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ARM: mxs: icoll: Fix interrupts gpio bank 0
[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 int qlcnic_set_mac(struct net_device *netdev, void *p)
312 {
313 struct qlcnic_adapter *adapter = netdev_priv(netdev);
314 struct sockaddr *addr = p;
315
316 if (qlcnic_sriov_vf_check(adapter))
317 return -EINVAL;
318
319 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
320 return -EOPNOTSUPP;
321
322 if (!is_valid_ether_addr(addr->sa_data))
323 return -EINVAL;
324
325 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
326 netif_device_detach(netdev);
327 qlcnic_napi_disable(adapter);
328 }
329
330 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
331 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
332 qlcnic_set_multi(adapter->netdev);
333
334 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
335 netif_device_attach(netdev);
336 qlcnic_napi_enable(adapter);
337 }
338 return 0;
339 }
340
341 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
342 struct net_device *netdev, const unsigned char *addr)
343 {
344 struct qlcnic_adapter *adapter = netdev_priv(netdev);
345 int err = -EOPNOTSUPP;
346
347 if (!adapter->fdb_mac_learn)
348 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
349
350 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
351 if (is_unicast_ether_addr(addr))
352 err = qlcnic_nic_del_mac(adapter, addr);
353 else if (is_multicast_ether_addr(addr))
354 err = dev_mc_del(netdev, addr);
355 else
356 err = -EINVAL;
357 }
358 return err;
359 }
360
361 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
362 struct net_device *netdev,
363 const unsigned char *addr, u16 flags)
364 {
365 struct qlcnic_adapter *adapter = netdev_priv(netdev);
366 int err = 0;
367
368 if (!adapter->fdb_mac_learn)
369 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
370
371 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
372 pr_info("%s: FDB e-switch is not enabled\n", __func__);
373 return -EOPNOTSUPP;
374 }
375
376 if (ether_addr_equal(addr, adapter->mac_addr))
377 return err;
378
379 if (is_unicast_ether_addr(addr))
380 err = qlcnic_nic_add_mac(adapter, addr, 0);
381 else if (is_multicast_ether_addr(addr))
382 err = dev_mc_add_excl(netdev, addr);
383 else
384 err = -EINVAL;
385
386 return err;
387 }
388
389 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
390 struct net_device *netdev, int idx)
391 {
392 struct qlcnic_adapter *adapter = netdev_priv(netdev);
393
394 if (!adapter->fdb_mac_learn)
395 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
396
397 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
398 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
399
400 return idx;
401 }
402
403 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
404 {
405 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
406 usleep_range(10000, 11000);
407
408 cancel_delayed_work_sync(&adapter->fw_work);
409 }
410
411 static const struct net_device_ops qlcnic_netdev_ops = {
412 .ndo_open = qlcnic_open,
413 .ndo_stop = qlcnic_close,
414 .ndo_start_xmit = qlcnic_xmit_frame,
415 .ndo_get_stats = qlcnic_get_stats,
416 .ndo_validate_addr = eth_validate_addr,
417 .ndo_set_rx_mode = qlcnic_set_multi,
418 .ndo_set_mac_address = qlcnic_set_mac,
419 .ndo_change_mtu = qlcnic_change_mtu,
420 .ndo_fix_features = qlcnic_fix_features,
421 .ndo_set_features = qlcnic_set_features,
422 .ndo_tx_timeout = qlcnic_tx_timeout,
423 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
424 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
425 .ndo_fdb_add = qlcnic_fdb_add,
426 .ndo_fdb_del = qlcnic_fdb_del,
427 .ndo_fdb_dump = qlcnic_fdb_dump,
428 #ifdef CONFIG_NET_POLL_CONTROLLER
429 .ndo_poll_controller = qlcnic_poll_controller,
430 #endif
431 #ifdef CONFIG_QLCNIC_SRIOV
432 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
433 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
434 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
435 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
436 #endif
437 };
438
439 static const struct net_device_ops qlcnic_netdev_failed_ops = {
440 .ndo_open = qlcnic_open,
441 };
442
443 static struct qlcnic_nic_template qlcnic_ops = {
444 .config_bridged_mode = qlcnic_config_bridged_mode,
445 .config_led = qlcnic_82xx_config_led,
446 .start_firmware = qlcnic_82xx_start_firmware,
447 .request_reset = qlcnic_82xx_dev_request_reset,
448 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
449 .napi_add = qlcnic_82xx_napi_add,
450 .napi_del = qlcnic_82xx_napi_del,
451 .config_ipaddr = qlcnic_82xx_config_ipaddr,
452 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
453 };
454
455 struct qlcnic_nic_template qlcnic_vf_ops = {
456 .config_bridged_mode = qlcnicvf_config_bridged_mode,
457 .config_led = qlcnicvf_config_led,
458 .start_firmware = qlcnicvf_start_firmware
459 };
460
461 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
462 .read_crb = qlcnic_82xx_read_crb,
463 .write_crb = qlcnic_82xx_write_crb,
464 .read_reg = qlcnic_82xx_hw_read_wx_2M,
465 .write_reg = qlcnic_82xx_hw_write_wx_2M,
466 .get_mac_address = qlcnic_82xx_get_mac_address,
467 .setup_intr = qlcnic_82xx_setup_intr,
468 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
469 .mbx_cmd = qlcnic_82xx_issue_cmd,
470 .get_func_no = qlcnic_82xx_get_func_no,
471 .api_lock = qlcnic_82xx_api_lock,
472 .api_unlock = qlcnic_82xx_api_unlock,
473 .add_sysfs = qlcnic_82xx_add_sysfs,
474 .remove_sysfs = qlcnic_82xx_remove_sysfs,
475 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
476 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
477 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
478 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
479 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
480 .setup_link_event = qlcnic_82xx_linkevent_request,
481 .get_nic_info = qlcnic_82xx_get_nic_info,
482 .get_pci_info = qlcnic_82xx_get_pci_info,
483 .set_nic_info = qlcnic_82xx_set_nic_info,
484 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
485 .napi_enable = qlcnic_82xx_napi_enable,
486 .napi_disable = qlcnic_82xx_napi_disable,
487 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
488 .config_rss = qlcnic_82xx_config_rss,
489 .config_hw_lro = qlcnic_82xx_config_hw_lro,
490 .config_loopback = qlcnic_82xx_set_lb_mode,
491 .clear_loopback = qlcnic_82xx_clear_lb_mode,
492 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
493 .change_l2_filter = qlcnic_82xx_change_filter,
494 .get_board_info = qlcnic_82xx_get_board_info,
495 .free_mac_list = qlcnic_82xx_free_mac_list,
496 };
497
498 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
499 {
500 struct pci_dev *pdev = adapter->pdev;
501 int err = -1, i;
502 int max_tx_rings, tx_vector;
503
504 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
505 max_tx_rings = 0;
506 tx_vector = 0;
507 } else {
508 max_tx_rings = adapter->max_drv_tx_rings;
509 tx_vector = 1;
510 }
511
512 if (!adapter->msix_entries) {
513 adapter->msix_entries = kcalloc(num_msix,
514 sizeof(struct msix_entry),
515 GFP_KERNEL);
516 if (!adapter->msix_entries)
517 return -ENOMEM;
518 }
519
520 adapter->max_sds_rings = 1;
521 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
522
523 if (adapter->ahw->msix_supported) {
524 enable_msix:
525 for (i = 0; i < num_msix; i++)
526 adapter->msix_entries[i].entry = i;
527 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
528 if (err == 0) {
529 adapter->flags |= QLCNIC_MSIX_ENABLED;
530 if (qlcnic_83xx_check(adapter)) {
531 adapter->ahw->num_msix = num_msix;
532 /* subtract mail box and tx ring vectors */
533 adapter->max_sds_rings = num_msix -
534 max_tx_rings - 1;
535 } else {
536 adapter->max_sds_rings = num_msix;
537 }
538 dev_info(&pdev->dev, "using msi-x interrupts\n");
539 return err;
540 } else if (err > 0) {
541 dev_info(&pdev->dev,
542 "Unable to allocate %d MSI-X interrupt vectors\n",
543 num_msix);
544 if (qlcnic_83xx_check(adapter)) {
545 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
546 return err;
547 err -= (max_tx_rings + 1);
548 num_msix = rounddown_pow_of_two(err);
549 num_msix += (max_tx_rings + 1);
550 } else {
551 num_msix = rounddown_pow_of_two(err);
552 }
553
554 if (num_msix) {
555 dev_info(&pdev->dev,
556 "Trying to allocate %d MSI-X interrupt vectors\n",
557 num_msix);
558 goto enable_msix;
559 }
560 } else {
561 dev_info(&pdev->dev,
562 "Unable to allocate %d MSI-X interrupt vectors\n",
563 num_msix);
564 }
565 }
566
567 return err;
568 }
569
570 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
571 {
572 int err = 0;
573 u32 offset, mask_reg;
574 const struct qlcnic_legacy_intr_set *legacy_intrp;
575 struct qlcnic_hardware_context *ahw = adapter->ahw;
576 struct pci_dev *pdev = adapter->pdev;
577
578 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
579 adapter->flags |= QLCNIC_MSI_ENABLED;
580 offset = msi_tgt_status[adapter->ahw->pci_func];
581 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
582 offset);
583 dev_info(&pdev->dev, "using msi interrupts\n");
584 adapter->msix_entries[0].vector = pdev->irq;
585 return err;
586 }
587 if (qlcnic_use_msi || qlcnic_use_msi_x)
588 return -EOPNOTSUPP;
589
590 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
591 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
592 offset = legacy_intrp->tgt_status_reg;
593 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
594 mask_reg = legacy_intrp->tgt_mask_reg;
595 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
596 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
597 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
598 dev_info(&pdev->dev, "using legacy interrupts\n");
599 adapter->msix_entries[0].vector = pdev->irq;
600 return err;
601 }
602
603 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
604 {
605 int num_msix, err = 0;
606
607 if (!num_intr)
608 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
609
610 if (adapter->ahw->msix_supported)
611 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
612 num_intr));
613 else
614 num_msix = 1;
615
616 err = qlcnic_enable_msix(adapter, num_msix);
617 if (err == -ENOMEM || !err)
618 return err;
619
620 err = qlcnic_enable_msi_legacy(adapter);
621 if (!err)
622 return err;
623
624 return -EIO;
625 }
626
627 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
628 {
629 if (adapter->flags & QLCNIC_MSIX_ENABLED)
630 pci_disable_msix(adapter->pdev);
631 if (adapter->flags & QLCNIC_MSI_ENABLED)
632 pci_disable_msi(adapter->pdev);
633
634 kfree(adapter->msix_entries);
635 adapter->msix_entries = NULL;
636
637 if (adapter->ahw->intr_tbl) {
638 vfree(adapter->ahw->intr_tbl);
639 adapter->ahw->intr_tbl = NULL;
640 }
641 }
642
643 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
644 {
645 if (ahw->pci_base0 != NULL)
646 iounmap(ahw->pci_base0);
647 }
648
649 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
650 {
651 struct qlcnic_pci_info *pci_info;
652 int ret;
653
654 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
655 switch (adapter->ahw->port_type) {
656 case QLCNIC_GBE:
657 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
658 break;
659 case QLCNIC_XGBE:
660 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
661 break;
662 }
663 return 0;
664 }
665
666 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
667 return 0;
668
669 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
670 if (!pci_info)
671 return -ENOMEM;
672
673 ret = qlcnic_get_pci_info(adapter, pci_info);
674 kfree(pci_info);
675 return ret;
676 }
677
678 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
679 {
680 struct qlcnic_pci_info *pci_info;
681 int i, ret = 0, j = 0;
682 u16 act_pci_func;
683 u8 pfn;
684
685 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
686 if (!pci_info)
687 return -ENOMEM;
688
689 ret = qlcnic_get_pci_info(adapter, pci_info);
690 if (ret)
691 goto err_pci_info;
692
693 act_pci_func = adapter->ahw->act_pci_func;
694
695 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
696 act_pci_func, GFP_KERNEL);
697 if (!adapter->npars) {
698 ret = -ENOMEM;
699 goto err_pci_info;
700 }
701
702 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
703 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
704 if (!adapter->eswitch) {
705 ret = -ENOMEM;
706 goto err_npars;
707 }
708
709 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
710 pfn = pci_info[i].id;
711
712 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
713 ret = QL_STATUS_INVALID_PARAM;
714 goto err_eswitch;
715 }
716
717 if (!pci_info[i].active ||
718 (pci_info[i].type != QLCNIC_TYPE_NIC))
719 continue;
720
721 adapter->npars[j].pci_func = pfn;
722 adapter->npars[j].active = (u8)pci_info[i].active;
723 adapter->npars[j].type = (u8)pci_info[i].type;
724 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
725 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
726 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
727 j++;
728 }
729
730 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
731 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
732 if (qlcnic_83xx_check(adapter))
733 qlcnic_enable_eswitch(adapter, i, 1);
734 }
735
736 kfree(pci_info);
737 return 0;
738
739 err_eswitch:
740 kfree(adapter->eswitch);
741 adapter->eswitch = NULL;
742 err_npars:
743 kfree(adapter->npars);
744 adapter->npars = NULL;
745 err_pci_info:
746 kfree(pci_info);
747
748 return ret;
749 }
750
751 static int
752 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
753 {
754 u8 id;
755 int i, ret = 1;
756 u32 data = QLCNIC_MGMT_FUNC;
757 struct qlcnic_hardware_context *ahw = adapter->ahw;
758
759 ret = qlcnic_api_lock(adapter);
760 if (ret)
761 goto err_lock;
762
763 if (qlcnic_config_npars) {
764 for (i = 0; i < ahw->act_pci_func; i++) {
765 id = adapter->npars[i].pci_func;
766 if (id == ahw->pci_func)
767 continue;
768 data |= (qlcnic_config_npars &
769 QLC_DEV_SET_DRV(0xf, id));
770 }
771 } else {
772 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
773 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
774 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
775 ahw->pci_func));
776 }
777 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
778 qlcnic_api_unlock(adapter);
779 err_lock:
780 return ret;
781 }
782
783 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
784 const struct pci_device_id *ent)
785 {
786 u32 op_mode, priv_level;
787
788 /* Determine FW API version */
789 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
790 QLCNIC_FW_API);
791
792 /* Find PCI function number */
793 qlcnic_get_func_no(adapter);
794
795 /* Determine function privilege level */
796 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
797 if (op_mode == QLC_DEV_DRV_DEFAULT)
798 priv_level = QLCNIC_MGMT_FUNC;
799 else
800 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
801
802 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
803 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
804 dev_info(&adapter->pdev->dev,
805 "HAL Version: %d Non Privileged function\n",
806 adapter->ahw->fw_hal_version);
807 adapter->nic_ops = &qlcnic_vf_ops;
808 } else
809 adapter->nic_ops = &qlcnic_ops;
810 }
811
812 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
813 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
814 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
815 {
816 switch (dev_id) {
817 case PCI_DEVICE_ID_QLOGIC_QLE824X:
818 *bar = QLCNIC_82XX_BAR0_LENGTH;
819 break;
820 case PCI_DEVICE_ID_QLOGIC_QLE834X:
821 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
822 *bar = QLCNIC_83XX_BAR0_LENGTH;
823 break;
824 default:
825 *bar = 0;
826 }
827 }
828
829 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
830 struct qlcnic_hardware_context *ahw)
831 {
832 u32 offset;
833 void __iomem *mem_ptr0 = NULL;
834 unsigned long mem_len, pci_len0 = 0, bar0_len;
835
836 /* remap phys address */
837 mem_len = pci_resource_len(pdev, 0);
838
839 qlcnic_get_bar_length(pdev->device, &bar0_len);
840 if (mem_len >= bar0_len) {
841
842 mem_ptr0 = pci_ioremap_bar(pdev, 0);
843 if (mem_ptr0 == NULL) {
844 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
845 return -EIO;
846 }
847 pci_len0 = mem_len;
848 } else {
849 return -EIO;
850 }
851
852 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
853
854 ahw->pci_base0 = mem_ptr0;
855 ahw->pci_len0 = pci_len0;
856 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
857 qlcnic_get_ioaddr(ahw, offset);
858
859 return 0;
860 }
861
862 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
863 {
864 struct pci_dev *pdev = adapter->pdev;
865 int i, found = 0;
866
867 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
868 if (qlcnic_boards[i].vendor == pdev->vendor &&
869 qlcnic_boards[i].device == pdev->device &&
870 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
871 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
872 sprintf(name, "%pM: %s" ,
873 adapter->mac_addr,
874 qlcnic_boards[i].short_name);
875 found = 1;
876 break;
877 }
878
879 }
880
881 if (!found)
882 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
883 }
884
885 static void
886 qlcnic_check_options(struct qlcnic_adapter *adapter)
887 {
888 int err;
889 u32 fw_major, fw_minor, fw_build, prev_fw_version;
890 struct pci_dev *pdev = adapter->pdev;
891 struct qlcnic_hardware_context *ahw = adapter->ahw;
892 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
893
894 prev_fw_version = adapter->fw_version;
895
896 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
897 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
898 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
899
900 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
901
902 err = qlcnic_get_board_info(adapter);
903 if (err) {
904 dev_err(&pdev->dev, "Error getting board config info.\n");
905 return;
906 }
907 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
908 if (fw_dump->tmpl_hdr == NULL ||
909 adapter->fw_version > prev_fw_version) {
910 if (fw_dump->tmpl_hdr)
911 vfree(fw_dump->tmpl_hdr);
912 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
913 dev_info(&pdev->dev,
914 "Supports FW dump capability\n");
915 }
916 }
917
918 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
919 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
920
921 if (adapter->ahw->port_type == QLCNIC_XGBE) {
922 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
923 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
924 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
925 } else {
926 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
927 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
928 }
929
930 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
931 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
932
933 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
934 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
935 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
936 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
937 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
938 }
939
940 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
941
942 adapter->num_txd = MAX_CMD_DESCRIPTORS;
943
944 adapter->max_rds_rings = MAX_RDS_RINGS;
945 }
946
947 static int
948 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
949 {
950 int err;
951 struct qlcnic_info nic_info;
952
953 memset(&nic_info, 0, sizeof(struct qlcnic_info));
954 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
955 if (err)
956 return err;
957
958 adapter->ahw->physical_port = (u8)nic_info.phys_port;
959 adapter->ahw->switch_mode = nic_info.switch_mode;
960 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
961 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
962 adapter->ahw->capabilities = nic_info.capabilities;
963
964 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
965 u32 temp;
966 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
967 adapter->ahw->capabilities2 = temp;
968 }
969 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
970 adapter->ahw->max_mtu = nic_info.max_mtu;
971
972 /* Disable NPAR for 83XX */
973 if (qlcnic_83xx_check(adapter))
974 return err;
975
976 if (adapter->ahw->capabilities & BIT_6)
977 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
978 else
979 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
980
981 return err;
982 }
983
984 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
985 struct qlcnic_esw_func_cfg *esw_cfg)
986 {
987 if (esw_cfg->discard_tagged)
988 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
989 else
990 adapter->flags |= QLCNIC_TAGGING_ENABLED;
991
992 if (esw_cfg->vlan_id) {
993 adapter->rx_pvid = esw_cfg->vlan_id;
994 adapter->tx_pvid = esw_cfg->vlan_id;
995 } else {
996 adapter->rx_pvid = 0;
997 adapter->tx_pvid = 0;
998 }
999 }
1000
1001 static int
1002 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1003 {
1004 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1005 int err;
1006
1007 if (qlcnic_sriov_vf_check(adapter)) {
1008 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1009 if (err) {
1010 netdev_err(netdev,
1011 "Cannot add VLAN filter for VLAN id %d, err=%d",
1012 vid, err);
1013 return err;
1014 }
1015 }
1016
1017 set_bit(vid, adapter->vlans);
1018 return 0;
1019 }
1020
1021 static int
1022 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1023 {
1024 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1025 int err;
1026
1027 if (qlcnic_sriov_vf_check(adapter)) {
1028 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1029 if (err) {
1030 netdev_err(netdev,
1031 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1032 vid, err);
1033 return err;
1034 }
1035 }
1036
1037 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1038 clear_bit(vid, adapter->vlans);
1039 return 0;
1040 }
1041
1042 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1043 struct qlcnic_esw_func_cfg *esw_cfg)
1044 {
1045 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1046 QLCNIC_PROMISC_DISABLED);
1047
1048 if (esw_cfg->mac_anti_spoof)
1049 adapter->flags |= QLCNIC_MACSPOOF;
1050
1051 if (!esw_cfg->mac_override)
1052 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1053
1054 if (!esw_cfg->promisc_mode)
1055 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1056
1057 qlcnic_set_netdev_features(adapter, esw_cfg);
1058 }
1059
1060 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1061 {
1062 struct qlcnic_esw_func_cfg esw_cfg;
1063
1064 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1065 return 0;
1066
1067 esw_cfg.pci_func = adapter->ahw->pci_func;
1068 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1069 return -EIO;
1070 qlcnic_set_vlan_config(adapter, &esw_cfg);
1071 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1072
1073 return 0;
1074 }
1075
1076 static void
1077 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1078 struct qlcnic_esw_func_cfg *esw_cfg)
1079 {
1080 struct net_device *netdev = adapter->netdev;
1081 unsigned long features, vlan_features;
1082
1083 if (qlcnic_83xx_check(adapter))
1084 return;
1085
1086 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1087 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
1088 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
1089 NETIF_F_IPV6_CSUM);
1090
1091 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1092 features |= (NETIF_F_TSO | NETIF_F_TSO6);
1093 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1094 }
1095
1096 if (netdev->features & NETIF_F_LRO)
1097 features |= NETIF_F_LRO;
1098
1099 if (esw_cfg->offload_flags & BIT_0) {
1100 netdev->features |= features;
1101 adapter->rx_csum = 1;
1102 if (!(esw_cfg->offload_flags & BIT_1)) {
1103 netdev->features &= ~NETIF_F_TSO;
1104 features &= ~NETIF_F_TSO;
1105 }
1106 if (!(esw_cfg->offload_flags & BIT_2)) {
1107 netdev->features &= ~NETIF_F_TSO6;
1108 features &= ~NETIF_F_TSO6;
1109 }
1110 } else {
1111 netdev->features &= ~features;
1112 features &= ~features;
1113 adapter->rx_csum = 0;
1114 }
1115
1116 netdev->vlan_features = (features & vlan_features);
1117 }
1118
1119 static int
1120 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1121 {
1122 u32 op_mode, priv_level;
1123 int err = 0;
1124
1125 err = qlcnic_initialize_nic(adapter);
1126 if (err)
1127 return err;
1128
1129 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1130 return 0;
1131
1132 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1133 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1134
1135 if (op_mode == QLC_DEV_DRV_DEFAULT)
1136 priv_level = QLCNIC_MGMT_FUNC;
1137 else
1138 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1139
1140 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1141 if (priv_level == QLCNIC_MGMT_FUNC) {
1142 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1143 err = qlcnic_init_pci_info(adapter);
1144 if (err)
1145 return err;
1146 /* Set privilege level for other functions */
1147 qlcnic_set_function_modes(adapter);
1148 dev_info(&adapter->pdev->dev,
1149 "HAL Version: %d, Management function\n",
1150 adapter->ahw->fw_hal_version);
1151 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1152 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1153 dev_info(&adapter->pdev->dev,
1154 "HAL Version: %d, Privileged function\n",
1155 adapter->ahw->fw_hal_version);
1156 }
1157 }
1158
1159 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1160
1161 return err;
1162 }
1163
1164 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1165 {
1166 struct qlcnic_esw_func_cfg esw_cfg;
1167 struct qlcnic_npar_info *npar;
1168 u8 i;
1169
1170 if (adapter->need_fw_reset)
1171 return 0;
1172
1173 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1174 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1175 esw_cfg.pci_func = adapter->npars[i].pci_func;
1176 esw_cfg.mac_override = BIT_0;
1177 esw_cfg.promisc_mode = BIT_0;
1178 if (qlcnic_82xx_check(adapter)) {
1179 esw_cfg.offload_flags = BIT_0;
1180 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1181 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1182 }
1183 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1184 return -EIO;
1185 npar = &adapter->npars[i];
1186 npar->pvid = esw_cfg.vlan_id;
1187 npar->mac_override = esw_cfg.mac_override;
1188 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1189 npar->discard_tagged = esw_cfg.discard_tagged;
1190 npar->promisc_mode = esw_cfg.promisc_mode;
1191 npar->offload_flags = esw_cfg.offload_flags;
1192 }
1193
1194 return 0;
1195 }
1196
1197
1198 static int
1199 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1200 struct qlcnic_npar_info *npar, int pci_func)
1201 {
1202 struct qlcnic_esw_func_cfg esw_cfg;
1203 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1204 esw_cfg.pci_func = pci_func;
1205 esw_cfg.vlan_id = npar->pvid;
1206 esw_cfg.mac_override = npar->mac_override;
1207 esw_cfg.discard_tagged = npar->discard_tagged;
1208 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1209 esw_cfg.offload_flags = npar->offload_flags;
1210 esw_cfg.promisc_mode = npar->promisc_mode;
1211 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1212 return -EIO;
1213
1214 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1215 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1216 return -EIO;
1217
1218 return 0;
1219 }
1220
1221 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1222 {
1223 int i, err;
1224 struct qlcnic_npar_info *npar;
1225 struct qlcnic_info nic_info;
1226 u8 pci_func;
1227
1228 if (qlcnic_82xx_check(adapter))
1229 if (!adapter->need_fw_reset)
1230 return 0;
1231
1232 /* Set the NPAR config data after FW reset */
1233 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1234 npar = &adapter->npars[i];
1235 pci_func = npar->pci_func;
1236 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1237 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1238 if (err)
1239 return err;
1240 nic_info.min_tx_bw = npar->min_bw;
1241 nic_info.max_tx_bw = npar->max_bw;
1242 err = qlcnic_set_nic_info(adapter, &nic_info);
1243 if (err)
1244 return err;
1245
1246 if (npar->enable_pm) {
1247 err = qlcnic_config_port_mirroring(adapter,
1248 npar->dest_npar, 1,
1249 pci_func);
1250 if (err)
1251 return err;
1252 }
1253 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1254 if (err)
1255 return err;
1256 }
1257 return 0;
1258 }
1259
1260 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1261 {
1262 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1263 u32 npar_state;
1264
1265 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1266 return 0;
1267
1268 npar_state = QLC_SHARED_REG_RD32(adapter,
1269 QLCNIC_CRB_DEV_NPAR_STATE);
1270 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1271 msleep(1000);
1272 npar_state = QLC_SHARED_REG_RD32(adapter,
1273 QLCNIC_CRB_DEV_NPAR_STATE);
1274 }
1275 if (!npar_opt_timeo) {
1276 dev_err(&adapter->pdev->dev,
1277 "Waiting for NPAR state to operational timeout\n");
1278 return -EIO;
1279 }
1280 return 0;
1281 }
1282
1283 static int
1284 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1285 {
1286 int err;
1287
1288 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1289 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1290 return 0;
1291
1292 err = qlcnic_set_default_offload_settings(adapter);
1293 if (err)
1294 return err;
1295
1296 err = qlcnic_reset_npar_config(adapter);
1297 if (err)
1298 return err;
1299
1300 qlcnic_dev_set_npar_ready(adapter);
1301
1302 return err;
1303 }
1304
1305 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1306 {
1307 int err;
1308
1309 err = qlcnic_can_start_firmware(adapter);
1310 if (err < 0)
1311 return err;
1312 else if (!err)
1313 goto check_fw_status;
1314
1315 if (qlcnic_load_fw_file)
1316 qlcnic_request_firmware(adapter);
1317 else {
1318 err = qlcnic_check_flash_fw_ver(adapter);
1319 if (err)
1320 goto err_out;
1321
1322 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1323 }
1324
1325 err = qlcnic_need_fw_reset(adapter);
1326 if (err == 0)
1327 goto check_fw_status;
1328
1329 err = qlcnic_pinit_from_rom(adapter);
1330 if (err)
1331 goto err_out;
1332
1333 err = qlcnic_load_firmware(adapter);
1334 if (err)
1335 goto err_out;
1336
1337 qlcnic_release_firmware(adapter);
1338 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1339
1340 check_fw_status:
1341 err = qlcnic_check_fw_status(adapter);
1342 if (err)
1343 goto err_out;
1344
1345 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1346 qlcnic_idc_debug_info(adapter, 1);
1347 err = qlcnic_check_eswitch_mode(adapter);
1348 if (err) {
1349 dev_err(&adapter->pdev->dev,
1350 "Memory allocation failed for eswitch\n");
1351 goto err_out;
1352 }
1353 err = qlcnic_set_mgmt_operations(adapter);
1354 if (err)
1355 goto err_out;
1356
1357 qlcnic_check_options(adapter);
1358 adapter->need_fw_reset = 0;
1359
1360 qlcnic_release_firmware(adapter);
1361 return 0;
1362
1363 err_out:
1364 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1365 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1366
1367 qlcnic_release_firmware(adapter);
1368 return err;
1369 }
1370
1371 static int
1372 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1373 {
1374 irq_handler_t handler;
1375 struct qlcnic_host_sds_ring *sds_ring;
1376 struct qlcnic_host_tx_ring *tx_ring;
1377 int err, ring, num_sds_rings;
1378
1379 unsigned long flags = 0;
1380 struct net_device *netdev = adapter->netdev;
1381 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1382
1383 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1384 if (qlcnic_82xx_check(adapter))
1385 handler = qlcnic_tmp_intr;
1386 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1387 flags |= IRQF_SHARED;
1388
1389 } else {
1390 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1391 handler = qlcnic_msix_intr;
1392 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1393 handler = qlcnic_msi_intr;
1394 else {
1395 flags |= IRQF_SHARED;
1396 if (qlcnic_82xx_check(adapter))
1397 handler = qlcnic_intr;
1398 else
1399 handler = qlcnic_83xx_intr;
1400 }
1401 }
1402 adapter->irq = netdev->irq;
1403
1404 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1405 if (qlcnic_82xx_check(adapter) ||
1406 (qlcnic_83xx_check(adapter) &&
1407 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1408 num_sds_rings = adapter->max_sds_rings;
1409 for (ring = 0; ring < num_sds_rings; ring++) {
1410 sds_ring = &recv_ctx->sds_rings[ring];
1411 if (qlcnic_82xx_check(adapter) &&
1412 (ring == (num_sds_rings - 1)))
1413 snprintf(sds_ring->name,
1414 sizeof(sds_ring->name),
1415 "qlcnic-%s[Tx0+Rx%d]",
1416 netdev->name, ring);
1417 else
1418 snprintf(sds_ring->name,
1419 sizeof(sds_ring->name),
1420 "qlcnic-%s[Rx%d]",
1421 netdev->name, ring);
1422 err = request_irq(sds_ring->irq, handler, flags,
1423 sds_ring->name, sds_ring);
1424 if (err)
1425 return err;
1426 }
1427 }
1428 if (qlcnic_83xx_check(adapter) &&
1429 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1430 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1431 handler = qlcnic_msix_tx_intr;
1432 for (ring = 0; ring < adapter->max_drv_tx_rings;
1433 ring++) {
1434 tx_ring = &adapter->tx_ring[ring];
1435 snprintf(tx_ring->name, sizeof(tx_ring->name),
1436 "qlcnic-%s[Tx%d]", netdev->name, ring);
1437 err = request_irq(tx_ring->irq, handler, flags,
1438 tx_ring->name, tx_ring);
1439 if (err)
1440 return err;
1441 }
1442 }
1443 }
1444 return 0;
1445 }
1446
1447 static void
1448 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1449 {
1450 int ring;
1451 struct qlcnic_host_sds_ring *sds_ring;
1452 struct qlcnic_host_tx_ring *tx_ring;
1453
1454 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1455
1456 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1457 if (qlcnic_82xx_check(adapter) ||
1458 (qlcnic_83xx_check(adapter) &&
1459 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1460 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1461 sds_ring = &recv_ctx->sds_rings[ring];
1462 free_irq(sds_ring->irq, sds_ring);
1463 }
1464 }
1465 if (qlcnic_83xx_check(adapter) &&
1466 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1467 for (ring = 0; ring < adapter->max_drv_tx_rings;
1468 ring++) {
1469 tx_ring = &adapter->tx_ring[ring];
1470 if (tx_ring->irq)
1471 free_irq(tx_ring->irq, tx_ring);
1472 }
1473 }
1474 }
1475 }
1476
1477 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1478 {
1479 u32 capab = 0;
1480
1481 if (qlcnic_82xx_check(adapter)) {
1482 if (adapter->ahw->capabilities2 &
1483 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1484 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1485 } else {
1486 capab = adapter->ahw->capabilities;
1487 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1488 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1489 }
1490 }
1491
1492 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1493 {
1494 int ring;
1495 struct qlcnic_host_rds_ring *rds_ring;
1496
1497 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1498 return -EIO;
1499
1500 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1501 return 0;
1502 if (qlcnic_set_eswitch_port_config(adapter))
1503 return -EIO;
1504 qlcnic_get_lro_mss_capability(adapter);
1505
1506 if (qlcnic_fw_create_ctx(adapter))
1507 return -EIO;
1508
1509 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1510 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1511 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1512 }
1513
1514 qlcnic_set_multi(netdev);
1515 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1516
1517 adapter->ahw->linkup = 0;
1518
1519 if (adapter->max_sds_rings > 1)
1520 qlcnic_config_rss(adapter, 1);
1521
1522 qlcnic_config_intr_coalesce(adapter);
1523
1524 if (netdev->features & NETIF_F_LRO)
1525 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1526
1527 qlcnic_napi_enable(adapter);
1528
1529 qlcnic_linkevent_request(adapter, 1);
1530
1531 adapter->ahw->reset_context = 0;
1532 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1533 return 0;
1534 }
1535
1536 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1537 {
1538 int err = 0;
1539
1540 rtnl_lock();
1541 if (netif_running(netdev))
1542 err = __qlcnic_up(adapter, netdev);
1543 rtnl_unlock();
1544
1545 return err;
1546 }
1547
1548 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1549 {
1550 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1551 return;
1552
1553 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1554 return;
1555
1556 if (qlcnic_sriov_vf_check(adapter))
1557 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1558 smp_mb();
1559 spin_lock(&adapter->tx_clean_lock);
1560 netif_carrier_off(netdev);
1561 adapter->ahw->linkup = 0;
1562 netif_tx_disable(netdev);
1563
1564 qlcnic_free_mac_list(adapter);
1565
1566 if (adapter->fhash.fnum)
1567 qlcnic_delete_lb_filters(adapter);
1568
1569 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1570
1571 qlcnic_napi_disable(adapter);
1572
1573 qlcnic_fw_destroy_ctx(adapter);
1574 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1575
1576 qlcnic_reset_rx_buffers_list(adapter);
1577 qlcnic_release_tx_buffers(adapter);
1578 spin_unlock(&adapter->tx_clean_lock);
1579 }
1580
1581 /* Usage: During suspend and firmware recovery module */
1582
1583 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1584 {
1585 rtnl_lock();
1586 if (netif_running(netdev))
1587 __qlcnic_down(adapter, netdev);
1588 rtnl_unlock();
1589
1590 }
1591
1592 int
1593 qlcnic_attach(struct qlcnic_adapter *adapter)
1594 {
1595 struct net_device *netdev = adapter->netdev;
1596 struct pci_dev *pdev = adapter->pdev;
1597 int err;
1598
1599 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1600 return 0;
1601
1602 err = qlcnic_napi_add(adapter, netdev);
1603 if (err)
1604 return err;
1605
1606 err = qlcnic_alloc_sw_resources(adapter);
1607 if (err) {
1608 dev_err(&pdev->dev, "Error in setting sw resources\n");
1609 goto err_out_napi_del;
1610 }
1611
1612 err = qlcnic_alloc_hw_resources(adapter);
1613 if (err) {
1614 dev_err(&pdev->dev, "Error in setting hw resources\n");
1615 goto err_out_free_sw;
1616 }
1617
1618 err = qlcnic_request_irq(adapter);
1619 if (err) {
1620 dev_err(&pdev->dev, "failed to setup interrupt\n");
1621 goto err_out_free_hw;
1622 }
1623
1624 qlcnic_create_sysfs_entries(adapter);
1625
1626 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1627 return 0;
1628
1629 err_out_free_hw:
1630 qlcnic_free_hw_resources(adapter);
1631 err_out_free_sw:
1632 qlcnic_free_sw_resources(adapter);
1633 err_out_napi_del:
1634 qlcnic_napi_del(adapter);
1635 return err;
1636 }
1637
1638 void qlcnic_detach(struct qlcnic_adapter *adapter)
1639 {
1640 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1641 return;
1642
1643 qlcnic_remove_sysfs_entries(adapter);
1644
1645 qlcnic_free_hw_resources(adapter);
1646 qlcnic_release_rx_buffers(adapter);
1647 qlcnic_free_irq(adapter);
1648 qlcnic_napi_del(adapter);
1649 qlcnic_free_sw_resources(adapter);
1650
1651 adapter->is_up = 0;
1652 }
1653
1654 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1655 {
1656 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1657 struct qlcnic_host_sds_ring *sds_ring;
1658 int ring;
1659
1660 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1661 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1662 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1663 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1664 qlcnic_disable_int(sds_ring);
1665 }
1666 }
1667
1668 qlcnic_fw_destroy_ctx(adapter);
1669
1670 qlcnic_detach(adapter);
1671
1672 adapter->ahw->diag_test = 0;
1673 adapter->max_sds_rings = max_sds_rings;
1674
1675 if (qlcnic_attach(adapter))
1676 goto out;
1677
1678 if (netif_running(netdev))
1679 __qlcnic_up(adapter, netdev);
1680 out:
1681 netif_device_attach(netdev);
1682 }
1683
1684 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1685 {
1686 struct qlcnic_hardware_context *ahw = adapter->ahw;
1687 int err = 0;
1688
1689 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1690 GFP_KERNEL);
1691 if (!adapter->recv_ctx) {
1692 err = -ENOMEM;
1693 goto err_out;
1694 }
1695 /* Initialize interrupt coalesce parameters */
1696 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1697 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1698 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1699 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1700 if (qlcnic_83xx_check(adapter)) {
1701 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1702 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1703 }
1704 /* clear stats */
1705 memset(&adapter->stats, 0, sizeof(adapter->stats));
1706 err_out:
1707 return err;
1708 }
1709
1710 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1711 {
1712 kfree(adapter->recv_ctx);
1713 adapter->recv_ctx = NULL;
1714
1715 if (adapter->ahw->fw_dump.tmpl_hdr) {
1716 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1717 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1718 }
1719
1720 kfree(adapter->ahw->reset.buff);
1721 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1722 }
1723
1724 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1725 {
1726 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1727 struct qlcnic_host_sds_ring *sds_ring;
1728 struct qlcnic_host_rds_ring *rds_ring;
1729 int ring;
1730 int ret;
1731
1732 netif_device_detach(netdev);
1733
1734 if (netif_running(netdev))
1735 __qlcnic_down(adapter, netdev);
1736
1737 qlcnic_detach(adapter);
1738
1739 adapter->max_sds_rings = 1;
1740 adapter->ahw->diag_test = test;
1741 adapter->ahw->linkup = 0;
1742
1743 ret = qlcnic_attach(adapter);
1744 if (ret) {
1745 netif_device_attach(netdev);
1746 return ret;
1747 }
1748
1749 ret = qlcnic_fw_create_ctx(adapter);
1750 if (ret) {
1751 qlcnic_detach(adapter);
1752 netif_device_attach(netdev);
1753 return ret;
1754 }
1755
1756 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1757 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1758 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1759 }
1760
1761 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1762 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1763 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1764 qlcnic_enable_int(sds_ring);
1765 }
1766 }
1767
1768 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1769 adapter->ahw->loopback_state = 0;
1770 qlcnic_linkevent_request(adapter, 1);
1771 }
1772
1773 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1774
1775 return 0;
1776 }
1777
1778 /* Reset context in hardware only */
1779 static int
1780 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1781 {
1782 struct net_device *netdev = adapter->netdev;
1783
1784 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1785 return -EBUSY;
1786
1787 netif_device_detach(netdev);
1788
1789 qlcnic_down(adapter, netdev);
1790
1791 qlcnic_up(adapter, netdev);
1792
1793 netif_device_attach(netdev);
1794
1795 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1796 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1797 return 0;
1798 }
1799
1800 int
1801 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1802 {
1803 int err = 0;
1804 struct net_device *netdev = adapter->netdev;
1805
1806 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1807 return -EBUSY;
1808
1809 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1810
1811 netif_device_detach(netdev);
1812
1813 if (netif_running(netdev))
1814 __qlcnic_down(adapter, netdev);
1815
1816 qlcnic_detach(adapter);
1817
1818 if (netif_running(netdev)) {
1819 err = qlcnic_attach(adapter);
1820 if (!err) {
1821 __qlcnic_up(adapter, netdev);
1822 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1823 }
1824 }
1825
1826 netif_device_attach(netdev);
1827 }
1828
1829 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1830 return err;
1831 }
1832
1833 int
1834 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1835 int pci_using_dac)
1836 {
1837 int err;
1838 struct pci_dev *pdev = adapter->pdev;
1839
1840 adapter->rx_csum = 1;
1841 adapter->ahw->mc_enabled = 0;
1842 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1843
1844 netdev->netdev_ops = &qlcnic_netdev_ops;
1845 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
1846
1847 qlcnic_change_mtu(netdev, netdev->mtu);
1848
1849 if (qlcnic_sriov_vf_check(adapter))
1850 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1851 else
1852 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1853
1854 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1855 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1856 NETIF_F_HW_VLAN_CTAG_RX);
1857 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1858 NETIF_F_IPV6_CSUM);
1859
1860 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1861 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1862 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1863 }
1864
1865 if (pci_using_dac) {
1866 netdev->features |= NETIF_F_HIGHDMA;
1867 netdev->vlan_features |= NETIF_F_HIGHDMA;
1868 }
1869
1870 if (qlcnic_vlan_tx_check(adapter))
1871 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
1872
1873 if (qlcnic_sriov_vf_check(adapter))
1874 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1875
1876 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1877 netdev->features |= NETIF_F_LRO;
1878
1879 netdev->hw_features = netdev->features;
1880 netdev->irq = adapter->msix_entries[0].vector;
1881
1882 err = register_netdev(netdev);
1883 if (err) {
1884 dev_err(&pdev->dev, "failed to register net device\n");
1885 return err;
1886 }
1887
1888 return 0;
1889 }
1890
1891 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1892 {
1893 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1894 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1895 *pci_using_dac = 1;
1896 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1897 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1898 *pci_using_dac = 0;
1899 else {
1900 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1901 return -EIO;
1902 }
1903
1904 return 0;
1905 }
1906
1907 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1908 {
1909 int ring;
1910 struct qlcnic_host_tx_ring *tx_ring;
1911
1912 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1913 tx_ring = &adapter->tx_ring[ring];
1914 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1915 vfree(tx_ring->cmd_buf_arr);
1916 tx_ring->cmd_buf_arr = NULL;
1917 }
1918 }
1919 if (adapter->tx_ring != NULL)
1920 kfree(adapter->tx_ring);
1921 }
1922
1923 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1924 struct net_device *netdev)
1925 {
1926 int ring, vector, index;
1927 struct qlcnic_host_tx_ring *tx_ring;
1928 struct qlcnic_cmd_buffer *cmd_buf_arr;
1929
1930 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1931 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1932 if (tx_ring == NULL)
1933 return -ENOMEM;
1934
1935 adapter->tx_ring = tx_ring;
1936
1937 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1938 tx_ring = &adapter->tx_ring[ring];
1939 tx_ring->num_desc = adapter->num_txd;
1940 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1941 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1942 if (cmd_buf_arr == NULL) {
1943 qlcnic_free_tx_rings(adapter);
1944 return -ENOMEM;
1945 }
1946 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1947 tx_ring->cmd_buf_arr = cmd_buf_arr;
1948 }
1949
1950 if (qlcnic_83xx_check(adapter)) {
1951 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1952 tx_ring = &adapter->tx_ring[ring];
1953 tx_ring->adapter = adapter;
1954 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1955 index = adapter->max_sds_rings + ring;
1956 vector = adapter->msix_entries[index].vector;
1957 tx_ring->irq = vector;
1958 }
1959 }
1960 }
1961 return 0;
1962 }
1963
1964 static int
1965 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1966 {
1967 struct net_device *netdev = NULL;
1968 struct qlcnic_adapter *adapter = NULL;
1969 struct qlcnic_hardware_context *ahw;
1970 int err, pci_using_dac = -1;
1971 u32 capab2;
1972 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
1973
1974 if (pdev->is_virtfn)
1975 return -ENODEV;
1976
1977 err = pci_enable_device(pdev);
1978 if (err)
1979 return err;
1980
1981 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1982 err = -ENODEV;
1983 goto err_out_disable_pdev;
1984 }
1985
1986 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1987 if (err)
1988 goto err_out_disable_pdev;
1989
1990 err = pci_request_regions(pdev, qlcnic_driver_name);
1991 if (err)
1992 goto err_out_disable_pdev;
1993
1994 pci_set_master(pdev);
1995 pci_enable_pcie_error_reporting(pdev);
1996
1997 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1998 if (!ahw)
1999 goto err_out_free_res;
2000
2001 switch (ent->device) {
2002 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2003 ahw->hw_ops = &qlcnic_hw_ops;
2004 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2005 break;
2006 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2007 qlcnic_83xx_register_map(ahw);
2008 break;
2009 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2010 qlcnic_sriov_vf_register_map(ahw);
2011 break;
2012 default:
2013 goto err_out_free_hw_res;
2014 }
2015
2016 err = qlcnic_setup_pci_map(pdev, ahw);
2017 if (err)
2018 goto err_out_free_hw_res;
2019
2020 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2021 if (!netdev) {
2022 err = -ENOMEM;
2023 goto err_out_iounmap;
2024 }
2025
2026 SET_NETDEV_DEV(netdev, &pdev->dev);
2027
2028 adapter = netdev_priv(netdev);
2029 adapter->netdev = netdev;
2030 adapter->pdev = pdev;
2031 adapter->ahw = ahw;
2032
2033 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2034 if (adapter->qlcnic_wq == NULL) {
2035 dev_err(&pdev->dev, "Failed to create workqueue\n");
2036 goto err_out_free_netdev;
2037 }
2038
2039 err = qlcnic_alloc_adapter_resources(adapter);
2040 if (err)
2041 goto err_out_free_netdev;
2042
2043 adapter->dev_rst_time = jiffies;
2044 adapter->ahw->revision_id = pdev->revision;
2045 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2046 adapter->fdb_mac_learn = true;
2047 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2048 adapter->drv_mac_learn = true;
2049 adapter->max_drv_tx_rings = 1;
2050
2051 rwlock_init(&adapter->ahw->crb_lock);
2052 mutex_init(&adapter->ahw->mem_lock);
2053
2054 spin_lock_init(&adapter->tx_clean_lock);
2055 INIT_LIST_HEAD(&adapter->mac_list);
2056
2057 if (qlcnic_82xx_check(adapter)) {
2058 qlcnic_check_vf(adapter, ent);
2059 adapter->portnum = adapter->ahw->pci_func;
2060 err = qlcnic_start_firmware(adapter);
2061 if (err) {
2062 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2063 goto err_out_free_hw;
2064 }
2065
2066 err = qlcnic_setup_idc_param(adapter);
2067 if (err)
2068 goto err_out_free_hw;
2069
2070 adapter->flags |= QLCNIC_NEED_FLR;
2071 } else if (qlcnic_83xx_check(adapter)) {
2072 qlcnic_83xx_check_vf(adapter, ent);
2073 adapter->portnum = adapter->ahw->pci_func;
2074 err = qlcnic_83xx_init(adapter, pci_using_dac);
2075 if (err) {
2076 dev_err(&pdev->dev, "%s: failed\n", __func__);
2077 goto err_out_free_hw;
2078 }
2079 if (qlcnic_sriov_vf_check(adapter))
2080 return 0;
2081 } else {
2082 dev_err(&pdev->dev,
2083 "%s: failed. Please Reboot\n", __func__);
2084 goto err_out_free_hw;
2085 }
2086
2087 if (qlcnic_read_mac_addr(adapter))
2088 dev_warn(&pdev->dev, "failed to read mac addr\n");
2089
2090 if (adapter->portnum == 0) {
2091 qlcnic_get_board_name(adapter, board_name);
2092
2093 pr_info("%s: %s Board Chip rev 0x%x\n",
2094 module_name(THIS_MODULE),
2095 board_name, adapter->ahw->revision_id);
2096 }
2097
2098 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2099 !!qlcnic_use_msi)
2100 dev_warn(&pdev->dev,
2101 "83xx adapter do not support MSI interrupts\n");
2102
2103 err = qlcnic_setup_intr(adapter, 0);
2104 if (err) {
2105 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2106 goto err_out_disable_msi;
2107 }
2108
2109 if (qlcnic_83xx_check(adapter)) {
2110 err = qlcnic_83xx_setup_mbx_intr(adapter);
2111 if (err)
2112 goto err_out_disable_msi;
2113 }
2114
2115 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2116 if (err)
2117 goto err_out_disable_mbx_intr;
2118
2119 if (qlcnic_82xx_check(adapter)) {
2120 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
2121 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
2122 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
2123 qlcnic_fw_cmd_set_drv_version(adapter);
2124 }
2125 }
2126
2127 pci_set_drvdata(pdev, adapter);
2128
2129 if (qlcnic_82xx_check(adapter))
2130 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2131 FW_POLL_DELAY);
2132
2133 switch (adapter->ahw->port_type) {
2134 case QLCNIC_GBE:
2135 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2136 adapter->netdev->name);
2137 break;
2138 case QLCNIC_XGBE:
2139 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2140 adapter->netdev->name);
2141 break;
2142 }
2143
2144 if (qlcnic_get_act_pci_func(adapter))
2145 goto err_out_disable_mbx_intr;
2146
2147 if (adapter->drv_mac_learn)
2148 qlcnic_alloc_lb_filters_mem(adapter);
2149
2150 qlcnic_add_sysfs(adapter);
2151
2152 return 0;
2153
2154 err_out_disable_mbx_intr:
2155 if (qlcnic_83xx_check(adapter))
2156 qlcnic_83xx_free_mbx_intr(adapter);
2157
2158 err_out_disable_msi:
2159 qlcnic_teardown_intr(adapter);
2160 qlcnic_cancel_idc_work(adapter);
2161 qlcnic_clr_all_drv_state(adapter, 0);
2162
2163 err_out_free_hw:
2164 qlcnic_free_adapter_resources(adapter);
2165
2166 err_out_free_netdev:
2167 free_netdev(netdev);
2168
2169 err_out_iounmap:
2170 qlcnic_cleanup_pci_map(ahw);
2171
2172 err_out_free_hw_res:
2173 kfree(ahw);
2174
2175 err_out_free_res:
2176 pci_release_regions(pdev);
2177
2178 err_out_disable_pdev:
2179 pci_set_drvdata(pdev, NULL);
2180 pci_disable_device(pdev);
2181 return err;
2182 }
2183
2184 static void qlcnic_remove(struct pci_dev *pdev)
2185 {
2186 struct qlcnic_adapter *adapter;
2187 struct net_device *netdev;
2188 struct qlcnic_hardware_context *ahw;
2189
2190 adapter = pci_get_drvdata(pdev);
2191 if (adapter == NULL)
2192 return;
2193
2194 netdev = adapter->netdev;
2195 qlcnic_sriov_pf_disable(adapter);
2196
2197 qlcnic_cancel_idc_work(adapter);
2198 ahw = adapter->ahw;
2199
2200 unregister_netdev(netdev);
2201 qlcnic_sriov_cleanup(adapter);
2202
2203 if (qlcnic_83xx_check(adapter)) {
2204 qlcnic_83xx_free_mbx_intr(adapter);
2205 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2206 cancel_delayed_work_sync(&adapter->idc_aen_work);
2207 }
2208
2209 qlcnic_detach(adapter);
2210
2211 if (adapter->npars != NULL)
2212 kfree(adapter->npars);
2213 if (adapter->eswitch != NULL)
2214 kfree(adapter->eswitch);
2215
2216 if (qlcnic_82xx_check(adapter))
2217 qlcnic_clr_all_drv_state(adapter, 0);
2218
2219 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2220
2221 qlcnic_free_lb_filters_mem(adapter);
2222
2223 qlcnic_teardown_intr(adapter);
2224
2225 qlcnic_remove_sysfs(adapter);
2226
2227 qlcnic_cleanup_pci_map(adapter->ahw);
2228
2229 qlcnic_release_firmware(adapter);
2230
2231 pci_disable_pcie_error_reporting(pdev);
2232 pci_release_regions(pdev);
2233 pci_disable_device(pdev);
2234 pci_set_drvdata(pdev, NULL);
2235
2236 if (adapter->qlcnic_wq) {
2237 destroy_workqueue(adapter->qlcnic_wq);
2238 adapter->qlcnic_wq = NULL;
2239 }
2240 qlcnic_free_adapter_resources(adapter);
2241 kfree(ahw);
2242 free_netdev(netdev);
2243 }
2244 static int __qlcnic_shutdown(struct pci_dev *pdev)
2245 {
2246 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2247 struct net_device *netdev = adapter->netdev;
2248 int retval;
2249
2250 netif_device_detach(netdev);
2251
2252 qlcnic_cancel_idc_work(adapter);
2253
2254 if (netif_running(netdev))
2255 qlcnic_down(adapter, netdev);
2256
2257 qlcnic_sriov_cleanup(adapter);
2258 if (qlcnic_82xx_check(adapter))
2259 qlcnic_clr_all_drv_state(adapter, 0);
2260
2261 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2262
2263 retval = pci_save_state(pdev);
2264 if (retval)
2265 return retval;
2266 if (qlcnic_82xx_check(adapter)) {
2267 if (qlcnic_wol_supported(adapter)) {
2268 pci_enable_wake(pdev, PCI_D3cold, 1);
2269 pci_enable_wake(pdev, PCI_D3hot, 1);
2270 }
2271 }
2272
2273 return 0;
2274 }
2275
2276 static void qlcnic_shutdown(struct pci_dev *pdev)
2277 {
2278 if (__qlcnic_shutdown(pdev))
2279 return;
2280
2281 pci_disable_device(pdev);
2282 }
2283
2284 #ifdef CONFIG_PM
2285 static int
2286 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2287 {
2288 int retval;
2289
2290 retval = __qlcnic_shutdown(pdev);
2291 if (retval)
2292 return retval;
2293
2294 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2295 return 0;
2296 }
2297
2298 static int
2299 qlcnic_resume(struct pci_dev *pdev)
2300 {
2301 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2302 struct net_device *netdev = adapter->netdev;
2303 int err;
2304
2305 err = pci_enable_device(pdev);
2306 if (err)
2307 return err;
2308
2309 pci_set_power_state(pdev, PCI_D0);
2310 pci_set_master(pdev);
2311 pci_restore_state(pdev);
2312
2313 err = qlcnic_start_firmware(adapter);
2314 if (err) {
2315 dev_err(&pdev->dev, "failed to start firmware\n");
2316 return err;
2317 }
2318
2319 if (netif_running(netdev)) {
2320 err = qlcnic_up(adapter, netdev);
2321 if (err)
2322 goto done;
2323
2324 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2325 }
2326 done:
2327 netif_device_attach(netdev);
2328 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2329 return 0;
2330 }
2331 #endif
2332
2333 static int qlcnic_open(struct net_device *netdev)
2334 {
2335 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2336 int err;
2337
2338 netif_carrier_off(netdev);
2339
2340 err = qlcnic_attach(adapter);
2341 if (err)
2342 return err;
2343
2344 err = __qlcnic_up(adapter, netdev);
2345 if (err)
2346 goto err_out;
2347
2348 netif_start_queue(netdev);
2349
2350 return 0;
2351
2352 err_out:
2353 qlcnic_detach(adapter);
2354 return err;
2355 }
2356
2357 /*
2358 * qlcnic_close - Disables a network interface entry point
2359 */
2360 static int qlcnic_close(struct net_device *netdev)
2361 {
2362 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2363
2364 __qlcnic_down(adapter, netdev);
2365
2366 return 0;
2367 }
2368
2369 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2370 {
2371 void *head;
2372 int i;
2373 struct net_device *netdev = adapter->netdev;
2374 u32 filter_size = 0;
2375 u16 act_pci_func = 0;
2376
2377 if (adapter->fhash.fmax && adapter->fhash.fhead)
2378 return;
2379
2380 act_pci_func = adapter->ahw->act_pci_func;
2381 spin_lock_init(&adapter->mac_learn_lock);
2382 spin_lock_init(&adapter->rx_mac_learn_lock);
2383
2384 if (qlcnic_82xx_check(adapter)) {
2385 filter_size = QLCNIC_LB_MAX_FILTERS;
2386 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2387 } else {
2388 filter_size = QLC_83XX_LB_MAX_FILTERS;
2389 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2390 }
2391
2392 head = kcalloc(adapter->fhash.fbucket_size,
2393 sizeof(struct hlist_head), GFP_ATOMIC);
2394
2395 if (!head)
2396 return;
2397
2398 adapter->fhash.fmax = (filter_size / act_pci_func);
2399 adapter->fhash.fhead = head;
2400
2401 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2402 act_pci_func, adapter->fhash.fmax);
2403
2404 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2405 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2406
2407 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2408
2409 head = kcalloc(adapter->rx_fhash.fbucket_size,
2410 sizeof(struct hlist_head), GFP_ATOMIC);
2411
2412 if (!head)
2413 return;
2414
2415 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2416 adapter->rx_fhash.fhead = head;
2417
2418 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2419 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2420 }
2421
2422 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2423 {
2424 if (adapter->fhash.fmax && adapter->fhash.fhead)
2425 kfree(adapter->fhash.fhead);
2426
2427 adapter->fhash.fhead = NULL;
2428 adapter->fhash.fmax = 0;
2429
2430 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2431 kfree(adapter->rx_fhash.fhead);
2432
2433 adapter->rx_fhash.fmax = 0;
2434 adapter->rx_fhash.fhead = NULL;
2435 }
2436
2437 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2438 {
2439 struct net_device *netdev = adapter->netdev;
2440 u32 temp_state, temp_val, temp = 0;
2441 int rv = 0;
2442
2443 if (qlcnic_83xx_check(adapter))
2444 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2445
2446 if (qlcnic_82xx_check(adapter))
2447 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2448
2449 temp_state = qlcnic_get_temp_state(temp);
2450 temp_val = qlcnic_get_temp_val(temp);
2451
2452 if (temp_state == QLCNIC_TEMP_PANIC) {
2453 dev_err(&netdev->dev,
2454 "Device temperature %d degrees C exceeds"
2455 " maximum allowed. Hardware has been shut down.\n",
2456 temp_val);
2457 rv = 1;
2458 } else if (temp_state == QLCNIC_TEMP_WARN) {
2459 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2460 dev_err(&netdev->dev,
2461 "Device temperature %d degrees C "
2462 "exceeds operating range."
2463 " Immediate action needed.\n",
2464 temp_val);
2465 }
2466 } else {
2467 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2468 dev_info(&netdev->dev,
2469 "Device temperature is now %d degrees C"
2470 " in normal range.\n", temp_val);
2471 }
2472 }
2473 adapter->ahw->temp = temp_state;
2474 return rv;
2475 }
2476
2477 static void qlcnic_tx_timeout(struct net_device *netdev)
2478 {
2479 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2480
2481 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2482 return;
2483
2484 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2485
2486 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
2487 adapter->need_fw_reset = 1;
2488 else
2489 adapter->ahw->reset_context = 1;
2490 }
2491
2492 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2493 {
2494 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2495 struct net_device_stats *stats = &netdev->stats;
2496
2497 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2498 stats->tx_packets = adapter->stats.xmitfinished;
2499 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2500 stats->tx_bytes = adapter->stats.txbytes;
2501 stats->rx_dropped = adapter->stats.rxdropped;
2502 stats->tx_dropped = adapter->stats.txdropped;
2503
2504 return stats;
2505 }
2506
2507 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2508 {
2509 u32 status;
2510
2511 status = readl(adapter->isr_int_vec);
2512
2513 if (!(status & adapter->ahw->int_vec_bit))
2514 return IRQ_NONE;
2515
2516 /* check interrupt state machine, to be sure */
2517 status = readl(adapter->crb_int_state_reg);
2518 if (!ISR_LEGACY_INT_TRIGGERED(status))
2519 return IRQ_NONE;
2520
2521 writel(0xffffffff, adapter->tgt_status_reg);
2522 /* read twice to ensure write is flushed */
2523 readl(adapter->isr_int_vec);
2524 readl(adapter->isr_int_vec);
2525
2526 return IRQ_HANDLED;
2527 }
2528
2529 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2530 {
2531 struct qlcnic_host_sds_ring *sds_ring = data;
2532 struct qlcnic_adapter *adapter = sds_ring->adapter;
2533
2534 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2535 goto done;
2536 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2537 writel(0xffffffff, adapter->tgt_status_reg);
2538 goto done;
2539 }
2540
2541 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2542 return IRQ_NONE;
2543
2544 done:
2545 adapter->ahw->diag_cnt++;
2546 qlcnic_enable_int(sds_ring);
2547 return IRQ_HANDLED;
2548 }
2549
2550 static irqreturn_t qlcnic_intr(int irq, void *data)
2551 {
2552 struct qlcnic_host_sds_ring *sds_ring = data;
2553 struct qlcnic_adapter *adapter = sds_ring->adapter;
2554
2555 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2556 return IRQ_NONE;
2557
2558 napi_schedule(&sds_ring->napi);
2559
2560 return IRQ_HANDLED;
2561 }
2562
2563 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2564 {
2565 struct qlcnic_host_sds_ring *sds_ring = data;
2566 struct qlcnic_adapter *adapter = sds_ring->adapter;
2567
2568 /* clear interrupt */
2569 writel(0xffffffff, adapter->tgt_status_reg);
2570
2571 napi_schedule(&sds_ring->napi);
2572 return IRQ_HANDLED;
2573 }
2574
2575 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2576 {
2577 struct qlcnic_host_sds_ring *sds_ring = data;
2578
2579 napi_schedule(&sds_ring->napi);
2580 return IRQ_HANDLED;
2581 }
2582
2583 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2584 {
2585 struct qlcnic_host_tx_ring *tx_ring = data;
2586
2587 napi_schedule(&tx_ring->napi);
2588 return IRQ_HANDLED;
2589 }
2590
2591 #ifdef CONFIG_NET_POLL_CONTROLLER
2592 static void qlcnic_poll_controller(struct net_device *netdev)
2593 {
2594 int ring;
2595 struct qlcnic_host_sds_ring *sds_ring;
2596 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2597 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2598
2599 disable_irq(adapter->irq);
2600 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2601 sds_ring = &recv_ctx->sds_rings[ring];
2602 qlcnic_intr(adapter->irq, sds_ring);
2603 }
2604 enable_irq(adapter->irq);
2605 }
2606 #endif
2607
2608 static void
2609 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2610 {
2611 u32 val;
2612
2613 val = adapter->portnum & 0xf;
2614 val |= encoding << 7;
2615 val |= (jiffies - adapter->dev_rst_time) << 8;
2616
2617 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2618 adapter->dev_rst_time = jiffies;
2619 }
2620
2621 static int
2622 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2623 {
2624 u32 val;
2625
2626 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2627 state != QLCNIC_DEV_NEED_QUISCENT);
2628
2629 if (qlcnic_api_lock(adapter))
2630 return -EIO;
2631
2632 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2633
2634 if (state == QLCNIC_DEV_NEED_RESET)
2635 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2636 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2637 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2638
2639 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2640
2641 qlcnic_api_unlock(adapter);
2642
2643 return 0;
2644 }
2645
2646 static int
2647 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2648 {
2649 u32 val;
2650
2651 if (qlcnic_api_lock(adapter))
2652 return -EBUSY;
2653
2654 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2655 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2656 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2657
2658 qlcnic_api_unlock(adapter);
2659
2660 return 0;
2661 }
2662
2663 static void
2664 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2665 {
2666 u32 val;
2667
2668 if (qlcnic_api_lock(adapter))
2669 goto err;
2670
2671 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2672 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2673 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2674
2675 if (failed) {
2676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2677 QLCNIC_DEV_FAILED);
2678 dev_info(&adapter->pdev->dev,
2679 "Device state set to Failed. Please Reboot\n");
2680 } else if (!(val & 0x11111111))
2681 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2682 QLCNIC_DEV_COLD);
2683
2684 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2685 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2686 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2687
2688 qlcnic_api_unlock(adapter);
2689 err:
2690 adapter->fw_fail_cnt = 0;
2691 adapter->flags &= ~QLCNIC_FW_HANG;
2692 clear_bit(__QLCNIC_START_FW, &adapter->state);
2693 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2694 }
2695
2696 /* Grab api lock, before checking state */
2697 static int
2698 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2699 {
2700 int act, state, active_mask;
2701 struct qlcnic_hardware_context *ahw = adapter->ahw;
2702
2703 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2704 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2705
2706 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2707 active_mask = (~(1 << (ahw->pci_func * 4)));
2708 act = act & active_mask;
2709 }
2710
2711 if (((state & 0x11111111) == (act & 0x11111111)) ||
2712 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2713 return 0;
2714 else
2715 return 1;
2716 }
2717
2718 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2719 {
2720 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2721
2722 if (val != QLCNIC_DRV_IDC_VER) {
2723 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2724 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2725 }
2726
2727 return 0;
2728 }
2729
2730 static int
2731 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2732 {
2733 u32 val, prev_state;
2734 u8 dev_init_timeo = adapter->dev_init_timeo;
2735 u8 portnum = adapter->portnum;
2736 u8 ret;
2737
2738 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2739 return 1;
2740
2741 if (qlcnic_api_lock(adapter))
2742 return -1;
2743
2744 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2745 if (!(val & (1 << (portnum * 4)))) {
2746 QLC_DEV_SET_REF_CNT(val, portnum);
2747 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2748 }
2749
2750 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2751 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2752
2753 switch (prev_state) {
2754 case QLCNIC_DEV_COLD:
2755 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2756 QLCNIC_DEV_INITIALIZING);
2757 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2758 QLCNIC_DRV_IDC_VER);
2759 qlcnic_idc_debug_info(adapter, 0);
2760 qlcnic_api_unlock(adapter);
2761 return 1;
2762
2763 case QLCNIC_DEV_READY:
2764 ret = qlcnic_check_idc_ver(adapter);
2765 qlcnic_api_unlock(adapter);
2766 return ret;
2767
2768 case QLCNIC_DEV_NEED_RESET:
2769 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2770 QLC_DEV_SET_RST_RDY(val, portnum);
2771 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2772 break;
2773
2774 case QLCNIC_DEV_NEED_QUISCENT:
2775 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2776 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2777 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2778 break;
2779
2780 case QLCNIC_DEV_FAILED:
2781 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2782 qlcnic_api_unlock(adapter);
2783 return -1;
2784
2785 case QLCNIC_DEV_INITIALIZING:
2786 case QLCNIC_DEV_QUISCENT:
2787 break;
2788 }
2789
2790 qlcnic_api_unlock(adapter);
2791
2792 do {
2793 msleep(1000);
2794 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2795
2796 if (prev_state == QLCNIC_DEV_QUISCENT)
2797 continue;
2798 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2799
2800 if (!dev_init_timeo) {
2801 dev_err(&adapter->pdev->dev,
2802 "Waiting for device to initialize timeout\n");
2803 return -1;
2804 }
2805
2806 if (qlcnic_api_lock(adapter))
2807 return -1;
2808
2809 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2810 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2811 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2812
2813 ret = qlcnic_check_idc_ver(adapter);
2814 qlcnic_api_unlock(adapter);
2815
2816 return ret;
2817 }
2818
2819 static void
2820 qlcnic_fwinit_work(struct work_struct *work)
2821 {
2822 struct qlcnic_adapter *adapter = container_of(work,
2823 struct qlcnic_adapter, fw_work.work);
2824 u32 dev_state = 0xf;
2825 u32 val;
2826
2827 if (qlcnic_api_lock(adapter))
2828 goto err_ret;
2829
2830 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2831 if (dev_state == QLCNIC_DEV_QUISCENT ||
2832 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2833 qlcnic_api_unlock(adapter);
2834 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2835 FW_POLL_DELAY * 2);
2836 return;
2837 }
2838
2839 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
2840 qlcnic_api_unlock(adapter);
2841 goto wait_npar;
2842 }
2843
2844 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2845 dev_state == QLCNIC_DEV_READY) {
2846 dev_info(&adapter->pdev->dev, "Detected state change from "
2847 "DEV_NEED_RESET, skipping ack check\n");
2848 goto skip_ack_check;
2849 }
2850
2851 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2852 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2853 adapter->reset_ack_timeo);
2854 goto skip_ack_check;
2855 }
2856
2857 if (!qlcnic_check_drv_state(adapter)) {
2858 skip_ack_check:
2859 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2860
2861 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2862 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2863 QLCNIC_DEV_INITIALIZING);
2864 set_bit(__QLCNIC_START_FW, &adapter->state);
2865 QLCDB(adapter, DRV, "Restarting fw\n");
2866 qlcnic_idc_debug_info(adapter, 0);
2867 val = QLC_SHARED_REG_RD32(adapter,
2868 QLCNIC_CRB_DRV_STATE);
2869 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2870 QLC_SHARED_REG_WR32(adapter,
2871 QLCNIC_CRB_DRV_STATE, val);
2872 }
2873
2874 qlcnic_api_unlock(adapter);
2875
2876 rtnl_lock();
2877 if (adapter->ahw->fw_dump.enable &&
2878 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2879 QLCDB(adapter, DRV, "Take FW dump\n");
2880 qlcnic_dump_fw(adapter);
2881 adapter->flags |= QLCNIC_FW_HANG;
2882 }
2883 rtnl_unlock();
2884
2885 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2886 if (!adapter->nic_ops->start_firmware(adapter)) {
2887 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2888 adapter->fw_wait_cnt = 0;
2889 return;
2890 }
2891 goto err_ret;
2892 }
2893
2894 qlcnic_api_unlock(adapter);
2895
2896 wait_npar:
2897 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2898 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2899
2900 switch (dev_state) {
2901 case QLCNIC_DEV_READY:
2902 if (!qlcnic_start_firmware(adapter)) {
2903 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2904 adapter->fw_wait_cnt = 0;
2905 return;
2906 }
2907 case QLCNIC_DEV_FAILED:
2908 break;
2909 default:
2910 qlcnic_schedule_work(adapter,
2911 qlcnic_fwinit_work, FW_POLL_DELAY);
2912 return;
2913 }
2914
2915 err_ret:
2916 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2917 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2918 netif_device_attach(adapter->netdev);
2919 qlcnic_clr_all_drv_state(adapter, 0);
2920 }
2921
2922 static void
2923 qlcnic_detach_work(struct work_struct *work)
2924 {
2925 struct qlcnic_adapter *adapter = container_of(work,
2926 struct qlcnic_adapter, fw_work.work);
2927 struct net_device *netdev = adapter->netdev;
2928 u32 status;
2929
2930 netif_device_detach(netdev);
2931
2932 /* Dont grab rtnl lock during Quiscent mode */
2933 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2934 if (netif_running(netdev))
2935 __qlcnic_down(adapter, netdev);
2936 } else
2937 qlcnic_down(adapter, netdev);
2938
2939 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2940
2941 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2942 dev_err(&adapter->pdev->dev,
2943 "Detaching the device: peg halt status1=0x%x\n",
2944 status);
2945
2946 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2947 dev_err(&adapter->pdev->dev,
2948 "On board active cooling fan failed. "
2949 "Device has been halted.\n");
2950 dev_err(&adapter->pdev->dev,
2951 "Replace the adapter.\n");
2952 }
2953
2954 goto err_ret;
2955 }
2956
2957 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
2958 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2959 adapter->ahw->temp);
2960 goto err_ret;
2961 }
2962
2963 /* Dont ack if this instance is the reset owner */
2964 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2965 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2966 dev_err(&adapter->pdev->dev,
2967 "Failed to set driver state,"
2968 "detaching the device.\n");
2969 goto err_ret;
2970 }
2971 }
2972
2973 adapter->fw_wait_cnt = 0;
2974
2975 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2976
2977 return;
2978
2979 err_ret:
2980 netif_device_attach(netdev);
2981 qlcnic_clr_all_drv_state(adapter, 1);
2982 }
2983
2984 /*Transit NPAR state to NON Operational */
2985 static void
2986 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2987 {
2988 u32 state;
2989
2990 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2991 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2992 return;
2993
2994 if (qlcnic_api_lock(adapter))
2995 return;
2996 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2997 QLCNIC_DEV_NPAR_NON_OPER);
2998 qlcnic_api_unlock(adapter);
2999 }
3000
3001 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
3002 {
3003 u32 state, xg_val = 0, gb_val = 0;
3004
3005 qlcnic_xg_set_xg0_mask(xg_val);
3006 qlcnic_xg_set_xg1_mask(xg_val);
3007 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3008 qlcnic_gb_set_gb0_mask(gb_val);
3009 qlcnic_gb_set_gb1_mask(gb_val);
3010 qlcnic_gb_set_gb2_mask(gb_val);
3011 qlcnic_gb_set_gb3_mask(gb_val);
3012 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3013 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3014 " on all ports\n");
3015 adapter->need_fw_reset = 1;
3016
3017 if (qlcnic_api_lock(adapter))
3018 return;
3019
3020 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3021
3022 if (state == QLCNIC_DEV_READY) {
3023 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3024 QLCNIC_DEV_NEED_RESET);
3025 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3026 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3027 qlcnic_idc_debug_info(adapter, 0);
3028 }
3029
3030 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3031 QLCNIC_DEV_NPAR_NON_OPER);
3032 qlcnic_api_unlock(adapter);
3033 }
3034
3035 /* Transit to NPAR READY state from NPAR NOT READY state */
3036 static void
3037 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3038 {
3039 if (qlcnic_api_lock(adapter))
3040 return;
3041
3042 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3043 QLCNIC_DEV_NPAR_OPER);
3044 QLCDB(adapter, DRV, "NPAR operational state set\n");
3045
3046 qlcnic_api_unlock(adapter);
3047 }
3048
3049 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3050 work_func_t func, int delay)
3051 {
3052 if (test_bit(__QLCNIC_AER, &adapter->state))
3053 return;
3054
3055 INIT_DELAYED_WORK(&adapter->fw_work, func);
3056 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3057 round_jiffies_relative(delay));
3058 }
3059
3060 static void
3061 qlcnic_attach_work(struct work_struct *work)
3062 {
3063 struct qlcnic_adapter *adapter = container_of(work,
3064 struct qlcnic_adapter, fw_work.work);
3065 struct net_device *netdev = adapter->netdev;
3066 u32 npar_state;
3067
3068 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3069 npar_state = QLC_SHARED_REG_RD32(adapter,
3070 QLCNIC_CRB_DEV_NPAR_STATE);
3071 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3072 qlcnic_clr_all_drv_state(adapter, 0);
3073 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3074 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3075 FW_POLL_DELAY);
3076 else
3077 goto attach;
3078 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3079 return;
3080 }
3081 attach:
3082 if (netif_running(netdev)) {
3083 if (qlcnic_up(adapter, netdev))
3084 goto done;
3085
3086 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3087 }
3088
3089 done:
3090 netif_device_attach(netdev);
3091 adapter->fw_fail_cnt = 0;
3092 adapter->flags &= ~QLCNIC_FW_HANG;
3093 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3094
3095 if (!qlcnic_clr_drv_state(adapter))
3096 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3097 FW_POLL_DELAY);
3098 }
3099
3100 static int
3101 qlcnic_check_health(struct qlcnic_adapter *adapter)
3102 {
3103 u32 state = 0, heartbeat;
3104 u32 peg_status;
3105
3106 if (qlcnic_check_temp(adapter))
3107 goto detach;
3108
3109 if (adapter->need_fw_reset)
3110 qlcnic_dev_request_reset(adapter, 0);
3111
3112 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3113 if (state == QLCNIC_DEV_NEED_RESET) {
3114 qlcnic_set_npar_non_operational(adapter);
3115 adapter->need_fw_reset = 1;
3116 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3117 goto detach;
3118
3119 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3120 if (heartbeat != adapter->heartbeat) {
3121 adapter->heartbeat = heartbeat;
3122 adapter->fw_fail_cnt = 0;
3123 if (adapter->need_fw_reset)
3124 goto detach;
3125
3126 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
3127 qlcnic_reset_hw_context(adapter);
3128 adapter->netdev->trans_start = jiffies;
3129 }
3130
3131 return 0;
3132 }
3133
3134 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3135 return 0;
3136
3137 adapter->flags |= QLCNIC_FW_HANG;
3138
3139 qlcnic_dev_request_reset(adapter, 0);
3140
3141 if (qlcnic_auto_fw_reset)
3142 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3143
3144 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3145 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3146 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3147 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3148 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3149 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3150 "PEG_NET_4_PC: 0x%x\n",
3151 peg_status,
3152 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3153 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3154 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3155 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3156 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3157 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
3158 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3159 dev_err(&adapter->pdev->dev,
3160 "Firmware aborted with error code 0x00006700. "
3161 "Device is being reset.\n");
3162 detach:
3163 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3164 QLCNIC_DEV_NEED_RESET;
3165
3166 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3167 &adapter->state)) {
3168
3169 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3170 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3171 }
3172
3173 return 1;
3174 }
3175
3176 static void
3177 qlcnic_fw_poll_work(struct work_struct *work)
3178 {
3179 struct qlcnic_adapter *adapter = container_of(work,
3180 struct qlcnic_adapter, fw_work.work);
3181
3182 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3183 goto reschedule;
3184
3185
3186 if (qlcnic_check_health(adapter))
3187 return;
3188
3189 if (adapter->fhash.fnum)
3190 qlcnic_prune_lb_filters(adapter);
3191
3192 reschedule:
3193 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3194 }
3195
3196 static int qlcnic_is_first_func(struct pci_dev *pdev)
3197 {
3198 struct pci_dev *oth_pdev;
3199 int val = pdev->devfn;
3200
3201 while (val-- > 0) {
3202 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3203 (pdev->bus), pdev->bus->number,
3204 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3205 if (!oth_pdev)
3206 continue;
3207
3208 if (oth_pdev->current_state != PCI_D3cold) {
3209 pci_dev_put(oth_pdev);
3210 return 0;
3211 }
3212 pci_dev_put(oth_pdev);
3213 }
3214 return 1;
3215 }
3216
3217 static int qlcnic_attach_func(struct pci_dev *pdev)
3218 {
3219 int err, first_func;
3220 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3221 struct net_device *netdev = adapter->netdev;
3222
3223 pdev->error_state = pci_channel_io_normal;
3224
3225 err = pci_enable_device(pdev);
3226 if (err)
3227 return err;
3228
3229 pci_set_power_state(pdev, PCI_D0);
3230 pci_set_master(pdev);
3231 pci_restore_state(pdev);
3232
3233 first_func = qlcnic_is_first_func(pdev);
3234
3235 if (qlcnic_api_lock(adapter))
3236 return -EINVAL;
3237
3238 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3239 adapter->need_fw_reset = 1;
3240 set_bit(__QLCNIC_START_FW, &adapter->state);
3241 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3242 QLCNIC_DEV_INITIALIZING);
3243 QLCDB(adapter, DRV, "Restarting fw\n");
3244 }
3245 qlcnic_api_unlock(adapter);
3246
3247 err = qlcnic_start_firmware(adapter);
3248 if (err)
3249 return err;
3250
3251 qlcnic_clr_drv_state(adapter);
3252 kfree(adapter->msix_entries);
3253 adapter->msix_entries = NULL;
3254 err = qlcnic_setup_intr(adapter, 0);
3255
3256 if (err) {
3257 kfree(adapter->msix_entries);
3258 netdev_err(netdev, "failed to setup interrupt\n");
3259 return err;
3260 }
3261
3262 if (qlcnic_83xx_check(adapter)) {
3263 /* register for NIC IDC AEN Events */
3264 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3265 err = qlcnic_83xx_setup_mbx_intr(adapter);
3266 if (err) {
3267 dev_err(&adapter->pdev->dev,
3268 "failed to setup mbx interrupt\n");
3269 qlcnic_clr_all_drv_state(adapter, 1);
3270 clear_bit(__QLCNIC_AER, &adapter->state);
3271 goto done;
3272 }
3273 }
3274
3275 if (netif_running(netdev)) {
3276 err = qlcnic_attach(adapter);
3277 if (err) {
3278 qlcnic_clr_all_drv_state(adapter, 1);
3279 clear_bit(__QLCNIC_AER, &adapter->state);
3280 netif_device_attach(netdev);
3281 return err;
3282 }
3283
3284 err = qlcnic_up(adapter, netdev);
3285 if (err)
3286 goto done;
3287
3288 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3289 }
3290 done:
3291 netif_device_attach(netdev);
3292 return err;
3293 }
3294
3295 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3296 pci_channel_state_t state)
3297 {
3298 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3299 struct net_device *netdev = adapter->netdev;
3300
3301 if (state == pci_channel_io_perm_failure)
3302 return PCI_ERS_RESULT_DISCONNECT;
3303
3304 if (state == pci_channel_io_normal)
3305 return PCI_ERS_RESULT_RECOVERED;
3306
3307 set_bit(__QLCNIC_AER, &adapter->state);
3308 netif_device_detach(netdev);
3309
3310 cancel_delayed_work_sync(&adapter->fw_work);
3311
3312 if (netif_running(netdev))
3313 qlcnic_down(adapter, netdev);
3314
3315 if (qlcnic_83xx_check(adapter)) {
3316 qlcnic_83xx_free_mbx_intr(adapter);
3317 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3318 cancel_delayed_work_sync(&adapter->idc_aen_work);
3319 }
3320
3321 qlcnic_detach(adapter);
3322 qlcnic_teardown_intr(adapter);
3323
3324 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3325
3326 pci_save_state(pdev);
3327 pci_disable_device(pdev);
3328
3329 return PCI_ERS_RESULT_NEED_RESET;
3330 }
3331
3332 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3333 {
3334 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3335 PCI_ERS_RESULT_RECOVERED;
3336 }
3337
3338 static void qlcnic_io_resume(struct pci_dev *pdev)
3339 {
3340 u32 state;
3341 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3342
3343 pci_cleanup_aer_uncorrect_error_status(pdev);
3344 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3345 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3346 &adapter->state))
3347 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3348 FW_POLL_DELAY);
3349 }
3350
3351 static int
3352 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3353 {
3354 int err;
3355
3356 err = qlcnic_can_start_firmware(adapter);
3357 if (err)
3358 return err;
3359
3360 err = qlcnic_check_npar_opertional(adapter);
3361 if (err)
3362 return err;
3363
3364 err = qlcnic_initialize_nic(adapter);
3365 if (err)
3366 return err;
3367
3368 qlcnic_check_options(adapter);
3369
3370 err = qlcnic_set_eswitch_port_config(adapter);
3371 if (err)
3372 return err;
3373
3374 adapter->need_fw_reset = 0;
3375
3376 return err;
3377 }
3378
3379 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3380 __u32 val)
3381 {
3382 struct net_device *netdev = adapter->netdev;
3383 u8 max_hw = adapter->ahw->max_rx_ques;
3384 u32 max_allowed;
3385
3386 if (val > QLC_MAX_SDS_RINGS) {
3387 netdev_err(netdev, "RSS value should not be higher than %u\n",
3388 QLC_MAX_SDS_RINGS);
3389 return -EINVAL;
3390 }
3391
3392 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3393 num_online_cpus()));
3394 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3395 if (!is_power_of_2(val))
3396 netdev_err(netdev, "RSS value should be a power of 2\n");
3397
3398 if (val < 2)
3399 netdev_err(netdev, "RSS value should not be lower than 2\n");
3400
3401 if (val > max_hw)
3402 netdev_err(netdev,
3403 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3404 max_hw);
3405
3406 if (val > num_online_cpus())
3407 netdev_err(netdev,
3408 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3409 num_online_cpus());
3410
3411 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3412
3413 return -EINVAL;
3414 }
3415 return 0;
3416 }
3417
3418 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
3419 {
3420 int err;
3421 struct net_device *netdev = adapter->netdev;
3422
3423 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3424 return -EBUSY;
3425
3426 netif_device_detach(netdev);
3427 if (netif_running(netdev))
3428 __qlcnic_down(adapter, netdev);
3429
3430 qlcnic_detach(adapter);
3431
3432 if (qlcnic_83xx_check(adapter)) {
3433 qlcnic_83xx_free_mbx_intr(adapter);
3434 qlcnic_83xx_enable_mbx_poll(adapter);
3435 }
3436
3437 qlcnic_teardown_intr(adapter);
3438 err = qlcnic_setup_intr(adapter, data);
3439 if (err) {
3440 kfree(adapter->msix_entries);
3441 netdev_err(netdev, "failed to setup interrupt\n");
3442 return err;
3443 }
3444
3445 if (qlcnic_83xx_check(adapter)) {
3446 /* register for NIC IDC AEN Events */
3447 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3448 err = qlcnic_83xx_setup_mbx_intr(adapter);
3449 qlcnic_83xx_disable_mbx_poll(adapter);
3450 if (err) {
3451 dev_err(&adapter->pdev->dev,
3452 "failed to setup mbx interrupt\n");
3453 goto done;
3454 }
3455 }
3456
3457 if (netif_running(netdev)) {
3458 err = qlcnic_attach(adapter);
3459 if (err)
3460 goto done;
3461 err = __qlcnic_up(adapter, netdev);
3462 if (err)
3463 goto done;
3464 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3465 }
3466 err = len;
3467 done:
3468 netif_device_attach(netdev);
3469 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3470 return err;
3471 }
3472
3473 #ifdef CONFIG_INET
3474
3475 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3476
3477 static void
3478 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3479 struct net_device *dev, unsigned long event)
3480 {
3481 struct in_device *indev;
3482
3483 indev = in_dev_get(dev);
3484 if (!indev)
3485 return;
3486
3487 for_ifa(indev) {
3488 switch (event) {
3489 case NETDEV_UP:
3490 qlcnic_config_ipaddr(adapter,
3491 ifa->ifa_address, QLCNIC_IP_UP);
3492 break;
3493 case NETDEV_DOWN:
3494 qlcnic_config_ipaddr(adapter,
3495 ifa->ifa_address, QLCNIC_IP_DOWN);
3496 break;
3497 default:
3498 break;
3499 }
3500 } endfor_ifa(indev);
3501
3502 in_dev_put(indev);
3503 }
3504
3505 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3506 {
3507 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3508 struct net_device *dev;
3509 u16 vid;
3510
3511 qlcnic_config_indev_addr(adapter, netdev, event);
3512
3513 rcu_read_lock();
3514 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3515 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3516 if (!dev)
3517 continue;
3518 qlcnic_config_indev_addr(adapter, dev, event);
3519 }
3520 rcu_read_unlock();
3521 }
3522
3523 static int qlcnic_netdev_event(struct notifier_block *this,
3524 unsigned long event, void *ptr)
3525 {
3526 struct qlcnic_adapter *adapter;
3527 struct net_device *dev = (struct net_device *)ptr;
3528
3529 recheck:
3530 if (dev == NULL)
3531 goto done;
3532
3533 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3534 dev = vlan_dev_real_dev(dev);
3535 goto recheck;
3536 }
3537
3538 if (!is_qlcnic_netdev(dev))
3539 goto done;
3540
3541 adapter = netdev_priv(dev);
3542
3543 if (!adapter)
3544 goto done;
3545
3546 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3547 goto done;
3548
3549 qlcnic_config_indev_addr(adapter, dev, event);
3550 done:
3551 return NOTIFY_DONE;
3552 }
3553
3554 static int
3555 qlcnic_inetaddr_event(struct notifier_block *this,
3556 unsigned long event, void *ptr)
3557 {
3558 struct qlcnic_adapter *adapter;
3559 struct net_device *dev;
3560
3561 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3562
3563 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3564
3565 recheck:
3566 if (dev == NULL)
3567 goto done;
3568
3569 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3570 dev = vlan_dev_real_dev(dev);
3571 goto recheck;
3572 }
3573
3574 if (!is_qlcnic_netdev(dev))
3575 goto done;
3576
3577 adapter = netdev_priv(dev);
3578
3579 if (!adapter)
3580 goto done;
3581
3582 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3583 goto done;
3584
3585 switch (event) {
3586 case NETDEV_UP:
3587 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3588
3589 break;
3590 case NETDEV_DOWN:
3591 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3592
3593 break;
3594 default:
3595 break;
3596 }
3597
3598 done:
3599 return NOTIFY_DONE;
3600 }
3601
3602 static struct notifier_block qlcnic_netdev_cb = {
3603 .notifier_call = qlcnic_netdev_event,
3604 };
3605
3606 static struct notifier_block qlcnic_inetaddr_cb = {
3607 .notifier_call = qlcnic_inetaddr_event,
3608 };
3609 #else
3610 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3611 { }
3612 #endif
3613 static const struct pci_error_handlers qlcnic_err_handler = {
3614 .error_detected = qlcnic_io_error_detected,
3615 .slot_reset = qlcnic_io_slot_reset,
3616 .resume = qlcnic_io_resume,
3617 };
3618
3619 static struct pci_driver qlcnic_driver = {
3620 .name = qlcnic_driver_name,
3621 .id_table = qlcnic_pci_tbl,
3622 .probe = qlcnic_probe,
3623 .remove = qlcnic_remove,
3624 #ifdef CONFIG_PM
3625 .suspend = qlcnic_suspend,
3626 .resume = qlcnic_resume,
3627 #endif
3628 .shutdown = qlcnic_shutdown,
3629 .err_handler = &qlcnic_err_handler,
3630 #ifdef CONFIG_QLCNIC_SRIOV
3631 .sriov_configure = qlcnic_pci_sriov_configure,
3632 #endif
3633
3634 };
3635
3636 static int __init qlcnic_init_module(void)
3637 {
3638 int ret;
3639
3640 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3641
3642 #ifdef CONFIG_INET
3643 register_netdevice_notifier(&qlcnic_netdev_cb);
3644 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3645 #endif
3646
3647 ret = pci_register_driver(&qlcnic_driver);
3648 if (ret) {
3649 #ifdef CONFIG_INET
3650 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3651 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3652 #endif
3653 }
3654
3655 return ret;
3656 }
3657
3658 module_init(qlcnic_init_module);
3659
3660 static void __exit qlcnic_exit_module(void)
3661 {
3662 pci_unregister_driver(&qlcnic_driver);
3663
3664 #ifdef CONFIG_INET
3665 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3666 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3667 #endif
3668 }
3669
3670 module_exit(qlcnic_exit_module);
kernel source for telekom puls (alcatel/mediatek)