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net: tg3: fix NULL pointer dereference in tg3_io_error_detected and tg3_io_slot_reset
[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
13159183
SC		 84static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
85{
86 struct qlcnic_hardware_context *ahw = adapter->ahw;
87
88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
90 else
91 return 1;
92}
93
af19b491
AKS		 94/* PCI Device ID Table */
95#define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
98
6a902881 99static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
af19b491
AKS		 103 {0,}
104};
105
106MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
107
108
5ad6ff9d 109inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 110{
111 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 112}
113
114static const u32 msi_tgt_status[8] = {
115 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
116 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
117 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
118 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
119};
120
7e2cf4fe
SC		 121static const u32 qlcnic_reg_tbl[] = {
122 0x1B20A8, /* PEG_HALT_STAT1 */
123 0x1B20AC, /* PEG_HALT_STAT2 */
124 0x1B20B0, /* FW_HEARTBEAT */
125 0x1B2100, /* LOCK ID */
126 0x1B2128, /* FW_CAPABILITIES */
127 0x1B2138, /* drv active */
128 0x1B2140, /* dev state */
129 0x1B2144, /* drv state */
130 0x1B2148, /* drv scratch */
131 0x1B214C, /* dev partition info */
132 0x1B2174, /* drv idc ver */
133 0x1B2150, /* fw version major */
134 0x1B2154, /* fw version minor */
135 0x1B2158, /* fw version sub */
136 0x1B219C, /* npar state */
137 0x1B21FC, /* FW_IMG_VALID */
138 0x1B2250, /* CMD_PEG_STATE */
139 0x1B233C, /* RCV_PEG_STATE */
140 0x1B23B4, /* ASIC TEMP */
141 0x1B216C, /* FW api */
142 0x1B2170, /* drv op mode */
143 0x13C010, /* flash lock */
144 0x13C014, /* flash unlock */
145};
146
22999798 147static const struct qlcnic_board_info qlcnic_boards[] = {
e386cd4a
HM		 148 { PCI_VENDOR_ID_QLOGIC,
149 PCI_DEVICE_ID_QLOGIC_QLE834X,
150 PCI_VENDOR_ID_QLOGIC,
151 0x24e,
152 "8300 Series Dual Port 10GbE Converged Network Adapter "
153 "(TCP/IP Networking)" },
154 { PCI_VENDOR_ID_QLOGIC,
155 PCI_DEVICE_ID_QLOGIC_QLE834X,
156 PCI_VENDOR_ID_QLOGIC,
157 0x243,
158 "8300 Series Single Port 10GbE Converged Network Adapter "
159 "(TCP/IP Networking)" },
160 { PCI_VENDOR_ID_QLOGIC,
161 PCI_DEVICE_ID_QLOGIC_QLE834X,
162 PCI_VENDOR_ID_QLOGIC,
163 0x24a,
164 "8300 Series Dual Port 10GbE Converged Network Adapter "
165 "(TCP/IP Networking)" },
166 { PCI_VENDOR_ID_QLOGIC,
167 PCI_DEVICE_ID_QLOGIC_QLE834X,
168 PCI_VENDOR_ID_QLOGIC,
169 0x246,
170 "8300 Series Dual Port 10GbE Converged Network Adapter "
171 "(TCP/IP Networking)" },
172 { PCI_VENDOR_ID_QLOGIC,
173 PCI_DEVICE_ID_QLOGIC_QLE834X,
174 PCI_VENDOR_ID_QLOGIC,
175 0x252,
176 "8300 Series Dual Port 10GbE Converged Network Adapter "
177 "(TCP/IP Networking)" },
178 { PCI_VENDOR_ID_QLOGIC,
179 PCI_DEVICE_ID_QLOGIC_QLE834X,
180 PCI_VENDOR_ID_QLOGIC,
181 0x26e,
182 "8300 Series Dual Port 10GbE Converged Network Adapter "
183 "(TCP/IP Networking)" },
184 { PCI_VENDOR_ID_QLOGIC,
185 PCI_DEVICE_ID_QLOGIC_QLE834X,
186 PCI_VENDOR_ID_QLOGIC,
187 0x260,
188 "8300 Series Dual Port 10GbE Converged Network Adapter "
189 "(TCP/IP Networking)" },
190 { PCI_VENDOR_ID_QLOGIC,
191 PCI_DEVICE_ID_QLOGIC_QLE834X,
192 PCI_VENDOR_ID_QLOGIC,
193 0x266,
194 "8300 Series Single Port 10GbE Converged Network Adapter "
195 "(TCP/IP Networking)" },
196 { PCI_VENDOR_ID_QLOGIC,
197 PCI_DEVICE_ID_QLOGIC_QLE834X,
198 PCI_VENDOR_ID_QLOGIC,
199 0x269,
200 "8300 Series Dual Port 10GbE Converged Network Adapter "
201 "(TCP/IP Networking)" },
202 { PCI_VENDOR_ID_QLOGIC,
203 PCI_DEVICE_ID_QLOGIC_QLE834X,
204 PCI_VENDOR_ID_QLOGIC,
205 0x271,
206 "8300 Series Dual Port 10GbE Converged Network Adapter "
207 "(TCP/IP Networking)" },
208 { PCI_VENDOR_ID_QLOGIC,
209 PCI_DEVICE_ID_QLOGIC_QLE834X,
210 0x0, 0x0, "8300 Series 1/10GbE Controller" },
211 { PCI_VENDOR_ID_QLOGIC,
212 PCI_DEVICE_ID_QLOGIC_QLE824X,
213 PCI_VENDOR_ID_QLOGIC,
214 0x203,
215 "8200 Series Single Port 10GbE Converged Network Adapter"
216 "(TCP/IP Networking)" },
217 { PCI_VENDOR_ID_QLOGIC,
218 PCI_DEVICE_ID_QLOGIC_QLE824X,
219 PCI_VENDOR_ID_QLOGIC,
220 0x207,
221 "8200 Series Dual Port 10GbE Converged Network Adapter"
222 "(TCP/IP Networking)" },
223 { PCI_VENDOR_ID_QLOGIC,
224 PCI_DEVICE_ID_QLOGIC_QLE824X,
225 PCI_VENDOR_ID_QLOGIC,
226 0x20b,
227 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE824X,
230 PCI_VENDOR_ID_QLOGIC,
231 0x20c,
232 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
233 { PCI_VENDOR_ID_QLOGIC,
234 PCI_DEVICE_ID_QLOGIC_QLE824X,
235 PCI_VENDOR_ID_QLOGIC,
236 0x20f,
237 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
238 { PCI_VENDOR_ID_QLOGIC,
239 PCI_DEVICE_ID_QLOGIC_QLE824X,
240 0x103c, 0x3733,
241 "NC523SFP 10Gb 2-port Server Adapter" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 0x103c, 0x3346,
245 "CN1000Q Dual Port Converged Network Adapter" },
246 { PCI_VENDOR_ID_QLOGIC,
247 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 PCI_VENDOR_ID_QLOGIC,
249 0x210,
250 "QME8242-k 10GbE Dual Port Mezzanine Card" },
251 { PCI_VENDOR_ID_QLOGIC,
252 PCI_DEVICE_ID_QLOGIC_QLE824X,
253 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 254};
255
256#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 257#define QLC_MAX_SDS_RINGS 8
22999798 258
af19b491
AKS		 259static const
260struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
261
c70001a9 262int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 263{
264 int size = sizeof(struct qlcnic_host_sds_ring) * count;
265
266 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
267
807540ba 268 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 269}
270
c70001a9 271void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 272{
273 if (recv_ctx->sds_rings != NULL)
274 kfree(recv_ctx->sds_rings);
275
276 recv_ctx->sds_rings = NULL;
277}
278
f8468331 279int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 280{
2e9d722d 281 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 282 struct net_device *netdev = adapter->netdev;
283 struct pci_dev *pdev = adapter->pdev;
284
da48e6c3 285 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 286 return -EIO;
287
2e9d722d 288 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 289 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
290
291 /* set station address */
292
aaeb6cdf 293 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 294 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
295 netdev->dev_addr);
296
297 return 0;
298}
299
cffe52f3
MC		 300static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
301{
302 struct qlcnic_mac_list_s *cur;
303 struct list_head *head;
304
305 list_for_each(head, &adapter->mac_list) {
306 cur = list_entry(head, struct qlcnic_mac_list_s, list);
307 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
308 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
309 0, QLCNIC_MAC_DEL);
310 list_del(&cur->list);
311 kfree(cur);
312 return;
313 }
314 }
315}
316
af19b491
AKS		 317static int qlcnic_set_mac(struct net_device *netdev, void *p)
318{
319 struct qlcnic_adapter *adapter = netdev_priv(netdev);
320 struct sockaddr *addr = p;
321
7cb03b23
RB		 322 if (qlcnic_sriov_vf_check(adapter))
323 return -EINVAL;
324
7373373d
RB		 325 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
326 return -EOPNOTSUPP;
327
af19b491 328 if (!is_valid_ether_addr(addr->sa_data))
13159183 329 return -EINVAL;
af19b491 330
cffe52f3
MC		 331 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
332 return 0;
333
8a15ad1f 334 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 335 netif_device_detach(netdev);
336 qlcnic_napi_disable(adapter);
337 }
338
cffe52f3 339 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 340 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
341 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
342 qlcnic_set_multi(adapter->netdev);
343
8a15ad1f 344 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 345 netif_device_attach(netdev);
346 qlcnic_napi_enable(adapter);
347 }
348 return 0;
349}
350
1690be63
VY		 351static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
352 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 353{
354 struct qlcnic_adapter *adapter = netdev_priv(netdev);
355 int err = -EOPNOTSUPP;
356
3e5c112f
VY		 357 if (!adapter->fdb_mac_learn)
358 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 359
360 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
52e493d0
JK		 361 if (is_unicast_ether_addr(addr)) {
362 err = dev_uc_del(netdev, addr);
363 if (!err)
364 err = qlcnic_nic_del_mac(adapter, addr);
365 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 366 err = dev_mc_del(netdev, addr);
52e493d0 367 } else {
fe1adc6b 368 err = -EINVAL;
52e493d0 369 }
fe1adc6b
JK		 370 }
371 return err;
372}
373
374static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
375 struct net_device *netdev,
376 const unsigned char *addr, u16 flags)
377{
378 struct qlcnic_adapter *adapter = netdev_priv(netdev);
379 int err = 0;
380
3e5c112f
VY		 381 if (!adapter->fdb_mac_learn)
382 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 383
384 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
385 pr_info("%s: FDB e-switch is not enabled\n", __func__);
386 return -EOPNOTSUPP;
387 }
388
389 if (ether_addr_equal(addr, adapter->mac_addr))
390 return err;
391
52e493d0
JK		 392 if (is_unicast_ether_addr(addr)) {
393 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
394 err = dev_uc_add_excl(netdev, addr);
395 else
396 err = -ENOMEM;
397 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 398 err = dev_mc_add_excl(netdev, addr);
52e493d0 399 } else {
fe1adc6b 400 err = -EINVAL;
52e493d0 401 }
fe1adc6b
JK		 402
403 return err;
404}
405
406static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
407 struct net_device *netdev, int idx)
408{
409 struct qlcnic_adapter *adapter = netdev_priv(netdev);
410
3e5c112f
VY		 411 if (!adapter->fdb_mac_learn)
412 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 413
414 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
415 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
416
417 return idx;
418}
419
7e2cf4fe
SC		 420static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
421{
422 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
423 usleep_range(10000, 11000);
424
425 cancel_delayed_work_sync(&adapter->fw_work);
426}
427
af19b491
AKS		 428static const struct net_device_ops qlcnic_netdev_ops = {
429 .ndo_open = qlcnic_open,
430 .ndo_stop = qlcnic_close,
431 .ndo_start_xmit = qlcnic_xmit_frame,
432 .ndo_get_stats = qlcnic_get_stats,
433 .ndo_validate_addr = eth_validate_addr,
afc4b13d 434 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 435 .ndo_set_mac_address = qlcnic_set_mac,
436 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 437 .ndo_fix_features = qlcnic_fix_features,
438 .ndo_set_features = qlcnic_set_features,
af19b491 439 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 440 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
441 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 442 .ndo_fdb_add = qlcnic_fdb_add,
443 .ndo_fdb_del = qlcnic_fdb_del,
444 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 445#ifdef CONFIG_NET_POLL_CONTROLLER
446 .ndo_poll_controller = qlcnic_poll_controller,
447#endif
4000e7a7
RB		 448#ifdef CONFIG_QLCNIC_SRIOV
449 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
450 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
451 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 452 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 453 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 454#endif
af19b491
AKS		 455};
456
b43e5ee7
SC		 457static const struct net_device_ops qlcnic_netdev_failed_ops = {
458 .ndo_open = qlcnic_open,
459};
460
2e9d722d 461static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 462 .config_bridged_mode = qlcnic_config_bridged_mode,
463 .config_led = qlcnic_82xx_config_led,
464 .start_firmware = qlcnic_82xx_start_firmware,
465 .request_reset = qlcnic_82xx_dev_request_reset,
466 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
467 .napi_add = qlcnic_82xx_napi_add,
4be41e92 468 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 469 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 470 .shutdown = qlcnic_82xx_shutdown,
471 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 472 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
473};
474
475struct qlcnic_nic_template qlcnic_vf_ops = {
476 .config_bridged_mode = qlcnicvf_config_bridged_mode,
477 .config_led = qlcnicvf_config_led,
478 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 479};
480
7e2cf4fe
SC		 481static struct qlcnic_hardware_ops qlcnic_hw_ops = {
482 .read_crb = qlcnic_82xx_read_crb,
483 .write_crb = qlcnic_82xx_write_crb,
484 .read_reg = qlcnic_82xx_hw_read_wx_2M,
485 .write_reg = qlcnic_82xx_hw_write_wx_2M,
486 .get_mac_address = qlcnic_82xx_get_mac_address,
487 .setup_intr = qlcnic_82xx_setup_intr,
488 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
489 .mbx_cmd = qlcnic_82xx_issue_cmd,
490 .get_func_no = qlcnic_82xx_get_func_no,
491 .api_lock = qlcnic_82xx_api_lock,
492 .api_unlock = qlcnic_82xx_api_unlock,
493 .add_sysfs = qlcnic_82xx_add_sysfs,
494 .remove_sysfs = qlcnic_82xx_remove_sysfs,
495 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
496 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
497 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 498 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
499 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 500 .setup_link_event = qlcnic_82xx_linkevent_request,
501 .get_nic_info = qlcnic_82xx_get_nic_info,
502 .get_pci_info = qlcnic_82xx_get_pci_info,
503 .set_nic_info = qlcnic_82xx_set_nic_info,
504 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
505 .napi_enable = qlcnic_82xx_napi_enable,
506 .napi_disable = qlcnic_82xx_napi_disable,
507 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
508 .config_rss = qlcnic_82xx_config_rss,
509 .config_hw_lro = qlcnic_82xx_config_hw_lro,
510 .config_loopback = qlcnic_82xx_set_lb_mode,
511 .clear_loopback = qlcnic_82xx_clear_lb_mode,
512 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
513 .change_l2_filter = qlcnic_82xx_change_filter,
514 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 515 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 516 .free_mac_list = qlcnic_82xx_free_mac_list,
2e9d722d
AC		 517};
518
7f966452 519int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 520{
af19b491 521 struct pci_dev *pdev = adapter->pdev;
13159183 522 int err = -1, i;
da6c8063
RB		 523 int max_tx_rings, tx_vector;
524
525 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
526 max_tx_rings = 0;
527 tx_vector = 0;
528 } else {
529 max_tx_rings = adapter->max_drv_tx_rings;
530 tx_vector = 1;
531 }
13159183
SC		 532
533 if (!adapter->msix_entries) {
534 adapter->msix_entries = kcalloc(num_msix,
535 sizeof(struct msix_entry),
536 GFP_KERNEL);
b2adaca9 537 if (!adapter->msix_entries)
13159183 538 return -ENOMEM;
13159183 539 }
af19b491
AKS		 540
541 adapter->max_sds_rings = 1;
af19b491 542 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 543
79788450 544 if (adapter->ahw->msix_supported) {
f94bc1e7 545 enable_msix:
13159183
SC		 546 for (i = 0; i < num_msix; i++)
547 adapter->msix_entries[i].entry = i;
af19b491
AKS		 548 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
549 if (err == 0) {
550 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 551 if (qlcnic_83xx_check(adapter)) {
552 adapter->ahw->num_msix = num_msix;
553 /* subtract mail box and tx ring vectors */
13159183
SC		 554 adapter->max_sds_rings = num_msix -
555 max_tx_rings - 1;
556 } else {
557 adapter->max_sds_rings = num_msix;
558 }
af19b491 559 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 560 return err;
13159183
SC		 561 } else if (err > 0) {
562 dev_info(&pdev->dev,
563 "Unable to allocate %d MSI-X interrupt vectors\n",
564 num_msix);
565 if (qlcnic_83xx_check(adapter)) {
da6c8063 566 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 567 return err;
da6c8063 568 err -= (max_tx_rings + 1);
13159183 569 num_msix = rounddown_pow_of_two(err);
da6c8063 570 num_msix += (max_tx_rings + 1);
13159183
SC		 571 } else {
572 num_msix = rounddown_pow_of_two(err);
573 }
574
575 if (num_msix) {
576 dev_info(&pdev->dev,
dce056cb 577 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 578 num_msix);
f94bc1e7 579 goto enable_msix;
13159183
SC		 580 }
581 } else {
dce056cb
MC		 582 dev_info(&pdev->dev,
583 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 584 num_msix);
f94bc1e7
SC		 585 }
586 }
13159183 587
f94bc1e7
SC		 588 return err;
589}
af19b491 590
9a97e705 591static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 592{
9a97e705 593 int err = 0;
15087c2b 594 u32 offset, mask_reg;
f94bc1e7 595 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 596 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 597 struct pci_dev *pdev = adapter->pdev;
af19b491 598
099f7aa7 599 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 600 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 601 offset = msi_tgt_status[adapter->ahw->pci_func];
602 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
603 offset);
af19b491
AKS		 604 dev_info(&pdev->dev, "using msi interrupts\n");
605 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 606 return err;
af19b491 607 }
9a97e705
M		 608 if (qlcnic_use_msi || qlcnic_use_msi_x)
609 return -EOPNOTSUPP;
af19b491 610
f94bc1e7 611 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 612 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 613 offset = legacy_intrp->tgt_status_reg;
614 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
615 mask_reg = legacy_intrp->tgt_mask_reg;
616 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
617 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
618 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 619 dev_info(&pdev->dev, "using legacy interrupts\n");
620 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 621 return err;
af19b491
AKS		 622}
623
7e2cf4fe 624int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 625{
9a97e705 626 int num_msix, err = 0;
f94bc1e7 627
7e2cf4fe
SC		 628 if (!num_intr)
629 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
630
631 if (adapter->ahw->msix_supported)
5f6ec29a 632 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 633 num_intr));
634 else
f94bc1e7
SC		 635 num_msix = 1;
636
7e2cf4fe
SC		 637 err = qlcnic_enable_msix(adapter, num_msix);
638 if (err == -ENOMEM || !err)
639 return err;
f94bc1e7 640
9a97e705
M		 641 err = qlcnic_enable_msi_legacy(adapter);
642 if (!err)
643 return err;
644
645 return -EIO;
f94bc1e7 646}
13159183 647
319ecf12 648void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 649{
650 if (adapter->flags & QLCNIC_MSIX_ENABLED)
651 pci_disable_msix(adapter->pdev);
652 if (adapter->flags & QLCNIC_MSI_ENABLED)
653 pci_disable_msi(adapter->pdev);
13159183
SC		 654
655 kfree(adapter->msix_entries);
656 adapter->msix_entries = NULL;
657
658 if (adapter->ahw->intr_tbl) {
659 vfree(adapter->ahw->intr_tbl);
660 adapter->ahw->intr_tbl = NULL;
661 }
af19b491
AKS		 662}
663
f1a094a8 664static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 665{
f1a094a8
RB		 666 if (ahw->pci_base0 != NULL)
667 iounmap(ahw->pci_base0);
af19b491
AKS		 668}
669
7e2cf4fe
SC		 670static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
671{
672 struct qlcnic_pci_info *pci_info;
673 int ret;
674
675 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
676 switch (adapter->ahw->port_type) {
677 case QLCNIC_GBE:
678 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
679 break;
680 case QLCNIC_XGBE:
681 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
682 break;
683 }
684 return 0;
685 }
686
687 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
688 return 0;
689
690 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
691 if (!pci_info)
692 return -ENOMEM;
693
694 ret = qlcnic_get_pci_info(adapter, pci_info);
695 kfree(pci_info);
696 return ret;
697}
d71170fb
SC		 698
699int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 700{
e88db3bd 701 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 702 int i, ret = 0, j = 0;
703 u16 act_pci_func;
346fe763
RB		 704 u8 pfn;
705
e88db3bd
DC		 706 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
707 if (!pci_info)
708 return -ENOMEM;
709
bff57d8e
SC		 710 ret = qlcnic_get_pci_info(adapter, pci_info);
711 if (ret)
712 goto err_pci_info;
713
714 act_pci_func = adapter->ahw->act_pci_func;
715
ca315ac2 716 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 717 act_pci_func, GFP_KERNEL);
e88db3bd 718 if (!adapter->npars) {
900853a4 719 ret = -ENOMEM;
e88db3bd
DC		 720 goto err_pci_info;
721 }
346fe763 722
ca315ac2 723 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 724 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
725 if (!adapter->eswitch) {
900853a4 726 ret = -ENOMEM;
ca315ac2 727 goto err_npars;
346fe763
RB		 728 }
729
ca315ac2
DC		 730 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
731 pfn = pci_info[i].id;
bff57d8e 732
0f6efff9 733 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 734 ret = QL_STATUS_INVALID_PARAM;
735 goto err_eswitch;
736 }
bff57d8e
SC		 737
738 if (!pci_info[i].active ||
739 (pci_info[i].type != QLCNIC_TYPE_NIC))
740 continue;
741
742 adapter->npars[j].pci_func = pfn;
743 adapter->npars[j].active = (u8)pci_info[i].active;
744 adapter->npars[j].type = (u8)pci_info[i].type;
745 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
746 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
747 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
748 j++;
346fe763
RB		 749 }
750
13159183 751 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 752 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 753 if (qlcnic_83xx_check(adapter))
754 qlcnic_enable_eswitch(adapter, i, 1);
755 }
ca315ac2 756
e88db3bd 757 kfree(pci_info);
ca315ac2
DC		 758 return 0;
759
760err_eswitch:
346fe763
RB		 761 kfree(adapter->eswitch);
762 adapter->eswitch = NULL;
ca315ac2 763err_npars:
346fe763 764 kfree(adapter->npars);
ca315ac2 765 adapter->npars = NULL;
e88db3bd
DC		 766err_pci_info:
767 kfree(pci_info);
346fe763
RB		 768
769 return ret;
770}
771
2e9d722d
AC		 772static int
773qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
774{
775 u8 id;
7e8fd003 776 int ret;
2e9d722d 777 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 778 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 779
2e9d722d
AC		 780 ret = qlcnic_api_lock(adapter);
781 if (ret)
782 goto err_lock;
2e9d722d 783
7e8fd003
SS		 784 id = ahw->pci_func;
785 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
786 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
787 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 788 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 789 qlcnic_api_unlock(adapter);
790err_lock:
791 return ret;
792}
793
13159183
SC		 794static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
795 const struct pci_device_id *ent)
2e9d722d 796{
2e9d722d
AC		 797 u32 op_mode, priv_level;
798
799 /* Determine FW API version */
13159183
SC		 800 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
801 QLCNIC_FW_API);
2e9d722d
AC		 802
803 /* Find PCI function number */
13159183 804 qlcnic_get_func_no(adapter);
2e9d722d
AC		 805
806 /* Determine function privilege level */
13159183 807 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 808 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 809 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 810 else
b1fc6d3c 811 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 812
0866d96d 813 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 814 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 815 dev_info(&adapter->pdev->dev,
816 "HAL Version: %d Non Privileged function\n",
79788450 817 adapter->ahw->fw_hal_version);
9f26f547 818 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 819 } else
820 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 821}
822
15087c2b 823#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 824#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 825static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
826{
827 switch (dev_id) {
828 case PCI_DEVICE_ID_QLOGIC_QLE824X:
829 *bar = QLCNIC_82XX_BAR0_LENGTH;
830 break;
13159183 831 case PCI_DEVICE_ID_QLOGIC_QLE834X:
f8468331 832 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
13159183
SC		 833 *bar = QLCNIC_83XX_BAR0_LENGTH;
834 break;
15087c2b
SC		 835 default:
836 *bar = 0;
837 }
838}
839
840static int qlcnic_setup_pci_map(struct pci_dev *pdev,
841 struct qlcnic_hardware_context *ahw)
af19b491 842{
15087c2b 843 u32 offset;
af19b491 844 void __iomem *mem_ptr0 = NULL;
15087c2b 845 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 846
af19b491 847 /* remap phys address */
af19b491
AKS		 848 mem_len = pci_resource_len(pdev, 0);
849
15087c2b
SC		 850 qlcnic_get_bar_length(pdev->device, &bar0_len);
851 if (mem_len >= bar0_len) {
af19b491
AKS		 852
853 mem_ptr0 = pci_ioremap_bar(pdev, 0);
854 if (mem_ptr0 == NULL) {
855 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
856 return -EIO;
857 }
858 pci_len0 = mem_len;
859 } else {
860 return -EIO;
861 }
862
f8468331 863 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 864
15087c2b
SC		 865 ahw->pci_base0 = mem_ptr0;
866 ahw->pci_len0 = pci_len0;
867 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
868 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 869
870 return 0;
871}
872
2343f06a
MC		 873static inline bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
874 int index)
875{
876 struct pci_dev *pdev = adapter->pdev;
877 unsigned short subsystem_vendor;
878 bool ret = true;
879
880 subsystem_vendor = pdev->subsystem_vendor;
881
882 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
883 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
884 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
885 qlcnic_boards[index].sub_device == pdev->subsystem_device)
886 ret = true;
887 else
888 ret = false;
889 }
890
891 return ret;
892}
893
22999798 894static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 895{
896 struct pci_dev *pdev = adapter->pdev;
897 int i, found = 0;
898
899 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
900 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 901 qlcnic_boards[i].device == pdev->device &&
902 qlcnic_validate_subsystem_id(adapter, i)) {
903 found = 1;
904 break;
af19b491 905 }
af19b491
AKS		 906 }
907
908 if (!found)
7f9a0c34 909 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 910 else
911 sprintf(name, "%pM: %s" , adapter->mac_addr,
912 qlcnic_boards[i].short_name);
af19b491
AKS		 913}
914
915static void
916qlcnic_check_options(struct qlcnic_adapter *adapter)
917{
a15ebd37 918 int err;
031a4a26 919 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 920 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 921 struct qlcnic_hardware_context *ahw = adapter->ahw;
922 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 923
924 prev_fw_version = adapter->fw_version;
af19b491 925
a15ebd37
HM		 926 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
927 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
928 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 929
930 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
931
a15ebd37
HM		 932 err = qlcnic_get_board_info(adapter);
933 if (err) {
934 dev_err(&pdev->dev, "Error getting board config info.\n");
935 return;
936 }
937 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 938 if (fw_dump->tmpl_hdr == NULL ||
939 adapter->fw_version > prev_fw_version) {
940 if (fw_dump->tmpl_hdr)
941 vfree(fw_dump->tmpl_hdr);
942 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
943 dev_info(&pdev->dev,
944 "Supports FW dump capability\n");
945 }
946 }
947
13159183
SC		 948 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
949 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
950
b1fc6d3c 951 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 952 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
953 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
954 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
955 } else {
956 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
957 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
958 }
959
af19b491 960 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 961 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
962
b1fc6d3c 963 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 964 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
965 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 966 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
967 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 968 }
969
099f7aa7 970 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 971
972 adapter->num_txd = MAX_CMD_DESCRIPTORS;
973
251b036a 974 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 975}
976
174240a8
RB		 977static int
978qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
979{
174240a8 980 struct qlcnic_info nic_info;
4bd8e738 981 int err = 0;
174240a8 982
bff57d8e 983 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 984 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 985 if (err)
986 return err;
987
79788450
SC		 988 adapter->ahw->physical_port = (u8)nic_info.phys_port;
989 adapter->ahw->switch_mode = nic_info.switch_mode;
990 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
991 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
992 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 993
994 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
995 u32 temp;
4bd8e738
HM		 996 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
997 if (err == -EIO)
998 return err;
db131786 999 adapter->ahw->extra_capability[0] = temp;
776e7bde 1000 }
79788450
SC		 1001 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1002 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1003
13159183
SC		 1004 /* Disable NPAR for 83XX */
1005 if (qlcnic_83xx_check(adapter))
1006 return err;
1007
79788450 1008 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 1009 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1010 else
1011 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1012
1013 return err;
1014}
1015
ec079a07
SC		 1016void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1017 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1018{
1019 if (esw_cfg->discard_tagged)
1020 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1021 else
1022 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1023
91b7282b
RB		 1024 if (esw_cfg->vlan_id) {
1025 adapter->rx_pvid = esw_cfg->vlan_id;
1026 adapter->tx_pvid = esw_cfg->vlan_id;
1027 } else {
1028 adapter->rx_pvid = 0;
1029 adapter->tx_pvid = 0;
1030 }
8cf61f89
AKS		 1031}
1032
8e586137 1033static int
80d5c368 1034qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1035{
1036 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1037 int err;
1038
1039 if (qlcnic_sriov_vf_check(adapter)) {
1040 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1041 if (err) {
1042 netdev_err(netdev,
1043 "Cannot add VLAN filter for VLAN id %d, err=%d",
1044 vid, err);
1045 return err;
1046 }
1047 }
1048
b9796a14 1049 set_bit(vid, adapter->vlans);
8e586137 1050 return 0;
b9796a14
AC		 1051}
1052
8e586137 1053static int
80d5c368 1054qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1055{
1056 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1057 int err;
1058
1059 if (qlcnic_sriov_vf_check(adapter)) {
1060 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1061 if (err) {
1062 netdev_err(netdev,
1063 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1064 vid, err);
1065 return err;
1066 }
1067 }
b9796a14
AC		 1068
1069 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1070 clear_bit(vid, adapter->vlans);
8e586137 1071 return 0;
b9796a14
AC		 1072}
1073
ec079a07
SC		 1074void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1075 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1076{
ee07c1a7
RB		 1077 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1078 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1079
1080 if (esw_cfg->mac_anti_spoof)
1081 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1082
7373373d
RB		 1083 if (!esw_cfg->mac_override)
1084 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1085
ee07c1a7
RB		 1086 if (!esw_cfg->promisc_mode)
1087 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1088}
1089
d71170fb 1090int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1091{
1092 struct qlcnic_esw_func_cfg esw_cfg;
1093
1094 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1095 return 0;
1096
b1fc6d3c 1097 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1098 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1099 return -EIO;
8cf61f89 1100 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1101 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1102 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1103
1104 return 0;
1105}
1106
147a9088
SS		 1107void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1108 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1109{
1110 struct net_device *netdev = adapter->netdev;
13159183
SC		 1111
1112 if (qlcnic_83xx_check(adapter))
1113 return;
0325d69b 1114
147a9088
SS		 1115 adapter->offload_flags = esw_cfg->offload_flags;
1116 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1117 netdev_update_features(netdev);
1118 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1119}
1120
0866d96d
AC		 1121static int
1122qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1123{
0866d96d
AC		 1124 u32 op_mode, priv_level;
1125 int err = 0;
1126
174240a8
RB		 1127 err = qlcnic_initialize_nic(adapter);
1128 if (err)
1129 return err;
1130
0866d96d
AC		 1131 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1132 return 0;
1133
13159183 1134 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1135 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1136
1137 if (op_mode == QLC_DEV_DRV_DEFAULT)
1138 priv_level = QLCNIC_MGMT_FUNC;
1139 else
b1fc6d3c 1140 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1141
174240a8 1142 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1143 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1144 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1145 err = qlcnic_init_pci_info(adapter);
1146 if (err)
1147 return err;
1148 /* Set privilege level for other functions */
1149 qlcnic_set_function_modes(adapter);
1150 dev_info(&adapter->pdev->dev,
1151 "HAL Version: %d, Management function\n",
79788450 1152 adapter->ahw->fw_hal_version);
0866d96d 1153 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1154 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1155 dev_info(&adapter->pdev->dev,
1156 "HAL Version: %d, Privileged function\n",
79788450 1157 adapter->ahw->fw_hal_version);
0866d96d 1158 }
174240a8 1159 }
0866d96d
AC		 1160
1161 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1162
1163 return err;
1164}
1165
d71170fb 1166int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1167{
1168 struct qlcnic_esw_func_cfg esw_cfg;
1169 struct qlcnic_npar_info *npar;
1170 u8 i;
1171
174240a8 1172 if (adapter->need_fw_reset)
0325d69b
RB		 1173 return 0;
1174
bff57d8e 1175 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1176 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1177 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1178 esw_cfg.mac_override = BIT_0;
ee07c1a7 1179 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1180 if (qlcnic_82xx_check(adapter)) {
1181 esw_cfg.offload_flags = BIT_0;
1182 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1183 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1184 }
0325d69b
RB		 1185 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1186 return -EIO;
1187 npar = &adapter->npars[i];
1188 npar->pvid = esw_cfg.vlan_id;
7373373d 1189 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1190 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1191 npar->discard_tagged = esw_cfg.discard_tagged;
1192 npar->promisc_mode = esw_cfg.promisc_mode;
1193 npar->offload_flags = esw_cfg.offload_flags;
1194 }
1195
1196 return 0;
1197}
1198
13159183 1199
4e8acb01
RB		 1200static int
1201qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1202 struct qlcnic_npar_info *npar, int pci_func)
1203{
1204 struct qlcnic_esw_func_cfg esw_cfg;
1205 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1206 esw_cfg.pci_func = pci_func;
1207 esw_cfg.vlan_id = npar->pvid;
7373373d 1208 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1209 esw_cfg.discard_tagged = npar->discard_tagged;
1210 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1211 esw_cfg.offload_flags = npar->offload_flags;
1212 esw_cfg.promisc_mode = npar->promisc_mode;
1213 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1214 return -EIO;
1215
1216 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1217 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1218 return -EIO;
1219
1220 return 0;
1221}
1222
d71170fb 1223int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1224{
4e8acb01 1225 int i, err;
cea8975e
AC		 1226 struct qlcnic_npar_info *npar;
1227 struct qlcnic_info nic_info;
bff57d8e 1228 u8 pci_func;
cea8975e 1229
bff57d8e
SC		 1230 if (qlcnic_82xx_check(adapter))
1231 if (!adapter->need_fw_reset)
1232 return 0;
cea8975e 1233
4e8acb01 1234 /* Set the NPAR config data after FW reset */
bff57d8e 1235 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1236 npar = &adapter->npars[i];
bff57d8e
SC		 1237 pci_func = npar->pci_func;
1238 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1239 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1240 if (err)
1241 return err;
1242 nic_info.min_tx_bw = npar->min_bw;
1243 nic_info.max_tx_bw = npar->max_bw;
1244 err = qlcnic_set_nic_info(adapter, &nic_info);
1245 if (err)
1246 return err;
cea8975e 1247
4e8acb01
RB		 1248 if (npar->enable_pm) {
1249 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1250 npar->dest_npar, 1,
1251 pci_func);
4e8acb01
RB		 1252 if (err)
1253 return err;
cea8975e 1254 }
bff57d8e 1255 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1256 if (err)
1257 return err;
cea8975e 1258 }
4e8acb01 1259 return 0;
cea8975e
AC		 1260}
1261
78f84e1a
AKS		 1262static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1263{
1264 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1265 u32 npar_state;
1266
79788450 1267 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1268 return 0;
1269
a15ebd37
HM		 1270 npar_state = QLC_SHARED_REG_RD32(adapter,
1271 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1272 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1273 msleep(1000);
a15ebd37
HM		 1274 npar_state = QLC_SHARED_REG_RD32(adapter,
1275 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1276 }
1277 if (!npar_opt_timeo) {
1278 dev_err(&adapter->pdev->dev,
8a168ca7 1279 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1280 return -EIO;
1281 }
1282 return 0;
1283}
1284
174240a8
RB		 1285static int
1286qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1287{
1288 int err;
1289
1290 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1291 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1292 return 0;
1293
1294 err = qlcnic_set_default_offload_settings(adapter);
1295 if (err)
1296 return err;
1297
1298 err = qlcnic_reset_npar_config(adapter);
1299 if (err)
1300 return err;
1301
1302 qlcnic_dev_set_npar_ready(adapter);
1303
1304 return err;
1305}
1306
7e2cf4fe 1307int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1308{
d4066833 1309 int err;
af19b491 1310
aa5e18c0
SC		 1311 err = qlcnic_can_start_firmware(adapter);
1312 if (err < 0)
1313 return err;
1314 else if (!err)
d4066833 1315 goto check_fw_status;
af19b491 1316
099f7aa7 1317 if (qlcnic_load_fw_file)
4d5bdb38 1318 qlcnic_request_firmware(adapter);
8f891387 1319 else {
8cfdce08
SC		 1320 err = qlcnic_check_flash_fw_ver(adapter);
1321 if (err)
8f891387 1322 goto err_out;
1323
79788450 1324 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1325 }
af19b491
AKS		 1326
1327 err = qlcnic_need_fw_reset(adapter);
af19b491 1328 if (err == 0)
4e70812b 1329 goto check_fw_status;
af19b491 1330
d4066833
SC		 1331 err = qlcnic_pinit_from_rom(adapter);
1332 if (err)
1333 goto err_out;
af19b491
AKS		 1334
1335 err = qlcnic_load_firmware(adapter);
1336 if (err)
1337 goto err_out;
1338
1339 qlcnic_release_firmware(adapter);
d4066833 1340 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1341
d4066833
SC		 1342check_fw_status:
1343 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1344 if (err)
1345 goto err_out;
1346
a15ebd37 1347 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1348 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1349 err = qlcnic_check_eswitch_mode(adapter);
1350 if (err) {
1351 dev_err(&adapter->pdev->dev,
1352 "Memory allocation failed for eswitch\n");
1353 goto err_out;
1354 }
174240a8
RB		 1355 err = qlcnic_set_mgmt_operations(adapter);
1356 if (err)
1357 goto err_out;
1358
1359 qlcnic_check_options(adapter);
af19b491
AKS		 1360 adapter->need_fw_reset = 0;
1361
a7fc948f
AKS		 1362 qlcnic_release_firmware(adapter);
1363 return 0;
af19b491
AKS		 1364
1365err_out:
a15ebd37 1366 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1367 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1368
af19b491
AKS		 1369 qlcnic_release_firmware(adapter);
1370 return err;
1371}
1372
1373static int
1374qlcnic_request_irq(struct qlcnic_adapter *adapter)
1375{
1376 irq_handler_t handler;
1377 struct qlcnic_host_sds_ring *sds_ring;
13159183 1378 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1379 int err, ring, num_sds_rings;
af19b491
AKS		 1380
1381 unsigned long flags = 0;
1382 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1383 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1384
79788450 1385 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1386 if (qlcnic_82xx_check(adapter))
1387 handler = qlcnic_tmp_intr;
c2534384
MC		 1388 else
1389 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1390 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1391 flags |= IRQF_SHARED;
1392
1393 } else {
1394 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1395 handler = qlcnic_msix_intr;
1396 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1397 handler = qlcnic_msi_intr;
1398 else {
1399 flags |= IRQF_SHARED;
ac166700
HM		 1400 if (qlcnic_82xx_check(adapter))
1401 handler = qlcnic_intr;
1402 else
1403 handler = qlcnic_83xx_intr;
7eb9855d 1404 }
af19b491
AKS		 1405 }
1406 adapter->irq = netdev->irq;
1407
13159183 1408 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1409 if (qlcnic_82xx_check(adapter) ||
1410 (qlcnic_83xx_check(adapter) &&
1411 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1412 num_sds_rings = adapter->max_sds_rings;
1413 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1414 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1415 if (qlcnic_82xx_check(adapter) &&
aa2a8034
HM		 1416 (ring == (num_sds_rings - 1))) {
1417 if (!(adapter->flags &
1418 QLCNIC_MSIX_ENABLED))
1419 snprintf(sds_ring->name,
1420 sizeof(sds_ring->name),
1421 "qlcnic");
1422 else
1423 snprintf(sds_ring->name,
1424 sizeof(sds_ring->name),
1425 "%s-tx-0-rx-%d",
1426 netdev->name, ring);
1427 } else {
ddb2e174
HM		 1428 snprintf(sds_ring->name,
1429 sizeof(sds_ring->name),
aa2a8034 1430 "%s-rx-%d",
ddb2e174 1431 netdev->name, ring);
aa2a8034 1432 }
ac166700
HM		 1433 err = request_irq(sds_ring->irq, handler, flags,
1434 sds_ring->name, sds_ring);
1435 if (err)
1436 return err;
1437 }
13159183
SC		 1438 }
1439 if (qlcnic_83xx_check(adapter) &&
da6c8063
RB		 1440 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1441 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1442 handler = qlcnic_msix_tx_intr;
1443 for (ring = 0; ring < adapter->max_drv_tx_rings;
1444 ring++) {
1445 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1446 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1447 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1448 err = request_irq(tx_ring->irq, handler, flags,
1449 tx_ring->name, tx_ring);
1450 if (err)
1451 return err;
1452 }
1453 }
af19b491 1454 }
af19b491
AKS		 1455 return 0;
1456}
1457
1458static void
1459qlcnic_free_irq(struct qlcnic_adapter *adapter)
1460{
1461 int ring;
1462 struct qlcnic_host_sds_ring *sds_ring;
13159183 1463 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1464
b1fc6d3c 1465 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1466
13159183 1467 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1468 if (qlcnic_82xx_check(adapter) ||
1469 (qlcnic_83xx_check(adapter) &&
1470 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1471 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1472 sds_ring = &recv_ctx->sds_rings[ring];
1473 free_irq(sds_ring->irq, sds_ring);
1474 }
13159183 1475 }
da6c8063
RB		 1476 if (qlcnic_83xx_check(adapter) &&
1477 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1478 for (ring = 0; ring < adapter->max_drv_tx_rings;
1479 ring++) {
1480 tx_ring = &adapter->tx_ring[ring];
1481 if (tx_ring->irq)
1482 free_irq(tx_ring->irq, tx_ring);
1483 }
1484 }
af19b491
AKS		 1485 }
1486}
1487
99e85879
SS		 1488static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1489{
1490 u32 capab = 0;
1491
1492 if (qlcnic_82xx_check(adapter)) {
db131786 1493 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1494 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1495 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1496 } else {
1497 capab = adapter->ahw->capabilities;
1498 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1499 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1500 }
1501}
1502
319ecf12 1503int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1504{
8a15ad1f
AKS		 1505 int ring;
1506 struct qlcnic_host_rds_ring *rds_ring;
1507
af19b491
AKS		 1508 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1509 return -EIO;
1510
8a15ad1f
AKS		 1511 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1512 return 0;
0325d69b
RB		 1513 if (qlcnic_set_eswitch_port_config(adapter))
1514 return -EIO;
99e85879 1515 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1516
8a15ad1f
AKS		 1517 if (qlcnic_fw_create_ctx(adapter))
1518 return -EIO;
1519
1520 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1521 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1522 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1523 }
1524
af19b491
AKS		 1525 qlcnic_set_multi(netdev);
1526 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1527
b1fc6d3c 1528 adapter->ahw->linkup = 0;
af19b491
AKS		 1529
1530 if (adapter->max_sds_rings > 1)
1531 qlcnic_config_rss(adapter, 1);
1532
1533 qlcnic_config_intr_coalesce(adapter);
1534
24763d80 1535 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1536 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1537
cfacb172 1538 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1539 qlcnic_napi_enable(adapter);
1540
1541 qlcnic_linkevent_request(adapter, 1);
1542
79788450 1543 adapter->ahw->reset_context = 0;
af19b491
AKS		 1544 return 0;
1545}
1546
629263ac 1547int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1548{
1549 int err = 0;
1550
1551 rtnl_lock();
1552 if (netif_running(netdev))
1553 err = __qlcnic_up(adapter, netdev);
1554 rtnl_unlock();
1555
1556 return err;
1557}
1558
319ecf12 1559void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1560{
1561 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1562 return;
1563
1564 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1565 return;
1566
e8b508ef
RB		 1567 if (qlcnic_sriov_vf_check(adapter))
1568 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1569 smp_mb();
1570 spin_lock(&adapter->tx_clean_lock);
1571 netif_carrier_off(netdev);
0a46bac0 1572 adapter->ahw->linkup = 0;
af19b491
AKS		 1573 netif_tx_disable(netdev);
1574
1575 qlcnic_free_mac_list(adapter);
1576
b5e5492c
AKS		 1577 if (adapter->fhash.fnum)
1578 qlcnic_delete_lb_filters(adapter);
1579
af19b491
AKS		 1580 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1581
1582 qlcnic_napi_disable(adapter);
1583
8a15ad1f 1584 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1585 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1586
1587 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1588 qlcnic_release_tx_buffers(adapter);
1589 spin_unlock(&adapter->tx_clean_lock);
1590}
1591
1592/* Usage: During suspend and firmware recovery module */
1593
629263ac 1594void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1595{
1596 rtnl_lock();
1597 if (netif_running(netdev))
1598 __qlcnic_down(adapter, netdev);
1599 rtnl_unlock();
1600
1601}
1602
319ecf12 1603int
af19b491
AKS		 1604qlcnic_attach(struct qlcnic_adapter *adapter)
1605{
1606 struct net_device *netdev = adapter->netdev;
1607 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1608 int err;
af19b491
AKS		 1609
1610 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1611 return 0;
1612
af19b491
AKS		 1613 err = qlcnic_napi_add(adapter, netdev);
1614 if (err)
1615 return err;
1616
1617 err = qlcnic_alloc_sw_resources(adapter);
1618 if (err) {
1619 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1620 goto err_out_napi_del;
af19b491
AKS		 1621 }
1622
1623 err = qlcnic_alloc_hw_resources(adapter);
1624 if (err) {
1625 dev_err(&pdev->dev, "Error in setting hw resources\n");
1626 goto err_out_free_sw;
1627 }
1628
af19b491
AKS		 1629 err = qlcnic_request_irq(adapter);
1630 if (err) {
1631 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1632 goto err_out_free_hw;
af19b491
AKS		 1633 }
1634
af19b491
AKS		 1635 qlcnic_create_sysfs_entries(adapter);
1636
1637 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1638 return 0;
1639
8a15ad1f 1640err_out_free_hw:
af19b491
AKS		 1641 qlcnic_free_hw_resources(adapter);
1642err_out_free_sw:
1643 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1644err_out_napi_del:
1645 qlcnic_napi_del(adapter);
af19b491
AKS		 1646 return err;
1647}
1648
319ecf12 1649void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1650{
1651 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1652 return;
1653
1654 qlcnic_remove_sysfs_entries(adapter);
1655
1656 qlcnic_free_hw_resources(adapter);
1657 qlcnic_release_rx_buffers(adapter);
1658 qlcnic_free_irq(adapter);
1659 qlcnic_napi_del(adapter);
1660 qlcnic_free_sw_resources(adapter);
1661
1662 adapter->is_up = 0;
1663}
1664
7eb9855d
AKS		 1665void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1666{
1667 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1668 struct qlcnic_host_sds_ring *sds_ring;
1669 int ring;
1670
78ad3892 1671 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1672 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1673 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1674 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1675 qlcnic_disable_int(sds_ring);
cdaff185 1676 }
7eb9855d
AKS		 1677 }
1678
8a15ad1f
AKS		 1679 qlcnic_fw_destroy_ctx(adapter);
1680
7eb9855d
AKS		 1681 qlcnic_detach(adapter);
1682
79788450 1683 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1684 adapter->max_sds_rings = max_sds_rings;
1685
1686 if (qlcnic_attach(adapter))
34ce3626 1687 goto out;
7eb9855d
AKS		 1688
1689 if (netif_running(netdev))
1690 __qlcnic_up(adapter, netdev);
34ce3626 1691out:
7eb9855d
AKS		 1692 netif_device_attach(netdev);
1693}
1694
b1fc6d3c
AC		 1695static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1696{
be273dc1 1697 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1698 int err = 0;
be273dc1 1699
b1fc6d3c
AC		 1700 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1701 GFP_KERNEL);
1702 if (!adapter->recv_ctx) {
b1fc6d3c 1703 err = -ENOMEM;
8816d009 1704 goto err_out;
b1fc6d3c 1705 }
8816d009 1706 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1707 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1708 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1709 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1710 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1711 if (qlcnic_83xx_check(adapter)) {
1712 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1713 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1714 }
4be41e92
SC		 1715 /* clear stats */
1716 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1717err_out:
1718 return err;
1719}
1720
1721static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1722{
1723 kfree(adapter->recv_ctx);
1724 adapter->recv_ctx = NULL;
1725
18f2f616
AC		 1726 if (adapter->ahw->fw_dump.tmpl_hdr) {
1727 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1728 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1729 }
4be41e92 1730
81d0aeb0 1731 kfree(adapter->ahw->reset.buff);
4be41e92 1732 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1733}
1734
7eb9855d
AKS		 1735int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1736{
1737 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1738 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1739 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1740 int ring;
1741 int ret;
1742
1743 netif_device_detach(netdev);
1744
1745 if (netif_running(netdev))
1746 __qlcnic_down(adapter, netdev);
1747
1748 qlcnic_detach(adapter);
1749
1750 adapter->max_sds_rings = 1;
79788450 1751 adapter->ahw->diag_test = test;
4be41e92 1752 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1753
1754 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1755 if (ret) {
1756 netif_device_attach(netdev);
7eb9855d 1757 return ret;
34ce3626 1758 }
7eb9855d 1759
8a15ad1f
AKS		 1760 ret = qlcnic_fw_create_ctx(adapter);
1761 if (ret) {
1762 qlcnic_detach(adapter);
57e46248 1763 netif_device_attach(netdev);
8a15ad1f
AKS		 1764 return ret;
1765 }
1766
1767 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1768 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1769 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1770 }
1771
79788450 1772 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1773 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1774 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1775 qlcnic_enable_int(sds_ring);
cdaff185 1776 }
7eb9855d 1777 }
22c8c934 1778
79788450 1779 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1780 adapter->ahw->loopback_state = 0;
1781 qlcnic_linkevent_request(adapter, 1);
1782 }
1783
78ad3892 1784 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1785
1786 return 0;
1787}
1788
68bf1c68
AKS		 1789/* Reset context in hardware only */
1790static int
1791qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1792{
1793 struct net_device *netdev = adapter->netdev;
1794
1795 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1796 return -EBUSY;
1797
1798 netif_device_detach(netdev);
1799
1800 qlcnic_down(adapter, netdev);
1801
1802 qlcnic_up(adapter, netdev);
1803
1804 netif_device_attach(netdev);
1805
1806 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1807 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1808 return 0;
1809}
1810
af19b491
AKS		 1811int
1812qlcnic_reset_context(struct qlcnic_adapter *adapter)
1813{
1814 int err = 0;
1815 struct net_device *netdev = adapter->netdev;
1816
1817 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1818 return -EBUSY;
1819
1820 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1821
1822 netif_device_detach(netdev);
1823
1824 if (netif_running(netdev))
1825 __qlcnic_down(adapter, netdev);
1826
1827 qlcnic_detach(adapter);
1828
1829 if (netif_running(netdev)) {
1830 err = qlcnic_attach(adapter);
1d5c88e3 1831 if (!err) {
34ce3626 1832 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1833 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1834 }
af19b491
AKS		 1835 }
1836
1837 netif_device_attach(netdev);
1838 }
1839
af19b491
AKS		 1840 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1841 return err;
1842}
1843
52e493d0
JK		 1844void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1845{
1846 struct qlcnic_hardware_context *ahw = adapter->ahw;
1847 u16 act_pci_fn = ahw->act_pci_func;
1848 u16 count;
1849
1850 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1851 if (act_pci_fn <= 2)
1852 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
1853 act_pci_fn;
1854 else
1855 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
1856 act_pci_fn;
1857 ahw->max_uc_count = count;
1858}
1859
f8468331 1860int
5ad6ff9d
SC		 1861qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1862 int pci_using_dac)
af19b491
AKS		 1863{
1864 int err;
1865 struct pci_dev *pdev = adapter->pdev;
1866
13159183 1867 adapter->rx_csum = 1;
79788450 1868 adapter->ahw->mc_enabled = 0;
52e493d0 1869 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 1870
1871 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1872 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1873
1874 qlcnic_change_mtu(netdev, netdev->mtu);
1875
d1a1105e
RB		 1876 if (qlcnic_sriov_vf_check(adapter))
1877 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1878 else
1879 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1880
7e38d04b 1881 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1882 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1883 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1884 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1885 NETIF_F_IPV6_CSUM);
ac8d0c4f 1886
13159183
SC		 1887 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1888 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1889 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1890 }
af19b491 1891
13159183
SC		 1892 if (pci_using_dac) {
1893 netdev->features |= NETIF_F_HIGHDMA;
1894 netdev->vlan_features |= NETIF_F_HIGHDMA;
1895 }
af19b491 1896
13159183 1897 if (qlcnic_vlan_tx_check(adapter))
f646968f 1898 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 1899
91b7282b
RB		 1900 if (qlcnic_sriov_vf_check(adapter))
1901 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1902
13159183
SC		 1903 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1904 netdev->features |= NETIF_F_LRO;
135d84a9 1905
7e38d04b 1906 netdev->hw_features = netdev->features;
52e493d0 1907 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 1908 netdev->irq = adapter->msix_entries[0].vector;
1909
af19b491
AKS		 1910 err = register_netdev(netdev);
1911 if (err) {
1912 dev_err(&pdev->dev, "failed to register net device\n");
1913 return err;
1914 }
1915
1916 return 0;
1917}
1918
5ad6ff9d 1919static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1920{
1921 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1922 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1923 *pci_using_dac = 1;
1924 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1925 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1926 *pci_using_dac = 0;
1927 else {
1928 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1929 return -EIO;
1930 }
1931
1932 return 0;
1933}
1934
4be41e92
SC		 1935void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1936{
1937 int ring;
1938 struct qlcnic_host_tx_ring *tx_ring;
1939
1940 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1941 tx_ring = &adapter->tx_ring[ring];
1942 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1943 vfree(tx_ring->cmd_buf_arr);
1944 tx_ring->cmd_buf_arr = NULL;
1945 }
1946 }
1947 if (adapter->tx_ring != NULL)
1948 kfree(adapter->tx_ring);
1949}
1950
1951int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1952 struct net_device *netdev)
1953{
b2adaca9 1954 int ring, vector, index;
4be41e92
SC		 1955 struct qlcnic_host_tx_ring *tx_ring;
1956 struct qlcnic_cmd_buffer *cmd_buf_arr;
1957
b2adaca9
JP		 1958 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1959 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1960 if (tx_ring == NULL)
4be41e92 1961 return -ENOMEM;
b2adaca9 1962
4be41e92
SC		 1963 adapter->tx_ring = tx_ring;
1964
1965 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1966 tx_ring = &adapter->tx_ring[ring];
1967 tx_ring->num_desc = adapter->num_txd;
1968 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1969 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1970 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1971 qlcnic_free_tx_rings(adapter);
1972 return -ENOMEM;
1973 }
1974 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1975 tx_ring->cmd_buf_arr = cmd_buf_arr;
1976 }
1977
1978 if (qlcnic_83xx_check(adapter)) {
1979 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1980 tx_ring = &adapter->tx_ring[ring];
1981 tx_ring->adapter = adapter;
1982 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1983 index = adapter->max_sds_rings + ring;
1984 vector = adapter->msix_entries[index].vector;
1985 tx_ring->irq = vector;
1986 }
1987 }
1988 }
1989 return 0;
1990}
1991
8af3f33d
PP		 1992void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
1993{
1994 struct qlcnic_hardware_context *ahw = adapter->ahw;
1995 u32 fw_cmd = 0;
1996
1997 if (qlcnic_82xx_check(adapter))
1998 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
1999 else if (qlcnic_83xx_check(adapter))
2000 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2001
2002 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2003 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2004 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2005}
2006
6bb58bb0 2007static int
af19b491
AKS		 2008qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2009{
2010 struct net_device *netdev = NULL;
2011 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2012 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2013 int err, pci_using_dac = -1;
7bc48646 2014 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2015
f8468331
RB		 2016 if (pdev->is_virtfn)
2017 return -ENODEV;
2018
af19b491
AKS		 2019 err = pci_enable_device(pdev);
2020 if (err)
2021 return err;
2022
2023 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2024 err = -ENODEV;
2025 goto err_out_disable_pdev;
2026 }
2027
1bb09fb9
AKS		 2028 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2029 if (err)
2030 goto err_out_disable_pdev;
2031
af19b491
AKS		 2032 err = pci_request_regions(pdev, qlcnic_driver_name);
2033 if (err)
2034 goto err_out_disable_pdev;
2035
2036 pci_set_master(pdev);
451724c8 2037 pci_enable_pcie_error_reporting(pdev);
af19b491 2038
7e2cf4fe 2039 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2040 if (!ahw) {
2041 err = -ENOMEM;
7e2cf4fe 2042 goto err_out_free_res;
02135582 2043 }
7e2cf4fe 2044
f8468331
RB		 2045 switch (ent->device) {
2046 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2047 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2048 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2049 break;
2050 case PCI_DEVICE_ID_QLOGIC_QLE834X:
13159183 2051 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2052 break;
2053 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2054 qlcnic_sriov_vf_register_map(ahw);
2055 break;
2056 default:
13159183 2057 goto err_out_free_hw_res;
7e2cf4fe
SC		 2058 }
2059
2060 err = qlcnic_setup_pci_map(pdev, ahw);
2061 if (err)
2062 goto err_out_free_hw_res;
2063
af19b491
AKS		 2064 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2065 if (!netdev) {
af19b491 2066 err = -ENOMEM;
7e2cf4fe 2067 goto err_out_iounmap;
af19b491
AKS		 2068 }
2069
2070 SET_NETDEV_DEV(netdev, &pdev->dev);
2071
2072 adapter = netdev_priv(netdev);
2073 adapter->netdev = netdev;
2074 adapter->pdev = pdev;
13159183
SC		 2075 adapter->ahw = ahw;
2076
2077 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2078 if (adapter->qlcnic_wq == NULL) {
02135582 2079 err = -ENOMEM;
13159183
SC		 2080 dev_err(&pdev->dev, "Failed to create workqueue\n");
2081 goto err_out_free_netdev;
2082 }
af19b491 2083
2dfc9671
PST		 2084 err = qlcnic_alloc_adapter_resources(adapter);
2085 if (err)
b1fc6d3c
AC		 2086 goto err_out_free_netdev;
2087
2088 adapter->dev_rst_time = jiffies;
7e2cf4fe 2089 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2090 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2091 adapter->fdb_mac_learn = true;
2092 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2093 adapter->drv_mac_learn = true;
7e2cf4fe 2094 adapter->max_drv_tx_rings = 1;
af19b491 2095
b1fc6d3c
AC		 2096 rwlock_init(&adapter->ahw->crb_lock);
2097 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 2098
2099 spin_lock_init(&adapter->tx_clean_lock);
2100 INIT_LIST_HEAD(&adapter->mac_list);
2101
7e2cf4fe 2102 if (qlcnic_82xx_check(adapter)) {
13159183 2103 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2104 adapter->portnum = adapter->ahw->pci_func;
2105 err = qlcnic_start_firmware(adapter);
2106 if (err) {
2107 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2108 goto err_out_free_hw;
2109 }
af19b491 2110
7e2cf4fe
SC		 2111 err = qlcnic_setup_idc_param(adapter);
2112 if (err)
2113 goto err_out_free_hw;
b0044bcf 2114
7e2cf4fe 2115 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 2116 } else if (qlcnic_83xx_check(adapter)) {
2117 qlcnic_83xx_check_vf(adapter, ent);
2118 adapter->portnum = adapter->ahw->pci_func;
f8468331 2119 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2120 if (err) {
2121 dev_err(&pdev->dev, "%s: failed\n", __func__);
2122 goto err_out_free_hw;
2123 }
f8468331
RB		 2124 if (qlcnic_sriov_vf_check(adapter))
2125 return 0;
13159183
SC		 2126 } else {
2127 dev_err(&pdev->dev,
2128 "%s: failed. Please Reboot\n", __func__);
2129 goto err_out_free_hw;
a7fc948f 2130 }
af19b491 2131
da48e6c3
RB		 2132 if (qlcnic_read_mac_addr(adapter))
2133 dev_warn(&pdev->dev, "failed to read mac addr\n");
2134
2135 if (adapter->portnum == 0) {
22999798 2136 qlcnic_get_board_name(adapter, board_name);
13159183 2137
da48e6c3 2138 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2139 module_name(THIS_MODULE),
2140 board_name, adapter->ahw->revision_id);
da48e6c3 2141 }
460374f7
HM		 2142
2143 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2144 !!qlcnic_use_msi)
2145 dev_warn(&pdev->dev,
01b91f4c 2146 "Device does not support MSI interrupts\n");
460374f7 2147
7e2cf4fe 2148 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 2149 if (err) {
2150 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 2151 goto err_out_disable_msi;
9a97e705 2152 }
f94bc1e7 2153
13159183
SC		 2154 if (qlcnic_83xx_check(adapter)) {
2155 err = qlcnic_83xx_setup_mbx_intr(adapter);
2156 if (err)
2157 goto err_out_disable_msi;
2158 }
af19b491 2159
02135582
SC		 2160 err = qlcnic_get_act_pci_func(adapter);
2161 if (err)
2162 goto err_out_disable_mbx_intr;
2163
1bb09fb9 2164 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2165 if (err)
7e2cf4fe 2166 goto err_out_disable_mbx_intr;
af19b491 2167
8af3f33d 2168 qlcnic_set_drv_version(adapter);
c84e340a 2169
af19b491
AKS		 2170 pci_set_drvdata(pdev, adapter);
2171
97ee45eb
SC		 2172 if (qlcnic_82xx_check(adapter))
2173 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2174 FW_POLL_DELAY);
af19b491 2175
b1fc6d3c 2176 switch (adapter->ahw->port_type) {
af19b491
AKS		 2177 case QLCNIC_GBE:
2178 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2179 adapter->netdev->name);
2180 break;
2181 case QLCNIC_XGBE:
2182 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2183 adapter->netdev->name);
2184 break;
2185 }
2186
fe1adc6b 2187 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2188 qlcnic_alloc_lb_filters_mem(adapter);
2189
7e2cf4fe 2190 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2191
2192 return 0;
2193
7e2cf4fe 2194err_out_disable_mbx_intr:
7dd90cf1 2195 if (qlcnic_83xx_check(adapter))
13159183 2196 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2197
af19b491
AKS		 2198err_out_disable_msi:
2199 qlcnic_teardown_intr(adapter);
7e2cf4fe 2200 qlcnic_cancel_idc_work(adapter);
21854f02 2201 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2202
b1fc6d3c
AC		 2203err_out_free_hw:
2204 qlcnic_free_adapter_resources(adapter);
2205
af19b491
AKS		 2206err_out_free_netdev:
2207 free_netdev(netdev);
2208
7e2cf4fe 2209err_out_iounmap:
f1a094a8 2210 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2211
2212err_out_free_hw_res:
2213 kfree(ahw);
2214
af19b491
AKS		 2215err_out_free_res:
2216 pci_release_regions(pdev);
2217
2218err_out_disable_pdev:
2219 pci_set_drvdata(pdev, NULL);
2220 pci_disable_device(pdev);
2221 return err;
2222}
2223
6bb58bb0 2224static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2225{
2226 struct qlcnic_adapter *adapter;
2227 struct net_device *netdev;
13159183 2228 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2229
2230 adapter = pci_get_drvdata(pdev);
2231 if (adapter == NULL)
2232 return;
2233
2234 netdev = adapter->netdev;
02feda17 2235 qlcnic_sriov_pf_disable(adapter);
af19b491 2236
13159183
SC		 2237 qlcnic_cancel_idc_work(adapter);
2238 ahw = adapter->ahw;
af19b491
AKS		 2239
2240 unregister_netdev(netdev);
02feda17 2241 qlcnic_sriov_cleanup(adapter);
af19b491 2242
13159183 2243 if (qlcnic_83xx_check(adapter)) {
13159183 2244 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2245 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2246 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2247 }
2248
af19b491
AKS		 2249 qlcnic_detach(adapter);
2250
2e9d722d
AC		 2251 if (adapter->npars != NULL)
2252 kfree(adapter->npars);
2253 if (adapter->eswitch != NULL)
2254 kfree(adapter->eswitch);
2255
97ee45eb
SC		 2256 if (qlcnic_82xx_check(adapter))
2257 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2258
2259 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2260
b5e5492c
AKS		 2261 qlcnic_free_lb_filters_mem(adapter);
2262
af19b491
AKS		 2263 qlcnic_teardown_intr(adapter);
2264
13159183 2265 qlcnic_remove_sysfs(adapter);
af19b491 2266
f1a094a8 2267 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2268
2269 qlcnic_release_firmware(adapter);
2270
451724c8 2271 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2272 pci_release_regions(pdev);
2273 pci_disable_device(pdev);
2274 pci_set_drvdata(pdev, NULL);
2275
13159183
SC		 2276 if (adapter->qlcnic_wq) {
2277 destroy_workqueue(adapter->qlcnic_wq);
2278 adapter->qlcnic_wq = NULL;
2279 }
b1fc6d3c 2280 qlcnic_free_adapter_resources(adapter);
13159183 2281 kfree(ahw);
af19b491
AKS		 2282 free_netdev(netdev);
2283}
af19b491
AKS		 2284
2285static void qlcnic_shutdown(struct pci_dev *pdev)
2286{
2287 if (__qlcnic_shutdown(pdev))
2288 return;
2289
2290 pci_disable_device(pdev);
2291}
2292
2293#ifdef CONFIG_PM
486a5bc7 2294static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2295{
2296 int retval;
2297
2298 retval = __qlcnic_shutdown(pdev);
2299 if (retval)
2300 return retval;
2301
2302 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2303 return 0;
2304}
2305
486a5bc7 2306static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2307{
2308 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2309 int err;
2310
2311 err = pci_enable_device(pdev);
2312 if (err)
2313 return err;
2314
2315 pci_set_power_state(pdev, PCI_D0);
2316 pci_set_master(pdev);
2317 pci_restore_state(pdev);
2318
486a5bc7 2319 return __qlcnic_resume(adapter);
af19b491
AKS		 2320}
2321#endif
2322
2323static int qlcnic_open(struct net_device *netdev)
2324{
2325 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2326 int err;
2327
c55ad8e5
AKS		 2328 netif_carrier_off(netdev);
2329
af19b491
AKS		 2330 err = qlcnic_attach(adapter);
2331 if (err)
2332 return err;
2333
2334 err = __qlcnic_up(adapter, netdev);
2335 if (err)
2336 goto err_out;
2337
2338 netif_start_queue(netdev);
2339
2340 return 0;
2341
2342err_out:
2343 qlcnic_detach(adapter);
2344 return err;
2345}
2346
2347/*
2348 * qlcnic_close - Disables a network interface entry point
2349 */
2350static int qlcnic_close(struct net_device *netdev)
2351{
2352 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2353
2354 __qlcnic_down(adapter, netdev);
13159183 2355
af19b491
AKS		 2356 return 0;
2357}
2358
e5dcf6dc 2359void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2360{
2361 void *head;
2362 int i;
13159183
SC		 2363 struct net_device *netdev = adapter->netdev;
2364 u32 filter_size = 0;
2365 u16 act_pci_func = 0;
b5e5492c 2366
e5dcf6dc 2367 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2368 return;
2369
13159183 2370 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2371 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2372 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2373
13159183
SC		 2374 if (qlcnic_82xx_check(adapter)) {
2375 filter_size = QLCNIC_LB_MAX_FILTERS;
2376 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2377 } else {
2378 filter_size = QLC_83XX_LB_MAX_FILTERS;
2379 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2380 }
2381
2382 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2383 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2384
b5e5492c
AKS		 2385 if (!head)
2386 return;
2387
13159183 2388 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2389 adapter->fhash.fhead = head;
b5e5492c 2390
13159183
SC		 2391 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2392 act_pci_func, adapter->fhash.fmax);
2393
2394 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2395 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2396
2397 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2398
2399 head = kcalloc(adapter->rx_fhash.fbucket_size,
2400 sizeof(struct hlist_head), GFP_ATOMIC);
2401
2402 if (!head)
2403 return;
2404
2405 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2406 adapter->rx_fhash.fhead = head;
2407
2408 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2409 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2410}
2411
2412static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2413{
2414 if (adapter->fhash.fmax && adapter->fhash.fhead)
2415 kfree(adapter->fhash.fhead);
2416
2417 adapter->fhash.fhead = NULL;
2418 adapter->fhash.fmax = 0;
53643a75
SS		 2419
2420 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2421 kfree(adapter->rx_fhash.fhead);
2422
2423 adapter->rx_fhash.fmax = 0;
2424 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2425}
2426
629263ac 2427int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2428{
2429 struct net_device *netdev = adapter->netdev;
97ee45eb 2430 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2431 int rv = 0;
2432
13159183
SC		 2433 if (qlcnic_83xx_check(adapter))
2434 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2435
97ee45eb 2436 if (qlcnic_82xx_check(adapter))
a15ebd37 2437 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2438
2439 temp_state = qlcnic_get_temp_state(temp);
2440 temp_val = qlcnic_get_temp_val(temp);
2441
2442 if (temp_state == QLCNIC_TEMP_PANIC) {
2443 dev_err(&netdev->dev,
2444 "Device temperature %d degrees C exceeds"
2445 " maximum allowed. Hardware has been shut down.\n",
2446 temp_val);
2447 rv = 1;
2448 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2449 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2450 dev_err(&netdev->dev,
2451 "Device temperature %d degrees C "
2452 "exceeds operating range."
2453 " Immediate action needed.\n",
2454 temp_val);
2455 }
2456 } else {
79788450 2457 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2458 dev_info(&netdev->dev,
2459 "Device temperature is now %d degrees C"
2460 " in normal range.\n", temp_val);
2461 }
2462 }
79788450 2463 adapter->ahw->temp = temp_state;
af19b491
AKS		 2464 return rv;
2465}
2466
af19b491
AKS		 2467static void qlcnic_tx_timeout(struct net_device *netdev)
2468{
2469 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2470
2471 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2472 return;
2473
536faa61
SC		 2474 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2475 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2476 if (qlcnic_82xx_check(adapter))
2477 adapter->need_fw_reset = 1;
2478 else if (qlcnic_83xx_check(adapter))
2479 qlcnic_83xx_idc_request_reset(adapter,
2480 QLCNIC_FORCE_FW_DUMP_KEY);
2481 } else {
2482 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
79788450 2483 adapter->ahw->reset_context = 1;
536faa61 2484 }
af19b491
AKS		 2485}
2486
2487static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2488{
2489 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2490 struct net_device_stats *stats = &netdev->stats;
2491
af19b491
AKS		 2492 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2493 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2494 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2495 stats->tx_bytes = adapter->stats.txbytes;
2496 stats->rx_dropped = adapter->stats.rxdropped;
2497 stats->tx_dropped = adapter->stats.txdropped;
2498
2499 return stats;
2500}
2501
7e2cf4fe 2502irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2503{
af19b491
AKS		 2504 u32 status;
2505
2506 status = readl(adapter->isr_int_vec);
2507
79788450 2508 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2509 return IRQ_NONE;
2510
2511 /* check interrupt state machine, to be sure */
2512 status = readl(adapter->crb_int_state_reg);
2513 if (!ISR_LEGACY_INT_TRIGGERED(status))
2514 return IRQ_NONE;
2515
2516 writel(0xffffffff, adapter->tgt_status_reg);
2517 /* read twice to ensure write is flushed */
2518 readl(adapter->isr_int_vec);
2519 readl(adapter->isr_int_vec);
2520
7eb9855d
AKS		 2521 return IRQ_HANDLED;
2522}
2523
2524static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2525{
2526 struct qlcnic_host_sds_ring *sds_ring = data;
2527 struct qlcnic_adapter *adapter = sds_ring->adapter;
2528
2529 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2530 goto done;
2531 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2532 writel(0xffffffff, adapter->tgt_status_reg);
2533 goto done;
2534 }
2535
2536 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2537 return IRQ_NONE;
2538
2539done:
79788450 2540 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2541 qlcnic_enable_int(sds_ring);
2542 return IRQ_HANDLED;
2543}
2544
2545static irqreturn_t qlcnic_intr(int irq, void *data)
2546{
2547 struct qlcnic_host_sds_ring *sds_ring = data;
2548 struct qlcnic_adapter *adapter = sds_ring->adapter;
2549
2550 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2551 return IRQ_NONE;
2552
af19b491
AKS		 2553 napi_schedule(&sds_ring->napi);
2554
2555 return IRQ_HANDLED;
2556}
2557
2558static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2559{
2560 struct qlcnic_host_sds_ring *sds_ring = data;
2561 struct qlcnic_adapter *adapter = sds_ring->adapter;
2562
2563 /* clear interrupt */
2564 writel(0xffffffff, adapter->tgt_status_reg);
2565
2566 napi_schedule(&sds_ring->napi);
2567 return IRQ_HANDLED;
2568}
2569
2570static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2571{
2572 struct qlcnic_host_sds_ring *sds_ring = data;
2573
2574 napi_schedule(&sds_ring->napi);
2575 return IRQ_HANDLED;
2576}
2577
13159183
SC		 2578static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2579{
2580 struct qlcnic_host_tx_ring *tx_ring = data;
2581
2582 napi_schedule(&tx_ring->napi);
2583 return IRQ_HANDLED;
2584}
2585
af19b491
AKS		 2586#ifdef CONFIG_NET_POLL_CONTROLLER
2587static void qlcnic_poll_controller(struct net_device *netdev)
2588{
bf82791e
YL		 2589 int ring;
2590 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2591 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2592 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2593
af19b491 2594 disable_irq(adapter->irq);
bf82791e
YL		 2595 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2596 sds_ring = &recv_ctx->sds_rings[ring];
2597 qlcnic_intr(adapter->irq, sds_ring);
2598 }
af19b491
AKS		 2599 enable_irq(adapter->irq);
2600}
2601#endif
2602
6df900e9
SC		 2603static void
2604qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2605{
2606 u32 val;
2607
2608 val = adapter->portnum & 0xf;
2609 val |= encoding << 7;
2610 val |= (jiffies - adapter->dev_rst_time) << 8;
2611
a15ebd37 2612 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2613 adapter->dev_rst_time = jiffies;
2614}
2615
ade91f8e
AKS		 2616static int
2617qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2618{
2619 u32 val;
2620
2621 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2622 state != QLCNIC_DEV_NEED_QUISCENT);
2623
2624 if (qlcnic_api_lock(adapter))
ade91f8e 2625 return -EIO;
af19b491 2626
a15ebd37 2627 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2628
2629 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2630 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2631 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2632 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2633
a15ebd37 2634 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2635
2636 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2637
2638 return 0;
af19b491
AKS		 2639}
2640
1b95a839
AKS		 2641static int
2642qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2643{
2644 u32 val;
2645
2646 if (qlcnic_api_lock(adapter))
2647 return -EBUSY;
2648
a15ebd37 2649 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2650 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2651 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2652
2653 qlcnic_api_unlock(adapter);
2654
2655 return 0;
2656}
2657
486a5bc7 2658void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2659{
2660 u32 val;
2661
2662 if (qlcnic_api_lock(adapter))
2663 goto err;
2664
a15ebd37 2665 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2666 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2667 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2668
21854f02 2669 if (failed) {
a15ebd37
HM		 2670 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2671 QLCNIC_DEV_FAILED);
21854f02
AKS		 2672 dev_info(&adapter->pdev->dev,
2673 "Device state set to Failed. Please Reboot\n");
2674 } else if (!(val & 0x11111111))
a15ebd37
HM		 2675 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2676 QLCNIC_DEV_COLD);
af19b491 2677
a15ebd37 2678 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2679 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2680 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2681
2682 qlcnic_api_unlock(adapter);
2683err:
2684 adapter->fw_fail_cnt = 0;
032a13c7 2685 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2686 clear_bit(__QLCNIC_START_FW, &adapter->state);
2687 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2688}
2689
f73dfc50 2690/* Grab api lock, before checking state */
af19b491
AKS		 2691static int
2692qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2693{
602ca6f0 2694 int act, state, active_mask;
a15ebd37 2695 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2696
a15ebd37
HM		 2697 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2698 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2699
602ca6f0 2700 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2701 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2702 act = act & active_mask;
2703 }
2704
af19b491
AKS		 2705 if (((state & 0x11111111) == (act & 0x11111111)) ||
2706 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2707 return 0;
2708 else
2709 return 1;
2710}
2711
96f8118c
SC		 2712static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2713{
a15ebd37 2714 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2715
2716 if (val != QLCNIC_DRV_IDC_VER) {
2717 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2718 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2719 }
2720
2721 return 0;
2722}
2723
af19b491
AKS		 2724static int
2725qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2726{
2727 u32 val, prev_state;
aa5e18c0 2728 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2729 u8 portnum = adapter->portnum;
96f8118c 2730 u8 ret;
af19b491 2731
f73dfc50
AKS		 2732 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2733 return 1;
2734
af19b491
AKS		 2735 if (qlcnic_api_lock(adapter))
2736 return -1;
2737
a15ebd37 2738 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2739 if (!(val & (1 << (portnum * 4)))) {
2740 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2741 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2742 }
2743
a15ebd37 2744 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2745 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2746
2747 switch (prev_state) {
2748 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2749 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2750 QLCNIC_DEV_INITIALIZING);
2751 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2752 QLCNIC_DRV_IDC_VER);
6df900e9 2753 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2754 qlcnic_api_unlock(adapter);
2755 return 1;
2756
2757 case QLCNIC_DEV_READY:
96f8118c 2758 ret = qlcnic_check_idc_ver(adapter);
af19b491 2759 qlcnic_api_unlock(adapter);
96f8118c 2760 return ret;
af19b491
AKS		 2761
2762 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2763 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2764 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2765 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2766 break;
2767
2768 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2769 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2770 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2771 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2772 break;
2773
2774 case QLCNIC_DEV_FAILED:
a7fc948f 2775 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2776 qlcnic_api_unlock(adapter);
2777 return -1;
bbd8c6a4
AKS		 2778
2779 case QLCNIC_DEV_INITIALIZING:
2780 case QLCNIC_DEV_QUISCENT:
2781 break;
af19b491
AKS		 2782 }
2783
2784 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2785
2786 do {
af19b491 2787 msleep(1000);
a15ebd37 2788 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2789
2790 if (prev_state == QLCNIC_DEV_QUISCENT)
2791 continue;
2792 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2793
65b5b420
AKS		 2794 if (!dev_init_timeo) {
2795 dev_err(&adapter->pdev->dev,
2796 "Waiting for device to initialize timeout\n");
af19b491 2797 return -1;
65b5b420 2798 }
af19b491
AKS		 2799
2800 if (qlcnic_api_lock(adapter))
2801 return -1;
2802
a15ebd37 2803 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2804 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2805 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2806
96f8118c 2807 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2808 qlcnic_api_unlock(adapter);
2809
96f8118c 2810 return ret;
af19b491
AKS		 2811}
2812
2813static void
2814qlcnic_fwinit_work(struct work_struct *work)
2815{
2816 struct qlcnic_adapter *adapter = container_of(work,
2817 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2818 u32 dev_state = 0xf;
7b749ff4 2819 u32 val;
af19b491 2820
f73dfc50
AKS		 2821 if (qlcnic_api_lock(adapter))
2822 goto err_ret;
af19b491 2823
a15ebd37 2824 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2825 if (dev_state == QLCNIC_DEV_QUISCENT ||
2826 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2827 qlcnic_api_unlock(adapter);
2828 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2829 FW_POLL_DELAY * 2);
2830 return;
2831 }
2832
79788450 2833 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2834 qlcnic_api_unlock(adapter);
2835 goto wait_npar;
9f26f547
AC		 2836 }
2837
16e3cf73
SV		 2838 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2839 dev_state == QLCNIC_DEV_READY) {
2840 dev_info(&adapter->pdev->dev, "Detected state change from "
2841 "DEV_NEED_RESET, skipping ack check\n");
2842 goto skip_ack_check;
2843 }
2844
f73dfc50 2845 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2846 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2847 adapter->reset_ack_timeo);
2848 goto skip_ack_check;
2849 }
2850
2851 if (!qlcnic_check_drv_state(adapter)) {
2852skip_ack_check:
a15ebd37 2853 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2854
f73dfc50 2855 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2856 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2857 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2858 set_bit(__QLCNIC_START_FW, &adapter->state);
2859 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2860 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2861 val = QLC_SHARED_REG_RD32(adapter,
2862 QLCNIC_CRB_DRV_STATE);
7b749ff4 2863 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2864 QLC_SHARED_REG_WR32(adapter,
2865 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2866 }
2867
f73dfc50
AKS		 2868 qlcnic_api_unlock(adapter);
2869
287e38aa 2870 rtnl_lock();
7b749ff4
SV		 2871 if (adapter->ahw->fw_dump.enable &&
2872 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2873 QLCDB(adapter, DRV, "Take FW dump\n");
2874 qlcnic_dump_fw(adapter);
032a13c7 2875 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2876 }
287e38aa 2877 rtnl_unlock();
7b749ff4
SV		 2878
2879 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2880 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2881 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2882 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2883 return;
2884 }
af19b491
AKS		 2885 goto err_ret;
2886 }
2887
f73dfc50 2888 qlcnic_api_unlock(adapter);
aa5e18c0 2889
9f26f547 2890wait_npar:
a15ebd37 2891 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2892 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2893
af19b491 2894 switch (dev_state) {
3c4b23b1 2895 case QLCNIC_DEV_READY:
7e2cf4fe 2896 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2897 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2898 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2899 return;
2900 }
3c4b23b1
AKS		 2901 case QLCNIC_DEV_FAILED:
2902 break;
2903 default:
2904 qlcnic_schedule_work(adapter,
2905 qlcnic_fwinit_work, FW_POLL_DELAY);
2906 return;
af19b491
AKS		 2907 }
2908
2909err_ret:
f73dfc50
AKS		 2910 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2911 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2912 netif_device_attach(adapter->netdev);
21854f02 2913 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2914}
2915
2916static void
2917qlcnic_detach_work(struct work_struct *work)
2918{
2919 struct qlcnic_adapter *adapter = container_of(work,
2920 struct qlcnic_adapter, fw_work.work);
2921 struct net_device *netdev = adapter->netdev;
2922 u32 status;
2923
2924 netif_device_detach(netdev);
2925
b8c17620
AKS		 2926 /* Dont grab rtnl lock during Quiscent mode */
2927 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2928 if (netif_running(netdev))
2929 __qlcnic_down(adapter, netdev);
2930 } else
2931 qlcnic_down(adapter, netdev);
af19b491 2932
a15ebd37 2933 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2934
44f65b29
SC		 2935 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2936 dev_err(&adapter->pdev->dev,
2937 "Detaching the device: peg halt status1=0x%x\n",
2938 status);
2939
2940 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2941 dev_err(&adapter->pdev->dev,
2942 "On board active cooling fan failed. "
2943 "Device has been halted.\n");
2944 dev_err(&adapter->pdev->dev,
2945 "Replace the adapter.\n");
2946 }
2947
af19b491 2948 goto err_ret;
44f65b29 2949 }
af19b491 2950
79788450 2951 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2952 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2953 adapter->ahw->temp);
af19b491 2954 goto err_ret;
44f65b29
SC		 2955 }
2956
602ca6f0
SV		 2957 /* Dont ack if this instance is the reset owner */
2958 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2959 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2960 dev_err(&adapter->pdev->dev,
2961 "Failed to set driver state,"
2962 "detaching the device.\n");
602ca6f0 2963 goto err_ret;
44f65b29 2964 }
602ca6f0 2965 }
af19b491
AKS		 2966
2967 adapter->fw_wait_cnt = 0;
2968
2969 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2970
2971 return;
2972
2973err_ret:
34ce3626 2974 netif_device_attach(netdev);
21854f02 2975 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2976}
2977
3c4b23b1
AKS		 2978/*Transit NPAR state to NON Operational */
2979static void
2980qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2981{
2982 u32 state;
2983
a15ebd37 2984 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2985 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2986 return;
2987
2988 if (qlcnic_api_lock(adapter))
2989 return;
a15ebd37
HM		 2990 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2991 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2992 qlcnic_api_unlock(adapter);
2993}
2994
7e2cf4fe 2995void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2996{
646779f1
SV		 2997 u32 state, xg_val = 0, gb_val = 0;
2998
2999 qlcnic_xg_set_xg0_mask(xg_val);
3000 qlcnic_xg_set_xg1_mask(xg_val);
3001 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3002 qlcnic_gb_set_gb0_mask(gb_val);
3003 qlcnic_gb_set_gb1_mask(gb_val);
3004 qlcnic_gb_set_gb2_mask(gb_val);
3005 qlcnic_gb_set_gb3_mask(gb_val);
3006 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3007 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3008 " on all ports\n");
cea8975e 3009 adapter->need_fw_reset = 1;
13159183 3010
af19b491
AKS		 3011 if (qlcnic_api_lock(adapter))
3012 return;
3013
13159183 3014 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 3015
f73dfc50 3016 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3017 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3018 QLCNIC_DEV_NEED_RESET);
602ca6f0 3019 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3020 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3021 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3022 }
3023
13159183
SC		 3024 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3025 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3026 qlcnic_api_unlock(adapter);
3027}
3028
9f26f547
AC		 3029/* Transit to NPAR READY state from NPAR NOT READY state */
3030static void
3031qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3032{
9f26f547
AC		 3033 if (qlcnic_api_lock(adapter))
3034 return;
3035
a15ebd37
HM		 3036 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3037 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3038 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3039
3040 qlcnic_api_unlock(adapter);
3041}
3042
13159183
SC		 3043void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3044 work_func_t func, int delay)
af19b491 3045{
451724c8
SC		 3046 if (test_bit(__QLCNIC_AER, &adapter->state))
3047 return;
3048
af19b491 3049 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3050 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3051 round_jiffies_relative(delay));
af19b491
AKS		 3052}
3053
3054static void
3055qlcnic_attach_work(struct work_struct *work)
3056{
3057 struct qlcnic_adapter *adapter = container_of(work,
3058 struct qlcnic_adapter, fw_work.work);
3059 struct net_device *netdev = adapter->netdev;
b18971d1 3060 u32 npar_state;
af19b491 3061
79788450 3062 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3063 npar_state = QLC_SHARED_REG_RD32(adapter,
3064 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3065 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3066 qlcnic_clr_all_drv_state(adapter, 0);
3067 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3068 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3069 FW_POLL_DELAY);
3070 else
3071 goto attach;
3072 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3073 return;
3074 }
3075attach:
af19b491 3076 if (netif_running(netdev)) {
52486a3a 3077 if (qlcnic_up(adapter, netdev))
af19b491 3078 goto done;
af19b491 3079
aec1e845 3080 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3081 }
3082
af19b491 3083done:
34ce3626 3084 netif_device_attach(netdev);
af19b491 3085 adapter->fw_fail_cnt = 0;
032a13c7 3086 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3087 clear_bit(__QLCNIC_RESETTING, &adapter->state);
8af3f33d 3088 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3089
3090 if (!qlcnic_clr_drv_state(adapter))
3091 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3092 FW_POLL_DELAY);
af19b491
AKS		 3093}
3094
3095static int
3096qlcnic_check_health(struct qlcnic_adapter *adapter)
3097{
4e70812b 3098 u32 state = 0, heartbeat;
853d4bca 3099 u32 peg_status;
4bd8e738 3100 int err = 0;
af19b491
AKS		 3101
3102 if (qlcnic_check_temp(adapter))
3103 goto detach;
3104
2372a5f1 3105 if (adapter->need_fw_reset)
7e2cf4fe 3106 qlcnic_dev_request_reset(adapter, 0);
af19b491 3107
a15ebd37 3108 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3109 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3110 qlcnic_set_npar_non_operational(adapter);
af19b491 3111 adapter->need_fw_reset = 1;
b8c17620
AKS		 3112 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3113 goto detach;
af19b491 3114
a15ebd37 3115 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3116 if (heartbeat != adapter->heartbeat) {
3117 adapter->heartbeat = heartbeat;
af19b491
AKS		 3118 adapter->fw_fail_cnt = 0;
3119 if (adapter->need_fw_reset)
3120 goto detach;
68bf1c68 3121
0ce54ce4 3122 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3123 qlcnic_reset_hw_context(adapter);
68bf1c68 3124
af19b491
AKS		 3125 return 0;
3126 }
3127
3128 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3129 return 0;
3130
032a13c7
SV		 3131 adapter->flags |= QLCNIC_FW_HANG;
3132
7e2cf4fe 3133 qlcnic_dev_request_reset(adapter, 0);
af19b491 3134
099f7aa7 3135 if (qlcnic_auto_fw_reset)
0df170b6 3136 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3137
853d4bca 3138 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3139 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3140 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3141 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3142 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3143 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3144 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3145 peg_status,
3146 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3147 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3148 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3149 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3150 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3151 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3152 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3153 dev_err(&adapter->pdev->dev,
3154 "Firmware aborted with error code 0x00006700. "
3155 "Device is being reset.\n");
af19b491
AKS		 3156detach:
3157 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3158 QLCNIC_DEV_NEED_RESET;
3159
099f7aa7
SC		 3160 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3161 &adapter->state)) {
65b5b420 3162
af19b491 3163 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3164 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3165 }
af19b491
AKS		 3166
3167 return 1;
3168}
3169
486a5bc7 3170void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3171{
3172 struct qlcnic_adapter *adapter = container_of(work,
3173 struct qlcnic_adapter, fw_work.work);
3174
3175 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3176 goto reschedule;
3177
3178
3179 if (qlcnic_check_health(adapter))
3180 return;
3181
b5e5492c
AKS		 3182 if (adapter->fhash.fnum)
3183 qlcnic_prune_lb_filters(adapter);
3184
af19b491
AKS		 3185reschedule:
3186 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3187}
3188
451724c8
SC		 3189static int qlcnic_is_first_func(struct pci_dev *pdev)
3190{
3191 struct pci_dev *oth_pdev;
3192 int val = pdev->devfn;
3193
3194 while (val-- > 0) {
3195 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3196 (pdev->bus), pdev->bus->number,
3197 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3198 if (!oth_pdev)
3199 continue;
451724c8 3200
bfc978fa
AKS		 3201 if (oth_pdev->current_state != PCI_D3cold) {
3202 pci_dev_put(oth_pdev);
451724c8 3203 return 0;
bfc978fa
AKS		 3204 }
3205 pci_dev_put(oth_pdev);
451724c8
SC		 3206 }
3207 return 1;
3208}
3209
3210static int qlcnic_attach_func(struct pci_dev *pdev)
3211{
3212 int err, first_func;
3213 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3214 struct net_device *netdev = adapter->netdev;
3215
3216 pdev->error_state = pci_channel_io_normal;
3217
3218 err = pci_enable_device(pdev);
3219 if (err)
3220 return err;
3221
451724c8
SC		 3222 pci_set_master(pdev);
3223 pci_restore_state(pdev);
3224
3225 first_func = qlcnic_is_first_func(pdev);
3226
3227 if (qlcnic_api_lock(adapter))
3228 return -EINVAL;
3229
79788450 3230 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3231 adapter->need_fw_reset = 1;
3232 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3233 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3234 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3235 QLCDB(adapter, DRV, "Restarting fw\n");
3236 }
3237 qlcnic_api_unlock(adapter);
3238
13159183 3239 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3240 if (err)
3241 return err;
3242
3243 qlcnic_clr_drv_state(adapter);
13159183
SC		 3244 kfree(adapter->msix_entries);
3245 adapter->msix_entries = NULL;
3246 err = qlcnic_setup_intr(adapter, 0);
3247
9a97e705
M		 3248 if (err) {
3249 kfree(adapter->msix_entries);
3250 netdev_err(netdev, "failed to setup interrupt\n");
3251 return err;
3252 }
3253
13159183 3254 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3255 /* register for NIC IDC AEN Events */
3256 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3257 err = qlcnic_83xx_setup_mbx_intr(adapter);
3258 if (err) {
3259 dev_err(&adapter->pdev->dev,
3260 "failed to setup mbx interrupt\n");
3261 qlcnic_clr_all_drv_state(adapter, 1);
3262 clear_bit(__QLCNIC_AER, &adapter->state);
3263 goto done;
3264 }
3265 }
451724c8
SC		 3266
3267 if (netif_running(netdev)) {
3268 err = qlcnic_attach(adapter);
3269 if (err) {
21854f02 3270 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3271 clear_bit(__QLCNIC_AER, &adapter->state);
3272 netif_device_attach(netdev);
3273 return err;
3274 }
3275
3276 err = qlcnic_up(adapter, netdev);
3277 if (err)
3278 goto done;
3279
aec1e845 3280 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3281 }
3282 done:
3283 netif_device_attach(netdev);
3284 return err;
3285}
3286
3287static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3288 pci_channel_state_t state)
3289{
3290 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3291 struct net_device *netdev = adapter->netdev;
3292
3293 if (state == pci_channel_io_perm_failure)
3294 return PCI_ERS_RESULT_DISCONNECT;
3295
3296 if (state == pci_channel_io_normal)
3297 return PCI_ERS_RESULT_RECOVERED;
3298
3299 set_bit(__QLCNIC_AER, &adapter->state);
3300 netif_device_detach(netdev);
3301
3302 cancel_delayed_work_sync(&adapter->fw_work);
3303
3304 if (netif_running(netdev))
3305 qlcnic_down(adapter, netdev);
3306
13159183 3307 if (qlcnic_83xx_check(adapter)) {
13159183 3308 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3309 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3310 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3311 }
3312
451724c8
SC		 3313 qlcnic_detach(adapter);
3314 qlcnic_teardown_intr(adapter);
3315
3316 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3317
3318 pci_save_state(pdev);
3319 pci_disable_device(pdev);
3320
3321 return PCI_ERS_RESULT_NEED_RESET;
3322}
3323
3324static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3325{
3326 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3327 PCI_ERS_RESULT_RECOVERED;
3328}
3329
3330static void qlcnic_io_resume(struct pci_dev *pdev)
3331{
a15ebd37 3332 u32 state;
451724c8
SC		 3333 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3334
3335 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3336 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3337 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3338 &adapter->state))
451724c8
SC		 3339 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3340 FW_POLL_DELAY);
3341}
3342
87eb743b
AC		 3343static int
3344qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3345{
3346 int err;
3347
3348 err = qlcnic_can_start_firmware(adapter);
3349 if (err)
3350 return err;
3351
78f84e1a
AKS		 3352 err = qlcnic_check_npar_opertional(adapter);
3353 if (err)
3354 return err;
3c4b23b1 3355
174240a8
RB		 3356 err = qlcnic_initialize_nic(adapter);
3357 if (err)
3358 return err;
3359
87eb743b
AC		 3360 qlcnic_check_options(adapter);
3361
7373373d
RB		 3362 err = qlcnic_set_eswitch_port_config(adapter);
3363 if (err)
3364 return err;
3365
87eb743b
AC		 3366 adapter->need_fw_reset = 0;
3367
3368 return err;
3369}
3370
6389b76d
MC		 3371int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3372 __u32 val)
f94bc1e7 3373{
6389b76d
MC		 3374 struct net_device *netdev = adapter->netdev;
3375 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3376 u32 max_allowed;
3377
6389b76d
MC		 3378 if (val > QLC_MAX_SDS_RINGS) {
3379 netdev_err(netdev, "RSS value should not be higher than %u\n",
3380 QLC_MAX_SDS_RINGS);
3381 return -EINVAL;
f94bc1e7
SC		 3382 }
3383
319ecf12
SC		 3384 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3385 num_online_cpus()));
3386 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3387 if (!is_power_of_2(val))
3388 netdev_err(netdev, "RSS value should be a power of 2\n");
3389
3390 if (val < 2)
3391 netdev_err(netdev, "RSS value should not be lower than 2\n");
3392
3393 if (val > max_hw)
3394 netdev_err(netdev,
3395 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3396 max_hw);
3397
3398 if (val > num_online_cpus())
3399 netdev_err(netdev,
3400 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3401 num_online_cpus());
3402
3403 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3404
f94bc1e7
SC		 3405 return -EINVAL;
3406 }
3407 return 0;
f94bc1e7
SC		 3408}
3409
319ecf12 3410int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3411{
13159183 3412 int err;
f94bc1e7 3413 struct net_device *netdev = adapter->netdev;
f94bc1e7 3414
319ecf12
SC		 3415 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3416 return -EBUSY;
3417
f94bc1e7
SC		 3418 netif_device_detach(netdev);
3419 if (netif_running(netdev))
3420 __qlcnic_down(adapter, netdev);
13159183 3421
7dd90cf1
SC		 3422 qlcnic_detach(adapter);
3423
7ed3ce48 3424 if (qlcnic_83xx_check(adapter)) {
13159183 3425 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3426 qlcnic_83xx_enable_mbx_poll(adapter);
3427 }
13159183 3428
f94bc1e7 3429 qlcnic_teardown_intr(adapter);
319ecf12 3430 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3431 if (err) {
3432 kfree(adapter->msix_entries);
3433 netdev_err(netdev, "failed to setup interrupt\n");
3434 return err;
3435 }
f94bc1e7 3436
13159183 3437 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3438 /* register for NIC IDC AEN Events */
3439 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3440 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3441 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3442 if (err) {
3443 dev_err(&adapter->pdev->dev,
3444 "failed to setup mbx interrupt\n");
3445 goto done;
3446 }
f94bc1e7
SC		 3447 }
3448
3449 if (netif_running(netdev)) {
3450 err = qlcnic_attach(adapter);
3451 if (err)
3452 goto done;
3453 err = __qlcnic_up(adapter, netdev);
3454 if (err)
3455 goto done;
3456 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3457 }
319ecf12 3458 err = len;
f94bc1e7
SC		 3459 done:
3460 netif_device_attach(netdev);
3461 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3462 return err;
3463}
3464
af19b491
AKS		 3465#ifdef CONFIG_INET
3466
3467#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3468
af19b491 3469static void
aec1e845
AKS		 3470qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3471 struct net_device *dev, unsigned long event)
af19b491
AKS		 3472{
3473 struct in_device *indev;
af19b491 3474
af19b491
AKS		 3475 indev = in_dev_get(dev);
3476 if (!indev)
3477 return;
3478
3479 for_ifa(indev) {
3480 switch (event) {
3481 case NETDEV_UP:
3482 qlcnic_config_ipaddr(adapter,
3483 ifa->ifa_address, QLCNIC_IP_UP);
3484 break;
3485 case NETDEV_DOWN:
3486 qlcnic_config_ipaddr(adapter,
3487 ifa->ifa_address, QLCNIC_IP_DOWN);
3488 break;
3489 default:
3490 break;
3491 }
3492 } endfor_ifa(indev);
3493
3494 in_dev_put(indev);
af19b491
AKS		 3495}
3496
319ecf12 3497void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3498{
3499 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3500 struct net_device *dev;
3501 u16 vid;
3502
3503 qlcnic_config_indev_addr(adapter, netdev, event);
3504
43c00a75 3505 rcu_read_lock();
b9796a14 3506 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3507 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3508 if (!dev)
3509 continue;
aec1e845
AKS		 3510 qlcnic_config_indev_addr(adapter, dev, event);
3511 }
43c00a75 3512 rcu_read_unlock();
aec1e845
AKS		 3513}
3514
af19b491
AKS		 3515static int qlcnic_netdev_event(struct notifier_block *this,
3516 unsigned long event, void *ptr)
3517{
3518 struct qlcnic_adapter *adapter;
351638e7 3519 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 3520
3521recheck:
3522 if (dev == NULL)
3523 goto done;
3524
3525 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3526 dev = vlan_dev_real_dev(dev);
3527 goto recheck;
3528 }
3529
3530 if (!is_qlcnic_netdev(dev))
3531 goto done;
3532
3533 adapter = netdev_priv(dev);
3534
3535 if (!adapter)
3536 goto done;
3537
8a15ad1f 3538 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3539 goto done;
3540
aec1e845 3541 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3542done:
3543 return NOTIFY_DONE;
3544}
3545
3546static int
3547qlcnic_inetaddr_event(struct notifier_block *this,
3548 unsigned long event, void *ptr)
3549{
3550 struct qlcnic_adapter *adapter;
3551 struct net_device *dev;
3552
3553 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3554
3555 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3556
3557recheck:
aec1e845 3558 if (dev == NULL)
af19b491
AKS		 3559 goto done;
3560
3561 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3562 dev = vlan_dev_real_dev(dev);
3563 goto recheck;
3564 }
3565
3566 if (!is_qlcnic_netdev(dev))
3567 goto done;
3568
3569 adapter = netdev_priv(dev);
3570
251a84c9 3571 if (!adapter)
af19b491
AKS		 3572 goto done;
3573
8a15ad1f 3574 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3575 goto done;
3576
3577 switch (event) {
3578 case NETDEV_UP:
3579 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3580
af19b491
AKS		 3581 break;
3582 case NETDEV_DOWN:
3583 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3584
af19b491
AKS		 3585 break;
3586 default:
3587 break;
3588 }
3589
3590done:
3591 return NOTIFY_DONE;
3592}
3593
3594static struct notifier_block qlcnic_netdev_cb = {
3595 .notifier_call = qlcnic_netdev_event,
3596};
3597
3598static struct notifier_block qlcnic_inetaddr_cb = {
3599 .notifier_call = qlcnic_inetaddr_event,
3600};
3601#else
f8ca2b6f 3602void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3603{ }
3604#endif
fec9dd15 3605static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3606 .error_detected = qlcnic_io_error_detected,
3607 .slot_reset = qlcnic_io_slot_reset,
3608 .resume = qlcnic_io_resume,
3609};
af19b491
AKS		 3610
3611static struct pci_driver qlcnic_driver = {
3612 .name = qlcnic_driver_name,
3613 .id_table = qlcnic_pci_tbl,
3614 .probe = qlcnic_probe,
6bb58bb0 3615 .remove = qlcnic_remove,
af19b491
AKS		 3616#ifdef CONFIG_PM
3617 .suspend = qlcnic_suspend,
3618 .resume = qlcnic_resume,
3619#endif
451724c8 3620 .shutdown = qlcnic_shutdown,
02feda17
RB		 3621 .err_handler = &qlcnic_err_handler,
3622#ifdef CONFIG_QLCNIC_SRIOV
3623 .sriov_configure = qlcnic_pci_sriov_configure,
3624#endif
451724c8 3625
af19b491
AKS		 3626};
3627
3628static int __init qlcnic_init_module(void)
3629{
0cf3a14c 3630 int ret;
af19b491
AKS		 3631
3632 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3633
3634#ifdef CONFIG_INET
3635 register_netdevice_notifier(&qlcnic_netdev_cb);
3636 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3637#endif
3638
0cf3a14c
AKS		 3639 ret = pci_register_driver(&qlcnic_driver);
3640 if (ret) {
3641#ifdef CONFIG_INET
3642 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3643 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3644#endif
3645 }
af19b491 3646
0cf3a14c 3647 return ret;
af19b491
AKS		 3648}
3649
3650module_init(qlcnic_init_module);
3651
3652static void __exit qlcnic_exit_module(void)
3653{
af19b491
AKS		 3654 pci_unregister_driver(&qlcnic_driver);
3655
3656#ifdef CONFIG_INET
3657 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3658 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3659#endif
3660}
3661
3662module_exit(qlcnic_exit_module);
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