projects / deliverable / linux.git / blob
? search:


84d011ed7ec25900330be704bab5b05d7951dfb6
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
1 /*
2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
4 *
5 * See LICENSE.qlcnic for copyright and licensing details.
6 */
7
8 #include <linux/vmalloc.h>
9 #include <linux/interrupt.h>
10
11 #include "qlcnic.h"
12 #include "qlcnic_sriov.h"
13 #include "qlcnic_hw.h"
14
15 #include <linux/swab.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/if_vlan.h>
18 #include <net/ip.h>
19 #include <linux/ipv6.h>
20 #include <linux/inetdevice.h>
21 #include <linux/aer.h>
22 #include <linux/log2.h>
23 #include <linux/pci.h>
24 #ifdef CONFIG_QLCNIC_VXLAN
25 #include <net/vxlan.h>
26 #endif
27
28 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
29 MODULE_LICENSE("GPL");
30 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
31 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
32
33 char qlcnic_driver_name[] = "qlcnic";
34 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
36
37 static int qlcnic_mac_learn;
38 module_param(qlcnic_mac_learn, int, 0444);
39 MODULE_PARM_DESC(qlcnic_mac_learn,
40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
41
42 int qlcnic_use_msi = 1;
43 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
44 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
45
46 int qlcnic_use_msi_x = 1;
47 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
48 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
49
50 int qlcnic_auto_fw_reset = 1;
51 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
52 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
53
54 int qlcnic_load_fw_file;
55 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
56 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
57
58 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
59 static void qlcnic_remove(struct pci_dev *pdev);
60 static int qlcnic_open(struct net_device *netdev);
61 static int qlcnic_close(struct net_device *netdev);
62 static void qlcnic_tx_timeout(struct net_device *netdev);
63 static void qlcnic_attach_work(struct work_struct *work);
64 static void qlcnic_fwinit_work(struct work_struct *work);
65 #ifdef CONFIG_NET_POLL_CONTROLLER
66 static void qlcnic_poll_controller(struct net_device *netdev);
67 #endif
68
69 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
70 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
71
72 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
73 static irqreturn_t qlcnic_intr(int irq, void *data);
74 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
75 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
76 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
77
78 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
79 static int qlcnic_start_firmware(struct qlcnic_adapter *);
80
81 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
82 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
83 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
84 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
85 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
86
87 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
88 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
89 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
90 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
91 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
92 static void qlcnic_82xx_io_resume(struct pci_dev *);
93 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
94 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
95 pci_channel_state_t);
96 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
97 {
98 struct qlcnic_hardware_context *ahw = adapter->ahw;
99
100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
102 else
103 return 1;
104 }
105
106 /* PCI Device ID Table */
107 #define ENTRY(device) \
108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
110
111 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
117 {0,}
118 };
119
120 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
121
122
123 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
124 {
125 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
126 }
127
128 static const u32 msi_tgt_status[8] = {
129 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
130 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
131 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
132 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
133 };
134
135 static const u32 qlcnic_reg_tbl[] = {
136 0x1B20A8, /* PEG_HALT_STAT1 */
137 0x1B20AC, /* PEG_HALT_STAT2 */
138 0x1B20B0, /* FW_HEARTBEAT */
139 0x1B2100, /* LOCK ID */
140 0x1B2128, /* FW_CAPABILITIES */
141 0x1B2138, /* drv active */
142 0x1B2140, /* dev state */
143 0x1B2144, /* drv state */
144 0x1B2148, /* drv scratch */
145 0x1B214C, /* dev partition info */
146 0x1B2174, /* drv idc ver */
147 0x1B2150, /* fw version major */
148 0x1B2154, /* fw version minor */
149 0x1B2158, /* fw version sub */
150 0x1B219C, /* npar state */
151 0x1B21FC, /* FW_IMG_VALID */
152 0x1B2250, /* CMD_PEG_STATE */
153 0x1B233C, /* RCV_PEG_STATE */
154 0x1B23B4, /* ASIC TEMP */
155 0x1B216C, /* FW api */
156 0x1B2170, /* drv op mode */
157 0x13C010, /* flash lock */
158 0x13C014, /* flash unlock */
159 };
160
161 static const struct qlcnic_board_info qlcnic_boards[] = {
162 { PCI_VENDOR_ID_QLOGIC,
163 PCI_DEVICE_ID_QLOGIC_QLE844X,
164 0x0,
165 0x0,
166 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
170 0x24e,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
176 0x243,
177 "8300 Series Single Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
182 0x24a,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
188 0x246,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
194 0x252,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
200 0x26e,
201 "8300 Series Dual Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
206 0x260,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
212 0x266,
213 "8300 Series Single Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 PCI_VENDOR_ID_QLOGIC,
218 0x269,
219 "8300 Series Dual Port 10GbE Converged Network Adapter "
220 "(TCP/IP Networking)" },
221 { PCI_VENDOR_ID_QLOGIC,
222 PCI_DEVICE_ID_QLOGIC_QLE834X,
223 PCI_VENDOR_ID_QLOGIC,
224 0x271,
225 "8300 Series Dual Port 10GbE Converged Network Adapter "
226 "(TCP/IP Networking)" },
227 { PCI_VENDOR_ID_QLOGIC,
228 PCI_DEVICE_ID_QLOGIC_QLE834X,
229 0x0, 0x0, "8300 Series 1/10GbE Controller" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
233 0x203,
234 "8200 Series Single Port 10GbE Converged Network Adapter"
235 "(TCP/IP Networking)" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
239 0x207,
240 "8200 Series Dual Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
245 0x20b,
246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
247 { PCI_VENDOR_ID_QLOGIC,
248 PCI_DEVICE_ID_QLOGIC_QLE824X,
249 PCI_VENDOR_ID_QLOGIC,
250 0x20c,
251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
252 { PCI_VENDOR_ID_QLOGIC,
253 PCI_DEVICE_ID_QLOGIC_QLE824X,
254 PCI_VENDOR_ID_QLOGIC,
255 0x20f,
256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
259 0x103c, 0x3733,
260 "NC523SFP 10Gb 2-port Server Adapter" },
261 { PCI_VENDOR_ID_QLOGIC,
262 PCI_DEVICE_ID_QLOGIC_QLE824X,
263 0x103c, 0x3346,
264 "CN1000Q Dual Port Converged Network Adapter" },
265 { PCI_VENDOR_ID_QLOGIC,
266 PCI_DEVICE_ID_QLOGIC_QLE824X,
267 PCI_VENDOR_ID_QLOGIC,
268 0x210,
269 "QME8242-k 10GbE Dual Port Mezzanine Card" },
270 { PCI_VENDOR_ID_QLOGIC,
271 PCI_DEVICE_ID_QLOGIC_QLE824X,
272 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
273 };
274
275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
276
277 static const
278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
279
280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
281 {
282 int size = sizeof(struct qlcnic_host_sds_ring) * count;
283
284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
285
286 return recv_ctx->sds_rings == NULL;
287 }
288
289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
290 {
291 if (recv_ctx->sds_rings != NULL)
292 kfree(recv_ctx->sds_rings);
293
294 recv_ctx->sds_rings = NULL;
295 }
296
297 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
298 {
299 struct net_device *netdev = adapter->netdev;
300 struct pci_dev *pdev = adapter->pdev;
301 u8 mac_addr[ETH_ALEN];
302 int ret;
303
304 ret = qlcnic_get_mac_address(adapter, mac_addr,
305 adapter->ahw->pci_func);
306 if (ret)
307 return ret;
308
309 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
310 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
311
312 /* set station address */
313
314 if (!is_valid_ether_addr(netdev->dev_addr))
315 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
316 netdev->dev_addr);
317
318 return 0;
319 }
320
321 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
322 {
323 struct qlcnic_mac_vlan_list *cur;
324 struct list_head *head;
325
326 list_for_each(head, &adapter->mac_list) {
327 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
328 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
329 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
330 0, QLCNIC_MAC_DEL);
331 list_del(&cur->list);
332 kfree(cur);
333 return;
334 }
335 }
336 }
337
338 static int qlcnic_set_mac(struct net_device *netdev, void *p)
339 {
340 struct qlcnic_adapter *adapter = netdev_priv(netdev);
341 struct sockaddr *addr = p;
342
343 if (qlcnic_sriov_vf_check(adapter))
344 return -EINVAL;
345
346 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
347 return -EOPNOTSUPP;
348
349 if (!is_valid_ether_addr(addr->sa_data))
350 return -EINVAL;
351
352 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
353 return 0;
354
355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
356 netif_device_detach(netdev);
357 qlcnic_napi_disable(adapter);
358 }
359
360 qlcnic_delete_adapter_mac(adapter);
361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
363 qlcnic_set_multi(adapter->netdev);
364
365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
366 netif_device_attach(netdev);
367 qlcnic_napi_enable(adapter);
368 }
369 return 0;
370 }
371
372 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
373 struct net_device *netdev, const unsigned char *addr)
374 {
375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
376 int err = -EOPNOTSUPP;
377
378 if (!adapter->fdb_mac_learn)
379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
380
381 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
382 if (is_unicast_ether_addr(addr)) {
383 err = dev_uc_del(netdev, addr);
384 if (!err)
385 err = qlcnic_nic_del_mac(adapter, addr);
386 } else if (is_multicast_ether_addr(addr)) {
387 err = dev_mc_del(netdev, addr);
388 } else {
389 err = -EINVAL;
390 }
391 }
392 return err;
393 }
394
395 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
396 struct net_device *netdev,
397 const unsigned char *addr, u16 flags)
398 {
399 struct qlcnic_adapter *adapter = netdev_priv(netdev);
400 int err = 0;
401
402 if (!adapter->fdb_mac_learn)
403 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
404
405 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
406 pr_info("%s: FDB e-switch is not enabled\n", __func__);
407 return -EOPNOTSUPP;
408 }
409
410 if (ether_addr_equal(addr, adapter->mac_addr))
411 return err;
412
413 if (is_unicast_ether_addr(addr)) {
414 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
415 err = dev_uc_add_excl(netdev, addr);
416 else
417 err = -ENOMEM;
418 } else if (is_multicast_ether_addr(addr)) {
419 err = dev_mc_add_excl(netdev, addr);
420 } else {
421 err = -EINVAL;
422 }
423
424 return err;
425 }
426
427 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
428 struct net_device *netdev, int idx)
429 {
430 struct qlcnic_adapter *adapter = netdev_priv(netdev);
431
432 if (!adapter->fdb_mac_learn)
433 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
434
435 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
436 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
437
438 return idx;
439 }
440
441 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
442 {
443 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
444 usleep_range(10000, 11000);
445
446 if (!adapter->fw_work.work.func)
447 return;
448
449 cancel_delayed_work_sync(&adapter->fw_work);
450 }
451
452 static int qlcnic_get_phys_port_id(struct net_device *netdev,
453 struct netdev_phys_port_id *ppid)
454 {
455 struct qlcnic_adapter *adapter = netdev_priv(netdev);
456 struct qlcnic_hardware_context *ahw = adapter->ahw;
457
458 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
459 return -EOPNOTSUPP;
460
461 ppid->id_len = sizeof(ahw->phys_port_id);
462 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
463
464 return 0;
465 }
466
467 #ifdef CONFIG_QLCNIC_VXLAN
468 static void qlcnic_add_vxlan_port(struct net_device *netdev,
469 sa_family_t sa_family, __be16 port)
470 {
471 struct qlcnic_adapter *adapter = netdev_priv(netdev);
472 struct qlcnic_hardware_context *ahw = adapter->ahw;
473
474 /* Adapter supports only one VXLAN port. Use very first port
475 * for enabling offload
476 */
477 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
478 return;
479
480 ahw->vxlan_port = ntohs(port);
481 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
482 }
483
484 static void qlcnic_del_vxlan_port(struct net_device *netdev,
485 sa_family_t sa_family, __be16 port)
486 {
487 struct qlcnic_adapter *adapter = netdev_priv(netdev);
488 struct qlcnic_hardware_context *ahw = adapter->ahw;
489
490 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
491 (ahw->vxlan_port != ntohs(port)))
492 return;
493
494 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
495 }
496 #endif
497
498 static const struct net_device_ops qlcnic_netdev_ops = {
499 .ndo_open = qlcnic_open,
500 .ndo_stop = qlcnic_close,
501 .ndo_start_xmit = qlcnic_xmit_frame,
502 .ndo_get_stats = qlcnic_get_stats,
503 .ndo_validate_addr = eth_validate_addr,
504 .ndo_set_rx_mode = qlcnic_set_multi,
505 .ndo_set_mac_address = qlcnic_set_mac,
506 .ndo_change_mtu = qlcnic_change_mtu,
507 .ndo_fix_features = qlcnic_fix_features,
508 .ndo_set_features = qlcnic_set_features,
509 .ndo_tx_timeout = qlcnic_tx_timeout,
510 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
511 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
512 .ndo_fdb_add = qlcnic_fdb_add,
513 .ndo_fdb_del = qlcnic_fdb_del,
514 .ndo_fdb_dump = qlcnic_fdb_dump,
515 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
516 #ifdef CONFIG_QLCNIC_VXLAN
517 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
518 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
519 #endif
520 #ifdef CONFIG_NET_POLL_CONTROLLER
521 .ndo_poll_controller = qlcnic_poll_controller,
522 #endif
523 #ifdef CONFIG_QLCNIC_SRIOV
524 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
525 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
526 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
527 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
528 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
529 #endif
530 };
531
532 static const struct net_device_ops qlcnic_netdev_failed_ops = {
533 .ndo_open = qlcnic_open,
534 };
535
536 static struct qlcnic_nic_template qlcnic_ops = {
537 .config_bridged_mode = qlcnic_config_bridged_mode,
538 .config_led = qlcnic_82xx_config_led,
539 .start_firmware = qlcnic_82xx_start_firmware,
540 .request_reset = qlcnic_82xx_dev_request_reset,
541 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
542 .napi_add = qlcnic_82xx_napi_add,
543 .napi_del = qlcnic_82xx_napi_del,
544 .config_ipaddr = qlcnic_82xx_config_ipaddr,
545 .shutdown = qlcnic_82xx_shutdown,
546 .resume = qlcnic_82xx_resume,
547 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
548 };
549
550 struct qlcnic_nic_template qlcnic_vf_ops = {
551 .config_bridged_mode = qlcnicvf_config_bridged_mode,
552 .config_led = qlcnicvf_config_led,
553 .start_firmware = qlcnicvf_start_firmware
554 };
555
556 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
557 .read_crb = qlcnic_82xx_read_crb,
558 .write_crb = qlcnic_82xx_write_crb,
559 .read_reg = qlcnic_82xx_hw_read_wx_2M,
560 .write_reg = qlcnic_82xx_hw_write_wx_2M,
561 .get_mac_address = qlcnic_82xx_get_mac_address,
562 .setup_intr = qlcnic_82xx_setup_intr,
563 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
564 .mbx_cmd = qlcnic_82xx_issue_cmd,
565 .get_func_no = qlcnic_82xx_get_func_no,
566 .api_lock = qlcnic_82xx_api_lock,
567 .api_unlock = qlcnic_82xx_api_unlock,
568 .add_sysfs = qlcnic_82xx_add_sysfs,
569 .remove_sysfs = qlcnic_82xx_remove_sysfs,
570 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
571 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
572 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
573 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
574 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
575 .setup_link_event = qlcnic_82xx_linkevent_request,
576 .get_nic_info = qlcnic_82xx_get_nic_info,
577 .get_pci_info = qlcnic_82xx_get_pci_info,
578 .set_nic_info = qlcnic_82xx_set_nic_info,
579 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
580 .napi_enable = qlcnic_82xx_napi_enable,
581 .napi_disable = qlcnic_82xx_napi_disable,
582 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
583 .config_rss = qlcnic_82xx_config_rss,
584 .config_hw_lro = qlcnic_82xx_config_hw_lro,
585 .config_loopback = qlcnic_82xx_set_lb_mode,
586 .clear_loopback = qlcnic_82xx_clear_lb_mode,
587 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
588 .change_l2_filter = qlcnic_82xx_change_filter,
589 .get_board_info = qlcnic_82xx_get_board_info,
590 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
591 .free_mac_list = qlcnic_82xx_free_mac_list,
592 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
593 .io_error_detected = qlcnic_82xx_io_error_detected,
594 .io_slot_reset = qlcnic_82xx_io_slot_reset,
595 .io_resume = qlcnic_82xx_io_resume,
596 .get_beacon_state = qlcnic_82xx_get_beacon_state,
597 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
598 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
599 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
600 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
601 .get_saved_state = qlcnic_82xx_get_saved_state,
602 .set_saved_state = qlcnic_82xx_set_saved_state,
603 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
604 .get_cap_size = qlcnic_82xx_get_cap_size,
605 .set_sys_info = qlcnic_82xx_set_sys_info,
606 .store_cap_mask = qlcnic_82xx_store_cap_mask,
607 };
608
609 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
610 {
611 struct qlcnic_hardware_context *ahw = adapter->ahw;
612
613 if (qlcnic_82xx_check(adapter) &&
614 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
615 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
616 return 0;
617 } else {
618 return 1;
619 }
620 }
621
622 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
623 int queue_type)
624 {
625 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
626
627 if (queue_type == QLCNIC_RX_QUEUE)
628 max_rings = adapter->max_sds_rings;
629 else if (queue_type == QLCNIC_TX_QUEUE)
630 max_rings = adapter->max_tx_rings;
631
632 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
633 max_rings));
634
635 if (ring_cnt > num_rings)
636 return num_rings;
637 else
638 return ring_cnt;
639 }
640
641 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
642 {
643 /* 83xx adapter does not have max_tx_rings intialized in probe */
644 if (adapter->max_tx_rings)
645 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
646 QLCNIC_TX_QUEUE);
647 else
648 adapter->drv_tx_rings = tx_cnt;
649 }
650
651 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
652 {
653 /* 83xx adapter does not have max_sds_rings intialized in probe */
654 if (adapter->max_sds_rings)
655 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
656 QLCNIC_RX_QUEUE);
657 else
658 adapter->drv_sds_rings = rx_cnt;
659 }
660
661 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
662 {
663 struct pci_dev *pdev = adapter->pdev;
664 int num_msix = 0, err = 0, vector;
665
666 adapter->flags &= ~QLCNIC_TSS_RSS;
667
668 if (adapter->drv_tss_rings > 0)
669 num_msix += adapter->drv_tss_rings;
670 else
671 num_msix += adapter->drv_tx_rings;
672
673 if (adapter->drv_rss_rings > 0)
674 num_msix += adapter->drv_rss_rings;
675 else
676 num_msix += adapter->drv_sds_rings;
677
678 if (qlcnic_83xx_check(adapter))
679 num_msix += 1;
680
681 if (!adapter->msix_entries) {
682 adapter->msix_entries = kcalloc(num_msix,
683 sizeof(struct msix_entry),
684 GFP_KERNEL);
685 if (!adapter->msix_entries)
686 return -ENOMEM;
687 }
688
689 restore:
690 for (vector = 0; vector < num_msix; vector++)
691 adapter->msix_entries[vector].entry = vector;
692
693 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
694 if (err == 0) {
695 adapter->ahw->num_msix = num_msix;
696 if (adapter->drv_tss_rings > 0)
697 adapter->drv_tx_rings = adapter->drv_tss_rings;
698
699 if (adapter->drv_rss_rings > 0)
700 adapter->drv_sds_rings = adapter->drv_rss_rings;
701 } else {
702 netdev_info(adapter->netdev,
703 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
704 num_msix, err);
705
706 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
707
708 /* Set rings to 0 so we can restore original TSS/RSS count */
709 adapter->drv_tss_rings = 0;
710 adapter->drv_rss_rings = 0;
711
712 if (qlcnic_83xx_check(adapter))
713 num_msix += 1;
714
715 netdev_info(adapter->netdev,
716 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
717 adapter->drv_tx_rings, adapter->drv_sds_rings,
718 num_msix);
719 goto restore;
720
721 err = -EIO;
722 }
723
724 return err;
725 }
726
727 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
728 {
729 struct pci_dev *pdev = adapter->pdev;
730 int err, vector;
731
732 if (!adapter->msix_entries) {
733 adapter->msix_entries = kcalloc(num_msix,
734 sizeof(struct msix_entry),
735 GFP_KERNEL);
736 if (!adapter->msix_entries)
737 return -ENOMEM;
738 }
739
740 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
741
742 if (adapter->ahw->msix_supported) {
743 enable_msix:
744 for (vector = 0; vector < num_msix; vector++)
745 adapter->msix_entries[vector].entry = vector;
746
747 err = pci_enable_msix_range(pdev,
748 adapter->msix_entries, 1, num_msix);
749
750 if (err == num_msix) {
751 adapter->flags |= QLCNIC_MSIX_ENABLED;
752 adapter->ahw->num_msix = num_msix;
753 dev_info(&pdev->dev, "using msi-x interrupts\n");
754 return 0;
755 } else if (err > 0) {
756 pci_disable_msix(pdev);
757
758 dev_info(&pdev->dev,
759 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
760 num_msix, err);
761
762 if (qlcnic_82xx_check(adapter)) {
763 num_msix = rounddown_pow_of_two(err);
764 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
765 return -ENOSPC;
766 } else {
767 num_msix = rounddown_pow_of_two(err - 1);
768 num_msix += 1;
769 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
770 return -ENOSPC;
771 }
772
773 if (qlcnic_82xx_check(adapter) &&
774 !qlcnic_check_multi_tx(adapter)) {
775 adapter->drv_sds_rings = num_msix;
776 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
777 } else {
778 /* Distribute vectors equally */
779 adapter->drv_tx_rings = num_msix / 2;
780 adapter->drv_sds_rings = adapter->drv_tx_rings;
781 }
782
783 if (num_msix) {
784 dev_info(&pdev->dev,
785 "Trying to allocate %d MSI-X interrupt vectors\n",
786 num_msix);
787 goto enable_msix;
788 }
789 } else {
790 dev_info(&pdev->dev,
791 "Unable to allocate %d MSI-X vectors, err=%d\n",
792 num_msix, err);
793 return err;
794 }
795 }
796
797 return -EIO;
798 }
799
800 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
801 {
802 int num_msix;
803
804 num_msix = adapter->drv_sds_rings;
805
806 if (qlcnic_check_multi_tx(adapter))
807 num_msix += adapter->drv_tx_rings;
808 else
809 num_msix += QLCNIC_SINGLE_RING;
810
811 return num_msix;
812 }
813
814 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
815 {
816 int err = 0;
817 u32 offset, mask_reg;
818 const struct qlcnic_legacy_intr_set *legacy_intrp;
819 struct qlcnic_hardware_context *ahw = adapter->ahw;
820 struct pci_dev *pdev = adapter->pdev;
821
822 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
823 adapter->flags |= QLCNIC_MSI_ENABLED;
824 offset = msi_tgt_status[adapter->ahw->pci_func];
825 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
826 offset);
827 dev_info(&pdev->dev, "using msi interrupts\n");
828 adapter->msix_entries[0].vector = pdev->irq;
829 return err;
830 }
831
832 if (qlcnic_use_msi || qlcnic_use_msi_x)
833 return -EOPNOTSUPP;
834
835 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
836 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
837 offset = legacy_intrp->tgt_status_reg;
838 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
839 mask_reg = legacy_intrp->tgt_mask_reg;
840 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
841 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
842 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
843 dev_info(&pdev->dev, "using legacy interrupts\n");
844 adapter->msix_entries[0].vector = pdev->irq;
845 return err;
846 }
847
848 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
849 {
850 int num_msix, err = 0;
851
852 if (adapter->flags & QLCNIC_TSS_RSS) {
853 err = qlcnic_setup_tss_rss_intr(adapter);
854 if (err < 0)
855 return err;
856 num_msix = adapter->ahw->num_msix;
857 } else {
858 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
859
860 err = qlcnic_enable_msix(adapter, num_msix);
861 if (err == -ENOMEM)
862 return err;
863
864 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
865 qlcnic_disable_multi_tx(adapter);
866 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
867
868 err = qlcnic_enable_msi_legacy(adapter);
869 if (err)
870 return err;
871 }
872 }
873
874 return 0;
875 }
876
877 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
878 {
879 struct qlcnic_hardware_context *ahw = adapter->ahw;
880 int err, i;
881
882 if (qlcnic_check_multi_tx(adapter) &&
883 !ahw->diag_test &&
884 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
885 ahw->intr_tbl = vzalloc(ahw->num_msix *
886 sizeof(struct qlcnic_intrpt_config));
887 if (!ahw->intr_tbl)
888 return -ENOMEM;
889
890 for (i = 0; i < ahw->num_msix; i++) {
891 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
892 ahw->intr_tbl[i].id = i;
893 ahw->intr_tbl[i].src = 0;
894 }
895
896 err = qlcnic_82xx_config_intrpt(adapter, 1);
897 if (err)
898 dev_err(&adapter->pdev->dev,
899 "Failed to configure Interrupt for %d vector\n",
900 ahw->num_msix);
901 return err;
902 }
903
904 return 0;
905 }
906
907 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
908 {
909 if (adapter->flags & QLCNIC_MSIX_ENABLED)
910 pci_disable_msix(adapter->pdev);
911 if (adapter->flags & QLCNIC_MSI_ENABLED)
912 pci_disable_msi(adapter->pdev);
913
914 kfree(adapter->msix_entries);
915 adapter->msix_entries = NULL;
916
917 if (adapter->ahw->intr_tbl) {
918 vfree(adapter->ahw->intr_tbl);
919 adapter->ahw->intr_tbl = NULL;
920 }
921 }
922
923 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
924 {
925 if (ahw->pci_base0 != NULL)
926 iounmap(ahw->pci_base0);
927 }
928
929 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
930 {
931 struct qlcnic_hardware_context *ahw = adapter->ahw;
932 struct qlcnic_pci_info *pci_info;
933 int ret;
934
935 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
936 switch (ahw->port_type) {
937 case QLCNIC_GBE:
938 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
939 break;
940 case QLCNIC_XGBE:
941 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
942 break;
943 }
944 return 0;
945 }
946
947 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
948 return 0;
949
950 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
951 if (!pci_info)
952 return -ENOMEM;
953
954 ret = qlcnic_get_pci_info(adapter, pci_info);
955 kfree(pci_info);
956 return ret;
957 }
958
959 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
960 {
961 bool ret = false;
962
963 if (qlcnic_84xx_check(adapter)) {
964 ret = true;
965 } else if (qlcnic_83xx_check(adapter)) {
966 if (adapter->ahw->extra_capability[0] &
967 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
968 ret = true;
969 else
970 ret = false;
971 }
972
973 return ret;
974 }
975
976 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
977 {
978 struct qlcnic_hardware_context *ahw = adapter->ahw;
979 struct qlcnic_pci_info *pci_info;
980 int i, id = 0, ret = 0, j = 0;
981 u16 act_pci_func;
982 u8 pfn;
983
984 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
985 if (!pci_info)
986 return -ENOMEM;
987
988 ret = qlcnic_get_pci_info(adapter, pci_info);
989 if (ret)
990 goto err_pci_info;
991
992 act_pci_func = ahw->total_nic_func;
993
994 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
995 act_pci_func, GFP_KERNEL);
996 if (!adapter->npars) {
997 ret = -ENOMEM;
998 goto err_pci_info;
999 }
1000
1001 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1002 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1003 if (!adapter->eswitch) {
1004 ret = -ENOMEM;
1005 goto err_npars;
1006 }
1007
1008 for (i = 0; i < ahw->max_vnic_func; i++) {
1009 pfn = pci_info[i].id;
1010
1011 if (pfn >= ahw->max_vnic_func) {
1012 ret = QL_STATUS_INVALID_PARAM;
1013 goto err_eswitch;
1014 }
1015
1016 if (!pci_info[i].active ||
1017 (pci_info[i].type != QLCNIC_TYPE_NIC))
1018 continue;
1019
1020 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1021 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1022 &id))
1023 adapter->npars[j].eswitch_status = true;
1024 else
1025 continue;
1026 } else {
1027 adapter->npars[j].eswitch_status = true;
1028 }
1029
1030 adapter->npars[j].pci_func = pfn;
1031 adapter->npars[j].active = (u8)pci_info[i].active;
1032 adapter->npars[j].type = (u8)pci_info[i].type;
1033 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1034 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1035 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1036
1037 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1038 j++;
1039 }
1040
1041 /* Update eSwitch status for adapters without per port eSwitch
1042 * configuration capability
1043 */
1044 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1045 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1046 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1047 }
1048
1049 kfree(pci_info);
1050 return 0;
1051
1052 err_eswitch:
1053 kfree(adapter->eswitch);
1054 adapter->eswitch = NULL;
1055 err_npars:
1056 kfree(adapter->npars);
1057 adapter->npars = NULL;
1058 err_pci_info:
1059 kfree(pci_info);
1060
1061 return ret;
1062 }
1063
1064 static int
1065 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1066 {
1067 u8 id;
1068 int ret;
1069 u32 data = QLCNIC_MGMT_FUNC;
1070 struct qlcnic_hardware_context *ahw = adapter->ahw;
1071
1072 ret = qlcnic_api_lock(adapter);
1073 if (ret)
1074 goto err_lock;
1075
1076 id = ahw->pci_func;
1077 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1078 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1079 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1080 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1081 qlcnic_api_unlock(adapter);
1082 err_lock:
1083 return ret;
1084 }
1085
1086 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1087 const struct pci_device_id *ent)
1088 {
1089 u32 op_mode, priv_level;
1090
1091 /* Determine FW API version */
1092 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1093 QLCNIC_FW_API);
1094
1095 /* Find PCI function number */
1096 qlcnic_get_func_no(adapter);
1097
1098 /* Determine function privilege level */
1099 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1100 if (op_mode == QLC_DEV_DRV_DEFAULT)
1101 priv_level = QLCNIC_MGMT_FUNC;
1102 else
1103 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1104
1105 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1106 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1107 dev_info(&adapter->pdev->dev,
1108 "HAL Version: %d Non Privileged function\n",
1109 adapter->ahw->fw_hal_version);
1110 adapter->nic_ops = &qlcnic_vf_ops;
1111 } else
1112 adapter->nic_ops = &qlcnic_ops;
1113 }
1114
1115 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1116 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1117 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1118 {
1119 switch (dev_id) {
1120 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1121 *bar = QLCNIC_82XX_BAR0_LENGTH;
1122 break;
1123 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1124 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1125 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1126 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1127 *bar = QLCNIC_83XX_BAR0_LENGTH;
1128 break;
1129 default:
1130 *bar = 0;
1131 }
1132 }
1133
1134 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1135 struct qlcnic_hardware_context *ahw)
1136 {
1137 u32 offset;
1138 void __iomem *mem_ptr0 = NULL;
1139 unsigned long mem_len, pci_len0 = 0, bar0_len;
1140
1141 /* remap phys address */
1142 mem_len = pci_resource_len(pdev, 0);
1143
1144 qlcnic_get_bar_length(pdev->device, &bar0_len);
1145 if (mem_len >= bar0_len) {
1146
1147 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1148 if (mem_ptr0 == NULL) {
1149 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1150 return -EIO;
1151 }
1152 pci_len0 = mem_len;
1153 } else {
1154 return -EIO;
1155 }
1156
1157 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1158
1159 ahw->pci_base0 = mem_ptr0;
1160 ahw->pci_len0 = pci_len0;
1161 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1162 qlcnic_get_ioaddr(ahw, offset);
1163
1164 return 0;
1165 }
1166
1167 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1168 int index)
1169 {
1170 struct pci_dev *pdev = adapter->pdev;
1171 unsigned short subsystem_vendor;
1172 bool ret = true;
1173
1174 subsystem_vendor = pdev->subsystem_vendor;
1175
1176 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1177 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1178 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1179 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1180 ret = true;
1181 else
1182 ret = false;
1183 }
1184
1185 return ret;
1186 }
1187
1188 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1189 {
1190 struct pci_dev *pdev = adapter->pdev;
1191 int i, found = 0;
1192
1193 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1194 if (qlcnic_boards[i].vendor == pdev->vendor &&
1195 qlcnic_boards[i].device == pdev->device &&
1196 qlcnic_validate_subsystem_id(adapter, i)) {
1197 found = 1;
1198 break;
1199 }
1200 }
1201
1202 if (!found)
1203 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1204 else
1205 sprintf(name, "%pM: %s" , adapter->mac_addr,
1206 qlcnic_boards[i].short_name);
1207 }
1208
1209 static void
1210 qlcnic_check_options(struct qlcnic_adapter *adapter)
1211 {
1212 int err;
1213 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1214 struct pci_dev *pdev = adapter->pdev;
1215 struct qlcnic_hardware_context *ahw = adapter->ahw;
1216 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1217
1218 prev_fw_version = adapter->fw_version;
1219
1220 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1221 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1222 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1223
1224 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1225
1226 err = qlcnic_get_board_info(adapter);
1227 if (err) {
1228 dev_err(&pdev->dev, "Error getting board config info.\n");
1229 return;
1230 }
1231 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1232 if (fw_dump->tmpl_hdr == NULL ||
1233 adapter->fw_version > prev_fw_version) {
1234 if (fw_dump->tmpl_hdr)
1235 vfree(fw_dump->tmpl_hdr);
1236 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1237 dev_info(&pdev->dev,
1238 "Supports FW dump capability\n");
1239 }
1240 }
1241
1242 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1243 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1244
1245 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1246 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1247 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1248 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1249 } else {
1250 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1251 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1252 }
1253
1254 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1255 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1256
1257 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1258 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1259 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1260 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1261 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1262 }
1263
1264 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1265
1266 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1267
1268 adapter->max_rds_rings = MAX_RDS_RINGS;
1269 }
1270
1271 static int
1272 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1273 {
1274 struct qlcnic_info nic_info;
1275 int err = 0;
1276
1277 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1278 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1279 if (err)
1280 return err;
1281
1282 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1283 adapter->ahw->switch_mode = nic_info.switch_mode;
1284 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1285 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1286 adapter->ahw->capabilities = nic_info.capabilities;
1287
1288 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1289 u32 temp;
1290 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1291 if (err == -EIO)
1292 return err;
1293 adapter->ahw->extra_capability[0] = temp;
1294 } else {
1295 adapter->ahw->extra_capability[0] = 0;
1296 }
1297
1298 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1299 adapter->ahw->max_mtu = nic_info.max_mtu;
1300
1301 if (adapter->ahw->capabilities & BIT_6) {
1302 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1303 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1304 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1305 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1306
1307 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1308 } else {
1309 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1310 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1311 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1312 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1313 }
1314
1315 return err;
1316 }
1317
1318 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1319 struct qlcnic_esw_func_cfg *esw_cfg)
1320 {
1321 if (esw_cfg->discard_tagged)
1322 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1323 else
1324 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1325
1326 if (esw_cfg->vlan_id) {
1327 adapter->rx_pvid = esw_cfg->vlan_id;
1328 adapter->tx_pvid = esw_cfg->vlan_id;
1329 } else {
1330 adapter->rx_pvid = 0;
1331 adapter->tx_pvid = 0;
1332 }
1333 }
1334
1335 static int
1336 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1337 {
1338 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1339 int err;
1340
1341 if (qlcnic_sriov_vf_check(adapter)) {
1342 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1343 if (err) {
1344 netdev_err(netdev,
1345 "Cannot add VLAN filter for VLAN id %d, err=%d",
1346 vid, err);
1347 return err;
1348 }
1349 }
1350
1351 set_bit(vid, adapter->vlans);
1352 return 0;
1353 }
1354
1355 static int
1356 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1357 {
1358 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1359 int err;
1360
1361 if (qlcnic_sriov_vf_check(adapter)) {
1362 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1363 if (err) {
1364 netdev_err(netdev,
1365 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1366 vid, err);
1367 return err;
1368 }
1369 }
1370
1371 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1372 clear_bit(vid, adapter->vlans);
1373 return 0;
1374 }
1375
1376 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1377 struct qlcnic_esw_func_cfg *esw_cfg)
1378 {
1379 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1380 QLCNIC_PROMISC_DISABLED);
1381
1382 if (esw_cfg->mac_anti_spoof)
1383 adapter->flags |= QLCNIC_MACSPOOF;
1384
1385 if (!esw_cfg->mac_override)
1386 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1387
1388 if (!esw_cfg->promisc_mode)
1389 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1390 }
1391
1392 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1393 {
1394 struct qlcnic_esw_func_cfg esw_cfg;
1395
1396 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1397 return 0;
1398
1399 esw_cfg.pci_func = adapter->ahw->pci_func;
1400 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1401 return -EIO;
1402 qlcnic_set_vlan_config(adapter, &esw_cfg);
1403 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1404 qlcnic_set_netdev_features(adapter, &esw_cfg);
1405
1406 return 0;
1407 }
1408
1409 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1410 struct qlcnic_esw_func_cfg *esw_cfg)
1411 {
1412 struct net_device *netdev = adapter->netdev;
1413
1414 if (qlcnic_83xx_check(adapter))
1415 return;
1416
1417 adapter->offload_flags = esw_cfg->offload_flags;
1418 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1419 netdev_update_features(netdev);
1420 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1421 }
1422
1423 static int
1424 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1425 {
1426 u32 op_mode, priv_level;
1427 int err = 0;
1428
1429 err = qlcnic_initialize_nic(adapter);
1430 if (err)
1431 return err;
1432
1433 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1434 return 0;
1435
1436 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1437 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1438
1439 if (op_mode == QLC_DEV_DRV_DEFAULT)
1440 priv_level = QLCNIC_MGMT_FUNC;
1441 else
1442 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1443
1444 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1445 if (priv_level == QLCNIC_MGMT_FUNC) {
1446 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1447 err = qlcnic_init_pci_info(adapter);
1448 if (err)
1449 return err;
1450 /* Set privilege level for other functions */
1451 qlcnic_set_function_modes(adapter);
1452 dev_info(&adapter->pdev->dev,
1453 "HAL Version: %d, Management function\n",
1454 adapter->ahw->fw_hal_version);
1455 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1456 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1457 dev_info(&adapter->pdev->dev,
1458 "HAL Version: %d, Privileged function\n",
1459 adapter->ahw->fw_hal_version);
1460 }
1461 } else {
1462 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1463 }
1464
1465 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1466
1467 return err;
1468 }
1469
1470 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1471 {
1472 struct qlcnic_esw_func_cfg esw_cfg;
1473 struct qlcnic_npar_info *npar;
1474 u8 i;
1475
1476 if (adapter->need_fw_reset)
1477 return 0;
1478
1479 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1480 if (!adapter->npars[i].eswitch_status)
1481 continue;
1482
1483 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1484 esw_cfg.pci_func = adapter->npars[i].pci_func;
1485 esw_cfg.mac_override = BIT_0;
1486 esw_cfg.promisc_mode = BIT_0;
1487 if (qlcnic_82xx_check(adapter)) {
1488 esw_cfg.offload_flags = BIT_0;
1489 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1490 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1491 }
1492 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1493 return -EIO;
1494 npar = &adapter->npars[i];
1495 npar->pvid = esw_cfg.vlan_id;
1496 npar->mac_override = esw_cfg.mac_override;
1497 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1498 npar->discard_tagged = esw_cfg.discard_tagged;
1499 npar->promisc_mode = esw_cfg.promisc_mode;
1500 npar->offload_flags = esw_cfg.offload_flags;
1501 }
1502
1503 return 0;
1504 }
1505
1506
1507 static int
1508 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1509 struct qlcnic_npar_info *npar, int pci_func)
1510 {
1511 struct qlcnic_esw_func_cfg esw_cfg;
1512 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1513 esw_cfg.pci_func = pci_func;
1514 esw_cfg.vlan_id = npar->pvid;
1515 esw_cfg.mac_override = npar->mac_override;
1516 esw_cfg.discard_tagged = npar->discard_tagged;
1517 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1518 esw_cfg.offload_flags = npar->offload_flags;
1519 esw_cfg.promisc_mode = npar->promisc_mode;
1520 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1521 return -EIO;
1522
1523 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1524 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1525 return -EIO;
1526
1527 return 0;
1528 }
1529
1530 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1531 {
1532 int i, err;
1533 struct qlcnic_npar_info *npar;
1534 struct qlcnic_info nic_info;
1535 u8 pci_func;
1536
1537 if (qlcnic_82xx_check(adapter))
1538 if (!adapter->need_fw_reset)
1539 return 0;
1540
1541 /* Set the NPAR config data after FW reset */
1542 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1543 npar = &adapter->npars[i];
1544 pci_func = npar->pci_func;
1545 if (!adapter->npars[i].eswitch_status)
1546 continue;
1547
1548 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1549 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1550 if (err)
1551 return err;
1552 nic_info.min_tx_bw = npar->min_bw;
1553 nic_info.max_tx_bw = npar->max_bw;
1554 err = qlcnic_set_nic_info(adapter, &nic_info);
1555 if (err)
1556 return err;
1557
1558 if (npar->enable_pm) {
1559 err = qlcnic_config_port_mirroring(adapter,
1560 npar->dest_npar, 1,
1561 pci_func);
1562 if (err)
1563 return err;
1564 }
1565 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1566 if (err)
1567 return err;
1568 }
1569 return 0;
1570 }
1571
1572 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1573 {
1574 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1575 u32 npar_state;
1576
1577 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1578 return 0;
1579
1580 npar_state = QLC_SHARED_REG_RD32(adapter,
1581 QLCNIC_CRB_DEV_NPAR_STATE);
1582 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1583 msleep(1000);
1584 npar_state = QLC_SHARED_REG_RD32(adapter,
1585 QLCNIC_CRB_DEV_NPAR_STATE);
1586 }
1587 if (!npar_opt_timeo) {
1588 dev_err(&adapter->pdev->dev,
1589 "Waiting for NPAR state to operational timeout\n");
1590 return -EIO;
1591 }
1592 return 0;
1593 }
1594
1595 static int
1596 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1597 {
1598 int err;
1599
1600 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1601 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1602 return 0;
1603
1604 err = qlcnic_set_default_offload_settings(adapter);
1605 if (err)
1606 return err;
1607
1608 err = qlcnic_reset_npar_config(adapter);
1609 if (err)
1610 return err;
1611
1612 qlcnic_dev_set_npar_ready(adapter);
1613
1614 return err;
1615 }
1616
1617 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1618 {
1619 int err;
1620
1621 err = qlcnic_can_start_firmware(adapter);
1622 if (err < 0)
1623 return err;
1624 else if (!err)
1625 goto check_fw_status;
1626
1627 if (qlcnic_load_fw_file)
1628 qlcnic_request_firmware(adapter);
1629 else {
1630 err = qlcnic_check_flash_fw_ver(adapter);
1631 if (err)
1632 goto err_out;
1633
1634 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1635 }
1636
1637 err = qlcnic_need_fw_reset(adapter);
1638 if (err == 0)
1639 goto check_fw_status;
1640
1641 err = qlcnic_pinit_from_rom(adapter);
1642 if (err)
1643 goto err_out;
1644
1645 err = qlcnic_load_firmware(adapter);
1646 if (err)
1647 goto err_out;
1648
1649 qlcnic_release_firmware(adapter);
1650 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1651
1652 check_fw_status:
1653 err = qlcnic_check_fw_status(adapter);
1654 if (err)
1655 goto err_out;
1656
1657 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1658 qlcnic_idc_debug_info(adapter, 1);
1659 err = qlcnic_check_eswitch_mode(adapter);
1660 if (err) {
1661 dev_err(&adapter->pdev->dev,
1662 "Memory allocation failed for eswitch\n");
1663 goto err_out;
1664 }
1665 err = qlcnic_set_mgmt_operations(adapter);
1666 if (err)
1667 goto err_out;
1668
1669 qlcnic_check_options(adapter);
1670 adapter->need_fw_reset = 0;
1671
1672 qlcnic_release_firmware(adapter);
1673 return 0;
1674
1675 err_out:
1676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1677 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1678
1679 qlcnic_release_firmware(adapter);
1680 return err;
1681 }
1682
1683 static int
1684 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1685 {
1686 irq_handler_t handler;
1687 struct qlcnic_host_sds_ring *sds_ring;
1688 struct qlcnic_host_tx_ring *tx_ring;
1689 int err, ring, num_sds_rings;
1690
1691 unsigned long flags = 0;
1692 struct net_device *netdev = adapter->netdev;
1693 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1694
1695 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1696 if (qlcnic_82xx_check(adapter))
1697 handler = qlcnic_tmp_intr;
1698 else
1699 handler = qlcnic_83xx_tmp_intr;
1700 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1701 flags |= IRQF_SHARED;
1702
1703 } else {
1704 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1705 handler = qlcnic_msix_intr;
1706 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1707 handler = qlcnic_msi_intr;
1708 else {
1709 flags |= IRQF_SHARED;
1710 if (qlcnic_82xx_check(adapter))
1711 handler = qlcnic_intr;
1712 else
1713 handler = qlcnic_83xx_intr;
1714 }
1715 }
1716 adapter->irq = netdev->irq;
1717
1718 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1719 if (qlcnic_82xx_check(adapter) ||
1720 (qlcnic_83xx_check(adapter) &&
1721 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1722 num_sds_rings = adapter->drv_sds_rings;
1723 for (ring = 0; ring < num_sds_rings; ring++) {
1724 sds_ring = &recv_ctx->sds_rings[ring];
1725 if (qlcnic_82xx_check(adapter) &&
1726 !qlcnic_check_multi_tx(adapter) &&
1727 (ring == (num_sds_rings - 1))) {
1728 if (!(adapter->flags &
1729 QLCNIC_MSIX_ENABLED))
1730 snprintf(sds_ring->name,
1731 sizeof(sds_ring->name),
1732 "qlcnic");
1733 else
1734 snprintf(sds_ring->name,
1735 sizeof(sds_ring->name),
1736 "%s-tx-0-rx-%d",
1737 netdev->name, ring);
1738 } else {
1739 snprintf(sds_ring->name,
1740 sizeof(sds_ring->name),
1741 "%s-rx-%d",
1742 netdev->name, ring);
1743 }
1744 err = request_irq(sds_ring->irq, handler, flags,
1745 sds_ring->name, sds_ring);
1746 if (err)
1747 return err;
1748 }
1749 }
1750 if ((qlcnic_82xx_check(adapter) &&
1751 qlcnic_check_multi_tx(adapter)) ||
1752 (qlcnic_83xx_check(adapter) &&
1753 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1754 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1755 handler = qlcnic_msix_tx_intr;
1756 for (ring = 0; ring < adapter->drv_tx_rings;
1757 ring++) {
1758 tx_ring = &adapter->tx_ring[ring];
1759 snprintf(tx_ring->name, sizeof(tx_ring->name),
1760 "%s-tx-%d", netdev->name, ring);
1761 err = request_irq(tx_ring->irq, handler, flags,
1762 tx_ring->name, tx_ring);
1763 if (err)
1764 return err;
1765 }
1766 }
1767 }
1768 return 0;
1769 }
1770
1771 static void
1772 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1773 {
1774 int ring;
1775 struct qlcnic_host_sds_ring *sds_ring;
1776 struct qlcnic_host_tx_ring *tx_ring;
1777
1778 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1779
1780 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1781 if (qlcnic_82xx_check(adapter) ||
1782 (qlcnic_83xx_check(adapter) &&
1783 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1784 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1785 sds_ring = &recv_ctx->sds_rings[ring];
1786 free_irq(sds_ring->irq, sds_ring);
1787 }
1788 }
1789 if ((qlcnic_83xx_check(adapter) &&
1790 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1791 (qlcnic_82xx_check(adapter) &&
1792 qlcnic_check_multi_tx(adapter))) {
1793 for (ring = 0; ring < adapter->drv_tx_rings;
1794 ring++) {
1795 tx_ring = &adapter->tx_ring[ring];
1796 if (tx_ring->irq)
1797 free_irq(tx_ring->irq, tx_ring);
1798 }
1799 }
1800 }
1801 }
1802
1803 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1804 {
1805 u32 capab = 0;
1806
1807 if (qlcnic_82xx_check(adapter)) {
1808 if (adapter->ahw->extra_capability[0] &
1809 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1810 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1811 } else {
1812 capab = adapter->ahw->capabilities;
1813 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1814 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1815 }
1816 }
1817
1818 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1819 {
1820 struct qlcnic_hardware_context *ahw = adapter->ahw;
1821 int err;
1822
1823 /* Initialize interrupt coalesce parameters */
1824 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1825
1826 if (qlcnic_83xx_check(adapter)) {
1827 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1828 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1829 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1830 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1831 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1832
1833 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1834 } else {
1835 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1836 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1837 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1838
1839 err = qlcnic_82xx_set_rx_coalesce(adapter);
1840 }
1841
1842 return err;
1843 }
1844
1845 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1846 {
1847 int ring;
1848 struct qlcnic_host_rds_ring *rds_ring;
1849
1850 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1851 return -EIO;
1852
1853 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1854 return 0;
1855
1856 if (qlcnic_set_eswitch_port_config(adapter))
1857 return -EIO;
1858
1859 qlcnic_get_lro_mss_capability(adapter);
1860
1861 if (qlcnic_fw_create_ctx(adapter))
1862 return -EIO;
1863
1864 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1865 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1866 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1867 }
1868
1869 qlcnic_set_multi(netdev);
1870 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1871
1872 adapter->ahw->linkup = 0;
1873
1874 if (adapter->drv_sds_rings > 1)
1875 qlcnic_config_rss(adapter, 1);
1876
1877 qlcnic_config_def_intr_coalesce(adapter);
1878
1879 if (netdev->features & NETIF_F_LRO)
1880 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1881
1882 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1883 qlcnic_napi_enable(adapter);
1884
1885 qlcnic_linkevent_request(adapter, 1);
1886
1887 adapter->ahw->reset_context = 0;
1888 netif_tx_start_all_queues(netdev);
1889 return 0;
1890 }
1891
1892 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1893 {
1894 int err = 0;
1895
1896 rtnl_lock();
1897 if (netif_running(netdev))
1898 err = __qlcnic_up(adapter, netdev);
1899 rtnl_unlock();
1900
1901 return err;
1902 }
1903
1904 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1905 {
1906 int ring;
1907
1908 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1909 return;
1910
1911 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1912 return;
1913
1914 if (qlcnic_sriov_vf_check(adapter))
1915 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1916 smp_mb();
1917 netif_carrier_off(netdev);
1918 adapter->ahw->linkup = 0;
1919 netif_tx_disable(netdev);
1920
1921 qlcnic_free_mac_list(adapter);
1922
1923 if (adapter->fhash.fnum)
1924 qlcnic_delete_lb_filters(adapter);
1925
1926 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1927
1928 qlcnic_napi_disable(adapter);
1929
1930 qlcnic_fw_destroy_ctx(adapter);
1931 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1932
1933 qlcnic_reset_rx_buffers_list(adapter);
1934
1935 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1936 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1937 }
1938
1939 /* Usage: During suspend and firmware recovery module */
1940
1941 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1942 {
1943 rtnl_lock();
1944 if (netif_running(netdev))
1945 __qlcnic_down(adapter, netdev);
1946 rtnl_unlock();
1947
1948 }
1949
1950 int
1951 qlcnic_attach(struct qlcnic_adapter *adapter)
1952 {
1953 struct net_device *netdev = adapter->netdev;
1954 struct pci_dev *pdev = adapter->pdev;
1955 int err;
1956
1957 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1958 return 0;
1959
1960 err = qlcnic_napi_add(adapter, netdev);
1961 if (err)
1962 return err;
1963
1964 err = qlcnic_alloc_sw_resources(adapter);
1965 if (err) {
1966 dev_err(&pdev->dev, "Error in setting sw resources\n");
1967 goto err_out_napi_del;
1968 }
1969
1970 err = qlcnic_alloc_hw_resources(adapter);
1971 if (err) {
1972 dev_err(&pdev->dev, "Error in setting hw resources\n");
1973 goto err_out_free_sw;
1974 }
1975
1976 err = qlcnic_request_irq(adapter);
1977 if (err) {
1978 dev_err(&pdev->dev, "failed to setup interrupt\n");
1979 goto err_out_free_hw;
1980 }
1981
1982 qlcnic_create_sysfs_entries(adapter);
1983
1984 #ifdef CONFIG_QLCNIC_VXLAN
1985 if (qlcnic_encap_rx_offload(adapter))
1986 vxlan_get_rx_port(netdev);
1987 #endif
1988
1989 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1990 return 0;
1991
1992 err_out_free_hw:
1993 qlcnic_free_hw_resources(adapter);
1994 err_out_free_sw:
1995 qlcnic_free_sw_resources(adapter);
1996 err_out_napi_del:
1997 qlcnic_napi_del(adapter);
1998 return err;
1999 }
2000
2001 void qlcnic_detach(struct qlcnic_adapter *adapter)
2002 {
2003 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2004 return;
2005
2006 qlcnic_remove_sysfs_entries(adapter);
2007
2008 qlcnic_free_hw_resources(adapter);
2009 qlcnic_release_rx_buffers(adapter);
2010 qlcnic_free_irq(adapter);
2011 qlcnic_napi_del(adapter);
2012 qlcnic_free_sw_resources(adapter);
2013
2014 adapter->is_up = 0;
2015 }
2016
2017 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2018 {
2019 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2020 struct qlcnic_host_sds_ring *sds_ring;
2021 int drv_tx_rings = adapter->drv_tx_rings;
2022 int ring;
2023
2024 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2025 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2026 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2027 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2028 qlcnic_disable_sds_intr(adapter, sds_ring);
2029 }
2030 }
2031
2032 qlcnic_fw_destroy_ctx(adapter);
2033
2034 qlcnic_detach(adapter);
2035
2036 adapter->ahw->diag_test = 0;
2037 adapter->drv_sds_rings = drv_sds_rings;
2038 adapter->drv_tx_rings = drv_tx_rings;
2039
2040 if (qlcnic_attach(adapter))
2041 goto out;
2042
2043 if (netif_running(netdev))
2044 __qlcnic_up(adapter, netdev);
2045 out:
2046 netif_device_attach(netdev);
2047 }
2048
2049 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2050 {
2051 int err = 0;
2052
2053 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2054 GFP_KERNEL);
2055 if (!adapter->recv_ctx) {
2056 err = -ENOMEM;
2057 goto err_out;
2058 }
2059
2060 /* clear stats */
2061 memset(&adapter->stats, 0, sizeof(adapter->stats));
2062 err_out:
2063 return err;
2064 }
2065
2066 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2067 {
2068 kfree(adapter->recv_ctx);
2069 adapter->recv_ctx = NULL;
2070
2071 if (adapter->ahw->fw_dump.tmpl_hdr) {
2072 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2073 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2074 }
2075
2076 kfree(adapter->ahw->reset.buff);
2077 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2078 }
2079
2080 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2081 {
2082 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2083 struct qlcnic_host_sds_ring *sds_ring;
2084 struct qlcnic_host_rds_ring *rds_ring;
2085 int ring;
2086 int ret;
2087
2088 netif_device_detach(netdev);
2089
2090 if (netif_running(netdev))
2091 __qlcnic_down(adapter, netdev);
2092
2093 qlcnic_detach(adapter);
2094
2095 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2096 adapter->ahw->diag_test = test;
2097 adapter->ahw->linkup = 0;
2098
2099 ret = qlcnic_attach(adapter);
2100 if (ret) {
2101 netif_device_attach(netdev);
2102 return ret;
2103 }
2104
2105 ret = qlcnic_fw_create_ctx(adapter);
2106 if (ret) {
2107 qlcnic_detach(adapter);
2108 netif_device_attach(netdev);
2109 return ret;
2110 }
2111
2112 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2113 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2114 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2115 }
2116
2117 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2118 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2119 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2120 qlcnic_enable_sds_intr(adapter, sds_ring);
2121 }
2122 }
2123
2124 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2125 adapter->ahw->loopback_state = 0;
2126 qlcnic_linkevent_request(adapter, 1);
2127 }
2128
2129 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2130
2131 return 0;
2132 }
2133
2134 /* Reset context in hardware only */
2135 static int
2136 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2137 {
2138 struct net_device *netdev = adapter->netdev;
2139
2140 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2141 return -EBUSY;
2142
2143 netif_device_detach(netdev);
2144
2145 qlcnic_down(adapter, netdev);
2146
2147 qlcnic_up(adapter, netdev);
2148
2149 netif_device_attach(netdev);
2150
2151 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2152 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2153 return 0;
2154 }
2155
2156 int
2157 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2158 {
2159 int err = 0;
2160 struct net_device *netdev = adapter->netdev;
2161
2162 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2163 return -EBUSY;
2164
2165 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2166
2167 netif_device_detach(netdev);
2168
2169 if (netif_running(netdev))
2170 __qlcnic_down(adapter, netdev);
2171
2172 qlcnic_detach(adapter);
2173
2174 if (netif_running(netdev)) {
2175 err = qlcnic_attach(adapter);
2176 if (!err) {
2177 __qlcnic_up(adapter, netdev);
2178 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2179 }
2180 }
2181
2182 netif_device_attach(netdev);
2183 }
2184
2185 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2186 return err;
2187 }
2188
2189 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2190 {
2191 struct qlcnic_hardware_context *ahw = adapter->ahw;
2192 u16 act_pci_fn = ahw->total_nic_func;
2193 u16 count;
2194
2195 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2196 if (act_pci_fn <= 2)
2197 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2198 act_pci_fn;
2199 else
2200 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2201 act_pci_fn;
2202 ahw->max_uc_count = count;
2203 }
2204
2205 int
2206 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2207 int pci_using_dac)
2208 {
2209 int err;
2210 struct pci_dev *pdev = adapter->pdev;
2211
2212 adapter->rx_csum = 1;
2213 adapter->ahw->mc_enabled = 0;
2214 qlcnic_set_mac_filter_count(adapter);
2215
2216 netdev->netdev_ops = &qlcnic_netdev_ops;
2217 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2218
2219 qlcnic_change_mtu(netdev, netdev->mtu);
2220
2221 if (qlcnic_sriov_vf_check(adapter))
2222 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2223 else
2224 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2225
2226 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2227 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2228 NETIF_F_HW_VLAN_CTAG_RX);
2229 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2230 NETIF_F_IPV6_CSUM);
2231
2232 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2233 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2234 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2235 }
2236
2237 if (pci_using_dac) {
2238 netdev->features |= NETIF_F_HIGHDMA;
2239 netdev->vlan_features |= NETIF_F_HIGHDMA;
2240 }
2241
2242 if (qlcnic_vlan_tx_check(adapter))
2243 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2244
2245 if (qlcnic_sriov_vf_check(adapter))
2246 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2247
2248 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2249 netdev->features |= NETIF_F_LRO;
2250
2251 if (qlcnic_encap_tx_offload(adapter)) {
2252 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2253
2254 /* encapsulation Tx offload supported by Adapter */
2255 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2256 NETIF_F_GSO_UDP_TUNNEL |
2257 NETIF_F_TSO |
2258 NETIF_F_TSO6;
2259 }
2260
2261 if (qlcnic_encap_rx_offload(adapter))
2262 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2263
2264 netdev->hw_features = netdev->features;
2265 netdev->priv_flags |= IFF_UNICAST_FLT;
2266 netdev->irq = adapter->msix_entries[0].vector;
2267
2268 err = qlcnic_set_real_num_queues(adapter, netdev);
2269 if (err)
2270 return err;
2271
2272 err = register_netdev(netdev);
2273 if (err) {
2274 dev_err(&pdev->dev, "failed to register net device\n");
2275 return err;
2276 }
2277
2278 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2279
2280 return 0;
2281 }
2282
2283 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2284 {
2285 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2286 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2287 *pci_using_dac = 1;
2288 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2289 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2290 *pci_using_dac = 0;
2291 else {
2292 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2293 return -EIO;
2294 }
2295
2296 return 0;
2297 }
2298
2299 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2300 {
2301 int ring;
2302 struct qlcnic_host_tx_ring *tx_ring;
2303
2304 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2305 tx_ring = &adapter->tx_ring[ring];
2306 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2307 vfree(tx_ring->cmd_buf_arr);
2308 tx_ring->cmd_buf_arr = NULL;
2309 }
2310 }
2311 if (adapter->tx_ring != NULL)
2312 kfree(adapter->tx_ring);
2313 }
2314
2315 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2316 struct net_device *netdev)
2317 {
2318 int ring, vector, index;
2319 struct qlcnic_host_tx_ring *tx_ring;
2320 struct qlcnic_cmd_buffer *cmd_buf_arr;
2321
2322 tx_ring = kcalloc(adapter->drv_tx_rings,
2323 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2324 if (tx_ring == NULL)
2325 return -ENOMEM;
2326
2327 adapter->tx_ring = tx_ring;
2328
2329 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2330 tx_ring = &adapter->tx_ring[ring];
2331 tx_ring->num_desc = adapter->num_txd;
2332 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2333 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2334 if (cmd_buf_arr == NULL) {
2335 qlcnic_free_tx_rings(adapter);
2336 return -ENOMEM;
2337 }
2338 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2339 tx_ring->cmd_buf_arr = cmd_buf_arr;
2340 spin_lock_init(&tx_ring->tx_clean_lock);
2341 }
2342
2343 if (qlcnic_83xx_check(adapter) ||
2344 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2345 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2346 tx_ring = &adapter->tx_ring[ring];
2347 tx_ring->adapter = adapter;
2348 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2349 index = adapter->drv_sds_rings + ring;
2350 vector = adapter->msix_entries[index].vector;
2351 tx_ring->irq = vector;
2352 }
2353 }
2354 }
2355
2356 return 0;
2357 }
2358
2359 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2360 {
2361 struct qlcnic_hardware_context *ahw = adapter->ahw;
2362 u32 fw_cmd = 0;
2363
2364 if (qlcnic_82xx_check(adapter))
2365 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2366 else if (qlcnic_83xx_check(adapter))
2367 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2368
2369 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2370 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2371 }
2372
2373 static int
2374 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2375 {
2376 struct net_device *netdev = NULL;
2377 struct qlcnic_adapter *adapter = NULL;
2378 struct qlcnic_hardware_context *ahw;
2379 int err, pci_using_dac = -1;
2380 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2381
2382 if (pdev->is_virtfn)
2383 return -ENODEV;
2384
2385 err = pci_enable_device(pdev);
2386 if (err)
2387 return err;
2388
2389 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2390 err = -ENODEV;
2391 goto err_out_disable_pdev;
2392 }
2393
2394 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2395 if (err)
2396 goto err_out_disable_pdev;
2397
2398 err = pci_request_regions(pdev, qlcnic_driver_name);
2399 if (err)
2400 goto err_out_disable_pdev;
2401
2402 pci_set_master(pdev);
2403 pci_enable_pcie_error_reporting(pdev);
2404
2405 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2406 if (!ahw) {
2407 err = -ENOMEM;
2408 goto err_out_free_res;
2409 }
2410
2411 switch (ent->device) {
2412 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2413 ahw->hw_ops = &qlcnic_hw_ops;
2414 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2415 break;
2416 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2417 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2418 qlcnic_83xx_register_map(ahw);
2419 break;
2420 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2421 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2422 qlcnic_sriov_vf_register_map(ahw);
2423 break;
2424 default:
2425 goto err_out_free_hw_res;
2426 }
2427
2428 err = qlcnic_setup_pci_map(pdev, ahw);
2429 if (err)
2430 goto err_out_free_hw_res;
2431
2432 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2433 QLCNIC_MAX_TX_RINGS);
2434 if (!netdev) {
2435 err = -ENOMEM;
2436 goto err_out_iounmap;
2437 }
2438
2439 SET_NETDEV_DEV(netdev, &pdev->dev);
2440
2441 adapter = netdev_priv(netdev);
2442 adapter->netdev = netdev;
2443 adapter->pdev = pdev;
2444 adapter->ahw = ahw;
2445
2446 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2447 if (adapter->qlcnic_wq == NULL) {
2448 err = -ENOMEM;
2449 dev_err(&pdev->dev, "Failed to create workqueue\n");
2450 goto err_out_free_netdev;
2451 }
2452
2453 err = qlcnic_alloc_adapter_resources(adapter);
2454 if (err)
2455 goto err_out_free_wq;
2456
2457 adapter->dev_rst_time = jiffies;
2458 ahw->revision_id = pdev->revision;
2459 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2460 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2461 adapter->fdb_mac_learn = true;
2462 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2463 adapter->drv_mac_learn = true;
2464
2465 rwlock_init(&adapter->ahw->crb_lock);
2466 mutex_init(&adapter->ahw->mem_lock);
2467
2468 INIT_LIST_HEAD(&adapter->mac_list);
2469
2470 qlcnic_register_dcb(adapter);
2471
2472 if (qlcnic_82xx_check(adapter)) {
2473 qlcnic_check_vf(adapter, ent);
2474 adapter->portnum = adapter->ahw->pci_func;
2475 err = qlcnic_start_firmware(adapter);
2476 if (err) {
2477 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2478 "\t\tIf reboot doesn't help, try flashing the card\n");
2479 goto err_out_maintenance_mode;
2480 }
2481
2482 /* compute and set default and max tx/sds rings */
2483 if (adapter->ahw->msix_supported) {
2484 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2485 qlcnic_set_tx_ring_count(adapter,
2486 QLCNIC_SINGLE_RING);
2487 else
2488 qlcnic_set_tx_ring_count(adapter,
2489 QLCNIC_DEF_TX_RINGS);
2490 qlcnic_set_sds_ring_count(adapter,
2491 QLCNIC_DEF_SDS_RINGS);
2492 } else {
2493 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2494 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2495 }
2496
2497 err = qlcnic_setup_idc_param(adapter);
2498 if (err)
2499 goto err_out_free_hw;
2500
2501 adapter->flags |= QLCNIC_NEED_FLR;
2502
2503 } else if (qlcnic_83xx_check(adapter)) {
2504 qlcnic_83xx_check_vf(adapter, ent);
2505 adapter->portnum = adapter->ahw->pci_func;
2506 err = qlcnic_83xx_init(adapter, pci_using_dac);
2507 if (err) {
2508 switch (err) {
2509 case -ENOTRECOVERABLE:
2510 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2511 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2512 goto err_out_free_hw;
2513 case -ENOMEM:
2514 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2515 goto err_out_free_hw;
2516 default:
2517 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2518 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2519 goto err_out_maintenance_mode;
2520 }
2521 }
2522
2523 if (qlcnic_sriov_vf_check(adapter))
2524 return 0;
2525 } else {
2526 dev_err(&pdev->dev,
2527 "%s: failed. Please Reboot\n", __func__);
2528 goto err_out_free_hw;
2529 }
2530
2531 if (qlcnic_read_mac_addr(adapter))
2532 dev_warn(&pdev->dev, "failed to read mac addr\n");
2533
2534 qlcnic_read_phys_port_id(adapter);
2535
2536 if (adapter->portnum == 0) {
2537 qlcnic_get_board_name(adapter, board_name);
2538
2539 pr_info("%s: %s Board Chip rev 0x%x\n",
2540 module_name(THIS_MODULE),
2541 board_name, adapter->ahw->revision_id);
2542 }
2543
2544 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2545 !!qlcnic_use_msi)
2546 dev_warn(&pdev->dev,
2547 "Device does not support MSI interrupts\n");
2548
2549 if (qlcnic_82xx_check(adapter)) {
2550 qlcnic_dcb_enable(adapter->dcb);
2551 qlcnic_dcb_get_info(adapter->dcb);
2552 err = qlcnic_setup_intr(adapter);
2553
2554 if (err) {
2555 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2556 goto err_out_disable_msi;
2557 }
2558 }
2559
2560 err = qlcnic_get_act_pci_func(adapter);
2561 if (err)
2562 goto err_out_disable_mbx_intr;
2563
2564 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2565 if (err)
2566 goto err_out_disable_mbx_intr;
2567
2568 if (adapter->portnum == 0)
2569 qlcnic_set_drv_version(adapter);
2570
2571 pci_set_drvdata(pdev, adapter);
2572
2573 if (qlcnic_82xx_check(adapter))
2574 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2575 FW_POLL_DELAY);
2576
2577 switch (adapter->ahw->port_type) {
2578 case QLCNIC_GBE:
2579 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2580 adapter->netdev->name);
2581 break;
2582 case QLCNIC_XGBE:
2583 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2584 adapter->netdev->name);
2585 break;
2586 }
2587
2588 if (adapter->drv_mac_learn)
2589 qlcnic_alloc_lb_filters_mem(adapter);
2590
2591 qlcnic_add_sysfs(adapter);
2592
2593 return 0;
2594
2595 err_out_disable_mbx_intr:
2596 if (qlcnic_83xx_check(adapter))
2597 qlcnic_83xx_free_mbx_intr(adapter);
2598
2599 err_out_disable_msi:
2600 qlcnic_teardown_intr(adapter);
2601 qlcnic_cancel_idc_work(adapter);
2602 qlcnic_clr_all_drv_state(adapter, 0);
2603
2604 err_out_free_hw:
2605 qlcnic_free_adapter_resources(adapter);
2606
2607 err_out_free_wq:
2608 destroy_workqueue(adapter->qlcnic_wq);
2609
2610 err_out_free_netdev:
2611 free_netdev(netdev);
2612
2613 err_out_iounmap:
2614 qlcnic_cleanup_pci_map(ahw);
2615
2616 err_out_free_hw_res:
2617 kfree(ahw);
2618
2619 err_out_free_res:
2620 pci_release_regions(pdev);
2621
2622 err_out_disable_pdev:
2623 pci_disable_device(pdev);
2624 return err;
2625
2626 err_out_maintenance_mode:
2627 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2628 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2629 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2630 ahw->port_type = QLCNIC_XGBE;
2631
2632 if (qlcnic_83xx_check(adapter))
2633 adapter->tgt_status_reg = NULL;
2634 else
2635 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2636
2637 err = register_netdev(netdev);
2638
2639 if (err) {
2640 dev_err(&pdev->dev, "Failed to register net device\n");
2641 qlcnic_clr_all_drv_state(adapter, 0);
2642 goto err_out_free_hw;
2643 }
2644
2645 pci_set_drvdata(pdev, adapter);
2646 qlcnic_add_sysfs(adapter);
2647
2648 return 0;
2649 }
2650
2651 static void qlcnic_remove(struct pci_dev *pdev)
2652 {
2653 struct qlcnic_adapter *adapter;
2654 struct net_device *netdev;
2655 struct qlcnic_hardware_context *ahw;
2656
2657 adapter = pci_get_drvdata(pdev);
2658 if (adapter == NULL)
2659 return;
2660
2661 netdev = adapter->netdev;
2662 qlcnic_sriov_pf_disable(adapter);
2663
2664 qlcnic_cancel_idc_work(adapter);
2665 ahw = adapter->ahw;
2666
2667 unregister_netdev(netdev);
2668 qlcnic_sriov_cleanup(adapter);
2669
2670 if (qlcnic_83xx_check(adapter)) {
2671 qlcnic_83xx_initialize_nic(adapter, 0);
2672 cancel_delayed_work_sync(&adapter->idc_aen_work);
2673 qlcnic_83xx_free_mbx_intr(adapter);
2674 qlcnic_83xx_detach_mailbox_work(adapter);
2675 qlcnic_83xx_free_mailbox(ahw->mailbox);
2676 kfree(ahw->fw_info);
2677 }
2678
2679 qlcnic_dcb_free(adapter->dcb);
2680
2681 qlcnic_detach(adapter);
2682
2683 if (adapter->npars != NULL)
2684 kfree(adapter->npars);
2685 if (adapter->eswitch != NULL)
2686 kfree(adapter->eswitch);
2687
2688 if (qlcnic_82xx_check(adapter))
2689 qlcnic_clr_all_drv_state(adapter, 0);
2690
2691 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2692
2693 qlcnic_free_lb_filters_mem(adapter);
2694
2695 qlcnic_teardown_intr(adapter);
2696
2697 qlcnic_remove_sysfs(adapter);
2698
2699 qlcnic_cleanup_pci_map(adapter->ahw);
2700
2701 qlcnic_release_firmware(adapter);
2702
2703 pci_disable_pcie_error_reporting(pdev);
2704 pci_release_regions(pdev);
2705 pci_disable_device(pdev);
2706
2707 if (adapter->qlcnic_wq) {
2708 destroy_workqueue(adapter->qlcnic_wq);
2709 adapter->qlcnic_wq = NULL;
2710 }
2711
2712 qlcnic_free_adapter_resources(adapter);
2713 kfree(ahw);
2714 free_netdev(netdev);
2715 }
2716
2717 static void qlcnic_shutdown(struct pci_dev *pdev)
2718 {
2719 if (__qlcnic_shutdown(pdev))
2720 return;
2721
2722 pci_disable_device(pdev);
2723 }
2724
2725 #ifdef CONFIG_PM
2726 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2727 {
2728 int retval;
2729
2730 retval = __qlcnic_shutdown(pdev);
2731 if (retval)
2732 return retval;
2733
2734 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2735 return 0;
2736 }
2737
2738 static int qlcnic_resume(struct pci_dev *pdev)
2739 {
2740 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2741 int err;
2742
2743 err = pci_enable_device(pdev);
2744 if (err)
2745 return err;
2746
2747 pci_set_power_state(pdev, PCI_D0);
2748 pci_set_master(pdev);
2749 pci_restore_state(pdev);
2750
2751 return __qlcnic_resume(adapter);
2752 }
2753 #endif
2754
2755 static int qlcnic_open(struct net_device *netdev)
2756 {
2757 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2758 int err;
2759
2760 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2761 netdev_err(netdev, "%s: Device is in non-operational state\n",
2762 __func__);
2763
2764 return -EIO;
2765 }
2766
2767 netif_carrier_off(netdev);
2768
2769 err = qlcnic_attach(adapter);
2770 if (err)
2771 return err;
2772
2773 err = __qlcnic_up(adapter, netdev);
2774 if (err)
2775 qlcnic_detach(adapter);
2776
2777 return err;
2778 }
2779
2780 /*
2781 * qlcnic_close - Disables a network interface entry point
2782 */
2783 static int qlcnic_close(struct net_device *netdev)
2784 {
2785 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2786
2787 __qlcnic_down(adapter, netdev);
2788
2789 return 0;
2790 }
2791
2792 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2793 {
2794 void *head;
2795 int i;
2796 struct net_device *netdev = adapter->netdev;
2797 u32 filter_size = 0;
2798 u16 act_pci_func = 0;
2799
2800 if (adapter->fhash.fmax && adapter->fhash.fhead)
2801 return;
2802
2803 act_pci_func = adapter->ahw->total_nic_func;
2804 spin_lock_init(&adapter->mac_learn_lock);
2805 spin_lock_init(&adapter->rx_mac_learn_lock);
2806
2807 if (qlcnic_82xx_check(adapter)) {
2808 filter_size = QLCNIC_LB_MAX_FILTERS;
2809 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2810 } else {
2811 filter_size = QLC_83XX_LB_MAX_FILTERS;
2812 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2813 }
2814
2815 head = kcalloc(adapter->fhash.fbucket_size,
2816 sizeof(struct hlist_head), GFP_ATOMIC);
2817
2818 if (!head)
2819 return;
2820
2821 adapter->fhash.fmax = (filter_size / act_pci_func);
2822 adapter->fhash.fhead = head;
2823
2824 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2825 act_pci_func, adapter->fhash.fmax);
2826
2827 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2828 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2829
2830 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2831
2832 head = kcalloc(adapter->rx_fhash.fbucket_size,
2833 sizeof(struct hlist_head), GFP_ATOMIC);
2834
2835 if (!head)
2836 return;
2837
2838 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2839 adapter->rx_fhash.fhead = head;
2840
2841 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2842 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2843 }
2844
2845 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2846 {
2847 if (adapter->fhash.fmax && adapter->fhash.fhead)
2848 kfree(adapter->fhash.fhead);
2849
2850 adapter->fhash.fhead = NULL;
2851 adapter->fhash.fmax = 0;
2852
2853 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2854 kfree(adapter->rx_fhash.fhead);
2855
2856 adapter->rx_fhash.fmax = 0;
2857 adapter->rx_fhash.fhead = NULL;
2858 }
2859
2860 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2861 {
2862 struct net_device *netdev = adapter->netdev;
2863 u32 temp_state, temp_val, temp = 0;
2864 int rv = 0;
2865
2866 if (qlcnic_83xx_check(adapter))
2867 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2868
2869 if (qlcnic_82xx_check(adapter))
2870 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2871
2872 temp_state = qlcnic_get_temp_state(temp);
2873 temp_val = qlcnic_get_temp_val(temp);
2874
2875 if (temp_state == QLCNIC_TEMP_PANIC) {
2876 dev_err(&netdev->dev,
2877 "Device temperature %d degrees C exceeds"
2878 " maximum allowed. Hardware has been shut down.\n",
2879 temp_val);
2880 rv = 1;
2881 } else if (temp_state == QLCNIC_TEMP_WARN) {
2882 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2883 dev_err(&netdev->dev,
2884 "Device temperature %d degrees C "
2885 "exceeds operating range."
2886 " Immediate action needed.\n",
2887 temp_val);
2888 }
2889 } else {
2890 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2891 dev_info(&netdev->dev,
2892 "Device temperature is now %d degrees C"
2893 " in normal range.\n", temp_val);
2894 }
2895 }
2896 adapter->ahw->temp = temp_state;
2897 return rv;
2898 }
2899
2900 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2901 {
2902 int i;
2903 struct cmd_desc_type0 *tx_desc_info;
2904
2905 for (i = 0; i < tx_ring->num_desc; i++) {
2906 tx_desc_info = &tx_ring->desc_head[i];
2907 pr_info("TX Desc: %d\n", i);
2908 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2909 &tx_ring->desc_head[i],
2910 sizeof(struct cmd_desc_type0), true);
2911 }
2912 }
2913
2914 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2915 {
2916 struct net_device *netdev = adapter->netdev;
2917 struct qlcnic_host_tx_ring *tx_ring;
2918 int ring;
2919
2920 if (!netdev || !netif_running(netdev))
2921 return;
2922
2923 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2924 tx_ring = &adapter->tx_ring[ring];
2925 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2926 ring, tx_ring->ctx_id);
2927 netdev_info(netdev,
2928 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2929 tx_ring->tx_stats.xmit_finished,
2930 tx_ring->tx_stats.xmit_called,
2931 tx_ring->tx_stats.xmit_on,
2932 tx_ring->tx_stats.xmit_off);
2933 netdev_info(netdev,
2934 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2935 readl(tx_ring->crb_intr_mask),
2936 readl(tx_ring->crb_cmd_producer),
2937 tx_ring->producer, tx_ring->sw_consumer,
2938 le32_to_cpu(*(tx_ring->hw_consumer)));
2939
2940 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2941 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2942
2943 if (netif_msg_tx_done(adapter->ahw))
2944 dump_tx_ring_desc(tx_ring);
2945 }
2946 }
2947
2948 static void qlcnic_tx_timeout(struct net_device *netdev)
2949 {
2950 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2951
2952 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2953 return;
2954
2955 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2956 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2957 if (qlcnic_82xx_check(adapter))
2958 adapter->need_fw_reset = 1;
2959 else if (qlcnic_83xx_check(adapter))
2960 qlcnic_83xx_idc_request_reset(adapter,
2961 QLCNIC_FORCE_FW_DUMP_KEY);
2962 } else {
2963 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2964 qlcnic_dump_tx_rings(adapter);
2965 adapter->ahw->reset_context = 1;
2966 }
2967 }
2968
2969 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2970 {
2971 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2972 struct net_device_stats *stats = &netdev->stats;
2973
2974 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2975 qlcnic_update_stats(adapter);
2976
2977 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2978 stats->tx_packets = adapter->stats.xmitfinished;
2979 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2980 stats->tx_bytes = adapter->stats.txbytes;
2981 stats->rx_dropped = adapter->stats.rxdropped;
2982 stats->tx_dropped = adapter->stats.txdropped;
2983
2984 return stats;
2985 }
2986
2987 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2988 {
2989 u32 status;
2990
2991 status = readl(adapter->isr_int_vec);
2992
2993 if (!(status & adapter->ahw->int_vec_bit))
2994 return IRQ_NONE;
2995
2996 /* check interrupt state machine, to be sure */
2997 status = readl(adapter->crb_int_state_reg);
2998 if (!ISR_LEGACY_INT_TRIGGERED(status))
2999 return IRQ_NONE;
3000
3001 writel(0xffffffff, adapter->tgt_status_reg);
3002 /* read twice to ensure write is flushed */
3003 readl(adapter->isr_int_vec);
3004 readl(adapter->isr_int_vec);
3005
3006 return IRQ_HANDLED;
3007 }
3008
3009 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3010 {
3011 struct qlcnic_host_sds_ring *sds_ring = data;
3012 struct qlcnic_adapter *adapter = sds_ring->adapter;
3013
3014 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3015 goto done;
3016 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3017 writel(0xffffffff, adapter->tgt_status_reg);
3018 goto done;
3019 }
3020
3021 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3022 return IRQ_NONE;
3023
3024 done:
3025 adapter->ahw->diag_cnt++;
3026 qlcnic_enable_sds_intr(adapter, sds_ring);
3027 return IRQ_HANDLED;
3028 }
3029
3030 static irqreturn_t qlcnic_intr(int irq, void *data)
3031 {
3032 struct qlcnic_host_sds_ring *sds_ring = data;
3033 struct qlcnic_adapter *adapter = sds_ring->adapter;
3034
3035 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3036 return IRQ_NONE;
3037
3038 napi_schedule(&sds_ring->napi);
3039
3040 return IRQ_HANDLED;
3041 }
3042
3043 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3044 {
3045 struct qlcnic_host_sds_ring *sds_ring = data;
3046 struct qlcnic_adapter *adapter = sds_ring->adapter;
3047
3048 /* clear interrupt */
3049 writel(0xffffffff, adapter->tgt_status_reg);
3050
3051 napi_schedule(&sds_ring->napi);
3052 return IRQ_HANDLED;
3053 }
3054
3055 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3056 {
3057 struct qlcnic_host_sds_ring *sds_ring = data;
3058
3059 napi_schedule(&sds_ring->napi);
3060 return IRQ_HANDLED;
3061 }
3062
3063 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3064 {
3065 struct qlcnic_host_tx_ring *tx_ring = data;
3066
3067 napi_schedule(&tx_ring->napi);
3068 return IRQ_HANDLED;
3069 }
3070
3071 #ifdef CONFIG_NET_POLL_CONTROLLER
3072 static void qlcnic_poll_controller(struct net_device *netdev)
3073 {
3074 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3075 struct qlcnic_host_sds_ring *sds_ring;
3076 struct qlcnic_recv_context *recv_ctx;
3077 struct qlcnic_host_tx_ring *tx_ring;
3078 int ring;
3079
3080 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3081 return;
3082
3083 recv_ctx = adapter->recv_ctx;
3084
3085 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3086 sds_ring = &recv_ctx->sds_rings[ring];
3087 qlcnic_disable_sds_intr(adapter, sds_ring);
3088 napi_schedule(&sds_ring->napi);
3089 }
3090
3091 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3092 /* Only Multi-Tx queue capable devices need to
3093 * schedule NAPI for TX rings
3094 */
3095 if ((qlcnic_83xx_check(adapter) &&
3096 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3097 (qlcnic_82xx_check(adapter) &&
3098 !qlcnic_check_multi_tx(adapter)))
3099 return;
3100
3101 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3102 tx_ring = &adapter->tx_ring[ring];
3103 qlcnic_disable_tx_intr(adapter, tx_ring);
3104 napi_schedule(&tx_ring->napi);
3105 }
3106 }
3107 }
3108 #endif
3109
3110 static void
3111 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3112 {
3113 u32 val;
3114
3115 val = adapter->portnum & 0xf;
3116 val |= encoding << 7;
3117 val |= (jiffies - adapter->dev_rst_time) << 8;
3118
3119 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3120 adapter->dev_rst_time = jiffies;
3121 }
3122
3123 static int
3124 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3125 {
3126 u32 val;
3127
3128 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3129 state != QLCNIC_DEV_NEED_QUISCENT);
3130
3131 if (qlcnic_api_lock(adapter))
3132 return -EIO;
3133
3134 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3135
3136 if (state == QLCNIC_DEV_NEED_RESET)
3137 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3138 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3139 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3140
3141 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3142
3143 qlcnic_api_unlock(adapter);
3144
3145 return 0;
3146 }
3147
3148 static int
3149 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3150 {
3151 u32 val;
3152
3153 if (qlcnic_api_lock(adapter))
3154 return -EBUSY;
3155
3156 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3157 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3158 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3159
3160 qlcnic_api_unlock(adapter);
3161
3162 return 0;
3163 }
3164
3165 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3166 {
3167 u32 val;
3168
3169 if (qlcnic_api_lock(adapter))
3170 goto err;
3171
3172 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3173 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3174 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3175
3176 if (failed) {
3177 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3178 QLCNIC_DEV_FAILED);
3179 dev_info(&adapter->pdev->dev,
3180 "Device state set to Failed. Please Reboot\n");
3181 } else if (!(val & 0x11111111))
3182 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3183 QLCNIC_DEV_COLD);
3184
3185 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3186 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3187 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3188
3189 qlcnic_api_unlock(adapter);
3190 err:
3191 adapter->fw_fail_cnt = 0;
3192 adapter->flags &= ~QLCNIC_FW_HANG;
3193 clear_bit(__QLCNIC_START_FW, &adapter->state);
3194 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3195 }
3196
3197 /* Grab api lock, before checking state */
3198 static int
3199 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3200 {
3201 int act, state, active_mask;
3202 struct qlcnic_hardware_context *ahw = adapter->ahw;
3203
3204 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3205 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3206
3207 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3208 active_mask = (~(1 << (ahw->pci_func * 4)));
3209 act = act & active_mask;
3210 }
3211
3212 if (((state & 0x11111111) == (act & 0x11111111)) ||
3213 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3214 return 0;
3215 else
3216 return 1;
3217 }
3218
3219 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3220 {
3221 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3222
3223 if (val != QLCNIC_DRV_IDC_VER) {
3224 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3225 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3226 }
3227
3228 return 0;
3229 }
3230
3231 static int
3232 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3233 {
3234 u32 val, prev_state;
3235 u8 dev_init_timeo = adapter->dev_init_timeo;
3236 u8 portnum = adapter->portnum;
3237 u8 ret;
3238
3239 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3240 return 1;
3241
3242 if (qlcnic_api_lock(adapter))
3243 return -1;
3244
3245 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3246 if (!(val & (1 << (portnum * 4)))) {
3247 QLC_DEV_SET_REF_CNT(val, portnum);
3248 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3249 }
3250
3251 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3252 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3253
3254 switch (prev_state) {
3255 case QLCNIC_DEV_COLD:
3256 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3257 QLCNIC_DEV_INITIALIZING);
3258 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3259 QLCNIC_DRV_IDC_VER);
3260 qlcnic_idc_debug_info(adapter, 0);
3261 qlcnic_api_unlock(adapter);
3262 return 1;
3263
3264 case QLCNIC_DEV_READY:
3265 ret = qlcnic_check_idc_ver(adapter);
3266 qlcnic_api_unlock(adapter);
3267 return ret;
3268
3269 case QLCNIC_DEV_NEED_RESET:
3270 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3271 QLC_DEV_SET_RST_RDY(val, portnum);
3272 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3273 break;
3274
3275 case QLCNIC_DEV_NEED_QUISCENT:
3276 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3277 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3278 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3279 break;
3280
3281 case QLCNIC_DEV_FAILED:
3282 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3283 qlcnic_api_unlock(adapter);
3284 return -1;
3285
3286 case QLCNIC_DEV_INITIALIZING:
3287 case QLCNIC_DEV_QUISCENT:
3288 break;
3289 }
3290
3291 qlcnic_api_unlock(adapter);
3292
3293 do {
3294 msleep(1000);
3295 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3296
3297 if (prev_state == QLCNIC_DEV_QUISCENT)
3298 continue;
3299 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3300
3301 if (!dev_init_timeo) {
3302 dev_err(&adapter->pdev->dev,
3303 "Waiting for device to initialize timeout\n");
3304 return -1;
3305 }
3306
3307 if (qlcnic_api_lock(adapter))
3308 return -1;
3309
3310 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3311 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3312 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3313
3314 ret = qlcnic_check_idc_ver(adapter);
3315 qlcnic_api_unlock(adapter);
3316
3317 return ret;
3318 }
3319
3320 static void
3321 qlcnic_fwinit_work(struct work_struct *work)
3322 {
3323 struct qlcnic_adapter *adapter = container_of(work,
3324 struct qlcnic_adapter, fw_work.work);
3325 u32 dev_state = 0xf;
3326 u32 val;
3327
3328 if (qlcnic_api_lock(adapter))
3329 goto err_ret;
3330
3331 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3332 if (dev_state == QLCNIC_DEV_QUISCENT ||
3333 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3334 qlcnic_api_unlock(adapter);
3335 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3336 FW_POLL_DELAY * 2);
3337 return;
3338 }
3339
3340 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3341 qlcnic_api_unlock(adapter);
3342 goto wait_npar;
3343 }
3344
3345 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3346 dev_state == QLCNIC_DEV_READY) {
3347 dev_info(&adapter->pdev->dev, "Detected state change from "
3348 "DEV_NEED_RESET, skipping ack check\n");
3349 goto skip_ack_check;
3350 }
3351
3352 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3353 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3354 adapter->reset_ack_timeo);
3355 goto skip_ack_check;
3356 }
3357
3358 if (!qlcnic_check_drv_state(adapter)) {
3359 skip_ack_check:
3360 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3361
3362 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3363 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3364 QLCNIC_DEV_INITIALIZING);
3365 set_bit(__QLCNIC_START_FW, &adapter->state);
3366 QLCDB(adapter, DRV, "Restarting fw\n");
3367 qlcnic_idc_debug_info(adapter, 0);
3368 val = QLC_SHARED_REG_RD32(adapter,
3369 QLCNIC_CRB_DRV_STATE);
3370 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3371 QLC_SHARED_REG_WR32(adapter,
3372 QLCNIC_CRB_DRV_STATE, val);
3373 }
3374
3375 qlcnic_api_unlock(adapter);
3376
3377 rtnl_lock();
3378 if (qlcnic_check_fw_dump_state(adapter) &&
3379 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3380 QLCDB(adapter, DRV, "Take FW dump\n");
3381 qlcnic_dump_fw(adapter);
3382 adapter->flags |= QLCNIC_FW_HANG;
3383 }
3384 rtnl_unlock();
3385
3386 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3387 if (!adapter->nic_ops->start_firmware(adapter)) {
3388 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3389 adapter->fw_wait_cnt = 0;
3390 return;
3391 }
3392 goto err_ret;
3393 }
3394
3395 qlcnic_api_unlock(adapter);
3396
3397 wait_npar:
3398 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3399 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3400
3401 switch (dev_state) {
3402 case QLCNIC_DEV_READY:
3403 if (!qlcnic_start_firmware(adapter)) {
3404 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3405 adapter->fw_wait_cnt = 0;
3406 return;
3407 }
3408 case QLCNIC_DEV_FAILED:
3409 break;
3410 default:
3411 qlcnic_schedule_work(adapter,
3412 qlcnic_fwinit_work, FW_POLL_DELAY);
3413 return;
3414 }
3415
3416 err_ret:
3417 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3418 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3419 netif_device_attach(adapter->netdev);
3420 qlcnic_clr_all_drv_state(adapter, 0);
3421 }
3422
3423 static void
3424 qlcnic_detach_work(struct work_struct *work)
3425 {
3426 struct qlcnic_adapter *adapter = container_of(work,
3427 struct qlcnic_adapter, fw_work.work);
3428 struct net_device *netdev = adapter->netdev;
3429 u32 status;
3430
3431 netif_device_detach(netdev);
3432
3433 /* Dont grab rtnl lock during Quiscent mode */
3434 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3435 if (netif_running(netdev))
3436 __qlcnic_down(adapter, netdev);
3437 } else
3438 qlcnic_down(adapter, netdev);
3439
3440 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3441
3442 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3443 dev_err(&adapter->pdev->dev,
3444 "Detaching the device: peg halt status1=0x%x\n",
3445 status);
3446
3447 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3448 dev_err(&adapter->pdev->dev,
3449 "On board active cooling fan failed. "
3450 "Device has been halted.\n");
3451 dev_err(&adapter->pdev->dev,
3452 "Replace the adapter.\n");
3453 }
3454
3455 goto err_ret;
3456 }
3457
3458 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3459 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3460 adapter->ahw->temp);
3461 goto err_ret;
3462 }
3463
3464 /* Dont ack if this instance is the reset owner */
3465 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3466 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3467 dev_err(&adapter->pdev->dev,
3468 "Failed to set driver state,"
3469 "detaching the device.\n");
3470 goto err_ret;
3471 }
3472 }
3473
3474 adapter->fw_wait_cnt = 0;
3475
3476 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3477
3478 return;
3479
3480 err_ret:
3481 netif_device_attach(netdev);
3482 qlcnic_clr_all_drv_state(adapter, 1);
3483 }
3484
3485 /*Transit NPAR state to NON Operational */
3486 static void
3487 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3488 {
3489 u32 state;
3490
3491 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3492 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3493 return;
3494
3495 if (qlcnic_api_lock(adapter))
3496 return;
3497 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3498 QLCNIC_DEV_NPAR_NON_OPER);
3499 qlcnic_api_unlock(adapter);
3500 }
3501
3502 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3503 u32 key)
3504 {
3505 u32 state, xg_val = 0, gb_val = 0;
3506
3507 qlcnic_xg_set_xg0_mask(xg_val);
3508 qlcnic_xg_set_xg1_mask(xg_val);
3509 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3510 qlcnic_gb_set_gb0_mask(gb_val);
3511 qlcnic_gb_set_gb1_mask(gb_val);
3512 qlcnic_gb_set_gb2_mask(gb_val);
3513 qlcnic_gb_set_gb3_mask(gb_val);
3514 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3515 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3516 " on all ports\n");
3517 adapter->need_fw_reset = 1;
3518
3519 if (qlcnic_api_lock(adapter))
3520 return;
3521
3522 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3523
3524 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3525 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3526 __func__);
3527 qlcnic_api_unlock(adapter);
3528
3529 return;
3530 }
3531
3532 if (state == QLCNIC_DEV_READY) {
3533 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3534 QLCNIC_DEV_NEED_RESET);
3535 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3536 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3537 qlcnic_idc_debug_info(adapter, 0);
3538 }
3539
3540 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3541 QLCNIC_DEV_NPAR_NON_OPER);
3542 qlcnic_api_unlock(adapter);
3543 }
3544
3545 /* Transit to NPAR READY state from NPAR NOT READY state */
3546 static void
3547 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3548 {
3549 if (qlcnic_api_lock(adapter))
3550 return;
3551
3552 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3553 QLCNIC_DEV_NPAR_OPER);
3554 QLCDB(adapter, DRV, "NPAR operational state set\n");
3555
3556 qlcnic_api_unlock(adapter);
3557 }
3558
3559 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3560 work_func_t func, int delay)
3561 {
3562 if (test_bit(__QLCNIC_AER, &adapter->state))
3563 return;
3564
3565 INIT_DELAYED_WORK(&adapter->fw_work, func);
3566 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3567 round_jiffies_relative(delay));
3568 }
3569
3570 static void
3571 qlcnic_attach_work(struct work_struct *work)
3572 {
3573 struct qlcnic_adapter *adapter = container_of(work,
3574 struct qlcnic_adapter, fw_work.work);
3575 struct net_device *netdev = adapter->netdev;
3576 u32 npar_state;
3577
3578 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3579 npar_state = QLC_SHARED_REG_RD32(adapter,
3580 QLCNIC_CRB_DEV_NPAR_STATE);
3581 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3582 qlcnic_clr_all_drv_state(adapter, 0);
3583 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3584 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3585 FW_POLL_DELAY);
3586 else
3587 goto attach;
3588 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3589 return;
3590 }
3591 attach:
3592 qlcnic_dcb_get_info(adapter->dcb);
3593
3594 if (netif_running(netdev)) {
3595 if (qlcnic_up(adapter, netdev))
3596 goto done;
3597
3598 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3599 }
3600
3601 done:
3602 netif_device_attach(netdev);
3603 adapter->fw_fail_cnt = 0;
3604 adapter->flags &= ~QLCNIC_FW_HANG;
3605 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3606 if (adapter->portnum == 0)
3607 qlcnic_set_drv_version(adapter);
3608
3609 if (!qlcnic_clr_drv_state(adapter))
3610 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3611 FW_POLL_DELAY);
3612 }
3613
3614 static int
3615 qlcnic_check_health(struct qlcnic_adapter *adapter)
3616 {
3617 struct qlcnic_hardware_context *ahw = adapter->ahw;
3618 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3619 u32 state = 0, heartbeat;
3620 u32 peg_status;
3621 int err = 0;
3622
3623 if (qlcnic_check_temp(adapter))
3624 goto detach;
3625
3626 if (adapter->need_fw_reset)
3627 qlcnic_dev_request_reset(adapter, 0);
3628
3629 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3630 if (state == QLCNIC_DEV_NEED_RESET) {
3631 qlcnic_set_npar_non_operational(adapter);
3632 adapter->need_fw_reset = 1;
3633 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3634 goto detach;
3635
3636 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3637 if (heartbeat != adapter->heartbeat) {
3638 adapter->heartbeat = heartbeat;
3639 adapter->fw_fail_cnt = 0;
3640 if (adapter->need_fw_reset)
3641 goto detach;
3642
3643 if (ahw->reset_context && qlcnic_auto_fw_reset)
3644 qlcnic_reset_hw_context(adapter);
3645
3646 return 0;
3647 }
3648
3649 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3650 return 0;
3651
3652 adapter->flags |= QLCNIC_FW_HANG;
3653
3654 qlcnic_dev_request_reset(adapter, 0);
3655
3656 if (qlcnic_auto_fw_reset)
3657 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3658
3659 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3660 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3661 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3662 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3663 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3664 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3665 "PEG_NET_4_PC: 0x%x\n",
3666 peg_status,
3667 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3668 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3669 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3670 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3671 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3672 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3673 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3674 dev_err(&adapter->pdev->dev,
3675 "Firmware aborted with error code 0x00006700. "
3676 "Device is being reset.\n");
3677 detach:
3678 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3679 QLCNIC_DEV_NEED_RESET;
3680
3681 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3682 &adapter->state)) {
3683
3684 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3685 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3686 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3687 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3688 qlcnic_dump_fw(adapter);
3689 }
3690
3691 return 1;
3692 }
3693
3694 void qlcnic_fw_poll_work(struct work_struct *work)
3695 {
3696 struct qlcnic_adapter *adapter = container_of(work,
3697 struct qlcnic_adapter, fw_work.work);
3698
3699 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3700 goto reschedule;
3701
3702
3703 if (qlcnic_check_health(adapter))
3704 return;
3705
3706 if (adapter->fhash.fnum)
3707 qlcnic_prune_lb_filters(adapter);
3708
3709 reschedule:
3710 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3711 }
3712
3713 static int qlcnic_is_first_func(struct pci_dev *pdev)
3714 {
3715 struct pci_dev *oth_pdev;
3716 int val = pdev->devfn;
3717
3718 while (val-- > 0) {
3719 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3720 (pdev->bus), pdev->bus->number,
3721 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3722 if (!oth_pdev)
3723 continue;
3724
3725 if (oth_pdev->current_state != PCI_D3cold) {
3726 pci_dev_put(oth_pdev);
3727 return 0;
3728 }
3729 pci_dev_put(oth_pdev);
3730 }
3731 return 1;
3732 }
3733
3734 static int qlcnic_attach_func(struct pci_dev *pdev)
3735 {
3736 int err, first_func;
3737 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3738 struct net_device *netdev = adapter->netdev;
3739
3740 pdev->error_state = pci_channel_io_normal;
3741
3742 err = pci_enable_device(pdev);
3743 if (err)
3744 return err;
3745
3746 pci_set_master(pdev);
3747 pci_restore_state(pdev);
3748
3749 first_func = qlcnic_is_first_func(pdev);
3750
3751 if (qlcnic_api_lock(adapter))
3752 return -EINVAL;
3753
3754 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3755 adapter->need_fw_reset = 1;
3756 set_bit(__QLCNIC_START_FW, &adapter->state);
3757 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3758 QLCNIC_DEV_INITIALIZING);
3759 QLCDB(adapter, DRV, "Restarting fw\n");
3760 }
3761 qlcnic_api_unlock(adapter);
3762
3763 err = qlcnic_start_firmware(adapter);
3764 if (err)
3765 return err;
3766
3767 qlcnic_clr_drv_state(adapter);
3768 kfree(adapter->msix_entries);
3769 adapter->msix_entries = NULL;
3770 err = qlcnic_setup_intr(adapter);
3771
3772 if (err) {
3773 kfree(adapter->msix_entries);
3774 netdev_err(netdev, "failed to setup interrupt\n");
3775 return err;
3776 }
3777
3778 if (netif_running(netdev)) {
3779 err = qlcnic_attach(adapter);
3780 if (err) {
3781 qlcnic_clr_all_drv_state(adapter, 1);
3782 clear_bit(__QLCNIC_AER, &adapter->state);
3783 netif_device_attach(netdev);
3784 return err;
3785 }
3786
3787 err = qlcnic_up(adapter, netdev);
3788 if (err)
3789 goto done;
3790
3791 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3792 }
3793 done:
3794 netif_device_attach(netdev);
3795 return err;
3796 }
3797
3798 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3799 pci_channel_state_t state)
3800 {
3801 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3802 struct net_device *netdev = adapter->netdev;
3803
3804 if (state == pci_channel_io_perm_failure)
3805 return PCI_ERS_RESULT_DISCONNECT;
3806
3807 if (state == pci_channel_io_normal)
3808 return PCI_ERS_RESULT_RECOVERED;
3809
3810 set_bit(__QLCNIC_AER, &adapter->state);
3811 netif_device_detach(netdev);
3812
3813 cancel_delayed_work_sync(&adapter->fw_work);
3814
3815 if (netif_running(netdev))
3816 qlcnic_down(adapter, netdev);
3817
3818 qlcnic_detach(adapter);
3819 qlcnic_teardown_intr(adapter);
3820
3821 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3822
3823 pci_save_state(pdev);
3824 pci_disable_device(pdev);
3825
3826 return PCI_ERS_RESULT_NEED_RESET;
3827 }
3828
3829 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3830 {
3831 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3832 PCI_ERS_RESULT_RECOVERED;
3833 }
3834
3835 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3836 {
3837 u32 state;
3838 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3839
3840 pci_cleanup_aer_uncorrect_error_status(pdev);
3841 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3842 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3843 &adapter->state))
3844 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3845 FW_POLL_DELAY);
3846 }
3847
3848 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3849 pci_channel_state_t state)
3850 {
3851 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3852 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3853
3854 if (hw_ops->io_error_detected) {
3855 return hw_ops->io_error_detected(pdev, state);
3856 } else {
3857 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3858 return PCI_ERS_RESULT_DISCONNECT;
3859 }
3860 }
3861
3862 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3863 {
3864 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3865 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3866
3867 if (hw_ops->io_slot_reset) {
3868 return hw_ops->io_slot_reset(pdev);
3869 } else {
3870 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3871 return PCI_ERS_RESULT_DISCONNECT;
3872 }
3873 }
3874
3875 static void qlcnic_io_resume(struct pci_dev *pdev)
3876 {
3877 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3878 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3879
3880 if (hw_ops->io_resume)
3881 hw_ops->io_resume(pdev);
3882 else
3883 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3884 }
3885
3886
3887 static int
3888 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3889 {
3890 int err;
3891
3892 err = qlcnic_can_start_firmware(adapter);
3893 if (err)
3894 return err;
3895
3896 err = qlcnic_check_npar_opertional(adapter);
3897 if (err)
3898 return err;
3899
3900 err = qlcnic_initialize_nic(adapter);
3901 if (err)
3902 return err;
3903
3904 qlcnic_check_options(adapter);
3905
3906 err = qlcnic_set_eswitch_port_config(adapter);
3907 if (err)
3908 return err;
3909
3910 adapter->need_fw_reset = 0;
3911
3912 return err;
3913 }
3914
3915 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3916 int queue_type)
3917 {
3918 struct net_device *netdev = adapter->netdev;
3919 u8 max_hw_rings = 0;
3920 char buf[8];
3921 int cur_rings;
3922
3923 if (queue_type == QLCNIC_RX_QUEUE) {
3924 max_hw_rings = adapter->max_sds_rings;
3925 cur_rings = adapter->drv_sds_rings;
3926 strcpy(buf, "SDS");
3927 } else if (queue_type == QLCNIC_TX_QUEUE) {
3928 max_hw_rings = adapter->max_tx_rings;
3929 cur_rings = adapter->drv_tx_rings;
3930 strcpy(buf, "Tx");
3931 }
3932
3933 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
3934 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
3935 return -EINVAL;
3936 }
3937
3938 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3939 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
3940 return -EINVAL;
3941 }
3942
3943 if (!is_power_of_2(ring_cnt)) {
3944 netdev_err(netdev, "%s rings value should be a power of 2\n",
3945 buf);
3946 return -EINVAL;
3947 }
3948
3949 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3950 !qlcnic_check_multi_tx(adapter)) {
3951 netdev_err(netdev, "No Multi Tx queue support\n");
3952 return -EINVAL;
3953 }
3954
3955 if (ring_cnt > num_online_cpus()) {
3956 netdev_err(netdev,
3957 "%s value[%u] should not be higher than, number of online CPUs\n",
3958 buf, num_online_cpus());
3959 return -EINVAL;
3960 }
3961
3962 return 0;
3963 }
3964
3965 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
3966 {
3967 struct net_device *netdev = adapter->netdev;
3968 int err;
3969
3970 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3971 return -EBUSY;
3972
3973 netif_device_detach(netdev);
3974 if (netif_running(netdev))
3975 __qlcnic_down(adapter, netdev);
3976
3977 qlcnic_detach(adapter);
3978
3979 if (qlcnic_83xx_check(adapter)) {
3980 qlcnic_83xx_free_mbx_intr(adapter);
3981 qlcnic_83xx_enable_mbx_poll(adapter);
3982 }
3983
3984 qlcnic_teardown_intr(adapter);
3985
3986 err = qlcnic_setup_intr(adapter);
3987 if (err) {
3988 kfree(adapter->msix_entries);
3989 netdev_err(netdev, "failed to setup interrupt\n");
3990 return err;
3991 }
3992
3993 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
3994
3995 if (qlcnic_83xx_check(adapter)) {
3996 qlcnic_83xx_initialize_nic(adapter, 1);
3997 err = qlcnic_83xx_setup_mbx_intr(adapter);
3998 qlcnic_83xx_disable_mbx_poll(adapter);
3999 if (err) {
4000 dev_err(&adapter->pdev->dev,
4001 "failed to setup mbx interrupt\n");
4002 goto done;
4003 }
4004 }
4005
4006 if (netif_running(netdev)) {
4007 err = qlcnic_attach(adapter);
4008 if (err)
4009 goto done;
4010 err = __qlcnic_up(adapter, netdev);
4011 if (err)
4012 goto done;
4013 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4014 }
4015 done:
4016 netif_device_attach(netdev);
4017 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4018 return err;
4019 }
4020
4021 #ifdef CONFIG_INET
4022
4023 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4024
4025 static void
4026 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4027 struct net_device *dev, unsigned long event)
4028 {
4029 struct in_device *indev;
4030
4031 indev = in_dev_get(dev);
4032 if (!indev)
4033 return;
4034
4035 for_ifa(indev) {
4036 switch (event) {
4037 case NETDEV_UP:
4038 qlcnic_config_ipaddr(adapter,
4039 ifa->ifa_address, QLCNIC_IP_UP);
4040 break;
4041 case NETDEV_DOWN:
4042 qlcnic_config_ipaddr(adapter,
4043 ifa->ifa_address, QLCNIC_IP_DOWN);
4044 break;
4045 default:
4046 break;
4047 }
4048 } endfor_ifa(indev);
4049
4050 in_dev_put(indev);
4051 }
4052
4053 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4054 {
4055 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4056 struct net_device *dev;
4057 u16 vid;
4058
4059 qlcnic_config_indev_addr(adapter, netdev, event);
4060
4061 rcu_read_lock();
4062 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4063 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
4064 if (!dev)
4065 continue;
4066 qlcnic_config_indev_addr(adapter, dev, event);
4067 }
4068 rcu_read_unlock();
4069 }
4070
4071 static int qlcnic_netdev_event(struct notifier_block *this,
4072 unsigned long event, void *ptr)
4073 {
4074 struct qlcnic_adapter *adapter;
4075 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4076
4077 recheck:
4078 if (dev == NULL)
4079 goto done;
4080
4081 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4082 dev = vlan_dev_real_dev(dev);
4083 goto recheck;
4084 }
4085
4086 if (!is_qlcnic_netdev(dev))
4087 goto done;
4088
4089 adapter = netdev_priv(dev);
4090
4091 if (!adapter)
4092 goto done;
4093
4094 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4095 goto done;
4096
4097 qlcnic_config_indev_addr(adapter, dev, event);
4098 done:
4099 return NOTIFY_DONE;
4100 }
4101
4102 static int
4103 qlcnic_inetaddr_event(struct notifier_block *this,
4104 unsigned long event, void *ptr)
4105 {
4106 struct qlcnic_adapter *adapter;
4107 struct net_device *dev;
4108
4109 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4110
4111 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4112
4113 recheck:
4114 if (dev == NULL)
4115 goto done;
4116
4117 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4118 dev = vlan_dev_real_dev(dev);
4119 goto recheck;
4120 }
4121
4122 if (!is_qlcnic_netdev(dev))
4123 goto done;
4124
4125 adapter = netdev_priv(dev);
4126
4127 if (!adapter)
4128 goto done;
4129
4130 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4131 goto done;
4132
4133 switch (event) {
4134 case NETDEV_UP:
4135 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4136
4137 break;
4138 case NETDEV_DOWN:
4139 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4140
4141 break;
4142 default:
4143 break;
4144 }
4145
4146 done:
4147 return NOTIFY_DONE;
4148 }
4149
4150 static struct notifier_block qlcnic_netdev_cb = {
4151 .notifier_call = qlcnic_netdev_event,
4152 };
4153
4154 static struct notifier_block qlcnic_inetaddr_cb = {
4155 .notifier_call = qlcnic_inetaddr_event,
4156 };
4157 #else
4158 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4159 { }
4160 #endif
4161 static const struct pci_error_handlers qlcnic_err_handler = {
4162 .error_detected = qlcnic_io_error_detected,
4163 .slot_reset = qlcnic_io_slot_reset,
4164 .resume = qlcnic_io_resume,
4165 };
4166
4167 static struct pci_driver qlcnic_driver = {
4168 .name = qlcnic_driver_name,
4169 .id_table = qlcnic_pci_tbl,
4170 .probe = qlcnic_probe,
4171 .remove = qlcnic_remove,
4172 #ifdef CONFIG_PM
4173 .suspend = qlcnic_suspend,
4174 .resume = qlcnic_resume,
4175 #endif
4176 .shutdown = qlcnic_shutdown,
4177 .err_handler = &qlcnic_err_handler,
4178 #ifdef CONFIG_QLCNIC_SRIOV
4179 .sriov_configure = qlcnic_pci_sriov_configure,
4180 #endif
4181
4182 };
4183
4184 static int __init qlcnic_init_module(void)
4185 {
4186 int ret;
4187
4188 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4189
4190 #ifdef CONFIG_INET
4191 register_netdevice_notifier(&qlcnic_netdev_cb);
4192 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4193 #endif
4194
4195 ret = pci_register_driver(&qlcnic_driver);
4196 if (ret) {
4197 #ifdef CONFIG_INET
4198 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4199 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4200 #endif
4201 }
4202
4203 return ret;
4204 }
4205
4206 module_init(qlcnic_init_module);
4207
4208 static void __exit qlcnic_exit_module(void)
4209 {
4210 pci_unregister_driver(&qlcnic_driver);
4211
4212 #ifdef CONFIG_INET
4213 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4214 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4215 #endif
4216 }
4217
4218 module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
This page took 0.117507 seconds and 4 git commands to generate.