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qlcnic: change mdelay to msleep
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 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);
fe1adc6b
JK		 35MODULE_PARM_DESC(qlcnic_mac_learn,
36 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 37
629263ac 38int qlcnic_use_msi = 1;
af19b491 39MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
099f7aa7 40module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 41
629263ac 42int qlcnic_use_msi_x = 1;
af19b491 43MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
099f7aa7 44module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 45
629263ac 46int qlcnic_auto_fw_reset = 1;
af19b491 47MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
099f7aa7 48module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 49
629263ac 50int qlcnic_load_fw_file;
4d5bdb38 51MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 52module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 53
629263ac 54int qlcnic_config_npars;
b11a25aa 55module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 56MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
57
1dd06ae8 58static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 59static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 60static int qlcnic_open(struct net_device *netdev);
61static int qlcnic_close(struct net_device *netdev);
af19b491 62static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 63static void qlcnic_attach_work(struct work_struct *work);
64static void qlcnic_fwinit_work(struct work_struct *work);
65static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 66#ifdef CONFIG_NET_POLL_CONTROLLER
67static void qlcnic_poll_controller(struct net_device *netdev);
68#endif
69
6df900e9 70static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 71static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 72static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
73
7eb9855d 74static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 75static irqreturn_t qlcnic_intr(int irq, void *data);
76static irqreturn_t qlcnic_msi_intr(int irq, void *data);
77static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 78static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 79
80static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 81static int qlcnic_start_firmware(struct qlcnic_adapter *);
82
b5e5492c 83static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 84static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 85static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 86static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
87 struct qlcnic_esw_func_cfg *);
8e586137
JP		 88static int qlcnic_vlan_rx_add(struct net_device *, u16);
89static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 90
bff57d8e
SC		 91#define QLCNIC_IS_TSO_CAPABLE(adapter) \
92 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
93
13159183
SC		 94static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
95{
96 struct qlcnic_hardware_context *ahw = adapter->ahw;
97
98 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
99 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
100 else
101 return 1;
102}
103
af19b491
AKS		 104/* PCI Device ID Table */
105#define ENTRY(device) \
106 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
107 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
108
6a902881 109static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
af19b491
AKS		 112 {0,}
113};
114
115MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
116
117
5ad6ff9d 118inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 119{
120 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 121}
122
123static const u32 msi_tgt_status[8] = {
124 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
125 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
126 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
127 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
128};
129
7e2cf4fe
SC		 130static const u32 qlcnic_reg_tbl[] = {
131 0x1B20A8, /* PEG_HALT_STAT1 */
132 0x1B20AC, /* PEG_HALT_STAT2 */
133 0x1B20B0, /* FW_HEARTBEAT */
134 0x1B2100, /* LOCK ID */
135 0x1B2128, /* FW_CAPABILITIES */
136 0x1B2138, /* drv active */
137 0x1B2140, /* dev state */
138 0x1B2144, /* drv state */
139 0x1B2148, /* drv scratch */
140 0x1B214C, /* dev partition info */
141 0x1B2174, /* drv idc ver */
142 0x1B2150, /* fw version major */
143 0x1B2154, /* fw version minor */
144 0x1B2158, /* fw version sub */
145 0x1B219C, /* npar state */
146 0x1B21FC, /* FW_IMG_VALID */
147 0x1B2250, /* CMD_PEG_STATE */
148 0x1B233C, /* RCV_PEG_STATE */
149 0x1B23B4, /* ASIC TEMP */
150 0x1B216C, /* FW api */
151 0x1B2170, /* drv op mode */
152 0x13C010, /* flash lock */
153 0x13C014, /* flash unlock */
154};
155
22999798
SC		 156static const struct qlcnic_board_info qlcnic_boards[] = {
157 {0x1077, 0x8020, 0x1077, 0x203,
158 "8200 Series Single Port 10GbE Converged Network Adapter"
159 "(TCP/IP Networking)"},
160 {0x1077, 0x8020, 0x1077, 0x207,
161 "8200 Series Dual Port 10GbE Converged Network Adapter"
162 "(TCP/IP Networking)"},
163 {0x1077, 0x8020, 0x1077, 0x20b,
164 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
165 {0x1077, 0x8020, 0x1077, 0x20c,
166 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
167 {0x1077, 0x8020, 0x1077, 0x20f,
168 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
169 {0x1077, 0x8020, 0x103c, 0x3733,
170 "NC523SFP 10Gb 2-port Server Adapter"},
171 {0x1077, 0x8020, 0x103c, 0x3346,
172 "CN1000Q Dual Port Converged Network Adapter"},
173 {0x1077, 0x8020, 0x1077, 0x210,
174 "QME8242-k 10GbE Dual Port Mezzanine Card"},
175 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
176};
177
178#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 179#define QLC_MAX_SDS_RINGS 8
22999798 180
af19b491
AKS		 181static const
182struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
183
c70001a9 184int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 185{
186 int size = sizeof(struct qlcnic_host_sds_ring) * count;
187
188 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
189
807540ba 190 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 191}
192
c70001a9 193void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 194{
195 if (recv_ctx->sds_rings != NULL)
196 kfree(recv_ctx->sds_rings);
197
198 recv_ctx->sds_rings = NULL;
199}
200
af19b491
AKS		 201static int
202qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
203{
2e9d722d 204 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 205 struct net_device *netdev = adapter->netdev;
206 struct pci_dev *pdev = adapter->pdev;
207
da48e6c3 208 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 209 return -EIO;
210
2e9d722d 211 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 212 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
213
214 /* set station address */
215
aaeb6cdf 216 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 217 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
218 netdev->dev_addr);
219
220 return 0;
221}
222
223static int qlcnic_set_mac(struct net_device *netdev, void *p)
224{
225 struct qlcnic_adapter *adapter = netdev_priv(netdev);
226 struct sockaddr *addr = p;
227
7373373d
RB		 228 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
229 return -EOPNOTSUPP;
230
af19b491 231 if (!is_valid_ether_addr(addr->sa_data))
13159183 232 return -EINVAL;
af19b491 233
8a15ad1f 234 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 235 netif_device_detach(netdev);
236 qlcnic_napi_disable(adapter);
237 }
238
239 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
240 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
241 qlcnic_set_multi(adapter->netdev);
242
8a15ad1f 243 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 244 netif_device_attach(netdev);
245 qlcnic_napi_enable(adapter);
246 }
247 return 0;
248}
249
1690be63
VY		 250static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
251 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 252{
253 struct qlcnic_adapter *adapter = netdev_priv(netdev);
254 int err = -EOPNOTSUPP;
255
3e5c112f
VY		 256 if (!adapter->fdb_mac_learn)
257 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 258
259 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
260 if (is_unicast_ether_addr(addr))
261 err = qlcnic_nic_del_mac(adapter, addr);
262 else if (is_multicast_ether_addr(addr))
263 err = dev_mc_del(netdev, addr);
264 else
265 err = -EINVAL;
266 }
267 return err;
268}
269
270static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
271 struct net_device *netdev,
272 const unsigned char *addr, u16 flags)
273{
274 struct qlcnic_adapter *adapter = netdev_priv(netdev);
275 int err = 0;
276
3e5c112f
VY		 277 if (!adapter->fdb_mac_learn)
278 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 279
280 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
281 pr_info("%s: FDB e-switch is not enabled\n", __func__);
282 return -EOPNOTSUPP;
283 }
284
285 if (ether_addr_equal(addr, adapter->mac_addr))
286 return err;
287
288 if (is_unicast_ether_addr(addr))
289 err = qlcnic_nic_add_mac(adapter, addr);
290 else if (is_multicast_ether_addr(addr))
291 err = dev_mc_add_excl(netdev, addr);
292 else
293 err = -EINVAL;
294
295 return err;
296}
297
298static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
299 struct net_device *netdev, int idx)
300{
301 struct qlcnic_adapter *adapter = netdev_priv(netdev);
302
3e5c112f
VY		 303 if (!adapter->fdb_mac_learn)
304 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 305
306 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
307 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
308
309 return idx;
310}
311
7e2cf4fe
SC		 312static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
313{
314 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
315 usleep_range(10000, 11000);
316
317 cancel_delayed_work_sync(&adapter->fw_work);
318}
319
af19b491
AKS		 320static const struct net_device_ops qlcnic_netdev_ops = {
321 .ndo_open = qlcnic_open,
322 .ndo_stop = qlcnic_close,
323 .ndo_start_xmit = qlcnic_xmit_frame,
324 .ndo_get_stats = qlcnic_get_stats,
325 .ndo_validate_addr = eth_validate_addr,
afc4b13d 326 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 327 .ndo_set_mac_address = qlcnic_set_mac,
328 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 329 .ndo_fix_features = qlcnic_fix_features,
330 .ndo_set_features = qlcnic_set_features,
af19b491 331 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 332 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
333 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 334 .ndo_fdb_add = qlcnic_fdb_add,
335 .ndo_fdb_del = qlcnic_fdb_del,
336 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 337#ifdef CONFIG_NET_POLL_CONTROLLER
338 .ndo_poll_controller = qlcnic_poll_controller,
339#endif
340};
341
b43e5ee7
SC		 342static const struct net_device_ops qlcnic_netdev_failed_ops = {
343 .ndo_open = qlcnic_open,
344};
345
2e9d722d 346static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 347 .config_bridged_mode = qlcnic_config_bridged_mode,
348 .config_led = qlcnic_82xx_config_led,
349 .start_firmware = qlcnic_82xx_start_firmware,
350 .request_reset = qlcnic_82xx_dev_request_reset,
351 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
352 .napi_add = qlcnic_82xx_napi_add,
4be41e92 353 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 354 .config_ipaddr = qlcnic_82xx_config_ipaddr,
355 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
356};
357
358struct qlcnic_nic_template qlcnic_vf_ops = {
359 .config_bridged_mode = qlcnicvf_config_bridged_mode,
360 .config_led = qlcnicvf_config_led,
361 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 362};
363
7e2cf4fe
SC		 364static struct qlcnic_hardware_ops qlcnic_hw_ops = {
365 .read_crb = qlcnic_82xx_read_crb,
366 .write_crb = qlcnic_82xx_write_crb,
367 .read_reg = qlcnic_82xx_hw_read_wx_2M,
368 .write_reg = qlcnic_82xx_hw_write_wx_2M,
369 .get_mac_address = qlcnic_82xx_get_mac_address,
370 .setup_intr = qlcnic_82xx_setup_intr,
371 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
372 .mbx_cmd = qlcnic_82xx_issue_cmd,
373 .get_func_no = qlcnic_82xx_get_func_no,
374 .api_lock = qlcnic_82xx_api_lock,
375 .api_unlock = qlcnic_82xx_api_unlock,
376 .add_sysfs = qlcnic_82xx_add_sysfs,
377 .remove_sysfs = qlcnic_82xx_remove_sysfs,
378 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
379 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
380 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
381 .setup_link_event = qlcnic_82xx_linkevent_request,
382 .get_nic_info = qlcnic_82xx_get_nic_info,
383 .get_pci_info = qlcnic_82xx_get_pci_info,
384 .set_nic_info = qlcnic_82xx_set_nic_info,
385 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
386 .napi_enable = qlcnic_82xx_napi_enable,
387 .napi_disable = qlcnic_82xx_napi_disable,
388 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
389 .config_rss = qlcnic_82xx_config_rss,
390 .config_hw_lro = qlcnic_82xx_config_hw_lro,
391 .config_loopback = qlcnic_82xx_set_lb_mode,
392 .clear_loopback = qlcnic_82xx_clear_lb_mode,
393 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
394 .change_l2_filter = qlcnic_82xx_change_filter,
395 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 396};
397
7f966452 398int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 399{
af19b491 400 struct pci_dev *pdev = adapter->pdev;
13159183
SC		 401 int err = -1, i;
402 int max_tx_rings;
403
404 if (!adapter->msix_entries) {
405 adapter->msix_entries = kcalloc(num_msix,
406 sizeof(struct msix_entry),
407 GFP_KERNEL);
b2adaca9 408 if (!adapter->msix_entries)
13159183 409 return -ENOMEM;
13159183 410 }
af19b491
AKS		 411
412 adapter->max_sds_rings = 1;
af19b491 413 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 414
79788450 415 if (adapter->ahw->msix_supported) {
f94bc1e7 416 enable_msix:
13159183
SC		 417 for (i = 0; i < num_msix; i++)
418 adapter->msix_entries[i].entry = i;
af19b491
AKS		 419 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
420 if (err == 0) {
421 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 422 if (qlcnic_83xx_check(adapter)) {
423 adapter->ahw->num_msix = num_msix;
424 /* subtract mail box and tx ring vectors */
425 max_tx_rings = adapter->max_drv_tx_rings;
426 adapter->max_sds_rings = num_msix -
427 max_tx_rings - 1;
428 } else {
429 adapter->max_sds_rings = num_msix;
430 }
af19b491 431 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 432 return err;
13159183
SC		 433 } else if (err > 0) {
434 dev_info(&pdev->dev,
435 "Unable to allocate %d MSI-X interrupt vectors\n",
436 num_msix);
437 if (qlcnic_83xx_check(adapter)) {
438 if (err < QLC_83XX_MINIMUM_VECTOR)
439 return err;
440 err -= (adapter->max_drv_tx_rings + 1);
441 num_msix = rounddown_pow_of_two(err);
442 num_msix += (adapter->max_drv_tx_rings + 1);
443 } else {
444 num_msix = rounddown_pow_of_two(err);
445 }
446
447 if (num_msix) {
448 dev_info(&pdev->dev,
dce056cb 449 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 450 num_msix);
f94bc1e7 451 goto enable_msix;
13159183
SC		 452 }
453 } else {
dce056cb
MC		 454 dev_info(&pdev->dev,
455 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 456 num_msix);
f94bc1e7
SC		 457 }
458 }
13159183 459
f94bc1e7
SC		 460 return err;
461}
af19b491 462
9a97e705 463static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 464{
9a97e705 465 int err = 0;
15087c2b 466 u32 offset, mask_reg;
f94bc1e7 467 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 468 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 469 struct pci_dev *pdev = adapter->pdev;
af19b491 470
099f7aa7 471 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 472 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 473 offset = msi_tgt_status[adapter->ahw->pci_func];
474 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
475 offset);
af19b491
AKS		 476 dev_info(&pdev->dev, "using msi interrupts\n");
477 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 478 return err;
af19b491 479 }
9a97e705
M		 480 if (qlcnic_use_msi || qlcnic_use_msi_x)
481 return -EOPNOTSUPP;
af19b491 482
f94bc1e7 483 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 484 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 485 offset = legacy_intrp->tgt_status_reg;
486 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
487 mask_reg = legacy_intrp->tgt_mask_reg;
488 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
489 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
490 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 491 dev_info(&pdev->dev, "using legacy interrupts\n");
492 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 493 return err;
af19b491
AKS		 494}
495
7e2cf4fe 496int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 497{
9a97e705 498 int num_msix, err = 0;
f94bc1e7 499
7e2cf4fe
SC		 500 if (!num_intr)
501 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
502
503 if (adapter->ahw->msix_supported)
5f6ec29a 504 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 505 num_intr));
506 else
f94bc1e7
SC		 507 num_msix = 1;
508
7e2cf4fe
SC		 509 err = qlcnic_enable_msix(adapter, num_msix);
510 if (err == -ENOMEM || !err)
511 return err;
f94bc1e7 512
9a97e705
M		 513 err = qlcnic_enable_msi_legacy(adapter);
514 if (!err)
515 return err;
516
517 return -EIO;
f94bc1e7 518}
13159183 519
319ecf12 520void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 521{
522 if (adapter->flags & QLCNIC_MSIX_ENABLED)
523 pci_disable_msix(adapter->pdev);
524 if (adapter->flags & QLCNIC_MSI_ENABLED)
525 pci_disable_msi(adapter->pdev);
13159183
SC		 526
527 kfree(adapter->msix_entries);
528 adapter->msix_entries = NULL;
529
530 if (adapter->ahw->intr_tbl) {
531 vfree(adapter->ahw->intr_tbl);
532 adapter->ahw->intr_tbl = NULL;
533 }
af19b491
AKS		 534}
535
536static void
537qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
538{
b1fc6d3c
AC		 539 if (adapter->ahw->pci_base0 != NULL)
540 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 541}
542
7e2cf4fe
SC		 543static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
544{
545 struct qlcnic_pci_info *pci_info;
546 int ret;
547
548 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
549 switch (adapter->ahw->port_type) {
550 case QLCNIC_GBE:
551 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
552 break;
553 case QLCNIC_XGBE:
554 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
555 break;
556 }
557 return 0;
558 }
559
560 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
561 return 0;
562
563 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
564 if (!pci_info)
565 return -ENOMEM;
566
567 ret = qlcnic_get_pci_info(adapter, pci_info);
568 kfree(pci_info);
569 return ret;
570}
d71170fb
SC		 571
572int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 573{
e88db3bd 574 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 575 int i, ret = 0, j = 0;
576 u16 act_pci_func;
346fe763
RB		 577 u8 pfn;
578
e88db3bd
DC		 579 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
580 if (!pci_info)
581 return -ENOMEM;
582
bff57d8e
SC		 583 ret = qlcnic_get_pci_info(adapter, pci_info);
584 if (ret)
585 goto err_pci_info;
586
587 act_pci_func = adapter->ahw->act_pci_func;
588
ca315ac2 589 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 590 act_pci_func, GFP_KERNEL);
e88db3bd 591 if (!adapter->npars) {
900853a4 592 ret = -ENOMEM;
e88db3bd
DC		 593 goto err_pci_info;
594 }
346fe763 595
ca315ac2 596 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 597 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
598 if (!adapter->eswitch) {
900853a4 599 ret = -ENOMEM;
ca315ac2 600 goto err_npars;
346fe763
RB		 601 }
602
ca315ac2
DC		 603 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
604 pfn = pci_info[i].id;
bff57d8e 605
0f6efff9 606 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 607 ret = QL_STATUS_INVALID_PARAM;
608 goto err_eswitch;
609 }
bff57d8e
SC		 610
611 if (!pci_info[i].active ||
612 (pci_info[i].type != QLCNIC_TYPE_NIC))
613 continue;
614
615 adapter->npars[j].pci_func = pfn;
616 adapter->npars[j].active = (u8)pci_info[i].active;
617 adapter->npars[j].type = (u8)pci_info[i].type;
618 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
619 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
620 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
621 j++;
346fe763
RB		 622 }
623
13159183 624 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 625 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 626 if (qlcnic_83xx_check(adapter))
627 qlcnic_enable_eswitch(adapter, i, 1);
628 }
ca315ac2 629
e88db3bd 630 kfree(pci_info);
ca315ac2
DC		 631 return 0;
632
633err_eswitch:
346fe763
RB		 634 kfree(adapter->eswitch);
635 adapter->eswitch = NULL;
ca315ac2 636err_npars:
346fe763 637 kfree(adapter->npars);
ca315ac2 638 adapter->npars = NULL;
e88db3bd
DC		 639err_pci_info:
640 kfree(pci_info);
346fe763
RB		 641
642 return ret;
643}
644
2e9d722d
AC		 645static int
646qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
647{
648 u8 id;
2e9d722d
AC		 649 int i, ret = 1;
650 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 651 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 652
2e9d722d
AC		 653 ret = qlcnic_api_lock(adapter);
654 if (ret)
655 goto err_lock;
2e9d722d 656
0e33c664 657 if (qlcnic_config_npars) {
bff57d8e
SC		 658 for (i = 0; i < ahw->act_pci_func; i++) {
659 id = adapter->npars[i].pci_func;
660 if (id == ahw->pci_func)
0e33c664
AC		 661 continue;
662 data |= (qlcnic_config_npars &
663 QLC_DEV_SET_DRV(0xf, id));
664 }
665 } else {
a15ebd37 666 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 667 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 668 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 669 ahw->pci_func));
2e9d722d 670 }
a15ebd37 671 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 672 qlcnic_api_unlock(adapter);
673err_lock:
674 return ret;
675}
676
13159183
SC		 677static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
678 const struct pci_device_id *ent)
2e9d722d 679{
2e9d722d
AC		 680 u32 op_mode, priv_level;
681
682 /* Determine FW API version */
13159183
SC		 683 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
684 QLCNIC_FW_API);
2e9d722d
AC		 685
686 /* Find PCI function number */
13159183 687 qlcnic_get_func_no(adapter);
2e9d722d
AC		 688
689 /* Determine function privilege level */
13159183 690 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 691 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 692 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 693 else
b1fc6d3c 694 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 695
0866d96d 696 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 697 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 698 dev_info(&adapter->pdev->dev,
699 "HAL Version: %d Non Privileged function\n",
79788450 700 adapter->ahw->fw_hal_version);
9f26f547 701 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 702 } else
703 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 704}
705
15087c2b 706#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 707#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 708static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
709{
710 switch (dev_id) {
711 case PCI_DEVICE_ID_QLOGIC_QLE824X:
712 *bar = QLCNIC_82XX_BAR0_LENGTH;
713 break;
13159183
SC		 714 case PCI_DEVICE_ID_QLOGIC_QLE834X:
715 *bar = QLCNIC_83XX_BAR0_LENGTH;
716 break;
15087c2b
SC		 717 default:
718 *bar = 0;
719 }
720}
721
722static int qlcnic_setup_pci_map(struct pci_dev *pdev,
723 struct qlcnic_hardware_context *ahw)
af19b491 724{
15087c2b 725 u32 offset;
af19b491 726 void __iomem *mem_ptr0 = NULL;
15087c2b 727 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 728
af19b491 729 /* remap phys address */
af19b491
AKS		 730 mem_len = pci_resource_len(pdev, 0);
731
15087c2b
SC		 732 qlcnic_get_bar_length(pdev->device, &bar0_len);
733 if (mem_len >= bar0_len) {
af19b491
AKS		 734
735 mem_ptr0 = pci_ioremap_bar(pdev, 0);
736 if (mem_ptr0 == NULL) {
737 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
738 return -EIO;
739 }
740 pci_len0 = mem_len;
741 } else {
742 return -EIO;
743 }
744
745 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 746
15087c2b
SC		 747 ahw->pci_base0 = mem_ptr0;
748 ahw->pci_len0 = pci_len0;
749 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
750 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 751
752 return 0;
753}
754
22999798 755static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 756{
757 struct pci_dev *pdev = adapter->pdev;
758 int i, found = 0;
759
760 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
761 if (qlcnic_boards[i].vendor == pdev->vendor &&
762 qlcnic_boards[i].device == pdev->device &&
763 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
764 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 765 sprintf(name, "%pM: %s" ,
766 adapter->mac_addr,
767 qlcnic_boards[i].short_name);
af19b491
AKS		 768 found = 1;
769 break;
770 }
771
772 }
773
774 if (!found)
7f9a0c34 775 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 776}
777
778static void
779qlcnic_check_options(struct qlcnic_adapter *adapter)
780{
a15ebd37 781 int err;
031a4a26 782 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 783 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 784 struct qlcnic_hardware_context *ahw = adapter->ahw;
785 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 786
787 prev_fw_version = adapter->fw_version;
af19b491 788
a15ebd37
HM		 789 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
790 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
791 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 792
793 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
794
a15ebd37
HM		 795 err = qlcnic_get_board_info(adapter);
796 if (err) {
797 dev_err(&pdev->dev, "Error getting board config info.\n");
798 return;
799 }
800 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 801 if (fw_dump->tmpl_hdr == NULL ||
802 adapter->fw_version > prev_fw_version) {
803 if (fw_dump->tmpl_hdr)
804 vfree(fw_dump->tmpl_hdr);
805 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
806 dev_info(&pdev->dev,
807 "Supports FW dump capability\n");
808 }
809 }
810
13159183
SC		 811 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
812 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
813
b1fc6d3c 814 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 815 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
816 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
817 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
818 } else {
819 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
820 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
821 }
822
af19b491 823 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 824 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
825
b1fc6d3c 826 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 827 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
828 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 829 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
830 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 831 }
832
099f7aa7 833 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 834
835 adapter->num_txd = MAX_CMD_DESCRIPTORS;
836
251b036a 837 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 838}
839
174240a8
RB		 840static int
841qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
842{
843 int err;
844 struct qlcnic_info nic_info;
845
bff57d8e 846 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 847 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 848 if (err)
849 return err;
850
79788450
SC		 851 adapter->ahw->physical_port = (u8)nic_info.phys_port;
852 adapter->ahw->switch_mode = nic_info.switch_mode;
853 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
854 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
855 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 856
857 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
858 u32 temp;
859 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
860 adapter->ahw->capabilities2 = temp;
861 }
79788450
SC		 862 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
863 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 864
13159183
SC		 865 /* Disable NPAR for 83XX */
866 if (qlcnic_83xx_check(adapter))
867 return err;
868
79788450 869 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 870 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
871 else
872 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
873
874 return err;
875}
876
ec079a07
SC		 877void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
878 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 879{
880 if (esw_cfg->discard_tagged)
881 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
882 else
883 adapter->flags |= QLCNIC_TAGGING_ENABLED;
884
885 if (esw_cfg->vlan_id)
886 adapter->pvid = esw_cfg->vlan_id;
887 else
888 adapter->pvid = 0;
889}
890
8e586137 891static int
b9796a14
AC		 892qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
893{
894 struct qlcnic_adapter *adapter = netdev_priv(netdev);
895 set_bit(vid, adapter->vlans);
8e586137 896 return 0;
b9796a14
AC		 897}
898
8e586137 899static int
b9796a14
AC		 900qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
901{
902 struct qlcnic_adapter *adapter = netdev_priv(netdev);
903
904 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
905 clear_bit(vid, adapter->vlans);
8e586137 906 return 0;
b9796a14
AC		 907}
908
ec079a07
SC		 909void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
910 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 911{
ee07c1a7
RB		 912 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
913 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 914
915 if (esw_cfg->mac_anti_spoof)
916 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 917
7373373d
RB		 918 if (!esw_cfg->mac_override)
919 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
920
ee07c1a7
RB		 921 if (!esw_cfg->promisc_mode)
922 adapter->flags |= QLCNIC_PROMISC_DISABLED;
923
0325d69b
RB		 924 qlcnic_set_netdev_features(adapter, esw_cfg);
925}
926
d71170fb 927int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 928{
929 struct qlcnic_esw_func_cfg esw_cfg;
930
931 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
932 return 0;
933
b1fc6d3c 934 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 935 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
936 return -EIO;
8cf61f89 937 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 938 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
939
940 return 0;
941}
942
943static void
944qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
945 struct qlcnic_esw_func_cfg *esw_cfg)
946{
947 struct net_device *netdev = adapter->netdev;
13159183
SC		 948 unsigned long features, vlan_features;
949
950 if (qlcnic_83xx_check(adapter))
951 return;
0325d69b 952
7e38d04b
SC		 953 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
954 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 955 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 956 NETIF_F_IPV6_CSUM);
0325d69b 957
13159183 958 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 959 features |= (NETIF_F_TSO | NETIF_F_TSO6);
960 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
961 }
b56421d0
RB		 962
963 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 964 features |= NETIF_F_LRO;
965
966 if (esw_cfg->offload_flags & BIT_0) {
967 netdev->features |= features;
13159183 968 adapter->rx_csum = 1;
7e38d04b 969 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 970 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 971 features &= ~NETIF_F_TSO;
972 }
973 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 974 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 975 features &= ~NETIF_F_TSO6;
976 }
0325d69b
RB		 977 } else {
978 netdev->features &= ~features;
7e38d04b 979 features &= ~features;
13159183 980 adapter->rx_csum = 0;
0325d69b
RB		 981 }
982
983 netdev->vlan_features = (features & vlan_features);
984}
985
0866d96d
AC		 986static int
987qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
988{
0866d96d
AC		 989 u32 op_mode, priv_level;
990 int err = 0;
991
174240a8
RB		 992 err = qlcnic_initialize_nic(adapter);
993 if (err)
994 return err;
995
0866d96d
AC		 996 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
997 return 0;
998
13159183 999 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1000 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1001
1002 if (op_mode == QLC_DEV_DRV_DEFAULT)
1003 priv_level = QLCNIC_MGMT_FUNC;
1004 else
b1fc6d3c 1005 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1006
174240a8 1007 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1008 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1009 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1010 err = qlcnic_init_pci_info(adapter);
1011 if (err)
1012 return err;
1013 /* Set privilege level for other functions */
1014 qlcnic_set_function_modes(adapter);
1015 dev_info(&adapter->pdev->dev,
1016 "HAL Version: %d, Management function\n",
79788450 1017 adapter->ahw->fw_hal_version);
0866d96d 1018 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1019 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1020 dev_info(&adapter->pdev->dev,
1021 "HAL Version: %d, Privileged function\n",
79788450 1022 adapter->ahw->fw_hal_version);
0866d96d 1023 }
174240a8 1024 }
0866d96d
AC		 1025
1026 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1027
1028 return err;
1029}
1030
d71170fb 1031int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1032{
1033 struct qlcnic_esw_func_cfg esw_cfg;
1034 struct qlcnic_npar_info *npar;
1035 u8 i;
1036
174240a8 1037 if (adapter->need_fw_reset)
0325d69b
RB		 1038 return 0;
1039
bff57d8e 1040 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1041 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1042 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1043 esw_cfg.mac_override = BIT_0;
ee07c1a7 1044 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1045 if (qlcnic_82xx_check(adapter)) {
1046 esw_cfg.offload_flags = BIT_0;
1047 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1048 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1049 }
0325d69b
RB		 1050 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1051 return -EIO;
1052 npar = &adapter->npars[i];
1053 npar->pvid = esw_cfg.vlan_id;
7373373d 1054 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1055 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1056 npar->discard_tagged = esw_cfg.discard_tagged;
1057 npar->promisc_mode = esw_cfg.promisc_mode;
1058 npar->offload_flags = esw_cfg.offload_flags;
1059 }
1060
1061 return 0;
1062}
1063
13159183 1064
4e8acb01
RB		 1065static int
1066qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1067 struct qlcnic_npar_info *npar, int pci_func)
1068{
1069 struct qlcnic_esw_func_cfg esw_cfg;
1070 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1071 esw_cfg.pci_func = pci_func;
1072 esw_cfg.vlan_id = npar->pvid;
7373373d 1073 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1074 esw_cfg.discard_tagged = npar->discard_tagged;
1075 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1076 esw_cfg.offload_flags = npar->offload_flags;
1077 esw_cfg.promisc_mode = npar->promisc_mode;
1078 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1079 return -EIO;
1080
1081 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1082 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1083 return -EIO;
1084
1085 return 0;
1086}
1087
d71170fb 1088int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1089{
4e8acb01 1090 int i, err;
cea8975e
AC		 1091 struct qlcnic_npar_info *npar;
1092 struct qlcnic_info nic_info;
bff57d8e 1093 u8 pci_func;
cea8975e 1094
bff57d8e
SC		 1095 if (qlcnic_82xx_check(adapter))
1096 if (!adapter->need_fw_reset)
1097 return 0;
cea8975e 1098
4e8acb01 1099 /* Set the NPAR config data after FW reset */
bff57d8e 1100 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1101 npar = &adapter->npars[i];
bff57d8e
SC		 1102 pci_func = npar->pci_func;
1103 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1104 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1105 if (err)
1106 return err;
1107 nic_info.min_tx_bw = npar->min_bw;
1108 nic_info.max_tx_bw = npar->max_bw;
1109 err = qlcnic_set_nic_info(adapter, &nic_info);
1110 if (err)
1111 return err;
cea8975e 1112
4e8acb01
RB		 1113 if (npar->enable_pm) {
1114 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1115 npar->dest_npar, 1,
1116 pci_func);
4e8acb01
RB		 1117 if (err)
1118 return err;
cea8975e 1119 }
bff57d8e 1120 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1121 if (err)
1122 return err;
cea8975e 1123 }
4e8acb01 1124 return 0;
cea8975e
AC		 1125}
1126
78f84e1a
AKS		 1127static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1128{
1129 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1130 u32 npar_state;
1131
79788450 1132 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1133 return 0;
1134
a15ebd37
HM		 1135 npar_state = QLC_SHARED_REG_RD32(adapter,
1136 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1137 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1138 msleep(1000);
a15ebd37
HM		 1139 npar_state = QLC_SHARED_REG_RD32(adapter,
1140 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1141 }
1142 if (!npar_opt_timeo) {
1143 dev_err(&adapter->pdev->dev,
8a168ca7 1144 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1145 return -EIO;
1146 }
1147 return 0;
1148}
1149
174240a8
RB		 1150static int
1151qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1152{
1153 int err;
1154
1155 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1156 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1157 return 0;
1158
1159 err = qlcnic_set_default_offload_settings(adapter);
1160 if (err)
1161 return err;
1162
1163 err = qlcnic_reset_npar_config(adapter);
1164 if (err)
1165 return err;
1166
1167 qlcnic_dev_set_npar_ready(adapter);
1168
1169 return err;
1170}
1171
7e2cf4fe 1172int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1173{
d4066833 1174 int err;
af19b491 1175
aa5e18c0
SC		 1176 err = qlcnic_can_start_firmware(adapter);
1177 if (err < 0)
1178 return err;
1179 else if (!err)
d4066833 1180 goto check_fw_status;
af19b491 1181
099f7aa7 1182 if (qlcnic_load_fw_file)
4d5bdb38 1183 qlcnic_request_firmware(adapter);
8f891387 1184 else {
8cfdce08
SC		 1185 err = qlcnic_check_flash_fw_ver(adapter);
1186 if (err)
8f891387 1187 goto err_out;
1188
79788450 1189 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1190 }
af19b491
AKS		 1191
1192 err = qlcnic_need_fw_reset(adapter);
af19b491 1193 if (err == 0)
4e70812b 1194 goto check_fw_status;
af19b491 1195
d4066833
SC		 1196 err = qlcnic_pinit_from_rom(adapter);
1197 if (err)
1198 goto err_out;
af19b491
AKS		 1199
1200 err = qlcnic_load_firmware(adapter);
1201 if (err)
1202 goto err_out;
1203
1204 qlcnic_release_firmware(adapter);
d4066833 1205 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1206
d4066833
SC		 1207check_fw_status:
1208 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1209 if (err)
1210 goto err_out;
1211
a15ebd37 1212 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1213 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1214 err = qlcnic_check_eswitch_mode(adapter);
1215 if (err) {
1216 dev_err(&adapter->pdev->dev,
1217 "Memory allocation failed for eswitch\n");
1218 goto err_out;
1219 }
174240a8
RB		 1220 err = qlcnic_set_mgmt_operations(adapter);
1221 if (err)
1222 goto err_out;
1223
1224 qlcnic_check_options(adapter);
af19b491
AKS		 1225 adapter->need_fw_reset = 0;
1226
a7fc948f
AKS		 1227 qlcnic_release_firmware(adapter);
1228 return 0;
af19b491
AKS		 1229
1230err_out:
a15ebd37 1231 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1232 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1233
af19b491
AKS		 1234 qlcnic_release_firmware(adapter);
1235 return err;
1236}
1237
1238static int
1239qlcnic_request_irq(struct qlcnic_adapter *adapter)
1240{
1241 irq_handler_t handler;
1242 struct qlcnic_host_sds_ring *sds_ring;
13159183 1243 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1244 int err, ring;
1245
1246 unsigned long flags = 0;
1247 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1248 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1249
79788450 1250 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1251 if (qlcnic_82xx_check(adapter))
1252 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1253 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1254 flags |= IRQF_SHARED;
1255
1256 } else {
1257 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1258 handler = qlcnic_msix_intr;
1259 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1260 handler = qlcnic_msi_intr;
1261 else {
1262 flags |= IRQF_SHARED;
ac166700
HM		 1263 if (qlcnic_82xx_check(adapter))
1264 handler = qlcnic_intr;
1265 else
1266 handler = qlcnic_83xx_intr;
7eb9855d 1267 }
af19b491
AKS		 1268 }
1269 adapter->irq = netdev->irq;
1270
13159183 1271 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1272 if (qlcnic_82xx_check(adapter) ||
1273 (qlcnic_83xx_check(adapter) &&
1274 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1275 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1276 sds_ring = &recv_ctx->sds_rings[ring];
1277 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1278 "%s[%d]", netdev->name, ring);
1279 err = request_irq(sds_ring->irq, handler, flags,
1280 sds_ring->name, sds_ring);
1281 if (err)
1282 return err;
1283 }
13159183
SC		 1284 }
1285 if (qlcnic_83xx_check(adapter) &&
1286 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1287 handler = qlcnic_msix_tx_intr;
1288 for (ring = 0; ring < adapter->max_drv_tx_rings;
1289 ring++) {
1290 tx_ring = &adapter->tx_ring[ring];
1291 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1292 "%s[%d]", netdev->name,
ac166700 1293 adapter->max_sds_rings + ring);
13159183
SC		 1294 err = request_irq(tx_ring->irq, handler, flags,
1295 tx_ring->name, tx_ring);
1296 if (err)
1297 return err;
1298 }
1299 }
af19b491 1300 }
af19b491
AKS		 1301 return 0;
1302}
1303
1304static void
1305qlcnic_free_irq(struct qlcnic_adapter *adapter)
1306{
1307 int ring;
1308 struct qlcnic_host_sds_ring *sds_ring;
13159183 1309 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1310
b1fc6d3c 1311 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1312
13159183 1313 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1314 if (qlcnic_82xx_check(adapter) ||
1315 (qlcnic_83xx_check(adapter) &&
1316 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1317 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1318 sds_ring = &recv_ctx->sds_rings[ring];
1319 free_irq(sds_ring->irq, sds_ring);
1320 }
13159183
SC		 1321 }
1322 if (qlcnic_83xx_check(adapter)) {
1323 for (ring = 0; ring < adapter->max_drv_tx_rings;
1324 ring++) {
1325 tx_ring = &adapter->tx_ring[ring];
1326 if (tx_ring->irq)
1327 free_irq(tx_ring->irq, tx_ring);
1328 }
1329 }
af19b491
AKS		 1330 }
1331}
1332
99e85879
SS		 1333static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1334{
1335 u32 capab = 0;
1336
1337 if (qlcnic_82xx_check(adapter)) {
1338 if (adapter->ahw->capabilities2 &
1339 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1340 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1341 } else {
1342 capab = adapter->ahw->capabilities;
1343 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1344 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1345 }
1346}
1347
319ecf12 1348int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1349{
8a15ad1f
AKS		 1350 int ring;
1351 struct qlcnic_host_rds_ring *rds_ring;
1352
af19b491
AKS		 1353 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1354 return -EIO;
1355
8a15ad1f
AKS		 1356 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1357 return 0;
0325d69b
RB		 1358 if (qlcnic_set_eswitch_port_config(adapter))
1359 return -EIO;
99e85879 1360 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1361
8a15ad1f
AKS		 1362 if (qlcnic_fw_create_ctx(adapter))
1363 return -EIO;
1364
1365 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1366 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1367 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1368 }
1369
af19b491
AKS		 1370 qlcnic_set_multi(netdev);
1371 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1372
b1fc6d3c 1373 adapter->ahw->linkup = 0;
af19b491
AKS		 1374
1375 if (adapter->max_sds_rings > 1)
1376 qlcnic_config_rss(adapter, 1);
1377
1378 qlcnic_config_intr_coalesce(adapter);
1379
24763d80 1380 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1381 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1382
1383 qlcnic_napi_enable(adapter);
1384
1385 qlcnic_linkevent_request(adapter, 1);
1386
79788450 1387 adapter->ahw->reset_context = 0;
af19b491
AKS		 1388 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1389 return 0;
1390}
1391
629263ac 1392int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1393{
1394 int err = 0;
1395
1396 rtnl_lock();
1397 if (netif_running(netdev))
1398 err = __qlcnic_up(adapter, netdev);
1399 rtnl_unlock();
1400
1401 return err;
1402}
1403
319ecf12 1404void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1405{
1406 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1407 return;
1408
1409 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1410 return;
1411
1412 smp_mb();
1413 spin_lock(&adapter->tx_clean_lock);
1414 netif_carrier_off(netdev);
1415 netif_tx_disable(netdev);
1416
1417 qlcnic_free_mac_list(adapter);
1418
b5e5492c
AKS		 1419 if (adapter->fhash.fnum)
1420 qlcnic_delete_lb_filters(adapter);
1421
af19b491
AKS		 1422 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1423
1424 qlcnic_napi_disable(adapter);
1425
8a15ad1f 1426 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1427 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1428
1429 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1430 qlcnic_release_tx_buffers(adapter);
1431 spin_unlock(&adapter->tx_clean_lock);
1432}
1433
1434/* Usage: During suspend and firmware recovery module */
1435
629263ac 1436void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1437{
1438 rtnl_lock();
1439 if (netif_running(netdev))
1440 __qlcnic_down(adapter, netdev);
1441 rtnl_unlock();
1442
1443}
1444
319ecf12 1445int
af19b491
AKS		 1446qlcnic_attach(struct qlcnic_adapter *adapter)
1447{
1448 struct net_device *netdev = adapter->netdev;
1449 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1450 int err;
af19b491
AKS		 1451
1452 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1453 return 0;
1454
af19b491
AKS		 1455 err = qlcnic_napi_add(adapter, netdev);
1456 if (err)
1457 return err;
1458
1459 err = qlcnic_alloc_sw_resources(adapter);
1460 if (err) {
1461 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1462 goto err_out_napi_del;
af19b491
AKS		 1463 }
1464
1465 err = qlcnic_alloc_hw_resources(adapter);
1466 if (err) {
1467 dev_err(&pdev->dev, "Error in setting hw resources\n");
1468 goto err_out_free_sw;
1469 }
1470
af19b491
AKS		 1471 err = qlcnic_request_irq(adapter);
1472 if (err) {
1473 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1474 goto err_out_free_hw;
af19b491
AKS		 1475 }
1476
af19b491
AKS		 1477 qlcnic_create_sysfs_entries(adapter);
1478
1479 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1480 return 0;
1481
8a15ad1f 1482err_out_free_hw:
af19b491
AKS		 1483 qlcnic_free_hw_resources(adapter);
1484err_out_free_sw:
1485 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1486err_out_napi_del:
1487 qlcnic_napi_del(adapter);
af19b491
AKS		 1488 return err;
1489}
1490
319ecf12 1491void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1492{
1493 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1494 return;
1495
1496 qlcnic_remove_sysfs_entries(adapter);
1497
1498 qlcnic_free_hw_resources(adapter);
1499 qlcnic_release_rx_buffers(adapter);
1500 qlcnic_free_irq(adapter);
1501 qlcnic_napi_del(adapter);
1502 qlcnic_free_sw_resources(adapter);
1503
1504 adapter->is_up = 0;
1505}
1506
7eb9855d
AKS		 1507void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1508{
1509 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1510 struct qlcnic_host_sds_ring *sds_ring;
1511 int ring;
1512
78ad3892 1513 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1514 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1515 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1516 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1517 qlcnic_disable_int(sds_ring);
cdaff185 1518 }
7eb9855d
AKS		 1519 }
1520
8a15ad1f
AKS		 1521 qlcnic_fw_destroy_ctx(adapter);
1522
7eb9855d
AKS		 1523 qlcnic_detach(adapter);
1524
79788450 1525 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1526 adapter->max_sds_rings = max_sds_rings;
1527
1528 if (qlcnic_attach(adapter))
34ce3626 1529 goto out;
7eb9855d
AKS		 1530
1531 if (netif_running(netdev))
1532 __qlcnic_up(adapter, netdev);
34ce3626 1533out:
7eb9855d
AKS		 1534 netif_device_attach(netdev);
1535}
1536
b1fc6d3c
AC		 1537static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1538{
1539 int err = 0;
b1fc6d3c
AC		 1540 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1541 GFP_KERNEL);
1542 if (!adapter->recv_ctx) {
b1fc6d3c 1543 err = -ENOMEM;
8816d009 1544 goto err_out;
b1fc6d3c 1545 }
8816d009
AC		 1546 /* Initialize interrupt coalesce parameters */
1547 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1548 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1549 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1550 /* clear stats */
1551 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1552err_out:
1553 return err;
1554}
1555
1556static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1557{
1558 kfree(adapter->recv_ctx);
1559 adapter->recv_ctx = NULL;
1560
18f2f616
AC		 1561 if (adapter->ahw->fw_dump.tmpl_hdr) {
1562 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1563 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1564 }
4be41e92 1565
81d0aeb0 1566 kfree(adapter->ahw->reset.buff);
4be41e92 1567 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1568}
1569
7eb9855d
AKS		 1570int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1571{
1572 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1573 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1574 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1575 int ring;
1576 int ret;
1577
1578 netif_device_detach(netdev);
1579
1580 if (netif_running(netdev))
1581 __qlcnic_down(adapter, netdev);
1582
1583 qlcnic_detach(adapter);
1584
1585 adapter->max_sds_rings = 1;
79788450 1586 adapter->ahw->diag_test = test;
4be41e92 1587 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1588
1589 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1590 if (ret) {
1591 netif_device_attach(netdev);
7eb9855d 1592 return ret;
34ce3626 1593 }
7eb9855d 1594
8a15ad1f
AKS		 1595 ret = qlcnic_fw_create_ctx(adapter);
1596 if (ret) {
1597 qlcnic_detach(adapter);
57e46248 1598 netif_device_attach(netdev);
8a15ad1f
AKS		 1599 return ret;
1600 }
1601
1602 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1603 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1604 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1605 }
1606
79788450 1607 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1608 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1609 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1610 qlcnic_enable_int(sds_ring);
cdaff185 1611 }
7eb9855d 1612 }
22c8c934 1613
79788450 1614 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1615 adapter->ahw->loopback_state = 0;
1616 qlcnic_linkevent_request(adapter, 1);
1617 }
1618
78ad3892 1619 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1620
1621 return 0;
1622}
1623
68bf1c68
AKS		 1624/* Reset context in hardware only */
1625static int
1626qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1627{
1628 struct net_device *netdev = adapter->netdev;
1629
1630 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1631 return -EBUSY;
1632
1633 netif_device_detach(netdev);
1634
1635 qlcnic_down(adapter, netdev);
1636
1637 qlcnic_up(adapter, netdev);
1638
1639 netif_device_attach(netdev);
1640
1641 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1642 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1643 return 0;
1644}
1645
af19b491
AKS		 1646int
1647qlcnic_reset_context(struct qlcnic_adapter *adapter)
1648{
1649 int err = 0;
1650 struct net_device *netdev = adapter->netdev;
1651
1652 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1653 return -EBUSY;
1654
1655 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1656
1657 netif_device_detach(netdev);
1658
1659 if (netif_running(netdev))
1660 __qlcnic_down(adapter, netdev);
1661
1662 qlcnic_detach(adapter);
1663
1664 if (netif_running(netdev)) {
1665 err = qlcnic_attach(adapter);
1d5c88e3 1666 if (!err) {
34ce3626 1667 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1668 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1669 }
af19b491
AKS		 1670 }
1671
1672 netif_device_attach(netdev);
1673 }
1674
af19b491
AKS		 1675 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1676 return err;
1677}
1678
1679static int
5ad6ff9d
SC		 1680qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1681 int pci_using_dac)
af19b491
AKS		 1682{
1683 int err;
1684 struct pci_dev *pdev = adapter->pdev;
1685
13159183 1686 adapter->rx_csum = 1;
79788450 1687 adapter->ahw->mc_enabled = 0;
13159183 1688 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1689
1690 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1691 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1692
1693 qlcnic_change_mtu(netdev, netdev->mtu);
1694
1695 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1696
7e38d04b 1697 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1698 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1699 NETIF_F_HW_VLAN_RX);
1700 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1701 NETIF_F_IPV6_CSUM);
ac8d0c4f 1702
13159183
SC		 1703 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1704 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1705 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1706 }
af19b491 1707
13159183
SC		 1708 if (pci_using_dac) {
1709 netdev->features |= NETIF_F_HIGHDMA;
1710 netdev->vlan_features |= NETIF_F_HIGHDMA;
1711 }
af19b491 1712
13159183
SC		 1713 if (qlcnic_vlan_tx_check(adapter))
1714 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1715
13159183
SC		 1716 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1717 netdev->features |= NETIF_F_LRO;
135d84a9 1718
7e38d04b 1719 netdev->hw_features = netdev->features;
af19b491
AKS		 1720 netdev->irq = adapter->msix_entries[0].vector;
1721
af19b491
AKS		 1722 err = register_netdev(netdev);
1723 if (err) {
1724 dev_err(&pdev->dev, "failed to register net device\n");
1725 return err;
1726 }
1727
1728 return 0;
1729}
1730
5ad6ff9d 1731static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1732{
1733 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1734 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1735 *pci_using_dac = 1;
1736 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1737 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1738 *pci_using_dac = 0;
1739 else {
1740 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1741 return -EIO;
1742 }
1743
1744 return 0;
1745}
1746
4be41e92
SC		 1747void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1748{
1749 int ring;
1750 struct qlcnic_host_tx_ring *tx_ring;
1751
1752 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1753 tx_ring = &adapter->tx_ring[ring];
1754 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1755 vfree(tx_ring->cmd_buf_arr);
1756 tx_ring->cmd_buf_arr = NULL;
1757 }
1758 }
1759 if (adapter->tx_ring != NULL)
1760 kfree(adapter->tx_ring);
1761}
1762
1763int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1764 struct net_device *netdev)
1765{
b2adaca9 1766 int ring, vector, index;
4be41e92
SC		 1767 struct qlcnic_host_tx_ring *tx_ring;
1768 struct qlcnic_cmd_buffer *cmd_buf_arr;
1769
b2adaca9
JP		 1770 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1771 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1772 if (tx_ring == NULL)
4be41e92 1773 return -ENOMEM;
b2adaca9 1774
4be41e92
SC		 1775 adapter->tx_ring = tx_ring;
1776
1777 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1778 tx_ring = &adapter->tx_ring[ring];
1779 tx_ring->num_desc = adapter->num_txd;
1780 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1781 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1782 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1783 qlcnic_free_tx_rings(adapter);
1784 return -ENOMEM;
1785 }
1786 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1787 tx_ring->cmd_buf_arr = cmd_buf_arr;
1788 }
1789
1790 if (qlcnic_83xx_check(adapter)) {
1791 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1792 tx_ring = &adapter->tx_ring[ring];
1793 tx_ring->adapter = adapter;
1794 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1795 index = adapter->max_sds_rings + ring;
1796 vector = adapter->msix_entries[index].vector;
1797 tx_ring->irq = vector;
1798 }
1799 }
1800 }
1801 return 0;
1802}
1803
6bb58bb0 1804static int
af19b491
AKS		 1805qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1806{
1807 struct net_device *netdev = NULL;
1808 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1809 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1810 int err, pci_using_dac = -1;
c84e340a 1811 u32 capab2;
7bc48646 1812 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 1813
1814 err = pci_enable_device(pdev);
1815 if (err)
1816 return err;
1817
1818 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1819 err = -ENODEV;
1820 goto err_out_disable_pdev;
1821 }
1822
1bb09fb9
AKS		 1823 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1824 if (err)
1825 goto err_out_disable_pdev;
1826
af19b491
AKS		 1827 err = pci_request_regions(pdev, qlcnic_driver_name);
1828 if (err)
1829 goto err_out_disable_pdev;
1830
1831 pci_set_master(pdev);
451724c8 1832 pci_enable_pcie_error_reporting(pdev);
af19b491 1833
7e2cf4fe
SC		 1834 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1835 if (!ahw)
1836 goto err_out_free_res;
1837
1838 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1839 ahw->hw_ops = &qlcnic_hw_ops;
1840 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1841 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1842 qlcnic_83xx_register_map(ahw);
1843 } else {
1844 goto err_out_free_hw_res;
7e2cf4fe
SC		 1845 }
1846
1847 err = qlcnic_setup_pci_map(pdev, ahw);
1848 if (err)
1849 goto err_out_free_hw_res;
1850
af19b491
AKS		 1851 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1852 if (!netdev) {
af19b491 1853 err = -ENOMEM;
7e2cf4fe 1854 goto err_out_iounmap;
af19b491
AKS		 1855 }
1856
1857 SET_NETDEV_DEV(netdev, &pdev->dev);
1858
1859 adapter = netdev_priv(netdev);
1860 adapter->netdev = netdev;
1861 adapter->pdev = pdev;
13159183
SC		 1862 adapter->ahw = ahw;
1863
1864 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1865 if (adapter->qlcnic_wq == NULL) {
1866 dev_err(&pdev->dev, "Failed to create workqueue\n");
1867 goto err_out_free_netdev;
1868 }
af19b491 1869
2dfc9671
PST		 1870 err = qlcnic_alloc_adapter_resources(adapter);
1871 if (err)
b1fc6d3c
AC		 1872 goto err_out_free_netdev;
1873
1874 adapter->dev_rst_time = jiffies;
7e2cf4fe 1875 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1876 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1877 adapter->fdb_mac_learn = true;
1878 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1879 adapter->drv_mac_learn = true;
7e2cf4fe 1880 adapter->max_drv_tx_rings = 1;
af19b491 1881
b1fc6d3c
AC		 1882 rwlock_init(&adapter->ahw->crb_lock);
1883 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1884
1885 spin_lock_init(&adapter->tx_clean_lock);
1886 INIT_LIST_HEAD(&adapter->mac_list);
1887
7e2cf4fe 1888 if (qlcnic_82xx_check(adapter)) {
13159183 1889 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1890 adapter->portnum = adapter->ahw->pci_func;
1891 err = qlcnic_start_firmware(adapter);
1892 if (err) {
1893 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1894 goto err_out_free_hw;
1895 }
af19b491 1896
7e2cf4fe
SC		 1897 err = qlcnic_setup_idc_param(adapter);
1898 if (err)
1899 goto err_out_free_hw;
b0044bcf 1900
7e2cf4fe 1901 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1902 } else if (qlcnic_83xx_check(adapter)) {
1903 qlcnic_83xx_check_vf(adapter, ent);
1904 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1905 err = qlcnic_83xx_init(adapter);
1906 if (err) {
1907 dev_err(&pdev->dev, "%s: failed\n", __func__);
1908 goto err_out_free_hw;
1909 }
13159183
SC		 1910 } else {
1911 dev_err(&pdev->dev,
1912 "%s: failed. Please Reboot\n", __func__);
1913 goto err_out_free_hw;
a7fc948f 1914 }
af19b491 1915
da48e6c3
RB		 1916 if (qlcnic_read_mac_addr(adapter))
1917 dev_warn(&pdev->dev, "failed to read mac addr\n");
1918
1919 if (adapter->portnum == 0) {
22999798 1920 qlcnic_get_board_name(adapter, board_name);
13159183 1921
da48e6c3 1922 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1923 module_name(THIS_MODULE),
1924 board_name, adapter->ahw->revision_id);
da48e6c3 1925 }
460374f7
HM		 1926
1927 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
1928 !!qlcnic_use_msi)
1929 dev_warn(&pdev->dev,
1930 "83xx adapter do not support MSI interrupts\n");
1931
7e2cf4fe 1932 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 1933 if (err) {
1934 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 1935 goto err_out_disable_msi;
9a97e705 1936 }
f94bc1e7 1937
13159183
SC		 1938 if (qlcnic_83xx_check(adapter)) {
1939 err = qlcnic_83xx_setup_mbx_intr(adapter);
1940 if (err)
1941 goto err_out_disable_msi;
1942 }
af19b491 1943
1bb09fb9 1944 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1945 if (err)
7e2cf4fe 1946 goto err_out_disable_mbx_intr;
af19b491 1947
c84e340a
SV		 1948 if (qlcnic_82xx_check(adapter)) {
1949 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1950 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1951 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1952 qlcnic_fw_cmd_set_drv_version(adapter);
1953 }
1954 }
1955
af19b491
AKS		 1956 pci_set_drvdata(pdev, adapter);
1957
97ee45eb
SC		 1958 if (qlcnic_82xx_check(adapter))
1959 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1960 FW_POLL_DELAY);
af19b491 1961
b1fc6d3c 1962 switch (adapter->ahw->port_type) {
af19b491
AKS		 1963 case QLCNIC_GBE:
1964 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1965 adapter->netdev->name);
1966 break;
1967 case QLCNIC_XGBE:
1968 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1969 adapter->netdev->name);
1970 break;
1971 }
1972
7e2cf4fe
SC		 1973 if (qlcnic_get_act_pci_func(adapter))
1974 goto err_out_disable_mbx_intr;
1975
fe1adc6b 1976 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 1977 qlcnic_alloc_lb_filters_mem(adapter);
1978
7e2cf4fe 1979 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1980
1981 return 0;
1982
7e2cf4fe 1983err_out_disable_mbx_intr:
7dd90cf1 1984 if (qlcnic_83xx_check(adapter))
13159183 1985 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 1986
af19b491
AKS		 1987err_out_disable_msi:
1988 qlcnic_teardown_intr(adapter);
7e2cf4fe 1989 qlcnic_cancel_idc_work(adapter);
21854f02 1990 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1991
b1fc6d3c
AC		 1992err_out_free_hw:
1993 qlcnic_free_adapter_resources(adapter);
1994
af19b491
AKS		 1995err_out_free_netdev:
1996 free_netdev(netdev);
1997
7e2cf4fe
SC		 1998err_out_iounmap:
1999 qlcnic_cleanup_pci_map(adapter);
2000
2001err_out_free_hw_res:
2002 kfree(ahw);
2003
af19b491
AKS		 2004err_out_free_res:
2005 pci_release_regions(pdev);
2006
2007err_out_disable_pdev:
2008 pci_set_drvdata(pdev, NULL);
2009 pci_disable_device(pdev);
2010 return err;
2011}
2012
6bb58bb0 2013static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2014{
2015 struct qlcnic_adapter *adapter;
2016 struct net_device *netdev;
13159183 2017 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2018
2019 adapter = pci_get_drvdata(pdev);
2020 if (adapter == NULL)
2021 return;
2022
2023 netdev = adapter->netdev;
2024
13159183
SC		 2025 qlcnic_cancel_idc_work(adapter);
2026 ahw = adapter->ahw;
af19b491
AKS		 2027
2028 unregister_netdev(netdev);
2029
13159183 2030 if (qlcnic_83xx_check(adapter)) {
13159183 2031 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2032 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2033 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2034 }
2035
af19b491
AKS		 2036 qlcnic_detach(adapter);
2037
2e9d722d
AC		 2038 if (adapter->npars != NULL)
2039 kfree(adapter->npars);
2040 if (adapter->eswitch != NULL)
2041 kfree(adapter->eswitch);
2042
97ee45eb
SC		 2043 if (qlcnic_82xx_check(adapter))
2044 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2045
2046 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2047
b5e5492c
AKS		 2048 qlcnic_free_lb_filters_mem(adapter);
2049
af19b491
AKS		 2050 qlcnic_teardown_intr(adapter);
2051
13159183 2052 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 2053
2054 qlcnic_cleanup_pci_map(adapter);
2055
2056 qlcnic_release_firmware(adapter);
2057
451724c8 2058 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2059 pci_release_regions(pdev);
2060 pci_disable_device(pdev);
2061 pci_set_drvdata(pdev, NULL);
2062
13159183
SC		 2063 if (adapter->qlcnic_wq) {
2064 destroy_workqueue(adapter->qlcnic_wq);
2065 adapter->qlcnic_wq = NULL;
2066 }
b1fc6d3c 2067 qlcnic_free_adapter_resources(adapter);
13159183 2068 kfree(ahw);
af19b491
AKS		 2069 free_netdev(netdev);
2070}
2071static int __qlcnic_shutdown(struct pci_dev *pdev)
2072{
2073 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2074 struct net_device *netdev = adapter->netdev;
2075 int retval;
2076
2077 netif_device_detach(netdev);
2078
13159183 2079 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2080
2081 if (netif_running(netdev))
2082 qlcnic_down(adapter, netdev);
2083
97ee45eb
SC		 2084 if (qlcnic_82xx_check(adapter))
2085 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2086
2087 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2088
2089 retval = pci_save_state(pdev);
2090 if (retval)
2091 return retval;
97ee45eb
SC		 2092 if (qlcnic_82xx_check(adapter)) {
2093 if (qlcnic_wol_supported(adapter)) {
2094 pci_enable_wake(pdev, PCI_D3cold, 1);
2095 pci_enable_wake(pdev, PCI_D3hot, 1);
2096 }
af19b491
AKS		 2097 }
2098
2099 return 0;
2100}
2101
2102static void qlcnic_shutdown(struct pci_dev *pdev)
2103{
2104 if (__qlcnic_shutdown(pdev))
2105 return;
2106
2107 pci_disable_device(pdev);
2108}
2109
2110#ifdef CONFIG_PM
2111static int
2112qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2113{
2114 int retval;
2115
2116 retval = __qlcnic_shutdown(pdev);
2117 if (retval)
2118 return retval;
2119
2120 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2121 return 0;
2122}
2123
2124static int
2125qlcnic_resume(struct pci_dev *pdev)
2126{
2127 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2128 struct net_device *netdev = adapter->netdev;
2129 int err;
2130
2131 err = pci_enable_device(pdev);
2132 if (err)
2133 return err;
2134
2135 pci_set_power_state(pdev, PCI_D0);
2136 pci_set_master(pdev);
2137 pci_restore_state(pdev);
2138
13159183 2139 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2140 if (err) {
2141 dev_err(&pdev->dev, "failed to start firmware\n");
2142 return err;
2143 }
2144
2145 if (netif_running(netdev)) {
af19b491
AKS		 2146 err = qlcnic_up(adapter, netdev);
2147 if (err)
52486a3a 2148 goto done;
af19b491 2149
aec1e845 2150 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2151 }
52486a3a 2152done:
af19b491
AKS		 2153 netif_device_attach(netdev);
2154 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2155 return 0;
af19b491
AKS		 2156}
2157#endif
2158
2159static int qlcnic_open(struct net_device *netdev)
2160{
2161 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2162 int err;
2163
c55ad8e5
AKS		 2164 netif_carrier_off(netdev);
2165
af19b491
AKS		 2166 err = qlcnic_attach(adapter);
2167 if (err)
2168 return err;
2169
2170 err = __qlcnic_up(adapter, netdev);
2171 if (err)
2172 goto err_out;
2173
2174 netif_start_queue(netdev);
2175
2176 return 0;
2177
2178err_out:
2179 qlcnic_detach(adapter);
2180 return err;
2181}
2182
2183/*
2184 * qlcnic_close - Disables a network interface entry point
2185 */
2186static int qlcnic_close(struct net_device *netdev)
2187{
2188 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2189
2190 __qlcnic_down(adapter, netdev);
13159183 2191
af19b491
AKS		 2192 return 0;
2193}
2194
e5dcf6dc 2195void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2196{
2197 void *head;
2198 int i;
13159183
SC		 2199 struct net_device *netdev = adapter->netdev;
2200 u32 filter_size = 0;
2201 u16 act_pci_func = 0;
b5e5492c 2202
e5dcf6dc 2203 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2204 return;
2205
13159183 2206 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2207 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2208 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2209
13159183
SC		 2210 if (qlcnic_82xx_check(adapter)) {
2211 filter_size = QLCNIC_LB_MAX_FILTERS;
2212 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2213 } else {
2214 filter_size = QLC_83XX_LB_MAX_FILTERS;
2215 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2216 }
2217
2218 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2219 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2220
b5e5492c
AKS		 2221 if (!head)
2222 return;
2223
13159183 2224 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2225 adapter->fhash.fhead = head;
b5e5492c 2226
13159183
SC		 2227 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2228 act_pci_func, adapter->fhash.fmax);
2229
2230 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2231 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2232
2233 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2234
2235 head = kcalloc(adapter->rx_fhash.fbucket_size,
2236 sizeof(struct hlist_head), GFP_ATOMIC);
2237
2238 if (!head)
2239 return;
2240
2241 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2242 adapter->rx_fhash.fhead = head;
2243
2244 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2245 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2246}
2247
2248static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2249{
2250 if (adapter->fhash.fmax && adapter->fhash.fhead)
2251 kfree(adapter->fhash.fhead);
2252
2253 adapter->fhash.fhead = NULL;
2254 adapter->fhash.fmax = 0;
53643a75
SS		 2255
2256 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2257 kfree(adapter->rx_fhash.fhead);
2258
2259 adapter->rx_fhash.fmax = 0;
2260 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2261}
2262
629263ac 2263int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2264{
2265 struct net_device *netdev = adapter->netdev;
97ee45eb 2266 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2267 int rv = 0;
2268
13159183
SC		 2269 if (qlcnic_83xx_check(adapter))
2270 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2271
97ee45eb 2272 if (qlcnic_82xx_check(adapter))
a15ebd37 2273 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2274
2275 temp_state = qlcnic_get_temp_state(temp);
2276 temp_val = qlcnic_get_temp_val(temp);
2277
2278 if (temp_state == QLCNIC_TEMP_PANIC) {
2279 dev_err(&netdev->dev,
2280 "Device temperature %d degrees C exceeds"
2281 " maximum allowed. Hardware has been shut down.\n",
2282 temp_val);
2283 rv = 1;
2284 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2285 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2286 dev_err(&netdev->dev,
2287 "Device temperature %d degrees C "
2288 "exceeds operating range."
2289 " Immediate action needed.\n",
2290 temp_val);
2291 }
2292 } else {
79788450 2293 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2294 dev_info(&netdev->dev,
2295 "Device temperature is now %d degrees C"
2296 " in normal range.\n", temp_val);
2297 }
2298 }
79788450 2299 adapter->ahw->temp = temp_state;
af19b491
AKS		 2300 return rv;
2301}
2302
af19b491
AKS		 2303static void qlcnic_tx_timeout(struct net_device *netdev)
2304{
2305 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2306
2307 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2308 return;
2309
2310 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2311
2312 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2313 adapter->need_fw_reset = 1;
2314 else
79788450 2315 adapter->ahw->reset_context = 1;
af19b491
AKS		 2316}
2317
2318static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2319{
2320 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2321 struct net_device_stats *stats = &netdev->stats;
2322
af19b491
AKS		 2323 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2324 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2325 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2326 stats->tx_bytes = adapter->stats.txbytes;
2327 stats->rx_dropped = adapter->stats.rxdropped;
2328 stats->tx_dropped = adapter->stats.txdropped;
2329
2330 return stats;
2331}
2332
7e2cf4fe 2333irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2334{
af19b491
AKS		 2335 u32 status;
2336
2337 status = readl(adapter->isr_int_vec);
2338
79788450 2339 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2340 return IRQ_NONE;
2341
2342 /* check interrupt state machine, to be sure */
2343 status = readl(adapter->crb_int_state_reg);
2344 if (!ISR_LEGACY_INT_TRIGGERED(status))
2345 return IRQ_NONE;
2346
2347 writel(0xffffffff, adapter->tgt_status_reg);
2348 /* read twice to ensure write is flushed */
2349 readl(adapter->isr_int_vec);
2350 readl(adapter->isr_int_vec);
2351
7eb9855d
AKS		 2352 return IRQ_HANDLED;
2353}
2354
2355static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2356{
2357 struct qlcnic_host_sds_ring *sds_ring = data;
2358 struct qlcnic_adapter *adapter = sds_ring->adapter;
2359
2360 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2361 goto done;
2362 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2363 writel(0xffffffff, adapter->tgt_status_reg);
2364 goto done;
2365 }
2366
2367 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2368 return IRQ_NONE;
2369
2370done:
79788450 2371 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2372 qlcnic_enable_int(sds_ring);
2373 return IRQ_HANDLED;
2374}
2375
2376static irqreturn_t qlcnic_intr(int irq, void *data)
2377{
2378 struct qlcnic_host_sds_ring *sds_ring = data;
2379 struct qlcnic_adapter *adapter = sds_ring->adapter;
2380
2381 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2382 return IRQ_NONE;
2383
af19b491
AKS		 2384 napi_schedule(&sds_ring->napi);
2385
2386 return IRQ_HANDLED;
2387}
2388
2389static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2390{
2391 struct qlcnic_host_sds_ring *sds_ring = data;
2392 struct qlcnic_adapter *adapter = sds_ring->adapter;
2393
2394 /* clear interrupt */
2395 writel(0xffffffff, adapter->tgt_status_reg);
2396
2397 napi_schedule(&sds_ring->napi);
2398 return IRQ_HANDLED;
2399}
2400
2401static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2402{
2403 struct qlcnic_host_sds_ring *sds_ring = data;
2404
2405 napi_schedule(&sds_ring->napi);
2406 return IRQ_HANDLED;
2407}
2408
13159183
SC		 2409static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2410{
2411 struct qlcnic_host_tx_ring *tx_ring = data;
2412
2413 napi_schedule(&tx_ring->napi);
2414 return IRQ_HANDLED;
2415}
2416
af19b491
AKS		 2417#ifdef CONFIG_NET_POLL_CONTROLLER
2418static void qlcnic_poll_controller(struct net_device *netdev)
2419{
bf82791e
YL		 2420 int ring;
2421 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2422 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2423 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2424
af19b491 2425 disable_irq(adapter->irq);
bf82791e
YL		 2426 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2427 sds_ring = &recv_ctx->sds_rings[ring];
2428 qlcnic_intr(adapter->irq, sds_ring);
2429 }
af19b491
AKS		 2430 enable_irq(adapter->irq);
2431}
2432#endif
2433
6df900e9
SC		 2434static void
2435qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2436{
2437 u32 val;
2438
2439 val = adapter->portnum & 0xf;
2440 val |= encoding << 7;
2441 val |= (jiffies - adapter->dev_rst_time) << 8;
2442
a15ebd37 2443 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2444 adapter->dev_rst_time = jiffies;
2445}
2446
ade91f8e
AKS		 2447static int
2448qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2449{
2450 u32 val;
2451
2452 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2453 state != QLCNIC_DEV_NEED_QUISCENT);
2454
2455 if (qlcnic_api_lock(adapter))
ade91f8e 2456 return -EIO;
af19b491 2457
a15ebd37 2458 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2459
2460 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2461 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2462 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2463 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2464
a15ebd37 2465 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2466
2467 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2468
2469 return 0;
af19b491
AKS		 2470}
2471
1b95a839
AKS		 2472static int
2473qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2474{
2475 u32 val;
2476
2477 if (qlcnic_api_lock(adapter))
2478 return -EBUSY;
2479
a15ebd37 2480 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2481 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2482 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2483
2484 qlcnic_api_unlock(adapter);
2485
2486 return 0;
2487}
2488
af19b491 2489static void
21854f02 2490qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2491{
2492 u32 val;
2493
2494 if (qlcnic_api_lock(adapter))
2495 goto err;
2496
a15ebd37 2497 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2498 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2499 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2500
21854f02 2501 if (failed) {
a15ebd37
HM		 2502 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2503 QLCNIC_DEV_FAILED);
21854f02
AKS		 2504 dev_info(&adapter->pdev->dev,
2505 "Device state set to Failed. Please Reboot\n");
2506 } else if (!(val & 0x11111111))
a15ebd37
HM		 2507 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2508 QLCNIC_DEV_COLD);
af19b491 2509
a15ebd37 2510 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2511 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2512 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2513
2514 qlcnic_api_unlock(adapter);
2515err:
2516 adapter->fw_fail_cnt = 0;
032a13c7 2517 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2518 clear_bit(__QLCNIC_START_FW, &adapter->state);
2519 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2520}
2521
f73dfc50 2522/* Grab api lock, before checking state */
af19b491
AKS		 2523static int
2524qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2525{
602ca6f0 2526 int act, state, active_mask;
a15ebd37 2527 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2528
a15ebd37
HM		 2529 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2530 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2531
602ca6f0 2532 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2533 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2534 act = act & active_mask;
2535 }
2536
af19b491
AKS		 2537 if (((state & 0x11111111) == (act & 0x11111111)) ||
2538 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2539 return 0;
2540 else
2541 return 1;
2542}
2543
96f8118c
SC		 2544static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2545{
a15ebd37 2546 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2547
2548 if (val != QLCNIC_DRV_IDC_VER) {
2549 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2550 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2551 }
2552
2553 return 0;
2554}
2555
af19b491
AKS		 2556static int
2557qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2558{
2559 u32 val, prev_state;
aa5e18c0 2560 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2561 u8 portnum = adapter->portnum;
96f8118c 2562 u8 ret;
af19b491 2563
f73dfc50
AKS		 2564 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2565 return 1;
2566
af19b491
AKS		 2567 if (qlcnic_api_lock(adapter))
2568 return -1;
2569
a15ebd37 2570 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2571 if (!(val & (1 << (portnum * 4)))) {
2572 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2573 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2574 }
2575
a15ebd37 2576 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2577 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2578
2579 switch (prev_state) {
2580 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2581 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2582 QLCNIC_DEV_INITIALIZING);
2583 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2584 QLCNIC_DRV_IDC_VER);
6df900e9 2585 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2586 qlcnic_api_unlock(adapter);
2587 return 1;
2588
2589 case QLCNIC_DEV_READY:
96f8118c 2590 ret = qlcnic_check_idc_ver(adapter);
af19b491 2591 qlcnic_api_unlock(adapter);
96f8118c 2592 return ret;
af19b491
AKS		 2593
2594 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2595 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2596 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2597 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2598 break;
2599
2600 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2601 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2602 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2603 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2604 break;
2605
2606 case QLCNIC_DEV_FAILED:
a7fc948f 2607 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2608 qlcnic_api_unlock(adapter);
2609 return -1;
bbd8c6a4
AKS		 2610
2611 case QLCNIC_DEV_INITIALIZING:
2612 case QLCNIC_DEV_QUISCENT:
2613 break;
af19b491
AKS		 2614 }
2615
2616 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2617
2618 do {
af19b491 2619 msleep(1000);
a15ebd37 2620 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2621
2622 if (prev_state == QLCNIC_DEV_QUISCENT)
2623 continue;
2624 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2625
65b5b420
AKS		 2626 if (!dev_init_timeo) {
2627 dev_err(&adapter->pdev->dev,
2628 "Waiting for device to initialize timeout\n");
af19b491 2629 return -1;
65b5b420 2630 }
af19b491
AKS		 2631
2632 if (qlcnic_api_lock(adapter))
2633 return -1;
2634
a15ebd37 2635 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2636 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2637 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2638
96f8118c 2639 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2640 qlcnic_api_unlock(adapter);
2641
96f8118c 2642 return ret;
af19b491
AKS		 2643}
2644
2645static void
2646qlcnic_fwinit_work(struct work_struct *work)
2647{
2648 struct qlcnic_adapter *adapter = container_of(work,
2649 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2650 u32 dev_state = 0xf;
7b749ff4 2651 u32 val;
af19b491 2652
f73dfc50
AKS		 2653 if (qlcnic_api_lock(adapter))
2654 goto err_ret;
af19b491 2655
a15ebd37 2656 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2657 if (dev_state == QLCNIC_DEV_QUISCENT ||
2658 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2659 qlcnic_api_unlock(adapter);
2660 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2661 FW_POLL_DELAY * 2);
2662 return;
2663 }
2664
79788450 2665 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2666 qlcnic_api_unlock(adapter);
2667 goto wait_npar;
9f26f547
AC		 2668 }
2669
16e3cf73
SV		 2670 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2671 dev_state == QLCNIC_DEV_READY) {
2672 dev_info(&adapter->pdev->dev, "Detected state change from "
2673 "DEV_NEED_RESET, skipping ack check\n");
2674 goto skip_ack_check;
2675 }
2676
f73dfc50 2677 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2678 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2679 adapter->reset_ack_timeo);
2680 goto skip_ack_check;
2681 }
2682
2683 if (!qlcnic_check_drv_state(adapter)) {
2684skip_ack_check:
a15ebd37 2685 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2686
f73dfc50 2687 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2688 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2689 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2690 set_bit(__QLCNIC_START_FW, &adapter->state);
2691 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2692 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2693 val = QLC_SHARED_REG_RD32(adapter,
2694 QLCNIC_CRB_DRV_STATE);
7b749ff4 2695 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2696 QLC_SHARED_REG_WR32(adapter,
2697 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2698 }
2699
f73dfc50
AKS		 2700 qlcnic_api_unlock(adapter);
2701
287e38aa 2702 rtnl_lock();
7b749ff4
SV		 2703 if (adapter->ahw->fw_dump.enable &&
2704 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2705 QLCDB(adapter, DRV, "Take FW dump\n");
2706 qlcnic_dump_fw(adapter);
032a13c7 2707 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2708 }
287e38aa 2709 rtnl_unlock();
7b749ff4
SV		 2710
2711 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2712 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2713 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2714 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2715 return;
2716 }
af19b491
AKS		 2717 goto err_ret;
2718 }
2719
f73dfc50 2720 qlcnic_api_unlock(adapter);
aa5e18c0 2721
9f26f547 2722wait_npar:
a15ebd37 2723 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2724 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2725
af19b491 2726 switch (dev_state) {
3c4b23b1 2727 case QLCNIC_DEV_READY:
7e2cf4fe 2728 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2729 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2730 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2731 return;
2732 }
3c4b23b1
AKS		 2733 case QLCNIC_DEV_FAILED:
2734 break;
2735 default:
2736 qlcnic_schedule_work(adapter,
2737 qlcnic_fwinit_work, FW_POLL_DELAY);
2738 return;
af19b491
AKS		 2739 }
2740
2741err_ret:
f73dfc50
AKS		 2742 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2743 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2744 netif_device_attach(adapter->netdev);
21854f02 2745 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2746}
2747
2748static void
2749qlcnic_detach_work(struct work_struct *work)
2750{
2751 struct qlcnic_adapter *adapter = container_of(work,
2752 struct qlcnic_adapter, fw_work.work);
2753 struct net_device *netdev = adapter->netdev;
2754 u32 status;
2755
2756 netif_device_detach(netdev);
2757
b8c17620
AKS		 2758 /* Dont grab rtnl lock during Quiscent mode */
2759 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2760 if (netif_running(netdev))
2761 __qlcnic_down(adapter, netdev);
2762 } else
2763 qlcnic_down(adapter, netdev);
af19b491 2764
a15ebd37 2765 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2766
44f65b29
SC		 2767 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2768 dev_err(&adapter->pdev->dev,
2769 "Detaching the device: peg halt status1=0x%x\n",
2770 status);
2771
2772 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2773 dev_err(&adapter->pdev->dev,
2774 "On board active cooling fan failed. "
2775 "Device has been halted.\n");
2776 dev_err(&adapter->pdev->dev,
2777 "Replace the adapter.\n");
2778 }
2779
af19b491 2780 goto err_ret;
44f65b29 2781 }
af19b491 2782
79788450 2783 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2784 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2785 adapter->ahw->temp);
af19b491 2786 goto err_ret;
44f65b29
SC		 2787 }
2788
602ca6f0
SV		 2789 /* Dont ack if this instance is the reset owner */
2790 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2791 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2792 dev_err(&adapter->pdev->dev,
2793 "Failed to set driver state,"
2794 "detaching the device.\n");
602ca6f0 2795 goto err_ret;
44f65b29 2796 }
602ca6f0 2797 }
af19b491
AKS		 2798
2799 adapter->fw_wait_cnt = 0;
2800
2801 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2802
2803 return;
2804
2805err_ret:
34ce3626 2806 netif_device_attach(netdev);
21854f02 2807 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2808}
2809
3c4b23b1
AKS		 2810/*Transit NPAR state to NON Operational */
2811static void
2812qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2813{
2814 u32 state;
2815
a15ebd37 2816 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2817 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2818 return;
2819
2820 if (qlcnic_api_lock(adapter))
2821 return;
a15ebd37
HM		 2822 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2823 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2824 qlcnic_api_unlock(adapter);
2825}
2826
7e2cf4fe 2827void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2828{
646779f1
SV		 2829 u32 state, xg_val = 0, gb_val = 0;
2830
2831 qlcnic_xg_set_xg0_mask(xg_val);
2832 qlcnic_xg_set_xg1_mask(xg_val);
2833 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2834 qlcnic_gb_set_gb0_mask(gb_val);
2835 qlcnic_gb_set_gb1_mask(gb_val);
2836 qlcnic_gb_set_gb2_mask(gb_val);
2837 qlcnic_gb_set_gb3_mask(gb_val);
2838 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2839 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2840 " on all ports\n");
cea8975e 2841 adapter->need_fw_reset = 1;
13159183 2842
af19b491
AKS		 2843 if (qlcnic_api_lock(adapter))
2844 return;
2845
13159183 2846 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2847
f73dfc50 2848 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2849 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2850 QLCNIC_DEV_NEED_RESET);
602ca6f0 2851 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2852 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2853 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2854 }
2855
13159183
SC		 2856 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2857 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2858 qlcnic_api_unlock(adapter);
2859}
2860
9f26f547
AC		 2861/* Transit to NPAR READY state from NPAR NOT READY state */
2862static void
2863qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2864{
9f26f547
AC		 2865 if (qlcnic_api_lock(adapter))
2866 return;
2867
a15ebd37
HM		 2868 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2869 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2870 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2871
2872 qlcnic_api_unlock(adapter);
2873}
2874
13159183
SC		 2875void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2876 work_func_t func, int delay)
af19b491 2877{
451724c8
SC		 2878 if (test_bit(__QLCNIC_AER, &adapter->state))
2879 return;
2880
af19b491 2881 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2882 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2883 round_jiffies_relative(delay));
af19b491
AKS		 2884}
2885
2886static void
2887qlcnic_attach_work(struct work_struct *work)
2888{
2889 struct qlcnic_adapter *adapter = container_of(work,
2890 struct qlcnic_adapter, fw_work.work);
2891 struct net_device *netdev = adapter->netdev;
b18971d1 2892 u32 npar_state;
af19b491 2893
79788450 2894 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2895 npar_state = QLC_SHARED_REG_RD32(adapter,
2896 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2897 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2898 qlcnic_clr_all_drv_state(adapter, 0);
2899 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2900 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2901 FW_POLL_DELAY);
2902 else
2903 goto attach;
2904 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2905 return;
2906 }
2907attach:
af19b491 2908 if (netif_running(netdev)) {
52486a3a 2909 if (qlcnic_up(adapter, netdev))
af19b491 2910 goto done;
af19b491 2911
aec1e845 2912 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2913 }
2914
af19b491 2915done:
34ce3626 2916 netif_device_attach(netdev);
af19b491 2917 adapter->fw_fail_cnt = 0;
032a13c7 2918 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2919 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2920
2921 if (!qlcnic_clr_drv_state(adapter))
2922 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2923 FW_POLL_DELAY);
af19b491
AKS		 2924}
2925
2926static int
2927qlcnic_check_health(struct qlcnic_adapter *adapter)
2928{
4e70812b 2929 u32 state = 0, heartbeat;
853d4bca 2930 u32 peg_status;
af19b491
AKS		 2931
2932 if (qlcnic_check_temp(adapter))
2933 goto detach;
2934
2372a5f1 2935 if (adapter->need_fw_reset)
7e2cf4fe 2936 qlcnic_dev_request_reset(adapter, 0);
af19b491 2937
a15ebd37 2938 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2939 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2940 qlcnic_set_npar_non_operational(adapter);
af19b491 2941 adapter->need_fw_reset = 1;
b8c17620
AKS		 2942 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2943 goto detach;
af19b491 2944
a15ebd37 2945 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2946 if (heartbeat != adapter->heartbeat) {
2947 adapter->heartbeat = heartbeat;
af19b491
AKS		 2948 adapter->fw_fail_cnt = 0;
2949 if (adapter->need_fw_reset)
2950 goto detach;
68bf1c68 2951
099f7aa7 2952 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2953 qlcnic_reset_hw_context(adapter);
2954 adapter->netdev->trans_start = jiffies;
2955 }
2956
af19b491
AKS		 2957 return 0;
2958 }
2959
2960 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2961 return 0;
2962
032a13c7
SV		 2963 adapter->flags |= QLCNIC_FW_HANG;
2964
7e2cf4fe 2965 qlcnic_dev_request_reset(adapter, 0);
af19b491 2966
099f7aa7 2967 if (qlcnic_auto_fw_reset)
0df170b6 2968 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2969
853d4bca 2970 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2971 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2972 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2973 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2974 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2975 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2976 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2977 peg_status,
2978 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2979 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2980 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2981 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2982 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2983 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2984 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2985 dev_err(&adapter->pdev->dev,
2986 "Firmware aborted with error code 0x00006700. "
2987 "Device is being reset.\n");
af19b491
AKS		 2988detach:
2989 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2990 QLCNIC_DEV_NEED_RESET;
2991
099f7aa7
SC		 2992 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2993 &adapter->state)) {
65b5b420 2994
af19b491 2995 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2996 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2997 }
af19b491
AKS		 2998
2999 return 1;
3000}
3001
3002static void
3003qlcnic_fw_poll_work(struct work_struct *work)
3004{
3005 struct qlcnic_adapter *adapter = container_of(work,
3006 struct qlcnic_adapter, fw_work.work);
3007
3008 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3009 goto reschedule;
3010
3011
3012 if (qlcnic_check_health(adapter))
3013 return;
3014
b5e5492c
AKS		 3015 if (adapter->fhash.fnum)
3016 qlcnic_prune_lb_filters(adapter);
3017
af19b491
AKS		 3018reschedule:
3019 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3020}
3021
451724c8
SC		 3022static int qlcnic_is_first_func(struct pci_dev *pdev)
3023{
3024 struct pci_dev *oth_pdev;
3025 int val = pdev->devfn;
3026
3027 while (val-- > 0) {
3028 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3029 (pdev->bus), pdev->bus->number,
3030 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3031 if (!oth_pdev)
3032 continue;
451724c8 3033
bfc978fa
AKS		 3034 if (oth_pdev->current_state != PCI_D3cold) {
3035 pci_dev_put(oth_pdev);
451724c8 3036 return 0;
bfc978fa
AKS		 3037 }
3038 pci_dev_put(oth_pdev);
451724c8
SC		 3039 }
3040 return 1;
3041}
3042
3043static int qlcnic_attach_func(struct pci_dev *pdev)
3044{
3045 int err, first_func;
3046 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3047 struct net_device *netdev = adapter->netdev;
3048
3049 pdev->error_state = pci_channel_io_normal;
3050
3051 err = pci_enable_device(pdev);
3052 if (err)
3053 return err;
3054
3055 pci_set_power_state(pdev, PCI_D0);
3056 pci_set_master(pdev);
3057 pci_restore_state(pdev);
3058
3059 first_func = qlcnic_is_first_func(pdev);
3060
3061 if (qlcnic_api_lock(adapter))
3062 return -EINVAL;
3063
79788450 3064 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3065 adapter->need_fw_reset = 1;
3066 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3067 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3068 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3069 QLCDB(adapter, DRV, "Restarting fw\n");
3070 }
3071 qlcnic_api_unlock(adapter);
3072
13159183 3073 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3074 if (err)
3075 return err;
3076
3077 qlcnic_clr_drv_state(adapter);
13159183
SC		 3078 kfree(adapter->msix_entries);
3079 adapter->msix_entries = NULL;
3080 err = qlcnic_setup_intr(adapter, 0);
3081
9a97e705
M		 3082 if (err) {
3083 kfree(adapter->msix_entries);
3084 netdev_err(netdev, "failed to setup interrupt\n");
3085 return err;
3086 }
3087
13159183 3088 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3089 /* register for NIC IDC AEN Events */
3090 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3091 err = qlcnic_83xx_setup_mbx_intr(adapter);
3092 if (err) {
3093 dev_err(&adapter->pdev->dev,
3094 "failed to setup mbx interrupt\n");
3095 qlcnic_clr_all_drv_state(adapter, 1);
3096 clear_bit(__QLCNIC_AER, &adapter->state);
3097 goto done;
3098 }
3099 }
451724c8
SC		 3100
3101 if (netif_running(netdev)) {
3102 err = qlcnic_attach(adapter);
3103 if (err) {
21854f02 3104 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3105 clear_bit(__QLCNIC_AER, &adapter->state);
3106 netif_device_attach(netdev);
3107 return err;
3108 }
3109
3110 err = qlcnic_up(adapter, netdev);
3111 if (err)
3112 goto done;
3113
aec1e845 3114 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3115 }
3116 done:
3117 netif_device_attach(netdev);
3118 return err;
3119}
3120
3121static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3122 pci_channel_state_t state)
3123{
3124 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3125 struct net_device *netdev = adapter->netdev;
3126
3127 if (state == pci_channel_io_perm_failure)
3128 return PCI_ERS_RESULT_DISCONNECT;
3129
3130 if (state == pci_channel_io_normal)
3131 return PCI_ERS_RESULT_RECOVERED;
3132
3133 set_bit(__QLCNIC_AER, &adapter->state);
3134 netif_device_detach(netdev);
3135
3136 cancel_delayed_work_sync(&adapter->fw_work);
3137
3138 if (netif_running(netdev))
3139 qlcnic_down(adapter, netdev);
3140
13159183 3141 if (qlcnic_83xx_check(adapter)) {
13159183 3142 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3143 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3144 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3145 }
3146
451724c8
SC		 3147 qlcnic_detach(adapter);
3148 qlcnic_teardown_intr(adapter);
3149
3150 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3151
3152 pci_save_state(pdev);
3153 pci_disable_device(pdev);
3154
3155 return PCI_ERS_RESULT_NEED_RESET;
3156}
3157
3158static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3159{
3160 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3161 PCI_ERS_RESULT_RECOVERED;
3162}
3163
3164static void qlcnic_io_resume(struct pci_dev *pdev)
3165{
a15ebd37 3166 u32 state;
451724c8
SC		 3167 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3168
3169 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3170 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3171 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3172 &adapter->state))
451724c8
SC		 3173 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3174 FW_POLL_DELAY);
3175}
3176
87eb743b
AC		 3177static int
3178qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3179{
3180 int err;
3181
3182 err = qlcnic_can_start_firmware(adapter);
3183 if (err)
3184 return err;
3185
78f84e1a
AKS		 3186 err = qlcnic_check_npar_opertional(adapter);
3187 if (err)
3188 return err;
3c4b23b1 3189
174240a8
RB		 3190 err = qlcnic_initialize_nic(adapter);
3191 if (err)
3192 return err;
3193
87eb743b
AC		 3194 qlcnic_check_options(adapter);
3195
7373373d
RB		 3196 err = qlcnic_set_eswitch_port_config(adapter);
3197 if (err)
3198 return err;
3199
87eb743b
AC		 3200 adapter->need_fw_reset = 0;
3201
3202 return err;
3203}
3204
319ecf12 3205int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3206{
319ecf12
SC		 3207 u32 max_allowed;
3208
3209 if (max_hw > QLC_MAX_SDS_RINGS) {
3210 max_hw = QLC_MAX_SDS_RINGS;
3211 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3212 }
3213
319ecf12
SC		 3214 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3215 num_online_cpus()));
3216 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3217 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3218 max_allowed);
f94bc1e7
SC		 3219 return -EINVAL;
3220 }
3221 return 0;
f94bc1e7
SC		 3222}
3223
319ecf12 3224int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3225{
13159183 3226 int err;
f94bc1e7 3227 struct net_device *netdev = adapter->netdev;
f94bc1e7 3228
319ecf12
SC		 3229 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3230 return -EBUSY;
3231
f94bc1e7
SC		 3232 netif_device_detach(netdev);
3233 if (netif_running(netdev))
3234 __qlcnic_down(adapter, netdev);
13159183 3235
7dd90cf1
SC		 3236 qlcnic_detach(adapter);
3237
3238 if (qlcnic_83xx_check(adapter))
13159183 3239 qlcnic_83xx_free_mbx_intr(adapter);
13159183 3240
f94bc1e7 3241 qlcnic_teardown_intr(adapter);
319ecf12 3242 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3243 if (err) {
3244 kfree(adapter->msix_entries);
3245 netdev_err(netdev, "failed to setup interrupt\n");
3246 return err;
3247 }
f94bc1e7 3248
13159183 3249 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3250 /* register for NIC IDC AEN Events */
3251 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3252 err = qlcnic_83xx_setup_mbx_intr(adapter);
3253 if (err) {
3254 dev_err(&adapter->pdev->dev,
3255 "failed to setup mbx interrupt\n");
3256 goto done;
3257 }
f94bc1e7
SC		 3258 }
3259
3260 if (netif_running(netdev)) {
3261 err = qlcnic_attach(adapter);
3262 if (err)
3263 goto done;
3264 err = __qlcnic_up(adapter, netdev);
3265 if (err)
3266 goto done;
3267 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3268 }
319ecf12 3269 err = len;
f94bc1e7
SC		 3270 done:
3271 netif_device_attach(netdev);
3272 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3273 return err;
3274}
3275
af19b491
AKS		 3276#ifdef CONFIG_INET
3277
3278#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3279
af19b491 3280static void
aec1e845
AKS		 3281qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3282 struct net_device *dev, unsigned long event)
af19b491
AKS		 3283{
3284 struct in_device *indev;
af19b491 3285
af19b491
AKS		 3286 indev = in_dev_get(dev);
3287 if (!indev)
3288 return;
3289
3290 for_ifa(indev) {
3291 switch (event) {
3292 case NETDEV_UP:
3293 qlcnic_config_ipaddr(adapter,
3294 ifa->ifa_address, QLCNIC_IP_UP);
3295 break;
3296 case NETDEV_DOWN:
3297 qlcnic_config_ipaddr(adapter,
3298 ifa->ifa_address, QLCNIC_IP_DOWN);
3299 break;
3300 default:
3301 break;
3302 }
3303 } endfor_ifa(indev);
3304
3305 in_dev_put(indev);
af19b491
AKS		 3306}
3307
319ecf12 3308void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3309{
3310 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3311 struct net_device *dev;
3312 u16 vid;
3313
3314 qlcnic_config_indev_addr(adapter, netdev, event);
3315
43c00a75 3316 rcu_read_lock();
b9796a14 3317 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3318 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3319 if (!dev)
3320 continue;
aec1e845
AKS		 3321 qlcnic_config_indev_addr(adapter, dev, event);
3322 }
43c00a75 3323 rcu_read_unlock();
aec1e845
AKS		 3324}
3325
af19b491
AKS		 3326static int qlcnic_netdev_event(struct notifier_block *this,
3327 unsigned long event, void *ptr)
3328{
3329 struct qlcnic_adapter *adapter;
3330 struct net_device *dev = (struct net_device *)ptr;
3331
3332recheck:
3333 if (dev == NULL)
3334 goto done;
3335
3336 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3337 dev = vlan_dev_real_dev(dev);
3338 goto recheck;
3339 }
3340
3341 if (!is_qlcnic_netdev(dev))
3342 goto done;
3343
3344 adapter = netdev_priv(dev);
3345
3346 if (!adapter)
3347 goto done;
3348
8a15ad1f 3349 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3350 goto done;
3351
aec1e845 3352 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3353done:
3354 return NOTIFY_DONE;
3355}
3356
3357static int
3358qlcnic_inetaddr_event(struct notifier_block *this,
3359 unsigned long event, void *ptr)
3360{
3361 struct qlcnic_adapter *adapter;
3362 struct net_device *dev;
3363
3364 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3365
3366 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3367
3368recheck:
aec1e845 3369 if (dev == NULL)
af19b491
AKS		 3370 goto done;
3371
3372 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3373 dev = vlan_dev_real_dev(dev);
3374 goto recheck;
3375 }
3376
3377 if (!is_qlcnic_netdev(dev))
3378 goto done;
3379
3380 adapter = netdev_priv(dev);
3381
251a84c9 3382 if (!adapter)
af19b491
AKS		 3383 goto done;
3384
8a15ad1f 3385 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3386 goto done;
3387
3388 switch (event) {
3389 case NETDEV_UP:
3390 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3391
af19b491
AKS		 3392 break;
3393 case NETDEV_DOWN:
3394 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3395
af19b491
AKS		 3396 break;
3397 default:
3398 break;
3399 }
3400
3401done:
3402 return NOTIFY_DONE;
3403}
3404
3405static struct notifier_block qlcnic_netdev_cb = {
3406 .notifier_call = qlcnic_netdev_event,
3407};
3408
3409static struct notifier_block qlcnic_inetaddr_cb = {
3410 .notifier_call = qlcnic_inetaddr_event,
3411};
3412#else
f8ca2b6f 3413void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3414{ }
3415#endif
fec9dd15 3416static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3417 .error_detected = qlcnic_io_error_detected,
3418 .slot_reset = qlcnic_io_slot_reset,
3419 .resume = qlcnic_io_resume,
3420};
af19b491
AKS		 3421
3422static struct pci_driver qlcnic_driver = {
3423 .name = qlcnic_driver_name,
3424 .id_table = qlcnic_pci_tbl,
3425 .probe = qlcnic_probe,
6bb58bb0 3426 .remove = qlcnic_remove,
af19b491
AKS		 3427#ifdef CONFIG_PM
3428 .suspend = qlcnic_suspend,
3429 .resume = qlcnic_resume,
3430#endif
451724c8
SC		 3431 .shutdown = qlcnic_shutdown,
3432 .err_handler = &qlcnic_err_handler
3433
af19b491
AKS		 3434};
3435
3436static int __init qlcnic_init_module(void)
3437{
0cf3a14c 3438 int ret;
af19b491
AKS		 3439
3440 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3441
3442#ifdef CONFIG_INET
3443 register_netdevice_notifier(&qlcnic_netdev_cb);
3444 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3445#endif
3446
0cf3a14c
AKS		 3447 ret = pci_register_driver(&qlcnic_driver);
3448 if (ret) {
3449#ifdef CONFIG_INET
3450 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3451 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3452#endif
3453 }
af19b491 3454
0cf3a14c 3455 return ret;
af19b491
AKS		 3456}
3457
3458module_init(qlcnic_init_module);
3459
3460static void __exit qlcnic_exit_module(void)
3461{
af19b491
AKS		 3462 pci_unregister_driver(&qlcnic_driver);
3463
3464#ifdef CONFIG_INET
3465 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3466 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3467#endif
3468}
3469
3470module_exit(qlcnic_exit_module);
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