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qlcnic: Fix ethtool strings
[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;
af19b491 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;
af19b491 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;
af19b491 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;
4d5bdb38 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
629263ac 55int qlcnic_config_npars;
b11a25aa 56module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 57MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
58
1dd06ae8 59static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 60static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 61static int qlcnic_open(struct net_device *netdev);
62static int qlcnic_close(struct net_device *netdev);
af19b491 63static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 64static void qlcnic_attach_work(struct work_struct *work);
65static void qlcnic_fwinit_work(struct work_struct *work);
66static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 67#ifdef CONFIG_NET_POLL_CONTROLLER
68static void qlcnic_poll_controller(struct net_device *netdev);
69#endif
70
6df900e9 71static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 72static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 73static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
74
7eb9855d 75static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 76static irqreturn_t qlcnic_intr(int irq, void *data);
77static irqreturn_t qlcnic_msi_intr(int irq, void *data);
78static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 79static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 80
81static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 82static int qlcnic_start_firmware(struct qlcnic_adapter *);
83
b5e5492c 84static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 85static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 86static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 87static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
88 struct qlcnic_esw_func_cfg *);
80d5c368
PM		 89static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
90static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 91
bff57d8e
SC		 92#define QLCNIC_IS_TSO_CAPABLE(adapter) \
93 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
94
13159183
SC		 95static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
96{
97 struct qlcnic_hardware_context *ahw = adapter->ahw;
98
99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
101 else
102 return 1;
103}
104
af19b491
AKS		 105/* PCI Device ID Table */
106#define ENTRY(device) \
107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
109
6a902881 110static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
af19b491
AKS		 114 {0,}
115};
116
117MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
118
119
5ad6ff9d 120inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 121{
122 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 123}
124
125static const u32 msi_tgt_status[8] = {
126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
130};
131
7e2cf4fe
SC		 132static const u32 qlcnic_reg_tbl[] = {
133 0x1B20A8, /* PEG_HALT_STAT1 */
134 0x1B20AC, /* PEG_HALT_STAT2 */
135 0x1B20B0, /* FW_HEARTBEAT */
136 0x1B2100, /* LOCK ID */
137 0x1B2128, /* FW_CAPABILITIES */
138 0x1B2138, /* drv active */
139 0x1B2140, /* dev state */
140 0x1B2144, /* drv state */
141 0x1B2148, /* drv scratch */
142 0x1B214C, /* dev partition info */
143 0x1B2174, /* drv idc ver */
144 0x1B2150, /* fw version major */
145 0x1B2154, /* fw version minor */
146 0x1B2158, /* fw version sub */
147 0x1B219C, /* npar state */
148 0x1B21FC, /* FW_IMG_VALID */
149 0x1B2250, /* CMD_PEG_STATE */
150 0x1B233C, /* RCV_PEG_STATE */
151 0x1B23B4, /* ASIC TEMP */
152 0x1B216C, /* FW api */
153 0x1B2170, /* drv op mode */
154 0x13C010, /* flash lock */
155 0x13C014, /* flash unlock */
156};
157
22999798 158static const struct qlcnic_board_info qlcnic_boards[] = {
e386cd4a
HM		 159 { PCI_VENDOR_ID_QLOGIC,
160 PCI_DEVICE_ID_QLOGIC_QLE834X,
161 PCI_VENDOR_ID_QLOGIC,
162 0x24e,
163 "8300 Series Dual Port 10GbE Converged Network Adapter "
164 "(TCP/IP Networking)" },
165 { PCI_VENDOR_ID_QLOGIC,
166 PCI_DEVICE_ID_QLOGIC_QLE834X,
167 PCI_VENDOR_ID_QLOGIC,
168 0x243,
169 "8300 Series Single Port 10GbE Converged Network Adapter "
170 "(TCP/IP Networking)" },
171 { PCI_VENDOR_ID_QLOGIC,
172 PCI_DEVICE_ID_QLOGIC_QLE834X,
173 PCI_VENDOR_ID_QLOGIC,
174 0x24a,
175 "8300 Series Dual Port 10GbE Converged Network Adapter "
176 "(TCP/IP Networking)" },
177 { PCI_VENDOR_ID_QLOGIC,
178 PCI_DEVICE_ID_QLOGIC_QLE834X,
179 PCI_VENDOR_ID_QLOGIC,
180 0x246,
181 "8300 Series Dual Port 10GbE Converged Network Adapter "
182 "(TCP/IP Networking)" },
183 { PCI_VENDOR_ID_QLOGIC,
184 PCI_DEVICE_ID_QLOGIC_QLE834X,
185 PCI_VENDOR_ID_QLOGIC,
186 0x252,
187 "8300 Series Dual Port 10GbE Converged Network Adapter "
188 "(TCP/IP Networking)" },
189 { PCI_VENDOR_ID_QLOGIC,
190 PCI_DEVICE_ID_QLOGIC_QLE834X,
191 PCI_VENDOR_ID_QLOGIC,
192 0x26e,
193 "8300 Series Dual Port 10GbE Converged Network Adapter "
194 "(TCP/IP Networking)" },
195 { PCI_VENDOR_ID_QLOGIC,
196 PCI_DEVICE_ID_QLOGIC_QLE834X,
197 PCI_VENDOR_ID_QLOGIC,
198 0x260,
199 "8300 Series Dual Port 10GbE Converged Network Adapter "
200 "(TCP/IP Networking)" },
201 { PCI_VENDOR_ID_QLOGIC,
202 PCI_DEVICE_ID_QLOGIC_QLE834X,
203 PCI_VENDOR_ID_QLOGIC,
204 0x266,
205 "8300 Series Single Port 10GbE Converged Network Adapter "
206 "(TCP/IP Networking)" },
207 { PCI_VENDOR_ID_QLOGIC,
208 PCI_DEVICE_ID_QLOGIC_QLE834X,
209 PCI_VENDOR_ID_QLOGIC,
210 0x269,
211 "8300 Series Dual Port 10GbE Converged Network Adapter "
212 "(TCP/IP Networking)" },
213 { PCI_VENDOR_ID_QLOGIC,
214 PCI_DEVICE_ID_QLOGIC_QLE834X,
215 PCI_VENDOR_ID_QLOGIC,
216 0x271,
217 "8300 Series Dual Port 10GbE Converged Network Adapter "
218 "(TCP/IP Networking)" },
219 { PCI_VENDOR_ID_QLOGIC,
220 PCI_DEVICE_ID_QLOGIC_QLE834X,
221 0x0, 0x0, "8300 Series 1/10GbE Controller" },
222 { PCI_VENDOR_ID_QLOGIC,
223 PCI_DEVICE_ID_QLOGIC_QLE824X,
224 PCI_VENDOR_ID_QLOGIC,
225 0x203,
226 "8200 Series Single Port 10GbE Converged Network Adapter"
227 "(TCP/IP Networking)" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE824X,
230 PCI_VENDOR_ID_QLOGIC,
231 0x207,
232 "8200 Series Dual Port 10GbE Converged Network Adapter"
233 "(TCP/IP Networking)" },
234 { PCI_VENDOR_ID_QLOGIC,
235 PCI_DEVICE_ID_QLOGIC_QLE824X,
236 PCI_VENDOR_ID_QLOGIC,
237 0x20b,
238 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
239 { PCI_VENDOR_ID_QLOGIC,
240 PCI_DEVICE_ID_QLOGIC_QLE824X,
241 PCI_VENDOR_ID_QLOGIC,
242 0x20c,
243 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
244 { PCI_VENDOR_ID_QLOGIC,
245 PCI_DEVICE_ID_QLOGIC_QLE824X,
246 PCI_VENDOR_ID_QLOGIC,
247 0x20f,
248 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
249 { PCI_VENDOR_ID_QLOGIC,
250 PCI_DEVICE_ID_QLOGIC_QLE824X,
251 0x103c, 0x3733,
252 "NC523SFP 10Gb 2-port Server Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 0x103c, 0x3346,
256 "CN1000Q Dual Port Converged Network Adapter" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
259 PCI_VENDOR_ID_QLOGIC,
260 0x210,
261 "QME8242-k 10GbE Dual Port Mezzanine Card" },
262 { PCI_VENDOR_ID_QLOGIC,
263 PCI_DEVICE_ID_QLOGIC_QLE824X,
264 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 265};
266
267#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 268#define QLC_MAX_SDS_RINGS 8
22999798 269
af19b491
AKS		 270static const
271struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
272
c70001a9 273int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 274{
275 int size = sizeof(struct qlcnic_host_sds_ring) * count;
276
277 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
278
807540ba 279 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 280}
281
c70001a9 282void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 283{
284 if (recv_ctx->sds_rings != NULL)
285 kfree(recv_ctx->sds_rings);
286
287 recv_ctx->sds_rings = NULL;
288}
289
f8468331 290int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 291{
2e9d722d 292 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 293 struct net_device *netdev = adapter->netdev;
294 struct pci_dev *pdev = adapter->pdev;
295
da48e6c3 296 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 297 return -EIO;
298
2e9d722d 299 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 300 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
301
302 /* set station address */
303
aaeb6cdf 304 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 305 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
306 netdev->dev_addr);
307
308 return 0;
309}
310
cffe52f3
MC		 311static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
312{
313 struct qlcnic_mac_list_s *cur;
314 struct list_head *head;
315
316 list_for_each(head, &adapter->mac_list) {
317 cur = list_entry(head, struct qlcnic_mac_list_s, list);
318 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
319 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
320 0, QLCNIC_MAC_DEL);
321 list_del(&cur->list);
322 kfree(cur);
323 return;
324 }
325 }
326}
327
af19b491
AKS		 328static int qlcnic_set_mac(struct net_device *netdev, void *p)
329{
330 struct qlcnic_adapter *adapter = netdev_priv(netdev);
331 struct sockaddr *addr = p;
332
7cb03b23
RB		 333 if (qlcnic_sriov_vf_check(adapter))
334 return -EINVAL;
335
7373373d
RB		 336 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
337 return -EOPNOTSUPP;
338
af19b491 339 if (!is_valid_ether_addr(addr->sa_data))
13159183 340 return -EINVAL;
af19b491 341
cffe52f3
MC		 342 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
343 return 0;
344
8a15ad1f 345 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 346 netif_device_detach(netdev);
347 qlcnic_napi_disable(adapter);
348 }
349
cffe52f3 350 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 351 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
352 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
353 qlcnic_set_multi(adapter->netdev);
354
8a15ad1f 355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 356 netif_device_attach(netdev);
357 qlcnic_napi_enable(adapter);
358 }
359 return 0;
360}
361
1690be63
VY		 362static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
363 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 364{
365 struct qlcnic_adapter *adapter = netdev_priv(netdev);
366 int err = -EOPNOTSUPP;
367
3e5c112f
VY		 368 if (!adapter->fdb_mac_learn)
369 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 370
371 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
372 if (is_unicast_ether_addr(addr))
373 err = qlcnic_nic_del_mac(adapter, addr);
374 else if (is_multicast_ether_addr(addr))
375 err = dev_mc_del(netdev, addr);
376 else
377 err = -EINVAL;
378 }
379 return err;
380}
381
382static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
383 struct net_device *netdev,
384 const unsigned char *addr, u16 flags)
385{
386 struct qlcnic_adapter *adapter = netdev_priv(netdev);
387 int err = 0;
388
3e5c112f
VY		 389 if (!adapter->fdb_mac_learn)
390 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 391
392 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
393 pr_info("%s: FDB e-switch is not enabled\n", __func__);
394 return -EOPNOTSUPP;
395 }
396
397 if (ether_addr_equal(addr, adapter->mac_addr))
398 return err;
399
400 if (is_unicast_ether_addr(addr))
91b7282b 401 err = qlcnic_nic_add_mac(adapter, addr, 0);
fe1adc6b
JK		 402 else if (is_multicast_ether_addr(addr))
403 err = dev_mc_add_excl(netdev, addr);
404 else
405 err = -EINVAL;
406
407 return err;
408}
409
410static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
411 struct net_device *netdev, int idx)
412{
413 struct qlcnic_adapter *adapter = netdev_priv(netdev);
414
3e5c112f
VY		 415 if (!adapter->fdb_mac_learn)
416 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 417
418 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
419 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
420
421 return idx;
422}
423
7e2cf4fe
SC		 424static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
425{
426 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
427 usleep_range(10000, 11000);
428
429 cancel_delayed_work_sync(&adapter->fw_work);
430}
431
af19b491
AKS		 432static const struct net_device_ops qlcnic_netdev_ops = {
433 .ndo_open = qlcnic_open,
434 .ndo_stop = qlcnic_close,
435 .ndo_start_xmit = qlcnic_xmit_frame,
436 .ndo_get_stats = qlcnic_get_stats,
437 .ndo_validate_addr = eth_validate_addr,
afc4b13d 438 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 439 .ndo_set_mac_address = qlcnic_set_mac,
440 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 441 .ndo_fix_features = qlcnic_fix_features,
442 .ndo_set_features = qlcnic_set_features,
af19b491 443 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 444 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
445 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 446 .ndo_fdb_add = qlcnic_fdb_add,
447 .ndo_fdb_del = qlcnic_fdb_del,
448 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 449#ifdef CONFIG_NET_POLL_CONTROLLER
450 .ndo_poll_controller = qlcnic_poll_controller,
451#endif
4000e7a7
RB		 452#ifdef CONFIG_QLCNIC_SRIOV
453 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
454 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
455 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 456 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
4000e7a7 457#endif
af19b491
AKS		 458};
459
b43e5ee7
SC		 460static const struct net_device_ops qlcnic_netdev_failed_ops = {
461 .ndo_open = qlcnic_open,
462};
463
2e9d722d 464static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 465 .config_bridged_mode = qlcnic_config_bridged_mode,
466 .config_led = qlcnic_82xx_config_led,
467 .start_firmware = qlcnic_82xx_start_firmware,
468 .request_reset = qlcnic_82xx_dev_request_reset,
469 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
470 .napi_add = qlcnic_82xx_napi_add,
4be41e92 471 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 472 .config_ipaddr = qlcnic_82xx_config_ipaddr,
473 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
474};
475
476struct qlcnic_nic_template qlcnic_vf_ops = {
477 .config_bridged_mode = qlcnicvf_config_bridged_mode,
478 .config_led = qlcnicvf_config_led,
479 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 480};
481
7e2cf4fe
SC		 482static struct qlcnic_hardware_ops qlcnic_hw_ops = {
483 .read_crb = qlcnic_82xx_read_crb,
484 .write_crb = qlcnic_82xx_write_crb,
485 .read_reg = qlcnic_82xx_hw_read_wx_2M,
486 .write_reg = qlcnic_82xx_hw_write_wx_2M,
487 .get_mac_address = qlcnic_82xx_get_mac_address,
488 .setup_intr = qlcnic_82xx_setup_intr,
489 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
490 .mbx_cmd = qlcnic_82xx_issue_cmd,
491 .get_func_no = qlcnic_82xx_get_func_no,
492 .api_lock = qlcnic_82xx_api_lock,
493 .api_unlock = qlcnic_82xx_api_unlock,
494 .add_sysfs = qlcnic_82xx_add_sysfs,
495 .remove_sysfs = qlcnic_82xx_remove_sysfs,
496 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
497 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
498 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 499 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
500 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 501 .setup_link_event = qlcnic_82xx_linkevent_request,
502 .get_nic_info = qlcnic_82xx_get_nic_info,
503 .get_pci_info = qlcnic_82xx_get_pci_info,
504 .set_nic_info = qlcnic_82xx_set_nic_info,
505 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
506 .napi_enable = qlcnic_82xx_napi_enable,
507 .napi_disable = qlcnic_82xx_napi_disable,
508 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
509 .config_rss = qlcnic_82xx_config_rss,
510 .config_hw_lro = qlcnic_82xx_config_hw_lro,
511 .config_loopback = qlcnic_82xx_set_lb_mode,
512 .clear_loopback = qlcnic_82xx_clear_lb_mode,
513 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
514 .change_l2_filter = qlcnic_82xx_change_filter,
515 .get_board_info = qlcnic_82xx_get_board_info,
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;
2e9d722d
AC		 776 int i, ret = 1;
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
0e33c664 784 if (qlcnic_config_npars) {
bff57d8e
SC		 785 for (i = 0; i < ahw->act_pci_func; i++) {
786 id = adapter->npars[i].pci_func;
787 if (id == ahw->pci_func)
0e33c664
AC		 788 continue;
789 data |= (qlcnic_config_npars &
790 QLC_DEV_SET_DRV(0xf, id));
791 }
792 } else {
a15ebd37 793 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 794 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 795 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 796 ahw->pci_func));
2e9d722d 797 }
a15ebd37 798 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 799 qlcnic_api_unlock(adapter);
800err_lock:
801 return ret;
802}
803
13159183
SC		 804static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
805 const struct pci_device_id *ent)
2e9d722d 806{
2e9d722d
AC		 807 u32 op_mode, priv_level;
808
809 /* Determine FW API version */
13159183
SC		 810 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
811 QLCNIC_FW_API);
2e9d722d
AC		 812
813 /* Find PCI function number */
13159183 814 qlcnic_get_func_no(adapter);
2e9d722d
AC		 815
816 /* Determine function privilege level */
13159183 817 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 818 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 819 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 820 else
b1fc6d3c 821 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 822
0866d96d 823 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 824 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 825 dev_info(&adapter->pdev->dev,
826 "HAL Version: %d Non Privileged function\n",
79788450 827 adapter->ahw->fw_hal_version);
9f26f547 828 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 829 } else
830 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 831}
832
15087c2b 833#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 834#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 835static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
836{
837 switch (dev_id) {
838 case PCI_DEVICE_ID_QLOGIC_QLE824X:
839 *bar = QLCNIC_82XX_BAR0_LENGTH;
840 break;
13159183 841 case PCI_DEVICE_ID_QLOGIC_QLE834X:
f8468331 842 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
13159183
SC		 843 *bar = QLCNIC_83XX_BAR0_LENGTH;
844 break;
15087c2b
SC		 845 default:
846 *bar = 0;
847 }
848}
849
850static int qlcnic_setup_pci_map(struct pci_dev *pdev,
851 struct qlcnic_hardware_context *ahw)
af19b491 852{
15087c2b 853 u32 offset;
af19b491 854 void __iomem *mem_ptr0 = NULL;
15087c2b 855 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 856
af19b491 857 /* remap phys address */
af19b491
AKS		 858 mem_len = pci_resource_len(pdev, 0);
859
15087c2b
SC		 860 qlcnic_get_bar_length(pdev->device, &bar0_len);
861 if (mem_len >= bar0_len) {
af19b491
AKS		 862
863 mem_ptr0 = pci_ioremap_bar(pdev, 0);
864 if (mem_ptr0 == NULL) {
865 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
866 return -EIO;
867 }
868 pci_len0 = mem_len;
869 } else {
870 return -EIO;
871 }
872
f8468331 873 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 874
15087c2b
SC		 875 ahw->pci_base0 = mem_ptr0;
876 ahw->pci_len0 = pci_len0;
877 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
878 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 879
880 return 0;
881}
882
22999798 883static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 884{
885 struct pci_dev *pdev = adapter->pdev;
886 int i, found = 0;
887
888 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
889 if (qlcnic_boards[i].vendor == pdev->vendor &&
890 qlcnic_boards[i].device == pdev->device &&
891 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
892 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 893 sprintf(name, "%pM: %s" ,
894 adapter->mac_addr,
895 qlcnic_boards[i].short_name);
af19b491
AKS		 896 found = 1;
897 break;
898 }
899
900 }
901
902 if (!found)
7f9a0c34 903 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 904}
905
906static void
907qlcnic_check_options(struct qlcnic_adapter *adapter)
908{
a15ebd37 909 int err;
031a4a26 910 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 911 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 912 struct qlcnic_hardware_context *ahw = adapter->ahw;
913 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 914
915 prev_fw_version = adapter->fw_version;
af19b491 916
a15ebd37
HM		 917 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
918 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
919 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 920
921 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
922
a15ebd37
HM		 923 err = qlcnic_get_board_info(adapter);
924 if (err) {
925 dev_err(&pdev->dev, "Error getting board config info.\n");
926 return;
927 }
928 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 929 if (fw_dump->tmpl_hdr == NULL ||
930 adapter->fw_version > prev_fw_version) {
931 if (fw_dump->tmpl_hdr)
932 vfree(fw_dump->tmpl_hdr);
933 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
934 dev_info(&pdev->dev,
935 "Supports FW dump capability\n");
936 }
937 }
938
13159183
SC		 939 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
940 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
941
b1fc6d3c 942 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 943 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
944 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
945 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
946 } else {
947 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
948 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
949 }
950
af19b491 951 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 952 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
953
b1fc6d3c 954 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 955 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
956 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 957 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
958 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 959 }
960
099f7aa7 961 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 962
963 adapter->num_txd = MAX_CMD_DESCRIPTORS;
964
251b036a 965 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 966}
967
174240a8
RB		 968static int
969qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
970{
971 int err;
972 struct qlcnic_info nic_info;
973
bff57d8e 974 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 975 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 976 if (err)
977 return err;
978
79788450
SC		 979 adapter->ahw->physical_port = (u8)nic_info.phys_port;
980 adapter->ahw->switch_mode = nic_info.switch_mode;
981 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
982 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
983 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 984
985 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
986 u32 temp;
987 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
988 adapter->ahw->capabilities2 = temp;
989 }
79788450
SC		 990 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
991 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 992
13159183
SC		 993 /* Disable NPAR for 83XX */
994 if (qlcnic_83xx_check(adapter))
995 return err;
996
79788450 997 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 998 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
999 else
1000 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1001
1002 return err;
1003}
1004
ec079a07
SC		 1005void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1006 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1007{
1008 if (esw_cfg->discard_tagged)
1009 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1010 else
1011 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1012
91b7282b
RB		 1013 if (esw_cfg->vlan_id) {
1014 adapter->rx_pvid = esw_cfg->vlan_id;
1015 adapter->tx_pvid = esw_cfg->vlan_id;
1016 } else {
1017 adapter->rx_pvid = 0;
1018 adapter->tx_pvid = 0;
1019 }
8cf61f89
AKS		 1020}
1021
8e586137 1022static int
80d5c368 1023qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1024{
1025 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1026 int err;
1027
1028 if (qlcnic_sriov_vf_check(adapter)) {
1029 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1030 if (err) {
1031 netdev_err(netdev,
1032 "Cannot add VLAN filter for VLAN id %d, err=%d",
1033 vid, err);
1034 return err;
1035 }
1036 }
1037
b9796a14 1038 set_bit(vid, adapter->vlans);
8e586137 1039 return 0;
b9796a14
AC		 1040}
1041
8e586137 1042static int
80d5c368 1043qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1044{
1045 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1046 int err;
1047
1048 if (qlcnic_sriov_vf_check(adapter)) {
1049 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1050 if (err) {
1051 netdev_err(netdev,
1052 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1053 vid, err);
1054 return err;
1055 }
1056 }
b9796a14
AC		 1057
1058 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1059 clear_bit(vid, adapter->vlans);
8e586137 1060 return 0;
b9796a14
AC		 1061}
1062
ec079a07
SC		 1063void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1064 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1065{
ee07c1a7
RB		 1066 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1067 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1068
1069 if (esw_cfg->mac_anti_spoof)
1070 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1071
7373373d
RB		 1072 if (!esw_cfg->mac_override)
1073 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1074
ee07c1a7
RB		 1075 if (!esw_cfg->promisc_mode)
1076 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1077
0325d69b
RB		 1078 qlcnic_set_netdev_features(adapter, esw_cfg);
1079}
1080
d71170fb 1081int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1082{
1083 struct qlcnic_esw_func_cfg esw_cfg;
1084
1085 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1086 return 0;
1087
b1fc6d3c 1088 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1089 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1090 return -EIO;
8cf61f89 1091 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 1092 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1093
1094 return 0;
1095}
1096
1097static void
1098qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1099 struct qlcnic_esw_func_cfg *esw_cfg)
1100{
1101 struct net_device *netdev = adapter->netdev;
13159183
SC		 1102 unsigned long features, vlan_features;
1103
1104 if (qlcnic_83xx_check(adapter))
1105 return;
0325d69b 1106
7e38d04b
SC		 1107 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1108 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 1109 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 1110 NETIF_F_IPV6_CSUM);
0325d69b 1111
13159183 1112 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 1113 features |= (NETIF_F_TSO | NETIF_F_TSO6);
1114 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1115 }
b56421d0
RB		 1116
1117 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 1118 features |= NETIF_F_LRO;
1119
1120 if (esw_cfg->offload_flags & BIT_0) {
1121 netdev->features |= features;
13159183 1122 adapter->rx_csum = 1;
7e38d04b 1123 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 1124 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 1125 features &= ~NETIF_F_TSO;
1126 }
1127 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 1128 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 1129 features &= ~NETIF_F_TSO6;
1130 }
0325d69b
RB		 1131 } else {
1132 netdev->features &= ~features;
7e38d04b 1133 features &= ~features;
13159183 1134 adapter->rx_csum = 0;
0325d69b
RB		 1135 }
1136
1137 netdev->vlan_features = (features & vlan_features);
1138}
1139
0866d96d
AC		 1140static int
1141qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1142{
0866d96d
AC		 1143 u32 op_mode, priv_level;
1144 int err = 0;
1145
174240a8
RB		 1146 err = qlcnic_initialize_nic(adapter);
1147 if (err)
1148 return err;
1149
0866d96d
AC		 1150 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1151 return 0;
1152
13159183 1153 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1154 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1155
1156 if (op_mode == QLC_DEV_DRV_DEFAULT)
1157 priv_level = QLCNIC_MGMT_FUNC;
1158 else
b1fc6d3c 1159 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1160
174240a8 1161 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1162 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1163 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1164 err = qlcnic_init_pci_info(adapter);
1165 if (err)
1166 return err;
1167 /* Set privilege level for other functions */
1168 qlcnic_set_function_modes(adapter);
1169 dev_info(&adapter->pdev->dev,
1170 "HAL Version: %d, Management function\n",
79788450 1171 adapter->ahw->fw_hal_version);
0866d96d 1172 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1173 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1174 dev_info(&adapter->pdev->dev,
1175 "HAL Version: %d, Privileged function\n",
79788450 1176 adapter->ahw->fw_hal_version);
0866d96d 1177 }
174240a8 1178 }
0866d96d
AC		 1179
1180 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1181
1182 return err;
1183}
1184
d71170fb 1185int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1186{
1187 struct qlcnic_esw_func_cfg esw_cfg;
1188 struct qlcnic_npar_info *npar;
1189 u8 i;
1190
174240a8 1191 if (adapter->need_fw_reset)
0325d69b
RB		 1192 return 0;
1193
bff57d8e 1194 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1195 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1196 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1197 esw_cfg.mac_override = BIT_0;
ee07c1a7 1198 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1199 if (qlcnic_82xx_check(adapter)) {
1200 esw_cfg.offload_flags = BIT_0;
1201 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1202 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1203 }
0325d69b
RB		 1204 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1205 return -EIO;
1206 npar = &adapter->npars[i];
1207 npar->pvid = esw_cfg.vlan_id;
7373373d 1208 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1209 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1210 npar->discard_tagged = esw_cfg.discard_tagged;
1211 npar->promisc_mode = esw_cfg.promisc_mode;
1212 npar->offload_flags = esw_cfg.offload_flags;
1213 }
1214
1215 return 0;
1216}
1217
13159183 1218
4e8acb01
RB		 1219static int
1220qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1221 struct qlcnic_npar_info *npar, int pci_func)
1222{
1223 struct qlcnic_esw_func_cfg esw_cfg;
1224 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1225 esw_cfg.pci_func = pci_func;
1226 esw_cfg.vlan_id = npar->pvid;
7373373d 1227 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1228 esw_cfg.discard_tagged = npar->discard_tagged;
1229 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1230 esw_cfg.offload_flags = npar->offload_flags;
1231 esw_cfg.promisc_mode = npar->promisc_mode;
1232 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1233 return -EIO;
1234
1235 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1236 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1237 return -EIO;
1238
1239 return 0;
1240}
1241
d71170fb 1242int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1243{
4e8acb01 1244 int i, err;
cea8975e
AC		 1245 struct qlcnic_npar_info *npar;
1246 struct qlcnic_info nic_info;
bff57d8e 1247 u8 pci_func;
cea8975e 1248
bff57d8e
SC		 1249 if (qlcnic_82xx_check(adapter))
1250 if (!adapter->need_fw_reset)
1251 return 0;
cea8975e 1252
4e8acb01 1253 /* Set the NPAR config data after FW reset */
bff57d8e 1254 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1255 npar = &adapter->npars[i];
bff57d8e
SC		 1256 pci_func = npar->pci_func;
1257 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1258 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1259 if (err)
1260 return err;
1261 nic_info.min_tx_bw = npar->min_bw;
1262 nic_info.max_tx_bw = npar->max_bw;
1263 err = qlcnic_set_nic_info(adapter, &nic_info);
1264 if (err)
1265 return err;
cea8975e 1266
4e8acb01
RB		 1267 if (npar->enable_pm) {
1268 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1269 npar->dest_npar, 1,
1270 pci_func);
4e8acb01
RB		 1271 if (err)
1272 return err;
cea8975e 1273 }
bff57d8e 1274 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1275 if (err)
1276 return err;
cea8975e 1277 }
4e8acb01 1278 return 0;
cea8975e
AC		 1279}
1280
78f84e1a
AKS		 1281static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1282{
1283 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1284 u32 npar_state;
1285
79788450 1286 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1287 return 0;
1288
a15ebd37
HM		 1289 npar_state = QLC_SHARED_REG_RD32(adapter,
1290 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1291 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1292 msleep(1000);
a15ebd37
HM		 1293 npar_state = QLC_SHARED_REG_RD32(adapter,
1294 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1295 }
1296 if (!npar_opt_timeo) {
1297 dev_err(&adapter->pdev->dev,
8a168ca7 1298 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1299 return -EIO;
1300 }
1301 return 0;
1302}
1303
174240a8
RB		 1304static int
1305qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1306{
1307 int err;
1308
1309 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1310 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1311 return 0;
1312
1313 err = qlcnic_set_default_offload_settings(adapter);
1314 if (err)
1315 return err;
1316
1317 err = qlcnic_reset_npar_config(adapter);
1318 if (err)
1319 return err;
1320
1321 qlcnic_dev_set_npar_ready(adapter);
1322
1323 return err;
1324}
1325
7e2cf4fe 1326int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1327{
d4066833 1328 int err;
af19b491 1329
aa5e18c0
SC		 1330 err = qlcnic_can_start_firmware(adapter);
1331 if (err < 0)
1332 return err;
1333 else if (!err)
d4066833 1334 goto check_fw_status;
af19b491 1335
099f7aa7 1336 if (qlcnic_load_fw_file)
4d5bdb38 1337 qlcnic_request_firmware(adapter);
8f891387 1338 else {
8cfdce08
SC		 1339 err = qlcnic_check_flash_fw_ver(adapter);
1340 if (err)
8f891387 1341 goto err_out;
1342
79788450 1343 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1344 }
af19b491
AKS		 1345
1346 err = qlcnic_need_fw_reset(adapter);
af19b491 1347 if (err == 0)
4e70812b 1348 goto check_fw_status;
af19b491 1349
d4066833
SC		 1350 err = qlcnic_pinit_from_rom(adapter);
1351 if (err)
1352 goto err_out;
af19b491
AKS		 1353
1354 err = qlcnic_load_firmware(adapter);
1355 if (err)
1356 goto err_out;
1357
1358 qlcnic_release_firmware(adapter);
d4066833 1359 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1360
d4066833
SC		 1361check_fw_status:
1362 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1363 if (err)
1364 goto err_out;
1365
a15ebd37 1366 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1367 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1368 err = qlcnic_check_eswitch_mode(adapter);
1369 if (err) {
1370 dev_err(&adapter->pdev->dev,
1371 "Memory allocation failed for eswitch\n");
1372 goto err_out;
1373 }
174240a8
RB		 1374 err = qlcnic_set_mgmt_operations(adapter);
1375 if (err)
1376 goto err_out;
1377
1378 qlcnic_check_options(adapter);
af19b491
AKS		 1379 adapter->need_fw_reset = 0;
1380
a7fc948f
AKS		 1381 qlcnic_release_firmware(adapter);
1382 return 0;
af19b491
AKS		 1383
1384err_out:
a15ebd37 1385 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1386 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1387
af19b491
AKS		 1388 qlcnic_release_firmware(adapter);
1389 return err;
1390}
1391
1392static int
1393qlcnic_request_irq(struct qlcnic_adapter *adapter)
1394{
1395 irq_handler_t handler;
1396 struct qlcnic_host_sds_ring *sds_ring;
13159183 1397 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1398 int err, ring, num_sds_rings;
af19b491
AKS		 1399
1400 unsigned long flags = 0;
1401 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1402 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1403
79788450 1404 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1405 if (qlcnic_82xx_check(adapter))
1406 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1407 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1408 flags |= IRQF_SHARED;
1409
1410 } else {
1411 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1412 handler = qlcnic_msix_intr;
1413 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1414 handler = qlcnic_msi_intr;
1415 else {
1416 flags |= IRQF_SHARED;
ac166700
HM		 1417 if (qlcnic_82xx_check(adapter))
1418 handler = qlcnic_intr;
1419 else
1420 handler = qlcnic_83xx_intr;
7eb9855d 1421 }
af19b491
AKS		 1422 }
1423 adapter->irq = netdev->irq;
1424
13159183 1425 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1426 if (qlcnic_82xx_check(adapter) ||
1427 (qlcnic_83xx_check(adapter) &&
1428 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1429 num_sds_rings = adapter->max_sds_rings;
1430 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1431 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174
HM		 1432 if (qlcnic_82xx_check(adapter) &&
1433 (ring == (num_sds_rings - 1)))
1434 snprintf(sds_ring->name,
1435 sizeof(sds_ring->name),
1436 "qlcnic-%s[Tx0+Rx%d]",
1437 netdev->name, ring);
1438 else
1439 snprintf(sds_ring->name,
1440 sizeof(sds_ring->name),
1441 "qlcnic-%s[Rx%d]",
1442 netdev->name, ring);
ac166700
HM		 1443 err = request_irq(sds_ring->irq, handler, flags,
1444 sds_ring->name, sds_ring);
1445 if (err)
1446 return err;
1447 }
13159183
SC		 1448 }
1449 if (qlcnic_83xx_check(adapter) &&
da6c8063
RB		 1450 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1451 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1452 handler = qlcnic_msix_tx_intr;
1453 for (ring = 0; ring < adapter->max_drv_tx_rings;
1454 ring++) {
1455 tx_ring = &adapter->tx_ring[ring];
ddb2e174
HM		 1456 snprintf(tx_ring->name, sizeof(tx_ring->name),
1457 "qlcnic-%s[Tx%d]", netdev->name, ring);
13159183
SC		 1458 err = request_irq(tx_ring->irq, handler, flags,
1459 tx_ring->name, tx_ring);
1460 if (err)
1461 return err;
1462 }
1463 }
af19b491 1464 }
af19b491
AKS		 1465 return 0;
1466}
1467
1468static void
1469qlcnic_free_irq(struct qlcnic_adapter *adapter)
1470{
1471 int ring;
1472 struct qlcnic_host_sds_ring *sds_ring;
13159183 1473 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1474
b1fc6d3c 1475 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1476
13159183 1477 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1478 if (qlcnic_82xx_check(adapter) ||
1479 (qlcnic_83xx_check(adapter) &&
1480 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1481 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1482 sds_ring = &recv_ctx->sds_rings[ring];
1483 free_irq(sds_ring->irq, sds_ring);
1484 }
13159183 1485 }
da6c8063
RB		 1486 if (qlcnic_83xx_check(adapter) &&
1487 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1488 for (ring = 0; ring < adapter->max_drv_tx_rings;
1489 ring++) {
1490 tx_ring = &adapter->tx_ring[ring];
1491 if (tx_ring->irq)
1492 free_irq(tx_ring->irq, tx_ring);
1493 }
1494 }
af19b491
AKS		 1495 }
1496}
1497
99e85879
SS		 1498static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1499{
1500 u32 capab = 0;
1501
1502 if (qlcnic_82xx_check(adapter)) {
1503 if (adapter->ahw->capabilities2 &
1504 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1505 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1506 } else {
1507 capab = adapter->ahw->capabilities;
1508 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1509 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1510 }
1511}
1512
319ecf12 1513int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1514{
8a15ad1f
AKS		 1515 int ring;
1516 struct qlcnic_host_rds_ring *rds_ring;
1517
af19b491
AKS		 1518 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1519 return -EIO;
1520
8a15ad1f
AKS		 1521 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1522 return 0;
0325d69b
RB		 1523 if (qlcnic_set_eswitch_port_config(adapter))
1524 return -EIO;
99e85879 1525 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1526
8a15ad1f
AKS		 1527 if (qlcnic_fw_create_ctx(adapter))
1528 return -EIO;
1529
1530 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1531 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1532 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1533 }
1534
af19b491
AKS		 1535 qlcnic_set_multi(netdev);
1536 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1537
b1fc6d3c 1538 adapter->ahw->linkup = 0;
af19b491
AKS		 1539
1540 if (adapter->max_sds_rings > 1)
1541 qlcnic_config_rss(adapter, 1);
1542
1543 qlcnic_config_intr_coalesce(adapter);
1544
24763d80 1545 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1546 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1547
1548 qlcnic_napi_enable(adapter);
1549
1550 qlcnic_linkevent_request(adapter, 1);
1551
79788450 1552 adapter->ahw->reset_context = 0;
af19b491
AKS		 1553 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1554 return 0;
1555}
1556
629263ac 1557int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1558{
1559 int err = 0;
1560
1561 rtnl_lock();
1562 if (netif_running(netdev))
1563 err = __qlcnic_up(adapter, netdev);
1564 rtnl_unlock();
1565
1566 return err;
1567}
1568
319ecf12 1569void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1570{
1571 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1572 return;
1573
1574 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1575 return;
1576
e8b508ef
RB		 1577 if (qlcnic_sriov_vf_check(adapter))
1578 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1579 smp_mb();
1580 spin_lock(&adapter->tx_clean_lock);
1581 netif_carrier_off(netdev);
0a46bac0 1582 adapter->ahw->linkup = 0;
af19b491
AKS		 1583 netif_tx_disable(netdev);
1584
1585 qlcnic_free_mac_list(adapter);
1586
b5e5492c
AKS		 1587 if (adapter->fhash.fnum)
1588 qlcnic_delete_lb_filters(adapter);
1589
af19b491
AKS		 1590 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1591
1592 qlcnic_napi_disable(adapter);
1593
8a15ad1f 1594 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1595 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1596
1597 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1598 qlcnic_release_tx_buffers(adapter);
1599 spin_unlock(&adapter->tx_clean_lock);
1600}
1601
1602/* Usage: During suspend and firmware recovery module */
1603
629263ac 1604void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1605{
1606 rtnl_lock();
1607 if (netif_running(netdev))
1608 __qlcnic_down(adapter, netdev);
1609 rtnl_unlock();
1610
1611}
1612
319ecf12 1613int
af19b491
AKS		 1614qlcnic_attach(struct qlcnic_adapter *adapter)
1615{
1616 struct net_device *netdev = adapter->netdev;
1617 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1618 int err;
af19b491
AKS		 1619
1620 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1621 return 0;
1622
af19b491
AKS		 1623 err = qlcnic_napi_add(adapter, netdev);
1624 if (err)
1625 return err;
1626
1627 err = qlcnic_alloc_sw_resources(adapter);
1628 if (err) {
1629 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1630 goto err_out_napi_del;
af19b491
AKS		 1631 }
1632
1633 err = qlcnic_alloc_hw_resources(adapter);
1634 if (err) {
1635 dev_err(&pdev->dev, "Error in setting hw resources\n");
1636 goto err_out_free_sw;
1637 }
1638
af19b491
AKS		 1639 err = qlcnic_request_irq(adapter);
1640 if (err) {
1641 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1642 goto err_out_free_hw;
af19b491
AKS		 1643 }
1644
af19b491
AKS		 1645 qlcnic_create_sysfs_entries(adapter);
1646
1647 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1648 return 0;
1649
8a15ad1f 1650err_out_free_hw:
af19b491
AKS		 1651 qlcnic_free_hw_resources(adapter);
1652err_out_free_sw:
1653 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1654err_out_napi_del:
1655 qlcnic_napi_del(adapter);
af19b491
AKS		 1656 return err;
1657}
1658
319ecf12 1659void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1660{
1661 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1662 return;
1663
1664 qlcnic_remove_sysfs_entries(adapter);
1665
1666 qlcnic_free_hw_resources(adapter);
1667 qlcnic_release_rx_buffers(adapter);
1668 qlcnic_free_irq(adapter);
1669 qlcnic_napi_del(adapter);
1670 qlcnic_free_sw_resources(adapter);
1671
1672 adapter->is_up = 0;
1673}
1674
7eb9855d
AKS		 1675void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1676{
1677 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1678 struct qlcnic_host_sds_ring *sds_ring;
1679 int ring;
1680
78ad3892 1681 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1682 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1683 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1684 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1685 qlcnic_disable_int(sds_ring);
cdaff185 1686 }
7eb9855d
AKS		 1687 }
1688
8a15ad1f
AKS		 1689 qlcnic_fw_destroy_ctx(adapter);
1690
7eb9855d
AKS		 1691 qlcnic_detach(adapter);
1692
79788450 1693 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1694 adapter->max_sds_rings = max_sds_rings;
1695
1696 if (qlcnic_attach(adapter))
34ce3626 1697 goto out;
7eb9855d
AKS		 1698
1699 if (netif_running(netdev))
1700 __qlcnic_up(adapter, netdev);
34ce3626 1701out:
7eb9855d
AKS		 1702 netif_device_attach(netdev);
1703}
1704
b1fc6d3c
AC		 1705static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1706{
be273dc1 1707 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1708 int err = 0;
be273dc1 1709
b1fc6d3c
AC		 1710 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1711 GFP_KERNEL);
1712 if (!adapter->recv_ctx) {
b1fc6d3c 1713 err = -ENOMEM;
8816d009 1714 goto err_out;
b1fc6d3c 1715 }
8816d009 1716 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1717 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1718 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1719 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1720 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1721 if (qlcnic_83xx_check(adapter)) {
1722 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1723 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1724 }
4be41e92
SC		 1725 /* clear stats */
1726 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1727err_out:
1728 return err;
1729}
1730
1731static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1732{
1733 kfree(adapter->recv_ctx);
1734 adapter->recv_ctx = NULL;
1735
18f2f616
AC		 1736 if (adapter->ahw->fw_dump.tmpl_hdr) {
1737 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1738 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1739 }
4be41e92 1740
81d0aeb0 1741 kfree(adapter->ahw->reset.buff);
4be41e92 1742 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1743}
1744
7eb9855d
AKS		 1745int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1746{
1747 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1748 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1749 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1750 int ring;
1751 int ret;
1752
1753 netif_device_detach(netdev);
1754
1755 if (netif_running(netdev))
1756 __qlcnic_down(adapter, netdev);
1757
1758 qlcnic_detach(adapter);
1759
1760 adapter->max_sds_rings = 1;
79788450 1761 adapter->ahw->diag_test = test;
4be41e92 1762 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1763
1764 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1765 if (ret) {
1766 netif_device_attach(netdev);
7eb9855d 1767 return ret;
34ce3626 1768 }
7eb9855d 1769
8a15ad1f
AKS		 1770 ret = qlcnic_fw_create_ctx(adapter);
1771 if (ret) {
1772 qlcnic_detach(adapter);
57e46248 1773 netif_device_attach(netdev);
8a15ad1f
AKS		 1774 return ret;
1775 }
1776
1777 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1778 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1779 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1780 }
1781
79788450 1782 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1783 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1784 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1785 qlcnic_enable_int(sds_ring);
cdaff185 1786 }
7eb9855d 1787 }
22c8c934 1788
79788450 1789 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1790 adapter->ahw->loopback_state = 0;
1791 qlcnic_linkevent_request(adapter, 1);
1792 }
1793
78ad3892 1794 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1795
1796 return 0;
1797}
1798
68bf1c68
AKS		 1799/* Reset context in hardware only */
1800static int
1801qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1802{
1803 struct net_device *netdev = adapter->netdev;
1804
1805 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1806 return -EBUSY;
1807
1808 netif_device_detach(netdev);
1809
1810 qlcnic_down(adapter, netdev);
1811
1812 qlcnic_up(adapter, netdev);
1813
1814 netif_device_attach(netdev);
1815
1816 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1817 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1818 return 0;
1819}
1820
af19b491
AKS		 1821int
1822qlcnic_reset_context(struct qlcnic_adapter *adapter)
1823{
1824 int err = 0;
1825 struct net_device *netdev = adapter->netdev;
1826
1827 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1828 return -EBUSY;
1829
1830 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1831
1832 netif_device_detach(netdev);
1833
1834 if (netif_running(netdev))
1835 __qlcnic_down(adapter, netdev);
1836
1837 qlcnic_detach(adapter);
1838
1839 if (netif_running(netdev)) {
1840 err = qlcnic_attach(adapter);
1d5c88e3 1841 if (!err) {
34ce3626 1842 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1843 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1844 }
af19b491
AKS		 1845 }
1846
1847 netif_device_attach(netdev);
1848 }
1849
af19b491
AKS		 1850 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1851 return err;
1852}
1853
f8468331 1854int
5ad6ff9d
SC		 1855qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1856 int pci_using_dac)
af19b491
AKS		 1857{
1858 int err;
1859 struct pci_dev *pdev = adapter->pdev;
1860
13159183 1861 adapter->rx_csum = 1;
79788450 1862 adapter->ahw->mc_enabled = 0;
13159183 1863 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1864
1865 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1866 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1867
1868 qlcnic_change_mtu(netdev, netdev->mtu);
1869
d1a1105e
RB		 1870 if (qlcnic_sriov_vf_check(adapter))
1871 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1872 else
1873 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1874
7e38d04b 1875 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1876 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1877 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1878 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1879 NETIF_F_IPV6_CSUM);
ac8d0c4f 1880
13159183
SC		 1881 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1882 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1883 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1884 }
af19b491 1885
13159183
SC		 1886 if (pci_using_dac) {
1887 netdev->features |= NETIF_F_HIGHDMA;
1888 netdev->vlan_features |= NETIF_F_HIGHDMA;
1889 }
af19b491 1890
13159183 1891 if (qlcnic_vlan_tx_check(adapter))
f646968f 1892 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 1893
91b7282b
RB		 1894 if (qlcnic_sriov_vf_check(adapter))
1895 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1896
13159183
SC		 1897 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1898 netdev->features |= NETIF_F_LRO;
135d84a9 1899
7e38d04b 1900 netdev->hw_features = netdev->features;
af19b491
AKS		 1901 netdev->irq = adapter->msix_entries[0].vector;
1902
af19b491
AKS		 1903 err = register_netdev(netdev);
1904 if (err) {
1905 dev_err(&pdev->dev, "failed to register net device\n");
1906 return err;
1907 }
1908
1909 return 0;
1910}
1911
5ad6ff9d 1912static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1913{
1914 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1915 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1916 *pci_using_dac = 1;
1917 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1918 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1919 *pci_using_dac = 0;
1920 else {
1921 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1922 return -EIO;
1923 }
1924
1925 return 0;
1926}
1927
4be41e92
SC		 1928void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1929{
1930 int ring;
1931 struct qlcnic_host_tx_ring *tx_ring;
1932
1933 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1934 tx_ring = &adapter->tx_ring[ring];
1935 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1936 vfree(tx_ring->cmd_buf_arr);
1937 tx_ring->cmd_buf_arr = NULL;
1938 }
1939 }
1940 if (adapter->tx_ring != NULL)
1941 kfree(adapter->tx_ring);
1942}
1943
1944int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1945 struct net_device *netdev)
1946{
b2adaca9 1947 int ring, vector, index;
4be41e92
SC		 1948 struct qlcnic_host_tx_ring *tx_ring;
1949 struct qlcnic_cmd_buffer *cmd_buf_arr;
1950
b2adaca9
JP		 1951 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1952 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1953 if (tx_ring == NULL)
4be41e92 1954 return -ENOMEM;
b2adaca9 1955
4be41e92
SC		 1956 adapter->tx_ring = tx_ring;
1957
1958 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1959 tx_ring = &adapter->tx_ring[ring];
1960 tx_ring->num_desc = adapter->num_txd;
1961 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1962 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1963 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1964 qlcnic_free_tx_rings(adapter);
1965 return -ENOMEM;
1966 }
1967 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1968 tx_ring->cmd_buf_arr = cmd_buf_arr;
1969 }
1970
1971 if (qlcnic_83xx_check(adapter)) {
1972 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1973 tx_ring = &adapter->tx_ring[ring];
1974 tx_ring->adapter = adapter;
1975 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1976 index = adapter->max_sds_rings + ring;
1977 vector = adapter->msix_entries[index].vector;
1978 tx_ring->irq = vector;
1979 }
1980 }
1981 }
1982 return 0;
1983}
1984
6bb58bb0 1985static int
af19b491
AKS		 1986qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1987{
1988 struct net_device *netdev = NULL;
1989 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1990 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1991 int err, pci_using_dac = -1;
c84e340a 1992 u32 capab2;
7bc48646 1993 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 1994
f8468331
RB		 1995 if (pdev->is_virtfn)
1996 return -ENODEV;
1997
af19b491
AKS		 1998 err = pci_enable_device(pdev);
1999 if (err)
2000 return err;
2001
2002 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2003 err = -ENODEV;
2004 goto err_out_disable_pdev;
2005 }
2006
1bb09fb9
AKS		 2007 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2008 if (err)
2009 goto err_out_disable_pdev;
2010
af19b491
AKS		 2011 err = pci_request_regions(pdev, qlcnic_driver_name);
2012 if (err)
2013 goto err_out_disable_pdev;
2014
2015 pci_set_master(pdev);
451724c8 2016 pci_enable_pcie_error_reporting(pdev);
af19b491 2017
7e2cf4fe
SC		 2018 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2019 if (!ahw)
2020 goto err_out_free_res;
2021
f8468331
RB		 2022 switch (ent->device) {
2023 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2024 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2025 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2026 break;
2027 case PCI_DEVICE_ID_QLOGIC_QLE834X:
13159183 2028 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2029 break;
2030 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2031 qlcnic_sriov_vf_register_map(ahw);
2032 break;
2033 default:
13159183 2034 goto err_out_free_hw_res;
7e2cf4fe
SC		 2035 }
2036
2037 err = qlcnic_setup_pci_map(pdev, ahw);
2038 if (err)
2039 goto err_out_free_hw_res;
2040
af19b491
AKS		 2041 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2042 if (!netdev) {
af19b491 2043 err = -ENOMEM;
7e2cf4fe 2044 goto err_out_iounmap;
af19b491
AKS		 2045 }
2046
2047 SET_NETDEV_DEV(netdev, &pdev->dev);
2048
2049 adapter = netdev_priv(netdev);
2050 adapter->netdev = netdev;
2051 adapter->pdev = pdev;
13159183
SC		 2052 adapter->ahw = ahw;
2053
2054 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2055 if (adapter->qlcnic_wq == NULL) {
2056 dev_err(&pdev->dev, "Failed to create workqueue\n");
2057 goto err_out_free_netdev;
2058 }
af19b491 2059
2dfc9671
PST		 2060 err = qlcnic_alloc_adapter_resources(adapter);
2061 if (err)
b1fc6d3c
AC		 2062 goto err_out_free_netdev;
2063
2064 adapter->dev_rst_time = jiffies;
7e2cf4fe 2065 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2066 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2067 adapter->fdb_mac_learn = true;
2068 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2069 adapter->drv_mac_learn = true;
7e2cf4fe 2070 adapter->max_drv_tx_rings = 1;
af19b491 2071
b1fc6d3c
AC		 2072 rwlock_init(&adapter->ahw->crb_lock);
2073 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 2074
2075 spin_lock_init(&adapter->tx_clean_lock);
2076 INIT_LIST_HEAD(&adapter->mac_list);
2077
7e2cf4fe 2078 if (qlcnic_82xx_check(adapter)) {
13159183 2079 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2080 adapter->portnum = adapter->ahw->pci_func;
2081 err = qlcnic_start_firmware(adapter);
2082 if (err) {
2083 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2084 goto err_out_free_hw;
2085 }
af19b491 2086
7e2cf4fe
SC		 2087 err = qlcnic_setup_idc_param(adapter);
2088 if (err)
2089 goto err_out_free_hw;
b0044bcf 2090
7e2cf4fe 2091 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 2092 } else if (qlcnic_83xx_check(adapter)) {
2093 qlcnic_83xx_check_vf(adapter, ent);
2094 adapter->portnum = adapter->ahw->pci_func;
f8468331 2095 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2096 if (err) {
2097 dev_err(&pdev->dev, "%s: failed\n", __func__);
2098 goto err_out_free_hw;
2099 }
f8468331
RB		 2100 if (qlcnic_sriov_vf_check(adapter))
2101 return 0;
13159183
SC		 2102 } else {
2103 dev_err(&pdev->dev,
2104 "%s: failed. Please Reboot\n", __func__);
2105 goto err_out_free_hw;
a7fc948f 2106 }
af19b491 2107
da48e6c3
RB		 2108 if (qlcnic_read_mac_addr(adapter))
2109 dev_warn(&pdev->dev, "failed to read mac addr\n");
2110
2111 if (adapter->portnum == 0) {
22999798 2112 qlcnic_get_board_name(adapter, board_name);
13159183 2113
da48e6c3 2114 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2115 module_name(THIS_MODULE),
2116 board_name, adapter->ahw->revision_id);
da48e6c3 2117 }
460374f7
HM		 2118
2119 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2120 !!qlcnic_use_msi)
2121 dev_warn(&pdev->dev,
2122 "83xx adapter do not support MSI interrupts\n");
2123
7e2cf4fe 2124 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 2125 if (err) {
2126 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 2127 goto err_out_disable_msi;
9a97e705 2128 }
f94bc1e7 2129
13159183
SC		 2130 if (qlcnic_83xx_check(adapter)) {
2131 err = qlcnic_83xx_setup_mbx_intr(adapter);
2132 if (err)
2133 goto err_out_disable_msi;
2134 }
af19b491 2135
1bb09fb9 2136 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2137 if (err)
7e2cf4fe 2138 goto err_out_disable_mbx_intr;
af19b491 2139
c84e340a
SV		 2140 if (qlcnic_82xx_check(adapter)) {
2141 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
2142 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
2143 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
2144 qlcnic_fw_cmd_set_drv_version(adapter);
2145 }
2146 }
2147
af19b491
AKS		 2148 pci_set_drvdata(pdev, adapter);
2149
97ee45eb
SC		 2150 if (qlcnic_82xx_check(adapter))
2151 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2152 FW_POLL_DELAY);
af19b491 2153
b1fc6d3c 2154 switch (adapter->ahw->port_type) {
af19b491
AKS		 2155 case QLCNIC_GBE:
2156 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2157 adapter->netdev->name);
2158 break;
2159 case QLCNIC_XGBE:
2160 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2161 adapter->netdev->name);
2162 break;
2163 }
2164
7e2cf4fe
SC		 2165 if (qlcnic_get_act_pci_func(adapter))
2166 goto err_out_disable_mbx_intr;
2167
fe1adc6b 2168 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2169 qlcnic_alloc_lb_filters_mem(adapter);
2170
7e2cf4fe 2171 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2172
2173 return 0;
2174
7e2cf4fe 2175err_out_disable_mbx_intr:
7dd90cf1 2176 if (qlcnic_83xx_check(adapter))
13159183 2177 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2178
af19b491
AKS		 2179err_out_disable_msi:
2180 qlcnic_teardown_intr(adapter);
7e2cf4fe 2181 qlcnic_cancel_idc_work(adapter);
21854f02 2182 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2183
b1fc6d3c
AC		 2184err_out_free_hw:
2185 qlcnic_free_adapter_resources(adapter);
2186
af19b491
AKS		 2187err_out_free_netdev:
2188 free_netdev(netdev);
2189
7e2cf4fe 2190err_out_iounmap:
f1a094a8 2191 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2192
2193err_out_free_hw_res:
2194 kfree(ahw);
2195
af19b491
AKS		 2196err_out_free_res:
2197 pci_release_regions(pdev);
2198
2199err_out_disable_pdev:
2200 pci_set_drvdata(pdev, NULL);
2201 pci_disable_device(pdev);
2202 return err;
2203}
2204
6bb58bb0 2205static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2206{
2207 struct qlcnic_adapter *adapter;
2208 struct net_device *netdev;
13159183 2209 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2210
2211 adapter = pci_get_drvdata(pdev);
2212 if (adapter == NULL)
2213 return;
2214
2215 netdev = adapter->netdev;
02feda17 2216 qlcnic_sriov_pf_disable(adapter);
af19b491 2217
13159183
SC		 2218 qlcnic_cancel_idc_work(adapter);
2219 ahw = adapter->ahw;
af19b491
AKS		 2220
2221 unregister_netdev(netdev);
02feda17 2222 qlcnic_sriov_cleanup(adapter);
af19b491 2223
13159183 2224 if (qlcnic_83xx_check(adapter)) {
13159183 2225 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2226 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2227 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2228 }
2229
af19b491
AKS		 2230 qlcnic_detach(adapter);
2231
2e9d722d
AC		 2232 if (adapter->npars != NULL)
2233 kfree(adapter->npars);
2234 if (adapter->eswitch != NULL)
2235 kfree(adapter->eswitch);
2236
97ee45eb
SC		 2237 if (qlcnic_82xx_check(adapter))
2238 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2239
2240 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2241
b5e5492c
AKS		 2242 qlcnic_free_lb_filters_mem(adapter);
2243
af19b491
AKS		 2244 qlcnic_teardown_intr(adapter);
2245
13159183 2246 qlcnic_remove_sysfs(adapter);
af19b491 2247
f1a094a8 2248 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2249
2250 qlcnic_release_firmware(adapter);
2251
451724c8 2252 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2253 pci_release_regions(pdev);
2254 pci_disable_device(pdev);
2255 pci_set_drvdata(pdev, NULL);
2256
13159183
SC		 2257 if (adapter->qlcnic_wq) {
2258 destroy_workqueue(adapter->qlcnic_wq);
2259 adapter->qlcnic_wq = NULL;
2260 }
b1fc6d3c 2261 qlcnic_free_adapter_resources(adapter);
13159183 2262 kfree(ahw);
af19b491
AKS		 2263 free_netdev(netdev);
2264}
2265static int __qlcnic_shutdown(struct pci_dev *pdev)
2266{
2267 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2268 struct net_device *netdev = adapter->netdev;
2269 int retval;
2270
2271 netif_device_detach(netdev);
2272
13159183 2273 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2274
2275 if (netif_running(netdev))
2276 qlcnic_down(adapter, netdev);
2277
97d8105c 2278 qlcnic_sriov_cleanup(adapter);
97ee45eb
SC		 2279 if (qlcnic_82xx_check(adapter))
2280 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2281
2282 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2283
2284 retval = pci_save_state(pdev);
2285 if (retval)
2286 return retval;
97ee45eb
SC		 2287 if (qlcnic_82xx_check(adapter)) {
2288 if (qlcnic_wol_supported(adapter)) {
2289 pci_enable_wake(pdev, PCI_D3cold, 1);
2290 pci_enable_wake(pdev, PCI_D3hot, 1);
2291 }
af19b491
AKS		 2292 }
2293
2294 return 0;
2295}
2296
2297static void qlcnic_shutdown(struct pci_dev *pdev)
2298{
2299 if (__qlcnic_shutdown(pdev))
2300 return;
2301
2302 pci_disable_device(pdev);
2303}
2304
2305#ifdef CONFIG_PM
2306static int
2307qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2308{
2309 int retval;
2310
2311 retval = __qlcnic_shutdown(pdev);
2312 if (retval)
2313 return retval;
2314
2315 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2316 return 0;
2317}
2318
2319static int
2320qlcnic_resume(struct pci_dev *pdev)
2321{
2322 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2323 struct net_device *netdev = adapter->netdev;
2324 int err;
2325
2326 err = pci_enable_device(pdev);
2327 if (err)
2328 return err;
2329
2330 pci_set_power_state(pdev, PCI_D0);
2331 pci_set_master(pdev);
2332 pci_restore_state(pdev);
2333
13159183 2334 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2335 if (err) {
2336 dev_err(&pdev->dev, "failed to start firmware\n");
2337 return err;
2338 }
2339
2340 if (netif_running(netdev)) {
af19b491
AKS		 2341 err = qlcnic_up(adapter, netdev);
2342 if (err)
52486a3a 2343 goto done;
af19b491 2344
aec1e845 2345 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2346 }
52486a3a 2347done:
af19b491
AKS		 2348 netif_device_attach(netdev);
2349 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2350 return 0;
af19b491
AKS		 2351}
2352#endif
2353
2354static int qlcnic_open(struct net_device *netdev)
2355{
2356 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2357 int err;
2358
c55ad8e5
AKS		 2359 netif_carrier_off(netdev);
2360
af19b491
AKS		 2361 err = qlcnic_attach(adapter);
2362 if (err)
2363 return err;
2364
2365 err = __qlcnic_up(adapter, netdev);
2366 if (err)
2367 goto err_out;
2368
2369 netif_start_queue(netdev);
2370
2371 return 0;
2372
2373err_out:
2374 qlcnic_detach(adapter);
2375 return err;
2376}
2377
2378/*
2379 * qlcnic_close - Disables a network interface entry point
2380 */
2381static int qlcnic_close(struct net_device *netdev)
2382{
2383 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2384
2385 __qlcnic_down(adapter, netdev);
13159183 2386
af19b491
AKS		 2387 return 0;
2388}
2389
e5dcf6dc 2390void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2391{
2392 void *head;
2393 int i;
13159183
SC		 2394 struct net_device *netdev = adapter->netdev;
2395 u32 filter_size = 0;
2396 u16 act_pci_func = 0;
b5e5492c 2397
e5dcf6dc 2398 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2399 return;
2400
13159183 2401 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2402 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2403 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2404
13159183
SC		 2405 if (qlcnic_82xx_check(adapter)) {
2406 filter_size = QLCNIC_LB_MAX_FILTERS;
2407 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2408 } else {
2409 filter_size = QLC_83XX_LB_MAX_FILTERS;
2410 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2411 }
2412
2413 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2414 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2415
b5e5492c
AKS		 2416 if (!head)
2417 return;
2418
13159183 2419 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2420 adapter->fhash.fhead = head;
b5e5492c 2421
13159183
SC		 2422 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2423 act_pci_func, adapter->fhash.fmax);
2424
2425 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2426 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2427
2428 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2429
2430 head = kcalloc(adapter->rx_fhash.fbucket_size,
2431 sizeof(struct hlist_head), GFP_ATOMIC);
2432
2433 if (!head)
2434 return;
2435
2436 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2437 adapter->rx_fhash.fhead = head;
2438
2439 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2440 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2441}
2442
2443static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2444{
2445 if (adapter->fhash.fmax && adapter->fhash.fhead)
2446 kfree(adapter->fhash.fhead);
2447
2448 adapter->fhash.fhead = NULL;
2449 adapter->fhash.fmax = 0;
53643a75
SS		 2450
2451 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2452 kfree(adapter->rx_fhash.fhead);
2453
2454 adapter->rx_fhash.fmax = 0;
2455 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2456}
2457
629263ac 2458int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2459{
2460 struct net_device *netdev = adapter->netdev;
97ee45eb 2461 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2462 int rv = 0;
2463
13159183
SC		 2464 if (qlcnic_83xx_check(adapter))
2465 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2466
97ee45eb 2467 if (qlcnic_82xx_check(adapter))
a15ebd37 2468 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2469
2470 temp_state = qlcnic_get_temp_state(temp);
2471 temp_val = qlcnic_get_temp_val(temp);
2472
2473 if (temp_state == QLCNIC_TEMP_PANIC) {
2474 dev_err(&netdev->dev,
2475 "Device temperature %d degrees C exceeds"
2476 " maximum allowed. Hardware has been shut down.\n",
2477 temp_val);
2478 rv = 1;
2479 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2480 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2481 dev_err(&netdev->dev,
2482 "Device temperature %d degrees C "
2483 "exceeds operating range."
2484 " Immediate action needed.\n",
2485 temp_val);
2486 }
2487 } else {
79788450 2488 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2489 dev_info(&netdev->dev,
2490 "Device temperature is now %d degrees C"
2491 " in normal range.\n", temp_val);
2492 }
2493 }
79788450 2494 adapter->ahw->temp = temp_state;
af19b491
AKS		 2495 return rv;
2496}
2497
af19b491
AKS		 2498static void qlcnic_tx_timeout(struct net_device *netdev)
2499{
2500 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2501
2502 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2503 return;
2504
2505 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2506
2507 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2508 adapter->need_fw_reset = 1;
2509 else
79788450 2510 adapter->ahw->reset_context = 1;
af19b491
AKS		 2511}
2512
2513static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2514{
2515 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2516 struct net_device_stats *stats = &netdev->stats;
2517
af19b491
AKS		 2518 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2519 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2520 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2521 stats->tx_bytes = adapter->stats.txbytes;
2522 stats->rx_dropped = adapter->stats.rxdropped;
2523 stats->tx_dropped = adapter->stats.txdropped;
2524
2525 return stats;
2526}
2527
7e2cf4fe 2528irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2529{
af19b491
AKS		 2530 u32 status;
2531
2532 status = readl(adapter->isr_int_vec);
2533
79788450 2534 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2535 return IRQ_NONE;
2536
2537 /* check interrupt state machine, to be sure */
2538 status = readl(adapter->crb_int_state_reg);
2539 if (!ISR_LEGACY_INT_TRIGGERED(status))
2540 return IRQ_NONE;
2541
2542 writel(0xffffffff, adapter->tgt_status_reg);
2543 /* read twice to ensure write is flushed */
2544 readl(adapter->isr_int_vec);
2545 readl(adapter->isr_int_vec);
2546
7eb9855d
AKS		 2547 return IRQ_HANDLED;
2548}
2549
2550static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2551{
2552 struct qlcnic_host_sds_ring *sds_ring = data;
2553 struct qlcnic_adapter *adapter = sds_ring->adapter;
2554
2555 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2556 goto done;
2557 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2558 writel(0xffffffff, adapter->tgt_status_reg);
2559 goto done;
2560 }
2561
2562 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2563 return IRQ_NONE;
2564
2565done:
79788450 2566 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2567 qlcnic_enable_int(sds_ring);
2568 return IRQ_HANDLED;
2569}
2570
2571static irqreturn_t qlcnic_intr(int irq, void *data)
2572{
2573 struct qlcnic_host_sds_ring *sds_ring = data;
2574 struct qlcnic_adapter *adapter = sds_ring->adapter;
2575
2576 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2577 return IRQ_NONE;
2578
af19b491
AKS		 2579 napi_schedule(&sds_ring->napi);
2580
2581 return IRQ_HANDLED;
2582}
2583
2584static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2585{
2586 struct qlcnic_host_sds_ring *sds_ring = data;
2587 struct qlcnic_adapter *adapter = sds_ring->adapter;
2588
2589 /* clear interrupt */
2590 writel(0xffffffff, adapter->tgt_status_reg);
2591
2592 napi_schedule(&sds_ring->napi);
2593 return IRQ_HANDLED;
2594}
2595
2596static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2597{
2598 struct qlcnic_host_sds_ring *sds_ring = data;
2599
2600 napi_schedule(&sds_ring->napi);
2601 return IRQ_HANDLED;
2602}
2603
13159183
SC		 2604static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2605{
2606 struct qlcnic_host_tx_ring *tx_ring = data;
2607
2608 napi_schedule(&tx_ring->napi);
2609 return IRQ_HANDLED;
2610}
2611
af19b491
AKS		 2612#ifdef CONFIG_NET_POLL_CONTROLLER
2613static void qlcnic_poll_controller(struct net_device *netdev)
2614{
bf82791e
YL		 2615 int ring;
2616 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2617 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2618 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2619
af19b491 2620 disable_irq(adapter->irq);
bf82791e
YL		 2621 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2622 sds_ring = &recv_ctx->sds_rings[ring];
2623 qlcnic_intr(adapter->irq, sds_ring);
2624 }
af19b491
AKS		 2625 enable_irq(adapter->irq);
2626}
2627#endif
2628
6df900e9
SC		 2629static void
2630qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2631{
2632 u32 val;
2633
2634 val = adapter->portnum & 0xf;
2635 val |= encoding << 7;
2636 val |= (jiffies - adapter->dev_rst_time) << 8;
2637
a15ebd37 2638 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2639 adapter->dev_rst_time = jiffies;
2640}
2641
ade91f8e
AKS		 2642static int
2643qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2644{
2645 u32 val;
2646
2647 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2648 state != QLCNIC_DEV_NEED_QUISCENT);
2649
2650 if (qlcnic_api_lock(adapter))
ade91f8e 2651 return -EIO;
af19b491 2652
a15ebd37 2653 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2654
2655 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2656 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2657 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2658 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2659
a15ebd37 2660 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2661
2662 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2663
2664 return 0;
af19b491
AKS		 2665}
2666
1b95a839
AKS		 2667static int
2668qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2669{
2670 u32 val;
2671
2672 if (qlcnic_api_lock(adapter))
2673 return -EBUSY;
2674
a15ebd37 2675 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2676 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2677 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2678
2679 qlcnic_api_unlock(adapter);
2680
2681 return 0;
2682}
2683
af19b491 2684static void
21854f02 2685qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2686{
2687 u32 val;
2688
2689 if (qlcnic_api_lock(adapter))
2690 goto err;
2691
a15ebd37 2692 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2693 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2694 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2695
21854f02 2696 if (failed) {
a15ebd37
HM		 2697 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2698 QLCNIC_DEV_FAILED);
21854f02
AKS		 2699 dev_info(&adapter->pdev->dev,
2700 "Device state set to Failed. Please Reboot\n");
2701 } else if (!(val & 0x11111111))
a15ebd37
HM		 2702 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2703 QLCNIC_DEV_COLD);
af19b491 2704
a15ebd37 2705 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2706 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2707 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2708
2709 qlcnic_api_unlock(adapter);
2710err:
2711 adapter->fw_fail_cnt = 0;
032a13c7 2712 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2713 clear_bit(__QLCNIC_START_FW, &adapter->state);
2714 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2715}
2716
f73dfc50 2717/* Grab api lock, before checking state */
af19b491
AKS		 2718static int
2719qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2720{
602ca6f0 2721 int act, state, active_mask;
a15ebd37 2722 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2723
a15ebd37
HM		 2724 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2725 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2726
602ca6f0 2727 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2728 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2729 act = act & active_mask;
2730 }
2731
af19b491
AKS		 2732 if (((state & 0x11111111) == (act & 0x11111111)) ||
2733 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2734 return 0;
2735 else
2736 return 1;
2737}
2738
96f8118c
SC		 2739static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2740{
a15ebd37 2741 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2742
2743 if (val != QLCNIC_DRV_IDC_VER) {
2744 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2745 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2746 }
2747
2748 return 0;
2749}
2750
af19b491
AKS		 2751static int
2752qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2753{
2754 u32 val, prev_state;
aa5e18c0 2755 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2756 u8 portnum = adapter->portnum;
96f8118c 2757 u8 ret;
af19b491 2758
f73dfc50
AKS		 2759 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2760 return 1;
2761
af19b491
AKS		 2762 if (qlcnic_api_lock(adapter))
2763 return -1;
2764
a15ebd37 2765 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2766 if (!(val & (1 << (portnum * 4)))) {
2767 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2768 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2769 }
2770
a15ebd37 2771 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2772 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2773
2774 switch (prev_state) {
2775 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2776 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2777 QLCNIC_DEV_INITIALIZING);
2778 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2779 QLCNIC_DRV_IDC_VER);
6df900e9 2780 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2781 qlcnic_api_unlock(adapter);
2782 return 1;
2783
2784 case QLCNIC_DEV_READY:
96f8118c 2785 ret = qlcnic_check_idc_ver(adapter);
af19b491 2786 qlcnic_api_unlock(adapter);
96f8118c 2787 return ret;
af19b491
AKS		 2788
2789 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2790 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2791 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2792 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2793 break;
2794
2795 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2796 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2797 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2798 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2799 break;
2800
2801 case QLCNIC_DEV_FAILED:
a7fc948f 2802 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2803 qlcnic_api_unlock(adapter);
2804 return -1;
bbd8c6a4
AKS		 2805
2806 case QLCNIC_DEV_INITIALIZING:
2807 case QLCNIC_DEV_QUISCENT:
2808 break;
af19b491
AKS		 2809 }
2810
2811 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2812
2813 do {
af19b491 2814 msleep(1000);
a15ebd37 2815 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2816
2817 if (prev_state == QLCNIC_DEV_QUISCENT)
2818 continue;
2819 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2820
65b5b420
AKS		 2821 if (!dev_init_timeo) {
2822 dev_err(&adapter->pdev->dev,
2823 "Waiting for device to initialize timeout\n");
af19b491 2824 return -1;
65b5b420 2825 }
af19b491
AKS		 2826
2827 if (qlcnic_api_lock(adapter))
2828 return -1;
2829
a15ebd37 2830 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2831 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2832 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2833
96f8118c 2834 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2835 qlcnic_api_unlock(adapter);
2836
96f8118c 2837 return ret;
af19b491
AKS		 2838}
2839
2840static void
2841qlcnic_fwinit_work(struct work_struct *work)
2842{
2843 struct qlcnic_adapter *adapter = container_of(work,
2844 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2845 u32 dev_state = 0xf;
7b749ff4 2846 u32 val;
af19b491 2847
f73dfc50
AKS		 2848 if (qlcnic_api_lock(adapter))
2849 goto err_ret;
af19b491 2850
a15ebd37 2851 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2852 if (dev_state == QLCNIC_DEV_QUISCENT ||
2853 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2854 qlcnic_api_unlock(adapter);
2855 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2856 FW_POLL_DELAY * 2);
2857 return;
2858 }
2859
79788450 2860 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2861 qlcnic_api_unlock(adapter);
2862 goto wait_npar;
9f26f547
AC		 2863 }
2864
16e3cf73
SV		 2865 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2866 dev_state == QLCNIC_DEV_READY) {
2867 dev_info(&adapter->pdev->dev, "Detected state change from "
2868 "DEV_NEED_RESET, skipping ack check\n");
2869 goto skip_ack_check;
2870 }
2871
f73dfc50 2872 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2873 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2874 adapter->reset_ack_timeo);
2875 goto skip_ack_check;
2876 }
2877
2878 if (!qlcnic_check_drv_state(adapter)) {
2879skip_ack_check:
a15ebd37 2880 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2881
f73dfc50 2882 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2883 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2884 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2885 set_bit(__QLCNIC_START_FW, &adapter->state);
2886 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2887 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2888 val = QLC_SHARED_REG_RD32(adapter,
2889 QLCNIC_CRB_DRV_STATE);
7b749ff4 2890 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2891 QLC_SHARED_REG_WR32(adapter,
2892 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2893 }
2894
f73dfc50
AKS		 2895 qlcnic_api_unlock(adapter);
2896
287e38aa 2897 rtnl_lock();
7b749ff4
SV		 2898 if (adapter->ahw->fw_dump.enable &&
2899 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2900 QLCDB(adapter, DRV, "Take FW dump\n");
2901 qlcnic_dump_fw(adapter);
032a13c7 2902 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2903 }
287e38aa 2904 rtnl_unlock();
7b749ff4
SV		 2905
2906 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2907 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2908 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2909 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2910 return;
2911 }
af19b491
AKS		 2912 goto err_ret;
2913 }
2914
f73dfc50 2915 qlcnic_api_unlock(adapter);
aa5e18c0 2916
9f26f547 2917wait_npar:
a15ebd37 2918 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2919 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2920
af19b491 2921 switch (dev_state) {
3c4b23b1 2922 case QLCNIC_DEV_READY:
7e2cf4fe 2923 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2924 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2925 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2926 return;
2927 }
3c4b23b1
AKS		 2928 case QLCNIC_DEV_FAILED:
2929 break;
2930 default:
2931 qlcnic_schedule_work(adapter,
2932 qlcnic_fwinit_work, FW_POLL_DELAY);
2933 return;
af19b491
AKS		 2934 }
2935
2936err_ret:
f73dfc50
AKS		 2937 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2938 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2939 netif_device_attach(adapter->netdev);
21854f02 2940 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2941}
2942
2943static void
2944qlcnic_detach_work(struct work_struct *work)
2945{
2946 struct qlcnic_adapter *adapter = container_of(work,
2947 struct qlcnic_adapter, fw_work.work);
2948 struct net_device *netdev = adapter->netdev;
2949 u32 status;
2950
2951 netif_device_detach(netdev);
2952
b8c17620
AKS		 2953 /* Dont grab rtnl lock during Quiscent mode */
2954 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2955 if (netif_running(netdev))
2956 __qlcnic_down(adapter, netdev);
2957 } else
2958 qlcnic_down(adapter, netdev);
af19b491 2959
a15ebd37 2960 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2961
44f65b29
SC		 2962 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2963 dev_err(&adapter->pdev->dev,
2964 "Detaching the device: peg halt status1=0x%x\n",
2965 status);
2966
2967 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2968 dev_err(&adapter->pdev->dev,
2969 "On board active cooling fan failed. "
2970 "Device has been halted.\n");
2971 dev_err(&adapter->pdev->dev,
2972 "Replace the adapter.\n");
2973 }
2974
af19b491 2975 goto err_ret;
44f65b29 2976 }
af19b491 2977
79788450 2978 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2979 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2980 adapter->ahw->temp);
af19b491 2981 goto err_ret;
44f65b29
SC		 2982 }
2983
602ca6f0
SV		 2984 /* Dont ack if this instance is the reset owner */
2985 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2986 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2987 dev_err(&adapter->pdev->dev,
2988 "Failed to set driver state,"
2989 "detaching the device.\n");
602ca6f0 2990 goto err_ret;
44f65b29 2991 }
602ca6f0 2992 }
af19b491
AKS		 2993
2994 adapter->fw_wait_cnt = 0;
2995
2996 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2997
2998 return;
2999
3000err_ret:
34ce3626 3001 netif_device_attach(netdev);
21854f02 3002 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3003}
3004
3c4b23b1
AKS		 3005/*Transit NPAR state to NON Operational */
3006static void
3007qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3008{
3009 u32 state;
3010
a15ebd37 3011 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3012 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3013 return;
3014
3015 if (qlcnic_api_lock(adapter))
3016 return;
a15ebd37
HM		 3017 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3018 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3019 qlcnic_api_unlock(adapter);
3020}
3021
7e2cf4fe 3022void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 3023{
646779f1
SV		 3024 u32 state, xg_val = 0, gb_val = 0;
3025
3026 qlcnic_xg_set_xg0_mask(xg_val);
3027 qlcnic_xg_set_xg1_mask(xg_val);
3028 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3029 qlcnic_gb_set_gb0_mask(gb_val);
3030 qlcnic_gb_set_gb1_mask(gb_val);
3031 qlcnic_gb_set_gb2_mask(gb_val);
3032 qlcnic_gb_set_gb3_mask(gb_val);
3033 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3034 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3035 " on all ports\n");
cea8975e 3036 adapter->need_fw_reset = 1;
13159183 3037
af19b491
AKS		 3038 if (qlcnic_api_lock(adapter))
3039 return;
3040
13159183 3041 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 3042
f73dfc50 3043 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3044 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3045 QLCNIC_DEV_NEED_RESET);
602ca6f0 3046 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3047 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3048 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3049 }
3050
13159183
SC		 3051 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3052 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3053 qlcnic_api_unlock(adapter);
3054}
3055
9f26f547
AC		 3056/* Transit to NPAR READY state from NPAR NOT READY state */
3057static void
3058qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3059{
9f26f547
AC		 3060 if (qlcnic_api_lock(adapter))
3061 return;
3062
a15ebd37
HM		 3063 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3064 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3065 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3066
3067 qlcnic_api_unlock(adapter);
3068}
3069
13159183
SC		 3070void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3071 work_func_t func, int delay)
af19b491 3072{
451724c8
SC		 3073 if (test_bit(__QLCNIC_AER, &adapter->state))
3074 return;
3075
af19b491 3076 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3077 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3078 round_jiffies_relative(delay));
af19b491
AKS		 3079}
3080
3081static void
3082qlcnic_attach_work(struct work_struct *work)
3083{
3084 struct qlcnic_adapter *adapter = container_of(work,
3085 struct qlcnic_adapter, fw_work.work);
3086 struct net_device *netdev = adapter->netdev;
b18971d1 3087 u32 npar_state;
af19b491 3088
79788450 3089 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3090 npar_state = QLC_SHARED_REG_RD32(adapter,
3091 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3092 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3093 qlcnic_clr_all_drv_state(adapter, 0);
3094 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3095 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3096 FW_POLL_DELAY);
3097 else
3098 goto attach;
3099 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3100 return;
3101 }
3102attach:
af19b491 3103 if (netif_running(netdev)) {
52486a3a 3104 if (qlcnic_up(adapter, netdev))
af19b491 3105 goto done;
af19b491 3106
aec1e845 3107 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3108 }
3109
af19b491 3110done:
34ce3626 3111 netif_device_attach(netdev);
af19b491 3112 adapter->fw_fail_cnt = 0;
032a13c7 3113 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3114 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 3115
3116 if (!qlcnic_clr_drv_state(adapter))
3117 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3118 FW_POLL_DELAY);
af19b491
AKS		 3119}
3120
3121static int
3122qlcnic_check_health(struct qlcnic_adapter *adapter)
3123{
4e70812b 3124 u32 state = 0, heartbeat;
853d4bca 3125 u32 peg_status;
af19b491
AKS		 3126
3127 if (qlcnic_check_temp(adapter))
3128 goto detach;
3129
2372a5f1 3130 if (adapter->need_fw_reset)
7e2cf4fe 3131 qlcnic_dev_request_reset(adapter, 0);
af19b491 3132
a15ebd37 3133 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3134 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3135 qlcnic_set_npar_non_operational(adapter);
af19b491 3136 adapter->need_fw_reset = 1;
b8c17620
AKS		 3137 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3138 goto detach;
af19b491 3139
a15ebd37 3140 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3141 if (heartbeat != adapter->heartbeat) {
3142 adapter->heartbeat = heartbeat;
af19b491
AKS		 3143 adapter->fw_fail_cnt = 0;
3144 if (adapter->need_fw_reset)
3145 goto detach;
68bf1c68 3146
099f7aa7 3147 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 3148 qlcnic_reset_hw_context(adapter);
3149 adapter->netdev->trans_start = jiffies;
3150 }
3151
af19b491
AKS		 3152 return 0;
3153 }
3154
3155 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3156 return 0;
3157
032a13c7
SV		 3158 adapter->flags |= QLCNIC_FW_HANG;
3159
7e2cf4fe 3160 qlcnic_dev_request_reset(adapter, 0);
af19b491 3161
099f7aa7 3162 if (qlcnic_auto_fw_reset)
0df170b6 3163 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3164
853d4bca 3165 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3166 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3167 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3168 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3169 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3170 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3171 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3172 peg_status,
3173 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 3174 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3175 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3176 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3177 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3178 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 3179 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3180 dev_err(&adapter->pdev->dev,
3181 "Firmware aborted with error code 0x00006700. "
3182 "Device is being reset.\n");
af19b491
AKS		 3183detach:
3184 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3185 QLCNIC_DEV_NEED_RESET;
3186
099f7aa7
SC		 3187 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3188 &adapter->state)) {
65b5b420 3189
af19b491 3190 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3191 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3192 }
af19b491
AKS		 3193
3194 return 1;
3195}
3196
3197static void
3198qlcnic_fw_poll_work(struct work_struct *work)
3199{
3200 struct qlcnic_adapter *adapter = container_of(work,
3201 struct qlcnic_adapter, fw_work.work);
3202
3203 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3204 goto reschedule;
3205
3206
3207 if (qlcnic_check_health(adapter))
3208 return;
3209
b5e5492c
AKS		 3210 if (adapter->fhash.fnum)
3211 qlcnic_prune_lb_filters(adapter);
3212
af19b491
AKS		 3213reschedule:
3214 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3215}
3216
451724c8
SC		 3217static int qlcnic_is_first_func(struct pci_dev *pdev)
3218{
3219 struct pci_dev *oth_pdev;
3220 int val = pdev->devfn;
3221
3222 while (val-- > 0) {
3223 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3224 (pdev->bus), pdev->bus->number,
3225 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3226 if (!oth_pdev)
3227 continue;
451724c8 3228
bfc978fa
AKS		 3229 if (oth_pdev->current_state != PCI_D3cold) {
3230 pci_dev_put(oth_pdev);
451724c8 3231 return 0;
bfc978fa
AKS		 3232 }
3233 pci_dev_put(oth_pdev);
451724c8
SC		 3234 }
3235 return 1;
3236}
3237
3238static int qlcnic_attach_func(struct pci_dev *pdev)
3239{
3240 int err, first_func;
3241 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3242 struct net_device *netdev = adapter->netdev;
3243
3244 pdev->error_state = pci_channel_io_normal;
3245
3246 err = pci_enable_device(pdev);
3247 if (err)
3248 return err;
3249
3250 pci_set_power_state(pdev, PCI_D0);
3251 pci_set_master(pdev);
3252 pci_restore_state(pdev);
3253
3254 first_func = qlcnic_is_first_func(pdev);
3255
3256 if (qlcnic_api_lock(adapter))
3257 return -EINVAL;
3258
79788450 3259 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3260 adapter->need_fw_reset = 1;
3261 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3262 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3263 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3264 QLCDB(adapter, DRV, "Restarting fw\n");
3265 }
3266 qlcnic_api_unlock(adapter);
3267
13159183 3268 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3269 if (err)
3270 return err;
3271
3272 qlcnic_clr_drv_state(adapter);
13159183
SC		 3273 kfree(adapter->msix_entries);
3274 adapter->msix_entries = NULL;
3275 err = qlcnic_setup_intr(adapter, 0);
3276
9a97e705
M		 3277 if (err) {
3278 kfree(adapter->msix_entries);
3279 netdev_err(netdev, "failed to setup interrupt\n");
3280 return err;
3281 }
3282
13159183 3283 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3284 /* register for NIC IDC AEN Events */
3285 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3286 err = qlcnic_83xx_setup_mbx_intr(adapter);
3287 if (err) {
3288 dev_err(&adapter->pdev->dev,
3289 "failed to setup mbx interrupt\n");
3290 qlcnic_clr_all_drv_state(adapter, 1);
3291 clear_bit(__QLCNIC_AER, &adapter->state);
3292 goto done;
3293 }
3294 }
451724c8
SC		 3295
3296 if (netif_running(netdev)) {
3297 err = qlcnic_attach(adapter);
3298 if (err) {
21854f02 3299 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3300 clear_bit(__QLCNIC_AER, &adapter->state);
3301 netif_device_attach(netdev);
3302 return err;
3303 }
3304
3305 err = qlcnic_up(adapter, netdev);
3306 if (err)
3307 goto done;
3308
aec1e845 3309 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3310 }
3311 done:
3312 netif_device_attach(netdev);
3313 return err;
3314}
3315
3316static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3317 pci_channel_state_t state)
3318{
3319 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3320 struct net_device *netdev = adapter->netdev;
3321
3322 if (state == pci_channel_io_perm_failure)
3323 return PCI_ERS_RESULT_DISCONNECT;
3324
3325 if (state == pci_channel_io_normal)
3326 return PCI_ERS_RESULT_RECOVERED;
3327
3328 set_bit(__QLCNIC_AER, &adapter->state);
3329 netif_device_detach(netdev);
3330
3331 cancel_delayed_work_sync(&adapter->fw_work);
3332
3333 if (netif_running(netdev))
3334 qlcnic_down(adapter, netdev);
3335
13159183 3336 if (qlcnic_83xx_check(adapter)) {
13159183 3337 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3338 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3339 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3340 }
3341
451724c8
SC		 3342 qlcnic_detach(adapter);
3343 qlcnic_teardown_intr(adapter);
3344
3345 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3346
3347 pci_save_state(pdev);
3348 pci_disable_device(pdev);
3349
3350 return PCI_ERS_RESULT_NEED_RESET;
3351}
3352
3353static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3354{
3355 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3356 PCI_ERS_RESULT_RECOVERED;
3357}
3358
3359static void qlcnic_io_resume(struct pci_dev *pdev)
3360{
a15ebd37 3361 u32 state;
451724c8
SC		 3362 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3363
3364 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3365 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3366 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3367 &adapter->state))
451724c8
SC		 3368 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3369 FW_POLL_DELAY);
3370}
3371
87eb743b
AC		 3372static int
3373qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3374{
3375 int err;
3376
3377 err = qlcnic_can_start_firmware(adapter);
3378 if (err)
3379 return err;
3380
78f84e1a
AKS		 3381 err = qlcnic_check_npar_opertional(adapter);
3382 if (err)
3383 return err;
3c4b23b1 3384
174240a8
RB		 3385 err = qlcnic_initialize_nic(adapter);
3386 if (err)
3387 return err;
3388
87eb743b
AC		 3389 qlcnic_check_options(adapter);
3390
7373373d
RB		 3391 err = qlcnic_set_eswitch_port_config(adapter);
3392 if (err)
3393 return err;
3394
87eb743b
AC		 3395 adapter->need_fw_reset = 0;
3396
3397 return err;
3398}
3399
6389b76d
MC		 3400int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3401 __u32 val)
f94bc1e7 3402{
6389b76d
MC		 3403 struct net_device *netdev = adapter->netdev;
3404 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3405 u32 max_allowed;
3406
6389b76d
MC		 3407 if (val > QLC_MAX_SDS_RINGS) {
3408 netdev_err(netdev, "RSS value should not be higher than %u\n",
3409 QLC_MAX_SDS_RINGS);
3410 return -EINVAL;
f94bc1e7
SC		 3411 }
3412
319ecf12
SC		 3413 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3414 num_online_cpus()));
3415 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3416 if (!is_power_of_2(val))
3417 netdev_err(netdev, "RSS value should be a power of 2\n");
3418
3419 if (val < 2)
3420 netdev_err(netdev, "RSS value should not be lower than 2\n");
3421
3422 if (val > max_hw)
3423 netdev_err(netdev,
3424 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3425 max_hw);
3426
3427 if (val > num_online_cpus())
3428 netdev_err(netdev,
3429 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3430 num_online_cpus());
3431
3432 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3433
f94bc1e7
SC		 3434 return -EINVAL;
3435 }
3436 return 0;
f94bc1e7
SC		 3437}
3438
319ecf12 3439int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3440{
13159183 3441 int err;
f94bc1e7 3442 struct net_device *netdev = adapter->netdev;
f94bc1e7 3443
319ecf12
SC		 3444 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3445 return -EBUSY;
3446
f94bc1e7
SC		 3447 netif_device_detach(netdev);
3448 if (netif_running(netdev))
3449 __qlcnic_down(adapter, netdev);
13159183 3450
7dd90cf1
SC		 3451 qlcnic_detach(adapter);
3452
7ed3ce48 3453 if (qlcnic_83xx_check(adapter)) {
13159183 3454 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3455 qlcnic_83xx_enable_mbx_poll(adapter);
3456 }
13159183 3457
f94bc1e7 3458 qlcnic_teardown_intr(adapter);
319ecf12 3459 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3460 if (err) {
3461 kfree(adapter->msix_entries);
3462 netdev_err(netdev, "failed to setup interrupt\n");
3463 return err;
3464 }
f94bc1e7 3465
13159183 3466 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3467 /* register for NIC IDC AEN Events */
3468 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3469 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3470 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3471 if (err) {
3472 dev_err(&adapter->pdev->dev,
3473 "failed to setup mbx interrupt\n");
3474 goto done;
3475 }
f94bc1e7
SC		 3476 }
3477
3478 if (netif_running(netdev)) {
3479 err = qlcnic_attach(adapter);
3480 if (err)
3481 goto done;
3482 err = __qlcnic_up(adapter, netdev);
3483 if (err)
3484 goto done;
3485 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3486 }
319ecf12 3487 err = len;
f94bc1e7
SC		 3488 done:
3489 netif_device_attach(netdev);
3490 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3491 return err;
3492}
3493
af19b491
AKS		 3494#ifdef CONFIG_INET
3495
3496#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3497
af19b491 3498static void
aec1e845
AKS		 3499qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3500 struct net_device *dev, unsigned long event)
af19b491
AKS		 3501{
3502 struct in_device *indev;
af19b491 3503
af19b491
AKS		 3504 indev = in_dev_get(dev);
3505 if (!indev)
3506 return;
3507
3508 for_ifa(indev) {
3509 switch (event) {
3510 case NETDEV_UP:
3511 qlcnic_config_ipaddr(adapter,
3512 ifa->ifa_address, QLCNIC_IP_UP);
3513 break;
3514 case NETDEV_DOWN:
3515 qlcnic_config_ipaddr(adapter,
3516 ifa->ifa_address, QLCNIC_IP_DOWN);
3517 break;
3518 default:
3519 break;
3520 }
3521 } endfor_ifa(indev);
3522
3523 in_dev_put(indev);
af19b491
AKS		 3524}
3525
319ecf12 3526void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3527{
3528 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3529 struct net_device *dev;
3530 u16 vid;
3531
3532 qlcnic_config_indev_addr(adapter, netdev, event);
3533
43c00a75 3534 rcu_read_lock();
b9796a14 3535 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3536 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3537 if (!dev)
3538 continue;
aec1e845
AKS		 3539 qlcnic_config_indev_addr(adapter, dev, event);
3540 }
43c00a75 3541 rcu_read_unlock();
aec1e845
AKS		 3542}
3543
af19b491
AKS		 3544static int qlcnic_netdev_event(struct notifier_block *this,
3545 unsigned long event, void *ptr)
3546{
3547 struct qlcnic_adapter *adapter;
3548 struct net_device *dev = (struct net_device *)ptr;
3549
3550recheck:
3551 if (dev == NULL)
3552 goto done;
3553
3554 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3555 dev = vlan_dev_real_dev(dev);
3556 goto recheck;
3557 }
3558
3559 if (!is_qlcnic_netdev(dev))
3560 goto done;
3561
3562 adapter = netdev_priv(dev);
3563
3564 if (!adapter)
3565 goto done;
3566
8a15ad1f 3567 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3568 goto done;
3569
aec1e845 3570 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3571done:
3572 return NOTIFY_DONE;
3573}
3574
3575static int
3576qlcnic_inetaddr_event(struct notifier_block *this,
3577 unsigned long event, void *ptr)
3578{
3579 struct qlcnic_adapter *adapter;
3580 struct net_device *dev;
3581
3582 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3583
3584 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3585
3586recheck:
aec1e845 3587 if (dev == NULL)
af19b491
AKS		 3588 goto done;
3589
3590 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3591 dev = vlan_dev_real_dev(dev);
3592 goto recheck;
3593 }
3594
3595 if (!is_qlcnic_netdev(dev))
3596 goto done;
3597
3598 adapter = netdev_priv(dev);
3599
251a84c9 3600 if (!adapter)
af19b491
AKS		 3601 goto done;
3602
8a15ad1f 3603 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3604 goto done;
3605
3606 switch (event) {
3607 case NETDEV_UP:
3608 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3609
af19b491
AKS		 3610 break;
3611 case NETDEV_DOWN:
3612 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3613
af19b491
AKS		 3614 break;
3615 default:
3616 break;
3617 }
3618
3619done:
3620 return NOTIFY_DONE;
3621}
3622
3623static struct notifier_block qlcnic_netdev_cb = {
3624 .notifier_call = qlcnic_netdev_event,
3625};
3626
3627static struct notifier_block qlcnic_inetaddr_cb = {
3628 .notifier_call = qlcnic_inetaddr_event,
3629};
3630#else
f8ca2b6f 3631void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3632{ }
3633#endif
fec9dd15 3634static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3635 .error_detected = qlcnic_io_error_detected,
3636 .slot_reset = qlcnic_io_slot_reset,
3637 .resume = qlcnic_io_resume,
3638};
af19b491
AKS		 3639
3640static struct pci_driver qlcnic_driver = {
3641 .name = qlcnic_driver_name,
3642 .id_table = qlcnic_pci_tbl,
3643 .probe = qlcnic_probe,
6bb58bb0 3644 .remove = qlcnic_remove,
af19b491
AKS		 3645#ifdef CONFIG_PM
3646 .suspend = qlcnic_suspend,
3647 .resume = qlcnic_resume,
3648#endif
451724c8 3649 .shutdown = qlcnic_shutdown,
02feda17
RB		 3650 .err_handler = &qlcnic_err_handler,
3651#ifdef CONFIG_QLCNIC_SRIOV
3652 .sriov_configure = qlcnic_pci_sriov_configure,
3653#endif
451724c8 3654
af19b491
AKS		 3655};
3656
3657static int __init qlcnic_init_module(void)
3658{
0cf3a14c 3659 int ret;
af19b491
AKS		 3660
3661 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3662
3663#ifdef CONFIG_INET
3664 register_netdevice_notifier(&qlcnic_netdev_cb);
3665 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3666#endif
3667
0cf3a14c
AKS		 3668 ret = pci_register_driver(&qlcnic_driver);
3669 if (ret) {
3670#ifdef CONFIG_INET
3671 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3672 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3673#endif
3674 }
af19b491 3675
0cf3a14c 3676 return ret;
af19b491
AKS		 3677}
3678
3679module_init(qlcnic_init_module);
3680
3681static void __exit qlcnic_exit_module(void)
3682{
af19b491
AKS		 3683 pci_unregister_driver(&qlcnic_driver);
3684
3685#ifdef CONFIG_INET
3686 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3687 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3688#endif
3689}
3690
3691module_exit(qlcnic_exit_module);
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