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Merge tag 'fixes-3.10-1' of git://git.infradead.org/users/jcooper/linux into fixes
[GitHub/mt8127/android_kernel_alcatel_ttab.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 int qlcnic_config_npars;
56 module_param(qlcnic_config_npars, int, 0444);
57 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled)");
58
59 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
60 static void qlcnic_remove(struct pci_dev *pdev);
61 static int qlcnic_open(struct net_device *netdev);
62 static int qlcnic_close(struct net_device *netdev);
63 static void qlcnic_tx_timeout(struct net_device *netdev);
64 static void qlcnic_attach_work(struct work_struct *work);
65 static void qlcnic_fwinit_work(struct work_struct *work);
66 static void qlcnic_fw_poll_work(struct work_struct *work);
67 #ifdef CONFIG_NET_POLL_CONTROLLER
68 static void qlcnic_poll_controller(struct net_device *netdev);
69 #endif
70
71 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
72 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
73 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
74
75 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
76 static irqreturn_t qlcnic_intr(int irq, void *data);
77 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
78 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
79 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
80
81 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
82 static int qlcnic_start_firmware(struct qlcnic_adapter *);
83
84 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
85 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
86 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
87 static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
88 struct qlcnic_esw_func_cfg *);
89 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
90 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
91
92 #define QLCNIC_IS_TSO_CAPABLE(adapter) \
93 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
94
95 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
96 {
97 struct qlcnic_hardware_context *ahw = adapter->ahw;
98
99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
101 else
102 return 1;
103 }
104
105 /* PCI Device ID Table */
106 #define ENTRY(device) \
107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
109
110 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
114 {0,}
115 };
116
117 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
118
119
120 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
121 {
122 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
123 }
124
125 static const u32 msi_tgt_status[8] = {
126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
130 };
131
132 static const u32 qlcnic_reg_tbl[] = {
133 0x1B20A8, /* PEG_HALT_STAT1 */
134 0x1B20AC, /* PEG_HALT_STAT2 */
135 0x1B20B0, /* FW_HEARTBEAT */
136 0x1B2100, /* LOCK ID */
137 0x1B2128, /* FW_CAPABILITIES */
138 0x1B2138, /* drv active */
139 0x1B2140, /* dev state */
140 0x1B2144, /* drv state */
141 0x1B2148, /* drv scratch */
142 0x1B214C, /* dev partition info */
143 0x1B2174, /* drv idc ver */
144 0x1B2150, /* fw version major */
145 0x1B2154, /* fw version minor */
146 0x1B2158, /* fw version sub */
147 0x1B219C, /* npar state */
148 0x1B21FC, /* FW_IMG_VALID */
149 0x1B2250, /* CMD_PEG_STATE */
150 0x1B233C, /* RCV_PEG_STATE */
151 0x1B23B4, /* ASIC TEMP */
152 0x1B216C, /* FW api */
153 0x1B2170, /* drv op mode */
154 0x13C010, /* flash lock */
155 0x13C014, /* flash unlock */
156 };
157
158 static const struct qlcnic_board_info qlcnic_boards[] = {
159 { PCI_VENDOR_ID_QLOGIC,
160 PCI_DEVICE_ID_QLOGIC_QLE834X,
161 PCI_VENDOR_ID_QLOGIC,
162 0x24e,
163 "8300 Series Dual Port 10GbE Converged Network Adapter "
164 "(TCP/IP Networking)" },
165 { PCI_VENDOR_ID_QLOGIC,
166 PCI_DEVICE_ID_QLOGIC_QLE834X,
167 PCI_VENDOR_ID_QLOGIC,
168 0x243,
169 "8300 Series Single Port 10GbE Converged Network Adapter "
170 "(TCP/IP Networking)" },
171 { PCI_VENDOR_ID_QLOGIC,
172 PCI_DEVICE_ID_QLOGIC_QLE834X,
173 PCI_VENDOR_ID_QLOGIC,
174 0x24a,
175 "8300 Series Dual Port 10GbE Converged Network Adapter "
176 "(TCP/IP Networking)" },
177 { PCI_VENDOR_ID_QLOGIC,
178 PCI_DEVICE_ID_QLOGIC_QLE834X,
179 PCI_VENDOR_ID_QLOGIC,
180 0x246,
181 "8300 Series Dual Port 10GbE Converged Network Adapter "
182 "(TCP/IP Networking)" },
183 { PCI_VENDOR_ID_QLOGIC,
184 PCI_DEVICE_ID_QLOGIC_QLE834X,
185 PCI_VENDOR_ID_QLOGIC,
186 0x252,
187 "8300 Series Dual Port 10GbE Converged Network Adapter "
188 "(TCP/IP Networking)" },
189 { PCI_VENDOR_ID_QLOGIC,
190 PCI_DEVICE_ID_QLOGIC_QLE834X,
191 PCI_VENDOR_ID_QLOGIC,
192 0x26e,
193 "8300 Series Dual Port 10GbE Converged Network Adapter "
194 "(TCP/IP Networking)" },
195 { PCI_VENDOR_ID_QLOGIC,
196 PCI_DEVICE_ID_QLOGIC_QLE834X,
197 PCI_VENDOR_ID_QLOGIC,
198 0x260,
199 "8300 Series Dual Port 10GbE Converged Network Adapter "
200 "(TCP/IP Networking)" },
201 { PCI_VENDOR_ID_QLOGIC,
202 PCI_DEVICE_ID_QLOGIC_QLE834X,
203 PCI_VENDOR_ID_QLOGIC,
204 0x266,
205 "8300 Series Single Port 10GbE Converged Network Adapter "
206 "(TCP/IP Networking)" },
207 { PCI_VENDOR_ID_QLOGIC,
208 PCI_DEVICE_ID_QLOGIC_QLE834X,
209 PCI_VENDOR_ID_QLOGIC,
210 0x269,
211 "8300 Series Dual Port 10GbE Converged Network Adapter "
212 "(TCP/IP Networking)" },
213 { PCI_VENDOR_ID_QLOGIC,
214 PCI_DEVICE_ID_QLOGIC_QLE834X,
215 PCI_VENDOR_ID_QLOGIC,
216 0x271,
217 "8300 Series Dual Port 10GbE Converged Network Adapter "
218 "(TCP/IP Networking)" },
219 { PCI_VENDOR_ID_QLOGIC,
220 PCI_DEVICE_ID_QLOGIC_QLE834X,
221 0x0, 0x0, "8300 Series 1/10GbE Controller" },
222 { PCI_VENDOR_ID_QLOGIC,
223 PCI_DEVICE_ID_QLOGIC_QLE824X,
224 PCI_VENDOR_ID_QLOGIC,
225 0x203,
226 "8200 Series Single Port 10GbE Converged Network Adapter"
227 "(TCP/IP Networking)" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE824X,
230 PCI_VENDOR_ID_QLOGIC,
231 0x207,
232 "8200 Series Dual Port 10GbE Converged Network Adapter"
233 "(TCP/IP Networking)" },
234 { PCI_VENDOR_ID_QLOGIC,
235 PCI_DEVICE_ID_QLOGIC_QLE824X,
236 PCI_VENDOR_ID_QLOGIC,
237 0x20b,
238 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
239 { PCI_VENDOR_ID_QLOGIC,
240 PCI_DEVICE_ID_QLOGIC_QLE824X,
241 PCI_VENDOR_ID_QLOGIC,
242 0x20c,
243 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
244 { PCI_VENDOR_ID_QLOGIC,
245 PCI_DEVICE_ID_QLOGIC_QLE824X,
246 PCI_VENDOR_ID_QLOGIC,
247 0x20f,
248 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
249 { PCI_VENDOR_ID_QLOGIC,
250 PCI_DEVICE_ID_QLOGIC_QLE824X,
251 0x103c, 0x3733,
252 "NC523SFP 10Gb 2-port Server Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 0x103c, 0x3346,
256 "CN1000Q Dual Port Converged Network Adapter" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
259 PCI_VENDOR_ID_QLOGIC,
260 0x210,
261 "QME8242-k 10GbE Dual Port Mezzanine Card" },
262 { PCI_VENDOR_ID_QLOGIC,
263 PCI_DEVICE_ID_QLOGIC_QLE824X,
264 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
265 };
266
267 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
268 #define QLC_MAX_SDS_RINGS 8
269
270 static const
271 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
272
273 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
274 {
275 int size = sizeof(struct qlcnic_host_sds_ring) * count;
276
277 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
278
279 return recv_ctx->sds_rings == NULL;
280 }
281
282 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
283 {
284 if (recv_ctx->sds_rings != NULL)
285 kfree(recv_ctx->sds_rings);
286
287 recv_ctx->sds_rings = NULL;
288 }
289
290 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
291 {
292 u8 mac_addr[ETH_ALEN];
293 struct net_device *netdev = adapter->netdev;
294 struct pci_dev *pdev = adapter->pdev;
295
296 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
297 return -EIO;
298
299 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
300 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
301
302 /* set station address */
303
304 if (!is_valid_ether_addr(netdev->dev_addr))
305 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
306 netdev->dev_addr);
307
308 return 0;
309 }
310
311 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
312 {
313 struct qlcnic_mac_list_s *cur;
314 struct list_head *head;
315
316 list_for_each(head, &adapter->mac_list) {
317 cur = list_entry(head, struct qlcnic_mac_list_s, list);
318 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
319 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
320 0, QLCNIC_MAC_DEL);
321 list_del(&cur->list);
322 kfree(cur);
323 return;
324 }
325 }
326 }
327
328 static int qlcnic_set_mac(struct net_device *netdev, void *p)
329 {
330 struct qlcnic_adapter *adapter = netdev_priv(netdev);
331 struct sockaddr *addr = p;
332
333 if (qlcnic_sriov_vf_check(adapter))
334 return -EINVAL;
335
336 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
337 return -EOPNOTSUPP;
338
339 if (!is_valid_ether_addr(addr->sa_data))
340 return -EINVAL;
341
342 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
343 return 0;
344
345 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
346 netif_device_detach(netdev);
347 qlcnic_napi_disable(adapter);
348 }
349
350 qlcnic_delete_adapter_mac(adapter);
351 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
352 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
353 qlcnic_set_multi(adapter->netdev);
354
355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
356 netif_device_attach(netdev);
357 qlcnic_napi_enable(adapter);
358 }
359 return 0;
360 }
361
362 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
363 struct net_device *netdev, const unsigned char *addr)
364 {
365 struct qlcnic_adapter *adapter = netdev_priv(netdev);
366 int err = -EOPNOTSUPP;
367
368 if (!adapter->fdb_mac_learn)
369 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
370
371 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
372 if (is_unicast_ether_addr(addr))
373 err = qlcnic_nic_del_mac(adapter, addr);
374 else if (is_multicast_ether_addr(addr))
375 err = dev_mc_del(netdev, addr);
376 else
377 err = -EINVAL;
378 }
379 return err;
380 }
381
382 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
383 struct net_device *netdev,
384 const unsigned char *addr, u16 flags)
385 {
386 struct qlcnic_adapter *adapter = netdev_priv(netdev);
387 int err = 0;
388
389 if (!adapter->fdb_mac_learn)
390 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
391
392 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
393 pr_info("%s: FDB e-switch is not enabled\n", __func__);
394 return -EOPNOTSUPP;
395 }
396
397 if (ether_addr_equal(addr, adapter->mac_addr))
398 return err;
399
400 if (is_unicast_ether_addr(addr))
401 err = qlcnic_nic_add_mac(adapter, addr, 0);
402 else if (is_multicast_ether_addr(addr))
403 err = dev_mc_add_excl(netdev, addr);
404 else
405 err = -EINVAL;
406
407 return err;
408 }
409
410 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
411 struct net_device *netdev, int idx)
412 {
413 struct qlcnic_adapter *adapter = netdev_priv(netdev);
414
415 if (!adapter->fdb_mac_learn)
416 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
417
418 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
419 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
420
421 return idx;
422 }
423
424 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
425 {
426 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
427 usleep_range(10000, 11000);
428
429 cancel_delayed_work_sync(&adapter->fw_work);
430 }
431
432 static const struct net_device_ops qlcnic_netdev_ops = {
433 .ndo_open = qlcnic_open,
434 .ndo_stop = qlcnic_close,
435 .ndo_start_xmit = qlcnic_xmit_frame,
436 .ndo_get_stats = qlcnic_get_stats,
437 .ndo_validate_addr = eth_validate_addr,
438 .ndo_set_rx_mode = qlcnic_set_multi,
439 .ndo_set_mac_address = qlcnic_set_mac,
440 .ndo_change_mtu = qlcnic_change_mtu,
441 .ndo_fix_features = qlcnic_fix_features,
442 .ndo_set_features = qlcnic_set_features,
443 .ndo_tx_timeout = qlcnic_tx_timeout,
444 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
445 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
446 .ndo_fdb_add = qlcnic_fdb_add,
447 .ndo_fdb_del = qlcnic_fdb_del,
448 .ndo_fdb_dump = qlcnic_fdb_dump,
449 #ifdef CONFIG_NET_POLL_CONTROLLER
450 .ndo_poll_controller = qlcnic_poll_controller,
451 #endif
452 #ifdef CONFIG_QLCNIC_SRIOV
453 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
454 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
455 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
456 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
457 #endif
458 };
459
460 static const struct net_device_ops qlcnic_netdev_failed_ops = {
461 .ndo_open = qlcnic_open,
462 };
463
464 static struct qlcnic_nic_template qlcnic_ops = {
465 .config_bridged_mode = qlcnic_config_bridged_mode,
466 .config_led = qlcnic_82xx_config_led,
467 .start_firmware = qlcnic_82xx_start_firmware,
468 .request_reset = qlcnic_82xx_dev_request_reset,
469 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
470 .napi_add = qlcnic_82xx_napi_add,
471 .napi_del = qlcnic_82xx_napi_del,
472 .config_ipaddr = qlcnic_82xx_config_ipaddr,
473 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
474 };
475
476 struct qlcnic_nic_template qlcnic_vf_ops = {
477 .config_bridged_mode = qlcnicvf_config_bridged_mode,
478 .config_led = qlcnicvf_config_led,
479 .start_firmware = qlcnicvf_start_firmware
480 };
481
482 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
483 .read_crb = qlcnic_82xx_read_crb,
484 .write_crb = qlcnic_82xx_write_crb,
485 .read_reg = qlcnic_82xx_hw_read_wx_2M,
486 .write_reg = qlcnic_82xx_hw_write_wx_2M,
487 .get_mac_address = qlcnic_82xx_get_mac_address,
488 .setup_intr = qlcnic_82xx_setup_intr,
489 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
490 .mbx_cmd = qlcnic_82xx_issue_cmd,
491 .get_func_no = qlcnic_82xx_get_func_no,
492 .api_lock = qlcnic_82xx_api_lock,
493 .api_unlock = qlcnic_82xx_api_unlock,
494 .add_sysfs = qlcnic_82xx_add_sysfs,
495 .remove_sysfs = qlcnic_82xx_remove_sysfs,
496 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
497 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
498 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
499 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
500 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
501 .setup_link_event = qlcnic_82xx_linkevent_request,
502 .get_nic_info = qlcnic_82xx_get_nic_info,
503 .get_pci_info = qlcnic_82xx_get_pci_info,
504 .set_nic_info = qlcnic_82xx_set_nic_info,
505 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
506 .napi_enable = qlcnic_82xx_napi_enable,
507 .napi_disable = qlcnic_82xx_napi_disable,
508 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
509 .config_rss = qlcnic_82xx_config_rss,
510 .config_hw_lro = qlcnic_82xx_config_hw_lro,
511 .config_loopback = qlcnic_82xx_set_lb_mode,
512 .clear_loopback = qlcnic_82xx_clear_lb_mode,
513 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
514 .change_l2_filter = qlcnic_82xx_change_filter,
515 .get_board_info = qlcnic_82xx_get_board_info,
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 i, ret = 1;
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 if (qlcnic_config_npars) {
785 for (i = 0; i < ahw->act_pci_func; i++) {
786 id = adapter->npars[i].pci_func;
787 if (id == ahw->pci_func)
788 continue;
789 data |= (qlcnic_config_npars &
790 QLC_DEV_SET_DRV(0xf, id));
791 }
792 } else {
793 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
794 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
795 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
796 ahw->pci_func));
797 }
798 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
799 qlcnic_api_unlock(adapter);
800 err_lock:
801 return ret;
802 }
803
804 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
805 const struct pci_device_id *ent)
806 {
807 u32 op_mode, priv_level;
808
809 /* Determine FW API version */
810 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
811 QLCNIC_FW_API);
812
813 /* Find PCI function number */
814 qlcnic_get_func_no(adapter);
815
816 /* Determine function privilege level */
817 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
818 if (op_mode == QLC_DEV_DRV_DEFAULT)
819 priv_level = QLCNIC_MGMT_FUNC;
820 else
821 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
822
823 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
824 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
825 dev_info(&adapter->pdev->dev,
826 "HAL Version: %d Non Privileged function\n",
827 adapter->ahw->fw_hal_version);
828 adapter->nic_ops = &qlcnic_vf_ops;
829 } else
830 adapter->nic_ops = &qlcnic_ops;
831 }
832
833 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
834 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
835 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
836 {
837 switch (dev_id) {
838 case PCI_DEVICE_ID_QLOGIC_QLE824X:
839 *bar = QLCNIC_82XX_BAR0_LENGTH;
840 break;
841 case PCI_DEVICE_ID_QLOGIC_QLE834X:
842 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
843 *bar = QLCNIC_83XX_BAR0_LENGTH;
844 break;
845 default:
846 *bar = 0;
847 }
848 }
849
850 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
851 struct qlcnic_hardware_context *ahw)
852 {
853 u32 offset;
854 void __iomem *mem_ptr0 = NULL;
855 unsigned long mem_len, pci_len0 = 0, bar0_len;
856
857 /* remap phys address */
858 mem_len = pci_resource_len(pdev, 0);
859
860 qlcnic_get_bar_length(pdev->device, &bar0_len);
861 if (mem_len >= bar0_len) {
862
863 mem_ptr0 = pci_ioremap_bar(pdev, 0);
864 if (mem_ptr0 == NULL) {
865 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
866 return -EIO;
867 }
868 pci_len0 = mem_len;
869 } else {
870 return -EIO;
871 }
872
873 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
874
875 ahw->pci_base0 = mem_ptr0;
876 ahw->pci_len0 = pci_len0;
877 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
878 qlcnic_get_ioaddr(ahw, offset);
879
880 return 0;
881 }
882
883 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
884 {
885 struct pci_dev *pdev = adapter->pdev;
886 int i, found = 0;
887
888 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
889 if (qlcnic_boards[i].vendor == pdev->vendor &&
890 qlcnic_boards[i].device == pdev->device &&
891 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
892 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
893 sprintf(name, "%pM: %s" ,
894 adapter->mac_addr,
895 qlcnic_boards[i].short_name);
896 found = 1;
897 break;
898 }
899
900 }
901
902 if (!found)
903 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
904 }
905
906 static void
907 qlcnic_check_options(struct qlcnic_adapter *adapter)
908 {
909 int err;
910 u32 fw_major, fw_minor, fw_build, prev_fw_version;
911 struct pci_dev *pdev = adapter->pdev;
912 struct qlcnic_hardware_context *ahw = adapter->ahw;
913 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
914
915 prev_fw_version = adapter->fw_version;
916
917 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
918 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
919 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
920
921 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
922
923 err = qlcnic_get_board_info(adapter);
924 if (err) {
925 dev_err(&pdev->dev, "Error getting board config info.\n");
926 return;
927 }
928 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
929 if (fw_dump->tmpl_hdr == NULL ||
930 adapter->fw_version > prev_fw_version) {
931 if (fw_dump->tmpl_hdr)
932 vfree(fw_dump->tmpl_hdr);
933 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
934 dev_info(&pdev->dev,
935 "Supports FW dump capability\n");
936 }
937 }
938
939 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
940 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
941
942 if (adapter->ahw->port_type == QLCNIC_XGBE) {
943 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
944 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
945 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
946 } else {
947 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
948 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
949 }
950
951 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
952 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
953
954 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
955 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
956 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
957 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
958 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
959 }
960
961 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
962
963 adapter->num_txd = MAX_CMD_DESCRIPTORS;
964
965 adapter->max_rds_rings = MAX_RDS_RINGS;
966 }
967
968 static int
969 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
970 {
971 int err;
972 struct qlcnic_info nic_info;
973
974 memset(&nic_info, 0, sizeof(struct qlcnic_info));
975 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
976 if (err)
977 return err;
978
979 adapter->ahw->physical_port = (u8)nic_info.phys_port;
980 adapter->ahw->switch_mode = nic_info.switch_mode;
981 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
982 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
983 adapter->ahw->capabilities = nic_info.capabilities;
984
985 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
986 u32 temp;
987 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
988 adapter->ahw->capabilities2 = temp;
989 }
990 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
991 adapter->ahw->max_mtu = nic_info.max_mtu;
992
993 /* Disable NPAR for 83XX */
994 if (qlcnic_83xx_check(adapter))
995 return err;
996
997 if (adapter->ahw->capabilities & BIT_6)
998 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
999 else
1000 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1001
1002 return err;
1003 }
1004
1005 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1006 struct qlcnic_esw_func_cfg *esw_cfg)
1007 {
1008 if (esw_cfg->discard_tagged)
1009 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1010 else
1011 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1012
1013 if (esw_cfg->vlan_id) {
1014 adapter->rx_pvid = esw_cfg->vlan_id;
1015 adapter->tx_pvid = esw_cfg->vlan_id;
1016 } else {
1017 adapter->rx_pvid = 0;
1018 adapter->tx_pvid = 0;
1019 }
1020 }
1021
1022 static int
1023 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1024 {
1025 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1026 int err;
1027
1028 if (qlcnic_sriov_vf_check(adapter)) {
1029 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1030 if (err) {
1031 netdev_err(netdev,
1032 "Cannot add VLAN filter for VLAN id %d, err=%d",
1033 vid, err);
1034 return err;
1035 }
1036 }
1037
1038 set_bit(vid, adapter->vlans);
1039 return 0;
1040 }
1041
1042 static int
1043 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1044 {
1045 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1046 int err;
1047
1048 if (qlcnic_sriov_vf_check(adapter)) {
1049 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1050 if (err) {
1051 netdev_err(netdev,
1052 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1053 vid, err);
1054 return err;
1055 }
1056 }
1057
1058 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1059 clear_bit(vid, adapter->vlans);
1060 return 0;
1061 }
1062
1063 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1064 struct qlcnic_esw_func_cfg *esw_cfg)
1065 {
1066 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1067 QLCNIC_PROMISC_DISABLED);
1068
1069 if (esw_cfg->mac_anti_spoof)
1070 adapter->flags |= QLCNIC_MACSPOOF;
1071
1072 if (!esw_cfg->mac_override)
1073 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1074
1075 if (!esw_cfg->promisc_mode)
1076 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1077
1078 qlcnic_set_netdev_features(adapter, esw_cfg);
1079 }
1080
1081 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1082 {
1083 struct qlcnic_esw_func_cfg esw_cfg;
1084
1085 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1086 return 0;
1087
1088 esw_cfg.pci_func = adapter->ahw->pci_func;
1089 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1090 return -EIO;
1091 qlcnic_set_vlan_config(adapter, &esw_cfg);
1092 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1093
1094 return 0;
1095 }
1096
1097 static void
1098 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1099 struct qlcnic_esw_func_cfg *esw_cfg)
1100 {
1101 struct net_device *netdev = adapter->netdev;
1102 unsigned long features, vlan_features;
1103
1104 if (qlcnic_83xx_check(adapter))
1105 return;
1106
1107 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1108 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
1109 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
1110 NETIF_F_IPV6_CSUM);
1111
1112 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1113 features |= (NETIF_F_TSO | NETIF_F_TSO6);
1114 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1115 }
1116
1117 if (netdev->features & NETIF_F_LRO)
1118 features |= NETIF_F_LRO;
1119
1120 if (esw_cfg->offload_flags & BIT_0) {
1121 netdev->features |= features;
1122 adapter->rx_csum = 1;
1123 if (!(esw_cfg->offload_flags & BIT_1)) {
1124 netdev->features &= ~NETIF_F_TSO;
1125 features &= ~NETIF_F_TSO;
1126 }
1127 if (!(esw_cfg->offload_flags & BIT_2)) {
1128 netdev->features &= ~NETIF_F_TSO6;
1129 features &= ~NETIF_F_TSO6;
1130 }
1131 } else {
1132 netdev->features &= ~features;
1133 features &= ~features;
1134 adapter->rx_csum = 0;
1135 }
1136
1137 netdev->vlan_features = (features & vlan_features);
1138 }
1139
1140 static int
1141 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1142 {
1143 u32 op_mode, priv_level;
1144 int err = 0;
1145
1146 err = qlcnic_initialize_nic(adapter);
1147 if (err)
1148 return err;
1149
1150 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1151 return 0;
1152
1153 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1154 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1155
1156 if (op_mode == QLC_DEV_DRV_DEFAULT)
1157 priv_level = QLCNIC_MGMT_FUNC;
1158 else
1159 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1160
1161 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1162 if (priv_level == QLCNIC_MGMT_FUNC) {
1163 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1164 err = qlcnic_init_pci_info(adapter);
1165 if (err)
1166 return err;
1167 /* Set privilege level for other functions */
1168 qlcnic_set_function_modes(adapter);
1169 dev_info(&adapter->pdev->dev,
1170 "HAL Version: %d, Management function\n",
1171 adapter->ahw->fw_hal_version);
1172 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1173 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1174 dev_info(&adapter->pdev->dev,
1175 "HAL Version: %d, Privileged function\n",
1176 adapter->ahw->fw_hal_version);
1177 }
1178 }
1179
1180 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1181
1182 return err;
1183 }
1184
1185 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1186 {
1187 struct qlcnic_esw_func_cfg esw_cfg;
1188 struct qlcnic_npar_info *npar;
1189 u8 i;
1190
1191 if (adapter->need_fw_reset)
1192 return 0;
1193
1194 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1195 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1196 esw_cfg.pci_func = adapter->npars[i].pci_func;
1197 esw_cfg.mac_override = BIT_0;
1198 esw_cfg.promisc_mode = BIT_0;
1199 if (qlcnic_82xx_check(adapter)) {
1200 esw_cfg.offload_flags = BIT_0;
1201 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1202 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1203 }
1204 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1205 return -EIO;
1206 npar = &adapter->npars[i];
1207 npar->pvid = esw_cfg.vlan_id;
1208 npar->mac_override = esw_cfg.mac_override;
1209 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1210 npar->discard_tagged = esw_cfg.discard_tagged;
1211 npar->promisc_mode = esw_cfg.promisc_mode;
1212 npar->offload_flags = esw_cfg.offload_flags;
1213 }
1214
1215 return 0;
1216 }
1217
1218
1219 static int
1220 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1221 struct qlcnic_npar_info *npar, int pci_func)
1222 {
1223 struct qlcnic_esw_func_cfg esw_cfg;
1224 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1225 esw_cfg.pci_func = pci_func;
1226 esw_cfg.vlan_id = npar->pvid;
1227 esw_cfg.mac_override = npar->mac_override;
1228 esw_cfg.discard_tagged = npar->discard_tagged;
1229 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1230 esw_cfg.offload_flags = npar->offload_flags;
1231 esw_cfg.promisc_mode = npar->promisc_mode;
1232 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1233 return -EIO;
1234
1235 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1236 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1237 return -EIO;
1238
1239 return 0;
1240 }
1241
1242 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1243 {
1244 int i, err;
1245 struct qlcnic_npar_info *npar;
1246 struct qlcnic_info nic_info;
1247 u8 pci_func;
1248
1249 if (qlcnic_82xx_check(adapter))
1250 if (!adapter->need_fw_reset)
1251 return 0;
1252
1253 /* Set the NPAR config data after FW reset */
1254 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1255 npar = &adapter->npars[i];
1256 pci_func = npar->pci_func;
1257 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1258 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1259 if (err)
1260 return err;
1261 nic_info.min_tx_bw = npar->min_bw;
1262 nic_info.max_tx_bw = npar->max_bw;
1263 err = qlcnic_set_nic_info(adapter, &nic_info);
1264 if (err)
1265 return err;
1266
1267 if (npar->enable_pm) {
1268 err = qlcnic_config_port_mirroring(adapter,
1269 npar->dest_npar, 1,
1270 pci_func);
1271 if (err)
1272 return err;
1273 }
1274 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1275 if (err)
1276 return err;
1277 }
1278 return 0;
1279 }
1280
1281 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1282 {
1283 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1284 u32 npar_state;
1285
1286 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1287 return 0;
1288
1289 npar_state = QLC_SHARED_REG_RD32(adapter,
1290 QLCNIC_CRB_DEV_NPAR_STATE);
1291 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1292 msleep(1000);
1293 npar_state = QLC_SHARED_REG_RD32(adapter,
1294 QLCNIC_CRB_DEV_NPAR_STATE);
1295 }
1296 if (!npar_opt_timeo) {
1297 dev_err(&adapter->pdev->dev,
1298 "Waiting for NPAR state to operational timeout\n");
1299 return -EIO;
1300 }
1301 return 0;
1302 }
1303
1304 static int
1305 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1306 {
1307 int err;
1308
1309 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1310 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1311 return 0;
1312
1313 err = qlcnic_set_default_offload_settings(adapter);
1314 if (err)
1315 return err;
1316
1317 err = qlcnic_reset_npar_config(adapter);
1318 if (err)
1319 return err;
1320
1321 qlcnic_dev_set_npar_ready(adapter);
1322
1323 return err;
1324 }
1325
1326 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1327 {
1328 int err;
1329
1330 err = qlcnic_can_start_firmware(adapter);
1331 if (err < 0)
1332 return err;
1333 else if (!err)
1334 goto check_fw_status;
1335
1336 if (qlcnic_load_fw_file)
1337 qlcnic_request_firmware(adapter);
1338 else {
1339 err = qlcnic_check_flash_fw_ver(adapter);
1340 if (err)
1341 goto err_out;
1342
1343 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1344 }
1345
1346 err = qlcnic_need_fw_reset(adapter);
1347 if (err == 0)
1348 goto check_fw_status;
1349
1350 err = qlcnic_pinit_from_rom(adapter);
1351 if (err)
1352 goto err_out;
1353
1354 err = qlcnic_load_firmware(adapter);
1355 if (err)
1356 goto err_out;
1357
1358 qlcnic_release_firmware(adapter);
1359 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1360
1361 check_fw_status:
1362 err = qlcnic_check_fw_status(adapter);
1363 if (err)
1364 goto err_out;
1365
1366 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1367 qlcnic_idc_debug_info(adapter, 1);
1368 err = qlcnic_check_eswitch_mode(adapter);
1369 if (err) {
1370 dev_err(&adapter->pdev->dev,
1371 "Memory allocation failed for eswitch\n");
1372 goto err_out;
1373 }
1374 err = qlcnic_set_mgmt_operations(adapter);
1375 if (err)
1376 goto err_out;
1377
1378 qlcnic_check_options(adapter);
1379 adapter->need_fw_reset = 0;
1380
1381 qlcnic_release_firmware(adapter);
1382 return 0;
1383
1384 err_out:
1385 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1386 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1387
1388 qlcnic_release_firmware(adapter);
1389 return err;
1390 }
1391
1392 static int
1393 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1394 {
1395 irq_handler_t handler;
1396 struct qlcnic_host_sds_ring *sds_ring;
1397 struct qlcnic_host_tx_ring *tx_ring;
1398 int err, ring, num_sds_rings;
1399
1400 unsigned long flags = 0;
1401 struct net_device *netdev = adapter->netdev;
1402 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1403
1404 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1405 if (qlcnic_82xx_check(adapter))
1406 handler = qlcnic_tmp_intr;
1407 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1408 flags |= IRQF_SHARED;
1409
1410 } else {
1411 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1412 handler = qlcnic_msix_intr;
1413 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1414 handler = qlcnic_msi_intr;
1415 else {
1416 flags |= IRQF_SHARED;
1417 if (qlcnic_82xx_check(adapter))
1418 handler = qlcnic_intr;
1419 else
1420 handler = qlcnic_83xx_intr;
1421 }
1422 }
1423 adapter->irq = netdev->irq;
1424
1425 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1426 if (qlcnic_82xx_check(adapter) ||
1427 (qlcnic_83xx_check(adapter) &&
1428 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1429 num_sds_rings = adapter->max_sds_rings;
1430 for (ring = 0; ring < num_sds_rings; ring++) {
1431 sds_ring = &recv_ctx->sds_rings[ring];
1432 if (qlcnic_82xx_check(adapter) &&
1433 (ring == (num_sds_rings - 1)))
1434 snprintf(sds_ring->name,
1435 sizeof(sds_ring->name),
1436 "qlcnic-%s[Tx0+Rx%d]",
1437 netdev->name, ring);
1438 else
1439 snprintf(sds_ring->name,
1440 sizeof(sds_ring->name),
1441 "qlcnic-%s[Rx%d]",
1442 netdev->name, ring);
1443 err = request_irq(sds_ring->irq, handler, flags,
1444 sds_ring->name, sds_ring);
1445 if (err)
1446 return err;
1447 }
1448 }
1449 if (qlcnic_83xx_check(adapter) &&
1450 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1451 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1452 handler = qlcnic_msix_tx_intr;
1453 for (ring = 0; ring < adapter->max_drv_tx_rings;
1454 ring++) {
1455 tx_ring = &adapter->tx_ring[ring];
1456 snprintf(tx_ring->name, sizeof(tx_ring->name),
1457 "qlcnic-%s[Tx%d]", netdev->name, ring);
1458 err = request_irq(tx_ring->irq, handler, flags,
1459 tx_ring->name, tx_ring);
1460 if (err)
1461 return err;
1462 }
1463 }
1464 }
1465 return 0;
1466 }
1467
1468 static void
1469 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1470 {
1471 int ring;
1472 struct qlcnic_host_sds_ring *sds_ring;
1473 struct qlcnic_host_tx_ring *tx_ring;
1474
1475 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1476
1477 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1478 if (qlcnic_82xx_check(adapter) ||
1479 (qlcnic_83xx_check(adapter) &&
1480 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1481 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1482 sds_ring = &recv_ctx->sds_rings[ring];
1483 free_irq(sds_ring->irq, sds_ring);
1484 }
1485 }
1486 if (qlcnic_83xx_check(adapter) &&
1487 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1488 for (ring = 0; ring < adapter->max_drv_tx_rings;
1489 ring++) {
1490 tx_ring = &adapter->tx_ring[ring];
1491 if (tx_ring->irq)
1492 free_irq(tx_ring->irq, tx_ring);
1493 }
1494 }
1495 }
1496 }
1497
1498 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1499 {
1500 u32 capab = 0;
1501
1502 if (qlcnic_82xx_check(adapter)) {
1503 if (adapter->ahw->capabilities2 &
1504 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1505 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1506 } else {
1507 capab = adapter->ahw->capabilities;
1508 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1509 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1510 }
1511 }
1512
1513 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1514 {
1515 int ring;
1516 struct qlcnic_host_rds_ring *rds_ring;
1517
1518 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1519 return -EIO;
1520
1521 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1522 return 0;
1523 if (qlcnic_set_eswitch_port_config(adapter))
1524 return -EIO;
1525 qlcnic_get_lro_mss_capability(adapter);
1526
1527 if (qlcnic_fw_create_ctx(adapter))
1528 return -EIO;
1529
1530 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1531 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1532 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1533 }
1534
1535 qlcnic_set_multi(netdev);
1536 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1537
1538 adapter->ahw->linkup = 0;
1539
1540 if (adapter->max_sds_rings > 1)
1541 qlcnic_config_rss(adapter, 1);
1542
1543 qlcnic_config_intr_coalesce(adapter);
1544
1545 if (netdev->features & NETIF_F_LRO)
1546 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1547
1548 qlcnic_napi_enable(adapter);
1549
1550 qlcnic_linkevent_request(adapter, 1);
1551
1552 adapter->ahw->reset_context = 0;
1553 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1554 return 0;
1555 }
1556
1557 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1558 {
1559 int err = 0;
1560
1561 rtnl_lock();
1562 if (netif_running(netdev))
1563 err = __qlcnic_up(adapter, netdev);
1564 rtnl_unlock();
1565
1566 return err;
1567 }
1568
1569 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1570 {
1571 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1572 return;
1573
1574 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1575 return;
1576
1577 if (qlcnic_sriov_vf_check(adapter))
1578 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1579 smp_mb();
1580 spin_lock(&adapter->tx_clean_lock);
1581 netif_carrier_off(netdev);
1582 adapter->ahw->linkup = 0;
1583 netif_tx_disable(netdev);
1584
1585 qlcnic_free_mac_list(adapter);
1586
1587 if (adapter->fhash.fnum)
1588 qlcnic_delete_lb_filters(adapter);
1589
1590 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1591
1592 qlcnic_napi_disable(adapter);
1593
1594 qlcnic_fw_destroy_ctx(adapter);
1595 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1596
1597 qlcnic_reset_rx_buffers_list(adapter);
1598 qlcnic_release_tx_buffers(adapter);
1599 spin_unlock(&adapter->tx_clean_lock);
1600 }
1601
1602 /* Usage: During suspend and firmware recovery module */
1603
1604 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1605 {
1606 rtnl_lock();
1607 if (netif_running(netdev))
1608 __qlcnic_down(adapter, netdev);
1609 rtnl_unlock();
1610
1611 }
1612
1613 int
1614 qlcnic_attach(struct qlcnic_adapter *adapter)
1615 {
1616 struct net_device *netdev = adapter->netdev;
1617 struct pci_dev *pdev = adapter->pdev;
1618 int err;
1619
1620 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1621 return 0;
1622
1623 err = qlcnic_napi_add(adapter, netdev);
1624 if (err)
1625 return err;
1626
1627 err = qlcnic_alloc_sw_resources(adapter);
1628 if (err) {
1629 dev_err(&pdev->dev, "Error in setting sw resources\n");
1630 goto err_out_napi_del;
1631 }
1632
1633 err = qlcnic_alloc_hw_resources(adapter);
1634 if (err) {
1635 dev_err(&pdev->dev, "Error in setting hw resources\n");
1636 goto err_out_free_sw;
1637 }
1638
1639 err = qlcnic_request_irq(adapter);
1640 if (err) {
1641 dev_err(&pdev->dev, "failed to setup interrupt\n");
1642 goto err_out_free_hw;
1643 }
1644
1645 qlcnic_create_sysfs_entries(adapter);
1646
1647 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1648 return 0;
1649
1650 err_out_free_hw:
1651 qlcnic_free_hw_resources(adapter);
1652 err_out_free_sw:
1653 qlcnic_free_sw_resources(adapter);
1654 err_out_napi_del:
1655 qlcnic_napi_del(adapter);
1656 return err;
1657 }
1658
1659 void qlcnic_detach(struct qlcnic_adapter *adapter)
1660 {
1661 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1662 return;
1663
1664 qlcnic_remove_sysfs_entries(adapter);
1665
1666 qlcnic_free_hw_resources(adapter);
1667 qlcnic_release_rx_buffers(adapter);
1668 qlcnic_free_irq(adapter);
1669 qlcnic_napi_del(adapter);
1670 qlcnic_free_sw_resources(adapter);
1671
1672 adapter->is_up = 0;
1673 }
1674
1675 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1676 {
1677 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1678 struct qlcnic_host_sds_ring *sds_ring;
1679 int ring;
1680
1681 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1682 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1683 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1684 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1685 qlcnic_disable_int(sds_ring);
1686 }
1687 }
1688
1689 qlcnic_fw_destroy_ctx(adapter);
1690
1691 qlcnic_detach(adapter);
1692
1693 adapter->ahw->diag_test = 0;
1694 adapter->max_sds_rings = max_sds_rings;
1695
1696 if (qlcnic_attach(adapter))
1697 goto out;
1698
1699 if (netif_running(netdev))
1700 __qlcnic_up(adapter, netdev);
1701 out:
1702 netif_device_attach(netdev);
1703 }
1704
1705 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1706 {
1707 struct qlcnic_hardware_context *ahw = adapter->ahw;
1708 int err = 0;
1709
1710 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1711 GFP_KERNEL);
1712 if (!adapter->recv_ctx) {
1713 err = -ENOMEM;
1714 goto err_out;
1715 }
1716 /* Initialize interrupt coalesce parameters */
1717 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1718 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1719 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1720 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1721 if (qlcnic_83xx_check(adapter)) {
1722 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1723 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1724 }
1725 /* clear stats */
1726 memset(&adapter->stats, 0, sizeof(adapter->stats));
1727 err_out:
1728 return err;
1729 }
1730
1731 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1732 {
1733 kfree(adapter->recv_ctx);
1734 adapter->recv_ctx = NULL;
1735
1736 if (adapter->ahw->fw_dump.tmpl_hdr) {
1737 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1738 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1739 }
1740
1741 kfree(adapter->ahw->reset.buff);
1742 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1743 }
1744
1745 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1746 {
1747 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1748 struct qlcnic_host_sds_ring *sds_ring;
1749 struct qlcnic_host_rds_ring *rds_ring;
1750 int ring;
1751 int ret;
1752
1753 netif_device_detach(netdev);
1754
1755 if (netif_running(netdev))
1756 __qlcnic_down(adapter, netdev);
1757
1758 qlcnic_detach(adapter);
1759
1760 adapter->max_sds_rings = 1;
1761 adapter->ahw->diag_test = test;
1762 adapter->ahw->linkup = 0;
1763
1764 ret = qlcnic_attach(adapter);
1765 if (ret) {
1766 netif_device_attach(netdev);
1767 return ret;
1768 }
1769
1770 ret = qlcnic_fw_create_ctx(adapter);
1771 if (ret) {
1772 qlcnic_detach(adapter);
1773 netif_device_attach(netdev);
1774 return ret;
1775 }
1776
1777 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1778 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1779 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1780 }
1781
1782 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1783 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1784 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1785 qlcnic_enable_int(sds_ring);
1786 }
1787 }
1788
1789 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1790 adapter->ahw->loopback_state = 0;
1791 qlcnic_linkevent_request(adapter, 1);
1792 }
1793
1794 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1795
1796 return 0;
1797 }
1798
1799 /* Reset context in hardware only */
1800 static int
1801 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1802 {
1803 struct net_device *netdev = adapter->netdev;
1804
1805 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1806 return -EBUSY;
1807
1808 netif_device_detach(netdev);
1809
1810 qlcnic_down(adapter, netdev);
1811
1812 qlcnic_up(adapter, netdev);
1813
1814 netif_device_attach(netdev);
1815
1816 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1817 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1818 return 0;
1819 }
1820
1821 int
1822 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1823 {
1824 int err = 0;
1825 struct net_device *netdev = adapter->netdev;
1826
1827 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1828 return -EBUSY;
1829
1830 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1831
1832 netif_device_detach(netdev);
1833
1834 if (netif_running(netdev))
1835 __qlcnic_down(adapter, netdev);
1836
1837 qlcnic_detach(adapter);
1838
1839 if (netif_running(netdev)) {
1840 err = qlcnic_attach(adapter);
1841 if (!err) {
1842 __qlcnic_up(adapter, netdev);
1843 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1844 }
1845 }
1846
1847 netif_device_attach(netdev);
1848 }
1849
1850 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1851 return err;
1852 }
1853
1854 int
1855 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1856 int pci_using_dac)
1857 {
1858 int err;
1859 struct pci_dev *pdev = adapter->pdev;
1860
1861 adapter->rx_csum = 1;
1862 adapter->ahw->mc_enabled = 0;
1863 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1864
1865 netdev->netdev_ops = &qlcnic_netdev_ops;
1866 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
1867
1868 qlcnic_change_mtu(netdev, netdev->mtu);
1869
1870 if (qlcnic_sriov_vf_check(adapter))
1871 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1872 else
1873 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1874
1875 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1876 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1877 NETIF_F_HW_VLAN_CTAG_RX);
1878 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1879 NETIF_F_IPV6_CSUM);
1880
1881 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1882 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1883 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1884 }
1885
1886 if (pci_using_dac) {
1887 netdev->features |= NETIF_F_HIGHDMA;
1888 netdev->vlan_features |= NETIF_F_HIGHDMA;
1889 }
1890
1891 if (qlcnic_vlan_tx_check(adapter))
1892 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
1893
1894 if (qlcnic_sriov_vf_check(adapter))
1895 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1896
1897 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1898 netdev->features |= NETIF_F_LRO;
1899
1900 netdev->hw_features = netdev->features;
1901 netdev->irq = adapter->msix_entries[0].vector;
1902
1903 err = register_netdev(netdev);
1904 if (err) {
1905 dev_err(&pdev->dev, "failed to register net device\n");
1906 return err;
1907 }
1908
1909 return 0;
1910 }
1911
1912 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1913 {
1914 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1915 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1916 *pci_using_dac = 1;
1917 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1918 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1919 *pci_using_dac = 0;
1920 else {
1921 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1922 return -EIO;
1923 }
1924
1925 return 0;
1926 }
1927
1928 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1929 {
1930 int ring;
1931 struct qlcnic_host_tx_ring *tx_ring;
1932
1933 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1934 tx_ring = &adapter->tx_ring[ring];
1935 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1936 vfree(tx_ring->cmd_buf_arr);
1937 tx_ring->cmd_buf_arr = NULL;
1938 }
1939 }
1940 if (adapter->tx_ring != NULL)
1941 kfree(adapter->tx_ring);
1942 }
1943
1944 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1945 struct net_device *netdev)
1946 {
1947 int ring, vector, index;
1948 struct qlcnic_host_tx_ring *tx_ring;
1949 struct qlcnic_cmd_buffer *cmd_buf_arr;
1950
1951 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1952 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1953 if (tx_ring == NULL)
1954 return -ENOMEM;
1955
1956 adapter->tx_ring = tx_ring;
1957
1958 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1959 tx_ring = &adapter->tx_ring[ring];
1960 tx_ring->num_desc = adapter->num_txd;
1961 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1962 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1963 if (cmd_buf_arr == NULL) {
1964 qlcnic_free_tx_rings(adapter);
1965 return -ENOMEM;
1966 }
1967 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1968 tx_ring->cmd_buf_arr = cmd_buf_arr;
1969 }
1970
1971 if (qlcnic_83xx_check(adapter)) {
1972 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1973 tx_ring = &adapter->tx_ring[ring];
1974 tx_ring->adapter = adapter;
1975 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1976 index = adapter->max_sds_rings + ring;
1977 vector = adapter->msix_entries[index].vector;
1978 tx_ring->irq = vector;
1979 }
1980 }
1981 }
1982 return 0;
1983 }
1984
1985 static int
1986 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1987 {
1988 struct net_device *netdev = NULL;
1989 struct qlcnic_adapter *adapter = NULL;
1990 struct qlcnic_hardware_context *ahw;
1991 int err, pci_using_dac = -1;
1992 u32 capab2;
1993 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
1994
1995 if (pdev->is_virtfn)
1996 return -ENODEV;
1997
1998 err = pci_enable_device(pdev);
1999 if (err)
2000 return err;
2001
2002 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2003 err = -ENODEV;
2004 goto err_out_disable_pdev;
2005 }
2006
2007 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2008 if (err)
2009 goto err_out_disable_pdev;
2010
2011 err = pci_request_regions(pdev, qlcnic_driver_name);
2012 if (err)
2013 goto err_out_disable_pdev;
2014
2015 pci_set_master(pdev);
2016 pci_enable_pcie_error_reporting(pdev);
2017
2018 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2019 if (!ahw)
2020 goto err_out_free_res;
2021
2022 switch (ent->device) {
2023 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2024 ahw->hw_ops = &qlcnic_hw_ops;
2025 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2026 break;
2027 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2028 qlcnic_83xx_register_map(ahw);
2029 break;
2030 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2031 qlcnic_sriov_vf_register_map(ahw);
2032 break;
2033 default:
2034 goto err_out_free_hw_res;
2035 }
2036
2037 err = qlcnic_setup_pci_map(pdev, ahw);
2038 if (err)
2039 goto err_out_free_hw_res;
2040
2041 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2042 if (!netdev) {
2043 err = -ENOMEM;
2044 goto err_out_iounmap;
2045 }
2046
2047 SET_NETDEV_DEV(netdev, &pdev->dev);
2048
2049 adapter = netdev_priv(netdev);
2050 adapter->netdev = netdev;
2051 adapter->pdev = pdev;
2052 adapter->ahw = ahw;
2053
2054 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2055 if (adapter->qlcnic_wq == NULL) {
2056 dev_err(&pdev->dev, "Failed to create workqueue\n");
2057 goto err_out_free_netdev;
2058 }
2059
2060 err = qlcnic_alloc_adapter_resources(adapter);
2061 if (err)
2062 goto err_out_free_netdev;
2063
2064 adapter->dev_rst_time = jiffies;
2065 adapter->ahw->revision_id = pdev->revision;
2066 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2067 adapter->fdb_mac_learn = true;
2068 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2069 adapter->drv_mac_learn = true;
2070 adapter->max_drv_tx_rings = 1;
2071
2072 rwlock_init(&adapter->ahw->crb_lock);
2073 mutex_init(&adapter->ahw->mem_lock);
2074
2075 spin_lock_init(&adapter->tx_clean_lock);
2076 INIT_LIST_HEAD(&adapter->mac_list);
2077
2078 if (qlcnic_82xx_check(adapter)) {
2079 qlcnic_check_vf(adapter, ent);
2080 adapter->portnum = adapter->ahw->pci_func;
2081 err = qlcnic_start_firmware(adapter);
2082 if (err) {
2083 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2084 goto err_out_free_hw;
2085 }
2086
2087 err = qlcnic_setup_idc_param(adapter);
2088 if (err)
2089 goto err_out_free_hw;
2090
2091 adapter->flags |= QLCNIC_NEED_FLR;
2092 } else if (qlcnic_83xx_check(adapter)) {
2093 qlcnic_83xx_check_vf(adapter, ent);
2094 adapter->portnum = adapter->ahw->pci_func;
2095 err = qlcnic_83xx_init(adapter, pci_using_dac);
2096 if (err) {
2097 dev_err(&pdev->dev, "%s: failed\n", __func__);
2098 goto err_out_free_hw;
2099 }
2100 if (qlcnic_sriov_vf_check(adapter))
2101 return 0;
2102 } else {
2103 dev_err(&pdev->dev,
2104 "%s: failed. Please Reboot\n", __func__);
2105 goto err_out_free_hw;
2106 }
2107
2108 if (qlcnic_read_mac_addr(adapter))
2109 dev_warn(&pdev->dev, "failed to read mac addr\n");
2110
2111 if (adapter->portnum == 0) {
2112 qlcnic_get_board_name(adapter, board_name);
2113
2114 pr_info("%s: %s Board Chip rev 0x%x\n",
2115 module_name(THIS_MODULE),
2116 board_name, adapter->ahw->revision_id);
2117 }
2118
2119 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2120 !!qlcnic_use_msi)
2121 dev_warn(&pdev->dev,
2122 "83xx adapter do not support MSI interrupts\n");
2123
2124 err = qlcnic_setup_intr(adapter, 0);
2125 if (err) {
2126 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2127 goto err_out_disable_msi;
2128 }
2129
2130 if (qlcnic_83xx_check(adapter)) {
2131 err = qlcnic_83xx_setup_mbx_intr(adapter);
2132 if (err)
2133 goto err_out_disable_msi;
2134 }
2135
2136 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2137 if (err)
2138 goto err_out_disable_mbx_intr;
2139
2140 if (qlcnic_82xx_check(adapter)) {
2141 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
2142 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
2143 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
2144 qlcnic_fw_cmd_set_drv_version(adapter);
2145 }
2146 }
2147
2148 pci_set_drvdata(pdev, adapter);
2149
2150 if (qlcnic_82xx_check(adapter))
2151 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2152 FW_POLL_DELAY);
2153
2154 switch (adapter->ahw->port_type) {
2155 case QLCNIC_GBE:
2156 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2157 adapter->netdev->name);
2158 break;
2159 case QLCNIC_XGBE:
2160 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2161 adapter->netdev->name);
2162 break;
2163 }
2164
2165 if (qlcnic_get_act_pci_func(adapter))
2166 goto err_out_disable_mbx_intr;
2167
2168 if (adapter->drv_mac_learn)
2169 qlcnic_alloc_lb_filters_mem(adapter);
2170
2171 qlcnic_add_sysfs(adapter);
2172
2173 return 0;
2174
2175 err_out_disable_mbx_intr:
2176 if (qlcnic_83xx_check(adapter))
2177 qlcnic_83xx_free_mbx_intr(adapter);
2178
2179 err_out_disable_msi:
2180 qlcnic_teardown_intr(adapter);
2181 qlcnic_cancel_idc_work(adapter);
2182 qlcnic_clr_all_drv_state(adapter, 0);
2183
2184 err_out_free_hw:
2185 qlcnic_free_adapter_resources(adapter);
2186
2187 err_out_free_netdev:
2188 free_netdev(netdev);
2189
2190 err_out_iounmap:
2191 qlcnic_cleanup_pci_map(ahw);
2192
2193 err_out_free_hw_res:
2194 kfree(ahw);
2195
2196 err_out_free_res:
2197 pci_release_regions(pdev);
2198
2199 err_out_disable_pdev:
2200 pci_set_drvdata(pdev, NULL);
2201 pci_disable_device(pdev);
2202 return err;
2203 }
2204
2205 static void qlcnic_remove(struct pci_dev *pdev)
2206 {
2207 struct qlcnic_adapter *adapter;
2208 struct net_device *netdev;
2209 struct qlcnic_hardware_context *ahw;
2210
2211 adapter = pci_get_drvdata(pdev);
2212 if (adapter == NULL)
2213 return;
2214
2215 netdev = adapter->netdev;
2216 qlcnic_sriov_pf_disable(adapter);
2217
2218 qlcnic_cancel_idc_work(adapter);
2219 ahw = adapter->ahw;
2220
2221 unregister_netdev(netdev);
2222 qlcnic_sriov_cleanup(adapter);
2223
2224 if (qlcnic_83xx_check(adapter)) {
2225 qlcnic_83xx_free_mbx_intr(adapter);
2226 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2227 cancel_delayed_work_sync(&adapter->idc_aen_work);
2228 }
2229
2230 qlcnic_detach(adapter);
2231
2232 if (adapter->npars != NULL)
2233 kfree(adapter->npars);
2234 if (adapter->eswitch != NULL)
2235 kfree(adapter->eswitch);
2236
2237 if (qlcnic_82xx_check(adapter))
2238 qlcnic_clr_all_drv_state(adapter, 0);
2239
2240 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2241
2242 qlcnic_free_lb_filters_mem(adapter);
2243
2244 qlcnic_teardown_intr(adapter);
2245
2246 qlcnic_remove_sysfs(adapter);
2247
2248 qlcnic_cleanup_pci_map(adapter->ahw);
2249
2250 qlcnic_release_firmware(adapter);
2251
2252 pci_disable_pcie_error_reporting(pdev);
2253 pci_release_regions(pdev);
2254 pci_disable_device(pdev);
2255 pci_set_drvdata(pdev, NULL);
2256
2257 if (adapter->qlcnic_wq) {
2258 destroy_workqueue(adapter->qlcnic_wq);
2259 adapter->qlcnic_wq = NULL;
2260 }
2261 qlcnic_free_adapter_resources(adapter);
2262 kfree(ahw);
2263 free_netdev(netdev);
2264 }
2265 static int __qlcnic_shutdown(struct pci_dev *pdev)
2266 {
2267 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2268 struct net_device *netdev = adapter->netdev;
2269 int retval;
2270
2271 netif_device_detach(netdev);
2272
2273 qlcnic_cancel_idc_work(adapter);
2274
2275 if (netif_running(netdev))
2276 qlcnic_down(adapter, netdev);
2277
2278 qlcnic_sriov_cleanup(adapter);
2279 if (qlcnic_82xx_check(adapter))
2280 qlcnic_clr_all_drv_state(adapter, 0);
2281
2282 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2283
2284 retval = pci_save_state(pdev);
2285 if (retval)
2286 return retval;
2287 if (qlcnic_82xx_check(adapter)) {
2288 if (qlcnic_wol_supported(adapter)) {
2289 pci_enable_wake(pdev, PCI_D3cold, 1);
2290 pci_enable_wake(pdev, PCI_D3hot, 1);
2291 }
2292 }
2293
2294 return 0;
2295 }
2296
2297 static void qlcnic_shutdown(struct pci_dev *pdev)
2298 {
2299 if (__qlcnic_shutdown(pdev))
2300 return;
2301
2302 pci_disable_device(pdev);
2303 }
2304
2305 #ifdef CONFIG_PM
2306 static int
2307 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2308 {
2309 int retval;
2310
2311 retval = __qlcnic_shutdown(pdev);
2312 if (retval)
2313 return retval;
2314
2315 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2316 return 0;
2317 }
2318
2319 static int
2320 qlcnic_resume(struct pci_dev *pdev)
2321 {
2322 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2323 struct net_device *netdev = adapter->netdev;
2324 int err;
2325
2326 err = pci_enable_device(pdev);
2327 if (err)
2328 return err;
2329
2330 pci_set_power_state(pdev, PCI_D0);
2331 pci_set_master(pdev);
2332 pci_restore_state(pdev);
2333
2334 err = qlcnic_start_firmware(adapter);
2335 if (err) {
2336 dev_err(&pdev->dev, "failed to start firmware\n");
2337 return err;
2338 }
2339
2340 if (netif_running(netdev)) {
2341 err = qlcnic_up(adapter, netdev);
2342 if (err)
2343 goto done;
2344
2345 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2346 }
2347 done:
2348 netif_device_attach(netdev);
2349 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2350 return 0;
2351 }
2352 #endif
2353
2354 static int qlcnic_open(struct net_device *netdev)
2355 {
2356 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2357 int err;
2358
2359 netif_carrier_off(netdev);
2360
2361 err = qlcnic_attach(adapter);
2362 if (err)
2363 return err;
2364
2365 err = __qlcnic_up(adapter, netdev);
2366 if (err)
2367 goto err_out;
2368
2369 netif_start_queue(netdev);
2370
2371 return 0;
2372
2373 err_out:
2374 qlcnic_detach(adapter);
2375 return err;
2376 }
2377
2378 /*
2379 * qlcnic_close - Disables a network interface entry point
2380 */
2381 static int qlcnic_close(struct net_device *netdev)
2382 {
2383 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2384
2385 __qlcnic_down(adapter, netdev);
2386
2387 return 0;
2388 }
2389
2390 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2391 {
2392 void *head;
2393 int i;
2394 struct net_device *netdev = adapter->netdev;
2395 u32 filter_size = 0;
2396 u16 act_pci_func = 0;
2397
2398 if (adapter->fhash.fmax && adapter->fhash.fhead)
2399 return;
2400
2401 act_pci_func = adapter->ahw->act_pci_func;
2402 spin_lock_init(&adapter->mac_learn_lock);
2403 spin_lock_init(&adapter->rx_mac_learn_lock);
2404
2405 if (qlcnic_82xx_check(adapter)) {
2406 filter_size = QLCNIC_LB_MAX_FILTERS;
2407 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2408 } else {
2409 filter_size = QLC_83XX_LB_MAX_FILTERS;
2410 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2411 }
2412
2413 head = kcalloc(adapter->fhash.fbucket_size,
2414 sizeof(struct hlist_head), GFP_ATOMIC);
2415
2416 if (!head)
2417 return;
2418
2419 adapter->fhash.fmax = (filter_size / act_pci_func);
2420 adapter->fhash.fhead = head;
2421
2422 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2423 act_pci_func, adapter->fhash.fmax);
2424
2425 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2426 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2427
2428 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2429
2430 head = kcalloc(adapter->rx_fhash.fbucket_size,
2431 sizeof(struct hlist_head), GFP_ATOMIC);
2432
2433 if (!head)
2434 return;
2435
2436 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2437 adapter->rx_fhash.fhead = head;
2438
2439 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2440 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2441 }
2442
2443 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2444 {
2445 if (adapter->fhash.fmax && adapter->fhash.fhead)
2446 kfree(adapter->fhash.fhead);
2447
2448 adapter->fhash.fhead = NULL;
2449 adapter->fhash.fmax = 0;
2450
2451 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2452 kfree(adapter->rx_fhash.fhead);
2453
2454 adapter->rx_fhash.fmax = 0;
2455 adapter->rx_fhash.fhead = NULL;
2456 }
2457
2458 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2459 {
2460 struct net_device *netdev = adapter->netdev;
2461 u32 temp_state, temp_val, temp = 0;
2462 int rv = 0;
2463
2464 if (qlcnic_83xx_check(adapter))
2465 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2466
2467 if (qlcnic_82xx_check(adapter))
2468 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2469
2470 temp_state = qlcnic_get_temp_state(temp);
2471 temp_val = qlcnic_get_temp_val(temp);
2472
2473 if (temp_state == QLCNIC_TEMP_PANIC) {
2474 dev_err(&netdev->dev,
2475 "Device temperature %d degrees C exceeds"
2476 " maximum allowed. Hardware has been shut down.\n",
2477 temp_val);
2478 rv = 1;
2479 } else if (temp_state == QLCNIC_TEMP_WARN) {
2480 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2481 dev_err(&netdev->dev,
2482 "Device temperature %d degrees C "
2483 "exceeds operating range."
2484 " Immediate action needed.\n",
2485 temp_val);
2486 }
2487 } else {
2488 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2489 dev_info(&netdev->dev,
2490 "Device temperature is now %d degrees C"
2491 " in normal range.\n", temp_val);
2492 }
2493 }
2494 adapter->ahw->temp = temp_state;
2495 return rv;
2496 }
2497
2498 static void qlcnic_tx_timeout(struct net_device *netdev)
2499 {
2500 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2501
2502 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2503 return;
2504
2505 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2506 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2507 if (qlcnic_82xx_check(adapter))
2508 adapter->need_fw_reset = 1;
2509 else if (qlcnic_83xx_check(adapter))
2510 qlcnic_83xx_idc_request_reset(adapter,
2511 QLCNIC_FORCE_FW_DUMP_KEY);
2512 } else {
2513 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2514 adapter->ahw->reset_context = 1;
2515 }
2516 }
2517
2518 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2519 {
2520 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2521 struct net_device_stats *stats = &netdev->stats;
2522
2523 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2524 stats->tx_packets = adapter->stats.xmitfinished;
2525 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2526 stats->tx_bytes = adapter->stats.txbytes;
2527 stats->rx_dropped = adapter->stats.rxdropped;
2528 stats->tx_dropped = adapter->stats.txdropped;
2529
2530 return stats;
2531 }
2532
2533 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2534 {
2535 u32 status;
2536
2537 status = readl(adapter->isr_int_vec);
2538
2539 if (!(status & adapter->ahw->int_vec_bit))
2540 return IRQ_NONE;
2541
2542 /* check interrupt state machine, to be sure */
2543 status = readl(adapter->crb_int_state_reg);
2544 if (!ISR_LEGACY_INT_TRIGGERED(status))
2545 return IRQ_NONE;
2546
2547 writel(0xffffffff, adapter->tgt_status_reg);
2548 /* read twice to ensure write is flushed */
2549 readl(adapter->isr_int_vec);
2550 readl(adapter->isr_int_vec);
2551
2552 return IRQ_HANDLED;
2553 }
2554
2555 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2556 {
2557 struct qlcnic_host_sds_ring *sds_ring = data;
2558 struct qlcnic_adapter *adapter = sds_ring->adapter;
2559
2560 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2561 goto done;
2562 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2563 writel(0xffffffff, adapter->tgt_status_reg);
2564 goto done;
2565 }
2566
2567 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2568 return IRQ_NONE;
2569
2570 done:
2571 adapter->ahw->diag_cnt++;
2572 qlcnic_enable_int(sds_ring);
2573 return IRQ_HANDLED;
2574 }
2575
2576 static irqreturn_t qlcnic_intr(int irq, void *data)
2577 {
2578 struct qlcnic_host_sds_ring *sds_ring = data;
2579 struct qlcnic_adapter *adapter = sds_ring->adapter;
2580
2581 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2582 return IRQ_NONE;
2583
2584 napi_schedule(&sds_ring->napi);
2585
2586 return IRQ_HANDLED;
2587 }
2588
2589 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2590 {
2591 struct qlcnic_host_sds_ring *sds_ring = data;
2592 struct qlcnic_adapter *adapter = sds_ring->adapter;
2593
2594 /* clear interrupt */
2595 writel(0xffffffff, adapter->tgt_status_reg);
2596
2597 napi_schedule(&sds_ring->napi);
2598 return IRQ_HANDLED;
2599 }
2600
2601 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2602 {
2603 struct qlcnic_host_sds_ring *sds_ring = data;
2604
2605 napi_schedule(&sds_ring->napi);
2606 return IRQ_HANDLED;
2607 }
2608
2609 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2610 {
2611 struct qlcnic_host_tx_ring *tx_ring = data;
2612
2613 napi_schedule(&tx_ring->napi);
2614 return IRQ_HANDLED;
2615 }
2616
2617 #ifdef CONFIG_NET_POLL_CONTROLLER
2618 static void qlcnic_poll_controller(struct net_device *netdev)
2619 {
2620 int ring;
2621 struct qlcnic_host_sds_ring *sds_ring;
2622 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2623 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2624
2625 disable_irq(adapter->irq);
2626 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2627 sds_ring = &recv_ctx->sds_rings[ring];
2628 qlcnic_intr(adapter->irq, sds_ring);
2629 }
2630 enable_irq(adapter->irq);
2631 }
2632 #endif
2633
2634 static void
2635 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2636 {
2637 u32 val;
2638
2639 val = adapter->portnum & 0xf;
2640 val |= encoding << 7;
2641 val |= (jiffies - adapter->dev_rst_time) << 8;
2642
2643 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2644 adapter->dev_rst_time = jiffies;
2645 }
2646
2647 static int
2648 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2649 {
2650 u32 val;
2651
2652 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2653 state != QLCNIC_DEV_NEED_QUISCENT);
2654
2655 if (qlcnic_api_lock(adapter))
2656 return -EIO;
2657
2658 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2659
2660 if (state == QLCNIC_DEV_NEED_RESET)
2661 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2662 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2663 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2664
2665 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2666
2667 qlcnic_api_unlock(adapter);
2668
2669 return 0;
2670 }
2671
2672 static int
2673 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2674 {
2675 u32 val;
2676
2677 if (qlcnic_api_lock(adapter))
2678 return -EBUSY;
2679
2680 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2681 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2682 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2683
2684 qlcnic_api_unlock(adapter);
2685
2686 return 0;
2687 }
2688
2689 static void
2690 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2691 {
2692 u32 val;
2693
2694 if (qlcnic_api_lock(adapter))
2695 goto err;
2696
2697 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2698 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2699 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2700
2701 if (failed) {
2702 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2703 QLCNIC_DEV_FAILED);
2704 dev_info(&adapter->pdev->dev,
2705 "Device state set to Failed. Please Reboot\n");
2706 } else if (!(val & 0x11111111))
2707 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2708 QLCNIC_DEV_COLD);
2709
2710 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2711 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2712 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2713
2714 qlcnic_api_unlock(adapter);
2715 err:
2716 adapter->fw_fail_cnt = 0;
2717 adapter->flags &= ~QLCNIC_FW_HANG;
2718 clear_bit(__QLCNIC_START_FW, &adapter->state);
2719 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2720 }
2721
2722 /* Grab api lock, before checking state */
2723 static int
2724 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2725 {
2726 int act, state, active_mask;
2727 struct qlcnic_hardware_context *ahw = adapter->ahw;
2728
2729 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2730 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2731
2732 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2733 active_mask = (~(1 << (ahw->pci_func * 4)));
2734 act = act & active_mask;
2735 }
2736
2737 if (((state & 0x11111111) == (act & 0x11111111)) ||
2738 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2739 return 0;
2740 else
2741 return 1;
2742 }
2743
2744 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2745 {
2746 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2747
2748 if (val != QLCNIC_DRV_IDC_VER) {
2749 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2750 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2751 }
2752
2753 return 0;
2754 }
2755
2756 static int
2757 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2758 {
2759 u32 val, prev_state;
2760 u8 dev_init_timeo = adapter->dev_init_timeo;
2761 u8 portnum = adapter->portnum;
2762 u8 ret;
2763
2764 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2765 return 1;
2766
2767 if (qlcnic_api_lock(adapter))
2768 return -1;
2769
2770 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2771 if (!(val & (1 << (portnum * 4)))) {
2772 QLC_DEV_SET_REF_CNT(val, portnum);
2773 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2774 }
2775
2776 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2777 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2778
2779 switch (prev_state) {
2780 case QLCNIC_DEV_COLD:
2781 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2782 QLCNIC_DEV_INITIALIZING);
2783 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2784 QLCNIC_DRV_IDC_VER);
2785 qlcnic_idc_debug_info(adapter, 0);
2786 qlcnic_api_unlock(adapter);
2787 return 1;
2788
2789 case QLCNIC_DEV_READY:
2790 ret = qlcnic_check_idc_ver(adapter);
2791 qlcnic_api_unlock(adapter);
2792 return ret;
2793
2794 case QLCNIC_DEV_NEED_RESET:
2795 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2796 QLC_DEV_SET_RST_RDY(val, portnum);
2797 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2798 break;
2799
2800 case QLCNIC_DEV_NEED_QUISCENT:
2801 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2802 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2803 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2804 break;
2805
2806 case QLCNIC_DEV_FAILED:
2807 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2808 qlcnic_api_unlock(adapter);
2809 return -1;
2810
2811 case QLCNIC_DEV_INITIALIZING:
2812 case QLCNIC_DEV_QUISCENT:
2813 break;
2814 }
2815
2816 qlcnic_api_unlock(adapter);
2817
2818 do {
2819 msleep(1000);
2820 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2821
2822 if (prev_state == QLCNIC_DEV_QUISCENT)
2823 continue;
2824 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2825
2826 if (!dev_init_timeo) {
2827 dev_err(&adapter->pdev->dev,
2828 "Waiting for device to initialize timeout\n");
2829 return -1;
2830 }
2831
2832 if (qlcnic_api_lock(adapter))
2833 return -1;
2834
2835 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2836 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2837 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2838
2839 ret = qlcnic_check_idc_ver(adapter);
2840 qlcnic_api_unlock(adapter);
2841
2842 return ret;
2843 }
2844
2845 static void
2846 qlcnic_fwinit_work(struct work_struct *work)
2847 {
2848 struct qlcnic_adapter *adapter = container_of(work,
2849 struct qlcnic_adapter, fw_work.work);
2850 u32 dev_state = 0xf;
2851 u32 val;
2852
2853 if (qlcnic_api_lock(adapter))
2854 goto err_ret;
2855
2856 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2857 if (dev_state == QLCNIC_DEV_QUISCENT ||
2858 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2859 qlcnic_api_unlock(adapter);
2860 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2861 FW_POLL_DELAY * 2);
2862 return;
2863 }
2864
2865 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
2866 qlcnic_api_unlock(adapter);
2867 goto wait_npar;
2868 }
2869
2870 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2871 dev_state == QLCNIC_DEV_READY) {
2872 dev_info(&adapter->pdev->dev, "Detected state change from "
2873 "DEV_NEED_RESET, skipping ack check\n");
2874 goto skip_ack_check;
2875 }
2876
2877 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2878 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2879 adapter->reset_ack_timeo);
2880 goto skip_ack_check;
2881 }
2882
2883 if (!qlcnic_check_drv_state(adapter)) {
2884 skip_ack_check:
2885 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2886
2887 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2888 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2889 QLCNIC_DEV_INITIALIZING);
2890 set_bit(__QLCNIC_START_FW, &adapter->state);
2891 QLCDB(adapter, DRV, "Restarting fw\n");
2892 qlcnic_idc_debug_info(adapter, 0);
2893 val = QLC_SHARED_REG_RD32(adapter,
2894 QLCNIC_CRB_DRV_STATE);
2895 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2896 QLC_SHARED_REG_WR32(adapter,
2897 QLCNIC_CRB_DRV_STATE, val);
2898 }
2899
2900 qlcnic_api_unlock(adapter);
2901
2902 rtnl_lock();
2903 if (adapter->ahw->fw_dump.enable &&
2904 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2905 QLCDB(adapter, DRV, "Take FW dump\n");
2906 qlcnic_dump_fw(adapter);
2907 adapter->flags |= QLCNIC_FW_HANG;
2908 }
2909 rtnl_unlock();
2910
2911 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2912 if (!adapter->nic_ops->start_firmware(adapter)) {
2913 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2914 adapter->fw_wait_cnt = 0;
2915 return;
2916 }
2917 goto err_ret;
2918 }
2919
2920 qlcnic_api_unlock(adapter);
2921
2922 wait_npar:
2923 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2924 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2925
2926 switch (dev_state) {
2927 case QLCNIC_DEV_READY:
2928 if (!qlcnic_start_firmware(adapter)) {
2929 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2930 adapter->fw_wait_cnt = 0;
2931 return;
2932 }
2933 case QLCNIC_DEV_FAILED:
2934 break;
2935 default:
2936 qlcnic_schedule_work(adapter,
2937 qlcnic_fwinit_work, FW_POLL_DELAY);
2938 return;
2939 }
2940
2941 err_ret:
2942 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2943 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2944 netif_device_attach(adapter->netdev);
2945 qlcnic_clr_all_drv_state(adapter, 0);
2946 }
2947
2948 static void
2949 qlcnic_detach_work(struct work_struct *work)
2950 {
2951 struct qlcnic_adapter *adapter = container_of(work,
2952 struct qlcnic_adapter, fw_work.work);
2953 struct net_device *netdev = adapter->netdev;
2954 u32 status;
2955
2956 netif_device_detach(netdev);
2957
2958 /* Dont grab rtnl lock during Quiscent mode */
2959 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2960 if (netif_running(netdev))
2961 __qlcnic_down(adapter, netdev);
2962 } else
2963 qlcnic_down(adapter, netdev);
2964
2965 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2966
2967 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2968 dev_err(&adapter->pdev->dev,
2969 "Detaching the device: peg halt status1=0x%x\n",
2970 status);
2971
2972 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2973 dev_err(&adapter->pdev->dev,
2974 "On board active cooling fan failed. "
2975 "Device has been halted.\n");
2976 dev_err(&adapter->pdev->dev,
2977 "Replace the adapter.\n");
2978 }
2979
2980 goto err_ret;
2981 }
2982
2983 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
2984 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2985 adapter->ahw->temp);
2986 goto err_ret;
2987 }
2988
2989 /* Dont ack if this instance is the reset owner */
2990 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2991 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2992 dev_err(&adapter->pdev->dev,
2993 "Failed to set driver state,"
2994 "detaching the device.\n");
2995 goto err_ret;
2996 }
2997 }
2998
2999 adapter->fw_wait_cnt = 0;
3000
3001 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3002
3003 return;
3004
3005 err_ret:
3006 netif_device_attach(netdev);
3007 qlcnic_clr_all_drv_state(adapter, 1);
3008 }
3009
3010 /*Transit NPAR state to NON Operational */
3011 static void
3012 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3013 {
3014 u32 state;
3015
3016 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3017 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3018 return;
3019
3020 if (qlcnic_api_lock(adapter))
3021 return;
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 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
3028 {
3029 u32 state, xg_val = 0, gb_val = 0;
3030
3031 qlcnic_xg_set_xg0_mask(xg_val);
3032 qlcnic_xg_set_xg1_mask(xg_val);
3033 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3034 qlcnic_gb_set_gb0_mask(gb_val);
3035 qlcnic_gb_set_gb1_mask(gb_val);
3036 qlcnic_gb_set_gb2_mask(gb_val);
3037 qlcnic_gb_set_gb3_mask(gb_val);
3038 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3039 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3040 " on all ports\n");
3041 adapter->need_fw_reset = 1;
3042
3043 if (qlcnic_api_lock(adapter))
3044 return;
3045
3046 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3047
3048 if (state == QLCNIC_DEV_READY) {
3049 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3050 QLCNIC_DEV_NEED_RESET);
3051 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3052 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3053 qlcnic_idc_debug_info(adapter, 0);
3054 }
3055
3056 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3057 QLCNIC_DEV_NPAR_NON_OPER);
3058 qlcnic_api_unlock(adapter);
3059 }
3060
3061 /* Transit to NPAR READY state from NPAR NOT READY state */
3062 static void
3063 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3064 {
3065 if (qlcnic_api_lock(adapter))
3066 return;
3067
3068 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3069 QLCNIC_DEV_NPAR_OPER);
3070 QLCDB(adapter, DRV, "NPAR operational state set\n");
3071
3072 qlcnic_api_unlock(adapter);
3073 }
3074
3075 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3076 work_func_t func, int delay)
3077 {
3078 if (test_bit(__QLCNIC_AER, &adapter->state))
3079 return;
3080
3081 INIT_DELAYED_WORK(&adapter->fw_work, func);
3082 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3083 round_jiffies_relative(delay));
3084 }
3085
3086 static void
3087 qlcnic_attach_work(struct work_struct *work)
3088 {
3089 struct qlcnic_adapter *adapter = container_of(work,
3090 struct qlcnic_adapter, fw_work.work);
3091 struct net_device *netdev = adapter->netdev;
3092 u32 npar_state;
3093
3094 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3095 npar_state = QLC_SHARED_REG_RD32(adapter,
3096 QLCNIC_CRB_DEV_NPAR_STATE);
3097 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3098 qlcnic_clr_all_drv_state(adapter, 0);
3099 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3100 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3101 FW_POLL_DELAY);
3102 else
3103 goto attach;
3104 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3105 return;
3106 }
3107 attach:
3108 if (netif_running(netdev)) {
3109 if (qlcnic_up(adapter, netdev))
3110 goto done;
3111
3112 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3113 }
3114
3115 done:
3116 netif_device_attach(netdev);
3117 adapter->fw_fail_cnt = 0;
3118 adapter->flags &= ~QLCNIC_FW_HANG;
3119 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3120
3121 if (!qlcnic_clr_drv_state(adapter))
3122 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3123 FW_POLL_DELAY);
3124 }
3125
3126 static int
3127 qlcnic_check_health(struct qlcnic_adapter *adapter)
3128 {
3129 u32 state = 0, heartbeat;
3130 u32 peg_status;
3131
3132 if (qlcnic_check_temp(adapter))
3133 goto detach;
3134
3135 if (adapter->need_fw_reset)
3136 qlcnic_dev_request_reset(adapter, 0);
3137
3138 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3139 if (state == QLCNIC_DEV_NEED_RESET) {
3140 qlcnic_set_npar_non_operational(adapter);
3141 adapter->need_fw_reset = 1;
3142 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3143 goto detach;
3144
3145 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3146 if (heartbeat != adapter->heartbeat) {
3147 adapter->heartbeat = heartbeat;
3148 adapter->fw_fail_cnt = 0;
3149 if (adapter->need_fw_reset)
3150 goto detach;
3151
3152 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
3153 qlcnic_reset_hw_context(adapter);
3154 adapter->netdev->trans_start = jiffies;
3155 }
3156
3157 return 0;
3158 }
3159
3160 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3161 return 0;
3162
3163 adapter->flags |= QLCNIC_FW_HANG;
3164
3165 qlcnic_dev_request_reset(adapter, 0);
3166
3167 if (qlcnic_auto_fw_reset)
3168 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3169
3170 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3171 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3172 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3173 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3174 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3175 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3176 "PEG_NET_4_PC: 0x%x\n",
3177 peg_status,
3178 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3179 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3180 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3181 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3182 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3183 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
3184 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3185 dev_err(&adapter->pdev->dev,
3186 "Firmware aborted with error code 0x00006700. "
3187 "Device is being reset.\n");
3188 detach:
3189 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3190 QLCNIC_DEV_NEED_RESET;
3191
3192 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3193 &adapter->state)) {
3194
3195 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3196 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3197 }
3198
3199 return 1;
3200 }
3201
3202 static void
3203 qlcnic_fw_poll_work(struct work_struct *work)
3204 {
3205 struct qlcnic_adapter *adapter = container_of(work,
3206 struct qlcnic_adapter, fw_work.work);
3207
3208 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3209 goto reschedule;
3210
3211
3212 if (qlcnic_check_health(adapter))
3213 return;
3214
3215 if (adapter->fhash.fnum)
3216 qlcnic_prune_lb_filters(adapter);
3217
3218 reschedule:
3219 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3220 }
3221
3222 static int qlcnic_is_first_func(struct pci_dev *pdev)
3223 {
3224 struct pci_dev *oth_pdev;
3225 int val = pdev->devfn;
3226
3227 while (val-- > 0) {
3228 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3229 (pdev->bus), pdev->bus->number,
3230 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3231 if (!oth_pdev)
3232 continue;
3233
3234 if (oth_pdev->current_state != PCI_D3cold) {
3235 pci_dev_put(oth_pdev);
3236 return 0;
3237 }
3238 pci_dev_put(oth_pdev);
3239 }
3240 return 1;
3241 }
3242
3243 static int qlcnic_attach_func(struct pci_dev *pdev)
3244 {
3245 int err, first_func;
3246 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3247 struct net_device *netdev = adapter->netdev;
3248
3249 pdev->error_state = pci_channel_io_normal;
3250
3251 err = pci_enable_device(pdev);
3252 if (err)
3253 return err;
3254
3255 pci_set_power_state(pdev, PCI_D0);
3256 pci_set_master(pdev);
3257 pci_restore_state(pdev);
3258
3259 first_func = qlcnic_is_first_func(pdev);
3260
3261 if (qlcnic_api_lock(adapter))
3262 return -EINVAL;
3263
3264 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3265 adapter->need_fw_reset = 1;
3266 set_bit(__QLCNIC_START_FW, &adapter->state);
3267 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3268 QLCNIC_DEV_INITIALIZING);
3269 QLCDB(adapter, DRV, "Restarting fw\n");
3270 }
3271 qlcnic_api_unlock(adapter);
3272
3273 err = qlcnic_start_firmware(adapter);
3274 if (err)
3275 return err;
3276
3277 qlcnic_clr_drv_state(adapter);
3278 kfree(adapter->msix_entries);
3279 adapter->msix_entries = NULL;
3280 err = qlcnic_setup_intr(adapter, 0);
3281
3282 if (err) {
3283 kfree(adapter->msix_entries);
3284 netdev_err(netdev, "failed to setup interrupt\n");
3285 return err;
3286 }
3287
3288 if (qlcnic_83xx_check(adapter)) {
3289 /* register for NIC IDC AEN Events */
3290 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3291 err = qlcnic_83xx_setup_mbx_intr(adapter);
3292 if (err) {
3293 dev_err(&adapter->pdev->dev,
3294 "failed to setup mbx interrupt\n");
3295 qlcnic_clr_all_drv_state(adapter, 1);
3296 clear_bit(__QLCNIC_AER, &adapter->state);
3297 goto done;
3298 }
3299 }
3300
3301 if (netif_running(netdev)) {
3302 err = qlcnic_attach(adapter);
3303 if (err) {
3304 qlcnic_clr_all_drv_state(adapter, 1);
3305 clear_bit(__QLCNIC_AER, &adapter->state);
3306 netif_device_attach(netdev);
3307 return err;
3308 }
3309
3310 err = qlcnic_up(adapter, netdev);
3311 if (err)
3312 goto done;
3313
3314 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3315 }
3316 done:
3317 netif_device_attach(netdev);
3318 return err;
3319 }
3320
3321 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3322 pci_channel_state_t state)
3323 {
3324 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3325 struct net_device *netdev = adapter->netdev;
3326
3327 if (state == pci_channel_io_perm_failure)
3328 return PCI_ERS_RESULT_DISCONNECT;
3329
3330 if (state == pci_channel_io_normal)
3331 return PCI_ERS_RESULT_RECOVERED;
3332
3333 set_bit(__QLCNIC_AER, &adapter->state);
3334 netif_device_detach(netdev);
3335
3336 cancel_delayed_work_sync(&adapter->fw_work);
3337
3338 if (netif_running(netdev))
3339 qlcnic_down(adapter, netdev);
3340
3341 if (qlcnic_83xx_check(adapter)) {
3342 qlcnic_83xx_free_mbx_intr(adapter);
3343 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3344 cancel_delayed_work_sync(&adapter->idc_aen_work);
3345 }
3346
3347 qlcnic_detach(adapter);
3348 qlcnic_teardown_intr(adapter);
3349
3350 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3351
3352 pci_save_state(pdev);
3353 pci_disable_device(pdev);
3354
3355 return PCI_ERS_RESULT_NEED_RESET;
3356 }
3357
3358 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3359 {
3360 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3361 PCI_ERS_RESULT_RECOVERED;
3362 }
3363
3364 static void qlcnic_io_resume(struct pci_dev *pdev)
3365 {
3366 u32 state;
3367 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3368
3369 pci_cleanup_aer_uncorrect_error_status(pdev);
3370 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3371 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3372 &adapter->state))
3373 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3374 FW_POLL_DELAY);
3375 }
3376
3377 static int
3378 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3379 {
3380 int err;
3381
3382 err = qlcnic_can_start_firmware(adapter);
3383 if (err)
3384 return err;
3385
3386 err = qlcnic_check_npar_opertional(adapter);
3387 if (err)
3388 return err;
3389
3390 err = qlcnic_initialize_nic(adapter);
3391 if (err)
3392 return err;
3393
3394 qlcnic_check_options(adapter);
3395
3396 err = qlcnic_set_eswitch_port_config(adapter);
3397 if (err)
3398 return err;
3399
3400 adapter->need_fw_reset = 0;
3401
3402 return err;
3403 }
3404
3405 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3406 __u32 val)
3407 {
3408 struct net_device *netdev = adapter->netdev;
3409 u8 max_hw = adapter->ahw->max_rx_ques;
3410 u32 max_allowed;
3411
3412 if (val > QLC_MAX_SDS_RINGS) {
3413 netdev_err(netdev, "RSS value should not be higher than %u\n",
3414 QLC_MAX_SDS_RINGS);
3415 return -EINVAL;
3416 }
3417
3418 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3419 num_online_cpus()));
3420 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3421 if (!is_power_of_2(val))
3422 netdev_err(netdev, "RSS value should be a power of 2\n");
3423
3424 if (val < 2)
3425 netdev_err(netdev, "RSS value should not be lower than 2\n");
3426
3427 if (val > max_hw)
3428 netdev_err(netdev,
3429 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3430 max_hw);
3431
3432 if (val > num_online_cpus())
3433 netdev_err(netdev,
3434 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3435 num_online_cpus());
3436
3437 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3438
3439 return -EINVAL;
3440 }
3441 return 0;
3442 }
3443
3444 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
3445 {
3446 int err;
3447 struct net_device *netdev = adapter->netdev;
3448
3449 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3450 return -EBUSY;
3451
3452 netif_device_detach(netdev);
3453 if (netif_running(netdev))
3454 __qlcnic_down(adapter, netdev);
3455
3456 qlcnic_detach(adapter);
3457
3458 if (qlcnic_83xx_check(adapter)) {
3459 qlcnic_83xx_free_mbx_intr(adapter);
3460 qlcnic_83xx_enable_mbx_poll(adapter);
3461 }
3462
3463 qlcnic_teardown_intr(adapter);
3464 err = qlcnic_setup_intr(adapter, data);
3465 if (err) {
3466 kfree(adapter->msix_entries);
3467 netdev_err(netdev, "failed to setup interrupt\n");
3468 return err;
3469 }
3470
3471 if (qlcnic_83xx_check(adapter)) {
3472 /* register for NIC IDC AEN Events */
3473 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3474 err = qlcnic_83xx_setup_mbx_intr(adapter);
3475 qlcnic_83xx_disable_mbx_poll(adapter);
3476 if (err) {
3477 dev_err(&adapter->pdev->dev,
3478 "failed to setup mbx interrupt\n");
3479 goto done;
3480 }
3481 }
3482
3483 if (netif_running(netdev)) {
3484 err = qlcnic_attach(adapter);
3485 if (err)
3486 goto done;
3487 err = __qlcnic_up(adapter, netdev);
3488 if (err)
3489 goto done;
3490 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3491 }
3492 err = len;
3493 done:
3494 netif_device_attach(netdev);
3495 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3496 return err;
3497 }
3498
3499 #ifdef CONFIG_INET
3500
3501 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3502
3503 static void
3504 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3505 struct net_device *dev, unsigned long event)
3506 {
3507 struct in_device *indev;
3508
3509 indev = in_dev_get(dev);
3510 if (!indev)
3511 return;
3512
3513 for_ifa(indev) {
3514 switch (event) {
3515 case NETDEV_UP:
3516 qlcnic_config_ipaddr(adapter,
3517 ifa->ifa_address, QLCNIC_IP_UP);
3518 break;
3519 case NETDEV_DOWN:
3520 qlcnic_config_ipaddr(adapter,
3521 ifa->ifa_address, QLCNIC_IP_DOWN);
3522 break;
3523 default:
3524 break;
3525 }
3526 } endfor_ifa(indev);
3527
3528 in_dev_put(indev);
3529 }
3530
3531 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3532 {
3533 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3534 struct net_device *dev;
3535 u16 vid;
3536
3537 qlcnic_config_indev_addr(adapter, netdev, event);
3538
3539 rcu_read_lock();
3540 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3541 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3542 if (!dev)
3543 continue;
3544 qlcnic_config_indev_addr(adapter, dev, event);
3545 }
3546 rcu_read_unlock();
3547 }
3548
3549 static int qlcnic_netdev_event(struct notifier_block *this,
3550 unsigned long event, void *ptr)
3551 {
3552 struct qlcnic_adapter *adapter;
3553 struct net_device *dev = (struct net_device *)ptr;
3554
3555 recheck:
3556 if (dev == NULL)
3557 goto done;
3558
3559 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3560 dev = vlan_dev_real_dev(dev);
3561 goto recheck;
3562 }
3563
3564 if (!is_qlcnic_netdev(dev))
3565 goto done;
3566
3567 adapter = netdev_priv(dev);
3568
3569 if (!adapter)
3570 goto done;
3571
3572 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3573 goto done;
3574
3575 qlcnic_config_indev_addr(adapter, dev, event);
3576 done:
3577 return NOTIFY_DONE;
3578 }
3579
3580 static int
3581 qlcnic_inetaddr_event(struct notifier_block *this,
3582 unsigned long event, void *ptr)
3583 {
3584 struct qlcnic_adapter *adapter;
3585 struct net_device *dev;
3586
3587 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3588
3589 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3590
3591 recheck:
3592 if (dev == NULL)
3593 goto done;
3594
3595 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3596 dev = vlan_dev_real_dev(dev);
3597 goto recheck;
3598 }
3599
3600 if (!is_qlcnic_netdev(dev))
3601 goto done;
3602
3603 adapter = netdev_priv(dev);
3604
3605 if (!adapter)
3606 goto done;
3607
3608 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3609 goto done;
3610
3611 switch (event) {
3612 case NETDEV_UP:
3613 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3614
3615 break;
3616 case NETDEV_DOWN:
3617 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3618
3619 break;
3620 default:
3621 break;
3622 }
3623
3624 done:
3625 return NOTIFY_DONE;
3626 }
3627
3628 static struct notifier_block qlcnic_netdev_cb = {
3629 .notifier_call = qlcnic_netdev_event,
3630 };
3631
3632 static struct notifier_block qlcnic_inetaddr_cb = {
3633 .notifier_call = qlcnic_inetaddr_event,
3634 };
3635 #else
3636 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3637 { }
3638 #endif
3639 static const struct pci_error_handlers qlcnic_err_handler = {
3640 .error_detected = qlcnic_io_error_detected,
3641 .slot_reset = qlcnic_io_slot_reset,
3642 .resume = qlcnic_io_resume,
3643 };
3644
3645 static struct pci_driver qlcnic_driver = {
3646 .name = qlcnic_driver_name,
3647 .id_table = qlcnic_pci_tbl,
3648 .probe = qlcnic_probe,
3649 .remove = qlcnic_remove,
3650 #ifdef CONFIG_PM
3651 .suspend = qlcnic_suspend,
3652 .resume = qlcnic_resume,
3653 #endif
3654 .shutdown = qlcnic_shutdown,
3655 .err_handler = &qlcnic_err_handler,
3656 #ifdef CONFIG_QLCNIC_SRIOV
3657 .sriov_configure = qlcnic_pci_sriov_configure,
3658 #endif
3659
3660 };
3661
3662 static int __init qlcnic_init_module(void)
3663 {
3664 int ret;
3665
3666 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3667
3668 #ifdef CONFIG_INET
3669 register_netdevice_notifier(&qlcnic_netdev_cb);
3670 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3671 #endif
3672
3673 ret = pci_register_driver(&qlcnic_driver);
3674 if (ret) {
3675 #ifdef CONFIG_INET
3676 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3677 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3678 #endif
3679 }
3680
3681 return ret;
3682 }
3683
3684 module_init(qlcnic_init_module);
3685
3686 static void __exit qlcnic_exit_module(void)
3687 {
3688 pci_unregister_driver(&qlcnic_driver);
3689
3690 #ifdef CONFIG_INET
3691 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3692 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3693 #endif
3694 }
3695
3696 module_exit(qlcnic_exit_module);
kernel source for telekom puls (alcatel/mediatek)