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tg3: Update version to 3.132
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
9fd13331 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
9fd13331 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
9fd13331 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
9fd13331 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
629263ac 55int qlcnic_config_npars;
b11a25aa 56module_param(qlcnic_config_npars, int, 0444);
9fd13331 57MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled)");
2e9d722d 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
536faa61
SC		 2505 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2506 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2507 if (qlcnic_82xx_check(adapter))
2508 adapter->need_fw_reset = 1;
2509 else if (qlcnic_83xx_check(adapter))
2510 qlcnic_83xx_idc_request_reset(adapter,
2511 QLCNIC_FORCE_FW_DUMP_KEY);
2512 } else {
2513 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
79788450 2514 adapter->ahw->reset_context = 1;
536faa61 2515 }
af19b491
AKS		 2516}
2517
2518static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2519{
2520 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2521 struct net_device_stats *stats = &netdev->stats;
2522
af19b491
AKS		 2523 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2524 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2525 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2526 stats->tx_bytes = adapter->stats.txbytes;
2527 stats->rx_dropped = adapter->stats.rxdropped;
2528 stats->tx_dropped = adapter->stats.txdropped;
2529
2530 return stats;
2531}
2532
7e2cf4fe 2533irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2534{
af19b491
AKS		 2535 u32 status;
2536
2537 status = readl(adapter->isr_int_vec);
2538
79788450 2539 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2540 return IRQ_NONE;
2541
2542 /* check interrupt state machine, to be sure */
2543 status = readl(adapter->crb_int_state_reg);
2544 if (!ISR_LEGACY_INT_TRIGGERED(status))
2545 return IRQ_NONE;
2546
2547 writel(0xffffffff, adapter->tgt_status_reg);
2548 /* read twice to ensure write is flushed */
2549 readl(adapter->isr_int_vec);
2550 readl(adapter->isr_int_vec);
2551
7eb9855d
AKS		 2552 return IRQ_HANDLED;
2553}
2554
2555static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2556{
2557 struct qlcnic_host_sds_ring *sds_ring = data;
2558 struct qlcnic_adapter *adapter = sds_ring->adapter;
2559
2560 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2561 goto done;
2562 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2563 writel(0xffffffff, adapter->tgt_status_reg);
2564 goto done;
2565 }
2566
2567 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2568 return IRQ_NONE;
2569
2570done:
79788450 2571 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2572 qlcnic_enable_int(sds_ring);
2573 return IRQ_HANDLED;
2574}
2575
2576static irqreturn_t qlcnic_intr(int irq, void *data)
2577{
2578 struct qlcnic_host_sds_ring *sds_ring = data;
2579 struct qlcnic_adapter *adapter = sds_ring->adapter;
2580
2581 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2582 return IRQ_NONE;
2583
af19b491
AKS		 2584 napi_schedule(&sds_ring->napi);
2585
2586 return IRQ_HANDLED;
2587}
2588
2589static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2590{
2591 struct qlcnic_host_sds_ring *sds_ring = data;
2592 struct qlcnic_adapter *adapter = sds_ring->adapter;
2593
2594 /* clear interrupt */
2595 writel(0xffffffff, adapter->tgt_status_reg);
2596
2597 napi_schedule(&sds_ring->napi);
2598 return IRQ_HANDLED;
2599}
2600
2601static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2602{
2603 struct qlcnic_host_sds_ring *sds_ring = data;
2604
2605 napi_schedule(&sds_ring->napi);
2606 return IRQ_HANDLED;
2607}
2608
13159183
SC		 2609static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2610{
2611 struct qlcnic_host_tx_ring *tx_ring = data;
2612
2613 napi_schedule(&tx_ring->napi);
2614 return IRQ_HANDLED;
2615}
2616
af19b491
AKS		 2617#ifdef CONFIG_NET_POLL_CONTROLLER
2618static void qlcnic_poll_controller(struct net_device *netdev)
2619{
bf82791e
YL		 2620 int ring;
2621 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2622 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2623 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2624
af19b491 2625 disable_irq(adapter->irq);
bf82791e
YL		 2626 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2627 sds_ring = &recv_ctx->sds_rings[ring];
2628 qlcnic_intr(adapter->irq, sds_ring);
2629 }
af19b491
AKS		 2630 enable_irq(adapter->irq);
2631}
2632#endif
2633
6df900e9
SC		 2634static void
2635qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2636{
2637 u32 val;
2638
2639 val = adapter->portnum & 0xf;
2640 val |= encoding << 7;
2641 val |= (jiffies - adapter->dev_rst_time) << 8;
2642
a15ebd37 2643 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2644 adapter->dev_rst_time = jiffies;
2645}
2646
ade91f8e
AKS		 2647static int
2648qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2649{
2650 u32 val;
2651
2652 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2653 state != QLCNIC_DEV_NEED_QUISCENT);
2654
2655 if (qlcnic_api_lock(adapter))
ade91f8e 2656 return -EIO;
af19b491 2657
a15ebd37 2658 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2659
2660 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2661 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2662 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2663 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2664
a15ebd37 2665 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2666
2667 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2668
2669 return 0;
af19b491
AKS		 2670}
2671
1b95a839
AKS		 2672static int
2673qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2674{
2675 u32 val;
2676
2677 if (qlcnic_api_lock(adapter))
2678 return -EBUSY;
2679
a15ebd37 2680 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2681 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2682 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2683
2684 qlcnic_api_unlock(adapter);
2685
2686 return 0;
2687}
2688
af19b491 2689static void
21854f02 2690qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2691{
2692 u32 val;
2693
2694 if (qlcnic_api_lock(adapter))
2695 goto err;
2696
a15ebd37 2697 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2698 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2699 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2700
21854f02 2701 if (failed) {
a15ebd37
HM		 2702 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2703 QLCNIC_DEV_FAILED);
21854f02
AKS		 2704 dev_info(&adapter->pdev->dev,
2705 "Device state set to Failed. Please Reboot\n");
2706 } else if (!(val & 0x11111111))
a15ebd37
HM		 2707 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2708 QLCNIC_DEV_COLD);
af19b491 2709
a15ebd37 2710 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2711 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2712 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2713
2714 qlcnic_api_unlock(adapter);
2715err:
2716 adapter->fw_fail_cnt = 0;
032a13c7 2717 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2718 clear_bit(__QLCNIC_START_FW, &adapter->state);
2719 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2720}
2721
f73dfc50 2722/* Grab api lock, before checking state */
af19b491
AKS		 2723static int
2724qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2725{
602ca6f0 2726 int act, state, active_mask;
a15ebd37 2727 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2728
a15ebd37
HM		 2729 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2730 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2731
602ca6f0 2732 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2733 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2734 act = act & active_mask;
2735 }
2736
af19b491
AKS		 2737 if (((state & 0x11111111) == (act & 0x11111111)) ||
2738 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2739 return 0;
2740 else
2741 return 1;
2742}
2743
96f8118c
SC		 2744static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2745{
a15ebd37 2746 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2747
2748 if (val != QLCNIC_DRV_IDC_VER) {
2749 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2750 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2751 }
2752
2753 return 0;
2754}
2755
af19b491
AKS		 2756static int
2757qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2758{
2759 u32 val, prev_state;
aa5e18c0 2760 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2761 u8 portnum = adapter->portnum;
96f8118c 2762 u8 ret;
af19b491 2763
f73dfc50
AKS		 2764 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2765 return 1;
2766
af19b491
AKS		 2767 if (qlcnic_api_lock(adapter))
2768 return -1;
2769
a15ebd37 2770 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2771 if (!(val & (1 << (portnum * 4)))) {
2772 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2773 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2774 }
2775
a15ebd37 2776 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2777 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2778
2779 switch (prev_state) {
2780 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2781 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2782 QLCNIC_DEV_INITIALIZING);
2783 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2784 QLCNIC_DRV_IDC_VER);
6df900e9 2785 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2786 qlcnic_api_unlock(adapter);
2787 return 1;
2788
2789 case QLCNIC_DEV_READY:
96f8118c 2790 ret = qlcnic_check_idc_ver(adapter);
af19b491 2791 qlcnic_api_unlock(adapter);
96f8118c 2792 return ret;
af19b491
AKS		 2793
2794 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2795 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2796 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2797 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2798 break;
2799
2800 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2801 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2802 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2803 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2804 break;
2805
2806 case QLCNIC_DEV_FAILED:
a7fc948f 2807 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2808 qlcnic_api_unlock(adapter);
2809 return -1;
bbd8c6a4
AKS		 2810
2811 case QLCNIC_DEV_INITIALIZING:
2812 case QLCNIC_DEV_QUISCENT:
2813 break;
af19b491
AKS		 2814 }
2815
2816 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2817
2818 do {
af19b491 2819 msleep(1000);
a15ebd37 2820 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2821
2822 if (prev_state == QLCNIC_DEV_QUISCENT)
2823 continue;
2824 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2825
65b5b420
AKS		 2826 if (!dev_init_timeo) {
2827 dev_err(&adapter->pdev->dev,
2828 "Waiting for device to initialize timeout\n");
af19b491 2829 return -1;
65b5b420 2830 }
af19b491
AKS		 2831
2832 if (qlcnic_api_lock(adapter))
2833 return -1;
2834
a15ebd37 2835 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2836 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2837 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2838
96f8118c 2839 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2840 qlcnic_api_unlock(adapter);
2841
96f8118c 2842 return ret;
af19b491
AKS		 2843}
2844
2845static void
2846qlcnic_fwinit_work(struct work_struct *work)
2847{
2848 struct qlcnic_adapter *adapter = container_of(work,
2849 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2850 u32 dev_state = 0xf;
7b749ff4 2851 u32 val;
af19b491 2852
f73dfc50
AKS		 2853 if (qlcnic_api_lock(adapter))
2854 goto err_ret;
af19b491 2855
a15ebd37 2856 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2857 if (dev_state == QLCNIC_DEV_QUISCENT ||
2858 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2859 qlcnic_api_unlock(adapter);
2860 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2861 FW_POLL_DELAY * 2);
2862 return;
2863 }
2864
79788450 2865 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2866 qlcnic_api_unlock(adapter);
2867 goto wait_npar;
9f26f547
AC		 2868 }
2869
16e3cf73
SV		 2870 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2871 dev_state == QLCNIC_DEV_READY) {
2872 dev_info(&adapter->pdev->dev, "Detected state change from "
2873 "DEV_NEED_RESET, skipping ack check\n");
2874 goto skip_ack_check;
2875 }
2876
f73dfc50 2877 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2878 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2879 adapter->reset_ack_timeo);
2880 goto skip_ack_check;
2881 }
2882
2883 if (!qlcnic_check_drv_state(adapter)) {
2884skip_ack_check:
a15ebd37 2885 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2886
f73dfc50 2887 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2888 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2889 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2890 set_bit(__QLCNIC_START_FW, &adapter->state);
2891 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2892 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2893 val = QLC_SHARED_REG_RD32(adapter,
2894 QLCNIC_CRB_DRV_STATE);
7b749ff4 2895 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2896 QLC_SHARED_REG_WR32(adapter,
2897 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2898 }
2899
f73dfc50
AKS		 2900 qlcnic_api_unlock(adapter);
2901
287e38aa 2902 rtnl_lock();
7b749ff4
SV		 2903 if (adapter->ahw->fw_dump.enable &&
2904 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2905 QLCDB(adapter, DRV, "Take FW dump\n");
2906 qlcnic_dump_fw(adapter);
032a13c7 2907 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2908 }
287e38aa 2909 rtnl_unlock();
7b749ff4
SV		 2910
2911 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2912 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2913 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2914 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2915 return;
2916 }
af19b491
AKS		 2917 goto err_ret;
2918 }
2919
f73dfc50 2920 qlcnic_api_unlock(adapter);
aa5e18c0 2921
9f26f547 2922wait_npar:
a15ebd37 2923 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2924 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2925
af19b491 2926 switch (dev_state) {
3c4b23b1 2927 case QLCNIC_DEV_READY:
7e2cf4fe 2928 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2929 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2930 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2931 return;
2932 }
3c4b23b1
AKS		 2933 case QLCNIC_DEV_FAILED:
2934 break;
2935 default:
2936 qlcnic_schedule_work(adapter,
2937 qlcnic_fwinit_work, FW_POLL_DELAY);
2938 return;
af19b491
AKS		 2939 }
2940
2941err_ret:
f73dfc50
AKS		 2942 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2943 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2944 netif_device_attach(adapter->netdev);
21854f02 2945 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2946}
2947
2948static void
2949qlcnic_detach_work(struct work_struct *work)
2950{
2951 struct qlcnic_adapter *adapter = container_of(work,
2952 struct qlcnic_adapter, fw_work.work);
2953 struct net_device *netdev = adapter->netdev;
2954 u32 status;
2955
2956 netif_device_detach(netdev);
2957
b8c17620
AKS		 2958 /* Dont grab rtnl lock during Quiscent mode */
2959 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2960 if (netif_running(netdev))
2961 __qlcnic_down(adapter, netdev);
2962 } else
2963 qlcnic_down(adapter, netdev);
af19b491 2964
a15ebd37 2965 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2966
44f65b29
SC		 2967 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2968 dev_err(&adapter->pdev->dev,
2969 "Detaching the device: peg halt status1=0x%x\n",
2970 status);
2971
2972 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2973 dev_err(&adapter->pdev->dev,
2974 "On board active cooling fan failed. "
2975 "Device has been halted.\n");
2976 dev_err(&adapter->pdev->dev,
2977 "Replace the adapter.\n");
2978 }
2979
af19b491 2980 goto err_ret;
44f65b29 2981 }
af19b491 2982
79788450 2983 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2984 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2985 adapter->ahw->temp);
af19b491 2986 goto err_ret;
44f65b29
SC		 2987 }
2988
602ca6f0
SV		 2989 /* Dont ack if this instance is the reset owner */
2990 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2991 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2992 dev_err(&adapter->pdev->dev,
2993 "Failed to set driver state,"
2994 "detaching the device.\n");
602ca6f0 2995 goto err_ret;
44f65b29 2996 }
602ca6f0 2997 }
af19b491
AKS		 2998
2999 adapter->fw_wait_cnt = 0;
3000
3001 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3002
3003 return;
3004
3005err_ret:
34ce3626 3006 netif_device_attach(netdev);
21854f02 3007 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3008}
3009
3c4b23b1
AKS		 3010/*Transit NPAR state to NON Operational */
3011static void
3012qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3013{
3014 u32 state;
3015
a15ebd37 3016 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3017 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3018 return;
3019
3020 if (qlcnic_api_lock(adapter))
3021 return;
a15ebd37
HM		 3022 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3023 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3024 qlcnic_api_unlock(adapter);
3025}
3026
7e2cf4fe 3027void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 3028{
646779f1
SV		 3029 u32 state, xg_val = 0, gb_val = 0;
3030
3031 qlcnic_xg_set_xg0_mask(xg_val);
3032 qlcnic_xg_set_xg1_mask(xg_val);
3033 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3034 qlcnic_gb_set_gb0_mask(gb_val);
3035 qlcnic_gb_set_gb1_mask(gb_val);
3036 qlcnic_gb_set_gb2_mask(gb_val);
3037 qlcnic_gb_set_gb3_mask(gb_val);
3038 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3039 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3040 " on all ports\n");
cea8975e 3041 adapter->need_fw_reset = 1;
13159183 3042
af19b491
AKS		 3043 if (qlcnic_api_lock(adapter))
3044 return;
3045
13159183 3046 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 3047
f73dfc50 3048 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3049 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3050 QLCNIC_DEV_NEED_RESET);
602ca6f0 3051 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3052 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3053 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3054 }
3055
13159183
SC		 3056 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3057 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3058 qlcnic_api_unlock(adapter);
3059}
3060
9f26f547
AC		 3061/* Transit to NPAR READY state from NPAR NOT READY state */
3062static void
3063qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3064{
9f26f547
AC		 3065 if (qlcnic_api_lock(adapter))
3066 return;
3067
a15ebd37
HM		 3068 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3069 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3070 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3071
3072 qlcnic_api_unlock(adapter);
3073}
3074
13159183
SC		 3075void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3076 work_func_t func, int delay)
af19b491 3077{
451724c8
SC		 3078 if (test_bit(__QLCNIC_AER, &adapter->state))
3079 return;
3080
af19b491 3081 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3082 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3083 round_jiffies_relative(delay));
af19b491
AKS		 3084}
3085
3086static void
3087qlcnic_attach_work(struct work_struct *work)
3088{
3089 struct qlcnic_adapter *adapter = container_of(work,
3090 struct qlcnic_adapter, fw_work.work);
3091 struct net_device *netdev = adapter->netdev;
b18971d1 3092 u32 npar_state;
af19b491 3093
79788450 3094 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3095 npar_state = QLC_SHARED_REG_RD32(adapter,
3096 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3097 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3098 qlcnic_clr_all_drv_state(adapter, 0);
3099 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3100 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3101 FW_POLL_DELAY);
3102 else
3103 goto attach;
3104 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3105 return;
3106 }
3107attach:
af19b491 3108 if (netif_running(netdev)) {
52486a3a 3109 if (qlcnic_up(adapter, netdev))
af19b491 3110 goto done;
af19b491 3111
aec1e845 3112 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3113 }
3114
af19b491 3115done:
34ce3626 3116 netif_device_attach(netdev);
af19b491 3117 adapter->fw_fail_cnt = 0;
032a13c7 3118 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3119 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 3120
3121 if (!qlcnic_clr_drv_state(adapter))
3122 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3123 FW_POLL_DELAY);
af19b491
AKS		 3124}
3125
3126static int
3127qlcnic_check_health(struct qlcnic_adapter *adapter)
3128{
4e70812b 3129 u32 state = 0, heartbeat;
853d4bca 3130 u32 peg_status;
af19b491
AKS		 3131
3132 if (qlcnic_check_temp(adapter))
3133 goto detach;
3134
2372a5f1 3135 if (adapter->need_fw_reset)
7e2cf4fe 3136 qlcnic_dev_request_reset(adapter, 0);
af19b491 3137
a15ebd37 3138 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3139 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3140 qlcnic_set_npar_non_operational(adapter);
af19b491 3141 adapter->need_fw_reset = 1;
b8c17620
AKS		 3142 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3143 goto detach;
af19b491 3144
a15ebd37 3145 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3146 if (heartbeat != adapter->heartbeat) {
3147 adapter->heartbeat = heartbeat;
af19b491
AKS		 3148 adapter->fw_fail_cnt = 0;
3149 if (adapter->need_fw_reset)
3150 goto detach;
68bf1c68 3151
099f7aa7 3152 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 3153 qlcnic_reset_hw_context(adapter);
3154 adapter->netdev->trans_start = jiffies;
3155 }
3156
af19b491
AKS		 3157 return 0;
3158 }
3159
3160 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3161 return 0;
3162
032a13c7
SV		 3163 adapter->flags |= QLCNIC_FW_HANG;
3164
7e2cf4fe 3165 qlcnic_dev_request_reset(adapter, 0);
af19b491 3166
099f7aa7 3167 if (qlcnic_auto_fw_reset)
0df170b6 3168 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3169
853d4bca 3170 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3171 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3172 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3173 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3174 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3175 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3176 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3177 peg_status,
3178 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 3179 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3180 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3181 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3182 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3183 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 3184 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3185 dev_err(&adapter->pdev->dev,
3186 "Firmware aborted with error code 0x00006700. "
3187 "Device is being reset.\n");
af19b491
AKS		 3188detach:
3189 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3190 QLCNIC_DEV_NEED_RESET;
3191
099f7aa7
SC		 3192 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3193 &adapter->state)) {
65b5b420 3194
af19b491 3195 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3196 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3197 }
af19b491
AKS		 3198
3199 return 1;
3200}
3201
3202static void
3203qlcnic_fw_poll_work(struct work_struct *work)
3204{
3205 struct qlcnic_adapter *adapter = container_of(work,
3206 struct qlcnic_adapter, fw_work.work);
3207
3208 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3209 goto reschedule;
3210
3211
3212 if (qlcnic_check_health(adapter))
3213 return;
3214
b5e5492c
AKS		 3215 if (adapter->fhash.fnum)
3216 qlcnic_prune_lb_filters(adapter);
3217
af19b491
AKS		 3218reschedule:
3219 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3220}
3221
451724c8
SC		 3222static int qlcnic_is_first_func(struct pci_dev *pdev)
3223{
3224 struct pci_dev *oth_pdev;
3225 int val = pdev->devfn;
3226
3227 while (val-- > 0) {
3228 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3229 (pdev->bus), pdev->bus->number,
3230 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3231 if (!oth_pdev)
3232 continue;
451724c8 3233
bfc978fa
AKS		 3234 if (oth_pdev->current_state != PCI_D3cold) {
3235 pci_dev_put(oth_pdev);
451724c8 3236 return 0;
bfc978fa
AKS		 3237 }
3238 pci_dev_put(oth_pdev);
451724c8
SC		 3239 }
3240 return 1;
3241}
3242
3243static int qlcnic_attach_func(struct pci_dev *pdev)
3244{
3245 int err, first_func;
3246 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3247 struct net_device *netdev = adapter->netdev;
3248
3249 pdev->error_state = pci_channel_io_normal;
3250
3251 err = pci_enable_device(pdev);
3252 if (err)
3253 return err;
3254
3255 pci_set_power_state(pdev, PCI_D0);
3256 pci_set_master(pdev);
3257 pci_restore_state(pdev);
3258
3259 first_func = qlcnic_is_first_func(pdev);
3260
3261 if (qlcnic_api_lock(adapter))
3262 return -EINVAL;
3263
79788450 3264 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3265 adapter->need_fw_reset = 1;
3266 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3267 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3268 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3269 QLCDB(adapter, DRV, "Restarting fw\n");
3270 }
3271 qlcnic_api_unlock(adapter);
3272
13159183 3273 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3274 if (err)
3275 return err;
3276
3277 qlcnic_clr_drv_state(adapter);
13159183
SC		 3278 kfree(adapter->msix_entries);
3279 adapter->msix_entries = NULL;
3280 err = qlcnic_setup_intr(adapter, 0);
3281
9a97e705
M		 3282 if (err) {
3283 kfree(adapter->msix_entries);
3284 netdev_err(netdev, "failed to setup interrupt\n");
3285 return err;
3286 }
3287
13159183 3288 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3289 /* register for NIC IDC AEN Events */
3290 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3291 err = qlcnic_83xx_setup_mbx_intr(adapter);
3292 if (err) {
3293 dev_err(&adapter->pdev->dev,
3294 "failed to setup mbx interrupt\n");
3295 qlcnic_clr_all_drv_state(adapter, 1);
3296 clear_bit(__QLCNIC_AER, &adapter->state);
3297 goto done;
3298 }
3299 }
451724c8
SC		 3300
3301 if (netif_running(netdev)) {
3302 err = qlcnic_attach(adapter);
3303 if (err) {
21854f02 3304 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3305 clear_bit(__QLCNIC_AER, &adapter->state);
3306 netif_device_attach(netdev);
3307 return err;
3308 }
3309
3310 err = qlcnic_up(adapter, netdev);
3311 if (err)
3312 goto done;
3313
aec1e845 3314 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3315 }
3316 done:
3317 netif_device_attach(netdev);
3318 return err;
3319}
3320
3321static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3322 pci_channel_state_t state)
3323{
3324 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3325 struct net_device *netdev = adapter->netdev;
3326
3327 if (state == pci_channel_io_perm_failure)
3328 return PCI_ERS_RESULT_DISCONNECT;
3329
3330 if (state == pci_channel_io_normal)
3331 return PCI_ERS_RESULT_RECOVERED;
3332
3333 set_bit(__QLCNIC_AER, &adapter->state);
3334 netif_device_detach(netdev);
3335
3336 cancel_delayed_work_sync(&adapter->fw_work);
3337
3338 if (netif_running(netdev))
3339 qlcnic_down(adapter, netdev);
3340
13159183 3341 if (qlcnic_83xx_check(adapter)) {
13159183 3342 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3343 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3344 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3345 }
3346
451724c8
SC		 3347 qlcnic_detach(adapter);
3348 qlcnic_teardown_intr(adapter);
3349
3350 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3351
3352 pci_save_state(pdev);
3353 pci_disable_device(pdev);
3354
3355 return PCI_ERS_RESULT_NEED_RESET;
3356}
3357
3358static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3359{
3360 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3361 PCI_ERS_RESULT_RECOVERED;
3362}
3363
3364static void qlcnic_io_resume(struct pci_dev *pdev)
3365{
a15ebd37 3366 u32 state;
451724c8
SC		 3367 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3368
3369 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3370 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3371 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3372 &adapter->state))
451724c8
SC		 3373 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3374 FW_POLL_DELAY);
3375}
3376
87eb743b
AC		 3377static int
3378qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3379{
3380 int err;
3381
3382 err = qlcnic_can_start_firmware(adapter);
3383 if (err)
3384 return err;
3385
78f84e1a
AKS		 3386 err = qlcnic_check_npar_opertional(adapter);
3387 if (err)
3388 return err;
3c4b23b1 3389
174240a8
RB		 3390 err = qlcnic_initialize_nic(adapter);
3391 if (err)
3392 return err;
3393
87eb743b
AC		 3394 qlcnic_check_options(adapter);
3395
7373373d
RB		 3396 err = qlcnic_set_eswitch_port_config(adapter);
3397 if (err)
3398 return err;
3399
87eb743b
AC		 3400 adapter->need_fw_reset = 0;
3401
3402 return err;
3403}
3404
6389b76d
MC		 3405int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3406 __u32 val)
f94bc1e7 3407{
6389b76d
MC		 3408 struct net_device *netdev = adapter->netdev;
3409 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3410 u32 max_allowed;
3411
6389b76d
MC		 3412 if (val > QLC_MAX_SDS_RINGS) {
3413 netdev_err(netdev, "RSS value should not be higher than %u\n",
3414 QLC_MAX_SDS_RINGS);
3415 return -EINVAL;
f94bc1e7
SC		 3416 }
3417
319ecf12
SC		 3418 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3419 num_online_cpus()));
3420 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3421 if (!is_power_of_2(val))
3422 netdev_err(netdev, "RSS value should be a power of 2\n");
3423
3424 if (val < 2)
3425 netdev_err(netdev, "RSS value should not be lower than 2\n");
3426
3427 if (val > max_hw)
3428 netdev_err(netdev,
3429 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3430 max_hw);
3431
3432 if (val > num_online_cpus())
3433 netdev_err(netdev,
3434 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3435 num_online_cpus());
3436
3437 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3438
f94bc1e7
SC		 3439 return -EINVAL;
3440 }
3441 return 0;
f94bc1e7
SC		 3442}
3443
319ecf12 3444int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3445{
13159183 3446 int err;
f94bc1e7 3447 struct net_device *netdev = adapter->netdev;
f94bc1e7 3448
319ecf12
SC		 3449 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3450 return -EBUSY;
3451
f94bc1e7
SC		 3452 netif_device_detach(netdev);
3453 if (netif_running(netdev))
3454 __qlcnic_down(adapter, netdev);
13159183 3455
7dd90cf1
SC		 3456 qlcnic_detach(adapter);
3457
7ed3ce48 3458 if (qlcnic_83xx_check(adapter)) {
13159183 3459 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3460 qlcnic_83xx_enable_mbx_poll(adapter);
3461 }
13159183 3462
f94bc1e7 3463 qlcnic_teardown_intr(adapter);
319ecf12 3464 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3465 if (err) {
3466 kfree(adapter->msix_entries);
3467 netdev_err(netdev, "failed to setup interrupt\n");
3468 return err;
3469 }
f94bc1e7 3470
13159183 3471 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3472 /* register for NIC IDC AEN Events */
3473 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3474 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3475 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3476 if (err) {
3477 dev_err(&adapter->pdev->dev,
3478 "failed to setup mbx interrupt\n");
3479 goto done;
3480 }
f94bc1e7
SC		 3481 }
3482
3483 if (netif_running(netdev)) {
3484 err = qlcnic_attach(adapter);
3485 if (err)
3486 goto done;
3487 err = __qlcnic_up(adapter, netdev);
3488 if (err)
3489 goto done;
3490 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3491 }
319ecf12 3492 err = len;
f94bc1e7
SC		 3493 done:
3494 netif_device_attach(netdev);
3495 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3496 return err;
3497}
3498
af19b491
AKS		 3499#ifdef CONFIG_INET
3500
3501#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3502
af19b491 3503static void
aec1e845
AKS		 3504qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3505 struct net_device *dev, unsigned long event)
af19b491
AKS		 3506{
3507 struct in_device *indev;
af19b491 3508
af19b491
AKS		 3509 indev = in_dev_get(dev);
3510 if (!indev)
3511 return;
3512
3513 for_ifa(indev) {
3514 switch (event) {
3515 case NETDEV_UP:
3516 qlcnic_config_ipaddr(adapter,
3517 ifa->ifa_address, QLCNIC_IP_UP);
3518 break;
3519 case NETDEV_DOWN:
3520 qlcnic_config_ipaddr(adapter,
3521 ifa->ifa_address, QLCNIC_IP_DOWN);
3522 break;
3523 default:
3524 break;
3525 }
3526 } endfor_ifa(indev);
3527
3528 in_dev_put(indev);
af19b491
AKS		 3529}
3530
319ecf12 3531void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3532{
3533 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3534 struct net_device *dev;
3535 u16 vid;
3536
3537 qlcnic_config_indev_addr(adapter, netdev, event);
3538
43c00a75 3539 rcu_read_lock();
b9796a14 3540 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3541 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3542 if (!dev)
3543 continue;
aec1e845
AKS		 3544 qlcnic_config_indev_addr(adapter, dev, event);
3545 }
43c00a75 3546 rcu_read_unlock();
aec1e845
AKS		 3547}
3548
af19b491
AKS		 3549static int qlcnic_netdev_event(struct notifier_block *this,
3550 unsigned long event, void *ptr)
3551{
3552 struct qlcnic_adapter *adapter;
3553 struct net_device *dev = (struct net_device *)ptr;
3554
3555recheck:
3556 if (dev == NULL)
3557 goto done;
3558
3559 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3560 dev = vlan_dev_real_dev(dev);
3561 goto recheck;
3562 }
3563
3564 if (!is_qlcnic_netdev(dev))
3565 goto done;
3566
3567 adapter = netdev_priv(dev);
3568
3569 if (!adapter)
3570 goto done;
3571
8a15ad1f 3572 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3573 goto done;
3574
aec1e845 3575 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3576done:
3577 return NOTIFY_DONE;
3578}
3579
3580static int
3581qlcnic_inetaddr_event(struct notifier_block *this,
3582 unsigned long event, void *ptr)
3583{
3584 struct qlcnic_adapter *adapter;
3585 struct net_device *dev;
3586
3587 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3588
3589 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3590
3591recheck:
aec1e845 3592 if (dev == NULL)
af19b491
AKS		 3593 goto done;
3594
3595 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3596 dev = vlan_dev_real_dev(dev);
3597 goto recheck;
3598 }
3599
3600 if (!is_qlcnic_netdev(dev))
3601 goto done;
3602
3603 adapter = netdev_priv(dev);
3604
251a84c9 3605 if (!adapter)
af19b491
AKS		 3606 goto done;
3607
8a15ad1f 3608 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3609 goto done;
3610
3611 switch (event) {
3612 case NETDEV_UP:
3613 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3614
af19b491
AKS		 3615 break;
3616 case NETDEV_DOWN:
3617 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3618
af19b491
AKS		 3619 break;
3620 default:
3621 break;
3622 }
3623
3624done:
3625 return NOTIFY_DONE;
3626}
3627
3628static struct notifier_block qlcnic_netdev_cb = {
3629 .notifier_call = qlcnic_netdev_event,
3630};
3631
3632static struct notifier_block qlcnic_inetaddr_cb = {
3633 .notifier_call = qlcnic_inetaddr_event,
3634};
3635#else
f8ca2b6f 3636void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3637{ }
3638#endif
fec9dd15 3639static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3640 .error_detected = qlcnic_io_error_detected,
3641 .slot_reset = qlcnic_io_slot_reset,
3642 .resume = qlcnic_io_resume,
3643};
af19b491
AKS		 3644
3645static struct pci_driver qlcnic_driver = {
3646 .name = qlcnic_driver_name,
3647 .id_table = qlcnic_pci_tbl,
3648 .probe = qlcnic_probe,
6bb58bb0 3649 .remove = qlcnic_remove,
af19b491
AKS		 3650#ifdef CONFIG_PM
3651 .suspend = qlcnic_suspend,
3652 .resume = qlcnic_resume,
3653#endif
451724c8 3654 .shutdown = qlcnic_shutdown,
02feda17
RB		 3655 .err_handler = &qlcnic_err_handler,
3656#ifdef CONFIG_QLCNIC_SRIOV
3657 .sriov_configure = qlcnic_pci_sriov_configure,
3658#endif
451724c8 3659
af19b491
AKS		 3660};
3661
3662static int __init qlcnic_init_module(void)
3663{
0cf3a14c 3664 int ret;
af19b491
AKS		 3665
3666 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3667
3668#ifdef CONFIG_INET
3669 register_netdevice_notifier(&qlcnic_netdev_cb);
3670 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3671#endif
3672
0cf3a14c
AKS		 3673 ret = pci_register_driver(&qlcnic_driver);
3674 if (ret) {
3675#ifdef CONFIG_INET
3676 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3677 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3678#endif
3679 }
af19b491 3680
0cf3a14c 3681 return ret;
af19b491
AKS		 3682}
3683
3684module_init(qlcnic_init_module);
3685
3686static void __exit qlcnic_exit_module(void)
3687{
af19b491
AKS		 3688 pci_unregister_driver(&qlcnic_driver);
3689
3690#ifdef CONFIG_INET
3691 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3692 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3693#endif
3694}
3695
3696module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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