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qlcnic: fix mailbox interrupt.
[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;
1272 handler = qlcnic_intr;
1273 }
af19b491
AKS		 1274 }
1275 adapter->irq = netdev->irq;
1276
13159183
SC		 1277 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1278 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1279 sds_ring = &recv_ctx->sds_rings[ring];
1280 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1281 "%s[%d]", netdev->name, ring);
1282 err = request_irq(sds_ring->irq, handler, flags,
1283 sds_ring->name, sds_ring);
1284 if (err)
1285 return err;
1286 }
1287 if (qlcnic_83xx_check(adapter) &&
1288 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1289 handler = qlcnic_msix_tx_intr;
1290 for (ring = 0; ring < adapter->max_drv_tx_rings;
1291 ring++) {
1292 tx_ring = &adapter->tx_ring[ring];
1293 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1294 "%s[%d]", netdev->name,
1295 adapter->max_sds_rings + ring);
1296 err = request_irq(tx_ring->irq, handler, flags,
1297 tx_ring->name, tx_ring);
1298 if (err)
1299 return err;
1300 }
1301 }
af19b491 1302 }
af19b491
AKS		 1303 return 0;
1304}
1305
1306static void
1307qlcnic_free_irq(struct qlcnic_adapter *adapter)
1308{
1309 int ring;
1310 struct qlcnic_host_sds_ring *sds_ring;
13159183 1311 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1312
b1fc6d3c 1313 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1314
13159183
SC		 1315 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1316 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1317 sds_ring = &recv_ctx->sds_rings[ring];
1318 free_irq(sds_ring->irq, sds_ring);
1319 }
1320 if (qlcnic_83xx_check(adapter)) {
1321 for (ring = 0; ring < adapter->max_drv_tx_rings;
1322 ring++) {
1323 tx_ring = &adapter->tx_ring[ring];
1324 if (tx_ring->irq)
1325 free_irq(tx_ring->irq, tx_ring);
1326 }
1327 }
af19b491
AKS		 1328 }
1329}
1330
319ecf12 1331int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1332{
8a15ad1f 1333 int ring;
cae82d49
RB		 1334 u32 capab2;
1335
8a15ad1f
AKS		 1336 struct qlcnic_host_rds_ring *rds_ring;
1337
af19b491
AKS		 1338 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1339 return -EIO;
1340
8a15ad1f
AKS		 1341 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1342 return 0;
0325d69b
RB		 1343 if (qlcnic_set_eswitch_port_config(adapter))
1344 return -EIO;
8a15ad1f 1345
79788450 1346 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1347 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1348 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1349 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1350 }
1351
8a15ad1f
AKS		 1352 if (qlcnic_fw_create_ctx(adapter))
1353 return -EIO;
1354
1355 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1356 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1357 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1358 }
1359
af19b491
AKS		 1360 qlcnic_set_multi(netdev);
1361 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1362
b1fc6d3c 1363 adapter->ahw->linkup = 0;
af19b491
AKS		 1364
1365 if (adapter->max_sds_rings > 1)
1366 qlcnic_config_rss(adapter, 1);
1367
1368 qlcnic_config_intr_coalesce(adapter);
1369
24763d80 1370 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1371 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1372
1373 qlcnic_napi_enable(adapter);
1374
1375 qlcnic_linkevent_request(adapter, 1);
1376
79788450 1377 adapter->ahw->reset_context = 0;
af19b491
AKS		 1378 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1379 return 0;
1380}
1381
629263ac 1382int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1383{
1384 int err = 0;
1385
1386 rtnl_lock();
1387 if (netif_running(netdev))
1388 err = __qlcnic_up(adapter, netdev);
1389 rtnl_unlock();
1390
1391 return err;
1392}
1393
319ecf12 1394void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1395{
1396 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1397 return;
1398
1399 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1400 return;
1401
1402 smp_mb();
1403 spin_lock(&adapter->tx_clean_lock);
1404 netif_carrier_off(netdev);
1405 netif_tx_disable(netdev);
1406
1407 qlcnic_free_mac_list(adapter);
1408
b5e5492c
AKS		 1409 if (adapter->fhash.fnum)
1410 qlcnic_delete_lb_filters(adapter);
1411
af19b491
AKS		 1412 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1413
1414 qlcnic_napi_disable(adapter);
1415
8a15ad1f 1416 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1417 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1418
1419 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1420 qlcnic_release_tx_buffers(adapter);
1421 spin_unlock(&adapter->tx_clean_lock);
1422}
1423
1424/* Usage: During suspend and firmware recovery module */
1425
629263ac 1426void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1427{
1428 rtnl_lock();
1429 if (netif_running(netdev))
1430 __qlcnic_down(adapter, netdev);
1431 rtnl_unlock();
1432
1433}
1434
319ecf12 1435int
af19b491
AKS		 1436qlcnic_attach(struct qlcnic_adapter *adapter)
1437{
1438 struct net_device *netdev = adapter->netdev;
1439 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1440 int err;
af19b491
AKS		 1441
1442 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1443 return 0;
1444
af19b491
AKS		 1445 err = qlcnic_napi_add(adapter, netdev);
1446 if (err)
1447 return err;
1448
1449 err = qlcnic_alloc_sw_resources(adapter);
1450 if (err) {
1451 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1452 goto err_out_napi_del;
af19b491
AKS		 1453 }
1454
1455 err = qlcnic_alloc_hw_resources(adapter);
1456 if (err) {
1457 dev_err(&pdev->dev, "Error in setting hw resources\n");
1458 goto err_out_free_sw;
1459 }
1460
af19b491
AKS		 1461 err = qlcnic_request_irq(adapter);
1462 if (err) {
1463 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1464 goto err_out_free_hw;
af19b491
AKS		 1465 }
1466
af19b491
AKS		 1467 qlcnic_create_sysfs_entries(adapter);
1468
1469 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1470 return 0;
1471
8a15ad1f 1472err_out_free_hw:
af19b491
AKS		 1473 qlcnic_free_hw_resources(adapter);
1474err_out_free_sw:
1475 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1476err_out_napi_del:
1477 qlcnic_napi_del(adapter);
af19b491
AKS		 1478 return err;
1479}
1480
319ecf12 1481void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1482{
1483 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1484 return;
1485
1486 qlcnic_remove_sysfs_entries(adapter);
1487
1488 qlcnic_free_hw_resources(adapter);
1489 qlcnic_release_rx_buffers(adapter);
1490 qlcnic_free_irq(adapter);
1491 qlcnic_napi_del(adapter);
1492 qlcnic_free_sw_resources(adapter);
1493
1494 adapter->is_up = 0;
1495}
1496
7eb9855d
AKS		 1497void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1498{
1499 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1500 struct qlcnic_host_sds_ring *sds_ring;
1501 int ring;
1502
78ad3892 1503 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1504 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1505 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1506 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1507 qlcnic_disable_int(sds_ring);
cdaff185 1508 }
7eb9855d
AKS		 1509 }
1510
8a15ad1f
AKS		 1511 qlcnic_fw_destroy_ctx(adapter);
1512
7eb9855d
AKS		 1513 qlcnic_detach(adapter);
1514
79788450 1515 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1516 adapter->max_sds_rings = max_sds_rings;
1517
1518 if (qlcnic_attach(adapter))
34ce3626 1519 goto out;
7eb9855d
AKS		 1520
1521 if (netif_running(netdev))
1522 __qlcnic_up(adapter, netdev);
34ce3626 1523out:
7eb9855d
AKS		 1524 netif_device_attach(netdev);
1525}
1526
b1fc6d3c
AC		 1527static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1528{
1529 int err = 0;
b1fc6d3c
AC		 1530 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1531 GFP_KERNEL);
1532 if (!adapter->recv_ctx) {
b1fc6d3c 1533 err = -ENOMEM;
8816d009 1534 goto err_out;
b1fc6d3c 1535 }
8816d009
AC		 1536 /* Initialize interrupt coalesce parameters */
1537 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1538 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1539 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1540 /* clear stats */
1541 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1542err_out:
1543 return err;
1544}
1545
1546static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1547{
1548 kfree(adapter->recv_ctx);
1549 adapter->recv_ctx = NULL;
1550
18f2f616
AC		 1551 if (adapter->ahw->fw_dump.tmpl_hdr) {
1552 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1553 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1554 }
4be41e92 1555
81d0aeb0 1556 kfree(adapter->ahw->reset.buff);
4be41e92 1557 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1558}
1559
7eb9855d
AKS		 1560int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1561{
1562 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1563 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1564 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1565 int ring;
1566 int ret;
1567
1568 netif_device_detach(netdev);
1569
1570 if (netif_running(netdev))
1571 __qlcnic_down(adapter, netdev);
1572
1573 qlcnic_detach(adapter);
1574
1575 adapter->max_sds_rings = 1;
79788450 1576 adapter->ahw->diag_test = test;
4be41e92 1577 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1578
1579 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1580 if (ret) {
1581 netif_device_attach(netdev);
7eb9855d 1582 return ret;
34ce3626 1583 }
7eb9855d 1584
8a15ad1f
AKS		 1585 ret = qlcnic_fw_create_ctx(adapter);
1586 if (ret) {
1587 qlcnic_detach(adapter);
57e46248 1588 netif_device_attach(netdev);
8a15ad1f
AKS		 1589 return ret;
1590 }
1591
1592 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1593 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1594 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1595 }
1596
79788450 1597 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1598 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1599 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1600 qlcnic_enable_int(sds_ring);
cdaff185 1601 }
7eb9855d 1602 }
22c8c934 1603
79788450 1604 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1605 adapter->ahw->loopback_state = 0;
1606 qlcnic_linkevent_request(adapter, 1);
1607 }
1608
78ad3892 1609 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1610
1611 return 0;
1612}
1613
68bf1c68
AKS		 1614/* Reset context in hardware only */
1615static int
1616qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1617{
1618 struct net_device *netdev = adapter->netdev;
1619
1620 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1621 return -EBUSY;
1622
1623 netif_device_detach(netdev);
1624
1625 qlcnic_down(adapter, netdev);
1626
1627 qlcnic_up(adapter, netdev);
1628
1629 netif_device_attach(netdev);
1630
1631 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1632 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1633 return 0;
1634}
1635
af19b491
AKS		 1636int
1637qlcnic_reset_context(struct qlcnic_adapter *adapter)
1638{
1639 int err = 0;
1640 struct net_device *netdev = adapter->netdev;
1641
1642 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1643 return -EBUSY;
1644
1645 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1646
1647 netif_device_detach(netdev);
1648
1649 if (netif_running(netdev))
1650 __qlcnic_down(adapter, netdev);
1651
1652 qlcnic_detach(adapter);
1653
1654 if (netif_running(netdev)) {
1655 err = qlcnic_attach(adapter);
1d5c88e3 1656 if (!err) {
34ce3626 1657 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1658 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1659 }
af19b491
AKS		 1660 }
1661
1662 netif_device_attach(netdev);
1663 }
1664
af19b491
AKS		 1665 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1666 return err;
1667}
1668
1669static int
5ad6ff9d
SC		 1670qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1671 int pci_using_dac)
af19b491
AKS		 1672{
1673 int err;
1674 struct pci_dev *pdev = adapter->pdev;
1675
13159183 1676 adapter->rx_csum = 1;
79788450 1677 adapter->ahw->mc_enabled = 0;
13159183 1678 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1679
1680 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1681 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1682
1683 qlcnic_change_mtu(netdev, netdev->mtu);
1684
1685 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1686
7e38d04b 1687 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1688 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1689 NETIF_F_HW_VLAN_RX);
1690 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1691 NETIF_F_IPV6_CSUM);
ac8d0c4f 1692
13159183
SC		 1693 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1694 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1695 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1696 }
af19b491 1697
13159183
SC		 1698 if (pci_using_dac) {
1699 netdev->features |= NETIF_F_HIGHDMA;
1700 netdev->vlan_features |= NETIF_F_HIGHDMA;
1701 }
af19b491 1702
13159183
SC		 1703 if (qlcnic_vlan_tx_check(adapter))
1704 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1705
13159183
SC		 1706 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1707 netdev->features |= NETIF_F_LRO;
135d84a9 1708
7e38d04b 1709 netdev->hw_features = netdev->features;
af19b491
AKS		 1710 netdev->irq = adapter->msix_entries[0].vector;
1711
af19b491
AKS		 1712 err = register_netdev(netdev);
1713 if (err) {
1714 dev_err(&pdev->dev, "failed to register net device\n");
1715 return err;
1716 }
1717
1718 return 0;
1719}
1720
5ad6ff9d 1721static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1722{
1723 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1724 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1725 *pci_using_dac = 1;
1726 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1727 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1728 *pci_using_dac = 0;
1729 else {
1730 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1731 return -EIO;
1732 }
1733
1734 return 0;
1735}
1736
4be41e92
SC		 1737void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1738{
1739 int ring;
1740 struct qlcnic_host_tx_ring *tx_ring;
1741
1742 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1743 tx_ring = &adapter->tx_ring[ring];
1744 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1745 vfree(tx_ring->cmd_buf_arr);
1746 tx_ring->cmd_buf_arr = NULL;
1747 }
1748 }
1749 if (adapter->tx_ring != NULL)
1750 kfree(adapter->tx_ring);
1751}
1752
1753int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1754 struct net_device *netdev)
1755{
b2adaca9 1756 int ring, vector, index;
4be41e92
SC		 1757 struct qlcnic_host_tx_ring *tx_ring;
1758 struct qlcnic_cmd_buffer *cmd_buf_arr;
1759
b2adaca9
JP		 1760 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1761 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1762 if (tx_ring == NULL)
4be41e92 1763 return -ENOMEM;
b2adaca9 1764
4be41e92
SC		 1765 adapter->tx_ring = tx_ring;
1766
1767 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1768 tx_ring = &adapter->tx_ring[ring];
1769 tx_ring->num_desc = adapter->num_txd;
1770 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1771 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1772 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1773 qlcnic_free_tx_rings(adapter);
1774 return -ENOMEM;
1775 }
1776 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1777 tx_ring->cmd_buf_arr = cmd_buf_arr;
1778 }
1779
1780 if (qlcnic_83xx_check(adapter)) {
1781 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1782 tx_ring = &adapter->tx_ring[ring];
1783 tx_ring->adapter = adapter;
1784 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1785 index = adapter->max_sds_rings + ring;
1786 vector = adapter->msix_entries[index].vector;
1787 tx_ring->irq = vector;
1788 }
1789 }
1790 }
1791 return 0;
1792}
1793
6bb58bb0 1794static int
af19b491
AKS		 1795qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1796{
1797 struct net_device *netdev = NULL;
1798 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1799 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1800 int err, pci_using_dac = -1;
c84e340a 1801 u32 capab2;
7bc48646 1802 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 1803
1804 err = pci_enable_device(pdev);
1805 if (err)
1806 return err;
1807
1808 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1809 err = -ENODEV;
1810 goto err_out_disable_pdev;
1811 }
1812
1bb09fb9
AKS		 1813 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1814 if (err)
1815 goto err_out_disable_pdev;
1816
af19b491
AKS		 1817 err = pci_request_regions(pdev, qlcnic_driver_name);
1818 if (err)
1819 goto err_out_disable_pdev;
1820
1821 pci_set_master(pdev);
451724c8 1822 pci_enable_pcie_error_reporting(pdev);
af19b491 1823
7e2cf4fe
SC		 1824 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1825 if (!ahw)
1826 goto err_out_free_res;
1827
1828 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1829 ahw->hw_ops = &qlcnic_hw_ops;
1830 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1831 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1832 qlcnic_83xx_register_map(ahw);
1833 } else {
1834 goto err_out_free_hw_res;
7e2cf4fe
SC		 1835 }
1836
1837 err = qlcnic_setup_pci_map(pdev, ahw);
1838 if (err)
1839 goto err_out_free_hw_res;
1840
af19b491
AKS		 1841 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1842 if (!netdev) {
af19b491 1843 err = -ENOMEM;
7e2cf4fe 1844 goto err_out_iounmap;
af19b491
AKS		 1845 }
1846
1847 SET_NETDEV_DEV(netdev, &pdev->dev);
1848
1849 adapter = netdev_priv(netdev);
1850 adapter->netdev = netdev;
1851 adapter->pdev = pdev;
13159183
SC		 1852 adapter->ahw = ahw;
1853
1854 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1855 if (adapter->qlcnic_wq == NULL) {
1856 dev_err(&pdev->dev, "Failed to create workqueue\n");
1857 goto err_out_free_netdev;
1858 }
af19b491 1859
2dfc9671
PST		 1860 err = qlcnic_alloc_adapter_resources(adapter);
1861 if (err)
b1fc6d3c
AC		 1862 goto err_out_free_netdev;
1863
1864 adapter->dev_rst_time = jiffies;
7e2cf4fe 1865 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1866 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1867 adapter->fdb_mac_learn = true;
1868 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1869 adapter->drv_mac_learn = true;
7e2cf4fe 1870 adapter->max_drv_tx_rings = 1;
af19b491 1871
b1fc6d3c
AC		 1872 rwlock_init(&adapter->ahw->crb_lock);
1873 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1874
1875 spin_lock_init(&adapter->tx_clean_lock);
1876 INIT_LIST_HEAD(&adapter->mac_list);
1877
7e2cf4fe 1878 if (qlcnic_82xx_check(adapter)) {
13159183 1879 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1880 adapter->portnum = adapter->ahw->pci_func;
1881 err = qlcnic_start_firmware(adapter);
1882 if (err) {
1883 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1884 goto err_out_free_hw;
1885 }
af19b491 1886
7e2cf4fe
SC		 1887 err = qlcnic_setup_idc_param(adapter);
1888 if (err)
1889 goto err_out_free_hw;
b0044bcf 1890
7e2cf4fe 1891 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1892 } else if (qlcnic_83xx_check(adapter)) {
1893 qlcnic_83xx_check_vf(adapter, ent);
1894 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1895 err = qlcnic_83xx_init(adapter);
1896 if (err) {
1897 dev_err(&pdev->dev, "%s: failed\n", __func__);
1898 goto err_out_free_hw;
1899 }
13159183
SC		 1900 } else {
1901 dev_err(&pdev->dev,
1902 "%s: failed. Please Reboot\n", __func__);
1903 goto err_out_free_hw;
a7fc948f 1904 }
af19b491 1905
da48e6c3
RB		 1906 if (qlcnic_read_mac_addr(adapter))
1907 dev_warn(&pdev->dev, "failed to read mac addr\n");
1908
1909 if (adapter->portnum == 0) {
22999798 1910 qlcnic_get_board_name(adapter, board_name);
13159183 1911
da48e6c3 1912 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1913 module_name(THIS_MODULE),
1914 board_name, adapter->ahw->revision_id);
da48e6c3 1915 }
7e2cf4fe 1916 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 1917 if (err) {
1918 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 1919 goto err_out_disable_msi;
9a97e705 1920 }
f94bc1e7 1921
13159183
SC		 1922 if (qlcnic_83xx_check(adapter)) {
1923 err = qlcnic_83xx_setup_mbx_intr(adapter);
1924 if (err)
1925 goto err_out_disable_msi;
1926 }
af19b491 1927
1bb09fb9 1928 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1929 if (err)
7e2cf4fe 1930 goto err_out_disable_mbx_intr;
af19b491 1931
c84e340a
SV		 1932 if (qlcnic_82xx_check(adapter)) {
1933 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1934 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1935 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1936 qlcnic_fw_cmd_set_drv_version(adapter);
1937 }
1938 }
1939
af19b491
AKS		 1940 pci_set_drvdata(pdev, adapter);
1941
97ee45eb
SC		 1942 if (qlcnic_82xx_check(adapter))
1943 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1944 FW_POLL_DELAY);
af19b491 1945
b1fc6d3c 1946 switch (adapter->ahw->port_type) {
af19b491
AKS		 1947 case QLCNIC_GBE:
1948 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1949 adapter->netdev->name);
1950 break;
1951 case QLCNIC_XGBE:
1952 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1953 adapter->netdev->name);
1954 break;
1955 }
1956
7e2cf4fe
SC		 1957 if (qlcnic_get_act_pci_func(adapter))
1958 goto err_out_disable_mbx_intr;
1959
fe1adc6b 1960 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 1961 qlcnic_alloc_lb_filters_mem(adapter);
1962
7e2cf4fe 1963 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1964
1965 return 0;
1966
7e2cf4fe 1967err_out_disable_mbx_intr:
7dd90cf1 1968 if (qlcnic_83xx_check(adapter))
13159183 1969 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 1970
af19b491
AKS		 1971err_out_disable_msi:
1972 qlcnic_teardown_intr(adapter);
7e2cf4fe 1973 qlcnic_cancel_idc_work(adapter);
21854f02 1974 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1975
b1fc6d3c
AC		 1976err_out_free_hw:
1977 qlcnic_free_adapter_resources(adapter);
1978
af19b491
AKS		 1979err_out_free_netdev:
1980 free_netdev(netdev);
1981
7e2cf4fe
SC		 1982err_out_iounmap:
1983 qlcnic_cleanup_pci_map(adapter);
1984
1985err_out_free_hw_res:
1986 kfree(ahw);
1987
af19b491
AKS		 1988err_out_free_res:
1989 pci_release_regions(pdev);
1990
1991err_out_disable_pdev:
1992 pci_set_drvdata(pdev, NULL);
1993 pci_disable_device(pdev);
1994 return err;
1995}
1996
6bb58bb0 1997static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 1998{
1999 struct qlcnic_adapter *adapter;
2000 struct net_device *netdev;
13159183 2001 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2002
2003 adapter = pci_get_drvdata(pdev);
2004 if (adapter == NULL)
2005 return;
2006
2007 netdev = adapter->netdev;
2008
13159183
SC		 2009 qlcnic_cancel_idc_work(adapter);
2010 ahw = adapter->ahw;
af19b491
AKS		 2011
2012 unregister_netdev(netdev);
2013
13159183 2014 if (qlcnic_83xx_check(adapter)) {
13159183 2015 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2016 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2017 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2018 }
2019
af19b491
AKS		 2020 qlcnic_detach(adapter);
2021
2e9d722d
AC		 2022 if (adapter->npars != NULL)
2023 kfree(adapter->npars);
2024 if (adapter->eswitch != NULL)
2025 kfree(adapter->eswitch);
2026
97ee45eb
SC		 2027 if (qlcnic_82xx_check(adapter))
2028 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2029
2030 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2031
b5e5492c
AKS		 2032 qlcnic_free_lb_filters_mem(adapter);
2033
af19b491
AKS		 2034 qlcnic_teardown_intr(adapter);
2035
13159183 2036 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 2037
2038 qlcnic_cleanup_pci_map(adapter);
2039
2040 qlcnic_release_firmware(adapter);
2041
451724c8 2042 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2043 pci_release_regions(pdev);
2044 pci_disable_device(pdev);
2045 pci_set_drvdata(pdev, NULL);
2046
13159183
SC		 2047 if (adapter->qlcnic_wq) {
2048 destroy_workqueue(adapter->qlcnic_wq);
2049 adapter->qlcnic_wq = NULL;
2050 }
b1fc6d3c 2051 qlcnic_free_adapter_resources(adapter);
13159183 2052 kfree(ahw);
af19b491
AKS		 2053 free_netdev(netdev);
2054}
2055static int __qlcnic_shutdown(struct pci_dev *pdev)
2056{
2057 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2058 struct net_device *netdev = adapter->netdev;
2059 int retval;
2060
2061 netif_device_detach(netdev);
2062
13159183 2063 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2064
2065 if (netif_running(netdev))
2066 qlcnic_down(adapter, netdev);
2067
97ee45eb
SC		 2068 if (qlcnic_82xx_check(adapter))
2069 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2070
2071 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2072
2073 retval = pci_save_state(pdev);
2074 if (retval)
2075 return retval;
97ee45eb
SC		 2076 if (qlcnic_82xx_check(adapter)) {
2077 if (qlcnic_wol_supported(adapter)) {
2078 pci_enable_wake(pdev, PCI_D3cold, 1);
2079 pci_enable_wake(pdev, PCI_D3hot, 1);
2080 }
af19b491
AKS		 2081 }
2082
2083 return 0;
2084}
2085
2086static void qlcnic_shutdown(struct pci_dev *pdev)
2087{
2088 if (__qlcnic_shutdown(pdev))
2089 return;
2090
2091 pci_disable_device(pdev);
2092}
2093
2094#ifdef CONFIG_PM
2095static int
2096qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2097{
2098 int retval;
2099
2100 retval = __qlcnic_shutdown(pdev);
2101 if (retval)
2102 return retval;
2103
2104 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2105 return 0;
2106}
2107
2108static int
2109qlcnic_resume(struct pci_dev *pdev)
2110{
2111 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2112 struct net_device *netdev = adapter->netdev;
2113 int err;
2114
2115 err = pci_enable_device(pdev);
2116 if (err)
2117 return err;
2118
2119 pci_set_power_state(pdev, PCI_D0);
2120 pci_set_master(pdev);
2121 pci_restore_state(pdev);
2122
13159183 2123 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2124 if (err) {
2125 dev_err(&pdev->dev, "failed to start firmware\n");
2126 return err;
2127 }
2128
2129 if (netif_running(netdev)) {
af19b491
AKS		 2130 err = qlcnic_up(adapter, netdev);
2131 if (err)
52486a3a 2132 goto done;
af19b491 2133
aec1e845 2134 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2135 }
52486a3a 2136done:
af19b491
AKS		 2137 netif_device_attach(netdev);
2138 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2139 return 0;
af19b491
AKS		 2140}
2141#endif
2142
2143static int qlcnic_open(struct net_device *netdev)
2144{
2145 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2146 int err;
2147
c55ad8e5
AKS		 2148 netif_carrier_off(netdev);
2149
af19b491
AKS		 2150 err = qlcnic_attach(adapter);
2151 if (err)
2152 return err;
2153
2154 err = __qlcnic_up(adapter, netdev);
2155 if (err)
2156 goto err_out;
2157
2158 netif_start_queue(netdev);
2159
2160 return 0;
2161
2162err_out:
2163 qlcnic_detach(adapter);
2164 return err;
2165}
2166
2167/*
2168 * qlcnic_close - Disables a network interface entry point
2169 */
2170static int qlcnic_close(struct net_device *netdev)
2171{
2172 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2173
2174 __qlcnic_down(adapter, netdev);
13159183 2175
af19b491
AKS		 2176 return 0;
2177}
2178
e5dcf6dc 2179void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2180{
2181 void *head;
2182 int i;
13159183
SC		 2183 struct net_device *netdev = adapter->netdev;
2184 u32 filter_size = 0;
2185 u16 act_pci_func = 0;
b5e5492c 2186
e5dcf6dc 2187 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2188 return;
2189
13159183 2190 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c
AKS		 2191 spin_lock_init(&adapter->mac_learn_lock);
2192
13159183
SC		 2193 if (qlcnic_82xx_check(adapter)) {
2194 filter_size = QLCNIC_LB_MAX_FILTERS;
2195 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2196 } else {
2197 filter_size = QLC_83XX_LB_MAX_FILTERS;
2198 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2199 }
2200
2201 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2202 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2203
b5e5492c
AKS		 2204 if (!head)
2205 return;
2206
13159183 2207 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2208 adapter->fhash.fhead = head;
b5e5492c 2209
13159183
SC		 2210 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2211 act_pci_func, adapter->fhash.fmax);
2212
2213 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c
AKS		 2214 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2215}
2216
2217static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2218{
2219 if (adapter->fhash.fmax && adapter->fhash.fhead)
2220 kfree(adapter->fhash.fhead);
2221
2222 adapter->fhash.fhead = NULL;
2223 adapter->fhash.fmax = 0;
2224}
2225
629263ac 2226int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2227{
2228 struct net_device *netdev = adapter->netdev;
97ee45eb 2229 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2230 int rv = 0;
2231
13159183
SC		 2232 if (qlcnic_83xx_check(adapter))
2233 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2234
97ee45eb 2235 if (qlcnic_82xx_check(adapter))
a15ebd37 2236 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2237
2238 temp_state = qlcnic_get_temp_state(temp);
2239 temp_val = qlcnic_get_temp_val(temp);
2240
2241 if (temp_state == QLCNIC_TEMP_PANIC) {
2242 dev_err(&netdev->dev,
2243 "Device temperature %d degrees C exceeds"
2244 " maximum allowed. Hardware has been shut down.\n",
2245 temp_val);
2246 rv = 1;
2247 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2248 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2249 dev_err(&netdev->dev,
2250 "Device temperature %d degrees C "
2251 "exceeds operating range."
2252 " Immediate action needed.\n",
2253 temp_val);
2254 }
2255 } else {
79788450 2256 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2257 dev_info(&netdev->dev,
2258 "Device temperature is now %d degrees C"
2259 " in normal range.\n", temp_val);
2260 }
2261 }
79788450 2262 adapter->ahw->temp = temp_state;
af19b491
AKS		 2263 return rv;
2264}
2265
af19b491
AKS		 2266static void qlcnic_tx_timeout(struct net_device *netdev)
2267{
2268 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2269
2270 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2271 return;
2272
2273 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2274
2275 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2276 adapter->need_fw_reset = 1;
2277 else
79788450 2278 adapter->ahw->reset_context = 1;
af19b491
AKS		 2279}
2280
2281static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2282{
2283 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2284 struct net_device_stats *stats = &netdev->stats;
2285
af19b491
AKS		 2286 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2287 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2288 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2289 stats->tx_bytes = adapter->stats.txbytes;
2290 stats->rx_dropped = adapter->stats.rxdropped;
2291 stats->tx_dropped = adapter->stats.txdropped;
2292
2293 return stats;
2294}
2295
7e2cf4fe 2296irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2297{
af19b491
AKS		 2298 u32 status;
2299
2300 status = readl(adapter->isr_int_vec);
2301
79788450 2302 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2303 return IRQ_NONE;
2304
2305 /* check interrupt state machine, to be sure */
2306 status = readl(adapter->crb_int_state_reg);
2307 if (!ISR_LEGACY_INT_TRIGGERED(status))
2308 return IRQ_NONE;
2309
2310 writel(0xffffffff, adapter->tgt_status_reg);
2311 /* read twice to ensure write is flushed */
2312 readl(adapter->isr_int_vec);
2313 readl(adapter->isr_int_vec);
2314
7eb9855d
AKS		 2315 return IRQ_HANDLED;
2316}
2317
2318static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2319{
2320 struct qlcnic_host_sds_ring *sds_ring = data;
2321 struct qlcnic_adapter *adapter = sds_ring->adapter;
2322
2323 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2324 goto done;
2325 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2326 writel(0xffffffff, adapter->tgt_status_reg);
2327 goto done;
2328 }
2329
2330 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2331 return IRQ_NONE;
2332
2333done:
79788450 2334 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2335 qlcnic_enable_int(sds_ring);
2336 return IRQ_HANDLED;
2337}
2338
2339static irqreturn_t qlcnic_intr(int irq, void *data)
2340{
2341 struct qlcnic_host_sds_ring *sds_ring = data;
2342 struct qlcnic_adapter *adapter = sds_ring->adapter;
2343
2344 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2345 return IRQ_NONE;
2346
af19b491
AKS		 2347 napi_schedule(&sds_ring->napi);
2348
2349 return IRQ_HANDLED;
2350}
2351
2352static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2353{
2354 struct qlcnic_host_sds_ring *sds_ring = data;
2355 struct qlcnic_adapter *adapter = sds_ring->adapter;
2356
2357 /* clear interrupt */
2358 writel(0xffffffff, adapter->tgt_status_reg);
2359
2360 napi_schedule(&sds_ring->napi);
2361 return IRQ_HANDLED;
2362}
2363
2364static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2365{
2366 struct qlcnic_host_sds_ring *sds_ring = data;
2367
2368 napi_schedule(&sds_ring->napi);
2369 return IRQ_HANDLED;
2370}
2371
13159183
SC		 2372static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2373{
2374 struct qlcnic_host_tx_ring *tx_ring = data;
2375
2376 napi_schedule(&tx_ring->napi);
2377 return IRQ_HANDLED;
2378}
2379
af19b491
AKS		 2380#ifdef CONFIG_NET_POLL_CONTROLLER
2381static void qlcnic_poll_controller(struct net_device *netdev)
2382{
bf82791e
YL		 2383 int ring;
2384 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2385 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2386 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2387
af19b491 2388 disable_irq(adapter->irq);
bf82791e
YL		 2389 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2390 sds_ring = &recv_ctx->sds_rings[ring];
2391 qlcnic_intr(adapter->irq, sds_ring);
2392 }
af19b491
AKS		 2393 enable_irq(adapter->irq);
2394}
2395#endif
2396
6df900e9
SC		 2397static void
2398qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2399{
2400 u32 val;
2401
2402 val = adapter->portnum & 0xf;
2403 val |= encoding << 7;
2404 val |= (jiffies - adapter->dev_rst_time) << 8;
2405
a15ebd37 2406 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2407 adapter->dev_rst_time = jiffies;
2408}
2409
ade91f8e
AKS		 2410static int
2411qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2412{
2413 u32 val;
2414
2415 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2416 state != QLCNIC_DEV_NEED_QUISCENT);
2417
2418 if (qlcnic_api_lock(adapter))
ade91f8e 2419 return -EIO;
af19b491 2420
a15ebd37 2421 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2422
2423 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2424 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2425 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2426 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2427
a15ebd37 2428 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2429
2430 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2431
2432 return 0;
af19b491
AKS		 2433}
2434
1b95a839
AKS		 2435static int
2436qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2437{
2438 u32 val;
2439
2440 if (qlcnic_api_lock(adapter))
2441 return -EBUSY;
2442
a15ebd37 2443 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2444 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2445 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2446
2447 qlcnic_api_unlock(adapter);
2448
2449 return 0;
2450}
2451
af19b491 2452static void
21854f02 2453qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2454{
2455 u32 val;
2456
2457 if (qlcnic_api_lock(adapter))
2458 goto err;
2459
a15ebd37 2460 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2461 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2462 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2463
21854f02 2464 if (failed) {
a15ebd37
HM		 2465 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2466 QLCNIC_DEV_FAILED);
21854f02
AKS		 2467 dev_info(&adapter->pdev->dev,
2468 "Device state set to Failed. Please Reboot\n");
2469 } else if (!(val & 0x11111111))
a15ebd37
HM		 2470 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2471 QLCNIC_DEV_COLD);
af19b491 2472
a15ebd37 2473 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2474 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2475 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2476
2477 qlcnic_api_unlock(adapter);
2478err:
2479 adapter->fw_fail_cnt = 0;
032a13c7 2480 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2481 clear_bit(__QLCNIC_START_FW, &adapter->state);
2482 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2483}
2484
f73dfc50 2485/* Grab api lock, before checking state */
af19b491
AKS		 2486static int
2487qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2488{
602ca6f0 2489 int act, state, active_mask;
a15ebd37 2490 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2491
a15ebd37
HM		 2492 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2493 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2494
602ca6f0 2495 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2496 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2497 act = act & active_mask;
2498 }
2499
af19b491
AKS		 2500 if (((state & 0x11111111) == (act & 0x11111111)) ||
2501 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2502 return 0;
2503 else
2504 return 1;
2505}
2506
96f8118c
SC		 2507static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2508{
a15ebd37 2509 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2510
2511 if (val != QLCNIC_DRV_IDC_VER) {
2512 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2513 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2514 }
2515
2516 return 0;
2517}
2518
af19b491
AKS		 2519static int
2520qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2521{
2522 u32 val, prev_state;
aa5e18c0 2523 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2524 u8 portnum = adapter->portnum;
96f8118c 2525 u8 ret;
af19b491 2526
f73dfc50
AKS		 2527 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2528 return 1;
2529
af19b491
AKS		 2530 if (qlcnic_api_lock(adapter))
2531 return -1;
2532
a15ebd37 2533 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2534 if (!(val & (1 << (portnum * 4)))) {
2535 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2536 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2537 }
2538
a15ebd37 2539 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2540 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2541
2542 switch (prev_state) {
2543 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2544 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2545 QLCNIC_DEV_INITIALIZING);
2546 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2547 QLCNIC_DRV_IDC_VER);
6df900e9 2548 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2549 qlcnic_api_unlock(adapter);
2550 return 1;
2551
2552 case QLCNIC_DEV_READY:
96f8118c 2553 ret = qlcnic_check_idc_ver(adapter);
af19b491 2554 qlcnic_api_unlock(adapter);
96f8118c 2555 return ret;
af19b491
AKS		 2556
2557 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2558 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2559 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2560 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2561 break;
2562
2563 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2564 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2565 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2566 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2567 break;
2568
2569 case QLCNIC_DEV_FAILED:
a7fc948f 2570 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2571 qlcnic_api_unlock(adapter);
2572 return -1;
bbd8c6a4
AKS		 2573
2574 case QLCNIC_DEV_INITIALIZING:
2575 case QLCNIC_DEV_QUISCENT:
2576 break;
af19b491
AKS		 2577 }
2578
2579 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2580
2581 do {
af19b491 2582 msleep(1000);
a15ebd37 2583 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2584
2585 if (prev_state == QLCNIC_DEV_QUISCENT)
2586 continue;
2587 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2588
65b5b420
AKS		 2589 if (!dev_init_timeo) {
2590 dev_err(&adapter->pdev->dev,
2591 "Waiting for device to initialize timeout\n");
af19b491 2592 return -1;
65b5b420 2593 }
af19b491
AKS		 2594
2595 if (qlcnic_api_lock(adapter))
2596 return -1;
2597
a15ebd37 2598 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2599 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2600 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2601
96f8118c 2602 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2603 qlcnic_api_unlock(adapter);
2604
96f8118c 2605 return ret;
af19b491
AKS		 2606}
2607
2608static void
2609qlcnic_fwinit_work(struct work_struct *work)
2610{
2611 struct qlcnic_adapter *adapter = container_of(work,
2612 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2613 u32 dev_state = 0xf;
7b749ff4 2614 u32 val;
af19b491 2615
f73dfc50
AKS		 2616 if (qlcnic_api_lock(adapter))
2617 goto err_ret;
af19b491 2618
a15ebd37 2619 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2620 if (dev_state == QLCNIC_DEV_QUISCENT ||
2621 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2622 qlcnic_api_unlock(adapter);
2623 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2624 FW_POLL_DELAY * 2);
2625 return;
2626 }
2627
79788450 2628 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2629 qlcnic_api_unlock(adapter);
2630 goto wait_npar;
9f26f547
AC		 2631 }
2632
16e3cf73
SV		 2633 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2634 dev_state == QLCNIC_DEV_READY) {
2635 dev_info(&adapter->pdev->dev, "Detected state change from "
2636 "DEV_NEED_RESET, skipping ack check\n");
2637 goto skip_ack_check;
2638 }
2639
f73dfc50 2640 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2641 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2642 adapter->reset_ack_timeo);
2643 goto skip_ack_check;
2644 }
2645
2646 if (!qlcnic_check_drv_state(adapter)) {
2647skip_ack_check:
a15ebd37 2648 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2649
f73dfc50 2650 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2651 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2652 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2653 set_bit(__QLCNIC_START_FW, &adapter->state);
2654 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2655 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2656 val = QLC_SHARED_REG_RD32(adapter,
2657 QLCNIC_CRB_DRV_STATE);
7b749ff4 2658 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2659 QLC_SHARED_REG_WR32(adapter,
2660 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2661 }
2662
f73dfc50
AKS		 2663 qlcnic_api_unlock(adapter);
2664
287e38aa 2665 rtnl_lock();
7b749ff4
SV		 2666 if (adapter->ahw->fw_dump.enable &&
2667 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2668 QLCDB(adapter, DRV, "Take FW dump\n");
2669 qlcnic_dump_fw(adapter);
032a13c7 2670 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2671 }
287e38aa 2672 rtnl_unlock();
7b749ff4
SV		 2673
2674 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2675 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2676 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2677 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2678 return;
2679 }
af19b491
AKS		 2680 goto err_ret;
2681 }
2682
f73dfc50 2683 qlcnic_api_unlock(adapter);
aa5e18c0 2684
9f26f547 2685wait_npar:
a15ebd37 2686 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2687 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2688
af19b491 2689 switch (dev_state) {
3c4b23b1 2690 case QLCNIC_DEV_READY:
7e2cf4fe 2691 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2692 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2693 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2694 return;
2695 }
3c4b23b1
AKS		 2696 case QLCNIC_DEV_FAILED:
2697 break;
2698 default:
2699 qlcnic_schedule_work(adapter,
2700 qlcnic_fwinit_work, FW_POLL_DELAY);
2701 return;
af19b491
AKS		 2702 }
2703
2704err_ret:
f73dfc50
AKS		 2705 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2706 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2707 netif_device_attach(adapter->netdev);
21854f02 2708 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2709}
2710
2711static void
2712qlcnic_detach_work(struct work_struct *work)
2713{
2714 struct qlcnic_adapter *adapter = container_of(work,
2715 struct qlcnic_adapter, fw_work.work);
2716 struct net_device *netdev = adapter->netdev;
2717 u32 status;
2718
2719 netif_device_detach(netdev);
2720
b8c17620
AKS		 2721 /* Dont grab rtnl lock during Quiscent mode */
2722 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2723 if (netif_running(netdev))
2724 __qlcnic_down(adapter, netdev);
2725 } else
2726 qlcnic_down(adapter, netdev);
af19b491 2727
a15ebd37 2728 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2729
44f65b29
SC		 2730 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2731 dev_err(&adapter->pdev->dev,
2732 "Detaching the device: peg halt status1=0x%x\n",
2733 status);
2734
2735 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2736 dev_err(&adapter->pdev->dev,
2737 "On board active cooling fan failed. "
2738 "Device has been halted.\n");
2739 dev_err(&adapter->pdev->dev,
2740 "Replace the adapter.\n");
2741 }
2742
af19b491 2743 goto err_ret;
44f65b29 2744 }
af19b491 2745
79788450 2746 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2747 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2748 adapter->ahw->temp);
af19b491 2749 goto err_ret;
44f65b29
SC		 2750 }
2751
602ca6f0
SV		 2752 /* Dont ack if this instance is the reset owner */
2753 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2754 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2755 dev_err(&adapter->pdev->dev,
2756 "Failed to set driver state,"
2757 "detaching the device.\n");
602ca6f0 2758 goto err_ret;
44f65b29 2759 }
602ca6f0 2760 }
af19b491
AKS		 2761
2762 adapter->fw_wait_cnt = 0;
2763
2764 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2765
2766 return;
2767
2768err_ret:
34ce3626 2769 netif_device_attach(netdev);
21854f02 2770 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2771}
2772
3c4b23b1
AKS		 2773/*Transit NPAR state to NON Operational */
2774static void
2775qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2776{
2777 u32 state;
2778
a15ebd37 2779 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2780 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2781 return;
2782
2783 if (qlcnic_api_lock(adapter))
2784 return;
a15ebd37
HM		 2785 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2786 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2787 qlcnic_api_unlock(adapter);
2788}
2789
7e2cf4fe 2790void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2791{
646779f1
SV		 2792 u32 state, xg_val = 0, gb_val = 0;
2793
2794 qlcnic_xg_set_xg0_mask(xg_val);
2795 qlcnic_xg_set_xg1_mask(xg_val);
2796 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2797 qlcnic_gb_set_gb0_mask(gb_val);
2798 qlcnic_gb_set_gb1_mask(gb_val);
2799 qlcnic_gb_set_gb2_mask(gb_val);
2800 qlcnic_gb_set_gb3_mask(gb_val);
2801 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2802 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2803 " on all ports\n");
cea8975e 2804 adapter->need_fw_reset = 1;
13159183 2805
af19b491
AKS		 2806 if (qlcnic_api_lock(adapter))
2807 return;
2808
13159183 2809 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2810
f73dfc50 2811 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2812 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2813 QLCNIC_DEV_NEED_RESET);
602ca6f0 2814 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2815 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2816 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2817 }
2818
13159183
SC		 2819 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2820 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2821 qlcnic_api_unlock(adapter);
2822}
2823
9f26f547
AC		 2824/* Transit to NPAR READY state from NPAR NOT READY state */
2825static void
2826qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2827{
9f26f547
AC		 2828 if (qlcnic_api_lock(adapter))
2829 return;
2830
a15ebd37
HM		 2831 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2832 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2833 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2834
2835 qlcnic_api_unlock(adapter);
2836}
2837
13159183
SC		 2838void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2839 work_func_t func, int delay)
af19b491 2840{
451724c8
SC		 2841 if (test_bit(__QLCNIC_AER, &adapter->state))
2842 return;
2843
af19b491 2844 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2845 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2846 round_jiffies_relative(delay));
af19b491
AKS		 2847}
2848
2849static void
2850qlcnic_attach_work(struct work_struct *work)
2851{
2852 struct qlcnic_adapter *adapter = container_of(work,
2853 struct qlcnic_adapter, fw_work.work);
2854 struct net_device *netdev = adapter->netdev;
b18971d1 2855 u32 npar_state;
af19b491 2856
79788450 2857 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2858 npar_state = QLC_SHARED_REG_RD32(adapter,
2859 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2860 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2861 qlcnic_clr_all_drv_state(adapter, 0);
2862 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2863 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2864 FW_POLL_DELAY);
2865 else
2866 goto attach;
2867 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2868 return;
2869 }
2870attach:
af19b491 2871 if (netif_running(netdev)) {
52486a3a 2872 if (qlcnic_up(adapter, netdev))
af19b491 2873 goto done;
af19b491 2874
aec1e845 2875 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2876 }
2877
af19b491 2878done:
34ce3626 2879 netif_device_attach(netdev);
af19b491 2880 adapter->fw_fail_cnt = 0;
032a13c7 2881 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2882 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2883
2884 if (!qlcnic_clr_drv_state(adapter))
2885 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2886 FW_POLL_DELAY);
af19b491
AKS		 2887}
2888
2889static int
2890qlcnic_check_health(struct qlcnic_adapter *adapter)
2891{
4e70812b 2892 u32 state = 0, heartbeat;
853d4bca 2893 u32 peg_status;
af19b491
AKS		 2894
2895 if (qlcnic_check_temp(adapter))
2896 goto detach;
2897
2372a5f1 2898 if (adapter->need_fw_reset)
7e2cf4fe 2899 qlcnic_dev_request_reset(adapter, 0);
af19b491 2900
a15ebd37 2901 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2902 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2903 qlcnic_set_npar_non_operational(adapter);
af19b491 2904 adapter->need_fw_reset = 1;
b8c17620
AKS		 2905 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2906 goto detach;
af19b491 2907
a15ebd37 2908 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2909 if (heartbeat != adapter->heartbeat) {
2910 adapter->heartbeat = heartbeat;
af19b491
AKS		 2911 adapter->fw_fail_cnt = 0;
2912 if (adapter->need_fw_reset)
2913 goto detach;
68bf1c68 2914
099f7aa7 2915 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2916 qlcnic_reset_hw_context(adapter);
2917 adapter->netdev->trans_start = jiffies;
2918 }
2919
af19b491
AKS		 2920 return 0;
2921 }
2922
2923 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2924 return 0;
2925
032a13c7
SV		 2926 adapter->flags |= QLCNIC_FW_HANG;
2927
7e2cf4fe 2928 qlcnic_dev_request_reset(adapter, 0);
af19b491 2929
099f7aa7 2930 if (qlcnic_auto_fw_reset)
0df170b6 2931 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2932
853d4bca 2933 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2934 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2935 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2936 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2937 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2938 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2939 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2940 peg_status,
2941 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2942 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2943 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2944 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2945 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2946 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2947 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2948 dev_err(&adapter->pdev->dev,
2949 "Firmware aborted with error code 0x00006700. "
2950 "Device is being reset.\n");
af19b491
AKS		 2951detach:
2952 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2953 QLCNIC_DEV_NEED_RESET;
2954
099f7aa7
SC		 2955 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2956 &adapter->state)) {
65b5b420 2957
af19b491 2958 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2959 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2960 }
af19b491
AKS		 2961
2962 return 1;
2963}
2964
2965static void
2966qlcnic_fw_poll_work(struct work_struct *work)
2967{
2968 struct qlcnic_adapter *adapter = container_of(work,
2969 struct qlcnic_adapter, fw_work.work);
2970
2971 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2972 goto reschedule;
2973
2974
2975 if (qlcnic_check_health(adapter))
2976 return;
2977
b5e5492c
AKS		 2978 if (adapter->fhash.fnum)
2979 qlcnic_prune_lb_filters(adapter);
2980
af19b491
AKS		 2981reschedule:
2982 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2983}
2984
451724c8
SC		 2985static int qlcnic_is_first_func(struct pci_dev *pdev)
2986{
2987 struct pci_dev *oth_pdev;
2988 int val = pdev->devfn;
2989
2990 while (val-- > 0) {
2991 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2992 (pdev->bus), pdev->bus->number,
2993 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 2994 if (!oth_pdev)
2995 continue;
451724c8 2996
bfc978fa
AKS		 2997 if (oth_pdev->current_state != PCI_D3cold) {
2998 pci_dev_put(oth_pdev);
451724c8 2999 return 0;
bfc978fa
AKS		 3000 }
3001 pci_dev_put(oth_pdev);
451724c8
SC		 3002 }
3003 return 1;
3004}
3005
3006static int qlcnic_attach_func(struct pci_dev *pdev)
3007{
3008 int err, first_func;
3009 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3010 struct net_device *netdev = adapter->netdev;
3011
3012 pdev->error_state = pci_channel_io_normal;
3013
3014 err = pci_enable_device(pdev);
3015 if (err)
3016 return err;
3017
3018 pci_set_power_state(pdev, PCI_D0);
3019 pci_set_master(pdev);
3020 pci_restore_state(pdev);
3021
3022 first_func = qlcnic_is_first_func(pdev);
3023
3024 if (qlcnic_api_lock(adapter))
3025 return -EINVAL;
3026
79788450 3027 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3028 adapter->need_fw_reset = 1;
3029 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3030 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3031 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3032 QLCDB(adapter, DRV, "Restarting fw\n");
3033 }
3034 qlcnic_api_unlock(adapter);
3035
13159183 3036 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3037 if (err)
3038 return err;
3039
3040 qlcnic_clr_drv_state(adapter);
13159183
SC		 3041 kfree(adapter->msix_entries);
3042 adapter->msix_entries = NULL;
3043 err = qlcnic_setup_intr(adapter, 0);
3044
9a97e705
M		 3045 if (err) {
3046 kfree(adapter->msix_entries);
3047 netdev_err(netdev, "failed to setup interrupt\n");
3048 return err;
3049 }
3050
13159183 3051 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3052 /* register for NIC IDC AEN Events */
3053 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3054 err = qlcnic_83xx_setup_mbx_intr(adapter);
3055 if (err) {
3056 dev_err(&adapter->pdev->dev,
3057 "failed to setup mbx interrupt\n");
3058 qlcnic_clr_all_drv_state(adapter, 1);
3059 clear_bit(__QLCNIC_AER, &adapter->state);
3060 goto done;
3061 }
3062 }
451724c8
SC		 3063
3064 if (netif_running(netdev)) {
3065 err = qlcnic_attach(adapter);
3066 if (err) {
21854f02 3067 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3068 clear_bit(__QLCNIC_AER, &adapter->state);
3069 netif_device_attach(netdev);
3070 return err;
3071 }
3072
3073 err = qlcnic_up(adapter, netdev);
3074 if (err)
3075 goto done;
3076
aec1e845 3077 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3078 }
3079 done:
3080 netif_device_attach(netdev);
3081 return err;
3082}
3083
3084static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3085 pci_channel_state_t state)
3086{
3087 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3088 struct net_device *netdev = adapter->netdev;
3089
3090 if (state == pci_channel_io_perm_failure)
3091 return PCI_ERS_RESULT_DISCONNECT;
3092
3093 if (state == pci_channel_io_normal)
3094 return PCI_ERS_RESULT_RECOVERED;
3095
3096 set_bit(__QLCNIC_AER, &adapter->state);
3097 netif_device_detach(netdev);
3098
3099 cancel_delayed_work_sync(&adapter->fw_work);
3100
3101 if (netif_running(netdev))
3102 qlcnic_down(adapter, netdev);
3103
13159183 3104 if (qlcnic_83xx_check(adapter)) {
13159183 3105 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3106 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3107 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3108 }
3109
451724c8
SC		 3110 qlcnic_detach(adapter);
3111 qlcnic_teardown_intr(adapter);
3112
3113 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3114
3115 pci_save_state(pdev);
3116 pci_disable_device(pdev);
3117
3118 return PCI_ERS_RESULT_NEED_RESET;
3119}
3120
3121static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3122{
3123 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3124 PCI_ERS_RESULT_RECOVERED;
3125}
3126
3127static void qlcnic_io_resume(struct pci_dev *pdev)
3128{
a15ebd37 3129 u32 state;
451724c8
SC		 3130 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3131
3132 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3133 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3134 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3135 &adapter->state))
451724c8
SC		 3136 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3137 FW_POLL_DELAY);
3138}
3139
87eb743b
AC		 3140static int
3141qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3142{
3143 int err;
3144
3145 err = qlcnic_can_start_firmware(adapter);
3146 if (err)
3147 return err;
3148
78f84e1a
AKS		 3149 err = qlcnic_check_npar_opertional(adapter);
3150 if (err)
3151 return err;
3c4b23b1 3152
174240a8
RB		 3153 err = qlcnic_initialize_nic(adapter);
3154 if (err)
3155 return err;
3156
87eb743b
AC		 3157 qlcnic_check_options(adapter);
3158
7373373d
RB		 3159 err = qlcnic_set_eswitch_port_config(adapter);
3160 if (err)
3161 return err;
3162
87eb743b
AC		 3163 adapter->need_fw_reset = 0;
3164
3165 return err;
3166}
3167
319ecf12 3168int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3169{
319ecf12
SC		 3170 u32 max_allowed;
3171
3172 if (max_hw > QLC_MAX_SDS_RINGS) {
3173 max_hw = QLC_MAX_SDS_RINGS;
3174 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3175 }
3176
319ecf12
SC		 3177 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3178 num_online_cpus()));
3179 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3180 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3181 max_allowed);
f94bc1e7
SC		 3182 return -EINVAL;
3183 }
3184 return 0;
f94bc1e7
SC		 3185}
3186
319ecf12 3187int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3188{
13159183 3189 int err;
f94bc1e7 3190 struct net_device *netdev = adapter->netdev;
f94bc1e7 3191
319ecf12
SC		 3192 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3193 return -EBUSY;
3194
f94bc1e7
SC		 3195 netif_device_detach(netdev);
3196 if (netif_running(netdev))
3197 __qlcnic_down(adapter, netdev);
13159183 3198
7dd90cf1
SC		 3199 qlcnic_detach(adapter);
3200
3201 if (qlcnic_83xx_check(adapter))
13159183 3202 qlcnic_83xx_free_mbx_intr(adapter);
13159183 3203
f94bc1e7 3204 qlcnic_teardown_intr(adapter);
319ecf12 3205 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3206 if (err) {
3207 kfree(adapter->msix_entries);
3208 netdev_err(netdev, "failed to setup interrupt\n");
3209 return err;
3210 }
f94bc1e7 3211
13159183 3212 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3213 /* register for NIC IDC AEN Events */
3214 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3215 err = qlcnic_83xx_setup_mbx_intr(adapter);
3216 if (err) {
3217 dev_err(&adapter->pdev->dev,
3218 "failed to setup mbx interrupt\n");
3219 goto done;
3220 }
f94bc1e7
SC		 3221 }
3222
3223 if (netif_running(netdev)) {
3224 err = qlcnic_attach(adapter);
3225 if (err)
3226 goto done;
3227 err = __qlcnic_up(adapter, netdev);
3228 if (err)
3229 goto done;
3230 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3231 }
319ecf12 3232 err = len;
f94bc1e7
SC		 3233 done:
3234 netif_device_attach(netdev);
3235 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3236 return err;
3237}
3238
af19b491
AKS		 3239#ifdef CONFIG_INET
3240
3241#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3242
af19b491 3243static void
aec1e845
AKS		 3244qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3245 struct net_device *dev, unsigned long event)
af19b491
AKS		 3246{
3247 struct in_device *indev;
af19b491 3248
af19b491
AKS		 3249 indev = in_dev_get(dev);
3250 if (!indev)
3251 return;
3252
3253 for_ifa(indev) {
3254 switch (event) {
3255 case NETDEV_UP:
3256 qlcnic_config_ipaddr(adapter,
3257 ifa->ifa_address, QLCNIC_IP_UP);
3258 break;
3259 case NETDEV_DOWN:
3260 qlcnic_config_ipaddr(adapter,
3261 ifa->ifa_address, QLCNIC_IP_DOWN);
3262 break;
3263 default:
3264 break;
3265 }
3266 } endfor_ifa(indev);
3267
3268 in_dev_put(indev);
af19b491
AKS		 3269}
3270
319ecf12 3271void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3272{
3273 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3274 struct net_device *dev;
3275 u16 vid;
3276
3277 qlcnic_config_indev_addr(adapter, netdev, event);
3278
43c00a75 3279 rcu_read_lock();
b9796a14 3280 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3281 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3282 if (!dev)
3283 continue;
aec1e845
AKS		 3284 qlcnic_config_indev_addr(adapter, dev, event);
3285 }
43c00a75 3286 rcu_read_unlock();
aec1e845
AKS		 3287}
3288
af19b491
AKS		 3289static int qlcnic_netdev_event(struct notifier_block *this,
3290 unsigned long event, void *ptr)
3291{
3292 struct qlcnic_adapter *adapter;
3293 struct net_device *dev = (struct net_device *)ptr;
3294
3295recheck:
3296 if (dev == NULL)
3297 goto done;
3298
3299 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3300 dev = vlan_dev_real_dev(dev);
3301 goto recheck;
3302 }
3303
3304 if (!is_qlcnic_netdev(dev))
3305 goto done;
3306
3307 adapter = netdev_priv(dev);
3308
3309 if (!adapter)
3310 goto done;
3311
8a15ad1f 3312 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3313 goto done;
3314
aec1e845 3315 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3316done:
3317 return NOTIFY_DONE;
3318}
3319
3320static int
3321qlcnic_inetaddr_event(struct notifier_block *this,
3322 unsigned long event, void *ptr)
3323{
3324 struct qlcnic_adapter *adapter;
3325 struct net_device *dev;
3326
3327 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3328
3329 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3330
3331recheck:
aec1e845 3332 if (dev == NULL)
af19b491
AKS		 3333 goto done;
3334
3335 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3336 dev = vlan_dev_real_dev(dev);
3337 goto recheck;
3338 }
3339
3340 if (!is_qlcnic_netdev(dev))
3341 goto done;
3342
3343 adapter = netdev_priv(dev);
3344
251a84c9 3345 if (!adapter)
af19b491
AKS		 3346 goto done;
3347
8a15ad1f 3348 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3349 goto done;
3350
3351 switch (event) {
3352 case NETDEV_UP:
3353 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3354
af19b491
AKS		 3355 break;
3356 case NETDEV_DOWN:
3357 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3358
af19b491
AKS		 3359 break;
3360 default:
3361 break;
3362 }
3363
3364done:
3365 return NOTIFY_DONE;
3366}
3367
3368static struct notifier_block qlcnic_netdev_cb = {
3369 .notifier_call = qlcnic_netdev_event,
3370};
3371
3372static struct notifier_block qlcnic_inetaddr_cb = {
3373 .notifier_call = qlcnic_inetaddr_event,
3374};
3375#else
f8ca2b6f 3376void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3377{ }
3378#endif
fec9dd15 3379static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3380 .error_detected = qlcnic_io_error_detected,
3381 .slot_reset = qlcnic_io_slot_reset,
3382 .resume = qlcnic_io_resume,
3383};
af19b491
AKS		 3384
3385static struct pci_driver qlcnic_driver = {
3386 .name = qlcnic_driver_name,
3387 .id_table = qlcnic_pci_tbl,
3388 .probe = qlcnic_probe,
6bb58bb0 3389 .remove = qlcnic_remove,
af19b491
AKS		 3390#ifdef CONFIG_PM
3391 .suspend = qlcnic_suspend,
3392 .resume = qlcnic_resume,
3393#endif
451724c8
SC		 3394 .shutdown = qlcnic_shutdown,
3395 .err_handler = &qlcnic_err_handler
3396
af19b491
AKS		 3397};
3398
3399static int __init qlcnic_init_module(void)
3400{
0cf3a14c 3401 int ret;
af19b491
AKS		 3402
3403 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3404
3405#ifdef CONFIG_INET
3406 register_netdevice_notifier(&qlcnic_netdev_cb);
3407 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3408#endif
3409
0cf3a14c
AKS		 3410 ret = pci_register_driver(&qlcnic_driver);
3411 if (ret) {
3412#ifdef CONFIG_INET
3413 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3414 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3415#endif
3416 }
af19b491 3417
0cf3a14c 3418 return ret;
af19b491
AKS		 3419}
3420
3421module_init(qlcnic_init_module);
3422
3423static void __exit qlcnic_exit_module(void)
3424{
af19b491
AKS		 3425 pci_unregister_driver(&qlcnic_driver);
3426
3427#ifdef CONFIG_INET
3428 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3429 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3430#endif
3431}
3432
3433module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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