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[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
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af19b491 1/*
40839129
SV		 2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 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"
a15ebd37 12#include "qlcnic_hw.h"
af19b491 13
7e56cac4 14#include <linux/swab.h>
af19b491 15#include <linux/dma-mapping.h>
13159183 16#include <linux/if_vlan.h>
af19b491
AKS		 17#include <net/ip.h>
18#include <linux/ipv6.h>
19#include <linux/inetdevice.h>
451724c8 20#include <linux/aer.h>
f94bc1e7 21#include <linux/log2.h>
47caf255 22#include <linux/pci.h>
af19b491 23
7f9a0c34 24MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 25MODULE_LICENSE("GPL");
26MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
27MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
28
29char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 30static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 32
b5e5492c 33static int qlcnic_mac_learn;
b11a25aa 34module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 35MODULE_PARM_DESC(qlcnic_mac_learn,
36 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 37
629263ac 38int qlcnic_use_msi = 1;
af19b491 39MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
099f7aa7 40module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 41
629263ac 42int qlcnic_use_msi_x = 1;
af19b491 43MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
099f7aa7 44module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 45
629263ac 46int qlcnic_auto_fw_reset = 1;
af19b491 47MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
099f7aa7 48module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 49
629263ac 50int qlcnic_load_fw_file;
4d5bdb38 51MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 52module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 53
629263ac 54int qlcnic_config_npars;
b11a25aa 55module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 56MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
57
1dd06ae8 58static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 59static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 60static int qlcnic_open(struct net_device *netdev);
61static int qlcnic_close(struct net_device *netdev);
af19b491 62static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 63static void qlcnic_attach_work(struct work_struct *work);
64static void qlcnic_fwinit_work(struct work_struct *work);
65static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 66#ifdef CONFIG_NET_POLL_CONTROLLER
67static void qlcnic_poll_controller(struct net_device *netdev);
68#endif
69
6df900e9 70static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 71static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 72static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
73
7eb9855d 74static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 75static irqreturn_t qlcnic_intr(int irq, void *data);
76static irqreturn_t qlcnic_msi_intr(int irq, void *data);
77static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 78static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 79
80static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 81static int qlcnic_start_firmware(struct qlcnic_adapter *);
82
b5e5492c 83static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 84static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 85static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 86static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
87 struct qlcnic_esw_func_cfg *);
8e586137
JP		 88static int qlcnic_vlan_rx_add(struct net_device *, u16);
89static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 90
bff57d8e
SC		 91#define QLCNIC_IS_TSO_CAPABLE(adapter) \
92 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
93
13159183
SC		 94static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
95{
96 struct qlcnic_hardware_context *ahw = adapter->ahw;
97
98 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
99 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
100 else
101 return 1;
102}
103
af19b491
AKS		 104/* PCI Device ID Table */
105#define ENTRY(device) \
106 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
107 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
108
6a902881 109static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
af19b491
AKS		 112 {0,}
113};
114
115MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
116
117
5ad6ff9d 118inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 119{
120 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 121}
122
123static const u32 msi_tgt_status[8] = {
124 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
125 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
126 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
127 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
128};
129
7e2cf4fe
SC		 130static const u32 qlcnic_reg_tbl[] = {
131 0x1B20A8, /* PEG_HALT_STAT1 */
132 0x1B20AC, /* PEG_HALT_STAT2 */
133 0x1B20B0, /* FW_HEARTBEAT */
134 0x1B2100, /* LOCK ID */
135 0x1B2128, /* FW_CAPABILITIES */
136 0x1B2138, /* drv active */
137 0x1B2140, /* dev state */
138 0x1B2144, /* drv state */
139 0x1B2148, /* drv scratch */
140 0x1B214C, /* dev partition info */
141 0x1B2174, /* drv idc ver */
142 0x1B2150, /* fw version major */
143 0x1B2154, /* fw version minor */
144 0x1B2158, /* fw version sub */
145 0x1B219C, /* npar state */
146 0x1B21FC, /* FW_IMG_VALID */
147 0x1B2250, /* CMD_PEG_STATE */
148 0x1B233C, /* RCV_PEG_STATE */
149 0x1B23B4, /* ASIC TEMP */
150 0x1B216C, /* FW api */
151 0x1B2170, /* drv op mode */
152 0x13C010, /* flash lock */
153 0x13C014, /* flash unlock */
154};
155
22999798
SC		 156static const struct qlcnic_board_info qlcnic_boards[] = {
157 {0x1077, 0x8020, 0x1077, 0x203,
158 "8200 Series Single Port 10GbE Converged Network Adapter"
159 "(TCP/IP Networking)"},
160 {0x1077, 0x8020, 0x1077, 0x207,
161 "8200 Series Dual Port 10GbE Converged Network Adapter"
162 "(TCP/IP Networking)"},
163 {0x1077, 0x8020, 0x1077, 0x20b,
164 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
165 {0x1077, 0x8020, 0x1077, 0x20c,
166 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
167 {0x1077, 0x8020, 0x1077, 0x20f,
168 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
169 {0x1077, 0x8020, 0x103c, 0x3733,
170 "NC523SFP 10Gb 2-port Server Adapter"},
171 {0x1077, 0x8020, 0x103c, 0x3346,
172 "CN1000Q Dual Port Converged Network Adapter"},
173 {0x1077, 0x8020, 0x1077, 0x210,
174 "QME8242-k 10GbE Dual Port Mezzanine Card"},
175 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
176};
177
178#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 179#define QLC_MAX_SDS_RINGS 8
22999798 180
af19b491
AKS		 181static const
182struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
183
c70001a9 184int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 185{
186 int size = sizeof(struct qlcnic_host_sds_ring) * count;
187
188 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
189
807540ba 190 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 191}
192
c70001a9 193void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 194{
195 if (recv_ctx->sds_rings != NULL)
196 kfree(recv_ctx->sds_rings);
197
198 recv_ctx->sds_rings = NULL;
199}
200
af19b491
AKS		 201static int
202qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
203{
2e9d722d 204 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 205 struct net_device *netdev = adapter->netdev;
206 struct pci_dev *pdev = adapter->pdev;
207
da48e6c3 208 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 209 return -EIO;
210
2e9d722d 211 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 212 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
213
214 /* set station address */
215
aaeb6cdf 216 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 217 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
218 netdev->dev_addr);
219
220 return 0;
221}
222
223static int qlcnic_set_mac(struct net_device *netdev, void *p)
224{
225 struct qlcnic_adapter *adapter = netdev_priv(netdev);
226 struct sockaddr *addr = p;
227
7373373d
RB		 228 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
229 return -EOPNOTSUPP;
230
af19b491 231 if (!is_valid_ether_addr(addr->sa_data))
13159183 232 return -EINVAL;
af19b491 233
8a15ad1f 234 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 235 netif_device_detach(netdev);
236 qlcnic_napi_disable(adapter);
237 }
238
239 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
240 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
241 qlcnic_set_multi(adapter->netdev);
242
8a15ad1f 243 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 244 netif_device_attach(netdev);
245 qlcnic_napi_enable(adapter);
246 }
247 return 0;
248}
249
fe1adc6b
JK		 250static int qlcnic_fdb_del(struct ndmsg *ndm, struct net_device *netdev,
251 const unsigned char *addr)
252{
253 struct qlcnic_adapter *adapter = netdev_priv(netdev);
254 int err = -EOPNOTSUPP;
255
256 if (!adapter->fdb_mac_learn) {
257 pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
258 __func__);
259 return err;
260 }
261
262 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
263 if (is_unicast_ether_addr(addr))
264 err = qlcnic_nic_del_mac(adapter, addr);
265 else if (is_multicast_ether_addr(addr))
266 err = dev_mc_del(netdev, addr);
267 else
268 err = -EINVAL;
269 }
270 return err;
271}
272
273static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
274 struct net_device *netdev,
275 const unsigned char *addr, u16 flags)
276{
277 struct qlcnic_adapter *adapter = netdev_priv(netdev);
278 int err = 0;
279
280 if (!adapter->fdb_mac_learn) {
281 pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
282 __func__);
283 return -EOPNOTSUPP;
284 }
285
286 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
287 pr_info("%s: FDB e-switch is not enabled\n", __func__);
288 return -EOPNOTSUPP;
289 }
290
291 if (ether_addr_equal(addr, adapter->mac_addr))
292 return err;
293
294 if (is_unicast_ether_addr(addr))
295 err = qlcnic_nic_add_mac(adapter, addr);
296 else if (is_multicast_ether_addr(addr))
297 err = dev_mc_add_excl(netdev, addr);
298 else
299 err = -EINVAL;
300
301 return err;
302}
303
304static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
305 struct net_device *netdev, int idx)
306{
307 struct qlcnic_adapter *adapter = netdev_priv(netdev);
308
309 if (!adapter->fdb_mac_learn) {
310 pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
311 __func__);
312 return -EOPNOTSUPP;
313 }
314
315 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
316 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
317
318 return idx;
319}
320
7e2cf4fe
SC		 321static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
322{
323 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
324 usleep_range(10000, 11000);
325
326 cancel_delayed_work_sync(&adapter->fw_work);
327}
328
af19b491
AKS		 329static const struct net_device_ops qlcnic_netdev_ops = {
330 .ndo_open = qlcnic_open,
331 .ndo_stop = qlcnic_close,
332 .ndo_start_xmit = qlcnic_xmit_frame,
333 .ndo_get_stats = qlcnic_get_stats,
334 .ndo_validate_addr = eth_validate_addr,
afc4b13d 335 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 336 .ndo_set_mac_address = qlcnic_set_mac,
337 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 338 .ndo_fix_features = qlcnic_fix_features,
339 .ndo_set_features = qlcnic_set_features,
af19b491 340 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 341 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
342 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 343 .ndo_fdb_add = qlcnic_fdb_add,
344 .ndo_fdb_del = qlcnic_fdb_del,
345 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 346#ifdef CONFIG_NET_POLL_CONTROLLER
347 .ndo_poll_controller = qlcnic_poll_controller,
348#endif
349};
350
b43e5ee7
SC		 351static const struct net_device_ops qlcnic_netdev_failed_ops = {
352 .ndo_open = qlcnic_open,
353};
354
2e9d722d 355static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 356 .config_bridged_mode = qlcnic_config_bridged_mode,
357 .config_led = qlcnic_82xx_config_led,
358 .start_firmware = qlcnic_82xx_start_firmware,
359 .request_reset = qlcnic_82xx_dev_request_reset,
360 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
361 .napi_add = qlcnic_82xx_napi_add,
4be41e92 362 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 363 .config_ipaddr = qlcnic_82xx_config_ipaddr,
364 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
365};
366
367struct qlcnic_nic_template qlcnic_vf_ops = {
368 .config_bridged_mode = qlcnicvf_config_bridged_mode,
369 .config_led = qlcnicvf_config_led,
370 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 371};
372
7e2cf4fe
SC		 373static struct qlcnic_hardware_ops qlcnic_hw_ops = {
374 .read_crb = qlcnic_82xx_read_crb,
375 .write_crb = qlcnic_82xx_write_crb,
376 .read_reg = qlcnic_82xx_hw_read_wx_2M,
377 .write_reg = qlcnic_82xx_hw_write_wx_2M,
378 .get_mac_address = qlcnic_82xx_get_mac_address,
379 .setup_intr = qlcnic_82xx_setup_intr,
380 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
381 .mbx_cmd = qlcnic_82xx_issue_cmd,
382 .get_func_no = qlcnic_82xx_get_func_no,
383 .api_lock = qlcnic_82xx_api_lock,
384 .api_unlock = qlcnic_82xx_api_unlock,
385 .add_sysfs = qlcnic_82xx_add_sysfs,
386 .remove_sysfs = qlcnic_82xx_remove_sysfs,
387 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
388 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
389 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
390 .setup_link_event = qlcnic_82xx_linkevent_request,
391 .get_nic_info = qlcnic_82xx_get_nic_info,
392 .get_pci_info = qlcnic_82xx_get_pci_info,
393 .set_nic_info = qlcnic_82xx_set_nic_info,
394 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
395 .napi_enable = qlcnic_82xx_napi_enable,
396 .napi_disable = qlcnic_82xx_napi_disable,
397 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
398 .config_rss = qlcnic_82xx_config_rss,
399 .config_hw_lro = qlcnic_82xx_config_hw_lro,
400 .config_loopback = qlcnic_82xx_set_lb_mode,
401 .clear_loopback = qlcnic_82xx_clear_lb_mode,
402 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
403 .change_l2_filter = qlcnic_82xx_change_filter,
404 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 405};
406
7f966452 407int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 408{
af19b491 409 struct pci_dev *pdev = adapter->pdev;
13159183
SC		 410 int err = -1, i;
411 int max_tx_rings;
412
413 if (!adapter->msix_entries) {
414 adapter->msix_entries = kcalloc(num_msix,
415 sizeof(struct msix_entry),
416 GFP_KERNEL);
b2adaca9 417 if (!adapter->msix_entries)
13159183 418 return -ENOMEM;
13159183 419 }
af19b491
AKS		 420
421 adapter->max_sds_rings = 1;
af19b491 422 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 423
79788450 424 if (adapter->ahw->msix_supported) {
f94bc1e7 425 enable_msix:
13159183
SC		 426 for (i = 0; i < num_msix; i++)
427 adapter->msix_entries[i].entry = i;
af19b491
AKS		 428 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
429 if (err == 0) {
430 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 431 if (qlcnic_83xx_check(adapter)) {
432 adapter->ahw->num_msix = num_msix;
433 /* subtract mail box and tx ring vectors */
434 max_tx_rings = adapter->max_drv_tx_rings;
435 adapter->max_sds_rings = num_msix -
436 max_tx_rings - 1;
437 } else {
438 adapter->max_sds_rings = num_msix;
439 }
af19b491 440 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 441 return err;
13159183
SC		 442 } else if (err > 0) {
443 dev_info(&pdev->dev,
444 "Unable to allocate %d MSI-X interrupt vectors\n",
445 num_msix);
446 if (qlcnic_83xx_check(adapter)) {
447 if (err < QLC_83XX_MINIMUM_VECTOR)
448 return err;
449 err -= (adapter->max_drv_tx_rings + 1);
450 num_msix = rounddown_pow_of_two(err);
451 num_msix += (adapter->max_drv_tx_rings + 1);
452 } else {
453 num_msix = rounddown_pow_of_two(err);
454 }
455
456 if (num_msix) {
457 dev_info(&pdev->dev,
458 "Trying %d MSI-X interrupt vectors\n",
459 num_msix);
f94bc1e7 460 goto enable_msix;
13159183
SC		 461 }
462 } else {
463 dev_info(&pdev->dev, "Failed to get %d vectors\n",
464 num_msix);
f94bc1e7
SC		 465 }
466 }
13159183 467
f94bc1e7
SC		 468 return err;
469}
af19b491 470
9a97e705 471static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 472{
9a97e705 473 int err = 0;
15087c2b 474 u32 offset, mask_reg;
f94bc1e7 475 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 476 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 477 struct pci_dev *pdev = adapter->pdev;
af19b491 478
099f7aa7 479 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 480 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 481 offset = msi_tgt_status[adapter->ahw->pci_func];
482 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
483 offset);
af19b491
AKS		 484 dev_info(&pdev->dev, "using msi interrupts\n");
485 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 486 return err;
af19b491 487 }
9a97e705
M		 488 if (qlcnic_use_msi || qlcnic_use_msi_x)
489 return -EOPNOTSUPP;
af19b491 490
f94bc1e7 491 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 492 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 493 offset = legacy_intrp->tgt_status_reg;
494 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
495 mask_reg = legacy_intrp->tgt_mask_reg;
496 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
497 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
498 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 499 dev_info(&pdev->dev, "using legacy interrupts\n");
500 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 501 return err;
af19b491
AKS		 502}
503
7e2cf4fe 504int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 505{
9a97e705 506 int num_msix, err = 0;
f94bc1e7 507
7e2cf4fe
SC		 508 if (!num_intr)
509 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
510
511 if (adapter->ahw->msix_supported)
5f6ec29a 512 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 513 num_intr));
514 else
f94bc1e7
SC		 515 num_msix = 1;
516
7e2cf4fe
SC		 517 err = qlcnic_enable_msix(adapter, num_msix);
518 if (err == -ENOMEM || !err)
519 return err;
f94bc1e7 520
9a97e705
M		 521 err = qlcnic_enable_msi_legacy(adapter);
522 if (!err)
523 return err;
524
525 return -EIO;
f94bc1e7 526}
13159183 527
319ecf12 528void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 529{
530 if (adapter->flags & QLCNIC_MSIX_ENABLED)
531 pci_disable_msix(adapter->pdev);
532 if (adapter->flags & QLCNIC_MSI_ENABLED)
533 pci_disable_msi(adapter->pdev);
13159183
SC		 534
535 kfree(adapter->msix_entries);
536 adapter->msix_entries = NULL;
537
538 if (adapter->ahw->intr_tbl) {
539 vfree(adapter->ahw->intr_tbl);
540 adapter->ahw->intr_tbl = NULL;
541 }
af19b491
AKS		 542}
543
544static void
545qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
546{
b1fc6d3c
AC		 547 if (adapter->ahw->pci_base0 != NULL)
548 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 549}
550
7e2cf4fe
SC		 551static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
552{
553 struct qlcnic_pci_info *pci_info;
554 int ret;
555
556 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
557 switch (adapter->ahw->port_type) {
558 case QLCNIC_GBE:
559 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
560 break;
561 case QLCNIC_XGBE:
562 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
563 break;
564 }
565 return 0;
566 }
567
568 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
569 return 0;
570
571 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
572 if (!pci_info)
573 return -ENOMEM;
574
575 ret = qlcnic_get_pci_info(adapter, pci_info);
576 kfree(pci_info);
577 return ret;
578}
d71170fb
SC		 579
580int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 581{
e88db3bd 582 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 583 int i, ret = 0, j = 0;
584 u16 act_pci_func;
346fe763
RB		 585 u8 pfn;
586
e88db3bd
DC		 587 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
588 if (!pci_info)
589 return -ENOMEM;
590
bff57d8e
SC		 591 ret = qlcnic_get_pci_info(adapter, pci_info);
592 if (ret)
593 goto err_pci_info;
594
595 act_pci_func = adapter->ahw->act_pci_func;
596
ca315ac2 597 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 598 act_pci_func, GFP_KERNEL);
e88db3bd 599 if (!adapter->npars) {
900853a4 600 ret = -ENOMEM;
e88db3bd
DC		 601 goto err_pci_info;
602 }
346fe763 603
ca315ac2 604 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 605 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
606 if (!adapter->eswitch) {
900853a4 607 ret = -ENOMEM;
ca315ac2 608 goto err_npars;
346fe763
RB		 609 }
610
ca315ac2
DC		 611 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
612 pfn = pci_info[i].id;
bff57d8e 613
0f6efff9 614 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 615 ret = QL_STATUS_INVALID_PARAM;
616 goto err_eswitch;
617 }
bff57d8e
SC		 618
619 if (!pci_info[i].active ||
620 (pci_info[i].type != QLCNIC_TYPE_NIC))
621 continue;
622
623 adapter->npars[j].pci_func = pfn;
624 adapter->npars[j].active = (u8)pci_info[i].active;
625 adapter->npars[j].type = (u8)pci_info[i].type;
626 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
627 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
628 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
629 j++;
346fe763
RB		 630 }
631
13159183 632 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 633 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 634 if (qlcnic_83xx_check(adapter))
635 qlcnic_enable_eswitch(adapter, i, 1);
636 }
ca315ac2 637
e88db3bd 638 kfree(pci_info);
ca315ac2
DC		 639 return 0;
640
641err_eswitch:
346fe763
RB		 642 kfree(adapter->eswitch);
643 adapter->eswitch = NULL;
ca315ac2 644err_npars:
346fe763 645 kfree(adapter->npars);
ca315ac2 646 adapter->npars = NULL;
e88db3bd
DC		 647err_pci_info:
648 kfree(pci_info);
346fe763
RB		 649
650 return ret;
651}
652
2e9d722d
AC		 653static int
654qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
655{
656 u8 id;
2e9d722d
AC		 657 int i, ret = 1;
658 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 659 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 660
2e9d722d
AC		 661 ret = qlcnic_api_lock(adapter);
662 if (ret)
663 goto err_lock;
2e9d722d 664
0e33c664 665 if (qlcnic_config_npars) {
bff57d8e
SC		 666 for (i = 0; i < ahw->act_pci_func; i++) {
667 id = adapter->npars[i].pci_func;
668 if (id == ahw->pci_func)
0e33c664
AC		 669 continue;
670 data |= (qlcnic_config_npars &
671 QLC_DEV_SET_DRV(0xf, id));
672 }
673 } else {
a15ebd37 674 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 675 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 676 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 677 ahw->pci_func));
2e9d722d 678 }
a15ebd37 679 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 680 qlcnic_api_unlock(adapter);
681err_lock:
682 return ret;
683}
684
13159183
SC		 685static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
686 const struct pci_device_id *ent)
2e9d722d 687{
2e9d722d
AC		 688 u32 op_mode, priv_level;
689
690 /* Determine FW API version */
13159183
SC		 691 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
692 QLCNIC_FW_API);
2e9d722d
AC		 693
694 /* Find PCI function number */
13159183 695 qlcnic_get_func_no(adapter);
2e9d722d
AC		 696
697 /* Determine function privilege level */
13159183 698 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 699 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 700 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 701 else
b1fc6d3c 702 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 703
0866d96d 704 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 705 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 706 dev_info(&adapter->pdev->dev,
707 "HAL Version: %d Non Privileged function\n",
79788450 708 adapter->ahw->fw_hal_version);
9f26f547 709 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 710 } else
711 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 712}
713
15087c2b 714#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 715#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 716static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
717{
718 switch (dev_id) {
719 case PCI_DEVICE_ID_QLOGIC_QLE824X:
720 *bar = QLCNIC_82XX_BAR0_LENGTH;
721 break;
13159183
SC		 722 case PCI_DEVICE_ID_QLOGIC_QLE834X:
723 *bar = QLCNIC_83XX_BAR0_LENGTH;
724 break;
15087c2b
SC		 725 default:
726 *bar = 0;
727 }
728}
729
730static int qlcnic_setup_pci_map(struct pci_dev *pdev,
731 struct qlcnic_hardware_context *ahw)
af19b491 732{
15087c2b 733 u32 offset;
af19b491 734 void __iomem *mem_ptr0 = NULL;
15087c2b 735 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 736
af19b491 737 /* remap phys address */
af19b491
AKS		 738 mem_len = pci_resource_len(pdev, 0);
739
15087c2b
SC		 740 qlcnic_get_bar_length(pdev->device, &bar0_len);
741 if (mem_len >= bar0_len) {
af19b491
AKS		 742
743 mem_ptr0 = pci_ioremap_bar(pdev, 0);
744 if (mem_ptr0 == NULL) {
745 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
746 return -EIO;
747 }
748 pci_len0 = mem_len;
749 } else {
750 return -EIO;
751 }
752
753 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 754
15087c2b
SC		 755 ahw->pci_base0 = mem_ptr0;
756 ahw->pci_len0 = pci_len0;
757 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
758 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 759
760 return 0;
761}
762
22999798 763static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 764{
765 struct pci_dev *pdev = adapter->pdev;
766 int i, found = 0;
767
768 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
769 if (qlcnic_boards[i].vendor == pdev->vendor &&
770 qlcnic_boards[i].device == pdev->device &&
771 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
772 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 773 sprintf(name, "%pM: %s" ,
774 adapter->mac_addr,
775 qlcnic_boards[i].short_name);
af19b491
AKS		 776 found = 1;
777 break;
778 }
779
780 }
781
782 if (!found)
7f9a0c34 783 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 784}
785
786static void
787qlcnic_check_options(struct qlcnic_adapter *adapter)
788{
a15ebd37 789 int err;
031a4a26 790 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 791 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 792 struct qlcnic_hardware_context *ahw = adapter->ahw;
793 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 794
795 prev_fw_version = adapter->fw_version;
af19b491 796
a15ebd37
HM		 797 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
798 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
799 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 800
801 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
802
a15ebd37
HM		 803 err = qlcnic_get_board_info(adapter);
804 if (err) {
805 dev_err(&pdev->dev, "Error getting board config info.\n");
806 return;
807 }
808 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 809 if (fw_dump->tmpl_hdr == NULL ||
810 adapter->fw_version > prev_fw_version) {
811 if (fw_dump->tmpl_hdr)
812 vfree(fw_dump->tmpl_hdr);
813 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
814 dev_info(&pdev->dev,
815 "Supports FW dump capability\n");
816 }
817 }
818
13159183
SC		 819 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
820 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
821
b1fc6d3c 822 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 823 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
824 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
825 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
826 } else {
827 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
828 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
829 }
830
af19b491 831 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 832 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
833
b1fc6d3c 834 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 835 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
836 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 837 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
838 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 839 }
840
099f7aa7 841 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 842
843 adapter->num_txd = MAX_CMD_DESCRIPTORS;
844
251b036a 845 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 846}
847
174240a8
RB		 848static int
849qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
850{
851 int err;
852 struct qlcnic_info nic_info;
853
bff57d8e 854 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 855 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 856 if (err)
857 return err;
858
79788450
SC		 859 adapter->ahw->physical_port = (u8)nic_info.phys_port;
860 adapter->ahw->switch_mode = nic_info.switch_mode;
861 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
862 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
863 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 864
865 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
866 u32 temp;
867 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
868 adapter->ahw->capabilities2 = temp;
869 }
79788450
SC		 870 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
871 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 872
13159183
SC		 873 /* Disable NPAR for 83XX */
874 if (qlcnic_83xx_check(adapter))
875 return err;
876
79788450 877 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 878 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
879 else
880 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
881
882 return err;
883}
884
ec079a07
SC		 885void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
886 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 887{
888 if (esw_cfg->discard_tagged)
889 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
890 else
891 adapter->flags |= QLCNIC_TAGGING_ENABLED;
892
893 if (esw_cfg->vlan_id)
894 adapter->pvid = esw_cfg->vlan_id;
895 else
896 adapter->pvid = 0;
897}
898
8e586137 899static int
b9796a14
AC		 900qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
901{
902 struct qlcnic_adapter *adapter = netdev_priv(netdev);
903 set_bit(vid, adapter->vlans);
8e586137 904 return 0;
b9796a14
AC		 905}
906
8e586137 907static int
b9796a14
AC		 908qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
909{
910 struct qlcnic_adapter *adapter = netdev_priv(netdev);
911
912 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
913 clear_bit(vid, adapter->vlans);
8e586137 914 return 0;
b9796a14
AC		 915}
916
ec079a07
SC		 917void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
918 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 919{
ee07c1a7
RB		 920 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
921 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 922
923 if (esw_cfg->mac_anti_spoof)
924 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 925
7373373d
RB		 926 if (!esw_cfg->mac_override)
927 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
928
ee07c1a7
RB		 929 if (!esw_cfg->promisc_mode)
930 adapter->flags |= QLCNIC_PROMISC_DISABLED;
931
0325d69b
RB		 932 qlcnic_set_netdev_features(adapter, esw_cfg);
933}
934
d71170fb 935int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 936{
937 struct qlcnic_esw_func_cfg esw_cfg;
938
939 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
940 return 0;
941
b1fc6d3c 942 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 943 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
944 return -EIO;
8cf61f89 945 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 946 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
947
948 return 0;
949}
950
951static void
952qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
953 struct qlcnic_esw_func_cfg *esw_cfg)
954{
955 struct net_device *netdev = adapter->netdev;
13159183
SC		 956 unsigned long features, vlan_features;
957
958 if (qlcnic_83xx_check(adapter))
959 return;
0325d69b 960
7e38d04b
SC		 961 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
962 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 963 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 964 NETIF_F_IPV6_CSUM);
0325d69b 965
13159183 966 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 967 features |= (NETIF_F_TSO | NETIF_F_TSO6);
968 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
969 }
b56421d0
RB		 970
971 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 972 features |= NETIF_F_LRO;
973
974 if (esw_cfg->offload_flags & BIT_0) {
975 netdev->features |= features;
13159183 976 adapter->rx_csum = 1;
7e38d04b 977 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 978 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 979 features &= ~NETIF_F_TSO;
980 }
981 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 982 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 983 features &= ~NETIF_F_TSO6;
984 }
0325d69b
RB		 985 } else {
986 netdev->features &= ~features;
7e38d04b 987 features &= ~features;
13159183 988 adapter->rx_csum = 0;
0325d69b
RB		 989 }
990
991 netdev->vlan_features = (features & vlan_features);
992}
993
0866d96d
AC		 994static int
995qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
996{
0866d96d
AC		 997 u32 op_mode, priv_level;
998 int err = 0;
999
174240a8
RB		 1000 err = qlcnic_initialize_nic(adapter);
1001 if (err)
1002 return err;
1003
0866d96d
AC		 1004 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1005 return 0;
1006
13159183 1007 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1008 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1009
1010 if (op_mode == QLC_DEV_DRV_DEFAULT)
1011 priv_level = QLCNIC_MGMT_FUNC;
1012 else
b1fc6d3c 1013 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1014
174240a8 1015 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1016 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1017 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1018 err = qlcnic_init_pci_info(adapter);
1019 if (err)
1020 return err;
1021 /* Set privilege level for other functions */
1022 qlcnic_set_function_modes(adapter);
1023 dev_info(&adapter->pdev->dev,
1024 "HAL Version: %d, Management function\n",
79788450 1025 adapter->ahw->fw_hal_version);
0866d96d 1026 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1027 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1028 dev_info(&adapter->pdev->dev,
1029 "HAL Version: %d, Privileged function\n",
79788450 1030 adapter->ahw->fw_hal_version);
0866d96d 1031 }
174240a8 1032 }
0866d96d
AC		 1033
1034 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1035
1036 return err;
1037}
1038
d71170fb 1039int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1040{
1041 struct qlcnic_esw_func_cfg esw_cfg;
1042 struct qlcnic_npar_info *npar;
1043 u8 i;
1044
174240a8 1045 if (adapter->need_fw_reset)
0325d69b
RB		 1046 return 0;
1047
bff57d8e 1048 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1049 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1050 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1051 esw_cfg.mac_override = BIT_0;
ee07c1a7 1052 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1053 if (qlcnic_82xx_check(adapter)) {
1054 esw_cfg.offload_flags = BIT_0;
1055 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1056 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1057 }
0325d69b
RB		 1058 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1059 return -EIO;
1060 npar = &adapter->npars[i];
1061 npar->pvid = esw_cfg.vlan_id;
7373373d 1062 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1063 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1064 npar->discard_tagged = esw_cfg.discard_tagged;
1065 npar->promisc_mode = esw_cfg.promisc_mode;
1066 npar->offload_flags = esw_cfg.offload_flags;
1067 }
1068
1069 return 0;
1070}
1071
13159183 1072
4e8acb01
RB		 1073static int
1074qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1075 struct qlcnic_npar_info *npar, int pci_func)
1076{
1077 struct qlcnic_esw_func_cfg esw_cfg;
1078 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1079 esw_cfg.pci_func = pci_func;
1080 esw_cfg.vlan_id = npar->pvid;
7373373d 1081 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1082 esw_cfg.discard_tagged = npar->discard_tagged;
1083 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1084 esw_cfg.offload_flags = npar->offload_flags;
1085 esw_cfg.promisc_mode = npar->promisc_mode;
1086 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1087 return -EIO;
1088
1089 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1090 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1091 return -EIO;
1092
1093 return 0;
1094}
1095
d71170fb 1096int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1097{
4e8acb01 1098 int i, err;
cea8975e
AC		 1099 struct qlcnic_npar_info *npar;
1100 struct qlcnic_info nic_info;
bff57d8e 1101 u8 pci_func;
cea8975e 1102
bff57d8e
SC		 1103 if (qlcnic_82xx_check(adapter))
1104 if (!adapter->need_fw_reset)
1105 return 0;
cea8975e 1106
4e8acb01 1107 /* Set the NPAR config data after FW reset */
bff57d8e 1108 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1109 npar = &adapter->npars[i];
bff57d8e
SC		 1110 pci_func = npar->pci_func;
1111 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1112 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1113 if (err)
1114 return err;
1115 nic_info.min_tx_bw = npar->min_bw;
1116 nic_info.max_tx_bw = npar->max_bw;
1117 err = qlcnic_set_nic_info(adapter, &nic_info);
1118 if (err)
1119 return err;
cea8975e 1120
4e8acb01
RB		 1121 if (npar->enable_pm) {
1122 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1123 npar->dest_npar, 1,
1124 pci_func);
4e8acb01
RB		 1125 if (err)
1126 return err;
cea8975e 1127 }
bff57d8e 1128 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1129 if (err)
1130 return err;
cea8975e 1131 }
4e8acb01 1132 return 0;
cea8975e
AC		 1133}
1134
78f84e1a
AKS		 1135static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1136{
1137 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1138 u32 npar_state;
1139
79788450 1140 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1141 return 0;
1142
a15ebd37
HM		 1143 npar_state = QLC_SHARED_REG_RD32(adapter,
1144 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1145 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1146 msleep(1000);
a15ebd37
HM		 1147 npar_state = QLC_SHARED_REG_RD32(adapter,
1148 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1149 }
1150 if (!npar_opt_timeo) {
1151 dev_err(&adapter->pdev->dev,
1152 "Waiting for NPAR state to opertional timeout\n");
1153 return -EIO;
1154 }
1155 return 0;
1156}
1157
174240a8
RB		 1158static int
1159qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1160{
1161 int err;
1162
1163 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1164 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1165 return 0;
1166
1167 err = qlcnic_set_default_offload_settings(adapter);
1168 if (err)
1169 return err;
1170
1171 err = qlcnic_reset_npar_config(adapter);
1172 if (err)
1173 return err;
1174
1175 qlcnic_dev_set_npar_ready(adapter);
1176
13159183
SC		 1177 if (qlcnic_83xx_check(adapter))
1178 qlcnic_83xx_register_nic_idc_func(adapter, 1);
174240a8
RB		 1179 return err;
1180}
1181
7e2cf4fe 1182int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1183{
d4066833 1184 int err;
af19b491 1185
aa5e18c0
SC		 1186 err = qlcnic_can_start_firmware(adapter);
1187 if (err < 0)
1188 return err;
1189 else if (!err)
d4066833 1190 goto check_fw_status;
af19b491 1191
099f7aa7 1192 if (qlcnic_load_fw_file)
4d5bdb38 1193 qlcnic_request_firmware(adapter);
8f891387 1194 else {
8cfdce08
SC		 1195 err = qlcnic_check_flash_fw_ver(adapter);
1196 if (err)
8f891387 1197 goto err_out;
1198
79788450 1199 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1200 }
af19b491
AKS		 1201
1202 err = qlcnic_need_fw_reset(adapter);
af19b491 1203 if (err == 0)
4e70812b 1204 goto check_fw_status;
af19b491 1205
d4066833
SC		 1206 err = qlcnic_pinit_from_rom(adapter);
1207 if (err)
1208 goto err_out;
af19b491
AKS		 1209
1210 err = qlcnic_load_firmware(adapter);
1211 if (err)
1212 goto err_out;
1213
1214 qlcnic_release_firmware(adapter);
d4066833 1215 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1216
d4066833
SC		 1217check_fw_status:
1218 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1219 if (err)
1220 goto err_out;
1221
a15ebd37 1222 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1223 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1224 err = qlcnic_check_eswitch_mode(adapter);
1225 if (err) {
1226 dev_err(&adapter->pdev->dev,
1227 "Memory allocation failed for eswitch\n");
1228 goto err_out;
1229 }
174240a8
RB		 1230 err = qlcnic_set_mgmt_operations(adapter);
1231 if (err)
1232 goto err_out;
1233
1234 qlcnic_check_options(adapter);
af19b491
AKS		 1235 adapter->need_fw_reset = 0;
1236
a7fc948f
AKS		 1237 qlcnic_release_firmware(adapter);
1238 return 0;
af19b491
AKS		 1239
1240err_out:
a15ebd37 1241 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1242 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1243
af19b491
AKS		 1244 qlcnic_release_firmware(adapter);
1245 return err;
1246}
1247
1248static int
1249qlcnic_request_irq(struct qlcnic_adapter *adapter)
1250{
1251 irq_handler_t handler;
1252 struct qlcnic_host_sds_ring *sds_ring;
13159183 1253 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1254 int err, ring;
1255
1256 unsigned long flags = 0;
1257 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1258 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1259
79788450 1260 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1261 if (qlcnic_82xx_check(adapter))
1262 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1263 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1264 flags |= IRQF_SHARED;
1265
1266 } else {
1267 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1268 handler = qlcnic_msix_intr;
1269 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1270 handler = qlcnic_msi_intr;
1271 else {
1272 flags |= IRQF_SHARED;
1273 handler = qlcnic_intr;
1274 }
af19b491
AKS		 1275 }
1276 adapter->irq = netdev->irq;
1277
13159183
SC		 1278 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1279 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1280 sds_ring = &recv_ctx->sds_rings[ring];
1281 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1282 "%s[%d]", netdev->name, ring);
1283 err = request_irq(sds_ring->irq, handler, flags,
1284 sds_ring->name, sds_ring);
1285 if (err)
1286 return err;
1287 }
1288 if (qlcnic_83xx_check(adapter) &&
1289 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1290 handler = qlcnic_msix_tx_intr;
1291 for (ring = 0; ring < adapter->max_drv_tx_rings;
1292 ring++) {
1293 tx_ring = &adapter->tx_ring[ring];
1294 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1295 "%s[%d]", netdev->name,
1296 adapter->max_sds_rings + ring);
1297 err = request_irq(tx_ring->irq, handler, flags,
1298 tx_ring->name, tx_ring);
1299 if (err)
1300 return err;
1301 }
1302 }
af19b491 1303 }
af19b491
AKS		 1304 return 0;
1305}
1306
1307static void
1308qlcnic_free_irq(struct qlcnic_adapter *adapter)
1309{
1310 int ring;
1311 struct qlcnic_host_sds_ring *sds_ring;
13159183 1312 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1313
b1fc6d3c 1314 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1315
13159183
SC		 1316 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1317 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1318 sds_ring = &recv_ctx->sds_rings[ring];
1319 free_irq(sds_ring->irq, sds_ring);
1320 }
1321 if (qlcnic_83xx_check(adapter)) {
1322 for (ring = 0; ring < adapter->max_drv_tx_rings;
1323 ring++) {
1324 tx_ring = &adapter->tx_ring[ring];
1325 if (tx_ring->irq)
1326 free_irq(tx_ring->irq, tx_ring);
1327 }
1328 }
af19b491
AKS		 1329 }
1330}
1331
319ecf12 1332int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1333{
8a15ad1f 1334 int ring;
cae82d49
RB		 1335 u32 capab2;
1336
8a15ad1f
AKS		 1337 struct qlcnic_host_rds_ring *rds_ring;
1338
af19b491
AKS		 1339 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1340 return -EIO;
1341
8a15ad1f
AKS		 1342 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1343 return 0;
0325d69b
RB		 1344 if (qlcnic_set_eswitch_port_config(adapter))
1345 return -EIO;
8a15ad1f 1346
79788450 1347 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1348 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1349 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1350 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1351 }
1352
8a15ad1f
AKS		 1353 if (qlcnic_fw_create_ctx(adapter))
1354 return -EIO;
1355
1356 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1357 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1358 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1359 }
1360
af19b491
AKS		 1361 qlcnic_set_multi(netdev);
1362 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1363
b1fc6d3c 1364 adapter->ahw->linkup = 0;
af19b491
AKS		 1365
1366 if (adapter->max_sds_rings > 1)
1367 qlcnic_config_rss(adapter, 1);
1368
1369 qlcnic_config_intr_coalesce(adapter);
1370
24763d80 1371 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1372 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1373
1374 qlcnic_napi_enable(adapter);
1375
1376 qlcnic_linkevent_request(adapter, 1);
1377
79788450 1378 adapter->ahw->reset_context = 0;
af19b491
AKS		 1379 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1380 return 0;
1381}
1382
629263ac 1383int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1384{
1385 int err = 0;
1386
1387 rtnl_lock();
1388 if (netif_running(netdev))
1389 err = __qlcnic_up(adapter, netdev);
1390 rtnl_unlock();
1391
1392 return err;
1393}
1394
319ecf12 1395void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1396{
1397 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1398 return;
1399
1400 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1401 return;
1402
1403 smp_mb();
1404 spin_lock(&adapter->tx_clean_lock);
1405 netif_carrier_off(netdev);
1406 netif_tx_disable(netdev);
1407
1408 qlcnic_free_mac_list(adapter);
1409
b5e5492c
AKS		 1410 if (adapter->fhash.fnum)
1411 qlcnic_delete_lb_filters(adapter);
1412
af19b491
AKS		 1413 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1414
1415 qlcnic_napi_disable(adapter);
1416
8a15ad1f 1417 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1418 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1419
1420 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1421 qlcnic_release_tx_buffers(adapter);
1422 spin_unlock(&adapter->tx_clean_lock);
1423}
1424
1425/* Usage: During suspend and firmware recovery module */
1426
629263ac 1427void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1428{
1429 rtnl_lock();
1430 if (netif_running(netdev))
1431 __qlcnic_down(adapter, netdev);
1432 rtnl_unlock();
1433
1434}
1435
319ecf12 1436int
af19b491
AKS		 1437qlcnic_attach(struct qlcnic_adapter *adapter)
1438{
1439 struct net_device *netdev = adapter->netdev;
1440 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1441 int err;
af19b491
AKS		 1442
1443 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1444 return 0;
1445
af19b491
AKS		 1446 err = qlcnic_napi_add(adapter, netdev);
1447 if (err)
1448 return err;
1449
1450 err = qlcnic_alloc_sw_resources(adapter);
1451 if (err) {
1452 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1453 goto err_out_napi_del;
af19b491
AKS		 1454 }
1455
1456 err = qlcnic_alloc_hw_resources(adapter);
1457 if (err) {
1458 dev_err(&pdev->dev, "Error in setting hw resources\n");
1459 goto err_out_free_sw;
1460 }
1461
af19b491
AKS		 1462 err = qlcnic_request_irq(adapter);
1463 if (err) {
1464 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1465 goto err_out_free_hw;
af19b491
AKS		 1466 }
1467
af19b491
AKS		 1468 qlcnic_create_sysfs_entries(adapter);
1469
1470 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1471 return 0;
1472
8a15ad1f 1473err_out_free_hw:
af19b491
AKS		 1474 qlcnic_free_hw_resources(adapter);
1475err_out_free_sw:
1476 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1477err_out_napi_del:
1478 qlcnic_napi_del(adapter);
af19b491
AKS		 1479 return err;
1480}
1481
319ecf12 1482void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1483{
1484 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1485 return;
1486
1487 qlcnic_remove_sysfs_entries(adapter);
1488
1489 qlcnic_free_hw_resources(adapter);
1490 qlcnic_release_rx_buffers(adapter);
1491 qlcnic_free_irq(adapter);
1492 qlcnic_napi_del(adapter);
1493 qlcnic_free_sw_resources(adapter);
1494
1495 adapter->is_up = 0;
1496}
1497
7eb9855d
AKS		 1498void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1499{
1500 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1501 struct qlcnic_host_sds_ring *sds_ring;
1502 int ring;
1503
78ad3892 1504 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1505 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1506 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1507 sds_ring = &adapter->recv_ctx->sds_rings[ring];
13159183
SC		 1508 if (qlcnic_83xx_check(adapter))
1509 writel(1, sds_ring->crb_intr_mask);
1510 else
1511 qlcnic_disable_int(sds_ring);
cdaff185 1512 }
7eb9855d
AKS		 1513 }
1514
8a15ad1f
AKS		 1515 qlcnic_fw_destroy_ctx(adapter);
1516
7eb9855d
AKS		 1517 qlcnic_detach(adapter);
1518
79788450 1519 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1520 adapter->max_sds_rings = max_sds_rings;
1521
1522 if (qlcnic_attach(adapter))
34ce3626 1523 goto out;
7eb9855d
AKS		 1524
1525 if (netif_running(netdev))
1526 __qlcnic_up(adapter, netdev);
34ce3626 1527out:
7eb9855d
AKS		 1528 netif_device_attach(netdev);
1529}
1530
b1fc6d3c
AC		 1531static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1532{
1533 int err = 0;
b1fc6d3c
AC		 1534 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1535 GFP_KERNEL);
1536 if (!adapter->recv_ctx) {
b1fc6d3c 1537 err = -ENOMEM;
8816d009 1538 goto err_out;
b1fc6d3c 1539 }
8816d009
AC		 1540 /* Initialize interrupt coalesce parameters */
1541 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1542 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1543 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1544 /* clear stats */
1545 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1546err_out:
1547 return err;
1548}
1549
1550static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1551{
1552 kfree(adapter->recv_ctx);
1553 adapter->recv_ctx = NULL;
1554
18f2f616
AC		 1555 if (adapter->ahw->fw_dump.tmpl_hdr) {
1556 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1557 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1558 }
4be41e92 1559
81d0aeb0 1560 kfree(adapter->ahw->reset.buff);
4be41e92 1561 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1562}
1563
7eb9855d
AKS		 1564int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1565{
1566 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1567 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1568 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1569 int ring;
1570 int ret;
1571
1572 netif_device_detach(netdev);
1573
1574 if (netif_running(netdev))
1575 __qlcnic_down(adapter, netdev);
1576
1577 qlcnic_detach(adapter);
1578
1579 adapter->max_sds_rings = 1;
79788450 1580 adapter->ahw->diag_test = test;
4be41e92 1581 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1582
1583 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1584 if (ret) {
1585 netif_device_attach(netdev);
7eb9855d 1586 return ret;
34ce3626 1587 }
7eb9855d 1588
8a15ad1f
AKS		 1589 ret = qlcnic_fw_create_ctx(adapter);
1590 if (ret) {
1591 qlcnic_detach(adapter);
57e46248 1592 netif_device_attach(netdev);
8a15ad1f
AKS		 1593 return ret;
1594 }
1595
1596 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1597 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1598 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1599 }
1600
79788450 1601 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1602 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1603 sds_ring = &adapter->recv_ctx->sds_rings[ring];
7e38d04b
SC		 1604 if (qlcnic_82xx_check(adapter))
1605 qlcnic_enable_int(sds_ring);
1606 else
1607 qlcnic_83xx_enable_intr(adapter, sds_ring);
cdaff185 1608 }
7eb9855d 1609 }
22c8c934 1610
79788450 1611 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1612 adapter->ahw->loopback_state = 0;
1613 qlcnic_linkevent_request(adapter, 1);
1614 }
1615
78ad3892 1616 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1617
1618 return 0;
1619}
1620
68bf1c68
AKS		 1621/* Reset context in hardware only */
1622static int
1623qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1624{
1625 struct net_device *netdev = adapter->netdev;
1626
1627 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1628 return -EBUSY;
1629
1630 netif_device_detach(netdev);
1631
1632 qlcnic_down(adapter, netdev);
1633
1634 qlcnic_up(adapter, netdev);
1635
1636 netif_device_attach(netdev);
1637
1638 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1639 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1640 return 0;
1641}
1642
af19b491
AKS		 1643int
1644qlcnic_reset_context(struct qlcnic_adapter *adapter)
1645{
1646 int err = 0;
1647 struct net_device *netdev = adapter->netdev;
1648
1649 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1650 return -EBUSY;
1651
1652 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1653
1654 netif_device_detach(netdev);
1655
1656 if (netif_running(netdev))
1657 __qlcnic_down(adapter, netdev);
1658
1659 qlcnic_detach(adapter);
1660
1661 if (netif_running(netdev)) {
1662 err = qlcnic_attach(adapter);
1d5c88e3 1663 if (!err) {
34ce3626 1664 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1665 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1666 }
af19b491
AKS		 1667 }
1668
1669 netif_device_attach(netdev);
1670 }
1671
af19b491
AKS		 1672 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1673 return err;
1674}
1675
1676static int
5ad6ff9d
SC		 1677qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1678 int pci_using_dac)
af19b491
AKS		 1679{
1680 int err;
1681 struct pci_dev *pdev = adapter->pdev;
1682
13159183 1683 adapter->rx_csum = 1;
79788450 1684 adapter->ahw->mc_enabled = 0;
13159183 1685 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1686
1687 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1688 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1689
1690 qlcnic_change_mtu(netdev, netdev->mtu);
1691
1692 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1693
7e38d04b 1694 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1695 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1696 NETIF_F_HW_VLAN_RX);
1697 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1698 NETIF_F_IPV6_CSUM);
ac8d0c4f 1699
13159183
SC		 1700 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1701 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1702 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1703 }
af19b491 1704
13159183
SC		 1705 if (pci_using_dac) {
1706 netdev->features |= NETIF_F_HIGHDMA;
1707 netdev->vlan_features |= NETIF_F_HIGHDMA;
1708 }
af19b491 1709
13159183
SC		 1710 if (qlcnic_vlan_tx_check(adapter))
1711 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1712
13159183
SC		 1713 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1714 netdev->features |= NETIF_F_LRO;
135d84a9 1715
7e38d04b 1716 netdev->hw_features = netdev->features;
af19b491
AKS		 1717 netdev->irq = adapter->msix_entries[0].vector;
1718
af19b491
AKS		 1719 err = register_netdev(netdev);
1720 if (err) {
1721 dev_err(&pdev->dev, "failed to register net device\n");
1722 return err;
1723 }
1724
1725 return 0;
1726}
1727
5ad6ff9d 1728static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1729{
1730 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1731 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1732 *pci_using_dac = 1;
1733 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1734 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1735 *pci_using_dac = 0;
1736 else {
1737 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1738 return -EIO;
1739 }
1740
1741 return 0;
1742}
1743
4be41e92
SC		 1744void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1745{
1746 int ring;
1747 struct qlcnic_host_tx_ring *tx_ring;
1748
1749 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1750 tx_ring = &adapter->tx_ring[ring];
1751 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1752 vfree(tx_ring->cmd_buf_arr);
1753 tx_ring->cmd_buf_arr = NULL;
1754 }
1755 }
1756 if (adapter->tx_ring != NULL)
1757 kfree(adapter->tx_ring);
1758}
1759
1760int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1761 struct net_device *netdev)
1762{
b2adaca9 1763 int ring, vector, index;
4be41e92
SC		 1764 struct qlcnic_host_tx_ring *tx_ring;
1765 struct qlcnic_cmd_buffer *cmd_buf_arr;
1766
b2adaca9
JP		 1767 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1768 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1769 if (tx_ring == NULL)
4be41e92 1770 return -ENOMEM;
b2adaca9 1771
4be41e92
SC		 1772 adapter->tx_ring = tx_ring;
1773
1774 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1775 tx_ring = &adapter->tx_ring[ring];
1776 tx_ring->num_desc = adapter->num_txd;
1777 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1778 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1779 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1780 qlcnic_free_tx_rings(adapter);
1781 return -ENOMEM;
1782 }
1783 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1784 tx_ring->cmd_buf_arr = cmd_buf_arr;
1785 }
1786
1787 if (qlcnic_83xx_check(adapter)) {
1788 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1789 tx_ring = &adapter->tx_ring[ring];
1790 tx_ring->adapter = adapter;
1791 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1792 index = adapter->max_sds_rings + ring;
1793 vector = adapter->msix_entries[index].vector;
1794 tx_ring->irq = vector;
1795 }
1796 }
1797 }
1798 return 0;
1799}
1800
6bb58bb0 1801static int
af19b491
AKS		 1802qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1803{
1804 struct net_device *netdev = NULL;
1805 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1806 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1807 int err, pci_using_dac = -1;
c84e340a 1808 u32 capab2;
7bc48646 1809 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 1810
1811 err = pci_enable_device(pdev);
1812 if (err)
1813 return err;
1814
1815 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1816 err = -ENODEV;
1817 goto err_out_disable_pdev;
1818 }
1819
1bb09fb9
AKS		 1820 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1821 if (err)
1822 goto err_out_disable_pdev;
1823
af19b491
AKS		 1824 err = pci_request_regions(pdev, qlcnic_driver_name);
1825 if (err)
1826 goto err_out_disable_pdev;
1827
1828 pci_set_master(pdev);
451724c8 1829 pci_enable_pcie_error_reporting(pdev);
af19b491 1830
7e2cf4fe
SC		 1831 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1832 if (!ahw)
1833 goto err_out_free_res;
1834
1835 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1836 ahw->hw_ops = &qlcnic_hw_ops;
1837 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1838 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1839 qlcnic_83xx_register_map(ahw);
1840 } else {
1841 goto err_out_free_hw_res;
7e2cf4fe
SC		 1842 }
1843
1844 err = qlcnic_setup_pci_map(pdev, ahw);
1845 if (err)
1846 goto err_out_free_hw_res;
1847
af19b491
AKS		 1848 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1849 if (!netdev) {
af19b491 1850 err = -ENOMEM;
7e2cf4fe 1851 goto err_out_iounmap;
af19b491
AKS		 1852 }
1853
1854 SET_NETDEV_DEV(netdev, &pdev->dev);
1855
1856 adapter = netdev_priv(netdev);
1857 adapter->netdev = netdev;
1858 adapter->pdev = pdev;
13159183
SC		 1859 adapter->ahw = ahw;
1860
1861 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1862 if (adapter->qlcnic_wq == NULL) {
1863 dev_err(&pdev->dev, "Failed to create workqueue\n");
1864 goto err_out_free_netdev;
1865 }
af19b491 1866
2dfc9671
PST		 1867 err = qlcnic_alloc_adapter_resources(adapter);
1868 if (err)
b1fc6d3c
AC		 1869 goto err_out_free_netdev;
1870
1871 adapter->dev_rst_time = jiffies;
7e2cf4fe 1872 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1873 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1874 adapter->fdb_mac_learn = true;
1875 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1876 adapter->drv_mac_learn = true;
7e2cf4fe 1877 adapter->max_drv_tx_rings = 1;
af19b491 1878
b1fc6d3c
AC		 1879 rwlock_init(&adapter->ahw->crb_lock);
1880 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1881
1882 spin_lock_init(&adapter->tx_clean_lock);
1883 INIT_LIST_HEAD(&adapter->mac_list);
1884
7e2cf4fe 1885 if (qlcnic_82xx_check(adapter)) {
13159183 1886 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1887 adapter->portnum = adapter->ahw->pci_func;
1888 err = qlcnic_start_firmware(adapter);
1889 if (err) {
1890 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1891 goto err_out_free_hw;
1892 }
af19b491 1893
7e2cf4fe
SC		 1894 err = qlcnic_setup_idc_param(adapter);
1895 if (err)
1896 goto err_out_free_hw;
b0044bcf 1897
7e2cf4fe 1898 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1899 } else if (qlcnic_83xx_check(adapter)) {
1900 qlcnic_83xx_check_vf(adapter, ent);
1901 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1902 err = qlcnic_83xx_init(adapter);
1903 if (err) {
1904 dev_err(&pdev->dev, "%s: failed\n", __func__);
1905 goto err_out_free_hw;
1906 }
13159183
SC		 1907 } else {
1908 dev_err(&pdev->dev,
1909 "%s: failed. Please Reboot\n", __func__);
1910 goto err_out_free_hw;
a7fc948f 1911 }
af19b491 1912
da48e6c3
RB		 1913 if (qlcnic_read_mac_addr(adapter))
1914 dev_warn(&pdev->dev, "failed to read mac addr\n");
1915
1916 if (adapter->portnum == 0) {
22999798 1917 qlcnic_get_board_name(adapter, board_name);
13159183 1918
da48e6c3 1919 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1920 module_name(THIS_MODULE),
1921 board_name, adapter->ahw->revision_id);
da48e6c3 1922 }
7e2cf4fe 1923 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 1924 if (err) {
1925 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 1926 goto err_out_disable_msi;
9a97e705 1927 }
f94bc1e7 1928
13159183
SC		 1929 if (qlcnic_83xx_check(adapter)) {
1930 err = qlcnic_83xx_setup_mbx_intr(adapter);
1931 if (err)
1932 goto err_out_disable_msi;
1933 }
af19b491 1934
1bb09fb9 1935 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1936 if (err)
7e2cf4fe 1937 goto err_out_disable_mbx_intr;
af19b491 1938
c84e340a
SV		 1939 if (qlcnic_82xx_check(adapter)) {
1940 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1941 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1942 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1943 qlcnic_fw_cmd_set_drv_version(adapter);
1944 }
1945 }
1946
af19b491
AKS		 1947 pci_set_drvdata(pdev, adapter);
1948
97ee45eb
SC		 1949 if (qlcnic_82xx_check(adapter))
1950 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1951 FW_POLL_DELAY);
af19b491 1952
b1fc6d3c 1953 switch (adapter->ahw->port_type) {
af19b491
AKS		 1954 case QLCNIC_GBE:
1955 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1956 adapter->netdev->name);
1957 break;
1958 case QLCNIC_XGBE:
1959 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1960 adapter->netdev->name);
1961 break;
1962 }
1963
7e2cf4fe
SC		 1964 if (qlcnic_get_act_pci_func(adapter))
1965 goto err_out_disable_mbx_intr;
1966
fe1adc6b 1967 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 1968 qlcnic_alloc_lb_filters_mem(adapter);
1969
7e2cf4fe 1970 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1971
1972 return 0;
1973
7e2cf4fe 1974err_out_disable_mbx_intr:
13159183
SC		 1975 if (qlcnic_83xx_check(adapter)) {
1976 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1977 qlcnic_83xx_config_intrpt(adapter, 0);
1978 qlcnic_83xx_free_mbx_intr(adapter);
1979 }
7e2cf4fe 1980
af19b491
AKS		 1981err_out_disable_msi:
1982 qlcnic_teardown_intr(adapter);
7e2cf4fe 1983 qlcnic_cancel_idc_work(adapter);
21854f02 1984 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1985
b1fc6d3c
AC		 1986err_out_free_hw:
1987 qlcnic_free_adapter_resources(adapter);
1988
af19b491
AKS		 1989err_out_free_netdev:
1990 free_netdev(netdev);
1991
7e2cf4fe
SC		 1992err_out_iounmap:
1993 qlcnic_cleanup_pci_map(adapter);
1994
1995err_out_free_hw_res:
1996 kfree(ahw);
1997
af19b491
AKS		 1998err_out_free_res:
1999 pci_release_regions(pdev);
2000
2001err_out_disable_pdev:
2002 pci_set_drvdata(pdev, NULL);
2003 pci_disable_device(pdev);
2004 return err;
2005}
2006
6bb58bb0 2007static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2008{
2009 struct qlcnic_adapter *adapter;
2010 struct net_device *netdev;
13159183 2011 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2012
2013 adapter = pci_get_drvdata(pdev);
2014 if (adapter == NULL)
2015 return;
2016
2017 netdev = adapter->netdev;
2018
13159183
SC		 2019 qlcnic_cancel_idc_work(adapter);
2020 ahw = adapter->ahw;
af19b491
AKS		 2021
2022 unregister_netdev(netdev);
2023
13159183
SC		 2024 if (qlcnic_83xx_check(adapter)) {
2025 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2026 qlcnic_83xx_config_intrpt(adapter, 0);
2027 qlcnic_83xx_free_mbx_intr(adapter);
2028 }
2029
af19b491
AKS		 2030 qlcnic_detach(adapter);
2031
2e9d722d
AC		 2032 if (adapter->npars != NULL)
2033 kfree(adapter->npars);
2034 if (adapter->eswitch != NULL)
2035 kfree(adapter->eswitch);
2036
97ee45eb
SC		 2037 if (qlcnic_82xx_check(adapter))
2038 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2039
2040 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2041
b5e5492c
AKS		 2042 qlcnic_free_lb_filters_mem(adapter);
2043
af19b491
AKS		 2044 qlcnic_teardown_intr(adapter);
2045
13159183 2046 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 2047
2048 qlcnic_cleanup_pci_map(adapter);
2049
2050 qlcnic_release_firmware(adapter);
2051
451724c8 2052 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2053 pci_release_regions(pdev);
2054 pci_disable_device(pdev);
2055 pci_set_drvdata(pdev, NULL);
2056
13159183
SC		 2057 if (adapter->qlcnic_wq) {
2058 destroy_workqueue(adapter->qlcnic_wq);
2059 adapter->qlcnic_wq = NULL;
2060 }
b1fc6d3c 2061 qlcnic_free_adapter_resources(adapter);
13159183 2062 kfree(ahw);
af19b491
AKS		 2063 free_netdev(netdev);
2064}
2065static int __qlcnic_shutdown(struct pci_dev *pdev)
2066{
2067 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2068 struct net_device *netdev = adapter->netdev;
2069 int retval;
2070
2071 netif_device_detach(netdev);
2072
13159183 2073 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2074
2075 if (netif_running(netdev))
2076 qlcnic_down(adapter, netdev);
2077
97ee45eb
SC		 2078 if (qlcnic_82xx_check(adapter))
2079 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2080
2081 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2082
2083 retval = pci_save_state(pdev);
2084 if (retval)
2085 return retval;
97ee45eb
SC		 2086 if (qlcnic_82xx_check(adapter)) {
2087 if (qlcnic_wol_supported(adapter)) {
2088 pci_enable_wake(pdev, PCI_D3cold, 1);
2089 pci_enable_wake(pdev, PCI_D3hot, 1);
2090 }
af19b491
AKS		 2091 }
2092
2093 return 0;
2094}
2095
2096static void qlcnic_shutdown(struct pci_dev *pdev)
2097{
2098 if (__qlcnic_shutdown(pdev))
2099 return;
2100
2101 pci_disable_device(pdev);
2102}
2103
2104#ifdef CONFIG_PM
2105static int
2106qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2107{
2108 int retval;
2109
2110 retval = __qlcnic_shutdown(pdev);
2111 if (retval)
2112 return retval;
2113
2114 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2115 return 0;
2116}
2117
2118static int
2119qlcnic_resume(struct pci_dev *pdev)
2120{
2121 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2122 struct net_device *netdev = adapter->netdev;
2123 int err;
2124
2125 err = pci_enable_device(pdev);
2126 if (err)
2127 return err;
2128
2129 pci_set_power_state(pdev, PCI_D0);
2130 pci_set_master(pdev);
2131 pci_restore_state(pdev);
2132
13159183 2133 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2134 if (err) {
2135 dev_err(&pdev->dev, "failed to start firmware\n");
2136 return err;
2137 }
2138
2139 if (netif_running(netdev)) {
af19b491
AKS		 2140 err = qlcnic_up(adapter, netdev);
2141 if (err)
52486a3a 2142 goto done;
af19b491 2143
aec1e845 2144 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2145 }
52486a3a 2146done:
af19b491
AKS		 2147 netif_device_attach(netdev);
2148 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2149 return 0;
af19b491
AKS		 2150}
2151#endif
2152
2153static int qlcnic_open(struct net_device *netdev)
2154{
2155 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2156 int err;
2157
c55ad8e5
AKS		 2158 netif_carrier_off(netdev);
2159
af19b491
AKS		 2160 err = qlcnic_attach(adapter);
2161 if (err)
2162 return err;
2163
2164 err = __qlcnic_up(adapter, netdev);
2165 if (err)
2166 goto err_out;
2167
2168 netif_start_queue(netdev);
2169
2170 return 0;
2171
2172err_out:
2173 qlcnic_detach(adapter);
2174 return err;
2175}
2176
2177/*
2178 * qlcnic_close - Disables a network interface entry point
2179 */
2180static int qlcnic_close(struct net_device *netdev)
2181{
2182 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2183
2184 __qlcnic_down(adapter, netdev);
13159183
SC		 2185 if (qlcnic_83xx_check(adapter)) {
2186 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2187 cancel_delayed_work_sync(&adapter->idc_aen_work);
2188 }
2189
af19b491
AKS		 2190 return 0;
2191}
2192
e5dcf6dc 2193void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2194{
2195 void *head;
2196 int i;
13159183
SC		 2197 struct net_device *netdev = adapter->netdev;
2198 u32 filter_size = 0;
2199 u16 act_pci_func = 0;
b5e5492c 2200
e5dcf6dc 2201 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2202 return;
2203
13159183 2204 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c
AKS		 2205 spin_lock_init(&adapter->mac_learn_lock);
2206
13159183
SC		 2207 if (qlcnic_82xx_check(adapter)) {
2208 filter_size = QLCNIC_LB_MAX_FILTERS;
2209 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2210 } else {
2211 filter_size = QLC_83XX_LB_MAX_FILTERS;
2212 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2213 }
2214
2215 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2216 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2217
b5e5492c
AKS		 2218 if (!head)
2219 return;
2220
13159183 2221 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2222 adapter->fhash.fhead = head;
b5e5492c 2223
13159183
SC		 2224 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2225 act_pci_func, adapter->fhash.fmax);
2226
2227 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c
AKS		 2228 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2229}
2230
2231static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2232{
2233 if (adapter->fhash.fmax && adapter->fhash.fhead)
2234 kfree(adapter->fhash.fhead);
2235
2236 adapter->fhash.fhead = NULL;
2237 adapter->fhash.fmax = 0;
2238}
2239
629263ac 2240int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2241{
2242 struct net_device *netdev = adapter->netdev;
97ee45eb 2243 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2244 int rv = 0;
2245
13159183
SC		 2246 if (qlcnic_83xx_check(adapter))
2247 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2248
97ee45eb 2249 if (qlcnic_82xx_check(adapter))
a15ebd37 2250 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2251
2252 temp_state = qlcnic_get_temp_state(temp);
2253 temp_val = qlcnic_get_temp_val(temp);
2254
2255 if (temp_state == QLCNIC_TEMP_PANIC) {
2256 dev_err(&netdev->dev,
2257 "Device temperature %d degrees C exceeds"
2258 " maximum allowed. Hardware has been shut down.\n",
2259 temp_val);
2260 rv = 1;
2261 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2262 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2263 dev_err(&netdev->dev,
2264 "Device temperature %d degrees C "
2265 "exceeds operating range."
2266 " Immediate action needed.\n",
2267 temp_val);
2268 }
2269 } else {
79788450 2270 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2271 dev_info(&netdev->dev,
2272 "Device temperature is now %d degrees C"
2273 " in normal range.\n", temp_val);
2274 }
2275 }
79788450 2276 adapter->ahw->temp = temp_state;
af19b491
AKS		 2277 return rv;
2278}
2279
af19b491
AKS		 2280static void qlcnic_tx_timeout(struct net_device *netdev)
2281{
2282 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2283
2284 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2285 return;
2286
2287 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2288
2289 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2290 adapter->need_fw_reset = 1;
2291 else
79788450 2292 adapter->ahw->reset_context = 1;
af19b491
AKS		 2293}
2294
2295static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2296{
2297 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2298 struct net_device_stats *stats = &netdev->stats;
2299
af19b491
AKS		 2300 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2301 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2302 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2303 stats->tx_bytes = adapter->stats.txbytes;
2304 stats->rx_dropped = adapter->stats.rxdropped;
2305 stats->tx_dropped = adapter->stats.txdropped;
2306
2307 return stats;
2308}
2309
7e2cf4fe 2310irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2311{
af19b491
AKS		 2312 u32 status;
2313
2314 status = readl(adapter->isr_int_vec);
2315
79788450 2316 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2317 return IRQ_NONE;
2318
2319 /* check interrupt state machine, to be sure */
2320 status = readl(adapter->crb_int_state_reg);
2321 if (!ISR_LEGACY_INT_TRIGGERED(status))
2322 return IRQ_NONE;
2323
2324 writel(0xffffffff, adapter->tgt_status_reg);
2325 /* read twice to ensure write is flushed */
2326 readl(adapter->isr_int_vec);
2327 readl(adapter->isr_int_vec);
2328
7eb9855d
AKS		 2329 return IRQ_HANDLED;
2330}
2331
2332static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2333{
2334 struct qlcnic_host_sds_ring *sds_ring = data;
2335 struct qlcnic_adapter *adapter = sds_ring->adapter;
2336
2337 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2338 goto done;
2339 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2340 writel(0xffffffff, adapter->tgt_status_reg);
2341 goto done;
2342 }
2343
2344 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2345 return IRQ_NONE;
2346
2347done:
79788450 2348 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2349 qlcnic_enable_int(sds_ring);
2350 return IRQ_HANDLED;
2351}
2352
2353static irqreturn_t qlcnic_intr(int irq, void *data)
2354{
2355 struct qlcnic_host_sds_ring *sds_ring = data;
2356 struct qlcnic_adapter *adapter = sds_ring->adapter;
2357
2358 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2359 return IRQ_NONE;
2360
af19b491
AKS		 2361 napi_schedule(&sds_ring->napi);
2362
2363 return IRQ_HANDLED;
2364}
2365
2366static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2367{
2368 struct qlcnic_host_sds_ring *sds_ring = data;
2369 struct qlcnic_adapter *adapter = sds_ring->adapter;
2370
2371 /* clear interrupt */
2372 writel(0xffffffff, adapter->tgt_status_reg);
2373
2374 napi_schedule(&sds_ring->napi);
2375 return IRQ_HANDLED;
2376}
2377
2378static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2379{
2380 struct qlcnic_host_sds_ring *sds_ring = data;
2381
2382 napi_schedule(&sds_ring->napi);
2383 return IRQ_HANDLED;
2384}
2385
13159183
SC		 2386static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2387{
2388 struct qlcnic_host_tx_ring *tx_ring = data;
2389
2390 napi_schedule(&tx_ring->napi);
2391 return IRQ_HANDLED;
2392}
2393
af19b491
AKS		 2394#ifdef CONFIG_NET_POLL_CONTROLLER
2395static void qlcnic_poll_controller(struct net_device *netdev)
2396{
bf82791e
YL		 2397 int ring;
2398 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2399 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2400 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2401
af19b491 2402 disable_irq(adapter->irq);
bf82791e
YL		 2403 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2404 sds_ring = &recv_ctx->sds_rings[ring];
2405 qlcnic_intr(adapter->irq, sds_ring);
2406 }
af19b491
AKS		 2407 enable_irq(adapter->irq);
2408}
2409#endif
2410
6df900e9
SC		 2411static void
2412qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2413{
2414 u32 val;
2415
2416 val = adapter->portnum & 0xf;
2417 val |= encoding << 7;
2418 val |= (jiffies - adapter->dev_rst_time) << 8;
2419
a15ebd37 2420 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2421 adapter->dev_rst_time = jiffies;
2422}
2423
ade91f8e
AKS		 2424static int
2425qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2426{
2427 u32 val;
2428
2429 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2430 state != QLCNIC_DEV_NEED_QUISCENT);
2431
2432 if (qlcnic_api_lock(adapter))
ade91f8e 2433 return -EIO;
af19b491 2434
a15ebd37 2435 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2436
2437 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2438 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2439 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2440 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2441
a15ebd37 2442 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2443
2444 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2445
2446 return 0;
af19b491
AKS		 2447}
2448
1b95a839
AKS		 2449static int
2450qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2451{
2452 u32 val;
2453
2454 if (qlcnic_api_lock(adapter))
2455 return -EBUSY;
2456
a15ebd37 2457 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2458 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2459 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2460
2461 qlcnic_api_unlock(adapter);
2462
2463 return 0;
2464}
2465
af19b491 2466static void
21854f02 2467qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2468{
2469 u32 val;
2470
2471 if (qlcnic_api_lock(adapter))
2472 goto err;
2473
a15ebd37 2474 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2475 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2476 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2477
21854f02 2478 if (failed) {
a15ebd37
HM		 2479 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2480 QLCNIC_DEV_FAILED);
21854f02
AKS		 2481 dev_info(&adapter->pdev->dev,
2482 "Device state set to Failed. Please Reboot\n");
2483 } else if (!(val & 0x11111111))
a15ebd37
HM		 2484 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2485 QLCNIC_DEV_COLD);
af19b491 2486
a15ebd37 2487 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2488 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2489 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2490
2491 qlcnic_api_unlock(adapter);
2492err:
2493 adapter->fw_fail_cnt = 0;
032a13c7 2494 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2495 clear_bit(__QLCNIC_START_FW, &adapter->state);
2496 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2497}
2498
f73dfc50 2499/* Grab api lock, before checking state */
af19b491
AKS		 2500static int
2501qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2502{
602ca6f0 2503 int act, state, active_mask;
a15ebd37 2504 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2505
a15ebd37
HM		 2506 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2507 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2508
602ca6f0 2509 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2510 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2511 act = act & active_mask;
2512 }
2513
af19b491
AKS		 2514 if (((state & 0x11111111) == (act & 0x11111111)) ||
2515 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2516 return 0;
2517 else
2518 return 1;
2519}
2520
96f8118c
SC		 2521static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2522{
a15ebd37 2523 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2524
2525 if (val != QLCNIC_DRV_IDC_VER) {
2526 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2527 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2528 }
2529
2530 return 0;
2531}
2532
af19b491
AKS		 2533static int
2534qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2535{
2536 u32 val, prev_state;
aa5e18c0 2537 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2538 u8 portnum = adapter->portnum;
96f8118c 2539 u8 ret;
af19b491 2540
f73dfc50
AKS		 2541 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2542 return 1;
2543
af19b491
AKS		 2544 if (qlcnic_api_lock(adapter))
2545 return -1;
2546
a15ebd37 2547 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2548 if (!(val & (1 << (portnum * 4)))) {
2549 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2550 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2551 }
2552
a15ebd37 2553 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2554 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2555
2556 switch (prev_state) {
2557 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2558 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2559 QLCNIC_DEV_INITIALIZING);
2560 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2561 QLCNIC_DRV_IDC_VER);
6df900e9 2562 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2563 qlcnic_api_unlock(adapter);
2564 return 1;
2565
2566 case QLCNIC_DEV_READY:
96f8118c 2567 ret = qlcnic_check_idc_ver(adapter);
af19b491 2568 qlcnic_api_unlock(adapter);
96f8118c 2569 return ret;
af19b491
AKS		 2570
2571 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2572 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2573 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2574 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2575 break;
2576
2577 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2578 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2579 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2580 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2581 break;
2582
2583 case QLCNIC_DEV_FAILED:
a7fc948f 2584 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2585 qlcnic_api_unlock(adapter);
2586 return -1;
bbd8c6a4
AKS		 2587
2588 case QLCNIC_DEV_INITIALIZING:
2589 case QLCNIC_DEV_QUISCENT:
2590 break;
af19b491
AKS		 2591 }
2592
2593 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2594
2595 do {
af19b491 2596 msleep(1000);
a15ebd37 2597 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2598
2599 if (prev_state == QLCNIC_DEV_QUISCENT)
2600 continue;
2601 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2602
65b5b420
AKS		 2603 if (!dev_init_timeo) {
2604 dev_err(&adapter->pdev->dev,
2605 "Waiting for device to initialize timeout\n");
af19b491 2606 return -1;
65b5b420 2607 }
af19b491
AKS		 2608
2609 if (qlcnic_api_lock(adapter))
2610 return -1;
2611
a15ebd37 2612 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2613 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2614 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2615
96f8118c 2616 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2617 qlcnic_api_unlock(adapter);
2618
96f8118c 2619 return ret;
af19b491
AKS		 2620}
2621
2622static void
2623qlcnic_fwinit_work(struct work_struct *work)
2624{
2625 struct qlcnic_adapter *adapter = container_of(work,
2626 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2627 u32 dev_state = 0xf;
7b749ff4 2628 u32 val;
af19b491 2629
f73dfc50
AKS		 2630 if (qlcnic_api_lock(adapter))
2631 goto err_ret;
af19b491 2632
a15ebd37 2633 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2634 if (dev_state == QLCNIC_DEV_QUISCENT ||
2635 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2636 qlcnic_api_unlock(adapter);
2637 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2638 FW_POLL_DELAY * 2);
2639 return;
2640 }
2641
79788450 2642 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2643 qlcnic_api_unlock(adapter);
2644 goto wait_npar;
9f26f547
AC		 2645 }
2646
16e3cf73
SV		 2647 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2648 dev_state == QLCNIC_DEV_READY) {
2649 dev_info(&adapter->pdev->dev, "Detected state change from "
2650 "DEV_NEED_RESET, skipping ack check\n");
2651 goto skip_ack_check;
2652 }
2653
f73dfc50 2654 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2655 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2656 adapter->reset_ack_timeo);
2657 goto skip_ack_check;
2658 }
2659
2660 if (!qlcnic_check_drv_state(adapter)) {
2661skip_ack_check:
a15ebd37 2662 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2663
f73dfc50 2664 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2665 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2666 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2667 set_bit(__QLCNIC_START_FW, &adapter->state);
2668 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2669 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2670 val = QLC_SHARED_REG_RD32(adapter,
2671 QLCNIC_CRB_DRV_STATE);
7b749ff4 2672 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2673 QLC_SHARED_REG_WR32(adapter,
2674 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2675 }
2676
f73dfc50
AKS		 2677 qlcnic_api_unlock(adapter);
2678
287e38aa 2679 rtnl_lock();
7b749ff4
SV		 2680 if (adapter->ahw->fw_dump.enable &&
2681 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2682 QLCDB(adapter, DRV, "Take FW dump\n");
2683 qlcnic_dump_fw(adapter);
032a13c7 2684 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2685 }
287e38aa 2686 rtnl_unlock();
7b749ff4
SV		 2687
2688 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2689 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2690 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2691 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2692 return;
2693 }
af19b491
AKS		 2694 goto err_ret;
2695 }
2696
f73dfc50 2697 qlcnic_api_unlock(adapter);
aa5e18c0 2698
9f26f547 2699wait_npar:
a15ebd37 2700 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2701 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2702
af19b491 2703 switch (dev_state) {
3c4b23b1 2704 case QLCNIC_DEV_READY:
7e2cf4fe 2705 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2706 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2707 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2708 return;
2709 }
3c4b23b1
AKS		 2710 case QLCNIC_DEV_FAILED:
2711 break;
2712 default:
2713 qlcnic_schedule_work(adapter,
2714 qlcnic_fwinit_work, FW_POLL_DELAY);
2715 return;
af19b491
AKS		 2716 }
2717
2718err_ret:
f73dfc50
AKS		 2719 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2720 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2721 netif_device_attach(adapter->netdev);
21854f02 2722 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2723}
2724
2725static void
2726qlcnic_detach_work(struct work_struct *work)
2727{
2728 struct qlcnic_adapter *adapter = container_of(work,
2729 struct qlcnic_adapter, fw_work.work);
2730 struct net_device *netdev = adapter->netdev;
2731 u32 status;
2732
2733 netif_device_detach(netdev);
2734
b8c17620
AKS		 2735 /* Dont grab rtnl lock during Quiscent mode */
2736 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2737 if (netif_running(netdev))
2738 __qlcnic_down(adapter, netdev);
2739 } else
2740 qlcnic_down(adapter, netdev);
af19b491 2741
a15ebd37 2742 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2743
44f65b29
SC		 2744 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2745 dev_err(&adapter->pdev->dev,
2746 "Detaching the device: peg halt status1=0x%x\n",
2747 status);
2748
2749 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2750 dev_err(&adapter->pdev->dev,
2751 "On board active cooling fan failed. "
2752 "Device has been halted.\n");
2753 dev_err(&adapter->pdev->dev,
2754 "Replace the adapter.\n");
2755 }
2756
af19b491 2757 goto err_ret;
44f65b29 2758 }
af19b491 2759
79788450 2760 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2761 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2762 adapter->ahw->temp);
af19b491 2763 goto err_ret;
44f65b29
SC		 2764 }
2765
602ca6f0
SV		 2766 /* Dont ack if this instance is the reset owner */
2767 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2768 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2769 dev_err(&adapter->pdev->dev,
2770 "Failed to set driver state,"
2771 "detaching the device.\n");
602ca6f0 2772 goto err_ret;
44f65b29 2773 }
602ca6f0 2774 }
af19b491
AKS		 2775
2776 adapter->fw_wait_cnt = 0;
2777
2778 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2779
2780 return;
2781
2782err_ret:
34ce3626 2783 netif_device_attach(netdev);
21854f02 2784 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2785}
2786
3c4b23b1
AKS		 2787/*Transit NPAR state to NON Operational */
2788static void
2789qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2790{
2791 u32 state;
2792
a15ebd37 2793 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2794 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2795 return;
2796
2797 if (qlcnic_api_lock(adapter))
2798 return;
a15ebd37
HM		 2799 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2800 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2801 qlcnic_api_unlock(adapter);
2802}
2803
7e2cf4fe 2804void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2805{
646779f1
SV		 2806 u32 state, xg_val = 0, gb_val = 0;
2807
2808 qlcnic_xg_set_xg0_mask(xg_val);
2809 qlcnic_xg_set_xg1_mask(xg_val);
2810 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2811 qlcnic_gb_set_gb0_mask(gb_val);
2812 qlcnic_gb_set_gb1_mask(gb_val);
2813 qlcnic_gb_set_gb2_mask(gb_val);
2814 qlcnic_gb_set_gb3_mask(gb_val);
2815 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2816 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2817 " on all ports\n");
cea8975e 2818 adapter->need_fw_reset = 1;
13159183 2819
af19b491
AKS		 2820 if (qlcnic_api_lock(adapter))
2821 return;
2822
13159183 2823 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2824
f73dfc50 2825 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2826 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2827 QLCNIC_DEV_NEED_RESET);
602ca6f0 2828 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2829 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2830 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2831 }
2832
13159183
SC		 2833 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2834 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2835 qlcnic_api_unlock(adapter);
2836}
2837
9f26f547
AC		 2838/* Transit to NPAR READY state from NPAR NOT READY state */
2839static void
2840qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2841{
9f26f547
AC		 2842 if (qlcnic_api_lock(adapter))
2843 return;
2844
a15ebd37
HM		 2845 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2846 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2847 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2848
2849 qlcnic_api_unlock(adapter);
2850}
2851
13159183
SC		 2852void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2853 work_func_t func, int delay)
af19b491 2854{
451724c8
SC		 2855 if (test_bit(__QLCNIC_AER, &adapter->state))
2856 return;
2857
af19b491 2858 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2859 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2860 round_jiffies_relative(delay));
af19b491
AKS		 2861}
2862
2863static void
2864qlcnic_attach_work(struct work_struct *work)
2865{
2866 struct qlcnic_adapter *adapter = container_of(work,
2867 struct qlcnic_adapter, fw_work.work);
2868 struct net_device *netdev = adapter->netdev;
b18971d1 2869 u32 npar_state;
af19b491 2870
79788450 2871 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2872 npar_state = QLC_SHARED_REG_RD32(adapter,
2873 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2874 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2875 qlcnic_clr_all_drv_state(adapter, 0);
2876 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2877 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2878 FW_POLL_DELAY);
2879 else
2880 goto attach;
2881 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2882 return;
2883 }
2884attach:
af19b491 2885 if (netif_running(netdev)) {
52486a3a 2886 if (qlcnic_up(adapter, netdev))
af19b491 2887 goto done;
af19b491 2888
aec1e845 2889 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2890 }
2891
af19b491 2892done:
34ce3626 2893 netif_device_attach(netdev);
af19b491 2894 adapter->fw_fail_cnt = 0;
032a13c7 2895 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2896 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2897
2898 if (!qlcnic_clr_drv_state(adapter))
2899 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2900 FW_POLL_DELAY);
af19b491
AKS		 2901}
2902
2903static int
2904qlcnic_check_health(struct qlcnic_adapter *adapter)
2905{
4e70812b 2906 u32 state = 0, heartbeat;
853d4bca 2907 u32 peg_status;
af19b491
AKS		 2908
2909 if (qlcnic_check_temp(adapter))
2910 goto detach;
2911
2372a5f1 2912 if (adapter->need_fw_reset)
7e2cf4fe 2913 qlcnic_dev_request_reset(adapter, 0);
af19b491 2914
a15ebd37 2915 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2916 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2917 qlcnic_set_npar_non_operational(adapter);
af19b491 2918 adapter->need_fw_reset = 1;
b8c17620
AKS		 2919 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2920 goto detach;
af19b491 2921
a15ebd37 2922 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2923 if (heartbeat != adapter->heartbeat) {
2924 adapter->heartbeat = heartbeat;
af19b491
AKS		 2925 adapter->fw_fail_cnt = 0;
2926 if (adapter->need_fw_reset)
2927 goto detach;
68bf1c68 2928
099f7aa7 2929 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2930 qlcnic_reset_hw_context(adapter);
2931 adapter->netdev->trans_start = jiffies;
2932 }
2933
af19b491
AKS		 2934 return 0;
2935 }
2936
2937 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2938 return 0;
2939
032a13c7
SV		 2940 adapter->flags |= QLCNIC_FW_HANG;
2941
7e2cf4fe 2942 qlcnic_dev_request_reset(adapter, 0);
af19b491 2943
099f7aa7 2944 if (qlcnic_auto_fw_reset)
0df170b6 2945 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2946
853d4bca 2947 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2948 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2949 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2950 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2951 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2952 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2953 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2954 peg_status,
2955 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2956 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2957 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2958 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2959 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2960 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2961 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2962 dev_err(&adapter->pdev->dev,
2963 "Firmware aborted with error code 0x00006700. "
2964 "Device is being reset.\n");
af19b491
AKS		 2965detach:
2966 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2967 QLCNIC_DEV_NEED_RESET;
2968
099f7aa7
SC		 2969 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2970 &adapter->state)) {
65b5b420 2971
af19b491 2972 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2973 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2974 }
af19b491
AKS		 2975
2976 return 1;
2977}
2978
2979static void
2980qlcnic_fw_poll_work(struct work_struct *work)
2981{
2982 struct qlcnic_adapter *adapter = container_of(work,
2983 struct qlcnic_adapter, fw_work.work);
2984
2985 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2986 goto reschedule;
2987
2988
2989 if (qlcnic_check_health(adapter))
2990 return;
2991
b5e5492c
AKS		 2992 if (adapter->fhash.fnum)
2993 qlcnic_prune_lb_filters(adapter);
2994
af19b491
AKS		 2995reschedule:
2996 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2997}
2998
451724c8
SC		 2999static int qlcnic_is_first_func(struct pci_dev *pdev)
3000{
3001 struct pci_dev *oth_pdev;
3002 int val = pdev->devfn;
3003
3004 while (val-- > 0) {
3005 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3006 (pdev->bus), pdev->bus->number,
3007 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3008 if (!oth_pdev)
3009 continue;
451724c8 3010
bfc978fa
AKS		 3011 if (oth_pdev->current_state != PCI_D3cold) {
3012 pci_dev_put(oth_pdev);
451724c8 3013 return 0;
bfc978fa
AKS		 3014 }
3015 pci_dev_put(oth_pdev);
451724c8
SC		 3016 }
3017 return 1;
3018}
3019
3020static int qlcnic_attach_func(struct pci_dev *pdev)
3021{
3022 int err, first_func;
3023 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3024 struct net_device *netdev = adapter->netdev;
3025
3026 pdev->error_state = pci_channel_io_normal;
3027
3028 err = pci_enable_device(pdev);
3029 if (err)
3030 return err;
3031
3032 pci_set_power_state(pdev, PCI_D0);
3033 pci_set_master(pdev);
3034 pci_restore_state(pdev);
3035
3036 first_func = qlcnic_is_first_func(pdev);
3037
3038 if (qlcnic_api_lock(adapter))
3039 return -EINVAL;
3040
79788450 3041 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3042 adapter->need_fw_reset = 1;
3043 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3044 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3045 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3046 QLCDB(adapter, DRV, "Restarting fw\n");
3047 }
3048 qlcnic_api_unlock(adapter);
3049
13159183 3050 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3051 if (err)
3052 return err;
3053
3054 qlcnic_clr_drv_state(adapter);
13159183
SC		 3055 kfree(adapter->msix_entries);
3056 adapter->msix_entries = NULL;
3057 err = qlcnic_setup_intr(adapter, 0);
3058
9a97e705
M		 3059 if (err) {
3060 kfree(adapter->msix_entries);
3061 netdev_err(netdev, "failed to setup interrupt\n");
3062 return err;
3063 }
3064
13159183
SC		 3065 if (qlcnic_83xx_check(adapter)) {
3066 err = qlcnic_83xx_setup_mbx_intr(adapter);
3067 if (err) {
3068 dev_err(&adapter->pdev->dev,
3069 "failed to setup mbx interrupt\n");
3070 qlcnic_clr_all_drv_state(adapter, 1);
3071 clear_bit(__QLCNIC_AER, &adapter->state);
3072 goto done;
3073 }
3074 }
451724c8
SC		 3075
3076 if (netif_running(netdev)) {
3077 err = qlcnic_attach(adapter);
3078 if (err) {
21854f02 3079 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3080 clear_bit(__QLCNIC_AER, &adapter->state);
3081 netif_device_attach(netdev);
3082 return err;
3083 }
3084
3085 err = qlcnic_up(adapter, netdev);
3086 if (err)
3087 goto done;
3088
aec1e845 3089 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3090 }
3091 done:
3092 netif_device_attach(netdev);
3093 return err;
3094}
3095
3096static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3097 pci_channel_state_t state)
3098{
3099 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3100 struct net_device *netdev = adapter->netdev;
3101
3102 if (state == pci_channel_io_perm_failure)
3103 return PCI_ERS_RESULT_DISCONNECT;
3104
3105 if (state == pci_channel_io_normal)
3106 return PCI_ERS_RESULT_RECOVERED;
3107
3108 set_bit(__QLCNIC_AER, &adapter->state);
3109 netif_device_detach(netdev);
3110
3111 cancel_delayed_work_sync(&adapter->fw_work);
3112
3113 if (netif_running(netdev))
3114 qlcnic_down(adapter, netdev);
3115
13159183
SC		 3116 if (qlcnic_83xx_check(adapter)) {
3117 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3118 qlcnic_83xx_config_intrpt(adapter, 0);
3119 qlcnic_83xx_free_mbx_intr(adapter);
3120 }
3121
451724c8
SC		 3122 qlcnic_detach(adapter);
3123 qlcnic_teardown_intr(adapter);
3124
3125 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3126
3127 pci_save_state(pdev);
3128 pci_disable_device(pdev);
3129
3130 return PCI_ERS_RESULT_NEED_RESET;
3131}
3132
3133static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3134{
3135 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3136 PCI_ERS_RESULT_RECOVERED;
3137}
3138
3139static void qlcnic_io_resume(struct pci_dev *pdev)
3140{
a15ebd37 3141 u32 state;
451724c8
SC		 3142 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3143
3144 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3145 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3146 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3147 &adapter->state))
451724c8
SC		 3148 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3149 FW_POLL_DELAY);
3150}
3151
87eb743b
AC		 3152static int
3153qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3154{
3155 int err;
3156
3157 err = qlcnic_can_start_firmware(adapter);
3158 if (err)
3159 return err;
3160
78f84e1a
AKS		 3161 err = qlcnic_check_npar_opertional(adapter);
3162 if (err)
3163 return err;
3c4b23b1 3164
174240a8
RB		 3165 err = qlcnic_initialize_nic(adapter);
3166 if (err)
3167 return err;
3168
87eb743b
AC		 3169 qlcnic_check_options(adapter);
3170
7373373d
RB		 3171 err = qlcnic_set_eswitch_port_config(adapter);
3172 if (err)
3173 return err;
3174
87eb743b
AC		 3175 adapter->need_fw_reset = 0;
3176
3177 return err;
3178}
3179
319ecf12 3180int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3181{
319ecf12
SC		 3182 u32 max_allowed;
3183
3184 if (max_hw > QLC_MAX_SDS_RINGS) {
3185 max_hw = QLC_MAX_SDS_RINGS;
3186 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3187 }
3188
319ecf12
SC		 3189 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3190 num_online_cpus()));
3191 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3192 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3193 max_allowed);
f94bc1e7
SC		 3194 return -EINVAL;
3195 }
3196 return 0;
f94bc1e7
SC		 3197}
3198
319ecf12 3199int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3200{
13159183 3201 int err;
f94bc1e7 3202 struct net_device *netdev = adapter->netdev;
f94bc1e7 3203
319ecf12
SC		 3204 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3205 return -EBUSY;
3206
f94bc1e7
SC		 3207 netif_device_detach(netdev);
3208 if (netif_running(netdev))
3209 __qlcnic_down(adapter, netdev);
13159183 3210
cdc84dda 3211 if (qlcnic_83xx_check(adapter)) {
13159183
SC		 3212 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3213 qlcnic_83xx_config_intrpt(adapter, 0);
3214 qlcnic_83xx_free_mbx_intr(adapter);
3215 }
3216
f94bc1e7
SC		 3217 qlcnic_detach(adapter);
3218 qlcnic_teardown_intr(adapter);
319ecf12 3219 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3220 if (err) {
3221 kfree(adapter->msix_entries);
3222 netdev_err(netdev, "failed to setup interrupt\n");
3223 return err;
3224 }
f94bc1e7 3225
13159183
SC		 3226 if (qlcnic_83xx_check(adapter)) {
3227 err = qlcnic_83xx_setup_mbx_intr(adapter);
3228 if (err) {
3229 dev_err(&adapter->pdev->dev,
3230 "failed to setup mbx interrupt\n");
3231 goto done;
3232 }
f94bc1e7
SC		 3233 }
3234
3235 if (netif_running(netdev)) {
3236 err = qlcnic_attach(adapter);
3237 if (err)
3238 goto done;
3239 err = __qlcnic_up(adapter, netdev);
3240 if (err)
3241 goto done;
3242 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3243 }
319ecf12 3244 err = len;
f94bc1e7
SC		 3245 done:
3246 netif_device_attach(netdev);
3247 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3248 return err;
3249}
3250
af19b491
AKS		 3251#ifdef CONFIG_INET
3252
3253#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3254
af19b491 3255static void
aec1e845
AKS		 3256qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3257 struct net_device *dev, unsigned long event)
af19b491
AKS		 3258{
3259 struct in_device *indev;
af19b491 3260
af19b491
AKS		 3261 indev = in_dev_get(dev);
3262 if (!indev)
3263 return;
3264
3265 for_ifa(indev) {
3266 switch (event) {
3267 case NETDEV_UP:
3268 qlcnic_config_ipaddr(adapter,
3269 ifa->ifa_address, QLCNIC_IP_UP);
3270 break;
3271 case NETDEV_DOWN:
3272 qlcnic_config_ipaddr(adapter,
3273 ifa->ifa_address, QLCNIC_IP_DOWN);
3274 break;
3275 default:
3276 break;
3277 }
3278 } endfor_ifa(indev);
3279
3280 in_dev_put(indev);
af19b491
AKS		 3281}
3282
319ecf12 3283void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3284{
3285 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3286 struct net_device *dev;
3287 u16 vid;
3288
3289 qlcnic_config_indev_addr(adapter, netdev, event);
3290
43c00a75 3291 rcu_read_lock();
b9796a14 3292 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3293 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3294 if (!dev)
3295 continue;
aec1e845
AKS		 3296 qlcnic_config_indev_addr(adapter, dev, event);
3297 }
43c00a75 3298 rcu_read_unlock();
aec1e845
AKS		 3299}
3300
af19b491
AKS		 3301static int qlcnic_netdev_event(struct notifier_block *this,
3302 unsigned long event, void *ptr)
3303{
3304 struct qlcnic_adapter *adapter;
3305 struct net_device *dev = (struct net_device *)ptr;
3306
3307recheck:
3308 if (dev == NULL)
3309 goto done;
3310
3311 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3312 dev = vlan_dev_real_dev(dev);
3313 goto recheck;
3314 }
3315
3316 if (!is_qlcnic_netdev(dev))
3317 goto done;
3318
3319 adapter = netdev_priv(dev);
3320
3321 if (!adapter)
3322 goto done;
3323
8a15ad1f 3324 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3325 goto done;
3326
aec1e845 3327 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3328done:
3329 return NOTIFY_DONE;
3330}
3331
3332static int
3333qlcnic_inetaddr_event(struct notifier_block *this,
3334 unsigned long event, void *ptr)
3335{
3336 struct qlcnic_adapter *adapter;
3337 struct net_device *dev;
3338
3339 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3340
3341 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3342
3343recheck:
aec1e845 3344 if (dev == NULL)
af19b491
AKS		 3345 goto done;
3346
3347 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3348 dev = vlan_dev_real_dev(dev);
3349 goto recheck;
3350 }
3351
3352 if (!is_qlcnic_netdev(dev))
3353 goto done;
3354
3355 adapter = netdev_priv(dev);
3356
251a84c9 3357 if (!adapter)
af19b491
AKS		 3358 goto done;
3359
8a15ad1f 3360 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3361 goto done;
3362
3363 switch (event) {
3364 case NETDEV_UP:
3365 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3366
af19b491
AKS		 3367 break;
3368 case NETDEV_DOWN:
3369 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3370
af19b491
AKS		 3371 break;
3372 default:
3373 break;
3374 }
3375
3376done:
3377 return NOTIFY_DONE;
3378}
3379
3380static struct notifier_block qlcnic_netdev_cb = {
3381 .notifier_call = qlcnic_netdev_event,
3382};
3383
3384static struct notifier_block qlcnic_inetaddr_cb = {
3385 .notifier_call = qlcnic_inetaddr_event,
3386};
3387#else
f8ca2b6f 3388void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3389{ }
3390#endif
fec9dd15 3391static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3392 .error_detected = qlcnic_io_error_detected,
3393 .slot_reset = qlcnic_io_slot_reset,
3394 .resume = qlcnic_io_resume,
3395};
af19b491
AKS		 3396
3397static struct pci_driver qlcnic_driver = {
3398 .name = qlcnic_driver_name,
3399 .id_table = qlcnic_pci_tbl,
3400 .probe = qlcnic_probe,
6bb58bb0 3401 .remove = qlcnic_remove,
af19b491
AKS		 3402#ifdef CONFIG_PM
3403 .suspend = qlcnic_suspend,
3404 .resume = qlcnic_resume,
3405#endif
451724c8
SC		 3406 .shutdown = qlcnic_shutdown,
3407 .err_handler = &qlcnic_err_handler
3408
af19b491
AKS		 3409};
3410
3411static int __init qlcnic_init_module(void)
3412{
0cf3a14c 3413 int ret;
af19b491
AKS		 3414
3415 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3416
3417#ifdef CONFIG_INET
3418 register_netdevice_notifier(&qlcnic_netdev_cb);
3419 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3420#endif
3421
0cf3a14c
AKS		 3422 ret = pci_register_driver(&qlcnic_driver);
3423 if (ret) {
3424#ifdef CONFIG_INET
3425 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3426 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3427#endif
3428 }
af19b491 3429
0cf3a14c 3430 return ret;
af19b491
AKS		 3431}
3432
3433module_init(qlcnic_init_module);
3434
3435static void __exit qlcnic_exit_module(void)
3436{
af19b491
AKS		 3437 pci_unregister_driver(&qlcnic_driver);
3438
3439#ifdef CONFIG_INET
3440 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3441 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3442#endif
3443}
3444
3445module_exit(qlcnic_exit_module);
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