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