen_nic_free_irq(adapter); 950 netxen_nic_free_irq(adapter);
949 netxen_free_sw_resources(adapter); 951 netxen_free_sw_resources(adapter);
950 952
@@ -1533,10 +1535,12 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter)
1533 printk(KERN_ALERT 1535 printk(KERN_ALERT
1534 "%s: Device temperature %d degrees C exceeds" 1536 "%s: Device temperature %d degrees C exceeds"
1535 " maximum allowed. Hardware has been shut down.\n", 1537 " maximum allowed. Hardware has been shut down.\n",
1536 netxen_nic_driver_name, temp_val); 1538 netdev->name, temp_val);
1539
1540 netif_device_detach(netdev);
1541 netxen_nic_down(adapter, netdev);
1542 netxen_nic_detach(adapter);
1537 1543
1538 netif_carrier_off(netdev);
1539 netif_stop_queue(netdev);
1540 rv = 1; 1544 rv = 1;
1541 } else if (temp_state == NX_TEMP_WARN) { 1545 } else if (temp_state == NX_TEMP_WARN) {
1542 if (adapter->temp == NX_TEMP_NORMAL) { 1546 if (adapter->temp == NX_TEMP_NORMAL) {
@@ -1544,13 +1548,13 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter)
1544 "%s: Device temperature %d degrees C " 1548 "%s: Device temperature %d degrees C "
1545 "exceeds operating range." 1549 "exceeds operating range."
1546 " Immediate action needed.\n", 1550 " Immediate action needed.\n",
1547 netxen_nic_driver_name, temp_val); 1551 netdev->name, temp_val);
1548 } 1552 }
1549 } else { 1553 } else {
1550 if (adapter->temp == NX_TEMP_WARN) { 1554 if (adapter->temp == NX_TEMP_WARN) {
1551 printk(KERN_INFO 1555 printk(KERN_INFO
1552 "%s: Device temperature is now %d degrees C" 1556 "%s: Device temperature is now %d degrees C"
1553 " in normal range.\n", netxen_nic_driver_name, 1557 " in normal range.\n", netdev->name,
1554 temp_val); 1558 temp_val);
1555 } 1559 }
1556 } 1560 }
@@ -1623,7 +1627,7 @@ void netxen_watchdog_task(struct work_struct *work)
1623 struct netxen_adapter *adapter = 1627 struct netxen_adapter *adapter =
1624 container_of(work, struct netxen_adapter, watchdog_task); 1628 container_of(work, struct netxen_adapter, watchdog_task);
1625 1629
1626 if ((adapter->portnum == 0) && netxen_nic_check_temp(adapter)) 1630 if (netxen_nic_check_temp(adapter))
1627 return; 1631 return;
1628 1632
1629 if (!adapter->has_link_events) 1633 if (!adapter->has_link_events)
@@ -1645,6 +1649,9 @@ static void netxen_tx_timeout_task(struct work_struct *work)
1645 struct netxen_adapter *adapter = 1649 struct netxen_adapter *adapter =
1646 container_of(work, struct netxen_adapter, tx_timeout_task); 1650 container_of(work, struct netxen_adapter, tx_timeout_task);
1647 1651
1652 if (!netif_running(adapter->netdev))
1653 return;
1654
1648 printk(KERN_ERR "%s %s: transmit timeout, resetting.\n", 1655 printk(KERN_ERR "%s %s: transmit timeout, resetting.\n",
1649 netxen_nic_driver_name, adapter->netdev->name); 1656 netxen_nic_driver_name, adapter->netdev->name);
1650 1657
@@ -1757,7 +1764,8 @@ static int netxen_nic_poll(struct napi_struct *napi, int budget)
1757 1764
1758 if ((work_done < budget) && tx_complete) { 1765 if ((work_done < budget) && tx_complete) {
1759 napi_complete(&sds_ring->napi); 1766 napi_complete(&sds_ring->napi);
1760 netxen_nic_enable_int(sds_ring); 1767 if (netif_running(adapter->netdev))
1768 netxen_nic_enable_int(sds_ring);
1761 } 1769 }
1762 1770
1763 return work_done; 1771 return work_done;
diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c
index ec7cf5ac4f05..690b9c76d34e 100644
--- a/drivers/net/pcmcia/3c589_cs.c
+++ b/drivers/net/pcmcia/3c589_cs.c
@@ -156,6 +156,7 @@ static struct net_device_stats *el3_get_stats(struct net_device *dev);
156static int el3_rx(struct net_device *dev); 156static int el3_rx(struct net_device *dev);
157static int el3_close(struct net_device *dev); 157static int el3_close(struct net_device *dev);
158static void el3_tx_timeout(struct net_device *dev); 158static void el3_tx_timeout(struct net_device *dev);
159static void set_rx_mode(struct net_device *dev);
159static void set_multicast_list(struct net_device *dev); 160static void set_multicast_list(struct net_device *dev);
160static const struct ethtool_ops netdev_ethtool_ops; 161static const struct ethtool_ops netdev_ethtool_ops;
161 162
@@ -488,8 +489,7 @@ static void tc589_reset(struct net_device *dev)
488 /* Switch to register set 1 for normal use. */ 489 /* Switch to register set 1 for normal use. */
489 EL3WINDOW(1); 490 EL3WINDOW(1);
490 491
491 /* Accept b-cast and phys addr only. */ 492 set_rx_mode(dev);
492 outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD);
493 outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */ 493 outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */
494 outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */ 494 outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */
495 outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */ 495 outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */
@@ -700,7 +700,7 @@ static irqreturn_t el3_interrupt(int irq, void *dev_id)
700 if (fifo_diag & 0x2000) { 700 if (fifo_diag & 0x2000) {
701 /* Rx underrun */ 701 /* Rx underrun */
702 tc589_wait_for_completion(dev, RxReset); 702 tc589_wait_for_completion(dev, RxReset);
703 set_multicast_list(dev); 703 set_rx_mode(dev);
704 outw(RxEnable, ioaddr + EL3_CMD); 704 outw(RxEnable, ioaddr + EL3_CMD);
705 } 705 }
706 outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD); 706 outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
@@ -905,14 +905,11 @@ static int el3_rx(struct net_device *dev)
905 return 0; 905 return 0;
906} 906}
907 907
908static void set_multicast_list(struct net_device *dev) 908static void set_rx_mode(struct net_device *dev)
909{ 909{
910 struct el3_private *lp = netdev_priv(dev);
911 struct pcmcia_device *link = lp->p_dev;
912 unsigned int ioaddr = dev->base_addr; 910 unsigned int ioaddr = dev->base_addr;
913 u16 opts = SetRxFilter | RxStation | RxBroadcast; 911 u16 opts = SetRxFilter | RxStation | RxBroadcast;
914 912
915 if (!pcmcia_dev_present(link)) return;
916 if (dev->flags & IFF_PROMISC) 913 if (dev->flags & IFF_PROMISC)
917 opts |= RxMulticast | RxProm; 914 opts |= RxMulticast | RxProm;
918 else if (dev->mc_count || (dev->flags & IFF_ALLMULTI)) 915 else if (dev->mc_count || (dev->flags & IFF_ALLMULTI))
@@ -920,6 +917,16 @@ static void set_multicast_list(struct net_device *dev)
920 outw(opts, ioaddr + EL3_CMD); 917 outw(opts, ioaddr + EL3_CMD);
921} 918}
922 919
920static void set_multicast_list(struct net_device *dev)
921{
922 struct el3_private *priv = netdev_priv(dev);
923 unsigned long flags;
924
925 spin_lock_irqsave(&priv->lock, flags);
926 set_rx_mode(dev);
927 spin_unlock_irqrestore(&priv->lock, flags);
928}
929
923static int el3_close(struct net_device *dev) 930static int el3_close(struct net_device *dev)
924{ 931{
925 struct el3_private *lp = netdev_priv(dev); 932 struct el3_private *lp = netdev_priv(dev);
diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c
index 18821f217e19..e3156c97bb58 100644
--- a/drivers/net/sc92031.c
+++ b/drivers/net/sc92031.c
@@ -1593,6 +1593,7 @@ out:
1593static struct pci_device_id sc92031_pci_device_id_table[] __devinitdata = { 1593static struct pci_device_id sc92031_pci_device_id_table[] __devinitdata = {
1594 { PCI_DEVICE(PCI_VENDOR_ID_SILAN, 0x2031) }, 1594 { PCI_DEVICE(PCI_VENDOR_ID_SILAN, 0x2031) },
1595 { PCI_DEVICE(PCI_VENDOR_ID_SILAN, 0x8139) }, 1595 { PCI_DEVICE(PCI_VENDOR_ID_SILAN, 0x8139) },
1596 { PCI_DEVICE(0x1088, 0x2031) },
1596 { 0, } 1597 { 0, }
1597}; 1598};
1598MODULE_DEVICE_TABLE(pci, sc92031_pci_device_id_table); 1599MODULE_DEVICE_TABLE(pci, sc92031_pci_device_id_table);
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index daf961ab68bc..3550c5dcd93c 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1151,14 +1151,7 @@ stopped:
1151 1151
1152 /* reset the Rx prefetch unit */ 1152 /* reset the Rx prefetch unit */
1153 sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); 1153 sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET);
1154 1154 mmiowb();
1155 /* Reset the RAM Buffer receive queue */
1156 sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_RST_SET);
1157
1158 /* Reset Rx MAC FIFO */
1159 sky2_write8(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), GMF_RST_SET);
1160
1161 sky2_read8(hw, B0_CTST);
1162} 1155}
1163 1156
1164/* Clean out receive buffer area, assumes receiver hardware stopped */ 1157/* Clean out receive buffer area, assumes receiver hardware stopped */
@@ -1825,12 +1818,6 @@ static int sky2_down(struct net_device *dev)
1825 if (netif_msg_ifdown(sky2)) 1818 if (netif_msg_ifdown(sky2))
1826 printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); 1819 printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
1827 1820
1828 /* Disable port IRQ */
1829 imask = sky2_read32(hw, B0_IMSK);
1830 imask &= ~portirq_msk[port];
1831 sky2_write32(hw, B0_IMSK, imask);
1832 sky2_read32(hw, B0_IMSK);
1833
1834 /* Force flow control off */ 1821 /* Force flow control off */
1835 sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); 1822 sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF);
1836 1823
@@ -1870,8 +1857,6 @@ static int sky2_down(struct net_device *dev)
1870 1857
1871 sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); 1858 sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
1872 1859
1873 sky2_rx_stop(sky2);
1874
1875 sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); 1860 sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
1876 sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); 1861 sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
1877 1862
@@ -1881,6 +1866,14 @@ static int sky2_down(struct net_device *dev)
1881 sky2_write32(hw, STAT_ISR_TIMER_CNT, 0); 1866 sky2_write32(hw, STAT_ISR_TIMER_CNT, 0);
1882 sky2_read8(hw, STAT_ISR_TIMER_CTRL); 1867 sky2_read8(hw, STAT_ISR_TIMER_CTRL);
1883 1868
1869 sky2_rx_stop(sky2);
1870
1871 /* Disable port IRQ */
1872 imask = sky2_read32(hw, B0_IMSK);
1873 imask &= ~portirq_msk[port];
1874 sky2_write32(hw, B0_IMSK, imask);
1875 sky2_read32(hw, B0_IMSK);
1876
1884 synchronize_irq(hw->pdev->irq); 1877 synchronize_irq(hw->pdev->irq);
1885 napi_synchronize(&hw->napi); 1878 napi_synchronize(&hw->napi);
1886 1879
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index a906d3998131..c47237c2d638 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -369,4 +369,12 @@ config USB_NET_INT51X1
369 (Powerline Communications) solution with an Intellon 369 (Powerline Communications) solution with an Intellon
370 INT51x1/INT5200 chip, like the "devolo dLan duo". 370 INT51x1/INT5200 chip, like the "devolo dLan duo".
371 371
372config USB_CDC_PHONET
373 tristate "CDC Phonet support"
374 depends on PHONET
375 help
376 Choose this option to support the Phonet interface to a Nokia
377 cellular modem, as found on most Nokia handsets with the
378 "PC suite" USB profile.
379
372endmenu 380endmenu
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index b870b0b1cbe0..e17afb78f372 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -21,4 +21,5 @@ obj-$(CONFIG_USB_NET_ZAURUS) += zaurus.o
21obj-$(CONFIG_USB_NET_MCS7830) += mcs7830.o 21obj-$(CONFIG_USB_NET_MCS7830) += mcs7830.o
22obj-$(CONFIG_USB_USBNET) += usbnet.o 22obj-$(CONFIG_USB_USBNET) += usbnet.o
23obj-$(CONFIG_USB_NET_INT51X1) += int51x1.o 23obj-$(CONFIG_USB_NET_INT51X1) += int51x1.o
24obj-$(CONFIG_USB_CDC_PHONET) += cdc-phonet.o
24 25
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
new file mode 100644
index 000000000000..792af72da8ac
--- /dev/null
+++ b/drivers/net/usb/cdc-phonet.c
@@ -0,0 +1,461 @@
1/*
2 * phonet.c -- USB CDC Phonet host driver
3 *
4 * Copyright (C) 2008-2009 Nokia Corporation. All rights reserved.
5 *
6 * Author: Rémi Denis-Courmont
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms 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 that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more 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
20 * 02110-1301 USA
21 */
22
23#include <linux/kernel.h>
24#include <linux/module.h>
25#include <linux/usb.h>
26#include <linux/usb/cdc.h>
27#include <linux/netdevice.h>
28#include <linux/if_arp.h>
29#include <linux/if_phonet.h>
30
31#define PN_MEDIA_USB 0x1B
32
33static const unsigned rxq_size = 17;
34
35struct usbpn_dev {
36 struct net_device *dev;
37
38 struct usb_interface *intf, *data_intf;
39 struct usb_device *usb;
40 unsigned int tx_pipe, rx_pipe;
41 u8 active_setting;
42 u8 disconnected;
43
44 unsigned tx_queue;
45 spinlock_t tx_lock;
46
47 spinlock_t rx_lock;
48 struct sk_buff *rx_skb;
49 struct urb *urbs[0];
50};
51
52static void tx_complete(struct urb *req);
53static void rx_complete(struct urb *req);
54
55/*
56 * Network device callbacks
57 */
58static int usbpn_xmit(struct sk_buff *skb, struct net_device *dev)
59{
60 struct usbpn_dev *pnd = netdev_priv(dev);
61 struct urb *req = NULL;
62 unsigned long flags;
63 int err;
64
65 if (skb->protocol != htons(ETH_P_PHONET))
66 goto drop;
67
68 req = usb_alloc_urb(0, GFP_ATOMIC);
69 if (!req)
70 goto drop;
71 usb_fill_bulk_urb(req, pnd->usb, pnd->tx_pipe, skb->data, skb->len,
72 tx_complete, skb);
73 req->transfer_flags = URB_ZERO_PACKET;
74 err = usb_submit_urb(req, GFP_ATOMIC);
75 if (err) {
76 usb_free_urb(req);
77 goto drop;
78 }
79
80 spin_lock_irqsave(&pnd->tx_lock, flags);
81 pnd->tx_queue++;
82 if (pnd->tx_queue >= dev->tx_queue_len)
83 netif_stop_queue(dev);
84 spin_unlock_irqrestore(&pnd->tx_lock, flags);
85 return 0;
86
87drop:
88 dev_kfree_skb(skb);
89 dev->stats.tx_dropped++;
90 return 0;
91}
92
93static void tx_complete(struct urb *req)
94{
95 struct sk_buff *skb = req->context;
96 struct net_device *dev = skb->dev;
97 struct usbpn_dev *pnd = netdev_priv(dev);
98
99 switch (req->status) {
100 case 0:
101 dev->stats.tx_bytes += skb->len;
102 break;
103
104 case -ENOENT:
105 case -ECONNRESET:
106 case -ESHUTDOWN:
107 dev->stats.tx_aborted_errors++;
108 default:
109 dev->stats.tx_errors++;
110 dev_dbg(&dev->dev, "TX error (%d)\n", req->status);
111 }
112 dev->stats.tx_packets++;
113
114 spin_lock(&pnd->tx_lock);
115 pnd->tx_queue--;
116 netif_wake_queue(dev);
117 spin_unlock(&pnd->tx_lock);
118
119 dev_kfree_skb_any(skb);
120 usb_free_urb(req);
121}
122
123static int rx_submit(struct usbpn_dev *pnd, struct urb *req, gfp_t gfp_flags)
124{
125 struct net_device *dev = pnd->dev;
126 struct page *page;
127 int err;
128
129 page = __netdev_alloc_page(dev, gfp_flags);
130 if (!page)
131 return -ENOMEM;
132
133 usb_fill_bulk_urb(req, pnd->usb, pnd->rx_pipe, page_address(page),
134 PAGE_SIZE, rx_complete, dev);
135 req->transfer_flags = 0;
136 err = usb_submit_urb(req, gfp_flags);
137 if (unlikely(err)) {
138 dev_dbg(&dev->dev, "RX submit error (%d)\n", err);
139 netdev_free_page(dev, page);
140 }
141 return err;
142}
143
144static void rx_complete(struct urb *req)
145{
146 struct net_device *dev = req->context;
147 struct usbpn_dev *pnd = netdev_priv(dev);
148 struct page *page = virt_to_page(req->transfer_buffer);
149 struct sk_buff *skb;
150 unsigned long flags;
151
152 switch (req->status) {
153 case 0:
154 spin_lock_irqsave(&pnd->rx_lock, flags);
155 skb = pnd->rx_skb;
156 if (!skb) {
157 skb = pnd->rx_skb = netdev_alloc_skb(dev, 12);
158 if (likely(skb)) {
159 /* Can't use pskb_pull() on page in IRQ */
160 memcpy(skb_put(skb, 1), page_address(page), 1);
161 skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
162 page, 1, req->actual_length);
163 page = NULL;
164 }
165 } else {
166 skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
167 page, 0, req->actual_length);
168 page = NULL;
169 }
170 if (req->actual_length < PAGE_SIZE)
171 pnd->rx_skb = NULL; /* Last fragment */
172 else
173 skb = NULL;
174 spin_unlock_irqrestore(&pnd->rx_lock, flags);
175 if (skb) {
176 skb->protocol = htons(ETH_P_PHONET);
177 skb_reset_mac_header(skb);
178 __skb_pull(skb, 1);
179 skb->dev = dev;
180 dev->stats.rx_packets++;
181 dev->stats.rx_bytes += skb->len;
182
183 netif_rx(skb);
184 }
185 goto resubmit;
186
187 case -ENOENT:
188 case -ECONNRESET:
189 case -ESHUTDOWN:
190 req = NULL;
191 break;
192
193 case -EOVERFLOW:
194 dev->stats.rx_over_errors++;
195 dev_dbg(&dev->dev, "RX overflow\n");
196 break;
197
198 case -EILSEQ:
199 dev->stats.rx_crc_errors++;
200 break;
201 }
202
203 dev->stats.rx_errors++;
204resubmit:
205 if (page)
206 netdev_free_page(dev, page);
207 if (req)
208 rx_submit(pnd, req, GFP_ATOMIC);
209}
210
211static int usbpn_close(struct net_device *dev);
212
213static int usbpn_open(struct net_device *dev)
214{
215 struct usbpn_dev *pnd = netdev_priv(dev);
216 int err;
217 unsigned i;
218 unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber;
219
220 err = usb_set_interface(pnd->usb, num, pnd->active_setting);
221 if (err)
222 return err;
223
224 for (i = 0; i < rxq_size; i++) {
225 struct urb *req = usb_alloc_urb(0, GFP_KERNEL);
226
227 if (!req || rx_submit(pnd, req, GFP_KERNEL)) {
228 usbpn_close(dev);
229 return -ENOMEM;
230 }
231 pnd->urbs[i] = req;
232 }
233
234 netif_wake_queue(dev);
235 return 0;
236}
237
238static int usbpn_close(struct net_device *dev)
239{
240 struct usbpn_dev *pnd = netdev_priv(dev);
241 unsigned i;
242 unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber;
243
244 netif_stop_queue(dev);
245
246 for (i = 0; i < rxq_size; i++) {
247 struct urb *req = pnd->urbs[i];
248
249 if (!req)
250 continue;
251 usb_kill_urb(req);
252 usb_free_urb(req);
253 pnd->urbs[i] = NULL;
254 }
255
256 return usb_set_interface(pnd->usb, num, !pnd->active_setting);
257}
258
259static int usbpn_set_mtu(struct net_device *dev, int new_mtu)
260{
261 if ((new_mtu < PHONET_MIN_MTU) || (new_mtu > PHONET_MAX_MTU))
262 return -EINVAL;
263
264 dev->mtu = new_mtu;
265 return 0;
266}
267
268static const struct net_device_ops usbpn_ops = {
269 .ndo_open = usbpn_open,
270 .ndo_stop = usbpn_close,
271 .ndo_start_xmit = usbpn_xmit,
272 .ndo_change_mtu = usbpn_set_mtu,
273};
274
275static void usbpn_setup(struct net_device *dev)
276{
277 dev->features = 0;
278 dev->netdev_ops = &usbpn_ops,
279 dev->header_ops = &phonet_header_ops;
280 dev->type = ARPHRD_PHONET;
281 dev->flags = IFF_POINTOPOINT | IFF_NOARP;
282 dev->mtu = PHONET_MAX_MTU;
283 dev->hard_header_len = 1;
284 dev->dev_addr[0] = PN_MEDIA_USB;
285 dev->addr_len = 1;
286 dev->tx_queue_len = 3;
287
288 dev->destructor = free_netdev;
289}
290
291/*
292 * USB driver callbacks
293 */
294static struct usb_device_id usbpn_ids[] = {
295 {
296 .match_flags = USB_DEVICE_ID_MATCH_VENDOR
297 | USB_DEVICE_ID_MATCH_INT_CLASS
298 | USB_DEVICE_ID_MATCH_INT_SUBCLASS,
299 .idVendor = 0x0421, /* Nokia */
300 .bInterfaceClass = USB_CLASS_COMM,
301 .bInterfaceSubClass = 0xFE,
302 },
303 { },
304};
305
306MODULE_DEVICE_TABLE(usb, usbpn_ids);
307
308static struct usb_driver usbpn_driver;
309
310int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id)
311{
312 static const char ifname[] = "usbpn%d";
313 const struct usb_cdc_union_desc *union_header = NULL;
314 const struct usb_cdc_header_desc *phonet_header = NULL;
315 const struct usb_host_interface *data_desc;
316 struct usb_interface *data_intf;
317 struct usb_device *usbdev = interface_to_usbdev(intf);
318 struct net_device *dev;
319 struct usbpn_dev *pnd;
320 u8 *data;
321 int len, err;
322
323 data = intf->altsetting->extra;
324 len = intf->altsetting->extralen;
325 while (len >= 3) {
326 u8 dlen = data[0];
327 if (dlen < 3)
328 return -EINVAL;
329
330 /* bDescriptorType */
331 if (data[1] == USB_DT_CS_INTERFACE) {
332 /* bDescriptorSubType */
333 switch (data[2]) {
334 case USB_CDC_UNION_TYPE:
335 if (union_header || dlen < 5)
336 break;
337 union_header =
338 (struct usb_cdc_union_desc *)data;
339 break;
340 case 0xAB:
341 if (phonet_header || dlen < 5)
342 break;
343 phonet_header =
344 (struct usb_cdc_header_desc *)data;
345 break;
346 }
347 }
348 data += dlen;
349 len -= dlen;
350 }
351
352 if (!union_header || !phonet_header)
353 return -EINVAL;
354
355 data_intf = usb_ifnum_to_if(usbdev, union_header->bSlaveInterface0);
356 if (data_intf == NULL)
357 return -ENODEV;
358 /* Data interface has one inactive and one active setting */
359 if (data_intf->num_altsetting != 2)
360 return -EINVAL;
361 if (data_intf->altsetting[0].desc.bNumEndpoints == 0
362 && data_intf->altsetting[1].desc.bNumEndpoints == 2)
363 data_desc = data_intf->altsetting + 1;
364 else
365 if (data_intf->altsetting[0].desc.bNumEndpoints == 2
366 && data_intf->altsetting[1].desc.bNumEndpoints == 0)
367 data_desc = data_intf->altsetting;
368 else
369 return -EINVAL;
370
371 dev = alloc_netdev(sizeof(*pnd) + sizeof(pnd->urbs[0]) * rxq_size,
372 ifname, usbpn_setup);
373 if (!dev)
374 return -ENOMEM;
375
376 pnd = netdev_priv(dev);
377 SET_NETDEV_DEV(dev, &intf->dev);
378 netif_stop_queue(dev);
379
380 pnd->dev = dev;
381 pnd->usb = usb_get_dev(usbdev);
382 pnd->intf = intf;
383 pnd->data_intf = data_intf;
384 spin_lock_init(&pnd->tx_lock);
385 spin_lock_init(&pnd->rx_lock);
386 /* Endpoints */
387 if (usb_pipein(data_desc->endpoint[0].desc.bEndpointAddress)) {
388 pnd->rx_pipe = usb_rcvbulkpipe(usbdev,
389 data_desc->endpoint[0].desc.bEndpointAddress);
390 pnd->tx_pipe = usb_sndbulkpipe(usbdev,
391 data_desc->endpoint[1].desc.bEndpointAddress);
392 } else {
393 pnd->rx_pipe = usb_rcvbulkpipe(usbdev,
394 data_desc->endpoint[1].desc.bEndpointAddress);
395 pnd->tx_pipe = usb_sndbulkpipe(usbdev,
396 data_desc->endpoint[0].desc.bEndpointAddress);
397 }
398 pnd->active_setting = data_desc - data_intf->altsetting;
399
400 err = usb_driver_claim_interface(&usbpn_driver, data_intf, pnd);
401 if (err)
402 goto out;
403
404 /* Force inactive mode until the network device is brought UP */
405 usb_set_interface(usbdev, union_header->bSlaveInterface0,
406 !pnd->active_setting);
407 usb_set_intfdata(intf, pnd);
408
409 err = register_netdev(dev);
410 if (err) {
411 usb_driver_release_interface(&usbpn_driver, data_intf);
412 goto out;
413 }
414
415 dev_dbg(&dev->dev, "USB CDC Phonet device found\n");
416 return 0;
417
418out:
419 usb_set_intfdata(intf, NULL);
420 free_netdev(dev);
421 return err;
422}
423
424static void usbpn_disconnect(struct usb_interface *intf)
425{
426 struct usbpn_dev *pnd = usb_get_intfdata(intf);
427 struct usb_device *usb = pnd->usb;
428
429 if (pnd->disconnected)
430 return;
431
432 pnd->disconnected = 1;
433 usb_driver_release_interface(&usbpn_driver,
434 (pnd->intf == intf) ? pnd->data_intf : pnd->intf);
435 unregister_netdev(pnd->dev);
436 usb_put_dev(usb);
437}
438
439static struct usb_driver usbpn_driver = {
440 .name = "cdc_phonet",
441 .probe = usbpn_probe,
442 .disconnect = usbpn_disconnect,
443 .id_table = usbpn_ids,
444};
445
446static int __init usbpn_init(void)
447{
448 return usb_register(&usbpn_driver);
449}
450
451static void __exit usbpn_exit(void)
452{
453 usb_deregister(&usbpn_driver);
454}
455
456module_init(usbpn_init);
457module_exit(usbpn_exit);
458
459MODULE_AUTHOR("Remi Denis-Courmont");
460MODULE_DESCRIPTION("USB CDC Phonet host interface");
461MODULE_LICENSE("GPL");
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
index cd35d50e46d4..45cebfb302cf 100644
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -311,7 +311,7 @@ static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
311 * bmCRC = 0 : CRC = 0xDEADBEEF 311 * bmCRC = 0 : CRC = 0xDEADBEEF
312 */ 312 */
313 if (header & BIT(14)) 313 if (header & BIT(14))
314 crc2 = ~crc32_le(~0, skb2->data, len); 314 crc2 = ~crc32_le(~0, skb2->data, skb2->len);
315 else 315 else
316 crc2 = 0xdeadbeef; 316 crc2 = 0xdeadbeef;
317 317
diff --git a/include/net/sock.h b/include/net/sock.h
index 2c0da9239b95..950409dcec3d 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -104,15 +104,15 @@ struct net;
104 104
105/** 105/**
106 * struct sock_common - minimal network layer representation of sockets 106 * struct sock_common - minimal network layer representation of sockets
107 * @skc_node: main hash linkage for various protocol lookup tables
108 * @skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol
109 * @skc_refcnt: reference count
110 * @skc_hash: hash value used with various protocol lookup tables
107 * @skc_family: network address family 111 * @skc_family: network address family
108 * @skc_state: Connection state 112 * @skc_state: Connection state
109 * @skc_reuse: %SO_REUSEADDR setting 113 * @skc_reuse: %SO_REUSEADDR setting
110 * @skc_bound_dev_if: bound device index if != 0 114 * @skc_bound_dev_if: bound device index if != 0
111 * @skc_node: main hash linkage for various protocol lookup tables
112 * @skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol
113 * @skc_bind_node: bind hash linkage for various protocol lookup tables 115 * @skc_bind_node: bind hash linkage for various protocol lookup tables
114 * @skc_refcnt: reference count
115 * @skc_hash: hash value used with various protocol lookup tables
116 * @skc_prot: protocol handlers inside a network family 116 * @skc_prot: protocol handlers inside a network family
117 * @skc_net: reference to the network namespace of this socket 117 * @skc_net: reference to the network namespace of this socket
118 * 118 *
@@ -120,17 +120,21 @@ struct net;
120 * for struct sock and struct inet_timewait_sock. 120 * for struct sock and struct inet_timewait_sock.
121 */ 121 */
122struct sock_common { 122struct sock_common {
123 unsigned short skc_family; 123 /*
124 volatile unsigned char skc_state; 124 * first fields are not copied in sock_copy()
125 unsigned char skc_reuse; 125 */
126 int skc_bound_dev_if;
127 union { 126 union {
128 struct hlist_node skc_node; 127 struct hlist_node skc_node;
129 struct hlist_nulls_node skc_nulls_node; 128 struct hlist_nulls_node skc_nulls_node;
130 }; 129 };
131 struct hlist_node skc_bind_node;
132 atomic_t skc_refcnt; 130 atomic_t skc_refcnt;
131
133 unsigned int skc_hash; 132 unsigned int skc_hash;
133 unsigned short skc_family;
134 volatile unsigned char skc_state;
135 unsigned char skc_reuse;
136 int skc_bound_dev_if;
137 struct hlist_node skc_bind_node;
134 struct proto *skc_prot; 138 struct proto *skc_prot;
135#ifdef CONFIG_NET_NS 139#ifdef CONFIG_NET_NS
136 struct net *skc_net; 140 struct net *skc_net;
@@ -208,15 +212,17 @@ struct sock {
208 * don't add nothing before this first member (__sk_common) --acme 212 * don't add nothing before this first member (__sk_common) --acme
209 */ 213 */
210 struct sock_common __sk_common; 214 struct sock_common __sk_common;
215#define sk_node __sk_common.skc_node
216#define sk_nulls_node __sk_common.skc_nulls_node
217#define sk_refcnt __sk_common.skc_refcnt
218
219#define sk_copy_start __sk_common.skc_hash
220#define sk_hash __sk_common.skc_hash
211#define sk_family __sk_common.skc_family 221#define sk_family __sk_common.skc_family
212#define sk_state __sk_common.skc_state 222#define sk_state __sk_common.skc_state
213#define sk_reuse __sk_common.skc_reuse 223#define sk_reuse __sk_common.skc_reuse
214#define sk_bound_dev_if __sk_common.skc_bound_dev_if 224#define sk_bound_dev_if __sk_common.skc_bound_dev_if
215#define sk_node __sk_common.skc_node
216#define sk_nulls_node __sk_common.skc_nulls_node
217#define sk_bind_node __sk_common.skc_bind_node 225#define sk_bind_node __sk_common.skc_bind_node
218#define sk_refcnt __sk_common.skc_refcnt
219#define sk_hash __sk_common.skc_hash
220#define sk_prot __sk_common.skc_prot 226#define sk_prot __sk_common.skc_prot
221#define sk_net __sk_common.skc_net 227#define sk_net __sk_common.skc_net
222 kmemcheck_bitfield_begin(flags); 228 kmemcheck_bitfield_begin(flags);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 19f4150f4d4d..88af84306471 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1425,6 +1425,11 @@ struct tcp_request_sock_ops {
1425#ifdef CONFIG_TCP_MD5SIG 1425#ifdef CONFIG_TCP_MD5SIG
1426 struct tcp_md5sig_key *(*md5_lookup) (struct sock *sk, 1426 struct tcp_md5sig_key *(*md5_lookup) (struct sock *sk,
1427 struct request_sock *req); 1427 struct request_sock *req);
1428 int (*calc_md5_hash) (char *location,
1429 struct tcp_md5sig_key *md5,
1430 struct sock *sk,
1431 struct request_sock *req,
1432 struct sk_buff *skb);
1428#endif 1433#endif
1429}; 1434};
1430 1435
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 95d7f32643ae..72720c710351 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -75,6 +75,7 @@ static __initdata const char banner[] = KERN_INFO
75MODULE_DESCRIPTION("PF_CAN broadcast manager protocol"); 75MODULE_DESCRIPTION("PF_CAN broadcast manager protocol");
76MODULE_LICENSE("Dual BSD/GPL"); 76MODULE_LICENSE("Dual BSD/GPL");
77MODULE_AUTHOR("Oliver Hartkopp <oliver.hartkopp@volkswagen.de>"); 77MODULE_AUTHOR("Oliver Hartkopp <oliver.hartkopp@volkswagen.de>");
78MODULE_ALIAS("can-proto-2");
78 79
79/* easy access to can_frame payload */ 80/* easy access to can_frame payload */
80static inline u64 GET_U64(const struct can_frame *cp) 81static inline u64 GET_U64(const struct can_frame *cp)
@@ -1469,6 +1470,9 @@ static int bcm_release(struct socket *sock)
1469 bo->ifindex = 0; 1470 bo->ifindex = 0;
1470 } 1471 }
1471 1472
1473 sock_orphan(sk);
1474 sock->sk = NULL;
1475
1472 release_sock(sk); 1476 release_sock(sk);
1473 sock_put(sk); 1477 sock_put(sk);
1474 1478
diff --git a/net/can/raw.c b/net/can/raw.c
index 6aa154e806ae..f4cc44548bda 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -62,6 +62,7 @@ static __initdata const char banner[] =
62MODULE_DESCRIPTION("PF_CAN raw protocol"); 62MODULE_DESCRIPTION("PF_CAN raw protocol");
63MODULE_LICENSE("Dual BSD/GPL"); 63MODULE_LICENSE("Dual BSD/GPL");
64MODULE_AUTHOR("Urs Thuermann <urs.thuermann@volkswagen.de>"); 64MODULE_AUTHOR("Urs Thuermann <urs.thuermann@volkswagen.de>");
65MODULE_ALIAS("can-proto-1");
65 66
66#define MASK_ALL 0 67#define MASK_ALL 0
67 68
@@ -306,6 +307,9 @@ static int raw_release(struct socket *sock)
306 ro->bound = 0; 307 ro->bound = 0;
307 ro->count = 0; 308 ro->count = 0;
308 309
310 sock_orphan(sk);
311 sock->sk = NULL;
312
309 release_sock(sk); 313 release_sock(sk);
310 sock_put(sk); 314 sock_put(sk);
311 315
diff --git a/net/core/sock.c b/net/core/sock.c
index ba5d2116aea1..bbb25be7ddfe 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -631,7 +631,7 @@ set_rcvbuf:
631 631
632 case SO_TIMESTAMPING: 632 case SO_TIMESTAMPING:
633 if (val & ~SOF_TIMESTAMPING_MASK) { 633 if (val & ~SOF_TIMESTAMPING_MASK) {
634 ret = EINVAL; 634 ret = -EINVAL;
635 break; 635 break;
636 } 636 }
637 sock_valbool_flag(sk, SOCK_TIMESTAMPING_TX_HARDWARE, 637 sock_valbool_flag(sk, SOCK_TIMESTAMPING_TX_HARDWARE,
@@ -919,13 +919,19 @@ static inline void sock_lock_init(struct sock *sk)
919 af_family_keys + sk->sk_family); 919 af_family_keys + sk->sk_family);
920} 920}
921 921
922/*
923 * Copy all fields from osk to nsk but nsk->sk_refcnt must not change yet,
924 * even temporarly, because of RCU lookups. sk_node should also be left as is.
925 */
922static void sock_copy(struct sock *nsk, const struct sock *osk) 926static void sock_copy(struct sock *nsk, const struct sock *osk)
923{ 927{
924#ifdef CONFIG_SECURITY_NETWORK 928#ifdef CONFIG_SECURITY_NETWORK
925 void *sptr = nsk->sk_security; 929 void *sptr = nsk->sk_security;
926#endif 930#endif
927 931 BUILD_BUG_ON(offsetof(struct sock, sk_copy_start) !=
928 memcpy(nsk, osk, osk->sk_prot->obj_size); 932 sizeof(osk->sk_node) + sizeof(osk->sk_refcnt));
933 memcpy(&nsk->sk_copy_start, &osk->sk_copy_start,
934 osk->sk_prot->obj_size - offsetof(struct sock, sk_copy_start));
929#ifdef CONFIG_SECURITY_NETWORK 935#ifdef CONFIG_SECURITY_NETWORK
930 nsk->sk_security = sptr; 936 nsk->sk_security = sptr;
931 security_sk_clone(osk, nsk); 937 security_sk_clone(osk, nsk);
@@ -1140,6 +1146,11 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
1140 1146
1141 newsk->sk_err = 0; 1147 newsk->sk_err = 0;
1142 newsk->sk_priority = 0; 1148 newsk->sk_priority = 0;
1149 /*
1150 * Before updating sk_refcnt, we must commit prior changes to memory
1151 * (Documentation/RCU/rculist_nulls.txt for details)
1152 */
1153 smp_wmb();
1143 atomic_set(&newsk->sk_refcnt, 2); 1154 atomic_set(&newsk->sk_refcnt, 2);
1144 1155
1145 /* 1156 /*
@@ -1855,6 +1866,11 @@ void sock_init_data(struct socket *sock, struct sock *sk)
1855 1866
1856 sk->sk_stamp = ktime_set(-1L, 0); 1867 sk->sk_stamp = ktime_set(-1L, 0);
1857 1868
1869 /*
1870 * Before updating sk_refcnt, we must commit prior changes to memory
1871 * (Documentation/RCU/rculist_nulls.txt for details)
1872 */
1873 smp_wmb();
1858 atomic_set(&sk->sk_refcnt, 1); 1874 atomic_set(&sk->sk_refcnt, 1);
1859 atomic_set(&sk->sk_wmem_alloc, 1); 1875 atomic_set(&sk->sk_wmem_alloc, 1);
1860 atomic_set(&sk->sk_drops, 0); 1876 atomic_set(&sk->sk_drops, 0);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 5a1ca2698c88..6d88219c5e22 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1160,6 +1160,7 @@ struct request_sock_ops tcp_request_sock_ops __read_mostly = {
1160#ifdef CONFIG_TCP_MD5SIG 1160#ifdef CONFIG_TCP_MD5SIG
1161static struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = { 1161static struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = {
1162 .md5_lookup = tcp_v4_reqsk_md5_lookup, 1162 .md5_lookup = tcp_v4_reqsk_md5_lookup,
1163 .calc_md5_hash = tcp_v4_md5_hash_skb,
1163}; 1164};
1164#endif 1165#endif
1165 1166
@@ -1373,7 +1374,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
1373 */ 1374 */
1374 char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC); 1375 char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC);
1375 if (newkey != NULL) 1376 if (newkey != NULL)
1376 tcp_v4_md5_do_add(newsk, inet_sk(sk)->daddr, 1377 tcp_v4_md5_do_add(newsk, newinet->daddr,
1377 newkey, key->keylen); 1378 newkey, key->keylen);
1378 newsk->sk_route_caps &= ~NETIF_F_GSO_MASK; 1379 newsk->sk_route_caps &= ~NETIF_F_GSO_MASK;
1379 } 1380 }
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5bdf08d312d9..bd62712848fa 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2261,7 +2261,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
2261#ifdef CONFIG_TCP_MD5SIG 2261#ifdef CONFIG_TCP_MD5SIG
2262 /* Okay, we have all we need - do the md5 hash if needed */ 2262 /* Okay, we have all we need - do the md5 hash if needed */
2263 if (md5) { 2263 if (md5) {
2264 tp->af_specific->calc_md5_hash(md5_hash_location, 2264 tcp_rsk(req)->af_specific->calc_md5_hash(md5_hash_location,
2265 md5, NULL, req, skb); 2265 md5, NULL, req, skb);
2266 } 2266 }
2267#endif 2267#endif
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 58810c65b635..d849dd53b788 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -896,6 +896,7 @@ struct request_sock_ops tcp6_request_sock_ops __read_mostly = {
896#ifdef CONFIG_TCP_MD5SIG 896#ifdef CONFIG_TCP_MD5SIG
897static struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = { 897static struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
898 .md5_lookup = tcp_v6_reqsk_md5_lookup, 898 .md5_lookup = tcp_v6_reqsk_md5_lookup,
899 .calc_md5_hash = tcp_v6_md5_hash_skb,
899}; 900};
900#endif 901#endif
901 902
@@ -1441,7 +1442,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
1441 */ 1442 */
1442 char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC); 1443 char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC);
1443 if (newkey != NULL) 1444 if (newkey != NULL)
1444 tcp_v6_md5_do_add(newsk, &inet6_sk(sk)->daddr, 1445 tcp_v6_md5_do_add(newsk, &newnp->daddr,
1445 newkey, key->keylen); 1446 newkey, key->keylen);
1446 } 1447 }
1447#endif 1448#endif
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 7508f11c5b39..b5869b9574b0 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -561,23 +561,38 @@ struct nf_conn *nf_conntrack_alloc(struct net *net,
561 } 561 }
562 } 562 }
563 563
564 ct = kmem_cache_zalloc(nf_conntrack_cachep, gfp); 564 /*
565 * Do not use kmem_cache_zalloc(), as this cache uses
566 * SLAB_DESTROY_BY_RCU.
567 */
568 ct = kmem_cache_alloc(nf_conntrack_cachep, gfp);
565 if (ct == NULL) { 569 if (ct == NULL) {
566 pr_debug("nf_conntrack_alloc: Can't alloc conntrack.\n"); 570 pr_debug("nf_conntrack_alloc: Can't alloc conntrack.\n");
567 atomic_dec(&net->ct.count); 571 atomic_dec(&net->ct.count);
568 return ERR_PTR(-ENOMEM); 572 return ERR_PTR(-ENOMEM);
569 } 573 }
570 574 /*
575 * Let ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode.next
576 * and ct->tuplehash[IP_CT_DIR_REPLY].hnnode.next unchanged.
577 */
578 memset(&ct->tuplehash[IP_CT_DIR_MAX], 0,
579 sizeof(*ct) - offsetof(struct nf_conn, tuplehash[IP_CT_DIR_MAX]));
571 spin_lock_init(&ct->lock); 580 spin_lock_init(&ct->lock);
572 atomic_set(&ct->ct_general.use, 1);
573 ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple = *orig; 581 ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple = *orig;
582 ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode.pprev = NULL;
574 ct->tuplehash[IP_CT_DIR_REPLY].tuple = *repl; 583 ct->tuplehash[IP_CT_DIR_REPLY].tuple = *repl;
584 ct->tuplehash[IP_CT_DIR_REPLY].hnnode.pprev = NULL;
575 /* Don't set timer yet: wait for confirmation */ 585 /* Don't set timer yet: wait for confirmation */
576 setup_timer(&ct->timeout, death_by_timeout, (unsigned long)ct); 586 setup_timer(&ct->timeout, death_by_timeout, (unsigned long)ct);
577#ifdef CONFIG_NET_NS 587#ifdef CONFIG_NET_NS
578 ct->ct_net = net; 588 ct->ct_net = net;
579#endif 589#endif
580 590
591 /*
592 * changes to lookup keys must be done before setting refcnt to 1
593 */
594 smp_wmb();
595 atomic_set(&ct->ct_general.use, 1);
581 return ct; 596 return ct;
582} 597}
583EXPORT_SYMBOL_GPL(nf_conntrack_alloc); 598EXPORT_SYMBOL_GPL(nf_conntrack_alloc);
diff --git a/net/netfilter/xt_osf.c b/net/netfilter/xt_osf.c
index 863e40977a4d..0f482e2440b4 100644
--- a/net/netfilter/xt_osf.c
+++ b/net/netfilter/xt_osf.c
@@ -330,7 +330,8 @@ static bool xt_osf_match_packet(const struct sk_buff *skb,
330 fcount++; 330 fcount++;
331 331
332 if (info->flags & XT_OSF_LOG) 332 if (info->flags & XT_OSF_LOG)
333 nf_log_packet(p->hooknum, 0, skb, p->in, p->out, NULL, 333 nf_log_packet(p->family, p->hooknum, skb,
334 p->in, p->out, NULL,
334 "%s [%s:%s] : %pi4:%d -> %pi4:%d hops=%d\n", 335 "%s [%s:%s] : %pi4:%d -> %pi4:%d hops=%d\n",
335 f->genre, f->version, f->subtype, 336 f->genre, f->version, f->subtype,
336 &ip->saddr, ntohs(tcp->source), 337 &ip->saddr, ntohs(tcp->source),
@@ -345,7 +346,7 @@ static bool xt_osf_match_packet(const struct sk_buff *skb,
345 rcu_read_unlock(); 346 rcu_read_unlock();
346 347
347 if (!fcount && (info->flags & XT_OSF_LOG)) 348 if (!fcount && (info->flags & XT_OSF_LOG))
348 nf_log_packet(p->hooknum, 0, skb, p->in, p->out, NULL, 349 nf_log_packet(p->family, p->hooknum, skb, p->in, p->out, NULL,
349 "Remote OS is not known: %pi4:%u -> %pi4:%u\n", 350 "Remote OS is not known: %pi4:%u -> %pi4:%u\n",
350 &ip->saddr, ntohs(tcp->source), 351 &ip->saddr, ntohs(tcp->source),
351 &ip->daddr, ntohs(tcp->dest)); 352 &ip->daddr, ntohs(tcp->dest));
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-13 21:55:25 -0500