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qlcnic: Disable INT-x interrupt for 83xx on driver unload
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
9fd13331 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
9fd13331 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
9fd13331 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
9fd13331 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
629263ac 55int qlcnic_config_npars;
b11a25aa 56module_param(qlcnic_config_npars, int, 0444);
9fd13331 57MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled)");
2e9d722d 58
1dd06ae8 59static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 60static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 61static int qlcnic_open(struct net_device *netdev);
62static int qlcnic_close(struct net_device *netdev);
af19b491 63static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 64static void qlcnic_attach_work(struct work_struct *work);
65static void qlcnic_fwinit_work(struct work_struct *work);
66static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 67#ifdef CONFIG_NET_POLL_CONTROLLER
68static void qlcnic_poll_controller(struct net_device *netdev);
69#endif
70
6df900e9 71static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 72static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 73static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
74
7eb9855d 75static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 76static irqreturn_t qlcnic_intr(int irq, void *data);
77static irqreturn_t qlcnic_msi_intr(int irq, void *data);
78static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 79static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 80
81static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 82static int qlcnic_start_firmware(struct qlcnic_adapter *);
83
b5e5492c 84static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 85static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 86static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 87static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
88static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 89
13159183
SC		 90static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
91{
92 struct qlcnic_hardware_context *ahw = adapter->ahw;
93
94 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
95 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
96 else
97 return 1;
98}
99
af19b491
AKS		 100/* PCI Device ID Table */
101#define ENTRY(device) \
102 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
103 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
104
6a902881 105static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 107 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 108 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
af19b491
AKS		 109 {0,}
110};
111
112MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
113
114
5ad6ff9d 115inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 116{
117 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 118}
119
120static const u32 msi_tgt_status[8] = {
121 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
122 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
123 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
124 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
125};
126
7e2cf4fe
SC		 127static const u32 qlcnic_reg_tbl[] = {
128 0x1B20A8, /* PEG_HALT_STAT1 */
129 0x1B20AC, /* PEG_HALT_STAT2 */
130 0x1B20B0, /* FW_HEARTBEAT */
131 0x1B2100, /* LOCK ID */
132 0x1B2128, /* FW_CAPABILITIES */
133 0x1B2138, /* drv active */
134 0x1B2140, /* dev state */
135 0x1B2144, /* drv state */
136 0x1B2148, /* drv scratch */
137 0x1B214C, /* dev partition info */
138 0x1B2174, /* drv idc ver */
139 0x1B2150, /* fw version major */
140 0x1B2154, /* fw version minor */
141 0x1B2158, /* fw version sub */
142 0x1B219C, /* npar state */
143 0x1B21FC, /* FW_IMG_VALID */
144 0x1B2250, /* CMD_PEG_STATE */
145 0x1B233C, /* RCV_PEG_STATE */
146 0x1B23B4, /* ASIC TEMP */
147 0x1B216C, /* FW api */
148 0x1B2170, /* drv op mode */
149 0x13C010, /* flash lock */
150 0x13C014, /* flash unlock */
151};
152
22999798 153static const struct qlcnic_board_info qlcnic_boards[] = {
e386cd4a
HM		 154 { PCI_VENDOR_ID_QLOGIC,
155 PCI_DEVICE_ID_QLOGIC_QLE834X,
156 PCI_VENDOR_ID_QLOGIC,
157 0x24e,
158 "8300 Series Dual 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 0x243,
164 "8300 Series Single 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 0x24a,
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 0x246,
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 0x252,
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 0x26e,
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 0x260,
194 "8300 Series Dual 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 0x266,
200 "8300 Series Single 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 0x269,
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 PCI_VENDOR_ID_QLOGIC,
211 0x271,
212 "8300 Series Dual Port 10GbE Converged Network Adapter "
213 "(TCP/IP Networking)" },
214 { PCI_VENDOR_ID_QLOGIC,
215 PCI_DEVICE_ID_QLOGIC_QLE834X,
216 0x0, 0x0, "8300 Series 1/10GbE Controller" },
217 { PCI_VENDOR_ID_QLOGIC,
218 PCI_DEVICE_ID_QLOGIC_QLE824X,
219 PCI_VENDOR_ID_QLOGIC,
220 0x203,
221 "8200 Series Single 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 0x207,
227 "8200 Series Dual Port 10GbE Converged Network Adapter"
228 "(TCP/IP Networking)" },
229 { PCI_VENDOR_ID_QLOGIC,
230 PCI_DEVICE_ID_QLOGIC_QLE824X,
231 PCI_VENDOR_ID_QLOGIC,
232 0x20b,
233 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
234 { PCI_VENDOR_ID_QLOGIC,
235 PCI_DEVICE_ID_QLOGIC_QLE824X,
236 PCI_VENDOR_ID_QLOGIC,
237 0x20c,
238 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
239 { PCI_VENDOR_ID_QLOGIC,
240 PCI_DEVICE_ID_QLOGIC_QLE824X,
241 PCI_VENDOR_ID_QLOGIC,
242 0x20f,
243 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
244 { PCI_VENDOR_ID_QLOGIC,
245 PCI_DEVICE_ID_QLOGIC_QLE824X,
246 0x103c, 0x3733,
247 "NC523SFP 10Gb 2-port Server Adapter" },
248 { PCI_VENDOR_ID_QLOGIC,
249 PCI_DEVICE_ID_QLOGIC_QLE824X,
250 0x103c, 0x3346,
251 "CN1000Q Dual Port Converged Network Adapter" },
252 { PCI_VENDOR_ID_QLOGIC,
253 PCI_DEVICE_ID_QLOGIC_QLE824X,
254 PCI_VENDOR_ID_QLOGIC,
255 0x210,
256 "QME8242-k 10GbE Dual Port Mezzanine Card" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
259 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 260};
261
262#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 263#define QLC_MAX_SDS_RINGS 8
22999798 264
af19b491
AKS		 265static const
266struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
267
c70001a9 268int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 269{
270 int size = sizeof(struct qlcnic_host_sds_ring) * count;
271
272 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
273
807540ba 274 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 275}
276
c70001a9 277void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 278{
279 if (recv_ctx->sds_rings != NULL)
280 kfree(recv_ctx->sds_rings);
281
282 recv_ctx->sds_rings = NULL;
283}
284
f8468331 285int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 286{
2e9d722d 287 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 288 struct net_device *netdev = adapter->netdev;
289 struct pci_dev *pdev = adapter->pdev;
290
da48e6c3 291 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 292 return -EIO;
293
2e9d722d 294 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 295 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
296
297 /* set station address */
298
aaeb6cdf 299 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 300 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
301 netdev->dev_addr);
302
303 return 0;
304}
305
cffe52f3
MC		 306static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
307{
308 struct qlcnic_mac_list_s *cur;
309 struct list_head *head;
310
311 list_for_each(head, &adapter->mac_list) {
312 cur = list_entry(head, struct qlcnic_mac_list_s, list);
313 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
314 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
315 0, QLCNIC_MAC_DEL);
316 list_del(&cur->list);
317 kfree(cur);
318 return;
319 }
320 }
321}
322
af19b491
AKS		 323static int qlcnic_set_mac(struct net_device *netdev, void *p)
324{
325 struct qlcnic_adapter *adapter = netdev_priv(netdev);
326 struct sockaddr *addr = p;
327
7cb03b23
RB		 328 if (qlcnic_sriov_vf_check(adapter))
329 return -EINVAL;
330
7373373d
RB		 331 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
332 return -EOPNOTSUPP;
333
af19b491 334 if (!is_valid_ether_addr(addr->sa_data))
13159183 335 return -EINVAL;
af19b491 336
cffe52f3
MC		 337 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
338 return 0;
339
8a15ad1f 340 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 341 netif_device_detach(netdev);
342 qlcnic_napi_disable(adapter);
343 }
344
cffe52f3 345 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 346 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
347 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
348 qlcnic_set_multi(adapter->netdev);
349
8a15ad1f 350 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 351 netif_device_attach(netdev);
352 qlcnic_napi_enable(adapter);
353 }
354 return 0;
355}
356
1690be63
VY		 357static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
358 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 359{
360 struct qlcnic_adapter *adapter = netdev_priv(netdev);
361 int err = -EOPNOTSUPP;
362
3e5c112f
VY		 363 if (!adapter->fdb_mac_learn)
364 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 365
366 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
367 if (is_unicast_ether_addr(addr))
368 err = qlcnic_nic_del_mac(adapter, addr);
369 else if (is_multicast_ether_addr(addr))
370 err = dev_mc_del(netdev, addr);
371 else
372 err = -EINVAL;
373 }
374 return err;
375}
376
377static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
378 struct net_device *netdev,
379 const unsigned char *addr, u16 flags)
380{
381 struct qlcnic_adapter *adapter = netdev_priv(netdev);
382 int err = 0;
383
3e5c112f
VY		 384 if (!adapter->fdb_mac_learn)
385 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 386
387 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
388 pr_info("%s: FDB e-switch is not enabled\n", __func__);
389 return -EOPNOTSUPP;
390 }
391
392 if (ether_addr_equal(addr, adapter->mac_addr))
393 return err;
394
395 if (is_unicast_ether_addr(addr))
91b7282b 396 err = qlcnic_nic_add_mac(adapter, addr, 0);
fe1adc6b
JK		 397 else if (is_multicast_ether_addr(addr))
398 err = dev_mc_add_excl(netdev, addr);
399 else
400 err = -EINVAL;
401
402 return err;
403}
404
405static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
406 struct net_device *netdev, int idx)
407{
408 struct qlcnic_adapter *adapter = netdev_priv(netdev);
409
3e5c112f
VY		 410 if (!adapter->fdb_mac_learn)
411 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 412
413 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
414 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
415
416 return idx;
417}
418
7e2cf4fe
SC		 419static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
420{
421 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
422 usleep_range(10000, 11000);
423
424 cancel_delayed_work_sync(&adapter->fw_work);
425}
426
af19b491
AKS		 427static const struct net_device_ops qlcnic_netdev_ops = {
428 .ndo_open = qlcnic_open,
429 .ndo_stop = qlcnic_close,
430 .ndo_start_xmit = qlcnic_xmit_frame,
431 .ndo_get_stats = qlcnic_get_stats,
432 .ndo_validate_addr = eth_validate_addr,
afc4b13d 433 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 434 .ndo_set_mac_address = qlcnic_set_mac,
435 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 436 .ndo_fix_features = qlcnic_fix_features,
437 .ndo_set_features = qlcnic_set_features,
af19b491 438 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 439 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
440 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 441 .ndo_fdb_add = qlcnic_fdb_add,
442 .ndo_fdb_del = qlcnic_fdb_del,
443 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 444#ifdef CONFIG_NET_POLL_CONTROLLER
445 .ndo_poll_controller = qlcnic_poll_controller,
446#endif
4000e7a7
RB		 447#ifdef CONFIG_QLCNIC_SRIOV
448 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
449 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
450 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 451 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 452 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 453#endif
af19b491
AKS		 454};
455
b43e5ee7
SC		 456static const struct net_device_ops qlcnic_netdev_failed_ops = {
457 .ndo_open = qlcnic_open,
458};
459
2e9d722d 460static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 461 .config_bridged_mode = qlcnic_config_bridged_mode,
462 .config_led = qlcnic_82xx_config_led,
463 .start_firmware = qlcnic_82xx_start_firmware,
464 .request_reset = qlcnic_82xx_dev_request_reset,
465 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
466 .napi_add = qlcnic_82xx_napi_add,
4be41e92 467 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 468 .config_ipaddr = qlcnic_82xx_config_ipaddr,
469 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
470};
471
472struct qlcnic_nic_template qlcnic_vf_ops = {
473 .config_bridged_mode = qlcnicvf_config_bridged_mode,
474 .config_led = qlcnicvf_config_led,
475 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 476};
477
7e2cf4fe
SC		 478static struct qlcnic_hardware_ops qlcnic_hw_ops = {
479 .read_crb = qlcnic_82xx_read_crb,
480 .write_crb = qlcnic_82xx_write_crb,
481 .read_reg = qlcnic_82xx_hw_read_wx_2M,
482 .write_reg = qlcnic_82xx_hw_write_wx_2M,
483 .get_mac_address = qlcnic_82xx_get_mac_address,
484 .setup_intr = qlcnic_82xx_setup_intr,
485 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
486 .mbx_cmd = qlcnic_82xx_issue_cmd,
487 .get_func_no = qlcnic_82xx_get_func_no,
488 .api_lock = qlcnic_82xx_api_lock,
489 .api_unlock = qlcnic_82xx_api_unlock,
490 .add_sysfs = qlcnic_82xx_add_sysfs,
491 .remove_sysfs = qlcnic_82xx_remove_sysfs,
492 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
493 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
494 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 495 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
496 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 497 .setup_link_event = qlcnic_82xx_linkevent_request,
498 .get_nic_info = qlcnic_82xx_get_nic_info,
499 .get_pci_info = qlcnic_82xx_get_pci_info,
500 .set_nic_info = qlcnic_82xx_set_nic_info,
501 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
502 .napi_enable = qlcnic_82xx_napi_enable,
503 .napi_disable = qlcnic_82xx_napi_disable,
504 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
505 .config_rss = qlcnic_82xx_config_rss,
506 .config_hw_lro = qlcnic_82xx_config_hw_lro,
507 .config_loopback = qlcnic_82xx_set_lb_mode,
508 .clear_loopback = qlcnic_82xx_clear_lb_mode,
509 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
510 .change_l2_filter = qlcnic_82xx_change_filter,
511 .get_board_info = qlcnic_82xx_get_board_info,
91b7282b 512 .free_mac_list = qlcnic_82xx_free_mac_list,
2e9d722d
AC		 513};
514
7f966452 515int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 516{
af19b491 517 struct pci_dev *pdev = adapter->pdev;
13159183 518 int err = -1, i;
da6c8063
RB		 519 int max_tx_rings, tx_vector;
520
521 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
522 max_tx_rings = 0;
523 tx_vector = 0;
524 } else {
525 max_tx_rings = adapter->max_drv_tx_rings;
526 tx_vector = 1;
527 }
13159183
SC		 528
529 if (!adapter->msix_entries) {
530 adapter->msix_entries = kcalloc(num_msix,
531 sizeof(struct msix_entry),
532 GFP_KERNEL);
b2adaca9 533 if (!adapter->msix_entries)
13159183 534 return -ENOMEM;
13159183 535 }
af19b491
AKS		 536
537 adapter->max_sds_rings = 1;
af19b491 538 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 539
79788450 540 if (adapter->ahw->msix_supported) {
f94bc1e7 541 enable_msix:
13159183
SC		 542 for (i = 0; i < num_msix; i++)
543 adapter->msix_entries[i].entry = i;
af19b491
AKS		 544 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
545 if (err == 0) {
546 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 547 if (qlcnic_83xx_check(adapter)) {
548 adapter->ahw->num_msix = num_msix;
549 /* subtract mail box and tx ring vectors */
13159183
SC		 550 adapter->max_sds_rings = num_msix -
551 max_tx_rings - 1;
552 } else {
553 adapter->max_sds_rings = num_msix;
554 }
af19b491 555 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 556 return err;
13159183
SC		 557 } else if (err > 0) {
558 dev_info(&pdev->dev,
559 "Unable to allocate %d MSI-X interrupt vectors\n",
560 num_msix);
561 if (qlcnic_83xx_check(adapter)) {
da6c8063 562 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 563 return err;
da6c8063 564 err -= (max_tx_rings + 1);
13159183 565 num_msix = rounddown_pow_of_two(err);
da6c8063 566 num_msix += (max_tx_rings + 1);
13159183
SC		 567 } else {
568 num_msix = rounddown_pow_of_two(err);
569 }
570
571 if (num_msix) {
572 dev_info(&pdev->dev,
dce056cb 573 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 574 num_msix);
f94bc1e7 575 goto enable_msix;
13159183
SC		 576 }
577 } else {
dce056cb
MC		 578 dev_info(&pdev->dev,
579 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 580 num_msix);
f94bc1e7
SC		 581 }
582 }
13159183 583
f94bc1e7
SC		 584 return err;
585}
af19b491 586
9a97e705 587static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 588{
9a97e705 589 int err = 0;
15087c2b 590 u32 offset, mask_reg;
f94bc1e7 591 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 592 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 593 struct pci_dev *pdev = adapter->pdev;
af19b491 594
099f7aa7 595 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 596 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 597 offset = msi_tgt_status[adapter->ahw->pci_func];
598 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
599 offset);
af19b491
AKS		 600 dev_info(&pdev->dev, "using msi interrupts\n");
601 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 602 return err;
af19b491 603 }
9a97e705
M		 604 if (qlcnic_use_msi || qlcnic_use_msi_x)
605 return -EOPNOTSUPP;
af19b491 606
f94bc1e7 607 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 608 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 609 offset = legacy_intrp->tgt_status_reg;
610 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
611 mask_reg = legacy_intrp->tgt_mask_reg;
612 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
613 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
614 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 615 dev_info(&pdev->dev, "using legacy interrupts\n");
616 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 617 return err;
af19b491
AKS		 618}
619
7e2cf4fe 620int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 621{
9a97e705 622 int num_msix, err = 0;
f94bc1e7 623
7e2cf4fe
SC		 624 if (!num_intr)
625 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
626
627 if (adapter->ahw->msix_supported)
5f6ec29a 628 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 629 num_intr));
630 else
f94bc1e7
SC		 631 num_msix = 1;
632
7e2cf4fe
SC		 633 err = qlcnic_enable_msix(adapter, num_msix);
634 if (err == -ENOMEM || !err)
635 return err;
f94bc1e7 636
9a97e705
M		 637 err = qlcnic_enable_msi_legacy(adapter);
638 if (!err)
639 return err;
640
641 return -EIO;
f94bc1e7 642}
13159183 643
319ecf12 644void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 645{
646 if (adapter->flags & QLCNIC_MSIX_ENABLED)
647 pci_disable_msix(adapter->pdev);
648 if (adapter->flags & QLCNIC_MSI_ENABLED)
649 pci_disable_msi(adapter->pdev);
13159183
SC		 650
651 kfree(adapter->msix_entries);
652 adapter->msix_entries = NULL;
653
654 if (adapter->ahw->intr_tbl) {
655 vfree(adapter->ahw->intr_tbl);
656 adapter->ahw->intr_tbl = NULL;
657 }
af19b491
AKS		 658}
659
f1a094a8 660static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 661{
f1a094a8
RB		 662 if (ahw->pci_base0 != NULL)
663 iounmap(ahw->pci_base0);
af19b491
AKS		 664}
665
7e2cf4fe
SC		 666static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
667{
668 struct qlcnic_pci_info *pci_info;
669 int ret;
670
671 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
672 switch (adapter->ahw->port_type) {
673 case QLCNIC_GBE:
674 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
675 break;
676 case QLCNIC_XGBE:
677 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
678 break;
679 }
680 return 0;
681 }
682
683 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
684 return 0;
685
686 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
687 if (!pci_info)
688 return -ENOMEM;
689
690 ret = qlcnic_get_pci_info(adapter, pci_info);
691 kfree(pci_info);
692 return ret;
693}
d71170fb
SC		 694
695int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 696{
e88db3bd 697 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 698 int i, ret = 0, j = 0;
699 u16 act_pci_func;
346fe763
RB		 700 u8 pfn;
701
e88db3bd
DC		 702 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
703 if (!pci_info)
704 return -ENOMEM;
705
bff57d8e
SC		 706 ret = qlcnic_get_pci_info(adapter, pci_info);
707 if (ret)
708 goto err_pci_info;
709
710 act_pci_func = adapter->ahw->act_pci_func;
711
ca315ac2 712 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 713 act_pci_func, GFP_KERNEL);
e88db3bd 714 if (!adapter->npars) {
900853a4 715 ret = -ENOMEM;
e88db3bd
DC		 716 goto err_pci_info;
717 }
346fe763 718
ca315ac2 719 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 720 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
721 if (!adapter->eswitch) {
900853a4 722 ret = -ENOMEM;
ca315ac2 723 goto err_npars;
346fe763
RB		 724 }
725
ca315ac2
DC		 726 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
727 pfn = pci_info[i].id;
bff57d8e 728
0f6efff9 729 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 730 ret = QL_STATUS_INVALID_PARAM;
731 goto err_eswitch;
732 }
bff57d8e
SC		 733
734 if (!pci_info[i].active ||
735 (pci_info[i].type != QLCNIC_TYPE_NIC))
736 continue;
737
738 adapter->npars[j].pci_func = pfn;
739 adapter->npars[j].active = (u8)pci_info[i].active;
740 adapter->npars[j].type = (u8)pci_info[i].type;
741 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
742 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
743 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
744 j++;
346fe763
RB		 745 }
746
13159183 747 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 748 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 749 if (qlcnic_83xx_check(adapter))
750 qlcnic_enable_eswitch(adapter, i, 1);
751 }
ca315ac2 752
e88db3bd 753 kfree(pci_info);
ca315ac2
DC		 754 return 0;
755
756err_eswitch:
346fe763
RB		 757 kfree(adapter->eswitch);
758 adapter->eswitch = NULL;
ca315ac2 759err_npars:
346fe763 760 kfree(adapter->npars);
ca315ac2 761 adapter->npars = NULL;
e88db3bd
DC		 762err_pci_info:
763 kfree(pci_info);
346fe763
RB		 764
765 return ret;
766}
767
2e9d722d
AC		 768static int
769qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
770{
771 u8 id;
2e9d722d
AC		 772 int i, ret = 1;
773 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 774 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 775
2e9d722d
AC		 776 ret = qlcnic_api_lock(adapter);
777 if (ret)
778 goto err_lock;
2e9d722d 779
0e33c664 780 if (qlcnic_config_npars) {
bff57d8e
SC		 781 for (i = 0; i < ahw->act_pci_func; i++) {
782 id = adapter->npars[i].pci_func;
783 if (id == ahw->pci_func)
0e33c664
AC		 784 continue;
785 data |= (qlcnic_config_npars &
786 QLC_DEV_SET_DRV(0xf, id));
787 }
788 } else {
a15ebd37 789 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 790 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 791 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 792 ahw->pci_func));
2e9d722d 793 }
a15ebd37 794 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 795 qlcnic_api_unlock(adapter);
796err_lock:
797 return ret;
798}
799
13159183
SC		 800static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
801 const struct pci_device_id *ent)
2e9d722d 802{
2e9d722d
AC		 803 u32 op_mode, priv_level;
804
805 /* Determine FW API version */
13159183
SC		 806 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
807 QLCNIC_FW_API);
2e9d722d
AC		 808
809 /* Find PCI function number */
13159183 810 qlcnic_get_func_no(adapter);
2e9d722d
AC		 811
812 /* Determine function privilege level */
13159183 813 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 814 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 815 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 816 else
b1fc6d3c 817 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 818
0866d96d 819 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 820 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 821 dev_info(&adapter->pdev->dev,
822 "HAL Version: %d Non Privileged function\n",
79788450 823 adapter->ahw->fw_hal_version);
9f26f547 824 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 825 } else
826 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 827}
828
15087c2b 829#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 830#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 831static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
832{
833 switch (dev_id) {
834 case PCI_DEVICE_ID_QLOGIC_QLE824X:
835 *bar = QLCNIC_82XX_BAR0_LENGTH;
836 break;
13159183 837 case PCI_DEVICE_ID_QLOGIC_QLE834X:
f8468331 838 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
13159183
SC		 839 *bar = QLCNIC_83XX_BAR0_LENGTH;
840 break;
15087c2b
SC		 841 default:
842 *bar = 0;
843 }
844}
845
846static int qlcnic_setup_pci_map(struct pci_dev *pdev,
847 struct qlcnic_hardware_context *ahw)
af19b491 848{
15087c2b 849 u32 offset;
af19b491 850 void __iomem *mem_ptr0 = NULL;
15087c2b 851 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 852
af19b491 853 /* remap phys address */
af19b491
AKS		 854 mem_len = pci_resource_len(pdev, 0);
855
15087c2b
SC		 856 qlcnic_get_bar_length(pdev->device, &bar0_len);
857 if (mem_len >= bar0_len) {
af19b491
AKS		 858
859 mem_ptr0 = pci_ioremap_bar(pdev, 0);
860 if (mem_ptr0 == NULL) {
861 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
862 return -EIO;
863 }
864 pci_len0 = mem_len;
865 } else {
866 return -EIO;
867 }
868
f8468331 869 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 870
15087c2b
SC		 871 ahw->pci_base0 = mem_ptr0;
872 ahw->pci_len0 = pci_len0;
873 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
874 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 875
876 return 0;
877}
878
22999798 879static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 880{
881 struct pci_dev *pdev = adapter->pdev;
882 int i, found = 0;
883
884 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
885 if (qlcnic_boards[i].vendor == pdev->vendor &&
886 qlcnic_boards[i].device == pdev->device &&
887 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
888 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 889 sprintf(name, "%pM: %s" ,
890 adapter->mac_addr,
891 qlcnic_boards[i].short_name);
af19b491
AKS		 892 found = 1;
893 break;
894 }
895
896 }
897
898 if (!found)
7f9a0c34 899 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 900}
901
902static void
903qlcnic_check_options(struct qlcnic_adapter *adapter)
904{
a15ebd37 905 int err;
031a4a26 906 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 907 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 908 struct qlcnic_hardware_context *ahw = adapter->ahw;
909 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 910
911 prev_fw_version = adapter->fw_version;
af19b491 912
a15ebd37
HM		 913 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
914 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
915 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 916
917 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
918
a15ebd37
HM		 919 err = qlcnic_get_board_info(adapter);
920 if (err) {
921 dev_err(&pdev->dev, "Error getting board config info.\n");
922 return;
923 }
924 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 925 if (fw_dump->tmpl_hdr == NULL ||
926 adapter->fw_version > prev_fw_version) {
927 if (fw_dump->tmpl_hdr)
928 vfree(fw_dump->tmpl_hdr);
929 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
930 dev_info(&pdev->dev,
931 "Supports FW dump capability\n");
932 }
933 }
934
13159183
SC		 935 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
936 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
937
b1fc6d3c 938 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 939 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
940 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
941 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
942 } else {
943 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
944 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
945 }
946
af19b491 947 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 948 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
949
b1fc6d3c 950 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 951 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
952 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 953 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
954 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 955 }
956
099f7aa7 957 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 958
959 adapter->num_txd = MAX_CMD_DESCRIPTORS;
960
251b036a 961 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 962}
963
174240a8
RB		 964static int
965qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
966{
967 int err;
968 struct qlcnic_info nic_info;
969
bff57d8e 970 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 971 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 972 if (err)
973 return err;
974
79788450
SC		 975 adapter->ahw->physical_port = (u8)nic_info.phys_port;
976 adapter->ahw->switch_mode = nic_info.switch_mode;
977 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
978 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
979 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 980
981 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
982 u32 temp;
983 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
984 adapter->ahw->capabilities2 = temp;
985 }
79788450
SC		 986 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
987 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 988
13159183
SC		 989 /* Disable NPAR for 83XX */
990 if (qlcnic_83xx_check(adapter))
991 return err;
992
79788450 993 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 994 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
995 else
996 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
997
998 return err;
999}
1000
ec079a07
SC		 1001void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1002 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1003{
1004 if (esw_cfg->discard_tagged)
1005 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1006 else
1007 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1008
91b7282b
RB		 1009 if (esw_cfg->vlan_id) {
1010 adapter->rx_pvid = esw_cfg->vlan_id;
1011 adapter->tx_pvid = esw_cfg->vlan_id;
1012 } else {
1013 adapter->rx_pvid = 0;
1014 adapter->tx_pvid = 0;
1015 }
8cf61f89
AKS		 1016}
1017
8e586137 1018static int
80d5c368 1019qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1020{
1021 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1022 int err;
1023
1024 if (qlcnic_sriov_vf_check(adapter)) {
1025 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1026 if (err) {
1027 netdev_err(netdev,
1028 "Cannot add VLAN filter for VLAN id %d, err=%d",
1029 vid, err);
1030 return err;
1031 }
1032 }
1033
b9796a14 1034 set_bit(vid, adapter->vlans);
8e586137 1035 return 0;
b9796a14
AC		 1036}
1037
8e586137 1038static int
80d5c368 1039qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1040{
1041 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1042 int err;
1043
1044 if (qlcnic_sriov_vf_check(adapter)) {
1045 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1046 if (err) {
1047 netdev_err(netdev,
1048 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1049 vid, err);
1050 return err;
1051 }
1052 }
b9796a14
AC		 1053
1054 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1055 clear_bit(vid, adapter->vlans);
8e586137 1056 return 0;
b9796a14
AC		 1057}
1058
ec079a07
SC		 1059void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1060 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1061{
ee07c1a7
RB		 1062 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1063 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1064
1065 if (esw_cfg->mac_anti_spoof)
1066 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1067
7373373d
RB		 1068 if (!esw_cfg->mac_override)
1069 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1070
ee07c1a7
RB		 1071 if (!esw_cfg->promisc_mode)
1072 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1073}
1074
d71170fb 1075int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1076{
1077 struct qlcnic_esw_func_cfg esw_cfg;
1078
1079 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1080 return 0;
1081
b1fc6d3c 1082 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1083 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1084 return -EIO;
8cf61f89 1085 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1086 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1087 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1088
1089 return 0;
1090}
1091
147a9088
SS		 1092void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1093 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1094{
1095 struct net_device *netdev = adapter->netdev;
13159183
SC		 1096
1097 if (qlcnic_83xx_check(adapter))
1098 return;
0325d69b 1099
147a9088
SS		 1100 adapter->offload_flags = esw_cfg->offload_flags;
1101 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1102 netdev_update_features(netdev);
1103 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1104}
1105
0866d96d
AC		 1106static int
1107qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1108{
0866d96d
AC		 1109 u32 op_mode, priv_level;
1110 int err = 0;
1111
174240a8
RB		 1112 err = qlcnic_initialize_nic(adapter);
1113 if (err)
1114 return err;
1115
0866d96d
AC		 1116 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1117 return 0;
1118
13159183 1119 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1120 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1121
1122 if (op_mode == QLC_DEV_DRV_DEFAULT)
1123 priv_level = QLCNIC_MGMT_FUNC;
1124 else
b1fc6d3c 1125 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1126
174240a8 1127 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1128 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1129 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1130 err = qlcnic_init_pci_info(adapter);
1131 if (err)
1132 return err;
1133 /* Set privilege level for other functions */
1134 qlcnic_set_function_modes(adapter);
1135 dev_info(&adapter->pdev->dev,
1136 "HAL Version: %d, Management function\n",
79788450 1137 adapter->ahw->fw_hal_version);
0866d96d 1138 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1139 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1140 dev_info(&adapter->pdev->dev,
1141 "HAL Version: %d, Privileged function\n",
79788450 1142 adapter->ahw->fw_hal_version);
0866d96d 1143 }
174240a8 1144 }
0866d96d
AC		 1145
1146 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1147
1148 return err;
1149}
1150
d71170fb 1151int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1152{
1153 struct qlcnic_esw_func_cfg esw_cfg;
1154 struct qlcnic_npar_info *npar;
1155 u8 i;
1156
174240a8 1157 if (adapter->need_fw_reset)
0325d69b
RB		 1158 return 0;
1159
bff57d8e 1160 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1161 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1162 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1163 esw_cfg.mac_override = BIT_0;
ee07c1a7 1164 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1165 if (qlcnic_82xx_check(adapter)) {
1166 esw_cfg.offload_flags = BIT_0;
1167 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1168 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1169 }
0325d69b
RB		 1170 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1171 return -EIO;
1172 npar = &adapter->npars[i];
1173 npar->pvid = esw_cfg.vlan_id;
7373373d 1174 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1175 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1176 npar->discard_tagged = esw_cfg.discard_tagged;
1177 npar->promisc_mode = esw_cfg.promisc_mode;
1178 npar->offload_flags = esw_cfg.offload_flags;
1179 }
1180
1181 return 0;
1182}
1183
13159183 1184
4e8acb01
RB		 1185static int
1186qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1187 struct qlcnic_npar_info *npar, int pci_func)
1188{
1189 struct qlcnic_esw_func_cfg esw_cfg;
1190 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1191 esw_cfg.pci_func = pci_func;
1192 esw_cfg.vlan_id = npar->pvid;
7373373d 1193 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1194 esw_cfg.discard_tagged = npar->discard_tagged;
1195 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1196 esw_cfg.offload_flags = npar->offload_flags;
1197 esw_cfg.promisc_mode = npar->promisc_mode;
1198 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1199 return -EIO;
1200
1201 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1202 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1203 return -EIO;
1204
1205 return 0;
1206}
1207
d71170fb 1208int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1209{
4e8acb01 1210 int i, err;
cea8975e
AC		 1211 struct qlcnic_npar_info *npar;
1212 struct qlcnic_info nic_info;
bff57d8e 1213 u8 pci_func;
cea8975e 1214
bff57d8e
SC		 1215 if (qlcnic_82xx_check(adapter))
1216 if (!adapter->need_fw_reset)
1217 return 0;
cea8975e 1218
4e8acb01 1219 /* Set the NPAR config data after FW reset */
bff57d8e 1220 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1221 npar = &adapter->npars[i];
bff57d8e
SC		 1222 pci_func = npar->pci_func;
1223 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1224 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1225 if (err)
1226 return err;
1227 nic_info.min_tx_bw = npar->min_bw;
1228 nic_info.max_tx_bw = npar->max_bw;
1229 err = qlcnic_set_nic_info(adapter, &nic_info);
1230 if (err)
1231 return err;
cea8975e 1232
4e8acb01
RB		 1233 if (npar->enable_pm) {
1234 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1235 npar->dest_npar, 1,
1236 pci_func);
4e8acb01
RB		 1237 if (err)
1238 return err;
cea8975e 1239 }
bff57d8e 1240 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1241 if (err)
1242 return err;
cea8975e 1243 }
4e8acb01 1244 return 0;
cea8975e
AC		 1245}
1246
78f84e1a
AKS		 1247static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1248{
1249 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1250 u32 npar_state;
1251
79788450 1252 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1253 return 0;
1254
a15ebd37
HM		 1255 npar_state = QLC_SHARED_REG_RD32(adapter,
1256 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1257 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1258 msleep(1000);
a15ebd37
HM		 1259 npar_state = QLC_SHARED_REG_RD32(adapter,
1260 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1261 }
1262 if (!npar_opt_timeo) {
1263 dev_err(&adapter->pdev->dev,
8a168ca7 1264 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1265 return -EIO;
1266 }
1267 return 0;
1268}
1269
174240a8
RB		 1270static int
1271qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1272{
1273 int err;
1274
1275 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1276 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1277 return 0;
1278
1279 err = qlcnic_set_default_offload_settings(adapter);
1280 if (err)
1281 return err;
1282
1283 err = qlcnic_reset_npar_config(adapter);
1284 if (err)
1285 return err;
1286
1287 qlcnic_dev_set_npar_ready(adapter);
1288
1289 return err;
1290}
1291
7e2cf4fe 1292int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1293{
d4066833 1294 int err;
af19b491 1295
aa5e18c0
SC		 1296 err = qlcnic_can_start_firmware(adapter);
1297 if (err < 0)
1298 return err;
1299 else if (!err)
d4066833 1300 goto check_fw_status;
af19b491 1301
099f7aa7 1302 if (qlcnic_load_fw_file)
4d5bdb38 1303 qlcnic_request_firmware(adapter);
8f891387 1304 else {
8cfdce08
SC		 1305 err = qlcnic_check_flash_fw_ver(adapter);
1306 if (err)
8f891387 1307 goto err_out;
1308
79788450 1309 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1310 }
af19b491
AKS		 1311
1312 err = qlcnic_need_fw_reset(adapter);
af19b491 1313 if (err == 0)
4e70812b 1314 goto check_fw_status;
af19b491 1315
d4066833
SC		 1316 err = qlcnic_pinit_from_rom(adapter);
1317 if (err)
1318 goto err_out;
af19b491
AKS		 1319
1320 err = qlcnic_load_firmware(adapter);
1321 if (err)
1322 goto err_out;
1323
1324 qlcnic_release_firmware(adapter);
d4066833 1325 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1326
d4066833
SC		 1327check_fw_status:
1328 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1329 if (err)
1330 goto err_out;
1331
a15ebd37 1332 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1333 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1334 err = qlcnic_check_eswitch_mode(adapter);
1335 if (err) {
1336 dev_err(&adapter->pdev->dev,
1337 "Memory allocation failed for eswitch\n");
1338 goto err_out;
1339 }
174240a8
RB		 1340 err = qlcnic_set_mgmt_operations(adapter);
1341 if (err)
1342 goto err_out;
1343
1344 qlcnic_check_options(adapter);
af19b491
AKS		 1345 adapter->need_fw_reset = 0;
1346
a7fc948f
AKS		 1347 qlcnic_release_firmware(adapter);
1348 return 0;
af19b491
AKS		 1349
1350err_out:
a15ebd37 1351 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1352 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1353
af19b491
AKS		 1354 qlcnic_release_firmware(adapter);
1355 return err;
1356}
1357
1358static int
1359qlcnic_request_irq(struct qlcnic_adapter *adapter)
1360{
1361 irq_handler_t handler;
1362 struct qlcnic_host_sds_ring *sds_ring;
13159183 1363 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1364 int err, ring, num_sds_rings;
af19b491
AKS		 1365
1366 unsigned long flags = 0;
1367 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1368 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1369
79788450 1370 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1371 if (qlcnic_82xx_check(adapter))
1372 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1373 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1374 flags |= IRQF_SHARED;
1375
1376 } else {
1377 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1378 handler = qlcnic_msix_intr;
1379 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1380 handler = qlcnic_msi_intr;
1381 else {
1382 flags |= IRQF_SHARED;
ac166700
HM		 1383 if (qlcnic_82xx_check(adapter))
1384 handler = qlcnic_intr;
1385 else
1386 handler = qlcnic_83xx_intr;
7eb9855d 1387 }
af19b491
AKS		 1388 }
1389 adapter->irq = netdev->irq;
1390
13159183 1391 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1392 if (qlcnic_82xx_check(adapter) ||
1393 (qlcnic_83xx_check(adapter) &&
1394 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1395 num_sds_rings = adapter->max_sds_rings;
1396 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1397 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174
HM		 1398 if (qlcnic_82xx_check(adapter) &&
1399 (ring == (num_sds_rings - 1)))
1400 snprintf(sds_ring->name,
1401 sizeof(sds_ring->name),
1402 "qlcnic-%s[Tx0+Rx%d]",
1403 netdev->name, ring);
1404 else
1405 snprintf(sds_ring->name,
1406 sizeof(sds_ring->name),
1407 "qlcnic-%s[Rx%d]",
1408 netdev->name, ring);
ac166700
HM		 1409 err = request_irq(sds_ring->irq, handler, flags,
1410 sds_ring->name, sds_ring);
1411 if (err)
1412 return err;
1413 }
13159183
SC		 1414 }
1415 if (qlcnic_83xx_check(adapter) &&
da6c8063
RB		 1416 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1417 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1418 handler = qlcnic_msix_tx_intr;
1419 for (ring = 0; ring < adapter->max_drv_tx_rings;
1420 ring++) {
1421 tx_ring = &adapter->tx_ring[ring];
ddb2e174
HM		 1422 snprintf(tx_ring->name, sizeof(tx_ring->name),
1423 "qlcnic-%s[Tx%d]", netdev->name, ring);
13159183
SC		 1424 err = request_irq(tx_ring->irq, handler, flags,
1425 tx_ring->name, tx_ring);
1426 if (err)
1427 return err;
1428 }
1429 }
af19b491 1430 }
af19b491
AKS		 1431 return 0;
1432}
1433
1434static void
1435qlcnic_free_irq(struct qlcnic_adapter *adapter)
1436{
1437 int ring;
1438 struct qlcnic_host_sds_ring *sds_ring;
13159183 1439 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1440
b1fc6d3c 1441 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1442
13159183 1443 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1444 if (qlcnic_82xx_check(adapter) ||
1445 (qlcnic_83xx_check(adapter) &&
1446 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1447 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1448 sds_ring = &recv_ctx->sds_rings[ring];
1449 free_irq(sds_ring->irq, sds_ring);
1450 }
13159183 1451 }
da6c8063
RB		 1452 if (qlcnic_83xx_check(adapter) &&
1453 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1454 for (ring = 0; ring < adapter->max_drv_tx_rings;
1455 ring++) {
1456 tx_ring = &adapter->tx_ring[ring];
1457 if (tx_ring->irq)
1458 free_irq(tx_ring->irq, tx_ring);
1459 }
1460 }
af19b491
AKS		 1461 }
1462}
1463
99e85879
SS		 1464static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1465{
1466 u32 capab = 0;
1467
1468 if (qlcnic_82xx_check(adapter)) {
1469 if (adapter->ahw->capabilities2 &
1470 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1471 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1472 } else {
1473 capab = adapter->ahw->capabilities;
1474 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1475 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1476 }
1477}
1478
319ecf12 1479int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1480{
8a15ad1f
AKS		 1481 int ring;
1482 struct qlcnic_host_rds_ring *rds_ring;
1483
af19b491
AKS		 1484 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1485 return -EIO;
1486
8a15ad1f
AKS		 1487 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1488 return 0;
0325d69b
RB		 1489 if (qlcnic_set_eswitch_port_config(adapter))
1490 return -EIO;
99e85879 1491 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1492
8a15ad1f
AKS		 1493 if (qlcnic_fw_create_ctx(adapter))
1494 return -EIO;
1495
1496 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1497 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1498 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1499 }
1500
af19b491
AKS		 1501 qlcnic_set_multi(netdev);
1502 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1503
b1fc6d3c 1504 adapter->ahw->linkup = 0;
af19b491
AKS		 1505
1506 if (adapter->max_sds_rings > 1)
1507 qlcnic_config_rss(adapter, 1);
1508
1509 qlcnic_config_intr_coalesce(adapter);
1510
24763d80 1511 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1512 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1513
1514 qlcnic_napi_enable(adapter);
1515
1516 qlcnic_linkevent_request(adapter, 1);
1517
79788450 1518 adapter->ahw->reset_context = 0;
af19b491
AKS		 1519 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1520 return 0;
1521}
1522
629263ac 1523int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1524{
1525 int err = 0;
1526
1527 rtnl_lock();
1528 if (netif_running(netdev))
1529 err = __qlcnic_up(adapter, netdev);
1530 rtnl_unlock();
1531
1532 return err;
1533}
1534
319ecf12 1535void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1536{
1537 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1538 return;
1539
1540 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1541 return;
1542
e8b508ef
RB		 1543 if (qlcnic_sriov_vf_check(adapter))
1544 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1545 smp_mb();
1546 spin_lock(&adapter->tx_clean_lock);
1547 netif_carrier_off(netdev);
0a46bac0 1548 adapter->ahw->linkup = 0;
af19b491
AKS		 1549 netif_tx_disable(netdev);
1550
1551 qlcnic_free_mac_list(adapter);
1552
b5e5492c
AKS		 1553 if (adapter->fhash.fnum)
1554 qlcnic_delete_lb_filters(adapter);
1555
af19b491
AKS		 1556 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1557
1558 qlcnic_napi_disable(adapter);
1559
8a15ad1f 1560 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1561 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1562
1563 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1564 qlcnic_release_tx_buffers(adapter);
1565 spin_unlock(&adapter->tx_clean_lock);
1566}
1567
1568/* Usage: During suspend and firmware recovery module */
1569
629263ac 1570void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1571{
1572 rtnl_lock();
1573 if (netif_running(netdev))
1574 __qlcnic_down(adapter, netdev);
1575 rtnl_unlock();
1576
1577}
1578
319ecf12 1579int
af19b491
AKS		 1580qlcnic_attach(struct qlcnic_adapter *adapter)
1581{
1582 struct net_device *netdev = adapter->netdev;
1583 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1584 int err;
af19b491
AKS		 1585
1586 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1587 return 0;
1588
af19b491
AKS		 1589 err = qlcnic_napi_add(adapter, netdev);
1590 if (err)
1591 return err;
1592
1593 err = qlcnic_alloc_sw_resources(adapter);
1594 if (err) {
1595 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1596 goto err_out_napi_del;
af19b491
AKS		 1597 }
1598
1599 err = qlcnic_alloc_hw_resources(adapter);
1600 if (err) {
1601 dev_err(&pdev->dev, "Error in setting hw resources\n");
1602 goto err_out_free_sw;
1603 }
1604
af19b491
AKS		 1605 err = qlcnic_request_irq(adapter);
1606 if (err) {
1607 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1608 goto err_out_free_hw;
af19b491
AKS		 1609 }
1610
af19b491
AKS		 1611 qlcnic_create_sysfs_entries(adapter);
1612
1613 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1614 return 0;
1615
8a15ad1f 1616err_out_free_hw:
af19b491
AKS		 1617 qlcnic_free_hw_resources(adapter);
1618err_out_free_sw:
1619 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1620err_out_napi_del:
1621 qlcnic_napi_del(adapter);
af19b491
AKS		 1622 return err;
1623}
1624
319ecf12 1625void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1626{
1627 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1628 return;
1629
1630 qlcnic_remove_sysfs_entries(adapter);
1631
1632 qlcnic_free_hw_resources(adapter);
1633 qlcnic_release_rx_buffers(adapter);
1634 qlcnic_free_irq(adapter);
1635 qlcnic_napi_del(adapter);
1636 qlcnic_free_sw_resources(adapter);
1637
1638 adapter->is_up = 0;
1639}
1640
7eb9855d
AKS		 1641void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1642{
1643 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1644 struct qlcnic_host_sds_ring *sds_ring;
1645 int ring;
1646
78ad3892 1647 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1648 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1649 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1650 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1651 qlcnic_disable_int(sds_ring);
cdaff185 1652 }
7eb9855d
AKS		 1653 }
1654
8a15ad1f
AKS		 1655 qlcnic_fw_destroy_ctx(adapter);
1656
7eb9855d
AKS		 1657 qlcnic_detach(adapter);
1658
79788450 1659 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1660 adapter->max_sds_rings = max_sds_rings;
1661
1662 if (qlcnic_attach(adapter))
34ce3626 1663 goto out;
7eb9855d
AKS		 1664
1665 if (netif_running(netdev))
1666 __qlcnic_up(adapter, netdev);
34ce3626 1667out:
7eb9855d
AKS		 1668 netif_device_attach(netdev);
1669}
1670
b1fc6d3c
AC		 1671static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1672{
be273dc1 1673 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1674 int err = 0;
be273dc1 1675
b1fc6d3c
AC		 1676 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1677 GFP_KERNEL);
1678 if (!adapter->recv_ctx) {
b1fc6d3c 1679 err = -ENOMEM;
8816d009 1680 goto err_out;
b1fc6d3c 1681 }
8816d009 1682 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1683 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1684 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1685 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1686 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1687 if (qlcnic_83xx_check(adapter)) {
1688 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1689 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1690 }
4be41e92
SC		 1691 /* clear stats */
1692 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1693err_out:
1694 return err;
1695}
1696
1697static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1698{
1699 kfree(adapter->recv_ctx);
1700 adapter->recv_ctx = NULL;
1701
18f2f616
AC		 1702 if (adapter->ahw->fw_dump.tmpl_hdr) {
1703 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1704 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1705 }
4be41e92 1706
81d0aeb0 1707 kfree(adapter->ahw->reset.buff);
4be41e92 1708 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1709}
1710
7eb9855d
AKS		 1711int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1712{
1713 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1714 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1715 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1716 int ring;
1717 int ret;
1718
1719 netif_device_detach(netdev);
1720
1721 if (netif_running(netdev))
1722 __qlcnic_down(adapter, netdev);
1723
1724 qlcnic_detach(adapter);
1725
1726 adapter->max_sds_rings = 1;
79788450 1727 adapter->ahw->diag_test = test;
4be41e92 1728 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1729
1730 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1731 if (ret) {
1732 netif_device_attach(netdev);
7eb9855d 1733 return ret;
34ce3626 1734 }
7eb9855d 1735
8a15ad1f
AKS		 1736 ret = qlcnic_fw_create_ctx(adapter);
1737 if (ret) {
1738 qlcnic_detach(adapter);
57e46248 1739 netif_device_attach(netdev);
8a15ad1f
AKS		 1740 return ret;
1741 }
1742
1743 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1744 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1745 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1746 }
1747
79788450 1748 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1749 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1750 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1751 qlcnic_enable_int(sds_ring);
cdaff185 1752 }
7eb9855d 1753 }
22c8c934 1754
79788450 1755 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1756 adapter->ahw->loopback_state = 0;
1757 qlcnic_linkevent_request(adapter, 1);
1758 }
1759
78ad3892 1760 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1761
1762 return 0;
1763}
1764
68bf1c68
AKS		 1765/* Reset context in hardware only */
1766static int
1767qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1768{
1769 struct net_device *netdev = adapter->netdev;
1770
1771 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1772 return -EBUSY;
1773
1774 netif_device_detach(netdev);
1775
1776 qlcnic_down(adapter, netdev);
1777
1778 qlcnic_up(adapter, netdev);
1779
1780 netif_device_attach(netdev);
1781
1782 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1783 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1784 return 0;
1785}
1786
af19b491
AKS		 1787int
1788qlcnic_reset_context(struct qlcnic_adapter *adapter)
1789{
1790 int err = 0;
1791 struct net_device *netdev = adapter->netdev;
1792
1793 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1794 return -EBUSY;
1795
1796 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1797
1798 netif_device_detach(netdev);
1799
1800 if (netif_running(netdev))
1801 __qlcnic_down(adapter, netdev);
1802
1803 qlcnic_detach(adapter);
1804
1805 if (netif_running(netdev)) {
1806 err = qlcnic_attach(adapter);
1d5c88e3 1807 if (!err) {
34ce3626 1808 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1809 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1810 }
af19b491
AKS		 1811 }
1812
1813 netif_device_attach(netdev);
1814 }
1815
af19b491
AKS		 1816 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1817 return err;
1818}
1819
f8468331 1820int
5ad6ff9d
SC		 1821qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1822 int pci_using_dac)
af19b491
AKS		 1823{
1824 int err;
1825 struct pci_dev *pdev = adapter->pdev;
1826
13159183 1827 adapter->rx_csum = 1;
79788450 1828 adapter->ahw->mc_enabled = 0;
13159183 1829 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1830
1831 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1832 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1833
1834 qlcnic_change_mtu(netdev, netdev->mtu);
1835
d1a1105e
RB		 1836 if (qlcnic_sriov_vf_check(adapter))
1837 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1838 else
1839 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1840
7e38d04b 1841 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1842 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1843 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1844 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1845 NETIF_F_IPV6_CSUM);
ac8d0c4f 1846
13159183
SC		 1847 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1848 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1849 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1850 }
af19b491 1851
13159183
SC		 1852 if (pci_using_dac) {
1853 netdev->features |= NETIF_F_HIGHDMA;
1854 netdev->vlan_features |= NETIF_F_HIGHDMA;
1855 }
af19b491 1856
13159183 1857 if (qlcnic_vlan_tx_check(adapter))
f646968f 1858 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 1859
91b7282b
RB		 1860 if (qlcnic_sriov_vf_check(adapter))
1861 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1862
13159183
SC		 1863 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1864 netdev->features |= NETIF_F_LRO;
135d84a9 1865
7e38d04b 1866 netdev->hw_features = netdev->features;
af19b491
AKS		 1867 netdev->irq = adapter->msix_entries[0].vector;
1868
af19b491
AKS		 1869 err = register_netdev(netdev);
1870 if (err) {
1871 dev_err(&pdev->dev, "failed to register net device\n");
1872 return err;
1873 }
1874
1875 return 0;
1876}
1877
5ad6ff9d 1878static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1879{
1880 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1881 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1882 *pci_using_dac = 1;
1883 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1884 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1885 *pci_using_dac = 0;
1886 else {
1887 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1888 return -EIO;
1889 }
1890
1891 return 0;
1892}
1893
4be41e92
SC		 1894void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1895{
1896 int ring;
1897 struct qlcnic_host_tx_ring *tx_ring;
1898
1899 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1900 tx_ring = &adapter->tx_ring[ring];
1901 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1902 vfree(tx_ring->cmd_buf_arr);
1903 tx_ring->cmd_buf_arr = NULL;
1904 }
1905 }
1906 if (adapter->tx_ring != NULL)
1907 kfree(adapter->tx_ring);
1908}
1909
1910int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1911 struct net_device *netdev)
1912{
b2adaca9 1913 int ring, vector, index;
4be41e92
SC		 1914 struct qlcnic_host_tx_ring *tx_ring;
1915 struct qlcnic_cmd_buffer *cmd_buf_arr;
1916
b2adaca9
JP		 1917 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1918 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1919 if (tx_ring == NULL)
4be41e92 1920 return -ENOMEM;
b2adaca9 1921
4be41e92
SC		 1922 adapter->tx_ring = tx_ring;
1923
1924 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1925 tx_ring = &adapter->tx_ring[ring];
1926 tx_ring->num_desc = adapter->num_txd;
1927 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1928 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1929 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1930 qlcnic_free_tx_rings(adapter);
1931 return -ENOMEM;
1932 }
1933 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1934 tx_ring->cmd_buf_arr = cmd_buf_arr;
1935 }
1936
1937 if (qlcnic_83xx_check(adapter)) {
1938 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1939 tx_ring = &adapter->tx_ring[ring];
1940 tx_ring->adapter = adapter;
1941 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1942 index = adapter->max_sds_rings + ring;
1943 vector = adapter->msix_entries[index].vector;
1944 tx_ring->irq = vector;
1945 }
1946 }
1947 }
1948 return 0;
1949}
1950
6bb58bb0 1951static int
af19b491
AKS		 1952qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1953{
1954 struct net_device *netdev = NULL;
1955 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1956 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1957 int err, pci_using_dac = -1;
c84e340a 1958 u32 capab2;
7bc48646 1959 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 1960
f8468331
RB		 1961 if (pdev->is_virtfn)
1962 return -ENODEV;
1963
af19b491
AKS		 1964 err = pci_enable_device(pdev);
1965 if (err)
1966 return err;
1967
1968 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1969 err = -ENODEV;
1970 goto err_out_disable_pdev;
1971 }
1972
1bb09fb9
AKS		 1973 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1974 if (err)
1975 goto err_out_disable_pdev;
1976
af19b491
AKS		 1977 err = pci_request_regions(pdev, qlcnic_driver_name);
1978 if (err)
1979 goto err_out_disable_pdev;
1980
1981 pci_set_master(pdev);
451724c8 1982 pci_enable_pcie_error_reporting(pdev);
af19b491 1983
7e2cf4fe 1984 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 1985 if (!ahw) {
1986 err = -ENOMEM;
7e2cf4fe 1987 goto err_out_free_res;
02135582 1988 }
7e2cf4fe 1989
f8468331
RB		 1990 switch (ent->device) {
1991 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 1992 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 1993 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
1994 break;
1995 case PCI_DEVICE_ID_QLOGIC_QLE834X:
13159183 1996 qlcnic_83xx_register_map(ahw);
f8468331
RB		 1997 break;
1998 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1999 qlcnic_sriov_vf_register_map(ahw);
2000 break;
2001 default:
13159183 2002 goto err_out_free_hw_res;
7e2cf4fe
SC		 2003 }
2004
2005 err = qlcnic_setup_pci_map(pdev, ahw);
2006 if (err)
2007 goto err_out_free_hw_res;
2008
af19b491
AKS		 2009 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
2010 if (!netdev) {
af19b491 2011 err = -ENOMEM;
7e2cf4fe 2012 goto err_out_iounmap;
af19b491
AKS		 2013 }
2014
2015 SET_NETDEV_DEV(netdev, &pdev->dev);
2016
2017 adapter = netdev_priv(netdev);
2018 adapter->netdev = netdev;
2019 adapter->pdev = pdev;
13159183
SC		 2020 adapter->ahw = ahw;
2021
2022 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2023 if (adapter->qlcnic_wq == NULL) {
02135582 2024 err = -ENOMEM;
13159183
SC		 2025 dev_err(&pdev->dev, "Failed to create workqueue\n");
2026 goto err_out_free_netdev;
2027 }
af19b491 2028
2dfc9671
PST		 2029 err = qlcnic_alloc_adapter_resources(adapter);
2030 if (err)
b1fc6d3c
AC		 2031 goto err_out_free_netdev;
2032
2033 adapter->dev_rst_time = jiffies;
7e2cf4fe 2034 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2035 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2036 adapter->fdb_mac_learn = true;
2037 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2038 adapter->drv_mac_learn = true;
7e2cf4fe 2039 adapter->max_drv_tx_rings = 1;
af19b491 2040
b1fc6d3c
AC		 2041 rwlock_init(&adapter->ahw->crb_lock);
2042 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 2043
2044 spin_lock_init(&adapter->tx_clean_lock);
2045 INIT_LIST_HEAD(&adapter->mac_list);
2046
7e2cf4fe 2047 if (qlcnic_82xx_check(adapter)) {
13159183 2048 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2049 adapter->portnum = adapter->ahw->pci_func;
2050 err = qlcnic_start_firmware(adapter);
2051 if (err) {
2052 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2053 goto err_out_free_hw;
2054 }
af19b491 2055
7e2cf4fe
SC		 2056 err = qlcnic_setup_idc_param(adapter);
2057 if (err)
2058 goto err_out_free_hw;
b0044bcf 2059
7e2cf4fe 2060 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 2061 } else if (qlcnic_83xx_check(adapter)) {
2062 qlcnic_83xx_check_vf(adapter, ent);
2063 adapter->portnum = adapter->ahw->pci_func;
f8468331 2064 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2065 if (err) {
2066 dev_err(&pdev->dev, "%s: failed\n", __func__);
2067 goto err_out_free_hw;
2068 }
f8468331
RB		 2069 if (qlcnic_sriov_vf_check(adapter))
2070 return 0;
13159183
SC		 2071 } else {
2072 dev_err(&pdev->dev,
2073 "%s: failed. Please Reboot\n", __func__);
2074 goto err_out_free_hw;
a7fc948f 2075 }
af19b491 2076
da48e6c3
RB		 2077 if (qlcnic_read_mac_addr(adapter))
2078 dev_warn(&pdev->dev, "failed to read mac addr\n");
2079
2080 if (adapter->portnum == 0) {
22999798 2081 qlcnic_get_board_name(adapter, board_name);
13159183 2082
da48e6c3 2083 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2084 module_name(THIS_MODULE),
2085 board_name, adapter->ahw->revision_id);
da48e6c3 2086 }
460374f7
HM		 2087
2088 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2089 !!qlcnic_use_msi)
2090 dev_warn(&pdev->dev,
2091 "83xx adapter do not support MSI interrupts\n");
2092
7e2cf4fe 2093 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 2094 if (err) {
2095 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 2096 goto err_out_disable_msi;
9a97e705 2097 }
f94bc1e7 2098
13159183
SC		 2099 if (qlcnic_83xx_check(adapter)) {
2100 err = qlcnic_83xx_setup_mbx_intr(adapter);
2101 if (err)
2102 goto err_out_disable_msi;
2103 }
af19b491 2104
02135582
SC		 2105 err = qlcnic_get_act_pci_func(adapter);
2106 if (err)
2107 goto err_out_disable_mbx_intr;
2108
1bb09fb9 2109 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2110 if (err)
7e2cf4fe 2111 goto err_out_disable_mbx_intr;
af19b491 2112
c84e340a
SV		 2113 if (qlcnic_82xx_check(adapter)) {
2114 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
2115 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
2116 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
2117 qlcnic_fw_cmd_set_drv_version(adapter);
2118 }
2119 }
2120
af19b491
AKS		 2121 pci_set_drvdata(pdev, adapter);
2122
97ee45eb
SC		 2123 if (qlcnic_82xx_check(adapter))
2124 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2125 FW_POLL_DELAY);
af19b491 2126
b1fc6d3c 2127 switch (adapter->ahw->port_type) {
af19b491
AKS		 2128 case QLCNIC_GBE:
2129 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2130 adapter->netdev->name);
2131 break;
2132 case QLCNIC_XGBE:
2133 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2134 adapter->netdev->name);
2135 break;
2136 }
2137
fe1adc6b 2138 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2139 qlcnic_alloc_lb_filters_mem(adapter);
2140
7e2cf4fe 2141 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2142
2143 return 0;
2144
7e2cf4fe 2145err_out_disable_mbx_intr:
7dd90cf1 2146 if (qlcnic_83xx_check(adapter))
13159183 2147 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2148
af19b491
AKS		 2149err_out_disable_msi:
2150 qlcnic_teardown_intr(adapter);
7e2cf4fe 2151 qlcnic_cancel_idc_work(adapter);
21854f02 2152 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2153
b1fc6d3c
AC		 2154err_out_free_hw:
2155 qlcnic_free_adapter_resources(adapter);
2156
af19b491
AKS		 2157err_out_free_netdev:
2158 free_netdev(netdev);
2159
7e2cf4fe 2160err_out_iounmap:
f1a094a8 2161 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2162
2163err_out_free_hw_res:
2164 kfree(ahw);
2165
af19b491
AKS		 2166err_out_free_res:
2167 pci_release_regions(pdev);
2168
2169err_out_disable_pdev:
2170 pci_set_drvdata(pdev, NULL);
2171 pci_disable_device(pdev);
2172 return err;
2173}
2174
6bb58bb0 2175static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2176{
2177 struct qlcnic_adapter *adapter;
2178 struct net_device *netdev;
13159183 2179 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2180
2181 adapter = pci_get_drvdata(pdev);
2182 if (adapter == NULL)
2183 return;
2184
2185 netdev = adapter->netdev;
02feda17 2186 qlcnic_sriov_pf_disable(adapter);
af19b491 2187
13159183
SC		 2188 qlcnic_cancel_idc_work(adapter);
2189 ahw = adapter->ahw;
af19b491
AKS		 2190
2191 unregister_netdev(netdev);
02feda17 2192 qlcnic_sriov_cleanup(adapter);
af19b491 2193
13159183 2194 if (qlcnic_83xx_check(adapter)) {
13159183 2195 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2196 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2197 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2198 }
2199
af19b491
AKS		 2200 qlcnic_detach(adapter);
2201
2e9d722d
AC		 2202 if (adapter->npars != NULL)
2203 kfree(adapter->npars);
2204 if (adapter->eswitch != NULL)
2205 kfree(adapter->eswitch);
2206
97ee45eb
SC		 2207 if (qlcnic_82xx_check(adapter))
2208 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2209
2210 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2211
b5e5492c
AKS		 2212 qlcnic_free_lb_filters_mem(adapter);
2213
af19b491
AKS		 2214 qlcnic_teardown_intr(adapter);
2215
13159183 2216 qlcnic_remove_sysfs(adapter);
af19b491 2217
f1a094a8 2218 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2219
2220 qlcnic_release_firmware(adapter);
2221
451724c8 2222 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2223 pci_release_regions(pdev);
2224 pci_disable_device(pdev);
2225 pci_set_drvdata(pdev, NULL);
2226
13159183
SC		 2227 if (adapter->qlcnic_wq) {
2228 destroy_workqueue(adapter->qlcnic_wq);
2229 adapter->qlcnic_wq = NULL;
2230 }
b1fc6d3c 2231 qlcnic_free_adapter_resources(adapter);
13159183 2232 kfree(ahw);
af19b491
AKS		 2233 free_netdev(netdev);
2234}
2235static int __qlcnic_shutdown(struct pci_dev *pdev)
2236{
2237 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2238 struct net_device *netdev = adapter->netdev;
2239 int retval;
2240
2241 netif_device_detach(netdev);
2242
13159183 2243 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2244
2245 if (netif_running(netdev))
2246 qlcnic_down(adapter, netdev);
2247
97d8105c 2248 qlcnic_sriov_cleanup(adapter);
97ee45eb
SC		 2249 if (qlcnic_82xx_check(adapter))
2250 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2251
2252 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2253
2254 retval = pci_save_state(pdev);
2255 if (retval)
2256 return retval;
97ee45eb
SC		 2257 if (qlcnic_82xx_check(adapter)) {
2258 if (qlcnic_wol_supported(adapter)) {
2259 pci_enable_wake(pdev, PCI_D3cold, 1);
2260 pci_enable_wake(pdev, PCI_D3hot, 1);
2261 }
af19b491
AKS		 2262 }
2263
2264 return 0;
2265}
2266
2267static void qlcnic_shutdown(struct pci_dev *pdev)
2268{
2269 if (__qlcnic_shutdown(pdev))
2270 return;
2271
2272 pci_disable_device(pdev);
2273}
2274
2275#ifdef CONFIG_PM
2276static int
2277qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2278{
2279 int retval;
2280
2281 retval = __qlcnic_shutdown(pdev);
2282 if (retval)
2283 return retval;
2284
2285 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2286 return 0;
2287}
2288
2289static int
2290qlcnic_resume(struct pci_dev *pdev)
2291{
2292 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2293 struct net_device *netdev = adapter->netdev;
2294 int err;
2295
2296 err = pci_enable_device(pdev);
2297 if (err)
2298 return err;
2299
2300 pci_set_power_state(pdev, PCI_D0);
2301 pci_set_master(pdev);
2302 pci_restore_state(pdev);
2303
13159183 2304 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2305 if (err) {
2306 dev_err(&pdev->dev, "failed to start firmware\n");
2307 return err;
2308 }
2309
2310 if (netif_running(netdev)) {
af19b491
AKS		 2311 err = qlcnic_up(adapter, netdev);
2312 if (err)
52486a3a 2313 goto done;
af19b491 2314
aec1e845 2315 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2316 }
52486a3a 2317done:
af19b491
AKS		 2318 netif_device_attach(netdev);
2319 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2320 return 0;
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
af19b491 2659static void
21854f02 2660qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2661{
2662 u32 val;
2663
2664 if (qlcnic_api_lock(adapter))
2665 goto err;
2666
a15ebd37 2667 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2668 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2669 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2670
21854f02 2671 if (failed) {
a15ebd37
HM		 2672 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2673 QLCNIC_DEV_FAILED);
21854f02
AKS		 2674 dev_info(&adapter->pdev->dev,
2675 "Device state set to Failed. Please Reboot\n");
2676 } else if (!(val & 0x11111111))
a15ebd37
HM		 2677 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2678 QLCNIC_DEV_COLD);
af19b491 2679
a15ebd37 2680 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2681 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2682 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2683
2684 qlcnic_api_unlock(adapter);
2685err:
2686 adapter->fw_fail_cnt = 0;
032a13c7 2687 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2688 clear_bit(__QLCNIC_START_FW, &adapter->state);
2689 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2690}
2691
f73dfc50 2692/* Grab api lock, before checking state */
af19b491
AKS		 2693static int
2694qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2695{
602ca6f0 2696 int act, state, active_mask;
a15ebd37 2697 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2698
a15ebd37
HM		 2699 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2700 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2701
602ca6f0 2702 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2703 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2704 act = act & active_mask;
2705 }
2706
af19b491
AKS		 2707 if (((state & 0x11111111) == (act & 0x11111111)) ||
2708 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2709 return 0;
2710 else
2711 return 1;
2712}
2713
96f8118c
SC		 2714static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2715{
a15ebd37 2716 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2717
2718 if (val != QLCNIC_DRV_IDC_VER) {
2719 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2720 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2721 }
2722
2723 return 0;
2724}
2725
af19b491
AKS		 2726static int
2727qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2728{
2729 u32 val, prev_state;
aa5e18c0 2730 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2731 u8 portnum = adapter->portnum;
96f8118c 2732 u8 ret;
af19b491 2733
f73dfc50
AKS		 2734 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2735 return 1;
2736
af19b491
AKS		 2737 if (qlcnic_api_lock(adapter))
2738 return -1;
2739
a15ebd37 2740 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2741 if (!(val & (1 << (portnum * 4)))) {
2742 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2743 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2744 }
2745
a15ebd37 2746 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2747 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2748
2749 switch (prev_state) {
2750 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2751 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2752 QLCNIC_DEV_INITIALIZING);
2753 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2754 QLCNIC_DRV_IDC_VER);
6df900e9 2755 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2756 qlcnic_api_unlock(adapter);
2757 return 1;
2758
2759 case QLCNIC_DEV_READY:
96f8118c 2760 ret = qlcnic_check_idc_ver(adapter);
af19b491 2761 qlcnic_api_unlock(adapter);
96f8118c 2762 return ret;
af19b491
AKS		 2763
2764 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2765 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2766 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2767 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2768 break;
2769
2770 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2771 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2772 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2773 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2774 break;
2775
2776 case QLCNIC_DEV_FAILED:
a7fc948f 2777 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2778 qlcnic_api_unlock(adapter);
2779 return -1;
bbd8c6a4
AKS		 2780
2781 case QLCNIC_DEV_INITIALIZING:
2782 case QLCNIC_DEV_QUISCENT:
2783 break;
af19b491
AKS		 2784 }
2785
2786 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2787
2788 do {
af19b491 2789 msleep(1000);
a15ebd37 2790 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2791
2792 if (prev_state == QLCNIC_DEV_QUISCENT)
2793 continue;
2794 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2795
65b5b420
AKS		 2796 if (!dev_init_timeo) {
2797 dev_err(&adapter->pdev->dev,
2798 "Waiting for device to initialize timeout\n");
af19b491 2799 return -1;
65b5b420 2800 }
af19b491
AKS		 2801
2802 if (qlcnic_api_lock(adapter))
2803 return -1;
2804
a15ebd37 2805 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2806 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2807 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2808
96f8118c 2809 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2810 qlcnic_api_unlock(adapter);
2811
96f8118c 2812 return ret;
af19b491
AKS		 2813}
2814
2815static void
2816qlcnic_fwinit_work(struct work_struct *work)
2817{
2818 struct qlcnic_adapter *adapter = container_of(work,
2819 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2820 u32 dev_state = 0xf;
7b749ff4 2821 u32 val;
af19b491 2822
f73dfc50
AKS		 2823 if (qlcnic_api_lock(adapter))
2824 goto err_ret;
af19b491 2825
a15ebd37 2826 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2827 if (dev_state == QLCNIC_DEV_QUISCENT ||
2828 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2829 qlcnic_api_unlock(adapter);
2830 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2831 FW_POLL_DELAY * 2);
2832 return;
2833 }
2834
79788450 2835 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2836 qlcnic_api_unlock(adapter);
2837 goto wait_npar;
9f26f547
AC		 2838 }
2839
16e3cf73
SV		 2840 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2841 dev_state == QLCNIC_DEV_READY) {
2842 dev_info(&adapter->pdev->dev, "Detected state change from "
2843 "DEV_NEED_RESET, skipping ack check\n");
2844 goto skip_ack_check;
2845 }
2846
f73dfc50 2847 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2848 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2849 adapter->reset_ack_timeo);
2850 goto skip_ack_check;
2851 }
2852
2853 if (!qlcnic_check_drv_state(adapter)) {
2854skip_ack_check:
a15ebd37 2855 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2856
f73dfc50 2857 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2858 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2859 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2860 set_bit(__QLCNIC_START_FW, &adapter->state);
2861 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2862 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2863 val = QLC_SHARED_REG_RD32(adapter,
2864 QLCNIC_CRB_DRV_STATE);
7b749ff4 2865 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2866 QLC_SHARED_REG_WR32(adapter,
2867 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2868 }
2869
f73dfc50
AKS		 2870 qlcnic_api_unlock(adapter);
2871
287e38aa 2872 rtnl_lock();
7b749ff4
SV		 2873 if (adapter->ahw->fw_dump.enable &&
2874 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2875 QLCDB(adapter, DRV, "Take FW dump\n");
2876 qlcnic_dump_fw(adapter);
032a13c7 2877 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2878 }
287e38aa 2879 rtnl_unlock();
7b749ff4
SV		 2880
2881 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2882 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2883 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2884 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2885 return;
2886 }
af19b491
AKS		 2887 goto err_ret;
2888 }
2889
f73dfc50 2890 qlcnic_api_unlock(adapter);
aa5e18c0 2891
9f26f547 2892wait_npar:
a15ebd37 2893 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2894 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2895
af19b491 2896 switch (dev_state) {
3c4b23b1 2897 case QLCNIC_DEV_READY:
7e2cf4fe 2898 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2899 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2900 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2901 return;
2902 }
3c4b23b1
AKS		 2903 case QLCNIC_DEV_FAILED:
2904 break;
2905 default:
2906 qlcnic_schedule_work(adapter,
2907 qlcnic_fwinit_work, FW_POLL_DELAY);
2908 return;
af19b491
AKS		 2909 }
2910
2911err_ret:
f73dfc50
AKS		 2912 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2913 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2914 netif_device_attach(adapter->netdev);
21854f02 2915 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2916}
2917
2918static void
2919qlcnic_detach_work(struct work_struct *work)
2920{
2921 struct qlcnic_adapter *adapter = container_of(work,
2922 struct qlcnic_adapter, fw_work.work);
2923 struct net_device *netdev = adapter->netdev;
2924 u32 status;
2925
2926 netif_device_detach(netdev);
2927
b8c17620
AKS		 2928 /* Dont grab rtnl lock during Quiscent mode */
2929 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2930 if (netif_running(netdev))
2931 __qlcnic_down(adapter, netdev);
2932 } else
2933 qlcnic_down(adapter, netdev);
af19b491 2934
a15ebd37 2935 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2936
44f65b29
SC		 2937 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2938 dev_err(&adapter->pdev->dev,
2939 "Detaching the device: peg halt status1=0x%x\n",
2940 status);
2941
2942 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2943 dev_err(&adapter->pdev->dev,
2944 "On board active cooling fan failed. "
2945 "Device has been halted.\n");
2946 dev_err(&adapter->pdev->dev,
2947 "Replace the adapter.\n");
2948 }
2949
af19b491 2950 goto err_ret;
44f65b29 2951 }
af19b491 2952
79788450 2953 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2954 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2955 adapter->ahw->temp);
af19b491 2956 goto err_ret;
44f65b29
SC		 2957 }
2958
602ca6f0
SV		 2959 /* Dont ack if this instance is the reset owner */
2960 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2961 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2962 dev_err(&adapter->pdev->dev,
2963 "Failed to set driver state,"
2964 "detaching the device.\n");
602ca6f0 2965 goto err_ret;
44f65b29 2966 }
602ca6f0 2967 }
af19b491
AKS		 2968
2969 adapter->fw_wait_cnt = 0;
2970
2971 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2972
2973 return;
2974
2975err_ret:
34ce3626 2976 netif_device_attach(netdev);
21854f02 2977 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2978}
2979
3c4b23b1
AKS		 2980/*Transit NPAR state to NON Operational */
2981static void
2982qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2983{
2984 u32 state;
2985
a15ebd37 2986 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2987 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2988 return;
2989
2990 if (qlcnic_api_lock(adapter))
2991 return;
a15ebd37
HM		 2992 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2993 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2994 qlcnic_api_unlock(adapter);
2995}
2996
7e2cf4fe 2997void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2998{
646779f1
SV		 2999 u32 state, xg_val = 0, gb_val = 0;
3000
3001 qlcnic_xg_set_xg0_mask(xg_val);
3002 qlcnic_xg_set_xg1_mask(xg_val);
3003 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3004 qlcnic_gb_set_gb0_mask(gb_val);
3005 qlcnic_gb_set_gb1_mask(gb_val);
3006 qlcnic_gb_set_gb2_mask(gb_val);
3007 qlcnic_gb_set_gb3_mask(gb_val);
3008 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3009 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3010 " on all ports\n");
cea8975e 3011 adapter->need_fw_reset = 1;
13159183 3012
af19b491
AKS		 3013 if (qlcnic_api_lock(adapter))
3014 return;
3015
13159183 3016 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 3017
f73dfc50 3018 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3019 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3020 QLCNIC_DEV_NEED_RESET);
602ca6f0 3021 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3022 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3023 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3024 }
3025
13159183
SC		 3026 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3027 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3028 qlcnic_api_unlock(adapter);
3029}
3030
9f26f547
AC		 3031/* Transit to NPAR READY state from NPAR NOT READY state */
3032static void
3033qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3034{
9f26f547
AC		 3035 if (qlcnic_api_lock(adapter))
3036 return;
3037
a15ebd37
HM		 3038 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3039 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3040 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3041
3042 qlcnic_api_unlock(adapter);
3043}
3044
13159183
SC		 3045void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3046 work_func_t func, int delay)
af19b491 3047{
451724c8
SC		 3048 if (test_bit(__QLCNIC_AER, &adapter->state))
3049 return;
3050
af19b491 3051 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3052 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3053 round_jiffies_relative(delay));
af19b491
AKS		 3054}
3055
3056static void
3057qlcnic_attach_work(struct work_struct *work)
3058{
3059 struct qlcnic_adapter *adapter = container_of(work,
3060 struct qlcnic_adapter, fw_work.work);
3061 struct net_device *netdev = adapter->netdev;
b18971d1 3062 u32 npar_state;
af19b491 3063
79788450 3064 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3065 npar_state = QLC_SHARED_REG_RD32(adapter,
3066 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3067 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3068 qlcnic_clr_all_drv_state(adapter, 0);
3069 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3070 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3071 FW_POLL_DELAY);
3072 else
3073 goto attach;
3074 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3075 return;
3076 }
3077attach:
af19b491 3078 if (netif_running(netdev)) {
52486a3a 3079 if (qlcnic_up(adapter, netdev))
af19b491 3080 goto done;
af19b491 3081
aec1e845 3082 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3083 }
3084
af19b491 3085done:
34ce3626 3086 netif_device_attach(netdev);
af19b491 3087 adapter->fw_fail_cnt = 0;
032a13c7 3088 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3089 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 3090
3091 if (!qlcnic_clr_drv_state(adapter))
3092 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3093 FW_POLL_DELAY);
af19b491
AKS		 3094}
3095
3096static int
3097qlcnic_check_health(struct qlcnic_adapter *adapter)
3098{
4e70812b 3099 u32 state = 0, heartbeat;
853d4bca 3100 u32 peg_status;
af19b491
AKS		 3101
3102 if (qlcnic_check_temp(adapter))
3103 goto detach;
3104
2372a5f1 3105 if (adapter->need_fw_reset)
7e2cf4fe 3106 qlcnic_dev_request_reset(adapter, 0);
af19b491 3107
a15ebd37 3108 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3109 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3110 qlcnic_set_npar_non_operational(adapter);
af19b491 3111 adapter->need_fw_reset = 1;
b8c17620
AKS		 3112 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3113 goto detach;
af19b491 3114
a15ebd37 3115 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3116 if (heartbeat != adapter->heartbeat) {
3117 adapter->heartbeat = heartbeat;
af19b491
AKS		 3118 adapter->fw_fail_cnt = 0;
3119 if (adapter->need_fw_reset)
3120 goto detach;
68bf1c68 3121
0ce54ce4 3122 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3123 qlcnic_reset_hw_context(adapter);
68bf1c68 3124
af19b491
AKS		 3125 return 0;
3126 }
3127
3128 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3129 return 0;
3130
032a13c7
SV		 3131 adapter->flags |= QLCNIC_FW_HANG;
3132
7e2cf4fe 3133 qlcnic_dev_request_reset(adapter, 0);
af19b491 3134
099f7aa7 3135 if (qlcnic_auto_fw_reset)
0df170b6 3136 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3137
853d4bca 3138 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3139 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3140 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3141 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3142 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3143 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3144 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3145 peg_status,
3146 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 3147 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3148 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3149 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3150 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3151 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 3152 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3153 dev_err(&adapter->pdev->dev,
3154 "Firmware aborted with error code 0x00006700. "
3155 "Device is being reset.\n");
af19b491
AKS		 3156detach:
3157 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3158 QLCNIC_DEV_NEED_RESET;
3159
099f7aa7
SC		 3160 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3161 &adapter->state)) {
65b5b420 3162
af19b491 3163 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3164 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3165 }
af19b491
AKS		 3166
3167 return 1;
3168}
3169
3170static void
3171qlcnic_fw_poll_work(struct work_struct *work)
3172{
3173 struct qlcnic_adapter *adapter = container_of(work,
3174 struct qlcnic_adapter, fw_work.work);
3175
3176 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3177 goto reschedule;
3178
3179
3180 if (qlcnic_check_health(adapter))
3181 return;
3182
b5e5492c
AKS		 3183 if (adapter->fhash.fnum)
3184 qlcnic_prune_lb_filters(adapter);
3185
af19b491
AKS		 3186reschedule:
3187 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3188}
3189
451724c8
SC		 3190static int qlcnic_is_first_func(struct pci_dev *pdev)
3191{
3192 struct pci_dev *oth_pdev;
3193 int val = pdev->devfn;
3194
3195 while (val-- > 0) {
3196 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3197 (pdev->bus), pdev->bus->number,
3198 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3199 if (!oth_pdev)
3200 continue;
451724c8 3201
bfc978fa
AKS		 3202 if (oth_pdev->current_state != PCI_D3cold) {
3203 pci_dev_put(oth_pdev);
451724c8 3204 return 0;
bfc978fa
AKS		 3205 }
3206 pci_dev_put(oth_pdev);
451724c8
SC		 3207 }
3208 return 1;
3209}
3210
3211static int qlcnic_attach_func(struct pci_dev *pdev)
3212{
3213 int err, first_func;
3214 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3215 struct net_device *netdev = adapter->netdev;
3216
3217 pdev->error_state = pci_channel_io_normal;
3218
3219 err = pci_enable_device(pdev);
3220 if (err)
3221 return err;
3222
3223 pci_set_power_state(pdev, PCI_D0);
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;
3521 struct net_device *dev = (struct net_device *)ptr;
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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