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bridge: fdb dumping takes a filter device
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
1 /*
2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
4 *
5 * See LICENSE.qlcnic for copyright and licensing details.
6 */
7
8 #include <linux/vmalloc.h>
9 #include <linux/interrupt.h>
10
11 #include "qlcnic.h"
12 #include "qlcnic_sriov.h"
13 #include "qlcnic_hw.h"
14
15 #include <linux/swab.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/if_vlan.h>
18 #include <net/ip.h>
19 #include <linux/ipv6.h>
20 #include <linux/inetdevice.h>
21 #include <linux/aer.h>
22 #include <linux/log2.h>
23 #include <linux/pci.h>
24 #ifdef CONFIG_QLCNIC_VXLAN
25 #include <net/vxlan.h>
26 #endif
27
28 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
29 MODULE_LICENSE("GPL");
30 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
31 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
32
33 char qlcnic_driver_name[] = "qlcnic";
34 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
36
37 static int qlcnic_mac_learn;
38 module_param(qlcnic_mac_learn, int, 0444);
39 MODULE_PARM_DESC(qlcnic_mac_learn,
40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
41
42 int qlcnic_use_msi = 1;
43 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
44 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
45
46 int qlcnic_use_msi_x = 1;
47 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
48 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
49
50 int qlcnic_auto_fw_reset = 1;
51 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
52 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
53
54 int qlcnic_load_fw_file;
55 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
56 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
57
58 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
59 static void qlcnic_remove(struct pci_dev *pdev);
60 static int qlcnic_open(struct net_device *netdev);
61 static int qlcnic_close(struct net_device *netdev);
62 static void qlcnic_tx_timeout(struct net_device *netdev);
63 static void qlcnic_attach_work(struct work_struct *work);
64 static void qlcnic_fwinit_work(struct work_struct *work);
65 #ifdef CONFIG_NET_POLL_CONTROLLER
66 static void qlcnic_poll_controller(struct net_device *netdev);
67 #endif
68
69 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
70 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
71
72 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
73 static irqreturn_t qlcnic_intr(int irq, void *data);
74 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
75 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
76 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
77
78 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
79 static int qlcnic_start_firmware(struct qlcnic_adapter *);
80
81 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
82 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
83 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
84 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
85 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
86
87 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
88 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
89 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
90 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
91 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
92 static void qlcnic_82xx_io_resume(struct pci_dev *);
93 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
94 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
95 pci_channel_state_t);
96 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
97 {
98 struct qlcnic_hardware_context *ahw = adapter->ahw;
99
100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
102 else
103 return 1;
104 }
105
106 /* PCI Device ID Table */
107 #define ENTRY(device) \
108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
110
111 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
117 {0,}
118 };
119
120 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
121
122
123 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
124 {
125 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
126 }
127
128 static const u32 msi_tgt_status[8] = {
129 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
130 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
131 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
132 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
133 };
134
135 static const u32 qlcnic_reg_tbl[] = {
136 0x1B20A8, /* PEG_HALT_STAT1 */
137 0x1B20AC, /* PEG_HALT_STAT2 */
138 0x1B20B0, /* FW_HEARTBEAT */
139 0x1B2100, /* LOCK ID */
140 0x1B2128, /* FW_CAPABILITIES */
141 0x1B2138, /* drv active */
142 0x1B2140, /* dev state */
143 0x1B2144, /* drv state */
144 0x1B2148, /* drv scratch */
145 0x1B214C, /* dev partition info */
146 0x1B2174, /* drv idc ver */
147 0x1B2150, /* fw version major */
148 0x1B2154, /* fw version minor */
149 0x1B2158, /* fw version sub */
150 0x1B219C, /* npar state */
151 0x1B21FC, /* FW_IMG_VALID */
152 0x1B2250, /* CMD_PEG_STATE */
153 0x1B233C, /* RCV_PEG_STATE */
154 0x1B23B4, /* ASIC TEMP */
155 0x1B216C, /* FW api */
156 0x1B2170, /* drv op mode */
157 0x13C010, /* flash lock */
158 0x13C014, /* flash unlock */
159 };
160
161 static const struct qlcnic_board_info qlcnic_boards[] = {
162 { PCI_VENDOR_ID_QLOGIC,
163 PCI_DEVICE_ID_QLOGIC_QLE844X,
164 0x0,
165 0x0,
166 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
170 0x24e,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
176 0x243,
177 "8300 Series Single Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
182 0x24a,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
188 0x246,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
194 0x252,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
200 0x26e,
201 "8300 Series Dual Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
206 0x260,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
212 0x266,
213 "8300 Series Single Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 PCI_VENDOR_ID_QLOGIC,
218 0x269,
219 "8300 Series Dual Port 10GbE Converged Network Adapter "
220 "(TCP/IP Networking)" },
221 { PCI_VENDOR_ID_QLOGIC,
222 PCI_DEVICE_ID_QLOGIC_QLE834X,
223 PCI_VENDOR_ID_QLOGIC,
224 0x271,
225 "8300 Series Dual Port 10GbE Converged Network Adapter "
226 "(TCP/IP Networking)" },
227 { PCI_VENDOR_ID_QLOGIC,
228 PCI_DEVICE_ID_QLOGIC_QLE834X,
229 0x0, 0x0, "8300 Series 1/10GbE Controller" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
233 0x203,
234 "8200 Series Single Port 10GbE Converged Network Adapter"
235 "(TCP/IP Networking)" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
239 0x207,
240 "8200 Series Dual Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
245 0x20b,
246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
247 { PCI_VENDOR_ID_QLOGIC,
248 PCI_DEVICE_ID_QLOGIC_QLE824X,
249 PCI_VENDOR_ID_QLOGIC,
250 0x20c,
251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
252 { PCI_VENDOR_ID_QLOGIC,
253 PCI_DEVICE_ID_QLOGIC_QLE824X,
254 PCI_VENDOR_ID_QLOGIC,
255 0x20f,
256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
259 0x103c, 0x3733,
260 "NC523SFP 10Gb 2-port Server Adapter" },
261 { PCI_VENDOR_ID_QLOGIC,
262 PCI_DEVICE_ID_QLOGIC_QLE824X,
263 0x103c, 0x3346,
264 "CN1000Q Dual Port Converged Network Adapter" },
265 { PCI_VENDOR_ID_QLOGIC,
266 PCI_DEVICE_ID_QLOGIC_QLE824X,
267 PCI_VENDOR_ID_QLOGIC,
268 0x210,
269 "QME8242-k 10GbE Dual Port Mezzanine Card" },
270 { PCI_VENDOR_ID_QLOGIC,
271 PCI_DEVICE_ID_QLOGIC_QLE824X,
272 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
273 };
274
275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
276
277 static const
278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
279
280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
281 {
282 int size = sizeof(struct qlcnic_host_sds_ring) * count;
283
284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
285
286 return recv_ctx->sds_rings == NULL;
287 }
288
289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
290 {
291 if (recv_ctx->sds_rings != NULL)
292 kfree(recv_ctx->sds_rings);
293
294 recv_ctx->sds_rings = NULL;
295 }
296
297 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
298 {
299 struct net_device *netdev = adapter->netdev;
300 struct pci_dev *pdev = adapter->pdev;
301 u8 mac_addr[ETH_ALEN];
302 int ret;
303
304 ret = qlcnic_get_mac_address(adapter, mac_addr,
305 adapter->ahw->pci_func);
306 if (ret)
307 return ret;
308
309 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
310 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
311
312 /* set station address */
313
314 if (!is_valid_ether_addr(netdev->dev_addr))
315 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
316 netdev->dev_addr);
317
318 return 0;
319 }
320
321 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
322 {
323 struct qlcnic_mac_vlan_list *cur;
324 struct list_head *head;
325
326 list_for_each(head, &adapter->mac_list) {
327 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
328 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
329 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
330 0, QLCNIC_MAC_DEL);
331 list_del(&cur->list);
332 kfree(cur);
333 return;
334 }
335 }
336 }
337
338 static int qlcnic_set_mac(struct net_device *netdev, void *p)
339 {
340 struct qlcnic_adapter *adapter = netdev_priv(netdev);
341 struct sockaddr *addr = p;
342
343 if (qlcnic_sriov_vf_check(adapter))
344 return -EINVAL;
345
346 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
347 return -EOPNOTSUPP;
348
349 if (!is_valid_ether_addr(addr->sa_data))
350 return -EINVAL;
351
352 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
353 return 0;
354
355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
356 netif_device_detach(netdev);
357 qlcnic_napi_disable(adapter);
358 }
359
360 qlcnic_delete_adapter_mac(adapter);
361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
363 qlcnic_set_multi(adapter->netdev);
364
365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
366 netif_device_attach(netdev);
367 qlcnic_napi_enable(adapter);
368 }
369 return 0;
370 }
371
372 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
373 struct net_device *netdev, const unsigned char *addr)
374 {
375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
376 int err = -EOPNOTSUPP;
377
378 if (!adapter->fdb_mac_learn)
379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
380
381 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
382 qlcnic_sriov_check(adapter)) {
383 if (is_unicast_ether_addr(addr)) {
384 err = dev_uc_del(netdev, addr);
385 if (!err)
386 err = qlcnic_nic_del_mac(adapter, addr);
387 } else if (is_multicast_ether_addr(addr)) {
388 err = dev_mc_del(netdev, addr);
389 } else {
390 err = -EINVAL;
391 }
392 }
393 return err;
394 }
395
396 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
397 struct net_device *netdev,
398 const unsigned char *addr, u16 flags)
399 {
400 struct qlcnic_adapter *adapter = netdev_priv(netdev);
401 int err = 0;
402
403 if (!adapter->fdb_mac_learn)
404 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
405
406 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
407 !qlcnic_sriov_check(adapter)) {
408 pr_info("%s: FDB e-switch is not enabled\n", __func__);
409 return -EOPNOTSUPP;
410 }
411
412 if (ether_addr_equal(addr, adapter->mac_addr))
413 return err;
414
415 if (is_unicast_ether_addr(addr)) {
416 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
417 err = dev_uc_add_excl(netdev, addr);
418 else
419 err = -ENOMEM;
420 } else if (is_multicast_ether_addr(addr)) {
421 err = dev_mc_add_excl(netdev, addr);
422 } else {
423 err = -EINVAL;
424 }
425
426 return err;
427 }
428
429 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
430 struct net_device *netdev,
431 struct net_device *filter_dev, int idx)
432 {
433 struct qlcnic_adapter *adapter = netdev_priv(netdev);
434
435 if (!adapter->fdb_mac_learn)
436 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
437
438 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
439 qlcnic_sriov_check(adapter))
440 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
441
442 return idx;
443 }
444
445 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
446 {
447 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
448 usleep_range(10000, 11000);
449
450 if (!adapter->fw_work.work.func)
451 return;
452
453 cancel_delayed_work_sync(&adapter->fw_work);
454 }
455
456 static int qlcnic_get_phys_port_id(struct net_device *netdev,
457 struct netdev_phys_port_id *ppid)
458 {
459 struct qlcnic_adapter *adapter = netdev_priv(netdev);
460 struct qlcnic_hardware_context *ahw = adapter->ahw;
461
462 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
463 return -EOPNOTSUPP;
464
465 ppid->id_len = sizeof(ahw->phys_port_id);
466 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
467
468 return 0;
469 }
470
471 #ifdef CONFIG_QLCNIC_VXLAN
472 static void qlcnic_add_vxlan_port(struct net_device *netdev,
473 sa_family_t sa_family, __be16 port)
474 {
475 struct qlcnic_adapter *adapter = netdev_priv(netdev);
476 struct qlcnic_hardware_context *ahw = adapter->ahw;
477
478 /* Adapter supports only one VXLAN port. Use very first port
479 * for enabling offload
480 */
481 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
482 return;
483
484 ahw->vxlan_port = ntohs(port);
485 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
486 }
487
488 static void qlcnic_del_vxlan_port(struct net_device *netdev,
489 sa_family_t sa_family, __be16 port)
490 {
491 struct qlcnic_adapter *adapter = netdev_priv(netdev);
492 struct qlcnic_hardware_context *ahw = adapter->ahw;
493
494 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
495 (ahw->vxlan_port != ntohs(port)))
496 return;
497
498 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
499 }
500 #endif
501
502 static const struct net_device_ops qlcnic_netdev_ops = {
503 .ndo_open = qlcnic_open,
504 .ndo_stop = qlcnic_close,
505 .ndo_start_xmit = qlcnic_xmit_frame,
506 .ndo_get_stats = qlcnic_get_stats,
507 .ndo_validate_addr = eth_validate_addr,
508 .ndo_set_rx_mode = qlcnic_set_multi,
509 .ndo_set_mac_address = qlcnic_set_mac,
510 .ndo_change_mtu = qlcnic_change_mtu,
511 .ndo_fix_features = qlcnic_fix_features,
512 .ndo_set_features = qlcnic_set_features,
513 .ndo_tx_timeout = qlcnic_tx_timeout,
514 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
515 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
516 .ndo_fdb_add = qlcnic_fdb_add,
517 .ndo_fdb_del = qlcnic_fdb_del,
518 .ndo_fdb_dump = qlcnic_fdb_dump,
519 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
520 #ifdef CONFIG_QLCNIC_VXLAN
521 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
522 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
523 #endif
524 #ifdef CONFIG_NET_POLL_CONTROLLER
525 .ndo_poll_controller = qlcnic_poll_controller,
526 #endif
527 #ifdef CONFIG_QLCNIC_SRIOV
528 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
529 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
530 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
531 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
532 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
533 #endif
534 };
535
536 static const struct net_device_ops qlcnic_netdev_failed_ops = {
537 .ndo_open = qlcnic_open,
538 };
539
540 static struct qlcnic_nic_template qlcnic_ops = {
541 .config_bridged_mode = qlcnic_config_bridged_mode,
542 .config_led = qlcnic_82xx_config_led,
543 .start_firmware = qlcnic_82xx_start_firmware,
544 .request_reset = qlcnic_82xx_dev_request_reset,
545 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
546 .napi_add = qlcnic_82xx_napi_add,
547 .napi_del = qlcnic_82xx_napi_del,
548 .config_ipaddr = qlcnic_82xx_config_ipaddr,
549 .shutdown = qlcnic_82xx_shutdown,
550 .resume = qlcnic_82xx_resume,
551 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
552 };
553
554 struct qlcnic_nic_template qlcnic_vf_ops = {
555 .config_bridged_mode = qlcnicvf_config_bridged_mode,
556 .config_led = qlcnicvf_config_led,
557 .start_firmware = qlcnicvf_start_firmware
558 };
559
560 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
561 .read_crb = qlcnic_82xx_read_crb,
562 .write_crb = qlcnic_82xx_write_crb,
563 .read_reg = qlcnic_82xx_hw_read_wx_2M,
564 .write_reg = qlcnic_82xx_hw_write_wx_2M,
565 .get_mac_address = qlcnic_82xx_get_mac_address,
566 .setup_intr = qlcnic_82xx_setup_intr,
567 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
568 .mbx_cmd = qlcnic_82xx_issue_cmd,
569 .get_func_no = qlcnic_82xx_get_func_no,
570 .api_lock = qlcnic_82xx_api_lock,
571 .api_unlock = qlcnic_82xx_api_unlock,
572 .add_sysfs = qlcnic_82xx_add_sysfs,
573 .remove_sysfs = qlcnic_82xx_remove_sysfs,
574 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
575 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
576 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
577 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
578 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
579 .setup_link_event = qlcnic_82xx_linkevent_request,
580 .get_nic_info = qlcnic_82xx_get_nic_info,
581 .get_pci_info = qlcnic_82xx_get_pci_info,
582 .set_nic_info = qlcnic_82xx_set_nic_info,
583 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
584 .napi_enable = qlcnic_82xx_napi_enable,
585 .napi_disable = qlcnic_82xx_napi_disable,
586 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
587 .config_rss = qlcnic_82xx_config_rss,
588 .config_hw_lro = qlcnic_82xx_config_hw_lro,
589 .config_loopback = qlcnic_82xx_set_lb_mode,
590 .clear_loopback = qlcnic_82xx_clear_lb_mode,
591 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
592 .change_l2_filter = qlcnic_82xx_change_filter,
593 .get_board_info = qlcnic_82xx_get_board_info,
594 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
595 .free_mac_list = qlcnic_82xx_free_mac_list,
596 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
597 .io_error_detected = qlcnic_82xx_io_error_detected,
598 .io_slot_reset = qlcnic_82xx_io_slot_reset,
599 .io_resume = qlcnic_82xx_io_resume,
600 .get_beacon_state = qlcnic_82xx_get_beacon_state,
601 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
602 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
603 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
604 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
605 .get_saved_state = qlcnic_82xx_get_saved_state,
606 .set_saved_state = qlcnic_82xx_set_saved_state,
607 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
608 .get_cap_size = qlcnic_82xx_get_cap_size,
609 .set_sys_info = qlcnic_82xx_set_sys_info,
610 .store_cap_mask = qlcnic_82xx_store_cap_mask,
611 };
612
613 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
614 {
615 struct qlcnic_hardware_context *ahw = adapter->ahw;
616
617 if (qlcnic_82xx_check(adapter) &&
618 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
619 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
620 return 0;
621 } else {
622 return 1;
623 }
624 }
625
626 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
627 int queue_type)
628 {
629 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
630
631 if (queue_type == QLCNIC_RX_QUEUE)
632 max_rings = adapter->max_sds_rings;
633 else if (queue_type == QLCNIC_TX_QUEUE)
634 max_rings = adapter->max_tx_rings;
635
636 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
637 max_rings));
638
639 if (ring_cnt > num_rings)
640 return num_rings;
641 else
642 return ring_cnt;
643 }
644
645 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
646 {
647 /* 83xx adapter does not have max_tx_rings intialized in probe */
648 if (adapter->max_tx_rings)
649 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
650 QLCNIC_TX_QUEUE);
651 else
652 adapter->drv_tx_rings = tx_cnt;
653 }
654
655 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
656 {
657 /* 83xx adapter does not have max_sds_rings intialized in probe */
658 if (adapter->max_sds_rings)
659 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
660 QLCNIC_RX_QUEUE);
661 else
662 adapter->drv_sds_rings = rx_cnt;
663 }
664
665 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
666 {
667 struct pci_dev *pdev = adapter->pdev;
668 int num_msix = 0, err = 0, vector;
669
670 adapter->flags &= ~QLCNIC_TSS_RSS;
671
672 if (adapter->drv_tss_rings > 0)
673 num_msix += adapter->drv_tss_rings;
674 else
675 num_msix += adapter->drv_tx_rings;
676
677 if (adapter->drv_rss_rings > 0)
678 num_msix += adapter->drv_rss_rings;
679 else
680 num_msix += adapter->drv_sds_rings;
681
682 if (qlcnic_83xx_check(adapter))
683 num_msix += 1;
684
685 if (!adapter->msix_entries) {
686 adapter->msix_entries = kcalloc(num_msix,
687 sizeof(struct msix_entry),
688 GFP_KERNEL);
689 if (!adapter->msix_entries)
690 return -ENOMEM;
691 }
692
693 for (vector = 0; vector < num_msix; vector++)
694 adapter->msix_entries[vector].entry = vector;
695
696 restore:
697 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
698 if (err == -ENOSPC) {
699 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
700 return err;
701
702 netdev_info(adapter->netdev,
703 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
704 num_msix, err);
705
706 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
707
708 /* Set rings to 0 so we can restore original TSS/RSS count */
709 adapter->drv_tss_rings = 0;
710 adapter->drv_rss_rings = 0;
711
712 if (qlcnic_83xx_check(adapter))
713 num_msix += 1;
714
715 netdev_info(adapter->netdev,
716 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
717 adapter->drv_tx_rings, adapter->drv_sds_rings,
718 num_msix);
719
720 goto restore;
721 } else if (err < 0) {
722 return err;
723 }
724
725 adapter->ahw->num_msix = num_msix;
726 if (adapter->drv_tss_rings > 0)
727 adapter->drv_tx_rings = adapter->drv_tss_rings;
728
729 if (adapter->drv_rss_rings > 0)
730 adapter->drv_sds_rings = adapter->drv_rss_rings;
731
732 return 0;
733 }
734
735 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
736 {
737 struct pci_dev *pdev = adapter->pdev;
738 int err, vector;
739
740 if (!adapter->msix_entries) {
741 adapter->msix_entries = kcalloc(num_msix,
742 sizeof(struct msix_entry),
743 GFP_KERNEL);
744 if (!adapter->msix_entries)
745 return -ENOMEM;
746 }
747
748 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
749
750 if (adapter->ahw->msix_supported) {
751 enable_msix:
752 for (vector = 0; vector < num_msix; vector++)
753 adapter->msix_entries[vector].entry = vector;
754
755 err = pci_enable_msix_range(pdev,
756 adapter->msix_entries, 1, num_msix);
757
758 if (err == num_msix) {
759 adapter->flags |= QLCNIC_MSIX_ENABLED;
760 adapter->ahw->num_msix = num_msix;
761 dev_info(&pdev->dev, "using msi-x interrupts\n");
762 return 0;
763 } else if (err > 0) {
764 pci_disable_msix(pdev);
765
766 dev_info(&pdev->dev,
767 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
768 num_msix, err);
769
770 if (qlcnic_82xx_check(adapter)) {
771 num_msix = rounddown_pow_of_two(err);
772 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
773 return -ENOSPC;
774 } else {
775 num_msix = rounddown_pow_of_two(err - 1);
776 num_msix += 1;
777 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
778 return -ENOSPC;
779 }
780
781 if (qlcnic_82xx_check(adapter) &&
782 !qlcnic_check_multi_tx(adapter)) {
783 adapter->drv_sds_rings = num_msix;
784 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
785 } else {
786 /* Distribute vectors equally */
787 adapter->drv_tx_rings = num_msix / 2;
788 adapter->drv_sds_rings = adapter->drv_tx_rings;
789 }
790
791 if (num_msix) {
792 dev_info(&pdev->dev,
793 "Trying to allocate %d MSI-X interrupt vectors\n",
794 num_msix);
795 goto enable_msix;
796 }
797 } else {
798 dev_info(&pdev->dev,
799 "Unable to allocate %d MSI-X vectors, err=%d\n",
800 num_msix, err);
801 return err;
802 }
803 }
804
805 return -EIO;
806 }
807
808 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
809 {
810 int num_msix;
811
812 num_msix = adapter->drv_sds_rings;
813
814 if (qlcnic_check_multi_tx(adapter))
815 num_msix += adapter->drv_tx_rings;
816 else
817 num_msix += QLCNIC_SINGLE_RING;
818
819 return num_msix;
820 }
821
822 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
823 {
824 int err = 0;
825 u32 offset, mask_reg;
826 const struct qlcnic_legacy_intr_set *legacy_intrp;
827 struct qlcnic_hardware_context *ahw = adapter->ahw;
828 struct pci_dev *pdev = adapter->pdev;
829
830 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
831 adapter->flags |= QLCNIC_MSI_ENABLED;
832 offset = msi_tgt_status[adapter->ahw->pci_func];
833 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
834 offset);
835 dev_info(&pdev->dev, "using msi interrupts\n");
836 adapter->msix_entries[0].vector = pdev->irq;
837 return err;
838 }
839
840 if (qlcnic_use_msi || qlcnic_use_msi_x)
841 return -EOPNOTSUPP;
842
843 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
844 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
845 offset = legacy_intrp->tgt_status_reg;
846 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
847 mask_reg = legacy_intrp->tgt_mask_reg;
848 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
849 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
850 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
851 dev_info(&pdev->dev, "using legacy interrupts\n");
852 adapter->msix_entries[0].vector = pdev->irq;
853 return err;
854 }
855
856 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
857 {
858 int num_msix, err = 0;
859
860 if (adapter->flags & QLCNIC_TSS_RSS) {
861 err = qlcnic_setup_tss_rss_intr(adapter);
862 if (err < 0)
863 return err;
864 num_msix = adapter->ahw->num_msix;
865 } else {
866 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
867
868 err = qlcnic_enable_msix(adapter, num_msix);
869 if (err == -ENOMEM)
870 return err;
871
872 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
873 qlcnic_disable_multi_tx(adapter);
874 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
875
876 err = qlcnic_enable_msi_legacy(adapter);
877 if (err)
878 return err;
879 }
880 }
881
882 return 0;
883 }
884
885 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
886 {
887 struct qlcnic_hardware_context *ahw = adapter->ahw;
888 int err, i;
889
890 if (qlcnic_check_multi_tx(adapter) &&
891 !ahw->diag_test &&
892 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
893 ahw->intr_tbl = vzalloc(ahw->num_msix *
894 sizeof(struct qlcnic_intrpt_config));
895 if (!ahw->intr_tbl)
896 return -ENOMEM;
897
898 for (i = 0; i < ahw->num_msix; i++) {
899 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
900 ahw->intr_tbl[i].id = i;
901 ahw->intr_tbl[i].src = 0;
902 }
903
904 err = qlcnic_82xx_config_intrpt(adapter, 1);
905 if (err)
906 dev_err(&adapter->pdev->dev,
907 "Failed to configure Interrupt for %d vector\n",
908 ahw->num_msix);
909 return err;
910 }
911
912 return 0;
913 }
914
915 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
916 {
917 if (adapter->flags & QLCNIC_MSIX_ENABLED)
918 pci_disable_msix(adapter->pdev);
919 if (adapter->flags & QLCNIC_MSI_ENABLED)
920 pci_disable_msi(adapter->pdev);
921
922 kfree(adapter->msix_entries);
923 adapter->msix_entries = NULL;
924
925 if (adapter->ahw->intr_tbl) {
926 vfree(adapter->ahw->intr_tbl);
927 adapter->ahw->intr_tbl = NULL;
928 }
929 }
930
931 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
932 {
933 if (ahw->pci_base0 != NULL)
934 iounmap(ahw->pci_base0);
935 }
936
937 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
938 {
939 struct qlcnic_hardware_context *ahw = adapter->ahw;
940 struct qlcnic_pci_info *pci_info;
941 int ret;
942
943 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
944 switch (ahw->port_type) {
945 case QLCNIC_GBE:
946 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
947 break;
948 case QLCNIC_XGBE:
949 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
950 break;
951 }
952 return 0;
953 }
954
955 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
956 return 0;
957
958 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
959 if (!pci_info)
960 return -ENOMEM;
961
962 ret = qlcnic_get_pci_info(adapter, pci_info);
963 kfree(pci_info);
964 return ret;
965 }
966
967 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
968 {
969 bool ret = false;
970
971 if (qlcnic_84xx_check(adapter)) {
972 ret = true;
973 } else if (qlcnic_83xx_check(adapter)) {
974 if (adapter->ahw->extra_capability[0] &
975 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
976 ret = true;
977 else
978 ret = false;
979 }
980
981 return ret;
982 }
983
984 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
985 {
986 struct qlcnic_hardware_context *ahw = adapter->ahw;
987 struct qlcnic_pci_info *pci_info;
988 int i, id = 0, ret = 0, j = 0;
989 u16 act_pci_func;
990 u8 pfn;
991
992 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
993 if (!pci_info)
994 return -ENOMEM;
995
996 ret = qlcnic_get_pci_info(adapter, pci_info);
997 if (ret)
998 goto err_pci_info;
999
1000 act_pci_func = ahw->total_nic_func;
1001
1002 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
1003 act_pci_func, GFP_KERNEL);
1004 if (!adapter->npars) {
1005 ret = -ENOMEM;
1006 goto err_pci_info;
1007 }
1008
1009 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1010 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1011 if (!adapter->eswitch) {
1012 ret = -ENOMEM;
1013 goto err_npars;
1014 }
1015
1016 for (i = 0; i < ahw->max_vnic_func; i++) {
1017 pfn = pci_info[i].id;
1018
1019 if (pfn >= ahw->max_vnic_func) {
1020 ret = QL_STATUS_INVALID_PARAM;
1021 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1022 __func__, pfn, ahw->max_vnic_func);
1023 goto err_eswitch;
1024 }
1025
1026 if (!pci_info[i].active ||
1027 (pci_info[i].type != QLCNIC_TYPE_NIC))
1028 continue;
1029
1030 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1031 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1032 &id))
1033 adapter->npars[j].eswitch_status = true;
1034 else
1035 continue;
1036 } else {
1037 adapter->npars[j].eswitch_status = true;
1038 }
1039
1040 adapter->npars[j].pci_func = pfn;
1041 adapter->npars[j].active = (u8)pci_info[i].active;
1042 adapter->npars[j].type = (u8)pci_info[i].type;
1043 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1044 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1045 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1046
1047 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1048 j++;
1049 }
1050
1051 /* Update eSwitch status for adapters without per port eSwitch
1052 * configuration capability
1053 */
1054 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1055 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1056 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1057 }
1058
1059 kfree(pci_info);
1060 return 0;
1061
1062 err_eswitch:
1063 kfree(adapter->eswitch);
1064 adapter->eswitch = NULL;
1065 err_npars:
1066 kfree(adapter->npars);
1067 adapter->npars = NULL;
1068 err_pci_info:
1069 kfree(pci_info);
1070
1071 return ret;
1072 }
1073
1074 static int
1075 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1076 {
1077 u8 id;
1078 int ret;
1079 u32 data = QLCNIC_MGMT_FUNC;
1080 struct qlcnic_hardware_context *ahw = adapter->ahw;
1081
1082 ret = qlcnic_api_lock(adapter);
1083 if (ret)
1084 goto err_lock;
1085
1086 id = ahw->pci_func;
1087 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1088 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1089 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1090 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1091 qlcnic_api_unlock(adapter);
1092 err_lock:
1093 return ret;
1094 }
1095
1096 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1097 const struct pci_device_id *ent)
1098 {
1099 u32 op_mode, priv_level;
1100
1101 /* Determine FW API version */
1102 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1103 QLCNIC_FW_API);
1104
1105 /* Find PCI function number */
1106 qlcnic_get_func_no(adapter);
1107
1108 /* Determine function privilege level */
1109 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1110 if (op_mode == QLC_DEV_DRV_DEFAULT)
1111 priv_level = QLCNIC_MGMT_FUNC;
1112 else
1113 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1114
1115 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1116 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1117 dev_info(&adapter->pdev->dev,
1118 "HAL Version: %d Non Privileged function\n",
1119 adapter->ahw->fw_hal_version);
1120 adapter->nic_ops = &qlcnic_vf_ops;
1121 } else
1122 adapter->nic_ops = &qlcnic_ops;
1123 }
1124
1125 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1126 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1127 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1128 {
1129 switch (dev_id) {
1130 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1131 *bar = QLCNIC_82XX_BAR0_LENGTH;
1132 break;
1133 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1134 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1135 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1136 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1137 *bar = QLCNIC_83XX_BAR0_LENGTH;
1138 break;
1139 default:
1140 *bar = 0;
1141 }
1142 }
1143
1144 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1145 struct qlcnic_hardware_context *ahw)
1146 {
1147 u32 offset;
1148 void __iomem *mem_ptr0 = NULL;
1149 unsigned long mem_len, pci_len0 = 0, bar0_len;
1150
1151 /* remap phys address */
1152 mem_len = pci_resource_len(pdev, 0);
1153
1154 qlcnic_get_bar_length(pdev->device, &bar0_len);
1155 if (mem_len >= bar0_len) {
1156
1157 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1158 if (mem_ptr0 == NULL) {
1159 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1160 return -EIO;
1161 }
1162 pci_len0 = mem_len;
1163 } else {
1164 return -EIO;
1165 }
1166
1167 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1168
1169 ahw->pci_base0 = mem_ptr0;
1170 ahw->pci_len0 = pci_len0;
1171 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1172 qlcnic_get_ioaddr(ahw, offset);
1173
1174 return 0;
1175 }
1176
1177 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1178 int index)
1179 {
1180 struct pci_dev *pdev = adapter->pdev;
1181 unsigned short subsystem_vendor;
1182 bool ret = true;
1183
1184 subsystem_vendor = pdev->subsystem_vendor;
1185
1186 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1187 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1188 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1189 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1190 ret = true;
1191 else
1192 ret = false;
1193 }
1194
1195 return ret;
1196 }
1197
1198 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1199 {
1200 struct pci_dev *pdev = adapter->pdev;
1201 int i, found = 0;
1202
1203 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1204 if (qlcnic_boards[i].vendor == pdev->vendor &&
1205 qlcnic_boards[i].device == pdev->device &&
1206 qlcnic_validate_subsystem_id(adapter, i)) {
1207 found = 1;
1208 break;
1209 }
1210 }
1211
1212 if (!found)
1213 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1214 else
1215 sprintf(name, "%pM: %s" , adapter->mac_addr,
1216 qlcnic_boards[i].short_name);
1217 }
1218
1219 static void
1220 qlcnic_check_options(struct qlcnic_adapter *adapter)
1221 {
1222 int err;
1223 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1224 struct pci_dev *pdev = adapter->pdev;
1225 struct qlcnic_hardware_context *ahw = adapter->ahw;
1226 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1227
1228 prev_fw_version = adapter->fw_version;
1229
1230 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1231 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1232 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1233
1234 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1235
1236 err = qlcnic_get_board_info(adapter);
1237 if (err) {
1238 dev_err(&pdev->dev, "Error getting board config info.\n");
1239 return;
1240 }
1241 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1242 if (fw_dump->tmpl_hdr == NULL ||
1243 adapter->fw_version > prev_fw_version) {
1244 if (fw_dump->tmpl_hdr)
1245 vfree(fw_dump->tmpl_hdr);
1246 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1247 dev_info(&pdev->dev,
1248 "Supports FW dump capability\n");
1249 }
1250 }
1251
1252 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1253 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1254
1255 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1256 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1257 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1258 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1259 } else {
1260 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1261 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1262 }
1263
1264 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1265 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1266
1267 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1268 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1269 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1270 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1271 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1272 }
1273
1274 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1275
1276 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1277
1278 adapter->max_rds_rings = MAX_RDS_RINGS;
1279 }
1280
1281 static int
1282 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1283 {
1284 struct qlcnic_info nic_info;
1285 int err = 0;
1286
1287 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1288 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1289 if (err)
1290 return err;
1291
1292 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1293 adapter->ahw->switch_mode = nic_info.switch_mode;
1294 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1295 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1296 adapter->ahw->capabilities = nic_info.capabilities;
1297
1298 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1299 u32 temp;
1300 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1301 if (err == -EIO)
1302 return err;
1303 adapter->ahw->extra_capability[0] = temp;
1304 } else {
1305 adapter->ahw->extra_capability[0] = 0;
1306 }
1307
1308 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1309 adapter->ahw->max_mtu = nic_info.max_mtu;
1310
1311 if (adapter->ahw->capabilities & BIT_6) {
1312 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1313 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1314 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1315 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1316
1317 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1318 } else {
1319 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1320 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1321 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1322 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1323 }
1324
1325 return err;
1326 }
1327
1328 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1329 struct qlcnic_esw_func_cfg *esw_cfg)
1330 {
1331 if (esw_cfg->discard_tagged)
1332 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1333 else
1334 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1335
1336 if (esw_cfg->vlan_id) {
1337 adapter->rx_pvid = esw_cfg->vlan_id;
1338 adapter->tx_pvid = esw_cfg->vlan_id;
1339 } else {
1340 adapter->rx_pvid = 0;
1341 adapter->tx_pvid = 0;
1342 }
1343 }
1344
1345 static int
1346 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1347 {
1348 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1349 int err;
1350
1351 if (qlcnic_sriov_vf_check(adapter)) {
1352 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1353 if (err) {
1354 netdev_err(netdev,
1355 "Cannot add VLAN filter for VLAN id %d, err=%d",
1356 vid, err);
1357 return err;
1358 }
1359 }
1360
1361 set_bit(vid, adapter->vlans);
1362 return 0;
1363 }
1364
1365 static int
1366 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1367 {
1368 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1369 int err;
1370
1371 if (qlcnic_sriov_vf_check(adapter)) {
1372 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1373 if (err) {
1374 netdev_err(netdev,
1375 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1376 vid, err);
1377 return err;
1378 }
1379 }
1380
1381 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1382 clear_bit(vid, adapter->vlans);
1383 return 0;
1384 }
1385
1386 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1387 struct qlcnic_esw_func_cfg *esw_cfg)
1388 {
1389 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1390 QLCNIC_PROMISC_DISABLED);
1391
1392 if (esw_cfg->mac_anti_spoof)
1393 adapter->flags |= QLCNIC_MACSPOOF;
1394
1395 if (!esw_cfg->mac_override)
1396 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1397
1398 if (!esw_cfg->promisc_mode)
1399 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1400 }
1401
1402 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1403 {
1404 struct qlcnic_esw_func_cfg esw_cfg;
1405
1406 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1407 return 0;
1408
1409 esw_cfg.pci_func = adapter->ahw->pci_func;
1410 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1411 return -EIO;
1412 qlcnic_set_vlan_config(adapter, &esw_cfg);
1413 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1414 qlcnic_set_netdev_features(adapter, &esw_cfg);
1415
1416 return 0;
1417 }
1418
1419 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1420 struct qlcnic_esw_func_cfg *esw_cfg)
1421 {
1422 struct net_device *netdev = adapter->netdev;
1423
1424 if (qlcnic_83xx_check(adapter))
1425 return;
1426
1427 adapter->offload_flags = esw_cfg->offload_flags;
1428 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1429 netdev_update_features(netdev);
1430 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1431 }
1432
1433 static int
1434 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1435 {
1436 u32 op_mode, priv_level;
1437 int err = 0;
1438
1439 err = qlcnic_initialize_nic(adapter);
1440 if (err)
1441 return err;
1442
1443 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1444 return 0;
1445
1446 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1447 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1448
1449 if (op_mode == QLC_DEV_DRV_DEFAULT)
1450 priv_level = QLCNIC_MGMT_FUNC;
1451 else
1452 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1453
1454 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1455 if (priv_level == QLCNIC_MGMT_FUNC) {
1456 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1457 err = qlcnic_init_pci_info(adapter);
1458 if (err)
1459 return err;
1460 /* Set privilege level for other functions */
1461 qlcnic_set_function_modes(adapter);
1462 dev_info(&adapter->pdev->dev,
1463 "HAL Version: %d, Management function\n",
1464 adapter->ahw->fw_hal_version);
1465 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1466 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1467 dev_info(&adapter->pdev->dev,
1468 "HAL Version: %d, Privileged function\n",
1469 adapter->ahw->fw_hal_version);
1470 }
1471 } else {
1472 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1473 }
1474
1475 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1476
1477 return err;
1478 }
1479
1480 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1481 {
1482 struct qlcnic_esw_func_cfg esw_cfg;
1483 struct qlcnic_npar_info *npar;
1484 u8 i;
1485
1486 if (adapter->need_fw_reset)
1487 return 0;
1488
1489 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1490 if (!adapter->npars[i].eswitch_status)
1491 continue;
1492
1493 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1494 esw_cfg.pci_func = adapter->npars[i].pci_func;
1495 esw_cfg.mac_override = BIT_0;
1496 esw_cfg.promisc_mode = BIT_0;
1497 if (qlcnic_82xx_check(adapter)) {
1498 esw_cfg.offload_flags = BIT_0;
1499 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1500 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1501 }
1502 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1503 return -EIO;
1504 npar = &adapter->npars[i];
1505 npar->pvid = esw_cfg.vlan_id;
1506 npar->mac_override = esw_cfg.mac_override;
1507 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1508 npar->discard_tagged = esw_cfg.discard_tagged;
1509 npar->promisc_mode = esw_cfg.promisc_mode;
1510 npar->offload_flags = esw_cfg.offload_flags;
1511 }
1512
1513 return 0;
1514 }
1515
1516
1517 static int
1518 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1519 struct qlcnic_npar_info *npar, int pci_func)
1520 {
1521 struct qlcnic_esw_func_cfg esw_cfg;
1522 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1523 esw_cfg.pci_func = pci_func;
1524 esw_cfg.vlan_id = npar->pvid;
1525 esw_cfg.mac_override = npar->mac_override;
1526 esw_cfg.discard_tagged = npar->discard_tagged;
1527 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1528 esw_cfg.offload_flags = npar->offload_flags;
1529 esw_cfg.promisc_mode = npar->promisc_mode;
1530 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1531 return -EIO;
1532
1533 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1534 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1535 return -EIO;
1536
1537 return 0;
1538 }
1539
1540 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1541 {
1542 int i, err;
1543 struct qlcnic_npar_info *npar;
1544 struct qlcnic_info nic_info;
1545 u8 pci_func;
1546
1547 if (qlcnic_82xx_check(adapter))
1548 if (!adapter->need_fw_reset)
1549 return 0;
1550
1551 /* Set the NPAR config data after FW reset */
1552 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1553 npar = &adapter->npars[i];
1554 pci_func = npar->pci_func;
1555 if (!adapter->npars[i].eswitch_status)
1556 continue;
1557
1558 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1559 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1560 if (err)
1561 return err;
1562 nic_info.min_tx_bw = npar->min_bw;
1563 nic_info.max_tx_bw = npar->max_bw;
1564 err = qlcnic_set_nic_info(adapter, &nic_info);
1565 if (err)
1566 return err;
1567
1568 if (npar->enable_pm) {
1569 err = qlcnic_config_port_mirroring(adapter,
1570 npar->dest_npar, 1,
1571 pci_func);
1572 if (err)
1573 return err;
1574 }
1575 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1576 if (err)
1577 return err;
1578 }
1579 return 0;
1580 }
1581
1582 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1583 {
1584 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1585 u32 npar_state;
1586
1587 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1588 return 0;
1589
1590 npar_state = QLC_SHARED_REG_RD32(adapter,
1591 QLCNIC_CRB_DEV_NPAR_STATE);
1592 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1593 msleep(1000);
1594 npar_state = QLC_SHARED_REG_RD32(adapter,
1595 QLCNIC_CRB_DEV_NPAR_STATE);
1596 }
1597 if (!npar_opt_timeo) {
1598 dev_err(&adapter->pdev->dev,
1599 "Waiting for NPAR state to operational timeout\n");
1600 return -EIO;
1601 }
1602 return 0;
1603 }
1604
1605 static int
1606 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1607 {
1608 int err;
1609
1610 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1611 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1612 return 0;
1613
1614 err = qlcnic_set_default_offload_settings(adapter);
1615 if (err)
1616 return err;
1617
1618 err = qlcnic_reset_npar_config(adapter);
1619 if (err)
1620 return err;
1621
1622 qlcnic_dev_set_npar_ready(adapter);
1623
1624 return err;
1625 }
1626
1627 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1628 {
1629 int err;
1630
1631 err = qlcnic_can_start_firmware(adapter);
1632 if (err < 0)
1633 return err;
1634 else if (!err)
1635 goto check_fw_status;
1636
1637 if (qlcnic_load_fw_file)
1638 qlcnic_request_firmware(adapter);
1639 else {
1640 err = qlcnic_check_flash_fw_ver(adapter);
1641 if (err)
1642 goto err_out;
1643
1644 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1645 }
1646
1647 err = qlcnic_need_fw_reset(adapter);
1648 if (err == 0)
1649 goto check_fw_status;
1650
1651 err = qlcnic_pinit_from_rom(adapter);
1652 if (err)
1653 goto err_out;
1654
1655 err = qlcnic_load_firmware(adapter);
1656 if (err)
1657 goto err_out;
1658
1659 qlcnic_release_firmware(adapter);
1660 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1661
1662 check_fw_status:
1663 err = qlcnic_check_fw_status(adapter);
1664 if (err)
1665 goto err_out;
1666
1667 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1668 qlcnic_idc_debug_info(adapter, 1);
1669 err = qlcnic_check_eswitch_mode(adapter);
1670 if (err) {
1671 dev_err(&adapter->pdev->dev,
1672 "Memory allocation failed for eswitch\n");
1673 goto err_out;
1674 }
1675 err = qlcnic_set_mgmt_operations(adapter);
1676 if (err)
1677 goto err_out;
1678
1679 qlcnic_check_options(adapter);
1680 adapter->need_fw_reset = 0;
1681
1682 qlcnic_release_firmware(adapter);
1683 return 0;
1684
1685 err_out:
1686 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1687 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1688
1689 qlcnic_release_firmware(adapter);
1690 return err;
1691 }
1692
1693 static int
1694 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1695 {
1696 irq_handler_t handler;
1697 struct qlcnic_host_sds_ring *sds_ring;
1698 struct qlcnic_host_tx_ring *tx_ring;
1699 int err, ring, num_sds_rings;
1700
1701 unsigned long flags = 0;
1702 struct net_device *netdev = adapter->netdev;
1703 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1704
1705 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1706 if (qlcnic_82xx_check(adapter))
1707 handler = qlcnic_tmp_intr;
1708 else
1709 handler = qlcnic_83xx_tmp_intr;
1710 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1711 flags |= IRQF_SHARED;
1712
1713 } else {
1714 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1715 handler = qlcnic_msix_intr;
1716 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1717 handler = qlcnic_msi_intr;
1718 else {
1719 flags |= IRQF_SHARED;
1720 if (qlcnic_82xx_check(adapter))
1721 handler = qlcnic_intr;
1722 else
1723 handler = qlcnic_83xx_intr;
1724 }
1725 }
1726 adapter->irq = netdev->irq;
1727
1728 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1729 if (qlcnic_82xx_check(adapter) ||
1730 (qlcnic_83xx_check(adapter) &&
1731 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1732 num_sds_rings = adapter->drv_sds_rings;
1733 for (ring = 0; ring < num_sds_rings; ring++) {
1734 sds_ring = &recv_ctx->sds_rings[ring];
1735 if (qlcnic_82xx_check(adapter) &&
1736 !qlcnic_check_multi_tx(adapter) &&
1737 (ring == (num_sds_rings - 1))) {
1738 if (!(adapter->flags &
1739 QLCNIC_MSIX_ENABLED))
1740 snprintf(sds_ring->name,
1741 sizeof(sds_ring->name),
1742 "qlcnic");
1743 else
1744 snprintf(sds_ring->name,
1745 sizeof(sds_ring->name),
1746 "%s-tx-0-rx-%d",
1747 netdev->name, ring);
1748 } else {
1749 snprintf(sds_ring->name,
1750 sizeof(sds_ring->name),
1751 "%s-rx-%d",
1752 netdev->name, ring);
1753 }
1754 err = request_irq(sds_ring->irq, handler, flags,
1755 sds_ring->name, sds_ring);
1756 if (err)
1757 return err;
1758 }
1759 }
1760 if ((qlcnic_82xx_check(adapter) &&
1761 qlcnic_check_multi_tx(adapter)) ||
1762 (qlcnic_83xx_check(adapter) &&
1763 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1764 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1765 handler = qlcnic_msix_tx_intr;
1766 for (ring = 0; ring < adapter->drv_tx_rings;
1767 ring++) {
1768 tx_ring = &adapter->tx_ring[ring];
1769 snprintf(tx_ring->name, sizeof(tx_ring->name),
1770 "%s-tx-%d", netdev->name, ring);
1771 err = request_irq(tx_ring->irq, handler, flags,
1772 tx_ring->name, tx_ring);
1773 if (err)
1774 return err;
1775 }
1776 }
1777 }
1778 return 0;
1779 }
1780
1781 static void
1782 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1783 {
1784 int ring;
1785 struct qlcnic_host_sds_ring *sds_ring;
1786 struct qlcnic_host_tx_ring *tx_ring;
1787
1788 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1789
1790 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1791 if (qlcnic_82xx_check(adapter) ||
1792 (qlcnic_83xx_check(adapter) &&
1793 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1794 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1795 sds_ring = &recv_ctx->sds_rings[ring];
1796 free_irq(sds_ring->irq, sds_ring);
1797 }
1798 }
1799 if ((qlcnic_83xx_check(adapter) &&
1800 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1801 (qlcnic_82xx_check(adapter) &&
1802 qlcnic_check_multi_tx(adapter))) {
1803 for (ring = 0; ring < adapter->drv_tx_rings;
1804 ring++) {
1805 tx_ring = &adapter->tx_ring[ring];
1806 if (tx_ring->irq)
1807 free_irq(tx_ring->irq, tx_ring);
1808 }
1809 }
1810 }
1811 }
1812
1813 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1814 {
1815 u32 capab = 0;
1816
1817 if (qlcnic_82xx_check(adapter)) {
1818 if (adapter->ahw->extra_capability[0] &
1819 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1820 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1821 } else {
1822 capab = adapter->ahw->capabilities;
1823 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1824 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1825 }
1826 }
1827
1828 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1829 {
1830 struct qlcnic_hardware_context *ahw = adapter->ahw;
1831 int err;
1832
1833 /* Initialize interrupt coalesce parameters */
1834 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1835
1836 if (qlcnic_83xx_check(adapter)) {
1837 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1838 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1839 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1840 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1841 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1842
1843 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1844 } else {
1845 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1846 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1847 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1848
1849 err = qlcnic_82xx_set_rx_coalesce(adapter);
1850 }
1851
1852 return err;
1853 }
1854
1855 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1856 {
1857 int ring;
1858 struct qlcnic_host_rds_ring *rds_ring;
1859
1860 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1861 return -EIO;
1862
1863 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1864 return 0;
1865
1866 if (qlcnic_set_eswitch_port_config(adapter))
1867 return -EIO;
1868
1869 qlcnic_get_lro_mss_capability(adapter);
1870
1871 if (qlcnic_fw_create_ctx(adapter))
1872 return -EIO;
1873
1874 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1875 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1876 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1877 }
1878
1879 qlcnic_set_multi(netdev);
1880 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1881
1882 adapter->ahw->linkup = 0;
1883
1884 if (adapter->drv_sds_rings > 1)
1885 qlcnic_config_rss(adapter, 1);
1886
1887 qlcnic_config_def_intr_coalesce(adapter);
1888
1889 if (netdev->features & NETIF_F_LRO)
1890 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1891
1892 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1893 qlcnic_napi_enable(adapter);
1894
1895 qlcnic_linkevent_request(adapter, 1);
1896
1897 adapter->ahw->reset_context = 0;
1898 netif_tx_start_all_queues(netdev);
1899 return 0;
1900 }
1901
1902 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1903 {
1904 int err = 0;
1905
1906 rtnl_lock();
1907 if (netif_running(netdev))
1908 err = __qlcnic_up(adapter, netdev);
1909 rtnl_unlock();
1910
1911 return err;
1912 }
1913
1914 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1915 {
1916 int ring;
1917
1918 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1919 return;
1920
1921 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1922 return;
1923
1924 smp_mb();
1925 netif_carrier_off(netdev);
1926 adapter->ahw->linkup = 0;
1927 netif_tx_disable(netdev);
1928
1929 qlcnic_free_mac_list(adapter);
1930
1931 if (adapter->fhash.fnum)
1932 qlcnic_delete_lb_filters(adapter);
1933
1934 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1935 if (qlcnic_sriov_vf_check(adapter))
1936 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1937
1938 qlcnic_napi_disable(adapter);
1939
1940 qlcnic_fw_destroy_ctx(adapter);
1941 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1942
1943 qlcnic_reset_rx_buffers_list(adapter);
1944
1945 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1946 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1947 }
1948
1949 /* Usage: During suspend and firmware recovery module */
1950
1951 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1952 {
1953 rtnl_lock();
1954 if (netif_running(netdev))
1955 __qlcnic_down(adapter, netdev);
1956 rtnl_unlock();
1957
1958 }
1959
1960 int
1961 qlcnic_attach(struct qlcnic_adapter *adapter)
1962 {
1963 struct net_device *netdev = adapter->netdev;
1964 struct pci_dev *pdev = adapter->pdev;
1965 int err;
1966
1967 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1968 return 0;
1969
1970 err = qlcnic_napi_add(adapter, netdev);
1971 if (err)
1972 return err;
1973
1974 err = qlcnic_alloc_sw_resources(adapter);
1975 if (err) {
1976 dev_err(&pdev->dev, "Error in setting sw resources\n");
1977 goto err_out_napi_del;
1978 }
1979
1980 err = qlcnic_alloc_hw_resources(adapter);
1981 if (err) {
1982 dev_err(&pdev->dev, "Error in setting hw resources\n");
1983 goto err_out_free_sw;
1984 }
1985
1986 err = qlcnic_request_irq(adapter);
1987 if (err) {
1988 dev_err(&pdev->dev, "failed to setup interrupt\n");
1989 goto err_out_free_hw;
1990 }
1991
1992 qlcnic_create_sysfs_entries(adapter);
1993
1994 #ifdef CONFIG_QLCNIC_VXLAN
1995 if (qlcnic_encap_rx_offload(adapter))
1996 vxlan_get_rx_port(netdev);
1997 #endif
1998
1999 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2000 return 0;
2001
2002 err_out_free_hw:
2003 qlcnic_free_hw_resources(adapter);
2004 err_out_free_sw:
2005 qlcnic_free_sw_resources(adapter);
2006 err_out_napi_del:
2007 qlcnic_napi_del(adapter);
2008 return err;
2009 }
2010
2011 void qlcnic_detach(struct qlcnic_adapter *adapter)
2012 {
2013 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2014 return;
2015
2016 qlcnic_remove_sysfs_entries(adapter);
2017
2018 qlcnic_free_hw_resources(adapter);
2019 qlcnic_release_rx_buffers(adapter);
2020 qlcnic_free_irq(adapter);
2021 qlcnic_napi_del(adapter);
2022 qlcnic_free_sw_resources(adapter);
2023
2024 adapter->is_up = 0;
2025 }
2026
2027 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2028 {
2029 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2030 struct qlcnic_host_sds_ring *sds_ring;
2031 int drv_tx_rings = adapter->drv_tx_rings;
2032 int ring;
2033
2034 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2035 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2036 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2037 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2038 qlcnic_disable_sds_intr(adapter, sds_ring);
2039 }
2040 }
2041
2042 qlcnic_fw_destroy_ctx(adapter);
2043
2044 qlcnic_detach(adapter);
2045
2046 adapter->ahw->diag_test = 0;
2047 adapter->drv_sds_rings = drv_sds_rings;
2048 adapter->drv_tx_rings = drv_tx_rings;
2049
2050 if (qlcnic_attach(adapter))
2051 goto out;
2052
2053 if (netif_running(netdev))
2054 __qlcnic_up(adapter, netdev);
2055 out:
2056 netif_device_attach(netdev);
2057 }
2058
2059 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2060 {
2061 struct qlcnic_hardware_context *ahw = adapter->ahw;
2062 int err = 0;
2063
2064 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2065 GFP_KERNEL);
2066 if (!adapter->recv_ctx) {
2067 err = -ENOMEM;
2068 goto err_out;
2069 }
2070
2071 if (qlcnic_83xx_check(adapter)) {
2072 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2073 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2074 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2075 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2076 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2077 } else {
2078 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2079 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2080 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2081 }
2082
2083 /* clear stats */
2084 memset(&adapter->stats, 0, sizeof(adapter->stats));
2085 err_out:
2086 return err;
2087 }
2088
2089 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2090 {
2091 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2092
2093 kfree(adapter->recv_ctx);
2094 adapter->recv_ctx = NULL;
2095
2096 if (fw_dump->tmpl_hdr) {
2097 vfree(fw_dump->tmpl_hdr);
2098 fw_dump->tmpl_hdr = NULL;
2099 }
2100
2101 if (fw_dump->dma_buffer) {
2102 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2103 fw_dump->dma_buffer, fw_dump->phys_addr);
2104 fw_dump->dma_buffer = NULL;
2105 }
2106
2107 kfree(adapter->ahw->reset.buff);
2108 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2109 }
2110
2111 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2112 {
2113 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2114 struct qlcnic_host_sds_ring *sds_ring;
2115 struct qlcnic_host_rds_ring *rds_ring;
2116 int ring;
2117 int ret;
2118
2119 netif_device_detach(netdev);
2120
2121 if (netif_running(netdev))
2122 __qlcnic_down(adapter, netdev);
2123
2124 qlcnic_detach(adapter);
2125
2126 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2127 adapter->ahw->diag_test = test;
2128 adapter->ahw->linkup = 0;
2129
2130 ret = qlcnic_attach(adapter);
2131 if (ret) {
2132 netif_device_attach(netdev);
2133 return ret;
2134 }
2135
2136 ret = qlcnic_fw_create_ctx(adapter);
2137 if (ret) {
2138 qlcnic_detach(adapter);
2139 netif_device_attach(netdev);
2140 return ret;
2141 }
2142
2143 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2144 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2145 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2146 }
2147
2148 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2149 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2150 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2151 qlcnic_enable_sds_intr(adapter, sds_ring);
2152 }
2153 }
2154
2155 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2156 adapter->ahw->loopback_state = 0;
2157 qlcnic_linkevent_request(adapter, 1);
2158 }
2159
2160 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2161
2162 return 0;
2163 }
2164
2165 /* Reset context in hardware only */
2166 static int
2167 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2168 {
2169 struct net_device *netdev = adapter->netdev;
2170
2171 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2172 return -EBUSY;
2173
2174 netif_device_detach(netdev);
2175
2176 qlcnic_down(adapter, netdev);
2177
2178 qlcnic_up(adapter, netdev);
2179
2180 netif_device_attach(netdev);
2181
2182 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2183 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2184 return 0;
2185 }
2186
2187 int
2188 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2189 {
2190 int err = 0;
2191 struct net_device *netdev = adapter->netdev;
2192
2193 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2194 return -EBUSY;
2195
2196 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2197
2198 netif_device_detach(netdev);
2199
2200 if (netif_running(netdev))
2201 __qlcnic_down(adapter, netdev);
2202
2203 qlcnic_detach(adapter);
2204
2205 if (netif_running(netdev)) {
2206 err = qlcnic_attach(adapter);
2207 if (!err) {
2208 __qlcnic_up(adapter, netdev);
2209 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2210 }
2211 }
2212
2213 netif_device_attach(netdev);
2214 }
2215
2216 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2217 return err;
2218 }
2219
2220 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2221 {
2222 struct qlcnic_hardware_context *ahw = adapter->ahw;
2223 u16 act_pci_fn = ahw->total_nic_func;
2224 u16 count;
2225
2226 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2227 if (act_pci_fn <= 2)
2228 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2229 act_pci_fn;
2230 else
2231 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2232 act_pci_fn;
2233 ahw->max_uc_count = count;
2234 }
2235
2236 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2237 u8 tx_queues, u8 rx_queues)
2238 {
2239 struct net_device *netdev = adapter->netdev;
2240 int err = 0;
2241
2242 if (tx_queues) {
2243 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2244 if (err) {
2245 netdev_err(netdev, "failed to set %d Tx queues\n",
2246 tx_queues);
2247 return err;
2248 }
2249 }
2250
2251 if (rx_queues) {
2252 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2253 if (err)
2254 netdev_err(netdev, "failed to set %d Rx queues\n",
2255 rx_queues);
2256 }
2257
2258 return err;
2259 }
2260
2261 int
2262 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2263 int pci_using_dac)
2264 {
2265 int err;
2266 struct pci_dev *pdev = adapter->pdev;
2267
2268 adapter->rx_csum = 1;
2269 adapter->ahw->mc_enabled = 0;
2270 qlcnic_set_mac_filter_count(adapter);
2271
2272 netdev->netdev_ops = &qlcnic_netdev_ops;
2273 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2274
2275 qlcnic_change_mtu(netdev, netdev->mtu);
2276
2277 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2278 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2279
2280 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2281 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2282 NETIF_F_HW_VLAN_CTAG_RX);
2283 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2284 NETIF_F_IPV6_CSUM);
2285
2286 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2287 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2288 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2289 }
2290
2291 if (pci_using_dac) {
2292 netdev->features |= NETIF_F_HIGHDMA;
2293 netdev->vlan_features |= NETIF_F_HIGHDMA;
2294 }
2295
2296 if (qlcnic_vlan_tx_check(adapter))
2297 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2298
2299 if (qlcnic_sriov_vf_check(adapter))
2300 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2301
2302 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2303 netdev->features |= NETIF_F_LRO;
2304
2305 if (qlcnic_encap_tx_offload(adapter)) {
2306 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2307
2308 /* encapsulation Tx offload supported by Adapter */
2309 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2310 NETIF_F_GSO_UDP_TUNNEL |
2311 NETIF_F_TSO |
2312 NETIF_F_TSO6;
2313 }
2314
2315 if (qlcnic_encap_rx_offload(adapter))
2316 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2317
2318 netdev->hw_features = netdev->features;
2319 netdev->priv_flags |= IFF_UNICAST_FLT;
2320 netdev->irq = adapter->msix_entries[0].vector;
2321
2322 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2323 adapter->drv_sds_rings);
2324 if (err)
2325 return err;
2326
2327 err = register_netdev(netdev);
2328 if (err) {
2329 dev_err(&pdev->dev, "failed to register net device\n");
2330 return err;
2331 }
2332
2333 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2334
2335 return 0;
2336 }
2337
2338 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2339 {
2340 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2341 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2342 *pci_using_dac = 1;
2343 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2344 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2345 *pci_using_dac = 0;
2346 else {
2347 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2348 return -EIO;
2349 }
2350
2351 return 0;
2352 }
2353
2354 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2355 {
2356 int ring;
2357 struct qlcnic_host_tx_ring *tx_ring;
2358
2359 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2360 tx_ring = &adapter->tx_ring[ring];
2361 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2362 vfree(tx_ring->cmd_buf_arr);
2363 tx_ring->cmd_buf_arr = NULL;
2364 }
2365 }
2366 if (adapter->tx_ring != NULL)
2367 kfree(adapter->tx_ring);
2368 }
2369
2370 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2371 struct net_device *netdev)
2372 {
2373 int ring, vector, index;
2374 struct qlcnic_host_tx_ring *tx_ring;
2375 struct qlcnic_cmd_buffer *cmd_buf_arr;
2376
2377 tx_ring = kcalloc(adapter->drv_tx_rings,
2378 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2379 if (tx_ring == NULL)
2380 return -ENOMEM;
2381
2382 adapter->tx_ring = tx_ring;
2383
2384 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2385 tx_ring = &adapter->tx_ring[ring];
2386 tx_ring->num_desc = adapter->num_txd;
2387 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2388 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2389 if (cmd_buf_arr == NULL) {
2390 qlcnic_free_tx_rings(adapter);
2391 return -ENOMEM;
2392 }
2393 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2394 tx_ring->cmd_buf_arr = cmd_buf_arr;
2395 spin_lock_init(&tx_ring->tx_clean_lock);
2396 }
2397
2398 if (qlcnic_83xx_check(adapter) ||
2399 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2400 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2401 tx_ring = &adapter->tx_ring[ring];
2402 tx_ring->adapter = adapter;
2403 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2404 index = adapter->drv_sds_rings + ring;
2405 vector = adapter->msix_entries[index].vector;
2406 tx_ring->irq = vector;
2407 }
2408 }
2409 }
2410
2411 return 0;
2412 }
2413
2414 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2415 {
2416 struct qlcnic_hardware_context *ahw = adapter->ahw;
2417 u32 fw_cmd = 0;
2418
2419 if (qlcnic_82xx_check(adapter))
2420 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2421 else if (qlcnic_83xx_check(adapter))
2422 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2423
2424 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2425 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2426 }
2427
2428 /* Reset firmware API lock */
2429 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2430 {
2431 qlcnic_api_lock(adapter);
2432 qlcnic_api_unlock(adapter);
2433 }
2434
2435
2436 static int
2437 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2438 {
2439 struct net_device *netdev = NULL;
2440 struct qlcnic_adapter *adapter = NULL;
2441 struct qlcnic_hardware_context *ahw;
2442 int err, pci_using_dac = -1;
2443 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2444
2445 err = pci_enable_device(pdev);
2446 if (err)
2447 return err;
2448
2449 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2450 err = -ENODEV;
2451 goto err_out_disable_pdev;
2452 }
2453
2454 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2455 if (err)
2456 goto err_out_disable_pdev;
2457
2458 err = pci_request_regions(pdev, qlcnic_driver_name);
2459 if (err)
2460 goto err_out_disable_pdev;
2461
2462 pci_set_master(pdev);
2463 pci_enable_pcie_error_reporting(pdev);
2464
2465 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2466 if (!ahw) {
2467 err = -ENOMEM;
2468 goto err_out_free_res;
2469 }
2470
2471 switch (ent->device) {
2472 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2473 ahw->hw_ops = &qlcnic_hw_ops;
2474 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2475 break;
2476 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2477 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2478 qlcnic_83xx_register_map(ahw);
2479 break;
2480 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2481 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2482 qlcnic_sriov_vf_register_map(ahw);
2483 break;
2484 default:
2485 goto err_out_free_hw_res;
2486 }
2487
2488 err = qlcnic_setup_pci_map(pdev, ahw);
2489 if (err)
2490 goto err_out_free_hw_res;
2491
2492 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2493 QLCNIC_MAX_TX_RINGS);
2494 if (!netdev) {
2495 err = -ENOMEM;
2496 goto err_out_iounmap;
2497 }
2498
2499 SET_NETDEV_DEV(netdev, &pdev->dev);
2500
2501 adapter = netdev_priv(netdev);
2502 adapter->netdev = netdev;
2503 adapter->pdev = pdev;
2504 adapter->ahw = ahw;
2505
2506 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2507 if (adapter->qlcnic_wq == NULL) {
2508 err = -ENOMEM;
2509 dev_err(&pdev->dev, "Failed to create workqueue\n");
2510 goto err_out_free_netdev;
2511 }
2512
2513 err = qlcnic_alloc_adapter_resources(adapter);
2514 if (err)
2515 goto err_out_free_wq;
2516
2517 adapter->dev_rst_time = jiffies;
2518 ahw->revision_id = pdev->revision;
2519 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2520 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2521 adapter->fdb_mac_learn = true;
2522 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2523 adapter->drv_mac_learn = true;
2524
2525 rwlock_init(&adapter->ahw->crb_lock);
2526 mutex_init(&adapter->ahw->mem_lock);
2527
2528 INIT_LIST_HEAD(&adapter->mac_list);
2529
2530 qlcnic_register_dcb(adapter);
2531
2532 if (qlcnic_82xx_check(adapter)) {
2533 qlcnic_check_vf(adapter, ent);
2534 adapter->portnum = adapter->ahw->pci_func;
2535 qlcnic_reset_api_lock(adapter);
2536 err = qlcnic_start_firmware(adapter);
2537 if (err) {
2538 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2539 "\t\tIf reboot doesn't help, try flashing the card\n");
2540 goto err_out_maintenance_mode;
2541 }
2542
2543 /* compute and set default and max tx/sds rings */
2544 if (adapter->ahw->msix_supported) {
2545 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2546 qlcnic_set_tx_ring_count(adapter,
2547 QLCNIC_SINGLE_RING);
2548 else
2549 qlcnic_set_tx_ring_count(adapter,
2550 QLCNIC_DEF_TX_RINGS);
2551 qlcnic_set_sds_ring_count(adapter,
2552 QLCNIC_DEF_SDS_RINGS);
2553 } else {
2554 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2555 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2556 }
2557
2558 err = qlcnic_setup_idc_param(adapter);
2559 if (err)
2560 goto err_out_free_hw;
2561
2562 adapter->flags |= QLCNIC_NEED_FLR;
2563
2564 } else if (qlcnic_83xx_check(adapter)) {
2565 qlcnic_83xx_check_vf(adapter, ent);
2566 adapter->portnum = adapter->ahw->pci_func;
2567 err = qlcnic_83xx_init(adapter, pci_using_dac);
2568 if (err) {
2569 switch (err) {
2570 case -ENOTRECOVERABLE:
2571 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2572 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2573 goto err_out_free_hw;
2574 case -ENOMEM:
2575 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2576 goto err_out_free_hw;
2577 case -EOPNOTSUPP:
2578 dev_err(&pdev->dev, "Adapter initialization failed\n");
2579 goto err_out_free_hw;
2580 default:
2581 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2582 goto err_out_maintenance_mode;
2583 }
2584 }
2585
2586 if (qlcnic_sriov_vf_check(adapter))
2587 return 0;
2588 } else {
2589 dev_err(&pdev->dev,
2590 "%s: failed. Please Reboot\n", __func__);
2591 goto err_out_free_hw;
2592 }
2593
2594 if (qlcnic_read_mac_addr(adapter))
2595 dev_warn(&pdev->dev, "failed to read mac addr\n");
2596
2597 qlcnic_read_phys_port_id(adapter);
2598
2599 if (adapter->portnum == 0) {
2600 qlcnic_get_board_name(adapter, board_name);
2601
2602 pr_info("%s: %s Board Chip rev 0x%x\n",
2603 module_name(THIS_MODULE),
2604 board_name, adapter->ahw->revision_id);
2605 }
2606
2607 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2608 !!qlcnic_use_msi)
2609 dev_warn(&pdev->dev,
2610 "Device does not support MSI interrupts\n");
2611
2612 if (qlcnic_82xx_check(adapter)) {
2613 qlcnic_dcb_enable(adapter->dcb);
2614 qlcnic_dcb_get_info(adapter->dcb);
2615 err = qlcnic_setup_intr(adapter);
2616
2617 if (err) {
2618 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2619 goto err_out_disable_msi;
2620 }
2621 }
2622
2623 err = qlcnic_get_act_pci_func(adapter);
2624 if (err)
2625 goto err_out_disable_mbx_intr;
2626
2627 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2628 if (err)
2629 goto err_out_disable_mbx_intr;
2630
2631 if (adapter->portnum == 0)
2632 qlcnic_set_drv_version(adapter);
2633
2634 pci_set_drvdata(pdev, adapter);
2635
2636 if (qlcnic_82xx_check(adapter))
2637 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2638 FW_POLL_DELAY);
2639
2640 switch (adapter->ahw->port_type) {
2641 case QLCNIC_GBE:
2642 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2643 adapter->netdev->name);
2644 break;
2645 case QLCNIC_XGBE:
2646 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2647 adapter->netdev->name);
2648 break;
2649 }
2650
2651 if (adapter->drv_mac_learn)
2652 qlcnic_alloc_lb_filters_mem(adapter);
2653
2654 qlcnic_add_sysfs(adapter);
2655 qlcnic_register_hwmon_dev(adapter);
2656 return 0;
2657
2658 err_out_disable_mbx_intr:
2659 if (qlcnic_83xx_check(adapter))
2660 qlcnic_83xx_free_mbx_intr(adapter);
2661
2662 err_out_disable_msi:
2663 qlcnic_teardown_intr(adapter);
2664 qlcnic_cancel_idc_work(adapter);
2665 qlcnic_clr_all_drv_state(adapter, 0);
2666
2667 err_out_free_hw:
2668 qlcnic_free_adapter_resources(adapter);
2669
2670 err_out_free_wq:
2671 destroy_workqueue(adapter->qlcnic_wq);
2672
2673 err_out_free_netdev:
2674 free_netdev(netdev);
2675
2676 err_out_iounmap:
2677 qlcnic_cleanup_pci_map(ahw);
2678
2679 err_out_free_hw_res:
2680 kfree(ahw);
2681
2682 err_out_free_res:
2683 pci_release_regions(pdev);
2684
2685 err_out_disable_pdev:
2686 pci_disable_device(pdev);
2687 return err;
2688
2689 err_out_maintenance_mode:
2690 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2691 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2692 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2693 ahw->port_type = QLCNIC_XGBE;
2694
2695 if (qlcnic_83xx_check(adapter))
2696 adapter->tgt_status_reg = NULL;
2697 else
2698 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2699
2700 err = register_netdev(netdev);
2701
2702 if (err) {
2703 dev_err(&pdev->dev, "Failed to register net device\n");
2704 qlcnic_clr_all_drv_state(adapter, 0);
2705 goto err_out_free_hw;
2706 }
2707
2708 pci_set_drvdata(pdev, adapter);
2709 qlcnic_add_sysfs(adapter);
2710
2711 return 0;
2712 }
2713
2714 static void qlcnic_remove(struct pci_dev *pdev)
2715 {
2716 struct qlcnic_adapter *adapter;
2717 struct net_device *netdev;
2718 struct qlcnic_hardware_context *ahw;
2719
2720 adapter = pci_get_drvdata(pdev);
2721 if (adapter == NULL)
2722 return;
2723
2724 netdev = adapter->netdev;
2725
2726 qlcnic_cancel_idc_work(adapter);
2727 qlcnic_sriov_pf_disable(adapter);
2728 ahw = adapter->ahw;
2729
2730 unregister_netdev(netdev);
2731 qlcnic_sriov_cleanup(adapter);
2732
2733 if (qlcnic_83xx_check(adapter)) {
2734 qlcnic_83xx_initialize_nic(adapter, 0);
2735 cancel_delayed_work_sync(&adapter->idc_aen_work);
2736 qlcnic_83xx_free_mbx_intr(adapter);
2737 qlcnic_83xx_detach_mailbox_work(adapter);
2738 qlcnic_83xx_free_mailbox(ahw->mailbox);
2739 kfree(ahw->fw_info);
2740 }
2741
2742 qlcnic_dcb_free(adapter->dcb);
2743
2744 qlcnic_detach(adapter);
2745
2746 if (adapter->npars != NULL)
2747 kfree(adapter->npars);
2748 if (adapter->eswitch != NULL)
2749 kfree(adapter->eswitch);
2750
2751 if (qlcnic_82xx_check(adapter))
2752 qlcnic_clr_all_drv_state(adapter, 0);
2753
2754 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2755
2756 qlcnic_free_lb_filters_mem(adapter);
2757
2758 qlcnic_teardown_intr(adapter);
2759
2760 qlcnic_remove_sysfs(adapter);
2761
2762 qlcnic_unregister_hwmon_dev(adapter);
2763
2764 qlcnic_cleanup_pci_map(adapter->ahw);
2765
2766 qlcnic_release_firmware(adapter);
2767
2768 pci_disable_pcie_error_reporting(pdev);
2769 pci_release_regions(pdev);
2770 pci_disable_device(pdev);
2771
2772 if (adapter->qlcnic_wq) {
2773 destroy_workqueue(adapter->qlcnic_wq);
2774 adapter->qlcnic_wq = NULL;
2775 }
2776
2777 qlcnic_free_adapter_resources(adapter);
2778 kfree(ahw);
2779 free_netdev(netdev);
2780 }
2781
2782 static void qlcnic_shutdown(struct pci_dev *pdev)
2783 {
2784 if (__qlcnic_shutdown(pdev))
2785 return;
2786
2787 pci_disable_device(pdev);
2788 }
2789
2790 #ifdef CONFIG_PM
2791 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2792 {
2793 int retval;
2794
2795 retval = __qlcnic_shutdown(pdev);
2796 if (retval)
2797 return retval;
2798
2799 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2800 return 0;
2801 }
2802
2803 static int qlcnic_resume(struct pci_dev *pdev)
2804 {
2805 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2806 int err;
2807
2808 err = pci_enable_device(pdev);
2809 if (err)
2810 return err;
2811
2812 pci_set_power_state(pdev, PCI_D0);
2813 pci_set_master(pdev);
2814 pci_restore_state(pdev);
2815
2816 return __qlcnic_resume(adapter);
2817 }
2818 #endif
2819
2820 static int qlcnic_open(struct net_device *netdev)
2821 {
2822 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2823 int err;
2824
2825 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2826 netdev_err(netdev, "%s: Device is in non-operational state\n",
2827 __func__);
2828
2829 return -EIO;
2830 }
2831
2832 netif_carrier_off(netdev);
2833
2834 err = qlcnic_attach(adapter);
2835 if (err)
2836 return err;
2837
2838 err = __qlcnic_up(adapter, netdev);
2839 if (err)
2840 qlcnic_detach(adapter);
2841
2842 return err;
2843 }
2844
2845 /*
2846 * qlcnic_close - Disables a network interface entry point
2847 */
2848 static int qlcnic_close(struct net_device *netdev)
2849 {
2850 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2851
2852 __qlcnic_down(adapter, netdev);
2853
2854 return 0;
2855 }
2856
2857 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2858
2859 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2860 {
2861 void *head;
2862 int i;
2863 struct net_device *netdev = adapter->netdev;
2864 u32 filter_size = 0;
2865 u16 act_pci_func = 0;
2866
2867 if (adapter->fhash.fmax && adapter->fhash.fhead)
2868 return;
2869
2870 act_pci_func = adapter->ahw->total_nic_func;
2871 spin_lock_init(&adapter->mac_learn_lock);
2872 spin_lock_init(&adapter->rx_mac_learn_lock);
2873
2874 if (qlcnic_sriov_vf_check(adapter)) {
2875 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2876 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2877 } else if (qlcnic_82xx_check(adapter)) {
2878 filter_size = QLCNIC_LB_MAX_FILTERS;
2879 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2880 } else {
2881 filter_size = QLC_83XX_LB_MAX_FILTERS;
2882 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2883 }
2884
2885 head = kcalloc(adapter->fhash.fbucket_size,
2886 sizeof(struct hlist_head), GFP_ATOMIC);
2887
2888 if (!head)
2889 return;
2890
2891 adapter->fhash.fmax = (filter_size / act_pci_func);
2892 adapter->fhash.fhead = head;
2893
2894 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2895 act_pci_func, adapter->fhash.fmax);
2896
2897 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2898 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2899
2900 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2901
2902 head = kcalloc(adapter->rx_fhash.fbucket_size,
2903 sizeof(struct hlist_head), GFP_ATOMIC);
2904
2905 if (!head)
2906 return;
2907
2908 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2909 adapter->rx_fhash.fhead = head;
2910
2911 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2912 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2913 }
2914
2915 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2916 {
2917 if (adapter->fhash.fmax && adapter->fhash.fhead)
2918 kfree(adapter->fhash.fhead);
2919
2920 adapter->fhash.fhead = NULL;
2921 adapter->fhash.fmax = 0;
2922
2923 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2924 kfree(adapter->rx_fhash.fhead);
2925
2926 adapter->rx_fhash.fmax = 0;
2927 adapter->rx_fhash.fhead = NULL;
2928 }
2929
2930 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2931 {
2932 struct net_device *netdev = adapter->netdev;
2933 u32 temp_state, temp_val, temp = 0;
2934 int rv = 0;
2935
2936 if (qlcnic_83xx_check(adapter))
2937 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2938
2939 if (qlcnic_82xx_check(adapter))
2940 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2941
2942 temp_state = qlcnic_get_temp_state(temp);
2943 temp_val = qlcnic_get_temp_val(temp);
2944
2945 if (temp_state == QLCNIC_TEMP_PANIC) {
2946 dev_err(&netdev->dev,
2947 "Device temperature %d degrees C exceeds"
2948 " maximum allowed. Hardware has been shut down.\n",
2949 temp_val);
2950 rv = 1;
2951 } else if (temp_state == QLCNIC_TEMP_WARN) {
2952 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2953 dev_err(&netdev->dev,
2954 "Device temperature %d degrees C "
2955 "exceeds operating range."
2956 " Immediate action needed.\n",
2957 temp_val);
2958 }
2959 } else {
2960 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2961 dev_info(&netdev->dev,
2962 "Device temperature is now %d degrees C"
2963 " in normal range.\n", temp_val);
2964 }
2965 }
2966 adapter->ahw->temp = temp_state;
2967 return rv;
2968 }
2969
2970 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2971 {
2972 int i;
2973 struct cmd_desc_type0 *tx_desc_info;
2974
2975 for (i = 0; i < tx_ring->num_desc; i++) {
2976 tx_desc_info = &tx_ring->desc_head[i];
2977 pr_info("TX Desc: %d\n", i);
2978 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2979 &tx_ring->desc_head[i],
2980 sizeof(struct cmd_desc_type0), true);
2981 }
2982 }
2983
2984 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
2985 {
2986 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2987 struct net_device *netdev = adapter->netdev;
2988 struct qlcnic_host_rds_ring *rds_ring;
2989 struct qlcnic_host_sds_ring *sds_ring;
2990 struct qlcnic_host_tx_ring *tx_ring;
2991 int ring;
2992
2993 if (!netdev || !netif_running(netdev))
2994 return;
2995
2996 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2997 rds_ring = &recv_ctx->rds_rings[ring];
2998 if (!rds_ring)
2999 continue;
3000 netdev_info(netdev,
3001 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3002 ring, readl(rds_ring->crb_rcv_producer),
3003 rds_ring->producer, rds_ring->num_desc);
3004 }
3005
3006 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3007 sds_ring = &(recv_ctx->sds_rings[ring]);
3008 if (!sds_ring)
3009 continue;
3010 netdev_info(netdev,
3011 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3012 ring, readl(sds_ring->crb_sts_consumer),
3013 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3014 sds_ring->num_desc);
3015 }
3016
3017 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3018 tx_ring = &adapter->tx_ring[ring];
3019 if (!tx_ring)
3020 continue;
3021 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3022 ring, tx_ring->ctx_id);
3023 netdev_info(netdev,
3024 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3025 tx_ring->tx_stats.xmit_finished,
3026 tx_ring->tx_stats.xmit_called,
3027 tx_ring->tx_stats.xmit_on,
3028 tx_ring->tx_stats.xmit_off);
3029
3030 if (tx_ring->crb_intr_mask)
3031 netdev_info(netdev, "crb_intr_mask=%d\n",
3032 readl(tx_ring->crb_intr_mask));
3033
3034 netdev_info(netdev,
3035 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3036 readl(tx_ring->crb_cmd_producer),
3037 tx_ring->producer, tx_ring->sw_consumer,
3038 le32_to_cpu(*(tx_ring->hw_consumer)));
3039
3040 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3041 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3042
3043 if (netif_msg_tx_err(adapter->ahw))
3044 dump_tx_ring_desc(tx_ring);
3045 }
3046
3047 }
3048
3049 static void qlcnic_tx_timeout(struct net_device *netdev)
3050 {
3051 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3052
3053 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3054 return;
3055
3056 qlcnic_dump_rings(adapter);
3057
3058 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3059 netif_msg_tx_err(adapter->ahw)) {
3060 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3061 if (qlcnic_82xx_check(adapter))
3062 adapter->need_fw_reset = 1;
3063 else if (qlcnic_83xx_check(adapter))
3064 qlcnic_83xx_idc_request_reset(adapter,
3065 QLCNIC_FORCE_FW_DUMP_KEY);
3066 } else {
3067 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3068 adapter->ahw->reset_context = 1;
3069 }
3070 }
3071
3072 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3073 {
3074 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3075 struct net_device_stats *stats = &netdev->stats;
3076
3077 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3078 qlcnic_update_stats(adapter);
3079
3080 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3081 stats->tx_packets = adapter->stats.xmitfinished;
3082 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3083 stats->tx_bytes = adapter->stats.txbytes;
3084 stats->rx_dropped = adapter->stats.rxdropped;
3085 stats->tx_dropped = adapter->stats.txdropped;
3086
3087 return stats;
3088 }
3089
3090 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3091 {
3092 u32 status;
3093
3094 status = readl(adapter->isr_int_vec);
3095
3096 if (!(status & adapter->ahw->int_vec_bit))
3097 return IRQ_NONE;
3098
3099 /* check interrupt state machine, to be sure */
3100 status = readl(adapter->crb_int_state_reg);
3101 if (!ISR_LEGACY_INT_TRIGGERED(status))
3102 return IRQ_NONE;
3103
3104 writel(0xffffffff, adapter->tgt_status_reg);
3105 /* read twice to ensure write is flushed */
3106 readl(adapter->isr_int_vec);
3107 readl(adapter->isr_int_vec);
3108
3109 return IRQ_HANDLED;
3110 }
3111
3112 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3113 {
3114 struct qlcnic_host_sds_ring *sds_ring = data;
3115 struct qlcnic_adapter *adapter = sds_ring->adapter;
3116
3117 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3118 goto done;
3119 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3120 writel(0xffffffff, adapter->tgt_status_reg);
3121 goto done;
3122 }
3123
3124 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3125 return IRQ_NONE;
3126
3127 done:
3128 adapter->ahw->diag_cnt++;
3129 qlcnic_enable_sds_intr(adapter, sds_ring);
3130 return IRQ_HANDLED;
3131 }
3132
3133 static irqreturn_t qlcnic_intr(int irq, void *data)
3134 {
3135 struct qlcnic_host_sds_ring *sds_ring = data;
3136 struct qlcnic_adapter *adapter = sds_ring->adapter;
3137
3138 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3139 return IRQ_NONE;
3140
3141 napi_schedule(&sds_ring->napi);
3142
3143 return IRQ_HANDLED;
3144 }
3145
3146 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3147 {
3148 struct qlcnic_host_sds_ring *sds_ring = data;
3149 struct qlcnic_adapter *adapter = sds_ring->adapter;
3150
3151 /* clear interrupt */
3152 writel(0xffffffff, adapter->tgt_status_reg);
3153
3154 napi_schedule(&sds_ring->napi);
3155 return IRQ_HANDLED;
3156 }
3157
3158 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3159 {
3160 struct qlcnic_host_sds_ring *sds_ring = data;
3161
3162 napi_schedule(&sds_ring->napi);
3163 return IRQ_HANDLED;
3164 }
3165
3166 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3167 {
3168 struct qlcnic_host_tx_ring *tx_ring = data;
3169
3170 napi_schedule(&tx_ring->napi);
3171 return IRQ_HANDLED;
3172 }
3173
3174 #ifdef CONFIG_NET_POLL_CONTROLLER
3175 static void qlcnic_poll_controller(struct net_device *netdev)
3176 {
3177 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3178 struct qlcnic_host_sds_ring *sds_ring;
3179 struct qlcnic_recv_context *recv_ctx;
3180 struct qlcnic_host_tx_ring *tx_ring;
3181 int ring;
3182
3183 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3184 return;
3185
3186 recv_ctx = adapter->recv_ctx;
3187
3188 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3189 sds_ring = &recv_ctx->sds_rings[ring];
3190 qlcnic_disable_sds_intr(adapter, sds_ring);
3191 napi_schedule(&sds_ring->napi);
3192 }
3193
3194 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3195 /* Only Multi-Tx queue capable devices need to
3196 * schedule NAPI for TX rings
3197 */
3198 if ((qlcnic_83xx_check(adapter) &&
3199 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3200 (qlcnic_82xx_check(adapter) &&
3201 !qlcnic_check_multi_tx(adapter)))
3202 return;
3203
3204 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3205 tx_ring = &adapter->tx_ring[ring];
3206 qlcnic_disable_tx_intr(adapter, tx_ring);
3207 napi_schedule(&tx_ring->napi);
3208 }
3209 }
3210 }
3211 #endif
3212
3213 static void
3214 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3215 {
3216 u32 val;
3217
3218 val = adapter->portnum & 0xf;
3219 val |= encoding << 7;
3220 val |= (jiffies - adapter->dev_rst_time) << 8;
3221
3222 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3223 adapter->dev_rst_time = jiffies;
3224 }
3225
3226 static int
3227 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3228 {
3229 u32 val;
3230
3231 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3232 state != QLCNIC_DEV_NEED_QUISCENT);
3233
3234 if (qlcnic_api_lock(adapter))
3235 return -EIO;
3236
3237 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3238
3239 if (state == QLCNIC_DEV_NEED_RESET)
3240 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3241 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3242 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3243
3244 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3245
3246 qlcnic_api_unlock(adapter);
3247
3248 return 0;
3249 }
3250
3251 static int
3252 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3253 {
3254 u32 val;
3255
3256 if (qlcnic_api_lock(adapter))
3257 return -EBUSY;
3258
3259 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3260 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3261 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3262
3263 qlcnic_api_unlock(adapter);
3264
3265 return 0;
3266 }
3267
3268 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3269 {
3270 u32 val;
3271
3272 if (qlcnic_api_lock(adapter))
3273 goto err;
3274
3275 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3276 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3277 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3278
3279 if (failed) {
3280 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3281 QLCNIC_DEV_FAILED);
3282 dev_info(&adapter->pdev->dev,
3283 "Device state set to Failed. Please Reboot\n");
3284 } else if (!(val & 0x11111111))
3285 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3286 QLCNIC_DEV_COLD);
3287
3288 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3289 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3291
3292 qlcnic_api_unlock(adapter);
3293 err:
3294 adapter->fw_fail_cnt = 0;
3295 adapter->flags &= ~QLCNIC_FW_HANG;
3296 clear_bit(__QLCNIC_START_FW, &adapter->state);
3297 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3298 }
3299
3300 /* Grab api lock, before checking state */
3301 static int
3302 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3303 {
3304 int act, state, active_mask;
3305 struct qlcnic_hardware_context *ahw = adapter->ahw;
3306
3307 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3308 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3309
3310 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3311 active_mask = (~(1 << (ahw->pci_func * 4)));
3312 act = act & active_mask;
3313 }
3314
3315 if (((state & 0x11111111) == (act & 0x11111111)) ||
3316 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3317 return 0;
3318 else
3319 return 1;
3320 }
3321
3322 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3323 {
3324 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3325
3326 if (val != QLCNIC_DRV_IDC_VER) {
3327 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3328 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3329 }
3330
3331 return 0;
3332 }
3333
3334 static int
3335 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3336 {
3337 u32 val, prev_state;
3338 u8 dev_init_timeo = adapter->dev_init_timeo;
3339 u8 portnum = adapter->portnum;
3340 u8 ret;
3341
3342 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3343 return 1;
3344
3345 if (qlcnic_api_lock(adapter))
3346 return -1;
3347
3348 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3349 if (!(val & (1 << (portnum * 4)))) {
3350 QLC_DEV_SET_REF_CNT(val, portnum);
3351 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3352 }
3353
3354 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3355 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3356
3357 switch (prev_state) {
3358 case QLCNIC_DEV_COLD:
3359 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3360 QLCNIC_DEV_INITIALIZING);
3361 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3362 QLCNIC_DRV_IDC_VER);
3363 qlcnic_idc_debug_info(adapter, 0);
3364 qlcnic_api_unlock(adapter);
3365 return 1;
3366
3367 case QLCNIC_DEV_READY:
3368 ret = qlcnic_check_idc_ver(adapter);
3369 qlcnic_api_unlock(adapter);
3370 return ret;
3371
3372 case QLCNIC_DEV_NEED_RESET:
3373 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3374 QLC_DEV_SET_RST_RDY(val, portnum);
3375 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3376 break;
3377
3378 case QLCNIC_DEV_NEED_QUISCENT:
3379 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3380 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3381 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3382 break;
3383
3384 case QLCNIC_DEV_FAILED:
3385 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3386 qlcnic_api_unlock(adapter);
3387 return -1;
3388
3389 case QLCNIC_DEV_INITIALIZING:
3390 case QLCNIC_DEV_QUISCENT:
3391 break;
3392 }
3393
3394 qlcnic_api_unlock(adapter);
3395
3396 do {
3397 msleep(1000);
3398 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3399
3400 if (prev_state == QLCNIC_DEV_QUISCENT)
3401 continue;
3402 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3403
3404 if (!dev_init_timeo) {
3405 dev_err(&adapter->pdev->dev,
3406 "Waiting for device to initialize timeout\n");
3407 return -1;
3408 }
3409
3410 if (qlcnic_api_lock(adapter))
3411 return -1;
3412
3413 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3414 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3415 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3416
3417 ret = qlcnic_check_idc_ver(adapter);
3418 qlcnic_api_unlock(adapter);
3419
3420 return ret;
3421 }
3422
3423 static void
3424 qlcnic_fwinit_work(struct work_struct *work)
3425 {
3426 struct qlcnic_adapter *adapter = container_of(work,
3427 struct qlcnic_adapter, fw_work.work);
3428 u32 dev_state = 0xf;
3429 u32 val;
3430
3431 if (qlcnic_api_lock(adapter))
3432 goto err_ret;
3433
3434 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3435 if (dev_state == QLCNIC_DEV_QUISCENT ||
3436 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3437 qlcnic_api_unlock(adapter);
3438 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3439 FW_POLL_DELAY * 2);
3440 return;
3441 }
3442
3443 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3444 qlcnic_api_unlock(adapter);
3445 goto wait_npar;
3446 }
3447
3448 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3449 dev_state == QLCNIC_DEV_READY) {
3450 dev_info(&adapter->pdev->dev, "Detected state change from "
3451 "DEV_NEED_RESET, skipping ack check\n");
3452 goto skip_ack_check;
3453 }
3454
3455 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3456 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3457 adapter->reset_ack_timeo);
3458 goto skip_ack_check;
3459 }
3460
3461 if (!qlcnic_check_drv_state(adapter)) {
3462 skip_ack_check:
3463 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3464
3465 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3466 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3467 QLCNIC_DEV_INITIALIZING);
3468 set_bit(__QLCNIC_START_FW, &adapter->state);
3469 QLCDB(adapter, DRV, "Restarting fw\n");
3470 qlcnic_idc_debug_info(adapter, 0);
3471 val = QLC_SHARED_REG_RD32(adapter,
3472 QLCNIC_CRB_DRV_STATE);
3473 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3474 QLC_SHARED_REG_WR32(adapter,
3475 QLCNIC_CRB_DRV_STATE, val);
3476 }
3477
3478 qlcnic_api_unlock(adapter);
3479
3480 rtnl_lock();
3481 if (qlcnic_check_fw_dump_state(adapter) &&
3482 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3483 QLCDB(adapter, DRV, "Take FW dump\n");
3484 qlcnic_dump_fw(adapter);
3485 adapter->flags |= QLCNIC_FW_HANG;
3486 }
3487 rtnl_unlock();
3488
3489 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3490 if (!adapter->nic_ops->start_firmware(adapter)) {
3491 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3492 adapter->fw_wait_cnt = 0;
3493 return;
3494 }
3495 goto err_ret;
3496 }
3497
3498 qlcnic_api_unlock(adapter);
3499
3500 wait_npar:
3501 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3502 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3503
3504 switch (dev_state) {
3505 case QLCNIC_DEV_READY:
3506 if (!qlcnic_start_firmware(adapter)) {
3507 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3508 adapter->fw_wait_cnt = 0;
3509 return;
3510 }
3511 case QLCNIC_DEV_FAILED:
3512 break;
3513 default:
3514 qlcnic_schedule_work(adapter,
3515 qlcnic_fwinit_work, FW_POLL_DELAY);
3516 return;
3517 }
3518
3519 err_ret:
3520 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3521 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3522 netif_device_attach(adapter->netdev);
3523 qlcnic_clr_all_drv_state(adapter, 0);
3524 }
3525
3526 static void
3527 qlcnic_detach_work(struct work_struct *work)
3528 {
3529 struct qlcnic_adapter *adapter = container_of(work,
3530 struct qlcnic_adapter, fw_work.work);
3531 struct net_device *netdev = adapter->netdev;
3532 u32 status;
3533
3534 netif_device_detach(netdev);
3535
3536 /* Dont grab rtnl lock during Quiscent mode */
3537 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3538 if (netif_running(netdev))
3539 __qlcnic_down(adapter, netdev);
3540 } else
3541 qlcnic_down(adapter, netdev);
3542
3543 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3544
3545 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3546 dev_err(&adapter->pdev->dev,
3547 "Detaching the device: peg halt status1=0x%x\n",
3548 status);
3549
3550 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3551 dev_err(&adapter->pdev->dev,
3552 "On board active cooling fan failed. "
3553 "Device has been halted.\n");
3554 dev_err(&adapter->pdev->dev,
3555 "Replace the adapter.\n");
3556 }
3557
3558 goto err_ret;
3559 }
3560
3561 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3562 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3563 adapter->ahw->temp);
3564 goto err_ret;
3565 }
3566
3567 /* Dont ack if this instance is the reset owner */
3568 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3569 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3570 dev_err(&adapter->pdev->dev,
3571 "Failed to set driver state,"
3572 "detaching the device.\n");
3573 goto err_ret;
3574 }
3575 }
3576
3577 adapter->fw_wait_cnt = 0;
3578
3579 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3580
3581 return;
3582
3583 err_ret:
3584 netif_device_attach(netdev);
3585 qlcnic_clr_all_drv_state(adapter, 1);
3586 }
3587
3588 /*Transit NPAR state to NON Operational */
3589 static void
3590 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3591 {
3592 u32 state;
3593
3594 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3595 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3596 return;
3597
3598 if (qlcnic_api_lock(adapter))
3599 return;
3600 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3601 QLCNIC_DEV_NPAR_NON_OPER);
3602 qlcnic_api_unlock(adapter);
3603 }
3604
3605 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3606 u32 key)
3607 {
3608 u32 state, xg_val = 0, gb_val = 0;
3609
3610 qlcnic_xg_set_xg0_mask(xg_val);
3611 qlcnic_xg_set_xg1_mask(xg_val);
3612 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3613 qlcnic_gb_set_gb0_mask(gb_val);
3614 qlcnic_gb_set_gb1_mask(gb_val);
3615 qlcnic_gb_set_gb2_mask(gb_val);
3616 qlcnic_gb_set_gb3_mask(gb_val);
3617 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3618 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3619 " on all ports\n");
3620 adapter->need_fw_reset = 1;
3621
3622 if (qlcnic_api_lock(adapter))
3623 return;
3624
3625 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3626
3627 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3628 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3629 __func__);
3630 qlcnic_api_unlock(adapter);
3631
3632 return;
3633 }
3634
3635 if (state == QLCNIC_DEV_READY) {
3636 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3637 QLCNIC_DEV_NEED_RESET);
3638 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3639 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3640 qlcnic_idc_debug_info(adapter, 0);
3641 }
3642
3643 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3644 QLCNIC_DEV_NPAR_NON_OPER);
3645 qlcnic_api_unlock(adapter);
3646 }
3647
3648 /* Transit to NPAR READY state from NPAR NOT READY state */
3649 static void
3650 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3651 {
3652 if (qlcnic_api_lock(adapter))
3653 return;
3654
3655 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3656 QLCNIC_DEV_NPAR_OPER);
3657 QLCDB(adapter, DRV, "NPAR operational state set\n");
3658
3659 qlcnic_api_unlock(adapter);
3660 }
3661
3662 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3663 work_func_t func, int delay)
3664 {
3665 if (test_bit(__QLCNIC_AER, &adapter->state))
3666 return;
3667
3668 INIT_DELAYED_WORK(&adapter->fw_work, func);
3669 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3670 round_jiffies_relative(delay));
3671 }
3672
3673 static void
3674 qlcnic_attach_work(struct work_struct *work)
3675 {
3676 struct qlcnic_adapter *adapter = container_of(work,
3677 struct qlcnic_adapter, fw_work.work);
3678 struct net_device *netdev = adapter->netdev;
3679 u32 npar_state;
3680
3681 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3682 npar_state = QLC_SHARED_REG_RD32(adapter,
3683 QLCNIC_CRB_DEV_NPAR_STATE);
3684 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3685 qlcnic_clr_all_drv_state(adapter, 0);
3686 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3687 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3688 FW_POLL_DELAY);
3689 else
3690 goto attach;
3691 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3692 return;
3693 }
3694 attach:
3695 qlcnic_dcb_get_info(adapter->dcb);
3696
3697 if (netif_running(netdev)) {
3698 if (qlcnic_up(adapter, netdev))
3699 goto done;
3700
3701 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3702 }
3703
3704 done:
3705 netif_device_attach(netdev);
3706 adapter->fw_fail_cnt = 0;
3707 adapter->flags &= ~QLCNIC_FW_HANG;
3708 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3709 if (adapter->portnum == 0)
3710 qlcnic_set_drv_version(adapter);
3711
3712 if (!qlcnic_clr_drv_state(adapter))
3713 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3714 FW_POLL_DELAY);
3715 }
3716
3717 static int
3718 qlcnic_check_health(struct qlcnic_adapter *adapter)
3719 {
3720 struct qlcnic_hardware_context *ahw = adapter->ahw;
3721 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3722 u32 state = 0, heartbeat;
3723 u32 peg_status;
3724 int err = 0;
3725
3726 if (qlcnic_check_temp(adapter))
3727 goto detach;
3728
3729 if (adapter->need_fw_reset)
3730 qlcnic_dev_request_reset(adapter, 0);
3731
3732 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3733 if (state == QLCNIC_DEV_NEED_RESET) {
3734 qlcnic_set_npar_non_operational(adapter);
3735 adapter->need_fw_reset = 1;
3736 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3737 goto detach;
3738
3739 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3740 if (heartbeat != adapter->heartbeat) {
3741 adapter->heartbeat = heartbeat;
3742 adapter->fw_fail_cnt = 0;
3743 if (adapter->need_fw_reset)
3744 goto detach;
3745
3746 if (ahw->reset_context && qlcnic_auto_fw_reset)
3747 qlcnic_reset_hw_context(adapter);
3748
3749 return 0;
3750 }
3751
3752 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3753 return 0;
3754
3755 adapter->flags |= QLCNIC_FW_HANG;
3756
3757 qlcnic_dev_request_reset(adapter, 0);
3758
3759 if (qlcnic_auto_fw_reset)
3760 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3761
3762 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3763 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3764 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3765 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3766 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3767 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3768 "PEG_NET_4_PC: 0x%x\n",
3769 peg_status,
3770 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3771 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3772 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3773 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3774 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3775 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3776 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3777 dev_err(&adapter->pdev->dev,
3778 "Firmware aborted with error code 0x00006700. "
3779 "Device is being reset.\n");
3780 detach:
3781 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3782 QLCNIC_DEV_NEED_RESET;
3783
3784 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3785 &adapter->state)) {
3786
3787 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3788 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3789 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3790 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3791 qlcnic_dump_fw(adapter);
3792 }
3793
3794 return 1;
3795 }
3796
3797 void qlcnic_fw_poll_work(struct work_struct *work)
3798 {
3799 struct qlcnic_adapter *adapter = container_of(work,
3800 struct qlcnic_adapter, fw_work.work);
3801
3802 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3803 goto reschedule;
3804
3805
3806 if (qlcnic_check_health(adapter))
3807 return;
3808
3809 if (adapter->fhash.fnum)
3810 qlcnic_prune_lb_filters(adapter);
3811
3812 reschedule:
3813 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3814 }
3815
3816 static int qlcnic_is_first_func(struct pci_dev *pdev)
3817 {
3818 struct pci_dev *oth_pdev;
3819 int val = pdev->devfn;
3820
3821 while (val-- > 0) {
3822 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3823 (pdev->bus), pdev->bus->number,
3824 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3825 if (!oth_pdev)
3826 continue;
3827
3828 if (oth_pdev->current_state != PCI_D3cold) {
3829 pci_dev_put(oth_pdev);
3830 return 0;
3831 }
3832 pci_dev_put(oth_pdev);
3833 }
3834 return 1;
3835 }
3836
3837 static int qlcnic_attach_func(struct pci_dev *pdev)
3838 {
3839 int err, first_func;
3840 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3841 struct net_device *netdev = adapter->netdev;
3842
3843 pdev->error_state = pci_channel_io_normal;
3844
3845 err = pci_enable_device(pdev);
3846 if (err)
3847 return err;
3848
3849 pci_set_master(pdev);
3850 pci_restore_state(pdev);
3851
3852 first_func = qlcnic_is_first_func(pdev);
3853
3854 if (qlcnic_api_lock(adapter))
3855 return -EINVAL;
3856
3857 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3858 adapter->need_fw_reset = 1;
3859 set_bit(__QLCNIC_START_FW, &adapter->state);
3860 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3861 QLCNIC_DEV_INITIALIZING);
3862 QLCDB(adapter, DRV, "Restarting fw\n");
3863 }
3864 qlcnic_api_unlock(adapter);
3865
3866 err = qlcnic_start_firmware(adapter);
3867 if (err)
3868 return err;
3869
3870 qlcnic_clr_drv_state(adapter);
3871 kfree(adapter->msix_entries);
3872 adapter->msix_entries = NULL;
3873 err = qlcnic_setup_intr(adapter);
3874
3875 if (err) {
3876 kfree(adapter->msix_entries);
3877 netdev_err(netdev, "failed to setup interrupt\n");
3878 return err;
3879 }
3880
3881 if (netif_running(netdev)) {
3882 err = qlcnic_attach(adapter);
3883 if (err) {
3884 qlcnic_clr_all_drv_state(adapter, 1);
3885 clear_bit(__QLCNIC_AER, &adapter->state);
3886 netif_device_attach(netdev);
3887 return err;
3888 }
3889
3890 err = qlcnic_up(adapter, netdev);
3891 if (err)
3892 goto done;
3893
3894 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3895 }
3896 done:
3897 netif_device_attach(netdev);
3898 return err;
3899 }
3900
3901 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3902 pci_channel_state_t state)
3903 {
3904 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3905 struct net_device *netdev = adapter->netdev;
3906
3907 if (state == pci_channel_io_perm_failure)
3908 return PCI_ERS_RESULT_DISCONNECT;
3909
3910 if (state == pci_channel_io_normal)
3911 return PCI_ERS_RESULT_RECOVERED;
3912
3913 set_bit(__QLCNIC_AER, &adapter->state);
3914 netif_device_detach(netdev);
3915
3916 cancel_delayed_work_sync(&adapter->fw_work);
3917
3918 if (netif_running(netdev))
3919 qlcnic_down(adapter, netdev);
3920
3921 qlcnic_detach(adapter);
3922 qlcnic_teardown_intr(adapter);
3923
3924 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3925
3926 pci_save_state(pdev);
3927 pci_disable_device(pdev);
3928
3929 return PCI_ERS_RESULT_NEED_RESET;
3930 }
3931
3932 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3933 {
3934 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3935 PCI_ERS_RESULT_RECOVERED;
3936 }
3937
3938 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3939 {
3940 u32 state;
3941 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3942
3943 pci_cleanup_aer_uncorrect_error_status(pdev);
3944 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3945 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3946 &adapter->state))
3947 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3948 FW_POLL_DELAY);
3949 }
3950
3951 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3952 pci_channel_state_t state)
3953 {
3954 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3955 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3956
3957 if (hw_ops->io_error_detected) {
3958 return hw_ops->io_error_detected(pdev, state);
3959 } else {
3960 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3961 return PCI_ERS_RESULT_DISCONNECT;
3962 }
3963 }
3964
3965 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3966 {
3967 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3968 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3969
3970 if (hw_ops->io_slot_reset) {
3971 return hw_ops->io_slot_reset(pdev);
3972 } else {
3973 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3974 return PCI_ERS_RESULT_DISCONNECT;
3975 }
3976 }
3977
3978 static void qlcnic_io_resume(struct pci_dev *pdev)
3979 {
3980 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3981 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3982
3983 if (hw_ops->io_resume)
3984 hw_ops->io_resume(pdev);
3985 else
3986 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3987 }
3988
3989
3990 static int
3991 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3992 {
3993 int err;
3994
3995 err = qlcnic_can_start_firmware(adapter);
3996 if (err)
3997 return err;
3998
3999 err = qlcnic_check_npar_opertional(adapter);
4000 if (err)
4001 return err;
4002
4003 err = qlcnic_initialize_nic(adapter);
4004 if (err)
4005 return err;
4006
4007 qlcnic_check_options(adapter);
4008
4009 err = qlcnic_set_eswitch_port_config(adapter);
4010 if (err)
4011 return err;
4012
4013 adapter->need_fw_reset = 0;
4014
4015 return err;
4016 }
4017
4018 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4019 int queue_type)
4020 {
4021 struct net_device *netdev = adapter->netdev;
4022 u8 max_hw_rings = 0;
4023 char buf[8];
4024 int cur_rings;
4025
4026 if (queue_type == QLCNIC_RX_QUEUE) {
4027 max_hw_rings = adapter->max_sds_rings;
4028 cur_rings = adapter->drv_sds_rings;
4029 strcpy(buf, "SDS");
4030 } else if (queue_type == QLCNIC_TX_QUEUE) {
4031 max_hw_rings = adapter->max_tx_rings;
4032 cur_rings = adapter->drv_tx_rings;
4033 strcpy(buf, "Tx");
4034 }
4035
4036 if (!is_power_of_2(ring_cnt)) {
4037 netdev_err(netdev, "%s rings value should be a power of 2\n",
4038 buf);
4039 return -EINVAL;
4040 }
4041
4042 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4043 !qlcnic_check_multi_tx(adapter)) {
4044 netdev_err(netdev, "No Multi Tx queue support\n");
4045 return -EINVAL;
4046 }
4047
4048 if (ring_cnt > num_online_cpus()) {
4049 netdev_err(netdev,
4050 "%s value[%u] should not be higher than, number of online CPUs\n",
4051 buf, num_online_cpus());
4052 return -EINVAL;
4053 }
4054
4055 return 0;
4056 }
4057
4058 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4059 {
4060 struct net_device *netdev = adapter->netdev;
4061 u8 tx_rings, rx_rings;
4062 int err;
4063
4064 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4065 return -EBUSY;
4066
4067 tx_rings = adapter->drv_tss_rings;
4068 rx_rings = adapter->drv_rss_rings;
4069
4070 netif_device_detach(netdev);
4071
4072 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4073 if (err)
4074 goto done;
4075
4076 if (netif_running(netdev))
4077 __qlcnic_down(adapter, netdev);
4078
4079 qlcnic_detach(adapter);
4080
4081 if (qlcnic_83xx_check(adapter)) {
4082 qlcnic_83xx_free_mbx_intr(adapter);
4083 qlcnic_83xx_enable_mbx_poll(adapter);
4084 }
4085
4086 qlcnic_teardown_intr(adapter);
4087
4088 err = qlcnic_setup_intr(adapter);
4089 if (err) {
4090 kfree(adapter->msix_entries);
4091 netdev_err(netdev, "failed to setup interrupt\n");
4092 return err;
4093 }
4094
4095 /* Check if we need to update real_num_{tx|rx}_queues because
4096 * qlcnic_setup_intr() may change Tx/Rx rings size
4097 */
4098 if ((tx_rings != adapter->drv_tx_rings) ||
4099 (rx_rings != adapter->drv_sds_rings)) {
4100 err = qlcnic_set_real_num_queues(adapter,
4101 adapter->drv_tx_rings,
4102 adapter->drv_sds_rings);
4103 if (err)
4104 goto done;
4105 }
4106
4107 if (qlcnic_83xx_check(adapter)) {
4108 qlcnic_83xx_initialize_nic(adapter, 1);
4109 err = qlcnic_83xx_setup_mbx_intr(adapter);
4110 qlcnic_83xx_disable_mbx_poll(adapter);
4111 if (err) {
4112 dev_err(&adapter->pdev->dev,
4113 "failed to setup mbx interrupt\n");
4114 goto done;
4115 }
4116 }
4117
4118 if (netif_running(netdev)) {
4119 err = qlcnic_attach(adapter);
4120 if (err)
4121 goto done;
4122 err = __qlcnic_up(adapter, netdev);
4123 if (err)
4124 goto done;
4125 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4126 }
4127 done:
4128 netif_device_attach(netdev);
4129 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4130 return err;
4131 }
4132
4133 #ifdef CONFIG_INET
4134
4135 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4136
4137 static void
4138 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4139 struct net_device *dev, unsigned long event)
4140 {
4141 struct in_device *indev;
4142
4143 indev = in_dev_get(dev);
4144 if (!indev)
4145 return;
4146
4147 for_ifa(indev) {
4148 switch (event) {
4149 case NETDEV_UP:
4150 qlcnic_config_ipaddr(adapter,
4151 ifa->ifa_address, QLCNIC_IP_UP);
4152 break;
4153 case NETDEV_DOWN:
4154 qlcnic_config_ipaddr(adapter,
4155 ifa->ifa_address, QLCNIC_IP_DOWN);
4156 break;
4157 default:
4158 break;
4159 }
4160 } endfor_ifa(indev);
4161
4162 in_dev_put(indev);
4163 }
4164
4165 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4166 {
4167 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4168 struct net_device *dev;
4169 u16 vid;
4170
4171 qlcnic_config_indev_addr(adapter, netdev, event);
4172
4173 rcu_read_lock();
4174 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4175 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4176 if (!dev)
4177 continue;
4178 qlcnic_config_indev_addr(adapter, dev, event);
4179 }
4180 rcu_read_unlock();
4181 }
4182
4183 static int qlcnic_netdev_event(struct notifier_block *this,
4184 unsigned long event, void *ptr)
4185 {
4186 struct qlcnic_adapter *adapter;
4187 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4188
4189 recheck:
4190 if (dev == NULL)
4191 goto done;
4192
4193 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4194 dev = vlan_dev_real_dev(dev);
4195 goto recheck;
4196 }
4197
4198 if (!is_qlcnic_netdev(dev))
4199 goto done;
4200
4201 adapter = netdev_priv(dev);
4202
4203 if (!adapter)
4204 goto done;
4205
4206 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4207 goto done;
4208
4209 qlcnic_config_indev_addr(adapter, dev, event);
4210 done:
4211 return NOTIFY_DONE;
4212 }
4213
4214 static int
4215 qlcnic_inetaddr_event(struct notifier_block *this,
4216 unsigned long event, void *ptr)
4217 {
4218 struct qlcnic_adapter *adapter;
4219 struct net_device *dev;
4220
4221 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4222
4223 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4224
4225 recheck:
4226 if (dev == NULL)
4227 goto done;
4228
4229 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4230 dev = vlan_dev_real_dev(dev);
4231 goto recheck;
4232 }
4233
4234 if (!is_qlcnic_netdev(dev))
4235 goto done;
4236
4237 adapter = netdev_priv(dev);
4238
4239 if (!adapter)
4240 goto done;
4241
4242 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4243 goto done;
4244
4245 switch (event) {
4246 case NETDEV_UP:
4247 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4248
4249 break;
4250 case NETDEV_DOWN:
4251 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4252
4253 break;
4254 default:
4255 break;
4256 }
4257
4258 done:
4259 return NOTIFY_DONE;
4260 }
4261
4262 static struct notifier_block qlcnic_netdev_cb = {
4263 .notifier_call = qlcnic_netdev_event,
4264 };
4265
4266 static struct notifier_block qlcnic_inetaddr_cb = {
4267 .notifier_call = qlcnic_inetaddr_event,
4268 };
4269 #else
4270 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4271 { }
4272 #endif
4273 static const struct pci_error_handlers qlcnic_err_handler = {
4274 .error_detected = qlcnic_io_error_detected,
4275 .slot_reset = qlcnic_io_slot_reset,
4276 .resume = qlcnic_io_resume,
4277 };
4278
4279 static struct pci_driver qlcnic_driver = {
4280 .name = qlcnic_driver_name,
4281 .id_table = qlcnic_pci_tbl,
4282 .probe = qlcnic_probe,
4283 .remove = qlcnic_remove,
4284 #ifdef CONFIG_PM
4285 .suspend = qlcnic_suspend,
4286 .resume = qlcnic_resume,
4287 #endif
4288 .shutdown = qlcnic_shutdown,
4289 .err_handler = &qlcnic_err_handler,
4290 #ifdef CONFIG_QLCNIC_SRIOV
4291 .sriov_configure = qlcnic_pci_sriov_configure,
4292 #endif
4293
4294 };
4295
4296 static int __init qlcnic_init_module(void)
4297 {
4298 int ret;
4299
4300 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4301
4302 #ifdef CONFIG_INET
4303 register_netdevice_notifier(&qlcnic_netdev_cb);
4304 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4305 #endif
4306
4307 ret = pci_register_driver(&qlcnic_driver);
4308 if (ret) {
4309 #ifdef CONFIG_INET
4310 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4311 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4312 #endif
4313 }
4314
4315 return ret;
4316 }
4317
4318 module_init(qlcnic_init_module);
4319
4320 static void __exit qlcnic_exit_module(void)
4321 {
4322 pci_unregister_driver(&qlcnic_driver);
4323
4324 #ifdef CONFIG_INET
4325 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4326 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4327 #endif
4328 }
4329
4330 module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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