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Merge tag 'probes-fixes-v6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
... / ...
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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * QLogic qlcnic NIC Driver
4 * Copyright (c) 2009-2013 QLogic Corporation
5 */
6
7#include <linux/vmalloc.h>
8#include <linux/interrupt.h>
9#include <linux/swab.h>
10#include <linux/dma-mapping.h>
11#include <linux/if_vlan.h>
12#include <net/ip.h>
13#include <linux/ipv6.h>
14#include <linux/inetdevice.h>
15#include <linux/log2.h>
16#include <linux/pci.h>
17#include <net/vxlan.h>
18
19#include "qlcnic.h"
20#include "qlcnic_sriov.h"
21#include "qlcnic_hw.h"
22
23MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
24MODULE_LICENSE("GPL");
25MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
26MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
27
28char qlcnic_driver_name[] = "qlcnic";
29static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
30 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
31
32static int qlcnic_mac_learn;
33module_param(qlcnic_mac_learn, int, 0444);
34MODULE_PARM_DESC(qlcnic_mac_learn,
35 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
36
37int qlcnic_use_msi = 1;
38MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
39module_param_named(use_msi, qlcnic_use_msi, int, 0444);
40
41int qlcnic_use_msi_x = 1;
42MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
43module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
44
45int qlcnic_auto_fw_reset = 1;
46MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
47module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
48
49int qlcnic_load_fw_file;
50MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
51module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
52
53static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
54static void qlcnic_remove(struct pci_dev *pdev);
55static int qlcnic_open(struct net_device *netdev);
56static int qlcnic_close(struct net_device *netdev);
57static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue);
58static void qlcnic_attach_work(struct work_struct *work);
59static void qlcnic_fwinit_work(struct work_struct *work);
60
61static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
62static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
63
64static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
65static irqreturn_t qlcnic_intr(int irq, void *data);
66static irqreturn_t qlcnic_msi_intr(int irq, void *data);
67static irqreturn_t qlcnic_msix_intr(int irq, void *data);
68static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
69
70static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
71static int qlcnic_start_firmware(struct qlcnic_adapter *);
72
73static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
74static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
75static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
76static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
77static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
78
79static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
80static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
81static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
82static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
83static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
84static void qlcnic_82xx_io_resume(struct pci_dev *);
85static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
86static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
87 pci_channel_state_t);
88static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
89{
90 struct qlcnic_hardware_context *ahw = adapter->ahw;
91
92 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
93 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
94 else
95 return 1;
96}
97
98/* PCI Device ID Table */
99#define ENTRY(device) \
100 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
101 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
102
103static const struct pci_device_id qlcnic_pci_tbl[] = {
104 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
106 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
107 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
108 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
110 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
111 {0,}
112};
113
114MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
115
116
117inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
118{
119 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
120}
121
122static const u32 msi_tgt_status[8] = {
123 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
124 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
125 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
126 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
127};
128
129static const u32 qlcnic_reg_tbl[] = {
130 0x1B20A8, /* PEG_HALT_STAT1 */
131 0x1B20AC, /* PEG_HALT_STAT2 */
132 0x1B20B0, /* FW_HEARTBEAT */
133 0x1B2100, /* LOCK ID */
134 0x1B2128, /* FW_CAPABILITIES */
135 0x1B2138, /* drv active */
136 0x1B2140, /* dev state */
137 0x1B2144, /* drv state */
138 0x1B2148, /* drv scratch */
139 0x1B214C, /* dev partition info */
140 0x1B2174, /* drv idc ver */
141 0x1B2150, /* fw version major */
142 0x1B2154, /* fw version minor */
143 0x1B2158, /* fw version sub */
144 0x1B219C, /* npar state */
145 0x1B21FC, /* FW_IMG_VALID */
146 0x1B2250, /* CMD_PEG_STATE */
147 0x1B233C, /* RCV_PEG_STATE */
148 0x1B23B4, /* ASIC TEMP */
149 0x1B216C, /* FW api */
150 0x1B2170, /* drv op mode */
151 0x13C010, /* flash lock */
152 0x13C014, /* flash unlock */
153};
154
155static const struct qlcnic_board_info qlcnic_boards[] = {
156 { PCI_VENDOR_ID_QLOGIC,
157 PCI_DEVICE_ID_QLOGIC_QLE844X,
158 0x0,
159 0x0,
160 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
161 { PCI_VENDOR_ID_QLOGIC,
162 PCI_DEVICE_ID_QLOGIC_QLE834X,
163 PCI_VENDOR_ID_QLOGIC,
164 0x24e,
165 "8300 Series Dual Port 10GbE Converged Network Adapter "
166 "(TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
170 0x243,
171 "8300 Series Single Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
176 0x24a,
177 "8300 Series Dual Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
182 0x246,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
188 0x252,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
194 0x26e,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
200 0x260,
201 "8300 Series Dual Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
206 0x266,
207 "8300 Series Single Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
212 0x269,
213 "8300 Series Dual Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 PCI_VENDOR_ID_QLOGIC,
218 0x271,
219 "8300 Series Dual Port 10GbE Converged Network Adapter "
220 "(TCP/IP Networking)" },
221 { PCI_VENDOR_ID_QLOGIC,
222 PCI_DEVICE_ID_QLOGIC_QLE834X,
223 0x0, 0x0, "8300 Series 1/10GbE Controller" },
224 { PCI_VENDOR_ID_QLOGIC,
225 PCI_DEVICE_ID_QLOGIC_QLE8830,
226 0x0,
227 0x0,
228 "8830 Series 1/10GbE Controller" },
229 { PCI_VENDOR_ID_QLOGIC,
230 PCI_DEVICE_ID_QLOGIC_QLE824X,
231 PCI_VENDOR_ID_QLOGIC,
232 0x203,
233 "8200 Series Single Port 10GbE Converged Network Adapter"
234 "(TCP/IP Networking)" },
235 { PCI_VENDOR_ID_QLOGIC,
236 PCI_DEVICE_ID_QLOGIC_QLE824X,
237 PCI_VENDOR_ID_QLOGIC,
238 0x207,
239 "8200 Series Dual Port 10GbE Converged Network Adapter"
240 "(TCP/IP Networking)" },
241 { PCI_VENDOR_ID_QLOGIC,
242 PCI_DEVICE_ID_QLOGIC_QLE824X,
243 PCI_VENDOR_ID_QLOGIC,
244 0x20b,
245 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
246 { PCI_VENDOR_ID_QLOGIC,
247 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 PCI_VENDOR_ID_QLOGIC,
249 0x20c,
250 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
251 { PCI_VENDOR_ID_QLOGIC,
252 PCI_DEVICE_ID_QLOGIC_QLE824X,
253 PCI_VENDOR_ID_QLOGIC,
254 0x20f,
255 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
256 { PCI_VENDOR_ID_QLOGIC,
257 PCI_DEVICE_ID_QLOGIC_QLE824X,
258 0x103c, 0x3733,
259 "NC523SFP 10Gb 2-port Server Adapter" },
260 { PCI_VENDOR_ID_QLOGIC,
261 PCI_DEVICE_ID_QLOGIC_QLE824X,
262 0x103c, 0x3346,
263 "CN1000Q Dual Port Converged Network Adapter" },
264 { PCI_VENDOR_ID_QLOGIC,
265 PCI_DEVICE_ID_QLOGIC_QLE824X,
266 PCI_VENDOR_ID_QLOGIC,
267 0x210,
268 "QME8242-k 10GbE Dual Port Mezzanine Card" },
269 { PCI_VENDOR_ID_QLOGIC,
270 PCI_DEVICE_ID_QLOGIC_QLE824X,
271 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
272};
273
274#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
275
276static const
277struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
278
279int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
280{
281 int size = sizeof(struct qlcnic_host_sds_ring) * count;
282
283 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
284
285 return recv_ctx->sds_rings == NULL;
286}
287
288void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
289{
290 kfree(recv_ctx->sds_rings);
291 recv_ctx->sds_rings = NULL;
292}
293
294int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
295{
296 struct net_device *netdev = adapter->netdev;
297 struct pci_dev *pdev = adapter->pdev;
298 u8 mac_addr[ETH_ALEN];
299 int ret;
300
301 ret = qlcnic_get_mac_address(adapter, mac_addr,
302 adapter->ahw->pci_func);
303 if (ret)
304 return ret;
305
306 eth_hw_addr_set(netdev, mac_addr);
307 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
308
309 /* set station address */
310
311 if (!is_valid_ether_addr(netdev->dev_addr))
312 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
313 netdev->dev_addr);
314
315 return 0;
316}
317
318static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
319{
320 struct qlcnic_mac_vlan_list *cur;
321
322 list_for_each_entry(cur, &adapter->mac_list, list) {
323 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
324 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
325 0, QLCNIC_MAC_DEL);
326 list_del(&cur->list);
327 kfree(cur);
328 return;
329 }
330 }
331}
332
333static int qlcnic_set_mac(struct net_device *netdev, void *p)
334{
335 struct qlcnic_adapter *adapter = netdev_priv(netdev);
336 struct sockaddr *addr = p;
337
338 if (qlcnic_sriov_vf_check(adapter))
339 return -EINVAL;
340
341 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
342 return -EOPNOTSUPP;
343
344 if (!is_valid_ether_addr(addr->sa_data))
345 return -EINVAL;
346
347 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) &&
348 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data))
349 return 0;
350
351 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
352 netif_device_detach(netdev);
353 qlcnic_napi_disable(adapter);
354 }
355
356 qlcnic_delete_adapter_mac(adapter);
357 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
358 eth_hw_addr_set(netdev, addr->sa_data);
359 qlcnic_set_multi(adapter->netdev);
360
361 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
362 netif_device_attach(netdev);
363 qlcnic_napi_enable(adapter);
364 }
365 return 0;
366}
367
368static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
369 struct net_device *netdev,
370 const unsigned char *addr, u16 vid, bool *notified,
371 struct netlink_ext_ack *extack)
372{
373 struct qlcnic_adapter *adapter = netdev_priv(netdev);
374 int err = -EOPNOTSUPP;
375
376 if (!adapter->fdb_mac_learn)
377 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
378
379 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
380 qlcnic_sriov_check(adapter)) {
381 if (is_unicast_ether_addr(addr)) {
382 err = dev_uc_del(netdev, addr);
383 if (!err)
384 err = qlcnic_nic_del_mac(adapter, addr);
385 } else if (is_multicast_ether_addr(addr)) {
386 err = dev_mc_del(netdev, addr);
387 } else {
388 err = -EINVAL;
389 }
390 }
391 return err;
392}
393
394static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
395 struct net_device *netdev,
396 const unsigned char *addr, u16 vid, u16 flags,
397 bool *notified, struct netlink_ext_ack *extack)
398{
399 struct qlcnic_adapter *adapter = netdev_priv(netdev);
400 int err = 0;
401
402 if (!adapter->fdb_mac_learn)
403 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
404
405 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
406 !qlcnic_sriov_check(adapter)) {
407 pr_info("%s: FDB e-switch is not enabled\n", __func__);
408 return -EOPNOTSUPP;
409 }
410
411 if (ether_addr_equal(addr, adapter->mac_addr))
412 return err;
413
414 if (is_unicast_ether_addr(addr)) {
415 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
416 err = dev_uc_add_excl(netdev, addr);
417 else
418 err = -ENOMEM;
419 } else if (is_multicast_ether_addr(addr)) {
420 err = dev_mc_add_excl(netdev, addr);
421 } else {
422 err = -EINVAL;
423 }
424
425 return err;
426}
427
428static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
429 struct net_device *netdev,
430 struct net_device *filter_dev, int *idx)
431{
432 struct qlcnic_adapter *adapter = netdev_priv(netdev);
433 int err = 0;
434
435 if (!adapter->fdb_mac_learn)
436 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
437
438 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
439 qlcnic_sriov_check(adapter))
440 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
441
442 return err;
443}
444
445static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
446{
447 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
448 usleep_range(10000, 11000);
449
450 if (!adapter->fw_work.work.func)
451 return;
452
453 cancel_delayed_work_sync(&adapter->fw_work);
454}
455
456static int qlcnic_get_phys_port_id(struct net_device *netdev,
457 struct netdev_phys_item_id *ppid)
458{
459 struct qlcnic_adapter *adapter = netdev_priv(netdev);
460 struct qlcnic_hardware_context *ahw = adapter->ahw;
461
462 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
463 return -EOPNOTSUPP;
464
465 ppid->id_len = sizeof(ahw->phys_port_id);
466 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
467
468 return 0;
469}
470
471static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table)
472{
473 struct qlcnic_adapter *adapter = netdev_priv(dev);
474 struct udp_tunnel_info ti;
475 int err;
476
477 udp_tunnel_nic_get_port(dev, table, 0, &ti);
478 if (ti.port) {
479 err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port));
480 if (err)
481 return err;
482 }
483
484 return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port));
485}
486
487static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = {
488 .sync_table = qlcnic_udp_tunnel_sync,
489 .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP,
490 .tables = {
491 { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
492 },
493};
494
495static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
496 struct net_device *dev,
497 netdev_features_t features)
498{
499 features = vlan_features_check(skb, features);
500 return vxlan_features_check(skb, features);
501}
502
503static const struct net_device_ops qlcnic_netdev_ops = {
504 .ndo_open = qlcnic_open,
505 .ndo_stop = qlcnic_close,
506 .ndo_start_xmit = qlcnic_xmit_frame,
507 .ndo_get_stats = qlcnic_get_stats,
508 .ndo_validate_addr = eth_validate_addr,
509 .ndo_set_rx_mode = qlcnic_set_multi,
510 .ndo_set_mac_address = qlcnic_set_mac,
511 .ndo_change_mtu = qlcnic_change_mtu,
512 .ndo_fix_features = qlcnic_fix_features,
513 .ndo_set_features = qlcnic_set_features,
514 .ndo_tx_timeout = qlcnic_tx_timeout,
515 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
516 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
517 .ndo_fdb_add = qlcnic_fdb_add,
518 .ndo_fdb_del = qlcnic_fdb_del,
519 .ndo_fdb_dump = qlcnic_fdb_dump,
520 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
521 .ndo_features_check = qlcnic_features_check,
522#ifdef CONFIG_QLCNIC_SRIOV
523 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
524 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
525 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
526 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
527 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
528#endif
529};
530
531static const struct net_device_ops qlcnic_netdev_failed_ops = {
532 .ndo_open = qlcnic_open,
533};
534
535static struct qlcnic_nic_template qlcnic_ops = {
536 .config_bridged_mode = qlcnic_config_bridged_mode,
537 .config_led = qlcnic_82xx_config_led,
538 .start_firmware = qlcnic_82xx_start_firmware,
539 .request_reset = qlcnic_82xx_dev_request_reset,
540 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
541 .napi_add = qlcnic_82xx_napi_add,
542 .napi_del = qlcnic_82xx_napi_del,
543 .config_ipaddr = qlcnic_82xx_config_ipaddr,
544 .shutdown = qlcnic_82xx_shutdown,
545 .resume = qlcnic_82xx_resume,
546 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
547};
548
549struct qlcnic_nic_template qlcnic_vf_ops = {
550 .config_bridged_mode = qlcnicvf_config_bridged_mode,
551 .config_led = qlcnicvf_config_led,
552 .start_firmware = qlcnicvf_start_firmware
553};
554
555static struct qlcnic_hardware_ops qlcnic_hw_ops = {
556 .read_crb = qlcnic_82xx_read_crb,
557 .write_crb = qlcnic_82xx_write_crb,
558 .read_reg = qlcnic_82xx_hw_read_wx_2M,
559 .write_reg = qlcnic_82xx_hw_write_wx_2M,
560 .get_mac_address = qlcnic_82xx_get_mac_address,
561 .setup_intr = qlcnic_82xx_setup_intr,
562 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
563 .mbx_cmd = qlcnic_82xx_issue_cmd,
564 .get_func_no = qlcnic_82xx_get_func_no,
565 .api_lock = qlcnic_82xx_api_lock,
566 .api_unlock = qlcnic_82xx_api_unlock,
567 .add_sysfs = qlcnic_82xx_add_sysfs,
568 .remove_sysfs = qlcnic_82xx_remove_sysfs,
569 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
570 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
571 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
572 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
573 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
574 .setup_link_event = qlcnic_82xx_linkevent_request,
575 .get_nic_info = qlcnic_82xx_get_nic_info,
576 .get_pci_info = qlcnic_82xx_get_pci_info,
577 .set_nic_info = qlcnic_82xx_set_nic_info,
578 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
579 .napi_enable = qlcnic_82xx_napi_enable,
580 .napi_disable = qlcnic_82xx_napi_disable,
581 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
582 .config_rss = qlcnic_82xx_config_rss,
583 .config_hw_lro = qlcnic_82xx_config_hw_lro,
584 .config_loopback = qlcnic_82xx_set_lb_mode,
585 .clear_loopback = qlcnic_82xx_clear_lb_mode,
586 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
587 .change_l2_filter = qlcnic_82xx_change_filter,
588 .get_board_info = qlcnic_82xx_get_board_info,
589 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
590 .free_mac_list = qlcnic_82xx_free_mac_list,
591 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
592 .io_error_detected = qlcnic_82xx_io_error_detected,
593 .io_slot_reset = qlcnic_82xx_io_slot_reset,
594 .io_resume = qlcnic_82xx_io_resume,
595 .get_beacon_state = qlcnic_82xx_get_beacon_state,
596 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
597 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
598 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
599 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
600 .get_saved_state = qlcnic_82xx_get_saved_state,
601 .set_saved_state = qlcnic_82xx_set_saved_state,
602 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
603 .get_cap_size = qlcnic_82xx_get_cap_size,
604 .set_sys_info = qlcnic_82xx_set_sys_info,
605 .store_cap_mask = qlcnic_82xx_store_cap_mask,
606 .encap_rx_offload = qlcnic_82xx_encap_rx_offload,
607 .encap_tx_offload = qlcnic_82xx_encap_tx_offload,
608};
609
610static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
611{
612 struct qlcnic_hardware_context *ahw = adapter->ahw;
613
614 if (qlcnic_82xx_check(adapter) &&
615 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
616 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
617 return 0;
618 } else {
619 return 1;
620 }
621}
622
623static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
624 int queue_type)
625{
626 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
627
628 if (queue_type == QLCNIC_RX_QUEUE)
629 max_rings = adapter->max_sds_rings;
630 else if (queue_type == QLCNIC_TX_QUEUE)
631 max_rings = adapter->max_tx_rings;
632
633 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
634 max_rings));
635
636 if (ring_cnt > num_rings)
637 return num_rings;
638 else
639 return ring_cnt;
640}
641
642void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
643{
644 /* 83xx adapter does not have max_tx_rings intialized in probe */
645 if (adapter->max_tx_rings)
646 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
647 QLCNIC_TX_QUEUE);
648 else
649 adapter->drv_tx_rings = tx_cnt;
650}
651
652void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
653{
654 /* 83xx adapter does not have max_sds_rings intialized in probe */
655 if (adapter->max_sds_rings)
656 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
657 QLCNIC_RX_QUEUE);
658 else
659 adapter->drv_sds_rings = rx_cnt;
660}
661
662int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
663{
664 struct pci_dev *pdev = adapter->pdev;
665 int num_msix = 0, err = 0, vector;
666
667 adapter->flags &= ~QLCNIC_TSS_RSS;
668
669 if (adapter->drv_tss_rings > 0)
670 num_msix += adapter->drv_tss_rings;
671 else
672 num_msix += adapter->drv_tx_rings;
673
674 if (adapter->drv_rss_rings > 0)
675 num_msix += adapter->drv_rss_rings;
676 else
677 num_msix += adapter->drv_sds_rings;
678
679 if (qlcnic_83xx_check(adapter))
680 num_msix += 1;
681
682 if (!adapter->msix_entries) {
683 adapter->msix_entries = kcalloc(num_msix,
684 sizeof(struct msix_entry),
685 GFP_KERNEL);
686 if (!adapter->msix_entries)
687 return -ENOMEM;
688 }
689
690 for (vector = 0; vector < num_msix; vector++)
691 adapter->msix_entries[vector].entry = vector;
692
693restore:
694 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
695 if (err == -ENOSPC) {
696 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
697 return err;
698
699 netdev_info(adapter->netdev,
700 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
701 num_msix, err);
702
703 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
704
705 /* Set rings to 0 so we can restore original TSS/RSS count */
706 adapter->drv_tss_rings = 0;
707 adapter->drv_rss_rings = 0;
708
709 if (qlcnic_83xx_check(adapter))
710 num_msix += 1;
711
712 netdev_info(adapter->netdev,
713 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
714 adapter->drv_tx_rings, adapter->drv_sds_rings,
715 num_msix);
716
717 goto restore;
718 } else if (err < 0) {
719 return err;
720 }
721
722 adapter->ahw->num_msix = num_msix;
723 if (adapter->drv_tss_rings > 0)
724 adapter->drv_tx_rings = adapter->drv_tss_rings;
725
726 if (adapter->drv_rss_rings > 0)
727 adapter->drv_sds_rings = adapter->drv_rss_rings;
728
729 return 0;
730}
731
732int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
733{
734 struct pci_dev *pdev = adapter->pdev;
735 int err, vector;
736
737 if (!adapter->msix_entries) {
738 adapter->msix_entries = kcalloc(num_msix,
739 sizeof(struct msix_entry),
740 GFP_KERNEL);
741 if (!adapter->msix_entries)
742 return -ENOMEM;
743 }
744
745 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
746
747 if (adapter->ahw->msix_supported) {
748enable_msix:
749 for (vector = 0; vector < num_msix; vector++)
750 adapter->msix_entries[vector].entry = vector;
751
752 err = pci_enable_msix_range(pdev,
753 adapter->msix_entries, 1, num_msix);
754
755 if (err == num_msix) {
756 adapter->flags |= QLCNIC_MSIX_ENABLED;
757 adapter->ahw->num_msix = num_msix;
758 dev_info(&pdev->dev, "using msi-x interrupts\n");
759 return 0;
760 } else if (err > 0) {
761 pci_disable_msix(pdev);
762
763 dev_info(&pdev->dev,
764 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
765 num_msix, err);
766
767 if (qlcnic_82xx_check(adapter)) {
768 num_msix = rounddown_pow_of_two(err);
769 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
770 return -ENOSPC;
771 } else {
772 num_msix = rounddown_pow_of_two(err - 1);
773 num_msix += 1;
774 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
775 return -ENOSPC;
776 }
777
778 if (qlcnic_82xx_check(adapter) &&
779 !qlcnic_check_multi_tx(adapter)) {
780 adapter->drv_sds_rings = num_msix;
781 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
782 } else {
783 /* Distribute vectors equally */
784 adapter->drv_tx_rings = num_msix / 2;
785 adapter->drv_sds_rings = adapter->drv_tx_rings;
786 }
787
788 if (num_msix) {
789 dev_info(&pdev->dev,
790 "Trying to allocate %d MSI-X interrupt vectors\n",
791 num_msix);
792 goto enable_msix;
793 }
794 } else {
795 dev_info(&pdev->dev,
796 "Unable to allocate %d MSI-X vectors, err=%d\n",
797 num_msix, err);
798 return err;
799 }
800 }
801
802 return -EIO;
803}
804
805static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
806{
807 int num_msix;
808
809 num_msix = adapter->drv_sds_rings;
810
811 if (qlcnic_check_multi_tx(adapter))
812 num_msix += adapter->drv_tx_rings;
813 else
814 num_msix += QLCNIC_SINGLE_RING;
815
816 return num_msix;
817}
818
819static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
820{
821 int err = 0;
822 u32 offset, mask_reg;
823 const struct qlcnic_legacy_intr_set *legacy_intrp;
824 struct qlcnic_hardware_context *ahw = adapter->ahw;
825 struct pci_dev *pdev = adapter->pdev;
826
827 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
828 adapter->flags |= QLCNIC_MSI_ENABLED;
829 offset = msi_tgt_status[adapter->ahw->pci_func];
830 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
831 offset);
832 dev_info(&pdev->dev, "using msi interrupts\n");
833 adapter->msix_entries[0].vector = pdev->irq;
834 return err;
835 }
836
837 if (qlcnic_use_msi || qlcnic_use_msi_x)
838 return -EOPNOTSUPP;
839
840 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
841 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
842 offset = legacy_intrp->tgt_status_reg;
843 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
844 mask_reg = legacy_intrp->tgt_mask_reg;
845 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
846 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
847 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
848 dev_info(&pdev->dev, "using legacy interrupts\n");
849 adapter->msix_entries[0].vector = pdev->irq;
850 return err;
851}
852
853static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
854{
855 int num_msix, err = 0;
856
857 if (adapter->flags & QLCNIC_TSS_RSS) {
858 err = qlcnic_setup_tss_rss_intr(adapter);
859 if (err < 0)
860 return err;
861 num_msix = adapter->ahw->num_msix;
862 } else {
863 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
864
865 err = qlcnic_enable_msix(adapter, num_msix);
866 if (err == -ENOMEM)
867 return err;
868
869 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
870 qlcnic_disable_multi_tx(adapter);
871 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
872
873 err = qlcnic_enable_msi_legacy(adapter);
874 if (err)
875 return err;
876 }
877 }
878
879 return 0;
880}
881
882int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
883{
884 struct qlcnic_hardware_context *ahw = adapter->ahw;
885 int err, i;
886
887 if (qlcnic_check_multi_tx(adapter) &&
888 !ahw->diag_test &&
889 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
890 ahw->intr_tbl =
891 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config),
892 ahw->num_msix));
893 if (!ahw->intr_tbl)
894 return -ENOMEM;
895
896 for (i = 0; i < ahw->num_msix; i++) {
897 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
898 ahw->intr_tbl[i].id = i;
899 ahw->intr_tbl[i].src = 0;
900 }
901
902 err = qlcnic_82xx_config_intrpt(adapter, 1);
903 if (err)
904 dev_err(&adapter->pdev->dev,
905 "Failed to configure Interrupt for %d vector\n",
906 ahw->num_msix);
907 return err;
908 }
909
910 return 0;
911}
912
913void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
914{
915 if (adapter->flags & QLCNIC_MSIX_ENABLED)
916 pci_disable_msix(adapter->pdev);
917 if (adapter->flags & QLCNIC_MSI_ENABLED)
918 pci_disable_msi(adapter->pdev);
919
920 kfree(adapter->msix_entries);
921 adapter->msix_entries = NULL;
922
923 if (adapter->ahw->intr_tbl) {
924 vfree(adapter->ahw->intr_tbl);
925 adapter->ahw->intr_tbl = NULL;
926 }
927}
928
929static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
930{
931 if (ahw->pci_base0 != NULL)
932 iounmap(ahw->pci_base0);
933}
934
935static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
936{
937 struct qlcnic_hardware_context *ahw = adapter->ahw;
938 struct qlcnic_pci_info *pci_info;
939 int ret;
940
941 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
942 switch (ahw->port_type) {
943 case QLCNIC_GBE:
944 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
945 break;
946 case QLCNIC_XGBE:
947 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
948 break;
949 }
950 return 0;
951 }
952
953 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
954 return 0;
955
956 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
957 if (!pci_info)
958 return -ENOMEM;
959
960 ret = qlcnic_get_pci_info(adapter, pci_info);
961 kfree(pci_info);
962 return ret;
963}
964
965static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
966{
967 bool ret = false;
968
969 if (qlcnic_84xx_check(adapter)) {
970 ret = true;
971 } else if (qlcnic_83xx_check(adapter)) {
972 if (adapter->ahw->extra_capability[0] &
973 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
974 ret = true;
975 else
976 ret = false;
977 }
978
979 return ret;
980}
981
982int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
983{
984 struct qlcnic_hardware_context *ahw = adapter->ahw;
985 struct qlcnic_pci_info *pci_info;
986 int i, id = 0, ret = 0, j = 0;
987 u16 act_pci_func;
988 u8 pfn;
989
990 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
991 if (!pci_info)
992 return -ENOMEM;
993
994 ret = qlcnic_get_pci_info(adapter, pci_info);
995 if (ret)
996 goto err_pci_info;
997
998 act_pci_func = ahw->total_nic_func;
999
1000 adapter->npars = kcalloc(act_pci_func,
1001 sizeof(struct qlcnic_npar_info),
1002 GFP_KERNEL);
1003 if (!adapter->npars) {
1004 ret = -ENOMEM;
1005 goto err_pci_info;
1006 }
1007
1008 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS,
1009 sizeof(struct qlcnic_eswitch),
1010 GFP_KERNEL);
1011 if (!adapter->eswitch) {
1012 ret = -ENOMEM;
1013 goto err_npars;
1014 }
1015
1016 for (i = 0; i < ahw->max_vnic_func; i++) {
1017 pfn = pci_info[i].id;
1018
1019 if (pfn >= ahw->max_vnic_func) {
1020 ret = -EINVAL;
1021 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1022 __func__, pfn, ahw->max_vnic_func);
1023 goto err_eswitch;
1024 }
1025
1026 if (!pci_info[i].active ||
1027 (pci_info[i].type != QLCNIC_TYPE_NIC))
1028 continue;
1029
1030 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1031 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1032 &id))
1033 adapter->npars[j].eswitch_status = true;
1034 else
1035 continue;
1036 } else {
1037 adapter->npars[j].eswitch_status = true;
1038 }
1039
1040 adapter->npars[j].pci_func = pfn;
1041 adapter->npars[j].active = (u8)pci_info[i].active;
1042 adapter->npars[j].type = (u8)pci_info[i].type;
1043 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1044 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1045 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1046
1047 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1048 j++;
1049 }
1050
1051 /* Update eSwitch status for adapters without per port eSwitch
1052 * configuration capability
1053 */
1054 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1055 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1056 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1057 }
1058
1059 kfree(pci_info);
1060 return 0;
1061
1062err_eswitch:
1063 kfree(adapter->eswitch);
1064 adapter->eswitch = NULL;
1065err_npars:
1066 kfree(adapter->npars);
1067 adapter->npars = NULL;
1068err_pci_info:
1069 kfree(pci_info);
1070
1071 return ret;
1072}
1073
1074static int
1075qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1076{
1077 u8 id;
1078 int ret;
1079 u32 data = QLCNIC_MGMT_FUNC;
1080 struct qlcnic_hardware_context *ahw = adapter->ahw;
1081
1082 ret = qlcnic_api_lock(adapter);
1083 if (ret)
1084 goto err_lock;
1085
1086 id = ahw->pci_func;
1087 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1088 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1089 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1090 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1091 qlcnic_api_unlock(adapter);
1092err_lock:
1093 return ret;
1094}
1095
1096static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1097 const struct pci_device_id *ent)
1098{
1099 u32 op_mode, priv_level;
1100
1101 /* Determine FW API version */
1102 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1103 QLCNIC_FW_API);
1104
1105 /* Find PCI function number */
1106 qlcnic_get_func_no(adapter);
1107
1108 /* Determine function privilege level */
1109 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1110 if (op_mode == QLC_DEV_DRV_DEFAULT)
1111 priv_level = QLCNIC_MGMT_FUNC;
1112 else
1113 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1114
1115 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1116 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1117 dev_info(&adapter->pdev->dev,
1118 "HAL Version: %d Non Privileged function\n",
1119 adapter->ahw->fw_hal_version);
1120 adapter->nic_ops = &qlcnic_vf_ops;
1121 } else
1122 adapter->nic_ops = &qlcnic_ops;
1123}
1124
1125#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1126#define QLCNIC_83XX_BAR0_LENGTH 0x4000
1127static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1128{
1129 switch (dev_id) {
1130 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1131 *bar = QLCNIC_82XX_BAR0_LENGTH;
1132 break;
1133 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1134 case PCI_DEVICE_ID_QLOGIC_QLE8830:
1135 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1136 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1137 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1138 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
1139 *bar = QLCNIC_83XX_BAR0_LENGTH;
1140 break;
1141 default:
1142 *bar = 0;
1143 }
1144}
1145
1146static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1147 struct qlcnic_hardware_context *ahw)
1148{
1149 u32 offset;
1150 void __iomem *mem_ptr0 = NULL;
1151 unsigned long mem_len, pci_len0 = 0, bar0_len;
1152
1153 /* remap phys address */
1154 mem_len = pci_resource_len(pdev, 0);
1155
1156 qlcnic_get_bar_length(pdev->device, &bar0_len);
1157 if (mem_len >= bar0_len) {
1158
1159 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1160 if (mem_ptr0 == NULL) {
1161 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1162 return -EIO;
1163 }
1164 pci_len0 = mem_len;
1165 } else {
1166 return -EIO;
1167 }
1168
1169 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1170
1171 ahw->pci_base0 = mem_ptr0;
1172 ahw->pci_len0 = pci_len0;
1173 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1174 qlcnic_get_ioaddr(ahw, offset);
1175
1176 return 0;
1177}
1178
1179static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1180 int index)
1181{
1182 struct pci_dev *pdev = adapter->pdev;
1183 unsigned short subsystem_vendor;
1184 bool ret = true;
1185
1186 subsystem_vendor = pdev->subsystem_vendor;
1187
1188 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1189 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1190 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1191 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1192 ret = true;
1193 else
1194 ret = false;
1195 }
1196
1197 return ret;
1198}
1199
1200static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1201{
1202 struct pci_dev *pdev = adapter->pdev;
1203 int i, found = 0;
1204
1205 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1206 if (qlcnic_boards[i].vendor == pdev->vendor &&
1207 qlcnic_boards[i].device == pdev->device &&
1208 qlcnic_validate_subsystem_id(adapter, i)) {
1209 found = 1;
1210 break;
1211 }
1212 }
1213
1214 if (!found)
1215 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1216 else
1217 sprintf(name, "%pM: %s" , adapter->mac_addr,
1218 qlcnic_boards[i].short_name);
1219}
1220
1221static void
1222qlcnic_check_options(struct qlcnic_adapter *adapter)
1223{
1224 int err;
1225 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1226 struct pci_dev *pdev = adapter->pdev;
1227 struct qlcnic_hardware_context *ahw = adapter->ahw;
1228 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1229
1230 prev_fw_version = adapter->fw_version;
1231
1232 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1233 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1234 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1235
1236 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1237
1238 err = qlcnic_get_board_info(adapter);
1239 if (err) {
1240 dev_err(&pdev->dev, "Error getting board config info.\n");
1241 return;
1242 }
1243 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1244 if (fw_dump->tmpl_hdr == NULL ||
1245 adapter->fw_version > prev_fw_version) {
1246 vfree(fw_dump->tmpl_hdr);
1247 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1248 dev_info(&pdev->dev,
1249 "Supports FW dump capability\n");
1250 }
1251 }
1252
1253 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1254 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1255
1256 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1257 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1258 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1259 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1260 } else {
1261 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1262 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1263 }
1264
1265 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1266 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1267
1268 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1269 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1270 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1271 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1272 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1273 }
1274
1275 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1276
1277 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1278
1279 adapter->max_rds_rings = MAX_RDS_RINGS;
1280}
1281
1282static int
1283qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1284{
1285 struct qlcnic_info nic_info;
1286 int err = 0;
1287
1288 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1289 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1290 if (err)
1291 return err;
1292
1293 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1294 adapter->ahw->switch_mode = nic_info.switch_mode;
1295 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1296 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1297 adapter->ahw->capabilities = nic_info.capabilities;
1298
1299 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1300 u32 temp;
1301 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1302 if (err == -EIO)
1303 return err;
1304 adapter->ahw->extra_capability[0] = temp;
1305 } else {
1306 adapter->ahw->extra_capability[0] = 0;
1307 }
1308
1309 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1310 adapter->ahw->max_mtu = nic_info.max_mtu;
1311
1312 if (adapter->ahw->capabilities & BIT_6) {
1313 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1314 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1315 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1316 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1317
1318 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1319 } else {
1320 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1321 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1322 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1323 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1324 }
1325
1326 return err;
1327}
1328
1329void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1330 struct qlcnic_esw_func_cfg *esw_cfg)
1331{
1332 if (esw_cfg->discard_tagged)
1333 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1334 else
1335 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1336
1337 if (esw_cfg->vlan_id) {
1338 adapter->rx_pvid = esw_cfg->vlan_id;
1339 adapter->tx_pvid = esw_cfg->vlan_id;
1340 } else {
1341 adapter->rx_pvid = 0;
1342 adapter->tx_pvid = 0;
1343 }
1344}
1345
1346static int
1347qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1348{
1349 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1350 int err;
1351
1352 if (qlcnic_sriov_vf_check(adapter)) {
1353 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1354 if (err) {
1355 netdev_err(netdev,
1356 "Cannot add VLAN filter for VLAN id %d, err=%d",
1357 vid, err);
1358 return err;
1359 }
1360 }
1361
1362 set_bit(vid, adapter->vlans);
1363 return 0;
1364}
1365
1366static int
1367qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1368{
1369 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1370 int err;
1371
1372 if (qlcnic_sriov_vf_check(adapter)) {
1373 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1374 if (err) {
1375 netdev_err(netdev,
1376 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1377 vid, err);
1378 return err;
1379 }
1380 }
1381
1382 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1383 clear_bit(vid, adapter->vlans);
1384 return 0;
1385}
1386
1387void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1388 struct qlcnic_esw_func_cfg *esw_cfg)
1389{
1390 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1391 QLCNIC_PROMISC_DISABLED);
1392
1393 if (esw_cfg->mac_anti_spoof)
1394 adapter->flags |= QLCNIC_MACSPOOF;
1395
1396 if (!esw_cfg->mac_override)
1397 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1398
1399 if (!esw_cfg->promisc_mode)
1400 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1401}
1402
1403int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1404{
1405 struct qlcnic_esw_func_cfg esw_cfg;
1406
1407 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1408 return 0;
1409
1410 esw_cfg.pci_func = adapter->ahw->pci_func;
1411 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1412 return -EIO;
1413 qlcnic_set_vlan_config(adapter, &esw_cfg);
1414 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1415 qlcnic_set_netdev_features(adapter, &esw_cfg);
1416
1417 return 0;
1418}
1419
1420void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1421 struct qlcnic_esw_func_cfg *esw_cfg)
1422{
1423 struct net_device *netdev = adapter->netdev;
1424
1425 if (qlcnic_83xx_check(adapter))
1426 return;
1427
1428 adapter->offload_flags = esw_cfg->offload_flags;
1429 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1430 netdev_update_features(netdev);
1431 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1432}
1433
1434static int
1435qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1436{
1437 u32 op_mode, priv_level;
1438 int err = 0;
1439
1440 err = qlcnic_initialize_nic(adapter);
1441 if (err)
1442 return err;
1443
1444 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1445 return 0;
1446
1447 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1448 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1449
1450 if (op_mode == QLC_DEV_DRV_DEFAULT)
1451 priv_level = QLCNIC_MGMT_FUNC;
1452 else
1453 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1454
1455 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1456 if (priv_level == QLCNIC_MGMT_FUNC) {
1457 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1458 err = qlcnic_init_pci_info(adapter);
1459 if (err)
1460 return err;
1461 /* Set privilege level for other functions */
1462 qlcnic_set_function_modes(adapter);
1463 dev_info(&adapter->pdev->dev,
1464 "HAL Version: %d, Management function\n",
1465 adapter->ahw->fw_hal_version);
1466 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1467 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1468 dev_info(&adapter->pdev->dev,
1469 "HAL Version: %d, Privileged function\n",
1470 adapter->ahw->fw_hal_version);
1471 }
1472 } else {
1473 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1474 }
1475
1476 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1477
1478 return err;
1479}
1480
1481int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1482{
1483 struct qlcnic_esw_func_cfg esw_cfg;
1484 struct qlcnic_npar_info *npar;
1485 u8 i;
1486
1487 if (adapter->need_fw_reset)
1488 return 0;
1489
1490 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1491 if (!adapter->npars[i].eswitch_status)
1492 continue;
1493
1494 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1495 esw_cfg.pci_func = adapter->npars[i].pci_func;
1496 esw_cfg.mac_override = BIT_0;
1497 esw_cfg.promisc_mode = BIT_0;
1498 if (qlcnic_82xx_check(adapter)) {
1499 esw_cfg.offload_flags = BIT_0;
1500 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1501 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1502 }
1503 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1504 return -EIO;
1505 npar = &adapter->npars[i];
1506 npar->pvid = esw_cfg.vlan_id;
1507 npar->mac_override = esw_cfg.mac_override;
1508 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1509 npar->discard_tagged = esw_cfg.discard_tagged;
1510 npar->promisc_mode = esw_cfg.promisc_mode;
1511 npar->offload_flags = esw_cfg.offload_flags;
1512 }
1513
1514 return 0;
1515}
1516
1517
1518static int
1519qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1520 struct qlcnic_npar_info *npar, int pci_func)
1521{
1522 struct qlcnic_esw_func_cfg esw_cfg;
1523 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1524 esw_cfg.pci_func = pci_func;
1525 esw_cfg.vlan_id = npar->pvid;
1526 esw_cfg.mac_override = npar->mac_override;
1527 esw_cfg.discard_tagged = npar->discard_tagged;
1528 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1529 esw_cfg.offload_flags = npar->offload_flags;
1530 esw_cfg.promisc_mode = npar->promisc_mode;
1531 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1532 return -EIO;
1533
1534 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1535 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1536 return -EIO;
1537
1538 return 0;
1539}
1540
1541int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1542{
1543 int i, err;
1544 struct qlcnic_npar_info *npar;
1545 struct qlcnic_info nic_info;
1546 u8 pci_func;
1547
1548 if (qlcnic_82xx_check(adapter))
1549 if (!adapter->need_fw_reset)
1550 return 0;
1551
1552 /* Set the NPAR config data after FW reset */
1553 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1554 npar = &adapter->npars[i];
1555 pci_func = npar->pci_func;
1556 if (!adapter->npars[i].eswitch_status)
1557 continue;
1558
1559 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1560 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1561 if (err)
1562 return err;
1563 nic_info.min_tx_bw = npar->min_bw;
1564 nic_info.max_tx_bw = npar->max_bw;
1565 err = qlcnic_set_nic_info(adapter, &nic_info);
1566 if (err)
1567 return err;
1568
1569 if (npar->enable_pm) {
1570 err = qlcnic_config_port_mirroring(adapter,
1571 npar->dest_npar, 1,
1572 pci_func);
1573 if (err)
1574 return err;
1575 }
1576 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1577 if (err)
1578 return err;
1579 }
1580 return 0;
1581}
1582
1583static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1584{
1585 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1586 u32 npar_state;
1587
1588 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1589 return 0;
1590
1591 npar_state = QLC_SHARED_REG_RD32(adapter,
1592 QLCNIC_CRB_DEV_NPAR_STATE);
1593 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1594 msleep(1000);
1595 npar_state = QLC_SHARED_REG_RD32(adapter,
1596 QLCNIC_CRB_DEV_NPAR_STATE);
1597 }
1598 if (!npar_opt_timeo) {
1599 dev_err(&adapter->pdev->dev,
1600 "Waiting for NPAR state to operational timeout\n");
1601 return -EIO;
1602 }
1603 return 0;
1604}
1605
1606static int
1607qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1608{
1609 int err;
1610
1611 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1612 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1613 return 0;
1614
1615 err = qlcnic_set_default_offload_settings(adapter);
1616 if (err)
1617 return err;
1618
1619 err = qlcnic_reset_npar_config(adapter);
1620 if (err)
1621 return err;
1622
1623 qlcnic_dev_set_npar_ready(adapter);
1624
1625 return err;
1626}
1627
1628static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1629{
1630 int err;
1631
1632 err = qlcnic_can_start_firmware(adapter);
1633 if (err < 0)
1634 return err;
1635 else if (!err)
1636 goto check_fw_status;
1637
1638 if (qlcnic_load_fw_file)
1639 qlcnic_request_firmware(adapter);
1640 else {
1641 err = qlcnic_check_flash_fw_ver(adapter);
1642 if (err)
1643 goto err_out;
1644
1645 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1646 }
1647
1648 err = qlcnic_need_fw_reset(adapter);
1649 if (err == 0)
1650 goto check_fw_status;
1651
1652 err = qlcnic_pinit_from_rom(adapter);
1653 if (err)
1654 goto err_out;
1655
1656 err = qlcnic_load_firmware(adapter);
1657 if (err)
1658 goto err_out;
1659
1660 qlcnic_release_firmware(adapter);
1661 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1662
1663check_fw_status:
1664 err = qlcnic_check_fw_status(adapter);
1665 if (err)
1666 goto err_out;
1667
1668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1669 qlcnic_idc_debug_info(adapter, 1);
1670 err = qlcnic_check_eswitch_mode(adapter);
1671 if (err) {
1672 dev_err(&adapter->pdev->dev,
1673 "Memory allocation failed for eswitch\n");
1674 goto err_out;
1675 }
1676 err = qlcnic_set_mgmt_operations(adapter);
1677 if (err)
1678 goto err_out;
1679
1680 qlcnic_check_options(adapter);
1681 adapter->need_fw_reset = 0;
1682
1683 qlcnic_release_firmware(adapter);
1684 return 0;
1685
1686err_out:
1687 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1688 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1689
1690 qlcnic_release_firmware(adapter);
1691 return err;
1692}
1693
1694static int
1695qlcnic_request_irq(struct qlcnic_adapter *adapter)
1696{
1697 irq_handler_t handler;
1698 struct qlcnic_host_sds_ring *sds_ring;
1699 struct qlcnic_host_tx_ring *tx_ring;
1700 int err, ring, num_sds_rings;
1701
1702 unsigned long flags = 0;
1703 struct net_device *netdev = adapter->netdev;
1704 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1705
1706 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1707 if (qlcnic_82xx_check(adapter))
1708 handler = qlcnic_tmp_intr;
1709 else
1710 handler = qlcnic_83xx_tmp_intr;
1711 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1712 flags |= IRQF_SHARED;
1713
1714 } else {
1715 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1716 handler = qlcnic_msix_intr;
1717 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1718 handler = qlcnic_msi_intr;
1719 else {
1720 flags |= IRQF_SHARED;
1721 if (qlcnic_82xx_check(adapter))
1722 handler = qlcnic_intr;
1723 else
1724 handler = qlcnic_83xx_intr;
1725 }
1726 }
1727 adapter->irq = netdev->irq;
1728
1729 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1730 if (qlcnic_82xx_check(adapter) ||
1731 (qlcnic_83xx_check(adapter) &&
1732 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1733 num_sds_rings = adapter->drv_sds_rings;
1734 for (ring = 0; ring < num_sds_rings; ring++) {
1735 sds_ring = &recv_ctx->sds_rings[ring];
1736 if (qlcnic_82xx_check(adapter) &&
1737 !qlcnic_check_multi_tx(adapter) &&
1738 (ring == (num_sds_rings - 1))) {
1739 if (!(adapter->flags &
1740 QLCNIC_MSIX_ENABLED))
1741 snprintf(sds_ring->name,
1742 sizeof(sds_ring->name),
1743 "qlcnic");
1744 else
1745 snprintf(sds_ring->name,
1746 sizeof(sds_ring->name),
1747 "%s-tx-0-rx-%d",
1748 netdev->name, ring);
1749 } else {
1750 snprintf(sds_ring->name,
1751 sizeof(sds_ring->name),
1752 "%s-rx-%d",
1753 netdev->name, ring);
1754 }
1755 err = request_irq(sds_ring->irq, handler, flags,
1756 sds_ring->name, sds_ring);
1757 if (err)
1758 return err;
1759 }
1760 }
1761 if ((qlcnic_82xx_check(adapter) &&
1762 qlcnic_check_multi_tx(adapter)) ||
1763 (qlcnic_83xx_check(adapter) &&
1764 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1765 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1766 handler = qlcnic_msix_tx_intr;
1767 for (ring = 0; ring < adapter->drv_tx_rings;
1768 ring++) {
1769 tx_ring = &adapter->tx_ring[ring];
1770 snprintf(tx_ring->name, sizeof(tx_ring->name),
1771 "%s-tx-%d", netdev->name, ring);
1772 err = request_irq(tx_ring->irq, handler, flags,
1773 tx_ring->name, tx_ring);
1774 if (err)
1775 return err;
1776 }
1777 }
1778 }
1779 return 0;
1780}
1781
1782static void
1783qlcnic_free_irq(struct qlcnic_adapter *adapter)
1784{
1785 int ring;
1786 struct qlcnic_host_sds_ring *sds_ring;
1787 struct qlcnic_host_tx_ring *tx_ring;
1788
1789 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1790
1791 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1792 if (qlcnic_82xx_check(adapter) ||
1793 (qlcnic_83xx_check(adapter) &&
1794 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1795 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1796 sds_ring = &recv_ctx->sds_rings[ring];
1797 free_irq(sds_ring->irq, sds_ring);
1798 }
1799 }
1800 if ((qlcnic_83xx_check(adapter) &&
1801 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1802 (qlcnic_82xx_check(adapter) &&
1803 qlcnic_check_multi_tx(adapter))) {
1804 for (ring = 0; ring < adapter->drv_tx_rings;
1805 ring++) {
1806 tx_ring = &adapter->tx_ring[ring];
1807 if (tx_ring->irq)
1808 free_irq(tx_ring->irq, tx_ring);
1809 }
1810 }
1811 }
1812}
1813
1814static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1815{
1816 u32 capab = 0;
1817
1818 if (qlcnic_82xx_check(adapter)) {
1819 if (adapter->ahw->extra_capability[0] &
1820 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1821 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1822 } else {
1823 capab = adapter->ahw->capabilities;
1824 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1825 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1826 }
1827}
1828
1829static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1830{
1831 struct qlcnic_hardware_context *ahw = adapter->ahw;
1832 int err;
1833
1834 /* Initialize interrupt coalesce parameters */
1835 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1836
1837 if (qlcnic_83xx_check(adapter)) {
1838 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1839 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1840 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1841 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1842 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1843
1844 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1845 } else {
1846 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1847 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1848 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1849
1850 err = qlcnic_82xx_set_rx_coalesce(adapter);
1851 }
1852
1853 return err;
1854}
1855
1856int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1857{
1858 int ring;
1859 struct qlcnic_host_rds_ring *rds_ring;
1860
1861 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1862 return -EIO;
1863
1864 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1865 return 0;
1866
1867 if (qlcnic_set_eswitch_port_config(adapter))
1868 return -EIO;
1869
1870 qlcnic_get_lro_mss_capability(adapter);
1871
1872 if (qlcnic_fw_create_ctx(adapter))
1873 return -EIO;
1874
1875 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1876 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1877 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1878 }
1879
1880 qlcnic_set_multi(netdev);
1881 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1882
1883 adapter->ahw->linkup = 0;
1884
1885 if (adapter->drv_sds_rings > 1)
1886 qlcnic_config_rss(adapter, 1);
1887
1888 qlcnic_config_def_intr_coalesce(adapter);
1889
1890 if (netdev->features & NETIF_F_LRO)
1891 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1892
1893 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1894 qlcnic_napi_enable(adapter);
1895
1896 qlcnic_linkevent_request(adapter, 1);
1897
1898 adapter->ahw->reset_context = 0;
1899 netif_tx_start_all_queues(netdev);
1900 return 0;
1901}
1902
1903int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1904{
1905 int err = 0;
1906
1907 rtnl_lock();
1908 if (netif_running(netdev))
1909 err = __qlcnic_up(adapter, netdev);
1910 rtnl_unlock();
1911
1912 return err;
1913}
1914
1915void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1916{
1917 int ring;
1918
1919 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1920 return;
1921
1922 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1923 return;
1924
1925 smp_mb();
1926 netif_carrier_off(netdev);
1927 adapter->ahw->linkup = 0;
1928 netif_tx_disable(netdev);
1929
1930 qlcnic_free_mac_list(adapter);
1931
1932 if (adapter->fhash.fnum)
1933 qlcnic_delete_lb_filters(adapter);
1934
1935 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1936 if (qlcnic_sriov_vf_check(adapter))
1937 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1938
1939 qlcnic_napi_disable(adapter);
1940
1941 qlcnic_fw_destroy_ctx(adapter);
1942 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1943
1944 qlcnic_reset_rx_buffers_list(adapter);
1945
1946 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1947 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1948}
1949
1950/* Usage: During suspend and firmware recovery module */
1951
1952void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1953{
1954 rtnl_lock();
1955 if (netif_running(netdev))
1956 __qlcnic_down(adapter, netdev);
1957 rtnl_unlock();
1958
1959}
1960
1961int
1962qlcnic_attach(struct qlcnic_adapter *adapter)
1963{
1964 struct net_device *netdev = adapter->netdev;
1965 struct pci_dev *pdev = adapter->pdev;
1966 int err;
1967
1968 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1969 return 0;
1970
1971 err = qlcnic_napi_add(adapter, netdev);
1972 if (err)
1973 return err;
1974
1975 err = qlcnic_alloc_sw_resources(adapter);
1976 if (err) {
1977 dev_err(&pdev->dev, "Error in setting sw resources\n");
1978 goto err_out_napi_del;
1979 }
1980
1981 err = qlcnic_alloc_hw_resources(adapter);
1982 if (err) {
1983 dev_err(&pdev->dev, "Error in setting hw resources\n");
1984 goto err_out_free_sw;
1985 }
1986
1987 err = qlcnic_request_irq(adapter);
1988 if (err) {
1989 dev_err(&pdev->dev, "failed to setup interrupt\n");
1990 goto err_out_free_hw;
1991 }
1992
1993 qlcnic_create_sysfs_entries(adapter);
1994
1995 if (qlcnic_encap_rx_offload(adapter))
1996 udp_tunnel_nic_reset_ntf(netdev);
1997
1998 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1999 return 0;
2000
2001err_out_free_hw:
2002 qlcnic_free_hw_resources(adapter);
2003err_out_free_sw:
2004 qlcnic_free_sw_resources(adapter);
2005err_out_napi_del:
2006 qlcnic_napi_del(adapter);
2007 return err;
2008}
2009
2010void qlcnic_detach(struct qlcnic_adapter *adapter)
2011{
2012 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2013 return;
2014
2015 qlcnic_remove_sysfs_entries(adapter);
2016
2017 qlcnic_free_hw_resources(adapter);
2018 qlcnic_release_rx_buffers(adapter);
2019 qlcnic_free_irq(adapter);
2020 qlcnic_napi_del(adapter);
2021 qlcnic_free_sw_resources(adapter);
2022
2023 adapter->is_up = 0;
2024}
2025
2026void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2027{
2028 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2029 struct qlcnic_host_sds_ring *sds_ring;
2030 int drv_tx_rings = adapter->drv_tx_rings;
2031 int ring;
2032
2033 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2034 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2035 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2036 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2037 qlcnic_disable_sds_intr(adapter, sds_ring);
2038 }
2039 }
2040
2041 qlcnic_fw_destroy_ctx(adapter);
2042
2043 qlcnic_detach(adapter);
2044
2045 adapter->ahw->diag_test = 0;
2046 adapter->drv_sds_rings = drv_sds_rings;
2047 adapter->drv_tx_rings = drv_tx_rings;
2048
2049 if (qlcnic_attach(adapter))
2050 goto out;
2051
2052 if (netif_running(netdev))
2053 __qlcnic_up(adapter, netdev);
2054out:
2055 netif_device_attach(netdev);
2056}
2057
2058static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2059{
2060 struct qlcnic_hardware_context *ahw = adapter->ahw;
2061 int err = 0;
2062
2063 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2064 GFP_KERNEL);
2065 if (!adapter->recv_ctx) {
2066 err = -ENOMEM;
2067 goto err_out;
2068 }
2069
2070 if (qlcnic_83xx_check(adapter)) {
2071 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2072 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2073 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2074 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2075 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2076 } else {
2077 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2078 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2079 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2080 }
2081
2082 /* clear stats */
2083 memset(&adapter->stats, 0, sizeof(adapter->stats));
2084err_out:
2085 return err;
2086}
2087
2088static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2089{
2090 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2091
2092 kfree(adapter->recv_ctx);
2093 adapter->recv_ctx = NULL;
2094
2095 if (fw_dump->tmpl_hdr) {
2096 vfree(fw_dump->tmpl_hdr);
2097 fw_dump->tmpl_hdr = NULL;
2098 }
2099
2100 if (fw_dump->dma_buffer) {
2101 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2102 fw_dump->dma_buffer, fw_dump->phys_addr);
2103 fw_dump->dma_buffer = NULL;
2104 }
2105
2106 kfree(adapter->ahw->reset.buff);
2107 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2108}
2109
2110int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2111{
2112 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2113 struct qlcnic_host_sds_ring *sds_ring;
2114 struct qlcnic_host_rds_ring *rds_ring;
2115 int ring;
2116 int ret;
2117
2118 netif_device_detach(netdev);
2119
2120 if (netif_running(netdev))
2121 __qlcnic_down(adapter, netdev);
2122
2123 qlcnic_detach(adapter);
2124
2125 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2126 adapter->ahw->diag_test = test;
2127 adapter->ahw->linkup = 0;
2128
2129 ret = qlcnic_attach(adapter);
2130 if (ret) {
2131 netif_device_attach(netdev);
2132 return ret;
2133 }
2134
2135 ret = qlcnic_fw_create_ctx(adapter);
2136 if (ret) {
2137 qlcnic_detach(adapter);
2138 netif_device_attach(netdev);
2139 return ret;
2140 }
2141
2142 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2143 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2144 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2145 }
2146
2147 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2148 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2149 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2150 qlcnic_enable_sds_intr(adapter, sds_ring);
2151 }
2152 }
2153
2154 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2155 adapter->ahw->loopback_state = 0;
2156 qlcnic_linkevent_request(adapter, 1);
2157 }
2158
2159 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2160
2161 return 0;
2162}
2163
2164/* Reset context in hardware only */
2165static int
2166qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2167{
2168 struct net_device *netdev = adapter->netdev;
2169
2170 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2171 return -EBUSY;
2172
2173 netif_device_detach(netdev);
2174
2175 qlcnic_down(adapter, netdev);
2176
2177 qlcnic_up(adapter, netdev);
2178
2179 netif_device_attach(netdev);
2180
2181 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2182 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2183 return 0;
2184}
2185
2186int
2187qlcnic_reset_context(struct qlcnic_adapter *adapter)
2188{
2189 int err = 0;
2190 struct net_device *netdev = adapter->netdev;
2191
2192 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2193 return -EBUSY;
2194
2195 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2196
2197 netif_device_detach(netdev);
2198
2199 if (netif_running(netdev))
2200 __qlcnic_down(adapter, netdev);
2201
2202 qlcnic_detach(adapter);
2203
2204 if (netif_running(netdev)) {
2205 err = qlcnic_attach(adapter);
2206 if (!err) {
2207 __qlcnic_up(adapter, netdev);
2208 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2209 }
2210 }
2211
2212 netif_device_attach(netdev);
2213 }
2214
2215 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2216 return err;
2217}
2218
2219static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2220{
2221 struct qlcnic_hardware_context *ahw = adapter->ahw;
2222 u16 act_pci_fn = ahw->total_nic_func;
2223 u16 count;
2224
2225 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2226 if (act_pci_fn <= 2)
2227 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2228 act_pci_fn;
2229 else
2230 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2231 act_pci_fn;
2232 ahw->max_uc_count = count;
2233}
2234
2235static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2236 u8 tx_queues, u8 rx_queues)
2237{
2238 struct net_device *netdev = adapter->netdev;
2239 int err = 0;
2240
2241 if (tx_queues) {
2242 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2243 if (err) {
2244 netdev_err(netdev, "failed to set %d Tx queues\n",
2245 tx_queues);
2246 return err;
2247 }
2248 }
2249
2250 if (rx_queues) {
2251 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2252 if (err)
2253 netdev_err(netdev, "failed to set %d Rx queues\n",
2254 rx_queues);
2255 }
2256
2257 return err;
2258}
2259
2260int
2261qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev)
2262{
2263 int err;
2264 struct pci_dev *pdev = adapter->pdev;
2265
2266 adapter->rx_csum = 1;
2267 adapter->ahw->mc_enabled = 0;
2268 qlcnic_set_mac_filter_count(adapter);
2269
2270 netdev->netdev_ops = &qlcnic_netdev_ops;
2271 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2272
2273 qlcnic_change_mtu(netdev, netdev->mtu);
2274
2275 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2276 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2277
2278 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2279 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2280 NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HIGHDMA);
2281 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2282 NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA);
2283
2284 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2285 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2286 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2287 }
2288
2289 if (qlcnic_vlan_tx_check(adapter))
2290 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2291
2292 if (qlcnic_sriov_vf_check(adapter))
2293 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2294
2295 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2296 netdev->features |= NETIF_F_LRO;
2297
2298 if (qlcnic_encap_tx_offload(adapter)) {
2299 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2300
2301 /* encapsulation Tx offload supported by Adapter */
2302 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2303 NETIF_F_GSO_UDP_TUNNEL |
2304 NETIF_F_TSO |
2305 NETIF_F_TSO6;
2306 }
2307
2308 if (qlcnic_encap_rx_offload(adapter)) {
2309 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2310
2311 netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels;
2312 }
2313
2314 netdev->hw_features = netdev->features;
2315 netdev->priv_flags |= IFF_UNICAST_FLT;
2316 netdev->irq = adapter->msix_entries[0].vector;
2317
2318 /* MTU range: 68 - 9600 */
2319 netdev->min_mtu = P3P_MIN_MTU;
2320 netdev->max_mtu = P3P_MAX_MTU;
2321
2322 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2323 adapter->drv_sds_rings);
2324 if (err)
2325 return err;
2326
2327 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2328
2329 err = register_netdev(netdev);
2330 if (err) {
2331 dev_err(&pdev->dev, "failed to register net device\n");
2332 return err;
2333 }
2334
2335 return 0;
2336}
2337
2338void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2339{
2340 int ring;
2341 struct qlcnic_host_tx_ring *tx_ring;
2342
2343 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2344 tx_ring = &adapter->tx_ring[ring];
2345 if (tx_ring) {
2346 vfree(tx_ring->cmd_buf_arr);
2347 tx_ring->cmd_buf_arr = NULL;
2348 }
2349 }
2350 kfree(adapter->tx_ring);
2351}
2352
2353int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2354 struct net_device *netdev)
2355{
2356 int ring, vector, index;
2357 struct qlcnic_host_tx_ring *tx_ring;
2358 struct qlcnic_cmd_buffer *cmd_buf_arr;
2359
2360 tx_ring = kcalloc(adapter->drv_tx_rings,
2361 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2362 if (tx_ring == NULL)
2363 return -ENOMEM;
2364
2365 adapter->tx_ring = tx_ring;
2366
2367 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2368 tx_ring = &adapter->tx_ring[ring];
2369 tx_ring->num_desc = adapter->num_txd;
2370 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2371 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2372 if (cmd_buf_arr == NULL) {
2373 qlcnic_free_tx_rings(adapter);
2374 return -ENOMEM;
2375 }
2376 tx_ring->cmd_buf_arr = cmd_buf_arr;
2377 spin_lock_init(&tx_ring->tx_clean_lock);
2378 }
2379
2380 if (qlcnic_83xx_check(adapter) ||
2381 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2382 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2383 tx_ring = &adapter->tx_ring[ring];
2384 tx_ring->adapter = adapter;
2385 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2386 index = adapter->drv_sds_rings + ring;
2387 vector = adapter->msix_entries[index].vector;
2388 tx_ring->irq = vector;
2389 }
2390 }
2391 }
2392
2393 return 0;
2394}
2395
2396void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2397{
2398 struct qlcnic_hardware_context *ahw = adapter->ahw;
2399 u32 fw_cmd = 0;
2400
2401 if (qlcnic_82xx_check(adapter))
2402 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2403 else if (qlcnic_83xx_check(adapter))
2404 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2405
2406 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2407 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2408}
2409
2410/* Reset firmware API lock */
2411static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2412{
2413 qlcnic_api_lock(adapter);
2414 qlcnic_api_unlock(adapter);
2415}
2416
2417
2418static int
2419qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2420{
2421 struct net_device *netdev = NULL;
2422 struct qlcnic_adapter *adapter = NULL;
2423 struct qlcnic_hardware_context *ahw;
2424 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2425 int err;
2426
2427 err = pci_enable_device(pdev);
2428 if (err)
2429 return err;
2430
2431 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2432 err = -ENODEV;
2433 goto err_out_disable_pdev;
2434 }
2435
2436 err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
2437 if (err) {
2438 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2439 goto err_out_disable_pdev;
2440 }
2441
2442 err = pci_request_regions(pdev, qlcnic_driver_name);
2443 if (err)
2444 goto err_out_disable_pdev;
2445
2446 pci_set_master(pdev);
2447
2448 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2449 if (!ahw) {
2450 err = -ENOMEM;
2451 goto err_out_free_res;
2452 }
2453
2454 switch (ent->device) {
2455 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2456 ahw->hw_ops = &qlcnic_hw_ops;
2457 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2458 break;
2459 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2460 case PCI_DEVICE_ID_QLOGIC_QLE8830:
2461 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2462 qlcnic_83xx_register_map(ahw);
2463 break;
2464 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2465 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
2466 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2467 qlcnic_sriov_vf_register_map(ahw);
2468 break;
2469 default:
2470 err = -EINVAL;
2471 goto err_out_free_hw_res;
2472 }
2473
2474 err = qlcnic_setup_pci_map(pdev, ahw);
2475 if (err)
2476 goto err_out_free_hw_res;
2477
2478 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2479 QLCNIC_MAX_TX_RINGS);
2480 if (!netdev) {
2481 err = -ENOMEM;
2482 goto err_out_iounmap;
2483 }
2484
2485 SET_NETDEV_DEV(netdev, &pdev->dev);
2486
2487 adapter = netdev_priv(netdev);
2488 adapter->netdev = netdev;
2489 adapter->pdev = pdev;
2490 adapter->ahw = ahw;
2491
2492 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2493 if (adapter->qlcnic_wq == NULL) {
2494 err = -ENOMEM;
2495 dev_err(&pdev->dev, "Failed to create workqueue\n");
2496 goto err_out_free_netdev;
2497 }
2498
2499 err = qlcnic_alloc_adapter_resources(adapter);
2500 if (err)
2501 goto err_out_free_wq;
2502
2503 adapter->dev_rst_time = jiffies;
2504 ahw->revision_id = pdev->revision;
2505 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2506 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2507 adapter->fdb_mac_learn = true;
2508 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2509 adapter->drv_mac_learn = true;
2510
2511 rwlock_init(&adapter->ahw->crb_lock);
2512 mutex_init(&adapter->ahw->mem_lock);
2513
2514 INIT_LIST_HEAD(&adapter->mac_list);
2515
2516 qlcnic_register_dcb(adapter);
2517
2518 if (qlcnic_82xx_check(adapter)) {
2519 qlcnic_check_vf(adapter, ent);
2520 adapter->portnum = adapter->ahw->pci_func;
2521 qlcnic_reset_api_lock(adapter);
2522 err = qlcnic_start_firmware(adapter);
2523 if (err) {
2524 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2525 "\t\tIf reboot doesn't help, try flashing the card\n");
2526 goto err_out_maintenance_mode;
2527 }
2528
2529 /* compute and set default and max tx/sds rings */
2530 if (adapter->ahw->msix_supported) {
2531 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2532 qlcnic_set_tx_ring_count(adapter,
2533 QLCNIC_SINGLE_RING);
2534 else
2535 qlcnic_set_tx_ring_count(adapter,
2536 QLCNIC_DEF_TX_RINGS);
2537 qlcnic_set_sds_ring_count(adapter,
2538 QLCNIC_DEF_SDS_RINGS);
2539 } else {
2540 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2541 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2542 }
2543
2544 err = qlcnic_setup_idc_param(adapter);
2545 if (err)
2546 goto err_out_free_hw;
2547
2548 adapter->flags |= QLCNIC_NEED_FLR;
2549
2550 } else if (qlcnic_83xx_check(adapter)) {
2551 qlcnic_83xx_check_vf(adapter, ent);
2552 adapter->portnum = adapter->ahw->pci_func;
2553 err = qlcnic_83xx_init(adapter);
2554 if (err) {
2555 switch (err) {
2556 case -ENOTRECOVERABLE:
2557 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2558 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2559 goto err_out_free_hw;
2560 case -ENOMEM:
2561 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2562 goto err_out_free_hw;
2563 case -EOPNOTSUPP:
2564 dev_err(&pdev->dev, "Adapter initialization failed\n");
2565 goto err_out_free_hw;
2566 default:
2567 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2568 goto err_out_maintenance_mode;
2569 }
2570 }
2571
2572 if (qlcnic_sriov_vf_check(adapter))
2573 return 0;
2574 } else {
2575 dev_err(&pdev->dev,
2576 "%s: failed. Please Reboot\n", __func__);
2577 err = -ENODEV;
2578 goto err_out_free_hw;
2579 }
2580
2581 if (qlcnic_read_mac_addr(adapter))
2582 dev_warn(&pdev->dev, "failed to read mac addr\n");
2583
2584 qlcnic_read_phys_port_id(adapter);
2585
2586 if (adapter->portnum == 0) {
2587 qlcnic_get_board_name(adapter, board_name);
2588
2589 pr_info("%s: %s Board Chip rev 0x%x\n",
2590 module_name(THIS_MODULE),
2591 board_name, adapter->ahw->revision_id);
2592 }
2593
2594 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2595 !!qlcnic_use_msi)
2596 dev_warn(&pdev->dev,
2597 "Device does not support MSI interrupts\n");
2598
2599 if (qlcnic_82xx_check(adapter)) {
2600 err = qlcnic_dcb_enable(adapter->dcb);
2601 if (err) {
2602 qlcnic_dcb_free(adapter->dcb);
2603 dev_err(&pdev->dev, "Failed to enable DCB\n");
2604 goto err_out_free_hw;
2605 }
2606
2607 qlcnic_dcb_get_info(adapter->dcb);
2608 err = qlcnic_setup_intr(adapter);
2609
2610 if (err) {
2611 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2612 goto err_out_disable_msi;
2613 }
2614 }
2615
2616 err = qlcnic_get_act_pci_func(adapter);
2617 if (err)
2618 goto err_out_disable_mbx_intr;
2619
2620 if (adapter->portnum == 0)
2621 qlcnic_set_drv_version(adapter);
2622
2623 err = qlcnic_setup_netdev(adapter, netdev);
2624 if (err)
2625 goto err_out_disable_mbx_intr;
2626
2627 pci_set_drvdata(pdev, adapter);
2628
2629 if (qlcnic_82xx_check(adapter))
2630 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2631 FW_POLL_DELAY);
2632
2633 switch (adapter->ahw->port_type) {
2634 case QLCNIC_GBE:
2635 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2636 adapter->netdev->name);
2637 break;
2638 case QLCNIC_XGBE:
2639 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2640 adapter->netdev->name);
2641 break;
2642 }
2643
2644 if (adapter->drv_mac_learn)
2645 qlcnic_alloc_lb_filters_mem(adapter);
2646
2647 qlcnic_add_sysfs(adapter);
2648 qlcnic_register_hwmon_dev(adapter);
2649 return 0;
2650
2651err_out_disable_mbx_intr:
2652 if (qlcnic_83xx_check(adapter))
2653 qlcnic_83xx_free_mbx_intr(adapter);
2654
2655err_out_disable_msi:
2656 qlcnic_teardown_intr(adapter);
2657 qlcnic_cancel_idc_work(adapter);
2658 qlcnic_clr_all_drv_state(adapter, 0);
2659
2660err_out_free_hw:
2661 qlcnic_free_adapter_resources(adapter);
2662
2663err_out_free_wq:
2664 destroy_workqueue(adapter->qlcnic_wq);
2665
2666err_out_free_netdev:
2667 free_netdev(netdev);
2668
2669err_out_iounmap:
2670 qlcnic_cleanup_pci_map(ahw);
2671
2672err_out_free_hw_res:
2673 kfree(ahw);
2674
2675err_out_free_res:
2676 pci_release_regions(pdev);
2677
2678err_out_disable_pdev:
2679 pci_disable_device(pdev);
2680 return err;
2681
2682err_out_maintenance_mode:
2683 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2684 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2685 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2686 ahw->port_type = QLCNIC_XGBE;
2687
2688 if (qlcnic_83xx_check(adapter))
2689 adapter->tgt_status_reg = NULL;
2690 else
2691 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2692
2693 err = register_netdev(netdev);
2694
2695 if (err) {
2696 dev_err(&pdev->dev, "Failed to register net device\n");
2697 qlcnic_clr_all_drv_state(adapter, 0);
2698 goto err_out_free_hw;
2699 }
2700
2701 pci_set_drvdata(pdev, adapter);
2702 qlcnic_add_sysfs(adapter);
2703
2704 return 0;
2705}
2706
2707static void qlcnic_remove(struct pci_dev *pdev)
2708{
2709 struct qlcnic_adapter *adapter;
2710 struct net_device *netdev;
2711 struct qlcnic_hardware_context *ahw;
2712
2713 adapter = pci_get_drvdata(pdev);
2714 if (adapter == NULL)
2715 return;
2716
2717 netdev = adapter->netdev;
2718
2719 qlcnic_cancel_idc_work(adapter);
2720 qlcnic_sriov_pf_disable(adapter);
2721 ahw = adapter->ahw;
2722
2723 unregister_netdev(netdev);
2724 qlcnic_sriov_cleanup(adapter);
2725
2726 if (qlcnic_83xx_check(adapter)) {
2727 qlcnic_83xx_initialize_nic(adapter, 0);
2728 cancel_delayed_work_sync(&adapter->idc_aen_work);
2729 qlcnic_83xx_free_mbx_intr(adapter);
2730 qlcnic_83xx_detach_mailbox_work(adapter);
2731 qlcnic_83xx_free_mailbox(ahw->mailbox);
2732 kfree(ahw->fw_info);
2733 }
2734
2735 qlcnic_dcb_free(adapter->dcb);
2736 qlcnic_detach(adapter);
2737 kfree(adapter->npars);
2738 kfree(adapter->eswitch);
2739
2740 if (qlcnic_82xx_check(adapter))
2741 qlcnic_clr_all_drv_state(adapter, 0);
2742
2743 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2744
2745 qlcnic_free_lb_filters_mem(adapter);
2746
2747 qlcnic_teardown_intr(adapter);
2748
2749 qlcnic_remove_sysfs(adapter);
2750
2751 qlcnic_unregister_hwmon_dev(adapter);
2752
2753 qlcnic_cleanup_pci_map(adapter->ahw);
2754
2755 qlcnic_release_firmware(adapter);
2756
2757 pci_release_regions(pdev);
2758 pci_disable_device(pdev);
2759
2760 if (adapter->qlcnic_wq) {
2761 destroy_workqueue(adapter->qlcnic_wq);
2762 adapter->qlcnic_wq = NULL;
2763 }
2764
2765 qlcnic_free_adapter_resources(adapter);
2766 kfree(ahw);
2767 free_netdev(netdev);
2768}
2769
2770static void qlcnic_shutdown(struct pci_dev *pdev)
2771{
2772 if (__qlcnic_shutdown(pdev))
2773 return;
2774
2775 pci_disable_device(pdev);
2776}
2777
2778static int __maybe_unused qlcnic_suspend(struct device *dev_d)
2779{
2780 return __qlcnic_shutdown(to_pci_dev(dev_d));
2781}
2782
2783static int __maybe_unused qlcnic_resume(struct device *dev_d)
2784{
2785 struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d);
2786
2787 return __qlcnic_resume(adapter);
2788}
2789
2790static int qlcnic_open(struct net_device *netdev)
2791{
2792 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2793 int err;
2794
2795 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2796 netdev_err(netdev, "%s: Device is in non-operational state\n",
2797 __func__);
2798
2799 return -EIO;
2800 }
2801
2802 netif_carrier_off(netdev);
2803
2804 err = qlcnic_attach(adapter);
2805 if (err)
2806 return err;
2807
2808 err = __qlcnic_up(adapter, netdev);
2809 if (err)
2810 qlcnic_detach(adapter);
2811
2812 return err;
2813}
2814
2815/*
2816 * qlcnic_close - Disables a network interface entry point
2817 */
2818static int qlcnic_close(struct net_device *netdev)
2819{
2820 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2821
2822 __qlcnic_down(adapter, netdev);
2823
2824 return 0;
2825}
2826
2827#define QLCNIC_VF_LB_BUCKET_SIZE 1
2828
2829void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2830{
2831 void *head;
2832 int i;
2833 struct net_device *netdev = adapter->netdev;
2834 u32 filter_size = 0;
2835 u16 act_pci_func = 0;
2836
2837 if (adapter->fhash.fmax && adapter->fhash.fhead)
2838 return;
2839
2840 act_pci_func = adapter->ahw->total_nic_func;
2841 spin_lock_init(&adapter->mac_learn_lock);
2842 spin_lock_init(&adapter->rx_mac_learn_lock);
2843
2844 if (qlcnic_sriov_vf_check(adapter)) {
2845 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2846 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2847 } else if (qlcnic_82xx_check(adapter)) {
2848 filter_size = QLCNIC_LB_MAX_FILTERS;
2849 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2850 } else {
2851 filter_size = QLC_83XX_LB_MAX_FILTERS;
2852 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2853 }
2854
2855 head = kcalloc(adapter->fhash.fbucket_size,
2856 sizeof(struct hlist_head), GFP_ATOMIC);
2857
2858 if (!head)
2859 return;
2860
2861 adapter->fhash.fmax = (filter_size / act_pci_func);
2862 adapter->fhash.fhead = head;
2863
2864 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2865 act_pci_func, adapter->fhash.fmax);
2866
2867 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2868 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2869
2870 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2871
2872 head = kcalloc(adapter->rx_fhash.fbucket_size,
2873 sizeof(struct hlist_head), GFP_ATOMIC);
2874
2875 if (!head)
2876 return;
2877
2878 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2879 adapter->rx_fhash.fhead = head;
2880
2881 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2882 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2883}
2884
2885static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2886{
2887 if (adapter->fhash.fmax)
2888 kfree(adapter->fhash.fhead);
2889
2890 adapter->fhash.fhead = NULL;
2891 adapter->fhash.fmax = 0;
2892
2893 if (adapter->rx_fhash.fmax)
2894 kfree(adapter->rx_fhash.fhead);
2895
2896 adapter->rx_fhash.fmax = 0;
2897 adapter->rx_fhash.fhead = NULL;
2898}
2899
2900int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2901{
2902 struct net_device *netdev = adapter->netdev;
2903 u32 temp_state, temp_val, temp = 0;
2904 int rv = 0;
2905
2906 if (qlcnic_83xx_check(adapter))
2907 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2908
2909 if (qlcnic_82xx_check(adapter))
2910 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2911
2912 temp_state = qlcnic_get_temp_state(temp);
2913 temp_val = qlcnic_get_temp_val(temp);
2914
2915 if (temp_state == QLCNIC_TEMP_PANIC) {
2916 dev_err(&netdev->dev,
2917 "Device temperature %d degrees C exceeds"
2918 " maximum allowed. Hardware has been shut down.\n",
2919 temp_val);
2920 rv = 1;
2921 } else if (temp_state == QLCNIC_TEMP_WARN) {
2922 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2923 dev_err(&netdev->dev,
2924 "Device temperature %d degrees C "
2925 "exceeds operating range."
2926 " Immediate action needed.\n",
2927 temp_val);
2928 }
2929 } else {
2930 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2931 dev_info(&netdev->dev,
2932 "Device temperature is now %d degrees C"
2933 " in normal range.\n", temp_val);
2934 }
2935 }
2936 adapter->ahw->temp = temp_state;
2937 return rv;
2938}
2939
2940static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2941{
2942 int i;
2943
2944 for (i = 0; i < tx_ring->num_desc; i++) {
2945 pr_info("TX Desc: %d\n", i);
2946 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2947 &tx_ring->desc_head[i],
2948 sizeof(struct cmd_desc_type0), true);
2949 }
2950}
2951
2952static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
2953{
2954 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2955 struct net_device *netdev = adapter->netdev;
2956 struct qlcnic_host_rds_ring *rds_ring;
2957 struct qlcnic_host_sds_ring *sds_ring;
2958 struct qlcnic_host_tx_ring *tx_ring;
2959 int ring;
2960
2961 if (!netdev || !netif_running(netdev))
2962 return;
2963
2964 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2965 rds_ring = &recv_ctx->rds_rings[ring];
2966 if (!rds_ring)
2967 continue;
2968 netdev_info(netdev,
2969 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
2970 ring, readl(rds_ring->crb_rcv_producer),
2971 rds_ring->producer, rds_ring->num_desc);
2972 }
2973
2974 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2975 sds_ring = &(recv_ctx->sds_rings[ring]);
2976 if (!sds_ring)
2977 continue;
2978 netdev_info(netdev,
2979 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
2980 ring, readl(sds_ring->crb_sts_consumer),
2981 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
2982 sds_ring->num_desc);
2983 }
2984
2985 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2986 tx_ring = &adapter->tx_ring[ring];
2987 if (!tx_ring)
2988 continue;
2989 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2990 ring, tx_ring->ctx_id);
2991 netdev_info(netdev,
2992 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2993 tx_ring->tx_stats.xmit_finished,
2994 tx_ring->tx_stats.xmit_called,
2995 tx_ring->tx_stats.xmit_on,
2996 tx_ring->tx_stats.xmit_off);
2997
2998 if (tx_ring->crb_intr_mask)
2999 netdev_info(netdev, "crb_intr_mask=%d\n",
3000 readl(tx_ring->crb_intr_mask));
3001
3002 netdev_info(netdev,
3003 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3004 readl(tx_ring->crb_cmd_producer),
3005 tx_ring->producer, tx_ring->sw_consumer,
3006 le32_to_cpu(*(tx_ring->hw_consumer)));
3007
3008 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3009 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3010
3011 if (netif_msg_tx_err(adapter->ahw))
3012 dump_tx_ring_desc(tx_ring);
3013 }
3014
3015}
3016
3017static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue)
3018{
3019 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3020
3021 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3022 return;
3023
3024 qlcnic_dump_rings(adapter);
3025
3026 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3027 netif_msg_tx_err(adapter->ahw)) {
3028 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3029 if (qlcnic_82xx_check(adapter))
3030 adapter->need_fw_reset = 1;
3031 else if (qlcnic_83xx_check(adapter))
3032 qlcnic_83xx_idc_request_reset(adapter,
3033 QLCNIC_FORCE_FW_DUMP_KEY);
3034 } else {
3035 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3036 adapter->ahw->reset_context = 1;
3037 }
3038}
3039
3040static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3041{
3042 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3043 struct net_device_stats *stats = &netdev->stats;
3044
3045 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3046 qlcnic_update_stats(adapter);
3047
3048 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3049 stats->tx_packets = adapter->stats.xmitfinished;
3050 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3051 stats->tx_bytes = adapter->stats.txbytes;
3052 stats->rx_dropped = adapter->stats.rxdropped;
3053 stats->tx_dropped = adapter->stats.txdropped;
3054
3055 return stats;
3056}
3057
3058static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3059{
3060 u32 status;
3061
3062 status = readl(adapter->isr_int_vec);
3063
3064 if (!(status & adapter->ahw->int_vec_bit))
3065 return IRQ_NONE;
3066
3067 /* check interrupt state machine, to be sure */
3068 status = readl(adapter->crb_int_state_reg);
3069 if (!ISR_LEGACY_INT_TRIGGERED(status))
3070 return IRQ_NONE;
3071
3072 writel(0xffffffff, adapter->tgt_status_reg);
3073 /* read twice to ensure write is flushed */
3074 readl(adapter->isr_int_vec);
3075 readl(adapter->isr_int_vec);
3076
3077 return IRQ_HANDLED;
3078}
3079
3080static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3081{
3082 struct qlcnic_host_sds_ring *sds_ring = data;
3083 struct qlcnic_adapter *adapter = sds_ring->adapter;
3084
3085 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3086 goto done;
3087 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3088 writel(0xffffffff, adapter->tgt_status_reg);
3089 goto done;
3090 }
3091
3092 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3093 return IRQ_NONE;
3094
3095done:
3096 adapter->ahw->diag_cnt++;
3097 qlcnic_enable_sds_intr(adapter, sds_ring);
3098 return IRQ_HANDLED;
3099}
3100
3101static irqreturn_t qlcnic_intr(int irq, void *data)
3102{
3103 struct qlcnic_host_sds_ring *sds_ring = data;
3104 struct qlcnic_adapter *adapter = sds_ring->adapter;
3105
3106 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3107 return IRQ_NONE;
3108
3109 napi_schedule(&sds_ring->napi);
3110
3111 return IRQ_HANDLED;
3112}
3113
3114static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3115{
3116 struct qlcnic_host_sds_ring *sds_ring = data;
3117 struct qlcnic_adapter *adapter = sds_ring->adapter;
3118
3119 /* clear interrupt */
3120 writel(0xffffffff, adapter->tgt_status_reg);
3121
3122 napi_schedule(&sds_ring->napi);
3123 return IRQ_HANDLED;
3124}
3125
3126static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3127{
3128 struct qlcnic_host_sds_ring *sds_ring = data;
3129
3130 napi_schedule(&sds_ring->napi);
3131 return IRQ_HANDLED;
3132}
3133
3134static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3135{
3136 struct qlcnic_host_tx_ring *tx_ring = data;
3137
3138 napi_schedule(&tx_ring->napi);
3139 return IRQ_HANDLED;
3140}
3141
3142static void
3143qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3144{
3145 u32 val;
3146
3147 val = adapter->portnum & 0xf;
3148 val |= encoding << 7;
3149 val |= (jiffies - adapter->dev_rst_time) << 8;
3150
3151 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3152 adapter->dev_rst_time = jiffies;
3153}
3154
3155static int
3156qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3157{
3158 u32 val;
3159
3160 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3161 state != QLCNIC_DEV_NEED_QUISCENT);
3162
3163 if (qlcnic_api_lock(adapter))
3164 return -EIO;
3165
3166 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3167
3168 if (state == QLCNIC_DEV_NEED_RESET)
3169 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3170 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3171 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3172
3173 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3174
3175 qlcnic_api_unlock(adapter);
3176
3177 return 0;
3178}
3179
3180static int
3181qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3182{
3183 u32 val;
3184
3185 if (qlcnic_api_lock(adapter))
3186 return -EBUSY;
3187
3188 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3189 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3190 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3191
3192 qlcnic_api_unlock(adapter);
3193
3194 return 0;
3195}
3196
3197void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3198{
3199 u32 val;
3200
3201 if (qlcnic_api_lock(adapter))
3202 goto err;
3203
3204 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3205 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3207
3208 if (failed) {
3209 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3210 QLCNIC_DEV_FAILED);
3211 dev_info(&adapter->pdev->dev,
3212 "Device state set to Failed. Please Reboot\n");
3213 } else if (!(val & 0x11111111))
3214 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3215 QLCNIC_DEV_COLD);
3216
3217 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3218 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3219 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3220
3221 qlcnic_api_unlock(adapter);
3222err:
3223 adapter->fw_fail_cnt = 0;
3224 adapter->flags &= ~QLCNIC_FW_HANG;
3225 clear_bit(__QLCNIC_START_FW, &adapter->state);
3226 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3227}
3228
3229/* Grab api lock, before checking state */
3230static int
3231qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3232{
3233 int act, state, active_mask;
3234 struct qlcnic_hardware_context *ahw = adapter->ahw;
3235
3236 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3237 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3238
3239 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3240 active_mask = (~(1 << (ahw->pci_func * 4)));
3241 act = act & active_mask;
3242 }
3243
3244 if (((state & 0x11111111) == (act & 0x11111111)) ||
3245 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3246 return 0;
3247 else
3248 return 1;
3249}
3250
3251static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3252{
3253 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3254
3255 if (val != QLCNIC_DRV_IDC_VER) {
3256 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3257 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3258 }
3259
3260 return 0;
3261}
3262
3263static int
3264qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3265{
3266 u32 val, prev_state;
3267 u8 dev_init_timeo = adapter->dev_init_timeo;
3268 u8 portnum = adapter->portnum;
3269 u8 ret;
3270
3271 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3272 return 1;
3273
3274 if (qlcnic_api_lock(adapter))
3275 return -1;
3276
3277 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3278 if (!(val & (1 << (portnum * 4)))) {
3279 QLC_DEV_SET_REF_CNT(val, portnum);
3280 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3281 }
3282
3283 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3284 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3285
3286 switch (prev_state) {
3287 case QLCNIC_DEV_COLD:
3288 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3289 QLCNIC_DEV_INITIALIZING);
3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3291 QLCNIC_DRV_IDC_VER);
3292 qlcnic_idc_debug_info(adapter, 0);
3293 qlcnic_api_unlock(adapter);
3294 return 1;
3295
3296 case QLCNIC_DEV_READY:
3297 ret = qlcnic_check_idc_ver(adapter);
3298 qlcnic_api_unlock(adapter);
3299 return ret;
3300
3301 case QLCNIC_DEV_NEED_RESET:
3302 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3303 QLC_DEV_SET_RST_RDY(val, portnum);
3304 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3305 break;
3306
3307 case QLCNIC_DEV_NEED_QUISCENT:
3308 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3309 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3310 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3311 break;
3312
3313 case QLCNIC_DEV_FAILED:
3314 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3315 qlcnic_api_unlock(adapter);
3316 return -1;
3317
3318 case QLCNIC_DEV_INITIALIZING:
3319 case QLCNIC_DEV_QUISCENT:
3320 break;
3321 }
3322
3323 qlcnic_api_unlock(adapter);
3324
3325 do {
3326 msleep(1000);
3327 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3328 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3329
3330 if (!dev_init_timeo) {
3331 dev_err(&adapter->pdev->dev,
3332 "Waiting for device to initialize timeout\n");
3333 return -1;
3334 }
3335
3336 if (qlcnic_api_lock(adapter))
3337 return -1;
3338
3339 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3340 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3341 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3342
3343 ret = qlcnic_check_idc_ver(adapter);
3344 qlcnic_api_unlock(adapter);
3345
3346 return ret;
3347}
3348
3349static void
3350qlcnic_fwinit_work(struct work_struct *work)
3351{
3352 struct qlcnic_adapter *adapter = container_of(work,
3353 struct qlcnic_adapter, fw_work.work);
3354 u32 dev_state = 0xf;
3355 u32 val;
3356
3357 if (qlcnic_api_lock(adapter))
3358 goto err_ret;
3359
3360 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3361 if (dev_state == QLCNIC_DEV_QUISCENT ||
3362 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3363 qlcnic_api_unlock(adapter);
3364 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3365 FW_POLL_DELAY * 2);
3366 return;
3367 }
3368
3369 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3370 qlcnic_api_unlock(adapter);
3371 goto wait_npar;
3372 }
3373
3374 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3375 dev_state == QLCNIC_DEV_READY) {
3376 dev_info(&adapter->pdev->dev, "Detected state change from "
3377 "DEV_NEED_RESET, skipping ack check\n");
3378 goto skip_ack_check;
3379 }
3380
3381 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3382 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3383 adapter->reset_ack_timeo);
3384 goto skip_ack_check;
3385 }
3386
3387 if (!qlcnic_check_drv_state(adapter)) {
3388skip_ack_check:
3389 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3390
3391 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3392 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3393 QLCNIC_DEV_INITIALIZING);
3394 set_bit(__QLCNIC_START_FW, &adapter->state);
3395 QLCDB(adapter, DRV, "Restarting fw\n");
3396 qlcnic_idc_debug_info(adapter, 0);
3397 val = QLC_SHARED_REG_RD32(adapter,
3398 QLCNIC_CRB_DRV_STATE);
3399 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3400 QLC_SHARED_REG_WR32(adapter,
3401 QLCNIC_CRB_DRV_STATE, val);
3402 }
3403
3404 qlcnic_api_unlock(adapter);
3405
3406 rtnl_lock();
3407 if (qlcnic_check_fw_dump_state(adapter) &&
3408 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3409 QLCDB(adapter, DRV, "Take FW dump\n");
3410 qlcnic_dump_fw(adapter);
3411 adapter->flags |= QLCNIC_FW_HANG;
3412 }
3413 rtnl_unlock();
3414
3415 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3416 if (!adapter->nic_ops->start_firmware(adapter)) {
3417 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3418 adapter->fw_wait_cnt = 0;
3419 return;
3420 }
3421 goto err_ret;
3422 }
3423
3424 qlcnic_api_unlock(adapter);
3425
3426wait_npar:
3427 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3428 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3429
3430 switch (dev_state) {
3431 case QLCNIC_DEV_READY:
3432 if (!qlcnic_start_firmware(adapter)) {
3433 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3434 adapter->fw_wait_cnt = 0;
3435 return;
3436 }
3437 break;
3438 case QLCNIC_DEV_FAILED:
3439 break;
3440 default:
3441 qlcnic_schedule_work(adapter,
3442 qlcnic_fwinit_work, FW_POLL_DELAY);
3443 return;
3444 }
3445
3446err_ret:
3447 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3448 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3449 netif_device_attach(adapter->netdev);
3450 qlcnic_clr_all_drv_state(adapter, 0);
3451}
3452
3453static void
3454qlcnic_detach_work(struct work_struct *work)
3455{
3456 struct qlcnic_adapter *adapter = container_of(work,
3457 struct qlcnic_adapter, fw_work.work);
3458 struct net_device *netdev = adapter->netdev;
3459 u32 status;
3460
3461 netif_device_detach(netdev);
3462
3463 /* Dont grab rtnl lock during Quiscent mode */
3464 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3465 if (netif_running(netdev))
3466 __qlcnic_down(adapter, netdev);
3467 } else
3468 qlcnic_down(adapter, netdev);
3469
3470 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3471
3472 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3473 dev_err(&adapter->pdev->dev,
3474 "Detaching the device: peg halt status1=0x%x\n",
3475 status);
3476
3477 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3478 dev_err(&adapter->pdev->dev,
3479 "On board active cooling fan failed. "
3480 "Device has been halted.\n");
3481 dev_err(&adapter->pdev->dev,
3482 "Replace the adapter.\n");
3483 }
3484
3485 goto err_ret;
3486 }
3487
3488 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3489 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3490 adapter->ahw->temp);
3491 goto err_ret;
3492 }
3493
3494 /* Dont ack if this instance is the reset owner */
3495 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3496 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3497 dev_err(&adapter->pdev->dev,
3498 "Failed to set driver state,"
3499 "detaching the device.\n");
3500 goto err_ret;
3501 }
3502 }
3503
3504 adapter->fw_wait_cnt = 0;
3505
3506 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3507
3508 return;
3509
3510err_ret:
3511 netif_device_attach(netdev);
3512 qlcnic_clr_all_drv_state(adapter, 1);
3513}
3514
3515/*Transit NPAR state to NON Operational */
3516static void
3517qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3518{
3519 u32 state;
3520
3521 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3522 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3523 return;
3524
3525 if (qlcnic_api_lock(adapter))
3526 return;
3527 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3528 QLCNIC_DEV_NPAR_NON_OPER);
3529 qlcnic_api_unlock(adapter);
3530}
3531
3532static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3533 u32 key)
3534{
3535 u32 state, xg_val = 0, gb_val = 0;
3536
3537 qlcnic_xg_set_xg0_mask(xg_val);
3538 qlcnic_xg_set_xg1_mask(xg_val);
3539 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3540 qlcnic_gb_set_gb0_mask(gb_val);
3541 qlcnic_gb_set_gb1_mask(gb_val);
3542 qlcnic_gb_set_gb2_mask(gb_val);
3543 qlcnic_gb_set_gb3_mask(gb_val);
3544 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3545 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3546 " on all ports\n");
3547 adapter->need_fw_reset = 1;
3548
3549 if (qlcnic_api_lock(adapter))
3550 return;
3551
3552 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3553
3554 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3555 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3556 __func__);
3557 qlcnic_api_unlock(adapter);
3558
3559 return;
3560 }
3561
3562 if (state == QLCNIC_DEV_READY) {
3563 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3564 QLCNIC_DEV_NEED_RESET);
3565 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3566 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3567 qlcnic_idc_debug_info(adapter, 0);
3568 }
3569
3570 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3571 QLCNIC_DEV_NPAR_NON_OPER);
3572 qlcnic_api_unlock(adapter);
3573}
3574
3575/* Transit to NPAR READY state from NPAR NOT READY state */
3576static void
3577qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3578{
3579 if (qlcnic_api_lock(adapter))
3580 return;
3581
3582 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3583 QLCNIC_DEV_NPAR_OPER);
3584 QLCDB(adapter, DRV, "NPAR operational state set\n");
3585
3586 qlcnic_api_unlock(adapter);
3587}
3588
3589void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3590 work_func_t func, int delay)
3591{
3592 if (test_bit(__QLCNIC_AER, &adapter->state))
3593 return;
3594
3595 INIT_DELAYED_WORK(&adapter->fw_work, func);
3596 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3597 round_jiffies_relative(delay));
3598}
3599
3600static void
3601qlcnic_attach_work(struct work_struct *work)
3602{
3603 struct qlcnic_adapter *adapter = container_of(work,
3604 struct qlcnic_adapter, fw_work.work);
3605 struct net_device *netdev = adapter->netdev;
3606 u32 npar_state;
3607
3608 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3609 npar_state = QLC_SHARED_REG_RD32(adapter,
3610 QLCNIC_CRB_DEV_NPAR_STATE);
3611 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3612 qlcnic_clr_all_drv_state(adapter, 0);
3613 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3614 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3615 FW_POLL_DELAY);
3616 else
3617 goto attach;
3618 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3619 return;
3620 }
3621attach:
3622 qlcnic_dcb_get_info(adapter->dcb);
3623
3624 if (netif_running(netdev)) {
3625 if (qlcnic_up(adapter, netdev))
3626 goto done;
3627
3628 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3629 }
3630
3631done:
3632 netif_device_attach(netdev);
3633 adapter->fw_fail_cnt = 0;
3634 adapter->flags &= ~QLCNIC_FW_HANG;
3635 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3636 if (adapter->portnum == 0)
3637 qlcnic_set_drv_version(adapter);
3638
3639 if (!qlcnic_clr_drv_state(adapter))
3640 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3641 FW_POLL_DELAY);
3642}
3643
3644static int
3645qlcnic_check_health(struct qlcnic_adapter *adapter)
3646{
3647 struct qlcnic_hardware_context *ahw = adapter->ahw;
3648 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3649 u32 state = 0, heartbeat;
3650 u32 peg_status;
3651 int err = 0;
3652
3653 if (qlcnic_check_temp(adapter))
3654 goto detach;
3655
3656 if (adapter->need_fw_reset)
3657 qlcnic_dev_request_reset(adapter, 0);
3658
3659 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3660 if (state == QLCNIC_DEV_NEED_RESET) {
3661 qlcnic_set_npar_non_operational(adapter);
3662 adapter->need_fw_reset = 1;
3663 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3664 goto detach;
3665
3666 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3667 if (heartbeat != adapter->heartbeat) {
3668 adapter->heartbeat = heartbeat;
3669 adapter->fw_fail_cnt = 0;
3670 if (adapter->need_fw_reset)
3671 goto detach;
3672
3673 if (ahw->reset_context && qlcnic_auto_fw_reset)
3674 qlcnic_reset_hw_context(adapter);
3675
3676 return 0;
3677 }
3678
3679 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3680 return 0;
3681
3682 adapter->flags |= QLCNIC_FW_HANG;
3683
3684 qlcnic_dev_request_reset(adapter, 0);
3685
3686 if (qlcnic_auto_fw_reset)
3687 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3688
3689 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3690 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3691 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3692 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3693 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3694 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3695 "PEG_NET_4_PC: 0x%x\n",
3696 peg_status,
3697 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3698 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3699 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3700 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3701 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3702 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3703 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3704 dev_err(&adapter->pdev->dev,
3705 "Firmware aborted with error code 0x00006700. "
3706 "Device is being reset.\n");
3707detach:
3708 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3709 QLCNIC_DEV_NEED_RESET;
3710
3711 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3712 &adapter->state)) {
3713
3714 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3715 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3716 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3717 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3718 qlcnic_dump_fw(adapter);
3719 }
3720
3721 return 1;
3722}
3723
3724void qlcnic_fw_poll_work(struct work_struct *work)
3725{
3726 struct qlcnic_adapter *adapter = container_of(work,
3727 struct qlcnic_adapter, fw_work.work);
3728
3729 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3730 goto reschedule;
3731
3732
3733 if (qlcnic_check_health(adapter))
3734 return;
3735
3736 if (adapter->fhash.fnum)
3737 qlcnic_prune_lb_filters(adapter);
3738
3739reschedule:
3740 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3741}
3742
3743static int qlcnic_is_first_func(struct pci_dev *pdev)
3744{
3745 struct pci_dev *oth_pdev;
3746 int val = pdev->devfn;
3747
3748 while (val-- > 0) {
3749 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3750 (pdev->bus), pdev->bus->number,
3751 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3752 if (!oth_pdev)
3753 continue;
3754
3755 if (oth_pdev->current_state != PCI_D3cold) {
3756 pci_dev_put(oth_pdev);
3757 return 0;
3758 }
3759 pci_dev_put(oth_pdev);
3760 }
3761 return 1;
3762}
3763
3764static int qlcnic_attach_func(struct pci_dev *pdev)
3765{
3766 int err, first_func;
3767 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3768 struct net_device *netdev = adapter->netdev;
3769
3770 pdev->error_state = pci_channel_io_normal;
3771
3772 err = pci_enable_device(pdev);
3773 if (err)
3774 return err;
3775
3776 pci_set_master(pdev);
3777 pci_restore_state(pdev);
3778
3779 first_func = qlcnic_is_first_func(pdev);
3780
3781 if (qlcnic_api_lock(adapter))
3782 return -EINVAL;
3783
3784 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3785 adapter->need_fw_reset = 1;
3786 set_bit(__QLCNIC_START_FW, &adapter->state);
3787 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3788 QLCNIC_DEV_INITIALIZING);
3789 QLCDB(adapter, DRV, "Restarting fw\n");
3790 }
3791 qlcnic_api_unlock(adapter);
3792
3793 err = qlcnic_start_firmware(adapter);
3794 if (err)
3795 return err;
3796
3797 qlcnic_clr_drv_state(adapter);
3798 kfree(adapter->msix_entries);
3799 adapter->msix_entries = NULL;
3800 err = qlcnic_setup_intr(adapter);
3801
3802 if (err) {
3803 kfree(adapter->msix_entries);
3804 netdev_err(netdev, "failed to setup interrupt\n");
3805 return err;
3806 }
3807
3808 if (netif_running(netdev)) {
3809 err = qlcnic_attach(adapter);
3810 if (err) {
3811 qlcnic_clr_all_drv_state(adapter, 1);
3812 clear_bit(__QLCNIC_AER, &adapter->state);
3813 netif_device_attach(netdev);
3814 return err;
3815 }
3816
3817 err = qlcnic_up(adapter, netdev);
3818 if (err)
3819 goto done;
3820
3821 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3822 }
3823 done:
3824 netif_device_attach(netdev);
3825 return err;
3826}
3827
3828static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3829 pci_channel_state_t state)
3830{
3831 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3832 struct net_device *netdev = adapter->netdev;
3833
3834 if (state == pci_channel_io_perm_failure)
3835 return PCI_ERS_RESULT_DISCONNECT;
3836
3837 if (state == pci_channel_io_normal)
3838 return PCI_ERS_RESULT_RECOVERED;
3839
3840 set_bit(__QLCNIC_AER, &adapter->state);
3841 netif_device_detach(netdev);
3842
3843 cancel_delayed_work_sync(&adapter->fw_work);
3844
3845 if (netif_running(netdev))
3846 qlcnic_down(adapter, netdev);
3847
3848 qlcnic_detach(adapter);
3849 qlcnic_teardown_intr(adapter);
3850
3851 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3852
3853 pci_save_state(pdev);
3854 pci_disable_device(pdev);
3855
3856 return PCI_ERS_RESULT_NEED_RESET;
3857}
3858
3859static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3860{
3861 pci_ers_result_t res;
3862
3863 rtnl_lock();
3864 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3865 PCI_ERS_RESULT_RECOVERED;
3866 rtnl_unlock();
3867
3868 return res;
3869}
3870
3871static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3872{
3873 u32 state;
3874 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3875
3876 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3877 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3878 &adapter->state))
3879 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3880 FW_POLL_DELAY);
3881}
3882
3883static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3884 pci_channel_state_t state)
3885{
3886 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3887 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3888
3889 if (hw_ops->io_error_detected) {
3890 return hw_ops->io_error_detected(pdev, state);
3891 } else {
3892 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3893 return PCI_ERS_RESULT_DISCONNECT;
3894 }
3895}
3896
3897static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3898{
3899 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3900 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3901
3902 if (hw_ops->io_slot_reset) {
3903 return hw_ops->io_slot_reset(pdev);
3904 } else {
3905 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3906 return PCI_ERS_RESULT_DISCONNECT;
3907 }
3908}
3909
3910static void qlcnic_io_resume(struct pci_dev *pdev)
3911{
3912 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3913 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3914
3915 if (hw_ops->io_resume)
3916 hw_ops->io_resume(pdev);
3917 else
3918 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3919}
3920
3921
3922static int
3923qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3924{
3925 int err;
3926
3927 err = qlcnic_can_start_firmware(adapter);
3928 if (err)
3929 return err;
3930
3931 err = qlcnic_check_npar_opertional(adapter);
3932 if (err)
3933 return err;
3934
3935 err = qlcnic_initialize_nic(adapter);
3936 if (err)
3937 return err;
3938
3939 qlcnic_check_options(adapter);
3940
3941 err = qlcnic_set_eswitch_port_config(adapter);
3942 if (err)
3943 return err;
3944
3945 adapter->need_fw_reset = 0;
3946
3947 return err;
3948}
3949
3950int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3951 int queue_type)
3952{
3953 struct net_device *netdev = adapter->netdev;
3954 char buf[8];
3955
3956 if (queue_type == QLCNIC_RX_QUEUE)
3957 strcpy(buf, "SDS");
3958 else
3959 strcpy(buf, "Tx");
3960
3961 if (!is_power_of_2(ring_cnt)) {
3962 netdev_err(netdev, "%s rings value should be a power of 2\n",
3963 buf);
3964 return -EINVAL;
3965 }
3966
3967 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3968 !qlcnic_check_multi_tx(adapter)) {
3969 netdev_err(netdev, "No Multi Tx queue support\n");
3970 return -EINVAL;
3971 }
3972
3973 if (ring_cnt > num_online_cpus()) {
3974 netdev_err(netdev,
3975 "%s value[%u] should not be higher than, number of online CPUs\n",
3976 buf, num_online_cpus());
3977 return -EINVAL;
3978 }
3979
3980 return 0;
3981}
3982
3983int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
3984{
3985 struct net_device *netdev = adapter->netdev;
3986 u8 tx_rings, rx_rings;
3987 int err;
3988
3989 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3990 return -EBUSY;
3991
3992 tx_rings = adapter->drv_tss_rings;
3993 rx_rings = adapter->drv_rss_rings;
3994
3995 netif_device_detach(netdev);
3996
3997 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
3998 if (err)
3999 goto done;
4000
4001 if (netif_running(netdev))
4002 __qlcnic_down(adapter, netdev);
4003
4004 qlcnic_detach(adapter);
4005
4006 if (qlcnic_83xx_check(adapter)) {
4007 qlcnic_83xx_free_mbx_intr(adapter);
4008 qlcnic_83xx_enable_mbx_poll(adapter);
4009 }
4010
4011 qlcnic_teardown_intr(adapter);
4012
4013 err = qlcnic_setup_intr(adapter);
4014 if (err) {
4015 kfree(adapter->msix_entries);
4016 netdev_err(netdev, "failed to setup interrupt\n");
4017 return err;
4018 }
4019
4020 /* Check if we need to update real_num_{tx|rx}_queues because
4021 * qlcnic_setup_intr() may change Tx/Rx rings size
4022 */
4023 if ((tx_rings != adapter->drv_tx_rings) ||
4024 (rx_rings != adapter->drv_sds_rings)) {
4025 err = qlcnic_set_real_num_queues(adapter,
4026 adapter->drv_tx_rings,
4027 adapter->drv_sds_rings);
4028 if (err)
4029 goto done;
4030 }
4031
4032 if (qlcnic_83xx_check(adapter)) {
4033 qlcnic_83xx_initialize_nic(adapter, 1);
4034 err = qlcnic_83xx_setup_mbx_intr(adapter);
4035 qlcnic_83xx_disable_mbx_poll(adapter);
4036 if (err) {
4037 dev_err(&adapter->pdev->dev,
4038 "failed to setup mbx interrupt\n");
4039 goto done;
4040 }
4041 }
4042
4043 if (netif_running(netdev)) {
4044 err = qlcnic_attach(adapter);
4045 if (err)
4046 goto done;
4047 err = __qlcnic_up(adapter, netdev);
4048 if (err)
4049 goto done;
4050 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4051 }
4052done:
4053 netif_device_attach(netdev);
4054 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4055 return err;
4056}
4057
4058#ifdef CONFIG_INET
4059
4060#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4061
4062static void
4063qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4064 struct net_device *dev, unsigned long event)
4065{
4066 const struct in_ifaddr *ifa;
4067 struct in_device *indev;
4068
4069 indev = in_dev_get(dev);
4070 if (!indev)
4071 return;
4072
4073 in_dev_for_each_ifa_rtnl(ifa, indev) {
4074 switch (event) {
4075 case NETDEV_UP:
4076 qlcnic_config_ipaddr(adapter,
4077 ifa->ifa_address, QLCNIC_IP_UP);
4078 break;
4079 case NETDEV_DOWN:
4080 qlcnic_config_ipaddr(adapter,
4081 ifa->ifa_address, QLCNIC_IP_DOWN);
4082 break;
4083 default:
4084 break;
4085 }
4086 }
4087
4088 in_dev_put(indev);
4089}
4090
4091void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4092{
4093 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4094 struct net_device *dev;
4095 u16 vid;
4096
4097 qlcnic_config_indev_addr(adapter, netdev, event);
4098
4099 rcu_read_lock();
4100 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4101 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4102 if (!dev)
4103 continue;
4104 qlcnic_config_indev_addr(adapter, dev, event);
4105 }
4106 rcu_read_unlock();
4107}
4108
4109static int qlcnic_netdev_event(struct notifier_block *this,
4110 unsigned long event, void *ptr)
4111{
4112 struct qlcnic_adapter *adapter;
4113 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4114
4115recheck:
4116 if (dev == NULL)
4117 goto done;
4118
4119 if (is_vlan_dev(dev)) {
4120 dev = vlan_dev_real_dev(dev);
4121 goto recheck;
4122 }
4123
4124 if (!is_qlcnic_netdev(dev))
4125 goto done;
4126
4127 adapter = netdev_priv(dev);
4128
4129 if (!adapter)
4130 goto done;
4131
4132 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4133 goto done;
4134
4135 qlcnic_config_indev_addr(adapter, dev, event);
4136done:
4137 return NOTIFY_DONE;
4138}
4139
4140static int
4141qlcnic_inetaddr_event(struct notifier_block *this,
4142 unsigned long event, void *ptr)
4143{
4144 struct qlcnic_adapter *adapter;
4145 struct net_device *dev;
4146
4147 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4148
4149 dev = ifa->ifa_dev->dev;
4150
4151recheck:
4152 if (dev == NULL)
4153 goto done;
4154
4155 if (is_vlan_dev(dev)) {
4156 dev = vlan_dev_real_dev(dev);
4157 goto recheck;
4158 }
4159
4160 if (!is_qlcnic_netdev(dev))
4161 goto done;
4162
4163 adapter = netdev_priv(dev);
4164
4165 if (!adapter)
4166 goto done;
4167
4168 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4169 goto done;
4170
4171 switch (event) {
4172 case NETDEV_UP:
4173 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4174
4175 break;
4176 case NETDEV_DOWN:
4177 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4178
4179 break;
4180 default:
4181 break;
4182 }
4183
4184done:
4185 return NOTIFY_DONE;
4186}
4187
4188static struct notifier_block qlcnic_netdev_cb = {
4189 .notifier_call = qlcnic_netdev_event,
4190};
4191
4192static struct notifier_block qlcnic_inetaddr_cb = {
4193 .notifier_call = qlcnic_inetaddr_event,
4194};
4195#else
4196void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4197{ }
4198#endif
4199static const struct pci_error_handlers qlcnic_err_handler = {
4200 .error_detected = qlcnic_io_error_detected,
4201 .slot_reset = qlcnic_io_slot_reset,
4202 .resume = qlcnic_io_resume,
4203};
4204
4205static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume);
4206
4207static struct pci_driver qlcnic_driver = {
4208 .name = qlcnic_driver_name,
4209 .id_table = qlcnic_pci_tbl,
4210 .probe = qlcnic_probe,
4211 .remove = qlcnic_remove,
4212 .driver.pm = &qlcnic_pm_ops,
4213 .shutdown = qlcnic_shutdown,
4214 .err_handler = &qlcnic_err_handler,
4215#ifdef CONFIG_QLCNIC_SRIOV
4216 .sriov_configure = qlcnic_pci_sriov_configure,
4217#endif
4218
4219};
4220
4221static int __init qlcnic_init_module(void)
4222{
4223 int ret;
4224
4225 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4226
4227#ifdef CONFIG_INET
4228 register_netdevice_notifier(&qlcnic_netdev_cb);
4229 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4230#endif
4231
4232 ret = pci_register_driver(&qlcnic_driver);
4233 if (ret) {
4234#ifdef CONFIG_INET
4235 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4236 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4237#endif
4238 }
4239
4240 return ret;
4241}
4242
4243module_init(qlcnic_init_module);
4244
4245static void __exit qlcnic_exit_module(void)
4246{
4247 pci_unregister_driver(&qlcnic_driver);
4248
4249#ifdef CONFIG_INET
4250 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4251 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4252#endif
4253}
4254
4255module_exit(qlcnic_exit_module);
Linux 6.x block layer and io_uring tree(s)