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Merge remote-tracking branch 'asoc/topic/ac97' into asoc-fsl
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
9fd13331 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
9fd13331 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
9fd13331 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
9fd13331 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
1dd06ae8 55static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 56static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 57static int qlcnic_open(struct net_device *netdev);
58static int qlcnic_close(struct net_device *netdev);
af19b491 59static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 60static void qlcnic_attach_work(struct work_struct *work);
61static void qlcnic_fwinit_work(struct work_struct *work);
af19b491
AKS		 62#ifdef CONFIG_NET_POLL_CONTROLLER
63static void qlcnic_poll_controller(struct net_device *netdev);
64#endif
65
6df900e9 66static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
af19b491
AKS		 67static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
68
7eb9855d 69static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 70static irqreturn_t qlcnic_intr(int irq, void *data);
71static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 73static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 74
75static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 76static int qlcnic_start_firmware(struct qlcnic_adapter *);
77
b5e5492c 78static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 79static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 80static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 81static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 83
13159183
SC		 84static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
85{
86 struct qlcnic_hardware_context *ahw = adapter->ahw;
87
88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
90 else
91 return 1;
92}
93
af19b491
AKS		 94/* PCI Device ID Table */
95#define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
98
6a902881 99static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
af19b491
AKS		 103 {0,}
104};
105
106MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
107
108
5ad6ff9d 109inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 110{
111 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 112}
113
114static const u32 msi_tgt_status[8] = {
115 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
116 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
117 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
118 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
119};
120
7e2cf4fe
SC		 121static const u32 qlcnic_reg_tbl[] = {
122 0x1B20A8, /* PEG_HALT_STAT1 */
123 0x1B20AC, /* PEG_HALT_STAT2 */
124 0x1B20B0, /* FW_HEARTBEAT */
125 0x1B2100, /* LOCK ID */
126 0x1B2128, /* FW_CAPABILITIES */
127 0x1B2138, /* drv active */
128 0x1B2140, /* dev state */
129 0x1B2144, /* drv state */
130 0x1B2148, /* drv scratch */
131 0x1B214C, /* dev partition info */
132 0x1B2174, /* drv idc ver */
133 0x1B2150, /* fw version major */
134 0x1B2154, /* fw version minor */
135 0x1B2158, /* fw version sub */
136 0x1B219C, /* npar state */
137 0x1B21FC, /* FW_IMG_VALID */
138 0x1B2250, /* CMD_PEG_STATE */
139 0x1B233C, /* RCV_PEG_STATE */
140 0x1B23B4, /* ASIC TEMP */
141 0x1B216C, /* FW api */
142 0x1B2170, /* drv op mode */
143 0x13C010, /* flash lock */
144 0x13C014, /* flash unlock */
145};
146
22999798 147static const struct qlcnic_board_info qlcnic_boards[] = {
e386cd4a
HM		 148 { PCI_VENDOR_ID_QLOGIC,
149 PCI_DEVICE_ID_QLOGIC_QLE834X,
150 PCI_VENDOR_ID_QLOGIC,
151 0x24e,
152 "8300 Series Dual Port 10GbE Converged Network Adapter "
153 "(TCP/IP Networking)" },
154 { PCI_VENDOR_ID_QLOGIC,
155 PCI_DEVICE_ID_QLOGIC_QLE834X,
156 PCI_VENDOR_ID_QLOGIC,
157 0x243,
158 "8300 Series Single Port 10GbE Converged Network Adapter "
159 "(TCP/IP Networking)" },
160 { PCI_VENDOR_ID_QLOGIC,
161 PCI_DEVICE_ID_QLOGIC_QLE834X,
162 PCI_VENDOR_ID_QLOGIC,
163 0x24a,
164 "8300 Series Dual Port 10GbE Converged Network Adapter "
165 "(TCP/IP Networking)" },
166 { PCI_VENDOR_ID_QLOGIC,
167 PCI_DEVICE_ID_QLOGIC_QLE834X,
168 PCI_VENDOR_ID_QLOGIC,
169 0x246,
170 "8300 Series Dual Port 10GbE Converged Network Adapter "
171 "(TCP/IP Networking)" },
172 { PCI_VENDOR_ID_QLOGIC,
173 PCI_DEVICE_ID_QLOGIC_QLE834X,
174 PCI_VENDOR_ID_QLOGIC,
175 0x252,
176 "8300 Series Dual Port 10GbE Converged Network Adapter "
177 "(TCP/IP Networking)" },
178 { PCI_VENDOR_ID_QLOGIC,
179 PCI_DEVICE_ID_QLOGIC_QLE834X,
180 PCI_VENDOR_ID_QLOGIC,
181 0x26e,
182 "8300 Series Dual Port 10GbE Converged Network Adapter "
183 "(TCP/IP Networking)" },
184 { PCI_VENDOR_ID_QLOGIC,
185 PCI_DEVICE_ID_QLOGIC_QLE834X,
186 PCI_VENDOR_ID_QLOGIC,
187 0x260,
188 "8300 Series Dual Port 10GbE Converged Network Adapter "
189 "(TCP/IP Networking)" },
190 { PCI_VENDOR_ID_QLOGIC,
191 PCI_DEVICE_ID_QLOGIC_QLE834X,
192 PCI_VENDOR_ID_QLOGIC,
193 0x266,
194 "8300 Series Single Port 10GbE Converged Network Adapter "
195 "(TCP/IP Networking)" },
196 { PCI_VENDOR_ID_QLOGIC,
197 PCI_DEVICE_ID_QLOGIC_QLE834X,
198 PCI_VENDOR_ID_QLOGIC,
199 0x269,
200 "8300 Series Dual Port 10GbE Converged Network Adapter "
201 "(TCP/IP Networking)" },
202 { PCI_VENDOR_ID_QLOGIC,
203 PCI_DEVICE_ID_QLOGIC_QLE834X,
204 PCI_VENDOR_ID_QLOGIC,
205 0x271,
206 "8300 Series Dual Port 10GbE Converged Network Adapter "
207 "(TCP/IP Networking)" },
208 { PCI_VENDOR_ID_QLOGIC,
209 PCI_DEVICE_ID_QLOGIC_QLE834X,
210 0x0, 0x0, "8300 Series 1/10GbE Controller" },
211 { PCI_VENDOR_ID_QLOGIC,
212 PCI_DEVICE_ID_QLOGIC_QLE824X,
213 PCI_VENDOR_ID_QLOGIC,
214 0x203,
215 "8200 Series Single Port 10GbE Converged Network Adapter"
216 "(TCP/IP Networking)" },
217 { PCI_VENDOR_ID_QLOGIC,
218 PCI_DEVICE_ID_QLOGIC_QLE824X,
219 PCI_VENDOR_ID_QLOGIC,
220 0x207,
221 "8200 Series Dual Port 10GbE Converged Network Adapter"
222 "(TCP/IP Networking)" },
223 { PCI_VENDOR_ID_QLOGIC,
224 PCI_DEVICE_ID_QLOGIC_QLE824X,
225 PCI_VENDOR_ID_QLOGIC,
226 0x20b,
227 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE824X,
230 PCI_VENDOR_ID_QLOGIC,
231 0x20c,
232 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
233 { PCI_VENDOR_ID_QLOGIC,
234 PCI_DEVICE_ID_QLOGIC_QLE824X,
235 PCI_VENDOR_ID_QLOGIC,
236 0x20f,
237 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
238 { PCI_VENDOR_ID_QLOGIC,
239 PCI_DEVICE_ID_QLOGIC_QLE824X,
240 0x103c, 0x3733,
241 "NC523SFP 10Gb 2-port Server Adapter" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 0x103c, 0x3346,
245 "CN1000Q Dual Port Converged Network Adapter" },
246 { PCI_VENDOR_ID_QLOGIC,
247 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 PCI_VENDOR_ID_QLOGIC,
249 0x210,
250 "QME8242-k 10GbE Dual Port Mezzanine Card" },
251 { PCI_VENDOR_ID_QLOGIC,
252 PCI_DEVICE_ID_QLOGIC_QLE824X,
253 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 254};
255
256#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 257#define QLC_MAX_SDS_RINGS 8
22999798 258
af19b491
AKS		 259static const
260struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
261
c70001a9 262int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 263{
264 int size = sizeof(struct qlcnic_host_sds_ring) * count;
265
266 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
267
807540ba 268 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 269}
270
c70001a9 271void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 272{
273 if (recv_ctx->sds_rings != NULL)
274 kfree(recv_ctx->sds_rings);
275
276 recv_ctx->sds_rings = NULL;
277}
278
f8468331 279int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 280{
2e9d722d 281 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 282 struct net_device *netdev = adapter->netdev;
283 struct pci_dev *pdev = adapter->pdev;
284
da48e6c3 285 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 286 return -EIO;
287
2e9d722d 288 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 289 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
290
291 /* set station address */
292
aaeb6cdf 293 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 294 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
295 netdev->dev_addr);
296
297 return 0;
298}
299
cffe52f3
MC		 300static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
301{
302 struct qlcnic_mac_list_s *cur;
303 struct list_head *head;
304
305 list_for_each(head, &adapter->mac_list) {
306 cur = list_entry(head, struct qlcnic_mac_list_s, list);
307 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
308 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
309 0, QLCNIC_MAC_DEL);
310 list_del(&cur->list);
311 kfree(cur);
312 return;
313 }
314 }
315}
316
af19b491
AKS		 317static int qlcnic_set_mac(struct net_device *netdev, void *p)
318{
319 struct qlcnic_adapter *adapter = netdev_priv(netdev);
320 struct sockaddr *addr = p;
321
7cb03b23
RB		 322 if (qlcnic_sriov_vf_check(adapter))
323 return -EINVAL;
324
7373373d
RB		 325 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
326 return -EOPNOTSUPP;
327
af19b491 328 if (!is_valid_ether_addr(addr->sa_data))
13159183 329 return -EINVAL;
af19b491 330
cffe52f3
MC		 331 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
332 return 0;
333
8a15ad1f 334 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 335 netif_device_detach(netdev);
336 qlcnic_napi_disable(adapter);
337 }
338
cffe52f3 339 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 340 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
341 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
342 qlcnic_set_multi(adapter->netdev);
343
8a15ad1f 344 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 345 netif_device_attach(netdev);
346 qlcnic_napi_enable(adapter);
347 }
348 return 0;
349}
350
1690be63
VY		 351static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
352 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 353{
354 struct qlcnic_adapter *adapter = netdev_priv(netdev);
355 int err = -EOPNOTSUPP;
356
3e5c112f
VY		 357 if (!adapter->fdb_mac_learn)
358 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 359
360 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
52e493d0
JK		 361 if (is_unicast_ether_addr(addr)) {
362 err = dev_uc_del(netdev, addr);
363 if (!err)
364 err = qlcnic_nic_del_mac(adapter, addr);
365 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 366 err = dev_mc_del(netdev, addr);
52e493d0 367 } else {
fe1adc6b 368 err = -EINVAL;
52e493d0 369 }
fe1adc6b
JK		 370 }
371 return err;
372}
373
374static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
375 struct net_device *netdev,
376 const unsigned char *addr, u16 flags)
377{
378 struct qlcnic_adapter *adapter = netdev_priv(netdev);
379 int err = 0;
380
3e5c112f
VY		 381 if (!adapter->fdb_mac_learn)
382 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 383
384 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
385 pr_info("%s: FDB e-switch is not enabled\n", __func__);
386 return -EOPNOTSUPP;
387 }
388
389 if (ether_addr_equal(addr, adapter->mac_addr))
390 return err;
391
52e493d0
JK		 392 if (is_unicast_ether_addr(addr)) {
393 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
394 err = dev_uc_add_excl(netdev, addr);
395 else
396 err = -ENOMEM;
397 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 398 err = dev_mc_add_excl(netdev, addr);
52e493d0 399 } else {
fe1adc6b 400 err = -EINVAL;
52e493d0 401 }
fe1adc6b
JK		 402
403 return err;
404}
405
406static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
407 struct net_device *netdev, int idx)
408{
409 struct qlcnic_adapter *adapter = netdev_priv(netdev);
410
3e5c112f
VY		 411 if (!adapter->fdb_mac_learn)
412 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 413
414 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
415 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
416
417 return idx;
418}
419
7e2cf4fe
SC		 420static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
421{
422 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
423 usleep_range(10000, 11000);
424
425 cancel_delayed_work_sync(&adapter->fw_work);
426}
427
af19b491
AKS		 428static const struct net_device_ops qlcnic_netdev_ops = {
429 .ndo_open = qlcnic_open,
430 .ndo_stop = qlcnic_close,
431 .ndo_start_xmit = qlcnic_xmit_frame,
432 .ndo_get_stats = qlcnic_get_stats,
433 .ndo_validate_addr = eth_validate_addr,
afc4b13d 434 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 435 .ndo_set_mac_address = qlcnic_set_mac,
436 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 437 .ndo_fix_features = qlcnic_fix_features,
438 .ndo_set_features = qlcnic_set_features,
af19b491 439 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 440 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
441 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 442 .ndo_fdb_add = qlcnic_fdb_add,
443 .ndo_fdb_del = qlcnic_fdb_del,
444 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 445#ifdef CONFIG_NET_POLL_CONTROLLER
446 .ndo_poll_controller = qlcnic_poll_controller,
447#endif
4000e7a7
RB		 448#ifdef CONFIG_QLCNIC_SRIOV
449 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
450 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
451 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 452 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 453 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 454#endif
af19b491
AKS		 455};
456
b43e5ee7
SC		 457static const struct net_device_ops qlcnic_netdev_failed_ops = {
458 .ndo_open = qlcnic_open,
459};
460
2e9d722d 461static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 462 .config_bridged_mode = qlcnic_config_bridged_mode,
463 .config_led = qlcnic_82xx_config_led,
464 .start_firmware = qlcnic_82xx_start_firmware,
465 .request_reset = qlcnic_82xx_dev_request_reset,
466 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
467 .napi_add = qlcnic_82xx_napi_add,
4be41e92 468 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 469 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 470 .shutdown = qlcnic_82xx_shutdown,
471 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 472 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
473};
474
475struct qlcnic_nic_template qlcnic_vf_ops = {
476 .config_bridged_mode = qlcnicvf_config_bridged_mode,
477 .config_led = qlcnicvf_config_led,
478 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 479};
480
7e2cf4fe
SC		 481static struct qlcnic_hardware_ops qlcnic_hw_ops = {
482 .read_crb = qlcnic_82xx_read_crb,
483 .write_crb = qlcnic_82xx_write_crb,
484 .read_reg = qlcnic_82xx_hw_read_wx_2M,
485 .write_reg = qlcnic_82xx_hw_write_wx_2M,
486 .get_mac_address = qlcnic_82xx_get_mac_address,
487 .setup_intr = qlcnic_82xx_setup_intr,
488 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
489 .mbx_cmd = qlcnic_82xx_issue_cmd,
490 .get_func_no = qlcnic_82xx_get_func_no,
491 .api_lock = qlcnic_82xx_api_lock,
492 .api_unlock = qlcnic_82xx_api_unlock,
493 .add_sysfs = qlcnic_82xx_add_sysfs,
494 .remove_sysfs = qlcnic_82xx_remove_sysfs,
495 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
496 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
497 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 498 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
499 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 500 .setup_link_event = qlcnic_82xx_linkevent_request,
501 .get_nic_info = qlcnic_82xx_get_nic_info,
502 .get_pci_info = qlcnic_82xx_get_pci_info,
503 .set_nic_info = qlcnic_82xx_set_nic_info,
504 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
505 .napi_enable = qlcnic_82xx_napi_enable,
506 .napi_disable = qlcnic_82xx_napi_disable,
507 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
508 .config_rss = qlcnic_82xx_config_rss,
509 .config_hw_lro = qlcnic_82xx_config_hw_lro,
510 .config_loopback = qlcnic_82xx_set_lb_mode,
511 .clear_loopback = qlcnic_82xx_clear_lb_mode,
512 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
513 .change_l2_filter = qlcnic_82xx_change_filter,
514 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 515 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 516 .free_mac_list = qlcnic_82xx_free_mac_list,
2e9d722d
AC		 517};
518
7f966452 519int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 520{
af19b491 521 struct pci_dev *pdev = adapter->pdev;
13159183 522 int err = -1, i;
da6c8063
RB		 523 int max_tx_rings, tx_vector;
524
525 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
526 max_tx_rings = 0;
527 tx_vector = 0;
528 } else {
529 max_tx_rings = adapter->max_drv_tx_rings;
530 tx_vector = 1;
531 }
13159183
SC		 532
533 if (!adapter->msix_entries) {
534 adapter->msix_entries = kcalloc(num_msix,
535 sizeof(struct msix_entry),
536 GFP_KERNEL);
b2adaca9 537 if (!adapter->msix_entries)
13159183 538 return -ENOMEM;
13159183 539 }
af19b491
AKS		 540
541 adapter->max_sds_rings = 1;
af19b491 542 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 543
79788450 544 if (adapter->ahw->msix_supported) {
f94bc1e7 545 enable_msix:
13159183
SC		 546 for (i = 0; i < num_msix; i++)
547 adapter->msix_entries[i].entry = i;
af19b491
AKS		 548 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
549 if (err == 0) {
550 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 551 if (qlcnic_83xx_check(adapter)) {
552 adapter->ahw->num_msix = num_msix;
553 /* subtract mail box and tx ring vectors */
13159183
SC		 554 adapter->max_sds_rings = num_msix -
555 max_tx_rings - 1;
556 } else {
557 adapter->max_sds_rings = num_msix;
558 }
af19b491 559 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 560 return err;
13159183
SC		 561 } else if (err > 0) {
562 dev_info(&pdev->dev,
563 "Unable to allocate %d MSI-X interrupt vectors\n",
564 num_msix);
565 if (qlcnic_83xx_check(adapter)) {
da6c8063 566 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 567 return err;
da6c8063 568 err -= (max_tx_rings + 1);
13159183 569 num_msix = rounddown_pow_of_two(err);
da6c8063 570 num_msix += (max_tx_rings + 1);
13159183
SC		 571 } else {
572 num_msix = rounddown_pow_of_two(err);
573 }
574
575 if (num_msix) {
576 dev_info(&pdev->dev,
dce056cb 577 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 578 num_msix);
f94bc1e7 579 goto enable_msix;
13159183
SC		 580 }
581 } else {
dce056cb
MC		 582 dev_info(&pdev->dev,
583 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 584 num_msix);
f94bc1e7
SC		 585 }
586 }
13159183 587
f94bc1e7
SC		 588 return err;
589}
af19b491 590
9a97e705 591static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 592{
9a97e705 593 int err = 0;
15087c2b 594 u32 offset, mask_reg;
f94bc1e7 595 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 596 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 597 struct pci_dev *pdev = adapter->pdev;
af19b491 598
099f7aa7 599 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 600 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 601 offset = msi_tgt_status[adapter->ahw->pci_func];
602 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
603 offset);
af19b491
AKS		 604 dev_info(&pdev->dev, "using msi interrupts\n");
605 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 606 return err;
af19b491 607 }
9a97e705
M		 608 if (qlcnic_use_msi || qlcnic_use_msi_x)
609 return -EOPNOTSUPP;
af19b491 610
f94bc1e7 611 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 612 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 613 offset = legacy_intrp->tgt_status_reg;
614 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
615 mask_reg = legacy_intrp->tgt_mask_reg;
616 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
617 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
618 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 619 dev_info(&pdev->dev, "using legacy interrupts\n");
620 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 621 return err;
af19b491
AKS		 622}
623
7e2cf4fe 624int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 625{
9a97e705 626 int num_msix, err = 0;
f94bc1e7 627
7e2cf4fe
SC		 628 if (!num_intr)
629 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
630
631 if (adapter->ahw->msix_supported)
5f6ec29a 632 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 633 num_intr));
634 else
f94bc1e7
SC		 635 num_msix = 1;
636
7e2cf4fe
SC		 637 err = qlcnic_enable_msix(adapter, num_msix);
638 if (err == -ENOMEM || !err)
639 return err;
f94bc1e7 640
9a97e705
M		 641 err = qlcnic_enable_msi_legacy(adapter);
642 if (!err)
643 return err;
644
645 return -EIO;
f94bc1e7 646}
13159183 647
319ecf12 648void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 649{
650 if (adapter->flags & QLCNIC_MSIX_ENABLED)
651 pci_disable_msix(adapter->pdev);
652 if (adapter->flags & QLCNIC_MSI_ENABLED)
653 pci_disable_msi(adapter->pdev);
13159183
SC		 654
655 kfree(adapter->msix_entries);
656 adapter->msix_entries = NULL;
657
658 if (adapter->ahw->intr_tbl) {
659 vfree(adapter->ahw->intr_tbl);
660 adapter->ahw->intr_tbl = NULL;
661 }
af19b491
AKS		 662}
663
f1a094a8 664static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 665{
f1a094a8
RB		 666 if (ahw->pci_base0 != NULL)
667 iounmap(ahw->pci_base0);
af19b491
AKS		 668}
669
7e2cf4fe
SC		 670static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
671{
672 struct qlcnic_pci_info *pci_info;
673 int ret;
674
675 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
676 switch (adapter->ahw->port_type) {
677 case QLCNIC_GBE:
678 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
679 break;
680 case QLCNIC_XGBE:
681 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
682 break;
683 }
684 return 0;
685 }
686
687 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
688 return 0;
689
690 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
691 if (!pci_info)
692 return -ENOMEM;
693
694 ret = qlcnic_get_pci_info(adapter, pci_info);
695 kfree(pci_info);
696 return ret;
697}
d71170fb
SC		 698
699int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 700{
e88db3bd 701 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 702 int i, ret = 0, j = 0;
703 u16 act_pci_func;
346fe763
RB		 704 u8 pfn;
705
e88db3bd
DC		 706 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
707 if (!pci_info)
708 return -ENOMEM;
709
bff57d8e
SC		 710 ret = qlcnic_get_pci_info(adapter, pci_info);
711 if (ret)
712 goto err_pci_info;
713
714 act_pci_func = adapter->ahw->act_pci_func;
715
ca315ac2 716 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 717 act_pci_func, GFP_KERNEL);
e88db3bd 718 if (!adapter->npars) {
900853a4 719 ret = -ENOMEM;
e88db3bd
DC		 720 goto err_pci_info;
721 }
346fe763 722
ca315ac2 723 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 724 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
725 if (!adapter->eswitch) {
900853a4 726 ret = -ENOMEM;
ca315ac2 727 goto err_npars;
346fe763
RB		 728 }
729
ca315ac2
DC		 730 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
731 pfn = pci_info[i].id;
bff57d8e 732
0f6efff9 733 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 734 ret = QL_STATUS_INVALID_PARAM;
735 goto err_eswitch;
736 }
bff57d8e
SC		 737
738 if (!pci_info[i].active ||
739 (pci_info[i].type != QLCNIC_TYPE_NIC))
740 continue;
741
742 adapter->npars[j].pci_func = pfn;
743 adapter->npars[j].active = (u8)pci_info[i].active;
744 adapter->npars[j].type = (u8)pci_info[i].type;
745 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
746 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
747 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
748 j++;
346fe763
RB		 749 }
750
13159183 751 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 752 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 753 if (qlcnic_83xx_check(adapter))
754 qlcnic_enable_eswitch(adapter, i, 1);
755 }
ca315ac2 756
e88db3bd 757 kfree(pci_info);
ca315ac2
DC		 758 return 0;
759
760err_eswitch:
346fe763
RB		 761 kfree(adapter->eswitch);
762 adapter->eswitch = NULL;
ca315ac2 763err_npars:
346fe763 764 kfree(adapter->npars);
ca315ac2 765 adapter->npars = NULL;
e88db3bd
DC		 766err_pci_info:
767 kfree(pci_info);
346fe763
RB		 768
769 return ret;
770}
771
2e9d722d
AC		 772static int
773qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
774{
775 u8 id;
7e8fd003 776 int ret;
2e9d722d 777 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 778 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 779
2e9d722d
AC		 780 ret = qlcnic_api_lock(adapter);
781 if (ret)
782 goto err_lock;
2e9d722d 783
7e8fd003
SS		 784 id = ahw->pci_func;
785 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
786 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
787 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 788 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 789 qlcnic_api_unlock(adapter);
790err_lock:
791 return ret;
792}
793
13159183
SC		 794static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
795 const struct pci_device_id *ent)
2e9d722d 796{
2e9d722d
AC		 797 u32 op_mode, priv_level;
798
799 /* Determine FW API version */
13159183
SC		 800 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
801 QLCNIC_FW_API);
2e9d722d
AC		 802
803 /* Find PCI function number */
13159183 804 qlcnic_get_func_no(adapter);
2e9d722d
AC		 805
806 /* Determine function privilege level */
13159183 807 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 808 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 809 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 810 else
b1fc6d3c 811 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 812
0866d96d 813 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 814 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 815 dev_info(&adapter->pdev->dev,
816 "HAL Version: %d Non Privileged function\n",
79788450 817 adapter->ahw->fw_hal_version);
9f26f547 818 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 819 } else
820 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 821}
822
15087c2b 823#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 824#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 825static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
826{
827 switch (dev_id) {
828 case PCI_DEVICE_ID_QLOGIC_QLE824X:
829 *bar = QLCNIC_82XX_BAR0_LENGTH;
830 break;
13159183 831 case PCI_DEVICE_ID_QLOGIC_QLE834X:
f8468331 832 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
13159183
SC		 833 *bar = QLCNIC_83XX_BAR0_LENGTH;
834 break;
15087c2b
SC		 835 default:
836 *bar = 0;
837 }
838}
839
840static int qlcnic_setup_pci_map(struct pci_dev *pdev,
841 struct qlcnic_hardware_context *ahw)
af19b491 842{
15087c2b 843 u32 offset;
af19b491 844 void __iomem *mem_ptr0 = NULL;
15087c2b 845 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 846
af19b491 847 /* remap phys address */
af19b491
AKS		 848 mem_len = pci_resource_len(pdev, 0);
849
15087c2b
SC		 850 qlcnic_get_bar_length(pdev->device, &bar0_len);
851 if (mem_len >= bar0_len) {
af19b491
AKS		 852
853 mem_ptr0 = pci_ioremap_bar(pdev, 0);
854 if (mem_ptr0 == NULL) {
855 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
856 return -EIO;
857 }
858 pci_len0 = mem_len;
859 } else {
860 return -EIO;
861 }
862
f8468331 863 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 864
15087c2b
SC		 865 ahw->pci_base0 = mem_ptr0;
866 ahw->pci_len0 = pci_len0;
867 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
868 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 869
870 return 0;
871}
872
2343f06a
MC		 873static inline bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
874 int index)
875{
876 struct pci_dev *pdev = adapter->pdev;
877 unsigned short subsystem_vendor;
878 bool ret = true;
879
880 subsystem_vendor = pdev->subsystem_vendor;
881
882 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
883 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
884 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
885 qlcnic_boards[index].sub_device == pdev->subsystem_device)
886 ret = true;
887 else
888 ret = false;
889 }
890
891 return ret;
892}
893
22999798 894static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 895{
896 struct pci_dev *pdev = adapter->pdev;
897 int i, found = 0;
898
899 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
900 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 901 qlcnic_boards[i].device == pdev->device &&
902 qlcnic_validate_subsystem_id(adapter, i)) {
903 found = 1;
904 break;
af19b491 905 }
af19b491
AKS		 906 }
907
908 if (!found)
7f9a0c34 909 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 910 else
911 sprintf(name, "%pM: %s" , adapter->mac_addr,
912 qlcnic_boards[i].short_name);
af19b491
AKS		 913}
914
915static void
916qlcnic_check_options(struct qlcnic_adapter *adapter)
917{
a15ebd37 918 int err;
031a4a26 919 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 920 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 921 struct qlcnic_hardware_context *ahw = adapter->ahw;
922 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 923
924 prev_fw_version = adapter->fw_version;
af19b491 925
a15ebd37
HM		 926 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
927 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
928 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 929
930 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
931
a15ebd37
HM		 932 err = qlcnic_get_board_info(adapter);
933 if (err) {
934 dev_err(&pdev->dev, "Error getting board config info.\n");
935 return;
936 }
937 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 938 if (fw_dump->tmpl_hdr == NULL ||
939 adapter->fw_version > prev_fw_version) {
940 if (fw_dump->tmpl_hdr)
941 vfree(fw_dump->tmpl_hdr);
942 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
943 dev_info(&pdev->dev,
944 "Supports FW dump capability\n");
945 }
946 }
947
13159183
SC		 948 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
949 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
950
b1fc6d3c 951 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 952 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
953 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
954 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
955 } else {
956 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
957 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
958 }
959
af19b491 960 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 961 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
962
b1fc6d3c 963 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 964 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
965 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 966 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
967 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 968 }
969
099f7aa7 970 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 971
972 adapter->num_txd = MAX_CMD_DESCRIPTORS;
973
251b036a 974 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 975}
976
174240a8
RB		 977static int
978qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
979{
174240a8 980 struct qlcnic_info nic_info;
4bd8e738 981 int err = 0;
174240a8 982
bff57d8e 983 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 984 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 985 if (err)
986 return err;
987
79788450
SC		 988 adapter->ahw->physical_port = (u8)nic_info.phys_port;
989 adapter->ahw->switch_mode = nic_info.switch_mode;
990 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
991 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
992 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 993
994 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
995 u32 temp;
4bd8e738
HM		 996 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
997 if (err == -EIO)
998 return err;
db131786 999 adapter->ahw->extra_capability[0] = temp;
776e7bde 1000 }
79788450
SC		 1001 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1002 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1003
13159183
SC		 1004 /* Disable NPAR for 83XX */
1005 if (qlcnic_83xx_check(adapter))
1006 return err;
1007
79788450 1008 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 1009 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1010 else
1011 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1012
1013 return err;
1014}
1015
ec079a07
SC		 1016void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1017 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1018{
1019 if (esw_cfg->discard_tagged)
1020 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1021 else
1022 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1023
91b7282b
RB		 1024 if (esw_cfg->vlan_id) {
1025 adapter->rx_pvid = esw_cfg->vlan_id;
1026 adapter->tx_pvid = esw_cfg->vlan_id;
1027 } else {
1028 adapter->rx_pvid = 0;
1029 adapter->tx_pvid = 0;
1030 }
8cf61f89
AKS		 1031}
1032
8e586137 1033static int
80d5c368 1034qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1035{
1036 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1037 int err;
1038
1039 if (qlcnic_sriov_vf_check(adapter)) {
1040 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1041 if (err) {
1042 netdev_err(netdev,
1043 "Cannot add VLAN filter for VLAN id %d, err=%d",
1044 vid, err);
1045 return err;
1046 }
1047 }
1048
b9796a14 1049 set_bit(vid, adapter->vlans);
8e586137 1050 return 0;
b9796a14
AC		 1051}
1052
8e586137 1053static int
80d5c368 1054qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1055{
1056 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1057 int err;
1058
1059 if (qlcnic_sriov_vf_check(adapter)) {
1060 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1061 if (err) {
1062 netdev_err(netdev,
1063 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1064 vid, err);
1065 return err;
1066 }
1067 }
b9796a14
AC		 1068
1069 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1070 clear_bit(vid, adapter->vlans);
8e586137 1071 return 0;
b9796a14
AC		 1072}
1073
ec079a07
SC		 1074void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1075 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1076{
ee07c1a7
RB		 1077 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1078 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1079
1080 if (esw_cfg->mac_anti_spoof)
1081 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1082
7373373d
RB		 1083 if (!esw_cfg->mac_override)
1084 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1085
ee07c1a7
RB		 1086 if (!esw_cfg->promisc_mode)
1087 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1088}
1089
d71170fb 1090int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1091{
1092 struct qlcnic_esw_func_cfg esw_cfg;
1093
1094 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1095 return 0;
1096
b1fc6d3c 1097 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1098 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1099 return -EIO;
8cf61f89 1100 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1101 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1102 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1103
1104 return 0;
1105}
1106
147a9088
SS		 1107void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1108 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1109{
1110 struct net_device *netdev = adapter->netdev;
13159183
SC		 1111
1112 if (qlcnic_83xx_check(adapter))
1113 return;
0325d69b 1114
147a9088
SS		 1115 adapter->offload_flags = esw_cfg->offload_flags;
1116 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1117 netdev_update_features(netdev);
1118 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1119}
1120
0866d96d
AC		 1121static int
1122qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1123{
0866d96d
AC		 1124 u32 op_mode, priv_level;
1125 int err = 0;
1126
174240a8
RB		 1127 err = qlcnic_initialize_nic(adapter);
1128 if (err)
1129 return err;
1130
0866d96d
AC		 1131 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1132 return 0;
1133
13159183 1134 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1135 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1136
1137 if (op_mode == QLC_DEV_DRV_DEFAULT)
1138 priv_level = QLCNIC_MGMT_FUNC;
1139 else
b1fc6d3c 1140 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1141
174240a8 1142 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1143 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1144 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1145 err = qlcnic_init_pci_info(adapter);
1146 if (err)
1147 return err;
1148 /* Set privilege level for other functions */
1149 qlcnic_set_function_modes(adapter);
1150 dev_info(&adapter->pdev->dev,
1151 "HAL Version: %d, Management function\n",
79788450 1152 adapter->ahw->fw_hal_version);
0866d96d 1153 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1154 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1155 dev_info(&adapter->pdev->dev,
1156 "HAL Version: %d, Privileged function\n",
79788450 1157 adapter->ahw->fw_hal_version);
0866d96d 1158 }
174240a8 1159 }
0866d96d
AC		 1160
1161 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1162
1163 return err;
1164}
1165
d71170fb 1166int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1167{
1168 struct qlcnic_esw_func_cfg esw_cfg;
1169 struct qlcnic_npar_info *npar;
1170 u8 i;
1171
174240a8 1172 if (adapter->need_fw_reset)
0325d69b
RB		 1173 return 0;
1174
bff57d8e 1175 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1176 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1177 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1178 esw_cfg.mac_override = BIT_0;
ee07c1a7 1179 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1180 if (qlcnic_82xx_check(adapter)) {
1181 esw_cfg.offload_flags = BIT_0;
1182 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1183 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1184 }
0325d69b
RB		 1185 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1186 return -EIO;
1187 npar = &adapter->npars[i];
1188 npar->pvid = esw_cfg.vlan_id;
7373373d 1189 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1190 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1191 npar->discard_tagged = esw_cfg.discard_tagged;
1192 npar->promisc_mode = esw_cfg.promisc_mode;
1193 npar->offload_flags = esw_cfg.offload_flags;
1194 }
1195
1196 return 0;
1197}
1198
13159183 1199
4e8acb01
RB		 1200static int
1201qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1202 struct qlcnic_npar_info *npar, int pci_func)
1203{
1204 struct qlcnic_esw_func_cfg esw_cfg;
1205 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1206 esw_cfg.pci_func = pci_func;
1207 esw_cfg.vlan_id = npar->pvid;
7373373d 1208 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1209 esw_cfg.discard_tagged = npar->discard_tagged;
1210 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1211 esw_cfg.offload_flags = npar->offload_flags;
1212 esw_cfg.promisc_mode = npar->promisc_mode;
1213 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1214 return -EIO;
1215
1216 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1217 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1218 return -EIO;
1219
1220 return 0;
1221}
1222
d71170fb 1223int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1224{
4e8acb01 1225 int i, err;
cea8975e
AC		 1226 struct qlcnic_npar_info *npar;
1227 struct qlcnic_info nic_info;
bff57d8e 1228 u8 pci_func;
cea8975e 1229
bff57d8e
SC		 1230 if (qlcnic_82xx_check(adapter))
1231 if (!adapter->need_fw_reset)
1232 return 0;
cea8975e 1233
4e8acb01 1234 /* Set the NPAR config data after FW reset */
bff57d8e 1235 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1236 npar = &adapter->npars[i];
bff57d8e
SC		 1237 pci_func = npar->pci_func;
1238 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1239 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1240 if (err)
1241 return err;
1242 nic_info.min_tx_bw = npar->min_bw;
1243 nic_info.max_tx_bw = npar->max_bw;
1244 err = qlcnic_set_nic_info(adapter, &nic_info);
1245 if (err)
1246 return err;
cea8975e 1247
4e8acb01
RB		 1248 if (npar->enable_pm) {
1249 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1250 npar->dest_npar, 1,
1251 pci_func);
4e8acb01
RB		 1252 if (err)
1253 return err;
cea8975e 1254 }
bff57d8e 1255 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1256 if (err)
1257 return err;
cea8975e 1258 }
4e8acb01 1259 return 0;
cea8975e
AC		 1260}
1261
78f84e1a
AKS		 1262static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1263{
1264 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1265 u32 npar_state;
1266
79788450 1267 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1268 return 0;
1269
a15ebd37
HM		 1270 npar_state = QLC_SHARED_REG_RD32(adapter,
1271 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1272 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1273 msleep(1000);
a15ebd37
HM		 1274 npar_state = QLC_SHARED_REG_RD32(adapter,
1275 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1276 }
1277 if (!npar_opt_timeo) {
1278 dev_err(&adapter->pdev->dev,
8a168ca7 1279 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1280 return -EIO;
1281 }
1282 return 0;
1283}
1284
174240a8
RB		 1285static int
1286qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1287{
1288 int err;
1289
1290 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1291 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1292 return 0;
1293
1294 err = qlcnic_set_default_offload_settings(adapter);
1295 if (err)
1296 return err;
1297
1298 err = qlcnic_reset_npar_config(adapter);
1299 if (err)
1300 return err;
1301
1302 qlcnic_dev_set_npar_ready(adapter);
1303
1304 return err;
1305}
1306
7e2cf4fe 1307int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1308{
d4066833 1309 int err;
af19b491 1310
aa5e18c0
SC		 1311 err = qlcnic_can_start_firmware(adapter);
1312 if (err < 0)
1313 return err;
1314 else if (!err)
d4066833 1315 goto check_fw_status;
af19b491 1316
099f7aa7 1317 if (qlcnic_load_fw_file)
4d5bdb38 1318 qlcnic_request_firmware(adapter);
8f891387 1319 else {
8cfdce08
SC		 1320 err = qlcnic_check_flash_fw_ver(adapter);
1321 if (err)
8f891387 1322 goto err_out;
1323
79788450 1324 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1325 }
af19b491
AKS		 1326
1327 err = qlcnic_need_fw_reset(adapter);
af19b491 1328 if (err == 0)
4e70812b 1329 goto check_fw_status;
af19b491 1330
d4066833
SC		 1331 err = qlcnic_pinit_from_rom(adapter);
1332 if (err)
1333 goto err_out;
af19b491
AKS		 1334
1335 err = qlcnic_load_firmware(adapter);
1336 if (err)
1337 goto err_out;
1338
1339 qlcnic_release_firmware(adapter);
d4066833 1340 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1341
d4066833
SC		 1342check_fw_status:
1343 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1344 if (err)
1345 goto err_out;
1346
a15ebd37 1347 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1348 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1349 err = qlcnic_check_eswitch_mode(adapter);
1350 if (err) {
1351 dev_err(&adapter->pdev->dev,
1352 "Memory allocation failed for eswitch\n");
1353 goto err_out;
1354 }
174240a8
RB		 1355 err = qlcnic_set_mgmt_operations(adapter);
1356 if (err)
1357 goto err_out;
1358
1359 qlcnic_check_options(adapter);
af19b491
AKS		 1360 adapter->need_fw_reset = 0;
1361
a7fc948f
AKS		 1362 qlcnic_release_firmware(adapter);
1363 return 0;
af19b491
AKS		 1364
1365err_out:
a15ebd37 1366 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1367 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1368
af19b491
AKS		 1369 qlcnic_release_firmware(adapter);
1370 return err;
1371}
1372
1373static int
1374qlcnic_request_irq(struct qlcnic_adapter *adapter)
1375{
1376 irq_handler_t handler;
1377 struct qlcnic_host_sds_ring *sds_ring;
13159183 1378 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1379 int err, ring, num_sds_rings;
af19b491
AKS		 1380
1381 unsigned long flags = 0;
1382 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1383 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1384
79788450 1385 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1386 if (qlcnic_82xx_check(adapter))
1387 handler = qlcnic_tmp_intr;
c2534384
MC		 1388 else
1389 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1390 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1391 flags |= IRQF_SHARED;
1392
1393 } else {
1394 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1395 handler = qlcnic_msix_intr;
1396 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1397 handler = qlcnic_msi_intr;
1398 else {
1399 flags |= IRQF_SHARED;
ac166700
HM		 1400 if (qlcnic_82xx_check(adapter))
1401 handler = qlcnic_intr;
1402 else
1403 handler = qlcnic_83xx_intr;
7eb9855d 1404 }
af19b491
AKS		 1405 }
1406 adapter->irq = netdev->irq;
1407
13159183 1408 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1409 if (qlcnic_82xx_check(adapter) ||
1410 (qlcnic_83xx_check(adapter) &&
1411 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1412 num_sds_rings = adapter->max_sds_rings;
1413 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1414 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1415 if (qlcnic_82xx_check(adapter) &&
aa2a8034
HM		 1416 (ring == (num_sds_rings - 1))) {
1417 if (!(adapter->flags &
1418 QLCNIC_MSIX_ENABLED))
1419 snprintf(sds_ring->name,
1420 sizeof(sds_ring->name),
1421 "qlcnic");
1422 else
1423 snprintf(sds_ring->name,
1424 sizeof(sds_ring->name),
1425 "%s-tx-0-rx-%d",
1426 netdev->name, ring);
1427 } else {
ddb2e174
HM		 1428 snprintf(sds_ring->name,
1429 sizeof(sds_ring->name),
aa2a8034 1430 "%s-rx-%d",
ddb2e174 1431 netdev->name, ring);
aa2a8034 1432 }
ac166700
HM		 1433 err = request_irq(sds_ring->irq, handler, flags,
1434 sds_ring->name, sds_ring);
1435 if (err)
1436 return err;
1437 }
13159183
SC		 1438 }
1439 if (qlcnic_83xx_check(adapter) &&
da6c8063
RB		 1440 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1441 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1442 handler = qlcnic_msix_tx_intr;
1443 for (ring = 0; ring < adapter->max_drv_tx_rings;
1444 ring++) {
1445 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1446 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1447 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1448 err = request_irq(tx_ring->irq, handler, flags,
1449 tx_ring->name, tx_ring);
1450 if (err)
1451 return err;
1452 }
1453 }
af19b491 1454 }
af19b491
AKS		 1455 return 0;
1456}
1457
1458static void
1459qlcnic_free_irq(struct qlcnic_adapter *adapter)
1460{
1461 int ring;
1462 struct qlcnic_host_sds_ring *sds_ring;
13159183 1463 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1464
b1fc6d3c 1465 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1466
13159183 1467 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1468 if (qlcnic_82xx_check(adapter) ||
1469 (qlcnic_83xx_check(adapter) &&
1470 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1471 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1472 sds_ring = &recv_ctx->sds_rings[ring];
1473 free_irq(sds_ring->irq, sds_ring);
1474 }
13159183 1475 }
da6c8063
RB		 1476 if (qlcnic_83xx_check(adapter) &&
1477 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1478 for (ring = 0; ring < adapter->max_drv_tx_rings;
1479 ring++) {
1480 tx_ring = &adapter->tx_ring[ring];
1481 if (tx_ring->irq)
1482 free_irq(tx_ring->irq, tx_ring);
1483 }
1484 }
af19b491
AKS		 1485 }
1486}
1487
99e85879
SS		 1488static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1489{
1490 u32 capab = 0;
1491
1492 if (qlcnic_82xx_check(adapter)) {
db131786 1493 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1494 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1495 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1496 } else {
1497 capab = adapter->ahw->capabilities;
1498 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1499 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1500 }
1501}
1502
319ecf12 1503int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1504{
8a15ad1f
AKS		 1505 int ring;
1506 struct qlcnic_host_rds_ring *rds_ring;
1507
af19b491
AKS		 1508 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1509 return -EIO;
1510
8a15ad1f
AKS		 1511 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1512 return 0;
0325d69b
RB		 1513 if (qlcnic_set_eswitch_port_config(adapter))
1514 return -EIO;
99e85879 1515 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1516
8a15ad1f
AKS		 1517 if (qlcnic_fw_create_ctx(adapter))
1518 return -EIO;
1519
1520 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1521 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1522 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1523 }
1524
af19b491
AKS		 1525 qlcnic_set_multi(netdev);
1526 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1527
b1fc6d3c 1528 adapter->ahw->linkup = 0;
af19b491
AKS		 1529
1530 if (adapter->max_sds_rings > 1)
1531 qlcnic_config_rss(adapter, 1);
1532
1533 qlcnic_config_intr_coalesce(adapter);
1534
24763d80 1535 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1536 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1537
cfacb172 1538 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1539 qlcnic_napi_enable(adapter);
1540
1541 qlcnic_linkevent_request(adapter, 1);
1542
79788450 1543 adapter->ahw->reset_context = 0;
af19b491
AKS		 1544 return 0;
1545}
1546
629263ac 1547int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1548{
1549 int err = 0;
1550
1551 rtnl_lock();
1552 if (netif_running(netdev))
1553 err = __qlcnic_up(adapter, netdev);
1554 rtnl_unlock();
1555
1556 return err;
1557}
1558
319ecf12 1559void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1560{
1561 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1562 return;
1563
1564 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1565 return;
1566
e8b508ef
RB		 1567 if (qlcnic_sriov_vf_check(adapter))
1568 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1569 smp_mb();
1570 spin_lock(&adapter->tx_clean_lock);
1571 netif_carrier_off(netdev);
0a46bac0 1572 adapter->ahw->linkup = 0;
af19b491
AKS		 1573 netif_tx_disable(netdev);
1574
1575 qlcnic_free_mac_list(adapter);
1576
b5e5492c
AKS		 1577 if (adapter->fhash.fnum)
1578 qlcnic_delete_lb_filters(adapter);
1579
af19b491
AKS		 1580 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1581
1582 qlcnic_napi_disable(adapter);
1583
8a15ad1f 1584 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1585 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1586
1587 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1588 qlcnic_release_tx_buffers(adapter);
1589 spin_unlock(&adapter->tx_clean_lock);
1590}
1591
1592/* Usage: During suspend and firmware recovery module */
1593
629263ac 1594void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1595{
1596 rtnl_lock();
1597 if (netif_running(netdev))
1598 __qlcnic_down(adapter, netdev);
1599 rtnl_unlock();
1600
1601}
1602
319ecf12 1603int
af19b491
AKS		 1604qlcnic_attach(struct qlcnic_adapter *adapter)
1605{
1606 struct net_device *netdev = adapter->netdev;
1607 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1608 int err;
af19b491
AKS		 1609
1610 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1611 return 0;
1612
af19b491
AKS		 1613 err = qlcnic_napi_add(adapter, netdev);
1614 if (err)
1615 return err;
1616
1617 err = qlcnic_alloc_sw_resources(adapter);
1618 if (err) {
1619 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1620 goto err_out_napi_del;
af19b491
AKS		 1621 }
1622
1623 err = qlcnic_alloc_hw_resources(adapter);
1624 if (err) {
1625 dev_err(&pdev->dev, "Error in setting hw resources\n");
1626 goto err_out_free_sw;
1627 }
1628
af19b491
AKS		 1629 err = qlcnic_request_irq(adapter);
1630 if (err) {
1631 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1632 goto err_out_free_hw;
af19b491
AKS		 1633 }
1634
af19b491
AKS		 1635 qlcnic_create_sysfs_entries(adapter);
1636
1637 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1638 return 0;
1639
8a15ad1f 1640err_out_free_hw:
af19b491
AKS		 1641 qlcnic_free_hw_resources(adapter);
1642err_out_free_sw:
1643 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1644err_out_napi_del:
1645 qlcnic_napi_del(adapter);
af19b491
AKS		 1646 return err;
1647}
1648
319ecf12 1649void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1650{
1651 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1652 return;
1653
1654 qlcnic_remove_sysfs_entries(adapter);
1655
1656 qlcnic_free_hw_resources(adapter);
1657 qlcnic_release_rx_buffers(adapter);
1658 qlcnic_free_irq(adapter);
1659 qlcnic_napi_del(adapter);
1660 qlcnic_free_sw_resources(adapter);
1661
1662 adapter->is_up = 0;
1663}
1664
7eb9855d
AKS		 1665void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1666{
1667 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1668 struct qlcnic_host_sds_ring *sds_ring;
1669 int ring;
1670
78ad3892 1671 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1672 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1673 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1674 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1675 qlcnic_disable_int(sds_ring);
cdaff185 1676 }
7eb9855d
AKS		 1677 }
1678
8a15ad1f
AKS		 1679 qlcnic_fw_destroy_ctx(adapter);
1680
7eb9855d
AKS		 1681 qlcnic_detach(adapter);
1682
79788450 1683 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1684 adapter->max_sds_rings = max_sds_rings;
1685
1686 if (qlcnic_attach(adapter))
34ce3626 1687 goto out;
7eb9855d
AKS		 1688
1689 if (netif_running(netdev))
1690 __qlcnic_up(adapter, netdev);
34ce3626 1691out:
7eb9855d
AKS		 1692 netif_device_attach(netdev);
1693}
1694
b1fc6d3c
AC		 1695static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1696{
be273dc1 1697 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1698 int err = 0;
be273dc1 1699
b1fc6d3c
AC		 1700 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1701 GFP_KERNEL);
1702 if (!adapter->recv_ctx) {
b1fc6d3c 1703 err = -ENOMEM;
8816d009 1704 goto err_out;
b1fc6d3c 1705 }
8816d009 1706 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1707 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1708 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1709 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1710 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1711 if (qlcnic_83xx_check(adapter)) {
1712 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1713 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1714 }
4be41e92
SC		 1715 /* clear stats */
1716 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1717err_out:
1718 return err;
1719}
1720
1721static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1722{
1723 kfree(adapter->recv_ctx);
1724 adapter->recv_ctx = NULL;
1725
18f2f616
AC		 1726 if (adapter->ahw->fw_dump.tmpl_hdr) {
1727 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1728 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1729 }
4be41e92 1730
81d0aeb0 1731 kfree(adapter->ahw->reset.buff);
4be41e92 1732 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1733}
1734
7eb9855d
AKS		 1735int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1736{
1737 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1738 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1739 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1740 int ring;
1741 int ret;
1742
1743 netif_device_detach(netdev);
1744
1745 if (netif_running(netdev))
1746 __qlcnic_down(adapter, netdev);
1747
1748 qlcnic_detach(adapter);
1749
1750 adapter->max_sds_rings = 1;
79788450 1751 adapter->ahw->diag_test = test;
4be41e92 1752 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1753
1754 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1755 if (ret) {
1756 netif_device_attach(netdev);
7eb9855d 1757 return ret;
34ce3626 1758 }
7eb9855d 1759
8a15ad1f
AKS		 1760 ret = qlcnic_fw_create_ctx(adapter);
1761 if (ret) {
1762 qlcnic_detach(adapter);
57e46248 1763 netif_device_attach(netdev);
8a15ad1f
AKS		 1764 return ret;
1765 }
1766
1767 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1768 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1769 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1770 }
1771
79788450 1772 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1773 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1774 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1775 qlcnic_enable_int(sds_ring);
cdaff185 1776 }
7eb9855d 1777 }
22c8c934 1778
79788450 1779 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1780 adapter->ahw->loopback_state = 0;
1781 qlcnic_linkevent_request(adapter, 1);
1782 }
1783
78ad3892 1784 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1785
1786 return 0;
1787}
1788
68bf1c68
AKS		 1789/* Reset context in hardware only */
1790static int
1791qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1792{
1793 struct net_device *netdev = adapter->netdev;
1794
1795 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1796 return -EBUSY;
1797
1798 netif_device_detach(netdev);
1799
1800 qlcnic_down(adapter, netdev);
1801
1802 qlcnic_up(adapter, netdev);
1803
1804 netif_device_attach(netdev);
1805
1806 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1807 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1808 return 0;
1809}
1810
af19b491
AKS		 1811int
1812qlcnic_reset_context(struct qlcnic_adapter *adapter)
1813{
1814 int err = 0;
1815 struct net_device *netdev = adapter->netdev;
1816
1817 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1818 return -EBUSY;
1819
1820 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1821
1822 netif_device_detach(netdev);
1823
1824 if (netif_running(netdev))
1825 __qlcnic_down(adapter, netdev);
1826
1827 qlcnic_detach(adapter);
1828
1829 if (netif_running(netdev)) {
1830 err = qlcnic_attach(adapter);
1d5c88e3 1831 if (!err) {
34ce3626 1832 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1833 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1834 }
af19b491
AKS		 1835 }
1836
1837 netif_device_attach(netdev);
1838 }
1839
af19b491
AKS		 1840 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1841 return err;
1842}
1843
52e493d0
JK		 1844void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1845{
1846 struct qlcnic_hardware_context *ahw = adapter->ahw;
1847 u16 act_pci_fn = ahw->act_pci_func;
1848 u16 count;
1849
1850 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1851 if (act_pci_fn <= 2)
1852 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
1853 act_pci_fn;
1854 else
1855 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
1856 act_pci_fn;
1857 ahw->max_uc_count = count;
1858}
1859
f8468331 1860int
5ad6ff9d
SC		 1861qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1862 int pci_using_dac)
af19b491
AKS		 1863{
1864 int err;
1865 struct pci_dev *pdev = adapter->pdev;
1866
13159183 1867 adapter->rx_csum = 1;
79788450 1868 adapter->ahw->mc_enabled = 0;
52e493d0 1869 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 1870
1871 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1872 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1873
1874 qlcnic_change_mtu(netdev, netdev->mtu);
1875
d1a1105e
RB		 1876 if (qlcnic_sriov_vf_check(adapter))
1877 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1878 else
1879 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1880
7e38d04b 1881 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1882 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1883 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1884 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1885 NETIF_F_IPV6_CSUM);
ac8d0c4f 1886
13159183
SC		 1887 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1888 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1889 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1890 }
af19b491 1891
13159183
SC		 1892 if (pci_using_dac) {
1893 netdev->features |= NETIF_F_HIGHDMA;
1894 netdev->vlan_features |= NETIF_F_HIGHDMA;
1895 }
af19b491 1896
13159183 1897 if (qlcnic_vlan_tx_check(adapter))
f646968f 1898 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 1899
91b7282b
RB		 1900 if (qlcnic_sriov_vf_check(adapter))
1901 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1902
13159183
SC		 1903 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1904 netdev->features |= NETIF_F_LRO;
135d84a9 1905
7e38d04b 1906 netdev->hw_features = netdev->features;
52e493d0 1907 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 1908 netdev->irq = adapter->msix_entries[0].vector;
1909
af19b491
AKS		 1910 err = register_netdev(netdev);
1911 if (err) {
1912 dev_err(&pdev->dev, "failed to register net device\n");
1913 return err;
1914 }
1915
1916 return 0;
1917}
1918
5ad6ff9d 1919static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1920{
1921 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1922 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1923 *pci_using_dac = 1;
1924 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1925 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1926 *pci_using_dac = 0;
1927 else {
1928 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1929 return -EIO;
1930 }
1931
1932 return 0;
1933}
1934
4be41e92
SC		 1935void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1936{
1937 int ring;
1938 struct qlcnic_host_tx_ring *tx_ring;
1939
1940 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1941 tx_ring = &adapter->tx_ring[ring];
1942 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1943 vfree(tx_ring->cmd_buf_arr);
1944 tx_ring->cmd_buf_arr = NULL;
1945 }
1946 }
1947 if (adapter->tx_ring != NULL)
1948 kfree(adapter->tx_ring);
1949}
1950
1951int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1952 struct net_device *netdev)
1953{
b2adaca9 1954 int ring, vector, index;
4be41e92
SC		 1955 struct qlcnic_host_tx_ring *tx_ring;
1956 struct qlcnic_cmd_buffer *cmd_buf_arr;
1957
b2adaca9
JP		 1958 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1959 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1960 if (tx_ring == NULL)
4be41e92 1961 return -ENOMEM;
b2adaca9 1962
4be41e92
SC		 1963 adapter->tx_ring = tx_ring;
1964
1965 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1966 tx_ring = &adapter->tx_ring[ring];
1967 tx_ring->num_desc = adapter->num_txd;
1968 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1969 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1970 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1971 qlcnic_free_tx_rings(adapter);
1972 return -ENOMEM;
1973 }
1974 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1975 tx_ring->cmd_buf_arr = cmd_buf_arr;
1976 }
1977
1978 if (qlcnic_83xx_check(adapter)) {
1979 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1980 tx_ring = &adapter->tx_ring[ring];
1981 tx_ring->adapter = adapter;
1982 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1983 index = adapter->max_sds_rings + ring;
1984 vector = adapter->msix_entries[index].vector;
1985 tx_ring->irq = vector;
1986 }
1987 }
1988 }
1989 return 0;
1990}
1991
8af3f33d
PP		 1992void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
1993{
1994 struct qlcnic_hardware_context *ahw = adapter->ahw;
1995 u32 fw_cmd = 0;
1996
1997 if (qlcnic_82xx_check(adapter))
1998 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
1999 else if (qlcnic_83xx_check(adapter))
2000 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2001
2002 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2003 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2004 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2005}
2006
6bb58bb0 2007static int
af19b491
AKS		 2008qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2009{
2010 struct net_device *netdev = NULL;
2011 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2012 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2013 int err, pci_using_dac = -1;
7bc48646 2014 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2015
f8468331
RB		 2016 if (pdev->is_virtfn)
2017 return -ENODEV;
2018
af19b491
AKS		 2019 err = pci_enable_device(pdev);
2020 if (err)
2021 return err;
2022
2023 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2024 err = -ENODEV;
2025 goto err_out_disable_pdev;
2026 }
2027
1bb09fb9
AKS		 2028 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2029 if (err)
2030 goto err_out_disable_pdev;
2031
af19b491
AKS		 2032 err = pci_request_regions(pdev, qlcnic_driver_name);
2033 if (err)
2034 goto err_out_disable_pdev;
2035
2036 pci_set_master(pdev);
451724c8 2037 pci_enable_pcie_error_reporting(pdev);
af19b491 2038
7e2cf4fe 2039 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2040 if (!ahw) {
2041 err = -ENOMEM;
7e2cf4fe 2042 goto err_out_free_res;
02135582 2043 }
7e2cf4fe 2044
f8468331
RB		 2045 switch (ent->device) {
2046 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2047 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2048 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2049 break;
2050 case PCI_DEVICE_ID_QLOGIC_QLE834X:
13159183 2051 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2052 break;
2053 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2054 qlcnic_sriov_vf_register_map(ahw);
2055 break;
2056 default:
13159183 2057 goto err_out_free_hw_res;
7e2cf4fe
SC		 2058 }
2059
2060 err = qlcnic_setup_pci_map(pdev, ahw);
2061 if (err)
2062 goto err_out_free_hw_res;
2063
af19b491
AKS		 2064 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2065 if (!netdev) {
af19b491 2066 err = -ENOMEM;
7e2cf4fe 2067 goto err_out_iounmap;
af19b491
AKS		 2068 }
2069
2070 SET_NETDEV_DEV(netdev, &pdev->dev);
2071
2072 adapter = netdev_priv(netdev);
2073 adapter->netdev = netdev;
2074 adapter->pdev = pdev;
13159183
SC		 2075 adapter->ahw = ahw;
2076
2077 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2078 if (adapter->qlcnic_wq == NULL) {
02135582 2079 err = -ENOMEM;
13159183
SC		 2080 dev_err(&pdev->dev, "Failed to create workqueue\n");
2081 goto err_out_free_netdev;
2082 }
af19b491 2083
2dfc9671
PST		 2084 err = qlcnic_alloc_adapter_resources(adapter);
2085 if (err)
b1fc6d3c
AC		 2086 goto err_out_free_netdev;
2087
2088 adapter->dev_rst_time = jiffies;
7e2cf4fe 2089 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2090 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2091 adapter->fdb_mac_learn = true;
2092 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2093 adapter->drv_mac_learn = true;
7e2cf4fe 2094 adapter->max_drv_tx_rings = 1;
af19b491 2095
b1fc6d3c
AC		 2096 rwlock_init(&adapter->ahw->crb_lock);
2097 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 2098
2099 spin_lock_init(&adapter->tx_clean_lock);
2100 INIT_LIST_HEAD(&adapter->mac_list);
2101
7e2cf4fe 2102 if (qlcnic_82xx_check(adapter)) {
13159183 2103 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2104 adapter->portnum = adapter->ahw->pci_func;
2105 err = qlcnic_start_firmware(adapter);
2106 if (err) {
2107 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2108 goto err_out_free_hw;
2109 }
af19b491 2110
7e2cf4fe
SC		 2111 err = qlcnic_setup_idc_param(adapter);
2112 if (err)
2113 goto err_out_free_hw;
b0044bcf 2114
7e2cf4fe 2115 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 2116 } else if (qlcnic_83xx_check(adapter)) {
2117 qlcnic_83xx_check_vf(adapter, ent);
2118 adapter->portnum = adapter->ahw->pci_func;
f8468331 2119 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2120 if (err) {
2121 dev_err(&pdev->dev, "%s: failed\n", __func__);
2122 goto err_out_free_hw;
2123 }
f8468331
RB		 2124 if (qlcnic_sriov_vf_check(adapter))
2125 return 0;
13159183
SC		 2126 } else {
2127 dev_err(&pdev->dev,
2128 "%s: failed. Please Reboot\n", __func__);
2129 goto err_out_free_hw;
a7fc948f 2130 }
af19b491 2131
da48e6c3
RB		 2132 if (qlcnic_read_mac_addr(adapter))
2133 dev_warn(&pdev->dev, "failed to read mac addr\n");
2134
2135 if (adapter->portnum == 0) {
22999798 2136 qlcnic_get_board_name(adapter, board_name);
13159183 2137
da48e6c3 2138 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2139 module_name(THIS_MODULE),
2140 board_name, adapter->ahw->revision_id);
da48e6c3 2141 }
460374f7
HM		 2142
2143 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2144 !!qlcnic_use_msi)
2145 dev_warn(&pdev->dev,
01b91f4c 2146 "Device does not support MSI interrupts\n");
460374f7 2147
7e2cf4fe 2148 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 2149 if (err) {
2150 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 2151 goto err_out_disable_msi;
9a97e705 2152 }
f94bc1e7 2153
13159183
SC		 2154 if (qlcnic_83xx_check(adapter)) {
2155 err = qlcnic_83xx_setup_mbx_intr(adapter);
2156 if (err)
2157 goto err_out_disable_msi;
2158 }
af19b491 2159
02135582
SC		 2160 err = qlcnic_get_act_pci_func(adapter);
2161 if (err)
2162 goto err_out_disable_mbx_intr;
2163
1bb09fb9 2164 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2165 if (err)
7e2cf4fe 2166 goto err_out_disable_mbx_intr;
af19b491 2167
24866d15
HM		 2168 if (adapter->portnum == 0)
2169 qlcnic_set_drv_version(adapter);
c84e340a 2170
af19b491
AKS		 2171 pci_set_drvdata(pdev, adapter);
2172
97ee45eb
SC		 2173 if (qlcnic_82xx_check(adapter))
2174 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2175 FW_POLL_DELAY);
af19b491 2176
b1fc6d3c 2177 switch (adapter->ahw->port_type) {
af19b491
AKS		 2178 case QLCNIC_GBE:
2179 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2180 adapter->netdev->name);
2181 break;
2182 case QLCNIC_XGBE:
2183 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2184 adapter->netdev->name);
2185 break;
2186 }
2187
fe1adc6b 2188 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2189 qlcnic_alloc_lb_filters_mem(adapter);
2190
7e2cf4fe 2191 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2192
2193 return 0;
2194
7e2cf4fe 2195err_out_disable_mbx_intr:
7dd90cf1 2196 if (qlcnic_83xx_check(adapter))
13159183 2197 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2198
af19b491
AKS		 2199err_out_disable_msi:
2200 qlcnic_teardown_intr(adapter);
7e2cf4fe 2201 qlcnic_cancel_idc_work(adapter);
21854f02 2202 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2203
b1fc6d3c
AC		 2204err_out_free_hw:
2205 qlcnic_free_adapter_resources(adapter);
2206
af19b491
AKS		 2207err_out_free_netdev:
2208 free_netdev(netdev);
2209
7e2cf4fe 2210err_out_iounmap:
f1a094a8 2211 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2212
2213err_out_free_hw_res:
2214 kfree(ahw);
2215
af19b491
AKS		 2216err_out_free_res:
2217 pci_release_regions(pdev);
2218
2219err_out_disable_pdev:
2220 pci_set_drvdata(pdev, NULL);
2221 pci_disable_device(pdev);
2222 return err;
2223}
2224
6bb58bb0 2225static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2226{
2227 struct qlcnic_adapter *adapter;
2228 struct net_device *netdev;
13159183 2229 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2230
2231 adapter = pci_get_drvdata(pdev);
2232 if (adapter == NULL)
2233 return;
2234
2235 netdev = adapter->netdev;
02feda17 2236 qlcnic_sriov_pf_disable(adapter);
af19b491 2237
13159183
SC		 2238 qlcnic_cancel_idc_work(adapter);
2239 ahw = adapter->ahw;
af19b491
AKS		 2240
2241 unregister_netdev(netdev);
02feda17 2242 qlcnic_sriov_cleanup(adapter);
af19b491 2243
13159183 2244 if (qlcnic_83xx_check(adapter)) {
13159183 2245 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2246 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2247 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2248 }
2249
af19b491
AKS		 2250 qlcnic_detach(adapter);
2251
2e9d722d
AC		 2252 if (adapter->npars != NULL)
2253 kfree(adapter->npars);
2254 if (adapter->eswitch != NULL)
2255 kfree(adapter->eswitch);
2256
97ee45eb
SC		 2257 if (qlcnic_82xx_check(adapter))
2258 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2259
2260 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2261
b5e5492c
AKS		 2262 qlcnic_free_lb_filters_mem(adapter);
2263
af19b491
AKS		 2264 qlcnic_teardown_intr(adapter);
2265
13159183 2266 qlcnic_remove_sysfs(adapter);
af19b491 2267
f1a094a8 2268 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2269
2270 qlcnic_release_firmware(adapter);
2271
451724c8 2272 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2273 pci_release_regions(pdev);
2274 pci_disable_device(pdev);
2275 pci_set_drvdata(pdev, NULL);
2276
13159183
SC		 2277 if (adapter->qlcnic_wq) {
2278 destroy_workqueue(adapter->qlcnic_wq);
2279 adapter->qlcnic_wq = NULL;
2280 }
b1fc6d3c 2281 qlcnic_free_adapter_resources(adapter);
13159183 2282 kfree(ahw);
af19b491
AKS		 2283 free_netdev(netdev);
2284}
af19b491
AKS		 2285
2286static void qlcnic_shutdown(struct pci_dev *pdev)
2287{
2288 if (__qlcnic_shutdown(pdev))
2289 return;
2290
2291 pci_disable_device(pdev);
2292}
2293
2294#ifdef CONFIG_PM
486a5bc7 2295static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2296{
2297 int retval;
2298
2299 retval = __qlcnic_shutdown(pdev);
2300 if (retval)
2301 return retval;
2302
2303 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2304 return 0;
2305}
2306
486a5bc7 2307static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2308{
2309 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2310 int err;
2311
2312 err = pci_enable_device(pdev);
2313 if (err)
2314 return err;
2315
2316 pci_set_power_state(pdev, PCI_D0);
2317 pci_set_master(pdev);
2318 pci_restore_state(pdev);
2319
486a5bc7 2320 return __qlcnic_resume(adapter);
af19b491
AKS		 2321}
2322#endif
2323
2324static int qlcnic_open(struct net_device *netdev)
2325{
2326 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2327 int err;
2328
c55ad8e5
AKS		 2329 netif_carrier_off(netdev);
2330
af19b491
AKS		 2331 err = qlcnic_attach(adapter);
2332 if (err)
2333 return err;
2334
2335 err = __qlcnic_up(adapter, netdev);
2336 if (err)
2337 goto err_out;
2338
2339 netif_start_queue(netdev);
2340
2341 return 0;
2342
2343err_out:
2344 qlcnic_detach(adapter);
2345 return err;
2346}
2347
2348/*
2349 * qlcnic_close - Disables a network interface entry point
2350 */
2351static int qlcnic_close(struct net_device *netdev)
2352{
2353 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2354
2355 __qlcnic_down(adapter, netdev);
13159183 2356
af19b491
AKS		 2357 return 0;
2358}
2359
e5dcf6dc 2360void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2361{
2362 void *head;
2363 int i;
13159183
SC		 2364 struct net_device *netdev = adapter->netdev;
2365 u32 filter_size = 0;
2366 u16 act_pci_func = 0;
b5e5492c 2367
e5dcf6dc 2368 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2369 return;
2370
13159183 2371 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2372 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2373 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2374
13159183
SC		 2375 if (qlcnic_82xx_check(adapter)) {
2376 filter_size = QLCNIC_LB_MAX_FILTERS;
2377 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2378 } else {
2379 filter_size = QLC_83XX_LB_MAX_FILTERS;
2380 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2381 }
2382
2383 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2384 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2385
b5e5492c
AKS		 2386 if (!head)
2387 return;
2388
13159183 2389 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2390 adapter->fhash.fhead = head;
b5e5492c 2391
13159183
SC		 2392 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2393 act_pci_func, adapter->fhash.fmax);
2394
2395 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2396 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2397
2398 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2399
2400 head = kcalloc(adapter->rx_fhash.fbucket_size,
2401 sizeof(struct hlist_head), GFP_ATOMIC);
2402
2403 if (!head)
2404 return;
2405
2406 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2407 adapter->rx_fhash.fhead = head;
2408
2409 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2410 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2411}
2412
2413static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2414{
2415 if (adapter->fhash.fmax && adapter->fhash.fhead)
2416 kfree(adapter->fhash.fhead);
2417
2418 adapter->fhash.fhead = NULL;
2419 adapter->fhash.fmax = 0;
53643a75
SS		 2420
2421 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2422 kfree(adapter->rx_fhash.fhead);
2423
2424 adapter->rx_fhash.fmax = 0;
2425 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2426}
2427
629263ac 2428int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2429{
2430 struct net_device *netdev = adapter->netdev;
97ee45eb 2431 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2432 int rv = 0;
2433
13159183
SC		 2434 if (qlcnic_83xx_check(adapter))
2435 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2436
97ee45eb 2437 if (qlcnic_82xx_check(adapter))
a15ebd37 2438 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2439
2440 temp_state = qlcnic_get_temp_state(temp);
2441 temp_val = qlcnic_get_temp_val(temp);
2442
2443 if (temp_state == QLCNIC_TEMP_PANIC) {
2444 dev_err(&netdev->dev,
2445 "Device temperature %d degrees C exceeds"
2446 " maximum allowed. Hardware has been shut down.\n",
2447 temp_val);
2448 rv = 1;
2449 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2450 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2451 dev_err(&netdev->dev,
2452 "Device temperature %d degrees C "
2453 "exceeds operating range."
2454 " Immediate action needed.\n",
2455 temp_val);
2456 }
2457 } else {
79788450 2458 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2459 dev_info(&netdev->dev,
2460 "Device temperature is now %d degrees C"
2461 " in normal range.\n", temp_val);
2462 }
2463 }
79788450 2464 adapter->ahw->temp = temp_state;
af19b491
AKS		 2465 return rv;
2466}
2467
af19b491
AKS		 2468static void qlcnic_tx_timeout(struct net_device *netdev)
2469{
2470 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2471
2472 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2473 return;
2474
536faa61
SC		 2475 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2476 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2477 if (qlcnic_82xx_check(adapter))
2478 adapter->need_fw_reset = 1;
2479 else if (qlcnic_83xx_check(adapter))
2480 qlcnic_83xx_idc_request_reset(adapter,
2481 QLCNIC_FORCE_FW_DUMP_KEY);
2482 } else {
2483 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
79788450 2484 adapter->ahw->reset_context = 1;
536faa61 2485 }
af19b491
AKS		 2486}
2487
2488static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2489{
2490 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2491 struct net_device_stats *stats = &netdev->stats;
2492
af19b491
AKS		 2493 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2494 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2495 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2496 stats->tx_bytes = adapter->stats.txbytes;
2497 stats->rx_dropped = adapter->stats.rxdropped;
2498 stats->tx_dropped = adapter->stats.txdropped;
2499
2500 return stats;
2501}
2502
7e2cf4fe 2503irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2504{
af19b491
AKS		 2505 u32 status;
2506
2507 status = readl(adapter->isr_int_vec);
2508
79788450 2509 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2510 return IRQ_NONE;
2511
2512 /* check interrupt state machine, to be sure */
2513 status = readl(adapter->crb_int_state_reg);
2514 if (!ISR_LEGACY_INT_TRIGGERED(status))
2515 return IRQ_NONE;
2516
2517 writel(0xffffffff, adapter->tgt_status_reg);
2518 /* read twice to ensure write is flushed */
2519 readl(adapter->isr_int_vec);
2520 readl(adapter->isr_int_vec);
2521
7eb9855d
AKS		 2522 return IRQ_HANDLED;
2523}
2524
2525static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2526{
2527 struct qlcnic_host_sds_ring *sds_ring = data;
2528 struct qlcnic_adapter *adapter = sds_ring->adapter;
2529
2530 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2531 goto done;
2532 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2533 writel(0xffffffff, adapter->tgt_status_reg);
2534 goto done;
2535 }
2536
2537 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2538 return IRQ_NONE;
2539
2540done:
79788450 2541 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2542 qlcnic_enable_int(sds_ring);
2543 return IRQ_HANDLED;
2544}
2545
2546static irqreturn_t qlcnic_intr(int irq, void *data)
2547{
2548 struct qlcnic_host_sds_ring *sds_ring = data;
2549 struct qlcnic_adapter *adapter = sds_ring->adapter;
2550
2551 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2552 return IRQ_NONE;
2553
af19b491
AKS		 2554 napi_schedule(&sds_ring->napi);
2555
2556 return IRQ_HANDLED;
2557}
2558
2559static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2560{
2561 struct qlcnic_host_sds_ring *sds_ring = data;
2562 struct qlcnic_adapter *adapter = sds_ring->adapter;
2563
2564 /* clear interrupt */
2565 writel(0xffffffff, adapter->tgt_status_reg);
2566
2567 napi_schedule(&sds_ring->napi);
2568 return IRQ_HANDLED;
2569}
2570
2571static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2572{
2573 struct qlcnic_host_sds_ring *sds_ring = data;
2574
2575 napi_schedule(&sds_ring->napi);
2576 return IRQ_HANDLED;
2577}
2578
13159183
SC		 2579static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2580{
2581 struct qlcnic_host_tx_ring *tx_ring = data;
2582
2583 napi_schedule(&tx_ring->napi);
2584 return IRQ_HANDLED;
2585}
2586
af19b491
AKS		 2587#ifdef CONFIG_NET_POLL_CONTROLLER
2588static void qlcnic_poll_controller(struct net_device *netdev)
2589{
bf82791e
YL		 2590 int ring;
2591 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2592 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2593 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2594
af19b491 2595 disable_irq(adapter->irq);
bf82791e
YL		 2596 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2597 sds_ring = &recv_ctx->sds_rings[ring];
2598 qlcnic_intr(adapter->irq, sds_ring);
2599 }
af19b491
AKS		 2600 enable_irq(adapter->irq);
2601}
2602#endif
2603
6df900e9
SC		 2604static void
2605qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2606{
2607 u32 val;
2608
2609 val = adapter->portnum & 0xf;
2610 val |= encoding << 7;
2611 val |= (jiffies - adapter->dev_rst_time) << 8;
2612
a15ebd37 2613 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2614 adapter->dev_rst_time = jiffies;
2615}
2616
ade91f8e
AKS		 2617static int
2618qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2619{
2620 u32 val;
2621
2622 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2623 state != QLCNIC_DEV_NEED_QUISCENT);
2624
2625 if (qlcnic_api_lock(adapter))
ade91f8e 2626 return -EIO;
af19b491 2627
a15ebd37 2628 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2629
2630 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2631 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2632 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2633 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2634
a15ebd37 2635 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2636
2637 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2638
2639 return 0;
af19b491
AKS		 2640}
2641
1b95a839
AKS		 2642static int
2643qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2644{
2645 u32 val;
2646
2647 if (qlcnic_api_lock(adapter))
2648 return -EBUSY;
2649
a15ebd37 2650 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2651 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2652 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2653
2654 qlcnic_api_unlock(adapter);
2655
2656 return 0;
2657}
2658
486a5bc7 2659void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2660{
2661 u32 val;
2662
2663 if (qlcnic_api_lock(adapter))
2664 goto err;
2665
a15ebd37 2666 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2667 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2669
21854f02 2670 if (failed) {
a15ebd37
HM		 2671 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2672 QLCNIC_DEV_FAILED);
21854f02
AKS		 2673 dev_info(&adapter->pdev->dev,
2674 "Device state set to Failed. Please Reboot\n");
2675 } else if (!(val & 0x11111111))
a15ebd37
HM		 2676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2677 QLCNIC_DEV_COLD);
af19b491 2678
a15ebd37 2679 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2680 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2681 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2682
2683 qlcnic_api_unlock(adapter);
2684err:
2685 adapter->fw_fail_cnt = 0;
032a13c7 2686 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2687 clear_bit(__QLCNIC_START_FW, &adapter->state);
2688 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2689}
2690
f73dfc50 2691/* Grab api lock, before checking state */
af19b491
AKS		 2692static int
2693qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2694{
602ca6f0 2695 int act, state, active_mask;
a15ebd37 2696 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2697
a15ebd37
HM		 2698 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2699 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2700
602ca6f0 2701 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2702 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2703 act = act & active_mask;
2704 }
2705
af19b491
AKS		 2706 if (((state & 0x11111111) == (act & 0x11111111)) ||
2707 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2708 return 0;
2709 else
2710 return 1;
2711}
2712
96f8118c
SC		 2713static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2714{
a15ebd37 2715 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2716
2717 if (val != QLCNIC_DRV_IDC_VER) {
2718 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2719 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2720 }
2721
2722 return 0;
2723}
2724
af19b491
AKS		 2725static int
2726qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2727{
2728 u32 val, prev_state;
aa5e18c0 2729 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2730 u8 portnum = adapter->portnum;
96f8118c 2731 u8 ret;
af19b491 2732
f73dfc50
AKS		 2733 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2734 return 1;
2735
af19b491
AKS		 2736 if (qlcnic_api_lock(adapter))
2737 return -1;
2738
a15ebd37 2739 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2740 if (!(val & (1 << (portnum * 4)))) {
2741 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2742 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2743 }
2744
a15ebd37 2745 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2746 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2747
2748 switch (prev_state) {
2749 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2750 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2751 QLCNIC_DEV_INITIALIZING);
2752 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2753 QLCNIC_DRV_IDC_VER);
6df900e9 2754 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2755 qlcnic_api_unlock(adapter);
2756 return 1;
2757
2758 case QLCNIC_DEV_READY:
96f8118c 2759 ret = qlcnic_check_idc_ver(adapter);
af19b491 2760 qlcnic_api_unlock(adapter);
96f8118c 2761 return ret;
af19b491
AKS		 2762
2763 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2764 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2765 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2766 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2767 break;
2768
2769 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2770 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2771 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2772 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2773 break;
2774
2775 case QLCNIC_DEV_FAILED:
a7fc948f 2776 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2777 qlcnic_api_unlock(adapter);
2778 return -1;
bbd8c6a4
AKS		 2779
2780 case QLCNIC_DEV_INITIALIZING:
2781 case QLCNIC_DEV_QUISCENT:
2782 break;
af19b491
AKS		 2783 }
2784
2785 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2786
2787 do {
af19b491 2788 msleep(1000);
a15ebd37 2789 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2790
2791 if (prev_state == QLCNIC_DEV_QUISCENT)
2792 continue;
2793 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2794
65b5b420
AKS		 2795 if (!dev_init_timeo) {
2796 dev_err(&adapter->pdev->dev,
2797 "Waiting for device to initialize timeout\n");
af19b491 2798 return -1;
65b5b420 2799 }
af19b491
AKS		 2800
2801 if (qlcnic_api_lock(adapter))
2802 return -1;
2803
a15ebd37 2804 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2805 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2806 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2807
96f8118c 2808 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2809 qlcnic_api_unlock(adapter);
2810
96f8118c 2811 return ret;
af19b491
AKS		 2812}
2813
2814static void
2815qlcnic_fwinit_work(struct work_struct *work)
2816{
2817 struct qlcnic_adapter *adapter = container_of(work,
2818 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2819 u32 dev_state = 0xf;
7b749ff4 2820 u32 val;
af19b491 2821
f73dfc50
AKS		 2822 if (qlcnic_api_lock(adapter))
2823 goto err_ret;
af19b491 2824
a15ebd37 2825 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2826 if (dev_state == QLCNIC_DEV_QUISCENT ||
2827 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2828 qlcnic_api_unlock(adapter);
2829 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2830 FW_POLL_DELAY * 2);
2831 return;
2832 }
2833
79788450 2834 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2835 qlcnic_api_unlock(adapter);
2836 goto wait_npar;
9f26f547
AC		 2837 }
2838
16e3cf73
SV		 2839 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2840 dev_state == QLCNIC_DEV_READY) {
2841 dev_info(&adapter->pdev->dev, "Detected state change from "
2842 "DEV_NEED_RESET, skipping ack check\n");
2843 goto skip_ack_check;
2844 }
2845
f73dfc50 2846 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2847 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2848 adapter->reset_ack_timeo);
2849 goto skip_ack_check;
2850 }
2851
2852 if (!qlcnic_check_drv_state(adapter)) {
2853skip_ack_check:
a15ebd37 2854 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2855
f73dfc50 2856 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2857 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2858 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2859 set_bit(__QLCNIC_START_FW, &adapter->state);
2860 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2861 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2862 val = QLC_SHARED_REG_RD32(adapter,
2863 QLCNIC_CRB_DRV_STATE);
7b749ff4 2864 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2865 QLC_SHARED_REG_WR32(adapter,
2866 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2867 }
2868
f73dfc50
AKS		 2869 qlcnic_api_unlock(adapter);
2870
287e38aa 2871 rtnl_lock();
7b749ff4
SV		 2872 if (adapter->ahw->fw_dump.enable &&
2873 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2874 QLCDB(adapter, DRV, "Take FW dump\n");
2875 qlcnic_dump_fw(adapter);
032a13c7 2876 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2877 }
287e38aa 2878 rtnl_unlock();
7b749ff4
SV		 2879
2880 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2881 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2882 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2883 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2884 return;
2885 }
af19b491
AKS		 2886 goto err_ret;
2887 }
2888
f73dfc50 2889 qlcnic_api_unlock(adapter);
aa5e18c0 2890
9f26f547 2891wait_npar:
a15ebd37 2892 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2893 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2894
af19b491 2895 switch (dev_state) {
3c4b23b1 2896 case QLCNIC_DEV_READY:
7e2cf4fe 2897 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2898 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2899 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2900 return;
2901 }
3c4b23b1
AKS		 2902 case QLCNIC_DEV_FAILED:
2903 break;
2904 default:
2905 qlcnic_schedule_work(adapter,
2906 qlcnic_fwinit_work, FW_POLL_DELAY);
2907 return;
af19b491
AKS		 2908 }
2909
2910err_ret:
f73dfc50
AKS		 2911 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2912 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2913 netif_device_attach(adapter->netdev);
21854f02 2914 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2915}
2916
2917static void
2918qlcnic_detach_work(struct work_struct *work)
2919{
2920 struct qlcnic_adapter *adapter = container_of(work,
2921 struct qlcnic_adapter, fw_work.work);
2922 struct net_device *netdev = adapter->netdev;
2923 u32 status;
2924
2925 netif_device_detach(netdev);
2926
b8c17620
AKS		 2927 /* Dont grab rtnl lock during Quiscent mode */
2928 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2929 if (netif_running(netdev))
2930 __qlcnic_down(adapter, netdev);
2931 } else
2932 qlcnic_down(adapter, netdev);
af19b491 2933
a15ebd37 2934 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2935
44f65b29
SC		 2936 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2937 dev_err(&adapter->pdev->dev,
2938 "Detaching the device: peg halt status1=0x%x\n",
2939 status);
2940
2941 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2942 dev_err(&adapter->pdev->dev,
2943 "On board active cooling fan failed. "
2944 "Device has been halted.\n");
2945 dev_err(&adapter->pdev->dev,
2946 "Replace the adapter.\n");
2947 }
2948
af19b491 2949 goto err_ret;
44f65b29 2950 }
af19b491 2951
79788450 2952 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2953 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2954 adapter->ahw->temp);
af19b491 2955 goto err_ret;
44f65b29
SC		 2956 }
2957
602ca6f0
SV		 2958 /* Dont ack if this instance is the reset owner */
2959 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2960 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2961 dev_err(&adapter->pdev->dev,
2962 "Failed to set driver state,"
2963 "detaching the device.\n");
602ca6f0 2964 goto err_ret;
44f65b29 2965 }
602ca6f0 2966 }
af19b491
AKS		 2967
2968 adapter->fw_wait_cnt = 0;
2969
2970 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2971
2972 return;
2973
2974err_ret:
34ce3626 2975 netif_device_attach(netdev);
21854f02 2976 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2977}
2978
3c4b23b1
AKS		 2979/*Transit NPAR state to NON Operational */
2980static void
2981qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2982{
2983 u32 state;
2984
a15ebd37 2985 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2986 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2987 return;
2988
2989 if (qlcnic_api_lock(adapter))
2990 return;
a15ebd37
HM		 2991 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2992 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2993 qlcnic_api_unlock(adapter);
2994}
2995
7e2cf4fe 2996void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2997{
646779f1
SV		 2998 u32 state, xg_val = 0, gb_val = 0;
2999
3000 qlcnic_xg_set_xg0_mask(xg_val);
3001 qlcnic_xg_set_xg1_mask(xg_val);
3002 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3003 qlcnic_gb_set_gb0_mask(gb_val);
3004 qlcnic_gb_set_gb1_mask(gb_val);
3005 qlcnic_gb_set_gb2_mask(gb_val);
3006 qlcnic_gb_set_gb3_mask(gb_val);
3007 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3008 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3009 " on all ports\n");
cea8975e 3010 adapter->need_fw_reset = 1;
13159183 3011
af19b491
AKS		 3012 if (qlcnic_api_lock(adapter))
3013 return;
3014
13159183 3015 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 3016
f73dfc50 3017 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3018 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3019 QLCNIC_DEV_NEED_RESET);
602ca6f0 3020 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3021 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3022 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3023 }
3024
13159183
SC		 3025 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3026 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3027 qlcnic_api_unlock(adapter);
3028}
3029
9f26f547
AC		 3030/* Transit to NPAR READY state from NPAR NOT READY state */
3031static void
3032qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3033{
9f26f547
AC		 3034 if (qlcnic_api_lock(adapter))
3035 return;
3036
a15ebd37
HM		 3037 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3038 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3039 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3040
3041 qlcnic_api_unlock(adapter);
3042}
3043
13159183
SC		 3044void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3045 work_func_t func, int delay)
af19b491 3046{
451724c8
SC		 3047 if (test_bit(__QLCNIC_AER, &adapter->state))
3048 return;
3049
af19b491 3050 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3051 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3052 round_jiffies_relative(delay));
af19b491
AKS		 3053}
3054
3055static void
3056qlcnic_attach_work(struct work_struct *work)
3057{
3058 struct qlcnic_adapter *adapter = container_of(work,
3059 struct qlcnic_adapter, fw_work.work);
3060 struct net_device *netdev = adapter->netdev;
b18971d1 3061 u32 npar_state;
af19b491 3062
79788450 3063 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3064 npar_state = QLC_SHARED_REG_RD32(adapter,
3065 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3066 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3067 qlcnic_clr_all_drv_state(adapter, 0);
3068 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3069 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3070 FW_POLL_DELAY);
3071 else
3072 goto attach;
3073 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3074 return;
3075 }
3076attach:
af19b491 3077 if (netif_running(netdev)) {
52486a3a 3078 if (qlcnic_up(adapter, netdev))
af19b491 3079 goto done;
af19b491 3080
aec1e845 3081 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3082 }
3083
af19b491 3084done:
34ce3626 3085 netif_device_attach(netdev);
af19b491 3086 adapter->fw_fail_cnt = 0;
032a13c7 3087 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3088 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3089 if (adapter->portnum == 0)
3090 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3091
3092 if (!qlcnic_clr_drv_state(adapter))
3093 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3094 FW_POLL_DELAY);
af19b491
AKS		 3095}
3096
3097static int
3098qlcnic_check_health(struct qlcnic_adapter *adapter)
3099{
4e70812b 3100 u32 state = 0, heartbeat;
853d4bca 3101 u32 peg_status;
4bd8e738 3102 int err = 0;
af19b491
AKS		 3103
3104 if (qlcnic_check_temp(adapter))
3105 goto detach;
3106
2372a5f1 3107 if (adapter->need_fw_reset)
7e2cf4fe 3108 qlcnic_dev_request_reset(adapter, 0);
af19b491 3109
a15ebd37 3110 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3111 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3112 qlcnic_set_npar_non_operational(adapter);
af19b491 3113 adapter->need_fw_reset = 1;
b8c17620
AKS		 3114 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3115 goto detach;
af19b491 3116
a15ebd37 3117 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3118 if (heartbeat != adapter->heartbeat) {
3119 adapter->heartbeat = heartbeat;
af19b491
AKS		 3120 adapter->fw_fail_cnt = 0;
3121 if (adapter->need_fw_reset)
3122 goto detach;
68bf1c68 3123
0ce54ce4 3124 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3125 qlcnic_reset_hw_context(adapter);
68bf1c68 3126
af19b491
AKS		 3127 return 0;
3128 }
3129
3130 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3131 return 0;
3132
032a13c7
SV		 3133 adapter->flags |= QLCNIC_FW_HANG;
3134
7e2cf4fe 3135 qlcnic_dev_request_reset(adapter, 0);
af19b491 3136
099f7aa7 3137 if (qlcnic_auto_fw_reset)
0df170b6 3138 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3139
853d4bca 3140 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3141 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3142 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3143 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3144 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3145 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3146 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3147 peg_status,
3148 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3149 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3150 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3151 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3152 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3153 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3154 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3155 dev_err(&adapter->pdev->dev,
3156 "Firmware aborted with error code 0x00006700. "
3157 "Device is being reset.\n");
af19b491
AKS		 3158detach:
3159 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3160 QLCNIC_DEV_NEED_RESET;
3161
099f7aa7
SC		 3162 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3163 &adapter->state)) {
65b5b420 3164
af19b491 3165 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3166 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3167 }
af19b491
AKS		 3168
3169 return 1;
3170}
3171
486a5bc7 3172void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3173{
3174 struct qlcnic_adapter *adapter = container_of(work,
3175 struct qlcnic_adapter, fw_work.work);
3176
3177 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3178 goto reschedule;
3179
3180
3181 if (qlcnic_check_health(adapter))
3182 return;
3183
b5e5492c
AKS		 3184 if (adapter->fhash.fnum)
3185 qlcnic_prune_lb_filters(adapter);
3186
af19b491
AKS		 3187reschedule:
3188 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3189}
3190
451724c8
SC		 3191static int qlcnic_is_first_func(struct pci_dev *pdev)
3192{
3193 struct pci_dev *oth_pdev;
3194 int val = pdev->devfn;
3195
3196 while (val-- > 0) {
3197 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3198 (pdev->bus), pdev->bus->number,
3199 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3200 if (!oth_pdev)
3201 continue;
451724c8 3202
bfc978fa
AKS		 3203 if (oth_pdev->current_state != PCI_D3cold) {
3204 pci_dev_put(oth_pdev);
451724c8 3205 return 0;
bfc978fa
AKS		 3206 }
3207 pci_dev_put(oth_pdev);
451724c8
SC		 3208 }
3209 return 1;
3210}
3211
3212static int qlcnic_attach_func(struct pci_dev *pdev)
3213{
3214 int err, first_func;
3215 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3216 struct net_device *netdev = adapter->netdev;
3217
3218 pdev->error_state = pci_channel_io_normal;
3219
3220 err = pci_enable_device(pdev);
3221 if (err)
3222 return err;
3223
451724c8
SC		 3224 pci_set_master(pdev);
3225 pci_restore_state(pdev);
3226
3227 first_func = qlcnic_is_first_func(pdev);
3228
3229 if (qlcnic_api_lock(adapter))
3230 return -EINVAL;
3231
79788450 3232 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3233 adapter->need_fw_reset = 1;
3234 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3235 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3236 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3237 QLCDB(adapter, DRV, "Restarting fw\n");
3238 }
3239 qlcnic_api_unlock(adapter);
3240
13159183 3241 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3242 if (err)
3243 return err;
3244
3245 qlcnic_clr_drv_state(adapter);
13159183
SC		 3246 kfree(adapter->msix_entries);
3247 adapter->msix_entries = NULL;
3248 err = qlcnic_setup_intr(adapter, 0);
3249
9a97e705
M		 3250 if (err) {
3251 kfree(adapter->msix_entries);
3252 netdev_err(netdev, "failed to setup interrupt\n");
3253 return err;
3254 }
3255
13159183 3256 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3257 /* register for NIC IDC AEN Events */
3258 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3259 err = qlcnic_83xx_setup_mbx_intr(adapter);
3260 if (err) {
3261 dev_err(&adapter->pdev->dev,
3262 "failed to setup mbx interrupt\n");
3263 qlcnic_clr_all_drv_state(adapter, 1);
3264 clear_bit(__QLCNIC_AER, &adapter->state);
3265 goto done;
3266 }
3267 }
451724c8
SC		 3268
3269 if (netif_running(netdev)) {
3270 err = qlcnic_attach(adapter);
3271 if (err) {
21854f02 3272 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3273 clear_bit(__QLCNIC_AER, &adapter->state);
3274 netif_device_attach(netdev);
3275 return err;
3276 }
3277
3278 err = qlcnic_up(adapter, netdev);
3279 if (err)
3280 goto done;
3281
aec1e845 3282 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3283 }
3284 done:
3285 netif_device_attach(netdev);
3286 return err;
3287}
3288
3289static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3290 pci_channel_state_t state)
3291{
3292 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3293 struct net_device *netdev = adapter->netdev;
3294
3295 if (state == pci_channel_io_perm_failure)
3296 return PCI_ERS_RESULT_DISCONNECT;
3297
3298 if (state == pci_channel_io_normal)
3299 return PCI_ERS_RESULT_RECOVERED;
3300
3301 set_bit(__QLCNIC_AER, &adapter->state);
3302 netif_device_detach(netdev);
3303
3304 cancel_delayed_work_sync(&adapter->fw_work);
3305
3306 if (netif_running(netdev))
3307 qlcnic_down(adapter, netdev);
3308
13159183 3309 if (qlcnic_83xx_check(adapter)) {
13159183 3310 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3311 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3312 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3313 }
3314
451724c8
SC		 3315 qlcnic_detach(adapter);
3316 qlcnic_teardown_intr(adapter);
3317
3318 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3319
3320 pci_save_state(pdev);
3321 pci_disable_device(pdev);
3322
3323 return PCI_ERS_RESULT_NEED_RESET;
3324}
3325
3326static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3327{
3328 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3329 PCI_ERS_RESULT_RECOVERED;
3330}
3331
3332static void qlcnic_io_resume(struct pci_dev *pdev)
3333{
a15ebd37 3334 u32 state;
451724c8
SC		 3335 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3336
3337 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3338 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3339 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3340 &adapter->state))
451724c8
SC		 3341 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3342 FW_POLL_DELAY);
3343}
3344
87eb743b
AC		 3345static int
3346qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3347{
3348 int err;
3349
3350 err = qlcnic_can_start_firmware(adapter);
3351 if (err)
3352 return err;
3353
78f84e1a
AKS		 3354 err = qlcnic_check_npar_opertional(adapter);
3355 if (err)
3356 return err;
3c4b23b1 3357
174240a8
RB		 3358 err = qlcnic_initialize_nic(adapter);
3359 if (err)
3360 return err;
3361
87eb743b
AC		 3362 qlcnic_check_options(adapter);
3363
7373373d
RB		 3364 err = qlcnic_set_eswitch_port_config(adapter);
3365 if (err)
3366 return err;
3367
87eb743b
AC		 3368 adapter->need_fw_reset = 0;
3369
3370 return err;
3371}
3372
6389b76d
MC		 3373int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3374 __u32 val)
f94bc1e7 3375{
6389b76d
MC		 3376 struct net_device *netdev = adapter->netdev;
3377 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3378 u32 max_allowed;
3379
6389b76d
MC		 3380 if (val > QLC_MAX_SDS_RINGS) {
3381 netdev_err(netdev, "RSS value should not be higher than %u\n",
3382 QLC_MAX_SDS_RINGS);
3383 return -EINVAL;
f94bc1e7
SC		 3384 }
3385
319ecf12
SC		 3386 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3387 num_online_cpus()));
3388 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3389 if (!is_power_of_2(val))
3390 netdev_err(netdev, "RSS value should be a power of 2\n");
3391
3392 if (val < 2)
3393 netdev_err(netdev, "RSS value should not be lower than 2\n");
3394
3395 if (val > max_hw)
3396 netdev_err(netdev,
3397 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3398 max_hw);
3399
3400 if (val > num_online_cpus())
3401 netdev_err(netdev,
3402 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3403 num_online_cpus());
3404
3405 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3406
f94bc1e7
SC		 3407 return -EINVAL;
3408 }
3409 return 0;
f94bc1e7
SC		 3410}
3411
319ecf12 3412int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3413{
13159183 3414 int err;
f94bc1e7 3415 struct net_device *netdev = adapter->netdev;
f94bc1e7 3416
319ecf12
SC		 3417 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3418 return -EBUSY;
3419
f94bc1e7
SC		 3420 netif_device_detach(netdev);
3421 if (netif_running(netdev))
3422 __qlcnic_down(adapter, netdev);
13159183 3423
7dd90cf1
SC		 3424 qlcnic_detach(adapter);
3425
7ed3ce48 3426 if (qlcnic_83xx_check(adapter)) {
13159183 3427 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3428 qlcnic_83xx_enable_mbx_poll(adapter);
3429 }
13159183 3430
f94bc1e7 3431 qlcnic_teardown_intr(adapter);
319ecf12 3432 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3433 if (err) {
3434 kfree(adapter->msix_entries);
3435 netdev_err(netdev, "failed to setup interrupt\n");
3436 return err;
3437 }
f94bc1e7 3438
13159183 3439 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3440 /* register for NIC IDC AEN Events */
3441 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3442 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3443 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3444 if (err) {
3445 dev_err(&adapter->pdev->dev,
3446 "failed to setup mbx interrupt\n");
3447 goto done;
3448 }
f94bc1e7
SC		 3449 }
3450
3451 if (netif_running(netdev)) {
3452 err = qlcnic_attach(adapter);
3453 if (err)
3454 goto done;
3455 err = __qlcnic_up(adapter, netdev);
3456 if (err)
3457 goto done;
3458 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3459 }
319ecf12 3460 err = len;
f94bc1e7
SC		 3461 done:
3462 netif_device_attach(netdev);
3463 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3464 return err;
3465}
3466
af19b491
AKS		 3467#ifdef CONFIG_INET
3468
3469#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3470
af19b491 3471static void
aec1e845
AKS		 3472qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3473 struct net_device *dev, unsigned long event)
af19b491
AKS		 3474{
3475 struct in_device *indev;
af19b491 3476
af19b491
AKS		 3477 indev = in_dev_get(dev);
3478 if (!indev)
3479 return;
3480
3481 for_ifa(indev) {
3482 switch (event) {
3483 case NETDEV_UP:
3484 qlcnic_config_ipaddr(adapter,
3485 ifa->ifa_address, QLCNIC_IP_UP);
3486 break;
3487 case NETDEV_DOWN:
3488 qlcnic_config_ipaddr(adapter,
3489 ifa->ifa_address, QLCNIC_IP_DOWN);
3490 break;
3491 default:
3492 break;
3493 }
3494 } endfor_ifa(indev);
3495
3496 in_dev_put(indev);
af19b491
AKS		 3497}
3498
319ecf12 3499void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3500{
3501 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3502 struct net_device *dev;
3503 u16 vid;
3504
3505 qlcnic_config_indev_addr(adapter, netdev, event);
3506
43c00a75 3507 rcu_read_lock();
b9796a14 3508 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3509 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3510 if (!dev)
3511 continue;
aec1e845
AKS		 3512 qlcnic_config_indev_addr(adapter, dev, event);
3513 }
43c00a75 3514 rcu_read_unlock();
aec1e845
AKS		 3515}
3516
af19b491
AKS		 3517static int qlcnic_netdev_event(struct notifier_block *this,
3518 unsigned long event, void *ptr)
3519{
3520 struct qlcnic_adapter *adapter;
351638e7 3521 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 3522
3523recheck:
3524 if (dev == NULL)
3525 goto done;
3526
3527 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3528 dev = vlan_dev_real_dev(dev);
3529 goto recheck;
3530 }
3531
3532 if (!is_qlcnic_netdev(dev))
3533 goto done;
3534
3535 adapter = netdev_priv(dev);
3536
3537 if (!adapter)
3538 goto done;
3539
8a15ad1f 3540 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3541 goto done;
3542
aec1e845 3543 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3544done:
3545 return NOTIFY_DONE;
3546}
3547
3548static int
3549qlcnic_inetaddr_event(struct notifier_block *this,
3550 unsigned long event, void *ptr)
3551{
3552 struct qlcnic_adapter *adapter;
3553 struct net_device *dev;
3554
3555 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3556
3557 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3558
3559recheck:
aec1e845 3560 if (dev == NULL)
af19b491
AKS		 3561 goto done;
3562
3563 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3564 dev = vlan_dev_real_dev(dev);
3565 goto recheck;
3566 }
3567
3568 if (!is_qlcnic_netdev(dev))
3569 goto done;
3570
3571 adapter = netdev_priv(dev);
3572
251a84c9 3573 if (!adapter)
af19b491
AKS		 3574 goto done;
3575
8a15ad1f 3576 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3577 goto done;
3578
3579 switch (event) {
3580 case NETDEV_UP:
3581 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3582
af19b491
AKS		 3583 break;
3584 case NETDEV_DOWN:
3585 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3586
af19b491
AKS		 3587 break;
3588 default:
3589 break;
3590 }
3591
3592done:
3593 return NOTIFY_DONE;
3594}
3595
3596static struct notifier_block qlcnic_netdev_cb = {
3597 .notifier_call = qlcnic_netdev_event,
3598};
3599
3600static struct notifier_block qlcnic_inetaddr_cb = {
3601 .notifier_call = qlcnic_inetaddr_event,
3602};
3603#else
f8ca2b6f 3604void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3605{ }
3606#endif
fec9dd15 3607static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3608 .error_detected = qlcnic_io_error_detected,
3609 .slot_reset = qlcnic_io_slot_reset,
3610 .resume = qlcnic_io_resume,
3611};
af19b491
AKS		 3612
3613static struct pci_driver qlcnic_driver = {
3614 .name = qlcnic_driver_name,
3615 .id_table = qlcnic_pci_tbl,
3616 .probe = qlcnic_probe,
6bb58bb0 3617 .remove = qlcnic_remove,
af19b491
AKS		 3618#ifdef CONFIG_PM
3619 .suspend = qlcnic_suspend,
3620 .resume = qlcnic_resume,
3621#endif
451724c8 3622 .shutdown = qlcnic_shutdown,
02feda17
RB		 3623 .err_handler = &qlcnic_err_handler,
3624#ifdef CONFIG_QLCNIC_SRIOV
3625 .sriov_configure = qlcnic_pci_sriov_configure,
3626#endif
451724c8 3627
af19b491
AKS		 3628};
3629
3630static int __init qlcnic_init_module(void)
3631{
0cf3a14c 3632 int ret;
af19b491
AKS		 3633
3634 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3635
3636#ifdef CONFIG_INET
3637 register_netdevice_notifier(&qlcnic_netdev_cb);
3638 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3639#endif
3640
0cf3a14c
AKS		 3641 ret = pci_register_driver(&qlcnic_driver);
3642 if (ret) {
3643#ifdef CONFIG_INET
3644 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3645 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3646#endif
3647 }
af19b491 3648
0cf3a14c 3649 return ret;
af19b491
AKS		 3650}
3651
3652module_init(qlcnic_init_module);
3653
3654static void __exit qlcnic_exit_module(void)
3655{
af19b491
AKS		 3656 pci_unregister_driver(&qlcnic_driver);
3657
3658#ifdef CONFIG_INET
3659 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3660 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3661#endif
3662}
3663
3664module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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