]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blame - drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
projects / mirror_ubuntu-artful-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
qlcnic: fix bug in LRO descriptor access macro
[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
bff57d8e
SC		 94#define QLCNIC_IS_TSO_CAPABLE(adapter) \
95 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
96
af19b491
AKS		 97/* PCI Device ID Table */
98#define ENTRY(device) \
99 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
100 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
101
102#define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
103
6a902881 104static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491
AKS		 105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
106 {0,}
107};
108
109MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
110
111
5ad6ff9d 112inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 113{
114 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 115}
116
117static const u32 msi_tgt_status[8] = {
118 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
119 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
120 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
121 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
122};
123
22999798
SC		 124static const struct qlcnic_board_info qlcnic_boards[] = {
125 {0x1077, 0x8020, 0x1077, 0x203,
126 "8200 Series Single Port 10GbE Converged Network Adapter"
127 "(TCP/IP Networking)"},
128 {0x1077, 0x8020, 0x1077, 0x207,
129 "8200 Series Dual Port 10GbE Converged Network Adapter"
130 "(TCP/IP Networking)"},
131 {0x1077, 0x8020, 0x1077, 0x20b,
132 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
133 {0x1077, 0x8020, 0x1077, 0x20c,
134 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
135 {0x1077, 0x8020, 0x1077, 0x20f,
136 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
137 {0x1077, 0x8020, 0x103c, 0x3733,
138 "NC523SFP 10Gb 2-port Server Adapter"},
139 {0x1077, 0x8020, 0x103c, 0x3346,
140 "CN1000Q Dual Port Converged Network Adapter"},
141 {0x1077, 0x8020, 0x1077, 0x210,
142 "QME8242-k 10GbE Dual Port Mezzanine Card"},
143 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
144};
145
146#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
147
af19b491
AKS		 148static const
149struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
150
c70001a9 151int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 152{
153 int size = sizeof(struct qlcnic_host_sds_ring) * count;
154
155 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
156
807540ba 157 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 158}
159
c70001a9 160void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 161{
162 if (recv_ctx->sds_rings != NULL)
163 kfree(recv_ctx->sds_rings);
164
165 recv_ctx->sds_rings = NULL;
166}
167
af19b491
AKS		 168static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
169{
170 memset(&adapter->stats, 0, sizeof(adapter->stats));
af19b491
AKS		 171}
172
af19b491
AKS		 173static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
174{
175 u32 control;
176 int pos;
177
178 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
179 if (pos) {
180 pci_read_config_dword(pdev, pos, &control);
181 if (enable)
182 control |= PCI_MSIX_FLAGS_ENABLE;
183 else
184 control = 0;
185 pci_write_config_dword(pdev, pos, control);
186 }
187}
188
189static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
190{
191 int i;
192
193 for (i = 0; i < count; i++)
194 adapter->msix_entries[i].entry = i;
195}
196
197static int
198qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
199{
2e9d722d 200 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 201 struct net_device *netdev = adapter->netdev;
202 struct pci_dev *pdev = adapter->pdev;
203
da48e6c3 204 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 205 return -EIO;
206
2e9d722d 207 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 208 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
209 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
210
211 /* set station address */
212
213 if (!is_valid_ether_addr(netdev->perm_addr))
214 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
215 netdev->dev_addr);
216
217 return 0;
218}
219
220static int qlcnic_set_mac(struct net_device *netdev, void *p)
221{
222 struct qlcnic_adapter *adapter = netdev_priv(netdev);
223 struct sockaddr *addr = p;
224
7373373d
RB		 225 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
226 return -EOPNOTSUPP;
227
af19b491 228 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a 229 return -EADDRNOTAVAIL;
af19b491 230
8a15ad1f 231 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 232 netif_device_detach(netdev);
233 qlcnic_napi_disable(adapter);
234 }
235
236 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
237 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
238 qlcnic_set_multi(adapter->netdev);
239
8a15ad1f 240 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 241 netif_device_attach(netdev);
242 qlcnic_napi_enable(adapter);
243 }
244 return 0;
245}
246
247static const struct net_device_ops qlcnic_netdev_ops = {
248 .ndo_open = qlcnic_open,
249 .ndo_stop = qlcnic_close,
250 .ndo_start_xmit = qlcnic_xmit_frame,
251 .ndo_get_stats = qlcnic_get_stats,
252 .ndo_validate_addr = eth_validate_addr,
afc4b13d 253 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 254 .ndo_set_mac_address = qlcnic_set_mac,
255 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 256 .ndo_fix_features = qlcnic_fix_features,
257 .ndo_set_features = qlcnic_set_features,
af19b491 258 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 259 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
260 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
af19b491
AKS		 261#ifdef CONFIG_NET_POLL_CONTROLLER
262 .ndo_poll_controller = qlcnic_poll_controller,
263#endif
264};
265
b43e5ee7
SC		 266static const struct net_device_ops qlcnic_netdev_failed_ops = {
267 .ndo_open = qlcnic_open,
268};
269
2e9d722d 270static struct qlcnic_nic_template qlcnic_ops = {
2e9d722d
AC		 271 .config_bridged_mode = qlcnic_config_bridged_mode,
272 .config_led = qlcnic_config_led,
9f26f547
AC		 273 .start_firmware = qlcnic_start_firmware
274};
275
276static struct qlcnic_nic_template qlcnic_vf_ops = {
9f26f547
AC		 277 .config_bridged_mode = qlcnicvf_config_bridged_mode,
278 .config_led = qlcnicvf_config_led,
9f26f547 279 .start_firmware = qlcnicvf_start_firmware
2e9d722d
AC		 280};
281
f94bc1e7 282static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 283{
af19b491 284 struct pci_dev *pdev = adapter->pdev;
f94bc1e7 285 int err = -1;
af19b491
AKS		 286
287 adapter->max_sds_rings = 1;
af19b491 288 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491
AKS		 289 qlcnic_set_msix_bit(pdev, 0);
290
79788450 291 if (adapter->ahw->msix_supported) {
f94bc1e7 292 enable_msix:
af19b491
AKS		 293 qlcnic_init_msix_entries(adapter, num_msix);
294 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
295 if (err == 0) {
296 adapter->flags |= QLCNIC_MSIX_ENABLED;
297 qlcnic_set_msix_bit(pdev, 1);
298
b1fc6d3c 299 adapter->max_sds_rings = num_msix;
af19b491
AKS		 300
301 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 302 return err;
af19b491 303 }
f94bc1e7
SC		 304 if (err > 0) {
305 num_msix = rounddown_pow_of_two(err);
306 if (num_msix)
307 goto enable_msix;
308 }
309 }
310 return err;
311}
af19b491 312
f94bc1e7
SC		 313static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
314{
15087c2b 315 u32 offset, mask_reg;
f94bc1e7 316 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 317 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 318 struct pci_dev *pdev = adapter->pdev;
af19b491
AKS		 319
320 if (use_msi && !pci_enable_msi(pdev)) {
321 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 322 offset = msi_tgt_status[adapter->ahw->pci_func];
323 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
324 offset);
af19b491
AKS		 325 dev_info(&pdev->dev, "using msi interrupts\n");
326 adapter->msix_entries[0].vector = pdev->irq;
327 return;
328 }
329
f94bc1e7 330 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 331 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 332 offset = legacy_intrp->tgt_status_reg;
333 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
334 mask_reg = legacy_intrp->tgt_mask_reg;
335 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
336 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
337 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 338 dev_info(&pdev->dev, "using legacy interrupts\n");
339 adapter->msix_entries[0].vector = pdev->irq;
340}
341
f94bc1e7
SC		 342static void
343qlcnic_setup_intr(struct qlcnic_adapter *adapter)
344{
345 int num_msix;
346
79788450 347 if (adapter->ahw->msix_supported) {
5f6ec29a
SC		 348 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
349 QLCNIC_DEF_NUM_STS_DESC_RINGS));
f94bc1e7
SC		 350 } else
351 num_msix = 1;
352
353 if (!qlcnic_enable_msix(adapter, num_msix))
354 return;
355
356 qlcnic_enable_msi_legacy(adapter);
357}
358
af19b491
AKS		 359static void
360qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
361{
362 if (adapter->flags & QLCNIC_MSIX_ENABLED)
363 pci_disable_msix(adapter->pdev);
364 if (adapter->flags & QLCNIC_MSI_ENABLED)
365 pci_disable_msi(adapter->pdev);
366}
367
368static void
369qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
370{
b1fc6d3c
AC		 371 if (adapter->ahw->pci_base0 != NULL)
372 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 373}
374
bff57d8e 375static int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 376{
e88db3bd 377 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 378 int i, ret = 0, j = 0;
379 u16 act_pci_func;
346fe763
RB		 380 u8 pfn;
381
e88db3bd
DC		 382 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
383 if (!pci_info)
384 return -ENOMEM;
385
bff57d8e
SC		 386 ret = qlcnic_get_pci_info(adapter, pci_info);
387 if (ret)
388 goto err_pci_info;
389
390 act_pci_func = adapter->ahw->act_pci_func;
391
ca315ac2 392 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 393 act_pci_func, GFP_KERNEL);
e88db3bd 394 if (!adapter->npars) {
900853a4 395 ret = -ENOMEM;
e88db3bd
DC		 396 goto err_pci_info;
397 }
346fe763 398
ca315ac2 399 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 400 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
401 if (!adapter->eswitch) {
900853a4 402 ret = -ENOMEM;
ca315ac2 403 goto err_npars;
346fe763
RB		 404 }
405
ca315ac2
DC		 406 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
407 pfn = pci_info[i].id;
bff57d8e 408
0f6efff9 409 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 410 ret = QL_STATUS_INVALID_PARAM;
411 goto err_eswitch;
412 }
bff57d8e
SC		 413
414 if (!pci_info[i].active ||
415 (pci_info[i].type != QLCNIC_TYPE_NIC))
416 continue;
417
418 adapter->npars[j].pci_func = pfn;
419 adapter->npars[j].active = (u8)pci_info[i].active;
420 adapter->npars[j].type = (u8)pci_info[i].type;
421 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
422 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
423 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
424 j++;
346fe763
RB		 425 }
426
ca315ac2
DC		 427 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
428 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
429
e88db3bd 430 kfree(pci_info);
ca315ac2
DC		 431 return 0;
432
433err_eswitch:
346fe763
RB		 434 kfree(adapter->eswitch);
435 adapter->eswitch = NULL;
ca315ac2 436err_npars:
346fe763 437 kfree(adapter->npars);
ca315ac2 438 adapter->npars = NULL;
e88db3bd
DC		 439err_pci_info:
440 kfree(pci_info);
346fe763
RB		 441
442 return ret;
443}
444
2e9d722d
AC		 445static int
446qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
447{
448 u8 id;
449 u32 ref_count;
450 int i, ret = 1;
451 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 452 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d
AC		 453
454 /* If other drivers are not in use set their privilege level */
31018e06 455 ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2e9d722d
AC		 456 ret = qlcnic_api_lock(adapter);
457 if (ret)
458 goto err_lock;
2e9d722d 459
0e33c664 460 if (qlcnic_config_npars) {
bff57d8e
SC		 461 for (i = 0; i < ahw->act_pci_func; i++) {
462 id = adapter->npars[i].pci_func;
463 if (id == ahw->pci_func)
0e33c664
AC		 464 continue;
465 data |= (qlcnic_config_npars &
466 QLC_DEV_SET_DRV(0xf, id));
467 }
468 } else {
bff57d8e
SC		 469 data = QLCRD32(adapter, QLCNIC_DRV_OP_MODE);
470 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 471 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 472 ahw->pci_func));
2e9d722d 473 }
bff57d8e 474 QLCWR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 475 qlcnic_api_unlock(adapter);
476err_lock:
477 return ret;
478}
479
0866d96d
AC		 480static void
481qlcnic_check_vf(struct qlcnic_adapter *adapter)
2e9d722d
AC		 482{
483 void __iomem *msix_base_addr;
484 void __iomem *priv_op;
485 u32 func;
486 u32 msix_base;
487 u32 op_mode, priv_level;
488
489 /* Determine FW API version */
79788450
SC		 490 adapter->ahw->fw_hal_version = readl(adapter->ahw->pci_base0 +
491 QLCNIC_FW_API);
2e9d722d
AC		 492
493 /* Find PCI function number */
494 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
b1fc6d3c 495 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
2e9d722d
AC		 496 msix_base = readl(msix_base_addr);
497 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
b1fc6d3c 498 adapter->ahw->pci_func = func;
2e9d722d
AC		 499
500 /* Determine function privilege level */
b1fc6d3c 501 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
2e9d722d 502 op_mode = readl(priv_op);
0e33c664 503 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 504 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 505 else
b1fc6d3c 506 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 507
0866d96d 508 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 509 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 510 dev_info(&adapter->pdev->dev,
511 "HAL Version: %d Non Privileged function\n",
79788450 512 adapter->ahw->fw_hal_version);
9f26f547 513 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 514 } else
515 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 516}
517
15087c2b
SC		 518#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
519static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
520{
521 switch (dev_id) {
522 case PCI_DEVICE_ID_QLOGIC_QLE824X:
523 *bar = QLCNIC_82XX_BAR0_LENGTH;
524 break;
525 default:
526 *bar = 0;
527 }
528}
529
530static int qlcnic_setup_pci_map(struct pci_dev *pdev,
531 struct qlcnic_hardware_context *ahw)
af19b491 532{
15087c2b 533 u32 offset;
af19b491
AKS		 534 void __iomem *mem_ptr0 = NULL;
535 resource_size_t mem_base;
15087c2b 536 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 537
af19b491
AKS		 538 /* remap phys address */
539 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
540 mem_len = pci_resource_len(pdev, 0);
541
15087c2b
SC		 542 qlcnic_get_bar_length(pdev->device, &bar0_len);
543 if (mem_len >= bar0_len) {
af19b491
AKS		 544
545 mem_ptr0 = pci_ioremap_bar(pdev, 0);
546 if (mem_ptr0 == NULL) {
547 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
548 return -EIO;
549 }
550 pci_len0 = mem_len;
551 } else {
552 return -EIO;
553 }
554
555 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
15087c2b
SC		 556 ahw->pci_base0 = mem_ptr0;
557 ahw->pci_len0 = pci_len0;
558 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
559 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 560
561 return 0;
562}
563
22999798 564static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 565{
566 struct pci_dev *pdev = adapter->pdev;
567 int i, found = 0;
568
569 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
570 if (qlcnic_boards[i].vendor == pdev->vendor &&
571 qlcnic_boards[i].device == pdev->device &&
572 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
573 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 574 sprintf(name, "%pM: %s" ,
575 adapter->mac_addr,
576 qlcnic_boards[i].short_name);
af19b491
AKS		 577 found = 1;
578 break;
579 }
580
581 }
582
583 if (!found)
7f9a0c34 584 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 585}
586
587static void
588qlcnic_check_options(struct qlcnic_adapter *adapter)
589{
031a4a26 590 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 591 struct pci_dev *pdev = adapter->pdev;
031a4a26
SV		 592 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
593
594 prev_fw_version = adapter->fw_version;
af19b491
AKS		 595
596 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
597 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
598 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
599
600 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
601
79788450 602 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 603 if (fw_dump->tmpl_hdr == NULL ||
604 adapter->fw_version > prev_fw_version) {
605 if (fw_dump->tmpl_hdr)
606 vfree(fw_dump->tmpl_hdr);
607 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
608 dev_info(&pdev->dev,
609 "Supports FW dump capability\n");
610 }
611 }
612
251a84c9
AKS		 613 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
614 fw_major, fw_minor, fw_build);
b1fc6d3c 615 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 616 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
617 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
618 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
619 } else {
620 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
621 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
622 }
623
af19b491 624 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 625 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
626
b1fc6d3c 627 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 628 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
629 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 630 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
631 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 632 }
633
79788450 634 adapter->ahw->msix_supported = !!use_msi_x;
af19b491
AKS		 635
636 adapter->num_txd = MAX_CMD_DESCRIPTORS;
637
251b036a 638 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 639}
640
174240a8
RB		 641static int
642qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
643{
644 int err;
645 struct qlcnic_info nic_info;
646
bff57d8e 647 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 648 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 649 if (err)
650 return err;
651
79788450
SC		 652 adapter->ahw->physical_port = (u8)nic_info.phys_port;
653 adapter->ahw->switch_mode = nic_info.switch_mode;
654 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
655 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
656 adapter->ahw->capabilities = nic_info.capabilities;
657 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
658 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 659
79788450 660 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 661 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
662 else
663 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
664
665 return err;
666}
667
ec079a07
SC		 668void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
669 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 670{
671 if (esw_cfg->discard_tagged)
672 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
673 else
674 adapter->flags |= QLCNIC_TAGGING_ENABLED;
675
676 if (esw_cfg->vlan_id)
677 adapter->pvid = esw_cfg->vlan_id;
678 else
679 adapter->pvid = 0;
680}
681
8e586137 682static int
b9796a14
AC		 683qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
684{
685 struct qlcnic_adapter *adapter = netdev_priv(netdev);
686 set_bit(vid, adapter->vlans);
8e586137 687 return 0;
b9796a14
AC		 688}
689
8e586137 690static int
b9796a14
AC		 691qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
692{
693 struct qlcnic_adapter *adapter = netdev_priv(netdev);
694
695 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
696 clear_bit(vid, adapter->vlans);
8e586137 697 return 0;
b9796a14
AC		 698}
699
ec079a07
SC		 700void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
701 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 702{
ee07c1a7
RB		 703 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
704 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 705
706 if (esw_cfg->mac_anti_spoof)
707 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 708
7373373d
RB		 709 if (!esw_cfg->mac_override)
710 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
711
ee07c1a7
RB		 712 if (!esw_cfg->promisc_mode)
713 adapter->flags |= QLCNIC_PROMISC_DISABLED;
714
0325d69b
RB		 715 qlcnic_set_netdev_features(adapter, esw_cfg);
716}
717
ec079a07 718static int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 719{
720 struct qlcnic_esw_func_cfg esw_cfg;
721
722 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
723 return 0;
724
b1fc6d3c 725 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 726 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
727 return -EIO;
8cf61f89 728 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 729 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
730
731 return 0;
732}
733
734static void
735qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
736 struct qlcnic_esw_func_cfg *esw_cfg)
737{
738 struct net_device *netdev = adapter->netdev;
c8f44aff 739 netdev_features_t features, vlan_features;
0325d69b 740
135d84a9 741 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
0325d69b
RB		 742 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
743 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
b9796a14 744 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
0325d69b 745
79788450 746 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
0325d69b
RB		 747 features |= (NETIF_F_TSO | NETIF_F_TSO6);
748 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
749 }
b56421d0
RB		 750
751 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 752 features |= NETIF_F_LRO;
753
754 if (esw_cfg->offload_flags & BIT_0) {
755 netdev->features |= features;
0325d69b
RB		 756 if (!(esw_cfg->offload_flags & BIT_1))
757 netdev->features &= ~NETIF_F_TSO;
758 if (!(esw_cfg->offload_flags & BIT_2))
759 netdev->features &= ~NETIF_F_TSO6;
760 } else {
761 netdev->features &= ~features;
0325d69b
RB		 762 }
763
764 netdev->vlan_features = (features & vlan_features);
765}
766
0866d96d
AC		 767static int
768qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
769{
770 void __iomem *priv_op;
771 u32 op_mode, priv_level;
772 int err = 0;
773
174240a8
RB		 774 err = qlcnic_initialize_nic(adapter);
775 if (err)
776 return err;
777
0866d96d
AC		 778 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
779 return 0;
780
b1fc6d3c 781 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
0866d96d 782 op_mode = readl(priv_op);
b1fc6d3c 783 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 784
785 if (op_mode == QLC_DEV_DRV_DEFAULT)
786 priv_level = QLCNIC_MGMT_FUNC;
787 else
b1fc6d3c 788 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 789
174240a8 790 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 791 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 792 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 793 err = qlcnic_init_pci_info(adapter);
794 if (err)
795 return err;
796 /* Set privilege level for other functions */
797 qlcnic_set_function_modes(adapter);
798 dev_info(&adapter->pdev->dev,
799 "HAL Version: %d, Management function\n",
79788450 800 adapter->ahw->fw_hal_version);
0866d96d 801 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 802 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 803 dev_info(&adapter->pdev->dev,
804 "HAL Version: %d, Privileged function\n",
79788450 805 adapter->ahw->fw_hal_version);
0866d96d 806 }
174240a8 807 }
0866d96d
AC		 808
809 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
810
811 return err;
812}
813
bff57d8e 814static int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 815{
816 struct qlcnic_esw_func_cfg esw_cfg;
817 struct qlcnic_npar_info *npar;
818 u8 i;
819
174240a8 820 if (adapter->need_fw_reset)
0325d69b
RB		 821 return 0;
822
bff57d8e 823 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 824 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 825 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 826 esw_cfg.mac_override = BIT_0;
ee07c1a7 827 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 828 if (qlcnic_82xx_check(adapter)) {
829 esw_cfg.offload_flags = BIT_0;
830 if (QLCNIC_IS_TSO_CAPABLE(adapter))
831 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
832 }
0325d69b
RB		 833 if (qlcnic_config_switch_port(adapter, &esw_cfg))
834 return -EIO;
835 npar = &adapter->npars[i];
836 npar->pvid = esw_cfg.vlan_id;
7373373d 837 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 838 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
839 npar->discard_tagged = esw_cfg.discard_tagged;
840 npar->promisc_mode = esw_cfg.promisc_mode;
841 npar->offload_flags = esw_cfg.offload_flags;
842 }
843
844 return 0;
845}
846
4e8acb01
RB		 847static int
848qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
849 struct qlcnic_npar_info *npar, int pci_func)
850{
851 struct qlcnic_esw_func_cfg esw_cfg;
852 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
853 esw_cfg.pci_func = pci_func;
854 esw_cfg.vlan_id = npar->pvid;
7373373d 855 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 856 esw_cfg.discard_tagged = npar->discard_tagged;
857 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
858 esw_cfg.offload_flags = npar->offload_flags;
859 esw_cfg.promisc_mode = npar->promisc_mode;
860 if (qlcnic_config_switch_port(adapter, &esw_cfg))
861 return -EIO;
862
863 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
864 if (qlcnic_config_switch_port(adapter, &esw_cfg))
865 return -EIO;
866
867 return 0;
868}
869
bff57d8e 870static int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 871{
4e8acb01 872 int i, err;
cea8975e
AC		 873 struct qlcnic_npar_info *npar;
874 struct qlcnic_info nic_info;
bff57d8e 875 u8 pci_func;
cea8975e 876
bff57d8e
SC		 877 if (qlcnic_82xx_check(adapter))
878 if (!adapter->need_fw_reset)
879 return 0;
cea8975e 880
4e8acb01 881 /* Set the NPAR config data after FW reset */
bff57d8e 882 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 883 npar = &adapter->npars[i];
bff57d8e
SC		 884 pci_func = npar->pci_func;
885 memset(&nic_info, 0, sizeof(struct qlcnic_info));
886 err = qlcnic_get_nic_info(adapter,
887 &nic_info, pci_func);
4e8acb01
RB		 888 if (err)
889 return err;
890 nic_info.min_tx_bw = npar->min_bw;
891 nic_info.max_tx_bw = npar->max_bw;
892 err = qlcnic_set_nic_info(adapter, &nic_info);
893 if (err)
894 return err;
cea8975e 895
4e8acb01
RB		 896 if (npar->enable_pm) {
897 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 898 npar->dest_npar, 1,
899 pci_func);
4e8acb01
RB		 900 if (err)
901 return err;
cea8975e 902 }
bff57d8e 903 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 904 if (err)
905 return err;
cea8975e 906 }
4e8acb01 907 return 0;
cea8975e
AC		 908}
909
78f84e1a
AKS		 910static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
911{
912 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
913 u32 npar_state;
914
79788450 915 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 916 return 0;
917
918 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
919 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
920 msleep(1000);
921 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
922 }
923 if (!npar_opt_timeo) {
924 dev_err(&adapter->pdev->dev,
925 "Waiting for NPAR state to opertional timeout\n");
926 return -EIO;
927 }
928 return 0;
929}
930
174240a8
RB		 931static int
932qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
933{
934 int err;
935
936 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 937 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 938 return 0;
939
940 err = qlcnic_set_default_offload_settings(adapter);
941 if (err)
942 return err;
943
944 err = qlcnic_reset_npar_config(adapter);
945 if (err)
946 return err;
947
948 qlcnic_dev_set_npar_ready(adapter);
949
950 return err;
951}
952
af19b491
AKS		 953static int
954qlcnic_start_firmware(struct qlcnic_adapter *adapter)
955{
d4066833 956 int err;
af19b491 957
aa5e18c0
SC		 958 err = qlcnic_can_start_firmware(adapter);
959 if (err < 0)
960 return err;
961 else if (!err)
d4066833 962 goto check_fw_status;
af19b491 963
4d5bdb38
AKS		 964 if (load_fw_file)
965 qlcnic_request_firmware(adapter);
8f891387 966 else {
8cfdce08
SC		 967 err = qlcnic_check_flash_fw_ver(adapter);
968 if (err)
8f891387 969 goto err_out;
970
79788450 971 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 972 }
af19b491
AKS		 973
974 err = qlcnic_need_fw_reset(adapter);
af19b491 975 if (err == 0)
4e70812b 976 goto check_fw_status;
af19b491 977
d4066833
SC		 978 err = qlcnic_pinit_from_rom(adapter);
979 if (err)
980 goto err_out;
af19b491
AKS		 981
982 err = qlcnic_load_firmware(adapter);
983 if (err)
984 goto err_out;
985
986 qlcnic_release_firmware(adapter);
d4066833 987 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 988
d4066833
SC		 989check_fw_status:
990 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 991 if (err)
992 goto err_out;
993
994 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 995 qlcnic_idc_debug_info(adapter, 1);
b18971d1 996
0866d96d
AC		 997 err = qlcnic_check_eswitch_mode(adapter);
998 if (err) {
999 dev_err(&adapter->pdev->dev,
1000 "Memory allocation failed for eswitch\n");
1001 goto err_out;
1002 }
174240a8
RB		 1003 err = qlcnic_set_mgmt_operations(adapter);
1004 if (err)
1005 goto err_out;
1006
1007 qlcnic_check_options(adapter);
af19b491
AKS		 1008 adapter->need_fw_reset = 0;
1009
a7fc948f
AKS		 1010 qlcnic_release_firmware(adapter);
1011 return 0;
af19b491
AKS		 1012
1013err_out:
a7fc948f
AKS		 1014 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1015 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1016
af19b491
AKS		 1017 qlcnic_release_firmware(adapter);
1018 return err;
1019}
1020
1021static int
1022qlcnic_request_irq(struct qlcnic_adapter *adapter)
1023{
1024 irq_handler_t handler;
1025 struct qlcnic_host_sds_ring *sds_ring;
1026 int err, ring;
1027
1028 unsigned long flags = 0;
1029 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1030 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1031
79788450 1032 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
7eb9855d
AKS		 1033 handler = qlcnic_tmp_intr;
1034 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1035 flags |= IRQF_SHARED;
1036
1037 } else {
1038 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1039 handler = qlcnic_msix_intr;
1040 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1041 handler = qlcnic_msi_intr;
1042 else {
1043 flags |= IRQF_SHARED;
1044 handler = qlcnic_intr;
1045 }
af19b491
AKS		 1046 }
1047 adapter->irq = netdev->irq;
1048
1049 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1050 sds_ring = &recv_ctx->sds_rings[ring];
1051 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1052 err = request_irq(sds_ring->irq, handler,
1053 flags, sds_ring->name, sds_ring);
1054 if (err)
1055 return err;
1056 }
1057
1058 return 0;
1059}
1060
1061static void
1062qlcnic_free_irq(struct qlcnic_adapter *adapter)
1063{
1064 int ring;
1065 struct qlcnic_host_sds_ring *sds_ring;
1066
b1fc6d3c 1067 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491
AKS		 1068
1069 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1070 sds_ring = &recv_ctx->sds_rings[ring];
1071 free_irq(sds_ring->irq, sds_ring);
1072 }
1073}
1074
af19b491
AKS		 1075static int
1076__qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1077{
8a15ad1f 1078 int ring;
cae82d49
RB		 1079 u32 capab2;
1080
8a15ad1f
AKS		 1081 struct qlcnic_host_rds_ring *rds_ring;
1082
af19b491
AKS		 1083 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1084 return -EIO;
1085
8a15ad1f
AKS		 1086 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1087 return 0;
0325d69b
RB		 1088 if (qlcnic_set_eswitch_port_config(adapter))
1089 return -EIO;
8a15ad1f 1090
79788450 1091 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1092 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1093 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1094 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1095 }
1096
8a15ad1f
AKS		 1097 if (qlcnic_fw_create_ctx(adapter))
1098 return -EIO;
1099
1100 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c
AC		 1101 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1102 qlcnic_post_rx_buffers(adapter, rds_ring);
8a15ad1f
AKS		 1103 }
1104
af19b491
AKS		 1105 qlcnic_set_multi(netdev);
1106 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1107
b1fc6d3c 1108 adapter->ahw->linkup = 0;
af19b491
AKS		 1109
1110 if (adapter->max_sds_rings > 1)
1111 qlcnic_config_rss(adapter, 1);
1112
1113 qlcnic_config_intr_coalesce(adapter);
1114
24763d80 1115 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1116 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1117
1118 qlcnic_napi_enable(adapter);
1119
1120 qlcnic_linkevent_request(adapter, 1);
1121
79788450 1122 adapter->ahw->reset_context = 0;
af19b491
AKS		 1123 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1124 return 0;
1125}
1126
1127/* Usage: During resume and firmware recovery module.*/
1128
1129static int
1130qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1131{
1132 int err = 0;
1133
1134 rtnl_lock();
1135 if (netif_running(netdev))
1136 err = __qlcnic_up(adapter, netdev);
1137 rtnl_unlock();
1138
1139 return err;
1140}
1141
1142static void
1143__qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1144{
1145 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1146 return;
1147
1148 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1149 return;
1150
1151 smp_mb();
1152 spin_lock(&adapter->tx_clean_lock);
1153 netif_carrier_off(netdev);
1154 netif_tx_disable(netdev);
1155
1156 qlcnic_free_mac_list(adapter);
1157
b5e5492c
AKS		 1158 if (adapter->fhash.fnum)
1159 qlcnic_delete_lb_filters(adapter);
1160
af19b491
AKS		 1161 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1162
1163 qlcnic_napi_disable(adapter);
1164
8a15ad1f 1165 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1166 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1167
1168 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1169 qlcnic_release_tx_buffers(adapter);
1170 spin_unlock(&adapter->tx_clean_lock);
1171}
1172
1173/* Usage: During suspend and firmware recovery module */
1174
1175static void
1176qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1177{
1178 rtnl_lock();
1179 if (netif_running(netdev))
1180 __qlcnic_down(adapter, netdev);
1181 rtnl_unlock();
1182
1183}
1184
1185static int
1186qlcnic_attach(struct qlcnic_adapter *adapter)
1187{
1188 struct net_device *netdev = adapter->netdev;
1189 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1190 int err;
af19b491
AKS		 1191
1192 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1193 return 0;
1194
af19b491
AKS		 1195 err = qlcnic_napi_add(adapter, netdev);
1196 if (err)
1197 return err;
1198
1199 err = qlcnic_alloc_sw_resources(adapter);
1200 if (err) {
1201 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1202 goto err_out_napi_del;
af19b491
AKS		 1203 }
1204
1205 err = qlcnic_alloc_hw_resources(adapter);
1206 if (err) {
1207 dev_err(&pdev->dev, "Error in setting hw resources\n");
1208 goto err_out_free_sw;
1209 }
1210
af19b491
AKS		 1211 err = qlcnic_request_irq(adapter);
1212 if (err) {
1213 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1214 goto err_out_free_hw;
af19b491
AKS		 1215 }
1216
af19b491
AKS		 1217 qlcnic_create_sysfs_entries(adapter);
1218
1219 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1220 return 0;
1221
8a15ad1f 1222err_out_free_hw:
af19b491
AKS		 1223 qlcnic_free_hw_resources(adapter);
1224err_out_free_sw:
1225 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1226err_out_napi_del:
1227 qlcnic_napi_del(adapter);
af19b491
AKS		 1228 return err;
1229}
1230
1231static void
1232qlcnic_detach(struct qlcnic_adapter *adapter)
1233{
1234 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1235 return;
1236
1237 qlcnic_remove_sysfs_entries(adapter);
1238
1239 qlcnic_free_hw_resources(adapter);
1240 qlcnic_release_rx_buffers(adapter);
1241 qlcnic_free_irq(adapter);
1242 qlcnic_napi_del(adapter);
1243 qlcnic_free_sw_resources(adapter);
1244
1245 adapter->is_up = 0;
1246}
1247
7eb9855d
AKS		 1248void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1249{
1250 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1251 struct qlcnic_host_sds_ring *sds_ring;
1252 int ring;
1253
78ad3892 1254 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1255 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1256 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1257 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1258 qlcnic_disable_int(sds_ring);
1259 }
7eb9855d
AKS		 1260 }
1261
8a15ad1f
AKS		 1262 qlcnic_fw_destroy_ctx(adapter);
1263
7eb9855d
AKS		 1264 qlcnic_detach(adapter);
1265
79788450 1266 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1267 adapter->max_sds_rings = max_sds_rings;
1268
1269 if (qlcnic_attach(adapter))
34ce3626 1270 goto out;
7eb9855d
AKS		 1271
1272 if (netif_running(netdev))
1273 __qlcnic_up(adapter, netdev);
34ce3626 1274out:
7eb9855d
AKS		 1275 netif_device_attach(netdev);
1276}
1277
b1fc6d3c
AC		 1278static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1279{
1280 int err = 0;
1281 adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1282 GFP_KERNEL);
1283 if (!adapter->ahw) {
1284 dev_err(&adapter->pdev->dev,
1285 "Failed to allocate recv ctx resources for adapter\n");
1286 err = -ENOMEM;
1287 goto err_out;
1288 }
1289 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1290 GFP_KERNEL);
1291 if (!adapter->recv_ctx) {
1292 dev_err(&adapter->pdev->dev,
1293 "Failed to allocate recv ctx resources for adapter\n");
1294 kfree(adapter->ahw);
1295 adapter->ahw = NULL;
1296 err = -ENOMEM;
8816d009 1297 goto err_out;
b1fc6d3c 1298 }
8816d009
AC		 1299 /* Initialize interrupt coalesce parameters */
1300 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1301 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1302 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
b1fc6d3c
AC		 1303err_out:
1304 return err;
1305}
1306
1307static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1308{
1309 kfree(adapter->recv_ctx);
1310 adapter->recv_ctx = NULL;
1311
18f2f616
AC		 1312 if (adapter->ahw->fw_dump.tmpl_hdr) {
1313 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1314 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1315 }
b1fc6d3c
AC		 1316 kfree(adapter->ahw);
1317 adapter->ahw = NULL;
1318}
1319
7eb9855d
AKS		 1320int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1321{
1322 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1323 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1324 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1325 int ring;
1326 int ret;
1327
1328 netif_device_detach(netdev);
1329
1330 if (netif_running(netdev))
1331 __qlcnic_down(adapter, netdev);
1332
1333 qlcnic_detach(adapter);
1334
1335 adapter->max_sds_rings = 1;
79788450 1336 adapter->ahw->diag_test = test;
7eb9855d
AKS		 1337
1338 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1339 if (ret) {
1340 netif_device_attach(netdev);
7eb9855d 1341 return ret;
34ce3626 1342 }
7eb9855d 1343
8a15ad1f
AKS		 1344 ret = qlcnic_fw_create_ctx(adapter);
1345 if (ret) {
1346 qlcnic_detach(adapter);
57e46248 1347 netif_device_attach(netdev);
8a15ad1f
AKS		 1348 return ret;
1349 }
1350
1351 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c
AC		 1352 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1353 qlcnic_post_rx_buffers(adapter, rds_ring);
8a15ad1f
AKS		 1354 }
1355
79788450 1356 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1357 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1358 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1359 qlcnic_enable_int(sds_ring);
1360 }
7eb9855d 1361 }
22c8c934 1362
79788450 1363 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1364 adapter->ahw->loopback_state = 0;
1365 qlcnic_linkevent_request(adapter, 1);
1366 }
1367
78ad3892 1368 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1369
1370 return 0;
1371}
1372
68bf1c68
AKS		 1373/* Reset context in hardware only */
1374static int
1375qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1376{
1377 struct net_device *netdev = adapter->netdev;
1378
1379 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1380 return -EBUSY;
1381
1382 netif_device_detach(netdev);
1383
1384 qlcnic_down(adapter, netdev);
1385
1386 qlcnic_up(adapter, netdev);
1387
1388 netif_device_attach(netdev);
1389
1390 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1391 return 0;
1392}
1393
af19b491
AKS		 1394int
1395qlcnic_reset_context(struct qlcnic_adapter *adapter)
1396{
1397 int err = 0;
1398 struct net_device *netdev = adapter->netdev;
1399
1400 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1401 return -EBUSY;
1402
1403 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1404
1405 netif_device_detach(netdev);
1406
1407 if (netif_running(netdev))
1408 __qlcnic_down(adapter, netdev);
1409
1410 qlcnic_detach(adapter);
1411
1412 if (netif_running(netdev)) {
1413 err = qlcnic_attach(adapter);
1d5c88e3 1414 if (!err) {
34ce3626 1415 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1416 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1417 }
af19b491
AKS		 1418 }
1419
1420 netif_device_attach(netdev);
1421 }
1422
af19b491
AKS		 1423 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1424 return err;
1425}
1426
1427static int
5ad6ff9d
SC		 1428qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1429 int pci_using_dac)
af19b491
AKS		 1430{
1431 int err;
1432 struct pci_dev *pdev = adapter->pdev;
1433
79788450
SC		 1434 adapter->ahw->mc_enabled = 0;
1435 adapter->ahw->max_mc_count = 38;
af19b491
AKS		 1436
1437 netdev->netdev_ops = &qlcnic_netdev_ops;
ef71ff83 1438 netdev->watchdog_timeo = 5*HZ;
af19b491
AKS		 1439
1440 qlcnic_change_mtu(netdev, netdev->mtu);
1441
1442 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1443
135d84a9
MM		 1444 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1445 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
ac8d0c4f 1446
79788450 1447 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
135d84a9 1448 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
5ad6ff9d 1449 if (pci_using_dac == 1)
135d84a9 1450 netdev->hw_features |= NETIF_F_HIGHDMA;
af19b491 1451
135d84a9 1452 netdev->vlan_features = netdev->hw_features;
af19b491 1453
79788450 1454 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
135d84a9 1455 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
79788450 1456 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
135d84a9
MM		 1457 netdev->hw_features |= NETIF_F_LRO;
1458
1459 netdev->features |= netdev->hw_features |
1460 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1461
af19b491
AKS		 1462 netdev->irq = adapter->msix_entries[0].vector;
1463
af19b491
AKS		 1464 err = register_netdev(netdev);
1465 if (err) {
1466 dev_err(&pdev->dev, "failed to register net device\n");
1467 return err;
1468 }
1469
1470 return 0;
1471}
1472
5ad6ff9d 1473static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1474{
1475 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1476 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1477 *pci_using_dac = 1;
1478 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1479 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1480 *pci_using_dac = 0;
1481 else {
1482 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1483 return -EIO;
1484 }
1485
1486 return 0;
1487}
1488
f94bc1e7
SC		 1489static int
1490qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1491{
1492 adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1493 GFP_KERNEL);
1494
1495 if (adapter->msix_entries)
1496 return 0;
1497
1498 dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1499 return -ENOMEM;
1500}
1501
6bb58bb0 1502static int
af19b491
AKS		 1503qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1504{
1505 struct net_device *netdev = NULL;
1506 struct qlcnic_adapter *adapter = NULL;
5ad6ff9d 1507 int err, pci_using_dac = -1;
af19b491 1508 uint8_t revision_id;
22999798 1509 char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1510
1511 err = pci_enable_device(pdev);
1512 if (err)
1513 return err;
1514
1515 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1516 err = -ENODEV;
1517 goto err_out_disable_pdev;
1518 }
1519
1bb09fb9
AKS		 1520 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1521 if (err)
1522 goto err_out_disable_pdev;
1523
af19b491
AKS		 1524 err = pci_request_regions(pdev, qlcnic_driver_name);
1525 if (err)
1526 goto err_out_disable_pdev;
1527
1528 pci_set_master(pdev);
451724c8 1529 pci_enable_pcie_error_reporting(pdev);
af19b491
AKS		 1530
1531 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1532 if (!netdev) {
af19b491
AKS		 1533 err = -ENOMEM;
1534 goto err_out_free_res;
1535 }
1536
1537 SET_NETDEV_DEV(netdev, &pdev->dev);
1538
1539 adapter = netdev_priv(netdev);
1540 adapter->netdev = netdev;
1541 adapter->pdev = pdev;
af19b491 1542
2dfc9671
PST		 1543 err = qlcnic_alloc_adapter_resources(adapter);
1544 if (err)
b1fc6d3c
AC		 1545 goto err_out_free_netdev;
1546
1547 adapter->dev_rst_time = jiffies;
af19b491 1548 revision_id = pdev->revision;
b1fc6d3c 1549 adapter->ahw->revision_id = revision_id;
e5dcf6dc 1550 adapter->mac_learn = qlcnic_mac_learn;
af19b491 1551
b1fc6d3c
AC		 1552 rwlock_init(&adapter->ahw->crb_lock);
1553 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1554
1555 spin_lock_init(&adapter->tx_clean_lock);
1556 INIT_LIST_HEAD(&adapter->mac_list);
1557
15087c2b 1558 err = qlcnic_setup_pci_map(pdev, adapter->ahw);
af19b491 1559 if (err)
b1fc6d3c 1560 goto err_out_free_hw;
15087c2b 1561 qlcnic_check_vf(adapter);
af19b491
AKS		 1562
1563 /* This will be reset for mezz cards */
b1fc6d3c 1564 adapter->portnum = adapter->ahw->pci_func;
af19b491
AKS		 1565
1566 err = qlcnic_get_board_info(adapter);
1567 if (err) {
1568 dev_err(&pdev->dev, "Error getting board config info.\n");
1569 goto err_out_iounmap;
1570 }
1571
8cfdce08
SC		 1572 err = qlcnic_setup_idc_param(adapter);
1573 if (err)
b3a24649 1574 goto err_out_iounmap;
af19b491 1575
1dc0f3c5 1576 adapter->flags |= QLCNIC_NEED_FLR;
b0044bcf 1577
9f26f547 1578 err = adapter->nic_ops->start_firmware(adapter);
a7fc948f 1579 if (err) {
b43e5ee7
SC		 1580 dev_err(&pdev->dev, "Loading fw failed. Please Reboot\n"
1581 "\t\tIf reboot doesn't help, try flashing the card\n");
1582 goto err_out_maintenance_mode;
a7fc948f 1583 }
af19b491 1584
da48e6c3
RB		 1585 if (qlcnic_read_mac_addr(adapter))
1586 dev_warn(&pdev->dev, "failed to read mac addr\n");
1587
1588 if (adapter->portnum == 0) {
22999798 1589 qlcnic_get_board_name(adapter, board_name);
da48e6c3 1590 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1591 module_name(THIS_MODULE),
1592 board_name, adapter->ahw->revision_id);
da48e6c3
RB		 1593 }
1594
af19b491
AKS		 1595 qlcnic_clear_stats(adapter);
1596
79788450 1597 err = qlcnic_alloc_msix_entries(adapter, adapter->ahw->max_rx_ques);
f94bc1e7
SC		 1598 if (err)
1599 goto err_out_decr_ref;
1600
af19b491
AKS		 1601 qlcnic_setup_intr(adapter);
1602
1bb09fb9 1603 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491
AKS		 1604 if (err)
1605 goto err_out_disable_msi;
1606
1607 pci_set_drvdata(pdev, adapter);
1608
97ee45eb
SC		 1609 if (qlcnic_82xx_check(adapter))
1610 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1611 FW_POLL_DELAY);
af19b491 1612
b1fc6d3c 1613 switch (adapter->ahw->port_type) {
af19b491
AKS		 1614 case QLCNIC_GBE:
1615 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1616 adapter->netdev->name);
1617 break;
1618 case QLCNIC_XGBE:
1619 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1620 adapter->netdev->name);
1621 break;
1622 }
1623
e5dcf6dc
SC		 1624 if (adapter->mac_learn)
1625 qlcnic_alloc_lb_filters_mem(adapter);
1626
af19b491
AKS		 1627 qlcnic_create_diag_entries(adapter);
1628
1629 return 0;
1630
1631err_out_disable_msi:
1632 qlcnic_teardown_intr(adapter);
f94bc1e7 1633 kfree(adapter->msix_entries);
af19b491
AKS		 1634
1635err_out_decr_ref:
21854f02 1636 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1637
1638err_out_iounmap:
1639 qlcnic_cleanup_pci_map(adapter);
1640
b1fc6d3c
AC		 1641err_out_free_hw:
1642 qlcnic_free_adapter_resources(adapter);
1643
af19b491
AKS		 1644err_out_free_netdev:
1645 free_netdev(netdev);
1646
1647err_out_free_res:
1648 pci_release_regions(pdev);
1649
1650err_out_disable_pdev:
1651 pci_set_drvdata(pdev, NULL);
1652 pci_disable_device(pdev);
1653 return err;
b43e5ee7
SC		 1654
1655err_out_maintenance_mode:
1656 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
1657 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
1658 err = register_netdev(netdev);
1659 if (err) {
1660 dev_err(&pdev->dev, "failed to register net device\n");
1661 goto err_out_decr_ref;
1662 }
1663 pci_set_drvdata(pdev, adapter);
1664 qlcnic_create_diag_entries(adapter);
1665 return 0;
af19b491
AKS		 1666}
1667
6bb58bb0 1668static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 1669{
1670 struct qlcnic_adapter *adapter;
1671 struct net_device *netdev;
1672
1673 adapter = pci_get_drvdata(pdev);
1674 if (adapter == NULL)
1675 return;
1676
1677 netdev = adapter->netdev;
1678
1679 qlcnic_cancel_fw_work(adapter);
1680
1681 unregister_netdev(netdev);
1682
af19b491
AKS		 1683 qlcnic_detach(adapter);
1684
2e9d722d
AC		 1685 if (adapter->npars != NULL)
1686 kfree(adapter->npars);
1687 if (adapter->eswitch != NULL)
1688 kfree(adapter->eswitch);
1689
97ee45eb
SC		 1690 if (qlcnic_82xx_check(adapter))
1691 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1692
1693 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1694
b5e5492c
AKS		 1695 qlcnic_free_lb_filters_mem(adapter);
1696
af19b491 1697 qlcnic_teardown_intr(adapter);
f94bc1e7 1698 kfree(adapter->msix_entries);
af19b491
AKS		 1699
1700 qlcnic_remove_diag_entries(adapter);
1701
1702 qlcnic_cleanup_pci_map(adapter);
1703
1704 qlcnic_release_firmware(adapter);
1705
451724c8 1706 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 1707 pci_release_regions(pdev);
1708 pci_disable_device(pdev);
1709 pci_set_drvdata(pdev, NULL);
1710
b1fc6d3c 1711 qlcnic_free_adapter_resources(adapter);
af19b491
AKS		 1712 free_netdev(netdev);
1713}
1714static int __qlcnic_shutdown(struct pci_dev *pdev)
1715{
1716 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1717 struct net_device *netdev = adapter->netdev;
1718 int retval;
1719
1720 netif_device_detach(netdev);
1721
1722 qlcnic_cancel_fw_work(adapter);
1723
1724 if (netif_running(netdev))
1725 qlcnic_down(adapter, netdev);
1726
97ee45eb
SC		 1727 if (qlcnic_82xx_check(adapter))
1728 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1729
1730 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1731
1732 retval = pci_save_state(pdev);
1733 if (retval)
1734 return retval;
1735
97ee45eb
SC		 1736 if (qlcnic_82xx_check(adapter)) {
1737 if (qlcnic_wol_supported(adapter)) {
1738 pci_enable_wake(pdev, PCI_D3cold, 1);
1739 pci_enable_wake(pdev, PCI_D3hot, 1);
1740 }
af19b491
AKS		 1741 }
1742
1743 return 0;
1744}
1745
1746static void qlcnic_shutdown(struct pci_dev *pdev)
1747{
1748 if (__qlcnic_shutdown(pdev))
1749 return;
1750
1751 pci_disable_device(pdev);
1752}
1753
1754#ifdef CONFIG_PM
1755static int
1756qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1757{
1758 int retval;
1759
1760 retval = __qlcnic_shutdown(pdev);
1761 if (retval)
1762 return retval;
1763
1764 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1765 return 0;
1766}
1767
1768static int
1769qlcnic_resume(struct pci_dev *pdev)
1770{
1771 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1772 struct net_device *netdev = adapter->netdev;
1773 int err;
1774
1775 err = pci_enable_device(pdev);
1776 if (err)
1777 return err;
1778
1779 pci_set_power_state(pdev, PCI_D0);
1780 pci_set_master(pdev);
1781 pci_restore_state(pdev);
1782
9f26f547 1783 err = adapter->nic_ops->start_firmware(adapter);
af19b491
AKS		 1784 if (err) {
1785 dev_err(&pdev->dev, "failed to start firmware\n");
1786 return err;
1787 }
1788
1789 if (netif_running(netdev)) {
af19b491
AKS		 1790 err = qlcnic_up(adapter, netdev);
1791 if (err)
52486a3a 1792 goto done;
af19b491 1793
aec1e845 1794 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 1795 }
52486a3a 1796done:
af19b491
AKS		 1797 netif_device_attach(netdev);
1798 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1799 return 0;
af19b491
AKS		 1800}
1801#endif
1802
1803static int qlcnic_open(struct net_device *netdev)
1804{
1805 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b43e5ee7 1806 u32 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491
AKS		 1807 int err;
1808
b43e5ee7
SC		 1809 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
1810 netdev_err(netdev, "Device in FAILED state\n");
1811 return -EIO;
1812 }
1813
c55ad8e5
AKS		 1814 netif_carrier_off(netdev);
1815
af19b491
AKS		 1816 err = qlcnic_attach(adapter);
1817 if (err)
1818 return err;
1819
1820 err = __qlcnic_up(adapter, netdev);
1821 if (err)
1822 goto err_out;
1823
1824 netif_start_queue(netdev);
1825
1826 return 0;
1827
1828err_out:
1829 qlcnic_detach(adapter);
1830 return err;
1831}
1832
1833/*
1834 * qlcnic_close - Disables a network interface entry point
1835 */
1836static int qlcnic_close(struct net_device *netdev)
1837{
1838 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1839
1840 __qlcnic_down(adapter, netdev);
1841 return 0;
1842}
1843
e5dcf6dc 1844void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 1845{
1846 void *head;
1847 int i;
1848
e5dcf6dc 1849 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 1850 return;
1851
1852 spin_lock_init(&adapter->mac_learn_lock);
1853
1854 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1855 GFP_KERNEL);
1856 if (!head)
1857 return;
1858
1859 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
43d620c8 1860 adapter->fhash.fhead = head;
b5e5492c
AKS		 1861
1862 for (i = 0; i < adapter->fhash.fmax; i++)
1863 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1864}
1865
1866static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1867{
1868 if (adapter->fhash.fmax && adapter->fhash.fhead)
1869 kfree(adapter->fhash.fhead);
1870
1871 adapter->fhash.fhead = NULL;
1872 adapter->fhash.fmax = 0;
1873}
1874
af19b491
AKS		 1875static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
1876{
1877 struct net_device *netdev = adapter->netdev;
97ee45eb 1878 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 1879 int rv = 0;
1880
97ee45eb
SC		 1881 if (qlcnic_82xx_check(adapter))
1882 temp = QLCRD32(adapter, CRB_TEMP_STATE);
af19b491
AKS		 1883
1884 temp_state = qlcnic_get_temp_state(temp);
1885 temp_val = qlcnic_get_temp_val(temp);
1886
1887 if (temp_state == QLCNIC_TEMP_PANIC) {
1888 dev_err(&netdev->dev,
1889 "Device temperature %d degrees C exceeds"
1890 " maximum allowed. Hardware has been shut down.\n",
1891 temp_val);
1892 rv = 1;
1893 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 1894 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 1895 dev_err(&netdev->dev,
1896 "Device temperature %d degrees C "
1897 "exceeds operating range."
1898 " Immediate action needed.\n",
1899 temp_val);
1900 }
1901 } else {
79788450 1902 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 1903 dev_info(&netdev->dev,
1904 "Device temperature is now %d degrees C"
1905 " in normal range.\n", temp_val);
1906 }
1907 }
79788450 1908 adapter->ahw->temp = temp_state;
af19b491
AKS		 1909 return rv;
1910}
1911
af19b491
AKS		 1912static void qlcnic_tx_timeout(struct net_device *netdev)
1913{
1914 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1915
1916 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1917 return;
1918
1919 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 1920
1921 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 1922 adapter->need_fw_reset = 1;
1923 else
79788450 1924 adapter->ahw->reset_context = 1;
af19b491
AKS		 1925}
1926
1927static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
1928{
1929 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1930 struct net_device_stats *stats = &netdev->stats;
1931
af19b491
AKS		 1932 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
1933 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 1934 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 1935 stats->tx_bytes = adapter->stats.txbytes;
1936 stats->rx_dropped = adapter->stats.rxdropped;
1937 stats->tx_dropped = adapter->stats.txdropped;
1938
1939 return stats;
1940}
1941
7eb9855d 1942static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 1943{
af19b491
AKS		 1944 u32 status;
1945
1946 status = readl(adapter->isr_int_vec);
1947
79788450 1948 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 1949 return IRQ_NONE;
1950
1951 /* check interrupt state machine, to be sure */
1952 status = readl(adapter->crb_int_state_reg);
1953 if (!ISR_LEGACY_INT_TRIGGERED(status))
1954 return IRQ_NONE;
1955
1956 writel(0xffffffff, adapter->tgt_status_reg);
1957 /* read twice to ensure write is flushed */
1958 readl(adapter->isr_int_vec);
1959 readl(adapter->isr_int_vec);
1960
7eb9855d
AKS		 1961 return IRQ_HANDLED;
1962}
1963
1964static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
1965{
1966 struct qlcnic_host_sds_ring *sds_ring = data;
1967 struct qlcnic_adapter *adapter = sds_ring->adapter;
1968
1969 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1970 goto done;
1971 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
1972 writel(0xffffffff, adapter->tgt_status_reg);
1973 goto done;
1974 }
1975
1976 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
1977 return IRQ_NONE;
1978
1979done:
79788450 1980 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 1981 qlcnic_enable_int(sds_ring);
1982 return IRQ_HANDLED;
1983}
1984
1985static irqreturn_t qlcnic_intr(int irq, void *data)
1986{
1987 struct qlcnic_host_sds_ring *sds_ring = data;
1988 struct qlcnic_adapter *adapter = sds_ring->adapter;
1989
1990 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
1991 return IRQ_NONE;
1992
af19b491
AKS		 1993 napi_schedule(&sds_ring->napi);
1994
1995 return IRQ_HANDLED;
1996}
1997
1998static irqreturn_t qlcnic_msi_intr(int irq, void *data)
1999{
2000 struct qlcnic_host_sds_ring *sds_ring = data;
2001 struct qlcnic_adapter *adapter = sds_ring->adapter;
2002
2003 /* clear interrupt */
2004 writel(0xffffffff, adapter->tgt_status_reg);
2005
2006 napi_schedule(&sds_ring->napi);
2007 return IRQ_HANDLED;
2008}
2009
2010static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2011{
2012 struct qlcnic_host_sds_ring *sds_ring = data;
2013
2014 napi_schedule(&sds_ring->napi);
2015 return IRQ_HANDLED;
2016}
2017
af19b491
AKS		 2018#ifdef CONFIG_NET_POLL_CONTROLLER
2019static void qlcnic_poll_controller(struct net_device *netdev)
2020{
bf82791e
YL		 2021 int ring;
2022 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2023 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2024 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2025
af19b491 2026 disable_irq(adapter->irq);
bf82791e
YL		 2027 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2028 sds_ring = &recv_ctx->sds_rings[ring];
2029 qlcnic_intr(adapter->irq, sds_ring);
2030 }
af19b491
AKS		 2031 enable_irq(adapter->irq);
2032}
2033#endif
2034
6df900e9
SC		 2035static void
2036qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2037{
2038 u32 val;
2039
2040 val = adapter->portnum & 0xf;
2041 val |= encoding << 7;
2042 val |= (jiffies - adapter->dev_rst_time) << 8;
2043
2044 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2045 adapter->dev_rst_time = jiffies;
2046}
2047
ade91f8e
AKS		 2048static int
2049qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2050{
2051 u32 val;
2052
2053 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2054 state != QLCNIC_DEV_NEED_QUISCENT);
2055
2056 if (qlcnic_api_lock(adapter))
ade91f8e 2057 return -EIO;
af19b491
AKS		 2058
2059 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2060
2061 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2062 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2063 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2064 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491
AKS		 2065
2066 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2067
2068 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2069
2070 return 0;
af19b491
AKS		 2071}
2072
1b95a839
AKS		 2073static int
2074qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2075{
2076 u32 val;
2077
2078 if (qlcnic_api_lock(adapter))
2079 return -EBUSY;
2080
2081 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2082 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
1b95a839
AKS		 2083 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2084
2085 qlcnic_api_unlock(adapter);
2086
2087 return 0;
2088}
2089
af19b491 2090static void
21854f02 2091qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2092{
2093 u32 val;
2094
2095 if (qlcnic_api_lock(adapter))
2096 goto err;
2097
31018e06 2098 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2099 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
31018e06 2100 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2101
21854f02
AKS		 2102 if (failed) {
2103 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2104 dev_info(&adapter->pdev->dev,
2105 "Device state set to Failed. Please Reboot\n");
2106 } else if (!(val & 0x11111111))
af19b491
AKS		 2107 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2108
2109 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2110 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
af19b491
AKS		 2111 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2112
2113 qlcnic_api_unlock(adapter);
2114err:
2115 adapter->fw_fail_cnt = 0;
032a13c7 2116 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2117 clear_bit(__QLCNIC_START_FW, &adapter->state);
2118 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2119}
2120
f73dfc50 2121/* Grab api lock, before checking state */
af19b491
AKS		 2122static int
2123qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2124{
602ca6f0 2125 int act, state, active_mask;
af19b491
AKS		 2126
2127 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
31018e06 2128 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2129
602ca6f0
SV		 2130 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2131 active_mask = (~(1 << (adapter->ahw->pci_func * 4)));
2132 act = act & active_mask;
2133 }
2134
af19b491
AKS		 2135 if (((state & 0x11111111) == (act & 0x11111111)) ||
2136 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2137 return 0;
2138 else
2139 return 1;
2140}
2141
96f8118c
SC		 2142static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2143{
2144 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2145
2146 if (val != QLCNIC_DRV_IDC_VER) {
2147 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2148 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2149 }
2150
2151 return 0;
2152}
2153
af19b491
AKS		 2154static int
2155qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2156{
2157 u32 val, prev_state;
aa5e18c0 2158 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2159 u8 portnum = adapter->portnum;
96f8118c 2160 u8 ret;
af19b491 2161
f73dfc50
AKS		 2162 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2163 return 1;
2164
af19b491
AKS		 2165 if (qlcnic_api_lock(adapter))
2166 return -1;
2167
31018e06 2168 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2169 if (!(val & (1 << (portnum * 4)))) {
2170 QLC_DEV_SET_REF_CNT(val, portnum);
31018e06 2171 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2172 }
2173
2174 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2175 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2176
2177 switch (prev_state) {
2178 case QLCNIC_DEV_COLD:
bbd8c6a4 2179 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
96f8118c 2180 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
6df900e9 2181 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2182 qlcnic_api_unlock(adapter);
2183 return 1;
2184
2185 case QLCNIC_DEV_READY:
96f8118c 2186 ret = qlcnic_check_idc_ver(adapter);
af19b491 2187 qlcnic_api_unlock(adapter);
96f8118c 2188 return ret;
af19b491
AKS		 2189
2190 case QLCNIC_DEV_NEED_RESET:
2191 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2192 QLC_DEV_SET_RST_RDY(val, portnum);
af19b491
AKS		 2193 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2194 break;
2195
2196 case QLCNIC_DEV_NEED_QUISCENT:
2197 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2198 QLC_DEV_SET_QSCNT_RDY(val, portnum);
af19b491
AKS		 2199 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2200 break;
2201
2202 case QLCNIC_DEV_FAILED:
a7fc948f 2203 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2204 qlcnic_api_unlock(adapter);
2205 return -1;
bbd8c6a4
AKS		 2206
2207 case QLCNIC_DEV_INITIALIZING:
2208 case QLCNIC_DEV_QUISCENT:
2209 break;
af19b491
AKS		 2210 }
2211
2212 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2213
2214 do {
af19b491 2215 msleep(1000);
a5e463d0
SC		 2216 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2217
2218 if (prev_state == QLCNIC_DEV_QUISCENT)
2219 continue;
2220 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2221
65b5b420
AKS		 2222 if (!dev_init_timeo) {
2223 dev_err(&adapter->pdev->dev,
2224 "Waiting for device to initialize timeout\n");
af19b491 2225 return -1;
65b5b420 2226 }
af19b491
AKS		 2227
2228 if (qlcnic_api_lock(adapter))
2229 return -1;
2230
2231 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2232 QLC_DEV_CLR_RST_QSCNT(val, portnum);
af19b491
AKS		 2233 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2234
96f8118c 2235 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2236 qlcnic_api_unlock(adapter);
2237
96f8118c 2238 return ret;
af19b491
AKS		 2239}
2240
2241static void
2242qlcnic_fwinit_work(struct work_struct *work)
2243{
2244 struct qlcnic_adapter *adapter = container_of(work,
2245 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2246 u32 dev_state = 0xf;
7b749ff4 2247 u32 val;
af19b491 2248
f73dfc50
AKS		 2249 if (qlcnic_api_lock(adapter))
2250 goto err_ret;
af19b491 2251
a5e463d0 2252 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2253 if (dev_state == QLCNIC_DEV_QUISCENT ||
2254 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2255 qlcnic_api_unlock(adapter);
2256 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2257 FW_POLL_DELAY * 2);
2258 return;
2259 }
2260
79788450 2261 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2262 qlcnic_api_unlock(adapter);
2263 goto wait_npar;
9f26f547
AC		 2264 }
2265
16e3cf73
SV		 2266 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2267 dev_state == QLCNIC_DEV_READY) {
2268 dev_info(&adapter->pdev->dev, "Detected state change from "
2269 "DEV_NEED_RESET, skipping ack check\n");
2270 goto skip_ack_check;
2271 }
2272
f73dfc50 2273 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2274 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2275 adapter->reset_ack_timeo);
2276 goto skip_ack_check;
2277 }
2278
2279 if (!qlcnic_check_drv_state(adapter)) {
2280skip_ack_check:
2281 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2282
f73dfc50
AKS		 2283 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2284 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2285 QLCNIC_DEV_INITIALIZING);
2286 set_bit(__QLCNIC_START_FW, &adapter->state);
2287 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2288 qlcnic_idc_debug_info(adapter, 0);
7b749ff4
SV		 2289 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2290 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2291 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2292 }
2293
f73dfc50
AKS		 2294 qlcnic_api_unlock(adapter);
2295
287e38aa 2296 rtnl_lock();
7b749ff4
SV		 2297 if (adapter->ahw->fw_dump.enable &&
2298 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2299 QLCDB(adapter, DRV, "Take FW dump\n");
2300 qlcnic_dump_fw(adapter);
032a13c7 2301 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2302 }
287e38aa 2303 rtnl_unlock();
7b749ff4
SV		 2304
2305 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2306 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2307 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2308 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2309 return;
2310 }
af19b491
AKS		 2311 goto err_ret;
2312 }
2313
f73dfc50 2314 qlcnic_api_unlock(adapter);
aa5e18c0 2315
9f26f547 2316wait_npar:
af19b491 2317 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2318 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2319
af19b491 2320 switch (dev_state) {
3c4b23b1 2321 case QLCNIC_DEV_READY:
9f26f547 2322 if (!adapter->nic_ops->start_firmware(adapter)) {
f73dfc50 2323 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2324 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2325 return;
2326 }
3c4b23b1
AKS		 2327 case QLCNIC_DEV_FAILED:
2328 break;
2329 default:
2330 qlcnic_schedule_work(adapter,
2331 qlcnic_fwinit_work, FW_POLL_DELAY);
2332 return;
af19b491
AKS		 2333 }
2334
2335err_ret:
f73dfc50
AKS		 2336 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2337 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2338 netif_device_attach(adapter->netdev);
21854f02 2339 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2340}
2341
2342static void
2343qlcnic_detach_work(struct work_struct *work)
2344{
2345 struct qlcnic_adapter *adapter = container_of(work,
2346 struct qlcnic_adapter, fw_work.work);
2347 struct net_device *netdev = adapter->netdev;
2348 u32 status;
2349
2350 netif_device_detach(netdev);
2351
b8c17620
AKS		 2352 /* Dont grab rtnl lock during Quiscent mode */
2353 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2354 if (netif_running(netdev))
2355 __qlcnic_down(adapter, netdev);
2356 } else
2357 qlcnic_down(adapter, netdev);
af19b491 2358
af19b491
AKS		 2359 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2360
44f65b29
SC		 2361 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2362 dev_err(&adapter->pdev->dev,
2363 "Detaching the device: peg halt status1=0x%x\n",
2364 status);
2365
2366 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2367 dev_err(&adapter->pdev->dev,
2368 "On board active cooling fan failed. "
2369 "Device has been halted.\n");
2370 dev_err(&adapter->pdev->dev,
2371 "Replace the adapter.\n");
2372 }
2373
af19b491 2374 goto err_ret;
44f65b29 2375 }
af19b491 2376
79788450 2377 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2378 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2379 adapter->ahw->temp);
af19b491 2380 goto err_ret;
44f65b29
SC		 2381 }
2382
602ca6f0
SV		 2383 /* Dont ack if this instance is the reset owner */
2384 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2385 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2386 dev_err(&adapter->pdev->dev,
2387 "Failed to set driver state,"
2388 "detaching the device.\n");
602ca6f0 2389 goto err_ret;
44f65b29 2390 }
602ca6f0 2391 }
af19b491
AKS		 2392
2393 adapter->fw_wait_cnt = 0;
2394
2395 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2396
2397 return;
2398
2399err_ret:
34ce3626 2400 netif_device_attach(netdev);
21854f02 2401 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2402}
2403
3c4b23b1
AKS		 2404/*Transit NPAR state to NON Operational */
2405static void
2406qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2407{
2408 u32 state;
2409
2410 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2411 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2412 return;
2413
2414 if (qlcnic_api_lock(adapter))
2415 return;
2416 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2417 qlcnic_api_unlock(adapter);
2418}
2419
f73dfc50 2420/*Transit to RESET state from READY state only */
18f2f616 2421void
af19b491
AKS		 2422qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2423{
646779f1
SV		 2424 u32 state, xg_val = 0, gb_val = 0;
2425
2426 qlcnic_xg_set_xg0_mask(xg_val);
2427 qlcnic_xg_set_xg1_mask(xg_val);
2428 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2429 qlcnic_gb_set_gb0_mask(gb_val);
2430 qlcnic_gb_set_gb1_mask(gb_val);
2431 qlcnic_gb_set_gb2_mask(gb_val);
2432 qlcnic_gb_set_gb3_mask(gb_val);
2433 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2434 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2435 " on all ports\n");
cea8975e 2436 adapter->need_fw_reset = 1;
af19b491
AKS		 2437 if (qlcnic_api_lock(adapter))
2438 return;
2439
2440 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b43e5ee7
SC		 2441 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
2442 netdev_err(adapter->netdev,
2443 "Device is in FAILED state, Please Reboot\n");
2444 qlcnic_api_unlock(adapter);
2445 return;
2446 }
af19b491 2447
f73dfc50 2448 if (state == QLCNIC_DEV_READY) {
af19b491 2449 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
602ca6f0 2450 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2451 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2452 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2453 }
2454
3c4b23b1 2455 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2456 qlcnic_api_unlock(adapter);
2457}
2458
9f26f547
AC		 2459/* Transit to NPAR READY state from NPAR NOT READY state */
2460static void
2461qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2462{
9f26f547
AC		 2463 if (qlcnic_api_lock(adapter))
2464 return;
2465
3c4b23b1
AKS		 2466 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
2467 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2468
2469 qlcnic_api_unlock(adapter);
2470}
2471
af19b491
AKS		 2472static void
2473qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2474 work_func_t func, int delay)
2475{
451724c8
SC		 2476 if (test_bit(__QLCNIC_AER, &adapter->state))
2477 return;
2478
af19b491 2479 INIT_DELAYED_WORK(&adapter->fw_work, func);
f7ec804a
AKS		 2480 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
2481 round_jiffies_relative(delay));
af19b491
AKS		 2482}
2483
2484static void
2485qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2486{
2487 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2488 msleep(10);
2489
b43e5ee7
SC		 2490 if (!adapter->fw_work.work.func)
2491 return;
2492
af19b491
AKS		 2493 cancel_delayed_work_sync(&adapter->fw_work);
2494}
2495
2496static void
2497qlcnic_attach_work(struct work_struct *work)
2498{
2499 struct qlcnic_adapter *adapter = container_of(work,
2500 struct qlcnic_adapter, fw_work.work);
2501 struct net_device *netdev = adapter->netdev;
b18971d1 2502 u32 npar_state;
af19b491 2503
79788450 2504 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
b18971d1
AKS		 2505 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2506 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2507 qlcnic_clr_all_drv_state(adapter, 0);
2508 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2509 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2510 FW_POLL_DELAY);
2511 else
2512 goto attach;
2513 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2514 return;
2515 }
2516attach:
af19b491 2517 if (netif_running(netdev)) {
52486a3a 2518 if (qlcnic_up(adapter, netdev))
af19b491 2519 goto done;
af19b491 2520
aec1e845 2521 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2522 }
2523
af19b491 2524done:
34ce3626 2525 netif_device_attach(netdev);
af19b491 2526 adapter->fw_fail_cnt = 0;
032a13c7 2527 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2528 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2529
2530 if (!qlcnic_clr_drv_state(adapter))
2531 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2532 FW_POLL_DELAY);
af19b491
AKS		 2533}
2534
2535static int
2536qlcnic_check_health(struct qlcnic_adapter *adapter)
2537{
4e70812b 2538 u32 state = 0, heartbeat;
853d4bca 2539 u32 peg_status;
af19b491
AKS		 2540
2541 if (qlcnic_check_temp(adapter))
2542 goto detach;
2543
2372a5f1 2544 if (adapter->need_fw_reset)
af19b491 2545 qlcnic_dev_request_reset(adapter);
af19b491
AKS		 2546
2547 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2548 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2549 qlcnic_set_npar_non_operational(adapter);
af19b491 2550 adapter->need_fw_reset = 1;
b8c17620
AKS		 2551 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2552 goto detach;
af19b491 2553
4e70812b
SC		 2554 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
2555 if (heartbeat != adapter->heartbeat) {
2556 adapter->heartbeat = heartbeat;
af19b491
AKS		 2557 adapter->fw_fail_cnt = 0;
2558 if (adapter->need_fw_reset)
2559 goto detach;
68bf1c68 2560
79788450 2561 if (adapter->ahw->reset_context && auto_fw_reset) {
68bf1c68
AKS		 2562 qlcnic_reset_hw_context(adapter);
2563 adapter->netdev->trans_start = jiffies;
2564 }
2565
af19b491
AKS		 2566 return 0;
2567 }
2568
2569 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2570 return 0;
2571
032a13c7
SV		 2572 adapter->flags |= QLCNIC_FW_HANG;
2573
af19b491
AKS		 2574 qlcnic_dev_request_reset(adapter);
2575
9ce13ca8 2576 if (auto_fw_reset)
0df170b6 2577 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2578
853d4bca
AR		 2579 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
2580 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2581 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2582 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2583 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2584 "PEG_NET_4_PC: 0x%x\n",
2585 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1),
2586 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS2),
2587 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2588 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2589 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2590 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2591 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
853d4bca 2592 peg_status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
97048a1f 2593 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2594 dev_err(&adapter->pdev->dev,
2595 "Firmware aborted with error code 0x00006700. "
2596 "Device is being reset.\n");
af19b491
AKS		 2597detach:
2598 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2599 QLCNIC_DEV_NEED_RESET;
2600
9ce13ca8 2601 if (auto_fw_reset &&
65b5b420
AKS		 2602 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
2603
af19b491 2604 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2605 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2606 }
af19b491
AKS		 2607
2608 return 1;
2609}
2610
2611static void
2612qlcnic_fw_poll_work(struct work_struct *work)
2613{
2614 struct qlcnic_adapter *adapter = container_of(work,
2615 struct qlcnic_adapter, fw_work.work);
2616
2617 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2618 goto reschedule;
2619
2620
2621 if (qlcnic_check_health(adapter))
2622 return;
2623
b5e5492c
AKS		 2624 if (adapter->fhash.fnum)
2625 qlcnic_prune_lb_filters(adapter);
2626
af19b491
AKS		 2627reschedule:
2628 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2629}
2630
451724c8
SC		 2631static int qlcnic_is_first_func(struct pci_dev *pdev)
2632{
2633 struct pci_dev *oth_pdev;
2634 int val = pdev->devfn;
2635
2636 while (val-- > 0) {
2637 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2638 (pdev->bus), pdev->bus->number,
2639 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 2640 if (!oth_pdev)
2641 continue;
451724c8 2642
bfc978fa
AKS		 2643 if (oth_pdev->current_state != PCI_D3cold) {
2644 pci_dev_put(oth_pdev);
451724c8 2645 return 0;
bfc978fa
AKS		 2646 }
2647 pci_dev_put(oth_pdev);
451724c8
SC		 2648 }
2649 return 1;
2650}
2651
2652static int qlcnic_attach_func(struct pci_dev *pdev)
2653{
2654 int err, first_func;
2655 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2656 struct net_device *netdev = adapter->netdev;
2657
2658 pdev->error_state = pci_channel_io_normal;
2659
2660 err = pci_enable_device(pdev);
2661 if (err)
2662 return err;
2663
2664 pci_set_power_state(pdev, PCI_D0);
2665 pci_set_master(pdev);
2666 pci_restore_state(pdev);
2667
2668 first_func = qlcnic_is_first_func(pdev);
2669
2670 if (qlcnic_api_lock(adapter))
2671 return -EINVAL;
2672
79788450 2673 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 2674 adapter->need_fw_reset = 1;
2675 set_bit(__QLCNIC_START_FW, &adapter->state);
2676 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2677 QLCDB(adapter, DRV, "Restarting fw\n");
2678 }
2679 qlcnic_api_unlock(adapter);
2680
2681 err = adapter->nic_ops->start_firmware(adapter);
2682 if (err)
2683 return err;
2684
2685 qlcnic_clr_drv_state(adapter);
2686 qlcnic_setup_intr(adapter);
2687
2688 if (netif_running(netdev)) {
2689 err = qlcnic_attach(adapter);
2690 if (err) {
21854f02 2691 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 2692 clear_bit(__QLCNIC_AER, &adapter->state);
2693 netif_device_attach(netdev);
2694 return err;
2695 }
2696
2697 err = qlcnic_up(adapter, netdev);
2698 if (err)
2699 goto done;
2700
aec1e845 2701 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 2702 }
2703 done:
2704 netif_device_attach(netdev);
2705 return err;
2706}
2707
2708static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
2709 pci_channel_state_t state)
2710{
2711 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2712 struct net_device *netdev = adapter->netdev;
2713
2714 if (state == pci_channel_io_perm_failure)
2715 return PCI_ERS_RESULT_DISCONNECT;
2716
2717 if (state == pci_channel_io_normal)
2718 return PCI_ERS_RESULT_RECOVERED;
2719
2720 set_bit(__QLCNIC_AER, &adapter->state);
2721 netif_device_detach(netdev);
2722
2723 cancel_delayed_work_sync(&adapter->fw_work);
2724
2725 if (netif_running(netdev))
2726 qlcnic_down(adapter, netdev);
2727
2728 qlcnic_detach(adapter);
2729 qlcnic_teardown_intr(adapter);
2730
2731 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2732
2733 pci_save_state(pdev);
2734 pci_disable_device(pdev);
2735
2736 return PCI_ERS_RESULT_NEED_RESET;
2737}
2738
2739static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
2740{
2741 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
2742 PCI_ERS_RESULT_RECOVERED;
2743}
2744
2745static void qlcnic_io_resume(struct pci_dev *pdev)
2746{
2747 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2748
2749 pci_cleanup_aer_uncorrect_error_status(pdev);
2750
2751 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
2752 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
2753 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2754 FW_POLL_DELAY);
2755}
2756
87eb743b
AC		 2757static int
2758qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
2759{
2760 int err;
2761
2762 err = qlcnic_can_start_firmware(adapter);
2763 if (err)
2764 return err;
2765
78f84e1a
AKS		 2766 err = qlcnic_check_npar_opertional(adapter);
2767 if (err)
2768 return err;
3c4b23b1 2769
174240a8
RB		 2770 err = qlcnic_initialize_nic(adapter);
2771 if (err)
2772 return err;
2773
87eb743b
AC		 2774 qlcnic_check_options(adapter);
2775
7373373d
RB		 2776 err = qlcnic_set_eswitch_port_config(adapter);
2777 if (err)
2778 return err;
2779
87eb743b
AC		 2780 adapter->need_fw_reset = 0;
2781
2782 return err;
2783}
2784
f94bc1e7
SC		 2785int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
2786{
2787 if (!use_msi_x && !use_msi) {
2788 netdev_info(netdev, "no msix or msi support, hence no rss\n");
2789 return -EINVAL;
2790 }
2791
2792 if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
2793 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
2794 " powers of 2\n", max_hw);
2795 return -EINVAL;
2796 }
2797 return 0;
2798
2799}
2800
2801int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
2802{
2803 struct net_device *netdev = adapter->netdev;
2804 int err = 0;
2805
2806 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2807 return -EBUSY;
2808
2809 netif_device_detach(netdev);
2810 if (netif_running(netdev))
2811 __qlcnic_down(adapter, netdev);
2812 qlcnic_detach(adapter);
2813 qlcnic_teardown_intr(adapter);
2814
2815 if (qlcnic_enable_msix(adapter, data)) {
2816 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
2817 qlcnic_enable_msi_legacy(adapter);
2818 }
2819
2820 if (netif_running(netdev)) {
2821 err = qlcnic_attach(adapter);
2822 if (err)
2823 goto done;
2824 err = __qlcnic_up(adapter, netdev);
2825 if (err)
2826 goto done;
2827 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2828 }
2829 done:
2830 netif_device_attach(netdev);
2831 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2832 return err;
2833}
2834
af19b491
AKS		 2835#ifdef CONFIG_INET
2836
2837#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
2838
af19b491 2839static void
aec1e845
AKS		 2840qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
2841 struct net_device *dev, unsigned long event)
af19b491
AKS		 2842{
2843 struct in_device *indev;
af19b491 2844
af19b491
AKS		 2845 indev = in_dev_get(dev);
2846 if (!indev)
2847 return;
2848
2849 for_ifa(indev) {
2850 switch (event) {
2851 case NETDEV_UP:
2852 qlcnic_config_ipaddr(adapter,
2853 ifa->ifa_address, QLCNIC_IP_UP);
2854 break;
2855 case NETDEV_DOWN:
2856 qlcnic_config_ipaddr(adapter,
2857 ifa->ifa_address, QLCNIC_IP_DOWN);
2858 break;
2859 default:
2860 break;
2861 }
2862 } endfor_ifa(indev);
2863
2864 in_dev_put(indev);
af19b491
AKS		 2865}
2866
aec1e845
AKS		 2867static void
2868qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
2869{
2870 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2871 struct net_device *dev;
2872 u16 vid;
2873
2874 qlcnic_config_indev_addr(adapter, netdev, event);
2875
b9796a14 2876 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 2877 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 2878 if (!dev)
2879 continue;
aec1e845
AKS		 2880 qlcnic_config_indev_addr(adapter, dev, event);
2881 }
2882}
2883
af19b491
AKS		 2884static int qlcnic_netdev_event(struct notifier_block *this,
2885 unsigned long event, void *ptr)
2886{
2887 struct qlcnic_adapter *adapter;
2888 struct net_device *dev = (struct net_device *)ptr;
2889
2890recheck:
2891 if (dev == NULL)
2892 goto done;
2893
2894 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2895 dev = vlan_dev_real_dev(dev);
2896 goto recheck;
2897 }
2898
2899 if (!is_qlcnic_netdev(dev))
2900 goto done;
2901
2902 adapter = netdev_priv(dev);
2903
2904 if (!adapter)
2905 goto done;
2906
8a15ad1f 2907 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 2908 goto done;
2909
aec1e845 2910 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 2911done:
2912 return NOTIFY_DONE;
2913}
2914
2915static int
2916qlcnic_inetaddr_event(struct notifier_block *this,
2917 unsigned long event, void *ptr)
2918{
2919 struct qlcnic_adapter *adapter;
2920 struct net_device *dev;
2921
2922 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
2923
2924 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
2925
2926recheck:
aec1e845 2927 if (dev == NULL)
af19b491
AKS		 2928 goto done;
2929
2930 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2931 dev = vlan_dev_real_dev(dev);
2932 goto recheck;
2933 }
2934
2935 if (!is_qlcnic_netdev(dev))
2936 goto done;
2937
2938 adapter = netdev_priv(dev);
2939
251a84c9 2940 if (!adapter)
af19b491
AKS		 2941 goto done;
2942
8a15ad1f 2943 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 2944 goto done;
2945
2946 switch (event) {
2947 case NETDEV_UP:
2948 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
2949 break;
2950 case NETDEV_DOWN:
2951 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
2952 break;
2953 default:
2954 break;
2955 }
2956
2957done:
2958 return NOTIFY_DONE;
2959}
2960
2961static struct notifier_block qlcnic_netdev_cb = {
2962 .notifier_call = qlcnic_netdev_event,
2963};
2964
2965static struct notifier_block qlcnic_inetaddr_cb = {
2966 .notifier_call = qlcnic_inetaddr_event,
2967};
2968#else
2969static void
aec1e845 2970qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 2971{ }
2972#endif
63507592 2973static struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 2974 .error_detected = qlcnic_io_error_detected,
2975 .slot_reset = qlcnic_io_slot_reset,
2976 .resume = qlcnic_io_resume,
2977};
af19b491
AKS		 2978
2979static struct pci_driver qlcnic_driver = {
2980 .name = qlcnic_driver_name,
2981 .id_table = qlcnic_pci_tbl,
2982 .probe = qlcnic_probe,
6bb58bb0 2983 .remove = qlcnic_remove,
af19b491
AKS		 2984#ifdef CONFIG_PM
2985 .suspend = qlcnic_suspend,
2986 .resume = qlcnic_resume,
2987#endif
451724c8
SC		 2988 .shutdown = qlcnic_shutdown,
2989 .err_handler = &qlcnic_err_handler
2990
af19b491
AKS		 2991};
2992
2993static int __init qlcnic_init_module(void)
2994{
0cf3a14c 2995 int ret;
af19b491
AKS		 2996
2997 printk(KERN_INFO "%s\n", qlcnic_driver_string);
2998
f7ec804a
AKS		 2999 qlcnic_wq = create_singlethread_workqueue("qlcnic");
3000 if (qlcnic_wq == NULL) {
3001 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
3002 return -ENOMEM;
3003 }
3004
af19b491
AKS		 3005#ifdef CONFIG_INET
3006 register_netdevice_notifier(&qlcnic_netdev_cb);
3007 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3008#endif
3009
0cf3a14c
AKS		 3010 ret = pci_register_driver(&qlcnic_driver);
3011 if (ret) {
3012#ifdef CONFIG_INET
3013 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3014 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3015#endif
f7ec804a 3016 destroy_workqueue(qlcnic_wq);
0cf3a14c 3017 }
af19b491 3018
0cf3a14c 3019 return ret;
af19b491
AKS		 3020}
3021
3022module_init(qlcnic_init_module);
3023
3024static void __exit qlcnic_exit_module(void)
3025{
3026
3027 pci_unregister_driver(&qlcnic_driver);
3028
3029#ifdef CONFIG_INET
3030 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3031 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3032#endif
f7ec804a 3033 destroy_workqueue(qlcnic_wq);
af19b491
AKS		 3034}
3035
3036module_exit(qlcnic_exit_module);
Ubuntu Artful kernel mirror