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qlcnic: enable RSS for TCP over IPv6
[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
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
a15ebd37 12#include "qlcnic_hw.h"
af19b491 13
7e56cac4 14#include <linux/swab.h>
af19b491 15#include <linux/dma-mapping.h>
13159183 16#include <linux/if_vlan.h>
af19b491
AKS		 17#include <net/ip.h>
18#include <linux/ipv6.h>
19#include <linux/inetdevice.h>
451724c8 20#include <linux/aer.h>
f94bc1e7 21#include <linux/log2.h>
47caf255 22#include <linux/pci.h>
af19b491 23
7f9a0c34 24MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 25MODULE_LICENSE("GPL");
26MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
27MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
28
29char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 30static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 32
b5e5492c 33static int qlcnic_mac_learn;
b11a25aa 34module_param(qlcnic_mac_learn, int, 0444);
b5e5492c
AKS		 35MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
36
629263ac 37int qlcnic_use_msi = 1;
af19b491 38MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
099f7aa7 39module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 40
629263ac 41int qlcnic_use_msi_x = 1;
af19b491 42MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
099f7aa7 43module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 44
629263ac 45int qlcnic_auto_fw_reset = 1;
af19b491 46MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
099f7aa7 47module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 48
629263ac 49int qlcnic_load_fw_file;
4d5bdb38 50MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 51module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 52
629263ac 53int 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
1dd06ae8 57static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 58static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 59static int qlcnic_open(struct net_device *netdev);
60static int qlcnic_close(struct net_device *netdev);
af19b491 61static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 62static void qlcnic_attach_work(struct work_struct *work);
63static void qlcnic_fwinit_work(struct work_struct *work);
64static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 65#ifdef CONFIG_NET_POLL_CONTROLLER
66static void qlcnic_poll_controller(struct net_device *netdev);
67#endif
68
6df900e9 69static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 70static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 71static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
72
7eb9855d 73static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 74static irqreturn_t qlcnic_intr(int irq, void *data);
75static irqreturn_t qlcnic_msi_intr(int irq, void *data);
76static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 77static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 78
79static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 80static int qlcnic_start_firmware(struct qlcnic_adapter *);
81
b5e5492c 82static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 83static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 84static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 85static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
86 struct qlcnic_esw_func_cfg *);
8e586137
JP		 87static int qlcnic_vlan_rx_add(struct net_device *, u16);
88static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 89
bff57d8e
SC		 90#define QLCNIC_IS_TSO_CAPABLE(adapter) \
91 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
92
13159183
SC		 93static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
94{
95 struct qlcnic_hardware_context *ahw = adapter->ahw;
96
97 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
98 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
99 else
100 return 1;
101}
102
af19b491
AKS		 103/* PCI Device ID Table */
104#define ENTRY(device) \
105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
107
6a902881 108static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
af19b491
AKS		 111 {0,}
112};
113
114MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
115
116
5ad6ff9d 117inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 118{
119 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 120}
121
122static const u32 msi_tgt_status[8] = {
123 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
124 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
125 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
126 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
127};
128
7e2cf4fe
SC		 129static const u32 qlcnic_reg_tbl[] = {
130 0x1B20A8, /* PEG_HALT_STAT1 */
131 0x1B20AC, /* PEG_HALT_STAT2 */
132 0x1B20B0, /* FW_HEARTBEAT */
133 0x1B2100, /* LOCK ID */
134 0x1B2128, /* FW_CAPABILITIES */
135 0x1B2138, /* drv active */
136 0x1B2140, /* dev state */
137 0x1B2144, /* drv state */
138 0x1B2148, /* drv scratch */
139 0x1B214C, /* dev partition info */
140 0x1B2174, /* drv idc ver */
141 0x1B2150, /* fw version major */
142 0x1B2154, /* fw version minor */
143 0x1B2158, /* fw version sub */
144 0x1B219C, /* npar state */
145 0x1B21FC, /* FW_IMG_VALID */
146 0x1B2250, /* CMD_PEG_STATE */
147 0x1B233C, /* RCV_PEG_STATE */
148 0x1B23B4, /* ASIC TEMP */
149 0x1B216C, /* FW api */
150 0x1B2170, /* drv op mode */
151 0x13C010, /* flash lock */
152 0x13C014, /* flash unlock */
153};
154
22999798
SC		 155static const struct qlcnic_board_info qlcnic_boards[] = {
156 {0x1077, 0x8020, 0x1077, 0x203,
157 "8200 Series Single Port 10GbE Converged Network Adapter"
158 "(TCP/IP Networking)"},
159 {0x1077, 0x8020, 0x1077, 0x207,
160 "8200 Series Dual Port 10GbE Converged Network Adapter"
161 "(TCP/IP Networking)"},
162 {0x1077, 0x8020, 0x1077, 0x20b,
163 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
164 {0x1077, 0x8020, 0x1077, 0x20c,
165 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
166 {0x1077, 0x8020, 0x1077, 0x20f,
167 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
168 {0x1077, 0x8020, 0x103c, 0x3733,
169 "NC523SFP 10Gb 2-port Server Adapter"},
170 {0x1077, 0x8020, 0x103c, 0x3346,
171 "CN1000Q Dual Port Converged Network Adapter"},
172 {0x1077, 0x8020, 0x1077, 0x210,
173 "QME8242-k 10GbE Dual Port Mezzanine Card"},
174 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
175};
176
177#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 178#define QLC_MAX_SDS_RINGS 8
22999798 179
af19b491
AKS		 180static const
181struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
182
c70001a9 183int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 184{
185 int size = sizeof(struct qlcnic_host_sds_ring) * count;
186
187 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
188
807540ba 189 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 190}
191
c70001a9 192void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 193{
194 if (recv_ctx->sds_rings != NULL)
195 kfree(recv_ctx->sds_rings);
196
197 recv_ctx->sds_rings = NULL;
198}
199
af19b491
AKS		 200static int
201qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
202{
2e9d722d 203 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 204 struct net_device *netdev = adapter->netdev;
205 struct pci_dev *pdev = adapter->pdev;
206
da48e6c3 207 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 208 return -EIO;
209
2e9d722d 210 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 211 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
212
213 /* set station address */
214
aaeb6cdf 215 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 216 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
217 netdev->dev_addr);
218
219 return 0;
220}
221
222static int qlcnic_set_mac(struct net_device *netdev, void *p)
223{
224 struct qlcnic_adapter *adapter = netdev_priv(netdev);
225 struct sockaddr *addr = p;
226
7373373d
RB		 227 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
228 return -EOPNOTSUPP;
229
af19b491 230 if (!is_valid_ether_addr(addr->sa_data))
13159183 231 return -EINVAL;
af19b491 232
8a15ad1f 233 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 234 netif_device_detach(netdev);
235 qlcnic_napi_disable(adapter);
236 }
237
238 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
239 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
240 qlcnic_set_multi(adapter->netdev);
241
8a15ad1f 242 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 243 netif_device_attach(netdev);
244 qlcnic_napi_enable(adapter);
245 }
246 return 0;
247}
248
7e2cf4fe
SC		 249static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
250{
251 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
252 usleep_range(10000, 11000);
253
254 cancel_delayed_work_sync(&adapter->fw_work);
255}
256
af19b491
AKS		 257static const struct net_device_ops qlcnic_netdev_ops = {
258 .ndo_open = qlcnic_open,
259 .ndo_stop = qlcnic_close,
260 .ndo_start_xmit = qlcnic_xmit_frame,
261 .ndo_get_stats = qlcnic_get_stats,
262 .ndo_validate_addr = eth_validate_addr,
afc4b13d 263 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 264 .ndo_set_mac_address = qlcnic_set_mac,
265 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 266 .ndo_fix_features = qlcnic_fix_features,
267 .ndo_set_features = qlcnic_set_features,
af19b491 268 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 269 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
270 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
af19b491
AKS		 271#ifdef CONFIG_NET_POLL_CONTROLLER
272 .ndo_poll_controller = qlcnic_poll_controller,
273#endif
274};
275
b43e5ee7
SC		 276static const struct net_device_ops qlcnic_netdev_failed_ops = {
277 .ndo_open = qlcnic_open,
278};
279
2e9d722d 280static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 281 .config_bridged_mode = qlcnic_config_bridged_mode,
282 .config_led = qlcnic_82xx_config_led,
283 .start_firmware = qlcnic_82xx_start_firmware,
284 .request_reset = qlcnic_82xx_dev_request_reset,
285 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
286 .napi_add = qlcnic_82xx_napi_add,
4be41e92 287 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 288 .config_ipaddr = qlcnic_82xx_config_ipaddr,
289 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
290};
291
292struct qlcnic_nic_template qlcnic_vf_ops = {
293 .config_bridged_mode = qlcnicvf_config_bridged_mode,
294 .config_led = qlcnicvf_config_led,
295 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 296};
297
7e2cf4fe
SC		 298static struct qlcnic_hardware_ops qlcnic_hw_ops = {
299 .read_crb = qlcnic_82xx_read_crb,
300 .write_crb = qlcnic_82xx_write_crb,
301 .read_reg = qlcnic_82xx_hw_read_wx_2M,
302 .write_reg = qlcnic_82xx_hw_write_wx_2M,
303 .get_mac_address = qlcnic_82xx_get_mac_address,
304 .setup_intr = qlcnic_82xx_setup_intr,
305 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
306 .mbx_cmd = qlcnic_82xx_issue_cmd,
307 .get_func_no = qlcnic_82xx_get_func_no,
308 .api_lock = qlcnic_82xx_api_lock,
309 .api_unlock = qlcnic_82xx_api_unlock,
310 .add_sysfs = qlcnic_82xx_add_sysfs,
311 .remove_sysfs = qlcnic_82xx_remove_sysfs,
312 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
313 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
314 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
315 .setup_link_event = qlcnic_82xx_linkevent_request,
316 .get_nic_info = qlcnic_82xx_get_nic_info,
317 .get_pci_info = qlcnic_82xx_get_pci_info,
318 .set_nic_info = qlcnic_82xx_set_nic_info,
319 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
320 .napi_enable = qlcnic_82xx_napi_enable,
321 .napi_disable = qlcnic_82xx_napi_disable,
322 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
323 .config_rss = qlcnic_82xx_config_rss,
324 .config_hw_lro = qlcnic_82xx_config_hw_lro,
325 .config_loopback = qlcnic_82xx_set_lb_mode,
326 .clear_loopback = qlcnic_82xx_clear_lb_mode,
327 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
328 .change_l2_filter = qlcnic_82xx_change_filter,
329 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 330};
331
7f966452 332int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 333{
af19b491 334 struct pci_dev *pdev = adapter->pdev;
13159183
SC		 335 int err = -1, i;
336 int max_tx_rings;
337
338 if (!adapter->msix_entries) {
339 adapter->msix_entries = kcalloc(num_msix,
340 sizeof(struct msix_entry),
341 GFP_KERNEL);
342 if (!adapter->msix_entries) {
343 dev_err(&pdev->dev, "failed allocating msix_entries\n");
344 return -ENOMEM;
345 }
346 }
af19b491
AKS		 347
348 adapter->max_sds_rings = 1;
af19b491 349 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 350
79788450 351 if (adapter->ahw->msix_supported) {
f94bc1e7 352 enable_msix:
13159183
SC		 353 for (i = 0; i < num_msix; i++)
354 adapter->msix_entries[i].entry = i;
af19b491
AKS		 355 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
356 if (err == 0) {
357 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 358 if (qlcnic_83xx_check(adapter)) {
359 adapter->ahw->num_msix = num_msix;
360 /* subtract mail box and tx ring vectors */
361 max_tx_rings = adapter->max_drv_tx_rings;
362 adapter->max_sds_rings = num_msix -
363 max_tx_rings - 1;
364 } else {
365 adapter->max_sds_rings = num_msix;
366 }
af19b491 367 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 368 return err;
13159183
SC		 369 } else if (err > 0) {
370 dev_info(&pdev->dev,
371 "Unable to allocate %d MSI-X interrupt vectors\n",
372 num_msix);
373 if (qlcnic_83xx_check(adapter)) {
374 if (err < QLC_83XX_MINIMUM_VECTOR)
375 return err;
376 err -= (adapter->max_drv_tx_rings + 1);
377 num_msix = rounddown_pow_of_two(err);
378 num_msix += (adapter->max_drv_tx_rings + 1);
379 } else {
380 num_msix = rounddown_pow_of_two(err);
381 }
382
383 if (num_msix) {
384 dev_info(&pdev->dev,
385 "Trying %d MSI-X interrupt vectors\n",
386 num_msix);
f94bc1e7 387 goto enable_msix;
13159183
SC		 388 }
389 } else {
390 dev_info(&pdev->dev, "Failed to get %d vectors\n",
391 num_msix);
f94bc1e7
SC		 392 }
393 }
13159183 394
f94bc1e7
SC		 395 return err;
396}
af19b491 397
f94bc1e7
SC		 398static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
399{
15087c2b 400 u32 offset, mask_reg;
f94bc1e7 401 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 402 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 403 struct pci_dev *pdev = adapter->pdev;
af19b491 404
099f7aa7 405 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 406 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 407 offset = msi_tgt_status[adapter->ahw->pci_func];
408 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
409 offset);
af19b491
AKS		 410 dev_info(&pdev->dev, "using msi interrupts\n");
411 adapter->msix_entries[0].vector = pdev->irq;
412 return;
413 }
414
f94bc1e7 415 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 416 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 417 offset = legacy_intrp->tgt_status_reg;
418 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
419 mask_reg = legacy_intrp->tgt_mask_reg;
420 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
421 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
422 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 423 dev_info(&pdev->dev, "using legacy interrupts\n");
424 adapter->msix_entries[0].vector = pdev->irq;
425}
426
7e2cf4fe 427int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 428{
7e2cf4fe 429 int num_msix, err;
f94bc1e7 430
7e2cf4fe
SC		 431 if (!num_intr)
432 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
433
434 if (adapter->ahw->msix_supported)
5f6ec29a 435 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 436 num_intr));
437 else
f94bc1e7
SC		 438 num_msix = 1;
439
7e2cf4fe
SC		 440 err = qlcnic_enable_msix(adapter, num_msix);
441 if (err == -ENOMEM || !err)
442 return err;
f94bc1e7
SC		 443
444 qlcnic_enable_msi_legacy(adapter);
7e2cf4fe 445 return 0;
f94bc1e7 446}
13159183 447
319ecf12 448void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 449{
450 if (adapter->flags & QLCNIC_MSIX_ENABLED)
451 pci_disable_msix(adapter->pdev);
452 if (adapter->flags & QLCNIC_MSI_ENABLED)
453 pci_disable_msi(adapter->pdev);
13159183
SC		 454
455 kfree(adapter->msix_entries);
456 adapter->msix_entries = NULL;
457
458 if (adapter->ahw->intr_tbl) {
459 vfree(adapter->ahw->intr_tbl);
460 adapter->ahw->intr_tbl = NULL;
461 }
af19b491
AKS		 462}
463
464static void
465qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
466{
b1fc6d3c
AC		 467 if (adapter->ahw->pci_base0 != NULL)
468 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 469}
470
7e2cf4fe
SC		 471static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
472{
473 struct qlcnic_pci_info *pci_info;
474 int ret;
475
476 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
477 switch (adapter->ahw->port_type) {
478 case QLCNIC_GBE:
479 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
480 break;
481 case QLCNIC_XGBE:
482 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
483 break;
484 }
485 return 0;
486 }
487
488 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
489 return 0;
490
491 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
492 if (!pci_info)
493 return -ENOMEM;
494
495 ret = qlcnic_get_pci_info(adapter, pci_info);
496 kfree(pci_info);
497 return ret;
498}
d71170fb
SC		 499
500int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 501{
e88db3bd 502 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 503 int i, ret = 0, j = 0;
504 u16 act_pci_func;
346fe763
RB		 505 u8 pfn;
506
e88db3bd
DC		 507 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
508 if (!pci_info)
509 return -ENOMEM;
510
bff57d8e
SC		 511 ret = qlcnic_get_pci_info(adapter, pci_info);
512 if (ret)
513 goto err_pci_info;
514
515 act_pci_func = adapter->ahw->act_pci_func;
516
ca315ac2 517 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 518 act_pci_func, GFP_KERNEL);
e88db3bd 519 if (!adapter->npars) {
900853a4 520 ret = -ENOMEM;
e88db3bd
DC		 521 goto err_pci_info;
522 }
346fe763 523
ca315ac2 524 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 525 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
526 if (!adapter->eswitch) {
900853a4 527 ret = -ENOMEM;
ca315ac2 528 goto err_npars;
346fe763
RB		 529 }
530
ca315ac2
DC		 531 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
532 pfn = pci_info[i].id;
bff57d8e 533
0f6efff9 534 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 535 ret = QL_STATUS_INVALID_PARAM;
536 goto err_eswitch;
537 }
bff57d8e
SC		 538
539 if (!pci_info[i].active ||
540 (pci_info[i].type != QLCNIC_TYPE_NIC))
541 continue;
542
543 adapter->npars[j].pci_func = pfn;
544 adapter->npars[j].active = (u8)pci_info[i].active;
545 adapter->npars[j].type = (u8)pci_info[i].type;
546 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
547 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
548 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
549 j++;
346fe763
RB		 550 }
551
13159183 552 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 553 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 554 if (qlcnic_83xx_check(adapter))
555 qlcnic_enable_eswitch(adapter, i, 1);
556 }
ca315ac2 557
e88db3bd 558 kfree(pci_info);
ca315ac2
DC		 559 return 0;
560
561err_eswitch:
346fe763
RB		 562 kfree(adapter->eswitch);
563 adapter->eswitch = NULL;
ca315ac2 564err_npars:
346fe763 565 kfree(adapter->npars);
ca315ac2 566 adapter->npars = NULL;
e88db3bd
DC		 567err_pci_info:
568 kfree(pci_info);
346fe763
RB		 569
570 return ret;
571}
572
2e9d722d
AC		 573static int
574qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
575{
576 u8 id;
2e9d722d
AC		 577 int i, ret = 1;
578 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 579 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 580
2e9d722d
AC		 581 ret = qlcnic_api_lock(adapter);
582 if (ret)
583 goto err_lock;
2e9d722d 584
0e33c664 585 if (qlcnic_config_npars) {
bff57d8e
SC		 586 for (i = 0; i < ahw->act_pci_func; i++) {
587 id = adapter->npars[i].pci_func;
588 if (id == ahw->pci_func)
0e33c664
AC		 589 continue;
590 data |= (qlcnic_config_npars &
591 QLC_DEV_SET_DRV(0xf, id));
592 }
593 } else {
a15ebd37 594 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 595 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 596 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 597 ahw->pci_func));
2e9d722d 598 }
a15ebd37 599 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 600 qlcnic_api_unlock(adapter);
601err_lock:
602 return ret;
603}
604
13159183
SC		 605static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
606 const struct pci_device_id *ent)
2e9d722d 607{
2e9d722d
AC		 608 u32 op_mode, priv_level;
609
610 /* Determine FW API version */
13159183
SC		 611 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
612 QLCNIC_FW_API);
2e9d722d
AC		 613
614 /* Find PCI function number */
13159183 615 qlcnic_get_func_no(adapter);
2e9d722d
AC		 616
617 /* Determine function privilege level */
13159183 618 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 619 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 620 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 621 else
b1fc6d3c 622 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 623
0866d96d 624 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 625 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 626 dev_info(&adapter->pdev->dev,
627 "HAL Version: %d Non Privileged function\n",
79788450 628 adapter->ahw->fw_hal_version);
9f26f547 629 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 630 } else
631 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 632}
633
15087c2b 634#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 635#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 636static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
637{
638 switch (dev_id) {
639 case PCI_DEVICE_ID_QLOGIC_QLE824X:
640 *bar = QLCNIC_82XX_BAR0_LENGTH;
641 break;
13159183
SC		 642 case PCI_DEVICE_ID_QLOGIC_QLE834X:
643 *bar = QLCNIC_83XX_BAR0_LENGTH;
644 break;
15087c2b
SC		 645 default:
646 *bar = 0;
647 }
648}
649
650static int qlcnic_setup_pci_map(struct pci_dev *pdev,
651 struct qlcnic_hardware_context *ahw)
af19b491 652{
15087c2b 653 u32 offset;
af19b491 654 void __iomem *mem_ptr0 = NULL;
15087c2b 655 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 656
af19b491 657 /* remap phys address */
af19b491
AKS		 658 mem_len = pci_resource_len(pdev, 0);
659
15087c2b
SC		 660 qlcnic_get_bar_length(pdev->device, &bar0_len);
661 if (mem_len >= bar0_len) {
af19b491
AKS		 662
663 mem_ptr0 = pci_ioremap_bar(pdev, 0);
664 if (mem_ptr0 == NULL) {
665 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
666 return -EIO;
667 }
668 pci_len0 = mem_len;
669 } else {
670 return -EIO;
671 }
672
673 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 674
15087c2b
SC		 675 ahw->pci_base0 = mem_ptr0;
676 ahw->pci_len0 = pci_len0;
677 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
678 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 679
680 return 0;
681}
682
22999798 683static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 684{
685 struct pci_dev *pdev = adapter->pdev;
686 int i, found = 0;
687
688 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
689 if (qlcnic_boards[i].vendor == pdev->vendor &&
690 qlcnic_boards[i].device == pdev->device &&
691 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
692 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 693 sprintf(name, "%pM: %s" ,
694 adapter->mac_addr,
695 qlcnic_boards[i].short_name);
af19b491
AKS		 696 found = 1;
697 break;
698 }
699
700 }
701
702 if (!found)
7f9a0c34 703 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 704}
705
706static void
707qlcnic_check_options(struct qlcnic_adapter *adapter)
708{
a15ebd37 709 int err;
031a4a26 710 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 711 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 712 struct qlcnic_hardware_context *ahw = adapter->ahw;
713 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 714
715 prev_fw_version = adapter->fw_version;
af19b491 716
a15ebd37
HM		 717 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
718 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
719 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 720
721 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
722
a15ebd37
HM		 723 err = qlcnic_get_board_info(adapter);
724 if (err) {
725 dev_err(&pdev->dev, "Error getting board config info.\n");
726 return;
727 }
728 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 729 if (fw_dump->tmpl_hdr == NULL ||
730 adapter->fw_version > prev_fw_version) {
731 if (fw_dump->tmpl_hdr)
732 vfree(fw_dump->tmpl_hdr);
733 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
734 dev_info(&pdev->dev,
735 "Supports FW dump capability\n");
736 }
737 }
738
13159183
SC		 739 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
740 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
741
b1fc6d3c 742 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 743 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
744 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
745 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
746 } else {
747 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
748 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
749 }
750
af19b491 751 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 752 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
753
b1fc6d3c 754 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 755 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
756 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 757 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
758 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 759 }
760
099f7aa7 761 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 762
763 adapter->num_txd = MAX_CMD_DESCRIPTORS;
764
251b036a 765 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 766}
767
174240a8
RB		 768static int
769qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
770{
771 int err;
772 struct qlcnic_info nic_info;
773
bff57d8e 774 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 775 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 776 if (err)
777 return err;
778
79788450
SC		 779 adapter->ahw->physical_port = (u8)nic_info.phys_port;
780 adapter->ahw->switch_mode = nic_info.switch_mode;
781 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
782 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
783 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 784
785 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
786 u32 temp;
787 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
788 adapter->ahw->capabilities2 = temp;
789 }
79788450
SC		 790 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
791 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 792
13159183
SC		 793 /* Disable NPAR for 83XX */
794 if (qlcnic_83xx_check(adapter))
795 return err;
796
79788450 797 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 798 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
799 else
800 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
801
802 return err;
803}
804
ec079a07
SC		 805void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
806 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 807{
808 if (esw_cfg->discard_tagged)
809 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
810 else
811 adapter->flags |= QLCNIC_TAGGING_ENABLED;
812
813 if (esw_cfg->vlan_id)
814 adapter->pvid = esw_cfg->vlan_id;
815 else
816 adapter->pvid = 0;
817}
818
8e586137 819static int
b9796a14
AC		 820qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
821{
822 struct qlcnic_adapter *adapter = netdev_priv(netdev);
823 set_bit(vid, adapter->vlans);
8e586137 824 return 0;
b9796a14
AC		 825}
826
8e586137 827static int
b9796a14
AC		 828qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
829{
830 struct qlcnic_adapter *adapter = netdev_priv(netdev);
831
832 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
833 clear_bit(vid, adapter->vlans);
8e586137 834 return 0;
b9796a14
AC		 835}
836
ec079a07
SC		 837void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
838 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 839{
ee07c1a7
RB		 840 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
841 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 842
843 if (esw_cfg->mac_anti_spoof)
844 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 845
7373373d
RB		 846 if (!esw_cfg->mac_override)
847 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
848
ee07c1a7
RB		 849 if (!esw_cfg->promisc_mode)
850 adapter->flags |= QLCNIC_PROMISC_DISABLED;
851
0325d69b
RB		 852 qlcnic_set_netdev_features(adapter, esw_cfg);
853}
854
d71170fb 855int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 856{
857 struct qlcnic_esw_func_cfg esw_cfg;
858
859 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
860 return 0;
861
b1fc6d3c 862 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 863 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
864 return -EIO;
8cf61f89 865 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 866 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
867
868 return 0;
869}
870
871static void
872qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
873 struct qlcnic_esw_func_cfg *esw_cfg)
874{
875 struct net_device *netdev = adapter->netdev;
13159183
SC		 876 unsigned long features, vlan_features;
877
878 if (qlcnic_83xx_check(adapter))
879 return;
0325d69b 880
7e38d04b
SC		 881 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
882 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 883 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 884 NETIF_F_IPV6_CSUM);
0325d69b 885
13159183 886 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 887 features |= (NETIF_F_TSO | NETIF_F_TSO6);
888 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
889 }
b56421d0
RB		 890
891 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 892 features |= NETIF_F_LRO;
893
894 if (esw_cfg->offload_flags & BIT_0) {
895 netdev->features |= features;
13159183 896 adapter->rx_csum = 1;
7e38d04b 897 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 898 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 899 features &= ~NETIF_F_TSO;
900 }
901 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 902 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 903 features &= ~NETIF_F_TSO6;
904 }
0325d69b
RB		 905 } else {
906 netdev->features &= ~features;
7e38d04b 907 features &= ~features;
13159183 908 adapter->rx_csum = 0;
0325d69b
RB		 909 }
910
911 netdev->vlan_features = (features & vlan_features);
912}
913
0866d96d
AC		 914static int
915qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
916{
0866d96d
AC		 917 u32 op_mode, priv_level;
918 int err = 0;
919
174240a8
RB		 920 err = qlcnic_initialize_nic(adapter);
921 if (err)
922 return err;
923
0866d96d
AC		 924 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
925 return 0;
926
13159183 927 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 928 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 929
930 if (op_mode == QLC_DEV_DRV_DEFAULT)
931 priv_level = QLCNIC_MGMT_FUNC;
932 else
b1fc6d3c 933 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 934
174240a8 935 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 936 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 937 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 938 err = qlcnic_init_pci_info(adapter);
939 if (err)
940 return err;
941 /* Set privilege level for other functions */
942 qlcnic_set_function_modes(adapter);
943 dev_info(&adapter->pdev->dev,
944 "HAL Version: %d, Management function\n",
79788450 945 adapter->ahw->fw_hal_version);
0866d96d 946 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 947 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 948 dev_info(&adapter->pdev->dev,
949 "HAL Version: %d, Privileged function\n",
79788450 950 adapter->ahw->fw_hal_version);
0866d96d 951 }
174240a8 952 }
0866d96d
AC		 953
954 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
955
956 return err;
957}
958
d71170fb 959int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 960{
961 struct qlcnic_esw_func_cfg esw_cfg;
962 struct qlcnic_npar_info *npar;
963 u8 i;
964
174240a8 965 if (adapter->need_fw_reset)
0325d69b
RB		 966 return 0;
967
bff57d8e 968 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 969 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 970 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 971 esw_cfg.mac_override = BIT_0;
ee07c1a7 972 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 973 if (qlcnic_82xx_check(adapter)) {
974 esw_cfg.offload_flags = BIT_0;
975 if (QLCNIC_IS_TSO_CAPABLE(adapter))
976 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
977 }
0325d69b
RB		 978 if (qlcnic_config_switch_port(adapter, &esw_cfg))
979 return -EIO;
980 npar = &adapter->npars[i];
981 npar->pvid = esw_cfg.vlan_id;
7373373d 982 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 983 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
984 npar->discard_tagged = esw_cfg.discard_tagged;
985 npar->promisc_mode = esw_cfg.promisc_mode;
986 npar->offload_flags = esw_cfg.offload_flags;
987 }
988
989 return 0;
990}
991
13159183 992
4e8acb01
RB		 993static int
994qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
995 struct qlcnic_npar_info *npar, int pci_func)
996{
997 struct qlcnic_esw_func_cfg esw_cfg;
998 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
999 esw_cfg.pci_func = pci_func;
1000 esw_cfg.vlan_id = npar->pvid;
7373373d 1001 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1002 esw_cfg.discard_tagged = npar->discard_tagged;
1003 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1004 esw_cfg.offload_flags = npar->offload_flags;
1005 esw_cfg.promisc_mode = npar->promisc_mode;
1006 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1007 return -EIO;
1008
1009 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1010 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1011 return -EIO;
1012
1013 return 0;
1014}
1015
d71170fb 1016int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1017{
4e8acb01 1018 int i, err;
cea8975e
AC		 1019 struct qlcnic_npar_info *npar;
1020 struct qlcnic_info nic_info;
bff57d8e 1021 u8 pci_func;
cea8975e 1022
bff57d8e
SC		 1023 if (qlcnic_82xx_check(adapter))
1024 if (!adapter->need_fw_reset)
1025 return 0;
cea8975e 1026
4e8acb01 1027 /* Set the NPAR config data after FW reset */
bff57d8e 1028 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1029 npar = &adapter->npars[i];
bff57d8e
SC		 1030 pci_func = npar->pci_func;
1031 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1032 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1033 if (err)
1034 return err;
1035 nic_info.min_tx_bw = npar->min_bw;
1036 nic_info.max_tx_bw = npar->max_bw;
1037 err = qlcnic_set_nic_info(adapter, &nic_info);
1038 if (err)
1039 return err;
cea8975e 1040
4e8acb01
RB		 1041 if (npar->enable_pm) {
1042 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1043 npar->dest_npar, 1,
1044 pci_func);
4e8acb01
RB		 1045 if (err)
1046 return err;
cea8975e 1047 }
bff57d8e 1048 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1049 if (err)
1050 return err;
cea8975e 1051 }
4e8acb01 1052 return 0;
cea8975e
AC		 1053}
1054
78f84e1a
AKS		 1055static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1056{
1057 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1058 u32 npar_state;
1059
79788450 1060 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1061 return 0;
1062
a15ebd37
HM		 1063 npar_state = QLC_SHARED_REG_RD32(adapter,
1064 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1065 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1066 msleep(1000);
a15ebd37
HM		 1067 npar_state = QLC_SHARED_REG_RD32(adapter,
1068 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1069 }
1070 if (!npar_opt_timeo) {
1071 dev_err(&adapter->pdev->dev,
1072 "Waiting for NPAR state to opertional timeout\n");
1073 return -EIO;
1074 }
1075 return 0;
1076}
1077
174240a8
RB		 1078static int
1079qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1080{
1081 int err;
1082
1083 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1084 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1085 return 0;
1086
1087 err = qlcnic_set_default_offload_settings(adapter);
1088 if (err)
1089 return err;
1090
1091 err = qlcnic_reset_npar_config(adapter);
1092 if (err)
1093 return err;
1094
1095 qlcnic_dev_set_npar_ready(adapter);
1096
13159183
SC		 1097 if (qlcnic_83xx_check(adapter))
1098 qlcnic_83xx_register_nic_idc_func(adapter, 1);
174240a8
RB		 1099 return err;
1100}
1101
7e2cf4fe 1102int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1103{
d4066833 1104 int err;
af19b491 1105
aa5e18c0
SC		 1106 err = qlcnic_can_start_firmware(adapter);
1107 if (err < 0)
1108 return err;
1109 else if (!err)
d4066833 1110 goto check_fw_status;
af19b491 1111
099f7aa7 1112 if (qlcnic_load_fw_file)
4d5bdb38 1113 qlcnic_request_firmware(adapter);
8f891387 1114 else {
8cfdce08
SC		 1115 err = qlcnic_check_flash_fw_ver(adapter);
1116 if (err)
8f891387 1117 goto err_out;
1118
79788450 1119 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1120 }
af19b491
AKS		 1121
1122 err = qlcnic_need_fw_reset(adapter);
af19b491 1123 if (err == 0)
4e70812b 1124 goto check_fw_status;
af19b491 1125
d4066833
SC		 1126 err = qlcnic_pinit_from_rom(adapter);
1127 if (err)
1128 goto err_out;
af19b491
AKS		 1129
1130 err = qlcnic_load_firmware(adapter);
1131 if (err)
1132 goto err_out;
1133
1134 qlcnic_release_firmware(adapter);
d4066833 1135 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1136
d4066833
SC		 1137check_fw_status:
1138 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1139 if (err)
1140 goto err_out;
1141
a15ebd37 1142 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1143 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1144 err = qlcnic_check_eswitch_mode(adapter);
1145 if (err) {
1146 dev_err(&adapter->pdev->dev,
1147 "Memory allocation failed for eswitch\n");
1148 goto err_out;
1149 }
174240a8
RB		 1150 err = qlcnic_set_mgmt_operations(adapter);
1151 if (err)
1152 goto err_out;
1153
1154 qlcnic_check_options(adapter);
af19b491
AKS		 1155 adapter->need_fw_reset = 0;
1156
a7fc948f
AKS		 1157 qlcnic_release_firmware(adapter);
1158 return 0;
af19b491
AKS		 1159
1160err_out:
a15ebd37 1161 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1162 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1163
af19b491
AKS		 1164 qlcnic_release_firmware(adapter);
1165 return err;
1166}
1167
1168static int
1169qlcnic_request_irq(struct qlcnic_adapter *adapter)
1170{
1171 irq_handler_t handler;
1172 struct qlcnic_host_sds_ring *sds_ring;
13159183 1173 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1174 int err, ring;
1175
1176 unsigned long flags = 0;
1177 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1178 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1179
79788450 1180 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1181 if (qlcnic_82xx_check(adapter))
1182 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1183 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1184 flags |= IRQF_SHARED;
1185
1186 } else {
1187 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1188 handler = qlcnic_msix_intr;
1189 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1190 handler = qlcnic_msi_intr;
1191 else {
1192 flags |= IRQF_SHARED;
1193 handler = qlcnic_intr;
1194 }
af19b491
AKS		 1195 }
1196 adapter->irq = netdev->irq;
1197
13159183
SC		 1198 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1199 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1200 sds_ring = &recv_ctx->sds_rings[ring];
1201 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1202 "%s[%d]", netdev->name, ring);
1203 err = request_irq(sds_ring->irq, handler, flags,
1204 sds_ring->name, sds_ring);
1205 if (err)
1206 return err;
1207 }
1208 if (qlcnic_83xx_check(adapter) &&
1209 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1210 handler = qlcnic_msix_tx_intr;
1211 for (ring = 0; ring < adapter->max_drv_tx_rings;
1212 ring++) {
1213 tx_ring = &adapter->tx_ring[ring];
1214 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1215 "%s[%d]", netdev->name,
1216 adapter->max_sds_rings + ring);
1217 err = request_irq(tx_ring->irq, handler, flags,
1218 tx_ring->name, tx_ring);
1219 if (err)
1220 return err;
1221 }
1222 }
af19b491 1223 }
af19b491
AKS		 1224 return 0;
1225}
1226
1227static void
1228qlcnic_free_irq(struct qlcnic_adapter *adapter)
1229{
1230 int ring;
1231 struct qlcnic_host_sds_ring *sds_ring;
13159183 1232 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1233
b1fc6d3c 1234 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1235
13159183
SC		 1236 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1237 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1238 sds_ring = &recv_ctx->sds_rings[ring];
1239 free_irq(sds_ring->irq, sds_ring);
1240 }
1241 if (qlcnic_83xx_check(adapter)) {
1242 for (ring = 0; ring < adapter->max_drv_tx_rings;
1243 ring++) {
1244 tx_ring = &adapter->tx_ring[ring];
1245 if (tx_ring->irq)
1246 free_irq(tx_ring->irq, tx_ring);
1247 }
1248 }
af19b491
AKS		 1249 }
1250}
1251
319ecf12 1252int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1253{
8a15ad1f 1254 int ring;
cae82d49
RB		 1255 u32 capab2;
1256
8a15ad1f
AKS		 1257 struct qlcnic_host_rds_ring *rds_ring;
1258
af19b491
AKS		 1259 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1260 return -EIO;
1261
8a15ad1f
AKS		 1262 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1263 return 0;
0325d69b
RB		 1264 if (qlcnic_set_eswitch_port_config(adapter))
1265 return -EIO;
8a15ad1f 1266
79788450 1267 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1268 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1269 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1270 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1271 }
1272
8a15ad1f
AKS		 1273 if (qlcnic_fw_create_ctx(adapter))
1274 return -EIO;
1275
1276 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1277 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1278 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1279 }
1280
af19b491
AKS		 1281 qlcnic_set_multi(netdev);
1282 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1283
b1fc6d3c 1284 adapter->ahw->linkup = 0;
af19b491
AKS		 1285
1286 if (adapter->max_sds_rings > 1)
1287 qlcnic_config_rss(adapter, 1);
1288
1289 qlcnic_config_intr_coalesce(adapter);
1290
24763d80 1291 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1292 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1293
1294 qlcnic_napi_enable(adapter);
1295
1296 qlcnic_linkevent_request(adapter, 1);
1297
79788450 1298 adapter->ahw->reset_context = 0;
af19b491
AKS		 1299 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1300 return 0;
1301}
1302
629263ac 1303int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1304{
1305 int err = 0;
1306
1307 rtnl_lock();
1308 if (netif_running(netdev))
1309 err = __qlcnic_up(adapter, netdev);
1310 rtnl_unlock();
1311
1312 return err;
1313}
1314
319ecf12 1315void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1316{
1317 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1318 return;
1319
1320 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1321 return;
1322
1323 smp_mb();
1324 spin_lock(&adapter->tx_clean_lock);
1325 netif_carrier_off(netdev);
1326 netif_tx_disable(netdev);
1327
1328 qlcnic_free_mac_list(adapter);
1329
b5e5492c
AKS		 1330 if (adapter->fhash.fnum)
1331 qlcnic_delete_lb_filters(adapter);
1332
af19b491
AKS		 1333 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1334
1335 qlcnic_napi_disable(adapter);
1336
8a15ad1f 1337 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1338 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1339
1340 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1341 qlcnic_release_tx_buffers(adapter);
1342 spin_unlock(&adapter->tx_clean_lock);
1343}
1344
1345/* Usage: During suspend and firmware recovery module */
1346
629263ac 1347void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1348{
1349 rtnl_lock();
1350 if (netif_running(netdev))
1351 __qlcnic_down(adapter, netdev);
1352 rtnl_unlock();
1353
1354}
1355
319ecf12 1356int
af19b491
AKS		 1357qlcnic_attach(struct qlcnic_adapter *adapter)
1358{
1359 struct net_device *netdev = adapter->netdev;
1360 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1361 int err;
af19b491
AKS		 1362
1363 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1364 return 0;
1365
af19b491
AKS		 1366 err = qlcnic_napi_add(adapter, netdev);
1367 if (err)
1368 return err;
1369
1370 err = qlcnic_alloc_sw_resources(adapter);
1371 if (err) {
1372 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1373 goto err_out_napi_del;
af19b491
AKS		 1374 }
1375
1376 err = qlcnic_alloc_hw_resources(adapter);
1377 if (err) {
1378 dev_err(&pdev->dev, "Error in setting hw resources\n");
1379 goto err_out_free_sw;
1380 }
1381
af19b491
AKS		 1382 err = qlcnic_request_irq(adapter);
1383 if (err) {
1384 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1385 goto err_out_free_hw;
af19b491
AKS		 1386 }
1387
af19b491
AKS		 1388 qlcnic_create_sysfs_entries(adapter);
1389
1390 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1391 return 0;
1392
8a15ad1f 1393err_out_free_hw:
af19b491
AKS		 1394 qlcnic_free_hw_resources(adapter);
1395err_out_free_sw:
1396 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1397err_out_napi_del:
1398 qlcnic_napi_del(adapter);
af19b491
AKS		 1399 return err;
1400}
1401
319ecf12 1402void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1403{
1404 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1405 return;
1406
1407 qlcnic_remove_sysfs_entries(adapter);
1408
1409 qlcnic_free_hw_resources(adapter);
1410 qlcnic_release_rx_buffers(adapter);
1411 qlcnic_free_irq(adapter);
1412 qlcnic_napi_del(adapter);
1413 qlcnic_free_sw_resources(adapter);
1414
1415 adapter->is_up = 0;
1416}
1417
7eb9855d
AKS		 1418void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1419{
1420 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1421 struct qlcnic_host_sds_ring *sds_ring;
1422 int ring;
1423
78ad3892 1424 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1425 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1426 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1427 sds_ring = &adapter->recv_ctx->sds_rings[ring];
13159183
SC		 1428 if (qlcnic_83xx_check(adapter))
1429 writel(1, sds_ring->crb_intr_mask);
1430 else
1431 qlcnic_disable_int(sds_ring);
cdaff185 1432 }
7eb9855d
AKS		 1433 }
1434
8a15ad1f
AKS		 1435 qlcnic_fw_destroy_ctx(adapter);
1436
7eb9855d
AKS		 1437 qlcnic_detach(adapter);
1438
79788450 1439 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1440 adapter->max_sds_rings = max_sds_rings;
1441
1442 if (qlcnic_attach(adapter))
34ce3626 1443 goto out;
7eb9855d
AKS		 1444
1445 if (netif_running(netdev))
1446 __qlcnic_up(adapter, netdev);
34ce3626 1447out:
7eb9855d
AKS		 1448 netif_device_attach(netdev);
1449}
1450
b1fc6d3c
AC		 1451static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1452{
1453 int err = 0;
b1fc6d3c
AC		 1454 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1455 GFP_KERNEL);
1456 if (!adapter->recv_ctx) {
1457 dev_err(&adapter->pdev->dev,
1458 "Failed to allocate recv ctx resources for adapter\n");
b1fc6d3c 1459 err = -ENOMEM;
8816d009 1460 goto err_out;
b1fc6d3c 1461 }
8816d009
AC		 1462 /* Initialize interrupt coalesce parameters */
1463 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1464 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1465 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1466 /* clear stats */
1467 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1468err_out:
1469 return err;
1470}
1471
1472static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1473{
1474 kfree(adapter->recv_ctx);
1475 adapter->recv_ctx = NULL;
1476
18f2f616
AC		 1477 if (adapter->ahw->fw_dump.tmpl_hdr) {
1478 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1479 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1480 }
4be41e92 1481
81d0aeb0 1482 kfree(adapter->ahw->reset.buff);
4be41e92 1483 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1484}
1485
7eb9855d
AKS		 1486int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1487{
1488 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1489 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1490 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1491 int ring;
1492 int ret;
1493
1494 netif_device_detach(netdev);
1495
1496 if (netif_running(netdev))
1497 __qlcnic_down(adapter, netdev);
1498
1499 qlcnic_detach(adapter);
1500
1501 adapter->max_sds_rings = 1;
79788450 1502 adapter->ahw->diag_test = test;
4be41e92 1503 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1504
1505 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1506 if (ret) {
1507 netif_device_attach(netdev);
7eb9855d 1508 return ret;
34ce3626 1509 }
7eb9855d 1510
8a15ad1f
AKS		 1511 ret = qlcnic_fw_create_ctx(adapter);
1512 if (ret) {
1513 qlcnic_detach(adapter);
57e46248 1514 netif_device_attach(netdev);
8a15ad1f
AKS		 1515 return ret;
1516 }
1517
1518 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1519 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1520 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1521 }
1522
79788450 1523 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1524 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1525 sds_ring = &adapter->recv_ctx->sds_rings[ring];
7e38d04b
SC		 1526 if (qlcnic_82xx_check(adapter))
1527 qlcnic_enable_int(sds_ring);
1528 else
1529 qlcnic_83xx_enable_intr(adapter, sds_ring);
cdaff185 1530 }
7eb9855d 1531 }
22c8c934 1532
79788450 1533 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1534 adapter->ahw->loopback_state = 0;
1535 qlcnic_linkevent_request(adapter, 1);
1536 }
1537
78ad3892 1538 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1539
1540 return 0;
1541}
1542
68bf1c68
AKS		 1543/* Reset context in hardware only */
1544static int
1545qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1546{
1547 struct net_device *netdev = adapter->netdev;
1548
1549 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1550 return -EBUSY;
1551
1552 netif_device_detach(netdev);
1553
1554 qlcnic_down(adapter, netdev);
1555
1556 qlcnic_up(adapter, netdev);
1557
1558 netif_device_attach(netdev);
1559
1560 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1561 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1562 return 0;
1563}
1564
af19b491
AKS		 1565int
1566qlcnic_reset_context(struct qlcnic_adapter *adapter)
1567{
1568 int err = 0;
1569 struct net_device *netdev = adapter->netdev;
1570
1571 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1572 return -EBUSY;
1573
1574 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1575
1576 netif_device_detach(netdev);
1577
1578 if (netif_running(netdev))
1579 __qlcnic_down(adapter, netdev);
1580
1581 qlcnic_detach(adapter);
1582
1583 if (netif_running(netdev)) {
1584 err = qlcnic_attach(adapter);
1d5c88e3 1585 if (!err) {
34ce3626 1586 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1587 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1588 }
af19b491
AKS		 1589 }
1590
1591 netif_device_attach(netdev);
1592 }
1593
af19b491
AKS		 1594 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1595 return err;
1596}
1597
1598static int
5ad6ff9d
SC		 1599qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1600 int pci_using_dac)
af19b491
AKS		 1601{
1602 int err;
1603 struct pci_dev *pdev = adapter->pdev;
1604
13159183 1605 adapter->rx_csum = 1;
79788450 1606 adapter->ahw->mc_enabled = 0;
13159183 1607 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1608
1609 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1610 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1611
1612 qlcnic_change_mtu(netdev, netdev->mtu);
1613
1614 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1615
7e38d04b 1616 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1617 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1618 NETIF_F_HW_VLAN_RX);
1619 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1620 NETIF_F_IPV6_CSUM);
ac8d0c4f 1621
13159183
SC		 1622 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1623 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1624 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1625 }
af19b491 1626
13159183
SC		 1627 if (pci_using_dac) {
1628 netdev->features |= NETIF_F_HIGHDMA;
1629 netdev->vlan_features |= NETIF_F_HIGHDMA;
1630 }
af19b491 1631
13159183
SC		 1632 if (qlcnic_vlan_tx_check(adapter))
1633 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1634
13159183
SC		 1635 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1636 netdev->features |= NETIF_F_LRO;
135d84a9 1637
7e38d04b 1638 netdev->hw_features = netdev->features;
af19b491
AKS		 1639 netdev->irq = adapter->msix_entries[0].vector;
1640
af19b491
AKS		 1641 err = register_netdev(netdev);
1642 if (err) {
1643 dev_err(&pdev->dev, "failed to register net device\n");
1644 return err;
1645 }
1646
1647 return 0;
1648}
1649
5ad6ff9d 1650static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1651{
1652 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1653 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1654 *pci_using_dac = 1;
1655 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1656 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1657 *pci_using_dac = 0;
1658 else {
1659 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1660 return -EIO;
1661 }
1662
1663 return 0;
1664}
1665
4be41e92
SC		 1666void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1667{
1668 int ring;
1669 struct qlcnic_host_tx_ring *tx_ring;
1670
1671 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1672 tx_ring = &adapter->tx_ring[ring];
1673 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1674 vfree(tx_ring->cmd_buf_arr);
1675 tx_ring->cmd_buf_arr = NULL;
1676 }
1677 }
1678 if (adapter->tx_ring != NULL)
1679 kfree(adapter->tx_ring);
1680}
1681
1682int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1683 struct net_device *netdev)
1684{
1685 int ring, size, vector, index;
1686 struct qlcnic_host_tx_ring *tx_ring;
1687 struct qlcnic_cmd_buffer *cmd_buf_arr;
1688
1689 size = adapter->max_drv_tx_rings * sizeof(struct qlcnic_host_tx_ring);
1690 tx_ring = kzalloc(size, GFP_KERNEL);
1691 if (tx_ring == NULL) {
1692 dev_err(&netdev->dev, "failed to allocate tx rings\n");
1693 return -ENOMEM;
1694 }
1695 adapter->tx_ring = tx_ring;
1696
1697 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1698 tx_ring = &adapter->tx_ring[ring];
1699 tx_ring->num_desc = adapter->num_txd;
1700 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1701 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1702 if (cmd_buf_arr == NULL) {
1703 dev_err(&netdev->dev,
1704 "failed to allocate cmd buffer ring\n");
1705 qlcnic_free_tx_rings(adapter);
1706 return -ENOMEM;
1707 }
1708 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1709 tx_ring->cmd_buf_arr = cmd_buf_arr;
1710 }
1711
1712 if (qlcnic_83xx_check(adapter)) {
1713 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1714 tx_ring = &adapter->tx_ring[ring];
1715 tx_ring->adapter = adapter;
1716 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1717 index = adapter->max_sds_rings + ring;
1718 vector = adapter->msix_entries[index].vector;
1719 tx_ring->irq = vector;
1720 }
1721 }
1722 }
1723 return 0;
1724}
1725
6bb58bb0 1726static int
af19b491
AKS		 1727qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1728{
1729 struct net_device *netdev = NULL;
1730 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1731 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1732 int err, pci_using_dac = -1;
c84e340a 1733 u32 capab2;
22999798 1734 char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1735
1736 err = pci_enable_device(pdev);
1737 if (err)
1738 return err;
1739
1740 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1741 err = -ENODEV;
1742 goto err_out_disable_pdev;
1743 }
1744
1bb09fb9
AKS		 1745 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1746 if (err)
1747 goto err_out_disable_pdev;
1748
af19b491
AKS		 1749 err = pci_request_regions(pdev, qlcnic_driver_name);
1750 if (err)
1751 goto err_out_disable_pdev;
1752
1753 pci_set_master(pdev);
451724c8 1754 pci_enable_pcie_error_reporting(pdev);
af19b491 1755
7e2cf4fe
SC		 1756 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1757 if (!ahw)
1758 goto err_out_free_res;
1759
1760 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1761 ahw->hw_ops = &qlcnic_hw_ops;
1762 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1763 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1764 qlcnic_83xx_register_map(ahw);
1765 } else {
1766 goto err_out_free_hw_res;
7e2cf4fe
SC		 1767 }
1768
1769 err = qlcnic_setup_pci_map(pdev, ahw);
1770 if (err)
1771 goto err_out_free_hw_res;
1772
af19b491
AKS		 1773 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1774 if (!netdev) {
af19b491 1775 err = -ENOMEM;
7e2cf4fe 1776 goto err_out_iounmap;
af19b491
AKS		 1777 }
1778
1779 SET_NETDEV_DEV(netdev, &pdev->dev);
1780
1781 adapter = netdev_priv(netdev);
1782 adapter->netdev = netdev;
1783 adapter->pdev = pdev;
13159183
SC		 1784 adapter->ahw = ahw;
1785
1786 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1787 if (adapter->qlcnic_wq == NULL) {
1788 dev_err(&pdev->dev, "Failed to create workqueue\n");
1789 goto err_out_free_netdev;
1790 }
af19b491 1791
2dfc9671
PST		 1792 err = qlcnic_alloc_adapter_resources(adapter);
1793 if (err)
b1fc6d3c
AC		 1794 goto err_out_free_netdev;
1795
1796 adapter->dev_rst_time = jiffies;
7e2cf4fe 1797 adapter->ahw->revision_id = pdev->revision;
e5dcf6dc 1798 adapter->mac_learn = qlcnic_mac_learn;
7e2cf4fe 1799 adapter->max_drv_tx_rings = 1;
af19b491 1800
b1fc6d3c
AC		 1801 rwlock_init(&adapter->ahw->crb_lock);
1802 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1803
1804 spin_lock_init(&adapter->tx_clean_lock);
1805 INIT_LIST_HEAD(&adapter->mac_list);
1806
7e2cf4fe 1807 if (qlcnic_82xx_check(adapter)) {
13159183 1808 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1809 adapter->portnum = adapter->ahw->pci_func;
1810 err = qlcnic_start_firmware(adapter);
1811 if (err) {
1812 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1813 goto err_out_free_hw;
1814 }
af19b491 1815
7e2cf4fe
SC		 1816 err = qlcnic_setup_idc_param(adapter);
1817 if (err)
1818 goto err_out_free_hw;
b0044bcf 1819
7e2cf4fe 1820 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1821 } else if (qlcnic_83xx_check(adapter)) {
1822 qlcnic_83xx_check_vf(adapter, ent);
1823 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1824 err = qlcnic_83xx_init(adapter);
1825 if (err) {
1826 dev_err(&pdev->dev, "%s: failed\n", __func__);
1827 goto err_out_free_hw;
1828 }
13159183
SC		 1829 } else {
1830 dev_err(&pdev->dev,
1831 "%s: failed. Please Reboot\n", __func__);
1832 goto err_out_free_hw;
a7fc948f 1833 }
af19b491 1834
da48e6c3
RB		 1835 if (qlcnic_read_mac_addr(adapter))
1836 dev_warn(&pdev->dev, "failed to read mac addr\n");
1837
1838 if (adapter->portnum == 0) {
22999798 1839 qlcnic_get_board_name(adapter, board_name);
13159183 1840
da48e6c3 1841 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1842 module_name(THIS_MODULE),
1843 board_name, adapter->ahw->revision_id);
da48e6c3 1844 }
7e2cf4fe
SC		 1845 err = qlcnic_setup_intr(adapter, 0);
1846 if (err)
1847 goto err_out_disable_msi;
f94bc1e7 1848
13159183
SC		 1849 if (qlcnic_83xx_check(adapter)) {
1850 err = qlcnic_83xx_setup_mbx_intr(adapter);
1851 if (err)
1852 goto err_out_disable_msi;
1853 }
af19b491 1854
1bb09fb9 1855 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1856 if (err)
7e2cf4fe 1857 goto err_out_disable_mbx_intr;
af19b491 1858
c84e340a
SV		 1859 if (qlcnic_82xx_check(adapter)) {
1860 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1861 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1862 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1863 qlcnic_fw_cmd_set_drv_version(adapter);
1864 }
1865 }
1866
af19b491
AKS		 1867 pci_set_drvdata(pdev, adapter);
1868
97ee45eb
SC		 1869 if (qlcnic_82xx_check(adapter))
1870 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1871 FW_POLL_DELAY);
af19b491 1872
b1fc6d3c 1873 switch (adapter->ahw->port_type) {
af19b491
AKS		 1874 case QLCNIC_GBE:
1875 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1876 adapter->netdev->name);
1877 break;
1878 case QLCNIC_XGBE:
1879 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1880 adapter->netdev->name);
1881 break;
1882 }
1883
7e2cf4fe
SC		 1884 if (qlcnic_get_act_pci_func(adapter))
1885 goto err_out_disable_mbx_intr;
1886
e5dcf6dc
SC		 1887 if (adapter->mac_learn)
1888 qlcnic_alloc_lb_filters_mem(adapter);
1889
7e2cf4fe 1890 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1891
1892 return 0;
1893
7e2cf4fe 1894err_out_disable_mbx_intr:
13159183
SC		 1895 if (qlcnic_83xx_check(adapter)) {
1896 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1897 qlcnic_83xx_config_intrpt(adapter, 0);
1898 qlcnic_83xx_free_mbx_intr(adapter);
1899 }
7e2cf4fe 1900
af19b491
AKS		 1901err_out_disable_msi:
1902 qlcnic_teardown_intr(adapter);
7e2cf4fe 1903 qlcnic_cancel_idc_work(adapter);
21854f02 1904 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1905
b1fc6d3c
AC		 1906err_out_free_hw:
1907 qlcnic_free_adapter_resources(adapter);
1908
af19b491
AKS		 1909err_out_free_netdev:
1910 free_netdev(netdev);
1911
7e2cf4fe
SC		 1912err_out_iounmap:
1913 qlcnic_cleanup_pci_map(adapter);
1914
1915err_out_free_hw_res:
1916 kfree(ahw);
1917
af19b491
AKS		 1918err_out_free_res:
1919 pci_release_regions(pdev);
1920
1921err_out_disable_pdev:
1922 pci_set_drvdata(pdev, NULL);
1923 pci_disable_device(pdev);
1924 return err;
1925}
1926
6bb58bb0 1927static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 1928{
1929 struct qlcnic_adapter *adapter;
1930 struct net_device *netdev;
13159183 1931 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 1932
1933 adapter = pci_get_drvdata(pdev);
1934 if (adapter == NULL)
1935 return;
1936
1937 netdev = adapter->netdev;
1938
13159183
SC		 1939 qlcnic_cancel_idc_work(adapter);
1940 ahw = adapter->ahw;
af19b491
AKS		 1941
1942 unregister_netdev(netdev);
1943
13159183
SC		 1944 if (qlcnic_83xx_check(adapter)) {
1945 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1946 qlcnic_83xx_config_intrpt(adapter, 0);
1947 qlcnic_83xx_free_mbx_intr(adapter);
1948 }
1949
af19b491
AKS		 1950 qlcnic_detach(adapter);
1951
2e9d722d
AC		 1952 if (adapter->npars != NULL)
1953 kfree(adapter->npars);
1954 if (adapter->eswitch != NULL)
1955 kfree(adapter->eswitch);
1956
97ee45eb
SC		 1957 if (qlcnic_82xx_check(adapter))
1958 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1959
1960 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1961
b5e5492c
AKS		 1962 qlcnic_free_lb_filters_mem(adapter);
1963
af19b491
AKS		 1964 qlcnic_teardown_intr(adapter);
1965
13159183 1966 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 1967
1968 qlcnic_cleanup_pci_map(adapter);
1969
1970 qlcnic_release_firmware(adapter);
1971
451724c8 1972 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 1973 pci_release_regions(pdev);
1974 pci_disable_device(pdev);
1975 pci_set_drvdata(pdev, NULL);
1976
13159183
SC		 1977 if (adapter->qlcnic_wq) {
1978 destroy_workqueue(adapter->qlcnic_wq);
1979 adapter->qlcnic_wq = NULL;
1980 }
b1fc6d3c 1981 qlcnic_free_adapter_resources(adapter);
13159183 1982 kfree(ahw);
af19b491
AKS		 1983 free_netdev(netdev);
1984}
1985static int __qlcnic_shutdown(struct pci_dev *pdev)
1986{
1987 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1988 struct net_device *netdev = adapter->netdev;
1989 int retval;
1990
1991 netif_device_detach(netdev);
1992
13159183 1993 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 1994
1995 if (netif_running(netdev))
1996 qlcnic_down(adapter, netdev);
1997
97ee45eb
SC		 1998 if (qlcnic_82xx_check(adapter))
1999 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2000
2001 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2002
2003 retval = pci_save_state(pdev);
2004 if (retval)
2005 return retval;
97ee45eb
SC		 2006 if (qlcnic_82xx_check(adapter)) {
2007 if (qlcnic_wol_supported(adapter)) {
2008 pci_enable_wake(pdev, PCI_D3cold, 1);
2009 pci_enable_wake(pdev, PCI_D3hot, 1);
2010 }
af19b491
AKS		 2011 }
2012
2013 return 0;
2014}
2015
2016static void qlcnic_shutdown(struct pci_dev *pdev)
2017{
2018 if (__qlcnic_shutdown(pdev))
2019 return;
2020
2021 pci_disable_device(pdev);
2022}
2023
2024#ifdef CONFIG_PM
2025static int
2026qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2027{
2028 int retval;
2029
2030 retval = __qlcnic_shutdown(pdev);
2031 if (retval)
2032 return retval;
2033
2034 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2035 return 0;
2036}
2037
2038static int
2039qlcnic_resume(struct pci_dev *pdev)
2040{
2041 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2042 struct net_device *netdev = adapter->netdev;
2043 int err;
2044
2045 err = pci_enable_device(pdev);
2046 if (err)
2047 return err;
2048
2049 pci_set_power_state(pdev, PCI_D0);
2050 pci_set_master(pdev);
2051 pci_restore_state(pdev);
2052
13159183 2053 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2054 if (err) {
2055 dev_err(&pdev->dev, "failed to start firmware\n");
2056 return err;
2057 }
2058
2059 if (netif_running(netdev)) {
af19b491
AKS		 2060 err = qlcnic_up(adapter, netdev);
2061 if (err)
52486a3a 2062 goto done;
af19b491 2063
aec1e845 2064 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2065 }
52486a3a 2066done:
af19b491
AKS		 2067 netif_device_attach(netdev);
2068 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2069 return 0;
af19b491
AKS		 2070}
2071#endif
2072
2073static int qlcnic_open(struct net_device *netdev)
2074{
2075 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2076 int err;
2077
c55ad8e5
AKS		 2078 netif_carrier_off(netdev);
2079
af19b491
AKS		 2080 err = qlcnic_attach(adapter);
2081 if (err)
2082 return err;
2083
2084 err = __qlcnic_up(adapter, netdev);
2085 if (err)
2086 goto err_out;
2087
2088 netif_start_queue(netdev);
2089
2090 return 0;
2091
2092err_out:
2093 qlcnic_detach(adapter);
2094 return err;
2095}
2096
2097/*
2098 * qlcnic_close - Disables a network interface entry point
2099 */
2100static int qlcnic_close(struct net_device *netdev)
2101{
2102 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2103
2104 __qlcnic_down(adapter, netdev);
13159183
SC		 2105 if (qlcnic_83xx_check(adapter)) {
2106 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2107 cancel_delayed_work_sync(&adapter->idc_aen_work);
2108 }
2109
af19b491
AKS		 2110 return 0;
2111}
2112
e5dcf6dc 2113void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2114{
2115 void *head;
2116 int i;
13159183
SC		 2117 struct net_device *netdev = adapter->netdev;
2118 u32 filter_size = 0;
2119 u16 act_pci_func = 0;
b5e5492c 2120
e5dcf6dc 2121 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2122 return;
2123
13159183 2124 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c
AKS		 2125 spin_lock_init(&adapter->mac_learn_lock);
2126
13159183
SC		 2127 if (qlcnic_82xx_check(adapter)) {
2128 filter_size = QLCNIC_LB_MAX_FILTERS;
2129 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2130 } else {
2131 filter_size = QLC_83XX_LB_MAX_FILTERS;
2132 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2133 }
2134
2135 head = kcalloc(adapter->fhash.fbucket_size,
2136 sizeof(struct hlist_head), GFP_KERNEL);
2137
b5e5492c
AKS		 2138 if (!head)
2139 return;
2140
13159183 2141 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2142 adapter->fhash.fhead = head;
b5e5492c 2143
13159183
SC		 2144 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2145 act_pci_func, adapter->fhash.fmax);
2146
2147 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c
AKS		 2148 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2149}
2150
2151static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2152{
2153 if (adapter->fhash.fmax && adapter->fhash.fhead)
2154 kfree(adapter->fhash.fhead);
2155
2156 adapter->fhash.fhead = NULL;
2157 adapter->fhash.fmax = 0;
2158}
2159
629263ac 2160int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2161{
2162 struct net_device *netdev = adapter->netdev;
97ee45eb 2163 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2164 int rv = 0;
2165
13159183
SC		 2166 if (qlcnic_83xx_check(adapter))
2167 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2168
97ee45eb 2169 if (qlcnic_82xx_check(adapter))
a15ebd37 2170 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2171
2172 temp_state = qlcnic_get_temp_state(temp);
2173 temp_val = qlcnic_get_temp_val(temp);
2174
2175 if (temp_state == QLCNIC_TEMP_PANIC) {
2176 dev_err(&netdev->dev,
2177 "Device temperature %d degrees C exceeds"
2178 " maximum allowed. Hardware has been shut down.\n",
2179 temp_val);
2180 rv = 1;
2181 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2182 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2183 dev_err(&netdev->dev,
2184 "Device temperature %d degrees C "
2185 "exceeds operating range."
2186 " Immediate action needed.\n",
2187 temp_val);
2188 }
2189 } else {
79788450 2190 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2191 dev_info(&netdev->dev,
2192 "Device temperature is now %d degrees C"
2193 " in normal range.\n", temp_val);
2194 }
2195 }
79788450 2196 adapter->ahw->temp = temp_state;
af19b491
AKS		 2197 return rv;
2198}
2199
af19b491
AKS		 2200static void qlcnic_tx_timeout(struct net_device *netdev)
2201{
2202 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2203
2204 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2205 return;
2206
2207 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2208
2209 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2210 adapter->need_fw_reset = 1;
2211 else
79788450 2212 adapter->ahw->reset_context = 1;
af19b491
AKS		 2213}
2214
2215static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2216{
2217 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2218 struct net_device_stats *stats = &netdev->stats;
2219
af19b491
AKS		 2220 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2221 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2222 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2223 stats->tx_bytes = adapter->stats.txbytes;
2224 stats->rx_dropped = adapter->stats.rxdropped;
2225 stats->tx_dropped = adapter->stats.txdropped;
2226
2227 return stats;
2228}
2229
7e2cf4fe 2230irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2231{
af19b491
AKS		 2232 u32 status;
2233
2234 status = readl(adapter->isr_int_vec);
2235
79788450 2236 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2237 return IRQ_NONE;
2238
2239 /* check interrupt state machine, to be sure */
2240 status = readl(adapter->crb_int_state_reg);
2241 if (!ISR_LEGACY_INT_TRIGGERED(status))
2242 return IRQ_NONE;
2243
2244 writel(0xffffffff, adapter->tgt_status_reg);
2245 /* read twice to ensure write is flushed */
2246 readl(adapter->isr_int_vec);
2247 readl(adapter->isr_int_vec);
2248
7eb9855d
AKS		 2249 return IRQ_HANDLED;
2250}
2251
2252static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2253{
2254 struct qlcnic_host_sds_ring *sds_ring = data;
2255 struct qlcnic_adapter *adapter = sds_ring->adapter;
2256
2257 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2258 goto done;
2259 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2260 writel(0xffffffff, adapter->tgt_status_reg);
2261 goto done;
2262 }
2263
2264 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2265 return IRQ_NONE;
2266
2267done:
79788450 2268 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2269 qlcnic_enable_int(sds_ring);
2270 return IRQ_HANDLED;
2271}
2272
2273static irqreturn_t qlcnic_intr(int irq, void *data)
2274{
2275 struct qlcnic_host_sds_ring *sds_ring = data;
2276 struct qlcnic_adapter *adapter = sds_ring->adapter;
2277
2278 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2279 return IRQ_NONE;
2280
af19b491
AKS		 2281 napi_schedule(&sds_ring->napi);
2282
2283 return IRQ_HANDLED;
2284}
2285
2286static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2287{
2288 struct qlcnic_host_sds_ring *sds_ring = data;
2289 struct qlcnic_adapter *adapter = sds_ring->adapter;
2290
2291 /* clear interrupt */
2292 writel(0xffffffff, adapter->tgt_status_reg);
2293
2294 napi_schedule(&sds_ring->napi);
2295 return IRQ_HANDLED;
2296}
2297
2298static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2299{
2300 struct qlcnic_host_sds_ring *sds_ring = data;
2301
2302 napi_schedule(&sds_ring->napi);
2303 return IRQ_HANDLED;
2304}
2305
13159183
SC		 2306static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2307{
2308 struct qlcnic_host_tx_ring *tx_ring = data;
2309
2310 napi_schedule(&tx_ring->napi);
2311 return IRQ_HANDLED;
2312}
2313
af19b491
AKS		 2314#ifdef CONFIG_NET_POLL_CONTROLLER
2315static void qlcnic_poll_controller(struct net_device *netdev)
2316{
bf82791e
YL		 2317 int ring;
2318 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2319 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2320 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2321
af19b491 2322 disable_irq(adapter->irq);
bf82791e
YL		 2323 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2324 sds_ring = &recv_ctx->sds_rings[ring];
2325 qlcnic_intr(adapter->irq, sds_ring);
2326 }
af19b491
AKS		 2327 enable_irq(adapter->irq);
2328}
2329#endif
2330
6df900e9
SC		 2331static void
2332qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2333{
2334 u32 val;
2335
2336 val = adapter->portnum & 0xf;
2337 val |= encoding << 7;
2338 val |= (jiffies - adapter->dev_rst_time) << 8;
2339
a15ebd37 2340 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2341 adapter->dev_rst_time = jiffies;
2342}
2343
ade91f8e
AKS		 2344static int
2345qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2346{
2347 u32 val;
2348
2349 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2350 state != QLCNIC_DEV_NEED_QUISCENT);
2351
2352 if (qlcnic_api_lock(adapter))
ade91f8e 2353 return -EIO;
af19b491 2354
a15ebd37 2355 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2356
2357 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2358 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2359 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2360 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2361
a15ebd37 2362 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2363
2364 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2365
2366 return 0;
af19b491
AKS		 2367}
2368
1b95a839
AKS		 2369static int
2370qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2371{
2372 u32 val;
2373
2374 if (qlcnic_api_lock(adapter))
2375 return -EBUSY;
2376
a15ebd37 2377 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2378 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2379 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2380
2381 qlcnic_api_unlock(adapter);
2382
2383 return 0;
2384}
2385
af19b491 2386static void
21854f02 2387qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2388{
2389 u32 val;
2390
2391 if (qlcnic_api_lock(adapter))
2392 goto err;
2393
a15ebd37 2394 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2395 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2396 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2397
21854f02 2398 if (failed) {
a15ebd37
HM		 2399 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2400 QLCNIC_DEV_FAILED);
21854f02
AKS		 2401 dev_info(&adapter->pdev->dev,
2402 "Device state set to Failed. Please Reboot\n");
2403 } else if (!(val & 0x11111111))
a15ebd37
HM		 2404 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2405 QLCNIC_DEV_COLD);
af19b491 2406
a15ebd37 2407 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2408 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2409 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2410
2411 qlcnic_api_unlock(adapter);
2412err:
2413 adapter->fw_fail_cnt = 0;
032a13c7 2414 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2415 clear_bit(__QLCNIC_START_FW, &adapter->state);
2416 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2417}
2418
f73dfc50 2419/* Grab api lock, before checking state */
af19b491
AKS		 2420static int
2421qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2422{
602ca6f0 2423 int act, state, active_mask;
a15ebd37 2424 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2425
a15ebd37
HM		 2426 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2427 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2428
602ca6f0 2429 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2430 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2431 act = act & active_mask;
2432 }
2433
af19b491
AKS		 2434 if (((state & 0x11111111) == (act & 0x11111111)) ||
2435 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2436 return 0;
2437 else
2438 return 1;
2439}
2440
96f8118c
SC		 2441static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2442{
a15ebd37 2443 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2444
2445 if (val != QLCNIC_DRV_IDC_VER) {
2446 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2447 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2448 }
2449
2450 return 0;
2451}
2452
af19b491
AKS		 2453static int
2454qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2455{
2456 u32 val, prev_state;
aa5e18c0 2457 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2458 u8 portnum = adapter->portnum;
96f8118c 2459 u8 ret;
af19b491 2460
f73dfc50
AKS		 2461 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2462 return 1;
2463
af19b491
AKS		 2464 if (qlcnic_api_lock(adapter))
2465 return -1;
2466
a15ebd37 2467 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2468 if (!(val & (1 << (portnum * 4)))) {
2469 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2470 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2471 }
2472
a15ebd37 2473 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2474 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2475
2476 switch (prev_state) {
2477 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2478 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2479 QLCNIC_DEV_INITIALIZING);
2480 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2481 QLCNIC_DRV_IDC_VER);
6df900e9 2482 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2483 qlcnic_api_unlock(adapter);
2484 return 1;
2485
2486 case QLCNIC_DEV_READY:
96f8118c 2487 ret = qlcnic_check_idc_ver(adapter);
af19b491 2488 qlcnic_api_unlock(adapter);
96f8118c 2489 return ret;
af19b491
AKS		 2490
2491 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2492 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2493 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2494 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2495 break;
2496
2497 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2498 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2499 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2500 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2501 break;
2502
2503 case QLCNIC_DEV_FAILED:
a7fc948f 2504 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2505 qlcnic_api_unlock(adapter);
2506 return -1;
bbd8c6a4
AKS		 2507
2508 case QLCNIC_DEV_INITIALIZING:
2509 case QLCNIC_DEV_QUISCENT:
2510 break;
af19b491
AKS		 2511 }
2512
2513 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2514
2515 do {
af19b491 2516 msleep(1000);
a15ebd37 2517 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2518
2519 if (prev_state == QLCNIC_DEV_QUISCENT)
2520 continue;
2521 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2522
65b5b420
AKS		 2523 if (!dev_init_timeo) {
2524 dev_err(&adapter->pdev->dev,
2525 "Waiting for device to initialize timeout\n");
af19b491 2526 return -1;
65b5b420 2527 }
af19b491
AKS		 2528
2529 if (qlcnic_api_lock(adapter))
2530 return -1;
2531
a15ebd37 2532 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2533 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2534 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2535
96f8118c 2536 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2537 qlcnic_api_unlock(adapter);
2538
96f8118c 2539 return ret;
af19b491
AKS		 2540}
2541
2542static void
2543qlcnic_fwinit_work(struct work_struct *work)
2544{
2545 struct qlcnic_adapter *adapter = container_of(work,
2546 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2547 u32 dev_state = 0xf;
7b749ff4 2548 u32 val;
af19b491 2549
f73dfc50
AKS		 2550 if (qlcnic_api_lock(adapter))
2551 goto err_ret;
af19b491 2552
a15ebd37 2553 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2554 if (dev_state == QLCNIC_DEV_QUISCENT ||
2555 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2556 qlcnic_api_unlock(adapter);
2557 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2558 FW_POLL_DELAY * 2);
2559 return;
2560 }
2561
79788450 2562 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2563 qlcnic_api_unlock(adapter);
2564 goto wait_npar;
9f26f547
AC		 2565 }
2566
16e3cf73
SV		 2567 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2568 dev_state == QLCNIC_DEV_READY) {
2569 dev_info(&adapter->pdev->dev, "Detected state change from "
2570 "DEV_NEED_RESET, skipping ack check\n");
2571 goto skip_ack_check;
2572 }
2573
f73dfc50 2574 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2575 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2576 adapter->reset_ack_timeo);
2577 goto skip_ack_check;
2578 }
2579
2580 if (!qlcnic_check_drv_state(adapter)) {
2581skip_ack_check:
a15ebd37 2582 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2583
f73dfc50 2584 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2585 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2586 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2587 set_bit(__QLCNIC_START_FW, &adapter->state);
2588 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2589 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2590 val = QLC_SHARED_REG_RD32(adapter,
2591 QLCNIC_CRB_DRV_STATE);
7b749ff4 2592 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2593 QLC_SHARED_REG_WR32(adapter,
2594 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2595 }
2596
f73dfc50
AKS		 2597 qlcnic_api_unlock(adapter);
2598
287e38aa 2599 rtnl_lock();
7b749ff4
SV		 2600 if (adapter->ahw->fw_dump.enable &&
2601 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2602 QLCDB(adapter, DRV, "Take FW dump\n");
2603 qlcnic_dump_fw(adapter);
032a13c7 2604 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2605 }
287e38aa 2606 rtnl_unlock();
7b749ff4
SV		 2607
2608 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2609 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2610 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2611 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2612 return;
2613 }
af19b491
AKS		 2614 goto err_ret;
2615 }
2616
f73dfc50 2617 qlcnic_api_unlock(adapter);
aa5e18c0 2618
9f26f547 2619wait_npar:
a15ebd37 2620 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2621 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2622
af19b491 2623 switch (dev_state) {
3c4b23b1 2624 case QLCNIC_DEV_READY:
7e2cf4fe 2625 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2626 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2627 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2628 return;
2629 }
3c4b23b1
AKS		 2630 case QLCNIC_DEV_FAILED:
2631 break;
2632 default:
2633 qlcnic_schedule_work(adapter,
2634 qlcnic_fwinit_work, FW_POLL_DELAY);
2635 return;
af19b491
AKS		 2636 }
2637
2638err_ret:
f73dfc50
AKS		 2639 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2640 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2641 netif_device_attach(adapter->netdev);
21854f02 2642 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2643}
2644
2645static void
2646qlcnic_detach_work(struct work_struct *work)
2647{
2648 struct qlcnic_adapter *adapter = container_of(work,
2649 struct qlcnic_adapter, fw_work.work);
2650 struct net_device *netdev = adapter->netdev;
2651 u32 status;
2652
2653 netif_device_detach(netdev);
2654
b8c17620
AKS		 2655 /* Dont grab rtnl lock during Quiscent mode */
2656 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2657 if (netif_running(netdev))
2658 __qlcnic_down(adapter, netdev);
2659 } else
2660 qlcnic_down(adapter, netdev);
af19b491 2661
a15ebd37 2662 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2663
44f65b29
SC		 2664 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2665 dev_err(&adapter->pdev->dev,
2666 "Detaching the device: peg halt status1=0x%x\n",
2667 status);
2668
2669 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2670 dev_err(&adapter->pdev->dev,
2671 "On board active cooling fan failed. "
2672 "Device has been halted.\n");
2673 dev_err(&adapter->pdev->dev,
2674 "Replace the adapter.\n");
2675 }
2676
af19b491 2677 goto err_ret;
44f65b29 2678 }
af19b491 2679
79788450 2680 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2681 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2682 adapter->ahw->temp);
af19b491 2683 goto err_ret;
44f65b29
SC		 2684 }
2685
602ca6f0
SV		 2686 /* Dont ack if this instance is the reset owner */
2687 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2688 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2689 dev_err(&adapter->pdev->dev,
2690 "Failed to set driver state,"
2691 "detaching the device.\n");
602ca6f0 2692 goto err_ret;
44f65b29 2693 }
602ca6f0 2694 }
af19b491
AKS		 2695
2696 adapter->fw_wait_cnt = 0;
2697
2698 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2699
2700 return;
2701
2702err_ret:
34ce3626 2703 netif_device_attach(netdev);
21854f02 2704 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2705}
2706
3c4b23b1
AKS		 2707/*Transit NPAR state to NON Operational */
2708static void
2709qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2710{
2711 u32 state;
2712
a15ebd37 2713 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2714 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2715 return;
2716
2717 if (qlcnic_api_lock(adapter))
2718 return;
a15ebd37
HM		 2719 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2720 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2721 qlcnic_api_unlock(adapter);
2722}
2723
7e2cf4fe 2724void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2725{
646779f1
SV		 2726 u32 state, xg_val = 0, gb_val = 0;
2727
2728 qlcnic_xg_set_xg0_mask(xg_val);
2729 qlcnic_xg_set_xg1_mask(xg_val);
2730 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2731 qlcnic_gb_set_gb0_mask(gb_val);
2732 qlcnic_gb_set_gb1_mask(gb_val);
2733 qlcnic_gb_set_gb2_mask(gb_val);
2734 qlcnic_gb_set_gb3_mask(gb_val);
2735 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2736 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2737 " on all ports\n");
cea8975e 2738 adapter->need_fw_reset = 1;
13159183 2739
af19b491
AKS		 2740 if (qlcnic_api_lock(adapter))
2741 return;
2742
13159183 2743 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2744
f73dfc50 2745 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2746 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2747 QLCNIC_DEV_NEED_RESET);
602ca6f0 2748 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2749 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2750 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2751 }
2752
13159183
SC		 2753 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2754 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2755 qlcnic_api_unlock(adapter);
2756}
2757
9f26f547
AC		 2758/* Transit to NPAR READY state from NPAR NOT READY state */
2759static void
2760qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2761{
9f26f547
AC		 2762 if (qlcnic_api_lock(adapter))
2763 return;
2764
a15ebd37
HM		 2765 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2766 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2767 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2768
2769 qlcnic_api_unlock(adapter);
2770}
2771
13159183
SC		 2772void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2773 work_func_t func, int delay)
af19b491 2774{
451724c8
SC		 2775 if (test_bit(__QLCNIC_AER, &adapter->state))
2776 return;
2777
af19b491 2778 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2779 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2780 round_jiffies_relative(delay));
af19b491
AKS		 2781}
2782
2783static void
2784qlcnic_attach_work(struct work_struct *work)
2785{
2786 struct qlcnic_adapter *adapter = container_of(work,
2787 struct qlcnic_adapter, fw_work.work);
2788 struct net_device *netdev = adapter->netdev;
b18971d1 2789 u32 npar_state;
af19b491 2790
79788450 2791 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2792 npar_state = QLC_SHARED_REG_RD32(adapter,
2793 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2794 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2795 qlcnic_clr_all_drv_state(adapter, 0);
2796 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2797 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2798 FW_POLL_DELAY);
2799 else
2800 goto attach;
2801 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2802 return;
2803 }
2804attach:
af19b491 2805 if (netif_running(netdev)) {
52486a3a 2806 if (qlcnic_up(adapter, netdev))
af19b491 2807 goto done;
af19b491 2808
aec1e845 2809 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2810 }
2811
af19b491 2812done:
34ce3626 2813 netif_device_attach(netdev);
af19b491 2814 adapter->fw_fail_cnt = 0;
032a13c7 2815 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2816 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2817
2818 if (!qlcnic_clr_drv_state(adapter))
2819 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2820 FW_POLL_DELAY);
af19b491
AKS		 2821}
2822
2823static int
2824qlcnic_check_health(struct qlcnic_adapter *adapter)
2825{
4e70812b 2826 u32 state = 0, heartbeat;
853d4bca 2827 u32 peg_status;
af19b491
AKS		 2828
2829 if (qlcnic_check_temp(adapter))
2830 goto detach;
2831
2372a5f1 2832 if (adapter->need_fw_reset)
7e2cf4fe 2833 qlcnic_dev_request_reset(adapter, 0);
af19b491 2834
a15ebd37 2835 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2836 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2837 qlcnic_set_npar_non_operational(adapter);
af19b491 2838 adapter->need_fw_reset = 1;
b8c17620
AKS		 2839 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2840 goto detach;
af19b491 2841
a15ebd37 2842 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2843 if (heartbeat != adapter->heartbeat) {
2844 adapter->heartbeat = heartbeat;
af19b491
AKS		 2845 adapter->fw_fail_cnt = 0;
2846 if (adapter->need_fw_reset)
2847 goto detach;
68bf1c68 2848
099f7aa7 2849 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2850 qlcnic_reset_hw_context(adapter);
2851 adapter->netdev->trans_start = jiffies;
2852 }
2853
af19b491
AKS		 2854 return 0;
2855 }
2856
2857 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2858 return 0;
2859
032a13c7
SV		 2860 adapter->flags |= QLCNIC_FW_HANG;
2861
7e2cf4fe 2862 qlcnic_dev_request_reset(adapter, 0);
af19b491 2863
099f7aa7 2864 if (qlcnic_auto_fw_reset)
0df170b6 2865 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2866
853d4bca 2867 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2868 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2869 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2870 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2871 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2872 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2873 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2874 peg_status,
2875 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2876 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2877 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2878 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2879 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2880 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2881 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2882 dev_err(&adapter->pdev->dev,
2883 "Firmware aborted with error code 0x00006700. "
2884 "Device is being reset.\n");
af19b491
AKS		 2885detach:
2886 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2887 QLCNIC_DEV_NEED_RESET;
2888
099f7aa7
SC		 2889 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2890 &adapter->state)) {
65b5b420 2891
af19b491 2892 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2893 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2894 }
af19b491
AKS		 2895
2896 return 1;
2897}
2898
2899static void
2900qlcnic_fw_poll_work(struct work_struct *work)
2901{
2902 struct qlcnic_adapter *adapter = container_of(work,
2903 struct qlcnic_adapter, fw_work.work);
2904
2905 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2906 goto reschedule;
2907
2908
2909 if (qlcnic_check_health(adapter))
2910 return;
2911
b5e5492c
AKS		 2912 if (adapter->fhash.fnum)
2913 qlcnic_prune_lb_filters(adapter);
2914
af19b491
AKS		 2915reschedule:
2916 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2917}
2918
451724c8
SC		 2919static int qlcnic_is_first_func(struct pci_dev *pdev)
2920{
2921 struct pci_dev *oth_pdev;
2922 int val = pdev->devfn;
2923
2924 while (val-- > 0) {
2925 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2926 (pdev->bus), pdev->bus->number,
2927 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 2928 if (!oth_pdev)
2929 continue;
451724c8 2930
bfc978fa
AKS		 2931 if (oth_pdev->current_state != PCI_D3cold) {
2932 pci_dev_put(oth_pdev);
451724c8 2933 return 0;
bfc978fa
AKS		 2934 }
2935 pci_dev_put(oth_pdev);
451724c8
SC		 2936 }
2937 return 1;
2938}
2939
2940static int qlcnic_attach_func(struct pci_dev *pdev)
2941{
2942 int err, first_func;
2943 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2944 struct net_device *netdev = adapter->netdev;
2945
2946 pdev->error_state = pci_channel_io_normal;
2947
2948 err = pci_enable_device(pdev);
2949 if (err)
2950 return err;
2951
2952 pci_set_power_state(pdev, PCI_D0);
2953 pci_set_master(pdev);
2954 pci_restore_state(pdev);
2955
2956 first_func = qlcnic_is_first_func(pdev);
2957
2958 if (qlcnic_api_lock(adapter))
2959 return -EINVAL;
2960
79788450 2961 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 2962 adapter->need_fw_reset = 1;
2963 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 2964 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2965 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 2966 QLCDB(adapter, DRV, "Restarting fw\n");
2967 }
2968 qlcnic_api_unlock(adapter);
2969
13159183 2970 err = qlcnic_start_firmware(adapter);
451724c8
SC		 2971 if (err)
2972 return err;
2973
2974 qlcnic_clr_drv_state(adapter);
13159183
SC		 2975 kfree(adapter->msix_entries);
2976 adapter->msix_entries = NULL;
2977 err = qlcnic_setup_intr(adapter, 0);
2978
2979 if (qlcnic_83xx_check(adapter)) {
2980 err = qlcnic_83xx_setup_mbx_intr(adapter);
2981 if (err) {
2982 dev_err(&adapter->pdev->dev,
2983 "failed to setup mbx interrupt\n");
2984 qlcnic_clr_all_drv_state(adapter, 1);
2985 clear_bit(__QLCNIC_AER, &adapter->state);
2986 goto done;
2987 }
2988 }
451724c8
SC		 2989
2990 if (netif_running(netdev)) {
2991 err = qlcnic_attach(adapter);
2992 if (err) {
21854f02 2993 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 2994 clear_bit(__QLCNIC_AER, &adapter->state);
2995 netif_device_attach(netdev);
2996 return err;
2997 }
2998
2999 err = qlcnic_up(adapter, netdev);
3000 if (err)
3001 goto done;
3002
aec1e845 3003 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3004 }
3005 done:
3006 netif_device_attach(netdev);
3007 return err;
3008}
3009
3010static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3011 pci_channel_state_t state)
3012{
3013 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3014 struct net_device *netdev = adapter->netdev;
3015
3016 if (state == pci_channel_io_perm_failure)
3017 return PCI_ERS_RESULT_DISCONNECT;
3018
3019 if (state == pci_channel_io_normal)
3020 return PCI_ERS_RESULT_RECOVERED;
3021
3022 set_bit(__QLCNIC_AER, &adapter->state);
3023 netif_device_detach(netdev);
3024
3025 cancel_delayed_work_sync(&adapter->fw_work);
3026
3027 if (netif_running(netdev))
3028 qlcnic_down(adapter, netdev);
3029
13159183
SC		 3030 if (qlcnic_83xx_check(adapter)) {
3031 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3032 qlcnic_83xx_config_intrpt(adapter, 0);
3033 qlcnic_83xx_free_mbx_intr(adapter);
3034 }
3035
451724c8
SC		 3036 qlcnic_detach(adapter);
3037 qlcnic_teardown_intr(adapter);
3038
3039 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3040
3041 pci_save_state(pdev);
3042 pci_disable_device(pdev);
3043
3044 return PCI_ERS_RESULT_NEED_RESET;
3045}
3046
3047static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3048{
3049 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3050 PCI_ERS_RESULT_RECOVERED;
3051}
3052
3053static void qlcnic_io_resume(struct pci_dev *pdev)
3054{
a15ebd37 3055 u32 state;
451724c8
SC		 3056 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3057
3058 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3059 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3060 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3061 &adapter->state))
451724c8
SC		 3062 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3063 FW_POLL_DELAY);
3064}
3065
87eb743b
AC		 3066static int
3067qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3068{
3069 int err;
3070
3071 err = qlcnic_can_start_firmware(adapter);
3072 if (err)
3073 return err;
3074
78f84e1a
AKS		 3075 err = qlcnic_check_npar_opertional(adapter);
3076 if (err)
3077 return err;
3c4b23b1 3078
174240a8
RB		 3079 err = qlcnic_initialize_nic(adapter);
3080 if (err)
3081 return err;
3082
87eb743b
AC		 3083 qlcnic_check_options(adapter);
3084
7373373d
RB		 3085 err = qlcnic_set_eswitch_port_config(adapter);
3086 if (err)
3087 return err;
3088
87eb743b
AC		 3089 adapter->need_fw_reset = 0;
3090
3091 return err;
3092}
3093
319ecf12 3094int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3095{
319ecf12
SC		 3096 u32 max_allowed;
3097
3098 if (max_hw > QLC_MAX_SDS_RINGS) {
3099 max_hw = QLC_MAX_SDS_RINGS;
3100 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3101 }
3102
319ecf12
SC		 3103 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3104 num_online_cpus()));
3105 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3106 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3107 max_allowed);
f94bc1e7
SC		 3108 return -EINVAL;
3109 }
3110 return 0;
f94bc1e7
SC		 3111}
3112
319ecf12 3113int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3114{
13159183 3115 int err;
f94bc1e7 3116 struct net_device *netdev = adapter->netdev;
f94bc1e7 3117
319ecf12
SC		 3118 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3119 return -EBUSY;
3120
f94bc1e7
SC		 3121 netif_device_detach(netdev);
3122 if (netif_running(netdev))
3123 __qlcnic_down(adapter, netdev);
13159183 3124
319ecf12 3125 if (qlcnic_82xx_check(adapter)) {
13159183
SC		 3126 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3127 qlcnic_83xx_config_intrpt(adapter, 0);
3128 qlcnic_83xx_free_mbx_intr(adapter);
3129 }
3130
f94bc1e7
SC		 3131 qlcnic_detach(adapter);
3132 qlcnic_teardown_intr(adapter);
319ecf12 3133 err = qlcnic_setup_intr(adapter, data);
13159183
SC		 3134 if (err)
3135 dev_err(&adapter->pdev->dev,
3136 "failed setting max_rss; rss disabled\n");
f94bc1e7 3137
13159183
SC		 3138 if (qlcnic_83xx_check(adapter)) {
3139 err = qlcnic_83xx_setup_mbx_intr(adapter);
3140 if (err) {
3141 dev_err(&adapter->pdev->dev,
3142 "failed to setup mbx interrupt\n");
3143 goto done;
3144 }
f94bc1e7
SC		 3145 }
3146
3147 if (netif_running(netdev)) {
3148 err = qlcnic_attach(adapter);
3149 if (err)
3150 goto done;
3151 err = __qlcnic_up(adapter, netdev);
3152 if (err)
3153 goto done;
3154 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3155 }
319ecf12 3156 err = len;
f94bc1e7
SC		 3157 done:
3158 netif_device_attach(netdev);
3159 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3160 return err;
3161}
3162
af19b491
AKS		 3163#ifdef CONFIG_INET
3164
3165#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3166
af19b491 3167static void
aec1e845
AKS		 3168qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3169 struct net_device *dev, unsigned long event)
af19b491
AKS		 3170{
3171 struct in_device *indev;
af19b491 3172
af19b491
AKS		 3173 indev = in_dev_get(dev);
3174 if (!indev)
3175 return;
3176
3177 for_ifa(indev) {
3178 switch (event) {
3179 case NETDEV_UP:
3180 qlcnic_config_ipaddr(adapter,
3181 ifa->ifa_address, QLCNIC_IP_UP);
3182 break;
3183 case NETDEV_DOWN:
3184 qlcnic_config_ipaddr(adapter,
3185 ifa->ifa_address, QLCNIC_IP_DOWN);
3186 break;
3187 default:
3188 break;
3189 }
3190 } endfor_ifa(indev);
3191
3192 in_dev_put(indev);
af19b491
AKS		 3193}
3194
319ecf12 3195void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3196{
3197 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3198 struct net_device *dev;
3199 u16 vid;
3200
3201 qlcnic_config_indev_addr(adapter, netdev, event);
3202
43c00a75 3203 rcu_read_lock();
b9796a14 3204 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3205 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3206 if (!dev)
3207 continue;
aec1e845
AKS		 3208 qlcnic_config_indev_addr(adapter, dev, event);
3209 }
43c00a75 3210 rcu_read_unlock();
aec1e845
AKS		 3211}
3212
af19b491
AKS		 3213static int qlcnic_netdev_event(struct notifier_block *this,
3214 unsigned long event, void *ptr)
3215{
3216 struct qlcnic_adapter *adapter;
3217 struct net_device *dev = (struct net_device *)ptr;
3218
3219recheck:
3220 if (dev == NULL)
3221 goto done;
3222
3223 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3224 dev = vlan_dev_real_dev(dev);
3225 goto recheck;
3226 }
3227
3228 if (!is_qlcnic_netdev(dev))
3229 goto done;
3230
3231 adapter = netdev_priv(dev);
3232
3233 if (!adapter)
3234 goto done;
3235
8a15ad1f 3236 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3237 goto done;
3238
aec1e845 3239 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3240done:
3241 return NOTIFY_DONE;
3242}
3243
3244static int
3245qlcnic_inetaddr_event(struct notifier_block *this,
3246 unsigned long event, void *ptr)
3247{
3248 struct qlcnic_adapter *adapter;
3249 struct net_device *dev;
3250
3251 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3252
3253 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3254
3255recheck:
aec1e845 3256 if (dev == NULL)
af19b491
AKS		 3257 goto done;
3258
3259 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3260 dev = vlan_dev_real_dev(dev);
3261 goto recheck;
3262 }
3263
3264 if (!is_qlcnic_netdev(dev))
3265 goto done;
3266
3267 adapter = netdev_priv(dev);
3268
251a84c9 3269 if (!adapter)
af19b491
AKS		 3270 goto done;
3271
8a15ad1f 3272 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3273 goto done;
3274
3275 switch (event) {
3276 case NETDEV_UP:
3277 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3278
af19b491
AKS		 3279 break;
3280 case NETDEV_DOWN:
3281 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3282
af19b491
AKS		 3283 break;
3284 default:
3285 break;
3286 }
3287
3288done:
3289 return NOTIFY_DONE;
3290}
3291
3292static struct notifier_block qlcnic_netdev_cb = {
3293 .notifier_call = qlcnic_netdev_event,
3294};
3295
3296static struct notifier_block qlcnic_inetaddr_cb = {
3297 .notifier_call = qlcnic_inetaddr_event,
3298};
3299#else
f8ca2b6f 3300void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3301{ }
3302#endif
63507592 3303static struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3304 .error_detected = qlcnic_io_error_detected,
3305 .slot_reset = qlcnic_io_slot_reset,
3306 .resume = qlcnic_io_resume,
3307};
af19b491
AKS		 3308
3309static struct pci_driver qlcnic_driver = {
3310 .name = qlcnic_driver_name,
3311 .id_table = qlcnic_pci_tbl,
3312 .probe = qlcnic_probe,
6bb58bb0 3313 .remove = qlcnic_remove,
af19b491
AKS		 3314#ifdef CONFIG_PM
3315 .suspend = qlcnic_suspend,
3316 .resume = qlcnic_resume,
3317#endif
451724c8
SC		 3318 .shutdown = qlcnic_shutdown,
3319 .err_handler = &qlcnic_err_handler
3320
af19b491
AKS		 3321};
3322
3323static int __init qlcnic_init_module(void)
3324{
0cf3a14c 3325 int ret;
af19b491
AKS		 3326
3327 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3328
3329#ifdef CONFIG_INET
3330 register_netdevice_notifier(&qlcnic_netdev_cb);
3331 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3332#endif
3333
0cf3a14c
AKS		 3334 ret = pci_register_driver(&qlcnic_driver);
3335 if (ret) {
3336#ifdef CONFIG_INET
3337 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3338 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3339#endif
3340 }
af19b491 3341
0cf3a14c 3342 return ret;
af19b491
AKS		 3343}
3344
3345module_init(qlcnic_init_module);
3346
3347static void __exit qlcnic_exit_module(void)
3348{
af19b491
AKS		 3349 pci_unregister_driver(&qlcnic_driver);
3350
3351#ifdef CONFIG_INET
3352 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3353 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3354#endif
3355}
3356
3357module_exit(qlcnic_exit_module);
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