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qlcnic: 83xx register dump routines
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
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af19b491 1/*
40839129
SV		 2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
af19b491 4 *
13159183
SC		 5 * PCI searching functions pci_get_domain_bus_and_slot & pci_channel_offline
6 * Copyright (C) 1993 -- 1997 Drew Eckhardt, Frederic Potter,
7 * David Mosberger-Tang
8 * Copyright (C) 1997 -- 2000 Martin Mares <mj@ucw.cz>
9 * Copyright (C) 2003 -- 2004 Greg Kroah-Hartman <greg@kroah.com>.
10 *
40839129 11 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 12 */
13
14#include <linux/vmalloc.h>
15#include <linux/interrupt.h>
16
17#include "qlcnic.h"
a15ebd37 18#include "qlcnic_hw.h"
af19b491 19
7e56cac4 20#include <linux/swab.h>
af19b491 21#include <linux/dma-mapping.h>
13159183 22#include <linux/if_vlan.h>
af19b491
AKS		 23#include <net/ip.h>
24#include <linux/ipv6.h>
25#include <linux/inetdevice.h>
451724c8 26#include <linux/aer.h>
f94bc1e7 27#include <linux/log2.h>
af19b491 28
7f9a0c34 29MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 30MODULE_LICENSE("GPL");
31MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
32MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
33
34char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 35static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
36 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 37
b5e5492c 38static int qlcnic_mac_learn;
b11a25aa 39module_param(qlcnic_mac_learn, int, 0444);
b5e5492c
AKS		 40MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
41
629263ac 42int qlcnic_use_msi = 1;
af19b491 43MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
099f7aa7 44module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 45
629263ac 46int qlcnic_use_msi_x = 1;
af19b491 47MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
099f7aa7 48module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 49
629263ac 50int qlcnic_auto_fw_reset = 1;
af19b491 51MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
099f7aa7 52module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 53
629263ac 54int qlcnic_load_fw_file;
4d5bdb38 55MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 56module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 57
629263ac 58int qlcnic_config_npars;
b11a25aa 59module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 60MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
61
1dd06ae8 62static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 63static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 64static int qlcnic_open(struct net_device *netdev);
65static int qlcnic_close(struct net_device *netdev);
af19b491 66static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 67static void qlcnic_attach_work(struct work_struct *work);
68static void qlcnic_fwinit_work(struct work_struct *work);
69static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 70#ifdef CONFIG_NET_POLL_CONTROLLER
71static void qlcnic_poll_controller(struct net_device *netdev);
72#endif
73
6df900e9 74static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 75static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 76static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
77
7eb9855d 78static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 79static irqreturn_t qlcnic_intr(int irq, void *data);
80static irqreturn_t qlcnic_msi_intr(int irq, void *data);
81static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 82static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 83
84static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 85static int qlcnic_start_firmware(struct qlcnic_adapter *);
86
b5e5492c 87static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 88static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 89static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 90static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
91 struct qlcnic_esw_func_cfg *);
8e586137
JP		 92static int qlcnic_vlan_rx_add(struct net_device *, u16);
93static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 94
bff57d8e
SC		 95#define QLCNIC_IS_TSO_CAPABLE(adapter) \
96 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
97
13159183
SC		 98static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
99{
100 struct qlcnic_hardware_context *ahw = adapter->ahw;
101
102 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
103 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
104 else
105 return 1;
106}
107
af19b491
AKS		 108/* PCI Device ID Table */
109#define ENTRY(device) \
110 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
111 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
112
6a902881 113static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 115 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
af19b491
AKS		 116 {0,}
117};
118
119MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
120
121
5ad6ff9d 122inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 123{
124 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 125}
126
127static const u32 msi_tgt_status[8] = {
128 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
129 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
130 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
131 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
132};
133
7e2cf4fe
SC		 134static const u32 qlcnic_reg_tbl[] = {
135 0x1B20A8, /* PEG_HALT_STAT1 */
136 0x1B20AC, /* PEG_HALT_STAT2 */
137 0x1B20B0, /* FW_HEARTBEAT */
138 0x1B2100, /* LOCK ID */
139 0x1B2128, /* FW_CAPABILITIES */
140 0x1B2138, /* drv active */
141 0x1B2140, /* dev state */
142 0x1B2144, /* drv state */
143 0x1B2148, /* drv scratch */
144 0x1B214C, /* dev partition info */
145 0x1B2174, /* drv idc ver */
146 0x1B2150, /* fw version major */
147 0x1B2154, /* fw version minor */
148 0x1B2158, /* fw version sub */
149 0x1B219C, /* npar state */
150 0x1B21FC, /* FW_IMG_VALID */
151 0x1B2250, /* CMD_PEG_STATE */
152 0x1B233C, /* RCV_PEG_STATE */
153 0x1B23B4, /* ASIC TEMP */
154 0x1B216C, /* FW api */
155 0x1B2170, /* drv op mode */
156 0x13C010, /* flash lock */
157 0x13C014, /* flash unlock */
158};
159
22999798
SC		 160static const struct qlcnic_board_info qlcnic_boards[] = {
161 {0x1077, 0x8020, 0x1077, 0x203,
162 "8200 Series Single Port 10GbE Converged Network Adapter"
163 "(TCP/IP Networking)"},
164 {0x1077, 0x8020, 0x1077, 0x207,
165 "8200 Series Dual Port 10GbE Converged Network Adapter"
166 "(TCP/IP Networking)"},
167 {0x1077, 0x8020, 0x1077, 0x20b,
168 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
169 {0x1077, 0x8020, 0x1077, 0x20c,
170 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
171 {0x1077, 0x8020, 0x1077, 0x20f,
172 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
173 {0x1077, 0x8020, 0x103c, 0x3733,
174 "NC523SFP 10Gb 2-port Server Adapter"},
175 {0x1077, 0x8020, 0x103c, 0x3346,
176 "CN1000Q Dual Port Converged Network Adapter"},
177 {0x1077, 0x8020, 0x1077, 0x210,
178 "QME8242-k 10GbE Dual Port Mezzanine Card"},
179 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
180};
181
182#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 183#define QLC_MAX_SDS_RINGS 8
22999798 184
af19b491
AKS		 185static const
186struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
187
c70001a9 188int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 189{
190 int size = sizeof(struct qlcnic_host_sds_ring) * count;
191
192 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
193
807540ba 194 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 195}
196
c70001a9 197void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 198{
199 if (recv_ctx->sds_rings != NULL)
200 kfree(recv_ctx->sds_rings);
201
202 recv_ctx->sds_rings = NULL;
203}
204
af19b491
AKS		 205static int
206qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
207{
2e9d722d 208 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 209 struct net_device *netdev = adapter->netdev;
210 struct pci_dev *pdev = adapter->pdev;
211
da48e6c3 212 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 213 return -EIO;
214
2e9d722d 215 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 216 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
217 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
218
219 /* set station address */
220
221 if (!is_valid_ether_addr(netdev->perm_addr))
222 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
223 netdev->dev_addr);
224
225 return 0;
226}
227
228static int qlcnic_set_mac(struct net_device *netdev, void *p)
229{
230 struct qlcnic_adapter *adapter = netdev_priv(netdev);
231 struct sockaddr *addr = p;
232
7373373d
RB		 233 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
234 return -EOPNOTSUPP;
235
af19b491 236 if (!is_valid_ether_addr(addr->sa_data))
13159183 237 return -EINVAL;
af19b491 238
8a15ad1f 239 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 240 netif_device_detach(netdev);
241 qlcnic_napi_disable(adapter);
242 }
243
244 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
245 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
246 qlcnic_set_multi(adapter->netdev);
247
8a15ad1f 248 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 249 netif_device_attach(netdev);
250 qlcnic_napi_enable(adapter);
251 }
252 return 0;
253}
254
7e2cf4fe
SC		 255static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
256{
257 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
258 usleep_range(10000, 11000);
259
260 cancel_delayed_work_sync(&adapter->fw_work);
261}
262
af19b491
AKS		 263static const struct net_device_ops qlcnic_netdev_ops = {
264 .ndo_open = qlcnic_open,
265 .ndo_stop = qlcnic_close,
266 .ndo_start_xmit = qlcnic_xmit_frame,
267 .ndo_get_stats = qlcnic_get_stats,
268 .ndo_validate_addr = eth_validate_addr,
afc4b13d 269 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 270 .ndo_set_mac_address = qlcnic_set_mac,
271 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 272 .ndo_fix_features = qlcnic_fix_features,
273 .ndo_set_features = qlcnic_set_features,
af19b491 274 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 275 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
276 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
af19b491
AKS		 277#ifdef CONFIG_NET_POLL_CONTROLLER
278 .ndo_poll_controller = qlcnic_poll_controller,
279#endif
280};
281
b43e5ee7
SC		 282static const struct net_device_ops qlcnic_netdev_failed_ops = {
283 .ndo_open = qlcnic_open,
284};
285
2e9d722d 286static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 287 .config_bridged_mode = qlcnic_config_bridged_mode,
288 .config_led = qlcnic_82xx_config_led,
289 .start_firmware = qlcnic_82xx_start_firmware,
290 .request_reset = qlcnic_82xx_dev_request_reset,
291 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
292 .napi_add = qlcnic_82xx_napi_add,
4be41e92 293 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 294 .config_ipaddr = qlcnic_82xx_config_ipaddr,
295 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
296};
297
298struct qlcnic_nic_template qlcnic_vf_ops = {
299 .config_bridged_mode = qlcnicvf_config_bridged_mode,
300 .config_led = qlcnicvf_config_led,
301 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 302};
303
7e2cf4fe
SC		 304static struct qlcnic_hardware_ops qlcnic_hw_ops = {
305 .read_crb = qlcnic_82xx_read_crb,
306 .write_crb = qlcnic_82xx_write_crb,
307 .read_reg = qlcnic_82xx_hw_read_wx_2M,
308 .write_reg = qlcnic_82xx_hw_write_wx_2M,
309 .get_mac_address = qlcnic_82xx_get_mac_address,
310 .setup_intr = qlcnic_82xx_setup_intr,
311 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
312 .mbx_cmd = qlcnic_82xx_issue_cmd,
313 .get_func_no = qlcnic_82xx_get_func_no,
314 .api_lock = qlcnic_82xx_api_lock,
315 .api_unlock = qlcnic_82xx_api_unlock,
316 .add_sysfs = qlcnic_82xx_add_sysfs,
317 .remove_sysfs = qlcnic_82xx_remove_sysfs,
318 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
319 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
320 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
321 .setup_link_event = qlcnic_82xx_linkevent_request,
322 .get_nic_info = qlcnic_82xx_get_nic_info,
323 .get_pci_info = qlcnic_82xx_get_pci_info,
324 .set_nic_info = qlcnic_82xx_set_nic_info,
325 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
326 .napi_enable = qlcnic_82xx_napi_enable,
327 .napi_disable = qlcnic_82xx_napi_disable,
328 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
329 .config_rss = qlcnic_82xx_config_rss,
330 .config_hw_lro = qlcnic_82xx_config_hw_lro,
331 .config_loopback = qlcnic_82xx_set_lb_mode,
332 .clear_loopback = qlcnic_82xx_clear_lb_mode,
333 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
334 .change_l2_filter = qlcnic_82xx_change_filter,
335 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 336};
337
7f966452 338int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 339{
af19b491 340 struct pci_dev *pdev = adapter->pdev;
13159183
SC		 341 int err = -1, i;
342 int max_tx_rings;
343
344 if (!adapter->msix_entries) {
345 adapter->msix_entries = kcalloc(num_msix,
346 sizeof(struct msix_entry),
347 GFP_KERNEL);
348 if (!adapter->msix_entries) {
349 dev_err(&pdev->dev, "failed allocating msix_entries\n");
350 return -ENOMEM;
351 }
352 }
af19b491
AKS		 353
354 adapter->max_sds_rings = 1;
af19b491 355 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 356
79788450 357 if (adapter->ahw->msix_supported) {
f94bc1e7 358 enable_msix:
13159183
SC		 359 for (i = 0; i < num_msix; i++)
360 adapter->msix_entries[i].entry = i;
af19b491
AKS		 361 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
362 if (err == 0) {
363 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 364 if (qlcnic_83xx_check(adapter)) {
365 adapter->ahw->num_msix = num_msix;
366 /* subtract mail box and tx ring vectors */
367 max_tx_rings = adapter->max_drv_tx_rings;
368 adapter->max_sds_rings = num_msix -
369 max_tx_rings - 1;
370 } else {
371 adapter->max_sds_rings = num_msix;
372 }
af19b491 373 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 374 return err;
13159183
SC		 375 } else if (err > 0) {
376 dev_info(&pdev->dev,
377 "Unable to allocate %d MSI-X interrupt vectors\n",
378 num_msix);
379 if (qlcnic_83xx_check(adapter)) {
380 if (err < QLC_83XX_MINIMUM_VECTOR)
381 return err;
382 err -= (adapter->max_drv_tx_rings + 1);
383 num_msix = rounddown_pow_of_two(err);
384 num_msix += (adapter->max_drv_tx_rings + 1);
385 } else {
386 num_msix = rounddown_pow_of_two(err);
387 }
388
389 if (num_msix) {
390 dev_info(&pdev->dev,
391 "Trying %d MSI-X interrupt vectors\n",
392 num_msix);
f94bc1e7 393 goto enable_msix;
13159183
SC		 394 }
395 } else {
396 dev_info(&pdev->dev, "Failed to get %d vectors\n",
397 num_msix);
f94bc1e7
SC		 398 }
399 }
13159183 400
f94bc1e7
SC		 401 return err;
402}
af19b491 403
f94bc1e7
SC		 404static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
405{
15087c2b 406 u32 offset, mask_reg;
f94bc1e7 407 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 408 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 409 struct pci_dev *pdev = adapter->pdev;
af19b491 410
099f7aa7 411 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 412 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 413 offset = msi_tgt_status[adapter->ahw->pci_func];
414 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
415 offset);
af19b491
AKS		 416 dev_info(&pdev->dev, "using msi interrupts\n");
417 adapter->msix_entries[0].vector = pdev->irq;
418 return;
419 }
420
f94bc1e7 421 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 422 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 423 offset = legacy_intrp->tgt_status_reg;
424 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
425 mask_reg = legacy_intrp->tgt_mask_reg;
426 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
427 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
428 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 429 dev_info(&pdev->dev, "using legacy interrupts\n");
430 adapter->msix_entries[0].vector = pdev->irq;
431}
432
7e2cf4fe 433int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 434{
7e2cf4fe 435 int num_msix, err;
f94bc1e7 436
7e2cf4fe
SC		 437 if (!num_intr)
438 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
439
440 if (adapter->ahw->msix_supported)
5f6ec29a 441 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 442 num_intr));
443 else
f94bc1e7
SC		 444 num_msix = 1;
445
7e2cf4fe
SC		 446 err = qlcnic_enable_msix(adapter, num_msix);
447 if (err == -ENOMEM || !err)
448 return err;
f94bc1e7
SC		 449
450 qlcnic_enable_msi_legacy(adapter);
7e2cf4fe 451 return 0;
f94bc1e7 452}
13159183 453
319ecf12 454void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 455{
456 if (adapter->flags & QLCNIC_MSIX_ENABLED)
457 pci_disable_msix(adapter->pdev);
458 if (adapter->flags & QLCNIC_MSI_ENABLED)
459 pci_disable_msi(adapter->pdev);
13159183
SC		 460
461 kfree(adapter->msix_entries);
462 adapter->msix_entries = NULL;
463
464 if (adapter->ahw->intr_tbl) {
465 vfree(adapter->ahw->intr_tbl);
466 adapter->ahw->intr_tbl = NULL;
467 }
af19b491
AKS		 468}
469
470static void
471qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
472{
b1fc6d3c
AC		 473 if (adapter->ahw->pci_base0 != NULL)
474 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 475}
476
7e2cf4fe
SC		 477static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
478{
479 struct qlcnic_pci_info *pci_info;
480 int ret;
481
482 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
483 switch (adapter->ahw->port_type) {
484 case QLCNIC_GBE:
485 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
486 break;
487 case QLCNIC_XGBE:
488 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
489 break;
490 }
491 return 0;
492 }
493
494 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
495 return 0;
496
497 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
498 if (!pci_info)
499 return -ENOMEM;
500
501 ret = qlcnic_get_pci_info(adapter, pci_info);
502 kfree(pci_info);
503 return ret;
504}
d71170fb
SC		 505
506int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 507{
e88db3bd 508 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 509 int i, ret = 0, j = 0;
510 u16 act_pci_func;
346fe763
RB		 511 u8 pfn;
512
e88db3bd
DC		 513 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
514 if (!pci_info)
515 return -ENOMEM;
516
bff57d8e
SC		 517 ret = qlcnic_get_pci_info(adapter, pci_info);
518 if (ret)
519 goto err_pci_info;
520
521 act_pci_func = adapter->ahw->act_pci_func;
522
ca315ac2 523 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 524 act_pci_func, GFP_KERNEL);
e88db3bd 525 if (!adapter->npars) {
900853a4 526 ret = -ENOMEM;
e88db3bd
DC		 527 goto err_pci_info;
528 }
346fe763 529
ca315ac2 530 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 531 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
532 if (!adapter->eswitch) {
900853a4 533 ret = -ENOMEM;
ca315ac2 534 goto err_npars;
346fe763
RB		 535 }
536
ca315ac2
DC		 537 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
538 pfn = pci_info[i].id;
bff57d8e 539
0f6efff9 540 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 541 ret = QL_STATUS_INVALID_PARAM;
542 goto err_eswitch;
543 }
bff57d8e
SC		 544
545 if (!pci_info[i].active ||
546 (pci_info[i].type != QLCNIC_TYPE_NIC))
547 continue;
548
549 adapter->npars[j].pci_func = pfn;
550 adapter->npars[j].active = (u8)pci_info[i].active;
551 adapter->npars[j].type = (u8)pci_info[i].type;
552 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
553 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
554 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
555 j++;
346fe763
RB		 556 }
557
13159183 558 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 559 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 560 if (qlcnic_83xx_check(adapter))
561 qlcnic_enable_eswitch(adapter, i, 1);
562 }
ca315ac2 563
e88db3bd 564 kfree(pci_info);
ca315ac2
DC		 565 return 0;
566
567err_eswitch:
346fe763
RB		 568 kfree(adapter->eswitch);
569 adapter->eswitch = NULL;
ca315ac2 570err_npars:
346fe763 571 kfree(adapter->npars);
ca315ac2 572 adapter->npars = NULL;
e88db3bd
DC		 573err_pci_info:
574 kfree(pci_info);
346fe763
RB		 575
576 return ret;
577}
578
2e9d722d
AC		 579static int
580qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
581{
582 u8 id;
2e9d722d
AC		 583 int i, ret = 1;
584 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 585 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 586
2e9d722d
AC		 587 ret = qlcnic_api_lock(adapter);
588 if (ret)
589 goto err_lock;
2e9d722d 590
0e33c664 591 if (qlcnic_config_npars) {
bff57d8e
SC		 592 for (i = 0; i < ahw->act_pci_func; i++) {
593 id = adapter->npars[i].pci_func;
594 if (id == ahw->pci_func)
0e33c664
AC		 595 continue;
596 data |= (qlcnic_config_npars &
597 QLC_DEV_SET_DRV(0xf, id));
598 }
599 } else {
a15ebd37 600 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 601 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 602 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 603 ahw->pci_func));
2e9d722d 604 }
a15ebd37 605 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 606 qlcnic_api_unlock(adapter);
607err_lock:
608 return ret;
609}
610
13159183
SC		 611static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
612 const struct pci_device_id *ent)
2e9d722d 613{
2e9d722d
AC		 614 u32 op_mode, priv_level;
615
616 /* Determine FW API version */
13159183
SC		 617 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
618 QLCNIC_FW_API);
2e9d722d
AC		 619
620 /* Find PCI function number */
13159183 621 qlcnic_get_func_no(adapter);
2e9d722d
AC		 622
623 /* Determine function privilege level */
13159183 624 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 625 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 626 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 627 else
b1fc6d3c 628 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 629
0866d96d 630 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 631 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 632 dev_info(&adapter->pdev->dev,
633 "HAL Version: %d Non Privileged function\n",
79788450 634 adapter->ahw->fw_hal_version);
9f26f547 635 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 636 } else
637 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 638}
639
15087c2b 640#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 641#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 642static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
643{
644 switch (dev_id) {
645 case PCI_DEVICE_ID_QLOGIC_QLE824X:
646 *bar = QLCNIC_82XX_BAR0_LENGTH;
647 break;
13159183
SC		 648 case PCI_DEVICE_ID_QLOGIC_QLE834X:
649 *bar = QLCNIC_83XX_BAR0_LENGTH;
650 break;
15087c2b
SC		 651 default:
652 *bar = 0;
653 }
654}
655
656static int qlcnic_setup_pci_map(struct pci_dev *pdev,
657 struct qlcnic_hardware_context *ahw)
af19b491 658{
15087c2b 659 u32 offset;
af19b491 660 void __iomem *mem_ptr0 = NULL;
15087c2b 661 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 662
af19b491 663 /* remap phys address */
af19b491
AKS		 664 mem_len = pci_resource_len(pdev, 0);
665
15087c2b
SC		 666 qlcnic_get_bar_length(pdev->device, &bar0_len);
667 if (mem_len >= bar0_len) {
af19b491
AKS		 668
669 mem_ptr0 = pci_ioremap_bar(pdev, 0);
670 if (mem_ptr0 == NULL) {
671 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
672 return -EIO;
673 }
674 pci_len0 = mem_len;
675 } else {
676 return -EIO;
677 }
678
679 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 680
15087c2b
SC		 681 ahw->pci_base0 = mem_ptr0;
682 ahw->pci_len0 = pci_len0;
683 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
684 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 685
686 return 0;
687}
688
22999798 689static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 690{
691 struct pci_dev *pdev = adapter->pdev;
692 int i, found = 0;
693
694 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
695 if (qlcnic_boards[i].vendor == pdev->vendor &&
696 qlcnic_boards[i].device == pdev->device &&
697 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
698 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 699 sprintf(name, "%pM: %s" ,
700 adapter->mac_addr,
701 qlcnic_boards[i].short_name);
af19b491
AKS		 702 found = 1;
703 break;
704 }
705
706 }
707
708 if (!found)
7f9a0c34 709 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 710}
711
712static void
713qlcnic_check_options(struct qlcnic_adapter *adapter)
714{
a15ebd37 715 int err;
031a4a26 716 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 717 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 718 struct qlcnic_hardware_context *ahw = adapter->ahw;
719 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 720
721 prev_fw_version = adapter->fw_version;
af19b491 722
a15ebd37
HM		 723 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
724 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
725 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 726
727 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
728
a15ebd37
HM		 729 err = qlcnic_get_board_info(adapter);
730 if (err) {
731 dev_err(&pdev->dev, "Error getting board config info.\n");
732 return;
733 }
734 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 735 if (fw_dump->tmpl_hdr == NULL ||
736 adapter->fw_version > prev_fw_version) {
737 if (fw_dump->tmpl_hdr)
738 vfree(fw_dump->tmpl_hdr);
739 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
740 dev_info(&pdev->dev,
741 "Supports FW dump capability\n");
742 }
743 }
744
13159183
SC		 745 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
746 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
747
b1fc6d3c 748 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 749 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
750 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
751 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
752 } else {
753 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
754 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
755 }
756
af19b491 757 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 758 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
759
b1fc6d3c 760 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 761 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
762 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 763 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
764 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 765 }
766
099f7aa7 767 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 768
769 adapter->num_txd = MAX_CMD_DESCRIPTORS;
770
251b036a 771 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 772}
773
174240a8
RB		 774static int
775qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
776{
777 int err;
778 struct qlcnic_info nic_info;
779
bff57d8e 780 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 781 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 782 if (err)
783 return err;
784
79788450
SC		 785 adapter->ahw->physical_port = (u8)nic_info.phys_port;
786 adapter->ahw->switch_mode = nic_info.switch_mode;
787 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
788 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
789 adapter->ahw->capabilities = nic_info.capabilities;
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
13159183 881 features = (NETIF_F_SG | NETIF_F_IP_CSUM |
0325d69b
RB		 882 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
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;
0325d69b
RB		 897 if (!(esw_cfg->offload_flags & BIT_1))
898 netdev->features &= ~NETIF_F_TSO;
899 if (!(esw_cfg->offload_flags & BIT_2))
900 netdev->features &= ~NETIF_F_TSO6;
901 } else {
902 netdev->features &= ~features;
13159183 903 adapter->rx_csum = 0;
0325d69b
RB		 904 }
905
906 netdev->vlan_features = (features & vlan_features);
907}
908
0866d96d
AC		 909static int
910qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
911{
0866d96d
AC		 912 u32 op_mode, priv_level;
913 int err = 0;
914
174240a8
RB		 915 err = qlcnic_initialize_nic(adapter);
916 if (err)
917 return err;
918
0866d96d
AC		 919 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
920 return 0;
921
13159183 922 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 923 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 924
925 if (op_mode == QLC_DEV_DRV_DEFAULT)
926 priv_level = QLCNIC_MGMT_FUNC;
927 else
b1fc6d3c 928 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 929
174240a8 930 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 931 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 932 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 933 err = qlcnic_init_pci_info(adapter);
934 if (err)
935 return err;
936 /* Set privilege level for other functions */
937 qlcnic_set_function_modes(adapter);
938 dev_info(&adapter->pdev->dev,
939 "HAL Version: %d, Management function\n",
79788450 940 adapter->ahw->fw_hal_version);
0866d96d 941 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 942 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 943 dev_info(&adapter->pdev->dev,
944 "HAL Version: %d, Privileged function\n",
79788450 945 adapter->ahw->fw_hal_version);
0866d96d 946 }
174240a8 947 }
0866d96d
AC		 948
949 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
950
951 return err;
952}
953
d71170fb 954int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 955{
956 struct qlcnic_esw_func_cfg esw_cfg;
957 struct qlcnic_npar_info *npar;
958 u8 i;
959
174240a8 960 if (adapter->need_fw_reset)
0325d69b
RB		 961 return 0;
962
bff57d8e 963 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 964 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 965 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 966 esw_cfg.mac_override = BIT_0;
ee07c1a7 967 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 968 if (qlcnic_82xx_check(adapter)) {
969 esw_cfg.offload_flags = BIT_0;
970 if (QLCNIC_IS_TSO_CAPABLE(adapter))
971 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
972 }
0325d69b
RB		 973 if (qlcnic_config_switch_port(adapter, &esw_cfg))
974 return -EIO;
975 npar = &adapter->npars[i];
976 npar->pvid = esw_cfg.vlan_id;
7373373d 977 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 978 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
979 npar->discard_tagged = esw_cfg.discard_tagged;
980 npar->promisc_mode = esw_cfg.promisc_mode;
981 npar->offload_flags = esw_cfg.offload_flags;
982 }
983
984 return 0;
985}
986
13159183 987
4e8acb01
RB		 988static int
989qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
990 struct qlcnic_npar_info *npar, int pci_func)
991{
992 struct qlcnic_esw_func_cfg esw_cfg;
993 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
994 esw_cfg.pci_func = pci_func;
995 esw_cfg.vlan_id = npar->pvid;
7373373d 996 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 997 esw_cfg.discard_tagged = npar->discard_tagged;
998 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
999 esw_cfg.offload_flags = npar->offload_flags;
1000 esw_cfg.promisc_mode = npar->promisc_mode;
1001 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1002 return -EIO;
1003
1004 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1005 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1006 return -EIO;
1007
1008 return 0;
1009}
1010
d71170fb 1011int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1012{
4e8acb01 1013 int i, err;
cea8975e
AC		 1014 struct qlcnic_npar_info *npar;
1015 struct qlcnic_info nic_info;
bff57d8e 1016 u8 pci_func;
cea8975e 1017
bff57d8e
SC		 1018 if (qlcnic_82xx_check(adapter))
1019 if (!adapter->need_fw_reset)
1020 return 0;
cea8975e 1021
4e8acb01 1022 /* Set the NPAR config data after FW reset */
bff57d8e 1023 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1024 npar = &adapter->npars[i];
bff57d8e
SC		 1025 pci_func = npar->pci_func;
1026 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1027 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1028 if (err)
1029 return err;
1030 nic_info.min_tx_bw = npar->min_bw;
1031 nic_info.max_tx_bw = npar->max_bw;
1032 err = qlcnic_set_nic_info(adapter, &nic_info);
1033 if (err)
1034 return err;
cea8975e 1035
4e8acb01
RB		 1036 if (npar->enable_pm) {
1037 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1038 npar->dest_npar, 1,
1039 pci_func);
4e8acb01
RB		 1040 if (err)
1041 return err;
cea8975e 1042 }
bff57d8e 1043 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1044 if (err)
1045 return err;
cea8975e 1046 }
4e8acb01 1047 return 0;
cea8975e
AC		 1048}
1049
78f84e1a
AKS		 1050static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1051{
1052 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1053 u32 npar_state;
1054
79788450 1055 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1056 return 0;
1057
a15ebd37
HM		 1058 npar_state = QLC_SHARED_REG_RD32(adapter,
1059 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1060 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1061 msleep(1000);
a15ebd37
HM		 1062 npar_state = QLC_SHARED_REG_RD32(adapter,
1063 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1064 }
1065 if (!npar_opt_timeo) {
1066 dev_err(&adapter->pdev->dev,
1067 "Waiting for NPAR state to opertional timeout\n");
1068 return -EIO;
1069 }
1070 return 0;
1071}
1072
174240a8
RB		 1073static int
1074qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1075{
1076 int err;
1077
1078 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1079 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1080 return 0;
1081
1082 err = qlcnic_set_default_offload_settings(adapter);
1083 if (err)
1084 return err;
1085
1086 err = qlcnic_reset_npar_config(adapter);
1087 if (err)
1088 return err;
1089
1090 qlcnic_dev_set_npar_ready(adapter);
1091
13159183
SC		 1092 if (qlcnic_83xx_check(adapter))
1093 qlcnic_83xx_register_nic_idc_func(adapter, 1);
174240a8
RB		 1094 return err;
1095}
1096
7e2cf4fe 1097int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1098{
d4066833 1099 int err;
af19b491 1100
aa5e18c0
SC		 1101 err = qlcnic_can_start_firmware(adapter);
1102 if (err < 0)
1103 return err;
1104 else if (!err)
d4066833 1105 goto check_fw_status;
af19b491 1106
099f7aa7 1107 if (qlcnic_load_fw_file)
4d5bdb38 1108 qlcnic_request_firmware(adapter);
8f891387 1109 else {
8cfdce08
SC		 1110 err = qlcnic_check_flash_fw_ver(adapter);
1111 if (err)
8f891387 1112 goto err_out;
1113
79788450 1114 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1115 }
af19b491
AKS		 1116
1117 err = qlcnic_need_fw_reset(adapter);
af19b491 1118 if (err == 0)
4e70812b 1119 goto check_fw_status;
af19b491 1120
d4066833
SC		 1121 err = qlcnic_pinit_from_rom(adapter);
1122 if (err)
1123 goto err_out;
af19b491
AKS		 1124
1125 err = qlcnic_load_firmware(adapter);
1126 if (err)
1127 goto err_out;
1128
1129 qlcnic_release_firmware(adapter);
d4066833 1130 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1131
d4066833
SC		 1132check_fw_status:
1133 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1134 if (err)
1135 goto err_out;
1136
a15ebd37 1137 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1138 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1139 err = qlcnic_check_eswitch_mode(adapter);
1140 if (err) {
1141 dev_err(&adapter->pdev->dev,
1142 "Memory allocation failed for eswitch\n");
1143 goto err_out;
1144 }
174240a8
RB		 1145 err = qlcnic_set_mgmt_operations(adapter);
1146 if (err)
1147 goto err_out;
1148
1149 qlcnic_check_options(adapter);
af19b491
AKS		 1150 adapter->need_fw_reset = 0;
1151
a7fc948f
AKS		 1152 qlcnic_release_firmware(adapter);
1153 return 0;
af19b491
AKS		 1154
1155err_out:
a15ebd37 1156 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1157 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1158
af19b491
AKS		 1159 qlcnic_release_firmware(adapter);
1160 return err;
1161}
1162
1163static int
1164qlcnic_request_irq(struct qlcnic_adapter *adapter)
1165{
1166 irq_handler_t handler;
1167 struct qlcnic_host_sds_ring *sds_ring;
13159183 1168 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1169 int err, ring;
1170
1171 unsigned long flags = 0;
1172 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1173 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1174
79788450 1175 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1176 if (qlcnic_82xx_check(adapter))
1177 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1178 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1179 flags |= IRQF_SHARED;
1180
1181 } else {
1182 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1183 handler = qlcnic_msix_intr;
1184 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1185 handler = qlcnic_msi_intr;
1186 else {
1187 flags |= IRQF_SHARED;
1188 handler = qlcnic_intr;
1189 }
af19b491
AKS		 1190 }
1191 adapter->irq = netdev->irq;
1192
13159183
SC		 1193 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1194 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1195 sds_ring = &recv_ctx->sds_rings[ring];
1196 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1197 "%s[%d]", netdev->name, ring);
1198 err = request_irq(sds_ring->irq, handler, flags,
1199 sds_ring->name, sds_ring);
1200 if (err)
1201 return err;
1202 }
1203 if (qlcnic_83xx_check(adapter) &&
1204 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1205 handler = qlcnic_msix_tx_intr;
1206 for (ring = 0; ring < adapter->max_drv_tx_rings;
1207 ring++) {
1208 tx_ring = &adapter->tx_ring[ring];
1209 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1210 "%s[%d]", netdev->name,
1211 adapter->max_sds_rings + ring);
1212 err = request_irq(tx_ring->irq, handler, flags,
1213 tx_ring->name, tx_ring);
1214 if (err)
1215 return err;
1216 }
1217 }
af19b491 1218 }
af19b491
AKS		 1219 return 0;
1220}
1221
1222static void
1223qlcnic_free_irq(struct qlcnic_adapter *adapter)
1224{
1225 int ring;
1226 struct qlcnic_host_sds_ring *sds_ring;
13159183 1227 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1228
b1fc6d3c 1229 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1230
13159183
SC		 1231 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1232 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1233 sds_ring = &recv_ctx->sds_rings[ring];
1234 free_irq(sds_ring->irq, sds_ring);
1235 }
1236 if (qlcnic_83xx_check(adapter)) {
1237 for (ring = 0; ring < adapter->max_drv_tx_rings;
1238 ring++) {
1239 tx_ring = &adapter->tx_ring[ring];
1240 if (tx_ring->irq)
1241 free_irq(tx_ring->irq, tx_ring);
1242 }
1243 }
af19b491
AKS		 1244 }
1245}
1246
319ecf12 1247int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1248{
8a15ad1f 1249 int ring;
cae82d49
RB		 1250 u32 capab2;
1251
8a15ad1f
AKS		 1252 struct qlcnic_host_rds_ring *rds_ring;
1253
af19b491
AKS		 1254 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1255 return -EIO;
1256
8a15ad1f
AKS		 1257 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1258 return 0;
0325d69b
RB		 1259 if (qlcnic_set_eswitch_port_config(adapter))
1260 return -EIO;
8a15ad1f 1261
79788450 1262 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1263 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1264 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1265 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1266 }
1267
8a15ad1f
AKS		 1268 if (qlcnic_fw_create_ctx(adapter))
1269 return -EIO;
1270
1271 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1272 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1273 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1274 }
1275
af19b491
AKS		 1276 qlcnic_set_multi(netdev);
1277 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1278
b1fc6d3c 1279 adapter->ahw->linkup = 0;
af19b491
AKS		 1280
1281 if (adapter->max_sds_rings > 1)
1282 qlcnic_config_rss(adapter, 1);
1283
1284 qlcnic_config_intr_coalesce(adapter);
1285
24763d80 1286 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1287 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1288
1289 qlcnic_napi_enable(adapter);
1290
1291 qlcnic_linkevent_request(adapter, 1);
1292
79788450 1293 adapter->ahw->reset_context = 0;
af19b491
AKS		 1294 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1295 return 0;
1296}
1297
629263ac 1298int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1299{
1300 int err = 0;
1301
1302 rtnl_lock();
1303 if (netif_running(netdev))
1304 err = __qlcnic_up(adapter, netdev);
1305 rtnl_unlock();
1306
1307 return err;
1308}
1309
319ecf12 1310void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1311{
1312 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1313 return;
1314
1315 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1316 return;
1317
1318 smp_mb();
1319 spin_lock(&adapter->tx_clean_lock);
1320 netif_carrier_off(netdev);
1321 netif_tx_disable(netdev);
1322
1323 qlcnic_free_mac_list(adapter);
1324
b5e5492c
AKS		 1325 if (adapter->fhash.fnum)
1326 qlcnic_delete_lb_filters(adapter);
1327
af19b491
AKS		 1328 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1329
1330 qlcnic_napi_disable(adapter);
1331
8a15ad1f 1332 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1333 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1334
1335 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1336 qlcnic_release_tx_buffers(adapter);
1337 spin_unlock(&adapter->tx_clean_lock);
1338}
1339
1340/* Usage: During suspend and firmware recovery module */
1341
629263ac 1342void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1343{
1344 rtnl_lock();
1345 if (netif_running(netdev))
1346 __qlcnic_down(adapter, netdev);
1347 rtnl_unlock();
1348
1349}
1350
319ecf12 1351int
af19b491
AKS		 1352qlcnic_attach(struct qlcnic_adapter *adapter)
1353{
1354 struct net_device *netdev = adapter->netdev;
1355 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1356 int err;
af19b491
AKS		 1357
1358 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1359 return 0;
1360
af19b491
AKS		 1361 err = qlcnic_napi_add(adapter, netdev);
1362 if (err)
1363 return err;
1364
1365 err = qlcnic_alloc_sw_resources(adapter);
1366 if (err) {
1367 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1368 goto err_out_napi_del;
af19b491
AKS		 1369 }
1370
1371 err = qlcnic_alloc_hw_resources(adapter);
1372 if (err) {
1373 dev_err(&pdev->dev, "Error in setting hw resources\n");
1374 goto err_out_free_sw;
1375 }
1376
af19b491
AKS		 1377 err = qlcnic_request_irq(adapter);
1378 if (err) {
1379 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1380 goto err_out_free_hw;
af19b491
AKS		 1381 }
1382
af19b491
AKS		 1383 qlcnic_create_sysfs_entries(adapter);
1384
1385 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1386 return 0;
1387
8a15ad1f 1388err_out_free_hw:
af19b491
AKS		 1389 qlcnic_free_hw_resources(adapter);
1390err_out_free_sw:
1391 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1392err_out_napi_del:
1393 qlcnic_napi_del(adapter);
af19b491
AKS		 1394 return err;
1395}
1396
319ecf12 1397void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1398{
1399 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1400 return;
1401
1402 qlcnic_remove_sysfs_entries(adapter);
1403
1404 qlcnic_free_hw_resources(adapter);
1405 qlcnic_release_rx_buffers(adapter);
1406 qlcnic_free_irq(adapter);
1407 qlcnic_napi_del(adapter);
1408 qlcnic_free_sw_resources(adapter);
1409
1410 adapter->is_up = 0;
1411}
1412
7eb9855d
AKS		 1413void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1414{
1415 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1416 struct qlcnic_host_sds_ring *sds_ring;
1417 int ring;
1418
78ad3892 1419 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1420 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1421 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1422 sds_ring = &adapter->recv_ctx->sds_rings[ring];
13159183
SC		 1423 if (qlcnic_83xx_check(adapter))
1424 writel(1, sds_ring->crb_intr_mask);
1425 else
1426 qlcnic_disable_int(sds_ring);
cdaff185 1427 }
7eb9855d
AKS		 1428 }
1429
8a15ad1f
AKS		 1430 qlcnic_fw_destroy_ctx(adapter);
1431
7eb9855d
AKS		 1432 qlcnic_detach(adapter);
1433
79788450 1434 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1435 adapter->max_sds_rings = max_sds_rings;
1436
1437 if (qlcnic_attach(adapter))
34ce3626 1438 goto out;
7eb9855d
AKS		 1439
1440 if (netif_running(netdev))
1441 __qlcnic_up(adapter, netdev);
34ce3626 1442out:
7eb9855d
AKS		 1443 netif_device_attach(netdev);
1444}
1445
b1fc6d3c
AC		 1446static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1447{
1448 int err = 0;
b1fc6d3c
AC		 1449 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1450 GFP_KERNEL);
1451 if (!adapter->recv_ctx) {
1452 dev_err(&adapter->pdev->dev,
1453 "Failed to allocate recv ctx resources for adapter\n");
b1fc6d3c 1454 err = -ENOMEM;
8816d009 1455 goto err_out;
b1fc6d3c 1456 }
8816d009
AC		 1457 /* Initialize interrupt coalesce parameters */
1458 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1459 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1460 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1461 /* clear stats */
1462 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1463err_out:
1464 return err;
1465}
1466
1467static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1468{
1469 kfree(adapter->recv_ctx);
1470 adapter->recv_ctx = NULL;
1471
18f2f616
AC		 1472 if (adapter->ahw->fw_dump.tmpl_hdr) {
1473 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1474 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1475 }
4be41e92 1476
81d0aeb0 1477 kfree(adapter->ahw->reset.buff);
4be41e92 1478 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1479}
1480
7eb9855d
AKS		 1481int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1482{
1483 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1484 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1485 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1486 int ring;
1487 int ret;
1488
1489 netif_device_detach(netdev);
1490
1491 if (netif_running(netdev))
1492 __qlcnic_down(adapter, netdev);
1493
1494 qlcnic_detach(adapter);
1495
1496 adapter->max_sds_rings = 1;
79788450 1497 adapter->ahw->diag_test = test;
4be41e92 1498 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1499
1500 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1501 if (ret) {
1502 netif_device_attach(netdev);
7eb9855d 1503 return ret;
34ce3626 1504 }
7eb9855d 1505
8a15ad1f
AKS		 1506 ret = qlcnic_fw_create_ctx(adapter);
1507 if (ret) {
1508 qlcnic_detach(adapter);
57e46248 1509 netif_device_attach(netdev);
8a15ad1f
AKS		 1510 return ret;
1511 }
1512
1513 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1514 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1515 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1516 }
1517
79788450 1518 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1519 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1520 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1521 qlcnic_enable_int(sds_ring);
1522 }
7eb9855d 1523 }
22c8c934 1524
79788450 1525 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1526 adapter->ahw->loopback_state = 0;
1527 qlcnic_linkevent_request(adapter, 1);
1528 }
1529
78ad3892 1530 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1531
1532 return 0;
1533}
1534
68bf1c68
AKS		 1535/* Reset context in hardware only */
1536static int
1537qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1538{
1539 struct net_device *netdev = adapter->netdev;
1540
1541 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1542 return -EBUSY;
1543
1544 netif_device_detach(netdev);
1545
1546 qlcnic_down(adapter, netdev);
1547
1548 qlcnic_up(adapter, netdev);
1549
1550 netif_device_attach(netdev);
1551
1552 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1553 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1554 return 0;
1555}
1556
af19b491
AKS		 1557int
1558qlcnic_reset_context(struct qlcnic_adapter *adapter)
1559{
1560 int err = 0;
1561 struct net_device *netdev = adapter->netdev;
1562
1563 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1564 return -EBUSY;
1565
1566 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1567
1568 netif_device_detach(netdev);
1569
1570 if (netif_running(netdev))
1571 __qlcnic_down(adapter, netdev);
1572
1573 qlcnic_detach(adapter);
1574
1575 if (netif_running(netdev)) {
1576 err = qlcnic_attach(adapter);
1d5c88e3 1577 if (!err) {
34ce3626 1578 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1579 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1580 }
af19b491
AKS		 1581 }
1582
1583 netif_device_attach(netdev);
1584 }
1585
af19b491
AKS		 1586 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1587 return err;
1588}
1589
1590static int
5ad6ff9d
SC		 1591qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1592 int pci_using_dac)
af19b491
AKS		 1593{
1594 int err;
1595 struct pci_dev *pdev = adapter->pdev;
1596
13159183 1597 adapter->rx_csum = 1;
79788450 1598 adapter->ahw->mc_enabled = 0;
13159183 1599 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1600
1601 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1602 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1603
1604 qlcnic_change_mtu(netdev, netdev->mtu);
1605
1606 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1607
13159183
SC		 1608 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1609 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1610 NETIF_F_HW_VLAN_RX);
1611 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1612 NETIF_F_IPV6_CSUM);
ac8d0c4f 1613
13159183
SC		 1614 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1615 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1616 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1617 }
af19b491 1618
13159183
SC		 1619 if (pci_using_dac) {
1620 netdev->features |= NETIF_F_HIGHDMA;
1621 netdev->vlan_features |= NETIF_F_HIGHDMA;
1622 }
af19b491 1623
13159183
SC		 1624 if (qlcnic_vlan_tx_check(adapter))
1625 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1626
13159183
SC		 1627 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1628 netdev->features |= NETIF_F_LRO;
135d84a9 1629
af19b491
AKS		 1630 netdev->irq = adapter->msix_entries[0].vector;
1631
af19b491
AKS		 1632 err = register_netdev(netdev);
1633 if (err) {
1634 dev_err(&pdev->dev, "failed to register net device\n");
1635 return err;
1636 }
1637
1638 return 0;
1639}
1640
5ad6ff9d 1641static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1642{
1643 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1644 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1645 *pci_using_dac = 1;
1646 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1647 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1648 *pci_using_dac = 0;
1649 else {
1650 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1651 return -EIO;
1652 }
1653
1654 return 0;
1655}
1656
4be41e92
SC		 1657void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1658{
1659 int ring;
1660 struct qlcnic_host_tx_ring *tx_ring;
1661
1662 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1663 tx_ring = &adapter->tx_ring[ring];
1664 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1665 vfree(tx_ring->cmd_buf_arr);
1666 tx_ring->cmd_buf_arr = NULL;
1667 }
1668 }
1669 if (adapter->tx_ring != NULL)
1670 kfree(adapter->tx_ring);
1671}
1672
1673int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1674 struct net_device *netdev)
1675{
1676 int ring, size, vector, index;
1677 struct qlcnic_host_tx_ring *tx_ring;
1678 struct qlcnic_cmd_buffer *cmd_buf_arr;
1679
1680 size = adapter->max_drv_tx_rings * sizeof(struct qlcnic_host_tx_ring);
1681 tx_ring = kzalloc(size, GFP_KERNEL);
1682 if (tx_ring == NULL) {
1683 dev_err(&netdev->dev, "failed to allocate tx rings\n");
1684 return -ENOMEM;
1685 }
1686 adapter->tx_ring = tx_ring;
1687
1688 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1689 tx_ring = &adapter->tx_ring[ring];
1690 tx_ring->num_desc = adapter->num_txd;
1691 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1692 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1693 if (cmd_buf_arr == NULL) {
1694 dev_err(&netdev->dev,
1695 "failed to allocate cmd buffer ring\n");
1696 qlcnic_free_tx_rings(adapter);
1697 return -ENOMEM;
1698 }
1699 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1700 tx_ring->cmd_buf_arr = cmd_buf_arr;
1701 }
1702
1703 if (qlcnic_83xx_check(adapter)) {
1704 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1705 tx_ring = &adapter->tx_ring[ring];
1706 tx_ring->adapter = adapter;
1707 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1708 index = adapter->max_sds_rings + ring;
1709 vector = adapter->msix_entries[index].vector;
1710 tx_ring->irq = vector;
1711 }
1712 }
1713 }
1714 return 0;
1715}
1716
7e2cf4fe 1717static int __devinit
af19b491
AKS		 1718qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1719{
1720 struct net_device *netdev = NULL;
1721 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1722 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1723 int err, pci_using_dac = -1;
22999798 1724 char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1725
1726 err = pci_enable_device(pdev);
1727 if (err)
1728 return err;
1729
1730 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1731 err = -ENODEV;
1732 goto err_out_disable_pdev;
1733 }
1734
1bb09fb9
AKS		 1735 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1736 if (err)
1737 goto err_out_disable_pdev;
1738
af19b491
AKS		 1739 err = pci_request_regions(pdev, qlcnic_driver_name);
1740 if (err)
1741 goto err_out_disable_pdev;
1742
1743 pci_set_master(pdev);
451724c8 1744 pci_enable_pcie_error_reporting(pdev);
af19b491 1745
7e2cf4fe
SC		 1746 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1747 if (!ahw)
1748 goto err_out_free_res;
1749
1750 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1751 ahw->hw_ops = &qlcnic_hw_ops;
1752 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1753 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1754 qlcnic_83xx_register_map(ahw);
1755 } else {
1756 goto err_out_free_hw_res;
7e2cf4fe
SC		 1757 }
1758
1759 err = qlcnic_setup_pci_map(pdev, ahw);
1760 if (err)
1761 goto err_out_free_hw_res;
1762
af19b491
AKS		 1763 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1764 if (!netdev) {
af19b491 1765 err = -ENOMEM;
7e2cf4fe 1766 goto err_out_iounmap;
af19b491
AKS		 1767 }
1768
1769 SET_NETDEV_DEV(netdev, &pdev->dev);
1770
1771 adapter = netdev_priv(netdev);
1772 adapter->netdev = netdev;
1773 adapter->pdev = pdev;
13159183
SC		 1774 adapter->ahw = ahw;
1775
1776 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1777 if (adapter->qlcnic_wq == NULL) {
1778 dev_err(&pdev->dev, "Failed to create workqueue\n");
1779 goto err_out_free_netdev;
1780 }
af19b491 1781
2dfc9671
PST		 1782 err = qlcnic_alloc_adapter_resources(adapter);
1783 if (err)
b1fc6d3c
AC		 1784 goto err_out_free_netdev;
1785
1786 adapter->dev_rst_time = jiffies;
7e2cf4fe 1787 adapter->ahw->revision_id = pdev->revision;
e5dcf6dc 1788 adapter->mac_learn = qlcnic_mac_learn;
7e2cf4fe 1789 adapter->max_drv_tx_rings = 1;
af19b491 1790
b1fc6d3c
AC		 1791 rwlock_init(&adapter->ahw->crb_lock);
1792 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1793
1794 spin_lock_init(&adapter->tx_clean_lock);
1795 INIT_LIST_HEAD(&adapter->mac_list);
1796
7e2cf4fe 1797 if (qlcnic_82xx_check(adapter)) {
13159183 1798 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1799 adapter->portnum = adapter->ahw->pci_func;
1800 err = qlcnic_start_firmware(adapter);
1801 if (err) {
1802 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1803 goto err_out_free_hw;
1804 }
af19b491 1805
7e2cf4fe
SC		 1806 err = qlcnic_setup_idc_param(adapter);
1807 if (err)
1808 goto err_out_free_hw;
b0044bcf 1809
7e2cf4fe 1810 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1811 } else if (qlcnic_83xx_check(adapter)) {
1812 qlcnic_83xx_check_vf(adapter, ent);
1813 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1814 err = qlcnic_83xx_init(adapter);
1815 if (err) {
1816 dev_err(&pdev->dev, "%s: failed\n", __func__);
1817 goto err_out_free_hw;
1818 }
13159183
SC		 1819 } else {
1820 dev_err(&pdev->dev,
1821 "%s: failed. Please Reboot\n", __func__);
1822 goto err_out_free_hw;
a7fc948f 1823 }
af19b491 1824
da48e6c3
RB		 1825 if (qlcnic_read_mac_addr(adapter))
1826 dev_warn(&pdev->dev, "failed to read mac addr\n");
1827
1828 if (adapter->portnum == 0) {
22999798 1829 qlcnic_get_board_name(adapter, board_name);
13159183 1830
da48e6c3 1831 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1832 module_name(THIS_MODULE),
1833 board_name, adapter->ahw->revision_id);
da48e6c3 1834 }
7e2cf4fe
SC		 1835 err = qlcnic_setup_intr(adapter, 0);
1836 if (err)
1837 goto err_out_disable_msi;
f94bc1e7 1838
13159183
SC		 1839 if (qlcnic_83xx_check(adapter)) {
1840 err = qlcnic_83xx_setup_mbx_intr(adapter);
1841 if (err)
1842 goto err_out_disable_msi;
1843 }
af19b491 1844
1bb09fb9 1845 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1846 if (err)
7e2cf4fe 1847 goto err_out_disable_mbx_intr;
af19b491
AKS		 1848
1849 pci_set_drvdata(pdev, adapter);
1850
97ee45eb
SC		 1851 if (qlcnic_82xx_check(adapter))
1852 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1853 FW_POLL_DELAY);
af19b491 1854
b1fc6d3c 1855 switch (adapter->ahw->port_type) {
af19b491
AKS		 1856 case QLCNIC_GBE:
1857 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1858 adapter->netdev->name);
1859 break;
1860 case QLCNIC_XGBE:
1861 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1862 adapter->netdev->name);
1863 break;
1864 }
1865
7e2cf4fe
SC		 1866 if (qlcnic_get_act_pci_func(adapter))
1867 goto err_out_disable_mbx_intr;
1868
e5dcf6dc
SC		 1869 if (adapter->mac_learn)
1870 qlcnic_alloc_lb_filters_mem(adapter);
1871
7e2cf4fe 1872 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1873
1874 return 0;
1875
7e2cf4fe 1876err_out_disable_mbx_intr:
13159183
SC		 1877 if (qlcnic_83xx_check(adapter)) {
1878 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1879 qlcnic_83xx_config_intrpt(adapter, 0);
1880 qlcnic_83xx_free_mbx_intr(adapter);
1881 }
7e2cf4fe 1882
af19b491
AKS		 1883err_out_disable_msi:
1884 qlcnic_teardown_intr(adapter);
7e2cf4fe 1885 qlcnic_cancel_idc_work(adapter);
21854f02 1886 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1887
b1fc6d3c
AC		 1888err_out_free_hw:
1889 qlcnic_free_adapter_resources(adapter);
1890
af19b491
AKS		 1891err_out_free_netdev:
1892 free_netdev(netdev);
1893
7e2cf4fe
SC		 1894err_out_iounmap:
1895 qlcnic_cleanup_pci_map(adapter);
1896
1897err_out_free_hw_res:
1898 kfree(ahw);
1899
af19b491
AKS		 1900err_out_free_res:
1901 pci_release_regions(pdev);
1902
1903err_out_disable_pdev:
1904 pci_set_drvdata(pdev, NULL);
1905 pci_disable_device(pdev);
1906 return err;
1907}
1908
13159183 1909static void __devexit qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 1910{
1911 struct qlcnic_adapter *adapter;
1912 struct net_device *netdev;
13159183 1913 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 1914
1915 adapter = pci_get_drvdata(pdev);
1916 if (adapter == NULL)
1917 return;
1918
1919 netdev = adapter->netdev;
1920
13159183
SC		 1921 qlcnic_cancel_idc_work(adapter);
1922 ahw = adapter->ahw;
af19b491
AKS		 1923
1924 unregister_netdev(netdev);
1925
13159183
SC		 1926 if (qlcnic_83xx_check(adapter)) {
1927 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1928 qlcnic_83xx_config_intrpt(adapter, 0);
1929 qlcnic_83xx_free_mbx_intr(adapter);
1930 }
1931
af19b491
AKS		 1932 qlcnic_detach(adapter);
1933
2e9d722d
AC		 1934 if (adapter->npars != NULL)
1935 kfree(adapter->npars);
1936 if (adapter->eswitch != NULL)
1937 kfree(adapter->eswitch);
1938
97ee45eb
SC		 1939 if (qlcnic_82xx_check(adapter))
1940 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1941
1942 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1943
b5e5492c
AKS		 1944 qlcnic_free_lb_filters_mem(adapter);
1945
af19b491
AKS		 1946 qlcnic_teardown_intr(adapter);
1947
13159183 1948 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 1949
1950 qlcnic_cleanup_pci_map(adapter);
1951
1952 qlcnic_release_firmware(adapter);
1953
451724c8 1954 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 1955 pci_release_regions(pdev);
1956 pci_disable_device(pdev);
1957 pci_set_drvdata(pdev, NULL);
1958
13159183
SC		 1959 if (adapter->qlcnic_wq) {
1960 destroy_workqueue(adapter->qlcnic_wq);
1961 adapter->qlcnic_wq = NULL;
1962 }
b1fc6d3c 1963 qlcnic_free_adapter_resources(adapter);
13159183 1964 kfree(ahw);
af19b491
AKS		 1965 free_netdev(netdev);
1966}
1967static int __qlcnic_shutdown(struct pci_dev *pdev)
1968{
1969 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1970 struct net_device *netdev = adapter->netdev;
1971 int retval;
1972
1973 netif_device_detach(netdev);
1974
13159183 1975 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 1976
1977 if (netif_running(netdev))
1978 qlcnic_down(adapter, netdev);
1979
97ee45eb
SC		 1980 if (qlcnic_82xx_check(adapter))
1981 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1982
1983 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1984
1985 retval = pci_save_state(pdev);
1986 if (retval)
1987 return retval;
97ee45eb
SC		 1988 if (qlcnic_82xx_check(adapter)) {
1989 if (qlcnic_wol_supported(adapter)) {
1990 pci_enable_wake(pdev, PCI_D3cold, 1);
1991 pci_enable_wake(pdev, PCI_D3hot, 1);
1992 }
af19b491
AKS		 1993 }
1994
1995 return 0;
1996}
1997
1998static void qlcnic_shutdown(struct pci_dev *pdev)
1999{
2000 if (__qlcnic_shutdown(pdev))
2001 return;
2002
2003 pci_disable_device(pdev);
2004}
2005
2006#ifdef CONFIG_PM
2007static int
2008qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2009{
2010 int retval;
2011
2012 retval = __qlcnic_shutdown(pdev);
2013 if (retval)
2014 return retval;
2015
2016 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2017 return 0;
2018}
2019
2020static int
2021qlcnic_resume(struct pci_dev *pdev)
2022{
2023 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2024 struct net_device *netdev = adapter->netdev;
2025 int err;
2026
2027 err = pci_enable_device(pdev);
2028 if (err)
2029 return err;
2030
2031 pci_set_power_state(pdev, PCI_D0);
2032 pci_set_master(pdev);
2033 pci_restore_state(pdev);
2034
13159183 2035 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2036 if (err) {
2037 dev_err(&pdev->dev, "failed to start firmware\n");
2038 return err;
2039 }
2040
2041 if (netif_running(netdev)) {
af19b491
AKS		 2042 err = qlcnic_up(adapter, netdev);
2043 if (err)
52486a3a 2044 goto done;
af19b491 2045
aec1e845 2046 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2047 }
52486a3a 2048done:
af19b491
AKS		 2049 netif_device_attach(netdev);
2050 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2051 return 0;
af19b491
AKS		 2052}
2053#endif
2054
2055static int qlcnic_open(struct net_device *netdev)
2056{
2057 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2058 int err;
2059
c55ad8e5
AKS		 2060 netif_carrier_off(netdev);
2061
af19b491
AKS		 2062 err = qlcnic_attach(adapter);
2063 if (err)
2064 return err;
2065
2066 err = __qlcnic_up(adapter, netdev);
2067 if (err)
2068 goto err_out;
2069
2070 netif_start_queue(netdev);
2071
2072 return 0;
2073
2074err_out:
2075 qlcnic_detach(adapter);
2076 return err;
2077}
2078
2079/*
2080 * qlcnic_close - Disables a network interface entry point
2081 */
2082static int qlcnic_close(struct net_device *netdev)
2083{
2084 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2085
2086 __qlcnic_down(adapter, netdev);
13159183
SC		 2087 if (qlcnic_83xx_check(adapter)) {
2088 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2089 cancel_delayed_work_sync(&adapter->idc_aen_work);
2090 }
2091
af19b491
AKS		 2092 return 0;
2093}
2094
e5dcf6dc 2095void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2096{
2097 void *head;
2098 int i;
13159183
SC		 2099 struct net_device *netdev = adapter->netdev;
2100 u32 filter_size = 0;
2101 u16 act_pci_func = 0;
b5e5492c 2102
e5dcf6dc 2103 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2104 return;
2105
13159183 2106 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c
AKS		 2107 spin_lock_init(&adapter->mac_learn_lock);
2108
13159183
SC		 2109 if (qlcnic_82xx_check(adapter)) {
2110 filter_size = QLCNIC_LB_MAX_FILTERS;
2111 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2112 } else {
2113 filter_size = QLC_83XX_LB_MAX_FILTERS;
2114 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2115 }
2116
2117 head = kcalloc(adapter->fhash.fbucket_size,
2118 sizeof(struct hlist_head), GFP_KERNEL);
2119
b5e5492c
AKS		 2120 if (!head)
2121 return;
2122
13159183 2123 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2124 adapter->fhash.fhead = head;
b5e5492c 2125
13159183
SC		 2126 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2127 act_pci_func, adapter->fhash.fmax);
2128
2129 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c
AKS		 2130 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2131}
2132
2133static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2134{
2135 if (adapter->fhash.fmax && adapter->fhash.fhead)
2136 kfree(adapter->fhash.fhead);
2137
2138 adapter->fhash.fhead = NULL;
2139 adapter->fhash.fmax = 0;
2140}
2141
629263ac 2142int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2143{
2144 struct net_device *netdev = adapter->netdev;
97ee45eb 2145 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2146 int rv = 0;
2147
13159183
SC		 2148 if (qlcnic_83xx_check(adapter))
2149 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2150
97ee45eb 2151 if (qlcnic_82xx_check(adapter))
a15ebd37 2152 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2153
2154 temp_state = qlcnic_get_temp_state(temp);
2155 temp_val = qlcnic_get_temp_val(temp);
2156
2157 if (temp_state == QLCNIC_TEMP_PANIC) {
2158 dev_err(&netdev->dev,
2159 "Device temperature %d degrees C exceeds"
2160 " maximum allowed. Hardware has been shut down.\n",
2161 temp_val);
2162 rv = 1;
2163 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2164 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2165 dev_err(&netdev->dev,
2166 "Device temperature %d degrees C "
2167 "exceeds operating range."
2168 " Immediate action needed.\n",
2169 temp_val);
2170 }
2171 } else {
79788450 2172 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2173 dev_info(&netdev->dev,
2174 "Device temperature is now %d degrees C"
2175 " in normal range.\n", temp_val);
2176 }
2177 }
79788450 2178 adapter->ahw->temp = temp_state;
af19b491
AKS		 2179 return rv;
2180}
2181
af19b491
AKS		 2182static void qlcnic_tx_timeout(struct net_device *netdev)
2183{
2184 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2185
2186 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2187 return;
2188
2189 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2190
2191 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2192 adapter->need_fw_reset = 1;
2193 else
79788450 2194 adapter->ahw->reset_context = 1;
af19b491
AKS		 2195}
2196
2197static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2198{
2199 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2200 struct net_device_stats *stats = &netdev->stats;
2201
af19b491
AKS		 2202 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2203 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2204 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2205 stats->tx_bytes = adapter->stats.txbytes;
2206 stats->rx_dropped = adapter->stats.rxdropped;
2207 stats->tx_dropped = adapter->stats.txdropped;
2208
2209 return stats;
2210}
2211
7e2cf4fe 2212irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2213{
af19b491
AKS		 2214 u32 status;
2215
2216 status = readl(adapter->isr_int_vec);
2217
79788450 2218 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2219 return IRQ_NONE;
2220
2221 /* check interrupt state machine, to be sure */
2222 status = readl(adapter->crb_int_state_reg);
2223 if (!ISR_LEGACY_INT_TRIGGERED(status))
2224 return IRQ_NONE;
2225
2226 writel(0xffffffff, adapter->tgt_status_reg);
2227 /* read twice to ensure write is flushed */
2228 readl(adapter->isr_int_vec);
2229 readl(adapter->isr_int_vec);
2230
7eb9855d
AKS		 2231 return IRQ_HANDLED;
2232}
2233
2234static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2235{
2236 struct qlcnic_host_sds_ring *sds_ring = data;
2237 struct qlcnic_adapter *adapter = sds_ring->adapter;
2238
2239 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2240 goto done;
2241 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2242 writel(0xffffffff, adapter->tgt_status_reg);
2243 goto done;
2244 }
2245
2246 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2247 return IRQ_NONE;
2248
2249done:
79788450 2250 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2251 qlcnic_enable_int(sds_ring);
2252 return IRQ_HANDLED;
2253}
2254
2255static irqreturn_t qlcnic_intr(int irq, void *data)
2256{
2257 struct qlcnic_host_sds_ring *sds_ring = data;
2258 struct qlcnic_adapter *adapter = sds_ring->adapter;
2259
2260 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2261 return IRQ_NONE;
2262
af19b491
AKS		 2263 napi_schedule(&sds_ring->napi);
2264
2265 return IRQ_HANDLED;
2266}
2267
2268static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2269{
2270 struct qlcnic_host_sds_ring *sds_ring = data;
2271 struct qlcnic_adapter *adapter = sds_ring->adapter;
2272
2273 /* clear interrupt */
2274 writel(0xffffffff, adapter->tgt_status_reg);
2275
2276 napi_schedule(&sds_ring->napi);
2277 return IRQ_HANDLED;
2278}
2279
2280static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2281{
2282 struct qlcnic_host_sds_ring *sds_ring = data;
2283
2284 napi_schedule(&sds_ring->napi);
2285 return IRQ_HANDLED;
2286}
2287
13159183
SC		 2288static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2289{
2290 struct qlcnic_host_tx_ring *tx_ring = data;
2291
2292 napi_schedule(&tx_ring->napi);
2293 return IRQ_HANDLED;
2294}
2295
af19b491
AKS		 2296#ifdef CONFIG_NET_POLL_CONTROLLER
2297static void qlcnic_poll_controller(struct net_device *netdev)
2298{
bf82791e
YL		 2299 int ring;
2300 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2301 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2302 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2303
af19b491 2304 disable_irq(adapter->irq);
bf82791e
YL		 2305 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2306 sds_ring = &recv_ctx->sds_rings[ring];
2307 qlcnic_intr(adapter->irq, sds_ring);
2308 }
af19b491
AKS		 2309 enable_irq(adapter->irq);
2310}
2311#endif
2312
6df900e9
SC		 2313static void
2314qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2315{
2316 u32 val;
2317
2318 val = adapter->portnum & 0xf;
2319 val |= encoding << 7;
2320 val |= (jiffies - adapter->dev_rst_time) << 8;
2321
a15ebd37 2322 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2323 adapter->dev_rst_time = jiffies;
2324}
2325
ade91f8e
AKS		 2326static int
2327qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2328{
2329 u32 val;
2330
2331 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2332 state != QLCNIC_DEV_NEED_QUISCENT);
2333
2334 if (qlcnic_api_lock(adapter))
ade91f8e 2335 return -EIO;
af19b491 2336
a15ebd37 2337 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2338
2339 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2340 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2341 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2342 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2343
a15ebd37 2344 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2345
2346 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2347
2348 return 0;
af19b491
AKS		 2349}
2350
1b95a839
AKS		 2351static int
2352qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2353{
2354 u32 val;
2355
2356 if (qlcnic_api_lock(adapter))
2357 return -EBUSY;
2358
a15ebd37 2359 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2360 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2361 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2362
2363 qlcnic_api_unlock(adapter);
2364
2365 return 0;
2366}
2367
af19b491 2368static void
21854f02 2369qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2370{
2371 u32 val;
2372
2373 if (qlcnic_api_lock(adapter))
2374 goto err;
2375
a15ebd37 2376 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2377 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2378 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2379
21854f02 2380 if (failed) {
a15ebd37
HM		 2381 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2382 QLCNIC_DEV_FAILED);
21854f02
AKS		 2383 dev_info(&adapter->pdev->dev,
2384 "Device state set to Failed. Please Reboot\n");
2385 } else if (!(val & 0x11111111))
a15ebd37
HM		 2386 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2387 QLCNIC_DEV_COLD);
af19b491 2388
a15ebd37 2389 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2390 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2391 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2392
2393 qlcnic_api_unlock(adapter);
2394err:
2395 adapter->fw_fail_cnt = 0;
032a13c7 2396 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2397 clear_bit(__QLCNIC_START_FW, &adapter->state);
2398 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2399}
2400
f73dfc50 2401/* Grab api lock, before checking state */
af19b491
AKS		 2402static int
2403qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2404{
602ca6f0 2405 int act, state, active_mask;
a15ebd37 2406 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2407
a15ebd37
HM		 2408 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2409 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2410
602ca6f0 2411 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2412 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2413 act = act & active_mask;
2414 }
2415
af19b491
AKS		 2416 if (((state & 0x11111111) == (act & 0x11111111)) ||
2417 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2418 return 0;
2419 else
2420 return 1;
2421}
2422
96f8118c
SC		 2423static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2424{
a15ebd37 2425 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2426
2427 if (val != QLCNIC_DRV_IDC_VER) {
2428 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2429 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2430 }
2431
2432 return 0;
2433}
2434
af19b491
AKS		 2435static int
2436qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2437{
2438 u32 val, prev_state;
aa5e18c0 2439 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2440 u8 portnum = adapter->portnum;
96f8118c 2441 u8 ret;
af19b491 2442
f73dfc50
AKS		 2443 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2444 return 1;
2445
af19b491
AKS		 2446 if (qlcnic_api_lock(adapter))
2447 return -1;
2448
a15ebd37 2449 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2450 if (!(val & (1 << (portnum * 4)))) {
2451 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2452 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2453 }
2454
a15ebd37 2455 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2456 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2457
2458 switch (prev_state) {
2459 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2460 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2461 QLCNIC_DEV_INITIALIZING);
2462 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2463 QLCNIC_DRV_IDC_VER);
6df900e9 2464 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2465 qlcnic_api_unlock(adapter);
2466 return 1;
2467
2468 case QLCNIC_DEV_READY:
96f8118c 2469 ret = qlcnic_check_idc_ver(adapter);
af19b491 2470 qlcnic_api_unlock(adapter);
96f8118c 2471 return ret;
af19b491
AKS		 2472
2473 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2474 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2475 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2476 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2477 break;
2478
2479 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2480 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2481 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2482 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2483 break;
2484
2485 case QLCNIC_DEV_FAILED:
a7fc948f 2486 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2487 qlcnic_api_unlock(adapter);
2488 return -1;
bbd8c6a4
AKS		 2489
2490 case QLCNIC_DEV_INITIALIZING:
2491 case QLCNIC_DEV_QUISCENT:
2492 break;
af19b491
AKS		 2493 }
2494
2495 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2496
2497 do {
af19b491 2498 msleep(1000);
a15ebd37 2499 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2500
2501 if (prev_state == QLCNIC_DEV_QUISCENT)
2502 continue;
2503 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2504
65b5b420
AKS		 2505 if (!dev_init_timeo) {
2506 dev_err(&adapter->pdev->dev,
2507 "Waiting for device to initialize timeout\n");
af19b491 2508 return -1;
65b5b420 2509 }
af19b491
AKS		 2510
2511 if (qlcnic_api_lock(adapter))
2512 return -1;
2513
a15ebd37 2514 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2515 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2516 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2517
96f8118c 2518 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2519 qlcnic_api_unlock(adapter);
2520
96f8118c 2521 return ret;
af19b491
AKS		 2522}
2523
2524static void
2525qlcnic_fwinit_work(struct work_struct *work)
2526{
2527 struct qlcnic_adapter *adapter = container_of(work,
2528 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2529 u32 dev_state = 0xf;
7b749ff4 2530 u32 val;
af19b491 2531
f73dfc50
AKS		 2532 if (qlcnic_api_lock(adapter))
2533 goto err_ret;
af19b491 2534
a15ebd37 2535 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2536 if (dev_state == QLCNIC_DEV_QUISCENT ||
2537 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2538 qlcnic_api_unlock(adapter);
2539 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2540 FW_POLL_DELAY * 2);
2541 return;
2542 }
2543
79788450 2544 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2545 qlcnic_api_unlock(adapter);
2546 goto wait_npar;
9f26f547
AC		 2547 }
2548
16e3cf73
SV		 2549 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2550 dev_state == QLCNIC_DEV_READY) {
2551 dev_info(&adapter->pdev->dev, "Detected state change from "
2552 "DEV_NEED_RESET, skipping ack check\n");
2553 goto skip_ack_check;
2554 }
2555
f73dfc50 2556 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2557 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2558 adapter->reset_ack_timeo);
2559 goto skip_ack_check;
2560 }
2561
2562 if (!qlcnic_check_drv_state(adapter)) {
2563skip_ack_check:
a15ebd37 2564 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2565
f73dfc50 2566 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2567 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2568 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2569 set_bit(__QLCNIC_START_FW, &adapter->state);
2570 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2571 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2572 val = QLC_SHARED_REG_RD32(adapter,
2573 QLCNIC_CRB_DRV_STATE);
7b749ff4 2574 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2575 QLC_SHARED_REG_WR32(adapter,
2576 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2577 }
2578
f73dfc50
AKS		 2579 qlcnic_api_unlock(adapter);
2580
287e38aa 2581 rtnl_lock();
7b749ff4
SV		 2582 if (adapter->ahw->fw_dump.enable &&
2583 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2584 QLCDB(adapter, DRV, "Take FW dump\n");
2585 qlcnic_dump_fw(adapter);
032a13c7 2586 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2587 }
287e38aa 2588 rtnl_unlock();
7b749ff4
SV		 2589
2590 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2591 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2592 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2593 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2594 return;
2595 }
af19b491
AKS		 2596 goto err_ret;
2597 }
2598
f73dfc50 2599 qlcnic_api_unlock(adapter);
aa5e18c0 2600
9f26f547 2601wait_npar:
a15ebd37 2602 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2603 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2604
af19b491 2605 switch (dev_state) {
3c4b23b1 2606 case QLCNIC_DEV_READY:
7e2cf4fe 2607 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2608 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2609 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2610 return;
2611 }
3c4b23b1
AKS		 2612 case QLCNIC_DEV_FAILED:
2613 break;
2614 default:
2615 qlcnic_schedule_work(adapter,
2616 qlcnic_fwinit_work, FW_POLL_DELAY);
2617 return;
af19b491
AKS		 2618 }
2619
2620err_ret:
f73dfc50
AKS		 2621 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2622 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2623 netif_device_attach(adapter->netdev);
21854f02 2624 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2625}
2626
2627static void
2628qlcnic_detach_work(struct work_struct *work)
2629{
2630 struct qlcnic_adapter *adapter = container_of(work,
2631 struct qlcnic_adapter, fw_work.work);
2632 struct net_device *netdev = adapter->netdev;
2633 u32 status;
2634
2635 netif_device_detach(netdev);
2636
b8c17620
AKS		 2637 /* Dont grab rtnl lock during Quiscent mode */
2638 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2639 if (netif_running(netdev))
2640 __qlcnic_down(adapter, netdev);
2641 } else
2642 qlcnic_down(adapter, netdev);
af19b491 2643
a15ebd37 2644 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2645
44f65b29
SC		 2646 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2647 dev_err(&adapter->pdev->dev,
2648 "Detaching the device: peg halt status1=0x%x\n",
2649 status);
2650
2651 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2652 dev_err(&adapter->pdev->dev,
2653 "On board active cooling fan failed. "
2654 "Device has been halted.\n");
2655 dev_err(&adapter->pdev->dev,
2656 "Replace the adapter.\n");
2657 }
2658
af19b491 2659 goto err_ret;
44f65b29 2660 }
af19b491 2661
79788450 2662 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2663 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2664 adapter->ahw->temp);
af19b491 2665 goto err_ret;
44f65b29
SC		 2666 }
2667
602ca6f0
SV		 2668 /* Dont ack if this instance is the reset owner */
2669 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2670 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2671 dev_err(&adapter->pdev->dev,
2672 "Failed to set driver state,"
2673 "detaching the device.\n");
602ca6f0 2674 goto err_ret;
44f65b29 2675 }
602ca6f0 2676 }
af19b491
AKS		 2677
2678 adapter->fw_wait_cnt = 0;
2679
2680 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2681
2682 return;
2683
2684err_ret:
34ce3626 2685 netif_device_attach(netdev);
21854f02 2686 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2687}
2688
3c4b23b1
AKS		 2689/*Transit NPAR state to NON Operational */
2690static void
2691qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2692{
2693 u32 state;
2694
a15ebd37 2695 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2696 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2697 return;
2698
2699 if (qlcnic_api_lock(adapter))
2700 return;
a15ebd37
HM		 2701 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2702 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2703 qlcnic_api_unlock(adapter);
2704}
2705
7e2cf4fe 2706void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2707{
646779f1
SV		 2708 u32 state, xg_val = 0, gb_val = 0;
2709
2710 qlcnic_xg_set_xg0_mask(xg_val);
2711 qlcnic_xg_set_xg1_mask(xg_val);
2712 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2713 qlcnic_gb_set_gb0_mask(gb_val);
2714 qlcnic_gb_set_gb1_mask(gb_val);
2715 qlcnic_gb_set_gb2_mask(gb_val);
2716 qlcnic_gb_set_gb3_mask(gb_val);
2717 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2718 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2719 " on all ports\n");
cea8975e 2720 adapter->need_fw_reset = 1;
13159183 2721
af19b491
AKS		 2722 if (qlcnic_api_lock(adapter))
2723 return;
2724
13159183 2725 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2726
f73dfc50 2727 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2728 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2729 QLCNIC_DEV_NEED_RESET);
602ca6f0 2730 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2731 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2732 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2733 }
2734
13159183
SC		 2735 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2736 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2737 qlcnic_api_unlock(adapter);
2738}
2739
9f26f547
AC		 2740/* Transit to NPAR READY state from NPAR NOT READY state */
2741static void
2742qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2743{
9f26f547
AC		 2744 if (qlcnic_api_lock(adapter))
2745 return;
2746
a15ebd37
HM		 2747 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2748 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2749 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2750
2751 qlcnic_api_unlock(adapter);
2752}
2753
13159183
SC		 2754void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2755 work_func_t func, int delay)
af19b491 2756{
451724c8
SC		 2757 if (test_bit(__QLCNIC_AER, &adapter->state))
2758 return;
2759
af19b491 2760 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2761 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2762 round_jiffies_relative(delay));
af19b491
AKS		 2763}
2764
2765static void
2766qlcnic_attach_work(struct work_struct *work)
2767{
2768 struct qlcnic_adapter *adapter = container_of(work,
2769 struct qlcnic_adapter, fw_work.work);
2770 struct net_device *netdev = adapter->netdev;
b18971d1 2771 u32 npar_state;
af19b491 2772
79788450 2773 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2774 npar_state = QLC_SHARED_REG_RD32(adapter,
2775 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2776 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2777 qlcnic_clr_all_drv_state(adapter, 0);
2778 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2779 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2780 FW_POLL_DELAY);
2781 else
2782 goto attach;
2783 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2784 return;
2785 }
2786attach:
af19b491 2787 if (netif_running(netdev)) {
52486a3a 2788 if (qlcnic_up(adapter, netdev))
af19b491 2789 goto done;
af19b491 2790
aec1e845 2791 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2792 }
2793
af19b491 2794done:
34ce3626 2795 netif_device_attach(netdev);
af19b491 2796 adapter->fw_fail_cnt = 0;
032a13c7 2797 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2798 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2799
2800 if (!qlcnic_clr_drv_state(adapter))
2801 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2802 FW_POLL_DELAY);
af19b491
AKS		 2803}
2804
2805static int
2806qlcnic_check_health(struct qlcnic_adapter *adapter)
2807{
4e70812b 2808 u32 state = 0, heartbeat;
853d4bca 2809 u32 peg_status;
af19b491
AKS		 2810
2811 if (qlcnic_check_temp(adapter))
2812 goto detach;
2813
2372a5f1 2814 if (adapter->need_fw_reset)
7e2cf4fe 2815 qlcnic_dev_request_reset(adapter, 0);
af19b491 2816
a15ebd37 2817 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2818 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2819 qlcnic_set_npar_non_operational(adapter);
af19b491 2820 adapter->need_fw_reset = 1;
b8c17620
AKS		 2821 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2822 goto detach;
af19b491 2823
a15ebd37 2824 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2825 if (heartbeat != adapter->heartbeat) {
2826 adapter->heartbeat = heartbeat;
af19b491
AKS		 2827 adapter->fw_fail_cnt = 0;
2828 if (adapter->need_fw_reset)
2829 goto detach;
68bf1c68 2830
099f7aa7 2831 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2832 qlcnic_reset_hw_context(adapter);
2833 adapter->netdev->trans_start = jiffies;
2834 }
2835
af19b491
AKS		 2836 return 0;
2837 }
2838
2839 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2840 return 0;
2841
032a13c7
SV		 2842 adapter->flags |= QLCNIC_FW_HANG;
2843
7e2cf4fe 2844 qlcnic_dev_request_reset(adapter, 0);
af19b491 2845
099f7aa7 2846 if (qlcnic_auto_fw_reset)
0df170b6 2847 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2848
853d4bca 2849 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2850 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2851 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2852 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2853 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2854 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2855 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2856 peg_status,
2857 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2858 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2859 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2860 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2861 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2862 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2863 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2864 dev_err(&adapter->pdev->dev,
2865 "Firmware aborted with error code 0x00006700. "
2866 "Device is being reset.\n");
af19b491
AKS		 2867detach:
2868 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2869 QLCNIC_DEV_NEED_RESET;
2870
099f7aa7
SC		 2871 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2872 &adapter->state)) {
65b5b420 2873
af19b491 2874 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2875 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2876 }
af19b491
AKS		 2877
2878 return 1;
2879}
2880
2881static void
2882qlcnic_fw_poll_work(struct work_struct *work)
2883{
2884 struct qlcnic_adapter *adapter = container_of(work,
2885 struct qlcnic_adapter, fw_work.work);
2886
2887 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2888 goto reschedule;
2889
2890
2891 if (qlcnic_check_health(adapter))
2892 return;
2893
b5e5492c
AKS		 2894 if (adapter->fhash.fnum)
2895 qlcnic_prune_lb_filters(adapter);
2896
af19b491
AKS		 2897reschedule:
2898 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2899}
2900
13159183
SC		 2901struct pci_dev *pci_get_domain_bus_and_slot(int domain, unsigned int bus,
2902 unsigned int devfn)
2903{
2904 struct pci_dev *dev = NULL;
2905
2906 while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
2907 if (pci_domain_nr(dev->bus) == domain &&
2908 (dev->bus->number == bus && dev->devfn == devfn))
2909 return dev;
2910 }
2911 return NULL;
2912}
2913
451724c8
SC		 2914static int qlcnic_is_first_func(struct pci_dev *pdev)
2915{
2916 struct pci_dev *oth_pdev;
2917 int val = pdev->devfn;
2918
2919 while (val-- > 0) {
2920 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2921 (pdev->bus), pdev->bus->number,
2922 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 2923 if (!oth_pdev)
2924 continue;
451724c8 2925
bfc978fa
AKS		 2926 if (oth_pdev->current_state != PCI_D3cold) {
2927 pci_dev_put(oth_pdev);
451724c8 2928 return 0;
bfc978fa
AKS		 2929 }
2930 pci_dev_put(oth_pdev);
451724c8
SC		 2931 }
2932 return 1;
2933}
2934
2935static int qlcnic_attach_func(struct pci_dev *pdev)
2936{
2937 int err, first_func;
2938 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2939 struct net_device *netdev = adapter->netdev;
2940
2941 pdev->error_state = pci_channel_io_normal;
2942
2943 err = pci_enable_device(pdev);
2944 if (err)
2945 return err;
2946
2947 pci_set_power_state(pdev, PCI_D0);
2948 pci_set_master(pdev);
2949 pci_restore_state(pdev);
2950
2951 first_func = qlcnic_is_first_func(pdev);
2952
2953 if (qlcnic_api_lock(adapter))
2954 return -EINVAL;
2955
79788450 2956 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 2957 adapter->need_fw_reset = 1;
2958 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 2959 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2960 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 2961 QLCDB(adapter, DRV, "Restarting fw\n");
2962 }
2963 qlcnic_api_unlock(adapter);
2964
13159183 2965 err = qlcnic_start_firmware(adapter);
451724c8
SC		 2966 if (err)
2967 return err;
2968
2969 qlcnic_clr_drv_state(adapter);
13159183
SC		 2970 kfree(adapter->msix_entries);
2971 adapter->msix_entries = NULL;
2972 err = qlcnic_setup_intr(adapter, 0);
2973
2974 if (qlcnic_83xx_check(adapter)) {
2975 err = qlcnic_83xx_setup_mbx_intr(adapter);
2976 if (err) {
2977 dev_err(&adapter->pdev->dev,
2978 "failed to setup mbx interrupt\n");
2979 qlcnic_clr_all_drv_state(adapter, 1);
2980 clear_bit(__QLCNIC_AER, &adapter->state);
2981 goto done;
2982 }
2983 }
451724c8
SC		 2984
2985 if (netif_running(netdev)) {
2986 err = qlcnic_attach(adapter);
2987 if (err) {
21854f02 2988 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 2989 clear_bit(__QLCNIC_AER, &adapter->state);
2990 netif_device_attach(netdev);
2991 return err;
2992 }
2993
2994 err = qlcnic_up(adapter, netdev);
2995 if (err)
2996 goto done;
2997
aec1e845 2998 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 2999 }
3000 done:
3001 netif_device_attach(netdev);
3002 return err;
3003}
3004
3005static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3006 pci_channel_state_t state)
3007{
3008 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3009 struct net_device *netdev = adapter->netdev;
3010
3011 if (state == pci_channel_io_perm_failure)
3012 return PCI_ERS_RESULT_DISCONNECT;
3013
3014 if (state == pci_channel_io_normal)
3015 return PCI_ERS_RESULT_RECOVERED;
3016
3017 set_bit(__QLCNIC_AER, &adapter->state);
3018 netif_device_detach(netdev);
3019
3020 cancel_delayed_work_sync(&adapter->fw_work);
3021
3022 if (netif_running(netdev))
3023 qlcnic_down(adapter, netdev);
3024
13159183
SC		 3025 if (qlcnic_83xx_check(adapter)) {
3026 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3027 qlcnic_83xx_config_intrpt(adapter, 0);
3028 qlcnic_83xx_free_mbx_intr(adapter);
3029 }
3030
451724c8
SC		 3031 qlcnic_detach(adapter);
3032 qlcnic_teardown_intr(adapter);
3033
3034 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3035
3036 pci_save_state(pdev);
3037 pci_disable_device(pdev);
3038
3039 return PCI_ERS_RESULT_NEED_RESET;
3040}
3041
3042static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3043{
3044 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3045 PCI_ERS_RESULT_RECOVERED;
3046}
3047
3048static void qlcnic_io_resume(struct pci_dev *pdev)
3049{
a15ebd37 3050 u32 state;
451724c8
SC		 3051 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3052
3053 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3054 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3055 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3056 &adapter->state))
451724c8
SC		 3057 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3058 FW_POLL_DELAY);
3059}
3060
87eb743b
AC		 3061static int
3062qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3063{
3064 int err;
3065
3066 err = qlcnic_can_start_firmware(adapter);
3067 if (err)
3068 return err;
3069
78f84e1a
AKS		 3070 err = qlcnic_check_npar_opertional(adapter);
3071 if (err)
3072 return err;
3c4b23b1 3073
174240a8
RB		 3074 err = qlcnic_initialize_nic(adapter);
3075 if (err)
3076 return err;
3077
87eb743b
AC		 3078 qlcnic_check_options(adapter);
3079
7373373d
RB		 3080 err = qlcnic_set_eswitch_port_config(adapter);
3081 if (err)
3082 return err;
3083
87eb743b
AC		 3084 adapter->need_fw_reset = 0;
3085
3086 return err;
3087}
3088
319ecf12 3089int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3090{
319ecf12
SC		 3091 u32 max_allowed;
3092
3093 if (max_hw > QLC_MAX_SDS_RINGS) {
3094 max_hw = QLC_MAX_SDS_RINGS;
3095 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3096 }
3097
319ecf12
SC		 3098 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3099 num_online_cpus()));
3100 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3101 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3102 max_allowed);
f94bc1e7
SC		 3103 return -EINVAL;
3104 }
3105 return 0;
f94bc1e7
SC		 3106}
3107
319ecf12 3108int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3109{
13159183 3110 int err;
f94bc1e7 3111 struct net_device *netdev = adapter->netdev;
f94bc1e7 3112
319ecf12
SC		 3113 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3114 return -EBUSY;
3115
f94bc1e7
SC		 3116 netif_device_detach(netdev);
3117 if (netif_running(netdev))
3118 __qlcnic_down(adapter, netdev);
13159183 3119
319ecf12 3120 if (qlcnic_82xx_check(adapter)) {
13159183
SC		 3121 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3122 qlcnic_83xx_config_intrpt(adapter, 0);
3123 qlcnic_83xx_free_mbx_intr(adapter);
3124 }
3125
f94bc1e7
SC		 3126 qlcnic_detach(adapter);
3127 qlcnic_teardown_intr(adapter);
319ecf12 3128 err = qlcnic_setup_intr(adapter, data);
13159183
SC		 3129 if (err)
3130 dev_err(&adapter->pdev->dev,
3131 "failed setting max_rss; rss disabled\n");
f94bc1e7 3132
13159183
SC		 3133 if (qlcnic_83xx_check(adapter)) {
3134 err = qlcnic_83xx_setup_mbx_intr(adapter);
3135 if (err) {
3136 dev_err(&adapter->pdev->dev,
3137 "failed to setup mbx interrupt\n");
3138 goto done;
3139 }
f94bc1e7
SC		 3140 }
3141
3142 if (netif_running(netdev)) {
3143 err = qlcnic_attach(adapter);
3144 if (err)
3145 goto done;
3146 err = __qlcnic_up(adapter, netdev);
3147 if (err)
3148 goto done;
3149 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3150 }
319ecf12 3151 err = len;
f94bc1e7
SC		 3152 done:
3153 netif_device_attach(netdev);
3154 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3155 return err;
3156}
3157
af19b491
AKS		 3158#ifdef CONFIG_INET
3159
3160#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3161
af19b491 3162static void
aec1e845
AKS		 3163qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3164 struct net_device *dev, unsigned long event)
af19b491
AKS		 3165{
3166 struct in_device *indev;
af19b491 3167
af19b491
AKS		 3168 indev = in_dev_get(dev);
3169 if (!indev)
3170 return;
3171
3172 for_ifa(indev) {
3173 switch (event) {
3174 case NETDEV_UP:
3175 qlcnic_config_ipaddr(adapter,
3176 ifa->ifa_address, QLCNIC_IP_UP);
3177 break;
3178 case NETDEV_DOWN:
3179 qlcnic_config_ipaddr(adapter,
3180 ifa->ifa_address, QLCNIC_IP_DOWN);
3181 break;
3182 default:
3183 break;
3184 }
3185 } endfor_ifa(indev);
3186
3187 in_dev_put(indev);
af19b491
AKS		 3188}
3189
319ecf12 3190void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3191{
3192 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3193 struct net_device *dev;
3194 u16 vid;
3195
3196 qlcnic_config_indev_addr(adapter, netdev, event);
3197
b9796a14 3198 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3199 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3200 if (!dev)
3201 continue;
aec1e845
AKS		 3202 qlcnic_config_indev_addr(adapter, dev, event);
3203 }
3204}
3205
af19b491
AKS		 3206static int qlcnic_netdev_event(struct notifier_block *this,
3207 unsigned long event, void *ptr)
3208{
3209 struct qlcnic_adapter *adapter;
3210 struct net_device *dev = (struct net_device *)ptr;
3211
3212recheck:
3213 if (dev == NULL)
3214 goto done;
3215
3216 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3217 dev = vlan_dev_real_dev(dev);
3218 goto recheck;
3219 }
3220
3221 if (!is_qlcnic_netdev(dev))
3222 goto done;
3223
3224 adapter = netdev_priv(dev);
3225
3226 if (!adapter)
3227 goto done;
3228
8a15ad1f 3229 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3230 goto done;
3231
aec1e845 3232 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3233done:
3234 return NOTIFY_DONE;
3235}
3236
3237static int
3238qlcnic_inetaddr_event(struct notifier_block *this,
3239 unsigned long event, void *ptr)
3240{
3241 struct qlcnic_adapter *adapter;
3242 struct net_device *dev;
3243
3244 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3245
3246 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3247
3248recheck:
aec1e845 3249 if (dev == NULL)
af19b491
AKS		 3250 goto done;
3251
3252 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3253 dev = vlan_dev_real_dev(dev);
3254 goto recheck;
3255 }
3256
3257 if (!is_qlcnic_netdev(dev))
3258 goto done;
3259
3260 adapter = netdev_priv(dev);
3261
251a84c9 3262 if (!adapter)
af19b491
AKS		 3263 goto done;
3264
8a15ad1f 3265 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3266 goto done;
3267
3268 switch (event) {
3269 case NETDEV_UP:
3270 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3271
af19b491
AKS		 3272 break;
3273 case NETDEV_DOWN:
3274 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3275
af19b491
AKS		 3276 break;
3277 default:
3278 break;
3279 }
3280
3281done:
3282 return NOTIFY_DONE;
3283}
3284
3285static struct notifier_block qlcnic_netdev_cb = {
3286 .notifier_call = qlcnic_netdev_event,
3287};
3288
3289static struct notifier_block qlcnic_inetaddr_cb = {
3290 .notifier_call = qlcnic_inetaddr_event,
3291};
3292#else
3293static void
aec1e845 3294qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3295{ }
3296#endif
63507592 3297static struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3298 .error_detected = qlcnic_io_error_detected,
3299 .slot_reset = qlcnic_io_slot_reset,
3300 .resume = qlcnic_io_resume,
3301};
af19b491
AKS		 3302
3303static struct pci_driver qlcnic_driver = {
3304 .name = qlcnic_driver_name,
3305 .id_table = qlcnic_pci_tbl,
3306 .probe = qlcnic_probe,
6bb58bb0 3307 .remove = qlcnic_remove,
af19b491
AKS		 3308#ifdef CONFIG_PM
3309 .suspend = qlcnic_suspend,
3310 .resume = qlcnic_resume,
3311#endif
451724c8
SC		 3312 .shutdown = qlcnic_shutdown,
3313 .err_handler = &qlcnic_err_handler
3314
af19b491
AKS		 3315};
3316
3317static int __init qlcnic_init_module(void)
3318{
0cf3a14c 3319 int ret;
af19b491
AKS		 3320
3321 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3322
3323#ifdef CONFIG_INET
3324 register_netdevice_notifier(&qlcnic_netdev_cb);
3325 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3326#endif
3327
0cf3a14c
AKS		 3328 ret = pci_register_driver(&qlcnic_driver);
3329 if (ret) {
3330#ifdef CONFIG_INET
3331 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3332 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3333#endif
3334 }
af19b491 3335
0cf3a14c 3336 return ret;
af19b491
AKS		 3337}
3338
3339module_init(qlcnic_init_module);
3340
3341static void __exit qlcnic_exit_module(void)
3342{
af19b491
AKS		 3343 pci_unregister_driver(&qlcnic_driver);
3344
3345#ifdef CONFIG_INET
3346 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3347 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3348#endif
3349}
3350
3351module_exit(qlcnic_exit_module);
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