diff options
30 files changed, 5221 insertions, 72 deletions
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c index 144a49f15220..8733a2ea04c2 100644 --- a/drivers/atm/lanai.c +++ b/drivers/atm/lanai.c | |||
| @@ -901,7 +901,7 @@ static int __devinit eeprom_read(struct lanai_dev *lanai) | |||
| 901 | clock_l(); udelay(5); | 901 | clock_l(); udelay(5); |
| 902 | for (i = 128; i != 0; i >>= 1) { /* write command out */ | 902 | for (i = 128; i != 0; i >>= 1) { /* write command out */ |
| 903 | tmp = (lanai->conf1 & ~CONFIG1_PROMDATA) | | 903 | tmp = (lanai->conf1 & ~CONFIG1_PROMDATA) | |
| 904 | (data & i) ? CONFIG1_PROMDATA : 0; | 904 | ((data & i) ? CONFIG1_PROMDATA : 0); |
| 905 | if (lanai->conf1 != tmp) { | 905 | if (lanai->conf1 != tmp) { |
| 906 | set_config1(tmp); | 906 | set_config1(tmp); |
| 907 | udelay(5); /* Let new data settle */ | 907 | udelay(5); /* Let new data settle */ |
diff --git a/drivers/isdn/sc/shmem.c b/drivers/isdn/sc/shmem.c index 712220cef139..7f16d75d2d89 100644 --- a/drivers/isdn/sc/shmem.c +++ b/drivers/isdn/sc/shmem.c | |||
| @@ -54,7 +54,7 @@ void memcpy_toshmem(int card, void *dest, const void *src, size_t n) | |||
| 54 | spin_unlock_irqrestore(&sc_adapter[card]->lock, flags); | 54 | spin_unlock_irqrestore(&sc_adapter[card]->lock, flags); |
| 55 | pr_debug("%s: set page to %#x\n",sc_adapter[card]->devicename, | 55 | pr_debug("%s: set page to %#x\n",sc_adapter[card]->devicename, |
| 56 | ((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE)>>14)|0x80); | 56 | ((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE)>>14)|0x80); |
| 57 | pr_debug("%s: copying %d bytes from %#lx to %#lx\n", | 57 | pr_debug("%s: copying %zu bytes from %#lx to %#lx\n", |
| 58 | sc_adapter[card]->devicename, n, | 58 | sc_adapter[card]->devicename, n, |
| 59 | (unsigned long) src, | 59 | (unsigned long) src, |
| 60 | sc_adapter[card]->rambase + ((unsigned long) dest %0x4000)); | 60 | sc_adapter[card]->rambase + ((unsigned long) dest %0x4000)); |
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 6bdfd47d679d..a2f185fd7072 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig | |||
| @@ -2342,6 +2342,17 @@ config ATL1E | |||
| 2342 | To compile this driver as a module, choose M here. The module | 2342 | To compile this driver as a module, choose M here. The module |
| 2343 | will be called atl1e. | 2343 | will be called atl1e. |
| 2344 | 2344 | ||
| 2345 | config ATL1C | ||
| 2346 | tristate "Atheros L1C Gigabit Ethernet support (EXPERIMENTAL)" | ||
| 2347 | depends on PCI && EXPERIMENTAL | ||
| 2348 | select CRC32 | ||
| 2349 | select MII | ||
| 2350 | help | ||
| 2351 | This driver supports the Atheros L1C gigabit ethernet adapter. | ||
| 2352 | |||
| 2353 | To compile this driver as a module, choose M here. The module | ||
| 2354 | will be called atl1c. | ||
| 2355 | |||
| 2345 | config JME | 2356 | config JME |
| 2346 | tristate "JMicron(R) PCI-Express Gigabit Ethernet support" | 2357 | tristate "JMicron(R) PCI-Express Gigabit Ethernet support" |
| 2347 | depends on PCI | 2358 | depends on PCI |
diff --git a/drivers/net/Makefile b/drivers/net/Makefile index a3c5c002f224..aca8492db654 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile | |||
| @@ -17,6 +17,7 @@ obj-$(CONFIG_BONDING) += bonding/ | |||
| 17 | obj-$(CONFIG_ATL1) += atlx/ | 17 | obj-$(CONFIG_ATL1) += atlx/ |
| 18 | obj-$(CONFIG_ATL2) += atlx/ | 18 | obj-$(CONFIG_ATL2) += atlx/ |
| 19 | obj-$(CONFIG_ATL1E) += atl1e/ | 19 | obj-$(CONFIG_ATL1E) += atl1e/ |
| 20 | obj-$(CONFIG_ATL1C) += atl1c/ | ||
| 20 | obj-$(CONFIG_GIANFAR) += gianfar_driver.o | 21 | obj-$(CONFIG_GIANFAR) += gianfar_driver.o |
| 21 | obj-$(CONFIG_TEHUTI) += tehuti.o | 22 | obj-$(CONFIG_TEHUTI) += tehuti.o |
| 22 | obj-$(CONFIG_ENIC) += enic/ | 23 | obj-$(CONFIG_ENIC) += enic/ |
diff --git a/drivers/net/atl1c/Makefile b/drivers/net/atl1c/Makefile new file mode 100644 index 000000000000..c37d966952ee --- /dev/null +++ b/drivers/net/atl1c/Makefile | |||
| @@ -0,0 +1,2 @@ | |||
| 1 | obj-$(CONFIG_ATL1C) += atl1c.o | ||
| 2 | atl1c-objs := atl1c_main.o atl1c_hw.o atl1c_ethtool.o | ||
diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h new file mode 100644 index 000000000000..ac11b84b8377 --- /dev/null +++ b/drivers/net/atl1c/atl1c.h | |||
| @@ -0,0 +1,606 @@ | |||
| 1 | /* | ||
| 2 | * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. | ||
| 3 | * | ||
| 4 | * Derived from Intel e1000 driver | ||
| 5 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify it | ||
| 8 | * under the terms of the GNU General Public License as published by the Free | ||
| 9 | * Software Foundation; either version 2 of the License, or (at your option) | ||
| 10 | * any later version. | ||
| 11 | * | ||
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 15 | * more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License along with | ||
| 18 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
| 19 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 20 | */ | ||
| 21 | |||
| 22 | #ifndef _ATL1C_H_ | ||
| 23 | #define _ATL1C_H_ | ||
| 24 | |||
| 25 | #include <linux/version.h> | ||
| 26 | #include <linux/init.h> | ||
| 27 | #include <linux/types.h> | ||
| 28 | #include <linux/errno.h> | ||
| 29 | #include <linux/module.h> | ||
| 30 | #include <linux/pci.h> | ||
| 31 | #include <linux/netdevice.h> | ||
| 32 | #include <linux/etherdevice.h> | ||
| 33 | #include <linux/skbuff.h> | ||
| 34 | #include <linux/ioport.h> | ||
| 35 | #include <linux/slab.h> | ||
| 36 | #include <linux/list.h> | ||
| 37 | #include <linux/delay.h> | ||
| 38 | #include <linux/sched.h> | ||
| 39 | #include <linux/in.h> | ||
| 40 | #include <linux/ip.h> | ||
| 41 | #include <linux/ipv6.h> | ||
| 42 | #include <linux/udp.h> | ||
| 43 | #include <linux/mii.h> | ||
| 44 | #include <linux/io.h> | ||
| 45 | #include <linux/vmalloc.h> | ||
| 46 | #include <linux/pagemap.h> | ||
| 47 | #include <linux/tcp.h> | ||
| 48 | #include <linux/mii.h> | ||
| 49 | #include <linux/ethtool.h> | ||
| 50 | #include <linux/if_vlan.h> | ||
| 51 | #include <linux/workqueue.h> | ||
| 52 | #include <net/checksum.h> | ||
| 53 | #include <net/ip6_checksum.h> | ||
| 54 | |||
| 55 | #include "atl1c_hw.h" | ||
| 56 | |||
| 57 | /* Wake Up Filter Control */ | ||
| 58 | #define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ | ||
| 59 | #define AT_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ | ||
| 60 | #define AT_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ | ||
| 61 | #define AT_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ | ||
| 62 | #define AT_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ | ||
| 63 | |||
| 64 | #define AT_VLAN_TO_TAG(_vlan, _tag) \ | ||
| 65 | _tag = ((((_vlan) >> 8) & 0xFF) |\ | ||
| 66 | (((_vlan) & 0xFF) << 8)) | ||
| 67 | |||
| 68 | #define AT_TAG_TO_VLAN(_tag, _vlan) \ | ||
| 69 | _vlan = ((((_tag) >> 8) & 0xFF) |\ | ||
| 70 | (((_tag) & 0xFF) << 8)) | ||
| 71 | |||
| 72 | #define SPEED_0 0xffff | ||
| 73 | #define HALF_DUPLEX 1 | ||
| 74 | #define FULL_DUPLEX 2 | ||
| 75 | |||
| 76 | #define AT_RX_BUF_SIZE (ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN) | ||
| 77 | #define MAX_JUMBO_FRAME_SIZE (9*1024) | ||
| 78 | #define MAX_TX_OFFLOAD_THRESH (9*1024) | ||
| 79 | |||
| 80 | #define AT_MAX_RECEIVE_QUEUE 4 | ||
| 81 | #define AT_DEF_RECEIVE_QUEUE 1 | ||
| 82 | #define AT_MAX_TRANSMIT_QUEUE 2 | ||
| 83 | |||
| 84 | #define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL | ||
| 85 | #define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL | ||
| 86 | |||
| 87 | #define AT_TX_WATCHDOG (5 * HZ) | ||
| 88 | #define AT_MAX_INT_WORK 5 | ||
| 89 | #define AT_TWSI_EEPROM_TIMEOUT 100 | ||
| 90 | #define AT_HW_MAX_IDLE_DELAY 10 | ||
| 91 | #define AT_SUSPEND_LINK_TIMEOUT 28 | ||
| 92 | |||
| 93 | #define AT_ASPM_L0S_TIMER 6 | ||
| 94 | #define AT_ASPM_L1_TIMER 12 | ||
| 95 | |||
| 96 | #define ATL1C_PCIE_L0S_L1_DISABLE 0x01 | ||
| 97 | #define ATL1C_PCIE_PHY_RESET 0x02 | ||
| 98 | |||
| 99 | #define ATL1C_ASPM_L0s_ENABLE 0x0001 | ||
| 100 | #define ATL1C_ASPM_L1_ENABLE 0x0002 | ||
| 101 | |||
| 102 | #define AT_REGS_LEN (75 * sizeof(u32)) | ||
| 103 | #define AT_EEPROM_LEN 512 | ||
| 104 | |||
| 105 | #define ATL1C_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i])) | ||
| 106 | #define ATL1C_RFD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_rx_free_desc) | ||
| 107 | #define ATL1C_TPD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_tpd_desc) | ||
| 108 | #define ATL1C_RRD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_recv_ret_status) | ||
| 109 | |||
| 110 | /* tpd word 1 bit 0:7 General Checksum task offload */ | ||
| 111 | #define TPD_L4HDR_OFFSET_MASK 0x00FF | ||
| 112 | #define TPD_L4HDR_OFFSET_SHIFT 0 | ||
| 113 | |||
| 114 | /* tpd word 1 bit 0:7 Large Send task offload (IPv4/IPV6) */ | ||
| 115 | #define TPD_TCPHDR_OFFSET_MASK 0x00FF | ||
| 116 | #define TPD_TCPHDR_OFFSET_SHIFT 0 | ||
| 117 | |||
| 118 | /* tpd word 1 bit 0:7 Custom Checksum task offload */ | ||
| 119 | #define TPD_PLOADOFFSET_MASK 0x00FF | ||
| 120 | #define TPD_PLOADOFFSET_SHIFT 0 | ||
| 121 | |||
| 122 | /* tpd word 1 bit 8:17 */ | ||
| 123 | #define TPD_CCSUM_EN_MASK 0x0001 | ||
| 124 | #define TPD_CCSUM_EN_SHIFT 8 | ||
| 125 | #define TPD_IP_CSUM_MASK 0x0001 | ||
| 126 | #define TPD_IP_CSUM_SHIFT 9 | ||
| 127 | #define TPD_TCP_CSUM_MASK 0x0001 | ||
| 128 | #define TPD_TCP_CSUM_SHIFT 10 | ||
| 129 | #define TPD_UDP_CSUM_MASK 0x0001 | ||
| 130 | #define TPD_UDP_CSUM_SHIFT 11 | ||
| 131 | #define TPD_LSO_EN_MASK 0x0001 /* TCP Large Send Offload */ | ||
| 132 | #define TPD_LSO_EN_SHIFT 12 | ||
| 133 | #define TPD_LSO_VER_MASK 0x0001 | ||
| 134 | #define TPD_LSO_VER_SHIFT 13 /* 0 : ipv4; 1 : ipv4/ipv6 */ | ||
| 135 | #define TPD_CON_VTAG_MASK 0x0001 | ||
| 136 | #define TPD_CON_VTAG_SHIFT 14 | ||
| 137 | #define TPD_INS_VTAG_MASK 0x0001 | ||
| 138 | #define TPD_INS_VTAG_SHIFT 15 | ||
| 139 | #define TPD_IPV4_PACKET_MASK 0x0001 /* valid when LSO VER is 1 */ | ||
| 140 | #define TPD_IPV4_PACKET_SHIFT 16 | ||
| 141 | #define TPD_ETH_TYPE_MASK 0x0001 | ||
| 142 | #define TPD_ETH_TYPE_SHIFT 17 /* 0 : 802.3 frame; 1 : Ethernet */ | ||
| 143 | |||
| 144 | /* tpd word 18:25 Custom Checksum task offload */ | ||
| 145 | #define TPD_CCSUM_OFFSET_MASK 0x00FF | ||
| 146 | #define TPD_CCSUM_OFFSET_SHIFT 18 | ||
| 147 | #define TPD_CCSUM_EPAD_MASK 0x0001 | ||
| 148 | #define TPD_CCSUM_EPAD_SHIFT 30 | ||
| 149 | |||
| 150 | /* tpd word 18:30 Large Send task offload (IPv4/IPV6) */ | ||
| 151 | #define TPD_MSS_MASK 0x1FFF | ||
| 152 | #define TPD_MSS_SHIFT 18 | ||
| 153 | |||
| 154 | #define TPD_EOP_MASK 0x0001 | ||
| 155 | #define TPD_EOP_SHIFT 31 | ||
| 156 | |||
| 157 | struct atl1c_tpd_desc { | ||
| 158 | __le16 buffer_len; /* include 4-byte CRC */ | ||
| 159 | __le16 vlan_tag; | ||
| 160 | __le32 word1; | ||
| 161 | __le64 buffer_addr; | ||
| 162 | }; | ||
| 163 | |||
| 164 | struct atl1c_tpd_ext_desc { | ||
| 165 | u32 reservd_0; | ||
| 166 | __le32 word1; | ||
| 167 | __le32 pkt_len; | ||
| 168 | u32 reservd_1; | ||
| 169 | }; | ||
| 170 | /* rrs word 0 bit 0:31 */ | ||
| 171 | #define RRS_RX_CSUM_MASK 0xFFFF | ||
| 172 | #define RRS_RX_CSUM_SHIFT 0 | ||
| 173 | #define RRS_RX_RFD_CNT_MASK 0x000F | ||
| 174 | #define RRS_RX_RFD_CNT_SHIFT 16 | ||
| 175 | #define RRS_RX_RFD_INDEX_MASK 0x0FFF | ||
| 176 | #define RRS_RX_RFD_INDEX_SHIFT 20 | ||
| 177 | |||
| 178 | /* rrs flag bit 0:16 */ | ||
| 179 | #define RRS_HEAD_LEN_MASK 0x00FF | ||
| 180 | #define RRS_HEAD_LEN_SHIFT 0 | ||
| 181 | #define RRS_HDS_TYPE_MASK 0x0003 | ||
| 182 | #define RRS_HDS_TYPE_SHIFT 8 | ||
| 183 | #define RRS_CPU_NUM_MASK 0x0003 | ||
| 184 | #define RRS_CPU_NUM_SHIFT 10 | ||
| 185 | #define RRS_HASH_FLG_MASK 0x000F | ||
| 186 | #define RRS_HASH_FLG_SHIFT 12 | ||
| 187 | |||
| 188 | #define RRS_HDS_TYPE_HEAD 1 | ||
| 189 | #define RRS_HDS_TYPE_DATA 2 | ||
| 190 | |||
| 191 | #define RRS_IS_NO_HDS_TYPE(flag) \ | ||
| 192 | (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == 0) | ||
| 193 | |||
| 194 | #define RRS_IS_HDS_HEAD(flag) \ | ||
| 195 | (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == \ | ||
| 196 | RRS_HDS_TYPE_HEAD) | ||
| 197 | |||
| 198 | #define RRS_IS_HDS_DATA(flag) \ | ||
| 199 | (((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK == \ | ||
| 200 | RRS_HDS_TYPE_DATA) | ||
| 201 | |||
| 202 | /* rrs word 3 bit 0:31 */ | ||
| 203 | #define RRS_PKT_SIZE_MASK 0x3FFF | ||
| 204 | #define RRS_PKT_SIZE_SHIFT 0 | ||
| 205 | #define RRS_ERR_L4_CSUM_MASK 0x0001 | ||
| 206 | #define RRS_ERR_L4_CSUM_SHIFT 14 | ||
| 207 | #define RRS_ERR_IP_CSUM_MASK 0x0001 | ||
| 208 | #define RRS_ERR_IP_CSUM_SHIFT 15 | ||
| 209 | #define RRS_VLAN_INS_MASK 0x0001 | ||
| 210 | #define RRS_VLAN_INS_SHIFT 16 | ||
| 211 | #define RRS_PROT_ID_MASK 0x0007 | ||
| 212 | #define RRS_PROT_ID_SHIFT 17 | ||
| 213 | #define RRS_RX_ERR_SUM_MASK 0x0001 | ||
| 214 | #define RRS_RX_ERR_SUM_SHIFT 20 | ||
| 215 | #define RRS_RX_ERR_CRC_MASK 0x0001 | ||
| 216 | #define RRS_RX_ERR_CRC_SHIFT 21 | ||
| 217 | #define RRS_RX_ERR_FAE_MASK 0x0001 | ||
| 218 | #define RRS_RX_ERR_FAE_SHIFT 22 | ||
| 219 | #define RRS_RX_ERR_TRUNC_MASK 0x0001 | ||
| 220 | #define RRS_RX_ERR_TRUNC_SHIFT 23 | ||
| 221 | #define RRS_RX_ERR_RUNC_MASK 0x0001 | ||
| 222 | #define RRS_RX_ERR_RUNC_SHIFT 24 | ||
| 223 | #define RRS_RX_ERR_ICMP_MASK 0x0001 | ||
| 224 | #define RRS_RX_ERR_ICMP_SHIFT 25 | ||
| 225 | #define RRS_PACKET_BCAST_MASK 0x0001 | ||
| 226 | #define RRS_PACKET_BCAST_SHIFT 26 | ||
| 227 | #define RRS_PACKET_MCAST_MASK 0x0001 | ||
| 228 | #define RRS_PACKET_MCAST_SHIFT 27 | ||
| 229 | #define RRS_PACKET_TYPE_MASK 0x0001 | ||
| 230 | #define RRS_PACKET_TYPE_SHIFT 28 | ||
| 231 | #define RRS_FIFO_FULL_MASK 0x0001 | ||
| 232 | #define RRS_FIFO_FULL_SHIFT 29 | ||
| 233 | #define RRS_802_3_LEN_ERR_MASK 0x0001 | ||
| 234 | #define RRS_802_3_LEN_ERR_SHIFT 30 | ||
| 235 | #define RRS_RXD_UPDATED_MASK 0x0001 | ||
| 236 | #define RRS_RXD_UPDATED_SHIFT 31 | ||
| 237 | |||
| 238 | #define RRS_ERR_L4_CSUM 0x00004000 | ||
| 239 | #define RRS_ERR_IP_CSUM 0x00008000 | ||
| 240 | #define RRS_VLAN_INS 0x00010000 | ||
| 241 | #define RRS_RX_ERR_SUM 0x00100000 | ||
| 242 | #define RRS_RX_ERR_CRC 0x00200000 | ||
| 243 | #define RRS_802_3_LEN_ERR 0x40000000 | ||
| 244 | #define RRS_RXD_UPDATED 0x80000000 | ||
| 245 | |||
| 246 | #define RRS_PACKET_TYPE_802_3 1 | ||
| 247 | #define RRS_PACKET_TYPE_ETH 0 | ||
| 248 | #define RRS_PACKET_IS_ETH(word) \ | ||
| 249 | (((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK == \ | ||
| 250 | RRS_PACKET_TYPE_ETH) | ||
| 251 | #define RRS_RXD_IS_VALID(word) \ | ||
| 252 | ((((word) >> RRS_RXD_UPDATED_SHIFT) & RRS_RXD_UPDATED_MASK) == 1) | ||
| 253 | |||
| 254 | #define RRS_PACKET_PROT_IS_IPV4_ONLY(word) \ | ||
| 255 | ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 1) | ||
| 256 | #define RRS_PACKET_PROT_IS_IPV6_ONLY(word) \ | ||
| 257 | ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 6) | ||
| 258 | |||
| 259 | struct atl1c_recv_ret_status { | ||
| 260 | __le32 word0; | ||
| 261 | __le32 rss_hash; | ||
| 262 | __le16 vlan_tag; | ||
| 263 | __le16 flag; | ||
| 264 | __le32 word3; | ||
| 265 | }; | ||
| 266 | |||
| 267 | /* RFD desciptor */ | ||
| 268 | struct atl1c_rx_free_desc { | ||
| 269 | __le64 buffer_addr; | ||
| 270 | }; | ||
| 271 | |||
| 272 | /* DMA Order Settings */ | ||
| 273 | enum atl1c_dma_order { | ||
| 274 | atl1c_dma_ord_in = 1, | ||
| 275 | atl1c_dma_ord_enh = 2, | ||
| 276 | atl1c_dma_ord_out = 4 | ||
| 277 | }; | ||
| 278 | |||
| 279 | enum atl1c_dma_rcb { | ||
| 280 | atl1c_rcb_64 = 0, | ||
| 281 | atl1c_rcb_128 = 1 | ||
| 282 | }; | ||
| 283 | |||
| 284 | enum atl1c_mac_speed { | ||
| 285 | atl1c_mac_speed_0 = 0, | ||
| 286 | atl1c_mac_speed_10_100 = 1, | ||
| 287 | atl1c_mac_speed_1000 = 2 | ||
| 288 | }; | ||
| 289 | |||
| 290 | enum atl1c_dma_req_block { | ||
| 291 | atl1c_dma_req_128 = 0, | ||
| 292 | atl1c_dma_req_256 = 1, | ||
| 293 | atl1c_dma_req_512 = 2, | ||
| 294 | atl1c_dma_req_1024 = 3, | ||
| 295 | atl1c_dma_req_2048 = 4, | ||
| 296 | atl1c_dma_req_4096 = 5 | ||
| 297 | }; | ||
| 298 | |||
| 299 | enum atl1c_rss_mode { | ||
| 300 | atl1c_rss_mode_disable = 0, | ||
| 301 | atl1c_rss_sig_que = 1, | ||
| 302 | atl1c_rss_mul_que_sig_int = 2, | ||
| 303 | atl1c_rss_mul_que_mul_int = 4, | ||
| 304 | }; | ||
| 305 | |||
| 306 | enum atl1c_rss_type { | ||
| 307 | atl1c_rss_disable = 0, | ||
| 308 | atl1c_rss_ipv4 = 1, | ||
| 309 | atl1c_rss_ipv4_tcp = 2, | ||
| 310 | atl1c_rss_ipv6 = 4, | ||
| 311 | atl1c_rss_ipv6_tcp = 8 | ||
| 312 | }; | ||
| 313 | |||
| 314 | enum atl1c_nic_type { | ||
| 315 | athr_l1c = 0, | ||
| 316 | athr_l2c = 1, | ||
| 317 | }; | ||
| 318 | |||
| 319 | enum atl1c_trans_queue { | ||
| 320 | atl1c_trans_normal = 0, | ||
| 321 | atl1c_trans_high = 1 | ||
| 322 | }; | ||
| 323 | |||
| 324 | struct atl1c_hw_stats { | ||
| 325 | /* rx */ | ||
| 326 | unsigned long rx_ok; /* The number of good packet received. */ | ||
| 327 | unsigned long rx_bcast; /* The number of good broadcast packet received. */ | ||
| 328 | unsigned long rx_mcast; /* The number of good multicast packet received. */ | ||
| 329 | unsigned long rx_pause; /* The number of Pause packet received. */ | ||
| 330 | unsigned long rx_ctrl; /* The number of Control packet received other than Pause frame. */ | ||
| 331 | unsigned long rx_fcs_err; /* The number of packets with bad FCS. */ | ||
| 332 | unsigned long rx_len_err; /* The number of packets with mismatch of length field and actual size. */ | ||
| 333 | unsigned long rx_byte_cnt; /* The number of bytes of good packet received. FCS is NOT included. */ | ||
| 334 | unsigned long rx_runt; /* The number of packets received that are less than 64 byte long and with good FCS. */ | ||
| 335 | unsigned long rx_frag; /* The number of packets received that are less than 64 byte long and with bad FCS. */ | ||
| 336 | unsigned long rx_sz_64; /* The number of good and bad packets received that are 64 byte long. */ | ||
| 337 | unsigned long rx_sz_65_127; /* The number of good and bad packets received that are between 65 and 127-byte long. */ | ||
| 338 | unsigned long rx_sz_128_255; /* The number of good and bad packets received that are between 128 and 255-byte long. */ | ||
| 339 | unsigned long rx_sz_256_511; /* The number of good and bad packets received that are between 256 and 511-byte long. */ | ||
| 340 | unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */ | ||
| 341 | unsigned long rx_sz_1024_1518; /* The number of good and bad packets received that are between 1024 and 1518-byte long. */ | ||
| 342 | unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */ | ||
| 343 | unsigned long rx_sz_ov; /* The number of good and bad packets received that are more than MTU size truncated by Selene. */ | ||
| 344 | unsigned long rx_rxf_ov; /* The number of frame dropped due to occurrence of RX FIFO overflow. */ | ||
| 345 | unsigned long rx_rrd_ov; /* The number of frame dropped due to occurrence of RRD overflow. */ | ||
| 346 | unsigned long rx_align_err; /* Alignment Error */ | ||
| 347 | unsigned long rx_bcast_byte_cnt; /* The byte count of broadcast packet received, excluding FCS. */ | ||
| 348 | unsigned long rx_mcast_byte_cnt; /* The byte count of multicast packet received, excluding FCS. */ | ||
| 349 | unsigned long rx_err_addr; /* The number of packets dropped due to address filtering. */ | ||
| 350 | |||
| 351 | /* tx */ | ||
| 352 | unsigned long tx_ok; /* The number of good packet transmitted. */ | ||
| 353 | unsigned long tx_bcast; /* The number of good broadcast packet transmitted. */ | ||
| 354 | unsigned long tx_mcast; /* The number of good multicast packet transmitted. */ | ||
| 355 | unsigned long tx_pause; /* The number of Pause packet transmitted. */ | ||
| 356 | unsigned long tx_exc_defer; /* The number of packets transmitted with excessive deferral. */ | ||
| 357 | unsigned long tx_ctrl; /* The number of packets transmitted is a control frame, excluding Pause frame. */ | ||
| 358 | unsigned long tx_defer; /* The number of packets transmitted that is deferred. */ | ||
| 359 | unsigned long tx_byte_cnt; /* The number of bytes of data transmitted. FCS is NOT included. */ | ||
| 360 | unsigned long tx_sz_64; /* The number of good and bad packets transmitted that are 64 byte long. */ | ||
| 361 | unsigned long tx_sz_65_127; /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */ | ||
| 362 | unsigned long tx_sz_128_255; /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */ | ||
| 363 | unsigned long tx_sz_256_511; /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */ | ||
| 364 | unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */ | ||
| 365 | unsigned long tx_sz_1024_1518; /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */ | ||
| 366 | unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */ | ||
| 367 | unsigned long tx_1_col; /* The number of packets subsequently transmitted successfully with a single prior collision. */ | ||
| 368 | unsigned long tx_2_col; /* The number of packets subsequently transmitted successfully with multiple prior collisions. */ | ||
| 369 | unsigned long tx_late_col; /* The number of packets transmitted with late collisions. */ | ||
| 370 | unsigned long tx_abort_col; /* The number of transmit packets aborted due to excessive collisions. */ | ||
| 371 | unsigned long tx_underrun; /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ | ||
| 372 | unsigned long tx_rd_eop; /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */ | ||
| 373 | unsigned long tx_len_err; /* The number of transmit packets with length field does NOT match the actual frame size. */ | ||
| 374 | unsigned long tx_trunc; /* The number of transmit packets truncated due to size exceeding MTU. */ | ||
| 375 | unsigned long tx_bcast_byte; /* The byte count of broadcast packet transmitted, excluding FCS. */ | ||
| 376 | unsigned long tx_mcast_byte; /* The byte count of multicast packet transmitted, excluding FCS. */ | ||
| 377 | }; | ||
| 378 | |||
| 379 | struct atl1c_hw { | ||
| 380 | u8 __iomem *hw_addr; /* inner register address */ | ||
| 381 | struct atl1c_adapter *adapter; | ||
| 382 | enum atl1c_nic_type nic_type; | ||
| 383 | enum atl1c_dma_order dma_order; | ||
| 384 | enum atl1c_dma_rcb rcb_value; | ||
| 385 | enum atl1c_dma_req_block dmar_block; | ||
| 386 | enum atl1c_dma_req_block dmaw_block; | ||
| 387 | |||
| 388 | u16 device_id; | ||
| 389 | u16 vendor_id; | ||
| 390 | u16 subsystem_id; | ||
| 391 | u16 subsystem_vendor_id; | ||
| 392 | u8 revision_id; | ||
| 393 | |||
| 394 | u32 intr_mask; | ||
| 395 | u8 dmaw_dly_cnt; | ||
| 396 | u8 dmar_dly_cnt; | ||
| 397 | |||
| 398 | u8 preamble_len; | ||
| 399 | u16 max_frame_size; | ||
| 400 | u16 min_frame_size; | ||
| 401 | |||
| 402 | enum atl1c_mac_speed mac_speed; | ||
| 403 | bool mac_duplex; | ||
| 404 | bool hibernate; | ||
| 405 | u16 media_type; | ||
| 406 | #define MEDIA_TYPE_AUTO_SENSOR 0 | ||
| 407 | #define MEDIA_TYPE_100M_FULL 1 | ||
| 408 | #define MEDIA_TYPE_100M_HALF 2 | ||
| 409 | #define MEDIA_TYPE_10M_FULL 3 | ||
| 410 | #define MEDIA_TYPE_10M_HALF 4 | ||
| 411 | |||
| 412 | u16 autoneg_advertised; | ||
| 413 | u16 mii_autoneg_adv_reg; | ||
| 414 | u16 mii_1000t_ctrl_reg; | ||
| 415 | |||
| 416 | u16 tx_imt; /* TX Interrupt Moderator timer ( 2us resolution) */ | ||
| 417 | u16 rx_imt; /* RX Interrupt Moderator timer ( 2us resolution) */ | ||
| 418 | u16 ict; /* Interrupt Clear timer (2us resolution) */ | ||
| 419 | u16 ctrl_flags; | ||
| 420 | #define ATL1C_INTR_CLEAR_ON_READ 0x0001 | ||
| 421 | #define ATL1C_INTR_MODRT_ENABLE 0x0002 | ||
| 422 | #define ATL1C_CMB_ENABLE 0x0004 | ||
| 423 | #define ATL1C_SMB_ENABLE 0x0010 | ||
| 424 | #define ATL1C_TXQ_MODE_ENHANCE 0x0020 | ||
| 425 | #define ATL1C_RX_IPV6_CHKSUM 0x0040 | ||
| 426 | #define ATL1C_ASPM_L0S_SUPPORT 0x0080 | ||
| 427 | #define ATL1C_ASPM_L1_SUPPORT 0x0100 | ||
| 428 | #define ATL1C_ASPM_CTRL_MON 0x0200 | ||
| 429 | #define ATL1C_HIB_DISABLE 0x0400 | ||
| 430 | #define ATL1C_LINK_CAP_1000M 0x0800 | ||
| 431 | #define ATL1C_FPGA_VERSION 0x8000 | ||
| 432 | u16 cmb_tpd; | ||
| 433 | u16 cmb_rrd; | ||
| 434 | u16 cmb_rx_timer; /* 2us resolution */ | ||
| 435 | u16 cmb_tx_timer; | ||
| 436 | u32 smb_timer; | ||
| 437 | |||
| 438 | u16 rrd_thresh; /* Threshold of number of RRD produced to trigger | ||
| 439 | interrupt request */ | ||
| 440 | u16 tpd_thresh; | ||
| 441 | u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. */ | ||
| 442 | u8 rfd_burst; | ||
| 443 | enum atl1c_rss_type rss_type; | ||
| 444 | enum atl1c_rss_mode rss_mode; | ||
| 445 | u8 rss_hash_bits; | ||
| 446 | u32 base_cpu; | ||
| 447 | u32 indirect_tab; | ||
| 448 | u8 mac_addr[ETH_ALEN]; | ||
| 449 | u8 perm_mac_addr[ETH_ALEN]; | ||
| 450 | |||
| 451 | bool phy_configured; | ||
| 452 | bool re_autoneg; | ||
| 453 | bool emi_ca; | ||
| 454 | }; | ||
| 455 | |||
| 456 | /* | ||
| 457 | * atl1c_ring_header represents a single, contiguous block of DMA space | ||
| 458 | * mapped for the three descriptor rings (tpd, rfd, rrd) and the two | ||
| 459 | * message blocks (cmb, smb) described below | ||
| 460 | */ | ||
| 461 | struct atl1c_ring_header { | ||
| 462 | void *desc; /* virtual address */ | ||
| 463 | dma_addr_t dma; /* physical address*/ | ||
| 464 | unsigned int size; /* length in bytes */ | ||
| 465 | }; | ||
| 466 | |||
| 467 | /* | ||
| 468 | * atl1c_buffer is wrapper around a pointer to a socket buffer | ||
| 469 | * so a DMA handle can be stored along with the skb | ||
| 470 | */ | ||
| 471 | struct atl1c_buffer { | ||
| 472 | struct sk_buff *skb; /* socket buffer */ | ||
| 473 | u16 length; /* rx buffer length */ | ||
| 474 | u16 state; /* state of buffer */ | ||
| 475 | #define ATL1_BUFFER_FREE 0 | ||
| 476 | #define ATL1_BUFFER_BUSY 1 | ||
| 477 | dma_addr_t dma; | ||
| 478 | }; | ||
| 479 | |||
| 480 | /* transimit packet descriptor (tpd) ring */ | ||
| 481 | struct atl1c_tpd_ring { | ||
| 482 | void *desc; /* descriptor ring virtual address */ | ||
| 483 | dma_addr_t dma; /* descriptor ring physical address */ | ||
| 484 | u16 size; /* descriptor ring length in bytes */ | ||
| 485 | u16 count; /* number of descriptors in the ring */ | ||
| 486 | u16 next_to_use; /* this is protectd by adapter->tx_lock */ | ||
| 487 | atomic_t next_to_clean; | ||
| 488 | struct atl1c_buffer *buffer_info; | ||
| 489 | }; | ||
| 490 | |||
| 491 | /* receive free descriptor (rfd) ring */ | ||
| 492 | struct atl1c_rfd_ring { | ||
| 493 | void *desc; /* descriptor ring virtual address */ | ||
| 494 | dma_addr_t dma; /* descriptor ring physical address */ | ||
| 495 | u16 size; /* descriptor ring length in bytes */ | ||
| 496 | u16 count; /* number of descriptors in the ring */ | ||
| 497 | u16 next_to_use; | ||
| 498 | u16 next_to_clean; | ||
| 499 | struct atl1c_buffer *buffer_info; | ||
| 500 | }; | ||
| 501 | |||
| 502 | /* receive return desciptor (rrd) ring */ | ||
| 503 | struct atl1c_rrd_ring { | ||
| 504 | void *desc; /* descriptor ring virtual address */ | ||
| 505 | dma_addr_t dma; /* descriptor ring physical address */ | ||
| 506 | u16 size; /* descriptor ring length in bytes */ | ||
| 507 | u16 count; /* number of descriptors in the ring */ | ||
| 508 | u16 next_to_use; | ||
| 509 | u16 next_to_clean; | ||
| 510 | }; | ||
| 511 | |||
| 512 | struct atl1c_cmb { | ||
| 513 | void *cmb; | ||
| 514 | dma_addr_t dma; | ||
| 515 | }; | ||
| 516 | |||
| 517 | struct atl1c_smb { | ||
| 518 | void *smb; | ||
| 519 | dma_addr_t dma; | ||
| 520 | }; | ||
| 521 | |||
| 522 | /* board specific private data structure */ | ||
| 523 | struct atl1c_adapter { | ||
| 524 | struct net_device *netdev; | ||
| 525 | struct pci_dev *pdev; | ||
| 526 | struct vlan_group *vlgrp; | ||
| 527 | struct napi_struct napi; | ||
| 528 | struct atl1c_hw hw; | ||
| 529 | struct atl1c_hw_stats hw_stats; | ||
| 530 | struct net_device_stats net_stats; | ||
| 531 | struct mii_if_info mii; /* MII interface info */ | ||
| 532 | u16 rx_buffer_len; | ||
| 533 | |||
| 534 | unsigned long flags; | ||
| 535 | #define __AT_TESTING 0x0001 | ||
| 536 | #define __AT_RESETTING 0x0002 | ||
| 537 | #define __AT_DOWN 0x0003 | ||
| 538 | u32 msg_enable; | ||
| 539 | |||
| 540 | bool have_msi; | ||
| 541 | u32 wol; | ||
| 542 | u16 link_speed; | ||
| 543 | u16 link_duplex; | ||
| 544 | |||
| 545 | spinlock_t mdio_lock; | ||
| 546 | spinlock_t tx_lock; | ||
| 547 | atomic_t irq_sem; | ||
| 548 | |||
| 549 | struct work_struct reset_task; | ||
| 550 | struct work_struct link_chg_task; | ||
| 551 | struct timer_list watchdog_timer; | ||
| 552 | struct timer_list phy_config_timer; | ||
| 553 | |||
| 554 | /* All Descriptor memory */ | ||
| 555 | struct atl1c_ring_header ring_header; | ||
| 556 | struct atl1c_tpd_ring tpd_ring[AT_MAX_TRANSMIT_QUEUE]; | ||
| 557 | struct atl1c_rfd_ring rfd_ring[AT_MAX_RECEIVE_QUEUE]; | ||
| 558 | struct atl1c_rrd_ring rrd_ring[AT_MAX_RECEIVE_QUEUE]; | ||
| 559 | struct atl1c_cmb cmb; | ||
| 560 | struct atl1c_smb smb; | ||
| 561 | int num_rx_queues; | ||
| 562 | u32 bd_number; /* board number;*/ | ||
| 563 | }; | ||
| 564 | |||
| 565 | #define AT_WRITE_REG(a, reg, value) ( \ | ||
| 566 | writel((value), ((a)->hw_addr + reg))) | ||
| 567 | |||
| 568 | #define AT_WRITE_FLUSH(a) (\ | ||
| 569 | readl((a)->hw_addr)) | ||
| 570 | |||
| 571 | #define AT_READ_REG(a, reg, pdata) do { \ | ||
| 572 | if (unlikely((a)->hibernate)) { \ | ||
| 573 | readl((a)->hw_addr + reg); \ | ||
| 574 | *(u32 *)pdata = readl((a)->hw_addr + reg); \ | ||
| 575 | } else { \ | ||
| 576 | *(u32 *)pdata = readl((a)->hw_addr + reg); \ | ||
| 577 | } \ | ||
| 578 | } while (0) | ||
| 579 | |||
| 580 | #define AT_WRITE_REGB(a, reg, value) (\ | ||
| 581 | writeb((value), ((a)->hw_addr + reg))) | ||
| 582 | |||
| 583 | #define AT_READ_REGB(a, reg) (\ | ||
| 584 | readb((a)->hw_addr + reg)) | ||
| 585 | |||
| 586 | #define AT_WRITE_REGW(a, reg, value) (\ | ||
| 587 | writew((value), ((a)->hw_addr + reg))) | ||
| 588 | |||
| 589 | #define AT_READ_REGW(a, reg) (\ | ||
| 590 | readw((a)->hw_addr + reg)) | ||
| 591 | |||
| 592 | #define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \ | ||
| 593 | writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))) | ||
| 594 | |||
| 595 | #define AT_READ_REG_ARRAY(a, reg, offset) ( \ | ||
| 596 | readl(((a)->hw_addr + reg) + ((offset) << 2))) | ||
| 597 | |||
| 598 | extern char atl1c_driver_name[]; | ||
| 599 | extern char atl1c_driver_version[]; | ||
| 600 | |||
| 601 | extern int atl1c_up(struct atl1c_adapter *adapter); | ||
| 602 | extern void atl1c_down(struct atl1c_adapter *adapter); | ||
| 603 | extern void atl1c_reinit_locked(struct atl1c_adapter *adapter); | ||
| 604 | extern s32 atl1c_reset_hw(struct atl1c_hw *hw); | ||
| 605 | extern void atl1c_set_ethtool_ops(struct net_device *netdev); | ||
| 606 | #endif /* _ATL1C_H_ */ | ||
diff --git a/drivers/net/atl1c/atl1c_ethtool.c b/drivers/net/atl1c/atl1c_ethtool.c new file mode 100644 index 000000000000..45c5b7332cd3 --- /dev/null +++ b/drivers/net/atl1c/atl1c_ethtool.c | |||
| @@ -0,0 +1,317 @@ | |||
| 1 | /* | ||
| 2 | * Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved. | ||
| 3 | * | ||
| 4 | * Derived from Intel e1000 driver | ||
| 5 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify it | ||
| 8 | * under the terms of the GNU General Public License as published by the Free | ||
| 9 | * Software Foundation; either version 2 of the License, or (at your option) | ||
| 10 | * any later version. | ||
| 11 | * | ||
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 15 | * more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License along with | ||
| 18 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
| 19 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 20 | * | ||
| 21 | */ | ||
| 22 | |||
| 23 | #include <linux/netdevice.h> | ||
| 24 | #include <linux/ethtool.h> | ||
| 25 | |||
| 26 | #include "atl1c.h" | ||
| 27 | |||
| 28 | static int atl1c_get_settings(struct net_device *netdev, | ||
| 29 | struct ethtool_cmd *ecmd) | ||
| 30 | { | ||
| 31 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 32 | struct atl1c_hw *hw = &adapter->hw; | ||
| 33 | |||
| 34 | ecmd->supported = (SUPPORTED_10baseT_Half | | ||
| 35 | SUPPORTED_10baseT_Full | | ||
| 36 | SUPPORTED_100baseT_Half | | ||
| 37 | SUPPORTED_100baseT_Full | | ||
| 38 | SUPPORTED_Autoneg | | ||
| 39 | SUPPORTED_TP); | ||
| 40 | if (hw->ctrl_flags & ATL1C_LINK_CAP_1000M) | ||
| 41 | ecmd->supported |= SUPPORTED_1000baseT_Full; | ||
| 42 | |||
| 43 | ecmd->advertising = ADVERTISED_TP; | ||
| 44 | |||
| 45 | ecmd->advertising |= hw->autoneg_advertised; | ||
| 46 | |||
| 47 | ecmd->port = PORT_TP; | ||
| 48 | ecmd->phy_address = 0; | ||
| 49 | ecmd->transceiver = XCVR_INTERNAL; | ||
| 50 | |||
| 51 | if (adapter->link_speed != SPEED_0) { | ||
| 52 | ecmd->speed = adapter->link_speed; | ||
| 53 | if (adapter->link_duplex == FULL_DUPLEX) | ||
| 54 | ecmd->duplex = DUPLEX_FULL; | ||
| 55 | else | ||
| 56 | ecmd->duplex = DUPLEX_HALF; | ||
| 57 | } else { | ||
| 58 | ecmd->speed = -1; | ||
| 59 | ecmd->duplex = -1; | ||
| 60 | } | ||
| 61 | |||
| 62 | ecmd->autoneg = AUTONEG_ENABLE; | ||
| 63 | return 0; | ||
| 64 | } | ||
| 65 | |||
| 66 | static int atl1c_set_settings(struct net_device *netdev, | ||
| 67 | struct ethtool_cmd *ecmd) | ||
| 68 | { | ||
| 69 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 70 | struct atl1c_hw *hw = &adapter->hw; | ||
| 71 | u16 autoneg_advertised; | ||
| 72 | |||
| 73 | while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) | ||
| 74 | msleep(1); | ||
| 75 | |||
| 76 | if (ecmd->autoneg == AUTONEG_ENABLE) { | ||
| 77 | autoneg_advertised = ADVERTISED_Autoneg; | ||
| 78 | } else { | ||
| 79 | if (ecmd->speed == SPEED_1000) { | ||
| 80 | if (ecmd->duplex != DUPLEX_FULL) { | ||
| 81 | if (netif_msg_link(adapter)) | ||
| 82 | dev_warn(&adapter->pdev->dev, | ||
| 83 | "1000M half is invalid\n"); | ||
| 84 | clear_bit(__AT_RESETTING, &adapter->flags); | ||
| 85 | return -EINVAL; | ||
| 86 | } | ||
| 87 | autoneg_advertised = ADVERTISED_1000baseT_Full; | ||
| 88 | } else if (ecmd->speed == SPEED_100) { | ||
| 89 | if (ecmd->duplex == DUPLEX_FULL) | ||
| 90 | autoneg_advertised = ADVERTISED_100baseT_Full; | ||
| 91 | else | ||
| 92 | autoneg_advertised = ADVERTISED_100baseT_Half; | ||
| 93 | } else { | ||
| 94 | if (ecmd->duplex == DUPLEX_FULL) | ||
| 95 | autoneg_advertised = ADVERTISED_10baseT_Full; | ||
| 96 | else | ||
| 97 | autoneg_advertised = ADVERTISED_10baseT_Half; | ||
| 98 | } | ||
| 99 | } | ||
| 100 | |||
| 101 | if (hw->autoneg_advertised != autoneg_advertised) { | ||
| 102 | hw->autoneg_advertised = autoneg_advertised; | ||
| 103 | if (atl1c_restart_autoneg(hw) != 0) { | ||
| 104 | if (netif_msg_link(adapter)) | ||
| 105 | dev_warn(&adapter->pdev->dev, | ||
| 106 | "ethtool speed/duplex setting failed\n"); | ||
| 107 | clear_bit(__AT_RESETTING, &adapter->flags); | ||
| 108 | return -EINVAL; | ||
| 109 | } | ||
| 110 | } | ||
| 111 | clear_bit(__AT_RESETTING, &adapter->flags); | ||
| 112 | return 0; | ||
| 113 | } | ||
| 114 | |||
| 115 | static u32 atl1c_get_tx_csum(struct net_device *netdev) | ||
| 116 | { | ||
| 117 | return (netdev->features & NETIF_F_HW_CSUM) != 0; | ||
| 118 | } | ||
| 119 | |||
| 120 | static u32 atl1c_get_msglevel(struct net_device *netdev) | ||
| 121 | { | ||
| 122 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 123 | return adapter->msg_enable; | ||
| 124 | } | ||
| 125 | |||
| 126 | static void atl1c_set_msglevel(struct net_device *netdev, u32 data) | ||
| 127 | { | ||
| 128 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 129 | adapter->msg_enable = data; | ||
| 130 | } | ||
| 131 | |||
| 132 | static int atl1c_get_regs_len(struct net_device *netdev) | ||
| 133 | { | ||
| 134 | return AT_REGS_LEN; | ||
| 135 | } | ||
| 136 | |||
| 137 | static void atl1c_get_regs(struct net_device *netdev, | ||
| 138 | struct ethtool_regs *regs, void *p) | ||
| 139 | { | ||
| 140 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 141 | struct atl1c_hw *hw = &adapter->hw; | ||
| 142 | u32 *regs_buff = p; | ||
| 143 | u16 phy_data; | ||
| 144 | |||
| 145 | memset(p, 0, AT_REGS_LEN); | ||
| 146 | |||
| 147 | regs->version = 0; | ||
| 148 | AT_READ_REG(hw, REG_VPD_CAP, p++); | ||
| 149 | AT_READ_REG(hw, REG_PM_CTRL, p++); | ||
| 150 | AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++); | ||
| 151 | AT_READ_REG(hw, REG_TWSI_CTRL, p++); | ||
| 152 | AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++); | ||
| 153 | AT_READ_REG(hw, REG_MASTER_CTRL, p++); | ||
| 154 | AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++); | ||
| 155 | AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++); | ||
| 156 | AT_READ_REG(hw, REG_GPHY_CTRL, p++); | ||
| 157 | AT_READ_REG(hw, REG_LINK_CTRL, p++); | ||
| 158 | AT_READ_REG(hw, REG_IDLE_STATUS, p++); | ||
| 159 | AT_READ_REG(hw, REG_MDIO_CTRL, p++); | ||
| 160 | AT_READ_REG(hw, REG_SERDES_LOCK, p++); | ||
| 161 | AT_READ_REG(hw, REG_MAC_CTRL, p++); | ||
| 162 | AT_READ_REG(hw, REG_MAC_IPG_IFG, p++); | ||
| 163 | AT_READ_REG(hw, REG_MAC_STA_ADDR, p++); | ||
| 164 | AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++); | ||
| 165 | AT_READ_REG(hw, REG_RX_HASH_TABLE, p++); | ||
| 166 | AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++); | ||
| 167 | AT_READ_REG(hw, REG_RXQ_CTRL, p++); | ||
| 168 | AT_READ_REG(hw, REG_TXQ_CTRL, p++); | ||
| 169 | AT_READ_REG(hw, REG_MTU, p++); | ||
| 170 | AT_READ_REG(hw, REG_WOL_CTRL, p++); | ||
| 171 | |||
| 172 | atl1c_read_phy_reg(hw, MII_BMCR, &phy_data); | ||
| 173 | regs_buff[73] = (u32) phy_data; | ||
| 174 | atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); | ||
| 175 | regs_buff[74] = (u32) phy_data; | ||
| 176 | } | ||
| 177 | |||
| 178 | static int atl1c_get_eeprom_len(struct net_device *netdev) | ||
| 179 | { | ||
| 180 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 181 | |||
| 182 | if (atl1c_check_eeprom_exist(&adapter->hw)) | ||
| 183 | return AT_EEPROM_LEN; | ||
| 184 | else | ||
| 185 | return 0; | ||
| 186 | } | ||
| 187 | |||
| 188 | static int atl1c_get_eeprom(struct net_device *netdev, | ||
| 189 | struct ethtool_eeprom *eeprom, u8 *bytes) | ||
| 190 | { | ||
| 191 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 192 | struct atl1c_hw *hw = &adapter->hw; | ||
| 193 | u32 *eeprom_buff; | ||
| 194 | int first_dword, last_dword; | ||
| 195 | int ret_val = 0; | ||
| 196 | int i; | ||
| 197 | |||
| 198 | if (eeprom->len == 0) | ||
| 199 | return -EINVAL; | ||
| 200 | |||
| 201 | if (!atl1c_check_eeprom_exist(hw)) /* not exist */ | ||
| 202 | return -EINVAL; | ||
| 203 | |||
| 204 | eeprom->magic = adapter->pdev->vendor | | ||
| 205 | (adapter->pdev->device << 16); | ||
| 206 | |||
| 207 | first_dword = eeprom->offset >> 2; | ||
| 208 | last_dword = (eeprom->offset + eeprom->len - 1) >> 2; | ||
| 209 | |||
| 210 | eeprom_buff = kmalloc(sizeof(u32) * | ||
| 211 | (last_dword - first_dword + 1), GFP_KERNEL); | ||
| 212 | if (eeprom_buff == NULL) | ||
| 213 | return -ENOMEM; | ||
| 214 | |||
| 215 | for (i = first_dword; i < last_dword; i++) { | ||
| 216 | if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) { | ||
| 217 | kfree(eeprom_buff); | ||
| 218 | return -EIO; | ||
| 219 | } | ||
| 220 | } | ||
| 221 | |||
| 222 | memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), | ||
| 223 | eeprom->len); | ||
| 224 | kfree(eeprom_buff); | ||
| 225 | |||
| 226 | return ret_val; | ||
| 227 | return 0; | ||
| 228 | } | ||
| 229 | |||
| 230 | static void atl1c_get_drvinfo(struct net_device *netdev, | ||
| 231 | struct ethtool_drvinfo *drvinfo) | ||
| 232 | { | ||
| 233 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 234 | |||
| 235 | strncpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver)); | ||
| 236 | strncpy(drvinfo->version, atl1c_driver_version, | ||
| 237 | sizeof(drvinfo->version)); | ||
| 238 | strncpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); | ||
| 239 | strncpy(drvinfo->bus_info, pci_name(adapter->pdev), | ||
| 240 | sizeof(drvinfo->bus_info)); | ||
| 241 | drvinfo->n_stats = 0; | ||
| 242 | drvinfo->testinfo_len = 0; | ||
| 243 | drvinfo->regdump_len = atl1c_get_regs_len(netdev); | ||
| 244 | drvinfo->eedump_len = atl1c_get_eeprom_len(netdev); | ||
| 245 | } | ||
| 246 | |||
| 247 | static void atl1c_get_wol(struct net_device *netdev, | ||
| 248 | struct ethtool_wolinfo *wol) | ||
| 249 | { | ||
| 250 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 251 | |||
| 252 | wol->supported = WAKE_MAGIC | WAKE_PHY; | ||
| 253 | wol->wolopts = 0; | ||
| 254 | |||
| 255 | if (adapter->wol & AT_WUFC_EX) | ||
| 256 | wol->wolopts |= WAKE_UCAST; | ||
| 257 | if (adapter->wol & AT_WUFC_MC) | ||
| 258 | wol->wolopts |= WAKE_MCAST; | ||
| 259 | if (adapter->wol & AT_WUFC_BC) | ||
| 260 | wol->wolopts |= WAKE_BCAST; | ||
| 261 | if (adapter->wol & AT_WUFC_MAG) | ||
| 262 | wol->wolopts |= WAKE_MAGIC; | ||
| 263 | if (adapter->wol & AT_WUFC_LNKC) | ||
| 264 | wol->wolopts |= WAKE_PHY; | ||
| 265 | |||
| 266 | return; | ||
| 267 | } | ||
| 268 | |||
| 269 | static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | ||
| 270 | { | ||
| 271 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 272 | |||
| 273 | if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | | ||
| 274 | WAKE_MCAST | WAKE_BCAST | WAKE_MCAST)) | ||
| 275 | return -EOPNOTSUPP; | ||
| 276 | /* these settings will always override what we currently have */ | ||
| 277 | adapter->wol = 0; | ||
| 278 | |||
| 279 | if (wol->wolopts & WAKE_MAGIC) | ||
| 280 | adapter->wol |= AT_WUFC_MAG; | ||
| 281 | if (wol->wolopts & WAKE_PHY) | ||
| 282 | adapter->wol |= AT_WUFC_LNKC; | ||
| 283 | |||
| 284 | return 0; | ||
| 285 | } | ||
| 286 | |||
| 287 | static int atl1c_nway_reset(struct net_device *netdev) | ||
| 288 | { | ||
| 289 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 290 | if (netif_running(netdev)) | ||
| 291 | atl1c_reinit_locked(adapter); | ||
| 292 | return 0; | ||
| 293 | } | ||
| 294 | |||
| 295 | static struct ethtool_ops atl1c_ethtool_ops = { | ||
| 296 | .get_settings = atl1c_get_settings, | ||
| 297 | .set_settings = atl1c_set_settings, | ||
| 298 | .get_drvinfo = atl1c_get_drvinfo, | ||
| 299 | .get_regs_len = atl1c_get_regs_len, | ||
| 300 | .get_regs = atl1c_get_regs, | ||
| 301 | .get_wol = atl1c_get_wol, | ||
| 302 | .set_wol = atl1c_set_wol, | ||
| 303 | .get_msglevel = atl1c_get_msglevel, | ||
| 304 | .set_msglevel = atl1c_set_msglevel, | ||
| 305 | .nway_reset = atl1c_nway_reset, | ||
| 306 | .get_link = ethtool_op_get_link, | ||
| 307 | .get_eeprom_len = atl1c_get_eeprom_len, | ||
| 308 | .get_eeprom = atl1c_get_eeprom, | ||
| 309 | .get_tx_csum = atl1c_get_tx_csum, | ||
| 310 | .get_sg = ethtool_op_get_sg, | ||
| 311 | .set_sg = ethtool_op_set_sg, | ||
| 312 | }; | ||
| 313 | |||
| 314 | void atl1c_set_ethtool_ops(struct net_device *netdev) | ||
| 315 | { | ||
| 316 | SET_ETHTOOL_OPS(netdev, &atl1c_ethtool_ops); | ||
| 317 | } | ||
diff --git a/drivers/net/atl1c/atl1c_hw.c b/drivers/net/atl1c/atl1c_hw.c new file mode 100644 index 000000000000..3e69b940b8f7 --- /dev/null +++ b/drivers/net/atl1c/atl1c_hw.c | |||
| @@ -0,0 +1,527 @@ | |||
| 1 | /* | ||
| 2 | * Copyright(c) 2007 Atheros Corporation. All rights reserved. | ||
| 3 | * | ||
| 4 | * Derived from Intel e1000 driver | ||
| 5 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify it | ||
| 8 | * under the terms of the GNU General Public License as published by the Free | ||
| 9 | * Software Foundation; either version 2 of the License, or (at your option) | ||
| 10 | * any later version. | ||
| 11 | * | ||
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 15 | * more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License along with | ||
| 18 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
| 19 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 20 | */ | ||
| 21 | #include <linux/pci.h> | ||
| 22 | #include <linux/delay.h> | ||
| 23 | #include <linux/mii.h> | ||
| 24 | #include <linux/crc32.h> | ||
| 25 | |||
| 26 | #include "atl1c.h" | ||
| 27 | |||
| 28 | /* | ||
| 29 | * check_eeprom_exist | ||
| 30 | * return 1 if eeprom exist | ||
| 31 | */ | ||
| 32 | int atl1c_check_eeprom_exist(struct atl1c_hw *hw) | ||
| 33 | { | ||
| 34 | u32 data; | ||
| 35 | |||
| 36 | AT_READ_REG(hw, REG_TWSI_DEBUG, &data); | ||
| 37 | if (data & TWSI_DEBUG_DEV_EXIST) | ||
| 38 | return 1; | ||
| 39 | |||
| 40 | return 0; | ||
| 41 | } | ||
| 42 | |||
| 43 | void atl1c_hw_set_mac_addr(struct atl1c_hw *hw) | ||
| 44 | { | ||
| 45 | u32 value; | ||
| 46 | /* | ||
| 47 | * 00-0B-6A-F6-00-DC | ||
| 48 | * 0: 6AF600DC 1: 000B | ||
| 49 | * low dword | ||
| 50 | */ | ||
| 51 | value = (((u32)hw->mac_addr[2]) << 24) | | ||
| 52 | (((u32)hw->mac_addr[3]) << 16) | | ||
| 53 | (((u32)hw->mac_addr[4]) << 8) | | ||
| 54 | (((u32)hw->mac_addr[5])) ; | ||
| 55 | AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); | ||
| 56 | /* hight dword */ | ||
| 57 | value = (((u32)hw->mac_addr[0]) << 8) | | ||
| 58 | (((u32)hw->mac_addr[1])) ; | ||
| 59 | AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); | ||
| 60 | } | ||
| 61 | |||
| 62 | /* | ||
| 63 | * atl1c_get_permanent_address | ||
| 64 | * return 0 if get valid mac address, | ||
| 65 | */ | ||
| 66 | static int atl1c_get_permanent_address(struct atl1c_hw *hw) | ||
| 67 | { | ||
| 68 | u32 addr[2]; | ||
| 69 | u32 i; | ||
| 70 | u32 otp_ctrl_data; | ||
| 71 | u32 twsi_ctrl_data; | ||
| 72 | u8 eth_addr[ETH_ALEN]; | ||
| 73 | |||
| 74 | /* init */ | ||
| 75 | addr[0] = addr[1] = 0; | ||
| 76 | AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data); | ||
| 77 | if (atl1c_check_eeprom_exist(hw)) { | ||
| 78 | /* Enable OTP CLK */ | ||
| 79 | if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) { | ||
| 80 | otp_ctrl_data |= OTP_CTRL_CLK_EN; | ||
| 81 | AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); | ||
| 82 | AT_WRITE_FLUSH(hw); | ||
| 83 | msleep(1); | ||
| 84 | } | ||
| 85 | |||
| 86 | AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data); | ||
| 87 | twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART; | ||
| 88 | AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data); | ||
| 89 | for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) { | ||
| 90 | msleep(10); | ||
| 91 | AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data); | ||
| 92 | if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0) | ||
| 93 | break; | ||
| 94 | } | ||
| 95 | if (i >= AT_TWSI_EEPROM_TIMEOUT) | ||
| 96 | return -1; | ||
| 97 | } | ||
| 98 | /* Disable OTP_CLK */ | ||
| 99 | if (otp_ctrl_data & OTP_CTRL_CLK_EN) { | ||
| 100 | otp_ctrl_data &= ~OTP_CTRL_CLK_EN; | ||
| 101 | AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); | ||
| 102 | AT_WRITE_FLUSH(hw); | ||
| 103 | msleep(1); | ||
| 104 | } | ||
| 105 | |||
| 106 | /* maybe MAC-address is from BIOS */ | ||
| 107 | AT_READ_REG(hw, REG_MAC_STA_ADDR, &addr[0]); | ||
| 108 | AT_READ_REG(hw, REG_MAC_STA_ADDR + 4, &addr[1]); | ||
| 109 | *(u32 *) ð_addr[2] = swab32(addr[0]); | ||
| 110 | *(u16 *) ð_addr[0] = swab16(*(u16 *)&addr[1]); | ||
| 111 | |||
| 112 | if (is_valid_ether_addr(eth_addr)) { | ||
| 113 | memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); | ||
| 114 | return 0; | ||
| 115 | } | ||
| 116 | |||
| 117 | return -1; | ||
| 118 | } | ||
| 119 | |||
| 120 | bool atl1c_read_eeprom(struct atl1c_hw *hw, u32 offset, u32 *p_value) | ||
| 121 | { | ||
| 122 | int i; | ||
| 123 | int ret = false; | ||
| 124 | u32 otp_ctrl_data; | ||
| 125 | u32 control; | ||
| 126 | u32 data; | ||
| 127 | |||
| 128 | if (offset & 3) | ||
| 129 | return ret; /* address do not align */ | ||
| 130 | |||
| 131 | AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data); | ||
| 132 | if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) | ||
| 133 | AT_WRITE_REG(hw, REG_OTP_CTRL, | ||
| 134 | (otp_ctrl_data | OTP_CTRL_CLK_EN)); | ||
| 135 | |||
| 136 | AT_WRITE_REG(hw, REG_EEPROM_DATA_LO, 0); | ||
| 137 | control = (offset & EEPROM_CTRL_ADDR_MASK) << EEPROM_CTRL_ADDR_SHIFT; | ||
| 138 | AT_WRITE_REG(hw, REG_EEPROM_CTRL, control); | ||
| 139 | |||
| 140 | for (i = 0; i < 10; i++) { | ||
| 141 | udelay(100); | ||
| 142 | AT_READ_REG(hw, REG_EEPROM_CTRL, &control); | ||
| 143 | if (control & EEPROM_CTRL_RW) | ||
| 144 | break; | ||
| 145 | } | ||
| 146 | if (control & EEPROM_CTRL_RW) { | ||
| 147 | AT_READ_REG(hw, REG_EEPROM_CTRL, &data); | ||
| 148 | AT_READ_REG(hw, REG_EEPROM_DATA_LO, p_value); | ||
| 149 | data = data & 0xFFFF; | ||
| 150 | *p_value = swab32((data << 16) | (*p_value >> 16)); | ||
| 151 | ret = true; | ||
| 152 | } | ||
| 153 | if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) | ||
| 154 | AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); | ||
| 155 | |||
| 156 | return ret; | ||
| 157 | } | ||
| 158 | /* | ||
| 159 | * Reads the adapter's MAC address from the EEPROM | ||
| 160 | * | ||
| 161 | * hw - Struct containing variables accessed by shared code | ||
| 162 | */ | ||
| 163 | int atl1c_read_mac_addr(struct atl1c_hw *hw) | ||
| 164 | { | ||
| 165 | int err = 0; | ||
| 166 | |||
| 167 | err = atl1c_get_permanent_address(hw); | ||
| 168 | if (err) | ||
| 169 | random_ether_addr(hw->perm_mac_addr); | ||
| 170 | |||
| 171 | memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr)); | ||
| 172 | return 0; | ||
| 173 | } | ||
| 174 | |||
| 175 | /* | ||
| 176 | * atl1c_hash_mc_addr | ||
| 177 | * purpose | ||
| 178 | * set hash value for a multicast address | ||
| 179 | * hash calcu processing : | ||
| 180 | * 1. calcu 32bit CRC for multicast address | ||
| 181 | * 2. reverse crc with MSB to LSB | ||
| 182 | */ | ||
| 183 | u32 atl1c_hash_mc_addr(struct atl1c_hw *hw, u8 *mc_addr) | ||
| 184 | { | ||
| 185 | u32 crc32; | ||
| 186 | u32 value = 0; | ||
| 187 | int i; | ||
| 188 | |||
| 189 | crc32 = ether_crc_le(6, mc_addr); | ||
| 190 | for (i = 0; i < 32; i++) | ||
| 191 | value |= (((crc32 >> i) & 1) << (31 - i)); | ||
| 192 | |||
| 193 | return value; | ||
| 194 | } | ||
| 195 | |||
| 196 | /* | ||
| 197 | * Sets the bit in the multicast table corresponding to the hash value. | ||
| 198 | * hw - Struct containing variables accessed by shared code | ||
| 199 | * hash_value - Multicast address hash value | ||
| 200 | */ | ||
| 201 | void atl1c_hash_set(struct atl1c_hw *hw, u32 hash_value) | ||
| 202 | { | ||
| 203 | u32 hash_bit, hash_reg; | ||
| 204 | u32 mta; | ||
| 205 | |||
| 206 | /* | ||
| 207 | * The HASH Table is a register array of 2 32-bit registers. | ||
| 208 | * It is treated like an array of 64 bits. We want to set | ||
| 209 | * bit BitArray[hash_value]. So we figure out what register | ||
| 210 | * the bit is in, read it, OR in the new bit, then write | ||
| 211 | * back the new value. The register is determined by the | ||
| 212 | * upper bit of the hash value and the bit within that | ||
| 213 | * register are determined by the lower 5 bits of the value. | ||
| 214 | */ | ||
| 215 | hash_reg = (hash_value >> 31) & 0x1; | ||
| 216 | hash_bit = (hash_value >> 26) & 0x1F; | ||
| 217 | |||
| 218 | mta = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); | ||
| 219 | |||
| 220 | mta |= (1 << hash_bit); | ||
| 221 | |||
| 222 | AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); | ||
| 223 | } | ||
| 224 | |||
| 225 | /* | ||
| 226 | * Reads the value from a PHY register | ||
| 227 | * hw - Struct containing variables accessed by shared code | ||
| 228 | * reg_addr - address of the PHY register to read | ||
| 229 | */ | ||
| 230 | int atl1c_read_phy_reg(struct atl1c_hw *hw, u16 reg_addr, u16 *phy_data) | ||
| 231 | { | ||
| 232 | u32 val; | ||
| 233 | int i; | ||
| 234 | |||
| 235 | val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | | ||
| 236 | MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | | ||
| 237 | MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; | ||
| 238 | |||
| 239 | AT_WRITE_REG(hw, REG_MDIO_CTRL, val); | ||
| 240 | |||
| 241 | for (i = 0; i < MDIO_WAIT_TIMES; i++) { | ||
| 242 | udelay(2); | ||
| 243 | AT_READ_REG(hw, REG_MDIO_CTRL, &val); | ||
| 244 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
| 245 | break; | ||
| 246 | } | ||
| 247 | if (!(val & (MDIO_START | MDIO_BUSY))) { | ||
| 248 | *phy_data = (u16)val; | ||
| 249 | return 0; | ||
| 250 | } | ||
| 251 | |||
| 252 | return -1; | ||
| 253 | } | ||
| 254 | |||
| 255 | /* | ||
| 256 | * Writes a value to a PHY register | ||
| 257 | * hw - Struct containing variables accessed by shared code | ||
| 258 | * reg_addr - address of the PHY register to write | ||
| 259 | * data - data to write to the PHY | ||
| 260 | */ | ||
| 261 | int atl1c_write_phy_reg(struct atl1c_hw *hw, u32 reg_addr, u16 phy_data) | ||
| 262 | { | ||
| 263 | int i; | ||
| 264 | u32 val; | ||
| 265 | |||
| 266 | val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | | ||
| 267 | (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | | ||
| 268 | MDIO_SUP_PREAMBLE | MDIO_START | | ||
| 269 | MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; | ||
| 270 | |||
| 271 | AT_WRITE_REG(hw, REG_MDIO_CTRL, val); | ||
| 272 | |||
| 273 | for (i = 0; i < MDIO_WAIT_TIMES; i++) { | ||
| 274 | udelay(2); | ||
| 275 | AT_READ_REG(hw, REG_MDIO_CTRL, &val); | ||
| 276 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
| 277 | break; | ||
| 278 | } | ||
| 279 | |||
| 280 | if (!(val & (MDIO_START | MDIO_BUSY))) | ||
| 281 | return 0; | ||
| 282 | |||
| 283 | return -1; | ||
| 284 | } | ||
| 285 | |||
| 286 | /* | ||
| 287 | * Configures PHY autoneg and flow control advertisement settings | ||
| 288 | * | ||
| 289 | * hw - Struct containing variables accessed by shared code | ||
| 290 | */ | ||
| 291 | static int atl1c_phy_setup_adv(struct atl1c_hw *hw) | ||
| 292 | { | ||
| 293 | u16 mii_adv_data = ADVERTISE_DEFAULT_CAP & ~ADVERTISE_SPEED_MASK; | ||
| 294 | u16 mii_giga_ctrl_data = GIGA_CR_1000T_DEFAULT_CAP & | ||
| 295 | ~GIGA_CR_1000T_SPEED_MASK; | ||
| 296 | |||
| 297 | if (hw->autoneg_advertised & ADVERTISED_10baseT_Half) | ||
| 298 | mii_adv_data |= ADVERTISE_10HALF; | ||
| 299 | if (hw->autoneg_advertised & ADVERTISED_10baseT_Full) | ||
| 300 | mii_adv_data |= ADVERTISE_10FULL; | ||
| 301 | if (hw->autoneg_advertised & ADVERTISED_100baseT_Half) | ||
| 302 | mii_adv_data |= ADVERTISE_100HALF; | ||
| 303 | if (hw->autoneg_advertised & ADVERTISED_100baseT_Full) | ||
| 304 | mii_adv_data |= ADVERTISE_100FULL; | ||
| 305 | |||
| 306 | if (hw->autoneg_advertised & ADVERTISED_Autoneg) | ||
| 307 | mii_adv_data |= ADVERTISE_10HALF | ADVERTISE_10FULL | | ||
| 308 | ADVERTISE_100HALF | ADVERTISE_100FULL; | ||
| 309 | |||
| 310 | if (hw->ctrl_flags & ATL1C_LINK_CAP_1000M) { | ||
| 311 | if (hw->autoneg_advertised & ADVERTISED_1000baseT_Half) | ||
| 312 | mii_giga_ctrl_data |= ADVERTISE_1000HALF; | ||
| 313 | if (hw->autoneg_advertised & ADVERTISED_1000baseT_Full) | ||
| 314 | mii_giga_ctrl_data |= ADVERTISE_1000FULL; | ||
| 315 | if (hw->autoneg_advertised & ADVERTISED_Autoneg) | ||
| 316 | mii_giga_ctrl_data |= ADVERTISE_1000HALF | | ||
| 317 | ADVERTISE_1000FULL; | ||
| 318 | } | ||
| 319 | |||
| 320 | if (atl1c_write_phy_reg(hw, MII_ADVERTISE, mii_adv_data) != 0 || | ||
| 321 | atl1c_write_phy_reg(hw, MII_GIGA_CR, mii_giga_ctrl_data) != 0) | ||
| 322 | return -1; | ||
| 323 | return 0; | ||
| 324 | } | ||
| 325 | |||
| 326 | void atl1c_phy_disable(struct atl1c_hw *hw) | ||
| 327 | { | ||
| 328 | AT_WRITE_REGW(hw, REG_GPHY_CTRL, | ||
| 329 | GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET); | ||
| 330 | } | ||
| 331 | |||
| 332 | static void atl1c_phy_magic_data(struct atl1c_hw *hw) | ||
| 333 | { | ||
| 334 | u16 data; | ||
| 335 | |||
| 336 | data = ANA_LOOP_SEL_10BT | ANA_EN_MASK_TB | ANA_EN_10BT_IDLE | | ||
| 337 | ((1 & ANA_INTERVAL_SEL_TIMER_MASK) << | ||
| 338 | ANA_INTERVAL_SEL_TIMER_SHIFT); | ||
| 339 | |||
| 340 | atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_18); | ||
| 341 | atl1c_write_phy_reg(hw, MII_DBG_DATA, data); | ||
| 342 | |||
| 343 | data = (2 & ANA_SERDES_CDR_BW_MASK) | ANA_MS_PAD_DBG | | ||
| 344 | ANA_SERDES_EN_DEEM | ANA_SERDES_SEL_HSP | ANA_SERDES_EN_PLL | | ||
| 345 | ANA_SERDES_EN_LCKDT; | ||
| 346 | |||
| 347 | atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_5); | ||
| 348 | atl1c_write_phy_reg(hw, MII_DBG_DATA, data); | ||
| 349 | |||
| 350 | data = (44 & ANA_LONG_CABLE_TH_100_MASK) | | ||
| 351 | ((33 & ANA_SHORT_CABLE_TH_100_MASK) << | ||
| 352 | ANA_SHORT_CABLE_TH_100_SHIFT) | ANA_BP_BAD_LINK_ACCUM | | ||
| 353 | ANA_BP_SMALL_BW; | ||
| 354 | |||
| 355 | atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_54); | ||
| 356 | atl1c_write_phy_reg(hw, MII_DBG_DATA, data); | ||
| 357 | |||
| 358 | data = (11 & ANA_IECHO_ADJ_MASK) | ((11 & ANA_IECHO_ADJ_MASK) << | ||
| 359 | ANA_IECHO_ADJ_2_SHIFT) | ((8 & ANA_IECHO_ADJ_MASK) << | ||
| 360 | ANA_IECHO_ADJ_1_SHIFT) | ((8 & ANA_IECHO_ADJ_MASK) << | ||
| 361 | ANA_IECHO_ADJ_0_SHIFT); | ||
| 362 | |||
| 363 | atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_4); | ||
| 364 | atl1c_write_phy_reg(hw, MII_DBG_DATA, data); | ||
| 365 | |||
| 366 | data = ANA_RESTART_CAL | ((7 & ANA_MANUL_SWICH_ON_MASK) << | ||
| 367 | ANA_MANUL_SWICH_ON_SHIFT) | ANA_MAN_ENABLE | | ||
| 368 | ANA_SEL_HSP | ANA_EN_HB | ANA_OEN_125M; | ||
| 369 | |||
| 370 | atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_0); | ||
| 371 | atl1c_write_phy_reg(hw, MII_DBG_DATA, data); | ||
| 372 | |||
| 373 | if (hw->ctrl_flags & ATL1C_HIB_DISABLE) { | ||
| 374 | atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_41); | ||
| 375 | if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &data) != 0) | ||
| 376 | return; | ||
| 377 | data &= ~ANA_TOP_PS_EN; | ||
| 378 | atl1c_write_phy_reg(hw, MII_DBG_DATA, data); | ||
| 379 | |||
| 380 | atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_11); | ||
| 381 | if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &data) != 0) | ||
| 382 | return; | ||
| 383 | data &= ~ANA_PS_HIB_EN; | ||
| 384 | atl1c_write_phy_reg(hw, MII_DBG_DATA, data); | ||
| 385 | } | ||
| 386 | } | ||
| 387 | |||
| 388 | int atl1c_phy_reset(struct atl1c_hw *hw) | ||
| 389 | { | ||
| 390 | struct atl1c_adapter *adapter = hw->adapter; | ||
| 391 | struct pci_dev *pdev = adapter->pdev; | ||
| 392 | u32 phy_ctrl_data = GPHY_CTRL_DEFAULT; | ||
| 393 | u32 mii_ier_data = IER_LINK_UP | IER_LINK_DOWN; | ||
| 394 | int err; | ||
| 395 | |||
| 396 | if (hw->ctrl_flags & ATL1C_HIB_DISABLE) | ||
| 397 | phy_ctrl_data &= ~GPHY_CTRL_HIB_EN; | ||
| 398 | |||
| 399 | AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl_data); | ||
| 400 | AT_WRITE_FLUSH(hw); | ||
| 401 | msleep(40); | ||
| 402 | phy_ctrl_data |= GPHY_CTRL_EXT_RESET; | ||
| 403 | AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl_data); | ||
| 404 | AT_WRITE_FLUSH(hw); | ||
| 405 | msleep(10); | ||
| 406 | |||
| 407 | /*Enable PHY LinkChange Interrupt */ | ||
| 408 | err = atl1c_write_phy_reg(hw, MII_IER, mii_ier_data); | ||
| 409 | if (err) { | ||
| 410 | if (netif_msg_hw(adapter)) | ||
| 411 | dev_err(&pdev->dev, | ||
| 412 | "Error enable PHY linkChange Interrupt\n"); | ||
| 413 | return err; | ||
| 414 | } | ||
| 415 | if (!(hw->ctrl_flags & ATL1C_FPGA_VERSION)) | ||
| 416 | atl1c_phy_magic_data(hw); | ||
| 417 | return 0; | ||
| 418 | } | ||
| 419 | |||
| 420 | int atl1c_phy_init(struct atl1c_hw *hw) | ||
| 421 | { | ||
| 422 | struct atl1c_adapter *adapter = (struct atl1c_adapter *)hw->adapter; | ||
| 423 | struct pci_dev *pdev = adapter->pdev; | ||
| 424 | int ret_val; | ||
| 425 | u16 mii_bmcr_data = BMCR_RESET; | ||
| 426 | u16 phy_id1, phy_id2; | ||
| 427 | |||
| 428 | if ((atl1c_read_phy_reg(hw, MII_PHYSID1, &phy_id1) != 0) || | ||
| 429 | (atl1c_read_phy_reg(hw, MII_PHYSID2, &phy_id2) != 0)) { | ||
| 430 | if (netif_msg_link(adapter)) | ||
| 431 | dev_err(&pdev->dev, "Error get phy ID\n"); | ||
| 432 | return -1; | ||
| 433 | } | ||
| 434 | switch (hw->media_type) { | ||
| 435 | case MEDIA_TYPE_AUTO_SENSOR: | ||
| 436 | ret_val = atl1c_phy_setup_adv(hw); | ||
| 437 | if (ret_val) { | ||
| 438 | if (netif_msg_link(adapter)) | ||
| 439 | dev_err(&pdev->dev, | ||
| 440 | "Error Setting up Auto-Negotiation\n"); | ||
| 441 | return ret_val; | ||
| 442 | } | ||
| 443 | mii_bmcr_data |= BMCR_AUTO_NEG_EN | BMCR_RESTART_AUTO_NEG; | ||
| 444 | break; | ||
| 445 | case MEDIA_TYPE_100M_FULL: | ||
| 446 | mii_bmcr_data |= BMCR_SPEED_100 | BMCR_FULL_DUPLEX; | ||
| 447 | break; | ||
| 448 | case MEDIA_TYPE_100M_HALF: | ||
| 449 | mii_bmcr_data |= BMCR_SPEED_100; | ||
| 450 | break; | ||
| 451 | case MEDIA_TYPE_10M_FULL: | ||
| 452 | mii_bmcr_data |= BMCR_SPEED_10 | BMCR_FULL_DUPLEX; | ||
| 453 | break; | ||
| 454 | case MEDIA_TYPE_10M_HALF: | ||
| 455 | mii_bmcr_data |= BMCR_SPEED_10; | ||
| 456 | break; | ||
| 457 | default: | ||
| 458 | if (netif_msg_link(adapter)) | ||
| 459 | dev_err(&pdev->dev, "Wrong Media type %d\n", | ||
| 460 | hw->media_type); | ||
| 461 | return -1; | ||
| 462 | break; | ||
| 463 | } | ||
| 464 | |||
| 465 | ret_val = atl1c_write_phy_reg(hw, MII_BMCR, mii_bmcr_data); | ||
| 466 | if (ret_val) | ||
| 467 | return ret_val; | ||
| 468 | hw->phy_configured = true; | ||
| 469 | |||
| 470 | return 0; | ||
| 471 | } | ||
| 472 | |||
| 473 | /* | ||
| 474 | * Detects the current speed and duplex settings of the hardware. | ||
| 475 | * | ||
| 476 | * hw - Struct containing variables accessed by shared code | ||
| 477 | * speed - Speed of the connection | ||
| 478 | * duplex - Duplex setting of the connection | ||
| 479 | */ | ||
| 480 | int atl1c_get_speed_and_duplex(struct atl1c_hw *hw, u16 *speed, u16 *duplex) | ||
| 481 | { | ||
| 482 | int err; | ||
| 483 | u16 phy_data; | ||
| 484 | |||
| 485 | /* Read PHY Specific Status Register (17) */ | ||
| 486 | err = atl1c_read_phy_reg(hw, MII_GIGA_PSSR, &phy_data); | ||
| 487 | if (err) | ||
| 488 | return err; | ||
| 489 | |||
| 490 | if (!(phy_data & GIGA_PSSR_SPD_DPLX_RESOLVED)) | ||
| 491 | return -1; | ||
| 492 | |||
| 493 | switch (phy_data & GIGA_PSSR_SPEED) { | ||
| 494 | case GIGA_PSSR_1000MBS: | ||
| 495 | *speed = SPEED_1000; | ||
| 496 | break; | ||
| 497 | case GIGA_PSSR_100MBS: | ||
| 498 | *speed = SPEED_100; | ||
| 499 | break; | ||
| 500 | case GIGA_PSSR_10MBS: | ||
| 501 | *speed = SPEED_10; | ||
| 502 | break; | ||
| 503 | default: | ||
| 504 | return -1; | ||
| 505 | break; | ||
| 506 | } | ||
| 507 | |||
| 508 | if (phy_data & GIGA_PSSR_DPLX) | ||
| 509 | *duplex = FULL_DUPLEX; | ||
| 510 | else | ||
| 511 | *duplex = HALF_DUPLEX; | ||
| 512 | |||
| 513 | return 0; | ||
| 514 | } | ||
| 515 | |||
| 516 | int atl1c_restart_autoneg(struct atl1c_hw *hw) | ||
| 517 | { | ||
| 518 | int err = 0; | ||
| 519 | u16 mii_bmcr_data = BMCR_RESET; | ||
| 520 | |||
| 521 | err = atl1c_phy_setup_adv(hw); | ||
| 522 | if (err) | ||
| 523 | return err; | ||
| 524 | mii_bmcr_data |= BMCR_AUTO_NEG_EN | BMCR_RESTART_AUTO_NEG; | ||
| 525 | |||
| 526 | return atl1c_write_phy_reg(hw, MII_BMCR, mii_bmcr_data); | ||
| 527 | } | ||
diff --git a/drivers/net/atl1c/atl1c_hw.h b/drivers/net/atl1c/atl1c_hw.h new file mode 100644 index 000000000000..c2c738df5c63 --- /dev/null +++ b/drivers/net/atl1c/atl1c_hw.h | |||
| @@ -0,0 +1,859 @@ | |||
| 1 | /* | ||
| 2 | * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. | ||
| 3 | * | ||
| 4 | * Derived from Intel e1000 driver | ||
| 5 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify it | ||
| 8 | * under the terms of the GNU General Public License as published by the Free | ||
| 9 | * Software Foundation; either version 2 of the License, or (at your option) | ||
| 10 | * any later version. | ||
| 11 | * | ||
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 15 | * more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License along with | ||
| 18 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
| 19 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 20 | */ | ||
| 21 | |||
| 22 | #ifndef _ATL1C_HW_H_ | ||
| 23 | #define _ATL1C_HW_H_ | ||
| 24 | |||
| 25 | #include <linux/types.h> | ||
| 26 | #include <linux/mii.h> | ||
| 27 | |||
| 28 | struct atl1c_adapter; | ||
| 29 | struct atl1c_hw; | ||
| 30 | |||
| 31 | /* function prototype */ | ||
| 32 | void atl1c_phy_disable(struct atl1c_hw *hw); | ||
| 33 | void atl1c_hw_set_mac_addr(struct atl1c_hw *hw); | ||
| 34 | int atl1c_phy_reset(struct atl1c_hw *hw); | ||
| 35 | int atl1c_read_mac_addr(struct atl1c_hw *hw); | ||
| 36 | int atl1c_get_speed_and_duplex(struct atl1c_hw *hw, u16 *speed, u16 *duplex); | ||
| 37 | u32 atl1c_hash_mc_addr(struct atl1c_hw *hw, u8 *mc_addr); | ||
| 38 | void atl1c_hash_set(struct atl1c_hw *hw, u32 hash_value); | ||
| 39 | int atl1c_read_phy_reg(struct atl1c_hw *hw, u16 reg_addr, u16 *phy_data); | ||
| 40 | int atl1c_write_phy_reg(struct atl1c_hw *hw, u32 reg_addr, u16 phy_data); | ||
| 41 | bool atl1c_read_eeprom(struct atl1c_hw *hw, u32 offset, u32 *p_value); | ||
| 42 | int atl1c_phy_init(struct atl1c_hw *hw); | ||
| 43 | int atl1c_check_eeprom_exist(struct atl1c_hw *hw); | ||
| 44 | int atl1c_restart_autoneg(struct atl1c_hw *hw); | ||
| 45 | |||
| 46 | /* register definition */ | ||
| 47 | #define REG_DEVICE_CAP 0x5C | ||
| 48 | #define DEVICE_CAP_MAX_PAYLOAD_MASK 0x7 | ||
| 49 | #define DEVICE_CAP_MAX_PAYLOAD_SHIFT 0 | ||
| 50 | |||
| 51 | #define REG_DEVICE_CTRL 0x60 | ||
| 52 | #define DEVICE_CTRL_MAX_PAYLOAD_MASK 0x7 | ||
| 53 | #define DEVICE_CTRL_MAX_PAYLOAD_SHIFT 5 | ||
| 54 | #define DEVICE_CTRL_MAX_RREQ_SZ_MASK 0x7 | ||
| 55 | #define DEVICE_CTRL_MAX_RREQ_SZ_SHIFT 12 | ||
| 56 | |||
| 57 | #define REG_LINK_CTRL 0x68 | ||
| 58 | #define LINK_CTRL_L0S_EN 0x01 | ||
| 59 | #define LINK_CTRL_L1_EN 0x02 | ||
| 60 | |||
| 61 | #define REG_VPD_CAP 0x6C | ||
| 62 | #define VPD_CAP_ID_MASK 0xff | ||
| 63 | #define VPD_CAP_ID_SHIFT 0 | ||
| 64 | #define VPD_CAP_NEXT_PTR_MASK 0xFF | ||
| 65 | #define VPD_CAP_NEXT_PTR_SHIFT 8 | ||
| 66 | #define VPD_CAP_VPD_ADDR_MASK 0x7FFF | ||
| 67 | #define VPD_CAP_VPD_ADDR_SHIFT 16 | ||
| 68 | #define VPD_CAP_VPD_FLAG 0x80000000 | ||
| 69 | |||
| 70 | #define REG_VPD_DATA 0x70 | ||
| 71 | |||
| 72 | #define REG_PCIE_UC_SEVERITY 0x10C | ||
| 73 | #define PCIE_UC_SERVRITY_TRN 0x00000001 | ||
| 74 | #define PCIE_UC_SERVRITY_DLP 0x00000010 | ||
| 75 | #define PCIE_UC_SERVRITY_PSN_TLP 0x00001000 | ||
| 76 | #define PCIE_UC_SERVRITY_FCP 0x00002000 | ||
| 77 | #define PCIE_UC_SERVRITY_CPL_TO 0x00004000 | ||
| 78 | #define PCIE_UC_SERVRITY_CA 0x00008000 | ||
| 79 | #define PCIE_UC_SERVRITY_UC 0x00010000 | ||
| 80 | #define PCIE_UC_SERVRITY_ROV 0x00020000 | ||
| 81 | #define PCIE_UC_SERVRITY_MLFP 0x00040000 | ||
| 82 | #define PCIE_UC_SERVRITY_ECRC 0x00080000 | ||
| 83 | #define PCIE_UC_SERVRITY_UR 0x00100000 | ||
| 84 | |||
| 85 | #define REG_DEV_SERIALNUM_CTRL 0x200 | ||
| 86 | #define REG_DEV_MAC_SEL_MASK 0x0 /* 0:EUI; 1:MAC */ | ||
| 87 | #define REG_DEV_MAC_SEL_SHIFT 0 | ||
| 88 | #define REG_DEV_SERIAL_NUM_EN_MASK 0x1 | ||
| 89 | #define REG_DEV_SERIAL_NUM_EN_SHIFT 1 | ||
| 90 | |||
| 91 | #define REG_TWSI_CTRL 0x218 | ||
| 92 | #define TWSI_CTRL_LD_OFFSET_MASK 0xFF | ||
| 93 | #define TWSI_CTRL_LD_OFFSET_SHIFT 0 | ||
| 94 | #define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 | ||
| 95 | #define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 | ||
| 96 | #define TWSI_CTRL_SW_LDSTART 0x800 | ||
| 97 | #define TWSI_CTRL_HW_LDSTART 0x1000 | ||
| 98 | #define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x7F | ||
| 99 | #define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 | ||
| 100 | #define TWSI_CTRL_LD_EXIST 0x400000 | ||
| 101 | #define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 | ||
| 102 | #define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 | ||
| 103 | #define TWSI_CTRL_FREQ_SEL_100K 0 | ||
| 104 | #define TWSI_CTRL_FREQ_SEL_200K 1 | ||
| 105 | #define TWSI_CTRL_FREQ_SEL_300K 2 | ||
| 106 | #define TWSI_CTRL_FREQ_SEL_400K 3 | ||
| 107 | #define TWSI_CTRL_SMB_SLV_ADDR | ||
| 108 | #define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 | ||
| 109 | #define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 | ||
| 110 | |||
| 111 | |||
| 112 | #define REG_PCIE_DEV_MISC_CTRL 0x21C | ||
| 113 | #define PCIE_DEV_MISC_EXT_PIPE 0x2 | ||
| 114 | #define PCIE_DEV_MISC_RETRY_BUFDIS 0x1 | ||
| 115 | #define PCIE_DEV_MISC_SPIROM_EXIST 0x4 | ||
| 116 | #define PCIE_DEV_MISC_SERDES_ENDIAN 0x8 | ||
| 117 | #define PCIE_DEV_MISC_SERDES_SEL_DIN 0x10 | ||
| 118 | |||
| 119 | #define REG_PCIE_PHYMISC 0x1000 | ||
| 120 | #define PCIE_PHYMISC_FORCE_RCV_DET 0x4 | ||
| 121 | |||
| 122 | #define REG_TWSI_DEBUG 0x1108 | ||
| 123 | #define TWSI_DEBUG_DEV_EXIST 0x20000000 | ||
| 124 | |||
| 125 | #define REG_EEPROM_CTRL 0x12C0 | ||
| 126 | #define EEPROM_CTRL_DATA_HI_MASK 0xFFFF | ||
| 127 | #define EEPROM_CTRL_DATA_HI_SHIFT 0 | ||
| 128 | #define EEPROM_CTRL_ADDR_MASK 0x3FF | ||
| 129 | #define EEPROM_CTRL_ADDR_SHIFT 16 | ||
| 130 | #define EEPROM_CTRL_ACK 0x40000000 | ||
| 131 | #define EEPROM_CTRL_RW 0x80000000 | ||
| 132 | |||
| 133 | #define REG_EEPROM_DATA_LO 0x12C4 | ||
| 134 | |||
| 135 | #define REG_OTP_CTRL 0x12F0 | ||
| 136 | #define OTP_CTRL_CLK_EN 0x0002 | ||
| 137 | |||
| 138 | #define REG_PM_CTRL 0x12F8 | ||
| 139 | #define PM_CTRL_SDES_EN 0x00000001 | ||
| 140 | #define PM_CTRL_RBER_EN 0x00000002 | ||
| 141 | #define PM_CTRL_CLK_REQ_EN 0x00000004 | ||
| 142 | #define PM_CTRL_ASPM_L1_EN 0x00000008 | ||
| 143 | #define PM_CTRL_SERDES_L1_EN 0x00000010 | ||
| 144 | #define PM_CTRL_SERDES_PLL_L1_EN 0x00000020 | ||
| 145 | #define PM_CTRL_SERDES_PD_EX_L1 0x00000040 | ||
| 146 | #define PM_CTRL_SERDES_BUDS_RX_L1_EN 0x00000080 | ||
| 147 | #define PM_CTRL_L0S_ENTRY_TIMER_MASK 0xF | ||
| 148 | #define PM_CTRL_L0S_ENTRY_TIMER_SHIFT 8 | ||
| 149 | #define PM_CTRL_ASPM_L0S_EN 0x00001000 | ||
| 150 | #define PM_CTRL_CLK_SWH_L1 0x00002000 | ||
| 151 | #define PM_CTRL_CLK_PWM_VER1_1 0x00004000 | ||
| 152 | #define PM_CTRL_PCIE_RECV 0x00008000 | ||
| 153 | #define PM_CTRL_L1_ENTRY_TIMER_MASK 0xF | ||
| 154 | #define PM_CTRL_L1_ENTRY_TIMER_SHIFT 16 | ||
| 155 | #define PM_CTRL_PM_REQ_TIMER_MASK 0xF | ||
| 156 | #define PM_CTRL_PM_REQ_TIMER_SHIFT 20 | ||
| 157 | #define PM_CTRL_LCKDET_TIMER_MASK 0x3F | ||
| 158 | #define PM_CTRL_LCKDET_TIMER_SHIFT 24 | ||
| 159 | #define PM_CTRL_MAC_ASPM_CHK 0x40000000 | ||
| 160 | #define PM_CTRL_HOTRST 0x80000000 | ||
| 161 | |||
| 162 | /* Selene Master Control Register */ | ||
| 163 | #define REG_MASTER_CTRL 0x1400 | ||
| 164 | #define MASTER_CTRL_SOFT_RST 0x1 | ||
| 165 | #define MASTER_CTRL_TEST_MODE_MASK 0x3 | ||
| 166 | #define MASTER_CTRL_TEST_MODE_SHIFT 2 | ||
| 167 | #define MASTER_CTRL_BERT_START 0x10 | ||
| 168 | #define MASTER_CTRL_MTIMER_EN 0x100 | ||
| 169 | #define MASTER_CTRL_MANUAL_INT 0x200 | ||
| 170 | #define MASTER_CTRL_TX_ITIMER_EN 0x400 | ||
| 171 | #define MASTER_CTRL_RX_ITIMER_EN 0x800 | ||
| 172 | #define MASTER_CTRL_CLK_SEL_DIS 0x1000 | ||
| 173 | #define MASTER_CTRL_CLK_SWH_MODE 0x2000 | ||
| 174 | #define MASTER_CTRL_INT_RDCLR 0x4000 | ||
| 175 | #define MASTER_CTRL_REV_NUM_SHIFT 16 | ||
| 176 | #define MASTER_CTRL_REV_NUM_MASK 0xff | ||
| 177 | #define MASTER_CTRL_DEV_ID_SHIFT 24 | ||
| 178 | #define MASTER_CTRL_DEV_ID_MASK 0x7f | ||
| 179 | #define MASTER_CTRL_OTP_SEL 0x80000000 | ||
| 180 | |||
| 181 | /* Timer Initial Value Register */ | ||
| 182 | #define REG_MANUAL_TIMER_INIT 0x1404 | ||
| 183 | |||
| 184 | /* IRQ ModeratorTimer Initial Value Register */ | ||
| 185 | #define REG_IRQ_MODRT_TIMER_INIT 0x1408 | ||
| 186 | #define IRQ_MODRT_TIMER_MASK 0xffff | ||
| 187 | #define IRQ_MODRT_TX_TIMER_SHIFT 0 | ||
| 188 | #define IRQ_MODRT_RX_TIMER_SHIFT 16 | ||
| 189 | |||
| 190 | #define REG_GPHY_CTRL 0x140C | ||
| 191 | #define GPHY_CTRL_EXT_RESET 0x1 | ||
| 192 | #define GPHY_CTRL_RTL_MODE 0x2 | ||
| 193 | #define GPHY_CTRL_LED_MODE 0x4 | ||
| 194 | #define GPHY_CTRL_ANEG_NOW 0x8 | ||
| 195 | #define GPHY_CTRL_REV_ANEG 0x10 | ||
| 196 | #define GPHY_CTRL_GATE_25M_EN 0x20 | ||
| 197 | #define GPHY_CTRL_LPW_EXIT 0x40 | ||
| 198 | #define GPHY_CTRL_PHY_IDDQ 0x80 | ||
| 199 | #define GPHY_CTRL_PHY_IDDQ_DIS 0x100 | ||
| 200 | #define GPHY_CTRL_GIGA_DIS 0x200 | ||
| 201 | #define GPHY_CTRL_HIB_EN 0x400 | ||
| 202 | #define GPHY_CTRL_HIB_PULSE 0x800 | ||
| 203 | #define GPHY_CTRL_SEL_ANA_RST 0x1000 | ||
| 204 | #define GPHY_CTRL_PHY_PLL_ON 0x2000 | ||
| 205 | #define GPHY_CTRL_PWDOWN_HW 0x4000 | ||
| 206 | #define GPHY_CTRL_PHY_PLL_BYPASS 0x8000 | ||
| 207 | |||
| 208 | #define GPHY_CTRL_DEFAULT ( \ | ||
| 209 | GPHY_CTRL_SEL_ANA_RST |\ | ||
| 210 | GPHY_CTRL_HIB_PULSE |\ | ||
| 211 | GPHY_CTRL_HIB_EN) | ||
| 212 | |||
| 213 | #define GPHY_CTRL_PW_WOL_DIS ( \ | ||
| 214 | GPHY_CTRL_SEL_ANA_RST |\ | ||
| 215 | GPHY_CTRL_HIB_PULSE |\ | ||
| 216 | GPHY_CTRL_HIB_EN |\ | ||
| 217 | GPHY_CTRL_PWDOWN_HW |\ | ||
| 218 | GPHY_CTRL_PHY_IDDQ) | ||
| 219 | |||
| 220 | /* Block IDLE Status Register */ | ||
| 221 | #define REG_IDLE_STATUS 0x1410 | ||
| 222 | #define IDLE_STATUS_MASK 0x00FF | ||
| 223 | #define IDLE_STATUS_RXMAC_NO_IDLE 0x1 | ||
| 224 | #define IDLE_STATUS_TXMAC_NO_IDLE 0x2 | ||
| 225 | #define IDLE_STATUS_RXQ_NO_IDLE 0x4 | ||
| 226 | #define IDLE_STATUS_TXQ_NO_IDLE 0x8 | ||
| 227 | #define IDLE_STATUS_DMAR_NO_IDLE 0x10 | ||
| 228 | #define IDLE_STATUS_DMAW_NO_IDLE 0x20 | ||
| 229 | #define IDLE_STATUS_SMB_NO_IDLE 0x40 | ||
| 230 | #define IDLE_STATUS_CMB_NO_IDLE 0x80 | ||
| 231 | |||
| 232 | /* MDIO Control Register */ | ||
| 233 | #define REG_MDIO_CTRL 0x1414 | ||
| 234 | #define MDIO_DATA_MASK 0xffff /* On MDIO write, the 16-bit | ||
| 235 | * control data to write to PHY | ||
| 236 | * MII management register */ | ||
| 237 | #define MDIO_DATA_SHIFT 0 /* On MDIO read, the 16-bit | ||
| 238 | * status data that was read | ||
| 239 | * from the PHY MII management register */ | ||
| 240 | #define MDIO_REG_ADDR_MASK 0x1f /* MDIO register address */ | ||
| 241 | #define MDIO_REG_ADDR_SHIFT 16 | ||
| 242 | #define MDIO_RW 0x200000 /* 1: read, 0: write */ | ||
| 243 | #define MDIO_SUP_PREAMBLE 0x400000 /* Suppress preamble */ | ||
| 244 | #define MDIO_START 0x800000 /* Write 1 to initiate the MDIO | ||
| 245 | * master. And this bit is self | ||
| 246 | * cleared after one cycle */ | ||
| 247 | #define MDIO_CLK_SEL_SHIFT 24 | ||
| 248 | #define MDIO_CLK_25_4 0 | ||
| 249 | #define MDIO_CLK_25_6 2 | ||
| 250 | #define MDIO_CLK_25_8 3 | ||
| 251 | #define MDIO_CLK_25_10 4 | ||
| 252 | #define MDIO_CLK_25_14 5 | ||
| 253 | #define MDIO_CLK_25_20 6 | ||
| 254 | #define MDIO_CLK_25_28 7 | ||
| 255 | #define MDIO_BUSY 0x8000000 | ||
| 256 | #define MDIO_AP_EN 0x10000000 | ||
| 257 | #define MDIO_WAIT_TIMES 10 | ||
| 258 | |||
| 259 | /* MII PHY Status Register */ | ||
| 260 | #define REG_PHY_STATUS 0x1418 | ||
| 261 | #define PHY_GENERAL_STATUS_MASK 0xFFFF | ||
| 262 | #define PHY_STATUS_RECV_ENABLE 0x0001 | ||
| 263 | #define PHY_OE_PWSP_STATUS_MASK 0x07FF | ||
| 264 | #define PHY_OE_PWSP_STATUS_SHIFT 16 | ||
| 265 | #define PHY_STATUS_LPW_STATE 0x80000000 | ||
| 266 | /* BIST Control and Status Register0 (for the Packet Memory) */ | ||
| 267 | #define REG_BIST0_CTRL 0x141c | ||
| 268 | #define BIST0_NOW 0x1 | ||
| 269 | #define BIST0_SRAM_FAIL 0x2 /* 1: The SRAM failure is | ||
| 270 | * un-repairable because | ||
| 271 | * it has address decoder | ||
| 272 | * failure or more than 1 cell | ||
| 273 | * stuck-to-x failure */ | ||
| 274 | #define BIST0_FUSE_FLAG 0x4 | ||
| 275 | |||
| 276 | /* BIST Control and Status Register1(for the retry buffer of PCI Express) */ | ||
| 277 | #define REG_BIST1_CTRL 0x1420 | ||
| 278 | #define BIST1_NOW 0x1 | ||
| 279 | #define BIST1_SRAM_FAIL 0x2 | ||
| 280 | #define BIST1_FUSE_FLAG 0x4 | ||
| 281 | |||
| 282 | /* SerDes Lock Detect Control and Status Register */ | ||
| 283 | #define REG_SERDES_LOCK 0x1424 | ||
| 284 | #define SERDES_LOCK_DETECT 0x1 /* SerDes lock detected. This signal | ||
| 285 | * comes from Analog SerDes */ | ||
| 286 | #define SERDES_LOCK_DETECT_EN 0x2 /* 1: Enable SerDes Lock detect function */ | ||
| 287 | |||
| 288 | /* MAC Control Register */ | ||
| 289 | #define REG_MAC_CTRL 0x1480 | ||
| 290 | #define MAC_CTRL_TX_EN 0x1 | ||
| 291 | #define MAC_CTRL_RX_EN 0x2 | ||
| 292 | #define MAC_CTRL_TX_FLOW 0x4 | ||
| 293 | #define MAC_CTRL_RX_FLOW 0x8 | ||
| 294 | #define MAC_CTRL_LOOPBACK 0x10 | ||
| 295 | #define MAC_CTRL_DUPLX 0x20 | ||
| 296 | #define MAC_CTRL_ADD_CRC 0x40 | ||
| 297 | #define MAC_CTRL_PAD 0x80 | ||
| 298 | #define MAC_CTRL_LENCHK 0x100 | ||
| 299 | #define MAC_CTRL_HUGE_EN 0x200 | ||
| 300 | #define MAC_CTRL_PRMLEN_SHIFT 10 | ||
| 301 | #define MAC_CTRL_PRMLEN_MASK 0xf | ||
| 302 | #define MAC_CTRL_RMV_VLAN 0x4000 | ||
| 303 | #define MAC_CTRL_PROMIS_EN 0x8000 | ||
| 304 | #define MAC_CTRL_TX_PAUSE 0x10000 | ||
| 305 | #define MAC_CTRL_SCNT 0x20000 | ||
| 306 | #define MAC_CTRL_SRST_TX 0x40000 | ||
| 307 | #define MAC_CTRL_TX_SIMURST 0x80000 | ||
| 308 | #define MAC_CTRL_SPEED_SHIFT 20 | ||
| 309 | #define MAC_CTRL_SPEED_MASK 0x3 | ||
| 310 | #define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 | ||
| 311 | #define MAC_CTRL_TX_HUGE 0x800000 | ||
| 312 | #define MAC_CTRL_RX_CHKSUM_EN 0x1000000 | ||
| 313 | #define MAC_CTRL_MC_ALL_EN 0x2000000 | ||
| 314 | #define MAC_CTRL_BC_EN 0x4000000 | ||
| 315 | #define MAC_CTRL_DBG 0x8000000 | ||
| 316 | #define MAC_CTRL_SINGLE_PAUSE_EN 0x10000000 | ||
| 317 | |||
| 318 | /* MAC IPG/IFG Control Register */ | ||
| 319 | #define REG_MAC_IPG_IFG 0x1484 | ||
| 320 | #define MAC_IPG_IFG_IPGT_SHIFT 0 /* Desired back to back | ||
| 321 | * inter-packet gap. The | ||
| 322 | * default is 96-bit time */ | ||
| 323 | #define MAC_IPG_IFG_IPGT_MASK 0x7f | ||
| 324 | #define MAC_IPG_IFG_MIFG_SHIFT 8 /* Minimum number of IFG to | ||
| 325 | * enforce in between RX frames */ | ||
| 326 | #define MAC_IPG_IFG_MIFG_MASK 0xff /* Frame gap below such IFP is dropped */ | ||
| 327 | #define MAC_IPG_IFG_IPGR1_SHIFT 16 /* 64bit Carrier-Sense window */ | ||
| 328 | #define MAC_IPG_IFG_IPGR1_MASK 0x7f | ||
| 329 | #define MAC_IPG_IFG_IPGR2_SHIFT 24 /* 96-bit IPG window */ | ||
| 330 | #define MAC_IPG_IFG_IPGR2_MASK 0x7f | ||
| 331 | |||
| 332 | /* MAC STATION ADDRESS */ | ||
| 333 | #define REG_MAC_STA_ADDR 0x1488 | ||
| 334 | |||
| 335 | /* Hash table for multicast address */ | ||
| 336 | #define REG_RX_HASH_TABLE 0x1490 | ||
| 337 | |||
| 338 | /* MAC Half-Duplex Control Register */ | ||
| 339 | #define REG_MAC_HALF_DUPLX_CTRL 0x1498 | ||
| 340 | #define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 /* Collision Window */ | ||
| 341 | #define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3ff | ||
| 342 | #define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 | ||
| 343 | #define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xf | ||
| 344 | #define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 | ||
| 345 | #define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 | ||
| 346 | #define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 /* No back-off on backpressure, | ||
| 347 | * immediately start the | ||
| 348 | * transmission after back pressure */ | ||
| 349 | #define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */ | ||
| 350 | #define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 /* Maximum binary exponential number */ | ||
| 351 | #define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xf | ||
| 352 | #define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 /* IPG to start JAM for collision based flow control in half-duplex */ | ||
| 353 | #define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xf /* mode. In unit of 8-bit time */ | ||
| 354 | |||
| 355 | /* Maximum Frame Length Control Register */ | ||
| 356 | #define REG_MTU 0x149c | ||
| 357 | |||
| 358 | /* Wake-On-Lan control register */ | ||
| 359 | #define REG_WOL_CTRL 0x14a0 | ||
| 360 | #define WOL_PATTERN_EN 0x00000001 | ||
| 361 | #define WOL_PATTERN_PME_EN 0x00000002 | ||
| 362 | #define WOL_MAGIC_EN 0x00000004 | ||
| 363 | #define WOL_MAGIC_PME_EN 0x00000008 | ||
| 364 | #define WOL_LINK_CHG_EN 0x00000010 | ||
| 365 | #define WOL_LINK_CHG_PME_EN 0x00000020 | ||
| 366 | #define WOL_PATTERN_ST 0x00000100 | ||
| 367 | #define WOL_MAGIC_ST 0x00000200 | ||
| 368 | #define WOL_LINKCHG_ST 0x00000400 | ||
| 369 | #define WOL_CLK_SWITCH_EN 0x00008000 | ||
| 370 | #define WOL_PT0_EN 0x00010000 | ||
| 371 | #define WOL_PT1_EN 0x00020000 | ||
| 372 | #define WOL_PT2_EN 0x00040000 | ||
| 373 | #define WOL_PT3_EN 0x00080000 | ||
| 374 | #define WOL_PT4_EN 0x00100000 | ||
| 375 | #define WOL_PT5_EN 0x00200000 | ||
| 376 | #define WOL_PT6_EN 0x00400000 | ||
| 377 | |||
| 378 | /* WOL Length ( 2 DWORD ) */ | ||
| 379 | #define REG_WOL_PATTERN_LEN 0x14a4 | ||
| 380 | #define WOL_PT_LEN_MASK 0x7f | ||
| 381 | #define WOL_PT0_LEN_SHIFT 0 | ||
| 382 | #define WOL_PT1_LEN_SHIFT 8 | ||
| 383 | #define WOL_PT2_LEN_SHIFT 16 | ||
| 384 | #define WOL_PT3_LEN_SHIFT 24 | ||
| 385 | #define WOL_PT4_LEN_SHIFT 0 | ||
| 386 | #define WOL_PT5_LEN_SHIFT 8 | ||
| 387 | #define WOL_PT6_LEN_SHIFT 16 | ||
| 388 | |||
| 389 | /* Internal SRAM Partition Register */ | ||
| 390 | #define RFDX_HEAD_ADDR_MASK 0x03FF | ||
| 391 | #define RFDX_HARD_ADDR_SHIFT 0 | ||
| 392 | #define RFDX_TAIL_ADDR_MASK 0x03FF | ||
| 393 | #define RFDX_TAIL_ADDR_SHIFT 16 | ||
| 394 | |||
| 395 | #define REG_SRAM_RFD0_INFO 0x1500 | ||
| 396 | #define REG_SRAM_RFD1_INFO 0x1504 | ||
| 397 | #define REG_SRAM_RFD2_INFO 0x1508 | ||
| 398 | #define REG_SRAM_RFD3_INFO 0x150C | ||
| 399 | |||
| 400 | #define REG_RFD_NIC_LEN 0x1510 /* In 8-bytes */ | ||
| 401 | #define RFD_NIC_LEN_MASK 0x03FF | ||
| 402 | |||
| 403 | #define REG_SRAM_TRD_ADDR 0x1518 | ||
| 404 | #define TPD_HEAD_ADDR_MASK 0x03FF | ||
| 405 | #define TPD_HEAD_ADDR_SHIFT 0 | ||
| 406 | #define TPD_TAIL_ADDR_MASK 0x03FF | ||
| 407 | #define TPD_TAIL_ADDR_SHIFT 16 | ||
| 408 | |||
| 409 | #define REG_SRAM_TRD_LEN 0x151C /* In 8-bytes */ | ||
| 410 | #define TPD_NIC_LEN_MASK 0x03FF | ||
| 411 | |||
| 412 | #define REG_SRAM_RXF_ADDR 0x1520 | ||
| 413 | #define REG_SRAM_RXF_LEN 0x1524 | ||
| 414 | #define REG_SRAM_TXF_ADDR 0x1528 | ||
| 415 | #define REG_SRAM_TXF_LEN 0x152C | ||
| 416 | #define REG_SRAM_TCPH_ADDR 0x1530 | ||
| 417 | #define REG_SRAM_PKTH_ADDR 0x1532 | ||
| 418 | |||
| 419 | /* | ||
| 420 | * Load Ptr Register | ||
| 421 | * Software sets this bit after the initialization of the head and tail */ | ||
| 422 | #define REG_LOAD_PTR 0x1534 | ||
| 423 | |||
| 424 | /* | ||
| 425 | * addresses of all descriptors, as well as the following descriptor | ||
| 426 | * control register, which triggers each function block to load the head | ||
| 427 | * pointer to prepare for the operation. This bit is then self-cleared | ||
| 428 | * after one cycle. | ||
| 429 | */ | ||
| 430 | #define REG_RX_BASE_ADDR_HI 0x1540 | ||
| 431 | #define REG_TX_BASE_ADDR_HI 0x1544 | ||
| 432 | #define REG_SMB_BASE_ADDR_HI 0x1548 | ||
| 433 | #define REG_SMB_BASE_ADDR_LO 0x154C | ||
| 434 | #define REG_RFD0_HEAD_ADDR_LO 0x1550 | ||
| 435 | #define REG_RFD1_HEAD_ADDR_LO 0x1554 | ||
| 436 | #define REG_RFD2_HEAD_ADDR_LO 0x1558 | ||
| 437 | #define REG_RFD3_HEAD_ADDR_LO 0x155C | ||
| 438 | #define REG_RFD_RING_SIZE 0x1560 | ||
| 439 | #define RFD_RING_SIZE_MASK 0x0FFF | ||
| 440 | #define REG_RX_BUF_SIZE 0x1564 | ||
| 441 | #define RX_BUF_SIZE_MASK 0xFFFF | ||
| 442 | #define REG_RRD0_HEAD_ADDR_LO 0x1568 | ||
| 443 | #define REG_RRD1_HEAD_ADDR_LO 0x156C | ||
| 444 | #define REG_RRD2_HEAD_ADDR_LO 0x1570 | ||
| 445 | #define REG_RRD3_HEAD_ADDR_LO 0x1574 | ||
| 446 | #define REG_RRD_RING_SIZE 0x1578 | ||
| 447 | #define RRD_RING_SIZE_MASK 0x0FFF | ||
| 448 | #define REG_HTPD_HEAD_ADDR_LO 0x157C | ||
| 449 | #define REG_NTPD_HEAD_ADDR_LO 0x1580 | ||
| 450 | #define REG_TPD_RING_SIZE 0x1584 | ||
| 451 | #define TPD_RING_SIZE_MASK 0xFFFF | ||
| 452 | #define REG_CMB_BASE_ADDR_LO 0x1588 | ||
| 453 | |||
| 454 | /* RSS about */ | ||
| 455 | #define REG_RSS_KEY0 0x14B0 | ||
| 456 | #define REG_RSS_KEY1 0x14B4 | ||
| 457 | #define REG_RSS_KEY2 0x14B8 | ||
| 458 | #define REG_RSS_KEY3 0x14BC | ||
| 459 | #define REG_RSS_KEY4 0x14C0 | ||
| 460 | #define REG_RSS_KEY5 0x14C4 | ||
| 461 | #define REG_RSS_KEY6 0x14C8 | ||
| 462 | #define REG_RSS_KEY7 0x14CC | ||
| 463 | #define REG_RSS_KEY8 0x14D0 | ||
| 464 | #define REG_RSS_KEY9 0x14D4 | ||
| 465 | #define REG_IDT_TABLE0 0x14E0 | ||
| 466 | #define REG_IDT_TABLE1 0x14E4 | ||
| 467 | #define REG_IDT_TABLE2 0x14E8 | ||
| 468 | #define REG_IDT_TABLE3 0x14EC | ||
| 469 | #define REG_IDT_TABLE4 0x14F0 | ||
| 470 | #define REG_IDT_TABLE5 0x14F4 | ||
| 471 | #define REG_IDT_TABLE6 0x14F8 | ||
| 472 | #define REG_IDT_TABLE7 0x14FC | ||
| 473 | #define REG_IDT_TABLE REG_IDT_TABLE0 | ||
| 474 | #define REG_RSS_HASH_VALUE 0x15B0 | ||
| 475 | #define REG_RSS_HASH_FLAG 0x15B4 | ||
| 476 | #define REG_BASE_CPU_NUMBER 0x15B8 | ||
| 477 | |||
| 478 | /* TXQ Control Register */ | ||
| 479 | #define REG_TXQ_CTRL 0x1590 | ||
| 480 | #define TXQ_NUM_TPD_BURST_MASK 0xF | ||
| 481 | #define TXQ_NUM_TPD_BURST_SHIFT 0 | ||
| 482 | #define TXQ_CTRL_IP_OPTION_EN 0x10 | ||
| 483 | #define TXQ_CTRL_EN 0x20 | ||
| 484 | #define TXQ_CTRL_ENH_MODE 0x40 | ||
| 485 | #define TXQ_CTRL_LS_8023_EN 0x80 | ||
| 486 | #define TXQ_TXF_BURST_NUM_SHIFT 16 | ||
| 487 | #define TXQ_TXF_BURST_NUM_MASK 0xFFFF | ||
| 488 | |||
| 489 | /* Jumbo packet Threshold for task offload */ | ||
| 490 | #define REG_TX_TSO_OFFLOAD_THRESH 0x1594 /* In 8-bytes */ | ||
| 491 | #define TX_TSO_OFFLOAD_THRESH_MASK 0x07FF | ||
| 492 | |||
| 493 | #define REG_TXF_WATER_MARK 0x1598 /* In 8-bytes */ | ||
| 494 | #define TXF_WATER_MARK_MASK 0x0FFF | ||
| 495 | #define TXF_LOW_WATER_MARK_SHIFT 0 | ||
| 496 | #define TXF_HIGH_WATER_MARK_SHIFT 16 | ||
| 497 | #define TXQ_CTRL_BURST_MODE_EN 0x80000000 | ||
| 498 | |||
| 499 | #define REG_THRUPUT_MON_CTRL 0x159C | ||
| 500 | #define THRUPUT_MON_RATE_MASK 0x3 | ||
| 501 | #define THRUPUT_MON_RATE_SHIFT 0 | ||
| 502 | #define THRUPUT_MON_EN 0x80 | ||
| 503 | |||
| 504 | /* RXQ Control Register */ | ||
| 505 | #define REG_RXQ_CTRL 0x15A0 | ||
| 506 | #define ASPM_THRUPUT_LIMIT_MASK 0x3 | ||
| 507 | #define ASPM_THRUPUT_LIMIT_SHIFT 0 | ||
| 508 | #define ASPM_THRUPUT_LIMIT_NO 0x00 | ||
| 509 | #define ASPM_THRUPUT_LIMIT_1M 0x01 | ||
| 510 | #define ASPM_THRUPUT_LIMIT_10M 0x02 | ||
| 511 | #define ASPM_THRUPUT_LIMIT_100M 0x04 | ||
| 512 | #define RXQ1_CTRL_EN 0x10 | ||
| 513 | #define RXQ2_CTRL_EN 0x20 | ||
| 514 | #define RXQ3_CTRL_EN 0x40 | ||
| 515 | #define IPV6_CHKSUM_CTRL_EN 0x80 | ||
| 516 | #define RSS_HASH_BITS_MASK 0x00FF | ||
| 517 | #define RSS_HASH_BITS_SHIFT 8 | ||
| 518 | #define RSS_HASH_IPV4 0x10000 | ||
| 519 | #define RSS_HASH_IPV4_TCP 0x20000 | ||
| 520 | #define RSS_HASH_IPV6 0x40000 | ||
| 521 | #define RSS_HASH_IPV6_TCP 0x80000 | ||
| 522 | #define RXQ_RFD_BURST_NUM_MASK 0x003F | ||
| 523 | #define RXQ_RFD_BURST_NUM_SHIFT 20 | ||
| 524 | #define RSS_MODE_MASK 0x0003 | ||
| 525 | #define RSS_MODE_SHIFT 26 | ||
| 526 | #define RSS_NIP_QUEUE_SEL_MASK 0x1 | ||
| 527 | #define RSS_NIP_QUEUE_SEL_SHIFT 28 | ||
| 528 | #define RRS_HASH_CTRL_EN 0x20000000 | ||
| 529 | #define RX_CUT_THRU_EN 0x40000000 | ||
| 530 | #define RXQ_CTRL_EN 0x80000000 | ||
| 531 | |||
| 532 | #define REG_RFD_FREE_THRESH 0x15A4 | ||
| 533 | #define RFD_FREE_THRESH_MASK 0x003F | ||
| 534 | #define RFD_FREE_HI_THRESH_SHIFT 0 | ||
| 535 | #define RFD_FREE_LO_THRESH_SHIFT 6 | ||
| 536 | |||
| 537 | /* RXF flow control register */ | ||
| 538 | #define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 | ||
| 539 | #define RXQ_RXF_PAUSE_TH_HI_SHIFT 0 | ||
| 540 | #define RXQ_RXF_PAUSE_TH_HI_MASK 0x0FFF | ||
| 541 | #define RXQ_RXF_PAUSE_TH_LO_SHIFT 16 | ||
| 542 | #define RXQ_RXF_PAUSE_TH_LO_MASK 0x0FFF | ||
| 543 | |||
| 544 | #define REG_RXD_DMA_CTRL 0x15AC | ||
| 545 | #define RXD_DMA_THRESH_MASK 0x0FFF /* In 8-bytes */ | ||
| 546 | #define RXD_DMA_THRESH_SHIFT 0 | ||
| 547 | #define RXD_DMA_DOWN_TIMER_MASK 0xFFFF | ||
| 548 | #define RXD_DMA_DOWN_TIMER_SHIFT 16 | ||
| 549 | |||
| 550 | /* DMA Engine Control Register */ | ||
| 551 | #define REG_DMA_CTRL 0x15C0 | ||
| 552 | #define DMA_CTRL_DMAR_IN_ORDER 0x1 | ||
| 553 | #define DMA_CTRL_DMAR_ENH_ORDER 0x2 | ||
| 554 | #define DMA_CTRL_DMAR_OUT_ORDER 0x4 | ||
| 555 | #define DMA_CTRL_RCB_VALUE 0x8 | ||
| 556 | #define DMA_CTRL_DMAR_BURST_LEN_MASK 0x0007 | ||
| 557 | #define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 | ||
| 558 | #define DMA_CTRL_DMAW_BURST_LEN_MASK 0x0007 | ||
| 559 | #define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 | ||
| 560 | #define DMA_CTRL_DMAR_REQ_PRI 0x400 | ||
| 561 | #define DMA_CTRL_DMAR_DLY_CNT_MASK 0x001F | ||
| 562 | #define DMA_CTRL_DMAR_DLY_CNT_SHIFT 11 | ||
| 563 | #define DMA_CTRL_DMAW_DLY_CNT_MASK 0x000F | ||
| 564 | #define DMA_CTRL_DMAW_DLY_CNT_SHIFT 16 | ||
| 565 | #define DMA_CTRL_CMB_EN 0x100000 | ||
| 566 | #define DMA_CTRL_SMB_EN 0x200000 | ||
| 567 | #define DMA_CTRL_CMB_NOW 0x400000 | ||
| 568 | #define MAC_CTRL_SMB_DIS 0x1000000 | ||
| 569 | #define DMA_CTRL_SMB_NOW 0x80000000 | ||
| 570 | |||
| 571 | /* CMB/SMB Control Register */ | ||
| 572 | #define REG_SMB_STAT_TIMER 0x15C4 /* 2us resolution */ | ||
| 573 | #define SMB_STAT_TIMER_MASK 0xFFFFFF | ||
| 574 | #define REG_CMB_TPD_THRESH 0x15C8 | ||
| 575 | #define CMB_TPD_THRESH_MASK 0xFFFF | ||
| 576 | #define REG_CMB_TX_TIMER 0x15CC /* 2us resolution */ | ||
| 577 | #define CMB_TX_TIMER_MASK 0xFFFF | ||
| 578 | |||
| 579 | /* Mail box */ | ||
| 580 | #define MB_RFDX_PROD_IDX_MASK 0xFFFF | ||
| 581 | #define REG_MB_RFD0_PROD_IDX 0x15E0 | ||
| 582 | #define REG_MB_RFD1_PROD_IDX 0x15E4 | ||
| 583 | #define REG_MB_RFD2_PROD_IDX 0x15E8 | ||
| 584 | #define REG_MB_RFD3_PROD_IDX 0x15EC | ||
| 585 | |||
| 586 | #define MB_PRIO_PROD_IDX_MASK 0xFFFF | ||
| 587 | #define REG_MB_PRIO_PROD_IDX 0x15F0 | ||
| 588 | #define MB_HTPD_PROD_IDX_SHIFT 0 | ||
| 589 | #define MB_NTPD_PROD_IDX_SHIFT 16 | ||
| 590 | |||
| 591 | #define MB_PRIO_CONS_IDX_MASK 0xFFFF | ||
| 592 | #define REG_MB_PRIO_CONS_IDX 0x15F4 | ||
| 593 | #define MB_HTPD_CONS_IDX_SHIFT 0 | ||
| 594 | #define MB_NTPD_CONS_IDX_SHIFT 16 | ||
| 595 | |||
| 596 | #define REG_MB_RFD01_CONS_IDX 0x15F8 | ||
| 597 | #define MB_RFD0_CONS_IDX_MASK 0x0000FFFF | ||
| 598 | #define MB_RFD1_CONS_IDX_MASK 0xFFFF0000 | ||
| 599 | #define REG_MB_RFD23_CONS_IDX 0x15FC | ||
| 600 | #define MB_RFD2_CONS_IDX_MASK 0x0000FFFF | ||
| 601 | #define MB_RFD3_CONS_IDX_MASK 0xFFFF0000 | ||
| 602 | |||
| 603 | /* Interrupt Status Register */ | ||
| 604 | #define REG_ISR 0x1600 | ||
| 605 | #define ISR_SMB 0x00000001 | ||
| 606 | #define ISR_TIMER 0x00000002 | ||
| 607 | /* | ||
| 608 | * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set | ||
| 609 | * in Table 51 Selene Master Control Register (Offset 0x1400). | ||
| 610 | */ | ||
| 611 | #define ISR_MANUAL 0x00000004 | ||
| 612 | #define ISR_HW_RXF_OV 0x00000008 /* RXF overflow interrupt */ | ||
| 613 | #define ISR_RFD0_UR 0x00000010 /* RFD0 under run */ | ||
| 614 | #define ISR_RFD1_UR 0x00000020 | ||
| 615 | #define ISR_RFD2_UR 0x00000040 | ||
| 616 | #define ISR_RFD3_UR 0x00000080 | ||
| 617 | #define ISR_TXF_UR 0x00000100 | ||
| 618 | #define ISR_DMAR_TO_RST 0x00000200 | ||
| 619 | #define ISR_DMAW_TO_RST 0x00000400 | ||
| 620 | #define ISR_TX_CREDIT 0x00000800 | ||
| 621 | #define ISR_GPHY 0x00001000 | ||
| 622 | /* GPHY low power state interrupt */ | ||
| 623 | #define ISR_GPHY_LPW 0x00002000 | ||
| 624 | #define ISR_TXQ_TO_RST 0x00004000 | ||
| 625 | #define ISR_TX_PKT 0x00008000 | ||
| 626 | #define ISR_RX_PKT_0 0x00010000 | ||
| 627 | #define ISR_RX_PKT_1 0x00020000 | ||
| 628 | #define ISR_RX_PKT_2 0x00040000 | ||
| 629 | #define ISR_RX_PKT_3 0x00080000 | ||
| 630 | #define ISR_MAC_RX 0x00100000 | ||
| 631 | #define ISR_MAC_TX 0x00200000 | ||
| 632 | #define ISR_UR_DETECTED 0x00400000 | ||
| 633 | #define ISR_FERR_DETECTED 0x00800000 | ||
| 634 | #define ISR_NFERR_DETECTED 0x01000000 | ||
| 635 | #define ISR_CERR_DETECTED 0x02000000 | ||
| 636 | #define ISR_PHY_LINKDOWN 0x04000000 | ||
| 637 | #define ISR_DIS_INT 0x80000000 | ||
| 638 | |||
| 639 | /* Interrupt Mask Register */ | ||
| 640 | #define REG_IMR 0x1604 | ||
| 641 | |||
| 642 | #define IMR_NORMAL_MASK (\ | ||
| 643 | ISR_MANUAL |\ | ||
| 644 | ISR_HW_RXF_OV |\ | ||
| 645 | ISR_RFD0_UR |\ | ||
| 646 | ISR_TXF_UR |\ | ||
| 647 | ISR_DMAR_TO_RST |\ | ||
| 648 | ISR_TXQ_TO_RST |\ | ||
| 649 | ISR_DMAW_TO_RST |\ | ||
| 650 | ISR_GPHY |\ | ||
| 651 | ISR_TX_PKT |\ | ||
| 652 | ISR_RX_PKT_0 |\ | ||
| 653 | ISR_GPHY_LPW |\ | ||
| 654 | ISR_PHY_LINKDOWN) | ||
| 655 | |||
| 656 | #define ISR_RX_PKT (\ | ||
| 657 | ISR_RX_PKT_0 |\ | ||
| 658 | ISR_RX_PKT_1 |\ | ||
| 659 | ISR_RX_PKT_2 |\ | ||
| 660 | ISR_RX_PKT_3) | ||
| 661 | |||
| 662 | #define ISR_OVER (\ | ||
| 663 | ISR_RFD0_UR |\ | ||
| 664 | ISR_RFD1_UR |\ | ||
| 665 | ISR_RFD2_UR |\ | ||
| 666 | ISR_RFD3_UR |\ | ||
| 667 | ISR_HW_RXF_OV |\ | ||
| 668 | ISR_TXF_UR) | ||
| 669 | |||
| 670 | #define ISR_ERROR (\ | ||
| 671 | ISR_DMAR_TO_RST |\ | ||
| 672 | ISR_TXQ_TO_RST |\ | ||
| 673 | ISR_DMAW_TO_RST |\ | ||
| 674 | ISR_PHY_LINKDOWN) | ||
| 675 | |||
| 676 | #define REG_INT_RETRIG_TIMER 0x1608 | ||
| 677 | #define INT_RETRIG_TIMER_MASK 0xFFFF | ||
| 678 | |||
| 679 | #define REG_HDS_CTRL 0x160C | ||
| 680 | #define HDS_CTRL_EN 0x0001 | ||
| 681 | #define HDS_CTRL_BACKFILLSIZE_SHIFT 8 | ||
| 682 | #define HDS_CTRL_BACKFILLSIZE_MASK 0x0FFF | ||
| 683 | #define HDS_CTRL_MAX_HDRSIZE_SHIFT 20 | ||
| 684 | #define HDS_CTRL_MAC_HDRSIZE_MASK 0x0FFF | ||
| 685 | |||
| 686 | #define REG_MAC_RX_STATUS_BIN 0x1700 | ||
| 687 | #define REG_MAC_RX_STATUS_END 0x175c | ||
| 688 | #define REG_MAC_TX_STATUS_BIN 0x1760 | ||
| 689 | #define REG_MAC_TX_STATUS_END 0x17c0 | ||
| 690 | |||
| 691 | /* DEBUG ADDR */ | ||
| 692 | #define REG_DEBUG_DATA0 0x1900 | ||
| 693 | #define REG_DEBUG_DATA1 0x1904 | ||
| 694 | |||
| 695 | /* PHY Control Register */ | ||
| 696 | #define MII_BMCR 0x00 | ||
| 697 | #define BMCR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100, 00=10 */ | ||
| 698 | #define BMCR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */ | ||
| 699 | #define BMCR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */ | ||
| 700 | #define BMCR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */ | ||
| 701 | #define BMCR_ISOLATE 0x0400 /* Isolate PHY from MII */ | ||
| 702 | #define BMCR_POWER_DOWN 0x0800 /* Power down */ | ||
| 703 | #define BMCR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */ | ||
| 704 | #define BMCR_SPEED_SELECT_LSB 0x2000 /* bits 6,13: 10=1000, 01=100, 00=10 */ | ||
| 705 | #define BMCR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */ | ||
| 706 | #define BMCR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */ | ||
| 707 | #define BMCR_SPEED_MASK 0x2040 | ||
| 708 | #define BMCR_SPEED_1000 0x0040 | ||
| 709 | #define BMCR_SPEED_100 0x2000 | ||
| 710 | #define BMCR_SPEED_10 0x0000 | ||
| 711 | |||
| 712 | /* PHY Status Register */ | ||
| 713 | #define MII_BMSR 0x01 | ||
| 714 | #define BMMSR_EXTENDED_CAPS 0x0001 /* Extended register capabilities */ | ||
| 715 | #define BMSR_JABBER_DETECT 0x0002 /* Jabber Detected */ | ||
| 716 | #define BMSR_LINK_STATUS 0x0004 /* Link Status 1 = link */ | ||
| 717 | #define BMSR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */ | ||
| 718 | #define BMSR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */ | ||
| 719 | #define BMSR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */ | ||
| 720 | #define BMSR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */ | ||
| 721 | #define BMSR_EXTENDED_STATUS 0x0100 /* Ext. status info in Reg 0x0F */ | ||
| 722 | #define BMSR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */ | ||
| 723 | #define BMSR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */ | ||
| 724 | #define BMSR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */ | ||
| 725 | #define BMSR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */ | ||
| 726 | #define BMSR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */ | ||
| 727 | #define BMMII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */ | ||
| 728 | #define BMMII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */ | ||
| 729 | |||
| 730 | #define MII_PHYSID1 0x02 | ||
| 731 | #define MII_PHYSID2 0x03 | ||
| 732 | |||
| 733 | /* Autoneg Advertisement Register */ | ||
| 734 | #define MII_ADVERTISE 0x04 | ||
| 735 | #define ADVERTISE_SPEED_MASK 0x01E0 | ||
| 736 | #define ADVERTISE_DEFAULT_CAP 0x0DE0 | ||
| 737 | |||
| 738 | /* 1000BASE-T Control Register */ | ||
| 739 | #define MII_GIGA_CR 0x09 | ||
| 740 | #define GIGA_CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device port 0=DTE device */ | ||
| 741 | |||
| 742 | #define GIGA_CR_1000T_MS_VALUE 0x0800 /* 1=Configure PHY as Master 0=Configure PHY as Slave */ | ||
| 743 | #define GIGA_CR_1000T_MS_ENABLE 0x1000 /* 1=Master/Slave manual config value 0=Automatic Master/Slave config */ | ||
| 744 | #define GIGA_CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */ | ||
| 745 | #define GIGA_CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */ | ||
| 746 | #define GIGA_CR_1000T_TEST_MODE_2 0x4000 /* Master Transmit Jitter test */ | ||
| 747 | #define GIGA_CR_1000T_TEST_MODE_3 0x6000 /* Slave Transmit Jitter test */ | ||
| 748 | #define GIGA_CR_1000T_TEST_MODE_4 0x8000 /* Transmitter Distortion test */ | ||
| 749 | #define GIGA_CR_1000T_SPEED_MASK 0x0300 | ||
| 750 | #define GIGA_CR_1000T_DEFAULT_CAP 0x0300 | ||
| 751 | |||
| 752 | /* PHY Specific Status Register */ | ||
| 753 | #define MII_GIGA_PSSR 0x11 | ||
| 754 | #define GIGA_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ | ||
| 755 | #define GIGA_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ | ||
| 756 | #define GIGA_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ | ||
| 757 | #define GIGA_PSSR_10MBS 0x0000 /* 00=10Mbs */ | ||
| 758 | #define GIGA_PSSR_100MBS 0x4000 /* 01=100Mbs */ | ||
| 759 | #define GIGA_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ | ||
| 760 | |||
| 761 | /* PHY Interrupt Enable Register */ | ||
| 762 | #define MII_IER 0x12 | ||
| 763 | #define IER_LINK_UP 0x0400 | ||
| 764 | #define IER_LINK_DOWN 0x0800 | ||
| 765 | |||
| 766 | /* PHY Interrupt Status Register */ | ||
| 767 | #define MII_ISR 0x13 | ||
| 768 | #define ISR_LINK_UP 0x0400 | ||
| 769 | #define ISR_LINK_DOWN 0x0800 | ||
| 770 | |||
| 771 | /* Cable-Detect-Test Control Register */ | ||
| 772 | #define MII_CDTC 0x16 | ||
| 773 | #define CDTC_EN_OFF 0 /* sc */ | ||
| 774 | #define CDTC_EN_BITS 1 | ||
| 775 | #define CDTC_PAIR_OFF 8 | ||
| 776 | #define CDTC_PAIR_BIT 2 | ||
| 777 | |||
| 778 | /* Cable-Detect-Test Status Register */ | ||
| 779 | #define MII_CDTS 0x1C | ||
| 780 | #define CDTS_STATUS_OFF 8 | ||
| 781 | #define CDTS_STATUS_BITS 2 | ||
| 782 | #define CDTS_STATUS_NORMAL 0 | ||
| 783 | #define CDTS_STATUS_SHORT 1 | ||
| 784 | #define CDTS_STATUS_OPEN 2 | ||
| 785 | #define CDTS_STATUS_INVALID 3 | ||
| 786 | |||
| 787 | #define MII_DBG_ADDR 0x1D | ||
| 788 | #define MII_DBG_DATA 0x1E | ||
| 789 | |||
| 790 | #define MII_ANA_CTRL_0 0x0 | ||
| 791 | #define ANA_RESTART_CAL 0x0001 | ||
| 792 | #define ANA_MANUL_SWICH_ON_SHIFT 0x1 | ||
| 793 | #define ANA_MANUL_SWICH_ON_MASK 0xF | ||
| 794 | #define ANA_MAN_ENABLE 0x0020 | ||
| 795 | #define ANA_SEL_HSP 0x0040 | ||
| 796 | #define ANA_EN_HB 0x0080 | ||
| 797 | #define ANA_EN_HBIAS 0x0100 | ||
| 798 | #define ANA_OEN_125M 0x0200 | ||
| 799 | #define ANA_EN_LCKDT 0x0400 | ||
| 800 | #define ANA_LCKDT_PHY 0x0800 | ||
| 801 | #define ANA_AFE_MODE 0x1000 | ||
| 802 | #define ANA_VCO_SLOW 0x2000 | ||
| 803 | #define ANA_VCO_FAST 0x4000 | ||
| 804 | #define ANA_SEL_CLK125M_DSP 0x8000 | ||
| 805 | |||
| 806 | #define MII_ANA_CTRL_4 0x4 | ||
| 807 | #define ANA_IECHO_ADJ_MASK 0xF | ||
| 808 | #define ANA_IECHO_ADJ_3_SHIFT 0 | ||
| 809 | #define ANA_IECHO_ADJ_2_SHIFT 4 | ||
| 810 | #define ANA_IECHO_ADJ_1_SHIFT 8 | ||
| 811 | #define ANA_IECHO_ADJ_0_SHIFT 12 | ||
| 812 | |||
| 813 | #define MII_ANA_CTRL_5 0x5 | ||
| 814 | #define ANA_SERDES_CDR_BW_SHIFT 0 | ||
| 815 | #define ANA_SERDES_CDR_BW_MASK 0x3 | ||
| 816 | #define ANA_MS_PAD_DBG 0x0004 | ||
| 817 | #define ANA_SPEEDUP_DBG 0x0008 | ||
| 818 | #define ANA_SERDES_TH_LOS_SHIFT 4 | ||
| 819 | #define ANA_SERDES_TH_LOS_MASK 0x3 | ||
| 820 | #define ANA_SERDES_EN_DEEM 0x0040 | ||
| 821 | #define ANA_SERDES_TXELECIDLE 0x0080 | ||
| 822 | #define ANA_SERDES_BEACON 0x0100 | ||
| 823 | #define ANA_SERDES_HALFTXDR 0x0200 | ||
| 824 | #define ANA_SERDES_SEL_HSP 0x0400 | ||
| 825 | #define ANA_SERDES_EN_PLL 0x0800 | ||
| 826 | #define ANA_SERDES_EN 0x1000 | ||
| 827 | #define ANA_SERDES_EN_LCKDT 0x2000 | ||
| 828 | |||
| 829 | #define MII_ANA_CTRL_11 0xB | ||
| 830 | #define ANA_PS_HIB_EN 0x8000 | ||
| 831 | |||
| 832 | #define MII_ANA_CTRL_18 0x12 | ||
| 833 | #define ANA_TEST_MODE_10BT_01SHIFT 0 | ||
| 834 | #define ANA_TEST_MODE_10BT_01MASK 0x3 | ||
| 835 | #define ANA_LOOP_SEL_10BT 0x0004 | ||
| 836 | #define ANA_RGMII_MODE_SW 0x0008 | ||
| 837 | #define ANA_EN_LONGECABLE 0x0010 | ||
| 838 | #define ANA_TEST_MODE_10BT_2 0x0020 | ||
| 839 | #define ANA_EN_10BT_IDLE 0x0400 | ||
| 840 | #define ANA_EN_MASK_TB 0x0800 | ||
| 841 | #define ANA_TRIGGER_SEL_TIMER_SHIFT 12 | ||
| 842 | #define ANA_TRIGGER_SEL_TIMER_MASK 0x3 | ||
| 843 | #define ANA_INTERVAL_SEL_TIMER_SHIFT 14 | ||
| 844 | #define ANA_INTERVAL_SEL_TIMER_MASK 0x3 | ||
| 845 | |||
| 846 | #define MII_ANA_CTRL_41 0x29 | ||
| 847 | #define ANA_TOP_PS_EN 0x8000 | ||
| 848 | |||
| 849 | #define MII_ANA_CTRL_54 0x36 | ||
| 850 | #define ANA_LONG_CABLE_TH_100_SHIFT 0 | ||
| 851 | #define ANA_LONG_CABLE_TH_100_MASK 0x3F | ||
| 852 | #define ANA_DESERVED 0x0040 | ||
| 853 | #define ANA_EN_LIT_CH 0x0080 | ||
| 854 | #define ANA_SHORT_CABLE_TH_100_SHIFT 8 | ||
| 855 | #define ANA_SHORT_CABLE_TH_100_MASK 0x3F | ||
| 856 | #define ANA_BP_BAD_LINK_ACCUM 0x4000 | ||
| 857 | #define ANA_BP_SMALL_BW 0x8000 | ||
| 858 | |||
| 859 | #endif /*_ATL1C_HW_H_*/ | ||
diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c new file mode 100644 index 000000000000..deb7b53167ee --- /dev/null +++ b/drivers/net/atl1c/atl1c_main.c | |||
| @@ -0,0 +1,2797 @@ | |||
| 1 | /* | ||
| 2 | * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. | ||
| 3 | * | ||
| 4 | * Derived from Intel e1000 driver | ||
| 5 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify it | ||
| 8 | * under the terms of the GNU General Public License as published by the Free | ||
| 9 | * Software Foundation; either version 2 of the License, or (at your option) | ||
| 10 | * any later version. | ||
| 11 | * | ||
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 15 | * more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License along with | ||
| 18 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
| 19 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include "atl1c.h" | ||
| 23 | |||
| 24 | #define ATL1C_DRV_VERSION "1.0.0.1-NAPI" | ||
| 25 | char atl1c_driver_name[] = "atl1c"; | ||
| 26 | char atl1c_driver_version[] = ATL1C_DRV_VERSION; | ||
| 27 | #define PCI_DEVICE_ID_ATTANSIC_L2C 0x1062 | ||
| 28 | #define PCI_DEVICE_ID_ATTANSIC_L1C 0x1063 | ||
| 29 | /* | ||
| 30 | * atl1c_pci_tbl - PCI Device ID Table | ||
| 31 | * | ||
| 32 | * Wildcard entries (PCI_ANY_ID) should come last | ||
| 33 | * Last entry must be all 0s | ||
| 34 | * | ||
| 35 | * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, | ||
| 36 | * Class, Class Mask, private data (not used) } | ||
| 37 | */ | ||
| 38 | static struct pci_device_id atl1c_pci_tbl[] = { | ||
| 39 | {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1C)}, | ||
| 40 | {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2C)}, | ||
| 41 | /* required last entry */ | ||
| 42 | { 0 } | ||
| 43 | }; | ||
| 44 | MODULE_DEVICE_TABLE(pci, atl1c_pci_tbl); | ||
| 45 | |||
| 46 | MODULE_AUTHOR("Jie Yang <jie.yang@atheros.com>"); | ||
| 47 | MODULE_DESCRIPTION("Atheros 1000M Ethernet Network Driver"); | ||
| 48 | MODULE_LICENSE("GPL"); | ||
| 49 | MODULE_VERSION(ATL1C_DRV_VERSION); | ||
| 50 | |||
| 51 | static int atl1c_stop_mac(struct atl1c_hw *hw); | ||
| 52 | static void atl1c_enable_rx_ctrl(struct atl1c_hw *hw); | ||
| 53 | static void atl1c_enable_tx_ctrl(struct atl1c_hw *hw); | ||
| 54 | static void atl1c_disable_l0s_l1(struct atl1c_hw *hw); | ||
| 55 | static void atl1c_set_aspm(struct atl1c_hw *hw, bool linkup); | ||
| 56 | static void atl1c_setup_mac_ctrl(struct atl1c_adapter *adapter); | ||
| 57 | static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que, | ||
| 58 | int *work_done, int work_to_do); | ||
| 59 | |||
| 60 | static const u16 atl1c_pay_load_size[] = { | ||
| 61 | 128, 256, 512, 1024, 2048, 4096, | ||
| 62 | }; | ||
| 63 | |||
| 64 | static const u16 atl1c_rfd_prod_idx_regs[AT_MAX_RECEIVE_QUEUE] = | ||
| 65 | { | ||
| 66 | REG_MB_RFD0_PROD_IDX, | ||
| 67 | REG_MB_RFD1_PROD_IDX, | ||
| 68 | REG_MB_RFD2_PROD_IDX, | ||
| 69 | REG_MB_RFD3_PROD_IDX | ||
| 70 | }; | ||
| 71 | |||
| 72 | static const u16 atl1c_rfd_addr_lo_regs[AT_MAX_RECEIVE_QUEUE] = | ||
| 73 | { | ||
| 74 | REG_RFD0_HEAD_ADDR_LO, | ||
| 75 | REG_RFD1_HEAD_ADDR_LO, | ||
| 76 | REG_RFD2_HEAD_ADDR_LO, | ||
| 77 | REG_RFD3_HEAD_ADDR_LO | ||
| 78 | }; | ||
| 79 | |||
| 80 | static const u16 atl1c_rrd_addr_lo_regs[AT_MAX_RECEIVE_QUEUE] = | ||
| 81 | { | ||
| 82 | REG_RRD0_HEAD_ADDR_LO, | ||
| 83 | REG_RRD1_HEAD_ADDR_LO, | ||
| 84 | REG_RRD2_HEAD_ADDR_LO, | ||
| 85 | REG_RRD3_HEAD_ADDR_LO | ||
| 86 | }; | ||
| 87 | |||
| 88 | static const u32 atl1c_default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | | ||
| 89 | NETIF_MSG_LINK | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP; | ||
| 90 | |||
| 91 | /* | ||
| 92 | * atl1c_init_pcie - init PCIE module | ||
| 93 | */ | ||
| 94 | static void atl1c_reset_pcie(struct atl1c_hw *hw, u32 flag) | ||
| 95 | { | ||
| 96 | u32 data; | ||
| 97 | u32 pci_cmd; | ||
| 98 | struct pci_dev *pdev = hw->adapter->pdev; | ||
| 99 | |||
| 100 | AT_READ_REG(hw, PCI_COMMAND, &pci_cmd); | ||
| 101 | pci_cmd &= ~PCI_COMMAND_INTX_DISABLE; | ||
| 102 | pci_cmd |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | | ||
| 103 | PCI_COMMAND_IO); | ||
| 104 | AT_WRITE_REG(hw, PCI_COMMAND, pci_cmd); | ||
| 105 | |||
| 106 | /* | ||
| 107 | * Clear any PowerSaveing Settings | ||
| 108 | */ | ||
| 109 | pci_enable_wake(pdev, PCI_D3hot, 0); | ||
| 110 | pci_enable_wake(pdev, PCI_D3cold, 0); | ||
| 111 | |||
| 112 | /* | ||
| 113 | * Mask some pcie error bits | ||
| 114 | */ | ||
| 115 | AT_READ_REG(hw, REG_PCIE_UC_SEVERITY, &data); | ||
| 116 | data &= ~PCIE_UC_SERVRITY_DLP; | ||
| 117 | data &= ~PCIE_UC_SERVRITY_FCP; | ||
| 118 | AT_WRITE_REG(hw, REG_PCIE_UC_SEVERITY, data); | ||
| 119 | |||
| 120 | if (flag & ATL1C_PCIE_L0S_L1_DISABLE) | ||
| 121 | atl1c_disable_l0s_l1(hw); | ||
| 122 | if (flag & ATL1C_PCIE_PHY_RESET) | ||
| 123 | AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT); | ||
| 124 | else | ||
| 125 | AT_WRITE_REG(hw, REG_GPHY_CTRL, | ||
| 126 | GPHY_CTRL_DEFAULT | GPHY_CTRL_EXT_RESET); | ||
| 127 | |||
| 128 | msleep(1); | ||
| 129 | } | ||
| 130 | |||
| 131 | /* | ||
| 132 | * atl1c_irq_enable - Enable default interrupt generation settings | ||
| 133 | * @adapter: board private structure | ||
| 134 | */ | ||
| 135 | static inline void atl1c_irq_enable(struct atl1c_adapter *adapter) | ||
| 136 | { | ||
| 137 | if (likely(atomic_dec_and_test(&adapter->irq_sem))) { | ||
| 138 | AT_WRITE_REG(&adapter->hw, REG_ISR, 0x7FFFFFFF); | ||
| 139 | AT_WRITE_REG(&adapter->hw, REG_IMR, adapter->hw.intr_mask); | ||
| 140 | AT_WRITE_FLUSH(&adapter->hw); | ||
| 141 | } | ||
| 142 | } | ||
| 143 | |||
| 144 | /* | ||
| 145 | * atl1c_irq_disable - Mask off interrupt generation on the NIC | ||
| 146 | * @adapter: board private structure | ||
| 147 | */ | ||
| 148 | static inline void atl1c_irq_disable(struct atl1c_adapter *adapter) | ||
| 149 | { | ||
| 150 | atomic_inc(&adapter->irq_sem); | ||
| 151 | AT_WRITE_REG(&adapter->hw, REG_IMR, 0); | ||
| 152 | AT_WRITE_FLUSH(&adapter->hw); | ||
| 153 | synchronize_irq(adapter->pdev->irq); | ||
| 154 | } | ||
| 155 | |||
| 156 | /* | ||
| 157 | * atl1c_irq_reset - reset interrupt confiure on the NIC | ||
| 158 | * @adapter: board private structure | ||
| 159 | */ | ||
| 160 | static inline void atl1c_irq_reset(struct atl1c_adapter *adapter) | ||
| 161 | { | ||
| 162 | atomic_set(&adapter->irq_sem, 1); | ||
| 163 | atl1c_irq_enable(adapter); | ||
| 164 | } | ||
| 165 | |||
| 166 | /* | ||
| 167 | * atl1c_phy_config - Timer Call-back | ||
| 168 | * @data: pointer to netdev cast into an unsigned long | ||
| 169 | */ | ||
| 170 | static void atl1c_phy_config(unsigned long data) | ||
| 171 | { | ||
| 172 | struct atl1c_adapter *adapter = (struct atl1c_adapter *) data; | ||
| 173 | struct atl1c_hw *hw = &adapter->hw; | ||
| 174 | unsigned long flags; | ||
| 175 | |||
| 176 | spin_lock_irqsave(&adapter->mdio_lock, flags); | ||
| 177 | atl1c_restart_autoneg(hw); | ||
| 178 | spin_unlock_irqrestore(&adapter->mdio_lock, flags); | ||
| 179 | } | ||
| 180 | |||
| 181 | void atl1c_reinit_locked(struct atl1c_adapter *adapter) | ||
| 182 | { | ||
| 183 | |||
| 184 | WARN_ON(in_interrupt()); | ||
| 185 | atl1c_down(adapter); | ||
| 186 | atl1c_up(adapter); | ||
| 187 | clear_bit(__AT_RESETTING, &adapter->flags); | ||
| 188 | } | ||
| 189 | |||
| 190 | static void atl1c_reset_task(struct work_struct *work) | ||
| 191 | { | ||
| 192 | struct atl1c_adapter *adapter; | ||
| 193 | struct net_device *netdev; | ||
| 194 | |||
| 195 | adapter = container_of(work, struct atl1c_adapter, reset_task); | ||
| 196 | netdev = adapter->netdev; | ||
| 197 | |||
| 198 | netif_device_detach(netdev); | ||
| 199 | atl1c_down(adapter); | ||
| 200 | atl1c_up(adapter); | ||
| 201 | netif_device_attach(netdev); | ||
| 202 | } | ||
| 203 | |||
| 204 | static void atl1c_check_link_status(struct atl1c_adapter *adapter) | ||
| 205 | { | ||
| 206 | struct atl1c_hw *hw = &adapter->hw; | ||
| 207 | struct net_device *netdev = adapter->netdev; | ||
| 208 | struct pci_dev *pdev = adapter->pdev; | ||
| 209 | int err; | ||
| 210 | unsigned long flags; | ||
| 211 | u16 speed, duplex, phy_data; | ||
| 212 | |||
| 213 | spin_lock_irqsave(&adapter->mdio_lock, flags); | ||
| 214 | /* MII_BMSR must read twise */ | ||
| 215 | atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); | ||
| 216 | atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); | ||
| 217 | spin_unlock_irqrestore(&adapter->mdio_lock, flags); | ||
| 218 | |||
| 219 | if ((phy_data & BMSR_LSTATUS) == 0) { | ||
| 220 | /* link down */ | ||
| 221 | if (netif_carrier_ok(netdev)) { | ||
| 222 | hw->hibernate = true; | ||
| 223 | atl1c_set_aspm(hw, false); | ||
| 224 | if (atl1c_stop_mac(hw) != 0) | ||
| 225 | if (netif_msg_hw(adapter)) | ||
| 226 | dev_warn(&pdev->dev, | ||
| 227 | "stop mac failed\n"); | ||
| 228 | } | ||
| 229 | netif_carrier_off(netdev); | ||
| 230 | } else { | ||
| 231 | /* Link Up */ | ||
| 232 | hw->hibernate = false; | ||
| 233 | spin_lock_irqsave(&adapter->mdio_lock, flags); | ||
| 234 | err = atl1c_get_speed_and_duplex(hw, &speed, &duplex); | ||
| 235 | spin_unlock_irqrestore(&adapter->mdio_lock, flags); | ||
| 236 | if (unlikely(err)) | ||
| 237 | return; | ||
| 238 | /* link result is our setting */ | ||
| 239 | if (adapter->link_speed != speed || | ||
| 240 | adapter->link_duplex != duplex) { | ||
| 241 | adapter->link_speed = speed; | ||
| 242 | adapter->link_duplex = duplex; | ||
| 243 | atl1c_enable_tx_ctrl(hw); | ||
| 244 | atl1c_enable_rx_ctrl(hw); | ||
| 245 | atl1c_setup_mac_ctrl(adapter); | ||
| 246 | atl1c_set_aspm(hw, true); | ||
| 247 | if (netif_msg_link(adapter)) | ||
| 248 | dev_info(&pdev->dev, | ||
| 249 | "%s: %s NIC Link is Up<%d Mbps %s>\n", | ||
| 250 | atl1c_driver_name, netdev->name, | ||
| 251 | adapter->link_speed, | ||
| 252 | adapter->link_duplex == FULL_DUPLEX ? | ||
| 253 | "Full Duplex" : "Half Duplex"); | ||
| 254 | } | ||
| 255 | if (!netif_carrier_ok(netdev)) | ||
| 256 | netif_carrier_on(netdev); | ||
| 257 | } | ||
| 258 | } | ||
| 259 | |||
| 260 | /* | ||
| 261 | * atl1c_link_chg_task - deal with link change event Out of interrupt context | ||
| 262 | * @netdev: network interface device structure | ||
| 263 | */ | ||
| 264 | static void atl1c_link_chg_task(struct work_struct *work) | ||
| 265 | { | ||
| 266 | struct atl1c_adapter *adapter; | ||
| 267 | |||
| 268 | adapter = container_of(work, struct atl1c_adapter, link_chg_task); | ||
| 269 | atl1c_check_link_status(adapter); | ||
| 270 | } | ||
| 271 | |||
| 272 | static void atl1c_link_chg_event(struct atl1c_adapter *adapter) | ||
| 273 | { | ||
| 274 | struct net_device *netdev = adapter->netdev; | ||
| 275 | struct pci_dev *pdev = adapter->pdev; | ||
| 276 | u16 phy_data; | ||
| 277 | u16 link_up; | ||
| 278 | |||
| 279 | spin_lock(&adapter->mdio_lock); | ||
| 280 | atl1c_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); | ||
| 281 | atl1c_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); | ||
| 282 | spin_unlock(&adapter->mdio_lock); | ||
| 283 | link_up = phy_data & BMSR_LSTATUS; | ||
| 284 | /* notify upper layer link down ASAP */ | ||
| 285 | if (!link_up) { | ||
| 286 | if (netif_carrier_ok(netdev)) { | ||
| 287 | /* old link state: Up */ | ||
| 288 | netif_carrier_off(netdev); | ||
| 289 | if (netif_msg_link(adapter)) | ||
| 290 | dev_info(&pdev->dev, | ||
| 291 | "%s: %s NIC Link is Down\n", | ||
| 292 | atl1c_driver_name, netdev->name); | ||
| 293 | adapter->link_speed = SPEED_0; | ||
| 294 | } | ||
| 295 | } | ||
| 296 | schedule_work(&adapter->link_chg_task); | ||
| 297 | } | ||
| 298 | |||
| 299 | static void atl1c_del_timer(struct atl1c_adapter *adapter) | ||
| 300 | { | ||
| 301 | del_timer_sync(&adapter->phy_config_timer); | ||
| 302 | } | ||
| 303 | |||
| 304 | static void atl1c_cancel_work(struct atl1c_adapter *adapter) | ||
| 305 | { | ||
| 306 | cancel_work_sync(&adapter->reset_task); | ||
| 307 | cancel_work_sync(&adapter->link_chg_task); | ||
| 308 | } | ||
| 309 | |||
| 310 | /* | ||
| 311 | * atl1c_tx_timeout - Respond to a Tx Hang | ||
| 312 | * @netdev: network interface device structure | ||
| 313 | */ | ||
| 314 | static void atl1c_tx_timeout(struct net_device *netdev) | ||
| 315 | { | ||
| 316 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 317 | |||
| 318 | /* Do the reset outside of interrupt context */ | ||
| 319 | schedule_work(&adapter->reset_task); | ||
| 320 | } | ||
| 321 | |||
| 322 | /* | ||
| 323 | * atl1c_set_multi - Multicast and Promiscuous mode set | ||
| 324 | * @netdev: network interface device structure | ||
| 325 | * | ||
| 326 | * The set_multi entry point is called whenever the multicast address | ||
| 327 | * list or the network interface flags are updated. This routine is | ||
| 328 | * responsible for configuring the hardware for proper multicast, | ||
| 329 | * promiscuous mode, and all-multi behavior. | ||
| 330 | */ | ||
| 331 | static void atl1c_set_multi(struct net_device *netdev) | ||
| 332 | { | ||
| 333 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 334 | struct atl1c_hw *hw = &adapter->hw; | ||
| 335 | struct dev_mc_list *mc_ptr; | ||
| 336 | u32 mac_ctrl_data; | ||
| 337 | u32 hash_value; | ||
| 338 | |||
| 339 | /* Check for Promiscuous and All Multicast modes */ | ||
| 340 | AT_READ_REG(hw, REG_MAC_CTRL, &mac_ctrl_data); | ||
| 341 | |||
| 342 | if (netdev->flags & IFF_PROMISC) { | ||
| 343 | mac_ctrl_data |= MAC_CTRL_PROMIS_EN; | ||
| 344 | } else if (netdev->flags & IFF_ALLMULTI) { | ||
| 345 | mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; | ||
| 346 | mac_ctrl_data &= ~MAC_CTRL_PROMIS_EN; | ||
| 347 | } else { | ||
| 348 | mac_ctrl_data &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); | ||
| 349 | } | ||
| 350 | |||
| 351 | AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); | ||
| 352 | |||
| 353 | /* clear the old settings from the multicast hash table */ | ||
| 354 | AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); | ||
| 355 | AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); | ||
| 356 | |||
| 357 | /* comoute mc addresses' hash value ,and put it into hash table */ | ||
| 358 | for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) { | ||
| 359 | hash_value = atl1c_hash_mc_addr(hw, mc_ptr->dmi_addr); | ||
| 360 | atl1c_hash_set(hw, hash_value); | ||
| 361 | } | ||
| 362 | } | ||
| 363 | |||
| 364 | static void atl1c_vlan_rx_register(struct net_device *netdev, | ||
| 365 | struct vlan_group *grp) | ||
| 366 | { | ||
| 367 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 368 | struct pci_dev *pdev = adapter->pdev; | ||
| 369 | u32 mac_ctrl_data = 0; | ||
| 370 | |||
| 371 | if (netif_msg_pktdata(adapter)) | ||
| 372 | dev_dbg(&pdev->dev, "atl1c_vlan_rx_register\n"); | ||
| 373 | |||
| 374 | atl1c_irq_disable(adapter); | ||
| 375 | |||
| 376 | adapter->vlgrp = grp; | ||
| 377 | AT_READ_REG(&adapter->hw, REG_MAC_CTRL, &mac_ctrl_data); | ||
| 378 | |||
| 379 | if (grp) { | ||
| 380 | /* enable VLAN tag insert/strip */ | ||
| 381 | mac_ctrl_data |= MAC_CTRL_RMV_VLAN; | ||
| 382 | } else { | ||
| 383 | /* disable VLAN tag insert/strip */ | ||
| 384 | mac_ctrl_data &= ~MAC_CTRL_RMV_VLAN; | ||
| 385 | } | ||
| 386 | |||
| 387 | AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data); | ||
| 388 | atl1c_irq_enable(adapter); | ||
| 389 | } | ||
| 390 | |||
| 391 | static void atl1c_restore_vlan(struct atl1c_adapter *adapter) | ||
| 392 | { | ||
| 393 | struct pci_dev *pdev = adapter->pdev; | ||
| 394 | |||
| 395 | if (netif_msg_pktdata(adapter)) | ||
| 396 | dev_dbg(&pdev->dev, "atl1c_restore_vlan !"); | ||
| 397 | atl1c_vlan_rx_register(adapter->netdev, adapter->vlgrp); | ||
| 398 | } | ||
| 399 | /* | ||
| 400 | * atl1c_set_mac - Change the Ethernet Address of the NIC | ||
| 401 | * @netdev: network interface device structure | ||
| 402 | * @p: pointer to an address structure | ||
| 403 | * | ||
| 404 | * Returns 0 on success, negative on failure | ||
| 405 | */ | ||
| 406 | static int atl1c_set_mac_addr(struct net_device *netdev, void *p) | ||
| 407 | { | ||
| 408 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 409 | struct sockaddr *addr = p; | ||
| 410 | |||
| 411 | if (!is_valid_ether_addr(addr->sa_data)) | ||
| 412 | return -EADDRNOTAVAIL; | ||
| 413 | |||
| 414 | if (netif_running(netdev)) | ||
| 415 | return -EBUSY; | ||
| 416 | |||
| 417 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | ||
| 418 | memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); | ||
| 419 | |||
| 420 | atl1c_hw_set_mac_addr(&adapter->hw); | ||
| 421 | |||
| 422 | return 0; | ||
| 423 | } | ||
| 424 | |||
| 425 | static void atl1c_set_rxbufsize(struct atl1c_adapter *adapter, | ||
| 426 | struct net_device *dev) | ||
| 427 | { | ||
| 428 | int mtu = dev->mtu; | ||
| 429 | |||
| 430 | adapter->rx_buffer_len = mtu > AT_RX_BUF_SIZE ? | ||
| 431 | roundup(mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN, 8) : AT_RX_BUF_SIZE; | ||
| 432 | } | ||
| 433 | /* | ||
| 434 | * atl1c_change_mtu - Change the Maximum Transfer Unit | ||
| 435 | * @netdev: network interface device structure | ||
| 436 | * @new_mtu: new value for maximum frame size | ||
| 437 | * | ||
| 438 | * Returns 0 on success, negative on failure | ||
| 439 | */ | ||
| 440 | static int atl1c_change_mtu(struct net_device *netdev, int new_mtu) | ||
| 441 | { | ||
| 442 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 443 | int old_mtu = netdev->mtu; | ||
| 444 | int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; | ||
| 445 | |||
| 446 | if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || | ||
| 447 | (max_frame > MAX_JUMBO_FRAME_SIZE)) { | ||
| 448 | if (netif_msg_link(adapter)) | ||
| 449 | dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); | ||
| 450 | return -EINVAL; | ||
| 451 | } | ||
| 452 | /* set MTU */ | ||
| 453 | if (old_mtu != new_mtu && netif_running(netdev)) { | ||
| 454 | while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) | ||
| 455 | msleep(1); | ||
| 456 | netdev->mtu = new_mtu; | ||
| 457 | adapter->hw.max_frame_size = new_mtu; | ||
| 458 | atl1c_set_rxbufsize(adapter, netdev); | ||
| 459 | atl1c_down(adapter); | ||
| 460 | atl1c_up(adapter); | ||
| 461 | clear_bit(__AT_RESETTING, &adapter->flags); | ||
| 462 | if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) { | ||
| 463 | u32 phy_data; | ||
| 464 | |||
| 465 | AT_READ_REG(&adapter->hw, 0x1414, &phy_data); | ||
| 466 | phy_data |= 0x10000000; | ||
| 467 | AT_WRITE_REG(&adapter->hw, 0x1414, phy_data); | ||
| 468 | } | ||
| 469 | |||
| 470 | } | ||
| 471 | return 0; | ||
| 472 | } | ||
| 473 | |||
| 474 | /* | ||
| 475 | * caller should hold mdio_lock | ||
| 476 | */ | ||
| 477 | static int atl1c_mdio_read(struct net_device *netdev, int phy_id, int reg_num) | ||
| 478 | { | ||
| 479 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 480 | u16 result; | ||
| 481 | |||
| 482 | atl1c_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result); | ||
| 483 | return result; | ||
| 484 | } | ||
| 485 | |||
| 486 | static void atl1c_mdio_write(struct net_device *netdev, int phy_id, | ||
| 487 | int reg_num, int val) | ||
| 488 | { | ||
| 489 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 490 | |||
| 491 | atl1c_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val); | ||
| 492 | } | ||
| 493 | |||
| 494 | /* | ||
| 495 | * atl1c_mii_ioctl - | ||
| 496 | * @netdev: | ||
| 497 | * @ifreq: | ||
| 498 | * @cmd: | ||
| 499 | */ | ||
| 500 | static int atl1c_mii_ioctl(struct net_device *netdev, | ||
| 501 | struct ifreq *ifr, int cmd) | ||
| 502 | { | ||
| 503 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 504 | struct pci_dev *pdev = adapter->pdev; | ||
| 505 | struct mii_ioctl_data *data = if_mii(ifr); | ||
| 506 | unsigned long flags; | ||
| 507 | int retval = 0; | ||
| 508 | |||
| 509 | if (!netif_running(netdev)) | ||
| 510 | return -EINVAL; | ||
| 511 | |||
| 512 | spin_lock_irqsave(&adapter->mdio_lock, flags); | ||
| 513 | switch (cmd) { | ||
| 514 | case SIOCGMIIPHY: | ||
| 515 | data->phy_id = 0; | ||
| 516 | break; | ||
| 517 | |||
| 518 | case SIOCGMIIREG: | ||
| 519 | if (!capable(CAP_NET_ADMIN)) { | ||
| 520 | retval = -EPERM; | ||
| 521 | goto out; | ||
| 522 | } | ||
| 523 | if (atl1c_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, | ||
| 524 | &data->val_out)) { | ||
| 525 | retval = -EIO; | ||
| 526 | goto out; | ||
| 527 | } | ||
| 528 | break; | ||
| 529 | |||
| 530 | case SIOCSMIIREG: | ||
| 531 | if (!capable(CAP_NET_ADMIN)) { | ||
| 532 | retval = -EPERM; | ||
| 533 | goto out; | ||
| 534 | } | ||
| 535 | if (data->reg_num & ~(0x1F)) { | ||
| 536 | retval = -EFAULT; | ||
| 537 | goto out; | ||
| 538 | } | ||
| 539 | |||
| 540 | dev_dbg(&pdev->dev, "<atl1c_mii_ioctl> write %x %x", | ||
| 541 | data->reg_num, data->val_in); | ||
| 542 | if (atl1c_write_phy_reg(&adapter->hw, | ||
| 543 | data->reg_num, data->val_in)) { | ||
| 544 | retval = -EIO; | ||
| 545 | goto out; | ||
| 546 | } | ||
| 547 | break; | ||
| 548 | |||
| 549 | default: | ||
| 550 | retval = -EOPNOTSUPP; | ||
| 551 | break; | ||
| 552 | } | ||
| 553 | out: | ||
| 554 | spin_unlock_irqrestore(&adapter->mdio_lock, flags); | ||
| 555 | return retval; | ||
| 556 | } | ||
| 557 | |||
| 558 | /* | ||
| 559 | * atl1c_ioctl - | ||
| 560 | * @netdev: | ||
| 561 | * @ifreq: | ||
| 562 | * @cmd: | ||
| 563 | */ | ||
| 564 | static int atl1c_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) | ||
| 565 | { | ||
| 566 | switch (cmd) { | ||
| 567 | case SIOCGMIIPHY: | ||
| 568 | case SIOCGMIIREG: | ||
| 569 | case SIOCSMIIREG: | ||
| 570 | return atl1c_mii_ioctl(netdev, ifr, cmd); | ||
| 571 | default: | ||
| 572 | return -EOPNOTSUPP; | ||
| 573 | } | ||
| 574 | } | ||
| 575 | |||
| 576 | /* | ||
| 577 | * atl1c_alloc_queues - Allocate memory for all rings | ||
| 578 | * @adapter: board private structure to initialize | ||
| 579 | * | ||
| 580 | */ | ||
| 581 | static int __devinit atl1c_alloc_queues(struct atl1c_adapter *adapter) | ||
| 582 | { | ||
| 583 | return 0; | ||
| 584 | } | ||
| 585 | |||
| 586 | static void atl1c_set_mac_type(struct atl1c_hw *hw) | ||
| 587 | { | ||
| 588 | switch (hw->device_id) { | ||
| 589 | case PCI_DEVICE_ID_ATTANSIC_L2C: | ||
| 590 | hw->nic_type = athr_l2c; | ||
| 591 | break; | ||
| 592 | |||
| 593 | case PCI_DEVICE_ID_ATTANSIC_L1C: | ||
| 594 | hw->nic_type = athr_l1c; | ||
| 595 | break; | ||
| 596 | |||
| 597 | default: | ||
| 598 | break; | ||
| 599 | } | ||
| 600 | } | ||
| 601 | |||
| 602 | static int atl1c_setup_mac_funcs(struct atl1c_hw *hw) | ||
| 603 | { | ||
| 604 | u32 phy_status_data; | ||
| 605 | u32 link_ctrl_data; | ||
| 606 | |||
| 607 | atl1c_set_mac_type(hw); | ||
| 608 | AT_READ_REG(hw, REG_PHY_STATUS, &phy_status_data); | ||
| 609 | AT_READ_REG(hw, REG_LINK_CTRL, &link_ctrl_data); | ||
| 610 | |||
| 611 | hw->ctrl_flags = ATL1C_INTR_CLEAR_ON_READ | | ||
| 612 | ATL1C_INTR_MODRT_ENABLE | | ||
| 613 | ATL1C_RX_IPV6_CHKSUM | | ||
| 614 | ATL1C_TXQ_MODE_ENHANCE; | ||
| 615 | if (link_ctrl_data & LINK_CTRL_L0S_EN) | ||
| 616 | hw->ctrl_flags |= ATL1C_ASPM_L0S_SUPPORT; | ||
| 617 | if (link_ctrl_data & LINK_CTRL_L1_EN) | ||
| 618 | hw->ctrl_flags |= ATL1C_ASPM_L1_SUPPORT; | ||
| 619 | |||
| 620 | if (hw->nic_type == athr_l1c) { | ||
| 621 | hw->ctrl_flags |= ATL1C_ASPM_CTRL_MON; | ||
| 622 | hw->ctrl_flags |= ATL1C_LINK_CAP_1000M; | ||
| 623 | } | ||
| 624 | return 0; | ||
| 625 | } | ||
| 626 | /* | ||
| 627 | * atl1c_sw_init - Initialize general software structures (struct atl1c_adapter) | ||
| 628 | * @adapter: board private structure to initialize | ||
| 629 | * | ||
| 630 | * atl1c_sw_init initializes the Adapter private data structure. | ||
| 631 | * Fields are initialized based on PCI device information and | ||
| 632 | * OS network device settings (MTU size). | ||
| 633 | */ | ||
| 634 | static int __devinit atl1c_sw_init(struct atl1c_adapter *adapter) | ||
| 635 | { | ||
| 636 | struct atl1c_hw *hw = &adapter->hw; | ||
| 637 | struct pci_dev *pdev = adapter->pdev; | ||
| 638 | |||
| 639 | adapter->wol = 0; | ||
| 640 | adapter->link_speed = SPEED_0; | ||
| 641 | adapter->link_duplex = FULL_DUPLEX; | ||
| 642 | adapter->num_rx_queues = AT_DEF_RECEIVE_QUEUE; | ||
| 643 | adapter->tpd_ring[0].count = 1024; | ||
| 644 | adapter->rfd_ring[0].count = 512; | ||
| 645 | |||
| 646 | hw->vendor_id = pdev->vendor; | ||
| 647 | hw->device_id = pdev->device; | ||
| 648 | hw->subsystem_vendor_id = pdev->subsystem_vendor; | ||
| 649 | hw->subsystem_id = pdev->subsystem_device; | ||
| 650 | |||
| 651 | /* before link up, we assume hibernate is true */ | ||
| 652 | hw->hibernate = true; | ||
| 653 | hw->media_type = MEDIA_TYPE_AUTO_SENSOR; | ||
| 654 | if (atl1c_setup_mac_funcs(hw) != 0) { | ||
| 655 | dev_err(&pdev->dev, "set mac function pointers failed\n"); | ||
| 656 | return -1; | ||
| 657 | } | ||
| 658 | hw->intr_mask = IMR_NORMAL_MASK; | ||
| 659 | hw->phy_configured = false; | ||
| 660 | hw->preamble_len = 7; | ||
| 661 | hw->max_frame_size = adapter->netdev->mtu; | ||
| 662 | if (adapter->num_rx_queues < 2) { | ||
| 663 | hw->rss_type = atl1c_rss_disable; | ||
| 664 | hw->rss_mode = atl1c_rss_mode_disable; | ||
| 665 | } else { | ||
| 666 | hw->rss_type = atl1c_rss_ipv4; | ||
| 667 | hw->rss_mode = atl1c_rss_mul_que_mul_int; | ||
| 668 | hw->rss_hash_bits = 16; | ||
| 669 | } | ||
| 670 | hw->autoneg_advertised = ADVERTISED_Autoneg; | ||
| 671 | hw->indirect_tab = 0xE4E4E4E4; | ||
| 672 | hw->base_cpu = 0; | ||
| 673 | |||
| 674 | hw->ict = 50000; /* 100ms */ | ||
| 675 | hw->smb_timer = 200000; /* 400ms */ | ||
| 676 | hw->cmb_tpd = 4; | ||
| 677 | hw->cmb_tx_timer = 1; /* 2 us */ | ||
| 678 | hw->rx_imt = 200; | ||
| 679 | hw->tx_imt = 1000; | ||
| 680 | |||
| 681 | hw->tpd_burst = 5; | ||
| 682 | hw->rfd_burst = 8; | ||
| 683 | hw->dma_order = atl1c_dma_ord_out; | ||
| 684 | hw->dmar_block = atl1c_dma_req_1024; | ||
| 685 | hw->dmaw_block = atl1c_dma_req_1024; | ||
| 686 | hw->dmar_dly_cnt = 15; | ||
| 687 | hw->dmaw_dly_cnt = 4; | ||
| 688 | |||
| 689 | if (atl1c_alloc_queues(adapter)) { | ||
| 690 | dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); | ||
| 691 | return -ENOMEM; | ||
| 692 | } | ||
| 693 | /* TODO */ | ||
| 694 | atl1c_set_rxbufsize(adapter, adapter->netdev); | ||
| 695 | atomic_set(&adapter->irq_sem, 1); | ||
| 696 | spin_lock_init(&adapter->mdio_lock); | ||
| 697 | spin_lock_init(&adapter->tx_lock); | ||
| 698 | set_bit(__AT_DOWN, &adapter->flags); | ||
| 699 | |||
| 700 | return 0; | ||
| 701 | } | ||
| 702 | |||
| 703 | /* | ||
| 704 | * atl1c_clean_tx_ring - Free Tx-skb | ||
| 705 | * @adapter: board private structure | ||
| 706 | */ | ||
| 707 | static void atl1c_clean_tx_ring(struct atl1c_adapter *adapter, | ||
| 708 | enum atl1c_trans_queue type) | ||
| 709 | { | ||
| 710 | struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; | ||
| 711 | struct atl1c_buffer *buffer_info; | ||
| 712 | struct pci_dev *pdev = adapter->pdev; | ||
| 713 | u16 index, ring_count; | ||
| 714 | |||
| 715 | ring_count = tpd_ring->count; | ||
| 716 | for (index = 0; index < ring_count; index++) { | ||
| 717 | buffer_info = &tpd_ring->buffer_info[index]; | ||
| 718 | if (buffer_info->state == ATL1_BUFFER_FREE) | ||
| 719 | continue; | ||
| 720 | if (buffer_info->dma) | ||
| 721 | pci_unmap_single(pdev, buffer_info->dma, | ||
| 722 | buffer_info->length, | ||
| 723 | PCI_DMA_TODEVICE); | ||
| 724 | if (buffer_info->skb) | ||
| 725 | dev_kfree_skb(buffer_info->skb); | ||
| 726 | buffer_info->dma = 0; | ||
| 727 | buffer_info->skb = NULL; | ||
| 728 | buffer_info->state = ATL1_BUFFER_FREE; | ||
| 729 | } | ||
| 730 | |||
| 731 | /* Zero out Tx-buffers */ | ||
| 732 | memset(tpd_ring->desc, 0, sizeof(struct atl1c_tpd_desc) * | ||
| 733 | ring_count); | ||
| 734 | atomic_set(&tpd_ring->next_to_clean, 0); | ||
| 735 | tpd_ring->next_to_use = 0; | ||
| 736 | } | ||
| 737 | |||
| 738 | /* | ||
| 739 | * atl1c_clean_rx_ring - Free rx-reservation skbs | ||
| 740 | * @adapter: board private structure | ||
| 741 | */ | ||
| 742 | static void atl1c_clean_rx_ring(struct atl1c_adapter *adapter) | ||
| 743 | { | ||
| 744 | struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; | ||
| 745 | struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; | ||
| 746 | struct atl1c_buffer *buffer_info; | ||
| 747 | struct pci_dev *pdev = adapter->pdev; | ||
| 748 | int i, j; | ||
| 749 | |||
| 750 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
| 751 | for (j = 0; j < rfd_ring[i].count; j++) { | ||
| 752 | buffer_info = &rfd_ring[i].buffer_info[j]; | ||
| 753 | if (buffer_info->state == ATL1_BUFFER_FREE) | ||
| 754 | continue; | ||
| 755 | if (buffer_info->dma) | ||
| 756 | pci_unmap_single(pdev, buffer_info->dma, | ||
| 757 | buffer_info->length, | ||
| 758 | PCI_DMA_FROMDEVICE); | ||
| 759 | if (buffer_info->skb) | ||
| 760 | dev_kfree_skb(buffer_info->skb); | ||
| 761 | buffer_info->state = ATL1_BUFFER_FREE; | ||
| 762 | buffer_info->skb = NULL; | ||
| 763 | } | ||
| 764 | /* zero out the descriptor ring */ | ||
| 765 | memset(rfd_ring[i].desc, 0, rfd_ring[i].size); | ||
| 766 | rfd_ring[i].next_to_clean = 0; | ||
| 767 | rfd_ring[i].next_to_use = 0; | ||
| 768 | rrd_ring[i].next_to_use = 0; | ||
| 769 | rrd_ring[i].next_to_clean = 0; | ||
| 770 | } | ||
| 771 | } | ||
| 772 | |||
| 773 | /* | ||
| 774 | * Read / Write Ptr Initialize: | ||
| 775 | */ | ||
| 776 | static void atl1c_init_ring_ptrs(struct atl1c_adapter *adapter) | ||
| 777 | { | ||
| 778 | struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; | ||
| 779 | struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; | ||
| 780 | struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; | ||
| 781 | struct atl1c_buffer *buffer_info; | ||
| 782 | int i, j; | ||
| 783 | |||
| 784 | for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { | ||
| 785 | tpd_ring[i].next_to_use = 0; | ||
| 786 | atomic_set(&tpd_ring[i].next_to_clean, 0); | ||
| 787 | buffer_info = tpd_ring[i].buffer_info; | ||
| 788 | for (j = 0; j < tpd_ring->count; j++) | ||
| 789 | buffer_info[i].state = ATL1_BUFFER_FREE; | ||
| 790 | } | ||
| 791 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
| 792 | rfd_ring[i].next_to_use = 0; | ||
| 793 | rfd_ring[i].next_to_clean = 0; | ||
| 794 | rrd_ring[i].next_to_use = 0; | ||
| 795 | rrd_ring[i].next_to_clean = 0; | ||
| 796 | for (j = 0; j < rfd_ring[i].count; j++) { | ||
| 797 | buffer_info = &rfd_ring[i].buffer_info[j]; | ||
| 798 | buffer_info->state = ATL1_BUFFER_FREE; | ||
| 799 | } | ||
| 800 | } | ||
| 801 | } | ||
| 802 | |||
| 803 | /* | ||
| 804 | * atl1c_free_ring_resources - Free Tx / RX descriptor Resources | ||
| 805 | * @adapter: board private structure | ||
| 806 | * | ||
| 807 | * Free all transmit software resources | ||
| 808 | */ | ||
| 809 | static void atl1c_free_ring_resources(struct atl1c_adapter *adapter) | ||
| 810 | { | ||
| 811 | struct pci_dev *pdev = adapter->pdev; | ||
| 812 | |||
| 813 | pci_free_consistent(pdev, adapter->ring_header.size, | ||
| 814 | adapter->ring_header.desc, | ||
| 815 | adapter->ring_header.dma); | ||
| 816 | adapter->ring_header.desc = NULL; | ||
| 817 | |||
| 818 | /* Note: just free tdp_ring.buffer_info, | ||
| 819 | * it contain rfd_ring.buffer_info, do not double free */ | ||
| 820 | if (adapter->tpd_ring[0].buffer_info) { | ||
| 821 | kfree(adapter->tpd_ring[0].buffer_info); | ||
| 822 | adapter->tpd_ring[0].buffer_info = NULL; | ||
| 823 | } | ||
| 824 | } | ||
| 825 | |||
| 826 | /* | ||
| 827 | * atl1c_setup_mem_resources - allocate Tx / RX descriptor resources | ||
| 828 | * @adapter: board private structure | ||
| 829 | * | ||
| 830 | * Return 0 on success, negative on failure | ||
| 831 | */ | ||
| 832 | static int atl1c_setup_ring_resources(struct atl1c_adapter *adapter) | ||
| 833 | { | ||
| 834 | struct pci_dev *pdev = adapter->pdev; | ||
| 835 | struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; | ||
| 836 | struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; | ||
| 837 | struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; | ||
| 838 | struct atl1c_ring_header *ring_header = &adapter->ring_header; | ||
| 839 | int num_rx_queues = adapter->num_rx_queues; | ||
| 840 | int size; | ||
| 841 | int i; | ||
| 842 | int count = 0; | ||
| 843 | int rx_desc_count = 0; | ||
| 844 | u32 offset = 0; | ||
| 845 | |||
| 846 | rrd_ring[0].count = rfd_ring[0].count; | ||
| 847 | for (i = 1; i < AT_MAX_TRANSMIT_QUEUE; i++) | ||
| 848 | tpd_ring[i].count = tpd_ring[0].count; | ||
| 849 | |||
| 850 | for (i = 1; i < adapter->num_rx_queues; i++) | ||
| 851 | rfd_ring[i].count = rrd_ring[i].count = rfd_ring[0].count; | ||
| 852 | |||
| 853 | /* 2 tpd queue, one high priority queue, | ||
| 854 | * another normal priority queue */ | ||
| 855 | size = sizeof(struct atl1c_buffer) * (tpd_ring->count * 2 + | ||
| 856 | rfd_ring->count * num_rx_queues); | ||
| 857 | tpd_ring->buffer_info = kzalloc(size, GFP_KERNEL); | ||
| 858 | if (unlikely(!tpd_ring->buffer_info)) { | ||
| 859 | dev_err(&pdev->dev, "kzalloc failed, size = %d\n", | ||
| 860 | size); | ||
| 861 | goto err_nomem; | ||
| 862 | } | ||
| 863 | for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { | ||
| 864 | tpd_ring[i].buffer_info = | ||
| 865 | (struct atl1c_buffer *) (tpd_ring->buffer_info + count); | ||
| 866 | count += tpd_ring[i].count; | ||
| 867 | } | ||
| 868 | |||
| 869 | for (i = 0; i < num_rx_queues; i++) { | ||
| 870 | rfd_ring[i].buffer_info = | ||
| 871 | (struct atl1c_buffer *) (tpd_ring->buffer_info + count); | ||
| 872 | count += rfd_ring[i].count; | ||
| 873 | rx_desc_count += rfd_ring[i].count; | ||
| 874 | } | ||
| 875 | /* | ||
| 876 | * real ring DMA buffer | ||
| 877 | * each ring/block may need up to 8 bytes for alignment, hence the | ||
| 878 | * additional bytes tacked onto the end. | ||
| 879 | */ | ||
| 880 | ring_header->size = size = | ||
| 881 | sizeof(struct atl1c_tpd_desc) * tpd_ring->count * 2 + | ||
| 882 | sizeof(struct atl1c_rx_free_desc) * rx_desc_count + | ||
| 883 | sizeof(struct atl1c_recv_ret_status) * rx_desc_count + | ||
| 884 | sizeof(struct atl1c_hw_stats) + | ||
| 885 | 8 * 4 + 8 * 2 * num_rx_queues; | ||
| 886 | |||
| 887 | ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, | ||
| 888 | &ring_header->dma); | ||
| 889 | if (unlikely(!ring_header->desc)) { | ||
| 890 | dev_err(&pdev->dev, "pci_alloc_consistend failed\n"); | ||
| 891 | goto err_nomem; | ||
| 892 | } | ||
| 893 | memset(ring_header->desc, 0, ring_header->size); | ||
| 894 | /* init TPD ring */ | ||
| 895 | |||
| 896 | tpd_ring[0].dma = roundup(ring_header->dma, 8); | ||
| 897 | offset = tpd_ring[0].dma - ring_header->dma; | ||
| 898 | for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { | ||
| 899 | tpd_ring[i].dma = ring_header->dma + offset; | ||
| 900 | tpd_ring[i].desc = (u8 *) ring_header->desc + offset; | ||
| 901 | tpd_ring[i].size = | ||
| 902 | sizeof(struct atl1c_tpd_desc) * tpd_ring[i].count; | ||
| 903 | offset += roundup(tpd_ring[i].size, 8); | ||
| 904 | } | ||
| 905 | /* init RFD ring */ | ||
| 906 | for (i = 0; i < num_rx_queues; i++) { | ||
| 907 | rfd_ring[i].dma = ring_header->dma + offset; | ||
| 908 | rfd_ring[i].desc = (u8 *) ring_header->desc + offset; | ||
| 909 | rfd_ring[i].size = sizeof(struct atl1c_rx_free_desc) * | ||
| 910 | rfd_ring[i].count; | ||
| 911 | offset += roundup(rfd_ring[i].size, 8); | ||
| 912 | } | ||
| 913 | |||
| 914 | /* init RRD ring */ | ||
| 915 | for (i = 0; i < num_rx_queues; i++) { | ||
| 916 | rrd_ring[i].dma = ring_header->dma + offset; | ||
| 917 | rrd_ring[i].desc = (u8 *) ring_header->desc + offset; | ||
| 918 | rrd_ring[i].size = sizeof(struct atl1c_recv_ret_status) * | ||
| 919 | rrd_ring[i].count; | ||
| 920 | offset += roundup(rrd_ring[i].size, 8); | ||
| 921 | } | ||
| 922 | |||
| 923 | adapter->smb.dma = ring_header->dma + offset; | ||
| 924 | adapter->smb.smb = (u8 *)ring_header->desc + offset; | ||
| 925 | return 0; | ||
| 926 | |||
| 927 | err_nomem: | ||
| 928 | kfree(tpd_ring->buffer_info); | ||
| 929 | return -ENOMEM; | ||
| 930 | } | ||
| 931 | |||
| 932 | static void atl1c_configure_des_ring(struct atl1c_adapter *adapter) | ||
| 933 | { | ||
| 934 | struct atl1c_hw *hw = &adapter->hw; | ||
| 935 | struct atl1c_rfd_ring *rfd_ring = (struct atl1c_rfd_ring *) | ||
| 936 | adapter->rfd_ring; | ||
| 937 | struct atl1c_rrd_ring *rrd_ring = (struct atl1c_rrd_ring *) | ||
| 938 | adapter->rrd_ring; | ||
| 939 | struct atl1c_tpd_ring *tpd_ring = (struct atl1c_tpd_ring *) | ||
| 940 | adapter->tpd_ring; | ||
| 941 | struct atl1c_cmb *cmb = (struct atl1c_cmb *) &adapter->cmb; | ||
| 942 | struct atl1c_smb *smb = (struct atl1c_smb *) &adapter->smb; | ||
| 943 | int i; | ||
| 944 | |||
| 945 | /* TPD */ | ||
| 946 | AT_WRITE_REG(hw, REG_TX_BASE_ADDR_HI, | ||
| 947 | (u32)((tpd_ring[atl1c_trans_normal].dma & | ||
| 948 | AT_DMA_HI_ADDR_MASK) >> 32)); | ||
| 949 | /* just enable normal priority TX queue */ | ||
| 950 | AT_WRITE_REG(hw, REG_NTPD_HEAD_ADDR_LO, | ||
| 951 | (u32)(tpd_ring[atl1c_trans_normal].dma & | ||
| 952 | AT_DMA_LO_ADDR_MASK)); | ||
| 953 | AT_WRITE_REG(hw, REG_HTPD_HEAD_ADDR_LO, | ||
| 954 | (u32)(tpd_ring[atl1c_trans_high].dma & | ||
| 955 | AT_DMA_LO_ADDR_MASK)); | ||
| 956 | AT_WRITE_REG(hw, REG_TPD_RING_SIZE, | ||
| 957 | (u32)(tpd_ring[0].count & TPD_RING_SIZE_MASK)); | ||
| 958 | |||
| 959 | |||
| 960 | /* RFD */ | ||
| 961 | AT_WRITE_REG(hw, REG_RX_BASE_ADDR_HI, | ||
| 962 | (u32)((rfd_ring[0].dma & AT_DMA_HI_ADDR_MASK) >> 32)); | ||
| 963 | for (i = 0; i < adapter->num_rx_queues; i++) | ||
| 964 | AT_WRITE_REG(hw, atl1c_rfd_addr_lo_regs[i], | ||
| 965 | (u32)(rfd_ring[i].dma & AT_DMA_LO_ADDR_MASK)); | ||
| 966 | |||
| 967 | AT_WRITE_REG(hw, REG_RFD_RING_SIZE, | ||
| 968 | rfd_ring[0].count & RFD_RING_SIZE_MASK); | ||
| 969 | AT_WRITE_REG(hw, REG_RX_BUF_SIZE, | ||
| 970 | adapter->rx_buffer_len & RX_BUF_SIZE_MASK); | ||
| 971 | |||
| 972 | /* RRD */ | ||
| 973 | for (i = 0; i < adapter->num_rx_queues; i++) | ||
| 974 | AT_WRITE_REG(hw, atl1c_rrd_addr_lo_regs[i], | ||
| 975 | (u32)(rrd_ring[i].dma & AT_DMA_LO_ADDR_MASK)); | ||
| 976 | AT_WRITE_REG(hw, REG_RRD_RING_SIZE, | ||
| 977 | (rrd_ring[0].count & RRD_RING_SIZE_MASK)); | ||
| 978 | |||
| 979 | /* CMB */ | ||
| 980 | AT_WRITE_REG(hw, REG_CMB_BASE_ADDR_LO, cmb->dma & AT_DMA_LO_ADDR_MASK); | ||
| 981 | |||
| 982 | /* SMB */ | ||
| 983 | AT_WRITE_REG(hw, REG_SMB_BASE_ADDR_HI, | ||
| 984 | (u32)((smb->dma & AT_DMA_HI_ADDR_MASK) >> 32)); | ||
| 985 | AT_WRITE_REG(hw, REG_SMB_BASE_ADDR_LO, | ||
| 986 | (u32)(smb->dma & AT_DMA_LO_ADDR_MASK)); | ||
| 987 | /* Load all of base address above */ | ||
| 988 | AT_WRITE_REG(hw, REG_LOAD_PTR, 1); | ||
| 989 | } | ||
| 990 | |||
| 991 | static void atl1c_configure_tx(struct atl1c_adapter *adapter) | ||
| 992 | { | ||
| 993 | struct atl1c_hw *hw = &adapter->hw; | ||
| 994 | u32 dev_ctrl_data; | ||
| 995 | u32 max_pay_load; | ||
| 996 | u16 tx_offload_thresh; | ||
| 997 | u32 txq_ctrl_data; | ||
| 998 | u32 extra_size = 0; /* Jumbo frame threshold in QWORD unit */ | ||
| 999 | |||
| 1000 | extra_size = ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN; | ||
| 1001 | tx_offload_thresh = MAX_TX_OFFLOAD_THRESH; | ||
| 1002 | AT_WRITE_REG(hw, REG_TX_TSO_OFFLOAD_THRESH, | ||
| 1003 | (tx_offload_thresh >> 3) & TX_TSO_OFFLOAD_THRESH_MASK); | ||
| 1004 | AT_READ_REG(hw, REG_DEVICE_CTRL, &dev_ctrl_data); | ||
| 1005 | max_pay_load = (dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT) & | ||
| 1006 | DEVICE_CTRL_MAX_PAYLOAD_MASK; | ||
| 1007 | hw->dmaw_block = min(max_pay_load, hw->dmaw_block); | ||
| 1008 | max_pay_load = (dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT) & | ||
| 1009 | DEVICE_CTRL_MAX_RREQ_SZ_MASK; | ||
| 1010 | hw->dmar_block = min(max_pay_load, hw->dmar_block); | ||
| 1011 | |||
| 1012 | txq_ctrl_data = (hw->tpd_burst & TXQ_NUM_TPD_BURST_MASK) << | ||
| 1013 | TXQ_NUM_TPD_BURST_SHIFT; | ||
| 1014 | if (hw->ctrl_flags & ATL1C_TXQ_MODE_ENHANCE) | ||
| 1015 | txq_ctrl_data |= TXQ_CTRL_ENH_MODE; | ||
| 1016 | txq_ctrl_data |= (atl1c_pay_load_size[hw->dmar_block] & | ||
| 1017 | TXQ_TXF_BURST_NUM_MASK) << TXQ_TXF_BURST_NUM_SHIFT; | ||
| 1018 | |||
| 1019 | AT_WRITE_REG(hw, REG_TXQ_CTRL, txq_ctrl_data); | ||
| 1020 | } | ||
| 1021 | |||
| 1022 | static void atl1c_configure_rx(struct atl1c_adapter *adapter) | ||
| 1023 | { | ||
| 1024 | struct atl1c_hw *hw = &adapter->hw; | ||
| 1025 | u32 rxq_ctrl_data; | ||
| 1026 | |||
| 1027 | rxq_ctrl_data = (hw->rfd_burst & RXQ_RFD_BURST_NUM_MASK) << | ||
| 1028 | RXQ_RFD_BURST_NUM_SHIFT; | ||
| 1029 | |||
| 1030 | if (hw->ctrl_flags & ATL1C_RX_IPV6_CHKSUM) | ||
| 1031 | rxq_ctrl_data |= IPV6_CHKSUM_CTRL_EN; | ||
| 1032 | if (hw->rss_type == atl1c_rss_ipv4) | ||
| 1033 | rxq_ctrl_data |= RSS_HASH_IPV4; | ||
| 1034 | if (hw->rss_type == atl1c_rss_ipv4_tcp) | ||
| 1035 | rxq_ctrl_data |= RSS_HASH_IPV4_TCP; | ||
| 1036 | if (hw->rss_type == atl1c_rss_ipv6) | ||
| 1037 | rxq_ctrl_data |= RSS_HASH_IPV6; | ||
| 1038 | if (hw->rss_type == atl1c_rss_ipv6_tcp) | ||
| 1039 | rxq_ctrl_data |= RSS_HASH_IPV6_TCP; | ||
| 1040 | if (hw->rss_type != atl1c_rss_disable) | ||
| 1041 | rxq_ctrl_data |= RRS_HASH_CTRL_EN; | ||
| 1042 | |||
| 1043 | rxq_ctrl_data |= (hw->rss_mode & RSS_MODE_MASK) << | ||
| 1044 | RSS_MODE_SHIFT; | ||
| 1045 | rxq_ctrl_data |= (hw->rss_hash_bits & RSS_HASH_BITS_MASK) << | ||
| 1046 | RSS_HASH_BITS_SHIFT; | ||
| 1047 | if (hw->ctrl_flags & ATL1C_ASPM_CTRL_MON) | ||
| 1048 | rxq_ctrl_data |= (ASPM_THRUPUT_LIMIT_100M & | ||
| 1049 | ASPM_THRUPUT_LIMIT_MASK) << ASPM_THRUPUT_LIMIT_SHIFT; | ||
| 1050 | |||
| 1051 | AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data); | ||
| 1052 | } | ||
| 1053 | |||
| 1054 | static void atl1c_configure_rss(struct atl1c_adapter *adapter) | ||
| 1055 | { | ||
| 1056 | struct atl1c_hw *hw = &adapter->hw; | ||
| 1057 | |||
| 1058 | AT_WRITE_REG(hw, REG_IDT_TABLE, hw->indirect_tab); | ||
| 1059 | AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, hw->base_cpu); | ||
| 1060 | } | ||
| 1061 | |||
| 1062 | static void atl1c_configure_dma(struct atl1c_adapter *adapter) | ||
| 1063 | { | ||
| 1064 | struct atl1c_hw *hw = &adapter->hw; | ||
| 1065 | u32 dma_ctrl_data; | ||
| 1066 | |||
| 1067 | dma_ctrl_data = DMA_CTRL_DMAR_REQ_PRI; | ||
| 1068 | if (hw->ctrl_flags & ATL1C_CMB_ENABLE) | ||
| 1069 | dma_ctrl_data |= DMA_CTRL_CMB_EN; | ||
| 1070 | if (hw->ctrl_flags & ATL1C_SMB_ENABLE) | ||
| 1071 | dma_ctrl_data |= DMA_CTRL_SMB_EN; | ||
| 1072 | else | ||
| 1073 | dma_ctrl_data |= MAC_CTRL_SMB_DIS; | ||
| 1074 | |||
| 1075 | switch (hw->dma_order) { | ||
| 1076 | case atl1c_dma_ord_in: | ||
| 1077 | dma_ctrl_data |= DMA_CTRL_DMAR_IN_ORDER; | ||
| 1078 | break; | ||
| 1079 | case atl1c_dma_ord_enh: | ||
| 1080 | dma_ctrl_data |= DMA_CTRL_DMAR_ENH_ORDER; | ||
| 1081 | break; | ||
| 1082 | case atl1c_dma_ord_out: | ||
| 1083 | dma_ctrl_data |= DMA_CTRL_DMAR_OUT_ORDER; | ||
| 1084 | break; | ||
| 1085 | default: | ||
| 1086 | break; | ||
| 1087 | } | ||
| 1088 | |||
| 1089 | dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) | ||
| 1090 | << DMA_CTRL_DMAR_BURST_LEN_SHIFT; | ||
| 1091 | dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) | ||
| 1092 | << DMA_CTRL_DMAW_BURST_LEN_SHIFT; | ||
| 1093 | dma_ctrl_data |= (((u32)hw->dmar_dly_cnt) & DMA_CTRL_DMAR_DLY_CNT_MASK) | ||
| 1094 | << DMA_CTRL_DMAR_DLY_CNT_SHIFT; | ||
| 1095 | dma_ctrl_data |= (((u32)hw->dmaw_dly_cnt) & DMA_CTRL_DMAW_DLY_CNT_MASK) | ||
| 1096 | << DMA_CTRL_DMAW_DLY_CNT_SHIFT; | ||
| 1097 | |||
| 1098 | AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data); | ||
| 1099 | } | ||
| 1100 | |||
| 1101 | /* | ||
| 1102 | * Stop the mac, transmit and receive units | ||
| 1103 | * hw - Struct containing variables accessed by shared code | ||
| 1104 | * return : 0 or idle status (if error) | ||
| 1105 | */ | ||
| 1106 | static int atl1c_stop_mac(struct atl1c_hw *hw) | ||
| 1107 | { | ||
| 1108 | u32 data; | ||
| 1109 | int timeout; | ||
| 1110 | |||
| 1111 | AT_READ_REG(hw, REG_RXQ_CTRL, &data); | ||
| 1112 | data &= ~(RXQ1_CTRL_EN | RXQ2_CTRL_EN | | ||
| 1113 | RXQ3_CTRL_EN | RXQ_CTRL_EN); | ||
| 1114 | AT_WRITE_REG(hw, REG_RXQ_CTRL, data); | ||
| 1115 | |||
| 1116 | AT_READ_REG(hw, REG_TXQ_CTRL, &data); | ||
| 1117 | data &= ~TXQ_CTRL_EN; | ||
| 1118 | AT_WRITE_REG(hw, REG_TWSI_CTRL, data); | ||
| 1119 | |||
| 1120 | for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) { | ||
| 1121 | AT_READ_REG(hw, REG_IDLE_STATUS, &data); | ||
| 1122 | if ((data & (IDLE_STATUS_RXQ_NO_IDLE | | ||
| 1123 | IDLE_STATUS_TXQ_NO_IDLE)) == 0) | ||
| 1124 | break; | ||
| 1125 | msleep(1); | ||
| 1126 | } | ||
| 1127 | |||
| 1128 | AT_READ_REG(hw, REG_MAC_CTRL, &data); | ||
| 1129 | data &= ~(MAC_CTRL_TX_EN | MAC_CTRL_RX_EN); | ||
| 1130 | AT_WRITE_REG(hw, REG_MAC_CTRL, data); | ||
| 1131 | |||
| 1132 | for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) { | ||
| 1133 | AT_READ_REG(hw, REG_IDLE_STATUS, &data); | ||
| 1134 | if ((data & IDLE_STATUS_MASK) == 0) | ||
| 1135 | return 0; | ||
| 1136 | msleep(1); | ||
| 1137 | } | ||
| 1138 | return data; | ||
| 1139 | } | ||
| 1140 | |||
| 1141 | static void atl1c_enable_rx_ctrl(struct atl1c_hw *hw) | ||
| 1142 | { | ||
| 1143 | u32 data; | ||
| 1144 | |||
| 1145 | AT_READ_REG(hw, REG_RXQ_CTRL, &data); | ||
| 1146 | switch (hw->adapter->num_rx_queues) { | ||
| 1147 | case 4: | ||
| 1148 | data |= (RXQ3_CTRL_EN | RXQ2_CTRL_EN | RXQ1_CTRL_EN); | ||
| 1149 | break; | ||
| 1150 | case 3: | ||
| 1151 | data |= (RXQ2_CTRL_EN | RXQ1_CTRL_EN); | ||
| 1152 | break; | ||
| 1153 | case 2: | ||
| 1154 | data |= RXQ1_CTRL_EN; | ||
| 1155 | break; | ||
| 1156 | default: | ||
| 1157 | break; | ||
| 1158 | } | ||
| 1159 | data |= RXQ_CTRL_EN; | ||
| 1160 | AT_WRITE_REG(hw, REG_RXQ_CTRL, data); | ||
| 1161 | } | ||
| 1162 | |||
| 1163 | static void atl1c_enable_tx_ctrl(struct atl1c_hw *hw) | ||
| 1164 | { | ||
| 1165 | u32 data; | ||
| 1166 | |||
| 1167 | AT_READ_REG(hw, REG_TXQ_CTRL, &data); | ||
| 1168 | data |= TXQ_CTRL_EN; | ||
| 1169 | AT_WRITE_REG(hw, REG_TXQ_CTRL, data); | ||
| 1170 | } | ||
| 1171 | |||
| 1172 | /* | ||
| 1173 | * Reset the transmit and receive units; mask and clear all interrupts. | ||
| 1174 | * hw - Struct containing variables accessed by shared code | ||
| 1175 | * return : 0 or idle status (if error) | ||
| 1176 | */ | ||
| 1177 | static int atl1c_reset_mac(struct atl1c_hw *hw) | ||
| 1178 | { | ||
| 1179 | struct atl1c_adapter *adapter = (struct atl1c_adapter *)hw->adapter; | ||
| 1180 | struct pci_dev *pdev = adapter->pdev; | ||
| 1181 | u32 idle_status_data = 0; | ||
| 1182 | int timeout = 0; | ||
| 1183 | int ret; | ||
| 1184 | |||
| 1185 | AT_WRITE_REG(hw, REG_IMR, 0); | ||
| 1186 | AT_WRITE_REG(hw, REG_ISR, ISR_DIS_INT); | ||
| 1187 | |||
| 1188 | ret = atl1c_stop_mac(hw); | ||
| 1189 | if (ret) | ||
| 1190 | return ret; | ||
| 1191 | /* | ||
| 1192 | * Issue Soft Reset to the MAC. This will reset the chip's | ||
| 1193 | * transmit, receive, DMA. It will not effect | ||
| 1194 | * the current PCI configuration. The global reset bit is self- | ||
| 1195 | * clearing, and should clear within a microsecond. | ||
| 1196 | */ | ||
| 1197 | AT_WRITE_REGW(hw, REG_MASTER_CTRL, MASTER_CTRL_SOFT_RST); | ||
| 1198 | AT_WRITE_FLUSH(hw); | ||
| 1199 | msleep(10); | ||
| 1200 | /* Wait at least 10ms for All module to be Idle */ | ||
| 1201 | for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) { | ||
| 1202 | AT_READ_REG(hw, REG_IDLE_STATUS, &idle_status_data); | ||
| 1203 | if ((idle_status_data & IDLE_STATUS_MASK) == 0) | ||
| 1204 | break; | ||
| 1205 | msleep(1); | ||
| 1206 | } | ||
| 1207 | if (timeout >= AT_HW_MAX_IDLE_DELAY) { | ||
| 1208 | dev_err(&pdev->dev, | ||
| 1209 | "MAC state machine cann't be idle since" | ||
| 1210 | " disabled for 10ms second\n"); | ||
| 1211 | return -1; | ||
| 1212 | } | ||
| 1213 | return 0; | ||
| 1214 | } | ||
| 1215 | |||
| 1216 | static void atl1c_disable_l0s_l1(struct atl1c_hw *hw) | ||
| 1217 | { | ||
| 1218 | u32 pm_ctrl_data; | ||
| 1219 | |||
| 1220 | AT_READ_REG(hw, REG_PM_CTRL, &pm_ctrl_data); | ||
| 1221 | pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK << | ||
| 1222 | PM_CTRL_L1_ENTRY_TIMER_SHIFT); | ||
| 1223 | pm_ctrl_data &= ~PM_CTRL_CLK_SWH_L1; | ||
| 1224 | pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; | ||
| 1225 | pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; | ||
| 1226 | pm_ctrl_data &= ~PM_CTRL_MAC_ASPM_CHK; | ||
| 1227 | pm_ctrl_data &= ~PM_CTRL_SERDES_PD_EX_L1; | ||
| 1228 | |||
| 1229 | pm_ctrl_data |= PM_CTRL_SERDES_BUDS_RX_L1_EN; | ||
| 1230 | pm_ctrl_data |= PM_CTRL_SERDES_PLL_L1_EN; | ||
| 1231 | pm_ctrl_data |= PM_CTRL_SERDES_L1_EN; | ||
| 1232 | AT_WRITE_REG(hw, REG_PM_CTRL, pm_ctrl_data); | ||
| 1233 | } | ||
| 1234 | |||
| 1235 | /* | ||
| 1236 | * Set ASPM state. | ||
| 1237 | * Enable/disable L0s/L1 depend on link state. | ||
| 1238 | */ | ||
| 1239 | static void atl1c_set_aspm(struct atl1c_hw *hw, bool linkup) | ||
| 1240 | { | ||
| 1241 | u32 pm_ctrl_data; | ||
| 1242 | |||
| 1243 | AT_READ_REG(hw, REG_PM_CTRL, &pm_ctrl_data); | ||
| 1244 | |||
| 1245 | pm_ctrl_data &= PM_CTRL_SERDES_PD_EX_L1; | ||
| 1246 | pm_ctrl_data |= ~PM_CTRL_SERDES_BUDS_RX_L1_EN; | ||
| 1247 | pm_ctrl_data |= ~PM_CTRL_SERDES_L1_EN; | ||
| 1248 | pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK << | ||
| 1249 | PM_CTRL_L1_ENTRY_TIMER_SHIFT); | ||
| 1250 | |||
| 1251 | pm_ctrl_data |= PM_CTRL_MAC_ASPM_CHK; | ||
| 1252 | |||
| 1253 | if (linkup) { | ||
| 1254 | pm_ctrl_data |= PM_CTRL_SERDES_PLL_L1_EN; | ||
| 1255 | pm_ctrl_data &= ~PM_CTRL_CLK_SWH_L1; | ||
| 1256 | |||
| 1257 | if (hw->ctrl_flags & ATL1C_ASPM_L1_SUPPORT) { | ||
| 1258 | pm_ctrl_data |= AT_ASPM_L1_TIMER << | ||
| 1259 | PM_CTRL_L1_ENTRY_TIMER_SHIFT; | ||
| 1260 | pm_ctrl_data |= PM_CTRL_ASPM_L1_EN; | ||
| 1261 | } else | ||
| 1262 | pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; | ||
| 1263 | |||
| 1264 | if (hw->ctrl_flags & ATL1C_ASPM_L0S_SUPPORT) | ||
| 1265 | pm_ctrl_data |= PM_CTRL_ASPM_L0S_EN; | ||
| 1266 | else | ||
| 1267 | pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; | ||
| 1268 | |||
| 1269 | } else { | ||
| 1270 | pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; | ||
| 1271 | pm_ctrl_data &= ~PM_CTRL_SERDES_PLL_L1_EN; | ||
| 1272 | |||
| 1273 | pm_ctrl_data |= PM_CTRL_CLK_SWH_L1; | ||
| 1274 | |||
| 1275 | if (hw->ctrl_flags & ATL1C_ASPM_L1_SUPPORT) | ||
| 1276 | pm_ctrl_data |= PM_CTRL_ASPM_L1_EN; | ||
| 1277 | else | ||
| 1278 | pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; | ||
| 1279 | } | ||
| 1280 | |||
| 1281 | AT_WRITE_REG(hw, REG_PM_CTRL, pm_ctrl_data); | ||
| 1282 | } | ||
| 1283 | |||
| 1284 | static void atl1c_setup_mac_ctrl(struct atl1c_adapter *adapter) | ||
| 1285 | { | ||
| 1286 | struct atl1c_hw *hw = &adapter->hw; | ||
| 1287 | struct net_device *netdev = adapter->netdev; | ||
| 1288 | u32 mac_ctrl_data; | ||
| 1289 | |||
| 1290 | mac_ctrl_data = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN; | ||
| 1291 | mac_ctrl_data |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); | ||
| 1292 | |||
| 1293 | if (adapter->link_duplex == FULL_DUPLEX) { | ||
| 1294 | hw->mac_duplex = true; | ||
| 1295 | mac_ctrl_data |= MAC_CTRL_DUPLX; | ||
| 1296 | } | ||
| 1297 | |||
| 1298 | if (adapter->link_speed == SPEED_1000) | ||
| 1299 | hw->mac_speed = atl1c_mac_speed_1000; | ||
| 1300 | else | ||
| 1301 | hw->mac_speed = atl1c_mac_speed_10_100; | ||
| 1302 | |||
| 1303 | mac_ctrl_data |= (hw->mac_speed & MAC_CTRL_SPEED_MASK) << | ||
| 1304 | MAC_CTRL_SPEED_SHIFT; | ||
| 1305 | |||
| 1306 | mac_ctrl_data |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); | ||
| 1307 | mac_ctrl_data |= ((hw->preamble_len & MAC_CTRL_PRMLEN_MASK) << | ||
| 1308 | MAC_CTRL_PRMLEN_SHIFT); | ||
| 1309 | |||
| 1310 | if (adapter->vlgrp) | ||
| 1311 | mac_ctrl_data |= MAC_CTRL_RMV_VLAN; | ||
| 1312 | |||
| 1313 | mac_ctrl_data |= MAC_CTRL_BC_EN; | ||
| 1314 | if (netdev->flags & IFF_PROMISC) | ||
| 1315 | mac_ctrl_data |= MAC_CTRL_PROMIS_EN; | ||
| 1316 | if (netdev->flags & IFF_ALLMULTI) | ||
| 1317 | mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; | ||
| 1318 | |||
| 1319 | mac_ctrl_data |= MAC_CTRL_SINGLE_PAUSE_EN; | ||
| 1320 | AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); | ||
| 1321 | } | ||
| 1322 | |||
| 1323 | /* | ||
| 1324 | * atl1c_configure - Configure Transmit&Receive Unit after Reset | ||
| 1325 | * @adapter: board private structure | ||
| 1326 | * | ||
| 1327 | * Configure the Tx /Rx unit of the MAC after a reset. | ||
| 1328 | */ | ||
| 1329 | static int atl1c_configure(struct atl1c_adapter *adapter) | ||
| 1330 | { | ||
| 1331 | struct atl1c_hw *hw = &adapter->hw; | ||
| 1332 | u32 master_ctrl_data = 0; | ||
| 1333 | u32 intr_modrt_data; | ||
| 1334 | |||
| 1335 | /* clear interrupt status */ | ||
| 1336 | AT_WRITE_REG(hw, REG_ISR, 0xFFFFFFFF); | ||
| 1337 | /* Clear any WOL status */ | ||
| 1338 | AT_WRITE_REG(hw, REG_WOL_CTRL, 0); | ||
| 1339 | /* set Interrupt Clear Timer | ||
| 1340 | * HW will enable self to assert interrupt event to system after | ||
| 1341 | * waiting x-time for software to notify it accept interrupt. | ||
| 1342 | */ | ||
| 1343 | AT_WRITE_REG(hw, REG_INT_RETRIG_TIMER, | ||
| 1344 | hw->ict & INT_RETRIG_TIMER_MASK); | ||
| 1345 | |||
| 1346 | atl1c_configure_des_ring(adapter); | ||
| 1347 | |||
| 1348 | if (hw->ctrl_flags & ATL1C_INTR_MODRT_ENABLE) { | ||
| 1349 | intr_modrt_data = (hw->tx_imt & IRQ_MODRT_TIMER_MASK) << | ||
| 1350 | IRQ_MODRT_TX_TIMER_SHIFT; | ||
| 1351 | intr_modrt_data |= (hw->rx_imt & IRQ_MODRT_TIMER_MASK) << | ||
| 1352 | IRQ_MODRT_RX_TIMER_SHIFT; | ||
| 1353 | AT_WRITE_REG(hw, REG_IRQ_MODRT_TIMER_INIT, intr_modrt_data); | ||
| 1354 | master_ctrl_data |= | ||
| 1355 | MASTER_CTRL_TX_ITIMER_EN | MASTER_CTRL_RX_ITIMER_EN; | ||
| 1356 | } | ||
| 1357 | |||
| 1358 | if (hw->ctrl_flags & ATL1C_INTR_CLEAR_ON_READ) | ||
| 1359 | master_ctrl_data |= MASTER_CTRL_INT_RDCLR; | ||
| 1360 | |||
| 1361 | AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl_data); | ||
| 1362 | |||
| 1363 | if (hw->ctrl_flags & ATL1C_CMB_ENABLE) { | ||
| 1364 | AT_WRITE_REG(hw, REG_CMB_TPD_THRESH, | ||
| 1365 | hw->cmb_tpd & CMB_TPD_THRESH_MASK); | ||
| 1366 | AT_WRITE_REG(hw, REG_CMB_TX_TIMER, | ||
| 1367 | hw->cmb_tx_timer & CMB_TX_TIMER_MASK); | ||
| 1368 | } | ||
| 1369 | |||
| 1370 | if (hw->ctrl_flags & ATL1C_SMB_ENABLE) | ||
| 1371 | AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, | ||
| 1372 | hw->smb_timer & SMB_STAT_TIMER_MASK); | ||
| 1373 | /* set MTU */ | ||
| 1374 | AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN + | ||
| 1375 | VLAN_HLEN + ETH_FCS_LEN); | ||
| 1376 | /* HDS, disable */ | ||
| 1377 | AT_WRITE_REG(hw, REG_HDS_CTRL, 0); | ||
| 1378 | |||
| 1379 | atl1c_configure_tx(adapter); | ||
| 1380 | atl1c_configure_rx(adapter); | ||
| 1381 | atl1c_configure_rss(adapter); | ||
| 1382 | atl1c_configure_dma(adapter); | ||
| 1383 | |||
| 1384 | return 0; | ||
| 1385 | } | ||
| 1386 | |||
| 1387 | static void atl1c_update_hw_stats(struct atl1c_adapter *adapter) | ||
| 1388 | { | ||
| 1389 | u16 hw_reg_addr = 0; | ||
| 1390 | unsigned long *stats_item = NULL; | ||
| 1391 | u32 data; | ||
| 1392 | |||
| 1393 | /* update rx status */ | ||
| 1394 | hw_reg_addr = REG_MAC_RX_STATUS_BIN; | ||
| 1395 | stats_item = &adapter->hw_stats.rx_ok; | ||
| 1396 | while (hw_reg_addr <= REG_MAC_RX_STATUS_END) { | ||
| 1397 | AT_READ_REG(&adapter->hw, hw_reg_addr, &data); | ||
| 1398 | *stats_item += data; | ||
| 1399 | stats_item++; | ||
| 1400 | hw_reg_addr += 4; | ||
| 1401 | } | ||
| 1402 | /* update tx status */ | ||
| 1403 | hw_reg_addr = REG_MAC_TX_STATUS_BIN; | ||
| 1404 | stats_item = &adapter->hw_stats.tx_ok; | ||
| 1405 | while (hw_reg_addr <= REG_MAC_TX_STATUS_END) { | ||
| 1406 | AT_READ_REG(&adapter->hw, hw_reg_addr, &data); | ||
| 1407 | *stats_item += data; | ||
| 1408 | stats_item++; | ||
| 1409 | hw_reg_addr += 4; | ||
| 1410 | } | ||
| 1411 | } | ||
| 1412 | |||
| 1413 | /* | ||
| 1414 | * atl1c_get_stats - Get System Network Statistics | ||
| 1415 | * @netdev: network interface device structure | ||
| 1416 | * | ||
| 1417 | * Returns the address of the device statistics structure. | ||
| 1418 | * The statistics are actually updated from the timer callback. | ||
| 1419 | */ | ||
| 1420 | static struct net_device_stats *atl1c_get_stats(struct net_device *netdev) | ||
| 1421 | { | ||
| 1422 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 1423 | struct atl1c_hw_stats *hw_stats = &adapter->hw_stats; | ||
| 1424 | struct net_device_stats *net_stats = &adapter->net_stats; | ||
| 1425 | |||
| 1426 | atl1c_update_hw_stats(adapter); | ||
| 1427 | net_stats->rx_packets = hw_stats->rx_ok; | ||
| 1428 | net_stats->tx_packets = hw_stats->tx_ok; | ||
| 1429 | net_stats->rx_bytes = hw_stats->rx_byte_cnt; | ||
| 1430 | net_stats->tx_bytes = hw_stats->tx_byte_cnt; | ||
| 1431 | net_stats->multicast = hw_stats->rx_mcast; | ||
| 1432 | net_stats->collisions = hw_stats->tx_1_col + | ||
| 1433 | hw_stats->tx_2_col * 2 + | ||
| 1434 | hw_stats->tx_late_col + hw_stats->tx_abort_col; | ||
| 1435 | net_stats->rx_errors = hw_stats->rx_frag + hw_stats->rx_fcs_err + | ||
| 1436 | hw_stats->rx_len_err + hw_stats->rx_sz_ov + | ||
| 1437 | hw_stats->rx_rrd_ov + hw_stats->rx_align_err; | ||
| 1438 | net_stats->rx_fifo_errors = hw_stats->rx_rxf_ov; | ||
| 1439 | net_stats->rx_length_errors = hw_stats->rx_len_err; | ||
| 1440 | net_stats->rx_crc_errors = hw_stats->rx_fcs_err; | ||
| 1441 | net_stats->rx_frame_errors = hw_stats->rx_align_err; | ||
| 1442 | net_stats->rx_over_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; | ||
| 1443 | |||
| 1444 | net_stats->rx_missed_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; | ||
| 1445 | |||
| 1446 | net_stats->tx_errors = hw_stats->tx_late_col + hw_stats->tx_abort_col + | ||
| 1447 | hw_stats->tx_underrun + hw_stats->tx_trunc; | ||
| 1448 | net_stats->tx_fifo_errors = hw_stats->tx_underrun; | ||
| 1449 | net_stats->tx_aborted_errors = hw_stats->tx_abort_col; | ||
| 1450 | net_stats->tx_window_errors = hw_stats->tx_late_col; | ||
| 1451 | |||
| 1452 | return &adapter->net_stats; | ||
| 1453 | } | ||
| 1454 | |||
| 1455 | static inline void atl1c_clear_phy_int(struct atl1c_adapter *adapter) | ||
| 1456 | { | ||
| 1457 | u16 phy_data; | ||
| 1458 | |||
| 1459 | spin_lock(&adapter->mdio_lock); | ||
| 1460 | atl1c_read_phy_reg(&adapter->hw, MII_ISR, &phy_data); | ||
| 1461 | spin_unlock(&adapter->mdio_lock); | ||
| 1462 | } | ||
| 1463 | |||
| 1464 | static bool atl1c_clean_tx_irq(struct atl1c_adapter *adapter, | ||
| 1465 | enum atl1c_trans_queue type) | ||
| 1466 | { | ||
| 1467 | struct atl1c_tpd_ring *tpd_ring = (struct atl1c_tpd_ring *) | ||
| 1468 | &adapter->tpd_ring[type]; | ||
| 1469 | struct atl1c_buffer *buffer_info; | ||
| 1470 | u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); | ||
| 1471 | u16 hw_next_to_clean; | ||
| 1472 | u16 shift; | ||
| 1473 | u32 data; | ||
| 1474 | |||
| 1475 | if (type == atl1c_trans_high) | ||
| 1476 | shift = MB_HTPD_CONS_IDX_SHIFT; | ||
| 1477 | else | ||
| 1478 | shift = MB_NTPD_CONS_IDX_SHIFT; | ||
| 1479 | |||
| 1480 | AT_READ_REG(&adapter->hw, REG_MB_PRIO_CONS_IDX, &data); | ||
| 1481 | hw_next_to_clean = (data >> shift) & MB_PRIO_PROD_IDX_MASK; | ||
| 1482 | |||
| 1483 | while (next_to_clean != hw_next_to_clean) { | ||
| 1484 | buffer_info = &tpd_ring->buffer_info[next_to_clean]; | ||
| 1485 | if (buffer_info->state == ATL1_BUFFER_BUSY) { | ||
| 1486 | pci_unmap_page(adapter->pdev, buffer_info->dma, | ||
| 1487 | buffer_info->length, PCI_DMA_TODEVICE); | ||
| 1488 | buffer_info->dma = 0; | ||
| 1489 | if (buffer_info->skb) { | ||
| 1490 | dev_kfree_skb_irq(buffer_info->skb); | ||
| 1491 | buffer_info->skb = NULL; | ||
| 1492 | } | ||
| 1493 | buffer_info->state = ATL1_BUFFER_FREE; | ||
| 1494 | } | ||
| 1495 | if (++next_to_clean == tpd_ring->count) | ||
| 1496 | next_to_clean = 0; | ||
| 1497 | atomic_set(&tpd_ring->next_to_clean, next_to_clean); | ||
| 1498 | } | ||
| 1499 | |||
| 1500 | if (netif_queue_stopped(adapter->netdev) && | ||
| 1501 | netif_carrier_ok(adapter->netdev)) { | ||
| 1502 | netif_wake_queue(adapter->netdev); | ||
| 1503 | } | ||
| 1504 | |||
| 1505 | return true; | ||
| 1506 | } | ||
| 1507 | |||
| 1508 | /* | ||
| 1509 | * atl1c_intr - Interrupt Handler | ||
| 1510 | * @irq: interrupt number | ||
| 1511 | * @data: pointer to a network interface device structure | ||
| 1512 | * @pt_regs: CPU registers structure | ||
| 1513 | */ | ||
| 1514 | static irqreturn_t atl1c_intr(int irq, void *data) | ||
| 1515 | { | ||
| 1516 | struct net_device *netdev = data; | ||
| 1517 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 1518 | struct pci_dev *pdev = adapter->pdev; | ||
| 1519 | struct atl1c_hw *hw = &adapter->hw; | ||
| 1520 | int max_ints = AT_MAX_INT_WORK; | ||
| 1521 | int handled = IRQ_NONE; | ||
| 1522 | u32 status; | ||
| 1523 | u32 reg_data; | ||
| 1524 | |||
| 1525 | do { | ||
| 1526 | AT_READ_REG(hw, REG_ISR, ®_data); | ||
| 1527 | status = reg_data & hw->intr_mask; | ||
| 1528 | |||
| 1529 | if (status == 0 || (status & ISR_DIS_INT) != 0) { | ||
| 1530 | if (max_ints != AT_MAX_INT_WORK) | ||
| 1531 | handled = IRQ_HANDLED; | ||
| 1532 | break; | ||
| 1533 | } | ||
| 1534 | /* link event */ | ||
| 1535 | if (status & ISR_GPHY) | ||
| 1536 | atl1c_clear_phy_int(adapter); | ||
| 1537 | /* Ack ISR */ | ||
| 1538 | AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); | ||
| 1539 | if (status & ISR_RX_PKT) { | ||
| 1540 | if (likely(napi_schedule_prep(&adapter->napi))) { | ||
| 1541 | hw->intr_mask &= ~ISR_RX_PKT; | ||
| 1542 | AT_WRITE_REG(hw, REG_IMR, hw->intr_mask); | ||
| 1543 | __napi_schedule(&adapter->napi); | ||
| 1544 | } | ||
| 1545 | } | ||
| 1546 | if (status & ISR_TX_PKT) | ||
| 1547 | atl1c_clean_tx_irq(adapter, atl1c_trans_normal); | ||
| 1548 | |||
| 1549 | handled = IRQ_HANDLED; | ||
| 1550 | /* check if PCIE PHY Link down */ | ||
| 1551 | if (status & ISR_ERROR) { | ||
| 1552 | if (netif_msg_hw(adapter)) | ||
| 1553 | dev_err(&pdev->dev, | ||
| 1554 | "atl1c hardware error (status = 0x%x)\n", | ||
| 1555 | status & ISR_ERROR); | ||
| 1556 | /* reset MAC */ | ||
| 1557 | hw->intr_mask &= ~ISR_ERROR; | ||
| 1558 | AT_WRITE_REG(hw, REG_IMR, hw->intr_mask); | ||
| 1559 | schedule_work(&adapter->reset_task); | ||
| 1560 | break; | ||
| 1561 | } | ||
| 1562 | |||
| 1563 | if (status & ISR_OVER) | ||
| 1564 | if (netif_msg_intr(adapter)) | ||
| 1565 | dev_warn(&pdev->dev, | ||
| 1566 | "TX/RX over flow (status = 0x%x)\n", | ||
| 1567 | status & ISR_OVER); | ||
| 1568 | |||
| 1569 | /* link event */ | ||
| 1570 | if (status & (ISR_GPHY | ISR_MANUAL)) { | ||
| 1571 | adapter->net_stats.tx_carrier_errors++; | ||
| 1572 | atl1c_link_chg_event(adapter); | ||
| 1573 | break; | ||
| 1574 | } | ||
| 1575 | |||
| 1576 | } while (--max_ints > 0); | ||
| 1577 | /* re-enable Interrupt*/ | ||
| 1578 | AT_WRITE_REG(&adapter->hw, REG_ISR, 0); | ||
| 1579 | return handled; | ||
| 1580 | } | ||
| 1581 | |||
| 1582 | static inline void atl1c_rx_checksum(struct atl1c_adapter *adapter, | ||
| 1583 | struct sk_buff *skb, struct atl1c_recv_ret_status *prrs) | ||
| 1584 | { | ||
| 1585 | /* | ||
| 1586 | * The pid field in RRS in not correct sometimes, so we | ||
| 1587 | * cannot figure out if the packet is fragmented or not, | ||
| 1588 | * so we tell the KERNEL CHECKSUM_NONE | ||
| 1589 | */ | ||
| 1590 | skb->ip_summed = CHECKSUM_NONE; | ||
| 1591 | } | ||
| 1592 | |||
| 1593 | static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid) | ||
| 1594 | { | ||
| 1595 | struct atl1c_rfd_ring *rfd_ring = &adapter->rfd_ring[ringid]; | ||
| 1596 | struct pci_dev *pdev = adapter->pdev; | ||
| 1597 | struct atl1c_buffer *buffer_info, *next_info; | ||
| 1598 | struct sk_buff *skb; | ||
| 1599 | void *vir_addr = NULL; | ||
| 1600 | u16 num_alloc = 0; | ||
| 1601 | u16 rfd_next_to_use, next_next; | ||
| 1602 | struct atl1c_rx_free_desc *rfd_desc; | ||
| 1603 | |||
| 1604 | next_next = rfd_next_to_use = rfd_ring->next_to_use; | ||
| 1605 | if (++next_next == rfd_ring->count) | ||
| 1606 | next_next = 0; | ||
| 1607 | buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; | ||
| 1608 | next_info = &rfd_ring->buffer_info[next_next]; | ||
| 1609 | |||
| 1610 | while (next_info->state == ATL1_BUFFER_FREE) { | ||
| 1611 | rfd_desc = ATL1C_RFD_DESC(rfd_ring, rfd_next_to_use); | ||
| 1612 | |||
| 1613 | skb = dev_alloc_skb(adapter->rx_buffer_len); | ||
| 1614 | if (unlikely(!skb)) { | ||
| 1615 | if (netif_msg_rx_err(adapter)) | ||
| 1616 | dev_warn(&pdev->dev, "alloc rx buffer failed\n"); | ||
| 1617 | break; | ||
| 1618 | } | ||
| 1619 | |||
| 1620 | /* | ||
| 1621 | * Make buffer alignment 2 beyond a 16 byte boundary | ||
| 1622 | * this will result in a 16 byte aligned IP header after | ||
| 1623 | * the 14 byte MAC header is removed | ||
| 1624 | */ | ||
| 1625 | vir_addr = skb->data; | ||
| 1626 | buffer_info->state = ATL1_BUFFER_BUSY; | ||
| 1627 | buffer_info->skb = skb; | ||
| 1628 | buffer_info->length = adapter->rx_buffer_len; | ||
| 1629 | buffer_info->dma = pci_map_single(pdev, vir_addr, | ||
| 1630 | buffer_info->length, | ||
| 1631 | PCI_DMA_FROMDEVICE); | ||
| 1632 | rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma); | ||
| 1633 | rfd_next_to_use = next_next; | ||
| 1634 | if (++next_next == rfd_ring->count) | ||
| 1635 | next_next = 0; | ||
| 1636 | buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; | ||
| 1637 | next_info = &rfd_ring->buffer_info[next_next]; | ||
| 1638 | num_alloc++; | ||
| 1639 | } | ||
| 1640 | |||
| 1641 | if (num_alloc) { | ||
| 1642 | /* TODO: update mailbox here */ | ||
| 1643 | wmb(); | ||
| 1644 | rfd_ring->next_to_use = rfd_next_to_use; | ||
| 1645 | AT_WRITE_REG(&adapter->hw, atl1c_rfd_prod_idx_regs[ringid], | ||
| 1646 | rfd_ring->next_to_use & MB_RFDX_PROD_IDX_MASK); | ||
| 1647 | } | ||
| 1648 | |||
| 1649 | return num_alloc; | ||
| 1650 | } | ||
| 1651 | |||
| 1652 | static void atl1c_clean_rrd(struct atl1c_rrd_ring *rrd_ring, | ||
| 1653 | struct atl1c_recv_ret_status *rrs, u16 num) | ||
| 1654 | { | ||
| 1655 | u16 i; | ||
| 1656 | /* the relationship between rrd and rfd is one map one */ | ||
| 1657 | for (i = 0; i < num; i++, rrs = ATL1C_RRD_DESC(rrd_ring, | ||
| 1658 | rrd_ring->next_to_clean)) { | ||
| 1659 | rrs->word3 &= ~RRS_RXD_UPDATED; | ||
| 1660 | if (++rrd_ring->next_to_clean == rrd_ring->count) | ||
| 1661 | rrd_ring->next_to_clean = 0; | ||
| 1662 | } | ||
| 1663 | } | ||
| 1664 | |||
| 1665 | static void atl1c_clean_rfd(struct atl1c_rfd_ring *rfd_ring, | ||
| 1666 | struct atl1c_recv_ret_status *rrs, u16 num) | ||
| 1667 | { | ||
| 1668 | u16 i; | ||
| 1669 | u16 rfd_index; | ||
| 1670 | struct atl1c_buffer *buffer_info = rfd_ring->buffer_info; | ||
| 1671 | |||
| 1672 | rfd_index = (rrs->word0 >> RRS_RX_RFD_INDEX_SHIFT) & | ||
| 1673 | RRS_RX_RFD_INDEX_MASK; | ||
| 1674 | for (i = 0; i < num; i++) { | ||
| 1675 | buffer_info[rfd_index].skb = NULL; | ||
| 1676 | buffer_info[rfd_index].state = ATL1_BUFFER_FREE; | ||
| 1677 | if (++rfd_index == rfd_ring->count) | ||
| 1678 | rfd_index = 0; | ||
| 1679 | } | ||
| 1680 | rfd_ring->next_to_clean = rfd_index; | ||
| 1681 | } | ||
| 1682 | |||
| 1683 | static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que, | ||
| 1684 | int *work_done, int work_to_do) | ||
| 1685 | { | ||
| 1686 | u16 rfd_num, rfd_index; | ||
| 1687 | u16 count = 0; | ||
| 1688 | u16 length; | ||
| 1689 | struct pci_dev *pdev = adapter->pdev; | ||
| 1690 | struct net_device *netdev = adapter->netdev; | ||
| 1691 | struct atl1c_rfd_ring *rfd_ring = &adapter->rfd_ring[que]; | ||
| 1692 | struct atl1c_rrd_ring *rrd_ring = &adapter->rrd_ring[que]; | ||
| 1693 | struct sk_buff *skb; | ||
| 1694 | struct atl1c_recv_ret_status *rrs; | ||
| 1695 | struct atl1c_buffer *buffer_info; | ||
| 1696 | |||
| 1697 | while (1) { | ||
| 1698 | if (*work_done >= work_to_do) | ||
| 1699 | break; | ||
| 1700 | rrs = ATL1C_RRD_DESC(rrd_ring, rrd_ring->next_to_clean); | ||
| 1701 | if (likely(RRS_RXD_IS_VALID(rrs->word3))) { | ||
| 1702 | rfd_num = (rrs->word0 >> RRS_RX_RFD_CNT_SHIFT) & | ||
| 1703 | RRS_RX_RFD_CNT_MASK; | ||
| 1704 | if (unlikely(rfd_num) != 1) | ||
| 1705 | /* TODO support mul rfd*/ | ||
| 1706 | if (netif_msg_rx_err(adapter)) | ||
| 1707 | dev_warn(&pdev->dev, | ||
| 1708 | "Multi rfd not support yet!\n"); | ||
| 1709 | goto rrs_checked; | ||
| 1710 | } else { | ||
| 1711 | break; | ||
| 1712 | } | ||
| 1713 | rrs_checked: | ||
| 1714 | atl1c_clean_rrd(rrd_ring, rrs, rfd_num); | ||
| 1715 | if (rrs->word3 & (RRS_RX_ERR_SUM | RRS_802_3_LEN_ERR)) { | ||
| 1716 | atl1c_clean_rfd(rfd_ring, rrs, rfd_num); | ||
| 1717 | if (netif_msg_rx_err(adapter)) | ||
| 1718 | dev_warn(&pdev->dev, | ||
| 1719 | "wrong packet! rrs word3 is %x\n", | ||
| 1720 | rrs->word3); | ||
| 1721 | continue; | ||
| 1722 | } | ||
| 1723 | |||
| 1724 | length = le16_to_cpu((rrs->word3 >> RRS_PKT_SIZE_SHIFT) & | ||
| 1725 | RRS_PKT_SIZE_MASK); | ||
| 1726 | /* Good Receive */ | ||
| 1727 | if (likely(rfd_num == 1)) { | ||
| 1728 | rfd_index = (rrs->word0 >> RRS_RX_RFD_INDEX_SHIFT) & | ||
| 1729 | RRS_RX_RFD_INDEX_MASK; | ||
| 1730 | buffer_info = &rfd_ring->buffer_info[rfd_index]; | ||
| 1731 | pci_unmap_single(pdev, buffer_info->dma, | ||
| 1732 | buffer_info->length, PCI_DMA_FROMDEVICE); | ||
| 1733 | skb = buffer_info->skb; | ||
| 1734 | } else { | ||
| 1735 | /* TODO */ | ||
| 1736 | if (netif_msg_rx_err(adapter)) | ||
| 1737 | dev_warn(&pdev->dev, | ||
| 1738 | "Multi rfd not support yet!\n"); | ||
| 1739 | break; | ||
| 1740 | } | ||
| 1741 | atl1c_clean_rfd(rfd_ring, rrs, rfd_num); | ||
| 1742 | skb_put(skb, length - ETH_FCS_LEN); | ||
| 1743 | skb->protocol = eth_type_trans(skb, netdev); | ||
| 1744 | skb->dev = netdev; | ||
| 1745 | atl1c_rx_checksum(adapter, skb, rrs); | ||
| 1746 | if (unlikely(adapter->vlgrp) && rrs->word3 & RRS_VLAN_INS) { | ||
| 1747 | u16 vlan; | ||
| 1748 | |||
| 1749 | AT_TAG_TO_VLAN(rrs->vlan_tag, vlan); | ||
| 1750 | vlan = le16_to_cpu(vlan); | ||
| 1751 | vlan_hwaccel_receive_skb(skb, adapter->vlgrp, vlan); | ||
| 1752 | } else | ||
| 1753 | netif_receive_skb(skb); | ||
| 1754 | |||
| 1755 | netdev->last_rx = jiffies; | ||
| 1756 | (*work_done)++; | ||
| 1757 | count++; | ||
| 1758 | } | ||
| 1759 | if (count) | ||
| 1760 | atl1c_alloc_rx_buffer(adapter, que); | ||
| 1761 | } | ||
| 1762 | |||
| 1763 | /* | ||
| 1764 | * atl1c_clean - NAPI Rx polling callback | ||
| 1765 | * @adapter: board private structure | ||
| 1766 | */ | ||
| 1767 | static int atl1c_clean(struct napi_struct *napi, int budget) | ||
| 1768 | { | ||
| 1769 | struct atl1c_adapter *adapter = | ||
| 1770 | container_of(napi, struct atl1c_adapter, napi); | ||
| 1771 | int work_done = 0; | ||
| 1772 | |||
| 1773 | /* Keep link state information with original netdev */ | ||
| 1774 | if (!netif_carrier_ok(adapter->netdev)) | ||
| 1775 | goto quit_polling; | ||
| 1776 | /* just enable one RXQ */ | ||
| 1777 | atl1c_clean_rx_irq(adapter, 0, &work_done, budget); | ||
| 1778 | |||
| 1779 | if (work_done < budget) { | ||
| 1780 | quit_polling: | ||
| 1781 | napi_complete(napi); | ||
| 1782 | adapter->hw.intr_mask |= ISR_RX_PKT; | ||
| 1783 | AT_WRITE_REG(&adapter->hw, REG_IMR, adapter->hw.intr_mask); | ||
| 1784 | } | ||
| 1785 | return work_done; | ||
| 1786 | } | ||
| 1787 | |||
| 1788 | #ifdef CONFIG_NET_POLL_CONTROLLER | ||
| 1789 | |||
| 1790 | /* | ||
| 1791 | * Polling 'interrupt' - used by things like netconsole to send skbs | ||
| 1792 | * without having to re-enable interrupts. It's not called while | ||
| 1793 | * the interrupt routine is executing. | ||
| 1794 | */ | ||
| 1795 | static void atl1c_netpoll(struct net_device *netdev) | ||
| 1796 | { | ||
| 1797 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 1798 | |||
| 1799 | disable_irq(adapter->pdev->irq); | ||
| 1800 | atl1c_intr(adapter->pdev->irq, netdev); | ||
| 1801 | enable_irq(adapter->pdev->irq); | ||
| 1802 | } | ||
| 1803 | #endif | ||
| 1804 | |||
| 1805 | static inline u16 atl1c_tpd_avail(struct atl1c_adapter *adapter, enum atl1c_trans_queue type) | ||
| 1806 | { | ||
| 1807 | struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; | ||
| 1808 | u16 next_to_use = 0; | ||
| 1809 | u16 next_to_clean = 0; | ||
| 1810 | |||
| 1811 | next_to_clean = atomic_read(&tpd_ring->next_to_clean); | ||
| 1812 | next_to_use = tpd_ring->next_to_use; | ||
| 1813 | |||
| 1814 | return (u16)(next_to_clean > next_to_use) ? | ||
| 1815 | (next_to_clean - next_to_use - 1) : | ||
| 1816 | (tpd_ring->count + next_to_clean - next_to_use - 1); | ||
| 1817 | } | ||
| 1818 | |||
| 1819 | /* | ||
| 1820 | * get next usable tpd | ||
| 1821 | * Note: should call atl1c_tdp_avail to make sure | ||
| 1822 | * there is enough tpd to use | ||
| 1823 | */ | ||
| 1824 | static struct atl1c_tpd_desc *atl1c_get_tpd(struct atl1c_adapter *adapter, | ||
| 1825 | enum atl1c_trans_queue type) | ||
| 1826 | { | ||
| 1827 | struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; | ||
| 1828 | struct atl1c_tpd_desc *tpd_desc; | ||
| 1829 | u16 next_to_use = 0; | ||
| 1830 | |||
| 1831 | next_to_use = tpd_ring->next_to_use; | ||
| 1832 | if (++tpd_ring->next_to_use == tpd_ring->count) | ||
| 1833 | tpd_ring->next_to_use = 0; | ||
| 1834 | tpd_desc = ATL1C_TPD_DESC(tpd_ring, next_to_use); | ||
| 1835 | memset(tpd_desc, 0, sizeof(struct atl1c_tpd_desc)); | ||
| 1836 | return tpd_desc; | ||
| 1837 | } | ||
| 1838 | |||
| 1839 | static struct atl1c_buffer * | ||
| 1840 | atl1c_get_tx_buffer(struct atl1c_adapter *adapter, struct atl1c_tpd_desc *tpd) | ||
| 1841 | { | ||
| 1842 | struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; | ||
| 1843 | |||
| 1844 | return &tpd_ring->buffer_info[tpd - | ||
| 1845 | (struct atl1c_tpd_desc *)tpd_ring->desc]; | ||
| 1846 | } | ||
| 1847 | |||
| 1848 | /* Calculate the transmit packet descript needed*/ | ||
| 1849 | static u16 atl1c_cal_tpd_req(const struct sk_buff *skb) | ||
| 1850 | { | ||
| 1851 | u16 tpd_req; | ||
| 1852 | u16 proto_hdr_len = 0; | ||
| 1853 | |||
| 1854 | tpd_req = skb_shinfo(skb)->nr_frags + 1; | ||
| 1855 | |||
| 1856 | if (skb_is_gso(skb)) { | ||
| 1857 | proto_hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); | ||
| 1858 | if (proto_hdr_len < skb_headlen(skb)) | ||
| 1859 | tpd_req++; | ||
| 1860 | if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) | ||
| 1861 | tpd_req++; | ||
| 1862 | } | ||
| 1863 | return tpd_req; | ||
| 1864 | } | ||
| 1865 | |||
| 1866 | static int atl1c_tso_csum(struct atl1c_adapter *adapter, | ||
| 1867 | struct sk_buff *skb, | ||
| 1868 | struct atl1c_tpd_desc **tpd, | ||
| 1869 | enum atl1c_trans_queue type) | ||
| 1870 | { | ||
| 1871 | struct pci_dev *pdev = adapter->pdev; | ||
| 1872 | u8 hdr_len; | ||
| 1873 | u32 real_len; | ||
| 1874 | unsigned short offload_type; | ||
| 1875 | int err; | ||
| 1876 | |||
| 1877 | if (skb_is_gso(skb)) { | ||
| 1878 | if (skb_header_cloned(skb)) { | ||
| 1879 | err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); | ||
| 1880 | if (unlikely(err)) | ||
| 1881 | return -1; | ||
| 1882 | } | ||
| 1883 | offload_type = skb_shinfo(skb)->gso_type; | ||
| 1884 | |||
| 1885 | if (offload_type & SKB_GSO_TCPV4) { | ||
| 1886 | real_len = (((unsigned char *)ip_hdr(skb) - skb->data) | ||
| 1887 | + ntohs(ip_hdr(skb)->tot_len)); | ||
| 1888 | |||
| 1889 | if (real_len < skb->len) | ||
| 1890 | pskb_trim(skb, real_len); | ||
| 1891 | |||
| 1892 | hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); | ||
| 1893 | if (unlikely(skb->len == hdr_len)) { | ||
| 1894 | /* only xsum need */ | ||
| 1895 | if (netif_msg_tx_queued(adapter)) | ||
| 1896 | dev_warn(&pdev->dev, | ||
| 1897 | "IPV4 tso with zero data??\n"); | ||
| 1898 | goto check_sum; | ||
| 1899 | } else { | ||
| 1900 | ip_hdr(skb)->check = 0; | ||
| 1901 | tcp_hdr(skb)->check = ~csum_tcpudp_magic( | ||
| 1902 | ip_hdr(skb)->saddr, | ||
| 1903 | ip_hdr(skb)->daddr, | ||
| 1904 | 0, IPPROTO_TCP, 0); | ||
| 1905 | (*tpd)->word1 |= 1 << TPD_IPV4_PACKET_SHIFT; | ||
| 1906 | } | ||
| 1907 | } | ||
| 1908 | |||
| 1909 | if (offload_type & SKB_GSO_TCPV6) { | ||
| 1910 | struct atl1c_tpd_ext_desc *etpd = | ||
| 1911 | *(struct atl1c_tpd_ext_desc **)(tpd); | ||
| 1912 | |||
| 1913 | memset(etpd, 0, sizeof(struct atl1c_tpd_ext_desc)); | ||
| 1914 | *tpd = atl1c_get_tpd(adapter, type); | ||
| 1915 | ipv6_hdr(skb)->payload_len = 0; | ||
| 1916 | /* check payload == 0 byte ? */ | ||
| 1917 | hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); | ||
| 1918 | if (unlikely(skb->len == hdr_len)) { | ||
| 1919 | /* only xsum need */ | ||
| 1920 | if (netif_msg_tx_queued(adapter)) | ||
| 1921 | dev_warn(&pdev->dev, | ||
| 1922 | "IPV6 tso with zero data??\n"); | ||
| 1923 | goto check_sum; | ||
| 1924 | } else | ||
| 1925 | tcp_hdr(skb)->check = ~csum_ipv6_magic( | ||
| 1926 | &ipv6_hdr(skb)->saddr, | ||
| 1927 | &ipv6_hdr(skb)->daddr, | ||
| 1928 | 0, IPPROTO_TCP, 0); | ||
| 1929 | etpd->word1 |= 1 << TPD_LSO_EN_SHIFT; | ||
| 1930 | etpd->word1 |= 1 << TPD_LSO_VER_SHIFT; | ||
| 1931 | etpd->pkt_len = cpu_to_le32(skb->len); | ||
| 1932 | (*tpd)->word1 |= 1 << TPD_LSO_VER_SHIFT; | ||
| 1933 | } | ||
| 1934 | |||
| 1935 | (*tpd)->word1 |= 1 << TPD_LSO_EN_SHIFT; | ||
| 1936 | (*tpd)->word1 |= (skb_transport_offset(skb) & TPD_TCPHDR_OFFSET_MASK) << | ||
| 1937 | TPD_TCPHDR_OFFSET_SHIFT; | ||
| 1938 | (*tpd)->word1 |= (skb_shinfo(skb)->gso_size & TPD_MSS_MASK) << | ||
| 1939 | TPD_MSS_SHIFT; | ||
| 1940 | return 0; | ||
| 1941 | } | ||
| 1942 | |||
| 1943 | check_sum: | ||
| 1944 | if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { | ||
| 1945 | u8 css, cso; | ||
| 1946 | cso = skb_transport_offset(skb); | ||
| 1947 | |||
| 1948 | if (unlikely(cso & 0x1)) { | ||
| 1949 | if (netif_msg_tx_err(adapter)) | ||
| 1950 | dev_err(&adapter->pdev->dev, | ||
| 1951 | "payload offset should not an event number\n"); | ||
| 1952 | return -1; | ||
| 1953 | } else { | ||
| 1954 | css = cso + skb->csum_offset; | ||
| 1955 | |||
| 1956 | (*tpd)->word1 |= ((cso >> 1) & TPD_PLOADOFFSET_MASK) << | ||
| 1957 | TPD_PLOADOFFSET_SHIFT; | ||
| 1958 | (*tpd)->word1 |= ((css >> 1) & TPD_CCSUM_OFFSET_MASK) << | ||
| 1959 | TPD_CCSUM_OFFSET_SHIFT; | ||
| 1960 | (*tpd)->word1 |= 1 << TPD_CCSUM_EN_SHIFT; | ||
| 1961 | } | ||
| 1962 | } | ||
| 1963 | return 0; | ||
| 1964 | } | ||
| 1965 | |||
| 1966 | static void atl1c_tx_map(struct atl1c_adapter *adapter, | ||
| 1967 | struct sk_buff *skb, struct atl1c_tpd_desc *tpd, | ||
| 1968 | enum atl1c_trans_queue type) | ||
| 1969 | { | ||
| 1970 | struct atl1c_tpd_desc *use_tpd = NULL; | ||
| 1971 | struct atl1c_buffer *buffer_info = NULL; | ||
| 1972 | u16 buf_len = skb_headlen(skb); | ||
| 1973 | u16 map_len = 0; | ||
| 1974 | u16 mapped_len = 0; | ||
| 1975 | u16 hdr_len = 0; | ||
| 1976 | u16 nr_frags; | ||
| 1977 | u16 f; | ||
| 1978 | int tso; | ||
| 1979 | |||
| 1980 | nr_frags = skb_shinfo(skb)->nr_frags; | ||
| 1981 | tso = (tpd->word1 >> TPD_LSO_EN_SHIFT) & TPD_LSO_EN_MASK; | ||
| 1982 | if (tso) { | ||
| 1983 | /* TSO */ | ||
| 1984 | map_len = hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); | ||
| 1985 | use_tpd = tpd; | ||
| 1986 | |||
| 1987 | buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); | ||
| 1988 | buffer_info->length = map_len; | ||
| 1989 | buffer_info->dma = pci_map_single(adapter->pdev, | ||
| 1990 | skb->data, hdr_len, PCI_DMA_TODEVICE); | ||
| 1991 | buffer_info->state = ATL1_BUFFER_BUSY; | ||
| 1992 | mapped_len += map_len; | ||
| 1993 | use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); | ||
| 1994 | use_tpd->buffer_len = cpu_to_le16(buffer_info->length); | ||
| 1995 | } | ||
| 1996 | |||
| 1997 | if (mapped_len < buf_len) { | ||
| 1998 | /* mapped_len == 0, means we should use the first tpd, | ||
| 1999 | which is given by caller */ | ||
| 2000 | if (mapped_len == 0) | ||
| 2001 | use_tpd = tpd; | ||
| 2002 | else { | ||
| 2003 | use_tpd = atl1c_get_tpd(adapter, type); | ||
| 2004 | memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc)); | ||
| 2005 | use_tpd = atl1c_get_tpd(adapter, type); | ||
| 2006 | memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc)); | ||
| 2007 | } | ||
| 2008 | buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); | ||
| 2009 | buffer_info->length = buf_len - mapped_len; | ||
| 2010 | buffer_info->dma = | ||
| 2011 | pci_map_single(adapter->pdev, skb->data + mapped_len, | ||
| 2012 | buffer_info->length, PCI_DMA_TODEVICE); | ||
| 2013 | buffer_info->state = ATL1_BUFFER_BUSY; | ||
| 2014 | |||
| 2015 | use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); | ||
| 2016 | use_tpd->buffer_len = cpu_to_le16(buffer_info->length); | ||
| 2017 | } | ||
| 2018 | |||
| 2019 | for (f = 0; f < nr_frags; f++) { | ||
| 2020 | struct skb_frag_struct *frag; | ||
| 2021 | |||
| 2022 | frag = &skb_shinfo(skb)->frags[f]; | ||
| 2023 | |||
| 2024 | use_tpd = atl1c_get_tpd(adapter, type); | ||
| 2025 | memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc)); | ||
| 2026 | |||
| 2027 | buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); | ||
| 2028 | buffer_info->length = frag->size; | ||
| 2029 | buffer_info->dma = | ||
| 2030 | pci_map_page(adapter->pdev, frag->page, | ||
| 2031 | frag->page_offset, | ||
| 2032 | buffer_info->length, | ||
| 2033 | PCI_DMA_TODEVICE); | ||
| 2034 | buffer_info->state = ATL1_BUFFER_BUSY; | ||
| 2035 | |||
| 2036 | use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); | ||
| 2037 | use_tpd->buffer_len = cpu_to_le16(buffer_info->length); | ||
| 2038 | } | ||
| 2039 | |||
| 2040 | /* The last tpd */ | ||
| 2041 | use_tpd->word1 |= 1 << TPD_EOP_SHIFT; | ||
| 2042 | /* The last buffer info contain the skb address, | ||
| 2043 | so it will be free after unmap */ | ||
| 2044 | buffer_info->skb = skb; | ||
| 2045 | } | ||
| 2046 | |||
| 2047 | static void atl1c_tx_queue(struct atl1c_adapter *adapter, struct sk_buff *skb, | ||
| 2048 | struct atl1c_tpd_desc *tpd, enum atl1c_trans_queue type) | ||
| 2049 | { | ||
| 2050 | struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; | ||
| 2051 | u32 prod_data; | ||
| 2052 | |||
| 2053 | AT_READ_REG(&adapter->hw, REG_MB_PRIO_PROD_IDX, &prod_data); | ||
| 2054 | switch (type) { | ||
| 2055 | case atl1c_trans_high: | ||
| 2056 | prod_data &= 0xFFFF0000; | ||
| 2057 | prod_data |= tpd_ring->next_to_use & 0xFFFF; | ||
| 2058 | break; | ||
| 2059 | case atl1c_trans_normal: | ||
| 2060 | prod_data &= 0x0000FFFF; | ||
| 2061 | prod_data |= (tpd_ring->next_to_use & 0xFFFF) << 16; | ||
| 2062 | break; | ||
| 2063 | default: | ||
| 2064 | break; | ||
| 2065 | } | ||
| 2066 | wmb(); | ||
| 2067 | AT_WRITE_REG(&adapter->hw, REG_MB_PRIO_PROD_IDX, prod_data); | ||
| 2068 | } | ||
| 2069 | |||
| 2070 | static int atl1c_xmit_frame(struct sk_buff *skb, struct net_device *netdev) | ||
| 2071 | { | ||
| 2072 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2073 | unsigned long flags; | ||
| 2074 | u16 tpd_req = 1; | ||
| 2075 | struct atl1c_tpd_desc *tpd; | ||
| 2076 | enum atl1c_trans_queue type = atl1c_trans_normal; | ||
| 2077 | |||
| 2078 | if (test_bit(__AT_DOWN, &adapter->flags)) { | ||
| 2079 | dev_kfree_skb_any(skb); | ||
| 2080 | return NETDEV_TX_OK; | ||
| 2081 | } | ||
| 2082 | |||
| 2083 | tpd_req = atl1c_cal_tpd_req(skb); | ||
| 2084 | if (!spin_trylock_irqsave(&adapter->tx_lock, flags)) { | ||
| 2085 | if (netif_msg_pktdata(adapter)) | ||
| 2086 | dev_info(&adapter->pdev->dev, "tx locked\n"); | ||
| 2087 | return NETDEV_TX_LOCKED; | ||
| 2088 | } | ||
| 2089 | if (skb->mark == 0x01) | ||
| 2090 | type = atl1c_trans_high; | ||
| 2091 | else | ||
| 2092 | type = atl1c_trans_normal; | ||
| 2093 | |||
| 2094 | if (atl1c_tpd_avail(adapter, type) < tpd_req) { | ||
| 2095 | /* no enough descriptor, just stop queue */ | ||
| 2096 | netif_stop_queue(netdev); | ||
| 2097 | spin_unlock_irqrestore(&adapter->tx_lock, flags); | ||
| 2098 | return NETDEV_TX_BUSY; | ||
| 2099 | } | ||
| 2100 | |||
| 2101 | tpd = atl1c_get_tpd(adapter, type); | ||
| 2102 | |||
| 2103 | /* do TSO and check sum */ | ||
| 2104 | if (atl1c_tso_csum(adapter, skb, &tpd, type) != 0) { | ||
| 2105 | spin_unlock_irqrestore(&adapter->tx_lock, flags); | ||
| 2106 | dev_kfree_skb_any(skb); | ||
| 2107 | return NETDEV_TX_OK; | ||
| 2108 | } | ||
| 2109 | |||
| 2110 | if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) { | ||
| 2111 | u16 vlan = vlan_tx_tag_get(skb); | ||
| 2112 | __le16 tag; | ||
| 2113 | |||
| 2114 | vlan = cpu_to_le16(vlan); | ||
| 2115 | AT_VLAN_TO_TAG(vlan, tag); | ||
| 2116 | tpd->word1 |= 1 << TPD_INS_VTAG_SHIFT; | ||
| 2117 | tpd->vlan_tag = tag; | ||
| 2118 | } | ||
| 2119 | |||
| 2120 | if (skb_network_offset(skb) != ETH_HLEN) | ||
| 2121 | tpd->word1 |= 1 << TPD_ETH_TYPE_SHIFT; /* Ethernet frame */ | ||
| 2122 | |||
| 2123 | atl1c_tx_map(adapter, skb, tpd, type); | ||
| 2124 | atl1c_tx_queue(adapter, skb, tpd, type); | ||
| 2125 | |||
| 2126 | netdev->trans_start = jiffies; | ||
| 2127 | spin_unlock_irqrestore(&adapter->tx_lock, flags); | ||
| 2128 | return NETDEV_TX_OK; | ||
| 2129 | } | ||
| 2130 | |||
| 2131 | static void atl1c_free_irq(struct atl1c_adapter *adapter) | ||
| 2132 | { | ||
| 2133 | struct net_device *netdev = adapter->netdev; | ||
| 2134 | |||
| 2135 | free_irq(adapter->pdev->irq, netdev); | ||
| 2136 | |||
| 2137 | if (adapter->have_msi) | ||
| 2138 | pci_disable_msi(adapter->pdev); | ||
| 2139 | } | ||
| 2140 | |||
| 2141 | static int atl1c_request_irq(struct atl1c_adapter *adapter) | ||
| 2142 | { | ||
| 2143 | struct pci_dev *pdev = adapter->pdev; | ||
| 2144 | struct net_device *netdev = adapter->netdev; | ||
| 2145 | int flags = 0; | ||
| 2146 | int err = 0; | ||
| 2147 | |||
| 2148 | adapter->have_msi = true; | ||
| 2149 | err = pci_enable_msi(adapter->pdev); | ||
| 2150 | if (err) { | ||
| 2151 | if (netif_msg_ifup(adapter)) | ||
| 2152 | dev_err(&pdev->dev, | ||
| 2153 | "Unable to allocate MSI interrupt Error: %d\n", | ||
| 2154 | err); | ||
| 2155 | adapter->have_msi = false; | ||
| 2156 | } else | ||
| 2157 | netdev->irq = pdev->irq; | ||
| 2158 | |||
| 2159 | if (!adapter->have_msi) | ||
| 2160 | flags |= IRQF_SHARED; | ||
| 2161 | err = request_irq(adapter->pdev->irq, &atl1c_intr, flags, | ||
| 2162 | netdev->name, netdev); | ||
| 2163 | if (err) { | ||
| 2164 | if (netif_msg_ifup(adapter)) | ||
| 2165 | dev_err(&pdev->dev, | ||
| 2166 | "Unable to allocate interrupt Error: %d\n", | ||
| 2167 | err); | ||
| 2168 | if (adapter->have_msi) | ||
| 2169 | pci_disable_msi(adapter->pdev); | ||
| 2170 | return err; | ||
| 2171 | } | ||
| 2172 | if (netif_msg_ifup(adapter)) | ||
| 2173 | dev_dbg(&pdev->dev, "atl1c_request_irq OK\n"); | ||
| 2174 | return err; | ||
| 2175 | } | ||
| 2176 | |||
| 2177 | int atl1c_up(struct atl1c_adapter *adapter) | ||
| 2178 | { | ||
| 2179 | struct net_device *netdev = adapter->netdev; | ||
| 2180 | int num; | ||
| 2181 | int err; | ||
| 2182 | int i; | ||
| 2183 | |||
| 2184 | netif_carrier_off(netdev); | ||
| 2185 | atl1c_init_ring_ptrs(adapter); | ||
| 2186 | atl1c_set_multi(netdev); | ||
| 2187 | atl1c_restore_vlan(adapter); | ||
| 2188 | |||
| 2189 | for (i = 0; i < adapter->num_rx_queues; i++) { | ||
| 2190 | num = atl1c_alloc_rx_buffer(adapter, i); | ||
| 2191 | if (unlikely(num == 0)) { | ||
| 2192 | err = -ENOMEM; | ||
| 2193 | goto err_alloc_rx; | ||
| 2194 | } | ||
| 2195 | } | ||
| 2196 | |||
| 2197 | if (atl1c_configure(adapter)) { | ||
| 2198 | err = -EIO; | ||
| 2199 | goto err_up; | ||
| 2200 | } | ||
| 2201 | |||
| 2202 | err = atl1c_request_irq(adapter); | ||
| 2203 | if (unlikely(err)) | ||
| 2204 | goto err_up; | ||
| 2205 | |||
| 2206 | clear_bit(__AT_DOWN, &adapter->flags); | ||
| 2207 | napi_enable(&adapter->napi); | ||
| 2208 | atl1c_irq_enable(adapter); | ||
| 2209 | atl1c_check_link_status(adapter); | ||
| 2210 | netif_start_queue(netdev); | ||
| 2211 | return err; | ||
| 2212 | |||
| 2213 | err_up: | ||
| 2214 | err_alloc_rx: | ||
| 2215 | atl1c_clean_rx_ring(adapter); | ||
| 2216 | return err; | ||
| 2217 | } | ||
| 2218 | |||
| 2219 | void atl1c_down(struct atl1c_adapter *adapter) | ||
| 2220 | { | ||
| 2221 | struct net_device *netdev = adapter->netdev; | ||
| 2222 | |||
| 2223 | atl1c_del_timer(adapter); | ||
| 2224 | atl1c_cancel_work(adapter); | ||
| 2225 | |||
| 2226 | /* signal that we're down so the interrupt handler does not | ||
| 2227 | * reschedule our watchdog timer */ | ||
| 2228 | set_bit(__AT_DOWN, &adapter->flags); | ||
| 2229 | netif_carrier_off(netdev); | ||
| 2230 | napi_disable(&adapter->napi); | ||
| 2231 | atl1c_irq_disable(adapter); | ||
| 2232 | atl1c_free_irq(adapter); | ||
| 2233 | AT_WRITE_REG(&adapter->hw, REG_ISR, ISR_DIS_INT); | ||
| 2234 | /* reset MAC to disable all RX/TX */ | ||
| 2235 | atl1c_reset_mac(&adapter->hw); | ||
| 2236 | msleep(1); | ||
| 2237 | |||
| 2238 | adapter->link_speed = SPEED_0; | ||
| 2239 | adapter->link_duplex = -1; | ||
| 2240 | atl1c_clean_tx_ring(adapter, atl1c_trans_normal); | ||
| 2241 | atl1c_clean_tx_ring(adapter, atl1c_trans_high); | ||
| 2242 | atl1c_clean_rx_ring(adapter); | ||
| 2243 | } | ||
| 2244 | |||
| 2245 | /* | ||
| 2246 | * atl1c_open - Called when a network interface is made active | ||
| 2247 | * @netdev: network interface device structure | ||
| 2248 | * | ||
| 2249 | * Returns 0 on success, negative value on failure | ||
| 2250 | * | ||
| 2251 | * The open entry point is called when a network interface is made | ||
| 2252 | * active by the system (IFF_UP). At this point all resources needed | ||
| 2253 | * for transmit and receive operations are allocated, the interrupt | ||
| 2254 | * handler is registered with the OS, the watchdog timer is started, | ||
| 2255 | * and the stack is notified that the interface is ready. | ||
| 2256 | */ | ||
| 2257 | static int atl1c_open(struct net_device *netdev) | ||
| 2258 | { | ||
| 2259 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2260 | int err; | ||
| 2261 | |||
| 2262 | /* disallow open during test */ | ||
| 2263 | if (test_bit(__AT_TESTING, &adapter->flags)) | ||
| 2264 | return -EBUSY; | ||
| 2265 | |||
| 2266 | /* allocate rx/tx dma buffer & descriptors */ | ||
| 2267 | err = atl1c_setup_ring_resources(adapter); | ||
| 2268 | if (unlikely(err)) | ||
| 2269 | return err; | ||
| 2270 | |||
| 2271 | err = atl1c_up(adapter); | ||
| 2272 | if (unlikely(err)) | ||
| 2273 | goto err_up; | ||
| 2274 | |||
| 2275 | if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) { | ||
| 2276 | u32 phy_data; | ||
| 2277 | |||
| 2278 | AT_READ_REG(&adapter->hw, REG_MDIO_CTRL, &phy_data); | ||
| 2279 | phy_data |= MDIO_AP_EN; | ||
| 2280 | AT_WRITE_REG(&adapter->hw, REG_MDIO_CTRL, phy_data); | ||
| 2281 | } | ||
| 2282 | return 0; | ||
| 2283 | |||
| 2284 | err_up: | ||
| 2285 | atl1c_free_irq(adapter); | ||
| 2286 | atl1c_free_ring_resources(adapter); | ||
| 2287 | atl1c_reset_mac(&adapter->hw); | ||
| 2288 | return err; | ||
| 2289 | } | ||
| 2290 | |||
| 2291 | /* | ||
| 2292 | * atl1c_close - Disables a network interface | ||
| 2293 | * @netdev: network interface device structure | ||
| 2294 | * | ||
| 2295 | * Returns 0, this is not allowed to fail | ||
| 2296 | * | ||
| 2297 | * The close entry point is called when an interface is de-activated | ||
| 2298 | * by the OS. The hardware is still under the drivers control, but | ||
| 2299 | * needs to be disabled. A global MAC reset is issued to stop the | ||
| 2300 | * hardware, and all transmit and receive resources are freed. | ||
| 2301 | */ | ||
| 2302 | static int atl1c_close(struct net_device *netdev) | ||
| 2303 | { | ||
| 2304 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2305 | |||
| 2306 | WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); | ||
| 2307 | atl1c_down(adapter); | ||
| 2308 | atl1c_free_ring_resources(adapter); | ||
| 2309 | return 0; | ||
| 2310 | } | ||
| 2311 | |||
| 2312 | static int atl1c_suspend(struct pci_dev *pdev, pm_message_t state) | ||
| 2313 | { | ||
| 2314 | struct net_device *netdev = pci_get_drvdata(pdev); | ||
| 2315 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2316 | struct atl1c_hw *hw = &adapter->hw; | ||
| 2317 | u32 ctrl; | ||
| 2318 | u32 mac_ctrl_data; | ||
| 2319 | u32 master_ctrl_data; | ||
| 2320 | u32 wol_ctrl_data; | ||
| 2321 | u16 mii_bmsr_data; | ||
| 2322 | u16 save_autoneg_advertised; | ||
| 2323 | u16 mii_intr_status_data; | ||
| 2324 | u32 wufc = adapter->wol; | ||
| 2325 | u32 i; | ||
| 2326 | int retval = 0; | ||
| 2327 | |||
| 2328 | if (netif_running(netdev)) { | ||
| 2329 | WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); | ||
| 2330 | atl1c_down(adapter); | ||
| 2331 | } | ||
| 2332 | netif_device_detach(netdev); | ||
| 2333 | atl1c_disable_l0s_l1(hw); | ||
| 2334 | retval = pci_save_state(pdev); | ||
| 2335 | if (retval) | ||
| 2336 | return retval; | ||
| 2337 | if (wufc) { | ||
| 2338 | AT_READ_REG(hw, REG_MASTER_CTRL, &master_ctrl_data); | ||
| 2339 | master_ctrl_data &= ~MASTER_CTRL_CLK_SEL_DIS; | ||
| 2340 | |||
| 2341 | /* get link status */ | ||
| 2342 | atl1c_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data); | ||
| 2343 | atl1c_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data); | ||
| 2344 | save_autoneg_advertised = hw->autoneg_advertised; | ||
| 2345 | hw->autoneg_advertised = ADVERTISED_10baseT_Half; | ||
| 2346 | if (atl1c_restart_autoneg(hw) != 0) | ||
| 2347 | if (netif_msg_link(adapter)) | ||
| 2348 | dev_warn(&pdev->dev, "phy autoneg failed\n"); | ||
| 2349 | hw->phy_configured = false; /* re-init PHY when resume */ | ||
| 2350 | hw->autoneg_advertised = save_autoneg_advertised; | ||
| 2351 | /* turn on magic packet wol */ | ||
| 2352 | if (wufc & AT_WUFC_MAG) | ||
| 2353 | wol_ctrl_data = WOL_MAGIC_EN | WOL_MAGIC_PME_EN; | ||
| 2354 | |||
| 2355 | if (wufc & AT_WUFC_LNKC) { | ||
| 2356 | for (i = 0; i < AT_SUSPEND_LINK_TIMEOUT; i++) { | ||
| 2357 | msleep(100); | ||
| 2358 | atl1c_read_phy_reg(hw, MII_BMSR, | ||
| 2359 | (u16 *)&mii_bmsr_data); | ||
| 2360 | if (mii_bmsr_data & BMSR_LSTATUS) | ||
| 2361 | break; | ||
| 2362 | } | ||
| 2363 | if ((mii_bmsr_data & BMSR_LSTATUS) == 0) | ||
| 2364 | if (netif_msg_link(adapter)) | ||
| 2365 | dev_warn(&pdev->dev, | ||
| 2366 | "%s: Link may change" | ||
| 2367 | "when suspend\n", | ||
| 2368 | atl1c_driver_name); | ||
| 2369 | wol_ctrl_data |= WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN; | ||
| 2370 | /* only link up can wake up */ | ||
| 2371 | if (atl1c_write_phy_reg(hw, MII_IER, IER_LINK_UP) != 0) { | ||
| 2372 | if (netif_msg_link(adapter)) | ||
| 2373 | dev_err(&pdev->dev, | ||
| 2374 | "%s: read write phy " | ||
| 2375 | "register failed.\n", | ||
| 2376 | atl1c_driver_name); | ||
| 2377 | goto wol_dis; | ||
| 2378 | } | ||
| 2379 | } | ||
| 2380 | /* clear phy interrupt */ | ||
| 2381 | atl1c_read_phy_reg(hw, MII_ISR, &mii_intr_status_data); | ||
| 2382 | /* Config MAC Ctrl register */ | ||
| 2383 | mac_ctrl_data = MAC_CTRL_RX_EN; | ||
| 2384 | /* set to 10/100M halt duplex */ | ||
| 2385 | mac_ctrl_data |= atl1c_mac_speed_10_100 << MAC_CTRL_SPEED_SHIFT; | ||
| 2386 | mac_ctrl_data |= (((u32)adapter->hw.preamble_len & | ||
| 2387 | MAC_CTRL_PRMLEN_MASK) << | ||
| 2388 | MAC_CTRL_PRMLEN_SHIFT); | ||
| 2389 | |||
| 2390 | if (adapter->vlgrp) | ||
| 2391 | mac_ctrl_data |= MAC_CTRL_RMV_VLAN; | ||
| 2392 | |||
| 2393 | /* magic packet maybe Broadcast&multicast&Unicast frame */ | ||
| 2394 | if (wufc & AT_WUFC_MAG) | ||
| 2395 | mac_ctrl_data |= MAC_CTRL_BC_EN; | ||
| 2396 | |||
| 2397 | if (netif_msg_hw(adapter)) | ||
| 2398 | dev_dbg(&pdev->dev, | ||
| 2399 | "%s: suspend MAC=0x%x\n", | ||
| 2400 | atl1c_driver_name, mac_ctrl_data); | ||
| 2401 | AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl_data); | ||
| 2402 | AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl_data); | ||
| 2403 | AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); | ||
| 2404 | |||
| 2405 | /* pcie patch */ | ||
| 2406 | AT_READ_REG(hw, REG_PCIE_PHYMISC, &ctrl); | ||
| 2407 | ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; | ||
| 2408 | AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); | ||
| 2409 | |||
| 2410 | pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); | ||
| 2411 | goto suspend_exit; | ||
| 2412 | } | ||
| 2413 | wol_dis: | ||
| 2414 | |||
| 2415 | /* WOL disabled */ | ||
| 2416 | AT_WRITE_REG(hw, REG_WOL_CTRL, 0); | ||
| 2417 | |||
| 2418 | /* pcie patch */ | ||
| 2419 | AT_READ_REG(hw, REG_PCIE_PHYMISC, &ctrl); | ||
| 2420 | ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; | ||
| 2421 | AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); | ||
| 2422 | |||
| 2423 | atl1c_phy_disable(hw); | ||
| 2424 | hw->phy_configured = false; /* re-init PHY when resume */ | ||
| 2425 | |||
| 2426 | pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); | ||
| 2427 | suspend_exit: | ||
| 2428 | |||
| 2429 | pci_disable_device(pdev); | ||
| 2430 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | ||
| 2431 | |||
| 2432 | return 0; | ||
| 2433 | } | ||
| 2434 | |||
| 2435 | static int atl1c_resume(struct pci_dev *pdev) | ||
| 2436 | { | ||
| 2437 | struct net_device *netdev = pci_get_drvdata(pdev); | ||
| 2438 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2439 | |||
| 2440 | pci_set_power_state(pdev, PCI_D0); | ||
| 2441 | pci_restore_state(pdev); | ||
| 2442 | pci_enable_wake(pdev, PCI_D3hot, 0); | ||
| 2443 | pci_enable_wake(pdev, PCI_D3cold, 0); | ||
| 2444 | |||
| 2445 | AT_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); | ||
| 2446 | |||
| 2447 | atl1c_phy_reset(&adapter->hw); | ||
| 2448 | atl1c_reset_mac(&adapter->hw); | ||
| 2449 | netif_device_attach(netdev); | ||
| 2450 | if (netif_running(netdev)) | ||
| 2451 | atl1c_up(adapter); | ||
| 2452 | |||
| 2453 | return 0; | ||
| 2454 | } | ||
| 2455 | |||
| 2456 | static void atl1c_shutdown(struct pci_dev *pdev) | ||
| 2457 | { | ||
| 2458 | atl1c_suspend(pdev, PMSG_SUSPEND); | ||
| 2459 | } | ||
| 2460 | |||
| 2461 | static const struct net_device_ops atl1c_netdev_ops = { | ||
| 2462 | .ndo_open = atl1c_open, | ||
| 2463 | .ndo_stop = atl1c_close, | ||
| 2464 | .ndo_validate_addr = eth_validate_addr, | ||
| 2465 | .ndo_start_xmit = atl1c_xmit_frame, | ||
| 2466 | .ndo_set_mac_address = atl1c_set_mac_addr, | ||
| 2467 | .ndo_set_multicast_list = atl1c_set_multi, | ||
| 2468 | .ndo_change_mtu = atl1c_change_mtu, | ||
| 2469 | .ndo_do_ioctl = atl1c_ioctl, | ||
| 2470 | .ndo_tx_timeout = atl1c_tx_timeout, | ||
| 2471 | .ndo_get_stats = atl1c_get_stats, | ||
| 2472 | .ndo_vlan_rx_register = atl1c_vlan_rx_register, | ||
| 2473 | #ifdef CONFIG_NET_POLL_CONTROLLER | ||
| 2474 | .ndo_poll_controller = atl1c_netpoll, | ||
| 2475 | #endif | ||
| 2476 | }; | ||
| 2477 | |||
| 2478 | static int atl1c_init_netdev(struct net_device *netdev, struct pci_dev *pdev) | ||
| 2479 | { | ||
| 2480 | SET_NETDEV_DEV(netdev, &pdev->dev); | ||
| 2481 | pci_set_drvdata(pdev, netdev); | ||
| 2482 | |||
| 2483 | netdev->irq = pdev->irq; | ||
| 2484 | netdev->netdev_ops = &atl1c_netdev_ops; | ||
| 2485 | netdev->watchdog_timeo = AT_TX_WATCHDOG; | ||
| 2486 | atl1c_set_ethtool_ops(netdev); | ||
| 2487 | |||
| 2488 | /* TODO: add when ready */ | ||
| 2489 | netdev->features = NETIF_F_SG | | ||
| 2490 | NETIF_F_HW_CSUM | | ||
| 2491 | NETIF_F_HW_VLAN_TX | | ||
| 2492 | NETIF_F_HW_VLAN_RX | | ||
| 2493 | NETIF_F_TSO | | ||
| 2494 | NETIF_F_TSO6; | ||
| 2495 | return 0; | ||
| 2496 | } | ||
| 2497 | |||
| 2498 | /* | ||
| 2499 | * atl1c_probe - Device Initialization Routine | ||
| 2500 | * @pdev: PCI device information struct | ||
| 2501 | * @ent: entry in atl1c_pci_tbl | ||
| 2502 | * | ||
| 2503 | * Returns 0 on success, negative on failure | ||
| 2504 | * | ||
| 2505 | * atl1c_probe initializes an adapter identified by a pci_dev structure. | ||
| 2506 | * The OS initialization, configuring of the adapter private structure, | ||
| 2507 | * and a hardware reset occur. | ||
| 2508 | */ | ||
| 2509 | static int __devinit atl1c_probe(struct pci_dev *pdev, | ||
| 2510 | const struct pci_device_id *ent) | ||
| 2511 | { | ||
| 2512 | struct net_device *netdev; | ||
| 2513 | struct atl1c_adapter *adapter; | ||
| 2514 | static int cards_found; | ||
| 2515 | |||
| 2516 | int err = 0; | ||
| 2517 | |||
| 2518 | /* enable device (incl. PCI PM wakeup and hotplug setup) */ | ||
| 2519 | err = pci_enable_device_mem(pdev); | ||
| 2520 | if (err) { | ||
| 2521 | dev_err(&pdev->dev, "cannot enable PCI device\n"); | ||
| 2522 | return err; | ||
| 2523 | } | ||
| 2524 | |||
| 2525 | /* | ||
| 2526 | * The atl1c chip can DMA to 64-bit addresses, but it uses a single | ||
| 2527 | * shared register for the high 32 bits, so only a single, aligned, | ||
| 2528 | * 4 GB physical address range can be used at a time. | ||
| 2529 | * | ||
| 2530 | * Supporting 64-bit DMA on this hardware is more trouble than it's | ||
| 2531 | * worth. It is far easier to limit to 32-bit DMA than update | ||
| 2532 | * various kernel subsystems to support the mechanics required by a | ||
| 2533 | * fixed-high-32-bit system. | ||
| 2534 | */ | ||
| 2535 | if ((pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) || | ||
| 2536 | (pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) != 0)) { | ||
| 2537 | dev_err(&pdev->dev, "No usable DMA configuration,aborting\n"); | ||
| 2538 | goto err_dma; | ||
| 2539 | } | ||
| 2540 | |||
| 2541 | err = pci_request_regions(pdev, atl1c_driver_name); | ||
| 2542 | if (err) { | ||
| 2543 | dev_err(&pdev->dev, "cannot obtain PCI resources\n"); | ||
| 2544 | goto err_pci_reg; | ||
| 2545 | } | ||
| 2546 | |||
| 2547 | pci_set_master(pdev); | ||
| 2548 | |||
| 2549 | netdev = alloc_etherdev(sizeof(struct atl1c_adapter)); | ||
| 2550 | if (netdev == NULL) { | ||
| 2551 | err = -ENOMEM; | ||
| 2552 | dev_err(&pdev->dev, "etherdev alloc failed\n"); | ||
| 2553 | goto err_alloc_etherdev; | ||
| 2554 | } | ||
| 2555 | |||
| 2556 | err = atl1c_init_netdev(netdev, pdev); | ||
| 2557 | if (err) { | ||
| 2558 | dev_err(&pdev->dev, "init netdevice failed\n"); | ||
| 2559 | goto err_init_netdev; | ||
| 2560 | } | ||
| 2561 | adapter = netdev_priv(netdev); | ||
| 2562 | adapter->bd_number = cards_found; | ||
| 2563 | adapter->netdev = netdev; | ||
| 2564 | adapter->pdev = pdev; | ||
| 2565 | adapter->hw.adapter = adapter; | ||
| 2566 | adapter->msg_enable = netif_msg_init(-1, atl1c_default_msg); | ||
| 2567 | adapter->hw.hw_addr = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); | ||
| 2568 | if (!adapter->hw.hw_addr) { | ||
| 2569 | err = -EIO; | ||
| 2570 | dev_err(&pdev->dev, "cannot map device registers\n"); | ||
| 2571 | goto err_ioremap; | ||
| 2572 | } | ||
| 2573 | netdev->base_addr = (unsigned long)adapter->hw.hw_addr; | ||
| 2574 | |||
| 2575 | /* init mii data */ | ||
| 2576 | adapter->mii.dev = netdev; | ||
| 2577 | adapter->mii.mdio_read = atl1c_mdio_read; | ||
| 2578 | adapter->mii.mdio_write = atl1c_mdio_write; | ||
| 2579 | adapter->mii.phy_id_mask = 0x1f; | ||
| 2580 | adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK; | ||
| 2581 | netif_napi_add(netdev, &adapter->napi, atl1c_clean, 64); | ||
| 2582 | setup_timer(&adapter->phy_config_timer, atl1c_phy_config, | ||
| 2583 | (unsigned long)adapter); | ||
| 2584 | /* setup the private structure */ | ||
| 2585 | err = atl1c_sw_init(adapter); | ||
| 2586 | if (err) { | ||
| 2587 | dev_err(&pdev->dev, "net device private data init failed\n"); | ||
| 2588 | goto err_sw_init; | ||
| 2589 | } | ||
| 2590 | atl1c_reset_pcie(&adapter->hw, ATL1C_PCIE_L0S_L1_DISABLE | | ||
| 2591 | ATL1C_PCIE_PHY_RESET); | ||
| 2592 | |||
| 2593 | /* Init GPHY as early as possible due to power saving issue */ | ||
| 2594 | atl1c_phy_reset(&adapter->hw); | ||
| 2595 | |||
| 2596 | err = atl1c_reset_mac(&adapter->hw); | ||
| 2597 | if (err) { | ||
| 2598 | err = -EIO; | ||
| 2599 | goto err_reset; | ||
| 2600 | } | ||
| 2601 | |||
| 2602 | device_init_wakeup(&pdev->dev, 1); | ||
| 2603 | /* reset the controller to | ||
| 2604 | * put the device in a known good starting state */ | ||
| 2605 | err = atl1c_phy_init(&adapter->hw); | ||
| 2606 | if (err) { | ||
| 2607 | err = -EIO; | ||
| 2608 | goto err_reset; | ||
| 2609 | } | ||
| 2610 | if (atl1c_read_mac_addr(&adapter->hw) != 0) { | ||
| 2611 | err = -EIO; | ||
| 2612 | dev_err(&pdev->dev, "get mac address failed\n"); | ||
| 2613 | goto err_eeprom; | ||
| 2614 | } | ||
| 2615 | memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); | ||
| 2616 | memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); | ||
| 2617 | if (netif_msg_probe(adapter)) | ||
| 2618 | dev_dbg(&pdev->dev, | ||
| 2619 | "mac address : %02x-%02x-%02x-%02x-%02x-%02x\n", | ||
| 2620 | adapter->hw.mac_addr[0], adapter->hw.mac_addr[1], | ||
| 2621 | adapter->hw.mac_addr[2], adapter->hw.mac_addr[3], | ||
| 2622 | adapter->hw.mac_addr[4], adapter->hw.mac_addr[5]); | ||
| 2623 | |||
| 2624 | atl1c_hw_set_mac_addr(&adapter->hw); | ||
| 2625 | INIT_WORK(&adapter->reset_task, atl1c_reset_task); | ||
| 2626 | INIT_WORK(&adapter->link_chg_task, atl1c_link_chg_task); | ||
| 2627 | err = register_netdev(netdev); | ||
| 2628 | if (err) { | ||
| 2629 | dev_err(&pdev->dev, "register netdevice failed\n"); | ||
| 2630 | goto err_register; | ||
| 2631 | } | ||
| 2632 | |||
| 2633 | if (netif_msg_probe(adapter)) | ||
| 2634 | dev_info(&pdev->dev, "version %s\n", ATL1C_DRV_VERSION); | ||
| 2635 | cards_found++; | ||
| 2636 | return 0; | ||
| 2637 | |||
| 2638 | err_reset: | ||
| 2639 | err_register: | ||
| 2640 | err_sw_init: | ||
| 2641 | err_eeprom: | ||
| 2642 | iounmap(adapter->hw.hw_addr); | ||
| 2643 | err_init_netdev: | ||
| 2644 | err_ioremap: | ||
| 2645 | free_netdev(netdev); | ||
| 2646 | err_alloc_etherdev: | ||
| 2647 | pci_release_regions(pdev); | ||
| 2648 | err_pci_reg: | ||
| 2649 | err_dma: | ||
| 2650 | pci_disable_device(pdev); | ||
| 2651 | return err; | ||
| 2652 | } | ||
| 2653 | |||
| 2654 | /* | ||
| 2655 | * atl1c_remove - Device Removal Routine | ||
| 2656 | * @pdev: PCI device information struct | ||
| 2657 | * | ||
| 2658 | * atl1c_remove is called by the PCI subsystem to alert the driver | ||
| 2659 | * that it should release a PCI device. The could be caused by a | ||
| 2660 | * Hot-Plug event, or because the driver is going to be removed from | ||
| 2661 | * memory. | ||
| 2662 | */ | ||
| 2663 | static void __devexit atl1c_remove(struct pci_dev *pdev) | ||
| 2664 | { | ||
| 2665 | struct net_device *netdev = pci_get_drvdata(pdev); | ||
| 2666 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2667 | |||
| 2668 | unregister_netdev(netdev); | ||
| 2669 | atl1c_phy_disable(&adapter->hw); | ||
| 2670 | |||
| 2671 | iounmap(adapter->hw.hw_addr); | ||
| 2672 | |||
| 2673 | pci_release_regions(pdev); | ||
| 2674 | pci_disable_device(pdev); | ||
| 2675 | free_netdev(netdev); | ||
| 2676 | } | ||
| 2677 | |||
| 2678 | /* | ||
| 2679 | * atl1c_io_error_detected - called when PCI error is detected | ||
| 2680 | * @pdev: Pointer to PCI device | ||
| 2681 | * @state: The current pci connection state | ||
| 2682 | * | ||
| 2683 | * This function is called after a PCI bus error affecting | ||
| 2684 | * this device has been detected. | ||
| 2685 | */ | ||
| 2686 | static pci_ers_result_t atl1c_io_error_detected(struct pci_dev *pdev, | ||
| 2687 | pci_channel_state_t state) | ||
| 2688 | { | ||
| 2689 | struct net_device *netdev = pci_get_drvdata(pdev); | ||
| 2690 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2691 | |||
| 2692 | netif_device_detach(netdev); | ||
| 2693 | |||
| 2694 | if (netif_running(netdev)) | ||
| 2695 | atl1c_down(adapter); | ||
| 2696 | |||
| 2697 | pci_disable_device(pdev); | ||
| 2698 | |||
| 2699 | /* Request a slot slot reset. */ | ||
| 2700 | return PCI_ERS_RESULT_NEED_RESET; | ||
| 2701 | } | ||
| 2702 | |||
| 2703 | /* | ||
| 2704 | * atl1c_io_slot_reset - called after the pci bus has been reset. | ||
| 2705 | * @pdev: Pointer to PCI device | ||
| 2706 | * | ||
| 2707 | * Restart the card from scratch, as if from a cold-boot. Implementation | ||
| 2708 | * resembles the first-half of the e1000_resume routine. | ||
| 2709 | */ | ||
| 2710 | static pci_ers_result_t atl1c_io_slot_reset(struct pci_dev *pdev) | ||
| 2711 | { | ||
| 2712 | struct net_device *netdev = pci_get_drvdata(pdev); | ||
| 2713 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2714 | |||
| 2715 | if (pci_enable_device(pdev)) { | ||
| 2716 | if (netif_msg_hw(adapter)) | ||
| 2717 | dev_err(&pdev->dev, | ||
| 2718 | "Cannot re-enable PCI device after reset\n"); | ||
| 2719 | return PCI_ERS_RESULT_DISCONNECT; | ||
| 2720 | } | ||
| 2721 | pci_set_master(pdev); | ||
| 2722 | |||
| 2723 | pci_enable_wake(pdev, PCI_D3hot, 0); | ||
| 2724 | pci_enable_wake(pdev, PCI_D3cold, 0); | ||
| 2725 | |||
| 2726 | atl1c_reset_mac(&adapter->hw); | ||
| 2727 | |||
| 2728 | return PCI_ERS_RESULT_RECOVERED; | ||
| 2729 | } | ||
| 2730 | |||
| 2731 | /* | ||
| 2732 | * atl1c_io_resume - called when traffic can start flowing again. | ||
| 2733 | * @pdev: Pointer to PCI device | ||
| 2734 | * | ||
| 2735 | * This callback is called when the error recovery driver tells us that | ||
| 2736 | * its OK to resume normal operation. Implementation resembles the | ||
| 2737 | * second-half of the atl1c_resume routine. | ||
| 2738 | */ | ||
| 2739 | static void atl1c_io_resume(struct pci_dev *pdev) | ||
| 2740 | { | ||
| 2741 | struct net_device *netdev = pci_get_drvdata(pdev); | ||
| 2742 | struct atl1c_adapter *adapter = netdev_priv(netdev); | ||
| 2743 | |||
| 2744 | if (netif_running(netdev)) { | ||
| 2745 | if (atl1c_up(adapter)) { | ||
| 2746 | if (netif_msg_hw(adapter)) | ||
| 2747 | dev_err(&pdev->dev, | ||
| 2748 | "Cannot bring device back up after reset\n"); | ||
| 2749 | return; | ||
| 2750 | } | ||
| 2751 | } | ||
| 2752 | |||
| 2753 | netif_device_attach(netdev); | ||
| 2754 | } | ||
| 2755 | |||
| 2756 | static struct pci_error_handlers atl1c_err_handler = { | ||
| 2757 | .error_detected = atl1c_io_error_detected, | ||
| 2758 | .slot_reset = atl1c_io_slot_reset, | ||
| 2759 | .resume = atl1c_io_resume, | ||
| 2760 | }; | ||
| 2761 | |||
| 2762 | static struct pci_driver atl1c_driver = { | ||
| 2763 | .name = atl1c_driver_name, | ||
| 2764 | .id_table = atl1c_pci_tbl, | ||
| 2765 | .probe = atl1c_probe, | ||
| 2766 | .remove = __devexit_p(atl1c_remove), | ||
| 2767 | /* Power Managment Hooks */ | ||
| 2768 | .suspend = atl1c_suspend, | ||
| 2769 | .resume = atl1c_resume, | ||
| 2770 | .shutdown = atl1c_shutdown, | ||
| 2771 | .err_handler = &atl1c_err_handler | ||
| 2772 | }; | ||
| 2773 | |||
| 2774 | /* | ||
| 2775 | * atl1c_init_module - Driver Registration Routine | ||
| 2776 | * | ||
| 2777 | * atl1c_init_module is the first routine called when the driver is | ||
| 2778 | * loaded. All it does is register with the PCI subsystem. | ||
| 2779 | */ | ||
| 2780 | static int __init atl1c_init_module(void) | ||
| 2781 | { | ||
| 2782 | return pci_register_driver(&atl1c_driver); | ||
| 2783 | } | ||
| 2784 | |||
| 2785 | /* | ||
| 2786 | * atl1c_exit_module - Driver Exit Cleanup Routine | ||
| 2787 | * | ||
| 2788 | * atl1c_exit_module is called just before the driver is removed | ||
| 2789 | * from memory. | ||
| 2790 | */ | ||
| 2791 | static void __exit atl1c_exit_module(void) | ||
| 2792 | { | ||
| 2793 | pci_unregister_driver(&atl1c_driver); | ||
| 2794 | } | ||
| 2795 | |||
| 2796 | module_init(atl1c_init_module); | ||
| 2797 | module_exit(atl1c_exit_module); | ||
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 0089746b8d02..bab8a934c33d 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c | |||
| @@ -90,6 +90,7 @@ static const struct pci_device_id cxgb3_pci_tbl[] = { | |||
| 90 | CH_DEVICE(0x30, 2), /* T3B10 */ | 90 | CH_DEVICE(0x30, 2), /* T3B10 */ |
| 91 | CH_DEVICE(0x31, 3), /* T3B20 */ | 91 | CH_DEVICE(0x31, 3), /* T3B20 */ |
| 92 | CH_DEVICE(0x32, 1), /* T3B02 */ | 92 | CH_DEVICE(0x32, 1), /* T3B02 */ |
| 93 | CH_DEVICE(0x35, 6), /* T3C20-derived T3C10 */ | ||
| 93 | {0,} | 94 | {0,} |
| 94 | }; | 95 | }; |
| 95 | 96 | ||
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 2d1433077a8e..ac2a974dfe37 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c | |||
| @@ -512,6 +512,13 @@ static const struct adapter_info t3_adap_info[] = { | |||
| 512 | F_GPIO5_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL, | 512 | F_GPIO5_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL, |
| 513 | { S_GPIO9, S_GPIO3 }, SUPPORTED_10000baseT_Full | SUPPORTED_AUI, | 513 | { S_GPIO9, S_GPIO3 }, SUPPORTED_10000baseT_Full | SUPPORTED_AUI, |
| 514 | &mi1_mdio_ext_ops, "Chelsio T320"}, | 514 | &mi1_mdio_ext_ops, "Chelsio T320"}, |
| 515 | {}, | ||
| 516 | {}, | ||
| 517 | {1, 0, | ||
| 518 | F_GPIO1_OEN | F_GPIO2_OEN | F_GPIO4_OEN | F_GPIO6_OEN | F_GPIO7_OEN | | ||
| 519 | F_GPIO10_OEN | F_GPIO1_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL, | ||
| 520 | { S_GPIO9 }, SUPPORTED_10000baseT_Full | SUPPORTED_AUI, | ||
| 521 | &mi1_mdio_ext_ops, "Chelsio T310" }, | ||
| 515 | }; | 522 | }; |
| 516 | 523 | ||
| 517 | /* | 524 | /* |
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 5b910cf63740..b8251e827059 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c | |||
| @@ -6011,9 +6011,20 @@ static void nv_shutdown(struct pci_dev *pdev) | |||
| 6011 | if (netif_running(dev)) | 6011 | if (netif_running(dev)) |
| 6012 | nv_close(dev); | 6012 | nv_close(dev); |
| 6013 | 6013 | ||
| 6014 | nv_restore_mac_addr(pdev); | 6014 | /* |
| 6015 | * Restore the MAC so a kernel started by kexec won't get confused. | ||
| 6016 | * If we really go for poweroff, we must not restore the MAC, | ||
| 6017 | * otherwise the MAC for WOL will be reversed at least on some boards. | ||
| 6018 | */ | ||
| 6019 | if (system_state != SYSTEM_POWER_OFF) { | ||
| 6020 | nv_restore_mac_addr(pdev); | ||
| 6021 | } | ||
| 6015 | 6022 | ||
| 6016 | pci_disable_device(pdev); | 6023 | pci_disable_device(pdev); |
| 6024 | /* | ||
| 6025 | * Apparently it is not possible to reinitialise from D3 hot, | ||
| 6026 | * only put the device into D3 if we really go for poweroff. | ||
| 6027 | */ | ||
| 6017 | if (system_state == SYSTEM_POWER_OFF) { | 6028 | if (system_state == SYSTEM_POWER_OFF) { |
| 6018 | if (pci_enable_wake(pdev, PCI_D3cold, np->wolenabled)) | 6029 | if (pci_enable_wake(pdev, PCI_D3cold, np->wolenabled)) |
| 6019 | pci_enable_wake(pdev, PCI_D3hot, np->wolenabled); | 6030 | pci_enable_wake(pdev, PCI_D3hot, np->wolenabled); |
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 5f31bbb614af..13f11f402a99 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c | |||
| @@ -1175,7 +1175,7 @@ static void mib_counters_update(struct mv643xx_eth_private *mp) | |||
| 1175 | { | 1175 | { |
| 1176 | struct mib_counters *p = &mp->mib_counters; | 1176 | struct mib_counters *p = &mp->mib_counters; |
| 1177 | 1177 | ||
| 1178 | spin_lock(&mp->mib_counters_lock); | 1178 | spin_lock_bh(&mp->mib_counters_lock); |
| 1179 | p->good_octets_received += mib_read(mp, 0x00); | 1179 | p->good_octets_received += mib_read(mp, 0x00); |
| 1180 | p->good_octets_received += (u64)mib_read(mp, 0x04) << 32; | 1180 | p->good_octets_received += (u64)mib_read(mp, 0x04) << 32; |
| 1181 | p->bad_octets_received += mib_read(mp, 0x08); | 1181 | p->bad_octets_received += mib_read(mp, 0x08); |
| @@ -1208,7 +1208,7 @@ static void mib_counters_update(struct mv643xx_eth_private *mp) | |||
| 1208 | p->bad_crc_event += mib_read(mp, 0x74); | 1208 | p->bad_crc_event += mib_read(mp, 0x74); |
| 1209 | p->collision += mib_read(mp, 0x78); | 1209 | p->collision += mib_read(mp, 0x78); |
| 1210 | p->late_collision += mib_read(mp, 0x7c); | 1210 | p->late_collision += mib_read(mp, 0x7c); |
| 1211 | spin_unlock(&mp->mib_counters_lock); | 1211 | spin_unlock_bh(&mp->mib_counters_lock); |
| 1212 | 1212 | ||
| 1213 | mod_timer(&mp->mib_counters_timer, jiffies + 30 * HZ); | 1213 | mod_timer(&mp->mib_counters_timer, jiffies + 30 * HZ); |
| 1214 | } | 1214 | } |
| @@ -1575,7 +1575,7 @@ oom: | |||
| 1575 | return; | 1575 | return; |
| 1576 | } | 1576 | } |
| 1577 | 1577 | ||
| 1578 | mc_spec = kmalloc(0x200, GFP_KERNEL); | 1578 | mc_spec = kmalloc(0x200, GFP_ATOMIC); |
| 1579 | if (mc_spec == NULL) | 1579 | if (mc_spec == NULL) |
| 1580 | goto oom; | 1580 | goto oom; |
| 1581 | mc_other = mc_spec + (0x100 >> 2); | 1581 | mc_other = mc_spec + (0x100 >> 2); |
| @@ -2216,8 +2216,6 @@ static int mv643xx_eth_stop(struct net_device *dev) | |||
| 2216 | wrlp(mp, INT_MASK, 0x00000000); | 2216 | wrlp(mp, INT_MASK, 0x00000000); |
| 2217 | rdlp(mp, INT_MASK); | 2217 | rdlp(mp, INT_MASK); |
| 2218 | 2218 | ||
| 2219 | del_timer_sync(&mp->mib_counters_timer); | ||
| 2220 | |||
| 2221 | napi_disable(&mp->napi); | 2219 | napi_disable(&mp->napi); |
| 2222 | 2220 | ||
| 2223 | del_timer_sync(&mp->rx_oom); | 2221 | del_timer_sync(&mp->rx_oom); |
| @@ -2229,6 +2227,7 @@ static int mv643xx_eth_stop(struct net_device *dev) | |||
| 2229 | port_reset(mp); | 2227 | port_reset(mp); |
| 2230 | mv643xx_eth_get_stats(dev); | 2228 | mv643xx_eth_get_stats(dev); |
| 2231 | mib_counters_update(mp); | 2229 | mib_counters_update(mp); |
| 2230 | del_timer_sync(&mp->mib_counters_timer); | ||
| 2232 | 2231 | ||
| 2233 | skb_queue_purge(&mp->rx_recycle); | 2232 | skb_queue_purge(&mp->rx_recycle); |
| 2234 | 2233 | ||
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c index 783c1a7b869e..9a78daec2fe9 100644 --- a/drivers/net/smsc911x.c +++ b/drivers/net/smsc911x.c | |||
| @@ -1624,7 +1624,7 @@ static int smsc911x_eeprom_send_cmd(struct smsc911x_data *pdata, u32 op) | |||
| 1624 | do { | 1624 | do { |
| 1625 | msleep(1); | 1625 | msleep(1); |
| 1626 | e2cmd = smsc911x_reg_read(pdata, E2P_CMD); | 1626 | e2cmd = smsc911x_reg_read(pdata, E2P_CMD); |
| 1627 | } while ((e2cmd & E2P_CMD_EPC_BUSY_) && (timeout--)); | 1627 | } while ((e2cmd & E2P_CMD_EPC_BUSY_) && (--timeout)); |
| 1628 | 1628 | ||
| 1629 | if (!timeout) { | 1629 | if (!timeout) { |
| 1630 | SMSC_TRACE(DRV, "TIMED OUT"); | 1630 | SMSC_TRACE(DRV, "TIMED OUT"); |
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c index a1e4b3895b33..4e15ae068b3f 100644 --- a/drivers/net/smsc9420.c +++ b/drivers/net/smsc9420.c | |||
| @@ -341,7 +341,7 @@ static int smsc9420_eeprom_send_cmd(struct smsc9420_pdata *pd, u32 op) | |||
| 341 | do { | 341 | do { |
| 342 | msleep(1); | 342 | msleep(1); |
| 343 | e2cmd = smsc9420_reg_read(pd, E2P_CMD); | 343 | e2cmd = smsc9420_reg_read(pd, E2P_CMD); |
| 344 | } while ((e2cmd & E2P_CMD_EPC_BUSY_) && (timeout--)); | 344 | } while ((e2cmd & E2P_CMD_EPC_BUSY_) && (--timeout)); |
| 345 | 345 | ||
| 346 | if (!timeout) { | 346 | if (!timeout) { |
| 347 | smsc_info(HW, "TIMED OUT"); | 347 | smsc_info(HW, "TIMED OUT"); |
| @@ -413,6 +413,7 @@ static int smsc9420_ethtool_get_eeprom(struct net_device *dev, | |||
| 413 | } | 413 | } |
| 414 | 414 | ||
| 415 | memcpy(data, &eeprom_data[eeprom->offset], len); | 415 | memcpy(data, &eeprom_data[eeprom->offset], len); |
| 416 | eeprom->magic = SMSC9420_EEPROM_MAGIC; | ||
| 416 | eeprom->len = len; | 417 | eeprom->len = len; |
| 417 | return 0; | 418 | return 0; |
| 418 | } | 419 | } |
| @@ -423,6 +424,9 @@ static int smsc9420_ethtool_set_eeprom(struct net_device *dev, | |||
| 423 | struct smsc9420_pdata *pd = netdev_priv(dev); | 424 | struct smsc9420_pdata *pd = netdev_priv(dev); |
| 424 | int ret; | 425 | int ret; |
| 425 | 426 | ||
| 427 | if (eeprom->magic != SMSC9420_EEPROM_MAGIC) | ||
| 428 | return -EINVAL; | ||
| 429 | |||
| 426 | smsc9420_eeprom_enable_access(pd); | 430 | smsc9420_eeprom_enable_access(pd); |
| 427 | smsc9420_eeprom_send_cmd(pd, E2P_CMD_EPC_CMD_EWEN_); | 431 | smsc9420_eeprom_send_cmd(pd, E2P_CMD_EPC_CMD_EWEN_); |
| 428 | ret = smsc9420_eeprom_write_location(pd, eeprom->offset, *data); | 432 | ret = smsc9420_eeprom_write_location(pd, eeprom->offset, *data); |
diff --git a/drivers/net/smsc9420.h b/drivers/net/smsc9420.h index 69c351f93f86..e441402f77a2 100644 --- a/drivers/net/smsc9420.h +++ b/drivers/net/smsc9420.h | |||
| @@ -44,6 +44,7 @@ | |||
| 44 | #define LAN_REGISTER_EXTENT (0x400) | 44 | #define LAN_REGISTER_EXTENT (0x400) |
| 45 | 45 | ||
| 46 | #define SMSC9420_EEPROM_SIZE ((u32)11) | 46 | #define SMSC9420_EEPROM_SIZE ((u32)11) |
| 47 | #define SMSC9420_EEPROM_MAGIC (0x9420) | ||
| 47 | 48 | ||
| 48 | #define PKT_BUF_SZ (VLAN_ETH_FRAME_LEN + NET_IP_ALIGN + 4) | 49 | #define PKT_BUF_SZ (VLAN_ETH_FRAME_LEN + NET_IP_ALIGN + 4) |
| 49 | 50 | ||
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index feaf0e0577d7..43695b76606f 100644 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c | |||
| @@ -909,7 +909,7 @@ static void check_duplex(struct net_device *dev) | |||
| 909 | printk(KERN_INFO "%s: Setting %s-duplex based on MII #%d " | 909 | printk(KERN_INFO "%s: Setting %s-duplex based on MII #%d " |
| 910 | "negotiated capability %4.4x.\n", dev->name, | 910 | "negotiated capability %4.4x.\n", dev->name, |
| 911 | duplex ? "full" : "half", np->phys[0], negotiated); | 911 | duplex ? "full" : "half", np->phys[0], negotiated); |
| 912 | iowrite16(ioread16(ioaddr + MACCtrl0) | duplex ? 0x20 : 0, ioaddr + MACCtrl0); | 912 | iowrite16(ioread16(ioaddr + MACCtrl0) | (duplex ? 0x20 : 0), ioaddr + MACCtrl0); |
| 913 | } | 913 | } |
| 914 | } | 914 | } |
| 915 | 915 | ||
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 491876341068..8d64b1da0465 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c | |||
| @@ -1157,7 +1157,7 @@ static void gem_pcs_reset(struct gem *gp) | |||
| 1157 | if (limit-- <= 0) | 1157 | if (limit-- <= 0) |
| 1158 | break; | 1158 | break; |
| 1159 | } | 1159 | } |
| 1160 | if (limit <= 0) | 1160 | if (limit < 0) |
| 1161 | printk(KERN_WARNING "%s: PCS reset bit would not clear.\n", | 1161 | printk(KERN_WARNING "%s: PCS reset bit would not clear.\n", |
| 1162 | gp->dev->name); | 1162 | gp->dev->name); |
| 1163 | } | 1163 | } |
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c index 281373281756..16c528db7251 100644 --- a/drivers/net/sunlance.c +++ b/drivers/net/sunlance.c | |||
| @@ -343,7 +343,7 @@ static void lance_init_ring_dvma(struct net_device *dev) | |||
| 343 | ib->phys_addr [5] = dev->dev_addr [4]; | 343 | ib->phys_addr [5] = dev->dev_addr [4]; |
| 344 | 344 | ||
| 345 | /* Setup the Tx ring entries */ | 345 | /* Setup the Tx ring entries */ |
| 346 | for (i = 0; i <= TX_RING_SIZE; i++) { | 346 | for (i = 0; i < TX_RING_SIZE; i++) { |
| 347 | leptr = LANCE_ADDR(aib + libbuff_offset(tx_buf, i)); | 347 | leptr = LANCE_ADDR(aib + libbuff_offset(tx_buf, i)); |
| 348 | ib->btx_ring [i].tmd0 = leptr; | 348 | ib->btx_ring [i].tmd0 = leptr; |
| 349 | ib->btx_ring [i].tmd1_hadr = leptr >> 16; | 349 | ib->btx_ring [i].tmd1_hadr = leptr >> 16; |
| @@ -399,7 +399,7 @@ static void lance_init_ring_pio(struct net_device *dev) | |||
| 399 | sbus_writeb(dev->dev_addr[4], &ib->phys_addr[5]); | 399 | sbus_writeb(dev->dev_addr[4], &ib->phys_addr[5]); |
| 400 | 400 | ||
| 401 | /* Setup the Tx ring entries */ | 401 | /* Setup the Tx ring entries */ |
| 402 | for (i = 0; i <= TX_RING_SIZE; i++) { | 402 | for (i = 0; i < TX_RING_SIZE; i++) { |
| 403 | leptr = libbuff_offset(tx_buf, i); | 403 | leptr = libbuff_offset(tx_buf, i); |
| 404 | sbus_writew(leptr, &ib->btx_ring [i].tmd0); | 404 | sbus_writew(leptr, &ib->btx_ring [i].tmd0); |
| 405 | sbus_writeb(leptr >> 16,&ib->btx_ring [i].tmd1_hadr); | 405 | sbus_writeb(leptr >> 16,&ib->btx_ring [i].tmd1_hadr); |
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 4595962fb8e1..b080f9493d83 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c | |||
| @@ -2237,8 +2237,8 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) | |||
| 2237 | phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask; | 2237 | phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask; |
| 2238 | if (phyid != TG3_PHY_ID_BCMAC131) { | 2238 | if (phyid != TG3_PHY_ID_BCMAC131) { |
| 2239 | phyid &= TG3_PHY_OUI_MASK; | 2239 | phyid &= TG3_PHY_OUI_MASK; |
| 2240 | if (phyid == TG3_PHY_OUI_1 && | 2240 | if (phyid == TG3_PHY_OUI_1 || |
| 2241 | phyid == TG3_PHY_OUI_2 && | 2241 | phyid == TG3_PHY_OUI_2 || |
| 2242 | phyid == TG3_PHY_OUI_3) | 2242 | phyid == TG3_PHY_OUI_3) |
| 2243 | do_low_power = true; | 2243 | do_low_power = true; |
| 2244 | } | 2244 | } |
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 852d0e7c4e62..108bbbeacfb6 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c | |||
| @@ -263,10 +263,11 @@ static void veth_dev_free(struct net_device *dev) | |||
| 263 | } | 263 | } |
| 264 | 264 | ||
| 265 | static const struct net_device_ops veth_netdev_ops = { | 265 | static const struct net_device_ops veth_netdev_ops = { |
| 266 | .ndo_init = veth_dev_init, | 266 | .ndo_init = veth_dev_init, |
| 267 | .ndo_open = veth_open, | 267 | .ndo_open = veth_open, |
| 268 | .ndo_start_xmit = veth_xmit, | 268 | .ndo_start_xmit = veth_xmit, |
| 269 | .ndo_get_stats = veth_get_stats, | 269 | .ndo_get_stats = veth_get_stats, |
| 270 | .ndo_set_mac_address = eth_mac_addr, | ||
| 270 | }; | 271 | }; |
| 271 | 272 | ||
| 272 | static void veth_setup(struct net_device *dev) | 273 | static void veth_setup(struct net_device *dev) |
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h index 067c871cc226..3b9d27ea2950 100644 --- a/drivers/net/wimax/i2400m/i2400m.h +++ b/drivers/net/wimax/i2400m/i2400m.h | |||
| @@ -157,7 +157,7 @@ enum { | |||
| 157 | 157 | ||
| 158 | 158 | ||
| 159 | /* Firmware version we request when pulling the fw image file */ | 159 | /* Firmware version we request when pulling the fw image file */ |
| 160 | #define I2400M_FW_VERSION "1.3" | 160 | #define I2400M_FW_VERSION "1.4" |
| 161 | 161 | ||
| 162 | 162 | ||
| 163 | /** | 163 | /** |
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index f8ff918c208f..e1ff5b14310e 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h | |||
| @@ -210,6 +210,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci) | |||
| 210 | 210 | ||
| 211 | /* Move the mac addresses to the beginning of the new header. */ | 211 | /* Move the mac addresses to the beginning of the new header. */ |
| 212 | memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN); | 212 | memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN); |
| 213 | skb->mac_header -= VLAN_HLEN; | ||
| 213 | 214 | ||
| 214 | /* first, the ethernet type */ | 215 | /* first, the ethernet type */ |
| 215 | veth->h_vlan_proto = htons(ETH_P_8021Q); | 216 | veth->h_vlan_proto = htons(ETH_P_8021Q); |
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index cf2cb50f77d1..9dcf956ad18a 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h | |||
| @@ -416,15 +416,6 @@ extern void skb_over_panic(struct sk_buff *skb, int len, | |||
| 416 | void *here); | 416 | void *here); |
| 417 | extern void skb_under_panic(struct sk_buff *skb, int len, | 417 | extern void skb_under_panic(struct sk_buff *skb, int len, |
| 418 | void *here); | 418 | void *here); |
| 419 | extern void skb_truesize_bug(struct sk_buff *skb); | ||
| 420 | |||
| 421 | static inline void skb_truesize_check(struct sk_buff *skb) | ||
| 422 | { | ||
| 423 | int len = sizeof(struct sk_buff) + skb->len; | ||
| 424 | |||
| 425 | if (unlikely((int)skb->truesize < len)) | ||
| 426 | skb_truesize_bug(skb); | ||
| 427 | } | ||
| 428 | 419 | ||
| 429 | extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb, | 420 | extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb, |
| 430 | int getfrag(void *from, char *to, int offset, | 421 | int getfrag(void *from, char *to, int offset, |
diff --git a/include/net/sock.h b/include/net/sock.h index ce3b5b622683..eefeeaf7fc46 100644 --- a/include/net/sock.h +++ b/include/net/sock.h | |||
| @@ -860,7 +860,6 @@ static inline void sk_mem_uncharge(struct sock *sk, int size) | |||
| 860 | 860 | ||
| 861 | static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb) | 861 | static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb) |
| 862 | { | 862 | { |
| 863 | skb_truesize_check(skb); | ||
| 864 | sock_set_flag(sk, SOCK_QUEUE_SHRUNK); | 863 | sock_set_flag(sk, SOCK_QUEUE_SHRUNK); |
| 865 | sk->sk_wmem_queued -= skb->truesize; | 864 | sk->sk_wmem_queued -= skb->truesize; |
| 866 | sk_mem_uncharge(sk, skb->truesize); | 865 | sk_mem_uncharge(sk, skb->truesize); |
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 55151faaf90c..b0767abf23e5 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c | |||
| @@ -32,24 +32,14 @@ static __net_init int setup_net(struct net *net) | |||
| 32 | { | 32 | { |
| 33 | /* Must be called with net_mutex held */ | 33 | /* Must be called with net_mutex held */ |
| 34 | struct pernet_operations *ops; | 34 | struct pernet_operations *ops; |
| 35 | int error; | 35 | int error = 0; |
| 36 | struct net_generic *ng; | ||
| 37 | 36 | ||
| 38 | atomic_set(&net->count, 1); | 37 | atomic_set(&net->count, 1); |
| 38 | |||
| 39 | #ifdef NETNS_REFCNT_DEBUG | 39 | #ifdef NETNS_REFCNT_DEBUG |
| 40 | atomic_set(&net->use_count, 0); | 40 | atomic_set(&net->use_count, 0); |
| 41 | #endif | 41 | #endif |
| 42 | 42 | ||
| 43 | error = -ENOMEM; | ||
| 44 | ng = kzalloc(sizeof(struct net_generic) + | ||
| 45 | INITIAL_NET_GEN_PTRS * sizeof(void *), GFP_KERNEL); | ||
| 46 | if (ng == NULL) | ||
| 47 | goto out; | ||
| 48 | |||
| 49 | ng->len = INITIAL_NET_GEN_PTRS; | ||
| 50 | rcu_assign_pointer(net->gen, ng); | ||
| 51 | |||
| 52 | error = 0; | ||
| 53 | list_for_each_entry(ops, &pernet_list, list) { | 43 | list_for_each_entry(ops, &pernet_list, list) { |
| 54 | if (ops->init) { | 44 | if (ops->init) { |
| 55 | error = ops->init(net); | 45 | error = ops->init(net); |
| @@ -70,7 +60,6 @@ out_undo: | |||
| 70 | } | 60 | } |
| 71 | 61 | ||
| 72 | rcu_barrier(); | 62 | rcu_barrier(); |
| 73 | kfree(ng); | ||
| 74 | goto out; | 63 | goto out; |
| 75 | } | 64 | } |
| 76 | 65 | ||
| @@ -78,16 +67,43 @@ out_undo: | |||
| 78 | static struct kmem_cache *net_cachep; | 67 | static struct kmem_cache *net_cachep; |
| 79 | static struct workqueue_struct *netns_wq; | 68 | static struct workqueue_struct *netns_wq; |
| 80 | 69 | ||
| 81 | static struct net *net_alloc(void) | 70 | static struct net_generic *net_alloc_generic(void) |
| 82 | { | 71 | { |
| 83 | return kmem_cache_zalloc(net_cachep, GFP_KERNEL); | 72 | struct net_generic *ng; |
| 73 | size_t generic_size = sizeof(struct net_generic) + | ||
| 74 | INITIAL_NET_GEN_PTRS * sizeof(void *); | ||
| 75 | |||
| 76 | ng = kzalloc(generic_size, GFP_KERNEL); | ||
| 77 | if (ng) | ||
| 78 | ng->len = INITIAL_NET_GEN_PTRS; | ||
| 79 | |||
| 80 | return ng; | ||
| 84 | } | 81 | } |
| 85 | 82 | ||
| 86 | static void net_free(struct net *net) | 83 | static struct net *net_alloc(void) |
| 87 | { | 84 | { |
| 85 | struct net *net = NULL; | ||
| 86 | struct net_generic *ng; | ||
| 87 | |||
| 88 | ng = net_alloc_generic(); | ||
| 89 | if (!ng) | ||
| 90 | goto out; | ||
| 91 | |||
| 92 | net = kmem_cache_zalloc(net_cachep, GFP_KERNEL); | ||
| 88 | if (!net) | 93 | if (!net) |
| 89 | return; | 94 | goto out_free; |
| 95 | |||
| 96 | rcu_assign_pointer(net->gen, ng); | ||
| 97 | out: | ||
| 98 | return net; | ||
| 99 | |||
| 100 | out_free: | ||
| 101 | kfree(ng); | ||
| 102 | goto out; | ||
| 103 | } | ||
| 90 | 104 | ||
| 105 | static void net_free(struct net *net) | ||
| 106 | { | ||
| 91 | #ifdef NETNS_REFCNT_DEBUG | 107 | #ifdef NETNS_REFCNT_DEBUG |
| 92 | if (unlikely(atomic_read(&net->use_count) != 0)) { | 108 | if (unlikely(atomic_read(&net->use_count) != 0)) { |
| 93 | printk(KERN_EMERG "network namespace not free! Usage: %d\n", | 109 | printk(KERN_EMERG "network namespace not free! Usage: %d\n", |
| @@ -112,27 +128,28 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net) | |||
| 112 | err = -ENOMEM; | 128 | err = -ENOMEM; |
| 113 | new_net = net_alloc(); | 129 | new_net = net_alloc(); |
| 114 | if (!new_net) | 130 | if (!new_net) |
| 115 | goto out; | 131 | goto out_err; |
| 116 | 132 | ||
| 117 | mutex_lock(&net_mutex); | 133 | mutex_lock(&net_mutex); |
| 118 | err = setup_net(new_net); | 134 | err = setup_net(new_net); |
| 119 | if (err) | 135 | if (!err) { |
| 120 | goto out_unlock; | 136 | rtnl_lock(); |
| 121 | 137 | list_add_tail(&new_net->list, &net_namespace_list); | |
| 122 | rtnl_lock(); | 138 | rtnl_unlock(); |
| 123 | list_add_tail(&new_net->list, &net_namespace_list); | 139 | } |
| 124 | rtnl_unlock(); | ||
| 125 | |||
| 126 | |||
| 127 | out_unlock: | ||
| 128 | mutex_unlock(&net_mutex); | 140 | mutex_unlock(&net_mutex); |
| 141 | |||
| 142 | if (err) | ||
| 143 | goto out_free; | ||
| 129 | out: | 144 | out: |
| 130 | put_net(old_net); | 145 | put_net(old_net); |
| 131 | if (err) { | ||
| 132 | net_free(new_net); | ||
| 133 | new_net = ERR_PTR(err); | ||
| 134 | } | ||
| 135 | return new_net; | 146 | return new_net; |
| 147 | |||
| 148 | out_free: | ||
| 149 | net_free(new_net); | ||
| 150 | out_err: | ||
| 151 | new_net = ERR_PTR(err); | ||
| 152 | goto out; | ||
| 136 | } | 153 | } |
| 137 | 154 | ||
| 138 | static void cleanup_net(struct work_struct *work) | 155 | static void cleanup_net(struct work_struct *work) |
| @@ -188,6 +205,7 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net) | |||
| 188 | 205 | ||
| 189 | static int __init net_ns_init(void) | 206 | static int __init net_ns_init(void) |
| 190 | { | 207 | { |
| 208 | struct net_generic *ng; | ||
| 191 | int err; | 209 | int err; |
| 192 | 210 | ||
| 193 | printk(KERN_INFO "net_namespace: %zd bytes\n", sizeof(struct net)); | 211 | printk(KERN_INFO "net_namespace: %zd bytes\n", sizeof(struct net)); |
| @@ -202,6 +220,12 @@ static int __init net_ns_init(void) | |||
| 202 | panic("Could not create netns workq"); | 220 | panic("Could not create netns workq"); |
| 203 | #endif | 221 | #endif |
| 204 | 222 | ||
| 223 | ng = net_alloc_generic(); | ||
| 224 | if (!ng) | ||
| 225 | panic("Could not allocate generic netns"); | ||
| 226 | |||
| 227 | rcu_assign_pointer(init_net.gen, ng); | ||
| 228 | |||
| 205 | mutex_lock(&net_mutex); | 229 | mutex_lock(&net_mutex); |
| 206 | err = setup_net(&init_net); | 230 | err = setup_net(&init_net); |
| 207 | 231 | ||
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index da74b844f4ea..c6a6b166f8d6 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c | |||
| @@ -143,14 +143,6 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here) | |||
| 143 | BUG(); | 143 | BUG(); |
| 144 | } | 144 | } |
| 145 | 145 | ||
| 146 | void skb_truesize_bug(struct sk_buff *skb) | ||
| 147 | { | ||
| 148 | WARN(net_ratelimit(), KERN_ERR "SKB BUG: Invalid truesize (%u) " | ||
| 149 | "len=%u, sizeof(sk_buff)=%Zd\n", | ||
| 150 | skb->truesize, skb->len, sizeof(struct sk_buff)); | ||
| 151 | } | ||
| 152 | EXPORT_SYMBOL(skb_truesize_bug); | ||
| 153 | |||
| 154 | /* Allocate a new skbuff. We do this ourselves so we can fill in a few | 146 | /* Allocate a new skbuff. We do this ourselves so we can fill in a few |
| 155 | * 'private' fields and also do memory statistics to find all the | 147 | * 'private' fields and also do memory statistics to find all the |
| 156 | * [BEEP] leaks. | 148 | * [BEEP] leaks. |
diff --git a/net/core/sock.c b/net/core/sock.c index 6f2e1337975d..6e4f14d1ef81 100644 --- a/net/core/sock.c +++ b/net/core/sock.c | |||
| @@ -1137,7 +1137,6 @@ void sock_rfree(struct sk_buff *skb) | |||
| 1137 | { | 1137 | { |
| 1138 | struct sock *sk = skb->sk; | 1138 | struct sock *sk = skb->sk; |
| 1139 | 1139 | ||
| 1140 | skb_truesize_check(skb); | ||
| 1141 | atomic_sub(skb->truesize, &sk->sk_rmem_alloc); | 1140 | atomic_sub(skb->truesize, &sk->sk_rmem_alloc); |
| 1142 | sk_mem_uncharge(skb->sk, skb->truesize); | 1141 | sk_mem_uncharge(skb->sk, skb->truesize); |
| 1143 | } | 1142 | } |
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index dda42f0bd7a3..da2c3b8794f2 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c | |||
| @@ -2023,7 +2023,6 @@ void tcp_xmit_retransmit_queue(struct sock *sk) | |||
| 2023 | last_lost = tp->snd_una; | 2023 | last_lost = tp->snd_una; |
| 2024 | } | 2024 | } |
| 2025 | 2025 | ||
| 2026 | /* First pass: retransmit lost packets. */ | ||
| 2027 | tcp_for_write_queue_from(skb, sk) { | 2026 | tcp_for_write_queue_from(skb, sk) { |
| 2028 | __u8 sacked = TCP_SKB_CB(skb)->sacked; | 2027 | __u8 sacked = TCP_SKB_CB(skb)->sacked; |
| 2029 | 2028 | ||
