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Merge remote-tracking branch 'lightnvm/for-next'
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
1 /*
2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
4 *
5 * See LICENSE.qlcnic for copyright and licensing details.
6 */
7
8 #include <linux/vmalloc.h>
9 #include <linux/interrupt.h>
10 #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 #include <net/vxlan.h>
20
21 #include "qlcnic.h"
22 #include "qlcnic_sriov.h"
23 #include "qlcnic_hw.h"
24
25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
26 MODULE_LICENSE("GPL");
27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30 char qlcnic_driver_name[] = "qlcnic";
31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
33
34 static int qlcnic_mac_learn;
35 module_param(qlcnic_mac_learn, int, 0444);
36 MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
38
39 int qlcnic_use_msi = 1;
40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
41 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
42
43 int qlcnic_use_msi_x = 1;
44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
46
47 int qlcnic_auto_fw_reset = 1;
48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
50
51 int qlcnic_load_fw_file;
52 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)");
53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
54
55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
56 static void qlcnic_remove(struct pci_dev *pdev);
57 static int qlcnic_open(struct net_device *netdev);
58 static int qlcnic_close(struct net_device *netdev);
59 static void qlcnic_tx_timeout(struct net_device *netdev);
60 static void qlcnic_attach_work(struct work_struct *work);
61 static void qlcnic_fwinit_work(struct work_struct *work);
62 #ifdef CONFIG_NET_POLL_CONTROLLER
63 static void qlcnic_poll_controller(struct net_device *netdev);
64 #endif
65
66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
68
69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
70 static irqreturn_t qlcnic_intr(int irq, void *data);
71 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
74
75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
76 static int qlcnic_start_firmware(struct qlcnic_adapter *);
77
78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
83
84 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
85 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
86 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
87 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
88 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
89 static void qlcnic_82xx_io_resume(struct pci_dev *);
90 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
91 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
92 pci_channel_state_t);
93 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
94 {
95 struct qlcnic_hardware_context *ahw = adapter->ahw;
96
97 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
98 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
99 else
100 return 1;
101 }
102
103 /* PCI Device ID Table */
104 #define ENTRY(device) \
105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
107
108 static const struct pci_device_id qlcnic_pci_tbl[] = {
109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
116 {0,}
117 };
118
119 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
120
121
122 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
123 {
124 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
125 }
126
127 static const u32 msi_tgt_status[8] = {
128 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
129 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
130 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
131 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
132 };
133
134 static const u32 qlcnic_reg_tbl[] = {
135 0x1B20A8, /* PEG_HALT_STAT1 */
136 0x1B20AC, /* PEG_HALT_STAT2 */
137 0x1B20B0, /* FW_HEARTBEAT */
138 0x1B2100, /* LOCK ID */
139 0x1B2128, /* FW_CAPABILITIES */
140 0x1B2138, /* drv active */
141 0x1B2140, /* dev state */
142 0x1B2144, /* drv state */
143 0x1B2148, /* drv scratch */
144 0x1B214C, /* dev partition info */
145 0x1B2174, /* drv idc ver */
146 0x1B2150, /* fw version major */
147 0x1B2154, /* fw version minor */
148 0x1B2158, /* fw version sub */
149 0x1B219C, /* npar state */
150 0x1B21FC, /* FW_IMG_VALID */
151 0x1B2250, /* CMD_PEG_STATE */
152 0x1B233C, /* RCV_PEG_STATE */
153 0x1B23B4, /* ASIC TEMP */
154 0x1B216C, /* FW api */
155 0x1B2170, /* drv op mode */
156 0x13C010, /* flash lock */
157 0x13C014, /* flash unlock */
158 };
159
160 static const struct qlcnic_board_info qlcnic_boards[] = {
161 { PCI_VENDOR_ID_QLOGIC,
162 PCI_DEVICE_ID_QLOGIC_QLE844X,
163 0x0,
164 0x0,
165 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
166 { PCI_VENDOR_ID_QLOGIC,
167 PCI_DEVICE_ID_QLOGIC_QLE834X,
168 PCI_VENDOR_ID_QLOGIC,
169 0x24e,
170 "8300 Series Dual Port 10GbE Converged Network Adapter "
171 "(TCP/IP Networking)" },
172 { PCI_VENDOR_ID_QLOGIC,
173 PCI_DEVICE_ID_QLOGIC_QLE834X,
174 PCI_VENDOR_ID_QLOGIC,
175 0x243,
176 "8300 Series Single Port 10GbE Converged Network Adapter "
177 "(TCP/IP Networking)" },
178 { PCI_VENDOR_ID_QLOGIC,
179 PCI_DEVICE_ID_QLOGIC_QLE834X,
180 PCI_VENDOR_ID_QLOGIC,
181 0x24a,
182 "8300 Series Dual Port 10GbE Converged Network Adapter "
183 "(TCP/IP Networking)" },
184 { PCI_VENDOR_ID_QLOGIC,
185 PCI_DEVICE_ID_QLOGIC_QLE834X,
186 PCI_VENDOR_ID_QLOGIC,
187 0x246,
188 "8300 Series Dual Port 10GbE Converged Network Adapter "
189 "(TCP/IP Networking)" },
190 { PCI_VENDOR_ID_QLOGIC,
191 PCI_DEVICE_ID_QLOGIC_QLE834X,
192 PCI_VENDOR_ID_QLOGIC,
193 0x252,
194 "8300 Series Dual Port 10GbE Converged Network Adapter "
195 "(TCP/IP Networking)" },
196 { PCI_VENDOR_ID_QLOGIC,
197 PCI_DEVICE_ID_QLOGIC_QLE834X,
198 PCI_VENDOR_ID_QLOGIC,
199 0x26e,
200 "8300 Series Dual Port 10GbE Converged Network Adapter "
201 "(TCP/IP Networking)" },
202 { PCI_VENDOR_ID_QLOGIC,
203 PCI_DEVICE_ID_QLOGIC_QLE834X,
204 PCI_VENDOR_ID_QLOGIC,
205 0x260,
206 "8300 Series Dual Port 10GbE Converged Network Adapter "
207 "(TCP/IP Networking)" },
208 { PCI_VENDOR_ID_QLOGIC,
209 PCI_DEVICE_ID_QLOGIC_QLE834X,
210 PCI_VENDOR_ID_QLOGIC,
211 0x266,
212 "8300 Series Single Port 10GbE Converged Network Adapter "
213 "(TCP/IP Networking)" },
214 { PCI_VENDOR_ID_QLOGIC,
215 PCI_DEVICE_ID_QLOGIC_QLE834X,
216 PCI_VENDOR_ID_QLOGIC,
217 0x269,
218 "8300 Series Dual Port 10GbE Converged Network Adapter "
219 "(TCP/IP Networking)" },
220 { PCI_VENDOR_ID_QLOGIC,
221 PCI_DEVICE_ID_QLOGIC_QLE834X,
222 PCI_VENDOR_ID_QLOGIC,
223 0x271,
224 "8300 Series Dual Port 10GbE Converged Network Adapter "
225 "(TCP/IP Networking)" },
226 { PCI_VENDOR_ID_QLOGIC,
227 PCI_DEVICE_ID_QLOGIC_QLE834X,
228 0x0, 0x0, "8300 Series 1/10GbE Controller" },
229 { PCI_VENDOR_ID_QLOGIC,
230 PCI_DEVICE_ID_QLOGIC_QLE8830,
231 0x0,
232 0x0,
233 "8830 Series 1/10GbE Controller" },
234 { PCI_VENDOR_ID_QLOGIC,
235 PCI_DEVICE_ID_QLOGIC_QLE824X,
236 PCI_VENDOR_ID_QLOGIC,
237 0x203,
238 "8200 Series Single Port 10GbE Converged Network Adapter"
239 "(TCP/IP Networking)" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 PCI_VENDOR_ID_QLOGIC,
243 0x207,
244 "8200 Series Dual Port 10GbE Converged Network Adapter"
245 "(TCP/IP Networking)" },
246 { PCI_VENDOR_ID_QLOGIC,
247 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 PCI_VENDOR_ID_QLOGIC,
249 0x20b,
250 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
251 { PCI_VENDOR_ID_QLOGIC,
252 PCI_DEVICE_ID_QLOGIC_QLE824X,
253 PCI_VENDOR_ID_QLOGIC,
254 0x20c,
255 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
256 { PCI_VENDOR_ID_QLOGIC,
257 PCI_DEVICE_ID_QLOGIC_QLE824X,
258 PCI_VENDOR_ID_QLOGIC,
259 0x20f,
260 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
261 { PCI_VENDOR_ID_QLOGIC,
262 PCI_DEVICE_ID_QLOGIC_QLE824X,
263 0x103c, 0x3733,
264 "NC523SFP 10Gb 2-port Server Adapter" },
265 { PCI_VENDOR_ID_QLOGIC,
266 PCI_DEVICE_ID_QLOGIC_QLE824X,
267 0x103c, 0x3346,
268 "CN1000Q Dual Port Converged Network Adapter" },
269 { PCI_VENDOR_ID_QLOGIC,
270 PCI_DEVICE_ID_QLOGIC_QLE824X,
271 PCI_VENDOR_ID_QLOGIC,
272 0x210,
273 "QME8242-k 10GbE Dual Port Mezzanine Card" },
274 { PCI_VENDOR_ID_QLOGIC,
275 PCI_DEVICE_ID_QLOGIC_QLE824X,
276 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
277 };
278
279 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
280
281 static const
282 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
283
284 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
285 {
286 int size = sizeof(struct qlcnic_host_sds_ring) * count;
287
288 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
289
290 return recv_ctx->sds_rings == NULL;
291 }
292
293 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
294 {
295 kfree(recv_ctx->sds_rings);
296 recv_ctx->sds_rings = NULL;
297 }
298
299 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
300 {
301 struct net_device *netdev = adapter->netdev;
302 struct pci_dev *pdev = adapter->pdev;
303 u8 mac_addr[ETH_ALEN];
304 int ret;
305
306 ret = qlcnic_get_mac_address(adapter, mac_addr,
307 adapter->ahw->pci_func);
308 if (ret)
309 return ret;
310
311 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
312 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
313
314 /* set station address */
315
316 if (!is_valid_ether_addr(netdev->dev_addr))
317 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
318 netdev->dev_addr);
319
320 return 0;
321 }
322
323 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
324 {
325 struct qlcnic_mac_vlan_list *cur;
326 struct list_head *head;
327
328 list_for_each(head, &adapter->mac_list) {
329 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
330 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
331 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
332 0, QLCNIC_MAC_DEL);
333 list_del(&cur->list);
334 kfree(cur);
335 return;
336 }
337 }
338 }
339
340 static int qlcnic_set_mac(struct net_device *netdev, void *p)
341 {
342 struct qlcnic_adapter *adapter = netdev_priv(netdev);
343 struct sockaddr *addr = p;
344
345 if (qlcnic_sriov_vf_check(adapter))
346 return -EINVAL;
347
348 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
349 return -EOPNOTSUPP;
350
351 if (!is_valid_ether_addr(addr->sa_data))
352 return -EINVAL;
353
354 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) &&
355 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data))
356 return 0;
357
358 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
359 netif_device_detach(netdev);
360 qlcnic_napi_disable(adapter);
361 }
362
363 qlcnic_delete_adapter_mac(adapter);
364 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
365 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
366 qlcnic_set_multi(adapter->netdev);
367
368 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
369 netif_device_attach(netdev);
370 qlcnic_napi_enable(adapter);
371 }
372 return 0;
373 }
374
375 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
376 struct net_device *netdev,
377 const unsigned char *addr, u16 vid)
378 {
379 struct qlcnic_adapter *adapter = netdev_priv(netdev);
380 int err = -EOPNOTSUPP;
381
382 if (!adapter->fdb_mac_learn)
383 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
384
385 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
386 qlcnic_sriov_check(adapter)) {
387 if (is_unicast_ether_addr(addr)) {
388 err = dev_uc_del(netdev, addr);
389 if (!err)
390 err = qlcnic_nic_del_mac(adapter, addr);
391 } else if (is_multicast_ether_addr(addr)) {
392 err = dev_mc_del(netdev, addr);
393 } else {
394 err = -EINVAL;
395 }
396 }
397 return err;
398 }
399
400 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
401 struct net_device *netdev,
402 const unsigned char *addr, u16 vid, u16 flags)
403 {
404 struct qlcnic_adapter *adapter = netdev_priv(netdev);
405 int err = 0;
406
407 if (!adapter->fdb_mac_learn)
408 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
409
410 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
411 !qlcnic_sriov_check(adapter)) {
412 pr_info("%s: FDB e-switch is not enabled\n", __func__);
413 return -EOPNOTSUPP;
414 }
415
416 if (ether_addr_equal(addr, adapter->mac_addr))
417 return err;
418
419 if (is_unicast_ether_addr(addr)) {
420 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
421 err = dev_uc_add_excl(netdev, addr);
422 else
423 err = -ENOMEM;
424 } else if (is_multicast_ether_addr(addr)) {
425 err = dev_mc_add_excl(netdev, addr);
426 } else {
427 err = -EINVAL;
428 }
429
430 return err;
431 }
432
433 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
434 struct net_device *netdev,
435 struct net_device *filter_dev, int *idx)
436 {
437 struct qlcnic_adapter *adapter = netdev_priv(netdev);
438 int err = 0;
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 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
446
447 return err;
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 static void qlcnic_add_vxlan_port(struct net_device *netdev,
477 struct udp_tunnel_info *ti)
478 {
479 struct qlcnic_adapter *adapter = netdev_priv(netdev);
480 struct qlcnic_hardware_context *ahw = adapter->ahw;
481
482 if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
483 return;
484
485 /* Adapter supports only one VXLAN port. Use very first port
486 * for enabling offload
487 */
488 if (!qlcnic_encap_rx_offload(adapter))
489 return;
490 if (!ahw->vxlan_port_count) {
491 ahw->vxlan_port_count = 1;
492 ahw->vxlan_port = ntohs(ti->port);
493 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
494 return;
495 }
496 if (ahw->vxlan_port == ntohs(ti->port))
497 ahw->vxlan_port_count++;
498
499 }
500
501 static void qlcnic_del_vxlan_port(struct net_device *netdev,
502 struct udp_tunnel_info *ti)
503 {
504 struct qlcnic_adapter *adapter = netdev_priv(netdev);
505 struct qlcnic_hardware_context *ahw = adapter->ahw;
506
507 if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
508 return;
509
510 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
511 (ahw->vxlan_port != ntohs(ti->port)))
512 return;
513
514 ahw->vxlan_port_count--;
515 if (!ahw->vxlan_port_count)
516 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
517 }
518
519 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
520 struct net_device *dev,
521 netdev_features_t features)
522 {
523 features = vlan_features_check(skb, features);
524 return vxlan_features_check(skb, features);
525 }
526
527 static const struct net_device_ops qlcnic_netdev_ops = {
528 .ndo_open = qlcnic_open,
529 .ndo_stop = qlcnic_close,
530 .ndo_start_xmit = qlcnic_xmit_frame,
531 .ndo_get_stats = qlcnic_get_stats,
532 .ndo_validate_addr = eth_validate_addr,
533 .ndo_set_rx_mode = qlcnic_set_multi,
534 .ndo_set_mac_address = qlcnic_set_mac,
535 .ndo_change_mtu = qlcnic_change_mtu,
536 .ndo_fix_features = qlcnic_fix_features,
537 .ndo_set_features = qlcnic_set_features,
538 .ndo_tx_timeout = qlcnic_tx_timeout,
539 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
540 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
541 .ndo_fdb_add = qlcnic_fdb_add,
542 .ndo_fdb_del = qlcnic_fdb_del,
543 .ndo_fdb_dump = qlcnic_fdb_dump,
544 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
545 .ndo_udp_tunnel_add = qlcnic_add_vxlan_port,
546 .ndo_udp_tunnel_del = qlcnic_del_vxlan_port,
547 .ndo_features_check = qlcnic_features_check,
548 #ifdef CONFIG_NET_POLL_CONTROLLER
549 .ndo_poll_controller = qlcnic_poll_controller,
550 #endif
551 #ifdef CONFIG_QLCNIC_SRIOV
552 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
553 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
554 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
555 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
556 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
557 #endif
558 };
559
560 static const struct net_device_ops qlcnic_netdev_failed_ops = {
561 .ndo_open = qlcnic_open,
562 };
563
564 static struct qlcnic_nic_template qlcnic_ops = {
565 .config_bridged_mode = qlcnic_config_bridged_mode,
566 .config_led = qlcnic_82xx_config_led,
567 .start_firmware = qlcnic_82xx_start_firmware,
568 .request_reset = qlcnic_82xx_dev_request_reset,
569 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
570 .napi_add = qlcnic_82xx_napi_add,
571 .napi_del = qlcnic_82xx_napi_del,
572 .config_ipaddr = qlcnic_82xx_config_ipaddr,
573 .shutdown = qlcnic_82xx_shutdown,
574 .resume = qlcnic_82xx_resume,
575 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
576 };
577
578 struct qlcnic_nic_template qlcnic_vf_ops = {
579 .config_bridged_mode = qlcnicvf_config_bridged_mode,
580 .config_led = qlcnicvf_config_led,
581 .start_firmware = qlcnicvf_start_firmware
582 };
583
584 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
585 .read_crb = qlcnic_82xx_read_crb,
586 .write_crb = qlcnic_82xx_write_crb,
587 .read_reg = qlcnic_82xx_hw_read_wx_2M,
588 .write_reg = qlcnic_82xx_hw_write_wx_2M,
589 .get_mac_address = qlcnic_82xx_get_mac_address,
590 .setup_intr = qlcnic_82xx_setup_intr,
591 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
592 .mbx_cmd = qlcnic_82xx_issue_cmd,
593 .get_func_no = qlcnic_82xx_get_func_no,
594 .api_lock = qlcnic_82xx_api_lock,
595 .api_unlock = qlcnic_82xx_api_unlock,
596 .add_sysfs = qlcnic_82xx_add_sysfs,
597 .remove_sysfs = qlcnic_82xx_remove_sysfs,
598 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
599 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
600 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
601 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
602 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
603 .setup_link_event = qlcnic_82xx_linkevent_request,
604 .get_nic_info = qlcnic_82xx_get_nic_info,
605 .get_pci_info = qlcnic_82xx_get_pci_info,
606 .set_nic_info = qlcnic_82xx_set_nic_info,
607 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
608 .napi_enable = qlcnic_82xx_napi_enable,
609 .napi_disable = qlcnic_82xx_napi_disable,
610 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
611 .config_rss = qlcnic_82xx_config_rss,
612 .config_hw_lro = qlcnic_82xx_config_hw_lro,
613 .config_loopback = qlcnic_82xx_set_lb_mode,
614 .clear_loopback = qlcnic_82xx_clear_lb_mode,
615 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
616 .change_l2_filter = qlcnic_82xx_change_filter,
617 .get_board_info = qlcnic_82xx_get_board_info,
618 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
619 .free_mac_list = qlcnic_82xx_free_mac_list,
620 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
621 .io_error_detected = qlcnic_82xx_io_error_detected,
622 .io_slot_reset = qlcnic_82xx_io_slot_reset,
623 .io_resume = qlcnic_82xx_io_resume,
624 .get_beacon_state = qlcnic_82xx_get_beacon_state,
625 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
626 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
627 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
628 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
629 .get_saved_state = qlcnic_82xx_get_saved_state,
630 .set_saved_state = qlcnic_82xx_set_saved_state,
631 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
632 .get_cap_size = qlcnic_82xx_get_cap_size,
633 .set_sys_info = qlcnic_82xx_set_sys_info,
634 .store_cap_mask = qlcnic_82xx_store_cap_mask,
635 };
636
637 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
638 {
639 struct qlcnic_hardware_context *ahw = adapter->ahw;
640
641 if (qlcnic_82xx_check(adapter) &&
642 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
643 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
644 return 0;
645 } else {
646 return 1;
647 }
648 }
649
650 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
651 int queue_type)
652 {
653 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
654
655 if (queue_type == QLCNIC_RX_QUEUE)
656 max_rings = adapter->max_sds_rings;
657 else if (queue_type == QLCNIC_TX_QUEUE)
658 max_rings = adapter->max_tx_rings;
659
660 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
661 max_rings));
662
663 if (ring_cnt > num_rings)
664 return num_rings;
665 else
666 return ring_cnt;
667 }
668
669 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
670 {
671 /* 83xx adapter does not have max_tx_rings intialized in probe */
672 if (adapter->max_tx_rings)
673 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
674 QLCNIC_TX_QUEUE);
675 else
676 adapter->drv_tx_rings = tx_cnt;
677 }
678
679 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
680 {
681 /* 83xx adapter does not have max_sds_rings intialized in probe */
682 if (adapter->max_sds_rings)
683 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
684 QLCNIC_RX_QUEUE);
685 else
686 adapter->drv_sds_rings = rx_cnt;
687 }
688
689 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
690 {
691 struct pci_dev *pdev = adapter->pdev;
692 int num_msix = 0, err = 0, vector;
693
694 adapter->flags &= ~QLCNIC_TSS_RSS;
695
696 if (adapter->drv_tss_rings > 0)
697 num_msix += adapter->drv_tss_rings;
698 else
699 num_msix += adapter->drv_tx_rings;
700
701 if (adapter->drv_rss_rings > 0)
702 num_msix += adapter->drv_rss_rings;
703 else
704 num_msix += adapter->drv_sds_rings;
705
706 if (qlcnic_83xx_check(adapter))
707 num_msix += 1;
708
709 if (!adapter->msix_entries) {
710 adapter->msix_entries = kcalloc(num_msix,
711 sizeof(struct msix_entry),
712 GFP_KERNEL);
713 if (!adapter->msix_entries)
714 return -ENOMEM;
715 }
716
717 for (vector = 0; vector < num_msix; vector++)
718 adapter->msix_entries[vector].entry = vector;
719
720 restore:
721 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
722 if (err == -ENOSPC) {
723 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
724 return err;
725
726 netdev_info(adapter->netdev,
727 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
728 num_msix, err);
729
730 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
731
732 /* Set rings to 0 so we can restore original TSS/RSS count */
733 adapter->drv_tss_rings = 0;
734 adapter->drv_rss_rings = 0;
735
736 if (qlcnic_83xx_check(adapter))
737 num_msix += 1;
738
739 netdev_info(adapter->netdev,
740 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
741 adapter->drv_tx_rings, adapter->drv_sds_rings,
742 num_msix);
743
744 goto restore;
745 } else if (err < 0) {
746 return err;
747 }
748
749 adapter->ahw->num_msix = num_msix;
750 if (adapter->drv_tss_rings > 0)
751 adapter->drv_tx_rings = adapter->drv_tss_rings;
752
753 if (adapter->drv_rss_rings > 0)
754 adapter->drv_sds_rings = adapter->drv_rss_rings;
755
756 return 0;
757 }
758
759 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
760 {
761 struct pci_dev *pdev = adapter->pdev;
762 int err, vector;
763
764 if (!adapter->msix_entries) {
765 adapter->msix_entries = kcalloc(num_msix,
766 sizeof(struct msix_entry),
767 GFP_KERNEL);
768 if (!adapter->msix_entries)
769 return -ENOMEM;
770 }
771
772 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
773
774 if (adapter->ahw->msix_supported) {
775 enable_msix:
776 for (vector = 0; vector < num_msix; vector++)
777 adapter->msix_entries[vector].entry = vector;
778
779 err = pci_enable_msix_range(pdev,
780 adapter->msix_entries, 1, num_msix);
781
782 if (err == num_msix) {
783 adapter->flags |= QLCNIC_MSIX_ENABLED;
784 adapter->ahw->num_msix = num_msix;
785 dev_info(&pdev->dev, "using msi-x interrupts\n");
786 return 0;
787 } else if (err > 0) {
788 pci_disable_msix(pdev);
789
790 dev_info(&pdev->dev,
791 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
792 num_msix, err);
793
794 if (qlcnic_82xx_check(adapter)) {
795 num_msix = rounddown_pow_of_two(err);
796 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
797 return -ENOSPC;
798 } else {
799 num_msix = rounddown_pow_of_two(err - 1);
800 num_msix += 1;
801 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
802 return -ENOSPC;
803 }
804
805 if (qlcnic_82xx_check(adapter) &&
806 !qlcnic_check_multi_tx(adapter)) {
807 adapter->drv_sds_rings = num_msix;
808 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
809 } else {
810 /* Distribute vectors equally */
811 adapter->drv_tx_rings = num_msix / 2;
812 adapter->drv_sds_rings = adapter->drv_tx_rings;
813 }
814
815 if (num_msix) {
816 dev_info(&pdev->dev,
817 "Trying to allocate %d MSI-X interrupt vectors\n",
818 num_msix);
819 goto enable_msix;
820 }
821 } else {
822 dev_info(&pdev->dev,
823 "Unable to allocate %d MSI-X vectors, err=%d\n",
824 num_msix, err);
825 return err;
826 }
827 }
828
829 return -EIO;
830 }
831
832 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
833 {
834 int num_msix;
835
836 num_msix = adapter->drv_sds_rings;
837
838 if (qlcnic_check_multi_tx(adapter))
839 num_msix += adapter->drv_tx_rings;
840 else
841 num_msix += QLCNIC_SINGLE_RING;
842
843 return num_msix;
844 }
845
846 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
847 {
848 int err = 0;
849 u32 offset, mask_reg;
850 const struct qlcnic_legacy_intr_set *legacy_intrp;
851 struct qlcnic_hardware_context *ahw = adapter->ahw;
852 struct pci_dev *pdev = adapter->pdev;
853
854 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
855 adapter->flags |= QLCNIC_MSI_ENABLED;
856 offset = msi_tgt_status[adapter->ahw->pci_func];
857 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
858 offset);
859 dev_info(&pdev->dev, "using msi interrupts\n");
860 adapter->msix_entries[0].vector = pdev->irq;
861 return err;
862 }
863
864 if (qlcnic_use_msi || qlcnic_use_msi_x)
865 return -EOPNOTSUPP;
866
867 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
868 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
869 offset = legacy_intrp->tgt_status_reg;
870 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
871 mask_reg = legacy_intrp->tgt_mask_reg;
872 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
873 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
874 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
875 dev_info(&pdev->dev, "using legacy interrupts\n");
876 adapter->msix_entries[0].vector = pdev->irq;
877 return err;
878 }
879
880 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
881 {
882 int num_msix, err = 0;
883
884 if (adapter->flags & QLCNIC_TSS_RSS) {
885 err = qlcnic_setup_tss_rss_intr(adapter);
886 if (err < 0)
887 return err;
888 num_msix = adapter->ahw->num_msix;
889 } else {
890 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
891
892 err = qlcnic_enable_msix(adapter, num_msix);
893 if (err == -ENOMEM)
894 return err;
895
896 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
897 qlcnic_disable_multi_tx(adapter);
898 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
899
900 err = qlcnic_enable_msi_legacy(adapter);
901 if (err)
902 return err;
903 }
904 }
905
906 return 0;
907 }
908
909 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
910 {
911 struct qlcnic_hardware_context *ahw = adapter->ahw;
912 int err, i;
913
914 if (qlcnic_check_multi_tx(adapter) &&
915 !ahw->diag_test &&
916 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
917 ahw->intr_tbl = vzalloc(ahw->num_msix *
918 sizeof(struct qlcnic_intrpt_config));
919 if (!ahw->intr_tbl)
920 return -ENOMEM;
921
922 for (i = 0; i < ahw->num_msix; i++) {
923 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
924 ahw->intr_tbl[i].id = i;
925 ahw->intr_tbl[i].src = 0;
926 }
927
928 err = qlcnic_82xx_config_intrpt(adapter, 1);
929 if (err)
930 dev_err(&adapter->pdev->dev,
931 "Failed to configure Interrupt for %d vector\n",
932 ahw->num_msix);
933 return err;
934 }
935
936 return 0;
937 }
938
939 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
940 {
941 if (adapter->flags & QLCNIC_MSIX_ENABLED)
942 pci_disable_msix(adapter->pdev);
943 if (adapter->flags & QLCNIC_MSI_ENABLED)
944 pci_disable_msi(adapter->pdev);
945
946 kfree(adapter->msix_entries);
947 adapter->msix_entries = NULL;
948
949 if (adapter->ahw->intr_tbl) {
950 vfree(adapter->ahw->intr_tbl);
951 adapter->ahw->intr_tbl = NULL;
952 }
953 }
954
955 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
956 {
957 if (ahw->pci_base0 != NULL)
958 iounmap(ahw->pci_base0);
959 }
960
961 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
962 {
963 struct qlcnic_hardware_context *ahw = adapter->ahw;
964 struct qlcnic_pci_info *pci_info;
965 int ret;
966
967 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
968 switch (ahw->port_type) {
969 case QLCNIC_GBE:
970 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
971 break;
972 case QLCNIC_XGBE:
973 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
974 break;
975 }
976 return 0;
977 }
978
979 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
980 return 0;
981
982 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
983 if (!pci_info)
984 return -ENOMEM;
985
986 ret = qlcnic_get_pci_info(adapter, pci_info);
987 kfree(pci_info);
988 return ret;
989 }
990
991 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
992 {
993 bool ret = false;
994
995 if (qlcnic_84xx_check(adapter)) {
996 ret = true;
997 } else if (qlcnic_83xx_check(adapter)) {
998 if (adapter->ahw->extra_capability[0] &
999 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
1000 ret = true;
1001 else
1002 ret = false;
1003 }
1004
1005 return ret;
1006 }
1007
1008 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
1009 {
1010 struct qlcnic_hardware_context *ahw = adapter->ahw;
1011 struct qlcnic_pci_info *pci_info;
1012 int i, id = 0, ret = 0, j = 0;
1013 u16 act_pci_func;
1014 u8 pfn;
1015
1016 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
1017 if (!pci_info)
1018 return -ENOMEM;
1019
1020 ret = qlcnic_get_pci_info(adapter, pci_info);
1021 if (ret)
1022 goto err_pci_info;
1023
1024 act_pci_func = ahw->total_nic_func;
1025
1026 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
1027 act_pci_func, GFP_KERNEL);
1028 if (!adapter->npars) {
1029 ret = -ENOMEM;
1030 goto err_pci_info;
1031 }
1032
1033 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1034 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1035 if (!adapter->eswitch) {
1036 ret = -ENOMEM;
1037 goto err_npars;
1038 }
1039
1040 for (i = 0; i < ahw->max_vnic_func; i++) {
1041 pfn = pci_info[i].id;
1042
1043 if (pfn >= ahw->max_vnic_func) {
1044 ret = -EINVAL;
1045 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1046 __func__, pfn, ahw->max_vnic_func);
1047 goto err_eswitch;
1048 }
1049
1050 if (!pci_info[i].active ||
1051 (pci_info[i].type != QLCNIC_TYPE_NIC))
1052 continue;
1053
1054 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1055 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1056 &id))
1057 adapter->npars[j].eswitch_status = true;
1058 else
1059 continue;
1060 } else {
1061 adapter->npars[j].eswitch_status = true;
1062 }
1063
1064 adapter->npars[j].pci_func = pfn;
1065 adapter->npars[j].active = (u8)pci_info[i].active;
1066 adapter->npars[j].type = (u8)pci_info[i].type;
1067 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1068 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1069 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1070
1071 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1072 j++;
1073 }
1074
1075 /* Update eSwitch status for adapters without per port eSwitch
1076 * configuration capability
1077 */
1078 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1079 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1080 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1081 }
1082
1083 kfree(pci_info);
1084 return 0;
1085
1086 err_eswitch:
1087 kfree(adapter->eswitch);
1088 adapter->eswitch = NULL;
1089 err_npars:
1090 kfree(adapter->npars);
1091 adapter->npars = NULL;
1092 err_pci_info:
1093 kfree(pci_info);
1094
1095 return ret;
1096 }
1097
1098 static int
1099 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1100 {
1101 u8 id;
1102 int ret;
1103 u32 data = QLCNIC_MGMT_FUNC;
1104 struct qlcnic_hardware_context *ahw = adapter->ahw;
1105
1106 ret = qlcnic_api_lock(adapter);
1107 if (ret)
1108 goto err_lock;
1109
1110 id = ahw->pci_func;
1111 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1112 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1113 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1114 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1115 qlcnic_api_unlock(adapter);
1116 err_lock:
1117 return ret;
1118 }
1119
1120 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1121 const struct pci_device_id *ent)
1122 {
1123 u32 op_mode, priv_level;
1124
1125 /* Determine FW API version */
1126 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1127 QLCNIC_FW_API);
1128
1129 /* Find PCI function number */
1130 qlcnic_get_func_no(adapter);
1131
1132 /* Determine function privilege level */
1133 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1134 if (op_mode == QLC_DEV_DRV_DEFAULT)
1135 priv_level = QLCNIC_MGMT_FUNC;
1136 else
1137 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1138
1139 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1140 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1141 dev_info(&adapter->pdev->dev,
1142 "HAL Version: %d Non Privileged function\n",
1143 adapter->ahw->fw_hal_version);
1144 adapter->nic_ops = &qlcnic_vf_ops;
1145 } else
1146 adapter->nic_ops = &qlcnic_ops;
1147 }
1148
1149 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1150 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1151 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1152 {
1153 switch (dev_id) {
1154 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1155 *bar = QLCNIC_82XX_BAR0_LENGTH;
1156 break;
1157 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1158 case PCI_DEVICE_ID_QLOGIC_QLE8830:
1159 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1161 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1162 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
1163 *bar = QLCNIC_83XX_BAR0_LENGTH;
1164 break;
1165 default:
1166 *bar = 0;
1167 }
1168 }
1169
1170 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1171 struct qlcnic_hardware_context *ahw)
1172 {
1173 u32 offset;
1174 void __iomem *mem_ptr0 = NULL;
1175 unsigned long mem_len, pci_len0 = 0, bar0_len;
1176
1177 /* remap phys address */
1178 mem_len = pci_resource_len(pdev, 0);
1179
1180 qlcnic_get_bar_length(pdev->device, &bar0_len);
1181 if (mem_len >= bar0_len) {
1182
1183 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1184 if (mem_ptr0 == NULL) {
1185 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1186 return -EIO;
1187 }
1188 pci_len0 = mem_len;
1189 } else {
1190 return -EIO;
1191 }
1192
1193 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1194
1195 ahw->pci_base0 = mem_ptr0;
1196 ahw->pci_len0 = pci_len0;
1197 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1198 qlcnic_get_ioaddr(ahw, offset);
1199
1200 return 0;
1201 }
1202
1203 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1204 int index)
1205 {
1206 struct pci_dev *pdev = adapter->pdev;
1207 unsigned short subsystem_vendor;
1208 bool ret = true;
1209
1210 subsystem_vendor = pdev->subsystem_vendor;
1211
1212 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1213 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1214 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1215 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1216 ret = true;
1217 else
1218 ret = false;
1219 }
1220
1221 return ret;
1222 }
1223
1224 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1225 {
1226 struct pci_dev *pdev = adapter->pdev;
1227 int i, found = 0;
1228
1229 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1230 if (qlcnic_boards[i].vendor == pdev->vendor &&
1231 qlcnic_boards[i].device == pdev->device &&
1232 qlcnic_validate_subsystem_id(adapter, i)) {
1233 found = 1;
1234 break;
1235 }
1236 }
1237
1238 if (!found)
1239 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1240 else
1241 sprintf(name, "%pM: %s" , adapter->mac_addr,
1242 qlcnic_boards[i].short_name);
1243 }
1244
1245 static void
1246 qlcnic_check_options(struct qlcnic_adapter *adapter)
1247 {
1248 int err;
1249 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1250 struct pci_dev *pdev = adapter->pdev;
1251 struct qlcnic_hardware_context *ahw = adapter->ahw;
1252 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1253
1254 prev_fw_version = adapter->fw_version;
1255
1256 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1257 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1258 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1259
1260 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1261
1262 err = qlcnic_get_board_info(adapter);
1263 if (err) {
1264 dev_err(&pdev->dev, "Error getting board config info.\n");
1265 return;
1266 }
1267 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1268 if (fw_dump->tmpl_hdr == NULL ||
1269 adapter->fw_version > prev_fw_version) {
1270 vfree(fw_dump->tmpl_hdr);
1271 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1272 dev_info(&pdev->dev,
1273 "Supports FW dump capability\n");
1274 }
1275 }
1276
1277 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1278 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1279
1280 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1281 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1282 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1283 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1284 } else {
1285 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1286 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1287 }
1288
1289 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1290 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1291
1292 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1293 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1294 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1295 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1296 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1297 }
1298
1299 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1300
1301 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1302
1303 adapter->max_rds_rings = MAX_RDS_RINGS;
1304 }
1305
1306 static int
1307 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1308 {
1309 struct qlcnic_info nic_info;
1310 int err = 0;
1311
1312 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1313 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1314 if (err)
1315 return err;
1316
1317 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1318 adapter->ahw->switch_mode = nic_info.switch_mode;
1319 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1320 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1321 adapter->ahw->capabilities = nic_info.capabilities;
1322
1323 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1324 u32 temp;
1325 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1326 if (err == -EIO)
1327 return err;
1328 adapter->ahw->extra_capability[0] = temp;
1329 } else {
1330 adapter->ahw->extra_capability[0] = 0;
1331 }
1332
1333 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1334 adapter->ahw->max_mtu = nic_info.max_mtu;
1335
1336 if (adapter->ahw->capabilities & BIT_6) {
1337 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1338 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1339 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1340 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1341
1342 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1343 } else {
1344 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1345 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1346 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1347 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1348 }
1349
1350 return err;
1351 }
1352
1353 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1354 struct qlcnic_esw_func_cfg *esw_cfg)
1355 {
1356 if (esw_cfg->discard_tagged)
1357 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1358 else
1359 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1360
1361 if (esw_cfg->vlan_id) {
1362 adapter->rx_pvid = esw_cfg->vlan_id;
1363 adapter->tx_pvid = esw_cfg->vlan_id;
1364 } else {
1365 adapter->rx_pvid = 0;
1366 adapter->tx_pvid = 0;
1367 }
1368 }
1369
1370 static int
1371 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1372 {
1373 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1374 int err;
1375
1376 if (qlcnic_sriov_vf_check(adapter)) {
1377 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1378 if (err) {
1379 netdev_err(netdev,
1380 "Cannot add VLAN filter for VLAN id %d, err=%d",
1381 vid, err);
1382 return err;
1383 }
1384 }
1385
1386 set_bit(vid, adapter->vlans);
1387 return 0;
1388 }
1389
1390 static int
1391 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1392 {
1393 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1394 int err;
1395
1396 if (qlcnic_sriov_vf_check(adapter)) {
1397 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1398 if (err) {
1399 netdev_err(netdev,
1400 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1401 vid, err);
1402 return err;
1403 }
1404 }
1405
1406 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1407 clear_bit(vid, adapter->vlans);
1408 return 0;
1409 }
1410
1411 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1412 struct qlcnic_esw_func_cfg *esw_cfg)
1413 {
1414 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1415 QLCNIC_PROMISC_DISABLED);
1416
1417 if (esw_cfg->mac_anti_spoof)
1418 adapter->flags |= QLCNIC_MACSPOOF;
1419
1420 if (!esw_cfg->mac_override)
1421 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1422
1423 if (!esw_cfg->promisc_mode)
1424 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1425 }
1426
1427 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1428 {
1429 struct qlcnic_esw_func_cfg esw_cfg;
1430
1431 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1432 return 0;
1433
1434 esw_cfg.pci_func = adapter->ahw->pci_func;
1435 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1436 return -EIO;
1437 qlcnic_set_vlan_config(adapter, &esw_cfg);
1438 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1439 qlcnic_set_netdev_features(adapter, &esw_cfg);
1440
1441 return 0;
1442 }
1443
1444 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1445 struct qlcnic_esw_func_cfg *esw_cfg)
1446 {
1447 struct net_device *netdev = adapter->netdev;
1448
1449 if (qlcnic_83xx_check(adapter))
1450 return;
1451
1452 adapter->offload_flags = esw_cfg->offload_flags;
1453 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1454 netdev_update_features(netdev);
1455 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1456 }
1457
1458 static int
1459 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1460 {
1461 u32 op_mode, priv_level;
1462 int err = 0;
1463
1464 err = qlcnic_initialize_nic(adapter);
1465 if (err)
1466 return err;
1467
1468 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1469 return 0;
1470
1471 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1472 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1473
1474 if (op_mode == QLC_DEV_DRV_DEFAULT)
1475 priv_level = QLCNIC_MGMT_FUNC;
1476 else
1477 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1478
1479 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1480 if (priv_level == QLCNIC_MGMT_FUNC) {
1481 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1482 err = qlcnic_init_pci_info(adapter);
1483 if (err)
1484 return err;
1485 /* Set privilege level for other functions */
1486 qlcnic_set_function_modes(adapter);
1487 dev_info(&adapter->pdev->dev,
1488 "HAL Version: %d, Management function\n",
1489 adapter->ahw->fw_hal_version);
1490 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1491 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1492 dev_info(&adapter->pdev->dev,
1493 "HAL Version: %d, Privileged function\n",
1494 adapter->ahw->fw_hal_version);
1495 }
1496 } else {
1497 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1498 }
1499
1500 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1501
1502 return err;
1503 }
1504
1505 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1506 {
1507 struct qlcnic_esw_func_cfg esw_cfg;
1508 struct qlcnic_npar_info *npar;
1509 u8 i;
1510
1511 if (adapter->need_fw_reset)
1512 return 0;
1513
1514 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1515 if (!adapter->npars[i].eswitch_status)
1516 continue;
1517
1518 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1519 esw_cfg.pci_func = adapter->npars[i].pci_func;
1520 esw_cfg.mac_override = BIT_0;
1521 esw_cfg.promisc_mode = BIT_0;
1522 if (qlcnic_82xx_check(adapter)) {
1523 esw_cfg.offload_flags = BIT_0;
1524 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1525 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1526 }
1527 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1528 return -EIO;
1529 npar = &adapter->npars[i];
1530 npar->pvid = esw_cfg.vlan_id;
1531 npar->mac_override = esw_cfg.mac_override;
1532 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1533 npar->discard_tagged = esw_cfg.discard_tagged;
1534 npar->promisc_mode = esw_cfg.promisc_mode;
1535 npar->offload_flags = esw_cfg.offload_flags;
1536 }
1537
1538 return 0;
1539 }
1540
1541
1542 static int
1543 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1544 struct qlcnic_npar_info *npar, int pci_func)
1545 {
1546 struct qlcnic_esw_func_cfg esw_cfg;
1547 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1548 esw_cfg.pci_func = pci_func;
1549 esw_cfg.vlan_id = npar->pvid;
1550 esw_cfg.mac_override = npar->mac_override;
1551 esw_cfg.discard_tagged = npar->discard_tagged;
1552 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1553 esw_cfg.offload_flags = npar->offload_flags;
1554 esw_cfg.promisc_mode = npar->promisc_mode;
1555 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1556 return -EIO;
1557
1558 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1559 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1560 return -EIO;
1561
1562 return 0;
1563 }
1564
1565 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1566 {
1567 int i, err;
1568 struct qlcnic_npar_info *npar;
1569 struct qlcnic_info nic_info;
1570 u8 pci_func;
1571
1572 if (qlcnic_82xx_check(adapter))
1573 if (!adapter->need_fw_reset)
1574 return 0;
1575
1576 /* Set the NPAR config data after FW reset */
1577 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1578 npar = &adapter->npars[i];
1579 pci_func = npar->pci_func;
1580 if (!adapter->npars[i].eswitch_status)
1581 continue;
1582
1583 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1584 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1585 if (err)
1586 return err;
1587 nic_info.min_tx_bw = npar->min_bw;
1588 nic_info.max_tx_bw = npar->max_bw;
1589 err = qlcnic_set_nic_info(adapter, &nic_info);
1590 if (err)
1591 return err;
1592
1593 if (npar->enable_pm) {
1594 err = qlcnic_config_port_mirroring(adapter,
1595 npar->dest_npar, 1,
1596 pci_func);
1597 if (err)
1598 return err;
1599 }
1600 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1601 if (err)
1602 return err;
1603 }
1604 return 0;
1605 }
1606
1607 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1608 {
1609 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1610 u32 npar_state;
1611
1612 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1613 return 0;
1614
1615 npar_state = QLC_SHARED_REG_RD32(adapter,
1616 QLCNIC_CRB_DEV_NPAR_STATE);
1617 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1618 msleep(1000);
1619 npar_state = QLC_SHARED_REG_RD32(adapter,
1620 QLCNIC_CRB_DEV_NPAR_STATE);
1621 }
1622 if (!npar_opt_timeo) {
1623 dev_err(&adapter->pdev->dev,
1624 "Waiting for NPAR state to operational timeout\n");
1625 return -EIO;
1626 }
1627 return 0;
1628 }
1629
1630 static int
1631 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1632 {
1633 int err;
1634
1635 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1636 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1637 return 0;
1638
1639 err = qlcnic_set_default_offload_settings(adapter);
1640 if (err)
1641 return err;
1642
1643 err = qlcnic_reset_npar_config(adapter);
1644 if (err)
1645 return err;
1646
1647 qlcnic_dev_set_npar_ready(adapter);
1648
1649 return err;
1650 }
1651
1652 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1653 {
1654 int err;
1655
1656 err = qlcnic_can_start_firmware(adapter);
1657 if (err < 0)
1658 return err;
1659 else if (!err)
1660 goto check_fw_status;
1661
1662 if (qlcnic_load_fw_file)
1663 qlcnic_request_firmware(adapter);
1664 else {
1665 err = qlcnic_check_flash_fw_ver(adapter);
1666 if (err)
1667 goto err_out;
1668
1669 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1670 }
1671
1672 err = qlcnic_need_fw_reset(adapter);
1673 if (err == 0)
1674 goto check_fw_status;
1675
1676 err = qlcnic_pinit_from_rom(adapter);
1677 if (err)
1678 goto err_out;
1679
1680 err = qlcnic_load_firmware(adapter);
1681 if (err)
1682 goto err_out;
1683
1684 qlcnic_release_firmware(adapter);
1685 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1686
1687 check_fw_status:
1688 err = qlcnic_check_fw_status(adapter);
1689 if (err)
1690 goto err_out;
1691
1692 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1693 qlcnic_idc_debug_info(adapter, 1);
1694 err = qlcnic_check_eswitch_mode(adapter);
1695 if (err) {
1696 dev_err(&adapter->pdev->dev,
1697 "Memory allocation failed for eswitch\n");
1698 goto err_out;
1699 }
1700 err = qlcnic_set_mgmt_operations(adapter);
1701 if (err)
1702 goto err_out;
1703
1704 qlcnic_check_options(adapter);
1705 adapter->need_fw_reset = 0;
1706
1707 qlcnic_release_firmware(adapter);
1708 return 0;
1709
1710 err_out:
1711 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1712 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1713
1714 qlcnic_release_firmware(adapter);
1715 return err;
1716 }
1717
1718 static int
1719 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1720 {
1721 irq_handler_t handler;
1722 struct qlcnic_host_sds_ring *sds_ring;
1723 struct qlcnic_host_tx_ring *tx_ring;
1724 int err, ring, num_sds_rings;
1725
1726 unsigned long flags = 0;
1727 struct net_device *netdev = adapter->netdev;
1728 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1729
1730 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1731 if (qlcnic_82xx_check(adapter))
1732 handler = qlcnic_tmp_intr;
1733 else
1734 handler = qlcnic_83xx_tmp_intr;
1735 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1736 flags |= IRQF_SHARED;
1737
1738 } else {
1739 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1740 handler = qlcnic_msix_intr;
1741 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1742 handler = qlcnic_msi_intr;
1743 else {
1744 flags |= IRQF_SHARED;
1745 if (qlcnic_82xx_check(adapter))
1746 handler = qlcnic_intr;
1747 else
1748 handler = qlcnic_83xx_intr;
1749 }
1750 }
1751 adapter->irq = netdev->irq;
1752
1753 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1754 if (qlcnic_82xx_check(adapter) ||
1755 (qlcnic_83xx_check(adapter) &&
1756 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1757 num_sds_rings = adapter->drv_sds_rings;
1758 for (ring = 0; ring < num_sds_rings; ring++) {
1759 sds_ring = &recv_ctx->sds_rings[ring];
1760 if (qlcnic_82xx_check(adapter) &&
1761 !qlcnic_check_multi_tx(adapter) &&
1762 (ring == (num_sds_rings - 1))) {
1763 if (!(adapter->flags &
1764 QLCNIC_MSIX_ENABLED))
1765 snprintf(sds_ring->name,
1766 sizeof(sds_ring->name),
1767 "qlcnic");
1768 else
1769 snprintf(sds_ring->name,
1770 sizeof(sds_ring->name),
1771 "%s-tx-0-rx-%d",
1772 netdev->name, ring);
1773 } else {
1774 snprintf(sds_ring->name,
1775 sizeof(sds_ring->name),
1776 "%s-rx-%d",
1777 netdev->name, ring);
1778 }
1779 err = request_irq(sds_ring->irq, handler, flags,
1780 sds_ring->name, sds_ring);
1781 if (err)
1782 return err;
1783 }
1784 }
1785 if ((qlcnic_82xx_check(adapter) &&
1786 qlcnic_check_multi_tx(adapter)) ||
1787 (qlcnic_83xx_check(adapter) &&
1788 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1789 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1790 handler = qlcnic_msix_tx_intr;
1791 for (ring = 0; ring < adapter->drv_tx_rings;
1792 ring++) {
1793 tx_ring = &adapter->tx_ring[ring];
1794 snprintf(tx_ring->name, sizeof(tx_ring->name),
1795 "%s-tx-%d", netdev->name, ring);
1796 err = request_irq(tx_ring->irq, handler, flags,
1797 tx_ring->name, tx_ring);
1798 if (err)
1799 return err;
1800 }
1801 }
1802 }
1803 return 0;
1804 }
1805
1806 static void
1807 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1808 {
1809 int ring;
1810 struct qlcnic_host_sds_ring *sds_ring;
1811 struct qlcnic_host_tx_ring *tx_ring;
1812
1813 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1814
1815 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1816 if (qlcnic_82xx_check(adapter) ||
1817 (qlcnic_83xx_check(adapter) &&
1818 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1819 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1820 sds_ring = &recv_ctx->sds_rings[ring];
1821 free_irq(sds_ring->irq, sds_ring);
1822 }
1823 }
1824 if ((qlcnic_83xx_check(adapter) &&
1825 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1826 (qlcnic_82xx_check(adapter) &&
1827 qlcnic_check_multi_tx(adapter))) {
1828 for (ring = 0; ring < adapter->drv_tx_rings;
1829 ring++) {
1830 tx_ring = &adapter->tx_ring[ring];
1831 if (tx_ring->irq)
1832 free_irq(tx_ring->irq, tx_ring);
1833 }
1834 }
1835 }
1836 }
1837
1838 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1839 {
1840 u32 capab = 0;
1841
1842 if (qlcnic_82xx_check(adapter)) {
1843 if (adapter->ahw->extra_capability[0] &
1844 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1845 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1846 } else {
1847 capab = adapter->ahw->capabilities;
1848 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1849 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1850 }
1851 }
1852
1853 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1854 {
1855 struct qlcnic_hardware_context *ahw = adapter->ahw;
1856 int err;
1857
1858 /* Initialize interrupt coalesce parameters */
1859 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1860
1861 if (qlcnic_83xx_check(adapter)) {
1862 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1863 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1864 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1865 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1866 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1867
1868 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1869 } else {
1870 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1871 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1872 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1873
1874 err = qlcnic_82xx_set_rx_coalesce(adapter);
1875 }
1876
1877 return err;
1878 }
1879
1880 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1881 {
1882 int ring;
1883 struct qlcnic_host_rds_ring *rds_ring;
1884
1885 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1886 return -EIO;
1887
1888 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1889 return 0;
1890
1891 if (qlcnic_set_eswitch_port_config(adapter))
1892 return -EIO;
1893
1894 qlcnic_get_lro_mss_capability(adapter);
1895
1896 if (qlcnic_fw_create_ctx(adapter))
1897 return -EIO;
1898
1899 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1900 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1901 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1902 }
1903
1904 qlcnic_set_multi(netdev);
1905 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1906
1907 adapter->ahw->linkup = 0;
1908
1909 if (adapter->drv_sds_rings > 1)
1910 qlcnic_config_rss(adapter, 1);
1911
1912 qlcnic_config_def_intr_coalesce(adapter);
1913
1914 if (netdev->features & NETIF_F_LRO)
1915 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1916
1917 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1918 qlcnic_napi_enable(adapter);
1919
1920 qlcnic_linkevent_request(adapter, 1);
1921
1922 adapter->ahw->reset_context = 0;
1923 netif_tx_start_all_queues(netdev);
1924 return 0;
1925 }
1926
1927 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1928 {
1929 int err = 0;
1930
1931 rtnl_lock();
1932 if (netif_running(netdev))
1933 err = __qlcnic_up(adapter, netdev);
1934 rtnl_unlock();
1935
1936 return err;
1937 }
1938
1939 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1940 {
1941 int ring;
1942
1943 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1944 return;
1945
1946 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1947 return;
1948
1949 smp_mb();
1950 netif_carrier_off(netdev);
1951 adapter->ahw->linkup = 0;
1952 netif_tx_disable(netdev);
1953
1954 qlcnic_free_mac_list(adapter);
1955
1956 if (adapter->fhash.fnum)
1957 qlcnic_delete_lb_filters(adapter);
1958
1959 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1960 if (qlcnic_sriov_vf_check(adapter))
1961 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1962
1963 qlcnic_napi_disable(adapter);
1964
1965 qlcnic_fw_destroy_ctx(adapter);
1966 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1967
1968 qlcnic_reset_rx_buffers_list(adapter);
1969
1970 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1971 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1972 }
1973
1974 /* Usage: During suspend and firmware recovery module */
1975
1976 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1977 {
1978 rtnl_lock();
1979 if (netif_running(netdev))
1980 __qlcnic_down(adapter, netdev);
1981 rtnl_unlock();
1982
1983 }
1984
1985 int
1986 qlcnic_attach(struct qlcnic_adapter *adapter)
1987 {
1988 struct net_device *netdev = adapter->netdev;
1989 struct pci_dev *pdev = adapter->pdev;
1990 int err;
1991
1992 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1993 return 0;
1994
1995 err = qlcnic_napi_add(adapter, netdev);
1996 if (err)
1997 return err;
1998
1999 err = qlcnic_alloc_sw_resources(adapter);
2000 if (err) {
2001 dev_err(&pdev->dev, "Error in setting sw resources\n");
2002 goto err_out_napi_del;
2003 }
2004
2005 err = qlcnic_alloc_hw_resources(adapter);
2006 if (err) {
2007 dev_err(&pdev->dev, "Error in setting hw resources\n");
2008 goto err_out_free_sw;
2009 }
2010
2011 err = qlcnic_request_irq(adapter);
2012 if (err) {
2013 dev_err(&pdev->dev, "failed to setup interrupt\n");
2014 goto err_out_free_hw;
2015 }
2016
2017 qlcnic_create_sysfs_entries(adapter);
2018
2019 if (qlcnic_encap_rx_offload(adapter))
2020 udp_tunnel_get_rx_info(netdev);
2021
2022 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2023 return 0;
2024
2025 err_out_free_hw:
2026 qlcnic_free_hw_resources(adapter);
2027 err_out_free_sw:
2028 qlcnic_free_sw_resources(adapter);
2029 err_out_napi_del:
2030 qlcnic_napi_del(adapter);
2031 return err;
2032 }
2033
2034 void qlcnic_detach(struct qlcnic_adapter *adapter)
2035 {
2036 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2037 return;
2038
2039 qlcnic_remove_sysfs_entries(adapter);
2040
2041 qlcnic_free_hw_resources(adapter);
2042 qlcnic_release_rx_buffers(adapter);
2043 qlcnic_free_irq(adapter);
2044 qlcnic_napi_del(adapter);
2045 qlcnic_free_sw_resources(adapter);
2046
2047 adapter->is_up = 0;
2048 }
2049
2050 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2051 {
2052 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2053 struct qlcnic_host_sds_ring *sds_ring;
2054 int drv_tx_rings = adapter->drv_tx_rings;
2055 int ring;
2056
2057 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2058 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2059 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2060 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2061 qlcnic_disable_sds_intr(adapter, sds_ring);
2062 }
2063 }
2064
2065 qlcnic_fw_destroy_ctx(adapter);
2066
2067 qlcnic_detach(adapter);
2068
2069 adapter->ahw->diag_test = 0;
2070 adapter->drv_sds_rings = drv_sds_rings;
2071 adapter->drv_tx_rings = drv_tx_rings;
2072
2073 if (qlcnic_attach(adapter))
2074 goto out;
2075
2076 if (netif_running(netdev))
2077 __qlcnic_up(adapter, netdev);
2078 out:
2079 netif_device_attach(netdev);
2080 }
2081
2082 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2083 {
2084 struct qlcnic_hardware_context *ahw = adapter->ahw;
2085 int err = 0;
2086
2087 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2088 GFP_KERNEL);
2089 if (!adapter->recv_ctx) {
2090 err = -ENOMEM;
2091 goto err_out;
2092 }
2093
2094 if (qlcnic_83xx_check(adapter)) {
2095 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2096 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2097 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2098 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2099 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2100 } else {
2101 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2102 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2103 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2104 }
2105
2106 /* clear stats */
2107 memset(&adapter->stats, 0, sizeof(adapter->stats));
2108 err_out:
2109 return err;
2110 }
2111
2112 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2113 {
2114 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2115
2116 kfree(adapter->recv_ctx);
2117 adapter->recv_ctx = NULL;
2118
2119 if (fw_dump->tmpl_hdr) {
2120 vfree(fw_dump->tmpl_hdr);
2121 fw_dump->tmpl_hdr = NULL;
2122 }
2123
2124 if (fw_dump->dma_buffer) {
2125 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2126 fw_dump->dma_buffer, fw_dump->phys_addr);
2127 fw_dump->dma_buffer = NULL;
2128 }
2129
2130 kfree(adapter->ahw->reset.buff);
2131 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2132 }
2133
2134 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2135 {
2136 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2137 struct qlcnic_host_sds_ring *sds_ring;
2138 struct qlcnic_host_rds_ring *rds_ring;
2139 int ring;
2140 int ret;
2141
2142 netif_device_detach(netdev);
2143
2144 if (netif_running(netdev))
2145 __qlcnic_down(adapter, netdev);
2146
2147 qlcnic_detach(adapter);
2148
2149 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2150 adapter->ahw->diag_test = test;
2151 adapter->ahw->linkup = 0;
2152
2153 ret = qlcnic_attach(adapter);
2154 if (ret) {
2155 netif_device_attach(netdev);
2156 return ret;
2157 }
2158
2159 ret = qlcnic_fw_create_ctx(adapter);
2160 if (ret) {
2161 qlcnic_detach(adapter);
2162 netif_device_attach(netdev);
2163 return ret;
2164 }
2165
2166 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2167 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2168 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2169 }
2170
2171 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2172 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2173 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2174 qlcnic_enable_sds_intr(adapter, sds_ring);
2175 }
2176 }
2177
2178 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2179 adapter->ahw->loopback_state = 0;
2180 qlcnic_linkevent_request(adapter, 1);
2181 }
2182
2183 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2184
2185 return 0;
2186 }
2187
2188 /* Reset context in hardware only */
2189 static int
2190 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2191 {
2192 struct net_device *netdev = adapter->netdev;
2193
2194 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2195 return -EBUSY;
2196
2197 netif_device_detach(netdev);
2198
2199 qlcnic_down(adapter, netdev);
2200
2201 qlcnic_up(adapter, netdev);
2202
2203 netif_device_attach(netdev);
2204
2205 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2206 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2207 return 0;
2208 }
2209
2210 int
2211 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2212 {
2213 int err = 0;
2214 struct net_device *netdev = adapter->netdev;
2215
2216 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2217 return -EBUSY;
2218
2219 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2220
2221 netif_device_detach(netdev);
2222
2223 if (netif_running(netdev))
2224 __qlcnic_down(adapter, netdev);
2225
2226 qlcnic_detach(adapter);
2227
2228 if (netif_running(netdev)) {
2229 err = qlcnic_attach(adapter);
2230 if (!err) {
2231 __qlcnic_up(adapter, netdev);
2232 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2233 }
2234 }
2235
2236 netif_device_attach(netdev);
2237 }
2238
2239 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2240 return err;
2241 }
2242
2243 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2244 {
2245 struct qlcnic_hardware_context *ahw = adapter->ahw;
2246 u16 act_pci_fn = ahw->total_nic_func;
2247 u16 count;
2248
2249 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2250 if (act_pci_fn <= 2)
2251 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2252 act_pci_fn;
2253 else
2254 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2255 act_pci_fn;
2256 ahw->max_uc_count = count;
2257 }
2258
2259 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2260 u8 tx_queues, u8 rx_queues)
2261 {
2262 struct net_device *netdev = adapter->netdev;
2263 int err = 0;
2264
2265 if (tx_queues) {
2266 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2267 if (err) {
2268 netdev_err(netdev, "failed to set %d Tx queues\n",
2269 tx_queues);
2270 return err;
2271 }
2272 }
2273
2274 if (rx_queues) {
2275 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2276 if (err)
2277 netdev_err(netdev, "failed to set %d Rx queues\n",
2278 rx_queues);
2279 }
2280
2281 return err;
2282 }
2283
2284 int
2285 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2286 int pci_using_dac)
2287 {
2288 int err;
2289 struct pci_dev *pdev = adapter->pdev;
2290
2291 adapter->rx_csum = 1;
2292 adapter->ahw->mc_enabled = 0;
2293 qlcnic_set_mac_filter_count(adapter);
2294
2295 netdev->netdev_ops = &qlcnic_netdev_ops;
2296 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2297
2298 qlcnic_change_mtu(netdev, netdev->mtu);
2299
2300 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2301 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2302
2303 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2304 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2305 NETIF_F_HW_VLAN_CTAG_RX);
2306 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2307 NETIF_F_IPV6_CSUM);
2308
2309 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2310 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2311 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2312 }
2313
2314 if (pci_using_dac) {
2315 netdev->features |= NETIF_F_HIGHDMA;
2316 netdev->vlan_features |= NETIF_F_HIGHDMA;
2317 }
2318
2319 if (qlcnic_vlan_tx_check(adapter))
2320 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2321
2322 if (qlcnic_sriov_vf_check(adapter))
2323 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2324
2325 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2326 netdev->features |= NETIF_F_LRO;
2327
2328 if (qlcnic_encap_tx_offload(adapter)) {
2329 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2330
2331 /* encapsulation Tx offload supported by Adapter */
2332 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2333 NETIF_F_GSO_UDP_TUNNEL |
2334 NETIF_F_TSO |
2335 NETIF_F_TSO6;
2336 }
2337
2338 if (qlcnic_encap_rx_offload(adapter))
2339 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2340
2341 netdev->hw_features = netdev->features;
2342 netdev->priv_flags |= IFF_UNICAST_FLT;
2343 netdev->irq = adapter->msix_entries[0].vector;
2344
2345 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2346 adapter->drv_sds_rings);
2347 if (err)
2348 return err;
2349
2350 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2351
2352 err = register_netdev(netdev);
2353 if (err) {
2354 dev_err(&pdev->dev, "failed to register net device\n");
2355 return err;
2356 }
2357
2358 return 0;
2359 }
2360
2361 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2362 {
2363 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2364 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2365 *pci_using_dac = 1;
2366 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2367 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2368 *pci_using_dac = 0;
2369 else {
2370 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2371 return -EIO;
2372 }
2373
2374 return 0;
2375 }
2376
2377 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2378 {
2379 int ring;
2380 struct qlcnic_host_tx_ring *tx_ring;
2381
2382 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2383 tx_ring = &adapter->tx_ring[ring];
2384 if (tx_ring) {
2385 vfree(tx_ring->cmd_buf_arr);
2386 tx_ring->cmd_buf_arr = NULL;
2387 }
2388 }
2389 kfree(adapter->tx_ring);
2390 }
2391
2392 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2393 struct net_device *netdev)
2394 {
2395 int ring, vector, index;
2396 struct qlcnic_host_tx_ring *tx_ring;
2397 struct qlcnic_cmd_buffer *cmd_buf_arr;
2398
2399 tx_ring = kcalloc(adapter->drv_tx_rings,
2400 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2401 if (tx_ring == NULL)
2402 return -ENOMEM;
2403
2404 adapter->tx_ring = tx_ring;
2405
2406 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2407 tx_ring = &adapter->tx_ring[ring];
2408 tx_ring->num_desc = adapter->num_txd;
2409 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2410 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2411 if (cmd_buf_arr == NULL) {
2412 qlcnic_free_tx_rings(adapter);
2413 return -ENOMEM;
2414 }
2415 tx_ring->cmd_buf_arr = cmd_buf_arr;
2416 spin_lock_init(&tx_ring->tx_clean_lock);
2417 }
2418
2419 if (qlcnic_83xx_check(adapter) ||
2420 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2421 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2422 tx_ring = &adapter->tx_ring[ring];
2423 tx_ring->adapter = adapter;
2424 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2425 index = adapter->drv_sds_rings + ring;
2426 vector = adapter->msix_entries[index].vector;
2427 tx_ring->irq = vector;
2428 }
2429 }
2430 }
2431
2432 return 0;
2433 }
2434
2435 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2436 {
2437 struct qlcnic_hardware_context *ahw = adapter->ahw;
2438 u32 fw_cmd = 0;
2439
2440 if (qlcnic_82xx_check(adapter))
2441 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2442 else if (qlcnic_83xx_check(adapter))
2443 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2444
2445 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2446 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2447 }
2448
2449 /* Reset firmware API lock */
2450 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2451 {
2452 qlcnic_api_lock(adapter);
2453 qlcnic_api_unlock(adapter);
2454 }
2455
2456
2457 static int
2458 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2459 {
2460 struct net_device *netdev = NULL;
2461 struct qlcnic_adapter *adapter = NULL;
2462 struct qlcnic_hardware_context *ahw;
2463 int err, pci_using_dac = -1;
2464 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2465
2466 err = pci_enable_device(pdev);
2467 if (err)
2468 return err;
2469
2470 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2471 err = -ENODEV;
2472 goto err_out_disable_pdev;
2473 }
2474
2475 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2476 if (err)
2477 goto err_out_disable_pdev;
2478
2479 err = pci_request_regions(pdev, qlcnic_driver_name);
2480 if (err)
2481 goto err_out_disable_pdev;
2482
2483 pci_set_master(pdev);
2484 pci_enable_pcie_error_reporting(pdev);
2485
2486 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2487 if (!ahw) {
2488 err = -ENOMEM;
2489 goto err_out_free_res;
2490 }
2491
2492 switch (ent->device) {
2493 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2494 ahw->hw_ops = &qlcnic_hw_ops;
2495 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2496 break;
2497 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2498 case PCI_DEVICE_ID_QLOGIC_QLE8830:
2499 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2500 qlcnic_83xx_register_map(ahw);
2501 break;
2502 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2503 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
2504 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2505 qlcnic_sriov_vf_register_map(ahw);
2506 break;
2507 default:
2508 goto err_out_free_hw_res;
2509 }
2510
2511 err = qlcnic_setup_pci_map(pdev, ahw);
2512 if (err)
2513 goto err_out_free_hw_res;
2514
2515 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2516 QLCNIC_MAX_TX_RINGS);
2517 if (!netdev) {
2518 err = -ENOMEM;
2519 goto err_out_iounmap;
2520 }
2521
2522 SET_NETDEV_DEV(netdev, &pdev->dev);
2523
2524 adapter = netdev_priv(netdev);
2525 adapter->netdev = netdev;
2526 adapter->pdev = pdev;
2527 adapter->ahw = ahw;
2528
2529 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2530 if (adapter->qlcnic_wq == NULL) {
2531 err = -ENOMEM;
2532 dev_err(&pdev->dev, "Failed to create workqueue\n");
2533 goto err_out_free_netdev;
2534 }
2535
2536 err = qlcnic_alloc_adapter_resources(adapter);
2537 if (err)
2538 goto err_out_free_wq;
2539
2540 adapter->dev_rst_time = jiffies;
2541 ahw->revision_id = pdev->revision;
2542 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2543 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2544 adapter->fdb_mac_learn = true;
2545 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2546 adapter->drv_mac_learn = true;
2547
2548 rwlock_init(&adapter->ahw->crb_lock);
2549 mutex_init(&adapter->ahw->mem_lock);
2550
2551 INIT_LIST_HEAD(&adapter->mac_list);
2552
2553 qlcnic_register_dcb(adapter);
2554
2555 if (qlcnic_82xx_check(adapter)) {
2556 qlcnic_check_vf(adapter, ent);
2557 adapter->portnum = adapter->ahw->pci_func;
2558 qlcnic_reset_api_lock(adapter);
2559 err = qlcnic_start_firmware(adapter);
2560 if (err) {
2561 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2562 "\t\tIf reboot doesn't help, try flashing the card\n");
2563 goto err_out_maintenance_mode;
2564 }
2565
2566 /* compute and set default and max tx/sds rings */
2567 if (adapter->ahw->msix_supported) {
2568 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2569 qlcnic_set_tx_ring_count(adapter,
2570 QLCNIC_SINGLE_RING);
2571 else
2572 qlcnic_set_tx_ring_count(adapter,
2573 QLCNIC_DEF_TX_RINGS);
2574 qlcnic_set_sds_ring_count(adapter,
2575 QLCNIC_DEF_SDS_RINGS);
2576 } else {
2577 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2578 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2579 }
2580
2581 err = qlcnic_setup_idc_param(adapter);
2582 if (err)
2583 goto err_out_free_hw;
2584
2585 adapter->flags |= QLCNIC_NEED_FLR;
2586
2587 } else if (qlcnic_83xx_check(adapter)) {
2588 qlcnic_83xx_check_vf(adapter, ent);
2589 adapter->portnum = adapter->ahw->pci_func;
2590 err = qlcnic_83xx_init(adapter, pci_using_dac);
2591 if (err) {
2592 switch (err) {
2593 case -ENOTRECOVERABLE:
2594 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2595 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2596 goto err_out_free_hw;
2597 case -ENOMEM:
2598 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2599 goto err_out_free_hw;
2600 case -EOPNOTSUPP:
2601 dev_err(&pdev->dev, "Adapter initialization failed\n");
2602 goto err_out_free_hw;
2603 default:
2604 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2605 goto err_out_maintenance_mode;
2606 }
2607 }
2608
2609 if (qlcnic_sriov_vf_check(adapter))
2610 return 0;
2611 } else {
2612 dev_err(&pdev->dev,
2613 "%s: failed. Please Reboot\n", __func__);
2614 err = -ENODEV;
2615 goto err_out_free_hw;
2616 }
2617
2618 if (qlcnic_read_mac_addr(adapter))
2619 dev_warn(&pdev->dev, "failed to read mac addr\n");
2620
2621 qlcnic_read_phys_port_id(adapter);
2622
2623 if (adapter->portnum == 0) {
2624 qlcnic_get_board_name(adapter, board_name);
2625
2626 pr_info("%s: %s Board Chip rev 0x%x\n",
2627 module_name(THIS_MODULE),
2628 board_name, adapter->ahw->revision_id);
2629 }
2630
2631 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2632 !!qlcnic_use_msi)
2633 dev_warn(&pdev->dev,
2634 "Device does not support MSI interrupts\n");
2635
2636 if (qlcnic_82xx_check(adapter)) {
2637 qlcnic_dcb_enable(adapter->dcb);
2638 qlcnic_dcb_get_info(adapter->dcb);
2639 err = qlcnic_setup_intr(adapter);
2640
2641 if (err) {
2642 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2643 goto err_out_disable_msi;
2644 }
2645 }
2646
2647 err = qlcnic_get_act_pci_func(adapter);
2648 if (err)
2649 goto err_out_disable_mbx_intr;
2650
2651 if (adapter->portnum == 0)
2652 qlcnic_set_drv_version(adapter);
2653
2654 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2655 if (err)
2656 goto err_out_disable_mbx_intr;
2657
2658 pci_set_drvdata(pdev, adapter);
2659
2660 if (qlcnic_82xx_check(adapter))
2661 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2662 FW_POLL_DELAY);
2663
2664 switch (adapter->ahw->port_type) {
2665 case QLCNIC_GBE:
2666 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2667 adapter->netdev->name);
2668 break;
2669 case QLCNIC_XGBE:
2670 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2671 adapter->netdev->name);
2672 break;
2673 }
2674
2675 if (adapter->drv_mac_learn)
2676 qlcnic_alloc_lb_filters_mem(adapter);
2677
2678 qlcnic_add_sysfs(adapter);
2679 qlcnic_register_hwmon_dev(adapter);
2680 return 0;
2681
2682 err_out_disable_mbx_intr:
2683 if (qlcnic_83xx_check(adapter))
2684 qlcnic_83xx_free_mbx_intr(adapter);
2685
2686 err_out_disable_msi:
2687 qlcnic_teardown_intr(adapter);
2688 qlcnic_cancel_idc_work(adapter);
2689 qlcnic_clr_all_drv_state(adapter, 0);
2690
2691 err_out_free_hw:
2692 qlcnic_free_adapter_resources(adapter);
2693
2694 err_out_free_wq:
2695 destroy_workqueue(adapter->qlcnic_wq);
2696
2697 err_out_free_netdev:
2698 free_netdev(netdev);
2699
2700 err_out_iounmap:
2701 qlcnic_cleanup_pci_map(ahw);
2702
2703 err_out_free_hw_res:
2704 kfree(ahw);
2705
2706 err_out_free_res:
2707 pci_release_regions(pdev);
2708
2709 err_out_disable_pdev:
2710 pci_disable_device(pdev);
2711 return err;
2712
2713 err_out_maintenance_mode:
2714 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2715 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2716 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2717 ahw->port_type = QLCNIC_XGBE;
2718
2719 if (qlcnic_83xx_check(adapter))
2720 adapter->tgt_status_reg = NULL;
2721 else
2722 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2723
2724 err = register_netdev(netdev);
2725
2726 if (err) {
2727 dev_err(&pdev->dev, "Failed to register net device\n");
2728 qlcnic_clr_all_drv_state(adapter, 0);
2729 goto err_out_free_hw;
2730 }
2731
2732 pci_set_drvdata(pdev, adapter);
2733 qlcnic_add_sysfs(adapter);
2734
2735 return 0;
2736 }
2737
2738 static void qlcnic_remove(struct pci_dev *pdev)
2739 {
2740 struct qlcnic_adapter *adapter;
2741 struct net_device *netdev;
2742 struct qlcnic_hardware_context *ahw;
2743
2744 adapter = pci_get_drvdata(pdev);
2745 if (adapter == NULL)
2746 return;
2747
2748 netdev = adapter->netdev;
2749
2750 qlcnic_cancel_idc_work(adapter);
2751 qlcnic_sriov_pf_disable(adapter);
2752 ahw = adapter->ahw;
2753
2754 unregister_netdev(netdev);
2755 qlcnic_sriov_cleanup(adapter);
2756
2757 if (qlcnic_83xx_check(adapter)) {
2758 qlcnic_83xx_initialize_nic(adapter, 0);
2759 cancel_delayed_work_sync(&adapter->idc_aen_work);
2760 qlcnic_83xx_free_mbx_intr(adapter);
2761 qlcnic_83xx_detach_mailbox_work(adapter);
2762 qlcnic_83xx_free_mailbox(ahw->mailbox);
2763 kfree(ahw->fw_info);
2764 }
2765
2766 qlcnic_dcb_free(adapter->dcb);
2767 qlcnic_detach(adapter);
2768 kfree(adapter->npars);
2769 kfree(adapter->eswitch);
2770
2771 if (qlcnic_82xx_check(adapter))
2772 qlcnic_clr_all_drv_state(adapter, 0);
2773
2774 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2775
2776 qlcnic_free_lb_filters_mem(adapter);
2777
2778 qlcnic_teardown_intr(adapter);
2779
2780 qlcnic_remove_sysfs(adapter);
2781
2782 qlcnic_unregister_hwmon_dev(adapter);
2783
2784 qlcnic_cleanup_pci_map(adapter->ahw);
2785
2786 qlcnic_release_firmware(adapter);
2787
2788 pci_disable_pcie_error_reporting(pdev);
2789 pci_release_regions(pdev);
2790 pci_disable_device(pdev);
2791
2792 if (adapter->qlcnic_wq) {
2793 destroy_workqueue(adapter->qlcnic_wq);
2794 adapter->qlcnic_wq = NULL;
2795 }
2796
2797 qlcnic_free_adapter_resources(adapter);
2798 kfree(ahw);
2799 free_netdev(netdev);
2800 }
2801
2802 static void qlcnic_shutdown(struct pci_dev *pdev)
2803 {
2804 if (__qlcnic_shutdown(pdev))
2805 return;
2806
2807 pci_disable_device(pdev);
2808 }
2809
2810 #ifdef CONFIG_PM
2811 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2812 {
2813 int retval;
2814
2815 retval = __qlcnic_shutdown(pdev);
2816 if (retval)
2817 return retval;
2818
2819 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2820 return 0;
2821 }
2822
2823 static int qlcnic_resume(struct pci_dev *pdev)
2824 {
2825 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2826 int err;
2827
2828 err = pci_enable_device(pdev);
2829 if (err)
2830 return err;
2831
2832 pci_set_power_state(pdev, PCI_D0);
2833 pci_set_master(pdev);
2834 pci_restore_state(pdev);
2835
2836 return __qlcnic_resume(adapter);
2837 }
2838 #endif
2839
2840 static int qlcnic_open(struct net_device *netdev)
2841 {
2842 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2843 int err;
2844
2845 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2846 netdev_err(netdev, "%s: Device is in non-operational state\n",
2847 __func__);
2848
2849 return -EIO;
2850 }
2851
2852 netif_carrier_off(netdev);
2853
2854 err = qlcnic_attach(adapter);
2855 if (err)
2856 return err;
2857
2858 err = __qlcnic_up(adapter, netdev);
2859 if (err)
2860 qlcnic_detach(adapter);
2861
2862 return err;
2863 }
2864
2865 /*
2866 * qlcnic_close - Disables a network interface entry point
2867 */
2868 static int qlcnic_close(struct net_device *netdev)
2869 {
2870 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2871
2872 __qlcnic_down(adapter, netdev);
2873
2874 return 0;
2875 }
2876
2877 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2878
2879 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2880 {
2881 void *head;
2882 int i;
2883 struct net_device *netdev = adapter->netdev;
2884 u32 filter_size = 0;
2885 u16 act_pci_func = 0;
2886
2887 if (adapter->fhash.fmax && adapter->fhash.fhead)
2888 return;
2889
2890 act_pci_func = adapter->ahw->total_nic_func;
2891 spin_lock_init(&adapter->mac_learn_lock);
2892 spin_lock_init(&adapter->rx_mac_learn_lock);
2893
2894 if (qlcnic_sriov_vf_check(adapter)) {
2895 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2896 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2897 } else if (qlcnic_82xx_check(adapter)) {
2898 filter_size = QLCNIC_LB_MAX_FILTERS;
2899 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2900 } else {
2901 filter_size = QLC_83XX_LB_MAX_FILTERS;
2902 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2903 }
2904
2905 head = kcalloc(adapter->fhash.fbucket_size,
2906 sizeof(struct hlist_head), GFP_ATOMIC);
2907
2908 if (!head)
2909 return;
2910
2911 adapter->fhash.fmax = (filter_size / act_pci_func);
2912 adapter->fhash.fhead = head;
2913
2914 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2915 act_pci_func, adapter->fhash.fmax);
2916
2917 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2918 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2919
2920 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2921
2922 head = kcalloc(adapter->rx_fhash.fbucket_size,
2923 sizeof(struct hlist_head), GFP_ATOMIC);
2924
2925 if (!head)
2926 return;
2927
2928 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2929 adapter->rx_fhash.fhead = head;
2930
2931 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2932 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2933 }
2934
2935 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2936 {
2937 if (adapter->fhash.fmax)
2938 kfree(adapter->fhash.fhead);
2939
2940 adapter->fhash.fhead = NULL;
2941 adapter->fhash.fmax = 0;
2942
2943 if (adapter->rx_fhash.fmax)
2944 kfree(adapter->rx_fhash.fhead);
2945
2946 adapter->rx_fhash.fmax = 0;
2947 adapter->rx_fhash.fhead = NULL;
2948 }
2949
2950 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2951 {
2952 struct net_device *netdev = adapter->netdev;
2953 u32 temp_state, temp_val, temp = 0;
2954 int rv = 0;
2955
2956 if (qlcnic_83xx_check(adapter))
2957 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2958
2959 if (qlcnic_82xx_check(adapter))
2960 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2961
2962 temp_state = qlcnic_get_temp_state(temp);
2963 temp_val = qlcnic_get_temp_val(temp);
2964
2965 if (temp_state == QLCNIC_TEMP_PANIC) {
2966 dev_err(&netdev->dev,
2967 "Device temperature %d degrees C exceeds"
2968 " maximum allowed. Hardware has been shut down.\n",
2969 temp_val);
2970 rv = 1;
2971 } else if (temp_state == QLCNIC_TEMP_WARN) {
2972 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2973 dev_err(&netdev->dev,
2974 "Device temperature %d degrees C "
2975 "exceeds operating range."
2976 " Immediate action needed.\n",
2977 temp_val);
2978 }
2979 } else {
2980 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2981 dev_info(&netdev->dev,
2982 "Device temperature is now %d degrees C"
2983 " in normal range.\n", temp_val);
2984 }
2985 }
2986 adapter->ahw->temp = temp_state;
2987 return rv;
2988 }
2989
2990 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2991 {
2992 int i;
2993 struct cmd_desc_type0 *tx_desc_info;
2994
2995 for (i = 0; i < tx_ring->num_desc; i++) {
2996 tx_desc_info = &tx_ring->desc_head[i];
2997 pr_info("TX Desc: %d\n", i);
2998 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2999 &tx_ring->desc_head[i],
3000 sizeof(struct cmd_desc_type0), true);
3001 }
3002 }
3003
3004 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
3005 {
3006 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
3007 struct net_device *netdev = adapter->netdev;
3008 struct qlcnic_host_rds_ring *rds_ring;
3009 struct qlcnic_host_sds_ring *sds_ring;
3010 struct qlcnic_host_tx_ring *tx_ring;
3011 int ring;
3012
3013 if (!netdev || !netif_running(netdev))
3014 return;
3015
3016 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
3017 rds_ring = &recv_ctx->rds_rings[ring];
3018 if (!rds_ring)
3019 continue;
3020 netdev_info(netdev,
3021 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3022 ring, readl(rds_ring->crb_rcv_producer),
3023 rds_ring->producer, rds_ring->num_desc);
3024 }
3025
3026 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3027 sds_ring = &(recv_ctx->sds_rings[ring]);
3028 if (!sds_ring)
3029 continue;
3030 netdev_info(netdev,
3031 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3032 ring, readl(sds_ring->crb_sts_consumer),
3033 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3034 sds_ring->num_desc);
3035 }
3036
3037 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3038 tx_ring = &adapter->tx_ring[ring];
3039 if (!tx_ring)
3040 continue;
3041 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3042 ring, tx_ring->ctx_id);
3043 netdev_info(netdev,
3044 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3045 tx_ring->tx_stats.xmit_finished,
3046 tx_ring->tx_stats.xmit_called,
3047 tx_ring->tx_stats.xmit_on,
3048 tx_ring->tx_stats.xmit_off);
3049
3050 if (tx_ring->crb_intr_mask)
3051 netdev_info(netdev, "crb_intr_mask=%d\n",
3052 readl(tx_ring->crb_intr_mask));
3053
3054 netdev_info(netdev,
3055 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3056 readl(tx_ring->crb_cmd_producer),
3057 tx_ring->producer, tx_ring->sw_consumer,
3058 le32_to_cpu(*(tx_ring->hw_consumer)));
3059
3060 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3061 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3062
3063 if (netif_msg_tx_err(adapter->ahw))
3064 dump_tx_ring_desc(tx_ring);
3065 }
3066
3067 }
3068
3069 static void qlcnic_tx_timeout(struct net_device *netdev)
3070 {
3071 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3072
3073 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3074 return;
3075
3076 qlcnic_dump_rings(adapter);
3077
3078 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3079 netif_msg_tx_err(adapter->ahw)) {
3080 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3081 if (qlcnic_82xx_check(adapter))
3082 adapter->need_fw_reset = 1;
3083 else if (qlcnic_83xx_check(adapter))
3084 qlcnic_83xx_idc_request_reset(adapter,
3085 QLCNIC_FORCE_FW_DUMP_KEY);
3086 } else {
3087 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3088 adapter->ahw->reset_context = 1;
3089 }
3090 }
3091
3092 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3093 {
3094 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3095 struct net_device_stats *stats = &netdev->stats;
3096
3097 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3098 qlcnic_update_stats(adapter);
3099
3100 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3101 stats->tx_packets = adapter->stats.xmitfinished;
3102 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3103 stats->tx_bytes = adapter->stats.txbytes;
3104 stats->rx_dropped = adapter->stats.rxdropped;
3105 stats->tx_dropped = adapter->stats.txdropped;
3106
3107 return stats;
3108 }
3109
3110 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3111 {
3112 u32 status;
3113
3114 status = readl(adapter->isr_int_vec);
3115
3116 if (!(status & adapter->ahw->int_vec_bit))
3117 return IRQ_NONE;
3118
3119 /* check interrupt state machine, to be sure */
3120 status = readl(adapter->crb_int_state_reg);
3121 if (!ISR_LEGACY_INT_TRIGGERED(status))
3122 return IRQ_NONE;
3123
3124 writel(0xffffffff, adapter->tgt_status_reg);
3125 /* read twice to ensure write is flushed */
3126 readl(adapter->isr_int_vec);
3127 readl(adapter->isr_int_vec);
3128
3129 return IRQ_HANDLED;
3130 }
3131
3132 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3133 {
3134 struct qlcnic_host_sds_ring *sds_ring = data;
3135 struct qlcnic_adapter *adapter = sds_ring->adapter;
3136
3137 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3138 goto done;
3139 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3140 writel(0xffffffff, adapter->tgt_status_reg);
3141 goto done;
3142 }
3143
3144 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3145 return IRQ_NONE;
3146
3147 done:
3148 adapter->ahw->diag_cnt++;
3149 qlcnic_enable_sds_intr(adapter, sds_ring);
3150 return IRQ_HANDLED;
3151 }
3152
3153 static irqreturn_t qlcnic_intr(int irq, void *data)
3154 {
3155 struct qlcnic_host_sds_ring *sds_ring = data;
3156 struct qlcnic_adapter *adapter = sds_ring->adapter;
3157
3158 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3159 return IRQ_NONE;
3160
3161 napi_schedule(&sds_ring->napi);
3162
3163 return IRQ_HANDLED;
3164 }
3165
3166 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3167 {
3168 struct qlcnic_host_sds_ring *sds_ring = data;
3169 struct qlcnic_adapter *adapter = sds_ring->adapter;
3170
3171 /* clear interrupt */
3172 writel(0xffffffff, adapter->tgt_status_reg);
3173
3174 napi_schedule(&sds_ring->napi);
3175 return IRQ_HANDLED;
3176 }
3177
3178 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3179 {
3180 struct qlcnic_host_sds_ring *sds_ring = data;
3181
3182 napi_schedule(&sds_ring->napi);
3183 return IRQ_HANDLED;
3184 }
3185
3186 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3187 {
3188 struct qlcnic_host_tx_ring *tx_ring = data;
3189
3190 napi_schedule(&tx_ring->napi);
3191 return IRQ_HANDLED;
3192 }
3193
3194 #ifdef CONFIG_NET_POLL_CONTROLLER
3195 static void qlcnic_poll_controller(struct net_device *netdev)
3196 {
3197 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3198 struct qlcnic_host_sds_ring *sds_ring;
3199 struct qlcnic_recv_context *recv_ctx;
3200 struct qlcnic_host_tx_ring *tx_ring;
3201 int ring;
3202
3203 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3204 return;
3205
3206 recv_ctx = adapter->recv_ctx;
3207
3208 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3209 sds_ring = &recv_ctx->sds_rings[ring];
3210 qlcnic_disable_sds_intr(adapter, sds_ring);
3211 napi_schedule(&sds_ring->napi);
3212 }
3213
3214 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3215 /* Only Multi-Tx queue capable devices need to
3216 * schedule NAPI for TX rings
3217 */
3218 if ((qlcnic_83xx_check(adapter) &&
3219 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3220 (qlcnic_82xx_check(adapter) &&
3221 !qlcnic_check_multi_tx(adapter)))
3222 return;
3223
3224 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3225 tx_ring = &adapter->tx_ring[ring];
3226 qlcnic_disable_tx_intr(adapter, tx_ring);
3227 napi_schedule(&tx_ring->napi);
3228 }
3229 }
3230 }
3231 #endif
3232
3233 static void
3234 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3235 {
3236 u32 val;
3237
3238 val = adapter->portnum & 0xf;
3239 val |= encoding << 7;
3240 val |= (jiffies - adapter->dev_rst_time) << 8;
3241
3242 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3243 adapter->dev_rst_time = jiffies;
3244 }
3245
3246 static int
3247 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3248 {
3249 u32 val;
3250
3251 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3252 state != QLCNIC_DEV_NEED_QUISCENT);
3253
3254 if (qlcnic_api_lock(adapter))
3255 return -EIO;
3256
3257 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3258
3259 if (state == QLCNIC_DEV_NEED_RESET)
3260 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3261 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3262 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3263
3264 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3265
3266 qlcnic_api_unlock(adapter);
3267
3268 return 0;
3269 }
3270
3271 static int
3272 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3273 {
3274 u32 val;
3275
3276 if (qlcnic_api_lock(adapter))
3277 return -EBUSY;
3278
3279 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3280 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3281 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3282
3283 qlcnic_api_unlock(adapter);
3284
3285 return 0;
3286 }
3287
3288 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3289 {
3290 u32 val;
3291
3292 if (qlcnic_api_lock(adapter))
3293 goto err;
3294
3295 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3296 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3297 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3298
3299 if (failed) {
3300 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3301 QLCNIC_DEV_FAILED);
3302 dev_info(&adapter->pdev->dev,
3303 "Device state set to Failed. Please Reboot\n");
3304 } else if (!(val & 0x11111111))
3305 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3306 QLCNIC_DEV_COLD);
3307
3308 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3309 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3310 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3311
3312 qlcnic_api_unlock(adapter);
3313 err:
3314 adapter->fw_fail_cnt = 0;
3315 adapter->flags &= ~QLCNIC_FW_HANG;
3316 clear_bit(__QLCNIC_START_FW, &adapter->state);
3317 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3318 }
3319
3320 /* Grab api lock, before checking state */
3321 static int
3322 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3323 {
3324 int act, state, active_mask;
3325 struct qlcnic_hardware_context *ahw = adapter->ahw;
3326
3327 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3328 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3329
3330 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3331 active_mask = (~(1 << (ahw->pci_func * 4)));
3332 act = act & active_mask;
3333 }
3334
3335 if (((state & 0x11111111) == (act & 0x11111111)) ||
3336 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3337 return 0;
3338 else
3339 return 1;
3340 }
3341
3342 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3343 {
3344 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3345
3346 if (val != QLCNIC_DRV_IDC_VER) {
3347 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3348 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3349 }
3350
3351 return 0;
3352 }
3353
3354 static int
3355 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3356 {
3357 u32 val, prev_state;
3358 u8 dev_init_timeo = adapter->dev_init_timeo;
3359 u8 portnum = adapter->portnum;
3360 u8 ret;
3361
3362 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3363 return 1;
3364
3365 if (qlcnic_api_lock(adapter))
3366 return -1;
3367
3368 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3369 if (!(val & (1 << (portnum * 4)))) {
3370 QLC_DEV_SET_REF_CNT(val, portnum);
3371 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3372 }
3373
3374 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3375 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3376
3377 switch (prev_state) {
3378 case QLCNIC_DEV_COLD:
3379 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3380 QLCNIC_DEV_INITIALIZING);
3381 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3382 QLCNIC_DRV_IDC_VER);
3383 qlcnic_idc_debug_info(adapter, 0);
3384 qlcnic_api_unlock(adapter);
3385 return 1;
3386
3387 case QLCNIC_DEV_READY:
3388 ret = qlcnic_check_idc_ver(adapter);
3389 qlcnic_api_unlock(adapter);
3390 return ret;
3391
3392 case QLCNIC_DEV_NEED_RESET:
3393 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3394 QLC_DEV_SET_RST_RDY(val, portnum);
3395 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3396 break;
3397
3398 case QLCNIC_DEV_NEED_QUISCENT:
3399 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3400 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3401 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3402 break;
3403
3404 case QLCNIC_DEV_FAILED:
3405 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3406 qlcnic_api_unlock(adapter);
3407 return -1;
3408
3409 case QLCNIC_DEV_INITIALIZING:
3410 case QLCNIC_DEV_QUISCENT:
3411 break;
3412 }
3413
3414 qlcnic_api_unlock(adapter);
3415
3416 do {
3417 msleep(1000);
3418 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3419
3420 if (prev_state == QLCNIC_DEV_QUISCENT)
3421 continue;
3422 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3423
3424 if (!dev_init_timeo) {
3425 dev_err(&adapter->pdev->dev,
3426 "Waiting for device to initialize timeout\n");
3427 return -1;
3428 }
3429
3430 if (qlcnic_api_lock(adapter))
3431 return -1;
3432
3433 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3434 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3435 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3436
3437 ret = qlcnic_check_idc_ver(adapter);
3438 qlcnic_api_unlock(adapter);
3439
3440 return ret;
3441 }
3442
3443 static void
3444 qlcnic_fwinit_work(struct work_struct *work)
3445 {
3446 struct qlcnic_adapter *adapter = container_of(work,
3447 struct qlcnic_adapter, fw_work.work);
3448 u32 dev_state = 0xf;
3449 u32 val;
3450
3451 if (qlcnic_api_lock(adapter))
3452 goto err_ret;
3453
3454 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3455 if (dev_state == QLCNIC_DEV_QUISCENT ||
3456 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3457 qlcnic_api_unlock(adapter);
3458 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3459 FW_POLL_DELAY * 2);
3460 return;
3461 }
3462
3463 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3464 qlcnic_api_unlock(adapter);
3465 goto wait_npar;
3466 }
3467
3468 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3469 dev_state == QLCNIC_DEV_READY) {
3470 dev_info(&adapter->pdev->dev, "Detected state change from "
3471 "DEV_NEED_RESET, skipping ack check\n");
3472 goto skip_ack_check;
3473 }
3474
3475 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3476 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3477 adapter->reset_ack_timeo);
3478 goto skip_ack_check;
3479 }
3480
3481 if (!qlcnic_check_drv_state(adapter)) {
3482 skip_ack_check:
3483 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3484
3485 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3486 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3487 QLCNIC_DEV_INITIALIZING);
3488 set_bit(__QLCNIC_START_FW, &adapter->state);
3489 QLCDB(adapter, DRV, "Restarting fw\n");
3490 qlcnic_idc_debug_info(adapter, 0);
3491 val = QLC_SHARED_REG_RD32(adapter,
3492 QLCNIC_CRB_DRV_STATE);
3493 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3494 QLC_SHARED_REG_WR32(adapter,
3495 QLCNIC_CRB_DRV_STATE, val);
3496 }
3497
3498 qlcnic_api_unlock(adapter);
3499
3500 rtnl_lock();
3501 if (qlcnic_check_fw_dump_state(adapter) &&
3502 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3503 QLCDB(adapter, DRV, "Take FW dump\n");
3504 qlcnic_dump_fw(adapter);
3505 adapter->flags |= QLCNIC_FW_HANG;
3506 }
3507 rtnl_unlock();
3508
3509 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3510 if (!adapter->nic_ops->start_firmware(adapter)) {
3511 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3512 adapter->fw_wait_cnt = 0;
3513 return;
3514 }
3515 goto err_ret;
3516 }
3517
3518 qlcnic_api_unlock(adapter);
3519
3520 wait_npar:
3521 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3522 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3523
3524 switch (dev_state) {
3525 case QLCNIC_DEV_READY:
3526 if (!qlcnic_start_firmware(adapter)) {
3527 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3528 adapter->fw_wait_cnt = 0;
3529 return;
3530 }
3531 case QLCNIC_DEV_FAILED:
3532 break;
3533 default:
3534 qlcnic_schedule_work(adapter,
3535 qlcnic_fwinit_work, FW_POLL_DELAY);
3536 return;
3537 }
3538
3539 err_ret:
3540 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3541 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3542 netif_device_attach(adapter->netdev);
3543 qlcnic_clr_all_drv_state(adapter, 0);
3544 }
3545
3546 static void
3547 qlcnic_detach_work(struct work_struct *work)
3548 {
3549 struct qlcnic_adapter *adapter = container_of(work,
3550 struct qlcnic_adapter, fw_work.work);
3551 struct net_device *netdev = adapter->netdev;
3552 u32 status;
3553
3554 netif_device_detach(netdev);
3555
3556 /* Dont grab rtnl lock during Quiscent mode */
3557 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3558 if (netif_running(netdev))
3559 __qlcnic_down(adapter, netdev);
3560 } else
3561 qlcnic_down(adapter, netdev);
3562
3563 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3564
3565 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3566 dev_err(&adapter->pdev->dev,
3567 "Detaching the device: peg halt status1=0x%x\n",
3568 status);
3569
3570 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3571 dev_err(&adapter->pdev->dev,
3572 "On board active cooling fan failed. "
3573 "Device has been halted.\n");
3574 dev_err(&adapter->pdev->dev,
3575 "Replace the adapter.\n");
3576 }
3577
3578 goto err_ret;
3579 }
3580
3581 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3582 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3583 adapter->ahw->temp);
3584 goto err_ret;
3585 }
3586
3587 /* Dont ack if this instance is the reset owner */
3588 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3589 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3590 dev_err(&adapter->pdev->dev,
3591 "Failed to set driver state,"
3592 "detaching the device.\n");
3593 goto err_ret;
3594 }
3595 }
3596
3597 adapter->fw_wait_cnt = 0;
3598
3599 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3600
3601 return;
3602
3603 err_ret:
3604 netif_device_attach(netdev);
3605 qlcnic_clr_all_drv_state(adapter, 1);
3606 }
3607
3608 /*Transit NPAR state to NON Operational */
3609 static void
3610 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3611 {
3612 u32 state;
3613
3614 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3615 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3616 return;
3617
3618 if (qlcnic_api_lock(adapter))
3619 return;
3620 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3621 QLCNIC_DEV_NPAR_NON_OPER);
3622 qlcnic_api_unlock(adapter);
3623 }
3624
3625 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3626 u32 key)
3627 {
3628 u32 state, xg_val = 0, gb_val = 0;
3629
3630 qlcnic_xg_set_xg0_mask(xg_val);
3631 qlcnic_xg_set_xg1_mask(xg_val);
3632 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3633 qlcnic_gb_set_gb0_mask(gb_val);
3634 qlcnic_gb_set_gb1_mask(gb_val);
3635 qlcnic_gb_set_gb2_mask(gb_val);
3636 qlcnic_gb_set_gb3_mask(gb_val);
3637 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3638 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3639 " on all ports\n");
3640 adapter->need_fw_reset = 1;
3641
3642 if (qlcnic_api_lock(adapter))
3643 return;
3644
3645 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3646
3647 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3648 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3649 __func__);
3650 qlcnic_api_unlock(adapter);
3651
3652 return;
3653 }
3654
3655 if (state == QLCNIC_DEV_READY) {
3656 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3657 QLCNIC_DEV_NEED_RESET);
3658 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3659 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3660 qlcnic_idc_debug_info(adapter, 0);
3661 }
3662
3663 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3664 QLCNIC_DEV_NPAR_NON_OPER);
3665 qlcnic_api_unlock(adapter);
3666 }
3667
3668 /* Transit to NPAR READY state from NPAR NOT READY state */
3669 static void
3670 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3671 {
3672 if (qlcnic_api_lock(adapter))
3673 return;
3674
3675 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3676 QLCNIC_DEV_NPAR_OPER);
3677 QLCDB(adapter, DRV, "NPAR operational state set\n");
3678
3679 qlcnic_api_unlock(adapter);
3680 }
3681
3682 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3683 work_func_t func, int delay)
3684 {
3685 if (test_bit(__QLCNIC_AER, &adapter->state))
3686 return;
3687
3688 INIT_DELAYED_WORK(&adapter->fw_work, func);
3689 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3690 round_jiffies_relative(delay));
3691 }
3692
3693 static void
3694 qlcnic_attach_work(struct work_struct *work)
3695 {
3696 struct qlcnic_adapter *adapter = container_of(work,
3697 struct qlcnic_adapter, fw_work.work);
3698 struct net_device *netdev = adapter->netdev;
3699 u32 npar_state;
3700
3701 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3702 npar_state = QLC_SHARED_REG_RD32(adapter,
3703 QLCNIC_CRB_DEV_NPAR_STATE);
3704 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3705 qlcnic_clr_all_drv_state(adapter, 0);
3706 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3707 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3708 FW_POLL_DELAY);
3709 else
3710 goto attach;
3711 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3712 return;
3713 }
3714 attach:
3715 qlcnic_dcb_get_info(adapter->dcb);
3716
3717 if (netif_running(netdev)) {
3718 if (qlcnic_up(adapter, netdev))
3719 goto done;
3720
3721 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3722 }
3723
3724 done:
3725 netif_device_attach(netdev);
3726 adapter->fw_fail_cnt = 0;
3727 adapter->flags &= ~QLCNIC_FW_HANG;
3728 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3729 if (adapter->portnum == 0)
3730 qlcnic_set_drv_version(adapter);
3731
3732 if (!qlcnic_clr_drv_state(adapter))
3733 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3734 FW_POLL_DELAY);
3735 }
3736
3737 static int
3738 qlcnic_check_health(struct qlcnic_adapter *adapter)
3739 {
3740 struct qlcnic_hardware_context *ahw = adapter->ahw;
3741 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3742 u32 state = 0, heartbeat;
3743 u32 peg_status;
3744 int err = 0;
3745
3746 if (qlcnic_check_temp(adapter))
3747 goto detach;
3748
3749 if (adapter->need_fw_reset)
3750 qlcnic_dev_request_reset(adapter, 0);
3751
3752 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3753 if (state == QLCNIC_DEV_NEED_RESET) {
3754 qlcnic_set_npar_non_operational(adapter);
3755 adapter->need_fw_reset = 1;
3756 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3757 goto detach;
3758
3759 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3760 if (heartbeat != adapter->heartbeat) {
3761 adapter->heartbeat = heartbeat;
3762 adapter->fw_fail_cnt = 0;
3763 if (adapter->need_fw_reset)
3764 goto detach;
3765
3766 if (ahw->reset_context && qlcnic_auto_fw_reset)
3767 qlcnic_reset_hw_context(adapter);
3768
3769 return 0;
3770 }
3771
3772 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3773 return 0;
3774
3775 adapter->flags |= QLCNIC_FW_HANG;
3776
3777 qlcnic_dev_request_reset(adapter, 0);
3778
3779 if (qlcnic_auto_fw_reset)
3780 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3781
3782 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3783 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3784 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3785 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3786 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3787 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3788 "PEG_NET_4_PC: 0x%x\n",
3789 peg_status,
3790 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3791 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3792 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3793 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3794 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3795 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3796 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3797 dev_err(&adapter->pdev->dev,
3798 "Firmware aborted with error code 0x00006700. "
3799 "Device is being reset.\n");
3800 detach:
3801 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3802 QLCNIC_DEV_NEED_RESET;
3803
3804 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3805 &adapter->state)) {
3806
3807 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3808 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3809 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3810 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3811 qlcnic_dump_fw(adapter);
3812 }
3813
3814 return 1;
3815 }
3816
3817 void qlcnic_fw_poll_work(struct work_struct *work)
3818 {
3819 struct qlcnic_adapter *adapter = container_of(work,
3820 struct qlcnic_adapter, fw_work.work);
3821
3822 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3823 goto reschedule;
3824
3825
3826 if (qlcnic_check_health(adapter))
3827 return;
3828
3829 if (adapter->fhash.fnum)
3830 qlcnic_prune_lb_filters(adapter);
3831
3832 reschedule:
3833 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3834 }
3835
3836 static int qlcnic_is_first_func(struct pci_dev *pdev)
3837 {
3838 struct pci_dev *oth_pdev;
3839 int val = pdev->devfn;
3840
3841 while (val-- > 0) {
3842 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3843 (pdev->bus), pdev->bus->number,
3844 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3845 if (!oth_pdev)
3846 continue;
3847
3848 if (oth_pdev->current_state != PCI_D3cold) {
3849 pci_dev_put(oth_pdev);
3850 return 0;
3851 }
3852 pci_dev_put(oth_pdev);
3853 }
3854 return 1;
3855 }
3856
3857 static int qlcnic_attach_func(struct pci_dev *pdev)
3858 {
3859 int err, first_func;
3860 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3861 struct net_device *netdev = adapter->netdev;
3862
3863 pdev->error_state = pci_channel_io_normal;
3864
3865 err = pci_enable_device(pdev);
3866 if (err)
3867 return err;
3868
3869 pci_set_master(pdev);
3870 pci_restore_state(pdev);
3871
3872 first_func = qlcnic_is_first_func(pdev);
3873
3874 if (qlcnic_api_lock(adapter))
3875 return -EINVAL;
3876
3877 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3878 adapter->need_fw_reset = 1;
3879 set_bit(__QLCNIC_START_FW, &adapter->state);
3880 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3881 QLCNIC_DEV_INITIALIZING);
3882 QLCDB(adapter, DRV, "Restarting fw\n");
3883 }
3884 qlcnic_api_unlock(adapter);
3885
3886 err = qlcnic_start_firmware(adapter);
3887 if (err)
3888 return err;
3889
3890 qlcnic_clr_drv_state(adapter);
3891 kfree(adapter->msix_entries);
3892 adapter->msix_entries = NULL;
3893 err = qlcnic_setup_intr(adapter);
3894
3895 if (err) {
3896 kfree(adapter->msix_entries);
3897 netdev_err(netdev, "failed to setup interrupt\n");
3898 return err;
3899 }
3900
3901 if (netif_running(netdev)) {
3902 err = qlcnic_attach(adapter);
3903 if (err) {
3904 qlcnic_clr_all_drv_state(adapter, 1);
3905 clear_bit(__QLCNIC_AER, &adapter->state);
3906 netif_device_attach(netdev);
3907 return err;
3908 }
3909
3910 err = qlcnic_up(adapter, netdev);
3911 if (err)
3912 goto done;
3913
3914 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3915 }
3916 done:
3917 netif_device_attach(netdev);
3918 return err;
3919 }
3920
3921 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3922 pci_channel_state_t state)
3923 {
3924 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3925 struct net_device *netdev = adapter->netdev;
3926
3927 if (state == pci_channel_io_perm_failure)
3928 return PCI_ERS_RESULT_DISCONNECT;
3929
3930 if (state == pci_channel_io_normal)
3931 return PCI_ERS_RESULT_RECOVERED;
3932
3933 set_bit(__QLCNIC_AER, &adapter->state);
3934 netif_device_detach(netdev);
3935
3936 cancel_delayed_work_sync(&adapter->fw_work);
3937
3938 if (netif_running(netdev))
3939 qlcnic_down(adapter, netdev);
3940
3941 qlcnic_detach(adapter);
3942 qlcnic_teardown_intr(adapter);
3943
3944 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3945
3946 pci_save_state(pdev);
3947 pci_disable_device(pdev);
3948
3949 return PCI_ERS_RESULT_NEED_RESET;
3950 }
3951
3952 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3953 {
3954 pci_ers_result_t res;
3955
3956 rtnl_lock();
3957 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3958 PCI_ERS_RESULT_RECOVERED;
3959 rtnl_unlock();
3960
3961 return res;
3962 }
3963
3964 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3965 {
3966 u32 state;
3967 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3968
3969 pci_cleanup_aer_uncorrect_error_status(pdev);
3970 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3971 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3972 &adapter->state))
3973 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3974 FW_POLL_DELAY);
3975 }
3976
3977 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3978 pci_channel_state_t state)
3979 {
3980 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3981 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3982
3983 if (hw_ops->io_error_detected) {
3984 return hw_ops->io_error_detected(pdev, state);
3985 } else {
3986 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3987 return PCI_ERS_RESULT_DISCONNECT;
3988 }
3989 }
3990
3991 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3992 {
3993 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3994 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3995
3996 if (hw_ops->io_slot_reset) {
3997 return hw_ops->io_slot_reset(pdev);
3998 } else {
3999 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
4000 return PCI_ERS_RESULT_DISCONNECT;
4001 }
4002 }
4003
4004 static void qlcnic_io_resume(struct pci_dev *pdev)
4005 {
4006 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4007 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
4008
4009 if (hw_ops->io_resume)
4010 hw_ops->io_resume(pdev);
4011 else
4012 dev_err(&pdev->dev, "AER resume handler not registered.\n");
4013 }
4014
4015
4016 static int
4017 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
4018 {
4019 int err;
4020
4021 err = qlcnic_can_start_firmware(adapter);
4022 if (err)
4023 return err;
4024
4025 err = qlcnic_check_npar_opertional(adapter);
4026 if (err)
4027 return err;
4028
4029 err = qlcnic_initialize_nic(adapter);
4030 if (err)
4031 return err;
4032
4033 qlcnic_check_options(adapter);
4034
4035 err = qlcnic_set_eswitch_port_config(adapter);
4036 if (err)
4037 return err;
4038
4039 adapter->need_fw_reset = 0;
4040
4041 return err;
4042 }
4043
4044 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4045 int queue_type)
4046 {
4047 struct net_device *netdev = adapter->netdev;
4048 u8 max_hw_rings = 0;
4049 char buf[8];
4050 int cur_rings;
4051
4052 if (queue_type == QLCNIC_RX_QUEUE) {
4053 max_hw_rings = adapter->max_sds_rings;
4054 cur_rings = adapter->drv_sds_rings;
4055 strcpy(buf, "SDS");
4056 } else if (queue_type == QLCNIC_TX_QUEUE) {
4057 max_hw_rings = adapter->max_tx_rings;
4058 cur_rings = adapter->drv_tx_rings;
4059 strcpy(buf, "Tx");
4060 }
4061
4062 if (!is_power_of_2(ring_cnt)) {
4063 netdev_err(netdev, "%s rings value should be a power of 2\n",
4064 buf);
4065 return -EINVAL;
4066 }
4067
4068 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4069 !qlcnic_check_multi_tx(adapter)) {
4070 netdev_err(netdev, "No Multi Tx queue support\n");
4071 return -EINVAL;
4072 }
4073
4074 if (ring_cnt > num_online_cpus()) {
4075 netdev_err(netdev,
4076 "%s value[%u] should not be higher than, number of online CPUs\n",
4077 buf, num_online_cpus());
4078 return -EINVAL;
4079 }
4080
4081 return 0;
4082 }
4083
4084 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4085 {
4086 struct net_device *netdev = adapter->netdev;
4087 u8 tx_rings, rx_rings;
4088 int err;
4089
4090 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4091 return -EBUSY;
4092
4093 tx_rings = adapter->drv_tss_rings;
4094 rx_rings = adapter->drv_rss_rings;
4095
4096 netif_device_detach(netdev);
4097
4098 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4099 if (err)
4100 goto done;
4101
4102 if (netif_running(netdev))
4103 __qlcnic_down(adapter, netdev);
4104
4105 qlcnic_detach(adapter);
4106
4107 if (qlcnic_83xx_check(adapter)) {
4108 qlcnic_83xx_free_mbx_intr(adapter);
4109 qlcnic_83xx_enable_mbx_poll(adapter);
4110 }
4111
4112 qlcnic_teardown_intr(adapter);
4113
4114 err = qlcnic_setup_intr(adapter);
4115 if (err) {
4116 kfree(adapter->msix_entries);
4117 netdev_err(netdev, "failed to setup interrupt\n");
4118 return err;
4119 }
4120
4121 /* Check if we need to update real_num_{tx|rx}_queues because
4122 * qlcnic_setup_intr() may change Tx/Rx rings size
4123 */
4124 if ((tx_rings != adapter->drv_tx_rings) ||
4125 (rx_rings != adapter->drv_sds_rings)) {
4126 err = qlcnic_set_real_num_queues(adapter,
4127 adapter->drv_tx_rings,
4128 adapter->drv_sds_rings);
4129 if (err)
4130 goto done;
4131 }
4132
4133 if (qlcnic_83xx_check(adapter)) {
4134 qlcnic_83xx_initialize_nic(adapter, 1);
4135 err = qlcnic_83xx_setup_mbx_intr(adapter);
4136 qlcnic_83xx_disable_mbx_poll(adapter);
4137 if (err) {
4138 dev_err(&adapter->pdev->dev,
4139 "failed to setup mbx interrupt\n");
4140 goto done;
4141 }
4142 }
4143
4144 if (netif_running(netdev)) {
4145 err = qlcnic_attach(adapter);
4146 if (err)
4147 goto done;
4148 err = __qlcnic_up(adapter, netdev);
4149 if (err)
4150 goto done;
4151 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4152 }
4153 done:
4154 netif_device_attach(netdev);
4155 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4156 return err;
4157 }
4158
4159 #ifdef CONFIG_INET
4160
4161 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4162
4163 static void
4164 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4165 struct net_device *dev, unsigned long event)
4166 {
4167 struct in_device *indev;
4168
4169 indev = in_dev_get(dev);
4170 if (!indev)
4171 return;
4172
4173 for_ifa(indev) {
4174 switch (event) {
4175 case NETDEV_UP:
4176 qlcnic_config_ipaddr(adapter,
4177 ifa->ifa_address, QLCNIC_IP_UP);
4178 break;
4179 case NETDEV_DOWN:
4180 qlcnic_config_ipaddr(adapter,
4181 ifa->ifa_address, QLCNIC_IP_DOWN);
4182 break;
4183 default:
4184 break;
4185 }
4186 } endfor_ifa(indev);
4187
4188 in_dev_put(indev);
4189 }
4190
4191 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4192 {
4193 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4194 struct net_device *dev;
4195 u16 vid;
4196
4197 qlcnic_config_indev_addr(adapter, netdev, event);
4198
4199 rcu_read_lock();
4200 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4201 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4202 if (!dev)
4203 continue;
4204 qlcnic_config_indev_addr(adapter, dev, event);
4205 }
4206 rcu_read_unlock();
4207 }
4208
4209 static int qlcnic_netdev_event(struct notifier_block *this,
4210 unsigned long event, void *ptr)
4211 {
4212 struct qlcnic_adapter *adapter;
4213 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4214
4215 recheck:
4216 if (dev == NULL)
4217 goto done;
4218
4219 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4220 dev = vlan_dev_real_dev(dev);
4221 goto recheck;
4222 }
4223
4224 if (!is_qlcnic_netdev(dev))
4225 goto done;
4226
4227 adapter = netdev_priv(dev);
4228
4229 if (!adapter)
4230 goto done;
4231
4232 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4233 goto done;
4234
4235 qlcnic_config_indev_addr(adapter, dev, event);
4236 done:
4237 return NOTIFY_DONE;
4238 }
4239
4240 static int
4241 qlcnic_inetaddr_event(struct notifier_block *this,
4242 unsigned long event, void *ptr)
4243 {
4244 struct qlcnic_adapter *adapter;
4245 struct net_device *dev;
4246
4247 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4248
4249 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4250
4251 recheck:
4252 if (dev == NULL)
4253 goto done;
4254
4255 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4256 dev = vlan_dev_real_dev(dev);
4257 goto recheck;
4258 }
4259
4260 if (!is_qlcnic_netdev(dev))
4261 goto done;
4262
4263 adapter = netdev_priv(dev);
4264
4265 if (!adapter)
4266 goto done;
4267
4268 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4269 goto done;
4270
4271 switch (event) {
4272 case NETDEV_UP:
4273 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4274
4275 break;
4276 case NETDEV_DOWN:
4277 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4278
4279 break;
4280 default:
4281 break;
4282 }
4283
4284 done:
4285 return NOTIFY_DONE;
4286 }
4287
4288 static struct notifier_block qlcnic_netdev_cb = {
4289 .notifier_call = qlcnic_netdev_event,
4290 };
4291
4292 static struct notifier_block qlcnic_inetaddr_cb = {
4293 .notifier_call = qlcnic_inetaddr_event,
4294 };
4295 #else
4296 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4297 { }
4298 #endif
4299 static const struct pci_error_handlers qlcnic_err_handler = {
4300 .error_detected = qlcnic_io_error_detected,
4301 .slot_reset = qlcnic_io_slot_reset,
4302 .resume = qlcnic_io_resume,
4303 };
4304
4305 static struct pci_driver qlcnic_driver = {
4306 .name = qlcnic_driver_name,
4307 .id_table = qlcnic_pci_tbl,
4308 .probe = qlcnic_probe,
4309 .remove = qlcnic_remove,
4310 #ifdef CONFIG_PM
4311 .suspend = qlcnic_suspend,
4312 .resume = qlcnic_resume,
4313 #endif
4314 .shutdown = qlcnic_shutdown,
4315 .err_handler = &qlcnic_err_handler,
4316 #ifdef CONFIG_QLCNIC_SRIOV
4317 .sriov_configure = qlcnic_pci_sriov_configure,
4318 #endif
4319
4320 };
4321
4322 static int __init qlcnic_init_module(void)
4323 {
4324 int ret;
4325
4326 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4327
4328 #ifdef CONFIG_INET
4329 register_netdevice_notifier(&qlcnic_netdev_cb);
4330 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4331 #endif
4332
4333 ret = pci_register_driver(&qlcnic_driver);
4334 if (ret) {
4335 #ifdef CONFIG_INET
4336 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4337 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4338 #endif
4339 }
4340
4341 return ret;
4342 }
4343
4344 module_init(qlcnic_init_module);
4345
4346 static void __exit qlcnic_exit_module(void)
4347 {
4348 pci_unregister_driver(&qlcnic_driver);
4349
4350 #ifdef CONFIG_INET
4351 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4352 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4353 #endif
4354 }
4355
4356 module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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