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qlcnic: sleeping function called from invalid context
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129
SV		 2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
a15ebd37 12#include "qlcnic_hw.h"
af19b491 13
7e56cac4 14#include <linux/swab.h>
af19b491 15#include <linux/dma-mapping.h>
13159183 16#include <linux/if_vlan.h>
af19b491
AKS		 17#include <net/ip.h>
18#include <linux/ipv6.h>
19#include <linux/inetdevice.h>
451724c8 20#include <linux/aer.h>
f94bc1e7 21#include <linux/log2.h>
47caf255 22#include <linux/pci.h>
af19b491 23
7f9a0c34 24MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 25MODULE_LICENSE("GPL");
26MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
27MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
28
29char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 30static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 32
b5e5492c 33static int qlcnic_mac_learn;
b11a25aa 34module_param(qlcnic_mac_learn, int, 0444);
b5e5492c
AKS		 35MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
36
629263ac 37int qlcnic_use_msi = 1;
af19b491 38MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
099f7aa7 39module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 40
629263ac 41int qlcnic_use_msi_x = 1;
af19b491 42MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
099f7aa7 43module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 44
629263ac 45int qlcnic_auto_fw_reset = 1;
af19b491 46MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
099f7aa7 47module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 48
629263ac 49int qlcnic_load_fw_file;
4d5bdb38 50MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 51module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 52
629263ac 53int qlcnic_config_npars;
b11a25aa 54module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 55MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
56
1dd06ae8 57static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 58static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 59static int qlcnic_open(struct net_device *netdev);
60static int qlcnic_close(struct net_device *netdev);
af19b491 61static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 62static void qlcnic_attach_work(struct work_struct *work);
63static void qlcnic_fwinit_work(struct work_struct *work);
64static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 65#ifdef CONFIG_NET_POLL_CONTROLLER
66static void qlcnic_poll_controller(struct net_device *netdev);
67#endif
68
6df900e9 69static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 70static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 71static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
72
7eb9855d 73static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 74static irqreturn_t qlcnic_intr(int irq, void *data);
75static irqreturn_t qlcnic_msi_intr(int irq, void *data);
76static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 77static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 78
79static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 80static int qlcnic_start_firmware(struct qlcnic_adapter *);
81
b5e5492c 82static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 83static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 84static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 85static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
86 struct qlcnic_esw_func_cfg *);
8e586137
JP		 87static int qlcnic_vlan_rx_add(struct net_device *, u16);
88static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 89
bff57d8e
SC		 90#define QLCNIC_IS_TSO_CAPABLE(adapter) \
91 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
92
13159183
SC		 93static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
94{
95 struct qlcnic_hardware_context *ahw = adapter->ahw;
96
97 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
98 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
99 else
100 return 1;
101}
102
af19b491
AKS		 103/* PCI Device ID Table */
104#define ENTRY(device) \
105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
107
6a902881 108static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
af19b491
AKS		 111 {0,}
112};
113
114MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
115
116
5ad6ff9d 117inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 118{
119 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 120}
121
122static const u32 msi_tgt_status[8] = {
123 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
124 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
125 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
126 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
127};
128
7e2cf4fe
SC		 129static const u32 qlcnic_reg_tbl[] = {
130 0x1B20A8, /* PEG_HALT_STAT1 */
131 0x1B20AC, /* PEG_HALT_STAT2 */
132 0x1B20B0, /* FW_HEARTBEAT */
133 0x1B2100, /* LOCK ID */
134 0x1B2128, /* FW_CAPABILITIES */
135 0x1B2138, /* drv active */
136 0x1B2140, /* dev state */
137 0x1B2144, /* drv state */
138 0x1B2148, /* drv scratch */
139 0x1B214C, /* dev partition info */
140 0x1B2174, /* drv idc ver */
141 0x1B2150, /* fw version major */
142 0x1B2154, /* fw version minor */
143 0x1B2158, /* fw version sub */
144 0x1B219C, /* npar state */
145 0x1B21FC, /* FW_IMG_VALID */
146 0x1B2250, /* CMD_PEG_STATE */
147 0x1B233C, /* RCV_PEG_STATE */
148 0x1B23B4, /* ASIC TEMP */
149 0x1B216C, /* FW api */
150 0x1B2170, /* drv op mode */
151 0x13C010, /* flash lock */
152 0x13C014, /* flash unlock */
153};
154
22999798
SC		 155static const struct qlcnic_board_info qlcnic_boards[] = {
156 {0x1077, 0x8020, 0x1077, 0x203,
157 "8200 Series Single Port 10GbE Converged Network Adapter"
158 "(TCP/IP Networking)"},
159 {0x1077, 0x8020, 0x1077, 0x207,
160 "8200 Series Dual Port 10GbE Converged Network Adapter"
161 "(TCP/IP Networking)"},
162 {0x1077, 0x8020, 0x1077, 0x20b,
163 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
164 {0x1077, 0x8020, 0x1077, 0x20c,
165 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
166 {0x1077, 0x8020, 0x1077, 0x20f,
167 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
168 {0x1077, 0x8020, 0x103c, 0x3733,
169 "NC523SFP 10Gb 2-port Server Adapter"},
170 {0x1077, 0x8020, 0x103c, 0x3346,
171 "CN1000Q Dual Port Converged Network Adapter"},
172 {0x1077, 0x8020, 0x1077, 0x210,
173 "QME8242-k 10GbE Dual Port Mezzanine Card"},
174 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
175};
176
177#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 178#define QLC_MAX_SDS_RINGS 8
22999798 179
af19b491
AKS		 180static const
181struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
182
c70001a9 183int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 184{
185 int size = sizeof(struct qlcnic_host_sds_ring) * count;
186
187 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
188
807540ba 189 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 190}
191
c70001a9 192void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 193{
194 if (recv_ctx->sds_rings != NULL)
195 kfree(recv_ctx->sds_rings);
196
197 recv_ctx->sds_rings = NULL;
198}
199
af19b491
AKS		 200static int
201qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
202{
2e9d722d 203 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 204 struct net_device *netdev = adapter->netdev;
205 struct pci_dev *pdev = adapter->pdev;
206
da48e6c3 207 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 208 return -EIO;
209
2e9d722d 210 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 211 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
212
213 /* set station address */
214
aaeb6cdf 215 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 216 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
217 netdev->dev_addr);
218
219 return 0;
220}
221
222static int qlcnic_set_mac(struct net_device *netdev, void *p)
223{
224 struct qlcnic_adapter *adapter = netdev_priv(netdev);
225 struct sockaddr *addr = p;
226
7373373d
RB		 227 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
228 return -EOPNOTSUPP;
229
af19b491 230 if (!is_valid_ether_addr(addr->sa_data))
13159183 231 return -EINVAL;
af19b491 232
8a15ad1f 233 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 234 netif_device_detach(netdev);
235 qlcnic_napi_disable(adapter);
236 }
237
238 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
239 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
240 qlcnic_set_multi(adapter->netdev);
241
8a15ad1f 242 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 243 netif_device_attach(netdev);
244 qlcnic_napi_enable(adapter);
245 }
246 return 0;
247}
248
7e2cf4fe
SC		 249static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
250{
251 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
252 usleep_range(10000, 11000);
253
254 cancel_delayed_work_sync(&adapter->fw_work);
255}
256
af19b491
AKS		 257static const struct net_device_ops qlcnic_netdev_ops = {
258 .ndo_open = qlcnic_open,
259 .ndo_stop = qlcnic_close,
260 .ndo_start_xmit = qlcnic_xmit_frame,
261 .ndo_get_stats = qlcnic_get_stats,
262 .ndo_validate_addr = eth_validate_addr,
afc4b13d 263 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 264 .ndo_set_mac_address = qlcnic_set_mac,
265 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 266 .ndo_fix_features = qlcnic_fix_features,
267 .ndo_set_features = qlcnic_set_features,
af19b491 268 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 269 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
270 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
af19b491
AKS		 271#ifdef CONFIG_NET_POLL_CONTROLLER
272 .ndo_poll_controller = qlcnic_poll_controller,
273#endif
274};
275
b43e5ee7
SC		 276static const struct net_device_ops qlcnic_netdev_failed_ops = {
277 .ndo_open = qlcnic_open,
278};
279
2e9d722d 280static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 281 .config_bridged_mode = qlcnic_config_bridged_mode,
282 .config_led = qlcnic_82xx_config_led,
283 .start_firmware = qlcnic_82xx_start_firmware,
284 .request_reset = qlcnic_82xx_dev_request_reset,
285 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
286 .napi_add = qlcnic_82xx_napi_add,
4be41e92 287 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 288 .config_ipaddr = qlcnic_82xx_config_ipaddr,
289 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
290};
291
292struct qlcnic_nic_template qlcnic_vf_ops = {
293 .config_bridged_mode = qlcnicvf_config_bridged_mode,
294 .config_led = qlcnicvf_config_led,
295 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 296};
297
7e2cf4fe
SC		 298static struct qlcnic_hardware_ops qlcnic_hw_ops = {
299 .read_crb = qlcnic_82xx_read_crb,
300 .write_crb = qlcnic_82xx_write_crb,
301 .read_reg = qlcnic_82xx_hw_read_wx_2M,
302 .write_reg = qlcnic_82xx_hw_write_wx_2M,
303 .get_mac_address = qlcnic_82xx_get_mac_address,
304 .setup_intr = qlcnic_82xx_setup_intr,
305 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
306 .mbx_cmd = qlcnic_82xx_issue_cmd,
307 .get_func_no = qlcnic_82xx_get_func_no,
308 .api_lock = qlcnic_82xx_api_lock,
309 .api_unlock = qlcnic_82xx_api_unlock,
310 .add_sysfs = qlcnic_82xx_add_sysfs,
311 .remove_sysfs = qlcnic_82xx_remove_sysfs,
312 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
313 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
314 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
315 .setup_link_event = qlcnic_82xx_linkevent_request,
316 .get_nic_info = qlcnic_82xx_get_nic_info,
317 .get_pci_info = qlcnic_82xx_get_pci_info,
318 .set_nic_info = qlcnic_82xx_set_nic_info,
319 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
320 .napi_enable = qlcnic_82xx_napi_enable,
321 .napi_disable = qlcnic_82xx_napi_disable,
322 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
323 .config_rss = qlcnic_82xx_config_rss,
324 .config_hw_lro = qlcnic_82xx_config_hw_lro,
325 .config_loopback = qlcnic_82xx_set_lb_mode,
326 .clear_loopback = qlcnic_82xx_clear_lb_mode,
327 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
328 .change_l2_filter = qlcnic_82xx_change_filter,
329 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 330};
331
7f966452 332int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 333{
af19b491 334 struct pci_dev *pdev = adapter->pdev;
13159183
SC		 335 int err = -1, i;
336 int max_tx_rings;
337
338 if (!adapter->msix_entries) {
339 adapter->msix_entries = kcalloc(num_msix,
340 sizeof(struct msix_entry),
341 GFP_KERNEL);
342 if (!adapter->msix_entries) {
343 dev_err(&pdev->dev, "failed allocating msix_entries\n");
344 return -ENOMEM;
345 }
346 }
af19b491
AKS		 347
348 adapter->max_sds_rings = 1;
af19b491 349 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 350
79788450 351 if (adapter->ahw->msix_supported) {
f94bc1e7 352 enable_msix:
13159183
SC		 353 for (i = 0; i < num_msix; i++)
354 adapter->msix_entries[i].entry = i;
af19b491
AKS		 355 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
356 if (err == 0) {
357 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 358 if (qlcnic_83xx_check(adapter)) {
359 adapter->ahw->num_msix = num_msix;
360 /* subtract mail box and tx ring vectors */
361 max_tx_rings = adapter->max_drv_tx_rings;
362 adapter->max_sds_rings = num_msix -
363 max_tx_rings - 1;
364 } else {
365 adapter->max_sds_rings = num_msix;
366 }
af19b491 367 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 368 return err;
13159183
SC		 369 } else if (err > 0) {
370 dev_info(&pdev->dev,
371 "Unable to allocate %d MSI-X interrupt vectors\n",
372 num_msix);
373 if (qlcnic_83xx_check(adapter)) {
374 if (err < QLC_83XX_MINIMUM_VECTOR)
375 return err;
376 err -= (adapter->max_drv_tx_rings + 1);
377 num_msix = rounddown_pow_of_two(err);
378 num_msix += (adapter->max_drv_tx_rings + 1);
379 } else {
380 num_msix = rounddown_pow_of_two(err);
381 }
382
383 if (num_msix) {
384 dev_info(&pdev->dev,
385 "Trying %d MSI-X interrupt vectors\n",
386 num_msix);
f94bc1e7 387 goto enable_msix;
13159183
SC		 388 }
389 } else {
390 dev_info(&pdev->dev, "Failed to get %d vectors\n",
391 num_msix);
f94bc1e7
SC		 392 }
393 }
13159183 394
f94bc1e7
SC		 395 return err;
396}
af19b491 397
9a97e705 398static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 399{
9a97e705 400 int err = 0;
15087c2b 401 u32 offset, mask_reg;
f94bc1e7 402 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 403 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 404 struct pci_dev *pdev = adapter->pdev;
af19b491 405
099f7aa7 406 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 407 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 408 offset = msi_tgt_status[adapter->ahw->pci_func];
409 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
410 offset);
af19b491
AKS		 411 dev_info(&pdev->dev, "using msi interrupts\n");
412 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 413 return err;
af19b491 414 }
9a97e705
M		 415 if (qlcnic_use_msi || qlcnic_use_msi_x)
416 return -EOPNOTSUPP;
af19b491 417
f94bc1e7 418 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 419 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 420 offset = legacy_intrp->tgt_status_reg;
421 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
422 mask_reg = legacy_intrp->tgt_mask_reg;
423 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
424 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
425 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 426 dev_info(&pdev->dev, "using legacy interrupts\n");
427 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 428 return err;
af19b491
AKS		 429}
430
7e2cf4fe 431int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 432{
9a97e705 433 int num_msix, err = 0;
f94bc1e7 434
7e2cf4fe
SC		 435 if (!num_intr)
436 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
437
438 if (adapter->ahw->msix_supported)
5f6ec29a 439 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 440 num_intr));
441 else
f94bc1e7
SC		 442 num_msix = 1;
443
7e2cf4fe
SC		 444 err = qlcnic_enable_msix(adapter, num_msix);
445 if (err == -ENOMEM || !err)
446 return err;
f94bc1e7 447
9a97e705
M		 448 err = qlcnic_enable_msi_legacy(adapter);
449 if (!err)
450 return err;
451
452 return -EIO;
f94bc1e7 453}
13159183 454
319ecf12 455void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 456{
457 if (adapter->flags & QLCNIC_MSIX_ENABLED)
458 pci_disable_msix(adapter->pdev);
459 if (adapter->flags & QLCNIC_MSI_ENABLED)
460 pci_disable_msi(adapter->pdev);
13159183
SC		 461
462 kfree(adapter->msix_entries);
463 adapter->msix_entries = NULL;
464
465 if (adapter->ahw->intr_tbl) {
466 vfree(adapter->ahw->intr_tbl);
467 adapter->ahw->intr_tbl = NULL;
468 }
af19b491
AKS		 469}
470
471static void
472qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
473{
b1fc6d3c
AC		 474 if (adapter->ahw->pci_base0 != NULL)
475 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 476}
477
7e2cf4fe
SC		 478static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
479{
480 struct qlcnic_pci_info *pci_info;
481 int ret;
482
483 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
484 switch (adapter->ahw->port_type) {
485 case QLCNIC_GBE:
486 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
487 break;
488 case QLCNIC_XGBE:
489 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
490 break;
491 }
492 return 0;
493 }
494
495 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
496 return 0;
497
498 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
499 if (!pci_info)
500 return -ENOMEM;
501
502 ret = qlcnic_get_pci_info(adapter, pci_info);
503 kfree(pci_info);
504 return ret;
505}
d71170fb
SC		 506
507int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 508{
e88db3bd 509 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 510 int i, ret = 0, j = 0;
511 u16 act_pci_func;
346fe763
RB		 512 u8 pfn;
513
e88db3bd
DC		 514 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
515 if (!pci_info)
516 return -ENOMEM;
517
bff57d8e
SC		 518 ret = qlcnic_get_pci_info(adapter, pci_info);
519 if (ret)
520 goto err_pci_info;
521
522 act_pci_func = adapter->ahw->act_pci_func;
523
ca315ac2 524 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 525 act_pci_func, GFP_KERNEL);
e88db3bd 526 if (!adapter->npars) {
900853a4 527 ret = -ENOMEM;
e88db3bd
DC		 528 goto err_pci_info;
529 }
346fe763 530
ca315ac2 531 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 532 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
533 if (!adapter->eswitch) {
900853a4 534 ret = -ENOMEM;
ca315ac2 535 goto err_npars;
346fe763
RB		 536 }
537
ca315ac2
DC		 538 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
539 pfn = pci_info[i].id;
bff57d8e 540
0f6efff9 541 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 542 ret = QL_STATUS_INVALID_PARAM;
543 goto err_eswitch;
544 }
bff57d8e
SC		 545
546 if (!pci_info[i].active ||
547 (pci_info[i].type != QLCNIC_TYPE_NIC))
548 continue;
549
550 adapter->npars[j].pci_func = pfn;
551 adapter->npars[j].active = (u8)pci_info[i].active;
552 adapter->npars[j].type = (u8)pci_info[i].type;
553 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
554 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
555 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
556 j++;
346fe763
RB		 557 }
558
13159183 559 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 560 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 561 if (qlcnic_83xx_check(adapter))
562 qlcnic_enable_eswitch(adapter, i, 1);
563 }
ca315ac2 564
e88db3bd 565 kfree(pci_info);
ca315ac2
DC		 566 return 0;
567
568err_eswitch:
346fe763
RB		 569 kfree(adapter->eswitch);
570 adapter->eswitch = NULL;
ca315ac2 571err_npars:
346fe763 572 kfree(adapter->npars);
ca315ac2 573 adapter->npars = NULL;
e88db3bd
DC		 574err_pci_info:
575 kfree(pci_info);
346fe763
RB		 576
577 return ret;
578}
579
2e9d722d
AC		 580static int
581qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
582{
583 u8 id;
2e9d722d
AC		 584 int i, ret = 1;
585 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 586 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 587
2e9d722d
AC		 588 ret = qlcnic_api_lock(adapter);
589 if (ret)
590 goto err_lock;
2e9d722d 591
0e33c664 592 if (qlcnic_config_npars) {
bff57d8e
SC		 593 for (i = 0; i < ahw->act_pci_func; i++) {
594 id = adapter->npars[i].pci_func;
595 if (id == ahw->pci_func)
0e33c664
AC		 596 continue;
597 data |= (qlcnic_config_npars &
598 QLC_DEV_SET_DRV(0xf, id));
599 }
600 } else {
a15ebd37 601 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 602 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 603 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 604 ahw->pci_func));
2e9d722d 605 }
a15ebd37 606 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 607 qlcnic_api_unlock(adapter);
608err_lock:
609 return ret;
610}
611
13159183
SC		 612static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
613 const struct pci_device_id *ent)
2e9d722d 614{
2e9d722d
AC		 615 u32 op_mode, priv_level;
616
617 /* Determine FW API version */
13159183
SC		 618 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
619 QLCNIC_FW_API);
2e9d722d
AC		 620
621 /* Find PCI function number */
13159183 622 qlcnic_get_func_no(adapter);
2e9d722d
AC		 623
624 /* Determine function privilege level */
13159183 625 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 626 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 627 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 628 else
b1fc6d3c 629 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 630
0866d96d 631 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 632 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 633 dev_info(&adapter->pdev->dev,
634 "HAL Version: %d Non Privileged function\n",
79788450 635 adapter->ahw->fw_hal_version);
9f26f547 636 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 637 } else
638 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 639}
640
15087c2b 641#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 642#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 643static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
644{
645 switch (dev_id) {
646 case PCI_DEVICE_ID_QLOGIC_QLE824X:
647 *bar = QLCNIC_82XX_BAR0_LENGTH;
648 break;
13159183
SC		 649 case PCI_DEVICE_ID_QLOGIC_QLE834X:
650 *bar = QLCNIC_83XX_BAR0_LENGTH;
651 break;
15087c2b
SC		 652 default:
653 *bar = 0;
654 }
655}
656
657static int qlcnic_setup_pci_map(struct pci_dev *pdev,
658 struct qlcnic_hardware_context *ahw)
af19b491 659{
15087c2b 660 u32 offset;
af19b491 661 void __iomem *mem_ptr0 = NULL;
15087c2b 662 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 663
af19b491 664 /* remap phys address */
af19b491
AKS		 665 mem_len = pci_resource_len(pdev, 0);
666
15087c2b
SC		 667 qlcnic_get_bar_length(pdev->device, &bar0_len);
668 if (mem_len >= bar0_len) {
af19b491
AKS		 669
670 mem_ptr0 = pci_ioremap_bar(pdev, 0);
671 if (mem_ptr0 == NULL) {
672 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
673 return -EIO;
674 }
675 pci_len0 = mem_len;
676 } else {
677 return -EIO;
678 }
679
680 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 681
15087c2b
SC		 682 ahw->pci_base0 = mem_ptr0;
683 ahw->pci_len0 = pci_len0;
684 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
685 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 686
687 return 0;
688}
689
22999798 690static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 691{
692 struct pci_dev *pdev = adapter->pdev;
693 int i, found = 0;
694
695 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
696 if (qlcnic_boards[i].vendor == pdev->vendor &&
697 qlcnic_boards[i].device == pdev->device &&
698 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
699 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 700 sprintf(name, "%pM: %s" ,
701 adapter->mac_addr,
702 qlcnic_boards[i].short_name);
af19b491
AKS		 703 found = 1;
704 break;
705 }
706
707 }
708
709 if (!found)
7f9a0c34 710 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 711}
712
713static void
714qlcnic_check_options(struct qlcnic_adapter *adapter)
715{
a15ebd37 716 int err;
031a4a26 717 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 718 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 719 struct qlcnic_hardware_context *ahw = adapter->ahw;
720 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 721
722 prev_fw_version = adapter->fw_version;
af19b491 723
a15ebd37
HM		 724 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
725 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
726 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 727
728 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
729
a15ebd37
HM		 730 err = qlcnic_get_board_info(adapter);
731 if (err) {
732 dev_err(&pdev->dev, "Error getting board config info.\n");
733 return;
734 }
735 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 736 if (fw_dump->tmpl_hdr == NULL ||
737 adapter->fw_version > prev_fw_version) {
738 if (fw_dump->tmpl_hdr)
739 vfree(fw_dump->tmpl_hdr);
740 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
741 dev_info(&pdev->dev,
742 "Supports FW dump capability\n");
743 }
744 }
745
13159183
SC		 746 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
747 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
748
b1fc6d3c 749 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 750 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
751 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
752 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
753 } else {
754 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
755 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
756 }
757
af19b491 758 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 759 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
760
b1fc6d3c 761 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 762 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
763 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 764 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
765 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 766 }
767
099f7aa7 768 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 769
770 adapter->num_txd = MAX_CMD_DESCRIPTORS;
771
251b036a 772 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 773}
774
174240a8
RB		 775static int
776qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
777{
778 int err;
779 struct qlcnic_info nic_info;
780
bff57d8e 781 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 782 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 783 if (err)
784 return err;
785
79788450
SC		 786 adapter->ahw->physical_port = (u8)nic_info.phys_port;
787 adapter->ahw->switch_mode = nic_info.switch_mode;
788 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
789 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
790 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 791
792 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
793 u32 temp;
794 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
795 adapter->ahw->capabilities2 = temp;
796 }
79788450
SC		 797 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
798 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 799
13159183
SC		 800 /* Disable NPAR for 83XX */
801 if (qlcnic_83xx_check(adapter))
802 return err;
803
79788450 804 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 805 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
806 else
807 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
808
809 return err;
810}
811
ec079a07
SC		 812void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
813 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 814{
815 if (esw_cfg->discard_tagged)
816 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
817 else
818 adapter->flags |= QLCNIC_TAGGING_ENABLED;
819
820 if (esw_cfg->vlan_id)
821 adapter->pvid = esw_cfg->vlan_id;
822 else
823 adapter->pvid = 0;
824}
825
8e586137 826static int
b9796a14
AC		 827qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
828{
829 struct qlcnic_adapter *adapter = netdev_priv(netdev);
830 set_bit(vid, adapter->vlans);
8e586137 831 return 0;
b9796a14
AC		 832}
833
8e586137 834static int
b9796a14
AC		 835qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
836{
837 struct qlcnic_adapter *adapter = netdev_priv(netdev);
838
839 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
840 clear_bit(vid, adapter->vlans);
8e586137 841 return 0;
b9796a14
AC		 842}
843
ec079a07
SC		 844void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
845 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 846{
ee07c1a7
RB		 847 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
848 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 849
850 if (esw_cfg->mac_anti_spoof)
851 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 852
7373373d
RB		 853 if (!esw_cfg->mac_override)
854 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
855
ee07c1a7
RB		 856 if (!esw_cfg->promisc_mode)
857 adapter->flags |= QLCNIC_PROMISC_DISABLED;
858
0325d69b
RB		 859 qlcnic_set_netdev_features(adapter, esw_cfg);
860}
861
d71170fb 862int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 863{
864 struct qlcnic_esw_func_cfg esw_cfg;
865
866 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
867 return 0;
868
b1fc6d3c 869 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 870 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
871 return -EIO;
8cf61f89 872 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 873 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
874
875 return 0;
876}
877
878static void
879qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
880 struct qlcnic_esw_func_cfg *esw_cfg)
881{
882 struct net_device *netdev = adapter->netdev;
13159183
SC		 883 unsigned long features, vlan_features;
884
885 if (qlcnic_83xx_check(adapter))
886 return;
0325d69b 887
7e38d04b
SC		 888 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
889 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 890 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 891 NETIF_F_IPV6_CSUM);
0325d69b 892
13159183 893 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 894 features |= (NETIF_F_TSO | NETIF_F_TSO6);
895 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
896 }
b56421d0
RB		 897
898 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 899 features |= NETIF_F_LRO;
900
901 if (esw_cfg->offload_flags & BIT_0) {
902 netdev->features |= features;
13159183 903 adapter->rx_csum = 1;
7e38d04b 904 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 905 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 906 features &= ~NETIF_F_TSO;
907 }
908 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 909 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 910 features &= ~NETIF_F_TSO6;
911 }
0325d69b
RB		 912 } else {
913 netdev->features &= ~features;
7e38d04b 914 features &= ~features;
13159183 915 adapter->rx_csum = 0;
0325d69b
RB		 916 }
917
918 netdev->vlan_features = (features & vlan_features);
919}
920
0866d96d
AC		 921static int
922qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
923{
0866d96d
AC		 924 u32 op_mode, priv_level;
925 int err = 0;
926
174240a8
RB		 927 err = qlcnic_initialize_nic(adapter);
928 if (err)
929 return err;
930
0866d96d
AC		 931 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
932 return 0;
933
13159183 934 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 935 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 936
937 if (op_mode == QLC_DEV_DRV_DEFAULT)
938 priv_level = QLCNIC_MGMT_FUNC;
939 else
b1fc6d3c 940 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 941
174240a8 942 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 943 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 944 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 945 err = qlcnic_init_pci_info(adapter);
946 if (err)
947 return err;
948 /* Set privilege level for other functions */
949 qlcnic_set_function_modes(adapter);
950 dev_info(&adapter->pdev->dev,
951 "HAL Version: %d, Management function\n",
79788450 952 adapter->ahw->fw_hal_version);
0866d96d 953 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 954 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 955 dev_info(&adapter->pdev->dev,
956 "HAL Version: %d, Privileged function\n",
79788450 957 adapter->ahw->fw_hal_version);
0866d96d 958 }
174240a8 959 }
0866d96d
AC		 960
961 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
962
963 return err;
964}
965
d71170fb 966int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 967{
968 struct qlcnic_esw_func_cfg esw_cfg;
969 struct qlcnic_npar_info *npar;
970 u8 i;
971
174240a8 972 if (adapter->need_fw_reset)
0325d69b
RB		 973 return 0;
974
bff57d8e 975 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 976 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 977 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 978 esw_cfg.mac_override = BIT_0;
ee07c1a7 979 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 980 if (qlcnic_82xx_check(adapter)) {
981 esw_cfg.offload_flags = BIT_0;
982 if (QLCNIC_IS_TSO_CAPABLE(adapter))
983 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
984 }
0325d69b
RB		 985 if (qlcnic_config_switch_port(adapter, &esw_cfg))
986 return -EIO;
987 npar = &adapter->npars[i];
988 npar->pvid = esw_cfg.vlan_id;
7373373d 989 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 990 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
991 npar->discard_tagged = esw_cfg.discard_tagged;
992 npar->promisc_mode = esw_cfg.promisc_mode;
993 npar->offload_flags = esw_cfg.offload_flags;
994 }
995
996 return 0;
997}
998
13159183 999
4e8acb01
RB		 1000static int
1001qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1002 struct qlcnic_npar_info *npar, int pci_func)
1003{
1004 struct qlcnic_esw_func_cfg esw_cfg;
1005 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1006 esw_cfg.pci_func = pci_func;
1007 esw_cfg.vlan_id = npar->pvid;
7373373d 1008 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1009 esw_cfg.discard_tagged = npar->discard_tagged;
1010 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1011 esw_cfg.offload_flags = npar->offload_flags;
1012 esw_cfg.promisc_mode = npar->promisc_mode;
1013 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1014 return -EIO;
1015
1016 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1017 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1018 return -EIO;
1019
1020 return 0;
1021}
1022
d71170fb 1023int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1024{
4e8acb01 1025 int i, err;
cea8975e
AC		 1026 struct qlcnic_npar_info *npar;
1027 struct qlcnic_info nic_info;
bff57d8e 1028 u8 pci_func;
cea8975e 1029
bff57d8e
SC		 1030 if (qlcnic_82xx_check(adapter))
1031 if (!adapter->need_fw_reset)
1032 return 0;
cea8975e 1033
4e8acb01 1034 /* Set the NPAR config data after FW reset */
bff57d8e 1035 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1036 npar = &adapter->npars[i];
bff57d8e
SC		 1037 pci_func = npar->pci_func;
1038 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1039 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1040 if (err)
1041 return err;
1042 nic_info.min_tx_bw = npar->min_bw;
1043 nic_info.max_tx_bw = npar->max_bw;
1044 err = qlcnic_set_nic_info(adapter, &nic_info);
1045 if (err)
1046 return err;
cea8975e 1047
4e8acb01
RB		 1048 if (npar->enable_pm) {
1049 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1050 npar->dest_npar, 1,
1051 pci_func);
4e8acb01
RB		 1052 if (err)
1053 return err;
cea8975e 1054 }
bff57d8e 1055 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1056 if (err)
1057 return err;
cea8975e 1058 }
4e8acb01 1059 return 0;
cea8975e
AC		 1060}
1061
78f84e1a
AKS		 1062static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1063{
1064 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1065 u32 npar_state;
1066
79788450 1067 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1068 return 0;
1069
a15ebd37
HM		 1070 npar_state = QLC_SHARED_REG_RD32(adapter,
1071 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1072 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1073 msleep(1000);
a15ebd37
HM		 1074 npar_state = QLC_SHARED_REG_RD32(adapter,
1075 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1076 }
1077 if (!npar_opt_timeo) {
1078 dev_err(&adapter->pdev->dev,
1079 "Waiting for NPAR state to opertional timeout\n");
1080 return -EIO;
1081 }
1082 return 0;
1083}
1084
174240a8
RB		 1085static int
1086qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1087{
1088 int err;
1089
1090 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1091 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1092 return 0;
1093
1094 err = qlcnic_set_default_offload_settings(adapter);
1095 if (err)
1096 return err;
1097
1098 err = qlcnic_reset_npar_config(adapter);
1099 if (err)
1100 return err;
1101
1102 qlcnic_dev_set_npar_ready(adapter);
1103
13159183
SC		 1104 if (qlcnic_83xx_check(adapter))
1105 qlcnic_83xx_register_nic_idc_func(adapter, 1);
174240a8
RB		 1106 return err;
1107}
1108
7e2cf4fe 1109int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1110{
d4066833 1111 int err;
af19b491 1112
aa5e18c0
SC		 1113 err = qlcnic_can_start_firmware(adapter);
1114 if (err < 0)
1115 return err;
1116 else if (!err)
d4066833 1117 goto check_fw_status;
af19b491 1118
099f7aa7 1119 if (qlcnic_load_fw_file)
4d5bdb38 1120 qlcnic_request_firmware(adapter);
8f891387 1121 else {
8cfdce08
SC		 1122 err = qlcnic_check_flash_fw_ver(adapter);
1123 if (err)
8f891387 1124 goto err_out;
1125
79788450 1126 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1127 }
af19b491
AKS		 1128
1129 err = qlcnic_need_fw_reset(adapter);
af19b491 1130 if (err == 0)
4e70812b 1131 goto check_fw_status;
af19b491 1132
d4066833
SC		 1133 err = qlcnic_pinit_from_rom(adapter);
1134 if (err)
1135 goto err_out;
af19b491
AKS		 1136
1137 err = qlcnic_load_firmware(adapter);
1138 if (err)
1139 goto err_out;
1140
1141 qlcnic_release_firmware(adapter);
d4066833 1142 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1143
d4066833
SC		 1144check_fw_status:
1145 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1146 if (err)
1147 goto err_out;
1148
a15ebd37 1149 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1150 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1151 err = qlcnic_check_eswitch_mode(adapter);
1152 if (err) {
1153 dev_err(&adapter->pdev->dev,
1154 "Memory allocation failed for eswitch\n");
1155 goto err_out;
1156 }
174240a8
RB		 1157 err = qlcnic_set_mgmt_operations(adapter);
1158 if (err)
1159 goto err_out;
1160
1161 qlcnic_check_options(adapter);
af19b491
AKS		 1162 adapter->need_fw_reset = 0;
1163
a7fc948f
AKS		 1164 qlcnic_release_firmware(adapter);
1165 return 0;
af19b491
AKS		 1166
1167err_out:
a15ebd37 1168 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1169 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1170
af19b491
AKS		 1171 qlcnic_release_firmware(adapter);
1172 return err;
1173}
1174
1175static int
1176qlcnic_request_irq(struct qlcnic_adapter *adapter)
1177{
1178 irq_handler_t handler;
1179 struct qlcnic_host_sds_ring *sds_ring;
13159183 1180 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1181 int err, ring;
1182
1183 unsigned long flags = 0;
1184 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1185 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1186
79788450 1187 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1188 if (qlcnic_82xx_check(adapter))
1189 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1190 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1191 flags |= IRQF_SHARED;
1192
1193 } else {
1194 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1195 handler = qlcnic_msix_intr;
1196 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1197 handler = qlcnic_msi_intr;
1198 else {
1199 flags |= IRQF_SHARED;
1200 handler = qlcnic_intr;
1201 }
af19b491
AKS		 1202 }
1203 adapter->irq = netdev->irq;
1204
13159183
SC		 1205 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1206 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1207 sds_ring = &recv_ctx->sds_rings[ring];
1208 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1209 "%s[%d]", netdev->name, ring);
1210 err = request_irq(sds_ring->irq, handler, flags,
1211 sds_ring->name, sds_ring);
1212 if (err)
1213 return err;
1214 }
1215 if (qlcnic_83xx_check(adapter) &&
1216 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1217 handler = qlcnic_msix_tx_intr;
1218 for (ring = 0; ring < adapter->max_drv_tx_rings;
1219 ring++) {
1220 tx_ring = &adapter->tx_ring[ring];
1221 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1222 "%s[%d]", netdev->name,
1223 adapter->max_sds_rings + ring);
1224 err = request_irq(tx_ring->irq, handler, flags,
1225 tx_ring->name, tx_ring);
1226 if (err)
1227 return err;
1228 }
1229 }
af19b491 1230 }
af19b491
AKS		 1231 return 0;
1232}
1233
1234static void
1235qlcnic_free_irq(struct qlcnic_adapter *adapter)
1236{
1237 int ring;
1238 struct qlcnic_host_sds_ring *sds_ring;
13159183 1239 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1240
b1fc6d3c 1241 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1242
13159183
SC		 1243 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1244 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1245 sds_ring = &recv_ctx->sds_rings[ring];
1246 free_irq(sds_ring->irq, sds_ring);
1247 }
1248 if (qlcnic_83xx_check(adapter)) {
1249 for (ring = 0; ring < adapter->max_drv_tx_rings;
1250 ring++) {
1251 tx_ring = &adapter->tx_ring[ring];
1252 if (tx_ring->irq)
1253 free_irq(tx_ring->irq, tx_ring);
1254 }
1255 }
af19b491
AKS		 1256 }
1257}
1258
319ecf12 1259int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1260{
8a15ad1f 1261 int ring;
cae82d49
RB		 1262 u32 capab2;
1263
8a15ad1f
AKS		 1264 struct qlcnic_host_rds_ring *rds_ring;
1265
af19b491
AKS		 1266 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1267 return -EIO;
1268
8a15ad1f
AKS		 1269 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1270 return 0;
0325d69b
RB		 1271 if (qlcnic_set_eswitch_port_config(adapter))
1272 return -EIO;
8a15ad1f 1273
79788450 1274 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1275 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1276 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1277 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1278 }
1279
8a15ad1f
AKS		 1280 if (qlcnic_fw_create_ctx(adapter))
1281 return -EIO;
1282
1283 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1284 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1285 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1286 }
1287
af19b491
AKS		 1288 qlcnic_set_multi(netdev);
1289 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1290
b1fc6d3c 1291 adapter->ahw->linkup = 0;
af19b491
AKS		 1292
1293 if (adapter->max_sds_rings > 1)
1294 qlcnic_config_rss(adapter, 1);
1295
1296 qlcnic_config_intr_coalesce(adapter);
1297
24763d80 1298 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1299 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1300
1301 qlcnic_napi_enable(adapter);
1302
1303 qlcnic_linkevent_request(adapter, 1);
1304
79788450 1305 adapter->ahw->reset_context = 0;
af19b491
AKS		 1306 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1307 return 0;
1308}
1309
629263ac 1310int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1311{
1312 int err = 0;
1313
1314 rtnl_lock();
1315 if (netif_running(netdev))
1316 err = __qlcnic_up(adapter, netdev);
1317 rtnl_unlock();
1318
1319 return err;
1320}
1321
319ecf12 1322void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1323{
1324 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1325 return;
1326
1327 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1328 return;
1329
1330 smp_mb();
1331 spin_lock(&adapter->tx_clean_lock);
1332 netif_carrier_off(netdev);
1333 netif_tx_disable(netdev);
1334
1335 qlcnic_free_mac_list(adapter);
1336
b5e5492c
AKS		 1337 if (adapter->fhash.fnum)
1338 qlcnic_delete_lb_filters(adapter);
1339
af19b491
AKS		 1340 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1341
1342 qlcnic_napi_disable(adapter);
1343
8a15ad1f 1344 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1345 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1346
1347 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1348 qlcnic_release_tx_buffers(adapter);
1349 spin_unlock(&adapter->tx_clean_lock);
1350}
1351
1352/* Usage: During suspend and firmware recovery module */
1353
629263ac 1354void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1355{
1356 rtnl_lock();
1357 if (netif_running(netdev))
1358 __qlcnic_down(adapter, netdev);
1359 rtnl_unlock();
1360
1361}
1362
319ecf12 1363int
af19b491
AKS		 1364qlcnic_attach(struct qlcnic_adapter *adapter)
1365{
1366 struct net_device *netdev = adapter->netdev;
1367 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1368 int err;
af19b491
AKS		 1369
1370 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1371 return 0;
1372
af19b491
AKS		 1373 err = qlcnic_napi_add(adapter, netdev);
1374 if (err)
1375 return err;
1376
1377 err = qlcnic_alloc_sw_resources(adapter);
1378 if (err) {
1379 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1380 goto err_out_napi_del;
af19b491
AKS		 1381 }
1382
1383 err = qlcnic_alloc_hw_resources(adapter);
1384 if (err) {
1385 dev_err(&pdev->dev, "Error in setting hw resources\n");
1386 goto err_out_free_sw;
1387 }
1388
af19b491
AKS		 1389 err = qlcnic_request_irq(adapter);
1390 if (err) {
1391 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1392 goto err_out_free_hw;
af19b491
AKS		 1393 }
1394
af19b491
AKS		 1395 qlcnic_create_sysfs_entries(adapter);
1396
1397 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1398 return 0;
1399
8a15ad1f 1400err_out_free_hw:
af19b491
AKS		 1401 qlcnic_free_hw_resources(adapter);
1402err_out_free_sw:
1403 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1404err_out_napi_del:
1405 qlcnic_napi_del(adapter);
af19b491
AKS		 1406 return err;
1407}
1408
319ecf12 1409void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1410{
1411 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1412 return;
1413
1414 qlcnic_remove_sysfs_entries(adapter);
1415
1416 qlcnic_free_hw_resources(adapter);
1417 qlcnic_release_rx_buffers(adapter);
1418 qlcnic_free_irq(adapter);
1419 qlcnic_napi_del(adapter);
1420 qlcnic_free_sw_resources(adapter);
1421
1422 adapter->is_up = 0;
1423}
1424
7eb9855d
AKS		 1425void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1426{
1427 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1428 struct qlcnic_host_sds_ring *sds_ring;
1429 int ring;
1430
78ad3892 1431 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1432 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1433 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1434 sds_ring = &adapter->recv_ctx->sds_rings[ring];
13159183
SC		 1435 if (qlcnic_83xx_check(adapter))
1436 writel(1, sds_ring->crb_intr_mask);
1437 else
1438 qlcnic_disable_int(sds_ring);
cdaff185 1439 }
7eb9855d
AKS		 1440 }
1441
8a15ad1f
AKS		 1442 qlcnic_fw_destroy_ctx(adapter);
1443
7eb9855d
AKS		 1444 qlcnic_detach(adapter);
1445
79788450 1446 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1447 adapter->max_sds_rings = max_sds_rings;
1448
1449 if (qlcnic_attach(adapter))
34ce3626 1450 goto out;
7eb9855d
AKS		 1451
1452 if (netif_running(netdev))
1453 __qlcnic_up(adapter, netdev);
34ce3626 1454out:
7eb9855d
AKS		 1455 netif_device_attach(netdev);
1456}
1457
b1fc6d3c
AC		 1458static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1459{
1460 int err = 0;
b1fc6d3c
AC		 1461 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1462 GFP_KERNEL);
1463 if (!adapter->recv_ctx) {
1464 dev_err(&adapter->pdev->dev,
1465 "Failed to allocate recv ctx resources for adapter\n");
b1fc6d3c 1466 err = -ENOMEM;
8816d009 1467 goto err_out;
b1fc6d3c 1468 }
8816d009
AC		 1469 /* Initialize interrupt coalesce parameters */
1470 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1471 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1472 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1473 /* clear stats */
1474 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1475err_out:
1476 return err;
1477}
1478
1479static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1480{
1481 kfree(adapter->recv_ctx);
1482 adapter->recv_ctx = NULL;
1483
18f2f616
AC		 1484 if (adapter->ahw->fw_dump.tmpl_hdr) {
1485 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1486 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1487 }
4be41e92 1488
81d0aeb0 1489 kfree(adapter->ahw->reset.buff);
4be41e92 1490 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1491}
1492
7eb9855d
AKS		 1493int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1494{
1495 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1496 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1497 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1498 int ring;
1499 int ret;
1500
1501 netif_device_detach(netdev);
1502
1503 if (netif_running(netdev))
1504 __qlcnic_down(adapter, netdev);
1505
1506 qlcnic_detach(adapter);
1507
1508 adapter->max_sds_rings = 1;
79788450 1509 adapter->ahw->diag_test = test;
4be41e92 1510 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1511
1512 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1513 if (ret) {
1514 netif_device_attach(netdev);
7eb9855d 1515 return ret;
34ce3626 1516 }
7eb9855d 1517
8a15ad1f
AKS		 1518 ret = qlcnic_fw_create_ctx(adapter);
1519 if (ret) {
1520 qlcnic_detach(adapter);
57e46248 1521 netif_device_attach(netdev);
8a15ad1f
AKS		 1522 return ret;
1523 }
1524
1525 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1526 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1527 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1528 }
1529
79788450 1530 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1531 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1532 sds_ring = &adapter->recv_ctx->sds_rings[ring];
7e38d04b
SC		 1533 if (qlcnic_82xx_check(adapter))
1534 qlcnic_enable_int(sds_ring);
1535 else
1536 qlcnic_83xx_enable_intr(adapter, sds_ring);
cdaff185 1537 }
7eb9855d 1538 }
22c8c934 1539
79788450 1540 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1541 adapter->ahw->loopback_state = 0;
1542 qlcnic_linkevent_request(adapter, 1);
1543 }
1544
78ad3892 1545 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1546
1547 return 0;
1548}
1549
68bf1c68
AKS		 1550/* Reset context in hardware only */
1551static int
1552qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1553{
1554 struct net_device *netdev = adapter->netdev;
1555
1556 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1557 return -EBUSY;
1558
1559 netif_device_detach(netdev);
1560
1561 qlcnic_down(adapter, netdev);
1562
1563 qlcnic_up(adapter, netdev);
1564
1565 netif_device_attach(netdev);
1566
1567 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1568 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1569 return 0;
1570}
1571
af19b491
AKS		 1572int
1573qlcnic_reset_context(struct qlcnic_adapter *adapter)
1574{
1575 int err = 0;
1576 struct net_device *netdev = adapter->netdev;
1577
1578 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1579 return -EBUSY;
1580
1581 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1582
1583 netif_device_detach(netdev);
1584
1585 if (netif_running(netdev))
1586 __qlcnic_down(adapter, netdev);
1587
1588 qlcnic_detach(adapter);
1589
1590 if (netif_running(netdev)) {
1591 err = qlcnic_attach(adapter);
1d5c88e3 1592 if (!err) {
34ce3626 1593 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1594 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1595 }
af19b491
AKS		 1596 }
1597
1598 netif_device_attach(netdev);
1599 }
1600
af19b491
AKS		 1601 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1602 return err;
1603}
1604
1605static int
5ad6ff9d
SC		 1606qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1607 int pci_using_dac)
af19b491
AKS		 1608{
1609 int err;
1610 struct pci_dev *pdev = adapter->pdev;
1611
13159183 1612 adapter->rx_csum = 1;
79788450 1613 adapter->ahw->mc_enabled = 0;
13159183 1614 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1615
1616 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1617 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1618
1619 qlcnic_change_mtu(netdev, netdev->mtu);
1620
1621 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1622
7e38d04b 1623 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1624 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1625 NETIF_F_HW_VLAN_RX);
1626 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1627 NETIF_F_IPV6_CSUM);
ac8d0c4f 1628
13159183
SC		 1629 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1630 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1631 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1632 }
af19b491 1633
13159183
SC		 1634 if (pci_using_dac) {
1635 netdev->features |= NETIF_F_HIGHDMA;
1636 netdev->vlan_features |= NETIF_F_HIGHDMA;
1637 }
af19b491 1638
13159183
SC		 1639 if (qlcnic_vlan_tx_check(adapter))
1640 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1641
13159183
SC		 1642 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1643 netdev->features |= NETIF_F_LRO;
135d84a9 1644
7e38d04b 1645 netdev->hw_features = netdev->features;
af19b491
AKS		 1646 netdev->irq = adapter->msix_entries[0].vector;
1647
af19b491
AKS		 1648 err = register_netdev(netdev);
1649 if (err) {
1650 dev_err(&pdev->dev, "failed to register net device\n");
1651 return err;
1652 }
1653
1654 return 0;
1655}
1656
5ad6ff9d 1657static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1658{
1659 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1660 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1661 *pci_using_dac = 1;
1662 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1663 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1664 *pci_using_dac = 0;
1665 else {
1666 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1667 return -EIO;
1668 }
1669
1670 return 0;
1671}
1672
4be41e92
SC		 1673void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1674{
1675 int ring;
1676 struct qlcnic_host_tx_ring *tx_ring;
1677
1678 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1679 tx_ring = &adapter->tx_ring[ring];
1680 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1681 vfree(tx_ring->cmd_buf_arr);
1682 tx_ring->cmd_buf_arr = NULL;
1683 }
1684 }
1685 if (adapter->tx_ring != NULL)
1686 kfree(adapter->tx_ring);
1687}
1688
1689int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1690 struct net_device *netdev)
1691{
1692 int ring, size, vector, index;
1693 struct qlcnic_host_tx_ring *tx_ring;
1694 struct qlcnic_cmd_buffer *cmd_buf_arr;
1695
1696 size = adapter->max_drv_tx_rings * sizeof(struct qlcnic_host_tx_ring);
1697 tx_ring = kzalloc(size, GFP_KERNEL);
1698 if (tx_ring == NULL) {
1699 dev_err(&netdev->dev, "failed to allocate tx rings\n");
1700 return -ENOMEM;
1701 }
1702 adapter->tx_ring = tx_ring;
1703
1704 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1705 tx_ring = &adapter->tx_ring[ring];
1706 tx_ring->num_desc = adapter->num_txd;
1707 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1708 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1709 if (cmd_buf_arr == NULL) {
1710 dev_err(&netdev->dev,
1711 "failed to allocate cmd buffer ring\n");
1712 qlcnic_free_tx_rings(adapter);
1713 return -ENOMEM;
1714 }
1715 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1716 tx_ring->cmd_buf_arr = cmd_buf_arr;
1717 }
1718
1719 if (qlcnic_83xx_check(adapter)) {
1720 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1721 tx_ring = &adapter->tx_ring[ring];
1722 tx_ring->adapter = adapter;
1723 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1724 index = adapter->max_sds_rings + ring;
1725 vector = adapter->msix_entries[index].vector;
1726 tx_ring->irq = vector;
1727 }
1728 }
1729 }
1730 return 0;
1731}
1732
6bb58bb0 1733static int
af19b491
AKS		 1734qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1735{
1736 struct net_device *netdev = NULL;
1737 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1738 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1739 int err, pci_using_dac = -1;
c84e340a 1740 u32 capab2;
22999798 1741 char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1742
1743 err = pci_enable_device(pdev);
1744 if (err)
1745 return err;
1746
1747 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1748 err = -ENODEV;
1749 goto err_out_disable_pdev;
1750 }
1751
1bb09fb9
AKS		 1752 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1753 if (err)
1754 goto err_out_disable_pdev;
1755
af19b491
AKS		 1756 err = pci_request_regions(pdev, qlcnic_driver_name);
1757 if (err)
1758 goto err_out_disable_pdev;
1759
1760 pci_set_master(pdev);
451724c8 1761 pci_enable_pcie_error_reporting(pdev);
af19b491 1762
7e2cf4fe
SC		 1763 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1764 if (!ahw)
1765 goto err_out_free_res;
1766
1767 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1768 ahw->hw_ops = &qlcnic_hw_ops;
1769 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1770 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1771 qlcnic_83xx_register_map(ahw);
1772 } else {
1773 goto err_out_free_hw_res;
7e2cf4fe
SC		 1774 }
1775
1776 err = qlcnic_setup_pci_map(pdev, ahw);
1777 if (err)
1778 goto err_out_free_hw_res;
1779
af19b491
AKS		 1780 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1781 if (!netdev) {
af19b491 1782 err = -ENOMEM;
7e2cf4fe 1783 goto err_out_iounmap;
af19b491
AKS		 1784 }
1785
1786 SET_NETDEV_DEV(netdev, &pdev->dev);
1787
1788 adapter = netdev_priv(netdev);
1789 adapter->netdev = netdev;
1790 adapter->pdev = pdev;
13159183
SC		 1791 adapter->ahw = ahw;
1792
1793 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1794 if (adapter->qlcnic_wq == NULL) {
1795 dev_err(&pdev->dev, "Failed to create workqueue\n");
1796 goto err_out_free_netdev;
1797 }
af19b491 1798
2dfc9671
PST		 1799 err = qlcnic_alloc_adapter_resources(adapter);
1800 if (err)
b1fc6d3c
AC		 1801 goto err_out_free_netdev;
1802
1803 adapter->dev_rst_time = jiffies;
7e2cf4fe 1804 adapter->ahw->revision_id = pdev->revision;
e5dcf6dc 1805 adapter->mac_learn = qlcnic_mac_learn;
7e2cf4fe 1806 adapter->max_drv_tx_rings = 1;
af19b491 1807
b1fc6d3c
AC		 1808 rwlock_init(&adapter->ahw->crb_lock);
1809 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1810
1811 spin_lock_init(&adapter->tx_clean_lock);
1812 INIT_LIST_HEAD(&adapter->mac_list);
1813
7e2cf4fe 1814 if (qlcnic_82xx_check(adapter)) {
13159183 1815 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1816 adapter->portnum = adapter->ahw->pci_func;
1817 err = qlcnic_start_firmware(adapter);
1818 if (err) {
1819 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1820 goto err_out_free_hw;
1821 }
af19b491 1822
7e2cf4fe
SC		 1823 err = qlcnic_setup_idc_param(adapter);
1824 if (err)
1825 goto err_out_free_hw;
b0044bcf 1826
7e2cf4fe 1827 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1828 } else if (qlcnic_83xx_check(adapter)) {
1829 qlcnic_83xx_check_vf(adapter, ent);
1830 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1831 err = qlcnic_83xx_init(adapter);
1832 if (err) {
1833 dev_err(&pdev->dev, "%s: failed\n", __func__);
1834 goto err_out_free_hw;
1835 }
13159183
SC		 1836 } else {
1837 dev_err(&pdev->dev,
1838 "%s: failed. Please Reboot\n", __func__);
1839 goto err_out_free_hw;
a7fc948f 1840 }
af19b491 1841
da48e6c3
RB		 1842 if (qlcnic_read_mac_addr(adapter))
1843 dev_warn(&pdev->dev, "failed to read mac addr\n");
1844
1845 if (adapter->portnum == 0) {
22999798 1846 qlcnic_get_board_name(adapter, board_name);
13159183 1847
da48e6c3 1848 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1849 module_name(THIS_MODULE),
1850 board_name, adapter->ahw->revision_id);
da48e6c3 1851 }
7e2cf4fe 1852 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 1853 if (err) {
1854 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 1855 goto err_out_disable_msi;
9a97e705 1856 }
f94bc1e7 1857
13159183
SC		 1858 if (qlcnic_83xx_check(adapter)) {
1859 err = qlcnic_83xx_setup_mbx_intr(adapter);
1860 if (err)
1861 goto err_out_disable_msi;
1862 }
af19b491 1863
1bb09fb9 1864 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1865 if (err)
7e2cf4fe 1866 goto err_out_disable_mbx_intr;
af19b491 1867
c84e340a
SV		 1868 if (qlcnic_82xx_check(adapter)) {
1869 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1870 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1871 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1872 qlcnic_fw_cmd_set_drv_version(adapter);
1873 }
1874 }
1875
af19b491
AKS		 1876 pci_set_drvdata(pdev, adapter);
1877
97ee45eb
SC		 1878 if (qlcnic_82xx_check(adapter))
1879 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1880 FW_POLL_DELAY);
af19b491 1881
b1fc6d3c 1882 switch (adapter->ahw->port_type) {
af19b491
AKS		 1883 case QLCNIC_GBE:
1884 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1885 adapter->netdev->name);
1886 break;
1887 case QLCNIC_XGBE:
1888 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1889 adapter->netdev->name);
1890 break;
1891 }
1892
7e2cf4fe
SC		 1893 if (qlcnic_get_act_pci_func(adapter))
1894 goto err_out_disable_mbx_intr;
1895
e5dcf6dc
SC		 1896 if (adapter->mac_learn)
1897 qlcnic_alloc_lb_filters_mem(adapter);
1898
7e2cf4fe 1899 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1900
1901 return 0;
1902
7e2cf4fe 1903err_out_disable_mbx_intr:
13159183
SC		 1904 if (qlcnic_83xx_check(adapter)) {
1905 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1906 qlcnic_83xx_config_intrpt(adapter, 0);
1907 qlcnic_83xx_free_mbx_intr(adapter);
1908 }
7e2cf4fe 1909
af19b491
AKS		 1910err_out_disable_msi:
1911 qlcnic_teardown_intr(adapter);
7e2cf4fe 1912 qlcnic_cancel_idc_work(adapter);
21854f02 1913 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1914
b1fc6d3c
AC		 1915err_out_free_hw:
1916 qlcnic_free_adapter_resources(adapter);
1917
af19b491
AKS		 1918err_out_free_netdev:
1919 free_netdev(netdev);
1920
7e2cf4fe
SC		 1921err_out_iounmap:
1922 qlcnic_cleanup_pci_map(adapter);
1923
1924err_out_free_hw_res:
1925 kfree(ahw);
1926
af19b491
AKS		 1927err_out_free_res:
1928 pci_release_regions(pdev);
1929
1930err_out_disable_pdev:
1931 pci_set_drvdata(pdev, NULL);
1932 pci_disable_device(pdev);
1933 return err;
1934}
1935
6bb58bb0 1936static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 1937{
1938 struct qlcnic_adapter *adapter;
1939 struct net_device *netdev;
13159183 1940 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 1941
1942 adapter = pci_get_drvdata(pdev);
1943 if (adapter == NULL)
1944 return;
1945
1946 netdev = adapter->netdev;
1947
13159183
SC		 1948 qlcnic_cancel_idc_work(adapter);
1949 ahw = adapter->ahw;
af19b491
AKS		 1950
1951 unregister_netdev(netdev);
1952
13159183
SC		 1953 if (qlcnic_83xx_check(adapter)) {
1954 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1955 qlcnic_83xx_config_intrpt(adapter, 0);
1956 qlcnic_83xx_free_mbx_intr(adapter);
1957 }
1958
af19b491
AKS		 1959 qlcnic_detach(adapter);
1960
2e9d722d
AC		 1961 if (adapter->npars != NULL)
1962 kfree(adapter->npars);
1963 if (adapter->eswitch != NULL)
1964 kfree(adapter->eswitch);
1965
97ee45eb
SC		 1966 if (qlcnic_82xx_check(adapter))
1967 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1968
1969 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1970
b5e5492c
AKS		 1971 qlcnic_free_lb_filters_mem(adapter);
1972
af19b491
AKS		 1973 qlcnic_teardown_intr(adapter);
1974
13159183 1975 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 1976
1977 qlcnic_cleanup_pci_map(adapter);
1978
1979 qlcnic_release_firmware(adapter);
1980
451724c8 1981 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 1982 pci_release_regions(pdev);
1983 pci_disable_device(pdev);
1984 pci_set_drvdata(pdev, NULL);
1985
13159183
SC		 1986 if (adapter->qlcnic_wq) {
1987 destroy_workqueue(adapter->qlcnic_wq);
1988 adapter->qlcnic_wq = NULL;
1989 }
b1fc6d3c 1990 qlcnic_free_adapter_resources(adapter);
13159183 1991 kfree(ahw);
af19b491
AKS		 1992 free_netdev(netdev);
1993}
1994static int __qlcnic_shutdown(struct pci_dev *pdev)
1995{
1996 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1997 struct net_device *netdev = adapter->netdev;
1998 int retval;
1999
2000 netif_device_detach(netdev);
2001
13159183 2002 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2003
2004 if (netif_running(netdev))
2005 qlcnic_down(adapter, netdev);
2006
97ee45eb
SC		 2007 if (qlcnic_82xx_check(adapter))
2008 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2009
2010 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2011
2012 retval = pci_save_state(pdev);
2013 if (retval)
2014 return retval;
97ee45eb
SC		 2015 if (qlcnic_82xx_check(adapter)) {
2016 if (qlcnic_wol_supported(adapter)) {
2017 pci_enable_wake(pdev, PCI_D3cold, 1);
2018 pci_enable_wake(pdev, PCI_D3hot, 1);
2019 }
af19b491
AKS		 2020 }
2021
2022 return 0;
2023}
2024
2025static void qlcnic_shutdown(struct pci_dev *pdev)
2026{
2027 if (__qlcnic_shutdown(pdev))
2028 return;
2029
2030 pci_disable_device(pdev);
2031}
2032
2033#ifdef CONFIG_PM
2034static int
2035qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2036{
2037 int retval;
2038
2039 retval = __qlcnic_shutdown(pdev);
2040 if (retval)
2041 return retval;
2042
2043 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2044 return 0;
2045}
2046
2047static int
2048qlcnic_resume(struct pci_dev *pdev)
2049{
2050 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2051 struct net_device *netdev = adapter->netdev;
2052 int err;
2053
2054 err = pci_enable_device(pdev);
2055 if (err)
2056 return err;
2057
2058 pci_set_power_state(pdev, PCI_D0);
2059 pci_set_master(pdev);
2060 pci_restore_state(pdev);
2061
13159183 2062 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2063 if (err) {
2064 dev_err(&pdev->dev, "failed to start firmware\n");
2065 return err;
2066 }
2067
2068 if (netif_running(netdev)) {
af19b491
AKS		 2069 err = qlcnic_up(adapter, netdev);
2070 if (err)
52486a3a 2071 goto done;
af19b491 2072
aec1e845 2073 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2074 }
52486a3a 2075done:
af19b491
AKS		 2076 netif_device_attach(netdev);
2077 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2078 return 0;
af19b491
AKS		 2079}
2080#endif
2081
2082static int qlcnic_open(struct net_device *netdev)
2083{
2084 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2085 int err;
2086
c55ad8e5
AKS		 2087 netif_carrier_off(netdev);
2088
af19b491
AKS		 2089 err = qlcnic_attach(adapter);
2090 if (err)
2091 return err;
2092
2093 err = __qlcnic_up(adapter, netdev);
2094 if (err)
2095 goto err_out;
2096
2097 netif_start_queue(netdev);
2098
2099 return 0;
2100
2101err_out:
2102 qlcnic_detach(adapter);
2103 return err;
2104}
2105
2106/*
2107 * qlcnic_close - Disables a network interface entry point
2108 */
2109static int qlcnic_close(struct net_device *netdev)
2110{
2111 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2112
2113 __qlcnic_down(adapter, netdev);
13159183
SC		 2114 if (qlcnic_83xx_check(adapter)) {
2115 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2116 cancel_delayed_work_sync(&adapter->idc_aen_work);
2117 }
2118
af19b491
AKS		 2119 return 0;
2120}
2121
e5dcf6dc 2122void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2123{
2124 void *head;
2125 int i;
13159183
SC		 2126 struct net_device *netdev = adapter->netdev;
2127 u32 filter_size = 0;
2128 u16 act_pci_func = 0;
b5e5492c 2129
e5dcf6dc 2130 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2131 return;
2132
13159183 2133 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c
AKS		 2134 spin_lock_init(&adapter->mac_learn_lock);
2135
13159183
SC		 2136 if (qlcnic_82xx_check(adapter)) {
2137 filter_size = QLCNIC_LB_MAX_FILTERS;
2138 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2139 } else {
2140 filter_size = QLC_83XX_LB_MAX_FILTERS;
2141 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2142 }
2143
2144 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2145 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2146
b5e5492c
AKS		 2147 if (!head)
2148 return;
2149
13159183 2150 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2151 adapter->fhash.fhead = head;
b5e5492c 2152
13159183
SC		 2153 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2154 act_pci_func, adapter->fhash.fmax);
2155
2156 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c
AKS		 2157 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2158}
2159
2160static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2161{
2162 if (adapter->fhash.fmax && adapter->fhash.fhead)
2163 kfree(adapter->fhash.fhead);
2164
2165 adapter->fhash.fhead = NULL;
2166 adapter->fhash.fmax = 0;
2167}
2168
629263ac 2169int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2170{
2171 struct net_device *netdev = adapter->netdev;
97ee45eb 2172 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2173 int rv = 0;
2174
13159183
SC		 2175 if (qlcnic_83xx_check(adapter))
2176 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2177
97ee45eb 2178 if (qlcnic_82xx_check(adapter))
a15ebd37 2179 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2180
2181 temp_state = qlcnic_get_temp_state(temp);
2182 temp_val = qlcnic_get_temp_val(temp);
2183
2184 if (temp_state == QLCNIC_TEMP_PANIC) {
2185 dev_err(&netdev->dev,
2186 "Device temperature %d degrees C exceeds"
2187 " maximum allowed. Hardware has been shut down.\n",
2188 temp_val);
2189 rv = 1;
2190 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2191 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2192 dev_err(&netdev->dev,
2193 "Device temperature %d degrees C "
2194 "exceeds operating range."
2195 " Immediate action needed.\n",
2196 temp_val);
2197 }
2198 } else {
79788450 2199 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2200 dev_info(&netdev->dev,
2201 "Device temperature is now %d degrees C"
2202 " in normal range.\n", temp_val);
2203 }
2204 }
79788450 2205 adapter->ahw->temp = temp_state;
af19b491
AKS		 2206 return rv;
2207}
2208
af19b491
AKS		 2209static void qlcnic_tx_timeout(struct net_device *netdev)
2210{
2211 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2212
2213 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2214 return;
2215
2216 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2217
2218 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2219 adapter->need_fw_reset = 1;
2220 else
79788450 2221 adapter->ahw->reset_context = 1;
af19b491
AKS		 2222}
2223
2224static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2225{
2226 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2227 struct net_device_stats *stats = &netdev->stats;
2228
af19b491
AKS		 2229 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2230 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2231 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2232 stats->tx_bytes = adapter->stats.txbytes;
2233 stats->rx_dropped = adapter->stats.rxdropped;
2234 stats->tx_dropped = adapter->stats.txdropped;
2235
2236 return stats;
2237}
2238
7e2cf4fe 2239irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2240{
af19b491
AKS		 2241 u32 status;
2242
2243 status = readl(adapter->isr_int_vec);
2244
79788450 2245 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2246 return IRQ_NONE;
2247
2248 /* check interrupt state machine, to be sure */
2249 status = readl(adapter->crb_int_state_reg);
2250 if (!ISR_LEGACY_INT_TRIGGERED(status))
2251 return IRQ_NONE;
2252
2253 writel(0xffffffff, adapter->tgt_status_reg);
2254 /* read twice to ensure write is flushed */
2255 readl(adapter->isr_int_vec);
2256 readl(adapter->isr_int_vec);
2257
7eb9855d
AKS		 2258 return IRQ_HANDLED;
2259}
2260
2261static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2262{
2263 struct qlcnic_host_sds_ring *sds_ring = data;
2264 struct qlcnic_adapter *adapter = sds_ring->adapter;
2265
2266 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2267 goto done;
2268 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2269 writel(0xffffffff, adapter->tgt_status_reg);
2270 goto done;
2271 }
2272
2273 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2274 return IRQ_NONE;
2275
2276done:
79788450 2277 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2278 qlcnic_enable_int(sds_ring);
2279 return IRQ_HANDLED;
2280}
2281
2282static irqreturn_t qlcnic_intr(int irq, void *data)
2283{
2284 struct qlcnic_host_sds_ring *sds_ring = data;
2285 struct qlcnic_adapter *adapter = sds_ring->adapter;
2286
2287 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2288 return IRQ_NONE;
2289
af19b491
AKS		 2290 napi_schedule(&sds_ring->napi);
2291
2292 return IRQ_HANDLED;
2293}
2294
2295static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2296{
2297 struct qlcnic_host_sds_ring *sds_ring = data;
2298 struct qlcnic_adapter *adapter = sds_ring->adapter;
2299
2300 /* clear interrupt */
2301 writel(0xffffffff, adapter->tgt_status_reg);
2302
2303 napi_schedule(&sds_ring->napi);
2304 return IRQ_HANDLED;
2305}
2306
2307static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2308{
2309 struct qlcnic_host_sds_ring *sds_ring = data;
2310
2311 napi_schedule(&sds_ring->napi);
2312 return IRQ_HANDLED;
2313}
2314
13159183
SC		 2315static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2316{
2317 struct qlcnic_host_tx_ring *tx_ring = data;
2318
2319 napi_schedule(&tx_ring->napi);
2320 return IRQ_HANDLED;
2321}
2322
af19b491
AKS		 2323#ifdef CONFIG_NET_POLL_CONTROLLER
2324static void qlcnic_poll_controller(struct net_device *netdev)
2325{
bf82791e
YL		 2326 int ring;
2327 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2328 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2329 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2330
af19b491 2331 disable_irq(adapter->irq);
bf82791e
YL		 2332 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2333 sds_ring = &recv_ctx->sds_rings[ring];
2334 qlcnic_intr(adapter->irq, sds_ring);
2335 }
af19b491
AKS		 2336 enable_irq(adapter->irq);
2337}
2338#endif
2339
6df900e9
SC		 2340static void
2341qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2342{
2343 u32 val;
2344
2345 val = adapter->portnum & 0xf;
2346 val |= encoding << 7;
2347 val |= (jiffies - adapter->dev_rst_time) << 8;
2348
a15ebd37 2349 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2350 adapter->dev_rst_time = jiffies;
2351}
2352
ade91f8e
AKS		 2353static int
2354qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2355{
2356 u32 val;
2357
2358 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2359 state != QLCNIC_DEV_NEED_QUISCENT);
2360
2361 if (qlcnic_api_lock(adapter))
ade91f8e 2362 return -EIO;
af19b491 2363
a15ebd37 2364 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2365
2366 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2367 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2368 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2369 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2370
a15ebd37 2371 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2372
2373 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2374
2375 return 0;
af19b491
AKS		 2376}
2377
1b95a839
AKS		 2378static int
2379qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2380{
2381 u32 val;
2382
2383 if (qlcnic_api_lock(adapter))
2384 return -EBUSY;
2385
a15ebd37 2386 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2387 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2388 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2389
2390 qlcnic_api_unlock(adapter);
2391
2392 return 0;
2393}
2394
af19b491 2395static void
21854f02 2396qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2397{
2398 u32 val;
2399
2400 if (qlcnic_api_lock(adapter))
2401 goto err;
2402
a15ebd37 2403 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2404 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2405 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2406
21854f02 2407 if (failed) {
a15ebd37
HM		 2408 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2409 QLCNIC_DEV_FAILED);
21854f02
AKS		 2410 dev_info(&adapter->pdev->dev,
2411 "Device state set to Failed. Please Reboot\n");
2412 } else if (!(val & 0x11111111))
a15ebd37
HM		 2413 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2414 QLCNIC_DEV_COLD);
af19b491 2415
a15ebd37 2416 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2417 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2418 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2419
2420 qlcnic_api_unlock(adapter);
2421err:
2422 adapter->fw_fail_cnt = 0;
032a13c7 2423 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2424 clear_bit(__QLCNIC_START_FW, &adapter->state);
2425 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2426}
2427
f73dfc50 2428/* Grab api lock, before checking state */
af19b491
AKS		 2429static int
2430qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2431{
602ca6f0 2432 int act, state, active_mask;
a15ebd37 2433 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2434
a15ebd37
HM		 2435 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2436 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2437
602ca6f0 2438 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2439 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2440 act = act & active_mask;
2441 }
2442
af19b491
AKS		 2443 if (((state & 0x11111111) == (act & 0x11111111)) ||
2444 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2445 return 0;
2446 else
2447 return 1;
2448}
2449
96f8118c
SC		 2450static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2451{
a15ebd37 2452 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2453
2454 if (val != QLCNIC_DRV_IDC_VER) {
2455 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2456 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2457 }
2458
2459 return 0;
2460}
2461
af19b491
AKS		 2462static int
2463qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2464{
2465 u32 val, prev_state;
aa5e18c0 2466 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2467 u8 portnum = adapter->portnum;
96f8118c 2468 u8 ret;
af19b491 2469
f73dfc50
AKS		 2470 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2471 return 1;
2472
af19b491
AKS		 2473 if (qlcnic_api_lock(adapter))
2474 return -1;
2475
a15ebd37 2476 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2477 if (!(val & (1 << (portnum * 4)))) {
2478 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2479 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2480 }
2481
a15ebd37 2482 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2483 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2484
2485 switch (prev_state) {
2486 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2487 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2488 QLCNIC_DEV_INITIALIZING);
2489 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2490 QLCNIC_DRV_IDC_VER);
6df900e9 2491 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2492 qlcnic_api_unlock(adapter);
2493 return 1;
2494
2495 case QLCNIC_DEV_READY:
96f8118c 2496 ret = qlcnic_check_idc_ver(adapter);
af19b491 2497 qlcnic_api_unlock(adapter);
96f8118c 2498 return ret;
af19b491
AKS		 2499
2500 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2501 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2502 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2503 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2504 break;
2505
2506 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2507 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2508 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2509 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2510 break;
2511
2512 case QLCNIC_DEV_FAILED:
a7fc948f 2513 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2514 qlcnic_api_unlock(adapter);
2515 return -1;
bbd8c6a4
AKS		 2516
2517 case QLCNIC_DEV_INITIALIZING:
2518 case QLCNIC_DEV_QUISCENT:
2519 break;
af19b491
AKS		 2520 }
2521
2522 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2523
2524 do {
af19b491 2525 msleep(1000);
a15ebd37 2526 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2527
2528 if (prev_state == QLCNIC_DEV_QUISCENT)
2529 continue;
2530 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2531
65b5b420
AKS		 2532 if (!dev_init_timeo) {
2533 dev_err(&adapter->pdev->dev,
2534 "Waiting for device to initialize timeout\n");
af19b491 2535 return -1;
65b5b420 2536 }
af19b491
AKS		 2537
2538 if (qlcnic_api_lock(adapter))
2539 return -1;
2540
a15ebd37 2541 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2542 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2543 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2544
96f8118c 2545 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2546 qlcnic_api_unlock(adapter);
2547
96f8118c 2548 return ret;
af19b491
AKS		 2549}
2550
2551static void
2552qlcnic_fwinit_work(struct work_struct *work)
2553{
2554 struct qlcnic_adapter *adapter = container_of(work,
2555 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2556 u32 dev_state = 0xf;
7b749ff4 2557 u32 val;
af19b491 2558
f73dfc50
AKS		 2559 if (qlcnic_api_lock(adapter))
2560 goto err_ret;
af19b491 2561
a15ebd37 2562 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2563 if (dev_state == QLCNIC_DEV_QUISCENT ||
2564 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2565 qlcnic_api_unlock(adapter);
2566 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2567 FW_POLL_DELAY * 2);
2568 return;
2569 }
2570
79788450 2571 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2572 qlcnic_api_unlock(adapter);
2573 goto wait_npar;
9f26f547
AC		 2574 }
2575
16e3cf73
SV		 2576 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2577 dev_state == QLCNIC_DEV_READY) {
2578 dev_info(&adapter->pdev->dev, "Detected state change from "
2579 "DEV_NEED_RESET, skipping ack check\n");
2580 goto skip_ack_check;
2581 }
2582
f73dfc50 2583 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2584 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2585 adapter->reset_ack_timeo);
2586 goto skip_ack_check;
2587 }
2588
2589 if (!qlcnic_check_drv_state(adapter)) {
2590skip_ack_check:
a15ebd37 2591 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2592
f73dfc50 2593 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2594 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2595 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2596 set_bit(__QLCNIC_START_FW, &adapter->state);
2597 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2598 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2599 val = QLC_SHARED_REG_RD32(adapter,
2600 QLCNIC_CRB_DRV_STATE);
7b749ff4 2601 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2602 QLC_SHARED_REG_WR32(adapter,
2603 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2604 }
2605
f73dfc50
AKS		 2606 qlcnic_api_unlock(adapter);
2607
287e38aa 2608 rtnl_lock();
7b749ff4
SV		 2609 if (adapter->ahw->fw_dump.enable &&
2610 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2611 QLCDB(adapter, DRV, "Take FW dump\n");
2612 qlcnic_dump_fw(adapter);
032a13c7 2613 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2614 }
287e38aa 2615 rtnl_unlock();
7b749ff4
SV		 2616
2617 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2618 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2619 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2620 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2621 return;
2622 }
af19b491
AKS		 2623 goto err_ret;
2624 }
2625
f73dfc50 2626 qlcnic_api_unlock(adapter);
aa5e18c0 2627
9f26f547 2628wait_npar:
a15ebd37 2629 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2630 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2631
af19b491 2632 switch (dev_state) {
3c4b23b1 2633 case QLCNIC_DEV_READY:
7e2cf4fe 2634 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2635 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2636 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2637 return;
2638 }
3c4b23b1
AKS		 2639 case QLCNIC_DEV_FAILED:
2640 break;
2641 default:
2642 qlcnic_schedule_work(adapter,
2643 qlcnic_fwinit_work, FW_POLL_DELAY);
2644 return;
af19b491
AKS		 2645 }
2646
2647err_ret:
f73dfc50
AKS		 2648 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2649 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2650 netif_device_attach(adapter->netdev);
21854f02 2651 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2652}
2653
2654static void
2655qlcnic_detach_work(struct work_struct *work)
2656{
2657 struct qlcnic_adapter *adapter = container_of(work,
2658 struct qlcnic_adapter, fw_work.work);
2659 struct net_device *netdev = adapter->netdev;
2660 u32 status;
2661
2662 netif_device_detach(netdev);
2663
b8c17620
AKS		 2664 /* Dont grab rtnl lock during Quiscent mode */
2665 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2666 if (netif_running(netdev))
2667 __qlcnic_down(adapter, netdev);
2668 } else
2669 qlcnic_down(adapter, netdev);
af19b491 2670
a15ebd37 2671 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2672
44f65b29
SC		 2673 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2674 dev_err(&adapter->pdev->dev,
2675 "Detaching the device: peg halt status1=0x%x\n",
2676 status);
2677
2678 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2679 dev_err(&adapter->pdev->dev,
2680 "On board active cooling fan failed. "
2681 "Device has been halted.\n");
2682 dev_err(&adapter->pdev->dev,
2683 "Replace the adapter.\n");
2684 }
2685
af19b491 2686 goto err_ret;
44f65b29 2687 }
af19b491 2688
79788450 2689 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2690 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2691 adapter->ahw->temp);
af19b491 2692 goto err_ret;
44f65b29
SC		 2693 }
2694
602ca6f0
SV		 2695 /* Dont ack if this instance is the reset owner */
2696 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2697 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2698 dev_err(&adapter->pdev->dev,
2699 "Failed to set driver state,"
2700 "detaching the device.\n");
602ca6f0 2701 goto err_ret;
44f65b29 2702 }
602ca6f0 2703 }
af19b491
AKS		 2704
2705 adapter->fw_wait_cnt = 0;
2706
2707 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2708
2709 return;
2710
2711err_ret:
34ce3626 2712 netif_device_attach(netdev);
21854f02 2713 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2714}
2715
3c4b23b1
AKS		 2716/*Transit NPAR state to NON Operational */
2717static void
2718qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2719{
2720 u32 state;
2721
a15ebd37 2722 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2723 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2724 return;
2725
2726 if (qlcnic_api_lock(adapter))
2727 return;
a15ebd37
HM		 2728 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2729 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2730 qlcnic_api_unlock(adapter);
2731}
2732
7e2cf4fe 2733void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2734{
646779f1
SV		 2735 u32 state, xg_val = 0, gb_val = 0;
2736
2737 qlcnic_xg_set_xg0_mask(xg_val);
2738 qlcnic_xg_set_xg1_mask(xg_val);
2739 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2740 qlcnic_gb_set_gb0_mask(gb_val);
2741 qlcnic_gb_set_gb1_mask(gb_val);
2742 qlcnic_gb_set_gb2_mask(gb_val);
2743 qlcnic_gb_set_gb3_mask(gb_val);
2744 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2745 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2746 " on all ports\n");
cea8975e 2747 adapter->need_fw_reset = 1;
13159183 2748
af19b491
AKS		 2749 if (qlcnic_api_lock(adapter))
2750 return;
2751
13159183 2752 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2753
f73dfc50 2754 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2755 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2756 QLCNIC_DEV_NEED_RESET);
602ca6f0 2757 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2758 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2759 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2760 }
2761
13159183
SC		 2762 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2763 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2764 qlcnic_api_unlock(adapter);
2765}
2766
9f26f547
AC		 2767/* Transit to NPAR READY state from NPAR NOT READY state */
2768static void
2769qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2770{
9f26f547
AC		 2771 if (qlcnic_api_lock(adapter))
2772 return;
2773
a15ebd37
HM		 2774 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2775 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2776 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2777
2778 qlcnic_api_unlock(adapter);
2779}
2780
13159183
SC		 2781void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2782 work_func_t func, int delay)
af19b491 2783{
451724c8
SC		 2784 if (test_bit(__QLCNIC_AER, &adapter->state))
2785 return;
2786
af19b491 2787 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2788 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2789 round_jiffies_relative(delay));
af19b491
AKS		 2790}
2791
2792static void
2793qlcnic_attach_work(struct work_struct *work)
2794{
2795 struct qlcnic_adapter *adapter = container_of(work,
2796 struct qlcnic_adapter, fw_work.work);
2797 struct net_device *netdev = adapter->netdev;
b18971d1 2798 u32 npar_state;
af19b491 2799
79788450 2800 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2801 npar_state = QLC_SHARED_REG_RD32(adapter,
2802 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2803 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2804 qlcnic_clr_all_drv_state(adapter, 0);
2805 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2806 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2807 FW_POLL_DELAY);
2808 else
2809 goto attach;
2810 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2811 return;
2812 }
2813attach:
af19b491 2814 if (netif_running(netdev)) {
52486a3a 2815 if (qlcnic_up(adapter, netdev))
af19b491 2816 goto done;
af19b491 2817
aec1e845 2818 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2819 }
2820
af19b491 2821done:
34ce3626 2822 netif_device_attach(netdev);
af19b491 2823 adapter->fw_fail_cnt = 0;
032a13c7 2824 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2825 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2826
2827 if (!qlcnic_clr_drv_state(adapter))
2828 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2829 FW_POLL_DELAY);
af19b491
AKS		 2830}
2831
2832static int
2833qlcnic_check_health(struct qlcnic_adapter *adapter)
2834{
4e70812b 2835 u32 state = 0, heartbeat;
853d4bca 2836 u32 peg_status;
af19b491
AKS		 2837
2838 if (qlcnic_check_temp(adapter))
2839 goto detach;
2840
2372a5f1 2841 if (adapter->need_fw_reset)
7e2cf4fe 2842 qlcnic_dev_request_reset(adapter, 0);
af19b491 2843
a15ebd37 2844 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2845 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2846 qlcnic_set_npar_non_operational(adapter);
af19b491 2847 adapter->need_fw_reset = 1;
b8c17620
AKS		 2848 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2849 goto detach;
af19b491 2850
a15ebd37 2851 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2852 if (heartbeat != adapter->heartbeat) {
2853 adapter->heartbeat = heartbeat;
af19b491
AKS		 2854 adapter->fw_fail_cnt = 0;
2855 if (adapter->need_fw_reset)
2856 goto detach;
68bf1c68 2857
099f7aa7 2858 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2859 qlcnic_reset_hw_context(adapter);
2860 adapter->netdev->trans_start = jiffies;
2861 }
2862
af19b491
AKS		 2863 return 0;
2864 }
2865
2866 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2867 return 0;
2868
032a13c7
SV		 2869 adapter->flags |= QLCNIC_FW_HANG;
2870
7e2cf4fe 2871 qlcnic_dev_request_reset(adapter, 0);
af19b491 2872
099f7aa7 2873 if (qlcnic_auto_fw_reset)
0df170b6 2874 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2875
853d4bca 2876 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2877 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2878 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2879 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2880 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2881 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2882 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2883 peg_status,
2884 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2885 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2886 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2887 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2888 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2889 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2890 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2891 dev_err(&adapter->pdev->dev,
2892 "Firmware aborted with error code 0x00006700. "
2893 "Device is being reset.\n");
af19b491
AKS		 2894detach:
2895 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2896 QLCNIC_DEV_NEED_RESET;
2897
099f7aa7
SC		 2898 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2899 &adapter->state)) {
65b5b420 2900
af19b491 2901 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2902 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2903 }
af19b491
AKS		 2904
2905 return 1;
2906}
2907
2908static void
2909qlcnic_fw_poll_work(struct work_struct *work)
2910{
2911 struct qlcnic_adapter *adapter = container_of(work,
2912 struct qlcnic_adapter, fw_work.work);
2913
2914 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2915 goto reschedule;
2916
2917
2918 if (qlcnic_check_health(adapter))
2919 return;
2920
b5e5492c
AKS		 2921 if (adapter->fhash.fnum)
2922 qlcnic_prune_lb_filters(adapter);
2923
af19b491
AKS		 2924reschedule:
2925 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2926}
2927
451724c8
SC		 2928static int qlcnic_is_first_func(struct pci_dev *pdev)
2929{
2930 struct pci_dev *oth_pdev;
2931 int val = pdev->devfn;
2932
2933 while (val-- > 0) {
2934 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2935 (pdev->bus), pdev->bus->number,
2936 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 2937 if (!oth_pdev)
2938 continue;
451724c8 2939
bfc978fa
AKS		 2940 if (oth_pdev->current_state != PCI_D3cold) {
2941 pci_dev_put(oth_pdev);
451724c8 2942 return 0;
bfc978fa
AKS		 2943 }
2944 pci_dev_put(oth_pdev);
451724c8
SC		 2945 }
2946 return 1;
2947}
2948
2949static int qlcnic_attach_func(struct pci_dev *pdev)
2950{
2951 int err, first_func;
2952 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2953 struct net_device *netdev = adapter->netdev;
2954
2955 pdev->error_state = pci_channel_io_normal;
2956
2957 err = pci_enable_device(pdev);
2958 if (err)
2959 return err;
2960
2961 pci_set_power_state(pdev, PCI_D0);
2962 pci_set_master(pdev);
2963 pci_restore_state(pdev);
2964
2965 first_func = qlcnic_is_first_func(pdev);
2966
2967 if (qlcnic_api_lock(adapter))
2968 return -EINVAL;
2969
79788450 2970 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 2971 adapter->need_fw_reset = 1;
2972 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 2973 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2974 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 2975 QLCDB(adapter, DRV, "Restarting fw\n");
2976 }
2977 qlcnic_api_unlock(adapter);
2978
13159183 2979 err = qlcnic_start_firmware(adapter);
451724c8
SC		 2980 if (err)
2981 return err;
2982
2983 qlcnic_clr_drv_state(adapter);
13159183
SC		 2984 kfree(adapter->msix_entries);
2985 adapter->msix_entries = NULL;
2986 err = qlcnic_setup_intr(adapter, 0);
2987
9a97e705
M		 2988 if (err) {
2989 kfree(adapter->msix_entries);
2990 netdev_err(netdev, "failed to setup interrupt\n");
2991 return err;
2992 }
2993
13159183
SC		 2994 if (qlcnic_83xx_check(adapter)) {
2995 err = qlcnic_83xx_setup_mbx_intr(adapter);
2996 if (err) {
2997 dev_err(&adapter->pdev->dev,
2998 "failed to setup mbx interrupt\n");
2999 qlcnic_clr_all_drv_state(adapter, 1);
3000 clear_bit(__QLCNIC_AER, &adapter->state);
3001 goto done;
3002 }
3003 }
451724c8
SC		 3004
3005 if (netif_running(netdev)) {
3006 err = qlcnic_attach(adapter);
3007 if (err) {
21854f02 3008 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3009 clear_bit(__QLCNIC_AER, &adapter->state);
3010 netif_device_attach(netdev);
3011 return err;
3012 }
3013
3014 err = qlcnic_up(adapter, netdev);
3015 if (err)
3016 goto done;
3017
aec1e845 3018 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3019 }
3020 done:
3021 netif_device_attach(netdev);
3022 return err;
3023}
3024
3025static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3026 pci_channel_state_t state)
3027{
3028 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3029 struct net_device *netdev = adapter->netdev;
3030
3031 if (state == pci_channel_io_perm_failure)
3032 return PCI_ERS_RESULT_DISCONNECT;
3033
3034 if (state == pci_channel_io_normal)
3035 return PCI_ERS_RESULT_RECOVERED;
3036
3037 set_bit(__QLCNIC_AER, &adapter->state);
3038 netif_device_detach(netdev);
3039
3040 cancel_delayed_work_sync(&adapter->fw_work);
3041
3042 if (netif_running(netdev))
3043 qlcnic_down(adapter, netdev);
3044
13159183
SC		 3045 if (qlcnic_83xx_check(adapter)) {
3046 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3047 qlcnic_83xx_config_intrpt(adapter, 0);
3048 qlcnic_83xx_free_mbx_intr(adapter);
3049 }
3050
451724c8
SC		 3051 qlcnic_detach(adapter);
3052 qlcnic_teardown_intr(adapter);
3053
3054 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3055
3056 pci_save_state(pdev);
3057 pci_disable_device(pdev);
3058
3059 return PCI_ERS_RESULT_NEED_RESET;
3060}
3061
3062static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3063{
3064 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3065 PCI_ERS_RESULT_RECOVERED;
3066}
3067
3068static void qlcnic_io_resume(struct pci_dev *pdev)
3069{
a15ebd37 3070 u32 state;
451724c8
SC		 3071 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3072
3073 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3074 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3075 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3076 &adapter->state))
451724c8
SC		 3077 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3078 FW_POLL_DELAY);
3079}
3080
87eb743b
AC		 3081static int
3082qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3083{
3084 int err;
3085
3086 err = qlcnic_can_start_firmware(adapter);
3087 if (err)
3088 return err;
3089
78f84e1a
AKS		 3090 err = qlcnic_check_npar_opertional(adapter);
3091 if (err)
3092 return err;
3c4b23b1 3093
174240a8
RB		 3094 err = qlcnic_initialize_nic(adapter);
3095 if (err)
3096 return err;
3097
87eb743b
AC		 3098 qlcnic_check_options(adapter);
3099
7373373d
RB		 3100 err = qlcnic_set_eswitch_port_config(adapter);
3101 if (err)
3102 return err;
3103
87eb743b
AC		 3104 adapter->need_fw_reset = 0;
3105
3106 return err;
3107}
3108
319ecf12 3109int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3110{
319ecf12
SC		 3111 u32 max_allowed;
3112
3113 if (max_hw > QLC_MAX_SDS_RINGS) {
3114 max_hw = QLC_MAX_SDS_RINGS;
3115 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3116 }
3117
319ecf12
SC		 3118 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3119 num_online_cpus()));
3120 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3121 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3122 max_allowed);
f94bc1e7
SC		 3123 return -EINVAL;
3124 }
3125 return 0;
f94bc1e7
SC		 3126}
3127
319ecf12 3128int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3129{
13159183 3130 int err;
f94bc1e7 3131 struct net_device *netdev = adapter->netdev;
f94bc1e7 3132
319ecf12
SC		 3133 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3134 return -EBUSY;
3135
f94bc1e7
SC		 3136 netif_device_detach(netdev);
3137 if (netif_running(netdev))
3138 __qlcnic_down(adapter, netdev);
13159183 3139
319ecf12 3140 if (qlcnic_82xx_check(adapter)) {
13159183
SC		 3141 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3142 qlcnic_83xx_config_intrpt(adapter, 0);
3143 qlcnic_83xx_free_mbx_intr(adapter);
3144 }
3145
f94bc1e7
SC		 3146 qlcnic_detach(adapter);
3147 qlcnic_teardown_intr(adapter);
319ecf12 3148 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3149 if (err) {
3150 kfree(adapter->msix_entries);
3151 netdev_err(netdev, "failed to setup interrupt\n");
3152 return err;
3153 }
f94bc1e7 3154
13159183
SC		 3155 if (qlcnic_83xx_check(adapter)) {
3156 err = qlcnic_83xx_setup_mbx_intr(adapter);
3157 if (err) {
3158 dev_err(&adapter->pdev->dev,
3159 "failed to setup mbx interrupt\n");
3160 goto done;
3161 }
f94bc1e7
SC		 3162 }
3163
3164 if (netif_running(netdev)) {
3165 err = qlcnic_attach(adapter);
3166 if (err)
3167 goto done;
3168 err = __qlcnic_up(adapter, netdev);
3169 if (err)
3170 goto done;
3171 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3172 }
319ecf12 3173 err = len;
f94bc1e7
SC		 3174 done:
3175 netif_device_attach(netdev);
3176 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3177 return err;
3178}
3179
af19b491
AKS		 3180#ifdef CONFIG_INET
3181
3182#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3183
af19b491 3184static void
aec1e845
AKS		 3185qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3186 struct net_device *dev, unsigned long event)
af19b491
AKS		 3187{
3188 struct in_device *indev;
af19b491 3189
af19b491
AKS		 3190 indev = in_dev_get(dev);
3191 if (!indev)
3192 return;
3193
3194 for_ifa(indev) {
3195 switch (event) {
3196 case NETDEV_UP:
3197 qlcnic_config_ipaddr(adapter,
3198 ifa->ifa_address, QLCNIC_IP_UP);
3199 break;
3200 case NETDEV_DOWN:
3201 qlcnic_config_ipaddr(adapter,
3202 ifa->ifa_address, QLCNIC_IP_DOWN);
3203 break;
3204 default:
3205 break;
3206 }
3207 } endfor_ifa(indev);
3208
3209 in_dev_put(indev);
af19b491
AKS		 3210}
3211
319ecf12 3212void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3213{
3214 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3215 struct net_device *dev;
3216 u16 vid;
3217
3218 qlcnic_config_indev_addr(adapter, netdev, event);
3219
43c00a75 3220 rcu_read_lock();
b9796a14 3221 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3222 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3223 if (!dev)
3224 continue;
aec1e845
AKS		 3225 qlcnic_config_indev_addr(adapter, dev, event);
3226 }
43c00a75 3227 rcu_read_unlock();
aec1e845
AKS		 3228}
3229
af19b491
AKS		 3230static int qlcnic_netdev_event(struct notifier_block *this,
3231 unsigned long event, void *ptr)
3232{
3233 struct qlcnic_adapter *adapter;
3234 struct net_device *dev = (struct net_device *)ptr;
3235
3236recheck:
3237 if (dev == NULL)
3238 goto done;
3239
3240 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3241 dev = vlan_dev_real_dev(dev);
3242 goto recheck;
3243 }
3244
3245 if (!is_qlcnic_netdev(dev))
3246 goto done;
3247
3248 adapter = netdev_priv(dev);
3249
3250 if (!adapter)
3251 goto done;
3252
8a15ad1f 3253 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3254 goto done;
3255
aec1e845 3256 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3257done:
3258 return NOTIFY_DONE;
3259}
3260
3261static int
3262qlcnic_inetaddr_event(struct notifier_block *this,
3263 unsigned long event, void *ptr)
3264{
3265 struct qlcnic_adapter *adapter;
3266 struct net_device *dev;
3267
3268 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3269
3270 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3271
3272recheck:
aec1e845 3273 if (dev == NULL)
af19b491
AKS		 3274 goto done;
3275
3276 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3277 dev = vlan_dev_real_dev(dev);
3278 goto recheck;
3279 }
3280
3281 if (!is_qlcnic_netdev(dev))
3282 goto done;
3283
3284 adapter = netdev_priv(dev);
3285
251a84c9 3286 if (!adapter)
af19b491
AKS		 3287 goto done;
3288
8a15ad1f 3289 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3290 goto done;
3291
3292 switch (event) {
3293 case NETDEV_UP:
3294 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3295
af19b491
AKS		 3296 break;
3297 case NETDEV_DOWN:
3298 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3299
af19b491
AKS		 3300 break;
3301 default:
3302 break;
3303 }
3304
3305done:
3306 return NOTIFY_DONE;
3307}
3308
3309static struct notifier_block qlcnic_netdev_cb = {
3310 .notifier_call = qlcnic_netdev_event,
3311};
3312
3313static struct notifier_block qlcnic_inetaddr_cb = {
3314 .notifier_call = qlcnic_inetaddr_event,
3315};
3316#else
f8ca2b6f 3317void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3318{ }
3319#endif
63507592 3320static struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3321 .error_detected = qlcnic_io_error_detected,
3322 .slot_reset = qlcnic_io_slot_reset,
3323 .resume = qlcnic_io_resume,
3324};
af19b491
AKS		 3325
3326static struct pci_driver qlcnic_driver = {
3327 .name = qlcnic_driver_name,
3328 .id_table = qlcnic_pci_tbl,
3329 .probe = qlcnic_probe,
6bb58bb0 3330 .remove = qlcnic_remove,
af19b491
AKS		 3331#ifdef CONFIG_PM
3332 .suspend = qlcnic_suspend,
3333 .resume = qlcnic_resume,
3334#endif
451724c8
SC		 3335 .shutdown = qlcnic_shutdown,
3336 .err_handler = &qlcnic_err_handler
3337
af19b491
AKS		 3338};
3339
3340static int __init qlcnic_init_module(void)
3341{
0cf3a14c 3342 int ret;
af19b491
AKS		 3343
3344 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3345
3346#ifdef CONFIG_INET
3347 register_netdevice_notifier(&qlcnic_netdev_cb);
3348 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3349#endif
3350
0cf3a14c
AKS		 3351 ret = pci_register_driver(&qlcnic_driver);
3352 if (ret) {
3353#ifdef CONFIG_INET
3354 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3355 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3356#endif
3357 }
af19b491 3358
0cf3a14c 3359 return ret;
af19b491
AKS		 3360}
3361
3362module_init(qlcnic_init_module);
3363
3364static void __exit qlcnic_exit_module(void)
3365{
af19b491
AKS		 3366 pci_unregister_driver(&qlcnic_driver);
3367
3368#ifdef CONFIG_INET
3369 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3370 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3371#endif
3372}
3373
3374module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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