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qlcnic: Removed adapter series name from warning messages.
[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
25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
26 MODULE_LICENSE("GPL");
27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30 char qlcnic_driver_name[] = "qlcnic";
31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
33
34 static int qlcnic_mac_learn;
35 module_param(qlcnic_mac_learn, int, 0444);
36 MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
38
39 int qlcnic_use_msi = 1;
40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
41 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
42
43 int qlcnic_use_msi_x = 1;
44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
46
47 int qlcnic_auto_fw_reset = 1;
48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
50
51 int qlcnic_load_fw_file;
52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
54
55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
56 static void qlcnic_remove(struct pci_dev *pdev);
57 static int qlcnic_open(struct net_device *netdev);
58 static int qlcnic_close(struct net_device *netdev);
59 static void qlcnic_tx_timeout(struct net_device *netdev);
60 static void qlcnic_attach_work(struct work_struct *work);
61 static void qlcnic_fwinit_work(struct work_struct *work);
62 #ifdef CONFIG_NET_POLL_CONTROLLER
63 static void qlcnic_poll_controller(struct net_device *netdev);
64 #endif
65
66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
68
69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
70 static irqreturn_t qlcnic_intr(int irq, void *data);
71 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
74
75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
76 static int qlcnic_start_firmware(struct qlcnic_adapter *);
77
78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
83
84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
85 {
86 struct qlcnic_hardware_context *ahw = adapter->ahw;
87
88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
90 else
91 return 1;
92 }
93
94 /* PCI Device ID Table */
95 #define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
98
99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
103 {0,}
104 };
105
106 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
107
108
109 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
110 {
111 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
112 }
113
114 static const u32 msi_tgt_status[8] = {
115 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
116 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
117 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
118 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
119 };
120
121 static const u32 qlcnic_reg_tbl[] = {
122 0x1B20A8, /* PEG_HALT_STAT1 */
123 0x1B20AC, /* PEG_HALT_STAT2 */
124 0x1B20B0, /* FW_HEARTBEAT */
125 0x1B2100, /* LOCK ID */
126 0x1B2128, /* FW_CAPABILITIES */
127 0x1B2138, /* drv active */
128 0x1B2140, /* dev state */
129 0x1B2144, /* drv state */
130 0x1B2148, /* drv scratch */
131 0x1B214C, /* dev partition info */
132 0x1B2174, /* drv idc ver */
133 0x1B2150, /* fw version major */
134 0x1B2154, /* fw version minor */
135 0x1B2158, /* fw version sub */
136 0x1B219C, /* npar state */
137 0x1B21FC, /* FW_IMG_VALID */
138 0x1B2250, /* CMD_PEG_STATE */
139 0x1B233C, /* RCV_PEG_STATE */
140 0x1B23B4, /* ASIC TEMP */
141 0x1B216C, /* FW api */
142 0x1B2170, /* drv op mode */
143 0x13C010, /* flash lock */
144 0x13C014, /* flash unlock */
145 };
146
147 static const struct qlcnic_board_info qlcnic_boards[] = {
148 { PCI_VENDOR_ID_QLOGIC,
149 PCI_DEVICE_ID_QLOGIC_QLE834X,
150 PCI_VENDOR_ID_QLOGIC,
151 0x24e,
152 "8300 Series Dual Port 10GbE Converged Network Adapter "
153 "(TCP/IP Networking)" },
154 { PCI_VENDOR_ID_QLOGIC,
155 PCI_DEVICE_ID_QLOGIC_QLE834X,
156 PCI_VENDOR_ID_QLOGIC,
157 0x243,
158 "8300 Series Single Port 10GbE Converged Network Adapter "
159 "(TCP/IP Networking)" },
160 { PCI_VENDOR_ID_QLOGIC,
161 PCI_DEVICE_ID_QLOGIC_QLE834X,
162 PCI_VENDOR_ID_QLOGIC,
163 0x24a,
164 "8300 Series Dual Port 10GbE Converged Network Adapter "
165 "(TCP/IP Networking)" },
166 { PCI_VENDOR_ID_QLOGIC,
167 PCI_DEVICE_ID_QLOGIC_QLE834X,
168 PCI_VENDOR_ID_QLOGIC,
169 0x246,
170 "8300 Series Dual Port 10GbE Converged Network Adapter "
171 "(TCP/IP Networking)" },
172 { PCI_VENDOR_ID_QLOGIC,
173 PCI_DEVICE_ID_QLOGIC_QLE834X,
174 PCI_VENDOR_ID_QLOGIC,
175 0x252,
176 "8300 Series Dual Port 10GbE Converged Network Adapter "
177 "(TCP/IP Networking)" },
178 { PCI_VENDOR_ID_QLOGIC,
179 PCI_DEVICE_ID_QLOGIC_QLE834X,
180 PCI_VENDOR_ID_QLOGIC,
181 0x26e,
182 "8300 Series Dual Port 10GbE Converged Network Adapter "
183 "(TCP/IP Networking)" },
184 { PCI_VENDOR_ID_QLOGIC,
185 PCI_DEVICE_ID_QLOGIC_QLE834X,
186 PCI_VENDOR_ID_QLOGIC,
187 0x260,
188 "8300 Series Dual Port 10GbE Converged Network Adapter "
189 "(TCP/IP Networking)" },
190 { PCI_VENDOR_ID_QLOGIC,
191 PCI_DEVICE_ID_QLOGIC_QLE834X,
192 PCI_VENDOR_ID_QLOGIC,
193 0x266,
194 "8300 Series Single Port 10GbE Converged Network Adapter "
195 "(TCP/IP Networking)" },
196 { PCI_VENDOR_ID_QLOGIC,
197 PCI_DEVICE_ID_QLOGIC_QLE834X,
198 PCI_VENDOR_ID_QLOGIC,
199 0x269,
200 "8300 Series Dual Port 10GbE Converged Network Adapter "
201 "(TCP/IP Networking)" },
202 { PCI_VENDOR_ID_QLOGIC,
203 PCI_DEVICE_ID_QLOGIC_QLE834X,
204 PCI_VENDOR_ID_QLOGIC,
205 0x271,
206 "8300 Series Dual Port 10GbE Converged Network Adapter "
207 "(TCP/IP Networking)" },
208 { PCI_VENDOR_ID_QLOGIC,
209 PCI_DEVICE_ID_QLOGIC_QLE834X,
210 0x0, 0x0, "8300 Series 1/10GbE Controller" },
211 { PCI_VENDOR_ID_QLOGIC,
212 PCI_DEVICE_ID_QLOGIC_QLE824X,
213 PCI_VENDOR_ID_QLOGIC,
214 0x203,
215 "8200 Series Single Port 10GbE Converged Network Adapter"
216 "(TCP/IP Networking)" },
217 { PCI_VENDOR_ID_QLOGIC,
218 PCI_DEVICE_ID_QLOGIC_QLE824X,
219 PCI_VENDOR_ID_QLOGIC,
220 0x207,
221 "8200 Series Dual Port 10GbE Converged Network Adapter"
222 "(TCP/IP Networking)" },
223 { PCI_VENDOR_ID_QLOGIC,
224 PCI_DEVICE_ID_QLOGIC_QLE824X,
225 PCI_VENDOR_ID_QLOGIC,
226 0x20b,
227 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE824X,
230 PCI_VENDOR_ID_QLOGIC,
231 0x20c,
232 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
233 { PCI_VENDOR_ID_QLOGIC,
234 PCI_DEVICE_ID_QLOGIC_QLE824X,
235 PCI_VENDOR_ID_QLOGIC,
236 0x20f,
237 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
238 { PCI_VENDOR_ID_QLOGIC,
239 PCI_DEVICE_ID_QLOGIC_QLE824X,
240 0x103c, 0x3733,
241 "NC523SFP 10Gb 2-port Server Adapter" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 0x103c, 0x3346,
245 "CN1000Q Dual Port Converged Network Adapter" },
246 { PCI_VENDOR_ID_QLOGIC,
247 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 PCI_VENDOR_ID_QLOGIC,
249 0x210,
250 "QME8242-k 10GbE Dual Port Mezzanine Card" },
251 { PCI_VENDOR_ID_QLOGIC,
252 PCI_DEVICE_ID_QLOGIC_QLE824X,
253 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
254 };
255
256 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
257 #define QLC_MAX_SDS_RINGS 8
258
259 static const
260 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
261
262 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
263 {
264 int size = sizeof(struct qlcnic_host_sds_ring) * count;
265
266 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
267
268 return recv_ctx->sds_rings == NULL;
269 }
270
271 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
272 {
273 if (recv_ctx->sds_rings != NULL)
274 kfree(recv_ctx->sds_rings);
275
276 recv_ctx->sds_rings = NULL;
277 }
278
279 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
280 {
281 u8 mac_addr[ETH_ALEN];
282 struct net_device *netdev = adapter->netdev;
283 struct pci_dev *pdev = adapter->pdev;
284
285 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
286 return -EIO;
287
288 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
289 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
290
291 /* set station address */
292
293 if (!is_valid_ether_addr(netdev->dev_addr))
294 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
295 netdev->dev_addr);
296
297 return 0;
298 }
299
300 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
301 {
302 struct qlcnic_mac_list_s *cur;
303 struct list_head *head;
304
305 list_for_each(head, &adapter->mac_list) {
306 cur = list_entry(head, struct qlcnic_mac_list_s, list);
307 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
308 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
309 0, QLCNIC_MAC_DEL);
310 list_del(&cur->list);
311 kfree(cur);
312 return;
313 }
314 }
315 }
316
317 static int qlcnic_set_mac(struct net_device *netdev, void *p)
318 {
319 struct qlcnic_adapter *adapter = netdev_priv(netdev);
320 struct sockaddr *addr = p;
321
322 if (qlcnic_sriov_vf_check(adapter))
323 return -EINVAL;
324
325 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
326 return -EOPNOTSUPP;
327
328 if (!is_valid_ether_addr(addr->sa_data))
329 return -EINVAL;
330
331 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
332 return 0;
333
334 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
335 netif_device_detach(netdev);
336 qlcnic_napi_disable(adapter);
337 }
338
339 qlcnic_delete_adapter_mac(adapter);
340 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
341 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
342 qlcnic_set_multi(adapter->netdev);
343
344 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
345 netif_device_attach(netdev);
346 qlcnic_napi_enable(adapter);
347 }
348 return 0;
349 }
350
351 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
352 struct net_device *netdev, const unsigned char *addr)
353 {
354 struct qlcnic_adapter *adapter = netdev_priv(netdev);
355 int err = -EOPNOTSUPP;
356
357 if (!adapter->fdb_mac_learn)
358 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
359
360 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
361 if (is_unicast_ether_addr(addr)) {
362 err = dev_uc_del(netdev, addr);
363 if (!err)
364 err = qlcnic_nic_del_mac(adapter, addr);
365 } else if (is_multicast_ether_addr(addr)) {
366 err = dev_mc_del(netdev, addr);
367 } else {
368 err = -EINVAL;
369 }
370 }
371 return err;
372 }
373
374 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
375 struct net_device *netdev,
376 const unsigned char *addr, u16 flags)
377 {
378 struct qlcnic_adapter *adapter = netdev_priv(netdev);
379 int err = 0;
380
381 if (!adapter->fdb_mac_learn)
382 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
383
384 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
385 pr_info("%s: FDB e-switch is not enabled\n", __func__);
386 return -EOPNOTSUPP;
387 }
388
389 if (ether_addr_equal(addr, adapter->mac_addr))
390 return err;
391
392 if (is_unicast_ether_addr(addr)) {
393 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
394 err = dev_uc_add_excl(netdev, addr);
395 else
396 err = -ENOMEM;
397 } else if (is_multicast_ether_addr(addr)) {
398 err = dev_mc_add_excl(netdev, addr);
399 } else {
400 err = -EINVAL;
401 }
402
403 return err;
404 }
405
406 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
407 struct net_device *netdev, int idx)
408 {
409 struct qlcnic_adapter *adapter = netdev_priv(netdev);
410
411 if (!adapter->fdb_mac_learn)
412 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
413
414 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
415 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
416
417 return idx;
418 }
419
420 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
421 {
422 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
423 usleep_range(10000, 11000);
424
425 cancel_delayed_work_sync(&adapter->fw_work);
426 }
427
428 static const struct net_device_ops qlcnic_netdev_ops = {
429 .ndo_open = qlcnic_open,
430 .ndo_stop = qlcnic_close,
431 .ndo_start_xmit = qlcnic_xmit_frame,
432 .ndo_get_stats = qlcnic_get_stats,
433 .ndo_validate_addr = eth_validate_addr,
434 .ndo_set_rx_mode = qlcnic_set_multi,
435 .ndo_set_mac_address = qlcnic_set_mac,
436 .ndo_change_mtu = qlcnic_change_mtu,
437 .ndo_fix_features = qlcnic_fix_features,
438 .ndo_set_features = qlcnic_set_features,
439 .ndo_tx_timeout = qlcnic_tx_timeout,
440 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
441 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
442 .ndo_fdb_add = qlcnic_fdb_add,
443 .ndo_fdb_del = qlcnic_fdb_del,
444 .ndo_fdb_dump = qlcnic_fdb_dump,
445 #ifdef CONFIG_NET_POLL_CONTROLLER
446 .ndo_poll_controller = qlcnic_poll_controller,
447 #endif
448 #ifdef CONFIG_QLCNIC_SRIOV
449 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
450 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
451 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
452 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
453 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
454 #endif
455 };
456
457 static const struct net_device_ops qlcnic_netdev_failed_ops = {
458 .ndo_open = qlcnic_open,
459 };
460
461 static struct qlcnic_nic_template qlcnic_ops = {
462 .config_bridged_mode = qlcnic_config_bridged_mode,
463 .config_led = qlcnic_82xx_config_led,
464 .start_firmware = qlcnic_82xx_start_firmware,
465 .request_reset = qlcnic_82xx_dev_request_reset,
466 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
467 .napi_add = qlcnic_82xx_napi_add,
468 .napi_del = qlcnic_82xx_napi_del,
469 .config_ipaddr = qlcnic_82xx_config_ipaddr,
470 .shutdown = qlcnic_82xx_shutdown,
471 .resume = qlcnic_82xx_resume,
472 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
473 };
474
475 struct qlcnic_nic_template qlcnic_vf_ops = {
476 .config_bridged_mode = qlcnicvf_config_bridged_mode,
477 .config_led = qlcnicvf_config_led,
478 .start_firmware = qlcnicvf_start_firmware
479 };
480
481 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
482 .read_crb = qlcnic_82xx_read_crb,
483 .write_crb = qlcnic_82xx_write_crb,
484 .read_reg = qlcnic_82xx_hw_read_wx_2M,
485 .write_reg = qlcnic_82xx_hw_write_wx_2M,
486 .get_mac_address = qlcnic_82xx_get_mac_address,
487 .setup_intr = qlcnic_82xx_setup_intr,
488 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
489 .mbx_cmd = qlcnic_82xx_issue_cmd,
490 .get_func_no = qlcnic_82xx_get_func_no,
491 .api_lock = qlcnic_82xx_api_lock,
492 .api_unlock = qlcnic_82xx_api_unlock,
493 .add_sysfs = qlcnic_82xx_add_sysfs,
494 .remove_sysfs = qlcnic_82xx_remove_sysfs,
495 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
496 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
497 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
498 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
499 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
500 .setup_link_event = qlcnic_82xx_linkevent_request,
501 .get_nic_info = qlcnic_82xx_get_nic_info,
502 .get_pci_info = qlcnic_82xx_get_pci_info,
503 .set_nic_info = qlcnic_82xx_set_nic_info,
504 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
505 .napi_enable = qlcnic_82xx_napi_enable,
506 .napi_disable = qlcnic_82xx_napi_disable,
507 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
508 .config_rss = qlcnic_82xx_config_rss,
509 .config_hw_lro = qlcnic_82xx_config_hw_lro,
510 .config_loopback = qlcnic_82xx_set_lb_mode,
511 .clear_loopback = qlcnic_82xx_clear_lb_mode,
512 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
513 .change_l2_filter = qlcnic_82xx_change_filter,
514 .get_board_info = qlcnic_82xx_get_board_info,
515 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
516 .free_mac_list = qlcnic_82xx_free_mac_list,
517 };
518
519 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
520 {
521 struct pci_dev *pdev = adapter->pdev;
522 int err = -1, i;
523 int max_tx_rings, tx_vector;
524
525 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
526 max_tx_rings = 0;
527 tx_vector = 0;
528 } else {
529 max_tx_rings = adapter->max_drv_tx_rings;
530 tx_vector = 1;
531 }
532
533 if (!adapter->msix_entries) {
534 adapter->msix_entries = kcalloc(num_msix,
535 sizeof(struct msix_entry),
536 GFP_KERNEL);
537 if (!adapter->msix_entries)
538 return -ENOMEM;
539 }
540
541 adapter->max_sds_rings = 1;
542 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
543
544 if (adapter->ahw->msix_supported) {
545 enable_msix:
546 for (i = 0; i < num_msix; i++)
547 adapter->msix_entries[i].entry = i;
548 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
549 if (err == 0) {
550 adapter->flags |= QLCNIC_MSIX_ENABLED;
551 if (qlcnic_83xx_check(adapter)) {
552 adapter->ahw->num_msix = num_msix;
553 /* subtract mail box and tx ring vectors */
554 adapter->max_sds_rings = num_msix -
555 max_tx_rings - 1;
556 } else {
557 adapter->max_sds_rings = num_msix;
558 }
559 dev_info(&pdev->dev, "using msi-x interrupts\n");
560 return err;
561 } else if (err > 0) {
562 dev_info(&pdev->dev,
563 "Unable to allocate %d MSI-X interrupt vectors\n",
564 num_msix);
565 if (qlcnic_83xx_check(adapter)) {
566 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
567 return err;
568 err -= (max_tx_rings + 1);
569 num_msix = rounddown_pow_of_two(err);
570 num_msix += (max_tx_rings + 1);
571 } else {
572 num_msix = rounddown_pow_of_two(err);
573 }
574
575 if (num_msix) {
576 dev_info(&pdev->dev,
577 "Trying to allocate %d MSI-X interrupt vectors\n",
578 num_msix);
579 goto enable_msix;
580 }
581 } else {
582 dev_info(&pdev->dev,
583 "Unable to allocate %d MSI-X interrupt vectors\n",
584 num_msix);
585 }
586 }
587
588 return err;
589 }
590
591 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
592 {
593 int err = 0;
594 u32 offset, mask_reg;
595 const struct qlcnic_legacy_intr_set *legacy_intrp;
596 struct qlcnic_hardware_context *ahw = adapter->ahw;
597 struct pci_dev *pdev = adapter->pdev;
598
599 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
600 adapter->flags |= QLCNIC_MSI_ENABLED;
601 offset = msi_tgt_status[adapter->ahw->pci_func];
602 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
603 offset);
604 dev_info(&pdev->dev, "using msi interrupts\n");
605 adapter->msix_entries[0].vector = pdev->irq;
606 return err;
607 }
608 if (qlcnic_use_msi || qlcnic_use_msi_x)
609 return -EOPNOTSUPP;
610
611 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
612 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
613 offset = legacy_intrp->tgt_status_reg;
614 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
615 mask_reg = legacy_intrp->tgt_mask_reg;
616 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
617 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
618 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
619 dev_info(&pdev->dev, "using legacy interrupts\n");
620 adapter->msix_entries[0].vector = pdev->irq;
621 return err;
622 }
623
624 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
625 {
626 int num_msix, err = 0;
627
628 if (!num_intr)
629 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
630
631 if (adapter->ahw->msix_supported)
632 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
633 num_intr));
634 else
635 num_msix = 1;
636
637 err = qlcnic_enable_msix(adapter, num_msix);
638 if (err == -ENOMEM || !err)
639 return err;
640
641 err = qlcnic_enable_msi_legacy(adapter);
642 if (!err)
643 return err;
644
645 return -EIO;
646 }
647
648 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
649 {
650 if (adapter->flags & QLCNIC_MSIX_ENABLED)
651 pci_disable_msix(adapter->pdev);
652 if (adapter->flags & QLCNIC_MSI_ENABLED)
653 pci_disable_msi(adapter->pdev);
654
655 kfree(adapter->msix_entries);
656 adapter->msix_entries = NULL;
657
658 if (adapter->ahw->intr_tbl) {
659 vfree(adapter->ahw->intr_tbl);
660 adapter->ahw->intr_tbl = NULL;
661 }
662 }
663
664 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
665 {
666 if (ahw->pci_base0 != NULL)
667 iounmap(ahw->pci_base0);
668 }
669
670 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
671 {
672 struct qlcnic_pci_info *pci_info;
673 int ret;
674
675 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
676 switch (adapter->ahw->port_type) {
677 case QLCNIC_GBE:
678 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
679 break;
680 case QLCNIC_XGBE:
681 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
682 break;
683 }
684 return 0;
685 }
686
687 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
688 return 0;
689
690 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
691 if (!pci_info)
692 return -ENOMEM;
693
694 ret = qlcnic_get_pci_info(adapter, pci_info);
695 kfree(pci_info);
696 return ret;
697 }
698
699 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
700 {
701 struct qlcnic_pci_info *pci_info;
702 int i, ret = 0, j = 0;
703 u16 act_pci_func;
704 u8 pfn;
705
706 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
707 if (!pci_info)
708 return -ENOMEM;
709
710 ret = qlcnic_get_pci_info(adapter, pci_info);
711 if (ret)
712 goto err_pci_info;
713
714 act_pci_func = adapter->ahw->act_pci_func;
715
716 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
717 act_pci_func, GFP_KERNEL);
718 if (!adapter->npars) {
719 ret = -ENOMEM;
720 goto err_pci_info;
721 }
722
723 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
724 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
725 if (!adapter->eswitch) {
726 ret = -ENOMEM;
727 goto err_npars;
728 }
729
730 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
731 pfn = pci_info[i].id;
732
733 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
734 ret = QL_STATUS_INVALID_PARAM;
735 goto err_eswitch;
736 }
737
738 if (!pci_info[i].active ||
739 (pci_info[i].type != QLCNIC_TYPE_NIC))
740 continue;
741
742 adapter->npars[j].pci_func = pfn;
743 adapter->npars[j].active = (u8)pci_info[i].active;
744 adapter->npars[j].type = (u8)pci_info[i].type;
745 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
746 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
747 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
748 j++;
749 }
750
751 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
752 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
753 if (qlcnic_83xx_check(adapter))
754 qlcnic_enable_eswitch(adapter, i, 1);
755 }
756
757 kfree(pci_info);
758 return 0;
759
760 err_eswitch:
761 kfree(adapter->eswitch);
762 adapter->eswitch = NULL;
763 err_npars:
764 kfree(adapter->npars);
765 adapter->npars = NULL;
766 err_pci_info:
767 kfree(pci_info);
768
769 return ret;
770 }
771
772 static int
773 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
774 {
775 u8 id;
776 int ret;
777 u32 data = QLCNIC_MGMT_FUNC;
778 struct qlcnic_hardware_context *ahw = adapter->ahw;
779
780 ret = qlcnic_api_lock(adapter);
781 if (ret)
782 goto err_lock;
783
784 id = ahw->pci_func;
785 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
786 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
787 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
788 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
789 qlcnic_api_unlock(adapter);
790 err_lock:
791 return ret;
792 }
793
794 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
795 const struct pci_device_id *ent)
796 {
797 u32 op_mode, priv_level;
798
799 /* Determine FW API version */
800 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
801 QLCNIC_FW_API);
802
803 /* Find PCI function number */
804 qlcnic_get_func_no(adapter);
805
806 /* Determine function privilege level */
807 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
808 if (op_mode == QLC_DEV_DRV_DEFAULT)
809 priv_level = QLCNIC_MGMT_FUNC;
810 else
811 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
812
813 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
814 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
815 dev_info(&adapter->pdev->dev,
816 "HAL Version: %d Non Privileged function\n",
817 adapter->ahw->fw_hal_version);
818 adapter->nic_ops = &qlcnic_vf_ops;
819 } else
820 adapter->nic_ops = &qlcnic_ops;
821 }
822
823 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
824 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
825 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
826 {
827 switch (dev_id) {
828 case PCI_DEVICE_ID_QLOGIC_QLE824X:
829 *bar = QLCNIC_82XX_BAR0_LENGTH;
830 break;
831 case PCI_DEVICE_ID_QLOGIC_QLE834X:
832 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
833 *bar = QLCNIC_83XX_BAR0_LENGTH;
834 break;
835 default:
836 *bar = 0;
837 }
838 }
839
840 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
841 struct qlcnic_hardware_context *ahw)
842 {
843 u32 offset;
844 void __iomem *mem_ptr0 = NULL;
845 unsigned long mem_len, pci_len0 = 0, bar0_len;
846
847 /* remap phys address */
848 mem_len = pci_resource_len(pdev, 0);
849
850 qlcnic_get_bar_length(pdev->device, &bar0_len);
851 if (mem_len >= bar0_len) {
852
853 mem_ptr0 = pci_ioremap_bar(pdev, 0);
854 if (mem_ptr0 == NULL) {
855 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
856 return -EIO;
857 }
858 pci_len0 = mem_len;
859 } else {
860 return -EIO;
861 }
862
863 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
864
865 ahw->pci_base0 = mem_ptr0;
866 ahw->pci_len0 = pci_len0;
867 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
868 qlcnic_get_ioaddr(ahw, offset);
869
870 return 0;
871 }
872
873 static inline bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
874 int index)
875 {
876 struct pci_dev *pdev = adapter->pdev;
877 unsigned short subsystem_vendor;
878 bool ret = true;
879
880 subsystem_vendor = pdev->subsystem_vendor;
881
882 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
883 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
884 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
885 qlcnic_boards[index].sub_device == pdev->subsystem_device)
886 ret = true;
887 else
888 ret = false;
889 }
890
891 return ret;
892 }
893
894 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
895 {
896 struct pci_dev *pdev = adapter->pdev;
897 int i, found = 0;
898
899 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
900 if (qlcnic_boards[i].vendor == pdev->vendor &&
901 qlcnic_boards[i].device == pdev->device &&
902 qlcnic_validate_subsystem_id(adapter, i)) {
903 found = 1;
904 break;
905 }
906 }
907
908 if (!found)
909 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
910 else
911 sprintf(name, "%pM: %s" , adapter->mac_addr,
912 qlcnic_boards[i].short_name);
913 }
914
915 static void
916 qlcnic_check_options(struct qlcnic_adapter *adapter)
917 {
918 int err;
919 u32 fw_major, fw_minor, fw_build, prev_fw_version;
920 struct pci_dev *pdev = adapter->pdev;
921 struct qlcnic_hardware_context *ahw = adapter->ahw;
922 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
923
924 prev_fw_version = adapter->fw_version;
925
926 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
927 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
928 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
929
930 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
931
932 err = qlcnic_get_board_info(adapter);
933 if (err) {
934 dev_err(&pdev->dev, "Error getting board config info.\n");
935 return;
936 }
937 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
938 if (fw_dump->tmpl_hdr == NULL ||
939 adapter->fw_version > prev_fw_version) {
940 if (fw_dump->tmpl_hdr)
941 vfree(fw_dump->tmpl_hdr);
942 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
943 dev_info(&pdev->dev,
944 "Supports FW dump capability\n");
945 }
946 }
947
948 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
949 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
950
951 if (adapter->ahw->port_type == QLCNIC_XGBE) {
952 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
953 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
954 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
955 } else {
956 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
957 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
958 }
959
960 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
961 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
962
963 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
964 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
965 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
966 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
967 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
968 }
969
970 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
971
972 adapter->num_txd = MAX_CMD_DESCRIPTORS;
973
974 adapter->max_rds_rings = MAX_RDS_RINGS;
975 }
976
977 static int
978 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
979 {
980 int err;
981 struct qlcnic_info nic_info;
982
983 memset(&nic_info, 0, sizeof(struct qlcnic_info));
984 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
985 if (err)
986 return err;
987
988 adapter->ahw->physical_port = (u8)nic_info.phys_port;
989 adapter->ahw->switch_mode = nic_info.switch_mode;
990 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
991 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
992 adapter->ahw->capabilities = nic_info.capabilities;
993
994 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
995 u32 temp;
996 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
997 adapter->ahw->extra_capability[0] = temp;
998 }
999 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1000 adapter->ahw->max_mtu = nic_info.max_mtu;
1001
1002 /* Disable NPAR for 83XX */
1003 if (qlcnic_83xx_check(adapter))
1004 return err;
1005
1006 if (adapter->ahw->capabilities & BIT_6)
1007 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1008 else
1009 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1010
1011 return err;
1012 }
1013
1014 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1015 struct qlcnic_esw_func_cfg *esw_cfg)
1016 {
1017 if (esw_cfg->discard_tagged)
1018 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1019 else
1020 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1021
1022 if (esw_cfg->vlan_id) {
1023 adapter->rx_pvid = esw_cfg->vlan_id;
1024 adapter->tx_pvid = esw_cfg->vlan_id;
1025 } else {
1026 adapter->rx_pvid = 0;
1027 adapter->tx_pvid = 0;
1028 }
1029 }
1030
1031 static int
1032 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1033 {
1034 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1035 int err;
1036
1037 if (qlcnic_sriov_vf_check(adapter)) {
1038 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1039 if (err) {
1040 netdev_err(netdev,
1041 "Cannot add VLAN filter for VLAN id %d, err=%d",
1042 vid, err);
1043 return err;
1044 }
1045 }
1046
1047 set_bit(vid, adapter->vlans);
1048 return 0;
1049 }
1050
1051 static int
1052 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1053 {
1054 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1055 int err;
1056
1057 if (qlcnic_sriov_vf_check(adapter)) {
1058 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1059 if (err) {
1060 netdev_err(netdev,
1061 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1062 vid, err);
1063 return err;
1064 }
1065 }
1066
1067 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1068 clear_bit(vid, adapter->vlans);
1069 return 0;
1070 }
1071
1072 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1073 struct qlcnic_esw_func_cfg *esw_cfg)
1074 {
1075 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1076 QLCNIC_PROMISC_DISABLED);
1077
1078 if (esw_cfg->mac_anti_spoof)
1079 adapter->flags |= QLCNIC_MACSPOOF;
1080
1081 if (!esw_cfg->mac_override)
1082 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1083
1084 if (!esw_cfg->promisc_mode)
1085 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1086 }
1087
1088 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1089 {
1090 struct qlcnic_esw_func_cfg esw_cfg;
1091
1092 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1093 return 0;
1094
1095 esw_cfg.pci_func = adapter->ahw->pci_func;
1096 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1097 return -EIO;
1098 qlcnic_set_vlan_config(adapter, &esw_cfg);
1099 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1100 qlcnic_set_netdev_features(adapter, &esw_cfg);
1101
1102 return 0;
1103 }
1104
1105 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1106 struct qlcnic_esw_func_cfg *esw_cfg)
1107 {
1108 struct net_device *netdev = adapter->netdev;
1109
1110 if (qlcnic_83xx_check(adapter))
1111 return;
1112
1113 adapter->offload_flags = esw_cfg->offload_flags;
1114 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1115 netdev_update_features(netdev);
1116 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1117 }
1118
1119 static int
1120 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1121 {
1122 u32 op_mode, priv_level;
1123 int err = 0;
1124
1125 err = qlcnic_initialize_nic(adapter);
1126 if (err)
1127 return err;
1128
1129 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1130 return 0;
1131
1132 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1133 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1134
1135 if (op_mode == QLC_DEV_DRV_DEFAULT)
1136 priv_level = QLCNIC_MGMT_FUNC;
1137 else
1138 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1139
1140 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1141 if (priv_level == QLCNIC_MGMT_FUNC) {
1142 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1143 err = qlcnic_init_pci_info(adapter);
1144 if (err)
1145 return err;
1146 /* Set privilege level for other functions */
1147 qlcnic_set_function_modes(adapter);
1148 dev_info(&adapter->pdev->dev,
1149 "HAL Version: %d, Management function\n",
1150 adapter->ahw->fw_hal_version);
1151 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1152 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1153 dev_info(&adapter->pdev->dev,
1154 "HAL Version: %d, Privileged function\n",
1155 adapter->ahw->fw_hal_version);
1156 }
1157 }
1158
1159 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1160
1161 return err;
1162 }
1163
1164 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1165 {
1166 struct qlcnic_esw_func_cfg esw_cfg;
1167 struct qlcnic_npar_info *npar;
1168 u8 i;
1169
1170 if (adapter->need_fw_reset)
1171 return 0;
1172
1173 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1174 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1175 esw_cfg.pci_func = adapter->npars[i].pci_func;
1176 esw_cfg.mac_override = BIT_0;
1177 esw_cfg.promisc_mode = BIT_0;
1178 if (qlcnic_82xx_check(adapter)) {
1179 esw_cfg.offload_flags = BIT_0;
1180 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1181 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1182 }
1183 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1184 return -EIO;
1185 npar = &adapter->npars[i];
1186 npar->pvid = esw_cfg.vlan_id;
1187 npar->mac_override = esw_cfg.mac_override;
1188 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1189 npar->discard_tagged = esw_cfg.discard_tagged;
1190 npar->promisc_mode = esw_cfg.promisc_mode;
1191 npar->offload_flags = esw_cfg.offload_flags;
1192 }
1193
1194 return 0;
1195 }
1196
1197
1198 static int
1199 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1200 struct qlcnic_npar_info *npar, int pci_func)
1201 {
1202 struct qlcnic_esw_func_cfg esw_cfg;
1203 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1204 esw_cfg.pci_func = pci_func;
1205 esw_cfg.vlan_id = npar->pvid;
1206 esw_cfg.mac_override = npar->mac_override;
1207 esw_cfg.discard_tagged = npar->discard_tagged;
1208 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1209 esw_cfg.offload_flags = npar->offload_flags;
1210 esw_cfg.promisc_mode = npar->promisc_mode;
1211 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1212 return -EIO;
1213
1214 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1215 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1216 return -EIO;
1217
1218 return 0;
1219 }
1220
1221 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1222 {
1223 int i, err;
1224 struct qlcnic_npar_info *npar;
1225 struct qlcnic_info nic_info;
1226 u8 pci_func;
1227
1228 if (qlcnic_82xx_check(adapter))
1229 if (!adapter->need_fw_reset)
1230 return 0;
1231
1232 /* Set the NPAR config data after FW reset */
1233 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1234 npar = &adapter->npars[i];
1235 pci_func = npar->pci_func;
1236 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1237 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1238 if (err)
1239 return err;
1240 nic_info.min_tx_bw = npar->min_bw;
1241 nic_info.max_tx_bw = npar->max_bw;
1242 err = qlcnic_set_nic_info(adapter, &nic_info);
1243 if (err)
1244 return err;
1245
1246 if (npar->enable_pm) {
1247 err = qlcnic_config_port_mirroring(adapter,
1248 npar->dest_npar, 1,
1249 pci_func);
1250 if (err)
1251 return err;
1252 }
1253 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1254 if (err)
1255 return err;
1256 }
1257 return 0;
1258 }
1259
1260 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1261 {
1262 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1263 u32 npar_state;
1264
1265 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1266 return 0;
1267
1268 npar_state = QLC_SHARED_REG_RD32(adapter,
1269 QLCNIC_CRB_DEV_NPAR_STATE);
1270 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1271 msleep(1000);
1272 npar_state = QLC_SHARED_REG_RD32(adapter,
1273 QLCNIC_CRB_DEV_NPAR_STATE);
1274 }
1275 if (!npar_opt_timeo) {
1276 dev_err(&adapter->pdev->dev,
1277 "Waiting for NPAR state to operational timeout\n");
1278 return -EIO;
1279 }
1280 return 0;
1281 }
1282
1283 static int
1284 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1285 {
1286 int err;
1287
1288 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1289 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1290 return 0;
1291
1292 err = qlcnic_set_default_offload_settings(adapter);
1293 if (err)
1294 return err;
1295
1296 err = qlcnic_reset_npar_config(adapter);
1297 if (err)
1298 return err;
1299
1300 qlcnic_dev_set_npar_ready(adapter);
1301
1302 return err;
1303 }
1304
1305 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1306 {
1307 int err;
1308
1309 err = qlcnic_can_start_firmware(adapter);
1310 if (err < 0)
1311 return err;
1312 else if (!err)
1313 goto check_fw_status;
1314
1315 if (qlcnic_load_fw_file)
1316 qlcnic_request_firmware(adapter);
1317 else {
1318 err = qlcnic_check_flash_fw_ver(adapter);
1319 if (err)
1320 goto err_out;
1321
1322 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1323 }
1324
1325 err = qlcnic_need_fw_reset(adapter);
1326 if (err == 0)
1327 goto check_fw_status;
1328
1329 err = qlcnic_pinit_from_rom(adapter);
1330 if (err)
1331 goto err_out;
1332
1333 err = qlcnic_load_firmware(adapter);
1334 if (err)
1335 goto err_out;
1336
1337 qlcnic_release_firmware(adapter);
1338 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1339
1340 check_fw_status:
1341 err = qlcnic_check_fw_status(adapter);
1342 if (err)
1343 goto err_out;
1344
1345 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1346 qlcnic_idc_debug_info(adapter, 1);
1347 err = qlcnic_check_eswitch_mode(adapter);
1348 if (err) {
1349 dev_err(&adapter->pdev->dev,
1350 "Memory allocation failed for eswitch\n");
1351 goto err_out;
1352 }
1353 err = qlcnic_set_mgmt_operations(adapter);
1354 if (err)
1355 goto err_out;
1356
1357 qlcnic_check_options(adapter);
1358 adapter->need_fw_reset = 0;
1359
1360 qlcnic_release_firmware(adapter);
1361 return 0;
1362
1363 err_out:
1364 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1365 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1366
1367 qlcnic_release_firmware(adapter);
1368 return err;
1369 }
1370
1371 static int
1372 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1373 {
1374 irq_handler_t handler;
1375 struct qlcnic_host_sds_ring *sds_ring;
1376 struct qlcnic_host_tx_ring *tx_ring;
1377 int err, ring, num_sds_rings;
1378
1379 unsigned long flags = 0;
1380 struct net_device *netdev = adapter->netdev;
1381 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1382
1383 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1384 if (qlcnic_82xx_check(adapter))
1385 handler = qlcnic_tmp_intr;
1386 else
1387 handler = qlcnic_83xx_tmp_intr;
1388 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1389 flags |= IRQF_SHARED;
1390
1391 } else {
1392 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1393 handler = qlcnic_msix_intr;
1394 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1395 handler = qlcnic_msi_intr;
1396 else {
1397 flags |= IRQF_SHARED;
1398 if (qlcnic_82xx_check(adapter))
1399 handler = qlcnic_intr;
1400 else
1401 handler = qlcnic_83xx_intr;
1402 }
1403 }
1404 adapter->irq = netdev->irq;
1405
1406 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1407 if (qlcnic_82xx_check(adapter) ||
1408 (qlcnic_83xx_check(adapter) &&
1409 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1410 num_sds_rings = adapter->max_sds_rings;
1411 for (ring = 0; ring < num_sds_rings; ring++) {
1412 sds_ring = &recv_ctx->sds_rings[ring];
1413 if (qlcnic_82xx_check(adapter) &&
1414 (ring == (num_sds_rings - 1))) {
1415 if (!(adapter->flags &
1416 QLCNIC_MSIX_ENABLED))
1417 snprintf(sds_ring->name,
1418 sizeof(sds_ring->name),
1419 "qlcnic");
1420 else
1421 snprintf(sds_ring->name,
1422 sizeof(sds_ring->name),
1423 "%s-tx-0-rx-%d",
1424 netdev->name, ring);
1425 } else {
1426 snprintf(sds_ring->name,
1427 sizeof(sds_ring->name),
1428 "%s-rx-%d",
1429 netdev->name, ring);
1430 }
1431 err = request_irq(sds_ring->irq, handler, flags,
1432 sds_ring->name, sds_ring);
1433 if (err)
1434 return err;
1435 }
1436 }
1437 if (qlcnic_83xx_check(adapter) &&
1438 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1439 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1440 handler = qlcnic_msix_tx_intr;
1441 for (ring = 0; ring < adapter->max_drv_tx_rings;
1442 ring++) {
1443 tx_ring = &adapter->tx_ring[ring];
1444 snprintf(tx_ring->name, sizeof(tx_ring->name),
1445 "%s-tx-%d", netdev->name, ring);
1446 err = request_irq(tx_ring->irq, handler, flags,
1447 tx_ring->name, tx_ring);
1448 if (err)
1449 return err;
1450 }
1451 }
1452 }
1453 return 0;
1454 }
1455
1456 static void
1457 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1458 {
1459 int ring;
1460 struct qlcnic_host_sds_ring *sds_ring;
1461 struct qlcnic_host_tx_ring *tx_ring;
1462
1463 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1464
1465 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1466 if (qlcnic_82xx_check(adapter) ||
1467 (qlcnic_83xx_check(adapter) &&
1468 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1469 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1470 sds_ring = &recv_ctx->sds_rings[ring];
1471 free_irq(sds_ring->irq, sds_ring);
1472 }
1473 }
1474 if (qlcnic_83xx_check(adapter) &&
1475 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1476 for (ring = 0; ring < adapter->max_drv_tx_rings;
1477 ring++) {
1478 tx_ring = &adapter->tx_ring[ring];
1479 if (tx_ring->irq)
1480 free_irq(tx_ring->irq, tx_ring);
1481 }
1482 }
1483 }
1484 }
1485
1486 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1487 {
1488 u32 capab = 0;
1489
1490 if (qlcnic_82xx_check(adapter)) {
1491 if (adapter->ahw->extra_capability[0] &
1492 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1493 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1494 } else {
1495 capab = adapter->ahw->capabilities;
1496 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1497 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1498 }
1499 }
1500
1501 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1502 {
1503 int ring;
1504 struct qlcnic_host_rds_ring *rds_ring;
1505
1506 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1507 return -EIO;
1508
1509 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1510 return 0;
1511 if (qlcnic_set_eswitch_port_config(adapter))
1512 return -EIO;
1513 qlcnic_get_lro_mss_capability(adapter);
1514
1515 if (qlcnic_fw_create_ctx(adapter))
1516 return -EIO;
1517
1518 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1519 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1520 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1521 }
1522
1523 qlcnic_set_multi(netdev);
1524 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1525
1526 adapter->ahw->linkup = 0;
1527
1528 if (adapter->max_sds_rings > 1)
1529 qlcnic_config_rss(adapter, 1);
1530
1531 qlcnic_config_intr_coalesce(adapter);
1532
1533 if (netdev->features & NETIF_F_LRO)
1534 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1535
1536 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1537 qlcnic_napi_enable(adapter);
1538
1539 qlcnic_linkevent_request(adapter, 1);
1540
1541 adapter->ahw->reset_context = 0;
1542 return 0;
1543 }
1544
1545 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1546 {
1547 int err = 0;
1548
1549 rtnl_lock();
1550 if (netif_running(netdev))
1551 err = __qlcnic_up(adapter, netdev);
1552 rtnl_unlock();
1553
1554 return err;
1555 }
1556
1557 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1558 {
1559 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1560 return;
1561
1562 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1563 return;
1564
1565 if (qlcnic_sriov_vf_check(adapter))
1566 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1567 smp_mb();
1568 spin_lock(&adapter->tx_clean_lock);
1569 netif_carrier_off(netdev);
1570 adapter->ahw->linkup = 0;
1571 netif_tx_disable(netdev);
1572
1573 qlcnic_free_mac_list(adapter);
1574
1575 if (adapter->fhash.fnum)
1576 qlcnic_delete_lb_filters(adapter);
1577
1578 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1579
1580 qlcnic_napi_disable(adapter);
1581
1582 qlcnic_fw_destroy_ctx(adapter);
1583 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1584
1585 qlcnic_reset_rx_buffers_list(adapter);
1586 qlcnic_release_tx_buffers(adapter);
1587 spin_unlock(&adapter->tx_clean_lock);
1588 }
1589
1590 /* Usage: During suspend and firmware recovery module */
1591
1592 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1593 {
1594 rtnl_lock();
1595 if (netif_running(netdev))
1596 __qlcnic_down(adapter, netdev);
1597 rtnl_unlock();
1598
1599 }
1600
1601 int
1602 qlcnic_attach(struct qlcnic_adapter *adapter)
1603 {
1604 struct net_device *netdev = adapter->netdev;
1605 struct pci_dev *pdev = adapter->pdev;
1606 int err;
1607
1608 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1609 return 0;
1610
1611 err = qlcnic_napi_add(adapter, netdev);
1612 if (err)
1613 return err;
1614
1615 err = qlcnic_alloc_sw_resources(adapter);
1616 if (err) {
1617 dev_err(&pdev->dev, "Error in setting sw resources\n");
1618 goto err_out_napi_del;
1619 }
1620
1621 err = qlcnic_alloc_hw_resources(adapter);
1622 if (err) {
1623 dev_err(&pdev->dev, "Error in setting hw resources\n");
1624 goto err_out_free_sw;
1625 }
1626
1627 err = qlcnic_request_irq(adapter);
1628 if (err) {
1629 dev_err(&pdev->dev, "failed to setup interrupt\n");
1630 goto err_out_free_hw;
1631 }
1632
1633 qlcnic_create_sysfs_entries(adapter);
1634
1635 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1636 return 0;
1637
1638 err_out_free_hw:
1639 qlcnic_free_hw_resources(adapter);
1640 err_out_free_sw:
1641 qlcnic_free_sw_resources(adapter);
1642 err_out_napi_del:
1643 qlcnic_napi_del(adapter);
1644 return err;
1645 }
1646
1647 void qlcnic_detach(struct qlcnic_adapter *adapter)
1648 {
1649 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1650 return;
1651
1652 qlcnic_remove_sysfs_entries(adapter);
1653
1654 qlcnic_free_hw_resources(adapter);
1655 qlcnic_release_rx_buffers(adapter);
1656 qlcnic_free_irq(adapter);
1657 qlcnic_napi_del(adapter);
1658 qlcnic_free_sw_resources(adapter);
1659
1660 adapter->is_up = 0;
1661 }
1662
1663 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1664 {
1665 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1666 struct qlcnic_host_sds_ring *sds_ring;
1667 int ring;
1668
1669 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1670 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1671 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1672 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1673 qlcnic_disable_int(sds_ring);
1674 }
1675 }
1676
1677 qlcnic_fw_destroy_ctx(adapter);
1678
1679 qlcnic_detach(adapter);
1680
1681 adapter->ahw->diag_test = 0;
1682 adapter->max_sds_rings = max_sds_rings;
1683
1684 if (qlcnic_attach(adapter))
1685 goto out;
1686
1687 if (netif_running(netdev))
1688 __qlcnic_up(adapter, netdev);
1689 out:
1690 netif_device_attach(netdev);
1691 }
1692
1693 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1694 {
1695 struct qlcnic_hardware_context *ahw = adapter->ahw;
1696 int err = 0;
1697
1698 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1699 GFP_KERNEL);
1700 if (!adapter->recv_ctx) {
1701 err = -ENOMEM;
1702 goto err_out;
1703 }
1704 /* Initialize interrupt coalesce parameters */
1705 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1706 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1707 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1708 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1709 if (qlcnic_83xx_check(adapter)) {
1710 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1711 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1712 }
1713 /* clear stats */
1714 memset(&adapter->stats, 0, sizeof(adapter->stats));
1715 err_out:
1716 return err;
1717 }
1718
1719 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1720 {
1721 kfree(adapter->recv_ctx);
1722 adapter->recv_ctx = NULL;
1723
1724 if (adapter->ahw->fw_dump.tmpl_hdr) {
1725 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1726 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1727 }
1728
1729 kfree(adapter->ahw->reset.buff);
1730 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1731 }
1732
1733 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1734 {
1735 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1736 struct qlcnic_host_sds_ring *sds_ring;
1737 struct qlcnic_host_rds_ring *rds_ring;
1738 int ring;
1739 int ret;
1740
1741 netif_device_detach(netdev);
1742
1743 if (netif_running(netdev))
1744 __qlcnic_down(adapter, netdev);
1745
1746 qlcnic_detach(adapter);
1747
1748 adapter->max_sds_rings = 1;
1749 adapter->ahw->diag_test = test;
1750 adapter->ahw->linkup = 0;
1751
1752 ret = qlcnic_attach(adapter);
1753 if (ret) {
1754 netif_device_attach(netdev);
1755 return ret;
1756 }
1757
1758 ret = qlcnic_fw_create_ctx(adapter);
1759 if (ret) {
1760 qlcnic_detach(adapter);
1761 netif_device_attach(netdev);
1762 return ret;
1763 }
1764
1765 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1766 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1767 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1768 }
1769
1770 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1771 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1772 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1773 qlcnic_enable_int(sds_ring);
1774 }
1775 }
1776
1777 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1778 adapter->ahw->loopback_state = 0;
1779 qlcnic_linkevent_request(adapter, 1);
1780 }
1781
1782 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1783
1784 return 0;
1785 }
1786
1787 /* Reset context in hardware only */
1788 static int
1789 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1790 {
1791 struct net_device *netdev = adapter->netdev;
1792
1793 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1794 return -EBUSY;
1795
1796 netif_device_detach(netdev);
1797
1798 qlcnic_down(adapter, netdev);
1799
1800 qlcnic_up(adapter, netdev);
1801
1802 netif_device_attach(netdev);
1803
1804 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1805 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1806 return 0;
1807 }
1808
1809 int
1810 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1811 {
1812 int err = 0;
1813 struct net_device *netdev = adapter->netdev;
1814
1815 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1816 return -EBUSY;
1817
1818 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1819
1820 netif_device_detach(netdev);
1821
1822 if (netif_running(netdev))
1823 __qlcnic_down(adapter, netdev);
1824
1825 qlcnic_detach(adapter);
1826
1827 if (netif_running(netdev)) {
1828 err = qlcnic_attach(adapter);
1829 if (!err) {
1830 __qlcnic_up(adapter, netdev);
1831 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1832 }
1833 }
1834
1835 netif_device_attach(netdev);
1836 }
1837
1838 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1839 return err;
1840 }
1841
1842 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1843 {
1844 struct qlcnic_hardware_context *ahw = adapter->ahw;
1845 u16 act_pci_fn = ahw->act_pci_func;
1846 u16 count;
1847
1848 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1849 if (act_pci_fn <= 2)
1850 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
1851 act_pci_fn;
1852 else
1853 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
1854 act_pci_fn;
1855 ahw->max_uc_count = count;
1856 }
1857
1858 int
1859 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1860 int pci_using_dac)
1861 {
1862 int err;
1863 struct pci_dev *pdev = adapter->pdev;
1864
1865 adapter->rx_csum = 1;
1866 adapter->ahw->mc_enabled = 0;
1867 qlcnic_set_mac_filter_count(adapter);
1868
1869 netdev->netdev_ops = &qlcnic_netdev_ops;
1870 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
1871
1872 qlcnic_change_mtu(netdev, netdev->mtu);
1873
1874 if (qlcnic_sriov_vf_check(adapter))
1875 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1876 else
1877 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1878
1879 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1880 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1881 NETIF_F_HW_VLAN_CTAG_RX);
1882 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1883 NETIF_F_IPV6_CSUM);
1884
1885 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1886 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1887 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1888 }
1889
1890 if (pci_using_dac) {
1891 netdev->features |= NETIF_F_HIGHDMA;
1892 netdev->vlan_features |= NETIF_F_HIGHDMA;
1893 }
1894
1895 if (qlcnic_vlan_tx_check(adapter))
1896 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
1897
1898 if (qlcnic_sriov_vf_check(adapter))
1899 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1900
1901 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1902 netdev->features |= NETIF_F_LRO;
1903
1904 netdev->hw_features = netdev->features;
1905 netdev->priv_flags |= IFF_UNICAST_FLT;
1906 netdev->irq = adapter->msix_entries[0].vector;
1907
1908 err = register_netdev(netdev);
1909 if (err) {
1910 dev_err(&pdev->dev, "failed to register net device\n");
1911 return err;
1912 }
1913
1914 return 0;
1915 }
1916
1917 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1918 {
1919 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1920 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1921 *pci_using_dac = 1;
1922 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1923 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1924 *pci_using_dac = 0;
1925 else {
1926 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1927 return -EIO;
1928 }
1929
1930 return 0;
1931 }
1932
1933 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1934 {
1935 int ring;
1936 struct qlcnic_host_tx_ring *tx_ring;
1937
1938 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1939 tx_ring = &adapter->tx_ring[ring];
1940 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1941 vfree(tx_ring->cmd_buf_arr);
1942 tx_ring->cmd_buf_arr = NULL;
1943 }
1944 }
1945 if (adapter->tx_ring != NULL)
1946 kfree(adapter->tx_ring);
1947 }
1948
1949 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1950 struct net_device *netdev)
1951 {
1952 int ring, vector, index;
1953 struct qlcnic_host_tx_ring *tx_ring;
1954 struct qlcnic_cmd_buffer *cmd_buf_arr;
1955
1956 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1957 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1958 if (tx_ring == NULL)
1959 return -ENOMEM;
1960
1961 adapter->tx_ring = tx_ring;
1962
1963 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1964 tx_ring = &adapter->tx_ring[ring];
1965 tx_ring->num_desc = adapter->num_txd;
1966 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1967 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1968 if (cmd_buf_arr == NULL) {
1969 qlcnic_free_tx_rings(adapter);
1970 return -ENOMEM;
1971 }
1972 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1973 tx_ring->cmd_buf_arr = cmd_buf_arr;
1974 }
1975
1976 if (qlcnic_83xx_check(adapter)) {
1977 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1978 tx_ring = &adapter->tx_ring[ring];
1979 tx_ring->adapter = adapter;
1980 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1981 index = adapter->max_sds_rings + ring;
1982 vector = adapter->msix_entries[index].vector;
1983 tx_ring->irq = vector;
1984 }
1985 }
1986 }
1987 return 0;
1988 }
1989
1990 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
1991 {
1992 struct qlcnic_hardware_context *ahw = adapter->ahw;
1993 u32 fw_cmd = 0;
1994
1995 if (qlcnic_82xx_check(adapter))
1996 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
1997 else if (qlcnic_83xx_check(adapter))
1998 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
1999
2000 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2001 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2002 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2003 }
2004
2005 static int
2006 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2007 {
2008 struct net_device *netdev = NULL;
2009 struct qlcnic_adapter *adapter = NULL;
2010 struct qlcnic_hardware_context *ahw;
2011 int err, pci_using_dac = -1;
2012 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2013
2014 if (pdev->is_virtfn)
2015 return -ENODEV;
2016
2017 err = pci_enable_device(pdev);
2018 if (err)
2019 return err;
2020
2021 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2022 err = -ENODEV;
2023 goto err_out_disable_pdev;
2024 }
2025
2026 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2027 if (err)
2028 goto err_out_disable_pdev;
2029
2030 err = pci_request_regions(pdev, qlcnic_driver_name);
2031 if (err)
2032 goto err_out_disable_pdev;
2033
2034 pci_set_master(pdev);
2035 pci_enable_pcie_error_reporting(pdev);
2036
2037 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2038 if (!ahw) {
2039 err = -ENOMEM;
2040 goto err_out_free_res;
2041 }
2042
2043 switch (ent->device) {
2044 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2045 ahw->hw_ops = &qlcnic_hw_ops;
2046 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2047 break;
2048 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2049 qlcnic_83xx_register_map(ahw);
2050 break;
2051 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2052 qlcnic_sriov_vf_register_map(ahw);
2053 break;
2054 default:
2055 goto err_out_free_hw_res;
2056 }
2057
2058 err = qlcnic_setup_pci_map(pdev, ahw);
2059 if (err)
2060 goto err_out_free_hw_res;
2061
2062 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2063 if (!netdev) {
2064 err = -ENOMEM;
2065 goto err_out_iounmap;
2066 }
2067
2068 SET_NETDEV_DEV(netdev, &pdev->dev);
2069
2070 adapter = netdev_priv(netdev);
2071 adapter->netdev = netdev;
2072 adapter->pdev = pdev;
2073 adapter->ahw = ahw;
2074
2075 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2076 if (adapter->qlcnic_wq == NULL) {
2077 err = -ENOMEM;
2078 dev_err(&pdev->dev, "Failed to create workqueue\n");
2079 goto err_out_free_netdev;
2080 }
2081
2082 err = qlcnic_alloc_adapter_resources(adapter);
2083 if (err)
2084 goto err_out_free_netdev;
2085
2086 adapter->dev_rst_time = jiffies;
2087 adapter->ahw->revision_id = pdev->revision;
2088 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2089 adapter->fdb_mac_learn = true;
2090 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2091 adapter->drv_mac_learn = true;
2092 adapter->max_drv_tx_rings = 1;
2093
2094 rwlock_init(&adapter->ahw->crb_lock);
2095 mutex_init(&adapter->ahw->mem_lock);
2096
2097 spin_lock_init(&adapter->tx_clean_lock);
2098 INIT_LIST_HEAD(&adapter->mac_list);
2099
2100 if (qlcnic_82xx_check(adapter)) {
2101 qlcnic_check_vf(adapter, ent);
2102 adapter->portnum = adapter->ahw->pci_func;
2103 err = qlcnic_start_firmware(adapter);
2104 if (err) {
2105 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2106 goto err_out_free_hw;
2107 }
2108
2109 err = qlcnic_setup_idc_param(adapter);
2110 if (err)
2111 goto err_out_free_hw;
2112
2113 adapter->flags |= QLCNIC_NEED_FLR;
2114 } else if (qlcnic_83xx_check(adapter)) {
2115 qlcnic_83xx_check_vf(adapter, ent);
2116 adapter->portnum = adapter->ahw->pci_func;
2117 err = qlcnic_83xx_init(adapter, pci_using_dac);
2118 if (err) {
2119 dev_err(&pdev->dev, "%s: failed\n", __func__);
2120 goto err_out_free_hw;
2121 }
2122 if (qlcnic_sriov_vf_check(adapter))
2123 return 0;
2124 } else {
2125 dev_err(&pdev->dev,
2126 "%s: failed. Please Reboot\n", __func__);
2127 goto err_out_free_hw;
2128 }
2129
2130 if (qlcnic_read_mac_addr(adapter))
2131 dev_warn(&pdev->dev, "failed to read mac addr\n");
2132
2133 if (adapter->portnum == 0) {
2134 qlcnic_get_board_name(adapter, board_name);
2135
2136 pr_info("%s: %s Board Chip rev 0x%x\n",
2137 module_name(THIS_MODULE),
2138 board_name, adapter->ahw->revision_id);
2139 }
2140
2141 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2142 !!qlcnic_use_msi)
2143 dev_warn(&pdev->dev,
2144 "Device does not support MSI interrupts\n");
2145
2146 err = qlcnic_setup_intr(adapter, 0);
2147 if (err) {
2148 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2149 goto err_out_disable_msi;
2150 }
2151
2152 if (qlcnic_83xx_check(adapter)) {
2153 err = qlcnic_83xx_setup_mbx_intr(adapter);
2154 if (err)
2155 goto err_out_disable_msi;
2156 }
2157
2158 err = qlcnic_get_act_pci_func(adapter);
2159 if (err)
2160 goto err_out_disable_mbx_intr;
2161
2162 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2163 if (err)
2164 goto err_out_disable_mbx_intr;
2165
2166 qlcnic_set_drv_version(adapter);
2167
2168 pci_set_drvdata(pdev, adapter);
2169
2170 if (qlcnic_82xx_check(adapter))
2171 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2172 FW_POLL_DELAY);
2173
2174 switch (adapter->ahw->port_type) {
2175 case QLCNIC_GBE:
2176 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2177 adapter->netdev->name);
2178 break;
2179 case QLCNIC_XGBE:
2180 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2181 adapter->netdev->name);
2182 break;
2183 }
2184
2185 if (adapter->drv_mac_learn)
2186 qlcnic_alloc_lb_filters_mem(adapter);
2187
2188 qlcnic_add_sysfs(adapter);
2189
2190 return 0;
2191
2192 err_out_disable_mbx_intr:
2193 if (qlcnic_83xx_check(adapter))
2194 qlcnic_83xx_free_mbx_intr(adapter);
2195
2196 err_out_disable_msi:
2197 qlcnic_teardown_intr(adapter);
2198 qlcnic_cancel_idc_work(adapter);
2199 qlcnic_clr_all_drv_state(adapter, 0);
2200
2201 err_out_free_hw:
2202 qlcnic_free_adapter_resources(adapter);
2203
2204 err_out_free_netdev:
2205 free_netdev(netdev);
2206
2207 err_out_iounmap:
2208 qlcnic_cleanup_pci_map(ahw);
2209
2210 err_out_free_hw_res:
2211 kfree(ahw);
2212
2213 err_out_free_res:
2214 pci_release_regions(pdev);
2215
2216 err_out_disable_pdev:
2217 pci_set_drvdata(pdev, NULL);
2218 pci_disable_device(pdev);
2219 return err;
2220 }
2221
2222 static void qlcnic_remove(struct pci_dev *pdev)
2223 {
2224 struct qlcnic_adapter *adapter;
2225 struct net_device *netdev;
2226 struct qlcnic_hardware_context *ahw;
2227
2228 adapter = pci_get_drvdata(pdev);
2229 if (adapter == NULL)
2230 return;
2231
2232 netdev = adapter->netdev;
2233 qlcnic_sriov_pf_disable(adapter);
2234
2235 qlcnic_cancel_idc_work(adapter);
2236 ahw = adapter->ahw;
2237
2238 unregister_netdev(netdev);
2239 qlcnic_sriov_cleanup(adapter);
2240
2241 if (qlcnic_83xx_check(adapter)) {
2242 qlcnic_83xx_free_mbx_intr(adapter);
2243 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2244 cancel_delayed_work_sync(&adapter->idc_aen_work);
2245 }
2246
2247 qlcnic_detach(adapter);
2248
2249 if (adapter->npars != NULL)
2250 kfree(adapter->npars);
2251 if (adapter->eswitch != NULL)
2252 kfree(adapter->eswitch);
2253
2254 if (qlcnic_82xx_check(adapter))
2255 qlcnic_clr_all_drv_state(adapter, 0);
2256
2257 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2258
2259 qlcnic_free_lb_filters_mem(adapter);
2260
2261 qlcnic_teardown_intr(adapter);
2262
2263 qlcnic_remove_sysfs(adapter);
2264
2265 qlcnic_cleanup_pci_map(adapter->ahw);
2266
2267 qlcnic_release_firmware(adapter);
2268
2269 pci_disable_pcie_error_reporting(pdev);
2270 pci_release_regions(pdev);
2271 pci_disable_device(pdev);
2272 pci_set_drvdata(pdev, NULL);
2273
2274 if (adapter->qlcnic_wq) {
2275 destroy_workqueue(adapter->qlcnic_wq);
2276 adapter->qlcnic_wq = NULL;
2277 }
2278 qlcnic_free_adapter_resources(adapter);
2279 kfree(ahw);
2280 free_netdev(netdev);
2281 }
2282
2283 static void qlcnic_shutdown(struct pci_dev *pdev)
2284 {
2285 if (__qlcnic_shutdown(pdev))
2286 return;
2287
2288 pci_disable_device(pdev);
2289 }
2290
2291 #ifdef CONFIG_PM
2292 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2293 {
2294 int retval;
2295
2296 retval = __qlcnic_shutdown(pdev);
2297 if (retval)
2298 return retval;
2299
2300 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2301 return 0;
2302 }
2303
2304 static int qlcnic_resume(struct pci_dev *pdev)
2305 {
2306 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2307 int err;
2308
2309 err = pci_enable_device(pdev);
2310 if (err)
2311 return err;
2312
2313 pci_set_power_state(pdev, PCI_D0);
2314 pci_set_master(pdev);
2315 pci_restore_state(pdev);
2316
2317 return __qlcnic_resume(adapter);
2318 }
2319 #endif
2320
2321 static int qlcnic_open(struct net_device *netdev)
2322 {
2323 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2324 int err;
2325
2326 netif_carrier_off(netdev);
2327
2328 err = qlcnic_attach(adapter);
2329 if (err)
2330 return err;
2331
2332 err = __qlcnic_up(adapter, netdev);
2333 if (err)
2334 goto err_out;
2335
2336 netif_start_queue(netdev);
2337
2338 return 0;
2339
2340 err_out:
2341 qlcnic_detach(adapter);
2342 return err;
2343 }
2344
2345 /*
2346 * qlcnic_close - Disables a network interface entry point
2347 */
2348 static int qlcnic_close(struct net_device *netdev)
2349 {
2350 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2351
2352 __qlcnic_down(adapter, netdev);
2353
2354 return 0;
2355 }
2356
2357 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2358 {
2359 void *head;
2360 int i;
2361 struct net_device *netdev = adapter->netdev;
2362 u32 filter_size = 0;
2363 u16 act_pci_func = 0;
2364
2365 if (adapter->fhash.fmax && adapter->fhash.fhead)
2366 return;
2367
2368 act_pci_func = adapter->ahw->act_pci_func;
2369 spin_lock_init(&adapter->mac_learn_lock);
2370 spin_lock_init(&adapter->rx_mac_learn_lock);
2371
2372 if (qlcnic_82xx_check(adapter)) {
2373 filter_size = QLCNIC_LB_MAX_FILTERS;
2374 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2375 } else {
2376 filter_size = QLC_83XX_LB_MAX_FILTERS;
2377 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2378 }
2379
2380 head = kcalloc(adapter->fhash.fbucket_size,
2381 sizeof(struct hlist_head), GFP_ATOMIC);
2382
2383 if (!head)
2384 return;
2385
2386 adapter->fhash.fmax = (filter_size / act_pci_func);
2387 adapter->fhash.fhead = head;
2388
2389 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2390 act_pci_func, adapter->fhash.fmax);
2391
2392 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2393 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2394
2395 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2396
2397 head = kcalloc(adapter->rx_fhash.fbucket_size,
2398 sizeof(struct hlist_head), GFP_ATOMIC);
2399
2400 if (!head)
2401 return;
2402
2403 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2404 adapter->rx_fhash.fhead = head;
2405
2406 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2407 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2408 }
2409
2410 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2411 {
2412 if (adapter->fhash.fmax && adapter->fhash.fhead)
2413 kfree(adapter->fhash.fhead);
2414
2415 adapter->fhash.fhead = NULL;
2416 adapter->fhash.fmax = 0;
2417
2418 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2419 kfree(adapter->rx_fhash.fhead);
2420
2421 adapter->rx_fhash.fmax = 0;
2422 adapter->rx_fhash.fhead = NULL;
2423 }
2424
2425 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2426 {
2427 struct net_device *netdev = adapter->netdev;
2428 u32 temp_state, temp_val, temp = 0;
2429 int rv = 0;
2430
2431 if (qlcnic_83xx_check(adapter))
2432 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2433
2434 if (qlcnic_82xx_check(adapter))
2435 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2436
2437 temp_state = qlcnic_get_temp_state(temp);
2438 temp_val = qlcnic_get_temp_val(temp);
2439
2440 if (temp_state == QLCNIC_TEMP_PANIC) {
2441 dev_err(&netdev->dev,
2442 "Device temperature %d degrees C exceeds"
2443 " maximum allowed. Hardware has been shut down.\n",
2444 temp_val);
2445 rv = 1;
2446 } else if (temp_state == QLCNIC_TEMP_WARN) {
2447 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2448 dev_err(&netdev->dev,
2449 "Device temperature %d degrees C "
2450 "exceeds operating range."
2451 " Immediate action needed.\n",
2452 temp_val);
2453 }
2454 } else {
2455 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2456 dev_info(&netdev->dev,
2457 "Device temperature is now %d degrees C"
2458 " in normal range.\n", temp_val);
2459 }
2460 }
2461 adapter->ahw->temp = temp_state;
2462 return rv;
2463 }
2464
2465 static void qlcnic_tx_timeout(struct net_device *netdev)
2466 {
2467 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2468
2469 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2470 return;
2471
2472 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2473 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2474 if (qlcnic_82xx_check(adapter))
2475 adapter->need_fw_reset = 1;
2476 else if (qlcnic_83xx_check(adapter))
2477 qlcnic_83xx_idc_request_reset(adapter,
2478 QLCNIC_FORCE_FW_DUMP_KEY);
2479 } else {
2480 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2481 adapter->ahw->reset_context = 1;
2482 }
2483 }
2484
2485 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2486 {
2487 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2488 struct net_device_stats *stats = &netdev->stats;
2489
2490 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2491 stats->tx_packets = adapter->stats.xmitfinished;
2492 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2493 stats->tx_bytes = adapter->stats.txbytes;
2494 stats->rx_dropped = adapter->stats.rxdropped;
2495 stats->tx_dropped = adapter->stats.txdropped;
2496
2497 return stats;
2498 }
2499
2500 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2501 {
2502 u32 status;
2503
2504 status = readl(adapter->isr_int_vec);
2505
2506 if (!(status & adapter->ahw->int_vec_bit))
2507 return IRQ_NONE;
2508
2509 /* check interrupt state machine, to be sure */
2510 status = readl(adapter->crb_int_state_reg);
2511 if (!ISR_LEGACY_INT_TRIGGERED(status))
2512 return IRQ_NONE;
2513
2514 writel(0xffffffff, adapter->tgt_status_reg);
2515 /* read twice to ensure write is flushed */
2516 readl(adapter->isr_int_vec);
2517 readl(adapter->isr_int_vec);
2518
2519 return IRQ_HANDLED;
2520 }
2521
2522 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2523 {
2524 struct qlcnic_host_sds_ring *sds_ring = data;
2525 struct qlcnic_adapter *adapter = sds_ring->adapter;
2526
2527 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2528 goto done;
2529 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2530 writel(0xffffffff, adapter->tgt_status_reg);
2531 goto done;
2532 }
2533
2534 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2535 return IRQ_NONE;
2536
2537 done:
2538 adapter->ahw->diag_cnt++;
2539 qlcnic_enable_int(sds_ring);
2540 return IRQ_HANDLED;
2541 }
2542
2543 static irqreturn_t qlcnic_intr(int irq, void *data)
2544 {
2545 struct qlcnic_host_sds_ring *sds_ring = data;
2546 struct qlcnic_adapter *adapter = sds_ring->adapter;
2547
2548 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2549 return IRQ_NONE;
2550
2551 napi_schedule(&sds_ring->napi);
2552
2553 return IRQ_HANDLED;
2554 }
2555
2556 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2557 {
2558 struct qlcnic_host_sds_ring *sds_ring = data;
2559 struct qlcnic_adapter *adapter = sds_ring->adapter;
2560
2561 /* clear interrupt */
2562 writel(0xffffffff, adapter->tgt_status_reg);
2563
2564 napi_schedule(&sds_ring->napi);
2565 return IRQ_HANDLED;
2566 }
2567
2568 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2569 {
2570 struct qlcnic_host_sds_ring *sds_ring = data;
2571
2572 napi_schedule(&sds_ring->napi);
2573 return IRQ_HANDLED;
2574 }
2575
2576 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2577 {
2578 struct qlcnic_host_tx_ring *tx_ring = data;
2579
2580 napi_schedule(&tx_ring->napi);
2581 return IRQ_HANDLED;
2582 }
2583
2584 #ifdef CONFIG_NET_POLL_CONTROLLER
2585 static void qlcnic_poll_controller(struct net_device *netdev)
2586 {
2587 int ring;
2588 struct qlcnic_host_sds_ring *sds_ring;
2589 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2590 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2591
2592 disable_irq(adapter->irq);
2593 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2594 sds_ring = &recv_ctx->sds_rings[ring];
2595 qlcnic_intr(adapter->irq, sds_ring);
2596 }
2597 enable_irq(adapter->irq);
2598 }
2599 #endif
2600
2601 static void
2602 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2603 {
2604 u32 val;
2605
2606 val = adapter->portnum & 0xf;
2607 val |= encoding << 7;
2608 val |= (jiffies - adapter->dev_rst_time) << 8;
2609
2610 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2611 adapter->dev_rst_time = jiffies;
2612 }
2613
2614 static int
2615 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2616 {
2617 u32 val;
2618
2619 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2620 state != QLCNIC_DEV_NEED_QUISCENT);
2621
2622 if (qlcnic_api_lock(adapter))
2623 return -EIO;
2624
2625 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2626
2627 if (state == QLCNIC_DEV_NEED_RESET)
2628 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2629 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2630 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2631
2632 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2633
2634 qlcnic_api_unlock(adapter);
2635
2636 return 0;
2637 }
2638
2639 static int
2640 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2641 {
2642 u32 val;
2643
2644 if (qlcnic_api_lock(adapter))
2645 return -EBUSY;
2646
2647 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2648 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2649 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2650
2651 qlcnic_api_unlock(adapter);
2652
2653 return 0;
2654 }
2655
2656 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2657 {
2658 u32 val;
2659
2660 if (qlcnic_api_lock(adapter))
2661 goto err;
2662
2663 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2664 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2665 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2666
2667 if (failed) {
2668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2669 QLCNIC_DEV_FAILED);
2670 dev_info(&adapter->pdev->dev,
2671 "Device state set to Failed. Please Reboot\n");
2672 } else if (!(val & 0x11111111))
2673 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2674 QLCNIC_DEV_COLD);
2675
2676 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2677 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2678 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2679
2680 qlcnic_api_unlock(adapter);
2681 err:
2682 adapter->fw_fail_cnt = 0;
2683 adapter->flags &= ~QLCNIC_FW_HANG;
2684 clear_bit(__QLCNIC_START_FW, &adapter->state);
2685 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2686 }
2687
2688 /* Grab api lock, before checking state */
2689 static int
2690 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2691 {
2692 int act, state, active_mask;
2693 struct qlcnic_hardware_context *ahw = adapter->ahw;
2694
2695 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2696 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2697
2698 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2699 active_mask = (~(1 << (ahw->pci_func * 4)));
2700 act = act & active_mask;
2701 }
2702
2703 if (((state & 0x11111111) == (act & 0x11111111)) ||
2704 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2705 return 0;
2706 else
2707 return 1;
2708 }
2709
2710 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2711 {
2712 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2713
2714 if (val != QLCNIC_DRV_IDC_VER) {
2715 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2716 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2717 }
2718
2719 return 0;
2720 }
2721
2722 static int
2723 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2724 {
2725 u32 val, prev_state;
2726 u8 dev_init_timeo = adapter->dev_init_timeo;
2727 u8 portnum = adapter->portnum;
2728 u8 ret;
2729
2730 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2731 return 1;
2732
2733 if (qlcnic_api_lock(adapter))
2734 return -1;
2735
2736 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2737 if (!(val & (1 << (portnum * 4)))) {
2738 QLC_DEV_SET_REF_CNT(val, portnum);
2739 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2740 }
2741
2742 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2743 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2744
2745 switch (prev_state) {
2746 case QLCNIC_DEV_COLD:
2747 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2748 QLCNIC_DEV_INITIALIZING);
2749 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2750 QLCNIC_DRV_IDC_VER);
2751 qlcnic_idc_debug_info(adapter, 0);
2752 qlcnic_api_unlock(adapter);
2753 return 1;
2754
2755 case QLCNIC_DEV_READY:
2756 ret = qlcnic_check_idc_ver(adapter);
2757 qlcnic_api_unlock(adapter);
2758 return ret;
2759
2760 case QLCNIC_DEV_NEED_RESET:
2761 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2762 QLC_DEV_SET_RST_RDY(val, portnum);
2763 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2764 break;
2765
2766 case QLCNIC_DEV_NEED_QUISCENT:
2767 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2768 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2769 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2770 break;
2771
2772 case QLCNIC_DEV_FAILED:
2773 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2774 qlcnic_api_unlock(adapter);
2775 return -1;
2776
2777 case QLCNIC_DEV_INITIALIZING:
2778 case QLCNIC_DEV_QUISCENT:
2779 break;
2780 }
2781
2782 qlcnic_api_unlock(adapter);
2783
2784 do {
2785 msleep(1000);
2786 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2787
2788 if (prev_state == QLCNIC_DEV_QUISCENT)
2789 continue;
2790 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2791
2792 if (!dev_init_timeo) {
2793 dev_err(&adapter->pdev->dev,
2794 "Waiting for device to initialize timeout\n");
2795 return -1;
2796 }
2797
2798 if (qlcnic_api_lock(adapter))
2799 return -1;
2800
2801 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2802 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2803 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2804
2805 ret = qlcnic_check_idc_ver(adapter);
2806 qlcnic_api_unlock(adapter);
2807
2808 return ret;
2809 }
2810
2811 static void
2812 qlcnic_fwinit_work(struct work_struct *work)
2813 {
2814 struct qlcnic_adapter *adapter = container_of(work,
2815 struct qlcnic_adapter, fw_work.work);
2816 u32 dev_state = 0xf;
2817 u32 val;
2818
2819 if (qlcnic_api_lock(adapter))
2820 goto err_ret;
2821
2822 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2823 if (dev_state == QLCNIC_DEV_QUISCENT ||
2824 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2825 qlcnic_api_unlock(adapter);
2826 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2827 FW_POLL_DELAY * 2);
2828 return;
2829 }
2830
2831 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
2832 qlcnic_api_unlock(adapter);
2833 goto wait_npar;
2834 }
2835
2836 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2837 dev_state == QLCNIC_DEV_READY) {
2838 dev_info(&adapter->pdev->dev, "Detected state change from "
2839 "DEV_NEED_RESET, skipping ack check\n");
2840 goto skip_ack_check;
2841 }
2842
2843 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2844 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2845 adapter->reset_ack_timeo);
2846 goto skip_ack_check;
2847 }
2848
2849 if (!qlcnic_check_drv_state(adapter)) {
2850 skip_ack_check:
2851 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2852
2853 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2854 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2855 QLCNIC_DEV_INITIALIZING);
2856 set_bit(__QLCNIC_START_FW, &adapter->state);
2857 QLCDB(adapter, DRV, "Restarting fw\n");
2858 qlcnic_idc_debug_info(adapter, 0);
2859 val = QLC_SHARED_REG_RD32(adapter,
2860 QLCNIC_CRB_DRV_STATE);
2861 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2862 QLC_SHARED_REG_WR32(adapter,
2863 QLCNIC_CRB_DRV_STATE, val);
2864 }
2865
2866 qlcnic_api_unlock(adapter);
2867
2868 rtnl_lock();
2869 if (adapter->ahw->fw_dump.enable &&
2870 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2871 QLCDB(adapter, DRV, "Take FW dump\n");
2872 qlcnic_dump_fw(adapter);
2873 adapter->flags |= QLCNIC_FW_HANG;
2874 }
2875 rtnl_unlock();
2876
2877 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2878 if (!adapter->nic_ops->start_firmware(adapter)) {
2879 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2880 adapter->fw_wait_cnt = 0;
2881 return;
2882 }
2883 goto err_ret;
2884 }
2885
2886 qlcnic_api_unlock(adapter);
2887
2888 wait_npar:
2889 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2890 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2891
2892 switch (dev_state) {
2893 case QLCNIC_DEV_READY:
2894 if (!qlcnic_start_firmware(adapter)) {
2895 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2896 adapter->fw_wait_cnt = 0;
2897 return;
2898 }
2899 case QLCNIC_DEV_FAILED:
2900 break;
2901 default:
2902 qlcnic_schedule_work(adapter,
2903 qlcnic_fwinit_work, FW_POLL_DELAY);
2904 return;
2905 }
2906
2907 err_ret:
2908 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2909 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2910 netif_device_attach(adapter->netdev);
2911 qlcnic_clr_all_drv_state(adapter, 0);
2912 }
2913
2914 static void
2915 qlcnic_detach_work(struct work_struct *work)
2916 {
2917 struct qlcnic_adapter *adapter = container_of(work,
2918 struct qlcnic_adapter, fw_work.work);
2919 struct net_device *netdev = adapter->netdev;
2920 u32 status;
2921
2922 netif_device_detach(netdev);
2923
2924 /* Dont grab rtnl lock during Quiscent mode */
2925 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2926 if (netif_running(netdev))
2927 __qlcnic_down(adapter, netdev);
2928 } else
2929 qlcnic_down(adapter, netdev);
2930
2931 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2932
2933 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2934 dev_err(&adapter->pdev->dev,
2935 "Detaching the device: peg halt status1=0x%x\n",
2936 status);
2937
2938 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2939 dev_err(&adapter->pdev->dev,
2940 "On board active cooling fan failed. "
2941 "Device has been halted.\n");
2942 dev_err(&adapter->pdev->dev,
2943 "Replace the adapter.\n");
2944 }
2945
2946 goto err_ret;
2947 }
2948
2949 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
2950 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2951 adapter->ahw->temp);
2952 goto err_ret;
2953 }
2954
2955 /* Dont ack if this instance is the reset owner */
2956 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2957 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2958 dev_err(&adapter->pdev->dev,
2959 "Failed to set driver state,"
2960 "detaching the device.\n");
2961 goto err_ret;
2962 }
2963 }
2964
2965 adapter->fw_wait_cnt = 0;
2966
2967 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2968
2969 return;
2970
2971 err_ret:
2972 netif_device_attach(netdev);
2973 qlcnic_clr_all_drv_state(adapter, 1);
2974 }
2975
2976 /*Transit NPAR state to NON Operational */
2977 static void
2978 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2979 {
2980 u32 state;
2981
2982 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2983 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2984 return;
2985
2986 if (qlcnic_api_lock(adapter))
2987 return;
2988 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2989 QLCNIC_DEV_NPAR_NON_OPER);
2990 qlcnic_api_unlock(adapter);
2991 }
2992
2993 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
2994 {
2995 u32 state, xg_val = 0, gb_val = 0;
2996
2997 qlcnic_xg_set_xg0_mask(xg_val);
2998 qlcnic_xg_set_xg1_mask(xg_val);
2999 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3000 qlcnic_gb_set_gb0_mask(gb_val);
3001 qlcnic_gb_set_gb1_mask(gb_val);
3002 qlcnic_gb_set_gb2_mask(gb_val);
3003 qlcnic_gb_set_gb3_mask(gb_val);
3004 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3005 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3006 " on all ports\n");
3007 adapter->need_fw_reset = 1;
3008
3009 if (qlcnic_api_lock(adapter))
3010 return;
3011
3012 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3013
3014 if (state == QLCNIC_DEV_READY) {
3015 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3016 QLCNIC_DEV_NEED_RESET);
3017 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3018 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3019 qlcnic_idc_debug_info(adapter, 0);
3020 }
3021
3022 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3023 QLCNIC_DEV_NPAR_NON_OPER);
3024 qlcnic_api_unlock(adapter);
3025 }
3026
3027 /* Transit to NPAR READY state from NPAR NOT READY state */
3028 static void
3029 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3030 {
3031 if (qlcnic_api_lock(adapter))
3032 return;
3033
3034 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3035 QLCNIC_DEV_NPAR_OPER);
3036 QLCDB(adapter, DRV, "NPAR operational state set\n");
3037
3038 qlcnic_api_unlock(adapter);
3039 }
3040
3041 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3042 work_func_t func, int delay)
3043 {
3044 if (test_bit(__QLCNIC_AER, &adapter->state))
3045 return;
3046
3047 INIT_DELAYED_WORK(&adapter->fw_work, func);
3048 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3049 round_jiffies_relative(delay));
3050 }
3051
3052 static void
3053 qlcnic_attach_work(struct work_struct *work)
3054 {
3055 struct qlcnic_adapter *adapter = container_of(work,
3056 struct qlcnic_adapter, fw_work.work);
3057 struct net_device *netdev = adapter->netdev;
3058 u32 npar_state;
3059
3060 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3061 npar_state = QLC_SHARED_REG_RD32(adapter,
3062 QLCNIC_CRB_DEV_NPAR_STATE);
3063 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3064 qlcnic_clr_all_drv_state(adapter, 0);
3065 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3066 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3067 FW_POLL_DELAY);
3068 else
3069 goto attach;
3070 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3071 return;
3072 }
3073 attach:
3074 if (netif_running(netdev)) {
3075 if (qlcnic_up(adapter, netdev))
3076 goto done;
3077
3078 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3079 }
3080
3081 done:
3082 netif_device_attach(netdev);
3083 adapter->fw_fail_cnt = 0;
3084 adapter->flags &= ~QLCNIC_FW_HANG;
3085 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3086 qlcnic_set_drv_version(adapter);
3087
3088 if (!qlcnic_clr_drv_state(adapter))
3089 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3090 FW_POLL_DELAY);
3091 }
3092
3093 static int
3094 qlcnic_check_health(struct qlcnic_adapter *adapter)
3095 {
3096 u32 state = 0, heartbeat;
3097 u32 peg_status;
3098
3099 if (qlcnic_check_temp(adapter))
3100 goto detach;
3101
3102 if (adapter->need_fw_reset)
3103 qlcnic_dev_request_reset(adapter, 0);
3104
3105 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3106 if (state == QLCNIC_DEV_NEED_RESET) {
3107 qlcnic_set_npar_non_operational(adapter);
3108 adapter->need_fw_reset = 1;
3109 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3110 goto detach;
3111
3112 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3113 if (heartbeat != adapter->heartbeat) {
3114 adapter->heartbeat = heartbeat;
3115 adapter->fw_fail_cnt = 0;
3116 if (adapter->need_fw_reset)
3117 goto detach;
3118
3119 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
3120 qlcnic_reset_hw_context(adapter);
3121
3122 return 0;
3123 }
3124
3125 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3126 return 0;
3127
3128 adapter->flags |= QLCNIC_FW_HANG;
3129
3130 qlcnic_dev_request_reset(adapter, 0);
3131
3132 if (qlcnic_auto_fw_reset)
3133 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3134
3135 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3136 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3137 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3138 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3139 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3140 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3141 "PEG_NET_4_PC: 0x%x\n",
3142 peg_status,
3143 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3144 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3145 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3146 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3147 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3148 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
3149 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3150 dev_err(&adapter->pdev->dev,
3151 "Firmware aborted with error code 0x00006700. "
3152 "Device is being reset.\n");
3153 detach:
3154 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3155 QLCNIC_DEV_NEED_RESET;
3156
3157 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3158 &adapter->state)) {
3159
3160 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3161 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3162 }
3163
3164 return 1;
3165 }
3166
3167 void qlcnic_fw_poll_work(struct work_struct *work)
3168 {
3169 struct qlcnic_adapter *adapter = container_of(work,
3170 struct qlcnic_adapter, fw_work.work);
3171
3172 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3173 goto reschedule;
3174
3175
3176 if (qlcnic_check_health(adapter))
3177 return;
3178
3179 if (adapter->fhash.fnum)
3180 qlcnic_prune_lb_filters(adapter);
3181
3182 reschedule:
3183 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3184 }
3185
3186 static int qlcnic_is_first_func(struct pci_dev *pdev)
3187 {
3188 struct pci_dev *oth_pdev;
3189 int val = pdev->devfn;
3190
3191 while (val-- > 0) {
3192 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3193 (pdev->bus), pdev->bus->number,
3194 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3195 if (!oth_pdev)
3196 continue;
3197
3198 if (oth_pdev->current_state != PCI_D3cold) {
3199 pci_dev_put(oth_pdev);
3200 return 0;
3201 }
3202 pci_dev_put(oth_pdev);
3203 }
3204 return 1;
3205 }
3206
3207 static int qlcnic_attach_func(struct pci_dev *pdev)
3208 {
3209 int err, first_func;
3210 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3211 struct net_device *netdev = adapter->netdev;
3212
3213 pdev->error_state = pci_channel_io_normal;
3214
3215 err = pci_enable_device(pdev);
3216 if (err)
3217 return err;
3218
3219 pci_set_master(pdev);
3220 pci_restore_state(pdev);
3221
3222 first_func = qlcnic_is_first_func(pdev);
3223
3224 if (qlcnic_api_lock(adapter))
3225 return -EINVAL;
3226
3227 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3228 adapter->need_fw_reset = 1;
3229 set_bit(__QLCNIC_START_FW, &adapter->state);
3230 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3231 QLCNIC_DEV_INITIALIZING);
3232 QLCDB(adapter, DRV, "Restarting fw\n");
3233 }
3234 qlcnic_api_unlock(adapter);
3235
3236 err = qlcnic_start_firmware(adapter);
3237 if (err)
3238 return err;
3239
3240 qlcnic_clr_drv_state(adapter);
3241 kfree(adapter->msix_entries);
3242 adapter->msix_entries = NULL;
3243 err = qlcnic_setup_intr(adapter, 0);
3244
3245 if (err) {
3246 kfree(adapter->msix_entries);
3247 netdev_err(netdev, "failed to setup interrupt\n");
3248 return err;
3249 }
3250
3251 if (qlcnic_83xx_check(adapter)) {
3252 /* register for NIC IDC AEN Events */
3253 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3254 err = qlcnic_83xx_setup_mbx_intr(adapter);
3255 if (err) {
3256 dev_err(&adapter->pdev->dev,
3257 "failed to setup mbx interrupt\n");
3258 qlcnic_clr_all_drv_state(adapter, 1);
3259 clear_bit(__QLCNIC_AER, &adapter->state);
3260 goto done;
3261 }
3262 }
3263
3264 if (netif_running(netdev)) {
3265 err = qlcnic_attach(adapter);
3266 if (err) {
3267 qlcnic_clr_all_drv_state(adapter, 1);
3268 clear_bit(__QLCNIC_AER, &adapter->state);
3269 netif_device_attach(netdev);
3270 return err;
3271 }
3272
3273 err = qlcnic_up(adapter, netdev);
3274 if (err)
3275 goto done;
3276
3277 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3278 }
3279 done:
3280 netif_device_attach(netdev);
3281 return err;
3282 }
3283
3284 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3285 pci_channel_state_t state)
3286 {
3287 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3288 struct net_device *netdev = adapter->netdev;
3289
3290 if (state == pci_channel_io_perm_failure)
3291 return PCI_ERS_RESULT_DISCONNECT;
3292
3293 if (state == pci_channel_io_normal)
3294 return PCI_ERS_RESULT_RECOVERED;
3295
3296 set_bit(__QLCNIC_AER, &adapter->state);
3297 netif_device_detach(netdev);
3298
3299 cancel_delayed_work_sync(&adapter->fw_work);
3300
3301 if (netif_running(netdev))
3302 qlcnic_down(adapter, netdev);
3303
3304 if (qlcnic_83xx_check(adapter)) {
3305 qlcnic_83xx_free_mbx_intr(adapter);
3306 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3307 cancel_delayed_work_sync(&adapter->idc_aen_work);
3308 }
3309
3310 qlcnic_detach(adapter);
3311 qlcnic_teardown_intr(adapter);
3312
3313 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3314
3315 pci_save_state(pdev);
3316 pci_disable_device(pdev);
3317
3318 return PCI_ERS_RESULT_NEED_RESET;
3319 }
3320
3321 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3322 {
3323 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3324 PCI_ERS_RESULT_RECOVERED;
3325 }
3326
3327 static void qlcnic_io_resume(struct pci_dev *pdev)
3328 {
3329 u32 state;
3330 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3331
3332 pci_cleanup_aer_uncorrect_error_status(pdev);
3333 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3334 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3335 &adapter->state))
3336 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3337 FW_POLL_DELAY);
3338 }
3339
3340 static int
3341 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3342 {
3343 int err;
3344
3345 err = qlcnic_can_start_firmware(adapter);
3346 if (err)
3347 return err;
3348
3349 err = qlcnic_check_npar_opertional(adapter);
3350 if (err)
3351 return err;
3352
3353 err = qlcnic_initialize_nic(adapter);
3354 if (err)
3355 return err;
3356
3357 qlcnic_check_options(adapter);
3358
3359 err = qlcnic_set_eswitch_port_config(adapter);
3360 if (err)
3361 return err;
3362
3363 adapter->need_fw_reset = 0;
3364
3365 return err;
3366 }
3367
3368 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3369 __u32 val)
3370 {
3371 struct net_device *netdev = adapter->netdev;
3372 u8 max_hw = adapter->ahw->max_rx_ques;
3373 u32 max_allowed;
3374
3375 if (val > QLC_MAX_SDS_RINGS) {
3376 netdev_err(netdev, "RSS value should not be higher than %u\n",
3377 QLC_MAX_SDS_RINGS);
3378 return -EINVAL;
3379 }
3380
3381 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3382 num_online_cpus()));
3383 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3384 if (!is_power_of_2(val))
3385 netdev_err(netdev, "RSS value should be a power of 2\n");
3386
3387 if (val < 2)
3388 netdev_err(netdev, "RSS value should not be lower than 2\n");
3389
3390 if (val > max_hw)
3391 netdev_err(netdev,
3392 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3393 max_hw);
3394
3395 if (val > num_online_cpus())
3396 netdev_err(netdev,
3397 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3398 num_online_cpus());
3399
3400 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3401
3402 return -EINVAL;
3403 }
3404 return 0;
3405 }
3406
3407 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
3408 {
3409 int err;
3410 struct net_device *netdev = adapter->netdev;
3411
3412 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3413 return -EBUSY;
3414
3415 netif_device_detach(netdev);
3416 if (netif_running(netdev))
3417 __qlcnic_down(adapter, netdev);
3418
3419 qlcnic_detach(adapter);
3420
3421 if (qlcnic_83xx_check(adapter)) {
3422 qlcnic_83xx_free_mbx_intr(adapter);
3423 qlcnic_83xx_enable_mbx_poll(adapter);
3424 }
3425
3426 qlcnic_teardown_intr(adapter);
3427 err = qlcnic_setup_intr(adapter, data);
3428 if (err) {
3429 kfree(adapter->msix_entries);
3430 netdev_err(netdev, "failed to setup interrupt\n");
3431 return err;
3432 }
3433
3434 if (qlcnic_83xx_check(adapter)) {
3435 /* register for NIC IDC AEN Events */
3436 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3437 err = qlcnic_83xx_setup_mbx_intr(adapter);
3438 qlcnic_83xx_disable_mbx_poll(adapter);
3439 if (err) {
3440 dev_err(&adapter->pdev->dev,
3441 "failed to setup mbx interrupt\n");
3442 goto done;
3443 }
3444 }
3445
3446 if (netif_running(netdev)) {
3447 err = qlcnic_attach(adapter);
3448 if (err)
3449 goto done;
3450 err = __qlcnic_up(adapter, netdev);
3451 if (err)
3452 goto done;
3453 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3454 }
3455 err = len;
3456 done:
3457 netif_device_attach(netdev);
3458 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3459 return err;
3460 }
3461
3462 #ifdef CONFIG_INET
3463
3464 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3465
3466 static void
3467 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3468 struct net_device *dev, unsigned long event)
3469 {
3470 struct in_device *indev;
3471
3472 indev = in_dev_get(dev);
3473 if (!indev)
3474 return;
3475
3476 for_ifa(indev) {
3477 switch (event) {
3478 case NETDEV_UP:
3479 qlcnic_config_ipaddr(adapter,
3480 ifa->ifa_address, QLCNIC_IP_UP);
3481 break;
3482 case NETDEV_DOWN:
3483 qlcnic_config_ipaddr(adapter,
3484 ifa->ifa_address, QLCNIC_IP_DOWN);
3485 break;
3486 default:
3487 break;
3488 }
3489 } endfor_ifa(indev);
3490
3491 in_dev_put(indev);
3492 }
3493
3494 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3495 {
3496 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3497 struct net_device *dev;
3498 u16 vid;
3499
3500 qlcnic_config_indev_addr(adapter, netdev, event);
3501
3502 rcu_read_lock();
3503 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3504 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3505 if (!dev)
3506 continue;
3507 qlcnic_config_indev_addr(adapter, dev, event);
3508 }
3509 rcu_read_unlock();
3510 }
3511
3512 static int qlcnic_netdev_event(struct notifier_block *this,
3513 unsigned long event, void *ptr)
3514 {
3515 struct qlcnic_adapter *adapter;
3516 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3517
3518 recheck:
3519 if (dev == NULL)
3520 goto done;
3521
3522 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3523 dev = vlan_dev_real_dev(dev);
3524 goto recheck;
3525 }
3526
3527 if (!is_qlcnic_netdev(dev))
3528 goto done;
3529
3530 adapter = netdev_priv(dev);
3531
3532 if (!adapter)
3533 goto done;
3534
3535 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3536 goto done;
3537
3538 qlcnic_config_indev_addr(adapter, dev, event);
3539 done:
3540 return NOTIFY_DONE;
3541 }
3542
3543 static int
3544 qlcnic_inetaddr_event(struct notifier_block *this,
3545 unsigned long event, void *ptr)
3546 {
3547 struct qlcnic_adapter *adapter;
3548 struct net_device *dev;
3549
3550 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3551
3552 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3553
3554 recheck:
3555 if (dev == NULL)
3556 goto done;
3557
3558 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3559 dev = vlan_dev_real_dev(dev);
3560 goto recheck;
3561 }
3562
3563 if (!is_qlcnic_netdev(dev))
3564 goto done;
3565
3566 adapter = netdev_priv(dev);
3567
3568 if (!adapter)
3569 goto done;
3570
3571 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3572 goto done;
3573
3574 switch (event) {
3575 case NETDEV_UP:
3576 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3577
3578 break;
3579 case NETDEV_DOWN:
3580 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3581
3582 break;
3583 default:
3584 break;
3585 }
3586
3587 done:
3588 return NOTIFY_DONE;
3589 }
3590
3591 static struct notifier_block qlcnic_netdev_cb = {
3592 .notifier_call = qlcnic_netdev_event,
3593 };
3594
3595 static struct notifier_block qlcnic_inetaddr_cb = {
3596 .notifier_call = qlcnic_inetaddr_event,
3597 };
3598 #else
3599 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3600 { }
3601 #endif
3602 static const struct pci_error_handlers qlcnic_err_handler = {
3603 .error_detected = qlcnic_io_error_detected,
3604 .slot_reset = qlcnic_io_slot_reset,
3605 .resume = qlcnic_io_resume,
3606 };
3607
3608 static struct pci_driver qlcnic_driver = {
3609 .name = qlcnic_driver_name,
3610 .id_table = qlcnic_pci_tbl,
3611 .probe = qlcnic_probe,
3612 .remove = qlcnic_remove,
3613 #ifdef CONFIG_PM
3614 .suspend = qlcnic_suspend,
3615 .resume = qlcnic_resume,
3616 #endif
3617 .shutdown = qlcnic_shutdown,
3618 .err_handler = &qlcnic_err_handler,
3619 #ifdef CONFIG_QLCNIC_SRIOV
3620 .sriov_configure = qlcnic_pci_sriov_configure,
3621 #endif
3622
3623 };
3624
3625 static int __init qlcnic_init_module(void)
3626 {
3627 int ret;
3628
3629 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3630
3631 #ifdef CONFIG_INET
3632 register_netdevice_notifier(&qlcnic_netdev_cb);
3633 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3634 #endif
3635
3636 ret = pci_register_driver(&qlcnic_driver);
3637 if (ret) {
3638 #ifdef CONFIG_INET
3639 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3640 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3641 #endif
3642 }
3643
3644 return ret;
3645 }
3646
3647 module_init(qlcnic_init_module);
3648
3649 static void __exit qlcnic_exit_module(void)
3650 {
3651 pci_unregister_driver(&qlcnic_driver);
3652
3653 #ifdef CONFIG_INET
3654 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3655 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3656 #endif
3657 }
3658
3659 module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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