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qlcnic: Fix RX/TX checksum setting for some adapter types
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129
SV		 2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
a15ebd37 12#include "qlcnic_hw.h"
af19b491 13
7e56cac4 14#include <linux/swab.h>
af19b491 15#include <linux/dma-mapping.h>
13159183 16#include <linux/if_vlan.h>
af19b491
AKS		 17#include <net/ip.h>
18#include <linux/ipv6.h>
19#include <linux/inetdevice.h>
451724c8 20#include <linux/aer.h>
f94bc1e7 21#include <linux/log2.h>
47caf255 22#include <linux/pci.h>
af19b491 23
7f9a0c34 24MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 25MODULE_LICENSE("GPL");
26MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
27MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
28
29char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 30static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 32
b5e5492c 33static int qlcnic_mac_learn;
b11a25aa 34module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 35MODULE_PARM_DESC(qlcnic_mac_learn,
36 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 37
629263ac 38int qlcnic_use_msi = 1;
af19b491 39MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
099f7aa7 40module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 41
629263ac 42int qlcnic_use_msi_x = 1;
af19b491 43MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
099f7aa7 44module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 45
629263ac 46int qlcnic_auto_fw_reset = 1;
af19b491 47MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
099f7aa7 48module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 49
629263ac 50int qlcnic_load_fw_file;
4d5bdb38 51MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 52module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 53
629263ac 54int qlcnic_config_npars;
b11a25aa 55module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 56MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
57
1dd06ae8 58static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 59static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 60static int qlcnic_open(struct net_device *netdev);
61static int qlcnic_close(struct net_device *netdev);
af19b491 62static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 63static void qlcnic_attach_work(struct work_struct *work);
64static void qlcnic_fwinit_work(struct work_struct *work);
65static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 66#ifdef CONFIG_NET_POLL_CONTROLLER
67static void qlcnic_poll_controller(struct net_device *netdev);
68#endif
69
6df900e9 70static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 71static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 72static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
73
7eb9855d 74static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 75static irqreturn_t qlcnic_intr(int irq, void *data);
76static irqreturn_t qlcnic_msi_intr(int irq, void *data);
77static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 78static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 79
80static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 81static int qlcnic_start_firmware(struct qlcnic_adapter *);
82
b5e5492c 83static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 84static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 85static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 86static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
87 struct qlcnic_esw_func_cfg *);
8e586137
JP		 88static int qlcnic_vlan_rx_add(struct net_device *, u16);
89static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 90
bff57d8e
SC		 91#define QLCNIC_IS_TSO_CAPABLE(adapter) \
92 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
93
13159183
SC		 94static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
95{
96 struct qlcnic_hardware_context *ahw = adapter->ahw;
97
98 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
99 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
100 else
101 return 1;
102}
103
af19b491
AKS		 104/* PCI Device ID Table */
105#define ENTRY(device) \
106 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
107 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
108
6a902881 109static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
af19b491
AKS		 112 {0,}
113};
114
115MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
116
117
5ad6ff9d 118inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 119{
120 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 121}
122
123static const u32 msi_tgt_status[8] = {
124 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
125 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
126 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
127 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
128};
129
7e2cf4fe
SC		 130static const u32 qlcnic_reg_tbl[] = {
131 0x1B20A8, /* PEG_HALT_STAT1 */
132 0x1B20AC, /* PEG_HALT_STAT2 */
133 0x1B20B0, /* FW_HEARTBEAT */
134 0x1B2100, /* LOCK ID */
135 0x1B2128, /* FW_CAPABILITIES */
136 0x1B2138, /* drv active */
137 0x1B2140, /* dev state */
138 0x1B2144, /* drv state */
139 0x1B2148, /* drv scratch */
140 0x1B214C, /* dev partition info */
141 0x1B2174, /* drv idc ver */
142 0x1B2150, /* fw version major */
143 0x1B2154, /* fw version minor */
144 0x1B2158, /* fw version sub */
145 0x1B219C, /* npar state */
146 0x1B21FC, /* FW_IMG_VALID */
147 0x1B2250, /* CMD_PEG_STATE */
148 0x1B233C, /* RCV_PEG_STATE */
149 0x1B23B4, /* ASIC TEMP */
150 0x1B216C, /* FW api */
151 0x1B2170, /* drv op mode */
152 0x13C010, /* flash lock */
153 0x13C014, /* flash unlock */
154};
155
22999798
SC		 156static const struct qlcnic_board_info qlcnic_boards[] = {
157 {0x1077, 0x8020, 0x1077, 0x203,
158 "8200 Series Single Port 10GbE Converged Network Adapter"
159 "(TCP/IP Networking)"},
160 {0x1077, 0x8020, 0x1077, 0x207,
161 "8200 Series Dual Port 10GbE Converged Network Adapter"
162 "(TCP/IP Networking)"},
163 {0x1077, 0x8020, 0x1077, 0x20b,
164 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
165 {0x1077, 0x8020, 0x1077, 0x20c,
166 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
167 {0x1077, 0x8020, 0x1077, 0x20f,
168 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
169 {0x1077, 0x8020, 0x103c, 0x3733,
170 "NC523SFP 10Gb 2-port Server Adapter"},
171 {0x1077, 0x8020, 0x103c, 0x3346,
172 "CN1000Q Dual Port Converged Network Adapter"},
173 {0x1077, 0x8020, 0x1077, 0x210,
174 "QME8242-k 10GbE Dual Port Mezzanine Card"},
175 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
176};
177
178#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 179#define QLC_MAX_SDS_RINGS 8
22999798 180
af19b491
AKS		 181static const
182struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
183
c70001a9 184int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 185{
186 int size = sizeof(struct qlcnic_host_sds_ring) * count;
187
188 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
189
807540ba 190 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 191}
192
c70001a9 193void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 194{
195 if (recv_ctx->sds_rings != NULL)
196 kfree(recv_ctx->sds_rings);
197
198 recv_ctx->sds_rings = NULL;
199}
200
af19b491
AKS		 201static int
202qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
203{
2e9d722d 204 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 205 struct net_device *netdev = adapter->netdev;
206 struct pci_dev *pdev = adapter->pdev;
207
da48e6c3 208 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 209 return -EIO;
210
2e9d722d 211 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 212 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
213
214 /* set station address */
215
aaeb6cdf 216 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 217 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
218 netdev->dev_addr);
219
220 return 0;
221}
222
223static int qlcnic_set_mac(struct net_device *netdev, void *p)
224{
225 struct qlcnic_adapter *adapter = netdev_priv(netdev);
226 struct sockaddr *addr = p;
227
7373373d
RB		 228 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
229 return -EOPNOTSUPP;
230
af19b491 231 if (!is_valid_ether_addr(addr->sa_data))
13159183 232 return -EINVAL;
af19b491 233
8a15ad1f 234 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 235 netif_device_detach(netdev);
236 qlcnic_napi_disable(adapter);
237 }
238
239 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
240 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
241 qlcnic_set_multi(adapter->netdev);
242
8a15ad1f 243 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 244 netif_device_attach(netdev);
245 qlcnic_napi_enable(adapter);
246 }
247 return 0;
248}
249
fe1adc6b
JK		 250static int qlcnic_fdb_del(struct ndmsg *ndm, struct net_device *netdev,
251 const unsigned char *addr)
252{
253 struct qlcnic_adapter *adapter = netdev_priv(netdev);
254 int err = -EOPNOTSUPP;
255
256 if (!adapter->fdb_mac_learn) {
257 pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
258 __func__);
259 return err;
260 }
261
262 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
263 if (is_unicast_ether_addr(addr))
264 err = qlcnic_nic_del_mac(adapter, addr);
265 else if (is_multicast_ether_addr(addr))
266 err = dev_mc_del(netdev, addr);
267 else
268 err = -EINVAL;
269 }
270 return err;
271}
272
273static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
274 struct net_device *netdev,
275 const unsigned char *addr, u16 flags)
276{
277 struct qlcnic_adapter *adapter = netdev_priv(netdev);
278 int err = 0;
279
280 if (!adapter->fdb_mac_learn) {
281 pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
282 __func__);
283 return -EOPNOTSUPP;
284 }
285
286 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
287 pr_info("%s: FDB e-switch is not enabled\n", __func__);
288 return -EOPNOTSUPP;
289 }
290
291 if (ether_addr_equal(addr, adapter->mac_addr))
292 return err;
293
294 if (is_unicast_ether_addr(addr))
295 err = qlcnic_nic_add_mac(adapter, addr);
296 else if (is_multicast_ether_addr(addr))
297 err = dev_mc_add_excl(netdev, addr);
298 else
299 err = -EINVAL;
300
301 return err;
302}
303
304static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
305 struct net_device *netdev, int idx)
306{
307 struct qlcnic_adapter *adapter = netdev_priv(netdev);
308
309 if (!adapter->fdb_mac_learn) {
310 pr_info("%s: Driver mac learn is enabled, FDB operation not allowed\n",
311 __func__);
312 return -EOPNOTSUPP;
313 }
314
315 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
316 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
317
318 return idx;
319}
320
7e2cf4fe
SC		 321static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
322{
323 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
324 usleep_range(10000, 11000);
325
326 cancel_delayed_work_sync(&adapter->fw_work);
327}
328
af19b491
AKS		 329static const struct net_device_ops qlcnic_netdev_ops = {
330 .ndo_open = qlcnic_open,
331 .ndo_stop = qlcnic_close,
332 .ndo_start_xmit = qlcnic_xmit_frame,
333 .ndo_get_stats = qlcnic_get_stats,
334 .ndo_validate_addr = eth_validate_addr,
afc4b13d 335 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 336 .ndo_set_mac_address = qlcnic_set_mac,
337 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 338 .ndo_fix_features = qlcnic_fix_features,
339 .ndo_set_features = qlcnic_set_features,
af19b491 340 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 341 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
342 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 343 .ndo_fdb_add = qlcnic_fdb_add,
344 .ndo_fdb_del = qlcnic_fdb_del,
345 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 346#ifdef CONFIG_NET_POLL_CONTROLLER
347 .ndo_poll_controller = qlcnic_poll_controller,
348#endif
349};
350
b43e5ee7
SC		 351static const struct net_device_ops qlcnic_netdev_failed_ops = {
352 .ndo_open = qlcnic_open,
353};
354
2e9d722d 355static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 356 .config_bridged_mode = qlcnic_config_bridged_mode,
357 .config_led = qlcnic_82xx_config_led,
358 .start_firmware = qlcnic_82xx_start_firmware,
359 .request_reset = qlcnic_82xx_dev_request_reset,
360 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
361 .napi_add = qlcnic_82xx_napi_add,
4be41e92 362 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 363 .config_ipaddr = qlcnic_82xx_config_ipaddr,
364 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
365};
366
367struct qlcnic_nic_template qlcnic_vf_ops = {
368 .config_bridged_mode = qlcnicvf_config_bridged_mode,
369 .config_led = qlcnicvf_config_led,
370 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 371};
372
7e2cf4fe
SC		 373static struct qlcnic_hardware_ops qlcnic_hw_ops = {
374 .read_crb = qlcnic_82xx_read_crb,
375 .write_crb = qlcnic_82xx_write_crb,
376 .read_reg = qlcnic_82xx_hw_read_wx_2M,
377 .write_reg = qlcnic_82xx_hw_write_wx_2M,
378 .get_mac_address = qlcnic_82xx_get_mac_address,
379 .setup_intr = qlcnic_82xx_setup_intr,
380 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
381 .mbx_cmd = qlcnic_82xx_issue_cmd,
382 .get_func_no = qlcnic_82xx_get_func_no,
383 .api_lock = qlcnic_82xx_api_lock,
384 .api_unlock = qlcnic_82xx_api_unlock,
385 .add_sysfs = qlcnic_82xx_add_sysfs,
386 .remove_sysfs = qlcnic_82xx_remove_sysfs,
387 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
388 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
389 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
390 .setup_link_event = qlcnic_82xx_linkevent_request,
391 .get_nic_info = qlcnic_82xx_get_nic_info,
392 .get_pci_info = qlcnic_82xx_get_pci_info,
393 .set_nic_info = qlcnic_82xx_set_nic_info,
394 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
395 .napi_enable = qlcnic_82xx_napi_enable,
396 .napi_disable = qlcnic_82xx_napi_disable,
397 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
398 .config_rss = qlcnic_82xx_config_rss,
399 .config_hw_lro = qlcnic_82xx_config_hw_lro,
400 .config_loopback = qlcnic_82xx_set_lb_mode,
401 .clear_loopback = qlcnic_82xx_clear_lb_mode,
402 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
403 .change_l2_filter = qlcnic_82xx_change_filter,
404 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 405};
406
7f966452 407int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 408{
af19b491 409 struct pci_dev *pdev = adapter->pdev;
13159183
SC		 410 int err = -1, i;
411 int max_tx_rings;
412
413 if (!adapter->msix_entries) {
414 adapter->msix_entries = kcalloc(num_msix,
415 sizeof(struct msix_entry),
416 GFP_KERNEL);
417 if (!adapter->msix_entries) {
418 dev_err(&pdev->dev, "failed allocating msix_entries\n");
419 return -ENOMEM;
420 }
421 }
af19b491
AKS		 422
423 adapter->max_sds_rings = 1;
af19b491 424 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 425
79788450 426 if (adapter->ahw->msix_supported) {
f94bc1e7 427 enable_msix:
13159183
SC		 428 for (i = 0; i < num_msix; i++)
429 adapter->msix_entries[i].entry = i;
af19b491
AKS		 430 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
431 if (err == 0) {
432 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 433 if (qlcnic_83xx_check(adapter)) {
434 adapter->ahw->num_msix = num_msix;
435 /* subtract mail box and tx ring vectors */
436 max_tx_rings = adapter->max_drv_tx_rings;
437 adapter->max_sds_rings = num_msix -
438 max_tx_rings - 1;
439 } else {
440 adapter->max_sds_rings = num_msix;
441 }
af19b491 442 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 443 return err;
13159183
SC		 444 } else if (err > 0) {
445 dev_info(&pdev->dev,
446 "Unable to allocate %d MSI-X interrupt vectors\n",
447 num_msix);
448 if (qlcnic_83xx_check(adapter)) {
449 if (err < QLC_83XX_MINIMUM_VECTOR)
450 return err;
451 err -= (adapter->max_drv_tx_rings + 1);
452 num_msix = rounddown_pow_of_two(err);
453 num_msix += (adapter->max_drv_tx_rings + 1);
454 } else {
455 num_msix = rounddown_pow_of_two(err);
456 }
457
458 if (num_msix) {
459 dev_info(&pdev->dev,
460 "Trying %d MSI-X interrupt vectors\n",
461 num_msix);
f94bc1e7 462 goto enable_msix;
13159183
SC		 463 }
464 } else {
465 dev_info(&pdev->dev, "Failed to get %d vectors\n",
466 num_msix);
f94bc1e7
SC		 467 }
468 }
13159183 469
f94bc1e7
SC		 470 return err;
471}
af19b491 472
9a97e705 473static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 474{
9a97e705 475 int err = 0;
15087c2b 476 u32 offset, mask_reg;
f94bc1e7 477 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 478 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 479 struct pci_dev *pdev = adapter->pdev;
af19b491 480
099f7aa7 481 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 482 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 483 offset = msi_tgt_status[adapter->ahw->pci_func];
484 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
485 offset);
af19b491
AKS		 486 dev_info(&pdev->dev, "using msi interrupts\n");
487 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 488 return err;
af19b491 489 }
9a97e705
M		 490 if (qlcnic_use_msi || qlcnic_use_msi_x)
491 return -EOPNOTSUPP;
af19b491 492
f94bc1e7 493 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 494 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 495 offset = legacy_intrp->tgt_status_reg;
496 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
497 mask_reg = legacy_intrp->tgt_mask_reg;
498 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
499 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
500 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 501 dev_info(&pdev->dev, "using legacy interrupts\n");
502 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 503 return err;
af19b491
AKS		 504}
505
7e2cf4fe 506int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 507{
9a97e705 508 int num_msix, err = 0;
f94bc1e7 509
7e2cf4fe
SC		 510 if (!num_intr)
511 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
512
513 if (adapter->ahw->msix_supported)
5f6ec29a 514 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 515 num_intr));
516 else
f94bc1e7
SC		 517 num_msix = 1;
518
7e2cf4fe
SC		 519 err = qlcnic_enable_msix(adapter, num_msix);
520 if (err == -ENOMEM || !err)
521 return err;
f94bc1e7 522
9a97e705
M		 523 err = qlcnic_enable_msi_legacy(adapter);
524 if (!err)
525 return err;
526
527 return -EIO;
f94bc1e7 528}
13159183 529
319ecf12 530void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 531{
532 if (adapter->flags & QLCNIC_MSIX_ENABLED)
533 pci_disable_msix(adapter->pdev);
534 if (adapter->flags & QLCNIC_MSI_ENABLED)
535 pci_disable_msi(adapter->pdev);
13159183
SC		 536
537 kfree(adapter->msix_entries);
538 adapter->msix_entries = NULL;
539
540 if (adapter->ahw->intr_tbl) {
541 vfree(adapter->ahw->intr_tbl);
542 adapter->ahw->intr_tbl = NULL;
543 }
af19b491
AKS		 544}
545
546static void
547qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
548{
b1fc6d3c
AC		 549 if (adapter->ahw->pci_base0 != NULL)
550 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 551}
552
7e2cf4fe
SC		 553static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
554{
555 struct qlcnic_pci_info *pci_info;
556 int ret;
557
558 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
559 switch (adapter->ahw->port_type) {
560 case QLCNIC_GBE:
561 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
562 break;
563 case QLCNIC_XGBE:
564 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
565 break;
566 }
567 return 0;
568 }
569
570 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
571 return 0;
572
573 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
574 if (!pci_info)
575 return -ENOMEM;
576
577 ret = qlcnic_get_pci_info(adapter, pci_info);
578 kfree(pci_info);
579 return ret;
580}
d71170fb
SC		 581
582int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 583{
e88db3bd 584 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 585 int i, ret = 0, j = 0;
586 u16 act_pci_func;
346fe763
RB		 587 u8 pfn;
588
e88db3bd
DC		 589 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
590 if (!pci_info)
591 return -ENOMEM;
592
bff57d8e
SC		 593 ret = qlcnic_get_pci_info(adapter, pci_info);
594 if (ret)
595 goto err_pci_info;
596
597 act_pci_func = adapter->ahw->act_pci_func;
598
ca315ac2 599 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 600 act_pci_func, GFP_KERNEL);
e88db3bd 601 if (!adapter->npars) {
900853a4 602 ret = -ENOMEM;
e88db3bd
DC		 603 goto err_pci_info;
604 }
346fe763 605
ca315ac2 606 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 607 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
608 if (!adapter->eswitch) {
900853a4 609 ret = -ENOMEM;
ca315ac2 610 goto err_npars;
346fe763
RB		 611 }
612
ca315ac2
DC		 613 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
614 pfn = pci_info[i].id;
bff57d8e 615
0f6efff9 616 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 617 ret = QL_STATUS_INVALID_PARAM;
618 goto err_eswitch;
619 }
bff57d8e
SC		 620
621 if (!pci_info[i].active ||
622 (pci_info[i].type != QLCNIC_TYPE_NIC))
623 continue;
624
625 adapter->npars[j].pci_func = pfn;
626 adapter->npars[j].active = (u8)pci_info[i].active;
627 adapter->npars[j].type = (u8)pci_info[i].type;
628 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
629 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
630 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
631 j++;
346fe763
RB		 632 }
633
13159183 634 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 635 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 636 if (qlcnic_83xx_check(adapter))
637 qlcnic_enable_eswitch(adapter, i, 1);
638 }
ca315ac2 639
e88db3bd 640 kfree(pci_info);
ca315ac2
DC		 641 return 0;
642
643err_eswitch:
346fe763
RB		 644 kfree(adapter->eswitch);
645 adapter->eswitch = NULL;
ca315ac2 646err_npars:
346fe763 647 kfree(adapter->npars);
ca315ac2 648 adapter->npars = NULL;
e88db3bd
DC		 649err_pci_info:
650 kfree(pci_info);
346fe763
RB		 651
652 return ret;
653}
654
2e9d722d
AC		 655static int
656qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
657{
658 u8 id;
2e9d722d
AC		 659 int i, ret = 1;
660 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 661 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 662
2e9d722d
AC		 663 ret = qlcnic_api_lock(adapter);
664 if (ret)
665 goto err_lock;
2e9d722d 666
0e33c664 667 if (qlcnic_config_npars) {
bff57d8e
SC		 668 for (i = 0; i < ahw->act_pci_func; i++) {
669 id = adapter->npars[i].pci_func;
670 if (id == ahw->pci_func)
0e33c664
AC		 671 continue;
672 data |= (qlcnic_config_npars &
673 QLC_DEV_SET_DRV(0xf, id));
674 }
675 } else {
a15ebd37 676 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 677 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 678 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 679 ahw->pci_func));
2e9d722d 680 }
a15ebd37 681 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 682 qlcnic_api_unlock(adapter);
683err_lock:
684 return ret;
685}
686
13159183
SC		 687static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
688 const struct pci_device_id *ent)
2e9d722d 689{
2e9d722d
AC		 690 u32 op_mode, priv_level;
691
692 /* Determine FW API version */
13159183
SC		 693 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
694 QLCNIC_FW_API);
2e9d722d
AC		 695
696 /* Find PCI function number */
13159183 697 qlcnic_get_func_no(adapter);
2e9d722d
AC		 698
699 /* Determine function privilege level */
13159183 700 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 701 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 702 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 703 else
b1fc6d3c 704 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 705
0866d96d 706 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 707 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 708 dev_info(&adapter->pdev->dev,
709 "HAL Version: %d Non Privileged function\n",
79788450 710 adapter->ahw->fw_hal_version);
9f26f547 711 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 712 } else
713 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 714}
715
15087c2b 716#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 717#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 718static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
719{
720 switch (dev_id) {
721 case PCI_DEVICE_ID_QLOGIC_QLE824X:
722 *bar = QLCNIC_82XX_BAR0_LENGTH;
723 break;
13159183
SC		 724 case PCI_DEVICE_ID_QLOGIC_QLE834X:
725 *bar = QLCNIC_83XX_BAR0_LENGTH;
726 break;
15087c2b
SC		 727 default:
728 *bar = 0;
729 }
730}
731
732static int qlcnic_setup_pci_map(struct pci_dev *pdev,
733 struct qlcnic_hardware_context *ahw)
af19b491 734{
15087c2b 735 u32 offset;
af19b491 736 void __iomem *mem_ptr0 = NULL;
15087c2b 737 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 738
af19b491 739 /* remap phys address */
af19b491
AKS		 740 mem_len = pci_resource_len(pdev, 0);
741
15087c2b
SC		 742 qlcnic_get_bar_length(pdev->device, &bar0_len);
743 if (mem_len >= bar0_len) {
af19b491
AKS		 744
745 mem_ptr0 = pci_ioremap_bar(pdev, 0);
746 if (mem_ptr0 == NULL) {
747 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
748 return -EIO;
749 }
750 pci_len0 = mem_len;
751 } else {
752 return -EIO;
753 }
754
755 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 756
15087c2b
SC		 757 ahw->pci_base0 = mem_ptr0;
758 ahw->pci_len0 = pci_len0;
759 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
760 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 761
762 return 0;
763}
764
22999798 765static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 766{
767 struct pci_dev *pdev = adapter->pdev;
768 int i, found = 0;
769
770 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
771 if (qlcnic_boards[i].vendor == pdev->vendor &&
772 qlcnic_boards[i].device == pdev->device &&
773 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
774 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 775 sprintf(name, "%pM: %s" ,
776 adapter->mac_addr,
777 qlcnic_boards[i].short_name);
af19b491
AKS		 778 found = 1;
779 break;
780 }
781
782 }
783
784 if (!found)
7f9a0c34 785 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 786}
787
788static void
789qlcnic_check_options(struct qlcnic_adapter *adapter)
790{
a15ebd37 791 int err;
031a4a26 792 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 793 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 794 struct qlcnic_hardware_context *ahw = adapter->ahw;
795 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 796
797 prev_fw_version = adapter->fw_version;
af19b491 798
a15ebd37
HM		 799 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
800 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
801 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 802
803 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
804
a15ebd37
HM		 805 err = qlcnic_get_board_info(adapter);
806 if (err) {
807 dev_err(&pdev->dev, "Error getting board config info.\n");
808 return;
809 }
810 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 811 if (fw_dump->tmpl_hdr == NULL ||
812 adapter->fw_version > prev_fw_version) {
813 if (fw_dump->tmpl_hdr)
814 vfree(fw_dump->tmpl_hdr);
815 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
816 dev_info(&pdev->dev,
817 "Supports FW dump capability\n");
818 }
819 }
820
13159183
SC		 821 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
822 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
823
b1fc6d3c 824 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 825 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
826 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
827 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
828 } else {
829 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
830 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
831 }
832
af19b491 833 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 834 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
835
b1fc6d3c 836 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 837 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
838 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 839 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
840 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 841 }
842
099f7aa7 843 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 844
845 adapter->num_txd = MAX_CMD_DESCRIPTORS;
846
251b036a 847 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 848}
849
174240a8
RB		 850static int
851qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
852{
853 int err;
854 struct qlcnic_info nic_info;
855
bff57d8e 856 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 857 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 858 if (err)
859 return err;
860
79788450
SC		 861 adapter->ahw->physical_port = (u8)nic_info.phys_port;
862 adapter->ahw->switch_mode = nic_info.switch_mode;
863 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
864 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
865 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 866
867 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
868 u32 temp;
869 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
870 adapter->ahw->capabilities2 = temp;
871 }
79788450
SC		 872 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
873 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 874
13159183
SC		 875 /* Disable NPAR for 83XX */
876 if (qlcnic_83xx_check(adapter))
877 return err;
878
79788450 879 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 880 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
881 else
882 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
883
884 return err;
885}
886
ec079a07
SC		 887void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
888 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 889{
890 if (esw_cfg->discard_tagged)
891 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
892 else
893 adapter->flags |= QLCNIC_TAGGING_ENABLED;
894
895 if (esw_cfg->vlan_id)
896 adapter->pvid = esw_cfg->vlan_id;
897 else
898 adapter->pvid = 0;
899}
900
8e586137 901static int
b9796a14
AC		 902qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
903{
904 struct qlcnic_adapter *adapter = netdev_priv(netdev);
905 set_bit(vid, adapter->vlans);
8e586137 906 return 0;
b9796a14
AC		 907}
908
8e586137 909static int
b9796a14
AC		 910qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
911{
912 struct qlcnic_adapter *adapter = netdev_priv(netdev);
913
914 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
915 clear_bit(vid, adapter->vlans);
8e586137 916 return 0;
b9796a14
AC		 917}
918
ec079a07
SC		 919void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
920 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 921{
ee07c1a7
RB		 922 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
923 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 924
925 if (esw_cfg->mac_anti_spoof)
926 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 927
7373373d
RB		 928 if (!esw_cfg->mac_override)
929 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
930
ee07c1a7
RB		 931 if (!esw_cfg->promisc_mode)
932 adapter->flags |= QLCNIC_PROMISC_DISABLED;
933
0325d69b
RB		 934 qlcnic_set_netdev_features(adapter, esw_cfg);
935}
936
d71170fb 937int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 938{
939 struct qlcnic_esw_func_cfg esw_cfg;
940
941 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
942 return 0;
943
b1fc6d3c 944 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 945 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
946 return -EIO;
8cf61f89 947 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 948 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
949
950 return 0;
951}
952
953static void
954qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
955 struct qlcnic_esw_func_cfg *esw_cfg)
956{
957 struct net_device *netdev = adapter->netdev;
13159183
SC		 958 unsigned long features, vlan_features;
959
960 if (qlcnic_83xx_check(adapter))
961 return;
0325d69b 962
7e38d04b
SC		 963 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
964 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 965 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 966 NETIF_F_IPV6_CSUM);
0325d69b 967
13159183 968 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 969 features |= (NETIF_F_TSO | NETIF_F_TSO6);
970 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
971 }
b56421d0
RB		 972
973 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 974 features |= NETIF_F_LRO;
975
976 if (esw_cfg->offload_flags & BIT_0) {
977 netdev->features |= features;
13159183 978 adapter->rx_csum = 1;
7e38d04b 979 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 980 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 981 features &= ~NETIF_F_TSO;
982 }
983 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 984 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 985 features &= ~NETIF_F_TSO6;
986 }
0325d69b
RB		 987 } else {
988 netdev->features &= ~features;
7e38d04b 989 features &= ~features;
13159183 990 adapter->rx_csum = 0;
0325d69b
RB		 991 }
992
993 netdev->vlan_features = (features & vlan_features);
994}
995
0866d96d
AC		 996static int
997qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
998{
0866d96d
AC		 999 u32 op_mode, priv_level;
1000 int err = 0;
1001
174240a8
RB		 1002 err = qlcnic_initialize_nic(adapter);
1003 if (err)
1004 return err;
1005
0866d96d
AC		 1006 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1007 return 0;
1008
13159183 1009 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1010 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1011
1012 if (op_mode == QLC_DEV_DRV_DEFAULT)
1013 priv_level = QLCNIC_MGMT_FUNC;
1014 else
b1fc6d3c 1015 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1016
174240a8 1017 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1018 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1019 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1020 err = qlcnic_init_pci_info(adapter);
1021 if (err)
1022 return err;
1023 /* Set privilege level for other functions */
1024 qlcnic_set_function_modes(adapter);
1025 dev_info(&adapter->pdev->dev,
1026 "HAL Version: %d, Management function\n",
79788450 1027 adapter->ahw->fw_hal_version);
0866d96d 1028 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1029 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1030 dev_info(&adapter->pdev->dev,
1031 "HAL Version: %d, Privileged function\n",
79788450 1032 adapter->ahw->fw_hal_version);
0866d96d 1033 }
174240a8 1034 }
0866d96d
AC		 1035
1036 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1037
1038 return err;
1039}
1040
d71170fb 1041int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1042{
1043 struct qlcnic_esw_func_cfg esw_cfg;
1044 struct qlcnic_npar_info *npar;
1045 u8 i;
1046
174240a8 1047 if (adapter->need_fw_reset)
0325d69b
RB		 1048 return 0;
1049
bff57d8e 1050 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1051 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1052 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1053 esw_cfg.mac_override = BIT_0;
ee07c1a7 1054 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1055 if (qlcnic_82xx_check(adapter)) {
1056 esw_cfg.offload_flags = BIT_0;
1057 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1058 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1059 }
0325d69b
RB		 1060 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1061 return -EIO;
1062 npar = &adapter->npars[i];
1063 npar->pvid = esw_cfg.vlan_id;
7373373d 1064 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1065 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1066 npar->discard_tagged = esw_cfg.discard_tagged;
1067 npar->promisc_mode = esw_cfg.promisc_mode;
1068 npar->offload_flags = esw_cfg.offload_flags;
1069 }
1070
1071 return 0;
1072}
1073
13159183 1074
4e8acb01
RB		 1075static int
1076qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1077 struct qlcnic_npar_info *npar, int pci_func)
1078{
1079 struct qlcnic_esw_func_cfg esw_cfg;
1080 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1081 esw_cfg.pci_func = pci_func;
1082 esw_cfg.vlan_id = npar->pvid;
7373373d 1083 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1084 esw_cfg.discard_tagged = npar->discard_tagged;
1085 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1086 esw_cfg.offload_flags = npar->offload_flags;
1087 esw_cfg.promisc_mode = npar->promisc_mode;
1088 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1089 return -EIO;
1090
1091 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1092 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1093 return -EIO;
1094
1095 return 0;
1096}
1097
d71170fb 1098int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1099{
4e8acb01 1100 int i, err;
cea8975e
AC		 1101 struct qlcnic_npar_info *npar;
1102 struct qlcnic_info nic_info;
bff57d8e 1103 u8 pci_func;
cea8975e 1104
bff57d8e
SC		 1105 if (qlcnic_82xx_check(adapter))
1106 if (!adapter->need_fw_reset)
1107 return 0;
cea8975e 1108
4e8acb01 1109 /* Set the NPAR config data after FW reset */
bff57d8e 1110 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1111 npar = &adapter->npars[i];
bff57d8e
SC		 1112 pci_func = npar->pci_func;
1113 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1114 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1115 if (err)
1116 return err;
1117 nic_info.min_tx_bw = npar->min_bw;
1118 nic_info.max_tx_bw = npar->max_bw;
1119 err = qlcnic_set_nic_info(adapter, &nic_info);
1120 if (err)
1121 return err;
cea8975e 1122
4e8acb01
RB		 1123 if (npar->enable_pm) {
1124 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1125 npar->dest_npar, 1,
1126 pci_func);
4e8acb01
RB		 1127 if (err)
1128 return err;
cea8975e 1129 }
bff57d8e 1130 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1131 if (err)
1132 return err;
cea8975e 1133 }
4e8acb01 1134 return 0;
cea8975e
AC		 1135}
1136
78f84e1a
AKS		 1137static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1138{
1139 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1140 u32 npar_state;
1141
79788450 1142 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1143 return 0;
1144
a15ebd37
HM		 1145 npar_state = QLC_SHARED_REG_RD32(adapter,
1146 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1147 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1148 msleep(1000);
a15ebd37
HM		 1149 npar_state = QLC_SHARED_REG_RD32(adapter,
1150 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1151 }
1152 if (!npar_opt_timeo) {
1153 dev_err(&adapter->pdev->dev,
1154 "Waiting for NPAR state to opertional timeout\n");
1155 return -EIO;
1156 }
1157 return 0;
1158}
1159
174240a8
RB		 1160static int
1161qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1162{
1163 int err;
1164
1165 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1166 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1167 return 0;
1168
1169 err = qlcnic_set_default_offload_settings(adapter);
1170 if (err)
1171 return err;
1172
1173 err = qlcnic_reset_npar_config(adapter);
1174 if (err)
1175 return err;
1176
1177 qlcnic_dev_set_npar_ready(adapter);
1178
13159183
SC		 1179 if (qlcnic_83xx_check(adapter))
1180 qlcnic_83xx_register_nic_idc_func(adapter, 1);
174240a8
RB		 1181 return err;
1182}
1183
7e2cf4fe 1184int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1185{
d4066833 1186 int err;
af19b491 1187
aa5e18c0
SC		 1188 err = qlcnic_can_start_firmware(adapter);
1189 if (err < 0)
1190 return err;
1191 else if (!err)
d4066833 1192 goto check_fw_status;
af19b491 1193
099f7aa7 1194 if (qlcnic_load_fw_file)
4d5bdb38 1195 qlcnic_request_firmware(adapter);
8f891387 1196 else {
8cfdce08
SC		 1197 err = qlcnic_check_flash_fw_ver(adapter);
1198 if (err)
8f891387 1199 goto err_out;
1200
79788450 1201 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1202 }
af19b491
AKS		 1203
1204 err = qlcnic_need_fw_reset(adapter);
af19b491 1205 if (err == 0)
4e70812b 1206 goto check_fw_status;
af19b491 1207
d4066833
SC		 1208 err = qlcnic_pinit_from_rom(adapter);
1209 if (err)
1210 goto err_out;
af19b491
AKS		 1211
1212 err = qlcnic_load_firmware(adapter);
1213 if (err)
1214 goto err_out;
1215
1216 qlcnic_release_firmware(adapter);
d4066833 1217 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1218
d4066833
SC		 1219check_fw_status:
1220 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1221 if (err)
1222 goto err_out;
1223
a15ebd37 1224 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1225 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1226 err = qlcnic_check_eswitch_mode(adapter);
1227 if (err) {
1228 dev_err(&adapter->pdev->dev,
1229 "Memory allocation failed for eswitch\n");
1230 goto err_out;
1231 }
174240a8
RB		 1232 err = qlcnic_set_mgmt_operations(adapter);
1233 if (err)
1234 goto err_out;
1235
1236 qlcnic_check_options(adapter);
af19b491
AKS		 1237 adapter->need_fw_reset = 0;
1238
a7fc948f
AKS		 1239 qlcnic_release_firmware(adapter);
1240 return 0;
af19b491
AKS		 1241
1242err_out:
a15ebd37 1243 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1244 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1245
af19b491
AKS		 1246 qlcnic_release_firmware(adapter);
1247 return err;
1248}
1249
1250static int
1251qlcnic_request_irq(struct qlcnic_adapter *adapter)
1252{
1253 irq_handler_t handler;
1254 struct qlcnic_host_sds_ring *sds_ring;
13159183 1255 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1256 int err, ring;
1257
1258 unsigned long flags = 0;
1259 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1260 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1261
79788450 1262 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1263 if (qlcnic_82xx_check(adapter))
1264 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1265 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1266 flags |= IRQF_SHARED;
1267
1268 } else {
1269 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1270 handler = qlcnic_msix_intr;
1271 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1272 handler = qlcnic_msi_intr;
1273 else {
1274 flags |= IRQF_SHARED;
1275 handler = qlcnic_intr;
1276 }
af19b491
AKS		 1277 }
1278 adapter->irq = netdev->irq;
1279
13159183
SC		 1280 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1281 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1282 sds_ring = &recv_ctx->sds_rings[ring];
1283 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1284 "%s[%d]", netdev->name, ring);
1285 err = request_irq(sds_ring->irq, handler, flags,
1286 sds_ring->name, sds_ring);
1287 if (err)
1288 return err;
1289 }
1290 if (qlcnic_83xx_check(adapter) &&
1291 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1292 handler = qlcnic_msix_tx_intr;
1293 for (ring = 0; ring < adapter->max_drv_tx_rings;
1294 ring++) {
1295 tx_ring = &adapter->tx_ring[ring];
1296 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1297 "%s[%d]", netdev->name,
1298 adapter->max_sds_rings + ring);
1299 err = request_irq(tx_ring->irq, handler, flags,
1300 tx_ring->name, tx_ring);
1301 if (err)
1302 return err;
1303 }
1304 }
af19b491 1305 }
af19b491
AKS		 1306 return 0;
1307}
1308
1309static void
1310qlcnic_free_irq(struct qlcnic_adapter *adapter)
1311{
1312 int ring;
1313 struct qlcnic_host_sds_ring *sds_ring;
13159183 1314 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1315
b1fc6d3c 1316 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1317
13159183
SC		 1318 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1319 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1320 sds_ring = &recv_ctx->sds_rings[ring];
1321 free_irq(sds_ring->irq, sds_ring);
1322 }
1323 if (qlcnic_83xx_check(adapter)) {
1324 for (ring = 0; ring < adapter->max_drv_tx_rings;
1325 ring++) {
1326 tx_ring = &adapter->tx_ring[ring];
1327 if (tx_ring->irq)
1328 free_irq(tx_ring->irq, tx_ring);
1329 }
1330 }
af19b491
AKS		 1331 }
1332}
1333
319ecf12 1334int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1335{
8a15ad1f 1336 int ring;
cae82d49
RB		 1337 u32 capab2;
1338
8a15ad1f
AKS		 1339 struct qlcnic_host_rds_ring *rds_ring;
1340
af19b491
AKS		 1341 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1342 return -EIO;
1343
8a15ad1f
AKS		 1344 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1345 return 0;
0325d69b
RB		 1346 if (qlcnic_set_eswitch_port_config(adapter))
1347 return -EIO;
8a15ad1f 1348
79788450 1349 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1350 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1351 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1352 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1353 }
1354
8a15ad1f
AKS		 1355 if (qlcnic_fw_create_ctx(adapter))
1356 return -EIO;
1357
1358 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1359 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1360 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1361 }
1362
af19b491
AKS		 1363 qlcnic_set_multi(netdev);
1364 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1365
b1fc6d3c 1366 adapter->ahw->linkup = 0;
af19b491
AKS		 1367
1368 if (adapter->max_sds_rings > 1)
1369 qlcnic_config_rss(adapter, 1);
1370
1371 qlcnic_config_intr_coalesce(adapter);
1372
24763d80 1373 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1374 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1375
1376 qlcnic_napi_enable(adapter);
1377
1378 qlcnic_linkevent_request(adapter, 1);
1379
79788450 1380 adapter->ahw->reset_context = 0;
af19b491
AKS		 1381 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1382 return 0;
1383}
1384
629263ac 1385int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1386{
1387 int err = 0;
1388
1389 rtnl_lock();
1390 if (netif_running(netdev))
1391 err = __qlcnic_up(adapter, netdev);
1392 rtnl_unlock();
1393
1394 return err;
1395}
1396
319ecf12 1397void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1398{
1399 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1400 return;
1401
1402 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1403 return;
1404
1405 smp_mb();
1406 spin_lock(&adapter->tx_clean_lock);
1407 netif_carrier_off(netdev);
1408 netif_tx_disable(netdev);
1409
1410 qlcnic_free_mac_list(adapter);
1411
b5e5492c
AKS		 1412 if (adapter->fhash.fnum)
1413 qlcnic_delete_lb_filters(adapter);
1414
af19b491
AKS		 1415 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1416
1417 qlcnic_napi_disable(adapter);
1418
8a15ad1f 1419 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1420 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1421
1422 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1423 qlcnic_release_tx_buffers(adapter);
1424 spin_unlock(&adapter->tx_clean_lock);
1425}
1426
1427/* Usage: During suspend and firmware recovery module */
1428
629263ac 1429void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1430{
1431 rtnl_lock();
1432 if (netif_running(netdev))
1433 __qlcnic_down(adapter, netdev);
1434 rtnl_unlock();
1435
1436}
1437
319ecf12 1438int
af19b491
AKS		 1439qlcnic_attach(struct qlcnic_adapter *adapter)
1440{
1441 struct net_device *netdev = adapter->netdev;
1442 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1443 int err;
af19b491
AKS		 1444
1445 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1446 return 0;
1447
af19b491
AKS		 1448 err = qlcnic_napi_add(adapter, netdev);
1449 if (err)
1450 return err;
1451
1452 err = qlcnic_alloc_sw_resources(adapter);
1453 if (err) {
1454 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1455 goto err_out_napi_del;
af19b491
AKS		 1456 }
1457
1458 err = qlcnic_alloc_hw_resources(adapter);
1459 if (err) {
1460 dev_err(&pdev->dev, "Error in setting hw resources\n");
1461 goto err_out_free_sw;
1462 }
1463
af19b491
AKS		 1464 err = qlcnic_request_irq(adapter);
1465 if (err) {
1466 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1467 goto err_out_free_hw;
af19b491
AKS		 1468 }
1469
af19b491
AKS		 1470 qlcnic_create_sysfs_entries(adapter);
1471
1472 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1473 return 0;
1474
8a15ad1f 1475err_out_free_hw:
af19b491
AKS		 1476 qlcnic_free_hw_resources(adapter);
1477err_out_free_sw:
1478 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1479err_out_napi_del:
1480 qlcnic_napi_del(adapter);
af19b491
AKS		 1481 return err;
1482}
1483
319ecf12 1484void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1485{
1486 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1487 return;
1488
1489 qlcnic_remove_sysfs_entries(adapter);
1490
1491 qlcnic_free_hw_resources(adapter);
1492 qlcnic_release_rx_buffers(adapter);
1493 qlcnic_free_irq(adapter);
1494 qlcnic_napi_del(adapter);
1495 qlcnic_free_sw_resources(adapter);
1496
1497 adapter->is_up = 0;
1498}
1499
7eb9855d
AKS		 1500void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1501{
1502 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1503 struct qlcnic_host_sds_ring *sds_ring;
1504 int ring;
1505
78ad3892 1506 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1507 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1508 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1509 sds_ring = &adapter->recv_ctx->sds_rings[ring];
13159183
SC		 1510 if (qlcnic_83xx_check(adapter))
1511 writel(1, sds_ring->crb_intr_mask);
1512 else
1513 qlcnic_disable_int(sds_ring);
cdaff185 1514 }
7eb9855d
AKS		 1515 }
1516
8a15ad1f
AKS		 1517 qlcnic_fw_destroy_ctx(adapter);
1518
7eb9855d
AKS		 1519 qlcnic_detach(adapter);
1520
79788450 1521 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1522 adapter->max_sds_rings = max_sds_rings;
1523
1524 if (qlcnic_attach(adapter))
34ce3626 1525 goto out;
7eb9855d
AKS		 1526
1527 if (netif_running(netdev))
1528 __qlcnic_up(adapter, netdev);
34ce3626 1529out:
7eb9855d
AKS		 1530 netif_device_attach(netdev);
1531}
1532
b1fc6d3c
AC		 1533static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1534{
1535 int err = 0;
b1fc6d3c
AC		 1536 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1537 GFP_KERNEL);
1538 if (!adapter->recv_ctx) {
1539 dev_err(&adapter->pdev->dev,
1540 "Failed to allocate recv ctx resources for adapter\n");
b1fc6d3c 1541 err = -ENOMEM;
8816d009 1542 goto err_out;
b1fc6d3c 1543 }
8816d009
AC		 1544 /* Initialize interrupt coalesce parameters */
1545 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1546 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1547 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1548 /* clear stats */
1549 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1550err_out:
1551 return err;
1552}
1553
1554static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1555{
1556 kfree(adapter->recv_ctx);
1557 adapter->recv_ctx = NULL;
1558
18f2f616
AC		 1559 if (adapter->ahw->fw_dump.tmpl_hdr) {
1560 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1561 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1562 }
4be41e92 1563
81d0aeb0 1564 kfree(adapter->ahw->reset.buff);
4be41e92 1565 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1566}
1567
7eb9855d
AKS		 1568int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1569{
1570 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1571 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1572 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1573 int ring;
1574 int ret;
1575
1576 netif_device_detach(netdev);
1577
1578 if (netif_running(netdev))
1579 __qlcnic_down(adapter, netdev);
1580
1581 qlcnic_detach(adapter);
1582
1583 adapter->max_sds_rings = 1;
79788450 1584 adapter->ahw->diag_test = test;
4be41e92 1585 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1586
1587 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1588 if (ret) {
1589 netif_device_attach(netdev);
7eb9855d 1590 return ret;
34ce3626 1591 }
7eb9855d 1592
8a15ad1f
AKS		 1593 ret = qlcnic_fw_create_ctx(adapter);
1594 if (ret) {
1595 qlcnic_detach(adapter);
57e46248 1596 netif_device_attach(netdev);
8a15ad1f
AKS		 1597 return ret;
1598 }
1599
1600 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1601 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1602 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1603 }
1604
79788450 1605 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1606 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1607 sds_ring = &adapter->recv_ctx->sds_rings[ring];
7e38d04b
SC		 1608 if (qlcnic_82xx_check(adapter))
1609 qlcnic_enable_int(sds_ring);
1610 else
1611 qlcnic_83xx_enable_intr(adapter, sds_ring);
cdaff185 1612 }
7eb9855d 1613 }
22c8c934 1614
79788450 1615 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1616 adapter->ahw->loopback_state = 0;
1617 qlcnic_linkevent_request(adapter, 1);
1618 }
1619
78ad3892 1620 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1621
1622 return 0;
1623}
1624
68bf1c68
AKS		 1625/* Reset context in hardware only */
1626static int
1627qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1628{
1629 struct net_device *netdev = adapter->netdev;
1630
1631 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1632 return -EBUSY;
1633
1634 netif_device_detach(netdev);
1635
1636 qlcnic_down(adapter, netdev);
1637
1638 qlcnic_up(adapter, netdev);
1639
1640 netif_device_attach(netdev);
1641
1642 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1643 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1644 return 0;
1645}
1646
af19b491
AKS		 1647int
1648qlcnic_reset_context(struct qlcnic_adapter *adapter)
1649{
1650 int err = 0;
1651 struct net_device *netdev = adapter->netdev;
1652
1653 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1654 return -EBUSY;
1655
1656 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1657
1658 netif_device_detach(netdev);
1659
1660 if (netif_running(netdev))
1661 __qlcnic_down(adapter, netdev);
1662
1663 qlcnic_detach(adapter);
1664
1665 if (netif_running(netdev)) {
1666 err = qlcnic_attach(adapter);
1d5c88e3 1667 if (!err) {
34ce3626 1668 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1669 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1670 }
af19b491
AKS		 1671 }
1672
1673 netif_device_attach(netdev);
1674 }
1675
af19b491
AKS		 1676 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1677 return err;
1678}
1679
1680static int
5ad6ff9d
SC		 1681qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1682 int pci_using_dac)
af19b491
AKS		 1683{
1684 int err;
1685 struct pci_dev *pdev = adapter->pdev;
1686
13159183 1687 adapter->rx_csum = 1;
79788450 1688 adapter->ahw->mc_enabled = 0;
13159183 1689 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1690
1691 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1692 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1693
1694 qlcnic_change_mtu(netdev, netdev->mtu);
1695
1696 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1697
7e38d04b 1698 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1699 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1700 NETIF_F_HW_VLAN_RX);
1701 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1702 NETIF_F_IPV6_CSUM);
ac8d0c4f 1703
13159183
SC		 1704 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1705 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1706 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1707 }
af19b491 1708
13159183
SC		 1709 if (pci_using_dac) {
1710 netdev->features |= NETIF_F_HIGHDMA;
1711 netdev->vlan_features |= NETIF_F_HIGHDMA;
1712 }
af19b491 1713
13159183
SC		 1714 if (qlcnic_vlan_tx_check(adapter))
1715 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1716
13159183
SC		 1717 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1718 netdev->features |= NETIF_F_LRO;
135d84a9 1719
7e38d04b 1720 netdev->hw_features = netdev->features;
af19b491
AKS		 1721 netdev->irq = adapter->msix_entries[0].vector;
1722
af19b491
AKS		 1723 err = register_netdev(netdev);
1724 if (err) {
1725 dev_err(&pdev->dev, "failed to register net device\n");
1726 return err;
1727 }
1728
1729 return 0;
1730}
1731
5ad6ff9d 1732static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1733{
1734 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1735 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1736 *pci_using_dac = 1;
1737 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1738 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1739 *pci_using_dac = 0;
1740 else {
1741 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1742 return -EIO;
1743 }
1744
1745 return 0;
1746}
1747
4be41e92
SC		 1748void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1749{
1750 int ring;
1751 struct qlcnic_host_tx_ring *tx_ring;
1752
1753 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1754 tx_ring = &adapter->tx_ring[ring];
1755 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1756 vfree(tx_ring->cmd_buf_arr);
1757 tx_ring->cmd_buf_arr = NULL;
1758 }
1759 }
1760 if (adapter->tx_ring != NULL)
1761 kfree(adapter->tx_ring);
1762}
1763
1764int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1765 struct net_device *netdev)
1766{
1767 int ring, size, vector, index;
1768 struct qlcnic_host_tx_ring *tx_ring;
1769 struct qlcnic_cmd_buffer *cmd_buf_arr;
1770
1771 size = adapter->max_drv_tx_rings * sizeof(struct qlcnic_host_tx_ring);
1772 tx_ring = kzalloc(size, GFP_KERNEL);
1773 if (tx_ring == NULL) {
1774 dev_err(&netdev->dev, "failed to allocate tx rings\n");
1775 return -ENOMEM;
1776 }
1777 adapter->tx_ring = tx_ring;
1778
1779 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1780 tx_ring = &adapter->tx_ring[ring];
1781 tx_ring->num_desc = adapter->num_txd;
1782 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1783 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1784 if (cmd_buf_arr == NULL) {
1785 dev_err(&netdev->dev,
1786 "failed to allocate cmd buffer ring\n");
1787 qlcnic_free_tx_rings(adapter);
1788 return -ENOMEM;
1789 }
1790 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1791 tx_ring->cmd_buf_arr = cmd_buf_arr;
1792 }
1793
1794 if (qlcnic_83xx_check(adapter)) {
1795 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1796 tx_ring = &adapter->tx_ring[ring];
1797 tx_ring->adapter = adapter;
1798 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1799 index = adapter->max_sds_rings + ring;
1800 vector = adapter->msix_entries[index].vector;
1801 tx_ring->irq = vector;
1802 }
1803 }
1804 }
1805 return 0;
1806}
1807
6bb58bb0 1808static int
af19b491
AKS		 1809qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1810{
1811 struct net_device *netdev = NULL;
1812 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1813 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1814 int err, pci_using_dac = -1;
c84e340a 1815 u32 capab2;
22999798 1816 char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1817
1818 err = pci_enable_device(pdev);
1819 if (err)
1820 return err;
1821
1822 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1823 err = -ENODEV;
1824 goto err_out_disable_pdev;
1825 }
1826
1bb09fb9
AKS		 1827 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1828 if (err)
1829 goto err_out_disable_pdev;
1830
af19b491
AKS		 1831 err = pci_request_regions(pdev, qlcnic_driver_name);
1832 if (err)
1833 goto err_out_disable_pdev;
1834
1835 pci_set_master(pdev);
451724c8 1836 pci_enable_pcie_error_reporting(pdev);
af19b491 1837
7e2cf4fe
SC		 1838 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1839 if (!ahw)
1840 goto err_out_free_res;
1841
1842 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1843 ahw->hw_ops = &qlcnic_hw_ops;
1844 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1845 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1846 qlcnic_83xx_register_map(ahw);
1847 } else {
1848 goto err_out_free_hw_res;
7e2cf4fe
SC		 1849 }
1850
1851 err = qlcnic_setup_pci_map(pdev, ahw);
1852 if (err)
1853 goto err_out_free_hw_res;
1854
af19b491
AKS		 1855 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1856 if (!netdev) {
af19b491 1857 err = -ENOMEM;
7e2cf4fe 1858 goto err_out_iounmap;
af19b491
AKS		 1859 }
1860
1861 SET_NETDEV_DEV(netdev, &pdev->dev);
1862
1863 adapter = netdev_priv(netdev);
1864 adapter->netdev = netdev;
1865 adapter->pdev = pdev;
13159183
SC		 1866 adapter->ahw = ahw;
1867
1868 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1869 if (adapter->qlcnic_wq == NULL) {
1870 dev_err(&pdev->dev, "Failed to create workqueue\n");
1871 goto err_out_free_netdev;
1872 }
af19b491 1873
2dfc9671
PST		 1874 err = qlcnic_alloc_adapter_resources(adapter);
1875 if (err)
b1fc6d3c
AC		 1876 goto err_out_free_netdev;
1877
1878 adapter->dev_rst_time = jiffies;
7e2cf4fe 1879 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1880 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1881 adapter->fdb_mac_learn = true;
1882 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1883 adapter->drv_mac_learn = true;
7e2cf4fe 1884 adapter->max_drv_tx_rings = 1;
af19b491 1885
b1fc6d3c
AC		 1886 rwlock_init(&adapter->ahw->crb_lock);
1887 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1888
1889 spin_lock_init(&adapter->tx_clean_lock);
1890 INIT_LIST_HEAD(&adapter->mac_list);
1891
7e2cf4fe 1892 if (qlcnic_82xx_check(adapter)) {
13159183 1893 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1894 adapter->portnum = adapter->ahw->pci_func;
1895 err = qlcnic_start_firmware(adapter);
1896 if (err) {
1897 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1898 goto err_out_free_hw;
1899 }
af19b491 1900
7e2cf4fe
SC		 1901 err = qlcnic_setup_idc_param(adapter);
1902 if (err)
1903 goto err_out_free_hw;
b0044bcf 1904
7e2cf4fe 1905 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1906 } else if (qlcnic_83xx_check(adapter)) {
1907 qlcnic_83xx_check_vf(adapter, ent);
1908 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1909 err = qlcnic_83xx_init(adapter);
1910 if (err) {
1911 dev_err(&pdev->dev, "%s: failed\n", __func__);
1912 goto err_out_free_hw;
1913 }
13159183
SC		 1914 } else {
1915 dev_err(&pdev->dev,
1916 "%s: failed. Please Reboot\n", __func__);
1917 goto err_out_free_hw;
a7fc948f 1918 }
af19b491 1919
da48e6c3
RB		 1920 if (qlcnic_read_mac_addr(adapter))
1921 dev_warn(&pdev->dev, "failed to read mac addr\n");
1922
1923 if (adapter->portnum == 0) {
22999798 1924 qlcnic_get_board_name(adapter, board_name);
13159183 1925
da48e6c3 1926 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1927 module_name(THIS_MODULE),
1928 board_name, adapter->ahw->revision_id);
da48e6c3 1929 }
7e2cf4fe 1930 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 1931 if (err) {
1932 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 1933 goto err_out_disable_msi;
9a97e705 1934 }
f94bc1e7 1935
13159183
SC		 1936 if (qlcnic_83xx_check(adapter)) {
1937 err = qlcnic_83xx_setup_mbx_intr(adapter);
1938 if (err)
1939 goto err_out_disable_msi;
1940 }
af19b491 1941
1bb09fb9 1942 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1943 if (err)
7e2cf4fe 1944 goto err_out_disable_mbx_intr;
af19b491 1945
c84e340a
SV		 1946 if (qlcnic_82xx_check(adapter)) {
1947 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1948 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1949 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1950 qlcnic_fw_cmd_set_drv_version(adapter);
1951 }
1952 }
1953
af19b491
AKS		 1954 pci_set_drvdata(pdev, adapter);
1955
97ee45eb
SC		 1956 if (qlcnic_82xx_check(adapter))
1957 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1958 FW_POLL_DELAY);
af19b491 1959
b1fc6d3c 1960 switch (adapter->ahw->port_type) {
af19b491
AKS		 1961 case QLCNIC_GBE:
1962 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1963 adapter->netdev->name);
1964 break;
1965 case QLCNIC_XGBE:
1966 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1967 adapter->netdev->name);
1968 break;
1969 }
1970
7e2cf4fe
SC		 1971 if (qlcnic_get_act_pci_func(adapter))
1972 goto err_out_disable_mbx_intr;
1973
fe1adc6b 1974 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 1975 qlcnic_alloc_lb_filters_mem(adapter);
1976
7e2cf4fe 1977 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1978
1979 return 0;
1980
7e2cf4fe 1981err_out_disable_mbx_intr:
13159183
SC		 1982 if (qlcnic_83xx_check(adapter)) {
1983 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1984 qlcnic_83xx_config_intrpt(adapter, 0);
1985 qlcnic_83xx_free_mbx_intr(adapter);
1986 }
7e2cf4fe 1987
af19b491
AKS		 1988err_out_disable_msi:
1989 qlcnic_teardown_intr(adapter);
7e2cf4fe 1990 qlcnic_cancel_idc_work(adapter);
21854f02 1991 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1992
b1fc6d3c
AC		 1993err_out_free_hw:
1994 qlcnic_free_adapter_resources(adapter);
1995
af19b491
AKS		 1996err_out_free_netdev:
1997 free_netdev(netdev);
1998
7e2cf4fe
SC		 1999err_out_iounmap:
2000 qlcnic_cleanup_pci_map(adapter);
2001
2002err_out_free_hw_res:
2003 kfree(ahw);
2004
af19b491
AKS		 2005err_out_free_res:
2006 pci_release_regions(pdev);
2007
2008err_out_disable_pdev:
2009 pci_set_drvdata(pdev, NULL);
2010 pci_disable_device(pdev);
2011 return err;
2012}
2013
6bb58bb0 2014static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2015{
2016 struct qlcnic_adapter *adapter;
2017 struct net_device *netdev;
13159183 2018 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2019
2020 adapter = pci_get_drvdata(pdev);
2021 if (adapter == NULL)
2022 return;
2023
2024 netdev = adapter->netdev;
2025
13159183
SC		 2026 qlcnic_cancel_idc_work(adapter);
2027 ahw = adapter->ahw;
af19b491
AKS		 2028
2029 unregister_netdev(netdev);
2030
13159183
SC		 2031 if (qlcnic_83xx_check(adapter)) {
2032 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2033 qlcnic_83xx_config_intrpt(adapter, 0);
2034 qlcnic_83xx_free_mbx_intr(adapter);
2035 }
2036
af19b491
AKS		 2037 qlcnic_detach(adapter);
2038
2e9d722d
AC		 2039 if (adapter->npars != NULL)
2040 kfree(adapter->npars);
2041 if (adapter->eswitch != NULL)
2042 kfree(adapter->eswitch);
2043
97ee45eb
SC		 2044 if (qlcnic_82xx_check(adapter))
2045 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2046
2047 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2048
b5e5492c
AKS		 2049 qlcnic_free_lb_filters_mem(adapter);
2050
af19b491
AKS		 2051 qlcnic_teardown_intr(adapter);
2052
13159183 2053 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 2054
2055 qlcnic_cleanup_pci_map(adapter);
2056
2057 qlcnic_release_firmware(adapter);
2058
451724c8 2059 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2060 pci_release_regions(pdev);
2061 pci_disable_device(pdev);
2062 pci_set_drvdata(pdev, NULL);
2063
13159183
SC		 2064 if (adapter->qlcnic_wq) {
2065 destroy_workqueue(adapter->qlcnic_wq);
2066 adapter->qlcnic_wq = NULL;
2067 }
b1fc6d3c 2068 qlcnic_free_adapter_resources(adapter);
13159183 2069 kfree(ahw);
af19b491
AKS		 2070 free_netdev(netdev);
2071}
2072static int __qlcnic_shutdown(struct pci_dev *pdev)
2073{
2074 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2075 struct net_device *netdev = adapter->netdev;
2076 int retval;
2077
2078 netif_device_detach(netdev);
2079
13159183 2080 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2081
2082 if (netif_running(netdev))
2083 qlcnic_down(adapter, netdev);
2084
97ee45eb
SC		 2085 if (qlcnic_82xx_check(adapter))
2086 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2087
2088 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2089
2090 retval = pci_save_state(pdev);
2091 if (retval)
2092 return retval;
97ee45eb
SC		 2093 if (qlcnic_82xx_check(adapter)) {
2094 if (qlcnic_wol_supported(adapter)) {
2095 pci_enable_wake(pdev, PCI_D3cold, 1);
2096 pci_enable_wake(pdev, PCI_D3hot, 1);
2097 }
af19b491
AKS		 2098 }
2099
2100 return 0;
2101}
2102
2103static void qlcnic_shutdown(struct pci_dev *pdev)
2104{
2105 if (__qlcnic_shutdown(pdev))
2106 return;
2107
2108 pci_disable_device(pdev);
2109}
2110
2111#ifdef CONFIG_PM
2112static int
2113qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2114{
2115 int retval;
2116
2117 retval = __qlcnic_shutdown(pdev);
2118 if (retval)
2119 return retval;
2120
2121 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2122 return 0;
2123}
2124
2125static int
2126qlcnic_resume(struct pci_dev *pdev)
2127{
2128 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2129 struct net_device *netdev = adapter->netdev;
2130 int err;
2131
2132 err = pci_enable_device(pdev);
2133 if (err)
2134 return err;
2135
2136 pci_set_power_state(pdev, PCI_D0);
2137 pci_set_master(pdev);
2138 pci_restore_state(pdev);
2139
13159183 2140 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2141 if (err) {
2142 dev_err(&pdev->dev, "failed to start firmware\n");
2143 return err;
2144 }
2145
2146 if (netif_running(netdev)) {
af19b491
AKS		 2147 err = qlcnic_up(adapter, netdev);
2148 if (err)
52486a3a 2149 goto done;
af19b491 2150
aec1e845 2151 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2152 }
52486a3a 2153done:
af19b491
AKS		 2154 netif_device_attach(netdev);
2155 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2156 return 0;
af19b491
AKS		 2157}
2158#endif
2159
2160static int qlcnic_open(struct net_device *netdev)
2161{
2162 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2163 int err;
2164
c55ad8e5
AKS		 2165 netif_carrier_off(netdev);
2166
af19b491
AKS		 2167 err = qlcnic_attach(adapter);
2168 if (err)
2169 return err;
2170
2171 err = __qlcnic_up(adapter, netdev);
2172 if (err)
2173 goto err_out;
2174
2175 netif_start_queue(netdev);
2176
2177 return 0;
2178
2179err_out:
2180 qlcnic_detach(adapter);
2181 return err;
2182}
2183
2184/*
2185 * qlcnic_close - Disables a network interface entry point
2186 */
2187static int qlcnic_close(struct net_device *netdev)
2188{
2189 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2190
2191 __qlcnic_down(adapter, netdev);
13159183
SC		 2192 if (qlcnic_83xx_check(adapter)) {
2193 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2194 cancel_delayed_work_sync(&adapter->idc_aen_work);
2195 }
2196
af19b491
AKS		 2197 return 0;
2198}
2199
e5dcf6dc 2200void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2201{
2202 void *head;
2203 int i;
13159183
SC		 2204 struct net_device *netdev = adapter->netdev;
2205 u32 filter_size = 0;
2206 u16 act_pci_func = 0;
b5e5492c 2207
e5dcf6dc 2208 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2209 return;
2210
13159183 2211 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c
AKS		 2212 spin_lock_init(&adapter->mac_learn_lock);
2213
13159183
SC		 2214 if (qlcnic_82xx_check(adapter)) {
2215 filter_size = QLCNIC_LB_MAX_FILTERS;
2216 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2217 } else {
2218 filter_size = QLC_83XX_LB_MAX_FILTERS;
2219 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2220 }
2221
2222 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2223 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2224
b5e5492c
AKS		 2225 if (!head)
2226 return;
2227
13159183 2228 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2229 adapter->fhash.fhead = head;
b5e5492c 2230
13159183
SC		 2231 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2232 act_pci_func, adapter->fhash.fmax);
2233
2234 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c
AKS		 2235 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2236}
2237
2238static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2239{
2240 if (adapter->fhash.fmax && adapter->fhash.fhead)
2241 kfree(adapter->fhash.fhead);
2242
2243 adapter->fhash.fhead = NULL;
2244 adapter->fhash.fmax = 0;
2245}
2246
629263ac 2247int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2248{
2249 struct net_device *netdev = adapter->netdev;
97ee45eb 2250 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2251 int rv = 0;
2252
13159183
SC		 2253 if (qlcnic_83xx_check(adapter))
2254 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2255
97ee45eb 2256 if (qlcnic_82xx_check(adapter))
a15ebd37 2257 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2258
2259 temp_state = qlcnic_get_temp_state(temp);
2260 temp_val = qlcnic_get_temp_val(temp);
2261
2262 if (temp_state == QLCNIC_TEMP_PANIC) {
2263 dev_err(&netdev->dev,
2264 "Device temperature %d degrees C exceeds"
2265 " maximum allowed. Hardware has been shut down.\n",
2266 temp_val);
2267 rv = 1;
2268 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2269 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2270 dev_err(&netdev->dev,
2271 "Device temperature %d degrees C "
2272 "exceeds operating range."
2273 " Immediate action needed.\n",
2274 temp_val);
2275 }
2276 } else {
79788450 2277 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2278 dev_info(&netdev->dev,
2279 "Device temperature is now %d degrees C"
2280 " in normal range.\n", temp_val);
2281 }
2282 }
79788450 2283 adapter->ahw->temp = temp_state;
af19b491
AKS		 2284 return rv;
2285}
2286
af19b491
AKS		 2287static void qlcnic_tx_timeout(struct net_device *netdev)
2288{
2289 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2290
2291 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2292 return;
2293
2294 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2295
2296 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2297 adapter->need_fw_reset = 1;
2298 else
79788450 2299 adapter->ahw->reset_context = 1;
af19b491
AKS		 2300}
2301
2302static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2303{
2304 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2305 struct net_device_stats *stats = &netdev->stats;
2306
af19b491
AKS		 2307 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2308 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2309 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2310 stats->tx_bytes = adapter->stats.txbytes;
2311 stats->rx_dropped = adapter->stats.rxdropped;
2312 stats->tx_dropped = adapter->stats.txdropped;
2313
2314 return stats;
2315}
2316
7e2cf4fe 2317irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2318{
af19b491
AKS		 2319 u32 status;
2320
2321 status = readl(adapter->isr_int_vec);
2322
79788450 2323 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2324 return IRQ_NONE;
2325
2326 /* check interrupt state machine, to be sure */
2327 status = readl(adapter->crb_int_state_reg);
2328 if (!ISR_LEGACY_INT_TRIGGERED(status))
2329 return IRQ_NONE;
2330
2331 writel(0xffffffff, adapter->tgt_status_reg);
2332 /* read twice to ensure write is flushed */
2333 readl(adapter->isr_int_vec);
2334 readl(adapter->isr_int_vec);
2335
7eb9855d
AKS		 2336 return IRQ_HANDLED;
2337}
2338
2339static irqreturn_t qlcnic_tmp_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 (adapter->flags & QLCNIC_MSIX_ENABLED)
2345 goto done;
2346 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2347 writel(0xffffffff, adapter->tgt_status_reg);
2348 goto done;
2349 }
2350
2351 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2352 return IRQ_NONE;
2353
2354done:
79788450 2355 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2356 qlcnic_enable_int(sds_ring);
2357 return IRQ_HANDLED;
2358}
2359
2360static irqreturn_t qlcnic_intr(int irq, void *data)
2361{
2362 struct qlcnic_host_sds_ring *sds_ring = data;
2363 struct qlcnic_adapter *adapter = sds_ring->adapter;
2364
2365 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2366 return IRQ_NONE;
2367
af19b491
AKS		 2368 napi_schedule(&sds_ring->napi);
2369
2370 return IRQ_HANDLED;
2371}
2372
2373static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2374{
2375 struct qlcnic_host_sds_ring *sds_ring = data;
2376 struct qlcnic_adapter *adapter = sds_ring->adapter;
2377
2378 /* clear interrupt */
2379 writel(0xffffffff, adapter->tgt_status_reg);
2380
2381 napi_schedule(&sds_ring->napi);
2382 return IRQ_HANDLED;
2383}
2384
2385static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2386{
2387 struct qlcnic_host_sds_ring *sds_ring = data;
2388
2389 napi_schedule(&sds_ring->napi);
2390 return IRQ_HANDLED;
2391}
2392
13159183
SC		 2393static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2394{
2395 struct qlcnic_host_tx_ring *tx_ring = data;
2396
2397 napi_schedule(&tx_ring->napi);
2398 return IRQ_HANDLED;
2399}
2400
af19b491
AKS		 2401#ifdef CONFIG_NET_POLL_CONTROLLER
2402static void qlcnic_poll_controller(struct net_device *netdev)
2403{
bf82791e
YL		 2404 int ring;
2405 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2406 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2407 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2408
af19b491 2409 disable_irq(adapter->irq);
bf82791e
YL		 2410 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2411 sds_ring = &recv_ctx->sds_rings[ring];
2412 qlcnic_intr(adapter->irq, sds_ring);
2413 }
af19b491
AKS		 2414 enable_irq(adapter->irq);
2415}
2416#endif
2417
6df900e9
SC		 2418static void
2419qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2420{
2421 u32 val;
2422
2423 val = adapter->portnum & 0xf;
2424 val |= encoding << 7;
2425 val |= (jiffies - adapter->dev_rst_time) << 8;
2426
a15ebd37 2427 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2428 adapter->dev_rst_time = jiffies;
2429}
2430
ade91f8e
AKS		 2431static int
2432qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2433{
2434 u32 val;
2435
2436 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2437 state != QLCNIC_DEV_NEED_QUISCENT);
2438
2439 if (qlcnic_api_lock(adapter))
ade91f8e 2440 return -EIO;
af19b491 2441
a15ebd37 2442 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2443
2444 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2445 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2446 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2447 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2448
a15ebd37 2449 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2450
2451 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2452
2453 return 0;
af19b491
AKS		 2454}
2455
1b95a839
AKS		 2456static int
2457qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2458{
2459 u32 val;
2460
2461 if (qlcnic_api_lock(adapter))
2462 return -EBUSY;
2463
a15ebd37 2464 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2465 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2466 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2467
2468 qlcnic_api_unlock(adapter);
2469
2470 return 0;
2471}
2472
af19b491 2473static void
21854f02 2474qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2475{
2476 u32 val;
2477
2478 if (qlcnic_api_lock(adapter))
2479 goto err;
2480
a15ebd37 2481 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2482 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2483 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2484
21854f02 2485 if (failed) {
a15ebd37
HM		 2486 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2487 QLCNIC_DEV_FAILED);
21854f02
AKS		 2488 dev_info(&adapter->pdev->dev,
2489 "Device state set to Failed. Please Reboot\n");
2490 } else if (!(val & 0x11111111))
a15ebd37
HM		 2491 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2492 QLCNIC_DEV_COLD);
af19b491 2493
a15ebd37 2494 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2495 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2496 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2497
2498 qlcnic_api_unlock(adapter);
2499err:
2500 adapter->fw_fail_cnt = 0;
032a13c7 2501 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2502 clear_bit(__QLCNIC_START_FW, &adapter->state);
2503 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2504}
2505
f73dfc50 2506/* Grab api lock, before checking state */
af19b491
AKS		 2507static int
2508qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2509{
602ca6f0 2510 int act, state, active_mask;
a15ebd37 2511 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2512
a15ebd37
HM		 2513 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2514 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2515
602ca6f0 2516 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2517 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2518 act = act & active_mask;
2519 }
2520
af19b491
AKS		 2521 if (((state & 0x11111111) == (act & 0x11111111)) ||
2522 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2523 return 0;
2524 else
2525 return 1;
2526}
2527
96f8118c
SC		 2528static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2529{
a15ebd37 2530 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2531
2532 if (val != QLCNIC_DRV_IDC_VER) {
2533 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2534 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2535 }
2536
2537 return 0;
2538}
2539
af19b491
AKS		 2540static int
2541qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2542{
2543 u32 val, prev_state;
aa5e18c0 2544 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2545 u8 portnum = adapter->portnum;
96f8118c 2546 u8 ret;
af19b491 2547
f73dfc50
AKS		 2548 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2549 return 1;
2550
af19b491
AKS		 2551 if (qlcnic_api_lock(adapter))
2552 return -1;
2553
a15ebd37 2554 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2555 if (!(val & (1 << (portnum * 4)))) {
2556 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2557 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2558 }
2559
a15ebd37 2560 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2561 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2562
2563 switch (prev_state) {
2564 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2565 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2566 QLCNIC_DEV_INITIALIZING);
2567 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2568 QLCNIC_DRV_IDC_VER);
6df900e9 2569 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2570 qlcnic_api_unlock(adapter);
2571 return 1;
2572
2573 case QLCNIC_DEV_READY:
96f8118c 2574 ret = qlcnic_check_idc_ver(adapter);
af19b491 2575 qlcnic_api_unlock(adapter);
96f8118c 2576 return ret;
af19b491
AKS		 2577
2578 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2579 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2580 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2581 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2582 break;
2583
2584 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2585 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2586 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2587 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2588 break;
2589
2590 case QLCNIC_DEV_FAILED:
a7fc948f 2591 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2592 qlcnic_api_unlock(adapter);
2593 return -1;
bbd8c6a4
AKS		 2594
2595 case QLCNIC_DEV_INITIALIZING:
2596 case QLCNIC_DEV_QUISCENT:
2597 break;
af19b491
AKS		 2598 }
2599
2600 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2601
2602 do {
af19b491 2603 msleep(1000);
a15ebd37 2604 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2605
2606 if (prev_state == QLCNIC_DEV_QUISCENT)
2607 continue;
2608 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2609
65b5b420
AKS		 2610 if (!dev_init_timeo) {
2611 dev_err(&adapter->pdev->dev,
2612 "Waiting for device to initialize timeout\n");
af19b491 2613 return -1;
65b5b420 2614 }
af19b491
AKS		 2615
2616 if (qlcnic_api_lock(adapter))
2617 return -1;
2618
a15ebd37 2619 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2620 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2621 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2622
96f8118c 2623 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2624 qlcnic_api_unlock(adapter);
2625
96f8118c 2626 return ret;
af19b491
AKS		 2627}
2628
2629static void
2630qlcnic_fwinit_work(struct work_struct *work)
2631{
2632 struct qlcnic_adapter *adapter = container_of(work,
2633 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2634 u32 dev_state = 0xf;
7b749ff4 2635 u32 val;
af19b491 2636
f73dfc50
AKS		 2637 if (qlcnic_api_lock(adapter))
2638 goto err_ret;
af19b491 2639
a15ebd37 2640 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2641 if (dev_state == QLCNIC_DEV_QUISCENT ||
2642 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2643 qlcnic_api_unlock(adapter);
2644 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2645 FW_POLL_DELAY * 2);
2646 return;
2647 }
2648
79788450 2649 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2650 qlcnic_api_unlock(adapter);
2651 goto wait_npar;
9f26f547
AC		 2652 }
2653
16e3cf73
SV		 2654 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2655 dev_state == QLCNIC_DEV_READY) {
2656 dev_info(&adapter->pdev->dev, "Detected state change from "
2657 "DEV_NEED_RESET, skipping ack check\n");
2658 goto skip_ack_check;
2659 }
2660
f73dfc50 2661 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2662 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2663 adapter->reset_ack_timeo);
2664 goto skip_ack_check;
2665 }
2666
2667 if (!qlcnic_check_drv_state(adapter)) {
2668skip_ack_check:
a15ebd37 2669 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2670
f73dfc50 2671 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2672 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2673 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2674 set_bit(__QLCNIC_START_FW, &adapter->state);
2675 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2676 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2677 val = QLC_SHARED_REG_RD32(adapter,
2678 QLCNIC_CRB_DRV_STATE);
7b749ff4 2679 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2680 QLC_SHARED_REG_WR32(adapter,
2681 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2682 }
2683
f73dfc50
AKS		 2684 qlcnic_api_unlock(adapter);
2685
287e38aa 2686 rtnl_lock();
7b749ff4
SV		 2687 if (adapter->ahw->fw_dump.enable &&
2688 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2689 QLCDB(adapter, DRV, "Take FW dump\n");
2690 qlcnic_dump_fw(adapter);
032a13c7 2691 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2692 }
287e38aa 2693 rtnl_unlock();
7b749ff4
SV		 2694
2695 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2696 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2697 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2698 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2699 return;
2700 }
af19b491
AKS		 2701 goto err_ret;
2702 }
2703
f73dfc50 2704 qlcnic_api_unlock(adapter);
aa5e18c0 2705
9f26f547 2706wait_npar:
a15ebd37 2707 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2708 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2709
af19b491 2710 switch (dev_state) {
3c4b23b1 2711 case QLCNIC_DEV_READY:
7e2cf4fe 2712 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2713 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2714 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2715 return;
2716 }
3c4b23b1
AKS		 2717 case QLCNIC_DEV_FAILED:
2718 break;
2719 default:
2720 qlcnic_schedule_work(adapter,
2721 qlcnic_fwinit_work, FW_POLL_DELAY);
2722 return;
af19b491
AKS		 2723 }
2724
2725err_ret:
f73dfc50
AKS		 2726 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2727 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2728 netif_device_attach(adapter->netdev);
21854f02 2729 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2730}
2731
2732static void
2733qlcnic_detach_work(struct work_struct *work)
2734{
2735 struct qlcnic_adapter *adapter = container_of(work,
2736 struct qlcnic_adapter, fw_work.work);
2737 struct net_device *netdev = adapter->netdev;
2738 u32 status;
2739
2740 netif_device_detach(netdev);
2741
b8c17620
AKS		 2742 /* Dont grab rtnl lock during Quiscent mode */
2743 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2744 if (netif_running(netdev))
2745 __qlcnic_down(adapter, netdev);
2746 } else
2747 qlcnic_down(adapter, netdev);
af19b491 2748
a15ebd37 2749 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2750
44f65b29
SC		 2751 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2752 dev_err(&adapter->pdev->dev,
2753 "Detaching the device: peg halt status1=0x%x\n",
2754 status);
2755
2756 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2757 dev_err(&adapter->pdev->dev,
2758 "On board active cooling fan failed. "
2759 "Device has been halted.\n");
2760 dev_err(&adapter->pdev->dev,
2761 "Replace the adapter.\n");
2762 }
2763
af19b491 2764 goto err_ret;
44f65b29 2765 }
af19b491 2766
79788450 2767 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2768 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2769 adapter->ahw->temp);
af19b491 2770 goto err_ret;
44f65b29
SC		 2771 }
2772
602ca6f0
SV		 2773 /* Dont ack if this instance is the reset owner */
2774 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2775 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2776 dev_err(&adapter->pdev->dev,
2777 "Failed to set driver state,"
2778 "detaching the device.\n");
602ca6f0 2779 goto err_ret;
44f65b29 2780 }
602ca6f0 2781 }
af19b491
AKS		 2782
2783 adapter->fw_wait_cnt = 0;
2784
2785 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2786
2787 return;
2788
2789err_ret:
34ce3626 2790 netif_device_attach(netdev);
21854f02 2791 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2792}
2793
3c4b23b1
AKS		 2794/*Transit NPAR state to NON Operational */
2795static void
2796qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2797{
2798 u32 state;
2799
a15ebd37 2800 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2801 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2802 return;
2803
2804 if (qlcnic_api_lock(adapter))
2805 return;
a15ebd37
HM		 2806 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2807 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2808 qlcnic_api_unlock(adapter);
2809}
2810
7e2cf4fe 2811void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2812{
646779f1
SV		 2813 u32 state, xg_val = 0, gb_val = 0;
2814
2815 qlcnic_xg_set_xg0_mask(xg_val);
2816 qlcnic_xg_set_xg1_mask(xg_val);
2817 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2818 qlcnic_gb_set_gb0_mask(gb_val);
2819 qlcnic_gb_set_gb1_mask(gb_val);
2820 qlcnic_gb_set_gb2_mask(gb_val);
2821 qlcnic_gb_set_gb3_mask(gb_val);
2822 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2823 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2824 " on all ports\n");
cea8975e 2825 adapter->need_fw_reset = 1;
13159183 2826
af19b491
AKS		 2827 if (qlcnic_api_lock(adapter))
2828 return;
2829
13159183 2830 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2831
f73dfc50 2832 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2833 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2834 QLCNIC_DEV_NEED_RESET);
602ca6f0 2835 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2836 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2837 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2838 }
2839
13159183
SC		 2840 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2841 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2842 qlcnic_api_unlock(adapter);
2843}
2844
9f26f547
AC		 2845/* Transit to NPAR READY state from NPAR NOT READY state */
2846static void
2847qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2848{
9f26f547
AC		 2849 if (qlcnic_api_lock(adapter))
2850 return;
2851
a15ebd37
HM		 2852 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2853 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2854 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2855
2856 qlcnic_api_unlock(adapter);
2857}
2858
13159183
SC		 2859void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2860 work_func_t func, int delay)
af19b491 2861{
451724c8
SC		 2862 if (test_bit(__QLCNIC_AER, &adapter->state))
2863 return;
2864
af19b491 2865 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2866 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2867 round_jiffies_relative(delay));
af19b491
AKS		 2868}
2869
2870static void
2871qlcnic_attach_work(struct work_struct *work)
2872{
2873 struct qlcnic_adapter *adapter = container_of(work,
2874 struct qlcnic_adapter, fw_work.work);
2875 struct net_device *netdev = adapter->netdev;
b18971d1 2876 u32 npar_state;
af19b491 2877
79788450 2878 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2879 npar_state = QLC_SHARED_REG_RD32(adapter,
2880 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2881 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2882 qlcnic_clr_all_drv_state(adapter, 0);
2883 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2884 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2885 FW_POLL_DELAY);
2886 else
2887 goto attach;
2888 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2889 return;
2890 }
2891attach:
af19b491 2892 if (netif_running(netdev)) {
52486a3a 2893 if (qlcnic_up(adapter, netdev))
af19b491 2894 goto done;
af19b491 2895
aec1e845 2896 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2897 }
2898
af19b491 2899done:
34ce3626 2900 netif_device_attach(netdev);
af19b491 2901 adapter->fw_fail_cnt = 0;
032a13c7 2902 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2903 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2904
2905 if (!qlcnic_clr_drv_state(adapter))
2906 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2907 FW_POLL_DELAY);
af19b491
AKS		 2908}
2909
2910static int
2911qlcnic_check_health(struct qlcnic_adapter *adapter)
2912{
4e70812b 2913 u32 state = 0, heartbeat;
853d4bca 2914 u32 peg_status;
af19b491
AKS		 2915
2916 if (qlcnic_check_temp(adapter))
2917 goto detach;
2918
2372a5f1 2919 if (adapter->need_fw_reset)
7e2cf4fe 2920 qlcnic_dev_request_reset(adapter, 0);
af19b491 2921
a15ebd37 2922 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2923 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2924 qlcnic_set_npar_non_operational(adapter);
af19b491 2925 adapter->need_fw_reset = 1;
b8c17620
AKS		 2926 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2927 goto detach;
af19b491 2928
a15ebd37 2929 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2930 if (heartbeat != adapter->heartbeat) {
2931 adapter->heartbeat = heartbeat;
af19b491
AKS		 2932 adapter->fw_fail_cnt = 0;
2933 if (adapter->need_fw_reset)
2934 goto detach;
68bf1c68 2935
099f7aa7 2936 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2937 qlcnic_reset_hw_context(adapter);
2938 adapter->netdev->trans_start = jiffies;
2939 }
2940
af19b491
AKS		 2941 return 0;
2942 }
2943
2944 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2945 return 0;
2946
032a13c7
SV		 2947 adapter->flags |= QLCNIC_FW_HANG;
2948
7e2cf4fe 2949 qlcnic_dev_request_reset(adapter, 0);
af19b491 2950
099f7aa7 2951 if (qlcnic_auto_fw_reset)
0df170b6 2952 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2953
853d4bca 2954 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2955 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2956 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2957 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2958 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2959 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2960 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2961 peg_status,
2962 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2963 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2964 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2965 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2966 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2967 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2968 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2969 dev_err(&adapter->pdev->dev,
2970 "Firmware aborted with error code 0x00006700. "
2971 "Device is being reset.\n");
af19b491
AKS		 2972detach:
2973 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2974 QLCNIC_DEV_NEED_RESET;
2975
099f7aa7
SC		 2976 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2977 &adapter->state)) {
65b5b420 2978
af19b491 2979 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2980 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2981 }
af19b491
AKS		 2982
2983 return 1;
2984}
2985
2986static void
2987qlcnic_fw_poll_work(struct work_struct *work)
2988{
2989 struct qlcnic_adapter *adapter = container_of(work,
2990 struct qlcnic_adapter, fw_work.work);
2991
2992 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2993 goto reschedule;
2994
2995
2996 if (qlcnic_check_health(adapter))
2997 return;
2998
b5e5492c
AKS		 2999 if (adapter->fhash.fnum)
3000 qlcnic_prune_lb_filters(adapter);
3001
af19b491
AKS		 3002reschedule:
3003 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3004}
3005
451724c8
SC		 3006static int qlcnic_is_first_func(struct pci_dev *pdev)
3007{
3008 struct pci_dev *oth_pdev;
3009 int val = pdev->devfn;
3010
3011 while (val-- > 0) {
3012 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3013 (pdev->bus), pdev->bus->number,
3014 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3015 if (!oth_pdev)
3016 continue;
451724c8 3017
bfc978fa
AKS		 3018 if (oth_pdev->current_state != PCI_D3cold) {
3019 pci_dev_put(oth_pdev);
451724c8 3020 return 0;
bfc978fa
AKS		 3021 }
3022 pci_dev_put(oth_pdev);
451724c8
SC		 3023 }
3024 return 1;
3025}
3026
3027static int qlcnic_attach_func(struct pci_dev *pdev)
3028{
3029 int err, first_func;
3030 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3031 struct net_device *netdev = adapter->netdev;
3032
3033 pdev->error_state = pci_channel_io_normal;
3034
3035 err = pci_enable_device(pdev);
3036 if (err)
3037 return err;
3038
3039 pci_set_power_state(pdev, PCI_D0);
3040 pci_set_master(pdev);
3041 pci_restore_state(pdev);
3042
3043 first_func = qlcnic_is_first_func(pdev);
3044
3045 if (qlcnic_api_lock(adapter))
3046 return -EINVAL;
3047
79788450 3048 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3049 adapter->need_fw_reset = 1;
3050 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3051 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3052 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3053 QLCDB(adapter, DRV, "Restarting fw\n");
3054 }
3055 qlcnic_api_unlock(adapter);
3056
13159183 3057 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3058 if (err)
3059 return err;
3060
3061 qlcnic_clr_drv_state(adapter);
13159183
SC		 3062 kfree(adapter->msix_entries);
3063 adapter->msix_entries = NULL;
3064 err = qlcnic_setup_intr(adapter, 0);
3065
9a97e705
M		 3066 if (err) {
3067 kfree(adapter->msix_entries);
3068 netdev_err(netdev, "failed to setup interrupt\n");
3069 return err;
3070 }
3071
13159183
SC		 3072 if (qlcnic_83xx_check(adapter)) {
3073 err = qlcnic_83xx_setup_mbx_intr(adapter);
3074 if (err) {
3075 dev_err(&adapter->pdev->dev,
3076 "failed to setup mbx interrupt\n");
3077 qlcnic_clr_all_drv_state(adapter, 1);
3078 clear_bit(__QLCNIC_AER, &adapter->state);
3079 goto done;
3080 }
3081 }
451724c8
SC		 3082
3083 if (netif_running(netdev)) {
3084 err = qlcnic_attach(adapter);
3085 if (err) {
21854f02 3086 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3087 clear_bit(__QLCNIC_AER, &adapter->state);
3088 netif_device_attach(netdev);
3089 return err;
3090 }
3091
3092 err = qlcnic_up(adapter, netdev);
3093 if (err)
3094 goto done;
3095
aec1e845 3096 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3097 }
3098 done:
3099 netif_device_attach(netdev);
3100 return err;
3101}
3102
3103static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3104 pci_channel_state_t state)
3105{
3106 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3107 struct net_device *netdev = adapter->netdev;
3108
3109 if (state == pci_channel_io_perm_failure)
3110 return PCI_ERS_RESULT_DISCONNECT;
3111
3112 if (state == pci_channel_io_normal)
3113 return PCI_ERS_RESULT_RECOVERED;
3114
3115 set_bit(__QLCNIC_AER, &adapter->state);
3116 netif_device_detach(netdev);
3117
3118 cancel_delayed_work_sync(&adapter->fw_work);
3119
3120 if (netif_running(netdev))
3121 qlcnic_down(adapter, netdev);
3122
13159183
SC		 3123 if (qlcnic_83xx_check(adapter)) {
3124 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3125 qlcnic_83xx_config_intrpt(adapter, 0);
3126 qlcnic_83xx_free_mbx_intr(adapter);
3127 }
3128
451724c8
SC		 3129 qlcnic_detach(adapter);
3130 qlcnic_teardown_intr(adapter);
3131
3132 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3133
3134 pci_save_state(pdev);
3135 pci_disable_device(pdev);
3136
3137 return PCI_ERS_RESULT_NEED_RESET;
3138}
3139
3140static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3141{
3142 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3143 PCI_ERS_RESULT_RECOVERED;
3144}
3145
3146static void qlcnic_io_resume(struct pci_dev *pdev)
3147{
a15ebd37 3148 u32 state;
451724c8
SC		 3149 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3150
3151 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3152 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3153 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3154 &adapter->state))
451724c8
SC		 3155 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3156 FW_POLL_DELAY);
3157}
3158
87eb743b
AC		 3159static int
3160qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3161{
3162 int err;
3163
3164 err = qlcnic_can_start_firmware(adapter);
3165 if (err)
3166 return err;
3167
78f84e1a
AKS		 3168 err = qlcnic_check_npar_opertional(adapter);
3169 if (err)
3170 return err;
3c4b23b1 3171
174240a8
RB		 3172 err = qlcnic_initialize_nic(adapter);
3173 if (err)
3174 return err;
3175
87eb743b
AC		 3176 qlcnic_check_options(adapter);
3177
7373373d
RB		 3178 err = qlcnic_set_eswitch_port_config(adapter);
3179 if (err)
3180 return err;
3181
87eb743b
AC		 3182 adapter->need_fw_reset = 0;
3183
3184 return err;
3185}
3186
319ecf12 3187int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3188{
319ecf12
SC		 3189 u32 max_allowed;
3190
3191 if (max_hw > QLC_MAX_SDS_RINGS) {
3192 max_hw = QLC_MAX_SDS_RINGS;
3193 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3194 }
3195
319ecf12
SC		 3196 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3197 num_online_cpus()));
3198 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3199 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3200 max_allowed);
f94bc1e7
SC		 3201 return -EINVAL;
3202 }
3203 return 0;
f94bc1e7
SC		 3204}
3205
319ecf12 3206int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3207{
13159183 3208 int err;
f94bc1e7 3209 struct net_device *netdev = adapter->netdev;
f94bc1e7 3210
319ecf12
SC		 3211 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3212 return -EBUSY;
3213
f94bc1e7
SC		 3214 netif_device_detach(netdev);
3215 if (netif_running(netdev))
3216 __qlcnic_down(adapter, netdev);
13159183 3217
cdc84dda 3218 if (qlcnic_83xx_check(adapter)) {
13159183
SC		 3219 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3220 qlcnic_83xx_config_intrpt(adapter, 0);
3221 qlcnic_83xx_free_mbx_intr(adapter);
3222 }
3223
f94bc1e7
SC		 3224 qlcnic_detach(adapter);
3225 qlcnic_teardown_intr(adapter);
319ecf12 3226 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3227 if (err) {
3228 kfree(adapter->msix_entries);
3229 netdev_err(netdev, "failed to setup interrupt\n");
3230 return err;
3231 }
f94bc1e7 3232
13159183
SC		 3233 if (qlcnic_83xx_check(adapter)) {
3234 err = qlcnic_83xx_setup_mbx_intr(adapter);
3235 if (err) {
3236 dev_err(&adapter->pdev->dev,
3237 "failed to setup mbx interrupt\n");
3238 goto done;
3239 }
f94bc1e7
SC		 3240 }
3241
3242 if (netif_running(netdev)) {
3243 err = qlcnic_attach(adapter);
3244 if (err)
3245 goto done;
3246 err = __qlcnic_up(adapter, netdev);
3247 if (err)
3248 goto done;
3249 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3250 }
319ecf12 3251 err = len;
f94bc1e7
SC		 3252 done:
3253 netif_device_attach(netdev);
3254 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3255 return err;
3256}
3257
af19b491
AKS		 3258#ifdef CONFIG_INET
3259
3260#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3261
af19b491 3262static void
aec1e845
AKS		 3263qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3264 struct net_device *dev, unsigned long event)
af19b491
AKS		 3265{
3266 struct in_device *indev;
af19b491 3267
af19b491
AKS		 3268 indev = in_dev_get(dev);
3269 if (!indev)
3270 return;
3271
3272 for_ifa(indev) {
3273 switch (event) {
3274 case NETDEV_UP:
3275 qlcnic_config_ipaddr(adapter,
3276 ifa->ifa_address, QLCNIC_IP_UP);
3277 break;
3278 case NETDEV_DOWN:
3279 qlcnic_config_ipaddr(adapter,
3280 ifa->ifa_address, QLCNIC_IP_DOWN);
3281 break;
3282 default:
3283 break;
3284 }
3285 } endfor_ifa(indev);
3286
3287 in_dev_put(indev);
af19b491
AKS		 3288}
3289
319ecf12 3290void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3291{
3292 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3293 struct net_device *dev;
3294 u16 vid;
3295
3296 qlcnic_config_indev_addr(adapter, netdev, event);
3297
43c00a75 3298 rcu_read_lock();
b9796a14 3299 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3300 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3301 if (!dev)
3302 continue;
aec1e845
AKS		 3303 qlcnic_config_indev_addr(adapter, dev, event);
3304 }
43c00a75 3305 rcu_read_unlock();
aec1e845
AKS		 3306}
3307
af19b491
AKS		 3308static int qlcnic_netdev_event(struct notifier_block *this,
3309 unsigned long event, void *ptr)
3310{
3311 struct qlcnic_adapter *adapter;
3312 struct net_device *dev = (struct net_device *)ptr;
3313
3314recheck:
3315 if (dev == NULL)
3316 goto done;
3317
3318 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3319 dev = vlan_dev_real_dev(dev);
3320 goto recheck;
3321 }
3322
3323 if (!is_qlcnic_netdev(dev))
3324 goto done;
3325
3326 adapter = netdev_priv(dev);
3327
3328 if (!adapter)
3329 goto done;
3330
8a15ad1f 3331 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3332 goto done;
3333
aec1e845 3334 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3335done:
3336 return NOTIFY_DONE;
3337}
3338
3339static int
3340qlcnic_inetaddr_event(struct notifier_block *this,
3341 unsigned long event, void *ptr)
3342{
3343 struct qlcnic_adapter *adapter;
3344 struct net_device *dev;
3345
3346 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3347
3348 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3349
3350recheck:
aec1e845 3351 if (dev == NULL)
af19b491
AKS		 3352 goto done;
3353
3354 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3355 dev = vlan_dev_real_dev(dev);
3356 goto recheck;
3357 }
3358
3359 if (!is_qlcnic_netdev(dev))
3360 goto done;
3361
3362 adapter = netdev_priv(dev);
3363
251a84c9 3364 if (!adapter)
af19b491
AKS		 3365 goto done;
3366
8a15ad1f 3367 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3368 goto done;
3369
3370 switch (event) {
3371 case NETDEV_UP:
3372 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3373
af19b491
AKS		 3374 break;
3375 case NETDEV_DOWN:
3376 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3377
af19b491
AKS		 3378 break;
3379 default:
3380 break;
3381 }
3382
3383done:
3384 return NOTIFY_DONE;
3385}
3386
3387static struct notifier_block qlcnic_netdev_cb = {
3388 .notifier_call = qlcnic_netdev_event,
3389};
3390
3391static struct notifier_block qlcnic_inetaddr_cb = {
3392 .notifier_call = qlcnic_inetaddr_event,
3393};
3394#else
f8ca2b6f 3395void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3396{ }
3397#endif
63507592 3398static struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3399 .error_detected = qlcnic_io_error_detected,
3400 .slot_reset = qlcnic_io_slot_reset,
3401 .resume = qlcnic_io_resume,
3402};
af19b491
AKS		 3403
3404static struct pci_driver qlcnic_driver = {
3405 .name = qlcnic_driver_name,
3406 .id_table = qlcnic_pci_tbl,
3407 .probe = qlcnic_probe,
6bb58bb0 3408 .remove = qlcnic_remove,
af19b491
AKS		 3409#ifdef CONFIG_PM
3410 .suspend = qlcnic_suspend,
3411 .resume = qlcnic_resume,
3412#endif
451724c8
SC		 3413 .shutdown = qlcnic_shutdown,
3414 .err_handler = &qlcnic_err_handler
3415
af19b491
AKS		 3416};
3417
3418static int __init qlcnic_init_module(void)
3419{
0cf3a14c 3420 int ret;
af19b491
AKS		 3421
3422 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3423
3424#ifdef CONFIG_INET
3425 register_netdevice_notifier(&qlcnic_netdev_cb);
3426 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3427#endif
3428
0cf3a14c
AKS		 3429 ret = pci_register_driver(&qlcnic_driver);
3430 if (ret) {
3431#ifdef CONFIG_INET
3432 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3433 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3434#endif
3435 }
af19b491 3436
0cf3a14c 3437 return ret;
af19b491
AKS		 3438}
3439
3440module_init(qlcnic_init_module);
3441
3442static void __exit qlcnic_exit_module(void)
3443{
af19b491
AKS		 3444 pci_unregister_driver(&qlcnic_driver);
3445
3446#ifdef CONFIG_INET
3447 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3448 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3449#endif
3450}
3451
3452module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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