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ARM: dts: Explicitly set dr_mode on exynos5250-snow
[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, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
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 const struct pci_device_id qlcnic_pci_tbl[] = {
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
117 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
118 {0,}
119 };
120
121 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
122
123
124 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
125 {
126 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
127 }
128
129 static const u32 msi_tgt_status[8] = {
130 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
131 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
132 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
133 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
134 };
135
136 static const u32 qlcnic_reg_tbl[] = {
137 0x1B20A8, /* PEG_HALT_STAT1 */
138 0x1B20AC, /* PEG_HALT_STAT2 */
139 0x1B20B0, /* FW_HEARTBEAT */
140 0x1B2100, /* LOCK ID */
141 0x1B2128, /* FW_CAPABILITIES */
142 0x1B2138, /* drv active */
143 0x1B2140, /* dev state */
144 0x1B2144, /* drv state */
145 0x1B2148, /* drv scratch */
146 0x1B214C, /* dev partition info */
147 0x1B2174, /* drv idc ver */
148 0x1B2150, /* fw version major */
149 0x1B2154, /* fw version minor */
150 0x1B2158, /* fw version sub */
151 0x1B219C, /* npar state */
152 0x1B21FC, /* FW_IMG_VALID */
153 0x1B2250, /* CMD_PEG_STATE */
154 0x1B233C, /* RCV_PEG_STATE */
155 0x1B23B4, /* ASIC TEMP */
156 0x1B216C, /* FW api */
157 0x1B2170, /* drv op mode */
158 0x13C010, /* flash lock */
159 0x13C014, /* flash unlock */
160 };
161
162 static const struct qlcnic_board_info qlcnic_boards[] = {
163 { PCI_VENDOR_ID_QLOGIC,
164 PCI_DEVICE_ID_QLOGIC_QLE844X,
165 0x0,
166 0x0,
167 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
168 { PCI_VENDOR_ID_QLOGIC,
169 PCI_DEVICE_ID_QLOGIC_QLE834X,
170 PCI_VENDOR_ID_QLOGIC,
171 0x24e,
172 "8300 Series Dual Port 10GbE Converged Network Adapter "
173 "(TCP/IP Networking)" },
174 { PCI_VENDOR_ID_QLOGIC,
175 PCI_DEVICE_ID_QLOGIC_QLE834X,
176 PCI_VENDOR_ID_QLOGIC,
177 0x243,
178 "8300 Series Single Port 10GbE Converged Network Adapter "
179 "(TCP/IP Networking)" },
180 { PCI_VENDOR_ID_QLOGIC,
181 PCI_DEVICE_ID_QLOGIC_QLE834X,
182 PCI_VENDOR_ID_QLOGIC,
183 0x24a,
184 "8300 Series Dual Port 10GbE Converged Network Adapter "
185 "(TCP/IP Networking)" },
186 { PCI_VENDOR_ID_QLOGIC,
187 PCI_DEVICE_ID_QLOGIC_QLE834X,
188 PCI_VENDOR_ID_QLOGIC,
189 0x246,
190 "8300 Series Dual Port 10GbE Converged Network Adapter "
191 "(TCP/IP Networking)" },
192 { PCI_VENDOR_ID_QLOGIC,
193 PCI_DEVICE_ID_QLOGIC_QLE834X,
194 PCI_VENDOR_ID_QLOGIC,
195 0x252,
196 "8300 Series Dual Port 10GbE Converged Network Adapter "
197 "(TCP/IP Networking)" },
198 { PCI_VENDOR_ID_QLOGIC,
199 PCI_DEVICE_ID_QLOGIC_QLE834X,
200 PCI_VENDOR_ID_QLOGIC,
201 0x26e,
202 "8300 Series Dual Port 10GbE Converged Network Adapter "
203 "(TCP/IP Networking)" },
204 { PCI_VENDOR_ID_QLOGIC,
205 PCI_DEVICE_ID_QLOGIC_QLE834X,
206 PCI_VENDOR_ID_QLOGIC,
207 0x260,
208 "8300 Series Dual Port 10GbE Converged Network Adapter "
209 "(TCP/IP Networking)" },
210 { PCI_VENDOR_ID_QLOGIC,
211 PCI_DEVICE_ID_QLOGIC_QLE834X,
212 PCI_VENDOR_ID_QLOGIC,
213 0x266,
214 "8300 Series Single Port 10GbE Converged Network Adapter "
215 "(TCP/IP Networking)" },
216 { PCI_VENDOR_ID_QLOGIC,
217 PCI_DEVICE_ID_QLOGIC_QLE834X,
218 PCI_VENDOR_ID_QLOGIC,
219 0x269,
220 "8300 Series Dual Port 10GbE Converged Network Adapter "
221 "(TCP/IP Networking)" },
222 { PCI_VENDOR_ID_QLOGIC,
223 PCI_DEVICE_ID_QLOGIC_QLE834X,
224 PCI_VENDOR_ID_QLOGIC,
225 0x271,
226 "8300 Series Dual Port 10GbE Converged Network Adapter "
227 "(TCP/IP Networking)" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE834X,
230 0x0, 0x0, "8300 Series 1/10GbE Controller" },
231 { PCI_VENDOR_ID_QLOGIC,
232 PCI_DEVICE_ID_QLOGIC_QLE8830,
233 0x0,
234 0x0,
235 "8830 Series 1/10GbE Controller" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
239 0x203,
240 "8200 Series Single Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
245 0x207,
246 "8200 Series Dual Port 10GbE Converged Network Adapter"
247 "(TCP/IP Networking)" },
248 { PCI_VENDOR_ID_QLOGIC,
249 PCI_DEVICE_ID_QLOGIC_QLE824X,
250 PCI_VENDOR_ID_QLOGIC,
251 0x20b,
252 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
256 0x20c,
257 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 PCI_VENDOR_ID_QLOGIC,
261 0x20f,
262 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
263 { PCI_VENDOR_ID_QLOGIC,
264 PCI_DEVICE_ID_QLOGIC_QLE824X,
265 0x103c, 0x3733,
266 "NC523SFP 10Gb 2-port Server Adapter" },
267 { PCI_VENDOR_ID_QLOGIC,
268 PCI_DEVICE_ID_QLOGIC_QLE824X,
269 0x103c, 0x3346,
270 "CN1000Q Dual Port Converged Network Adapter" },
271 { PCI_VENDOR_ID_QLOGIC,
272 PCI_DEVICE_ID_QLOGIC_QLE824X,
273 PCI_VENDOR_ID_QLOGIC,
274 0x210,
275 "QME8242-k 10GbE Dual Port Mezzanine Card" },
276 { PCI_VENDOR_ID_QLOGIC,
277 PCI_DEVICE_ID_QLOGIC_QLE824X,
278 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
279 };
280
281 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
282
283 static const
284 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
285
286 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
287 {
288 int size = sizeof(struct qlcnic_host_sds_ring) * count;
289
290 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
291
292 return recv_ctx->sds_rings == NULL;
293 }
294
295 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
296 {
297 if (recv_ctx->sds_rings != NULL)
298 kfree(recv_ctx->sds_rings);
299
300 recv_ctx->sds_rings = NULL;
301 }
302
303 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
304 {
305 struct net_device *netdev = adapter->netdev;
306 struct pci_dev *pdev = adapter->pdev;
307 u8 mac_addr[ETH_ALEN];
308 int ret;
309
310 ret = qlcnic_get_mac_address(adapter, mac_addr,
311 adapter->ahw->pci_func);
312 if (ret)
313 return ret;
314
315 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
316 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
317
318 /* set station address */
319
320 if (!is_valid_ether_addr(netdev->dev_addr))
321 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
322 netdev->dev_addr);
323
324 return 0;
325 }
326
327 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
328 {
329 struct qlcnic_mac_vlan_list *cur;
330 struct list_head *head;
331
332 list_for_each(head, &adapter->mac_list) {
333 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
334 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
335 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
336 0, QLCNIC_MAC_DEL);
337 list_del(&cur->list);
338 kfree(cur);
339 return;
340 }
341 }
342 }
343
344 static int qlcnic_set_mac(struct net_device *netdev, void *p)
345 {
346 struct qlcnic_adapter *adapter = netdev_priv(netdev);
347 struct sockaddr *addr = p;
348
349 if (qlcnic_sriov_vf_check(adapter))
350 return -EINVAL;
351
352 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
353 return -EOPNOTSUPP;
354
355 if (!is_valid_ether_addr(addr->sa_data))
356 return -EINVAL;
357
358 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
359 return 0;
360
361 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
362 netif_device_detach(netdev);
363 qlcnic_napi_disable(adapter);
364 }
365
366 qlcnic_delete_adapter_mac(adapter);
367 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
368 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
369 qlcnic_set_multi(adapter->netdev);
370
371 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
372 netif_device_attach(netdev);
373 qlcnic_napi_enable(adapter);
374 }
375 return 0;
376 }
377
378 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
379 struct net_device *netdev, const unsigned char *addr)
380 {
381 struct qlcnic_adapter *adapter = netdev_priv(netdev);
382 int err = -EOPNOTSUPP;
383
384 if (!adapter->fdb_mac_learn)
385 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
386
387 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
388 qlcnic_sriov_check(adapter)) {
389 if (is_unicast_ether_addr(addr)) {
390 err = dev_uc_del(netdev, addr);
391 if (!err)
392 err = qlcnic_nic_del_mac(adapter, addr);
393 } else if (is_multicast_ether_addr(addr)) {
394 err = dev_mc_del(netdev, addr);
395 } else {
396 err = -EINVAL;
397 }
398 }
399 return err;
400 }
401
402 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
403 struct net_device *netdev,
404 const unsigned char *addr, u16 flags)
405 {
406 struct qlcnic_adapter *adapter = netdev_priv(netdev);
407 int err = 0;
408
409 if (!adapter->fdb_mac_learn)
410 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
411
412 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
413 !qlcnic_sriov_check(adapter)) {
414 pr_info("%s: FDB e-switch is not enabled\n", __func__);
415 return -EOPNOTSUPP;
416 }
417
418 if (ether_addr_equal(addr, adapter->mac_addr))
419 return err;
420
421 if (is_unicast_ether_addr(addr)) {
422 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
423 err = dev_uc_add_excl(netdev, addr);
424 else
425 err = -ENOMEM;
426 } else if (is_multicast_ether_addr(addr)) {
427 err = dev_mc_add_excl(netdev, addr);
428 } else {
429 err = -EINVAL;
430 }
431
432 return err;
433 }
434
435 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
436 struct net_device *netdev,
437 struct net_device *filter_dev, int idx)
438 {
439 struct qlcnic_adapter *adapter = netdev_priv(netdev);
440
441 if (!adapter->fdb_mac_learn)
442 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
443
444 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
445 qlcnic_sriov_check(adapter))
446 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
447
448 return idx;
449 }
450
451 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
452 {
453 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
454 usleep_range(10000, 11000);
455
456 if (!adapter->fw_work.work.func)
457 return;
458
459 cancel_delayed_work_sync(&adapter->fw_work);
460 }
461
462 static int qlcnic_get_phys_port_id(struct net_device *netdev,
463 struct netdev_phys_port_id *ppid)
464 {
465 struct qlcnic_adapter *adapter = netdev_priv(netdev);
466 struct qlcnic_hardware_context *ahw = adapter->ahw;
467
468 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
469 return -EOPNOTSUPP;
470
471 ppid->id_len = sizeof(ahw->phys_port_id);
472 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
473
474 return 0;
475 }
476
477 #ifdef CONFIG_QLCNIC_VXLAN
478 static void qlcnic_add_vxlan_port(struct net_device *netdev,
479 sa_family_t sa_family, __be16 port)
480 {
481 struct qlcnic_adapter *adapter = netdev_priv(netdev);
482 struct qlcnic_hardware_context *ahw = adapter->ahw;
483
484 /* Adapter supports only one VXLAN port. Use very first port
485 * for enabling offload
486 */
487 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
488 return;
489
490 ahw->vxlan_port = ntohs(port);
491 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
492 }
493
494 static void qlcnic_del_vxlan_port(struct net_device *netdev,
495 sa_family_t sa_family, __be16 port)
496 {
497 struct qlcnic_adapter *adapter = netdev_priv(netdev);
498 struct qlcnic_hardware_context *ahw = adapter->ahw;
499
500 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
501 (ahw->vxlan_port != ntohs(port)))
502 return;
503
504 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
505 }
506 #endif
507
508 static const struct net_device_ops qlcnic_netdev_ops = {
509 .ndo_open = qlcnic_open,
510 .ndo_stop = qlcnic_close,
511 .ndo_start_xmit = qlcnic_xmit_frame,
512 .ndo_get_stats = qlcnic_get_stats,
513 .ndo_validate_addr = eth_validate_addr,
514 .ndo_set_rx_mode = qlcnic_set_multi,
515 .ndo_set_mac_address = qlcnic_set_mac,
516 .ndo_change_mtu = qlcnic_change_mtu,
517 .ndo_fix_features = qlcnic_fix_features,
518 .ndo_set_features = qlcnic_set_features,
519 .ndo_tx_timeout = qlcnic_tx_timeout,
520 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
521 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
522 .ndo_fdb_add = qlcnic_fdb_add,
523 .ndo_fdb_del = qlcnic_fdb_del,
524 .ndo_fdb_dump = qlcnic_fdb_dump,
525 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
526 #ifdef CONFIG_QLCNIC_VXLAN
527 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
528 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
529 #endif
530 #ifdef CONFIG_NET_POLL_CONTROLLER
531 .ndo_poll_controller = qlcnic_poll_controller,
532 #endif
533 #ifdef CONFIG_QLCNIC_SRIOV
534 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
535 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
536 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
537 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
538 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
539 #endif
540 };
541
542 static const struct net_device_ops qlcnic_netdev_failed_ops = {
543 .ndo_open = qlcnic_open,
544 };
545
546 static struct qlcnic_nic_template qlcnic_ops = {
547 .config_bridged_mode = qlcnic_config_bridged_mode,
548 .config_led = qlcnic_82xx_config_led,
549 .start_firmware = qlcnic_82xx_start_firmware,
550 .request_reset = qlcnic_82xx_dev_request_reset,
551 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
552 .napi_add = qlcnic_82xx_napi_add,
553 .napi_del = qlcnic_82xx_napi_del,
554 .config_ipaddr = qlcnic_82xx_config_ipaddr,
555 .shutdown = qlcnic_82xx_shutdown,
556 .resume = qlcnic_82xx_resume,
557 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
558 };
559
560 struct qlcnic_nic_template qlcnic_vf_ops = {
561 .config_bridged_mode = qlcnicvf_config_bridged_mode,
562 .config_led = qlcnicvf_config_led,
563 .start_firmware = qlcnicvf_start_firmware
564 };
565
566 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
567 .read_crb = qlcnic_82xx_read_crb,
568 .write_crb = qlcnic_82xx_write_crb,
569 .read_reg = qlcnic_82xx_hw_read_wx_2M,
570 .write_reg = qlcnic_82xx_hw_write_wx_2M,
571 .get_mac_address = qlcnic_82xx_get_mac_address,
572 .setup_intr = qlcnic_82xx_setup_intr,
573 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
574 .mbx_cmd = qlcnic_82xx_issue_cmd,
575 .get_func_no = qlcnic_82xx_get_func_no,
576 .api_lock = qlcnic_82xx_api_lock,
577 .api_unlock = qlcnic_82xx_api_unlock,
578 .add_sysfs = qlcnic_82xx_add_sysfs,
579 .remove_sysfs = qlcnic_82xx_remove_sysfs,
580 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
581 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
582 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
583 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
584 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
585 .setup_link_event = qlcnic_82xx_linkevent_request,
586 .get_nic_info = qlcnic_82xx_get_nic_info,
587 .get_pci_info = qlcnic_82xx_get_pci_info,
588 .set_nic_info = qlcnic_82xx_set_nic_info,
589 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
590 .napi_enable = qlcnic_82xx_napi_enable,
591 .napi_disable = qlcnic_82xx_napi_disable,
592 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
593 .config_rss = qlcnic_82xx_config_rss,
594 .config_hw_lro = qlcnic_82xx_config_hw_lro,
595 .config_loopback = qlcnic_82xx_set_lb_mode,
596 .clear_loopback = qlcnic_82xx_clear_lb_mode,
597 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
598 .change_l2_filter = qlcnic_82xx_change_filter,
599 .get_board_info = qlcnic_82xx_get_board_info,
600 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
601 .free_mac_list = qlcnic_82xx_free_mac_list,
602 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
603 .io_error_detected = qlcnic_82xx_io_error_detected,
604 .io_slot_reset = qlcnic_82xx_io_slot_reset,
605 .io_resume = qlcnic_82xx_io_resume,
606 .get_beacon_state = qlcnic_82xx_get_beacon_state,
607 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
608 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
609 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
610 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
611 .get_saved_state = qlcnic_82xx_get_saved_state,
612 .set_saved_state = qlcnic_82xx_set_saved_state,
613 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
614 .get_cap_size = qlcnic_82xx_get_cap_size,
615 .set_sys_info = qlcnic_82xx_set_sys_info,
616 .store_cap_mask = qlcnic_82xx_store_cap_mask,
617 };
618
619 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
620 {
621 struct qlcnic_hardware_context *ahw = adapter->ahw;
622
623 if (qlcnic_82xx_check(adapter) &&
624 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
625 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
626 return 0;
627 } else {
628 return 1;
629 }
630 }
631
632 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
633 int queue_type)
634 {
635 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
636
637 if (queue_type == QLCNIC_RX_QUEUE)
638 max_rings = adapter->max_sds_rings;
639 else if (queue_type == QLCNIC_TX_QUEUE)
640 max_rings = adapter->max_tx_rings;
641
642 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
643 max_rings));
644
645 if (ring_cnt > num_rings)
646 return num_rings;
647 else
648 return ring_cnt;
649 }
650
651 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
652 {
653 /* 83xx adapter does not have max_tx_rings intialized in probe */
654 if (adapter->max_tx_rings)
655 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
656 QLCNIC_TX_QUEUE);
657 else
658 adapter->drv_tx_rings = tx_cnt;
659 }
660
661 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
662 {
663 /* 83xx adapter does not have max_sds_rings intialized in probe */
664 if (adapter->max_sds_rings)
665 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
666 QLCNIC_RX_QUEUE);
667 else
668 adapter->drv_sds_rings = rx_cnt;
669 }
670
671 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
672 {
673 struct pci_dev *pdev = adapter->pdev;
674 int num_msix = 0, err = 0, vector;
675
676 adapter->flags &= ~QLCNIC_TSS_RSS;
677
678 if (adapter->drv_tss_rings > 0)
679 num_msix += adapter->drv_tss_rings;
680 else
681 num_msix += adapter->drv_tx_rings;
682
683 if (adapter->drv_rss_rings > 0)
684 num_msix += adapter->drv_rss_rings;
685 else
686 num_msix += adapter->drv_sds_rings;
687
688 if (qlcnic_83xx_check(adapter))
689 num_msix += 1;
690
691 if (!adapter->msix_entries) {
692 adapter->msix_entries = kcalloc(num_msix,
693 sizeof(struct msix_entry),
694 GFP_KERNEL);
695 if (!adapter->msix_entries)
696 return -ENOMEM;
697 }
698
699 for (vector = 0; vector < num_msix; vector++)
700 adapter->msix_entries[vector].entry = vector;
701
702 restore:
703 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
704 if (err == -ENOSPC) {
705 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
706 return err;
707
708 netdev_info(adapter->netdev,
709 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
710 num_msix, err);
711
712 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
713
714 /* Set rings to 0 so we can restore original TSS/RSS count */
715 adapter->drv_tss_rings = 0;
716 adapter->drv_rss_rings = 0;
717
718 if (qlcnic_83xx_check(adapter))
719 num_msix += 1;
720
721 netdev_info(adapter->netdev,
722 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
723 adapter->drv_tx_rings, adapter->drv_sds_rings,
724 num_msix);
725
726 goto restore;
727 } else if (err < 0) {
728 return err;
729 }
730
731 adapter->ahw->num_msix = num_msix;
732 if (adapter->drv_tss_rings > 0)
733 adapter->drv_tx_rings = adapter->drv_tss_rings;
734
735 if (adapter->drv_rss_rings > 0)
736 adapter->drv_sds_rings = adapter->drv_rss_rings;
737
738 return 0;
739 }
740
741 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
742 {
743 struct pci_dev *pdev = adapter->pdev;
744 int err, vector;
745
746 if (!adapter->msix_entries) {
747 adapter->msix_entries = kcalloc(num_msix,
748 sizeof(struct msix_entry),
749 GFP_KERNEL);
750 if (!adapter->msix_entries)
751 return -ENOMEM;
752 }
753
754 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
755
756 if (adapter->ahw->msix_supported) {
757 enable_msix:
758 for (vector = 0; vector < num_msix; vector++)
759 adapter->msix_entries[vector].entry = vector;
760
761 err = pci_enable_msix_range(pdev,
762 adapter->msix_entries, 1, num_msix);
763
764 if (err == num_msix) {
765 adapter->flags |= QLCNIC_MSIX_ENABLED;
766 adapter->ahw->num_msix = num_msix;
767 dev_info(&pdev->dev, "using msi-x interrupts\n");
768 return 0;
769 } else if (err > 0) {
770 pci_disable_msix(pdev);
771
772 dev_info(&pdev->dev,
773 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
774 num_msix, err);
775
776 if (qlcnic_82xx_check(adapter)) {
777 num_msix = rounddown_pow_of_two(err);
778 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
779 return -ENOSPC;
780 } else {
781 num_msix = rounddown_pow_of_two(err - 1);
782 num_msix += 1;
783 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
784 return -ENOSPC;
785 }
786
787 if (qlcnic_82xx_check(adapter) &&
788 !qlcnic_check_multi_tx(adapter)) {
789 adapter->drv_sds_rings = num_msix;
790 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
791 } else {
792 /* Distribute vectors equally */
793 adapter->drv_tx_rings = num_msix / 2;
794 adapter->drv_sds_rings = adapter->drv_tx_rings;
795 }
796
797 if (num_msix) {
798 dev_info(&pdev->dev,
799 "Trying to allocate %d MSI-X interrupt vectors\n",
800 num_msix);
801 goto enable_msix;
802 }
803 } else {
804 dev_info(&pdev->dev,
805 "Unable to allocate %d MSI-X vectors, err=%d\n",
806 num_msix, err);
807 return err;
808 }
809 }
810
811 return -EIO;
812 }
813
814 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
815 {
816 int num_msix;
817
818 num_msix = adapter->drv_sds_rings;
819
820 if (qlcnic_check_multi_tx(adapter))
821 num_msix += adapter->drv_tx_rings;
822 else
823 num_msix += QLCNIC_SINGLE_RING;
824
825 return num_msix;
826 }
827
828 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
829 {
830 int err = 0;
831 u32 offset, mask_reg;
832 const struct qlcnic_legacy_intr_set *legacy_intrp;
833 struct qlcnic_hardware_context *ahw = adapter->ahw;
834 struct pci_dev *pdev = adapter->pdev;
835
836 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
837 adapter->flags |= QLCNIC_MSI_ENABLED;
838 offset = msi_tgt_status[adapter->ahw->pci_func];
839 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
840 offset);
841 dev_info(&pdev->dev, "using msi interrupts\n");
842 adapter->msix_entries[0].vector = pdev->irq;
843 return err;
844 }
845
846 if (qlcnic_use_msi || qlcnic_use_msi_x)
847 return -EOPNOTSUPP;
848
849 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
850 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
851 offset = legacy_intrp->tgt_status_reg;
852 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
853 mask_reg = legacy_intrp->tgt_mask_reg;
854 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
855 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
856 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
857 dev_info(&pdev->dev, "using legacy interrupts\n");
858 adapter->msix_entries[0].vector = pdev->irq;
859 return err;
860 }
861
862 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
863 {
864 int num_msix, err = 0;
865
866 if (adapter->flags & QLCNIC_TSS_RSS) {
867 err = qlcnic_setup_tss_rss_intr(adapter);
868 if (err < 0)
869 return err;
870 num_msix = adapter->ahw->num_msix;
871 } else {
872 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
873
874 err = qlcnic_enable_msix(adapter, num_msix);
875 if (err == -ENOMEM)
876 return err;
877
878 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
879 qlcnic_disable_multi_tx(adapter);
880 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
881
882 err = qlcnic_enable_msi_legacy(adapter);
883 if (err)
884 return err;
885 }
886 }
887
888 return 0;
889 }
890
891 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
892 {
893 struct qlcnic_hardware_context *ahw = adapter->ahw;
894 int err, i;
895
896 if (qlcnic_check_multi_tx(adapter) &&
897 !ahw->diag_test &&
898 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
899 ahw->intr_tbl = vzalloc(ahw->num_msix *
900 sizeof(struct qlcnic_intrpt_config));
901 if (!ahw->intr_tbl)
902 return -ENOMEM;
903
904 for (i = 0; i < ahw->num_msix; i++) {
905 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
906 ahw->intr_tbl[i].id = i;
907 ahw->intr_tbl[i].src = 0;
908 }
909
910 err = qlcnic_82xx_config_intrpt(adapter, 1);
911 if (err)
912 dev_err(&adapter->pdev->dev,
913 "Failed to configure Interrupt for %d vector\n",
914 ahw->num_msix);
915 return err;
916 }
917
918 return 0;
919 }
920
921 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
922 {
923 if (adapter->flags & QLCNIC_MSIX_ENABLED)
924 pci_disable_msix(adapter->pdev);
925 if (adapter->flags & QLCNIC_MSI_ENABLED)
926 pci_disable_msi(adapter->pdev);
927
928 kfree(adapter->msix_entries);
929 adapter->msix_entries = NULL;
930
931 if (adapter->ahw->intr_tbl) {
932 vfree(adapter->ahw->intr_tbl);
933 adapter->ahw->intr_tbl = NULL;
934 }
935 }
936
937 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
938 {
939 if (ahw->pci_base0 != NULL)
940 iounmap(ahw->pci_base0);
941 }
942
943 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
944 {
945 struct qlcnic_hardware_context *ahw = adapter->ahw;
946 struct qlcnic_pci_info *pci_info;
947 int ret;
948
949 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
950 switch (ahw->port_type) {
951 case QLCNIC_GBE:
952 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
953 break;
954 case QLCNIC_XGBE:
955 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
956 break;
957 }
958 return 0;
959 }
960
961 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
962 return 0;
963
964 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
965 if (!pci_info)
966 return -ENOMEM;
967
968 ret = qlcnic_get_pci_info(adapter, pci_info);
969 kfree(pci_info);
970 return ret;
971 }
972
973 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
974 {
975 bool ret = false;
976
977 if (qlcnic_84xx_check(adapter)) {
978 ret = true;
979 } else if (qlcnic_83xx_check(adapter)) {
980 if (adapter->ahw->extra_capability[0] &
981 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
982 ret = true;
983 else
984 ret = false;
985 }
986
987 return ret;
988 }
989
990 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
991 {
992 struct qlcnic_hardware_context *ahw = adapter->ahw;
993 struct qlcnic_pci_info *pci_info;
994 int i, id = 0, ret = 0, j = 0;
995 u16 act_pci_func;
996 u8 pfn;
997
998 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
999 if (!pci_info)
1000 return -ENOMEM;
1001
1002 ret = qlcnic_get_pci_info(adapter, pci_info);
1003 if (ret)
1004 goto err_pci_info;
1005
1006 act_pci_func = ahw->total_nic_func;
1007
1008 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
1009 act_pci_func, GFP_KERNEL);
1010 if (!adapter->npars) {
1011 ret = -ENOMEM;
1012 goto err_pci_info;
1013 }
1014
1015 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1016 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1017 if (!adapter->eswitch) {
1018 ret = -ENOMEM;
1019 goto err_npars;
1020 }
1021
1022 for (i = 0; i < ahw->max_vnic_func; i++) {
1023 pfn = pci_info[i].id;
1024
1025 if (pfn >= ahw->max_vnic_func) {
1026 ret = QL_STATUS_INVALID_PARAM;
1027 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1028 __func__, pfn, ahw->max_vnic_func);
1029 goto err_eswitch;
1030 }
1031
1032 if (!pci_info[i].active ||
1033 (pci_info[i].type != QLCNIC_TYPE_NIC))
1034 continue;
1035
1036 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1037 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1038 &id))
1039 adapter->npars[j].eswitch_status = true;
1040 else
1041 continue;
1042 } else {
1043 adapter->npars[j].eswitch_status = true;
1044 }
1045
1046 adapter->npars[j].pci_func = pfn;
1047 adapter->npars[j].active = (u8)pci_info[i].active;
1048 adapter->npars[j].type = (u8)pci_info[i].type;
1049 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1050 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1051 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1052
1053 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1054 j++;
1055 }
1056
1057 /* Update eSwitch status for adapters without per port eSwitch
1058 * configuration capability
1059 */
1060 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1061 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1062 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1063 }
1064
1065 kfree(pci_info);
1066 return 0;
1067
1068 err_eswitch:
1069 kfree(adapter->eswitch);
1070 adapter->eswitch = NULL;
1071 err_npars:
1072 kfree(adapter->npars);
1073 adapter->npars = NULL;
1074 err_pci_info:
1075 kfree(pci_info);
1076
1077 return ret;
1078 }
1079
1080 static int
1081 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1082 {
1083 u8 id;
1084 int ret;
1085 u32 data = QLCNIC_MGMT_FUNC;
1086 struct qlcnic_hardware_context *ahw = adapter->ahw;
1087
1088 ret = qlcnic_api_lock(adapter);
1089 if (ret)
1090 goto err_lock;
1091
1092 id = ahw->pci_func;
1093 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1094 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1095 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1096 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1097 qlcnic_api_unlock(adapter);
1098 err_lock:
1099 return ret;
1100 }
1101
1102 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1103 const struct pci_device_id *ent)
1104 {
1105 u32 op_mode, priv_level;
1106
1107 /* Determine FW API version */
1108 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1109 QLCNIC_FW_API);
1110
1111 /* Find PCI function number */
1112 qlcnic_get_func_no(adapter);
1113
1114 /* Determine function privilege level */
1115 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1116 if (op_mode == QLC_DEV_DRV_DEFAULT)
1117 priv_level = QLCNIC_MGMT_FUNC;
1118 else
1119 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1120
1121 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1122 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1123 dev_info(&adapter->pdev->dev,
1124 "HAL Version: %d Non Privileged function\n",
1125 adapter->ahw->fw_hal_version);
1126 adapter->nic_ops = &qlcnic_vf_ops;
1127 } else
1128 adapter->nic_ops = &qlcnic_ops;
1129 }
1130
1131 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1132 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1133 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1134 {
1135 switch (dev_id) {
1136 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1137 *bar = QLCNIC_82XX_BAR0_LENGTH;
1138 break;
1139 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1140 case PCI_DEVICE_ID_QLOGIC_QLE8830:
1141 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1142 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1143 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1144 *bar = QLCNIC_83XX_BAR0_LENGTH;
1145 break;
1146 default:
1147 *bar = 0;
1148 }
1149 }
1150
1151 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1152 struct qlcnic_hardware_context *ahw)
1153 {
1154 u32 offset;
1155 void __iomem *mem_ptr0 = NULL;
1156 unsigned long mem_len, pci_len0 = 0, bar0_len;
1157
1158 /* remap phys address */
1159 mem_len = pci_resource_len(pdev, 0);
1160
1161 qlcnic_get_bar_length(pdev->device, &bar0_len);
1162 if (mem_len >= bar0_len) {
1163
1164 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1165 if (mem_ptr0 == NULL) {
1166 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1167 return -EIO;
1168 }
1169 pci_len0 = mem_len;
1170 } else {
1171 return -EIO;
1172 }
1173
1174 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1175
1176 ahw->pci_base0 = mem_ptr0;
1177 ahw->pci_len0 = pci_len0;
1178 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1179 qlcnic_get_ioaddr(ahw, offset);
1180
1181 return 0;
1182 }
1183
1184 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1185 int index)
1186 {
1187 struct pci_dev *pdev = adapter->pdev;
1188 unsigned short subsystem_vendor;
1189 bool ret = true;
1190
1191 subsystem_vendor = pdev->subsystem_vendor;
1192
1193 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1194 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1195 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1196 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1197 ret = true;
1198 else
1199 ret = false;
1200 }
1201
1202 return ret;
1203 }
1204
1205 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1206 {
1207 struct pci_dev *pdev = adapter->pdev;
1208 int i, found = 0;
1209
1210 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1211 if (qlcnic_boards[i].vendor == pdev->vendor &&
1212 qlcnic_boards[i].device == pdev->device &&
1213 qlcnic_validate_subsystem_id(adapter, i)) {
1214 found = 1;
1215 break;
1216 }
1217 }
1218
1219 if (!found)
1220 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1221 else
1222 sprintf(name, "%pM: %s" , adapter->mac_addr,
1223 qlcnic_boards[i].short_name);
1224 }
1225
1226 static void
1227 qlcnic_check_options(struct qlcnic_adapter *adapter)
1228 {
1229 int err;
1230 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1231 struct pci_dev *pdev = adapter->pdev;
1232 struct qlcnic_hardware_context *ahw = adapter->ahw;
1233 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1234
1235 prev_fw_version = adapter->fw_version;
1236
1237 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1238 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1239 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1240
1241 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1242
1243 err = qlcnic_get_board_info(adapter);
1244 if (err) {
1245 dev_err(&pdev->dev, "Error getting board config info.\n");
1246 return;
1247 }
1248 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1249 if (fw_dump->tmpl_hdr == NULL ||
1250 adapter->fw_version > prev_fw_version) {
1251 if (fw_dump->tmpl_hdr)
1252 vfree(fw_dump->tmpl_hdr);
1253 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1254 dev_info(&pdev->dev,
1255 "Supports FW dump capability\n");
1256 }
1257 }
1258
1259 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1260 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1261
1262 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1263 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1264 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1265 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1266 } else {
1267 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1268 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1269 }
1270
1271 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1272 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1273
1274 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1275 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1276 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1277 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1278 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1279 }
1280
1281 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1282
1283 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1284
1285 adapter->max_rds_rings = MAX_RDS_RINGS;
1286 }
1287
1288 static int
1289 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1290 {
1291 struct qlcnic_info nic_info;
1292 int err = 0;
1293
1294 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1295 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1296 if (err)
1297 return err;
1298
1299 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1300 adapter->ahw->switch_mode = nic_info.switch_mode;
1301 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1302 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1303 adapter->ahw->capabilities = nic_info.capabilities;
1304
1305 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1306 u32 temp;
1307 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1308 if (err == -EIO)
1309 return err;
1310 adapter->ahw->extra_capability[0] = temp;
1311 } else {
1312 adapter->ahw->extra_capability[0] = 0;
1313 }
1314
1315 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1316 adapter->ahw->max_mtu = nic_info.max_mtu;
1317
1318 if (adapter->ahw->capabilities & BIT_6) {
1319 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1320 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1321 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1322 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1323
1324 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1325 } else {
1326 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1327 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1328 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1329 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1330 }
1331
1332 return err;
1333 }
1334
1335 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1336 struct qlcnic_esw_func_cfg *esw_cfg)
1337 {
1338 if (esw_cfg->discard_tagged)
1339 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1340 else
1341 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1342
1343 if (esw_cfg->vlan_id) {
1344 adapter->rx_pvid = esw_cfg->vlan_id;
1345 adapter->tx_pvid = esw_cfg->vlan_id;
1346 } else {
1347 adapter->rx_pvid = 0;
1348 adapter->tx_pvid = 0;
1349 }
1350 }
1351
1352 static int
1353 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1354 {
1355 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1356 int err;
1357
1358 if (qlcnic_sriov_vf_check(adapter)) {
1359 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1360 if (err) {
1361 netdev_err(netdev,
1362 "Cannot add VLAN filter for VLAN id %d, err=%d",
1363 vid, err);
1364 return err;
1365 }
1366 }
1367
1368 set_bit(vid, adapter->vlans);
1369 return 0;
1370 }
1371
1372 static int
1373 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1374 {
1375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1376 int err;
1377
1378 if (qlcnic_sriov_vf_check(adapter)) {
1379 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1380 if (err) {
1381 netdev_err(netdev,
1382 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1383 vid, err);
1384 return err;
1385 }
1386 }
1387
1388 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1389 clear_bit(vid, adapter->vlans);
1390 return 0;
1391 }
1392
1393 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1394 struct qlcnic_esw_func_cfg *esw_cfg)
1395 {
1396 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1397 QLCNIC_PROMISC_DISABLED);
1398
1399 if (esw_cfg->mac_anti_spoof)
1400 adapter->flags |= QLCNIC_MACSPOOF;
1401
1402 if (!esw_cfg->mac_override)
1403 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1404
1405 if (!esw_cfg->promisc_mode)
1406 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1407 }
1408
1409 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1410 {
1411 struct qlcnic_esw_func_cfg esw_cfg;
1412
1413 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1414 return 0;
1415
1416 esw_cfg.pci_func = adapter->ahw->pci_func;
1417 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1418 return -EIO;
1419 qlcnic_set_vlan_config(adapter, &esw_cfg);
1420 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1421 qlcnic_set_netdev_features(adapter, &esw_cfg);
1422
1423 return 0;
1424 }
1425
1426 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1427 struct qlcnic_esw_func_cfg *esw_cfg)
1428 {
1429 struct net_device *netdev = adapter->netdev;
1430
1431 if (qlcnic_83xx_check(adapter))
1432 return;
1433
1434 adapter->offload_flags = esw_cfg->offload_flags;
1435 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1436 netdev_update_features(netdev);
1437 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1438 }
1439
1440 static int
1441 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1442 {
1443 u32 op_mode, priv_level;
1444 int err = 0;
1445
1446 err = qlcnic_initialize_nic(adapter);
1447 if (err)
1448 return err;
1449
1450 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1451 return 0;
1452
1453 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1454 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1455
1456 if (op_mode == QLC_DEV_DRV_DEFAULT)
1457 priv_level = QLCNIC_MGMT_FUNC;
1458 else
1459 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1460
1461 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1462 if (priv_level == QLCNIC_MGMT_FUNC) {
1463 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1464 err = qlcnic_init_pci_info(adapter);
1465 if (err)
1466 return err;
1467 /* Set privilege level for other functions */
1468 qlcnic_set_function_modes(adapter);
1469 dev_info(&adapter->pdev->dev,
1470 "HAL Version: %d, Management function\n",
1471 adapter->ahw->fw_hal_version);
1472 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1473 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1474 dev_info(&adapter->pdev->dev,
1475 "HAL Version: %d, Privileged function\n",
1476 adapter->ahw->fw_hal_version);
1477 }
1478 } else {
1479 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1480 }
1481
1482 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1483
1484 return err;
1485 }
1486
1487 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1488 {
1489 struct qlcnic_esw_func_cfg esw_cfg;
1490 struct qlcnic_npar_info *npar;
1491 u8 i;
1492
1493 if (adapter->need_fw_reset)
1494 return 0;
1495
1496 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1497 if (!adapter->npars[i].eswitch_status)
1498 continue;
1499
1500 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1501 esw_cfg.pci_func = adapter->npars[i].pci_func;
1502 esw_cfg.mac_override = BIT_0;
1503 esw_cfg.promisc_mode = BIT_0;
1504 if (qlcnic_82xx_check(adapter)) {
1505 esw_cfg.offload_flags = BIT_0;
1506 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1507 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1508 }
1509 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1510 return -EIO;
1511 npar = &adapter->npars[i];
1512 npar->pvid = esw_cfg.vlan_id;
1513 npar->mac_override = esw_cfg.mac_override;
1514 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1515 npar->discard_tagged = esw_cfg.discard_tagged;
1516 npar->promisc_mode = esw_cfg.promisc_mode;
1517 npar->offload_flags = esw_cfg.offload_flags;
1518 }
1519
1520 return 0;
1521 }
1522
1523
1524 static int
1525 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1526 struct qlcnic_npar_info *npar, int pci_func)
1527 {
1528 struct qlcnic_esw_func_cfg esw_cfg;
1529 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1530 esw_cfg.pci_func = pci_func;
1531 esw_cfg.vlan_id = npar->pvid;
1532 esw_cfg.mac_override = npar->mac_override;
1533 esw_cfg.discard_tagged = npar->discard_tagged;
1534 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1535 esw_cfg.offload_flags = npar->offload_flags;
1536 esw_cfg.promisc_mode = npar->promisc_mode;
1537 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1538 return -EIO;
1539
1540 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1541 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1542 return -EIO;
1543
1544 return 0;
1545 }
1546
1547 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1548 {
1549 int i, err;
1550 struct qlcnic_npar_info *npar;
1551 struct qlcnic_info nic_info;
1552 u8 pci_func;
1553
1554 if (qlcnic_82xx_check(adapter))
1555 if (!adapter->need_fw_reset)
1556 return 0;
1557
1558 /* Set the NPAR config data after FW reset */
1559 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1560 npar = &adapter->npars[i];
1561 pci_func = npar->pci_func;
1562 if (!adapter->npars[i].eswitch_status)
1563 continue;
1564
1565 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1566 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1567 if (err)
1568 return err;
1569 nic_info.min_tx_bw = npar->min_bw;
1570 nic_info.max_tx_bw = npar->max_bw;
1571 err = qlcnic_set_nic_info(adapter, &nic_info);
1572 if (err)
1573 return err;
1574
1575 if (npar->enable_pm) {
1576 err = qlcnic_config_port_mirroring(adapter,
1577 npar->dest_npar, 1,
1578 pci_func);
1579 if (err)
1580 return err;
1581 }
1582 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1583 if (err)
1584 return err;
1585 }
1586 return 0;
1587 }
1588
1589 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1590 {
1591 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1592 u32 npar_state;
1593
1594 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1595 return 0;
1596
1597 npar_state = QLC_SHARED_REG_RD32(adapter,
1598 QLCNIC_CRB_DEV_NPAR_STATE);
1599 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1600 msleep(1000);
1601 npar_state = QLC_SHARED_REG_RD32(adapter,
1602 QLCNIC_CRB_DEV_NPAR_STATE);
1603 }
1604 if (!npar_opt_timeo) {
1605 dev_err(&adapter->pdev->dev,
1606 "Waiting for NPAR state to operational timeout\n");
1607 return -EIO;
1608 }
1609 return 0;
1610 }
1611
1612 static int
1613 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1614 {
1615 int err;
1616
1617 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1618 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1619 return 0;
1620
1621 err = qlcnic_set_default_offload_settings(adapter);
1622 if (err)
1623 return err;
1624
1625 err = qlcnic_reset_npar_config(adapter);
1626 if (err)
1627 return err;
1628
1629 qlcnic_dev_set_npar_ready(adapter);
1630
1631 return err;
1632 }
1633
1634 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1635 {
1636 int err;
1637
1638 err = qlcnic_can_start_firmware(adapter);
1639 if (err < 0)
1640 return err;
1641 else if (!err)
1642 goto check_fw_status;
1643
1644 if (qlcnic_load_fw_file)
1645 qlcnic_request_firmware(adapter);
1646 else {
1647 err = qlcnic_check_flash_fw_ver(adapter);
1648 if (err)
1649 goto err_out;
1650
1651 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1652 }
1653
1654 err = qlcnic_need_fw_reset(adapter);
1655 if (err == 0)
1656 goto check_fw_status;
1657
1658 err = qlcnic_pinit_from_rom(adapter);
1659 if (err)
1660 goto err_out;
1661
1662 err = qlcnic_load_firmware(adapter);
1663 if (err)
1664 goto err_out;
1665
1666 qlcnic_release_firmware(adapter);
1667 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1668
1669 check_fw_status:
1670 err = qlcnic_check_fw_status(adapter);
1671 if (err)
1672 goto err_out;
1673
1674 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1675 qlcnic_idc_debug_info(adapter, 1);
1676 err = qlcnic_check_eswitch_mode(adapter);
1677 if (err) {
1678 dev_err(&adapter->pdev->dev,
1679 "Memory allocation failed for eswitch\n");
1680 goto err_out;
1681 }
1682 err = qlcnic_set_mgmt_operations(adapter);
1683 if (err)
1684 goto err_out;
1685
1686 qlcnic_check_options(adapter);
1687 adapter->need_fw_reset = 0;
1688
1689 qlcnic_release_firmware(adapter);
1690 return 0;
1691
1692 err_out:
1693 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1694 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1695
1696 qlcnic_release_firmware(adapter);
1697 return err;
1698 }
1699
1700 static int
1701 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1702 {
1703 irq_handler_t handler;
1704 struct qlcnic_host_sds_ring *sds_ring;
1705 struct qlcnic_host_tx_ring *tx_ring;
1706 int err, ring, num_sds_rings;
1707
1708 unsigned long flags = 0;
1709 struct net_device *netdev = adapter->netdev;
1710 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1711
1712 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1713 if (qlcnic_82xx_check(adapter))
1714 handler = qlcnic_tmp_intr;
1715 else
1716 handler = qlcnic_83xx_tmp_intr;
1717 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1718 flags |= IRQF_SHARED;
1719
1720 } else {
1721 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1722 handler = qlcnic_msix_intr;
1723 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1724 handler = qlcnic_msi_intr;
1725 else {
1726 flags |= IRQF_SHARED;
1727 if (qlcnic_82xx_check(adapter))
1728 handler = qlcnic_intr;
1729 else
1730 handler = qlcnic_83xx_intr;
1731 }
1732 }
1733 adapter->irq = netdev->irq;
1734
1735 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1736 if (qlcnic_82xx_check(adapter) ||
1737 (qlcnic_83xx_check(adapter) &&
1738 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1739 num_sds_rings = adapter->drv_sds_rings;
1740 for (ring = 0; ring < num_sds_rings; ring++) {
1741 sds_ring = &recv_ctx->sds_rings[ring];
1742 if (qlcnic_82xx_check(adapter) &&
1743 !qlcnic_check_multi_tx(adapter) &&
1744 (ring == (num_sds_rings - 1))) {
1745 if (!(adapter->flags &
1746 QLCNIC_MSIX_ENABLED))
1747 snprintf(sds_ring->name,
1748 sizeof(sds_ring->name),
1749 "qlcnic");
1750 else
1751 snprintf(sds_ring->name,
1752 sizeof(sds_ring->name),
1753 "%s-tx-0-rx-%d",
1754 netdev->name, ring);
1755 } else {
1756 snprintf(sds_ring->name,
1757 sizeof(sds_ring->name),
1758 "%s-rx-%d",
1759 netdev->name, ring);
1760 }
1761 err = request_irq(sds_ring->irq, handler, flags,
1762 sds_ring->name, sds_ring);
1763 if (err)
1764 return err;
1765 }
1766 }
1767 if ((qlcnic_82xx_check(adapter) &&
1768 qlcnic_check_multi_tx(adapter)) ||
1769 (qlcnic_83xx_check(adapter) &&
1770 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1771 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1772 handler = qlcnic_msix_tx_intr;
1773 for (ring = 0; ring < adapter->drv_tx_rings;
1774 ring++) {
1775 tx_ring = &adapter->tx_ring[ring];
1776 snprintf(tx_ring->name, sizeof(tx_ring->name),
1777 "%s-tx-%d", netdev->name, ring);
1778 err = request_irq(tx_ring->irq, handler, flags,
1779 tx_ring->name, tx_ring);
1780 if (err)
1781 return err;
1782 }
1783 }
1784 }
1785 return 0;
1786 }
1787
1788 static void
1789 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1790 {
1791 int ring;
1792 struct qlcnic_host_sds_ring *sds_ring;
1793 struct qlcnic_host_tx_ring *tx_ring;
1794
1795 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1796
1797 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1798 if (qlcnic_82xx_check(adapter) ||
1799 (qlcnic_83xx_check(adapter) &&
1800 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1801 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1802 sds_ring = &recv_ctx->sds_rings[ring];
1803 free_irq(sds_ring->irq, sds_ring);
1804 }
1805 }
1806 if ((qlcnic_83xx_check(adapter) &&
1807 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1808 (qlcnic_82xx_check(adapter) &&
1809 qlcnic_check_multi_tx(adapter))) {
1810 for (ring = 0; ring < adapter->drv_tx_rings;
1811 ring++) {
1812 tx_ring = &adapter->tx_ring[ring];
1813 if (tx_ring->irq)
1814 free_irq(tx_ring->irq, tx_ring);
1815 }
1816 }
1817 }
1818 }
1819
1820 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1821 {
1822 u32 capab = 0;
1823
1824 if (qlcnic_82xx_check(adapter)) {
1825 if (adapter->ahw->extra_capability[0] &
1826 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1827 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1828 } else {
1829 capab = adapter->ahw->capabilities;
1830 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1831 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1832 }
1833 }
1834
1835 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1836 {
1837 struct qlcnic_hardware_context *ahw = adapter->ahw;
1838 int err;
1839
1840 /* Initialize interrupt coalesce parameters */
1841 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1842
1843 if (qlcnic_83xx_check(adapter)) {
1844 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1845 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1846 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1847 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1848 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1849
1850 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1851 } else {
1852 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1853 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1854 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1855
1856 err = qlcnic_82xx_set_rx_coalesce(adapter);
1857 }
1858
1859 return err;
1860 }
1861
1862 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1863 {
1864 int ring;
1865 struct qlcnic_host_rds_ring *rds_ring;
1866
1867 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1868 return -EIO;
1869
1870 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1871 return 0;
1872
1873 if (qlcnic_set_eswitch_port_config(adapter))
1874 return -EIO;
1875
1876 qlcnic_get_lro_mss_capability(adapter);
1877
1878 if (qlcnic_fw_create_ctx(adapter))
1879 return -EIO;
1880
1881 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1882 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1883 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1884 }
1885
1886 qlcnic_set_multi(netdev);
1887 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1888
1889 adapter->ahw->linkup = 0;
1890
1891 if (adapter->drv_sds_rings > 1)
1892 qlcnic_config_rss(adapter, 1);
1893
1894 qlcnic_config_def_intr_coalesce(adapter);
1895
1896 if (netdev->features & NETIF_F_LRO)
1897 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1898
1899 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1900 qlcnic_napi_enable(adapter);
1901
1902 qlcnic_linkevent_request(adapter, 1);
1903
1904 adapter->ahw->reset_context = 0;
1905 netif_tx_start_all_queues(netdev);
1906 return 0;
1907 }
1908
1909 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1910 {
1911 int err = 0;
1912
1913 rtnl_lock();
1914 if (netif_running(netdev))
1915 err = __qlcnic_up(adapter, netdev);
1916 rtnl_unlock();
1917
1918 return err;
1919 }
1920
1921 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1922 {
1923 int ring;
1924
1925 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1926 return;
1927
1928 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1929 return;
1930
1931 smp_mb();
1932 netif_carrier_off(netdev);
1933 adapter->ahw->linkup = 0;
1934 netif_tx_disable(netdev);
1935
1936 qlcnic_free_mac_list(adapter);
1937
1938 if (adapter->fhash.fnum)
1939 qlcnic_delete_lb_filters(adapter);
1940
1941 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1942 if (qlcnic_sriov_vf_check(adapter))
1943 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1944
1945 qlcnic_napi_disable(adapter);
1946
1947 qlcnic_fw_destroy_ctx(adapter);
1948 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1949
1950 qlcnic_reset_rx_buffers_list(adapter);
1951
1952 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1953 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1954 }
1955
1956 /* Usage: During suspend and firmware recovery module */
1957
1958 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1959 {
1960 rtnl_lock();
1961 if (netif_running(netdev))
1962 __qlcnic_down(adapter, netdev);
1963 rtnl_unlock();
1964
1965 }
1966
1967 int
1968 qlcnic_attach(struct qlcnic_adapter *adapter)
1969 {
1970 struct net_device *netdev = adapter->netdev;
1971 struct pci_dev *pdev = adapter->pdev;
1972 int err;
1973
1974 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1975 return 0;
1976
1977 err = qlcnic_napi_add(adapter, netdev);
1978 if (err)
1979 return err;
1980
1981 err = qlcnic_alloc_sw_resources(adapter);
1982 if (err) {
1983 dev_err(&pdev->dev, "Error in setting sw resources\n");
1984 goto err_out_napi_del;
1985 }
1986
1987 err = qlcnic_alloc_hw_resources(adapter);
1988 if (err) {
1989 dev_err(&pdev->dev, "Error in setting hw resources\n");
1990 goto err_out_free_sw;
1991 }
1992
1993 err = qlcnic_request_irq(adapter);
1994 if (err) {
1995 dev_err(&pdev->dev, "failed to setup interrupt\n");
1996 goto err_out_free_hw;
1997 }
1998
1999 qlcnic_create_sysfs_entries(adapter);
2000
2001 #ifdef CONFIG_QLCNIC_VXLAN
2002 if (qlcnic_encap_rx_offload(adapter))
2003 vxlan_get_rx_port(netdev);
2004 #endif
2005
2006 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2007 return 0;
2008
2009 err_out_free_hw:
2010 qlcnic_free_hw_resources(adapter);
2011 err_out_free_sw:
2012 qlcnic_free_sw_resources(adapter);
2013 err_out_napi_del:
2014 qlcnic_napi_del(adapter);
2015 return err;
2016 }
2017
2018 void qlcnic_detach(struct qlcnic_adapter *adapter)
2019 {
2020 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2021 return;
2022
2023 qlcnic_remove_sysfs_entries(adapter);
2024
2025 qlcnic_free_hw_resources(adapter);
2026 qlcnic_release_rx_buffers(adapter);
2027 qlcnic_free_irq(adapter);
2028 qlcnic_napi_del(adapter);
2029 qlcnic_free_sw_resources(adapter);
2030
2031 adapter->is_up = 0;
2032 }
2033
2034 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2035 {
2036 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2037 struct qlcnic_host_sds_ring *sds_ring;
2038 int drv_tx_rings = adapter->drv_tx_rings;
2039 int ring;
2040
2041 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2042 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2043 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2044 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2045 qlcnic_disable_sds_intr(adapter, sds_ring);
2046 }
2047 }
2048
2049 qlcnic_fw_destroy_ctx(adapter);
2050
2051 qlcnic_detach(adapter);
2052
2053 adapter->ahw->diag_test = 0;
2054 adapter->drv_sds_rings = drv_sds_rings;
2055 adapter->drv_tx_rings = drv_tx_rings;
2056
2057 if (qlcnic_attach(adapter))
2058 goto out;
2059
2060 if (netif_running(netdev))
2061 __qlcnic_up(adapter, netdev);
2062 out:
2063 netif_device_attach(netdev);
2064 }
2065
2066 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2067 {
2068 struct qlcnic_hardware_context *ahw = adapter->ahw;
2069 int err = 0;
2070
2071 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2072 GFP_KERNEL);
2073 if (!adapter->recv_ctx) {
2074 err = -ENOMEM;
2075 goto err_out;
2076 }
2077
2078 if (qlcnic_83xx_check(adapter)) {
2079 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2080 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2081 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2082 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2083 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2084 } else {
2085 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2086 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2087 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2088 }
2089
2090 /* clear stats */
2091 memset(&adapter->stats, 0, sizeof(adapter->stats));
2092 err_out:
2093 return err;
2094 }
2095
2096 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2097 {
2098 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2099
2100 kfree(adapter->recv_ctx);
2101 adapter->recv_ctx = NULL;
2102
2103 if (fw_dump->tmpl_hdr) {
2104 vfree(fw_dump->tmpl_hdr);
2105 fw_dump->tmpl_hdr = NULL;
2106 }
2107
2108 if (fw_dump->dma_buffer) {
2109 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2110 fw_dump->dma_buffer, fw_dump->phys_addr);
2111 fw_dump->dma_buffer = NULL;
2112 }
2113
2114 kfree(adapter->ahw->reset.buff);
2115 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2116 }
2117
2118 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2119 {
2120 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2121 struct qlcnic_host_sds_ring *sds_ring;
2122 struct qlcnic_host_rds_ring *rds_ring;
2123 int ring;
2124 int ret;
2125
2126 netif_device_detach(netdev);
2127
2128 if (netif_running(netdev))
2129 __qlcnic_down(adapter, netdev);
2130
2131 qlcnic_detach(adapter);
2132
2133 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2134 adapter->ahw->diag_test = test;
2135 adapter->ahw->linkup = 0;
2136
2137 ret = qlcnic_attach(adapter);
2138 if (ret) {
2139 netif_device_attach(netdev);
2140 return ret;
2141 }
2142
2143 ret = qlcnic_fw_create_ctx(adapter);
2144 if (ret) {
2145 qlcnic_detach(adapter);
2146 netif_device_attach(netdev);
2147 return ret;
2148 }
2149
2150 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2151 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2152 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2153 }
2154
2155 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2156 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2157 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2158 qlcnic_enable_sds_intr(adapter, sds_ring);
2159 }
2160 }
2161
2162 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2163 adapter->ahw->loopback_state = 0;
2164 qlcnic_linkevent_request(adapter, 1);
2165 }
2166
2167 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2168
2169 return 0;
2170 }
2171
2172 /* Reset context in hardware only */
2173 static int
2174 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2175 {
2176 struct net_device *netdev = adapter->netdev;
2177
2178 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2179 return -EBUSY;
2180
2181 netif_device_detach(netdev);
2182
2183 qlcnic_down(adapter, netdev);
2184
2185 qlcnic_up(adapter, netdev);
2186
2187 netif_device_attach(netdev);
2188
2189 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2190 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2191 return 0;
2192 }
2193
2194 int
2195 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2196 {
2197 int err = 0;
2198 struct net_device *netdev = adapter->netdev;
2199
2200 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2201 return -EBUSY;
2202
2203 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2204
2205 netif_device_detach(netdev);
2206
2207 if (netif_running(netdev))
2208 __qlcnic_down(adapter, netdev);
2209
2210 qlcnic_detach(adapter);
2211
2212 if (netif_running(netdev)) {
2213 err = qlcnic_attach(adapter);
2214 if (!err) {
2215 __qlcnic_up(adapter, netdev);
2216 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2217 }
2218 }
2219
2220 netif_device_attach(netdev);
2221 }
2222
2223 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2224 return err;
2225 }
2226
2227 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2228 {
2229 struct qlcnic_hardware_context *ahw = adapter->ahw;
2230 u16 act_pci_fn = ahw->total_nic_func;
2231 u16 count;
2232
2233 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2234 if (act_pci_fn <= 2)
2235 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2236 act_pci_fn;
2237 else
2238 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2239 act_pci_fn;
2240 ahw->max_uc_count = count;
2241 }
2242
2243 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2244 u8 tx_queues, u8 rx_queues)
2245 {
2246 struct net_device *netdev = adapter->netdev;
2247 int err = 0;
2248
2249 if (tx_queues) {
2250 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2251 if (err) {
2252 netdev_err(netdev, "failed to set %d Tx queues\n",
2253 tx_queues);
2254 return err;
2255 }
2256 }
2257
2258 if (rx_queues) {
2259 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2260 if (err)
2261 netdev_err(netdev, "failed to set %d Rx queues\n",
2262 rx_queues);
2263 }
2264
2265 return err;
2266 }
2267
2268 int
2269 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2270 int pci_using_dac)
2271 {
2272 int err;
2273 struct pci_dev *pdev = adapter->pdev;
2274
2275 adapter->rx_csum = 1;
2276 adapter->ahw->mc_enabled = 0;
2277 qlcnic_set_mac_filter_count(adapter);
2278
2279 netdev->netdev_ops = &qlcnic_netdev_ops;
2280 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2281
2282 qlcnic_change_mtu(netdev, netdev->mtu);
2283
2284 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2285 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2286
2287 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2288 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2289 NETIF_F_HW_VLAN_CTAG_RX);
2290 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2291 NETIF_F_IPV6_CSUM);
2292
2293 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2294 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2295 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2296 }
2297
2298 if (pci_using_dac) {
2299 netdev->features |= NETIF_F_HIGHDMA;
2300 netdev->vlan_features |= NETIF_F_HIGHDMA;
2301 }
2302
2303 if (qlcnic_vlan_tx_check(adapter))
2304 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2305
2306 if (qlcnic_sriov_vf_check(adapter))
2307 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2308
2309 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2310 netdev->features |= NETIF_F_LRO;
2311
2312 if (qlcnic_encap_tx_offload(adapter)) {
2313 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2314
2315 /* encapsulation Tx offload supported by Adapter */
2316 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2317 NETIF_F_GSO_UDP_TUNNEL |
2318 NETIF_F_TSO |
2319 NETIF_F_TSO6;
2320 }
2321
2322 if (qlcnic_encap_rx_offload(adapter))
2323 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2324
2325 netdev->hw_features = netdev->features;
2326 netdev->priv_flags |= IFF_UNICAST_FLT;
2327 netdev->irq = adapter->msix_entries[0].vector;
2328
2329 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2330 adapter->drv_sds_rings);
2331 if (err)
2332 return err;
2333
2334 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2335
2336 err = register_netdev(netdev);
2337 if (err) {
2338 dev_err(&pdev->dev, "failed to register net device\n");
2339 return err;
2340 }
2341
2342 return 0;
2343 }
2344
2345 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2346 {
2347 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2348 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2349 *pci_using_dac = 1;
2350 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2351 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2352 *pci_using_dac = 0;
2353 else {
2354 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2355 return -EIO;
2356 }
2357
2358 return 0;
2359 }
2360
2361 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2362 {
2363 int ring;
2364 struct qlcnic_host_tx_ring *tx_ring;
2365
2366 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2367 tx_ring = &adapter->tx_ring[ring];
2368 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2369 vfree(tx_ring->cmd_buf_arr);
2370 tx_ring->cmd_buf_arr = NULL;
2371 }
2372 }
2373 if (adapter->tx_ring != NULL)
2374 kfree(adapter->tx_ring);
2375 }
2376
2377 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2378 struct net_device *netdev)
2379 {
2380 int ring, vector, index;
2381 struct qlcnic_host_tx_ring *tx_ring;
2382 struct qlcnic_cmd_buffer *cmd_buf_arr;
2383
2384 tx_ring = kcalloc(adapter->drv_tx_rings,
2385 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2386 if (tx_ring == NULL)
2387 return -ENOMEM;
2388
2389 adapter->tx_ring = tx_ring;
2390
2391 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2392 tx_ring = &adapter->tx_ring[ring];
2393 tx_ring->num_desc = adapter->num_txd;
2394 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2395 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2396 if (cmd_buf_arr == NULL) {
2397 qlcnic_free_tx_rings(adapter);
2398 return -ENOMEM;
2399 }
2400 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2401 tx_ring->cmd_buf_arr = cmd_buf_arr;
2402 spin_lock_init(&tx_ring->tx_clean_lock);
2403 }
2404
2405 if (qlcnic_83xx_check(adapter) ||
2406 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2407 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2408 tx_ring = &adapter->tx_ring[ring];
2409 tx_ring->adapter = adapter;
2410 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2411 index = adapter->drv_sds_rings + ring;
2412 vector = adapter->msix_entries[index].vector;
2413 tx_ring->irq = vector;
2414 }
2415 }
2416 }
2417
2418 return 0;
2419 }
2420
2421 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2422 {
2423 struct qlcnic_hardware_context *ahw = adapter->ahw;
2424 u32 fw_cmd = 0;
2425
2426 if (qlcnic_82xx_check(adapter))
2427 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2428 else if (qlcnic_83xx_check(adapter))
2429 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2430
2431 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2432 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2433 }
2434
2435 /* Reset firmware API lock */
2436 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2437 {
2438 qlcnic_api_lock(adapter);
2439 qlcnic_api_unlock(adapter);
2440 }
2441
2442
2443 static int
2444 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2445 {
2446 struct net_device *netdev = NULL;
2447 struct qlcnic_adapter *adapter = NULL;
2448 struct qlcnic_hardware_context *ahw;
2449 int err, pci_using_dac = -1;
2450 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2451
2452 err = pci_enable_device(pdev);
2453 if (err)
2454 return err;
2455
2456 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2457 err = -ENODEV;
2458 goto err_out_disable_pdev;
2459 }
2460
2461 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2462 if (err)
2463 goto err_out_disable_pdev;
2464
2465 err = pci_request_regions(pdev, qlcnic_driver_name);
2466 if (err)
2467 goto err_out_disable_pdev;
2468
2469 pci_set_master(pdev);
2470 pci_enable_pcie_error_reporting(pdev);
2471
2472 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2473 if (!ahw) {
2474 err = -ENOMEM;
2475 goto err_out_free_res;
2476 }
2477
2478 switch (ent->device) {
2479 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2480 ahw->hw_ops = &qlcnic_hw_ops;
2481 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2482 break;
2483 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2484 case PCI_DEVICE_ID_QLOGIC_QLE8830:
2485 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2486 qlcnic_83xx_register_map(ahw);
2487 break;
2488 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2489 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2490 qlcnic_sriov_vf_register_map(ahw);
2491 break;
2492 default:
2493 goto err_out_free_hw_res;
2494 }
2495
2496 err = qlcnic_setup_pci_map(pdev, ahw);
2497 if (err)
2498 goto err_out_free_hw_res;
2499
2500 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2501 QLCNIC_MAX_TX_RINGS);
2502 if (!netdev) {
2503 err = -ENOMEM;
2504 goto err_out_iounmap;
2505 }
2506
2507 SET_NETDEV_DEV(netdev, &pdev->dev);
2508
2509 adapter = netdev_priv(netdev);
2510 adapter->netdev = netdev;
2511 adapter->pdev = pdev;
2512 adapter->ahw = ahw;
2513
2514 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2515 if (adapter->qlcnic_wq == NULL) {
2516 err = -ENOMEM;
2517 dev_err(&pdev->dev, "Failed to create workqueue\n");
2518 goto err_out_free_netdev;
2519 }
2520
2521 err = qlcnic_alloc_adapter_resources(adapter);
2522 if (err)
2523 goto err_out_free_wq;
2524
2525 adapter->dev_rst_time = jiffies;
2526 ahw->revision_id = pdev->revision;
2527 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2528 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2529 adapter->fdb_mac_learn = true;
2530 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2531 adapter->drv_mac_learn = true;
2532
2533 rwlock_init(&adapter->ahw->crb_lock);
2534 mutex_init(&adapter->ahw->mem_lock);
2535
2536 INIT_LIST_HEAD(&adapter->mac_list);
2537
2538 qlcnic_register_dcb(adapter);
2539
2540 if (qlcnic_82xx_check(adapter)) {
2541 qlcnic_check_vf(adapter, ent);
2542 adapter->portnum = adapter->ahw->pci_func;
2543 qlcnic_reset_api_lock(adapter);
2544 err = qlcnic_start_firmware(adapter);
2545 if (err) {
2546 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2547 "\t\tIf reboot doesn't help, try flashing the card\n");
2548 goto err_out_maintenance_mode;
2549 }
2550
2551 /* compute and set default and max tx/sds rings */
2552 if (adapter->ahw->msix_supported) {
2553 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2554 qlcnic_set_tx_ring_count(adapter,
2555 QLCNIC_SINGLE_RING);
2556 else
2557 qlcnic_set_tx_ring_count(adapter,
2558 QLCNIC_DEF_TX_RINGS);
2559 qlcnic_set_sds_ring_count(adapter,
2560 QLCNIC_DEF_SDS_RINGS);
2561 } else {
2562 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2563 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2564 }
2565
2566 err = qlcnic_setup_idc_param(adapter);
2567 if (err)
2568 goto err_out_free_hw;
2569
2570 adapter->flags |= QLCNIC_NEED_FLR;
2571
2572 } else if (qlcnic_83xx_check(adapter)) {
2573 qlcnic_83xx_check_vf(adapter, ent);
2574 adapter->portnum = adapter->ahw->pci_func;
2575 err = qlcnic_83xx_init(adapter, pci_using_dac);
2576 if (err) {
2577 switch (err) {
2578 case -ENOTRECOVERABLE:
2579 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2580 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2581 goto err_out_free_hw;
2582 case -ENOMEM:
2583 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2584 goto err_out_free_hw;
2585 case -EOPNOTSUPP:
2586 dev_err(&pdev->dev, "Adapter initialization failed\n");
2587 goto err_out_free_hw;
2588 default:
2589 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2590 goto err_out_maintenance_mode;
2591 }
2592 }
2593
2594 if (qlcnic_sriov_vf_check(adapter))
2595 return 0;
2596 } else {
2597 dev_err(&pdev->dev,
2598 "%s: failed. Please Reboot\n", __func__);
2599 goto err_out_free_hw;
2600 }
2601
2602 if (qlcnic_read_mac_addr(adapter))
2603 dev_warn(&pdev->dev, "failed to read mac addr\n");
2604
2605 qlcnic_read_phys_port_id(adapter);
2606
2607 if (adapter->portnum == 0) {
2608 qlcnic_get_board_name(adapter, board_name);
2609
2610 pr_info("%s: %s Board Chip rev 0x%x\n",
2611 module_name(THIS_MODULE),
2612 board_name, adapter->ahw->revision_id);
2613 }
2614
2615 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2616 !!qlcnic_use_msi)
2617 dev_warn(&pdev->dev,
2618 "Device does not support MSI interrupts\n");
2619
2620 if (qlcnic_82xx_check(adapter)) {
2621 qlcnic_dcb_enable(adapter->dcb);
2622 qlcnic_dcb_get_info(adapter->dcb);
2623 err = qlcnic_setup_intr(adapter);
2624
2625 if (err) {
2626 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2627 goto err_out_disable_msi;
2628 }
2629 }
2630
2631 err = qlcnic_get_act_pci_func(adapter);
2632 if (err)
2633 goto err_out_disable_mbx_intr;
2634
2635 if (adapter->portnum == 0)
2636 qlcnic_set_drv_version(adapter);
2637
2638 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2639 if (err)
2640 goto err_out_disable_mbx_intr;
2641
2642 pci_set_drvdata(pdev, adapter);
2643
2644 if (qlcnic_82xx_check(adapter))
2645 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2646 FW_POLL_DELAY);
2647
2648 switch (adapter->ahw->port_type) {
2649 case QLCNIC_GBE:
2650 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2651 adapter->netdev->name);
2652 break;
2653 case QLCNIC_XGBE:
2654 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2655 adapter->netdev->name);
2656 break;
2657 }
2658
2659 if (adapter->drv_mac_learn)
2660 qlcnic_alloc_lb_filters_mem(adapter);
2661
2662 qlcnic_add_sysfs(adapter);
2663 qlcnic_register_hwmon_dev(adapter);
2664 return 0;
2665
2666 err_out_disable_mbx_intr:
2667 if (qlcnic_83xx_check(adapter))
2668 qlcnic_83xx_free_mbx_intr(adapter);
2669
2670 err_out_disable_msi:
2671 qlcnic_teardown_intr(adapter);
2672 qlcnic_cancel_idc_work(adapter);
2673 qlcnic_clr_all_drv_state(adapter, 0);
2674
2675 err_out_free_hw:
2676 qlcnic_free_adapter_resources(adapter);
2677
2678 err_out_free_wq:
2679 destroy_workqueue(adapter->qlcnic_wq);
2680
2681 err_out_free_netdev:
2682 free_netdev(netdev);
2683
2684 err_out_iounmap:
2685 qlcnic_cleanup_pci_map(ahw);
2686
2687 err_out_free_hw_res:
2688 kfree(ahw);
2689
2690 err_out_free_res:
2691 pci_release_regions(pdev);
2692
2693 err_out_disable_pdev:
2694 pci_disable_device(pdev);
2695 return err;
2696
2697 err_out_maintenance_mode:
2698 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2699 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2700 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2701 ahw->port_type = QLCNIC_XGBE;
2702
2703 if (qlcnic_83xx_check(adapter))
2704 adapter->tgt_status_reg = NULL;
2705 else
2706 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2707
2708 err = register_netdev(netdev);
2709
2710 if (err) {
2711 dev_err(&pdev->dev, "Failed to register net device\n");
2712 qlcnic_clr_all_drv_state(adapter, 0);
2713 goto err_out_free_hw;
2714 }
2715
2716 pci_set_drvdata(pdev, adapter);
2717 qlcnic_add_sysfs(adapter);
2718
2719 return 0;
2720 }
2721
2722 static void qlcnic_remove(struct pci_dev *pdev)
2723 {
2724 struct qlcnic_adapter *adapter;
2725 struct net_device *netdev;
2726 struct qlcnic_hardware_context *ahw;
2727
2728 adapter = pci_get_drvdata(pdev);
2729 if (adapter == NULL)
2730 return;
2731
2732 netdev = adapter->netdev;
2733
2734 qlcnic_cancel_idc_work(adapter);
2735 qlcnic_sriov_pf_disable(adapter);
2736 ahw = adapter->ahw;
2737
2738 unregister_netdev(netdev);
2739 qlcnic_sriov_cleanup(adapter);
2740
2741 if (qlcnic_83xx_check(adapter)) {
2742 qlcnic_83xx_initialize_nic(adapter, 0);
2743 cancel_delayed_work_sync(&adapter->idc_aen_work);
2744 qlcnic_83xx_free_mbx_intr(adapter);
2745 qlcnic_83xx_detach_mailbox_work(adapter);
2746 qlcnic_83xx_free_mailbox(ahw->mailbox);
2747 kfree(ahw->fw_info);
2748 }
2749
2750 qlcnic_dcb_free(adapter->dcb);
2751
2752 qlcnic_detach(adapter);
2753
2754 if (adapter->npars != NULL)
2755 kfree(adapter->npars);
2756 if (adapter->eswitch != NULL)
2757 kfree(adapter->eswitch);
2758
2759 if (qlcnic_82xx_check(adapter))
2760 qlcnic_clr_all_drv_state(adapter, 0);
2761
2762 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2763
2764 qlcnic_free_lb_filters_mem(adapter);
2765
2766 qlcnic_teardown_intr(adapter);
2767
2768 qlcnic_remove_sysfs(adapter);
2769
2770 qlcnic_unregister_hwmon_dev(adapter);
2771
2772 qlcnic_cleanup_pci_map(adapter->ahw);
2773
2774 qlcnic_release_firmware(adapter);
2775
2776 pci_disable_pcie_error_reporting(pdev);
2777 pci_release_regions(pdev);
2778 pci_disable_device(pdev);
2779
2780 if (adapter->qlcnic_wq) {
2781 destroy_workqueue(adapter->qlcnic_wq);
2782 adapter->qlcnic_wq = NULL;
2783 }
2784
2785 qlcnic_free_adapter_resources(adapter);
2786 kfree(ahw);
2787 free_netdev(netdev);
2788 }
2789
2790 static void qlcnic_shutdown(struct pci_dev *pdev)
2791 {
2792 if (__qlcnic_shutdown(pdev))
2793 return;
2794
2795 pci_disable_device(pdev);
2796 }
2797
2798 #ifdef CONFIG_PM
2799 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2800 {
2801 int retval;
2802
2803 retval = __qlcnic_shutdown(pdev);
2804 if (retval)
2805 return retval;
2806
2807 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2808 return 0;
2809 }
2810
2811 static int qlcnic_resume(struct pci_dev *pdev)
2812 {
2813 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2814 int err;
2815
2816 err = pci_enable_device(pdev);
2817 if (err)
2818 return err;
2819
2820 pci_set_power_state(pdev, PCI_D0);
2821 pci_set_master(pdev);
2822 pci_restore_state(pdev);
2823
2824 return __qlcnic_resume(adapter);
2825 }
2826 #endif
2827
2828 static int qlcnic_open(struct net_device *netdev)
2829 {
2830 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2831 int err;
2832
2833 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2834 netdev_err(netdev, "%s: Device is in non-operational state\n",
2835 __func__);
2836
2837 return -EIO;
2838 }
2839
2840 netif_carrier_off(netdev);
2841
2842 err = qlcnic_attach(adapter);
2843 if (err)
2844 return err;
2845
2846 err = __qlcnic_up(adapter, netdev);
2847 if (err)
2848 qlcnic_detach(adapter);
2849
2850 return err;
2851 }
2852
2853 /*
2854 * qlcnic_close - Disables a network interface entry point
2855 */
2856 static int qlcnic_close(struct net_device *netdev)
2857 {
2858 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2859
2860 __qlcnic_down(adapter, netdev);
2861
2862 return 0;
2863 }
2864
2865 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2866
2867 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2868 {
2869 void *head;
2870 int i;
2871 struct net_device *netdev = adapter->netdev;
2872 u32 filter_size = 0;
2873 u16 act_pci_func = 0;
2874
2875 if (adapter->fhash.fmax && adapter->fhash.fhead)
2876 return;
2877
2878 act_pci_func = adapter->ahw->total_nic_func;
2879 spin_lock_init(&adapter->mac_learn_lock);
2880 spin_lock_init(&adapter->rx_mac_learn_lock);
2881
2882 if (qlcnic_sriov_vf_check(adapter)) {
2883 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2884 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2885 } else if (qlcnic_82xx_check(adapter)) {
2886 filter_size = QLCNIC_LB_MAX_FILTERS;
2887 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2888 } else {
2889 filter_size = QLC_83XX_LB_MAX_FILTERS;
2890 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2891 }
2892
2893 head = kcalloc(adapter->fhash.fbucket_size,
2894 sizeof(struct hlist_head), GFP_ATOMIC);
2895
2896 if (!head)
2897 return;
2898
2899 adapter->fhash.fmax = (filter_size / act_pci_func);
2900 adapter->fhash.fhead = head;
2901
2902 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2903 act_pci_func, adapter->fhash.fmax);
2904
2905 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2906 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2907
2908 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2909
2910 head = kcalloc(adapter->rx_fhash.fbucket_size,
2911 sizeof(struct hlist_head), GFP_ATOMIC);
2912
2913 if (!head)
2914 return;
2915
2916 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2917 adapter->rx_fhash.fhead = head;
2918
2919 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2920 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2921 }
2922
2923 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2924 {
2925 if (adapter->fhash.fmax && adapter->fhash.fhead)
2926 kfree(adapter->fhash.fhead);
2927
2928 adapter->fhash.fhead = NULL;
2929 adapter->fhash.fmax = 0;
2930
2931 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2932 kfree(adapter->rx_fhash.fhead);
2933
2934 adapter->rx_fhash.fmax = 0;
2935 adapter->rx_fhash.fhead = NULL;
2936 }
2937
2938 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2939 {
2940 struct net_device *netdev = adapter->netdev;
2941 u32 temp_state, temp_val, temp = 0;
2942 int rv = 0;
2943
2944 if (qlcnic_83xx_check(adapter))
2945 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2946
2947 if (qlcnic_82xx_check(adapter))
2948 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2949
2950 temp_state = qlcnic_get_temp_state(temp);
2951 temp_val = qlcnic_get_temp_val(temp);
2952
2953 if (temp_state == QLCNIC_TEMP_PANIC) {
2954 dev_err(&netdev->dev,
2955 "Device temperature %d degrees C exceeds"
2956 " maximum allowed. Hardware has been shut down.\n",
2957 temp_val);
2958 rv = 1;
2959 } else if (temp_state == QLCNIC_TEMP_WARN) {
2960 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2961 dev_err(&netdev->dev,
2962 "Device temperature %d degrees C "
2963 "exceeds operating range."
2964 " Immediate action needed.\n",
2965 temp_val);
2966 }
2967 } else {
2968 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2969 dev_info(&netdev->dev,
2970 "Device temperature is now %d degrees C"
2971 " in normal range.\n", temp_val);
2972 }
2973 }
2974 adapter->ahw->temp = temp_state;
2975 return rv;
2976 }
2977
2978 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2979 {
2980 int i;
2981 struct cmd_desc_type0 *tx_desc_info;
2982
2983 for (i = 0; i < tx_ring->num_desc; i++) {
2984 tx_desc_info = &tx_ring->desc_head[i];
2985 pr_info("TX Desc: %d\n", i);
2986 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2987 &tx_ring->desc_head[i],
2988 sizeof(struct cmd_desc_type0), true);
2989 }
2990 }
2991
2992 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
2993 {
2994 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2995 struct net_device *netdev = adapter->netdev;
2996 struct qlcnic_host_rds_ring *rds_ring;
2997 struct qlcnic_host_sds_ring *sds_ring;
2998 struct qlcnic_host_tx_ring *tx_ring;
2999 int ring;
3000
3001 if (!netdev || !netif_running(netdev))
3002 return;
3003
3004 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
3005 rds_ring = &recv_ctx->rds_rings[ring];
3006 if (!rds_ring)
3007 continue;
3008 netdev_info(netdev,
3009 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3010 ring, readl(rds_ring->crb_rcv_producer),
3011 rds_ring->producer, rds_ring->num_desc);
3012 }
3013
3014 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3015 sds_ring = &(recv_ctx->sds_rings[ring]);
3016 if (!sds_ring)
3017 continue;
3018 netdev_info(netdev,
3019 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3020 ring, readl(sds_ring->crb_sts_consumer),
3021 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3022 sds_ring->num_desc);
3023 }
3024
3025 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3026 tx_ring = &adapter->tx_ring[ring];
3027 if (!tx_ring)
3028 continue;
3029 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3030 ring, tx_ring->ctx_id);
3031 netdev_info(netdev,
3032 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3033 tx_ring->tx_stats.xmit_finished,
3034 tx_ring->tx_stats.xmit_called,
3035 tx_ring->tx_stats.xmit_on,
3036 tx_ring->tx_stats.xmit_off);
3037
3038 if (tx_ring->crb_intr_mask)
3039 netdev_info(netdev, "crb_intr_mask=%d\n",
3040 readl(tx_ring->crb_intr_mask));
3041
3042 netdev_info(netdev,
3043 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3044 readl(tx_ring->crb_cmd_producer),
3045 tx_ring->producer, tx_ring->sw_consumer,
3046 le32_to_cpu(*(tx_ring->hw_consumer)));
3047
3048 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3049 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3050
3051 if (netif_msg_tx_err(adapter->ahw))
3052 dump_tx_ring_desc(tx_ring);
3053 }
3054
3055 }
3056
3057 static void qlcnic_tx_timeout(struct net_device *netdev)
3058 {
3059 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3060
3061 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3062 return;
3063
3064 qlcnic_dump_rings(adapter);
3065
3066 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3067 netif_msg_tx_err(adapter->ahw)) {
3068 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3069 if (qlcnic_82xx_check(adapter))
3070 adapter->need_fw_reset = 1;
3071 else if (qlcnic_83xx_check(adapter))
3072 qlcnic_83xx_idc_request_reset(adapter,
3073 QLCNIC_FORCE_FW_DUMP_KEY);
3074 } else {
3075 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3076 adapter->ahw->reset_context = 1;
3077 }
3078 }
3079
3080 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3081 {
3082 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3083 struct net_device_stats *stats = &netdev->stats;
3084
3085 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3086 qlcnic_update_stats(adapter);
3087
3088 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3089 stats->tx_packets = adapter->stats.xmitfinished;
3090 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3091 stats->tx_bytes = adapter->stats.txbytes;
3092 stats->rx_dropped = adapter->stats.rxdropped;
3093 stats->tx_dropped = adapter->stats.txdropped;
3094
3095 return stats;
3096 }
3097
3098 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3099 {
3100 u32 status;
3101
3102 status = readl(adapter->isr_int_vec);
3103
3104 if (!(status & adapter->ahw->int_vec_bit))
3105 return IRQ_NONE;
3106
3107 /* check interrupt state machine, to be sure */
3108 status = readl(adapter->crb_int_state_reg);
3109 if (!ISR_LEGACY_INT_TRIGGERED(status))
3110 return IRQ_NONE;
3111
3112 writel(0xffffffff, adapter->tgt_status_reg);
3113 /* read twice to ensure write is flushed */
3114 readl(adapter->isr_int_vec);
3115 readl(adapter->isr_int_vec);
3116
3117 return IRQ_HANDLED;
3118 }
3119
3120 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3121 {
3122 struct qlcnic_host_sds_ring *sds_ring = data;
3123 struct qlcnic_adapter *adapter = sds_ring->adapter;
3124
3125 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3126 goto done;
3127 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3128 writel(0xffffffff, adapter->tgt_status_reg);
3129 goto done;
3130 }
3131
3132 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3133 return IRQ_NONE;
3134
3135 done:
3136 adapter->ahw->diag_cnt++;
3137 qlcnic_enable_sds_intr(adapter, sds_ring);
3138 return IRQ_HANDLED;
3139 }
3140
3141 static irqreturn_t qlcnic_intr(int irq, void *data)
3142 {
3143 struct qlcnic_host_sds_ring *sds_ring = data;
3144 struct qlcnic_adapter *adapter = sds_ring->adapter;
3145
3146 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3147 return IRQ_NONE;
3148
3149 napi_schedule(&sds_ring->napi);
3150
3151 return IRQ_HANDLED;
3152 }
3153
3154 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3155 {
3156 struct qlcnic_host_sds_ring *sds_ring = data;
3157 struct qlcnic_adapter *adapter = sds_ring->adapter;
3158
3159 /* clear interrupt */
3160 writel(0xffffffff, adapter->tgt_status_reg);
3161
3162 napi_schedule(&sds_ring->napi);
3163 return IRQ_HANDLED;
3164 }
3165
3166 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3167 {
3168 struct qlcnic_host_sds_ring *sds_ring = data;
3169
3170 napi_schedule(&sds_ring->napi);
3171 return IRQ_HANDLED;
3172 }
3173
3174 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3175 {
3176 struct qlcnic_host_tx_ring *tx_ring = data;
3177
3178 napi_schedule(&tx_ring->napi);
3179 return IRQ_HANDLED;
3180 }
3181
3182 #ifdef CONFIG_NET_POLL_CONTROLLER
3183 static void qlcnic_poll_controller(struct net_device *netdev)
3184 {
3185 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3186 struct qlcnic_host_sds_ring *sds_ring;
3187 struct qlcnic_recv_context *recv_ctx;
3188 struct qlcnic_host_tx_ring *tx_ring;
3189 int ring;
3190
3191 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3192 return;
3193
3194 recv_ctx = adapter->recv_ctx;
3195
3196 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3197 sds_ring = &recv_ctx->sds_rings[ring];
3198 qlcnic_disable_sds_intr(adapter, sds_ring);
3199 napi_schedule(&sds_ring->napi);
3200 }
3201
3202 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3203 /* Only Multi-Tx queue capable devices need to
3204 * schedule NAPI for TX rings
3205 */
3206 if ((qlcnic_83xx_check(adapter) &&
3207 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3208 (qlcnic_82xx_check(adapter) &&
3209 !qlcnic_check_multi_tx(adapter)))
3210 return;
3211
3212 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3213 tx_ring = &adapter->tx_ring[ring];
3214 qlcnic_disable_tx_intr(adapter, tx_ring);
3215 napi_schedule(&tx_ring->napi);
3216 }
3217 }
3218 }
3219 #endif
3220
3221 static void
3222 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3223 {
3224 u32 val;
3225
3226 val = adapter->portnum & 0xf;
3227 val |= encoding << 7;
3228 val |= (jiffies - adapter->dev_rst_time) << 8;
3229
3230 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3231 adapter->dev_rst_time = jiffies;
3232 }
3233
3234 static int
3235 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3236 {
3237 u32 val;
3238
3239 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3240 state != QLCNIC_DEV_NEED_QUISCENT);
3241
3242 if (qlcnic_api_lock(adapter))
3243 return -EIO;
3244
3245 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3246
3247 if (state == QLCNIC_DEV_NEED_RESET)
3248 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3249 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3250 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3251
3252 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3253
3254 qlcnic_api_unlock(adapter);
3255
3256 return 0;
3257 }
3258
3259 static int
3260 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3261 {
3262 u32 val;
3263
3264 if (qlcnic_api_lock(adapter))
3265 return -EBUSY;
3266
3267 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3268 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3269 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3270
3271 qlcnic_api_unlock(adapter);
3272
3273 return 0;
3274 }
3275
3276 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3277 {
3278 u32 val;
3279
3280 if (qlcnic_api_lock(adapter))
3281 goto err;
3282
3283 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3284 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3285 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3286
3287 if (failed) {
3288 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3289 QLCNIC_DEV_FAILED);
3290 dev_info(&adapter->pdev->dev,
3291 "Device state set to Failed. Please Reboot\n");
3292 } else if (!(val & 0x11111111))
3293 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3294 QLCNIC_DEV_COLD);
3295
3296 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3297 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3298 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3299
3300 qlcnic_api_unlock(adapter);
3301 err:
3302 adapter->fw_fail_cnt = 0;
3303 adapter->flags &= ~QLCNIC_FW_HANG;
3304 clear_bit(__QLCNIC_START_FW, &adapter->state);
3305 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3306 }
3307
3308 /* Grab api lock, before checking state */
3309 static int
3310 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3311 {
3312 int act, state, active_mask;
3313 struct qlcnic_hardware_context *ahw = adapter->ahw;
3314
3315 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3316 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3317
3318 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3319 active_mask = (~(1 << (ahw->pci_func * 4)));
3320 act = act & active_mask;
3321 }
3322
3323 if (((state & 0x11111111) == (act & 0x11111111)) ||
3324 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3325 return 0;
3326 else
3327 return 1;
3328 }
3329
3330 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3331 {
3332 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3333
3334 if (val != QLCNIC_DRV_IDC_VER) {
3335 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3336 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3337 }
3338
3339 return 0;
3340 }
3341
3342 static int
3343 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3344 {
3345 u32 val, prev_state;
3346 u8 dev_init_timeo = adapter->dev_init_timeo;
3347 u8 portnum = adapter->portnum;
3348 u8 ret;
3349
3350 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3351 return 1;
3352
3353 if (qlcnic_api_lock(adapter))
3354 return -1;
3355
3356 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3357 if (!(val & (1 << (portnum * 4)))) {
3358 QLC_DEV_SET_REF_CNT(val, portnum);
3359 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3360 }
3361
3362 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3363 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3364
3365 switch (prev_state) {
3366 case QLCNIC_DEV_COLD:
3367 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3368 QLCNIC_DEV_INITIALIZING);
3369 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3370 QLCNIC_DRV_IDC_VER);
3371 qlcnic_idc_debug_info(adapter, 0);
3372 qlcnic_api_unlock(adapter);
3373 return 1;
3374
3375 case QLCNIC_DEV_READY:
3376 ret = qlcnic_check_idc_ver(adapter);
3377 qlcnic_api_unlock(adapter);
3378 return ret;
3379
3380 case QLCNIC_DEV_NEED_RESET:
3381 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3382 QLC_DEV_SET_RST_RDY(val, portnum);
3383 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3384 break;
3385
3386 case QLCNIC_DEV_NEED_QUISCENT:
3387 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3388 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3389 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3390 break;
3391
3392 case QLCNIC_DEV_FAILED:
3393 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3394 qlcnic_api_unlock(adapter);
3395 return -1;
3396
3397 case QLCNIC_DEV_INITIALIZING:
3398 case QLCNIC_DEV_QUISCENT:
3399 break;
3400 }
3401
3402 qlcnic_api_unlock(adapter);
3403
3404 do {
3405 msleep(1000);
3406 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3407
3408 if (prev_state == QLCNIC_DEV_QUISCENT)
3409 continue;
3410 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3411
3412 if (!dev_init_timeo) {
3413 dev_err(&adapter->pdev->dev,
3414 "Waiting for device to initialize timeout\n");
3415 return -1;
3416 }
3417
3418 if (qlcnic_api_lock(adapter))
3419 return -1;
3420
3421 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3422 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3423 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3424
3425 ret = qlcnic_check_idc_ver(adapter);
3426 qlcnic_api_unlock(adapter);
3427
3428 return ret;
3429 }
3430
3431 static void
3432 qlcnic_fwinit_work(struct work_struct *work)
3433 {
3434 struct qlcnic_adapter *adapter = container_of(work,
3435 struct qlcnic_adapter, fw_work.work);
3436 u32 dev_state = 0xf;
3437 u32 val;
3438
3439 if (qlcnic_api_lock(adapter))
3440 goto err_ret;
3441
3442 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3443 if (dev_state == QLCNIC_DEV_QUISCENT ||
3444 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3445 qlcnic_api_unlock(adapter);
3446 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3447 FW_POLL_DELAY * 2);
3448 return;
3449 }
3450
3451 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3452 qlcnic_api_unlock(adapter);
3453 goto wait_npar;
3454 }
3455
3456 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3457 dev_state == QLCNIC_DEV_READY) {
3458 dev_info(&adapter->pdev->dev, "Detected state change from "
3459 "DEV_NEED_RESET, skipping ack check\n");
3460 goto skip_ack_check;
3461 }
3462
3463 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3464 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3465 adapter->reset_ack_timeo);
3466 goto skip_ack_check;
3467 }
3468
3469 if (!qlcnic_check_drv_state(adapter)) {
3470 skip_ack_check:
3471 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3472
3473 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3474 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3475 QLCNIC_DEV_INITIALIZING);
3476 set_bit(__QLCNIC_START_FW, &adapter->state);
3477 QLCDB(adapter, DRV, "Restarting fw\n");
3478 qlcnic_idc_debug_info(adapter, 0);
3479 val = QLC_SHARED_REG_RD32(adapter,
3480 QLCNIC_CRB_DRV_STATE);
3481 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3482 QLC_SHARED_REG_WR32(adapter,
3483 QLCNIC_CRB_DRV_STATE, val);
3484 }
3485
3486 qlcnic_api_unlock(adapter);
3487
3488 rtnl_lock();
3489 if (qlcnic_check_fw_dump_state(adapter) &&
3490 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3491 QLCDB(adapter, DRV, "Take FW dump\n");
3492 qlcnic_dump_fw(adapter);
3493 adapter->flags |= QLCNIC_FW_HANG;
3494 }
3495 rtnl_unlock();
3496
3497 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3498 if (!adapter->nic_ops->start_firmware(adapter)) {
3499 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3500 adapter->fw_wait_cnt = 0;
3501 return;
3502 }
3503 goto err_ret;
3504 }
3505
3506 qlcnic_api_unlock(adapter);
3507
3508 wait_npar:
3509 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3510 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3511
3512 switch (dev_state) {
3513 case QLCNIC_DEV_READY:
3514 if (!qlcnic_start_firmware(adapter)) {
3515 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3516 adapter->fw_wait_cnt = 0;
3517 return;
3518 }
3519 case QLCNIC_DEV_FAILED:
3520 break;
3521 default:
3522 qlcnic_schedule_work(adapter,
3523 qlcnic_fwinit_work, FW_POLL_DELAY);
3524 return;
3525 }
3526
3527 err_ret:
3528 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3529 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3530 netif_device_attach(adapter->netdev);
3531 qlcnic_clr_all_drv_state(adapter, 0);
3532 }
3533
3534 static void
3535 qlcnic_detach_work(struct work_struct *work)
3536 {
3537 struct qlcnic_adapter *adapter = container_of(work,
3538 struct qlcnic_adapter, fw_work.work);
3539 struct net_device *netdev = adapter->netdev;
3540 u32 status;
3541
3542 netif_device_detach(netdev);
3543
3544 /* Dont grab rtnl lock during Quiscent mode */
3545 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3546 if (netif_running(netdev))
3547 __qlcnic_down(adapter, netdev);
3548 } else
3549 qlcnic_down(adapter, netdev);
3550
3551 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3552
3553 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3554 dev_err(&adapter->pdev->dev,
3555 "Detaching the device: peg halt status1=0x%x\n",
3556 status);
3557
3558 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3559 dev_err(&adapter->pdev->dev,
3560 "On board active cooling fan failed. "
3561 "Device has been halted.\n");
3562 dev_err(&adapter->pdev->dev,
3563 "Replace the adapter.\n");
3564 }
3565
3566 goto err_ret;
3567 }
3568
3569 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3570 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3571 adapter->ahw->temp);
3572 goto err_ret;
3573 }
3574
3575 /* Dont ack if this instance is the reset owner */
3576 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3577 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3578 dev_err(&adapter->pdev->dev,
3579 "Failed to set driver state,"
3580 "detaching the device.\n");
3581 goto err_ret;
3582 }
3583 }
3584
3585 adapter->fw_wait_cnt = 0;
3586
3587 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3588
3589 return;
3590
3591 err_ret:
3592 netif_device_attach(netdev);
3593 qlcnic_clr_all_drv_state(adapter, 1);
3594 }
3595
3596 /*Transit NPAR state to NON Operational */
3597 static void
3598 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3599 {
3600 u32 state;
3601
3602 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3603 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3604 return;
3605
3606 if (qlcnic_api_lock(adapter))
3607 return;
3608 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3609 QLCNIC_DEV_NPAR_NON_OPER);
3610 qlcnic_api_unlock(adapter);
3611 }
3612
3613 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3614 u32 key)
3615 {
3616 u32 state, xg_val = 0, gb_val = 0;
3617
3618 qlcnic_xg_set_xg0_mask(xg_val);
3619 qlcnic_xg_set_xg1_mask(xg_val);
3620 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3621 qlcnic_gb_set_gb0_mask(gb_val);
3622 qlcnic_gb_set_gb1_mask(gb_val);
3623 qlcnic_gb_set_gb2_mask(gb_val);
3624 qlcnic_gb_set_gb3_mask(gb_val);
3625 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3626 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3627 " on all ports\n");
3628 adapter->need_fw_reset = 1;
3629
3630 if (qlcnic_api_lock(adapter))
3631 return;
3632
3633 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3634
3635 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3636 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3637 __func__);
3638 qlcnic_api_unlock(adapter);
3639
3640 return;
3641 }
3642
3643 if (state == QLCNIC_DEV_READY) {
3644 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3645 QLCNIC_DEV_NEED_RESET);
3646 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3647 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3648 qlcnic_idc_debug_info(adapter, 0);
3649 }
3650
3651 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3652 QLCNIC_DEV_NPAR_NON_OPER);
3653 qlcnic_api_unlock(adapter);
3654 }
3655
3656 /* Transit to NPAR READY state from NPAR NOT READY state */
3657 static void
3658 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3659 {
3660 if (qlcnic_api_lock(adapter))
3661 return;
3662
3663 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3664 QLCNIC_DEV_NPAR_OPER);
3665 QLCDB(adapter, DRV, "NPAR operational state set\n");
3666
3667 qlcnic_api_unlock(adapter);
3668 }
3669
3670 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3671 work_func_t func, int delay)
3672 {
3673 if (test_bit(__QLCNIC_AER, &adapter->state))
3674 return;
3675
3676 INIT_DELAYED_WORK(&adapter->fw_work, func);
3677 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3678 round_jiffies_relative(delay));
3679 }
3680
3681 static void
3682 qlcnic_attach_work(struct work_struct *work)
3683 {
3684 struct qlcnic_adapter *adapter = container_of(work,
3685 struct qlcnic_adapter, fw_work.work);
3686 struct net_device *netdev = adapter->netdev;
3687 u32 npar_state;
3688
3689 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3690 npar_state = QLC_SHARED_REG_RD32(adapter,
3691 QLCNIC_CRB_DEV_NPAR_STATE);
3692 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3693 qlcnic_clr_all_drv_state(adapter, 0);
3694 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3695 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3696 FW_POLL_DELAY);
3697 else
3698 goto attach;
3699 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3700 return;
3701 }
3702 attach:
3703 qlcnic_dcb_get_info(adapter->dcb);
3704
3705 if (netif_running(netdev)) {
3706 if (qlcnic_up(adapter, netdev))
3707 goto done;
3708
3709 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3710 }
3711
3712 done:
3713 netif_device_attach(netdev);
3714 adapter->fw_fail_cnt = 0;
3715 adapter->flags &= ~QLCNIC_FW_HANG;
3716 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3717 if (adapter->portnum == 0)
3718 qlcnic_set_drv_version(adapter);
3719
3720 if (!qlcnic_clr_drv_state(adapter))
3721 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3722 FW_POLL_DELAY);
3723 }
3724
3725 static int
3726 qlcnic_check_health(struct qlcnic_adapter *adapter)
3727 {
3728 struct qlcnic_hardware_context *ahw = adapter->ahw;
3729 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3730 u32 state = 0, heartbeat;
3731 u32 peg_status;
3732 int err = 0;
3733
3734 if (qlcnic_check_temp(adapter))
3735 goto detach;
3736
3737 if (adapter->need_fw_reset)
3738 qlcnic_dev_request_reset(adapter, 0);
3739
3740 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3741 if (state == QLCNIC_DEV_NEED_RESET) {
3742 qlcnic_set_npar_non_operational(adapter);
3743 adapter->need_fw_reset = 1;
3744 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3745 goto detach;
3746
3747 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3748 if (heartbeat != adapter->heartbeat) {
3749 adapter->heartbeat = heartbeat;
3750 adapter->fw_fail_cnt = 0;
3751 if (adapter->need_fw_reset)
3752 goto detach;
3753
3754 if (ahw->reset_context && qlcnic_auto_fw_reset)
3755 qlcnic_reset_hw_context(adapter);
3756
3757 return 0;
3758 }
3759
3760 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3761 return 0;
3762
3763 adapter->flags |= QLCNIC_FW_HANG;
3764
3765 qlcnic_dev_request_reset(adapter, 0);
3766
3767 if (qlcnic_auto_fw_reset)
3768 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3769
3770 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3771 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3772 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3773 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3774 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3775 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3776 "PEG_NET_4_PC: 0x%x\n",
3777 peg_status,
3778 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3779 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3780 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3781 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3782 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3783 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3784 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3785 dev_err(&adapter->pdev->dev,
3786 "Firmware aborted with error code 0x00006700. "
3787 "Device is being reset.\n");
3788 detach:
3789 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3790 QLCNIC_DEV_NEED_RESET;
3791
3792 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3793 &adapter->state)) {
3794
3795 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3796 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3797 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3798 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3799 qlcnic_dump_fw(adapter);
3800 }
3801
3802 return 1;
3803 }
3804
3805 void qlcnic_fw_poll_work(struct work_struct *work)
3806 {
3807 struct qlcnic_adapter *adapter = container_of(work,
3808 struct qlcnic_adapter, fw_work.work);
3809
3810 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3811 goto reschedule;
3812
3813
3814 if (qlcnic_check_health(adapter))
3815 return;
3816
3817 if (adapter->fhash.fnum)
3818 qlcnic_prune_lb_filters(adapter);
3819
3820 reschedule:
3821 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3822 }
3823
3824 static int qlcnic_is_first_func(struct pci_dev *pdev)
3825 {
3826 struct pci_dev *oth_pdev;
3827 int val = pdev->devfn;
3828
3829 while (val-- > 0) {
3830 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3831 (pdev->bus), pdev->bus->number,
3832 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3833 if (!oth_pdev)
3834 continue;
3835
3836 if (oth_pdev->current_state != PCI_D3cold) {
3837 pci_dev_put(oth_pdev);
3838 return 0;
3839 }
3840 pci_dev_put(oth_pdev);
3841 }
3842 return 1;
3843 }
3844
3845 static int qlcnic_attach_func(struct pci_dev *pdev)
3846 {
3847 int err, first_func;
3848 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3849 struct net_device *netdev = adapter->netdev;
3850
3851 pdev->error_state = pci_channel_io_normal;
3852
3853 err = pci_enable_device(pdev);
3854 if (err)
3855 return err;
3856
3857 pci_set_master(pdev);
3858 pci_restore_state(pdev);
3859
3860 first_func = qlcnic_is_first_func(pdev);
3861
3862 if (qlcnic_api_lock(adapter))
3863 return -EINVAL;
3864
3865 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3866 adapter->need_fw_reset = 1;
3867 set_bit(__QLCNIC_START_FW, &adapter->state);
3868 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3869 QLCNIC_DEV_INITIALIZING);
3870 QLCDB(adapter, DRV, "Restarting fw\n");
3871 }
3872 qlcnic_api_unlock(adapter);
3873
3874 err = qlcnic_start_firmware(adapter);
3875 if (err)
3876 return err;
3877
3878 qlcnic_clr_drv_state(adapter);
3879 kfree(adapter->msix_entries);
3880 adapter->msix_entries = NULL;
3881 err = qlcnic_setup_intr(adapter);
3882
3883 if (err) {
3884 kfree(adapter->msix_entries);
3885 netdev_err(netdev, "failed to setup interrupt\n");
3886 return err;
3887 }
3888
3889 if (netif_running(netdev)) {
3890 err = qlcnic_attach(adapter);
3891 if (err) {
3892 qlcnic_clr_all_drv_state(adapter, 1);
3893 clear_bit(__QLCNIC_AER, &adapter->state);
3894 netif_device_attach(netdev);
3895 return err;
3896 }
3897
3898 err = qlcnic_up(adapter, netdev);
3899 if (err)
3900 goto done;
3901
3902 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3903 }
3904 done:
3905 netif_device_attach(netdev);
3906 return err;
3907 }
3908
3909 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3910 pci_channel_state_t state)
3911 {
3912 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3913 struct net_device *netdev = adapter->netdev;
3914
3915 if (state == pci_channel_io_perm_failure)
3916 return PCI_ERS_RESULT_DISCONNECT;
3917
3918 if (state == pci_channel_io_normal)
3919 return PCI_ERS_RESULT_RECOVERED;
3920
3921 set_bit(__QLCNIC_AER, &adapter->state);
3922 netif_device_detach(netdev);
3923
3924 cancel_delayed_work_sync(&adapter->fw_work);
3925
3926 if (netif_running(netdev))
3927 qlcnic_down(adapter, netdev);
3928
3929 qlcnic_detach(adapter);
3930 qlcnic_teardown_intr(adapter);
3931
3932 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3933
3934 pci_save_state(pdev);
3935 pci_disable_device(pdev);
3936
3937 return PCI_ERS_RESULT_NEED_RESET;
3938 }
3939
3940 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3941 {
3942 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3943 PCI_ERS_RESULT_RECOVERED;
3944 }
3945
3946 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3947 {
3948 u32 state;
3949 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3950
3951 pci_cleanup_aer_uncorrect_error_status(pdev);
3952 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3953 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3954 &adapter->state))
3955 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3956 FW_POLL_DELAY);
3957 }
3958
3959 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3960 pci_channel_state_t state)
3961 {
3962 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3963 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3964
3965 if (hw_ops->io_error_detected) {
3966 return hw_ops->io_error_detected(pdev, state);
3967 } else {
3968 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3969 return PCI_ERS_RESULT_DISCONNECT;
3970 }
3971 }
3972
3973 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3974 {
3975 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3976 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3977
3978 if (hw_ops->io_slot_reset) {
3979 return hw_ops->io_slot_reset(pdev);
3980 } else {
3981 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3982 return PCI_ERS_RESULT_DISCONNECT;
3983 }
3984 }
3985
3986 static void qlcnic_io_resume(struct pci_dev *pdev)
3987 {
3988 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3989 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3990
3991 if (hw_ops->io_resume)
3992 hw_ops->io_resume(pdev);
3993 else
3994 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3995 }
3996
3997
3998 static int
3999 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
4000 {
4001 int err;
4002
4003 err = qlcnic_can_start_firmware(adapter);
4004 if (err)
4005 return err;
4006
4007 err = qlcnic_check_npar_opertional(adapter);
4008 if (err)
4009 return err;
4010
4011 err = qlcnic_initialize_nic(adapter);
4012 if (err)
4013 return err;
4014
4015 qlcnic_check_options(adapter);
4016
4017 err = qlcnic_set_eswitch_port_config(adapter);
4018 if (err)
4019 return err;
4020
4021 adapter->need_fw_reset = 0;
4022
4023 return err;
4024 }
4025
4026 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4027 int queue_type)
4028 {
4029 struct net_device *netdev = adapter->netdev;
4030 u8 max_hw_rings = 0;
4031 char buf[8];
4032 int cur_rings;
4033
4034 if (queue_type == QLCNIC_RX_QUEUE) {
4035 max_hw_rings = adapter->max_sds_rings;
4036 cur_rings = adapter->drv_sds_rings;
4037 strcpy(buf, "SDS");
4038 } else if (queue_type == QLCNIC_TX_QUEUE) {
4039 max_hw_rings = adapter->max_tx_rings;
4040 cur_rings = adapter->drv_tx_rings;
4041 strcpy(buf, "Tx");
4042 }
4043
4044 if (!is_power_of_2(ring_cnt)) {
4045 netdev_err(netdev, "%s rings value should be a power of 2\n",
4046 buf);
4047 return -EINVAL;
4048 }
4049
4050 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4051 !qlcnic_check_multi_tx(adapter)) {
4052 netdev_err(netdev, "No Multi Tx queue support\n");
4053 return -EINVAL;
4054 }
4055
4056 if (ring_cnt > num_online_cpus()) {
4057 netdev_err(netdev,
4058 "%s value[%u] should not be higher than, number of online CPUs\n",
4059 buf, num_online_cpus());
4060 return -EINVAL;
4061 }
4062
4063 return 0;
4064 }
4065
4066 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4067 {
4068 struct net_device *netdev = adapter->netdev;
4069 u8 tx_rings, rx_rings;
4070 int err;
4071
4072 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4073 return -EBUSY;
4074
4075 tx_rings = adapter->drv_tss_rings;
4076 rx_rings = adapter->drv_rss_rings;
4077
4078 netif_device_detach(netdev);
4079
4080 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4081 if (err)
4082 goto done;
4083
4084 if (netif_running(netdev))
4085 __qlcnic_down(adapter, netdev);
4086
4087 qlcnic_detach(adapter);
4088
4089 if (qlcnic_83xx_check(adapter)) {
4090 qlcnic_83xx_free_mbx_intr(adapter);
4091 qlcnic_83xx_enable_mbx_poll(adapter);
4092 }
4093
4094 qlcnic_teardown_intr(adapter);
4095
4096 err = qlcnic_setup_intr(adapter);
4097 if (err) {
4098 kfree(adapter->msix_entries);
4099 netdev_err(netdev, "failed to setup interrupt\n");
4100 return err;
4101 }
4102
4103 /* Check if we need to update real_num_{tx|rx}_queues because
4104 * qlcnic_setup_intr() may change Tx/Rx rings size
4105 */
4106 if ((tx_rings != adapter->drv_tx_rings) ||
4107 (rx_rings != adapter->drv_sds_rings)) {
4108 err = qlcnic_set_real_num_queues(adapter,
4109 adapter->drv_tx_rings,
4110 adapter->drv_sds_rings);
4111 if (err)
4112 goto done;
4113 }
4114
4115 if (qlcnic_83xx_check(adapter)) {
4116 qlcnic_83xx_initialize_nic(adapter, 1);
4117 err = qlcnic_83xx_setup_mbx_intr(adapter);
4118 qlcnic_83xx_disable_mbx_poll(adapter);
4119 if (err) {
4120 dev_err(&adapter->pdev->dev,
4121 "failed to setup mbx interrupt\n");
4122 goto done;
4123 }
4124 }
4125
4126 if (netif_running(netdev)) {
4127 err = qlcnic_attach(adapter);
4128 if (err)
4129 goto done;
4130 err = __qlcnic_up(adapter, netdev);
4131 if (err)
4132 goto done;
4133 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4134 }
4135 done:
4136 netif_device_attach(netdev);
4137 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4138 return err;
4139 }
4140
4141 #ifdef CONFIG_INET
4142
4143 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4144
4145 static void
4146 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4147 struct net_device *dev, unsigned long event)
4148 {
4149 struct in_device *indev;
4150
4151 indev = in_dev_get(dev);
4152 if (!indev)
4153 return;
4154
4155 for_ifa(indev) {
4156 switch (event) {
4157 case NETDEV_UP:
4158 qlcnic_config_ipaddr(adapter,
4159 ifa->ifa_address, QLCNIC_IP_UP);
4160 break;
4161 case NETDEV_DOWN:
4162 qlcnic_config_ipaddr(adapter,
4163 ifa->ifa_address, QLCNIC_IP_DOWN);
4164 break;
4165 default:
4166 break;
4167 }
4168 } endfor_ifa(indev);
4169
4170 in_dev_put(indev);
4171 }
4172
4173 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4174 {
4175 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4176 struct net_device *dev;
4177 u16 vid;
4178
4179 qlcnic_config_indev_addr(adapter, netdev, event);
4180
4181 rcu_read_lock();
4182 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4183 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4184 if (!dev)
4185 continue;
4186 qlcnic_config_indev_addr(adapter, dev, event);
4187 }
4188 rcu_read_unlock();
4189 }
4190
4191 static int qlcnic_netdev_event(struct notifier_block *this,
4192 unsigned long event, void *ptr)
4193 {
4194 struct qlcnic_adapter *adapter;
4195 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4196
4197 recheck:
4198 if (dev == NULL)
4199 goto done;
4200
4201 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4202 dev = vlan_dev_real_dev(dev);
4203 goto recheck;
4204 }
4205
4206 if (!is_qlcnic_netdev(dev))
4207 goto done;
4208
4209 adapter = netdev_priv(dev);
4210
4211 if (!adapter)
4212 goto done;
4213
4214 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4215 goto done;
4216
4217 qlcnic_config_indev_addr(adapter, dev, event);
4218 done:
4219 return NOTIFY_DONE;
4220 }
4221
4222 static int
4223 qlcnic_inetaddr_event(struct notifier_block *this,
4224 unsigned long event, void *ptr)
4225 {
4226 struct qlcnic_adapter *adapter;
4227 struct net_device *dev;
4228
4229 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4230
4231 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4232
4233 recheck:
4234 if (dev == NULL)
4235 goto done;
4236
4237 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4238 dev = vlan_dev_real_dev(dev);
4239 goto recheck;
4240 }
4241
4242 if (!is_qlcnic_netdev(dev))
4243 goto done;
4244
4245 adapter = netdev_priv(dev);
4246
4247 if (!adapter)
4248 goto done;
4249
4250 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4251 goto done;
4252
4253 switch (event) {
4254 case NETDEV_UP:
4255 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4256
4257 break;
4258 case NETDEV_DOWN:
4259 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4260
4261 break;
4262 default:
4263 break;
4264 }
4265
4266 done:
4267 return NOTIFY_DONE;
4268 }
4269
4270 static struct notifier_block qlcnic_netdev_cb = {
4271 .notifier_call = qlcnic_netdev_event,
4272 };
4273
4274 static struct notifier_block qlcnic_inetaddr_cb = {
4275 .notifier_call = qlcnic_inetaddr_event,
4276 };
4277 #else
4278 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4279 { }
4280 #endif
4281 static const struct pci_error_handlers qlcnic_err_handler = {
4282 .error_detected = qlcnic_io_error_detected,
4283 .slot_reset = qlcnic_io_slot_reset,
4284 .resume = qlcnic_io_resume,
4285 };
4286
4287 static struct pci_driver qlcnic_driver = {
4288 .name = qlcnic_driver_name,
4289 .id_table = qlcnic_pci_tbl,
4290 .probe = qlcnic_probe,
4291 .remove = qlcnic_remove,
4292 #ifdef CONFIG_PM
4293 .suspend = qlcnic_suspend,
4294 .resume = qlcnic_resume,
4295 #endif
4296 .shutdown = qlcnic_shutdown,
4297 .err_handler = &qlcnic_err_handler,
4298 #ifdef CONFIG_QLCNIC_SRIOV
4299 .sriov_configure = qlcnic_pci_sriov_configure,
4300 #endif
4301
4302 };
4303
4304 static int __init qlcnic_init_module(void)
4305 {
4306 int ret;
4307
4308 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4309
4310 #ifdef CONFIG_INET
4311 register_netdevice_notifier(&qlcnic_netdev_cb);
4312 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4313 #endif
4314
4315 ret = pci_register_driver(&qlcnic_driver);
4316 if (ret) {
4317 #ifdef CONFIG_INET
4318 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4319 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4320 #endif
4321 }
4322
4323 return ret;
4324 }
4325
4326 module_init(qlcnic_init_module);
4327
4328 static void __exit qlcnic_exit_module(void)
4329 {
4330 pci_unregister_driver(&qlcnic_driver);
4331
4332 #ifdef CONFIG_INET
4333 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4334 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4335 #endif
4336 }
4337
4338 module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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