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[mirror_ubuntu-zesty-kernel.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 #include <linux/swab.h>
11 #include <linux/dma-mapping.h>
12 #include <linux/if_vlan.h>
13 #include <net/ip.h>
14 #include <linux/ipv6.h>
15 #include <linux/inetdevice.h>
16 #include <linux/aer.h>
17 #include <linux/log2.h>
18 #include <linux/pci.h>
19 #ifdef CONFIG_QLCNIC_VXLAN
20 #include <net/vxlan.h>
21 #endif
22
23 #include "qlcnic.h"
24 #include "qlcnic_sriov.h"
25 #include "qlcnic_hw.h"
26
27 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
28 MODULE_LICENSE("GPL");
29 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
30 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
31
32 char qlcnic_driver_name[] = "qlcnic";
33 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
34 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
35
36 static int qlcnic_mac_learn;
37 module_param(qlcnic_mac_learn, int, 0444);
38 MODULE_PARM_DESC(qlcnic_mac_learn,
39 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
40
41 int qlcnic_use_msi = 1;
42 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
43 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
44
45 int qlcnic_use_msi_x = 1;
46 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
47 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
48
49 int qlcnic_auto_fw_reset = 1;
50 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
51 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
52
53 int qlcnic_load_fw_file;
54 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
55 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
56
57 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
58 static void qlcnic_remove(struct pci_dev *pdev);
59 static int qlcnic_open(struct net_device *netdev);
60 static int qlcnic_close(struct net_device *netdev);
61 static void qlcnic_tx_timeout(struct net_device *netdev);
62 static void qlcnic_attach_work(struct work_struct *work);
63 static void qlcnic_fwinit_work(struct work_struct *work);
64 #ifdef CONFIG_NET_POLL_CONTROLLER
65 static void qlcnic_poll_controller(struct net_device *netdev);
66 #endif
67
68 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
69 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
70
71 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
72 static irqreturn_t qlcnic_intr(int irq, void *data);
73 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
74 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
75 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
76
77 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
78 static int qlcnic_start_firmware(struct qlcnic_adapter *);
79
80 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
81 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
82 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
83 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
84 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
85
86 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
87 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
88 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
89 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
90 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
91 static void qlcnic_82xx_io_resume(struct pci_dev *);
92 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
93 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
94 pci_channel_state_t);
95 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
96 {
97 struct qlcnic_hardware_context *ahw = adapter->ahw;
98
99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
101 else
102 return 1;
103 }
104
105 /* PCI Device ID Table */
106 #define ENTRY(device) \
107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
109
110 static const struct pci_device_id qlcnic_pci_tbl[] = {
111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
117 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
118 {0,}
119 };
120
121 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
122
123
124 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
125 {
126 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
127 }
128
129 static const u32 msi_tgt_status[8] = {
130 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
131 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
132 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
133 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
134 };
135
136 static const u32 qlcnic_reg_tbl[] = {
137 0x1B20A8, /* PEG_HALT_STAT1 */
138 0x1B20AC, /* PEG_HALT_STAT2 */
139 0x1B20B0, /* FW_HEARTBEAT */
140 0x1B2100, /* LOCK ID */
141 0x1B2128, /* FW_CAPABILITIES */
142 0x1B2138, /* drv active */
143 0x1B2140, /* dev state */
144 0x1B2144, /* drv state */
145 0x1B2148, /* drv scratch */
146 0x1B214C, /* dev partition info */
147 0x1B2174, /* drv idc ver */
148 0x1B2150, /* fw version major */
149 0x1B2154, /* fw version minor */
150 0x1B2158, /* fw version sub */
151 0x1B219C, /* npar state */
152 0x1B21FC, /* FW_IMG_VALID */
153 0x1B2250, /* CMD_PEG_STATE */
154 0x1B233C, /* RCV_PEG_STATE */
155 0x1B23B4, /* ASIC TEMP */
156 0x1B216C, /* FW api */
157 0x1B2170, /* drv op mode */
158 0x13C010, /* flash lock */
159 0x13C014, /* flash unlock */
160 };
161
162 static const struct qlcnic_board_info qlcnic_boards[] = {
163 { PCI_VENDOR_ID_QLOGIC,
164 PCI_DEVICE_ID_QLOGIC_QLE844X,
165 0x0,
166 0x0,
167 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
168 { PCI_VENDOR_ID_QLOGIC,
169 PCI_DEVICE_ID_QLOGIC_QLE834X,
170 PCI_VENDOR_ID_QLOGIC,
171 0x24e,
172 "8300 Series Dual Port 10GbE Converged Network Adapter "
173 "(TCP/IP Networking)" },
174 { PCI_VENDOR_ID_QLOGIC,
175 PCI_DEVICE_ID_QLOGIC_QLE834X,
176 PCI_VENDOR_ID_QLOGIC,
177 0x243,
178 "8300 Series Single Port 10GbE Converged Network Adapter "
179 "(TCP/IP Networking)" },
180 { PCI_VENDOR_ID_QLOGIC,
181 PCI_DEVICE_ID_QLOGIC_QLE834X,
182 PCI_VENDOR_ID_QLOGIC,
183 0x24a,
184 "8300 Series Dual Port 10GbE Converged Network Adapter "
185 "(TCP/IP Networking)" },
186 { PCI_VENDOR_ID_QLOGIC,
187 PCI_DEVICE_ID_QLOGIC_QLE834X,
188 PCI_VENDOR_ID_QLOGIC,
189 0x246,
190 "8300 Series Dual Port 10GbE Converged Network Adapter "
191 "(TCP/IP Networking)" },
192 { PCI_VENDOR_ID_QLOGIC,
193 PCI_DEVICE_ID_QLOGIC_QLE834X,
194 PCI_VENDOR_ID_QLOGIC,
195 0x252,
196 "8300 Series Dual Port 10GbE Converged Network Adapter "
197 "(TCP/IP Networking)" },
198 { PCI_VENDOR_ID_QLOGIC,
199 PCI_DEVICE_ID_QLOGIC_QLE834X,
200 PCI_VENDOR_ID_QLOGIC,
201 0x26e,
202 "8300 Series Dual Port 10GbE Converged Network Adapter "
203 "(TCP/IP Networking)" },
204 { PCI_VENDOR_ID_QLOGIC,
205 PCI_DEVICE_ID_QLOGIC_QLE834X,
206 PCI_VENDOR_ID_QLOGIC,
207 0x260,
208 "8300 Series Dual Port 10GbE Converged Network Adapter "
209 "(TCP/IP Networking)" },
210 { PCI_VENDOR_ID_QLOGIC,
211 PCI_DEVICE_ID_QLOGIC_QLE834X,
212 PCI_VENDOR_ID_QLOGIC,
213 0x266,
214 "8300 Series Single Port 10GbE Converged Network Adapter "
215 "(TCP/IP Networking)" },
216 { PCI_VENDOR_ID_QLOGIC,
217 PCI_DEVICE_ID_QLOGIC_QLE834X,
218 PCI_VENDOR_ID_QLOGIC,
219 0x269,
220 "8300 Series Dual Port 10GbE Converged Network Adapter "
221 "(TCP/IP Networking)" },
222 { PCI_VENDOR_ID_QLOGIC,
223 PCI_DEVICE_ID_QLOGIC_QLE834X,
224 PCI_VENDOR_ID_QLOGIC,
225 0x271,
226 "8300 Series Dual Port 10GbE Converged Network Adapter "
227 "(TCP/IP Networking)" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE834X,
230 0x0, 0x0, "8300 Series 1/10GbE Controller" },
231 { PCI_VENDOR_ID_QLOGIC,
232 PCI_DEVICE_ID_QLOGIC_QLE8830,
233 0x0,
234 0x0,
235 "8830 Series 1/10GbE Controller" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
239 0x203,
240 "8200 Series Single 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 0x207,
246 "8200 Series Dual Port 10GbE Converged Network Adapter"
247 "(TCP/IP Networking)" },
248 { PCI_VENDOR_ID_QLOGIC,
249 PCI_DEVICE_ID_QLOGIC_QLE824X,
250 PCI_VENDOR_ID_QLOGIC,
251 0x20b,
252 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
256 0x20c,
257 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 PCI_VENDOR_ID_QLOGIC,
261 0x20f,
262 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
263 { PCI_VENDOR_ID_QLOGIC,
264 PCI_DEVICE_ID_QLOGIC_QLE824X,
265 0x103c, 0x3733,
266 "NC523SFP 10Gb 2-port Server Adapter" },
267 { PCI_VENDOR_ID_QLOGIC,
268 PCI_DEVICE_ID_QLOGIC_QLE824X,
269 0x103c, 0x3346,
270 "CN1000Q Dual Port Converged Network Adapter" },
271 { PCI_VENDOR_ID_QLOGIC,
272 PCI_DEVICE_ID_QLOGIC_QLE824X,
273 PCI_VENDOR_ID_QLOGIC,
274 0x210,
275 "QME8242-k 10GbE Dual Port Mezzanine Card" },
276 { PCI_VENDOR_ID_QLOGIC,
277 PCI_DEVICE_ID_QLOGIC_QLE824X,
278 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
279 };
280
281 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
282
283 static const
284 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
285
286 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
287 {
288 int size = sizeof(struct qlcnic_host_sds_ring) * count;
289
290 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
291
292 return recv_ctx->sds_rings == NULL;
293 }
294
295 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
296 {
297 kfree(recv_ctx->sds_rings);
298 recv_ctx->sds_rings = NULL;
299 }
300
301 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
302 {
303 struct net_device *netdev = adapter->netdev;
304 struct pci_dev *pdev = adapter->pdev;
305 u8 mac_addr[ETH_ALEN];
306 int ret;
307
308 ret = qlcnic_get_mac_address(adapter, mac_addr,
309 adapter->ahw->pci_func);
310 if (ret)
311 return ret;
312
313 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
314 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
315
316 /* set station address */
317
318 if (!is_valid_ether_addr(netdev->dev_addr))
319 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
320 netdev->dev_addr);
321
322 return 0;
323 }
324
325 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
326 {
327 struct qlcnic_mac_vlan_list *cur;
328 struct list_head *head;
329
330 list_for_each(head, &adapter->mac_list) {
331 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
332 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
333 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
334 0, QLCNIC_MAC_DEL);
335 list_del(&cur->list);
336 kfree(cur);
337 return;
338 }
339 }
340 }
341
342 static int qlcnic_set_mac(struct net_device *netdev, void *p)
343 {
344 struct qlcnic_adapter *adapter = netdev_priv(netdev);
345 struct sockaddr *addr = p;
346
347 if (qlcnic_sriov_vf_check(adapter))
348 return -EINVAL;
349
350 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
351 return -EOPNOTSUPP;
352
353 if (!is_valid_ether_addr(addr->sa_data))
354 return -EINVAL;
355
356 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
357 return 0;
358
359 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
360 netif_device_detach(netdev);
361 qlcnic_napi_disable(adapter);
362 }
363
364 qlcnic_delete_adapter_mac(adapter);
365 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
366 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
367 qlcnic_set_multi(adapter->netdev);
368
369 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
370 netif_device_attach(netdev);
371 qlcnic_napi_enable(adapter);
372 }
373 return 0;
374 }
375
376 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
377 struct net_device *netdev,
378 const unsigned char *addr, u16 vid)
379 {
380 struct qlcnic_adapter *adapter = netdev_priv(netdev);
381 int err = -EOPNOTSUPP;
382
383 if (!adapter->fdb_mac_learn)
384 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
385
386 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
387 qlcnic_sriov_check(adapter)) {
388 if (is_unicast_ether_addr(addr)) {
389 err = dev_uc_del(netdev, addr);
390 if (!err)
391 err = qlcnic_nic_del_mac(adapter, addr);
392 } else if (is_multicast_ether_addr(addr)) {
393 err = dev_mc_del(netdev, addr);
394 } else {
395 err = -EINVAL;
396 }
397 }
398 return err;
399 }
400
401 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
402 struct net_device *netdev,
403 const unsigned char *addr, u16 vid, u16 flags)
404 {
405 struct qlcnic_adapter *adapter = netdev_priv(netdev);
406 int err = 0;
407
408 if (!adapter->fdb_mac_learn)
409 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
410
411 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
412 !qlcnic_sriov_check(adapter)) {
413 pr_info("%s: FDB e-switch is not enabled\n", __func__);
414 return -EOPNOTSUPP;
415 }
416
417 if (ether_addr_equal(addr, adapter->mac_addr))
418 return err;
419
420 if (is_unicast_ether_addr(addr)) {
421 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
422 err = dev_uc_add_excl(netdev, addr);
423 else
424 err = -ENOMEM;
425 } else if (is_multicast_ether_addr(addr)) {
426 err = dev_mc_add_excl(netdev, addr);
427 } else {
428 err = -EINVAL;
429 }
430
431 return err;
432 }
433
434 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
435 struct net_device *netdev,
436 struct net_device *filter_dev, int idx)
437 {
438 struct qlcnic_adapter *adapter = netdev_priv(netdev);
439
440 if (!adapter->fdb_mac_learn)
441 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
442
443 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
444 qlcnic_sriov_check(adapter))
445 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
446
447 return idx;
448 }
449
450 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
451 {
452 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
453 usleep_range(10000, 11000);
454
455 if (!adapter->fw_work.work.func)
456 return;
457
458 cancel_delayed_work_sync(&adapter->fw_work);
459 }
460
461 static int qlcnic_get_phys_port_id(struct net_device *netdev,
462 struct netdev_phys_item_id *ppid)
463 {
464 struct qlcnic_adapter *adapter = netdev_priv(netdev);
465 struct qlcnic_hardware_context *ahw = adapter->ahw;
466
467 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
468 return -EOPNOTSUPP;
469
470 ppid->id_len = sizeof(ahw->phys_port_id);
471 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
472
473 return 0;
474 }
475
476 #ifdef CONFIG_QLCNIC_VXLAN
477 static void qlcnic_add_vxlan_port(struct net_device *netdev,
478 sa_family_t sa_family, __be16 port)
479 {
480 struct qlcnic_adapter *adapter = netdev_priv(netdev);
481 struct qlcnic_hardware_context *ahw = adapter->ahw;
482
483 /* Adapter supports only one VXLAN port. Use very first port
484 * for enabling offload
485 */
486 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
487 return;
488
489 ahw->vxlan_port = ntohs(port);
490 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
491 }
492
493 static void qlcnic_del_vxlan_port(struct net_device *netdev,
494 sa_family_t sa_family, __be16 port)
495 {
496 struct qlcnic_adapter *adapter = netdev_priv(netdev);
497 struct qlcnic_hardware_context *ahw = adapter->ahw;
498
499 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
500 (ahw->vxlan_port != ntohs(port)))
501 return;
502
503 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
504 }
505
506 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
507 struct net_device *dev,
508 netdev_features_t features)
509 {
510 features = vlan_features_check(skb, features);
511 return vxlan_features_check(skb, features);
512 }
513 #endif
514
515 static const struct net_device_ops qlcnic_netdev_ops = {
516 .ndo_open = qlcnic_open,
517 .ndo_stop = qlcnic_close,
518 .ndo_start_xmit = qlcnic_xmit_frame,
519 .ndo_get_stats = qlcnic_get_stats,
520 .ndo_validate_addr = eth_validate_addr,
521 .ndo_set_rx_mode = qlcnic_set_multi,
522 .ndo_set_mac_address = qlcnic_set_mac,
523 .ndo_change_mtu = qlcnic_change_mtu,
524 .ndo_fix_features = qlcnic_fix_features,
525 .ndo_set_features = qlcnic_set_features,
526 .ndo_tx_timeout = qlcnic_tx_timeout,
527 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
528 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
529 .ndo_fdb_add = qlcnic_fdb_add,
530 .ndo_fdb_del = qlcnic_fdb_del,
531 .ndo_fdb_dump = qlcnic_fdb_dump,
532 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
533 #ifdef CONFIG_QLCNIC_VXLAN
534 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
535 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
536 .ndo_features_check = qlcnic_features_check,
537 #endif
538 #ifdef CONFIG_NET_POLL_CONTROLLER
539 .ndo_poll_controller = qlcnic_poll_controller,
540 #endif
541 #ifdef CONFIG_QLCNIC_SRIOV
542 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
543 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
544 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
545 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
546 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
547 #endif
548 };
549
550 static const struct net_device_ops qlcnic_netdev_failed_ops = {
551 .ndo_open = qlcnic_open,
552 };
553
554 static struct qlcnic_nic_template qlcnic_ops = {
555 .config_bridged_mode = qlcnic_config_bridged_mode,
556 .config_led = qlcnic_82xx_config_led,
557 .start_firmware = qlcnic_82xx_start_firmware,
558 .request_reset = qlcnic_82xx_dev_request_reset,
559 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
560 .napi_add = qlcnic_82xx_napi_add,
561 .napi_del = qlcnic_82xx_napi_del,
562 .config_ipaddr = qlcnic_82xx_config_ipaddr,
563 .shutdown = qlcnic_82xx_shutdown,
564 .resume = qlcnic_82xx_resume,
565 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
566 };
567
568 struct qlcnic_nic_template qlcnic_vf_ops = {
569 .config_bridged_mode = qlcnicvf_config_bridged_mode,
570 .config_led = qlcnicvf_config_led,
571 .start_firmware = qlcnicvf_start_firmware
572 };
573
574 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
575 .read_crb = qlcnic_82xx_read_crb,
576 .write_crb = qlcnic_82xx_write_crb,
577 .read_reg = qlcnic_82xx_hw_read_wx_2M,
578 .write_reg = qlcnic_82xx_hw_write_wx_2M,
579 .get_mac_address = qlcnic_82xx_get_mac_address,
580 .setup_intr = qlcnic_82xx_setup_intr,
581 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
582 .mbx_cmd = qlcnic_82xx_issue_cmd,
583 .get_func_no = qlcnic_82xx_get_func_no,
584 .api_lock = qlcnic_82xx_api_lock,
585 .api_unlock = qlcnic_82xx_api_unlock,
586 .add_sysfs = qlcnic_82xx_add_sysfs,
587 .remove_sysfs = qlcnic_82xx_remove_sysfs,
588 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
589 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
590 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
591 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
592 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
593 .setup_link_event = qlcnic_82xx_linkevent_request,
594 .get_nic_info = qlcnic_82xx_get_nic_info,
595 .get_pci_info = qlcnic_82xx_get_pci_info,
596 .set_nic_info = qlcnic_82xx_set_nic_info,
597 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
598 .napi_enable = qlcnic_82xx_napi_enable,
599 .napi_disable = qlcnic_82xx_napi_disable,
600 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
601 .config_rss = qlcnic_82xx_config_rss,
602 .config_hw_lro = qlcnic_82xx_config_hw_lro,
603 .config_loopback = qlcnic_82xx_set_lb_mode,
604 .clear_loopback = qlcnic_82xx_clear_lb_mode,
605 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
606 .change_l2_filter = qlcnic_82xx_change_filter,
607 .get_board_info = qlcnic_82xx_get_board_info,
608 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
609 .free_mac_list = qlcnic_82xx_free_mac_list,
610 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
611 .io_error_detected = qlcnic_82xx_io_error_detected,
612 .io_slot_reset = qlcnic_82xx_io_slot_reset,
613 .io_resume = qlcnic_82xx_io_resume,
614 .get_beacon_state = qlcnic_82xx_get_beacon_state,
615 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
616 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
617 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
618 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
619 .get_saved_state = qlcnic_82xx_get_saved_state,
620 .set_saved_state = qlcnic_82xx_set_saved_state,
621 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
622 .get_cap_size = qlcnic_82xx_get_cap_size,
623 .set_sys_info = qlcnic_82xx_set_sys_info,
624 .store_cap_mask = qlcnic_82xx_store_cap_mask,
625 };
626
627 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
628 {
629 struct qlcnic_hardware_context *ahw = adapter->ahw;
630
631 if (qlcnic_82xx_check(adapter) &&
632 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
633 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
634 return 0;
635 } else {
636 return 1;
637 }
638 }
639
640 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
641 int queue_type)
642 {
643 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
644
645 if (queue_type == QLCNIC_RX_QUEUE)
646 max_rings = adapter->max_sds_rings;
647 else if (queue_type == QLCNIC_TX_QUEUE)
648 max_rings = adapter->max_tx_rings;
649
650 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
651 max_rings));
652
653 if (ring_cnt > num_rings)
654 return num_rings;
655 else
656 return ring_cnt;
657 }
658
659 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
660 {
661 /* 83xx adapter does not have max_tx_rings intialized in probe */
662 if (adapter->max_tx_rings)
663 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
664 QLCNIC_TX_QUEUE);
665 else
666 adapter->drv_tx_rings = tx_cnt;
667 }
668
669 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
670 {
671 /* 83xx adapter does not have max_sds_rings intialized in probe */
672 if (adapter->max_sds_rings)
673 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
674 QLCNIC_RX_QUEUE);
675 else
676 adapter->drv_sds_rings = rx_cnt;
677 }
678
679 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
680 {
681 struct pci_dev *pdev = adapter->pdev;
682 int num_msix = 0, err = 0, vector;
683
684 adapter->flags &= ~QLCNIC_TSS_RSS;
685
686 if (adapter->drv_tss_rings > 0)
687 num_msix += adapter->drv_tss_rings;
688 else
689 num_msix += adapter->drv_tx_rings;
690
691 if (adapter->drv_rss_rings > 0)
692 num_msix += adapter->drv_rss_rings;
693 else
694 num_msix += adapter->drv_sds_rings;
695
696 if (qlcnic_83xx_check(adapter))
697 num_msix += 1;
698
699 if (!adapter->msix_entries) {
700 adapter->msix_entries = kcalloc(num_msix,
701 sizeof(struct msix_entry),
702 GFP_KERNEL);
703 if (!adapter->msix_entries)
704 return -ENOMEM;
705 }
706
707 for (vector = 0; vector < num_msix; vector++)
708 adapter->msix_entries[vector].entry = vector;
709
710 restore:
711 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
712 if (err == -ENOSPC) {
713 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
714 return err;
715
716 netdev_info(adapter->netdev,
717 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
718 num_msix, err);
719
720 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
721
722 /* Set rings to 0 so we can restore original TSS/RSS count */
723 adapter->drv_tss_rings = 0;
724 adapter->drv_rss_rings = 0;
725
726 if (qlcnic_83xx_check(adapter))
727 num_msix += 1;
728
729 netdev_info(adapter->netdev,
730 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
731 adapter->drv_tx_rings, adapter->drv_sds_rings,
732 num_msix);
733
734 goto restore;
735 } else if (err < 0) {
736 return err;
737 }
738
739 adapter->ahw->num_msix = num_msix;
740 if (adapter->drv_tss_rings > 0)
741 adapter->drv_tx_rings = adapter->drv_tss_rings;
742
743 if (adapter->drv_rss_rings > 0)
744 adapter->drv_sds_rings = adapter->drv_rss_rings;
745
746 return 0;
747 }
748
749 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
750 {
751 struct pci_dev *pdev = adapter->pdev;
752 int err, vector;
753
754 if (!adapter->msix_entries) {
755 adapter->msix_entries = kcalloc(num_msix,
756 sizeof(struct msix_entry),
757 GFP_KERNEL);
758 if (!adapter->msix_entries)
759 return -ENOMEM;
760 }
761
762 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
763
764 if (adapter->ahw->msix_supported) {
765 enable_msix:
766 for (vector = 0; vector < num_msix; vector++)
767 adapter->msix_entries[vector].entry = vector;
768
769 err = pci_enable_msix_range(pdev,
770 adapter->msix_entries, 1, num_msix);
771
772 if (err == num_msix) {
773 adapter->flags |= QLCNIC_MSIX_ENABLED;
774 adapter->ahw->num_msix = num_msix;
775 dev_info(&pdev->dev, "using msi-x interrupts\n");
776 return 0;
777 } else if (err > 0) {
778 pci_disable_msix(pdev);
779
780 dev_info(&pdev->dev,
781 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
782 num_msix, err);
783
784 if (qlcnic_82xx_check(adapter)) {
785 num_msix = rounddown_pow_of_two(err);
786 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
787 return -ENOSPC;
788 } else {
789 num_msix = rounddown_pow_of_two(err - 1);
790 num_msix += 1;
791 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
792 return -ENOSPC;
793 }
794
795 if (qlcnic_82xx_check(adapter) &&
796 !qlcnic_check_multi_tx(adapter)) {
797 adapter->drv_sds_rings = num_msix;
798 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
799 } else {
800 /* Distribute vectors equally */
801 adapter->drv_tx_rings = num_msix / 2;
802 adapter->drv_sds_rings = adapter->drv_tx_rings;
803 }
804
805 if (num_msix) {
806 dev_info(&pdev->dev,
807 "Trying to allocate %d MSI-X interrupt vectors\n",
808 num_msix);
809 goto enable_msix;
810 }
811 } else {
812 dev_info(&pdev->dev,
813 "Unable to allocate %d MSI-X vectors, err=%d\n",
814 num_msix, err);
815 return err;
816 }
817 }
818
819 return -EIO;
820 }
821
822 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
823 {
824 int num_msix;
825
826 num_msix = adapter->drv_sds_rings;
827
828 if (qlcnic_check_multi_tx(adapter))
829 num_msix += adapter->drv_tx_rings;
830 else
831 num_msix += QLCNIC_SINGLE_RING;
832
833 return num_msix;
834 }
835
836 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
837 {
838 int err = 0;
839 u32 offset, mask_reg;
840 const struct qlcnic_legacy_intr_set *legacy_intrp;
841 struct qlcnic_hardware_context *ahw = adapter->ahw;
842 struct pci_dev *pdev = adapter->pdev;
843
844 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
845 adapter->flags |= QLCNIC_MSI_ENABLED;
846 offset = msi_tgt_status[adapter->ahw->pci_func];
847 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
848 offset);
849 dev_info(&pdev->dev, "using msi interrupts\n");
850 adapter->msix_entries[0].vector = pdev->irq;
851 return err;
852 }
853
854 if (qlcnic_use_msi || qlcnic_use_msi_x)
855 return -EOPNOTSUPP;
856
857 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
858 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
859 offset = legacy_intrp->tgt_status_reg;
860 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
861 mask_reg = legacy_intrp->tgt_mask_reg;
862 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
863 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
864 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
865 dev_info(&pdev->dev, "using legacy interrupts\n");
866 adapter->msix_entries[0].vector = pdev->irq;
867 return err;
868 }
869
870 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
871 {
872 int num_msix, err = 0;
873
874 if (adapter->flags & QLCNIC_TSS_RSS) {
875 err = qlcnic_setup_tss_rss_intr(adapter);
876 if (err < 0)
877 return err;
878 num_msix = adapter->ahw->num_msix;
879 } else {
880 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
881
882 err = qlcnic_enable_msix(adapter, num_msix);
883 if (err == -ENOMEM)
884 return err;
885
886 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
887 qlcnic_disable_multi_tx(adapter);
888 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
889
890 err = qlcnic_enable_msi_legacy(adapter);
891 if (err)
892 return err;
893 }
894 }
895
896 return 0;
897 }
898
899 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
900 {
901 struct qlcnic_hardware_context *ahw = adapter->ahw;
902 int err, i;
903
904 if (qlcnic_check_multi_tx(adapter) &&
905 !ahw->diag_test &&
906 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
907 ahw->intr_tbl = vzalloc(ahw->num_msix *
908 sizeof(struct qlcnic_intrpt_config));
909 if (!ahw->intr_tbl)
910 return -ENOMEM;
911
912 for (i = 0; i < ahw->num_msix; i++) {
913 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
914 ahw->intr_tbl[i].id = i;
915 ahw->intr_tbl[i].src = 0;
916 }
917
918 err = qlcnic_82xx_config_intrpt(adapter, 1);
919 if (err)
920 dev_err(&adapter->pdev->dev,
921 "Failed to configure Interrupt for %d vector\n",
922 ahw->num_msix);
923 return err;
924 }
925
926 return 0;
927 }
928
929 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
930 {
931 if (adapter->flags & QLCNIC_MSIX_ENABLED)
932 pci_disable_msix(adapter->pdev);
933 if (adapter->flags & QLCNIC_MSI_ENABLED)
934 pci_disable_msi(adapter->pdev);
935
936 kfree(adapter->msix_entries);
937 adapter->msix_entries = NULL;
938
939 if (adapter->ahw->intr_tbl) {
940 vfree(adapter->ahw->intr_tbl);
941 adapter->ahw->intr_tbl = NULL;
942 }
943 }
944
945 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
946 {
947 if (ahw->pci_base0 != NULL)
948 iounmap(ahw->pci_base0);
949 }
950
951 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
952 {
953 struct qlcnic_hardware_context *ahw = adapter->ahw;
954 struct qlcnic_pci_info *pci_info;
955 int ret;
956
957 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
958 switch (ahw->port_type) {
959 case QLCNIC_GBE:
960 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
961 break;
962 case QLCNIC_XGBE:
963 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
964 break;
965 }
966 return 0;
967 }
968
969 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
970 return 0;
971
972 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
973 if (!pci_info)
974 return -ENOMEM;
975
976 ret = qlcnic_get_pci_info(adapter, pci_info);
977 kfree(pci_info);
978 return ret;
979 }
980
981 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
982 {
983 bool ret = false;
984
985 if (qlcnic_84xx_check(adapter)) {
986 ret = true;
987 } else if (qlcnic_83xx_check(adapter)) {
988 if (adapter->ahw->extra_capability[0] &
989 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
990 ret = true;
991 else
992 ret = false;
993 }
994
995 return ret;
996 }
997
998 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
999 {
1000 struct qlcnic_hardware_context *ahw = adapter->ahw;
1001 struct qlcnic_pci_info *pci_info;
1002 int i, id = 0, ret = 0, j = 0;
1003 u16 act_pci_func;
1004 u8 pfn;
1005
1006 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
1007 if (!pci_info)
1008 return -ENOMEM;
1009
1010 ret = qlcnic_get_pci_info(adapter, pci_info);
1011 if (ret)
1012 goto err_pci_info;
1013
1014 act_pci_func = ahw->total_nic_func;
1015
1016 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
1017 act_pci_func, GFP_KERNEL);
1018 if (!adapter->npars) {
1019 ret = -ENOMEM;
1020 goto err_pci_info;
1021 }
1022
1023 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1024 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1025 if (!adapter->eswitch) {
1026 ret = -ENOMEM;
1027 goto err_npars;
1028 }
1029
1030 for (i = 0; i < ahw->max_vnic_func; i++) {
1031 pfn = pci_info[i].id;
1032
1033 if (pfn >= ahw->max_vnic_func) {
1034 ret = -EINVAL;
1035 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1036 __func__, pfn, ahw->max_vnic_func);
1037 goto err_eswitch;
1038 }
1039
1040 if (!pci_info[i].active ||
1041 (pci_info[i].type != QLCNIC_TYPE_NIC))
1042 continue;
1043
1044 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1045 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1046 &id))
1047 adapter->npars[j].eswitch_status = true;
1048 else
1049 continue;
1050 } else {
1051 adapter->npars[j].eswitch_status = true;
1052 }
1053
1054 adapter->npars[j].pci_func = pfn;
1055 adapter->npars[j].active = (u8)pci_info[i].active;
1056 adapter->npars[j].type = (u8)pci_info[i].type;
1057 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1058 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1059 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1060
1061 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1062 j++;
1063 }
1064
1065 /* Update eSwitch status for adapters without per port eSwitch
1066 * configuration capability
1067 */
1068 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1069 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1070 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1071 }
1072
1073 kfree(pci_info);
1074 return 0;
1075
1076 err_eswitch:
1077 kfree(adapter->eswitch);
1078 adapter->eswitch = NULL;
1079 err_npars:
1080 kfree(adapter->npars);
1081 adapter->npars = NULL;
1082 err_pci_info:
1083 kfree(pci_info);
1084
1085 return ret;
1086 }
1087
1088 static int
1089 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1090 {
1091 u8 id;
1092 int ret;
1093 u32 data = QLCNIC_MGMT_FUNC;
1094 struct qlcnic_hardware_context *ahw = adapter->ahw;
1095
1096 ret = qlcnic_api_lock(adapter);
1097 if (ret)
1098 goto err_lock;
1099
1100 id = ahw->pci_func;
1101 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1102 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1103 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1104 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1105 qlcnic_api_unlock(adapter);
1106 err_lock:
1107 return ret;
1108 }
1109
1110 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1111 const struct pci_device_id *ent)
1112 {
1113 u32 op_mode, priv_level;
1114
1115 /* Determine FW API version */
1116 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1117 QLCNIC_FW_API);
1118
1119 /* Find PCI function number */
1120 qlcnic_get_func_no(adapter);
1121
1122 /* Determine function privilege level */
1123 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1124 if (op_mode == QLC_DEV_DRV_DEFAULT)
1125 priv_level = QLCNIC_MGMT_FUNC;
1126 else
1127 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1128
1129 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1130 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1131 dev_info(&adapter->pdev->dev,
1132 "HAL Version: %d Non Privileged function\n",
1133 adapter->ahw->fw_hal_version);
1134 adapter->nic_ops = &qlcnic_vf_ops;
1135 } else
1136 adapter->nic_ops = &qlcnic_ops;
1137 }
1138
1139 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1140 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1141 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1142 {
1143 switch (dev_id) {
1144 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1145 *bar = QLCNIC_82XX_BAR0_LENGTH;
1146 break;
1147 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1148 case PCI_DEVICE_ID_QLOGIC_QLE8830:
1149 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1150 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1151 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1152 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
1153 *bar = QLCNIC_83XX_BAR0_LENGTH;
1154 break;
1155 default:
1156 *bar = 0;
1157 }
1158 }
1159
1160 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1161 struct qlcnic_hardware_context *ahw)
1162 {
1163 u32 offset;
1164 void __iomem *mem_ptr0 = NULL;
1165 unsigned long mem_len, pci_len0 = 0, bar0_len;
1166
1167 /* remap phys address */
1168 mem_len = pci_resource_len(pdev, 0);
1169
1170 qlcnic_get_bar_length(pdev->device, &bar0_len);
1171 if (mem_len >= bar0_len) {
1172
1173 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1174 if (mem_ptr0 == NULL) {
1175 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1176 return -EIO;
1177 }
1178 pci_len0 = mem_len;
1179 } else {
1180 return -EIO;
1181 }
1182
1183 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1184
1185 ahw->pci_base0 = mem_ptr0;
1186 ahw->pci_len0 = pci_len0;
1187 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1188 qlcnic_get_ioaddr(ahw, offset);
1189
1190 return 0;
1191 }
1192
1193 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1194 int index)
1195 {
1196 struct pci_dev *pdev = adapter->pdev;
1197 unsigned short subsystem_vendor;
1198 bool ret = true;
1199
1200 subsystem_vendor = pdev->subsystem_vendor;
1201
1202 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1203 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1204 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1205 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1206 ret = true;
1207 else
1208 ret = false;
1209 }
1210
1211 return ret;
1212 }
1213
1214 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1215 {
1216 struct pci_dev *pdev = adapter->pdev;
1217 int i, found = 0;
1218
1219 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1220 if (qlcnic_boards[i].vendor == pdev->vendor &&
1221 qlcnic_boards[i].device == pdev->device &&
1222 qlcnic_validate_subsystem_id(adapter, i)) {
1223 found = 1;
1224 break;
1225 }
1226 }
1227
1228 if (!found)
1229 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1230 else
1231 sprintf(name, "%pM: %s" , adapter->mac_addr,
1232 qlcnic_boards[i].short_name);
1233 }
1234
1235 static void
1236 qlcnic_check_options(struct qlcnic_adapter *adapter)
1237 {
1238 int err;
1239 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1240 struct pci_dev *pdev = adapter->pdev;
1241 struct qlcnic_hardware_context *ahw = adapter->ahw;
1242 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1243
1244 prev_fw_version = adapter->fw_version;
1245
1246 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1247 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1248 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1249
1250 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1251
1252 err = qlcnic_get_board_info(adapter);
1253 if (err) {
1254 dev_err(&pdev->dev, "Error getting board config info.\n");
1255 return;
1256 }
1257 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1258 if (fw_dump->tmpl_hdr == NULL ||
1259 adapter->fw_version > prev_fw_version) {
1260 vfree(fw_dump->tmpl_hdr);
1261 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1262 dev_info(&pdev->dev,
1263 "Supports FW dump capability\n");
1264 }
1265 }
1266
1267 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1268 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1269
1270 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1271 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1272 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1273 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1274 } else {
1275 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1276 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1277 }
1278
1279 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1280 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1281
1282 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1283 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1284 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1285 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1286 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1287 }
1288
1289 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1290
1291 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1292
1293 adapter->max_rds_rings = MAX_RDS_RINGS;
1294 }
1295
1296 static int
1297 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1298 {
1299 struct qlcnic_info nic_info;
1300 int err = 0;
1301
1302 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1303 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1304 if (err)
1305 return err;
1306
1307 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1308 adapter->ahw->switch_mode = nic_info.switch_mode;
1309 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1310 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1311 adapter->ahw->capabilities = nic_info.capabilities;
1312
1313 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1314 u32 temp;
1315 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1316 if (err == -EIO)
1317 return err;
1318 adapter->ahw->extra_capability[0] = temp;
1319 } else {
1320 adapter->ahw->extra_capability[0] = 0;
1321 }
1322
1323 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1324 adapter->ahw->max_mtu = nic_info.max_mtu;
1325
1326 if (adapter->ahw->capabilities & BIT_6) {
1327 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1328 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1329 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1330 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1331
1332 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1333 } else {
1334 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1335 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1336 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1337 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1338 }
1339
1340 return err;
1341 }
1342
1343 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1344 struct qlcnic_esw_func_cfg *esw_cfg)
1345 {
1346 if (esw_cfg->discard_tagged)
1347 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1348 else
1349 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1350
1351 if (esw_cfg->vlan_id) {
1352 adapter->rx_pvid = esw_cfg->vlan_id;
1353 adapter->tx_pvid = esw_cfg->vlan_id;
1354 } else {
1355 adapter->rx_pvid = 0;
1356 adapter->tx_pvid = 0;
1357 }
1358 }
1359
1360 static int
1361 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1362 {
1363 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1364 int err;
1365
1366 if (qlcnic_sriov_vf_check(adapter)) {
1367 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1368 if (err) {
1369 netdev_err(netdev,
1370 "Cannot add VLAN filter for VLAN id %d, err=%d",
1371 vid, err);
1372 return err;
1373 }
1374 }
1375
1376 set_bit(vid, adapter->vlans);
1377 return 0;
1378 }
1379
1380 static int
1381 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1382 {
1383 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1384 int err;
1385
1386 if (qlcnic_sriov_vf_check(adapter)) {
1387 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1388 if (err) {
1389 netdev_err(netdev,
1390 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1391 vid, err);
1392 return err;
1393 }
1394 }
1395
1396 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1397 clear_bit(vid, adapter->vlans);
1398 return 0;
1399 }
1400
1401 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1402 struct qlcnic_esw_func_cfg *esw_cfg)
1403 {
1404 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1405 QLCNIC_PROMISC_DISABLED);
1406
1407 if (esw_cfg->mac_anti_spoof)
1408 adapter->flags |= QLCNIC_MACSPOOF;
1409
1410 if (!esw_cfg->mac_override)
1411 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1412
1413 if (!esw_cfg->promisc_mode)
1414 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1415 }
1416
1417 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1418 {
1419 struct qlcnic_esw_func_cfg esw_cfg;
1420
1421 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1422 return 0;
1423
1424 esw_cfg.pci_func = adapter->ahw->pci_func;
1425 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1426 return -EIO;
1427 qlcnic_set_vlan_config(adapter, &esw_cfg);
1428 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1429 qlcnic_set_netdev_features(adapter, &esw_cfg);
1430
1431 return 0;
1432 }
1433
1434 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1435 struct qlcnic_esw_func_cfg *esw_cfg)
1436 {
1437 struct net_device *netdev = adapter->netdev;
1438
1439 if (qlcnic_83xx_check(adapter))
1440 return;
1441
1442 adapter->offload_flags = esw_cfg->offload_flags;
1443 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1444 netdev_update_features(netdev);
1445 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1446 }
1447
1448 static int
1449 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1450 {
1451 u32 op_mode, priv_level;
1452 int err = 0;
1453
1454 err = qlcnic_initialize_nic(adapter);
1455 if (err)
1456 return err;
1457
1458 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1459 return 0;
1460
1461 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1462 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1463
1464 if (op_mode == QLC_DEV_DRV_DEFAULT)
1465 priv_level = QLCNIC_MGMT_FUNC;
1466 else
1467 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1468
1469 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1470 if (priv_level == QLCNIC_MGMT_FUNC) {
1471 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1472 err = qlcnic_init_pci_info(adapter);
1473 if (err)
1474 return err;
1475 /* Set privilege level for other functions */
1476 qlcnic_set_function_modes(adapter);
1477 dev_info(&adapter->pdev->dev,
1478 "HAL Version: %d, Management function\n",
1479 adapter->ahw->fw_hal_version);
1480 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1481 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1482 dev_info(&adapter->pdev->dev,
1483 "HAL Version: %d, Privileged function\n",
1484 adapter->ahw->fw_hal_version);
1485 }
1486 } else {
1487 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1488 }
1489
1490 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1491
1492 return err;
1493 }
1494
1495 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1496 {
1497 struct qlcnic_esw_func_cfg esw_cfg;
1498 struct qlcnic_npar_info *npar;
1499 u8 i;
1500
1501 if (adapter->need_fw_reset)
1502 return 0;
1503
1504 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1505 if (!adapter->npars[i].eswitch_status)
1506 continue;
1507
1508 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1509 esw_cfg.pci_func = adapter->npars[i].pci_func;
1510 esw_cfg.mac_override = BIT_0;
1511 esw_cfg.promisc_mode = BIT_0;
1512 if (qlcnic_82xx_check(adapter)) {
1513 esw_cfg.offload_flags = BIT_0;
1514 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1515 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1516 }
1517 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1518 return -EIO;
1519 npar = &adapter->npars[i];
1520 npar->pvid = esw_cfg.vlan_id;
1521 npar->mac_override = esw_cfg.mac_override;
1522 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1523 npar->discard_tagged = esw_cfg.discard_tagged;
1524 npar->promisc_mode = esw_cfg.promisc_mode;
1525 npar->offload_flags = esw_cfg.offload_flags;
1526 }
1527
1528 return 0;
1529 }
1530
1531
1532 static int
1533 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1534 struct qlcnic_npar_info *npar, int pci_func)
1535 {
1536 struct qlcnic_esw_func_cfg esw_cfg;
1537 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1538 esw_cfg.pci_func = pci_func;
1539 esw_cfg.vlan_id = npar->pvid;
1540 esw_cfg.mac_override = npar->mac_override;
1541 esw_cfg.discard_tagged = npar->discard_tagged;
1542 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1543 esw_cfg.offload_flags = npar->offload_flags;
1544 esw_cfg.promisc_mode = npar->promisc_mode;
1545 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1546 return -EIO;
1547
1548 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1549 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1550 return -EIO;
1551
1552 return 0;
1553 }
1554
1555 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1556 {
1557 int i, err;
1558 struct qlcnic_npar_info *npar;
1559 struct qlcnic_info nic_info;
1560 u8 pci_func;
1561
1562 if (qlcnic_82xx_check(adapter))
1563 if (!adapter->need_fw_reset)
1564 return 0;
1565
1566 /* Set the NPAR config data after FW reset */
1567 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1568 npar = &adapter->npars[i];
1569 pci_func = npar->pci_func;
1570 if (!adapter->npars[i].eswitch_status)
1571 continue;
1572
1573 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1574 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1575 if (err)
1576 return err;
1577 nic_info.min_tx_bw = npar->min_bw;
1578 nic_info.max_tx_bw = npar->max_bw;
1579 err = qlcnic_set_nic_info(adapter, &nic_info);
1580 if (err)
1581 return err;
1582
1583 if (npar->enable_pm) {
1584 err = qlcnic_config_port_mirroring(adapter,
1585 npar->dest_npar, 1,
1586 pci_func);
1587 if (err)
1588 return err;
1589 }
1590 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1591 if (err)
1592 return err;
1593 }
1594 return 0;
1595 }
1596
1597 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1598 {
1599 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1600 u32 npar_state;
1601
1602 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1603 return 0;
1604
1605 npar_state = QLC_SHARED_REG_RD32(adapter,
1606 QLCNIC_CRB_DEV_NPAR_STATE);
1607 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1608 msleep(1000);
1609 npar_state = QLC_SHARED_REG_RD32(adapter,
1610 QLCNIC_CRB_DEV_NPAR_STATE);
1611 }
1612 if (!npar_opt_timeo) {
1613 dev_err(&adapter->pdev->dev,
1614 "Waiting for NPAR state to operational timeout\n");
1615 return -EIO;
1616 }
1617 return 0;
1618 }
1619
1620 static int
1621 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1622 {
1623 int err;
1624
1625 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1626 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1627 return 0;
1628
1629 err = qlcnic_set_default_offload_settings(adapter);
1630 if (err)
1631 return err;
1632
1633 err = qlcnic_reset_npar_config(adapter);
1634 if (err)
1635 return err;
1636
1637 qlcnic_dev_set_npar_ready(adapter);
1638
1639 return err;
1640 }
1641
1642 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1643 {
1644 int err;
1645
1646 err = qlcnic_can_start_firmware(adapter);
1647 if (err < 0)
1648 return err;
1649 else if (!err)
1650 goto check_fw_status;
1651
1652 if (qlcnic_load_fw_file)
1653 qlcnic_request_firmware(adapter);
1654 else {
1655 err = qlcnic_check_flash_fw_ver(adapter);
1656 if (err)
1657 goto err_out;
1658
1659 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1660 }
1661
1662 err = qlcnic_need_fw_reset(adapter);
1663 if (err == 0)
1664 goto check_fw_status;
1665
1666 err = qlcnic_pinit_from_rom(adapter);
1667 if (err)
1668 goto err_out;
1669
1670 err = qlcnic_load_firmware(adapter);
1671 if (err)
1672 goto err_out;
1673
1674 qlcnic_release_firmware(adapter);
1675 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1676
1677 check_fw_status:
1678 err = qlcnic_check_fw_status(adapter);
1679 if (err)
1680 goto err_out;
1681
1682 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1683 qlcnic_idc_debug_info(adapter, 1);
1684 err = qlcnic_check_eswitch_mode(adapter);
1685 if (err) {
1686 dev_err(&adapter->pdev->dev,
1687 "Memory allocation failed for eswitch\n");
1688 goto err_out;
1689 }
1690 err = qlcnic_set_mgmt_operations(adapter);
1691 if (err)
1692 goto err_out;
1693
1694 qlcnic_check_options(adapter);
1695 adapter->need_fw_reset = 0;
1696
1697 qlcnic_release_firmware(adapter);
1698 return 0;
1699
1700 err_out:
1701 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1702 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1703
1704 qlcnic_release_firmware(adapter);
1705 return err;
1706 }
1707
1708 static int
1709 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1710 {
1711 irq_handler_t handler;
1712 struct qlcnic_host_sds_ring *sds_ring;
1713 struct qlcnic_host_tx_ring *tx_ring;
1714 int err, ring, num_sds_rings;
1715
1716 unsigned long flags = 0;
1717 struct net_device *netdev = adapter->netdev;
1718 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1719
1720 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1721 if (qlcnic_82xx_check(adapter))
1722 handler = qlcnic_tmp_intr;
1723 else
1724 handler = qlcnic_83xx_tmp_intr;
1725 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1726 flags |= IRQF_SHARED;
1727
1728 } else {
1729 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1730 handler = qlcnic_msix_intr;
1731 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1732 handler = qlcnic_msi_intr;
1733 else {
1734 flags |= IRQF_SHARED;
1735 if (qlcnic_82xx_check(adapter))
1736 handler = qlcnic_intr;
1737 else
1738 handler = qlcnic_83xx_intr;
1739 }
1740 }
1741 adapter->irq = netdev->irq;
1742
1743 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1744 if (qlcnic_82xx_check(adapter) ||
1745 (qlcnic_83xx_check(adapter) &&
1746 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1747 num_sds_rings = adapter->drv_sds_rings;
1748 for (ring = 0; ring < num_sds_rings; ring++) {
1749 sds_ring = &recv_ctx->sds_rings[ring];
1750 if (qlcnic_82xx_check(adapter) &&
1751 !qlcnic_check_multi_tx(adapter) &&
1752 (ring == (num_sds_rings - 1))) {
1753 if (!(adapter->flags &
1754 QLCNIC_MSIX_ENABLED))
1755 snprintf(sds_ring->name,
1756 sizeof(sds_ring->name),
1757 "qlcnic");
1758 else
1759 snprintf(sds_ring->name,
1760 sizeof(sds_ring->name),
1761 "%s-tx-0-rx-%d",
1762 netdev->name, ring);
1763 } else {
1764 snprintf(sds_ring->name,
1765 sizeof(sds_ring->name),
1766 "%s-rx-%d",
1767 netdev->name, ring);
1768 }
1769 err = request_irq(sds_ring->irq, handler, flags,
1770 sds_ring->name, sds_ring);
1771 if (err)
1772 return err;
1773 }
1774 }
1775 if ((qlcnic_82xx_check(adapter) &&
1776 qlcnic_check_multi_tx(adapter)) ||
1777 (qlcnic_83xx_check(adapter) &&
1778 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1779 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1780 handler = qlcnic_msix_tx_intr;
1781 for (ring = 0; ring < adapter->drv_tx_rings;
1782 ring++) {
1783 tx_ring = &adapter->tx_ring[ring];
1784 snprintf(tx_ring->name, sizeof(tx_ring->name),
1785 "%s-tx-%d", netdev->name, ring);
1786 err = request_irq(tx_ring->irq, handler, flags,
1787 tx_ring->name, tx_ring);
1788 if (err)
1789 return err;
1790 }
1791 }
1792 }
1793 return 0;
1794 }
1795
1796 static void
1797 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1798 {
1799 int ring;
1800 struct qlcnic_host_sds_ring *sds_ring;
1801 struct qlcnic_host_tx_ring *tx_ring;
1802
1803 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1804
1805 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1806 if (qlcnic_82xx_check(adapter) ||
1807 (qlcnic_83xx_check(adapter) &&
1808 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1809 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1810 sds_ring = &recv_ctx->sds_rings[ring];
1811 free_irq(sds_ring->irq, sds_ring);
1812 }
1813 }
1814 if ((qlcnic_83xx_check(adapter) &&
1815 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1816 (qlcnic_82xx_check(adapter) &&
1817 qlcnic_check_multi_tx(adapter))) {
1818 for (ring = 0; ring < adapter->drv_tx_rings;
1819 ring++) {
1820 tx_ring = &adapter->tx_ring[ring];
1821 if (tx_ring->irq)
1822 free_irq(tx_ring->irq, tx_ring);
1823 }
1824 }
1825 }
1826 }
1827
1828 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1829 {
1830 u32 capab = 0;
1831
1832 if (qlcnic_82xx_check(adapter)) {
1833 if (adapter->ahw->extra_capability[0] &
1834 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1835 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1836 } else {
1837 capab = adapter->ahw->capabilities;
1838 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1839 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1840 }
1841 }
1842
1843 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1844 {
1845 struct qlcnic_hardware_context *ahw = adapter->ahw;
1846 int err;
1847
1848 /* Initialize interrupt coalesce parameters */
1849 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1850
1851 if (qlcnic_83xx_check(adapter)) {
1852 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1853 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1854 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1855 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1856 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1857
1858 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1859 } else {
1860 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1861 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1862 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1863
1864 err = qlcnic_82xx_set_rx_coalesce(adapter);
1865 }
1866
1867 return err;
1868 }
1869
1870 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1871 {
1872 int ring;
1873 struct qlcnic_host_rds_ring *rds_ring;
1874
1875 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1876 return -EIO;
1877
1878 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1879 return 0;
1880
1881 if (qlcnic_set_eswitch_port_config(adapter))
1882 return -EIO;
1883
1884 qlcnic_get_lro_mss_capability(adapter);
1885
1886 if (qlcnic_fw_create_ctx(adapter))
1887 return -EIO;
1888
1889 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1890 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1891 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1892 }
1893
1894 qlcnic_set_multi(netdev);
1895 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1896
1897 adapter->ahw->linkup = 0;
1898
1899 if (adapter->drv_sds_rings > 1)
1900 qlcnic_config_rss(adapter, 1);
1901
1902 qlcnic_config_def_intr_coalesce(adapter);
1903
1904 if (netdev->features & NETIF_F_LRO)
1905 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1906
1907 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1908 qlcnic_napi_enable(adapter);
1909
1910 qlcnic_linkevent_request(adapter, 1);
1911
1912 adapter->ahw->reset_context = 0;
1913 netif_tx_start_all_queues(netdev);
1914 return 0;
1915 }
1916
1917 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1918 {
1919 int err = 0;
1920
1921 rtnl_lock();
1922 if (netif_running(netdev))
1923 err = __qlcnic_up(adapter, netdev);
1924 rtnl_unlock();
1925
1926 return err;
1927 }
1928
1929 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1930 {
1931 int ring;
1932
1933 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1934 return;
1935
1936 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1937 return;
1938
1939 smp_mb();
1940 netif_carrier_off(netdev);
1941 adapter->ahw->linkup = 0;
1942 netif_tx_disable(netdev);
1943
1944 qlcnic_free_mac_list(adapter);
1945
1946 if (adapter->fhash.fnum)
1947 qlcnic_delete_lb_filters(adapter);
1948
1949 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1950 if (qlcnic_sriov_vf_check(adapter))
1951 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1952
1953 qlcnic_napi_disable(adapter);
1954
1955 qlcnic_fw_destroy_ctx(adapter);
1956 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1957
1958 qlcnic_reset_rx_buffers_list(adapter);
1959
1960 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1961 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1962 }
1963
1964 /* Usage: During suspend and firmware recovery module */
1965
1966 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1967 {
1968 rtnl_lock();
1969 if (netif_running(netdev))
1970 __qlcnic_down(adapter, netdev);
1971 rtnl_unlock();
1972
1973 }
1974
1975 int
1976 qlcnic_attach(struct qlcnic_adapter *adapter)
1977 {
1978 struct net_device *netdev = adapter->netdev;
1979 struct pci_dev *pdev = adapter->pdev;
1980 int err;
1981
1982 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1983 return 0;
1984
1985 err = qlcnic_napi_add(adapter, netdev);
1986 if (err)
1987 return err;
1988
1989 err = qlcnic_alloc_sw_resources(adapter);
1990 if (err) {
1991 dev_err(&pdev->dev, "Error in setting sw resources\n");
1992 goto err_out_napi_del;
1993 }
1994
1995 err = qlcnic_alloc_hw_resources(adapter);
1996 if (err) {
1997 dev_err(&pdev->dev, "Error in setting hw resources\n");
1998 goto err_out_free_sw;
1999 }
2000
2001 err = qlcnic_request_irq(adapter);
2002 if (err) {
2003 dev_err(&pdev->dev, "failed to setup interrupt\n");
2004 goto err_out_free_hw;
2005 }
2006
2007 qlcnic_create_sysfs_entries(adapter);
2008
2009 #ifdef CONFIG_QLCNIC_VXLAN
2010 if (qlcnic_encap_rx_offload(adapter))
2011 vxlan_get_rx_port(netdev);
2012 #endif
2013
2014 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2015 return 0;
2016
2017 err_out_free_hw:
2018 qlcnic_free_hw_resources(adapter);
2019 err_out_free_sw:
2020 qlcnic_free_sw_resources(adapter);
2021 err_out_napi_del:
2022 qlcnic_napi_del(adapter);
2023 return err;
2024 }
2025
2026 void qlcnic_detach(struct qlcnic_adapter *adapter)
2027 {
2028 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2029 return;
2030
2031 qlcnic_remove_sysfs_entries(adapter);
2032
2033 qlcnic_free_hw_resources(adapter);
2034 qlcnic_release_rx_buffers(adapter);
2035 qlcnic_free_irq(adapter);
2036 qlcnic_napi_del(adapter);
2037 qlcnic_free_sw_resources(adapter);
2038
2039 adapter->is_up = 0;
2040 }
2041
2042 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2043 {
2044 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2045 struct qlcnic_host_sds_ring *sds_ring;
2046 int drv_tx_rings = adapter->drv_tx_rings;
2047 int ring;
2048
2049 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2050 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2051 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2052 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2053 qlcnic_disable_sds_intr(adapter, sds_ring);
2054 }
2055 }
2056
2057 qlcnic_fw_destroy_ctx(adapter);
2058
2059 qlcnic_detach(adapter);
2060
2061 adapter->ahw->diag_test = 0;
2062 adapter->drv_sds_rings = drv_sds_rings;
2063 adapter->drv_tx_rings = drv_tx_rings;
2064
2065 if (qlcnic_attach(adapter))
2066 goto out;
2067
2068 if (netif_running(netdev))
2069 __qlcnic_up(adapter, netdev);
2070 out:
2071 netif_device_attach(netdev);
2072 }
2073
2074 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2075 {
2076 struct qlcnic_hardware_context *ahw = adapter->ahw;
2077 int err = 0;
2078
2079 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2080 GFP_KERNEL);
2081 if (!adapter->recv_ctx) {
2082 err = -ENOMEM;
2083 goto err_out;
2084 }
2085
2086 if (qlcnic_83xx_check(adapter)) {
2087 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2088 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2089 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2090 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2091 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2092 } else {
2093 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2094 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2095 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2096 }
2097
2098 /* clear stats */
2099 memset(&adapter->stats, 0, sizeof(adapter->stats));
2100 err_out:
2101 return err;
2102 }
2103
2104 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2105 {
2106 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2107
2108 kfree(adapter->recv_ctx);
2109 adapter->recv_ctx = NULL;
2110
2111 if (fw_dump->tmpl_hdr) {
2112 vfree(fw_dump->tmpl_hdr);
2113 fw_dump->tmpl_hdr = NULL;
2114 }
2115
2116 if (fw_dump->dma_buffer) {
2117 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2118 fw_dump->dma_buffer, fw_dump->phys_addr);
2119 fw_dump->dma_buffer = NULL;
2120 }
2121
2122 kfree(adapter->ahw->reset.buff);
2123 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2124 }
2125
2126 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2127 {
2128 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2129 struct qlcnic_host_sds_ring *sds_ring;
2130 struct qlcnic_host_rds_ring *rds_ring;
2131 int ring;
2132 int ret;
2133
2134 netif_device_detach(netdev);
2135
2136 if (netif_running(netdev))
2137 __qlcnic_down(adapter, netdev);
2138
2139 qlcnic_detach(adapter);
2140
2141 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2142 adapter->ahw->diag_test = test;
2143 adapter->ahw->linkup = 0;
2144
2145 ret = qlcnic_attach(adapter);
2146 if (ret) {
2147 netif_device_attach(netdev);
2148 return ret;
2149 }
2150
2151 ret = qlcnic_fw_create_ctx(adapter);
2152 if (ret) {
2153 qlcnic_detach(adapter);
2154 netif_device_attach(netdev);
2155 return ret;
2156 }
2157
2158 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2159 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2160 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2161 }
2162
2163 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2164 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2165 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2166 qlcnic_enable_sds_intr(adapter, sds_ring);
2167 }
2168 }
2169
2170 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2171 adapter->ahw->loopback_state = 0;
2172 qlcnic_linkevent_request(adapter, 1);
2173 }
2174
2175 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2176
2177 return 0;
2178 }
2179
2180 /* Reset context in hardware only */
2181 static int
2182 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2183 {
2184 struct net_device *netdev = adapter->netdev;
2185
2186 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2187 return -EBUSY;
2188
2189 netif_device_detach(netdev);
2190
2191 qlcnic_down(adapter, netdev);
2192
2193 qlcnic_up(adapter, netdev);
2194
2195 netif_device_attach(netdev);
2196
2197 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2198 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2199 return 0;
2200 }
2201
2202 int
2203 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2204 {
2205 int err = 0;
2206 struct net_device *netdev = adapter->netdev;
2207
2208 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2209 return -EBUSY;
2210
2211 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2212
2213 netif_device_detach(netdev);
2214
2215 if (netif_running(netdev))
2216 __qlcnic_down(adapter, netdev);
2217
2218 qlcnic_detach(adapter);
2219
2220 if (netif_running(netdev)) {
2221 err = qlcnic_attach(adapter);
2222 if (!err) {
2223 __qlcnic_up(adapter, netdev);
2224 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2225 }
2226 }
2227
2228 netif_device_attach(netdev);
2229 }
2230
2231 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2232 return err;
2233 }
2234
2235 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2236 {
2237 struct qlcnic_hardware_context *ahw = adapter->ahw;
2238 u16 act_pci_fn = ahw->total_nic_func;
2239 u16 count;
2240
2241 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2242 if (act_pci_fn <= 2)
2243 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2244 act_pci_fn;
2245 else
2246 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2247 act_pci_fn;
2248 ahw->max_uc_count = count;
2249 }
2250
2251 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2252 u8 tx_queues, u8 rx_queues)
2253 {
2254 struct net_device *netdev = adapter->netdev;
2255 int err = 0;
2256
2257 if (tx_queues) {
2258 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2259 if (err) {
2260 netdev_err(netdev, "failed to set %d Tx queues\n",
2261 tx_queues);
2262 return err;
2263 }
2264 }
2265
2266 if (rx_queues) {
2267 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2268 if (err)
2269 netdev_err(netdev, "failed to set %d Rx queues\n",
2270 rx_queues);
2271 }
2272
2273 return err;
2274 }
2275
2276 int
2277 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2278 int pci_using_dac)
2279 {
2280 int err;
2281 struct pci_dev *pdev = adapter->pdev;
2282
2283 adapter->rx_csum = 1;
2284 adapter->ahw->mc_enabled = 0;
2285 qlcnic_set_mac_filter_count(adapter);
2286
2287 netdev->netdev_ops = &qlcnic_netdev_ops;
2288 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2289
2290 qlcnic_change_mtu(netdev, netdev->mtu);
2291
2292 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2293 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2294
2295 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2296 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2297 NETIF_F_HW_VLAN_CTAG_RX);
2298 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2299 NETIF_F_IPV6_CSUM);
2300
2301 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2302 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2303 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2304 }
2305
2306 if (pci_using_dac) {
2307 netdev->features |= NETIF_F_HIGHDMA;
2308 netdev->vlan_features |= NETIF_F_HIGHDMA;
2309 }
2310
2311 if (qlcnic_vlan_tx_check(adapter))
2312 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2313
2314 if (qlcnic_sriov_vf_check(adapter))
2315 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2316
2317 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2318 netdev->features |= NETIF_F_LRO;
2319
2320 if (qlcnic_encap_tx_offload(adapter)) {
2321 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2322
2323 /* encapsulation Tx offload supported by Adapter */
2324 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2325 NETIF_F_GSO_UDP_TUNNEL |
2326 NETIF_F_TSO |
2327 NETIF_F_TSO6;
2328 }
2329
2330 if (qlcnic_encap_rx_offload(adapter))
2331 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2332
2333 netdev->hw_features = netdev->features;
2334 netdev->priv_flags |= IFF_UNICAST_FLT;
2335 netdev->irq = adapter->msix_entries[0].vector;
2336
2337 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2338 adapter->drv_sds_rings);
2339 if (err)
2340 return err;
2341
2342 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2343
2344 err = register_netdev(netdev);
2345 if (err) {
2346 dev_err(&pdev->dev, "failed to register net device\n");
2347 return err;
2348 }
2349
2350 return 0;
2351 }
2352
2353 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2354 {
2355 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2356 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2357 *pci_using_dac = 1;
2358 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2359 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2360 *pci_using_dac = 0;
2361 else {
2362 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2363 return -EIO;
2364 }
2365
2366 return 0;
2367 }
2368
2369 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2370 {
2371 int ring;
2372 struct qlcnic_host_tx_ring *tx_ring;
2373
2374 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2375 tx_ring = &adapter->tx_ring[ring];
2376 if (tx_ring) {
2377 vfree(tx_ring->cmd_buf_arr);
2378 tx_ring->cmd_buf_arr = NULL;
2379 }
2380 }
2381 kfree(adapter->tx_ring);
2382 }
2383
2384 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2385 struct net_device *netdev)
2386 {
2387 int ring, vector, index;
2388 struct qlcnic_host_tx_ring *tx_ring;
2389 struct qlcnic_cmd_buffer *cmd_buf_arr;
2390
2391 tx_ring = kcalloc(adapter->drv_tx_rings,
2392 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2393 if (tx_ring == NULL)
2394 return -ENOMEM;
2395
2396 adapter->tx_ring = tx_ring;
2397
2398 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2399 tx_ring = &adapter->tx_ring[ring];
2400 tx_ring->num_desc = adapter->num_txd;
2401 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2402 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2403 if (cmd_buf_arr == NULL) {
2404 qlcnic_free_tx_rings(adapter);
2405 return -ENOMEM;
2406 }
2407 tx_ring->cmd_buf_arr = cmd_buf_arr;
2408 spin_lock_init(&tx_ring->tx_clean_lock);
2409 }
2410
2411 if (qlcnic_83xx_check(adapter) ||
2412 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2413 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2414 tx_ring = &adapter->tx_ring[ring];
2415 tx_ring->adapter = adapter;
2416 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2417 index = adapter->drv_sds_rings + ring;
2418 vector = adapter->msix_entries[index].vector;
2419 tx_ring->irq = vector;
2420 }
2421 }
2422 }
2423
2424 return 0;
2425 }
2426
2427 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2428 {
2429 struct qlcnic_hardware_context *ahw = adapter->ahw;
2430 u32 fw_cmd = 0;
2431
2432 if (qlcnic_82xx_check(adapter))
2433 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2434 else if (qlcnic_83xx_check(adapter))
2435 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2436
2437 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2438 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2439 }
2440
2441 /* Reset firmware API lock */
2442 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2443 {
2444 qlcnic_api_lock(adapter);
2445 qlcnic_api_unlock(adapter);
2446 }
2447
2448
2449 static int
2450 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2451 {
2452 struct net_device *netdev = NULL;
2453 struct qlcnic_adapter *adapter = NULL;
2454 struct qlcnic_hardware_context *ahw;
2455 int err, pci_using_dac = -1;
2456 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2457
2458 err = pci_enable_device(pdev);
2459 if (err)
2460 return err;
2461
2462 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2463 err = -ENODEV;
2464 goto err_out_disable_pdev;
2465 }
2466
2467 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2468 if (err)
2469 goto err_out_disable_pdev;
2470
2471 err = pci_request_regions(pdev, qlcnic_driver_name);
2472 if (err)
2473 goto err_out_disable_pdev;
2474
2475 pci_set_master(pdev);
2476 pci_enable_pcie_error_reporting(pdev);
2477
2478 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2479 if (!ahw) {
2480 err = -ENOMEM;
2481 goto err_out_free_res;
2482 }
2483
2484 switch (ent->device) {
2485 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2486 ahw->hw_ops = &qlcnic_hw_ops;
2487 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2488 break;
2489 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2490 case PCI_DEVICE_ID_QLOGIC_QLE8830:
2491 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2492 qlcnic_83xx_register_map(ahw);
2493 break;
2494 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2495 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
2496 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2497 qlcnic_sriov_vf_register_map(ahw);
2498 break;
2499 default:
2500 goto err_out_free_hw_res;
2501 }
2502
2503 err = qlcnic_setup_pci_map(pdev, ahw);
2504 if (err)
2505 goto err_out_free_hw_res;
2506
2507 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2508 QLCNIC_MAX_TX_RINGS);
2509 if (!netdev) {
2510 err = -ENOMEM;
2511 goto err_out_iounmap;
2512 }
2513
2514 SET_NETDEV_DEV(netdev, &pdev->dev);
2515
2516 adapter = netdev_priv(netdev);
2517 adapter->netdev = netdev;
2518 adapter->pdev = pdev;
2519 adapter->ahw = ahw;
2520
2521 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2522 if (adapter->qlcnic_wq == NULL) {
2523 err = -ENOMEM;
2524 dev_err(&pdev->dev, "Failed to create workqueue\n");
2525 goto err_out_free_netdev;
2526 }
2527
2528 err = qlcnic_alloc_adapter_resources(adapter);
2529 if (err)
2530 goto err_out_free_wq;
2531
2532 adapter->dev_rst_time = jiffies;
2533 ahw->revision_id = pdev->revision;
2534 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2535 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2536 adapter->fdb_mac_learn = true;
2537 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2538 adapter->drv_mac_learn = true;
2539
2540 rwlock_init(&adapter->ahw->crb_lock);
2541 mutex_init(&adapter->ahw->mem_lock);
2542
2543 INIT_LIST_HEAD(&adapter->mac_list);
2544
2545 qlcnic_register_dcb(adapter);
2546
2547 if (qlcnic_82xx_check(adapter)) {
2548 qlcnic_check_vf(adapter, ent);
2549 adapter->portnum = adapter->ahw->pci_func;
2550 qlcnic_reset_api_lock(adapter);
2551 err = qlcnic_start_firmware(adapter);
2552 if (err) {
2553 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2554 "\t\tIf reboot doesn't help, try flashing the card\n");
2555 goto err_out_maintenance_mode;
2556 }
2557
2558 /* compute and set default and max tx/sds rings */
2559 if (adapter->ahw->msix_supported) {
2560 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2561 qlcnic_set_tx_ring_count(adapter,
2562 QLCNIC_SINGLE_RING);
2563 else
2564 qlcnic_set_tx_ring_count(adapter,
2565 QLCNIC_DEF_TX_RINGS);
2566 qlcnic_set_sds_ring_count(adapter,
2567 QLCNIC_DEF_SDS_RINGS);
2568 } else {
2569 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2570 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2571 }
2572
2573 err = qlcnic_setup_idc_param(adapter);
2574 if (err)
2575 goto err_out_free_hw;
2576
2577 adapter->flags |= QLCNIC_NEED_FLR;
2578
2579 } else if (qlcnic_83xx_check(adapter)) {
2580 qlcnic_83xx_check_vf(adapter, ent);
2581 adapter->portnum = adapter->ahw->pci_func;
2582 err = qlcnic_83xx_init(adapter, pci_using_dac);
2583 if (err) {
2584 switch (err) {
2585 case -ENOTRECOVERABLE:
2586 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2587 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2588 goto err_out_free_hw;
2589 case -ENOMEM:
2590 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2591 goto err_out_free_hw;
2592 case -EOPNOTSUPP:
2593 dev_err(&pdev->dev, "Adapter initialization failed\n");
2594 goto err_out_free_hw;
2595 default:
2596 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2597 goto err_out_maintenance_mode;
2598 }
2599 }
2600
2601 if (qlcnic_sriov_vf_check(adapter))
2602 return 0;
2603 } else {
2604 dev_err(&pdev->dev,
2605 "%s: failed. Please Reboot\n", __func__);
2606 err = -ENODEV;
2607 goto err_out_free_hw;
2608 }
2609
2610 if (qlcnic_read_mac_addr(adapter))
2611 dev_warn(&pdev->dev, "failed to read mac addr\n");
2612
2613 qlcnic_read_phys_port_id(adapter);
2614
2615 if (adapter->portnum == 0) {
2616 qlcnic_get_board_name(adapter, board_name);
2617
2618 pr_info("%s: %s Board Chip rev 0x%x\n",
2619 module_name(THIS_MODULE),
2620 board_name, adapter->ahw->revision_id);
2621 }
2622
2623 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2624 !!qlcnic_use_msi)
2625 dev_warn(&pdev->dev,
2626 "Device does not support MSI interrupts\n");
2627
2628 if (qlcnic_82xx_check(adapter)) {
2629 qlcnic_dcb_enable(adapter->dcb);
2630 qlcnic_dcb_get_info(adapter->dcb);
2631 err = qlcnic_setup_intr(adapter);
2632
2633 if (err) {
2634 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2635 goto err_out_disable_msi;
2636 }
2637 }
2638
2639 err = qlcnic_get_act_pci_func(adapter);
2640 if (err)
2641 goto err_out_disable_mbx_intr;
2642
2643 if (adapter->portnum == 0)
2644 qlcnic_set_drv_version(adapter);
2645
2646 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2647 if (err)
2648 goto err_out_disable_mbx_intr;
2649
2650 pci_set_drvdata(pdev, adapter);
2651
2652 if (qlcnic_82xx_check(adapter))
2653 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2654 FW_POLL_DELAY);
2655
2656 switch (adapter->ahw->port_type) {
2657 case QLCNIC_GBE:
2658 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2659 adapter->netdev->name);
2660 break;
2661 case QLCNIC_XGBE:
2662 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2663 adapter->netdev->name);
2664 break;
2665 }
2666
2667 if (adapter->drv_mac_learn)
2668 qlcnic_alloc_lb_filters_mem(adapter);
2669
2670 qlcnic_add_sysfs(adapter);
2671 qlcnic_register_hwmon_dev(adapter);
2672 return 0;
2673
2674 err_out_disable_mbx_intr:
2675 if (qlcnic_83xx_check(adapter))
2676 qlcnic_83xx_free_mbx_intr(adapter);
2677
2678 err_out_disable_msi:
2679 qlcnic_teardown_intr(adapter);
2680 qlcnic_cancel_idc_work(adapter);
2681 qlcnic_clr_all_drv_state(adapter, 0);
2682
2683 err_out_free_hw:
2684 qlcnic_free_adapter_resources(adapter);
2685
2686 err_out_free_wq:
2687 destroy_workqueue(adapter->qlcnic_wq);
2688
2689 err_out_free_netdev:
2690 free_netdev(netdev);
2691
2692 err_out_iounmap:
2693 qlcnic_cleanup_pci_map(ahw);
2694
2695 err_out_free_hw_res:
2696 kfree(ahw);
2697
2698 err_out_free_res:
2699 pci_release_regions(pdev);
2700
2701 err_out_disable_pdev:
2702 pci_disable_device(pdev);
2703 return err;
2704
2705 err_out_maintenance_mode:
2706 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2707 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2708 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2709 ahw->port_type = QLCNIC_XGBE;
2710
2711 if (qlcnic_83xx_check(adapter))
2712 adapter->tgt_status_reg = NULL;
2713 else
2714 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2715
2716 err = register_netdev(netdev);
2717
2718 if (err) {
2719 dev_err(&pdev->dev, "Failed to register net device\n");
2720 qlcnic_clr_all_drv_state(adapter, 0);
2721 goto err_out_free_hw;
2722 }
2723
2724 pci_set_drvdata(pdev, adapter);
2725 qlcnic_add_sysfs(adapter);
2726
2727 return 0;
2728 }
2729
2730 static void qlcnic_remove(struct pci_dev *pdev)
2731 {
2732 struct qlcnic_adapter *adapter;
2733 struct net_device *netdev;
2734 struct qlcnic_hardware_context *ahw;
2735
2736 adapter = pci_get_drvdata(pdev);
2737 if (adapter == NULL)
2738 return;
2739
2740 netdev = adapter->netdev;
2741
2742 qlcnic_cancel_idc_work(adapter);
2743 qlcnic_sriov_pf_disable(adapter);
2744 ahw = adapter->ahw;
2745
2746 unregister_netdev(netdev);
2747 qlcnic_sriov_cleanup(adapter);
2748
2749 if (qlcnic_83xx_check(adapter)) {
2750 qlcnic_83xx_initialize_nic(adapter, 0);
2751 cancel_delayed_work_sync(&adapter->idc_aen_work);
2752 qlcnic_83xx_free_mbx_intr(adapter);
2753 qlcnic_83xx_detach_mailbox_work(adapter);
2754 qlcnic_83xx_free_mailbox(ahw->mailbox);
2755 kfree(ahw->fw_info);
2756 }
2757
2758 qlcnic_dcb_free(adapter->dcb);
2759 qlcnic_detach(adapter);
2760 kfree(adapter->npars);
2761 kfree(adapter->eswitch);
2762
2763 if (qlcnic_82xx_check(adapter))
2764 qlcnic_clr_all_drv_state(adapter, 0);
2765
2766 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2767
2768 qlcnic_free_lb_filters_mem(adapter);
2769
2770 qlcnic_teardown_intr(adapter);
2771
2772 qlcnic_remove_sysfs(adapter);
2773
2774 qlcnic_unregister_hwmon_dev(adapter);
2775
2776 qlcnic_cleanup_pci_map(adapter->ahw);
2777
2778 qlcnic_release_firmware(adapter);
2779
2780 pci_disable_pcie_error_reporting(pdev);
2781 pci_release_regions(pdev);
2782 pci_disable_device(pdev);
2783
2784 if (adapter->qlcnic_wq) {
2785 destroy_workqueue(adapter->qlcnic_wq);
2786 adapter->qlcnic_wq = NULL;
2787 }
2788
2789 qlcnic_free_adapter_resources(adapter);
2790 kfree(ahw);
2791 free_netdev(netdev);
2792 }
2793
2794 static void qlcnic_shutdown(struct pci_dev *pdev)
2795 {
2796 if (__qlcnic_shutdown(pdev))
2797 return;
2798
2799 pci_disable_device(pdev);
2800 }
2801
2802 #ifdef CONFIG_PM
2803 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2804 {
2805 int retval;
2806
2807 retval = __qlcnic_shutdown(pdev);
2808 if (retval)
2809 return retval;
2810
2811 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2812 return 0;
2813 }
2814
2815 static int qlcnic_resume(struct pci_dev *pdev)
2816 {
2817 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2818 int err;
2819
2820 err = pci_enable_device(pdev);
2821 if (err)
2822 return err;
2823
2824 pci_set_power_state(pdev, PCI_D0);
2825 pci_set_master(pdev);
2826 pci_restore_state(pdev);
2827
2828 return __qlcnic_resume(adapter);
2829 }
2830 #endif
2831
2832 static int qlcnic_open(struct net_device *netdev)
2833 {
2834 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2835 int err;
2836
2837 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2838 netdev_err(netdev, "%s: Device is in non-operational state\n",
2839 __func__);
2840
2841 return -EIO;
2842 }
2843
2844 netif_carrier_off(netdev);
2845
2846 err = qlcnic_attach(adapter);
2847 if (err)
2848 return err;
2849
2850 err = __qlcnic_up(adapter, netdev);
2851 if (err)
2852 qlcnic_detach(adapter);
2853
2854 return err;
2855 }
2856
2857 /*
2858 * qlcnic_close - Disables a network interface entry point
2859 */
2860 static int qlcnic_close(struct net_device *netdev)
2861 {
2862 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2863
2864 __qlcnic_down(adapter, netdev);
2865
2866 return 0;
2867 }
2868
2869 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2870
2871 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2872 {
2873 void *head;
2874 int i;
2875 struct net_device *netdev = adapter->netdev;
2876 u32 filter_size = 0;
2877 u16 act_pci_func = 0;
2878
2879 if (adapter->fhash.fmax && adapter->fhash.fhead)
2880 return;
2881
2882 act_pci_func = adapter->ahw->total_nic_func;
2883 spin_lock_init(&adapter->mac_learn_lock);
2884 spin_lock_init(&adapter->rx_mac_learn_lock);
2885
2886 if (qlcnic_sriov_vf_check(adapter)) {
2887 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2888 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2889 } else if (qlcnic_82xx_check(adapter)) {
2890 filter_size = QLCNIC_LB_MAX_FILTERS;
2891 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2892 } else {
2893 filter_size = QLC_83XX_LB_MAX_FILTERS;
2894 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2895 }
2896
2897 head = kcalloc(adapter->fhash.fbucket_size,
2898 sizeof(struct hlist_head), GFP_ATOMIC);
2899
2900 if (!head)
2901 return;
2902
2903 adapter->fhash.fmax = (filter_size / act_pci_func);
2904 adapter->fhash.fhead = head;
2905
2906 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2907 act_pci_func, adapter->fhash.fmax);
2908
2909 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2910 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2911
2912 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2913
2914 head = kcalloc(adapter->rx_fhash.fbucket_size,
2915 sizeof(struct hlist_head), GFP_ATOMIC);
2916
2917 if (!head)
2918 return;
2919
2920 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2921 adapter->rx_fhash.fhead = head;
2922
2923 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2924 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2925 }
2926
2927 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2928 {
2929 if (adapter->fhash.fmax)
2930 kfree(adapter->fhash.fhead);
2931
2932 adapter->fhash.fhead = NULL;
2933 adapter->fhash.fmax = 0;
2934
2935 if (adapter->rx_fhash.fmax)
2936 kfree(adapter->rx_fhash.fhead);
2937
2938 adapter->rx_fhash.fmax = 0;
2939 adapter->rx_fhash.fhead = NULL;
2940 }
2941
2942 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2943 {
2944 struct net_device *netdev = adapter->netdev;
2945 u32 temp_state, temp_val, temp = 0;
2946 int rv = 0;
2947
2948 if (qlcnic_83xx_check(adapter))
2949 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2950
2951 if (qlcnic_82xx_check(adapter))
2952 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2953
2954 temp_state = qlcnic_get_temp_state(temp);
2955 temp_val = qlcnic_get_temp_val(temp);
2956
2957 if (temp_state == QLCNIC_TEMP_PANIC) {
2958 dev_err(&netdev->dev,
2959 "Device temperature %d degrees C exceeds"
2960 " maximum allowed. Hardware has been shut down.\n",
2961 temp_val);
2962 rv = 1;
2963 } else if (temp_state == QLCNIC_TEMP_WARN) {
2964 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2965 dev_err(&netdev->dev,
2966 "Device temperature %d degrees C "
2967 "exceeds operating range."
2968 " Immediate action needed.\n",
2969 temp_val);
2970 }
2971 } else {
2972 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2973 dev_info(&netdev->dev,
2974 "Device temperature is now %d degrees C"
2975 " in normal range.\n", temp_val);
2976 }
2977 }
2978 adapter->ahw->temp = temp_state;
2979 return rv;
2980 }
2981
2982 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2983 {
2984 int i;
2985 struct cmd_desc_type0 *tx_desc_info;
2986
2987 for (i = 0; i < tx_ring->num_desc; i++) {
2988 tx_desc_info = &tx_ring->desc_head[i];
2989 pr_info("TX Desc: %d\n", i);
2990 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2991 &tx_ring->desc_head[i],
2992 sizeof(struct cmd_desc_type0), true);
2993 }
2994 }
2995
2996 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
2997 {
2998 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2999 struct net_device *netdev = adapter->netdev;
3000 struct qlcnic_host_rds_ring *rds_ring;
3001 struct qlcnic_host_sds_ring *sds_ring;
3002 struct qlcnic_host_tx_ring *tx_ring;
3003 int ring;
3004
3005 if (!netdev || !netif_running(netdev))
3006 return;
3007
3008 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
3009 rds_ring = &recv_ctx->rds_rings[ring];
3010 if (!rds_ring)
3011 continue;
3012 netdev_info(netdev,
3013 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3014 ring, readl(rds_ring->crb_rcv_producer),
3015 rds_ring->producer, rds_ring->num_desc);
3016 }
3017
3018 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3019 sds_ring = &(recv_ctx->sds_rings[ring]);
3020 if (!sds_ring)
3021 continue;
3022 netdev_info(netdev,
3023 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3024 ring, readl(sds_ring->crb_sts_consumer),
3025 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3026 sds_ring->num_desc);
3027 }
3028
3029 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3030 tx_ring = &adapter->tx_ring[ring];
3031 if (!tx_ring)
3032 continue;
3033 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3034 ring, tx_ring->ctx_id);
3035 netdev_info(netdev,
3036 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3037 tx_ring->tx_stats.xmit_finished,
3038 tx_ring->tx_stats.xmit_called,
3039 tx_ring->tx_stats.xmit_on,
3040 tx_ring->tx_stats.xmit_off);
3041
3042 if (tx_ring->crb_intr_mask)
3043 netdev_info(netdev, "crb_intr_mask=%d\n",
3044 readl(tx_ring->crb_intr_mask));
3045
3046 netdev_info(netdev,
3047 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3048 readl(tx_ring->crb_cmd_producer),
3049 tx_ring->producer, tx_ring->sw_consumer,
3050 le32_to_cpu(*(tx_ring->hw_consumer)));
3051
3052 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3053 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3054
3055 if (netif_msg_tx_err(adapter->ahw))
3056 dump_tx_ring_desc(tx_ring);
3057 }
3058
3059 }
3060
3061 static void qlcnic_tx_timeout(struct net_device *netdev)
3062 {
3063 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3064
3065 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3066 return;
3067
3068 qlcnic_dump_rings(adapter);
3069
3070 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3071 netif_msg_tx_err(adapter->ahw)) {
3072 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3073 if (qlcnic_82xx_check(adapter))
3074 adapter->need_fw_reset = 1;
3075 else if (qlcnic_83xx_check(adapter))
3076 qlcnic_83xx_idc_request_reset(adapter,
3077 QLCNIC_FORCE_FW_DUMP_KEY);
3078 } else {
3079 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3080 adapter->ahw->reset_context = 1;
3081 }
3082 }
3083
3084 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3085 {
3086 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3087 struct net_device_stats *stats = &netdev->stats;
3088
3089 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3090 qlcnic_update_stats(adapter);
3091
3092 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3093 stats->tx_packets = adapter->stats.xmitfinished;
3094 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3095 stats->tx_bytes = adapter->stats.txbytes;
3096 stats->rx_dropped = adapter->stats.rxdropped;
3097 stats->tx_dropped = adapter->stats.txdropped;
3098
3099 return stats;
3100 }
3101
3102 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3103 {
3104 u32 status;
3105
3106 status = readl(adapter->isr_int_vec);
3107
3108 if (!(status & adapter->ahw->int_vec_bit))
3109 return IRQ_NONE;
3110
3111 /* check interrupt state machine, to be sure */
3112 status = readl(adapter->crb_int_state_reg);
3113 if (!ISR_LEGACY_INT_TRIGGERED(status))
3114 return IRQ_NONE;
3115
3116 writel(0xffffffff, adapter->tgt_status_reg);
3117 /* read twice to ensure write is flushed */
3118 readl(adapter->isr_int_vec);
3119 readl(adapter->isr_int_vec);
3120
3121 return IRQ_HANDLED;
3122 }
3123
3124 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3125 {
3126 struct qlcnic_host_sds_ring *sds_ring = data;
3127 struct qlcnic_adapter *adapter = sds_ring->adapter;
3128
3129 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3130 goto done;
3131 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3132 writel(0xffffffff, adapter->tgt_status_reg);
3133 goto done;
3134 }
3135
3136 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3137 return IRQ_NONE;
3138
3139 done:
3140 adapter->ahw->diag_cnt++;
3141 qlcnic_enable_sds_intr(adapter, sds_ring);
3142 return IRQ_HANDLED;
3143 }
3144
3145 static irqreturn_t qlcnic_intr(int irq, void *data)
3146 {
3147 struct qlcnic_host_sds_ring *sds_ring = data;
3148 struct qlcnic_adapter *adapter = sds_ring->adapter;
3149
3150 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3151 return IRQ_NONE;
3152
3153 napi_schedule(&sds_ring->napi);
3154
3155 return IRQ_HANDLED;
3156 }
3157
3158 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3159 {
3160 struct qlcnic_host_sds_ring *sds_ring = data;
3161 struct qlcnic_adapter *adapter = sds_ring->adapter;
3162
3163 /* clear interrupt */
3164 writel(0xffffffff, adapter->tgt_status_reg);
3165
3166 napi_schedule(&sds_ring->napi);
3167 return IRQ_HANDLED;
3168 }
3169
3170 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3171 {
3172 struct qlcnic_host_sds_ring *sds_ring = data;
3173
3174 napi_schedule(&sds_ring->napi);
3175 return IRQ_HANDLED;
3176 }
3177
3178 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3179 {
3180 struct qlcnic_host_tx_ring *tx_ring = data;
3181
3182 napi_schedule(&tx_ring->napi);
3183 return IRQ_HANDLED;
3184 }
3185
3186 #ifdef CONFIG_NET_POLL_CONTROLLER
3187 static void qlcnic_poll_controller(struct net_device *netdev)
3188 {
3189 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3190 struct qlcnic_host_sds_ring *sds_ring;
3191 struct qlcnic_recv_context *recv_ctx;
3192 struct qlcnic_host_tx_ring *tx_ring;
3193 int ring;
3194
3195 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3196 return;
3197
3198 recv_ctx = adapter->recv_ctx;
3199
3200 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3201 sds_ring = &recv_ctx->sds_rings[ring];
3202 qlcnic_disable_sds_intr(adapter, sds_ring);
3203 napi_schedule(&sds_ring->napi);
3204 }
3205
3206 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3207 /* Only Multi-Tx queue capable devices need to
3208 * schedule NAPI for TX rings
3209 */
3210 if ((qlcnic_83xx_check(adapter) &&
3211 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3212 (qlcnic_82xx_check(adapter) &&
3213 !qlcnic_check_multi_tx(adapter)))
3214 return;
3215
3216 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3217 tx_ring = &adapter->tx_ring[ring];
3218 qlcnic_disable_tx_intr(adapter, tx_ring);
3219 napi_schedule(&tx_ring->napi);
3220 }
3221 }
3222 }
3223 #endif
3224
3225 static void
3226 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3227 {
3228 u32 val;
3229
3230 val = adapter->portnum & 0xf;
3231 val |= encoding << 7;
3232 val |= (jiffies - adapter->dev_rst_time) << 8;
3233
3234 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3235 adapter->dev_rst_time = jiffies;
3236 }
3237
3238 static int
3239 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3240 {
3241 u32 val;
3242
3243 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3244 state != QLCNIC_DEV_NEED_QUISCENT);
3245
3246 if (qlcnic_api_lock(adapter))
3247 return -EIO;
3248
3249 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3250
3251 if (state == QLCNIC_DEV_NEED_RESET)
3252 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3253 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3254 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3255
3256 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3257
3258 qlcnic_api_unlock(adapter);
3259
3260 return 0;
3261 }
3262
3263 static int
3264 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3265 {
3266 u32 val;
3267
3268 if (qlcnic_api_lock(adapter))
3269 return -EBUSY;
3270
3271 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3272 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3273 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3274
3275 qlcnic_api_unlock(adapter);
3276
3277 return 0;
3278 }
3279
3280 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3281 {
3282 u32 val;
3283
3284 if (qlcnic_api_lock(adapter))
3285 goto err;
3286
3287 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3288 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3289 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3290
3291 if (failed) {
3292 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3293 QLCNIC_DEV_FAILED);
3294 dev_info(&adapter->pdev->dev,
3295 "Device state set to Failed. Please Reboot\n");
3296 } else if (!(val & 0x11111111))
3297 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3298 QLCNIC_DEV_COLD);
3299
3300 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3301 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3302 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3303
3304 qlcnic_api_unlock(adapter);
3305 err:
3306 adapter->fw_fail_cnt = 0;
3307 adapter->flags &= ~QLCNIC_FW_HANG;
3308 clear_bit(__QLCNIC_START_FW, &adapter->state);
3309 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3310 }
3311
3312 /* Grab api lock, before checking state */
3313 static int
3314 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3315 {
3316 int act, state, active_mask;
3317 struct qlcnic_hardware_context *ahw = adapter->ahw;
3318
3319 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3320 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3321
3322 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3323 active_mask = (~(1 << (ahw->pci_func * 4)));
3324 act = act & active_mask;
3325 }
3326
3327 if (((state & 0x11111111) == (act & 0x11111111)) ||
3328 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3329 return 0;
3330 else
3331 return 1;
3332 }
3333
3334 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3335 {
3336 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3337
3338 if (val != QLCNIC_DRV_IDC_VER) {
3339 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3340 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3341 }
3342
3343 return 0;
3344 }
3345
3346 static int
3347 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3348 {
3349 u32 val, prev_state;
3350 u8 dev_init_timeo = adapter->dev_init_timeo;
3351 u8 portnum = adapter->portnum;
3352 u8 ret;
3353
3354 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3355 return 1;
3356
3357 if (qlcnic_api_lock(adapter))
3358 return -1;
3359
3360 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3361 if (!(val & (1 << (portnum * 4)))) {
3362 QLC_DEV_SET_REF_CNT(val, portnum);
3363 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3364 }
3365
3366 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3367 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3368
3369 switch (prev_state) {
3370 case QLCNIC_DEV_COLD:
3371 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3372 QLCNIC_DEV_INITIALIZING);
3373 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3374 QLCNIC_DRV_IDC_VER);
3375 qlcnic_idc_debug_info(adapter, 0);
3376 qlcnic_api_unlock(adapter);
3377 return 1;
3378
3379 case QLCNIC_DEV_READY:
3380 ret = qlcnic_check_idc_ver(adapter);
3381 qlcnic_api_unlock(adapter);
3382 return ret;
3383
3384 case QLCNIC_DEV_NEED_RESET:
3385 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3386 QLC_DEV_SET_RST_RDY(val, portnum);
3387 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3388 break;
3389
3390 case QLCNIC_DEV_NEED_QUISCENT:
3391 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3392 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3393 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3394 break;
3395
3396 case QLCNIC_DEV_FAILED:
3397 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3398 qlcnic_api_unlock(adapter);
3399 return -1;
3400
3401 case QLCNIC_DEV_INITIALIZING:
3402 case QLCNIC_DEV_QUISCENT:
3403 break;
3404 }
3405
3406 qlcnic_api_unlock(adapter);
3407
3408 do {
3409 msleep(1000);
3410 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3411
3412 if (prev_state == QLCNIC_DEV_QUISCENT)
3413 continue;
3414 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3415
3416 if (!dev_init_timeo) {
3417 dev_err(&adapter->pdev->dev,
3418 "Waiting for device to initialize timeout\n");
3419 return -1;
3420 }
3421
3422 if (qlcnic_api_lock(adapter))
3423 return -1;
3424
3425 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3426 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3427 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3428
3429 ret = qlcnic_check_idc_ver(adapter);
3430 qlcnic_api_unlock(adapter);
3431
3432 return ret;
3433 }
3434
3435 static void
3436 qlcnic_fwinit_work(struct work_struct *work)
3437 {
3438 struct qlcnic_adapter *adapter = container_of(work,
3439 struct qlcnic_adapter, fw_work.work);
3440 u32 dev_state = 0xf;
3441 u32 val;
3442
3443 if (qlcnic_api_lock(adapter))
3444 goto err_ret;
3445
3446 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3447 if (dev_state == QLCNIC_DEV_QUISCENT ||
3448 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3449 qlcnic_api_unlock(adapter);
3450 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3451 FW_POLL_DELAY * 2);
3452 return;
3453 }
3454
3455 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3456 qlcnic_api_unlock(adapter);
3457 goto wait_npar;
3458 }
3459
3460 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3461 dev_state == QLCNIC_DEV_READY) {
3462 dev_info(&adapter->pdev->dev, "Detected state change from "
3463 "DEV_NEED_RESET, skipping ack check\n");
3464 goto skip_ack_check;
3465 }
3466
3467 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3468 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3469 adapter->reset_ack_timeo);
3470 goto skip_ack_check;
3471 }
3472
3473 if (!qlcnic_check_drv_state(adapter)) {
3474 skip_ack_check:
3475 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3476
3477 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3478 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3479 QLCNIC_DEV_INITIALIZING);
3480 set_bit(__QLCNIC_START_FW, &adapter->state);
3481 QLCDB(adapter, DRV, "Restarting fw\n");
3482 qlcnic_idc_debug_info(adapter, 0);
3483 val = QLC_SHARED_REG_RD32(adapter,
3484 QLCNIC_CRB_DRV_STATE);
3485 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3486 QLC_SHARED_REG_WR32(adapter,
3487 QLCNIC_CRB_DRV_STATE, val);
3488 }
3489
3490 qlcnic_api_unlock(adapter);
3491
3492 rtnl_lock();
3493 if (qlcnic_check_fw_dump_state(adapter) &&
3494 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3495 QLCDB(adapter, DRV, "Take FW dump\n");
3496 qlcnic_dump_fw(adapter);
3497 adapter->flags |= QLCNIC_FW_HANG;
3498 }
3499 rtnl_unlock();
3500
3501 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3502 if (!adapter->nic_ops->start_firmware(adapter)) {
3503 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3504 adapter->fw_wait_cnt = 0;
3505 return;
3506 }
3507 goto err_ret;
3508 }
3509
3510 qlcnic_api_unlock(adapter);
3511
3512 wait_npar:
3513 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3514 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3515
3516 switch (dev_state) {
3517 case QLCNIC_DEV_READY:
3518 if (!qlcnic_start_firmware(adapter)) {
3519 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3520 adapter->fw_wait_cnt = 0;
3521 return;
3522 }
3523 case QLCNIC_DEV_FAILED:
3524 break;
3525 default:
3526 qlcnic_schedule_work(adapter,
3527 qlcnic_fwinit_work, FW_POLL_DELAY);
3528 return;
3529 }
3530
3531 err_ret:
3532 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3533 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3534 netif_device_attach(adapter->netdev);
3535 qlcnic_clr_all_drv_state(adapter, 0);
3536 }
3537
3538 static void
3539 qlcnic_detach_work(struct work_struct *work)
3540 {
3541 struct qlcnic_adapter *adapter = container_of(work,
3542 struct qlcnic_adapter, fw_work.work);
3543 struct net_device *netdev = adapter->netdev;
3544 u32 status;
3545
3546 netif_device_detach(netdev);
3547
3548 /* Dont grab rtnl lock during Quiscent mode */
3549 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3550 if (netif_running(netdev))
3551 __qlcnic_down(adapter, netdev);
3552 } else
3553 qlcnic_down(adapter, netdev);
3554
3555 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3556
3557 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3558 dev_err(&adapter->pdev->dev,
3559 "Detaching the device: peg halt status1=0x%x\n",
3560 status);
3561
3562 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3563 dev_err(&adapter->pdev->dev,
3564 "On board active cooling fan failed. "
3565 "Device has been halted.\n");
3566 dev_err(&adapter->pdev->dev,
3567 "Replace the adapter.\n");
3568 }
3569
3570 goto err_ret;
3571 }
3572
3573 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3574 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3575 adapter->ahw->temp);
3576 goto err_ret;
3577 }
3578
3579 /* Dont ack if this instance is the reset owner */
3580 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3581 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3582 dev_err(&adapter->pdev->dev,
3583 "Failed to set driver state,"
3584 "detaching the device.\n");
3585 goto err_ret;
3586 }
3587 }
3588
3589 adapter->fw_wait_cnt = 0;
3590
3591 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3592
3593 return;
3594
3595 err_ret:
3596 netif_device_attach(netdev);
3597 qlcnic_clr_all_drv_state(adapter, 1);
3598 }
3599
3600 /*Transit NPAR state to NON Operational */
3601 static void
3602 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3603 {
3604 u32 state;
3605
3606 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3607 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3608 return;
3609
3610 if (qlcnic_api_lock(adapter))
3611 return;
3612 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3613 QLCNIC_DEV_NPAR_NON_OPER);
3614 qlcnic_api_unlock(adapter);
3615 }
3616
3617 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3618 u32 key)
3619 {
3620 u32 state, xg_val = 0, gb_val = 0;
3621
3622 qlcnic_xg_set_xg0_mask(xg_val);
3623 qlcnic_xg_set_xg1_mask(xg_val);
3624 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3625 qlcnic_gb_set_gb0_mask(gb_val);
3626 qlcnic_gb_set_gb1_mask(gb_val);
3627 qlcnic_gb_set_gb2_mask(gb_val);
3628 qlcnic_gb_set_gb3_mask(gb_val);
3629 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3630 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3631 " on all ports\n");
3632 adapter->need_fw_reset = 1;
3633
3634 if (qlcnic_api_lock(adapter))
3635 return;
3636
3637 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3638
3639 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3640 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3641 __func__);
3642 qlcnic_api_unlock(adapter);
3643
3644 return;
3645 }
3646
3647 if (state == QLCNIC_DEV_READY) {
3648 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3649 QLCNIC_DEV_NEED_RESET);
3650 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3651 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3652 qlcnic_idc_debug_info(adapter, 0);
3653 }
3654
3655 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3656 QLCNIC_DEV_NPAR_NON_OPER);
3657 qlcnic_api_unlock(adapter);
3658 }
3659
3660 /* Transit to NPAR READY state from NPAR NOT READY state */
3661 static void
3662 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3663 {
3664 if (qlcnic_api_lock(adapter))
3665 return;
3666
3667 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3668 QLCNIC_DEV_NPAR_OPER);
3669 QLCDB(adapter, DRV, "NPAR operational state set\n");
3670
3671 qlcnic_api_unlock(adapter);
3672 }
3673
3674 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3675 work_func_t func, int delay)
3676 {
3677 if (test_bit(__QLCNIC_AER, &adapter->state))
3678 return;
3679
3680 INIT_DELAYED_WORK(&adapter->fw_work, func);
3681 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3682 round_jiffies_relative(delay));
3683 }
3684
3685 static void
3686 qlcnic_attach_work(struct work_struct *work)
3687 {
3688 struct qlcnic_adapter *adapter = container_of(work,
3689 struct qlcnic_adapter, fw_work.work);
3690 struct net_device *netdev = adapter->netdev;
3691 u32 npar_state;
3692
3693 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3694 npar_state = QLC_SHARED_REG_RD32(adapter,
3695 QLCNIC_CRB_DEV_NPAR_STATE);
3696 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3697 qlcnic_clr_all_drv_state(adapter, 0);
3698 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3699 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3700 FW_POLL_DELAY);
3701 else
3702 goto attach;
3703 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3704 return;
3705 }
3706 attach:
3707 qlcnic_dcb_get_info(adapter->dcb);
3708
3709 if (netif_running(netdev)) {
3710 if (qlcnic_up(adapter, netdev))
3711 goto done;
3712
3713 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3714 }
3715
3716 done:
3717 netif_device_attach(netdev);
3718 adapter->fw_fail_cnt = 0;
3719 adapter->flags &= ~QLCNIC_FW_HANG;
3720 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3721 if (adapter->portnum == 0)
3722 qlcnic_set_drv_version(adapter);
3723
3724 if (!qlcnic_clr_drv_state(adapter))
3725 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3726 FW_POLL_DELAY);
3727 }
3728
3729 static int
3730 qlcnic_check_health(struct qlcnic_adapter *adapter)
3731 {
3732 struct qlcnic_hardware_context *ahw = adapter->ahw;
3733 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3734 u32 state = 0, heartbeat;
3735 u32 peg_status;
3736 int err = 0;
3737
3738 if (qlcnic_check_temp(adapter))
3739 goto detach;
3740
3741 if (adapter->need_fw_reset)
3742 qlcnic_dev_request_reset(adapter, 0);
3743
3744 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3745 if (state == QLCNIC_DEV_NEED_RESET) {
3746 qlcnic_set_npar_non_operational(adapter);
3747 adapter->need_fw_reset = 1;
3748 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3749 goto detach;
3750
3751 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3752 if (heartbeat != adapter->heartbeat) {
3753 adapter->heartbeat = heartbeat;
3754 adapter->fw_fail_cnt = 0;
3755 if (adapter->need_fw_reset)
3756 goto detach;
3757
3758 if (ahw->reset_context && qlcnic_auto_fw_reset)
3759 qlcnic_reset_hw_context(adapter);
3760
3761 return 0;
3762 }
3763
3764 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3765 return 0;
3766
3767 adapter->flags |= QLCNIC_FW_HANG;
3768
3769 qlcnic_dev_request_reset(adapter, 0);
3770
3771 if (qlcnic_auto_fw_reset)
3772 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3773
3774 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3775 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3776 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3777 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3778 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3779 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3780 "PEG_NET_4_PC: 0x%x\n",
3781 peg_status,
3782 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3783 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3784 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3785 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3786 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3787 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3788 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3789 dev_err(&adapter->pdev->dev,
3790 "Firmware aborted with error code 0x00006700. "
3791 "Device is being reset.\n");
3792 detach:
3793 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3794 QLCNIC_DEV_NEED_RESET;
3795
3796 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3797 &adapter->state)) {
3798
3799 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3800 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3801 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3802 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3803 qlcnic_dump_fw(adapter);
3804 }
3805
3806 return 1;
3807 }
3808
3809 void qlcnic_fw_poll_work(struct work_struct *work)
3810 {
3811 struct qlcnic_adapter *adapter = container_of(work,
3812 struct qlcnic_adapter, fw_work.work);
3813
3814 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3815 goto reschedule;
3816
3817
3818 if (qlcnic_check_health(adapter))
3819 return;
3820
3821 if (adapter->fhash.fnum)
3822 qlcnic_prune_lb_filters(adapter);
3823
3824 reschedule:
3825 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3826 }
3827
3828 static int qlcnic_is_first_func(struct pci_dev *pdev)
3829 {
3830 struct pci_dev *oth_pdev;
3831 int val = pdev->devfn;
3832
3833 while (val-- > 0) {
3834 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3835 (pdev->bus), pdev->bus->number,
3836 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3837 if (!oth_pdev)
3838 continue;
3839
3840 if (oth_pdev->current_state != PCI_D3cold) {
3841 pci_dev_put(oth_pdev);
3842 return 0;
3843 }
3844 pci_dev_put(oth_pdev);
3845 }
3846 return 1;
3847 }
3848
3849 static int qlcnic_attach_func(struct pci_dev *pdev)
3850 {
3851 int err, first_func;
3852 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3853 struct net_device *netdev = adapter->netdev;
3854
3855 pdev->error_state = pci_channel_io_normal;
3856
3857 err = pci_enable_device(pdev);
3858 if (err)
3859 return err;
3860
3861 pci_set_master(pdev);
3862 pci_restore_state(pdev);
3863
3864 first_func = qlcnic_is_first_func(pdev);
3865
3866 if (qlcnic_api_lock(adapter))
3867 return -EINVAL;
3868
3869 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3870 adapter->need_fw_reset = 1;
3871 set_bit(__QLCNIC_START_FW, &adapter->state);
3872 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3873 QLCNIC_DEV_INITIALIZING);
3874 QLCDB(adapter, DRV, "Restarting fw\n");
3875 }
3876 qlcnic_api_unlock(adapter);
3877
3878 err = qlcnic_start_firmware(adapter);
3879 if (err)
3880 return err;
3881
3882 qlcnic_clr_drv_state(adapter);
3883 kfree(adapter->msix_entries);
3884 adapter->msix_entries = NULL;
3885 err = qlcnic_setup_intr(adapter);
3886
3887 if (err) {
3888 kfree(adapter->msix_entries);
3889 netdev_err(netdev, "failed to setup interrupt\n");
3890 return err;
3891 }
3892
3893 if (netif_running(netdev)) {
3894 err = qlcnic_attach(adapter);
3895 if (err) {
3896 qlcnic_clr_all_drv_state(adapter, 1);
3897 clear_bit(__QLCNIC_AER, &adapter->state);
3898 netif_device_attach(netdev);
3899 return err;
3900 }
3901
3902 err = qlcnic_up(adapter, netdev);
3903 if (err)
3904 goto done;
3905
3906 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3907 }
3908 done:
3909 netif_device_attach(netdev);
3910 return err;
3911 }
3912
3913 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3914 pci_channel_state_t state)
3915 {
3916 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3917 struct net_device *netdev = adapter->netdev;
3918
3919 if (state == pci_channel_io_perm_failure)
3920 return PCI_ERS_RESULT_DISCONNECT;
3921
3922 if (state == pci_channel_io_normal)
3923 return PCI_ERS_RESULT_RECOVERED;
3924
3925 set_bit(__QLCNIC_AER, &adapter->state);
3926 netif_device_detach(netdev);
3927
3928 cancel_delayed_work_sync(&adapter->fw_work);
3929
3930 if (netif_running(netdev))
3931 qlcnic_down(adapter, netdev);
3932
3933 qlcnic_detach(adapter);
3934 qlcnic_teardown_intr(adapter);
3935
3936 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3937
3938 pci_save_state(pdev);
3939 pci_disable_device(pdev);
3940
3941 return PCI_ERS_RESULT_NEED_RESET;
3942 }
3943
3944 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3945 {
3946 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3947 PCI_ERS_RESULT_RECOVERED;
3948 }
3949
3950 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3951 {
3952 u32 state;
3953 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3954
3955 pci_cleanup_aer_uncorrect_error_status(pdev);
3956 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3957 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3958 &adapter->state))
3959 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3960 FW_POLL_DELAY);
3961 }
3962
3963 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3964 pci_channel_state_t state)
3965 {
3966 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3967 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3968
3969 if (hw_ops->io_error_detected) {
3970 return hw_ops->io_error_detected(pdev, state);
3971 } else {
3972 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3973 return PCI_ERS_RESULT_DISCONNECT;
3974 }
3975 }
3976
3977 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3978 {
3979 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3980 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3981
3982 if (hw_ops->io_slot_reset) {
3983 return hw_ops->io_slot_reset(pdev);
3984 } else {
3985 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3986 return PCI_ERS_RESULT_DISCONNECT;
3987 }
3988 }
3989
3990 static void qlcnic_io_resume(struct pci_dev *pdev)
3991 {
3992 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3993 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3994
3995 if (hw_ops->io_resume)
3996 hw_ops->io_resume(pdev);
3997 else
3998 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3999 }
4000
4001
4002 static int
4003 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
4004 {
4005 int err;
4006
4007 err = qlcnic_can_start_firmware(adapter);
4008 if (err)
4009 return err;
4010
4011 err = qlcnic_check_npar_opertional(adapter);
4012 if (err)
4013 return err;
4014
4015 err = qlcnic_initialize_nic(adapter);
4016 if (err)
4017 return err;
4018
4019 qlcnic_check_options(adapter);
4020
4021 err = qlcnic_set_eswitch_port_config(adapter);
4022 if (err)
4023 return err;
4024
4025 adapter->need_fw_reset = 0;
4026
4027 return err;
4028 }
4029
4030 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4031 int queue_type)
4032 {
4033 struct net_device *netdev = adapter->netdev;
4034 u8 max_hw_rings = 0;
4035 char buf[8];
4036 int cur_rings;
4037
4038 if (queue_type == QLCNIC_RX_QUEUE) {
4039 max_hw_rings = adapter->max_sds_rings;
4040 cur_rings = adapter->drv_sds_rings;
4041 strcpy(buf, "SDS");
4042 } else if (queue_type == QLCNIC_TX_QUEUE) {
4043 max_hw_rings = adapter->max_tx_rings;
4044 cur_rings = adapter->drv_tx_rings;
4045 strcpy(buf, "Tx");
4046 }
4047
4048 if (!is_power_of_2(ring_cnt)) {
4049 netdev_err(netdev, "%s rings value should be a power of 2\n",
4050 buf);
4051 return -EINVAL;
4052 }
4053
4054 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4055 !qlcnic_check_multi_tx(adapter)) {
4056 netdev_err(netdev, "No Multi Tx queue support\n");
4057 return -EINVAL;
4058 }
4059
4060 if (ring_cnt > num_online_cpus()) {
4061 netdev_err(netdev,
4062 "%s value[%u] should not be higher than, number of online CPUs\n",
4063 buf, num_online_cpus());
4064 return -EINVAL;
4065 }
4066
4067 return 0;
4068 }
4069
4070 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4071 {
4072 struct net_device *netdev = adapter->netdev;
4073 u8 tx_rings, rx_rings;
4074 int err;
4075
4076 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4077 return -EBUSY;
4078
4079 tx_rings = adapter->drv_tss_rings;
4080 rx_rings = adapter->drv_rss_rings;
4081
4082 netif_device_detach(netdev);
4083
4084 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4085 if (err)
4086 goto done;
4087
4088 if (netif_running(netdev))
4089 __qlcnic_down(adapter, netdev);
4090
4091 qlcnic_detach(adapter);
4092
4093 if (qlcnic_83xx_check(adapter)) {
4094 qlcnic_83xx_free_mbx_intr(adapter);
4095 qlcnic_83xx_enable_mbx_poll(adapter);
4096 }
4097
4098 qlcnic_teardown_intr(adapter);
4099
4100 err = qlcnic_setup_intr(adapter);
4101 if (err) {
4102 kfree(adapter->msix_entries);
4103 netdev_err(netdev, "failed to setup interrupt\n");
4104 return err;
4105 }
4106
4107 /* Check if we need to update real_num_{tx|rx}_queues because
4108 * qlcnic_setup_intr() may change Tx/Rx rings size
4109 */
4110 if ((tx_rings != adapter->drv_tx_rings) ||
4111 (rx_rings != adapter->drv_sds_rings)) {
4112 err = qlcnic_set_real_num_queues(adapter,
4113 adapter->drv_tx_rings,
4114 adapter->drv_sds_rings);
4115 if (err)
4116 goto done;
4117 }
4118
4119 if (qlcnic_83xx_check(adapter)) {
4120 qlcnic_83xx_initialize_nic(adapter, 1);
4121 err = qlcnic_83xx_setup_mbx_intr(adapter);
4122 qlcnic_83xx_disable_mbx_poll(adapter);
4123 if (err) {
4124 dev_err(&adapter->pdev->dev,
4125 "failed to setup mbx interrupt\n");
4126 goto done;
4127 }
4128 }
4129
4130 if (netif_running(netdev)) {
4131 err = qlcnic_attach(adapter);
4132 if (err)
4133 goto done;
4134 err = __qlcnic_up(adapter, netdev);
4135 if (err)
4136 goto done;
4137 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4138 }
4139 done:
4140 netif_device_attach(netdev);
4141 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4142 return err;
4143 }
4144
4145 #ifdef CONFIG_INET
4146
4147 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4148
4149 static void
4150 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4151 struct net_device *dev, unsigned long event)
4152 {
4153 struct in_device *indev;
4154
4155 indev = in_dev_get(dev);
4156 if (!indev)
4157 return;
4158
4159 for_ifa(indev) {
4160 switch (event) {
4161 case NETDEV_UP:
4162 qlcnic_config_ipaddr(adapter,
4163 ifa->ifa_address, QLCNIC_IP_UP);
4164 break;
4165 case NETDEV_DOWN:
4166 qlcnic_config_ipaddr(adapter,
4167 ifa->ifa_address, QLCNIC_IP_DOWN);
4168 break;
4169 default:
4170 break;
4171 }
4172 } endfor_ifa(indev);
4173
4174 in_dev_put(indev);
4175 }
4176
4177 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4178 {
4179 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4180 struct net_device *dev;
4181 u16 vid;
4182
4183 qlcnic_config_indev_addr(adapter, netdev, event);
4184
4185 rcu_read_lock();
4186 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4187 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4188 if (!dev)
4189 continue;
4190 qlcnic_config_indev_addr(adapter, dev, event);
4191 }
4192 rcu_read_unlock();
4193 }
4194
4195 static int qlcnic_netdev_event(struct notifier_block *this,
4196 unsigned long event, void *ptr)
4197 {
4198 struct qlcnic_adapter *adapter;
4199 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4200
4201 recheck:
4202 if (dev == NULL)
4203 goto done;
4204
4205 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4206 dev = vlan_dev_real_dev(dev);
4207 goto recheck;
4208 }
4209
4210 if (!is_qlcnic_netdev(dev))
4211 goto done;
4212
4213 adapter = netdev_priv(dev);
4214
4215 if (!adapter)
4216 goto done;
4217
4218 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4219 goto done;
4220
4221 qlcnic_config_indev_addr(adapter, dev, event);
4222 done:
4223 return NOTIFY_DONE;
4224 }
4225
4226 static int
4227 qlcnic_inetaddr_event(struct notifier_block *this,
4228 unsigned long event, void *ptr)
4229 {
4230 struct qlcnic_adapter *adapter;
4231 struct net_device *dev;
4232
4233 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4234
4235 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4236
4237 recheck:
4238 if (dev == NULL)
4239 goto done;
4240
4241 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4242 dev = vlan_dev_real_dev(dev);
4243 goto recheck;
4244 }
4245
4246 if (!is_qlcnic_netdev(dev))
4247 goto done;
4248
4249 adapter = netdev_priv(dev);
4250
4251 if (!adapter)
4252 goto done;
4253
4254 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4255 goto done;
4256
4257 switch (event) {
4258 case NETDEV_UP:
4259 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4260
4261 break;
4262 case NETDEV_DOWN:
4263 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4264
4265 break;
4266 default:
4267 break;
4268 }
4269
4270 done:
4271 return NOTIFY_DONE;
4272 }
4273
4274 static struct notifier_block qlcnic_netdev_cb = {
4275 .notifier_call = qlcnic_netdev_event,
4276 };
4277
4278 static struct notifier_block qlcnic_inetaddr_cb = {
4279 .notifier_call = qlcnic_inetaddr_event,
4280 };
4281 #else
4282 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4283 { }
4284 #endif
4285 static const struct pci_error_handlers qlcnic_err_handler = {
4286 .error_detected = qlcnic_io_error_detected,
4287 .slot_reset = qlcnic_io_slot_reset,
4288 .resume = qlcnic_io_resume,
4289 };
4290
4291 static struct pci_driver qlcnic_driver = {
4292 .name = qlcnic_driver_name,
4293 .id_table = qlcnic_pci_tbl,
4294 .probe = qlcnic_probe,
4295 .remove = qlcnic_remove,
4296 #ifdef CONFIG_PM
4297 .suspend = qlcnic_suspend,
4298 .resume = qlcnic_resume,
4299 #endif
4300 .shutdown = qlcnic_shutdown,
4301 .err_handler = &qlcnic_err_handler,
4302 #ifdef CONFIG_QLCNIC_SRIOV
4303 .sriov_configure = qlcnic_pci_sriov_configure,
4304 #endif
4305
4306 };
4307
4308 static int __init qlcnic_init_module(void)
4309 {
4310 int ret;
4311
4312 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4313
4314 #ifdef CONFIG_INET
4315 register_netdevice_notifier(&qlcnic_netdev_cb);
4316 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4317 #endif
4318
4319 ret = pci_register_driver(&qlcnic_driver);
4320 if (ret) {
4321 #ifdef CONFIG_INET
4322 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4323 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4324 #endif
4325 }
4326
4327 return ret;
4328 }
4329
4330 module_init(qlcnic_init_module);
4331
4332 static void __exit qlcnic_exit_module(void)
4333 {
4334 pci_unregister_driver(&qlcnic_driver);
4335
4336 #ifdef CONFIG_INET
4337 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4338 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4339 #endif
4340 }
4341
4342 module_exit(qlcnic_exit_module);
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