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qlcnic: Updates to QLogic application/driver interface for virtual NIC configuration
[deliverable/linux.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"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
9fd13331 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
9fd13331 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
9fd13331 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
9fd13331 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
1dd06ae8 55static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 56static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 57static int qlcnic_open(struct net_device *netdev);
58static int qlcnic_close(struct net_device *netdev);
af19b491 59static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 60static void qlcnic_attach_work(struct work_struct *work);
61static void qlcnic_fwinit_work(struct work_struct *work);
af19b491
AKS		 62#ifdef CONFIG_NET_POLL_CONTROLLER
63static void qlcnic_poll_controller(struct net_device *netdev);
64#endif
65
6df900e9 66static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
af19b491
AKS		 67static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
68
7eb9855d 69static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 70static irqreturn_t qlcnic_intr(int irq, void *data);
71static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 73static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 74
75static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 76static int qlcnic_start_firmware(struct qlcnic_adapter *);
77
b5e5492c 78static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 79static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 80static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 81static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 83
21041400 84static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
85static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
86static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
87static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
88static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
89static void qlcnic_82xx_io_resume(struct pci_dev *);
90static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
91static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
92 pci_channel_state_t);
13159183
SC		 93static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
94{
95 struct qlcnic_hardware_context *ahw = adapter->ahw;
96
97 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
98 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
99 else
100 return 1;
101}
102
af19b491
AKS		 103/* PCI Device ID Table */
104#define ENTRY(device) \
105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
107
6a902881 108static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
15ca140f
MC		 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
af19b491
AKS		 114 {0,}
115};
116
117MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
118
119
5ad6ff9d 120inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 121{
122 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 123}
124
125static const u32 msi_tgt_status[8] = {
126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
130};
131
7e2cf4fe
SC		 132static const u32 qlcnic_reg_tbl[] = {
133 0x1B20A8, /* PEG_HALT_STAT1 */
134 0x1B20AC, /* PEG_HALT_STAT2 */
135 0x1B20B0, /* FW_HEARTBEAT */
136 0x1B2100, /* LOCK ID */
137 0x1B2128, /* FW_CAPABILITIES */
138 0x1B2138, /* drv active */
139 0x1B2140, /* dev state */
140 0x1B2144, /* drv state */
141 0x1B2148, /* drv scratch */
142 0x1B214C, /* dev partition info */
143 0x1B2174, /* drv idc ver */
144 0x1B2150, /* fw version major */
145 0x1B2154, /* fw version minor */
146 0x1B2158, /* fw version sub */
147 0x1B219C, /* npar state */
148 0x1B21FC, /* FW_IMG_VALID */
149 0x1B2250, /* CMD_PEG_STATE */
150 0x1B233C, /* RCV_PEG_STATE */
151 0x1B23B4, /* ASIC TEMP */
152 0x1B216C, /* FW api */
153 0x1B2170, /* drv op mode */
154 0x13C010, /* flash lock */
155 0x13C014, /* flash unlock */
156};
157
22999798 158static const struct qlcnic_board_info qlcnic_boards[] = {
15ca140f
MC		 159 { PCI_VENDOR_ID_QLOGIC,
160 PCI_DEVICE_ID_QLOGIC_QLE844X,
161 0x0,
162 0x0,
163 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
e386cd4a
HM		 164 { PCI_VENDOR_ID_QLOGIC,
165 PCI_DEVICE_ID_QLOGIC_QLE834X,
166 PCI_VENDOR_ID_QLOGIC,
167 0x24e,
168 "8300 Series Dual Port 10GbE Converged Network Adapter "
169 "(TCP/IP Networking)" },
170 { PCI_VENDOR_ID_QLOGIC,
171 PCI_DEVICE_ID_QLOGIC_QLE834X,
172 PCI_VENDOR_ID_QLOGIC,
173 0x243,
174 "8300 Series Single Port 10GbE Converged Network Adapter "
175 "(TCP/IP Networking)" },
176 { PCI_VENDOR_ID_QLOGIC,
177 PCI_DEVICE_ID_QLOGIC_QLE834X,
178 PCI_VENDOR_ID_QLOGIC,
179 0x24a,
180 "8300 Series Dual Port 10GbE Converged Network Adapter "
181 "(TCP/IP Networking)" },
182 { PCI_VENDOR_ID_QLOGIC,
183 PCI_DEVICE_ID_QLOGIC_QLE834X,
184 PCI_VENDOR_ID_QLOGIC,
185 0x246,
186 "8300 Series Dual Port 10GbE Converged Network Adapter "
187 "(TCP/IP Networking)" },
188 { PCI_VENDOR_ID_QLOGIC,
189 PCI_DEVICE_ID_QLOGIC_QLE834X,
190 PCI_VENDOR_ID_QLOGIC,
191 0x252,
192 "8300 Series Dual Port 10GbE Converged Network Adapter "
193 "(TCP/IP Networking)" },
194 { PCI_VENDOR_ID_QLOGIC,
195 PCI_DEVICE_ID_QLOGIC_QLE834X,
196 PCI_VENDOR_ID_QLOGIC,
197 0x26e,
198 "8300 Series Dual Port 10GbE Converged Network Adapter "
199 "(TCP/IP Networking)" },
200 { PCI_VENDOR_ID_QLOGIC,
201 PCI_DEVICE_ID_QLOGIC_QLE834X,
202 PCI_VENDOR_ID_QLOGIC,
203 0x260,
204 "8300 Series Dual Port 10GbE Converged Network Adapter "
205 "(TCP/IP Networking)" },
206 { PCI_VENDOR_ID_QLOGIC,
207 PCI_DEVICE_ID_QLOGIC_QLE834X,
208 PCI_VENDOR_ID_QLOGIC,
209 0x266,
210 "8300 Series Single Port 10GbE Converged Network Adapter "
211 "(TCP/IP Networking)" },
212 { PCI_VENDOR_ID_QLOGIC,
213 PCI_DEVICE_ID_QLOGIC_QLE834X,
214 PCI_VENDOR_ID_QLOGIC,
215 0x269,
216 "8300 Series Dual Port 10GbE Converged Network Adapter "
217 "(TCP/IP Networking)" },
218 { PCI_VENDOR_ID_QLOGIC,
219 PCI_DEVICE_ID_QLOGIC_QLE834X,
220 PCI_VENDOR_ID_QLOGIC,
221 0x271,
222 "8300 Series Dual Port 10GbE Converged Network Adapter "
223 "(TCP/IP Networking)" },
224 { PCI_VENDOR_ID_QLOGIC,
225 PCI_DEVICE_ID_QLOGIC_QLE834X,
226 0x0, 0x0, "8300 Series 1/10GbE Controller" },
227 { PCI_VENDOR_ID_QLOGIC,
228 PCI_DEVICE_ID_QLOGIC_QLE824X,
229 PCI_VENDOR_ID_QLOGIC,
230 0x203,
231 "8200 Series Single Port 10GbE Converged Network Adapter"
232 "(TCP/IP Networking)" },
233 { PCI_VENDOR_ID_QLOGIC,
234 PCI_DEVICE_ID_QLOGIC_QLE824X,
235 PCI_VENDOR_ID_QLOGIC,
236 0x207,
237 "8200 Series Dual Port 10GbE Converged Network Adapter"
238 "(TCP/IP Networking)" },
239 { PCI_VENDOR_ID_QLOGIC,
240 PCI_DEVICE_ID_QLOGIC_QLE824X,
241 PCI_VENDOR_ID_QLOGIC,
242 0x20b,
243 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
244 { PCI_VENDOR_ID_QLOGIC,
245 PCI_DEVICE_ID_QLOGIC_QLE824X,
246 PCI_VENDOR_ID_QLOGIC,
247 0x20c,
248 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
249 { PCI_VENDOR_ID_QLOGIC,
250 PCI_DEVICE_ID_QLOGIC_QLE824X,
251 PCI_VENDOR_ID_QLOGIC,
252 0x20f,
253 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
254 { PCI_VENDOR_ID_QLOGIC,
255 PCI_DEVICE_ID_QLOGIC_QLE824X,
256 0x103c, 0x3733,
257 "NC523SFP 10Gb 2-port Server Adapter" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 0x103c, 0x3346,
261 "CN1000Q Dual Port Converged Network Adapter" },
262 { PCI_VENDOR_ID_QLOGIC,
263 PCI_DEVICE_ID_QLOGIC_QLE824X,
264 PCI_VENDOR_ID_QLOGIC,
265 0x210,
266 "QME8242-k 10GbE Dual Port Mezzanine Card" },
267 { PCI_VENDOR_ID_QLOGIC,
268 PCI_DEVICE_ID_QLOGIC_QLE824X,
269 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 270};
271
272#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
273
af19b491
AKS		 274static const
275struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
276
c70001a9 277int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 278{
279 int size = sizeof(struct qlcnic_host_sds_ring) * count;
280
281 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
282
807540ba 283 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 284}
285
c70001a9 286void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 287{
288 if (recv_ctx->sds_rings != NULL)
289 kfree(recv_ctx->sds_rings);
290
291 recv_ctx->sds_rings = NULL;
292}
293
f8468331 294int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 295{
af19b491
AKS		 296 struct net_device *netdev = adapter->netdev;
297 struct pci_dev *pdev = adapter->pdev;
07a251c8
SS		 298 u8 mac_addr[ETH_ALEN];
299 int ret;
af19b491 300
07a251c8
SS		 301 ret = qlcnic_get_mac_address(adapter, mac_addr,
302 adapter->ahw->pci_func);
303 if (ret)
304 return ret;
af19b491 305
2e9d722d 306 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 307 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
308
309 /* set station address */
310
aaeb6cdf 311 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 312 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
313 netdev->dev_addr);
314
315 return 0;
316}
317
cffe52f3
MC		 318static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
319{
154d0c81 320 struct qlcnic_mac_vlan_list *cur;
cffe52f3
MC		 321 struct list_head *head;
322
323 list_for_each(head, &adapter->mac_list) {
154d0c81 324 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
6878f79a 325 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
cffe52f3
MC		 326 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
327 0, QLCNIC_MAC_DEL);
328 list_del(&cur->list);
329 kfree(cur);
330 return;
331 }
332 }
333}
334
af19b491
AKS		 335static int qlcnic_set_mac(struct net_device *netdev, void *p)
336{
337 struct qlcnic_adapter *adapter = netdev_priv(netdev);
338 struct sockaddr *addr = p;
339
7cb03b23
RB		 340 if (qlcnic_sriov_vf_check(adapter))
341 return -EINVAL;
342
7373373d
RB		 343 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
344 return -EOPNOTSUPP;
345
af19b491 346 if (!is_valid_ether_addr(addr->sa_data))
13159183 347 return -EINVAL;
af19b491 348
6878f79a 349 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
cffe52f3
MC		 350 return 0;
351
8a15ad1f 352 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 353 netif_device_detach(netdev);
354 qlcnic_napi_disable(adapter);
355 }
356
cffe52f3 357 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 358 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
359 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
360 qlcnic_set_multi(adapter->netdev);
361
8a15ad1f 362 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 363 netif_device_attach(netdev);
364 qlcnic_napi_enable(adapter);
365 }
366 return 0;
367}
368
1690be63
VY		 369static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
370 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 371{
372 struct qlcnic_adapter *adapter = netdev_priv(netdev);
373 int err = -EOPNOTSUPP;
374
3e5c112f
VY		 375 if (!adapter->fdb_mac_learn)
376 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 377
378 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
52e493d0
JK		 379 if (is_unicast_ether_addr(addr)) {
380 err = dev_uc_del(netdev, addr);
381 if (!err)
382 err = qlcnic_nic_del_mac(adapter, addr);
383 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 384 err = dev_mc_del(netdev, addr);
52e493d0 385 } else {
fe1adc6b 386 err = -EINVAL;
52e493d0 387 }
fe1adc6b
JK		 388 }
389 return err;
390}
391
392static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
393 struct net_device *netdev,
394 const unsigned char *addr, u16 flags)
395{
396 struct qlcnic_adapter *adapter = netdev_priv(netdev);
397 int err = 0;
398
3e5c112f
VY		 399 if (!adapter->fdb_mac_learn)
400 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 401
402 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
403 pr_info("%s: FDB e-switch is not enabled\n", __func__);
404 return -EOPNOTSUPP;
405 }
406
407 if (ether_addr_equal(addr, adapter->mac_addr))
408 return err;
409
52e493d0
JK		 410 if (is_unicast_ether_addr(addr)) {
411 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
412 err = dev_uc_add_excl(netdev, addr);
413 else
414 err = -ENOMEM;
415 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 416 err = dev_mc_add_excl(netdev, addr);
52e493d0 417 } else {
fe1adc6b 418 err = -EINVAL;
52e493d0 419 }
fe1adc6b
JK		 420
421 return err;
422}
423
424static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
425 struct net_device *netdev, int idx)
426{
427 struct qlcnic_adapter *adapter = netdev_priv(netdev);
428
3e5c112f
VY		 429 if (!adapter->fdb_mac_learn)
430 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 431
432 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
433 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
434
435 return idx;
436}
437
7e2cf4fe
SC		 438static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
439{
440 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
441 usleep_range(10000, 11000);
442
66451615
SC		 443 if (!adapter->fw_work.work.func)
444 return;
445
7e2cf4fe
SC		 446 cancel_delayed_work_sync(&adapter->fw_work);
447}
448
07a251c8
SS		 449static int qlcnic_get_phys_port_id(struct net_device *netdev,
450 struct netdev_phys_port_id *ppid)
451{
452 struct qlcnic_adapter *adapter = netdev_priv(netdev);
453 struct qlcnic_hardware_context *ahw = adapter->ahw;
454
455 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
456 return -EOPNOTSUPP;
457
458 ppid->id_len = sizeof(ahw->phys_port_id);
459 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
460
461 return 0;
462}
463
af19b491
AKS		 464static const struct net_device_ops qlcnic_netdev_ops = {
465 .ndo_open = qlcnic_open,
466 .ndo_stop = qlcnic_close,
467 .ndo_start_xmit = qlcnic_xmit_frame,
468 .ndo_get_stats = qlcnic_get_stats,
469 .ndo_validate_addr = eth_validate_addr,
afc4b13d 470 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 471 .ndo_set_mac_address = qlcnic_set_mac,
472 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 473 .ndo_fix_features = qlcnic_fix_features,
474 .ndo_set_features = qlcnic_set_features,
af19b491 475 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 476 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
477 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 478 .ndo_fdb_add = qlcnic_fdb_add,
479 .ndo_fdb_del = qlcnic_fdb_del,
480 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 481 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
af19b491
AKS		 482#ifdef CONFIG_NET_POLL_CONTROLLER
483 .ndo_poll_controller = qlcnic_poll_controller,
484#endif
4000e7a7
RB		 485#ifdef CONFIG_QLCNIC_SRIOV
486 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
487 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
488 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 489 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 490 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 491#endif
af19b491
AKS		 492};
493
b43e5ee7
SC		 494static const struct net_device_ops qlcnic_netdev_failed_ops = {
495 .ndo_open = qlcnic_open,
496};
497
2e9d722d 498static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 499 .config_bridged_mode = qlcnic_config_bridged_mode,
500 .config_led = qlcnic_82xx_config_led,
501 .start_firmware = qlcnic_82xx_start_firmware,
502 .request_reset = qlcnic_82xx_dev_request_reset,
503 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
504 .napi_add = qlcnic_82xx_napi_add,
4be41e92 505 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 506 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 507 .shutdown = qlcnic_82xx_shutdown,
508 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 509 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
510};
511
512struct qlcnic_nic_template qlcnic_vf_ops = {
513 .config_bridged_mode = qlcnicvf_config_bridged_mode,
514 .config_led = qlcnicvf_config_led,
515 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 516};
517
7e2cf4fe
SC		 518static struct qlcnic_hardware_ops qlcnic_hw_ops = {
519 .read_crb = qlcnic_82xx_read_crb,
520 .write_crb = qlcnic_82xx_write_crb,
521 .read_reg = qlcnic_82xx_hw_read_wx_2M,
522 .write_reg = qlcnic_82xx_hw_write_wx_2M,
523 .get_mac_address = qlcnic_82xx_get_mac_address,
524 .setup_intr = qlcnic_82xx_setup_intr,
525 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
526 .mbx_cmd = qlcnic_82xx_issue_cmd,
527 .get_func_no = qlcnic_82xx_get_func_no,
528 .api_lock = qlcnic_82xx_api_lock,
529 .api_unlock = qlcnic_82xx_api_unlock,
530 .add_sysfs = qlcnic_82xx_add_sysfs,
531 .remove_sysfs = qlcnic_82xx_remove_sysfs,
532 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
533 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
534 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 535 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
536 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 537 .setup_link_event = qlcnic_82xx_linkevent_request,
538 .get_nic_info = qlcnic_82xx_get_nic_info,
539 .get_pci_info = qlcnic_82xx_get_pci_info,
540 .set_nic_info = qlcnic_82xx_set_nic_info,
541 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
542 .napi_enable = qlcnic_82xx_napi_enable,
543 .napi_disable = qlcnic_82xx_napi_disable,
544 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
545 .config_rss = qlcnic_82xx_config_rss,
546 .config_hw_lro = qlcnic_82xx_config_hw_lro,
547 .config_loopback = qlcnic_82xx_set_lb_mode,
548 .clear_loopback = qlcnic_82xx_clear_lb_mode,
549 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
550 .change_l2_filter = qlcnic_82xx_change_filter,
551 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 552 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 553 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 554 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 555 .io_error_detected = qlcnic_82xx_io_error_detected,
556 .io_slot_reset = qlcnic_82xx_io_slot_reset,
557 .io_resume = qlcnic_82xx_io_resume,
a0431589 558 .get_beacon_state = qlcnic_82xx_get_beacon_state,
2cc5752e
M		 559 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
560 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
561 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
562 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
225837a0
SS		 563 .get_saved_state = qlcnic_82xx_get_saved_state,
564 .set_saved_state = qlcnic_82xx_set_saved_state,
565 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
566 .get_cap_size = qlcnic_82xx_get_cap_size,
567 .set_sys_info = qlcnic_82xx_set_sys_info,
568 .store_cap_mask = qlcnic_82xx_store_cap_mask,
2e9d722d
AC		 569};
570
34e8c406 571static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
012ec812
HM		 572{
573 struct qlcnic_hardware_context *ahw = adapter->ahw;
012ec812 574
34e8c406 575 if (qlcnic_82xx_check(adapter) &&
012ec812 576 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
34e8c406
HM		 577 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
578 return 0;
012ec812 579 } else {
34e8c406 580 return 1;
012ec812
HM		 581 }
582}
583
34e8c406
HM		 584static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
585 int queue_type)
586{
587 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
588
589 if (queue_type == QLCNIC_RX_QUEUE)
590 max_rings = adapter->max_sds_rings;
591 else if (queue_type == QLCNIC_TX_QUEUE)
592 max_rings = adapter->max_tx_rings;
593
594 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
595 max_rings));
596
597 if (ring_cnt > num_rings)
598 return num_rings;
599 else
600 return ring_cnt;
601}
602
603void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
604{
605 /* 83xx adapter does not have max_tx_rings intialized in probe */
606 if (adapter->max_tx_rings)
607 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
608 QLCNIC_TX_QUEUE);
609 else
610 adapter->drv_tx_rings = tx_cnt;
34e8c406
HM		 611}
612
613void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
614{
615 /* 83xx adapter does not have max_sds_rings intialized in probe */
616 if (adapter->max_sds_rings)
617 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
618 QLCNIC_RX_QUEUE);
619 else
620 adapter->drv_sds_rings = rx_cnt;
34e8c406
HM		 621}
622
cb9327d5 623int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
af19b491 624{
af19b491 625 struct pci_dev *pdev = adapter->pdev;
cb9327d5
HM		 626 int num_msix = 0, err = 0, vector;
627
628 adapter->flags &= ~QLCNIC_TSS_RSS;
629
630 if (adapter->drv_tss_rings > 0)
631 num_msix += adapter->drv_tss_rings;
632 else
633 num_msix += adapter->drv_tx_rings;
634
635 if (adapter->drv_rss_rings > 0)
636 num_msix += adapter->drv_rss_rings;
637 else
638 num_msix += adapter->drv_sds_rings;
639
640 if (qlcnic_83xx_check(adapter))
641 num_msix += 1;
642
643 if (!adapter->msix_entries) {
644 adapter->msix_entries = kcalloc(num_msix,
645 sizeof(struct msix_entry),
646 GFP_KERNEL);
647 if (!adapter->msix_entries)
648 return -ENOMEM;
649 }
650
651restore:
652 for (vector = 0; vector < num_msix; vector++)
653 adapter->msix_entries[vector].entry = vector;
654
655 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
656 if (err == 0) {
657 adapter->ahw->num_msix = num_msix;
658 if (adapter->drv_tss_rings > 0)
659 adapter->drv_tx_rings = adapter->drv_tss_rings;
da6c8063 660
cb9327d5
HM		 661 if (adapter->drv_rss_rings > 0)
662 adapter->drv_sds_rings = adapter->drv_rss_rings;
da6c8063 663 } else {
cb9327d5
HM		 664 netdev_info(adapter->netdev,
665 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
666 num_msix, err);
667
668 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
669
670 /* Set rings to 0 so we can restore original TSS/RSS count */
671 adapter->drv_tss_rings = 0;
672 adapter->drv_rss_rings = 0;
673
674 if (qlcnic_83xx_check(adapter))
675 num_msix += 1;
676
677 netdev_info(adapter->netdev,
678 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
679 adapter->drv_tx_rings, adapter->drv_sds_rings,
680 num_msix);
681 goto restore;
682
683 err = -EIO;
da6c8063 684 }
13159183 685
cb9327d5
HM		 686 return err;
687}
688
689int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
690{
691 struct pci_dev *pdev = adapter->pdev;
74a1fa45 692 int err, vector;
cb9327d5 693
13159183
SC		 694 if (!adapter->msix_entries) {
695 adapter->msix_entries = kcalloc(num_msix,
696 sizeof(struct msix_entry),
697 GFP_KERNEL);
b2adaca9 698 if (!adapter->msix_entries)
13159183 699 return -ENOMEM;
13159183 700 }
af19b491 701
af19b491 702 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 703
79788450 704 if (adapter->ahw->msix_supported) {
cb9327d5
HM		 705enable_msix:
706 for (vector = 0; vector < num_msix; vector++)
707 adapter->msix_entries[vector].entry = vector;
708
9732ec06
AG		 709 err = pci_enable_msix_range(pdev,
710 adapter->msix_entries, 1, num_msix);
711
712 if (err == num_msix) {
af19b491 713 adapter->flags |= QLCNIC_MSIX_ENABLED;
cb9327d5 714 adapter->ahw->num_msix = num_msix;
af19b491 715 dev_info(&pdev->dev, "using msi-x interrupts\n");
74a1fa45 716 return 0;
13159183 717 } else if (err > 0) {
9732ec06
AG		 718 pci_disable_msix(pdev);
719
13159183 720 dev_info(&pdev->dev,
cb9327d5
HM		 721 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
722 num_msix, err);
723
724 if (qlcnic_82xx_check(adapter)) {
13159183 725 num_msix = rounddown_pow_of_two(err);
cb9327d5 726 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
74a1fa45 727 return -ENOSPC;
13159183 728 } else {
cb9327d5
HM		 729 num_msix = rounddown_pow_of_two(err - 1);
730 num_msix += 1;
731 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
74a1fa45 732 return -ENOSPC;
cb9327d5
HM		 733 }
734
735 if (qlcnic_82xx_check(adapter) &&
736 !qlcnic_check_multi_tx(adapter)) {
737 adapter->drv_sds_rings = num_msix;
738 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
739 } else {
740 /* Distribute vectors equally */
741 adapter->drv_tx_rings = num_msix / 2;
742 adapter->drv_sds_rings = adapter->drv_tx_rings;
13159183
SC		 743 }
744
745 if (num_msix) {
746 dev_info(&pdev->dev,
dce056cb 747 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 748 num_msix);
f94bc1e7 749 goto enable_msix;
13159183
SC		 750 }
751 } else {
dce056cb 752 dev_info(&pdev->dev,
cb9327d5
HM		 753 "Unable to allocate %d MSI-X vectors, err=%d\n",
754 num_msix, err);
755 return err;
f94bc1e7
SC		 756 }
757 }
13159183 758
74a1fa45 759 return -EIO;
f94bc1e7 760}
af19b491 761
cb9327d5
HM		 762static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
763{
764 int num_msix;
765
766 num_msix = adapter->drv_sds_rings;
767
768 if (qlcnic_check_multi_tx(adapter))
769 num_msix += adapter->drv_tx_rings;
770 else
771 num_msix += QLCNIC_SINGLE_RING;
772
773 return num_msix;
774}
775
9a97e705 776static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 777{
9a97e705 778 int err = 0;
15087c2b 779 u32 offset, mask_reg;
f94bc1e7 780 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 781 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 782 struct pci_dev *pdev = adapter->pdev;
af19b491 783
099f7aa7 784 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 785 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 786 offset = msi_tgt_status[adapter->ahw->pci_func];
787 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
788 offset);
af19b491
AKS		 789 dev_info(&pdev->dev, "using msi interrupts\n");
790 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 791 return err;
af19b491 792 }
012ec812 793
9a97e705
M		 794 if (qlcnic_use_msi || qlcnic_use_msi_x)
795 return -EOPNOTSUPP;
af19b491 796
f94bc1e7 797 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 798 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 799 offset = legacy_intrp->tgt_status_reg;
800 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
801 mask_reg = legacy_intrp->tgt_mask_reg;
802 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
803 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
804 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 805 dev_info(&pdev->dev, "using legacy interrupts\n");
806 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 807 return err;
af19b491
AKS		 808}
809
21041400 810static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
f94bc1e7 811{
9a97e705 812 int num_msix, err = 0;
f94bc1e7 813
cb9327d5
HM		 814 if (adapter->flags & QLCNIC_TSS_RSS) {
815 err = qlcnic_setup_tss_rss_intr(adapter);
816 if (err < 0)
817 return err;
818 num_msix = adapter->ahw->num_msix;
819 } else {
820 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
f94bc1e7 821
cb9327d5
HM		 822 err = qlcnic_enable_msix(adapter, num_msix);
823 if (err == -ENOMEM)
824 return err;
f94bc1e7 825
cb9327d5
HM		 826 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
827 qlcnic_disable_multi_tx(adapter);
012ec812 828
cb9327d5
HM		 829 err = qlcnic_enable_msi_legacy(adapter);
830 if (!err)
831 return err;
832 }
012ec812
HM		 833 }
834
835 return 0;
836}
837
838int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
839{
840 struct qlcnic_hardware_context *ahw = adapter->ahw;
841 int err, i;
842
843 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 844 !ahw->diag_test &&
012ec812
HM		 845 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
846 ahw->intr_tbl = vzalloc(ahw->num_msix *
847 sizeof(struct qlcnic_intrpt_config));
848 if (!ahw->intr_tbl)
849 return -ENOMEM;
850
851 for (i = 0; i < ahw->num_msix; i++) {
852 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
853 ahw->intr_tbl[i].id = i;
854 ahw->intr_tbl[i].src = 0;
855 }
856
857 err = qlcnic_82xx_config_intrpt(adapter, 1);
858 if (err)
859 dev_err(&adapter->pdev->dev,
860 "Failed to configure Interrupt for %d vector\n",
861 ahw->num_msix);
9a97e705 862 return err;
012ec812 863 }
9a97e705 864
012ec812 865 return 0;
f94bc1e7 866}
13159183 867
319ecf12 868void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 869{
870 if (adapter->flags & QLCNIC_MSIX_ENABLED)
871 pci_disable_msix(adapter->pdev);
872 if (adapter->flags & QLCNIC_MSI_ENABLED)
873 pci_disable_msi(adapter->pdev);
13159183
SC		 874
875 kfree(adapter->msix_entries);
876 adapter->msix_entries = NULL;
877
878 if (adapter->ahw->intr_tbl) {
879 vfree(adapter->ahw->intr_tbl);
880 adapter->ahw->intr_tbl = NULL;
881 }
af19b491
AKS		 882}
883
f1a094a8 884static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 885{
f1a094a8
RB		 886 if (ahw->pci_base0 != NULL)
887 iounmap(ahw->pci_base0);
af19b491
AKS		 888}
889
7e2cf4fe
SC		 890static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
891{
2f514c52 892 struct qlcnic_hardware_context *ahw = adapter->ahw;
7e2cf4fe
SC		 893 struct qlcnic_pci_info *pci_info;
894 int ret;
895
896 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
2f514c52 897 switch (ahw->port_type) {
7e2cf4fe 898 case QLCNIC_GBE:
2f514c52 899 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
7e2cf4fe
SC		 900 break;
901 case QLCNIC_XGBE:
2f514c52 902 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
7e2cf4fe
SC		 903 break;
904 }
905 return 0;
906 }
907
2f514c52 908 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
7e2cf4fe
SC		 909 return 0;
910
2f514c52 911 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
7e2cf4fe
SC		 912 if (!pci_info)
913 return -ENOMEM;
914
915 ret = qlcnic_get_pci_info(adapter, pci_info);
916 kfree(pci_info);
917 return ret;
918}
d71170fb 919
35dafcb0
SC		 920static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
921{
922 bool ret = false;
923
924 if (qlcnic_84xx_check(adapter)) {
925 ret = true;
926 } else if (qlcnic_83xx_check(adapter)) {
927 if (adapter->ahw->extra_capability[0] &
928 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
929 ret = true;
930 else
931 ret = false;
932 }
933
934 return ret;
935}
936
d71170fb 937int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 938{
2f514c52 939 struct qlcnic_hardware_context *ahw = adapter->ahw;
e88db3bd 940 struct qlcnic_pci_info *pci_info;
4c776aad 941 int i, id = 0, ret = 0, j = 0;
bff57d8e 942 u16 act_pci_func;
346fe763
RB		 943 u8 pfn;
944
2f514c52 945 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
e88db3bd
DC		 946 if (!pci_info)
947 return -ENOMEM;
948
bff57d8e
SC		 949 ret = qlcnic_get_pci_info(adapter, pci_info);
950 if (ret)
951 goto err_pci_info;
952
2f514c52 953 act_pci_func = ahw->total_nic_func;
bff57d8e 954
ca315ac2 955 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 956 act_pci_func, GFP_KERNEL);
e88db3bd 957 if (!adapter->npars) {
900853a4 958 ret = -ENOMEM;
e88db3bd
DC		 959 goto err_pci_info;
960 }
346fe763 961
ca315ac2 962 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 963 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
964 if (!adapter->eswitch) {
900853a4 965 ret = -ENOMEM;
ca315ac2 966 goto err_npars;
346fe763
RB		 967 }
968
2f514c52 969 for (i = 0; i < ahw->max_vnic_func; i++) {
ca315ac2 970 pfn = pci_info[i].id;
bff57d8e 971
2f514c52 972 if (pfn >= ahw->max_vnic_func) {
f848d6dd
SC		 973 ret = QL_STATUS_INVALID_PARAM;
974 goto err_eswitch;
975 }
bff57d8e
SC		 976
977 if (!pci_info[i].active ||
978 (pci_info[i].type != QLCNIC_TYPE_NIC))
979 continue;
980
35dafcb0 981 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 982 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
983 &id))
35dafcb0
SC		 984 adapter->npars[j].eswitch_status = true;
985 else
986 continue;
987 } else {
988 adapter->npars[j].eswitch_status = true;
989 }
990
bff57d8e
SC		 991 adapter->npars[j].pci_func = pfn;
992 adapter->npars[j].active = (u8)pci_info[i].active;
993 adapter->npars[j].type = (u8)pci_info[i].type;
994 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
995 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
996 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 997
9e630955 998 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 999 j++;
346fe763
RB		 1000 }
1001
4c776aad
SC		 1002 /* Update eSwitch status for adapters without per port eSwitch
1003 * configuration capability
1004 */
1005 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 1006 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1007 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 1008 }
ca315ac2 1009
e88db3bd 1010 kfree(pci_info);
ca315ac2
DC		 1011 return 0;
1012
1013err_eswitch:
346fe763
RB		 1014 kfree(adapter->eswitch);
1015 adapter->eswitch = NULL;
ca315ac2 1016err_npars:
346fe763 1017 kfree(adapter->npars);
ca315ac2 1018 adapter->npars = NULL;
e88db3bd
DC		 1019err_pci_info:
1020 kfree(pci_info);
346fe763
RB		 1021
1022 return ret;
1023}
1024
2e9d722d
AC		 1025static int
1026qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1027{
1028 u8 id;
7e8fd003 1029 int ret;
2e9d722d 1030 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 1031 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 1032
2e9d722d
AC		 1033 ret = qlcnic_api_lock(adapter);
1034 if (ret)
1035 goto err_lock;
2e9d722d 1036
7e8fd003
SS		 1037 id = ahw->pci_func;
1038 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1039 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1040 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 1041 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 1042 qlcnic_api_unlock(adapter);
1043err_lock:
1044 return ret;
1045}
1046
13159183
SC		 1047static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1048 const struct pci_device_id *ent)
2e9d722d 1049{
2e9d722d
AC		 1050 u32 op_mode, priv_level;
1051
1052 /* Determine FW API version */
13159183
SC		 1053 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1054 QLCNIC_FW_API);
2e9d722d
AC		 1055
1056 /* Find PCI function number */
13159183 1057 qlcnic_get_func_no(adapter);
2e9d722d
AC		 1058
1059 /* Determine function privilege level */
13159183 1060 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 1061 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 1062 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 1063 else
b1fc6d3c 1064 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 1065
0866d96d 1066 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 1067 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 1068 dev_info(&adapter->pdev->dev,
1069 "HAL Version: %d Non Privileged function\n",
79788450 1070 adapter->ahw->fw_hal_version);
9f26f547 1071 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 1072 } else
1073 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 1074}
1075
15087c2b 1076#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 1077#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 1078static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1079{
1080 switch (dev_id) {
1081 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1082 *bar = QLCNIC_82XX_BAR0_LENGTH;
1083 break;
13159183 1084 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 1085 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 1086 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 1087 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 1088 *bar = QLCNIC_83XX_BAR0_LENGTH;
1089 break;
15087c2b
SC		 1090 default:
1091 *bar = 0;
1092 }
1093}
1094
1095static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1096 struct qlcnic_hardware_context *ahw)
af19b491 1097{
15087c2b 1098 u32 offset;
af19b491 1099 void __iomem *mem_ptr0 = NULL;
15087c2b 1100 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 1101
af19b491 1102 /* remap phys address */
af19b491
AKS		 1103 mem_len = pci_resource_len(pdev, 0);
1104
15087c2b
SC		 1105 qlcnic_get_bar_length(pdev->device, &bar0_len);
1106 if (mem_len >= bar0_len) {
af19b491
AKS		 1107
1108 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1109 if (mem_ptr0 == NULL) {
1110 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1111 return -EIO;
1112 }
1113 pci_len0 = mem_len;
1114 } else {
1115 return -EIO;
1116 }
1117
f8468331 1118 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1119
15087c2b
SC		 1120 ahw->pci_base0 = mem_ptr0;
1121 ahw->pci_len0 = pci_len0;
1122 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1123 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1124
1125 return 0;
1126}
1127
60dcbcb0
MC		 1128static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1129 int index)
2343f06a
MC		 1130{
1131 struct pci_dev *pdev = adapter->pdev;
1132 unsigned short subsystem_vendor;
1133 bool ret = true;
1134
1135 subsystem_vendor = pdev->subsystem_vendor;
1136
1137 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1138 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1139 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1140 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1141 ret = true;
1142 else
1143 ret = false;
1144 }
1145
1146 return ret;
1147}
1148
22999798 1149static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1150{
1151 struct pci_dev *pdev = adapter->pdev;
1152 int i, found = 0;
1153
1154 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1155 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1156 qlcnic_boards[i].device == pdev->device &&
1157 qlcnic_validate_subsystem_id(adapter, i)) {
1158 found = 1;
1159 break;
af19b491 1160 }
af19b491
AKS		 1161 }
1162
1163 if (!found)
7f9a0c34 1164 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1165 else
1166 sprintf(name, "%pM: %s" , adapter->mac_addr,
1167 qlcnic_boards[i].short_name);
af19b491
AKS		 1168}
1169
1170static void
1171qlcnic_check_options(struct qlcnic_adapter *adapter)
1172{
a15ebd37 1173 int err;
031a4a26 1174 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1175 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1176 struct qlcnic_hardware_context *ahw = adapter->ahw;
1177 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1178
1179 prev_fw_version = adapter->fw_version;
af19b491 1180
a15ebd37
HM		 1181 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1182 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1183 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1184
1185 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1186
a15ebd37
HM		 1187 err = qlcnic_get_board_info(adapter);
1188 if (err) {
1189 dev_err(&pdev->dev, "Error getting board config info.\n");
1190 return;
1191 }
1192 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1193 if (fw_dump->tmpl_hdr == NULL ||
1194 adapter->fw_version > prev_fw_version) {
1195 if (fw_dump->tmpl_hdr)
1196 vfree(fw_dump->tmpl_hdr);
1197 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1198 dev_info(&pdev->dev,
1199 "Supports FW dump capability\n");
1200 }
1201 }
1202
13159183
SC		 1203 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1204 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1205
b1fc6d3c 1206 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1207 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1208 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1209 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1210 } else {
1211 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1212 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1213 }
1214
af19b491 1215 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1216 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1217
b1fc6d3c 1218 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1219 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1220 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1221 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1222 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1223 }
1224
099f7aa7 1225 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1226
1227 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1228
251b036a 1229 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1230}
1231
174240a8
RB		 1232static int
1233qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1234{
174240a8 1235 struct qlcnic_info nic_info;
4bd8e738 1236 int err = 0;
174240a8 1237
bff57d8e 1238 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1239 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1240 if (err)
1241 return err;
1242
79788450
SC		 1243 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1244 adapter->ahw->switch_mode = nic_info.switch_mode;
1245 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1246 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1247 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1248
1249 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1250 u32 temp;
4bd8e738
HM		 1251 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1252 if (err == -EIO)
1253 return err;
db131786 1254 adapter->ahw->extra_capability[0] = temp;
d6994ca7
SS		 1255 } else {
1256 adapter->ahw->extra_capability[0] = 0;
776e7bde 1257 }
d6994ca7 1258
79788450
SC		 1259 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1260 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1261
34e8c406 1262 if (adapter->ahw->capabilities & BIT_6) {
174240a8 1263 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
34e8c406
HM		 1264 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1265 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1266 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1267
1268 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1269 } else {
1270 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1271 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
f9566265 1272 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
174240a8 1273 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
34e8c406 1274 }
174240a8
RB		 1275
1276 return err;
1277}
1278
ec079a07
SC		 1279void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1280 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1281{
1282 if (esw_cfg->discard_tagged)
1283 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1284 else
1285 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1286
91b7282b
RB		 1287 if (esw_cfg->vlan_id) {
1288 adapter->rx_pvid = esw_cfg->vlan_id;
1289 adapter->tx_pvid = esw_cfg->vlan_id;
1290 } else {
1291 adapter->rx_pvid = 0;
1292 adapter->tx_pvid = 0;
1293 }
8cf61f89
AKS		 1294}
1295
8e586137 1296static int
80d5c368 1297qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1298{
1299 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1300 int err;
1301
1302 if (qlcnic_sriov_vf_check(adapter)) {
1303 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1304 if (err) {
1305 netdev_err(netdev,
1306 "Cannot add VLAN filter for VLAN id %d, err=%d",
1307 vid, err);
1308 return err;
1309 }
1310 }
1311
b9796a14 1312 set_bit(vid, adapter->vlans);
8e586137 1313 return 0;
b9796a14
AC		 1314}
1315
8e586137 1316static int
80d5c368 1317qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1318{
1319 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1320 int err;
1321
1322 if (qlcnic_sriov_vf_check(adapter)) {
1323 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1324 if (err) {
1325 netdev_err(netdev,
1326 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1327 vid, err);
1328 return err;
1329 }
1330 }
b9796a14
AC		 1331
1332 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1333 clear_bit(vid, adapter->vlans);
8e586137 1334 return 0;
b9796a14
AC		 1335}
1336
ec079a07
SC		 1337void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1338 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1339{
ee07c1a7
RB		 1340 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1341 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1342
1343 if (esw_cfg->mac_anti_spoof)
1344 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1345
7373373d
RB		 1346 if (!esw_cfg->mac_override)
1347 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1348
ee07c1a7
RB		 1349 if (!esw_cfg->promisc_mode)
1350 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1351}
1352
d71170fb 1353int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1354{
1355 struct qlcnic_esw_func_cfg esw_cfg;
1356
1357 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1358 return 0;
1359
b1fc6d3c 1360 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1361 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1362 return -EIO;
8cf61f89 1363 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1364 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1365 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1366
1367 return 0;
1368}
1369
147a9088
SS		 1370void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1371 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1372{
1373 struct net_device *netdev = adapter->netdev;
13159183
SC		 1374
1375 if (qlcnic_83xx_check(adapter))
1376 return;
0325d69b 1377
147a9088
SS		 1378 adapter->offload_flags = esw_cfg->offload_flags;
1379 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1380 netdev_update_features(netdev);
1381 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1382}
1383
0866d96d
AC		 1384static int
1385qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1386{
0866d96d
AC		 1387 u32 op_mode, priv_level;
1388 int err = 0;
1389
174240a8
RB		 1390 err = qlcnic_initialize_nic(adapter);
1391 if (err)
1392 return err;
1393
0866d96d
AC		 1394 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1395 return 0;
1396
13159183 1397 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1398 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1399
1400 if (op_mode == QLC_DEV_DRV_DEFAULT)
1401 priv_level = QLCNIC_MGMT_FUNC;
1402 else
b1fc6d3c 1403 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1404
174240a8 1405 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1406 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1407 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1408 err = qlcnic_init_pci_info(adapter);
1409 if (err)
1410 return err;
1411 /* Set privilege level for other functions */
1412 qlcnic_set_function_modes(adapter);
1413 dev_info(&adapter->pdev->dev,
1414 "HAL Version: %d, Management function\n",
79788450 1415 adapter->ahw->fw_hal_version);
0866d96d 1416 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1417 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1418 dev_info(&adapter->pdev->dev,
1419 "HAL Version: %d, Privileged function\n",
79788450 1420 adapter->ahw->fw_hal_version);
0866d96d 1421 }
34e8c406
HM		 1422 } else {
1423 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
174240a8 1424 }
0866d96d
AC		 1425
1426 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1427
1428 return err;
1429}
1430
d71170fb 1431int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1432{
1433 struct qlcnic_esw_func_cfg esw_cfg;
1434 struct qlcnic_npar_info *npar;
1435 u8 i;
1436
174240a8 1437 if (adapter->need_fw_reset)
0325d69b
RB		 1438 return 0;
1439
2f514c52 1440 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
35dafcb0
SC		 1441 if (!adapter->npars[i].eswitch_status)
1442 continue;
1443
0325d69b 1444 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1445 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1446 esw_cfg.mac_override = BIT_0;
ee07c1a7 1447 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1448 if (qlcnic_82xx_check(adapter)) {
1449 esw_cfg.offload_flags = BIT_0;
1450 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1451 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1452 }
0325d69b
RB		 1453 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1454 return -EIO;
1455 npar = &adapter->npars[i];
1456 npar->pvid = esw_cfg.vlan_id;
7373373d 1457 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1458 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1459 npar->discard_tagged = esw_cfg.discard_tagged;
1460 npar->promisc_mode = esw_cfg.promisc_mode;
1461 npar->offload_flags = esw_cfg.offload_flags;
1462 }
1463
1464 return 0;
1465}
1466
13159183 1467
4e8acb01
RB		 1468static int
1469qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1470 struct qlcnic_npar_info *npar, int pci_func)
1471{
1472 struct qlcnic_esw_func_cfg esw_cfg;
1473 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1474 esw_cfg.pci_func = pci_func;
1475 esw_cfg.vlan_id = npar->pvid;
7373373d 1476 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1477 esw_cfg.discard_tagged = npar->discard_tagged;
1478 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1479 esw_cfg.offload_flags = npar->offload_flags;
1480 esw_cfg.promisc_mode = npar->promisc_mode;
1481 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1482 return -EIO;
1483
1484 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1485 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1486 return -EIO;
1487
1488 return 0;
1489}
1490
d71170fb 1491int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1492{
4e8acb01 1493 int i, err;
cea8975e
AC		 1494 struct qlcnic_npar_info *npar;
1495 struct qlcnic_info nic_info;
bff57d8e 1496 u8 pci_func;
cea8975e 1497
bff57d8e
SC		 1498 if (qlcnic_82xx_check(adapter))
1499 if (!adapter->need_fw_reset)
1500 return 0;
cea8975e 1501
4e8acb01 1502 /* Set the NPAR config data after FW reset */
2f514c52 1503 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
4e8acb01 1504 npar = &adapter->npars[i];
bff57d8e 1505 pci_func = npar->pci_func;
35dafcb0
SC		 1506 if (!adapter->npars[i].eswitch_status)
1507 continue;
1508
bff57d8e 1509 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1510 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1511 if (err)
1512 return err;
1513 nic_info.min_tx_bw = npar->min_bw;
1514 nic_info.max_tx_bw = npar->max_bw;
1515 err = qlcnic_set_nic_info(adapter, &nic_info);
1516 if (err)
1517 return err;
cea8975e 1518
4e8acb01
RB		 1519 if (npar->enable_pm) {
1520 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1521 npar->dest_npar, 1,
1522 pci_func);
4e8acb01
RB		 1523 if (err)
1524 return err;
cea8975e 1525 }
bff57d8e 1526 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1527 if (err)
1528 return err;
cea8975e 1529 }
4e8acb01 1530 return 0;
cea8975e
AC		 1531}
1532
78f84e1a
AKS		 1533static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1534{
1535 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1536 u32 npar_state;
1537
79788450 1538 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1539 return 0;
1540
a15ebd37
HM		 1541 npar_state = QLC_SHARED_REG_RD32(adapter,
1542 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1543 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1544 msleep(1000);
a15ebd37
HM		 1545 npar_state = QLC_SHARED_REG_RD32(adapter,
1546 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1547 }
1548 if (!npar_opt_timeo) {
1549 dev_err(&adapter->pdev->dev,
8a168ca7 1550 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1551 return -EIO;
1552 }
1553 return 0;
1554}
1555
174240a8
RB		 1556static int
1557qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1558{
1559 int err;
1560
1561 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1562 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1563 return 0;
1564
1565 err = qlcnic_set_default_offload_settings(adapter);
1566 if (err)
1567 return err;
1568
1569 err = qlcnic_reset_npar_config(adapter);
1570 if (err)
1571 return err;
1572
1573 qlcnic_dev_set_npar_ready(adapter);
1574
1575 return err;
1576}
1577
21041400 1578static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1579{
d4066833 1580 int err;
af19b491 1581
aa5e18c0
SC		 1582 err = qlcnic_can_start_firmware(adapter);
1583 if (err < 0)
1584 return err;
1585 else if (!err)
d4066833 1586 goto check_fw_status;
af19b491 1587
099f7aa7 1588 if (qlcnic_load_fw_file)
4d5bdb38 1589 qlcnic_request_firmware(adapter);
8f891387 1590 else {
8cfdce08
SC		 1591 err = qlcnic_check_flash_fw_ver(adapter);
1592 if (err)
8f891387 1593 goto err_out;
1594
79788450 1595 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1596 }
af19b491
AKS		 1597
1598 err = qlcnic_need_fw_reset(adapter);
af19b491 1599 if (err == 0)
4e70812b 1600 goto check_fw_status;
af19b491 1601
d4066833
SC		 1602 err = qlcnic_pinit_from_rom(adapter);
1603 if (err)
1604 goto err_out;
af19b491
AKS		 1605
1606 err = qlcnic_load_firmware(adapter);
1607 if (err)
1608 goto err_out;
1609
1610 qlcnic_release_firmware(adapter);
d4066833 1611 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1612
d4066833
SC		 1613check_fw_status:
1614 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1615 if (err)
1616 goto err_out;
1617
a15ebd37 1618 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1619 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1620 err = qlcnic_check_eswitch_mode(adapter);
1621 if (err) {
1622 dev_err(&adapter->pdev->dev,
1623 "Memory allocation failed for eswitch\n");
1624 goto err_out;
1625 }
174240a8
RB		 1626 err = qlcnic_set_mgmt_operations(adapter);
1627 if (err)
1628 goto err_out;
1629
1630 qlcnic_check_options(adapter);
af19b491
AKS		 1631 adapter->need_fw_reset = 0;
1632
a7fc948f
AKS		 1633 qlcnic_release_firmware(adapter);
1634 return 0;
af19b491
AKS		 1635
1636err_out:
a15ebd37 1637 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1638 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1639
af19b491
AKS		 1640 qlcnic_release_firmware(adapter);
1641 return err;
1642}
1643
1644static int
1645qlcnic_request_irq(struct qlcnic_adapter *adapter)
1646{
1647 irq_handler_t handler;
1648 struct qlcnic_host_sds_ring *sds_ring;
13159183 1649 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1650 int err, ring, num_sds_rings;
af19b491
AKS		 1651
1652 unsigned long flags = 0;
1653 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1654 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1655
79788450 1656 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1657 if (qlcnic_82xx_check(adapter))
1658 handler = qlcnic_tmp_intr;
c2534384
MC		 1659 else
1660 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1661 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1662 flags |= IRQF_SHARED;
1663
1664 } else {
1665 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1666 handler = qlcnic_msix_intr;
1667 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1668 handler = qlcnic_msi_intr;
1669 else {
1670 flags |= IRQF_SHARED;
ac166700
HM		 1671 if (qlcnic_82xx_check(adapter))
1672 handler = qlcnic_intr;
1673 else
1674 handler = qlcnic_83xx_intr;
7eb9855d 1675 }
af19b491
AKS		 1676 }
1677 adapter->irq = netdev->irq;
1678
13159183 1679 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1680 if (qlcnic_82xx_check(adapter) ||
1681 (qlcnic_83xx_check(adapter) &&
1682 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1683 num_sds_rings = adapter->drv_sds_rings;
ddb2e174 1684 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1685 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1686 if (qlcnic_82xx_check(adapter) &&
012ec812 1687 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1688 (ring == (num_sds_rings - 1))) {
1689 if (!(adapter->flags &
1690 QLCNIC_MSIX_ENABLED))
1691 snprintf(sds_ring->name,
1692 sizeof(sds_ring->name),
1693 "qlcnic");
1694 else
1695 snprintf(sds_ring->name,
1696 sizeof(sds_ring->name),
1697 "%s-tx-0-rx-%d",
1698 netdev->name, ring);
1699 } else {
ddb2e174
HM		 1700 snprintf(sds_ring->name,
1701 sizeof(sds_ring->name),
aa2a8034 1702 "%s-rx-%d",
ddb2e174 1703 netdev->name, ring);
aa2a8034 1704 }
ac166700
HM		 1705 err = request_irq(sds_ring->irq, handler, flags,
1706 sds_ring->name, sds_ring);
1707 if (err)
1708 return err;
1709 }
13159183 1710 }
012ec812
HM		 1711 if ((qlcnic_82xx_check(adapter) &&
1712 qlcnic_check_multi_tx(adapter)) ||
1713 (qlcnic_83xx_check(adapter) &&
1714 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1715 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183 1716 handler = qlcnic_msix_tx_intr;
34e8c406 1717 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1718 ring++) {
1719 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1720 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1721 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1722 err = request_irq(tx_ring->irq, handler, flags,
1723 tx_ring->name, tx_ring);
1724 if (err)
1725 return err;
1726 }
1727 }
af19b491 1728 }
af19b491
AKS		 1729 return 0;
1730}
1731
1732static void
1733qlcnic_free_irq(struct qlcnic_adapter *adapter)
1734{
1735 int ring;
1736 struct qlcnic_host_sds_ring *sds_ring;
13159183 1737 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1738
b1fc6d3c 1739 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1740
13159183 1741 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1742 if (qlcnic_82xx_check(adapter) ||
1743 (qlcnic_83xx_check(adapter) &&
1744 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1745 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
ac166700
HM		 1746 sds_ring = &recv_ctx->sds_rings[ring];
1747 free_irq(sds_ring->irq, sds_ring);
1748 }
13159183 1749 }
012ec812
HM		 1750 if ((qlcnic_83xx_check(adapter) &&
1751 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1752 (qlcnic_82xx_check(adapter) &&
1753 qlcnic_check_multi_tx(adapter))) {
34e8c406 1754 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1755 ring++) {
1756 tx_ring = &adapter->tx_ring[ring];
1757 if (tx_ring->irq)
1758 free_irq(tx_ring->irq, tx_ring);
1759 }
1760 }
af19b491
AKS		 1761 }
1762}
1763
99e85879
SS		 1764static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1765{
1766 u32 capab = 0;
1767
1768 if (qlcnic_82xx_check(adapter)) {
db131786 1769 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1770 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1771 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1772 } else {
1773 capab = adapter->ahw->capabilities;
1774 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1775 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1776 }
1777}
1778
a514722a
HM		 1779static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1780{
1781 struct qlcnic_hardware_context *ahw = adapter->ahw;
1782 int err;
1783
1784 /* Initialize interrupt coalesce parameters */
1785 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1786
1787 if (qlcnic_83xx_check(adapter)) {
1788 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1789 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1790 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1791 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1792 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1793
1794 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1795 } else {
1796 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1797 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1798 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1799
1800 err = qlcnic_82xx_set_rx_coalesce(adapter);
1801 }
1802
1803 return err;
1804}
1805
319ecf12 1806int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1807{
8a15ad1f
AKS		 1808 int ring;
1809 struct qlcnic_host_rds_ring *rds_ring;
1810
af19b491
AKS		 1811 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1812 return -EIO;
1813
8a15ad1f
AKS		 1814 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1815 return 0;
012ec812 1816
0325d69b
RB		 1817 if (qlcnic_set_eswitch_port_config(adapter))
1818 return -EIO;
012ec812 1819
99e85879 1820 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1821
8a15ad1f
AKS		 1822 if (qlcnic_fw_create_ctx(adapter))
1823 return -EIO;
1824
1825 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1826 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1827 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1828 }
1829
af19b491
AKS		 1830 qlcnic_set_multi(netdev);
1831 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1832
b1fc6d3c 1833 adapter->ahw->linkup = 0;
af19b491 1834
34e8c406 1835 if (adapter->drv_sds_rings > 1)
af19b491
AKS		 1836 qlcnic_config_rss(adapter, 1);
1837
a514722a 1838 qlcnic_config_def_intr_coalesce(adapter);
af19b491 1839
24763d80 1840 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1841 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1842
cfacb172 1843 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1844 qlcnic_napi_enable(adapter);
1845
1846 qlcnic_linkevent_request(adapter, 1);
1847
79788450 1848 adapter->ahw->reset_context = 0;
060d0564 1849 netif_tx_start_all_queues(netdev);
af19b491
AKS		 1850 return 0;
1851}
1852
629263ac 1853int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1854{
1855 int err = 0;
1856
1857 rtnl_lock();
1858 if (netif_running(netdev))
1859 err = __qlcnic_up(adapter, netdev);
1860 rtnl_unlock();
1861
1862 return err;
1863}
1864
319ecf12 1865void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1866{
012ec812
HM		 1867 int ring;
1868
af19b491
AKS		 1869 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1870 return;
1871
1872 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1873 return;
1874
e8b508ef
RB		 1875 if (qlcnic_sriov_vf_check(adapter))
1876 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1877 smp_mb();
af19b491 1878 netif_carrier_off(netdev);
0a46bac0 1879 adapter->ahw->linkup = 0;
af19b491
AKS		 1880 netif_tx_disable(netdev);
1881
1882 qlcnic_free_mac_list(adapter);
1883
b5e5492c
AKS		 1884 if (adapter->fhash.fnum)
1885 qlcnic_delete_lb_filters(adapter);
1886
af19b491
AKS		 1887 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1888
1889 qlcnic_napi_disable(adapter);
1890
8a15ad1f 1891 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1892 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1893
1894 qlcnic_reset_rx_buffers_list(adapter);
012ec812 1895
34e8c406 1896 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
012ec812 1897 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1898}
1899
1900/* Usage: During suspend and firmware recovery module */
1901
629263ac 1902void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1903{
1904 rtnl_lock();
1905 if (netif_running(netdev))
1906 __qlcnic_down(adapter, netdev);
1907 rtnl_unlock();
1908
1909}
1910
319ecf12 1911int
af19b491
AKS		 1912qlcnic_attach(struct qlcnic_adapter *adapter)
1913{
1914 struct net_device *netdev = adapter->netdev;
1915 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1916 int err;
af19b491
AKS		 1917
1918 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1919 return 0;
1920
af19b491
AKS		 1921 err = qlcnic_napi_add(adapter, netdev);
1922 if (err)
1923 return err;
1924
1925 err = qlcnic_alloc_sw_resources(adapter);
1926 if (err) {
1927 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1928 goto err_out_napi_del;
af19b491
AKS		 1929 }
1930
1931 err = qlcnic_alloc_hw_resources(adapter);
1932 if (err) {
1933 dev_err(&pdev->dev, "Error in setting hw resources\n");
1934 goto err_out_free_sw;
1935 }
1936
af19b491
AKS		 1937 err = qlcnic_request_irq(adapter);
1938 if (err) {
1939 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1940 goto err_out_free_hw;
af19b491
AKS		 1941 }
1942
af19b491
AKS		 1943 qlcnic_create_sysfs_entries(adapter);
1944
1945 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1946 return 0;
1947
8a15ad1f 1948err_out_free_hw:
af19b491
AKS		 1949 qlcnic_free_hw_resources(adapter);
1950err_out_free_sw:
1951 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1952err_out_napi_del:
1953 qlcnic_napi_del(adapter);
af19b491
AKS		 1954 return err;
1955}
1956
319ecf12 1957void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1958{
1959 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1960 return;
1961
1962 qlcnic_remove_sysfs_entries(adapter);
1963
1964 qlcnic_free_hw_resources(adapter);
1965 qlcnic_release_rx_buffers(adapter);
1966 qlcnic_free_irq(adapter);
1967 qlcnic_napi_del(adapter);
1968 qlcnic_free_sw_resources(adapter);
1969
1970 adapter->is_up = 0;
1971}
1972
34e8c406 1973void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
7eb9855d
AKS		 1974{
1975 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1976 struct qlcnic_host_sds_ring *sds_ring;
34e8c406 1977 int drv_tx_rings = adapter->drv_tx_rings;
7eb9855d
AKS		 1978 int ring;
1979
78ad3892 1980 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1981 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 1982 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 1983 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 1984 qlcnic_disable_sds_intr(adapter, sds_ring);
cdaff185 1985 }
7eb9855d
AKS		 1986 }
1987
8a15ad1f
AKS		 1988 qlcnic_fw_destroy_ctx(adapter);
1989
7eb9855d
AKS		 1990 qlcnic_detach(adapter);
1991
79788450 1992 adapter->ahw->diag_test = 0;
34e8c406
HM		 1993 adapter->drv_sds_rings = drv_sds_rings;
1994 adapter->drv_tx_rings = drv_tx_rings;
7eb9855d
AKS		 1995
1996 if (qlcnic_attach(adapter))
34ce3626 1997 goto out;
7eb9855d
AKS		 1998
1999 if (netif_running(netdev))
2000 __qlcnic_up(adapter, netdev);
34ce3626 2001out:
7eb9855d
AKS		 2002 netif_device_attach(netdev);
2003}
2004
b1fc6d3c
AC		 2005static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2006{
2007 int err = 0;
be273dc1 2008
b1fc6d3c
AC		 2009 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2010 GFP_KERNEL);
2011 if (!adapter->recv_ctx) {
b1fc6d3c 2012 err = -ENOMEM;
8816d009 2013 goto err_out;
b1fc6d3c 2014 }
a514722a 2015
4be41e92
SC		 2016 /* clear stats */
2017 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 2018err_out:
2019 return err;
2020}
2021
2022static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2023{
2024 kfree(adapter->recv_ctx);
2025 adapter->recv_ctx = NULL;
2026
18f2f616
AC		 2027 if (adapter->ahw->fw_dump.tmpl_hdr) {
2028 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2029 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2030 }
4be41e92 2031
81d0aeb0 2032 kfree(adapter->ahw->reset.buff);
4be41e92 2033 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 2034}
2035
7eb9855d
AKS		 2036int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2037{
2038 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2039 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 2040 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 2041 int ring;
2042 int ret;
2043
2044 netif_device_detach(netdev);
2045
2046 if (netif_running(netdev))
2047 __qlcnic_down(adapter, netdev);
2048
2049 qlcnic_detach(adapter);
2050
34e8c406 2051 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
79788450 2052 adapter->ahw->diag_test = test;
4be41e92 2053 adapter->ahw->linkup = 0;
7eb9855d
AKS		 2054
2055 ret = qlcnic_attach(adapter);
34ce3626
AKS		 2056 if (ret) {
2057 netif_device_attach(netdev);
7eb9855d 2058 return ret;
34ce3626 2059 }
7eb9855d 2060
8a15ad1f
AKS		 2061 ret = qlcnic_fw_create_ctx(adapter);
2062 if (ret) {
2063 qlcnic_detach(adapter);
57e46248 2064 netif_device_attach(netdev);
8a15ad1f
AKS		 2065 return ret;
2066 }
2067
2068 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 2069 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 2070 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 2071 }
2072
79788450 2073 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2074 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2075 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2076 qlcnic_enable_sds_intr(adapter, sds_ring);
cdaff185 2077 }
7eb9855d 2078 }
22c8c934 2079
79788450 2080 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 2081 adapter->ahw->loopback_state = 0;
2082 qlcnic_linkevent_request(adapter, 1);
2083 }
2084
78ad3892 2085 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 2086
2087 return 0;
2088}
2089
68bf1c68
AKS		 2090/* Reset context in hardware only */
2091static int
2092qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2093{
2094 struct net_device *netdev = adapter->netdev;
2095
2096 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2097 return -EBUSY;
2098
2099 netif_device_detach(netdev);
2100
2101 qlcnic_down(adapter, netdev);
2102
2103 qlcnic_up(adapter, netdev);
2104
2105 netif_device_attach(netdev);
2106
2107 clear_bit(__QLCNIC_RESETTING, &adapter->state);
95b3890a 2108 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
68bf1c68
AKS		 2109 return 0;
2110}
2111
af19b491
AKS		 2112int
2113qlcnic_reset_context(struct qlcnic_adapter *adapter)
2114{
2115 int err = 0;
2116 struct net_device *netdev = adapter->netdev;
2117
2118 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2119 return -EBUSY;
2120
2121 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2122
2123 netif_device_detach(netdev);
2124
2125 if (netif_running(netdev))
2126 __qlcnic_down(adapter, netdev);
2127
2128 qlcnic_detach(adapter);
2129
2130 if (netif_running(netdev)) {
2131 err = qlcnic_attach(adapter);
1d5c88e3 2132 if (!err) {
34ce3626 2133 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 2134 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2135 }
af19b491
AKS		 2136 }
2137
2138 netif_device_attach(netdev);
2139 }
2140
af19b491
AKS		 2141 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2142 return err;
2143}
2144
21041400 2145static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
52e493d0
JK		 2146{
2147 struct qlcnic_hardware_context *ahw = adapter->ahw;
2f514c52 2148 u16 act_pci_fn = ahw->total_nic_func;
52e493d0
JK		 2149 u16 count;
2150
2151 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2152 if (act_pci_fn <= 2)
2153 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2154 act_pci_fn;
2155 else
2156 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2157 act_pci_fn;
2158 ahw->max_uc_count = count;
2159}
2160
f8468331 2161int
5ad6ff9d
SC		 2162qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2163 int pci_using_dac)
af19b491
AKS		 2164{
2165 int err;
2166 struct pci_dev *pdev = adapter->pdev;
2167
13159183 2168 adapter->rx_csum = 1;
79788450 2169 adapter->ahw->mc_enabled = 0;
52e493d0 2170 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2171
2172 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2173 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2174
2175 qlcnic_change_mtu(netdev, netdev->mtu);
2176
d1a1105e
RB		 2177 if (qlcnic_sriov_vf_check(adapter))
2178 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2179 else
2180 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 2181
7e38d04b 2182 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2183 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2184 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2185 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2186 NETIF_F_IPV6_CSUM);
ac8d0c4f 2187
13159183
SC		 2188 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2189 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2190 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2191 }
af19b491 2192
13159183
SC		 2193 if (pci_using_dac) {
2194 netdev->features |= NETIF_F_HIGHDMA;
2195 netdev->vlan_features |= NETIF_F_HIGHDMA;
2196 }
af19b491 2197
13159183 2198 if (qlcnic_vlan_tx_check(adapter))
f646968f 2199 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2200
91b7282b
RB		 2201 if (qlcnic_sriov_vf_check(adapter))
2202 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2203
13159183
SC		 2204 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2205 netdev->features |= NETIF_F_LRO;
135d84a9 2206
7e38d04b 2207 netdev->hw_features = netdev->features;
52e493d0 2208 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2209 netdev->irq = adapter->msix_entries[0].vector;
2210
aa4a1f7d
HM		 2211 err = qlcnic_set_real_num_queues(adapter, netdev);
2212 if (err)
2213 return err;
012ec812 2214
af19b491
AKS		 2215 err = register_netdev(netdev);
2216 if (err) {
2217 dev_err(&pdev->dev, "failed to register net device\n");
2218 return err;
2219 }
2220
1de899d3 2221 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
48365e48 2222
af19b491
AKS		 2223 return 0;
2224}
2225
5ad6ff9d 2226static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2227{
2228 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2229 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2230 *pci_using_dac = 1;
2231 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2232 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2233 *pci_using_dac = 0;
2234 else {
2235 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2236 return -EIO;
2237 }
2238
2239 return 0;
2240}
2241
4be41e92
SC		 2242void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2243{
2244 int ring;
2245 struct qlcnic_host_tx_ring *tx_ring;
2246
34e8c406 2247 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2248 tx_ring = &adapter->tx_ring[ring];
2249 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2250 vfree(tx_ring->cmd_buf_arr);
2251 tx_ring->cmd_buf_arr = NULL;
2252 }
2253 }
2254 if (adapter->tx_ring != NULL)
2255 kfree(adapter->tx_ring);
2256}
2257
2258int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2259 struct net_device *netdev)
2260{
b2adaca9 2261 int ring, vector, index;
4be41e92
SC		 2262 struct qlcnic_host_tx_ring *tx_ring;
2263 struct qlcnic_cmd_buffer *cmd_buf_arr;
2264
34e8c406 2265 tx_ring = kcalloc(adapter->drv_tx_rings,
b2adaca9
JP		 2266 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2267 if (tx_ring == NULL)
4be41e92 2268 return -ENOMEM;
b2adaca9 2269
4be41e92
SC		 2270 adapter->tx_ring = tx_ring;
2271
34e8c406 2272 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2273 tx_ring = &adapter->tx_ring[ring];
2274 tx_ring->num_desc = adapter->num_txd;
2275 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2276 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2277 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2278 qlcnic_free_tx_rings(adapter);
2279 return -ENOMEM;
2280 }
2281 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2282 tx_ring->cmd_buf_arr = cmd_buf_arr;
a02bdd42 2283 spin_lock_init(&tx_ring->tx_clean_lock);
4be41e92
SC		 2284 }
2285
012ec812
HM		 2286 if (qlcnic_83xx_check(adapter) ||
2287 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
34e8c406 2288 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2289 tx_ring = &adapter->tx_ring[ring];
2290 tx_ring->adapter = adapter;
2291 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
34e8c406 2292 index = adapter->drv_sds_rings + ring;
4be41e92
SC		 2293 vector = adapter->msix_entries[index].vector;
2294 tx_ring->irq = vector;
2295 }
2296 }
2297 }
012ec812 2298
4be41e92
SC		 2299 return 0;
2300}
2301
8af3f33d
PP		 2302void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2303{
2304 struct qlcnic_hardware_context *ahw = adapter->ahw;
2305 u32 fw_cmd = 0;
2306
2307 if (qlcnic_82xx_check(adapter))
2308 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2309 else if (qlcnic_83xx_check(adapter))
2310 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2311
d6994ca7 2312 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2313 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2314}
2315
6bb58bb0 2316static int
af19b491
AKS		 2317qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2318{
2319 struct net_device *netdev = NULL;
2320 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2321 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2322 int err, pci_using_dac = -1;
7bc48646 2323 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2324
f8468331
RB		 2325 if (pdev->is_virtfn)
2326 return -ENODEV;
2327
af19b491
AKS		 2328 err = pci_enable_device(pdev);
2329 if (err)
2330 return err;
2331
2332 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2333 err = -ENODEV;
2334 goto err_out_disable_pdev;
2335 }
2336
1bb09fb9
AKS		 2337 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2338 if (err)
2339 goto err_out_disable_pdev;
2340
af19b491
AKS		 2341 err = pci_request_regions(pdev, qlcnic_driver_name);
2342 if (err)
2343 goto err_out_disable_pdev;
2344
2345 pci_set_master(pdev);
451724c8 2346 pci_enable_pcie_error_reporting(pdev);
af19b491 2347
7e2cf4fe 2348 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2349 if (!ahw) {
2350 err = -ENOMEM;
7e2cf4fe 2351 goto err_out_free_res;
02135582 2352 }
7e2cf4fe 2353
f8468331
RB		 2354 switch (ent->device) {
2355 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2356 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2357 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2358 break;
2359 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2360 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2361 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2362 break;
2363 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2364 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2365 qlcnic_sriov_vf_register_map(ahw);
2366 break;
2367 default:
13159183 2368 goto err_out_free_hw_res;
7e2cf4fe
SC		 2369 }
2370
2371 err = qlcnic_setup_pci_map(pdev, ahw);
2372 if (err)
2373 goto err_out_free_hw_res;
2374
012ec812
HM		 2375 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2376 QLCNIC_MAX_TX_RINGS);
af19b491 2377 if (!netdev) {
af19b491 2378 err = -ENOMEM;
7e2cf4fe 2379 goto err_out_iounmap;
af19b491
AKS		 2380 }
2381
2382 SET_NETDEV_DEV(netdev, &pdev->dev);
2383
2384 adapter = netdev_priv(netdev);
2385 adapter->netdev = netdev;
2386 adapter->pdev = pdev;
13159183
SC		 2387 adapter->ahw = ahw;
2388
2389 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2390 if (adapter->qlcnic_wq == NULL) {
02135582 2391 err = -ENOMEM;
13159183
SC		 2392 dev_err(&pdev->dev, "Failed to create workqueue\n");
2393 goto err_out_free_netdev;
2394 }
af19b491 2395
2dfc9671
PST		 2396 err = qlcnic_alloc_adapter_resources(adapter);
2397 if (err)
2b1f18a4 2398 goto err_out_free_wq;
b1fc6d3c
AC		 2399
2400 adapter->dev_rst_time = jiffies;
2f514c52
JK		 2401 ahw->revision_id = pdev->revision;
2402 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
fe1adc6b
JK		 2403 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2404 adapter->fdb_mac_learn = true;
2405 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2406 adapter->drv_mac_learn = true;
af19b491 2407
b1fc6d3c
AC		 2408 rwlock_init(&adapter->ahw->crb_lock);
2409 mutex_init(&adapter->ahw->mem_lock);
af19b491 2410
af19b491
AKS		 2411 INIT_LIST_HEAD(&adapter->mac_list);
2412
14d385b9
SC		 2413 qlcnic_register_dcb(adapter);
2414
7e2cf4fe 2415 if (qlcnic_82xx_check(adapter)) {
13159183 2416 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2417 adapter->portnum = adapter->ahw->pci_func;
2418 err = qlcnic_start_firmware(adapter);
2419 if (err) {
66451615
SC		 2420 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2421 "\t\tIf reboot doesn't help, try flashing the card\n");
2422 goto err_out_maintenance_mode;
7e2cf4fe 2423 }
af19b491 2424
34e8c406
HM		 2425 /* compute and set default and max tx/sds rings */
2426 if (adapter->ahw->msix_supported) {
2427 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2428 qlcnic_set_tx_ring_count(adapter,
2429 QLCNIC_SINGLE_RING);
2430 else
2431 qlcnic_set_tx_ring_count(adapter,
2432 QLCNIC_DEF_TX_RINGS);
2433 qlcnic_set_sds_ring_count(adapter,
2434 QLCNIC_DEF_SDS_RINGS);
2435 } else {
2436 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2437 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
012ec812
HM		 2438 }
2439
7e2cf4fe
SC		 2440 err = qlcnic_setup_idc_param(adapter);
2441 if (err)
2442 goto err_out_free_hw;
b0044bcf 2443
7e2cf4fe 2444 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2445
13159183
SC		 2446 } else if (qlcnic_83xx_check(adapter)) {
2447 qlcnic_83xx_check_vf(adapter, ent);
2448 adapter->portnum = adapter->ahw->pci_func;
f8468331 2449 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac 2450 if (err) {
78ea2d97
SC		 2451 switch (err) {
2452 case -ENOTRECOVERABLE:
2453 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n");
2454 dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n");
2455 goto err_out_free_hw;
2456 case -ENOMEM:
2457 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2458 goto err_out_free_hw;
2459 default:
2460 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2461 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2462 goto err_out_maintenance_mode;
2463 }
629263ac 2464 }
78ea2d97 2465
f8468331
RB		 2466 if (qlcnic_sriov_vf_check(adapter))
2467 return 0;
13159183
SC		 2468 } else {
2469 dev_err(&pdev->dev,
2470 "%s: failed. Please Reboot\n", __func__);
2471 goto err_out_free_hw;
a7fc948f 2472 }
af19b491 2473
3c44bba1
SC		 2474 qlcnic_dcb_enable(adapter->dcb);
2475
da48e6c3
RB		 2476 if (qlcnic_read_mac_addr(adapter))
2477 dev_warn(&pdev->dev, "failed to read mac addr\n");
2478
07a251c8
SS		 2479 qlcnic_read_phys_port_id(adapter);
2480
da48e6c3 2481 if (adapter->portnum == 0) {
22999798 2482 qlcnic_get_board_name(adapter, board_name);
13159183 2483
da48e6c3 2484 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2485 module_name(THIS_MODULE),
2486 board_name, adapter->ahw->revision_id);
da48e6c3 2487 }
460374f7
HM		 2488
2489 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2490 !!qlcnic_use_msi)
2491 dev_warn(&pdev->dev,
01b91f4c 2492 "Device does not support MSI interrupts\n");
460374f7 2493
068a8d19 2494 if (qlcnic_82xx_check(adapter)) {
34e8c406 2495 err = qlcnic_setup_intr(adapter);
068a8d19
MC		 2496 if (err) {
2497 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2498 goto err_out_disable_msi;
068a8d19 2499 }
13159183 2500 }
af19b491 2501
02135582
SC		 2502 err = qlcnic_get_act_pci_func(adapter);
2503 if (err)
2504 goto err_out_disable_mbx_intr;
2505
1bb09fb9 2506 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2507 if (err)
7e2cf4fe 2508 goto err_out_disable_mbx_intr;
af19b491 2509
24866d15
HM		 2510 if (adapter->portnum == 0)
2511 qlcnic_set_drv_version(adapter);
c84e340a 2512
af19b491
AKS		 2513 pci_set_drvdata(pdev, adapter);
2514
97ee45eb
SC		 2515 if (qlcnic_82xx_check(adapter))
2516 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2517 FW_POLL_DELAY);
af19b491 2518
b1fc6d3c 2519 switch (adapter->ahw->port_type) {
af19b491
AKS		 2520 case QLCNIC_GBE:
2521 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2522 adapter->netdev->name);
2523 break;
2524 case QLCNIC_XGBE:
2525 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2526 adapter->netdev->name);
2527 break;
2528 }
2529
fe1adc6b 2530 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2531 qlcnic_alloc_lb_filters_mem(adapter);
2532
7e2cf4fe 2533 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2534
2535 return 0;
2536
7e2cf4fe 2537err_out_disable_mbx_intr:
7dd90cf1 2538 if (qlcnic_83xx_check(adapter))
13159183 2539 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2540
af19b491
AKS		 2541err_out_disable_msi:
2542 qlcnic_teardown_intr(adapter);
7e2cf4fe 2543 qlcnic_cancel_idc_work(adapter);
21854f02 2544 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2545
b1fc6d3c
AC		 2546err_out_free_hw:
2547 qlcnic_free_adapter_resources(adapter);
2548
2b1f18a4
WY		 2549err_out_free_wq:
2550 destroy_workqueue(adapter->qlcnic_wq);
2551
af19b491
AKS		 2552err_out_free_netdev:
2553 free_netdev(netdev);
2554
7e2cf4fe 2555err_out_iounmap:
f1a094a8 2556 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2557
2558err_out_free_hw_res:
2559 kfree(ahw);
2560
af19b491
AKS		 2561err_out_free_res:
2562 pci_release_regions(pdev);
2563
2564err_out_disable_pdev:
af19b491
AKS		 2565 pci_disable_device(pdev);
2566 return err;
66451615
SC		 2567
2568err_out_maintenance_mode:
78ea2d97 2569 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615
SC		 2570 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2571 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
78ea2d97
SC		 2572 ahw->port_type = QLCNIC_XGBE;
2573
2574 if (qlcnic_83xx_check(adapter))
2575 adapter->tgt_status_reg = NULL;
2576 else
2577 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2578
66451615
SC		 2579 err = register_netdev(netdev);
2580
2581 if (err) {
2582 dev_err(&pdev->dev, "Failed to register net device\n");
2583 qlcnic_clr_all_drv_state(adapter, 0);
2584 goto err_out_free_hw;
2585 }
2586
2587 pci_set_drvdata(pdev, adapter);
2588 qlcnic_add_sysfs(adapter);
2589
2590 return 0;
af19b491
AKS		 2591}
2592
6bb58bb0 2593static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2594{
2595 struct qlcnic_adapter *adapter;
2596 struct net_device *netdev;
13159183 2597 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2598
2599 adapter = pci_get_drvdata(pdev);
2600 if (adapter == NULL)
2601 return;
2602
2603 netdev = adapter->netdev;
02feda17 2604 qlcnic_sriov_pf_disable(adapter);
af19b491 2605
13159183
SC		 2606 qlcnic_cancel_idc_work(adapter);
2607 ahw = adapter->ahw;
af19b491
AKS		 2608
2609 unregister_netdev(netdev);
02feda17 2610 qlcnic_sriov_cleanup(adapter);
af19b491 2611
13159183 2612 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 2613 qlcnic_83xx_initialize_nic(adapter, 0);
3d73b5fd 2614 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2615 qlcnic_83xx_free_mbx_intr(adapter);
2616 qlcnic_83xx_detach_mailbox_work(adapter);
2617 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2618 kfree(ahw->fw_info);
13159183
SC		 2619 }
2620
3720bf79
SC		 2621 qlcnic_dcb_free(adapter->dcb);
2622
af19b491
AKS		 2623 qlcnic_detach(adapter);
2624
2e9d722d
AC		 2625 if (adapter->npars != NULL)
2626 kfree(adapter->npars);
2627 if (adapter->eswitch != NULL)
2628 kfree(adapter->eswitch);
2629
97ee45eb
SC		 2630 if (qlcnic_82xx_check(adapter))
2631 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2632
2633 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2634
b5e5492c
AKS		 2635 qlcnic_free_lb_filters_mem(adapter);
2636
af19b491
AKS		 2637 qlcnic_teardown_intr(adapter);
2638
13159183 2639 qlcnic_remove_sysfs(adapter);
af19b491 2640
f1a094a8 2641 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2642
2643 qlcnic_release_firmware(adapter);
2644
451724c8 2645 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2646 pci_release_regions(pdev);
2647 pci_disable_device(pdev);
af19b491 2648
13159183
SC		 2649 if (adapter->qlcnic_wq) {
2650 destroy_workqueue(adapter->qlcnic_wq);
2651 adapter->qlcnic_wq = NULL;
2652 }
14d385b9 2653
b1fc6d3c 2654 qlcnic_free_adapter_resources(adapter);
13159183 2655 kfree(ahw);
af19b491
AKS		 2656 free_netdev(netdev);
2657}
af19b491
AKS		 2658
2659static void qlcnic_shutdown(struct pci_dev *pdev)
2660{
2661 if (__qlcnic_shutdown(pdev))
2662 return;
2663
2664 pci_disable_device(pdev);
2665}
2666
2667#ifdef CONFIG_PM
486a5bc7 2668static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2669{
2670 int retval;
2671
2672 retval = __qlcnic_shutdown(pdev);
2673 if (retval)
2674 return retval;
2675
2676 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2677 return 0;
2678}
2679
486a5bc7 2680static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2681{
2682 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2683 int err;
2684
2685 err = pci_enable_device(pdev);
2686 if (err)
2687 return err;
2688
2689 pci_set_power_state(pdev, PCI_D0);
2690 pci_set_master(pdev);
2691 pci_restore_state(pdev);
2692
486a5bc7 2693 return __qlcnic_resume(adapter);
af19b491
AKS		 2694}
2695#endif
2696
2697static int qlcnic_open(struct net_device *netdev)
2698{
2699 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2700 int err;
2701
78ea2d97
SC		 2702 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2703 netdev_err(netdev, "%s: Device is in non-operational state\n",
2704 __func__);
66451615
SC		 2705
2706 return -EIO;
2707 }
2708
c55ad8e5
AKS		 2709 netif_carrier_off(netdev);
2710
af19b491
AKS		 2711 err = qlcnic_attach(adapter);
2712 if (err)
2713 return err;
2714
2715 err = __qlcnic_up(adapter, netdev);
2716 if (err)
060d0564 2717 qlcnic_detach(adapter);
af19b491 2718
af19b491
AKS		 2719 return err;
2720}
2721
2722/*
2723 * qlcnic_close - Disables a network interface entry point
2724 */
2725static int qlcnic_close(struct net_device *netdev)
2726{
2727 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2728
2729 __qlcnic_down(adapter, netdev);
13159183 2730
af19b491
AKS		 2731 return 0;
2732}
2733
e5dcf6dc 2734void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2735{
2736 void *head;
2737 int i;
13159183
SC		 2738 struct net_device *netdev = adapter->netdev;
2739 u32 filter_size = 0;
2740 u16 act_pci_func = 0;
b5e5492c 2741
e5dcf6dc 2742 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2743 return;
2744
2f514c52 2745 act_pci_func = adapter->ahw->total_nic_func;
b5e5492c 2746 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2747 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2748
13159183
SC		 2749 if (qlcnic_82xx_check(adapter)) {
2750 filter_size = QLCNIC_LB_MAX_FILTERS;
2751 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2752 } else {
2753 filter_size = QLC_83XX_LB_MAX_FILTERS;
2754 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2755 }
2756
2757 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2758 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2759
b5e5492c
AKS		 2760 if (!head)
2761 return;
2762
13159183 2763 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2764 adapter->fhash.fhead = head;
b5e5492c 2765
13159183
SC		 2766 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2767 act_pci_func, adapter->fhash.fmax);
2768
2769 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2770 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2771
2772 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2773
2774 head = kcalloc(adapter->rx_fhash.fbucket_size,
2775 sizeof(struct hlist_head), GFP_ATOMIC);
2776
2777 if (!head)
2778 return;
2779
2780 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2781 adapter->rx_fhash.fhead = head;
2782
2783 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2784 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2785}
2786
2787static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2788{
2789 if (adapter->fhash.fmax && adapter->fhash.fhead)
2790 kfree(adapter->fhash.fhead);
2791
2792 adapter->fhash.fhead = NULL;
2793 adapter->fhash.fmax = 0;
53643a75
SS		 2794
2795 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2796 kfree(adapter->rx_fhash.fhead);
2797
2798 adapter->rx_fhash.fmax = 0;
2799 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2800}
2801
629263ac 2802int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2803{
2804 struct net_device *netdev = adapter->netdev;
97ee45eb 2805 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2806 int rv = 0;
2807
13159183
SC		 2808 if (qlcnic_83xx_check(adapter))
2809 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2810
97ee45eb 2811 if (qlcnic_82xx_check(adapter))
a15ebd37 2812 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2813
2814 temp_state = qlcnic_get_temp_state(temp);
2815 temp_val = qlcnic_get_temp_val(temp);
2816
2817 if (temp_state == QLCNIC_TEMP_PANIC) {
2818 dev_err(&netdev->dev,
2819 "Device temperature %d degrees C exceeds"
2820 " maximum allowed. Hardware has been shut down.\n",
2821 temp_val);
2822 rv = 1;
2823 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2824 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2825 dev_err(&netdev->dev,
2826 "Device temperature %d degrees C "
2827 "exceeds operating range."
2828 " Immediate action needed.\n",
2829 temp_val);
2830 }
2831 } else {
79788450 2832 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2833 dev_info(&netdev->dev,
2834 "Device temperature is now %d degrees C"
2835 " in normal range.\n", temp_val);
2836 }
2837 }
79788450 2838 adapter->ahw->temp = temp_state;
af19b491
AKS		 2839 return rv;
2840}
2841
95b3890a 2842static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
af19b491 2843{
95b3890a
HM		 2844 int i;
2845 struct cmd_desc_type0 *tx_desc_info;
2846
2847 for (i = 0; i < tx_ring->num_desc; i++) {
2848 tx_desc_info = &tx_ring->desc_head[i];
2849 pr_info("TX Desc: %d\n", i);
2850 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2851 &tx_ring->desc_head[i],
2852 sizeof(struct cmd_desc_type0), true);
2853 }
2854}
2855
2856static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2857{
2858 struct net_device *netdev = adapter->netdev;
012ec812
HM		 2859 struct qlcnic_host_tx_ring *tx_ring;
2860 int ring;
af19b491 2861
95b3890a
HM		 2862 if (!netdev || !netif_running(netdev))
2863 return;
2864
2865 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2866 tx_ring = &adapter->tx_ring[ring];
2867 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2868 ring, tx_ring->ctx_id);
2869 netdev_info(netdev,
2870 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2871 tx_ring->tx_stats.xmit_finished,
2872 tx_ring->tx_stats.xmit_called,
2873 tx_ring->tx_stats.xmit_on,
2874 tx_ring->tx_stats.xmit_off);
2875 netdev_info(netdev,
2876 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2877 readl(tx_ring->crb_intr_mask),
2878 readl(tx_ring->crb_cmd_producer),
2879 tx_ring->producer, tx_ring->sw_consumer,
2880 le32_to_cpu(*(tx_ring->hw_consumer)));
2881
2882 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2883 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2884
2885 if (netif_msg_tx_done(adapter->ahw))
2886 dump_tx_ring_desc(tx_ring);
2887 }
2888}
2889
2890static void qlcnic_tx_timeout(struct net_device *netdev)
2891{
2892 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2893
af19b491
AKS		 2894 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2895 return;
2896
536faa61
SC		 2897 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2898 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2899 if (qlcnic_82xx_check(adapter))
2900 adapter->need_fw_reset = 1;
2901 else if (qlcnic_83xx_check(adapter))
2902 qlcnic_83xx_idc_request_reset(adapter,
2903 QLCNIC_FORCE_FW_DUMP_KEY);
2904 } else {
2905 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
95b3890a 2906 qlcnic_dump_tx_rings(adapter);
79788450 2907 adapter->ahw->reset_context = 1;
536faa61 2908 }
af19b491
AKS		 2909}
2910
2911static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2912{
2913 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2914 struct net_device_stats *stats = &netdev->stats;
2915
1ac6762a
MC		 2916 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2917 qlcnic_update_stats(adapter);
2918
af19b491
AKS		 2919 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2920 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2921 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2922 stats->tx_bytes = adapter->stats.txbytes;
2923 stats->rx_dropped = adapter->stats.rxdropped;
2924 stats->tx_dropped = adapter->stats.txdropped;
2925
2926 return stats;
2927}
2928
21041400 2929static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2930{
af19b491
AKS		 2931 u32 status;
2932
2933 status = readl(adapter->isr_int_vec);
2934
79788450 2935 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2936 return IRQ_NONE;
2937
2938 /* check interrupt state machine, to be sure */
2939 status = readl(adapter->crb_int_state_reg);
2940 if (!ISR_LEGACY_INT_TRIGGERED(status))
2941 return IRQ_NONE;
2942
2943 writel(0xffffffff, adapter->tgt_status_reg);
2944 /* read twice to ensure write is flushed */
2945 readl(adapter->isr_int_vec);
2946 readl(adapter->isr_int_vec);
2947
7eb9855d
AKS		 2948 return IRQ_HANDLED;
2949}
2950
2951static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2952{
2953 struct qlcnic_host_sds_ring *sds_ring = data;
2954 struct qlcnic_adapter *adapter = sds_ring->adapter;
2955
2956 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2957 goto done;
2958 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2959 writel(0xffffffff, adapter->tgt_status_reg);
2960 goto done;
2961 }
2962
2963 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2964 return IRQ_NONE;
2965
2966done:
79788450 2967 adapter->ahw->diag_cnt++;
2cc5752e 2968 qlcnic_enable_sds_intr(adapter, sds_ring);
7eb9855d
AKS		 2969 return IRQ_HANDLED;
2970}
2971
2972static irqreturn_t qlcnic_intr(int irq, void *data)
2973{
2974 struct qlcnic_host_sds_ring *sds_ring = data;
2975 struct qlcnic_adapter *adapter = sds_ring->adapter;
2976
2977 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2978 return IRQ_NONE;
2979
af19b491
AKS		 2980 napi_schedule(&sds_ring->napi);
2981
2982 return IRQ_HANDLED;
2983}
2984
2985static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2986{
2987 struct qlcnic_host_sds_ring *sds_ring = data;
2988 struct qlcnic_adapter *adapter = sds_ring->adapter;
2989
2990 /* clear interrupt */
2991 writel(0xffffffff, adapter->tgt_status_reg);
2992
2993 napi_schedule(&sds_ring->napi);
2994 return IRQ_HANDLED;
2995}
2996
2997static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2998{
2999 struct qlcnic_host_sds_ring *sds_ring = data;
3000
3001 napi_schedule(&sds_ring->napi);
3002 return IRQ_HANDLED;
3003}
3004
13159183
SC		 3005static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3006{
3007 struct qlcnic_host_tx_ring *tx_ring = data;
3008
3009 napi_schedule(&tx_ring->napi);
3010 return IRQ_HANDLED;
3011}
3012
af19b491
AKS		 3013#ifdef CONFIG_NET_POLL_CONTROLLER
3014static void qlcnic_poll_controller(struct net_device *netdev)
3015{
3016 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2b018ad9
M		 3017 struct qlcnic_host_sds_ring *sds_ring;
3018 struct qlcnic_recv_context *recv_ctx;
3019 struct qlcnic_host_tx_ring *tx_ring;
3020 int ring;
3021
3022 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3023 return;
3024
3025 recv_ctx = adapter->recv_ctx;
bf82791e 3026
34e8c406 3027 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
bf82791e 3028 sds_ring = &recv_ctx->sds_rings[ring];
2b018ad9
M		 3029 qlcnic_disable_sds_intr(adapter, sds_ring);
3030 napi_schedule(&sds_ring->napi);
3031 }
3032
3033 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3034 /* Only Multi-Tx queue capable devices need to
3035 * schedule NAPI for TX rings
3036 */
3037 if ((qlcnic_83xx_check(adapter) &&
3038 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3039 (qlcnic_82xx_check(adapter) &&
3040 !qlcnic_check_multi_tx(adapter)))
3041 return;
3042
3043 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3044 tx_ring = &adapter->tx_ring[ring];
3045 qlcnic_disable_tx_intr(adapter, tx_ring);
3046 napi_schedule(&tx_ring->napi);
3047 }
bf82791e 3048 }
af19b491
AKS		 3049}
3050#endif
3051
6df900e9
SC		 3052static void
3053qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3054{
3055 u32 val;
3056
3057 val = adapter->portnum & 0xf;
3058 val |= encoding << 7;
3059 val |= (jiffies - adapter->dev_rst_time) << 8;
3060
a15ebd37 3061 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 3062 adapter->dev_rst_time = jiffies;
3063}
3064
ade91f8e
AKS		 3065static int
3066qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 3067{
3068 u32 val;
3069
3070 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3071 state != QLCNIC_DEV_NEED_QUISCENT);
3072
3073 if (qlcnic_api_lock(adapter))
ade91f8e 3074 return -EIO;
af19b491 3075
a15ebd37 3076 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 3077
3078 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 3079 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 3080 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 3081 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 3082
a15ebd37 3083 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3084
3085 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 3086
3087 return 0;
af19b491
AKS		 3088}
3089
1b95a839
AKS		 3090static int
3091qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3092{
3093 u32 val;
3094
3095 if (qlcnic_api_lock(adapter))
3096 return -EBUSY;
3097
a15ebd37 3098 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3099 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3100 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 3101
3102 qlcnic_api_unlock(adapter);
3103
3104 return 0;
3105}
3106
486a5bc7 3107void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 3108{
3109 u32 val;
3110
3111 if (qlcnic_api_lock(adapter))
3112 goto err;
3113
a15ebd37 3114 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 3115 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 3116 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 3117
21854f02 3118 if (failed) {
a15ebd37
HM		 3119 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3120 QLCNIC_DEV_FAILED);
21854f02
AKS		 3121 dev_info(&adapter->pdev->dev,
3122 "Device state set to Failed. Please Reboot\n");
3123 } else if (!(val & 0x11111111))
a15ebd37
HM		 3124 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3125 QLCNIC_DEV_COLD);
af19b491 3126
a15ebd37 3127 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3128 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3129 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3130
3131 qlcnic_api_unlock(adapter);
3132err:
3133 adapter->fw_fail_cnt = 0;
032a13c7 3134 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 3135 clear_bit(__QLCNIC_START_FW, &adapter->state);
3136 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3137}
3138
f73dfc50 3139/* Grab api lock, before checking state */
af19b491
AKS		 3140static int
3141qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3142{
602ca6f0 3143 int act, state, active_mask;
a15ebd37 3144 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 3145
a15ebd37
HM		 3146 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3147 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 3148
602ca6f0 3149 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 3150 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 3151 act = act & active_mask;
3152 }
3153
af19b491
AKS		 3154 if (((state & 0x11111111) == (act & 0x11111111)) ||
3155 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3156 return 0;
3157 else
3158 return 1;
3159}
3160
96f8118c
SC		 3161static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3162{
a15ebd37 3163 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 3164
3165 if (val != QLCNIC_DRV_IDC_VER) {
3166 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3167 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3168 }
3169
3170 return 0;
3171}
3172
af19b491
AKS		 3173static int
3174qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3175{
3176 u32 val, prev_state;
aa5e18c0 3177 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 3178 u8 portnum = adapter->portnum;
96f8118c 3179 u8 ret;
af19b491 3180
f73dfc50
AKS		 3181 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3182 return 1;
3183
af19b491
AKS		 3184 if (qlcnic_api_lock(adapter))
3185 return -1;
3186
a15ebd37 3187 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 3188 if (!(val & (1 << (portnum * 4)))) {
3189 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 3190 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3191 }
3192
a15ebd37 3193 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3194 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3195
3196 switch (prev_state) {
3197 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3198 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3199 QLCNIC_DEV_INITIALIZING);
3200 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3201 QLCNIC_DRV_IDC_VER);
6df900e9 3202 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3203 qlcnic_api_unlock(adapter);
3204 return 1;
3205
3206 case QLCNIC_DEV_READY:
96f8118c 3207 ret = qlcnic_check_idc_ver(adapter);
af19b491 3208 qlcnic_api_unlock(adapter);
96f8118c 3209 return ret;
af19b491
AKS		 3210
3211 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3212 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3213 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3214 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3215 break;
3216
3217 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3218 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3219 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3220 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3221 break;
3222
3223 case QLCNIC_DEV_FAILED:
a7fc948f 3224 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3225 qlcnic_api_unlock(adapter);
3226 return -1;
bbd8c6a4
AKS		 3227
3228 case QLCNIC_DEV_INITIALIZING:
3229 case QLCNIC_DEV_QUISCENT:
3230 break;
af19b491
AKS		 3231 }
3232
3233 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3234
3235 do {
af19b491 3236 msleep(1000);
a15ebd37 3237 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3238
3239 if (prev_state == QLCNIC_DEV_QUISCENT)
3240 continue;
3241 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3242
65b5b420
AKS		 3243 if (!dev_init_timeo) {
3244 dev_err(&adapter->pdev->dev,
3245 "Waiting for device to initialize timeout\n");
af19b491 3246 return -1;
65b5b420 3247 }
af19b491
AKS		 3248
3249 if (qlcnic_api_lock(adapter))
3250 return -1;
3251
a15ebd37 3252 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3253 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3254 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3255
96f8118c 3256 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3257 qlcnic_api_unlock(adapter);
3258
96f8118c 3259 return ret;
af19b491
AKS		 3260}
3261
3262static void
3263qlcnic_fwinit_work(struct work_struct *work)
3264{
3265 struct qlcnic_adapter *adapter = container_of(work,
3266 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3267 u32 dev_state = 0xf;
7b749ff4 3268 u32 val;
af19b491 3269
f73dfc50
AKS		 3270 if (qlcnic_api_lock(adapter))
3271 goto err_ret;
af19b491 3272
a15ebd37 3273 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3274 if (dev_state == QLCNIC_DEV_QUISCENT ||
3275 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3276 qlcnic_api_unlock(adapter);
3277 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3278 FW_POLL_DELAY * 2);
3279 return;
3280 }
3281
79788450 3282 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3283 qlcnic_api_unlock(adapter);
3284 goto wait_npar;
9f26f547
AC		 3285 }
3286
16e3cf73
SV		 3287 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3288 dev_state == QLCNIC_DEV_READY) {
3289 dev_info(&adapter->pdev->dev, "Detected state change from "
3290 "DEV_NEED_RESET, skipping ack check\n");
3291 goto skip_ack_check;
3292 }
3293
f73dfc50 3294 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3295 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3296 adapter->reset_ack_timeo);
3297 goto skip_ack_check;
3298 }
3299
3300 if (!qlcnic_check_drv_state(adapter)) {
3301skip_ack_check:
a15ebd37 3302 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3303
f73dfc50 3304 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3305 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3306 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3307 set_bit(__QLCNIC_START_FW, &adapter->state);
3308 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3309 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3310 val = QLC_SHARED_REG_RD32(adapter,
3311 QLCNIC_CRB_DRV_STATE);
7b749ff4 3312 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3313 QLC_SHARED_REG_WR32(adapter,
3314 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3315 }
3316
f73dfc50
AKS		 3317 qlcnic_api_unlock(adapter);
3318
287e38aa 3319 rtnl_lock();
890b6e02 3320 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3321 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3322 QLCDB(adapter, DRV, "Take FW dump\n");
3323 qlcnic_dump_fw(adapter);
032a13c7 3324 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3325 }
287e38aa 3326 rtnl_unlock();
7b749ff4
SV		 3327
3328 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3329 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3330 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3331 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3332 return;
3333 }
af19b491
AKS		 3334 goto err_ret;
3335 }
3336
f73dfc50 3337 qlcnic_api_unlock(adapter);
aa5e18c0 3338
9f26f547 3339wait_npar:
a15ebd37 3340 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3341 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3342
af19b491 3343 switch (dev_state) {
3c4b23b1 3344 case QLCNIC_DEV_READY:
7e2cf4fe 3345 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3346 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3347 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3348 return;
3349 }
3c4b23b1
AKS		 3350 case QLCNIC_DEV_FAILED:
3351 break;
3352 default:
3353 qlcnic_schedule_work(adapter,
3354 qlcnic_fwinit_work, FW_POLL_DELAY);
3355 return;
af19b491
AKS		 3356 }
3357
3358err_ret:
f73dfc50
AKS		 3359 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3360 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3361 netif_device_attach(adapter->netdev);
21854f02 3362 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3363}
3364
3365static void
3366qlcnic_detach_work(struct work_struct *work)
3367{
3368 struct qlcnic_adapter *adapter = container_of(work,
3369 struct qlcnic_adapter, fw_work.work);
3370 struct net_device *netdev = adapter->netdev;
3371 u32 status;
3372
3373 netif_device_detach(netdev);
3374
b8c17620
AKS		 3375 /* Dont grab rtnl lock during Quiscent mode */
3376 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3377 if (netif_running(netdev))
3378 __qlcnic_down(adapter, netdev);
3379 } else
3380 qlcnic_down(adapter, netdev);
af19b491 3381
a15ebd37 3382 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3383
44f65b29
SC		 3384 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3385 dev_err(&adapter->pdev->dev,
3386 "Detaching the device: peg halt status1=0x%x\n",
3387 status);
3388
3389 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3390 dev_err(&adapter->pdev->dev,
3391 "On board active cooling fan failed. "
3392 "Device has been halted.\n");
3393 dev_err(&adapter->pdev->dev,
3394 "Replace the adapter.\n");
3395 }
3396
af19b491 3397 goto err_ret;
44f65b29 3398 }
af19b491 3399
79788450 3400 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3401 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3402 adapter->ahw->temp);
af19b491 3403 goto err_ret;
44f65b29
SC		 3404 }
3405
602ca6f0
SV		 3406 /* Dont ack if this instance is the reset owner */
3407 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3408 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3409 dev_err(&adapter->pdev->dev,
3410 "Failed to set driver state,"
3411 "detaching the device.\n");
602ca6f0 3412 goto err_ret;
44f65b29 3413 }
602ca6f0 3414 }
af19b491
AKS		 3415
3416 adapter->fw_wait_cnt = 0;
3417
3418 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3419
3420 return;
3421
3422err_ret:
34ce3626 3423 netif_device_attach(netdev);
21854f02 3424 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3425}
3426
3c4b23b1
AKS		 3427/*Transit NPAR state to NON Operational */
3428static void
3429qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3430{
3431 u32 state;
3432
a15ebd37 3433 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3434 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3435 return;
3436
3437 if (qlcnic_api_lock(adapter))
3438 return;
a15ebd37
HM		 3439 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3440 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3441 qlcnic_api_unlock(adapter);
3442}
3443
21041400 3444static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3445 u32 key)
af19b491 3446{
646779f1
SV		 3447 u32 state, xg_val = 0, gb_val = 0;
3448
3449 qlcnic_xg_set_xg0_mask(xg_val);
3450 qlcnic_xg_set_xg1_mask(xg_val);
3451 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3452 qlcnic_gb_set_gb0_mask(gb_val);
3453 qlcnic_gb_set_gb1_mask(gb_val);
3454 qlcnic_gb_set_gb2_mask(gb_val);
3455 qlcnic_gb_set_gb3_mask(gb_val);
3456 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3457 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3458 " on all ports\n");
cea8975e 3459 adapter->need_fw_reset = 1;
13159183 3460
af19b491
AKS		 3461 if (qlcnic_api_lock(adapter))
3462 return;
3463
13159183 3464 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3465
3466 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3467 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3468 __func__);
3469 qlcnic_api_unlock(adapter);
3470
3471 return;
3472 }
af19b491 3473
f73dfc50 3474 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3475 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3476 QLCNIC_DEV_NEED_RESET);
602ca6f0 3477 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3478 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3479 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3480 }
3481
13159183
SC		 3482 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3483 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3484 qlcnic_api_unlock(adapter);
3485}
3486
9f26f547
AC		 3487/* Transit to NPAR READY state from NPAR NOT READY state */
3488static void
3489qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3490{
9f26f547
AC		 3491 if (qlcnic_api_lock(adapter))
3492 return;
3493
a15ebd37
HM		 3494 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3495 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3496 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3497
3498 qlcnic_api_unlock(adapter);
3499}
3500
13159183
SC		 3501void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3502 work_func_t func, int delay)
af19b491 3503{
451724c8
SC		 3504 if (test_bit(__QLCNIC_AER, &adapter->state))
3505 return;
3506
af19b491 3507 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3508 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3509 round_jiffies_relative(delay));
af19b491
AKS		 3510}
3511
3512static void
3513qlcnic_attach_work(struct work_struct *work)
3514{
3515 struct qlcnic_adapter *adapter = container_of(work,
3516 struct qlcnic_adapter, fw_work.work);
3517 struct net_device *netdev = adapter->netdev;
b18971d1 3518 u32 npar_state;
af19b491 3519
79788450 3520 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3521 npar_state = QLC_SHARED_REG_RD32(adapter,
3522 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3523 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3524 qlcnic_clr_all_drv_state(adapter, 0);
3525 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3526 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3527 FW_POLL_DELAY);
3528 else
3529 goto attach;
3530 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3531 return;
3532 }
3533attach:
1de899d3 3534 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3535
af19b491 3536 if (netif_running(netdev)) {
52486a3a 3537 if (qlcnic_up(adapter, netdev))
af19b491 3538 goto done;
af19b491 3539
aec1e845 3540 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3541 }
3542
af19b491 3543done:
34ce3626 3544 netif_device_attach(netdev);
af19b491 3545 adapter->fw_fail_cnt = 0;
032a13c7 3546 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3547 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3548 if (adapter->portnum == 0)
3549 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3550
3551 if (!qlcnic_clr_drv_state(adapter))
3552 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3553 FW_POLL_DELAY);
af19b491
AKS		 3554}
3555
3556static int
3557qlcnic_check_health(struct qlcnic_adapter *adapter)
3558{
891e71b1
PP		 3559 struct qlcnic_hardware_context *ahw = adapter->ahw;
3560 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3561 u32 state = 0, heartbeat;
853d4bca 3562 u32 peg_status;
4bd8e738 3563 int err = 0;
af19b491
AKS		 3564
3565 if (qlcnic_check_temp(adapter))
3566 goto detach;
3567
2372a5f1 3568 if (adapter->need_fw_reset)
7e2cf4fe 3569 qlcnic_dev_request_reset(adapter, 0);
af19b491 3570
a15ebd37 3571 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3572 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3573 qlcnic_set_npar_non_operational(adapter);
af19b491 3574 adapter->need_fw_reset = 1;
b8c17620
AKS		 3575 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3576 goto detach;
af19b491 3577
a15ebd37 3578 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3579 if (heartbeat != adapter->heartbeat) {
3580 adapter->heartbeat = heartbeat;
af19b491
AKS		 3581 adapter->fw_fail_cnt = 0;
3582 if (adapter->need_fw_reset)
3583 goto detach;
68bf1c68 3584
891e71b1 3585 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3586 qlcnic_reset_hw_context(adapter);
68bf1c68 3587
af19b491
AKS		 3588 return 0;
3589 }
3590
3591 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3592 return 0;
3593
032a13c7
SV		 3594 adapter->flags |= QLCNIC_FW_HANG;
3595
7e2cf4fe 3596 qlcnic_dev_request_reset(adapter, 0);
af19b491 3597
099f7aa7 3598 if (qlcnic_auto_fw_reset)
0df170b6 3599 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3600
853d4bca 3601 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3602 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3603 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3604 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3605 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3606 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3607 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3608 peg_status,
3609 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3610 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3611 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3612 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3613 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3614 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3615 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3616 dev_err(&adapter->pdev->dev,
3617 "Firmware aborted with error code 0x00006700. "
3618 "Device is being reset.\n");
af19b491
AKS		 3619detach:
3620 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3621 QLCNIC_DEV_NEED_RESET;
3622
099f7aa7
SC		 3623 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3624 &adapter->state)) {
65b5b420 3625
af19b491 3626 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3627 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3628 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3629 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3630 qlcnic_dump_fw(adapter);
65b5b420 3631 }
af19b491
AKS		 3632
3633 return 1;
3634}
3635
486a5bc7 3636void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3637{
3638 struct qlcnic_adapter *adapter = container_of(work,
3639 struct qlcnic_adapter, fw_work.work);
3640
3641 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3642 goto reschedule;
3643
3644
3645 if (qlcnic_check_health(adapter))
3646 return;
3647
b5e5492c
AKS		 3648 if (adapter->fhash.fnum)
3649 qlcnic_prune_lb_filters(adapter);
3650
af19b491
AKS		 3651reschedule:
3652 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3653}
3654
451724c8
SC		 3655static int qlcnic_is_first_func(struct pci_dev *pdev)
3656{
3657 struct pci_dev *oth_pdev;
3658 int val = pdev->devfn;
3659
3660 while (val-- > 0) {
3661 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3662 (pdev->bus), pdev->bus->number,
3663 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3664 if (!oth_pdev)
3665 continue;
451724c8 3666
bfc978fa
AKS		 3667 if (oth_pdev->current_state != PCI_D3cold) {
3668 pci_dev_put(oth_pdev);
451724c8 3669 return 0;
bfc978fa
AKS		 3670 }
3671 pci_dev_put(oth_pdev);
451724c8
SC		 3672 }
3673 return 1;
3674}
3675
3676static int qlcnic_attach_func(struct pci_dev *pdev)
3677{
3678 int err, first_func;
3679 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3680 struct net_device *netdev = adapter->netdev;
3681
3682 pdev->error_state = pci_channel_io_normal;
3683
3684 err = pci_enable_device(pdev);
3685 if (err)
3686 return err;
3687
451724c8
SC		 3688 pci_set_master(pdev);
3689 pci_restore_state(pdev);
3690
3691 first_func = qlcnic_is_first_func(pdev);
3692
3693 if (qlcnic_api_lock(adapter))
3694 return -EINVAL;
3695
79788450 3696 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3697 adapter->need_fw_reset = 1;
3698 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3699 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3700 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3701 QLCDB(adapter, DRV, "Restarting fw\n");
3702 }
3703 qlcnic_api_unlock(adapter);
3704
13159183 3705 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3706 if (err)
3707 return err;
3708
3709 qlcnic_clr_drv_state(adapter);
13159183
SC		 3710 kfree(adapter->msix_entries);
3711 adapter->msix_entries = NULL;
34e8c406 3712 err = qlcnic_setup_intr(adapter);
13159183 3713
9a97e705
M		 3714 if (err) {
3715 kfree(adapter->msix_entries);
3716 netdev_err(netdev, "failed to setup interrupt\n");
3717 return err;
3718 }
3719
451724c8
SC		 3720 if (netif_running(netdev)) {
3721 err = qlcnic_attach(adapter);
3722 if (err) {
21854f02 3723 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3724 clear_bit(__QLCNIC_AER, &adapter->state);
3725 netif_device_attach(netdev);
3726 return err;
3727 }
3728
3729 err = qlcnic_up(adapter, netdev);
3730 if (err)
3731 goto done;
3732
aec1e845 3733 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3734 }
3735 done:
3736 netif_device_attach(netdev);
3737 return err;
3738}
3739
21041400 3740static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3741 pci_channel_state_t state)
451724c8
SC		 3742{
3743 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3744 struct net_device *netdev = adapter->netdev;
3745
3746 if (state == pci_channel_io_perm_failure)
3747 return PCI_ERS_RESULT_DISCONNECT;
3748
3749 if (state == pci_channel_io_normal)
3750 return PCI_ERS_RESULT_RECOVERED;
3751
3752 set_bit(__QLCNIC_AER, &adapter->state);
3753 netif_device_detach(netdev);
3754
3755 cancel_delayed_work_sync(&adapter->fw_work);
3756
3757 if (netif_running(netdev))
3758 qlcnic_down(adapter, netdev);
3759
3760 qlcnic_detach(adapter);
3761 qlcnic_teardown_intr(adapter);
3762
3763 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3764
3765 pci_save_state(pdev);
3766 pci_disable_device(pdev);
3767
3768 return PCI_ERS_RESULT_NEED_RESET;
3769}
3770
21041400 3771static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3772{
3773 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3774 PCI_ERS_RESULT_RECOVERED;
3775}
3776
21041400 3777static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3778{
a15ebd37 3779 u32 state;
451724c8
SC		 3780 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3781
3782 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3783 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3784 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3785 &adapter->state))
451724c8 3786 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3787 FW_POLL_DELAY);
451724c8
SC		 3788}
3789
4460f2e8
PP		 3790static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3791 pci_channel_state_t state)
3792{
3793 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3794 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3795
3796 if (hw_ops->io_error_detected) {
3797 return hw_ops->io_error_detected(pdev, state);
3798 } else {
3799 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3800 return PCI_ERS_RESULT_DISCONNECT;
3801 }
3802}
3803
3804static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3805{
3806 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3807 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3808
3809 if (hw_ops->io_slot_reset) {
3810 return hw_ops->io_slot_reset(pdev);
3811 } else {
3812 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3813 return PCI_ERS_RESULT_DISCONNECT;
3814 }
3815}
3816
3817static void qlcnic_io_resume(struct pci_dev *pdev)
3818{
3819 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3820 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3821
3822 if (hw_ops->io_resume)
3823 hw_ops->io_resume(pdev);
3824 else
3825 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3826}
3827
3828
87eb743b
AC		 3829static int
3830qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3831{
3832 int err;
3833
3834 err = qlcnic_can_start_firmware(adapter);
3835 if (err)
3836 return err;
3837
78f84e1a
AKS		 3838 err = qlcnic_check_npar_opertional(adapter);
3839 if (err)
3840 return err;
3c4b23b1 3841
174240a8
RB		 3842 err = qlcnic_initialize_nic(adapter);
3843 if (err)
3844 return err;
3845
87eb743b
AC		 3846 qlcnic_check_options(adapter);
3847
7373373d
RB		 3848 err = qlcnic_set_eswitch_port_config(adapter);
3849 if (err)
3850 return err;
3851
87eb743b
AC		 3852 adapter->need_fw_reset = 0;
3853
3854 return err;
3855}
3856
34e8c406
HM		 3857int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3858 int queue_type)
aa4a1f7d
HM		 3859{
3860 struct net_device *netdev = adapter->netdev;
34e8c406
HM		 3861 u8 max_hw_rings = 0;
3862 char buf[8];
3863 int cur_rings;
3864
3865 if (queue_type == QLCNIC_RX_QUEUE) {
3866 max_hw_rings = adapter->max_sds_rings;
3867 cur_rings = adapter->drv_sds_rings;
3868 strcpy(buf, "SDS");
3869 } else if (queue_type == QLCNIC_TX_QUEUE) {
18afc102 3870 max_hw_rings = adapter->max_tx_rings;
34e8c406
HM		 3871 cur_rings = adapter->drv_tx_rings;
3872 strcpy(buf, "Tx");
aa4a1f7d
HM		 3873 }
3874
34e8c406
HM		 3875 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3876 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
aa4a1f7d
HM		 3877 return -EINVAL;
3878 }
3879
34e8c406
HM		 3880 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3881 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
aa4a1f7d
HM		 3882 return -EINVAL;
3883 }
3884
34e8c406
HM		 3885 if (!is_power_of_2(ring_cnt)) {
3886 netdev_err(netdev, "%s rings value should be a power of 2\n",
3887 buf);
aa4a1f7d
HM		 3888 return -EINVAL;
3889 }
3890
34e8c406
HM		 3891 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3892 !qlcnic_check_multi_tx(adapter)) {
3893 netdev_err(netdev, "No Multi Tx queue support\n");
3894 return -EINVAL;
f94bc1e7
SC		 3895 }
3896
34e8c406
HM		 3897 if (ring_cnt > num_online_cpus()) {
3898 netdev_err(netdev,
3899 "%s value[%u] should not be higher than, number of online CPUs\n",
3900 buf, num_online_cpus());
f94bc1e7
SC		 3901 return -EINVAL;
3902 }
34e8c406 3903
f94bc1e7 3904 return 0;
f94bc1e7
SC		 3905}
3906
cb9327d5 3907int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
f94bc1e7
SC		 3908{
3909 struct net_device *netdev = adapter->netdev;
34e8c406 3910 int err;
f94bc1e7 3911
319ecf12
SC		 3912 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3913 return -EBUSY;
3914
f94bc1e7
SC		 3915 netif_device_detach(netdev);
3916 if (netif_running(netdev))
3917 __qlcnic_down(adapter, netdev);
13159183 3918
7dd90cf1
SC		 3919 qlcnic_detach(adapter);
3920
7ed3ce48 3921 if (qlcnic_83xx_check(adapter)) {
13159183 3922 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3923 qlcnic_83xx_enable_mbx_poll(adapter);
3924 }
13159183 3925
f94bc1e7 3926 qlcnic_teardown_intr(adapter);
aa4a1f7d 3927
34e8c406 3928 err = qlcnic_setup_intr(adapter);
9a97e705
M		 3929 if (err) {
3930 kfree(adapter->msix_entries);
3931 netdev_err(netdev, "failed to setup interrupt\n");
3932 return err;
3933 }
f94bc1e7 3934
cb9327d5
HM		 3935 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
3936
13159183 3937 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 3938 qlcnic_83xx_initialize_nic(adapter, 1);
13159183 3939 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3940 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3941 if (err) {
3942 dev_err(&adapter->pdev->dev,
3943 "failed to setup mbx interrupt\n");
3944 goto done;
3945 }
f94bc1e7
SC		 3946 }
3947
3948 if (netif_running(netdev)) {
3949 err = qlcnic_attach(adapter);
3950 if (err)
3951 goto done;
3952 err = __qlcnic_up(adapter, netdev);
3953 if (err)
3954 goto done;
3955 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3956 }
aa4a1f7d 3957done:
f94bc1e7
SC		 3958 netif_device_attach(netdev);
3959 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3960 return err;
3961}
3962
af19b491
AKS		 3963#ifdef CONFIG_INET
3964
3965#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3966
af19b491 3967static void
aec1e845
AKS		 3968qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3969 struct net_device *dev, unsigned long event)
af19b491
AKS		 3970{
3971 struct in_device *indev;
af19b491 3972
af19b491
AKS		 3973 indev = in_dev_get(dev);
3974 if (!indev)
3975 return;
3976
3977 for_ifa(indev) {
3978 switch (event) {
3979 case NETDEV_UP:
3980 qlcnic_config_ipaddr(adapter,
3981 ifa->ifa_address, QLCNIC_IP_UP);
3982 break;
3983 case NETDEV_DOWN:
3984 qlcnic_config_ipaddr(adapter,
3985 ifa->ifa_address, QLCNIC_IP_DOWN);
3986 break;
3987 default:
3988 break;
3989 }
3990 } endfor_ifa(indev);
3991
3992 in_dev_put(indev);
af19b491
AKS		 3993}
3994
319ecf12 3995void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3996{
3997 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3998 struct net_device *dev;
3999 u16 vid;
4000
4001 qlcnic_config_indev_addr(adapter, netdev, event);
4002
43c00a75 4003 rcu_read_lock();
b9796a14 4004 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 4005 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 4006 if (!dev)
4007 continue;
aec1e845
AKS		 4008 qlcnic_config_indev_addr(adapter, dev, event);
4009 }
43c00a75 4010 rcu_read_unlock();
aec1e845
AKS		 4011}
4012
af19b491
AKS		 4013static int qlcnic_netdev_event(struct notifier_block *this,
4014 unsigned long event, void *ptr)
4015{
4016 struct qlcnic_adapter *adapter;
351638e7 4017 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 4018
4019recheck:
4020 if (dev == NULL)
4021 goto done;
4022
4023 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4024 dev = vlan_dev_real_dev(dev);
4025 goto recheck;
4026 }
4027
4028 if (!is_qlcnic_netdev(dev))
4029 goto done;
4030
4031 adapter = netdev_priv(dev);
4032
4033 if (!adapter)
4034 goto done;
4035
8a15ad1f 4036 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4037 goto done;
4038
aec1e845 4039 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4040done:
4041 return NOTIFY_DONE;
4042}
4043
4044static int
4045qlcnic_inetaddr_event(struct notifier_block *this,
4046 unsigned long event, void *ptr)
4047{
4048 struct qlcnic_adapter *adapter;
4049 struct net_device *dev;
4050
4051 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4052
4053 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4054
4055recheck:
aec1e845 4056 if (dev == NULL)
af19b491
AKS		 4057 goto done;
4058
4059 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4060 dev = vlan_dev_real_dev(dev);
4061 goto recheck;
4062 }
4063
4064 if (!is_qlcnic_netdev(dev))
4065 goto done;
4066
4067 adapter = netdev_priv(dev);
4068
251a84c9 4069 if (!adapter)
af19b491
AKS		 4070 goto done;
4071
8a15ad1f 4072 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4073 goto done;
4074
4075 switch (event) {
4076 case NETDEV_UP:
4077 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 4078
af19b491
AKS		 4079 break;
4080 case NETDEV_DOWN:
4081 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 4082
af19b491
AKS		 4083 break;
4084 default:
4085 break;
4086 }
4087
4088done:
4089 return NOTIFY_DONE;
4090}
4091
4092static struct notifier_block qlcnic_netdev_cb = {
4093 .notifier_call = qlcnic_netdev_event,
4094};
4095
4096static struct notifier_block qlcnic_inetaddr_cb = {
4097 .notifier_call = qlcnic_inetaddr_event,
4098};
4099#else
f8ca2b6f 4100void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4101{ }
4102#endif
fec9dd15 4103static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 4104 .error_detected = qlcnic_io_error_detected,
4105 .slot_reset = qlcnic_io_slot_reset,
4106 .resume = qlcnic_io_resume,
4107};
af19b491
AKS		 4108
4109static struct pci_driver qlcnic_driver = {
4110 .name = qlcnic_driver_name,
4111 .id_table = qlcnic_pci_tbl,
4112 .probe = qlcnic_probe,
6bb58bb0 4113 .remove = qlcnic_remove,
af19b491
AKS		 4114#ifdef CONFIG_PM
4115 .suspend = qlcnic_suspend,
4116 .resume = qlcnic_resume,
4117#endif
451724c8 4118 .shutdown = qlcnic_shutdown,
02feda17
RB		 4119 .err_handler = &qlcnic_err_handler,
4120#ifdef CONFIG_QLCNIC_SRIOV
4121 .sriov_configure = qlcnic_pci_sriov_configure,
4122#endif
451724c8 4123
af19b491
AKS		 4124};
4125
4126static int __init qlcnic_init_module(void)
4127{
0cf3a14c 4128 int ret;
af19b491
AKS		 4129
4130 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4131
4132#ifdef CONFIG_INET
4133 register_netdevice_notifier(&qlcnic_netdev_cb);
4134 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4135#endif
4136
0cf3a14c
AKS		 4137 ret = pci_register_driver(&qlcnic_driver);
4138 if (ret) {
4139#ifdef CONFIG_INET
4140 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4141 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4142#endif
4143 }
af19b491 4144
0cf3a14c 4145 return ret;
af19b491
AKS		 4146}
4147
4148module_init(qlcnic_init_module);
4149
4150static void __exit qlcnic_exit_module(void)
4151{
af19b491
AKS		 4152 pci_unregister_driver(&qlcnic_driver);
4153
4154#ifdef CONFIG_INET
4155 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4156 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4157#endif
4158}
4159
4160module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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