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Merge remote-tracking branches 'regulator/topic/load', 'regulator/topic/max77802...
[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 #ifdef CONFIG_QLCNIC_VXLAN
20 #include <net/vxlan.h>
21 #endif
22
23 #include "qlcnic.h"
24 #include "qlcnic_sriov.h"
25 #include "qlcnic_hw.h"
26
27 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
28 MODULE_LICENSE("GPL");
29 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
30 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
31
32 char qlcnic_driver_name[] = "qlcnic";
33 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
34 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
35
36 static int qlcnic_mac_learn;
37 module_param(qlcnic_mac_learn, int, 0444);
38 MODULE_PARM_DESC(qlcnic_mac_learn,
39 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
40
41 int qlcnic_use_msi = 1;
42 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
43 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
44
45 int qlcnic_use_msi_x = 1;
46 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
47 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
48
49 int qlcnic_auto_fw_reset = 1;
50 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
51 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
52
53 int qlcnic_load_fw_file;
54 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
55 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
56
57 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
58 static void qlcnic_remove(struct pci_dev *pdev);
59 static int qlcnic_open(struct net_device *netdev);
60 static int qlcnic_close(struct net_device *netdev);
61 static void qlcnic_tx_timeout(struct net_device *netdev);
62 static void qlcnic_attach_work(struct work_struct *work);
63 static void qlcnic_fwinit_work(struct work_struct *work);
64 #ifdef CONFIG_NET_POLL_CONTROLLER
65 static void qlcnic_poll_controller(struct net_device *netdev);
66 #endif
67
68 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
69 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
70
71 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
72 static irqreturn_t qlcnic_intr(int irq, void *data);
73 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
74 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
75 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
76
77 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
78 static int qlcnic_start_firmware(struct qlcnic_adapter *);
79
80 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
81 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
82 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
83 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
84 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
85
86 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
87 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
88 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
89 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
90 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
91 static void qlcnic_82xx_io_resume(struct pci_dev *);
92 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
93 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
94 pci_channel_state_t);
95 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
96 {
97 struct qlcnic_hardware_context *ahw = adapter->ahw;
98
99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
101 else
102 return 1;
103 }
104
105 /* PCI Device ID Table */
106 #define ENTRY(device) \
107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
109
110 static const struct pci_device_id qlcnic_pci_tbl[] = {
111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
117 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
118 {0,}
119 };
120
121 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
122
123
124 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
125 {
126 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
127 }
128
129 static const u32 msi_tgt_status[8] = {
130 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
131 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
132 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
133 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
134 };
135
136 static const u32 qlcnic_reg_tbl[] = {
137 0x1B20A8, /* PEG_HALT_STAT1 */
138 0x1B20AC, /* PEG_HALT_STAT2 */
139 0x1B20B0, /* FW_HEARTBEAT */
140 0x1B2100, /* LOCK ID */
141 0x1B2128, /* FW_CAPABILITIES */
142 0x1B2138, /* drv active */
143 0x1B2140, /* dev state */
144 0x1B2144, /* drv state */
145 0x1B2148, /* drv scratch */
146 0x1B214C, /* dev partition info */
147 0x1B2174, /* drv idc ver */
148 0x1B2150, /* fw version major */
149 0x1B2154, /* fw version minor */
150 0x1B2158, /* fw version sub */
151 0x1B219C, /* npar state */
152 0x1B21FC, /* FW_IMG_VALID */
153 0x1B2250, /* CMD_PEG_STATE */
154 0x1B233C, /* RCV_PEG_STATE */
155 0x1B23B4, /* ASIC TEMP */
156 0x1B216C, /* FW api */
157 0x1B2170, /* drv op mode */
158 0x13C010, /* flash lock */
159 0x13C014, /* flash unlock */
160 };
161
162 static const struct qlcnic_board_info qlcnic_boards[] = {
163 { PCI_VENDOR_ID_QLOGIC,
164 PCI_DEVICE_ID_QLOGIC_QLE844X,
165 0x0,
166 0x0,
167 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
168 { PCI_VENDOR_ID_QLOGIC,
169 PCI_DEVICE_ID_QLOGIC_QLE834X,
170 PCI_VENDOR_ID_QLOGIC,
171 0x24e,
172 "8300 Series Dual Port 10GbE Converged Network Adapter "
173 "(TCP/IP Networking)" },
174 { PCI_VENDOR_ID_QLOGIC,
175 PCI_DEVICE_ID_QLOGIC_QLE834X,
176 PCI_VENDOR_ID_QLOGIC,
177 0x243,
178 "8300 Series Single Port 10GbE Converged Network Adapter "
179 "(TCP/IP Networking)" },
180 { PCI_VENDOR_ID_QLOGIC,
181 PCI_DEVICE_ID_QLOGIC_QLE834X,
182 PCI_VENDOR_ID_QLOGIC,
183 0x24a,
184 "8300 Series Dual Port 10GbE Converged Network Adapter "
185 "(TCP/IP Networking)" },
186 { PCI_VENDOR_ID_QLOGIC,
187 PCI_DEVICE_ID_QLOGIC_QLE834X,
188 PCI_VENDOR_ID_QLOGIC,
189 0x246,
190 "8300 Series Dual Port 10GbE Converged Network Adapter "
191 "(TCP/IP Networking)" },
192 { PCI_VENDOR_ID_QLOGIC,
193 PCI_DEVICE_ID_QLOGIC_QLE834X,
194 PCI_VENDOR_ID_QLOGIC,
195 0x252,
196 "8300 Series Dual Port 10GbE Converged Network Adapter "
197 "(TCP/IP Networking)" },
198 { PCI_VENDOR_ID_QLOGIC,
199 PCI_DEVICE_ID_QLOGIC_QLE834X,
200 PCI_VENDOR_ID_QLOGIC,
201 0x26e,
202 "8300 Series Dual Port 10GbE Converged Network Adapter "
203 "(TCP/IP Networking)" },
204 { PCI_VENDOR_ID_QLOGIC,
205 PCI_DEVICE_ID_QLOGIC_QLE834X,
206 PCI_VENDOR_ID_QLOGIC,
207 0x260,
208 "8300 Series Dual Port 10GbE Converged Network Adapter "
209 "(TCP/IP Networking)" },
210 { PCI_VENDOR_ID_QLOGIC,
211 PCI_DEVICE_ID_QLOGIC_QLE834X,
212 PCI_VENDOR_ID_QLOGIC,
213 0x266,
214 "8300 Series Single Port 10GbE Converged Network Adapter "
215 "(TCP/IP Networking)" },
216 { PCI_VENDOR_ID_QLOGIC,
217 PCI_DEVICE_ID_QLOGIC_QLE834X,
218 PCI_VENDOR_ID_QLOGIC,
219 0x269,
220 "8300 Series Dual Port 10GbE Converged Network Adapter "
221 "(TCP/IP Networking)" },
222 { PCI_VENDOR_ID_QLOGIC,
223 PCI_DEVICE_ID_QLOGIC_QLE834X,
224 PCI_VENDOR_ID_QLOGIC,
225 0x271,
226 "8300 Series Dual Port 10GbE Converged Network Adapter "
227 "(TCP/IP Networking)" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE834X,
230 0x0, 0x0, "8300 Series 1/10GbE Controller" },
231 { PCI_VENDOR_ID_QLOGIC,
232 PCI_DEVICE_ID_QLOGIC_QLE8830,
233 0x0,
234 0x0,
235 "8830 Series 1/10GbE Controller" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
239 0x203,
240 "8200 Series Single Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
245 0x207,
246 "8200 Series Dual Port 10GbE Converged Network Adapter"
247 "(TCP/IP Networking)" },
248 { PCI_VENDOR_ID_QLOGIC,
249 PCI_DEVICE_ID_QLOGIC_QLE824X,
250 PCI_VENDOR_ID_QLOGIC,
251 0x20b,
252 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
256 0x20c,
257 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 PCI_VENDOR_ID_QLOGIC,
261 0x20f,
262 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
263 { PCI_VENDOR_ID_QLOGIC,
264 PCI_DEVICE_ID_QLOGIC_QLE824X,
265 0x103c, 0x3733,
266 "NC523SFP 10Gb 2-port Server Adapter" },
267 { PCI_VENDOR_ID_QLOGIC,
268 PCI_DEVICE_ID_QLOGIC_QLE824X,
269 0x103c, 0x3346,
270 "CN1000Q Dual Port Converged Network Adapter" },
271 { PCI_VENDOR_ID_QLOGIC,
272 PCI_DEVICE_ID_QLOGIC_QLE824X,
273 PCI_VENDOR_ID_QLOGIC,
274 0x210,
275 "QME8242-k 10GbE Dual Port Mezzanine Card" },
276 { PCI_VENDOR_ID_QLOGIC,
277 PCI_DEVICE_ID_QLOGIC_QLE824X,
278 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
279 };
280
281 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
282
283 static const
284 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
285
286 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
287 {
288 int size = sizeof(struct qlcnic_host_sds_ring) * count;
289
290 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
291
292 return recv_ctx->sds_rings == NULL;
293 }
294
295 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
296 {
297 kfree(recv_ctx->sds_rings);
298 recv_ctx->sds_rings = NULL;
299 }
300
301 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
302 {
303 struct net_device *netdev = adapter->netdev;
304 struct pci_dev *pdev = adapter->pdev;
305 u8 mac_addr[ETH_ALEN];
306 int ret;
307
308 ret = qlcnic_get_mac_address(adapter, mac_addr,
309 adapter->ahw->pci_func);
310 if (ret)
311 return ret;
312
313 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
314 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
315
316 /* set station address */
317
318 if (!is_valid_ether_addr(netdev->dev_addr))
319 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
320 netdev->dev_addr);
321
322 return 0;
323 }
324
325 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
326 {
327 struct qlcnic_mac_vlan_list *cur;
328 struct list_head *head;
329
330 list_for_each(head, &adapter->mac_list) {
331 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
332 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
333 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
334 0, QLCNIC_MAC_DEL);
335 list_del(&cur->list);
336 kfree(cur);
337 return;
338 }
339 }
340 }
341
342 static int qlcnic_set_mac(struct net_device *netdev, void *p)
343 {
344 struct qlcnic_adapter *adapter = netdev_priv(netdev);
345 struct sockaddr *addr = p;
346
347 if (qlcnic_sriov_vf_check(adapter))
348 return -EINVAL;
349
350 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
351 return -EOPNOTSUPP;
352
353 if (!is_valid_ether_addr(addr->sa_data))
354 return -EINVAL;
355
356 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
357 return 0;
358
359 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
360 netif_device_detach(netdev);
361 qlcnic_napi_disable(adapter);
362 }
363
364 qlcnic_delete_adapter_mac(adapter);
365 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
366 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
367 qlcnic_set_multi(adapter->netdev);
368
369 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
370 netif_device_attach(netdev);
371 qlcnic_napi_enable(adapter);
372 }
373 return 0;
374 }
375
376 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
377 struct net_device *netdev,
378 const unsigned char *addr, u16 vid)
379 {
380 struct qlcnic_adapter *adapter = netdev_priv(netdev);
381 int err = -EOPNOTSUPP;
382
383 if (!adapter->fdb_mac_learn)
384 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
385
386 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
387 qlcnic_sriov_check(adapter)) {
388 if (is_unicast_ether_addr(addr)) {
389 err = dev_uc_del(netdev, addr);
390 if (!err)
391 err = qlcnic_nic_del_mac(adapter, addr);
392 } else if (is_multicast_ether_addr(addr)) {
393 err = dev_mc_del(netdev, addr);
394 } else {
395 err = -EINVAL;
396 }
397 }
398 return err;
399 }
400
401 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
402 struct net_device *netdev,
403 const unsigned char *addr, u16 vid, u16 flags)
404 {
405 struct qlcnic_adapter *adapter = netdev_priv(netdev);
406 int err = 0;
407
408 if (!adapter->fdb_mac_learn)
409 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
410
411 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
412 !qlcnic_sriov_check(adapter)) {
413 pr_info("%s: FDB e-switch is not enabled\n", __func__);
414 return -EOPNOTSUPP;
415 }
416
417 if (ether_addr_equal(addr, adapter->mac_addr))
418 return err;
419
420 if (is_unicast_ether_addr(addr)) {
421 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
422 err = dev_uc_add_excl(netdev, addr);
423 else
424 err = -ENOMEM;
425 } else if (is_multicast_ether_addr(addr)) {
426 err = dev_mc_add_excl(netdev, addr);
427 } else {
428 err = -EINVAL;
429 }
430
431 return err;
432 }
433
434 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
435 struct net_device *netdev,
436 struct net_device *filter_dev, int idx)
437 {
438 struct qlcnic_adapter *adapter = netdev_priv(netdev);
439
440 if (!adapter->fdb_mac_learn)
441 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
442
443 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
444 qlcnic_sriov_check(adapter))
445 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
446
447 return idx;
448 }
449
450 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
451 {
452 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
453 usleep_range(10000, 11000);
454
455 if (!adapter->fw_work.work.func)
456 return;
457
458 cancel_delayed_work_sync(&adapter->fw_work);
459 }
460
461 static int qlcnic_get_phys_port_id(struct net_device *netdev,
462 struct netdev_phys_item_id *ppid)
463 {
464 struct qlcnic_adapter *adapter = netdev_priv(netdev);
465 struct qlcnic_hardware_context *ahw = adapter->ahw;
466
467 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
468 return -EOPNOTSUPP;
469
470 ppid->id_len = sizeof(ahw->phys_port_id);
471 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
472
473 return 0;
474 }
475
476 #ifdef CONFIG_QLCNIC_VXLAN
477 static void qlcnic_add_vxlan_port(struct net_device *netdev,
478 sa_family_t sa_family, __be16 port)
479 {
480 struct qlcnic_adapter *adapter = netdev_priv(netdev);
481 struct qlcnic_hardware_context *ahw = adapter->ahw;
482
483 /* Adapter supports only one VXLAN port. Use very first port
484 * for enabling offload
485 */
486 if (!qlcnic_encap_rx_offload(adapter))
487 return;
488 if (!ahw->vxlan_port_count) {
489 ahw->vxlan_port_count = 1;
490 ahw->vxlan_port = ntohs(port);
491 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
492 return;
493 }
494 if (ahw->vxlan_port == ntohs(port))
495 ahw->vxlan_port_count++;
496
497 }
498
499 static void qlcnic_del_vxlan_port(struct net_device *netdev,
500 sa_family_t sa_family, __be16 port)
501 {
502 struct qlcnic_adapter *adapter = netdev_priv(netdev);
503 struct qlcnic_hardware_context *ahw = adapter->ahw;
504
505 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
506 (ahw->vxlan_port != ntohs(port)))
507 return;
508
509 ahw->vxlan_port_count--;
510 if (!ahw->vxlan_port_count)
511 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
512 }
513
514 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
515 struct net_device *dev,
516 netdev_features_t features)
517 {
518 features = vlan_features_check(skb, features);
519 return vxlan_features_check(skb, features);
520 }
521 #endif
522
523 static const struct net_device_ops qlcnic_netdev_ops = {
524 .ndo_open = qlcnic_open,
525 .ndo_stop = qlcnic_close,
526 .ndo_start_xmit = qlcnic_xmit_frame,
527 .ndo_get_stats = qlcnic_get_stats,
528 .ndo_validate_addr = eth_validate_addr,
529 .ndo_set_rx_mode = qlcnic_set_multi,
530 .ndo_set_mac_address = qlcnic_set_mac,
531 .ndo_change_mtu = qlcnic_change_mtu,
532 .ndo_fix_features = qlcnic_fix_features,
533 .ndo_set_features = qlcnic_set_features,
534 .ndo_tx_timeout = qlcnic_tx_timeout,
535 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
536 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
537 .ndo_fdb_add = qlcnic_fdb_add,
538 .ndo_fdb_del = qlcnic_fdb_del,
539 .ndo_fdb_dump = qlcnic_fdb_dump,
540 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
541 #ifdef CONFIG_QLCNIC_VXLAN
542 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
543 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
544 .ndo_features_check = qlcnic_features_check,
545 #endif
546 #ifdef CONFIG_NET_POLL_CONTROLLER
547 .ndo_poll_controller = qlcnic_poll_controller,
548 #endif
549 #ifdef CONFIG_QLCNIC_SRIOV
550 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
551 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
552 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
553 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
554 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
555 #endif
556 };
557
558 static const struct net_device_ops qlcnic_netdev_failed_ops = {
559 .ndo_open = qlcnic_open,
560 };
561
562 static struct qlcnic_nic_template qlcnic_ops = {
563 .config_bridged_mode = qlcnic_config_bridged_mode,
564 .config_led = qlcnic_82xx_config_led,
565 .start_firmware = qlcnic_82xx_start_firmware,
566 .request_reset = qlcnic_82xx_dev_request_reset,
567 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
568 .napi_add = qlcnic_82xx_napi_add,
569 .napi_del = qlcnic_82xx_napi_del,
570 .config_ipaddr = qlcnic_82xx_config_ipaddr,
571 .shutdown = qlcnic_82xx_shutdown,
572 .resume = qlcnic_82xx_resume,
573 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
574 };
575
576 struct qlcnic_nic_template qlcnic_vf_ops = {
577 .config_bridged_mode = qlcnicvf_config_bridged_mode,
578 .config_led = qlcnicvf_config_led,
579 .start_firmware = qlcnicvf_start_firmware
580 };
581
582 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
583 .read_crb = qlcnic_82xx_read_crb,
584 .write_crb = qlcnic_82xx_write_crb,
585 .read_reg = qlcnic_82xx_hw_read_wx_2M,
586 .write_reg = qlcnic_82xx_hw_write_wx_2M,
587 .get_mac_address = qlcnic_82xx_get_mac_address,
588 .setup_intr = qlcnic_82xx_setup_intr,
589 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
590 .mbx_cmd = qlcnic_82xx_issue_cmd,
591 .get_func_no = qlcnic_82xx_get_func_no,
592 .api_lock = qlcnic_82xx_api_lock,
593 .api_unlock = qlcnic_82xx_api_unlock,
594 .add_sysfs = qlcnic_82xx_add_sysfs,
595 .remove_sysfs = qlcnic_82xx_remove_sysfs,
596 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
597 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
598 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
599 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
600 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
601 .setup_link_event = qlcnic_82xx_linkevent_request,
602 .get_nic_info = qlcnic_82xx_get_nic_info,
603 .get_pci_info = qlcnic_82xx_get_pci_info,
604 .set_nic_info = qlcnic_82xx_set_nic_info,
605 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
606 .napi_enable = qlcnic_82xx_napi_enable,
607 .napi_disable = qlcnic_82xx_napi_disable,
608 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
609 .config_rss = qlcnic_82xx_config_rss,
610 .config_hw_lro = qlcnic_82xx_config_hw_lro,
611 .config_loopback = qlcnic_82xx_set_lb_mode,
612 .clear_loopback = qlcnic_82xx_clear_lb_mode,
613 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
614 .change_l2_filter = qlcnic_82xx_change_filter,
615 .get_board_info = qlcnic_82xx_get_board_info,
616 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
617 .free_mac_list = qlcnic_82xx_free_mac_list,
618 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
619 .io_error_detected = qlcnic_82xx_io_error_detected,
620 .io_slot_reset = qlcnic_82xx_io_slot_reset,
621 .io_resume = qlcnic_82xx_io_resume,
622 .get_beacon_state = qlcnic_82xx_get_beacon_state,
623 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
624 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
625 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
626 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
627 .get_saved_state = qlcnic_82xx_get_saved_state,
628 .set_saved_state = qlcnic_82xx_set_saved_state,
629 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
630 .get_cap_size = qlcnic_82xx_get_cap_size,
631 .set_sys_info = qlcnic_82xx_set_sys_info,
632 .store_cap_mask = qlcnic_82xx_store_cap_mask,
633 };
634
635 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
636 {
637 struct qlcnic_hardware_context *ahw = adapter->ahw;
638
639 if (qlcnic_82xx_check(adapter) &&
640 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
641 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
642 return 0;
643 } else {
644 return 1;
645 }
646 }
647
648 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
649 int queue_type)
650 {
651 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
652
653 if (queue_type == QLCNIC_RX_QUEUE)
654 max_rings = adapter->max_sds_rings;
655 else if (queue_type == QLCNIC_TX_QUEUE)
656 max_rings = adapter->max_tx_rings;
657
658 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
659 max_rings));
660
661 if (ring_cnt > num_rings)
662 return num_rings;
663 else
664 return ring_cnt;
665 }
666
667 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
668 {
669 /* 83xx adapter does not have max_tx_rings intialized in probe */
670 if (adapter->max_tx_rings)
671 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
672 QLCNIC_TX_QUEUE);
673 else
674 adapter->drv_tx_rings = tx_cnt;
675 }
676
677 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
678 {
679 /* 83xx adapter does not have max_sds_rings intialized in probe */
680 if (adapter->max_sds_rings)
681 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
682 QLCNIC_RX_QUEUE);
683 else
684 adapter->drv_sds_rings = rx_cnt;
685 }
686
687 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
688 {
689 struct pci_dev *pdev = adapter->pdev;
690 int num_msix = 0, err = 0, vector;
691
692 adapter->flags &= ~QLCNIC_TSS_RSS;
693
694 if (adapter->drv_tss_rings > 0)
695 num_msix += adapter->drv_tss_rings;
696 else
697 num_msix += adapter->drv_tx_rings;
698
699 if (adapter->drv_rss_rings > 0)
700 num_msix += adapter->drv_rss_rings;
701 else
702 num_msix += adapter->drv_sds_rings;
703
704 if (qlcnic_83xx_check(adapter))
705 num_msix += 1;
706
707 if (!adapter->msix_entries) {
708 adapter->msix_entries = kcalloc(num_msix,
709 sizeof(struct msix_entry),
710 GFP_KERNEL);
711 if (!adapter->msix_entries)
712 return -ENOMEM;
713 }
714
715 for (vector = 0; vector < num_msix; vector++)
716 adapter->msix_entries[vector].entry = vector;
717
718 restore:
719 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
720 if (err == -ENOSPC) {
721 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
722 return err;
723
724 netdev_info(adapter->netdev,
725 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
726 num_msix, err);
727
728 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
729
730 /* Set rings to 0 so we can restore original TSS/RSS count */
731 adapter->drv_tss_rings = 0;
732 adapter->drv_rss_rings = 0;
733
734 if (qlcnic_83xx_check(adapter))
735 num_msix += 1;
736
737 netdev_info(adapter->netdev,
738 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
739 adapter->drv_tx_rings, adapter->drv_sds_rings,
740 num_msix);
741
742 goto restore;
743 } else if (err < 0) {
744 return err;
745 }
746
747 adapter->ahw->num_msix = num_msix;
748 if (adapter->drv_tss_rings > 0)
749 adapter->drv_tx_rings = adapter->drv_tss_rings;
750
751 if (adapter->drv_rss_rings > 0)
752 adapter->drv_sds_rings = adapter->drv_rss_rings;
753
754 return 0;
755 }
756
757 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
758 {
759 struct pci_dev *pdev = adapter->pdev;
760 int err, vector;
761
762 if (!adapter->msix_entries) {
763 adapter->msix_entries = kcalloc(num_msix,
764 sizeof(struct msix_entry),
765 GFP_KERNEL);
766 if (!adapter->msix_entries)
767 return -ENOMEM;
768 }
769
770 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
771
772 if (adapter->ahw->msix_supported) {
773 enable_msix:
774 for (vector = 0; vector < num_msix; vector++)
775 adapter->msix_entries[vector].entry = vector;
776
777 err = pci_enable_msix_range(pdev,
778 adapter->msix_entries, 1, num_msix);
779
780 if (err == num_msix) {
781 adapter->flags |= QLCNIC_MSIX_ENABLED;
782 adapter->ahw->num_msix = num_msix;
783 dev_info(&pdev->dev, "using msi-x interrupts\n");
784 return 0;
785 } else if (err > 0) {
786 pci_disable_msix(pdev);
787
788 dev_info(&pdev->dev,
789 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
790 num_msix, err);
791
792 if (qlcnic_82xx_check(adapter)) {
793 num_msix = rounddown_pow_of_two(err);
794 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
795 return -ENOSPC;
796 } else {
797 num_msix = rounddown_pow_of_two(err - 1);
798 num_msix += 1;
799 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
800 return -ENOSPC;
801 }
802
803 if (qlcnic_82xx_check(adapter) &&
804 !qlcnic_check_multi_tx(adapter)) {
805 adapter->drv_sds_rings = num_msix;
806 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
807 } else {
808 /* Distribute vectors equally */
809 adapter->drv_tx_rings = num_msix / 2;
810 adapter->drv_sds_rings = adapter->drv_tx_rings;
811 }
812
813 if (num_msix) {
814 dev_info(&pdev->dev,
815 "Trying to allocate %d MSI-X interrupt vectors\n",
816 num_msix);
817 goto enable_msix;
818 }
819 } else {
820 dev_info(&pdev->dev,
821 "Unable to allocate %d MSI-X vectors, err=%d\n",
822 num_msix, err);
823 return err;
824 }
825 }
826
827 return -EIO;
828 }
829
830 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
831 {
832 int num_msix;
833
834 num_msix = adapter->drv_sds_rings;
835
836 if (qlcnic_check_multi_tx(adapter))
837 num_msix += adapter->drv_tx_rings;
838 else
839 num_msix += QLCNIC_SINGLE_RING;
840
841 return num_msix;
842 }
843
844 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
845 {
846 int err = 0;
847 u32 offset, mask_reg;
848 const struct qlcnic_legacy_intr_set *legacy_intrp;
849 struct qlcnic_hardware_context *ahw = adapter->ahw;
850 struct pci_dev *pdev = adapter->pdev;
851
852 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
853 adapter->flags |= QLCNIC_MSI_ENABLED;
854 offset = msi_tgt_status[adapter->ahw->pci_func];
855 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
856 offset);
857 dev_info(&pdev->dev, "using msi interrupts\n");
858 adapter->msix_entries[0].vector = pdev->irq;
859 return err;
860 }
861
862 if (qlcnic_use_msi || qlcnic_use_msi_x)
863 return -EOPNOTSUPP;
864
865 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
866 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
867 offset = legacy_intrp->tgt_status_reg;
868 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
869 mask_reg = legacy_intrp->tgt_mask_reg;
870 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
871 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
872 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
873 dev_info(&pdev->dev, "using legacy interrupts\n");
874 adapter->msix_entries[0].vector = pdev->irq;
875 return err;
876 }
877
878 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
879 {
880 int num_msix, err = 0;
881
882 if (adapter->flags & QLCNIC_TSS_RSS) {
883 err = qlcnic_setup_tss_rss_intr(adapter);
884 if (err < 0)
885 return err;
886 num_msix = adapter->ahw->num_msix;
887 } else {
888 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
889
890 err = qlcnic_enable_msix(adapter, num_msix);
891 if (err == -ENOMEM)
892 return err;
893
894 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
895 qlcnic_disable_multi_tx(adapter);
896 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
897
898 err = qlcnic_enable_msi_legacy(adapter);
899 if (err)
900 return err;
901 }
902 }
903
904 return 0;
905 }
906
907 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
908 {
909 struct qlcnic_hardware_context *ahw = adapter->ahw;
910 int err, i;
911
912 if (qlcnic_check_multi_tx(adapter) &&
913 !ahw->diag_test &&
914 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
915 ahw->intr_tbl = vzalloc(ahw->num_msix *
916 sizeof(struct qlcnic_intrpt_config));
917 if (!ahw->intr_tbl)
918 return -ENOMEM;
919
920 for (i = 0; i < ahw->num_msix; i++) {
921 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
922 ahw->intr_tbl[i].id = i;
923 ahw->intr_tbl[i].src = 0;
924 }
925
926 err = qlcnic_82xx_config_intrpt(adapter, 1);
927 if (err)
928 dev_err(&adapter->pdev->dev,
929 "Failed to configure Interrupt for %d vector\n",
930 ahw->num_msix);
931 return err;
932 }
933
934 return 0;
935 }
936
937 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
938 {
939 if (adapter->flags & QLCNIC_MSIX_ENABLED)
940 pci_disable_msix(adapter->pdev);
941 if (adapter->flags & QLCNIC_MSI_ENABLED)
942 pci_disable_msi(adapter->pdev);
943
944 kfree(adapter->msix_entries);
945 adapter->msix_entries = NULL;
946
947 if (adapter->ahw->intr_tbl) {
948 vfree(adapter->ahw->intr_tbl);
949 adapter->ahw->intr_tbl = NULL;
950 }
951 }
952
953 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
954 {
955 if (ahw->pci_base0 != NULL)
956 iounmap(ahw->pci_base0);
957 }
958
959 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
960 {
961 struct qlcnic_hardware_context *ahw = adapter->ahw;
962 struct qlcnic_pci_info *pci_info;
963 int ret;
964
965 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
966 switch (ahw->port_type) {
967 case QLCNIC_GBE:
968 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
969 break;
970 case QLCNIC_XGBE:
971 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
972 break;
973 }
974 return 0;
975 }
976
977 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
978 return 0;
979
980 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
981 if (!pci_info)
982 return -ENOMEM;
983
984 ret = qlcnic_get_pci_info(adapter, pci_info);
985 kfree(pci_info);
986 return ret;
987 }
988
989 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
990 {
991 bool ret = false;
992
993 if (qlcnic_84xx_check(adapter)) {
994 ret = true;
995 } else if (qlcnic_83xx_check(adapter)) {
996 if (adapter->ahw->extra_capability[0] &
997 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
998 ret = true;
999 else
1000 ret = false;
1001 }
1002
1003 return ret;
1004 }
1005
1006 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
1007 {
1008 struct qlcnic_hardware_context *ahw = adapter->ahw;
1009 struct qlcnic_pci_info *pci_info;
1010 int i, id = 0, ret = 0, j = 0;
1011 u16 act_pci_func;
1012 u8 pfn;
1013
1014 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
1015 if (!pci_info)
1016 return -ENOMEM;
1017
1018 ret = qlcnic_get_pci_info(adapter, pci_info);
1019 if (ret)
1020 goto err_pci_info;
1021
1022 act_pci_func = ahw->total_nic_func;
1023
1024 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
1025 act_pci_func, GFP_KERNEL);
1026 if (!adapter->npars) {
1027 ret = -ENOMEM;
1028 goto err_pci_info;
1029 }
1030
1031 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1032 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1033 if (!adapter->eswitch) {
1034 ret = -ENOMEM;
1035 goto err_npars;
1036 }
1037
1038 for (i = 0; i < ahw->max_vnic_func; i++) {
1039 pfn = pci_info[i].id;
1040
1041 if (pfn >= ahw->max_vnic_func) {
1042 ret = -EINVAL;
1043 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1044 __func__, pfn, ahw->max_vnic_func);
1045 goto err_eswitch;
1046 }
1047
1048 if (!pci_info[i].active ||
1049 (pci_info[i].type != QLCNIC_TYPE_NIC))
1050 continue;
1051
1052 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1053 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1054 &id))
1055 adapter->npars[j].eswitch_status = true;
1056 else
1057 continue;
1058 } else {
1059 adapter->npars[j].eswitch_status = true;
1060 }
1061
1062 adapter->npars[j].pci_func = pfn;
1063 adapter->npars[j].active = (u8)pci_info[i].active;
1064 adapter->npars[j].type = (u8)pci_info[i].type;
1065 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1066 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1067 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1068
1069 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1070 j++;
1071 }
1072
1073 /* Update eSwitch status for adapters without per port eSwitch
1074 * configuration capability
1075 */
1076 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1077 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1078 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1079 }
1080
1081 kfree(pci_info);
1082 return 0;
1083
1084 err_eswitch:
1085 kfree(adapter->eswitch);
1086 adapter->eswitch = NULL;
1087 err_npars:
1088 kfree(adapter->npars);
1089 adapter->npars = NULL;
1090 err_pci_info:
1091 kfree(pci_info);
1092
1093 return ret;
1094 }
1095
1096 static int
1097 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1098 {
1099 u8 id;
1100 int ret;
1101 u32 data = QLCNIC_MGMT_FUNC;
1102 struct qlcnic_hardware_context *ahw = adapter->ahw;
1103
1104 ret = qlcnic_api_lock(adapter);
1105 if (ret)
1106 goto err_lock;
1107
1108 id = ahw->pci_func;
1109 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1110 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1111 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1112 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1113 qlcnic_api_unlock(adapter);
1114 err_lock:
1115 return ret;
1116 }
1117
1118 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1119 const struct pci_device_id *ent)
1120 {
1121 u32 op_mode, priv_level;
1122
1123 /* Determine FW API version */
1124 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1125 QLCNIC_FW_API);
1126
1127 /* Find PCI function number */
1128 qlcnic_get_func_no(adapter);
1129
1130 /* Determine function privilege level */
1131 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1132 if (op_mode == QLC_DEV_DRV_DEFAULT)
1133 priv_level = QLCNIC_MGMT_FUNC;
1134 else
1135 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1136
1137 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1138 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1139 dev_info(&adapter->pdev->dev,
1140 "HAL Version: %d Non Privileged function\n",
1141 adapter->ahw->fw_hal_version);
1142 adapter->nic_ops = &qlcnic_vf_ops;
1143 } else
1144 adapter->nic_ops = &qlcnic_ops;
1145 }
1146
1147 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1148 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1149 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1150 {
1151 switch (dev_id) {
1152 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1153 *bar = QLCNIC_82XX_BAR0_LENGTH;
1154 break;
1155 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1156 case PCI_DEVICE_ID_QLOGIC_QLE8830:
1157 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1158 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1159 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
1161 *bar = QLCNIC_83XX_BAR0_LENGTH;
1162 break;
1163 default:
1164 *bar = 0;
1165 }
1166 }
1167
1168 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1169 struct qlcnic_hardware_context *ahw)
1170 {
1171 u32 offset;
1172 void __iomem *mem_ptr0 = NULL;
1173 unsigned long mem_len, pci_len0 = 0, bar0_len;
1174
1175 /* remap phys address */
1176 mem_len = pci_resource_len(pdev, 0);
1177
1178 qlcnic_get_bar_length(pdev->device, &bar0_len);
1179 if (mem_len >= bar0_len) {
1180
1181 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1182 if (mem_ptr0 == NULL) {
1183 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1184 return -EIO;
1185 }
1186 pci_len0 = mem_len;
1187 } else {
1188 return -EIO;
1189 }
1190
1191 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1192
1193 ahw->pci_base0 = mem_ptr0;
1194 ahw->pci_len0 = pci_len0;
1195 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1196 qlcnic_get_ioaddr(ahw, offset);
1197
1198 return 0;
1199 }
1200
1201 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1202 int index)
1203 {
1204 struct pci_dev *pdev = adapter->pdev;
1205 unsigned short subsystem_vendor;
1206 bool ret = true;
1207
1208 subsystem_vendor = pdev->subsystem_vendor;
1209
1210 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1211 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1212 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1213 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1214 ret = true;
1215 else
1216 ret = false;
1217 }
1218
1219 return ret;
1220 }
1221
1222 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1223 {
1224 struct pci_dev *pdev = adapter->pdev;
1225 int i, found = 0;
1226
1227 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1228 if (qlcnic_boards[i].vendor == pdev->vendor &&
1229 qlcnic_boards[i].device == pdev->device &&
1230 qlcnic_validate_subsystem_id(adapter, i)) {
1231 found = 1;
1232 break;
1233 }
1234 }
1235
1236 if (!found)
1237 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1238 else
1239 sprintf(name, "%pM: %s" , adapter->mac_addr,
1240 qlcnic_boards[i].short_name);
1241 }
1242
1243 static void
1244 qlcnic_check_options(struct qlcnic_adapter *adapter)
1245 {
1246 int err;
1247 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1248 struct pci_dev *pdev = adapter->pdev;
1249 struct qlcnic_hardware_context *ahw = adapter->ahw;
1250 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1251
1252 prev_fw_version = adapter->fw_version;
1253
1254 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1255 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1256 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1257
1258 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1259
1260 err = qlcnic_get_board_info(adapter);
1261 if (err) {
1262 dev_err(&pdev->dev, "Error getting board config info.\n");
1263 return;
1264 }
1265 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1266 if (fw_dump->tmpl_hdr == NULL ||
1267 adapter->fw_version > prev_fw_version) {
1268 vfree(fw_dump->tmpl_hdr);
1269 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1270 dev_info(&pdev->dev,
1271 "Supports FW dump capability\n");
1272 }
1273 }
1274
1275 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1276 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1277
1278 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1279 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1280 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1281 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1282 } else {
1283 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1284 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1285 }
1286
1287 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1288 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1289
1290 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1291 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1292 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1293 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1294 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1295 }
1296
1297 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1298
1299 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1300
1301 adapter->max_rds_rings = MAX_RDS_RINGS;
1302 }
1303
1304 static int
1305 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1306 {
1307 struct qlcnic_info nic_info;
1308 int err = 0;
1309
1310 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1311 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1312 if (err)
1313 return err;
1314
1315 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1316 adapter->ahw->switch_mode = nic_info.switch_mode;
1317 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1318 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1319 adapter->ahw->capabilities = nic_info.capabilities;
1320
1321 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1322 u32 temp;
1323 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1324 if (err == -EIO)
1325 return err;
1326 adapter->ahw->extra_capability[0] = temp;
1327 } else {
1328 adapter->ahw->extra_capability[0] = 0;
1329 }
1330
1331 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1332 adapter->ahw->max_mtu = nic_info.max_mtu;
1333
1334 if (adapter->ahw->capabilities & BIT_6) {
1335 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1336 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1337 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1338 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1339
1340 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1341 } else {
1342 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1343 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1344 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1345 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1346 }
1347
1348 return err;
1349 }
1350
1351 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1352 struct qlcnic_esw_func_cfg *esw_cfg)
1353 {
1354 if (esw_cfg->discard_tagged)
1355 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1356 else
1357 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1358
1359 if (esw_cfg->vlan_id) {
1360 adapter->rx_pvid = esw_cfg->vlan_id;
1361 adapter->tx_pvid = esw_cfg->vlan_id;
1362 } else {
1363 adapter->rx_pvid = 0;
1364 adapter->tx_pvid = 0;
1365 }
1366 }
1367
1368 static int
1369 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1370 {
1371 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1372 int err;
1373
1374 if (qlcnic_sriov_vf_check(adapter)) {
1375 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1376 if (err) {
1377 netdev_err(netdev,
1378 "Cannot add VLAN filter for VLAN id %d, err=%d",
1379 vid, err);
1380 return err;
1381 }
1382 }
1383
1384 set_bit(vid, adapter->vlans);
1385 return 0;
1386 }
1387
1388 static int
1389 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1390 {
1391 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1392 int err;
1393
1394 if (qlcnic_sriov_vf_check(adapter)) {
1395 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1396 if (err) {
1397 netdev_err(netdev,
1398 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1399 vid, err);
1400 return err;
1401 }
1402 }
1403
1404 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1405 clear_bit(vid, adapter->vlans);
1406 return 0;
1407 }
1408
1409 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1410 struct qlcnic_esw_func_cfg *esw_cfg)
1411 {
1412 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1413 QLCNIC_PROMISC_DISABLED);
1414
1415 if (esw_cfg->mac_anti_spoof)
1416 adapter->flags |= QLCNIC_MACSPOOF;
1417
1418 if (!esw_cfg->mac_override)
1419 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1420
1421 if (!esw_cfg->promisc_mode)
1422 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1423 }
1424
1425 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1426 {
1427 struct qlcnic_esw_func_cfg esw_cfg;
1428
1429 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1430 return 0;
1431
1432 esw_cfg.pci_func = adapter->ahw->pci_func;
1433 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1434 return -EIO;
1435 qlcnic_set_vlan_config(adapter, &esw_cfg);
1436 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1437 qlcnic_set_netdev_features(adapter, &esw_cfg);
1438
1439 return 0;
1440 }
1441
1442 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1443 struct qlcnic_esw_func_cfg *esw_cfg)
1444 {
1445 struct net_device *netdev = adapter->netdev;
1446
1447 if (qlcnic_83xx_check(adapter))
1448 return;
1449
1450 adapter->offload_flags = esw_cfg->offload_flags;
1451 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1452 netdev_update_features(netdev);
1453 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1454 }
1455
1456 static int
1457 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1458 {
1459 u32 op_mode, priv_level;
1460 int err = 0;
1461
1462 err = qlcnic_initialize_nic(adapter);
1463 if (err)
1464 return err;
1465
1466 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1467 return 0;
1468
1469 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1470 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1471
1472 if (op_mode == QLC_DEV_DRV_DEFAULT)
1473 priv_level = QLCNIC_MGMT_FUNC;
1474 else
1475 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1476
1477 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1478 if (priv_level == QLCNIC_MGMT_FUNC) {
1479 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1480 err = qlcnic_init_pci_info(adapter);
1481 if (err)
1482 return err;
1483 /* Set privilege level for other functions */
1484 qlcnic_set_function_modes(adapter);
1485 dev_info(&adapter->pdev->dev,
1486 "HAL Version: %d, Management function\n",
1487 adapter->ahw->fw_hal_version);
1488 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1489 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1490 dev_info(&adapter->pdev->dev,
1491 "HAL Version: %d, Privileged function\n",
1492 adapter->ahw->fw_hal_version);
1493 }
1494 } else {
1495 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1496 }
1497
1498 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1499
1500 return err;
1501 }
1502
1503 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1504 {
1505 struct qlcnic_esw_func_cfg esw_cfg;
1506 struct qlcnic_npar_info *npar;
1507 u8 i;
1508
1509 if (adapter->need_fw_reset)
1510 return 0;
1511
1512 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1513 if (!adapter->npars[i].eswitch_status)
1514 continue;
1515
1516 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1517 esw_cfg.pci_func = adapter->npars[i].pci_func;
1518 esw_cfg.mac_override = BIT_0;
1519 esw_cfg.promisc_mode = BIT_0;
1520 if (qlcnic_82xx_check(adapter)) {
1521 esw_cfg.offload_flags = BIT_0;
1522 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1523 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1524 }
1525 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1526 return -EIO;
1527 npar = &adapter->npars[i];
1528 npar->pvid = esw_cfg.vlan_id;
1529 npar->mac_override = esw_cfg.mac_override;
1530 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1531 npar->discard_tagged = esw_cfg.discard_tagged;
1532 npar->promisc_mode = esw_cfg.promisc_mode;
1533 npar->offload_flags = esw_cfg.offload_flags;
1534 }
1535
1536 return 0;
1537 }
1538
1539
1540 static int
1541 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1542 struct qlcnic_npar_info *npar, int pci_func)
1543 {
1544 struct qlcnic_esw_func_cfg esw_cfg;
1545 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1546 esw_cfg.pci_func = pci_func;
1547 esw_cfg.vlan_id = npar->pvid;
1548 esw_cfg.mac_override = npar->mac_override;
1549 esw_cfg.discard_tagged = npar->discard_tagged;
1550 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1551 esw_cfg.offload_flags = npar->offload_flags;
1552 esw_cfg.promisc_mode = npar->promisc_mode;
1553 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1554 return -EIO;
1555
1556 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1557 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1558 return -EIO;
1559
1560 return 0;
1561 }
1562
1563 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1564 {
1565 int i, err;
1566 struct qlcnic_npar_info *npar;
1567 struct qlcnic_info nic_info;
1568 u8 pci_func;
1569
1570 if (qlcnic_82xx_check(adapter))
1571 if (!adapter->need_fw_reset)
1572 return 0;
1573
1574 /* Set the NPAR config data after FW reset */
1575 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1576 npar = &adapter->npars[i];
1577 pci_func = npar->pci_func;
1578 if (!adapter->npars[i].eswitch_status)
1579 continue;
1580
1581 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1582 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1583 if (err)
1584 return err;
1585 nic_info.min_tx_bw = npar->min_bw;
1586 nic_info.max_tx_bw = npar->max_bw;
1587 err = qlcnic_set_nic_info(adapter, &nic_info);
1588 if (err)
1589 return err;
1590
1591 if (npar->enable_pm) {
1592 err = qlcnic_config_port_mirroring(adapter,
1593 npar->dest_npar, 1,
1594 pci_func);
1595 if (err)
1596 return err;
1597 }
1598 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1599 if (err)
1600 return err;
1601 }
1602 return 0;
1603 }
1604
1605 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1606 {
1607 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1608 u32 npar_state;
1609
1610 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1611 return 0;
1612
1613 npar_state = QLC_SHARED_REG_RD32(adapter,
1614 QLCNIC_CRB_DEV_NPAR_STATE);
1615 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1616 msleep(1000);
1617 npar_state = QLC_SHARED_REG_RD32(adapter,
1618 QLCNIC_CRB_DEV_NPAR_STATE);
1619 }
1620 if (!npar_opt_timeo) {
1621 dev_err(&adapter->pdev->dev,
1622 "Waiting for NPAR state to operational timeout\n");
1623 return -EIO;
1624 }
1625 return 0;
1626 }
1627
1628 static int
1629 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1630 {
1631 int err;
1632
1633 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1634 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1635 return 0;
1636
1637 err = qlcnic_set_default_offload_settings(adapter);
1638 if (err)
1639 return err;
1640
1641 err = qlcnic_reset_npar_config(adapter);
1642 if (err)
1643 return err;
1644
1645 qlcnic_dev_set_npar_ready(adapter);
1646
1647 return err;
1648 }
1649
1650 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1651 {
1652 int err;
1653
1654 err = qlcnic_can_start_firmware(adapter);
1655 if (err < 0)
1656 return err;
1657 else if (!err)
1658 goto check_fw_status;
1659
1660 if (qlcnic_load_fw_file)
1661 qlcnic_request_firmware(adapter);
1662 else {
1663 err = qlcnic_check_flash_fw_ver(adapter);
1664 if (err)
1665 goto err_out;
1666
1667 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1668 }
1669
1670 err = qlcnic_need_fw_reset(adapter);
1671 if (err == 0)
1672 goto check_fw_status;
1673
1674 err = qlcnic_pinit_from_rom(adapter);
1675 if (err)
1676 goto err_out;
1677
1678 err = qlcnic_load_firmware(adapter);
1679 if (err)
1680 goto err_out;
1681
1682 qlcnic_release_firmware(adapter);
1683 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1684
1685 check_fw_status:
1686 err = qlcnic_check_fw_status(adapter);
1687 if (err)
1688 goto err_out;
1689
1690 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1691 qlcnic_idc_debug_info(adapter, 1);
1692 err = qlcnic_check_eswitch_mode(adapter);
1693 if (err) {
1694 dev_err(&adapter->pdev->dev,
1695 "Memory allocation failed for eswitch\n");
1696 goto err_out;
1697 }
1698 err = qlcnic_set_mgmt_operations(adapter);
1699 if (err)
1700 goto err_out;
1701
1702 qlcnic_check_options(adapter);
1703 adapter->need_fw_reset = 0;
1704
1705 qlcnic_release_firmware(adapter);
1706 return 0;
1707
1708 err_out:
1709 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1710 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1711
1712 qlcnic_release_firmware(adapter);
1713 return err;
1714 }
1715
1716 static int
1717 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1718 {
1719 irq_handler_t handler;
1720 struct qlcnic_host_sds_ring *sds_ring;
1721 struct qlcnic_host_tx_ring *tx_ring;
1722 int err, ring, num_sds_rings;
1723
1724 unsigned long flags = 0;
1725 struct net_device *netdev = adapter->netdev;
1726 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1727
1728 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1729 if (qlcnic_82xx_check(adapter))
1730 handler = qlcnic_tmp_intr;
1731 else
1732 handler = qlcnic_83xx_tmp_intr;
1733 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1734 flags |= IRQF_SHARED;
1735
1736 } else {
1737 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1738 handler = qlcnic_msix_intr;
1739 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1740 handler = qlcnic_msi_intr;
1741 else {
1742 flags |= IRQF_SHARED;
1743 if (qlcnic_82xx_check(adapter))
1744 handler = qlcnic_intr;
1745 else
1746 handler = qlcnic_83xx_intr;
1747 }
1748 }
1749 adapter->irq = netdev->irq;
1750
1751 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1752 if (qlcnic_82xx_check(adapter) ||
1753 (qlcnic_83xx_check(adapter) &&
1754 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1755 num_sds_rings = adapter->drv_sds_rings;
1756 for (ring = 0; ring < num_sds_rings; ring++) {
1757 sds_ring = &recv_ctx->sds_rings[ring];
1758 if (qlcnic_82xx_check(adapter) &&
1759 !qlcnic_check_multi_tx(adapter) &&
1760 (ring == (num_sds_rings - 1))) {
1761 if (!(adapter->flags &
1762 QLCNIC_MSIX_ENABLED))
1763 snprintf(sds_ring->name,
1764 sizeof(sds_ring->name),
1765 "qlcnic");
1766 else
1767 snprintf(sds_ring->name,
1768 sizeof(sds_ring->name),
1769 "%s-tx-0-rx-%d",
1770 netdev->name, ring);
1771 } else {
1772 snprintf(sds_ring->name,
1773 sizeof(sds_ring->name),
1774 "%s-rx-%d",
1775 netdev->name, ring);
1776 }
1777 err = request_irq(sds_ring->irq, handler, flags,
1778 sds_ring->name, sds_ring);
1779 if (err)
1780 return err;
1781 }
1782 }
1783 if ((qlcnic_82xx_check(adapter) &&
1784 qlcnic_check_multi_tx(adapter)) ||
1785 (qlcnic_83xx_check(adapter) &&
1786 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1787 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1788 handler = qlcnic_msix_tx_intr;
1789 for (ring = 0; ring < adapter->drv_tx_rings;
1790 ring++) {
1791 tx_ring = &adapter->tx_ring[ring];
1792 snprintf(tx_ring->name, sizeof(tx_ring->name),
1793 "%s-tx-%d", netdev->name, ring);
1794 err = request_irq(tx_ring->irq, handler, flags,
1795 tx_ring->name, tx_ring);
1796 if (err)
1797 return err;
1798 }
1799 }
1800 }
1801 return 0;
1802 }
1803
1804 static void
1805 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1806 {
1807 int ring;
1808 struct qlcnic_host_sds_ring *sds_ring;
1809 struct qlcnic_host_tx_ring *tx_ring;
1810
1811 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1812
1813 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1814 if (qlcnic_82xx_check(adapter) ||
1815 (qlcnic_83xx_check(adapter) &&
1816 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1817 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1818 sds_ring = &recv_ctx->sds_rings[ring];
1819 free_irq(sds_ring->irq, sds_ring);
1820 }
1821 }
1822 if ((qlcnic_83xx_check(adapter) &&
1823 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1824 (qlcnic_82xx_check(adapter) &&
1825 qlcnic_check_multi_tx(adapter))) {
1826 for (ring = 0; ring < adapter->drv_tx_rings;
1827 ring++) {
1828 tx_ring = &adapter->tx_ring[ring];
1829 if (tx_ring->irq)
1830 free_irq(tx_ring->irq, tx_ring);
1831 }
1832 }
1833 }
1834 }
1835
1836 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1837 {
1838 u32 capab = 0;
1839
1840 if (qlcnic_82xx_check(adapter)) {
1841 if (adapter->ahw->extra_capability[0] &
1842 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1843 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1844 } else {
1845 capab = adapter->ahw->capabilities;
1846 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1847 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1848 }
1849 }
1850
1851 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1852 {
1853 struct qlcnic_hardware_context *ahw = adapter->ahw;
1854 int err;
1855
1856 /* Initialize interrupt coalesce parameters */
1857 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1858
1859 if (qlcnic_83xx_check(adapter)) {
1860 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1861 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1862 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1863 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1864 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1865
1866 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1867 } else {
1868 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1869 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1870 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1871
1872 err = qlcnic_82xx_set_rx_coalesce(adapter);
1873 }
1874
1875 return err;
1876 }
1877
1878 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1879 {
1880 int ring;
1881 struct qlcnic_host_rds_ring *rds_ring;
1882
1883 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1884 return -EIO;
1885
1886 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1887 return 0;
1888
1889 if (qlcnic_set_eswitch_port_config(adapter))
1890 return -EIO;
1891
1892 qlcnic_get_lro_mss_capability(adapter);
1893
1894 if (qlcnic_fw_create_ctx(adapter))
1895 return -EIO;
1896
1897 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1898 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1899 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1900 }
1901
1902 qlcnic_set_multi(netdev);
1903 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1904
1905 adapter->ahw->linkup = 0;
1906
1907 if (adapter->drv_sds_rings > 1)
1908 qlcnic_config_rss(adapter, 1);
1909
1910 qlcnic_config_def_intr_coalesce(adapter);
1911
1912 if (netdev->features & NETIF_F_LRO)
1913 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1914
1915 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1916 qlcnic_napi_enable(adapter);
1917
1918 qlcnic_linkevent_request(adapter, 1);
1919
1920 adapter->ahw->reset_context = 0;
1921 netif_tx_start_all_queues(netdev);
1922 return 0;
1923 }
1924
1925 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1926 {
1927 int err = 0;
1928
1929 rtnl_lock();
1930 if (netif_running(netdev))
1931 err = __qlcnic_up(adapter, netdev);
1932 rtnl_unlock();
1933
1934 return err;
1935 }
1936
1937 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1938 {
1939 int ring;
1940
1941 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1942 return;
1943
1944 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1945 return;
1946
1947 smp_mb();
1948 netif_carrier_off(netdev);
1949 adapter->ahw->linkup = 0;
1950 netif_tx_disable(netdev);
1951
1952 qlcnic_free_mac_list(adapter);
1953
1954 if (adapter->fhash.fnum)
1955 qlcnic_delete_lb_filters(adapter);
1956
1957 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1958 if (qlcnic_sriov_vf_check(adapter))
1959 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1960
1961 qlcnic_napi_disable(adapter);
1962
1963 qlcnic_fw_destroy_ctx(adapter);
1964 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1965
1966 qlcnic_reset_rx_buffers_list(adapter);
1967
1968 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1969 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1970 }
1971
1972 /* Usage: During suspend and firmware recovery module */
1973
1974 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1975 {
1976 rtnl_lock();
1977 if (netif_running(netdev))
1978 __qlcnic_down(adapter, netdev);
1979 rtnl_unlock();
1980
1981 }
1982
1983 int
1984 qlcnic_attach(struct qlcnic_adapter *adapter)
1985 {
1986 struct net_device *netdev = adapter->netdev;
1987 struct pci_dev *pdev = adapter->pdev;
1988 int err;
1989
1990 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1991 return 0;
1992
1993 err = qlcnic_napi_add(adapter, netdev);
1994 if (err)
1995 return err;
1996
1997 err = qlcnic_alloc_sw_resources(adapter);
1998 if (err) {
1999 dev_err(&pdev->dev, "Error in setting sw resources\n");
2000 goto err_out_napi_del;
2001 }
2002
2003 err = qlcnic_alloc_hw_resources(adapter);
2004 if (err) {
2005 dev_err(&pdev->dev, "Error in setting hw resources\n");
2006 goto err_out_free_sw;
2007 }
2008
2009 err = qlcnic_request_irq(adapter);
2010 if (err) {
2011 dev_err(&pdev->dev, "failed to setup interrupt\n");
2012 goto err_out_free_hw;
2013 }
2014
2015 qlcnic_create_sysfs_entries(adapter);
2016
2017 #ifdef CONFIG_QLCNIC_VXLAN
2018 if (qlcnic_encap_rx_offload(adapter))
2019 vxlan_get_rx_port(netdev);
2020 #endif
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 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3955 PCI_ERS_RESULT_RECOVERED;
3956 }
3957
3958 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3959 {
3960 u32 state;
3961 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3962
3963 pci_cleanup_aer_uncorrect_error_status(pdev);
3964 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3965 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3966 &adapter->state))
3967 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3968 FW_POLL_DELAY);
3969 }
3970
3971 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3972 pci_channel_state_t state)
3973 {
3974 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3975 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3976
3977 if (hw_ops->io_error_detected) {
3978 return hw_ops->io_error_detected(pdev, state);
3979 } else {
3980 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3981 return PCI_ERS_RESULT_DISCONNECT;
3982 }
3983 }
3984
3985 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3986 {
3987 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3988 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3989
3990 if (hw_ops->io_slot_reset) {
3991 return hw_ops->io_slot_reset(pdev);
3992 } else {
3993 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3994 return PCI_ERS_RESULT_DISCONNECT;
3995 }
3996 }
3997
3998 static void qlcnic_io_resume(struct pci_dev *pdev)
3999 {
4000 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4001 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
4002
4003 if (hw_ops->io_resume)
4004 hw_ops->io_resume(pdev);
4005 else
4006 dev_err(&pdev->dev, "AER resume handler not registered.\n");
4007 }
4008
4009
4010 static int
4011 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
4012 {
4013 int err;
4014
4015 err = qlcnic_can_start_firmware(adapter);
4016 if (err)
4017 return err;
4018
4019 err = qlcnic_check_npar_opertional(adapter);
4020 if (err)
4021 return err;
4022
4023 err = qlcnic_initialize_nic(adapter);
4024 if (err)
4025 return err;
4026
4027 qlcnic_check_options(adapter);
4028
4029 err = qlcnic_set_eswitch_port_config(adapter);
4030 if (err)
4031 return err;
4032
4033 adapter->need_fw_reset = 0;
4034
4035 return err;
4036 }
4037
4038 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4039 int queue_type)
4040 {
4041 struct net_device *netdev = adapter->netdev;
4042 u8 max_hw_rings = 0;
4043 char buf[8];
4044 int cur_rings;
4045
4046 if (queue_type == QLCNIC_RX_QUEUE) {
4047 max_hw_rings = adapter->max_sds_rings;
4048 cur_rings = adapter->drv_sds_rings;
4049 strcpy(buf, "SDS");
4050 } else if (queue_type == QLCNIC_TX_QUEUE) {
4051 max_hw_rings = adapter->max_tx_rings;
4052 cur_rings = adapter->drv_tx_rings;
4053 strcpy(buf, "Tx");
4054 }
4055
4056 if (!is_power_of_2(ring_cnt)) {
4057 netdev_err(netdev, "%s rings value should be a power of 2\n",
4058 buf);
4059 return -EINVAL;
4060 }
4061
4062 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4063 !qlcnic_check_multi_tx(adapter)) {
4064 netdev_err(netdev, "No Multi Tx queue support\n");
4065 return -EINVAL;
4066 }
4067
4068 if (ring_cnt > num_online_cpus()) {
4069 netdev_err(netdev,
4070 "%s value[%u] should not be higher than, number of online CPUs\n",
4071 buf, num_online_cpus());
4072 return -EINVAL;
4073 }
4074
4075 return 0;
4076 }
4077
4078 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4079 {
4080 struct net_device *netdev = adapter->netdev;
4081 u8 tx_rings, rx_rings;
4082 int err;
4083
4084 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4085 return -EBUSY;
4086
4087 tx_rings = adapter->drv_tss_rings;
4088 rx_rings = adapter->drv_rss_rings;
4089
4090 netif_device_detach(netdev);
4091
4092 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4093 if (err)
4094 goto done;
4095
4096 if (netif_running(netdev))
4097 __qlcnic_down(adapter, netdev);
4098
4099 qlcnic_detach(adapter);
4100
4101 if (qlcnic_83xx_check(adapter)) {
4102 qlcnic_83xx_free_mbx_intr(adapter);
4103 qlcnic_83xx_enable_mbx_poll(adapter);
4104 }
4105
4106 qlcnic_teardown_intr(adapter);
4107
4108 err = qlcnic_setup_intr(adapter);
4109 if (err) {
4110 kfree(adapter->msix_entries);
4111 netdev_err(netdev, "failed to setup interrupt\n");
4112 return err;
4113 }
4114
4115 /* Check if we need to update real_num_{tx|rx}_queues because
4116 * qlcnic_setup_intr() may change Tx/Rx rings size
4117 */
4118 if ((tx_rings != adapter->drv_tx_rings) ||
4119 (rx_rings != adapter->drv_sds_rings)) {
4120 err = qlcnic_set_real_num_queues(adapter,
4121 adapter->drv_tx_rings,
4122 adapter->drv_sds_rings);
4123 if (err)
4124 goto done;
4125 }
4126
4127 if (qlcnic_83xx_check(adapter)) {
4128 qlcnic_83xx_initialize_nic(adapter, 1);
4129 err = qlcnic_83xx_setup_mbx_intr(adapter);
4130 qlcnic_83xx_disable_mbx_poll(adapter);
4131 if (err) {
4132 dev_err(&adapter->pdev->dev,
4133 "failed to setup mbx interrupt\n");
4134 goto done;
4135 }
4136 }
4137
4138 if (netif_running(netdev)) {
4139 err = qlcnic_attach(adapter);
4140 if (err)
4141 goto done;
4142 err = __qlcnic_up(adapter, netdev);
4143 if (err)
4144 goto done;
4145 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4146 }
4147 done:
4148 netif_device_attach(netdev);
4149 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4150 return err;
4151 }
4152
4153 #ifdef CONFIG_INET
4154
4155 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4156
4157 static void
4158 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4159 struct net_device *dev, unsigned long event)
4160 {
4161 struct in_device *indev;
4162
4163 indev = in_dev_get(dev);
4164 if (!indev)
4165 return;
4166
4167 for_ifa(indev) {
4168 switch (event) {
4169 case NETDEV_UP:
4170 qlcnic_config_ipaddr(adapter,
4171 ifa->ifa_address, QLCNIC_IP_UP);
4172 break;
4173 case NETDEV_DOWN:
4174 qlcnic_config_ipaddr(adapter,
4175 ifa->ifa_address, QLCNIC_IP_DOWN);
4176 break;
4177 default:
4178 break;
4179 }
4180 } endfor_ifa(indev);
4181
4182 in_dev_put(indev);
4183 }
4184
4185 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4186 {
4187 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4188 struct net_device *dev;
4189 u16 vid;
4190
4191 qlcnic_config_indev_addr(adapter, netdev, event);
4192
4193 rcu_read_lock();
4194 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4195 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4196 if (!dev)
4197 continue;
4198 qlcnic_config_indev_addr(adapter, dev, event);
4199 }
4200 rcu_read_unlock();
4201 }
4202
4203 static int qlcnic_netdev_event(struct notifier_block *this,
4204 unsigned long event, void *ptr)
4205 {
4206 struct qlcnic_adapter *adapter;
4207 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4208
4209 recheck:
4210 if (dev == NULL)
4211 goto done;
4212
4213 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4214 dev = vlan_dev_real_dev(dev);
4215 goto recheck;
4216 }
4217
4218 if (!is_qlcnic_netdev(dev))
4219 goto done;
4220
4221 adapter = netdev_priv(dev);
4222
4223 if (!adapter)
4224 goto done;
4225
4226 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4227 goto done;
4228
4229 qlcnic_config_indev_addr(adapter, dev, event);
4230 done:
4231 return NOTIFY_DONE;
4232 }
4233
4234 static int
4235 qlcnic_inetaddr_event(struct notifier_block *this,
4236 unsigned long event, void *ptr)
4237 {
4238 struct qlcnic_adapter *adapter;
4239 struct net_device *dev;
4240
4241 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4242
4243 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4244
4245 recheck:
4246 if (dev == NULL)
4247 goto done;
4248
4249 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4250 dev = vlan_dev_real_dev(dev);
4251 goto recheck;
4252 }
4253
4254 if (!is_qlcnic_netdev(dev))
4255 goto done;
4256
4257 adapter = netdev_priv(dev);
4258
4259 if (!adapter)
4260 goto done;
4261
4262 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4263 goto done;
4264
4265 switch (event) {
4266 case NETDEV_UP:
4267 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4268
4269 break;
4270 case NETDEV_DOWN:
4271 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4272
4273 break;
4274 default:
4275 break;
4276 }
4277
4278 done:
4279 return NOTIFY_DONE;
4280 }
4281
4282 static struct notifier_block qlcnic_netdev_cb = {
4283 .notifier_call = qlcnic_netdev_event,
4284 };
4285
4286 static struct notifier_block qlcnic_inetaddr_cb = {
4287 .notifier_call = qlcnic_inetaddr_event,
4288 };
4289 #else
4290 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4291 { }
4292 #endif
4293 static const struct pci_error_handlers qlcnic_err_handler = {
4294 .error_detected = qlcnic_io_error_detected,
4295 .slot_reset = qlcnic_io_slot_reset,
4296 .resume = qlcnic_io_resume,
4297 };
4298
4299 static struct pci_driver qlcnic_driver = {
4300 .name = qlcnic_driver_name,
4301 .id_table = qlcnic_pci_tbl,
4302 .probe = qlcnic_probe,
4303 .remove = qlcnic_remove,
4304 #ifdef CONFIG_PM
4305 .suspend = qlcnic_suspend,
4306 .resume = qlcnic_resume,
4307 #endif
4308 .shutdown = qlcnic_shutdown,
4309 .err_handler = &qlcnic_err_handler,
4310 #ifdef CONFIG_QLCNIC_SRIOV
4311 .sriov_configure = qlcnic_pci_sriov_configure,
4312 #endif
4313
4314 };
4315
4316 static int __init qlcnic_init_module(void)
4317 {
4318 int ret;
4319
4320 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4321
4322 #ifdef CONFIG_INET
4323 register_netdevice_notifier(&qlcnic_netdev_cb);
4324 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4325 #endif
4326
4327 ret = pci_register_driver(&qlcnic_driver);
4328 if (ret) {
4329 #ifdef CONFIG_INET
4330 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4331 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4332 #endif
4333 }
4334
4335 return ret;
4336 }
4337
4338 module_init(qlcnic_init_module);
4339
4340 static void __exit qlcnic_exit_module(void)
4341 {
4342 pci_unregister_driver(&qlcnic_driver);
4343
4344 #ifdef CONFIG_INET
4345 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4346 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4347 #endif
4348 }
4349
4350 module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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