projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
qlcnic: fix ping resumption to a VM after a live migration
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
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
1690be63
VY		 250static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
251 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 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,
dce056cb 458 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 459 num_msix);
f94bc1e7 460 goto enable_msix;
13159183
SC		 461 }
462 } else {
dce056cb
MC		 463 dev_info(&pdev->dev,
464 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 465 num_msix);
f94bc1e7
SC		 466 }
467 }
13159183 468
f94bc1e7
SC		 469 return err;
470}
af19b491 471
9a97e705 472static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 473{
9a97e705 474 int err = 0;
15087c2b 475 u32 offset, mask_reg;
f94bc1e7 476 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 477 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 478 struct pci_dev *pdev = adapter->pdev;
af19b491 479
099f7aa7 480 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 481 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 482 offset = msi_tgt_status[adapter->ahw->pci_func];
483 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
484 offset);
af19b491
AKS		 485 dev_info(&pdev->dev, "using msi interrupts\n");
486 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 487 return err;
af19b491 488 }
9a97e705
M		 489 if (qlcnic_use_msi || qlcnic_use_msi_x)
490 return -EOPNOTSUPP;
af19b491 491
f94bc1e7 492 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 493 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 494 offset = legacy_intrp->tgt_status_reg;
495 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
496 mask_reg = legacy_intrp->tgt_mask_reg;
497 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
498 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
499 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 500 dev_info(&pdev->dev, "using legacy interrupts\n");
501 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 502 return err;
af19b491
AKS		 503}
504
7e2cf4fe 505int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 506{
9a97e705 507 int num_msix, err = 0;
f94bc1e7 508
7e2cf4fe
SC		 509 if (!num_intr)
510 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
511
512 if (adapter->ahw->msix_supported)
5f6ec29a 513 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 514 num_intr));
515 else
f94bc1e7
SC		 516 num_msix = 1;
517
7e2cf4fe
SC		 518 err = qlcnic_enable_msix(adapter, num_msix);
519 if (err == -ENOMEM || !err)
520 return err;
f94bc1e7 521
9a97e705
M		 522 err = qlcnic_enable_msi_legacy(adapter);
523 if (!err)
524 return err;
525
526 return -EIO;
f94bc1e7 527}
13159183 528
319ecf12 529void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 530{
531 if (adapter->flags & QLCNIC_MSIX_ENABLED)
532 pci_disable_msix(adapter->pdev);
533 if (adapter->flags & QLCNIC_MSI_ENABLED)
534 pci_disable_msi(adapter->pdev);
13159183
SC		 535
536 kfree(adapter->msix_entries);
537 adapter->msix_entries = NULL;
538
539 if (adapter->ahw->intr_tbl) {
540 vfree(adapter->ahw->intr_tbl);
541 adapter->ahw->intr_tbl = NULL;
542 }
af19b491
AKS		 543}
544
545static void
546qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
547{
b1fc6d3c
AC		 548 if (adapter->ahw->pci_base0 != NULL)
549 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 550}
551
7e2cf4fe
SC		 552static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
553{
554 struct qlcnic_pci_info *pci_info;
555 int ret;
556
557 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
558 switch (adapter->ahw->port_type) {
559 case QLCNIC_GBE:
560 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
561 break;
562 case QLCNIC_XGBE:
563 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
564 break;
565 }
566 return 0;
567 }
568
569 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
570 return 0;
571
572 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
573 if (!pci_info)
574 return -ENOMEM;
575
576 ret = qlcnic_get_pci_info(adapter, pci_info);
577 kfree(pci_info);
578 return ret;
579}
d71170fb
SC		 580
581int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 582{
e88db3bd 583 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 584 int i, ret = 0, j = 0;
585 u16 act_pci_func;
346fe763
RB		 586 u8 pfn;
587
e88db3bd
DC		 588 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
589 if (!pci_info)
590 return -ENOMEM;
591
bff57d8e
SC		 592 ret = qlcnic_get_pci_info(adapter, pci_info);
593 if (ret)
594 goto err_pci_info;
595
596 act_pci_func = adapter->ahw->act_pci_func;
597
ca315ac2 598 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 599 act_pci_func, GFP_KERNEL);
e88db3bd 600 if (!adapter->npars) {
900853a4 601 ret = -ENOMEM;
e88db3bd
DC		 602 goto err_pci_info;
603 }
346fe763 604
ca315ac2 605 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 606 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
607 if (!adapter->eswitch) {
900853a4 608 ret = -ENOMEM;
ca315ac2 609 goto err_npars;
346fe763
RB		 610 }
611
ca315ac2
DC		 612 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
613 pfn = pci_info[i].id;
bff57d8e 614
0f6efff9 615 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 616 ret = QL_STATUS_INVALID_PARAM;
617 goto err_eswitch;
618 }
bff57d8e
SC		 619
620 if (!pci_info[i].active ||
621 (pci_info[i].type != QLCNIC_TYPE_NIC))
622 continue;
623
624 adapter->npars[j].pci_func = pfn;
625 adapter->npars[j].active = (u8)pci_info[i].active;
626 adapter->npars[j].type = (u8)pci_info[i].type;
627 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
628 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
629 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
630 j++;
346fe763
RB		 631 }
632
13159183 633 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 634 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 635 if (qlcnic_83xx_check(adapter))
636 qlcnic_enable_eswitch(adapter, i, 1);
637 }
ca315ac2 638
e88db3bd 639 kfree(pci_info);
ca315ac2
DC		 640 return 0;
641
642err_eswitch:
346fe763
RB		 643 kfree(adapter->eswitch);
644 adapter->eswitch = NULL;
ca315ac2 645err_npars:
346fe763 646 kfree(adapter->npars);
ca315ac2 647 adapter->npars = NULL;
e88db3bd
DC		 648err_pci_info:
649 kfree(pci_info);
346fe763
RB		 650
651 return ret;
652}
653
2e9d722d
AC		 654static int
655qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
656{
657 u8 id;
2e9d722d
AC		 658 int i, ret = 1;
659 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 660 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 661
2e9d722d
AC		 662 ret = qlcnic_api_lock(adapter);
663 if (ret)
664 goto err_lock;
2e9d722d 665
0e33c664 666 if (qlcnic_config_npars) {
bff57d8e
SC		 667 for (i = 0; i < ahw->act_pci_func; i++) {
668 id = adapter->npars[i].pci_func;
669 if (id == ahw->pci_func)
0e33c664
AC		 670 continue;
671 data |= (qlcnic_config_npars &
672 QLC_DEV_SET_DRV(0xf, id));
673 }
674 } else {
a15ebd37 675 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 676 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 677 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 678 ahw->pci_func));
2e9d722d 679 }
a15ebd37 680 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 681 qlcnic_api_unlock(adapter);
682err_lock:
683 return ret;
684}
685
13159183
SC		 686static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
687 const struct pci_device_id *ent)
2e9d722d 688{
2e9d722d
AC		 689 u32 op_mode, priv_level;
690
691 /* Determine FW API version */
13159183
SC		 692 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
693 QLCNIC_FW_API);
2e9d722d
AC		 694
695 /* Find PCI function number */
13159183 696 qlcnic_get_func_no(adapter);
2e9d722d
AC		 697
698 /* Determine function privilege level */
13159183 699 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 700 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 701 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 702 else
b1fc6d3c 703 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 704
0866d96d 705 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 706 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 707 dev_info(&adapter->pdev->dev,
708 "HAL Version: %d Non Privileged function\n",
79788450 709 adapter->ahw->fw_hal_version);
9f26f547 710 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 711 } else
712 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 713}
714
15087c2b 715#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 716#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 717static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
718{
719 switch (dev_id) {
720 case PCI_DEVICE_ID_QLOGIC_QLE824X:
721 *bar = QLCNIC_82XX_BAR0_LENGTH;
722 break;
13159183
SC		 723 case PCI_DEVICE_ID_QLOGIC_QLE834X:
724 *bar = QLCNIC_83XX_BAR0_LENGTH;
725 break;
15087c2b
SC		 726 default:
727 *bar = 0;
728 }
729}
730
731static int qlcnic_setup_pci_map(struct pci_dev *pdev,
732 struct qlcnic_hardware_context *ahw)
af19b491 733{
15087c2b 734 u32 offset;
af19b491 735 void __iomem *mem_ptr0 = NULL;
15087c2b 736 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 737
af19b491 738 /* remap phys address */
af19b491
AKS		 739 mem_len = pci_resource_len(pdev, 0);
740
15087c2b
SC		 741 qlcnic_get_bar_length(pdev->device, &bar0_len);
742 if (mem_len >= bar0_len) {
af19b491
AKS		 743
744 mem_ptr0 = pci_ioremap_bar(pdev, 0);
745 if (mem_ptr0 == NULL) {
746 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
747 return -EIO;
748 }
749 pci_len0 = mem_len;
750 } else {
751 return -EIO;
752 }
753
754 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 755
15087c2b
SC		 756 ahw->pci_base0 = mem_ptr0;
757 ahw->pci_len0 = pci_len0;
758 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
759 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 760
761 return 0;
762}
763
22999798 764static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 765{
766 struct pci_dev *pdev = adapter->pdev;
767 int i, found = 0;
768
769 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
770 if (qlcnic_boards[i].vendor == pdev->vendor &&
771 qlcnic_boards[i].device == pdev->device &&
772 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
773 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 774 sprintf(name, "%pM: %s" ,
775 adapter->mac_addr,
776 qlcnic_boards[i].short_name);
af19b491
AKS		 777 found = 1;
778 break;
779 }
780
781 }
782
783 if (!found)
7f9a0c34 784 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 785}
786
787static void
788qlcnic_check_options(struct qlcnic_adapter *adapter)
789{
a15ebd37 790 int err;
031a4a26 791 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 792 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 793 struct qlcnic_hardware_context *ahw = adapter->ahw;
794 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 795
796 prev_fw_version = adapter->fw_version;
af19b491 797
a15ebd37
HM		 798 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
799 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
800 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 801
802 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
803
a15ebd37
HM		 804 err = qlcnic_get_board_info(adapter);
805 if (err) {
806 dev_err(&pdev->dev, "Error getting board config info.\n");
807 return;
808 }
809 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 810 if (fw_dump->tmpl_hdr == NULL ||
811 adapter->fw_version > prev_fw_version) {
812 if (fw_dump->tmpl_hdr)
813 vfree(fw_dump->tmpl_hdr);
814 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
815 dev_info(&pdev->dev,
816 "Supports FW dump capability\n");
817 }
818 }
819
13159183
SC		 820 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
821 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
822
b1fc6d3c 823 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 824 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
825 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
826 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
827 } else {
828 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
829 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
830 }
831
af19b491 832 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 833 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
834
b1fc6d3c 835 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 836 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
837 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 838 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
839 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 840 }
841
099f7aa7 842 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 843
844 adapter->num_txd = MAX_CMD_DESCRIPTORS;
845
251b036a 846 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 847}
848
174240a8
RB		 849static int
850qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
851{
852 int err;
853 struct qlcnic_info nic_info;
854
bff57d8e 855 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 856 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 857 if (err)
858 return err;
859
79788450
SC		 860 adapter->ahw->physical_port = (u8)nic_info.phys_port;
861 adapter->ahw->switch_mode = nic_info.switch_mode;
862 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
863 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
864 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 865
866 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
867 u32 temp;
868 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
869 adapter->ahw->capabilities2 = temp;
870 }
79788450
SC		 871 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
872 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 873
13159183
SC		 874 /* Disable NPAR for 83XX */
875 if (qlcnic_83xx_check(adapter))
876 return err;
877
79788450 878 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 879 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
880 else
881 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
882
883 return err;
884}
885
ec079a07
SC		 886void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
887 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 888{
889 if (esw_cfg->discard_tagged)
890 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
891 else
892 adapter->flags |= QLCNIC_TAGGING_ENABLED;
893
894 if (esw_cfg->vlan_id)
895 adapter->pvid = esw_cfg->vlan_id;
896 else
897 adapter->pvid = 0;
898}
899
8e586137 900static int
b9796a14
AC		 901qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
902{
903 struct qlcnic_adapter *adapter = netdev_priv(netdev);
904 set_bit(vid, adapter->vlans);
8e586137 905 return 0;
b9796a14
AC		 906}
907
8e586137 908static int
b9796a14
AC		 909qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
910{
911 struct qlcnic_adapter *adapter = netdev_priv(netdev);
912
913 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
914 clear_bit(vid, adapter->vlans);
8e586137 915 return 0;
b9796a14
AC		 916}
917
ec079a07
SC		 918void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
919 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 920{
ee07c1a7
RB		 921 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
922 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 923
924 if (esw_cfg->mac_anti_spoof)
925 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 926
7373373d
RB		 927 if (!esw_cfg->mac_override)
928 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
929
ee07c1a7
RB		 930 if (!esw_cfg->promisc_mode)
931 adapter->flags |= QLCNIC_PROMISC_DISABLED;
932
0325d69b
RB		 933 qlcnic_set_netdev_features(adapter, esw_cfg);
934}
935
d71170fb 936int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 937{
938 struct qlcnic_esw_func_cfg esw_cfg;
939
940 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
941 return 0;
942
b1fc6d3c 943 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 944 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
945 return -EIO;
8cf61f89 946 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 947 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
948
949 return 0;
950}
951
952static void
953qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
954 struct qlcnic_esw_func_cfg *esw_cfg)
955{
956 struct net_device *netdev = adapter->netdev;
13159183
SC		 957 unsigned long features, vlan_features;
958
959 if (qlcnic_83xx_check(adapter))
960 return;
0325d69b 961
7e38d04b
SC		 962 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
963 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 964 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 965 NETIF_F_IPV6_CSUM);
0325d69b 966
13159183 967 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 968 features |= (NETIF_F_TSO | NETIF_F_TSO6);
969 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
970 }
b56421d0
RB		 971
972 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 973 features |= NETIF_F_LRO;
974
975 if (esw_cfg->offload_flags & BIT_0) {
976 netdev->features |= features;
13159183 977 adapter->rx_csum = 1;
7e38d04b 978 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 979 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 980 features &= ~NETIF_F_TSO;
981 }
982 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 983 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 984 features &= ~NETIF_F_TSO6;
985 }
0325d69b
RB		 986 } else {
987 netdev->features &= ~features;
7e38d04b 988 features &= ~features;
13159183 989 adapter->rx_csum = 0;
0325d69b
RB		 990 }
991
992 netdev->vlan_features = (features & vlan_features);
993}
994
0866d96d
AC		 995static int
996qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
997{
0866d96d
AC		 998 u32 op_mode, priv_level;
999 int err = 0;
1000
174240a8
RB		 1001 err = qlcnic_initialize_nic(adapter);
1002 if (err)
1003 return err;
1004
0866d96d
AC		 1005 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1006 return 0;
1007
13159183 1008 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1009 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1010
1011 if (op_mode == QLC_DEV_DRV_DEFAULT)
1012 priv_level = QLCNIC_MGMT_FUNC;
1013 else
b1fc6d3c 1014 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1015
174240a8 1016 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1017 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1018 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1019 err = qlcnic_init_pci_info(adapter);
1020 if (err)
1021 return err;
1022 /* Set privilege level for other functions */
1023 qlcnic_set_function_modes(adapter);
1024 dev_info(&adapter->pdev->dev,
1025 "HAL Version: %d, Management function\n",
79788450 1026 adapter->ahw->fw_hal_version);
0866d96d 1027 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1028 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1029 dev_info(&adapter->pdev->dev,
1030 "HAL Version: %d, Privileged function\n",
79788450 1031 adapter->ahw->fw_hal_version);
0866d96d 1032 }
174240a8 1033 }
0866d96d
AC		 1034
1035 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1036
1037 return err;
1038}
1039
d71170fb 1040int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1041{
1042 struct qlcnic_esw_func_cfg esw_cfg;
1043 struct qlcnic_npar_info *npar;
1044 u8 i;
1045
174240a8 1046 if (adapter->need_fw_reset)
0325d69b
RB		 1047 return 0;
1048
bff57d8e 1049 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1050 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1051 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1052 esw_cfg.mac_override = BIT_0;
ee07c1a7 1053 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1054 if (qlcnic_82xx_check(adapter)) {
1055 esw_cfg.offload_flags = BIT_0;
1056 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1057 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1058 }
0325d69b
RB		 1059 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1060 return -EIO;
1061 npar = &adapter->npars[i];
1062 npar->pvid = esw_cfg.vlan_id;
7373373d 1063 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1064 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1065 npar->discard_tagged = esw_cfg.discard_tagged;
1066 npar->promisc_mode = esw_cfg.promisc_mode;
1067 npar->offload_flags = esw_cfg.offload_flags;
1068 }
1069
1070 return 0;
1071}
1072
13159183 1073
4e8acb01
RB		 1074static int
1075qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1076 struct qlcnic_npar_info *npar, int pci_func)
1077{
1078 struct qlcnic_esw_func_cfg esw_cfg;
1079 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1080 esw_cfg.pci_func = pci_func;
1081 esw_cfg.vlan_id = npar->pvid;
7373373d 1082 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1083 esw_cfg.discard_tagged = npar->discard_tagged;
1084 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1085 esw_cfg.offload_flags = npar->offload_flags;
1086 esw_cfg.promisc_mode = npar->promisc_mode;
1087 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1088 return -EIO;
1089
1090 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1091 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1092 return -EIO;
1093
1094 return 0;
1095}
1096
d71170fb 1097int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1098{
4e8acb01 1099 int i, err;
cea8975e
AC		 1100 struct qlcnic_npar_info *npar;
1101 struct qlcnic_info nic_info;
bff57d8e 1102 u8 pci_func;
cea8975e 1103
bff57d8e
SC		 1104 if (qlcnic_82xx_check(adapter))
1105 if (!adapter->need_fw_reset)
1106 return 0;
cea8975e 1107
4e8acb01 1108 /* Set the NPAR config data after FW reset */
bff57d8e 1109 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1110 npar = &adapter->npars[i];
bff57d8e
SC		 1111 pci_func = npar->pci_func;
1112 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1113 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1114 if (err)
1115 return err;
1116 nic_info.min_tx_bw = npar->min_bw;
1117 nic_info.max_tx_bw = npar->max_bw;
1118 err = qlcnic_set_nic_info(adapter, &nic_info);
1119 if (err)
1120 return err;
cea8975e 1121
4e8acb01
RB		 1122 if (npar->enable_pm) {
1123 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1124 npar->dest_npar, 1,
1125 pci_func);
4e8acb01
RB		 1126 if (err)
1127 return err;
cea8975e 1128 }
bff57d8e 1129 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1130 if (err)
1131 return err;
cea8975e 1132 }
4e8acb01 1133 return 0;
cea8975e
AC		 1134}
1135
78f84e1a
AKS		 1136static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1137{
1138 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1139 u32 npar_state;
1140
79788450 1141 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1142 return 0;
1143
a15ebd37
HM		 1144 npar_state = QLC_SHARED_REG_RD32(adapter,
1145 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1146 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1147 msleep(1000);
a15ebd37
HM		 1148 npar_state = QLC_SHARED_REG_RD32(adapter,
1149 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1150 }
1151 if (!npar_opt_timeo) {
1152 dev_err(&adapter->pdev->dev,
1153 "Waiting for NPAR state to opertional timeout\n");
1154 return -EIO;
1155 }
1156 return 0;
1157}
1158
174240a8
RB		 1159static int
1160qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1161{
1162 int err;
1163
1164 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1165 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1166 return 0;
1167
1168 err = qlcnic_set_default_offload_settings(adapter);
1169 if (err)
1170 return err;
1171
1172 err = qlcnic_reset_npar_config(adapter);
1173 if (err)
1174 return err;
1175
1176 qlcnic_dev_set_npar_ready(adapter);
1177
1178 return err;
1179}
1180
7e2cf4fe 1181int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1182{
d4066833 1183 int err;
af19b491 1184
aa5e18c0
SC		 1185 err = qlcnic_can_start_firmware(adapter);
1186 if (err < 0)
1187 return err;
1188 else if (!err)
d4066833 1189 goto check_fw_status;
af19b491 1190
099f7aa7 1191 if (qlcnic_load_fw_file)
4d5bdb38 1192 qlcnic_request_firmware(adapter);
8f891387 1193 else {
8cfdce08
SC		 1194 err = qlcnic_check_flash_fw_ver(adapter);
1195 if (err)
8f891387 1196 goto err_out;
1197
79788450 1198 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1199 }
af19b491
AKS		 1200
1201 err = qlcnic_need_fw_reset(adapter);
af19b491 1202 if (err == 0)
4e70812b 1203 goto check_fw_status;
af19b491 1204
d4066833
SC		 1205 err = qlcnic_pinit_from_rom(adapter);
1206 if (err)
1207 goto err_out;
af19b491
AKS		 1208
1209 err = qlcnic_load_firmware(adapter);
1210 if (err)
1211 goto err_out;
1212
1213 qlcnic_release_firmware(adapter);
d4066833 1214 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1215
d4066833
SC		 1216check_fw_status:
1217 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1218 if (err)
1219 goto err_out;
1220
a15ebd37 1221 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1222 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1223 err = qlcnic_check_eswitch_mode(adapter);
1224 if (err) {
1225 dev_err(&adapter->pdev->dev,
1226 "Memory allocation failed for eswitch\n");
1227 goto err_out;
1228 }
174240a8
RB		 1229 err = qlcnic_set_mgmt_operations(adapter);
1230 if (err)
1231 goto err_out;
1232
1233 qlcnic_check_options(adapter);
af19b491
AKS		 1234 adapter->need_fw_reset = 0;
1235
a7fc948f
AKS		 1236 qlcnic_release_firmware(adapter);
1237 return 0;
af19b491
AKS		 1238
1239err_out:
a15ebd37 1240 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1241 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1242
af19b491
AKS		 1243 qlcnic_release_firmware(adapter);
1244 return err;
1245}
1246
1247static int
1248qlcnic_request_irq(struct qlcnic_adapter *adapter)
1249{
1250 irq_handler_t handler;
1251 struct qlcnic_host_sds_ring *sds_ring;
13159183 1252 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1253 int err, ring;
1254
1255 unsigned long flags = 0;
1256 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1257 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1258
79788450 1259 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1260 if (qlcnic_82xx_check(adapter))
1261 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1262 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1263 flags |= IRQF_SHARED;
1264
1265 } else {
1266 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1267 handler = qlcnic_msix_intr;
1268 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1269 handler = qlcnic_msi_intr;
1270 else {
1271 flags |= IRQF_SHARED;
ac166700
HM		 1272 if (qlcnic_82xx_check(adapter))
1273 handler = qlcnic_intr;
1274 else
1275 handler = qlcnic_83xx_intr;
7eb9855d 1276 }
af19b491
AKS		 1277 }
1278 adapter->irq = netdev->irq;
1279
13159183 1280 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1281 if (qlcnic_82xx_check(adapter) ||
1282 (qlcnic_83xx_check(adapter) &&
1283 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1284 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1285 sds_ring = &recv_ctx->sds_rings[ring];
1286 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1287 "%s[%d]", netdev->name, ring);
1288 err = request_irq(sds_ring->irq, handler, flags,
1289 sds_ring->name, sds_ring);
1290 if (err)
1291 return err;
1292 }
13159183
SC		 1293 }
1294 if (qlcnic_83xx_check(adapter) &&
1295 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1296 handler = qlcnic_msix_tx_intr;
1297 for (ring = 0; ring < adapter->max_drv_tx_rings;
1298 ring++) {
1299 tx_ring = &adapter->tx_ring[ring];
1300 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1301 "%s[%d]", netdev->name,
ac166700 1302 adapter->max_sds_rings + ring);
13159183
SC		 1303 err = request_irq(tx_ring->irq, handler, flags,
1304 tx_ring->name, tx_ring);
1305 if (err)
1306 return err;
1307 }
1308 }
af19b491 1309 }
af19b491
AKS		 1310 return 0;
1311}
1312
1313static void
1314qlcnic_free_irq(struct qlcnic_adapter *adapter)
1315{
1316 int ring;
1317 struct qlcnic_host_sds_ring *sds_ring;
13159183 1318 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1319
b1fc6d3c 1320 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1321
13159183 1322 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1323 if (qlcnic_82xx_check(adapter) ||
1324 (qlcnic_83xx_check(adapter) &&
1325 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1326 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1327 sds_ring = &recv_ctx->sds_rings[ring];
1328 free_irq(sds_ring->irq, sds_ring);
1329 }
13159183
SC		 1330 }
1331 if (qlcnic_83xx_check(adapter)) {
1332 for (ring = 0; ring < adapter->max_drv_tx_rings;
1333 ring++) {
1334 tx_ring = &adapter->tx_ring[ring];
1335 if (tx_ring->irq)
1336 free_irq(tx_ring->irq, tx_ring);
1337 }
1338 }
af19b491
AKS		 1339 }
1340}
1341
99e85879
SS		 1342static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1343{
1344 u32 capab = 0;
1345
1346 if (qlcnic_82xx_check(adapter)) {
1347 if (adapter->ahw->capabilities2 &
1348 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1349 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1350 } else {
1351 capab = adapter->ahw->capabilities;
1352 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1353 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1354 }
1355}
1356
319ecf12 1357int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1358{
8a15ad1f
AKS		 1359 int ring;
1360 struct qlcnic_host_rds_ring *rds_ring;
1361
af19b491
AKS		 1362 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1363 return -EIO;
1364
8a15ad1f
AKS		 1365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1366 return 0;
0325d69b
RB		 1367 if (qlcnic_set_eswitch_port_config(adapter))
1368 return -EIO;
99e85879 1369 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1370
8a15ad1f
AKS		 1371 if (qlcnic_fw_create_ctx(adapter))
1372 return -EIO;
1373
1374 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1375 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1376 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1377 }
1378
af19b491
AKS		 1379 qlcnic_set_multi(netdev);
1380 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1381
b1fc6d3c 1382 adapter->ahw->linkup = 0;
af19b491
AKS		 1383
1384 if (adapter->max_sds_rings > 1)
1385 qlcnic_config_rss(adapter, 1);
1386
1387 qlcnic_config_intr_coalesce(adapter);
1388
24763d80 1389 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1390 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1391
1392 qlcnic_napi_enable(adapter);
1393
1394 qlcnic_linkevent_request(adapter, 1);
1395
79788450 1396 adapter->ahw->reset_context = 0;
af19b491
AKS		 1397 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1398 return 0;
1399}
1400
629263ac 1401int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1402{
1403 int err = 0;
1404
1405 rtnl_lock();
1406 if (netif_running(netdev))
1407 err = __qlcnic_up(adapter, netdev);
1408 rtnl_unlock();
1409
1410 return err;
1411}
1412
319ecf12 1413void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1414{
1415 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1416 return;
1417
1418 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1419 return;
1420
1421 smp_mb();
1422 spin_lock(&adapter->tx_clean_lock);
1423 netif_carrier_off(netdev);
1424 netif_tx_disable(netdev);
1425
1426 qlcnic_free_mac_list(adapter);
1427
b5e5492c
AKS		 1428 if (adapter->fhash.fnum)
1429 qlcnic_delete_lb_filters(adapter);
1430
af19b491
AKS		 1431 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1432
1433 qlcnic_napi_disable(adapter);
1434
8a15ad1f 1435 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1436 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1437
1438 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1439 qlcnic_release_tx_buffers(adapter);
1440 spin_unlock(&adapter->tx_clean_lock);
1441}
1442
1443/* Usage: During suspend and firmware recovery module */
1444
629263ac 1445void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1446{
1447 rtnl_lock();
1448 if (netif_running(netdev))
1449 __qlcnic_down(adapter, netdev);
1450 rtnl_unlock();
1451
1452}
1453
319ecf12 1454int
af19b491
AKS		 1455qlcnic_attach(struct qlcnic_adapter *adapter)
1456{
1457 struct net_device *netdev = adapter->netdev;
1458 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1459 int err;
af19b491
AKS		 1460
1461 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1462 return 0;
1463
af19b491
AKS		 1464 err = qlcnic_napi_add(adapter, netdev);
1465 if (err)
1466 return err;
1467
1468 err = qlcnic_alloc_sw_resources(adapter);
1469 if (err) {
1470 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1471 goto err_out_napi_del;
af19b491
AKS		 1472 }
1473
1474 err = qlcnic_alloc_hw_resources(adapter);
1475 if (err) {
1476 dev_err(&pdev->dev, "Error in setting hw resources\n");
1477 goto err_out_free_sw;
1478 }
1479
af19b491
AKS		 1480 err = qlcnic_request_irq(adapter);
1481 if (err) {
1482 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1483 goto err_out_free_hw;
af19b491
AKS		 1484 }
1485
af19b491
AKS		 1486 qlcnic_create_sysfs_entries(adapter);
1487
1488 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1489 return 0;
1490
8a15ad1f 1491err_out_free_hw:
af19b491
AKS		 1492 qlcnic_free_hw_resources(adapter);
1493err_out_free_sw:
1494 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1495err_out_napi_del:
1496 qlcnic_napi_del(adapter);
af19b491
AKS		 1497 return err;
1498}
1499
319ecf12 1500void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1501{
1502 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1503 return;
1504
1505 qlcnic_remove_sysfs_entries(adapter);
1506
1507 qlcnic_free_hw_resources(adapter);
1508 qlcnic_release_rx_buffers(adapter);
1509 qlcnic_free_irq(adapter);
1510 qlcnic_napi_del(adapter);
1511 qlcnic_free_sw_resources(adapter);
1512
1513 adapter->is_up = 0;
1514}
1515
7eb9855d
AKS		 1516void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1517{
1518 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1519 struct qlcnic_host_sds_ring *sds_ring;
1520 int ring;
1521
78ad3892 1522 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1523 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1524 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1525 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1526 qlcnic_disable_int(sds_ring);
cdaff185 1527 }
7eb9855d
AKS		 1528 }
1529
8a15ad1f
AKS		 1530 qlcnic_fw_destroy_ctx(adapter);
1531
7eb9855d
AKS		 1532 qlcnic_detach(adapter);
1533
79788450 1534 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1535 adapter->max_sds_rings = max_sds_rings;
1536
1537 if (qlcnic_attach(adapter))
34ce3626 1538 goto out;
7eb9855d
AKS		 1539
1540 if (netif_running(netdev))
1541 __qlcnic_up(adapter, netdev);
34ce3626 1542out:
7eb9855d
AKS		 1543 netif_device_attach(netdev);
1544}
1545
b1fc6d3c
AC		 1546static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1547{
1548 int err = 0;
b1fc6d3c
AC		 1549 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1550 GFP_KERNEL);
1551 if (!adapter->recv_ctx) {
b1fc6d3c 1552 err = -ENOMEM;
8816d009 1553 goto err_out;
b1fc6d3c 1554 }
8816d009
AC		 1555 /* Initialize interrupt coalesce parameters */
1556 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1557 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1558 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1559 /* clear stats */
1560 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1561err_out:
1562 return err;
1563}
1564
1565static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1566{
1567 kfree(adapter->recv_ctx);
1568 adapter->recv_ctx = NULL;
1569
18f2f616
AC		 1570 if (adapter->ahw->fw_dump.tmpl_hdr) {
1571 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1572 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1573 }
4be41e92 1574
81d0aeb0 1575 kfree(adapter->ahw->reset.buff);
4be41e92 1576 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1577}
1578
7eb9855d
AKS		 1579int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1580{
1581 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1582 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1583 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1584 int ring;
1585 int ret;
1586
1587 netif_device_detach(netdev);
1588
1589 if (netif_running(netdev))
1590 __qlcnic_down(adapter, netdev);
1591
1592 qlcnic_detach(adapter);
1593
1594 adapter->max_sds_rings = 1;
79788450 1595 adapter->ahw->diag_test = test;
4be41e92 1596 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1597
1598 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1599 if (ret) {
1600 netif_device_attach(netdev);
7eb9855d 1601 return ret;
34ce3626 1602 }
7eb9855d 1603
8a15ad1f
AKS		 1604 ret = qlcnic_fw_create_ctx(adapter);
1605 if (ret) {
1606 qlcnic_detach(adapter);
57e46248 1607 netif_device_attach(netdev);
8a15ad1f
AKS		 1608 return ret;
1609 }
1610
1611 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1612 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1613 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1614 }
1615
79788450 1616 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1617 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1618 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1619 qlcnic_enable_int(sds_ring);
cdaff185 1620 }
7eb9855d 1621 }
22c8c934 1622
79788450 1623 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1624 adapter->ahw->loopback_state = 0;
1625 qlcnic_linkevent_request(adapter, 1);
1626 }
1627
78ad3892 1628 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1629
1630 return 0;
1631}
1632
68bf1c68
AKS		 1633/* Reset context in hardware only */
1634static int
1635qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1636{
1637 struct net_device *netdev = adapter->netdev;
1638
1639 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1640 return -EBUSY;
1641
1642 netif_device_detach(netdev);
1643
1644 qlcnic_down(adapter, netdev);
1645
1646 qlcnic_up(adapter, netdev);
1647
1648 netif_device_attach(netdev);
1649
1650 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1651 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1652 return 0;
1653}
1654
af19b491
AKS		 1655int
1656qlcnic_reset_context(struct qlcnic_adapter *adapter)
1657{
1658 int err = 0;
1659 struct net_device *netdev = adapter->netdev;
1660
1661 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1662 return -EBUSY;
1663
1664 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1665
1666 netif_device_detach(netdev);
1667
1668 if (netif_running(netdev))
1669 __qlcnic_down(adapter, netdev);
1670
1671 qlcnic_detach(adapter);
1672
1673 if (netif_running(netdev)) {
1674 err = qlcnic_attach(adapter);
1d5c88e3 1675 if (!err) {
34ce3626 1676 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1677 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1678 }
af19b491
AKS		 1679 }
1680
1681 netif_device_attach(netdev);
1682 }
1683
af19b491
AKS		 1684 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1685 return err;
1686}
1687
1688static int
5ad6ff9d
SC		 1689qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1690 int pci_using_dac)
af19b491
AKS		 1691{
1692 int err;
1693 struct pci_dev *pdev = adapter->pdev;
1694
13159183 1695 adapter->rx_csum = 1;
79788450 1696 adapter->ahw->mc_enabled = 0;
13159183 1697 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1698
1699 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1700 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1701
1702 qlcnic_change_mtu(netdev, netdev->mtu);
1703
1704 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1705
7e38d04b 1706 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1707 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1708 NETIF_F_HW_VLAN_RX);
1709 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1710 NETIF_F_IPV6_CSUM);
ac8d0c4f 1711
13159183
SC		 1712 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1713 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1714 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1715 }
af19b491 1716
13159183
SC		 1717 if (pci_using_dac) {
1718 netdev->features |= NETIF_F_HIGHDMA;
1719 netdev->vlan_features |= NETIF_F_HIGHDMA;
1720 }
af19b491 1721
13159183
SC		 1722 if (qlcnic_vlan_tx_check(adapter))
1723 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1724
13159183
SC		 1725 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1726 netdev->features |= NETIF_F_LRO;
135d84a9 1727
7e38d04b 1728 netdev->hw_features = netdev->features;
af19b491
AKS		 1729 netdev->irq = adapter->msix_entries[0].vector;
1730
af19b491
AKS		 1731 err = register_netdev(netdev);
1732 if (err) {
1733 dev_err(&pdev->dev, "failed to register net device\n");
1734 return err;
1735 }
1736
1737 return 0;
1738}
1739
5ad6ff9d 1740static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1741{
1742 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1743 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1744 *pci_using_dac = 1;
1745 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1746 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1747 *pci_using_dac = 0;
1748 else {
1749 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1750 return -EIO;
1751 }
1752
1753 return 0;
1754}
1755
4be41e92
SC		 1756void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1757{
1758 int ring;
1759 struct qlcnic_host_tx_ring *tx_ring;
1760
1761 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1762 tx_ring = &adapter->tx_ring[ring];
1763 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1764 vfree(tx_ring->cmd_buf_arr);
1765 tx_ring->cmd_buf_arr = NULL;
1766 }
1767 }
1768 if (adapter->tx_ring != NULL)
1769 kfree(adapter->tx_ring);
1770}
1771
1772int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1773 struct net_device *netdev)
1774{
b2adaca9 1775 int ring, vector, index;
4be41e92
SC		 1776 struct qlcnic_host_tx_ring *tx_ring;
1777 struct qlcnic_cmd_buffer *cmd_buf_arr;
1778
b2adaca9
JP		 1779 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1780 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1781 if (tx_ring == NULL)
4be41e92 1782 return -ENOMEM;
b2adaca9 1783
4be41e92
SC		 1784 adapter->tx_ring = tx_ring;
1785
1786 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1787 tx_ring = &adapter->tx_ring[ring];
1788 tx_ring->num_desc = adapter->num_txd;
1789 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1790 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1791 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1792 qlcnic_free_tx_rings(adapter);
1793 return -ENOMEM;
1794 }
1795 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1796 tx_ring->cmd_buf_arr = cmd_buf_arr;
1797 }
1798
1799 if (qlcnic_83xx_check(adapter)) {
1800 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1801 tx_ring = &adapter->tx_ring[ring];
1802 tx_ring->adapter = adapter;
1803 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1804 index = adapter->max_sds_rings + ring;
1805 vector = adapter->msix_entries[index].vector;
1806 tx_ring->irq = vector;
1807 }
1808 }
1809 }
1810 return 0;
1811}
1812
6bb58bb0 1813static int
af19b491
AKS		 1814qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1815{
1816 struct net_device *netdev = NULL;
1817 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1818 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1819 int err, pci_using_dac = -1;
c84e340a 1820 u32 capab2;
7bc48646 1821 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 1822
1823 err = pci_enable_device(pdev);
1824 if (err)
1825 return err;
1826
1827 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1828 err = -ENODEV;
1829 goto err_out_disable_pdev;
1830 }
1831
1bb09fb9
AKS		 1832 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1833 if (err)
1834 goto err_out_disable_pdev;
1835
af19b491
AKS		 1836 err = pci_request_regions(pdev, qlcnic_driver_name);
1837 if (err)
1838 goto err_out_disable_pdev;
1839
1840 pci_set_master(pdev);
451724c8 1841 pci_enable_pcie_error_reporting(pdev);
af19b491 1842
7e2cf4fe
SC		 1843 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1844 if (!ahw)
1845 goto err_out_free_res;
1846
1847 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1848 ahw->hw_ops = &qlcnic_hw_ops;
1849 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1850 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1851 qlcnic_83xx_register_map(ahw);
1852 } else {
1853 goto err_out_free_hw_res;
7e2cf4fe
SC		 1854 }
1855
1856 err = qlcnic_setup_pci_map(pdev, ahw);
1857 if (err)
1858 goto err_out_free_hw_res;
1859
af19b491
AKS		 1860 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1861 if (!netdev) {
af19b491 1862 err = -ENOMEM;
7e2cf4fe 1863 goto err_out_iounmap;
af19b491
AKS		 1864 }
1865
1866 SET_NETDEV_DEV(netdev, &pdev->dev);
1867
1868 adapter = netdev_priv(netdev);
1869 adapter->netdev = netdev;
1870 adapter->pdev = pdev;
13159183
SC		 1871 adapter->ahw = ahw;
1872
1873 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1874 if (adapter->qlcnic_wq == NULL) {
1875 dev_err(&pdev->dev, "Failed to create workqueue\n");
1876 goto err_out_free_netdev;
1877 }
af19b491 1878
2dfc9671
PST		 1879 err = qlcnic_alloc_adapter_resources(adapter);
1880 if (err)
b1fc6d3c
AC		 1881 goto err_out_free_netdev;
1882
1883 adapter->dev_rst_time = jiffies;
7e2cf4fe 1884 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1885 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1886 adapter->fdb_mac_learn = true;
1887 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1888 adapter->drv_mac_learn = true;
7e2cf4fe 1889 adapter->max_drv_tx_rings = 1;
af19b491 1890
b1fc6d3c
AC		 1891 rwlock_init(&adapter->ahw->crb_lock);
1892 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1893
1894 spin_lock_init(&adapter->tx_clean_lock);
1895 INIT_LIST_HEAD(&adapter->mac_list);
1896
7e2cf4fe 1897 if (qlcnic_82xx_check(adapter)) {
13159183 1898 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1899 adapter->portnum = adapter->ahw->pci_func;
1900 err = qlcnic_start_firmware(adapter);
1901 if (err) {
1902 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1903 goto err_out_free_hw;
1904 }
af19b491 1905
7e2cf4fe
SC		 1906 err = qlcnic_setup_idc_param(adapter);
1907 if (err)
1908 goto err_out_free_hw;
b0044bcf 1909
7e2cf4fe 1910 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1911 } else if (qlcnic_83xx_check(adapter)) {
1912 qlcnic_83xx_check_vf(adapter, ent);
1913 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1914 err = qlcnic_83xx_init(adapter);
1915 if (err) {
1916 dev_err(&pdev->dev, "%s: failed\n", __func__);
1917 goto err_out_free_hw;
1918 }
13159183
SC		 1919 } else {
1920 dev_err(&pdev->dev,
1921 "%s: failed. Please Reboot\n", __func__);
1922 goto err_out_free_hw;
a7fc948f 1923 }
af19b491 1924
da48e6c3
RB		 1925 if (qlcnic_read_mac_addr(adapter))
1926 dev_warn(&pdev->dev, "failed to read mac addr\n");
1927
1928 if (adapter->portnum == 0) {
22999798 1929 qlcnic_get_board_name(adapter, board_name);
13159183 1930
da48e6c3 1931 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1932 module_name(THIS_MODULE),
1933 board_name, adapter->ahw->revision_id);
da48e6c3 1934 }
7e2cf4fe 1935 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 1936 if (err) {
1937 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 1938 goto err_out_disable_msi;
9a97e705 1939 }
f94bc1e7 1940
13159183
SC		 1941 if (qlcnic_83xx_check(adapter)) {
1942 err = qlcnic_83xx_setup_mbx_intr(adapter);
1943 if (err)
1944 goto err_out_disable_msi;
1945 }
af19b491 1946
1bb09fb9 1947 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1948 if (err)
7e2cf4fe 1949 goto err_out_disable_mbx_intr;
af19b491 1950
c84e340a
SV		 1951 if (qlcnic_82xx_check(adapter)) {
1952 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1953 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1954 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1955 qlcnic_fw_cmd_set_drv_version(adapter);
1956 }
1957 }
1958
af19b491
AKS		 1959 pci_set_drvdata(pdev, adapter);
1960
97ee45eb
SC		 1961 if (qlcnic_82xx_check(adapter))
1962 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1963 FW_POLL_DELAY);
af19b491 1964
b1fc6d3c 1965 switch (adapter->ahw->port_type) {
af19b491
AKS		 1966 case QLCNIC_GBE:
1967 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1968 adapter->netdev->name);
1969 break;
1970 case QLCNIC_XGBE:
1971 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1972 adapter->netdev->name);
1973 break;
1974 }
1975
7e2cf4fe
SC		 1976 if (qlcnic_get_act_pci_func(adapter))
1977 goto err_out_disable_mbx_intr;
1978
fe1adc6b 1979 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 1980 qlcnic_alloc_lb_filters_mem(adapter);
1981
7e2cf4fe 1982 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1983
1984 return 0;
1985
7e2cf4fe 1986err_out_disable_mbx_intr:
7dd90cf1 1987 if (qlcnic_83xx_check(adapter))
13159183 1988 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 1989
af19b491
AKS		 1990err_out_disable_msi:
1991 qlcnic_teardown_intr(adapter);
7e2cf4fe 1992 qlcnic_cancel_idc_work(adapter);
21854f02 1993 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1994
b1fc6d3c
AC		 1995err_out_free_hw:
1996 qlcnic_free_adapter_resources(adapter);
1997
af19b491
AKS		 1998err_out_free_netdev:
1999 free_netdev(netdev);
2000
7e2cf4fe
SC		 2001err_out_iounmap:
2002 qlcnic_cleanup_pci_map(adapter);
2003
2004err_out_free_hw_res:
2005 kfree(ahw);
2006
af19b491
AKS		 2007err_out_free_res:
2008 pci_release_regions(pdev);
2009
2010err_out_disable_pdev:
2011 pci_set_drvdata(pdev, NULL);
2012 pci_disable_device(pdev);
2013 return err;
2014}
2015
6bb58bb0 2016static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2017{
2018 struct qlcnic_adapter *adapter;
2019 struct net_device *netdev;
13159183 2020 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2021
2022 adapter = pci_get_drvdata(pdev);
2023 if (adapter == NULL)
2024 return;
2025
2026 netdev = adapter->netdev;
2027
13159183
SC		 2028 qlcnic_cancel_idc_work(adapter);
2029 ahw = adapter->ahw;
af19b491
AKS		 2030
2031 unregister_netdev(netdev);
2032
13159183 2033 if (qlcnic_83xx_check(adapter)) {
13159183 2034 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2035 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2036 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2037 }
2038
af19b491
AKS		 2039 qlcnic_detach(adapter);
2040
2e9d722d
AC		 2041 if (adapter->npars != NULL)
2042 kfree(adapter->npars);
2043 if (adapter->eswitch != NULL)
2044 kfree(adapter->eswitch);
2045
97ee45eb
SC		 2046 if (qlcnic_82xx_check(adapter))
2047 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2048
2049 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2050
b5e5492c
AKS		 2051 qlcnic_free_lb_filters_mem(adapter);
2052
af19b491
AKS		 2053 qlcnic_teardown_intr(adapter);
2054
13159183 2055 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 2056
2057 qlcnic_cleanup_pci_map(adapter);
2058
2059 qlcnic_release_firmware(adapter);
2060
451724c8 2061 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2062 pci_release_regions(pdev);
2063 pci_disable_device(pdev);
2064 pci_set_drvdata(pdev, NULL);
2065
13159183
SC		 2066 if (adapter->qlcnic_wq) {
2067 destroy_workqueue(adapter->qlcnic_wq);
2068 adapter->qlcnic_wq = NULL;
2069 }
b1fc6d3c 2070 qlcnic_free_adapter_resources(adapter);
13159183 2071 kfree(ahw);
af19b491
AKS		 2072 free_netdev(netdev);
2073}
2074static int __qlcnic_shutdown(struct pci_dev *pdev)
2075{
2076 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2077 struct net_device *netdev = adapter->netdev;
2078 int retval;
2079
2080 netif_device_detach(netdev);
2081
13159183 2082 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2083
2084 if (netif_running(netdev))
2085 qlcnic_down(adapter, netdev);
2086
97ee45eb
SC		 2087 if (qlcnic_82xx_check(adapter))
2088 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2089
2090 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2091
2092 retval = pci_save_state(pdev);
2093 if (retval)
2094 return retval;
97ee45eb
SC		 2095 if (qlcnic_82xx_check(adapter)) {
2096 if (qlcnic_wol_supported(adapter)) {
2097 pci_enable_wake(pdev, PCI_D3cold, 1);
2098 pci_enable_wake(pdev, PCI_D3hot, 1);
2099 }
af19b491
AKS		 2100 }
2101
2102 return 0;
2103}
2104
2105static void qlcnic_shutdown(struct pci_dev *pdev)
2106{
2107 if (__qlcnic_shutdown(pdev))
2108 return;
2109
2110 pci_disable_device(pdev);
2111}
2112
2113#ifdef CONFIG_PM
2114static int
2115qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2116{
2117 int retval;
2118
2119 retval = __qlcnic_shutdown(pdev);
2120 if (retval)
2121 return retval;
2122
2123 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2124 return 0;
2125}
2126
2127static int
2128qlcnic_resume(struct pci_dev *pdev)
2129{
2130 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2131 struct net_device *netdev = adapter->netdev;
2132 int err;
2133
2134 err = pci_enable_device(pdev);
2135 if (err)
2136 return err;
2137
2138 pci_set_power_state(pdev, PCI_D0);
2139 pci_set_master(pdev);
2140 pci_restore_state(pdev);
2141
13159183 2142 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2143 if (err) {
2144 dev_err(&pdev->dev, "failed to start firmware\n");
2145 return err;
2146 }
2147
2148 if (netif_running(netdev)) {
af19b491
AKS		 2149 err = qlcnic_up(adapter, netdev);
2150 if (err)
52486a3a 2151 goto done;
af19b491 2152
aec1e845 2153 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2154 }
52486a3a 2155done:
af19b491
AKS		 2156 netif_device_attach(netdev);
2157 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2158 return 0;
af19b491
AKS		 2159}
2160#endif
2161
2162static int qlcnic_open(struct net_device *netdev)
2163{
2164 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2165 int err;
2166
c55ad8e5
AKS		 2167 netif_carrier_off(netdev);
2168
af19b491
AKS		 2169 err = qlcnic_attach(adapter);
2170 if (err)
2171 return err;
2172
2173 err = __qlcnic_up(adapter, netdev);
2174 if (err)
2175 goto err_out;
2176
2177 netif_start_queue(netdev);
2178
2179 return 0;
2180
2181err_out:
2182 qlcnic_detach(adapter);
2183 return err;
2184}
2185
2186/*
2187 * qlcnic_close - Disables a network interface entry point
2188 */
2189static int qlcnic_close(struct net_device *netdev)
2190{
2191 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2192
2193 __qlcnic_down(adapter, netdev);
13159183 2194
af19b491
AKS		 2195 return 0;
2196}
2197
e5dcf6dc 2198void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2199{
2200 void *head;
2201 int i;
13159183
SC		 2202 struct net_device *netdev = adapter->netdev;
2203 u32 filter_size = 0;
2204 u16 act_pci_func = 0;
b5e5492c 2205
e5dcf6dc 2206 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2207 return;
2208
13159183 2209 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2210 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2211 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2212
13159183
SC		 2213 if (qlcnic_82xx_check(adapter)) {
2214 filter_size = QLCNIC_LB_MAX_FILTERS;
2215 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2216 } else {
2217 filter_size = QLC_83XX_LB_MAX_FILTERS;
2218 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2219 }
2220
2221 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2222 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2223
b5e5492c
AKS		 2224 if (!head)
2225 return;
2226
13159183 2227 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2228 adapter->fhash.fhead = head;
b5e5492c 2229
13159183
SC		 2230 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2231 act_pci_func, adapter->fhash.fmax);
2232
2233 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2234 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2235
2236 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2237
2238 head = kcalloc(adapter->rx_fhash.fbucket_size,
2239 sizeof(struct hlist_head), GFP_ATOMIC);
2240
2241 if (!head)
2242 return;
2243
2244 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2245 adapter->rx_fhash.fhead = head;
2246
2247 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2248 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2249}
2250
2251static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2252{
2253 if (adapter->fhash.fmax && adapter->fhash.fhead)
2254 kfree(adapter->fhash.fhead);
2255
2256 adapter->fhash.fhead = NULL;
2257 adapter->fhash.fmax = 0;
53643a75
SS		 2258
2259 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2260 kfree(adapter->rx_fhash.fhead);
2261
2262 adapter->rx_fhash.fmax = 0;
2263 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2264}
2265
629263ac 2266int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2267{
2268 struct net_device *netdev = adapter->netdev;
97ee45eb 2269 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2270 int rv = 0;
2271
13159183
SC		 2272 if (qlcnic_83xx_check(adapter))
2273 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2274
97ee45eb 2275 if (qlcnic_82xx_check(adapter))
a15ebd37 2276 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2277
2278 temp_state = qlcnic_get_temp_state(temp);
2279 temp_val = qlcnic_get_temp_val(temp);
2280
2281 if (temp_state == QLCNIC_TEMP_PANIC) {
2282 dev_err(&netdev->dev,
2283 "Device temperature %d degrees C exceeds"
2284 " maximum allowed. Hardware has been shut down.\n",
2285 temp_val);
2286 rv = 1;
2287 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2288 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2289 dev_err(&netdev->dev,
2290 "Device temperature %d degrees C "
2291 "exceeds operating range."
2292 " Immediate action needed.\n",
2293 temp_val);
2294 }
2295 } else {
79788450 2296 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2297 dev_info(&netdev->dev,
2298 "Device temperature is now %d degrees C"
2299 " in normal range.\n", temp_val);
2300 }
2301 }
79788450 2302 adapter->ahw->temp = temp_state;
af19b491
AKS		 2303 return rv;
2304}
2305
af19b491
AKS		 2306static void qlcnic_tx_timeout(struct net_device *netdev)
2307{
2308 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2309
2310 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2311 return;
2312
2313 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2314
2315 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2316 adapter->need_fw_reset = 1;
2317 else
79788450 2318 adapter->ahw->reset_context = 1;
af19b491
AKS		 2319}
2320
2321static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2322{
2323 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2324 struct net_device_stats *stats = &netdev->stats;
2325
af19b491
AKS		 2326 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2327 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2328 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2329 stats->tx_bytes = adapter->stats.txbytes;
2330 stats->rx_dropped = adapter->stats.rxdropped;
2331 stats->tx_dropped = adapter->stats.txdropped;
2332
2333 return stats;
2334}
2335
7e2cf4fe 2336irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2337{
af19b491
AKS		 2338 u32 status;
2339
2340 status = readl(adapter->isr_int_vec);
2341
79788450 2342 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2343 return IRQ_NONE;
2344
2345 /* check interrupt state machine, to be sure */
2346 status = readl(adapter->crb_int_state_reg);
2347 if (!ISR_LEGACY_INT_TRIGGERED(status))
2348 return IRQ_NONE;
2349
2350 writel(0xffffffff, adapter->tgt_status_reg);
2351 /* read twice to ensure write is flushed */
2352 readl(adapter->isr_int_vec);
2353 readl(adapter->isr_int_vec);
2354
7eb9855d
AKS		 2355 return IRQ_HANDLED;
2356}
2357
2358static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2359{
2360 struct qlcnic_host_sds_ring *sds_ring = data;
2361 struct qlcnic_adapter *adapter = sds_ring->adapter;
2362
2363 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2364 goto done;
2365 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2366 writel(0xffffffff, adapter->tgt_status_reg);
2367 goto done;
2368 }
2369
2370 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2371 return IRQ_NONE;
2372
2373done:
79788450 2374 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2375 qlcnic_enable_int(sds_ring);
2376 return IRQ_HANDLED;
2377}
2378
2379static irqreturn_t qlcnic_intr(int irq, void *data)
2380{
2381 struct qlcnic_host_sds_ring *sds_ring = data;
2382 struct qlcnic_adapter *adapter = sds_ring->adapter;
2383
2384 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2385 return IRQ_NONE;
2386
af19b491
AKS		 2387 napi_schedule(&sds_ring->napi);
2388
2389 return IRQ_HANDLED;
2390}
2391
2392static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2393{
2394 struct qlcnic_host_sds_ring *sds_ring = data;
2395 struct qlcnic_adapter *adapter = sds_ring->adapter;
2396
2397 /* clear interrupt */
2398 writel(0xffffffff, adapter->tgt_status_reg);
2399
2400 napi_schedule(&sds_ring->napi);
2401 return IRQ_HANDLED;
2402}
2403
2404static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2405{
2406 struct qlcnic_host_sds_ring *sds_ring = data;
2407
2408 napi_schedule(&sds_ring->napi);
2409 return IRQ_HANDLED;
2410}
2411
13159183
SC		 2412static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2413{
2414 struct qlcnic_host_tx_ring *tx_ring = data;
2415
2416 napi_schedule(&tx_ring->napi);
2417 return IRQ_HANDLED;
2418}
2419
af19b491
AKS		 2420#ifdef CONFIG_NET_POLL_CONTROLLER
2421static void qlcnic_poll_controller(struct net_device *netdev)
2422{
bf82791e
YL		 2423 int ring;
2424 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2425 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2426 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2427
af19b491 2428 disable_irq(adapter->irq);
bf82791e
YL		 2429 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2430 sds_ring = &recv_ctx->sds_rings[ring];
2431 qlcnic_intr(adapter->irq, sds_ring);
2432 }
af19b491
AKS		 2433 enable_irq(adapter->irq);
2434}
2435#endif
2436
6df900e9
SC		 2437static void
2438qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2439{
2440 u32 val;
2441
2442 val = adapter->portnum & 0xf;
2443 val |= encoding << 7;
2444 val |= (jiffies - adapter->dev_rst_time) << 8;
2445
a15ebd37 2446 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2447 adapter->dev_rst_time = jiffies;
2448}
2449
ade91f8e
AKS		 2450static int
2451qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2452{
2453 u32 val;
2454
2455 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2456 state != QLCNIC_DEV_NEED_QUISCENT);
2457
2458 if (qlcnic_api_lock(adapter))
ade91f8e 2459 return -EIO;
af19b491 2460
a15ebd37 2461 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2462
2463 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2464 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2465 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2466 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2467
a15ebd37 2468 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2469
2470 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2471
2472 return 0;
af19b491
AKS		 2473}
2474
1b95a839
AKS		 2475static int
2476qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2477{
2478 u32 val;
2479
2480 if (qlcnic_api_lock(adapter))
2481 return -EBUSY;
2482
a15ebd37 2483 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2484 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2485 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2486
2487 qlcnic_api_unlock(adapter);
2488
2489 return 0;
2490}
2491
af19b491 2492static void
21854f02 2493qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2494{
2495 u32 val;
2496
2497 if (qlcnic_api_lock(adapter))
2498 goto err;
2499
a15ebd37 2500 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2501 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2502 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2503
21854f02 2504 if (failed) {
a15ebd37
HM		 2505 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2506 QLCNIC_DEV_FAILED);
21854f02
AKS		 2507 dev_info(&adapter->pdev->dev,
2508 "Device state set to Failed. Please Reboot\n");
2509 } else if (!(val & 0x11111111))
a15ebd37
HM		 2510 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2511 QLCNIC_DEV_COLD);
af19b491 2512
a15ebd37 2513 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2514 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2515 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2516
2517 qlcnic_api_unlock(adapter);
2518err:
2519 adapter->fw_fail_cnt = 0;
032a13c7 2520 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2521 clear_bit(__QLCNIC_START_FW, &adapter->state);
2522 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2523}
2524
f73dfc50 2525/* Grab api lock, before checking state */
af19b491
AKS		 2526static int
2527qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2528{
602ca6f0 2529 int act, state, active_mask;
a15ebd37 2530 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2531
a15ebd37
HM		 2532 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2533 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2534
602ca6f0 2535 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2536 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2537 act = act & active_mask;
2538 }
2539
af19b491
AKS		 2540 if (((state & 0x11111111) == (act & 0x11111111)) ||
2541 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2542 return 0;
2543 else
2544 return 1;
2545}
2546
96f8118c
SC		 2547static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2548{
a15ebd37 2549 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2550
2551 if (val != QLCNIC_DRV_IDC_VER) {
2552 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2553 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2554 }
2555
2556 return 0;
2557}
2558
af19b491
AKS		 2559static int
2560qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2561{
2562 u32 val, prev_state;
aa5e18c0 2563 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2564 u8 portnum = adapter->portnum;
96f8118c 2565 u8 ret;
af19b491 2566
f73dfc50
AKS		 2567 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2568 return 1;
2569
af19b491
AKS		 2570 if (qlcnic_api_lock(adapter))
2571 return -1;
2572
a15ebd37 2573 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2574 if (!(val & (1 << (portnum * 4)))) {
2575 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2576 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2577 }
2578
a15ebd37 2579 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2580 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2581
2582 switch (prev_state) {
2583 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2584 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2585 QLCNIC_DEV_INITIALIZING);
2586 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2587 QLCNIC_DRV_IDC_VER);
6df900e9 2588 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2589 qlcnic_api_unlock(adapter);
2590 return 1;
2591
2592 case QLCNIC_DEV_READY:
96f8118c 2593 ret = qlcnic_check_idc_ver(adapter);
af19b491 2594 qlcnic_api_unlock(adapter);
96f8118c 2595 return ret;
af19b491
AKS		 2596
2597 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2598 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2599 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2600 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2601 break;
2602
2603 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2604 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2605 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2606 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2607 break;
2608
2609 case QLCNIC_DEV_FAILED:
a7fc948f 2610 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2611 qlcnic_api_unlock(adapter);
2612 return -1;
bbd8c6a4
AKS		 2613
2614 case QLCNIC_DEV_INITIALIZING:
2615 case QLCNIC_DEV_QUISCENT:
2616 break;
af19b491
AKS		 2617 }
2618
2619 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2620
2621 do {
af19b491 2622 msleep(1000);
a15ebd37 2623 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2624
2625 if (prev_state == QLCNIC_DEV_QUISCENT)
2626 continue;
2627 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2628
65b5b420
AKS		 2629 if (!dev_init_timeo) {
2630 dev_err(&adapter->pdev->dev,
2631 "Waiting for device to initialize timeout\n");
af19b491 2632 return -1;
65b5b420 2633 }
af19b491
AKS		 2634
2635 if (qlcnic_api_lock(adapter))
2636 return -1;
2637
a15ebd37 2638 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2639 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2640 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2641
96f8118c 2642 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2643 qlcnic_api_unlock(adapter);
2644
96f8118c 2645 return ret;
af19b491
AKS		 2646}
2647
2648static void
2649qlcnic_fwinit_work(struct work_struct *work)
2650{
2651 struct qlcnic_adapter *adapter = container_of(work,
2652 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2653 u32 dev_state = 0xf;
7b749ff4 2654 u32 val;
af19b491 2655
f73dfc50
AKS		 2656 if (qlcnic_api_lock(adapter))
2657 goto err_ret;
af19b491 2658
a15ebd37 2659 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2660 if (dev_state == QLCNIC_DEV_QUISCENT ||
2661 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2662 qlcnic_api_unlock(adapter);
2663 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2664 FW_POLL_DELAY * 2);
2665 return;
2666 }
2667
79788450 2668 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2669 qlcnic_api_unlock(adapter);
2670 goto wait_npar;
9f26f547
AC		 2671 }
2672
16e3cf73
SV		 2673 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2674 dev_state == QLCNIC_DEV_READY) {
2675 dev_info(&adapter->pdev->dev, "Detected state change from "
2676 "DEV_NEED_RESET, skipping ack check\n");
2677 goto skip_ack_check;
2678 }
2679
f73dfc50 2680 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2681 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2682 adapter->reset_ack_timeo);
2683 goto skip_ack_check;
2684 }
2685
2686 if (!qlcnic_check_drv_state(adapter)) {
2687skip_ack_check:
a15ebd37 2688 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2689
f73dfc50 2690 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2691 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2692 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2693 set_bit(__QLCNIC_START_FW, &adapter->state);
2694 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2695 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2696 val = QLC_SHARED_REG_RD32(adapter,
2697 QLCNIC_CRB_DRV_STATE);
7b749ff4 2698 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2699 QLC_SHARED_REG_WR32(adapter,
2700 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2701 }
2702
f73dfc50
AKS		 2703 qlcnic_api_unlock(adapter);
2704
287e38aa 2705 rtnl_lock();
7b749ff4
SV		 2706 if (adapter->ahw->fw_dump.enable &&
2707 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2708 QLCDB(adapter, DRV, "Take FW dump\n");
2709 qlcnic_dump_fw(adapter);
032a13c7 2710 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2711 }
287e38aa 2712 rtnl_unlock();
7b749ff4
SV		 2713
2714 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2715 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2716 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2717 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2718 return;
2719 }
af19b491
AKS		 2720 goto err_ret;
2721 }
2722
f73dfc50 2723 qlcnic_api_unlock(adapter);
aa5e18c0 2724
9f26f547 2725wait_npar:
a15ebd37 2726 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2727 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2728
af19b491 2729 switch (dev_state) {
3c4b23b1 2730 case QLCNIC_DEV_READY:
7e2cf4fe 2731 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2732 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2733 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2734 return;
2735 }
3c4b23b1
AKS		 2736 case QLCNIC_DEV_FAILED:
2737 break;
2738 default:
2739 qlcnic_schedule_work(adapter,
2740 qlcnic_fwinit_work, FW_POLL_DELAY);
2741 return;
af19b491
AKS		 2742 }
2743
2744err_ret:
f73dfc50
AKS		 2745 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2746 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2747 netif_device_attach(adapter->netdev);
21854f02 2748 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2749}
2750
2751static void
2752qlcnic_detach_work(struct work_struct *work)
2753{
2754 struct qlcnic_adapter *adapter = container_of(work,
2755 struct qlcnic_adapter, fw_work.work);
2756 struct net_device *netdev = adapter->netdev;
2757 u32 status;
2758
2759 netif_device_detach(netdev);
2760
b8c17620
AKS		 2761 /* Dont grab rtnl lock during Quiscent mode */
2762 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2763 if (netif_running(netdev))
2764 __qlcnic_down(adapter, netdev);
2765 } else
2766 qlcnic_down(adapter, netdev);
af19b491 2767
a15ebd37 2768 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2769
44f65b29
SC		 2770 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2771 dev_err(&adapter->pdev->dev,
2772 "Detaching the device: peg halt status1=0x%x\n",
2773 status);
2774
2775 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2776 dev_err(&adapter->pdev->dev,
2777 "On board active cooling fan failed. "
2778 "Device has been halted.\n");
2779 dev_err(&adapter->pdev->dev,
2780 "Replace the adapter.\n");
2781 }
2782
af19b491 2783 goto err_ret;
44f65b29 2784 }
af19b491 2785
79788450 2786 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2787 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2788 adapter->ahw->temp);
af19b491 2789 goto err_ret;
44f65b29
SC		 2790 }
2791
602ca6f0
SV		 2792 /* Dont ack if this instance is the reset owner */
2793 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2794 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2795 dev_err(&adapter->pdev->dev,
2796 "Failed to set driver state,"
2797 "detaching the device.\n");
602ca6f0 2798 goto err_ret;
44f65b29 2799 }
602ca6f0 2800 }
af19b491
AKS		 2801
2802 adapter->fw_wait_cnt = 0;
2803
2804 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2805
2806 return;
2807
2808err_ret:
34ce3626 2809 netif_device_attach(netdev);
21854f02 2810 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2811}
2812
3c4b23b1
AKS		 2813/*Transit NPAR state to NON Operational */
2814static void
2815qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2816{
2817 u32 state;
2818
a15ebd37 2819 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2820 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2821 return;
2822
2823 if (qlcnic_api_lock(adapter))
2824 return;
a15ebd37
HM		 2825 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2826 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2827 qlcnic_api_unlock(adapter);
2828}
2829
7e2cf4fe 2830void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2831{
646779f1
SV		 2832 u32 state, xg_val = 0, gb_val = 0;
2833
2834 qlcnic_xg_set_xg0_mask(xg_val);
2835 qlcnic_xg_set_xg1_mask(xg_val);
2836 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2837 qlcnic_gb_set_gb0_mask(gb_val);
2838 qlcnic_gb_set_gb1_mask(gb_val);
2839 qlcnic_gb_set_gb2_mask(gb_val);
2840 qlcnic_gb_set_gb3_mask(gb_val);
2841 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2842 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2843 " on all ports\n");
cea8975e 2844 adapter->need_fw_reset = 1;
13159183 2845
af19b491
AKS		 2846 if (qlcnic_api_lock(adapter))
2847 return;
2848
13159183 2849 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2850
f73dfc50 2851 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2852 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2853 QLCNIC_DEV_NEED_RESET);
602ca6f0 2854 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2855 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2856 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2857 }
2858
13159183
SC		 2859 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2860 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2861 qlcnic_api_unlock(adapter);
2862}
2863
9f26f547
AC		 2864/* Transit to NPAR READY state from NPAR NOT READY state */
2865static void
2866qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2867{
9f26f547
AC		 2868 if (qlcnic_api_lock(adapter))
2869 return;
2870
a15ebd37
HM		 2871 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2872 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2873 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2874
2875 qlcnic_api_unlock(adapter);
2876}
2877
13159183
SC		 2878void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2879 work_func_t func, int delay)
af19b491 2880{
451724c8
SC		 2881 if (test_bit(__QLCNIC_AER, &adapter->state))
2882 return;
2883
af19b491 2884 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2885 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2886 round_jiffies_relative(delay));
af19b491
AKS		 2887}
2888
2889static void
2890qlcnic_attach_work(struct work_struct *work)
2891{
2892 struct qlcnic_adapter *adapter = container_of(work,
2893 struct qlcnic_adapter, fw_work.work);
2894 struct net_device *netdev = adapter->netdev;
b18971d1 2895 u32 npar_state;
af19b491 2896
79788450 2897 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2898 npar_state = QLC_SHARED_REG_RD32(adapter,
2899 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2900 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2901 qlcnic_clr_all_drv_state(adapter, 0);
2902 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2903 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2904 FW_POLL_DELAY);
2905 else
2906 goto attach;
2907 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2908 return;
2909 }
2910attach:
af19b491 2911 if (netif_running(netdev)) {
52486a3a 2912 if (qlcnic_up(adapter, netdev))
af19b491 2913 goto done;
af19b491 2914
aec1e845 2915 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2916 }
2917
af19b491 2918done:
34ce3626 2919 netif_device_attach(netdev);
af19b491 2920 adapter->fw_fail_cnt = 0;
032a13c7 2921 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2922 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2923
2924 if (!qlcnic_clr_drv_state(adapter))
2925 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2926 FW_POLL_DELAY);
af19b491
AKS		 2927}
2928
2929static int
2930qlcnic_check_health(struct qlcnic_adapter *adapter)
2931{
4e70812b 2932 u32 state = 0, heartbeat;
853d4bca 2933 u32 peg_status;
af19b491
AKS		 2934
2935 if (qlcnic_check_temp(adapter))
2936 goto detach;
2937
2372a5f1 2938 if (adapter->need_fw_reset)
7e2cf4fe 2939 qlcnic_dev_request_reset(adapter, 0);
af19b491 2940
a15ebd37 2941 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2942 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2943 qlcnic_set_npar_non_operational(adapter);
af19b491 2944 adapter->need_fw_reset = 1;
b8c17620
AKS		 2945 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2946 goto detach;
af19b491 2947
a15ebd37 2948 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2949 if (heartbeat != adapter->heartbeat) {
2950 adapter->heartbeat = heartbeat;
af19b491
AKS		 2951 adapter->fw_fail_cnt = 0;
2952 if (adapter->need_fw_reset)
2953 goto detach;
68bf1c68 2954
099f7aa7 2955 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2956 qlcnic_reset_hw_context(adapter);
2957 adapter->netdev->trans_start = jiffies;
2958 }
2959
af19b491
AKS		 2960 return 0;
2961 }
2962
2963 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2964 return 0;
2965
032a13c7
SV		 2966 adapter->flags |= QLCNIC_FW_HANG;
2967
7e2cf4fe 2968 qlcnic_dev_request_reset(adapter, 0);
af19b491 2969
099f7aa7 2970 if (qlcnic_auto_fw_reset)
0df170b6 2971 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2972
853d4bca 2973 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2974 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2975 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2976 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2977 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2978 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2979 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2980 peg_status,
2981 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2982 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2983 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2984 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2985 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2986 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2987 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2988 dev_err(&adapter->pdev->dev,
2989 "Firmware aborted with error code 0x00006700. "
2990 "Device is being reset.\n");
af19b491
AKS		 2991detach:
2992 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2993 QLCNIC_DEV_NEED_RESET;
2994
099f7aa7
SC		 2995 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2996 &adapter->state)) {
65b5b420 2997
af19b491 2998 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2999 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3000 }
af19b491
AKS		 3001
3002 return 1;
3003}
3004
3005static void
3006qlcnic_fw_poll_work(struct work_struct *work)
3007{
3008 struct qlcnic_adapter *adapter = container_of(work,
3009 struct qlcnic_adapter, fw_work.work);
3010
3011 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3012 goto reschedule;
3013
3014
3015 if (qlcnic_check_health(adapter))
3016 return;
3017
b5e5492c
AKS		 3018 if (adapter->fhash.fnum)
3019 qlcnic_prune_lb_filters(adapter);
3020
af19b491
AKS		 3021reschedule:
3022 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3023}
3024
451724c8
SC		 3025static int qlcnic_is_first_func(struct pci_dev *pdev)
3026{
3027 struct pci_dev *oth_pdev;
3028 int val = pdev->devfn;
3029
3030 while (val-- > 0) {
3031 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3032 (pdev->bus), pdev->bus->number,
3033 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3034 if (!oth_pdev)
3035 continue;
451724c8 3036
bfc978fa
AKS		 3037 if (oth_pdev->current_state != PCI_D3cold) {
3038 pci_dev_put(oth_pdev);
451724c8 3039 return 0;
bfc978fa
AKS		 3040 }
3041 pci_dev_put(oth_pdev);
451724c8
SC		 3042 }
3043 return 1;
3044}
3045
3046static int qlcnic_attach_func(struct pci_dev *pdev)
3047{
3048 int err, first_func;
3049 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3050 struct net_device *netdev = adapter->netdev;
3051
3052 pdev->error_state = pci_channel_io_normal;
3053
3054 err = pci_enable_device(pdev);
3055 if (err)
3056 return err;
3057
3058 pci_set_power_state(pdev, PCI_D0);
3059 pci_set_master(pdev);
3060 pci_restore_state(pdev);
3061
3062 first_func = qlcnic_is_first_func(pdev);
3063
3064 if (qlcnic_api_lock(adapter))
3065 return -EINVAL;
3066
79788450 3067 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3068 adapter->need_fw_reset = 1;
3069 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3070 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3071 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3072 QLCDB(adapter, DRV, "Restarting fw\n");
3073 }
3074 qlcnic_api_unlock(adapter);
3075
13159183 3076 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3077 if (err)
3078 return err;
3079
3080 qlcnic_clr_drv_state(adapter);
13159183
SC		 3081 kfree(adapter->msix_entries);
3082 adapter->msix_entries = NULL;
3083 err = qlcnic_setup_intr(adapter, 0);
3084
9a97e705
M		 3085 if (err) {
3086 kfree(adapter->msix_entries);
3087 netdev_err(netdev, "failed to setup interrupt\n");
3088 return err;
3089 }
3090
13159183 3091 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3092 /* register for NIC IDC AEN Events */
3093 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3094 err = qlcnic_83xx_setup_mbx_intr(adapter);
3095 if (err) {
3096 dev_err(&adapter->pdev->dev,
3097 "failed to setup mbx interrupt\n");
3098 qlcnic_clr_all_drv_state(adapter, 1);
3099 clear_bit(__QLCNIC_AER, &adapter->state);
3100 goto done;
3101 }
3102 }
451724c8
SC		 3103
3104 if (netif_running(netdev)) {
3105 err = qlcnic_attach(adapter);
3106 if (err) {
21854f02 3107 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3108 clear_bit(__QLCNIC_AER, &adapter->state);
3109 netif_device_attach(netdev);
3110 return err;
3111 }
3112
3113 err = qlcnic_up(adapter, netdev);
3114 if (err)
3115 goto done;
3116
aec1e845 3117 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3118 }
3119 done:
3120 netif_device_attach(netdev);
3121 return err;
3122}
3123
3124static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3125 pci_channel_state_t state)
3126{
3127 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3128 struct net_device *netdev = adapter->netdev;
3129
3130 if (state == pci_channel_io_perm_failure)
3131 return PCI_ERS_RESULT_DISCONNECT;
3132
3133 if (state == pci_channel_io_normal)
3134 return PCI_ERS_RESULT_RECOVERED;
3135
3136 set_bit(__QLCNIC_AER, &adapter->state);
3137 netif_device_detach(netdev);
3138
3139 cancel_delayed_work_sync(&adapter->fw_work);
3140
3141 if (netif_running(netdev))
3142 qlcnic_down(adapter, netdev);
3143
13159183 3144 if (qlcnic_83xx_check(adapter)) {
13159183 3145 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3146 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3147 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3148 }
3149
451724c8
SC		 3150 qlcnic_detach(adapter);
3151 qlcnic_teardown_intr(adapter);
3152
3153 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3154
3155 pci_save_state(pdev);
3156 pci_disable_device(pdev);
3157
3158 return PCI_ERS_RESULT_NEED_RESET;
3159}
3160
3161static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3162{
3163 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3164 PCI_ERS_RESULT_RECOVERED;
3165}
3166
3167static void qlcnic_io_resume(struct pci_dev *pdev)
3168{
a15ebd37 3169 u32 state;
451724c8
SC		 3170 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3171
3172 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3173 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3174 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3175 &adapter->state))
451724c8
SC		 3176 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3177 FW_POLL_DELAY);
3178}
3179
87eb743b
AC		 3180static int
3181qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3182{
3183 int err;
3184
3185 err = qlcnic_can_start_firmware(adapter);
3186 if (err)
3187 return err;
3188
78f84e1a
AKS		 3189 err = qlcnic_check_npar_opertional(adapter);
3190 if (err)
3191 return err;
3c4b23b1 3192
174240a8
RB		 3193 err = qlcnic_initialize_nic(adapter);
3194 if (err)
3195 return err;
3196
87eb743b
AC		 3197 qlcnic_check_options(adapter);
3198
7373373d
RB		 3199 err = qlcnic_set_eswitch_port_config(adapter);
3200 if (err)
3201 return err;
3202
87eb743b
AC		 3203 adapter->need_fw_reset = 0;
3204
3205 return err;
3206}
3207
319ecf12 3208int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3209{
319ecf12
SC		 3210 u32 max_allowed;
3211
3212 if (max_hw > QLC_MAX_SDS_RINGS) {
3213 max_hw = QLC_MAX_SDS_RINGS;
3214 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3215 }
3216
319ecf12
SC		 3217 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3218 num_online_cpus()));
3219 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3220 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3221 max_allowed);
f94bc1e7
SC		 3222 return -EINVAL;
3223 }
3224 return 0;
f94bc1e7
SC		 3225}
3226
319ecf12 3227int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3228{
13159183 3229 int err;
f94bc1e7 3230 struct net_device *netdev = adapter->netdev;
f94bc1e7 3231
319ecf12
SC		 3232 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3233 return -EBUSY;
3234
f94bc1e7
SC		 3235 netif_device_detach(netdev);
3236 if (netif_running(netdev))
3237 __qlcnic_down(adapter, netdev);
13159183 3238
7dd90cf1
SC		 3239 qlcnic_detach(adapter);
3240
3241 if (qlcnic_83xx_check(adapter))
13159183 3242 qlcnic_83xx_free_mbx_intr(adapter);
13159183 3243
f94bc1e7 3244 qlcnic_teardown_intr(adapter);
319ecf12 3245 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3246 if (err) {
3247 kfree(adapter->msix_entries);
3248 netdev_err(netdev, "failed to setup interrupt\n");
3249 return err;
3250 }
f94bc1e7 3251
13159183 3252 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3253 /* register for NIC IDC AEN Events */
3254 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3255 err = qlcnic_83xx_setup_mbx_intr(adapter);
3256 if (err) {
3257 dev_err(&adapter->pdev->dev,
3258 "failed to setup mbx interrupt\n");
3259 goto done;
3260 }
f94bc1e7
SC		 3261 }
3262
3263 if (netif_running(netdev)) {
3264 err = qlcnic_attach(adapter);
3265 if (err)
3266 goto done;
3267 err = __qlcnic_up(adapter, netdev);
3268 if (err)
3269 goto done;
3270 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3271 }
319ecf12 3272 err = len;
f94bc1e7
SC		 3273 done:
3274 netif_device_attach(netdev);
3275 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3276 return err;
3277}
3278
af19b491
AKS		 3279#ifdef CONFIG_INET
3280
3281#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3282
af19b491 3283static void
aec1e845
AKS		 3284qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3285 struct net_device *dev, unsigned long event)
af19b491
AKS		 3286{
3287 struct in_device *indev;
af19b491 3288
af19b491
AKS		 3289 indev = in_dev_get(dev);
3290 if (!indev)
3291 return;
3292
3293 for_ifa(indev) {
3294 switch (event) {
3295 case NETDEV_UP:
3296 qlcnic_config_ipaddr(adapter,
3297 ifa->ifa_address, QLCNIC_IP_UP);
3298 break;
3299 case NETDEV_DOWN:
3300 qlcnic_config_ipaddr(adapter,
3301 ifa->ifa_address, QLCNIC_IP_DOWN);
3302 break;
3303 default:
3304 break;
3305 }
3306 } endfor_ifa(indev);
3307
3308 in_dev_put(indev);
af19b491
AKS		 3309}
3310
319ecf12 3311void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3312{
3313 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3314 struct net_device *dev;
3315 u16 vid;
3316
3317 qlcnic_config_indev_addr(adapter, netdev, event);
3318
43c00a75 3319 rcu_read_lock();
b9796a14 3320 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3321 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3322 if (!dev)
3323 continue;
aec1e845
AKS		 3324 qlcnic_config_indev_addr(adapter, dev, event);
3325 }
43c00a75 3326 rcu_read_unlock();
aec1e845
AKS		 3327}
3328
af19b491
AKS		 3329static int qlcnic_netdev_event(struct notifier_block *this,
3330 unsigned long event, void *ptr)
3331{
3332 struct qlcnic_adapter *adapter;
3333 struct net_device *dev = (struct net_device *)ptr;
3334
3335recheck:
3336 if (dev == NULL)
3337 goto done;
3338
3339 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3340 dev = vlan_dev_real_dev(dev);
3341 goto recheck;
3342 }
3343
3344 if (!is_qlcnic_netdev(dev))
3345 goto done;
3346
3347 adapter = netdev_priv(dev);
3348
3349 if (!adapter)
3350 goto done;
3351
8a15ad1f 3352 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3353 goto done;
3354
aec1e845 3355 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3356done:
3357 return NOTIFY_DONE;
3358}
3359
3360static int
3361qlcnic_inetaddr_event(struct notifier_block *this,
3362 unsigned long event, void *ptr)
3363{
3364 struct qlcnic_adapter *adapter;
3365 struct net_device *dev;
3366
3367 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3368
3369 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3370
3371recheck:
aec1e845 3372 if (dev == NULL)
af19b491
AKS		 3373 goto done;
3374
3375 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3376 dev = vlan_dev_real_dev(dev);
3377 goto recheck;
3378 }
3379
3380 if (!is_qlcnic_netdev(dev))
3381 goto done;
3382
3383 adapter = netdev_priv(dev);
3384
251a84c9 3385 if (!adapter)
af19b491
AKS		 3386 goto done;
3387
8a15ad1f 3388 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3389 goto done;
3390
3391 switch (event) {
3392 case NETDEV_UP:
3393 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3394
af19b491
AKS		 3395 break;
3396 case NETDEV_DOWN:
3397 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3398
af19b491
AKS		 3399 break;
3400 default:
3401 break;
3402 }
3403
3404done:
3405 return NOTIFY_DONE;
3406}
3407
3408static struct notifier_block qlcnic_netdev_cb = {
3409 .notifier_call = qlcnic_netdev_event,
3410};
3411
3412static struct notifier_block qlcnic_inetaddr_cb = {
3413 .notifier_call = qlcnic_inetaddr_event,
3414};
3415#else
f8ca2b6f 3416void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3417{ }
3418#endif
fec9dd15 3419static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3420 .error_detected = qlcnic_io_error_detected,
3421 .slot_reset = qlcnic_io_slot_reset,
3422 .resume = qlcnic_io_resume,
3423};
af19b491
AKS		 3424
3425static struct pci_driver qlcnic_driver = {
3426 .name = qlcnic_driver_name,
3427 .id_table = qlcnic_pci_tbl,
3428 .probe = qlcnic_probe,
6bb58bb0 3429 .remove = qlcnic_remove,
af19b491
AKS		 3430#ifdef CONFIG_PM
3431 .suspend = qlcnic_suspend,
3432 .resume = qlcnic_resume,
3433#endif
451724c8
SC		 3434 .shutdown = qlcnic_shutdown,
3435 .err_handler = &qlcnic_err_handler
3436
af19b491
AKS		 3437};
3438
3439static int __init qlcnic_init_module(void)
3440{
0cf3a14c 3441 int ret;
af19b491
AKS		 3442
3443 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3444
3445#ifdef CONFIG_INET
3446 register_netdevice_notifier(&qlcnic_netdev_cb);
3447 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3448#endif
3449
0cf3a14c
AKS		 3450 ret = pci_register_driver(&qlcnic_driver);
3451 if (ret) {
3452#ifdef CONFIG_INET
3453 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3454 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3455#endif
3456 }
af19b491 3457
0cf3a14c 3458 return ret;
af19b491
AKS		 3459}
3460
3461module_init(qlcnic_init_module);
3462
3463static void __exit qlcnic_exit_module(void)
3464{
af19b491
AKS		 3465 pci_unregister_driver(&qlcnic_driver);
3466
3467#ifdef CONFIG_INET
3468 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3469 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3470#endif
3471}
3472
3473module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
This page took 1.325572 seconds and 5 git commands to generate.