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net: pass info struct via netdevice notifier
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
9fd13331 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
9fd13331 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
9fd13331 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
9fd13331 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
1dd06ae8 55static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 56static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 57static int qlcnic_open(struct net_device *netdev);
58static int qlcnic_close(struct net_device *netdev);
af19b491 59static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 60static void qlcnic_attach_work(struct work_struct *work);
61static void qlcnic_fwinit_work(struct work_struct *work);
62static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 63#ifdef CONFIG_NET_POLL_CONTROLLER
64static void qlcnic_poll_controller(struct net_device *netdev);
65#endif
66
6df900e9 67static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 68static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 69static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
70
7eb9855d 71static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 72static irqreturn_t qlcnic_intr(int irq, void *data);
73static irqreturn_t qlcnic_msi_intr(int irq, void *data);
74static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 75static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 76
77static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 78static int qlcnic_start_firmware(struct qlcnic_adapter *);
79
b5e5492c 80static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 81static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 82static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 83static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
84static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 85
13159183
SC		 86static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
87{
88 struct qlcnic_hardware_context *ahw = adapter->ahw;
89
90 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
91 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
92 else
93 return 1;
94}
95
af19b491
AKS		 96/* PCI Device ID Table */
97#define ENTRY(device) \
98 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
99 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
100
6a902881 101static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 102 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 103 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 104 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
af19b491
AKS		 105 {0,}
106};
107
108MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
109
110
5ad6ff9d 111inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 112{
113 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 114}
115
116static const u32 msi_tgt_status[8] = {
117 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
118 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
119 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
120 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
121};
122
7e2cf4fe
SC		 123static const u32 qlcnic_reg_tbl[] = {
124 0x1B20A8, /* PEG_HALT_STAT1 */
125 0x1B20AC, /* PEG_HALT_STAT2 */
126 0x1B20B0, /* FW_HEARTBEAT */
127 0x1B2100, /* LOCK ID */
128 0x1B2128, /* FW_CAPABILITIES */
129 0x1B2138, /* drv active */
130 0x1B2140, /* dev state */
131 0x1B2144, /* drv state */
132 0x1B2148, /* drv scratch */
133 0x1B214C, /* dev partition info */
134 0x1B2174, /* drv idc ver */
135 0x1B2150, /* fw version major */
136 0x1B2154, /* fw version minor */
137 0x1B2158, /* fw version sub */
138 0x1B219C, /* npar state */
139 0x1B21FC, /* FW_IMG_VALID */
140 0x1B2250, /* CMD_PEG_STATE */
141 0x1B233C, /* RCV_PEG_STATE */
142 0x1B23B4, /* ASIC TEMP */
143 0x1B216C, /* FW api */
144 0x1B2170, /* drv op mode */
145 0x13C010, /* flash lock */
146 0x13C014, /* flash unlock */
147};
148
22999798 149static const struct qlcnic_board_info qlcnic_boards[] = {
e386cd4a
HM		 150 { PCI_VENDOR_ID_QLOGIC,
151 PCI_DEVICE_ID_QLOGIC_QLE834X,
152 PCI_VENDOR_ID_QLOGIC,
153 0x24e,
154 "8300 Series Dual Port 10GbE Converged Network Adapter "
155 "(TCP/IP Networking)" },
156 { PCI_VENDOR_ID_QLOGIC,
157 PCI_DEVICE_ID_QLOGIC_QLE834X,
158 PCI_VENDOR_ID_QLOGIC,
159 0x243,
160 "8300 Series Single Port 10GbE Converged Network Adapter "
161 "(TCP/IP Networking)" },
162 { PCI_VENDOR_ID_QLOGIC,
163 PCI_DEVICE_ID_QLOGIC_QLE834X,
164 PCI_VENDOR_ID_QLOGIC,
165 0x24a,
166 "8300 Series Dual Port 10GbE Converged Network Adapter "
167 "(TCP/IP Networking)" },
168 { PCI_VENDOR_ID_QLOGIC,
169 PCI_DEVICE_ID_QLOGIC_QLE834X,
170 PCI_VENDOR_ID_QLOGIC,
171 0x246,
172 "8300 Series Dual Port 10GbE Converged Network Adapter "
173 "(TCP/IP Networking)" },
174 { PCI_VENDOR_ID_QLOGIC,
175 PCI_DEVICE_ID_QLOGIC_QLE834X,
176 PCI_VENDOR_ID_QLOGIC,
177 0x252,
178 "8300 Series Dual Port 10GbE Converged Network Adapter "
179 "(TCP/IP Networking)" },
180 { PCI_VENDOR_ID_QLOGIC,
181 PCI_DEVICE_ID_QLOGIC_QLE834X,
182 PCI_VENDOR_ID_QLOGIC,
183 0x26e,
184 "8300 Series Dual Port 10GbE Converged Network Adapter "
185 "(TCP/IP Networking)" },
186 { PCI_VENDOR_ID_QLOGIC,
187 PCI_DEVICE_ID_QLOGIC_QLE834X,
188 PCI_VENDOR_ID_QLOGIC,
189 0x260,
190 "8300 Series Dual Port 10GbE Converged Network Adapter "
191 "(TCP/IP Networking)" },
192 { PCI_VENDOR_ID_QLOGIC,
193 PCI_DEVICE_ID_QLOGIC_QLE834X,
194 PCI_VENDOR_ID_QLOGIC,
195 0x266,
196 "8300 Series Single Port 10GbE Converged Network Adapter "
197 "(TCP/IP Networking)" },
198 { PCI_VENDOR_ID_QLOGIC,
199 PCI_DEVICE_ID_QLOGIC_QLE834X,
200 PCI_VENDOR_ID_QLOGIC,
201 0x269,
202 "8300 Series Dual Port 10GbE Converged Network Adapter "
203 "(TCP/IP Networking)" },
204 { PCI_VENDOR_ID_QLOGIC,
205 PCI_DEVICE_ID_QLOGIC_QLE834X,
206 PCI_VENDOR_ID_QLOGIC,
207 0x271,
208 "8300 Series Dual Port 10GbE Converged Network Adapter "
209 "(TCP/IP Networking)" },
210 { PCI_VENDOR_ID_QLOGIC,
211 PCI_DEVICE_ID_QLOGIC_QLE834X,
212 0x0, 0x0, "8300 Series 1/10GbE Controller" },
213 { PCI_VENDOR_ID_QLOGIC,
214 PCI_DEVICE_ID_QLOGIC_QLE824X,
215 PCI_VENDOR_ID_QLOGIC,
216 0x203,
217 "8200 Series Single Port 10GbE Converged Network Adapter"
218 "(TCP/IP Networking)" },
219 { PCI_VENDOR_ID_QLOGIC,
220 PCI_DEVICE_ID_QLOGIC_QLE824X,
221 PCI_VENDOR_ID_QLOGIC,
222 0x207,
223 "8200 Series Dual Port 10GbE Converged Network Adapter"
224 "(TCP/IP Networking)" },
225 { PCI_VENDOR_ID_QLOGIC,
226 PCI_DEVICE_ID_QLOGIC_QLE824X,
227 PCI_VENDOR_ID_QLOGIC,
228 0x20b,
229 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
233 0x20c,
234 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
235 { PCI_VENDOR_ID_QLOGIC,
236 PCI_DEVICE_ID_QLOGIC_QLE824X,
237 PCI_VENDOR_ID_QLOGIC,
238 0x20f,
239 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 0x103c, 0x3733,
243 "NC523SFP 10Gb 2-port Server Adapter" },
244 { PCI_VENDOR_ID_QLOGIC,
245 PCI_DEVICE_ID_QLOGIC_QLE824X,
246 0x103c, 0x3346,
247 "CN1000Q Dual Port Converged Network Adapter" },
248 { PCI_VENDOR_ID_QLOGIC,
249 PCI_DEVICE_ID_QLOGIC_QLE824X,
250 PCI_VENDOR_ID_QLOGIC,
251 0x210,
252 "QME8242-k 10GbE Dual Port Mezzanine Card" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 256};
257
258#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 259#define QLC_MAX_SDS_RINGS 8
22999798 260
af19b491
AKS		 261static const
262struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
263
c70001a9 264int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 265{
266 int size = sizeof(struct qlcnic_host_sds_ring) * count;
267
268 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
269
807540ba 270 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 271}
272
c70001a9 273void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 274{
275 if (recv_ctx->sds_rings != NULL)
276 kfree(recv_ctx->sds_rings);
277
278 recv_ctx->sds_rings = NULL;
279}
280
f8468331 281int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 282{
2e9d722d 283 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 284 struct net_device *netdev = adapter->netdev;
285 struct pci_dev *pdev = adapter->pdev;
286
da48e6c3 287 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 288 return -EIO;
289
2e9d722d 290 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 291 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
292
293 /* set station address */
294
aaeb6cdf 295 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 296 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
297 netdev->dev_addr);
298
299 return 0;
300}
301
cffe52f3
MC		 302static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
303{
304 struct qlcnic_mac_list_s *cur;
305 struct list_head *head;
306
307 list_for_each(head, &adapter->mac_list) {
308 cur = list_entry(head, struct qlcnic_mac_list_s, list);
309 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
310 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
311 0, QLCNIC_MAC_DEL);
312 list_del(&cur->list);
313 kfree(cur);
314 return;
315 }
316 }
317}
318
af19b491
AKS		 319static int qlcnic_set_mac(struct net_device *netdev, void *p)
320{
321 struct qlcnic_adapter *adapter = netdev_priv(netdev);
322 struct sockaddr *addr = p;
323
7cb03b23
RB		 324 if (qlcnic_sriov_vf_check(adapter))
325 return -EINVAL;
326
7373373d
RB		 327 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
328 return -EOPNOTSUPP;
329
af19b491 330 if (!is_valid_ether_addr(addr->sa_data))
13159183 331 return -EINVAL;
af19b491 332
cffe52f3
MC		 333 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
334 return 0;
335
8a15ad1f 336 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 337 netif_device_detach(netdev);
338 qlcnic_napi_disable(adapter);
339 }
340
cffe52f3 341 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 342 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
343 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
344 qlcnic_set_multi(adapter->netdev);
345
8a15ad1f 346 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 347 netif_device_attach(netdev);
348 qlcnic_napi_enable(adapter);
349 }
350 return 0;
351}
352
1690be63
VY		 353static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
354 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 355{
356 struct qlcnic_adapter *adapter = netdev_priv(netdev);
357 int err = -EOPNOTSUPP;
358
3e5c112f
VY		 359 if (!adapter->fdb_mac_learn)
360 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 361
362 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
363 if (is_unicast_ether_addr(addr))
364 err = qlcnic_nic_del_mac(adapter, addr);
365 else if (is_multicast_ether_addr(addr))
366 err = dev_mc_del(netdev, addr);
367 else
368 err = -EINVAL;
369 }
370 return err;
371}
372
373static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
374 struct net_device *netdev,
375 const unsigned char *addr, u16 flags)
376{
377 struct qlcnic_adapter *adapter = netdev_priv(netdev);
378 int err = 0;
379
3e5c112f
VY		 380 if (!adapter->fdb_mac_learn)
381 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 382
383 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
384 pr_info("%s: FDB e-switch is not enabled\n", __func__);
385 return -EOPNOTSUPP;
386 }
387
388 if (ether_addr_equal(addr, adapter->mac_addr))
389 return err;
390
391 if (is_unicast_ether_addr(addr))
91b7282b 392 err = qlcnic_nic_add_mac(adapter, addr, 0);
fe1adc6b
JK		 393 else if (is_multicast_ether_addr(addr))
394 err = dev_mc_add_excl(netdev, addr);
395 else
396 err = -EINVAL;
397
398 return err;
399}
400
401static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
402 struct net_device *netdev, int idx)
403{
404 struct qlcnic_adapter *adapter = netdev_priv(netdev);
405
3e5c112f
VY		 406 if (!adapter->fdb_mac_learn)
407 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 408
409 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
410 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
411
412 return idx;
413}
414
7e2cf4fe
SC		 415static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
416{
417 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
418 usleep_range(10000, 11000);
419
420 cancel_delayed_work_sync(&adapter->fw_work);
421}
422
af19b491
AKS		 423static const struct net_device_ops qlcnic_netdev_ops = {
424 .ndo_open = qlcnic_open,
425 .ndo_stop = qlcnic_close,
426 .ndo_start_xmit = qlcnic_xmit_frame,
427 .ndo_get_stats = qlcnic_get_stats,
428 .ndo_validate_addr = eth_validate_addr,
afc4b13d 429 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 430 .ndo_set_mac_address = qlcnic_set_mac,
431 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 432 .ndo_fix_features = qlcnic_fix_features,
433 .ndo_set_features = qlcnic_set_features,
af19b491 434 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 435 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
436 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 437 .ndo_fdb_add = qlcnic_fdb_add,
438 .ndo_fdb_del = qlcnic_fdb_del,
439 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 440#ifdef CONFIG_NET_POLL_CONTROLLER
441 .ndo_poll_controller = qlcnic_poll_controller,
442#endif
4000e7a7
RB		 443#ifdef CONFIG_QLCNIC_SRIOV
444 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
445 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
446 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 447 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 448 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 449#endif
af19b491
AKS		 450};
451
b43e5ee7
SC		 452static const struct net_device_ops qlcnic_netdev_failed_ops = {
453 .ndo_open = qlcnic_open,
454};
455
2e9d722d 456static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 457 .config_bridged_mode = qlcnic_config_bridged_mode,
458 .config_led = qlcnic_82xx_config_led,
459 .start_firmware = qlcnic_82xx_start_firmware,
460 .request_reset = qlcnic_82xx_dev_request_reset,
461 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
462 .napi_add = qlcnic_82xx_napi_add,
4be41e92 463 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 464 .config_ipaddr = qlcnic_82xx_config_ipaddr,
465 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
466};
467
468struct qlcnic_nic_template qlcnic_vf_ops = {
469 .config_bridged_mode = qlcnicvf_config_bridged_mode,
470 .config_led = qlcnicvf_config_led,
471 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 472};
473
7e2cf4fe
SC		 474static struct qlcnic_hardware_ops qlcnic_hw_ops = {
475 .read_crb = qlcnic_82xx_read_crb,
476 .write_crb = qlcnic_82xx_write_crb,
477 .read_reg = qlcnic_82xx_hw_read_wx_2M,
478 .write_reg = qlcnic_82xx_hw_write_wx_2M,
479 .get_mac_address = qlcnic_82xx_get_mac_address,
480 .setup_intr = qlcnic_82xx_setup_intr,
481 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
482 .mbx_cmd = qlcnic_82xx_issue_cmd,
483 .get_func_no = qlcnic_82xx_get_func_no,
484 .api_lock = qlcnic_82xx_api_lock,
485 .api_unlock = qlcnic_82xx_api_unlock,
486 .add_sysfs = qlcnic_82xx_add_sysfs,
487 .remove_sysfs = qlcnic_82xx_remove_sysfs,
488 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
489 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
490 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 491 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
492 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 493 .setup_link_event = qlcnic_82xx_linkevent_request,
494 .get_nic_info = qlcnic_82xx_get_nic_info,
495 .get_pci_info = qlcnic_82xx_get_pci_info,
496 .set_nic_info = qlcnic_82xx_set_nic_info,
497 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
498 .napi_enable = qlcnic_82xx_napi_enable,
499 .napi_disable = qlcnic_82xx_napi_disable,
500 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
501 .config_rss = qlcnic_82xx_config_rss,
502 .config_hw_lro = qlcnic_82xx_config_hw_lro,
503 .config_loopback = qlcnic_82xx_set_lb_mode,
504 .clear_loopback = qlcnic_82xx_clear_lb_mode,
505 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
506 .change_l2_filter = qlcnic_82xx_change_filter,
507 .get_board_info = qlcnic_82xx_get_board_info,
91b7282b 508 .free_mac_list = qlcnic_82xx_free_mac_list,
2e9d722d
AC		 509};
510
7f966452 511int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 512{
af19b491 513 struct pci_dev *pdev = adapter->pdev;
13159183 514 int err = -1, i;
da6c8063
RB		 515 int max_tx_rings, tx_vector;
516
517 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
518 max_tx_rings = 0;
519 tx_vector = 0;
520 } else {
521 max_tx_rings = adapter->max_drv_tx_rings;
522 tx_vector = 1;
523 }
13159183
SC		 524
525 if (!adapter->msix_entries) {
526 adapter->msix_entries = kcalloc(num_msix,
527 sizeof(struct msix_entry),
528 GFP_KERNEL);
b2adaca9 529 if (!adapter->msix_entries)
13159183 530 return -ENOMEM;
13159183 531 }
af19b491
AKS		 532
533 adapter->max_sds_rings = 1;
af19b491 534 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 535
79788450 536 if (adapter->ahw->msix_supported) {
f94bc1e7 537 enable_msix:
13159183
SC		 538 for (i = 0; i < num_msix; i++)
539 adapter->msix_entries[i].entry = i;
af19b491
AKS		 540 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
541 if (err == 0) {
542 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 543 if (qlcnic_83xx_check(adapter)) {
544 adapter->ahw->num_msix = num_msix;
545 /* subtract mail box and tx ring vectors */
13159183
SC		 546 adapter->max_sds_rings = num_msix -
547 max_tx_rings - 1;
548 } else {
549 adapter->max_sds_rings = num_msix;
550 }
af19b491 551 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 552 return err;
13159183
SC		 553 } else if (err > 0) {
554 dev_info(&pdev->dev,
555 "Unable to allocate %d MSI-X interrupt vectors\n",
556 num_msix);
557 if (qlcnic_83xx_check(adapter)) {
da6c8063 558 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 559 return err;
da6c8063 560 err -= (max_tx_rings + 1);
13159183 561 num_msix = rounddown_pow_of_two(err);
da6c8063 562 num_msix += (max_tx_rings + 1);
13159183
SC		 563 } else {
564 num_msix = rounddown_pow_of_two(err);
565 }
566
567 if (num_msix) {
568 dev_info(&pdev->dev,
dce056cb 569 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 570 num_msix);
f94bc1e7 571 goto enable_msix;
13159183
SC		 572 }
573 } else {
dce056cb
MC		 574 dev_info(&pdev->dev,
575 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 576 num_msix);
f94bc1e7
SC		 577 }
578 }
13159183 579
f94bc1e7
SC		 580 return err;
581}
af19b491 582
9a97e705 583static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 584{
9a97e705 585 int err = 0;
15087c2b 586 u32 offset, mask_reg;
f94bc1e7 587 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 588 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 589 struct pci_dev *pdev = adapter->pdev;
af19b491 590
099f7aa7 591 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 592 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 593 offset = msi_tgt_status[adapter->ahw->pci_func];
594 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
595 offset);
af19b491
AKS		 596 dev_info(&pdev->dev, "using msi interrupts\n");
597 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 598 return err;
af19b491 599 }
9a97e705
M		 600 if (qlcnic_use_msi || qlcnic_use_msi_x)
601 return -EOPNOTSUPP;
af19b491 602
f94bc1e7 603 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 604 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 605 offset = legacy_intrp->tgt_status_reg;
606 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
607 mask_reg = legacy_intrp->tgt_mask_reg;
608 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
609 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
610 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 611 dev_info(&pdev->dev, "using legacy interrupts\n");
612 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 613 return err;
af19b491
AKS		 614}
615
7e2cf4fe 616int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 617{
9a97e705 618 int num_msix, err = 0;
f94bc1e7 619
7e2cf4fe
SC		 620 if (!num_intr)
621 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
622
623 if (adapter->ahw->msix_supported)
5f6ec29a 624 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 625 num_intr));
626 else
f94bc1e7
SC		 627 num_msix = 1;
628
7e2cf4fe
SC		 629 err = qlcnic_enable_msix(adapter, num_msix);
630 if (err == -ENOMEM || !err)
631 return err;
f94bc1e7 632
9a97e705
M		 633 err = qlcnic_enable_msi_legacy(adapter);
634 if (!err)
635 return err;
636
637 return -EIO;
f94bc1e7 638}
13159183 639
319ecf12 640void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 641{
642 if (adapter->flags & QLCNIC_MSIX_ENABLED)
643 pci_disable_msix(adapter->pdev);
644 if (adapter->flags & QLCNIC_MSI_ENABLED)
645 pci_disable_msi(adapter->pdev);
13159183
SC		 646
647 kfree(adapter->msix_entries);
648 adapter->msix_entries = NULL;
649
650 if (adapter->ahw->intr_tbl) {
651 vfree(adapter->ahw->intr_tbl);
652 adapter->ahw->intr_tbl = NULL;
653 }
af19b491
AKS		 654}
655
f1a094a8 656static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 657{
f1a094a8
RB		 658 if (ahw->pci_base0 != NULL)
659 iounmap(ahw->pci_base0);
af19b491
AKS		 660}
661
7e2cf4fe
SC		 662static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
663{
664 struct qlcnic_pci_info *pci_info;
665 int ret;
666
667 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
668 switch (adapter->ahw->port_type) {
669 case QLCNIC_GBE:
670 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
671 break;
672 case QLCNIC_XGBE:
673 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
674 break;
675 }
676 return 0;
677 }
678
679 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
680 return 0;
681
682 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
683 if (!pci_info)
684 return -ENOMEM;
685
686 ret = qlcnic_get_pci_info(adapter, pci_info);
687 kfree(pci_info);
688 return ret;
689}
d71170fb
SC		 690
691int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 692{
e88db3bd 693 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 694 int i, ret = 0, j = 0;
695 u16 act_pci_func;
346fe763
RB		 696 u8 pfn;
697
e88db3bd
DC		 698 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
699 if (!pci_info)
700 return -ENOMEM;
701
bff57d8e
SC		 702 ret = qlcnic_get_pci_info(adapter, pci_info);
703 if (ret)
704 goto err_pci_info;
705
706 act_pci_func = adapter->ahw->act_pci_func;
707
ca315ac2 708 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 709 act_pci_func, GFP_KERNEL);
e88db3bd 710 if (!adapter->npars) {
900853a4 711 ret = -ENOMEM;
e88db3bd
DC		 712 goto err_pci_info;
713 }
346fe763 714
ca315ac2 715 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 716 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
717 if (!adapter->eswitch) {
900853a4 718 ret = -ENOMEM;
ca315ac2 719 goto err_npars;
346fe763
RB		 720 }
721
ca315ac2
DC		 722 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
723 pfn = pci_info[i].id;
bff57d8e 724
0f6efff9 725 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 726 ret = QL_STATUS_INVALID_PARAM;
727 goto err_eswitch;
728 }
bff57d8e
SC		 729
730 if (!pci_info[i].active ||
731 (pci_info[i].type != QLCNIC_TYPE_NIC))
732 continue;
733
734 adapter->npars[j].pci_func = pfn;
735 adapter->npars[j].active = (u8)pci_info[i].active;
736 adapter->npars[j].type = (u8)pci_info[i].type;
737 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
738 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
739 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
740 j++;
346fe763
RB		 741 }
742
13159183 743 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 744 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 745 if (qlcnic_83xx_check(adapter))
746 qlcnic_enable_eswitch(adapter, i, 1);
747 }
ca315ac2 748
e88db3bd 749 kfree(pci_info);
ca315ac2
DC		 750 return 0;
751
752err_eswitch:
346fe763
RB		 753 kfree(adapter->eswitch);
754 adapter->eswitch = NULL;
ca315ac2 755err_npars:
346fe763 756 kfree(adapter->npars);
ca315ac2 757 adapter->npars = NULL;
e88db3bd
DC		 758err_pci_info:
759 kfree(pci_info);
346fe763
RB		 760
761 return ret;
762}
763
2e9d722d
AC		 764static int
765qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
766{
767 u8 id;
7e8fd003 768 int ret;
2e9d722d 769 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 770 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 771
2e9d722d
AC		 772 ret = qlcnic_api_lock(adapter);
773 if (ret)
774 goto err_lock;
2e9d722d 775
7e8fd003
SS		 776 id = ahw->pci_func;
777 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
778 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
779 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 780 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 781 qlcnic_api_unlock(adapter);
782err_lock:
783 return ret;
784}
785
13159183
SC		 786static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
787 const struct pci_device_id *ent)
2e9d722d 788{
2e9d722d
AC		 789 u32 op_mode, priv_level;
790
791 /* Determine FW API version */
13159183
SC		 792 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
793 QLCNIC_FW_API);
2e9d722d
AC		 794
795 /* Find PCI function number */
13159183 796 qlcnic_get_func_no(adapter);
2e9d722d
AC		 797
798 /* Determine function privilege level */
13159183 799 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 800 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 801 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 802 else
b1fc6d3c 803 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 804
0866d96d 805 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 806 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 807 dev_info(&adapter->pdev->dev,
808 "HAL Version: %d Non Privileged function\n",
79788450 809 adapter->ahw->fw_hal_version);
9f26f547 810 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 811 } else
812 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 813}
814
15087c2b 815#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 816#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 817static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
818{
819 switch (dev_id) {
820 case PCI_DEVICE_ID_QLOGIC_QLE824X:
821 *bar = QLCNIC_82XX_BAR0_LENGTH;
822 break;
13159183 823 case PCI_DEVICE_ID_QLOGIC_QLE834X:
f8468331 824 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
13159183
SC		 825 *bar = QLCNIC_83XX_BAR0_LENGTH;
826 break;
15087c2b
SC		 827 default:
828 *bar = 0;
829 }
830}
831
832static int qlcnic_setup_pci_map(struct pci_dev *pdev,
833 struct qlcnic_hardware_context *ahw)
af19b491 834{
15087c2b 835 u32 offset;
af19b491 836 void __iomem *mem_ptr0 = NULL;
15087c2b 837 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 838
af19b491 839 /* remap phys address */
af19b491
AKS		 840 mem_len = pci_resource_len(pdev, 0);
841
15087c2b
SC		 842 qlcnic_get_bar_length(pdev->device, &bar0_len);
843 if (mem_len >= bar0_len) {
af19b491
AKS		 844
845 mem_ptr0 = pci_ioremap_bar(pdev, 0);
846 if (mem_ptr0 == NULL) {
847 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
848 return -EIO;
849 }
850 pci_len0 = mem_len;
851 } else {
852 return -EIO;
853 }
854
f8468331 855 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 856
15087c2b
SC		 857 ahw->pci_base0 = mem_ptr0;
858 ahw->pci_len0 = pci_len0;
859 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
860 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 861
862 return 0;
863}
864
2343f06a
MC		 865static inline bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
866 int index)
867{
868 struct pci_dev *pdev = adapter->pdev;
869 unsigned short subsystem_vendor;
870 bool ret = true;
871
872 subsystem_vendor = pdev->subsystem_vendor;
873
874 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
875 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
876 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
877 qlcnic_boards[index].sub_device == pdev->subsystem_device)
878 ret = true;
879 else
880 ret = false;
881 }
882
883 return ret;
884}
885
22999798 886static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 887{
888 struct pci_dev *pdev = adapter->pdev;
889 int i, found = 0;
890
891 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
892 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 893 qlcnic_boards[i].device == pdev->device &&
894 qlcnic_validate_subsystem_id(adapter, i)) {
895 found = 1;
896 break;
af19b491 897 }
af19b491
AKS		 898 }
899
900 if (!found)
7f9a0c34 901 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 902 else
903 sprintf(name, "%pM: %s" , adapter->mac_addr,
904 qlcnic_boards[i].short_name);
af19b491
AKS		 905}
906
907static void
908qlcnic_check_options(struct qlcnic_adapter *adapter)
909{
a15ebd37 910 int err;
031a4a26 911 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 912 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 913 struct qlcnic_hardware_context *ahw = adapter->ahw;
914 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 915
916 prev_fw_version = adapter->fw_version;
af19b491 917
a15ebd37
HM		 918 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
919 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
920 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 921
922 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
923
a15ebd37
HM		 924 err = qlcnic_get_board_info(adapter);
925 if (err) {
926 dev_err(&pdev->dev, "Error getting board config info.\n");
927 return;
928 }
929 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 930 if (fw_dump->tmpl_hdr == NULL ||
931 adapter->fw_version > prev_fw_version) {
932 if (fw_dump->tmpl_hdr)
933 vfree(fw_dump->tmpl_hdr);
934 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
935 dev_info(&pdev->dev,
936 "Supports FW dump capability\n");
937 }
938 }
939
13159183
SC		 940 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
941 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
942
b1fc6d3c 943 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 944 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
945 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
946 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
947 } else {
948 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
949 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
950 }
951
af19b491 952 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 953 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
954
b1fc6d3c 955 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 956 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
957 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 958 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
959 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 960 }
961
099f7aa7 962 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 963
964 adapter->num_txd = MAX_CMD_DESCRIPTORS;
965
251b036a 966 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 967}
968
174240a8
RB		 969static int
970qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
971{
972 int err;
973 struct qlcnic_info nic_info;
974
bff57d8e 975 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 976 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 977 if (err)
978 return err;
979
79788450
SC		 980 adapter->ahw->physical_port = (u8)nic_info.phys_port;
981 adapter->ahw->switch_mode = nic_info.switch_mode;
982 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
983 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
984 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 985
986 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
987 u32 temp;
988 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
989 adapter->ahw->capabilities2 = temp;
990 }
79788450
SC		 991 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
992 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 993
13159183
SC		 994 /* Disable NPAR for 83XX */
995 if (qlcnic_83xx_check(adapter))
996 return err;
997
79788450 998 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 999 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1000 else
1001 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1002
1003 return err;
1004}
1005
ec079a07
SC		 1006void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1007 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1008{
1009 if (esw_cfg->discard_tagged)
1010 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1011 else
1012 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1013
91b7282b
RB		 1014 if (esw_cfg->vlan_id) {
1015 adapter->rx_pvid = esw_cfg->vlan_id;
1016 adapter->tx_pvid = esw_cfg->vlan_id;
1017 } else {
1018 adapter->rx_pvid = 0;
1019 adapter->tx_pvid = 0;
1020 }
8cf61f89
AKS		 1021}
1022
8e586137 1023static int
80d5c368 1024qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1025{
1026 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1027 int err;
1028
1029 if (qlcnic_sriov_vf_check(adapter)) {
1030 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1031 if (err) {
1032 netdev_err(netdev,
1033 "Cannot add VLAN filter for VLAN id %d, err=%d",
1034 vid, err);
1035 return err;
1036 }
1037 }
1038
b9796a14 1039 set_bit(vid, adapter->vlans);
8e586137 1040 return 0;
b9796a14
AC		 1041}
1042
8e586137 1043static int
80d5c368 1044qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1045{
1046 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1047 int err;
1048
1049 if (qlcnic_sriov_vf_check(adapter)) {
1050 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1051 if (err) {
1052 netdev_err(netdev,
1053 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1054 vid, err);
1055 return err;
1056 }
1057 }
b9796a14
AC		 1058
1059 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1060 clear_bit(vid, adapter->vlans);
8e586137 1061 return 0;
b9796a14
AC		 1062}
1063
ec079a07
SC		 1064void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1065 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1066{
ee07c1a7
RB		 1067 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1068 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1069
1070 if (esw_cfg->mac_anti_spoof)
1071 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1072
7373373d
RB		 1073 if (!esw_cfg->mac_override)
1074 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1075
ee07c1a7
RB		 1076 if (!esw_cfg->promisc_mode)
1077 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1078}
1079
d71170fb 1080int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1081{
1082 struct qlcnic_esw_func_cfg esw_cfg;
1083
1084 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1085 return 0;
1086
b1fc6d3c 1087 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1088 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1089 return -EIO;
8cf61f89 1090 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1091 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1092 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1093
1094 return 0;
1095}
1096
147a9088
SS		 1097void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1098 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1099{
1100 struct net_device *netdev = adapter->netdev;
13159183
SC		 1101
1102 if (qlcnic_83xx_check(adapter))
1103 return;
0325d69b 1104
147a9088
SS		 1105 adapter->offload_flags = esw_cfg->offload_flags;
1106 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1107 netdev_update_features(netdev);
1108 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1109}
1110
0866d96d
AC		 1111static int
1112qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1113{
0866d96d
AC		 1114 u32 op_mode, priv_level;
1115 int err = 0;
1116
174240a8
RB		 1117 err = qlcnic_initialize_nic(adapter);
1118 if (err)
1119 return err;
1120
0866d96d
AC		 1121 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1122 return 0;
1123
13159183 1124 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1125 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1126
1127 if (op_mode == QLC_DEV_DRV_DEFAULT)
1128 priv_level = QLCNIC_MGMT_FUNC;
1129 else
b1fc6d3c 1130 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1131
174240a8 1132 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1133 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1134 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1135 err = qlcnic_init_pci_info(adapter);
1136 if (err)
1137 return err;
1138 /* Set privilege level for other functions */
1139 qlcnic_set_function_modes(adapter);
1140 dev_info(&adapter->pdev->dev,
1141 "HAL Version: %d, Management function\n",
79788450 1142 adapter->ahw->fw_hal_version);
0866d96d 1143 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1144 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1145 dev_info(&adapter->pdev->dev,
1146 "HAL Version: %d, Privileged function\n",
79788450 1147 adapter->ahw->fw_hal_version);
0866d96d 1148 }
174240a8 1149 }
0866d96d
AC		 1150
1151 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1152
1153 return err;
1154}
1155
d71170fb 1156int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1157{
1158 struct qlcnic_esw_func_cfg esw_cfg;
1159 struct qlcnic_npar_info *npar;
1160 u8 i;
1161
174240a8 1162 if (adapter->need_fw_reset)
0325d69b
RB		 1163 return 0;
1164
bff57d8e 1165 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1166 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1167 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1168 esw_cfg.mac_override = BIT_0;
ee07c1a7 1169 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1170 if (qlcnic_82xx_check(adapter)) {
1171 esw_cfg.offload_flags = BIT_0;
1172 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1173 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1174 }
0325d69b
RB		 1175 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1176 return -EIO;
1177 npar = &adapter->npars[i];
1178 npar->pvid = esw_cfg.vlan_id;
7373373d 1179 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1180 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1181 npar->discard_tagged = esw_cfg.discard_tagged;
1182 npar->promisc_mode = esw_cfg.promisc_mode;
1183 npar->offload_flags = esw_cfg.offload_flags;
1184 }
1185
1186 return 0;
1187}
1188
13159183 1189
4e8acb01
RB		 1190static int
1191qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1192 struct qlcnic_npar_info *npar, int pci_func)
1193{
1194 struct qlcnic_esw_func_cfg esw_cfg;
1195 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1196 esw_cfg.pci_func = pci_func;
1197 esw_cfg.vlan_id = npar->pvid;
7373373d 1198 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1199 esw_cfg.discard_tagged = npar->discard_tagged;
1200 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1201 esw_cfg.offload_flags = npar->offload_flags;
1202 esw_cfg.promisc_mode = npar->promisc_mode;
1203 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1204 return -EIO;
1205
1206 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1207 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1208 return -EIO;
1209
1210 return 0;
1211}
1212
d71170fb 1213int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1214{
4e8acb01 1215 int i, err;
cea8975e
AC		 1216 struct qlcnic_npar_info *npar;
1217 struct qlcnic_info nic_info;
bff57d8e 1218 u8 pci_func;
cea8975e 1219
bff57d8e
SC		 1220 if (qlcnic_82xx_check(adapter))
1221 if (!adapter->need_fw_reset)
1222 return 0;
cea8975e 1223
4e8acb01 1224 /* Set the NPAR config data after FW reset */
bff57d8e 1225 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1226 npar = &adapter->npars[i];
bff57d8e
SC		 1227 pci_func = npar->pci_func;
1228 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1229 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1230 if (err)
1231 return err;
1232 nic_info.min_tx_bw = npar->min_bw;
1233 nic_info.max_tx_bw = npar->max_bw;
1234 err = qlcnic_set_nic_info(adapter, &nic_info);
1235 if (err)
1236 return err;
cea8975e 1237
4e8acb01
RB		 1238 if (npar->enable_pm) {
1239 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1240 npar->dest_npar, 1,
1241 pci_func);
4e8acb01
RB		 1242 if (err)
1243 return err;
cea8975e 1244 }
bff57d8e 1245 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1246 if (err)
1247 return err;
cea8975e 1248 }
4e8acb01 1249 return 0;
cea8975e
AC		 1250}
1251
78f84e1a
AKS		 1252static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1253{
1254 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1255 u32 npar_state;
1256
79788450 1257 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1258 return 0;
1259
a15ebd37
HM		 1260 npar_state = QLC_SHARED_REG_RD32(adapter,
1261 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1262 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1263 msleep(1000);
a15ebd37
HM		 1264 npar_state = QLC_SHARED_REG_RD32(adapter,
1265 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1266 }
1267 if (!npar_opt_timeo) {
1268 dev_err(&adapter->pdev->dev,
8a168ca7 1269 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1270 return -EIO;
1271 }
1272 return 0;
1273}
1274
174240a8
RB		 1275static int
1276qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1277{
1278 int err;
1279
1280 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1281 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1282 return 0;
1283
1284 err = qlcnic_set_default_offload_settings(adapter);
1285 if (err)
1286 return err;
1287
1288 err = qlcnic_reset_npar_config(adapter);
1289 if (err)
1290 return err;
1291
1292 qlcnic_dev_set_npar_ready(adapter);
1293
1294 return err;
1295}
1296
7e2cf4fe 1297int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1298{
d4066833 1299 int err;
af19b491 1300
aa5e18c0
SC		 1301 err = qlcnic_can_start_firmware(adapter);
1302 if (err < 0)
1303 return err;
1304 else if (!err)
d4066833 1305 goto check_fw_status;
af19b491 1306
099f7aa7 1307 if (qlcnic_load_fw_file)
4d5bdb38 1308 qlcnic_request_firmware(adapter);
8f891387 1309 else {
8cfdce08
SC		 1310 err = qlcnic_check_flash_fw_ver(adapter);
1311 if (err)
8f891387 1312 goto err_out;
1313
79788450 1314 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1315 }
af19b491
AKS		 1316
1317 err = qlcnic_need_fw_reset(adapter);
af19b491 1318 if (err == 0)
4e70812b 1319 goto check_fw_status;
af19b491 1320
d4066833
SC		 1321 err = qlcnic_pinit_from_rom(adapter);
1322 if (err)
1323 goto err_out;
af19b491
AKS		 1324
1325 err = qlcnic_load_firmware(adapter);
1326 if (err)
1327 goto err_out;
1328
1329 qlcnic_release_firmware(adapter);
d4066833 1330 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1331
d4066833
SC		 1332check_fw_status:
1333 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1334 if (err)
1335 goto err_out;
1336
a15ebd37 1337 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1338 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1339 err = qlcnic_check_eswitch_mode(adapter);
1340 if (err) {
1341 dev_err(&adapter->pdev->dev,
1342 "Memory allocation failed for eswitch\n");
1343 goto err_out;
1344 }
174240a8
RB		 1345 err = qlcnic_set_mgmt_operations(adapter);
1346 if (err)
1347 goto err_out;
1348
1349 qlcnic_check_options(adapter);
af19b491
AKS		 1350 adapter->need_fw_reset = 0;
1351
a7fc948f
AKS		 1352 qlcnic_release_firmware(adapter);
1353 return 0;
af19b491
AKS		 1354
1355err_out:
a15ebd37 1356 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1357 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1358
af19b491
AKS		 1359 qlcnic_release_firmware(adapter);
1360 return err;
1361}
1362
1363static int
1364qlcnic_request_irq(struct qlcnic_adapter *adapter)
1365{
1366 irq_handler_t handler;
1367 struct qlcnic_host_sds_ring *sds_ring;
13159183 1368 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1369 int err, ring, num_sds_rings;
af19b491
AKS		 1370
1371 unsigned long flags = 0;
1372 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1373 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1374
79788450 1375 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1376 if (qlcnic_82xx_check(adapter))
1377 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1378 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1379 flags |= IRQF_SHARED;
1380
1381 } else {
1382 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1383 handler = qlcnic_msix_intr;
1384 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1385 handler = qlcnic_msi_intr;
1386 else {
1387 flags |= IRQF_SHARED;
ac166700
HM		 1388 if (qlcnic_82xx_check(adapter))
1389 handler = qlcnic_intr;
1390 else
1391 handler = qlcnic_83xx_intr;
7eb9855d 1392 }
af19b491
AKS		 1393 }
1394 adapter->irq = netdev->irq;
1395
13159183 1396 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1397 if (qlcnic_82xx_check(adapter) ||
1398 (qlcnic_83xx_check(adapter) &&
1399 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1400 num_sds_rings = adapter->max_sds_rings;
1401 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1402 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1403 if (qlcnic_82xx_check(adapter) &&
aa2a8034
HM		 1404 (ring == (num_sds_rings - 1))) {
1405 if (!(adapter->flags &
1406 QLCNIC_MSIX_ENABLED))
1407 snprintf(sds_ring->name,
1408 sizeof(sds_ring->name),
1409 "qlcnic");
1410 else
1411 snprintf(sds_ring->name,
1412 sizeof(sds_ring->name),
1413 "%s-tx-0-rx-%d",
1414 netdev->name, ring);
1415 } else {
ddb2e174
HM		 1416 snprintf(sds_ring->name,
1417 sizeof(sds_ring->name),
aa2a8034 1418 "%s-rx-%d",
ddb2e174 1419 netdev->name, ring);
aa2a8034 1420 }
ac166700
HM		 1421 err = request_irq(sds_ring->irq, handler, flags,
1422 sds_ring->name, sds_ring);
1423 if (err)
1424 return err;
1425 }
13159183
SC		 1426 }
1427 if (qlcnic_83xx_check(adapter) &&
da6c8063
RB		 1428 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1429 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1430 handler = qlcnic_msix_tx_intr;
1431 for (ring = 0; ring < adapter->max_drv_tx_rings;
1432 ring++) {
1433 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1434 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1435 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1436 err = request_irq(tx_ring->irq, handler, flags,
1437 tx_ring->name, tx_ring);
1438 if (err)
1439 return err;
1440 }
1441 }
af19b491 1442 }
af19b491
AKS		 1443 return 0;
1444}
1445
1446static void
1447qlcnic_free_irq(struct qlcnic_adapter *adapter)
1448{
1449 int ring;
1450 struct qlcnic_host_sds_ring *sds_ring;
13159183 1451 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1452
b1fc6d3c 1453 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1454
13159183 1455 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1456 if (qlcnic_82xx_check(adapter) ||
1457 (qlcnic_83xx_check(adapter) &&
1458 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1459 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1460 sds_ring = &recv_ctx->sds_rings[ring];
1461 free_irq(sds_ring->irq, sds_ring);
1462 }
13159183 1463 }
da6c8063
RB		 1464 if (qlcnic_83xx_check(adapter) &&
1465 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1466 for (ring = 0; ring < adapter->max_drv_tx_rings;
1467 ring++) {
1468 tx_ring = &adapter->tx_ring[ring];
1469 if (tx_ring->irq)
1470 free_irq(tx_ring->irq, tx_ring);
1471 }
1472 }
af19b491
AKS		 1473 }
1474}
1475
99e85879
SS		 1476static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1477{
1478 u32 capab = 0;
1479
1480 if (qlcnic_82xx_check(adapter)) {
1481 if (adapter->ahw->capabilities2 &
1482 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1483 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1484 } else {
1485 capab = adapter->ahw->capabilities;
1486 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1487 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1488 }
1489}
1490
319ecf12 1491int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1492{
8a15ad1f
AKS		 1493 int ring;
1494 struct qlcnic_host_rds_ring *rds_ring;
1495
af19b491
AKS		 1496 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1497 return -EIO;
1498
8a15ad1f
AKS		 1499 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1500 return 0;
0325d69b
RB		 1501 if (qlcnic_set_eswitch_port_config(adapter))
1502 return -EIO;
99e85879 1503 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1504
8a15ad1f
AKS		 1505 if (qlcnic_fw_create_ctx(adapter))
1506 return -EIO;
1507
1508 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1509 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1510 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1511 }
1512
af19b491
AKS		 1513 qlcnic_set_multi(netdev);
1514 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1515
b1fc6d3c 1516 adapter->ahw->linkup = 0;
af19b491
AKS		 1517
1518 if (adapter->max_sds_rings > 1)
1519 qlcnic_config_rss(adapter, 1);
1520
1521 qlcnic_config_intr_coalesce(adapter);
1522
24763d80 1523 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1524 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1525
1526 qlcnic_napi_enable(adapter);
1527
1528 qlcnic_linkevent_request(adapter, 1);
1529
79788450 1530 adapter->ahw->reset_context = 0;
af19b491
AKS		 1531 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1532 return 0;
1533}
1534
629263ac 1535int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1536{
1537 int err = 0;
1538
1539 rtnl_lock();
1540 if (netif_running(netdev))
1541 err = __qlcnic_up(adapter, netdev);
1542 rtnl_unlock();
1543
1544 return err;
1545}
1546
319ecf12 1547void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1548{
1549 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1550 return;
1551
1552 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1553 return;
1554
e8b508ef
RB		 1555 if (qlcnic_sriov_vf_check(adapter))
1556 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1557 smp_mb();
1558 spin_lock(&adapter->tx_clean_lock);
1559 netif_carrier_off(netdev);
0a46bac0 1560 adapter->ahw->linkup = 0;
af19b491
AKS		 1561 netif_tx_disable(netdev);
1562
1563 qlcnic_free_mac_list(adapter);
1564
b5e5492c
AKS		 1565 if (adapter->fhash.fnum)
1566 qlcnic_delete_lb_filters(adapter);
1567
af19b491
AKS		 1568 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1569
1570 qlcnic_napi_disable(adapter);
1571
8a15ad1f 1572 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1573 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1574
1575 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1576 qlcnic_release_tx_buffers(adapter);
1577 spin_unlock(&adapter->tx_clean_lock);
1578}
1579
1580/* Usage: During suspend and firmware recovery module */
1581
629263ac 1582void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1583{
1584 rtnl_lock();
1585 if (netif_running(netdev))
1586 __qlcnic_down(adapter, netdev);
1587 rtnl_unlock();
1588
1589}
1590
319ecf12 1591int
af19b491
AKS		 1592qlcnic_attach(struct qlcnic_adapter *adapter)
1593{
1594 struct net_device *netdev = adapter->netdev;
1595 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1596 int err;
af19b491
AKS		 1597
1598 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1599 return 0;
1600
af19b491
AKS		 1601 err = qlcnic_napi_add(adapter, netdev);
1602 if (err)
1603 return err;
1604
1605 err = qlcnic_alloc_sw_resources(adapter);
1606 if (err) {
1607 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1608 goto err_out_napi_del;
af19b491
AKS		 1609 }
1610
1611 err = qlcnic_alloc_hw_resources(adapter);
1612 if (err) {
1613 dev_err(&pdev->dev, "Error in setting hw resources\n");
1614 goto err_out_free_sw;
1615 }
1616
af19b491
AKS		 1617 err = qlcnic_request_irq(adapter);
1618 if (err) {
1619 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1620 goto err_out_free_hw;
af19b491
AKS		 1621 }
1622
af19b491
AKS		 1623 qlcnic_create_sysfs_entries(adapter);
1624
1625 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1626 return 0;
1627
8a15ad1f 1628err_out_free_hw:
af19b491
AKS		 1629 qlcnic_free_hw_resources(adapter);
1630err_out_free_sw:
1631 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1632err_out_napi_del:
1633 qlcnic_napi_del(adapter);
af19b491
AKS		 1634 return err;
1635}
1636
319ecf12 1637void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1638{
1639 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1640 return;
1641
1642 qlcnic_remove_sysfs_entries(adapter);
1643
1644 qlcnic_free_hw_resources(adapter);
1645 qlcnic_release_rx_buffers(adapter);
1646 qlcnic_free_irq(adapter);
1647 qlcnic_napi_del(adapter);
1648 qlcnic_free_sw_resources(adapter);
1649
1650 adapter->is_up = 0;
1651}
1652
7eb9855d
AKS		 1653void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1654{
1655 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1656 struct qlcnic_host_sds_ring *sds_ring;
1657 int ring;
1658
78ad3892 1659 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1660 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1661 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1662 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1663 qlcnic_disable_int(sds_ring);
cdaff185 1664 }
7eb9855d
AKS		 1665 }
1666
8a15ad1f
AKS		 1667 qlcnic_fw_destroy_ctx(adapter);
1668
7eb9855d
AKS		 1669 qlcnic_detach(adapter);
1670
79788450 1671 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1672 adapter->max_sds_rings = max_sds_rings;
1673
1674 if (qlcnic_attach(adapter))
34ce3626 1675 goto out;
7eb9855d
AKS		 1676
1677 if (netif_running(netdev))
1678 __qlcnic_up(adapter, netdev);
34ce3626 1679out:
7eb9855d
AKS		 1680 netif_device_attach(netdev);
1681}
1682
b1fc6d3c
AC		 1683static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1684{
be273dc1 1685 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1686 int err = 0;
be273dc1 1687
b1fc6d3c
AC		 1688 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1689 GFP_KERNEL);
1690 if (!adapter->recv_ctx) {
b1fc6d3c 1691 err = -ENOMEM;
8816d009 1692 goto err_out;
b1fc6d3c 1693 }
8816d009 1694 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1695 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1696 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1697 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1698 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1699 if (qlcnic_83xx_check(adapter)) {
1700 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1701 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1702 }
4be41e92
SC		 1703 /* clear stats */
1704 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1705err_out:
1706 return err;
1707}
1708
1709static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1710{
1711 kfree(adapter->recv_ctx);
1712 adapter->recv_ctx = NULL;
1713
18f2f616
AC		 1714 if (adapter->ahw->fw_dump.tmpl_hdr) {
1715 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1716 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1717 }
4be41e92 1718
81d0aeb0 1719 kfree(adapter->ahw->reset.buff);
4be41e92 1720 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1721}
1722
7eb9855d
AKS		 1723int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1724{
1725 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1726 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1727 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1728 int ring;
1729 int ret;
1730
1731 netif_device_detach(netdev);
1732
1733 if (netif_running(netdev))
1734 __qlcnic_down(adapter, netdev);
1735
1736 qlcnic_detach(adapter);
1737
1738 adapter->max_sds_rings = 1;
79788450 1739 adapter->ahw->diag_test = test;
4be41e92 1740 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1741
1742 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1743 if (ret) {
1744 netif_device_attach(netdev);
7eb9855d 1745 return ret;
34ce3626 1746 }
7eb9855d 1747
8a15ad1f
AKS		 1748 ret = qlcnic_fw_create_ctx(adapter);
1749 if (ret) {
1750 qlcnic_detach(adapter);
57e46248 1751 netif_device_attach(netdev);
8a15ad1f
AKS		 1752 return ret;
1753 }
1754
1755 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1756 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1757 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1758 }
1759
79788450 1760 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1761 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1762 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1763 qlcnic_enable_int(sds_ring);
cdaff185 1764 }
7eb9855d 1765 }
22c8c934 1766
79788450 1767 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1768 adapter->ahw->loopback_state = 0;
1769 qlcnic_linkevent_request(adapter, 1);
1770 }
1771
78ad3892 1772 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1773
1774 return 0;
1775}
1776
68bf1c68
AKS		 1777/* Reset context in hardware only */
1778static int
1779qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1780{
1781 struct net_device *netdev = adapter->netdev;
1782
1783 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1784 return -EBUSY;
1785
1786 netif_device_detach(netdev);
1787
1788 qlcnic_down(adapter, netdev);
1789
1790 qlcnic_up(adapter, netdev);
1791
1792 netif_device_attach(netdev);
1793
1794 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1795 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1796 return 0;
1797}
1798
af19b491
AKS		 1799int
1800qlcnic_reset_context(struct qlcnic_adapter *adapter)
1801{
1802 int err = 0;
1803 struct net_device *netdev = adapter->netdev;
1804
1805 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1806 return -EBUSY;
1807
1808 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1809
1810 netif_device_detach(netdev);
1811
1812 if (netif_running(netdev))
1813 __qlcnic_down(adapter, netdev);
1814
1815 qlcnic_detach(adapter);
1816
1817 if (netif_running(netdev)) {
1818 err = qlcnic_attach(adapter);
1d5c88e3 1819 if (!err) {
34ce3626 1820 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1821 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1822 }
af19b491
AKS		 1823 }
1824
1825 netif_device_attach(netdev);
1826 }
1827
af19b491
AKS		 1828 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1829 return err;
1830}
1831
f8468331 1832int
5ad6ff9d
SC		 1833qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1834 int pci_using_dac)
af19b491
AKS		 1835{
1836 int err;
1837 struct pci_dev *pdev = adapter->pdev;
1838
13159183 1839 adapter->rx_csum = 1;
79788450 1840 adapter->ahw->mc_enabled = 0;
13159183 1841 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1842
1843 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1844 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1845
1846 qlcnic_change_mtu(netdev, netdev->mtu);
1847
d1a1105e
RB		 1848 if (qlcnic_sriov_vf_check(adapter))
1849 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1850 else
1851 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1852
7e38d04b 1853 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1854 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1855 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1856 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1857 NETIF_F_IPV6_CSUM);
ac8d0c4f 1858
13159183
SC		 1859 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1860 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1861 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1862 }
af19b491 1863
13159183
SC		 1864 if (pci_using_dac) {
1865 netdev->features |= NETIF_F_HIGHDMA;
1866 netdev->vlan_features |= NETIF_F_HIGHDMA;
1867 }
af19b491 1868
13159183 1869 if (qlcnic_vlan_tx_check(adapter))
f646968f 1870 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 1871
91b7282b
RB		 1872 if (qlcnic_sriov_vf_check(adapter))
1873 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1874
13159183
SC		 1875 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1876 netdev->features |= NETIF_F_LRO;
135d84a9 1877
7e38d04b 1878 netdev->hw_features = netdev->features;
af19b491
AKS		 1879 netdev->irq = adapter->msix_entries[0].vector;
1880
af19b491
AKS		 1881 err = register_netdev(netdev);
1882 if (err) {
1883 dev_err(&pdev->dev, "failed to register net device\n");
1884 return err;
1885 }
1886
1887 return 0;
1888}
1889
5ad6ff9d 1890static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1891{
1892 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1893 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1894 *pci_using_dac = 1;
1895 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1896 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1897 *pci_using_dac = 0;
1898 else {
1899 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1900 return -EIO;
1901 }
1902
1903 return 0;
1904}
1905
4be41e92
SC		 1906void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1907{
1908 int ring;
1909 struct qlcnic_host_tx_ring *tx_ring;
1910
1911 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1912 tx_ring = &adapter->tx_ring[ring];
1913 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1914 vfree(tx_ring->cmd_buf_arr);
1915 tx_ring->cmd_buf_arr = NULL;
1916 }
1917 }
1918 if (adapter->tx_ring != NULL)
1919 kfree(adapter->tx_ring);
1920}
1921
1922int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1923 struct net_device *netdev)
1924{
b2adaca9 1925 int ring, vector, index;
4be41e92
SC		 1926 struct qlcnic_host_tx_ring *tx_ring;
1927 struct qlcnic_cmd_buffer *cmd_buf_arr;
1928
b2adaca9
JP		 1929 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1930 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1931 if (tx_ring == NULL)
4be41e92 1932 return -ENOMEM;
b2adaca9 1933
4be41e92
SC		 1934 adapter->tx_ring = tx_ring;
1935
1936 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1937 tx_ring = &adapter->tx_ring[ring];
1938 tx_ring->num_desc = adapter->num_txd;
1939 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1940 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1941 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1942 qlcnic_free_tx_rings(adapter);
1943 return -ENOMEM;
1944 }
1945 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1946 tx_ring->cmd_buf_arr = cmd_buf_arr;
1947 }
1948
1949 if (qlcnic_83xx_check(adapter)) {
1950 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1951 tx_ring = &adapter->tx_ring[ring];
1952 tx_ring->adapter = adapter;
1953 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1954 index = adapter->max_sds_rings + ring;
1955 vector = adapter->msix_entries[index].vector;
1956 tx_ring->irq = vector;
1957 }
1958 }
1959 }
1960 return 0;
1961}
1962
6bb58bb0 1963static int
af19b491
AKS		 1964qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1965{
1966 struct net_device *netdev = NULL;
1967 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1968 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1969 int err, pci_using_dac = -1;
c84e340a 1970 u32 capab2;
7bc48646 1971 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 1972
f8468331
RB		 1973 if (pdev->is_virtfn)
1974 return -ENODEV;
1975
af19b491
AKS		 1976 err = pci_enable_device(pdev);
1977 if (err)
1978 return err;
1979
1980 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1981 err = -ENODEV;
1982 goto err_out_disable_pdev;
1983 }
1984
1bb09fb9
AKS		 1985 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1986 if (err)
1987 goto err_out_disable_pdev;
1988
af19b491
AKS		 1989 err = pci_request_regions(pdev, qlcnic_driver_name);
1990 if (err)
1991 goto err_out_disable_pdev;
1992
1993 pci_set_master(pdev);
451724c8 1994 pci_enable_pcie_error_reporting(pdev);
af19b491 1995
7e2cf4fe 1996 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 1997 if (!ahw) {
1998 err = -ENOMEM;
7e2cf4fe 1999 goto err_out_free_res;
02135582 2000 }
7e2cf4fe 2001
f8468331
RB		 2002 switch (ent->device) {
2003 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2004 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2005 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2006 break;
2007 case PCI_DEVICE_ID_QLOGIC_QLE834X:
13159183 2008 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2009 break;
2010 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2011 qlcnic_sriov_vf_register_map(ahw);
2012 break;
2013 default:
13159183 2014 goto err_out_free_hw_res;
7e2cf4fe
SC		 2015 }
2016
2017 err = qlcnic_setup_pci_map(pdev, ahw);
2018 if (err)
2019 goto err_out_free_hw_res;
2020
af19b491
AKS		 2021 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2022 if (!netdev) {
af19b491 2023 err = -ENOMEM;
7e2cf4fe 2024 goto err_out_iounmap;
af19b491
AKS		 2025 }
2026
2027 SET_NETDEV_DEV(netdev, &pdev->dev);
2028
2029 adapter = netdev_priv(netdev);
2030 adapter->netdev = netdev;
2031 adapter->pdev = pdev;
13159183
SC		 2032 adapter->ahw = ahw;
2033
2034 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2035 if (adapter->qlcnic_wq == NULL) {
02135582 2036 err = -ENOMEM;
13159183
SC		 2037 dev_err(&pdev->dev, "Failed to create workqueue\n");
2038 goto err_out_free_netdev;
2039 }
af19b491 2040
2dfc9671
PST		 2041 err = qlcnic_alloc_adapter_resources(adapter);
2042 if (err)
b1fc6d3c
AC		 2043 goto err_out_free_netdev;
2044
2045 adapter->dev_rst_time = jiffies;
7e2cf4fe 2046 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2047 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2048 adapter->fdb_mac_learn = true;
2049 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2050 adapter->drv_mac_learn = true;
7e2cf4fe 2051 adapter->max_drv_tx_rings = 1;
af19b491 2052
b1fc6d3c
AC		 2053 rwlock_init(&adapter->ahw->crb_lock);
2054 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 2055
2056 spin_lock_init(&adapter->tx_clean_lock);
2057 INIT_LIST_HEAD(&adapter->mac_list);
2058
7e2cf4fe 2059 if (qlcnic_82xx_check(adapter)) {
13159183 2060 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2061 adapter->portnum = adapter->ahw->pci_func;
2062 err = qlcnic_start_firmware(adapter);
2063 if (err) {
2064 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2065 goto err_out_free_hw;
2066 }
af19b491 2067
7e2cf4fe
SC		 2068 err = qlcnic_setup_idc_param(adapter);
2069 if (err)
2070 goto err_out_free_hw;
b0044bcf 2071
7e2cf4fe 2072 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 2073 } else if (qlcnic_83xx_check(adapter)) {
2074 qlcnic_83xx_check_vf(adapter, ent);
2075 adapter->portnum = adapter->ahw->pci_func;
f8468331 2076 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2077 if (err) {
2078 dev_err(&pdev->dev, "%s: failed\n", __func__);
2079 goto err_out_free_hw;
2080 }
f8468331
RB		 2081 if (qlcnic_sriov_vf_check(adapter))
2082 return 0;
13159183
SC		 2083 } else {
2084 dev_err(&pdev->dev,
2085 "%s: failed. Please Reboot\n", __func__);
2086 goto err_out_free_hw;
a7fc948f 2087 }
af19b491 2088
da48e6c3
RB		 2089 if (qlcnic_read_mac_addr(adapter))
2090 dev_warn(&pdev->dev, "failed to read mac addr\n");
2091
2092 if (adapter->portnum == 0) {
22999798 2093 qlcnic_get_board_name(adapter, board_name);
13159183 2094
da48e6c3 2095 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2096 module_name(THIS_MODULE),
2097 board_name, adapter->ahw->revision_id);
da48e6c3 2098 }
460374f7
HM		 2099
2100 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2101 !!qlcnic_use_msi)
2102 dev_warn(&pdev->dev,
2103 "83xx adapter do not support MSI interrupts\n");
2104
7e2cf4fe 2105 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 2106 if (err) {
2107 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 2108 goto err_out_disable_msi;
9a97e705 2109 }
f94bc1e7 2110
13159183
SC		 2111 if (qlcnic_83xx_check(adapter)) {
2112 err = qlcnic_83xx_setup_mbx_intr(adapter);
2113 if (err)
2114 goto err_out_disable_msi;
2115 }
af19b491 2116
02135582
SC		 2117 err = qlcnic_get_act_pci_func(adapter);
2118 if (err)
2119 goto err_out_disable_mbx_intr;
2120
1bb09fb9 2121 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2122 if (err)
7e2cf4fe 2123 goto err_out_disable_mbx_intr;
af19b491 2124
c84e340a
SV		 2125 if (qlcnic_82xx_check(adapter)) {
2126 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
2127 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
2128 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
2129 qlcnic_fw_cmd_set_drv_version(adapter);
2130 }
2131 }
2132
af19b491
AKS		 2133 pci_set_drvdata(pdev, adapter);
2134
97ee45eb
SC		 2135 if (qlcnic_82xx_check(adapter))
2136 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2137 FW_POLL_DELAY);
af19b491 2138
b1fc6d3c 2139 switch (adapter->ahw->port_type) {
af19b491
AKS		 2140 case QLCNIC_GBE:
2141 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2142 adapter->netdev->name);
2143 break;
2144 case QLCNIC_XGBE:
2145 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2146 adapter->netdev->name);
2147 break;
2148 }
2149
fe1adc6b 2150 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2151 qlcnic_alloc_lb_filters_mem(adapter);
2152
7e2cf4fe 2153 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2154
2155 return 0;
2156
7e2cf4fe 2157err_out_disable_mbx_intr:
7dd90cf1 2158 if (qlcnic_83xx_check(adapter))
13159183 2159 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2160
af19b491
AKS		 2161err_out_disable_msi:
2162 qlcnic_teardown_intr(adapter);
7e2cf4fe 2163 qlcnic_cancel_idc_work(adapter);
21854f02 2164 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2165
b1fc6d3c
AC		 2166err_out_free_hw:
2167 qlcnic_free_adapter_resources(adapter);
2168
af19b491
AKS		 2169err_out_free_netdev:
2170 free_netdev(netdev);
2171
7e2cf4fe 2172err_out_iounmap:
f1a094a8 2173 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2174
2175err_out_free_hw_res:
2176 kfree(ahw);
2177
af19b491
AKS		 2178err_out_free_res:
2179 pci_release_regions(pdev);
2180
2181err_out_disable_pdev:
2182 pci_set_drvdata(pdev, NULL);
2183 pci_disable_device(pdev);
2184 return err;
2185}
2186
6bb58bb0 2187static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2188{
2189 struct qlcnic_adapter *adapter;
2190 struct net_device *netdev;
13159183 2191 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2192
2193 adapter = pci_get_drvdata(pdev);
2194 if (adapter == NULL)
2195 return;
2196
2197 netdev = adapter->netdev;
02feda17 2198 qlcnic_sriov_pf_disable(adapter);
af19b491 2199
13159183
SC		 2200 qlcnic_cancel_idc_work(adapter);
2201 ahw = adapter->ahw;
af19b491
AKS		 2202
2203 unregister_netdev(netdev);
02feda17 2204 qlcnic_sriov_cleanup(adapter);
af19b491 2205
13159183 2206 if (qlcnic_83xx_check(adapter)) {
13159183 2207 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2208 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2209 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2210 }
2211
af19b491
AKS		 2212 qlcnic_detach(adapter);
2213
2e9d722d
AC		 2214 if (adapter->npars != NULL)
2215 kfree(adapter->npars);
2216 if (adapter->eswitch != NULL)
2217 kfree(adapter->eswitch);
2218
97ee45eb
SC		 2219 if (qlcnic_82xx_check(adapter))
2220 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2221
2222 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2223
b5e5492c
AKS		 2224 qlcnic_free_lb_filters_mem(adapter);
2225
af19b491
AKS		 2226 qlcnic_teardown_intr(adapter);
2227
13159183 2228 qlcnic_remove_sysfs(adapter);
af19b491 2229
f1a094a8 2230 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2231
2232 qlcnic_release_firmware(adapter);
2233
451724c8 2234 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2235 pci_release_regions(pdev);
2236 pci_disable_device(pdev);
2237 pci_set_drvdata(pdev, NULL);
2238
13159183
SC		 2239 if (adapter->qlcnic_wq) {
2240 destroy_workqueue(adapter->qlcnic_wq);
2241 adapter->qlcnic_wq = NULL;
2242 }
b1fc6d3c 2243 qlcnic_free_adapter_resources(adapter);
13159183 2244 kfree(ahw);
af19b491
AKS		 2245 free_netdev(netdev);
2246}
2247static int __qlcnic_shutdown(struct pci_dev *pdev)
2248{
2249 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2250 struct net_device *netdev = adapter->netdev;
2251 int retval;
2252
2253 netif_device_detach(netdev);
2254
13159183 2255 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2256
2257 if (netif_running(netdev))
2258 qlcnic_down(adapter, netdev);
2259
97d8105c 2260 qlcnic_sriov_cleanup(adapter);
97ee45eb
SC		 2261 if (qlcnic_82xx_check(adapter))
2262 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2263
2264 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2265
2266 retval = pci_save_state(pdev);
2267 if (retval)
2268 return retval;
97ee45eb
SC		 2269 if (qlcnic_82xx_check(adapter)) {
2270 if (qlcnic_wol_supported(adapter)) {
2271 pci_enable_wake(pdev, PCI_D3cold, 1);
2272 pci_enable_wake(pdev, PCI_D3hot, 1);
2273 }
af19b491
AKS		 2274 }
2275
2276 return 0;
2277}
2278
2279static void qlcnic_shutdown(struct pci_dev *pdev)
2280{
2281 if (__qlcnic_shutdown(pdev))
2282 return;
2283
2284 pci_disable_device(pdev);
2285}
2286
2287#ifdef CONFIG_PM
2288static int
2289qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2290{
2291 int retval;
2292
2293 retval = __qlcnic_shutdown(pdev);
2294 if (retval)
2295 return retval;
2296
2297 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2298 return 0;
2299}
2300
2301static int
2302qlcnic_resume(struct pci_dev *pdev)
2303{
2304 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2305 struct net_device *netdev = adapter->netdev;
2306 int err;
2307
2308 err = pci_enable_device(pdev);
2309 if (err)
2310 return err;
2311
2312 pci_set_power_state(pdev, PCI_D0);
2313 pci_set_master(pdev);
2314 pci_restore_state(pdev);
2315
13159183 2316 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2317 if (err) {
2318 dev_err(&pdev->dev, "failed to start firmware\n");
2319 return err;
2320 }
2321
2322 if (netif_running(netdev)) {
af19b491
AKS		 2323 err = qlcnic_up(adapter, netdev);
2324 if (err)
52486a3a 2325 goto done;
af19b491 2326
aec1e845 2327 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2328 }
52486a3a 2329done:
af19b491
AKS		 2330 netif_device_attach(netdev);
2331 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2332 return 0;
af19b491
AKS		 2333}
2334#endif
2335
2336static int qlcnic_open(struct net_device *netdev)
2337{
2338 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2339 int err;
2340
c55ad8e5
AKS		 2341 netif_carrier_off(netdev);
2342
af19b491
AKS		 2343 err = qlcnic_attach(adapter);
2344 if (err)
2345 return err;
2346
2347 err = __qlcnic_up(adapter, netdev);
2348 if (err)
2349 goto err_out;
2350
2351 netif_start_queue(netdev);
2352
2353 return 0;
2354
2355err_out:
2356 qlcnic_detach(adapter);
2357 return err;
2358}
2359
2360/*
2361 * qlcnic_close - Disables a network interface entry point
2362 */
2363static int qlcnic_close(struct net_device *netdev)
2364{
2365 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2366
2367 __qlcnic_down(adapter, netdev);
13159183 2368
af19b491
AKS		 2369 return 0;
2370}
2371
e5dcf6dc 2372void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2373{
2374 void *head;
2375 int i;
13159183
SC		 2376 struct net_device *netdev = adapter->netdev;
2377 u32 filter_size = 0;
2378 u16 act_pci_func = 0;
b5e5492c 2379
e5dcf6dc 2380 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2381 return;
2382
13159183 2383 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2384 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2385 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2386
13159183
SC		 2387 if (qlcnic_82xx_check(adapter)) {
2388 filter_size = QLCNIC_LB_MAX_FILTERS;
2389 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2390 } else {
2391 filter_size = QLC_83XX_LB_MAX_FILTERS;
2392 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2393 }
2394
2395 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2396 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2397
b5e5492c
AKS		 2398 if (!head)
2399 return;
2400
13159183 2401 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2402 adapter->fhash.fhead = head;
b5e5492c 2403
13159183
SC		 2404 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2405 act_pci_func, adapter->fhash.fmax);
2406
2407 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2408 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2409
2410 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2411
2412 head = kcalloc(adapter->rx_fhash.fbucket_size,
2413 sizeof(struct hlist_head), GFP_ATOMIC);
2414
2415 if (!head)
2416 return;
2417
2418 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2419 adapter->rx_fhash.fhead = head;
2420
2421 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2422 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2423}
2424
2425static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2426{
2427 if (adapter->fhash.fmax && adapter->fhash.fhead)
2428 kfree(adapter->fhash.fhead);
2429
2430 adapter->fhash.fhead = NULL;
2431 adapter->fhash.fmax = 0;
53643a75
SS		 2432
2433 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2434 kfree(adapter->rx_fhash.fhead);
2435
2436 adapter->rx_fhash.fmax = 0;
2437 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2438}
2439
629263ac 2440int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2441{
2442 struct net_device *netdev = adapter->netdev;
97ee45eb 2443 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2444 int rv = 0;
2445
13159183
SC		 2446 if (qlcnic_83xx_check(adapter))
2447 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2448
97ee45eb 2449 if (qlcnic_82xx_check(adapter))
a15ebd37 2450 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2451
2452 temp_state = qlcnic_get_temp_state(temp);
2453 temp_val = qlcnic_get_temp_val(temp);
2454
2455 if (temp_state == QLCNIC_TEMP_PANIC) {
2456 dev_err(&netdev->dev,
2457 "Device temperature %d degrees C exceeds"
2458 " maximum allowed. Hardware has been shut down.\n",
2459 temp_val);
2460 rv = 1;
2461 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2462 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2463 dev_err(&netdev->dev,
2464 "Device temperature %d degrees C "
2465 "exceeds operating range."
2466 " Immediate action needed.\n",
2467 temp_val);
2468 }
2469 } else {
79788450 2470 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2471 dev_info(&netdev->dev,
2472 "Device temperature is now %d degrees C"
2473 " in normal range.\n", temp_val);
2474 }
2475 }
79788450 2476 adapter->ahw->temp = temp_state;
af19b491
AKS		 2477 return rv;
2478}
2479
af19b491
AKS		 2480static void qlcnic_tx_timeout(struct net_device *netdev)
2481{
2482 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2483
2484 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2485 return;
2486
536faa61
SC		 2487 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2488 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2489 if (qlcnic_82xx_check(adapter))
2490 adapter->need_fw_reset = 1;
2491 else if (qlcnic_83xx_check(adapter))
2492 qlcnic_83xx_idc_request_reset(adapter,
2493 QLCNIC_FORCE_FW_DUMP_KEY);
2494 } else {
2495 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
79788450 2496 adapter->ahw->reset_context = 1;
536faa61 2497 }
af19b491
AKS		 2498}
2499
2500static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2501{
2502 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2503 struct net_device_stats *stats = &netdev->stats;
2504
af19b491
AKS		 2505 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2506 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2507 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2508 stats->tx_bytes = adapter->stats.txbytes;
2509 stats->rx_dropped = adapter->stats.rxdropped;
2510 stats->tx_dropped = adapter->stats.txdropped;
2511
2512 return stats;
2513}
2514
7e2cf4fe 2515irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2516{
af19b491
AKS		 2517 u32 status;
2518
2519 status = readl(adapter->isr_int_vec);
2520
79788450 2521 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2522 return IRQ_NONE;
2523
2524 /* check interrupt state machine, to be sure */
2525 status = readl(adapter->crb_int_state_reg);
2526 if (!ISR_LEGACY_INT_TRIGGERED(status))
2527 return IRQ_NONE;
2528
2529 writel(0xffffffff, adapter->tgt_status_reg);
2530 /* read twice to ensure write is flushed */
2531 readl(adapter->isr_int_vec);
2532 readl(adapter->isr_int_vec);
2533
7eb9855d
AKS		 2534 return IRQ_HANDLED;
2535}
2536
2537static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2538{
2539 struct qlcnic_host_sds_ring *sds_ring = data;
2540 struct qlcnic_adapter *adapter = sds_ring->adapter;
2541
2542 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2543 goto done;
2544 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2545 writel(0xffffffff, adapter->tgt_status_reg);
2546 goto done;
2547 }
2548
2549 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2550 return IRQ_NONE;
2551
2552done:
79788450 2553 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2554 qlcnic_enable_int(sds_ring);
2555 return IRQ_HANDLED;
2556}
2557
2558static irqreturn_t qlcnic_intr(int irq, void *data)
2559{
2560 struct qlcnic_host_sds_ring *sds_ring = data;
2561 struct qlcnic_adapter *adapter = sds_ring->adapter;
2562
2563 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2564 return IRQ_NONE;
2565
af19b491
AKS		 2566 napi_schedule(&sds_ring->napi);
2567
2568 return IRQ_HANDLED;
2569}
2570
2571static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2572{
2573 struct qlcnic_host_sds_ring *sds_ring = data;
2574 struct qlcnic_adapter *adapter = sds_ring->adapter;
2575
2576 /* clear interrupt */
2577 writel(0xffffffff, adapter->tgt_status_reg);
2578
2579 napi_schedule(&sds_ring->napi);
2580 return IRQ_HANDLED;
2581}
2582
2583static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2584{
2585 struct qlcnic_host_sds_ring *sds_ring = data;
2586
2587 napi_schedule(&sds_ring->napi);
2588 return IRQ_HANDLED;
2589}
2590
13159183
SC		 2591static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2592{
2593 struct qlcnic_host_tx_ring *tx_ring = data;
2594
2595 napi_schedule(&tx_ring->napi);
2596 return IRQ_HANDLED;
2597}
2598
af19b491
AKS		 2599#ifdef CONFIG_NET_POLL_CONTROLLER
2600static void qlcnic_poll_controller(struct net_device *netdev)
2601{
bf82791e
YL		 2602 int ring;
2603 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2604 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2605 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2606
af19b491 2607 disable_irq(adapter->irq);
bf82791e
YL		 2608 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2609 sds_ring = &recv_ctx->sds_rings[ring];
2610 qlcnic_intr(adapter->irq, sds_ring);
2611 }
af19b491
AKS		 2612 enable_irq(adapter->irq);
2613}
2614#endif
2615
6df900e9
SC		 2616static void
2617qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2618{
2619 u32 val;
2620
2621 val = adapter->portnum & 0xf;
2622 val |= encoding << 7;
2623 val |= (jiffies - adapter->dev_rst_time) << 8;
2624
a15ebd37 2625 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2626 adapter->dev_rst_time = jiffies;
2627}
2628
ade91f8e
AKS		 2629static int
2630qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2631{
2632 u32 val;
2633
2634 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2635 state != QLCNIC_DEV_NEED_QUISCENT);
2636
2637 if (qlcnic_api_lock(adapter))
ade91f8e 2638 return -EIO;
af19b491 2639
a15ebd37 2640 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2641
2642 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2643 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2644 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2645 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2646
a15ebd37 2647 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2648
2649 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2650
2651 return 0;
af19b491
AKS		 2652}
2653
1b95a839
AKS		 2654static int
2655qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2656{
2657 u32 val;
2658
2659 if (qlcnic_api_lock(adapter))
2660 return -EBUSY;
2661
a15ebd37 2662 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2663 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2664 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2665
2666 qlcnic_api_unlock(adapter);
2667
2668 return 0;
2669}
2670
af19b491 2671static void
21854f02 2672qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2673{
2674 u32 val;
2675
2676 if (qlcnic_api_lock(adapter))
2677 goto err;
2678
a15ebd37 2679 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2680 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2681 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2682
21854f02 2683 if (failed) {
a15ebd37
HM		 2684 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2685 QLCNIC_DEV_FAILED);
21854f02
AKS		 2686 dev_info(&adapter->pdev->dev,
2687 "Device state set to Failed. Please Reboot\n");
2688 } else if (!(val & 0x11111111))
a15ebd37
HM		 2689 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2690 QLCNIC_DEV_COLD);
af19b491 2691
a15ebd37 2692 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2693 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2694 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2695
2696 qlcnic_api_unlock(adapter);
2697err:
2698 adapter->fw_fail_cnt = 0;
032a13c7 2699 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2700 clear_bit(__QLCNIC_START_FW, &adapter->state);
2701 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2702}
2703
f73dfc50 2704/* Grab api lock, before checking state */
af19b491
AKS		 2705static int
2706qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2707{
602ca6f0 2708 int act, state, active_mask;
a15ebd37 2709 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2710
a15ebd37
HM		 2711 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2712 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2713
602ca6f0 2714 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2715 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2716 act = act & active_mask;
2717 }
2718
af19b491
AKS		 2719 if (((state & 0x11111111) == (act & 0x11111111)) ||
2720 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2721 return 0;
2722 else
2723 return 1;
2724}
2725
96f8118c
SC		 2726static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2727{
a15ebd37 2728 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2729
2730 if (val != QLCNIC_DRV_IDC_VER) {
2731 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2732 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2733 }
2734
2735 return 0;
2736}
2737
af19b491
AKS		 2738static int
2739qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2740{
2741 u32 val, prev_state;
aa5e18c0 2742 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2743 u8 portnum = adapter->portnum;
96f8118c 2744 u8 ret;
af19b491 2745
f73dfc50
AKS		 2746 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2747 return 1;
2748
af19b491
AKS		 2749 if (qlcnic_api_lock(adapter))
2750 return -1;
2751
a15ebd37 2752 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2753 if (!(val & (1 << (portnum * 4)))) {
2754 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2755 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2756 }
2757
a15ebd37 2758 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2759 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2760
2761 switch (prev_state) {
2762 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2763 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2764 QLCNIC_DEV_INITIALIZING);
2765 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2766 QLCNIC_DRV_IDC_VER);
6df900e9 2767 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2768 qlcnic_api_unlock(adapter);
2769 return 1;
2770
2771 case QLCNIC_DEV_READY:
96f8118c 2772 ret = qlcnic_check_idc_ver(adapter);
af19b491 2773 qlcnic_api_unlock(adapter);
96f8118c 2774 return ret;
af19b491
AKS		 2775
2776 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2777 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2778 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2779 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2780 break;
2781
2782 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2783 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2784 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2785 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2786 break;
2787
2788 case QLCNIC_DEV_FAILED:
a7fc948f 2789 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2790 qlcnic_api_unlock(adapter);
2791 return -1;
bbd8c6a4
AKS		 2792
2793 case QLCNIC_DEV_INITIALIZING:
2794 case QLCNIC_DEV_QUISCENT:
2795 break;
af19b491
AKS		 2796 }
2797
2798 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2799
2800 do {
af19b491 2801 msleep(1000);
a15ebd37 2802 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2803
2804 if (prev_state == QLCNIC_DEV_QUISCENT)
2805 continue;
2806 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2807
65b5b420
AKS		 2808 if (!dev_init_timeo) {
2809 dev_err(&adapter->pdev->dev,
2810 "Waiting for device to initialize timeout\n");
af19b491 2811 return -1;
65b5b420 2812 }
af19b491
AKS		 2813
2814 if (qlcnic_api_lock(adapter))
2815 return -1;
2816
a15ebd37 2817 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2818 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2819 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2820
96f8118c 2821 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2822 qlcnic_api_unlock(adapter);
2823
96f8118c 2824 return ret;
af19b491
AKS		 2825}
2826
2827static void
2828qlcnic_fwinit_work(struct work_struct *work)
2829{
2830 struct qlcnic_adapter *adapter = container_of(work,
2831 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2832 u32 dev_state = 0xf;
7b749ff4 2833 u32 val;
af19b491 2834
f73dfc50
AKS		 2835 if (qlcnic_api_lock(adapter))
2836 goto err_ret;
af19b491 2837
a15ebd37 2838 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2839 if (dev_state == QLCNIC_DEV_QUISCENT ||
2840 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2841 qlcnic_api_unlock(adapter);
2842 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2843 FW_POLL_DELAY * 2);
2844 return;
2845 }
2846
79788450 2847 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2848 qlcnic_api_unlock(adapter);
2849 goto wait_npar;
9f26f547
AC		 2850 }
2851
16e3cf73
SV		 2852 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2853 dev_state == QLCNIC_DEV_READY) {
2854 dev_info(&adapter->pdev->dev, "Detected state change from "
2855 "DEV_NEED_RESET, skipping ack check\n");
2856 goto skip_ack_check;
2857 }
2858
f73dfc50 2859 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2860 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2861 adapter->reset_ack_timeo);
2862 goto skip_ack_check;
2863 }
2864
2865 if (!qlcnic_check_drv_state(adapter)) {
2866skip_ack_check:
a15ebd37 2867 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2868
f73dfc50 2869 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2870 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2871 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2872 set_bit(__QLCNIC_START_FW, &adapter->state);
2873 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2874 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2875 val = QLC_SHARED_REG_RD32(adapter,
2876 QLCNIC_CRB_DRV_STATE);
7b749ff4 2877 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2878 QLC_SHARED_REG_WR32(adapter,
2879 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2880 }
2881
f73dfc50
AKS		 2882 qlcnic_api_unlock(adapter);
2883
287e38aa 2884 rtnl_lock();
7b749ff4
SV		 2885 if (adapter->ahw->fw_dump.enable &&
2886 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2887 QLCDB(adapter, DRV, "Take FW dump\n");
2888 qlcnic_dump_fw(adapter);
032a13c7 2889 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2890 }
287e38aa 2891 rtnl_unlock();
7b749ff4
SV		 2892
2893 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2894 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2895 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2896 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2897 return;
2898 }
af19b491
AKS		 2899 goto err_ret;
2900 }
2901
f73dfc50 2902 qlcnic_api_unlock(adapter);
aa5e18c0 2903
9f26f547 2904wait_npar:
a15ebd37 2905 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2906 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2907
af19b491 2908 switch (dev_state) {
3c4b23b1 2909 case QLCNIC_DEV_READY:
7e2cf4fe 2910 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2911 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2912 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2913 return;
2914 }
3c4b23b1
AKS		 2915 case QLCNIC_DEV_FAILED:
2916 break;
2917 default:
2918 qlcnic_schedule_work(adapter,
2919 qlcnic_fwinit_work, FW_POLL_DELAY);
2920 return;
af19b491
AKS		 2921 }
2922
2923err_ret:
f73dfc50
AKS		 2924 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2925 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2926 netif_device_attach(adapter->netdev);
21854f02 2927 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2928}
2929
2930static void
2931qlcnic_detach_work(struct work_struct *work)
2932{
2933 struct qlcnic_adapter *adapter = container_of(work,
2934 struct qlcnic_adapter, fw_work.work);
2935 struct net_device *netdev = adapter->netdev;
2936 u32 status;
2937
2938 netif_device_detach(netdev);
2939
b8c17620
AKS		 2940 /* Dont grab rtnl lock during Quiscent mode */
2941 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2942 if (netif_running(netdev))
2943 __qlcnic_down(adapter, netdev);
2944 } else
2945 qlcnic_down(adapter, netdev);
af19b491 2946
a15ebd37 2947 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2948
44f65b29
SC		 2949 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2950 dev_err(&adapter->pdev->dev,
2951 "Detaching the device: peg halt status1=0x%x\n",
2952 status);
2953
2954 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2955 dev_err(&adapter->pdev->dev,
2956 "On board active cooling fan failed. "
2957 "Device has been halted.\n");
2958 dev_err(&adapter->pdev->dev,
2959 "Replace the adapter.\n");
2960 }
2961
af19b491 2962 goto err_ret;
44f65b29 2963 }
af19b491 2964
79788450 2965 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2966 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2967 adapter->ahw->temp);
af19b491 2968 goto err_ret;
44f65b29
SC		 2969 }
2970
602ca6f0
SV		 2971 /* Dont ack if this instance is the reset owner */
2972 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2973 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2974 dev_err(&adapter->pdev->dev,
2975 "Failed to set driver state,"
2976 "detaching the device.\n");
602ca6f0 2977 goto err_ret;
44f65b29 2978 }
602ca6f0 2979 }
af19b491
AKS		 2980
2981 adapter->fw_wait_cnt = 0;
2982
2983 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2984
2985 return;
2986
2987err_ret:
34ce3626 2988 netif_device_attach(netdev);
21854f02 2989 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2990}
2991
3c4b23b1
AKS		 2992/*Transit NPAR state to NON Operational */
2993static void
2994qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2995{
2996 u32 state;
2997
a15ebd37 2998 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2999 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3000 return;
3001
3002 if (qlcnic_api_lock(adapter))
3003 return;
a15ebd37
HM		 3004 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3005 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3006 qlcnic_api_unlock(adapter);
3007}
3008
7e2cf4fe 3009void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 3010{
646779f1
SV		 3011 u32 state, xg_val = 0, gb_val = 0;
3012
3013 qlcnic_xg_set_xg0_mask(xg_val);
3014 qlcnic_xg_set_xg1_mask(xg_val);
3015 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3016 qlcnic_gb_set_gb0_mask(gb_val);
3017 qlcnic_gb_set_gb1_mask(gb_val);
3018 qlcnic_gb_set_gb2_mask(gb_val);
3019 qlcnic_gb_set_gb3_mask(gb_val);
3020 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3021 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3022 " on all ports\n");
cea8975e 3023 adapter->need_fw_reset = 1;
13159183 3024
af19b491
AKS		 3025 if (qlcnic_api_lock(adapter))
3026 return;
3027
13159183 3028 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 3029
f73dfc50 3030 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3031 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3032 QLCNIC_DEV_NEED_RESET);
602ca6f0 3033 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3034 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3035 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3036 }
3037
13159183
SC		 3038 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3039 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3040 qlcnic_api_unlock(adapter);
3041}
3042
9f26f547
AC		 3043/* Transit to NPAR READY state from NPAR NOT READY state */
3044static void
3045qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3046{
9f26f547
AC		 3047 if (qlcnic_api_lock(adapter))
3048 return;
3049
a15ebd37
HM		 3050 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3051 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3052 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3053
3054 qlcnic_api_unlock(adapter);
3055}
3056
13159183
SC		 3057void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3058 work_func_t func, int delay)
af19b491 3059{
451724c8
SC		 3060 if (test_bit(__QLCNIC_AER, &adapter->state))
3061 return;
3062
af19b491 3063 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3064 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3065 round_jiffies_relative(delay));
af19b491
AKS		 3066}
3067
3068static void
3069qlcnic_attach_work(struct work_struct *work)
3070{
3071 struct qlcnic_adapter *adapter = container_of(work,
3072 struct qlcnic_adapter, fw_work.work);
3073 struct net_device *netdev = adapter->netdev;
b18971d1 3074 u32 npar_state;
af19b491 3075
79788450 3076 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3077 npar_state = QLC_SHARED_REG_RD32(adapter,
3078 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3079 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3080 qlcnic_clr_all_drv_state(adapter, 0);
3081 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3082 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3083 FW_POLL_DELAY);
3084 else
3085 goto attach;
3086 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3087 return;
3088 }
3089attach:
af19b491 3090 if (netif_running(netdev)) {
52486a3a 3091 if (qlcnic_up(adapter, netdev))
af19b491 3092 goto done;
af19b491 3093
aec1e845 3094 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3095 }
3096
af19b491 3097done:
34ce3626 3098 netif_device_attach(netdev);
af19b491 3099 adapter->fw_fail_cnt = 0;
032a13c7 3100 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3101 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 3102
3103 if (!qlcnic_clr_drv_state(adapter))
3104 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3105 FW_POLL_DELAY);
af19b491
AKS		 3106}
3107
3108static int
3109qlcnic_check_health(struct qlcnic_adapter *adapter)
3110{
4e70812b 3111 u32 state = 0, heartbeat;
853d4bca 3112 u32 peg_status;
af19b491
AKS		 3113
3114 if (qlcnic_check_temp(adapter))
3115 goto detach;
3116
2372a5f1 3117 if (adapter->need_fw_reset)
7e2cf4fe 3118 qlcnic_dev_request_reset(adapter, 0);
af19b491 3119
a15ebd37 3120 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3121 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3122 qlcnic_set_npar_non_operational(adapter);
af19b491 3123 adapter->need_fw_reset = 1;
b8c17620
AKS		 3124 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3125 goto detach;
af19b491 3126
a15ebd37 3127 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3128 if (heartbeat != adapter->heartbeat) {
3129 adapter->heartbeat = heartbeat;
af19b491
AKS		 3130 adapter->fw_fail_cnt = 0;
3131 if (adapter->need_fw_reset)
3132 goto detach;
68bf1c68 3133
0ce54ce4 3134 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3135 qlcnic_reset_hw_context(adapter);
68bf1c68 3136
af19b491
AKS		 3137 return 0;
3138 }
3139
3140 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3141 return 0;
3142
032a13c7
SV		 3143 adapter->flags |= QLCNIC_FW_HANG;
3144
7e2cf4fe 3145 qlcnic_dev_request_reset(adapter, 0);
af19b491 3146
099f7aa7 3147 if (qlcnic_auto_fw_reset)
0df170b6 3148 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3149
853d4bca 3150 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3151 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3152 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3153 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3154 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3155 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3156 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3157 peg_status,
3158 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 3159 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3160 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3161 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3162 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3163 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 3164 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3165 dev_err(&adapter->pdev->dev,
3166 "Firmware aborted with error code 0x00006700. "
3167 "Device is being reset.\n");
af19b491
AKS		 3168detach:
3169 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3170 QLCNIC_DEV_NEED_RESET;
3171
099f7aa7
SC		 3172 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3173 &adapter->state)) {
65b5b420 3174
af19b491 3175 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3176 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3177 }
af19b491
AKS		 3178
3179 return 1;
3180}
3181
3182static void
3183qlcnic_fw_poll_work(struct work_struct *work)
3184{
3185 struct qlcnic_adapter *adapter = container_of(work,
3186 struct qlcnic_adapter, fw_work.work);
3187
3188 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3189 goto reschedule;
3190
3191
3192 if (qlcnic_check_health(adapter))
3193 return;
3194
b5e5492c
AKS		 3195 if (adapter->fhash.fnum)
3196 qlcnic_prune_lb_filters(adapter);
3197
af19b491
AKS		 3198reschedule:
3199 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3200}
3201
451724c8
SC		 3202static int qlcnic_is_first_func(struct pci_dev *pdev)
3203{
3204 struct pci_dev *oth_pdev;
3205 int val = pdev->devfn;
3206
3207 while (val-- > 0) {
3208 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3209 (pdev->bus), pdev->bus->number,
3210 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3211 if (!oth_pdev)
3212 continue;
451724c8 3213
bfc978fa
AKS		 3214 if (oth_pdev->current_state != PCI_D3cold) {
3215 pci_dev_put(oth_pdev);
451724c8 3216 return 0;
bfc978fa
AKS		 3217 }
3218 pci_dev_put(oth_pdev);
451724c8
SC		 3219 }
3220 return 1;
3221}
3222
3223static int qlcnic_attach_func(struct pci_dev *pdev)
3224{
3225 int err, first_func;
3226 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3227 struct net_device *netdev = adapter->netdev;
3228
3229 pdev->error_state = pci_channel_io_normal;
3230
3231 err = pci_enable_device(pdev);
3232 if (err)
3233 return err;
3234
3235 pci_set_power_state(pdev, PCI_D0);
3236 pci_set_master(pdev);
3237 pci_restore_state(pdev);
3238
3239 first_func = qlcnic_is_first_func(pdev);
3240
3241 if (qlcnic_api_lock(adapter))
3242 return -EINVAL;
3243
79788450 3244 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3245 adapter->need_fw_reset = 1;
3246 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3247 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3248 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3249 QLCDB(adapter, DRV, "Restarting fw\n");
3250 }
3251 qlcnic_api_unlock(adapter);
3252
13159183 3253 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3254 if (err)
3255 return err;
3256
3257 qlcnic_clr_drv_state(adapter);
13159183
SC		 3258 kfree(adapter->msix_entries);
3259 adapter->msix_entries = NULL;
3260 err = qlcnic_setup_intr(adapter, 0);
3261
9a97e705
M		 3262 if (err) {
3263 kfree(adapter->msix_entries);
3264 netdev_err(netdev, "failed to setup interrupt\n");
3265 return err;
3266 }
3267
13159183 3268 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3269 /* register for NIC IDC AEN Events */
3270 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3271 err = qlcnic_83xx_setup_mbx_intr(adapter);
3272 if (err) {
3273 dev_err(&adapter->pdev->dev,
3274 "failed to setup mbx interrupt\n");
3275 qlcnic_clr_all_drv_state(adapter, 1);
3276 clear_bit(__QLCNIC_AER, &adapter->state);
3277 goto done;
3278 }
3279 }
451724c8
SC		 3280
3281 if (netif_running(netdev)) {
3282 err = qlcnic_attach(adapter);
3283 if (err) {
21854f02 3284 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3285 clear_bit(__QLCNIC_AER, &adapter->state);
3286 netif_device_attach(netdev);
3287 return err;
3288 }
3289
3290 err = qlcnic_up(adapter, netdev);
3291 if (err)
3292 goto done;
3293
aec1e845 3294 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3295 }
3296 done:
3297 netif_device_attach(netdev);
3298 return err;
3299}
3300
3301static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3302 pci_channel_state_t state)
3303{
3304 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3305 struct net_device *netdev = adapter->netdev;
3306
3307 if (state == pci_channel_io_perm_failure)
3308 return PCI_ERS_RESULT_DISCONNECT;
3309
3310 if (state == pci_channel_io_normal)
3311 return PCI_ERS_RESULT_RECOVERED;
3312
3313 set_bit(__QLCNIC_AER, &adapter->state);
3314 netif_device_detach(netdev);
3315
3316 cancel_delayed_work_sync(&adapter->fw_work);
3317
3318 if (netif_running(netdev))
3319 qlcnic_down(adapter, netdev);
3320
13159183 3321 if (qlcnic_83xx_check(adapter)) {
13159183 3322 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3323 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3324 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3325 }
3326
451724c8
SC		 3327 qlcnic_detach(adapter);
3328 qlcnic_teardown_intr(adapter);
3329
3330 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3331
3332 pci_save_state(pdev);
3333 pci_disable_device(pdev);
3334
3335 return PCI_ERS_RESULT_NEED_RESET;
3336}
3337
3338static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3339{
3340 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3341 PCI_ERS_RESULT_RECOVERED;
3342}
3343
3344static void qlcnic_io_resume(struct pci_dev *pdev)
3345{
a15ebd37 3346 u32 state;
451724c8
SC		 3347 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3348
3349 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3350 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3351 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3352 &adapter->state))
451724c8
SC		 3353 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3354 FW_POLL_DELAY);
3355}
3356
87eb743b
AC		 3357static int
3358qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3359{
3360 int err;
3361
3362 err = qlcnic_can_start_firmware(adapter);
3363 if (err)
3364 return err;
3365
78f84e1a
AKS		 3366 err = qlcnic_check_npar_opertional(adapter);
3367 if (err)
3368 return err;
3c4b23b1 3369
174240a8
RB		 3370 err = qlcnic_initialize_nic(adapter);
3371 if (err)
3372 return err;
3373
87eb743b
AC		 3374 qlcnic_check_options(adapter);
3375
7373373d
RB		 3376 err = qlcnic_set_eswitch_port_config(adapter);
3377 if (err)
3378 return err;
3379
87eb743b
AC		 3380 adapter->need_fw_reset = 0;
3381
3382 return err;
3383}
3384
6389b76d
MC		 3385int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3386 __u32 val)
f94bc1e7 3387{
6389b76d
MC		 3388 struct net_device *netdev = adapter->netdev;
3389 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3390 u32 max_allowed;
3391
6389b76d
MC		 3392 if (val > QLC_MAX_SDS_RINGS) {
3393 netdev_err(netdev, "RSS value should not be higher than %u\n",
3394 QLC_MAX_SDS_RINGS);
3395 return -EINVAL;
f94bc1e7
SC		 3396 }
3397
319ecf12
SC		 3398 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3399 num_online_cpus()));
3400 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3401 if (!is_power_of_2(val))
3402 netdev_err(netdev, "RSS value should be a power of 2\n");
3403
3404 if (val < 2)
3405 netdev_err(netdev, "RSS value should not be lower than 2\n");
3406
3407 if (val > max_hw)
3408 netdev_err(netdev,
3409 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3410 max_hw);
3411
3412 if (val > num_online_cpus())
3413 netdev_err(netdev,
3414 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3415 num_online_cpus());
3416
3417 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3418
f94bc1e7
SC		 3419 return -EINVAL;
3420 }
3421 return 0;
f94bc1e7
SC		 3422}
3423
319ecf12 3424int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3425{
13159183 3426 int err;
f94bc1e7 3427 struct net_device *netdev = adapter->netdev;
f94bc1e7 3428
319ecf12
SC		 3429 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3430 return -EBUSY;
3431
f94bc1e7
SC		 3432 netif_device_detach(netdev);
3433 if (netif_running(netdev))
3434 __qlcnic_down(adapter, netdev);
13159183 3435
7dd90cf1
SC		 3436 qlcnic_detach(adapter);
3437
7ed3ce48 3438 if (qlcnic_83xx_check(adapter)) {
13159183 3439 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3440 qlcnic_83xx_enable_mbx_poll(adapter);
3441 }
13159183 3442
f94bc1e7 3443 qlcnic_teardown_intr(adapter);
319ecf12 3444 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3445 if (err) {
3446 kfree(adapter->msix_entries);
3447 netdev_err(netdev, "failed to setup interrupt\n");
3448 return err;
3449 }
f94bc1e7 3450
13159183 3451 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3452 /* register for NIC IDC AEN Events */
3453 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3454 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3455 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3456 if (err) {
3457 dev_err(&adapter->pdev->dev,
3458 "failed to setup mbx interrupt\n");
3459 goto done;
3460 }
f94bc1e7
SC		 3461 }
3462
3463 if (netif_running(netdev)) {
3464 err = qlcnic_attach(adapter);
3465 if (err)
3466 goto done;
3467 err = __qlcnic_up(adapter, netdev);
3468 if (err)
3469 goto done;
3470 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3471 }
319ecf12 3472 err = len;
f94bc1e7
SC		 3473 done:
3474 netif_device_attach(netdev);
3475 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3476 return err;
3477}
3478
af19b491
AKS		 3479#ifdef CONFIG_INET
3480
3481#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3482
af19b491 3483static void
aec1e845
AKS		 3484qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3485 struct net_device *dev, unsigned long event)
af19b491
AKS		 3486{
3487 struct in_device *indev;
af19b491 3488
af19b491
AKS		 3489 indev = in_dev_get(dev);
3490 if (!indev)
3491 return;
3492
3493 for_ifa(indev) {
3494 switch (event) {
3495 case NETDEV_UP:
3496 qlcnic_config_ipaddr(adapter,
3497 ifa->ifa_address, QLCNIC_IP_UP);
3498 break;
3499 case NETDEV_DOWN:
3500 qlcnic_config_ipaddr(adapter,
3501 ifa->ifa_address, QLCNIC_IP_DOWN);
3502 break;
3503 default:
3504 break;
3505 }
3506 } endfor_ifa(indev);
3507
3508 in_dev_put(indev);
af19b491
AKS		 3509}
3510
319ecf12 3511void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3512{
3513 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3514 struct net_device *dev;
3515 u16 vid;
3516
3517 qlcnic_config_indev_addr(adapter, netdev, event);
3518
43c00a75 3519 rcu_read_lock();
b9796a14 3520 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3521 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3522 if (!dev)
3523 continue;
aec1e845
AKS		 3524 qlcnic_config_indev_addr(adapter, dev, event);
3525 }
43c00a75 3526 rcu_read_unlock();
aec1e845
AKS		 3527}
3528
af19b491
AKS		 3529static int qlcnic_netdev_event(struct notifier_block *this,
3530 unsigned long event, void *ptr)
3531{
3532 struct qlcnic_adapter *adapter;
351638e7 3533 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 3534
3535recheck:
3536 if (dev == NULL)
3537 goto done;
3538
3539 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3540 dev = vlan_dev_real_dev(dev);
3541 goto recheck;
3542 }
3543
3544 if (!is_qlcnic_netdev(dev))
3545 goto done;
3546
3547 adapter = netdev_priv(dev);
3548
3549 if (!adapter)
3550 goto done;
3551
8a15ad1f 3552 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3553 goto done;
3554
aec1e845 3555 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3556done:
3557 return NOTIFY_DONE;
3558}
3559
3560static int
3561qlcnic_inetaddr_event(struct notifier_block *this,
3562 unsigned long event, void *ptr)
3563{
3564 struct qlcnic_adapter *adapter;
3565 struct net_device *dev;
3566
3567 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3568
3569 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3570
3571recheck:
aec1e845 3572 if (dev == NULL)
af19b491
AKS		 3573 goto done;
3574
3575 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3576 dev = vlan_dev_real_dev(dev);
3577 goto recheck;
3578 }
3579
3580 if (!is_qlcnic_netdev(dev))
3581 goto done;
3582
3583 adapter = netdev_priv(dev);
3584
251a84c9 3585 if (!adapter)
af19b491
AKS		 3586 goto done;
3587
8a15ad1f 3588 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3589 goto done;
3590
3591 switch (event) {
3592 case NETDEV_UP:
3593 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3594
af19b491
AKS		 3595 break;
3596 case NETDEV_DOWN:
3597 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3598
af19b491
AKS		 3599 break;
3600 default:
3601 break;
3602 }
3603
3604done:
3605 return NOTIFY_DONE;
3606}
3607
3608static struct notifier_block qlcnic_netdev_cb = {
3609 .notifier_call = qlcnic_netdev_event,
3610};
3611
3612static struct notifier_block qlcnic_inetaddr_cb = {
3613 .notifier_call = qlcnic_inetaddr_event,
3614};
3615#else
f8ca2b6f 3616void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3617{ }
3618#endif
fec9dd15 3619static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3620 .error_detected = qlcnic_io_error_detected,
3621 .slot_reset = qlcnic_io_slot_reset,
3622 .resume = qlcnic_io_resume,
3623};
af19b491
AKS		 3624
3625static struct pci_driver qlcnic_driver = {
3626 .name = qlcnic_driver_name,
3627 .id_table = qlcnic_pci_tbl,
3628 .probe = qlcnic_probe,
6bb58bb0 3629 .remove = qlcnic_remove,
af19b491
AKS		 3630#ifdef CONFIG_PM
3631 .suspend = qlcnic_suspend,
3632 .resume = qlcnic_resume,
3633#endif
451724c8 3634 .shutdown = qlcnic_shutdown,
02feda17
RB		 3635 .err_handler = &qlcnic_err_handler,
3636#ifdef CONFIG_QLCNIC_SRIOV
3637 .sriov_configure = qlcnic_pci_sriov_configure,
3638#endif
451724c8 3639
af19b491
AKS		 3640};
3641
3642static int __init qlcnic_init_module(void)
3643{
0cf3a14c 3644 int ret;
af19b491
AKS		 3645
3646 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3647
3648#ifdef CONFIG_INET
3649 register_netdevice_notifier(&qlcnic_netdev_cb);
3650 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3651#endif
3652
0cf3a14c
AKS		 3653 ret = pci_register_driver(&qlcnic_driver);
3654 if (ret) {
3655#ifdef CONFIG_INET
3656 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3657 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3658#endif
3659 }
af19b491 3660
0cf3a14c 3661 return ret;
af19b491
AKS		 3662}
3663
3664module_init(qlcnic_init_module);
3665
3666static void __exit qlcnic_exit_module(void)
3667{
af19b491
AKS		 3668 pci_unregister_driver(&qlcnic_driver);
3669
3670#ifdef CONFIG_INET
3671 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3672 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3673#endif
3674}
3675
3676module_exit(qlcnic_exit_module);
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