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netxen: Use pci_enable_msix_range() instead of pci_enable_msix()
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
9fd13331 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
9fd13331 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
9fd13331 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
9fd13331 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
1dd06ae8 55static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 56static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 57static int qlcnic_open(struct net_device *netdev);
58static int qlcnic_close(struct net_device *netdev);
af19b491 59static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 60static void qlcnic_attach_work(struct work_struct *work);
61static void qlcnic_fwinit_work(struct work_struct *work);
af19b491
AKS		 62#ifdef CONFIG_NET_POLL_CONTROLLER
63static void qlcnic_poll_controller(struct net_device *netdev);
64#endif
65
6df900e9 66static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
af19b491
AKS		 67static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
68
7eb9855d 69static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 70static irqreturn_t qlcnic_intr(int irq, void *data);
71static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 73static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 74
75static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 76static int qlcnic_start_firmware(struct qlcnic_adapter *);
77
b5e5492c 78static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 79static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 80static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 81static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 83
21041400 84static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
85static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
86static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
87static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
88static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
89static void qlcnic_82xx_io_resume(struct pci_dev *);
90static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
91static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
92 pci_channel_state_t);
93
13159183
SC		 94static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
95{
96 struct qlcnic_hardware_context *ahw = adapter->ahw;
97
98 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
99 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
100 else
101 return 1;
102}
103
af19b491
AKS		 104/* PCI Device ID Table */
105#define ENTRY(device) \
106 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
107 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
108
6a902881 109static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 112 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
15ca140f
MC		 113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
af19b491
AKS		 115 {0,}
116};
117
118MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
119
120
5ad6ff9d 121inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 122{
123 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 124}
125
126static const u32 msi_tgt_status[8] = {
127 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
128 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
129 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
130 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
131};
132
7e2cf4fe
SC		 133static const u32 qlcnic_reg_tbl[] = {
134 0x1B20A8, /* PEG_HALT_STAT1 */
135 0x1B20AC, /* PEG_HALT_STAT2 */
136 0x1B20B0, /* FW_HEARTBEAT */
137 0x1B2100, /* LOCK ID */
138 0x1B2128, /* FW_CAPABILITIES */
139 0x1B2138, /* drv active */
140 0x1B2140, /* dev state */
141 0x1B2144, /* drv state */
142 0x1B2148, /* drv scratch */
143 0x1B214C, /* dev partition info */
144 0x1B2174, /* drv idc ver */
145 0x1B2150, /* fw version major */
146 0x1B2154, /* fw version minor */
147 0x1B2158, /* fw version sub */
148 0x1B219C, /* npar state */
149 0x1B21FC, /* FW_IMG_VALID */
150 0x1B2250, /* CMD_PEG_STATE */
151 0x1B233C, /* RCV_PEG_STATE */
152 0x1B23B4, /* ASIC TEMP */
153 0x1B216C, /* FW api */
154 0x1B2170, /* drv op mode */
155 0x13C010, /* flash lock */
156 0x13C014, /* flash unlock */
157};
158
22999798 159static const struct qlcnic_board_info qlcnic_boards[] = {
15ca140f
MC		 160 { PCI_VENDOR_ID_QLOGIC,
161 PCI_DEVICE_ID_QLOGIC_QLE844X,
162 0x0,
163 0x0,
164 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
e386cd4a
HM		 165 { PCI_VENDOR_ID_QLOGIC,
166 PCI_DEVICE_ID_QLOGIC_QLE834X,
167 PCI_VENDOR_ID_QLOGIC,
168 0x24e,
169 "8300 Series Dual Port 10GbE Converged Network Adapter "
170 "(TCP/IP Networking)" },
171 { PCI_VENDOR_ID_QLOGIC,
172 PCI_DEVICE_ID_QLOGIC_QLE834X,
173 PCI_VENDOR_ID_QLOGIC,
174 0x243,
175 "8300 Series Single Port 10GbE Converged Network Adapter "
176 "(TCP/IP Networking)" },
177 { PCI_VENDOR_ID_QLOGIC,
178 PCI_DEVICE_ID_QLOGIC_QLE834X,
179 PCI_VENDOR_ID_QLOGIC,
180 0x24a,
181 "8300 Series Dual Port 10GbE Converged Network Adapter "
182 "(TCP/IP Networking)" },
183 { PCI_VENDOR_ID_QLOGIC,
184 PCI_DEVICE_ID_QLOGIC_QLE834X,
185 PCI_VENDOR_ID_QLOGIC,
186 0x246,
187 "8300 Series Dual Port 10GbE Converged Network Adapter "
188 "(TCP/IP Networking)" },
189 { PCI_VENDOR_ID_QLOGIC,
190 PCI_DEVICE_ID_QLOGIC_QLE834X,
191 PCI_VENDOR_ID_QLOGIC,
192 0x252,
193 "8300 Series Dual Port 10GbE Converged Network Adapter "
194 "(TCP/IP Networking)" },
195 { PCI_VENDOR_ID_QLOGIC,
196 PCI_DEVICE_ID_QLOGIC_QLE834X,
197 PCI_VENDOR_ID_QLOGIC,
198 0x26e,
199 "8300 Series Dual Port 10GbE Converged Network Adapter "
200 "(TCP/IP Networking)" },
201 { PCI_VENDOR_ID_QLOGIC,
202 PCI_DEVICE_ID_QLOGIC_QLE834X,
203 PCI_VENDOR_ID_QLOGIC,
204 0x260,
205 "8300 Series Dual Port 10GbE Converged Network Adapter "
206 "(TCP/IP Networking)" },
207 { PCI_VENDOR_ID_QLOGIC,
208 PCI_DEVICE_ID_QLOGIC_QLE834X,
209 PCI_VENDOR_ID_QLOGIC,
210 0x266,
211 "8300 Series Single Port 10GbE Converged Network Adapter "
212 "(TCP/IP Networking)" },
213 { PCI_VENDOR_ID_QLOGIC,
214 PCI_DEVICE_ID_QLOGIC_QLE834X,
215 PCI_VENDOR_ID_QLOGIC,
216 0x269,
217 "8300 Series Dual Port 10GbE Converged Network Adapter "
218 "(TCP/IP Networking)" },
219 { PCI_VENDOR_ID_QLOGIC,
220 PCI_DEVICE_ID_QLOGIC_QLE834X,
221 PCI_VENDOR_ID_QLOGIC,
222 0x271,
223 "8300 Series Dual Port 10GbE Converged Network Adapter "
224 "(TCP/IP Networking)" },
225 { PCI_VENDOR_ID_QLOGIC,
226 PCI_DEVICE_ID_QLOGIC_QLE834X,
227 0x0, 0x0, "8300 Series 1/10GbE Controller" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE824X,
230 PCI_VENDOR_ID_QLOGIC,
231 0x203,
232 "8200 Series Single Port 10GbE Converged Network Adapter"
233 "(TCP/IP Networking)" },
234 { PCI_VENDOR_ID_QLOGIC,
235 PCI_DEVICE_ID_QLOGIC_QLE824X,
236 PCI_VENDOR_ID_QLOGIC,
237 0x207,
238 "8200 Series Dual Port 10GbE Converged Network Adapter"
239 "(TCP/IP Networking)" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 PCI_VENDOR_ID_QLOGIC,
243 0x20b,
244 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
245 { PCI_VENDOR_ID_QLOGIC,
246 PCI_DEVICE_ID_QLOGIC_QLE824X,
247 PCI_VENDOR_ID_QLOGIC,
248 0x20c,
249 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
250 { PCI_VENDOR_ID_QLOGIC,
251 PCI_DEVICE_ID_QLOGIC_QLE824X,
252 PCI_VENDOR_ID_QLOGIC,
253 0x20f,
254 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
255 { PCI_VENDOR_ID_QLOGIC,
256 PCI_DEVICE_ID_QLOGIC_QLE824X,
257 0x103c, 0x3733,
258 "NC523SFP 10Gb 2-port Server Adapter" },
259 { PCI_VENDOR_ID_QLOGIC,
260 PCI_DEVICE_ID_QLOGIC_QLE824X,
261 0x103c, 0x3346,
262 "CN1000Q Dual Port Converged Network Adapter" },
263 { PCI_VENDOR_ID_QLOGIC,
264 PCI_DEVICE_ID_QLOGIC_QLE824X,
265 PCI_VENDOR_ID_QLOGIC,
266 0x210,
267 "QME8242-k 10GbE Dual Port Mezzanine Card" },
268 { PCI_VENDOR_ID_QLOGIC,
269 PCI_DEVICE_ID_QLOGIC_QLE824X,
270 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 271};
272
273#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
274
af19b491
AKS		 275static const
276struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
277
c70001a9 278int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 279{
280 int size = sizeof(struct qlcnic_host_sds_ring) * count;
281
282 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
283
807540ba 284 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 285}
286
c70001a9 287void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 288{
289 if (recv_ctx->sds_rings != NULL)
290 kfree(recv_ctx->sds_rings);
291
292 recv_ctx->sds_rings = NULL;
293}
294
f8468331 295int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 296{
af19b491
AKS		 297 struct net_device *netdev = adapter->netdev;
298 struct pci_dev *pdev = adapter->pdev;
07a251c8
SS		 299 u8 mac_addr[ETH_ALEN];
300 int ret;
af19b491 301
07a251c8
SS		 302 ret = qlcnic_get_mac_address(adapter, mac_addr,
303 adapter->ahw->pci_func);
304 if (ret)
305 return ret;
af19b491 306
2e9d722d 307 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 308 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
309
310 /* set station address */
311
aaeb6cdf 312 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 313 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
314 netdev->dev_addr);
315
316 return 0;
317}
318
cffe52f3
MC		 319static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
320{
154d0c81 321 struct qlcnic_mac_vlan_list *cur;
cffe52f3
MC		 322 struct list_head *head;
323
324 list_for_each(head, &adapter->mac_list) {
154d0c81 325 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
6878f79a 326 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
cffe52f3
MC		 327 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
328 0, QLCNIC_MAC_DEL);
329 list_del(&cur->list);
330 kfree(cur);
331 return;
332 }
333 }
334}
335
af19b491
AKS		 336static int qlcnic_set_mac(struct net_device *netdev, void *p)
337{
338 struct qlcnic_adapter *adapter = netdev_priv(netdev);
339 struct sockaddr *addr = p;
340
7cb03b23
RB		 341 if (qlcnic_sriov_vf_check(adapter))
342 return -EINVAL;
343
7373373d
RB		 344 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
345 return -EOPNOTSUPP;
346
af19b491 347 if (!is_valid_ether_addr(addr->sa_data))
13159183 348 return -EINVAL;
af19b491 349
6878f79a 350 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
cffe52f3
MC		 351 return 0;
352
8a15ad1f 353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 354 netif_device_detach(netdev);
355 qlcnic_napi_disable(adapter);
356 }
357
cffe52f3 358 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 359 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
360 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
361 qlcnic_set_multi(adapter->netdev);
362
8a15ad1f 363 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 364 netif_device_attach(netdev);
365 qlcnic_napi_enable(adapter);
366 }
367 return 0;
368}
369
1690be63
VY		 370static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
371 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 372{
373 struct qlcnic_adapter *adapter = netdev_priv(netdev);
374 int err = -EOPNOTSUPP;
375
3e5c112f
VY		 376 if (!adapter->fdb_mac_learn)
377 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 378
379 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
52e493d0
JK		 380 if (is_unicast_ether_addr(addr)) {
381 err = dev_uc_del(netdev, addr);
382 if (!err)
383 err = qlcnic_nic_del_mac(adapter, addr);
384 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 385 err = dev_mc_del(netdev, addr);
52e493d0 386 } else {
fe1adc6b 387 err = -EINVAL;
52e493d0 388 }
fe1adc6b
JK		 389 }
390 return err;
391}
392
393static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
394 struct net_device *netdev,
395 const unsigned char *addr, u16 flags)
396{
397 struct qlcnic_adapter *adapter = netdev_priv(netdev);
398 int err = 0;
399
3e5c112f
VY		 400 if (!adapter->fdb_mac_learn)
401 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 402
403 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
404 pr_info("%s: FDB e-switch is not enabled\n", __func__);
405 return -EOPNOTSUPP;
406 }
407
408 if (ether_addr_equal(addr, adapter->mac_addr))
409 return err;
410
52e493d0
JK		 411 if (is_unicast_ether_addr(addr)) {
412 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
413 err = dev_uc_add_excl(netdev, addr);
414 else
415 err = -ENOMEM;
416 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 417 err = dev_mc_add_excl(netdev, addr);
52e493d0 418 } else {
fe1adc6b 419 err = -EINVAL;
52e493d0 420 }
fe1adc6b
JK		 421
422 return err;
423}
424
425static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
426 struct net_device *netdev, int idx)
427{
428 struct qlcnic_adapter *adapter = netdev_priv(netdev);
429
3e5c112f
VY		 430 if (!adapter->fdb_mac_learn)
431 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 432
433 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
434 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
435
436 return idx;
437}
438
7e2cf4fe
SC		 439static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
440{
441 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
442 usleep_range(10000, 11000);
443
66451615
SC		 444 if (!adapter->fw_work.work.func)
445 return;
446
7e2cf4fe
SC		 447 cancel_delayed_work_sync(&adapter->fw_work);
448}
449
07a251c8
SS		 450static int qlcnic_get_phys_port_id(struct net_device *netdev,
451 struct netdev_phys_port_id *ppid)
452{
453 struct qlcnic_adapter *adapter = netdev_priv(netdev);
454 struct qlcnic_hardware_context *ahw = adapter->ahw;
455
456 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
457 return -EOPNOTSUPP;
458
459 ppid->id_len = sizeof(ahw->phys_port_id);
460 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
461
462 return 0;
463}
464
af19b491
AKS		 465static const struct net_device_ops qlcnic_netdev_ops = {
466 .ndo_open = qlcnic_open,
467 .ndo_stop = qlcnic_close,
468 .ndo_start_xmit = qlcnic_xmit_frame,
469 .ndo_get_stats = qlcnic_get_stats,
470 .ndo_validate_addr = eth_validate_addr,
afc4b13d 471 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 472 .ndo_set_mac_address = qlcnic_set_mac,
473 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 474 .ndo_fix_features = qlcnic_fix_features,
475 .ndo_set_features = qlcnic_set_features,
af19b491 476 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 477 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
478 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 479 .ndo_fdb_add = qlcnic_fdb_add,
480 .ndo_fdb_del = qlcnic_fdb_del,
481 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 482 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
af19b491
AKS		 483#ifdef CONFIG_NET_POLL_CONTROLLER
484 .ndo_poll_controller = qlcnic_poll_controller,
485#endif
4000e7a7
RB		 486#ifdef CONFIG_QLCNIC_SRIOV
487 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
488 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
489 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 490 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 491 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 492#endif
af19b491
AKS		 493};
494
b43e5ee7
SC		 495static const struct net_device_ops qlcnic_netdev_failed_ops = {
496 .ndo_open = qlcnic_open,
497};
498
2e9d722d 499static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 500 .config_bridged_mode = qlcnic_config_bridged_mode,
501 .config_led = qlcnic_82xx_config_led,
502 .start_firmware = qlcnic_82xx_start_firmware,
503 .request_reset = qlcnic_82xx_dev_request_reset,
504 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
505 .napi_add = qlcnic_82xx_napi_add,
4be41e92 506 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 507 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 508 .shutdown = qlcnic_82xx_shutdown,
509 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 510 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
511};
512
513struct qlcnic_nic_template qlcnic_vf_ops = {
514 .config_bridged_mode = qlcnicvf_config_bridged_mode,
515 .config_led = qlcnicvf_config_led,
516 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 517};
518
7e2cf4fe
SC		 519static struct qlcnic_hardware_ops qlcnic_hw_ops = {
520 .read_crb = qlcnic_82xx_read_crb,
521 .write_crb = qlcnic_82xx_write_crb,
522 .read_reg = qlcnic_82xx_hw_read_wx_2M,
523 .write_reg = qlcnic_82xx_hw_write_wx_2M,
524 .get_mac_address = qlcnic_82xx_get_mac_address,
525 .setup_intr = qlcnic_82xx_setup_intr,
526 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
527 .mbx_cmd = qlcnic_82xx_issue_cmd,
528 .get_func_no = qlcnic_82xx_get_func_no,
529 .api_lock = qlcnic_82xx_api_lock,
530 .api_unlock = qlcnic_82xx_api_unlock,
531 .add_sysfs = qlcnic_82xx_add_sysfs,
532 .remove_sysfs = qlcnic_82xx_remove_sysfs,
533 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
534 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
535 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 536 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
537 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 538 .setup_link_event = qlcnic_82xx_linkevent_request,
539 .get_nic_info = qlcnic_82xx_get_nic_info,
540 .get_pci_info = qlcnic_82xx_get_pci_info,
541 .set_nic_info = qlcnic_82xx_set_nic_info,
542 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
543 .napi_enable = qlcnic_82xx_napi_enable,
544 .napi_disable = qlcnic_82xx_napi_disable,
545 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
546 .config_rss = qlcnic_82xx_config_rss,
547 .config_hw_lro = qlcnic_82xx_config_hw_lro,
548 .config_loopback = qlcnic_82xx_set_lb_mode,
549 .clear_loopback = qlcnic_82xx_clear_lb_mode,
550 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
551 .change_l2_filter = qlcnic_82xx_change_filter,
552 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 553 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 554 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 555 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 556 .io_error_detected = qlcnic_82xx_io_error_detected,
557 .io_slot_reset = qlcnic_82xx_io_slot_reset,
558 .io_resume = qlcnic_82xx_io_resume,
a0431589 559 .get_beacon_state = qlcnic_82xx_get_beacon_state,
2cc5752e
M		 560 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
561 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
562 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
563 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
2e9d722d
AC		 564};
565
34e8c406 566static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
012ec812
HM		 567{
568 struct qlcnic_hardware_context *ahw = adapter->ahw;
012ec812 569
34e8c406 570 if (qlcnic_82xx_check(adapter) &&
012ec812 571 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
34e8c406
HM		 572 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
573 return 0;
012ec812 574 } else {
34e8c406 575 return 1;
012ec812
HM		 576 }
577}
578
34e8c406
HM		 579static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
580 int queue_type)
581{
582 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
583
584 if (queue_type == QLCNIC_RX_QUEUE)
585 max_rings = adapter->max_sds_rings;
586 else if (queue_type == QLCNIC_TX_QUEUE)
587 max_rings = adapter->max_tx_rings;
588
589 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
590 max_rings));
591
592 if (ring_cnt > num_rings)
593 return num_rings;
594 else
595 return ring_cnt;
596}
597
598void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
599{
600 /* 83xx adapter does not have max_tx_rings intialized in probe */
601 if (adapter->max_tx_rings)
602 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
603 QLCNIC_TX_QUEUE);
604 else
605 adapter->drv_tx_rings = tx_cnt;
34e8c406
HM		 606}
607
608void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
609{
610 /* 83xx adapter does not have max_sds_rings intialized in probe */
611 if (adapter->max_sds_rings)
612 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
613 QLCNIC_RX_QUEUE);
614 else
615 adapter->drv_sds_rings = rx_cnt;
34e8c406
HM		 616}
617
cb9327d5 618int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
af19b491 619{
af19b491 620 struct pci_dev *pdev = adapter->pdev;
cb9327d5
HM		 621 int num_msix = 0, err = 0, vector;
622
623 adapter->flags &= ~QLCNIC_TSS_RSS;
624
625 if (adapter->drv_tss_rings > 0)
626 num_msix += adapter->drv_tss_rings;
627 else
628 num_msix += adapter->drv_tx_rings;
629
630 if (adapter->drv_rss_rings > 0)
631 num_msix += adapter->drv_rss_rings;
632 else
633 num_msix += adapter->drv_sds_rings;
634
635 if (qlcnic_83xx_check(adapter))
636 num_msix += 1;
637
638 if (!adapter->msix_entries) {
639 adapter->msix_entries = kcalloc(num_msix,
640 sizeof(struct msix_entry),
641 GFP_KERNEL);
642 if (!adapter->msix_entries)
643 return -ENOMEM;
644 }
645
646restore:
647 for (vector = 0; vector < num_msix; vector++)
648 adapter->msix_entries[vector].entry = vector;
649
650 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
651 if (err == 0) {
652 adapter->ahw->num_msix = num_msix;
653 if (adapter->drv_tss_rings > 0)
654 adapter->drv_tx_rings = adapter->drv_tss_rings;
da6c8063 655
cb9327d5
HM		 656 if (adapter->drv_rss_rings > 0)
657 adapter->drv_sds_rings = adapter->drv_rss_rings;
da6c8063 658 } else {
cb9327d5
HM		 659 netdev_info(adapter->netdev,
660 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
661 num_msix, err);
662
663 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
664
665 /* Set rings to 0 so we can restore original TSS/RSS count */
666 adapter->drv_tss_rings = 0;
667 adapter->drv_rss_rings = 0;
668
669 if (qlcnic_83xx_check(adapter))
670 num_msix += 1;
671
672 netdev_info(adapter->netdev,
673 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
674 adapter->drv_tx_rings, adapter->drv_sds_rings,
675 num_msix);
676 goto restore;
677
678 err = -EIO;
da6c8063 679 }
13159183 680
cb9327d5
HM		 681 return err;
682}
683
684int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
685{
686 struct pci_dev *pdev = adapter->pdev;
687 int err = -1, vector;
688
13159183
SC		 689 if (!adapter->msix_entries) {
690 adapter->msix_entries = kcalloc(num_msix,
691 sizeof(struct msix_entry),
692 GFP_KERNEL);
b2adaca9 693 if (!adapter->msix_entries)
13159183 694 return -ENOMEM;
13159183 695 }
af19b491 696
af19b491 697 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 698
79788450 699 if (adapter->ahw->msix_supported) {
cb9327d5
HM		 700enable_msix:
701 for (vector = 0; vector < num_msix; vector++)
702 adapter->msix_entries[vector].entry = vector;
703
af19b491
AKS		 704 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
705 if (err == 0) {
706 adapter->flags |= QLCNIC_MSIX_ENABLED;
cb9327d5 707 adapter->ahw->num_msix = num_msix;
af19b491 708 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 709 return err;
13159183
SC		 710 } else if (err > 0) {
711 dev_info(&pdev->dev,
cb9327d5
HM		 712 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
713 num_msix, err);
714
715 if (qlcnic_82xx_check(adapter)) {
13159183 716 num_msix = rounddown_pow_of_two(err);
cb9327d5
HM		 717 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
718 return -EIO;
13159183 719 } else {
cb9327d5
HM		 720 num_msix = rounddown_pow_of_two(err - 1);
721 num_msix += 1;
722 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
723 return -EIO;
724 }
725
726 if (qlcnic_82xx_check(adapter) &&
727 !qlcnic_check_multi_tx(adapter)) {
728 adapter->drv_sds_rings = num_msix;
729 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
730 } else {
731 /* Distribute vectors equally */
732 adapter->drv_tx_rings = num_msix / 2;
733 adapter->drv_sds_rings = adapter->drv_tx_rings;
13159183
SC		 734 }
735
736 if (num_msix) {
737 dev_info(&pdev->dev,
dce056cb 738 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 739 num_msix);
f94bc1e7 740 goto enable_msix;
13159183
SC		 741 }
742 } else {
dce056cb 743 dev_info(&pdev->dev,
cb9327d5
HM		 744 "Unable to allocate %d MSI-X vectors, err=%d\n",
745 num_msix, err);
746 return err;
f94bc1e7
SC		 747 }
748 }
13159183 749
f94bc1e7
SC		 750 return err;
751}
af19b491 752
cb9327d5
HM		 753static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
754{
755 int num_msix;
756
757 num_msix = adapter->drv_sds_rings;
758
759 if (qlcnic_check_multi_tx(adapter))
760 num_msix += adapter->drv_tx_rings;
761 else
762 num_msix += QLCNIC_SINGLE_RING;
763
764 return num_msix;
765}
766
9a97e705 767static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 768{
9a97e705 769 int err = 0;
15087c2b 770 u32 offset, mask_reg;
f94bc1e7 771 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 772 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 773 struct pci_dev *pdev = adapter->pdev;
af19b491 774
099f7aa7 775 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 776 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 777 offset = msi_tgt_status[adapter->ahw->pci_func];
778 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
779 offset);
af19b491
AKS		 780 dev_info(&pdev->dev, "using msi interrupts\n");
781 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 782 return err;
af19b491 783 }
012ec812 784
9a97e705
M		 785 if (qlcnic_use_msi || qlcnic_use_msi_x)
786 return -EOPNOTSUPP;
af19b491 787
f94bc1e7 788 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 789 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 790 offset = legacy_intrp->tgt_status_reg;
791 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
792 mask_reg = legacy_intrp->tgt_mask_reg;
793 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
794 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
795 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 796 dev_info(&pdev->dev, "using legacy interrupts\n");
797 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 798 return err;
af19b491
AKS		 799}
800
21041400 801static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
f94bc1e7 802{
9a97e705 803 int num_msix, err = 0;
f94bc1e7 804
cb9327d5
HM		 805 if (adapter->flags & QLCNIC_TSS_RSS) {
806 err = qlcnic_setup_tss_rss_intr(adapter);
807 if (err < 0)
808 return err;
809 num_msix = adapter->ahw->num_msix;
810 } else {
811 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
f94bc1e7 812
cb9327d5
HM		 813 err = qlcnic_enable_msix(adapter, num_msix);
814 if (err == -ENOMEM)
815 return err;
f94bc1e7 816
cb9327d5
HM		 817 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
818 qlcnic_disable_multi_tx(adapter);
012ec812 819
cb9327d5
HM		 820 err = qlcnic_enable_msi_legacy(adapter);
821 if (!err)
822 return err;
823 }
012ec812
HM		 824 }
825
826 return 0;
827}
828
829int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
830{
831 struct qlcnic_hardware_context *ahw = adapter->ahw;
832 int err, i;
833
834 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 835 !ahw->diag_test &&
012ec812
HM		 836 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
837 ahw->intr_tbl = vzalloc(ahw->num_msix *
838 sizeof(struct qlcnic_intrpt_config));
839 if (!ahw->intr_tbl)
840 return -ENOMEM;
841
842 for (i = 0; i < ahw->num_msix; i++) {
843 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
844 ahw->intr_tbl[i].id = i;
845 ahw->intr_tbl[i].src = 0;
846 }
847
848 err = qlcnic_82xx_config_intrpt(adapter, 1);
849 if (err)
850 dev_err(&adapter->pdev->dev,
851 "Failed to configure Interrupt for %d vector\n",
852 ahw->num_msix);
9a97e705 853 return err;
012ec812 854 }
9a97e705 855
012ec812 856 return 0;
f94bc1e7 857}
13159183 858
319ecf12 859void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 860{
861 if (adapter->flags & QLCNIC_MSIX_ENABLED)
862 pci_disable_msix(adapter->pdev);
863 if (adapter->flags & QLCNIC_MSI_ENABLED)
864 pci_disable_msi(adapter->pdev);
13159183
SC		 865
866 kfree(adapter->msix_entries);
867 adapter->msix_entries = NULL;
868
869 if (adapter->ahw->intr_tbl) {
870 vfree(adapter->ahw->intr_tbl);
871 adapter->ahw->intr_tbl = NULL;
872 }
af19b491
AKS		 873}
874
f1a094a8 875static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 876{
f1a094a8
RB		 877 if (ahw->pci_base0 != NULL)
878 iounmap(ahw->pci_base0);
af19b491
AKS		 879}
880
7e2cf4fe
SC		 881static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
882{
2f514c52 883 struct qlcnic_hardware_context *ahw = adapter->ahw;
7e2cf4fe
SC		 884 struct qlcnic_pci_info *pci_info;
885 int ret;
886
887 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
2f514c52 888 switch (ahw->port_type) {
7e2cf4fe 889 case QLCNIC_GBE:
2f514c52 890 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
7e2cf4fe
SC		 891 break;
892 case QLCNIC_XGBE:
2f514c52 893 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
7e2cf4fe
SC		 894 break;
895 }
896 return 0;
897 }
898
2f514c52 899 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
7e2cf4fe
SC		 900 return 0;
901
2f514c52 902 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
7e2cf4fe
SC		 903 if (!pci_info)
904 return -ENOMEM;
905
906 ret = qlcnic_get_pci_info(adapter, pci_info);
907 kfree(pci_info);
908 return ret;
909}
d71170fb 910
35dafcb0
SC		 911static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
912{
913 bool ret = false;
914
915 if (qlcnic_84xx_check(adapter)) {
916 ret = true;
917 } else if (qlcnic_83xx_check(adapter)) {
918 if (adapter->ahw->extra_capability[0] &
919 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
920 ret = true;
921 else
922 ret = false;
923 }
924
925 return ret;
926}
927
d71170fb 928int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 929{
2f514c52 930 struct qlcnic_hardware_context *ahw = adapter->ahw;
e88db3bd 931 struct qlcnic_pci_info *pci_info;
4c776aad 932 int i, id = 0, ret = 0, j = 0;
bff57d8e 933 u16 act_pci_func;
346fe763
RB		 934 u8 pfn;
935
2f514c52 936 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
e88db3bd
DC		 937 if (!pci_info)
938 return -ENOMEM;
939
bff57d8e
SC		 940 ret = qlcnic_get_pci_info(adapter, pci_info);
941 if (ret)
942 goto err_pci_info;
943
2f514c52 944 act_pci_func = ahw->total_nic_func;
bff57d8e 945
ca315ac2 946 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 947 act_pci_func, GFP_KERNEL);
e88db3bd 948 if (!adapter->npars) {
900853a4 949 ret = -ENOMEM;
e88db3bd
DC		 950 goto err_pci_info;
951 }
346fe763 952
ca315ac2 953 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 954 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
955 if (!adapter->eswitch) {
900853a4 956 ret = -ENOMEM;
ca315ac2 957 goto err_npars;
346fe763
RB		 958 }
959
2f514c52 960 for (i = 0; i < ahw->max_vnic_func; i++) {
ca315ac2 961 pfn = pci_info[i].id;
bff57d8e 962
2f514c52 963 if (pfn >= ahw->max_vnic_func) {
f848d6dd
SC		 964 ret = QL_STATUS_INVALID_PARAM;
965 goto err_eswitch;
966 }
bff57d8e
SC		 967
968 if (!pci_info[i].active ||
969 (pci_info[i].type != QLCNIC_TYPE_NIC))
970 continue;
971
35dafcb0 972 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 973 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
974 &id))
35dafcb0
SC		 975 adapter->npars[j].eswitch_status = true;
976 else
977 continue;
978 } else {
979 adapter->npars[j].eswitch_status = true;
980 }
981
bff57d8e
SC		 982 adapter->npars[j].pci_func = pfn;
983 adapter->npars[j].active = (u8)pci_info[i].active;
984 adapter->npars[j].type = (u8)pci_info[i].type;
985 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
986 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
987 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 988
9e630955 989 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 990 j++;
346fe763
RB		 991 }
992
4c776aad
SC		 993 /* Update eSwitch status for adapters without per port eSwitch
994 * configuration capability
995 */
996 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 997 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
998 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 999 }
ca315ac2 1000
e88db3bd 1001 kfree(pci_info);
ca315ac2
DC		 1002 return 0;
1003
1004err_eswitch:
346fe763
RB		 1005 kfree(adapter->eswitch);
1006 adapter->eswitch = NULL;
ca315ac2 1007err_npars:
346fe763 1008 kfree(adapter->npars);
ca315ac2 1009 adapter->npars = NULL;
e88db3bd
DC		 1010err_pci_info:
1011 kfree(pci_info);
346fe763
RB		 1012
1013 return ret;
1014}
1015
2e9d722d
AC		 1016static int
1017qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1018{
1019 u8 id;
7e8fd003 1020 int ret;
2e9d722d 1021 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 1022 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 1023
2e9d722d
AC		 1024 ret = qlcnic_api_lock(adapter);
1025 if (ret)
1026 goto err_lock;
2e9d722d 1027
7e8fd003
SS		 1028 id = ahw->pci_func;
1029 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1030 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1031 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 1032 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 1033 qlcnic_api_unlock(adapter);
1034err_lock:
1035 return ret;
1036}
1037
13159183
SC		 1038static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1039 const struct pci_device_id *ent)
2e9d722d 1040{
2e9d722d
AC		 1041 u32 op_mode, priv_level;
1042
1043 /* Determine FW API version */
13159183
SC		 1044 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1045 QLCNIC_FW_API);
2e9d722d
AC		 1046
1047 /* Find PCI function number */
13159183 1048 qlcnic_get_func_no(adapter);
2e9d722d
AC		 1049
1050 /* Determine function privilege level */
13159183 1051 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 1052 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 1053 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 1054 else
b1fc6d3c 1055 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 1056
0866d96d 1057 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 1058 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 1059 dev_info(&adapter->pdev->dev,
1060 "HAL Version: %d Non Privileged function\n",
79788450 1061 adapter->ahw->fw_hal_version);
9f26f547 1062 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 1063 } else
1064 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 1065}
1066
15087c2b 1067#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 1068#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 1069static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1070{
1071 switch (dev_id) {
1072 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1073 *bar = QLCNIC_82XX_BAR0_LENGTH;
1074 break;
13159183 1075 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 1076 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 1077 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 1078 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 1079 *bar = QLCNIC_83XX_BAR0_LENGTH;
1080 break;
15087c2b
SC		 1081 default:
1082 *bar = 0;
1083 }
1084}
1085
1086static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1087 struct qlcnic_hardware_context *ahw)
af19b491 1088{
15087c2b 1089 u32 offset;
af19b491 1090 void __iomem *mem_ptr0 = NULL;
15087c2b 1091 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 1092
af19b491 1093 /* remap phys address */
af19b491
AKS		 1094 mem_len = pci_resource_len(pdev, 0);
1095
15087c2b
SC		 1096 qlcnic_get_bar_length(pdev->device, &bar0_len);
1097 if (mem_len >= bar0_len) {
af19b491
AKS		 1098
1099 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1100 if (mem_ptr0 == NULL) {
1101 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1102 return -EIO;
1103 }
1104 pci_len0 = mem_len;
1105 } else {
1106 return -EIO;
1107 }
1108
f8468331 1109 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1110
15087c2b
SC		 1111 ahw->pci_base0 = mem_ptr0;
1112 ahw->pci_len0 = pci_len0;
1113 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1114 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1115
1116 return 0;
1117}
1118
60dcbcb0
MC		 1119static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1120 int index)
2343f06a
MC		 1121{
1122 struct pci_dev *pdev = adapter->pdev;
1123 unsigned short subsystem_vendor;
1124 bool ret = true;
1125
1126 subsystem_vendor = pdev->subsystem_vendor;
1127
1128 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1129 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1130 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1131 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1132 ret = true;
1133 else
1134 ret = false;
1135 }
1136
1137 return ret;
1138}
1139
22999798 1140static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1141{
1142 struct pci_dev *pdev = adapter->pdev;
1143 int i, found = 0;
1144
1145 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1146 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1147 qlcnic_boards[i].device == pdev->device &&
1148 qlcnic_validate_subsystem_id(adapter, i)) {
1149 found = 1;
1150 break;
af19b491 1151 }
af19b491
AKS		 1152 }
1153
1154 if (!found)
7f9a0c34 1155 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1156 else
1157 sprintf(name, "%pM: %s" , adapter->mac_addr,
1158 qlcnic_boards[i].short_name);
af19b491
AKS		 1159}
1160
1161static void
1162qlcnic_check_options(struct qlcnic_adapter *adapter)
1163{
a15ebd37 1164 int err;
031a4a26 1165 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1166 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1167 struct qlcnic_hardware_context *ahw = adapter->ahw;
1168 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1169
1170 prev_fw_version = adapter->fw_version;
af19b491 1171
a15ebd37
HM		 1172 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1173 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1174 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1175
1176 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1177
a15ebd37
HM		 1178 err = qlcnic_get_board_info(adapter);
1179 if (err) {
1180 dev_err(&pdev->dev, "Error getting board config info.\n");
1181 return;
1182 }
1183 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1184 if (fw_dump->tmpl_hdr == NULL ||
1185 adapter->fw_version > prev_fw_version) {
1186 if (fw_dump->tmpl_hdr)
1187 vfree(fw_dump->tmpl_hdr);
1188 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1189 dev_info(&pdev->dev,
1190 "Supports FW dump capability\n");
1191 }
1192 }
1193
13159183
SC		 1194 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1195 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1196
b1fc6d3c 1197 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1198 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1199 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1200 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1201 } else {
1202 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1203 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1204 }
1205
af19b491 1206 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1207 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1208
b1fc6d3c 1209 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1210 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1211 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1212 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1213 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1214 }
1215
099f7aa7 1216 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1217
1218 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1219
251b036a 1220 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1221}
1222
174240a8
RB		 1223static int
1224qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1225{
174240a8 1226 struct qlcnic_info nic_info;
4bd8e738 1227 int err = 0;
174240a8 1228
bff57d8e 1229 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1230 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1231 if (err)
1232 return err;
1233
79788450
SC		 1234 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1235 adapter->ahw->switch_mode = nic_info.switch_mode;
1236 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1237 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1238 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1239
1240 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1241 u32 temp;
4bd8e738
HM		 1242 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1243 if (err == -EIO)
1244 return err;
db131786 1245 adapter->ahw->extra_capability[0] = temp;
d6994ca7
SS		 1246 } else {
1247 adapter->ahw->extra_capability[0] = 0;
776e7bde 1248 }
d6994ca7 1249
79788450
SC		 1250 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1251 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1252
34e8c406 1253 if (adapter->ahw->capabilities & BIT_6) {
174240a8 1254 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
34e8c406
HM		 1255 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1256 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1257 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1258
1259 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1260 } else {
1261 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1262 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
f9566265 1263 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
174240a8 1264 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
34e8c406 1265 }
174240a8
RB		 1266
1267 return err;
1268}
1269
ec079a07
SC		 1270void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1271 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1272{
1273 if (esw_cfg->discard_tagged)
1274 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1275 else
1276 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1277
91b7282b
RB		 1278 if (esw_cfg->vlan_id) {
1279 adapter->rx_pvid = esw_cfg->vlan_id;
1280 adapter->tx_pvid = esw_cfg->vlan_id;
1281 } else {
1282 adapter->rx_pvid = 0;
1283 adapter->tx_pvid = 0;
1284 }
8cf61f89
AKS		 1285}
1286
8e586137 1287static int
80d5c368 1288qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1289{
1290 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1291 int err;
1292
1293 if (qlcnic_sriov_vf_check(adapter)) {
1294 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1295 if (err) {
1296 netdev_err(netdev,
1297 "Cannot add VLAN filter for VLAN id %d, err=%d",
1298 vid, err);
1299 return err;
1300 }
1301 }
1302
b9796a14 1303 set_bit(vid, adapter->vlans);
8e586137 1304 return 0;
b9796a14
AC		 1305}
1306
8e586137 1307static int
80d5c368 1308qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1309{
1310 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1311 int err;
1312
1313 if (qlcnic_sriov_vf_check(adapter)) {
1314 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1315 if (err) {
1316 netdev_err(netdev,
1317 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1318 vid, err);
1319 return err;
1320 }
1321 }
b9796a14
AC		 1322
1323 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1324 clear_bit(vid, adapter->vlans);
8e586137 1325 return 0;
b9796a14
AC		 1326}
1327
ec079a07
SC		 1328void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1329 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1330{
ee07c1a7
RB		 1331 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1332 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1333
1334 if (esw_cfg->mac_anti_spoof)
1335 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1336
7373373d
RB		 1337 if (!esw_cfg->mac_override)
1338 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1339
ee07c1a7
RB		 1340 if (!esw_cfg->promisc_mode)
1341 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1342}
1343
d71170fb 1344int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1345{
1346 struct qlcnic_esw_func_cfg esw_cfg;
1347
1348 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1349 return 0;
1350
b1fc6d3c 1351 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1352 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1353 return -EIO;
8cf61f89 1354 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1355 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1356 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1357
1358 return 0;
1359}
1360
147a9088
SS		 1361void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1362 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1363{
1364 struct net_device *netdev = adapter->netdev;
13159183
SC		 1365
1366 if (qlcnic_83xx_check(adapter))
1367 return;
0325d69b 1368
147a9088
SS		 1369 adapter->offload_flags = esw_cfg->offload_flags;
1370 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1371 netdev_update_features(netdev);
1372 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1373}
1374
0866d96d
AC		 1375static int
1376qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1377{
0866d96d
AC		 1378 u32 op_mode, priv_level;
1379 int err = 0;
1380
174240a8
RB		 1381 err = qlcnic_initialize_nic(adapter);
1382 if (err)
1383 return err;
1384
0866d96d
AC		 1385 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1386 return 0;
1387
13159183 1388 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1389 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1390
1391 if (op_mode == QLC_DEV_DRV_DEFAULT)
1392 priv_level = QLCNIC_MGMT_FUNC;
1393 else
b1fc6d3c 1394 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1395
174240a8 1396 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1397 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1398 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1399 err = qlcnic_init_pci_info(adapter);
1400 if (err)
1401 return err;
1402 /* Set privilege level for other functions */
1403 qlcnic_set_function_modes(adapter);
1404 dev_info(&adapter->pdev->dev,
1405 "HAL Version: %d, Management function\n",
79788450 1406 adapter->ahw->fw_hal_version);
0866d96d 1407 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1408 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1409 dev_info(&adapter->pdev->dev,
1410 "HAL Version: %d, Privileged function\n",
79788450 1411 adapter->ahw->fw_hal_version);
0866d96d 1412 }
34e8c406
HM		 1413 } else {
1414 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
174240a8 1415 }
0866d96d
AC		 1416
1417 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1418
1419 return err;
1420}
1421
d71170fb 1422int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1423{
1424 struct qlcnic_esw_func_cfg esw_cfg;
1425 struct qlcnic_npar_info *npar;
1426 u8 i;
1427
174240a8 1428 if (adapter->need_fw_reset)
0325d69b
RB		 1429 return 0;
1430
2f514c52 1431 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
35dafcb0
SC		 1432 if (!adapter->npars[i].eswitch_status)
1433 continue;
1434
0325d69b 1435 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1436 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1437 esw_cfg.mac_override = BIT_0;
ee07c1a7 1438 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1439 if (qlcnic_82xx_check(adapter)) {
1440 esw_cfg.offload_flags = BIT_0;
1441 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1442 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1443 }
0325d69b
RB		 1444 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1445 return -EIO;
1446 npar = &adapter->npars[i];
1447 npar->pvid = esw_cfg.vlan_id;
7373373d 1448 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1449 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1450 npar->discard_tagged = esw_cfg.discard_tagged;
1451 npar->promisc_mode = esw_cfg.promisc_mode;
1452 npar->offload_flags = esw_cfg.offload_flags;
1453 }
1454
1455 return 0;
1456}
1457
13159183 1458
4e8acb01
RB		 1459static int
1460qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1461 struct qlcnic_npar_info *npar, int pci_func)
1462{
1463 struct qlcnic_esw_func_cfg esw_cfg;
1464 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1465 esw_cfg.pci_func = pci_func;
1466 esw_cfg.vlan_id = npar->pvid;
7373373d 1467 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1468 esw_cfg.discard_tagged = npar->discard_tagged;
1469 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1470 esw_cfg.offload_flags = npar->offload_flags;
1471 esw_cfg.promisc_mode = npar->promisc_mode;
1472 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1473 return -EIO;
1474
1475 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1476 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1477 return -EIO;
1478
1479 return 0;
1480}
1481
d71170fb 1482int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1483{
4e8acb01 1484 int i, err;
cea8975e
AC		 1485 struct qlcnic_npar_info *npar;
1486 struct qlcnic_info nic_info;
bff57d8e 1487 u8 pci_func;
cea8975e 1488
bff57d8e
SC		 1489 if (qlcnic_82xx_check(adapter))
1490 if (!adapter->need_fw_reset)
1491 return 0;
cea8975e 1492
4e8acb01 1493 /* Set the NPAR config data after FW reset */
2f514c52 1494 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
4e8acb01 1495 npar = &adapter->npars[i];
bff57d8e 1496 pci_func = npar->pci_func;
35dafcb0
SC		 1497 if (!adapter->npars[i].eswitch_status)
1498 continue;
1499
bff57d8e 1500 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1501 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1502 if (err)
1503 return err;
1504 nic_info.min_tx_bw = npar->min_bw;
1505 nic_info.max_tx_bw = npar->max_bw;
1506 err = qlcnic_set_nic_info(adapter, &nic_info);
1507 if (err)
1508 return err;
cea8975e 1509
4e8acb01
RB		 1510 if (npar->enable_pm) {
1511 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1512 npar->dest_npar, 1,
1513 pci_func);
4e8acb01
RB		 1514 if (err)
1515 return err;
cea8975e 1516 }
bff57d8e 1517 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1518 if (err)
1519 return err;
cea8975e 1520 }
4e8acb01 1521 return 0;
cea8975e
AC		 1522}
1523
78f84e1a
AKS		 1524static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1525{
1526 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1527 u32 npar_state;
1528
79788450 1529 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1530 return 0;
1531
a15ebd37
HM		 1532 npar_state = QLC_SHARED_REG_RD32(adapter,
1533 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1534 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1535 msleep(1000);
a15ebd37
HM		 1536 npar_state = QLC_SHARED_REG_RD32(adapter,
1537 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1538 }
1539 if (!npar_opt_timeo) {
1540 dev_err(&adapter->pdev->dev,
8a168ca7 1541 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1542 return -EIO;
1543 }
1544 return 0;
1545}
1546
174240a8
RB		 1547static int
1548qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1549{
1550 int err;
1551
1552 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1553 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1554 return 0;
1555
1556 err = qlcnic_set_default_offload_settings(adapter);
1557 if (err)
1558 return err;
1559
1560 err = qlcnic_reset_npar_config(adapter);
1561 if (err)
1562 return err;
1563
1564 qlcnic_dev_set_npar_ready(adapter);
1565
1566 return err;
1567}
1568
21041400 1569static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1570{
d4066833 1571 int err;
af19b491 1572
aa5e18c0
SC		 1573 err = qlcnic_can_start_firmware(adapter);
1574 if (err < 0)
1575 return err;
1576 else if (!err)
d4066833 1577 goto check_fw_status;
af19b491 1578
099f7aa7 1579 if (qlcnic_load_fw_file)
4d5bdb38 1580 qlcnic_request_firmware(adapter);
8f891387 1581 else {
8cfdce08
SC		 1582 err = qlcnic_check_flash_fw_ver(adapter);
1583 if (err)
8f891387 1584 goto err_out;
1585
79788450 1586 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1587 }
af19b491
AKS		 1588
1589 err = qlcnic_need_fw_reset(adapter);
af19b491 1590 if (err == 0)
4e70812b 1591 goto check_fw_status;
af19b491 1592
d4066833
SC		 1593 err = qlcnic_pinit_from_rom(adapter);
1594 if (err)
1595 goto err_out;
af19b491
AKS		 1596
1597 err = qlcnic_load_firmware(adapter);
1598 if (err)
1599 goto err_out;
1600
1601 qlcnic_release_firmware(adapter);
d4066833 1602 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1603
d4066833
SC		 1604check_fw_status:
1605 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1606 if (err)
1607 goto err_out;
1608
a15ebd37 1609 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1610 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1611 err = qlcnic_check_eswitch_mode(adapter);
1612 if (err) {
1613 dev_err(&adapter->pdev->dev,
1614 "Memory allocation failed for eswitch\n");
1615 goto err_out;
1616 }
174240a8
RB		 1617 err = qlcnic_set_mgmt_operations(adapter);
1618 if (err)
1619 goto err_out;
1620
1621 qlcnic_check_options(adapter);
af19b491
AKS		 1622 adapter->need_fw_reset = 0;
1623
a7fc948f
AKS		 1624 qlcnic_release_firmware(adapter);
1625 return 0;
af19b491
AKS		 1626
1627err_out:
a15ebd37 1628 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1629 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1630
af19b491
AKS		 1631 qlcnic_release_firmware(adapter);
1632 return err;
1633}
1634
1635static int
1636qlcnic_request_irq(struct qlcnic_adapter *adapter)
1637{
1638 irq_handler_t handler;
1639 struct qlcnic_host_sds_ring *sds_ring;
13159183 1640 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1641 int err, ring, num_sds_rings;
af19b491
AKS		 1642
1643 unsigned long flags = 0;
1644 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1645 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1646
79788450 1647 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1648 if (qlcnic_82xx_check(adapter))
1649 handler = qlcnic_tmp_intr;
c2534384
MC		 1650 else
1651 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1652 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1653 flags |= IRQF_SHARED;
1654
1655 } else {
1656 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1657 handler = qlcnic_msix_intr;
1658 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1659 handler = qlcnic_msi_intr;
1660 else {
1661 flags |= IRQF_SHARED;
ac166700
HM		 1662 if (qlcnic_82xx_check(adapter))
1663 handler = qlcnic_intr;
1664 else
1665 handler = qlcnic_83xx_intr;
7eb9855d 1666 }
af19b491
AKS		 1667 }
1668 adapter->irq = netdev->irq;
1669
13159183 1670 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1671 if (qlcnic_82xx_check(adapter) ||
1672 (qlcnic_83xx_check(adapter) &&
1673 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1674 num_sds_rings = adapter->drv_sds_rings;
ddb2e174 1675 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1676 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1677 if (qlcnic_82xx_check(adapter) &&
012ec812 1678 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1679 (ring == (num_sds_rings - 1))) {
1680 if (!(adapter->flags &
1681 QLCNIC_MSIX_ENABLED))
1682 snprintf(sds_ring->name,
1683 sizeof(sds_ring->name),
1684 "qlcnic");
1685 else
1686 snprintf(sds_ring->name,
1687 sizeof(sds_ring->name),
1688 "%s-tx-0-rx-%d",
1689 netdev->name, ring);
1690 } else {
ddb2e174
HM		 1691 snprintf(sds_ring->name,
1692 sizeof(sds_ring->name),
aa2a8034 1693 "%s-rx-%d",
ddb2e174 1694 netdev->name, ring);
aa2a8034 1695 }
ac166700
HM		 1696 err = request_irq(sds_ring->irq, handler, flags,
1697 sds_ring->name, sds_ring);
1698 if (err)
1699 return err;
1700 }
13159183 1701 }
012ec812
HM		 1702 if ((qlcnic_82xx_check(adapter) &&
1703 qlcnic_check_multi_tx(adapter)) ||
1704 (qlcnic_83xx_check(adapter) &&
1705 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1706 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183 1707 handler = qlcnic_msix_tx_intr;
34e8c406 1708 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1709 ring++) {
1710 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1711 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1712 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1713 err = request_irq(tx_ring->irq, handler, flags,
1714 tx_ring->name, tx_ring);
1715 if (err)
1716 return err;
1717 }
1718 }
af19b491 1719 }
af19b491
AKS		 1720 return 0;
1721}
1722
1723static void
1724qlcnic_free_irq(struct qlcnic_adapter *adapter)
1725{
1726 int ring;
1727 struct qlcnic_host_sds_ring *sds_ring;
13159183 1728 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1729
b1fc6d3c 1730 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1731
13159183 1732 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1733 if (qlcnic_82xx_check(adapter) ||
1734 (qlcnic_83xx_check(adapter) &&
1735 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1736 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
ac166700
HM		 1737 sds_ring = &recv_ctx->sds_rings[ring];
1738 free_irq(sds_ring->irq, sds_ring);
1739 }
13159183 1740 }
012ec812
HM		 1741 if ((qlcnic_83xx_check(adapter) &&
1742 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1743 (qlcnic_82xx_check(adapter) &&
1744 qlcnic_check_multi_tx(adapter))) {
34e8c406 1745 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1746 ring++) {
1747 tx_ring = &adapter->tx_ring[ring];
1748 if (tx_ring->irq)
1749 free_irq(tx_ring->irq, tx_ring);
1750 }
1751 }
af19b491
AKS		 1752 }
1753}
1754
99e85879
SS		 1755static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1756{
1757 u32 capab = 0;
1758
1759 if (qlcnic_82xx_check(adapter)) {
db131786 1760 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1761 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1762 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1763 } else {
1764 capab = adapter->ahw->capabilities;
1765 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1766 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1767 }
1768}
1769
a514722a
HM		 1770static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1771{
1772 struct qlcnic_hardware_context *ahw = adapter->ahw;
1773 int err;
1774
1775 /* Initialize interrupt coalesce parameters */
1776 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1777
1778 if (qlcnic_83xx_check(adapter)) {
1779 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1780 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1781 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1782 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1783 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1784
1785 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1786 } else {
1787 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1788 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1789 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1790
1791 err = qlcnic_82xx_set_rx_coalesce(adapter);
1792 }
1793
1794 return err;
1795}
1796
319ecf12 1797int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1798{
8a15ad1f
AKS		 1799 int ring;
1800 struct qlcnic_host_rds_ring *rds_ring;
1801
af19b491
AKS		 1802 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1803 return -EIO;
1804
8a15ad1f
AKS		 1805 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1806 return 0;
012ec812 1807
0325d69b
RB		 1808 if (qlcnic_set_eswitch_port_config(adapter))
1809 return -EIO;
012ec812 1810
99e85879 1811 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1812
8a15ad1f
AKS		 1813 if (qlcnic_fw_create_ctx(adapter))
1814 return -EIO;
1815
1816 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1817 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1818 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1819 }
1820
af19b491
AKS		 1821 qlcnic_set_multi(netdev);
1822 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1823
b1fc6d3c 1824 adapter->ahw->linkup = 0;
af19b491 1825
34e8c406 1826 if (adapter->drv_sds_rings > 1)
af19b491
AKS		 1827 qlcnic_config_rss(adapter, 1);
1828
a514722a 1829 qlcnic_config_def_intr_coalesce(adapter);
af19b491 1830
24763d80 1831 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1832 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1833
cfacb172 1834 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1835 qlcnic_napi_enable(adapter);
1836
1837 qlcnic_linkevent_request(adapter, 1);
1838
79788450 1839 adapter->ahw->reset_context = 0;
060d0564 1840 netif_tx_start_all_queues(netdev);
af19b491
AKS		 1841 return 0;
1842}
1843
629263ac 1844int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1845{
1846 int err = 0;
1847
1848 rtnl_lock();
1849 if (netif_running(netdev))
1850 err = __qlcnic_up(adapter, netdev);
1851 rtnl_unlock();
1852
1853 return err;
1854}
1855
319ecf12 1856void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1857{
012ec812
HM		 1858 int ring;
1859
af19b491
AKS		 1860 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1861 return;
1862
1863 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1864 return;
1865
e8b508ef
RB		 1866 if (qlcnic_sriov_vf_check(adapter))
1867 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1868 smp_mb();
af19b491 1869 netif_carrier_off(netdev);
0a46bac0 1870 adapter->ahw->linkup = 0;
af19b491
AKS		 1871 netif_tx_disable(netdev);
1872
1873 qlcnic_free_mac_list(adapter);
1874
b5e5492c
AKS		 1875 if (adapter->fhash.fnum)
1876 qlcnic_delete_lb_filters(adapter);
1877
af19b491
AKS		 1878 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1879
1880 qlcnic_napi_disable(adapter);
1881
8a15ad1f 1882 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1883 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1884
1885 qlcnic_reset_rx_buffers_list(adapter);
012ec812 1886
34e8c406 1887 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
012ec812 1888 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1889}
1890
1891/* Usage: During suspend and firmware recovery module */
1892
629263ac 1893void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1894{
1895 rtnl_lock();
1896 if (netif_running(netdev))
1897 __qlcnic_down(adapter, netdev);
1898 rtnl_unlock();
1899
1900}
1901
319ecf12 1902int
af19b491
AKS		 1903qlcnic_attach(struct qlcnic_adapter *adapter)
1904{
1905 struct net_device *netdev = adapter->netdev;
1906 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1907 int err;
af19b491
AKS		 1908
1909 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1910 return 0;
1911
af19b491
AKS		 1912 err = qlcnic_napi_add(adapter, netdev);
1913 if (err)
1914 return err;
1915
1916 err = qlcnic_alloc_sw_resources(adapter);
1917 if (err) {
1918 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1919 goto err_out_napi_del;
af19b491
AKS		 1920 }
1921
1922 err = qlcnic_alloc_hw_resources(adapter);
1923 if (err) {
1924 dev_err(&pdev->dev, "Error in setting hw resources\n");
1925 goto err_out_free_sw;
1926 }
1927
af19b491
AKS		 1928 err = qlcnic_request_irq(adapter);
1929 if (err) {
1930 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1931 goto err_out_free_hw;
af19b491
AKS		 1932 }
1933
af19b491
AKS		 1934 qlcnic_create_sysfs_entries(adapter);
1935
1936 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1937 return 0;
1938
8a15ad1f 1939err_out_free_hw:
af19b491
AKS		 1940 qlcnic_free_hw_resources(adapter);
1941err_out_free_sw:
1942 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1943err_out_napi_del:
1944 qlcnic_napi_del(adapter);
af19b491
AKS		 1945 return err;
1946}
1947
319ecf12 1948void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1949{
1950 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1951 return;
1952
1953 qlcnic_remove_sysfs_entries(adapter);
1954
1955 qlcnic_free_hw_resources(adapter);
1956 qlcnic_release_rx_buffers(adapter);
1957 qlcnic_free_irq(adapter);
1958 qlcnic_napi_del(adapter);
1959 qlcnic_free_sw_resources(adapter);
1960
1961 adapter->is_up = 0;
1962}
1963
34e8c406 1964void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
7eb9855d
AKS		 1965{
1966 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1967 struct qlcnic_host_sds_ring *sds_ring;
34e8c406 1968 int drv_tx_rings = adapter->drv_tx_rings;
7eb9855d
AKS		 1969 int ring;
1970
78ad3892 1971 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1972 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 1973 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 1974 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 1975 qlcnic_disable_sds_intr(adapter, sds_ring);
cdaff185 1976 }
7eb9855d
AKS		 1977 }
1978
8a15ad1f
AKS		 1979 qlcnic_fw_destroy_ctx(adapter);
1980
7eb9855d
AKS		 1981 qlcnic_detach(adapter);
1982
79788450 1983 adapter->ahw->diag_test = 0;
34e8c406
HM		 1984 adapter->drv_sds_rings = drv_sds_rings;
1985 adapter->drv_tx_rings = drv_tx_rings;
7eb9855d
AKS		 1986
1987 if (qlcnic_attach(adapter))
34ce3626 1988 goto out;
7eb9855d
AKS		 1989
1990 if (netif_running(netdev))
1991 __qlcnic_up(adapter, netdev);
34ce3626 1992out:
7eb9855d
AKS		 1993 netif_device_attach(netdev);
1994}
1995
b1fc6d3c
AC		 1996static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1997{
1998 int err = 0;
be273dc1 1999
b1fc6d3c
AC		 2000 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2001 GFP_KERNEL);
2002 if (!adapter->recv_ctx) {
b1fc6d3c 2003 err = -ENOMEM;
8816d009 2004 goto err_out;
b1fc6d3c 2005 }
a514722a 2006
4be41e92
SC		 2007 /* clear stats */
2008 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 2009err_out:
2010 return err;
2011}
2012
2013static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2014{
2015 kfree(adapter->recv_ctx);
2016 adapter->recv_ctx = NULL;
2017
18f2f616
AC		 2018 if (adapter->ahw->fw_dump.tmpl_hdr) {
2019 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2020 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2021 }
4be41e92 2022
81d0aeb0 2023 kfree(adapter->ahw->reset.buff);
4be41e92 2024 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 2025}
2026
7eb9855d
AKS		 2027int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2028{
2029 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2030 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 2031 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 2032 int ring;
2033 int ret;
2034
2035 netif_device_detach(netdev);
2036
2037 if (netif_running(netdev))
2038 __qlcnic_down(adapter, netdev);
2039
2040 qlcnic_detach(adapter);
2041
34e8c406 2042 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
79788450 2043 adapter->ahw->diag_test = test;
4be41e92 2044 adapter->ahw->linkup = 0;
7eb9855d
AKS		 2045
2046 ret = qlcnic_attach(adapter);
34ce3626
AKS		 2047 if (ret) {
2048 netif_device_attach(netdev);
7eb9855d 2049 return ret;
34ce3626 2050 }
7eb9855d 2051
8a15ad1f
AKS		 2052 ret = qlcnic_fw_create_ctx(adapter);
2053 if (ret) {
2054 qlcnic_detach(adapter);
57e46248 2055 netif_device_attach(netdev);
8a15ad1f
AKS		 2056 return ret;
2057 }
2058
2059 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 2060 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 2061 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 2062 }
2063
79788450 2064 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2065 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2066 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2067 qlcnic_enable_sds_intr(adapter, sds_ring);
cdaff185 2068 }
7eb9855d 2069 }
22c8c934 2070
79788450 2071 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 2072 adapter->ahw->loopback_state = 0;
2073 qlcnic_linkevent_request(adapter, 1);
2074 }
2075
78ad3892 2076 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 2077
2078 return 0;
2079}
2080
68bf1c68
AKS		 2081/* Reset context in hardware only */
2082static int
2083qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2084{
2085 struct net_device *netdev = adapter->netdev;
2086
2087 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2088 return -EBUSY;
2089
2090 netif_device_detach(netdev);
2091
2092 qlcnic_down(adapter, netdev);
2093
2094 qlcnic_up(adapter, netdev);
2095
2096 netif_device_attach(netdev);
2097
2098 clear_bit(__QLCNIC_RESETTING, &adapter->state);
95b3890a 2099 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
68bf1c68
AKS		 2100 return 0;
2101}
2102
af19b491
AKS		 2103int
2104qlcnic_reset_context(struct qlcnic_adapter *adapter)
2105{
2106 int err = 0;
2107 struct net_device *netdev = adapter->netdev;
2108
2109 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2110 return -EBUSY;
2111
2112 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2113
2114 netif_device_detach(netdev);
2115
2116 if (netif_running(netdev))
2117 __qlcnic_down(adapter, netdev);
2118
2119 qlcnic_detach(adapter);
2120
2121 if (netif_running(netdev)) {
2122 err = qlcnic_attach(adapter);
1d5c88e3 2123 if (!err) {
34ce3626 2124 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 2125 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2126 }
af19b491
AKS		 2127 }
2128
2129 netif_device_attach(netdev);
2130 }
2131
af19b491
AKS		 2132 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2133 return err;
2134}
2135
21041400 2136static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
52e493d0
JK		 2137{
2138 struct qlcnic_hardware_context *ahw = adapter->ahw;
2f514c52 2139 u16 act_pci_fn = ahw->total_nic_func;
52e493d0
JK		 2140 u16 count;
2141
2142 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2143 if (act_pci_fn <= 2)
2144 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2145 act_pci_fn;
2146 else
2147 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2148 act_pci_fn;
2149 ahw->max_uc_count = count;
2150}
2151
f8468331 2152int
5ad6ff9d
SC		 2153qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2154 int pci_using_dac)
af19b491
AKS		 2155{
2156 int err;
2157 struct pci_dev *pdev = adapter->pdev;
2158
13159183 2159 adapter->rx_csum = 1;
79788450 2160 adapter->ahw->mc_enabled = 0;
52e493d0 2161 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2162
2163 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2164 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2165
2166 qlcnic_change_mtu(netdev, netdev->mtu);
2167
d1a1105e
RB		 2168 if (qlcnic_sriov_vf_check(adapter))
2169 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2170 else
2171 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 2172
7e38d04b 2173 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2174 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2175 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2176 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2177 NETIF_F_IPV6_CSUM);
ac8d0c4f 2178
13159183
SC		 2179 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2180 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2181 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2182 }
af19b491 2183
13159183
SC		 2184 if (pci_using_dac) {
2185 netdev->features |= NETIF_F_HIGHDMA;
2186 netdev->vlan_features |= NETIF_F_HIGHDMA;
2187 }
af19b491 2188
13159183 2189 if (qlcnic_vlan_tx_check(adapter))
f646968f 2190 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2191
91b7282b
RB		 2192 if (qlcnic_sriov_vf_check(adapter))
2193 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2194
13159183
SC		 2195 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2196 netdev->features |= NETIF_F_LRO;
135d84a9 2197
7e38d04b 2198 netdev->hw_features = netdev->features;
52e493d0 2199 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2200 netdev->irq = adapter->msix_entries[0].vector;
2201
aa4a1f7d
HM		 2202 err = qlcnic_set_real_num_queues(adapter, netdev);
2203 if (err)
2204 return err;
012ec812 2205
af19b491
AKS		 2206 err = register_netdev(netdev);
2207 if (err) {
2208 dev_err(&pdev->dev, "failed to register net device\n");
2209 return err;
2210 }
2211
1de899d3 2212 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
48365e48 2213
af19b491
AKS		 2214 return 0;
2215}
2216
5ad6ff9d 2217static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2218{
2219 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2220 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2221 *pci_using_dac = 1;
2222 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2223 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2224 *pci_using_dac = 0;
2225 else {
2226 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2227 return -EIO;
2228 }
2229
2230 return 0;
2231}
2232
4be41e92
SC		 2233void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2234{
2235 int ring;
2236 struct qlcnic_host_tx_ring *tx_ring;
2237
34e8c406 2238 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2239 tx_ring = &adapter->tx_ring[ring];
2240 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2241 vfree(tx_ring->cmd_buf_arr);
2242 tx_ring->cmd_buf_arr = NULL;
2243 }
2244 }
2245 if (adapter->tx_ring != NULL)
2246 kfree(adapter->tx_ring);
2247}
2248
2249int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2250 struct net_device *netdev)
2251{
b2adaca9 2252 int ring, vector, index;
4be41e92
SC		 2253 struct qlcnic_host_tx_ring *tx_ring;
2254 struct qlcnic_cmd_buffer *cmd_buf_arr;
2255
34e8c406 2256 tx_ring = kcalloc(adapter->drv_tx_rings,
b2adaca9
JP		 2257 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2258 if (tx_ring == NULL)
4be41e92 2259 return -ENOMEM;
b2adaca9 2260
4be41e92
SC		 2261 adapter->tx_ring = tx_ring;
2262
34e8c406 2263 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2264 tx_ring = &adapter->tx_ring[ring];
2265 tx_ring->num_desc = adapter->num_txd;
2266 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2267 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2268 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2269 qlcnic_free_tx_rings(adapter);
2270 return -ENOMEM;
2271 }
2272 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2273 tx_ring->cmd_buf_arr = cmd_buf_arr;
a02bdd42 2274 spin_lock_init(&tx_ring->tx_clean_lock);
4be41e92
SC		 2275 }
2276
012ec812
HM		 2277 if (qlcnic_83xx_check(adapter) ||
2278 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
34e8c406 2279 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2280 tx_ring = &adapter->tx_ring[ring];
2281 tx_ring->adapter = adapter;
2282 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
34e8c406 2283 index = adapter->drv_sds_rings + ring;
4be41e92
SC		 2284 vector = adapter->msix_entries[index].vector;
2285 tx_ring->irq = vector;
2286 }
2287 }
2288 }
012ec812 2289
4be41e92
SC		 2290 return 0;
2291}
2292
8af3f33d
PP		 2293void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2294{
2295 struct qlcnic_hardware_context *ahw = adapter->ahw;
2296 u32 fw_cmd = 0;
2297
2298 if (qlcnic_82xx_check(adapter))
2299 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2300 else if (qlcnic_83xx_check(adapter))
2301 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2302
d6994ca7 2303 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2304 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2305}
2306
6bb58bb0 2307static int
af19b491
AKS		 2308qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2309{
2310 struct net_device *netdev = NULL;
2311 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2312 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2313 int err, pci_using_dac = -1;
7bc48646 2314 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2315
f8468331
RB		 2316 if (pdev->is_virtfn)
2317 return -ENODEV;
2318
af19b491
AKS		 2319 err = pci_enable_device(pdev);
2320 if (err)
2321 return err;
2322
2323 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2324 err = -ENODEV;
2325 goto err_out_disable_pdev;
2326 }
2327
1bb09fb9
AKS		 2328 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2329 if (err)
2330 goto err_out_disable_pdev;
2331
af19b491
AKS		 2332 err = pci_request_regions(pdev, qlcnic_driver_name);
2333 if (err)
2334 goto err_out_disable_pdev;
2335
2336 pci_set_master(pdev);
451724c8 2337 pci_enable_pcie_error_reporting(pdev);
af19b491 2338
7e2cf4fe 2339 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2340 if (!ahw) {
2341 err = -ENOMEM;
7e2cf4fe 2342 goto err_out_free_res;
02135582 2343 }
7e2cf4fe 2344
f8468331
RB		 2345 switch (ent->device) {
2346 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2347 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2348 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2349 break;
2350 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2351 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2352 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2353 break;
2354 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2355 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2356 qlcnic_sriov_vf_register_map(ahw);
2357 break;
2358 default:
13159183 2359 goto err_out_free_hw_res;
7e2cf4fe
SC		 2360 }
2361
2362 err = qlcnic_setup_pci_map(pdev, ahw);
2363 if (err)
2364 goto err_out_free_hw_res;
2365
012ec812
HM		 2366 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2367 QLCNIC_MAX_TX_RINGS);
af19b491 2368 if (!netdev) {
af19b491 2369 err = -ENOMEM;
7e2cf4fe 2370 goto err_out_iounmap;
af19b491
AKS		 2371 }
2372
2373 SET_NETDEV_DEV(netdev, &pdev->dev);
2374
2375 adapter = netdev_priv(netdev);
2376 adapter->netdev = netdev;
2377 adapter->pdev = pdev;
13159183
SC		 2378 adapter->ahw = ahw;
2379
2380 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2381 if (adapter->qlcnic_wq == NULL) {
02135582 2382 err = -ENOMEM;
13159183
SC		 2383 dev_err(&pdev->dev, "Failed to create workqueue\n");
2384 goto err_out_free_netdev;
2385 }
af19b491 2386
2dfc9671
PST		 2387 err = qlcnic_alloc_adapter_resources(adapter);
2388 if (err)
2b1f18a4 2389 goto err_out_free_wq;
b1fc6d3c
AC		 2390
2391 adapter->dev_rst_time = jiffies;
2f514c52
JK		 2392 ahw->revision_id = pdev->revision;
2393 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
fe1adc6b
JK		 2394 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2395 adapter->fdb_mac_learn = true;
2396 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2397 adapter->drv_mac_learn = true;
af19b491 2398
b1fc6d3c
AC		 2399 rwlock_init(&adapter->ahw->crb_lock);
2400 mutex_init(&adapter->ahw->mem_lock);
af19b491 2401
af19b491
AKS		 2402 INIT_LIST_HEAD(&adapter->mac_list);
2403
14d385b9
SC		 2404 qlcnic_register_dcb(adapter);
2405
7e2cf4fe 2406 if (qlcnic_82xx_check(adapter)) {
13159183 2407 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2408 adapter->portnum = adapter->ahw->pci_func;
2409 err = qlcnic_start_firmware(adapter);
2410 if (err) {
66451615
SC		 2411 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2412 "\t\tIf reboot doesn't help, try flashing the card\n");
2413 goto err_out_maintenance_mode;
7e2cf4fe 2414 }
af19b491 2415
34e8c406
HM		 2416 /* compute and set default and max tx/sds rings */
2417 if (adapter->ahw->msix_supported) {
2418 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2419 qlcnic_set_tx_ring_count(adapter,
2420 QLCNIC_SINGLE_RING);
2421 else
2422 qlcnic_set_tx_ring_count(adapter,
2423 QLCNIC_DEF_TX_RINGS);
2424 qlcnic_set_sds_ring_count(adapter,
2425 QLCNIC_DEF_SDS_RINGS);
2426 } else {
2427 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2428 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
012ec812
HM		 2429 }
2430
7e2cf4fe
SC		 2431 err = qlcnic_setup_idc_param(adapter);
2432 if (err)
2433 goto err_out_free_hw;
b0044bcf 2434
7e2cf4fe 2435 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2436
13159183
SC		 2437 } else if (qlcnic_83xx_check(adapter)) {
2438 qlcnic_83xx_check_vf(adapter, ent);
2439 adapter->portnum = adapter->ahw->pci_func;
f8468331 2440 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac 2441 if (err) {
78ea2d97
SC		 2442 switch (err) {
2443 case -ENOTRECOVERABLE:
2444 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n");
2445 dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n");
2446 goto err_out_free_hw;
2447 case -ENOMEM:
2448 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2449 goto err_out_free_hw;
2450 default:
2451 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2452 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2453 goto err_out_maintenance_mode;
2454 }
629263ac 2455 }
78ea2d97 2456
f8468331
RB		 2457 if (qlcnic_sriov_vf_check(adapter))
2458 return 0;
13159183
SC		 2459 } else {
2460 dev_err(&pdev->dev,
2461 "%s: failed. Please Reboot\n", __func__);
2462 goto err_out_free_hw;
a7fc948f 2463 }
af19b491 2464
3c44bba1
SC		 2465 qlcnic_dcb_enable(adapter->dcb);
2466
da48e6c3
RB		 2467 if (qlcnic_read_mac_addr(adapter))
2468 dev_warn(&pdev->dev, "failed to read mac addr\n");
2469
07a251c8
SS		 2470 qlcnic_read_phys_port_id(adapter);
2471
da48e6c3 2472 if (adapter->portnum == 0) {
22999798 2473 qlcnic_get_board_name(adapter, board_name);
13159183 2474
da48e6c3 2475 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2476 module_name(THIS_MODULE),
2477 board_name, adapter->ahw->revision_id);
da48e6c3 2478 }
460374f7
HM		 2479
2480 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2481 !!qlcnic_use_msi)
2482 dev_warn(&pdev->dev,
01b91f4c 2483 "Device does not support MSI interrupts\n");
460374f7 2484
068a8d19 2485 if (qlcnic_82xx_check(adapter)) {
34e8c406 2486 err = qlcnic_setup_intr(adapter);
068a8d19
MC		 2487 if (err) {
2488 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2489 goto err_out_disable_msi;
068a8d19 2490 }
13159183 2491 }
af19b491 2492
02135582
SC		 2493 err = qlcnic_get_act_pci_func(adapter);
2494 if (err)
2495 goto err_out_disable_mbx_intr;
2496
1bb09fb9 2497 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2498 if (err)
7e2cf4fe 2499 goto err_out_disable_mbx_intr;
af19b491 2500
24866d15
HM		 2501 if (adapter->portnum == 0)
2502 qlcnic_set_drv_version(adapter);
c84e340a 2503
af19b491
AKS		 2504 pci_set_drvdata(pdev, adapter);
2505
97ee45eb
SC		 2506 if (qlcnic_82xx_check(adapter))
2507 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2508 FW_POLL_DELAY);
af19b491 2509
b1fc6d3c 2510 switch (adapter->ahw->port_type) {
af19b491
AKS		 2511 case QLCNIC_GBE:
2512 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2513 adapter->netdev->name);
2514 break;
2515 case QLCNIC_XGBE:
2516 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2517 adapter->netdev->name);
2518 break;
2519 }
2520
fe1adc6b 2521 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2522 qlcnic_alloc_lb_filters_mem(adapter);
2523
7e2cf4fe 2524 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2525
2526 return 0;
2527
7e2cf4fe 2528err_out_disable_mbx_intr:
7dd90cf1 2529 if (qlcnic_83xx_check(adapter))
13159183 2530 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2531
af19b491
AKS		 2532err_out_disable_msi:
2533 qlcnic_teardown_intr(adapter);
7e2cf4fe 2534 qlcnic_cancel_idc_work(adapter);
21854f02 2535 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2536
b1fc6d3c
AC		 2537err_out_free_hw:
2538 qlcnic_free_adapter_resources(adapter);
2539
2b1f18a4
WY		 2540err_out_free_wq:
2541 destroy_workqueue(adapter->qlcnic_wq);
2542
af19b491
AKS		 2543err_out_free_netdev:
2544 free_netdev(netdev);
2545
7e2cf4fe 2546err_out_iounmap:
f1a094a8 2547 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2548
2549err_out_free_hw_res:
2550 kfree(ahw);
2551
af19b491
AKS		 2552err_out_free_res:
2553 pci_release_regions(pdev);
2554
2555err_out_disable_pdev:
af19b491
AKS		 2556 pci_disable_device(pdev);
2557 return err;
66451615
SC		 2558
2559err_out_maintenance_mode:
78ea2d97 2560 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615
SC		 2561 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2562 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
78ea2d97
SC		 2563 ahw->port_type = QLCNIC_XGBE;
2564
2565 if (qlcnic_83xx_check(adapter))
2566 adapter->tgt_status_reg = NULL;
2567 else
2568 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2569
66451615
SC		 2570 err = register_netdev(netdev);
2571
2572 if (err) {
2573 dev_err(&pdev->dev, "Failed to register net device\n");
2574 qlcnic_clr_all_drv_state(adapter, 0);
2575 goto err_out_free_hw;
2576 }
2577
2578 pci_set_drvdata(pdev, adapter);
2579 qlcnic_add_sysfs(adapter);
2580
2581 return 0;
af19b491
AKS		 2582}
2583
6bb58bb0 2584static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2585{
2586 struct qlcnic_adapter *adapter;
2587 struct net_device *netdev;
13159183 2588 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2589
2590 adapter = pci_get_drvdata(pdev);
2591 if (adapter == NULL)
2592 return;
2593
2594 netdev = adapter->netdev;
02feda17 2595 qlcnic_sriov_pf_disable(adapter);
af19b491 2596
13159183
SC		 2597 qlcnic_cancel_idc_work(adapter);
2598 ahw = adapter->ahw;
af19b491
AKS		 2599
2600 unregister_netdev(netdev);
02feda17 2601 qlcnic_sriov_cleanup(adapter);
af19b491 2602
13159183 2603 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 2604 qlcnic_83xx_initialize_nic(adapter, 0);
3d73b5fd 2605 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2606 qlcnic_83xx_free_mbx_intr(adapter);
2607 qlcnic_83xx_detach_mailbox_work(adapter);
2608 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2609 kfree(ahw->fw_info);
13159183
SC		 2610 }
2611
3720bf79
SC		 2612 qlcnic_dcb_free(adapter->dcb);
2613
af19b491
AKS		 2614 qlcnic_detach(adapter);
2615
2e9d722d
AC		 2616 if (adapter->npars != NULL)
2617 kfree(adapter->npars);
2618 if (adapter->eswitch != NULL)
2619 kfree(adapter->eswitch);
2620
97ee45eb
SC		 2621 if (qlcnic_82xx_check(adapter))
2622 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2623
2624 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2625
b5e5492c
AKS		 2626 qlcnic_free_lb_filters_mem(adapter);
2627
af19b491
AKS		 2628 qlcnic_teardown_intr(adapter);
2629
13159183 2630 qlcnic_remove_sysfs(adapter);
af19b491 2631
f1a094a8 2632 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2633
2634 qlcnic_release_firmware(adapter);
2635
451724c8 2636 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2637 pci_release_regions(pdev);
2638 pci_disable_device(pdev);
af19b491 2639
13159183
SC		 2640 if (adapter->qlcnic_wq) {
2641 destroy_workqueue(adapter->qlcnic_wq);
2642 adapter->qlcnic_wq = NULL;
2643 }
14d385b9 2644
b1fc6d3c 2645 qlcnic_free_adapter_resources(adapter);
13159183 2646 kfree(ahw);
af19b491
AKS		 2647 free_netdev(netdev);
2648}
af19b491
AKS		 2649
2650static void qlcnic_shutdown(struct pci_dev *pdev)
2651{
2652 if (__qlcnic_shutdown(pdev))
2653 return;
2654
2655 pci_disable_device(pdev);
2656}
2657
2658#ifdef CONFIG_PM
486a5bc7 2659static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2660{
2661 int retval;
2662
2663 retval = __qlcnic_shutdown(pdev);
2664 if (retval)
2665 return retval;
2666
2667 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2668 return 0;
2669}
2670
486a5bc7 2671static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2672{
2673 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2674 int err;
2675
2676 err = pci_enable_device(pdev);
2677 if (err)
2678 return err;
2679
2680 pci_set_power_state(pdev, PCI_D0);
2681 pci_set_master(pdev);
2682 pci_restore_state(pdev);
2683
486a5bc7 2684 return __qlcnic_resume(adapter);
af19b491
AKS		 2685}
2686#endif
2687
2688static int qlcnic_open(struct net_device *netdev)
2689{
2690 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2691 int err;
2692
78ea2d97
SC		 2693 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2694 netdev_err(netdev, "%s: Device is in non-operational state\n",
2695 __func__);
66451615
SC		 2696
2697 return -EIO;
2698 }
2699
c55ad8e5
AKS		 2700 netif_carrier_off(netdev);
2701
af19b491
AKS		 2702 err = qlcnic_attach(adapter);
2703 if (err)
2704 return err;
2705
2706 err = __qlcnic_up(adapter, netdev);
2707 if (err)
060d0564 2708 qlcnic_detach(adapter);
af19b491 2709
af19b491
AKS		 2710 return err;
2711}
2712
2713/*
2714 * qlcnic_close - Disables a network interface entry point
2715 */
2716static int qlcnic_close(struct net_device *netdev)
2717{
2718 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2719
2720 __qlcnic_down(adapter, netdev);
13159183 2721
af19b491
AKS		 2722 return 0;
2723}
2724
e5dcf6dc 2725void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2726{
2727 void *head;
2728 int i;
13159183
SC		 2729 struct net_device *netdev = adapter->netdev;
2730 u32 filter_size = 0;
2731 u16 act_pci_func = 0;
b5e5492c 2732
e5dcf6dc 2733 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2734 return;
2735
2f514c52 2736 act_pci_func = adapter->ahw->total_nic_func;
b5e5492c 2737 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2738 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2739
13159183
SC		 2740 if (qlcnic_82xx_check(adapter)) {
2741 filter_size = QLCNIC_LB_MAX_FILTERS;
2742 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2743 } else {
2744 filter_size = QLC_83XX_LB_MAX_FILTERS;
2745 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2746 }
2747
2748 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2749 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2750
b5e5492c
AKS		 2751 if (!head)
2752 return;
2753
13159183 2754 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2755 adapter->fhash.fhead = head;
b5e5492c 2756
13159183
SC		 2757 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2758 act_pci_func, adapter->fhash.fmax);
2759
2760 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2761 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2762
2763 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2764
2765 head = kcalloc(adapter->rx_fhash.fbucket_size,
2766 sizeof(struct hlist_head), GFP_ATOMIC);
2767
2768 if (!head)
2769 return;
2770
2771 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2772 adapter->rx_fhash.fhead = head;
2773
2774 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2775 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2776}
2777
2778static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2779{
2780 if (adapter->fhash.fmax && adapter->fhash.fhead)
2781 kfree(adapter->fhash.fhead);
2782
2783 adapter->fhash.fhead = NULL;
2784 adapter->fhash.fmax = 0;
53643a75
SS		 2785
2786 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2787 kfree(adapter->rx_fhash.fhead);
2788
2789 adapter->rx_fhash.fmax = 0;
2790 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2791}
2792
629263ac 2793int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2794{
2795 struct net_device *netdev = adapter->netdev;
97ee45eb 2796 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2797 int rv = 0;
2798
13159183
SC		 2799 if (qlcnic_83xx_check(adapter))
2800 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2801
97ee45eb 2802 if (qlcnic_82xx_check(adapter))
a15ebd37 2803 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2804
2805 temp_state = qlcnic_get_temp_state(temp);
2806 temp_val = qlcnic_get_temp_val(temp);
2807
2808 if (temp_state == QLCNIC_TEMP_PANIC) {
2809 dev_err(&netdev->dev,
2810 "Device temperature %d degrees C exceeds"
2811 " maximum allowed. Hardware has been shut down.\n",
2812 temp_val);
2813 rv = 1;
2814 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2815 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2816 dev_err(&netdev->dev,
2817 "Device temperature %d degrees C "
2818 "exceeds operating range."
2819 " Immediate action needed.\n",
2820 temp_val);
2821 }
2822 } else {
79788450 2823 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2824 dev_info(&netdev->dev,
2825 "Device temperature is now %d degrees C"
2826 " in normal range.\n", temp_val);
2827 }
2828 }
79788450 2829 adapter->ahw->temp = temp_state;
af19b491
AKS		 2830 return rv;
2831}
2832
95b3890a 2833static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
af19b491 2834{
95b3890a
HM		 2835 int i;
2836 struct cmd_desc_type0 *tx_desc_info;
2837
2838 for (i = 0; i < tx_ring->num_desc; i++) {
2839 tx_desc_info = &tx_ring->desc_head[i];
2840 pr_info("TX Desc: %d\n", i);
2841 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2842 &tx_ring->desc_head[i],
2843 sizeof(struct cmd_desc_type0), true);
2844 }
2845}
2846
2847static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2848{
2849 struct net_device *netdev = adapter->netdev;
012ec812
HM		 2850 struct qlcnic_host_tx_ring *tx_ring;
2851 int ring;
af19b491 2852
95b3890a
HM		 2853 if (!netdev || !netif_running(netdev))
2854 return;
2855
2856 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2857 tx_ring = &adapter->tx_ring[ring];
2858 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2859 ring, tx_ring->ctx_id);
2860 netdev_info(netdev,
2861 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2862 tx_ring->tx_stats.xmit_finished,
2863 tx_ring->tx_stats.xmit_called,
2864 tx_ring->tx_stats.xmit_on,
2865 tx_ring->tx_stats.xmit_off);
2866 netdev_info(netdev,
2867 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2868 readl(tx_ring->crb_intr_mask),
2869 readl(tx_ring->crb_cmd_producer),
2870 tx_ring->producer, tx_ring->sw_consumer,
2871 le32_to_cpu(*(tx_ring->hw_consumer)));
2872
2873 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2874 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2875
2876 if (netif_msg_tx_done(adapter->ahw))
2877 dump_tx_ring_desc(tx_ring);
2878 }
2879}
2880
2881static void qlcnic_tx_timeout(struct net_device *netdev)
2882{
2883 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2884
af19b491
AKS		 2885 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2886 return;
2887
536faa61
SC		 2888 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2889 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2890 if (qlcnic_82xx_check(adapter))
2891 adapter->need_fw_reset = 1;
2892 else if (qlcnic_83xx_check(adapter))
2893 qlcnic_83xx_idc_request_reset(adapter,
2894 QLCNIC_FORCE_FW_DUMP_KEY);
2895 } else {
2896 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
95b3890a 2897 qlcnic_dump_tx_rings(adapter);
79788450 2898 adapter->ahw->reset_context = 1;
536faa61 2899 }
af19b491
AKS		 2900}
2901
2902static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2903{
2904 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2905 struct net_device_stats *stats = &netdev->stats;
2906
1ac6762a
MC		 2907 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2908 qlcnic_update_stats(adapter);
2909
af19b491
AKS		 2910 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2911 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2912 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2913 stats->tx_bytes = adapter->stats.txbytes;
2914 stats->rx_dropped = adapter->stats.rxdropped;
2915 stats->tx_dropped = adapter->stats.txdropped;
2916
2917 return stats;
2918}
2919
21041400 2920static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2921{
af19b491
AKS		 2922 u32 status;
2923
2924 status = readl(adapter->isr_int_vec);
2925
79788450 2926 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2927 return IRQ_NONE;
2928
2929 /* check interrupt state machine, to be sure */
2930 status = readl(adapter->crb_int_state_reg);
2931 if (!ISR_LEGACY_INT_TRIGGERED(status))
2932 return IRQ_NONE;
2933
2934 writel(0xffffffff, adapter->tgt_status_reg);
2935 /* read twice to ensure write is flushed */
2936 readl(adapter->isr_int_vec);
2937 readl(adapter->isr_int_vec);
2938
7eb9855d
AKS		 2939 return IRQ_HANDLED;
2940}
2941
2942static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2943{
2944 struct qlcnic_host_sds_ring *sds_ring = data;
2945 struct qlcnic_adapter *adapter = sds_ring->adapter;
2946
2947 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2948 goto done;
2949 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2950 writel(0xffffffff, adapter->tgt_status_reg);
2951 goto done;
2952 }
2953
2954 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2955 return IRQ_NONE;
2956
2957done:
79788450 2958 adapter->ahw->diag_cnt++;
2cc5752e 2959 qlcnic_enable_sds_intr(adapter, sds_ring);
7eb9855d
AKS		 2960 return IRQ_HANDLED;
2961}
2962
2963static irqreturn_t qlcnic_intr(int irq, void *data)
2964{
2965 struct qlcnic_host_sds_ring *sds_ring = data;
2966 struct qlcnic_adapter *adapter = sds_ring->adapter;
2967
2968 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2969 return IRQ_NONE;
2970
af19b491
AKS		 2971 napi_schedule(&sds_ring->napi);
2972
2973 return IRQ_HANDLED;
2974}
2975
2976static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2977{
2978 struct qlcnic_host_sds_ring *sds_ring = data;
2979 struct qlcnic_adapter *adapter = sds_ring->adapter;
2980
2981 /* clear interrupt */
2982 writel(0xffffffff, adapter->tgt_status_reg);
2983
2984 napi_schedule(&sds_ring->napi);
2985 return IRQ_HANDLED;
2986}
2987
2988static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2989{
2990 struct qlcnic_host_sds_ring *sds_ring = data;
2991
2992 napi_schedule(&sds_ring->napi);
2993 return IRQ_HANDLED;
2994}
2995
13159183
SC		 2996static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2997{
2998 struct qlcnic_host_tx_ring *tx_ring = data;
2999
3000 napi_schedule(&tx_ring->napi);
3001 return IRQ_HANDLED;
3002}
3003
af19b491
AKS		 3004#ifdef CONFIG_NET_POLL_CONTROLLER
3005static void qlcnic_poll_controller(struct net_device *netdev)
3006{
3007 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2b018ad9
M		 3008 struct qlcnic_host_sds_ring *sds_ring;
3009 struct qlcnic_recv_context *recv_ctx;
3010 struct qlcnic_host_tx_ring *tx_ring;
3011 int ring;
3012
3013 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3014 return;
3015
3016 recv_ctx = adapter->recv_ctx;
bf82791e 3017
34e8c406 3018 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
bf82791e 3019 sds_ring = &recv_ctx->sds_rings[ring];
2b018ad9
M		 3020 qlcnic_disable_sds_intr(adapter, sds_ring);
3021 napi_schedule(&sds_ring->napi);
3022 }
3023
3024 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3025 /* Only Multi-Tx queue capable devices need to
3026 * schedule NAPI for TX rings
3027 */
3028 if ((qlcnic_83xx_check(adapter) &&
3029 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3030 (qlcnic_82xx_check(adapter) &&
3031 !qlcnic_check_multi_tx(adapter)))
3032 return;
3033
3034 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3035 tx_ring = &adapter->tx_ring[ring];
3036 qlcnic_disable_tx_intr(adapter, tx_ring);
3037 napi_schedule(&tx_ring->napi);
3038 }
bf82791e 3039 }
af19b491
AKS		 3040}
3041#endif
3042
6df900e9
SC		 3043static void
3044qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3045{
3046 u32 val;
3047
3048 val = adapter->portnum & 0xf;
3049 val |= encoding << 7;
3050 val |= (jiffies - adapter->dev_rst_time) << 8;
3051
a15ebd37 3052 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 3053 adapter->dev_rst_time = jiffies;
3054}
3055
ade91f8e
AKS		 3056static int
3057qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 3058{
3059 u32 val;
3060
3061 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3062 state != QLCNIC_DEV_NEED_QUISCENT);
3063
3064 if (qlcnic_api_lock(adapter))
ade91f8e 3065 return -EIO;
af19b491 3066
a15ebd37 3067 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 3068
3069 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 3070 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 3071 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 3072 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 3073
a15ebd37 3074 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3075
3076 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 3077
3078 return 0;
af19b491
AKS		 3079}
3080
1b95a839
AKS		 3081static int
3082qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3083{
3084 u32 val;
3085
3086 if (qlcnic_api_lock(adapter))
3087 return -EBUSY;
3088
a15ebd37 3089 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3090 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3091 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 3092
3093 qlcnic_api_unlock(adapter);
3094
3095 return 0;
3096}
3097
486a5bc7 3098void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 3099{
3100 u32 val;
3101
3102 if (qlcnic_api_lock(adapter))
3103 goto err;
3104
a15ebd37 3105 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 3106 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 3107 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 3108
21854f02 3109 if (failed) {
a15ebd37
HM		 3110 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3111 QLCNIC_DEV_FAILED);
21854f02
AKS		 3112 dev_info(&adapter->pdev->dev,
3113 "Device state set to Failed. Please Reboot\n");
3114 } else if (!(val & 0x11111111))
a15ebd37
HM		 3115 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3116 QLCNIC_DEV_COLD);
af19b491 3117
a15ebd37 3118 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3119 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3120 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3121
3122 qlcnic_api_unlock(adapter);
3123err:
3124 adapter->fw_fail_cnt = 0;
032a13c7 3125 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 3126 clear_bit(__QLCNIC_START_FW, &adapter->state);
3127 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3128}
3129
f73dfc50 3130/* Grab api lock, before checking state */
af19b491
AKS		 3131static int
3132qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3133{
602ca6f0 3134 int act, state, active_mask;
a15ebd37 3135 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 3136
a15ebd37
HM		 3137 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3138 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 3139
602ca6f0 3140 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 3141 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 3142 act = act & active_mask;
3143 }
3144
af19b491
AKS		 3145 if (((state & 0x11111111) == (act & 0x11111111)) ||
3146 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3147 return 0;
3148 else
3149 return 1;
3150}
3151
96f8118c
SC		 3152static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3153{
a15ebd37 3154 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 3155
3156 if (val != QLCNIC_DRV_IDC_VER) {
3157 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3158 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3159 }
3160
3161 return 0;
3162}
3163
af19b491
AKS		 3164static int
3165qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3166{
3167 u32 val, prev_state;
aa5e18c0 3168 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 3169 u8 portnum = adapter->portnum;
96f8118c 3170 u8 ret;
af19b491 3171
f73dfc50
AKS		 3172 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3173 return 1;
3174
af19b491
AKS		 3175 if (qlcnic_api_lock(adapter))
3176 return -1;
3177
a15ebd37 3178 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 3179 if (!(val & (1 << (portnum * 4)))) {
3180 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 3181 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3182 }
3183
a15ebd37 3184 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3185 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3186
3187 switch (prev_state) {
3188 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3189 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3190 QLCNIC_DEV_INITIALIZING);
3191 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3192 QLCNIC_DRV_IDC_VER);
6df900e9 3193 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3194 qlcnic_api_unlock(adapter);
3195 return 1;
3196
3197 case QLCNIC_DEV_READY:
96f8118c 3198 ret = qlcnic_check_idc_ver(adapter);
af19b491 3199 qlcnic_api_unlock(adapter);
96f8118c 3200 return ret;
af19b491
AKS		 3201
3202 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3203 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3204 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3205 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3206 break;
3207
3208 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3209 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3210 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3211 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3212 break;
3213
3214 case QLCNIC_DEV_FAILED:
a7fc948f 3215 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3216 qlcnic_api_unlock(adapter);
3217 return -1;
bbd8c6a4
AKS		 3218
3219 case QLCNIC_DEV_INITIALIZING:
3220 case QLCNIC_DEV_QUISCENT:
3221 break;
af19b491
AKS		 3222 }
3223
3224 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3225
3226 do {
af19b491 3227 msleep(1000);
a15ebd37 3228 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3229
3230 if (prev_state == QLCNIC_DEV_QUISCENT)
3231 continue;
3232 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3233
65b5b420
AKS		 3234 if (!dev_init_timeo) {
3235 dev_err(&adapter->pdev->dev,
3236 "Waiting for device to initialize timeout\n");
af19b491 3237 return -1;
65b5b420 3238 }
af19b491
AKS		 3239
3240 if (qlcnic_api_lock(adapter))
3241 return -1;
3242
a15ebd37 3243 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3244 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3245 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3246
96f8118c 3247 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3248 qlcnic_api_unlock(adapter);
3249
96f8118c 3250 return ret;
af19b491
AKS		 3251}
3252
3253static void
3254qlcnic_fwinit_work(struct work_struct *work)
3255{
3256 struct qlcnic_adapter *adapter = container_of(work,
3257 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3258 u32 dev_state = 0xf;
7b749ff4 3259 u32 val;
af19b491 3260
f73dfc50
AKS		 3261 if (qlcnic_api_lock(adapter))
3262 goto err_ret;
af19b491 3263
a15ebd37 3264 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3265 if (dev_state == QLCNIC_DEV_QUISCENT ||
3266 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3267 qlcnic_api_unlock(adapter);
3268 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3269 FW_POLL_DELAY * 2);
3270 return;
3271 }
3272
79788450 3273 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3274 qlcnic_api_unlock(adapter);
3275 goto wait_npar;
9f26f547
AC		 3276 }
3277
16e3cf73
SV		 3278 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3279 dev_state == QLCNIC_DEV_READY) {
3280 dev_info(&adapter->pdev->dev, "Detected state change from "
3281 "DEV_NEED_RESET, skipping ack check\n");
3282 goto skip_ack_check;
3283 }
3284
f73dfc50 3285 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3286 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3287 adapter->reset_ack_timeo);
3288 goto skip_ack_check;
3289 }
3290
3291 if (!qlcnic_check_drv_state(adapter)) {
3292skip_ack_check:
a15ebd37 3293 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3294
f73dfc50 3295 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3296 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3297 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3298 set_bit(__QLCNIC_START_FW, &adapter->state);
3299 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3300 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3301 val = QLC_SHARED_REG_RD32(adapter,
3302 QLCNIC_CRB_DRV_STATE);
7b749ff4 3303 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3304 QLC_SHARED_REG_WR32(adapter,
3305 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3306 }
3307
f73dfc50
AKS		 3308 qlcnic_api_unlock(adapter);
3309
287e38aa 3310 rtnl_lock();
890b6e02 3311 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3312 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3313 QLCDB(adapter, DRV, "Take FW dump\n");
3314 qlcnic_dump_fw(adapter);
032a13c7 3315 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3316 }
287e38aa 3317 rtnl_unlock();
7b749ff4
SV		 3318
3319 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3320 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3321 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3322 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3323 return;
3324 }
af19b491
AKS		 3325 goto err_ret;
3326 }
3327
f73dfc50 3328 qlcnic_api_unlock(adapter);
aa5e18c0 3329
9f26f547 3330wait_npar:
a15ebd37 3331 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3332 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3333
af19b491 3334 switch (dev_state) {
3c4b23b1 3335 case QLCNIC_DEV_READY:
7e2cf4fe 3336 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3337 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3338 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3339 return;
3340 }
3c4b23b1
AKS		 3341 case QLCNIC_DEV_FAILED:
3342 break;
3343 default:
3344 qlcnic_schedule_work(adapter,
3345 qlcnic_fwinit_work, FW_POLL_DELAY);
3346 return;
af19b491
AKS		 3347 }
3348
3349err_ret:
f73dfc50
AKS		 3350 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3351 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3352 netif_device_attach(adapter->netdev);
21854f02 3353 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3354}
3355
3356static void
3357qlcnic_detach_work(struct work_struct *work)
3358{
3359 struct qlcnic_adapter *adapter = container_of(work,
3360 struct qlcnic_adapter, fw_work.work);
3361 struct net_device *netdev = adapter->netdev;
3362 u32 status;
3363
3364 netif_device_detach(netdev);
3365
b8c17620
AKS		 3366 /* Dont grab rtnl lock during Quiscent mode */
3367 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3368 if (netif_running(netdev))
3369 __qlcnic_down(adapter, netdev);
3370 } else
3371 qlcnic_down(adapter, netdev);
af19b491 3372
a15ebd37 3373 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3374
44f65b29
SC		 3375 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3376 dev_err(&adapter->pdev->dev,
3377 "Detaching the device: peg halt status1=0x%x\n",
3378 status);
3379
3380 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3381 dev_err(&adapter->pdev->dev,
3382 "On board active cooling fan failed. "
3383 "Device has been halted.\n");
3384 dev_err(&adapter->pdev->dev,
3385 "Replace the adapter.\n");
3386 }
3387
af19b491 3388 goto err_ret;
44f65b29 3389 }
af19b491 3390
79788450 3391 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3392 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3393 adapter->ahw->temp);
af19b491 3394 goto err_ret;
44f65b29
SC		 3395 }
3396
602ca6f0
SV		 3397 /* Dont ack if this instance is the reset owner */
3398 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3399 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3400 dev_err(&adapter->pdev->dev,
3401 "Failed to set driver state,"
3402 "detaching the device.\n");
602ca6f0 3403 goto err_ret;
44f65b29 3404 }
602ca6f0 3405 }
af19b491
AKS		 3406
3407 adapter->fw_wait_cnt = 0;
3408
3409 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3410
3411 return;
3412
3413err_ret:
34ce3626 3414 netif_device_attach(netdev);
21854f02 3415 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3416}
3417
3c4b23b1
AKS		 3418/*Transit NPAR state to NON Operational */
3419static void
3420qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3421{
3422 u32 state;
3423
a15ebd37 3424 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3425 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3426 return;
3427
3428 if (qlcnic_api_lock(adapter))
3429 return;
a15ebd37
HM		 3430 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3431 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3432 qlcnic_api_unlock(adapter);
3433}
3434
21041400 3435static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3436 u32 key)
af19b491 3437{
646779f1
SV		 3438 u32 state, xg_val = 0, gb_val = 0;
3439
3440 qlcnic_xg_set_xg0_mask(xg_val);
3441 qlcnic_xg_set_xg1_mask(xg_val);
3442 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3443 qlcnic_gb_set_gb0_mask(gb_val);
3444 qlcnic_gb_set_gb1_mask(gb_val);
3445 qlcnic_gb_set_gb2_mask(gb_val);
3446 qlcnic_gb_set_gb3_mask(gb_val);
3447 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3448 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3449 " on all ports\n");
cea8975e 3450 adapter->need_fw_reset = 1;
13159183 3451
af19b491
AKS		 3452 if (qlcnic_api_lock(adapter))
3453 return;
3454
13159183 3455 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3456
3457 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3458 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3459 __func__);
3460 qlcnic_api_unlock(adapter);
3461
3462 return;
3463 }
af19b491 3464
f73dfc50 3465 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3466 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3467 QLCNIC_DEV_NEED_RESET);
602ca6f0 3468 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3469 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3470 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3471 }
3472
13159183
SC		 3473 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3474 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3475 qlcnic_api_unlock(adapter);
3476}
3477
9f26f547
AC		 3478/* Transit to NPAR READY state from NPAR NOT READY state */
3479static void
3480qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3481{
9f26f547
AC		 3482 if (qlcnic_api_lock(adapter))
3483 return;
3484
a15ebd37
HM		 3485 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3486 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3487 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3488
3489 qlcnic_api_unlock(adapter);
3490}
3491
13159183
SC		 3492void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3493 work_func_t func, int delay)
af19b491 3494{
451724c8
SC		 3495 if (test_bit(__QLCNIC_AER, &adapter->state))
3496 return;
3497
af19b491 3498 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3499 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3500 round_jiffies_relative(delay));
af19b491
AKS		 3501}
3502
3503static void
3504qlcnic_attach_work(struct work_struct *work)
3505{
3506 struct qlcnic_adapter *adapter = container_of(work,
3507 struct qlcnic_adapter, fw_work.work);
3508 struct net_device *netdev = adapter->netdev;
b18971d1 3509 u32 npar_state;
af19b491 3510
79788450 3511 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3512 npar_state = QLC_SHARED_REG_RD32(adapter,
3513 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3514 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3515 qlcnic_clr_all_drv_state(adapter, 0);
3516 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3517 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3518 FW_POLL_DELAY);
3519 else
3520 goto attach;
3521 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3522 return;
3523 }
3524attach:
1de899d3 3525 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3526
af19b491 3527 if (netif_running(netdev)) {
52486a3a 3528 if (qlcnic_up(adapter, netdev))
af19b491 3529 goto done;
af19b491 3530
aec1e845 3531 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3532 }
3533
af19b491 3534done:
34ce3626 3535 netif_device_attach(netdev);
af19b491 3536 adapter->fw_fail_cnt = 0;
032a13c7 3537 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3538 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3539 if (adapter->portnum == 0)
3540 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3541
3542 if (!qlcnic_clr_drv_state(adapter))
3543 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3544 FW_POLL_DELAY);
af19b491
AKS		 3545}
3546
3547static int
3548qlcnic_check_health(struct qlcnic_adapter *adapter)
3549{
891e71b1
PP		 3550 struct qlcnic_hardware_context *ahw = adapter->ahw;
3551 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3552 u32 state = 0, heartbeat;
853d4bca 3553 u32 peg_status;
4bd8e738 3554 int err = 0;
af19b491
AKS		 3555
3556 if (qlcnic_check_temp(adapter))
3557 goto detach;
3558
2372a5f1 3559 if (adapter->need_fw_reset)
7e2cf4fe 3560 qlcnic_dev_request_reset(adapter, 0);
af19b491 3561
a15ebd37 3562 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3563 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3564 qlcnic_set_npar_non_operational(adapter);
af19b491 3565 adapter->need_fw_reset = 1;
b8c17620
AKS		 3566 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3567 goto detach;
af19b491 3568
a15ebd37 3569 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3570 if (heartbeat != adapter->heartbeat) {
3571 adapter->heartbeat = heartbeat;
af19b491
AKS		 3572 adapter->fw_fail_cnt = 0;
3573 if (adapter->need_fw_reset)
3574 goto detach;
68bf1c68 3575
891e71b1 3576 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3577 qlcnic_reset_hw_context(adapter);
68bf1c68 3578
af19b491
AKS		 3579 return 0;
3580 }
3581
3582 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3583 return 0;
3584
032a13c7
SV		 3585 adapter->flags |= QLCNIC_FW_HANG;
3586
7e2cf4fe 3587 qlcnic_dev_request_reset(adapter, 0);
af19b491 3588
099f7aa7 3589 if (qlcnic_auto_fw_reset)
0df170b6 3590 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3591
853d4bca 3592 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3593 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3594 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3595 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3596 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3597 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3598 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3599 peg_status,
3600 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3601 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3602 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3603 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3604 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3605 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3606 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3607 dev_err(&adapter->pdev->dev,
3608 "Firmware aborted with error code 0x00006700. "
3609 "Device is being reset.\n");
af19b491
AKS		 3610detach:
3611 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3612 QLCNIC_DEV_NEED_RESET;
3613
099f7aa7
SC		 3614 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3615 &adapter->state)) {
65b5b420 3616
af19b491 3617 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3618 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3619 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3620 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3621 qlcnic_dump_fw(adapter);
65b5b420 3622 }
af19b491
AKS		 3623
3624 return 1;
3625}
3626
486a5bc7 3627void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3628{
3629 struct qlcnic_adapter *adapter = container_of(work,
3630 struct qlcnic_adapter, fw_work.work);
3631
3632 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3633 goto reschedule;
3634
3635
3636 if (qlcnic_check_health(adapter))
3637 return;
3638
b5e5492c
AKS		 3639 if (adapter->fhash.fnum)
3640 qlcnic_prune_lb_filters(adapter);
3641
af19b491
AKS		 3642reschedule:
3643 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3644}
3645
451724c8
SC		 3646static int qlcnic_is_first_func(struct pci_dev *pdev)
3647{
3648 struct pci_dev *oth_pdev;
3649 int val = pdev->devfn;
3650
3651 while (val-- > 0) {
3652 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3653 (pdev->bus), pdev->bus->number,
3654 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3655 if (!oth_pdev)
3656 continue;
451724c8 3657
bfc978fa
AKS		 3658 if (oth_pdev->current_state != PCI_D3cold) {
3659 pci_dev_put(oth_pdev);
451724c8 3660 return 0;
bfc978fa
AKS		 3661 }
3662 pci_dev_put(oth_pdev);
451724c8
SC		 3663 }
3664 return 1;
3665}
3666
3667static int qlcnic_attach_func(struct pci_dev *pdev)
3668{
3669 int err, first_func;
3670 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3671 struct net_device *netdev = adapter->netdev;
3672
3673 pdev->error_state = pci_channel_io_normal;
3674
3675 err = pci_enable_device(pdev);
3676 if (err)
3677 return err;
3678
451724c8
SC		 3679 pci_set_master(pdev);
3680 pci_restore_state(pdev);
3681
3682 first_func = qlcnic_is_first_func(pdev);
3683
3684 if (qlcnic_api_lock(adapter))
3685 return -EINVAL;
3686
79788450 3687 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3688 adapter->need_fw_reset = 1;
3689 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3690 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3691 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3692 QLCDB(adapter, DRV, "Restarting fw\n");
3693 }
3694 qlcnic_api_unlock(adapter);
3695
13159183 3696 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3697 if (err)
3698 return err;
3699
3700 qlcnic_clr_drv_state(adapter);
13159183
SC		 3701 kfree(adapter->msix_entries);
3702 adapter->msix_entries = NULL;
34e8c406 3703 err = qlcnic_setup_intr(adapter);
13159183 3704
9a97e705
M		 3705 if (err) {
3706 kfree(adapter->msix_entries);
3707 netdev_err(netdev, "failed to setup interrupt\n");
3708 return err;
3709 }
3710
451724c8
SC		 3711 if (netif_running(netdev)) {
3712 err = qlcnic_attach(adapter);
3713 if (err) {
21854f02 3714 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3715 clear_bit(__QLCNIC_AER, &adapter->state);
3716 netif_device_attach(netdev);
3717 return err;
3718 }
3719
3720 err = qlcnic_up(adapter, netdev);
3721 if (err)
3722 goto done;
3723
aec1e845 3724 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3725 }
3726 done:
3727 netif_device_attach(netdev);
3728 return err;
3729}
3730
21041400 3731static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3732 pci_channel_state_t state)
451724c8
SC		 3733{
3734 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3735 struct net_device *netdev = adapter->netdev;
3736
3737 if (state == pci_channel_io_perm_failure)
3738 return PCI_ERS_RESULT_DISCONNECT;
3739
3740 if (state == pci_channel_io_normal)
3741 return PCI_ERS_RESULT_RECOVERED;
3742
3743 set_bit(__QLCNIC_AER, &adapter->state);
3744 netif_device_detach(netdev);
3745
3746 cancel_delayed_work_sync(&adapter->fw_work);
3747
3748 if (netif_running(netdev))
3749 qlcnic_down(adapter, netdev);
3750
3751 qlcnic_detach(adapter);
3752 qlcnic_teardown_intr(adapter);
3753
3754 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3755
3756 pci_save_state(pdev);
3757 pci_disable_device(pdev);
3758
3759 return PCI_ERS_RESULT_NEED_RESET;
3760}
3761
21041400 3762static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3763{
3764 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3765 PCI_ERS_RESULT_RECOVERED;
3766}
3767
21041400 3768static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3769{
a15ebd37 3770 u32 state;
451724c8
SC		 3771 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3772
3773 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3774 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3775 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3776 &adapter->state))
451724c8 3777 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3778 FW_POLL_DELAY);
451724c8
SC		 3779}
3780
4460f2e8
PP		 3781static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3782 pci_channel_state_t state)
3783{
3784 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3785 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3786
3787 if (hw_ops->io_error_detected) {
3788 return hw_ops->io_error_detected(pdev, state);
3789 } else {
3790 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3791 return PCI_ERS_RESULT_DISCONNECT;
3792 }
3793}
3794
3795static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3796{
3797 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3798 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3799
3800 if (hw_ops->io_slot_reset) {
3801 return hw_ops->io_slot_reset(pdev);
3802 } else {
3803 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3804 return PCI_ERS_RESULT_DISCONNECT;
3805 }
3806}
3807
3808static void qlcnic_io_resume(struct pci_dev *pdev)
3809{
3810 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3811 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3812
3813 if (hw_ops->io_resume)
3814 hw_ops->io_resume(pdev);
3815 else
3816 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3817}
3818
3819
87eb743b
AC		 3820static int
3821qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3822{
3823 int err;
3824
3825 err = qlcnic_can_start_firmware(adapter);
3826 if (err)
3827 return err;
3828
78f84e1a
AKS		 3829 err = qlcnic_check_npar_opertional(adapter);
3830 if (err)
3831 return err;
3c4b23b1 3832
174240a8
RB		 3833 err = qlcnic_initialize_nic(adapter);
3834 if (err)
3835 return err;
3836
87eb743b
AC		 3837 qlcnic_check_options(adapter);
3838
7373373d
RB		 3839 err = qlcnic_set_eswitch_port_config(adapter);
3840 if (err)
3841 return err;
3842
87eb743b
AC		 3843 adapter->need_fw_reset = 0;
3844
3845 return err;
3846}
3847
34e8c406
HM		 3848int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3849 int queue_type)
aa4a1f7d
HM		 3850{
3851 struct net_device *netdev = adapter->netdev;
34e8c406
HM		 3852 u8 max_hw_rings = 0;
3853 char buf[8];
3854 int cur_rings;
3855
3856 if (queue_type == QLCNIC_RX_QUEUE) {
3857 max_hw_rings = adapter->max_sds_rings;
3858 cur_rings = adapter->drv_sds_rings;
3859 strcpy(buf, "SDS");
3860 } else if (queue_type == QLCNIC_TX_QUEUE) {
18afc102 3861 max_hw_rings = adapter->max_tx_rings;
34e8c406
HM		 3862 cur_rings = adapter->drv_tx_rings;
3863 strcpy(buf, "Tx");
aa4a1f7d
HM		 3864 }
3865
34e8c406
HM		 3866 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3867 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
aa4a1f7d
HM		 3868 return -EINVAL;
3869 }
3870
34e8c406
HM		 3871 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3872 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
aa4a1f7d
HM		 3873 return -EINVAL;
3874 }
3875
34e8c406
HM		 3876 if (!is_power_of_2(ring_cnt)) {
3877 netdev_err(netdev, "%s rings value should be a power of 2\n",
3878 buf);
aa4a1f7d
HM		 3879 return -EINVAL;
3880 }
3881
34e8c406
HM		 3882 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3883 !qlcnic_check_multi_tx(adapter)) {
3884 netdev_err(netdev, "No Multi Tx queue support\n");
3885 return -EINVAL;
f94bc1e7
SC		 3886 }
3887
34e8c406
HM		 3888 if (ring_cnt > num_online_cpus()) {
3889 netdev_err(netdev,
3890 "%s value[%u] should not be higher than, number of online CPUs\n",
3891 buf, num_online_cpus());
f94bc1e7
SC		 3892 return -EINVAL;
3893 }
34e8c406 3894
f94bc1e7 3895 return 0;
f94bc1e7
SC		 3896}
3897
cb9327d5 3898int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
f94bc1e7
SC		 3899{
3900 struct net_device *netdev = adapter->netdev;
34e8c406 3901 int err;
f94bc1e7 3902
319ecf12
SC		 3903 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3904 return -EBUSY;
3905
f94bc1e7
SC		 3906 netif_device_detach(netdev);
3907 if (netif_running(netdev))
3908 __qlcnic_down(adapter, netdev);
13159183 3909
7dd90cf1
SC		 3910 qlcnic_detach(adapter);
3911
7ed3ce48 3912 if (qlcnic_83xx_check(adapter)) {
13159183 3913 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3914 qlcnic_83xx_enable_mbx_poll(adapter);
3915 }
13159183 3916
f94bc1e7 3917 qlcnic_teardown_intr(adapter);
aa4a1f7d 3918
34e8c406 3919 err = qlcnic_setup_intr(adapter);
9a97e705
M		 3920 if (err) {
3921 kfree(adapter->msix_entries);
3922 netdev_err(netdev, "failed to setup interrupt\n");
3923 return err;
3924 }
f94bc1e7 3925
cb9327d5
HM		 3926 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
3927
13159183 3928 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 3929 qlcnic_83xx_initialize_nic(adapter, 1);
13159183 3930 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3931 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3932 if (err) {
3933 dev_err(&adapter->pdev->dev,
3934 "failed to setup mbx interrupt\n");
3935 goto done;
3936 }
f94bc1e7
SC		 3937 }
3938
3939 if (netif_running(netdev)) {
3940 err = qlcnic_attach(adapter);
3941 if (err)
3942 goto done;
3943 err = __qlcnic_up(adapter, netdev);
3944 if (err)
3945 goto done;
3946 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3947 }
aa4a1f7d 3948done:
f94bc1e7
SC		 3949 netif_device_attach(netdev);
3950 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3951 return err;
3952}
3953
af19b491
AKS		 3954#ifdef CONFIG_INET
3955
3956#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3957
af19b491 3958static void
aec1e845
AKS		 3959qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3960 struct net_device *dev, unsigned long event)
af19b491
AKS		 3961{
3962 struct in_device *indev;
af19b491 3963
af19b491
AKS		 3964 indev = in_dev_get(dev);
3965 if (!indev)
3966 return;
3967
3968 for_ifa(indev) {
3969 switch (event) {
3970 case NETDEV_UP:
3971 qlcnic_config_ipaddr(adapter,
3972 ifa->ifa_address, QLCNIC_IP_UP);
3973 break;
3974 case NETDEV_DOWN:
3975 qlcnic_config_ipaddr(adapter,
3976 ifa->ifa_address, QLCNIC_IP_DOWN);
3977 break;
3978 default:
3979 break;
3980 }
3981 } endfor_ifa(indev);
3982
3983 in_dev_put(indev);
af19b491
AKS		 3984}
3985
319ecf12 3986void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3987{
3988 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3989 struct net_device *dev;
3990 u16 vid;
3991
3992 qlcnic_config_indev_addr(adapter, netdev, event);
3993
43c00a75 3994 rcu_read_lock();
b9796a14 3995 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3996 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3997 if (!dev)
3998 continue;
aec1e845
AKS		 3999 qlcnic_config_indev_addr(adapter, dev, event);
4000 }
43c00a75 4001 rcu_read_unlock();
aec1e845
AKS		 4002}
4003
af19b491
AKS		 4004static int qlcnic_netdev_event(struct notifier_block *this,
4005 unsigned long event, void *ptr)
4006{
4007 struct qlcnic_adapter *adapter;
351638e7 4008 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 4009
4010recheck:
4011 if (dev == NULL)
4012 goto done;
4013
4014 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4015 dev = vlan_dev_real_dev(dev);
4016 goto recheck;
4017 }
4018
4019 if (!is_qlcnic_netdev(dev))
4020 goto done;
4021
4022 adapter = netdev_priv(dev);
4023
4024 if (!adapter)
4025 goto done;
4026
8a15ad1f 4027 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4028 goto done;
4029
aec1e845 4030 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4031done:
4032 return NOTIFY_DONE;
4033}
4034
4035static int
4036qlcnic_inetaddr_event(struct notifier_block *this,
4037 unsigned long event, void *ptr)
4038{
4039 struct qlcnic_adapter *adapter;
4040 struct net_device *dev;
4041
4042 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4043
4044 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4045
4046recheck:
aec1e845 4047 if (dev == NULL)
af19b491
AKS		 4048 goto done;
4049
4050 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4051 dev = vlan_dev_real_dev(dev);
4052 goto recheck;
4053 }
4054
4055 if (!is_qlcnic_netdev(dev))
4056 goto done;
4057
4058 adapter = netdev_priv(dev);
4059
251a84c9 4060 if (!adapter)
af19b491
AKS		 4061 goto done;
4062
8a15ad1f 4063 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4064 goto done;
4065
4066 switch (event) {
4067 case NETDEV_UP:
4068 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 4069
af19b491
AKS		 4070 break;
4071 case NETDEV_DOWN:
4072 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 4073
af19b491
AKS		 4074 break;
4075 default:
4076 break;
4077 }
4078
4079done:
4080 return NOTIFY_DONE;
4081}
4082
4083static struct notifier_block qlcnic_netdev_cb = {
4084 .notifier_call = qlcnic_netdev_event,
4085};
4086
4087static struct notifier_block qlcnic_inetaddr_cb = {
4088 .notifier_call = qlcnic_inetaddr_event,
4089};
4090#else
f8ca2b6f 4091void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4092{ }
4093#endif
fec9dd15 4094static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 4095 .error_detected = qlcnic_io_error_detected,
4096 .slot_reset = qlcnic_io_slot_reset,
4097 .resume = qlcnic_io_resume,
4098};
af19b491
AKS		 4099
4100static struct pci_driver qlcnic_driver = {
4101 .name = qlcnic_driver_name,
4102 .id_table = qlcnic_pci_tbl,
4103 .probe = qlcnic_probe,
6bb58bb0 4104 .remove = qlcnic_remove,
af19b491
AKS		 4105#ifdef CONFIG_PM
4106 .suspend = qlcnic_suspend,
4107 .resume = qlcnic_resume,
4108#endif
451724c8 4109 .shutdown = qlcnic_shutdown,
02feda17
RB		 4110 .err_handler = &qlcnic_err_handler,
4111#ifdef CONFIG_QLCNIC_SRIOV
4112 .sriov_configure = qlcnic_pci_sriov_configure,
4113#endif
451724c8 4114
af19b491
AKS		 4115};
4116
4117static int __init qlcnic_init_module(void)
4118{
0cf3a14c 4119 int ret;
af19b491
AKS		 4120
4121 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4122
4123#ifdef CONFIG_INET
4124 register_netdevice_notifier(&qlcnic_netdev_cb);
4125 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4126#endif
4127
0cf3a14c
AKS		 4128 ret = pci_register_driver(&qlcnic_driver);
4129 if (ret) {
4130#ifdef CONFIG_INET
4131 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4132 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4133#endif
4134 }
af19b491 4135
0cf3a14c 4136 return ret;
af19b491
AKS		 4137}
4138
4139module_init(qlcnic_init_module);
4140
4141static void __exit qlcnic_exit_module(void)
4142{
af19b491
AKS		 4143 pci_unregister_driver(&qlcnic_driver);
4144
4145#ifdef CONFIG_INET
4146 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4147 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4148#endif
4149}
4150
4151module_exit(qlcnic_exit_module);
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