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af19b491 AKS |
1 | /* |
2 | * Copyright (C) 2009 - QLogic Corporation. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | * MA 02111-1307, USA. | |
19 | * | |
20 | * The full GNU General Public License is included in this distribution | |
21 | * in the file called "COPYING". | |
22 | * | |
23 | */ | |
24 | ||
5a0e3ad6 | 25 | #include <linux/slab.h> |
af19b491 AKS |
26 | #include <linux/vmalloc.h> |
27 | #include <linux/interrupt.h> | |
28 | ||
29 | #include "qlcnic.h" | |
30 | ||
31 | #include <linux/dma-mapping.h> | |
32 | #include <linux/if_vlan.h> | |
33 | #include <net/ip.h> | |
34 | #include <linux/ipv6.h> | |
35 | #include <linux/inetdevice.h> | |
36 | #include <linux/sysfs.h> | |
37 | ||
38 | MODULE_DESCRIPTION("QLogic 10 GbE Converged Ethernet Driver"); | |
39 | MODULE_LICENSE("GPL"); | |
40 | MODULE_VERSION(QLCNIC_LINUX_VERSIONID); | |
41 | MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); | |
42 | ||
43 | char qlcnic_driver_name[] = "qlcnic"; | |
44 | static const char qlcnic_driver_string[] = "QLogic Converged Ethernet Driver v" | |
45 | QLCNIC_LINUX_VERSIONID; | |
46 | ||
47 | static int port_mode = QLCNIC_PORT_MODE_AUTO_NEG; | |
48 | ||
49 | /* Default to restricted 1G auto-neg mode */ | |
50 | static int wol_port_mode = 5; | |
51 | ||
52 | static int use_msi = 1; | |
53 | module_param(use_msi, int, 0644); | |
54 | MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); | |
55 | ||
56 | static int use_msi_x = 1; | |
57 | module_param(use_msi_x, int, 0644); | |
58 | MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); | |
59 | ||
60 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; | |
61 | module_param(auto_fw_reset, int, 0644); | |
62 | MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); | |
63 | ||
64 | static int __devinit qlcnic_probe(struct pci_dev *pdev, | |
65 | const struct pci_device_id *ent); | |
66 | static void __devexit qlcnic_remove(struct pci_dev *pdev); | |
67 | static int qlcnic_open(struct net_device *netdev); | |
68 | static int qlcnic_close(struct net_device *netdev); | |
af19b491 AKS |
69 | static void qlcnic_tx_timeout(struct net_device *netdev); |
70 | static void qlcnic_tx_timeout_task(struct work_struct *work); | |
71 | static void qlcnic_attach_work(struct work_struct *work); | |
72 | static void qlcnic_fwinit_work(struct work_struct *work); | |
73 | static void qlcnic_fw_poll_work(struct work_struct *work); | |
74 | static void qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
75 | work_func_t func, int delay); | |
76 | static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter); | |
77 | static int qlcnic_poll(struct napi_struct *napi, int budget); | |
78 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
79 | static void qlcnic_poll_controller(struct net_device *netdev); | |
80 | #endif | |
81 | ||
82 | static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter); | |
83 | static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); | |
84 | static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter); | |
85 | static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter); | |
86 | ||
87 | static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter); | |
88 | static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); | |
89 | ||
7eb9855d | 90 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data); |
af19b491 AKS |
91 | static irqreturn_t qlcnic_intr(int irq, void *data); |
92 | static irqreturn_t qlcnic_msi_intr(int irq, void *data); | |
93 | static irqreturn_t qlcnic_msix_intr(int irq, void *data); | |
94 | ||
95 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); | |
96 | static void qlcnic_config_indev_addr(struct net_device *dev, unsigned long); | |
97 | ||
98 | /* PCI Device ID Table */ | |
99 | #define ENTRY(device) \ | |
100 | {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ | |
101 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} | |
102 | ||
103 | #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020 | |
104 | ||
6a902881 | 105 | static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { |
af19b491 AKS |
106 | ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), |
107 | {0,} | |
108 | }; | |
109 | ||
110 | MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); | |
111 | ||
112 | ||
113 | void | |
114 | qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter, | |
115 | struct qlcnic_host_tx_ring *tx_ring) | |
116 | { | |
117 | writel(tx_ring->producer, tx_ring->crb_cmd_producer); | |
118 | ||
119 | if (qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH) { | |
120 | netif_stop_queue(adapter->netdev); | |
121 | smp_mb(); | |
8bfe8b91 | 122 | adapter->stats.xmit_off++; |
af19b491 AKS |
123 | } |
124 | } | |
125 | ||
126 | static const u32 msi_tgt_status[8] = { | |
127 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, | |
128 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, | |
129 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
130 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
131 | }; | |
132 | ||
133 | static const | |
134 | struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; | |
135 | ||
136 | static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring) | |
137 | { | |
138 | writel(0, sds_ring->crb_intr_mask); | |
139 | } | |
140 | ||
141 | static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring) | |
142 | { | |
143 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
144 | ||
145 | writel(0x1, sds_ring->crb_intr_mask); | |
146 | ||
147 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
148 | writel(0xfbff, adapter->tgt_mask_reg); | |
149 | } | |
150 | ||
151 | static int | |
152 | qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) | |
153 | { | |
154 | int size = sizeof(struct qlcnic_host_sds_ring) * count; | |
155 | ||
156 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
157 | ||
158 | return (recv_ctx->sds_rings == NULL); | |
159 | } | |
160 | ||
161 | static void | |
162 | qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) | |
163 | { | |
164 | if (recv_ctx->sds_rings != NULL) | |
165 | kfree(recv_ctx->sds_rings); | |
166 | ||
167 | recv_ctx->sds_rings = NULL; | |
168 | } | |
169 | ||
170 | static int | |
171 | qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
172 | { | |
173 | int ring; | |
174 | struct qlcnic_host_sds_ring *sds_ring; | |
175 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
176 | ||
177 | if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) | |
178 | return -ENOMEM; | |
179 | ||
180 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
181 | sds_ring = &recv_ctx->sds_rings[ring]; | |
182 | netif_napi_add(netdev, &sds_ring->napi, | |
183 | qlcnic_poll, QLCNIC_NETDEV_WEIGHT); | |
184 | } | |
185 | ||
186 | return 0; | |
187 | } | |
188 | ||
189 | static void | |
190 | qlcnic_napi_del(struct qlcnic_adapter *adapter) | |
191 | { | |
192 | int ring; | |
193 | struct qlcnic_host_sds_ring *sds_ring; | |
194 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
195 | ||
196 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
197 | sds_ring = &recv_ctx->sds_rings[ring]; | |
198 | netif_napi_del(&sds_ring->napi); | |
199 | } | |
200 | ||
201 | qlcnic_free_sds_rings(&adapter->recv_ctx); | |
202 | } | |
203 | ||
204 | static void | |
205 | qlcnic_napi_enable(struct qlcnic_adapter *adapter) | |
206 | { | |
207 | int ring; | |
208 | struct qlcnic_host_sds_ring *sds_ring; | |
209 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
210 | ||
780ab790 AKS |
211 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
212 | return; | |
213 | ||
af19b491 AKS |
214 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
215 | sds_ring = &recv_ctx->sds_rings[ring]; | |
216 | napi_enable(&sds_ring->napi); | |
217 | qlcnic_enable_int(sds_ring); | |
218 | } | |
219 | } | |
220 | ||
221 | static void | |
222 | qlcnic_napi_disable(struct qlcnic_adapter *adapter) | |
223 | { | |
224 | int ring; | |
225 | struct qlcnic_host_sds_ring *sds_ring; | |
226 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
227 | ||
780ab790 AKS |
228 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |
229 | return; | |
230 | ||
af19b491 AKS |
231 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { |
232 | sds_ring = &recv_ctx->sds_rings[ring]; | |
233 | qlcnic_disable_int(sds_ring); | |
234 | napi_synchronize(&sds_ring->napi); | |
235 | napi_disable(&sds_ring->napi); | |
236 | } | |
237 | } | |
238 | ||
239 | static void qlcnic_clear_stats(struct qlcnic_adapter *adapter) | |
240 | { | |
241 | memset(&adapter->stats, 0, sizeof(adapter->stats)); | |
af19b491 AKS |
242 | } |
243 | ||
af19b491 AKS |
244 | static void qlcnic_set_port_mode(struct qlcnic_adapter *adapter) |
245 | { | |
246 | u32 val, data; | |
247 | ||
248 | val = adapter->ahw.board_type; | |
249 | if ((val == QLCNIC_BRDTYPE_P3_HMEZ) || | |
250 | (val == QLCNIC_BRDTYPE_P3_XG_LOM)) { | |
251 | if (port_mode == QLCNIC_PORT_MODE_802_3_AP) { | |
252 | data = QLCNIC_PORT_MODE_802_3_AP; | |
253 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
254 | } else if (port_mode == QLCNIC_PORT_MODE_XG) { | |
255 | data = QLCNIC_PORT_MODE_XG; | |
256 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
257 | } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_1G) { | |
258 | data = QLCNIC_PORT_MODE_AUTO_NEG_1G; | |
259 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
260 | } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_XG) { | |
261 | data = QLCNIC_PORT_MODE_AUTO_NEG_XG; | |
262 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
263 | } else { | |
264 | data = QLCNIC_PORT_MODE_AUTO_NEG; | |
265 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
266 | } | |
267 | ||
268 | if ((wol_port_mode != QLCNIC_PORT_MODE_802_3_AP) && | |
269 | (wol_port_mode != QLCNIC_PORT_MODE_XG) && | |
270 | (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_1G) && | |
271 | (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_XG)) { | |
272 | wol_port_mode = QLCNIC_PORT_MODE_AUTO_NEG; | |
273 | } | |
274 | QLCWR32(adapter, QLCNIC_WOL_PORT_MODE, wol_port_mode); | |
275 | } | |
276 | } | |
277 | ||
278 | static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable) | |
279 | { | |
280 | u32 control; | |
281 | int pos; | |
282 | ||
283 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
284 | if (pos) { | |
285 | pci_read_config_dword(pdev, pos, &control); | |
286 | if (enable) | |
287 | control |= PCI_MSIX_FLAGS_ENABLE; | |
288 | else | |
289 | control = 0; | |
290 | pci_write_config_dword(pdev, pos, control); | |
291 | } | |
292 | } | |
293 | ||
294 | static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count) | |
295 | { | |
296 | int i; | |
297 | ||
298 | for (i = 0; i < count; i++) | |
299 | adapter->msix_entries[i].entry = i; | |
300 | } | |
301 | ||
302 | static int | |
303 | qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) | |
304 | { | |
305 | int i; | |
306 | unsigned char *p; | |
307 | u64 mac_addr; | |
308 | struct net_device *netdev = adapter->netdev; | |
309 | struct pci_dev *pdev = adapter->pdev; | |
310 | ||
311 | if (qlcnic_get_mac_addr(adapter, &mac_addr) != 0) | |
312 | return -EIO; | |
313 | ||
314 | p = (unsigned char *)&mac_addr; | |
315 | for (i = 0; i < 6; i++) | |
316 | netdev->dev_addr[i] = *(p + 5 - i); | |
317 | ||
318 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
319 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); | |
320 | ||
321 | /* set station address */ | |
322 | ||
323 | if (!is_valid_ether_addr(netdev->perm_addr)) | |
324 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", | |
325 | netdev->dev_addr); | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
330 | static int qlcnic_set_mac(struct net_device *netdev, void *p) | |
331 | { | |
332 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
333 | struct sockaddr *addr = p; | |
334 | ||
335 | if (!is_valid_ether_addr(addr->sa_data)) | |
336 | return -EINVAL; | |
337 | ||
338 | if (netif_running(netdev)) { | |
339 | netif_device_detach(netdev); | |
340 | qlcnic_napi_disable(adapter); | |
341 | } | |
342 | ||
343 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); | |
344 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
345 | qlcnic_set_multi(adapter->netdev); | |
346 | ||
347 | if (netif_running(netdev)) { | |
348 | netif_device_attach(netdev); | |
349 | qlcnic_napi_enable(adapter); | |
350 | } | |
351 | return 0; | |
352 | } | |
353 | ||
354 | static const struct net_device_ops qlcnic_netdev_ops = { | |
355 | .ndo_open = qlcnic_open, | |
356 | .ndo_stop = qlcnic_close, | |
357 | .ndo_start_xmit = qlcnic_xmit_frame, | |
358 | .ndo_get_stats = qlcnic_get_stats, | |
359 | .ndo_validate_addr = eth_validate_addr, | |
360 | .ndo_set_multicast_list = qlcnic_set_multi, | |
361 | .ndo_set_mac_address = qlcnic_set_mac, | |
362 | .ndo_change_mtu = qlcnic_change_mtu, | |
363 | .ndo_tx_timeout = qlcnic_tx_timeout, | |
364 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
365 | .ndo_poll_controller = qlcnic_poll_controller, | |
366 | #endif | |
367 | }; | |
368 | ||
369 | static void | |
370 | qlcnic_setup_intr(struct qlcnic_adapter *adapter) | |
371 | { | |
372 | const struct qlcnic_legacy_intr_set *legacy_intrp; | |
373 | struct pci_dev *pdev = adapter->pdev; | |
374 | int err, num_msix; | |
375 | ||
376 | if (adapter->rss_supported) { | |
377 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
378 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
379 | } else | |
380 | num_msix = 1; | |
381 | ||
382 | adapter->max_sds_rings = 1; | |
383 | ||
384 | adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); | |
385 | ||
386 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
387 | ||
388 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
389 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
390 | legacy_intrp->tgt_status_reg); | |
391 | adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter, | |
392 | legacy_intrp->tgt_mask_reg); | |
393 | adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR); | |
394 | ||
395 | adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter, | |
396 | ISR_INT_STATE_REG); | |
397 | ||
398 | qlcnic_set_msix_bit(pdev, 0); | |
399 | ||
400 | if (adapter->msix_supported) { | |
401 | ||
402 | qlcnic_init_msix_entries(adapter, num_msix); | |
403 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
404 | if (err == 0) { | |
405 | adapter->flags |= QLCNIC_MSIX_ENABLED; | |
406 | qlcnic_set_msix_bit(pdev, 1); | |
407 | ||
408 | if (adapter->rss_supported) | |
409 | adapter->max_sds_rings = num_msix; | |
410 | ||
411 | dev_info(&pdev->dev, "using msi-x interrupts\n"); | |
412 | return; | |
413 | } | |
414 | ||
415 | if (err > 0) | |
416 | pci_disable_msix(pdev); | |
417 | ||
418 | /* fall through for msi */ | |
419 | } | |
420 | ||
421 | if (use_msi && !pci_enable_msi(pdev)) { | |
422 | adapter->flags |= QLCNIC_MSI_ENABLED; | |
423 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
424 | msi_tgt_status[adapter->ahw.pci_func]); | |
425 | dev_info(&pdev->dev, "using msi interrupts\n"); | |
426 | adapter->msix_entries[0].vector = pdev->irq; | |
427 | return; | |
428 | } | |
429 | ||
430 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
431 | adapter->msix_entries[0].vector = pdev->irq; | |
432 | } | |
433 | ||
434 | static void | |
435 | qlcnic_teardown_intr(struct qlcnic_adapter *adapter) | |
436 | { | |
437 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
438 | pci_disable_msix(adapter->pdev); | |
439 | if (adapter->flags & QLCNIC_MSI_ENABLED) | |
440 | pci_disable_msi(adapter->pdev); | |
441 | } | |
442 | ||
443 | static void | |
444 | qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter) | |
445 | { | |
446 | if (adapter->ahw.pci_base0 != NULL) | |
447 | iounmap(adapter->ahw.pci_base0); | |
448 | } | |
449 | ||
450 | static int | |
451 | qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) | |
452 | { | |
453 | void __iomem *mem_ptr0 = NULL; | |
454 | resource_size_t mem_base; | |
455 | unsigned long mem_len, pci_len0 = 0; | |
456 | ||
457 | struct pci_dev *pdev = adapter->pdev; | |
458 | int pci_func = adapter->ahw.pci_func; | |
459 | ||
af19b491 AKS |
460 | /* remap phys address */ |
461 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
462 | mem_len = pci_resource_len(pdev, 0); | |
463 | ||
464 | if (mem_len == QLCNIC_PCI_2MB_SIZE) { | |
465 | ||
466 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
467 | if (mem_ptr0 == NULL) { | |
468 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
469 | return -EIO; | |
470 | } | |
471 | pci_len0 = mem_len; | |
472 | } else { | |
473 | return -EIO; | |
474 | } | |
475 | ||
476 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); | |
477 | ||
478 | adapter->ahw.pci_base0 = mem_ptr0; | |
479 | adapter->ahw.pci_len0 = pci_len0; | |
480 | ||
481 | adapter->ahw.ocm_win_crb = qlcnic_get_ioaddr(adapter, | |
482 | QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func))); | |
483 | ||
484 | return 0; | |
485 | } | |
486 | ||
487 | static void get_brd_name(struct qlcnic_adapter *adapter, char *name) | |
488 | { | |
489 | struct pci_dev *pdev = adapter->pdev; | |
490 | int i, found = 0; | |
491 | ||
492 | for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { | |
493 | if (qlcnic_boards[i].vendor == pdev->vendor && | |
494 | qlcnic_boards[i].device == pdev->device && | |
495 | qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && | |
496 | qlcnic_boards[i].sub_device == pdev->subsystem_device) { | |
497 | strcpy(name, qlcnic_boards[i].short_name); | |
498 | found = 1; | |
499 | break; | |
500 | } | |
501 | ||
502 | } | |
503 | ||
504 | if (!found) | |
505 | name = "Unknown"; | |
506 | } | |
507 | ||
508 | static void | |
509 | qlcnic_check_options(struct qlcnic_adapter *adapter) | |
510 | { | |
511 | u32 fw_major, fw_minor, fw_build; | |
512 | char brd_name[QLCNIC_MAX_BOARD_NAME_LEN]; | |
513 | char serial_num[32]; | |
514 | int i, offset, val; | |
515 | int *ptr32; | |
516 | struct pci_dev *pdev = adapter->pdev; | |
517 | ||
518 | adapter->driver_mismatch = 0; | |
519 | ||
520 | ptr32 = (int *)&serial_num; | |
521 | offset = QLCNIC_FW_SERIAL_NUM_OFFSET; | |
522 | for (i = 0; i < 8; i++) { | |
523 | if (qlcnic_rom_fast_read(adapter, offset, &val) == -1) { | |
524 | dev_err(&pdev->dev, "error reading board info\n"); | |
525 | adapter->driver_mismatch = 1; | |
526 | return; | |
527 | } | |
528 | ptr32[i] = cpu_to_le32(val); | |
529 | offset += sizeof(u32); | |
530 | } | |
531 | ||
532 | fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR); | |
533 | fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR); | |
534 | fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB); | |
535 | ||
536 | adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); | |
537 | ||
538 | if (adapter->portnum == 0) { | |
539 | get_brd_name(adapter, brd_name); | |
540 | ||
541 | pr_info("%s: %s Board Chip rev 0x%x\n", | |
542 | module_name(THIS_MODULE), | |
543 | brd_name, adapter->ahw.revision_id); | |
544 | } | |
545 | ||
251a84c9 AKS |
546 | dev_info(&pdev->dev, "firmware v%d.%d.%d\n", |
547 | fw_major, fw_minor, fw_build); | |
af19b491 | 548 | |
251a84c9 | 549 | adapter->capabilities = QLCRD32(adapter, CRB_FW_CAPABILITIES_1); |
af19b491 AKS |
550 | |
551 | adapter->flags &= ~QLCNIC_LRO_ENABLED; | |
552 | ||
553 | if (adapter->ahw.port_type == QLCNIC_XGBE) { | |
554 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
555 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
556 | } else if (adapter->ahw.port_type == QLCNIC_GBE) { | |
557 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
558 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
559 | } | |
560 | ||
561 | adapter->msix_supported = !!use_msi_x; | |
562 | adapter->rss_supported = !!use_msi_x; | |
563 | ||
564 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
565 | ||
af19b491 AKS |
566 | adapter->max_rds_rings = 2; |
567 | } | |
568 | ||
569 | static int | |
570 | qlcnic_start_firmware(struct qlcnic_adapter *adapter) | |
571 | { | |
572 | int val, err, first_boot; | |
573 | ||
aa5e18c0 SC |
574 | err = qlcnic_can_start_firmware(adapter); |
575 | if (err < 0) | |
576 | return err; | |
577 | else if (!err) | |
af19b491 AKS |
578 | goto wait_init; |
579 | ||
580 | first_boot = QLCRD32(adapter, QLCNIC_CAM_RAM(0x1fc)); | |
581 | if (first_boot == 0x55555555) | |
582 | /* This is the first boot after power up */ | |
583 | QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC); | |
584 | ||
585 | qlcnic_request_firmware(adapter); | |
586 | ||
587 | err = qlcnic_need_fw_reset(adapter); | |
588 | if (err < 0) | |
589 | goto err_out; | |
590 | if (err == 0) | |
591 | goto wait_init; | |
592 | ||
593 | if (first_boot != 0x55555555) { | |
594 | QLCWR32(adapter, CRB_CMDPEG_STATE, 0); | |
595 | qlcnic_pinit_from_rom(adapter); | |
596 | msleep(1); | |
597 | } | |
598 | ||
599 | QLCWR32(adapter, CRB_DMA_SHIFT, 0x55555555); | |
600 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); | |
601 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); | |
602 | ||
603 | qlcnic_set_port_mode(adapter); | |
604 | ||
605 | err = qlcnic_load_firmware(adapter); | |
606 | if (err) | |
607 | goto err_out; | |
608 | ||
609 | qlcnic_release_firmware(adapter); | |
610 | ||
611 | val = (_QLCNIC_LINUX_MAJOR << 16) | |
612 | | ((_QLCNIC_LINUX_MINOR << 8)) | |
613 | | (_QLCNIC_LINUX_SUBVERSION); | |
614 | QLCWR32(adapter, CRB_DRIVER_VERSION, val); | |
615 | ||
616 | wait_init: | |
617 | /* Handshake with the card before we register the devices. */ | |
618 | err = qlcnic_phantom_init(adapter); | |
619 | if (err) | |
620 | goto err_out; | |
621 | ||
622 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); | |
623 | ||
af19b491 AKS |
624 | qlcnic_check_options(adapter); |
625 | ||
626 | adapter->need_fw_reset = 0; | |
627 | ||
628 | /* fall through and release firmware */ | |
629 | ||
630 | err_out: | |
631 | qlcnic_release_firmware(adapter); | |
632 | return err; | |
633 | } | |
634 | ||
635 | static int | |
636 | qlcnic_request_irq(struct qlcnic_adapter *adapter) | |
637 | { | |
638 | irq_handler_t handler; | |
639 | struct qlcnic_host_sds_ring *sds_ring; | |
640 | int err, ring; | |
641 | ||
642 | unsigned long flags = 0; | |
643 | struct net_device *netdev = adapter->netdev; | |
644 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
645 | ||
7eb9855d AKS |
646 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
647 | handler = qlcnic_tmp_intr; | |
648 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
649 | flags |= IRQF_SHARED; | |
650 | ||
651 | } else { | |
652 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
653 | handler = qlcnic_msix_intr; | |
654 | else if (adapter->flags & QLCNIC_MSI_ENABLED) | |
655 | handler = qlcnic_msi_intr; | |
656 | else { | |
657 | flags |= IRQF_SHARED; | |
658 | handler = qlcnic_intr; | |
659 | } | |
af19b491 AKS |
660 | } |
661 | adapter->irq = netdev->irq; | |
662 | ||
663 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
664 | sds_ring = &recv_ctx->sds_rings[ring]; | |
665 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); | |
666 | err = request_irq(sds_ring->irq, handler, | |
667 | flags, sds_ring->name, sds_ring); | |
668 | if (err) | |
669 | return err; | |
670 | } | |
671 | ||
672 | return 0; | |
673 | } | |
674 | ||
675 | static void | |
676 | qlcnic_free_irq(struct qlcnic_adapter *adapter) | |
677 | { | |
678 | int ring; | |
679 | struct qlcnic_host_sds_ring *sds_ring; | |
680 | ||
681 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
682 | ||
683 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
684 | sds_ring = &recv_ctx->sds_rings[ring]; | |
685 | free_irq(sds_ring->irq, sds_ring); | |
686 | } | |
687 | } | |
688 | ||
689 | static void | |
690 | qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter) | |
691 | { | |
692 | adapter->coal.flags = QLCNIC_INTR_DEFAULT; | |
693 | adapter->coal.normal.data.rx_time_us = | |
694 | QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
695 | adapter->coal.normal.data.rx_packets = | |
696 | QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
697 | adapter->coal.normal.data.tx_time_us = | |
698 | QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
699 | adapter->coal.normal.data.tx_packets = | |
700 | QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
701 | } | |
702 | ||
703 | static int | |
704 | __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
705 | { | |
706 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
707 | return -EIO; | |
708 | ||
709 | qlcnic_set_multi(netdev); | |
710 | qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); | |
711 | ||
712 | adapter->ahw.linkup = 0; | |
713 | ||
714 | if (adapter->max_sds_rings > 1) | |
715 | qlcnic_config_rss(adapter, 1); | |
716 | ||
717 | qlcnic_config_intr_coalesce(adapter); | |
718 | ||
719 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
720 | qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); | |
721 | ||
722 | qlcnic_napi_enable(adapter); | |
723 | ||
724 | qlcnic_linkevent_request(adapter, 1); | |
725 | ||
726 | set_bit(__QLCNIC_DEV_UP, &adapter->state); | |
727 | return 0; | |
728 | } | |
729 | ||
730 | /* Usage: During resume and firmware recovery module.*/ | |
731 | ||
732 | static int | |
733 | qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
734 | { | |
735 | int err = 0; | |
736 | ||
737 | rtnl_lock(); | |
738 | if (netif_running(netdev)) | |
739 | err = __qlcnic_up(adapter, netdev); | |
740 | rtnl_unlock(); | |
741 | ||
742 | return err; | |
743 | } | |
744 | ||
745 | static void | |
746 | __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
747 | { | |
748 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
749 | return; | |
750 | ||
751 | if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
752 | return; | |
753 | ||
754 | smp_mb(); | |
755 | spin_lock(&adapter->tx_clean_lock); | |
756 | netif_carrier_off(netdev); | |
757 | netif_tx_disable(netdev); | |
758 | ||
759 | qlcnic_free_mac_list(adapter); | |
760 | ||
761 | qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); | |
762 | ||
763 | qlcnic_napi_disable(adapter); | |
764 | ||
765 | qlcnic_release_tx_buffers(adapter); | |
766 | spin_unlock(&adapter->tx_clean_lock); | |
767 | } | |
768 | ||
769 | /* Usage: During suspend and firmware recovery module */ | |
770 | ||
771 | static void | |
772 | qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
773 | { | |
774 | rtnl_lock(); | |
775 | if (netif_running(netdev)) | |
776 | __qlcnic_down(adapter, netdev); | |
777 | rtnl_unlock(); | |
778 | ||
779 | } | |
780 | ||
781 | static int | |
782 | qlcnic_attach(struct qlcnic_adapter *adapter) | |
783 | { | |
784 | struct net_device *netdev = adapter->netdev; | |
785 | struct pci_dev *pdev = adapter->pdev; | |
786 | int err, ring; | |
787 | struct qlcnic_host_rds_ring *rds_ring; | |
788 | ||
789 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) | |
790 | return 0; | |
791 | ||
792 | err = qlcnic_init_firmware(adapter); | |
793 | if (err) | |
794 | return err; | |
795 | ||
796 | err = qlcnic_napi_add(adapter, netdev); | |
797 | if (err) | |
798 | return err; | |
799 | ||
800 | err = qlcnic_alloc_sw_resources(adapter); | |
801 | if (err) { | |
802 | dev_err(&pdev->dev, "Error in setting sw resources\n"); | |
803 | return err; | |
804 | } | |
805 | ||
806 | err = qlcnic_alloc_hw_resources(adapter); | |
807 | if (err) { | |
808 | dev_err(&pdev->dev, "Error in setting hw resources\n"); | |
809 | goto err_out_free_sw; | |
810 | } | |
811 | ||
812 | ||
813 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
814 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
815 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
816 | } | |
817 | ||
818 | err = qlcnic_request_irq(adapter); | |
819 | if (err) { | |
820 | dev_err(&pdev->dev, "failed to setup interrupt\n"); | |
821 | goto err_out_free_rxbuf; | |
822 | } | |
823 | ||
824 | qlcnic_init_coalesce_defaults(adapter); | |
825 | ||
826 | qlcnic_create_sysfs_entries(adapter); | |
827 | ||
828 | adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; | |
829 | return 0; | |
830 | ||
831 | err_out_free_rxbuf: | |
832 | qlcnic_release_rx_buffers(adapter); | |
833 | qlcnic_free_hw_resources(adapter); | |
834 | err_out_free_sw: | |
835 | qlcnic_free_sw_resources(adapter); | |
836 | return err; | |
837 | } | |
838 | ||
839 | static void | |
840 | qlcnic_detach(struct qlcnic_adapter *adapter) | |
841 | { | |
842 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
843 | return; | |
844 | ||
845 | qlcnic_remove_sysfs_entries(adapter); | |
846 | ||
847 | qlcnic_free_hw_resources(adapter); | |
848 | qlcnic_release_rx_buffers(adapter); | |
849 | qlcnic_free_irq(adapter); | |
850 | qlcnic_napi_del(adapter); | |
851 | qlcnic_free_sw_resources(adapter); | |
852 | ||
853 | adapter->is_up = 0; | |
854 | } | |
855 | ||
7eb9855d AKS |
856 | void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) |
857 | { | |
858 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
859 | struct qlcnic_host_sds_ring *sds_ring; | |
860 | int ring; | |
861 | ||
cdaff185 AKS |
862 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
863 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
864 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
865 | qlcnic_disable_int(sds_ring); | |
866 | } | |
7eb9855d AKS |
867 | } |
868 | ||
869 | qlcnic_detach(adapter); | |
870 | ||
871 | adapter->diag_test = 0; | |
872 | adapter->max_sds_rings = max_sds_rings; | |
873 | ||
874 | if (qlcnic_attach(adapter)) | |
34ce3626 | 875 | goto out; |
7eb9855d AKS |
876 | |
877 | if (netif_running(netdev)) | |
878 | __qlcnic_up(adapter, netdev); | |
34ce3626 | 879 | out: |
7eb9855d AKS |
880 | netif_device_attach(netdev); |
881 | } | |
882 | ||
883 | int qlcnic_diag_alloc_res(struct net_device *netdev, int test) | |
884 | { | |
885 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
886 | struct qlcnic_host_sds_ring *sds_ring; | |
887 | int ring; | |
888 | int ret; | |
889 | ||
890 | netif_device_detach(netdev); | |
891 | ||
892 | if (netif_running(netdev)) | |
893 | __qlcnic_down(adapter, netdev); | |
894 | ||
895 | qlcnic_detach(adapter); | |
896 | ||
897 | adapter->max_sds_rings = 1; | |
898 | adapter->diag_test = test; | |
899 | ||
900 | ret = qlcnic_attach(adapter); | |
34ce3626 AKS |
901 | if (ret) { |
902 | netif_device_attach(netdev); | |
7eb9855d | 903 | return ret; |
34ce3626 | 904 | } |
7eb9855d | 905 | |
cdaff185 AKS |
906 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { |
907 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
908 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
909 | qlcnic_enable_int(sds_ring); | |
910 | } | |
7eb9855d AKS |
911 | } |
912 | ||
913 | return 0; | |
914 | } | |
915 | ||
af19b491 AKS |
916 | int |
917 | qlcnic_reset_context(struct qlcnic_adapter *adapter) | |
918 | { | |
919 | int err = 0; | |
920 | struct net_device *netdev = adapter->netdev; | |
921 | ||
922 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
923 | return -EBUSY; | |
924 | ||
925 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { | |
926 | ||
927 | netif_device_detach(netdev); | |
928 | ||
929 | if (netif_running(netdev)) | |
930 | __qlcnic_down(adapter, netdev); | |
931 | ||
932 | qlcnic_detach(adapter); | |
933 | ||
934 | if (netif_running(netdev)) { | |
935 | err = qlcnic_attach(adapter); | |
936 | if (!err) | |
34ce3626 | 937 | __qlcnic_up(adapter, netdev); |
af19b491 AKS |
938 | } |
939 | ||
940 | netif_device_attach(netdev); | |
941 | } | |
942 | ||
af19b491 AKS |
943 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
944 | return err; | |
945 | } | |
946 | ||
947 | static int | |
948 | qlcnic_setup_netdev(struct qlcnic_adapter *adapter, | |
1bb09fb9 | 949 | struct net_device *netdev, u8 pci_using_dac) |
af19b491 AKS |
950 | { |
951 | int err; | |
952 | struct pci_dev *pdev = adapter->pdev; | |
953 | ||
954 | adapter->rx_csum = 1; | |
955 | adapter->mc_enabled = 0; | |
956 | adapter->max_mc_count = 38; | |
957 | ||
958 | netdev->netdev_ops = &qlcnic_netdev_ops; | |
959 | netdev->watchdog_timeo = 2*HZ; | |
960 | ||
961 | qlcnic_change_mtu(netdev, netdev->mtu); | |
962 | ||
963 | SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); | |
964 | ||
965 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
966 | netdev->features |= (NETIF_F_GRO); | |
967 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); | |
968 | ||
969 | netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
970 | netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); | |
971 | ||
1bb09fb9 | 972 | if (pci_using_dac) { |
af19b491 AKS |
973 | netdev->features |= NETIF_F_HIGHDMA; |
974 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
975 | } | |
976 | ||
977 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX) | |
978 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
979 | ||
980 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
981 | netdev->features |= NETIF_F_LRO; | |
982 | ||
983 | netdev->irq = adapter->msix_entries[0].vector; | |
984 | ||
985 | INIT_WORK(&adapter->tx_timeout_task, qlcnic_tx_timeout_task); | |
986 | ||
987 | if (qlcnic_read_mac_addr(adapter)) | |
988 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
989 | ||
990 | netif_carrier_off(netdev); | |
991 | netif_stop_queue(netdev); | |
992 | ||
993 | err = register_netdev(netdev); | |
994 | if (err) { | |
995 | dev_err(&pdev->dev, "failed to register net device\n"); | |
996 | return err; | |
997 | } | |
998 | ||
999 | return 0; | |
1000 | } | |
1001 | ||
1bb09fb9 AKS |
1002 | static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac) |
1003 | { | |
1004 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && | |
1005 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
1006 | *pci_using_dac = 1; | |
1007 | else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && | |
1008 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
1009 | *pci_using_dac = 0; | |
1010 | else { | |
1011 | dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); | |
1012 | return -EIO; | |
1013 | } | |
1014 | ||
1015 | return 0; | |
1016 | } | |
1017 | ||
af19b491 AKS |
1018 | static int __devinit |
1019 | qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1020 | { | |
1021 | struct net_device *netdev = NULL; | |
1022 | struct qlcnic_adapter *adapter = NULL; | |
1023 | int err; | |
1024 | int pci_func_id = PCI_FUNC(pdev->devfn); | |
1025 | uint8_t revision_id; | |
1bb09fb9 | 1026 | uint8_t pci_using_dac; |
af19b491 AKS |
1027 | |
1028 | err = pci_enable_device(pdev); | |
1029 | if (err) | |
1030 | return err; | |
1031 | ||
1032 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1033 | err = -ENODEV; | |
1034 | goto err_out_disable_pdev; | |
1035 | } | |
1036 | ||
1bb09fb9 AKS |
1037 | err = qlcnic_set_dma_mask(pdev, &pci_using_dac); |
1038 | if (err) | |
1039 | goto err_out_disable_pdev; | |
1040 | ||
af19b491 AKS |
1041 | err = pci_request_regions(pdev, qlcnic_driver_name); |
1042 | if (err) | |
1043 | goto err_out_disable_pdev; | |
1044 | ||
1045 | pci_set_master(pdev); | |
1046 | ||
1047 | netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); | |
1048 | if (!netdev) { | |
1049 | dev_err(&pdev->dev, "failed to allocate net_device\n"); | |
1050 | err = -ENOMEM; | |
1051 | goto err_out_free_res; | |
1052 | } | |
1053 | ||
1054 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
1055 | ||
1056 | adapter = netdev_priv(netdev); | |
1057 | adapter->netdev = netdev; | |
1058 | adapter->pdev = pdev; | |
1059 | adapter->ahw.pci_func = pci_func_id; | |
1060 | ||
1061 | revision_id = pdev->revision; | |
1062 | adapter->ahw.revision_id = revision_id; | |
1063 | ||
1064 | rwlock_init(&adapter->ahw.crb_lock); | |
1065 | mutex_init(&adapter->ahw.mem_lock); | |
1066 | ||
1067 | spin_lock_init(&adapter->tx_clean_lock); | |
1068 | INIT_LIST_HEAD(&adapter->mac_list); | |
1069 | ||
1070 | err = qlcnic_setup_pci_map(adapter); | |
1071 | if (err) | |
1072 | goto err_out_free_netdev; | |
1073 | ||
1074 | /* This will be reset for mezz cards */ | |
1075 | adapter->portnum = pci_func_id; | |
1076 | ||
1077 | err = qlcnic_get_board_info(adapter); | |
1078 | if (err) { | |
1079 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
1080 | goto err_out_iounmap; | |
1081 | } | |
1082 | ||
aa5e18c0 | 1083 | qlcnic_setup_idc_param(adapter); |
af19b491 AKS |
1084 | |
1085 | err = qlcnic_start_firmware(adapter); | |
1086 | if (err) | |
1087 | goto err_out_decr_ref; | |
1088 | ||
1089 | /* | |
1090 | * See if the firmware gave us a virtual-physical port mapping. | |
1091 | */ | |
1092 | adapter->physical_port = adapter->portnum; | |
1093 | ||
1094 | qlcnic_clear_stats(adapter); | |
1095 | ||
1096 | qlcnic_setup_intr(adapter); | |
1097 | ||
1bb09fb9 | 1098 | err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); |
af19b491 AKS |
1099 | if (err) |
1100 | goto err_out_disable_msi; | |
1101 | ||
1102 | pci_set_drvdata(pdev, adapter); | |
1103 | ||
1104 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1105 | ||
1106 | switch (adapter->ahw.port_type) { | |
1107 | case QLCNIC_GBE: | |
1108 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1109 | adapter->netdev->name); | |
1110 | break; | |
1111 | case QLCNIC_XGBE: | |
1112 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1113 | adapter->netdev->name); | |
1114 | break; | |
1115 | } | |
1116 | ||
1117 | qlcnic_create_diag_entries(adapter); | |
1118 | ||
1119 | return 0; | |
1120 | ||
1121 | err_out_disable_msi: | |
1122 | qlcnic_teardown_intr(adapter); | |
1123 | ||
1124 | err_out_decr_ref: | |
1125 | qlcnic_clr_all_drv_state(adapter); | |
1126 | ||
1127 | err_out_iounmap: | |
1128 | qlcnic_cleanup_pci_map(adapter); | |
1129 | ||
1130 | err_out_free_netdev: | |
1131 | free_netdev(netdev); | |
1132 | ||
1133 | err_out_free_res: | |
1134 | pci_release_regions(pdev); | |
1135 | ||
1136 | err_out_disable_pdev: | |
1137 | pci_set_drvdata(pdev, NULL); | |
1138 | pci_disable_device(pdev); | |
1139 | return err; | |
1140 | } | |
1141 | ||
1142 | static void __devexit qlcnic_remove(struct pci_dev *pdev) | |
1143 | { | |
1144 | struct qlcnic_adapter *adapter; | |
1145 | struct net_device *netdev; | |
1146 | ||
1147 | adapter = pci_get_drvdata(pdev); | |
1148 | if (adapter == NULL) | |
1149 | return; | |
1150 | ||
1151 | netdev = adapter->netdev; | |
1152 | ||
1153 | qlcnic_cancel_fw_work(adapter); | |
1154 | ||
1155 | unregister_netdev(netdev); | |
1156 | ||
1157 | cancel_work_sync(&adapter->tx_timeout_task); | |
1158 | ||
1159 | qlcnic_detach(adapter); | |
1160 | ||
1161 | qlcnic_clr_all_drv_state(adapter); | |
1162 | ||
1163 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1164 | ||
1165 | qlcnic_teardown_intr(adapter); | |
1166 | ||
1167 | qlcnic_remove_diag_entries(adapter); | |
1168 | ||
1169 | qlcnic_cleanup_pci_map(adapter); | |
1170 | ||
1171 | qlcnic_release_firmware(adapter); | |
1172 | ||
1173 | pci_release_regions(pdev); | |
1174 | pci_disable_device(pdev); | |
1175 | pci_set_drvdata(pdev, NULL); | |
1176 | ||
1177 | free_netdev(netdev); | |
1178 | } | |
1179 | static int __qlcnic_shutdown(struct pci_dev *pdev) | |
1180 | { | |
1181 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1182 | struct net_device *netdev = adapter->netdev; | |
1183 | int retval; | |
1184 | ||
1185 | netif_device_detach(netdev); | |
1186 | ||
1187 | qlcnic_cancel_fw_work(adapter); | |
1188 | ||
1189 | if (netif_running(netdev)) | |
1190 | qlcnic_down(adapter, netdev); | |
1191 | ||
1192 | cancel_work_sync(&adapter->tx_timeout_task); | |
1193 | ||
1194 | qlcnic_detach(adapter); | |
1195 | ||
1196 | qlcnic_clr_all_drv_state(adapter); | |
1197 | ||
1198 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1199 | ||
1200 | retval = pci_save_state(pdev); | |
1201 | if (retval) | |
1202 | return retval; | |
1203 | ||
1204 | if (qlcnic_wol_supported(adapter)) { | |
1205 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1206 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1207 | } | |
1208 | ||
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | static void qlcnic_shutdown(struct pci_dev *pdev) | |
1213 | { | |
1214 | if (__qlcnic_shutdown(pdev)) | |
1215 | return; | |
1216 | ||
1217 | pci_disable_device(pdev); | |
1218 | } | |
1219 | ||
1220 | #ifdef CONFIG_PM | |
1221 | static int | |
1222 | qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1223 | { | |
1224 | int retval; | |
1225 | ||
1226 | retval = __qlcnic_shutdown(pdev); | |
1227 | if (retval) | |
1228 | return retval; | |
1229 | ||
1230 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1231 | return 0; | |
1232 | } | |
1233 | ||
1234 | static int | |
1235 | qlcnic_resume(struct pci_dev *pdev) | |
1236 | { | |
1237 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1238 | struct net_device *netdev = adapter->netdev; | |
1239 | int err; | |
1240 | ||
1241 | err = pci_enable_device(pdev); | |
1242 | if (err) | |
1243 | return err; | |
1244 | ||
1245 | pci_set_power_state(pdev, PCI_D0); | |
1246 | pci_set_master(pdev); | |
1247 | pci_restore_state(pdev); | |
1248 | ||
af19b491 AKS |
1249 | err = qlcnic_start_firmware(adapter); |
1250 | if (err) { | |
1251 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1252 | return err; | |
1253 | } | |
1254 | ||
1255 | if (netif_running(netdev)) { | |
1256 | err = qlcnic_attach(adapter); | |
1257 | if (err) | |
1258 | goto err_out; | |
1259 | ||
1260 | err = qlcnic_up(adapter, netdev); | |
1261 | if (err) | |
1262 | goto err_out_detach; | |
1263 | ||
1264 | ||
1265 | qlcnic_config_indev_addr(netdev, NETDEV_UP); | |
1266 | } | |
1267 | ||
1268 | netif_device_attach(netdev); | |
1269 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1270 | return 0; | |
1271 | ||
1272 | err_out_detach: | |
1273 | qlcnic_detach(adapter); | |
1274 | err_out: | |
1275 | qlcnic_clr_all_drv_state(adapter); | |
34ce3626 | 1276 | netif_device_attach(netdev); |
af19b491 AKS |
1277 | return err; |
1278 | } | |
1279 | #endif | |
1280 | ||
1281 | static int qlcnic_open(struct net_device *netdev) | |
1282 | { | |
1283 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1284 | int err; | |
1285 | ||
1286 | if (adapter->driver_mismatch) | |
1287 | return -EIO; | |
1288 | ||
1289 | err = qlcnic_attach(adapter); | |
1290 | if (err) | |
1291 | return err; | |
1292 | ||
1293 | err = __qlcnic_up(adapter, netdev); | |
1294 | if (err) | |
1295 | goto err_out; | |
1296 | ||
1297 | netif_start_queue(netdev); | |
1298 | ||
1299 | return 0; | |
1300 | ||
1301 | err_out: | |
1302 | qlcnic_detach(adapter); | |
1303 | return err; | |
1304 | } | |
1305 | ||
1306 | /* | |
1307 | * qlcnic_close - Disables a network interface entry point | |
1308 | */ | |
1309 | static int qlcnic_close(struct net_device *netdev) | |
1310 | { | |
1311 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1312 | ||
1313 | __qlcnic_down(adapter, netdev); | |
1314 | return 0; | |
1315 | } | |
1316 | ||
1317 | static void | |
1318 | qlcnic_tso_check(struct net_device *netdev, | |
1319 | struct qlcnic_host_tx_ring *tx_ring, | |
1320 | struct cmd_desc_type0 *first_desc, | |
1321 | struct sk_buff *skb) | |
1322 | { | |
1323 | u8 opcode = TX_ETHER_PKT; | |
1324 | __be16 protocol = skb->protocol; | |
1325 | u16 flags = 0, vid = 0; | |
1326 | u32 producer; | |
1327 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; | |
1328 | struct cmd_desc_type0 *hwdesc; | |
1329 | struct vlan_ethhdr *vh; | |
8bfe8b91 | 1330 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
af19b491 AKS |
1331 | |
1332 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { | |
1333 | ||
1334 | vh = (struct vlan_ethhdr *)skb->data; | |
1335 | protocol = vh->h_vlan_encapsulated_proto; | |
1336 | flags = FLAGS_VLAN_TAGGED; | |
1337 | ||
1338 | } else if (vlan_tx_tag_present(skb)) { | |
1339 | ||
1340 | flags = FLAGS_VLAN_OOB; | |
1341 | vid = vlan_tx_tag_get(skb); | |
1342 | qlcnic_set_tx_vlan_tci(first_desc, vid); | |
1343 | vlan_oob = 1; | |
1344 | } | |
1345 | ||
1346 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && | |
1347 | skb_shinfo(skb)->gso_size > 0) { | |
1348 | ||
1349 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); | |
1350 | ||
1351 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1352 | first_desc->total_hdr_length = hdr_len; | |
1353 | if (vlan_oob) { | |
1354 | first_desc->total_hdr_length += VLAN_HLEN; | |
1355 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1356 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1357 | /* Only in case of TSO on vlan device */ | |
1358 | flags |= FLAGS_VLAN_TAGGED; | |
1359 | } | |
1360 | ||
1361 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? | |
1362 | TX_TCP_LSO6 : TX_TCP_LSO; | |
1363 | tso = 1; | |
1364 | ||
1365 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
1366 | u8 l4proto; | |
1367 | ||
1368 | if (protocol == cpu_to_be16(ETH_P_IP)) { | |
1369 | l4proto = ip_hdr(skb)->protocol; | |
1370 | ||
1371 | if (l4proto == IPPROTO_TCP) | |
1372 | opcode = TX_TCP_PKT; | |
1373 | else if (l4proto == IPPROTO_UDP) | |
1374 | opcode = TX_UDP_PKT; | |
1375 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { | |
1376 | l4proto = ipv6_hdr(skb)->nexthdr; | |
1377 | ||
1378 | if (l4proto == IPPROTO_TCP) | |
1379 | opcode = TX_TCPV6_PKT; | |
1380 | else if (l4proto == IPPROTO_UDP) | |
1381 | opcode = TX_UDPV6_PKT; | |
1382 | } | |
1383 | } | |
1384 | ||
1385 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1386 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1387 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
1388 | ||
1389 | if (!tso) | |
1390 | return; | |
1391 | ||
1392 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1393 | * the descriptor ring | |
1394 | */ | |
1395 | producer = tx_ring->producer; | |
1396 | copied = 0; | |
1397 | offset = 2; | |
1398 | ||
1399 | if (vlan_oob) { | |
1400 | /* Create a TSO vlan header template for firmware */ | |
1401 | ||
1402 | hwdesc = &tx_ring->desc_head[producer]; | |
1403 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1404 | ||
1405 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1406 | hdr_len + VLAN_HLEN); | |
1407 | ||
1408 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1409 | skb_copy_from_linear_data(skb, vh, 12); | |
1410 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1411 | vh->h_vlan_TCI = htons(vid); | |
1412 | skb_copy_from_linear_data_offset(skb, 12, | |
1413 | (char *)vh + 16, copy_len - 16); | |
1414 | ||
1415 | copied = copy_len - VLAN_HLEN; | |
1416 | offset = 0; | |
1417 | ||
1418 | producer = get_next_index(producer, tx_ring->num_desc); | |
1419 | } | |
1420 | ||
1421 | while (copied < hdr_len) { | |
1422 | ||
1423 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1424 | (hdr_len - copied)); | |
1425 | ||
1426 | hwdesc = &tx_ring->desc_head[producer]; | |
1427 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1428 | ||
1429 | skb_copy_from_linear_data_offset(skb, copied, | |
1430 | (char *)hwdesc + offset, copy_len); | |
1431 | ||
1432 | copied += copy_len; | |
1433 | offset = 0; | |
1434 | ||
1435 | producer = get_next_index(producer, tx_ring->num_desc); | |
1436 | } | |
1437 | ||
1438 | tx_ring->producer = producer; | |
1439 | barrier(); | |
8bfe8b91 | 1440 | adapter->stats.lso_frames++; |
af19b491 AKS |
1441 | } |
1442 | ||
1443 | static int | |
1444 | qlcnic_map_tx_skb(struct pci_dev *pdev, | |
1445 | struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) | |
1446 | { | |
1447 | struct qlcnic_skb_frag *nf; | |
1448 | struct skb_frag_struct *frag; | |
1449 | int i, nr_frags; | |
1450 | dma_addr_t map; | |
1451 | ||
1452 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1453 | nf = &pbuf->frag_array[0]; | |
1454 | ||
1455 | map = pci_map_single(pdev, skb->data, | |
1456 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1457 | if (pci_dma_mapping_error(pdev, map)) | |
1458 | goto out_err; | |
1459 | ||
1460 | nf->dma = map; | |
1461 | nf->length = skb_headlen(skb); | |
1462 | ||
1463 | for (i = 0; i < nr_frags; i++) { | |
1464 | frag = &skb_shinfo(skb)->frags[i]; | |
1465 | nf = &pbuf->frag_array[i+1]; | |
1466 | ||
1467 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1468 | frag->size, PCI_DMA_TODEVICE); | |
1469 | if (pci_dma_mapping_error(pdev, map)) | |
1470 | goto unwind; | |
1471 | ||
1472 | nf->dma = map; | |
1473 | nf->length = frag->size; | |
1474 | } | |
1475 | ||
1476 | return 0; | |
1477 | ||
1478 | unwind: | |
1479 | while (--i >= 0) { | |
1480 | nf = &pbuf->frag_array[i+1]; | |
1481 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); | |
1482 | } | |
1483 | ||
1484 | nf = &pbuf->frag_array[0]; | |
1485 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1486 | ||
1487 | out_err: | |
1488 | return -ENOMEM; | |
1489 | } | |
1490 | ||
1491 | static inline void | |
1492 | qlcnic_clear_cmddesc(u64 *desc) | |
1493 | { | |
1494 | desc[0] = 0ULL; | |
1495 | desc[2] = 0ULL; | |
1496 | } | |
1497 | ||
cdaff185 | 1498 | netdev_tx_t |
af19b491 AKS |
1499 | qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) |
1500 | { | |
1501 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1502 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
1503 | struct qlcnic_cmd_buffer *pbuf; | |
1504 | struct qlcnic_skb_frag *buffrag; | |
1505 | struct cmd_desc_type0 *hwdesc, *first_desc; | |
1506 | struct pci_dev *pdev; | |
1507 | int i, k; | |
1508 | ||
1509 | u32 producer; | |
1510 | int frag_count, no_of_desc; | |
1511 | u32 num_txd = tx_ring->num_desc; | |
1512 | ||
780ab790 AKS |
1513 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { |
1514 | netif_stop_queue(netdev); | |
1515 | return NETDEV_TX_BUSY; | |
1516 | } | |
1517 | ||
af19b491 AKS |
1518 | frag_count = skb_shinfo(skb)->nr_frags + 1; |
1519 | ||
1520 | /* 4 fragments per cmd des */ | |
1521 | no_of_desc = (frag_count + 3) >> 2; | |
1522 | ||
1523 | if (unlikely(no_of_desc + 2 > qlcnic_tx_avail(tx_ring))) { | |
1524 | netif_stop_queue(netdev); | |
8bfe8b91 | 1525 | adapter->stats.xmit_off++; |
af19b491 AKS |
1526 | return NETDEV_TX_BUSY; |
1527 | } | |
1528 | ||
1529 | producer = tx_ring->producer; | |
1530 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
1531 | ||
1532 | pdev = adapter->pdev; | |
1533 | ||
8ae6df97 AKS |
1534 | if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { |
1535 | adapter->stats.tx_dma_map_error++; | |
af19b491 | 1536 | goto drop_packet; |
8ae6df97 | 1537 | } |
af19b491 AKS |
1538 | |
1539 | pbuf->skb = skb; | |
1540 | pbuf->frag_count = frag_count; | |
1541 | ||
1542 | first_desc = hwdesc = &tx_ring->desc_head[producer]; | |
1543 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
1544 | ||
1545 | qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len); | |
1546 | qlcnic_set_tx_port(first_desc, adapter->portnum); | |
1547 | ||
1548 | for (i = 0; i < frag_count; i++) { | |
1549 | ||
1550 | k = i % 4; | |
1551 | ||
1552 | if ((k == 0) && (i > 0)) { | |
1553 | /* move to next desc.*/ | |
1554 | producer = get_next_index(producer, num_txd); | |
1555 | hwdesc = &tx_ring->desc_head[producer]; | |
1556 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
1557 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1558 | } | |
1559 | ||
1560 | buffrag = &pbuf->frag_array[i]; | |
1561 | ||
1562 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); | |
1563 | switch (k) { | |
1564 | case 0: | |
1565 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); | |
1566 | break; | |
1567 | case 1: | |
1568 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); | |
1569 | break; | |
1570 | case 2: | |
1571 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); | |
1572 | break; | |
1573 | case 3: | |
1574 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); | |
1575 | break; | |
1576 | } | |
1577 | } | |
1578 | ||
1579 | tx_ring->producer = get_next_index(producer, num_txd); | |
1580 | ||
1581 | qlcnic_tso_check(netdev, tx_ring, first_desc, skb); | |
1582 | ||
1583 | qlcnic_update_cmd_producer(adapter, tx_ring); | |
1584 | ||
1585 | adapter->stats.txbytes += skb->len; | |
1586 | adapter->stats.xmitcalled++; | |
1587 | ||
1588 | return NETDEV_TX_OK; | |
1589 | ||
1590 | drop_packet: | |
1591 | adapter->stats.txdropped++; | |
1592 | dev_kfree_skb_any(skb); | |
1593 | return NETDEV_TX_OK; | |
1594 | } | |
1595 | ||
1596 | static int qlcnic_check_temp(struct qlcnic_adapter *adapter) | |
1597 | { | |
1598 | struct net_device *netdev = adapter->netdev; | |
1599 | u32 temp, temp_state, temp_val; | |
1600 | int rv = 0; | |
1601 | ||
1602 | temp = QLCRD32(adapter, CRB_TEMP_STATE); | |
1603 | ||
1604 | temp_state = qlcnic_get_temp_state(temp); | |
1605 | temp_val = qlcnic_get_temp_val(temp); | |
1606 | ||
1607 | if (temp_state == QLCNIC_TEMP_PANIC) { | |
1608 | dev_err(&netdev->dev, | |
1609 | "Device temperature %d degrees C exceeds" | |
1610 | " maximum allowed. Hardware has been shut down.\n", | |
1611 | temp_val); | |
1612 | rv = 1; | |
1613 | } else if (temp_state == QLCNIC_TEMP_WARN) { | |
1614 | if (adapter->temp == QLCNIC_TEMP_NORMAL) { | |
1615 | dev_err(&netdev->dev, | |
1616 | "Device temperature %d degrees C " | |
1617 | "exceeds operating range." | |
1618 | " Immediate action needed.\n", | |
1619 | temp_val); | |
1620 | } | |
1621 | } else { | |
1622 | if (adapter->temp == QLCNIC_TEMP_WARN) { | |
1623 | dev_info(&netdev->dev, | |
1624 | "Device temperature is now %d degrees C" | |
1625 | " in normal range.\n", temp_val); | |
1626 | } | |
1627 | } | |
1628 | adapter->temp = temp_state; | |
1629 | return rv; | |
1630 | } | |
1631 | ||
1632 | void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) | |
1633 | { | |
1634 | struct net_device *netdev = adapter->netdev; | |
1635 | ||
1636 | if (adapter->ahw.linkup && !linkup) { | |
1637 | dev_info(&netdev->dev, "NIC Link is down\n"); | |
1638 | adapter->ahw.linkup = 0; | |
1639 | if (netif_running(netdev)) { | |
1640 | netif_carrier_off(netdev); | |
1641 | netif_stop_queue(netdev); | |
1642 | } | |
1643 | } else if (!adapter->ahw.linkup && linkup) { | |
1644 | dev_info(&netdev->dev, "NIC Link is up\n"); | |
1645 | adapter->ahw.linkup = 1; | |
1646 | if (netif_running(netdev)) { | |
1647 | netif_carrier_on(netdev); | |
1648 | netif_wake_queue(netdev); | |
1649 | } | |
1650 | } | |
1651 | } | |
1652 | ||
1653 | static void qlcnic_tx_timeout(struct net_device *netdev) | |
1654 | { | |
1655 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1656 | ||
1657 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1658 | return; | |
1659 | ||
1660 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); | |
1661 | schedule_work(&adapter->tx_timeout_task); | |
1662 | } | |
1663 | ||
1664 | static void qlcnic_tx_timeout_task(struct work_struct *work) | |
1665 | { | |
1666 | struct qlcnic_adapter *adapter = | |
1667 | container_of(work, struct qlcnic_adapter, tx_timeout_task); | |
1668 | ||
1669 | if (!netif_running(adapter->netdev)) | |
1670 | return; | |
1671 | ||
1672 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1673 | return; | |
1674 | ||
1675 | if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) | |
1676 | goto request_reset; | |
1677 | ||
1678 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1679 | if (!qlcnic_reset_context(adapter)) { | |
1680 | adapter->netdev->trans_start = jiffies; | |
1681 | return; | |
1682 | ||
1683 | /* context reset failed, fall through for fw reset */ | |
1684 | } | |
1685 | ||
1686 | request_reset: | |
1687 | adapter->need_fw_reset = 1; | |
1688 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
65b5b420 | 1689 | QLCDB(adapter, DRV, "Resetting adapter\n"); |
af19b491 AKS |
1690 | } |
1691 | ||
1692 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) | |
1693 | { | |
1694 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1695 | struct net_device_stats *stats = &netdev->stats; | |
1696 | ||
1697 | memset(stats, 0, sizeof(*stats)); | |
1698 | ||
1699 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; | |
1700 | stats->tx_packets = adapter->stats.xmitfinished; | |
1701 | stats->rx_bytes = adapter->stats.rxbytes; | |
1702 | stats->tx_bytes = adapter->stats.txbytes; | |
1703 | stats->rx_dropped = adapter->stats.rxdropped; | |
1704 | stats->tx_dropped = adapter->stats.txdropped; | |
1705 | ||
1706 | return stats; | |
1707 | } | |
1708 | ||
7eb9855d | 1709 | static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter) |
af19b491 | 1710 | { |
af19b491 AKS |
1711 | u32 status; |
1712 | ||
1713 | status = readl(adapter->isr_int_vec); | |
1714 | ||
1715 | if (!(status & adapter->int_vec_bit)) | |
1716 | return IRQ_NONE; | |
1717 | ||
1718 | /* check interrupt state machine, to be sure */ | |
1719 | status = readl(adapter->crb_int_state_reg); | |
1720 | if (!ISR_LEGACY_INT_TRIGGERED(status)) | |
1721 | return IRQ_NONE; | |
1722 | ||
1723 | writel(0xffffffff, adapter->tgt_status_reg); | |
1724 | /* read twice to ensure write is flushed */ | |
1725 | readl(adapter->isr_int_vec); | |
1726 | readl(adapter->isr_int_vec); | |
1727 | ||
7eb9855d AKS |
1728 | return IRQ_HANDLED; |
1729 | } | |
1730 | ||
1731 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data) | |
1732 | { | |
1733 | struct qlcnic_host_sds_ring *sds_ring = data; | |
1734 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1735 | ||
1736 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
1737 | goto done; | |
1738 | else if (adapter->flags & QLCNIC_MSI_ENABLED) { | |
1739 | writel(0xffffffff, adapter->tgt_status_reg); | |
1740 | goto done; | |
1741 | } | |
1742 | ||
1743 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
1744 | return IRQ_NONE; | |
1745 | ||
1746 | done: | |
1747 | adapter->diag_cnt++; | |
1748 | qlcnic_enable_int(sds_ring); | |
1749 | return IRQ_HANDLED; | |
1750 | } | |
1751 | ||
1752 | static irqreturn_t qlcnic_intr(int irq, void *data) | |
1753 | { | |
1754 | struct qlcnic_host_sds_ring *sds_ring = data; | |
1755 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1756 | ||
1757 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
1758 | return IRQ_NONE; | |
1759 | ||
af19b491 AKS |
1760 | napi_schedule(&sds_ring->napi); |
1761 | ||
1762 | return IRQ_HANDLED; | |
1763 | } | |
1764 | ||
1765 | static irqreturn_t qlcnic_msi_intr(int irq, void *data) | |
1766 | { | |
1767 | struct qlcnic_host_sds_ring *sds_ring = data; | |
1768 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1769 | ||
1770 | /* clear interrupt */ | |
1771 | writel(0xffffffff, adapter->tgt_status_reg); | |
1772 | ||
1773 | napi_schedule(&sds_ring->napi); | |
1774 | return IRQ_HANDLED; | |
1775 | } | |
1776 | ||
1777 | static irqreturn_t qlcnic_msix_intr(int irq, void *data) | |
1778 | { | |
1779 | struct qlcnic_host_sds_ring *sds_ring = data; | |
1780 | ||
1781 | napi_schedule(&sds_ring->napi); | |
1782 | return IRQ_HANDLED; | |
1783 | } | |
1784 | ||
1785 | static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter) | |
1786 | { | |
1787 | u32 sw_consumer, hw_consumer; | |
1788 | int count = 0, i; | |
1789 | struct qlcnic_cmd_buffer *buffer; | |
1790 | struct pci_dev *pdev = adapter->pdev; | |
1791 | struct net_device *netdev = adapter->netdev; | |
1792 | struct qlcnic_skb_frag *frag; | |
1793 | int done; | |
1794 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
1795 | ||
1796 | if (!spin_trylock(&adapter->tx_clean_lock)) | |
1797 | return 1; | |
1798 | ||
1799 | sw_consumer = tx_ring->sw_consumer; | |
1800 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
1801 | ||
1802 | while (sw_consumer != hw_consumer) { | |
1803 | buffer = &tx_ring->cmd_buf_arr[sw_consumer]; | |
1804 | if (buffer->skb) { | |
1805 | frag = &buffer->frag_array[0]; | |
1806 | pci_unmap_single(pdev, frag->dma, frag->length, | |
1807 | PCI_DMA_TODEVICE); | |
1808 | frag->dma = 0ULL; | |
1809 | for (i = 1; i < buffer->frag_count; i++) { | |
1810 | frag++; | |
1811 | pci_unmap_page(pdev, frag->dma, frag->length, | |
1812 | PCI_DMA_TODEVICE); | |
1813 | frag->dma = 0ULL; | |
1814 | } | |
1815 | ||
1816 | adapter->stats.xmitfinished++; | |
1817 | dev_kfree_skb_any(buffer->skb); | |
1818 | buffer->skb = NULL; | |
1819 | } | |
1820 | ||
1821 | sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc); | |
1822 | if (++count >= MAX_STATUS_HANDLE) | |
1823 | break; | |
1824 | } | |
1825 | ||
1826 | if (count && netif_running(netdev)) { | |
1827 | tx_ring->sw_consumer = sw_consumer; | |
1828 | ||
1829 | smp_mb(); | |
1830 | ||
1831 | if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { | |
1832 | __netif_tx_lock(tx_ring->txq, smp_processor_id()); | |
1833 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { | |
1834 | netif_wake_queue(netdev); | |
1835 | adapter->tx_timeo_cnt = 0; | |
8bfe8b91 | 1836 | adapter->stats.xmit_on++; |
af19b491 AKS |
1837 | } |
1838 | __netif_tx_unlock(tx_ring->txq); | |
1839 | } | |
1840 | } | |
1841 | /* | |
1842 | * If everything is freed up to consumer then check if the ring is full | |
1843 | * If the ring is full then check if more needs to be freed and | |
1844 | * schedule the call back again. | |
1845 | * | |
1846 | * This happens when there are 2 CPUs. One could be freeing and the | |
1847 | * other filling it. If the ring is full when we get out of here and | |
1848 | * the card has already interrupted the host then the host can miss the | |
1849 | * interrupt. | |
1850 | * | |
1851 | * There is still a possible race condition and the host could miss an | |
1852 | * interrupt. The card has to take care of this. | |
1853 | */ | |
1854 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
1855 | done = (sw_consumer == hw_consumer); | |
1856 | spin_unlock(&adapter->tx_clean_lock); | |
1857 | ||
1858 | return done; | |
1859 | } | |
1860 | ||
1861 | static int qlcnic_poll(struct napi_struct *napi, int budget) | |
1862 | { | |
1863 | struct qlcnic_host_sds_ring *sds_ring = | |
1864 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
1865 | ||
1866 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
1867 | ||
1868 | int tx_complete; | |
1869 | int work_done; | |
1870 | ||
1871 | tx_complete = qlcnic_process_cmd_ring(adapter); | |
1872 | ||
1873 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
1874 | ||
1875 | if ((work_done < budget) && tx_complete) { | |
1876 | napi_complete(&sds_ring->napi); | |
1877 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
1878 | qlcnic_enable_int(sds_ring); | |
1879 | } | |
1880 | ||
1881 | return work_done; | |
1882 | } | |
1883 | ||
1884 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1885 | static void qlcnic_poll_controller(struct net_device *netdev) | |
1886 | { | |
1887 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1888 | disable_irq(adapter->irq); | |
1889 | qlcnic_intr(adapter->irq, adapter); | |
1890 | enable_irq(adapter->irq); | |
1891 | } | |
1892 | #endif | |
1893 | ||
ade91f8e AKS |
1894 | static int |
1895 | qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) | |
af19b491 AKS |
1896 | { |
1897 | u32 val; | |
1898 | ||
1899 | WARN_ON(state != QLCNIC_DEV_NEED_RESET && | |
1900 | state != QLCNIC_DEV_NEED_QUISCENT); | |
1901 | ||
1902 | if (qlcnic_api_lock(adapter)) | |
ade91f8e | 1903 | return -EIO; |
af19b491 AKS |
1904 | |
1905 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
1906 | ||
1907 | if (state == QLCNIC_DEV_NEED_RESET) | |
6d2a4724 | 1908 | QLC_DEV_SET_RST_RDY(val, adapter->portnum); |
af19b491 | 1909 | else if (state == QLCNIC_DEV_NEED_QUISCENT) |
6d2a4724 | 1910 | QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); |
af19b491 AKS |
1911 | |
1912 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
1913 | ||
1914 | qlcnic_api_unlock(adapter); | |
ade91f8e AKS |
1915 | |
1916 | return 0; | |
af19b491 AKS |
1917 | } |
1918 | ||
1b95a839 AKS |
1919 | static int |
1920 | qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) | |
1921 | { | |
1922 | u32 val; | |
1923 | ||
1924 | if (qlcnic_api_lock(adapter)) | |
1925 | return -EBUSY; | |
1926 | ||
1927 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 1928 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
1b95a839 AKS |
1929 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
1930 | ||
1931 | qlcnic_api_unlock(adapter); | |
1932 | ||
1933 | return 0; | |
1934 | } | |
1935 | ||
af19b491 AKS |
1936 | static void |
1937 | qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter) | |
1938 | { | |
1939 | u32 val; | |
1940 | ||
1941 | if (qlcnic_api_lock(adapter)) | |
1942 | goto err; | |
1943 | ||
1944 | val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
6d2a4724 | 1945 | QLC_DEV_CLR_REF_CNT(val, adapter->portnum); |
af19b491 AKS |
1946 | QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); |
1947 | ||
1948 | if (!(val & 0x11111111)) | |
1949 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); | |
1950 | ||
1951 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 1952 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); |
af19b491 AKS |
1953 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
1954 | ||
1955 | qlcnic_api_unlock(adapter); | |
1956 | err: | |
1957 | adapter->fw_fail_cnt = 0; | |
1958 | clear_bit(__QLCNIC_START_FW, &adapter->state); | |
1959 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1960 | } | |
1961 | ||
f73dfc50 | 1962 | /* Grab api lock, before checking state */ |
af19b491 AKS |
1963 | static int |
1964 | qlcnic_check_drv_state(struct qlcnic_adapter *adapter) | |
1965 | { | |
1966 | int act, state; | |
1967 | ||
1968 | state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
1969 | act = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
1970 | ||
1971 | if (((state & 0x11111111) == (act & 0x11111111)) || | |
1972 | ((act & 0x11111111) == ((state >> 1) & 0x11111111))) | |
1973 | return 0; | |
1974 | else | |
1975 | return 1; | |
1976 | } | |
1977 | ||
1978 | static int | |
1979 | qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) | |
1980 | { | |
1981 | u32 val, prev_state; | |
aa5e18c0 | 1982 | u8 dev_init_timeo = adapter->dev_init_timeo; |
6d2a4724 | 1983 | u8 portnum = adapter->portnum; |
af19b491 | 1984 | |
f73dfc50 AKS |
1985 | if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) |
1986 | return 1; | |
1987 | ||
af19b491 AKS |
1988 | if (qlcnic_api_lock(adapter)) |
1989 | return -1; | |
1990 | ||
1991 | val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
6d2a4724 AKS |
1992 | if (!(val & (1 << (portnum * 4)))) { |
1993 | QLC_DEV_SET_REF_CNT(val, portnum); | |
af19b491 | 1994 | QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); |
af19b491 AKS |
1995 | } |
1996 | ||
1997 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
65b5b420 | 1998 | QLCDB(adapter, HW, "Device state = %u\n", prev_state); |
af19b491 AKS |
1999 | |
2000 | switch (prev_state) { | |
2001 | case QLCNIC_DEV_COLD: | |
bbd8c6a4 | 2002 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); |
af19b491 AKS |
2003 | qlcnic_api_unlock(adapter); |
2004 | return 1; | |
2005 | ||
2006 | case QLCNIC_DEV_READY: | |
2007 | qlcnic_api_unlock(adapter); | |
2008 | return 0; | |
2009 | ||
2010 | case QLCNIC_DEV_NEED_RESET: | |
2011 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2012 | QLC_DEV_SET_RST_RDY(val, portnum); |
af19b491 AKS |
2013 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2014 | break; | |
2015 | ||
2016 | case QLCNIC_DEV_NEED_QUISCENT: | |
2017 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2018 | QLC_DEV_SET_QSCNT_RDY(val, portnum); |
af19b491 AKS |
2019 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2020 | break; | |
2021 | ||
2022 | case QLCNIC_DEV_FAILED: | |
2023 | qlcnic_api_unlock(adapter); | |
2024 | return -1; | |
bbd8c6a4 AKS |
2025 | |
2026 | case QLCNIC_DEV_INITIALIZING: | |
2027 | case QLCNIC_DEV_QUISCENT: | |
2028 | break; | |
af19b491 AKS |
2029 | } |
2030 | ||
2031 | qlcnic_api_unlock(adapter); | |
aa5e18c0 SC |
2032 | |
2033 | do { | |
af19b491 | 2034 | msleep(1000); |
aa5e18c0 SC |
2035 | } while ((QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) != QLCNIC_DEV_READY) |
2036 | && --dev_init_timeo); | |
af19b491 | 2037 | |
65b5b420 AKS |
2038 | if (!dev_init_timeo) { |
2039 | dev_err(&adapter->pdev->dev, | |
2040 | "Waiting for device to initialize timeout\n"); | |
af19b491 | 2041 | return -1; |
65b5b420 | 2042 | } |
af19b491 AKS |
2043 | |
2044 | if (qlcnic_api_lock(adapter)) | |
2045 | return -1; | |
2046 | ||
2047 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
6d2a4724 | 2048 | QLC_DEV_CLR_RST_QSCNT(val, portnum); |
af19b491 AKS |
2049 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); |
2050 | ||
2051 | qlcnic_api_unlock(adapter); | |
2052 | ||
2053 | return 0; | |
2054 | } | |
2055 | ||
2056 | static void | |
2057 | qlcnic_fwinit_work(struct work_struct *work) | |
2058 | { | |
2059 | struct qlcnic_adapter *adapter = container_of(work, | |
2060 | struct qlcnic_adapter, fw_work.work); | |
f73dfc50 | 2061 | u32 dev_state = 0xf; |
af19b491 | 2062 | |
f73dfc50 AKS |
2063 | if (qlcnic_api_lock(adapter)) |
2064 | goto err_ret; | |
af19b491 | 2065 | |
f73dfc50 AKS |
2066 | if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { |
2067 | dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", | |
2068 | adapter->reset_ack_timeo); | |
2069 | goto skip_ack_check; | |
2070 | } | |
2071 | ||
2072 | if (!qlcnic_check_drv_state(adapter)) { | |
2073 | skip_ack_check: | |
2074 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2075 | if (dev_state == QLCNIC_DEV_NEED_RESET) { | |
2076 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2077 | QLCNIC_DEV_INITIALIZING); | |
2078 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
2079 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
af19b491 AKS |
2080 | } |
2081 | ||
f73dfc50 AKS |
2082 | qlcnic_api_unlock(adapter); |
2083 | ||
af19b491 AKS |
2084 | if (!qlcnic_start_firmware(adapter)) { |
2085 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); | |
2086 | return; | |
2087 | } | |
af19b491 AKS |
2088 | goto err_ret; |
2089 | } | |
2090 | ||
f73dfc50 | 2091 | qlcnic_api_unlock(adapter); |
aa5e18c0 | 2092 | |
af19b491 | 2093 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); |
f73dfc50 | 2094 | QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); |
65b5b420 | 2095 | |
af19b491 | 2096 | switch (dev_state) { |
f73dfc50 AKS |
2097 | case QLCNIC_DEV_NEED_RESET: |
2098 | qlcnic_schedule_work(adapter, | |
2099 | qlcnic_fwinit_work, FW_POLL_DELAY); | |
2100 | return; | |
af19b491 AKS |
2101 | case QLCNIC_DEV_FAILED: |
2102 | break; | |
2103 | ||
2104 | default: | |
f73dfc50 AKS |
2105 | if (!qlcnic_start_firmware(adapter)) { |
2106 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); | |
2107 | return; | |
2108 | } | |
af19b491 AKS |
2109 | } |
2110 | ||
2111 | err_ret: | |
f73dfc50 AKS |
2112 | dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " |
2113 | "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); | |
34ce3626 | 2114 | netif_device_attach(adapter->netdev); |
af19b491 AKS |
2115 | qlcnic_clr_all_drv_state(adapter); |
2116 | } | |
2117 | ||
2118 | static void | |
2119 | qlcnic_detach_work(struct work_struct *work) | |
2120 | { | |
2121 | struct qlcnic_adapter *adapter = container_of(work, | |
2122 | struct qlcnic_adapter, fw_work.work); | |
2123 | struct net_device *netdev = adapter->netdev; | |
2124 | u32 status; | |
2125 | ||
2126 | netif_device_detach(netdev); | |
2127 | ||
2128 | qlcnic_down(adapter, netdev); | |
2129 | ||
ce668443 | 2130 | rtnl_lock(); |
af19b491 | 2131 | qlcnic_detach(adapter); |
ce668443 | 2132 | rtnl_unlock(); |
af19b491 AKS |
2133 | |
2134 | status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1); | |
2135 | ||
2136 | if (status & QLCNIC_RCODE_FATAL_ERROR) | |
2137 | goto err_ret; | |
2138 | ||
2139 | if (adapter->temp == QLCNIC_TEMP_PANIC) | |
2140 | goto err_ret; | |
2141 | ||
ade91f8e AKS |
2142 | if (qlcnic_set_drv_state(adapter, adapter->dev_state)) |
2143 | goto err_ret; | |
af19b491 AKS |
2144 | |
2145 | adapter->fw_wait_cnt = 0; | |
2146 | ||
2147 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); | |
2148 | ||
2149 | return; | |
2150 | ||
2151 | err_ret: | |
65b5b420 AKS |
2152 | dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n", |
2153 | status, adapter->temp); | |
34ce3626 | 2154 | netif_device_attach(netdev); |
af19b491 AKS |
2155 | qlcnic_clr_all_drv_state(adapter); |
2156 | ||
2157 | } | |
2158 | ||
f73dfc50 | 2159 | /*Transit to RESET state from READY state only */ |
af19b491 AKS |
2160 | static void |
2161 | qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) | |
2162 | { | |
2163 | u32 state; | |
2164 | ||
2165 | if (qlcnic_api_lock(adapter)) | |
2166 | return; | |
2167 | ||
2168 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2169 | ||
f73dfc50 | 2170 | if (state == QLCNIC_DEV_READY) { |
af19b491 | 2171 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); |
65b5b420 | 2172 | QLCDB(adapter, DRV, "NEED_RESET state set\n"); |
af19b491 AKS |
2173 | } |
2174 | ||
2175 | qlcnic_api_unlock(adapter); | |
2176 | } | |
2177 | ||
2178 | static void | |
2179 | qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
2180 | work_func_t func, int delay) | |
2181 | { | |
2182 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2183 | schedule_delayed_work(&adapter->fw_work, round_jiffies_relative(delay)); | |
2184 | } | |
2185 | ||
2186 | static void | |
2187 | qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter) | |
2188 | { | |
2189 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2190 | msleep(10); | |
2191 | ||
2192 | cancel_delayed_work_sync(&adapter->fw_work); | |
2193 | } | |
2194 | ||
2195 | static void | |
2196 | qlcnic_attach_work(struct work_struct *work) | |
2197 | { | |
2198 | struct qlcnic_adapter *adapter = container_of(work, | |
2199 | struct qlcnic_adapter, fw_work.work); | |
2200 | struct net_device *netdev = adapter->netdev; | |
2201 | int err; | |
2202 | ||
2203 | if (netif_running(netdev)) { | |
2204 | err = qlcnic_attach(adapter); | |
2205 | if (err) | |
2206 | goto done; | |
2207 | ||
2208 | err = qlcnic_up(adapter, netdev); | |
2209 | if (err) { | |
2210 | qlcnic_detach(adapter); | |
2211 | goto done; | |
2212 | } | |
2213 | ||
2214 | qlcnic_config_indev_addr(netdev, NETDEV_UP); | |
2215 | } | |
2216 | ||
af19b491 | 2217 | done: |
34ce3626 | 2218 | netif_device_attach(netdev); |
af19b491 AKS |
2219 | adapter->fw_fail_cnt = 0; |
2220 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1b95a839 AKS |
2221 | |
2222 | if (!qlcnic_clr_drv_state(adapter)) | |
2223 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
2224 | FW_POLL_DELAY); | |
af19b491 AKS |
2225 | } |
2226 | ||
2227 | static int | |
2228 | qlcnic_check_health(struct qlcnic_adapter *adapter) | |
2229 | { | |
2230 | u32 state = 0, heartbit; | |
2231 | struct net_device *netdev = adapter->netdev; | |
2232 | ||
2233 | if (qlcnic_check_temp(adapter)) | |
2234 | goto detach; | |
2235 | ||
2372a5f1 | 2236 | if (adapter->need_fw_reset) |
af19b491 | 2237 | qlcnic_dev_request_reset(adapter); |
af19b491 AKS |
2238 | |
2239 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2240 | if (state == QLCNIC_DEV_NEED_RESET || state == QLCNIC_DEV_NEED_QUISCENT) | |
2241 | adapter->need_fw_reset = 1; | |
2242 | ||
2243 | heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); | |
2244 | if (heartbit != adapter->heartbit) { | |
2245 | adapter->heartbit = heartbit; | |
2246 | adapter->fw_fail_cnt = 0; | |
2247 | if (adapter->need_fw_reset) | |
2248 | goto detach; | |
2249 | return 0; | |
2250 | } | |
2251 | ||
2252 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2253 | return 0; | |
2254 | ||
2255 | qlcnic_dev_request_reset(adapter); | |
2256 | ||
2257 | clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); | |
2258 | ||
2259 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2260 | ||
2261 | detach: | |
2262 | adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : | |
2263 | QLCNIC_DEV_NEED_RESET; | |
2264 | ||
2265 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && | |
65b5b420 AKS |
2266 | !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) { |
2267 | ||
af19b491 | 2268 | qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); |
65b5b420 AKS |
2269 | QLCDB(adapter, DRV, "fw recovery scheduled.\n"); |
2270 | } | |
af19b491 AKS |
2271 | |
2272 | return 1; | |
2273 | } | |
2274 | ||
2275 | static void | |
2276 | qlcnic_fw_poll_work(struct work_struct *work) | |
2277 | { | |
2278 | struct qlcnic_adapter *adapter = container_of(work, | |
2279 | struct qlcnic_adapter, fw_work.work); | |
2280 | ||
2281 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2282 | goto reschedule; | |
2283 | ||
2284 | ||
2285 | if (qlcnic_check_health(adapter)) | |
2286 | return; | |
2287 | ||
2288 | reschedule: | |
2289 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
2290 | } | |
2291 | ||
2292 | static ssize_t | |
2293 | qlcnic_store_bridged_mode(struct device *dev, | |
2294 | struct device_attribute *attr, const char *buf, size_t len) | |
2295 | { | |
2296 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2297 | unsigned long new; | |
2298 | int ret = -EINVAL; | |
2299 | ||
2300 | if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)) | |
2301 | goto err_out; | |
2302 | ||
2303 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
2304 | goto err_out; | |
2305 | ||
2306 | if (strict_strtoul(buf, 2, &new)) | |
2307 | goto err_out; | |
2308 | ||
2309 | if (!qlcnic_config_bridged_mode(adapter, !!new)) | |
2310 | ret = len; | |
2311 | ||
2312 | err_out: | |
2313 | return ret; | |
2314 | } | |
2315 | ||
2316 | static ssize_t | |
2317 | qlcnic_show_bridged_mode(struct device *dev, | |
2318 | struct device_attribute *attr, char *buf) | |
2319 | { | |
2320 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2321 | int bridged_mode = 0; | |
2322 | ||
2323 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
2324 | bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED); | |
2325 | ||
2326 | return sprintf(buf, "%d\n", bridged_mode); | |
2327 | } | |
2328 | ||
2329 | static struct device_attribute dev_attr_bridged_mode = { | |
2330 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2331 | .show = qlcnic_show_bridged_mode, | |
2332 | .store = qlcnic_store_bridged_mode, | |
2333 | }; | |
2334 | ||
2335 | static ssize_t | |
2336 | qlcnic_store_diag_mode(struct device *dev, | |
2337 | struct device_attribute *attr, const char *buf, size_t len) | |
2338 | { | |
2339 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2340 | unsigned long new; | |
2341 | ||
2342 | if (strict_strtoul(buf, 2, &new)) | |
2343 | return -EINVAL; | |
2344 | ||
2345 | if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
2346 | adapter->flags ^= QLCNIC_DIAG_ENABLED; | |
2347 | ||
2348 | return len; | |
2349 | } | |
2350 | ||
2351 | static ssize_t | |
2352 | qlcnic_show_diag_mode(struct device *dev, | |
2353 | struct device_attribute *attr, char *buf) | |
2354 | { | |
2355 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2356 | ||
2357 | return sprintf(buf, "%d\n", | |
2358 | !!(adapter->flags & QLCNIC_DIAG_ENABLED)); | |
2359 | } | |
2360 | ||
2361 | static struct device_attribute dev_attr_diag_mode = { | |
2362 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2363 | .show = qlcnic_show_diag_mode, | |
2364 | .store = qlcnic_store_diag_mode, | |
2365 | }; | |
2366 | ||
2367 | static int | |
2368 | qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, | |
2369 | loff_t offset, size_t size) | |
2370 | { | |
897e8c7c DP |
2371 | size_t crb_size = 4; |
2372 | ||
af19b491 AKS |
2373 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) |
2374 | return -EIO; | |
2375 | ||
897e8c7c DP |
2376 | if (offset < QLCNIC_PCI_CRBSPACE) { |
2377 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, | |
2378 | QLCNIC_PCI_CAMQM_END)) | |
2379 | crb_size = 8; | |
2380 | else | |
2381 | return -EINVAL; | |
2382 | } | |
af19b491 | 2383 | |
897e8c7c DP |
2384 | if ((size != crb_size) || (offset & (crb_size-1))) |
2385 | return -EINVAL; | |
af19b491 AKS |
2386 | |
2387 | return 0; | |
2388 | } | |
2389 | ||
2390 | static ssize_t | |
2391 | qlcnic_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2392 | char *buf, loff_t offset, size_t size) | |
2393 | { | |
2394 | struct device *dev = container_of(kobj, struct device, kobj); | |
2395 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2396 | u32 data; | |
897e8c7c | 2397 | u64 qmdata; |
af19b491 AKS |
2398 | int ret; |
2399 | ||
2400 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
2401 | if (ret != 0) | |
2402 | return ret; | |
2403 | ||
897e8c7c DP |
2404 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
2405 | qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); | |
2406 | memcpy(buf, &qmdata, size); | |
2407 | } else { | |
2408 | data = QLCRD32(adapter, offset); | |
2409 | memcpy(buf, &data, size); | |
2410 | } | |
af19b491 AKS |
2411 | return size; |
2412 | } | |
2413 | ||
2414 | static ssize_t | |
2415 | qlcnic_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr, | |
2416 | char *buf, loff_t offset, size_t size) | |
2417 | { | |
2418 | struct device *dev = container_of(kobj, struct device, kobj); | |
2419 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2420 | u32 data; | |
897e8c7c | 2421 | u64 qmdata; |
af19b491 AKS |
2422 | int ret; |
2423 | ||
2424 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
2425 | if (ret != 0) | |
2426 | return ret; | |
2427 | ||
897e8c7c DP |
2428 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { |
2429 | memcpy(&qmdata, buf, size); | |
2430 | qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); | |
2431 | } else { | |
2432 | memcpy(&data, buf, size); | |
2433 | QLCWR32(adapter, offset, data); | |
2434 | } | |
af19b491 AKS |
2435 | return size; |
2436 | } | |
2437 | ||
2438 | static int | |
2439 | qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, | |
2440 | loff_t offset, size_t size) | |
2441 | { | |
2442 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
2443 | return -EIO; | |
2444 | ||
2445 | if ((size != 8) || (offset & 0x7)) | |
2446 | return -EIO; | |
2447 | ||
2448 | return 0; | |
2449 | } | |
2450 | ||
2451 | static ssize_t | |
2452 | qlcnic_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr, | |
2453 | char *buf, loff_t offset, size_t size) | |
2454 | { | |
2455 | struct device *dev = container_of(kobj, struct device, kobj); | |
2456 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2457 | u64 data; | |
2458 | int ret; | |
2459 | ||
2460 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
2461 | if (ret != 0) | |
2462 | return ret; | |
2463 | ||
2464 | if (qlcnic_pci_mem_read_2M(adapter, offset, &data)) | |
2465 | return -EIO; | |
2466 | ||
2467 | memcpy(buf, &data, size); | |
2468 | ||
2469 | return size; | |
2470 | } | |
2471 | ||
2472 | static ssize_t | |
2473 | qlcnic_sysfs_write_mem(struct kobject *kobj, struct bin_attribute *attr, | |
2474 | char *buf, loff_t offset, size_t size) | |
2475 | { | |
2476 | struct device *dev = container_of(kobj, struct device, kobj); | |
2477 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2478 | u64 data; | |
2479 | int ret; | |
2480 | ||
2481 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
2482 | if (ret != 0) | |
2483 | return ret; | |
2484 | ||
2485 | memcpy(&data, buf, size); | |
2486 | ||
2487 | if (qlcnic_pci_mem_write_2M(adapter, offset, data)) | |
2488 | return -EIO; | |
2489 | ||
2490 | return size; | |
2491 | } | |
2492 | ||
2493 | ||
2494 | static struct bin_attribute bin_attr_crb = { | |
2495 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
2496 | .size = 0, | |
2497 | .read = qlcnic_sysfs_read_crb, | |
2498 | .write = qlcnic_sysfs_write_crb, | |
2499 | }; | |
2500 | ||
2501 | static struct bin_attribute bin_attr_mem = { | |
2502 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
2503 | .size = 0, | |
2504 | .read = qlcnic_sysfs_read_mem, | |
2505 | .write = qlcnic_sysfs_write_mem, | |
2506 | }; | |
2507 | ||
2508 | static void | |
2509 | qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter) | |
2510 | { | |
2511 | struct device *dev = &adapter->pdev->dev; | |
2512 | ||
2513 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
2514 | if (device_create_file(dev, &dev_attr_bridged_mode)) | |
2515 | dev_warn(dev, | |
2516 | "failed to create bridged_mode sysfs entry\n"); | |
2517 | } | |
2518 | ||
2519 | static void | |
2520 | qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) | |
2521 | { | |
2522 | struct device *dev = &adapter->pdev->dev; | |
2523 | ||
2524 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
2525 | device_remove_file(dev, &dev_attr_bridged_mode); | |
2526 | } | |
2527 | ||
2528 | static void | |
2529 | qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) | |
2530 | { | |
2531 | struct device *dev = &adapter->pdev->dev; | |
2532 | ||
2533 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
2534 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
2535 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
2536 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
2537 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
2538 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
2539 | } | |
2540 | ||
2541 | ||
2542 | static void | |
2543 | qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) | |
2544 | { | |
2545 | struct device *dev = &adapter->pdev->dev; | |
2546 | ||
2547 | device_remove_file(dev, &dev_attr_diag_mode); | |
2548 | device_remove_bin_file(dev, &bin_attr_crb); | |
2549 | device_remove_bin_file(dev, &bin_attr_mem); | |
2550 | } | |
2551 | ||
2552 | #ifdef CONFIG_INET | |
2553 | ||
2554 | #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) | |
2555 | ||
af19b491 AKS |
2556 | static void |
2557 | qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) | |
2558 | { | |
2559 | struct in_device *indev; | |
2560 | struct qlcnic_adapter *adapter = netdev_priv(dev); | |
2561 | ||
af19b491 AKS |
2562 | indev = in_dev_get(dev); |
2563 | if (!indev) | |
2564 | return; | |
2565 | ||
2566 | for_ifa(indev) { | |
2567 | switch (event) { | |
2568 | case NETDEV_UP: | |
2569 | qlcnic_config_ipaddr(adapter, | |
2570 | ifa->ifa_address, QLCNIC_IP_UP); | |
2571 | break; | |
2572 | case NETDEV_DOWN: | |
2573 | qlcnic_config_ipaddr(adapter, | |
2574 | ifa->ifa_address, QLCNIC_IP_DOWN); | |
2575 | break; | |
2576 | default: | |
2577 | break; | |
2578 | } | |
2579 | } endfor_ifa(indev); | |
2580 | ||
2581 | in_dev_put(indev); | |
af19b491 AKS |
2582 | } |
2583 | ||
2584 | static int qlcnic_netdev_event(struct notifier_block *this, | |
2585 | unsigned long event, void *ptr) | |
2586 | { | |
2587 | struct qlcnic_adapter *adapter; | |
2588 | struct net_device *dev = (struct net_device *)ptr; | |
2589 | ||
2590 | recheck: | |
2591 | if (dev == NULL) | |
2592 | goto done; | |
2593 | ||
2594 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2595 | dev = vlan_dev_real_dev(dev); | |
2596 | goto recheck; | |
2597 | } | |
2598 | ||
2599 | if (!is_qlcnic_netdev(dev)) | |
2600 | goto done; | |
2601 | ||
2602 | adapter = netdev_priv(dev); | |
2603 | ||
2604 | if (!adapter) | |
2605 | goto done; | |
2606 | ||
2607 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
2608 | goto done; | |
2609 | ||
2610 | qlcnic_config_indev_addr(dev, event); | |
2611 | done: | |
2612 | return NOTIFY_DONE; | |
2613 | } | |
2614 | ||
2615 | static int | |
2616 | qlcnic_inetaddr_event(struct notifier_block *this, | |
2617 | unsigned long event, void *ptr) | |
2618 | { | |
2619 | struct qlcnic_adapter *adapter; | |
2620 | struct net_device *dev; | |
2621 | ||
2622 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
2623 | ||
2624 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
2625 | ||
2626 | recheck: | |
2627 | if (dev == NULL || !netif_running(dev)) | |
2628 | goto done; | |
2629 | ||
2630 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
2631 | dev = vlan_dev_real_dev(dev); | |
2632 | goto recheck; | |
2633 | } | |
2634 | ||
2635 | if (!is_qlcnic_netdev(dev)) | |
2636 | goto done; | |
2637 | ||
2638 | adapter = netdev_priv(dev); | |
2639 | ||
251a84c9 | 2640 | if (!adapter) |
af19b491 AKS |
2641 | goto done; |
2642 | ||
2643 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
2644 | goto done; | |
2645 | ||
2646 | switch (event) { | |
2647 | case NETDEV_UP: | |
2648 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); | |
2649 | break; | |
2650 | case NETDEV_DOWN: | |
2651 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); | |
2652 | break; | |
2653 | default: | |
2654 | break; | |
2655 | } | |
2656 | ||
2657 | done: | |
2658 | return NOTIFY_DONE; | |
2659 | } | |
2660 | ||
2661 | static struct notifier_block qlcnic_netdev_cb = { | |
2662 | .notifier_call = qlcnic_netdev_event, | |
2663 | }; | |
2664 | ||
2665 | static struct notifier_block qlcnic_inetaddr_cb = { | |
2666 | .notifier_call = qlcnic_inetaddr_event, | |
2667 | }; | |
2668 | #else | |
2669 | static void | |
2670 | qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) | |
2671 | { } | |
2672 | #endif | |
2673 | ||
2674 | static struct pci_driver qlcnic_driver = { | |
2675 | .name = qlcnic_driver_name, | |
2676 | .id_table = qlcnic_pci_tbl, | |
2677 | .probe = qlcnic_probe, | |
2678 | .remove = __devexit_p(qlcnic_remove), | |
2679 | #ifdef CONFIG_PM | |
2680 | .suspend = qlcnic_suspend, | |
2681 | .resume = qlcnic_resume, | |
2682 | #endif | |
2683 | .shutdown = qlcnic_shutdown | |
2684 | }; | |
2685 | ||
2686 | static int __init qlcnic_init_module(void) | |
2687 | { | |
2688 | ||
2689 | printk(KERN_INFO "%s\n", qlcnic_driver_string); | |
2690 | ||
2691 | #ifdef CONFIG_INET | |
2692 | register_netdevice_notifier(&qlcnic_netdev_cb); | |
2693 | register_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
2694 | #endif | |
2695 | ||
2696 | ||
2697 | return pci_register_driver(&qlcnic_driver); | |
2698 | } | |
2699 | ||
2700 | module_init(qlcnic_init_module); | |
2701 | ||
2702 | static void __exit qlcnic_exit_module(void) | |
2703 | { | |
2704 | ||
2705 | pci_unregister_driver(&qlcnic_driver); | |
2706 | ||
2707 | #ifdef CONFIG_INET | |
2708 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
2709 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
2710 | #endif | |
2711 | } | |
2712 | ||
2713 | module_exit(qlcnic_exit_module); |