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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 | ||
25 | #include <linux/slab.h> | |
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 | #include <linux/aer.h> | |
38 | ||
39 | MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); | |
40 | MODULE_LICENSE("GPL"); | |
41 | MODULE_VERSION(QLCNIC_LINUX_VERSIONID); | |
42 | MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); | |
43 | ||
44 | char qlcnic_driver_name[] = "qlcnic"; | |
45 | static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " | |
46 | "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; | |
47 | ||
48 | static int port_mode = QLCNIC_PORT_MODE_AUTO_NEG; | |
49 | ||
50 | /* Default to restricted 1G auto-neg mode */ | |
51 | static int wol_port_mode = 5; | |
52 | ||
53 | static int use_msi = 1; | |
54 | module_param(use_msi, int, 0644); | |
55 | MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled"); | |
56 | ||
57 | static int use_msi_x = 1; | |
58 | module_param(use_msi_x, int, 0644); | |
59 | MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled"); | |
60 | ||
61 | static int auto_fw_reset = AUTO_FW_RESET_ENABLED; | |
62 | module_param(auto_fw_reset, int, 0644); | |
63 | MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); | |
64 | ||
65 | static int load_fw_file; | |
66 | module_param(load_fw_file, int, 0644); | |
67 | MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); | |
68 | ||
69 | static int qlcnic_config_npars; | |
70 | module_param(qlcnic_config_npars, int, 0644); | |
71 | MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled"); | |
72 | ||
73 | static int __devinit qlcnic_probe(struct pci_dev *pdev, | |
74 | const struct pci_device_id *ent); | |
75 | static void __devexit qlcnic_remove(struct pci_dev *pdev); | |
76 | static int qlcnic_open(struct net_device *netdev); | |
77 | static int qlcnic_close(struct net_device *netdev); | |
78 | static void qlcnic_tx_timeout(struct net_device *netdev); | |
79 | static void qlcnic_attach_work(struct work_struct *work); | |
80 | static void qlcnic_fwinit_work(struct work_struct *work); | |
81 | static void qlcnic_fw_poll_work(struct work_struct *work); | |
82 | static void qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
83 | work_func_t func, int delay); | |
84 | static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter); | |
85 | static int qlcnic_poll(struct napi_struct *napi, int budget); | |
86 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget); | |
87 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
88 | static void qlcnic_poll_controller(struct net_device *netdev); | |
89 | #endif | |
90 | ||
91 | static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter); | |
92 | static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); | |
93 | static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter); | |
94 | static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter); | |
95 | ||
96 | static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); | |
97 | static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter); | |
98 | static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); | |
99 | ||
100 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data); | |
101 | static irqreturn_t qlcnic_intr(int irq, void *data); | |
102 | static irqreturn_t qlcnic_msi_intr(int irq, void *data); | |
103 | static irqreturn_t qlcnic_msix_intr(int irq, void *data); | |
104 | ||
105 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); | |
106 | static void qlcnic_config_indev_addr(struct net_device *dev, unsigned long); | |
107 | static int qlcnic_start_firmware(struct qlcnic_adapter *); | |
108 | ||
109 | static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); | |
110 | static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32); | |
111 | static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32); | |
112 | static int qlcnicvf_start_firmware(struct qlcnic_adapter *); | |
113 | /* PCI Device ID Table */ | |
114 | #define ENTRY(device) \ | |
115 | {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ | |
116 | .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} | |
117 | ||
118 | #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020 | |
119 | ||
120 | static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { | |
121 | ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), | |
122 | {0,} | |
123 | }; | |
124 | ||
125 | MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); | |
126 | ||
127 | ||
128 | void | |
129 | qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter, | |
130 | struct qlcnic_host_tx_ring *tx_ring) | |
131 | { | |
132 | writel(tx_ring->producer, tx_ring->crb_cmd_producer); | |
133 | } | |
134 | ||
135 | static const u32 msi_tgt_status[8] = { | |
136 | ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, | |
137 | ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, | |
138 | ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, | |
139 | ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 | |
140 | }; | |
141 | ||
142 | static const | |
143 | struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; | |
144 | ||
145 | static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring) | |
146 | { | |
147 | writel(0, sds_ring->crb_intr_mask); | |
148 | } | |
149 | ||
150 | static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring) | |
151 | { | |
152 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
153 | ||
154 | writel(0x1, sds_ring->crb_intr_mask); | |
155 | ||
156 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
157 | writel(0xfbff, adapter->tgt_mask_reg); | |
158 | } | |
159 | ||
160 | static int | |
161 | qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) | |
162 | { | |
163 | int size = sizeof(struct qlcnic_host_sds_ring) * count; | |
164 | ||
165 | recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); | |
166 | ||
167 | return (recv_ctx->sds_rings == NULL); | |
168 | } | |
169 | ||
170 | static void | |
171 | qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) | |
172 | { | |
173 | if (recv_ctx->sds_rings != NULL) | |
174 | kfree(recv_ctx->sds_rings); | |
175 | ||
176 | recv_ctx->sds_rings = NULL; | |
177 | } | |
178 | ||
179 | static int | |
180 | qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
181 | { | |
182 | int ring; | |
183 | struct qlcnic_host_sds_ring *sds_ring; | |
184 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
185 | ||
186 | if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings)) | |
187 | return -ENOMEM; | |
188 | ||
189 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
190 | sds_ring = &recv_ctx->sds_rings[ring]; | |
191 | ||
192 | if (ring == adapter->max_sds_rings - 1) | |
193 | netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll, | |
194 | QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings); | |
195 | else | |
196 | netif_napi_add(netdev, &sds_ring->napi, | |
197 | qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2); | |
198 | } | |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
203 | static void | |
204 | qlcnic_napi_del(struct qlcnic_adapter *adapter) | |
205 | { | |
206 | int ring; | |
207 | struct qlcnic_host_sds_ring *sds_ring; | |
208 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
209 | ||
210 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
211 | sds_ring = &recv_ctx->sds_rings[ring]; | |
212 | netif_napi_del(&sds_ring->napi); | |
213 | } | |
214 | ||
215 | qlcnic_free_sds_rings(&adapter->recv_ctx); | |
216 | } | |
217 | ||
218 | static void | |
219 | qlcnic_napi_enable(struct qlcnic_adapter *adapter) | |
220 | { | |
221 | int ring; | |
222 | struct qlcnic_host_sds_ring *sds_ring; | |
223 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
224 | ||
225 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
226 | return; | |
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 | qlcnic_enable_int(sds_ring); | |
232 | } | |
233 | } | |
234 | ||
235 | static void | |
236 | qlcnic_napi_disable(struct qlcnic_adapter *adapter) | |
237 | { | |
238 | int ring; | |
239 | struct qlcnic_host_sds_ring *sds_ring; | |
240 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
241 | ||
242 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
243 | return; | |
244 | ||
245 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
246 | sds_ring = &recv_ctx->sds_rings[ring]; | |
247 | qlcnic_disable_int(sds_ring); | |
248 | napi_synchronize(&sds_ring->napi); | |
249 | napi_disable(&sds_ring->napi); | |
250 | } | |
251 | } | |
252 | ||
253 | static void qlcnic_clear_stats(struct qlcnic_adapter *adapter) | |
254 | { | |
255 | memset(&adapter->stats, 0, sizeof(adapter->stats)); | |
256 | } | |
257 | ||
258 | static void qlcnic_set_port_mode(struct qlcnic_adapter *adapter) | |
259 | { | |
260 | u32 val, data; | |
261 | ||
262 | val = adapter->ahw.board_type; | |
263 | if ((val == QLCNIC_BRDTYPE_P3_HMEZ) || | |
264 | (val == QLCNIC_BRDTYPE_P3_XG_LOM)) { | |
265 | if (port_mode == QLCNIC_PORT_MODE_802_3_AP) { | |
266 | data = QLCNIC_PORT_MODE_802_3_AP; | |
267 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
268 | } else if (port_mode == QLCNIC_PORT_MODE_XG) { | |
269 | data = QLCNIC_PORT_MODE_XG; | |
270 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
271 | } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_1G) { | |
272 | data = QLCNIC_PORT_MODE_AUTO_NEG_1G; | |
273 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
274 | } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_XG) { | |
275 | data = QLCNIC_PORT_MODE_AUTO_NEG_XG; | |
276 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
277 | } else { | |
278 | data = QLCNIC_PORT_MODE_AUTO_NEG; | |
279 | QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data); | |
280 | } | |
281 | ||
282 | if ((wol_port_mode != QLCNIC_PORT_MODE_802_3_AP) && | |
283 | (wol_port_mode != QLCNIC_PORT_MODE_XG) && | |
284 | (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_1G) && | |
285 | (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_XG)) { | |
286 | wol_port_mode = QLCNIC_PORT_MODE_AUTO_NEG; | |
287 | } | |
288 | QLCWR32(adapter, QLCNIC_WOL_PORT_MODE, wol_port_mode); | |
289 | } | |
290 | } | |
291 | ||
292 | static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable) | |
293 | { | |
294 | u32 control; | |
295 | int pos; | |
296 | ||
297 | pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); | |
298 | if (pos) { | |
299 | pci_read_config_dword(pdev, pos, &control); | |
300 | if (enable) | |
301 | control |= PCI_MSIX_FLAGS_ENABLE; | |
302 | else | |
303 | control = 0; | |
304 | pci_write_config_dword(pdev, pos, control); | |
305 | } | |
306 | } | |
307 | ||
308 | static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count) | |
309 | { | |
310 | int i; | |
311 | ||
312 | for (i = 0; i < count; i++) | |
313 | adapter->msix_entries[i].entry = i; | |
314 | } | |
315 | ||
316 | static int | |
317 | qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) | |
318 | { | |
319 | u8 mac_addr[ETH_ALEN]; | |
320 | struct net_device *netdev = adapter->netdev; | |
321 | struct pci_dev *pdev = adapter->pdev; | |
322 | ||
323 | if (adapter->nic_ops->get_mac_addr(adapter, mac_addr) != 0) | |
324 | return -EIO; | |
325 | ||
326 | memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); | |
327 | memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); | |
328 | memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); | |
329 | ||
330 | /* set station address */ | |
331 | ||
332 | if (!is_valid_ether_addr(netdev->perm_addr)) | |
333 | dev_warn(&pdev->dev, "Bad MAC address %pM.\n", | |
334 | netdev->dev_addr); | |
335 | ||
336 | return 0; | |
337 | } | |
338 | ||
339 | static int qlcnic_set_mac(struct net_device *netdev, void *p) | |
340 | { | |
341 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
342 | struct sockaddr *addr = p; | |
343 | ||
344 | if (!is_valid_ether_addr(addr->sa_data)) | |
345 | return -EINVAL; | |
346 | ||
347 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { | |
348 | netif_device_detach(netdev); | |
349 | qlcnic_napi_disable(adapter); | |
350 | } | |
351 | ||
352 | memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); | |
353 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
354 | qlcnic_set_multi(adapter->netdev); | |
355 | ||
356 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { | |
357 | netif_device_attach(netdev); | |
358 | qlcnic_napi_enable(adapter); | |
359 | } | |
360 | return 0; | |
361 | } | |
362 | ||
363 | static const struct net_device_ops qlcnic_netdev_ops = { | |
364 | .ndo_open = qlcnic_open, | |
365 | .ndo_stop = qlcnic_close, | |
366 | .ndo_start_xmit = qlcnic_xmit_frame, | |
367 | .ndo_get_stats = qlcnic_get_stats, | |
368 | .ndo_validate_addr = eth_validate_addr, | |
369 | .ndo_set_multicast_list = qlcnic_set_multi, | |
370 | .ndo_set_mac_address = qlcnic_set_mac, | |
371 | .ndo_change_mtu = qlcnic_change_mtu, | |
372 | .ndo_tx_timeout = qlcnic_tx_timeout, | |
373 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
374 | .ndo_poll_controller = qlcnic_poll_controller, | |
375 | #endif | |
376 | }; | |
377 | ||
378 | static struct qlcnic_nic_template qlcnic_ops = { | |
379 | .get_mac_addr = qlcnic_get_mac_address, | |
380 | .config_bridged_mode = qlcnic_config_bridged_mode, | |
381 | .config_led = qlcnic_config_led, | |
382 | .start_firmware = qlcnic_start_firmware | |
383 | }; | |
384 | ||
385 | static struct qlcnic_nic_template qlcnic_vf_ops = { | |
386 | .get_mac_addr = qlcnic_get_mac_address, | |
387 | .config_bridged_mode = qlcnicvf_config_bridged_mode, | |
388 | .config_led = qlcnicvf_config_led, | |
389 | .start_firmware = qlcnicvf_start_firmware | |
390 | }; | |
391 | ||
392 | static void | |
393 | qlcnic_setup_intr(struct qlcnic_adapter *adapter) | |
394 | { | |
395 | const struct qlcnic_legacy_intr_set *legacy_intrp; | |
396 | struct pci_dev *pdev = adapter->pdev; | |
397 | int err, num_msix; | |
398 | ||
399 | if (adapter->rss_supported) { | |
400 | num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ? | |
401 | MSIX_ENTRIES_PER_ADAPTER : 2; | |
402 | } else | |
403 | num_msix = 1; | |
404 | ||
405 | adapter->max_sds_rings = 1; | |
406 | ||
407 | adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); | |
408 | ||
409 | legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; | |
410 | ||
411 | adapter->int_vec_bit = legacy_intrp->int_vec_bit; | |
412 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
413 | legacy_intrp->tgt_status_reg); | |
414 | adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter, | |
415 | legacy_intrp->tgt_mask_reg); | |
416 | adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR); | |
417 | ||
418 | adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter, | |
419 | ISR_INT_STATE_REG); | |
420 | ||
421 | qlcnic_set_msix_bit(pdev, 0); | |
422 | ||
423 | if (adapter->msix_supported) { | |
424 | ||
425 | qlcnic_init_msix_entries(adapter, num_msix); | |
426 | err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); | |
427 | if (err == 0) { | |
428 | adapter->flags |= QLCNIC_MSIX_ENABLED; | |
429 | qlcnic_set_msix_bit(pdev, 1); | |
430 | ||
431 | if (adapter->rss_supported) | |
432 | adapter->max_sds_rings = num_msix; | |
433 | ||
434 | dev_info(&pdev->dev, "using msi-x interrupts\n"); | |
435 | return; | |
436 | } | |
437 | ||
438 | if (err > 0) | |
439 | pci_disable_msix(pdev); | |
440 | ||
441 | /* fall through for msi */ | |
442 | } | |
443 | ||
444 | if (use_msi && !pci_enable_msi(pdev)) { | |
445 | adapter->flags |= QLCNIC_MSI_ENABLED; | |
446 | adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter, | |
447 | msi_tgt_status[adapter->ahw.pci_func]); | |
448 | dev_info(&pdev->dev, "using msi interrupts\n"); | |
449 | adapter->msix_entries[0].vector = pdev->irq; | |
450 | return; | |
451 | } | |
452 | ||
453 | dev_info(&pdev->dev, "using legacy interrupts\n"); | |
454 | adapter->msix_entries[0].vector = pdev->irq; | |
455 | } | |
456 | ||
457 | static void | |
458 | qlcnic_teardown_intr(struct qlcnic_adapter *adapter) | |
459 | { | |
460 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
461 | pci_disable_msix(adapter->pdev); | |
462 | if (adapter->flags & QLCNIC_MSI_ENABLED) | |
463 | pci_disable_msi(adapter->pdev); | |
464 | } | |
465 | ||
466 | static void | |
467 | qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter) | |
468 | { | |
469 | if (adapter->ahw.pci_base0 != NULL) | |
470 | iounmap(adapter->ahw.pci_base0); | |
471 | } | |
472 | ||
473 | static int | |
474 | qlcnic_init_pci_info(struct qlcnic_adapter *adapter) | |
475 | { | |
476 | struct qlcnic_pci_info *pci_info; | |
477 | int i, ret = 0; | |
478 | u8 pfn; | |
479 | ||
480 | pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); | |
481 | if (!pci_info) | |
482 | return -ENOMEM; | |
483 | ||
484 | adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * | |
485 | QLCNIC_MAX_PCI_FUNC, GFP_KERNEL); | |
486 | if (!adapter->npars) { | |
487 | ret = -ENOMEM; | |
488 | goto err_pci_info; | |
489 | } | |
490 | ||
491 | adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * | |
492 | QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); | |
493 | if (!adapter->eswitch) { | |
494 | ret = -ENOMEM; | |
495 | goto err_npars; | |
496 | } | |
497 | ||
498 | ret = qlcnic_get_pci_info(adapter, pci_info); | |
499 | if (ret) | |
500 | goto err_eswitch; | |
501 | ||
502 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
503 | pfn = pci_info[i].id; | |
504 | if (pfn > QLCNIC_MAX_PCI_FUNC) | |
505 | return QL_STATUS_INVALID_PARAM; | |
506 | adapter->npars[pfn].active = pci_info[i].active; | |
507 | adapter->npars[pfn].type = pci_info[i].type; | |
508 | adapter->npars[pfn].phy_port = pci_info[i].default_port; | |
509 | adapter->npars[pfn].mac_learning = DEFAULT_MAC_LEARN; | |
510 | adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw; | |
511 | adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw; | |
512 | } | |
513 | ||
514 | for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) | |
515 | adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; | |
516 | ||
517 | kfree(pci_info); | |
518 | return 0; | |
519 | ||
520 | err_eswitch: | |
521 | kfree(adapter->eswitch); | |
522 | adapter->eswitch = NULL; | |
523 | err_npars: | |
524 | kfree(adapter->npars); | |
525 | adapter->npars = NULL; | |
526 | err_pci_info: | |
527 | kfree(pci_info); | |
528 | ||
529 | return ret; | |
530 | } | |
531 | ||
532 | static int | |
533 | qlcnic_set_function_modes(struct qlcnic_adapter *adapter) | |
534 | { | |
535 | u8 id; | |
536 | u32 ref_count; | |
537 | int i, ret = 1; | |
538 | u32 data = QLCNIC_MGMT_FUNC; | |
539 | void __iomem *priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
540 | ||
541 | /* If other drivers are not in use set their privilege level */ | |
542 | ref_count = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
543 | ret = qlcnic_api_lock(adapter); | |
544 | if (ret) | |
545 | goto err_lock; | |
546 | ||
547 | if (qlcnic_config_npars) { | |
548 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
549 | id = i; | |
550 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC || | |
551 | id == adapter->ahw.pci_func) | |
552 | continue; | |
553 | data |= (qlcnic_config_npars & | |
554 | QLC_DEV_SET_DRV(0xf, id)); | |
555 | } | |
556 | } else { | |
557 | data = readl(priv_op); | |
558 | data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw.pci_func)) | | |
559 | (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, | |
560 | adapter->ahw.pci_func)); | |
561 | } | |
562 | writel(data, priv_op); | |
563 | qlcnic_api_unlock(adapter); | |
564 | err_lock: | |
565 | return ret; | |
566 | } | |
567 | ||
568 | static u32 | |
569 | qlcnic_get_driver_mode(struct qlcnic_adapter *adapter) | |
570 | { | |
571 | void __iomem *msix_base_addr; | |
572 | void __iomem *priv_op; | |
573 | struct qlcnic_info nic_info; | |
574 | u32 func; | |
575 | u32 msix_base; | |
576 | u32 op_mode, priv_level; | |
577 | ||
578 | /* Determine FW API version */ | |
579 | adapter->fw_hal_version = readl(adapter->ahw.pci_base0 + QLCNIC_FW_API); | |
580 | ||
581 | /* Find PCI function number */ | |
582 | pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func); | |
583 | msix_base_addr = adapter->ahw.pci_base0 + QLCNIC_MSIX_BASE; | |
584 | msix_base = readl(msix_base_addr); | |
585 | func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE; | |
586 | adapter->ahw.pci_func = func; | |
587 | ||
588 | if (!qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func)) { | |
589 | adapter->capabilities = nic_info.capabilities; | |
590 | ||
591 | if (adapter->capabilities & BIT_6) | |
592 | adapter->flags |= QLCNIC_ESWITCH_ENABLED; | |
593 | else | |
594 | adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; | |
595 | } | |
596 | ||
597 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { | |
598 | adapter->nic_ops = &qlcnic_ops; | |
599 | return adapter->fw_hal_version; | |
600 | } | |
601 | ||
602 | /* Determine function privilege level */ | |
603 | priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE; | |
604 | op_mode = readl(priv_op); | |
605 | if (op_mode == QLC_DEV_DRV_DEFAULT) | |
606 | priv_level = QLCNIC_MGMT_FUNC; | |
607 | else | |
608 | priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func); | |
609 | ||
610 | switch (priv_level) { | |
611 | case QLCNIC_MGMT_FUNC: | |
612 | adapter->op_mode = QLCNIC_MGMT_FUNC; | |
613 | adapter->nic_ops = &qlcnic_ops; | |
614 | qlcnic_init_pci_info(adapter); | |
615 | /* Set privilege level for other functions */ | |
616 | qlcnic_set_function_modes(adapter); | |
617 | dev_info(&adapter->pdev->dev, | |
618 | "HAL Version: %d, Management function\n", | |
619 | adapter->fw_hal_version); | |
620 | break; | |
621 | case QLCNIC_PRIV_FUNC: | |
622 | adapter->op_mode = QLCNIC_PRIV_FUNC; | |
623 | dev_info(&adapter->pdev->dev, | |
624 | "HAL Version: %d, Privileged function\n", | |
625 | adapter->fw_hal_version); | |
626 | adapter->nic_ops = &qlcnic_ops; | |
627 | break; | |
628 | case QLCNIC_NON_PRIV_FUNC: | |
629 | adapter->op_mode = QLCNIC_NON_PRIV_FUNC; | |
630 | dev_info(&adapter->pdev->dev, | |
631 | "HAL Version: %d Non Privileged function\n", | |
632 | adapter->fw_hal_version); | |
633 | adapter->nic_ops = &qlcnic_vf_ops; | |
634 | break; | |
635 | default: | |
636 | dev_info(&adapter->pdev->dev, "Unknown function mode: %d\n", | |
637 | priv_level); | |
638 | return 0; | |
639 | } | |
640 | return adapter->fw_hal_version; | |
641 | } | |
642 | ||
643 | static int | |
644 | qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) | |
645 | { | |
646 | void __iomem *mem_ptr0 = NULL; | |
647 | resource_size_t mem_base; | |
648 | unsigned long mem_len, pci_len0 = 0; | |
649 | ||
650 | struct pci_dev *pdev = adapter->pdev; | |
651 | ||
652 | /* remap phys address */ | |
653 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ | |
654 | mem_len = pci_resource_len(pdev, 0); | |
655 | ||
656 | if (mem_len == QLCNIC_PCI_2MB_SIZE) { | |
657 | ||
658 | mem_ptr0 = pci_ioremap_bar(pdev, 0); | |
659 | if (mem_ptr0 == NULL) { | |
660 | dev_err(&pdev->dev, "failed to map PCI bar 0\n"); | |
661 | return -EIO; | |
662 | } | |
663 | pci_len0 = mem_len; | |
664 | } else { | |
665 | return -EIO; | |
666 | } | |
667 | ||
668 | dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); | |
669 | ||
670 | adapter->ahw.pci_base0 = mem_ptr0; | |
671 | adapter->ahw.pci_len0 = pci_len0; | |
672 | ||
673 | if (!qlcnic_get_driver_mode(adapter)) { | |
674 | iounmap(adapter->ahw.pci_base0); | |
675 | return -EIO; | |
676 | } | |
677 | ||
678 | adapter->ahw.ocm_win_crb = qlcnic_get_ioaddr(adapter, | |
679 | QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(adapter->ahw.pci_func))); | |
680 | ||
681 | return 0; | |
682 | } | |
683 | ||
684 | static void get_brd_name(struct qlcnic_adapter *adapter, char *name) | |
685 | { | |
686 | struct pci_dev *pdev = adapter->pdev; | |
687 | int i, found = 0; | |
688 | ||
689 | for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { | |
690 | if (qlcnic_boards[i].vendor == pdev->vendor && | |
691 | qlcnic_boards[i].device == pdev->device && | |
692 | qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && | |
693 | qlcnic_boards[i].sub_device == pdev->subsystem_device) { | |
694 | sprintf(name, "%pM: %s" , | |
695 | adapter->mac_addr, | |
696 | qlcnic_boards[i].short_name); | |
697 | found = 1; | |
698 | break; | |
699 | } | |
700 | ||
701 | } | |
702 | ||
703 | if (!found) | |
704 | sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); | |
705 | } | |
706 | ||
707 | static void | |
708 | qlcnic_check_options(struct qlcnic_adapter *adapter) | |
709 | { | |
710 | u32 fw_major, fw_minor, fw_build; | |
711 | char brd_name[QLCNIC_MAX_BOARD_NAME_LEN]; | |
712 | struct pci_dev *pdev = adapter->pdev; | |
713 | struct qlcnic_info nic_info; | |
714 | ||
715 | fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR); | |
716 | fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR); | |
717 | fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB); | |
718 | ||
719 | adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); | |
720 | ||
721 | if (adapter->portnum == 0) { | |
722 | get_brd_name(adapter, brd_name); | |
723 | ||
724 | pr_info("%s: %s Board Chip rev 0x%x\n", | |
725 | module_name(THIS_MODULE), | |
726 | brd_name, adapter->ahw.revision_id); | |
727 | } | |
728 | ||
729 | dev_info(&pdev->dev, "firmware v%d.%d.%d\n", | |
730 | fw_major, fw_minor, fw_build); | |
731 | ||
732 | adapter->flags &= ~QLCNIC_LRO_ENABLED; | |
733 | ||
734 | if (adapter->ahw.port_type == QLCNIC_XGBE) { | |
735 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
736 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
737 | } else if (adapter->ahw.port_type == QLCNIC_GBE) { | |
738 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
739 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
740 | } | |
741 | ||
742 | if (!qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func)) { | |
743 | adapter->physical_port = nic_info.phys_port; | |
744 | adapter->switch_mode = nic_info.switch_mode; | |
745 | adapter->max_tx_ques = nic_info.max_tx_ques; | |
746 | adapter->max_rx_ques = nic_info.max_rx_ques; | |
747 | adapter->capabilities = nic_info.capabilities; | |
748 | adapter->max_mac_filters = nic_info.max_mac_filters; | |
749 | adapter->max_mtu = nic_info.max_mtu; | |
750 | } | |
751 | ||
752 | adapter->msix_supported = !!use_msi_x; | |
753 | adapter->rss_supported = !!use_msi_x; | |
754 | ||
755 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
756 | ||
757 | adapter->max_rds_rings = 2; | |
758 | } | |
759 | ||
760 | static int | |
761 | qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) | |
762 | { | |
763 | int i, err = 0; | |
764 | struct qlcnic_npar_info *npar; | |
765 | struct qlcnic_info nic_info; | |
766 | ||
767 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || | |
768 | !adapter->need_fw_reset) | |
769 | return 0; | |
770 | ||
771 | if (adapter->op_mode == QLCNIC_MGMT_FUNC) { | |
772 | /* Set the NPAR config data after FW reset */ | |
773 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
774 | npar = &adapter->npars[i]; | |
775 | if (npar->type != QLCNIC_TYPE_NIC) | |
776 | continue; | |
777 | err = qlcnic_get_nic_info(adapter, &nic_info, i); | |
778 | if (err) | |
779 | goto err_out; | |
780 | nic_info.min_tx_bw = npar->min_bw; | |
781 | nic_info.max_tx_bw = npar->max_bw; | |
782 | err = qlcnic_set_nic_info(adapter, &nic_info); | |
783 | if (err) | |
784 | goto err_out; | |
785 | ||
786 | if (npar->enable_pm) { | |
787 | err = qlcnic_config_port_mirroring(adapter, | |
788 | npar->dest_npar, 1, i); | |
789 | if (err) | |
790 | goto err_out; | |
791 | ||
792 | } | |
793 | npar->mac_learning = DEFAULT_MAC_LEARN; | |
794 | npar->host_vlan_tag = 0; | |
795 | npar->promisc_mode = 0; | |
796 | npar->discard_tagged = 0; | |
797 | npar->vlan_id = 0; | |
798 | } | |
799 | } | |
800 | err_out: | |
801 | return err; | |
802 | } | |
803 | ||
804 | static int | |
805 | qlcnic_start_firmware(struct qlcnic_adapter *adapter) | |
806 | { | |
807 | int val, err, first_boot; | |
808 | ||
809 | err = qlcnic_can_start_firmware(adapter); | |
810 | if (err < 0) | |
811 | return err; | |
812 | else if (!err) | |
813 | goto wait_init; | |
814 | ||
815 | first_boot = QLCRD32(adapter, QLCNIC_CAM_RAM(0x1fc)); | |
816 | if (first_boot == 0x55555555) | |
817 | /* This is the first boot after power up */ | |
818 | QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC); | |
819 | ||
820 | if (load_fw_file) | |
821 | qlcnic_request_firmware(adapter); | |
822 | else { | |
823 | if (qlcnic_check_flash_fw_ver(adapter)) | |
824 | goto err_out; | |
825 | ||
826 | adapter->fw_type = QLCNIC_FLASH_ROMIMAGE; | |
827 | } | |
828 | ||
829 | err = qlcnic_need_fw_reset(adapter); | |
830 | if (err < 0) | |
831 | goto err_out; | |
832 | if (err == 0) | |
833 | goto wait_init; | |
834 | ||
835 | if (first_boot != 0x55555555) { | |
836 | QLCWR32(adapter, CRB_CMDPEG_STATE, 0); | |
837 | QLCWR32(adapter, CRB_RCVPEG_STATE, 0); | |
838 | qlcnic_pinit_from_rom(adapter); | |
839 | msleep(1); | |
840 | } | |
841 | ||
842 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); | |
843 | QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); | |
844 | ||
845 | qlcnic_set_port_mode(adapter); | |
846 | ||
847 | err = qlcnic_load_firmware(adapter); | |
848 | if (err) | |
849 | goto err_out; | |
850 | ||
851 | qlcnic_release_firmware(adapter); | |
852 | ||
853 | val = (_QLCNIC_LINUX_MAJOR << 16) | |
854 | | ((_QLCNIC_LINUX_MINOR << 8)) | |
855 | | (_QLCNIC_LINUX_SUBVERSION); | |
856 | QLCWR32(adapter, CRB_DRIVER_VERSION, val); | |
857 | ||
858 | wait_init: | |
859 | /* Handshake with the card before we register the devices. */ | |
860 | err = qlcnic_init_firmware(adapter); | |
861 | if (err) | |
862 | goto err_out; | |
863 | ||
864 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); | |
865 | qlcnic_idc_debug_info(adapter, 1); | |
866 | ||
867 | qlcnic_check_options(adapter); | |
868 | if (qlcnic_reset_npar_config(adapter)) | |
869 | goto err_out; | |
870 | qlcnic_dev_set_npar_ready(adapter); | |
871 | ||
872 | adapter->need_fw_reset = 0; | |
873 | ||
874 | qlcnic_release_firmware(adapter); | |
875 | return 0; | |
876 | ||
877 | err_out: | |
878 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); | |
879 | dev_err(&adapter->pdev->dev, "Device state set to failed\n"); | |
880 | qlcnic_release_firmware(adapter); | |
881 | return err; | |
882 | } | |
883 | ||
884 | static int | |
885 | qlcnic_request_irq(struct qlcnic_adapter *adapter) | |
886 | { | |
887 | irq_handler_t handler; | |
888 | struct qlcnic_host_sds_ring *sds_ring; | |
889 | int err, ring; | |
890 | ||
891 | unsigned long flags = 0; | |
892 | struct net_device *netdev = adapter->netdev; | |
893 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
894 | ||
895 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { | |
896 | handler = qlcnic_tmp_intr; | |
897 | if (!QLCNIC_IS_MSI_FAMILY(adapter)) | |
898 | flags |= IRQF_SHARED; | |
899 | ||
900 | } else { | |
901 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
902 | handler = qlcnic_msix_intr; | |
903 | else if (adapter->flags & QLCNIC_MSI_ENABLED) | |
904 | handler = qlcnic_msi_intr; | |
905 | else { | |
906 | flags |= IRQF_SHARED; | |
907 | handler = qlcnic_intr; | |
908 | } | |
909 | } | |
910 | adapter->irq = netdev->irq; | |
911 | ||
912 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
913 | sds_ring = &recv_ctx->sds_rings[ring]; | |
914 | sprintf(sds_ring->name, "%s[%d]", netdev->name, ring); | |
915 | err = request_irq(sds_ring->irq, handler, | |
916 | flags, sds_ring->name, sds_ring); | |
917 | if (err) | |
918 | return err; | |
919 | } | |
920 | ||
921 | return 0; | |
922 | } | |
923 | ||
924 | static void | |
925 | qlcnic_free_irq(struct qlcnic_adapter *adapter) | |
926 | { | |
927 | int ring; | |
928 | struct qlcnic_host_sds_ring *sds_ring; | |
929 | ||
930 | struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; | |
931 | ||
932 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
933 | sds_ring = &recv_ctx->sds_rings[ring]; | |
934 | free_irq(sds_ring->irq, sds_ring); | |
935 | } | |
936 | } | |
937 | ||
938 | static void | |
939 | qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter) | |
940 | { | |
941 | adapter->coal.flags = QLCNIC_INTR_DEFAULT; | |
942 | adapter->coal.normal.data.rx_time_us = | |
943 | QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US; | |
944 | adapter->coal.normal.data.rx_packets = | |
945 | QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS; | |
946 | adapter->coal.normal.data.tx_time_us = | |
947 | QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US; | |
948 | adapter->coal.normal.data.tx_packets = | |
949 | QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS; | |
950 | } | |
951 | ||
952 | static int | |
953 | __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
954 | { | |
955 | int ring; | |
956 | struct qlcnic_host_rds_ring *rds_ring; | |
957 | ||
958 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
959 | return -EIO; | |
960 | ||
961 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
962 | return 0; | |
963 | ||
964 | if (qlcnic_fw_create_ctx(adapter)) | |
965 | return -EIO; | |
966 | ||
967 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
968 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
969 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
970 | } | |
971 | ||
972 | qlcnic_set_multi(netdev); | |
973 | qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); | |
974 | ||
975 | adapter->ahw.linkup = 0; | |
976 | ||
977 | if (adapter->max_sds_rings > 1) | |
978 | qlcnic_config_rss(adapter, 1); | |
979 | ||
980 | qlcnic_config_intr_coalesce(adapter); | |
981 | ||
982 | if (netdev->features & NETIF_F_LRO) | |
983 | qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); | |
984 | ||
985 | qlcnic_napi_enable(adapter); | |
986 | ||
987 | qlcnic_linkevent_request(adapter, 1); | |
988 | ||
989 | adapter->reset_context = 0; | |
990 | set_bit(__QLCNIC_DEV_UP, &adapter->state); | |
991 | return 0; | |
992 | } | |
993 | ||
994 | /* Usage: During resume and firmware recovery module.*/ | |
995 | ||
996 | static int | |
997 | qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
998 | { | |
999 | int err = 0; | |
1000 | ||
1001 | rtnl_lock(); | |
1002 | if (netif_running(netdev)) | |
1003 | err = __qlcnic_up(adapter, netdev); | |
1004 | rtnl_unlock(); | |
1005 | ||
1006 | return err; | |
1007 | } | |
1008 | ||
1009 | static void | |
1010 | __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1011 | { | |
1012 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1013 | return; | |
1014 | ||
1015 | if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
1016 | return; | |
1017 | ||
1018 | smp_mb(); | |
1019 | spin_lock(&adapter->tx_clean_lock); | |
1020 | netif_carrier_off(netdev); | |
1021 | netif_tx_disable(netdev); | |
1022 | ||
1023 | qlcnic_free_mac_list(adapter); | |
1024 | ||
1025 | qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); | |
1026 | ||
1027 | qlcnic_napi_disable(adapter); | |
1028 | ||
1029 | qlcnic_fw_destroy_ctx(adapter); | |
1030 | ||
1031 | qlcnic_reset_rx_buffers_list(adapter); | |
1032 | qlcnic_release_tx_buffers(adapter); | |
1033 | spin_unlock(&adapter->tx_clean_lock); | |
1034 | } | |
1035 | ||
1036 | /* Usage: During suspend and firmware recovery module */ | |
1037 | ||
1038 | static void | |
1039 | qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) | |
1040 | { | |
1041 | rtnl_lock(); | |
1042 | if (netif_running(netdev)) | |
1043 | __qlcnic_down(adapter, netdev); | |
1044 | rtnl_unlock(); | |
1045 | ||
1046 | } | |
1047 | ||
1048 | static int | |
1049 | qlcnic_attach(struct qlcnic_adapter *adapter) | |
1050 | { | |
1051 | struct net_device *netdev = adapter->netdev; | |
1052 | struct pci_dev *pdev = adapter->pdev; | |
1053 | int err; | |
1054 | ||
1055 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) | |
1056 | return 0; | |
1057 | ||
1058 | err = qlcnic_napi_add(adapter, netdev); | |
1059 | if (err) | |
1060 | return err; | |
1061 | ||
1062 | err = qlcnic_alloc_sw_resources(adapter); | |
1063 | if (err) { | |
1064 | dev_err(&pdev->dev, "Error in setting sw resources\n"); | |
1065 | goto err_out_napi_del; | |
1066 | } | |
1067 | ||
1068 | err = qlcnic_alloc_hw_resources(adapter); | |
1069 | if (err) { | |
1070 | dev_err(&pdev->dev, "Error in setting hw resources\n"); | |
1071 | goto err_out_free_sw; | |
1072 | } | |
1073 | ||
1074 | err = qlcnic_request_irq(adapter); | |
1075 | if (err) { | |
1076 | dev_err(&pdev->dev, "failed to setup interrupt\n"); | |
1077 | goto err_out_free_hw; | |
1078 | } | |
1079 | ||
1080 | qlcnic_init_coalesce_defaults(adapter); | |
1081 | ||
1082 | qlcnic_create_sysfs_entries(adapter); | |
1083 | ||
1084 | adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; | |
1085 | return 0; | |
1086 | ||
1087 | err_out_free_hw: | |
1088 | qlcnic_free_hw_resources(adapter); | |
1089 | err_out_free_sw: | |
1090 | qlcnic_free_sw_resources(adapter); | |
1091 | err_out_napi_del: | |
1092 | qlcnic_napi_del(adapter); | |
1093 | return err; | |
1094 | } | |
1095 | ||
1096 | static void | |
1097 | qlcnic_detach(struct qlcnic_adapter *adapter) | |
1098 | { | |
1099 | if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) | |
1100 | return; | |
1101 | ||
1102 | qlcnic_remove_sysfs_entries(adapter); | |
1103 | ||
1104 | qlcnic_free_hw_resources(adapter); | |
1105 | qlcnic_release_rx_buffers(adapter); | |
1106 | qlcnic_free_irq(adapter); | |
1107 | qlcnic_napi_del(adapter); | |
1108 | qlcnic_free_sw_resources(adapter); | |
1109 | ||
1110 | adapter->is_up = 0; | |
1111 | } | |
1112 | ||
1113 | void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) | |
1114 | { | |
1115 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1116 | struct qlcnic_host_sds_ring *sds_ring; | |
1117 | int ring; | |
1118 | ||
1119 | clear_bit(__QLCNIC_DEV_UP, &adapter->state); | |
1120 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { | |
1121 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1122 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
1123 | qlcnic_disable_int(sds_ring); | |
1124 | } | |
1125 | } | |
1126 | ||
1127 | qlcnic_fw_destroy_ctx(adapter); | |
1128 | ||
1129 | qlcnic_detach(adapter); | |
1130 | ||
1131 | adapter->diag_test = 0; | |
1132 | adapter->max_sds_rings = max_sds_rings; | |
1133 | ||
1134 | if (qlcnic_attach(adapter)) | |
1135 | goto out; | |
1136 | ||
1137 | if (netif_running(netdev)) | |
1138 | __qlcnic_up(adapter, netdev); | |
1139 | out: | |
1140 | netif_device_attach(netdev); | |
1141 | } | |
1142 | ||
1143 | int qlcnic_diag_alloc_res(struct net_device *netdev, int test) | |
1144 | { | |
1145 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1146 | struct qlcnic_host_sds_ring *sds_ring; | |
1147 | struct qlcnic_host_rds_ring *rds_ring; | |
1148 | int ring; | |
1149 | int ret; | |
1150 | ||
1151 | netif_device_detach(netdev); | |
1152 | ||
1153 | if (netif_running(netdev)) | |
1154 | __qlcnic_down(adapter, netdev); | |
1155 | ||
1156 | qlcnic_detach(adapter); | |
1157 | ||
1158 | adapter->max_sds_rings = 1; | |
1159 | adapter->diag_test = test; | |
1160 | ||
1161 | ret = qlcnic_attach(adapter); | |
1162 | if (ret) { | |
1163 | netif_device_attach(netdev); | |
1164 | return ret; | |
1165 | } | |
1166 | ||
1167 | ret = qlcnic_fw_create_ctx(adapter); | |
1168 | if (ret) { | |
1169 | qlcnic_detach(adapter); | |
1170 | netif_device_attach(netdev); | |
1171 | return ret; | |
1172 | } | |
1173 | ||
1174 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { | |
1175 | rds_ring = &adapter->recv_ctx.rds_rings[ring]; | |
1176 | qlcnic_post_rx_buffers(adapter, ring, rds_ring); | |
1177 | } | |
1178 | ||
1179 | if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { | |
1180 | for (ring = 0; ring < adapter->max_sds_rings; ring++) { | |
1181 | sds_ring = &adapter->recv_ctx.sds_rings[ring]; | |
1182 | qlcnic_enable_int(sds_ring); | |
1183 | } | |
1184 | } | |
1185 | set_bit(__QLCNIC_DEV_UP, &adapter->state); | |
1186 | ||
1187 | return 0; | |
1188 | } | |
1189 | ||
1190 | /* Reset context in hardware only */ | |
1191 | static int | |
1192 | qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) | |
1193 | { | |
1194 | struct net_device *netdev = adapter->netdev; | |
1195 | ||
1196 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1197 | return -EBUSY; | |
1198 | ||
1199 | netif_device_detach(netdev); | |
1200 | ||
1201 | qlcnic_down(adapter, netdev); | |
1202 | ||
1203 | qlcnic_up(adapter, netdev); | |
1204 | ||
1205 | netif_device_attach(netdev); | |
1206 | ||
1207 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | int | |
1212 | qlcnic_reset_context(struct qlcnic_adapter *adapter) | |
1213 | { | |
1214 | int err = 0; | |
1215 | struct net_device *netdev = adapter->netdev; | |
1216 | ||
1217 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1218 | return -EBUSY; | |
1219 | ||
1220 | if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { | |
1221 | ||
1222 | netif_device_detach(netdev); | |
1223 | ||
1224 | if (netif_running(netdev)) | |
1225 | __qlcnic_down(adapter, netdev); | |
1226 | ||
1227 | qlcnic_detach(adapter); | |
1228 | ||
1229 | if (netif_running(netdev)) { | |
1230 | err = qlcnic_attach(adapter); | |
1231 | if (!err) | |
1232 | __qlcnic_up(adapter, netdev); | |
1233 | } | |
1234 | ||
1235 | netif_device_attach(netdev); | |
1236 | } | |
1237 | ||
1238 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1239 | return err; | |
1240 | } | |
1241 | ||
1242 | static int | |
1243 | qlcnic_setup_netdev(struct qlcnic_adapter *adapter, | |
1244 | struct net_device *netdev, u8 pci_using_dac) | |
1245 | { | |
1246 | int err; | |
1247 | struct pci_dev *pdev = adapter->pdev; | |
1248 | ||
1249 | adapter->rx_csum = 1; | |
1250 | adapter->mc_enabled = 0; | |
1251 | adapter->max_mc_count = 38; | |
1252 | ||
1253 | netdev->netdev_ops = &qlcnic_netdev_ops; | |
1254 | netdev->watchdog_timeo = 5*HZ; | |
1255 | ||
1256 | qlcnic_change_mtu(netdev, netdev->mtu); | |
1257 | ||
1258 | SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); | |
1259 | ||
1260 | netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | | |
1261 | NETIF_F_IPV6_CSUM | NETIF_F_GRO); | |
1262 | netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | | |
1263 | NETIF_F_IPV6_CSUM); | |
1264 | ||
1265 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) { | |
1266 | netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
1267 | netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
1268 | } | |
1269 | ||
1270 | if (pci_using_dac) { | |
1271 | netdev->features |= NETIF_F_HIGHDMA; | |
1272 | netdev->vlan_features |= NETIF_F_HIGHDMA; | |
1273 | } | |
1274 | ||
1275 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX) | |
1276 | netdev->features |= (NETIF_F_HW_VLAN_TX); | |
1277 | ||
1278 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) | |
1279 | netdev->features |= NETIF_F_LRO; | |
1280 | ||
1281 | netdev->irq = adapter->msix_entries[0].vector; | |
1282 | ||
1283 | if (qlcnic_read_mac_addr(adapter)) | |
1284 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1285 | ||
1286 | netif_carrier_off(netdev); | |
1287 | netif_stop_queue(netdev); | |
1288 | ||
1289 | err = register_netdev(netdev); | |
1290 | if (err) { | |
1291 | dev_err(&pdev->dev, "failed to register net device\n"); | |
1292 | return err; | |
1293 | } | |
1294 | ||
1295 | return 0; | |
1296 | } | |
1297 | ||
1298 | static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac) | |
1299 | { | |
1300 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && | |
1301 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) | |
1302 | *pci_using_dac = 1; | |
1303 | else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && | |
1304 | !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) | |
1305 | *pci_using_dac = 0; | |
1306 | else { | |
1307 | dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); | |
1308 | return -EIO; | |
1309 | } | |
1310 | ||
1311 | return 0; | |
1312 | } | |
1313 | ||
1314 | static int __devinit | |
1315 | qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1316 | { | |
1317 | struct net_device *netdev = NULL; | |
1318 | struct qlcnic_adapter *adapter = NULL; | |
1319 | int err; | |
1320 | uint8_t revision_id; | |
1321 | uint8_t pci_using_dac; | |
1322 | ||
1323 | err = pci_enable_device(pdev); | |
1324 | if (err) | |
1325 | return err; | |
1326 | ||
1327 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1328 | err = -ENODEV; | |
1329 | goto err_out_disable_pdev; | |
1330 | } | |
1331 | ||
1332 | err = qlcnic_set_dma_mask(pdev, &pci_using_dac); | |
1333 | if (err) | |
1334 | goto err_out_disable_pdev; | |
1335 | ||
1336 | err = pci_request_regions(pdev, qlcnic_driver_name); | |
1337 | if (err) | |
1338 | goto err_out_disable_pdev; | |
1339 | ||
1340 | pci_set_master(pdev); | |
1341 | pci_enable_pcie_error_reporting(pdev); | |
1342 | ||
1343 | netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); | |
1344 | if (!netdev) { | |
1345 | dev_err(&pdev->dev, "failed to allocate net_device\n"); | |
1346 | err = -ENOMEM; | |
1347 | goto err_out_free_res; | |
1348 | } | |
1349 | ||
1350 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
1351 | ||
1352 | adapter = netdev_priv(netdev); | |
1353 | adapter->netdev = netdev; | |
1354 | adapter->pdev = pdev; | |
1355 | adapter->dev_rst_time = jiffies; | |
1356 | ||
1357 | revision_id = pdev->revision; | |
1358 | adapter->ahw.revision_id = revision_id; | |
1359 | ||
1360 | rwlock_init(&adapter->ahw.crb_lock); | |
1361 | mutex_init(&adapter->ahw.mem_lock); | |
1362 | ||
1363 | spin_lock_init(&adapter->tx_clean_lock); | |
1364 | INIT_LIST_HEAD(&adapter->mac_list); | |
1365 | ||
1366 | err = qlcnic_setup_pci_map(adapter); | |
1367 | if (err) | |
1368 | goto err_out_free_netdev; | |
1369 | ||
1370 | /* This will be reset for mezz cards */ | |
1371 | adapter->portnum = adapter->ahw.pci_func; | |
1372 | ||
1373 | err = qlcnic_get_board_info(adapter); | |
1374 | if (err) { | |
1375 | dev_err(&pdev->dev, "Error getting board config info.\n"); | |
1376 | goto err_out_iounmap; | |
1377 | } | |
1378 | ||
1379 | if (qlcnic_read_mac_addr(adapter)) | |
1380 | dev_warn(&pdev->dev, "failed to read mac addr\n"); | |
1381 | ||
1382 | if (qlcnic_setup_idc_param(adapter)) | |
1383 | goto err_out_iounmap; | |
1384 | ||
1385 | err = adapter->nic_ops->start_firmware(adapter); | |
1386 | if (err) { | |
1387 | dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); | |
1388 | goto err_out_decr_ref; | |
1389 | } | |
1390 | ||
1391 | qlcnic_clear_stats(adapter); | |
1392 | ||
1393 | qlcnic_setup_intr(adapter); | |
1394 | ||
1395 | err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); | |
1396 | if (err) | |
1397 | goto err_out_disable_msi; | |
1398 | ||
1399 | pci_set_drvdata(pdev, adapter); | |
1400 | ||
1401 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1402 | ||
1403 | switch (adapter->ahw.port_type) { | |
1404 | case QLCNIC_GBE: | |
1405 | dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", | |
1406 | adapter->netdev->name); | |
1407 | break; | |
1408 | case QLCNIC_XGBE: | |
1409 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", | |
1410 | adapter->netdev->name); | |
1411 | break; | |
1412 | } | |
1413 | ||
1414 | qlcnic_create_diag_entries(adapter); | |
1415 | ||
1416 | return 0; | |
1417 | ||
1418 | err_out_disable_msi: | |
1419 | qlcnic_teardown_intr(adapter); | |
1420 | ||
1421 | err_out_decr_ref: | |
1422 | qlcnic_clr_all_drv_state(adapter); | |
1423 | ||
1424 | err_out_iounmap: | |
1425 | qlcnic_cleanup_pci_map(adapter); | |
1426 | ||
1427 | err_out_free_netdev: | |
1428 | free_netdev(netdev); | |
1429 | ||
1430 | err_out_free_res: | |
1431 | pci_release_regions(pdev); | |
1432 | ||
1433 | err_out_disable_pdev: | |
1434 | pci_set_drvdata(pdev, NULL); | |
1435 | pci_disable_device(pdev); | |
1436 | return err; | |
1437 | } | |
1438 | ||
1439 | static void __devexit qlcnic_remove(struct pci_dev *pdev) | |
1440 | { | |
1441 | struct qlcnic_adapter *adapter; | |
1442 | struct net_device *netdev; | |
1443 | ||
1444 | adapter = pci_get_drvdata(pdev); | |
1445 | if (adapter == NULL) | |
1446 | return; | |
1447 | ||
1448 | netdev = adapter->netdev; | |
1449 | ||
1450 | qlcnic_cancel_fw_work(adapter); | |
1451 | ||
1452 | unregister_netdev(netdev); | |
1453 | ||
1454 | qlcnic_detach(adapter); | |
1455 | ||
1456 | if (adapter->npars != NULL) | |
1457 | kfree(adapter->npars); | |
1458 | if (adapter->eswitch != NULL) | |
1459 | kfree(adapter->eswitch); | |
1460 | ||
1461 | qlcnic_clr_all_drv_state(adapter); | |
1462 | ||
1463 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1464 | ||
1465 | qlcnic_teardown_intr(adapter); | |
1466 | ||
1467 | qlcnic_remove_diag_entries(adapter); | |
1468 | ||
1469 | qlcnic_cleanup_pci_map(adapter); | |
1470 | ||
1471 | qlcnic_release_firmware(adapter); | |
1472 | ||
1473 | pci_disable_pcie_error_reporting(pdev); | |
1474 | pci_release_regions(pdev); | |
1475 | pci_disable_device(pdev); | |
1476 | pci_set_drvdata(pdev, NULL); | |
1477 | ||
1478 | free_netdev(netdev); | |
1479 | } | |
1480 | static int __qlcnic_shutdown(struct pci_dev *pdev) | |
1481 | { | |
1482 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1483 | struct net_device *netdev = adapter->netdev; | |
1484 | int retval; | |
1485 | ||
1486 | netif_device_detach(netdev); | |
1487 | ||
1488 | qlcnic_cancel_fw_work(adapter); | |
1489 | ||
1490 | if (netif_running(netdev)) | |
1491 | qlcnic_down(adapter, netdev); | |
1492 | ||
1493 | qlcnic_clr_all_drv_state(adapter); | |
1494 | ||
1495 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1496 | ||
1497 | retval = pci_save_state(pdev); | |
1498 | if (retval) | |
1499 | return retval; | |
1500 | ||
1501 | if (qlcnic_wol_supported(adapter)) { | |
1502 | pci_enable_wake(pdev, PCI_D3cold, 1); | |
1503 | pci_enable_wake(pdev, PCI_D3hot, 1); | |
1504 | } | |
1505 | ||
1506 | return 0; | |
1507 | } | |
1508 | ||
1509 | static void qlcnic_shutdown(struct pci_dev *pdev) | |
1510 | { | |
1511 | if (__qlcnic_shutdown(pdev)) | |
1512 | return; | |
1513 | ||
1514 | pci_disable_device(pdev); | |
1515 | } | |
1516 | ||
1517 | #ifdef CONFIG_PM | |
1518 | static int | |
1519 | qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) | |
1520 | { | |
1521 | int retval; | |
1522 | ||
1523 | retval = __qlcnic_shutdown(pdev); | |
1524 | if (retval) | |
1525 | return retval; | |
1526 | ||
1527 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1528 | return 0; | |
1529 | } | |
1530 | ||
1531 | static int | |
1532 | qlcnic_resume(struct pci_dev *pdev) | |
1533 | { | |
1534 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
1535 | struct net_device *netdev = adapter->netdev; | |
1536 | int err; | |
1537 | ||
1538 | err = pci_enable_device(pdev); | |
1539 | if (err) | |
1540 | return err; | |
1541 | ||
1542 | pci_set_power_state(pdev, PCI_D0); | |
1543 | pci_set_master(pdev); | |
1544 | pci_restore_state(pdev); | |
1545 | ||
1546 | err = adapter->nic_ops->start_firmware(adapter); | |
1547 | if (err) { | |
1548 | dev_err(&pdev->dev, "failed to start firmware\n"); | |
1549 | return err; | |
1550 | } | |
1551 | ||
1552 | if (netif_running(netdev)) { | |
1553 | err = qlcnic_up(adapter, netdev); | |
1554 | if (err) | |
1555 | goto done; | |
1556 | ||
1557 | qlcnic_config_indev_addr(netdev, NETDEV_UP); | |
1558 | } | |
1559 | done: | |
1560 | netif_device_attach(netdev); | |
1561 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
1562 | return 0; | |
1563 | } | |
1564 | #endif | |
1565 | ||
1566 | static int qlcnic_open(struct net_device *netdev) | |
1567 | { | |
1568 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1569 | int err; | |
1570 | ||
1571 | err = qlcnic_attach(adapter); | |
1572 | if (err) | |
1573 | return err; | |
1574 | ||
1575 | err = __qlcnic_up(adapter, netdev); | |
1576 | if (err) | |
1577 | goto err_out; | |
1578 | ||
1579 | netif_start_queue(netdev); | |
1580 | ||
1581 | return 0; | |
1582 | ||
1583 | err_out: | |
1584 | qlcnic_detach(adapter); | |
1585 | return err; | |
1586 | } | |
1587 | ||
1588 | /* | |
1589 | * qlcnic_close - Disables a network interface entry point | |
1590 | */ | |
1591 | static int qlcnic_close(struct net_device *netdev) | |
1592 | { | |
1593 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1594 | ||
1595 | __qlcnic_down(adapter, netdev); | |
1596 | return 0; | |
1597 | } | |
1598 | ||
1599 | static void | |
1600 | qlcnic_tso_check(struct net_device *netdev, | |
1601 | struct qlcnic_host_tx_ring *tx_ring, | |
1602 | struct cmd_desc_type0 *first_desc, | |
1603 | struct sk_buff *skb) | |
1604 | { | |
1605 | u8 opcode = TX_ETHER_PKT; | |
1606 | __be16 protocol = skb->protocol; | |
1607 | u16 flags = 0, vid = 0; | |
1608 | int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0; | |
1609 | struct cmd_desc_type0 *hwdesc; | |
1610 | struct vlan_ethhdr *vh; | |
1611 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1612 | u32 producer = tx_ring->producer; | |
1613 | ||
1614 | if (protocol == cpu_to_be16(ETH_P_8021Q)) { | |
1615 | ||
1616 | vh = (struct vlan_ethhdr *)skb->data; | |
1617 | protocol = vh->h_vlan_encapsulated_proto; | |
1618 | flags = FLAGS_VLAN_TAGGED; | |
1619 | ||
1620 | } else if (vlan_tx_tag_present(skb)) { | |
1621 | ||
1622 | flags = FLAGS_VLAN_OOB; | |
1623 | vid = vlan_tx_tag_get(skb); | |
1624 | qlcnic_set_tx_vlan_tci(first_desc, vid); | |
1625 | vlan_oob = 1; | |
1626 | } | |
1627 | ||
1628 | if (*(skb->data) & BIT_0) { | |
1629 | flags |= BIT_0; | |
1630 | memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN); | |
1631 | } | |
1632 | ||
1633 | if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && | |
1634 | skb_shinfo(skb)->gso_size > 0) { | |
1635 | ||
1636 | hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); | |
1637 | ||
1638 | first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
1639 | first_desc->total_hdr_length = hdr_len; | |
1640 | if (vlan_oob) { | |
1641 | first_desc->total_hdr_length += VLAN_HLEN; | |
1642 | first_desc->tcp_hdr_offset = VLAN_HLEN; | |
1643 | first_desc->ip_hdr_offset = VLAN_HLEN; | |
1644 | /* Only in case of TSO on vlan device */ | |
1645 | flags |= FLAGS_VLAN_TAGGED; | |
1646 | } | |
1647 | ||
1648 | opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? | |
1649 | TX_TCP_LSO6 : TX_TCP_LSO; | |
1650 | tso = 1; | |
1651 | ||
1652 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
1653 | u8 l4proto; | |
1654 | ||
1655 | if (protocol == cpu_to_be16(ETH_P_IP)) { | |
1656 | l4proto = ip_hdr(skb)->protocol; | |
1657 | ||
1658 | if (l4proto == IPPROTO_TCP) | |
1659 | opcode = TX_TCP_PKT; | |
1660 | else if (l4proto == IPPROTO_UDP) | |
1661 | opcode = TX_UDP_PKT; | |
1662 | } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { | |
1663 | l4proto = ipv6_hdr(skb)->nexthdr; | |
1664 | ||
1665 | if (l4proto == IPPROTO_TCP) | |
1666 | opcode = TX_TCPV6_PKT; | |
1667 | else if (l4proto == IPPROTO_UDP) | |
1668 | opcode = TX_UDPV6_PKT; | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | first_desc->tcp_hdr_offset += skb_transport_offset(skb); | |
1673 | first_desc->ip_hdr_offset += skb_network_offset(skb); | |
1674 | qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); | |
1675 | ||
1676 | if (!tso) | |
1677 | return; | |
1678 | ||
1679 | /* For LSO, we need to copy the MAC/IP/TCP headers into | |
1680 | * the descriptor ring | |
1681 | */ | |
1682 | copied = 0; | |
1683 | offset = 2; | |
1684 | ||
1685 | if (vlan_oob) { | |
1686 | /* Create a TSO vlan header template for firmware */ | |
1687 | ||
1688 | hwdesc = &tx_ring->desc_head[producer]; | |
1689 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1690 | ||
1691 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1692 | hdr_len + VLAN_HLEN); | |
1693 | ||
1694 | vh = (struct vlan_ethhdr *)((char *)hwdesc + 2); | |
1695 | skb_copy_from_linear_data(skb, vh, 12); | |
1696 | vh->h_vlan_proto = htons(ETH_P_8021Q); | |
1697 | vh->h_vlan_TCI = htons(vid); | |
1698 | skb_copy_from_linear_data_offset(skb, 12, | |
1699 | (char *)vh + 16, copy_len - 16); | |
1700 | ||
1701 | copied = copy_len - VLAN_HLEN; | |
1702 | offset = 0; | |
1703 | ||
1704 | producer = get_next_index(producer, tx_ring->num_desc); | |
1705 | } | |
1706 | ||
1707 | while (copied < hdr_len) { | |
1708 | ||
1709 | copy_len = min((int)sizeof(struct cmd_desc_type0) - offset, | |
1710 | (hdr_len - copied)); | |
1711 | ||
1712 | hwdesc = &tx_ring->desc_head[producer]; | |
1713 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1714 | ||
1715 | skb_copy_from_linear_data_offset(skb, copied, | |
1716 | (char *)hwdesc + offset, copy_len); | |
1717 | ||
1718 | copied += copy_len; | |
1719 | offset = 0; | |
1720 | ||
1721 | producer = get_next_index(producer, tx_ring->num_desc); | |
1722 | } | |
1723 | ||
1724 | tx_ring->producer = producer; | |
1725 | barrier(); | |
1726 | adapter->stats.lso_frames++; | |
1727 | } | |
1728 | ||
1729 | static int | |
1730 | qlcnic_map_tx_skb(struct pci_dev *pdev, | |
1731 | struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf) | |
1732 | { | |
1733 | struct qlcnic_skb_frag *nf; | |
1734 | struct skb_frag_struct *frag; | |
1735 | int i, nr_frags; | |
1736 | dma_addr_t map; | |
1737 | ||
1738 | nr_frags = skb_shinfo(skb)->nr_frags; | |
1739 | nf = &pbuf->frag_array[0]; | |
1740 | ||
1741 | map = pci_map_single(pdev, skb->data, | |
1742 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
1743 | if (pci_dma_mapping_error(pdev, map)) | |
1744 | goto out_err; | |
1745 | ||
1746 | nf->dma = map; | |
1747 | nf->length = skb_headlen(skb); | |
1748 | ||
1749 | for (i = 0; i < nr_frags; i++) { | |
1750 | frag = &skb_shinfo(skb)->frags[i]; | |
1751 | nf = &pbuf->frag_array[i+1]; | |
1752 | ||
1753 | map = pci_map_page(pdev, frag->page, frag->page_offset, | |
1754 | frag->size, PCI_DMA_TODEVICE); | |
1755 | if (pci_dma_mapping_error(pdev, map)) | |
1756 | goto unwind; | |
1757 | ||
1758 | nf->dma = map; | |
1759 | nf->length = frag->size; | |
1760 | } | |
1761 | ||
1762 | return 0; | |
1763 | ||
1764 | unwind: | |
1765 | while (--i >= 0) { | |
1766 | nf = &pbuf->frag_array[i+1]; | |
1767 | pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); | |
1768 | } | |
1769 | ||
1770 | nf = &pbuf->frag_array[0]; | |
1771 | pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); | |
1772 | ||
1773 | out_err: | |
1774 | return -ENOMEM; | |
1775 | } | |
1776 | ||
1777 | static inline void | |
1778 | qlcnic_clear_cmddesc(u64 *desc) | |
1779 | { | |
1780 | desc[0] = 0ULL; | |
1781 | desc[2] = 0ULL; | |
1782 | } | |
1783 | ||
1784 | netdev_tx_t | |
1785 | qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) | |
1786 | { | |
1787 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1788 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
1789 | struct qlcnic_cmd_buffer *pbuf; | |
1790 | struct qlcnic_skb_frag *buffrag; | |
1791 | struct cmd_desc_type0 *hwdesc, *first_desc; | |
1792 | struct pci_dev *pdev; | |
1793 | int i, k; | |
1794 | ||
1795 | u32 producer; | |
1796 | int frag_count, no_of_desc; | |
1797 | u32 num_txd = tx_ring->num_desc; | |
1798 | ||
1799 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { | |
1800 | netif_stop_queue(netdev); | |
1801 | return NETDEV_TX_BUSY; | |
1802 | } | |
1803 | ||
1804 | frag_count = skb_shinfo(skb)->nr_frags + 1; | |
1805 | ||
1806 | /* 4 fragments per cmd des */ | |
1807 | no_of_desc = (frag_count + 3) >> 2; | |
1808 | ||
1809 | if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { | |
1810 | netif_stop_queue(netdev); | |
1811 | smp_mb(); | |
1812 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) | |
1813 | netif_start_queue(netdev); | |
1814 | else { | |
1815 | adapter->stats.xmit_off++; | |
1816 | return NETDEV_TX_BUSY; | |
1817 | } | |
1818 | } | |
1819 | ||
1820 | producer = tx_ring->producer; | |
1821 | pbuf = &tx_ring->cmd_buf_arr[producer]; | |
1822 | ||
1823 | pdev = adapter->pdev; | |
1824 | ||
1825 | if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { | |
1826 | adapter->stats.tx_dma_map_error++; | |
1827 | goto drop_packet; | |
1828 | } | |
1829 | ||
1830 | pbuf->skb = skb; | |
1831 | pbuf->frag_count = frag_count; | |
1832 | ||
1833 | first_desc = hwdesc = &tx_ring->desc_head[producer]; | |
1834 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
1835 | ||
1836 | qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len); | |
1837 | qlcnic_set_tx_port(first_desc, adapter->portnum); | |
1838 | ||
1839 | for (i = 0; i < frag_count; i++) { | |
1840 | ||
1841 | k = i % 4; | |
1842 | ||
1843 | if ((k == 0) && (i > 0)) { | |
1844 | /* move to next desc.*/ | |
1845 | producer = get_next_index(producer, num_txd); | |
1846 | hwdesc = &tx_ring->desc_head[producer]; | |
1847 | qlcnic_clear_cmddesc((u64 *)hwdesc); | |
1848 | tx_ring->cmd_buf_arr[producer].skb = NULL; | |
1849 | } | |
1850 | ||
1851 | buffrag = &pbuf->frag_array[i]; | |
1852 | ||
1853 | hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length); | |
1854 | switch (k) { | |
1855 | case 0: | |
1856 | hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); | |
1857 | break; | |
1858 | case 1: | |
1859 | hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma); | |
1860 | break; | |
1861 | case 2: | |
1862 | hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma); | |
1863 | break; | |
1864 | case 3: | |
1865 | hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma); | |
1866 | break; | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | tx_ring->producer = get_next_index(producer, num_txd); | |
1871 | ||
1872 | qlcnic_tso_check(netdev, tx_ring, first_desc, skb); | |
1873 | ||
1874 | qlcnic_update_cmd_producer(adapter, tx_ring); | |
1875 | ||
1876 | adapter->stats.txbytes += skb->len; | |
1877 | adapter->stats.xmitcalled++; | |
1878 | ||
1879 | return NETDEV_TX_OK; | |
1880 | ||
1881 | drop_packet: | |
1882 | adapter->stats.txdropped++; | |
1883 | dev_kfree_skb_any(skb); | |
1884 | return NETDEV_TX_OK; | |
1885 | } | |
1886 | ||
1887 | static int qlcnic_check_temp(struct qlcnic_adapter *adapter) | |
1888 | { | |
1889 | struct net_device *netdev = adapter->netdev; | |
1890 | u32 temp, temp_state, temp_val; | |
1891 | int rv = 0; | |
1892 | ||
1893 | temp = QLCRD32(adapter, CRB_TEMP_STATE); | |
1894 | ||
1895 | temp_state = qlcnic_get_temp_state(temp); | |
1896 | temp_val = qlcnic_get_temp_val(temp); | |
1897 | ||
1898 | if (temp_state == QLCNIC_TEMP_PANIC) { | |
1899 | dev_err(&netdev->dev, | |
1900 | "Device temperature %d degrees C exceeds" | |
1901 | " maximum allowed. Hardware has been shut down.\n", | |
1902 | temp_val); | |
1903 | rv = 1; | |
1904 | } else if (temp_state == QLCNIC_TEMP_WARN) { | |
1905 | if (adapter->temp == QLCNIC_TEMP_NORMAL) { | |
1906 | dev_err(&netdev->dev, | |
1907 | "Device temperature %d degrees C " | |
1908 | "exceeds operating range." | |
1909 | " Immediate action needed.\n", | |
1910 | temp_val); | |
1911 | } | |
1912 | } else { | |
1913 | if (adapter->temp == QLCNIC_TEMP_WARN) { | |
1914 | dev_info(&netdev->dev, | |
1915 | "Device temperature is now %d degrees C" | |
1916 | " in normal range.\n", temp_val); | |
1917 | } | |
1918 | } | |
1919 | adapter->temp = temp_state; | |
1920 | return rv; | |
1921 | } | |
1922 | ||
1923 | void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup) | |
1924 | { | |
1925 | struct net_device *netdev = adapter->netdev; | |
1926 | ||
1927 | if (adapter->ahw.linkup && !linkup) { | |
1928 | netdev_info(netdev, "NIC Link is down\n"); | |
1929 | adapter->ahw.linkup = 0; | |
1930 | if (netif_running(netdev)) { | |
1931 | netif_carrier_off(netdev); | |
1932 | netif_stop_queue(netdev); | |
1933 | } | |
1934 | } else if (!adapter->ahw.linkup && linkup) { | |
1935 | netdev_info(netdev, "NIC Link is up\n"); | |
1936 | adapter->ahw.linkup = 1; | |
1937 | if (netif_running(netdev)) { | |
1938 | netif_carrier_on(netdev); | |
1939 | netif_wake_queue(netdev); | |
1940 | } | |
1941 | } | |
1942 | } | |
1943 | ||
1944 | static void qlcnic_tx_timeout(struct net_device *netdev) | |
1945 | { | |
1946 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1947 | ||
1948 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1949 | return; | |
1950 | ||
1951 | dev_err(&netdev->dev, "transmit timeout, resetting.\n"); | |
1952 | ||
1953 | if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) | |
1954 | adapter->need_fw_reset = 1; | |
1955 | else | |
1956 | adapter->reset_context = 1; | |
1957 | } | |
1958 | ||
1959 | static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) | |
1960 | { | |
1961 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
1962 | struct net_device_stats *stats = &netdev->stats; | |
1963 | ||
1964 | memset(stats, 0, sizeof(*stats)); | |
1965 | ||
1966 | stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; | |
1967 | stats->tx_packets = adapter->stats.xmitfinished; | |
1968 | stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; | |
1969 | stats->tx_bytes = adapter->stats.txbytes; | |
1970 | stats->rx_dropped = adapter->stats.rxdropped; | |
1971 | stats->tx_dropped = adapter->stats.txdropped; | |
1972 | ||
1973 | return stats; | |
1974 | } | |
1975 | ||
1976 | static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter) | |
1977 | { | |
1978 | u32 status; | |
1979 | ||
1980 | status = readl(adapter->isr_int_vec); | |
1981 | ||
1982 | if (!(status & adapter->int_vec_bit)) | |
1983 | return IRQ_NONE; | |
1984 | ||
1985 | /* check interrupt state machine, to be sure */ | |
1986 | status = readl(adapter->crb_int_state_reg); | |
1987 | if (!ISR_LEGACY_INT_TRIGGERED(status)) | |
1988 | return IRQ_NONE; | |
1989 | ||
1990 | writel(0xffffffff, adapter->tgt_status_reg); | |
1991 | /* read twice to ensure write is flushed */ | |
1992 | readl(adapter->isr_int_vec); | |
1993 | readl(adapter->isr_int_vec); | |
1994 | ||
1995 | return IRQ_HANDLED; | |
1996 | } | |
1997 | ||
1998 | static irqreturn_t qlcnic_tmp_intr(int irq, void *data) | |
1999 | { | |
2000 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2001 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2002 | ||
2003 | if (adapter->flags & QLCNIC_MSIX_ENABLED) | |
2004 | goto done; | |
2005 | else if (adapter->flags & QLCNIC_MSI_ENABLED) { | |
2006 | writel(0xffffffff, adapter->tgt_status_reg); | |
2007 | goto done; | |
2008 | } | |
2009 | ||
2010 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
2011 | return IRQ_NONE; | |
2012 | ||
2013 | done: | |
2014 | adapter->diag_cnt++; | |
2015 | qlcnic_enable_int(sds_ring); | |
2016 | return IRQ_HANDLED; | |
2017 | } | |
2018 | ||
2019 | static irqreturn_t qlcnic_intr(int irq, void *data) | |
2020 | { | |
2021 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2022 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2023 | ||
2024 | if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) | |
2025 | return IRQ_NONE; | |
2026 | ||
2027 | napi_schedule(&sds_ring->napi); | |
2028 | ||
2029 | return IRQ_HANDLED; | |
2030 | } | |
2031 | ||
2032 | static irqreturn_t qlcnic_msi_intr(int irq, void *data) | |
2033 | { | |
2034 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2035 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2036 | ||
2037 | /* clear interrupt */ | |
2038 | writel(0xffffffff, adapter->tgt_status_reg); | |
2039 | ||
2040 | napi_schedule(&sds_ring->napi); | |
2041 | return IRQ_HANDLED; | |
2042 | } | |
2043 | ||
2044 | static irqreturn_t qlcnic_msix_intr(int irq, void *data) | |
2045 | { | |
2046 | struct qlcnic_host_sds_ring *sds_ring = data; | |
2047 | ||
2048 | napi_schedule(&sds_ring->napi); | |
2049 | return IRQ_HANDLED; | |
2050 | } | |
2051 | ||
2052 | static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter) | |
2053 | { | |
2054 | u32 sw_consumer, hw_consumer; | |
2055 | int count = 0, i; | |
2056 | struct qlcnic_cmd_buffer *buffer; | |
2057 | struct pci_dev *pdev = adapter->pdev; | |
2058 | struct net_device *netdev = adapter->netdev; | |
2059 | struct qlcnic_skb_frag *frag; | |
2060 | int done; | |
2061 | struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; | |
2062 | ||
2063 | if (!spin_trylock(&adapter->tx_clean_lock)) | |
2064 | return 1; | |
2065 | ||
2066 | sw_consumer = tx_ring->sw_consumer; | |
2067 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2068 | ||
2069 | while (sw_consumer != hw_consumer) { | |
2070 | buffer = &tx_ring->cmd_buf_arr[sw_consumer]; | |
2071 | if (buffer->skb) { | |
2072 | frag = &buffer->frag_array[0]; | |
2073 | pci_unmap_single(pdev, frag->dma, frag->length, | |
2074 | PCI_DMA_TODEVICE); | |
2075 | frag->dma = 0ULL; | |
2076 | for (i = 1; i < buffer->frag_count; i++) { | |
2077 | frag++; | |
2078 | pci_unmap_page(pdev, frag->dma, frag->length, | |
2079 | PCI_DMA_TODEVICE); | |
2080 | frag->dma = 0ULL; | |
2081 | } | |
2082 | ||
2083 | adapter->stats.xmitfinished++; | |
2084 | dev_kfree_skb_any(buffer->skb); | |
2085 | buffer->skb = NULL; | |
2086 | } | |
2087 | ||
2088 | sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc); | |
2089 | if (++count >= MAX_STATUS_HANDLE) | |
2090 | break; | |
2091 | } | |
2092 | ||
2093 | if (count && netif_running(netdev)) { | |
2094 | tx_ring->sw_consumer = sw_consumer; | |
2095 | ||
2096 | smp_mb(); | |
2097 | ||
2098 | if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { | |
2099 | if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) { | |
2100 | netif_wake_queue(netdev); | |
2101 | adapter->stats.xmit_on++; | |
2102 | } | |
2103 | } | |
2104 | adapter->tx_timeo_cnt = 0; | |
2105 | } | |
2106 | /* | |
2107 | * If everything is freed up to consumer then check if the ring is full | |
2108 | * If the ring is full then check if more needs to be freed and | |
2109 | * schedule the call back again. | |
2110 | * | |
2111 | * This happens when there are 2 CPUs. One could be freeing and the | |
2112 | * other filling it. If the ring is full when we get out of here and | |
2113 | * the card has already interrupted the host then the host can miss the | |
2114 | * interrupt. | |
2115 | * | |
2116 | * There is still a possible race condition and the host could miss an | |
2117 | * interrupt. The card has to take care of this. | |
2118 | */ | |
2119 | hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer)); | |
2120 | done = (sw_consumer == hw_consumer); | |
2121 | spin_unlock(&adapter->tx_clean_lock); | |
2122 | ||
2123 | return done; | |
2124 | } | |
2125 | ||
2126 | static int qlcnic_poll(struct napi_struct *napi, int budget) | |
2127 | { | |
2128 | struct qlcnic_host_sds_ring *sds_ring = | |
2129 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2130 | ||
2131 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2132 | ||
2133 | int tx_complete; | |
2134 | int work_done; | |
2135 | ||
2136 | tx_complete = qlcnic_process_cmd_ring(adapter); | |
2137 | ||
2138 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2139 | ||
2140 | if ((work_done < budget) && tx_complete) { | |
2141 | napi_complete(&sds_ring->napi); | |
2142 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2143 | qlcnic_enable_int(sds_ring); | |
2144 | } | |
2145 | ||
2146 | return work_done; | |
2147 | } | |
2148 | ||
2149 | static int qlcnic_rx_poll(struct napi_struct *napi, int budget) | |
2150 | { | |
2151 | struct qlcnic_host_sds_ring *sds_ring = | |
2152 | container_of(napi, struct qlcnic_host_sds_ring, napi); | |
2153 | ||
2154 | struct qlcnic_adapter *adapter = sds_ring->adapter; | |
2155 | int work_done; | |
2156 | ||
2157 | work_done = qlcnic_process_rcv_ring(sds_ring, budget); | |
2158 | ||
2159 | if (work_done < budget) { | |
2160 | napi_complete(&sds_ring->napi); | |
2161 | if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2162 | qlcnic_enable_int(sds_ring); | |
2163 | } | |
2164 | ||
2165 | return work_done; | |
2166 | } | |
2167 | ||
2168 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2169 | static void qlcnic_poll_controller(struct net_device *netdev) | |
2170 | { | |
2171 | struct qlcnic_adapter *adapter = netdev_priv(netdev); | |
2172 | disable_irq(adapter->irq); | |
2173 | qlcnic_intr(adapter->irq, adapter); | |
2174 | enable_irq(adapter->irq); | |
2175 | } | |
2176 | #endif | |
2177 | ||
2178 | static void | |
2179 | qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) | |
2180 | { | |
2181 | u32 val; | |
2182 | ||
2183 | val = adapter->portnum & 0xf; | |
2184 | val |= encoding << 7; | |
2185 | val |= (jiffies - adapter->dev_rst_time) << 8; | |
2186 | ||
2187 | QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); | |
2188 | adapter->dev_rst_time = jiffies; | |
2189 | } | |
2190 | ||
2191 | static int | |
2192 | qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) | |
2193 | { | |
2194 | u32 val; | |
2195 | ||
2196 | WARN_ON(state != QLCNIC_DEV_NEED_RESET && | |
2197 | state != QLCNIC_DEV_NEED_QUISCENT); | |
2198 | ||
2199 | if (qlcnic_api_lock(adapter)) | |
2200 | return -EIO; | |
2201 | ||
2202 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2203 | ||
2204 | if (state == QLCNIC_DEV_NEED_RESET) | |
2205 | QLC_DEV_SET_RST_RDY(val, adapter->portnum); | |
2206 | else if (state == QLCNIC_DEV_NEED_QUISCENT) | |
2207 | QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); | |
2208 | ||
2209 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2210 | ||
2211 | qlcnic_api_unlock(adapter); | |
2212 | ||
2213 | return 0; | |
2214 | } | |
2215 | ||
2216 | static int | |
2217 | qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) | |
2218 | { | |
2219 | u32 val; | |
2220 | ||
2221 | if (qlcnic_api_lock(adapter)) | |
2222 | return -EBUSY; | |
2223 | ||
2224 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2225 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); | |
2226 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2227 | ||
2228 | qlcnic_api_unlock(adapter); | |
2229 | ||
2230 | return 0; | |
2231 | } | |
2232 | ||
2233 | static void | |
2234 | qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter) | |
2235 | { | |
2236 | u32 val; | |
2237 | ||
2238 | if (qlcnic_api_lock(adapter)) | |
2239 | goto err; | |
2240 | ||
2241 | val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
2242 | QLC_DEV_CLR_REF_CNT(val, adapter->portnum); | |
2243 | QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); | |
2244 | ||
2245 | if (!(val & 0x11111111)) | |
2246 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); | |
2247 | ||
2248 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2249 | QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); | |
2250 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2251 | ||
2252 | qlcnic_api_unlock(adapter); | |
2253 | err: | |
2254 | adapter->fw_fail_cnt = 0; | |
2255 | clear_bit(__QLCNIC_START_FW, &adapter->state); | |
2256 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
2257 | } | |
2258 | ||
2259 | /* Grab api lock, before checking state */ | |
2260 | static int | |
2261 | qlcnic_check_drv_state(struct qlcnic_adapter *adapter) | |
2262 | { | |
2263 | int act, state; | |
2264 | ||
2265 | state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2266 | act = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
2267 | ||
2268 | if (((state & 0x11111111) == (act & 0x11111111)) || | |
2269 | ((act & 0x11111111) == ((state >> 1) & 0x11111111))) | |
2270 | return 0; | |
2271 | else | |
2272 | return 1; | |
2273 | } | |
2274 | ||
2275 | static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) | |
2276 | { | |
2277 | u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER); | |
2278 | ||
2279 | if (val != QLCNIC_DRV_IDC_VER) { | |
2280 | dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" | |
2281 | " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); | |
2282 | } | |
2283 | ||
2284 | return 0; | |
2285 | } | |
2286 | ||
2287 | static int | |
2288 | qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) | |
2289 | { | |
2290 | u32 val, prev_state; | |
2291 | u8 dev_init_timeo = adapter->dev_init_timeo; | |
2292 | u8 portnum = adapter->portnum; | |
2293 | u8 ret; | |
2294 | ||
2295 | if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) | |
2296 | return 1; | |
2297 | ||
2298 | if (qlcnic_api_lock(adapter)) | |
2299 | return -1; | |
2300 | ||
2301 | val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); | |
2302 | if (!(val & (1 << (portnum * 4)))) { | |
2303 | QLC_DEV_SET_REF_CNT(val, portnum); | |
2304 | QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); | |
2305 | } | |
2306 | ||
2307 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2308 | QLCDB(adapter, HW, "Device state = %u\n", prev_state); | |
2309 | ||
2310 | switch (prev_state) { | |
2311 | case QLCNIC_DEV_COLD: | |
2312 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); | |
2313 | QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER); | |
2314 | qlcnic_idc_debug_info(adapter, 0); | |
2315 | qlcnic_api_unlock(adapter); | |
2316 | return 1; | |
2317 | ||
2318 | case QLCNIC_DEV_READY: | |
2319 | ret = qlcnic_check_idc_ver(adapter); | |
2320 | qlcnic_api_unlock(adapter); | |
2321 | return ret; | |
2322 | ||
2323 | case QLCNIC_DEV_NEED_RESET: | |
2324 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2325 | QLC_DEV_SET_RST_RDY(val, portnum); | |
2326 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2327 | break; | |
2328 | ||
2329 | case QLCNIC_DEV_NEED_QUISCENT: | |
2330 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2331 | QLC_DEV_SET_QSCNT_RDY(val, portnum); | |
2332 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2333 | break; | |
2334 | ||
2335 | case QLCNIC_DEV_FAILED: | |
2336 | dev_err(&adapter->pdev->dev, "Device in failed state.\n"); | |
2337 | qlcnic_api_unlock(adapter); | |
2338 | return -1; | |
2339 | ||
2340 | case QLCNIC_DEV_INITIALIZING: | |
2341 | case QLCNIC_DEV_QUISCENT: | |
2342 | break; | |
2343 | } | |
2344 | ||
2345 | qlcnic_api_unlock(adapter); | |
2346 | ||
2347 | do { | |
2348 | msleep(1000); | |
2349 | prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2350 | ||
2351 | if (prev_state == QLCNIC_DEV_QUISCENT) | |
2352 | continue; | |
2353 | } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); | |
2354 | ||
2355 | if (!dev_init_timeo) { | |
2356 | dev_err(&adapter->pdev->dev, | |
2357 | "Waiting for device to initialize timeout\n"); | |
2358 | return -1; | |
2359 | } | |
2360 | ||
2361 | if (qlcnic_api_lock(adapter)) | |
2362 | return -1; | |
2363 | ||
2364 | val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); | |
2365 | QLC_DEV_CLR_RST_QSCNT(val, portnum); | |
2366 | QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); | |
2367 | ||
2368 | ret = qlcnic_check_idc_ver(adapter); | |
2369 | qlcnic_api_unlock(adapter); | |
2370 | ||
2371 | return ret; | |
2372 | } | |
2373 | ||
2374 | static void | |
2375 | qlcnic_fwinit_work(struct work_struct *work) | |
2376 | { | |
2377 | struct qlcnic_adapter *adapter = container_of(work, | |
2378 | struct qlcnic_adapter, fw_work.work); | |
2379 | u32 dev_state = 0xf; | |
2380 | ||
2381 | if (qlcnic_api_lock(adapter)) | |
2382 | goto err_ret; | |
2383 | ||
2384 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2385 | if (dev_state == QLCNIC_DEV_QUISCENT) { | |
2386 | qlcnic_api_unlock(adapter); | |
2387 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2388 | FW_POLL_DELAY * 2); | |
2389 | return; | |
2390 | } | |
2391 | ||
2392 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) { | |
2393 | qlcnic_api_unlock(adapter); | |
2394 | goto wait_npar; | |
2395 | } | |
2396 | ||
2397 | if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { | |
2398 | dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", | |
2399 | adapter->reset_ack_timeo); | |
2400 | goto skip_ack_check; | |
2401 | } | |
2402 | ||
2403 | if (!qlcnic_check_drv_state(adapter)) { | |
2404 | skip_ack_check: | |
2405 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2406 | ||
2407 | if (dev_state == QLCNIC_DEV_NEED_QUISCENT) { | |
2408 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2409 | QLCNIC_DEV_QUISCENT); | |
2410 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, | |
2411 | FW_POLL_DELAY * 2); | |
2412 | QLCDB(adapter, DRV, "Quiscing the driver\n"); | |
2413 | qlcnic_idc_debug_info(adapter, 0); | |
2414 | ||
2415 | qlcnic_api_unlock(adapter); | |
2416 | return; | |
2417 | } | |
2418 | ||
2419 | if (dev_state == QLCNIC_DEV_NEED_RESET) { | |
2420 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, | |
2421 | QLCNIC_DEV_INITIALIZING); | |
2422 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
2423 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
2424 | qlcnic_idc_debug_info(adapter, 0); | |
2425 | } | |
2426 | ||
2427 | qlcnic_api_unlock(adapter); | |
2428 | ||
2429 | if (!adapter->nic_ops->start_firmware(adapter)) { | |
2430 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); | |
2431 | return; | |
2432 | } | |
2433 | goto err_ret; | |
2434 | } | |
2435 | ||
2436 | qlcnic_api_unlock(adapter); | |
2437 | ||
2438 | wait_npar: | |
2439 | dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2440 | QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); | |
2441 | ||
2442 | switch (dev_state) { | |
2443 | case QLCNIC_DEV_READY: | |
2444 | if (!adapter->nic_ops->start_firmware(adapter)) { | |
2445 | qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); | |
2446 | return; | |
2447 | } | |
2448 | case QLCNIC_DEV_FAILED: | |
2449 | break; | |
2450 | default: | |
2451 | qlcnic_schedule_work(adapter, | |
2452 | qlcnic_fwinit_work, FW_POLL_DELAY); | |
2453 | return; | |
2454 | } | |
2455 | ||
2456 | err_ret: | |
2457 | dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " | |
2458 | "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); | |
2459 | netif_device_attach(adapter->netdev); | |
2460 | qlcnic_clr_all_drv_state(adapter); | |
2461 | } | |
2462 | ||
2463 | static void | |
2464 | qlcnic_detach_work(struct work_struct *work) | |
2465 | { | |
2466 | struct qlcnic_adapter *adapter = container_of(work, | |
2467 | struct qlcnic_adapter, fw_work.work); | |
2468 | struct net_device *netdev = adapter->netdev; | |
2469 | u32 status; | |
2470 | ||
2471 | netif_device_detach(netdev); | |
2472 | ||
2473 | qlcnic_down(adapter, netdev); | |
2474 | ||
2475 | status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1); | |
2476 | ||
2477 | if (status & QLCNIC_RCODE_FATAL_ERROR) | |
2478 | goto err_ret; | |
2479 | ||
2480 | if (adapter->temp == QLCNIC_TEMP_PANIC) | |
2481 | goto err_ret; | |
2482 | ||
2483 | if (qlcnic_set_drv_state(adapter, adapter->dev_state)) | |
2484 | goto err_ret; | |
2485 | ||
2486 | adapter->fw_wait_cnt = 0; | |
2487 | ||
2488 | qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); | |
2489 | ||
2490 | return; | |
2491 | ||
2492 | err_ret: | |
2493 | dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n", | |
2494 | status, adapter->temp); | |
2495 | netif_device_attach(netdev); | |
2496 | qlcnic_clr_all_drv_state(adapter); | |
2497 | ||
2498 | } | |
2499 | ||
2500 | /*Transit NPAR state to NON Operational */ | |
2501 | static void | |
2502 | qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) | |
2503 | { | |
2504 | u32 state; | |
2505 | ||
2506 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2507 | if (state == QLCNIC_DEV_NPAR_NON_OPER) | |
2508 | return; | |
2509 | ||
2510 | if (qlcnic_api_lock(adapter)) | |
2511 | return; | |
2512 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); | |
2513 | qlcnic_api_unlock(adapter); | |
2514 | } | |
2515 | ||
2516 | /*Transit to RESET state from READY state only */ | |
2517 | static void | |
2518 | qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) | |
2519 | { | |
2520 | u32 state; | |
2521 | ||
2522 | adapter->need_fw_reset = 1; | |
2523 | if (qlcnic_api_lock(adapter)) | |
2524 | return; | |
2525 | ||
2526 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2527 | ||
2528 | if (state == QLCNIC_DEV_READY) { | |
2529 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); | |
2530 | QLCDB(adapter, DRV, "NEED_RESET state set\n"); | |
2531 | qlcnic_idc_debug_info(adapter, 0); | |
2532 | } | |
2533 | ||
2534 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); | |
2535 | qlcnic_api_unlock(adapter); | |
2536 | } | |
2537 | ||
2538 | /* Transit to NPAR READY state from NPAR NOT READY state */ | |
2539 | static void | |
2540 | qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) | |
2541 | { | |
2542 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || | |
2543 | adapter->op_mode != QLCNIC_MGMT_FUNC) | |
2544 | return; | |
2545 | if (qlcnic_api_lock(adapter)) | |
2546 | return; | |
2547 | ||
2548 | QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER); | |
2549 | QLCDB(adapter, DRV, "NPAR operational state set\n"); | |
2550 | ||
2551 | qlcnic_api_unlock(adapter); | |
2552 | } | |
2553 | ||
2554 | static void | |
2555 | qlcnic_schedule_work(struct qlcnic_adapter *adapter, | |
2556 | work_func_t func, int delay) | |
2557 | { | |
2558 | if (test_bit(__QLCNIC_AER, &adapter->state)) | |
2559 | return; | |
2560 | ||
2561 | INIT_DELAYED_WORK(&adapter->fw_work, func); | |
2562 | schedule_delayed_work(&adapter->fw_work, round_jiffies_relative(delay)); | |
2563 | } | |
2564 | ||
2565 | static void | |
2566 | qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter) | |
2567 | { | |
2568 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2569 | msleep(10); | |
2570 | ||
2571 | cancel_delayed_work_sync(&adapter->fw_work); | |
2572 | } | |
2573 | ||
2574 | static void | |
2575 | qlcnic_attach_work(struct work_struct *work) | |
2576 | { | |
2577 | struct qlcnic_adapter *adapter = container_of(work, | |
2578 | struct qlcnic_adapter, fw_work.work); | |
2579 | struct net_device *netdev = adapter->netdev; | |
2580 | ||
2581 | if (netif_running(netdev)) { | |
2582 | if (qlcnic_up(adapter, netdev)) | |
2583 | goto done; | |
2584 | ||
2585 | qlcnic_config_indev_addr(netdev, NETDEV_UP); | |
2586 | } | |
2587 | ||
2588 | done: | |
2589 | netif_device_attach(netdev); | |
2590 | adapter->fw_fail_cnt = 0; | |
2591 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
2592 | ||
2593 | if (!qlcnic_clr_drv_state(adapter)) | |
2594 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
2595 | FW_POLL_DELAY); | |
2596 | } | |
2597 | ||
2598 | static int | |
2599 | qlcnic_check_health(struct qlcnic_adapter *adapter) | |
2600 | { | |
2601 | u32 state = 0, heartbit; | |
2602 | struct net_device *netdev = adapter->netdev; | |
2603 | ||
2604 | if (qlcnic_check_temp(adapter)) | |
2605 | goto detach; | |
2606 | ||
2607 | if (adapter->need_fw_reset) | |
2608 | qlcnic_dev_request_reset(adapter); | |
2609 | ||
2610 | state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); | |
2611 | if (state == QLCNIC_DEV_NEED_RESET || | |
2612 | state == QLCNIC_DEV_NEED_QUISCENT) { | |
2613 | qlcnic_set_npar_non_operational(adapter); | |
2614 | adapter->need_fw_reset = 1; | |
2615 | } | |
2616 | ||
2617 | heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); | |
2618 | if (heartbit != adapter->heartbit) { | |
2619 | adapter->heartbit = heartbit; | |
2620 | adapter->fw_fail_cnt = 0; | |
2621 | if (adapter->need_fw_reset) | |
2622 | goto detach; | |
2623 | ||
2624 | if (adapter->reset_context && | |
2625 | auto_fw_reset == AUTO_FW_RESET_ENABLED) { | |
2626 | qlcnic_reset_hw_context(adapter); | |
2627 | adapter->netdev->trans_start = jiffies; | |
2628 | } | |
2629 | ||
2630 | return 0; | |
2631 | } | |
2632 | ||
2633 | if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) | |
2634 | return 0; | |
2635 | ||
2636 | qlcnic_dev_request_reset(adapter); | |
2637 | ||
2638 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED)) | |
2639 | clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); | |
2640 | ||
2641 | dev_info(&netdev->dev, "firmware hang detected\n"); | |
2642 | ||
2643 | detach: | |
2644 | adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : | |
2645 | QLCNIC_DEV_NEED_RESET; | |
2646 | ||
2647 | if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && | |
2648 | !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) { | |
2649 | ||
2650 | qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); | |
2651 | QLCDB(adapter, DRV, "fw recovery scheduled.\n"); | |
2652 | } | |
2653 | ||
2654 | return 1; | |
2655 | } | |
2656 | ||
2657 | static void | |
2658 | qlcnic_fw_poll_work(struct work_struct *work) | |
2659 | { | |
2660 | struct qlcnic_adapter *adapter = container_of(work, | |
2661 | struct qlcnic_adapter, fw_work.work); | |
2662 | ||
2663 | if (test_bit(__QLCNIC_RESETTING, &adapter->state)) | |
2664 | goto reschedule; | |
2665 | ||
2666 | ||
2667 | if (qlcnic_check_health(adapter)) | |
2668 | return; | |
2669 | ||
2670 | reschedule: | |
2671 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); | |
2672 | } | |
2673 | ||
2674 | static int qlcnic_is_first_func(struct pci_dev *pdev) | |
2675 | { | |
2676 | struct pci_dev *oth_pdev; | |
2677 | int val = pdev->devfn; | |
2678 | ||
2679 | while (val-- > 0) { | |
2680 | oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr | |
2681 | (pdev->bus), pdev->bus->number, | |
2682 | PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); | |
2683 | if (!oth_pdev) | |
2684 | continue; | |
2685 | ||
2686 | if (oth_pdev->current_state != PCI_D3cold) { | |
2687 | pci_dev_put(oth_pdev); | |
2688 | return 0; | |
2689 | } | |
2690 | pci_dev_put(oth_pdev); | |
2691 | } | |
2692 | return 1; | |
2693 | } | |
2694 | ||
2695 | static int qlcnic_attach_func(struct pci_dev *pdev) | |
2696 | { | |
2697 | int err, first_func; | |
2698 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
2699 | struct net_device *netdev = adapter->netdev; | |
2700 | ||
2701 | pdev->error_state = pci_channel_io_normal; | |
2702 | ||
2703 | err = pci_enable_device(pdev); | |
2704 | if (err) | |
2705 | return err; | |
2706 | ||
2707 | pci_set_power_state(pdev, PCI_D0); | |
2708 | pci_set_master(pdev); | |
2709 | pci_restore_state(pdev); | |
2710 | ||
2711 | first_func = qlcnic_is_first_func(pdev); | |
2712 | ||
2713 | if (qlcnic_api_lock(adapter)) | |
2714 | return -EINVAL; | |
2715 | ||
2716 | if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { | |
2717 | adapter->need_fw_reset = 1; | |
2718 | set_bit(__QLCNIC_START_FW, &adapter->state); | |
2719 | QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); | |
2720 | QLCDB(adapter, DRV, "Restarting fw\n"); | |
2721 | } | |
2722 | qlcnic_api_unlock(adapter); | |
2723 | ||
2724 | err = adapter->nic_ops->start_firmware(adapter); | |
2725 | if (err) | |
2726 | return err; | |
2727 | ||
2728 | qlcnic_clr_drv_state(adapter); | |
2729 | qlcnic_setup_intr(adapter); | |
2730 | ||
2731 | if (netif_running(netdev)) { | |
2732 | err = qlcnic_attach(adapter); | |
2733 | if (err) { | |
2734 | qlcnic_clr_all_drv_state(adapter); | |
2735 | clear_bit(__QLCNIC_AER, &adapter->state); | |
2736 | netif_device_attach(netdev); | |
2737 | return err; | |
2738 | } | |
2739 | ||
2740 | err = qlcnic_up(adapter, netdev); | |
2741 | if (err) | |
2742 | goto done; | |
2743 | ||
2744 | qlcnic_config_indev_addr(netdev, NETDEV_UP); | |
2745 | } | |
2746 | done: | |
2747 | netif_device_attach(netdev); | |
2748 | return err; | |
2749 | } | |
2750 | ||
2751 | static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, | |
2752 | pci_channel_state_t state) | |
2753 | { | |
2754 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
2755 | struct net_device *netdev = adapter->netdev; | |
2756 | ||
2757 | if (state == pci_channel_io_perm_failure) | |
2758 | return PCI_ERS_RESULT_DISCONNECT; | |
2759 | ||
2760 | if (state == pci_channel_io_normal) | |
2761 | return PCI_ERS_RESULT_RECOVERED; | |
2762 | ||
2763 | set_bit(__QLCNIC_AER, &adapter->state); | |
2764 | netif_device_detach(netdev); | |
2765 | ||
2766 | cancel_delayed_work_sync(&adapter->fw_work); | |
2767 | ||
2768 | if (netif_running(netdev)) | |
2769 | qlcnic_down(adapter, netdev); | |
2770 | ||
2771 | qlcnic_detach(adapter); | |
2772 | qlcnic_teardown_intr(adapter); | |
2773 | ||
2774 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
2775 | ||
2776 | pci_save_state(pdev); | |
2777 | pci_disable_device(pdev); | |
2778 | ||
2779 | return PCI_ERS_RESULT_NEED_RESET; | |
2780 | } | |
2781 | ||
2782 | static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) | |
2783 | { | |
2784 | return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : | |
2785 | PCI_ERS_RESULT_RECOVERED; | |
2786 | } | |
2787 | ||
2788 | static void qlcnic_io_resume(struct pci_dev *pdev) | |
2789 | { | |
2790 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); | |
2791 | ||
2792 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
2793 | ||
2794 | if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY && | |
2795 | test_and_clear_bit(__QLCNIC_AER, &adapter->state)) | |
2796 | qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, | |
2797 | FW_POLL_DELAY); | |
2798 | } | |
2799 | ||
2800 | ||
2801 | static int | |
2802 | qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) | |
2803 | { | |
2804 | int err; | |
2805 | u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; | |
2806 | u32 npar_state; | |
2807 | ||
2808 | err = qlcnic_can_start_firmware(adapter); | |
2809 | if (err) | |
2810 | return err; | |
2811 | ||
2812 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2813 | while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { | |
2814 | msleep(1000); | |
2815 | npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); | |
2816 | } | |
2817 | ||
2818 | if (!npar_opt_timeo) { | |
2819 | dev_err(&adapter->pdev->dev, | |
2820 | "Waiting for NPAR state to opertional timeout\n"); | |
2821 | return -EIO; | |
2822 | } | |
2823 | ||
2824 | qlcnic_check_options(adapter); | |
2825 | ||
2826 | adapter->need_fw_reset = 0; | |
2827 | ||
2828 | return err; | |
2829 | } | |
2830 | ||
2831 | static int | |
2832 | qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) | |
2833 | { | |
2834 | return -EOPNOTSUPP; | |
2835 | } | |
2836 | ||
2837 | static int | |
2838 | qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate) | |
2839 | { | |
2840 | return -EOPNOTSUPP; | |
2841 | } | |
2842 | ||
2843 | static ssize_t | |
2844 | qlcnic_store_bridged_mode(struct device *dev, | |
2845 | struct device_attribute *attr, const char *buf, size_t len) | |
2846 | { | |
2847 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2848 | unsigned long new; | |
2849 | int ret = -EINVAL; | |
2850 | ||
2851 | if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)) | |
2852 | goto err_out; | |
2853 | ||
2854 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
2855 | goto err_out; | |
2856 | ||
2857 | if (strict_strtoul(buf, 2, &new)) | |
2858 | goto err_out; | |
2859 | ||
2860 | if (!adapter->nic_ops->config_bridged_mode(adapter, !!new)) | |
2861 | ret = len; | |
2862 | ||
2863 | err_out: | |
2864 | return ret; | |
2865 | } | |
2866 | ||
2867 | static ssize_t | |
2868 | qlcnic_show_bridged_mode(struct device *dev, | |
2869 | struct device_attribute *attr, char *buf) | |
2870 | { | |
2871 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2872 | int bridged_mode = 0; | |
2873 | ||
2874 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
2875 | bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED); | |
2876 | ||
2877 | return sprintf(buf, "%d\n", bridged_mode); | |
2878 | } | |
2879 | ||
2880 | static struct device_attribute dev_attr_bridged_mode = { | |
2881 | .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2882 | .show = qlcnic_show_bridged_mode, | |
2883 | .store = qlcnic_store_bridged_mode, | |
2884 | }; | |
2885 | ||
2886 | static ssize_t | |
2887 | qlcnic_store_diag_mode(struct device *dev, | |
2888 | struct device_attribute *attr, const char *buf, size_t len) | |
2889 | { | |
2890 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2891 | unsigned long new; | |
2892 | ||
2893 | if (strict_strtoul(buf, 2, &new)) | |
2894 | return -EINVAL; | |
2895 | ||
2896 | if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
2897 | adapter->flags ^= QLCNIC_DIAG_ENABLED; | |
2898 | ||
2899 | return len; | |
2900 | } | |
2901 | ||
2902 | static ssize_t | |
2903 | qlcnic_show_diag_mode(struct device *dev, | |
2904 | struct device_attribute *attr, char *buf) | |
2905 | { | |
2906 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2907 | ||
2908 | return sprintf(buf, "%d\n", | |
2909 | !!(adapter->flags & QLCNIC_DIAG_ENABLED)); | |
2910 | } | |
2911 | ||
2912 | static struct device_attribute dev_attr_diag_mode = { | |
2913 | .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)}, | |
2914 | .show = qlcnic_show_diag_mode, | |
2915 | .store = qlcnic_store_diag_mode, | |
2916 | }; | |
2917 | ||
2918 | static int | |
2919 | qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, | |
2920 | loff_t offset, size_t size) | |
2921 | { | |
2922 | size_t crb_size = 4; | |
2923 | ||
2924 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
2925 | return -EIO; | |
2926 | ||
2927 | if (offset < QLCNIC_PCI_CRBSPACE) { | |
2928 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, | |
2929 | QLCNIC_PCI_CAMQM_END)) | |
2930 | crb_size = 8; | |
2931 | else | |
2932 | return -EINVAL; | |
2933 | } | |
2934 | ||
2935 | if ((size != crb_size) || (offset & (crb_size-1))) | |
2936 | return -EINVAL; | |
2937 | ||
2938 | return 0; | |
2939 | } | |
2940 | ||
2941 | static ssize_t | |
2942 | qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj, | |
2943 | struct bin_attribute *attr, | |
2944 | char *buf, loff_t offset, size_t size) | |
2945 | { | |
2946 | struct device *dev = container_of(kobj, struct device, kobj); | |
2947 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2948 | u32 data; | |
2949 | u64 qmdata; | |
2950 | int ret; | |
2951 | ||
2952 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
2953 | if (ret != 0) | |
2954 | return ret; | |
2955 | ||
2956 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { | |
2957 | qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); | |
2958 | memcpy(buf, &qmdata, size); | |
2959 | } else { | |
2960 | data = QLCRD32(adapter, offset); | |
2961 | memcpy(buf, &data, size); | |
2962 | } | |
2963 | return size; | |
2964 | } | |
2965 | ||
2966 | static ssize_t | |
2967 | qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj, | |
2968 | struct bin_attribute *attr, | |
2969 | char *buf, loff_t offset, size_t size) | |
2970 | { | |
2971 | struct device *dev = container_of(kobj, struct device, kobj); | |
2972 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
2973 | u32 data; | |
2974 | u64 qmdata; | |
2975 | int ret; | |
2976 | ||
2977 | ret = qlcnic_sysfs_validate_crb(adapter, offset, size); | |
2978 | if (ret != 0) | |
2979 | return ret; | |
2980 | ||
2981 | if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { | |
2982 | memcpy(&qmdata, buf, size); | |
2983 | qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); | |
2984 | } else { | |
2985 | memcpy(&data, buf, size); | |
2986 | QLCWR32(adapter, offset, data); | |
2987 | } | |
2988 | return size; | |
2989 | } | |
2990 | ||
2991 | static int | |
2992 | qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, | |
2993 | loff_t offset, size_t size) | |
2994 | { | |
2995 | if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) | |
2996 | return -EIO; | |
2997 | ||
2998 | if ((size != 8) || (offset & 0x7)) | |
2999 | return -EIO; | |
3000 | ||
3001 | return 0; | |
3002 | } | |
3003 | ||
3004 | static ssize_t | |
3005 | qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj, | |
3006 | struct bin_attribute *attr, | |
3007 | char *buf, loff_t offset, size_t size) | |
3008 | { | |
3009 | struct device *dev = container_of(kobj, struct device, kobj); | |
3010 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3011 | u64 data; | |
3012 | int ret; | |
3013 | ||
3014 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
3015 | if (ret != 0) | |
3016 | return ret; | |
3017 | ||
3018 | if (qlcnic_pci_mem_read_2M(adapter, offset, &data)) | |
3019 | return -EIO; | |
3020 | ||
3021 | memcpy(buf, &data, size); | |
3022 | ||
3023 | return size; | |
3024 | } | |
3025 | ||
3026 | static ssize_t | |
3027 | qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, | |
3028 | struct bin_attribute *attr, | |
3029 | char *buf, loff_t offset, size_t size) | |
3030 | { | |
3031 | struct device *dev = container_of(kobj, struct device, kobj); | |
3032 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3033 | u64 data; | |
3034 | int ret; | |
3035 | ||
3036 | ret = qlcnic_sysfs_validate_mem(adapter, offset, size); | |
3037 | if (ret != 0) | |
3038 | return ret; | |
3039 | ||
3040 | memcpy(&data, buf, size); | |
3041 | ||
3042 | if (qlcnic_pci_mem_write_2M(adapter, offset, data)) | |
3043 | return -EIO; | |
3044 | ||
3045 | return size; | |
3046 | } | |
3047 | ||
3048 | ||
3049 | static struct bin_attribute bin_attr_crb = { | |
3050 | .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)}, | |
3051 | .size = 0, | |
3052 | .read = qlcnic_sysfs_read_crb, | |
3053 | .write = qlcnic_sysfs_write_crb, | |
3054 | }; | |
3055 | ||
3056 | static struct bin_attribute bin_attr_mem = { | |
3057 | .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)}, | |
3058 | .size = 0, | |
3059 | .read = qlcnic_sysfs_read_mem, | |
3060 | .write = qlcnic_sysfs_write_mem, | |
3061 | }; | |
3062 | ||
3063 | static int | |
3064 | validate_pm_config(struct qlcnic_adapter *adapter, | |
3065 | struct qlcnic_pm_func_cfg *pm_cfg, int count) | |
3066 | { | |
3067 | ||
3068 | u8 src_pci_func, s_esw_id, d_esw_id; | |
3069 | u8 dest_pci_func; | |
3070 | int i; | |
3071 | ||
3072 | for (i = 0; i < count; i++) { | |
3073 | src_pci_func = pm_cfg[i].pci_func; | |
3074 | dest_pci_func = pm_cfg[i].dest_npar; | |
3075 | if (src_pci_func >= QLCNIC_MAX_PCI_FUNC | |
3076 | || dest_pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3077 | return QL_STATUS_INVALID_PARAM; | |
3078 | ||
3079 | if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC) | |
3080 | return QL_STATUS_INVALID_PARAM; | |
3081 | ||
3082 | if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC) | |
3083 | return QL_STATUS_INVALID_PARAM; | |
3084 | ||
3085 | if (!IS_VALID_MODE(pm_cfg[i].action)) | |
3086 | return QL_STATUS_INVALID_PARAM; | |
3087 | ||
3088 | s_esw_id = adapter->npars[src_pci_func].phy_port; | |
3089 | d_esw_id = adapter->npars[dest_pci_func].phy_port; | |
3090 | ||
3091 | if (s_esw_id != d_esw_id) | |
3092 | return QL_STATUS_INVALID_PARAM; | |
3093 | ||
3094 | } | |
3095 | return 0; | |
3096 | ||
3097 | } | |
3098 | ||
3099 | static ssize_t | |
3100 | qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj, | |
3101 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3102 | { | |
3103 | struct device *dev = container_of(kobj, struct device, kobj); | |
3104 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3105 | struct qlcnic_pm_func_cfg *pm_cfg; | |
3106 | u32 id, action, pci_func; | |
3107 | int count, rem, i, ret; | |
3108 | ||
3109 | count = size / sizeof(struct qlcnic_pm_func_cfg); | |
3110 | rem = size % sizeof(struct qlcnic_pm_func_cfg); | |
3111 | if (rem) | |
3112 | return QL_STATUS_INVALID_PARAM; | |
3113 | ||
3114 | pm_cfg = (struct qlcnic_pm_func_cfg *) buf; | |
3115 | ||
3116 | ret = validate_pm_config(adapter, pm_cfg, count); | |
3117 | if (ret) | |
3118 | return ret; | |
3119 | for (i = 0; i < count; i++) { | |
3120 | pci_func = pm_cfg[i].pci_func; | |
3121 | action = pm_cfg[i].action; | |
3122 | id = adapter->npars[pci_func].phy_port; | |
3123 | ret = qlcnic_config_port_mirroring(adapter, id, | |
3124 | action, pci_func); | |
3125 | if (ret) | |
3126 | return ret; | |
3127 | } | |
3128 | ||
3129 | for (i = 0; i < count; i++) { | |
3130 | pci_func = pm_cfg[i].pci_func; | |
3131 | id = adapter->npars[pci_func].phy_port; | |
3132 | adapter->npars[pci_func].enable_pm = pm_cfg[i].action; | |
3133 | adapter->npars[pci_func].dest_npar = id; | |
3134 | } | |
3135 | return size; | |
3136 | } | |
3137 | ||
3138 | static ssize_t | |
3139 | qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj, | |
3140 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3141 | { | |
3142 | struct device *dev = container_of(kobj, struct device, kobj); | |
3143 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3144 | struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3145 | int i; | |
3146 | ||
3147 | if (size != sizeof(pm_cfg)) | |
3148 | return QL_STATUS_INVALID_PARAM; | |
3149 | ||
3150 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3151 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3152 | continue; | |
3153 | pm_cfg[i].action = adapter->npars[i].enable_pm; | |
3154 | pm_cfg[i].dest_npar = 0; | |
3155 | pm_cfg[i].pci_func = i; | |
3156 | } | |
3157 | memcpy(buf, &pm_cfg, size); | |
3158 | ||
3159 | return size; | |
3160 | } | |
3161 | ||
3162 | static int | |
3163 | validate_esw_config(struct qlcnic_adapter *adapter, | |
3164 | struct qlcnic_esw_func_cfg *esw_cfg, int count) | |
3165 | { | |
3166 | u8 pci_func; | |
3167 | int i; | |
3168 | ||
3169 | for (i = 0; i < count; i++) { | |
3170 | pci_func = esw_cfg[i].pci_func; | |
3171 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3172 | return QL_STATUS_INVALID_PARAM; | |
3173 | ||
3174 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3175 | return QL_STATUS_INVALID_PARAM; | |
3176 | ||
3177 | if (esw_cfg->host_vlan_tag == 1) | |
3178 | if (!IS_VALID_VLAN(esw_cfg[i].vlan_id)) | |
3179 | return QL_STATUS_INVALID_PARAM; | |
3180 | ||
3181 | if (!IS_VALID_MODE(esw_cfg[i].promisc_mode) | |
3182 | || !IS_VALID_MODE(esw_cfg[i].host_vlan_tag) | |
3183 | || !IS_VALID_MODE(esw_cfg[i].mac_learning) | |
3184 | || !IS_VALID_MODE(esw_cfg[i].discard_tagged)) | |
3185 | return QL_STATUS_INVALID_PARAM; | |
3186 | } | |
3187 | ||
3188 | return 0; | |
3189 | } | |
3190 | ||
3191 | static ssize_t | |
3192 | qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj, | |
3193 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3194 | { | |
3195 | struct device *dev = container_of(kobj, struct device, kobj); | |
3196 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3197 | struct qlcnic_esw_func_cfg *esw_cfg; | |
3198 | int count, rem, i, ret; | |
3199 | u8 id, pci_func; | |
3200 | ||
3201 | count = size / sizeof(struct qlcnic_esw_func_cfg); | |
3202 | rem = size % sizeof(struct qlcnic_esw_func_cfg); | |
3203 | if (rem) | |
3204 | return QL_STATUS_INVALID_PARAM; | |
3205 | ||
3206 | esw_cfg = (struct qlcnic_esw_func_cfg *) buf; | |
3207 | ret = validate_esw_config(adapter, esw_cfg, count); | |
3208 | if (ret) | |
3209 | return ret; | |
3210 | ||
3211 | for (i = 0; i < count; i++) { | |
3212 | pci_func = esw_cfg[i].pci_func; | |
3213 | id = adapter->npars[pci_func].phy_port; | |
3214 | ret = qlcnic_config_switch_port(adapter, id, | |
3215 | esw_cfg[i].host_vlan_tag, | |
3216 | esw_cfg[i].discard_tagged, | |
3217 | esw_cfg[i].promisc_mode, | |
3218 | esw_cfg[i].mac_learning, | |
3219 | esw_cfg[i].pci_func, | |
3220 | esw_cfg[i].vlan_id); | |
3221 | if (ret) | |
3222 | return ret; | |
3223 | } | |
3224 | ||
3225 | for (i = 0; i < count; i++) { | |
3226 | pci_func = esw_cfg[i].pci_func; | |
3227 | adapter->npars[pci_func].promisc_mode = esw_cfg[i].promisc_mode; | |
3228 | adapter->npars[pci_func].mac_learning = esw_cfg[i].mac_learning; | |
3229 | adapter->npars[pci_func].vlan_id = esw_cfg[i].vlan_id; | |
3230 | adapter->npars[pci_func].discard_tagged = | |
3231 | esw_cfg[i].discard_tagged; | |
3232 | adapter->npars[pci_func].host_vlan_tag = | |
3233 | esw_cfg[i].host_vlan_tag; | |
3234 | } | |
3235 | ||
3236 | return size; | |
3237 | } | |
3238 | ||
3239 | static ssize_t | |
3240 | qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj, | |
3241 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3242 | { | |
3243 | struct device *dev = container_of(kobj, struct device, kobj); | |
3244 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3245 | struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3246 | int i; | |
3247 | ||
3248 | if (size != sizeof(esw_cfg)) | |
3249 | return QL_STATUS_INVALID_PARAM; | |
3250 | ||
3251 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { | |
3252 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3253 | continue; | |
3254 | ||
3255 | esw_cfg[i].host_vlan_tag = adapter->npars[i].host_vlan_tag; | |
3256 | esw_cfg[i].promisc_mode = adapter->npars[i].promisc_mode; | |
3257 | esw_cfg[i].discard_tagged = adapter->npars[i].discard_tagged; | |
3258 | esw_cfg[i].vlan_id = adapter->npars[i].vlan_id; | |
3259 | esw_cfg[i].mac_learning = adapter->npars[i].mac_learning; | |
3260 | } | |
3261 | memcpy(buf, &esw_cfg, size); | |
3262 | ||
3263 | return size; | |
3264 | } | |
3265 | ||
3266 | static int | |
3267 | validate_npar_config(struct qlcnic_adapter *adapter, | |
3268 | struct qlcnic_npar_func_cfg *np_cfg, int count) | |
3269 | { | |
3270 | u8 pci_func, i; | |
3271 | ||
3272 | for (i = 0; i < count; i++) { | |
3273 | pci_func = np_cfg[i].pci_func; | |
3274 | if (pci_func >= QLCNIC_MAX_PCI_FUNC) | |
3275 | return QL_STATUS_INVALID_PARAM; | |
3276 | ||
3277 | if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC) | |
3278 | return QL_STATUS_INVALID_PARAM; | |
3279 | ||
3280 | if (!IS_VALID_BW(np_cfg[i].min_bw) | |
3281 | || !IS_VALID_BW(np_cfg[i].max_bw) | |
3282 | || !IS_VALID_RX_QUEUES(np_cfg[i].max_rx_queues) | |
3283 | || !IS_VALID_TX_QUEUES(np_cfg[i].max_tx_queues)) | |
3284 | return QL_STATUS_INVALID_PARAM; | |
3285 | } | |
3286 | return 0; | |
3287 | } | |
3288 | ||
3289 | static ssize_t | |
3290 | qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj, | |
3291 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3292 | { | |
3293 | struct device *dev = container_of(kobj, struct device, kobj); | |
3294 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3295 | struct qlcnic_info nic_info; | |
3296 | struct qlcnic_npar_func_cfg *np_cfg; | |
3297 | int i, count, rem, ret; | |
3298 | u8 pci_func; | |
3299 | ||
3300 | count = size / sizeof(struct qlcnic_npar_func_cfg); | |
3301 | rem = size % sizeof(struct qlcnic_npar_func_cfg); | |
3302 | if (rem) | |
3303 | return QL_STATUS_INVALID_PARAM; | |
3304 | ||
3305 | np_cfg = (struct qlcnic_npar_func_cfg *) buf; | |
3306 | ret = validate_npar_config(adapter, np_cfg, count); | |
3307 | if (ret) | |
3308 | return ret; | |
3309 | ||
3310 | for (i = 0; i < count ; i++) { | |
3311 | pci_func = np_cfg[i].pci_func; | |
3312 | ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func); | |
3313 | if (ret) | |
3314 | return ret; | |
3315 | nic_info.pci_func = pci_func; | |
3316 | nic_info.min_tx_bw = np_cfg[i].min_bw; | |
3317 | nic_info.max_tx_bw = np_cfg[i].max_bw; | |
3318 | ret = qlcnic_set_nic_info(adapter, &nic_info); | |
3319 | if (ret) | |
3320 | return ret; | |
3321 | adapter->npars[i].min_bw = nic_info.min_tx_bw; | |
3322 | adapter->npars[i].max_bw = nic_info.max_tx_bw; | |
3323 | } | |
3324 | ||
3325 | return size; | |
3326 | ||
3327 | } | |
3328 | static ssize_t | |
3329 | qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj, | |
3330 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3331 | { | |
3332 | struct device *dev = container_of(kobj, struct device, kobj); | |
3333 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3334 | struct qlcnic_info nic_info; | |
3335 | struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3336 | int i, ret; | |
3337 | ||
3338 | if (size != sizeof(np_cfg)) | |
3339 | return QL_STATUS_INVALID_PARAM; | |
3340 | ||
3341 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
3342 | if (adapter->npars[i].type != QLCNIC_TYPE_NIC) | |
3343 | continue; | |
3344 | ret = qlcnic_get_nic_info(adapter, &nic_info, i); | |
3345 | if (ret) | |
3346 | return ret; | |
3347 | ||
3348 | np_cfg[i].pci_func = i; | |
3349 | np_cfg[i].op_mode = nic_info.op_mode; | |
3350 | np_cfg[i].port_num = nic_info.phys_port; | |
3351 | np_cfg[i].fw_capab = nic_info.capabilities; | |
3352 | np_cfg[i].min_bw = nic_info.min_tx_bw ; | |
3353 | np_cfg[i].max_bw = nic_info.max_tx_bw; | |
3354 | np_cfg[i].max_tx_queues = nic_info.max_tx_ques; | |
3355 | np_cfg[i].max_rx_queues = nic_info.max_rx_ques; | |
3356 | } | |
3357 | memcpy(buf, &np_cfg, size); | |
3358 | return size; | |
3359 | } | |
3360 | ||
3361 | static ssize_t | |
3362 | qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj, | |
3363 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3364 | { | |
3365 | struct device *dev = container_of(kobj, struct device, kobj); | |
3366 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3367 | struct qlcnic_esw_statistics port_stats; | |
3368 | int ret; | |
3369 | ||
3370 | if (size != sizeof(struct qlcnic_esw_statistics)) | |
3371 | return QL_STATUS_INVALID_PARAM; | |
3372 | ||
3373 | if (offset >= QLCNIC_MAX_PCI_FUNC) | |
3374 | return QL_STATUS_INVALID_PARAM; | |
3375 | ||
3376 | memset(&port_stats, 0, size); | |
3377 | ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, | |
3378 | &port_stats.rx); | |
3379 | if (ret) | |
3380 | return ret; | |
3381 | ||
3382 | ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, | |
3383 | &port_stats.tx); | |
3384 | if (ret) | |
3385 | return ret; | |
3386 | ||
3387 | memcpy(buf, &port_stats, size); | |
3388 | return size; | |
3389 | } | |
3390 | ||
3391 | static ssize_t | |
3392 | qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj, | |
3393 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3394 | { | |
3395 | struct device *dev = container_of(kobj, struct device, kobj); | |
3396 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3397 | struct qlcnic_esw_statistics esw_stats; | |
3398 | int ret; | |
3399 | ||
3400 | if (size != sizeof(struct qlcnic_esw_statistics)) | |
3401 | return QL_STATUS_INVALID_PARAM; | |
3402 | ||
3403 | if (offset >= QLCNIC_NIU_MAX_XG_PORTS) | |
3404 | return QL_STATUS_INVALID_PARAM; | |
3405 | ||
3406 | memset(&esw_stats, 0, size); | |
3407 | ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER, | |
3408 | &esw_stats.rx); | |
3409 | if (ret) | |
3410 | return ret; | |
3411 | ||
3412 | ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER, | |
3413 | &esw_stats.tx); | |
3414 | if (ret) | |
3415 | return ret; | |
3416 | ||
3417 | memcpy(buf, &esw_stats, size); | |
3418 | return size; | |
3419 | } | |
3420 | ||
3421 | static ssize_t | |
3422 | qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj, | |
3423 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3424 | { | |
3425 | struct device *dev = container_of(kobj, struct device, kobj); | |
3426 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3427 | int ret; | |
3428 | ||
3429 | if (offset >= QLCNIC_NIU_MAX_XG_PORTS) | |
3430 | return QL_STATUS_INVALID_PARAM; | |
3431 | ||
3432 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, | |
3433 | QLCNIC_QUERY_RX_COUNTER); | |
3434 | if (ret) | |
3435 | return ret; | |
3436 | ||
3437 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset, | |
3438 | QLCNIC_QUERY_TX_COUNTER); | |
3439 | if (ret) | |
3440 | return ret; | |
3441 | ||
3442 | return size; | |
3443 | } | |
3444 | ||
3445 | static ssize_t | |
3446 | qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj, | |
3447 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3448 | { | |
3449 | ||
3450 | struct device *dev = container_of(kobj, struct device, kobj); | |
3451 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3452 | int ret; | |
3453 | ||
3454 | if (offset >= QLCNIC_MAX_PCI_FUNC) | |
3455 | return QL_STATUS_INVALID_PARAM; | |
3456 | ||
3457 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, | |
3458 | QLCNIC_QUERY_RX_COUNTER); | |
3459 | if (ret) | |
3460 | return ret; | |
3461 | ||
3462 | ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset, | |
3463 | QLCNIC_QUERY_TX_COUNTER); | |
3464 | if (ret) | |
3465 | return ret; | |
3466 | ||
3467 | return size; | |
3468 | } | |
3469 | ||
3470 | static ssize_t | |
3471 | qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj, | |
3472 | struct bin_attribute *attr, char *buf, loff_t offset, size_t size) | |
3473 | { | |
3474 | struct device *dev = container_of(kobj, struct device, kobj); | |
3475 | struct qlcnic_adapter *adapter = dev_get_drvdata(dev); | |
3476 | struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC]; | |
3477 | struct qlcnic_pci_info *pci_info; | |
3478 | int i, ret; | |
3479 | ||
3480 | if (size != sizeof(pci_cfg)) | |
3481 | return QL_STATUS_INVALID_PARAM; | |
3482 | ||
3483 | pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); | |
3484 | if (!pci_info) | |
3485 | return -ENOMEM; | |
3486 | ||
3487 | ret = qlcnic_get_pci_info(adapter, pci_info); | |
3488 | if (ret) { | |
3489 | kfree(pci_info); | |
3490 | return ret; | |
3491 | } | |
3492 | ||
3493 | for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) { | |
3494 | pci_cfg[i].pci_func = pci_info[i].id; | |
3495 | pci_cfg[i].func_type = pci_info[i].type; | |
3496 | pci_cfg[i].port_num = pci_info[i].default_port; | |
3497 | pci_cfg[i].min_bw = pci_info[i].tx_min_bw; | |
3498 | pci_cfg[i].max_bw = pci_info[i].tx_max_bw; | |
3499 | memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN); | |
3500 | } | |
3501 | memcpy(buf, &pci_cfg, size); | |
3502 | kfree(pci_info); | |
3503 | return size; | |
3504 | } | |
3505 | static struct bin_attribute bin_attr_npar_config = { | |
3506 | .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3507 | .size = 0, | |
3508 | .read = qlcnic_sysfs_read_npar_config, | |
3509 | .write = qlcnic_sysfs_write_npar_config, | |
3510 | }; | |
3511 | ||
3512 | static struct bin_attribute bin_attr_pci_config = { | |
3513 | .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3514 | .size = 0, | |
3515 | .read = qlcnic_sysfs_read_pci_config, | |
3516 | .write = NULL, | |
3517 | }; | |
3518 | ||
3519 | static struct bin_attribute bin_attr_port_stats = { | |
3520 | .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)}, | |
3521 | .size = 0, | |
3522 | .read = qlcnic_sysfs_get_port_stats, | |
3523 | .write = qlcnic_sysfs_clear_port_stats, | |
3524 | }; | |
3525 | ||
3526 | static struct bin_attribute bin_attr_esw_stats = { | |
3527 | .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)}, | |
3528 | .size = 0, | |
3529 | .read = qlcnic_sysfs_get_esw_stats, | |
3530 | .write = qlcnic_sysfs_clear_esw_stats, | |
3531 | }; | |
3532 | ||
3533 | static struct bin_attribute bin_attr_esw_config = { | |
3534 | .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3535 | .size = 0, | |
3536 | .read = qlcnic_sysfs_read_esw_config, | |
3537 | .write = qlcnic_sysfs_write_esw_config, | |
3538 | }; | |
3539 | ||
3540 | static struct bin_attribute bin_attr_pm_config = { | |
3541 | .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)}, | |
3542 | .size = 0, | |
3543 | .read = qlcnic_sysfs_read_pm_config, | |
3544 | .write = qlcnic_sysfs_write_pm_config, | |
3545 | }; | |
3546 | ||
3547 | static void | |
3548 | qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter) | |
3549 | { | |
3550 | struct device *dev = &adapter->pdev->dev; | |
3551 | ||
3552 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3553 | if (device_create_file(dev, &dev_attr_bridged_mode)) | |
3554 | dev_warn(dev, | |
3555 | "failed to create bridged_mode sysfs entry\n"); | |
3556 | } | |
3557 | ||
3558 | static void | |
3559 | qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) | |
3560 | { | |
3561 | struct device *dev = &adapter->pdev->dev; | |
3562 | ||
3563 | if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG) | |
3564 | device_remove_file(dev, &dev_attr_bridged_mode); | |
3565 | } | |
3566 | ||
3567 | static void | |
3568 | qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) | |
3569 | { | |
3570 | struct device *dev = &adapter->pdev->dev; | |
3571 | ||
3572 | if (device_create_bin_file(dev, &bin_attr_port_stats)) | |
3573 | dev_info(dev, "failed to create port stats sysfs entry"); | |
3574 | ||
3575 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) | |
3576 | return; | |
3577 | if (device_create_file(dev, &dev_attr_diag_mode)) | |
3578 | dev_info(dev, "failed to create diag_mode sysfs entry\n"); | |
3579 | if (device_create_bin_file(dev, &bin_attr_crb)) | |
3580 | dev_info(dev, "failed to create crb sysfs entry\n"); | |
3581 | if (device_create_bin_file(dev, &bin_attr_mem)) | |
3582 | dev_info(dev, "failed to create mem sysfs entry\n"); | |
3583 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || | |
3584 | adapter->op_mode != QLCNIC_MGMT_FUNC) | |
3585 | return; | |
3586 | if (device_create_bin_file(dev, &bin_attr_pci_config)) | |
3587 | dev_info(dev, "failed to create pci config sysfs entry"); | |
3588 | if (device_create_bin_file(dev, &bin_attr_npar_config)) | |
3589 | dev_info(dev, "failed to create npar config sysfs entry"); | |
3590 | if (device_create_bin_file(dev, &bin_attr_esw_config)) | |
3591 | dev_info(dev, "failed to create esw config sysfs entry"); | |
3592 | if (device_create_bin_file(dev, &bin_attr_pm_config)) | |
3593 | dev_info(dev, "failed to create pm config sysfs entry"); | |
3594 | if (device_create_bin_file(dev, &bin_attr_esw_stats)) | |
3595 | dev_info(dev, "failed to create eswitch stats sysfs entry"); | |
3596 | } | |
3597 | ||
3598 | static void | |
3599 | qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) | |
3600 | { | |
3601 | struct device *dev = &adapter->pdev->dev; | |
3602 | ||
3603 | device_remove_bin_file(dev, &bin_attr_port_stats); | |
3604 | ||
3605 | if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) | |
3606 | return; | |
3607 | device_remove_file(dev, &dev_attr_diag_mode); | |
3608 | device_remove_bin_file(dev, &bin_attr_crb); | |
3609 | device_remove_bin_file(dev, &bin_attr_mem); | |
3610 | if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || | |
3611 | adapter->op_mode != QLCNIC_MGMT_FUNC) | |
3612 | return; | |
3613 | device_remove_bin_file(dev, &bin_attr_pci_config); | |
3614 | device_remove_bin_file(dev, &bin_attr_npar_config); | |
3615 | device_remove_bin_file(dev, &bin_attr_esw_config); | |
3616 | device_remove_bin_file(dev, &bin_attr_pm_config); | |
3617 | device_remove_bin_file(dev, &bin_attr_esw_stats); | |
3618 | } | |
3619 | ||
3620 | #ifdef CONFIG_INET | |
3621 | ||
3622 | #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) | |
3623 | ||
3624 | static void | |
3625 | qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) | |
3626 | { | |
3627 | struct in_device *indev; | |
3628 | struct qlcnic_adapter *adapter = netdev_priv(dev); | |
3629 | ||
3630 | indev = in_dev_get(dev); | |
3631 | if (!indev) | |
3632 | return; | |
3633 | ||
3634 | for_ifa(indev) { | |
3635 | switch (event) { | |
3636 | case NETDEV_UP: | |
3637 | qlcnic_config_ipaddr(adapter, | |
3638 | ifa->ifa_address, QLCNIC_IP_UP); | |
3639 | break; | |
3640 | case NETDEV_DOWN: | |
3641 | qlcnic_config_ipaddr(adapter, | |
3642 | ifa->ifa_address, QLCNIC_IP_DOWN); | |
3643 | break; | |
3644 | default: | |
3645 | break; | |
3646 | } | |
3647 | } endfor_ifa(indev); | |
3648 | ||
3649 | in_dev_put(indev); | |
3650 | } | |
3651 | ||
3652 | static int qlcnic_netdev_event(struct notifier_block *this, | |
3653 | unsigned long event, void *ptr) | |
3654 | { | |
3655 | struct qlcnic_adapter *adapter; | |
3656 | struct net_device *dev = (struct net_device *)ptr; | |
3657 | ||
3658 | recheck: | |
3659 | if (dev == NULL) | |
3660 | goto done; | |
3661 | ||
3662 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
3663 | dev = vlan_dev_real_dev(dev); | |
3664 | goto recheck; | |
3665 | } | |
3666 | ||
3667 | if (!is_qlcnic_netdev(dev)) | |
3668 | goto done; | |
3669 | ||
3670 | adapter = netdev_priv(dev); | |
3671 | ||
3672 | if (!adapter) | |
3673 | goto done; | |
3674 | ||
3675 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
3676 | goto done; | |
3677 | ||
3678 | qlcnic_config_indev_addr(dev, event); | |
3679 | done: | |
3680 | return NOTIFY_DONE; | |
3681 | } | |
3682 | ||
3683 | static int | |
3684 | qlcnic_inetaddr_event(struct notifier_block *this, | |
3685 | unsigned long event, void *ptr) | |
3686 | { | |
3687 | struct qlcnic_adapter *adapter; | |
3688 | struct net_device *dev; | |
3689 | ||
3690 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3691 | ||
3692 | dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; | |
3693 | ||
3694 | recheck: | |
3695 | if (dev == NULL || !netif_running(dev)) | |
3696 | goto done; | |
3697 | ||
3698 | if (dev->priv_flags & IFF_802_1Q_VLAN) { | |
3699 | dev = vlan_dev_real_dev(dev); | |
3700 | goto recheck; | |
3701 | } | |
3702 | ||
3703 | if (!is_qlcnic_netdev(dev)) | |
3704 | goto done; | |
3705 | ||
3706 | adapter = netdev_priv(dev); | |
3707 | ||
3708 | if (!adapter) | |
3709 | goto done; | |
3710 | ||
3711 | if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) | |
3712 | goto done; | |
3713 | ||
3714 | switch (event) { | |
3715 | case NETDEV_UP: | |
3716 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); | |
3717 | break; | |
3718 | case NETDEV_DOWN: | |
3719 | qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); | |
3720 | break; | |
3721 | default: | |
3722 | break; | |
3723 | } | |
3724 | ||
3725 | done: | |
3726 | return NOTIFY_DONE; | |
3727 | } | |
3728 | ||
3729 | static struct notifier_block qlcnic_netdev_cb = { | |
3730 | .notifier_call = qlcnic_netdev_event, | |
3731 | }; | |
3732 | ||
3733 | static struct notifier_block qlcnic_inetaddr_cb = { | |
3734 | .notifier_call = qlcnic_inetaddr_event, | |
3735 | }; | |
3736 | #else | |
3737 | static void | |
3738 | qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) | |
3739 | { } | |
3740 | #endif | |
3741 | static struct pci_error_handlers qlcnic_err_handler = { | |
3742 | .error_detected = qlcnic_io_error_detected, | |
3743 | .slot_reset = qlcnic_io_slot_reset, | |
3744 | .resume = qlcnic_io_resume, | |
3745 | }; | |
3746 | ||
3747 | static struct pci_driver qlcnic_driver = { | |
3748 | .name = qlcnic_driver_name, | |
3749 | .id_table = qlcnic_pci_tbl, | |
3750 | .probe = qlcnic_probe, | |
3751 | .remove = __devexit_p(qlcnic_remove), | |
3752 | #ifdef CONFIG_PM | |
3753 | .suspend = qlcnic_suspend, | |
3754 | .resume = qlcnic_resume, | |
3755 | #endif | |
3756 | .shutdown = qlcnic_shutdown, | |
3757 | .err_handler = &qlcnic_err_handler | |
3758 | ||
3759 | }; | |
3760 | ||
3761 | static int __init qlcnic_init_module(void) | |
3762 | { | |
3763 | int ret; | |
3764 | ||
3765 | printk(KERN_INFO "%s\n", qlcnic_driver_string); | |
3766 | ||
3767 | #ifdef CONFIG_INET | |
3768 | register_netdevice_notifier(&qlcnic_netdev_cb); | |
3769 | register_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
3770 | #endif | |
3771 | ||
3772 | ret = pci_register_driver(&qlcnic_driver); | |
3773 | if (ret) { | |
3774 | #ifdef CONFIG_INET | |
3775 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
3776 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
3777 | #endif | |
3778 | } | |
3779 | ||
3780 | return ret; | |
3781 | } | |
3782 | ||
3783 | module_init(qlcnic_init_module); | |
3784 | ||
3785 | static void __exit qlcnic_exit_module(void) | |
3786 | { | |
3787 | ||
3788 | pci_unregister_driver(&qlcnic_driver); | |
3789 | ||
3790 | #ifdef CONFIG_INET | |
3791 | unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); | |
3792 | unregister_netdevice_notifier(&qlcnic_netdev_cb); | |
3793 | #endif | |
3794 | } | |
3795 | ||
3796 | module_exit(qlcnic_exit_module); |