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qlcnic: move HW specific data to seperate structure
[mirror_ubuntu-artful-kernel.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
6bb58bb0 57static int qlcnic_probe(struct pci_dev *pdev,
af19b491 58 const struct pci_device_id *ent);
6bb58bb0 59static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 60static int qlcnic_open(struct net_device *netdev);
61static int qlcnic_close(struct net_device *netdev);
af19b491 62static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 63static void qlcnic_attach_work(struct work_struct *work);
64static void qlcnic_fwinit_work(struct work_struct *work);
65static void qlcnic_fw_poll_work(struct work_struct *work);
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);
af19b491
AKS		 69#ifdef CONFIG_NET_POLL_CONTROLLER
70static void qlcnic_poll_controller(struct net_device *netdev);
71#endif
72
6df900e9 73static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 74static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 75static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
76
7eb9855d 77static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 78static irqreturn_t qlcnic_intr(int irq, void *data);
79static irqreturn_t qlcnic_msi_intr(int irq, void *data);
80static irqreturn_t qlcnic_msix_intr(int irq, void *data);
81
82static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
aec1e845 83static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
9f26f547
AC		 84static int qlcnic_start_firmware(struct qlcnic_adapter *);
85
b5e5492c 86static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 87static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 88static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 89static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
90 struct qlcnic_esw_func_cfg *);
8e586137
JP		 91static int qlcnic_vlan_rx_add(struct net_device *, u16);
92static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 93
af19b491
AKS		 94/* PCI Device ID Table */
95#define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
98
99#define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
100
6a902881 101static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491
AKS		 102 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
103 {0,}
104};
105
106MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
107
108
5ad6ff9d 109inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 110{
111 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 112}
113
114static const u32 msi_tgt_status[8] = {
115 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
116 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
117 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
118 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
119};
120
121static const
122struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
123
c70001a9 124int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 125{
126 int size = sizeof(struct qlcnic_host_sds_ring) * count;
127
128 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
129
807540ba 130 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 131}
132
c70001a9 133void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 134{
135 if (recv_ctx->sds_rings != NULL)
136 kfree(recv_ctx->sds_rings);
137
138 recv_ctx->sds_rings = NULL;
139}
140
af19b491
AKS		 141static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
142{
143 memset(&adapter->stats, 0, sizeof(adapter->stats));
af19b491
AKS		 144}
145
af19b491
AKS		 146static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
147{
148 u32 control;
149 int pos;
150
151 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
152 if (pos) {
153 pci_read_config_dword(pdev, pos, &control);
154 if (enable)
155 control |= PCI_MSIX_FLAGS_ENABLE;
156 else
157 control = 0;
158 pci_write_config_dword(pdev, pos, control);
159 }
160}
161
162static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
163{
164 int i;
165
166 for (i = 0; i < count; i++)
167 adapter->msix_entries[i].entry = i;
168}
169
170static int
171qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
172{
2e9d722d 173 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 174 struct net_device *netdev = adapter->netdev;
175 struct pci_dev *pdev = adapter->pdev;
176
da48e6c3 177 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 178 return -EIO;
179
2e9d722d 180 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 181 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
182 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
183
184 /* set station address */
185
186 if (!is_valid_ether_addr(netdev->perm_addr))
187 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
188 netdev->dev_addr);
189
190 return 0;
191}
192
193static int qlcnic_set_mac(struct net_device *netdev, void *p)
194{
195 struct qlcnic_adapter *adapter = netdev_priv(netdev);
196 struct sockaddr *addr = p;
197
7373373d
RB		 198 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
199 return -EOPNOTSUPP;
200
af19b491 201 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a 202 return -EADDRNOTAVAIL;
af19b491 203
8a15ad1f 204 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 205 netif_device_detach(netdev);
206 qlcnic_napi_disable(adapter);
207 }
208
209 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
210 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
211 qlcnic_set_multi(adapter->netdev);
212
8a15ad1f 213 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 214 netif_device_attach(netdev);
215 qlcnic_napi_enable(adapter);
216 }
217 return 0;
218}
219
220static const struct net_device_ops qlcnic_netdev_ops = {
221 .ndo_open = qlcnic_open,
222 .ndo_stop = qlcnic_close,
223 .ndo_start_xmit = qlcnic_xmit_frame,
224 .ndo_get_stats = qlcnic_get_stats,
225 .ndo_validate_addr = eth_validate_addr,
afc4b13d 226 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 227 .ndo_set_mac_address = qlcnic_set_mac,
228 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 229 .ndo_fix_features = qlcnic_fix_features,
230 .ndo_set_features = qlcnic_set_features,
af19b491 231 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 232 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
233 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
af19b491
AKS		 234#ifdef CONFIG_NET_POLL_CONTROLLER
235 .ndo_poll_controller = qlcnic_poll_controller,
236#endif
237};
238
b43e5ee7
SC		 239static const struct net_device_ops qlcnic_netdev_failed_ops = {
240 .ndo_open = qlcnic_open,
241};
242
2e9d722d 243static struct qlcnic_nic_template qlcnic_ops = {
2e9d722d
AC		 244 .config_bridged_mode = qlcnic_config_bridged_mode,
245 .config_led = qlcnic_config_led,
9f26f547
AC		 246 .start_firmware = qlcnic_start_firmware
247};
248
249static struct qlcnic_nic_template qlcnic_vf_ops = {
9f26f547
AC		 250 .config_bridged_mode = qlcnicvf_config_bridged_mode,
251 .config_led = qlcnicvf_config_led,
9f26f547 252 .start_firmware = qlcnicvf_start_firmware
2e9d722d
AC		 253};
254
f94bc1e7 255static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 256{
af19b491 257 struct pci_dev *pdev = adapter->pdev;
f94bc1e7 258 int err = -1;
af19b491
AKS		 259
260 adapter->max_sds_rings = 1;
af19b491 261 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491
AKS		 262 qlcnic_set_msix_bit(pdev, 0);
263
79788450 264 if (adapter->ahw->msix_supported) {
f94bc1e7 265 enable_msix:
af19b491
AKS		 266 qlcnic_init_msix_entries(adapter, num_msix);
267 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
268 if (err == 0) {
269 adapter->flags |= QLCNIC_MSIX_ENABLED;
270 qlcnic_set_msix_bit(pdev, 1);
271
b1fc6d3c 272 adapter->max_sds_rings = num_msix;
af19b491
AKS		 273
274 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 275 return err;
af19b491 276 }
f94bc1e7
SC		 277 if (err > 0) {
278 num_msix = rounddown_pow_of_two(err);
279 if (num_msix)
280 goto enable_msix;
281 }
282 }
283 return err;
284}
af19b491 285
af19b491 286
f94bc1e7
SC		 287static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
288{
289 const struct qlcnic_legacy_intr_set *legacy_intrp;
290 struct pci_dev *pdev = adapter->pdev;
af19b491
AKS		 291
292 if (use_msi && !pci_enable_msi(pdev)) {
293 adapter->flags |= QLCNIC_MSI_ENABLED;
294 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
b1fc6d3c 295 msi_tgt_status[adapter->ahw->pci_func]);
af19b491
AKS		 296 dev_info(&pdev->dev, "using msi interrupts\n");
297 adapter->msix_entries[0].vector = pdev->irq;
298 return;
299 }
300
f94bc1e7
SC		 301 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
302
79788450 303 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
f94bc1e7
SC		 304 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
305 legacy_intrp->tgt_status_reg);
306 adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter,
307 legacy_intrp->tgt_mask_reg);
308 adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR);
309
310 adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter,
311 ISR_INT_STATE_REG);
af19b491
AKS		 312 dev_info(&pdev->dev, "using legacy interrupts\n");
313 adapter->msix_entries[0].vector = pdev->irq;
314}
315
f94bc1e7
SC		 316static void
317qlcnic_setup_intr(struct qlcnic_adapter *adapter)
318{
319 int num_msix;
320
79788450 321 if (adapter->ahw->msix_supported) {
5f6ec29a
SC		 322 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
323 QLCNIC_DEF_NUM_STS_DESC_RINGS));
f94bc1e7
SC		 324 } else
325 num_msix = 1;
326
327 if (!qlcnic_enable_msix(adapter, num_msix))
328 return;
329
330 qlcnic_enable_msi_legacy(adapter);
331}
332
af19b491
AKS		 333static void
334qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
335{
336 if (adapter->flags & QLCNIC_MSIX_ENABLED)
337 pci_disable_msix(adapter->pdev);
338 if (adapter->flags & QLCNIC_MSI_ENABLED)
339 pci_disable_msi(adapter->pdev);
340}
341
342static void
343qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
344{
b1fc6d3c
AC		 345 if (adapter->ahw->pci_base0 != NULL)
346 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 347}
348
346fe763
RB		 349static int
350qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
351{
e88db3bd 352 struct qlcnic_pci_info *pci_info;
900853a4 353 int i, ret = 0;
346fe763
RB		 354 u8 pfn;
355
e88db3bd
DC		 356 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
357 if (!pci_info)
358 return -ENOMEM;
359
ca315ac2 360 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
346fe763 361 QLCNIC_MAX_PCI_FUNC, GFP_KERNEL);
e88db3bd 362 if (!adapter->npars) {
900853a4 363 ret = -ENOMEM;
e88db3bd
DC		 364 goto err_pci_info;
365 }
346fe763 366
ca315ac2 367 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 368 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
369 if (!adapter->eswitch) {
900853a4 370 ret = -ENOMEM;
ca315ac2 371 goto err_npars;
346fe763
RB		 372 }
373
374 ret = qlcnic_get_pci_info(adapter, pci_info);
ca315ac2
DC		 375 if (ret)
376 goto err_eswitch;
346fe763 377
ca315ac2
DC		 378 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
379 pfn = pci_info[i].id;
0f6efff9 380 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 381 ret = QL_STATUS_INVALID_PARAM;
382 goto err_eswitch;
383 }
a1c0c459
SC		 384 adapter->npars[pfn].active = (u8)pci_info[i].active;
385 adapter->npars[pfn].type = (u8)pci_info[i].type;
386 adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port;
ca315ac2
DC		 387 adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw;
388 adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw;
346fe763
RB		 389 }
390
ca315ac2
DC		 391 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
392 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
393
e88db3bd 394 kfree(pci_info);
ca315ac2
DC		 395 return 0;
396
397err_eswitch:
346fe763
RB		 398 kfree(adapter->eswitch);
399 adapter->eswitch = NULL;
ca315ac2 400err_npars:
346fe763 401 kfree(adapter->npars);
ca315ac2 402 adapter->npars = NULL;
e88db3bd
DC		 403err_pci_info:
404 kfree(pci_info);
346fe763
RB		 405
406 return ret;
407}
408
2e9d722d
AC		 409static int
410qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
411{
412 u8 id;
413 u32 ref_count;
414 int i, ret = 1;
415 u32 data = QLCNIC_MGMT_FUNC;
b1fc6d3c 416 void __iomem *priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
2e9d722d
AC		 417
418 /* If other drivers are not in use set their privilege level */
31018e06 419 ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2e9d722d
AC		 420 ret = qlcnic_api_lock(adapter);
421 if (ret)
422 goto err_lock;
2e9d722d 423
0e33c664
AC		 424 if (qlcnic_config_npars) {
425 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
346fe763 426 id = i;
0e33c664 427 if (adapter->npars[i].type != QLCNIC_TYPE_NIC ||
b1fc6d3c 428 id == adapter->ahw->pci_func)
0e33c664
AC		 429 continue;
430 data |= (qlcnic_config_npars &
431 QLC_DEV_SET_DRV(0xf, id));
432 }
433 } else {
434 data = readl(priv_op);
b1fc6d3c 435 data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw->pci_func)) |
0e33c664 436 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
b1fc6d3c 437 adapter->ahw->pci_func));
2e9d722d
AC		 438 }
439 writel(data, priv_op);
2e9d722d
AC		 440 qlcnic_api_unlock(adapter);
441err_lock:
442 return ret;
443}
444
0866d96d
AC		 445static void
446qlcnic_check_vf(struct qlcnic_adapter *adapter)
2e9d722d
AC		 447{
448 void __iomem *msix_base_addr;
449 void __iomem *priv_op;
450 u32 func;
451 u32 msix_base;
452 u32 op_mode, priv_level;
453
454 /* Determine FW API version */
79788450
SC		 455 adapter->ahw->fw_hal_version = readl(adapter->ahw->pci_base0 +
456 QLCNIC_FW_API);
2e9d722d
AC		 457
458 /* Find PCI function number */
459 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
b1fc6d3c 460 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
2e9d722d
AC		 461 msix_base = readl(msix_base_addr);
462 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
b1fc6d3c 463 adapter->ahw->pci_func = func;
2e9d722d
AC		 464
465 /* Determine function privilege level */
b1fc6d3c 466 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
2e9d722d 467 op_mode = readl(priv_op);
0e33c664 468 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 469 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 470 else
b1fc6d3c 471 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 472
0866d96d 473 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 474 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 475 dev_info(&adapter->pdev->dev,
476 "HAL Version: %d Non Privileged function\n",
79788450 477 adapter->ahw->fw_hal_version);
9f26f547 478 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 479 } else
480 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 481}
482
af19b491
AKS		 483static int
484qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
485{
486 void __iomem *mem_ptr0 = NULL;
487 resource_size_t mem_base;
488 unsigned long mem_len, pci_len0 = 0;
489
490 struct pci_dev *pdev = adapter->pdev;
af19b491 491
af19b491
AKS		 492 /* remap phys address */
493 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
494 mem_len = pci_resource_len(pdev, 0);
495
496 if (mem_len == QLCNIC_PCI_2MB_SIZE) {
497
498 mem_ptr0 = pci_ioremap_bar(pdev, 0);
499 if (mem_ptr0 == NULL) {
500 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
501 return -EIO;
502 }
503 pci_len0 = mem_len;
504 } else {
505 return -EIO;
506 }
507
508 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
509
b1fc6d3c
AC		 510 adapter->ahw->pci_base0 = mem_ptr0;
511 adapter->ahw->pci_len0 = pci_len0;
af19b491 512
0866d96d 513 qlcnic_check_vf(adapter);
2e9d722d 514
b1fc6d3c
AC		 515 adapter->ahw->ocm_win_crb = qlcnic_get_ioaddr(adapter,
516 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(
517 adapter->ahw->pci_func)));
af19b491
AKS		 518
519 return 0;
520}
521
522static void get_brd_name(struct qlcnic_adapter *adapter, char *name)
523{
524 struct pci_dev *pdev = adapter->pdev;
525 int i, found = 0;
526
527 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
528 if (qlcnic_boards[i].vendor == pdev->vendor &&
529 qlcnic_boards[i].device == pdev->device &&
530 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
531 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 532 sprintf(name, "%pM: %s" ,
533 adapter->mac_addr,
534 qlcnic_boards[i].short_name);
af19b491
AKS		 535 found = 1;
536 break;
537 }
538
539 }
540
541 if (!found)
7f9a0c34 542 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 543}
544
545static void
546qlcnic_check_options(struct qlcnic_adapter *adapter)
547{
031a4a26 548 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 549 struct pci_dev *pdev = adapter->pdev;
031a4a26
SV		 550 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
551
552 prev_fw_version = adapter->fw_version;
af19b491
AKS		 553
554 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
555 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
556 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
557
558 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
559
79788450 560 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 561 if (fw_dump->tmpl_hdr == NULL ||
562 adapter->fw_version > prev_fw_version) {
563 if (fw_dump->tmpl_hdr)
564 vfree(fw_dump->tmpl_hdr);
565 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
566 dev_info(&pdev->dev,
567 "Supports FW dump capability\n");
568 }
569 }
570
251a84c9
AKS		 571 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
572 fw_major, fw_minor, fw_build);
b1fc6d3c 573 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 574 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
575 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
576 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
577 } else {
578 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
579 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
580 }
581
af19b491 582 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 583 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
584
b1fc6d3c 585 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 586 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
587 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 588 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
589 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 590 }
591
79788450 592 adapter->ahw->msix_supported = !!use_msi_x;
af19b491
AKS		 593
594 adapter->num_txd = MAX_CMD_DESCRIPTORS;
595
251b036a 596 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 597}
598
174240a8
RB		 599static int
600qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
601{
602 int err;
603 struct qlcnic_info nic_info;
604
b1fc6d3c 605 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 606 if (err)
607 return err;
608
79788450
SC		 609 adapter->ahw->physical_port = (u8)nic_info.phys_port;
610 adapter->ahw->switch_mode = nic_info.switch_mode;
611 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
612 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
613 adapter->ahw->capabilities = nic_info.capabilities;
614 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
615 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 616
79788450 617 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 618 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
619 else
620 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
621
622 return err;
623}
624
ec079a07
SC		 625void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
626 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 627{
628 if (esw_cfg->discard_tagged)
629 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
630 else
631 adapter->flags |= QLCNIC_TAGGING_ENABLED;
632
633 if (esw_cfg->vlan_id)
634 adapter->pvid = esw_cfg->vlan_id;
635 else
636 adapter->pvid = 0;
637}
638
8e586137 639static int
b9796a14
AC		 640qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
641{
642 struct qlcnic_adapter *adapter = netdev_priv(netdev);
643 set_bit(vid, adapter->vlans);
8e586137 644 return 0;
b9796a14
AC		 645}
646
8e586137 647static int
b9796a14
AC		 648qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
649{
650 struct qlcnic_adapter *adapter = netdev_priv(netdev);
651
652 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
653 clear_bit(vid, adapter->vlans);
8e586137 654 return 0;
b9796a14
AC		 655}
656
ec079a07
SC		 657void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
658 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 659{
ee07c1a7
RB		 660 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
661 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 662
663 if (esw_cfg->mac_anti_spoof)
664 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 665
7373373d
RB		 666 if (!esw_cfg->mac_override)
667 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
668
ee07c1a7
RB		 669 if (!esw_cfg->promisc_mode)
670 adapter->flags |= QLCNIC_PROMISC_DISABLED;
671
0325d69b
RB		 672 qlcnic_set_netdev_features(adapter, esw_cfg);
673}
674
ec079a07 675static int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 676{
677 struct qlcnic_esw_func_cfg esw_cfg;
678
679 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
680 return 0;
681
b1fc6d3c 682 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 683 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
684 return -EIO;
8cf61f89 685 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 686 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
687
688 return 0;
689}
690
691static void
692qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
693 struct qlcnic_esw_func_cfg *esw_cfg)
694{
695 struct net_device *netdev = adapter->netdev;
c8f44aff 696 netdev_features_t features, vlan_features;
0325d69b 697
135d84a9 698 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
0325d69b
RB		 699 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
700 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
b9796a14 701 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
0325d69b 702
79788450 703 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
0325d69b
RB		 704 features |= (NETIF_F_TSO | NETIF_F_TSO6);
705 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
706 }
b56421d0
RB		 707
708 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 709 features |= NETIF_F_LRO;
710
711 if (esw_cfg->offload_flags & BIT_0) {
712 netdev->features |= features;
0325d69b
RB		 713 if (!(esw_cfg->offload_flags & BIT_1))
714 netdev->features &= ~NETIF_F_TSO;
715 if (!(esw_cfg->offload_flags & BIT_2))
716 netdev->features &= ~NETIF_F_TSO6;
717 } else {
718 netdev->features &= ~features;
0325d69b
RB		 719 }
720
721 netdev->vlan_features = (features & vlan_features);
722}
723
0866d96d
AC		 724static int
725qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
726{
727 void __iomem *priv_op;
728 u32 op_mode, priv_level;
729 int err = 0;
730
174240a8
RB		 731 err = qlcnic_initialize_nic(adapter);
732 if (err)
733 return err;
734
0866d96d
AC		 735 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
736 return 0;
737
b1fc6d3c 738 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
0866d96d 739 op_mode = readl(priv_op);
b1fc6d3c 740 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 741
742 if (op_mode == QLC_DEV_DRV_DEFAULT)
743 priv_level = QLCNIC_MGMT_FUNC;
744 else
b1fc6d3c 745 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 746
174240a8 747 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 748 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 749 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 750 err = qlcnic_init_pci_info(adapter);
751 if (err)
752 return err;
753 /* Set privilege level for other functions */
754 qlcnic_set_function_modes(adapter);
755 dev_info(&adapter->pdev->dev,
756 "HAL Version: %d, Management function\n",
79788450 757 adapter->ahw->fw_hal_version);
0866d96d 758 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 759 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 760 dev_info(&adapter->pdev->dev,
761 "HAL Version: %d, Privileged function\n",
79788450 762 adapter->ahw->fw_hal_version);
0866d96d 763 }
174240a8 764 }
0866d96d
AC		 765
766 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
767
768 return err;
769}
770
0325d69b
RB		 771static int
772qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
773{
774 struct qlcnic_esw_func_cfg esw_cfg;
775 struct qlcnic_npar_info *npar;
776 u8 i;
777
174240a8 778 if (adapter->need_fw_reset)
0325d69b
RB		 779 return 0;
780
781 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
782 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
783 continue;
784 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
785 esw_cfg.pci_func = i;
786 esw_cfg.offload_flags = BIT_0;
7373373d 787 esw_cfg.mac_override = BIT_0;
ee07c1a7 788 esw_cfg.promisc_mode = BIT_0;
79788450 789 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
0325d69b
RB		 790 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
791 if (qlcnic_config_switch_port(adapter, &esw_cfg))
792 return -EIO;
793 npar = &adapter->npars[i];
794 npar->pvid = esw_cfg.vlan_id;
7373373d 795 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 796 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
797 npar->discard_tagged = esw_cfg.discard_tagged;
798 npar->promisc_mode = esw_cfg.promisc_mode;
799 npar->offload_flags = esw_cfg.offload_flags;
800 }
801
802 return 0;
803}
804
4e8acb01
RB		 805static int
806qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
807 struct qlcnic_npar_info *npar, int pci_func)
808{
809 struct qlcnic_esw_func_cfg esw_cfg;
810 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
811 esw_cfg.pci_func = pci_func;
812 esw_cfg.vlan_id = npar->pvid;
7373373d 813 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 814 esw_cfg.discard_tagged = npar->discard_tagged;
815 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
816 esw_cfg.offload_flags = npar->offload_flags;
817 esw_cfg.promisc_mode = npar->promisc_mode;
818 if (qlcnic_config_switch_port(adapter, &esw_cfg))
819 return -EIO;
820
821 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
822 if (qlcnic_config_switch_port(adapter, &esw_cfg))
823 return -EIO;
824
825 return 0;
826}
827
cea8975e
AC		 828static int
829qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
830{
4e8acb01 831 int i, err;
cea8975e
AC		 832 struct qlcnic_npar_info *npar;
833 struct qlcnic_info nic_info;
834
174240a8 835 if (!adapter->need_fw_reset)
cea8975e
AC		 836 return 0;
837
4e8acb01
RB		 838 /* Set the NPAR config data after FW reset */
839 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
840 npar = &adapter->npars[i];
841 if (npar->type != QLCNIC_TYPE_NIC)
842 continue;
843 err = qlcnic_get_nic_info(adapter, &nic_info, i);
844 if (err)
845 return err;
846 nic_info.min_tx_bw = npar->min_bw;
847 nic_info.max_tx_bw = npar->max_bw;
848 err = qlcnic_set_nic_info(adapter, &nic_info);
849 if (err)
850 return err;
cea8975e 851
4e8acb01
RB		 852 if (npar->enable_pm) {
853 err = qlcnic_config_port_mirroring(adapter,
854 npar->dest_npar, 1, i);
855 if (err)
856 return err;
cea8975e 857 }
4e8acb01
RB		 858 err = qlcnic_reset_eswitch_config(adapter, npar, i);
859 if (err)
860 return err;
cea8975e 861 }
4e8acb01 862 return 0;
cea8975e
AC		 863}
864
78f84e1a
AKS		 865static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
866{
867 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
868 u32 npar_state;
869
79788450 870 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 871 return 0;
872
873 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
874 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
875 msleep(1000);
876 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
877 }
878 if (!npar_opt_timeo) {
879 dev_err(&adapter->pdev->dev,
880 "Waiting for NPAR state to opertional timeout\n");
881 return -EIO;
882 }
883 return 0;
884}
885
174240a8
RB		 886static int
887qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
888{
889 int err;
890
891 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 892 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 893 return 0;
894
895 err = qlcnic_set_default_offload_settings(adapter);
896 if (err)
897 return err;
898
899 err = qlcnic_reset_npar_config(adapter);
900 if (err)
901 return err;
902
903 qlcnic_dev_set_npar_ready(adapter);
904
905 return err;
906}
907
af19b491
AKS		 908static int
909qlcnic_start_firmware(struct qlcnic_adapter *adapter)
910{
d4066833 911 int err;
af19b491 912
aa5e18c0
SC		 913 err = qlcnic_can_start_firmware(adapter);
914 if (err < 0)
915 return err;
916 else if (!err)
d4066833 917 goto check_fw_status;
af19b491 918
4d5bdb38
AKS		 919 if (load_fw_file)
920 qlcnic_request_firmware(adapter);
8f891387 921 else {
8cfdce08
SC		 922 err = qlcnic_check_flash_fw_ver(adapter);
923 if (err)
8f891387 924 goto err_out;
925
79788450 926 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 927 }
af19b491
AKS		 928
929 err = qlcnic_need_fw_reset(adapter);
af19b491 930 if (err == 0)
4e70812b 931 goto check_fw_status;
af19b491 932
d4066833
SC		 933 err = qlcnic_pinit_from_rom(adapter);
934 if (err)
935 goto err_out;
af19b491
AKS		 936
937 err = qlcnic_load_firmware(adapter);
938 if (err)
939 goto err_out;
940
941 qlcnic_release_firmware(adapter);
d4066833 942 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 943
d4066833
SC		 944check_fw_status:
945 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 946 if (err)
947 goto err_out;
948
949 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 950 qlcnic_idc_debug_info(adapter, 1);
b18971d1 951
0866d96d
AC		 952 err = qlcnic_check_eswitch_mode(adapter);
953 if (err) {
954 dev_err(&adapter->pdev->dev,
955 "Memory allocation failed for eswitch\n");
956 goto err_out;
957 }
174240a8
RB		 958 err = qlcnic_set_mgmt_operations(adapter);
959 if (err)
960 goto err_out;
961
962 qlcnic_check_options(adapter);
af19b491
AKS		 963 adapter->need_fw_reset = 0;
964
a7fc948f
AKS		 965 qlcnic_release_firmware(adapter);
966 return 0;
af19b491
AKS		 967
968err_out:
a7fc948f
AKS		 969 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
970 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 971
af19b491
AKS		 972 qlcnic_release_firmware(adapter);
973 return err;
974}
975
976static int
977qlcnic_request_irq(struct qlcnic_adapter *adapter)
978{
979 irq_handler_t handler;
980 struct qlcnic_host_sds_ring *sds_ring;
981 int err, ring;
982
983 unsigned long flags = 0;
984 struct net_device *netdev = adapter->netdev;
b1fc6d3c 985 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 986
79788450 987 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
7eb9855d
AKS		 988 handler = qlcnic_tmp_intr;
989 if (!QLCNIC_IS_MSI_FAMILY(adapter))
990 flags |= IRQF_SHARED;
991
992 } else {
993 if (adapter->flags & QLCNIC_MSIX_ENABLED)
994 handler = qlcnic_msix_intr;
995 else if (adapter->flags & QLCNIC_MSI_ENABLED)
996 handler = qlcnic_msi_intr;
997 else {
998 flags |= IRQF_SHARED;
999 handler = qlcnic_intr;
1000 }
af19b491
AKS		 1001 }
1002 adapter->irq = netdev->irq;
1003
1004 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1005 sds_ring = &recv_ctx->sds_rings[ring];
1006 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1007 err = request_irq(sds_ring->irq, handler,
1008 flags, sds_ring->name, sds_ring);
1009 if (err)
1010 return err;
1011 }
1012
1013 return 0;
1014}
1015
1016static void
1017qlcnic_free_irq(struct qlcnic_adapter *adapter)
1018{
1019 int ring;
1020 struct qlcnic_host_sds_ring *sds_ring;
1021
b1fc6d3c 1022 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491
AKS		 1023
1024 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1025 sds_ring = &recv_ctx->sds_rings[ring];
1026 free_irq(sds_ring->irq, sds_ring);
1027 }
1028}
1029
af19b491
AKS		 1030static int
1031__qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1032{
8a15ad1f 1033 int ring;
cae82d49
RB		 1034 u32 capab2;
1035
8a15ad1f
AKS		 1036 struct qlcnic_host_rds_ring *rds_ring;
1037
af19b491
AKS		 1038 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1039 return -EIO;
1040
8a15ad1f
AKS		 1041 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1042 return 0;
0325d69b
RB		 1043 if (qlcnic_set_eswitch_port_config(adapter))
1044 return -EIO;
8a15ad1f 1045
79788450 1046 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1047 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1048 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1049 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1050 }
1051
8a15ad1f
AKS		 1052 if (qlcnic_fw_create_ctx(adapter))
1053 return -EIO;
1054
1055 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c
AC		 1056 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1057 qlcnic_post_rx_buffers(adapter, rds_ring);
8a15ad1f
AKS		 1058 }
1059
af19b491
AKS		 1060 qlcnic_set_multi(netdev);
1061 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1062
b1fc6d3c 1063 adapter->ahw->linkup = 0;
af19b491
AKS		 1064
1065 if (adapter->max_sds_rings > 1)
1066 qlcnic_config_rss(adapter, 1);
1067
1068 qlcnic_config_intr_coalesce(adapter);
1069
24763d80 1070 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1071 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1072
1073 qlcnic_napi_enable(adapter);
1074
1075 qlcnic_linkevent_request(adapter, 1);
1076
79788450 1077 adapter->ahw->reset_context = 0;
af19b491
AKS		 1078 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1079 return 0;
1080}
1081
1082/* Usage: During resume and firmware recovery module.*/
1083
1084static int
1085qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1086{
1087 int err = 0;
1088
1089 rtnl_lock();
1090 if (netif_running(netdev))
1091 err = __qlcnic_up(adapter, netdev);
1092 rtnl_unlock();
1093
1094 return err;
1095}
1096
1097static void
1098__qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1099{
1100 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1101 return;
1102
1103 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1104 return;
1105
1106 smp_mb();
1107 spin_lock(&adapter->tx_clean_lock);
1108 netif_carrier_off(netdev);
1109 netif_tx_disable(netdev);
1110
1111 qlcnic_free_mac_list(adapter);
1112
b5e5492c
AKS		 1113 if (adapter->fhash.fnum)
1114 qlcnic_delete_lb_filters(adapter);
1115
af19b491
AKS		 1116 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1117
1118 qlcnic_napi_disable(adapter);
1119
8a15ad1f 1120 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1121 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1122
1123 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1124 qlcnic_release_tx_buffers(adapter);
1125 spin_unlock(&adapter->tx_clean_lock);
1126}
1127
1128/* Usage: During suspend and firmware recovery module */
1129
1130static void
1131qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1132{
1133 rtnl_lock();
1134 if (netif_running(netdev))
1135 __qlcnic_down(adapter, netdev);
1136 rtnl_unlock();
1137
1138}
1139
1140static int
1141qlcnic_attach(struct qlcnic_adapter *adapter)
1142{
1143 struct net_device *netdev = adapter->netdev;
1144 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1145 int err;
af19b491
AKS		 1146
1147 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1148 return 0;
1149
af19b491
AKS		 1150 err = qlcnic_napi_add(adapter, netdev);
1151 if (err)
1152 return err;
1153
1154 err = qlcnic_alloc_sw_resources(adapter);
1155 if (err) {
1156 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1157 goto err_out_napi_del;
af19b491
AKS		 1158 }
1159
1160 err = qlcnic_alloc_hw_resources(adapter);
1161 if (err) {
1162 dev_err(&pdev->dev, "Error in setting hw resources\n");
1163 goto err_out_free_sw;
1164 }
1165
af19b491
AKS		 1166 err = qlcnic_request_irq(adapter);
1167 if (err) {
1168 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1169 goto err_out_free_hw;
af19b491
AKS		 1170 }
1171
af19b491
AKS		 1172 qlcnic_create_sysfs_entries(adapter);
1173
1174 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1175 return 0;
1176
8a15ad1f 1177err_out_free_hw:
af19b491
AKS		 1178 qlcnic_free_hw_resources(adapter);
1179err_out_free_sw:
1180 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1181err_out_napi_del:
1182 qlcnic_napi_del(adapter);
af19b491
AKS		 1183 return err;
1184}
1185
1186static void
1187qlcnic_detach(struct qlcnic_adapter *adapter)
1188{
1189 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1190 return;
1191
1192 qlcnic_remove_sysfs_entries(adapter);
1193
1194 qlcnic_free_hw_resources(adapter);
1195 qlcnic_release_rx_buffers(adapter);
1196 qlcnic_free_irq(adapter);
1197 qlcnic_napi_del(adapter);
1198 qlcnic_free_sw_resources(adapter);
1199
1200 adapter->is_up = 0;
1201}
1202
7eb9855d
AKS		 1203void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1204{
1205 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1206 struct qlcnic_host_sds_ring *sds_ring;
1207 int ring;
1208
78ad3892 1209 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1210 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1211 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1212 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1213 qlcnic_disable_int(sds_ring);
1214 }
7eb9855d
AKS		 1215 }
1216
8a15ad1f
AKS		 1217 qlcnic_fw_destroy_ctx(adapter);
1218
7eb9855d
AKS		 1219 qlcnic_detach(adapter);
1220
79788450 1221 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1222 adapter->max_sds_rings = max_sds_rings;
1223
1224 if (qlcnic_attach(adapter))
34ce3626 1225 goto out;
7eb9855d
AKS		 1226
1227 if (netif_running(netdev))
1228 __qlcnic_up(adapter, netdev);
34ce3626 1229out:
7eb9855d
AKS		 1230 netif_device_attach(netdev);
1231}
1232
b1fc6d3c
AC		 1233static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1234{
1235 int err = 0;
1236 adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1237 GFP_KERNEL);
1238 if (!adapter->ahw) {
1239 dev_err(&adapter->pdev->dev,
1240 "Failed to allocate recv ctx resources for adapter\n");
1241 err = -ENOMEM;
1242 goto err_out;
1243 }
1244 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1245 GFP_KERNEL);
1246 if (!adapter->recv_ctx) {
1247 dev_err(&adapter->pdev->dev,
1248 "Failed to allocate recv ctx resources for adapter\n");
1249 kfree(adapter->ahw);
1250 adapter->ahw = NULL;
1251 err = -ENOMEM;
8816d009 1252 goto err_out;
b1fc6d3c 1253 }
8816d009
AC		 1254 /* Initialize interrupt coalesce parameters */
1255 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1256 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1257 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
b1fc6d3c
AC		 1258err_out:
1259 return err;
1260}
1261
1262static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1263{
1264 kfree(adapter->recv_ctx);
1265 adapter->recv_ctx = NULL;
1266
18f2f616
AC		 1267 if (adapter->ahw->fw_dump.tmpl_hdr) {
1268 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1269 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1270 }
b1fc6d3c
AC		 1271 kfree(adapter->ahw);
1272 adapter->ahw = NULL;
1273}
1274
7eb9855d
AKS		 1275int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1276{
1277 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1278 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1279 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1280 int ring;
1281 int ret;
1282
1283 netif_device_detach(netdev);
1284
1285 if (netif_running(netdev))
1286 __qlcnic_down(adapter, netdev);
1287
1288 qlcnic_detach(adapter);
1289
1290 adapter->max_sds_rings = 1;
79788450 1291 adapter->ahw->diag_test = test;
7eb9855d
AKS		 1292
1293 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1294 if (ret) {
1295 netif_device_attach(netdev);
7eb9855d 1296 return ret;
34ce3626 1297 }
7eb9855d 1298
8a15ad1f
AKS		 1299 ret = qlcnic_fw_create_ctx(adapter);
1300 if (ret) {
1301 qlcnic_detach(adapter);
57e46248 1302 netif_device_attach(netdev);
8a15ad1f
AKS		 1303 return ret;
1304 }
1305
1306 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c
AC		 1307 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1308 qlcnic_post_rx_buffers(adapter, rds_ring);
8a15ad1f
AKS		 1309 }
1310
79788450 1311 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1312 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1313 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1314 qlcnic_enable_int(sds_ring);
1315 }
7eb9855d 1316 }
22c8c934 1317
79788450 1318 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1319 adapter->ahw->loopback_state = 0;
1320 qlcnic_linkevent_request(adapter, 1);
1321 }
1322
78ad3892 1323 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1324
1325 return 0;
1326}
1327
68bf1c68
AKS		 1328/* Reset context in hardware only */
1329static int
1330qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1331{
1332 struct net_device *netdev = adapter->netdev;
1333
1334 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1335 return -EBUSY;
1336
1337 netif_device_detach(netdev);
1338
1339 qlcnic_down(adapter, netdev);
1340
1341 qlcnic_up(adapter, netdev);
1342
1343 netif_device_attach(netdev);
1344
1345 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1346 return 0;
1347}
1348
af19b491
AKS		 1349int
1350qlcnic_reset_context(struct qlcnic_adapter *adapter)
1351{
1352 int err = 0;
1353 struct net_device *netdev = adapter->netdev;
1354
1355 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1356 return -EBUSY;
1357
1358 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1359
1360 netif_device_detach(netdev);
1361
1362 if (netif_running(netdev))
1363 __qlcnic_down(adapter, netdev);
1364
1365 qlcnic_detach(adapter);
1366
1367 if (netif_running(netdev)) {
1368 err = qlcnic_attach(adapter);
1d5c88e3 1369 if (!err) {
34ce3626 1370 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1371 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1372 }
af19b491
AKS		 1373 }
1374
1375 netif_device_attach(netdev);
1376 }
1377
af19b491
AKS		 1378 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1379 return err;
1380}
1381
1382static int
5ad6ff9d
SC		 1383qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1384 int pci_using_dac)
af19b491
AKS		 1385{
1386 int err;
1387 struct pci_dev *pdev = adapter->pdev;
1388
79788450
SC		 1389 adapter->ahw->mc_enabled = 0;
1390 adapter->ahw->max_mc_count = 38;
af19b491
AKS		 1391
1392 netdev->netdev_ops = &qlcnic_netdev_ops;
ef71ff83 1393 netdev->watchdog_timeo = 5*HZ;
af19b491
AKS		 1394
1395 qlcnic_change_mtu(netdev, netdev->mtu);
1396
1397 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1398
135d84a9
MM		 1399 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1400 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
ac8d0c4f 1401
79788450 1402 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
135d84a9 1403 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
5ad6ff9d 1404 if (pci_using_dac == 1)
135d84a9 1405 netdev->hw_features |= NETIF_F_HIGHDMA;
af19b491 1406
135d84a9 1407 netdev->vlan_features = netdev->hw_features;
af19b491 1408
79788450 1409 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
135d84a9 1410 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
79788450 1411 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
135d84a9
MM		 1412 netdev->hw_features |= NETIF_F_LRO;
1413
1414 netdev->features |= netdev->hw_features |
1415 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1416
af19b491
AKS		 1417 netdev->irq = adapter->msix_entries[0].vector;
1418
af19b491
AKS		 1419 err = register_netdev(netdev);
1420 if (err) {
1421 dev_err(&pdev->dev, "failed to register net device\n");
1422 return err;
1423 }
1424
1425 return 0;
1426}
1427
5ad6ff9d 1428static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1429{
1430 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1431 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1432 *pci_using_dac = 1;
1433 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1434 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1435 *pci_using_dac = 0;
1436 else {
1437 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1438 return -EIO;
1439 }
1440
1441 return 0;
1442}
1443
f94bc1e7
SC		 1444static int
1445qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1446{
1447 adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1448 GFP_KERNEL);
1449
1450 if (adapter->msix_entries)
1451 return 0;
1452
1453 dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1454 return -ENOMEM;
1455}
1456
6bb58bb0 1457static int
af19b491
AKS		 1458qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1459{
1460 struct net_device *netdev = NULL;
1461 struct qlcnic_adapter *adapter = NULL;
5ad6ff9d 1462 int err, pci_using_dac = -1;
af19b491 1463 uint8_t revision_id;
da48e6c3 1464 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1465
1466 err = pci_enable_device(pdev);
1467 if (err)
1468 return err;
1469
1470 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1471 err = -ENODEV;
1472 goto err_out_disable_pdev;
1473 }
1474
1bb09fb9
AKS		 1475 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1476 if (err)
1477 goto err_out_disable_pdev;
1478
af19b491
AKS		 1479 err = pci_request_regions(pdev, qlcnic_driver_name);
1480 if (err)
1481 goto err_out_disable_pdev;
1482
1483 pci_set_master(pdev);
451724c8 1484 pci_enable_pcie_error_reporting(pdev);
af19b491
AKS		 1485
1486 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1487 if (!netdev) {
af19b491
AKS		 1488 err = -ENOMEM;
1489 goto err_out_free_res;
1490 }
1491
1492 SET_NETDEV_DEV(netdev, &pdev->dev);
1493
1494 adapter = netdev_priv(netdev);
1495 adapter->netdev = netdev;
1496 adapter->pdev = pdev;
af19b491 1497
2dfc9671
PST		 1498 err = qlcnic_alloc_adapter_resources(adapter);
1499 if (err)
b1fc6d3c
AC		 1500 goto err_out_free_netdev;
1501
1502 adapter->dev_rst_time = jiffies;
af19b491 1503 revision_id = pdev->revision;
b1fc6d3c 1504 adapter->ahw->revision_id = revision_id;
e5dcf6dc 1505 adapter->mac_learn = qlcnic_mac_learn;
af19b491 1506
b1fc6d3c
AC		 1507 rwlock_init(&adapter->ahw->crb_lock);
1508 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1509
1510 spin_lock_init(&adapter->tx_clean_lock);
1511 INIT_LIST_HEAD(&adapter->mac_list);
1512
1513 err = qlcnic_setup_pci_map(adapter);
1514 if (err)
b1fc6d3c 1515 goto err_out_free_hw;
af19b491
AKS		 1516
1517 /* This will be reset for mezz cards */
b1fc6d3c 1518 adapter->portnum = adapter->ahw->pci_func;
af19b491
AKS		 1519
1520 err = qlcnic_get_board_info(adapter);
1521 if (err) {
1522 dev_err(&pdev->dev, "Error getting board config info.\n");
1523 goto err_out_iounmap;
1524 }
1525
8cfdce08
SC		 1526 err = qlcnic_setup_idc_param(adapter);
1527 if (err)
b3a24649 1528 goto err_out_iounmap;
af19b491 1529
1dc0f3c5 1530 adapter->flags |= QLCNIC_NEED_FLR;
b0044bcf 1531
9f26f547 1532 err = adapter->nic_ops->start_firmware(adapter);
a7fc948f 1533 if (err) {
b43e5ee7
SC		 1534 dev_err(&pdev->dev, "Loading fw failed. Please Reboot\n"
1535 "\t\tIf reboot doesn't help, try flashing the card\n");
1536 goto err_out_maintenance_mode;
a7fc948f 1537 }
af19b491 1538
da48e6c3
RB		 1539 if (qlcnic_read_mac_addr(adapter))
1540 dev_warn(&pdev->dev, "failed to read mac addr\n");
1541
1542 if (adapter->portnum == 0) {
1543 get_brd_name(adapter, brd_name);
1544
1545 pr_info("%s: %s Board Chip rev 0x%x\n",
1546 module_name(THIS_MODULE),
b1fc6d3c 1547 brd_name, adapter->ahw->revision_id);
da48e6c3
RB		 1548 }
1549
af19b491
AKS		 1550 qlcnic_clear_stats(adapter);
1551
79788450 1552 err = qlcnic_alloc_msix_entries(adapter, adapter->ahw->max_rx_ques);
f94bc1e7
SC		 1553 if (err)
1554 goto err_out_decr_ref;
1555
af19b491
AKS		 1556 qlcnic_setup_intr(adapter);
1557
1bb09fb9 1558 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491
AKS		 1559 if (err)
1560 goto err_out_disable_msi;
1561
1562 pci_set_drvdata(pdev, adapter);
1563
97ee45eb
SC		 1564 if (qlcnic_82xx_check(adapter))
1565 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1566 FW_POLL_DELAY);
af19b491 1567
b1fc6d3c 1568 switch (adapter->ahw->port_type) {
af19b491
AKS		 1569 case QLCNIC_GBE:
1570 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1571 adapter->netdev->name);
1572 break;
1573 case QLCNIC_XGBE:
1574 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1575 adapter->netdev->name);
1576 break;
1577 }
1578
e5dcf6dc
SC		 1579 if (adapter->mac_learn)
1580 qlcnic_alloc_lb_filters_mem(adapter);
1581
af19b491
AKS		 1582 qlcnic_create_diag_entries(adapter);
1583
1584 return 0;
1585
1586err_out_disable_msi:
1587 qlcnic_teardown_intr(adapter);
f94bc1e7 1588 kfree(adapter->msix_entries);
af19b491
AKS		 1589
1590err_out_decr_ref:
21854f02 1591 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1592
1593err_out_iounmap:
1594 qlcnic_cleanup_pci_map(adapter);
1595
b1fc6d3c
AC		 1596err_out_free_hw:
1597 qlcnic_free_adapter_resources(adapter);
1598
af19b491
AKS		 1599err_out_free_netdev:
1600 free_netdev(netdev);
1601
1602err_out_free_res:
1603 pci_release_regions(pdev);
1604
1605err_out_disable_pdev:
1606 pci_set_drvdata(pdev, NULL);
1607 pci_disable_device(pdev);
1608 return err;
b43e5ee7
SC		 1609
1610err_out_maintenance_mode:
1611 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
1612 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
1613 err = register_netdev(netdev);
1614 if (err) {
1615 dev_err(&pdev->dev, "failed to register net device\n");
1616 goto err_out_decr_ref;
1617 }
1618 pci_set_drvdata(pdev, adapter);
1619 qlcnic_create_diag_entries(adapter);
1620 return 0;
af19b491
AKS		 1621}
1622
6bb58bb0 1623static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 1624{
1625 struct qlcnic_adapter *adapter;
1626 struct net_device *netdev;
1627
1628 adapter = pci_get_drvdata(pdev);
1629 if (adapter == NULL)
1630 return;
1631
1632 netdev = adapter->netdev;
1633
1634 qlcnic_cancel_fw_work(adapter);
1635
1636 unregister_netdev(netdev);
1637
af19b491
AKS		 1638 qlcnic_detach(adapter);
1639
2e9d722d
AC		 1640 if (adapter->npars != NULL)
1641 kfree(adapter->npars);
1642 if (adapter->eswitch != NULL)
1643 kfree(adapter->eswitch);
1644
97ee45eb
SC		 1645 if (qlcnic_82xx_check(adapter))
1646 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1647
1648 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1649
b5e5492c
AKS		 1650 qlcnic_free_lb_filters_mem(adapter);
1651
af19b491 1652 qlcnic_teardown_intr(adapter);
f94bc1e7 1653 kfree(adapter->msix_entries);
af19b491
AKS		 1654
1655 qlcnic_remove_diag_entries(adapter);
1656
1657 qlcnic_cleanup_pci_map(adapter);
1658
1659 qlcnic_release_firmware(adapter);
1660
451724c8 1661 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 1662 pci_release_regions(pdev);
1663 pci_disable_device(pdev);
1664 pci_set_drvdata(pdev, NULL);
1665
b1fc6d3c 1666 qlcnic_free_adapter_resources(adapter);
af19b491
AKS		 1667 free_netdev(netdev);
1668}
1669static int __qlcnic_shutdown(struct pci_dev *pdev)
1670{
1671 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1672 struct net_device *netdev = adapter->netdev;
1673 int retval;
1674
1675 netif_device_detach(netdev);
1676
1677 qlcnic_cancel_fw_work(adapter);
1678
1679 if (netif_running(netdev))
1680 qlcnic_down(adapter, netdev);
1681
97ee45eb
SC		 1682 if (qlcnic_82xx_check(adapter))
1683 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1684
1685 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1686
1687 retval = pci_save_state(pdev);
1688 if (retval)
1689 return retval;
1690
97ee45eb
SC		 1691 if (qlcnic_82xx_check(adapter)) {
1692 if (qlcnic_wol_supported(adapter)) {
1693 pci_enable_wake(pdev, PCI_D3cold, 1);
1694 pci_enable_wake(pdev, PCI_D3hot, 1);
1695 }
af19b491
AKS		 1696 }
1697
1698 return 0;
1699}
1700
1701static void qlcnic_shutdown(struct pci_dev *pdev)
1702{
1703 if (__qlcnic_shutdown(pdev))
1704 return;
1705
1706 pci_disable_device(pdev);
1707}
1708
1709#ifdef CONFIG_PM
1710static int
1711qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1712{
1713 int retval;
1714
1715 retval = __qlcnic_shutdown(pdev);
1716 if (retval)
1717 return retval;
1718
1719 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1720 return 0;
1721}
1722
1723static int
1724qlcnic_resume(struct pci_dev *pdev)
1725{
1726 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1727 struct net_device *netdev = adapter->netdev;
1728 int err;
1729
1730 err = pci_enable_device(pdev);
1731 if (err)
1732 return err;
1733
1734 pci_set_power_state(pdev, PCI_D0);
1735 pci_set_master(pdev);
1736 pci_restore_state(pdev);
1737
9f26f547 1738 err = adapter->nic_ops->start_firmware(adapter);
af19b491
AKS		 1739 if (err) {
1740 dev_err(&pdev->dev, "failed to start firmware\n");
1741 return err;
1742 }
1743
1744 if (netif_running(netdev)) {
af19b491
AKS		 1745 err = qlcnic_up(adapter, netdev);
1746 if (err)
52486a3a 1747 goto done;
af19b491 1748
aec1e845 1749 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 1750 }
52486a3a 1751done:
af19b491
AKS		 1752 netif_device_attach(netdev);
1753 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1754 return 0;
af19b491
AKS		 1755}
1756#endif
1757
1758static int qlcnic_open(struct net_device *netdev)
1759{
1760 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b43e5ee7 1761 u32 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491
AKS		 1762 int err;
1763
b43e5ee7
SC		 1764 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
1765 netdev_err(netdev, "Device in FAILED state\n");
1766 return -EIO;
1767 }
1768
c55ad8e5
AKS		 1769 netif_carrier_off(netdev);
1770
af19b491
AKS		 1771 err = qlcnic_attach(adapter);
1772 if (err)
1773 return err;
1774
1775 err = __qlcnic_up(adapter, netdev);
1776 if (err)
1777 goto err_out;
1778
1779 netif_start_queue(netdev);
1780
1781 return 0;
1782
1783err_out:
1784 qlcnic_detach(adapter);
1785 return err;
1786}
1787
1788/*
1789 * qlcnic_close - Disables a network interface entry point
1790 */
1791static int qlcnic_close(struct net_device *netdev)
1792{
1793 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1794
1795 __qlcnic_down(adapter, netdev);
1796 return 0;
1797}
1798
e5dcf6dc 1799void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 1800{
1801 void *head;
1802 int i;
1803
e5dcf6dc 1804 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 1805 return;
1806
1807 spin_lock_init(&adapter->mac_learn_lock);
1808
1809 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1810 GFP_KERNEL);
1811 if (!head)
1812 return;
1813
1814 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
43d620c8 1815 adapter->fhash.fhead = head;
b5e5492c
AKS		 1816
1817 for (i = 0; i < adapter->fhash.fmax; i++)
1818 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1819}
1820
1821static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1822{
1823 if (adapter->fhash.fmax && adapter->fhash.fhead)
1824 kfree(adapter->fhash.fhead);
1825
1826 adapter->fhash.fhead = NULL;
1827 adapter->fhash.fmax = 0;
1828}
1829
af19b491
AKS		 1830static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
1831{
1832 struct net_device *netdev = adapter->netdev;
97ee45eb 1833 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 1834 int rv = 0;
1835
97ee45eb
SC		 1836 if (qlcnic_82xx_check(adapter))
1837 temp = QLCRD32(adapter, CRB_TEMP_STATE);
af19b491
AKS		 1838
1839 temp_state = qlcnic_get_temp_state(temp);
1840 temp_val = qlcnic_get_temp_val(temp);
1841
1842 if (temp_state == QLCNIC_TEMP_PANIC) {
1843 dev_err(&netdev->dev,
1844 "Device temperature %d degrees C exceeds"
1845 " maximum allowed. Hardware has been shut down.\n",
1846 temp_val);
1847 rv = 1;
1848 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 1849 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 1850 dev_err(&netdev->dev,
1851 "Device temperature %d degrees C "
1852 "exceeds operating range."
1853 " Immediate action needed.\n",
1854 temp_val);
1855 }
1856 } else {
79788450 1857 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 1858 dev_info(&netdev->dev,
1859 "Device temperature is now %d degrees C"
1860 " in normal range.\n", temp_val);
1861 }
1862 }
79788450 1863 adapter->ahw->temp = temp_state;
af19b491
AKS		 1864 return rv;
1865}
1866
af19b491
AKS		 1867static void qlcnic_tx_timeout(struct net_device *netdev)
1868{
1869 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1870
1871 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1872 return;
1873
1874 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 1875
1876 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 1877 adapter->need_fw_reset = 1;
1878 else
79788450 1879 adapter->ahw->reset_context = 1;
af19b491
AKS		 1880}
1881
1882static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
1883{
1884 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1885 struct net_device_stats *stats = &netdev->stats;
1886
af19b491
AKS		 1887 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
1888 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 1889 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 1890 stats->tx_bytes = adapter->stats.txbytes;
1891 stats->rx_dropped = adapter->stats.rxdropped;
1892 stats->tx_dropped = adapter->stats.txdropped;
1893
1894 return stats;
1895}
1896
7eb9855d 1897static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 1898{
af19b491
AKS		 1899 u32 status;
1900
1901 status = readl(adapter->isr_int_vec);
1902
79788450 1903 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 1904 return IRQ_NONE;
1905
1906 /* check interrupt state machine, to be sure */
1907 status = readl(adapter->crb_int_state_reg);
1908 if (!ISR_LEGACY_INT_TRIGGERED(status))
1909 return IRQ_NONE;
1910
1911 writel(0xffffffff, adapter->tgt_status_reg);
1912 /* read twice to ensure write is flushed */
1913 readl(adapter->isr_int_vec);
1914 readl(adapter->isr_int_vec);
1915
7eb9855d
AKS		 1916 return IRQ_HANDLED;
1917}
1918
1919static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
1920{
1921 struct qlcnic_host_sds_ring *sds_ring = data;
1922 struct qlcnic_adapter *adapter = sds_ring->adapter;
1923
1924 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1925 goto done;
1926 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
1927 writel(0xffffffff, adapter->tgt_status_reg);
1928 goto done;
1929 }
1930
1931 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
1932 return IRQ_NONE;
1933
1934done:
79788450 1935 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 1936 qlcnic_enable_int(sds_ring);
1937 return IRQ_HANDLED;
1938}
1939
1940static irqreturn_t qlcnic_intr(int irq, void *data)
1941{
1942 struct qlcnic_host_sds_ring *sds_ring = data;
1943 struct qlcnic_adapter *adapter = sds_ring->adapter;
1944
1945 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
1946 return IRQ_NONE;
1947
af19b491
AKS		 1948 napi_schedule(&sds_ring->napi);
1949
1950 return IRQ_HANDLED;
1951}
1952
1953static irqreturn_t qlcnic_msi_intr(int irq, void *data)
1954{
1955 struct qlcnic_host_sds_ring *sds_ring = data;
1956 struct qlcnic_adapter *adapter = sds_ring->adapter;
1957
1958 /* clear interrupt */
1959 writel(0xffffffff, adapter->tgt_status_reg);
1960
1961 napi_schedule(&sds_ring->napi);
1962 return IRQ_HANDLED;
1963}
1964
1965static irqreturn_t qlcnic_msix_intr(int irq, void *data)
1966{
1967 struct qlcnic_host_sds_ring *sds_ring = data;
1968
1969 napi_schedule(&sds_ring->napi);
1970 return IRQ_HANDLED;
1971}
1972
af19b491
AKS		 1973#ifdef CONFIG_NET_POLL_CONTROLLER
1974static void qlcnic_poll_controller(struct net_device *netdev)
1975{
bf82791e
YL		 1976 int ring;
1977 struct qlcnic_host_sds_ring *sds_ring;
af19b491 1978 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 1979 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 1980
af19b491 1981 disable_irq(adapter->irq);
bf82791e
YL		 1982 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1983 sds_ring = &recv_ctx->sds_rings[ring];
1984 qlcnic_intr(adapter->irq, sds_ring);
1985 }
af19b491
AKS		 1986 enable_irq(adapter->irq);
1987}
1988#endif
1989
6df900e9
SC		 1990static void
1991qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
1992{
1993 u32 val;
1994
1995 val = adapter->portnum & 0xf;
1996 val |= encoding << 7;
1997 val |= (jiffies - adapter->dev_rst_time) << 8;
1998
1999 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2000 adapter->dev_rst_time = jiffies;
2001}
2002
ade91f8e
AKS		 2003static int
2004qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2005{
2006 u32 val;
2007
2008 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2009 state != QLCNIC_DEV_NEED_QUISCENT);
2010
2011 if (qlcnic_api_lock(adapter))
ade91f8e 2012 return -EIO;
af19b491
AKS		 2013
2014 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2015
2016 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2017 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2018 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2019 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491
AKS		 2020
2021 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2022
2023 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2024
2025 return 0;
af19b491
AKS		 2026}
2027
1b95a839
AKS		 2028static int
2029qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2030{
2031 u32 val;
2032
2033 if (qlcnic_api_lock(adapter))
2034 return -EBUSY;
2035
2036 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2037 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
1b95a839
AKS		 2038 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2039
2040 qlcnic_api_unlock(adapter);
2041
2042 return 0;
2043}
2044
af19b491 2045static void
21854f02 2046qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2047{
2048 u32 val;
2049
2050 if (qlcnic_api_lock(adapter))
2051 goto err;
2052
31018e06 2053 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2054 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
31018e06 2055 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2056
21854f02
AKS		 2057 if (failed) {
2058 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2059 dev_info(&adapter->pdev->dev,
2060 "Device state set to Failed. Please Reboot\n");
2061 } else if (!(val & 0x11111111))
af19b491
AKS		 2062 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2063
2064 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2065 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
af19b491
AKS		 2066 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2067
2068 qlcnic_api_unlock(adapter);
2069err:
2070 adapter->fw_fail_cnt = 0;
032a13c7 2071 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2072 clear_bit(__QLCNIC_START_FW, &adapter->state);
2073 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2074}
2075
f73dfc50 2076/* Grab api lock, before checking state */
af19b491
AKS		 2077static int
2078qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2079{
602ca6f0 2080 int act, state, active_mask;
af19b491
AKS		 2081
2082 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
31018e06 2083 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2084
602ca6f0
SV		 2085 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2086 active_mask = (~(1 << (adapter->ahw->pci_func * 4)));
2087 act = act & active_mask;
2088 }
2089
af19b491
AKS		 2090 if (((state & 0x11111111) == (act & 0x11111111)) ||
2091 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2092 return 0;
2093 else
2094 return 1;
2095}
2096
96f8118c
SC		 2097static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2098{
2099 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2100
2101 if (val != QLCNIC_DRV_IDC_VER) {
2102 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2103 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2104 }
2105
2106 return 0;
2107}
2108
af19b491
AKS		 2109static int
2110qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2111{
2112 u32 val, prev_state;
aa5e18c0 2113 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2114 u8 portnum = adapter->portnum;
96f8118c 2115 u8 ret;
af19b491 2116
f73dfc50
AKS		 2117 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2118 return 1;
2119
af19b491
AKS		 2120 if (qlcnic_api_lock(adapter))
2121 return -1;
2122
31018e06 2123 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2124 if (!(val & (1 << (portnum * 4)))) {
2125 QLC_DEV_SET_REF_CNT(val, portnum);
31018e06 2126 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2127 }
2128
2129 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2130 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2131
2132 switch (prev_state) {
2133 case QLCNIC_DEV_COLD:
bbd8c6a4 2134 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
96f8118c 2135 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
6df900e9 2136 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2137 qlcnic_api_unlock(adapter);
2138 return 1;
2139
2140 case QLCNIC_DEV_READY:
96f8118c 2141 ret = qlcnic_check_idc_ver(adapter);
af19b491 2142 qlcnic_api_unlock(adapter);
96f8118c 2143 return ret;
af19b491
AKS		 2144
2145 case QLCNIC_DEV_NEED_RESET:
2146 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2147 QLC_DEV_SET_RST_RDY(val, portnum);
af19b491
AKS		 2148 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2149 break;
2150
2151 case QLCNIC_DEV_NEED_QUISCENT:
2152 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2153 QLC_DEV_SET_QSCNT_RDY(val, portnum);
af19b491
AKS		 2154 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2155 break;
2156
2157 case QLCNIC_DEV_FAILED:
a7fc948f 2158 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2159 qlcnic_api_unlock(adapter);
2160 return -1;
bbd8c6a4
AKS		 2161
2162 case QLCNIC_DEV_INITIALIZING:
2163 case QLCNIC_DEV_QUISCENT:
2164 break;
af19b491
AKS		 2165 }
2166
2167 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2168
2169 do {
af19b491 2170 msleep(1000);
a5e463d0
SC		 2171 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2172
2173 if (prev_state == QLCNIC_DEV_QUISCENT)
2174 continue;
2175 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2176
65b5b420
AKS		 2177 if (!dev_init_timeo) {
2178 dev_err(&adapter->pdev->dev,
2179 "Waiting for device to initialize timeout\n");
af19b491 2180 return -1;
65b5b420 2181 }
af19b491
AKS		 2182
2183 if (qlcnic_api_lock(adapter))
2184 return -1;
2185
2186 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2187 QLC_DEV_CLR_RST_QSCNT(val, portnum);
af19b491
AKS		 2188 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2189
96f8118c 2190 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2191 qlcnic_api_unlock(adapter);
2192
96f8118c 2193 return ret;
af19b491
AKS		 2194}
2195
2196static void
2197qlcnic_fwinit_work(struct work_struct *work)
2198{
2199 struct qlcnic_adapter *adapter = container_of(work,
2200 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2201 u32 dev_state = 0xf;
7b749ff4 2202 u32 val;
af19b491 2203
f73dfc50
AKS		 2204 if (qlcnic_api_lock(adapter))
2205 goto err_ret;
af19b491 2206
a5e463d0 2207 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2208 if (dev_state == QLCNIC_DEV_QUISCENT ||
2209 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2210 qlcnic_api_unlock(adapter);
2211 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2212 FW_POLL_DELAY * 2);
2213 return;
2214 }
2215
79788450 2216 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2217 qlcnic_api_unlock(adapter);
2218 goto wait_npar;
9f26f547
AC		 2219 }
2220
16e3cf73
SV		 2221 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2222 dev_state == QLCNIC_DEV_READY) {
2223 dev_info(&adapter->pdev->dev, "Detected state change from "
2224 "DEV_NEED_RESET, skipping ack check\n");
2225 goto skip_ack_check;
2226 }
2227
f73dfc50 2228 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2229 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2230 adapter->reset_ack_timeo);
2231 goto skip_ack_check;
2232 }
2233
2234 if (!qlcnic_check_drv_state(adapter)) {
2235skip_ack_check:
2236 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2237
f73dfc50
AKS		 2238 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2239 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2240 QLCNIC_DEV_INITIALIZING);
2241 set_bit(__QLCNIC_START_FW, &adapter->state);
2242 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2243 qlcnic_idc_debug_info(adapter, 0);
7b749ff4
SV		 2244 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2245 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2246 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2247 }
2248
f73dfc50
AKS		 2249 qlcnic_api_unlock(adapter);
2250
287e38aa 2251 rtnl_lock();
7b749ff4
SV		 2252 if (adapter->ahw->fw_dump.enable &&
2253 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2254 QLCDB(adapter, DRV, "Take FW dump\n");
2255 qlcnic_dump_fw(adapter);
032a13c7 2256 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2257 }
287e38aa 2258 rtnl_unlock();
7b749ff4
SV		 2259
2260 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2261 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2262 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2263 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2264 return;
2265 }
af19b491
AKS		 2266 goto err_ret;
2267 }
2268
f73dfc50 2269 qlcnic_api_unlock(adapter);
aa5e18c0 2270
9f26f547 2271wait_npar:
af19b491 2272 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2273 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2274
af19b491 2275 switch (dev_state) {
3c4b23b1 2276 case QLCNIC_DEV_READY:
9f26f547 2277 if (!adapter->nic_ops->start_firmware(adapter)) {
f73dfc50 2278 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2279 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2280 return;
2281 }
3c4b23b1
AKS		 2282 case QLCNIC_DEV_FAILED:
2283 break;
2284 default:
2285 qlcnic_schedule_work(adapter,
2286 qlcnic_fwinit_work, FW_POLL_DELAY);
2287 return;
af19b491
AKS		 2288 }
2289
2290err_ret:
f73dfc50
AKS		 2291 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2292 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2293 netif_device_attach(adapter->netdev);
21854f02 2294 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2295}
2296
2297static void
2298qlcnic_detach_work(struct work_struct *work)
2299{
2300 struct qlcnic_adapter *adapter = container_of(work,
2301 struct qlcnic_adapter, fw_work.work);
2302 struct net_device *netdev = adapter->netdev;
2303 u32 status;
2304
2305 netif_device_detach(netdev);
2306
b8c17620
AKS		 2307 /* Dont grab rtnl lock during Quiscent mode */
2308 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2309 if (netif_running(netdev))
2310 __qlcnic_down(adapter, netdev);
2311 } else
2312 qlcnic_down(adapter, netdev);
af19b491 2313
af19b491
AKS		 2314 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2315
44f65b29
SC		 2316 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2317 dev_err(&adapter->pdev->dev,
2318 "Detaching the device: peg halt status1=0x%x\n",
2319 status);
2320
2321 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2322 dev_err(&adapter->pdev->dev,
2323 "On board active cooling fan failed. "
2324 "Device has been halted.\n");
2325 dev_err(&adapter->pdev->dev,
2326 "Replace the adapter.\n");
2327 }
2328
af19b491 2329 goto err_ret;
44f65b29 2330 }
af19b491 2331
79788450 2332 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2333 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2334 adapter->ahw->temp);
af19b491 2335 goto err_ret;
44f65b29
SC		 2336 }
2337
602ca6f0
SV		 2338 /* Dont ack if this instance is the reset owner */
2339 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2340 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2341 dev_err(&adapter->pdev->dev,
2342 "Failed to set driver state,"
2343 "detaching the device.\n");
602ca6f0 2344 goto err_ret;
44f65b29 2345 }
602ca6f0 2346 }
af19b491
AKS		 2347
2348 adapter->fw_wait_cnt = 0;
2349
2350 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2351
2352 return;
2353
2354err_ret:
34ce3626 2355 netif_device_attach(netdev);
21854f02 2356 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2357}
2358
3c4b23b1
AKS		 2359/*Transit NPAR state to NON Operational */
2360static void
2361qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2362{
2363 u32 state;
2364
2365 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2366 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2367 return;
2368
2369 if (qlcnic_api_lock(adapter))
2370 return;
2371 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2372 qlcnic_api_unlock(adapter);
2373}
2374
f73dfc50 2375/*Transit to RESET state from READY state only */
18f2f616 2376void
af19b491
AKS		 2377qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2378{
646779f1
SV		 2379 u32 state, xg_val = 0, gb_val = 0;
2380
2381 qlcnic_xg_set_xg0_mask(xg_val);
2382 qlcnic_xg_set_xg1_mask(xg_val);
2383 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2384 qlcnic_gb_set_gb0_mask(gb_val);
2385 qlcnic_gb_set_gb1_mask(gb_val);
2386 qlcnic_gb_set_gb2_mask(gb_val);
2387 qlcnic_gb_set_gb3_mask(gb_val);
2388 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2389 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2390 " on all ports\n");
cea8975e 2391 adapter->need_fw_reset = 1;
af19b491
AKS		 2392 if (qlcnic_api_lock(adapter))
2393 return;
2394
2395 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b43e5ee7
SC		 2396 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
2397 netdev_err(adapter->netdev,
2398 "Device is in FAILED state, Please Reboot\n");
2399 qlcnic_api_unlock(adapter);
2400 return;
2401 }
af19b491 2402
f73dfc50 2403 if (state == QLCNIC_DEV_READY) {
af19b491 2404 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
602ca6f0 2405 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2406 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2407 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2408 }
2409
3c4b23b1 2410 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2411 qlcnic_api_unlock(adapter);
2412}
2413
9f26f547
AC		 2414/* Transit to NPAR READY state from NPAR NOT READY state */
2415static void
2416qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2417{
9f26f547
AC		 2418 if (qlcnic_api_lock(adapter))
2419 return;
2420
3c4b23b1
AKS		 2421 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
2422 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2423
2424 qlcnic_api_unlock(adapter);
2425}
2426
af19b491
AKS		 2427static void
2428qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2429 work_func_t func, int delay)
2430{
451724c8
SC		 2431 if (test_bit(__QLCNIC_AER, &adapter->state))
2432 return;
2433
af19b491 2434 INIT_DELAYED_WORK(&adapter->fw_work, func);
f7ec804a
AKS		 2435 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
2436 round_jiffies_relative(delay));
af19b491
AKS		 2437}
2438
2439static void
2440qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2441{
2442 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2443 msleep(10);
2444
b43e5ee7
SC		 2445 if (!adapter->fw_work.work.func)
2446 return;
2447
af19b491
AKS		 2448 cancel_delayed_work_sync(&adapter->fw_work);
2449}
2450
2451static void
2452qlcnic_attach_work(struct work_struct *work)
2453{
2454 struct qlcnic_adapter *adapter = container_of(work,
2455 struct qlcnic_adapter, fw_work.work);
2456 struct net_device *netdev = adapter->netdev;
b18971d1 2457 u32 npar_state;
af19b491 2458
79788450 2459 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
b18971d1
AKS		 2460 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2461 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2462 qlcnic_clr_all_drv_state(adapter, 0);
2463 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2464 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2465 FW_POLL_DELAY);
2466 else
2467 goto attach;
2468 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2469 return;
2470 }
2471attach:
af19b491 2472 if (netif_running(netdev)) {
52486a3a 2473 if (qlcnic_up(adapter, netdev))
af19b491 2474 goto done;
af19b491 2475
aec1e845 2476 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2477 }
2478
af19b491 2479done:
34ce3626 2480 netif_device_attach(netdev);
af19b491 2481 adapter->fw_fail_cnt = 0;
032a13c7 2482 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2483 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2484
2485 if (!qlcnic_clr_drv_state(adapter))
2486 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2487 FW_POLL_DELAY);
af19b491
AKS		 2488}
2489
2490static int
2491qlcnic_check_health(struct qlcnic_adapter *adapter)
2492{
4e70812b 2493 u32 state = 0, heartbeat;
853d4bca 2494 u32 peg_status;
af19b491
AKS		 2495
2496 if (qlcnic_check_temp(adapter))
2497 goto detach;
2498
2372a5f1 2499 if (adapter->need_fw_reset)
af19b491 2500 qlcnic_dev_request_reset(adapter);
af19b491
AKS		 2501
2502 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2503 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2504 qlcnic_set_npar_non_operational(adapter);
af19b491 2505 adapter->need_fw_reset = 1;
b8c17620
AKS		 2506 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2507 goto detach;
af19b491 2508
4e70812b
SC		 2509 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
2510 if (heartbeat != adapter->heartbeat) {
2511 adapter->heartbeat = heartbeat;
af19b491
AKS		 2512 adapter->fw_fail_cnt = 0;
2513 if (adapter->need_fw_reset)
2514 goto detach;
68bf1c68 2515
79788450 2516 if (adapter->ahw->reset_context && auto_fw_reset) {
68bf1c68
AKS		 2517 qlcnic_reset_hw_context(adapter);
2518 adapter->netdev->trans_start = jiffies;
2519 }
2520
af19b491
AKS		 2521 return 0;
2522 }
2523
2524 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2525 return 0;
2526
032a13c7
SV		 2527 adapter->flags |= QLCNIC_FW_HANG;
2528
af19b491
AKS		 2529 qlcnic_dev_request_reset(adapter);
2530
9ce13ca8 2531 if (auto_fw_reset)
0df170b6 2532 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2533
853d4bca
AR		 2534 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
2535 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2536 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2537 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2538 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2539 "PEG_NET_4_PC: 0x%x\n",
2540 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1),
2541 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS2),
2542 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2543 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2544 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2545 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2546 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
853d4bca 2547 peg_status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
97048a1f 2548 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2549 dev_err(&adapter->pdev->dev,
2550 "Firmware aborted with error code 0x00006700. "
2551 "Device is being reset.\n");
af19b491
AKS		 2552detach:
2553 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2554 QLCNIC_DEV_NEED_RESET;
2555
9ce13ca8 2556 if (auto_fw_reset &&
65b5b420
AKS		 2557 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
2558
af19b491 2559 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2560 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2561 }
af19b491
AKS		 2562
2563 return 1;
2564}
2565
2566static void
2567qlcnic_fw_poll_work(struct work_struct *work)
2568{
2569 struct qlcnic_adapter *adapter = container_of(work,
2570 struct qlcnic_adapter, fw_work.work);
2571
2572 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2573 goto reschedule;
2574
2575
2576 if (qlcnic_check_health(adapter))
2577 return;
2578
b5e5492c
AKS		 2579 if (adapter->fhash.fnum)
2580 qlcnic_prune_lb_filters(adapter);
2581
af19b491
AKS		 2582reschedule:
2583 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2584}
2585
451724c8
SC		 2586static int qlcnic_is_first_func(struct pci_dev *pdev)
2587{
2588 struct pci_dev *oth_pdev;
2589 int val = pdev->devfn;
2590
2591 while (val-- > 0) {
2592 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2593 (pdev->bus), pdev->bus->number,
2594 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 2595 if (!oth_pdev)
2596 continue;
451724c8 2597
bfc978fa
AKS		 2598 if (oth_pdev->current_state != PCI_D3cold) {
2599 pci_dev_put(oth_pdev);
451724c8 2600 return 0;
bfc978fa
AKS		 2601 }
2602 pci_dev_put(oth_pdev);
451724c8
SC		 2603 }
2604 return 1;
2605}
2606
2607static int qlcnic_attach_func(struct pci_dev *pdev)
2608{
2609 int err, first_func;
2610 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2611 struct net_device *netdev = adapter->netdev;
2612
2613 pdev->error_state = pci_channel_io_normal;
2614
2615 err = pci_enable_device(pdev);
2616 if (err)
2617 return err;
2618
2619 pci_set_power_state(pdev, PCI_D0);
2620 pci_set_master(pdev);
2621 pci_restore_state(pdev);
2622
2623 first_func = qlcnic_is_first_func(pdev);
2624
2625 if (qlcnic_api_lock(adapter))
2626 return -EINVAL;
2627
79788450 2628 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 2629 adapter->need_fw_reset = 1;
2630 set_bit(__QLCNIC_START_FW, &adapter->state);
2631 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2632 QLCDB(adapter, DRV, "Restarting fw\n");
2633 }
2634 qlcnic_api_unlock(adapter);
2635
2636 err = adapter->nic_ops->start_firmware(adapter);
2637 if (err)
2638 return err;
2639
2640 qlcnic_clr_drv_state(adapter);
2641 qlcnic_setup_intr(adapter);
2642
2643 if (netif_running(netdev)) {
2644 err = qlcnic_attach(adapter);
2645 if (err) {
21854f02 2646 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 2647 clear_bit(__QLCNIC_AER, &adapter->state);
2648 netif_device_attach(netdev);
2649 return err;
2650 }
2651
2652 err = qlcnic_up(adapter, netdev);
2653 if (err)
2654 goto done;
2655
aec1e845 2656 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 2657 }
2658 done:
2659 netif_device_attach(netdev);
2660 return err;
2661}
2662
2663static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
2664 pci_channel_state_t state)
2665{
2666 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2667 struct net_device *netdev = adapter->netdev;
2668
2669 if (state == pci_channel_io_perm_failure)
2670 return PCI_ERS_RESULT_DISCONNECT;
2671
2672 if (state == pci_channel_io_normal)
2673 return PCI_ERS_RESULT_RECOVERED;
2674
2675 set_bit(__QLCNIC_AER, &adapter->state);
2676 netif_device_detach(netdev);
2677
2678 cancel_delayed_work_sync(&adapter->fw_work);
2679
2680 if (netif_running(netdev))
2681 qlcnic_down(adapter, netdev);
2682
2683 qlcnic_detach(adapter);
2684 qlcnic_teardown_intr(adapter);
2685
2686 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2687
2688 pci_save_state(pdev);
2689 pci_disable_device(pdev);
2690
2691 return PCI_ERS_RESULT_NEED_RESET;
2692}
2693
2694static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
2695{
2696 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
2697 PCI_ERS_RESULT_RECOVERED;
2698}
2699
2700static void qlcnic_io_resume(struct pci_dev *pdev)
2701{
2702 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2703
2704 pci_cleanup_aer_uncorrect_error_status(pdev);
2705
2706 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
2707 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
2708 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2709 FW_POLL_DELAY);
2710}
2711
87eb743b
AC		 2712static int
2713qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
2714{
2715 int err;
2716
2717 err = qlcnic_can_start_firmware(adapter);
2718 if (err)
2719 return err;
2720
78f84e1a
AKS		 2721 err = qlcnic_check_npar_opertional(adapter);
2722 if (err)
2723 return err;
3c4b23b1 2724
174240a8
RB		 2725 err = qlcnic_initialize_nic(adapter);
2726 if (err)
2727 return err;
2728
87eb743b
AC		 2729 qlcnic_check_options(adapter);
2730
7373373d
RB		 2731 err = qlcnic_set_eswitch_port_config(adapter);
2732 if (err)
2733 return err;
2734
87eb743b
AC		 2735 adapter->need_fw_reset = 0;
2736
2737 return err;
2738}
2739
f94bc1e7
SC		 2740int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
2741{
2742 if (!use_msi_x && !use_msi) {
2743 netdev_info(netdev, "no msix or msi support, hence no rss\n");
2744 return -EINVAL;
2745 }
2746
2747 if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
2748 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
2749 " powers of 2\n", max_hw);
2750 return -EINVAL;
2751 }
2752 return 0;
2753
2754}
2755
2756int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
2757{
2758 struct net_device *netdev = adapter->netdev;
2759 int err = 0;
2760
2761 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2762 return -EBUSY;
2763
2764 netif_device_detach(netdev);
2765 if (netif_running(netdev))
2766 __qlcnic_down(adapter, netdev);
2767 qlcnic_detach(adapter);
2768 qlcnic_teardown_intr(adapter);
2769
2770 if (qlcnic_enable_msix(adapter, data)) {
2771 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
2772 qlcnic_enable_msi_legacy(adapter);
2773 }
2774
2775 if (netif_running(netdev)) {
2776 err = qlcnic_attach(adapter);
2777 if (err)
2778 goto done;
2779 err = __qlcnic_up(adapter, netdev);
2780 if (err)
2781 goto done;
2782 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2783 }
2784 done:
2785 netif_device_attach(netdev);
2786 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2787 return err;
2788}
2789
af19b491
AKS		 2790#ifdef CONFIG_INET
2791
2792#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
2793
af19b491 2794static void
aec1e845
AKS		 2795qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
2796 struct net_device *dev, unsigned long event)
af19b491
AKS		 2797{
2798 struct in_device *indev;
af19b491 2799
af19b491
AKS		 2800 indev = in_dev_get(dev);
2801 if (!indev)
2802 return;
2803
2804 for_ifa(indev) {
2805 switch (event) {
2806 case NETDEV_UP:
2807 qlcnic_config_ipaddr(adapter,
2808 ifa->ifa_address, QLCNIC_IP_UP);
2809 break;
2810 case NETDEV_DOWN:
2811 qlcnic_config_ipaddr(adapter,
2812 ifa->ifa_address, QLCNIC_IP_DOWN);
2813 break;
2814 default:
2815 break;
2816 }
2817 } endfor_ifa(indev);
2818
2819 in_dev_put(indev);
af19b491
AKS		 2820}
2821
aec1e845
AKS		 2822static void
2823qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
2824{
2825 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2826 struct net_device *dev;
2827 u16 vid;
2828
2829 qlcnic_config_indev_addr(adapter, netdev, event);
2830
b9796a14 2831 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 2832 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 2833 if (!dev)
2834 continue;
aec1e845
AKS		 2835 qlcnic_config_indev_addr(adapter, dev, event);
2836 }
2837}
2838
af19b491
AKS		 2839static int qlcnic_netdev_event(struct notifier_block *this,
2840 unsigned long event, void *ptr)
2841{
2842 struct qlcnic_adapter *adapter;
2843 struct net_device *dev = (struct net_device *)ptr;
2844
2845recheck:
2846 if (dev == NULL)
2847 goto done;
2848
2849 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2850 dev = vlan_dev_real_dev(dev);
2851 goto recheck;
2852 }
2853
2854 if (!is_qlcnic_netdev(dev))
2855 goto done;
2856
2857 adapter = netdev_priv(dev);
2858
2859 if (!adapter)
2860 goto done;
2861
8a15ad1f 2862 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 2863 goto done;
2864
aec1e845 2865 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 2866done:
2867 return NOTIFY_DONE;
2868}
2869
2870static int
2871qlcnic_inetaddr_event(struct notifier_block *this,
2872 unsigned long event, void *ptr)
2873{
2874 struct qlcnic_adapter *adapter;
2875 struct net_device *dev;
2876
2877 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
2878
2879 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
2880
2881recheck:
aec1e845 2882 if (dev == NULL)
af19b491
AKS		 2883 goto done;
2884
2885 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2886 dev = vlan_dev_real_dev(dev);
2887 goto recheck;
2888 }
2889
2890 if (!is_qlcnic_netdev(dev))
2891 goto done;
2892
2893 adapter = netdev_priv(dev);
2894
251a84c9 2895 if (!adapter)
af19b491
AKS		 2896 goto done;
2897
8a15ad1f 2898 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 2899 goto done;
2900
2901 switch (event) {
2902 case NETDEV_UP:
2903 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
2904 break;
2905 case NETDEV_DOWN:
2906 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
2907 break;
2908 default:
2909 break;
2910 }
2911
2912done:
2913 return NOTIFY_DONE;
2914}
2915
2916static struct notifier_block qlcnic_netdev_cb = {
2917 .notifier_call = qlcnic_netdev_event,
2918};
2919
2920static struct notifier_block qlcnic_inetaddr_cb = {
2921 .notifier_call = qlcnic_inetaddr_event,
2922};
2923#else
2924static void
aec1e845 2925qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 2926{ }
2927#endif
63507592 2928static struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 2929 .error_detected = qlcnic_io_error_detected,
2930 .slot_reset = qlcnic_io_slot_reset,
2931 .resume = qlcnic_io_resume,
2932};
af19b491
AKS		 2933
2934static struct pci_driver qlcnic_driver = {
2935 .name = qlcnic_driver_name,
2936 .id_table = qlcnic_pci_tbl,
2937 .probe = qlcnic_probe,
6bb58bb0 2938 .remove = qlcnic_remove,
af19b491
AKS		 2939#ifdef CONFIG_PM
2940 .suspend = qlcnic_suspend,
2941 .resume = qlcnic_resume,
2942#endif
451724c8
SC		 2943 .shutdown = qlcnic_shutdown,
2944 .err_handler = &qlcnic_err_handler
2945
af19b491
AKS		 2946};
2947
2948static int __init qlcnic_init_module(void)
2949{
0cf3a14c 2950 int ret;
af19b491
AKS		 2951
2952 printk(KERN_INFO "%s\n", qlcnic_driver_string);
2953
f7ec804a
AKS		 2954 qlcnic_wq = create_singlethread_workqueue("qlcnic");
2955 if (qlcnic_wq == NULL) {
2956 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
2957 return -ENOMEM;
2958 }
2959
af19b491
AKS		 2960#ifdef CONFIG_INET
2961 register_netdevice_notifier(&qlcnic_netdev_cb);
2962 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
2963#endif
2964
0cf3a14c
AKS		 2965 ret = pci_register_driver(&qlcnic_driver);
2966 if (ret) {
2967#ifdef CONFIG_INET
2968 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
2969 unregister_netdevice_notifier(&qlcnic_netdev_cb);
2970#endif
f7ec804a 2971 destroy_workqueue(qlcnic_wq);
0cf3a14c 2972 }
af19b491 2973
0cf3a14c 2974 return ret;
af19b491
AKS		 2975}
2976
2977module_init(qlcnic_init_module);
2978
2979static void __exit qlcnic_exit_module(void)
2980{
2981
2982 pci_unregister_driver(&qlcnic_driver);
2983
2984#ifdef CONFIG_INET
2985 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
2986 unregister_netdevice_notifier(&qlcnic_netdev_cb);
2987#endif
f7ec804a 2988 destroy_workqueue(qlcnic_wq);
af19b491
AKS		 2989}
2990
2991module_exit(qlcnic_exit_module);
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