projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
netxen_nic: netxen_setup_intr() function code cleanup
[linux-2.6-block.git] / drivers / net / ethernet / qlogic / 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
0438a1b2 41MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Intelligent Ethernet Driver");
3d396eb1
AK		 42MODULE_LICENSE("GPL");
43MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
7e8e5d97 44MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
3d396eb1 45
ceded32f 46char netxen_nic_driver_name[] = "netxen_nic";
c25c0b9b 47static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
cb8011ad 48 NETXEN_NIC_LINUX_VERSIONID;
3d396eb1 49
2956640d
DP		 50static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
51
52/* Default to restricted 1G auto-neg mode */
53static int wol_port_mode = 5;
54
55static int use_msi = 1;
56
57static int use_msi_x = 1;
58
afdafff1
SH		 59static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
60module_param(auto_fw_reset, int, 0644);
61MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled");
caa2dd53 62
c3f9c88c 63static int netxen_nic_probe(struct pci_dev *pdev,
2956640d 64 const struct pci_device_id *ent);
c3f9c88c 65static void netxen_nic_remove(struct pci_dev *pdev);
3d396eb1
AK		 66static int netxen_nic_open(struct net_device *netdev);
67static int netxen_nic_close(struct net_device *netdev);
61357325
SH		 68static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
69 struct net_device *);
3d396eb1 70static void netxen_tx_timeout(struct net_device *netdev);
74c520da 71static void netxen_tx_timeout_task(struct work_struct *work);
6a581e93
DP		 72static void netxen_fw_poll_work(struct work_struct *work);
73static void netxen_schedule_work(struct netxen_adapter *adapter,
74 work_func_t func, int delay);
75static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
bea3348e 76static int netxen_nic_poll(struct napi_struct *napi, int budget);
3d396eb1
AK		 77#ifdef CONFIG_NET_POLL_CONTROLLER
78static void netxen_nic_poll_controller(struct net_device *netdev);
79#endif
fa3ce355
NK		 80
81static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
82static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
70f9cf89
DP		 83static void netxen_create_diag_entries(struct netxen_adapter *adapter);
84static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
e87ad553 85static int nx_dev_request_aer(struct netxen_adapter *adapter);
6a581e93
DP		 86static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
87static int netxen_can_start_firmware(struct netxen_adapter *adapter);
88
1494a814 89static irqreturn_t netxen_intr(int irq, void *data);
05aaa02d 90static irqreturn_t netxen_msi_intr(int irq, void *data);
b3df68f8 91static irqreturn_t netxen_msix_intr(int irq, void *data);
3d396eb1 92
8a7fbfab 93static void netxen_free_ip_list(struct netxen_adapter *, bool);
57569d0e 94static void netxen_restore_indev_addr(struct net_device *dev, unsigned long);
47fd428c 95static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev,
96 struct rtnl_link_stats64 *stats);
7e12bb0a 97static int netxen_nic_set_mac(struct net_device *netdev, void *p);
d0725e4d 98
3d396eb1 99/* PCI Device ID Table */
70081ac5 100#define ENTRY(device) \
040dec3b 101 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
70081ac5
AV		 102 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
103
a3aa1884 104static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = {
040dec3b
DP		 105 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
106 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
107 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
108 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
109 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
110 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
111 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
112 ENTRY(PCI_DEVICE_ID_NX3031),
3d396eb1
AK		 113 {0,}
114};
115
116MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
117
7830b22c
DP		 118static uint32_t crb_cmd_producer[4] = {
119 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
120 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
121};
122
c9fc891f 123void
3ce06a32 124netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
cb2107be 125 struct nx_host_tx_ring *tx_ring)
3176ff3e 126{
195c5f98 127 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
3176ff3e
MT		 128}
129
7830b22c
DP		 130static uint32_t crb_cmd_consumer[4] = {
131 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
132 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
133};
134
3ce06a32
DP		 135static inline void
136netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
cb2107be 137 struct nx_host_tx_ring *tx_ring)
3176ff3e 138{
195c5f98 139 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
3176ff3e
MT		 140}
141
2956640d 142static uint32_t msi_tgt_status[8] = {
443be796 143 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
2956640d
DP		 144 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
145 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
146 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
443be796
DP		 147};
148
2956640d
DP		 149static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
150
d8b100c5 151static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
4638aef1 152{
d8b100c5
DP		 153 struct netxen_adapter *adapter = sds_ring->adapter;
154
195c5f98 155 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
4638aef1
SH		 156}
157
d8b100c5 158static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
4638aef1 159{
d8b100c5
DP		 160 struct netxen_adapter *adapter = sds_ring->adapter;
161
195c5f98 162 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
4638aef1 163
092bc571 164 if (!NETXEN_IS_MSI_FAMILY(adapter))
195c5f98 165 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
4638aef1
SH		 166}
167
71dcddbd
DP		 168static int
169netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
170{
171 int size = sizeof(struct nx_host_sds_ring) * count;
172
173 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
174
807540ba 175 return recv_ctx->sds_rings == NULL;
71dcddbd
DP		 176}
177
d8b100c5 178static void
71dcddbd
DP		 179netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
180{
181 if (recv_ctx->sds_rings != NULL)
182 kfree(recv_ctx->sds_rings);
232e7d68
DP		 183
184 recv_ctx->sds_rings = NULL;
71dcddbd
DP		 185}
186
187static int
d8b100c5
DP		 188netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
189{
190 int ring;
191 struct nx_host_sds_ring *sds_ring;
192 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
193
71dcddbd 194 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
f17443f4 195 return -ENOMEM;
71dcddbd 196
d8b100c5
DP		 197 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
198 sds_ring = &recv_ctx->sds_rings[ring];
199 netif_napi_add(netdev, &sds_ring->napi,
200 netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
201 }
71dcddbd
DP		 202
203 return 0;
d8b100c5
DP		 204}
205
232e7d68
DP		 206static void
207netxen_napi_del(struct netxen_adapter *adapter)
208{
209 int ring;
210 struct nx_host_sds_ring *sds_ring;
211 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
212
213 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
214 sds_ring = &recv_ctx->sds_rings[ring];
215 netif_napi_del(&sds_ring->napi);
216 }
217
218 netxen_free_sds_rings(&adapter->recv_ctx);
219}
220
d8b100c5
DP		 221static void
222netxen_napi_enable(struct netxen_adapter *adapter)
223{
224 int ring;
225 struct nx_host_sds_ring *sds_ring;
226 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
227
228 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
229 sds_ring = &recv_ctx->sds_rings[ring];
230 napi_enable(&sds_ring->napi);
231 netxen_nic_enable_int(sds_ring);
232 }
233}
234
235static void
236netxen_napi_disable(struct netxen_adapter *adapter)
237{
238 int ring;
239 struct nx_host_sds_ring *sds_ring;
240 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
241
242 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
243 sds_ring = &recv_ctx->sds_rings[ring];
be339aee 244 netxen_nic_disable_int(sds_ring);
b2af9cb0
DP		 245 napi_synchronize(&sds_ring->napi);
246 napi_disable(&sds_ring->napi);
d8b100c5
DP		 247 }
248}
249
50c643e7 250static int nx_set_dma_mask(struct netxen_adapter *adapter)
2956640d
DP		 251{
252 struct pci_dev *pdev = adapter->pdev;
1f434f63
DP		 253 uint64_t mask, cmask;
254
255 adapter->pci_using_dac = 0;
2956640d 256
6afd142f 257 mask = DMA_BIT_MASK(32);
6afd142f 258 cmask = DMA_BIT_MASK(32);
1f434f63 259
50c643e7 260 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1f434f63 261#ifndef CONFIG_IA64
6afd142f 262 mask = DMA_BIT_MASK(35);
1f434f63 263#endif
50c643e7
DP		 264 } else {
265 mask = DMA_BIT_MASK(39);
266 cmask = mask;
267 }
268
2956640d 269 if (pci_set_dma_mask(pdev, mask) == 0 &&
1f434f63 270 pci_set_consistent_dma_mask(pdev, cmask) == 0) {
2956640d
DP		 271 adapter->pci_using_dac = 1;
272 return 0;
273 }
2956640d 274
1f434f63
DP		 275 return -EIO;
276}
277
278/* Update addressable range if firmware supports it */
279static int
280nx_update_dma_mask(struct netxen_adapter *adapter)
281{
282 int change, shift, err;
50c643e7 283 uint64_t mask, old_mask, old_cmask;
1f434f63
DP		 284 struct pci_dev *pdev = adapter->pdev;
285
286 change = 0;
287
f98a9f69 288 shift = NXRD32(adapter, CRB_DMA_SHIFT);
f60f7856 289 if (shift > 32)
1f434f63
DP		 290 return 0;
291
292 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
293 change = 1;
294 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
295 change = 1;
296
297 if (change) {
298 old_mask = pdev->dma_mask;
50c643e7
DP		 299 old_cmask = pdev->dev.coherent_dma_mask;
300
f60f7856 301 mask = DMA_BIT_MASK(32+shift);
1f434f63
DP		 302
303 err = pci_set_dma_mask(pdev, mask);
304 if (err)
50c643e7
DP		 305 goto err_out;
306
307 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
308
309 err = pci_set_consistent_dma_mask(pdev, mask);
310 if (err)
311 goto err_out;
312 }
313 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
2956640d
DP		 314 }
315
2956640d 316 return 0;
50c643e7
DP		 317
318err_out:
319 pci_set_dma_mask(pdev, old_mask);
320 pci_set_consistent_dma_mask(pdev, old_cmask);
321 return err;
2956640d
DP		 322}
323
2956640d
DP		 324static int
325netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
326{
27c915a4 327 u32 val, timeout;
2956640d
DP		 328
329 if (first_boot == 0x55555555) {
330 /* This is the first boot after power up */
f98a9f69 331 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
27c915a4
DP		 332
333 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
334 return 0;
2956640d
DP		 335
336 /* PCI bus master workaround */
f98a9f69 337 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
2956640d
DP		 338 if (!(first_boot & 0x4)) {
339 first_boot |= 0x4;
f98a9f69 340 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
581e8ae4 341 NXRD32(adapter, NETXEN_PCIE_REG(0x4));
2956640d
DP		 342 }
343
344 /* This is the first boot after power up */
f98a9f69 345 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
2956640d
DP		 346 if (first_boot != 0x80000f) {
347 /* clear the register for future unloads/loads */
f98a9f69 348 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
27c915a4 349 return -EIO;
2956640d
DP		 350 }
351
27c915a4 352 /* Start P2 boot loader */
f98a9f69
DP		 353 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
354 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
27c915a4
DP		 355 timeout = 0;
356 do {
357 msleep(1);
f98a9f69 358 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
27c915a4
DP		 359
360 if (++timeout > 5000)
361 return -EIO;
362
363 } while (val == NETXEN_BDINFO_MAGIC);
2956640d 364 }
27c915a4 365 return 0;
2956640d
DP		 366}
367
368static void netxen_set_port_mode(struct netxen_adapter *adapter)
369{
370 u32 val, data;
371
1e2d0059 372 val = adapter->ahw.board_type;
2956640d
DP		 373 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
374 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
375 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
376 data = NETXEN_PORT_MODE_802_3_AP;
f98a9f69 377 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 378 } else if (port_mode == NETXEN_PORT_MODE_XG) {
379 data = NETXEN_PORT_MODE_XG;
f98a9f69 380 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 381 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
382 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
f98a9f69 383 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 384 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
385 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
f98a9f69 386 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 387 } else {
388 data = NETXEN_PORT_MODE_AUTO_NEG;
f98a9f69 389 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
2956640d
DP		 390 }
391
392 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
393 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
394 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
395 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
396 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
397 }
f98a9f69 398 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
2956640d
DP		 399 }
400}
401
e3feb266
RB		 402#define PCI_CAP_ID_GEN 0x10
403
404static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
405{
406 u32 pdevfuncsave;
407 u32 c8c9value = 0;
408 u32 chicken = 0;
409 u32 control = 0;
410 int i, pos;
411 struct pci_dev *pdev;
412
413 pdev = adapter->pdev;
414
415 chicken = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3));
416 /* clear chicken3.25:24 */
417 chicken &= 0xFCFFFFFF;
418 /*
419 * if gen1 and B0, set F1020 - if gen 2, do nothing
420 * if gen2 set to F1000
421 */
422 pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
423 if (pos == 0xC0) {
424 pci_read_config_dword(pdev, pos + 0x10, &control);
425 if ((control & 0x000F0000) != 0x00020000) {
426 /* set chicken3.24 if gen1 */
427 chicken |= 0x01000000;
428 }
429 dev_info(&adapter->pdev->dev, "Gen2 strapping detected\n");
430 c8c9value = 0xF1000;
431 } else {
432 /* set chicken3.24 if gen1 */
433 chicken |= 0x01000000;
434 dev_info(&adapter->pdev->dev, "Gen1 strapping detected\n");
435 if (adapter->ahw.revision_id == NX_P3_B0)
436 c8c9value = 0xF1020;
437 else
438 c8c9value = 0;
439 }
440
441 NXWR32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3), chicken);
442
443 if (!c8c9value)
444 return;
445
446 pdevfuncsave = pdev->devfn;
447 if (pdevfuncsave & 0x07)
448 return;
449
450 for (i = 0; i < 8; i++) {
451 pci_read_config_dword(pdev, pos + 8, &control);
452 pci_read_config_dword(pdev, pos + 8, &control);
453 pci_write_config_dword(pdev, pos + 8, c8c9value);
454 pdev->devfn++;
455 }
456 pdev->devfn = pdevfuncsave;
457}
458
2956640d
DP		 459static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
460{
461 u32 control;
462 int pos;
463
464 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
465 if (pos) {
466 pci_read_config_dword(pdev, pos, &control);
467 if (enable)
468 control |= PCI_MSIX_FLAGS_ENABLE;
469 else
470 control = 0;
471 pci_write_config_dword(pdev, pos, control);
472 }
473}
474
be339aee 475static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
2956640d
DP		 476{
477 int i;
478
be339aee 479 for (i = 0; i < count; i++)
2956640d
DP		 480 adapter->msix_entries[i].entry = i;
481}
482
9dc28efe
DP		 483static int
484netxen_read_mac_addr(struct netxen_adapter *adapter)
485{
486 int i;
487 unsigned char *p;
a03d2451 488 u64 mac_addr;
9dc28efe
DP		 489 struct net_device *netdev = adapter->netdev;
490 struct pci_dev *pdev = adapter->pdev;
491
9dc28efe
DP		 492 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
493 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
494 return -EIO;
495 } else {
496 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
497 return -EIO;
498 }
499
500 p = (unsigned char *)&mac_addr;
501 for (i = 0; i < 6; i++)
502 netdev->dev_addr[i] = *(p + 5 - i);
503
5d09e534 504 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
9dc28efe
DP		 505
506 /* set station address */
507
aaeb6cdf 508 if (!is_valid_ether_addr(netdev->dev_addr))
e174961c 509 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
9dc28efe
DP		 510
511 return 0;
512}
513
7e12bb0a 514static int netxen_nic_set_mac(struct net_device *netdev, void *p)
3d0a3cc9
DP		 515{
516 struct netxen_adapter *adapter = netdev_priv(netdev);
517 struct sockaddr *addr = p;
518
519 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a 520 return -EADDRNOTAVAIL;
3d0a3cc9
DP		 521
522 if (netif_running(netdev)) {
523 netif_device_detach(netdev);
524 netxen_napi_disable(adapter);
525 }
526
5d09e534 527 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
3d0a3cc9
DP		 528 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
529 adapter->macaddr_set(adapter, addr->sa_data);
530
531 if (netif_running(netdev)) {
532 netif_device_attach(netdev);
533 netxen_napi_enable(adapter);
534 }
535 return 0;
536}
537
1abd266f
SH		 538static void netxen_set_multicast_list(struct net_device *dev)
539{
540 struct netxen_adapter *adapter = netdev_priv(dev);
541
3d0a3cc9 542 adapter->set_multi(dev);
1abd266f
SH		 543}
544
c8f44aff
MM		 545static netdev_features_t netxen_fix_features(struct net_device *dev,
546 netdev_features_t features)
066413da
MM		 547{
548 if (!(features & NETIF_F_RXCSUM)) {
549 netdev_info(dev, "disabling LRO as RXCSUM is off\n");
550
551 features &= ~NETIF_F_LRO;
552 }
553
554 return features;
555}
556
c8f44aff
MM		 557static int netxen_set_features(struct net_device *dev,
558 netdev_features_t features)
066413da
MM		 559{
560 struct netxen_adapter *adapter = netdev_priv(dev);
561 int hw_lro;
562
563 if (!((dev->features ^ features) & NETIF_F_LRO))
564 return 0;
565
566 hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED
567 : NETXEN_NIC_LRO_DISABLED;
568
569 if (netxen_config_hw_lro(adapter, hw_lro))
570 return -EIO;
571
572 if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter))
573 return -EIO;
574
575 return 0;
576}
577
1abd266f
SH		 578static const struct net_device_ops netxen_netdev_ops = {
579 .ndo_open = netxen_nic_open,
580 .ndo_stop = netxen_nic_close,
581 .ndo_start_xmit = netxen_nic_xmit_frame,
47fd428c 582 .ndo_get_stats64 = netxen_nic_get_stats,
1abd266f 583 .ndo_validate_addr = eth_validate_addr,
afc4b13d 584 .ndo_set_rx_mode = netxen_set_multicast_list,
1abd266f
SH		 585 .ndo_set_mac_address = netxen_nic_set_mac,
586 .ndo_change_mtu = netxen_nic_change_mtu,
587 .ndo_tx_timeout = netxen_tx_timeout,
066413da
MM		 588 .ndo_fix_features = netxen_fix_features,
589 .ndo_set_features = netxen_set_features,
1abd266f
SH		 590#ifdef CONFIG_NET_POLL_CONTROLLER
591 .ndo_poll_controller = netxen_nic_poll_controller,
592#endif
593};
594
97daee83 595static void
a120e864 596netxen_initialize_interrupt_registers(struct netxen_adapter *adapter)
97daee83
DP		 597{
598 struct netxen_legacy_intr_set *legacy_intrp;
a120e864 599 u32 tgt_status_reg, int_state_reg;
97daee83
DP		 600
601 if (adapter->ahw.revision_id >= NX_P3_B0)
602 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
603 else
604 legacy_intrp = &legacy_intr[0];
195c5f98 605
a120e864
MC		 606 tgt_status_reg = legacy_intrp->tgt_status_reg;
607 int_state_reg = ISR_INT_STATE_REG;
608
195c5f98 609 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
a120e864 610 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg);
195c5f98 611 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
a120e864 612 legacy_intrp->tgt_mask_reg);
195c5f98 613 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
a120e864 614 legacy_intrp->pci_int_reg);
195c5f98
AKS		 615 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
616
617 if (adapter->ahw.revision_id >= NX_P3_B1)
618 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
a120e864 619 int_state_reg);
195c5f98
AKS		 620 else
621 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
a120e864
MC		 622 CRB_INT_VECTOR);
623}
97daee83 624
a120e864
MC		 625static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter,
626 int num_msix)
627{
628 struct pci_dev *pdev = adapter->pdev;
629 u32 value;
630 int err;
97daee83
DP		 631
632 if (adapter->msix_supported) {
be339aee
DP		 633 netxen_init_msix_entries(adapter, num_msix);
634 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
635 if (err == 0) {
636 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
637 netxen_set_msix_bit(pdev, 1);
97daee83 638
be339aee
DP		 639 if (adapter->rss_supported)
640 adapter->max_sds_rings = num_msix;
97daee83 641
be339aee 642 dev_info(&pdev->dev, "using msi-x interrupts\n");
a120e864 643 return 0;
be339aee 644 }
be339aee 645 /* fall through for msi */
97daee83 646 }
be339aee
DP		 647
648 if (use_msi && !pci_enable_msi(pdev)) {
a120e864 649 value = msi_tgt_status[adapter->ahw.pci_func];
be339aee 650 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
a120e864 651 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value);
f67f3408 652 adapter->msix_entries[0].vector = pdev->irq;
a120e864
MC		 653 dev_info(&pdev->dev, "using msi interrupts\n");
654 return 0;
be339aee
DP		 655 }
656
a120e864
MC		 657 return -EIO;
658}
659
660static void netxen_setup_intr(struct netxen_adapter *adapter)
661{
662 struct pci_dev *pdev = adapter->pdev;
663 int num_msix;
664
665 if (adapter->rss_supported)
666 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
667 MSIX_ENTRIES_PER_ADAPTER : 2;
668 else
669 num_msix = 1;
670
671 adapter->max_sds_rings = 1;
672 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
673
674 netxen_initialize_interrupt_registers(adapter);
675 netxen_set_msix_bit(pdev, 0);
676
677 if (!netxen_setup_msi_interrupts(adapter, num_msix))
678 return;
679
be339aee 680 adapter->msix_entries[0].vector = pdev->irq;
a120e864 681 dev_info(&pdev->dev, "using legacy interrupts\n");
97daee83
DP		 682}
683
684static void
685netxen_teardown_intr(struct netxen_adapter *adapter)
686{
687 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
688 pci_disable_msix(adapter->pdev);
689 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
690 pci_disable_msi(adapter->pdev);
691}
692
693static void
694netxen_cleanup_pci_map(struct netxen_adapter *adapter)
695{
696 if (adapter->ahw.db_base != NULL)
697 iounmap(adapter->ahw.db_base);
698 if (adapter->ahw.pci_base0 != NULL)
699 iounmap(adapter->ahw.pci_base0);
700 if (adapter->ahw.pci_base1 != NULL)
701 iounmap(adapter->ahw.pci_base1);
702 if (adapter->ahw.pci_base2 != NULL)
703 iounmap(adapter->ahw.pci_base2);
704}
705
706static int
707netxen_setup_pci_map(struct netxen_adapter *adapter)
708{
97daee83
DP		 709 void __iomem *db_ptr = NULL;
710
71fb62fb 711 resource_size_t mem_base, db_base;
afbe5cd6 712 unsigned long mem_len, db_len = 0;
97daee83
DP		 713
714 struct pci_dev *pdev = adapter->pdev;
715 int pci_func = adapter->ahw.pci_func;
afbe5cd6 716 struct netxen_hardware_context *ahw = &adapter->ahw;
97daee83
DP		 717
718 int err = 0;
719
720 /*
721 * Set the CRB window to invalid. If any register in window 0 is
722 * accessed it should set the window to 0 and then reset it to 1.
723 */
907fa120 724 adapter->ahw.crb_win = -1;
47abe356 725 adapter->ahw.ocm_win = -1;
97daee83
DP		 726
727 /* remap phys address */
728 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
729 mem_len = pci_resource_len(pdev, 0);
97daee83 730
97daee83
DP		 731 /* 128 Meg of memory */
732 if (mem_len == NETXEN_PCI_128MB_SIZE) {
afbe5cd6
AKS		 733
734 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
735 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
97daee83 736 SECOND_PAGE_GROUP_SIZE);
afbe5cd6 737 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
97daee83 738 THIRD_PAGE_GROUP_SIZE);
afbe5cd6
AKS		 739 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
740 ahw->pci_base2 == NULL) {
741 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
742 err = -EIO;
743 goto err_out;
744 }
745
746 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
747
97daee83 748 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
afbe5cd6
AKS		 749
750 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
751 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
97daee83 752 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
afbe5cd6
AKS		 753 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
754 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
755 err = -EIO;
756 goto err_out;
757 }
758
97daee83 759 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
97daee83 760
afbe5cd6
AKS		 761 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
762 if (ahw->pci_base0 == NULL) {
97daee83
DP		 763 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
764 return -EIO;
765 }
afbe5cd6 766 ahw->pci_len0 = mem_len;
97daee83
DP		 767 } else {
768 return -EIO;
769 }
770
195c5f98
AKS		 771 netxen_setup_hwops(adapter);
772
97daee83
DP		 773 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
774
6abb4b83
AKS		 775 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
776 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
777 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
778
779 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
47abe356
DP		 780 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
781 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
782 }
783
97daee83
DP		 784 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
785 goto skip_doorbell;
786
787 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
788 db_len = pci_resource_len(pdev, 4);
789
790 if (db_len == 0) {
791 printk(KERN_ERR "%s: doorbell is disabled\n",
792 netxen_nic_driver_name);
793 err = -EIO;
794 goto err_out;
795 }
796
797 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
798 if (!db_ptr) {
799 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
800 netxen_nic_driver_name);
801 err = -EIO;
802 goto err_out;
803 }
804
805skip_doorbell:
806 adapter->ahw.db_base = db_ptr;
807 adapter->ahw.db_len = db_len;
808 return 0;
809
810err_out:
811 netxen_cleanup_pci_map(adapter);
812 return err;
813}
814
2b9e62ee
DP		 815static void
816netxen_check_options(struct netxen_adapter *adapter)
817{
83f18a55 818 u32 fw_major, fw_minor, fw_build, prev_fw_version;
2b9e62ee
DP		 819 char brd_name[NETXEN_MAX_SHORT_NAME];
820 char serial_num[32];
83f18a55 821 int i, offset, val, err;
06d6c108 822 __le32 *ptr32;
2b9e62ee
DP		 823 struct pci_dev *pdev = adapter->pdev;
824
825 adapter->driver_mismatch = 0;
826
06d6c108 827 ptr32 = (__le32 *)&serial_num;
2b9e62ee
DP		 828 offset = NX_FW_SERIAL_NUM_OFFSET;
829 for (i = 0; i < 8; i++) {
830 if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
831 dev_err(&pdev->dev, "error reading board info\n");
832 adapter->driver_mismatch = 1;
833 return;
834 }
835 ptr32[i] = cpu_to_le32(val);
836 offset += sizeof(u32);
837 }
838
839 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
840 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
841 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
83f18a55 842 prev_fw_version = adapter->fw_version;
2b9e62ee
DP		 843 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
844
83f18a55
M		 845 /* Get FW Mini Coredump template and store it */
846 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
847 if (adapter->mdump.md_template == NULL ||
848 adapter->fw_version > prev_fw_version) {
849 kfree(adapter->mdump.md_template);
850 adapter->mdump.md_template = NULL;
851 err = netxen_setup_minidump(adapter);
852 if (err)
853 dev_err(&adapter->pdev->dev,
854 "Failed to setup minidump rcode = %d\n", err);
855 }
856 }
857
2b9e62ee 858 if (adapter->portnum == 0) {
b08a92bb
MC		 859 if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
860 brd_name))
861 strcpy(serial_num, "Unknown");
2b9e62ee 862
c25c0b9b
DP		 863 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
864 module_name(THIS_MODULE),
2b9e62ee
DP		 865 brd_name, serial_num, adapter->ahw.revision_id);
866 }
867
868 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
869 adapter->driver_mismatch = 1;
870 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
871 fw_major, fw_minor, fw_build);
872 return;
873 }
874
875 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
876 i = NXRD32(adapter, NETXEN_SRE_MISC);
877 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
878 }
879
dc7551cb
MC		 880 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
881 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
882 adapter->ahw.cut_through ? "cut-through" : "legacy");
2b9e62ee
DP		 883
884 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
885 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
886
2b9e62ee
DP		 887 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
888 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
889 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
890 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
891 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
892 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
893 }
894
895 adapter->msix_supported = 0;
896 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
897 adapter->msix_supported = !!use_msi_x;
898 adapter->rss_supported = !!use_msi_x;
083ba279
AKS		 899 } else {
900 u32 flashed_ver = 0;
901 netxen_rom_fast_read(adapter,
902 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
903 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
904
905 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
906 switch (adapter->ahw.board_type) {
907 case NETXEN_BRDTYPE_P2_SB31_10G:
908 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
909 adapter->msix_supported = !!use_msi_x;
910 adapter->rss_supported = !!use_msi_x;
911 break;
912 default:
913 break;
914 }
2b9e62ee
DP		 915 }
916 }
917
918 adapter->num_txd = MAX_CMD_DESCRIPTORS;
919
920 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
921 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
922 adapter->max_rds_rings = 3;
923 } else {
924 adapter->num_lro_rxd = 0;
925 adapter->max_rds_rings = 2;
926 }
927}
928
ba599d4f 929static int
6a581e93 930netxen_start_firmware(struct netxen_adapter *adapter)
ba599d4f
DP		 931{
932 int val, err, first_boot;
933 struct pci_dev *pdev = adapter->pdev;
934
2b9e62ee
DP		 935 /* required for NX2031 dummy dma */
936 err = nx_set_dma_mask(adapter);
937 if (err)
938 return err;
939
83f18a55
M		 940 err = netxen_can_start_firmware(adapter);
941
942 if (err < 0)
943 return err;
944
945 if (!err)
96f2ebd2 946 goto wait_init;
0b72e659 947
f98a9f69 948 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
ba599d4f
DP		 949
950 err = netxen_check_hw_init(adapter, first_boot);
951 if (err) {
952 dev_err(&pdev->dev, "error in init HW init sequence\n");
953 return err;
954 }
955
6a581e93 956 netxen_request_firmware(adapter);
f7185c71 957
67c38fc6 958 err = netxen_need_fw_reset(adapter);
1dbc84a7 959 if (err < 0)
db4cfd8a 960 goto err_out;
1dbc84a7 961 if (err == 0)
e3feb266 962 goto pcie_strap_init;
67c38fc6 963
ba599d4f 964 if (first_boot != 0x55555555) {
f98a9f69 965 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
0be367bd 966 netxen_pinit_from_rom(adapter);
ba599d4f
DP		 967 msleep(1);
968 }
567c6c4e 969
f98a9f69 970 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
6a581e93
DP		 971 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
972 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
973
567c6c4e
DP		 974 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
975 netxen_set_port_mode(adapter);
976
db4cfd8a
DP		 977 err = netxen_load_firmware(adapter);
978 if (err)
979 goto err_out;
ba599d4f 980
6a581e93
DP		 981 netxen_release_firmware(adapter);
982
ba599d4f
DP		 983 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
984
985 /* Initialize multicast addr pool owners */
986 val = 0x7654;
1e2d0059 987 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
ba599d4f 988 val |= 0x0f000000;
f98a9f69 989 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
ba599d4f
DP		 990
991 }
992
83ac51fa 993 err = netxen_init_dummy_dma(adapter);
ba599d4f 994 if (err)
db4cfd8a 995 goto err_out;
ba599d4f
DP		 996
997 /*
998 * Tell the hardware our version number.
999 */
1000 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
1001 | ((_NETXEN_NIC_LINUX_MINOR << 8))
1002 | (_NETXEN_NIC_LINUX_SUBVERSION);
f98a9f69 1003 NXWR32(adapter, CRB_DRIVER_VERSION, val);
ba599d4f 1004
e3feb266
RB		 1005pcie_strap_init:
1006 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1007 netxen_pcie_strap_init(adapter);
1008
96f2ebd2 1009wait_init:
ba599d4f
DP		 1010 /* Handshake with the card before we register the devices. */
1011 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
1012 if (err) {
83ac51fa 1013 netxen_free_dummy_dma(adapter);
db4cfd8a 1014 goto err_out;
ba599d4f
DP		 1015 }
1016
8f9b3f69
AKS		 1017 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1018
68b3cae0
DP		 1019 nx_update_dma_mask(adapter);
1020
6a581e93 1021 netxen_check_options(adapter);
68b3cae0 1022
74c520da
AKS		 1023 adapter->need_fw_reset = 0;
1024
ec5c50cb 1025 /* fall through and release firmware */
db4cfd8a
DP		 1026
1027err_out:
1028 netxen_release_firmware(adapter);
1029 return err;
ba599d4f
DP		 1030}
1031
9f5bc7f1
DP		 1032static int
1033netxen_nic_request_irq(struct netxen_adapter *adapter)
1034{
1035 irq_handler_t handler;
d8b100c5
DP		 1036 struct nx_host_sds_ring *sds_ring;
1037 int err, ring;
1038
ab392d2d 1039 unsigned long flags = 0;
9f5bc7f1 1040 struct net_device *netdev = adapter->netdev;
d8b100c5 1041 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
9f5bc7f1 1042
9f5bc7f1
DP		 1043 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1044 handler = netxen_msix_intr;
1045 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1046 handler = netxen_msi_intr;
1047 else {
1048 flags |= IRQF_SHARED;
1049 handler = netxen_intr;
1050 }
1051 adapter->irq = netdev->irq;
1052
d8b100c5
DP		 1053 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1054 sds_ring = &recv_ctx->sds_rings[ring];
be339aee 1055 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
d8b100c5
DP		 1056 err = request_irq(sds_ring->irq, handler,
1057 flags, sds_ring->name, sds_ring);
1058 if (err)
1059 return err;
1060 }
1061
1062 return 0;
1063}
1064
1065static void
1066netxen_nic_free_irq(struct netxen_adapter *adapter)
1067{
1068 int ring;
1069 struct nx_host_sds_ring *sds_ring;
1070
1071 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1072
1073 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1074 sds_ring = &recv_ctx->sds_rings[ring];
1075 free_irq(sds_ring->irq, sds_ring);
1076 }
9f5bc7f1
DP		 1077}
1078
ca2ef330
DP		 1079static void
1080netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1081{
1082 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1083 adapter->coal.normal.data.rx_time_us =
1084 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1085 adapter->coal.normal.data.rx_packets =
1086 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1087 adapter->coal.normal.data.tx_time_us =
1088 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1089 adapter->coal.normal.data.tx_packets =
1090 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1091}
1092
6f771419 1093/* with rtnl_lock */
9f5bc7f1 1094static int
6f771419 1095__netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
9f5bc7f1
DP		 1096{
1097 int err;
1098
db4cfd8a
DP		 1099 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1100 return -EIO;
1101
9f5bc7f1
DP		 1102 err = adapter->init_port(adapter, adapter->physical_port);
1103 if (err) {
1104 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1105 netxen_nic_driver_name, adapter->portnum);
1106 return err;
1107 }
3d0a3cc9 1108 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
5d09e534 1109 adapter->macaddr_set(adapter, adapter->mac_addr);
9f5bc7f1 1110
3d0a3cc9
DP		 1111 adapter->set_multi(netdev);
1112 adapter->set_mtu(adapter, netdev->mtu);
9f5bc7f1
DP		 1113
1114 adapter->ahw.linkup = 0;
9f5bc7f1 1115
d8b100c5
DP		 1116 if (adapter->max_sds_rings > 1)
1117 netxen_config_rss(adapter, 1);
9f5bc7f1 1118
ca2ef330
DP		 1119 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1120 netxen_config_intr_coalesce(adapter);
1121
e4baaf71 1122 if (netdev->features & NETIF_F_LRO)
1bb482f8
NK		 1123 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1124
b2af9cb0
DP		 1125 netxen_napi_enable(adapter);
1126
5103c9f7 1127 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
3bf26ce3 1128 netxen_linkevent_request(adapter, 1);
3d0a3cc9
DP		 1129 else
1130 netxen_nic_set_link_parameters(adapter);
1131
6a581e93 1132 set_bit(__NX_DEV_UP, &adapter->state);
9f5bc7f1
DP		 1133 return 0;
1134}
1135
6f771419
AKS		 1136/* Usage: During resume and firmware recovery module.*/
1137
1138static inline int
1139netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1140{
1141 int err = 0;
1142
1143 rtnl_lock();
1144 if (netif_running(netdev))
1145 err = __netxen_nic_up(adapter, netdev);
1146 rtnl_unlock();
1147
1148 return err;
1149}
1150
1151/* with rtnl_lock */
9f5bc7f1 1152static void
6f771419 1153__netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
9f5bc7f1 1154{
db4cfd8a
DP		 1155 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1156 return;
1157
f2251f66
AKS		 1158 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1159 return;
6a581e93 1160
f2251f66 1161 smp_mb();
b2af9cb0 1162 spin_lock(&adapter->tx_clean_lock);
9f5bc7f1 1163 netif_carrier_off(netdev);
b2af9cb0 1164 netif_tx_disable(netdev);
9f5bc7f1 1165
d478af0d
SC		 1166 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1167 netxen_linkevent_request(adapter, 0);
1168
9f5bc7f1
DP		 1169 if (adapter->stop_port)
1170 adapter->stop_port(adapter);
1171
5cf4d323
DP		 1172 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1173 netxen_p3_free_mac_list(adapter);
1174
22b5794b
AKS		 1175 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1176
be339aee
DP		 1177 netxen_napi_disable(adapter);
1178
9f5bc7f1 1179 netxen_release_tx_buffers(adapter);
b2af9cb0 1180 spin_unlock(&adapter->tx_clean_lock);
9f5bc7f1
DP		 1181}
1182
6f771419
AKS		 1183/* Usage: During suspend and firmware recovery module */
1184
1185static inline void
1186netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1187{
1188 rtnl_lock();
1189 if (netif_running(netdev))
1190 __netxen_nic_down(adapter, netdev);
1191 rtnl_unlock();
1192
1193}
9f5bc7f1
DP		 1194
1195static int
1196netxen_nic_attach(struct netxen_adapter *adapter)
1197{
1198 struct net_device *netdev = adapter->netdev;
1199 struct pci_dev *pdev = adapter->pdev;
becf46a0 1200 int err, ring;
d8b100c5 1201 struct nx_host_rds_ring *rds_ring;
d877f1e3 1202 struct nx_host_tx_ring *tx_ring;
01da0c2b 1203 u32 capab2;
9f5bc7f1 1204
7042cd8f
AKS		 1205 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1206 return 0;
1207
9f5bc7f1 1208 err = netxen_init_firmware(adapter);
232e7d68
DP		 1209 if (err)
1210 return err;
1211
01da0c2b
RB		 1212 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1213 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1214 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1215 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1216 adapter->flags |= NETXEN_FW_MSS_CAP;
1217 }
1218
232e7d68
DP		 1219 err = netxen_napi_add(adapter, netdev);
1220 if (err)
1221 return err;
9f5bc7f1 1222
9f5bc7f1
DP		 1223 err = netxen_alloc_sw_resources(adapter);
1224 if (err) {
1225 printk(KERN_ERR "%s: Error in setting sw resources\n",
1226 netdev->name);
1227 return err;
1228 }
1229
9f5bc7f1
DP		 1230 err = netxen_alloc_hw_resources(adapter);
1231 if (err) {
1232 printk(KERN_ERR "%s: Error in setting hw resources\n",
1233 netdev->name);
1234 goto err_out_free_sw;
1235 }
1236
4f96b988 1237 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
4ea528a1 1238 tx_ring = adapter->tx_ring;
195c5f98
AKS		 1239 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1240 crb_cmd_producer[adapter->portnum]);
1241 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1242 crb_cmd_consumer[adapter->portnum]);
9f5bc7f1 1243
cb2107be
DP		 1244 tx_ring->producer = 0;
1245 tx_ring->sw_consumer = 0;
1246
1247 netxen_nic_update_cmd_producer(adapter, tx_ring);
1248 netxen_nic_update_cmd_consumer(adapter, tx_ring);
9f5bc7f1
DP		 1249 }
1250
d8b100c5
DP		 1251 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1252 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1253 netxen_post_rx_buffers(adapter, ring, rds_ring);
1254 }
9f5bc7f1
DP		 1255
1256 err = netxen_nic_request_irq(adapter);
1257 if (err) {
1258 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1259 netdev->name);
1260 goto err_out_free_rxbuf;
1261 }
1262
ca2ef330
DP		 1263 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1264 netxen_nic_init_coalesce_defaults(adapter);
1265
fa3ce355
NK		 1266 netxen_create_sysfs_entries(adapter);
1267
9f5bc7f1
DP		 1268 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1269 return 0;
1270
1271err_out_free_rxbuf:
1272 netxen_release_rx_buffers(adapter);
1273 netxen_free_hw_resources(adapter);
1274err_out_free_sw:
1275 netxen_free_sw_resources(adapter);
1276 return err;
1277}
1278
1279static void
1280netxen_nic_detach(struct netxen_adapter *adapter)
1281{
7042cd8f
AKS		 1282 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1283 return;
1284
fa3ce355
NK		 1285 netxen_remove_sysfs_entries(adapter);
1286
9f5bc7f1 1287 netxen_free_hw_resources(adapter);
cf981ffb 1288 netxen_release_rx_buffers(adapter);
be339aee 1289 netxen_nic_free_irq(adapter);
232e7d68 1290 netxen_napi_del(adapter);
9f5bc7f1
DP		 1291 netxen_free_sw_resources(adapter);
1292
1293 adapter->is_up = 0;
1294}
1295
7042cd8f
AKS		 1296int
1297netxen_nic_reset_context(struct netxen_adapter *adapter)
1298{
1299 int err = 0;
1300 struct net_device *netdev = adapter->netdev;
1301
6a581e93
DP		 1302 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1303 return -EBUSY;
1304
7042cd8f
AKS		 1305 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1306
6a581e93
DP		 1307 netif_device_detach(netdev);
1308
7042cd8f 1309 if (netif_running(netdev))
6f771419 1310 __netxen_nic_down(adapter, netdev);
7042cd8f
AKS		 1311
1312 netxen_nic_detach(adapter);
1313
6a581e93
DP		 1314 if (netif_running(netdev)) {
1315 err = netxen_nic_attach(adapter);
1316 if (!err)
6f771419 1317 err = __netxen_nic_up(adapter, netdev);
7042cd8f 1318
6a581e93
DP		 1319 if (err)
1320 goto done;
1321 }
1322
1323 netif_device_attach(netdev);
7042cd8f 1324 }
6a581e93 1325
7042cd8f 1326done:
6a581e93 1327 clear_bit(__NX_RESETTING, &adapter->state);
7042cd8f
AKS		 1328 return err;
1329}
1330
f17443f4
DP		 1331static int
1332netxen_setup_netdev(struct netxen_adapter *adapter,
1333 struct net_device *netdev)
1334{
1335 int err = 0;
1336 struct pci_dev *pdev = adapter->pdev;
1337
f17443f4
DP		 1338 adapter->mc_enabled = 0;
1339 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1340 adapter->max_mc_count = 38;
1341 else
1342 adapter->max_mc_count = 16;
1343
1344 netdev->netdev_ops = &netxen_netdev_ops;
7a9905e6 1345 netdev->watchdog_timeo = 5*HZ;
f17443f4
DP		 1346
1347 netxen_nic_change_mtu(netdev, netdev->mtu);
1348
1349 SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
1350
066413da
MM		 1351 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1352 NETIF_F_RXCSUM;
f17443f4 1353
066413da
MM		 1354 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1355 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1356
1357 netdev->vlan_features |= netdev->hw_features;
f17443f4
DP		 1358
1359 if (adapter->pci_using_dac) {
1360 netdev->features |= NETIF_F_HIGHDMA;
1361 netdev->vlan_features |= NETIF_F_HIGHDMA;
1362 }
1363
028afe71 1364 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
f646968f 1365 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
028afe71 1366
1bb482f8 1367 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
066413da
MM		 1368 netdev->hw_features |= NETIF_F_LRO;
1369
1370 netdev->features |= netdev->hw_features;
1bb482f8 1371
f17443f4
DP		 1372 netdev->irq = adapter->msix_entries[0].vector;
1373
74c520da 1374 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
f17443f4
DP		 1375
1376 if (netxen_read_mac_addr(adapter))
1377 dev_warn(&pdev->dev, "failed to read mac addr\n");
1378
1379 netif_carrier_off(netdev);
f17443f4
DP		 1380
1381 err = register_netdev(netdev);
1382 if (err) {
1383 dev_err(&pdev->dev, "failed to register net device\n");
1384 return err;
1385 }
1386
1387 return 0;
1388}
1389
dce87b96 1390#ifdef CONFIG_PCIEAER
1391static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1392{
1393 struct pci_dev *pdev = adapter->pdev;
1394 struct pci_dev *root = pdev->bus->self;
1395 u32 aer_pos;
1396
e4d1aa40
NA		 1397 /* root bus? */
1398 if (!root)
1399 return;
1400
dce87b96 1401 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1402 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1403 return;
1404
62f87c0e 1405 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
dce87b96 1406 return;
1407
1408 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1409 if (!aer_pos)
1410 return;
1411
1412 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1413}
1414#endif
1415
c3f9c88c 1416static int
3d396eb1
AK		 1417netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1418{
1419 struct net_device *netdev = NULL;
1420 struct netxen_adapter *adapter = NULL;
2956640d 1421 int i = 0, err;
3176ff3e 1422 int pci_func_id = PCI_FUNC(pdev->devfn);
2956640d 1423 uint8_t revision_id;
5a6f95e6 1424 u32 val;
3d396eb1 1425
688328c7
EB		 1426 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1427 pr_warning("%s: chip revisions between 0x%x-0x%x "
11d89d63 1428 "will not be enabled.\n",
c25c0b9b 1429 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
11d89d63
DP		 1430 return -ENODEV;
1431 }
1432
3d396eb1
AK		 1433 if ((err = pci_enable_device(pdev)))
1434 return err;
2956640d 1435
3d396eb1
AK		 1436 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1437 err = -ENODEV;
1438 goto err_out_disable_pdev;
1439 }
1440
1441 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1442 goto err_out_disable_pdev;
1443
e87ad553
AKS		 1444 if (NX_IS_REVISION_P3(pdev->revision))
1445 pci_enable_pcie_error_reporting(pdev);
1446
3d396eb1 1447 pci_set_master(pdev);
3176ff3e
MT		 1448
1449 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1450 if(!netdev) {
f17443f4 1451 err = -ENOMEM;
3176ff3e
MT		 1452 goto err_out_free_res;
1453 }
1454
3176ff3e
MT		 1455 SET_NETDEV_DEV(netdev, &pdev->dev);
1456
4cf1653a 1457 adapter = netdev_priv(netdev);
2956640d
DP		 1458 adapter->netdev = netdev;
1459 adapter->pdev = pdev;
13ba9c77 1460 adapter->ahw.pci_func = pci_func_id;
2956640d
DP		 1461
1462 revision_id = pdev->revision;
1463 adapter->ahw.revision_id = revision_id;
1464
f03b0ebd
DP		 1465 rwlock_init(&adapter->ahw.crb_lock);
1466 spin_lock_init(&adapter->ahw.mem_lock);
1467
d8b100c5 1468 spin_lock_init(&adapter->tx_clean_lock);
5cf4d323 1469 INIT_LIST_HEAD(&adapter->mac_list);
8a7fbfab 1470 INIT_LIST_HEAD(&adapter->ip_list);
3ce06a32 1471
97daee83
DP		 1472 err = netxen_setup_pci_map(adapter);
1473 if (err)
6c80b18d 1474 goto err_out_free_netdev;
3d396eb1 1475
2d1a3bbd 1476 /* This will be reset for mezz cards */
3176ff3e 1477 adapter->portnum = pci_func_id;
3176ff3e 1478
f17443f4
DP		 1479 err = netxen_nic_get_board_info(adapter);
1480 if (err) {
1481 dev_err(&pdev->dev, "Error getting board config info.\n");
dcd56fdb
DP		 1482 goto err_out_iounmap;
1483 }
6c80b18d 1484
dce87b96 1485#ifdef CONFIG_PCIEAER
1486 netxen_mask_aer_correctable(adapter);
1487#endif
1488
13ba9c77 1489 /* Mezz cards have PCI function 0,2,3 enabled */
1e2d0059 1490 switch (adapter->ahw.board_type) {
dc515f2e
DP		 1491 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1492 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1493 if (pci_func_id >= 2)
13ba9c77 1494 adapter->portnum = pci_func_id - 2;
dc515f2e
DP		 1495 break;
1496 default:
1497 break;
1498 }
13ba9c77 1499
e933d019
AKS		 1500 err = netxen_check_flash_fw_compatibility(adapter);
1501 if (err)
1502 goto err_out_iounmap;
1503
5a6f95e6
RB		 1504 if (adapter->portnum == 0) {
1505 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1506 if (val != 0xffffffff && val != 0) {
683b65f8
RB		 1507 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1508 adapter->need_fw_reset = 1;
1509 }
1510 }
1511
6a581e93 1512 err = netxen_start_firmware(adapter);
0b72e659 1513 if (err)
8f9b3f69 1514 goto err_out_decr_ref;
f17443f4 1515
3d396eb1 1516 /*
6c80b18d 1517 * See if the firmware gave us a virtual-physical port mapping.
3d396eb1 1518 */
dcd56fdb 1519 adapter->physical_port = adapter->portnum;
4f96b988 1520 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
f98a9f69 1521 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
044fad0d
DP		 1522 if (i != 0x55555555)
1523 adapter->physical_port = i;
1524 }
6c80b18d 1525
6a581e93 1526 netxen_nic_clear_stats(adapter);
2956640d 1527
97daee83 1528 netxen_setup_intr(adapter);
2956640d 1529
f17443f4 1530 err = netxen_setup_netdev(adapter, netdev);
9dc28efe 1531 if (err)
2956640d 1532 goto err_out_disable_msi;
6c80b18d
MT		 1533
1534 pci_set_drvdata(pdev, adapter);
3d396eb1 1535
6a581e93
DP		 1536 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1537
1e2d0059 1538 switch (adapter->ahw.port_type) {
2956640d
DP		 1539 case NETXEN_NIC_GBE:
1540 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1541 adapter->netdev->name);
1542 break;
1543 case NETXEN_NIC_XGBE:
1544 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1545 adapter->netdev->name);
1546 break;
3d396eb1 1547 }
3d396eb1 1548
70f9cf89
DP		 1549 netxen_create_diag_entries(adapter);
1550
2956640d
DP		 1551 return 0;
1552
1553err_out_disable_msi:
97daee83 1554 netxen_teardown_intr(adapter);
6c80b18d 1555
83ac51fa 1556 netxen_free_dummy_dma(adapter);
3d396eb1 1557
8f9b3f69 1558err_out_decr_ref:
6a581e93
DP		 1559 nx_decr_dev_ref_cnt(adapter);
1560
2956640d 1561err_out_iounmap:
97daee83 1562 netxen_cleanup_pci_map(adapter);
cb8011ad 1563
6c80b18d
MT		 1564err_out_free_netdev:
1565 free_netdev(netdev);
1566
1567err_out_free_res:
3d396eb1 1568 pci_release_regions(pdev);
6c80b18d
MT		 1569
1570err_out_disable_pdev:
2956640d 1571 pci_set_drvdata(pdev, NULL);
3d396eb1
AK		 1572 pci_disable_device(pdev);
1573 return err;
1574}
1575
83f18a55
M		 1576static
1577void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1578{
1579 kfree(adapter->mdump.md_template);
1580 adapter->mdump.md_template = NULL;
1581
1582 if (adapter->mdump.md_capture_buff) {
1583 vfree(adapter->mdump.md_capture_buff);
1584 adapter->mdump.md_capture_buff = NULL;
1585 }
1586}
1587
c3f9c88c 1588static void netxen_nic_remove(struct pci_dev *pdev)
3d396eb1
AK		 1589{
1590 struct netxen_adapter *adapter;
3176ff3e 1591 struct net_device *netdev;
3d396eb1 1592
6c80b18d 1593 adapter = pci_get_drvdata(pdev);
3d396eb1
AK		 1594 if (adapter == NULL)
1595 return;
1596
6c80b18d
MT		 1597 netdev = adapter->netdev;
1598
6a581e93
DP		 1599 netxen_cancel_fw_work(adapter);
1600
96acb6eb
DP		 1601 unregister_netdev(netdev);
1602
e424fa9d
AKS		 1603 cancel_work_sync(&adapter->tx_timeout_task);
1604
8a7fbfab 1605 netxen_free_ip_list(adapter, false);
7042cd8f 1606 netxen_nic_detach(adapter);
3d396eb1 1607
6a581e93
DP		 1608 nx_decr_dev_ref_cnt(adapter);
1609
439b454e 1610 if (adapter->portnum == 0)
83ac51fa 1611 netxen_free_dummy_dma(adapter);
96acb6eb 1612
6a581e93
DP		 1613 clear_bit(__NX_RESETTING, &adapter->state);
1614
97daee83 1615 netxen_teardown_intr(adapter);
3052246c 1616
70f9cf89
DP		 1617 netxen_remove_diag_entries(adapter);
1618
97daee83 1619 netxen_cleanup_pci_map(adapter);
595e3fb8 1620
f7185c71
DP		 1621 netxen_release_firmware(adapter);
1622
83f18a55
M		 1623 if (NX_IS_REVISION_P3(pdev->revision)) {
1624 netxen_cleanup_minidump(adapter);
e87ad553 1625 pci_disable_pcie_error_reporting(pdev);
83f18a55 1626 }
e87ad553 1627
595e3fb8 1628 pci_release_regions(pdev);
3052246c 1629 pci_disable_device(pdev);
595e3fb8
MT		 1630 pci_set_drvdata(pdev, NULL);
1631
6c80b18d 1632 free_netdev(netdev);
3d396eb1 1633}
e87ad553
AKS		 1634
1635static void netxen_nic_detach_func(struct netxen_adapter *adapter)
0b72e659 1636{
0b72e659
DP		 1637 struct net_device *netdev = adapter->netdev;
1638
1639 netif_device_detach(netdev);
1640
6a581e93
DP		 1641 netxen_cancel_fw_work(adapter);
1642
0b72e659
DP		 1643 if (netif_running(netdev))
1644 netxen_nic_down(adapter, netdev);
1645
e424fa9d
AKS		 1646 cancel_work_sync(&adapter->tx_timeout_task);
1647
7042cd8f 1648 netxen_nic_detach(adapter);
0b72e659 1649
22b5794b
AKS		 1650 if (adapter->portnum == 0)
1651 netxen_free_dummy_dma(adapter);
1652
6a581e93
DP		 1653 nx_decr_dev_ref_cnt(adapter);
1654
1655 clear_bit(__NX_RESETTING, &adapter->state);
22b5794b 1656}
0b72e659 1657
e87ad553 1658static int netxen_nic_attach_func(struct pci_dev *pdev)
0b72e659
DP		 1659{
1660 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1661 struct net_device *netdev = adapter->netdev;
1662 int err;
1663
0b72e659
DP		 1664 err = pci_enable_device(pdev);
1665 if (err)
1666 return err;
1667
bc86fcba
AKS		 1668 pci_set_power_state(pdev, PCI_D0);
1669 pci_set_master(pdev);
1670 pci_restore_state(pdev);
1671
907fa120 1672 adapter->ahw.crb_win = -1;
47abe356 1673 adapter->ahw.ocm_win = -1;
0b72e659 1674
6a581e93 1675 err = netxen_start_firmware(adapter);
0b72e659
DP		 1676 if (err) {
1677 dev_err(&pdev->dev, "failed to start firmware\n");
1678 return err;
1679 }
1680
1681 if (netif_running(netdev)) {
1682 err = netxen_nic_attach(adapter);
1683 if (err)
6a581e93 1684 goto err_out;
0b72e659
DP		 1685
1686 err = netxen_nic_up(adapter, netdev);
1687 if (err)
6a581e93 1688 goto err_out_detach;
0b72e659 1689
57569d0e 1690 netxen_restore_indev_addr(netdev, NETDEV_UP);
0b72e659
DP		 1691 }
1692
bc86fcba 1693 netif_device_attach(netdev);
6a581e93 1694 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
07653aa3 1695 return 0;
6a581e93
DP		 1696
1697err_out_detach:
1698 netxen_nic_detach(adapter);
1699err_out:
1700 nx_decr_dev_ref_cnt(adapter);
1701 return err;
0b72e659 1702}
e87ad553
AKS		 1703
1704static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1705 pci_channel_state_t state)
1706{
1707 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1708
1709 if (state == pci_channel_io_perm_failure)
1710 return PCI_ERS_RESULT_DISCONNECT;
1711
1712 if (nx_dev_request_aer(adapter))
1713 return PCI_ERS_RESULT_RECOVERED;
1714
1715 netxen_nic_detach_func(adapter);
1716
1717 pci_disable_device(pdev);
1718
1719 return PCI_ERS_RESULT_NEED_RESET;
1720}
1721
1722static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1723{
1724 int err = 0;
1725
1726 err = netxen_nic_attach_func(pdev);
1727
1728 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1729}
1730
1731static void netxen_io_resume(struct pci_dev *pdev)
1732{
1733 pci_cleanup_aer_uncorrect_error_status(pdev);
1734}
1735
1736static void netxen_nic_shutdown(struct pci_dev *pdev)
1737{
1738 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1739
1740 netxen_nic_detach_func(adapter);
1741
1742 if (pci_save_state(pdev))
1743 return;
1744
1745 if (netxen_nic_wol_supported(adapter)) {
1746 pci_enable_wake(pdev, PCI_D3cold, 1);
1747 pci_enable_wake(pdev, PCI_D3hot, 1);
1748 }
1749
1750 pci_disable_device(pdev);
1751}
1752
1753#ifdef CONFIG_PM
1754static int
1755netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1756{
1757 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1758 int retval;
1759
1760 netxen_nic_detach_func(adapter);
1761
1762 retval = pci_save_state(pdev);
1763 if (retval)
1764 return retval;
1765
1766 if (netxen_nic_wol_supported(adapter)) {
1767 pci_enable_wake(pdev, PCI_D3cold, 1);
1768 pci_enable_wake(pdev, PCI_D3hot, 1);
1769 }
1770
1771 pci_disable_device(pdev);
1772 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1773
1774 return 0;
1775}
1776
1777static int
1778netxen_nic_resume(struct pci_dev *pdev)
1779{
1780 return netxen_nic_attach_func(pdev);
1781}
01542cd1 1782#endif
0b72e659 1783
3d396eb1
AK		 1784static int netxen_nic_open(struct net_device *netdev)
1785{
4cf1653a 1786 struct netxen_adapter *adapter = netdev_priv(netdev);
3d396eb1 1787 int err = 0;
3d396eb1 1788
dcd56fdb
DP		 1789 if (adapter->driver_mismatch)
1790 return -EIO;
1791
7042cd8f
AKS		 1792 err = netxen_nic_attach(adapter);
1793 if (err)
1794 return err;
2956640d 1795
6f771419 1796 err = __netxen_nic_up(adapter, netdev);
9f5bc7f1
DP		 1797 if (err)
1798 goto err_out;
05aaa02d 1799
dcd56fdb 1800 netif_start_queue(netdev);
3d396eb1
AK		 1801
1802 return 0;
2956640d 1803
9f5bc7f1
DP		 1804err_out:
1805 netxen_nic_detach(adapter);
2956640d 1806 return err;
3d396eb1
AK		 1807}
1808
1809/*
1810 * netxen_nic_close - Disables a network interface entry point
1811 */
1812static int netxen_nic_close(struct net_device *netdev)
1813{
3176ff3e 1814 struct netxen_adapter *adapter = netdev_priv(netdev);
3d396eb1 1815
6f771419 1816 __netxen_nic_down(adapter, netdev);
3d396eb1
AK		 1817 return 0;
1818}
1819
1bcfd790
DP		 1820static void
1821netxen_tso_check(struct net_device *netdev,
1822 struct nx_host_tx_ring *tx_ring,
1823 struct cmd_desc_type0 *first_desc,
1824 struct sk_buff *skb)
cd1f8160 1825{
391587c3 1826 u8 opcode = TX_ETHER_PKT;
cdff1036 1827 __be16 protocol = skb->protocol;
028afe71 1828 u16 flags = 0, vid = 0;
1bcfd790 1829 u32 producer;
028afe71 1830 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1bcfd790 1831 struct cmd_desc_type0 *hwdesc;
028afe71 1832 struct vlan_ethhdr *vh;
cdff1036 1833
09640e63 1834 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
028afe71
DP		 1835
1836 vh = (struct vlan_ethhdr *)skb->data;
cdff1036
DP		 1837 protocol = vh->h_vlan_encapsulated_proto;
1838 flags = FLAGS_VLAN_TAGGED;
028afe71
DP		 1839
1840 } else if (vlan_tx_tag_present(skb)) {
028afe71
DP		 1841 flags = FLAGS_VLAN_OOB;
1842 vid = vlan_tx_tag_get(skb);
1843 netxen_set_tx_vlan_tci(first_desc, vid);
1844 vlan_oob = 1;
cdff1036 1845 }
cd1f8160 1846
391587c3
DP		 1847 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1848 skb_shinfo(skb)->gso_size > 0) {
1849
1bcfd790
DP		 1850 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1851
1852 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1853 first_desc->total_hdr_length = hdr_len;
028afe71
DP		 1854 if (vlan_oob) {
1855 first_desc->total_hdr_length += VLAN_HLEN;
1856 first_desc->tcp_hdr_offset = VLAN_HLEN;
1857 first_desc->ip_hdr_offset = VLAN_HLEN;
1858 /* Only in case of TSO on vlan device */
1859 flags |= FLAGS_VLAN_TAGGED;
1860 }
391587c3 1861
09640e63 1862 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
391587c3 1863 TX_TCP_LSO6 : TX_TCP_LSO;
1bcfd790 1864 tso = 1;
cd1f8160
DP		 1865
1866 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
391587c3
DP		 1867 u8 l4proto;
1868
09640e63 1869 if (protocol == cpu_to_be16(ETH_P_IP)) {
391587c3
DP		 1870 l4proto = ip_hdr(skb)->protocol;
1871
1872 if (l4proto == IPPROTO_TCP)
1873 opcode = TX_TCP_PKT;
1874 else if(l4proto == IPPROTO_UDP)
1875 opcode = TX_UDP_PKT;
09640e63 1876 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
391587c3
DP		 1877 l4proto = ipv6_hdr(skb)->nexthdr;
1878
1879 if (l4proto == IPPROTO_TCP)
1880 opcode = TX_TCPV6_PKT;
1881 else if(l4proto == IPPROTO_UDP)
1882 opcode = TX_UDPV6_PKT;
1883 }
cd1f8160 1884 }
028afe71
DP		 1885
1886 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1887 first_desc->ip_hdr_offset += skb_network_offset(skb);
1bcfd790
DP		 1888 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1889
1890 if (!tso)
1891 return;
1892
1893 /* For LSO, we need to copy the MAC/IP/TCP headers into
1894 * the descriptor ring
1895 */
1896 producer = tx_ring->producer;
1897 copied = 0;
1898 offset = 2;
1899
028afe71
DP		 1900 if (vlan_oob) {
1901 /* Create a TSO vlan header template for firmware */
1902
1903 hwdesc = &tx_ring->desc_head[producer];
1904 tx_ring->cmd_buf_arr[producer].skb = NULL;
1905
1906 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1907 hdr_len + VLAN_HLEN);
1908
1909 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1910 skb_copy_from_linear_data(skb, vh, 12);
1911 vh->h_vlan_proto = htons(ETH_P_8021Q);
1912 vh->h_vlan_TCI = htons(vid);
1913 skb_copy_from_linear_data_offset(skb, 12,
1914 (char *)vh + 16, copy_len - 16);
1915
545eb370 1916 copied = copy_len - VLAN_HLEN;
028afe71
DP		 1917 offset = 0;
1918
1919 producer = get_next_index(producer, tx_ring->num_desc);
1920 }
1921
1bcfd790
DP		 1922 while (copied < hdr_len) {
1923
1924 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1925 (hdr_len - copied));
1926
1927 hwdesc = &tx_ring->desc_head[producer];
1928 tx_ring->cmd_buf_arr[producer].skb = NULL;
1929
1930 skb_copy_from_linear_data_offset(skb, copied,
1931 (char *)hwdesc + offset, copy_len);
1932
1933 copied += copy_len;
1934 offset = 0;
1935
1936 producer = get_next_index(producer, tx_ring->num_desc);
1937 }
1938
1939 tx_ring->producer = producer;
1940 barrier();
cd1f8160
DP		 1941}
1942
ce644ed4
DP		 1943static int
1944netxen_map_tx_skb(struct pci_dev *pdev,
1945 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
6f703406 1946{
ce644ed4
DP		 1947 struct netxen_skb_frag *nf;
1948 struct skb_frag_struct *frag;
1949 int i, nr_frags;
1950 dma_addr_t map;
1951
1952 nr_frags = skb_shinfo(skb)->nr_frags;
1953 nf = &pbuf->frag_array[0];
1954
1955 map = pci_map_single(pdev, skb->data,
1956 skb_headlen(skb), PCI_DMA_TODEVICE);
1957 if (pci_dma_mapping_error(pdev, map))
1958 goto out_err;
6f703406 1959
ce644ed4
DP		 1960 nf->dma = map;
1961 nf->length = skb_headlen(skb);
1962
1963 for (i = 0; i < nr_frags; i++) {
1964 frag = &skb_shinfo(skb)->frags[i];
1965 nf = &pbuf->frag_array[i+1];
1966
9e903e08 1967 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
5d6bcdfe
IC		 1968 DMA_TO_DEVICE);
1969 if (dma_mapping_error(&pdev->dev, map))
ce644ed4
DP		 1970 goto unwind;
1971
1972 nf->dma = map;
9e903e08 1973 nf->length = skb_frag_size(frag);
ce644ed4
DP		 1974 }
1975
1976 return 0;
6f703406 1977
ce644ed4 1978unwind:
cf503e8f
DP		 1979 while (--i >= 0) {
1980 nf = &pbuf->frag_array[i+1];
ce644ed4 1981 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
a05948f2 1982 nf->dma = 0ULL;
6f703406 1983 }
ce644ed4
DP		 1984
1985 nf = &pbuf->frag_array[0];
1986 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
a05948f2 1987 nf->dma = 0ULL;
ce644ed4
DP		 1988
1989out_err:
1990 return -ENOMEM;
6f703406
DP		 1991}
1992
d32cc3d2
DP		 1993static inline void
1994netxen_clear_cmddesc(u64 *desc)
1995{
1bcfd790
DP		 1996 desc[0] = 0ULL;
1997 desc[2] = 0ULL;
d32cc3d2
DP		 1998}
1999
61357325 2000static netdev_tx_t
d32cc3d2 2001netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
3d396eb1 2002{
3176ff3e 2003 struct netxen_adapter *adapter = netdev_priv(netdev);
4ea528a1 2004 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
391587c3 2005 struct netxen_cmd_buffer *pbuf;
3d396eb1 2006 struct netxen_skb_frag *buffrag;
1bcfd790
DP		 2007 struct cmd_desc_type0 *hwdesc, *first_desc;
2008 struct pci_dev *pdev;
391587c3 2009 int i, k;
c968bdf6 2010 int delta = 0;
2011 struct skb_frag_struct *frag;
3d396eb1 2012
cb2107be 2013 u32 producer;
ce644ed4 2014 int frag_count, no_of_desc;
d877f1e3 2015 u32 num_txd = tx_ring->num_desc;
3d396eb1 2016
3d396eb1
AK		 2017 frag_count = skb_shinfo(skb)->nr_frags + 1;
2018
c968bdf6 2019 /* 14 frags supported for normal packet and
2020 * 32 frags supported for TSO packet
2021 */
2022 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2023
2024 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2025 frag = &skb_shinfo(skb)->frags[i];
9e903e08 2026 delta += skb_frag_size(frag);
c968bdf6 2027 }
2028
2029 if (!__pskb_pull_tail(skb, delta))
2030 goto drop_packet;
2031
2032 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2033 }
d877f1e3 2034 /* 4 fragments per cmd des */
3d396eb1 2035 no_of_desc = (frag_count + 3) >> 2;
53a01e00 2036
7a9905e6 2037 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
ba53e6b4 2038 netif_stop_queue(netdev);
7a9905e6
RB		 2039 smp_mb();
2040 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2041 netif_start_queue(netdev);
2042 else
2043 return NETDEV_TX_BUSY;
53a01e00 2044 }
3d396eb1 2045
cb2107be 2046 producer = tx_ring->producer;
ce644ed4 2047 pbuf = &tx_ring->cmd_buf_arr[producer];
cb2107be 2048
1bcfd790 2049 pdev = adapter->pdev;
391587c3 2050
ce644ed4 2051 if (netxen_map_tx_skb(pdev, skb, pbuf))
1bcfd790 2052 goto drop_packet;
391587c3 2053
3d396eb1 2054 pbuf->skb = skb;
3d396eb1 2055 pbuf->frag_count = frag_count;
6f703406 2056
1bcfd790
DP		 2057 first_desc = hwdesc = &tx_ring->desc_head[producer];
2058 netxen_clear_cmddesc((u64 *)hwdesc);
3d396eb1 2059
ce644ed4
DP		 2060 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2061 netxen_set_tx_port(first_desc, adapter->portnum);
3d396eb1 2062
ce644ed4 2063 for (i = 0; i < frag_count; i++) {
3d396eb1 2064
ce644ed4
DP		 2065 k = i % 4;
2066
2067 if ((k == 0) && (i > 0)) {
2068 /* move to next desc.*/
ba53e6b4 2069 producer = get_next_index(producer, num_txd);
d877f1e3 2070 hwdesc = &tx_ring->desc_head[producer];
d32cc3d2 2071 netxen_clear_cmddesc((u64 *)hwdesc);
ce644ed4 2072 tx_ring->cmd_buf_arr[producer].skb = NULL;
6f703406 2073 }
3d396eb1 2074
ce644ed4 2075 buffrag = &pbuf->frag_array[i];
3d396eb1 2076
ce644ed4 2077 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
3d396eb1
AK		 2078 switch (k) {
2079 case 0:
ce644ed4 2080 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
3d396eb1
AK		 2081 break;
2082 case 1:
ce644ed4 2083 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
3d396eb1
AK		 2084 break;
2085 case 2:
ce644ed4 2086 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
3d396eb1
AK		 2087 break;
2088 case 3:
ce644ed4 2089 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
3d396eb1
AK		 2090 break;
2091 }
3d396eb1 2092 }
ce644ed4 2093
1bcfd790 2094 tx_ring->producer = get_next_index(producer, num_txd);
3d396eb1 2095
1bcfd790 2096 netxen_tso_check(netdev, tx_ring, first_desc, skb);
6c80b18d 2097
1bcfd790 2098 adapter->stats.txbytes += skb->len;
ba53e6b4 2099 adapter->stats.xmitcalled++;
3d396eb1 2100
c82b9d7f
ED		 2101 netxen_nic_update_cmd_producer(adapter, tx_ring);
2102
3d396eb1 2103 return NETDEV_TX_OK;
6f703406
DP		 2104
2105drop_packet:
2106 adapter->stats.txdropped++;
2107 dev_kfree_skb_any(skb);
2108 return NETDEV_TX_OK;
3d396eb1
AK		 2109}
2110
a97342f9
DP		 2111static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2112{
2113 struct net_device *netdev = adapter->netdev;
2114 uint32_t temp, temp_state, temp_val;
2115 int rv = 0;
2116
f98a9f69 2117 temp = NXRD32(adapter, CRB_TEMP_STATE);
a97342f9
DP		 2118
2119 temp_state = nx_get_temp_state(temp);
2120 temp_val = nx_get_temp_val(temp);
2121
2122 if (temp_state == NX_TEMP_PANIC) {
2123 printk(KERN_ALERT
2124 "%s: Device temperature %d degrees C exceeds"
2125 " maximum allowed. Hardware has been shut down.\n",
e4135c2d 2126 netdev->name, temp_val);
a97342f9
DP		 2127 rv = 1;
2128 } else if (temp_state == NX_TEMP_WARN) {
2129 if (adapter->temp == NX_TEMP_NORMAL) {
2130 printk(KERN_ALERT
2131 "%s: Device temperature %d degrees C "
2132 "exceeds operating range."
2133 " Immediate action needed.\n",
e4135c2d 2134 netdev->name, temp_val);
a97342f9
DP		 2135 }
2136 } else {
2137 if (adapter->temp == NX_TEMP_WARN) {
2138 printk(KERN_INFO
2139 "%s: Device temperature is now %d degrees C"
e4135c2d 2140 " in normal range.\n", netdev->name,
a97342f9
DP		 2141 temp_val);
2142 }
2143 }
2144 adapter->temp = temp_state;
2145 return rv;
2146}
2147
3bf26ce3 2148void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
a97342f9
DP		 2149{
2150 struct net_device *netdev = adapter->netdev;
a97342f9
DP		 2151
2152 if (adapter->ahw.linkup && !linkup) {
2153 printk(KERN_INFO "%s: %s NIC Link is down\n",
2154 netxen_nic_driver_name, netdev->name);
2155 adapter->ahw.linkup = 0;
2156 if (netif_running(netdev)) {
2157 netif_carrier_off(netdev);
2158 netif_stop_queue(netdev);
2159 }
e424fa9d 2160 adapter->link_changed = !adapter->has_link_events;
a97342f9
DP		 2161 } else if (!adapter->ahw.linkup && linkup) {
2162 printk(KERN_INFO "%s: %s NIC Link is up\n",
2163 netxen_nic_driver_name, netdev->name);
2164 adapter->ahw.linkup = 1;
2165 if (netif_running(netdev)) {
2166 netif_carrier_on(netdev);
2167 netif_wake_queue(netdev);
2168 }
e424fa9d 2169 adapter->link_changed = !adapter->has_link_events;
a97342f9
DP		 2170 }
2171}
2172
3bf26ce3
DP		 2173static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2174{
2175 u32 val, port, linkup;
2176
2177 port = adapter->physical_port;
2178
2179 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
f98a9f69 2180 val = NXRD32(adapter, CRB_XG_STATE_P3);
3bf26ce3
DP		 2181 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2182 linkup = (val == XG_LINK_UP_P3);
2183 } else {
f98a9f69 2184 val = NXRD32(adapter, CRB_XG_STATE);
a4b751d8
SC		 2185 val = (val >> port*8) & 0xff;
2186 linkup = (val == XG_LINK_UP);
3bf26ce3
DP		 2187 }
2188
2189 netxen_advert_link_change(adapter, linkup);
2190}
2191
3d396eb1
AK		 2192static void netxen_tx_timeout(struct net_device *netdev)
2193{
e424fa9d 2194 struct netxen_adapter *adapter = netdev_priv(netdev);
f17443f4 2195
6a581e93
DP		 2196 if (test_bit(__NX_RESETTING, &adapter->state))
2197 return;
2198
f17443f4 2199 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
e424fa9d 2200 schedule_work(&adapter->tx_timeout_task);
3d396eb1
AK		 2201}
2202
74c520da 2203static void netxen_tx_timeout_task(struct work_struct *work)
3d396eb1 2204{
4790654c 2205 struct netxen_adapter *adapter =
3176ff3e 2206 container_of(work, struct netxen_adapter, tx_timeout_task);
3d396eb1 2207
b2af9cb0
DP		 2208 if (!netif_running(adapter->netdev))
2209 return;
2210
74c520da 2211 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
6a581e93
DP		 2212 return;
2213
74c520da
AKS		 2214 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2215 goto request_reset;
2216
16d884bd 2217 rtnl_lock();
74c520da
AKS		 2218 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2219 /* try to scrub interrupt */
2220 netxen_napi_disable(adapter);
ba53e6b4 2221
74c520da
AKS		 2222 netxen_napi_enable(adapter);
2223
2224 netif_wake_queue(adapter->netdev);
2225
a598ae17 2226 clear_bit(__NX_RESETTING, &adapter->state);
74c520da 2227 } else {
a598ae17 2228 clear_bit(__NX_RESETTING, &adapter->state);
16d884bd
AKS		 2229 if (netxen_nic_reset_context(adapter)) {
2230 rtnl_unlock();
2231 goto request_reset;
74c520da 2232 }
74c520da 2233 }
16d884bd
AKS		 2234 adapter->netdev->trans_start = jiffies;
2235 rtnl_unlock();
2236 return;
74c520da
AKS		 2237
2238request_reset:
2239 adapter->need_fw_reset = 1;
ff8a306d 2240 clear_bit(__NX_RESETTING, &adapter->state);
3d396eb1
AK		 2241}
2242
47fd428c 2243static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
2244 struct rtnl_link_stats64 *stats)
a97342f9
DP		 2245{
2246 struct netxen_adapter *adapter = netdev_priv(netdev);
a97342f9 2247
1bb482f8 2248 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
e98e3350 2249 stats->tx_packets = adapter->stats.xmitfinished;
a97342f9 2250 stats->rx_bytes = adapter->stats.rxbytes;
a97342f9 2251 stats->tx_bytes = adapter->stats.txbytes;
a97342f9 2252 stats->rx_dropped = adapter->stats.rxdropped;
a97342f9
DP		 2253 stats->tx_dropped = adapter->stats.txdropped;
2254
2255 return stats;
2256}
2257
e4c93c81 2258static irqreturn_t netxen_intr(int irq, void *data)
3d396eb1 2259{
d8b100c5
DP		 2260 struct nx_host_sds_ring *sds_ring = data;
2261 struct netxen_adapter *adapter = sds_ring->adapter;
d71e1be8
DP		 2262 u32 status = 0;
2263
195c5f98 2264 status = readl(adapter->isr_int_vec);
d71e1be8 2265
195c5f98 2266 if (!(status & adapter->int_vec_bit))
05aaa02d 2267 return IRQ_NONE;
e01872af 2268
195c5f98 2269 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
d71e1be8 2270 /* check interrupt state machine, to be sure */
195c5f98 2271 status = readl(adapter->crb_int_state_reg);
d71e1be8
DP		 2272 if (!ISR_LEGACY_INT_TRIGGERED(status))
2273 return IRQ_NONE;
2274
092bc571
DP		 2275 } else {
2276 unsigned long our_int = 0;
d71e1be8 2277
195c5f98 2278 our_int = readl(adapter->crb_int_state_reg);
092bc571 2279
d71e1be8 2280 /* not our interrupt */
092bc571 2281 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
d71e1be8
DP		 2282 return IRQ_NONE;
2283
092bc571 2284 /* claim interrupt */
195c5f98 2285 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
e01872af 2286
195c5f98 2287 /* clear interrupt */
d8b100c5 2288 netxen_nic_disable_int(sds_ring);
195c5f98 2289 }
092bc571 2290
195c5f98 2291 writel(0xffffffff, adapter->tgt_status_reg);
092bc571 2292 /* read twice to ensure write is flushed */
195c5f98
AKS		 2293 readl(adapter->isr_int_vec);
2294 readl(adapter->isr_int_vec);
092bc571 2295
d8b100c5 2296 napi_schedule(&sds_ring->napi);
3d396eb1
AK		 2297
2298 return IRQ_HANDLED;
2299}
2300
e4c93c81 2301static irqreturn_t netxen_msi_intr(int irq, void *data)
05aaa02d 2302{
d8b100c5
DP		 2303 struct nx_host_sds_ring *sds_ring = data;
2304 struct netxen_adapter *adapter = sds_ring->adapter;
05aaa02d 2305
092bc571 2306 /* clear interrupt */
195c5f98 2307 writel(0xffffffff, adapter->tgt_status_reg);
092bc571 2308
d8b100c5 2309 napi_schedule(&sds_ring->napi);
05aaa02d
DP		 2310 return IRQ_HANDLED;
2311}
2312
b3df68f8
DP		 2313static irqreturn_t netxen_msix_intr(int irq, void *data)
2314{
d8b100c5 2315 struct nx_host_sds_ring *sds_ring = data;
b3df68f8 2316
d8b100c5 2317 napi_schedule(&sds_ring->napi);
b3df68f8
DP		 2318 return IRQ_HANDLED;
2319}
2320
bea3348e 2321static int netxen_nic_poll(struct napi_struct *napi, int budget)
3d396eb1 2322{
d8b100c5
DP		 2323 struct nx_host_sds_ring *sds_ring =
2324 container_of(napi, struct nx_host_sds_ring, napi);
2325
2326 struct netxen_adapter *adapter = sds_ring->adapter;
2327
05aaa02d 2328 int tx_complete;
bea3348e 2329 int work_done;
3d396eb1 2330
05aaa02d 2331 tx_complete = netxen_process_cmd_ring(adapter);
3d396eb1 2332
d8b100c5 2333 work_done = netxen_process_rcv_ring(sds_ring, budget);
3d396eb1 2334
05aaa02d 2335 if ((work_done < budget) && tx_complete) {
d8b100c5 2336 napi_complete(&sds_ring->napi);
f2251f66 2337 if (test_bit(__NX_DEV_UP, &adapter->state))
b2af9cb0 2338 netxen_nic_enable_int(sds_ring);
3d396eb1
AK		 2339 }
2340
bea3348e 2341 return work_done;
3d396eb1
AK		 2342}
2343
2344#ifdef CONFIG_NET_POLL_CONTROLLER
2345static void netxen_nic_poll_controller(struct net_device *netdev)
2346{
7b589a35
YL		 2347 int ring;
2348 struct nx_host_sds_ring *sds_ring;
3176ff3e 2349 struct netxen_adapter *adapter = netdev_priv(netdev);
7b589a35
YL		 2350 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2351
3d396eb1 2352 disable_irq(adapter->irq);
7b589a35
YL		 2353 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2354 sds_ring = &recv_ctx->sds_rings[ring];
2355 netxen_intr(adapter->irq, sds_ring);
2356 }
3d396eb1
AK		 2357 enable_irq(adapter->irq);
2358}
2359#endif
3d396eb1 2360
6a581e93
DP		 2361static int
2362nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2363{
2364 int count;
2365 if (netxen_api_lock(adapter))
2366 return -EIO;
2367
2368 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2369
2370 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2371
2372 netxen_api_unlock(adapter);
2373 return count;
2374}
2375
2376static int
2377nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2378{
83f18a55 2379 int count, state;
6a581e93
DP		 2380 if (netxen_api_lock(adapter))
2381 return -EIO;
2382
2383 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2384 WARN_ON(count == 0);
2385
2386 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
83f18a55 2387 state = NXRD32(adapter, NX_CRB_DEV_STATE);
6a581e93 2388
83f18a55 2389 if (count == 0 && state != NX_DEV_FAILED)
6a581e93
DP		 2390 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2391
2392 netxen_api_unlock(adapter);
2393 return count;
2394}
2395
e87ad553
AKS		 2396static int
2397nx_dev_request_aer(struct netxen_adapter *adapter)
2398{
2399 u32 state;
2400 int ret = -EINVAL;
2401
2402 if (netxen_api_lock(adapter))
2403 return ret;
2404
2405 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2406
2407 if (state == NX_DEV_NEED_AER)
2408 ret = 0;
2409 else if (state == NX_DEV_READY) {
2410 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2411 ret = 0;
2412 }
2413
2414 netxen_api_unlock(adapter);
2415 return ret;
2416}
2417
83f18a55 2418int
74c520da
AKS		 2419nx_dev_request_reset(struct netxen_adapter *adapter)
2420{
2421 u32 state;
e87ad553 2422 int ret = -EINVAL;
74c520da
AKS		 2423
2424 if (netxen_api_lock(adapter))
e87ad553 2425 return ret;
74c520da
AKS		 2426
2427 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2428
83f18a55 2429 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
e87ad553
AKS		 2430 ret = 0;
2431 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
74c520da 2432 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
83f18a55 2433 adapter->flags |= NETXEN_FW_RESET_OWNER;
e87ad553
AKS		 2434 ret = 0;
2435 }
74c520da
AKS		 2436
2437 netxen_api_unlock(adapter);
e87ad553
AKS		 2438
2439 return ret;
74c520da
AKS		 2440}
2441
6a581e93
DP		 2442static int
2443netxen_can_start_firmware(struct netxen_adapter *adapter)
2444{
2445 int count;
2446 int can_start = 0;
2447
83f18a55
M		 2448 if (netxen_api_lock(adapter)) {
2449 nx_incr_dev_ref_cnt(adapter);
2450 return -1;
2451 }
6a581e93
DP		 2452
2453 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2454
2455 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2456 count = 0;
2457
2458 if (count == 0) {
2459 can_start = 1;
2460 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2461 }
2462
2463 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2464
2465 netxen_api_unlock(adapter);
2466
2467 return can_start;
2468}
2469
2470static void
2471netxen_schedule_work(struct netxen_adapter *adapter,
2472 work_func_t func, int delay)
2473{
2474 INIT_DELAYED_WORK(&adapter->fw_work, func);
2475 schedule_delayed_work(&adapter->fw_work, delay);
2476}
2477
2478static void
2479netxen_cancel_fw_work(struct netxen_adapter *adapter)
2480{
2481 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2482 msleep(10);
2483
2484 cancel_delayed_work_sync(&adapter->fw_work);
2485}
2486
2487static void
2488netxen_attach_work(struct work_struct *work)
2489{
2490 struct netxen_adapter *adapter = container_of(work,
2491 struct netxen_adapter, fw_work.work);
2492 struct net_device *netdev = adapter->netdev;
2493 int err = 0;
2494
2495 if (netif_running(netdev)) {
2496 err = netxen_nic_attach(adapter);
2497 if (err)
2498 goto done;
2499
2500 err = netxen_nic_up(adapter, netdev);
2501 if (err) {
2502 netxen_nic_detach(adapter);
2503 goto done;
2504 }
2505
57569d0e 2506 netxen_restore_indev_addr(netdev, NETDEV_UP);
6a581e93
DP		 2507 }
2508
2509 netif_device_attach(netdev);
2510
2511done:
2512 adapter->fw_fail_cnt = 0;
2513 clear_bit(__NX_RESETTING, &adapter->state);
2514 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2515}
2516
2517static void
2518netxen_fwinit_work(struct work_struct *work)
2519{
2520 struct netxen_adapter *adapter = container_of(work,
2521 struct netxen_adapter, fw_work.work);
2522 int dev_state;
83f18a55 2523 int count;
6a581e93 2524 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
83f18a55
M		 2525 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2526 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2527 WARN_ON(count == 0);
2528 if (count == 1) {
2529 if (adapter->mdump.md_enabled) {
2530 rtnl_lock();
2531 netxen_dump_fw(adapter);
2532 rtnl_unlock();
2533 }
2534 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2535 if (netxen_api_lock(adapter)) {
2536 clear_bit(__NX_RESETTING, &adapter->state);
2537 NXWR32(adapter, NX_CRB_DEV_STATE,
2538 NX_DEV_FAILED);
2539 return;
2540 }
2541 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2542 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2543 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2544 dev_state = NX_DEV_COLD;
2545 netxen_api_unlock(adapter);
2546 }
2547 }
6a581e93
DP		 2548
2549 switch (dev_state) {
2550 case NX_DEV_COLD:
2551 case NX_DEV_READY:
74c520da
AKS		 2552 if (!netxen_start_firmware(adapter)) {
2553 netxen_schedule_work(adapter, netxen_attach_work, 0);
2554 return;
2555 }
2556 break;
6a581e93 2557
6b50ea15 2558 case NX_DEV_NEED_RESET:
6a581e93 2559 case NX_DEV_INITALIZING:
6a581e93
DP		 2560 netxen_schedule_work(adapter,
2561 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2562 return;
6a581e93
DP		 2563
2564 case NX_DEV_FAILED:
2565 default:
8f9b3f69 2566 nx_incr_dev_ref_cnt(adapter);
6a581e93
DP		 2567 break;
2568 }
2569
83f18a55
M		 2570 if (netxen_api_lock(adapter)) {
2571 clear_bit(__NX_RESETTING, &adapter->state);
2572 return;
2573 }
2574 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2575 netxen_api_unlock(adapter);
2576 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2577 adapter->netdev->name);
2578
6a581e93
DP		 2579 clear_bit(__NX_RESETTING, &adapter->state);
2580}
2581
2582static void
2583netxen_detach_work(struct work_struct *work)
2584{
2585 struct netxen_adapter *adapter = container_of(work,
2586 struct netxen_adapter, fw_work.work);
2587 struct net_device *netdev = adapter->netdev;
83f18a55 2588 int ref_cnt = 0, delay;
6a581e93
DP		 2589 u32 status;
2590
2591 netif_device_detach(netdev);
2592
6f771419 2593 netxen_nic_down(adapter, netdev);
6a581e93 2594
e15eec28 2595 rtnl_lock();
6a581e93 2596 netxen_nic_detach(adapter);
e15eec28 2597 rtnl_unlock();
6a581e93
DP		 2598
2599 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2600
6a581e93 2601 if (status & NX_RCODE_FATAL_ERROR)
8f9b3f69 2602 goto err_ret;
6a581e93
DP		 2603
2604 if (adapter->temp == NX_TEMP_PANIC)
8f9b3f69
AKS		 2605 goto err_ret;
2606
83f18a55
M		 2607 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2608 ref_cnt = nx_decr_dev_ref_cnt(adapter);
6a581e93 2609
6b50ea15
AKS		 2610 if (ref_cnt == -EIO)
2611 goto err_ret;
2612
6a581e93
DP		 2613 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2614
2615 adapter->fw_wait_cnt = 0;
2616 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
8f9b3f69
AKS		 2617
2618 return;
2619
2620err_ret:
2621 clear_bit(__NX_RESETTING, &adapter->state);
6a581e93
DP		 2622}
2623
2624static int
2625netxen_check_health(struct netxen_adapter *adapter)
2626{
2627 u32 state, heartbit;
5471aed0 2628 u32 peg_status;
6a581e93
DP		 2629 struct net_device *netdev = adapter->netdev;
2630
e87ad553
AKS		 2631 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2632 if (state == NX_DEV_NEED_AER)
2633 return 0;
2634
6a581e93
DP		 2635 if (netxen_nic_check_temp(adapter))
2636 goto detach;
2637
74c520da 2638 if (adapter->need_fw_reset) {
e87ad553
AKS		 2639 if (nx_dev_request_reset(adapter))
2640 return 0;
74c520da
AKS		 2641 goto detach;
2642 }
2643
e87ad553
AKS		 2644 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2645 * 1. Tx timeout 2. Fw hang
2646 * Send request to destroy context in case of tx timeout only
2647 * and doesn't required in case of Fw hang
2648 */
83f18a55 2649 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
6a808c6c 2650 adapter->need_fw_reset = 1;
e87ad553
AKS		 2651 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2652 goto detach;
6a808c6c 2653 }
6a581e93
DP		 2654
2655 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2656 return 0;
2657
2658 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2659 if (heartbit != adapter->heartbit) {
2660 adapter->heartbit = heartbit;
2661 adapter->fw_fail_cnt = 0;
e87ad553
AKS		 2662 if (adapter->need_fw_reset)
2663 goto detach;
6a581e93
DP		 2664 return 0;
2665 }
2666
2667 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2668 return 0;
2669
e87ad553
AKS		 2670 if (nx_dev_request_reset(adapter))
2671 return 0;
2672
6a581e93
DP		 2673 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2674
5471aed0
SV		 2675 dev_err(&netdev->dev, "firmware hang detected\n");
2676 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2677 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2678 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2679 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2680 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2681 "PEG_NET_4_PC: 0x%x\n",
2682 peg_status,
2683 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2684 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2685 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2686 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2687 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2688 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2689 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2690 dev_err(&adapter->pdev->dev,
2691 "Firmware aborted with error code 0x00006700. "
2692 "Device is being reset.\n");
6a581e93 2693detach:
caa2dd53
NK		 2694 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2695 !test_and_set_bit(__NX_RESETTING, &adapter->state))
6a581e93
DP		 2696 netxen_schedule_work(adapter, netxen_detach_work, 0);
2697 return 1;
2698}
2699
2700static void
2701netxen_fw_poll_work(struct work_struct *work)
2702{
2703 struct netxen_adapter *adapter = container_of(work,
2704 struct netxen_adapter, fw_work.work);
2705
2706 if (test_bit(__NX_RESETTING, &adapter->state))
2707 goto reschedule;
2708
2709 if (test_bit(__NX_DEV_UP, &adapter->state)) {
2710 if (!adapter->has_link_events) {
2711
2712 netxen_nic_handle_phy_intr(adapter);
2713
2714 if (adapter->link_changed)
2715 netxen_nic_set_link_parameters(adapter);
2716 }
2717 }
2718
2719 if (netxen_check_health(adapter))
2720 return;
2721
2722reschedule:
2723 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2724}
2725
fa3ce355
NK		 2726static ssize_t
2727netxen_store_bridged_mode(struct device *dev,
2728 struct device_attribute *attr, const char *buf, size_t len)
2729{
2730 struct net_device *net = to_net_dev(dev);
2731 struct netxen_adapter *adapter = netdev_priv(net);
2732 unsigned long new;
2733 int ret = -EINVAL;
2734
2735 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2736 goto err_out;
2737
2738 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2739 goto err_out;
2740
2741 if (strict_strtoul(buf, 2, &new))
2742 goto err_out;
2743
2744 if (!netxen_config_bridged_mode(adapter, !!new))
2745 ret = len;
2746
2747err_out:
2748 return ret;
2749}
2750
2751static ssize_t
2752netxen_show_bridged_mode(struct device *dev,
2753 struct device_attribute *attr, char *buf)
2754{
2755 struct net_device *net = to_net_dev(dev);
2756 struct netxen_adapter *adapter;
2757 int bridged_mode = 0;
2758
2759 adapter = netdev_priv(net);
2760
2761 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2762 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2763
2764 return sprintf(buf, "%d\n", bridged_mode);
2765}
2766
2767static struct device_attribute dev_attr_bridged_mode = {
2768 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2769 .show = netxen_show_bridged_mode,
2770 .store = netxen_store_bridged_mode,
2771};
2772
70f9cf89
DP		 2773static ssize_t
2774netxen_store_diag_mode(struct device *dev,
2775 struct device_attribute *attr, const char *buf, size_t len)
2776{
2777 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2778 unsigned long new;
2779
2780 if (strict_strtoul(buf, 2, &new))
2781 return -EINVAL;
2782
2783 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2784 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2785
2786 return len;
2787}
2788
2789static ssize_t
2790netxen_show_diag_mode(struct device *dev,
2791 struct device_attribute *attr, char *buf)
2792{
2793 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2794
2795 return sprintf(buf, "%d\n",
2796 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2797}
2798
2799static struct device_attribute dev_attr_diag_mode = {
2800 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2801 .show = netxen_show_diag_mode,
2802 .store = netxen_store_diag_mode,
2803};
2804
2805static int
2806netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2807 loff_t offset, size_t size)
2808{
0b9715e6
AKS		 2809 size_t crb_size = 4;
2810
70f9cf89
DP		 2811 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2812 return -EIO;
2813
0b9715e6
AKS		 2814 if (offset < NETXEN_PCI_CRBSPACE) {
2815 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2816 return -EINVAL;
70f9cf89 2817
0b9715e6
AKS		 2818 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2819 NETXEN_PCI_CAMQM_2M_END))
2820 crb_size = 8;
2821 else
2822 return -EINVAL;
2823 }
2824
2825 if ((size != crb_size) || (offset & (crb_size-1)))
2826 return -EINVAL;
70f9cf89
DP		 2827
2828 return 0;
2829}
2830
2831static ssize_t
2c3c8bea
CW		 2832netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2833 struct bin_attribute *attr,
70f9cf89
DP		 2834 char *buf, loff_t offset, size_t size)
2835{
2836 struct device *dev = container_of(kobj, struct device, kobj);
2837 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2838 u32 data;
0b9715e6 2839 u64 qmdata;
70f9cf89
DP		 2840 int ret;
2841
2842 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2843 if (ret != 0)
2844 return ret;
2845
0b9715e6
AKS		 2846 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2847 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2848 NETXEN_PCI_CAMQM_2M_END)) {
2849 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2850 memcpy(buf, &qmdata, size);
2851 } else {
2852 data = NXRD32(adapter, offset);
2853 memcpy(buf, &data, size);
2854 }
2855
70f9cf89
DP		 2856 return size;
2857}
2858
2859static ssize_t
2c3c8bea
CW		 2860netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2861 struct bin_attribute *attr,
70f9cf89
DP		 2862 char *buf, loff_t offset, size_t size)
2863{
2864 struct device *dev = container_of(kobj, struct device, kobj);
2865 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2866 u32 data;
0b9715e6 2867 u64 qmdata;
70f9cf89
DP		 2868 int ret;
2869
2870 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2871 if (ret != 0)
2872 return ret;
2873
0b9715e6
AKS		 2874 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2875 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2876 NETXEN_PCI_CAMQM_2M_END)) {
2877 memcpy(&qmdata, buf, size);
2878 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2879 } else {
2880 memcpy(&data, buf, size);
2881 NXWR32(adapter, offset, data);
2882 }
2883
70f9cf89
DP		 2884 return size;
2885}
2886
2887static int
2888netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2889 loff_t offset, size_t size)
2890{
2891 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2892 return -EIO;
2893
2894 if ((size != 8) || (offset & 0x7))
2895 return -EIO;
2896
2897 return 0;
2898}
2899
2900static ssize_t
2c3c8bea
CW		 2901netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2902 struct bin_attribute *attr,
70f9cf89
DP		 2903 char *buf, loff_t offset, size_t size)
2904{
2905 struct device *dev = container_of(kobj, struct device, kobj);
2906 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2907 u64 data;
2908 int ret;
2909
2910 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2911 if (ret != 0)
2912 return ret;
2913
2914 if (adapter->pci_mem_read(adapter, offset, &data))
2915 return -EIO;
2916
2917 memcpy(buf, &data, size);
2918
2919 return size;
2920}
2921
2c3c8bea 2922static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
70f9cf89
DP		 2923 struct bin_attribute *attr, char *buf,
2924 loff_t offset, size_t size)
2925{
2926 struct device *dev = container_of(kobj, struct device, kobj);
2927 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2928 u64 data;
2929 int ret;
2930
2931 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2932 if (ret != 0)
2933 return ret;
2934
2935 memcpy(&data, buf, size);
2936
2937 if (adapter->pci_mem_write(adapter, offset, data))
2938 return -EIO;
2939
2940 return size;
2941}
2942
2943
2944static struct bin_attribute bin_attr_crb = {
2945 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
2946 .size = 0,
2947 .read = netxen_sysfs_read_crb,
2948 .write = netxen_sysfs_write_crb,
2949};
2950
2951static struct bin_attribute bin_attr_mem = {
2952 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
2953 .size = 0,
2954 .read = netxen_sysfs_read_mem,
2955 .write = netxen_sysfs_write_mem,
2956};
2957
d612698b
SC		 2958static ssize_t
2959netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
2960 struct bin_attribute *attr,
2961 char *buf, loff_t offset, size_t size)
2962{
2963 struct device *dev = container_of(kobj, struct device, kobj);
2964 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2965 struct net_device *netdev = adapter->netdev;
2966 struct netxen_dimm_cfg dimm;
2967 u8 dw, rows, cols, banks, ranks;
2968 u32 val;
2969
2970 if (size != sizeof(struct netxen_dimm_cfg)) {
2971 netdev_err(netdev, "Invalid size\n");
2972 return -1;
2973 }
2974
2975 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
2976 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
2977
2978 /* Checks if DIMM info is valid. */
2979 if (val & NETXEN_DIMM_VALID_FLAG) {
2980 netdev_err(netdev, "Invalid DIMM flag\n");
2981 dimm.presence = 0xff;
2982 goto out;
2983 }
2984
2985 rows = NETXEN_DIMM_NUMROWS(val);
2986 cols = NETXEN_DIMM_NUMCOLS(val);
2987 ranks = NETXEN_DIMM_NUMRANKS(val);
2988 banks = NETXEN_DIMM_NUMBANKS(val);
2989 dw = NETXEN_DIMM_DATAWIDTH(val);
2990
2991 dimm.presence = (val & NETXEN_DIMM_PRESENT);
2992
2993 /* Checks if DIMM info is present. */
2994 if (!dimm.presence) {
2995 netdev_err(netdev, "DIMM not present\n");
2996 goto out;
2997 }
2998
2999 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3000
3001 switch (dimm.dimm_type) {
3002 case NETXEN_DIMM_TYPE_RDIMM:
3003 case NETXEN_DIMM_TYPE_UDIMM:
3004 case NETXEN_DIMM_TYPE_SO_DIMM:
3005 case NETXEN_DIMM_TYPE_Micro_DIMM:
3006 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3007 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3008 break;
3009 default:
3010 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3011 goto out;
3012 }
3013
3014 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3015 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3016 else
3017 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3018
3019 if (val & NETXEN_DIMM_SIZE) {
3020 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3021 goto out;
3022 }
3023
3024 if (!rows) {
3025 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3026 goto out;
3027 }
3028
3029 if (!cols) {
3030 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3031 goto out;
3032 }
3033
3034 if (!banks) {
3035 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3036 goto out;
3037 }
3038
3039 ranks += 1;
3040
3041 switch (dw) {
3042 case 0x0:
3043 dw = 32;
3044 break;
3045 case 0x1:
3046 dw = 33;
3047 break;
3048 case 0x2:
3049 dw = 36;
3050 break;
3051 case 0x3:
3052 dw = 64;
3053 break;
3054 case 0x4:
3055 dw = 72;
3056 break;
3057 case 0x5:
3058 dw = 80;
3059 break;
3060 case 0x6:
3061 dw = 128;
3062 break;
3063 case 0x7:
3064 dw = 144;
3065 break;
3066 default:
3067 netdev_err(netdev, "Invalid data-width %x\n", dw);
3068 goto out;
3069 }
3070
3071 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3072 /* Size returned in MB. */
3073 dimm.size = (dimm.size) / 0x100000;
3074out:
3075 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3076 return sizeof(struct netxen_dimm_cfg);
3077
3078}
3079
3080static struct bin_attribute bin_attr_dimm = {
3081 .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
3082 .size = 0,
3083 .read = netxen_sysfs_read_dimm,
3084};
3085
caa2dd53 3086
fa3ce355
NK		 3087static void
3088netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3089{
b8c30812 3090 struct device *dev = &adapter->pdev->dev;
fa3ce355
NK		 3091
3092 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3093 /* bridged_mode control */
3094 if (device_create_file(dev, &dev_attr_bridged_mode)) {
b8c30812 3095 dev_warn(dev,
fa3ce355
NK		 3096 "failed to create bridged_mode sysfs entry\n");
3097 }
3098 }
3099}
3100
3101static void
3102netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3103{
b8c30812 3104 struct device *dev = &adapter->pdev->dev;
fa3ce355
NK		 3105
3106 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3107 device_remove_file(dev, &dev_attr_bridged_mode);
3108}
3109
70f9cf89
DP		 3110static void
3111netxen_create_diag_entries(struct netxen_adapter *adapter)
3112{
3113 struct pci_dev *pdev = adapter->pdev;
3114 struct device *dev;
3115
3116 dev = &pdev->dev;
3117 if (device_create_file(dev, &dev_attr_diag_mode))
3118 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3119 if (device_create_bin_file(dev, &bin_attr_crb))
3120 dev_info(dev, "failed to create crb sysfs entry\n");
3121 if (device_create_bin_file(dev, &bin_attr_mem))
3122 dev_info(dev, "failed to create mem sysfs entry\n");
d612698b
SC		 3123 if (device_create_bin_file(dev, &bin_attr_dimm))
3124 dev_info(dev, "failed to create dimm sysfs entry\n");
70f9cf89
DP		 3125}
3126
3127
3128static void
3129netxen_remove_diag_entries(struct netxen_adapter *adapter)
3130{
3131 struct pci_dev *pdev = adapter->pdev;
3132 struct device *dev = &pdev->dev;
3133
3134 device_remove_file(dev, &dev_attr_diag_mode);
3135 device_remove_bin_file(dev, &bin_attr_crb);
3136 device_remove_bin_file(dev, &bin_attr_mem);
d612698b 3137 device_remove_bin_file(dev, &bin_attr_dimm);
70f9cf89
DP		 3138}
3139
044824d9
DP		 3140#ifdef CONFIG_INET
3141
6598b169
DP		 3142#define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3143
3144static int
3145netxen_destip_supported(struct netxen_adapter *adapter)
3146{
3147 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3148 return 0;
3149
3150 if (adapter->ahw.cut_through)
3151 return 0;
3152
3153 return 1;
3154}
3155
d0725e4d 3156static void
8a7fbfab 3157netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
57569d0e 3158{
8a7fbfab 3159 struct nx_ip_list *cur, *tmp_cur;
57569d0e 3160
8a7fbfab 3161 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3162 if (master) {
3163 if (cur->master) {
3164 netxen_config_ipaddr(adapter, cur->ip_addr,
3165 NX_IP_DOWN);
3166 list_del(&cur->list);
3167 kfree(cur);
3168 }
3169 } else {
3170 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3171 list_del(&cur->list);
3172 kfree(cur);
3173 }
57569d0e 3174 }
57569d0e 3175}
8a7fbfab 3176
3177static bool
3178netxen_list_config_ip(struct netxen_adapter *adapter,
57569d0e
RB		 3179 struct in_ifaddr *ifa, unsigned long event)
3180{
3181 struct net_device *dev;
8a7fbfab 3182 struct nx_ip_list *cur, *tmp_cur;
57569d0e 3183 struct list_head *head;
8a7fbfab 3184 bool ret = false;
57569d0e
RB		 3185
3186 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3187
3188 if (dev == NULL)
8a7fbfab 3189 goto out;
57569d0e
RB		 3190
3191 switch (event) {
3192 case NX_IP_UP:
8a7fbfab 3193 list_for_each(head, &adapter->ip_list) {
3194 cur = list_entry(head, struct nx_ip_list, list);
57569d0e
RB		 3195
3196 if (cur->ip_addr == ifa->ifa_address)
8a7fbfab 3197 goto out;
57569d0e
RB		 3198 }
3199
8a7fbfab 3200 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
b2adaca9 3201 if (cur == NULL)
8a7fbfab 3202 goto out;
3203 if (dev->priv_flags & IFF_802_1Q_VLAN)
3204 dev = vlan_dev_real_dev(dev);
3205 cur->master = !!netif_is_bond_master(dev);
57569d0e 3206 cur->ip_addr = ifa->ifa_address;
8a7fbfab 3207 list_add_tail(&cur->list, &adapter->ip_list);
3208 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3209 ret = true;
57569d0e
RB		 3210 break;
3211 case NX_IP_DOWN:
3212 list_for_each_entry_safe(cur, tmp_cur,
8a7fbfab 3213 &adapter->ip_list, list) {
57569d0e
RB		 3214 if (cur->ip_addr == ifa->ifa_address) {
3215 list_del(&cur->list);
3216 kfree(cur);
8a7fbfab 3217 netxen_config_ipaddr(adapter, ifa->ifa_address,
3218 NX_IP_DOWN);
3219 ret = true;
57569d0e
RB		 3220 break;
3221 }
3222 }
3223 }
8a7fbfab 3224out:
3225 return ret;
57569d0e 3226}
8a7fbfab 3227
57569d0e
RB		 3228static void
3229netxen_config_indev_addr(struct netxen_adapter *adapter,
3230 struct net_device *dev, unsigned long event)
d0725e4d
AKS		 3231{
3232 struct in_device *indev;
d0725e4d 3233
3db76755 3234 if (!netxen_destip_supported(adapter))
d0725e4d
AKS		 3235 return;
3236
3237 indev = in_dev_get(dev);
3238 if (!indev)
3239 return;
3240
3241 for_ifa(indev) {
3242 switch (event) {
3243 case NETDEV_UP:
8a7fbfab 3244 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
d0725e4d
AKS		 3245 break;
3246 case NETDEV_DOWN:
8a7fbfab 3247 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
d0725e4d
AKS		 3248 break;
3249 default:
3250 break;
3251 }
3252 } endfor_ifa(indev);
3253
3254 in_dev_put(indev);
d0725e4d
AKS		 3255}
3256
57569d0e
RB		 3257static void
3258netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3259
3260{
3261 struct netxen_adapter *adapter = netdev_priv(netdev);
8a7fbfab 3262 struct nx_ip_list *pos, *tmp_pos;
57569d0e
RB		 3263 unsigned long ip_event;
3264
3265 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3266 netxen_config_indev_addr(adapter, netdev, event);
3267
8a7fbfab 3268 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
57569d0e
RB		 3269 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3270 }
3271}
3272
8a7fbfab 3273static inline bool
3274netxen_config_checkdev(struct net_device *dev)
3275{
3276 struct netxen_adapter *adapter;
3277
3278 if (!is_netxen_netdev(dev))
3279 return false;
3280 adapter = netdev_priv(dev);
3281 if (!adapter)
3282 return false;
3283 if (!netxen_destip_supported(adapter))
3284 return false;
3285 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3286 return false;
3287
3288 return true;
3289}
3290
3291/**
3292 * netxen_config_master - configure addresses based on master
3293 * @dev: netxen device
3294 * @event: netdev event
3295 */
3296static void netxen_config_master(struct net_device *dev, unsigned long event)
3297{
3298 struct net_device *master, *slave;
3299 struct netxen_adapter *adapter = netdev_priv(dev);
3300
3301 rcu_read_lock();
3302 master = netdev_master_upper_dev_get_rcu(dev);
3303 /*
3304 * This is the case where the netxen nic is being
3305 * enslaved and is dev_open()ed in bond_enslave()
3306 * Now we should program the bond's (and its vlans')
3307 * addresses in the netxen NIC.
3308 */
3309 if (master && netif_is_bond_master(master) &&
3310 !netif_is_bond_slave(dev)) {
3311 netxen_config_indev_addr(adapter, master, event);
3312 for_each_netdev_rcu(&init_net, slave)
3313 if (slave->priv_flags & IFF_802_1Q_VLAN &&
3314 vlan_dev_real_dev(slave) == master)
3315 netxen_config_indev_addr(adapter, slave, event);
3316 }
3317 rcu_read_unlock();
3318 /*
3319 * This is the case where the netxen nic is being
3320 * released and is dev_close()ed in bond_release()
3321 * just before IFF_BONDING is stripped.
3322 */
3323 if (!master && dev->priv_flags & IFF_BONDING)
3324 netxen_free_ip_list(adapter, true);
3325}
3326
6598b169
DP		 3327static int netxen_netdev_event(struct notifier_block *this,
3328 unsigned long event, void *ptr)
3329{
3330 struct netxen_adapter *adapter;
351638e7 3331 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
57569d0e 3332 struct net_device *orig_dev = dev;
8a7fbfab 3333 struct net_device *slave;
6598b169
DP		 3334
3335recheck:
3336 if (dev == NULL)
3337 goto done;
3338
3339 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3340 dev = vlan_dev_real_dev(dev);
3341 goto recheck;
3342 }
8a7fbfab 3343 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3344 /* If this is a bonding device, look for netxen-based slaves*/
3345 if (netif_is_bond_master(dev)) {
3346 rcu_read_lock();
3347 for_each_netdev_in_bond_rcu(dev, slave) {
3348 if (!netxen_config_checkdev(slave))
3349 continue;
3350 adapter = netdev_priv(slave);
3351 netxen_config_indev_addr(adapter,
3352 orig_dev, event);
3353 }
3354 rcu_read_unlock();
3355 } else {
3356 if (!netxen_config_checkdev(dev))
3357 goto done;
3358 adapter = netdev_priv(dev);
3359 /* Act only if the actual netxen is the target */
3360 if (orig_dev == dev)
3361 netxen_config_master(dev, event);
3362 netxen_config_indev_addr(adapter, orig_dev, event);
3363 }
3364 }
6598b169
DP		 3365done:
3366 return NOTIFY_DONE;
3367}
3368
3369static int
3370netxen_inetaddr_event(struct notifier_block *this,
3371 unsigned long event, void *ptr)
3372{
3373 struct netxen_adapter *adapter;
8a7fbfab 3374 struct net_device *dev, *slave;
6598b169 3375 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8a7fbfab 3376 unsigned long ip_event;
6598b169
DP		 3377
3378 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
8a7fbfab 3379 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
6598b169 3380recheck:
57569d0e 3381 if (dev == NULL)
6598b169
DP		 3382 goto done;
3383
3384 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3385 dev = vlan_dev_real_dev(dev);
3386 goto recheck;
3387 }
8a7fbfab 3388 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3389 /* If this is a bonding device, look for netxen-based slaves*/
3390 if (netif_is_bond_master(dev)) {
3391 rcu_read_lock();
3392 for_each_netdev_in_bond_rcu(dev, slave) {
3393 if (!netxen_config_checkdev(slave))
3394 continue;
3395 adapter = netdev_priv(slave);
3396 netxen_list_config_ip(adapter, ifa, ip_event);
3397 }
3398 rcu_read_unlock();
3399 } else {
3400 if (!netxen_config_checkdev(dev))
3401 goto done;
3402 adapter = netdev_priv(dev);
3403 netxen_list_config_ip(adapter, ifa, ip_event);
3404 }
6598b169 3405 }
6598b169
DP		 3406done:
3407 return NOTIFY_DONE;
3408}
3409
3410static struct notifier_block netxen_netdev_cb = {
3411 .notifier_call = netxen_netdev_event,
3412};
3413
3414static struct notifier_block netxen_inetaddr_cb = {
3415 .notifier_call = netxen_inetaddr_event,
3416};
9feae56c
RD		 3417#else
3418static void
57569d0e
RB		 3419netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3420{ }
3421static void
8a7fbfab 3422netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
9feae56c 3423{ }
044824d9 3424#endif
6598b169 3425
3646f0e5 3426static const struct pci_error_handlers netxen_err_handler = {
e87ad553
AKS		 3427 .error_detected = netxen_io_error_detected,
3428 .slot_reset = netxen_io_slot_reset,
3429 .resume = netxen_io_resume,
3430};
3431
3d396eb1
AK		 3432static struct pci_driver netxen_driver = {
3433 .name = netxen_nic_driver_name,
3434 .id_table = netxen_pci_tbl,
3435 .probe = netxen_nic_probe,
c3f9c88c 3436 .remove = netxen_nic_remove,
01542cd1 3437#ifdef CONFIG_PM
0b72e659 3438 .suspend = netxen_nic_suspend,
22b5794b 3439 .resume = netxen_nic_resume,
01542cd1 3440#endif
e87ad553
AKS		 3441 .shutdown = netxen_nic_shutdown,
3442 .err_handler = &netxen_err_handler
3d396eb1
AK		 3443};
3444
3d396eb1
AK		 3445static int __init netxen_init_module(void)
3446{
ff4fbd43
DP		 3447 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3448
044824d9 3449#ifdef CONFIG_INET
6598b169
DP		 3450 register_netdevice_notifier(&netxen_netdev_cb);
3451 register_inetaddr_notifier(&netxen_inetaddr_cb);
044824d9 3452#endif
184231bd 3453 return pci_register_driver(&netxen_driver);
3d396eb1
AK		 3454}
3455
3456module_init(netxen_init_module);
3457
3458static void __exit netxen_exit_module(void)
3459{
3d396eb1 3460 pci_unregister_driver(&netxen_driver);
6598b169 3461
044824d9 3462#ifdef CONFIG_INET
6598b169
DP		 3463 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3464 unregister_netdevice_notifier(&netxen_netdev_cb);
044824d9 3465#endif
3d396eb1
AK		 3466}
3467
3468module_exit(netxen_exit_module);
Linux 6.x block layer and io_uring tree(s)