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crush: include header for global symbols
[linux-2.6-block.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
5a0e3ad6 8#include <linux/slab.h>
af19b491
AKS		 9#include <linux/vmalloc.h>
10#include <linux/interrupt.h>
11
12#include "qlcnic.h"
13
7e56cac4 14#include <linux/swab.h>
af19b491 15#include <linux/dma-mapping.h>
af19b491
AKS		 16#include <net/ip.h>
17#include <linux/ipv6.h>
18#include <linux/inetdevice.h>
19#include <linux/sysfs.h>
451724c8 20#include <linux/aer.h>
f94bc1e7 21#include <linux/log2.h>
af19b491 22
7f9a0c34 23MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 24MODULE_LICENSE("GPL");
25MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
26MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
27
28char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 29static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
30 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 31
f7ec804a 32static struct workqueue_struct *qlcnic_wq;
b5e5492c 33static int qlcnic_mac_learn;
b11a25aa 34module_param(qlcnic_mac_learn, int, 0444);
b5e5492c
AKS		 35MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
36
af19b491 37static int use_msi = 1;
b11a25aa 38module_param(use_msi, int, 0444);
af19b491
AKS		 39MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
40
41static int use_msi_x = 1;
b11a25aa 42module_param(use_msi_x, int, 0444);
af19b491
AKS		 43MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
44
9ce13ca8 45static int auto_fw_reset = 1;
af19b491
AKS		 46module_param(auto_fw_reset, int, 0644);
47MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
48
4d5bdb38 49static int load_fw_file;
b11a25aa 50module_param(load_fw_file, int, 0444);
4d5bdb38
AKS		 51MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
52
2e9d722d 53static int qlcnic_config_npars;
b11a25aa 54module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 55MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
56
af19b491
AKS		 57static int __devinit qlcnic_probe(struct pci_dev *pdev,
58 const struct pci_device_id *ent);
59static void __devexit qlcnic_remove(struct pci_dev *pdev);
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);
66static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
67 work_func_t func, int delay);
68static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
69static int qlcnic_poll(struct napi_struct *napi, int budget);
8f891387 70static int qlcnic_rx_poll(struct napi_struct *napi, int budget);
af19b491
AKS		 71#ifdef CONFIG_NET_POLL_CONTROLLER
72static void qlcnic_poll_controller(struct net_device *netdev);
73#endif
74
75static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
76static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
77static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter);
78static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter);
79
6df900e9 80static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 81static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 82static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
83
7eb9855d 84static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 85static irqreturn_t qlcnic_intr(int irq, void *data);
86static irqreturn_t qlcnic_msi_intr(int irq, void *data);
87static irqreturn_t qlcnic_msix_intr(int irq, void *data);
88
89static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
aec1e845 90static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
9f26f547
AC		 91static int qlcnic_start_firmware(struct qlcnic_adapter *);
92
b5e5492c 93static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 94static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547
AC		 95static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
96static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
97static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 98static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
99 struct qlcnic_esw_func_cfg *);
8e586137
JP		 100static int qlcnic_vlan_rx_add(struct net_device *, u16);
101static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 102
af19b491
AKS		 103/* PCI Device ID Table */
104#define ENTRY(device) \
105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
107
108#define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
109
6a902881 110static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491
AKS		 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
112 {0,}
113};
114
115MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
116
117
b1fc6d3c 118inline void
af19b491
AKS		 119qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
120 struct qlcnic_host_tx_ring *tx_ring)
121{
122 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 123}
124
125static const u32 msi_tgt_status[8] = {
126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
130};
131
132static const
133struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
134
135static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring)
136{
137 writel(0, sds_ring->crb_intr_mask);
138}
139
140static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring)
141{
142 struct qlcnic_adapter *adapter = sds_ring->adapter;
143
144 writel(0x1, sds_ring->crb_intr_mask);
145
146 if (!QLCNIC_IS_MSI_FAMILY(adapter))
147 writel(0xfbff, adapter->tgt_mask_reg);
148}
149
150static int
151qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
152{
153 int size = sizeof(struct qlcnic_host_sds_ring) * count;
154
155 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
156
807540ba 157 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 158}
159
160static void
161qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
162{
163 if (recv_ctx->sds_rings != NULL)
164 kfree(recv_ctx->sds_rings);
165
166 recv_ctx->sds_rings = NULL;
167}
168
169static int
170qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev)
171{
172 int ring;
173 struct qlcnic_host_sds_ring *sds_ring;
b1fc6d3c 174 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491
AKS		 175
176 if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
177 return -ENOMEM;
178
179 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
180 sds_ring = &recv_ctx->sds_rings[ring];
8f891387 181
182 if (ring == adapter->max_sds_rings - 1)
183 netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll,
184 QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings);
185 else
186 netif_napi_add(netdev, &sds_ring->napi,
187 qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2);
af19b491
AKS		 188 }
189
190 return 0;
191}
192
193static void
194qlcnic_napi_del(struct qlcnic_adapter *adapter)
195{
196 int ring;
197 struct qlcnic_host_sds_ring *sds_ring;
b1fc6d3c 198 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491
AKS		 199
200 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
201 sds_ring = &recv_ctx->sds_rings[ring];
202 netif_napi_del(&sds_ring->napi);
203 }
204
b1fc6d3c 205 qlcnic_free_sds_rings(adapter->recv_ctx);
af19b491
AKS		 206}
207
208static void
209qlcnic_napi_enable(struct qlcnic_adapter *adapter)
210{
211 int ring;
212 struct qlcnic_host_sds_ring *sds_ring;
b1fc6d3c 213 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 214
780ab790
AKS		 215 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
216 return;
217
af19b491
AKS		 218 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
219 sds_ring = &recv_ctx->sds_rings[ring];
220 napi_enable(&sds_ring->napi);
221 qlcnic_enable_int(sds_ring);
222 }
223}
224
225static void
226qlcnic_napi_disable(struct qlcnic_adapter *adapter)
227{
228 int ring;
229 struct qlcnic_host_sds_ring *sds_ring;
b1fc6d3c 230 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 231
780ab790
AKS		 232 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
233 return;
234
af19b491
AKS		 235 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
236 sds_ring = &recv_ctx->sds_rings[ring];
237 qlcnic_disable_int(sds_ring);
238 napi_synchronize(&sds_ring->napi);
239 napi_disable(&sds_ring->napi);
240 }
241}
242
243static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
244{
245 memset(&adapter->stats, 0, sizeof(adapter->stats));
af19b491
AKS		 246}
247
af19b491
AKS		 248static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
249{
250 u32 control;
251 int pos;
252
253 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
254 if (pos) {
255 pci_read_config_dword(pdev, pos, &control);
256 if (enable)
257 control |= PCI_MSIX_FLAGS_ENABLE;
258 else
259 control = 0;
260 pci_write_config_dword(pdev, pos, control);
261 }
262}
263
264static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
265{
266 int i;
267
268 for (i = 0; i < count; i++)
269 adapter->msix_entries[i].entry = i;
270}
271
272static int
273qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
274{
2e9d722d 275 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 276 struct net_device *netdev = adapter->netdev;
277 struct pci_dev *pdev = adapter->pdev;
278
da48e6c3 279 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 280 return -EIO;
281
2e9d722d 282 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 283 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
284 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
285
286 /* set station address */
287
288 if (!is_valid_ether_addr(netdev->perm_addr))
289 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
290 netdev->dev_addr);
291
292 return 0;
293}
294
295static int qlcnic_set_mac(struct net_device *netdev, void *p)
296{
297 struct qlcnic_adapter *adapter = netdev_priv(netdev);
298 struct sockaddr *addr = p;
299
7373373d
RB		 300 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
301 return -EOPNOTSUPP;
302
af19b491 303 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a 304 return -EADDRNOTAVAIL;
af19b491 305
8a15ad1f 306 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 307 netif_device_detach(netdev);
308 qlcnic_napi_disable(adapter);
309 }
310
311 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
312 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
313 qlcnic_set_multi(adapter->netdev);
314
8a15ad1f 315 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 316 netif_device_attach(netdev);
317 qlcnic_napi_enable(adapter);
318 }
319 return 0;
320}
321
322static const struct net_device_ops qlcnic_netdev_ops = {
323 .ndo_open = qlcnic_open,
324 .ndo_stop = qlcnic_close,
325 .ndo_start_xmit = qlcnic_xmit_frame,
326 .ndo_get_stats = qlcnic_get_stats,
327 .ndo_validate_addr = eth_validate_addr,
afc4b13d 328 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 329 .ndo_set_mac_address = qlcnic_set_mac,
330 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 331 .ndo_fix_features = qlcnic_fix_features,
332 .ndo_set_features = qlcnic_set_features,
af19b491 333 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 334 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
335 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
af19b491
AKS		 336#ifdef CONFIG_NET_POLL_CONTROLLER
337 .ndo_poll_controller = qlcnic_poll_controller,
338#endif
339};
340
2e9d722d 341static struct qlcnic_nic_template qlcnic_ops = {
2e9d722d
AC		 342 .config_bridged_mode = qlcnic_config_bridged_mode,
343 .config_led = qlcnic_config_led,
9f26f547
AC		 344 .start_firmware = qlcnic_start_firmware
345};
346
347static struct qlcnic_nic_template qlcnic_vf_ops = {
9f26f547
AC		 348 .config_bridged_mode = qlcnicvf_config_bridged_mode,
349 .config_led = qlcnicvf_config_led,
9f26f547 350 .start_firmware = qlcnicvf_start_firmware
2e9d722d
AC		 351};
352
f94bc1e7 353static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 354{
af19b491 355 struct pci_dev *pdev = adapter->pdev;
f94bc1e7 356 int err = -1;
af19b491
AKS		 357
358 adapter->max_sds_rings = 1;
af19b491 359 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491
AKS		 360 qlcnic_set_msix_bit(pdev, 0);
361
362 if (adapter->msix_supported) {
f94bc1e7 363 enable_msix:
af19b491
AKS		 364 qlcnic_init_msix_entries(adapter, num_msix);
365 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
366 if (err == 0) {
367 adapter->flags |= QLCNIC_MSIX_ENABLED;
368 qlcnic_set_msix_bit(pdev, 1);
369
b1fc6d3c 370 adapter->max_sds_rings = num_msix;
af19b491
AKS		 371
372 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 373 return err;
af19b491 374 }
f94bc1e7
SC		 375 if (err > 0) {
376 num_msix = rounddown_pow_of_two(err);
377 if (num_msix)
378 goto enable_msix;
379 }
380 }
381 return err;
382}
af19b491 383
af19b491 384
f94bc1e7
SC		 385static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
386{
387 const struct qlcnic_legacy_intr_set *legacy_intrp;
388 struct pci_dev *pdev = adapter->pdev;
af19b491
AKS		 389
390 if (use_msi && !pci_enable_msi(pdev)) {
391 adapter->flags |= QLCNIC_MSI_ENABLED;
392 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
b1fc6d3c 393 msi_tgt_status[adapter->ahw->pci_func]);
af19b491
AKS		 394 dev_info(&pdev->dev, "using msi interrupts\n");
395 adapter->msix_entries[0].vector = pdev->irq;
396 return;
397 }
398
f94bc1e7
SC		 399 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
400
401 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
402 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
403 legacy_intrp->tgt_status_reg);
404 adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter,
405 legacy_intrp->tgt_mask_reg);
406 adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR);
407
408 adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter,
409 ISR_INT_STATE_REG);
af19b491
AKS		 410 dev_info(&pdev->dev, "using legacy interrupts\n");
411 adapter->msix_entries[0].vector = pdev->irq;
412}
413
f94bc1e7
SC		 414static void
415qlcnic_setup_intr(struct qlcnic_adapter *adapter)
416{
417 int num_msix;
418
419 if (adapter->msix_supported) {
5f6ec29a
SC		 420 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
421 QLCNIC_DEF_NUM_STS_DESC_RINGS));
f94bc1e7
SC		 422 } else
423 num_msix = 1;
424
425 if (!qlcnic_enable_msix(adapter, num_msix))
426 return;
427
428 qlcnic_enable_msi_legacy(adapter);
429}
430
af19b491
AKS		 431static void
432qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
433{
434 if (adapter->flags & QLCNIC_MSIX_ENABLED)
435 pci_disable_msix(adapter->pdev);
436 if (adapter->flags & QLCNIC_MSI_ENABLED)
437 pci_disable_msi(adapter->pdev);
438}
439
440static void
441qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
442{
b1fc6d3c
AC		 443 if (adapter->ahw->pci_base0 != NULL)
444 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 445}
446
346fe763
RB		 447static int
448qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
449{
e88db3bd 450 struct qlcnic_pci_info *pci_info;
900853a4 451 int i, ret = 0;
346fe763
RB		 452 u8 pfn;
453
e88db3bd
DC		 454 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
455 if (!pci_info)
456 return -ENOMEM;
457
ca315ac2 458 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
346fe763 459 QLCNIC_MAX_PCI_FUNC, GFP_KERNEL);
e88db3bd 460 if (!adapter->npars) {
900853a4 461 ret = -ENOMEM;
e88db3bd
DC		 462 goto err_pci_info;
463 }
346fe763 464
ca315ac2 465 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 466 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
467 if (!adapter->eswitch) {
900853a4 468 ret = -ENOMEM;
ca315ac2 469 goto err_npars;
346fe763
RB		 470 }
471
472 ret = qlcnic_get_pci_info(adapter, pci_info);
ca315ac2
DC		 473 if (ret)
474 goto err_eswitch;
346fe763 475
ca315ac2
DC		 476 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
477 pfn = pci_info[i].id;
f848d6dd
SC		 478 if (pfn > QLCNIC_MAX_PCI_FUNC) {
479 ret = QL_STATUS_INVALID_PARAM;
480 goto err_eswitch;
481 }
a1c0c459
SC		 482 adapter->npars[pfn].active = (u8)pci_info[i].active;
483 adapter->npars[pfn].type = (u8)pci_info[i].type;
484 adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port;
ca315ac2
DC		 485 adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw;
486 adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw;
346fe763
RB		 487 }
488
ca315ac2
DC		 489 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
490 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
491
e88db3bd 492 kfree(pci_info);
ca315ac2
DC		 493 return 0;
494
495err_eswitch:
346fe763
RB		 496 kfree(adapter->eswitch);
497 adapter->eswitch = NULL;
ca315ac2 498err_npars:
346fe763 499 kfree(adapter->npars);
ca315ac2 500 adapter->npars = NULL;
e88db3bd
DC		 501err_pci_info:
502 kfree(pci_info);
346fe763
RB		 503
504 return ret;
505}
506
2e9d722d
AC		 507static int
508qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
509{
510 u8 id;
511 u32 ref_count;
512 int i, ret = 1;
513 u32 data = QLCNIC_MGMT_FUNC;
b1fc6d3c 514 void __iomem *priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
2e9d722d
AC		 515
516 /* If other drivers are not in use set their privilege level */
31018e06 517 ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2e9d722d
AC		 518 ret = qlcnic_api_lock(adapter);
519 if (ret)
520 goto err_lock;
2e9d722d 521
0e33c664
AC		 522 if (qlcnic_config_npars) {
523 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
346fe763 524 id = i;
0e33c664 525 if (adapter->npars[i].type != QLCNIC_TYPE_NIC ||
b1fc6d3c 526 id == adapter->ahw->pci_func)
0e33c664
AC		 527 continue;
528 data |= (qlcnic_config_npars &
529 QLC_DEV_SET_DRV(0xf, id));
530 }
531 } else {
532 data = readl(priv_op);
b1fc6d3c 533 data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw->pci_func)) |
0e33c664 534 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
b1fc6d3c 535 adapter->ahw->pci_func));
2e9d722d
AC		 536 }
537 writel(data, priv_op);
2e9d722d
AC		 538 qlcnic_api_unlock(adapter);
539err_lock:
540 return ret;
541}
542
0866d96d
AC		 543static void
544qlcnic_check_vf(struct qlcnic_adapter *adapter)
2e9d722d
AC		 545{
546 void __iomem *msix_base_addr;
547 void __iomem *priv_op;
548 u32 func;
549 u32 msix_base;
550 u32 op_mode, priv_level;
551
552 /* Determine FW API version */
b1fc6d3c
AC		 553 adapter->fw_hal_version = readl(adapter->ahw->pci_base0 +
554 QLCNIC_FW_API);
2e9d722d
AC		 555
556 /* Find PCI function number */
557 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
b1fc6d3c 558 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
2e9d722d
AC		 559 msix_base = readl(msix_base_addr);
560 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
b1fc6d3c 561 adapter->ahw->pci_func = func;
2e9d722d
AC		 562
563 /* Determine function privilege level */
b1fc6d3c 564 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
2e9d722d 565 op_mode = readl(priv_op);
0e33c664 566 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 567 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 568 else
b1fc6d3c 569 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 570
0866d96d 571 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
9f26f547
AC		 572 adapter->op_mode = QLCNIC_NON_PRIV_FUNC;
573 dev_info(&adapter->pdev->dev,
574 "HAL Version: %d Non Privileged function\n",
575 adapter->fw_hal_version);
576 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 577 } else
578 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 579}
580
af19b491
AKS		 581static int
582qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
583{
584 void __iomem *mem_ptr0 = NULL;
585 resource_size_t mem_base;
586 unsigned long mem_len, pci_len0 = 0;
587
588 struct pci_dev *pdev = adapter->pdev;
af19b491 589
af19b491
AKS		 590 /* remap phys address */
591 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
592 mem_len = pci_resource_len(pdev, 0);
593
594 if (mem_len == QLCNIC_PCI_2MB_SIZE) {
595
596 mem_ptr0 = pci_ioremap_bar(pdev, 0);
597 if (mem_ptr0 == NULL) {
598 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
599 return -EIO;
600 }
601 pci_len0 = mem_len;
602 } else {
603 return -EIO;
604 }
605
606 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
607
b1fc6d3c
AC		 608 adapter->ahw->pci_base0 = mem_ptr0;
609 adapter->ahw->pci_len0 = pci_len0;
af19b491 610
0866d96d 611 qlcnic_check_vf(adapter);
2e9d722d 612
b1fc6d3c
AC		 613 adapter->ahw->ocm_win_crb = qlcnic_get_ioaddr(adapter,
614 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(
615 adapter->ahw->pci_func)));
af19b491
AKS		 616
617 return 0;
618}
619
620static void get_brd_name(struct qlcnic_adapter *adapter, char *name)
621{
622 struct pci_dev *pdev = adapter->pdev;
623 int i, found = 0;
624
625 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
626 if (qlcnic_boards[i].vendor == pdev->vendor &&
627 qlcnic_boards[i].device == pdev->device &&
628 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
629 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 630 sprintf(name, "%pM: %s" ,
631 adapter->mac_addr,
632 qlcnic_boards[i].short_name);
af19b491
AKS		 633 found = 1;
634 break;
635 }
636
637 }
638
639 if (!found)
7f9a0c34 640 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 641}
642
643static void
644qlcnic_check_options(struct qlcnic_adapter *adapter)
645{
031a4a26 646 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 647 struct pci_dev *pdev = adapter->pdev;
031a4a26
SV		 648 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
649
650 prev_fw_version = adapter->fw_version;
af19b491
AKS		 651
652 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
653 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
654 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
655
656 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
657
031a4a26
SV		 658 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC) {
659 if (fw_dump->tmpl_hdr == NULL ||
660 adapter->fw_version > prev_fw_version) {
661 if (fw_dump->tmpl_hdr)
662 vfree(fw_dump->tmpl_hdr);
663 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
664 dev_info(&pdev->dev,
665 "Supports FW dump capability\n");
666 }
667 }
668
251a84c9
AKS		 669 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
670 fw_major, fw_minor, fw_build);
b1fc6d3c 671 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 672 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
673 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
674 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
675 } else {
676 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
677 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
678 }
679
af19b491 680 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 681 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
682
b1fc6d3c 683 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 684 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
685 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 686 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
687 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 688 }
689
690 adapter->msix_supported = !!use_msi_x;
af19b491
AKS		 691
692 adapter->num_txd = MAX_CMD_DESCRIPTORS;
693
251b036a 694 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 695}
696
174240a8
RB		 697static int
698qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
699{
700 int err;
701 struct qlcnic_info nic_info;
702
b1fc6d3c 703 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 704 if (err)
705 return err;
706
a1c0c459 707 adapter->physical_port = (u8)nic_info.phys_port;
174240a8
RB		 708 adapter->switch_mode = nic_info.switch_mode;
709 adapter->max_tx_ques = nic_info.max_tx_ques;
710 adapter->max_rx_ques = nic_info.max_rx_ques;
711 adapter->capabilities = nic_info.capabilities;
712 adapter->max_mac_filters = nic_info.max_mac_filters;
713 adapter->max_mtu = nic_info.max_mtu;
714
715 if (adapter->capabilities & BIT_6)
716 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
717 else
718 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
719
720 return err;
721}
722
8cf61f89
AKS		 723static void
724qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
725 struct qlcnic_esw_func_cfg *esw_cfg)
726{
727 if (esw_cfg->discard_tagged)
728 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
729 else
730 adapter->flags |= QLCNIC_TAGGING_ENABLED;
731
732 if (esw_cfg->vlan_id)
733 adapter->pvid = esw_cfg->vlan_id;
734 else
735 adapter->pvid = 0;
736}
737
8e586137 738static int
b9796a14
AC		 739qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
740{
741 struct qlcnic_adapter *adapter = netdev_priv(netdev);
742 set_bit(vid, adapter->vlans);
8e586137 743 return 0;
b9796a14
AC		 744}
745
8e586137 746static int
b9796a14
AC		 747qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
748{
749 struct qlcnic_adapter *adapter = netdev_priv(netdev);
750
751 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
752 clear_bit(vid, adapter->vlans);
8e586137 753 return 0;
b9796a14
AC		 754}
755
0325d69b
RB		 756static void
757qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
758 struct qlcnic_esw_func_cfg *esw_cfg)
759{
ee07c1a7
RB		 760 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
761 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 762
763 if (esw_cfg->mac_anti_spoof)
764 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 765
7373373d
RB		 766 if (!esw_cfg->mac_override)
767 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
768
ee07c1a7
RB		 769 if (!esw_cfg->promisc_mode)
770 adapter->flags |= QLCNIC_PROMISC_DISABLED;
771
0325d69b
RB		 772 qlcnic_set_netdev_features(adapter, esw_cfg);
773}
774
775static int
776qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
777{
778 struct qlcnic_esw_func_cfg esw_cfg;
779
780 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
781 return 0;
782
b1fc6d3c 783 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 784 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
785 return -EIO;
8cf61f89 786 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 787 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
788
789 return 0;
790}
791
792static void
793qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
794 struct qlcnic_esw_func_cfg *esw_cfg)
795{
796 struct net_device *netdev = adapter->netdev;
c8f44aff 797 netdev_features_t features, vlan_features;
0325d69b 798
135d84a9 799 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
0325d69b
RB		 800 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
801 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
b9796a14 802 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
0325d69b
RB		 803
804 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
805 features |= (NETIF_F_TSO | NETIF_F_TSO6);
806 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
807 }
b56421d0
RB		 808
809 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 810 features |= NETIF_F_LRO;
811
812 if (esw_cfg->offload_flags & BIT_0) {
813 netdev->features |= features;
0325d69b
RB		 814 if (!(esw_cfg->offload_flags & BIT_1))
815 netdev->features &= ~NETIF_F_TSO;
816 if (!(esw_cfg->offload_flags & BIT_2))
817 netdev->features &= ~NETIF_F_TSO6;
818 } else {
819 netdev->features &= ~features;
0325d69b
RB		 820 }
821
822 netdev->vlan_features = (features & vlan_features);
823}
824
0866d96d
AC		 825static int
826qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
827{
828 void __iomem *priv_op;
829 u32 op_mode, priv_level;
830 int err = 0;
831
174240a8
RB		 832 err = qlcnic_initialize_nic(adapter);
833 if (err)
834 return err;
835
0866d96d
AC		 836 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
837 return 0;
838
b1fc6d3c 839 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
0866d96d 840 op_mode = readl(priv_op);
b1fc6d3c 841 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 842
843 if (op_mode == QLC_DEV_DRV_DEFAULT)
844 priv_level = QLCNIC_MGMT_FUNC;
845 else
b1fc6d3c 846 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 847
174240a8 848 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d
AC		 849 if (priv_level == QLCNIC_MGMT_FUNC) {
850 adapter->op_mode = QLCNIC_MGMT_FUNC;
851 err = qlcnic_init_pci_info(adapter);
852 if (err)
853 return err;
854 /* Set privilege level for other functions */
855 qlcnic_set_function_modes(adapter);
856 dev_info(&adapter->pdev->dev,
857 "HAL Version: %d, Management function\n",
858 adapter->fw_hal_version);
859 } else if (priv_level == QLCNIC_PRIV_FUNC) {
860 adapter->op_mode = QLCNIC_PRIV_FUNC;
861 dev_info(&adapter->pdev->dev,
862 "HAL Version: %d, Privileged function\n",
863 adapter->fw_hal_version);
864 }
174240a8 865 }
0866d96d
AC		 866
867 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
868
869 return err;
870}
871
0325d69b
RB		 872static int
873qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
874{
875 struct qlcnic_esw_func_cfg esw_cfg;
876 struct qlcnic_npar_info *npar;
877 u8 i;
878
174240a8 879 if (adapter->need_fw_reset)
0325d69b
RB		 880 return 0;
881
882 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
883 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
884 continue;
885 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
886 esw_cfg.pci_func = i;
887 esw_cfg.offload_flags = BIT_0;
7373373d 888 esw_cfg.mac_override = BIT_0;
ee07c1a7 889 esw_cfg.promisc_mode = BIT_0;
0325d69b
RB		 890 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
891 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
892 if (qlcnic_config_switch_port(adapter, &esw_cfg))
893 return -EIO;
894 npar = &adapter->npars[i];
895 npar->pvid = esw_cfg.vlan_id;
7373373d 896 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 897 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
898 npar->discard_tagged = esw_cfg.discard_tagged;
899 npar->promisc_mode = esw_cfg.promisc_mode;
900 npar->offload_flags = esw_cfg.offload_flags;
901 }
902
903 return 0;
904}
905
4e8acb01
RB		 906static int
907qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
908 struct qlcnic_npar_info *npar, int pci_func)
909{
910 struct qlcnic_esw_func_cfg esw_cfg;
911 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
912 esw_cfg.pci_func = pci_func;
913 esw_cfg.vlan_id = npar->pvid;
7373373d 914 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 915 esw_cfg.discard_tagged = npar->discard_tagged;
916 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
917 esw_cfg.offload_flags = npar->offload_flags;
918 esw_cfg.promisc_mode = npar->promisc_mode;
919 if (qlcnic_config_switch_port(adapter, &esw_cfg))
920 return -EIO;
921
922 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
923 if (qlcnic_config_switch_port(adapter, &esw_cfg))
924 return -EIO;
925
926 return 0;
927}
928
cea8975e
AC		 929static int
930qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
931{
4e8acb01 932 int i, err;
cea8975e
AC		 933 struct qlcnic_npar_info *npar;
934 struct qlcnic_info nic_info;
935
174240a8 936 if (!adapter->need_fw_reset)
cea8975e
AC		 937 return 0;
938
4e8acb01
RB		 939 /* Set the NPAR config data after FW reset */
940 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
941 npar = &adapter->npars[i];
942 if (npar->type != QLCNIC_TYPE_NIC)
943 continue;
944 err = qlcnic_get_nic_info(adapter, &nic_info, i);
945 if (err)
946 return err;
947 nic_info.min_tx_bw = npar->min_bw;
948 nic_info.max_tx_bw = npar->max_bw;
949 err = qlcnic_set_nic_info(adapter, &nic_info);
950 if (err)
951 return err;
cea8975e 952
4e8acb01
RB		 953 if (npar->enable_pm) {
954 err = qlcnic_config_port_mirroring(adapter,
955 npar->dest_npar, 1, i);
956 if (err)
957 return err;
cea8975e 958 }
4e8acb01
RB		 959 err = qlcnic_reset_eswitch_config(adapter, npar, i);
960 if (err)
961 return err;
cea8975e 962 }
4e8acb01 963 return 0;
cea8975e
AC		 964}
965
78f84e1a
AKS		 966static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
967{
968 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
969 u32 npar_state;
970
971 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
972 return 0;
973
974 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
975 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
976 msleep(1000);
977 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
978 }
979 if (!npar_opt_timeo) {
980 dev_err(&adapter->pdev->dev,
981 "Waiting for NPAR state to opertional timeout\n");
982 return -EIO;
983 }
984 return 0;
985}
986
174240a8
RB		 987static int
988qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
989{
990 int err;
991
992 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
993 adapter->op_mode != QLCNIC_MGMT_FUNC)
994 return 0;
995
996 err = qlcnic_set_default_offload_settings(adapter);
997 if (err)
998 return err;
999
1000 err = qlcnic_reset_npar_config(adapter);
1001 if (err)
1002 return err;
1003
1004 qlcnic_dev_set_npar_ready(adapter);
1005
1006 return err;
1007}
1008
af19b491
AKS		 1009static int
1010qlcnic_start_firmware(struct qlcnic_adapter *adapter)
1011{
d4066833 1012 int err;
af19b491 1013
aa5e18c0
SC		 1014 err = qlcnic_can_start_firmware(adapter);
1015 if (err < 0)
1016 return err;
1017 else if (!err)
d4066833 1018 goto check_fw_status;
af19b491 1019
4d5bdb38
AKS		 1020 if (load_fw_file)
1021 qlcnic_request_firmware(adapter);
8f891387 1022 else {
8cfdce08
SC		 1023 err = qlcnic_check_flash_fw_ver(adapter);
1024 if (err)
8f891387 1025 goto err_out;
1026
4d5bdb38 1027 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1028 }
af19b491
AKS		 1029
1030 err = qlcnic_need_fw_reset(adapter);
af19b491 1031 if (err == 0)
4e70812b 1032 goto check_fw_status;
af19b491 1033
d4066833
SC		 1034 err = qlcnic_pinit_from_rom(adapter);
1035 if (err)
1036 goto err_out;
af19b491
AKS		 1037
1038 err = qlcnic_load_firmware(adapter);
1039 if (err)
1040 goto err_out;
1041
1042 qlcnic_release_firmware(adapter);
d4066833 1043 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1044
d4066833
SC		 1045check_fw_status:
1046 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1047 if (err)
1048 goto err_out;
1049
1050 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1051 qlcnic_idc_debug_info(adapter, 1);
b18971d1 1052
0866d96d
AC		 1053 err = qlcnic_check_eswitch_mode(adapter);
1054 if (err) {
1055 dev_err(&adapter->pdev->dev,
1056 "Memory allocation failed for eswitch\n");
1057 goto err_out;
1058 }
174240a8
RB		 1059 err = qlcnic_set_mgmt_operations(adapter);
1060 if (err)
1061 goto err_out;
1062
1063 qlcnic_check_options(adapter);
af19b491
AKS		 1064 adapter->need_fw_reset = 0;
1065
a7fc948f
AKS		 1066 qlcnic_release_firmware(adapter);
1067 return 0;
af19b491
AKS		 1068
1069err_out:
a7fc948f
AKS		 1070 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1071 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1072
af19b491
AKS		 1073 qlcnic_release_firmware(adapter);
1074 return err;
1075}
1076
1077static int
1078qlcnic_request_irq(struct qlcnic_adapter *adapter)
1079{
1080 irq_handler_t handler;
1081 struct qlcnic_host_sds_ring *sds_ring;
1082 int err, ring;
1083
1084 unsigned long flags = 0;
1085 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1086 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1087
7eb9855d
AKS		 1088 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1089 handler = qlcnic_tmp_intr;
1090 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1091 flags |= IRQF_SHARED;
1092
1093 } else {
1094 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1095 handler = qlcnic_msix_intr;
1096 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1097 handler = qlcnic_msi_intr;
1098 else {
1099 flags |= IRQF_SHARED;
1100 handler = qlcnic_intr;
1101 }
af19b491
AKS		 1102 }
1103 adapter->irq = netdev->irq;
1104
1105 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1106 sds_ring = &recv_ctx->sds_rings[ring];
1107 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1108 err = request_irq(sds_ring->irq, handler,
1109 flags, sds_ring->name, sds_ring);
1110 if (err)
1111 return err;
1112 }
1113
1114 return 0;
1115}
1116
1117static void
1118qlcnic_free_irq(struct qlcnic_adapter *adapter)
1119{
1120 int ring;
1121 struct qlcnic_host_sds_ring *sds_ring;
1122
b1fc6d3c 1123 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491
AKS		 1124
1125 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1126 sds_ring = &recv_ctx->sds_rings[ring];
1127 free_irq(sds_ring->irq, sds_ring);
1128 }
1129}
1130
af19b491
AKS		 1131static int
1132__qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1133{
8a15ad1f
AKS		 1134 int ring;
1135 struct qlcnic_host_rds_ring *rds_ring;
1136
af19b491
AKS		 1137 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1138 return -EIO;
1139
8a15ad1f
AKS		 1140 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1141 return 0;
0325d69b
RB		 1142 if (qlcnic_set_eswitch_port_config(adapter))
1143 return -EIO;
8a15ad1f
AKS		 1144
1145 if (qlcnic_fw_create_ctx(adapter))
1146 return -EIO;
1147
1148 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c
AC		 1149 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1150 qlcnic_post_rx_buffers(adapter, rds_ring);
8a15ad1f
AKS		 1151 }
1152
af19b491
AKS		 1153 qlcnic_set_multi(netdev);
1154 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1155
b1fc6d3c 1156 adapter->ahw->linkup = 0;
af19b491
AKS		 1157
1158 if (adapter->max_sds_rings > 1)
1159 qlcnic_config_rss(adapter, 1);
1160
1161 qlcnic_config_intr_coalesce(adapter);
1162
24763d80 1163 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1164 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1165
1166 qlcnic_napi_enable(adapter);
1167
1168 qlcnic_linkevent_request(adapter, 1);
1169
68bf1c68 1170 adapter->reset_context = 0;
af19b491
AKS		 1171 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1172 return 0;
1173}
1174
1175/* Usage: During resume and firmware recovery module.*/
1176
1177static int
1178qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1179{
1180 int err = 0;
1181
1182 rtnl_lock();
1183 if (netif_running(netdev))
1184 err = __qlcnic_up(adapter, netdev);
1185 rtnl_unlock();
1186
1187 return err;
1188}
1189
1190static void
1191__qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1192{
1193 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1194 return;
1195
1196 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1197 return;
1198
1199 smp_mb();
1200 spin_lock(&adapter->tx_clean_lock);
1201 netif_carrier_off(netdev);
1202 netif_tx_disable(netdev);
1203
1204 qlcnic_free_mac_list(adapter);
1205
b5e5492c
AKS		 1206 if (adapter->fhash.fnum)
1207 qlcnic_delete_lb_filters(adapter);
1208
af19b491
AKS		 1209 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1210
1211 qlcnic_napi_disable(adapter);
1212
8a15ad1f
AKS		 1213 qlcnic_fw_destroy_ctx(adapter);
1214
1215 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1216 qlcnic_release_tx_buffers(adapter);
1217 spin_unlock(&adapter->tx_clean_lock);
1218}
1219
1220/* Usage: During suspend and firmware recovery module */
1221
1222static void
1223qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1224{
1225 rtnl_lock();
1226 if (netif_running(netdev))
1227 __qlcnic_down(adapter, netdev);
1228 rtnl_unlock();
1229
1230}
1231
1232static int
1233qlcnic_attach(struct qlcnic_adapter *adapter)
1234{
1235 struct net_device *netdev = adapter->netdev;
1236 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1237 int err;
af19b491
AKS		 1238
1239 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1240 return 0;
1241
af19b491
AKS		 1242 err = qlcnic_napi_add(adapter, netdev);
1243 if (err)
1244 return err;
1245
1246 err = qlcnic_alloc_sw_resources(adapter);
1247 if (err) {
1248 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1249 goto err_out_napi_del;
af19b491
AKS		 1250 }
1251
1252 err = qlcnic_alloc_hw_resources(adapter);
1253 if (err) {
1254 dev_err(&pdev->dev, "Error in setting hw resources\n");
1255 goto err_out_free_sw;
1256 }
1257
af19b491
AKS		 1258 err = qlcnic_request_irq(adapter);
1259 if (err) {
1260 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1261 goto err_out_free_hw;
af19b491
AKS		 1262 }
1263
af19b491
AKS		 1264 qlcnic_create_sysfs_entries(adapter);
1265
1266 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1267 return 0;
1268
8a15ad1f 1269err_out_free_hw:
af19b491
AKS		 1270 qlcnic_free_hw_resources(adapter);
1271err_out_free_sw:
1272 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1273err_out_napi_del:
1274 qlcnic_napi_del(adapter);
af19b491
AKS		 1275 return err;
1276}
1277
1278static void
1279qlcnic_detach(struct qlcnic_adapter *adapter)
1280{
1281 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1282 return;
1283
1284 qlcnic_remove_sysfs_entries(adapter);
1285
1286 qlcnic_free_hw_resources(adapter);
1287 qlcnic_release_rx_buffers(adapter);
1288 qlcnic_free_irq(adapter);
1289 qlcnic_napi_del(adapter);
1290 qlcnic_free_sw_resources(adapter);
1291
1292 adapter->is_up = 0;
1293}
1294
7eb9855d
AKS		 1295void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1296{
1297 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1298 struct qlcnic_host_sds_ring *sds_ring;
1299 int ring;
1300
78ad3892 1301 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
cdaff185
AKS		 1302 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1303 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1304 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1305 qlcnic_disable_int(sds_ring);
1306 }
7eb9855d
AKS		 1307 }
1308
8a15ad1f
AKS		 1309 qlcnic_fw_destroy_ctx(adapter);
1310
7eb9855d
AKS		 1311 qlcnic_detach(adapter);
1312
1313 adapter->diag_test = 0;
1314 adapter->max_sds_rings = max_sds_rings;
1315
1316 if (qlcnic_attach(adapter))
34ce3626 1317 goto out;
7eb9855d
AKS		 1318
1319 if (netif_running(netdev))
1320 __qlcnic_up(adapter, netdev);
34ce3626 1321out:
7eb9855d
AKS		 1322 netif_device_attach(netdev);
1323}
1324
b1fc6d3c
AC		 1325static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1326{
1327 int err = 0;
1328 adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1329 GFP_KERNEL);
1330 if (!adapter->ahw) {
1331 dev_err(&adapter->pdev->dev,
1332 "Failed to allocate recv ctx resources for adapter\n");
1333 err = -ENOMEM;
1334 goto err_out;
1335 }
1336 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1337 GFP_KERNEL);
1338 if (!adapter->recv_ctx) {
1339 dev_err(&adapter->pdev->dev,
1340 "Failed to allocate recv ctx resources for adapter\n");
1341 kfree(adapter->ahw);
1342 adapter->ahw = NULL;
1343 err = -ENOMEM;
8816d009 1344 goto err_out;
b1fc6d3c 1345 }
8816d009
AC		 1346 /* Initialize interrupt coalesce parameters */
1347 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1348 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1349 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
b1fc6d3c
AC		 1350err_out:
1351 return err;
1352}
1353
1354static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1355{
1356 kfree(adapter->recv_ctx);
1357 adapter->recv_ctx = NULL;
1358
18f2f616
AC		 1359 if (adapter->ahw->fw_dump.tmpl_hdr) {
1360 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1361 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1362 }
b1fc6d3c
AC		 1363 kfree(adapter->ahw);
1364 adapter->ahw = NULL;
1365}
1366
7eb9855d
AKS		 1367int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1368{
1369 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1370 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1371 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1372 int ring;
1373 int ret;
1374
1375 netif_device_detach(netdev);
1376
1377 if (netif_running(netdev))
1378 __qlcnic_down(adapter, netdev);
1379
1380 qlcnic_detach(adapter);
1381
1382 adapter->max_sds_rings = 1;
1383 adapter->diag_test = test;
1384
1385 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1386 if (ret) {
1387 netif_device_attach(netdev);
7eb9855d 1388 return ret;
34ce3626 1389 }
7eb9855d 1390
8a15ad1f
AKS		 1391 ret = qlcnic_fw_create_ctx(adapter);
1392 if (ret) {
1393 qlcnic_detach(adapter);
57e46248 1394 netif_device_attach(netdev);
8a15ad1f
AKS		 1395 return ret;
1396 }
1397
1398 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c
AC		 1399 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1400 qlcnic_post_rx_buffers(adapter, rds_ring);
8a15ad1f
AKS		 1401 }
1402
cdaff185
AKS		 1403 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1404 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1405 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1406 qlcnic_enable_int(sds_ring);
1407 }
7eb9855d 1408 }
22c8c934
SC		 1409
1410 if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) {
1411 adapter->ahw->loopback_state = 0;
1412 qlcnic_linkevent_request(adapter, 1);
1413 }
1414
78ad3892 1415 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1416
1417 return 0;
1418}
1419
68bf1c68
AKS		 1420/* Reset context in hardware only */
1421static int
1422qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1423{
1424 struct net_device *netdev = adapter->netdev;
1425
1426 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1427 return -EBUSY;
1428
1429 netif_device_detach(netdev);
1430
1431 qlcnic_down(adapter, netdev);
1432
1433 qlcnic_up(adapter, netdev);
1434
1435 netif_device_attach(netdev);
1436
1437 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1438 return 0;
1439}
1440
af19b491
AKS		 1441int
1442qlcnic_reset_context(struct qlcnic_adapter *adapter)
1443{
1444 int err = 0;
1445 struct net_device *netdev = adapter->netdev;
1446
1447 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1448 return -EBUSY;
1449
1450 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1451
1452 netif_device_detach(netdev);
1453
1454 if (netif_running(netdev))
1455 __qlcnic_down(adapter, netdev);
1456
1457 qlcnic_detach(adapter);
1458
1459 if (netif_running(netdev)) {
1460 err = qlcnic_attach(adapter);
1d5c88e3 1461 if (!err) {
34ce3626 1462 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1463 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1464 }
af19b491
AKS		 1465 }
1466
1467 netif_device_attach(netdev);
1468 }
1469
af19b491
AKS		 1470 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1471 return err;
1472}
1473
1474static int
1475qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
1bb09fb9 1476 struct net_device *netdev, u8 pci_using_dac)
af19b491
AKS		 1477{
1478 int err;
1479 struct pci_dev *pdev = adapter->pdev;
1480
af19b491
AKS		 1481 adapter->mc_enabled = 0;
1482 adapter->max_mc_count = 38;
1483
1484 netdev->netdev_ops = &qlcnic_netdev_ops;
ef71ff83 1485 netdev->watchdog_timeo = 5*HZ;
af19b491
AKS		 1486
1487 qlcnic_change_mtu(netdev, netdev->mtu);
1488
1489 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1490
135d84a9
MM		 1491 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1492 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
ac8d0c4f 1493
135d84a9
MM		 1494 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1495 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
1496 if (pci_using_dac)
1497 netdev->hw_features |= NETIF_F_HIGHDMA;
af19b491 1498
135d84a9 1499 netdev->vlan_features = netdev->hw_features;
af19b491
AKS		 1500
1501 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
135d84a9 1502 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
af19b491 1503 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
135d84a9
MM		 1504 netdev->hw_features |= NETIF_F_LRO;
1505
1506 netdev->features |= netdev->hw_features |
1507 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1508
af19b491
AKS		 1509 netdev->irq = adapter->msix_entries[0].vector;
1510
af19b491
AKS		 1511 err = register_netdev(netdev);
1512 if (err) {
1513 dev_err(&pdev->dev, "failed to register net device\n");
1514 return err;
1515 }
1516
1517 return 0;
1518}
1519
1bb09fb9
AKS		 1520static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1521{
1522 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1523 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1524 *pci_using_dac = 1;
1525 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1526 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1527 *pci_using_dac = 0;
1528 else {
1529 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1530 return -EIO;
1531 }
1532
1533 return 0;
1534}
1535
f94bc1e7
SC		 1536static int
1537qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1538{
1539 adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1540 GFP_KERNEL);
1541
1542 if (adapter->msix_entries)
1543 return 0;
1544
1545 dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1546 return -ENOMEM;
1547}
1548
af19b491
AKS		 1549static int __devinit
1550qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1551{
1552 struct net_device *netdev = NULL;
1553 struct qlcnic_adapter *adapter = NULL;
1554 int err;
af19b491 1555 uint8_t revision_id;
1bb09fb9 1556 uint8_t pci_using_dac;
da48e6c3 1557 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1558
1559 err = pci_enable_device(pdev);
1560 if (err)
1561 return err;
1562
1563 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1564 err = -ENODEV;
1565 goto err_out_disable_pdev;
1566 }
1567
1bb09fb9
AKS		 1568 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1569 if (err)
1570 goto err_out_disable_pdev;
1571
af19b491
AKS		 1572 err = pci_request_regions(pdev, qlcnic_driver_name);
1573 if (err)
1574 goto err_out_disable_pdev;
1575
1576 pci_set_master(pdev);
451724c8 1577 pci_enable_pcie_error_reporting(pdev);
af19b491
AKS		 1578
1579 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1580 if (!netdev) {
af19b491
AKS		 1581 err = -ENOMEM;
1582 goto err_out_free_res;
1583 }
1584
1585 SET_NETDEV_DEV(netdev, &pdev->dev);
1586
1587 adapter = netdev_priv(netdev);
1588 adapter->netdev = netdev;
1589 adapter->pdev = pdev;
af19b491 1590
b1fc6d3c
AC		 1591 if (qlcnic_alloc_adapter_resources(adapter))
1592 goto err_out_free_netdev;
1593
1594 adapter->dev_rst_time = jiffies;
af19b491 1595 revision_id = pdev->revision;
b1fc6d3c 1596 adapter->ahw->revision_id = revision_id;
e5dcf6dc 1597 adapter->mac_learn = qlcnic_mac_learn;
af19b491 1598
b1fc6d3c
AC		 1599 rwlock_init(&adapter->ahw->crb_lock);
1600 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1601
1602 spin_lock_init(&adapter->tx_clean_lock);
1603 INIT_LIST_HEAD(&adapter->mac_list);
1604
1605 err = qlcnic_setup_pci_map(adapter);
1606 if (err)
b1fc6d3c 1607 goto err_out_free_hw;
af19b491
AKS		 1608
1609 /* This will be reset for mezz cards */
b1fc6d3c 1610 adapter->portnum = adapter->ahw->pci_func;
af19b491
AKS		 1611
1612 err = qlcnic_get_board_info(adapter);
1613 if (err) {
1614 dev_err(&pdev->dev, "Error getting board config info.\n");
1615 goto err_out_iounmap;
1616 }
1617
8cfdce08
SC		 1618 err = qlcnic_setup_idc_param(adapter);
1619 if (err)
b3a24649 1620 goto err_out_iounmap;
af19b491 1621
1dc0f3c5 1622 adapter->flags |= QLCNIC_NEED_FLR;
b0044bcf 1623
9f26f547 1624 err = adapter->nic_ops->start_firmware(adapter);
a7fc948f
AKS		 1625 if (err) {
1626 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
af19b491 1627 goto err_out_decr_ref;
a7fc948f 1628 }
af19b491 1629
da48e6c3
RB		 1630 if (qlcnic_read_mac_addr(adapter))
1631 dev_warn(&pdev->dev, "failed to read mac addr\n");
1632
1633 if (adapter->portnum == 0) {
1634 get_brd_name(adapter, brd_name);
1635
1636 pr_info("%s: %s Board Chip rev 0x%x\n",
1637 module_name(THIS_MODULE),
b1fc6d3c 1638 brd_name, adapter->ahw->revision_id);
da48e6c3
RB		 1639 }
1640
af19b491
AKS		 1641 qlcnic_clear_stats(adapter);
1642
f94bc1e7
SC		 1643 err = qlcnic_alloc_msix_entries(adapter, adapter->max_rx_ques);
1644 if (err)
1645 goto err_out_decr_ref;
1646
af19b491
AKS		 1647 qlcnic_setup_intr(adapter);
1648
1bb09fb9 1649 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491
AKS		 1650 if (err)
1651 goto err_out_disable_msi;
1652
1653 pci_set_drvdata(pdev, adapter);
1654
1655 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1656
b1fc6d3c 1657 switch (adapter->ahw->port_type) {
af19b491
AKS		 1658 case QLCNIC_GBE:
1659 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1660 adapter->netdev->name);
1661 break;
1662 case QLCNIC_XGBE:
1663 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1664 adapter->netdev->name);
1665 break;
1666 }
1667
e5dcf6dc
SC		 1668 if (adapter->mac_learn)
1669 qlcnic_alloc_lb_filters_mem(adapter);
1670
af19b491
AKS		 1671 qlcnic_create_diag_entries(adapter);
1672
1673 return 0;
1674
1675err_out_disable_msi:
1676 qlcnic_teardown_intr(adapter);
f94bc1e7 1677 kfree(adapter->msix_entries);
af19b491
AKS		 1678
1679err_out_decr_ref:
21854f02 1680 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1681
1682err_out_iounmap:
1683 qlcnic_cleanup_pci_map(adapter);
1684
b1fc6d3c
AC		 1685err_out_free_hw:
1686 qlcnic_free_adapter_resources(adapter);
1687
af19b491
AKS		 1688err_out_free_netdev:
1689 free_netdev(netdev);
1690
1691err_out_free_res:
1692 pci_release_regions(pdev);
1693
1694err_out_disable_pdev:
1695 pci_set_drvdata(pdev, NULL);
1696 pci_disable_device(pdev);
1697 return err;
1698}
1699
1700static void __devexit qlcnic_remove(struct pci_dev *pdev)
1701{
1702 struct qlcnic_adapter *adapter;
1703 struct net_device *netdev;
1704
1705 adapter = pci_get_drvdata(pdev);
1706 if (adapter == NULL)
1707 return;
1708
1709 netdev = adapter->netdev;
1710
1711 qlcnic_cancel_fw_work(adapter);
1712
1713 unregister_netdev(netdev);
1714
af19b491
AKS		 1715 qlcnic_detach(adapter);
1716
2e9d722d
AC		 1717 if (adapter->npars != NULL)
1718 kfree(adapter->npars);
1719 if (adapter->eswitch != NULL)
1720 kfree(adapter->eswitch);
1721
21854f02 1722 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1723
1724 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1725
b5e5492c
AKS		 1726 qlcnic_free_lb_filters_mem(adapter);
1727
af19b491 1728 qlcnic_teardown_intr(adapter);
f94bc1e7 1729 kfree(adapter->msix_entries);
af19b491
AKS		 1730
1731 qlcnic_remove_diag_entries(adapter);
1732
1733 qlcnic_cleanup_pci_map(adapter);
1734
1735 qlcnic_release_firmware(adapter);
1736
451724c8 1737 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 1738 pci_release_regions(pdev);
1739 pci_disable_device(pdev);
1740 pci_set_drvdata(pdev, NULL);
1741
b1fc6d3c 1742 qlcnic_free_adapter_resources(adapter);
af19b491
AKS		 1743 free_netdev(netdev);
1744}
1745static int __qlcnic_shutdown(struct pci_dev *pdev)
1746{
1747 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1748 struct net_device *netdev = adapter->netdev;
1749 int retval;
1750
1751 netif_device_detach(netdev);
1752
1753 qlcnic_cancel_fw_work(adapter);
1754
1755 if (netif_running(netdev))
1756 qlcnic_down(adapter, netdev);
1757
21854f02 1758 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1759
1760 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1761
1762 retval = pci_save_state(pdev);
1763 if (retval)
1764 return retval;
1765
1766 if (qlcnic_wol_supported(adapter)) {
1767 pci_enable_wake(pdev, PCI_D3cold, 1);
1768 pci_enable_wake(pdev, PCI_D3hot, 1);
1769 }
1770
1771 return 0;
1772}
1773
1774static void qlcnic_shutdown(struct pci_dev *pdev)
1775{
1776 if (__qlcnic_shutdown(pdev))
1777 return;
1778
1779 pci_disable_device(pdev);
1780}
1781
1782#ifdef CONFIG_PM
1783static int
1784qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1785{
1786 int retval;
1787
1788 retval = __qlcnic_shutdown(pdev);
1789 if (retval)
1790 return retval;
1791
1792 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1793 return 0;
1794}
1795
1796static int
1797qlcnic_resume(struct pci_dev *pdev)
1798{
1799 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1800 struct net_device *netdev = adapter->netdev;
1801 int err;
1802
1803 err = pci_enable_device(pdev);
1804 if (err)
1805 return err;
1806
1807 pci_set_power_state(pdev, PCI_D0);
1808 pci_set_master(pdev);
1809 pci_restore_state(pdev);
1810
9f26f547 1811 err = adapter->nic_ops->start_firmware(adapter);
af19b491
AKS		 1812 if (err) {
1813 dev_err(&pdev->dev, "failed to start firmware\n");
1814 return err;
1815 }
1816
1817 if (netif_running(netdev)) {
af19b491
AKS		 1818 err = qlcnic_up(adapter, netdev);
1819 if (err)
52486a3a 1820 goto done;
af19b491 1821
aec1e845 1822 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 1823 }
52486a3a 1824done:
af19b491
AKS		 1825 netif_device_attach(netdev);
1826 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1827 return 0;
af19b491
AKS		 1828}
1829#endif
1830
1831static int qlcnic_open(struct net_device *netdev)
1832{
1833 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1834 int err;
1835
c55ad8e5
AKS		 1836 netif_carrier_off(netdev);
1837
af19b491
AKS		 1838 err = qlcnic_attach(adapter);
1839 if (err)
1840 return err;
1841
1842 err = __qlcnic_up(adapter, netdev);
1843 if (err)
1844 goto err_out;
1845
1846 netif_start_queue(netdev);
1847
1848 return 0;
1849
1850err_out:
1851 qlcnic_detach(adapter);
1852 return err;
1853}
1854
1855/*
1856 * qlcnic_close - Disables a network interface entry point
1857 */
1858static int qlcnic_close(struct net_device *netdev)
1859{
1860 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1861
1862 __qlcnic_down(adapter, netdev);
1863 return 0;
1864}
1865
e5dcf6dc 1866void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 1867{
1868 void *head;
1869 int i;
1870
e5dcf6dc 1871 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 1872 return;
1873
1874 spin_lock_init(&adapter->mac_learn_lock);
1875
1876 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1877 GFP_KERNEL);
1878 if (!head)
1879 return;
1880
1881 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
43d620c8 1882 adapter->fhash.fhead = head;
b5e5492c
AKS		 1883
1884 for (i = 0; i < adapter->fhash.fmax; i++)
1885 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1886}
1887
1888static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1889{
1890 if (adapter->fhash.fmax && adapter->fhash.fhead)
1891 kfree(adapter->fhash.fhead);
1892
1893 adapter->fhash.fhead = NULL;
1894 adapter->fhash.fmax = 0;
1895}
1896
1897static void qlcnic_change_filter(struct qlcnic_adapter *adapter,
7e56cac4 1898 u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring)
b5e5492c
AKS		 1899{
1900 struct cmd_desc_type0 *hwdesc;
1901 struct qlcnic_nic_req *req;
1902 struct qlcnic_mac_req *mac_req;
7e56cac4 1903 struct qlcnic_vlan_req *vlan_req;
b5e5492c
AKS		 1904 u32 producer;
1905 u64 word;
1906
1907 producer = tx_ring->producer;
1908 hwdesc = &tx_ring->desc_head[tx_ring->producer];
1909
1910 req = (struct qlcnic_nic_req *)hwdesc;
1911 memset(req, 0, sizeof(struct qlcnic_nic_req));
1912 req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
1913
1914 word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16);
1915 req->req_hdr = cpu_to_le64(word);
1916
1917 mac_req = (struct qlcnic_mac_req *)&(req->words[0]);
03c5d770 1918 mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD;
b5e5492c
AKS		 1919 memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN);
1920
7e56cac4
SC		 1921 vlan_req = (struct qlcnic_vlan_req *)&req->words[1];
1922 vlan_req->vlan_id = vlan_id;
03c5d770 1923
b5e5492c 1924 tx_ring->producer = get_next_index(producer, tx_ring->num_desc);
036d61f0 1925 smp_mb();
b5e5492c
AKS		 1926}
1927
1928#define QLCNIC_MAC_HASH(MAC)\
1929 ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25))
1930
1931static void
1932qlcnic_send_filter(struct qlcnic_adapter *adapter,
1933 struct qlcnic_host_tx_ring *tx_ring,
1934 struct cmd_desc_type0 *first_desc,
1935 struct sk_buff *skb)
1936{
1937 struct ethhdr *phdr = (struct ethhdr *)(skb->data);
1938 struct qlcnic_filter *fil, *tmp_fil;
1939 struct hlist_node *tmp_hnode, *n;
1940 struct hlist_head *head;
1941 u64 src_addr = 0;
7e56cac4 1942 __le16 vlan_id = 0;
b5e5492c
AKS		 1943 u8 hindex;
1944
1945 if (!compare_ether_addr(phdr->h_source, adapter->mac_addr))
1946 return;
1947
1948 if (adapter->fhash.fnum >= adapter->fhash.fmax)
1949 return;
1950
03c5d770
AKS		 1951 /* Only NPAR capable devices support vlan based learning*/
1952 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
1953 vlan_id = first_desc->vlan_TCI;
b5e5492c
AKS		 1954 memcpy(&src_addr, phdr->h_source, ETH_ALEN);
1955 hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1);
1956 head = &(adapter->fhash.fhead[hindex]);
1957
1958 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
03c5d770
AKS		 1959 if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) &&
1960 tmp_fil->vlan_id == vlan_id) {
e5edb7b1 1961
1962 if (jiffies >
1963 (QLCNIC_READD_AGE * HZ + tmp_fil->ftime))
1964 qlcnic_change_filter(adapter, src_addr, vlan_id,
1965 tx_ring);
b5e5492c
AKS		 1966 tmp_fil->ftime = jiffies;
1967 return;
1968 }
1969 }
1970
1971 fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC);
1972 if (!fil)
1973 return;
1974
03c5d770 1975 qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring);
b5e5492c
AKS		 1976
1977 fil->ftime = jiffies;
03c5d770 1978 fil->vlan_id = vlan_id;
b5e5492c
AKS		 1979 memcpy(fil->faddr, &src_addr, ETH_ALEN);
1980 spin_lock(&adapter->mac_learn_lock);
1981 hlist_add_head(&(fil->fnode), head);
1982 adapter->fhash.fnum++;
1983 spin_unlock(&adapter->mac_learn_lock);
1984}
1985
036d61f0
AC		 1986static int
1987qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
af19b491
AKS		 1988 struct cmd_desc_type0 *first_desc,
1989 struct sk_buff *skb)
1990{
036d61f0
AC		 1991 u8 opcode = 0, hdr_len = 0;
1992 u16 flags = 0, vlan_tci = 0;
1993 int copied, offset, copy_len;
af19b491
AKS		 1994 struct cmd_desc_type0 *hwdesc;
1995 struct vlan_ethhdr *vh;
036d61f0
AC		 1996 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
1997 u16 protocol = ntohs(skb->protocol);
2e9d722d 1998 u32 producer = tx_ring->producer;
036d61f0
AC		 1999
2000 if (protocol == ETH_P_8021Q) {
2001 vh = (struct vlan_ethhdr *)skb->data;
2002 flags = FLAGS_VLAN_TAGGED;
2003 vlan_tci = vh->h_vlan_TCI;
2004 } else if (vlan_tx_tag_present(skb)) {
2005 flags = FLAGS_VLAN_OOB;
2006 vlan_tci = vlan_tx_tag_get(skb);
2007 }
2008 if (unlikely(adapter->pvid)) {
2009 if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
2010 return -EIO;
2011 if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED))
2012 goto set_flags;
2013
2014 flags = FLAGS_VLAN_OOB;
2015 vlan_tci = adapter->pvid;
2016 }
2017set_flags:
2018 qlcnic_set_tx_vlan_tci(first_desc, vlan_tci);
2019 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
af19b491 2020
2e9d722d
AC		 2021 if (*(skb->data) & BIT_0) {
2022 flags |= BIT_0;
2023 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
2024 }
036d61f0
AC		 2025 opcode = TX_ETHER_PKT;
2026 if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
af19b491
AKS		 2027 skb_shinfo(skb)->gso_size > 0) {
2028
2029 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2030
2031 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
2032 first_desc->total_hdr_length = hdr_len;
036d61f0
AC		 2033
2034 opcode = (protocol == ETH_P_IPV6) ? TX_TCP_LSO6 : TX_TCP_LSO;
2035
2036 /* For LSO, we need to copy the MAC/IP/TCP headers into
2037 * the descriptor ring */
2038 copied = 0;
2039 offset = 2;
2040
2041 if (flags & FLAGS_VLAN_OOB) {
af19b491
AKS		 2042 first_desc->total_hdr_length += VLAN_HLEN;
2043 first_desc->tcp_hdr_offset = VLAN_HLEN;
2044 first_desc->ip_hdr_offset = VLAN_HLEN;
2045 /* Only in case of TSO on vlan device */
2046 flags |= FLAGS_VLAN_TAGGED;
036d61f0
AC		 2047
2048 /* Create a TSO vlan header template for firmware */
2049
2050 hwdesc = &tx_ring->desc_head[producer];
2051 tx_ring->cmd_buf_arr[producer].skb = NULL;
2052
2053 copy_len = min((int)sizeof(struct cmd_desc_type0) -
2054 offset, hdr_len + VLAN_HLEN);
2055
2056 vh = (struct vlan_ethhdr *)((char *) hwdesc + 2);
2057 skb_copy_from_linear_data(skb, vh, 12);
2058 vh->h_vlan_proto = htons(ETH_P_8021Q);
2059 vh->h_vlan_TCI = htons(vlan_tci);
2060
2061 skb_copy_from_linear_data_offset(skb, 12,
2062 (char *)vh + 16, copy_len - 16);
2063
2064 copied = copy_len - VLAN_HLEN;
2065 offset = 0;
2066
2067 producer = get_next_index(producer, tx_ring->num_desc);
af19b491
AKS		 2068 }
2069
036d61f0
AC		 2070 while (copied < hdr_len) {
2071
2072 copy_len = min((int)sizeof(struct cmd_desc_type0) -
2073 offset, (hdr_len - copied));
2074
2075 hwdesc = &tx_ring->desc_head[producer];
2076 tx_ring->cmd_buf_arr[producer].skb = NULL;
2077
2078 skb_copy_from_linear_data_offset(skb, copied,
2079 (char *) hwdesc + offset, copy_len);
2080
2081 copied += copy_len;
2082 offset = 0;
2083
2084 producer = get_next_index(producer, tx_ring->num_desc);
2085 }
2086
2087 tx_ring->producer = producer;
2088 smp_mb();
2089 adapter->stats.lso_frames++;
af19b491
AKS		 2090
2091 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
2092 u8 l4proto;
2093
036d61f0 2094 if (protocol == ETH_P_IP) {
af19b491
AKS		 2095 l4proto = ip_hdr(skb)->protocol;
2096
2097 if (l4proto == IPPROTO_TCP)
2098 opcode = TX_TCP_PKT;
2099 else if (l4proto == IPPROTO_UDP)
2100 opcode = TX_UDP_PKT;
036d61f0 2101 } else if (protocol == ETH_P_IPV6) {
af19b491
AKS		 2102 l4proto = ipv6_hdr(skb)->nexthdr;
2103
2104 if (l4proto == IPPROTO_TCP)
2105 opcode = TX_TCPV6_PKT;
2106 else if (l4proto == IPPROTO_UDP)
2107 opcode = TX_UDPV6_PKT;
2108 }
2109 }
af19b491
AKS		 2110 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
2111 first_desc->ip_hdr_offset += skb_network_offset(skb);
2112 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2113
036d61f0 2114 return 0;
af19b491
AKS		 2115}
2116
2117static int
2118qlcnic_map_tx_skb(struct pci_dev *pdev,
2119 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
2120{
2121 struct qlcnic_skb_frag *nf;
2122 struct skb_frag_struct *frag;
2123 int i, nr_frags;
2124 dma_addr_t map;
2125
2126 nr_frags = skb_shinfo(skb)->nr_frags;
2127 nf = &pbuf->frag_array[0];
2128
2129 map = pci_map_single(pdev, skb->data,
2130 skb_headlen(skb), PCI_DMA_TODEVICE);
2131 if (pci_dma_mapping_error(pdev, map))
2132 goto out_err;
2133
2134 nf->dma = map;
2135 nf->length = skb_headlen(skb);
2136
2137 for (i = 0; i < nr_frags; i++) {
2138 frag = &skb_shinfo(skb)->frags[i];
2139 nf = &pbuf->frag_array[i+1];
2140
9e903e08 2141 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
5d6bcdfe
IC		 2142 DMA_TO_DEVICE);
2143 if (dma_mapping_error(&pdev->dev, map))
af19b491
AKS		 2144 goto unwind;
2145
2146 nf->dma = map;
9e903e08 2147 nf->length = skb_frag_size(frag);
af19b491
AKS		 2148 }
2149
2150 return 0;
2151
2152unwind:
2153 while (--i >= 0) {
2154 nf = &pbuf->frag_array[i+1];
2155 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2156 }
2157
2158 nf = &pbuf->frag_array[0];
2159 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2160
2161out_err:
2162 return -ENOMEM;
2163}
2164
036d61f0
AC		 2165static void
2166qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb,
2167 struct qlcnic_cmd_buffer *pbuf)
8cf61f89 2168{
036d61f0
AC		 2169 struct qlcnic_skb_frag *nf = &pbuf->frag_array[0];
2170 int nr_frags = skb_shinfo(skb)->nr_frags;
2171 int i;
8cf61f89 2172
036d61f0
AC		 2173 for (i = 0; i < nr_frags; i++) {
2174 nf = &pbuf->frag_array[i+1];
2175 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
8cf61f89 2176 }
8cf61f89 2177
036d61f0
AC		 2178 nf = &pbuf->frag_array[0];
2179 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
5b446c6a 2180 pbuf->skb = NULL;
8cf61f89
AKS		 2181}
2182
af19b491
AKS		 2183static inline void
2184qlcnic_clear_cmddesc(u64 *desc)
2185{
2186 desc[0] = 0ULL;
2187 desc[2] = 0ULL;
8cf61f89 2188 desc[7] = 0ULL;
af19b491
AKS		 2189}
2190
cdaff185 2191netdev_tx_t
af19b491
AKS		 2192qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2193{
2194 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2195 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2196 struct qlcnic_cmd_buffer *pbuf;
2197 struct qlcnic_skb_frag *buffrag;
2198 struct cmd_desc_type0 *hwdesc, *first_desc;
2199 struct pci_dev *pdev;
dcb50aff 2200 struct ethhdr *phdr;
91a403ca 2201 int delta = 0;
af19b491
AKS		 2202 int i, k;
2203
2204 u32 producer;
036d61f0 2205 int frag_count;
af19b491
AKS		 2206 u32 num_txd = tx_ring->num_desc;
2207
780ab790
AKS		 2208 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
2209 netif_stop_queue(netdev);
2210 return NETDEV_TX_BUSY;
2211 }
2212
fe4d434d 2213 if (adapter->flags & QLCNIC_MACSPOOF) {
dcb50aff
RB		 2214 phdr = (struct ethhdr *)skb->data;
2215 if (compare_ether_addr(phdr->h_source,
fe4d434d
SC		 2216 adapter->mac_addr))
2217 goto drop_packet;
2218 }
2219
af19b491 2220 frag_count = skb_shinfo(skb)->nr_frags + 1;
91a403ca
AKS		 2221 /* 14 frags supported for normal packet and
2222 * 32 frags supported for TSO packet
2223 */
2224 if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) {
2225
2226 for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++)
9e903e08 2227 delta += skb_frag_size(&skb_shinfo(skb)->frags[i]);
91a403ca
AKS		 2228
2229 if (!__pskb_pull_tail(skb, delta))
2230 goto drop_packet;
2231
2232 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2233 }
af19b491 2234
ef71ff83 2235 if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
af19b491 2236 netif_stop_queue(netdev);
ef71ff83
RB		 2237 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
2238 netif_start_queue(netdev);
2239 else {
2240 adapter->stats.xmit_off++;
2241 return NETDEV_TX_BUSY;
2242 }
af19b491
AKS		 2243 }
2244
2245 producer = tx_ring->producer;
2246 pbuf = &tx_ring->cmd_buf_arr[producer];
2247
2248 pdev = adapter->pdev;
2249
8cf61f89
AKS		 2250 first_desc = hwdesc = &tx_ring->desc_head[producer];
2251 qlcnic_clear_cmddesc((u64 *)hwdesc);
2252
8ae6df97
AKS		 2253 if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
2254 adapter->stats.tx_dma_map_error++;
af19b491 2255 goto drop_packet;
8ae6df97 2256 }
af19b491
AKS		 2257
2258 pbuf->skb = skb;
2259 pbuf->frag_count = frag_count;
2260
af19b491
AKS		 2261 qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
2262 qlcnic_set_tx_port(first_desc, adapter->portnum);
2263
2264 for (i = 0; i < frag_count; i++) {
2265
2266 k = i % 4;
2267
2268 if ((k == 0) && (i > 0)) {
2269 /* move to next desc.*/
2270 producer = get_next_index(producer, num_txd);
2271 hwdesc = &tx_ring->desc_head[producer];
2272 qlcnic_clear_cmddesc((u64 *)hwdesc);
2273 tx_ring->cmd_buf_arr[producer].skb = NULL;
2274 }
2275
2276 buffrag = &pbuf->frag_array[i];
2277
2278 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2279 switch (k) {
2280 case 0:
2281 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2282 break;
2283 case 1:
2284 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2285 break;
2286 case 2:
2287 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2288 break;
2289 case 3:
2290 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2291 break;
2292 }
2293 }
2294
2295 tx_ring->producer = get_next_index(producer, num_txd);
036d61f0 2296 smp_mb();
af19b491 2297
036d61f0
AC		 2298 if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb)))
2299 goto unwind_buff;
af19b491 2300
e5dcf6dc 2301 if (adapter->mac_learn)
b5e5492c
AKS		 2302 qlcnic_send_filter(adapter, tx_ring, first_desc, skb);
2303
af19b491
AKS		 2304 adapter->stats.txbytes += skb->len;
2305 adapter->stats.xmitcalled++;
2306
f127f472
SC		 2307 qlcnic_update_cmd_producer(adapter, tx_ring);
2308
af19b491
AKS		 2309 return NETDEV_TX_OK;
2310
036d61f0
AC		 2311unwind_buff:
2312 qlcnic_unmap_buffers(pdev, skb, pbuf);
af19b491
AKS		 2313drop_packet:
2314 adapter->stats.txdropped++;
2315 dev_kfree_skb_any(skb);
2316 return NETDEV_TX_OK;
2317}
2318
2319static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2320{
2321 struct net_device *netdev = adapter->netdev;
2322 u32 temp, temp_state, temp_val;
2323 int rv = 0;
2324
2325 temp = QLCRD32(adapter, CRB_TEMP_STATE);
2326
2327 temp_state = qlcnic_get_temp_state(temp);
2328 temp_val = qlcnic_get_temp_val(temp);
2329
2330 if (temp_state == QLCNIC_TEMP_PANIC) {
2331 dev_err(&netdev->dev,
2332 "Device temperature %d degrees C exceeds"
2333 " maximum allowed. Hardware has been shut down.\n",
2334 temp_val);
2335 rv = 1;
2336 } else if (temp_state == QLCNIC_TEMP_WARN) {
2337 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
2338 dev_err(&netdev->dev,
2339 "Device temperature %d degrees C "
2340 "exceeds operating range."
2341 " Immediate action needed.\n",
2342 temp_val);
2343 }
2344 } else {
2345 if (adapter->temp == QLCNIC_TEMP_WARN) {
2346 dev_info(&netdev->dev,
2347 "Device temperature is now %d degrees C"
2348 " in normal range.\n", temp_val);
2349 }
2350 }
2351 adapter->temp = temp_state;
2352 return rv;
2353}
2354
2355void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
2356{
2357 struct net_device *netdev = adapter->netdev;
2358
b1fc6d3c 2359 if (adapter->ahw->linkup && !linkup) {
69324275 2360 netdev_info(netdev, "NIC Link is down\n");
b1fc6d3c 2361 adapter->ahw->linkup = 0;
af19b491
AKS		 2362 if (netif_running(netdev)) {
2363 netif_carrier_off(netdev);
2364 netif_stop_queue(netdev);
2365 }
b1fc6d3c 2366 } else if (!adapter->ahw->linkup && linkup) {
69324275 2367 netdev_info(netdev, "NIC Link is up\n");
b1fc6d3c 2368 adapter->ahw->linkup = 1;
af19b491
AKS		 2369 if (netif_running(netdev)) {
2370 netif_carrier_on(netdev);
2371 netif_wake_queue(netdev);
2372 }
2373 }
2374}
2375
2376static void qlcnic_tx_timeout(struct net_device *netdev)
2377{
2378 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2379
2380 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2381 return;
2382
2383 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2384
2385 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2386 adapter->need_fw_reset = 1;
2387 else
2388 adapter->reset_context = 1;
af19b491
AKS		 2389}
2390
2391static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2392{
2393 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2394 struct net_device_stats *stats = &netdev->stats;
2395
af19b491
AKS		 2396 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2397 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2398 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2399 stats->tx_bytes = adapter->stats.txbytes;
2400 stats->rx_dropped = adapter->stats.rxdropped;
2401 stats->tx_dropped = adapter->stats.txdropped;
2402
2403 return stats;
2404}
2405
7eb9855d 2406static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2407{
af19b491
AKS		 2408 u32 status;
2409
2410 status = readl(adapter->isr_int_vec);
2411
2412 if (!(status & adapter->int_vec_bit))
2413 return IRQ_NONE;
2414
2415 /* check interrupt state machine, to be sure */
2416 status = readl(adapter->crb_int_state_reg);
2417 if (!ISR_LEGACY_INT_TRIGGERED(status))
2418 return IRQ_NONE;
2419
2420 writel(0xffffffff, adapter->tgt_status_reg);
2421 /* read twice to ensure write is flushed */
2422 readl(adapter->isr_int_vec);
2423 readl(adapter->isr_int_vec);
2424
7eb9855d
AKS		 2425 return IRQ_HANDLED;
2426}
2427
2428static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2429{
2430 struct qlcnic_host_sds_ring *sds_ring = data;
2431 struct qlcnic_adapter *adapter = sds_ring->adapter;
2432
2433 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2434 goto done;
2435 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2436 writel(0xffffffff, adapter->tgt_status_reg);
2437 goto done;
2438 }
2439
2440 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2441 return IRQ_NONE;
2442
2443done:
2444 adapter->diag_cnt++;
2445 qlcnic_enable_int(sds_ring);
2446 return IRQ_HANDLED;
2447}
2448
2449static irqreturn_t qlcnic_intr(int irq, void *data)
2450{
2451 struct qlcnic_host_sds_ring *sds_ring = data;
2452 struct qlcnic_adapter *adapter = sds_ring->adapter;
2453
2454 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2455 return IRQ_NONE;
2456
af19b491
AKS		 2457 napi_schedule(&sds_ring->napi);
2458
2459 return IRQ_HANDLED;
2460}
2461
2462static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2463{
2464 struct qlcnic_host_sds_ring *sds_ring = data;
2465 struct qlcnic_adapter *adapter = sds_ring->adapter;
2466
2467 /* clear interrupt */
2468 writel(0xffffffff, adapter->tgt_status_reg);
2469
2470 napi_schedule(&sds_ring->napi);
2471 return IRQ_HANDLED;
2472}
2473
2474static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2475{
2476 struct qlcnic_host_sds_ring *sds_ring = data;
2477
2478 napi_schedule(&sds_ring->napi);
2479 return IRQ_HANDLED;
2480}
2481
2482static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
2483{
2484 u32 sw_consumer, hw_consumer;
2485 int count = 0, i;
2486 struct qlcnic_cmd_buffer *buffer;
2487 struct pci_dev *pdev = adapter->pdev;
2488 struct net_device *netdev = adapter->netdev;
2489 struct qlcnic_skb_frag *frag;
2490 int done;
2491 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2492
2493 if (!spin_trylock(&adapter->tx_clean_lock))
2494 return 1;
2495
2496 sw_consumer = tx_ring->sw_consumer;
2497 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2498
2499 while (sw_consumer != hw_consumer) {
2500 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
2501 if (buffer->skb) {
2502 frag = &buffer->frag_array[0];
2503 pci_unmap_single(pdev, frag->dma, frag->length,
2504 PCI_DMA_TODEVICE);
2505 frag->dma = 0ULL;
2506 for (i = 1; i < buffer->frag_count; i++) {
2507 frag++;
2508 pci_unmap_page(pdev, frag->dma, frag->length,
2509 PCI_DMA_TODEVICE);
2510 frag->dma = 0ULL;
2511 }
2512
2513 adapter->stats.xmitfinished++;
2514 dev_kfree_skb_any(buffer->skb);
2515 buffer->skb = NULL;
2516 }
2517
2518 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
2519 if (++count >= MAX_STATUS_HANDLE)
2520 break;
2521 }
2522
2523 if (count && netif_running(netdev)) {
2524 tx_ring->sw_consumer = sw_consumer;
2525
2526 smp_mb();
2527
2528 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
af19b491
AKS		 2529 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
2530 netif_wake_queue(netdev);
8bfe8b91 2531 adapter->stats.xmit_on++;
af19b491 2532 }
af19b491 2533 }
ef71ff83 2534 adapter->tx_timeo_cnt = 0;
af19b491
AKS		 2535 }
2536 /*
2537 * If everything is freed up to consumer then check if the ring is full
2538 * If the ring is full then check if more needs to be freed and
2539 * schedule the call back again.
2540 *
2541 * This happens when there are 2 CPUs. One could be freeing and the
2542 * other filling it. If the ring is full when we get out of here and
2543 * the card has already interrupted the host then the host can miss the
2544 * interrupt.
2545 *
2546 * There is still a possible race condition and the host could miss an
2547 * interrupt. The card has to take care of this.
2548 */
2549 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2550 done = (sw_consumer == hw_consumer);
2551 spin_unlock(&adapter->tx_clean_lock);
2552
2553 return done;
2554}
2555
2556static int qlcnic_poll(struct napi_struct *napi, int budget)
2557{
2558 struct qlcnic_host_sds_ring *sds_ring =
2559 container_of(napi, struct qlcnic_host_sds_ring, napi);
2560
2561 struct qlcnic_adapter *adapter = sds_ring->adapter;
2562
2563 int tx_complete;
2564 int work_done;
2565
2566 tx_complete = qlcnic_process_cmd_ring(adapter);
2567
2568 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2569
2570 if ((work_done < budget) && tx_complete) {
2571 napi_complete(&sds_ring->napi);
2572 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2573 qlcnic_enable_int(sds_ring);
2574 }
2575
2576 return work_done;
2577}
2578
8f891387 2579static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
2580{
2581 struct qlcnic_host_sds_ring *sds_ring =
2582 container_of(napi, struct qlcnic_host_sds_ring, napi);
2583
2584 struct qlcnic_adapter *adapter = sds_ring->adapter;
2585 int work_done;
2586
2587 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2588
2589 if (work_done < budget) {
2590 napi_complete(&sds_ring->napi);
2591 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2592 qlcnic_enable_int(sds_ring);
2593 }
2594
2595 return work_done;
2596}
2597
af19b491
AKS		 2598#ifdef CONFIG_NET_POLL_CONTROLLER
2599static void qlcnic_poll_controller(struct net_device *netdev)
2600{
bf82791e
YL		 2601 int ring;
2602 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2603 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2604 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2605
af19b491 2606 disable_irq(adapter->irq);
bf82791e
YL		 2607 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2608 sds_ring = &recv_ctx->sds_rings[ring];
2609 qlcnic_intr(adapter->irq, sds_ring);
2610 }
af19b491
AKS		 2611 enable_irq(adapter->irq);
2612}
2613#endif
2614
6df900e9
SC		 2615static void
2616qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2617{
2618 u32 val;
2619
2620 val = adapter->portnum & 0xf;
2621 val |= encoding << 7;
2622 val |= (jiffies - adapter->dev_rst_time) << 8;
2623
2624 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2625 adapter->dev_rst_time = jiffies;
2626}
2627
ade91f8e
AKS		 2628static int
2629qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2630{
2631 u32 val;
2632
2633 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2634 state != QLCNIC_DEV_NEED_QUISCENT);
2635
2636 if (qlcnic_api_lock(adapter))
ade91f8e 2637 return -EIO;
af19b491
AKS		 2638
2639 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2640
2641 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2642 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2643 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2644 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491
AKS		 2645
2646 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2647
2648 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2649
2650 return 0;
af19b491
AKS		 2651}
2652
1b95a839
AKS		 2653static int
2654qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2655{
2656 u32 val;
2657
2658 if (qlcnic_api_lock(adapter))
2659 return -EBUSY;
2660
2661 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2662 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
1b95a839
AKS		 2663 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2664
2665 qlcnic_api_unlock(adapter);
2666
2667 return 0;
2668}
2669
af19b491 2670static void
21854f02 2671qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2672{
2673 u32 val;
2674
2675 if (qlcnic_api_lock(adapter))
2676 goto err;
2677
31018e06 2678 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2679 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
31018e06 2680 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2681
21854f02
AKS		 2682 if (failed) {
2683 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2684 dev_info(&adapter->pdev->dev,
2685 "Device state set to Failed. Please Reboot\n");
2686 } else if (!(val & 0x11111111))
af19b491
AKS		 2687 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2688
2689 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2690 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
af19b491
AKS		 2691 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2692
2693 qlcnic_api_unlock(adapter);
2694err:
2695 adapter->fw_fail_cnt = 0;
032a13c7 2696 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2697 clear_bit(__QLCNIC_START_FW, &adapter->state);
2698 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2699}
2700
f73dfc50 2701/* Grab api lock, before checking state */
af19b491
AKS		 2702static int
2703qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2704{
602ca6f0 2705 int act, state, active_mask;
af19b491
AKS		 2706
2707 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
31018e06 2708 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2709
602ca6f0
SV		 2710 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2711 active_mask = (~(1 << (adapter->ahw->pci_func * 4)));
2712 act = act & active_mask;
2713 }
2714
af19b491
AKS		 2715 if (((state & 0x11111111) == (act & 0x11111111)) ||
2716 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2717 return 0;
2718 else
2719 return 1;
2720}
2721
96f8118c
SC		 2722static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2723{
2724 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2725
2726 if (val != QLCNIC_DRV_IDC_VER) {
2727 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2728 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2729 }
2730
2731 return 0;
2732}
2733
af19b491
AKS		 2734static int
2735qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2736{
2737 u32 val, prev_state;
aa5e18c0 2738 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2739 u8 portnum = adapter->portnum;
96f8118c 2740 u8 ret;
af19b491 2741
f73dfc50
AKS		 2742 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2743 return 1;
2744
af19b491
AKS		 2745 if (qlcnic_api_lock(adapter))
2746 return -1;
2747
31018e06 2748 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2749 if (!(val & (1 << (portnum * 4)))) {
2750 QLC_DEV_SET_REF_CNT(val, portnum);
31018e06 2751 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2752 }
2753
2754 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2755 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2756
2757 switch (prev_state) {
2758 case QLCNIC_DEV_COLD:
bbd8c6a4 2759 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
96f8118c 2760 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
6df900e9 2761 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2762 qlcnic_api_unlock(adapter);
2763 return 1;
2764
2765 case QLCNIC_DEV_READY:
96f8118c 2766 ret = qlcnic_check_idc_ver(adapter);
af19b491 2767 qlcnic_api_unlock(adapter);
96f8118c 2768 return ret;
af19b491
AKS		 2769
2770 case QLCNIC_DEV_NEED_RESET:
2771 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2772 QLC_DEV_SET_RST_RDY(val, portnum);
af19b491
AKS		 2773 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2774 break;
2775
2776 case QLCNIC_DEV_NEED_QUISCENT:
2777 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2778 QLC_DEV_SET_QSCNT_RDY(val, portnum);
af19b491
AKS		 2779 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2780 break;
2781
2782 case QLCNIC_DEV_FAILED:
a7fc948f 2783 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2784 qlcnic_api_unlock(adapter);
2785 return -1;
bbd8c6a4
AKS		 2786
2787 case QLCNIC_DEV_INITIALIZING:
2788 case QLCNIC_DEV_QUISCENT:
2789 break;
af19b491
AKS		 2790 }
2791
2792 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2793
2794 do {
af19b491 2795 msleep(1000);
a5e463d0
SC		 2796 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2797
2798 if (prev_state == QLCNIC_DEV_QUISCENT)
2799 continue;
2800 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2801
65b5b420
AKS		 2802 if (!dev_init_timeo) {
2803 dev_err(&adapter->pdev->dev,
2804 "Waiting for device to initialize timeout\n");
af19b491 2805 return -1;
65b5b420 2806 }
af19b491
AKS		 2807
2808 if (qlcnic_api_lock(adapter))
2809 return -1;
2810
2811 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2812 QLC_DEV_CLR_RST_QSCNT(val, portnum);
af19b491
AKS		 2813 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2814
96f8118c 2815 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2816 qlcnic_api_unlock(adapter);
2817
96f8118c 2818 return ret;
af19b491
AKS		 2819}
2820
2821static void
2822qlcnic_fwinit_work(struct work_struct *work)
2823{
2824 struct qlcnic_adapter *adapter = container_of(work,
2825 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2826 u32 dev_state = 0xf;
7b749ff4 2827 u32 val;
af19b491 2828
f73dfc50
AKS		 2829 if (qlcnic_api_lock(adapter))
2830 goto err_ret;
af19b491 2831
a5e463d0 2832 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2833 if (dev_state == QLCNIC_DEV_QUISCENT ||
2834 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2835 qlcnic_api_unlock(adapter);
2836 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2837 FW_POLL_DELAY * 2);
2838 return;
2839 }
2840
9f26f547 2841 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2842 qlcnic_api_unlock(adapter);
2843 goto wait_npar;
9f26f547
AC		 2844 }
2845
16e3cf73
SV		 2846 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2847 dev_state == QLCNIC_DEV_READY) {
2848 dev_info(&adapter->pdev->dev, "Detected state change from "
2849 "DEV_NEED_RESET, skipping ack check\n");
2850 goto skip_ack_check;
2851 }
2852
f73dfc50 2853 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2854 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2855 adapter->reset_ack_timeo);
2856 goto skip_ack_check;
2857 }
2858
2859 if (!qlcnic_check_drv_state(adapter)) {
2860skip_ack_check:
2861 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2862
f73dfc50
AKS		 2863 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2864 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2865 QLCNIC_DEV_INITIALIZING);
2866 set_bit(__QLCNIC_START_FW, &adapter->state);
2867 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2868 qlcnic_idc_debug_info(adapter, 0);
7b749ff4
SV		 2869 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2870 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2871 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2872 }
2873
f73dfc50
AKS		 2874 qlcnic_api_unlock(adapter);
2875
287e38aa 2876 rtnl_lock();
7b749ff4
SV		 2877 if (adapter->ahw->fw_dump.enable &&
2878 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2879 QLCDB(adapter, DRV, "Take FW dump\n");
2880 qlcnic_dump_fw(adapter);
032a13c7 2881 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2882 }
287e38aa 2883 rtnl_unlock();
7b749ff4
SV		 2884
2885 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2886 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2887 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2888 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2889 return;
2890 }
af19b491
AKS		 2891 goto err_ret;
2892 }
2893
f73dfc50 2894 qlcnic_api_unlock(adapter);
aa5e18c0 2895
9f26f547 2896wait_npar:
af19b491 2897 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2898 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2899
af19b491 2900 switch (dev_state) {
3c4b23b1 2901 case QLCNIC_DEV_READY:
9f26f547 2902 if (!adapter->nic_ops->start_firmware(adapter)) {
f73dfc50 2903 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2904 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2905 return;
2906 }
3c4b23b1
AKS		 2907 case QLCNIC_DEV_FAILED:
2908 break;
2909 default:
2910 qlcnic_schedule_work(adapter,
2911 qlcnic_fwinit_work, FW_POLL_DELAY);
2912 return;
af19b491
AKS		 2913 }
2914
2915err_ret:
f73dfc50
AKS		 2916 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2917 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2918 netif_device_attach(adapter->netdev);
21854f02 2919 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2920}
2921
2922static void
2923qlcnic_detach_work(struct work_struct *work)
2924{
2925 struct qlcnic_adapter *adapter = container_of(work,
2926 struct qlcnic_adapter, fw_work.work);
2927 struct net_device *netdev = adapter->netdev;
2928 u32 status;
2929
2930 netif_device_detach(netdev);
2931
b8c17620
AKS		 2932 /* Dont grab rtnl lock during Quiscent mode */
2933 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2934 if (netif_running(netdev))
2935 __qlcnic_down(adapter, netdev);
2936 } else
2937 qlcnic_down(adapter, netdev);
af19b491 2938
af19b491
AKS		 2939 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2940
44f65b29
SC		 2941 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2942 dev_err(&adapter->pdev->dev,
2943 "Detaching the device: peg halt status1=0x%x\n",
2944 status);
2945
2946 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2947 dev_err(&adapter->pdev->dev,
2948 "On board active cooling fan failed. "
2949 "Device has been halted.\n");
2950 dev_err(&adapter->pdev->dev,
2951 "Replace the adapter.\n");
2952 }
2953
af19b491 2954 goto err_ret;
44f65b29 2955 }
af19b491 2956
44f65b29
SC		 2957 if (adapter->temp == QLCNIC_TEMP_PANIC) {
2958 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2959 adapter->temp);
af19b491 2960 goto err_ret;
44f65b29
SC		 2961 }
2962
602ca6f0
SV		 2963 /* Dont ack if this instance is the reset owner */
2964 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2965 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2966 dev_err(&adapter->pdev->dev,
2967 "Failed to set driver state,"
2968 "detaching the device.\n");
602ca6f0 2969 goto err_ret;
44f65b29 2970 }
602ca6f0 2971 }
af19b491
AKS		 2972
2973 adapter->fw_wait_cnt = 0;
2974
2975 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2976
2977 return;
2978
2979err_ret:
34ce3626 2980 netif_device_attach(netdev);
21854f02 2981 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2982}
2983
3c4b23b1
AKS		 2984/*Transit NPAR state to NON Operational */
2985static void
2986qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2987{
2988 u32 state;
2989
2990 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2991 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2992 return;
2993
2994 if (qlcnic_api_lock(adapter))
2995 return;
2996 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2997 qlcnic_api_unlock(adapter);
2998}
2999
f73dfc50 3000/*Transit to RESET state from READY state only */
18f2f616 3001void
af19b491
AKS		 3002qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
3003{
646779f1
SV		 3004 u32 state, xg_val = 0, gb_val = 0;
3005
3006 qlcnic_xg_set_xg0_mask(xg_val);
3007 qlcnic_xg_set_xg1_mask(xg_val);
3008 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3009 qlcnic_gb_set_gb0_mask(gb_val);
3010 qlcnic_gb_set_gb1_mask(gb_val);
3011 qlcnic_gb_set_gb2_mask(gb_val);
3012 qlcnic_gb_set_gb3_mask(gb_val);
3013 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3014 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3015 " on all ports\n");
cea8975e 3016 adapter->need_fw_reset = 1;
af19b491
AKS		 3017 if (qlcnic_api_lock(adapter))
3018 return;
3019
3020 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
3021
f73dfc50 3022 if (state == QLCNIC_DEV_READY) {
af19b491 3023 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
602ca6f0 3024 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3025 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3026 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3027 }
3028
3c4b23b1 3029 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3030 qlcnic_api_unlock(adapter);
3031}
3032
9f26f547
AC		 3033/* Transit to NPAR READY state from NPAR NOT READY state */
3034static void
3035qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3036{
9f26f547
AC		 3037 if (qlcnic_api_lock(adapter))
3038 return;
3039
3c4b23b1
AKS		 3040 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
3041 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3042
3043 qlcnic_api_unlock(adapter);
3044}
3045
af19b491
AKS		 3046static void
3047qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3048 work_func_t func, int delay)
3049{
451724c8
SC		 3050 if (test_bit(__QLCNIC_AER, &adapter->state))
3051 return;
3052
af19b491 3053 INIT_DELAYED_WORK(&adapter->fw_work, func);
f7ec804a
AKS		 3054 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
3055 round_jiffies_relative(delay));
af19b491
AKS		 3056}
3057
3058static void
3059qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
3060{
3061 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
3062 msleep(10);
3063
3064 cancel_delayed_work_sync(&adapter->fw_work);
3065}
3066
3067static void
3068qlcnic_attach_work(struct work_struct *work)
3069{
3070 struct qlcnic_adapter *adapter = container_of(work,
3071 struct qlcnic_adapter, fw_work.work);
3072 struct net_device *netdev = adapter->netdev;
b18971d1 3073 u32 npar_state;
af19b491 3074
b18971d1
AKS		 3075 if (adapter->op_mode != QLCNIC_MGMT_FUNC) {
3076 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3077 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3078 qlcnic_clr_all_drv_state(adapter, 0);
3079 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3080 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3081 FW_POLL_DELAY);
3082 else
3083 goto attach;
3084 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3085 return;
3086 }
3087attach:
af19b491 3088 if (netif_running(netdev)) {
52486a3a 3089 if (qlcnic_up(adapter, netdev))
af19b491 3090 goto done;
af19b491 3091
aec1e845 3092 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3093 }
3094
af19b491 3095done:
34ce3626 3096 netif_device_attach(netdev);
af19b491 3097 adapter->fw_fail_cnt = 0;
032a13c7 3098 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3099 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 3100
3101 if (!qlcnic_clr_drv_state(adapter))
3102 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3103 FW_POLL_DELAY);
af19b491
AKS		 3104}
3105
3106static int
3107qlcnic_check_health(struct qlcnic_adapter *adapter)
3108{
4e70812b 3109 u32 state = 0, heartbeat;
853d4bca 3110 u32 peg_status;
af19b491
AKS		 3111
3112 if (qlcnic_check_temp(adapter))
3113 goto detach;
3114
2372a5f1 3115 if (adapter->need_fw_reset)
af19b491 3116 qlcnic_dev_request_reset(adapter);
af19b491
AKS		 3117
3118 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3119 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3120 qlcnic_set_npar_non_operational(adapter);
af19b491 3121 adapter->need_fw_reset = 1;
b8c17620
AKS		 3122 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3123 goto detach;
af19b491 3124
4e70812b
SC		 3125 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3126 if (heartbeat != adapter->heartbeat) {
3127 adapter->heartbeat = heartbeat;
af19b491
AKS		 3128 adapter->fw_fail_cnt = 0;
3129 if (adapter->need_fw_reset)
3130 goto detach;
68bf1c68 3131
9ce13ca8 3132 if (adapter->reset_context && auto_fw_reset) {
68bf1c68
AKS		 3133 qlcnic_reset_hw_context(adapter);
3134 adapter->netdev->trans_start = jiffies;
3135 }
3136
af19b491
AKS		 3137 return 0;
3138 }
3139
3140 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3141 return 0;
3142
032a13c7
SV		 3143 adapter->flags |= QLCNIC_FW_HANG;
3144
af19b491
AKS		 3145 qlcnic_dev_request_reset(adapter);
3146
9ce13ca8 3147 if (auto_fw_reset)
0df170b6 3148 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3149
853d4bca
AR		 3150 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3151 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3152 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3153 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3154 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3155 "PEG_NET_4_PC: 0x%x\n",
3156 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1),
3157 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3158 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3159 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3160 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3161 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3162 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
853d4bca 3163 peg_status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
97048a1f 3164 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3165 dev_err(&adapter->pdev->dev,
3166 "Firmware aborted with error code 0x00006700. "
3167 "Device is being reset.\n");
af19b491
AKS		 3168detach:
3169 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3170 QLCNIC_DEV_NEED_RESET;
3171
9ce13ca8 3172 if (auto_fw_reset &&
65b5b420
AKS		 3173 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
3174
af19b491 3175 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3176 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3177 }
af19b491
AKS		 3178
3179 return 1;
3180}
3181
3182static void
3183qlcnic_fw_poll_work(struct work_struct *work)
3184{
3185 struct qlcnic_adapter *adapter = container_of(work,
3186 struct qlcnic_adapter, fw_work.work);
3187
3188 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3189 goto reschedule;
3190
3191
3192 if (qlcnic_check_health(adapter))
3193 return;
3194
b5e5492c
AKS		 3195 if (adapter->fhash.fnum)
3196 qlcnic_prune_lb_filters(adapter);
3197
af19b491
AKS		 3198reschedule:
3199 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3200}
3201
451724c8
SC		 3202static int qlcnic_is_first_func(struct pci_dev *pdev)
3203{
3204 struct pci_dev *oth_pdev;
3205 int val = pdev->devfn;
3206
3207 while (val-- > 0) {
3208 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3209 (pdev->bus), pdev->bus->number,
3210 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3211 if (!oth_pdev)
3212 continue;
451724c8 3213
bfc978fa
AKS		 3214 if (oth_pdev->current_state != PCI_D3cold) {
3215 pci_dev_put(oth_pdev);
451724c8 3216 return 0;
bfc978fa
AKS		 3217 }
3218 pci_dev_put(oth_pdev);
451724c8
SC		 3219 }
3220 return 1;
3221}
3222
3223static int qlcnic_attach_func(struct pci_dev *pdev)
3224{
3225 int err, first_func;
3226 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3227 struct net_device *netdev = adapter->netdev;
3228
3229 pdev->error_state = pci_channel_io_normal;
3230
3231 err = pci_enable_device(pdev);
3232 if (err)
3233 return err;
3234
3235 pci_set_power_state(pdev, PCI_D0);
3236 pci_set_master(pdev);
3237 pci_restore_state(pdev);
3238
3239 first_func = qlcnic_is_first_func(pdev);
3240
3241 if (qlcnic_api_lock(adapter))
3242 return -EINVAL;
3243
933fce12 3244 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3245 adapter->need_fw_reset = 1;
3246 set_bit(__QLCNIC_START_FW, &adapter->state);
3247 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
3248 QLCDB(adapter, DRV, "Restarting fw\n");
3249 }
3250 qlcnic_api_unlock(adapter);
3251
3252 err = adapter->nic_ops->start_firmware(adapter);
3253 if (err)
3254 return err;
3255
3256 qlcnic_clr_drv_state(adapter);
3257 qlcnic_setup_intr(adapter);
3258
3259 if (netif_running(netdev)) {
3260 err = qlcnic_attach(adapter);
3261 if (err) {
21854f02 3262 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3263 clear_bit(__QLCNIC_AER, &adapter->state);
3264 netif_device_attach(netdev);
3265 return err;
3266 }
3267
3268 err = qlcnic_up(adapter, netdev);
3269 if (err)
3270 goto done;
3271
aec1e845 3272 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3273 }
3274 done:
3275 netif_device_attach(netdev);
3276 return err;
3277}
3278
3279static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3280 pci_channel_state_t state)
3281{
3282 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3283 struct net_device *netdev = adapter->netdev;
3284
3285 if (state == pci_channel_io_perm_failure)
3286 return PCI_ERS_RESULT_DISCONNECT;
3287
3288 if (state == pci_channel_io_normal)
3289 return PCI_ERS_RESULT_RECOVERED;
3290
3291 set_bit(__QLCNIC_AER, &adapter->state);
3292 netif_device_detach(netdev);
3293
3294 cancel_delayed_work_sync(&adapter->fw_work);
3295
3296 if (netif_running(netdev))
3297 qlcnic_down(adapter, netdev);
3298
3299 qlcnic_detach(adapter);
3300 qlcnic_teardown_intr(adapter);
3301
3302 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3303
3304 pci_save_state(pdev);
3305 pci_disable_device(pdev);
3306
3307 return PCI_ERS_RESULT_NEED_RESET;
3308}
3309
3310static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3311{
3312 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3313 PCI_ERS_RESULT_RECOVERED;
3314}
3315
3316static void qlcnic_io_resume(struct pci_dev *pdev)
3317{
3318 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3319
3320 pci_cleanup_aer_uncorrect_error_status(pdev);
3321
3322 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
3323 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
3324 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3325 FW_POLL_DELAY);
3326}
3327
87eb743b
AC		 3328static int
3329qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3330{
3331 int err;
3332
3333 err = qlcnic_can_start_firmware(adapter);
3334 if (err)
3335 return err;
3336
78f84e1a
AKS		 3337 err = qlcnic_check_npar_opertional(adapter);
3338 if (err)
3339 return err;
3c4b23b1 3340
174240a8
RB		 3341 err = qlcnic_initialize_nic(adapter);
3342 if (err)
3343 return err;
3344
87eb743b
AC		 3345 qlcnic_check_options(adapter);
3346
7373373d
RB		 3347 err = qlcnic_set_eswitch_port_config(adapter);
3348 if (err)
3349 return err;
3350
87eb743b
AC		 3351 adapter->need_fw_reset = 0;
3352
3353 return err;
3354}
3355
3356static int
3357qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
3358{
3359 return -EOPNOTSUPP;
3360}
3361
3362static int
3363qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
3364{
3365 return -EOPNOTSUPP;
3366}
3367
af19b491
AKS		 3368static ssize_t
3369qlcnic_store_bridged_mode(struct device *dev,
3370 struct device_attribute *attr, const char *buf, size_t len)
3371{
3372 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3373 unsigned long new;
3374 int ret = -EINVAL;
3375
3376 if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
3377 goto err_out;
3378
8a15ad1f 3379 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3380 goto err_out;
3381
3382 if (strict_strtoul(buf, 2, &new))
3383 goto err_out;
3384
2e9d722d 3385 if (!adapter->nic_ops->config_bridged_mode(adapter, !!new))
af19b491
AKS		 3386 ret = len;
3387
3388err_out:
3389 return ret;
3390}
3391
3392static ssize_t
3393qlcnic_show_bridged_mode(struct device *dev,
3394 struct device_attribute *attr, char *buf)
3395{
3396 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3397 int bridged_mode = 0;
3398
3399 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3400 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
3401
3402 return sprintf(buf, "%d\n", bridged_mode);
3403}
3404
3405static struct device_attribute dev_attr_bridged_mode = {
3406 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
3407 .show = qlcnic_show_bridged_mode,
3408 .store = qlcnic_store_bridged_mode,
3409};
3410
3411static ssize_t
3412qlcnic_store_diag_mode(struct device *dev,
3413 struct device_attribute *attr, const char *buf, size_t len)
3414{
3415 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3416 unsigned long new;
3417
3418 if (strict_strtoul(buf, 2, &new))
3419 return -EINVAL;
3420
3421 if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
3422 adapter->flags ^= QLCNIC_DIAG_ENABLED;
3423
3424 return len;
3425}
3426
3427static ssize_t
3428qlcnic_show_diag_mode(struct device *dev,
3429 struct device_attribute *attr, char *buf)
3430{
3431 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3432
3433 return sprintf(buf, "%d\n",
3434 !!(adapter->flags & QLCNIC_DIAG_ENABLED));
3435}
3436
3437static struct device_attribute dev_attr_diag_mode = {
3438 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
3439 .show = qlcnic_show_diag_mode,
3440 .store = qlcnic_store_diag_mode,
3441};
3442
f94bc1e7
SC		 3443int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
3444{
3445 if (!use_msi_x && !use_msi) {
3446 netdev_info(netdev, "no msix or msi support, hence no rss\n");
3447 return -EINVAL;
3448 }
3449
3450 if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
3451 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
3452 " powers of 2\n", max_hw);
3453 return -EINVAL;
3454 }
3455 return 0;
3456
3457}
3458
3459int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
3460{
3461 struct net_device *netdev = adapter->netdev;
3462 int err = 0;
3463
3464 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
3465 return -EBUSY;
3466
3467 netif_device_detach(netdev);
3468 if (netif_running(netdev))
3469 __qlcnic_down(adapter, netdev);
3470 qlcnic_detach(adapter);
3471 qlcnic_teardown_intr(adapter);
3472
3473 if (qlcnic_enable_msix(adapter, data)) {
3474 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
3475 qlcnic_enable_msi_legacy(adapter);
3476 }
3477
3478 if (netif_running(netdev)) {
3479 err = qlcnic_attach(adapter);
3480 if (err)
3481 goto done;
3482 err = __qlcnic_up(adapter, netdev);
3483 if (err)
3484 goto done;
3485 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3486 }
3487 done:
3488 netif_device_attach(netdev);
3489 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3490 return err;
3491}
3492
728a98b8
SC		 3493static int
3494qlcnic_validate_beacon(struct qlcnic_adapter *adapter, u16 beacon, u8 *state,
3495 u8 *rate)
3496{
3497 *rate = LSB(beacon);
3498 *state = MSB(beacon);
3499
3500 QLCDB(adapter, DRV, "rate %x state %x\n", *rate, *state);
3501
3502 if (!*state) {
3503 *rate = __QLCNIC_MAX_LED_RATE;
3504 return 0;
3505 } else if (*state > __QLCNIC_MAX_LED_STATE)
3506 return -EINVAL;
3507
3508 if ((!*rate) || (*rate > __QLCNIC_MAX_LED_RATE))
3509 return -EINVAL;
3510
3511 return 0;
3512}
3513
3514static ssize_t
3515qlcnic_store_beacon(struct device *dev,
3516 struct device_attribute *attr, const char *buf, size_t len)
3517{
3518 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3519 int max_sds_rings = adapter->max_sds_rings;
728a98b8
SC		 3520 u16 beacon;
3521 u8 b_state, b_rate;
3522 int err;
3523
10ee0fae
SC		 3524 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
3525 dev_warn(dev, "LED test not supported for non "
3526 "privilege function\n");
3527 return -EOPNOTSUPP;
3528 }
3529
728a98b8
SC		 3530 if (len != sizeof(u16))
3531 return QL_STATUS_INVALID_PARAM;
3532
3533 memcpy(&beacon, buf, sizeof(u16));
3534 err = qlcnic_validate_beacon(adapter, beacon, &b_state, &b_rate);
3535 if (err)
3536 return err;
3537
3538 if (adapter->ahw->beacon_state == b_state)
3539 return len;
3540
10ee0fae
SC		 3541 rtnl_lock();
3542
728a98b8 3543 if (!adapter->ahw->beacon_state)
10ee0fae
SC		 3544 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) {
3545 rtnl_unlock();
728a98b8 3546 return -EBUSY;
10ee0fae
SC		 3547 }
3548
3549 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
3550 err = -EIO;
3551 goto out;
3552 }
728a98b8
SC		 3553
3554 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
728a98b8 3555 err = qlcnic_diag_alloc_res(adapter->netdev, QLCNIC_LED_TEST);
10ee0fae
SC		 3556 if (err)
3557 goto out;
3558 set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
728a98b8
SC		 3559 }
3560
3561 err = qlcnic_config_led(adapter, b_state, b_rate);
3562
3563 if (!err) {
728a98b8 3564 err = len;
10ee0fae 3565 adapter->ahw->beacon_state = b_state;
728a98b8
SC		 3566 }
3567
10ee0fae 3568 if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
728a98b8 3569 qlcnic_diag_free_res(adapter->netdev, max_sds_rings);
728a98b8 3570
10ee0fae
SC		 3571 out:
3572 if (!adapter->ahw->beacon_state)
728a98b8 3573 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
10ee0fae 3574 rtnl_unlock();
728a98b8
SC		 3575
3576 return err;
3577}
3578
3579static ssize_t
3580qlcnic_show_beacon(struct device *dev,
3581 struct device_attribute *attr, char *buf)
3582{
3583 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3584
3585 return sprintf(buf, "%d\n", adapter->ahw->beacon_state);
3586}
3587
3588static struct device_attribute dev_attr_beacon = {
3589 .attr = {.name = "beacon", .mode = (S_IRUGO | S_IWUSR)},
3590 .show = qlcnic_show_beacon,
3591 .store = qlcnic_store_beacon,
3592};
3593
af19b491
AKS		 3594static int
3595qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
3596 loff_t offset, size_t size)
3597{
897e8c7c
DP		 3598 size_t crb_size = 4;
3599
af19b491
AKS		 3600 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3601 return -EIO;
3602
897e8c7c
DP		 3603 if (offset < QLCNIC_PCI_CRBSPACE) {
3604 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
3605 QLCNIC_PCI_CAMQM_END))
3606 crb_size = 8;
3607 else
3608 return -EINVAL;
3609 }
af19b491 3610
897e8c7c
DP		 3611 if ((size != crb_size) || (offset & (crb_size-1)))
3612 return -EINVAL;
af19b491
AKS		 3613
3614 return 0;
3615}
3616
3617static ssize_t
2c3c8bea
CW		 3618qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
3619 struct bin_attribute *attr,
af19b491
AKS		 3620 char *buf, loff_t offset, size_t size)
3621{
3622 struct device *dev = container_of(kobj, struct device, kobj);
3623 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3624 u32 data;
897e8c7c 3625 u64 qmdata;
af19b491
AKS		 3626 int ret;
3627
3628 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3629 if (ret != 0)
3630 return ret;
3631
897e8c7c
DP		 3632 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3633 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
3634 memcpy(buf, &qmdata, size);
3635 } else {
3636 data = QLCRD32(adapter, offset);
3637 memcpy(buf, &data, size);
3638 }
af19b491
AKS		 3639 return size;
3640}
3641
3642static ssize_t
2c3c8bea
CW		 3643qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
3644 struct bin_attribute *attr,
af19b491
AKS		 3645 char *buf, loff_t offset, size_t size)
3646{
3647 struct device *dev = container_of(kobj, struct device, kobj);
3648 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3649 u32 data;
897e8c7c 3650 u64 qmdata;
af19b491
AKS		 3651 int ret;
3652
3653 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3654 if (ret != 0)
3655 return ret;
3656
897e8c7c
DP		 3657 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3658 memcpy(&qmdata, buf, size);
3659 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
3660 } else {
3661 memcpy(&data, buf, size);
3662 QLCWR32(adapter, offset, data);
3663 }
af19b491
AKS		 3664 return size;
3665}
3666
3667static int
3668qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
3669 loff_t offset, size_t size)
3670{
3671 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3672 return -EIO;
3673
3674 if ((size != 8) || (offset & 0x7))
3675 return -EIO;
3676
3677 return 0;
3678}
3679
3680static ssize_t
2c3c8bea
CW		 3681qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
3682 struct bin_attribute *attr,
af19b491
AKS		 3683 char *buf, loff_t offset, size_t size)
3684{
3685 struct device *dev = container_of(kobj, struct device, kobj);
3686 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3687 u64 data;
3688 int ret;
3689
3690 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3691 if (ret != 0)
3692 return ret;
3693
3694 if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
3695 return -EIO;
3696
3697 memcpy(buf, &data, size);
3698
3699 return size;
3700}
3701
3702static ssize_t
2c3c8bea
CW		 3703qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
3704 struct bin_attribute *attr,
af19b491
AKS		 3705 char *buf, loff_t offset, size_t size)
3706{
3707 struct device *dev = container_of(kobj, struct device, kobj);
3708 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3709 u64 data;
3710 int ret;
3711
3712 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3713 if (ret != 0)
3714 return ret;
3715
3716 memcpy(&data, buf, size);
3717
3718 if (qlcnic_pci_mem_write_2M(adapter, offset, data))
3719 return -EIO;
3720
3721 return size;
3722}
3723
af19b491
AKS		 3724static struct bin_attribute bin_attr_crb = {
3725 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3726 .size = 0,
3727 .read = qlcnic_sysfs_read_crb,
3728 .write = qlcnic_sysfs_write_crb,
3729};
3730
3731static struct bin_attribute bin_attr_mem = {
3732 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3733 .size = 0,
3734 .read = qlcnic_sysfs_read_mem,
3735 .write = qlcnic_sysfs_write_mem,
3736};
3737
cea8975e 3738static int
346fe763
RB		 3739validate_pm_config(struct qlcnic_adapter *adapter,
3740 struct qlcnic_pm_func_cfg *pm_cfg, int count)
3741{
3742
3743 u8 src_pci_func, s_esw_id, d_esw_id;
3744 u8 dest_pci_func;
3745 int i;
3746
3747 for (i = 0; i < count; i++) {
3748 src_pci_func = pm_cfg[i].pci_func;
3749 dest_pci_func = pm_cfg[i].dest_npar;
3750 if (src_pci_func >= QLCNIC_MAX_PCI_FUNC
3751 || dest_pci_func >= QLCNIC_MAX_PCI_FUNC)
3752 return QL_STATUS_INVALID_PARAM;
3753
3754 if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC)
3755 return QL_STATUS_INVALID_PARAM;
3756
3757 if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC)
3758 return QL_STATUS_INVALID_PARAM;
3759
346fe763
RB		 3760 s_esw_id = adapter->npars[src_pci_func].phy_port;
3761 d_esw_id = adapter->npars[dest_pci_func].phy_port;
3762
3763 if (s_esw_id != d_esw_id)
3764 return QL_STATUS_INVALID_PARAM;
3765
3766 }
3767 return 0;
3768
3769}
3770
3771static ssize_t
3772qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj,
3773 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3774{
3775 struct device *dev = container_of(kobj, struct device, kobj);
3776 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3777 struct qlcnic_pm_func_cfg *pm_cfg;
3778 u32 id, action, pci_func;
3779 int count, rem, i, ret;
3780
3781 count = size / sizeof(struct qlcnic_pm_func_cfg);
3782 rem = size % sizeof(struct qlcnic_pm_func_cfg);
3783 if (rem)
3784 return QL_STATUS_INVALID_PARAM;
3785
3786 pm_cfg = (struct qlcnic_pm_func_cfg *) buf;
3787
3788 ret = validate_pm_config(adapter, pm_cfg, count);
3789 if (ret)
3790 return ret;
3791 for (i = 0; i < count; i++) {
3792 pci_func = pm_cfg[i].pci_func;
4e8acb01 3793 action = !!pm_cfg[i].action;
346fe763
RB		 3794 id = adapter->npars[pci_func].phy_port;
3795 ret = qlcnic_config_port_mirroring(adapter, id,
3796 action, pci_func);
3797 if (ret)
3798 return ret;
3799 }
3800
3801 for (i = 0; i < count; i++) {
3802 pci_func = pm_cfg[i].pci_func;
3803 id = adapter->npars[pci_func].phy_port;
4e8acb01 3804 adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action;
346fe763
RB		 3805 adapter->npars[pci_func].dest_npar = id;
3806 }
3807 return size;
3808}
3809
3810static ssize_t
3811qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj,
3812 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3813{
3814 struct device *dev = container_of(kobj, struct device, kobj);
3815 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3816 struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC];
3817 int i;
3818
3819 if (size != sizeof(pm_cfg))
3820 return QL_STATUS_INVALID_PARAM;
3821
3822 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3823 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3824 continue;
3825 pm_cfg[i].action = adapter->npars[i].enable_pm;
3826 pm_cfg[i].dest_npar = 0;
3827 pm_cfg[i].pci_func = i;
3828 }
3829 memcpy(buf, &pm_cfg, size);
3830
3831 return size;
3832}
3833
cea8975e 3834static int
346fe763 3835validate_esw_config(struct qlcnic_adapter *adapter,
4e8acb01 3836 struct qlcnic_esw_func_cfg *esw_cfg, int count)
346fe763 3837{
7613c87b 3838 u32 op_mode;
346fe763
RB		 3839 u8 pci_func;
3840 int i;
7613c87b 3841
b1fc6d3c 3842 op_mode = readl(adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE);
7613c87b 3843
346fe763
RB		 3844 for (i = 0; i < count; i++) {
3845 pci_func = esw_cfg[i].pci_func;
3846 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3847 return QL_STATUS_INVALID_PARAM;
3848
4e8acb01
RB		 3849 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3850 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3851 return QL_STATUS_INVALID_PARAM;
346fe763 3852
4e8acb01
RB		 3853 switch (esw_cfg[i].op_mode) {
3854 case QLCNIC_PORT_DEFAULTS:
7613c87b 3855 if (QLC_DEV_GET_DRV(op_mode, pci_func) !=
7373373d 3856 QLCNIC_NON_PRIV_FUNC) {
091056b2
AKS		 3857 if (esw_cfg[i].mac_anti_spoof != 0)
3858 return QL_STATUS_INVALID_PARAM;
3859 if (esw_cfg[i].mac_override != 1)
3860 return QL_STATUS_INVALID_PARAM;
3861 if (esw_cfg[i].promisc_mode != 1)
3862 return QL_STATUS_INVALID_PARAM;
7373373d 3863 }
4e8acb01
RB		 3864 break;
3865 case QLCNIC_ADD_VLAN:
346fe763
RB		 3866 if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
3867 return QL_STATUS_INVALID_PARAM;
4e8acb01
RB		 3868 if (!esw_cfg[i].op_type)
3869 return QL_STATUS_INVALID_PARAM;
3870 break;
3871 case QLCNIC_DEL_VLAN:
4e8acb01
RB		 3872 if (!esw_cfg[i].op_type)
3873 return QL_STATUS_INVALID_PARAM;
3874 break;
3875 default:
346fe763 3876 return QL_STATUS_INVALID_PARAM;
4e8acb01 3877 }
346fe763 3878 }
346fe763
RB		 3879 return 0;
3880}
3881
3882static ssize_t
3883qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj,
3884 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3885{
3886 struct device *dev = container_of(kobj, struct device, kobj);
3887 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3888 struct qlcnic_esw_func_cfg *esw_cfg;
4e8acb01 3889 struct qlcnic_npar_info *npar;
346fe763 3890 int count, rem, i, ret;
0325d69b 3891 u8 pci_func, op_mode = 0;
346fe763
RB		 3892
3893 count = size / sizeof(struct qlcnic_esw_func_cfg);
3894 rem = size % sizeof(struct qlcnic_esw_func_cfg);
3895 if (rem)
3896 return QL_STATUS_INVALID_PARAM;
3897
3898 esw_cfg = (struct qlcnic_esw_func_cfg *) buf;
3899 ret = validate_esw_config(adapter, esw_cfg, count);
3900 if (ret)
3901 return ret;
3902
3903 for (i = 0; i < count; i++) {
0325d69b
RB		 3904 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3905 if (qlcnic_config_switch_port(adapter, &esw_cfg[i]))
3906 return QL_STATUS_INVALID_PARAM;
e9a47700 3907
b1fc6d3c 3908 if (adapter->ahw->pci_func != esw_cfg[i].pci_func)
e9a47700
RB		 3909 continue;
3910
3911 op_mode = esw_cfg[i].op_mode;
3912 qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]);
3913 esw_cfg[i].op_mode = op_mode;
b1fc6d3c 3914 esw_cfg[i].pci_func = adapter->ahw->pci_func;
e9a47700
RB		 3915
3916 switch (esw_cfg[i].op_mode) {
3917 case QLCNIC_PORT_DEFAULTS:
3918 qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
3919 break;
8cf61f89
AKS		 3920 case QLCNIC_ADD_VLAN:
3921 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3922 break;
3923 case QLCNIC_DEL_VLAN:
3924 esw_cfg[i].vlan_id = 0;
3925 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3926 break;
0325d69b 3927 }
346fe763
RB		 3928 }
3929
0325d69b
RB		 3930 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
3931 goto out;
e9a47700 3932
346fe763
RB		 3933 for (i = 0; i < count; i++) {
3934 pci_func = esw_cfg[i].pci_func;
4e8acb01
RB		 3935 npar = &adapter->npars[pci_func];
3936 switch (esw_cfg[i].op_mode) {
3937 case QLCNIC_PORT_DEFAULTS:
3938 npar->promisc_mode = esw_cfg[i].promisc_mode;
7373373d 3939 npar->mac_override = esw_cfg[i].mac_override;
4e8acb01
RB		 3940 npar->offload_flags = esw_cfg[i].offload_flags;
3941 npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof;
3942 npar->discard_tagged = esw_cfg[i].discard_tagged;
3943 break;
3944 case QLCNIC_ADD_VLAN:
3945 npar->pvid = esw_cfg[i].vlan_id;
3946 break;
3947 case QLCNIC_DEL_VLAN:
3948 npar->pvid = 0;
3949 break;
3950 }
346fe763 3951 }
0325d69b 3952out:
346fe763
RB		 3953 return size;
3954}
3955
3956static ssize_t
3957qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj,
3958 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3959{
3960 struct device *dev = container_of(kobj, struct device, kobj);
3961 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3962 struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC];
4e8acb01 3963 u8 i;
346fe763
RB		 3964
3965 if (size != sizeof(esw_cfg))
3966 return QL_STATUS_INVALID_PARAM;
3967
3968 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3969 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3970 continue;
4e8acb01
RB		 3971 esw_cfg[i].pci_func = i;
3972 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]))
3973 return QL_STATUS_INVALID_PARAM;
346fe763
RB		 3974 }
3975 memcpy(buf, &esw_cfg, size);
3976
3977 return size;
3978}
3979
cea8975e 3980static int
346fe763
RB		 3981validate_npar_config(struct qlcnic_adapter *adapter,
3982 struct qlcnic_npar_func_cfg *np_cfg, int count)
3983{
3984 u8 pci_func, i;
3985
3986 for (i = 0; i < count; i++) {
3987 pci_func = np_cfg[i].pci_func;
3988 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3989 return QL_STATUS_INVALID_PARAM;
3990
3991 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3992 return QL_STATUS_INVALID_PARAM;
3993
d12b0d9a
RB		 3994 if (!IS_VALID_BW(np_cfg[i].min_bw) ||
3995 !IS_VALID_BW(np_cfg[i].max_bw))
346fe763
RB		 3996 return QL_STATUS_INVALID_PARAM;
3997 }
3998 return 0;
3999}
4000
4001static ssize_t
4002qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj,
4003 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4004{
4005 struct device *dev = container_of(kobj, struct device, kobj);
4006 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4007 struct qlcnic_info nic_info;
4008 struct qlcnic_npar_func_cfg *np_cfg;
4009 int i, count, rem, ret;
4010 u8 pci_func;
4011
4012 count = size / sizeof(struct qlcnic_npar_func_cfg);
4013 rem = size % sizeof(struct qlcnic_npar_func_cfg);
4014 if (rem)
4015 return QL_STATUS_INVALID_PARAM;
4016
4017 np_cfg = (struct qlcnic_npar_func_cfg *) buf;
4018 ret = validate_npar_config(adapter, np_cfg, count);
4019 if (ret)
4020 return ret;
4021
4022 for (i = 0; i < count ; i++) {
4023 pci_func = np_cfg[i].pci_func;
4024 ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4025 if (ret)
4026 return ret;
4027 nic_info.pci_func = pci_func;
4028 nic_info.min_tx_bw = np_cfg[i].min_bw;
4029 nic_info.max_tx_bw = np_cfg[i].max_bw;
4030 ret = qlcnic_set_nic_info(adapter, &nic_info);
4031 if (ret)
4032 return ret;
cea8975e
AC		 4033 adapter->npars[i].min_bw = nic_info.min_tx_bw;
4034 adapter->npars[i].max_bw = nic_info.max_tx_bw;
346fe763
RB		 4035 }
4036
4037 return size;
4038
4039}
4040static ssize_t
4041qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
4042 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4043{
4044 struct device *dev = container_of(kobj, struct device, kobj);
4045 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4046 struct qlcnic_info nic_info;
4047 struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC];
4048 int i, ret;
4049
4050 if (size != sizeof(np_cfg))
4051 return QL_STATUS_INVALID_PARAM;
4052
4053 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
4054 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
4055 continue;
4056 ret = qlcnic_get_nic_info(adapter, &nic_info, i);
4057 if (ret)
4058 return ret;
4059
4060 np_cfg[i].pci_func = i;
a1c0c459 4061 np_cfg[i].op_mode = (u8)nic_info.op_mode;
346fe763
RB		 4062 np_cfg[i].port_num = nic_info.phys_port;
4063 np_cfg[i].fw_capab = nic_info.capabilities;
4064 np_cfg[i].min_bw = nic_info.min_tx_bw ;
4065 np_cfg[i].max_bw = nic_info.max_tx_bw;
4066 np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
4067 np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
4068 }
4069 memcpy(buf, &np_cfg, size);
4070 return size;
4071}
4072
b6021212
AKS		 4073static ssize_t
4074qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj,
4075 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4076{
4077 struct device *dev = container_of(kobj, struct device, kobj);
4078 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4079 struct qlcnic_esw_statistics port_stats;
4080 int ret;
4081
4082 if (size != sizeof(struct qlcnic_esw_statistics))
4083 return QL_STATUS_INVALID_PARAM;
4084
4085 if (offset >= QLCNIC_MAX_PCI_FUNC)
4086 return QL_STATUS_INVALID_PARAM;
4087
4088 memset(&port_stats, 0, size);
4089 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
4090 &port_stats.rx);
4091 if (ret)
4092 return ret;
4093
4094 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
4095 &port_stats.tx);
4096 if (ret)
4097 return ret;
4098
4099 memcpy(buf, &port_stats, size);
4100 return size;
4101}
4102
4103static ssize_t
4104qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj,
4105 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4106{
4107 struct device *dev = container_of(kobj, struct device, kobj);
4108 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4109 struct qlcnic_esw_statistics esw_stats;
4110 int ret;
4111
4112 if (size != sizeof(struct qlcnic_esw_statistics))
4113 return QL_STATUS_INVALID_PARAM;
4114
4115 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
4116 return QL_STATUS_INVALID_PARAM;
4117
4118 memset(&esw_stats, 0, size);
4119 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
4120 &esw_stats.rx);
4121 if (ret)
4122 return ret;
4123
4124 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
4125 &esw_stats.tx);
4126 if (ret)
4127 return ret;
4128
4129 memcpy(buf, &esw_stats, size);
4130 return size;
4131}
4132
4133static ssize_t
4134qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj,
4135 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4136{
4137 struct device *dev = container_of(kobj, struct device, kobj);
4138 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4139 int ret;
4140
4141 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
4142 return QL_STATUS_INVALID_PARAM;
4143
4144 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
4145 QLCNIC_QUERY_RX_COUNTER);
4146 if (ret)
4147 return ret;
4148
4149 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
4150 QLCNIC_QUERY_TX_COUNTER);
4151 if (ret)
4152 return ret;
4153
4154 return size;
4155}
4156
4157static ssize_t
4158qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj,
4159 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4160{
4161
4162 struct device *dev = container_of(kobj, struct device, kobj);
4163 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4164 int ret;
4165
4166 if (offset >= QLCNIC_MAX_PCI_FUNC)
4167 return QL_STATUS_INVALID_PARAM;
4168
4169 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
4170 QLCNIC_QUERY_RX_COUNTER);
4171 if (ret)
4172 return ret;
4173
4174 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
4175 QLCNIC_QUERY_TX_COUNTER);
4176 if (ret)
4177 return ret;
4178
4179 return size;
4180}
4181
346fe763
RB		 4182static ssize_t
4183qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
4184 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4185{
4186 struct device *dev = container_of(kobj, struct device, kobj);
4187 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4188 struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC];
e88db3bd 4189 struct qlcnic_pci_info *pci_info;
346fe763
RB		 4190 int i, ret;
4191
4192 if (size != sizeof(pci_cfg))
4193 return QL_STATUS_INVALID_PARAM;
4194
e88db3bd
DC		 4195 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
4196 if (!pci_info)
4197 return -ENOMEM;
4198
346fe763 4199 ret = qlcnic_get_pci_info(adapter, pci_info);
e88db3bd
DC		 4200 if (ret) {
4201 kfree(pci_info);
346fe763 4202 return ret;
e88db3bd 4203 }
346fe763
RB		 4204
4205 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
4206 pci_cfg[i].pci_func = pci_info[i].id;
4207 pci_cfg[i].func_type = pci_info[i].type;
4208 pci_cfg[i].port_num = pci_info[i].default_port;
4209 pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
4210 pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
4211 memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
4212 }
4213 memcpy(buf, &pci_cfg, size);
e88db3bd 4214 kfree(pci_info);
346fe763 4215 return size;
346fe763
RB		 4216}
4217static struct bin_attribute bin_attr_npar_config = {
4218 .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)},
4219 .size = 0,
4220 .read = qlcnic_sysfs_read_npar_config,
4221 .write = qlcnic_sysfs_write_npar_config,
4222};
4223
4224static struct bin_attribute bin_attr_pci_config = {
4225 .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)},
4226 .size = 0,
4227 .read = qlcnic_sysfs_read_pci_config,
4228 .write = NULL,
4229};
4230
b6021212
AKS		 4231static struct bin_attribute bin_attr_port_stats = {
4232 .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)},
4233 .size = 0,
4234 .read = qlcnic_sysfs_get_port_stats,
4235 .write = qlcnic_sysfs_clear_port_stats,
4236};
4237
4238static struct bin_attribute bin_attr_esw_stats = {
4239 .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)},
4240 .size = 0,
4241 .read = qlcnic_sysfs_get_esw_stats,
4242 .write = qlcnic_sysfs_clear_esw_stats,
4243};
4244
346fe763
RB		 4245static struct bin_attribute bin_attr_esw_config = {
4246 .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)},
4247 .size = 0,
4248 .read = qlcnic_sysfs_read_esw_config,
4249 .write = qlcnic_sysfs_write_esw_config,
4250};
4251
4252static struct bin_attribute bin_attr_pm_config = {
4253 .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)},
4254 .size = 0,
4255 .read = qlcnic_sysfs_read_pm_config,
4256 .write = qlcnic_sysfs_write_pm_config,
4257};
4258
af19b491
AKS		 4259static void
4260qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
4261{
4262 struct device *dev = &adapter->pdev->dev;
4263
4264 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4265 if (device_create_file(dev, &dev_attr_bridged_mode))
4266 dev_warn(dev,
4267 "failed to create bridged_mode sysfs entry\n");
4268}
4269
4270static void
4271qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
4272{
4273 struct device *dev = &adapter->pdev->dev;
4274
4275 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4276 device_remove_file(dev, &dev_attr_bridged_mode);
4277}
4278
4279static void
4280qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
4281{
4282 struct device *dev = &adapter->pdev->dev;
4283
b6021212
AKS		 4284 if (device_create_bin_file(dev, &bin_attr_port_stats))
4285 dev_info(dev, "failed to create port stats sysfs entry");
4286
132ff00a
AC		 4287 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4288 return;
af19b491
AKS		 4289 if (device_create_file(dev, &dev_attr_diag_mode))
4290 dev_info(dev, "failed to create diag_mode sysfs entry\n");
728a98b8
SC		 4291 if (device_create_file(dev, &dev_attr_beacon))
4292 dev_info(dev, "failed to create beacon sysfs entry");
af19b491
AKS		 4293 if (device_create_bin_file(dev, &bin_attr_crb))
4294 dev_info(dev, "failed to create crb sysfs entry\n");
4295 if (device_create_bin_file(dev, &bin_attr_mem))
4296 dev_info(dev, "failed to create mem sysfs entry\n");
53478fef
SC		 4297 if (device_create_bin_file(dev, &bin_attr_pci_config))
4298 dev_info(dev, "failed to create pci config sysfs entry");
4e8acb01
RB		 4299 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4300 return;
4301 if (device_create_bin_file(dev, &bin_attr_esw_config))
4302 dev_info(dev, "failed to create esw config sysfs entry");
4303 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
346fe763 4304 return;
346fe763
RB		 4305 if (device_create_bin_file(dev, &bin_attr_npar_config))
4306 dev_info(dev, "failed to create npar config sysfs entry");
346fe763
RB		 4307 if (device_create_bin_file(dev, &bin_attr_pm_config))
4308 dev_info(dev, "failed to create pm config sysfs entry");
b6021212
AKS		 4309 if (device_create_bin_file(dev, &bin_attr_esw_stats))
4310 dev_info(dev, "failed to create eswitch stats sysfs entry");
af19b491
AKS		 4311}
4312
af19b491
AKS		 4313static void
4314qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
4315{
4316 struct device *dev = &adapter->pdev->dev;
4317
b6021212
AKS		 4318 device_remove_bin_file(dev, &bin_attr_port_stats);
4319
132ff00a
AC		 4320 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4321 return;
af19b491 4322 device_remove_file(dev, &dev_attr_diag_mode);
728a98b8 4323 device_remove_file(dev, &dev_attr_beacon);
af19b491
AKS		 4324 device_remove_bin_file(dev, &bin_attr_crb);
4325 device_remove_bin_file(dev, &bin_attr_mem);
53478fef 4326 device_remove_bin_file(dev, &bin_attr_pci_config);
4e8acb01
RB		 4327 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4328 return;
4329 device_remove_bin_file(dev, &bin_attr_esw_config);
4330 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
346fe763 4331 return;
346fe763 4332 device_remove_bin_file(dev, &bin_attr_npar_config);
346fe763 4333 device_remove_bin_file(dev, &bin_attr_pm_config);
b6021212 4334 device_remove_bin_file(dev, &bin_attr_esw_stats);
af19b491
AKS		 4335}
4336
4337#ifdef CONFIG_INET
4338
4339#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4340
af19b491 4341static void
aec1e845
AKS		 4342qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4343 struct net_device *dev, unsigned long event)
af19b491
AKS		 4344{
4345 struct in_device *indev;
af19b491 4346
af19b491
AKS		 4347 indev = in_dev_get(dev);
4348 if (!indev)
4349 return;
4350
4351 for_ifa(indev) {
4352 switch (event) {
4353 case NETDEV_UP:
4354 qlcnic_config_ipaddr(adapter,
4355 ifa->ifa_address, QLCNIC_IP_UP);
4356 break;
4357 case NETDEV_DOWN:
4358 qlcnic_config_ipaddr(adapter,
4359 ifa->ifa_address, QLCNIC_IP_DOWN);
4360 break;
4361 default:
4362 break;
4363 }
4364 } endfor_ifa(indev);
4365
4366 in_dev_put(indev);
af19b491
AKS		 4367}
4368
aec1e845
AKS		 4369static void
4370qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4371{
4372 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4373 struct net_device *dev;
4374 u16 vid;
4375
4376 qlcnic_config_indev_addr(adapter, netdev, event);
4377
b9796a14 4378 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 4379 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 4380 if (!dev)
4381 continue;
aec1e845
AKS		 4382 qlcnic_config_indev_addr(adapter, dev, event);
4383 }
4384}
4385
af19b491
AKS		 4386static int qlcnic_netdev_event(struct notifier_block *this,
4387 unsigned long event, void *ptr)
4388{
4389 struct qlcnic_adapter *adapter;
4390 struct net_device *dev = (struct net_device *)ptr;
4391
4392recheck:
4393 if (dev == NULL)
4394 goto done;
4395
4396 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4397 dev = vlan_dev_real_dev(dev);
4398 goto recheck;
4399 }
4400
4401 if (!is_qlcnic_netdev(dev))
4402 goto done;
4403
4404 adapter = netdev_priv(dev);
4405
4406 if (!adapter)
4407 goto done;
4408
8a15ad1f 4409 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4410 goto done;
4411
aec1e845 4412 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4413done:
4414 return NOTIFY_DONE;
4415}
4416
4417static int
4418qlcnic_inetaddr_event(struct notifier_block *this,
4419 unsigned long event, void *ptr)
4420{
4421 struct qlcnic_adapter *adapter;
4422 struct net_device *dev;
4423
4424 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4425
4426 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4427
4428recheck:
aec1e845 4429 if (dev == NULL)
af19b491
AKS		 4430 goto done;
4431
4432 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4433 dev = vlan_dev_real_dev(dev);
4434 goto recheck;
4435 }
4436
4437 if (!is_qlcnic_netdev(dev))
4438 goto done;
4439
4440 adapter = netdev_priv(dev);
4441
251a84c9 4442 if (!adapter)
af19b491
AKS		 4443 goto done;
4444
8a15ad1f 4445 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4446 goto done;
4447
4448 switch (event) {
4449 case NETDEV_UP:
4450 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4451 break;
4452 case NETDEV_DOWN:
4453 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4454 break;
4455 default:
4456 break;
4457 }
4458
4459done:
4460 return NOTIFY_DONE;
4461}
4462
4463static struct notifier_block qlcnic_netdev_cb = {
4464 .notifier_call = qlcnic_netdev_event,
4465};
4466
4467static struct notifier_block qlcnic_inetaddr_cb = {
4468 .notifier_call = qlcnic_inetaddr_event,
4469};
4470#else
4471static void
aec1e845 4472qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4473{ }
4474#endif
451724c8
SC		 4475static struct pci_error_handlers qlcnic_err_handler = {
4476 .error_detected = qlcnic_io_error_detected,
4477 .slot_reset = qlcnic_io_slot_reset,
4478 .resume = qlcnic_io_resume,
4479};
af19b491
AKS		 4480
4481static struct pci_driver qlcnic_driver = {
4482 .name = qlcnic_driver_name,
4483 .id_table = qlcnic_pci_tbl,
4484 .probe = qlcnic_probe,
4485 .remove = __devexit_p(qlcnic_remove),
4486#ifdef CONFIG_PM
4487 .suspend = qlcnic_suspend,
4488 .resume = qlcnic_resume,
4489#endif
451724c8
SC		 4490 .shutdown = qlcnic_shutdown,
4491 .err_handler = &qlcnic_err_handler
4492
af19b491
AKS		 4493};
4494
4495static int __init qlcnic_init_module(void)
4496{
0cf3a14c 4497 int ret;
af19b491
AKS		 4498
4499 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4500
f7ec804a
AKS		 4501 qlcnic_wq = create_singlethread_workqueue("qlcnic");
4502 if (qlcnic_wq == NULL) {
4503 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
4504 return -ENOMEM;
4505 }
4506
af19b491
AKS		 4507#ifdef CONFIG_INET
4508 register_netdevice_notifier(&qlcnic_netdev_cb);
4509 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4510#endif
4511
0cf3a14c
AKS		 4512 ret = pci_register_driver(&qlcnic_driver);
4513 if (ret) {
4514#ifdef CONFIG_INET
4515 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4516 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4517#endif
f7ec804a 4518 destroy_workqueue(qlcnic_wq);
0cf3a14c 4519 }
af19b491 4520
0cf3a14c 4521 return ret;
af19b491
AKS		 4522}
4523
4524module_init(qlcnic_init_module);
4525
4526static void __exit qlcnic_exit_module(void)
4527{
4528
4529 pci_unregister_driver(&qlcnic_driver);
4530
4531#ifdef CONFIG_INET
4532 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4533 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4534#endif
f7ec804a 4535 destroy_workqueue(qlcnic_wq);
af19b491
AKS		 4536}
4537
4538module_exit(qlcnic_exit_module);
Linux 6.x block layer and io_uring tree(s)