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netxen: make local function static.
[net-next-2.6.git] / drivers / net / netxen / netxen_nic_main.c
CommitLineData
3d396eb1 1/*
5d242f1c 2 * Copyright (C) 2003 - 2009 NetXen, Inc.
13af7a6e 3 * Copyright (C) 2009 - QLogic Corporation.
3d396eb1 4 * All rights reserved.
80922fbc 5 *
3d396eb1
AK		 6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
80922fbc 10 *
3d396eb1
AK		 11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
80922fbc 15 *
3d396eb1
AK		 16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19 * MA 02111-1307, USA.
80922fbc 20 *
3d396eb1 21 * The full GNU General Public License is included in this distribution
4d21fef4 22 * in the file called "COPYING".
80922fbc 23 *
3d396eb1
AK		 24 */
25
5a0e3ad6 26#include <linux/slab.h>
cb8011ad 27#include <linux/vmalloc.h>
e98e3350 28#include <linux/interrupt.h>
3d396eb1
AK		 29#include "netxen_nic_hw.h"
30
31#include "netxen_nic.h"
3d396eb1 32
1494a814 33#include <linux/dma-mapping.h>
391587c3 34#include <linux/if_vlan.h>
c9bdd4b5 35#include <net/ip.h>
00977784 36#include <linux/ipv6.h>
6598b169 37#include <linux/inetdevice.h>
0531d7b8 38#include <linux/sysfs.h>
e87ad553 39#include <linux/aer.h>
1494a814 40
c25c0b9b 41MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver");
3d396eb1
AK		 42MODULE_LICENSE("GPL");
43MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
7e8e5d97
DP		 44MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME);
45MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME);
46MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME);
47MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
3d396eb1 48
ceded32f 49char netxen_nic_driver_name[] = "netxen_nic";
c25c0b9b 50static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
cb8011ad 51 NETXEN_NIC_LINUX_VERSIONID;
3d396eb1 52
2956640d
DP		 53static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
54
55/* Default to restricted 1G auto-neg mode */
56static int wol_port_mode = 5;
57
58static int use_msi = 1;
59
60static int use_msi_x = 1;
61
afdafff1
SH		 62static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
63module_param(auto_fw_reset, int, 0644);
64MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled");
caa2dd53 65
3d396eb1 66static int __devinit netxen_nic_probe(struct pci_dev *pdev,
2956640d 67 const struct pci_device_id *ent);
3d396eb1
AK		 68static void __devexit netxen_nic_remove(struct pci_dev *pdev);
69static int netxen_nic_open(struct net_device *netdev);
70static int netxen_nic_close(struct net_device *netdev);
61357325
SH		 71static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
72 struct net_device *);
3d396eb1 73static void netxen_tx_timeout(struct net_device *netdev);
74c520da 74static void netxen_tx_timeout_task(struct work_struct *work);
6a581e93
DP		 75static void netxen_fw_poll_work(struct work_struct *work);
76static void netxen_schedule_work(struct netxen_adapter *adapter,
77 work_func_t func, int delay);
78static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
bea3348e 79static int netxen_nic_poll(struct napi_struct *napi, int budget);
3d396eb1
AK		 80#ifdef CONFIG_NET_POLL_CONTROLLER
81static void netxen_nic_poll_controller(struct net_device *netdev);
82#endif
fa3ce355
NK		 83
84static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
85static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
70f9cf89
DP		 86static void netxen_create_diag_entries(struct netxen_adapter *adapter);
87static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
fa3ce355 88
e87ad553 89static int nx_dev_request_aer(struct netxen_adapter *adapter);
6a581e93
DP		 90static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
91static int netxen_can_start_firmware(struct netxen_adapter *adapter);
92
1494a814 93static irqreturn_t netxen_intr(int irq, void *data);
05aaa02d 94static irqreturn_t netxen_msi_intr(int irq, void *data);
b3df68f8 95static irqreturn_t netxen_msix_intr(int irq, void *data);
3d396eb1 96
d0725e4d 97static void netxen_config_indev_addr(struct net_device *dev, unsigned long);
7e12bb0a 98static struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
99static int netxen_nic_set_mac(struct net_device *netdev, void *p);
d0725e4d 100
3d396eb1 101/* PCI Device ID Table */
70081ac5 102#define ENTRY(device) \
040dec3b 103 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
70081ac5
AV		 104 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
105
a3aa1884 106static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = {
040dec3b
DP		 107 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
108 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
109 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
110 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
111 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
112 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
113 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
114 ENTRY(PCI_DEVICE_ID_NX3031),
3d396eb1
AK		 115 {0,}
116};
117
118MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
119
7830b22c
DP		 120static uint32_t crb_cmd_producer[4] = {
121 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
122 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
123};
124
c9fc891f 125void
3ce06a32 126netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
cb2107be 127 struct nx_host_tx_ring *tx_ring)
3176ff3e 128{
195c5f98 129 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
3176ff3e
MT		 130}
131
7830b22c
DP		 132static uint32_t crb_cmd_consumer[4] = {
133 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
134 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
135};
136
3ce06a32
DP		 137static inline void
138netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
cb2107be 139 struct nx_host_tx_ring *tx_ring)
3176ff3e 140{
195c5f98 141 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
3176ff3e
MT		 142}
143
2956640d 144static uint32_t msi_tgt_status[8] = {
443be796 145 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
2956640d
DP		 146 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
147 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
148 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
443be796
DP		 149};
150
2956640d
DP		 151static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
152
d8b100c5 153static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
4638aef1 154{
d8b100c5
DP		 155 struct netxen_adapter *adapter = sds_ring->adapter;
156
195c5f98 157 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
4638aef1
SH		 158}
159
d8b100c5 160static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
4638aef1 161{
d8b100c5
DP		 162 struct netxen_adapter *adapter = sds_ring->adapter;
163
195c5f98 164 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
4638aef1 165
092bc571 166 if (!NETXEN_IS_MSI_FAMILY(adapter))
195c5f98 167 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
4638aef1
SH		 168}
169
71dcddbd
DP		 170static int
171netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
172{
173 int size = sizeof(struct nx_host_sds_ring) * count;
174
175 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
176
807540ba 177 return recv_ctx->sds_rings == NULL;
71dcddbd
DP		 178}
179
d8b100c5 180static void
71dcddbd
DP		 181netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
182{
183 if (recv_ctx->sds_rings != NULL)
184 kfree(recv_ctx->sds_rings);
232e7d68
DP		 185
186 recv_ctx->sds_rings = NULL;
71dcddbd
DP		 187}
188
189static int
d8b100c5
DP		 190netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
191{
192 int ring;
193 struct nx_host_sds_ring *sds_ring;
194 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
195
71dcddbd 196 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
f17443f4 197 return -ENOMEM;
71dcddbd 198
d8b100c5
DP		 199 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
200 sds_ring = &recv_ctx->sds_rings[ring];
201 netif_napi_add(netdev, &sds_ring->napi,
202 netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
203 }
71dcddbd
DP		 204
205 return 0;
d8b100c5
DP		 206}
207
232e7d68
DP		 208static void
209netxen_napi_del(struct netxen_adapter *adapter)
210{
211 int ring;
212 struct nx_host_sds_ring *sds_ring;
213 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
214
215 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
216 sds_ring = &recv_ctx->sds_rings[ring];
217 netif_napi_del(&sds_ring->napi);
218 }
219
220 netxen_free_sds_rings(&adapter->recv_ctx);
221}
222
d8b100c5
DP		 223static void
224netxen_napi_enable(struct netxen_adapter *adapter)
225{
226 int ring;
227 struct nx_host_sds_ring *sds_ring;
228 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
229
230 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
231 sds_ring = &recv_ctx->sds_rings[ring];
232 napi_enable(&sds_ring->napi);
233 netxen_nic_enable_int(sds_ring);
234 }
235}
236
237static void
238netxen_napi_disable(struct netxen_adapter *adapter)
239{
240 int ring;
241 struct nx_host_sds_ring *sds_ring;
242 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
243
244 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
245 sds_ring = &recv_ctx->sds_rings[ring];
be339aee 246 netxen_nic_disable_int(sds_ring);
b2af9cb0
DP		 247 napi_synchronize(&sds_ring->napi);
248 napi_disable(&sds_ring->napi);
d8b100c5
DP		 249 }
250}
251
50c643e7 252static int nx_set_dma_mask(struct netxen_adapter *adapter)
2956640d
DP		 253{
254 struct pci_dev *pdev = adapter->pdev;
1f434f63
DP		 255 uint64_t mask, cmask;
256
257 adapter->pci_using_dac = 0;
2956640d 258
6afd142f 259 mask = DMA_BIT_MASK(32);
6afd142f 260 cmask = DMA_BIT_MASK(32);
1f434f63 261
50c643e7 262 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1f434f63 263#ifndef CONFIG_IA64
6afd142f 264 mask = DMA_BIT_MASK(35);
1f434f63 265#endif
50c643e7
DP		 266 } else {
267 mask = DMA_BIT_MASK(39);
268 cmask = mask;
269 }
270
2956640d 271 if (pci_set_dma_mask(pdev, mask) == 0 &&
1f434f63 272 pci_set_consistent_dma_mask(pdev, cmask) == 0) {
2956640d
DP		 273 adapter->pci_using_dac = 1;
274 return 0;
275 }
2956640d 276
1f434f63
DP		 277 return -EIO;
278}
279
280/* Update addressable range if firmware supports it */
281static int
282nx_update_dma_mask(struct netxen_adapter *adapter)
283{
284 int change, shift, err;
50c643e7 285 uint64_t mask, old_mask, old_cmask;
1f434f63
DP		 286 struct pci_dev *pdev = adapter->pdev;
287
288 change = 0;
289
f98a9f69 290 shift = NXRD32(adapter, CRB_DMA_SHIFT);
f60f7856 291 if (shift > 32)
1f434f63
DP		 292 return 0;
293
294 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
295 change = 1;
296 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
297 change = 1;
298
299 if (change) {
300 old_mask = pdev->dma_mask;
50c643e7
DP		 301 old_cmask = pdev->dev.coherent_dma_mask;
302
f60f7856 303 mask = DMA_BIT_MASK(32+shift);
1f434f63
DP		 304
305 err = pci_set_dma_mask(pdev, mask);
306 if (err)
50c643e7
DP		 307 goto err_out;
308
309 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
310
311 err = pci_set_consistent_dma_mask(pdev, mask);
312 if (err)
313 goto err_out;
314 }
315 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
2956640d
DP		 316 }
317
2956640d 318 return 0;
50c643e7
DP		 319
320err_out:
321 pci_set_dma_mask(pdev, old_mask);
322 pci_set_consistent_dma_mask(pdev, old_cmask);
323 return err;
2956640d
DP		 324}
325
2956640d
DP		 326static int
327netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
328{
27c915a4 329 u32 val, timeout;
2956640d
DP		 330
331 if (first_boot == 0x55555555) {
332 /* This is the first boot after power up */
f98a9f69 333 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
27c915a4
DP		 334
335 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
336 return 0;
2956640d
DP		 337
338 /* PCI bus master workaround */
f98a9f69 339 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
2956640d
DP		 340 if (!(first_boot & 0x4)) {
341 first_boot |= 0x4;
f98a9f69 342 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
581e8ae4 343 NXRD32(adapter, NETXEN_PCIE_REG(0x4));
2956640d
DP		 344 }
345
346 /* This is the first boot after power up */
f98a9f69 347 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
2956640d
DP		 348 if (first_boot != 0x80000f) {
349 /* clear the register for future unloads/loads */
f98a9f69 350 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
27c915a4 351 return -EIO;
2956640d
DP		 352 }
353
27c915a4 354 /* Start P2 boot loader */
f98a9f69
DP		 355 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
356 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
27c915a4
DP		 357 timeout = 0;
358 do {
359 msleep(1);
f98a9f69 360 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
27c915a4
DP		 361
362 if (++timeout > 5000)
363 return -EIO;
364
365 } while (val == NETXEN_BDINFO_MAGIC);
2956640d 366 }
27c915a4 367 return 0;
2956640d
DP		 368}
369
370static void netxen_set_port_mode(struct netxen_adapter *adapter)
371{
372 u32 val, data;
373
1e2d0059 374 val = adapter->ahw.board_type;
2956640d
DP		 375 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
376 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
377 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
378 data = NETXEN_PORT_MODE_802_3_AP;
f98a9f69 379 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 380 } else if (port_mode == NETXEN_PORT_MODE_XG) {
381 data = NETXEN_PORT_MODE_XG;
f98a9f69 382 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 383 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
384 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
f98a9f69 385 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 386 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
387 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
f98a9f69 388 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 389 } else {
390 data = NETXEN_PORT_MODE_AUTO_NEG;
f98a9f69 391 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 392 }
393
394 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
395 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
396 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
397 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
398 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
399 }
f98a9f69 400 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
2956640d
DP		 401 }
402}
403
2956640d
DP		 404static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
405{
406 u32 control;
407 int pos;
408
409 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
410 if (pos) {
411 pci_read_config_dword(pdev, pos, &control);
412 if (enable)
413 control |= PCI_MSIX_FLAGS_ENABLE;
414 else
415 control = 0;
416 pci_write_config_dword(pdev, pos, control);
417 }
418}
419
be339aee 420static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
2956640d
DP		 421{
422 int i;
423
be339aee 424 for (i = 0; i < count; i++)
2956640d
DP		 425 adapter->msix_entries[i].entry = i;
426}
427
9dc28efe
DP		 428static int
429netxen_read_mac_addr(struct netxen_adapter *adapter)
430{
431 int i;
432 unsigned char *p;
a03d2451 433 u64 mac_addr;
9dc28efe
DP		 434 struct net_device *netdev = adapter->netdev;
435 struct pci_dev *pdev = adapter->pdev;
436
9dc28efe
DP		 437 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
438 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
439 return -EIO;
440 } else {
441 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
442 return -EIO;
443 }
444
445 p = (unsigned char *)&mac_addr;
446 for (i = 0; i < 6; i++)
447 netdev->dev_addr[i] = *(p + 5 - i);
448
449 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
5d09e534 450 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
9dc28efe
DP		 451
452 /* set station address */
453
e174961c
JB		 454 if (!is_valid_ether_addr(netdev->perm_addr))
455 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
9dc28efe
DP		 456
457 return 0;
458}
459
7e12bb0a 460static int netxen_nic_set_mac(struct net_device *netdev, void *p)
3d0a3cc9
DP		 461{
462 struct netxen_adapter *adapter = netdev_priv(netdev);
463 struct sockaddr *addr = p;
464
465 if (!is_valid_ether_addr(addr->sa_data))
466 return -EINVAL;
467
468 if (netif_running(netdev)) {
469 netif_device_detach(netdev);
470 netxen_napi_disable(adapter);
471 }
472
5d09e534 473 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
3d0a3cc9
DP		 474 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
475 adapter->macaddr_set(adapter, addr->sa_data);
476
477 if (netif_running(netdev)) {
478 netif_device_attach(netdev);
479 netxen_napi_enable(adapter);
480 }
481 return 0;
482}
483
1abd266f
SH		 484static void netxen_set_multicast_list(struct net_device *dev)
485{
486 struct netxen_adapter *adapter = netdev_priv(dev);
487
3d0a3cc9 488 adapter->set_multi(dev);
1abd266f
SH		 489}
490
491static const struct net_device_ops netxen_netdev_ops = {
492 .ndo_open = netxen_nic_open,
493 .ndo_stop = netxen_nic_close,
494 .ndo_start_xmit = netxen_nic_xmit_frame,
495 .ndo_get_stats = netxen_nic_get_stats,
496 .ndo_validate_addr = eth_validate_addr,
497 .ndo_set_multicast_list = netxen_set_multicast_list,
498 .ndo_set_mac_address = netxen_nic_set_mac,
499 .ndo_change_mtu = netxen_nic_change_mtu,
500 .ndo_tx_timeout = netxen_tx_timeout,
501#ifdef CONFIG_NET_POLL_CONTROLLER
502 .ndo_poll_controller = netxen_nic_poll_controller,
503#endif
504};
505
97daee83
DP		 506static void
507netxen_setup_intr(struct netxen_adapter *adapter)
508{
509 struct netxen_legacy_intr_set *legacy_intrp;
510 struct pci_dev *pdev = adapter->pdev;
be339aee
DP		 511 int err, num_msix;
512
513 if (adapter->rss_supported) {
514 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
515 MSIX_ENTRIES_PER_ADAPTER : 2;
516 } else
517 num_msix = 1;
518
519 adapter->max_sds_rings = 1;
97daee83
DP		 520
521 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
97daee83
DP		 522
523 if (adapter->ahw.revision_id >= NX_P3_B0)
524 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
525 else
526 legacy_intrp = &legacy_intr[0];
195c5f98
AKS		 527
528 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
529 adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
530 legacy_intrp->tgt_status_reg);
531 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
532 legacy_intrp->tgt_mask_reg);
533 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
534 legacy_intrp->pci_int_reg);
535 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
536
537 if (adapter->ahw.revision_id >= NX_P3_B1)
538 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
539 ISR_INT_STATE_REG);
540 else
541 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
542 CRB_INT_VECTOR);
97daee83
DP		 543
544 netxen_set_msix_bit(pdev, 0);
545
546 if (adapter->msix_supported) {
547
be339aee
DP		 548 netxen_init_msix_entries(adapter, num_msix);
549 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
550 if (err == 0) {
551 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
552 netxen_set_msix_bit(pdev, 1);
97daee83 553
be339aee
DP		 554 if (adapter->rss_supported)
555 adapter->max_sds_rings = num_msix;
97daee83 556
be339aee
DP		 557 dev_info(&pdev->dev, "using msi-x interrupts\n");
558 return;
559 }
560
561 if (err > 0)
562 pci_disable_msix(pdev);
563
564 /* fall through for msi */
97daee83 565 }
be339aee
DP		 566
567 if (use_msi && !pci_enable_msi(pdev)) {
568 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
195c5f98
AKS		 569 adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
570 msi_tgt_status[adapter->ahw.pci_func]);
be339aee 571 dev_info(&pdev->dev, "using msi interrupts\n");
f67f3408 572 adapter->msix_entries[0].vector = pdev->irq;
be339aee
DP		 573 return;
574 }
575
576 dev_info(&pdev->dev, "using legacy interrupts\n");
577 adapter->msix_entries[0].vector = pdev->irq;
97daee83
DP		 578}
579
580static void
581netxen_teardown_intr(struct netxen_adapter *adapter)
582{
583 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
584 pci_disable_msix(adapter->pdev);
585 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
586 pci_disable_msi(adapter->pdev);
587}
588
589static void
590netxen_cleanup_pci_map(struct netxen_adapter *adapter)
591{
592 if (adapter->ahw.db_base != NULL)
593 iounmap(adapter->ahw.db_base);
594 if (adapter->ahw.pci_base0 != NULL)
595 iounmap(adapter->ahw.pci_base0);
596 if (adapter->ahw.pci_base1 != NULL)
597 iounmap(adapter->ahw.pci_base1);
598 if (adapter->ahw.pci_base2 != NULL)
599 iounmap(adapter->ahw.pci_base2);
600}
601
602static int
603netxen_setup_pci_map(struct netxen_adapter *adapter)
604{
97daee83
DP		 605 void __iomem *db_ptr = NULL;
606
71fb62fb 607 resource_size_t mem_base, db_base;
afbe5cd6 608 unsigned long mem_len, db_len = 0;
97daee83
DP		 609
610 struct pci_dev *pdev = adapter->pdev;
611 int pci_func = adapter->ahw.pci_func;
afbe5cd6 612 struct netxen_hardware_context *ahw = &adapter->ahw;
97daee83
DP		 613
614 int err = 0;
615
616 /*
617 * Set the CRB window to invalid. If any register in window 0 is
618 * accessed it should set the window to 0 and then reset it to 1.
619 */
907fa120 620 adapter->ahw.crb_win = -1;
47abe356 621 adapter->ahw.ocm_win = -1;
97daee83
DP		 622
623 /* remap phys address */
624 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
625 mem_len = pci_resource_len(pdev, 0);
97daee83 626
97daee83
DP		 627 /* 128 Meg of memory */
628 if (mem_len == NETXEN_PCI_128MB_SIZE) {
afbe5cd6
AKS		 629
630 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
631 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
97daee83 632 SECOND_PAGE_GROUP_SIZE);
afbe5cd6 633 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
97daee83 634 THIRD_PAGE_GROUP_SIZE);
afbe5cd6
AKS		 635 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
636 ahw->pci_base2 == NULL) {
637 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
638 err = -EIO;
639 goto err_out;
640 }
641
642 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
643
97daee83 644 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
afbe5cd6
AKS		 645
646 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
647 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
97daee83 648 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
afbe5cd6
AKS		 649 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
650 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
651 err = -EIO;
652 goto err_out;
653 }
654
97daee83 655 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
97daee83 656
afbe5cd6
AKS		 657 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
658 if (ahw->pci_base0 == NULL) {
97daee83
DP		 659 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
660 return -EIO;
661 }
afbe5cd6 662 ahw->pci_len0 = mem_len;
97daee83
DP		 663 } else {
664 return -EIO;
665 }
666
195c5f98
AKS		 667 netxen_setup_hwops(adapter);
668
97daee83
DP		 669 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
670
6abb4b83
AKS		 671 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
672 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
673 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
674
675 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
47abe356
DP		 676 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
677 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
678 }
679
97daee83
DP		 680 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
681 goto skip_doorbell;
682
683 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
684 db_len = pci_resource_len(pdev, 4);
685
686 if (db_len == 0) {
687 printk(KERN_ERR "%s: doorbell is disabled\n",
688 netxen_nic_driver_name);
689 err = -EIO;
690 goto err_out;
691 }
692
693 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
694 if (!db_ptr) {
695 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
696 netxen_nic_driver_name);
697 err = -EIO;
698 goto err_out;
699 }
700
701skip_doorbell:
702 adapter->ahw.db_base = db_ptr;
703 adapter->ahw.db_len = db_len;
704 return 0;
705
706err_out:
707 netxen_cleanup_pci_map(adapter);
708 return err;
709}
710
2b9e62ee
DP		 711static void
712netxen_check_options(struct netxen_adapter *adapter)
713{
714 u32 fw_major, fw_minor, fw_build;
715 char brd_name[NETXEN_MAX_SHORT_NAME];
716 char serial_num[32];
717 int i, offset, val;
718 int *ptr32;
719 struct pci_dev *pdev = adapter->pdev;
720
721 adapter->driver_mismatch = 0;
722
723 ptr32 = (int *)&serial_num;
724 offset = NX_FW_SERIAL_NUM_OFFSET;
725 for (i = 0; i < 8; i++) {
726 if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
727 dev_err(&pdev->dev, "error reading board info\n");
728 adapter->driver_mismatch = 1;
729 return;
730 }
731 ptr32[i] = cpu_to_le32(val);
732 offset += sizeof(u32);
733 }
734
735 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
736 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
737 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
738
739 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
740
741 if (adapter->portnum == 0) {
742 get_brd_name_by_type(adapter->ahw.board_type, brd_name);
743
c25c0b9b
DP		 744 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
745 module_name(THIS_MODULE),
2b9e62ee
DP		 746 brd_name, serial_num, adapter->ahw.revision_id);
747 }
748
749 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
750 adapter->driver_mismatch = 1;
751 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
752 fw_major, fw_minor, fw_build);
753 return;
754 }
755
756 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
757 i = NXRD32(adapter, NETXEN_SRE_MISC);
758 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
759 }
760
761 dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n",
762 fw_major, fw_minor, fw_build,
763 adapter->ahw.cut_through ? "cut-through" : "legacy");
764
765 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
766 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
767
768 adapter->flags &= ~NETXEN_NIC_LRO_ENABLED;
769
770 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
771 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
772 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
773 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
774 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
775 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
776 }
777
778 adapter->msix_supported = 0;
779 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
780 adapter->msix_supported = !!use_msi_x;
781 adapter->rss_supported = !!use_msi_x;
083ba279
AKS		 782 } else {
783 u32 flashed_ver = 0;
784 netxen_rom_fast_read(adapter,
785 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
786 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
787
788 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
789 switch (adapter->ahw.board_type) {
790 case NETXEN_BRDTYPE_P2_SB31_10G:
791 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
792 adapter->msix_supported = !!use_msi_x;
793 adapter->rss_supported = !!use_msi_x;
794 break;
795 default:
796 break;
797 }
2b9e62ee
DP		 798 }
799 }
800
801 adapter->num_txd = MAX_CMD_DESCRIPTORS;
802
803 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
804 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
805 adapter->max_rds_rings = 3;
806 } else {
807 adapter->num_lro_rxd = 0;
808 adapter->max_rds_rings = 2;
809 }
810}
811
ba599d4f 812static int
6a581e93 813netxen_start_firmware(struct netxen_adapter *adapter)
ba599d4f
DP		 814{
815 int val, err, first_boot;
816 struct pci_dev *pdev = adapter->pdev;
817
2b9e62ee
DP		 818 /* required for NX2031 dummy dma */
819 err = nx_set_dma_mask(adapter);
820 if (err)
821 return err;
822
6a581e93 823 if (!netxen_can_start_firmware(adapter))
96f2ebd2 824 goto wait_init;
0b72e659 825
f98a9f69 826 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
ba599d4f
DP		 827
828 err = netxen_check_hw_init(adapter, first_boot);
829 if (err) {
830 dev_err(&pdev->dev, "error in init HW init sequence\n");
831 return err;
832 }
833
6a581e93 834 netxen_request_firmware(adapter);
f7185c71 835
67c38fc6 836 err = netxen_need_fw_reset(adapter);
1dbc84a7 837 if (err < 0)
db4cfd8a 838 goto err_out;
1dbc84a7 839 if (err == 0)
8f9b3f69 840 goto wait_init;
67c38fc6 841
ba599d4f 842 if (first_boot != 0x55555555) {
f98a9f69 843 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
0be367bd 844 netxen_pinit_from_rom(adapter);
ba599d4f
DP		 845 msleep(1);
846 }
567c6c4e 847
f98a9f69 848 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
6a581e93
DP		 849 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
850 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
851
567c6c4e
DP		 852 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
853 netxen_set_port_mode(adapter);
854
db4cfd8a
DP		 855 err = netxen_load_firmware(adapter);
856 if (err)
857 goto err_out;
ba599d4f 858
6a581e93
DP		 859 netxen_release_firmware(adapter);
860
ba599d4f
DP		 861 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
862
863 /* Initialize multicast addr pool owners */
864 val = 0x7654;
1e2d0059 865 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
ba599d4f 866 val |= 0x0f000000;
f98a9f69 867 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
ba599d4f
DP		 868
869 }
870
83ac51fa 871 err = netxen_init_dummy_dma(adapter);
ba599d4f 872 if (err)
db4cfd8a 873 goto err_out;
ba599d4f
DP		 874
875 /*
876 * Tell the hardware our version number.
877 */
878 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
879 | ((_NETXEN_NIC_LINUX_MINOR << 8))
880 | (_NETXEN_NIC_LINUX_SUBVERSION);
f98a9f69 881 NXWR32(adapter, CRB_DRIVER_VERSION, val);
ba599d4f 882
96f2ebd2 883wait_init:
ba599d4f
DP		 884 /* Handshake with the card before we register the devices. */
885 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
886 if (err) {
83ac51fa 887 netxen_free_dummy_dma(adapter);
db4cfd8a 888 goto err_out;
ba599d4f
DP		 889 }
890
8f9b3f69
AKS		 891 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
892
68b3cae0
DP		 893 nx_update_dma_mask(adapter);
894
6a581e93 895 netxen_check_options(adapter);
68b3cae0 896
74c520da
AKS		 897 adapter->need_fw_reset = 0;
898
ec5c50cb 899 /* fall through and release firmware */
db4cfd8a
DP		 900
901err_out:
902 netxen_release_firmware(adapter);
903 return err;
ba599d4f
DP		 904}
905
9f5bc7f1
DP		 906static int
907netxen_nic_request_irq(struct netxen_adapter *adapter)
908{
909 irq_handler_t handler;
d8b100c5
DP		 910 struct nx_host_sds_ring *sds_ring;
911 int err, ring;
912
9f5bc7f1
DP		 913 unsigned long flags = IRQF_SAMPLE_RANDOM;
914 struct net_device *netdev = adapter->netdev;
d8b100c5 915 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
9f5bc7f1 916
9f5bc7f1
DP		 917 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
918 handler = netxen_msix_intr;
919 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
920 handler = netxen_msi_intr;
921 else {
922 flags |= IRQF_SHARED;
923 handler = netxen_intr;
924 }
925 adapter->irq = netdev->irq;
926
d8b100c5
DP		 927 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
928 sds_ring = &recv_ctx->sds_rings[ring];
be339aee 929 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
d8b100c5
DP		 930 err = request_irq(sds_ring->irq, handler,
931 flags, sds_ring->name, sds_ring);
932 if (err)
933 return err;
934 }
935
936 return 0;
937}
938
939static void
940netxen_nic_free_irq(struct netxen_adapter *adapter)
941{
942 int ring;
943 struct nx_host_sds_ring *sds_ring;
944
945 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
946
947 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
948 sds_ring = &recv_ctx->sds_rings[ring];
949 free_irq(sds_ring->irq, sds_ring);
950 }
9f5bc7f1
DP		 951}
952
ca2ef330
DP		 953static void
954netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
955{
956 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
957 adapter->coal.normal.data.rx_time_us =
958 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
959 adapter->coal.normal.data.rx_packets =
960 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
961 adapter->coal.normal.data.tx_time_us =
962 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
963 adapter->coal.normal.data.tx_packets =
964 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
965}
966
6f771419 967/* with rtnl_lock */
9f5bc7f1 968static int
6f771419 969__netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
9f5bc7f1
DP		 970{
971 int err;
972
db4cfd8a
DP		 973 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
974 return -EIO;
975
9f5bc7f1
DP		 976 err = adapter->init_port(adapter, adapter->physical_port);
977 if (err) {
978 printk(KERN_ERR "%s: Failed to initialize port %d\n",
979 netxen_nic_driver_name, adapter->portnum);
980 return err;
981 }
3d0a3cc9 982 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
5d09e534 983 adapter->macaddr_set(adapter, adapter->mac_addr);
9f5bc7f1 984
3d0a3cc9
DP		 985 adapter->set_multi(netdev);
986 adapter->set_mtu(adapter, netdev->mtu);
9f5bc7f1
DP		 987
988 adapter->ahw.linkup = 0;
9f5bc7f1 989
d8b100c5
DP		 990 if (adapter->max_sds_rings > 1)
991 netxen_config_rss(adapter, 1);
9f5bc7f1 992
ca2ef330
DP		 993 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
994 netxen_config_intr_coalesce(adapter);
995
1bb482f8
NK		 996 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
997 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
998
b2af9cb0
DP		 999 netxen_napi_enable(adapter);
1000
5103c9f7 1001 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
3bf26ce3 1002 netxen_linkevent_request(adapter, 1);
3d0a3cc9
DP		 1003 else
1004 netxen_nic_set_link_parameters(adapter);
1005
6a581e93 1006 set_bit(__NX_DEV_UP, &adapter->state);
9f5bc7f1
DP		 1007 return 0;
1008}
1009
6f771419
AKS		 1010/* Usage: During resume and firmware recovery module.*/
1011
1012static inline int
1013netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1014{
1015 int err = 0;
1016
1017 rtnl_lock();
1018 if (netif_running(netdev))
1019 err = __netxen_nic_up(adapter, netdev);
1020 rtnl_unlock();
1021
1022 return err;
1023}
1024
1025/* with rtnl_lock */
9f5bc7f1 1026static void
6f771419 1027__netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
9f5bc7f1 1028{
db4cfd8a
DP		 1029 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1030 return;
1031
f2251f66
AKS		 1032 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1033 return;
6a581e93 1034
f2251f66 1035 smp_mb();
b2af9cb0 1036 spin_lock(&adapter->tx_clean_lock);
9f5bc7f1 1037 netif_carrier_off(netdev);
b2af9cb0 1038 netif_tx_disable(netdev);
9f5bc7f1
DP		 1039
1040 if (adapter->stop_port)
1041 adapter->stop_port(adapter);
1042
5cf4d323
DP		 1043 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1044 netxen_p3_free_mac_list(adapter);
1045
22b5794b
AKS		 1046 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1047
be339aee
DP		 1048 netxen_napi_disable(adapter);
1049
9f5bc7f1 1050 netxen_release_tx_buffers(adapter);
b2af9cb0 1051 spin_unlock(&adapter->tx_clean_lock);
9f5bc7f1
DP		 1052}
1053
6f771419
AKS		 1054/* Usage: During suspend and firmware recovery module */
1055
1056static inline void
1057netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1058{
1059 rtnl_lock();
1060 if (netif_running(netdev))
1061 __netxen_nic_down(adapter, netdev);
1062 rtnl_unlock();
1063
1064}
9f5bc7f1
DP		 1065
1066static int
1067netxen_nic_attach(struct netxen_adapter *adapter)
1068{
1069 struct net_device *netdev = adapter->netdev;
1070 struct pci_dev *pdev = adapter->pdev;
becf46a0 1071 int err, ring;
d8b100c5 1072 struct nx_host_rds_ring *rds_ring;
d877f1e3 1073 struct nx_host_tx_ring *tx_ring;
9f5bc7f1 1074
7042cd8f
AKS		 1075 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1076 return 0;
1077
9f5bc7f1 1078 err = netxen_init_firmware(adapter);
232e7d68
DP		 1079 if (err)
1080 return err;
1081
1082 err = netxen_napi_add(adapter, netdev);
1083 if (err)
1084 return err;
9f5bc7f1 1085
9f5bc7f1
DP		 1086 err = netxen_alloc_sw_resources(adapter);
1087 if (err) {
1088 printk(KERN_ERR "%s: Error in setting sw resources\n",
1089 netdev->name);
1090 return err;
1091 }
1092
9f5bc7f1
DP		 1093 err = netxen_alloc_hw_resources(adapter);
1094 if (err) {
1095 printk(KERN_ERR "%s: Error in setting hw resources\n",
1096 netdev->name);
1097 goto err_out_free_sw;
1098 }
1099
4f96b988 1100 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
4ea528a1 1101 tx_ring = adapter->tx_ring;
195c5f98
AKS		 1102 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1103 crb_cmd_producer[adapter->portnum]);
1104 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1105 crb_cmd_consumer[adapter->portnum]);
9f5bc7f1 1106
cb2107be
DP		 1107 tx_ring->producer = 0;
1108 tx_ring->sw_consumer = 0;
1109
1110 netxen_nic_update_cmd_producer(adapter, tx_ring);
1111 netxen_nic_update_cmd_consumer(adapter, tx_ring);
9f5bc7f1
DP		 1112 }
1113
d8b100c5
DP		 1114 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1115 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1116 netxen_post_rx_buffers(adapter, ring, rds_ring);
1117 }
9f5bc7f1
DP		 1118
1119 err = netxen_nic_request_irq(adapter);
1120 if (err) {
1121 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1122 netdev->name);
1123 goto err_out_free_rxbuf;
1124 }
1125
ca2ef330
DP		 1126 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1127 netxen_nic_init_coalesce_defaults(adapter);
1128
fa3ce355
NK		 1129 netxen_create_sysfs_entries(adapter);
1130
9f5bc7f1
DP		 1131 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1132 return 0;
1133
1134err_out_free_rxbuf:
1135 netxen_release_rx_buffers(adapter);
1136 netxen_free_hw_resources(adapter);
1137err_out_free_sw:
1138 netxen_free_sw_resources(adapter);
1139 return err;
1140}
1141
1142static void
1143netxen_nic_detach(struct netxen_adapter *adapter)
1144{
7042cd8f
AKS		 1145 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1146 return;
1147
fa3ce355
NK		 1148 netxen_remove_sysfs_entries(adapter);
1149
9f5bc7f1 1150 netxen_free_hw_resources(adapter);
cf981ffb 1151 netxen_release_rx_buffers(adapter);
be339aee 1152 netxen_nic_free_irq(adapter);
232e7d68 1153 netxen_napi_del(adapter);
9f5bc7f1
DP		 1154 netxen_free_sw_resources(adapter);
1155
1156 adapter->is_up = 0;
1157}
1158
7042cd8f
AKS		 1159int
1160netxen_nic_reset_context(struct netxen_adapter *adapter)
1161{
1162 int err = 0;
1163 struct net_device *netdev = adapter->netdev;
1164
6a581e93
DP		 1165 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1166 return -EBUSY;
1167
7042cd8f
AKS		 1168 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1169
6a581e93
DP		 1170 netif_device_detach(netdev);
1171
7042cd8f 1172 if (netif_running(netdev))
6f771419 1173 __netxen_nic_down(adapter, netdev);
7042cd8f
AKS		 1174
1175 netxen_nic_detach(adapter);
1176
6a581e93
DP		 1177 if (netif_running(netdev)) {
1178 err = netxen_nic_attach(adapter);
1179 if (!err)
6f771419 1180 err = __netxen_nic_up(adapter, netdev);
7042cd8f 1181
6a581e93
DP		 1182 if (err)
1183 goto done;
1184 }
1185
1186 netif_device_attach(netdev);
7042cd8f 1187 }
6a581e93 1188
7042cd8f 1189done:
6a581e93 1190 clear_bit(__NX_RESETTING, &adapter->state);
7042cd8f
AKS		 1191 return err;
1192}
1193
f17443f4
DP		 1194static int
1195netxen_setup_netdev(struct netxen_adapter *adapter,
1196 struct net_device *netdev)
1197{
1198 int err = 0;
1199 struct pci_dev *pdev = adapter->pdev;
1200
1201 adapter->rx_csum = 1;
1202 adapter->mc_enabled = 0;
1203 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1204 adapter->max_mc_count = 38;
1205 else
1206 adapter->max_mc_count = 16;
1207
1208 netdev->netdev_ops = &netxen_netdev_ops;
7a9905e6 1209 netdev->watchdog_timeo = 5*HZ;
f17443f4
DP		 1210
1211 netxen_nic_change_mtu(netdev, netdev->mtu);
1212
1213 SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
1214
1215 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
1216 netdev->features |= (NETIF_F_GRO);
1217 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
1218
1219 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1220 netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
1221 netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
1222 }
1223
1224 if (adapter->pci_using_dac) {
1225 netdev->features |= NETIF_F_HIGHDMA;
1226 netdev->vlan_features |= NETIF_F_HIGHDMA;
1227 }
1228
028afe71
DP		 1229 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1230 netdev->features |= (NETIF_F_HW_VLAN_TX);
1231
1bb482f8
NK		 1232 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1233 netdev->features |= NETIF_F_LRO;
1234
f17443f4
DP		 1235 netdev->irq = adapter->msix_entries[0].vector;
1236
74c520da 1237 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
f17443f4
DP		 1238
1239 if (netxen_read_mac_addr(adapter))
1240 dev_warn(&pdev->dev, "failed to read mac addr\n");
1241
1242 netif_carrier_off(netdev);
1243 netif_stop_queue(netdev);
1244
1245 err = register_netdev(netdev);
1246 if (err) {
1247 dev_err(&pdev->dev, "failed to register net device\n");
1248 return err;
1249 }
1250
1251 return 0;
1252}
1253
dce87b96 1254#ifdef CONFIG_PCIEAER
1255static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1256{
1257 struct pci_dev *pdev = adapter->pdev;
1258 struct pci_dev *root = pdev->bus->self;
1259 u32 aer_pos;
1260
1261 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1262 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1263 return;
1264
1265 if (root->pcie_type != PCI_EXP_TYPE_ROOT_PORT)
1266 return;
1267
1268 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1269 if (!aer_pos)
1270 return;
1271
1272 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1273}
1274#endif
1275
3d396eb1
AK		 1276static int __devinit
1277netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1278{
1279 struct net_device *netdev = NULL;
1280 struct netxen_adapter *adapter = NULL;
2956640d 1281 int i = 0, err;
3176ff3e 1282 int pci_func_id = PCI_FUNC(pdev->devfn);
2956640d 1283 uint8_t revision_id;
3d396eb1 1284
688328c7
EB		 1285 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1286 pr_warning("%s: chip revisions between 0x%x-0x%x "
11d89d63 1287 "will not be enabled.\n",
c25c0b9b 1288 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
11d89d63
DP		 1289 return -ENODEV;
1290 }
1291
3d396eb1
AK		 1292 if ((err = pci_enable_device(pdev)))
1293 return err;
2956640d 1294
3d396eb1
AK		 1295 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1296 err = -ENODEV;
1297 goto err_out_disable_pdev;
1298 }
1299
1300 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1301 goto err_out_disable_pdev;
1302
e87ad553
AKS		 1303 if (NX_IS_REVISION_P3(pdev->revision))
1304 pci_enable_pcie_error_reporting(pdev);
1305
3d396eb1 1306 pci_set_master(pdev);
3176ff3e
MT		 1307
1308 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1309 if(!netdev) {
f17443f4
DP		 1310 dev_err(&pdev->dev, "failed to allocate net_device\n");
1311 err = -ENOMEM;
3176ff3e
MT		 1312 goto err_out_free_res;
1313 }
1314
3176ff3e
MT		 1315 SET_NETDEV_DEV(netdev, &pdev->dev);
1316
4cf1653a 1317 adapter = netdev_priv(netdev);
2956640d
DP		 1318 adapter->netdev = netdev;
1319 adapter->pdev = pdev;
13ba9c77 1320 adapter->ahw.pci_func = pci_func_id;
2956640d
DP		 1321
1322 revision_id = pdev->revision;
1323 adapter->ahw.revision_id = revision_id;
1324
f03b0ebd
DP		 1325 rwlock_init(&adapter->ahw.crb_lock);
1326 spin_lock_init(&adapter->ahw.mem_lock);
1327
d8b100c5 1328 spin_lock_init(&adapter->tx_clean_lock);
5cf4d323 1329 INIT_LIST_HEAD(&adapter->mac_list);
3ce06a32 1330
97daee83
DP		 1331 err = netxen_setup_pci_map(adapter);
1332 if (err)
6c80b18d 1333 goto err_out_free_netdev;
3d396eb1 1334
2d1a3bbd 1335 /* This will be reset for mezz cards */
3176ff3e 1336 adapter->portnum = pci_func_id;
3176ff3e 1337
f17443f4
DP		 1338 err = netxen_nic_get_board_info(adapter);
1339 if (err) {
1340 dev_err(&pdev->dev, "Error getting board config info.\n");
dcd56fdb
DP		 1341 goto err_out_iounmap;
1342 }
6c80b18d 1343
dce87b96 1344#ifdef CONFIG_PCIEAER
1345 netxen_mask_aer_correctable(adapter);
1346#endif
1347
13ba9c77 1348 /* Mezz cards have PCI function 0,2,3 enabled */
1e2d0059 1349 switch (adapter->ahw.board_type) {
dc515f2e
DP		 1350 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1351 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1352 if (pci_func_id >= 2)
13ba9c77 1353 adapter->portnum = pci_func_id - 2;
dc515f2e
DP		 1354 break;
1355 default:
1356 break;
1357 }
13ba9c77 1358
6a581e93 1359 err = netxen_start_firmware(adapter);
0b72e659 1360 if (err)
8f9b3f69 1361 goto err_out_decr_ref;
f17443f4 1362
3d396eb1 1363 /*
6c80b18d 1364 * See if the firmware gave us a virtual-physical port mapping.
3d396eb1 1365 */
dcd56fdb 1366 adapter->physical_port = adapter->portnum;
4f96b988 1367 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
f98a9f69 1368 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
044fad0d
DP		 1369 if (i != 0x55555555)
1370 adapter->physical_port = i;
1371 }
6c80b18d 1372
6a581e93 1373 netxen_nic_clear_stats(adapter);
2956640d 1374
97daee83 1375 netxen_setup_intr(adapter);
2956640d 1376
f17443f4 1377 err = netxen_setup_netdev(adapter, netdev);
9dc28efe 1378 if (err)
2956640d 1379 goto err_out_disable_msi;
6c80b18d
MT		 1380
1381 pci_set_drvdata(pdev, adapter);
3d396eb1 1382
6a581e93
DP		 1383 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1384
1e2d0059 1385 switch (adapter->ahw.port_type) {
2956640d
DP		 1386 case NETXEN_NIC_GBE:
1387 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1388 adapter->netdev->name);
1389 break;
1390 case NETXEN_NIC_XGBE:
1391 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1392 adapter->netdev->name);
1393 break;
3d396eb1 1394 }
3d396eb1 1395
70f9cf89
DP		 1396 netxen_create_diag_entries(adapter);
1397
2956640d
DP		 1398 return 0;
1399
1400err_out_disable_msi:
97daee83 1401 netxen_teardown_intr(adapter);
6c80b18d 1402
83ac51fa 1403 netxen_free_dummy_dma(adapter);
3d396eb1 1404
8f9b3f69 1405err_out_decr_ref:
6a581e93
DP		 1406 nx_decr_dev_ref_cnt(adapter);
1407
2956640d 1408err_out_iounmap:
97daee83 1409 netxen_cleanup_pci_map(adapter);
cb8011ad 1410
6c80b18d
MT		 1411err_out_free_netdev:
1412 free_netdev(netdev);
1413
1414err_out_free_res:
3d396eb1 1415 pci_release_regions(pdev);
6c80b18d
MT		 1416
1417err_out_disable_pdev:
2956640d 1418 pci_set_drvdata(pdev, NULL);
3d396eb1
AK		 1419 pci_disable_device(pdev);
1420 return err;
1421}
1422
1423static void __devexit netxen_nic_remove(struct pci_dev *pdev)
1424{
1425 struct netxen_adapter *adapter;
3176ff3e 1426 struct net_device *netdev;
3d396eb1 1427
6c80b18d 1428 adapter = pci_get_drvdata(pdev);
3d396eb1
AK		 1429 if (adapter == NULL)
1430 return;
1431
6c80b18d
MT		 1432 netdev = adapter->netdev;
1433
6a581e93
DP		 1434 netxen_cancel_fw_work(adapter);
1435
96acb6eb
DP		 1436 unregister_netdev(netdev);
1437
e424fa9d
AKS		 1438 cancel_work_sync(&adapter->tx_timeout_task);
1439
7042cd8f 1440 netxen_nic_detach(adapter);
3d396eb1 1441
6a581e93
DP		 1442 nx_decr_dev_ref_cnt(adapter);
1443
439b454e 1444 if (adapter->portnum == 0)
83ac51fa 1445 netxen_free_dummy_dma(adapter);
96acb6eb 1446
6a581e93
DP		 1447 clear_bit(__NX_RESETTING, &adapter->state);
1448
97daee83 1449 netxen_teardown_intr(adapter);
3052246c 1450
70f9cf89
DP		 1451 netxen_remove_diag_entries(adapter);
1452
97daee83 1453 netxen_cleanup_pci_map(adapter);
595e3fb8 1454
f7185c71
DP		 1455 netxen_release_firmware(adapter);
1456
e87ad553
AKS		 1457 if (NX_IS_REVISION_P3(pdev->revision))
1458 pci_disable_pcie_error_reporting(pdev);
1459
595e3fb8 1460 pci_release_regions(pdev);
3052246c 1461 pci_disable_device(pdev);
595e3fb8
MT		 1462 pci_set_drvdata(pdev, NULL);
1463
6c80b18d 1464 free_netdev(netdev);
3d396eb1 1465}
e87ad553
AKS		 1466
1467static void netxen_nic_detach_func(struct netxen_adapter *adapter)
0b72e659 1468{
0b72e659
DP		 1469 struct net_device *netdev = adapter->netdev;
1470
1471 netif_device_detach(netdev);
1472
6a581e93
DP		 1473 netxen_cancel_fw_work(adapter);
1474
0b72e659
DP		 1475 if (netif_running(netdev))
1476 netxen_nic_down(adapter, netdev);
1477
e424fa9d
AKS		 1478 cancel_work_sync(&adapter->tx_timeout_task);
1479
7042cd8f 1480 netxen_nic_detach(adapter);
0b72e659 1481
22b5794b
AKS		 1482 if (adapter->portnum == 0)
1483 netxen_free_dummy_dma(adapter);
1484
6a581e93
DP		 1485 nx_decr_dev_ref_cnt(adapter);
1486
1487 clear_bit(__NX_RESETTING, &adapter->state);
22b5794b 1488}
0b72e659 1489
e87ad553 1490static int netxen_nic_attach_func(struct pci_dev *pdev)
0b72e659
DP		 1491{
1492 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1493 struct net_device *netdev = adapter->netdev;
1494 int err;
1495
0b72e659
DP		 1496 err = pci_enable_device(pdev);
1497 if (err)
1498 return err;
1499
bc86fcba
AKS		 1500 pci_set_power_state(pdev, PCI_D0);
1501 pci_set_master(pdev);
1502 pci_restore_state(pdev);
1503
907fa120 1504 adapter->ahw.crb_win = -1;
47abe356 1505 adapter->ahw.ocm_win = -1;
0b72e659 1506
6a581e93 1507 err = netxen_start_firmware(adapter);
0b72e659
DP		 1508 if (err) {
1509 dev_err(&pdev->dev, "failed to start firmware\n");
1510 return err;
1511 }
1512
1513 if (netif_running(netdev)) {
1514 err = netxen_nic_attach(adapter);
1515 if (err)
6a581e93 1516 goto err_out;
0b72e659
DP		 1517
1518 err = netxen_nic_up(adapter, netdev);
1519 if (err)
6a581e93 1520 goto err_out_detach;
0b72e659 1521
d0725e4d 1522 netxen_config_indev_addr(netdev, NETDEV_UP);
0b72e659
DP		 1523 }
1524
bc86fcba 1525 netif_device_attach(netdev);
6a581e93 1526 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
07653aa3 1527 return 0;
6a581e93
DP		 1528
1529err_out_detach:
1530 netxen_nic_detach(adapter);
1531err_out:
1532 nx_decr_dev_ref_cnt(adapter);
1533 return err;
0b72e659 1534}
e87ad553
AKS		 1535
1536static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1537 pci_channel_state_t state)
1538{
1539 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1540
1541 if (state == pci_channel_io_perm_failure)
1542 return PCI_ERS_RESULT_DISCONNECT;
1543
1544 if (nx_dev_request_aer(adapter))
1545 return PCI_ERS_RESULT_RECOVERED;
1546
1547 netxen_nic_detach_func(adapter);
1548
1549 pci_disable_device(pdev);
1550
1551 return PCI_ERS_RESULT_NEED_RESET;
1552}
1553
1554static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1555{
1556 int err = 0;
1557
1558 err = netxen_nic_attach_func(pdev);
1559
1560 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1561}
1562
1563static void netxen_io_resume(struct pci_dev *pdev)
1564{
1565 pci_cleanup_aer_uncorrect_error_status(pdev);
1566}
1567
1568static void netxen_nic_shutdown(struct pci_dev *pdev)
1569{
1570 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1571
1572 netxen_nic_detach_func(adapter);
1573
1574 if (pci_save_state(pdev))
1575 return;
1576
1577 if (netxen_nic_wol_supported(adapter)) {
1578 pci_enable_wake(pdev, PCI_D3cold, 1);
1579 pci_enable_wake(pdev, PCI_D3hot, 1);
1580 }
1581
1582 pci_disable_device(pdev);
1583}
1584
1585#ifdef CONFIG_PM
1586static int
1587netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1588{
1589 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1590 int retval;
1591
1592 netxen_nic_detach_func(adapter);
1593
1594 retval = pci_save_state(pdev);
1595 if (retval)
1596 return retval;
1597
1598 if (netxen_nic_wol_supported(adapter)) {
1599 pci_enable_wake(pdev, PCI_D3cold, 1);
1600 pci_enable_wake(pdev, PCI_D3hot, 1);
1601 }
1602
1603 pci_disable_device(pdev);
1604 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1605
1606 return 0;
1607}
1608
1609static int
1610netxen_nic_resume(struct pci_dev *pdev)
1611{
1612 return netxen_nic_attach_func(pdev);
1613}
01542cd1 1614#endif
0b72e659 1615
3d396eb1
AK		 1616static int netxen_nic_open(struct net_device *netdev)
1617{
4cf1653a 1618 struct netxen_adapter *adapter = netdev_priv(netdev);
3d396eb1 1619 int err = 0;
3d396eb1 1620
dcd56fdb
DP		 1621 if (adapter->driver_mismatch)
1622 return -EIO;
1623
7042cd8f
AKS		 1624 err = netxen_nic_attach(adapter);
1625 if (err)
1626 return err;
2956640d 1627
6f771419 1628 err = __netxen_nic_up(adapter, netdev);
9f5bc7f1
DP		 1629 if (err)
1630 goto err_out;
05aaa02d 1631
dcd56fdb 1632 netif_start_queue(netdev);
3d396eb1
AK		 1633
1634 return 0;
2956640d 1635
9f5bc7f1
DP		 1636err_out:
1637 netxen_nic_detach(adapter);
2956640d 1638 return err;
3d396eb1
AK		 1639}
1640
1641/*
1642 * netxen_nic_close - Disables a network interface entry point
1643 */
1644static int netxen_nic_close(struct net_device *netdev)
1645{
3176ff3e 1646 struct netxen_adapter *adapter = netdev_priv(netdev);
3d396eb1 1647
6f771419 1648 __netxen_nic_down(adapter, netdev);
3d396eb1
AK		 1649 return 0;
1650}
1651
1bcfd790
DP		 1652static void
1653netxen_tso_check(struct net_device *netdev,
1654 struct nx_host_tx_ring *tx_ring,
1655 struct cmd_desc_type0 *first_desc,
1656 struct sk_buff *skb)
cd1f8160 1657{
391587c3 1658 u8 opcode = TX_ETHER_PKT;
cdff1036 1659 __be16 protocol = skb->protocol;
028afe71 1660 u16 flags = 0, vid = 0;
1bcfd790 1661 u32 producer;
028afe71 1662 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1bcfd790 1663 struct cmd_desc_type0 *hwdesc;
028afe71 1664 struct vlan_ethhdr *vh;
cdff1036 1665
09640e63 1666 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
028afe71
DP		 1667
1668 vh = (struct vlan_ethhdr *)skb->data;
cdff1036
DP		 1669 protocol = vh->h_vlan_encapsulated_proto;
1670 flags = FLAGS_VLAN_TAGGED;
028afe71
DP		 1671
1672 } else if (vlan_tx_tag_present(skb)) {
1673
1674 flags = FLAGS_VLAN_OOB;
1675 vid = vlan_tx_tag_get(skb);
1676 netxen_set_tx_vlan_tci(first_desc, vid);
1677 vlan_oob = 1;
cdff1036 1678 }
cd1f8160 1679
391587c3
DP		 1680 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1681 skb_shinfo(skb)->gso_size > 0) {
1682
1bcfd790
DP		 1683 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1684
1685 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1686 first_desc->total_hdr_length = hdr_len;
028afe71
DP		 1687 if (vlan_oob) {
1688 first_desc->total_hdr_length += VLAN_HLEN;
1689 first_desc->tcp_hdr_offset = VLAN_HLEN;
1690 first_desc->ip_hdr_offset = VLAN_HLEN;
1691 /* Only in case of TSO on vlan device */
1692 flags |= FLAGS_VLAN_TAGGED;
1693 }
391587c3 1694
09640e63 1695 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
391587c3 1696 TX_TCP_LSO6 : TX_TCP_LSO;
1bcfd790 1697 tso = 1;
cd1f8160
DP		 1698
1699 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
391587c3
DP		 1700 u8 l4proto;
1701
09640e63 1702 if (protocol == cpu_to_be16(ETH_P_IP)) {
391587c3
DP		 1703 l4proto = ip_hdr(skb)->protocol;
1704
1705 if (l4proto == IPPROTO_TCP)
1706 opcode = TX_TCP_PKT;
1707 else if(l4proto == IPPROTO_UDP)
1708 opcode = TX_UDP_PKT;
09640e63 1709 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
391587c3
DP		 1710 l4proto = ipv6_hdr(skb)->nexthdr;
1711
1712 if (l4proto == IPPROTO_TCP)
1713 opcode = TX_TCPV6_PKT;
1714 else if(l4proto == IPPROTO_UDP)
1715 opcode = TX_UDPV6_PKT;
1716 }
cd1f8160 1717 }
028afe71
DP		 1718
1719 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1720 first_desc->ip_hdr_offset += skb_network_offset(skb);
1bcfd790
DP		 1721 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1722
1723 if (!tso)
1724 return;
1725
1726 /* For LSO, we need to copy the MAC/IP/TCP headers into
1727 * the descriptor ring
1728 */
1729 producer = tx_ring->producer;
1730 copied = 0;
1731 offset = 2;
1732
028afe71
DP		 1733 if (vlan_oob) {
1734 /* Create a TSO vlan header template for firmware */
1735
1736 hwdesc = &tx_ring->desc_head[producer];
1737 tx_ring->cmd_buf_arr[producer].skb = NULL;
1738
1739 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1740 hdr_len + VLAN_HLEN);
1741
1742 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1743 skb_copy_from_linear_data(skb, vh, 12);
1744 vh->h_vlan_proto = htons(ETH_P_8021Q);
1745 vh->h_vlan_TCI = htons(vid);
1746 skb_copy_from_linear_data_offset(skb, 12,
1747 (char *)vh + 16, copy_len - 16);
1748
545eb370 1749 copied = copy_len - VLAN_HLEN;
028afe71
DP		 1750 offset = 0;
1751
1752 producer = get_next_index(producer, tx_ring->num_desc);
1753 }
1754
1bcfd790
DP		 1755 while (copied < hdr_len) {
1756
1757 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1758 (hdr_len - copied));
1759
1760 hwdesc = &tx_ring->desc_head[producer];
1761 tx_ring->cmd_buf_arr[producer].skb = NULL;
1762
1763 skb_copy_from_linear_data_offset(skb, copied,
1764 (char *)hwdesc + offset, copy_len);
1765
1766 copied += copy_len;
1767 offset = 0;
1768
1769 producer = get_next_index(producer, tx_ring->num_desc);
1770 }
1771
1772 tx_ring->producer = producer;
1773 barrier();
cd1f8160
DP		 1774}
1775
ce644ed4
DP		 1776static int
1777netxen_map_tx_skb(struct pci_dev *pdev,
1778 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
6f703406 1779{
ce644ed4
DP		 1780 struct netxen_skb_frag *nf;
1781 struct skb_frag_struct *frag;
1782 int i, nr_frags;
1783 dma_addr_t map;
1784
1785 nr_frags = skb_shinfo(skb)->nr_frags;
1786 nf = &pbuf->frag_array[0];
1787
1788 map = pci_map_single(pdev, skb->data,
1789 skb_headlen(skb), PCI_DMA_TODEVICE);
1790 if (pci_dma_mapping_error(pdev, map))
1791 goto out_err;
6f703406 1792
ce644ed4
DP		 1793 nf->dma = map;
1794 nf->length = skb_headlen(skb);
1795
1796 for (i = 0; i < nr_frags; i++) {
1797 frag = &skb_shinfo(skb)->frags[i];
1798 nf = &pbuf->frag_array[i+1];
1799
1800 map = pci_map_page(pdev, frag->page, frag->page_offset,
1801 frag->size, PCI_DMA_TODEVICE);
1802 if (pci_dma_mapping_error(pdev, map))
1803 goto unwind;
1804
1805 nf->dma = map;
1806 nf->length = frag->size;
1807 }
1808
1809 return 0;
6f703406 1810
ce644ed4 1811unwind:
cf503e8f
DP		 1812 while (--i >= 0) {
1813 nf = &pbuf->frag_array[i+1];
ce644ed4 1814 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
6f703406 1815 }
ce644ed4
DP		 1816
1817 nf = &pbuf->frag_array[0];
1818 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
1819
1820out_err:
1821 return -ENOMEM;
6f703406
DP		 1822}
1823
d32cc3d2
DP		 1824static inline void
1825netxen_clear_cmddesc(u64 *desc)
1826{
1bcfd790
DP		 1827 desc[0] = 0ULL;
1828 desc[2] = 0ULL;
d32cc3d2
DP		 1829}
1830
61357325 1831static netdev_tx_t
d32cc3d2 1832netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
3d396eb1 1833{
3176ff3e 1834 struct netxen_adapter *adapter = netdev_priv(netdev);
4ea528a1 1835 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
391587c3 1836 struct netxen_cmd_buffer *pbuf;
3d396eb1 1837 struct netxen_skb_frag *buffrag;
1bcfd790
DP		 1838 struct cmd_desc_type0 *hwdesc, *first_desc;
1839 struct pci_dev *pdev;
391587c3 1840 int i, k;
3d396eb1 1841
cb2107be 1842 u32 producer;
ce644ed4 1843 int frag_count, no_of_desc;
d877f1e3 1844 u32 num_txd = tx_ring->num_desc;
3d396eb1 1845
3d396eb1
AK		 1846 frag_count = skb_shinfo(skb)->nr_frags + 1;
1847
d877f1e3 1848 /* 4 fragments per cmd des */
3d396eb1 1849 no_of_desc = (frag_count + 3) >> 2;
53a01e00 1850
7a9905e6 1851 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
ba53e6b4 1852 netif_stop_queue(netdev);
7a9905e6
RB		 1853 smp_mb();
1854 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
1855 netif_start_queue(netdev);
1856 else
1857 return NETDEV_TX_BUSY;
53a01e00 1858 }
3d396eb1 1859
cb2107be 1860 producer = tx_ring->producer;
ce644ed4 1861 pbuf = &tx_ring->cmd_buf_arr[producer];
cb2107be 1862
1bcfd790 1863 pdev = adapter->pdev;
391587c3 1864
ce644ed4 1865 if (netxen_map_tx_skb(pdev, skb, pbuf))
1bcfd790 1866 goto drop_packet;
391587c3 1867
3d396eb1 1868 pbuf->skb = skb;
3d396eb1 1869 pbuf->frag_count = frag_count;
6f703406 1870
1bcfd790
DP		 1871 first_desc = hwdesc = &tx_ring->desc_head[producer];
1872 netxen_clear_cmddesc((u64 *)hwdesc);
3d396eb1 1873
ce644ed4
DP		 1874 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
1875 netxen_set_tx_port(first_desc, adapter->portnum);
3d396eb1 1876
ce644ed4 1877 for (i = 0; i < frag_count; i++) {
3d396eb1 1878
ce644ed4
DP		 1879 k = i % 4;
1880
1881 if ((k == 0) && (i > 0)) {
1882 /* move to next desc.*/
ba53e6b4 1883 producer = get_next_index(producer, num_txd);
d877f1e3 1884 hwdesc = &tx_ring->desc_head[producer];
d32cc3d2 1885 netxen_clear_cmddesc((u64 *)hwdesc);
ce644ed4 1886 tx_ring->cmd_buf_arr[producer].skb = NULL;
6f703406 1887 }
3d396eb1 1888
ce644ed4 1889 buffrag = &pbuf->frag_array[i];
3d396eb1 1890
ce644ed4 1891 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
3d396eb1
AK		 1892 switch (k) {
1893 case 0:
ce644ed4 1894 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
3d396eb1
AK		 1895 break;
1896 case 1:
ce644ed4 1897 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
3d396eb1
AK		 1898 break;
1899 case 2:
ce644ed4 1900 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
3d396eb1
AK		 1901 break;
1902 case 3:
ce644ed4 1903 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
3d396eb1
AK		 1904 break;
1905 }
3d396eb1 1906 }
ce644ed4 1907
1bcfd790 1908 tx_ring->producer = get_next_index(producer, num_txd);
3d396eb1 1909
1bcfd790 1910 netxen_tso_check(netdev, tx_ring, first_desc, skb);
6c80b18d 1911
cb2107be 1912 netxen_nic_update_cmd_producer(adapter, tx_ring);
3d396eb1 1913
1bcfd790 1914 adapter->stats.txbytes += skb->len;
ba53e6b4 1915 adapter->stats.xmitcalled++;
3d396eb1 1916
3d396eb1 1917 return NETDEV_TX_OK;
6f703406
DP		 1918
1919drop_packet:
1920 adapter->stats.txdropped++;
1921 dev_kfree_skb_any(skb);
1922 return NETDEV_TX_OK;
3d396eb1
AK		 1923}
1924
a97342f9
DP		 1925static int netxen_nic_check_temp(struct netxen_adapter *adapter)
1926{
1927 struct net_device *netdev = adapter->netdev;
1928 uint32_t temp, temp_state, temp_val;
1929 int rv = 0;
1930
f98a9f69 1931 temp = NXRD32(adapter, CRB_TEMP_STATE);
a97342f9
DP		 1932
1933 temp_state = nx_get_temp_state(temp);
1934 temp_val = nx_get_temp_val(temp);
1935
1936 if (temp_state == NX_TEMP_PANIC) {
1937 printk(KERN_ALERT
1938 "%s: Device temperature %d degrees C exceeds"
1939 " maximum allowed. Hardware has been shut down.\n",
e4135c2d 1940 netdev->name, temp_val);
a97342f9
DP		 1941 rv = 1;
1942 } else if (temp_state == NX_TEMP_WARN) {
1943 if (adapter->temp == NX_TEMP_NORMAL) {
1944 printk(KERN_ALERT
1945 "%s: Device temperature %d degrees C "
1946 "exceeds operating range."
1947 " Immediate action needed.\n",
e4135c2d 1948 netdev->name, temp_val);
a97342f9
DP		 1949 }
1950 } else {
1951 if (adapter->temp == NX_TEMP_WARN) {
1952 printk(KERN_INFO
1953 "%s: Device temperature is now %d degrees C"
e4135c2d 1954 " in normal range.\n", netdev->name,
a97342f9
DP		 1955 temp_val);
1956 }
1957 }
1958 adapter->temp = temp_state;
1959 return rv;
1960}
1961
3bf26ce3 1962void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
a97342f9
DP		 1963{
1964 struct net_device *netdev = adapter->netdev;
a97342f9
DP		 1965
1966 if (adapter->ahw.linkup && !linkup) {
1967 printk(KERN_INFO "%s: %s NIC Link is down\n",
1968 netxen_nic_driver_name, netdev->name);
1969 adapter->ahw.linkup = 0;
1970 if (netif_running(netdev)) {
1971 netif_carrier_off(netdev);
1972 netif_stop_queue(netdev);
1973 }
e424fa9d 1974 adapter->link_changed = !adapter->has_link_events;
a97342f9
DP		 1975 } else if (!adapter->ahw.linkup && linkup) {
1976 printk(KERN_INFO "%s: %s NIC Link is up\n",
1977 netxen_nic_driver_name, netdev->name);
1978 adapter->ahw.linkup = 1;
1979 if (netif_running(netdev)) {
1980 netif_carrier_on(netdev);
1981 netif_wake_queue(netdev);
1982 }
e424fa9d 1983 adapter->link_changed = !adapter->has_link_events;
a97342f9
DP		 1984 }
1985}
1986
3bf26ce3
DP		 1987static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
1988{
1989 u32 val, port, linkup;
1990
1991 port = adapter->physical_port;
1992
1993 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
f98a9f69 1994 val = NXRD32(adapter, CRB_XG_STATE_P3);
3bf26ce3
DP		 1995 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
1996 linkup = (val == XG_LINK_UP_P3);
1997 } else {
f98a9f69 1998 val = NXRD32(adapter, CRB_XG_STATE);
a4b751d8
SC		 1999 val = (val >> port*8) & 0xff;
2000 linkup = (val == XG_LINK_UP);
3bf26ce3
DP		 2001 }
2002
2003 netxen_advert_link_change(adapter, linkup);
2004}
2005
3d396eb1
AK		 2006static void netxen_tx_timeout(struct net_device *netdev)
2007{
e424fa9d 2008 struct netxen_adapter *adapter = netdev_priv(netdev);
f17443f4 2009
6a581e93
DP		 2010 if (test_bit(__NX_RESETTING, &adapter->state))
2011 return;
2012
f17443f4 2013 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
e424fa9d 2014 schedule_work(&adapter->tx_timeout_task);
3d396eb1
AK		 2015}
2016
74c520da 2017static void netxen_tx_timeout_task(struct work_struct *work)
3d396eb1 2018{
4790654c 2019 struct netxen_adapter *adapter =
3176ff3e 2020 container_of(work, struct netxen_adapter, tx_timeout_task);
3d396eb1 2021
b2af9cb0
DP		 2022 if (!netif_running(adapter->netdev))
2023 return;
2024
74c520da 2025 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
6a581e93
DP		 2026 return;
2027
74c520da
AKS		 2028 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2029 goto request_reset;
2030
16d884bd 2031 rtnl_lock();
74c520da
AKS		 2032 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2033 /* try to scrub interrupt */
2034 netxen_napi_disable(adapter);
ba53e6b4 2035
74c520da
AKS		 2036 netxen_napi_enable(adapter);
2037
2038 netif_wake_queue(adapter->netdev);
2039
a598ae17 2040 clear_bit(__NX_RESETTING, &adapter->state);
74c520da 2041 } else {
a598ae17 2042 clear_bit(__NX_RESETTING, &adapter->state);
16d884bd
AKS		 2043 if (netxen_nic_reset_context(adapter)) {
2044 rtnl_unlock();
2045 goto request_reset;
74c520da 2046 }
74c520da 2047 }
16d884bd
AKS		 2048 adapter->netdev->trans_start = jiffies;
2049 rtnl_unlock();
2050 return;
74c520da
AKS		 2051
2052request_reset:
2053 adapter->need_fw_reset = 1;
ff8a306d 2054 clear_bit(__NX_RESETTING, &adapter->state);
3d396eb1
AK		 2055}
2056
7e12bb0a 2057static struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
a97342f9
DP		 2058{
2059 struct netxen_adapter *adapter = netdev_priv(netdev);
5a4d6311 2060 struct net_device_stats *stats = &netdev->stats;
a97342f9 2061
1bb482f8 2062 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
e98e3350 2063 stats->tx_packets = adapter->stats.xmitfinished;
a97342f9 2064 stats->rx_bytes = adapter->stats.rxbytes;
a97342f9 2065 stats->tx_bytes = adapter->stats.txbytes;
a97342f9 2066 stats->rx_dropped = adapter->stats.rxdropped;
a97342f9
DP		 2067 stats->tx_dropped = adapter->stats.txdropped;
2068
2069 return stats;
2070}
2071
e4c93c81 2072static irqreturn_t netxen_intr(int irq, void *data)
3d396eb1 2073{
d8b100c5
DP		 2074 struct nx_host_sds_ring *sds_ring = data;
2075 struct netxen_adapter *adapter = sds_ring->adapter;
d71e1be8
DP		 2076 u32 status = 0;
2077
195c5f98 2078 status = readl(adapter->isr_int_vec);
d71e1be8 2079
195c5f98 2080 if (!(status & adapter->int_vec_bit))
05aaa02d 2081 return IRQ_NONE;
e01872af 2082
195c5f98 2083 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
d71e1be8 2084 /* check interrupt state machine, to be sure */
195c5f98 2085 status = readl(adapter->crb_int_state_reg);
d71e1be8
DP		 2086 if (!ISR_LEGACY_INT_TRIGGERED(status))
2087 return IRQ_NONE;
2088
092bc571
DP		 2089 } else {
2090 unsigned long our_int = 0;
d71e1be8 2091
195c5f98 2092 our_int = readl(adapter->crb_int_state_reg);
092bc571 2093
d71e1be8 2094 /* not our interrupt */
092bc571 2095 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
d71e1be8
DP		 2096 return IRQ_NONE;
2097
092bc571 2098 /* claim interrupt */
195c5f98 2099 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
e01872af 2100
195c5f98 2101 /* clear interrupt */
d8b100c5 2102 netxen_nic_disable_int(sds_ring);
195c5f98 2103 }
092bc571 2104
195c5f98 2105 writel(0xffffffff, adapter->tgt_status_reg);
092bc571 2106 /* read twice to ensure write is flushed */
195c5f98
AKS		 2107 readl(adapter->isr_int_vec);
2108 readl(adapter->isr_int_vec);
092bc571 2109
d8b100c5 2110 napi_schedule(&sds_ring->napi);
3d396eb1
AK		 2111
2112 return IRQ_HANDLED;
2113}
2114
e4c93c81 2115static irqreturn_t netxen_msi_intr(int irq, void *data)
05aaa02d 2116{
d8b100c5
DP		 2117 struct nx_host_sds_ring *sds_ring = data;
2118 struct netxen_adapter *adapter = sds_ring->adapter;
05aaa02d 2119
092bc571 2120 /* clear interrupt */
195c5f98 2121 writel(0xffffffff, adapter->tgt_status_reg);
092bc571 2122
d8b100c5 2123 napi_schedule(&sds_ring->napi);
05aaa02d
DP		 2124 return IRQ_HANDLED;
2125}
2126
b3df68f8
DP		 2127static irqreturn_t netxen_msix_intr(int irq, void *data)
2128{
d8b100c5 2129 struct nx_host_sds_ring *sds_ring = data;
b3df68f8 2130
d8b100c5 2131 napi_schedule(&sds_ring->napi);
b3df68f8
DP		 2132 return IRQ_HANDLED;
2133}
2134
bea3348e 2135static int netxen_nic_poll(struct napi_struct *napi, int budget)
3d396eb1 2136{
d8b100c5
DP		 2137 struct nx_host_sds_ring *sds_ring =
2138 container_of(napi, struct nx_host_sds_ring, napi);
2139
2140 struct netxen_adapter *adapter = sds_ring->adapter;
2141
05aaa02d 2142 int tx_complete;
bea3348e 2143 int work_done;
3d396eb1 2144
05aaa02d 2145 tx_complete = netxen_process_cmd_ring(adapter);
3d396eb1 2146
d8b100c5 2147 work_done = netxen_process_rcv_ring(sds_ring, budget);
3d396eb1 2148
05aaa02d 2149 if ((work_done < budget) && tx_complete) {
d8b100c5 2150 napi_complete(&sds_ring->napi);
f2251f66 2151 if (test_bit(__NX_DEV_UP, &adapter->state))
b2af9cb0 2152 netxen_nic_enable_int(sds_ring);
3d396eb1
AK		 2153 }
2154
bea3348e 2155 return work_done;
3d396eb1
AK		 2156}
2157
2158#ifdef CONFIG_NET_POLL_CONTROLLER
2159static void netxen_nic_poll_controller(struct net_device *netdev)
2160{
7b589a35
YL		 2161 int ring;
2162 struct nx_host_sds_ring *sds_ring;
3176ff3e 2163 struct netxen_adapter *adapter = netdev_priv(netdev);
7b589a35
YL		 2164 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2165
3d396eb1 2166 disable_irq(adapter->irq);
7b589a35
YL		 2167 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2168 sds_ring = &recv_ctx->sds_rings[ring];
2169 netxen_intr(adapter->irq, sds_ring);
2170 }
3d396eb1
AK		 2171 enable_irq(adapter->irq);
2172}
2173#endif
3d396eb1 2174
6a581e93
DP		 2175static int
2176nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2177{
2178 int count;
2179 if (netxen_api_lock(adapter))
2180 return -EIO;
2181
2182 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2183
2184 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2185
2186 netxen_api_unlock(adapter);
2187 return count;
2188}
2189
2190static int
2191nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2192{
2193 int count;
2194 if (netxen_api_lock(adapter))
2195 return -EIO;
2196
2197 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2198 WARN_ON(count == 0);
2199
2200 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2201
2202 if (count == 0)
2203 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2204
2205 netxen_api_unlock(adapter);
2206 return count;
2207}
2208
e87ad553
AKS		 2209static int
2210nx_dev_request_aer(struct netxen_adapter *adapter)
2211{
2212 u32 state;
2213 int ret = -EINVAL;
2214
2215 if (netxen_api_lock(adapter))
2216 return ret;
2217
2218 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2219
2220 if (state == NX_DEV_NEED_AER)
2221 ret = 0;
2222 else if (state == NX_DEV_READY) {
2223 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2224 ret = 0;
2225 }
2226
2227 netxen_api_unlock(adapter);
2228 return ret;
2229}
2230
2231static int
74c520da
AKS		 2232nx_dev_request_reset(struct netxen_adapter *adapter)
2233{
2234 u32 state;
e87ad553 2235 int ret = -EINVAL;
74c520da
AKS		 2236
2237 if (netxen_api_lock(adapter))
e87ad553 2238 return ret;
74c520da
AKS		 2239
2240 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2241
e87ad553
AKS		 2242 if (state == NX_DEV_NEED_RESET)
2243 ret = 0;
2244 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
74c520da 2245 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
e87ad553
AKS		 2246 ret = 0;
2247 }
74c520da
AKS		 2248
2249 netxen_api_unlock(adapter);
e87ad553
AKS		 2250
2251 return ret;
74c520da
AKS		 2252}
2253
6a581e93
DP		 2254static int
2255netxen_can_start_firmware(struct netxen_adapter *adapter)
2256{
2257 int count;
2258 int can_start = 0;
2259
2260 if (netxen_api_lock(adapter))
2261 return 0;
2262
2263 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2264
2265 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2266 count = 0;
2267
2268 if (count == 0) {
2269 can_start = 1;
2270 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2271 }
2272
2273 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2274
2275 netxen_api_unlock(adapter);
2276
2277 return can_start;
2278}
2279
2280static void
2281netxen_schedule_work(struct netxen_adapter *adapter,
2282 work_func_t func, int delay)
2283{
2284 INIT_DELAYED_WORK(&adapter->fw_work, func);
2285 schedule_delayed_work(&adapter->fw_work, delay);
2286}
2287
2288static void
2289netxen_cancel_fw_work(struct netxen_adapter *adapter)
2290{
2291 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2292 msleep(10);
2293
2294 cancel_delayed_work_sync(&adapter->fw_work);
2295}
2296
2297static void
2298netxen_attach_work(struct work_struct *work)
2299{
2300 struct netxen_adapter *adapter = container_of(work,
2301 struct netxen_adapter, fw_work.work);
2302 struct net_device *netdev = adapter->netdev;
2303 int err = 0;
2304
2305 if (netif_running(netdev)) {
2306 err = netxen_nic_attach(adapter);
2307 if (err)
2308 goto done;
2309
2310 err = netxen_nic_up(adapter, netdev);
2311 if (err) {
2312 netxen_nic_detach(adapter);
2313 goto done;
2314 }
2315
d0725e4d 2316 netxen_config_indev_addr(netdev, NETDEV_UP);
6a581e93
DP		 2317 }
2318
2319 netif_device_attach(netdev);
2320
2321done:
2322 adapter->fw_fail_cnt = 0;
2323 clear_bit(__NX_RESETTING, &adapter->state);
2324 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2325}
2326
2327static void
2328netxen_fwinit_work(struct work_struct *work)
2329{
2330 struct netxen_adapter *adapter = container_of(work,
2331 struct netxen_adapter, fw_work.work);
2332 int dev_state;
2333
2334 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2335
2336 switch (dev_state) {
2337 case NX_DEV_COLD:
2338 case NX_DEV_READY:
74c520da
AKS		 2339 if (!netxen_start_firmware(adapter)) {
2340 netxen_schedule_work(adapter, netxen_attach_work, 0);
2341 return;
2342 }
2343 break;
6a581e93 2344
6b50ea15 2345 case NX_DEV_NEED_RESET:
6a581e93
DP		 2346 case NX_DEV_INITALIZING:
2347 if (++adapter->fw_wait_cnt < FW_POLL_THRESH) {
2348 netxen_schedule_work(adapter,
2349 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2350 return;
2351 }
6a581e93
DP		 2352
2353 case NX_DEV_FAILED:
2354 default:
8f9b3f69 2355 nx_incr_dev_ref_cnt(adapter);
6a581e93
DP		 2356 break;
2357 }
2358
6a581e93
DP		 2359 clear_bit(__NX_RESETTING, &adapter->state);
2360}
2361
2362static void
2363netxen_detach_work(struct work_struct *work)
2364{
2365 struct netxen_adapter *adapter = container_of(work,
2366 struct netxen_adapter, fw_work.work);
2367 struct net_device *netdev = adapter->netdev;
2368 int ref_cnt, delay;
2369 u32 status;
2370
2371 netif_device_detach(netdev);
2372
6f771419 2373 netxen_nic_down(adapter, netdev);
6a581e93 2374
e15eec28 2375 rtnl_lock();
6a581e93 2376 netxen_nic_detach(adapter);
e15eec28 2377 rtnl_unlock();
6a581e93
DP		 2378
2379 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2380
6a581e93 2381 if (status & NX_RCODE_FATAL_ERROR)
8f9b3f69 2382 goto err_ret;
6a581e93
DP		 2383
2384 if (adapter->temp == NX_TEMP_PANIC)
8f9b3f69
AKS		 2385 goto err_ret;
2386
2387 ref_cnt = nx_decr_dev_ref_cnt(adapter);
6a581e93 2388
6b50ea15
AKS		 2389 if (ref_cnt == -EIO)
2390 goto err_ret;
2391
6a581e93
DP		 2392 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2393
2394 adapter->fw_wait_cnt = 0;
2395 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
8f9b3f69
AKS		 2396
2397 return;
2398
2399err_ret:
2400 clear_bit(__NX_RESETTING, &adapter->state);
6a581e93
DP		 2401}
2402
2403static int
2404netxen_check_health(struct netxen_adapter *adapter)
2405{
2406 u32 state, heartbit;
2407 struct net_device *netdev = adapter->netdev;
2408
e87ad553
AKS		 2409 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2410 if (state == NX_DEV_NEED_AER)
2411 return 0;
2412
6a581e93
DP		 2413 if (netxen_nic_check_temp(adapter))
2414 goto detach;
2415
74c520da 2416 if (adapter->need_fw_reset) {
e87ad553
AKS		 2417 if (nx_dev_request_reset(adapter))
2418 return 0;
74c520da
AKS		 2419 goto detach;
2420 }
2421
e87ad553
AKS		 2422 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2423 * 1. Tx timeout 2. Fw hang
2424 * Send request to destroy context in case of tx timeout only
2425 * and doesn't required in case of Fw hang
2426 */
6a808c6c
AKS		 2427 if (state == NX_DEV_NEED_RESET) {
2428 adapter->need_fw_reset = 1;
e87ad553
AKS		 2429 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2430 goto detach;
6a808c6c 2431 }
6a581e93
DP		 2432
2433 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2434 return 0;
2435
2436 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2437 if (heartbit != adapter->heartbit) {
2438 adapter->heartbit = heartbit;
2439 adapter->fw_fail_cnt = 0;
e87ad553
AKS		 2440 if (adapter->need_fw_reset)
2441 goto detach;
6a581e93
DP		 2442 return 0;
2443 }
2444
2445 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2446 return 0;
2447
e87ad553
AKS		 2448 if (nx_dev_request_reset(adapter))
2449 return 0;
2450
6a581e93
DP		 2451 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2452
2453 dev_info(&netdev->dev, "firmware hang detected\n");
2454
2455detach:
caa2dd53
NK		 2456 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2457 !test_and_set_bit(__NX_RESETTING, &adapter->state))
6a581e93
DP		 2458 netxen_schedule_work(adapter, netxen_detach_work, 0);
2459 return 1;
2460}
2461
2462static void
2463netxen_fw_poll_work(struct work_struct *work)
2464{
2465 struct netxen_adapter *adapter = container_of(work,
2466 struct netxen_adapter, fw_work.work);
2467
2468 if (test_bit(__NX_RESETTING, &adapter->state))
2469 goto reschedule;
2470
2471 if (test_bit(__NX_DEV_UP, &adapter->state)) {
2472 if (!adapter->has_link_events) {
2473
2474 netxen_nic_handle_phy_intr(adapter);
2475
2476 if (adapter->link_changed)
2477 netxen_nic_set_link_parameters(adapter);
2478 }
2479 }
2480
2481 if (netxen_check_health(adapter))
2482 return;
2483
2484reschedule:
2485 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2486}
2487
fa3ce355
NK		 2488static ssize_t
2489netxen_store_bridged_mode(struct device *dev,
2490 struct device_attribute *attr, const char *buf, size_t len)
2491{
2492 struct net_device *net = to_net_dev(dev);
2493 struct netxen_adapter *adapter = netdev_priv(net);
2494 unsigned long new;
2495 int ret = -EINVAL;
2496
2497 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2498 goto err_out;
2499
2500 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2501 goto err_out;
2502
2503 if (strict_strtoul(buf, 2, &new))
2504 goto err_out;
2505
2506 if (!netxen_config_bridged_mode(adapter, !!new))
2507 ret = len;
2508
2509err_out:
2510 return ret;
2511}
2512
2513static ssize_t
2514netxen_show_bridged_mode(struct device *dev,
2515 struct device_attribute *attr, char *buf)
2516{
2517 struct net_device *net = to_net_dev(dev);
2518 struct netxen_adapter *adapter;
2519 int bridged_mode = 0;
2520
2521 adapter = netdev_priv(net);
2522
2523 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2524 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2525
2526 return sprintf(buf, "%d\n", bridged_mode);
2527}
2528
2529static struct device_attribute dev_attr_bridged_mode = {
2530 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2531 .show = netxen_show_bridged_mode,
2532 .store = netxen_store_bridged_mode,
2533};
2534
70f9cf89
DP		 2535static ssize_t
2536netxen_store_diag_mode(struct device *dev,
2537 struct device_attribute *attr, const char *buf, size_t len)
2538{
2539 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2540 unsigned long new;
2541
2542 if (strict_strtoul(buf, 2, &new))
2543 return -EINVAL;
2544
2545 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2546 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2547
2548 return len;
2549}
2550
2551static ssize_t
2552netxen_show_diag_mode(struct device *dev,
2553 struct device_attribute *attr, char *buf)
2554{
2555 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2556
2557 return sprintf(buf, "%d\n",
2558 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2559}
2560
2561static struct device_attribute dev_attr_diag_mode = {
2562 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2563 .show = netxen_show_diag_mode,
2564 .store = netxen_store_diag_mode,
2565};
2566
2567static int
2568netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2569 loff_t offset, size_t size)
2570{
0b9715e6
AKS		 2571 size_t crb_size = 4;
2572
70f9cf89
DP		 2573 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2574 return -EIO;
2575
0b9715e6
AKS		 2576 if (offset < NETXEN_PCI_CRBSPACE) {
2577 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2578 return -EINVAL;
70f9cf89 2579
0b9715e6
AKS		 2580 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2581 NETXEN_PCI_CAMQM_2M_END))
2582 crb_size = 8;
2583 else
2584 return -EINVAL;
2585 }
2586
2587 if ((size != crb_size) || (offset & (crb_size-1)))
2588 return -EINVAL;
70f9cf89
DP		 2589
2590 return 0;
2591}
2592
2593static ssize_t
2c3c8bea
CW		 2594netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2595 struct bin_attribute *attr,
70f9cf89
DP		 2596 char *buf, loff_t offset, size_t size)
2597{
2598 struct device *dev = container_of(kobj, struct device, kobj);
2599 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2600 u32 data;
0b9715e6 2601 u64 qmdata;
70f9cf89
DP		 2602 int ret;
2603
2604 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2605 if (ret != 0)
2606 return ret;
2607
0b9715e6
AKS		 2608 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2609 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2610 NETXEN_PCI_CAMQM_2M_END)) {
2611 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2612 memcpy(buf, &qmdata, size);
2613 } else {
2614 data = NXRD32(adapter, offset);
2615 memcpy(buf, &data, size);
2616 }
2617
70f9cf89
DP		 2618 return size;
2619}
2620
2621static ssize_t
2c3c8bea
CW		 2622netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2623 struct bin_attribute *attr,
70f9cf89
DP		 2624 char *buf, loff_t offset, size_t size)
2625{
2626 struct device *dev = container_of(kobj, struct device, kobj);
2627 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2628 u32 data;
0b9715e6 2629 u64 qmdata;
70f9cf89
DP		 2630 int ret;
2631
2632 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2633 if (ret != 0)
2634 return ret;
2635
0b9715e6
AKS		 2636 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2637 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2638 NETXEN_PCI_CAMQM_2M_END)) {
2639 memcpy(&qmdata, buf, size);
2640 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2641 } else {
2642 memcpy(&data, buf, size);
2643 NXWR32(adapter, offset, data);
2644 }
2645
70f9cf89
DP		 2646 return size;
2647}
2648
2649static int
2650netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2651 loff_t offset, size_t size)
2652{
2653 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2654 return -EIO;
2655
2656 if ((size != 8) || (offset & 0x7))
2657 return -EIO;
2658
2659 return 0;
2660}
2661
2662static ssize_t
2c3c8bea
CW		 2663netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2664 struct bin_attribute *attr,
70f9cf89
DP		 2665 char *buf, loff_t offset, size_t size)
2666{
2667 struct device *dev = container_of(kobj, struct device, kobj);
2668 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2669 u64 data;
2670 int ret;
2671
2672 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2673 if (ret != 0)
2674 return ret;
2675
2676 if (adapter->pci_mem_read(adapter, offset, &data))
2677 return -EIO;
2678
2679 memcpy(buf, &data, size);
2680
2681 return size;
2682}
2683
2c3c8bea 2684static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
70f9cf89
DP		 2685 struct bin_attribute *attr, char *buf,
2686 loff_t offset, size_t size)
2687{
2688 struct device *dev = container_of(kobj, struct device, kobj);
2689 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2690 u64 data;
2691 int ret;
2692
2693 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2694 if (ret != 0)
2695 return ret;
2696
2697 memcpy(&data, buf, size);
2698
2699 if (adapter->pci_mem_write(adapter, offset, data))
2700 return -EIO;
2701
2702 return size;
2703}
2704
2705
2706static struct bin_attribute bin_attr_crb = {
2707 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
2708 .size = 0,
2709 .read = netxen_sysfs_read_crb,
2710 .write = netxen_sysfs_write_crb,
2711};
2712
2713static struct bin_attribute bin_attr_mem = {
2714 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
2715 .size = 0,
2716 .read = netxen_sysfs_read_mem,
2717 .write = netxen_sysfs_write_mem,
2718};
2719
caa2dd53 2720
fa3ce355
NK		 2721static void
2722netxen_create_sysfs_entries(struct netxen_adapter *adapter)
2723{
2724 struct net_device *netdev = adapter->netdev;
2725 struct device *dev = &netdev->dev;
2726
2727 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
2728 /* bridged_mode control */
2729 if (device_create_file(dev, &dev_attr_bridged_mode)) {
2730 dev_warn(&netdev->dev,
2731 "failed to create bridged_mode sysfs entry\n");
2732 }
2733 }
2734}
2735
2736static void
2737netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
2738{
2739 struct net_device *netdev = adapter->netdev;
2740 struct device *dev = &netdev->dev;
2741
2742 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2743 device_remove_file(dev, &dev_attr_bridged_mode);
2744}
2745
70f9cf89
DP		 2746static void
2747netxen_create_diag_entries(struct netxen_adapter *adapter)
2748{
2749 struct pci_dev *pdev = adapter->pdev;
2750 struct device *dev;
2751
2752 dev = &pdev->dev;
2753 if (device_create_file(dev, &dev_attr_diag_mode))
2754 dev_info(dev, "failed to create diag_mode sysfs entry\n");
2755 if (device_create_bin_file(dev, &bin_attr_crb))
2756 dev_info(dev, "failed to create crb sysfs entry\n");
2757 if (device_create_bin_file(dev, &bin_attr_mem))
2758 dev_info(dev, "failed to create mem sysfs entry\n");
2759}
2760
2761
2762static void
2763netxen_remove_diag_entries(struct netxen_adapter *adapter)
2764{
2765 struct pci_dev *pdev = adapter->pdev;
2766 struct device *dev = &pdev->dev;
2767
2768 device_remove_file(dev, &dev_attr_diag_mode);
2769 device_remove_bin_file(dev, &bin_attr_crb);
2770 device_remove_bin_file(dev, &bin_attr_mem);
2771}
2772
044824d9
DP		 2773#ifdef CONFIG_INET
2774
6598b169
DP		 2775#define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
2776
2777static int
2778netxen_destip_supported(struct netxen_adapter *adapter)
2779{
2780 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2781 return 0;
2782
2783 if (adapter->ahw.cut_through)
2784 return 0;
2785
2786 return 1;
2787}
2788
d0725e4d
AKS		 2789static void
2790netxen_config_indev_addr(struct net_device *dev, unsigned long event)
2791{
2792 struct in_device *indev;
2793 struct netxen_adapter *adapter = netdev_priv(dev);
2794
3db76755 2795 if (!netxen_destip_supported(adapter))
d0725e4d
AKS		 2796 return;
2797
2798 indev = in_dev_get(dev);
2799 if (!indev)
2800 return;
2801
2802 for_ifa(indev) {
2803 switch (event) {
2804 case NETDEV_UP:
2805 netxen_config_ipaddr(adapter,
2806 ifa->ifa_address, NX_IP_UP);
2807 break;
2808 case NETDEV_DOWN:
2809 netxen_config_ipaddr(adapter,
2810 ifa->ifa_address, NX_IP_DOWN);
2811 break;
2812 default:
2813 break;
2814 }
2815 } endfor_ifa(indev);
2816
2817 in_dev_put(indev);
d0725e4d
AKS		 2818}
2819
6598b169
DP		 2820static int netxen_netdev_event(struct notifier_block *this,
2821 unsigned long event, void *ptr)
2822{
2823 struct netxen_adapter *adapter;
2824 struct net_device *dev = (struct net_device *)ptr;
6598b169
DP		 2825
2826recheck:
2827 if (dev == NULL)
2828 goto done;
2829
2830 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2831 dev = vlan_dev_real_dev(dev);
2832 goto recheck;
2833 }
2834
2835 if (!is_netxen_netdev(dev))
2836 goto done;
2837
2838 adapter = netdev_priv(dev);
2839
d0725e4d 2840 if (!adapter)
6598b169
DP		 2841 goto done;
2842
2843 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2844 goto done;
2845
d0725e4d 2846 netxen_config_indev_addr(dev, event);
6598b169
DP		 2847done:
2848 return NOTIFY_DONE;
2849}
2850
2851static int
2852netxen_inetaddr_event(struct notifier_block *this,
2853 unsigned long event, void *ptr)
2854{
2855 struct netxen_adapter *adapter;
2856 struct net_device *dev;
2857
2858 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
2859
2860 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
2861
2862recheck:
2863 if (dev == NULL || !netif_running(dev))
2864 goto done;
2865
2866 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2867 dev = vlan_dev_real_dev(dev);
2868 goto recheck;
2869 }
2870
2871 if (!is_netxen_netdev(dev))
2872 goto done;
2873
2874 adapter = netdev_priv(dev);
2875
2876 if (!adapter || !netxen_destip_supported(adapter))
2877 goto done;
2878
2879 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2880 goto done;
2881
2882 switch (event) {
2883 case NETDEV_UP:
2884 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
2885 break;
2886 case NETDEV_DOWN:
2887 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN);
2888 break;
2889 default:
2890 break;
2891 }
2892
2893done:
2894 return NOTIFY_DONE;
2895}
2896
2897static struct notifier_block netxen_netdev_cb = {
2898 .notifier_call = netxen_netdev_event,
2899};
2900
2901static struct notifier_block netxen_inetaddr_cb = {
2902 .notifier_call = netxen_inetaddr_event,
2903};
9feae56c
RD		 2904#else
2905static void
2906netxen_config_indev_addr(struct net_device *dev, unsigned long event)
2907{ }
044824d9 2908#endif
6598b169 2909
e87ad553
AKS		 2910static struct pci_error_handlers netxen_err_handler = {
2911 .error_detected = netxen_io_error_detected,
2912 .slot_reset = netxen_io_slot_reset,
2913 .resume = netxen_io_resume,
2914};
2915
3d396eb1
AK		 2916static struct pci_driver netxen_driver = {
2917 .name = netxen_nic_driver_name,
2918 .id_table = netxen_pci_tbl,
2919 .probe = netxen_nic_probe,
0b72e659 2920 .remove = __devexit_p(netxen_nic_remove),
01542cd1 2921#ifdef CONFIG_PM
0b72e659 2922 .suspend = netxen_nic_suspend,
22b5794b 2923 .resume = netxen_nic_resume,
01542cd1 2924#endif
e87ad553
AKS		 2925 .shutdown = netxen_nic_shutdown,
2926 .err_handler = &netxen_err_handler
3d396eb1
AK		 2927};
2928
3d396eb1
AK		 2929static int __init netxen_init_module(void)
2930{
ff4fbd43
DP		 2931 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
2932
044824d9 2933#ifdef CONFIG_INET
6598b169
DP		 2934 register_netdevice_notifier(&netxen_netdev_cb);
2935 register_inetaddr_notifier(&netxen_inetaddr_cb);
044824d9 2936#endif
184231bd 2937 return pci_register_driver(&netxen_driver);
3d396eb1
AK		 2938}
2939
2940module_init(netxen_init_module);
2941
2942static void __exit netxen_exit_module(void)
2943{
3d396eb1 2944 pci_unregister_driver(&netxen_driver);
6598b169 2945
044824d9 2946#ifdef CONFIG_INET
6598b169
DP		 2947 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
2948 unregister_netdevice_notifier(&netxen_netdev_cb);
044824d9 2949#endif
3d396eb1
AK		 2950}
2951
2952module_exit(netxen_exit_module);
Clone of davem's net-next-2.6 tree