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qlcnic: Add support to process commands in atomic context
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
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>
7f1f6056 24#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75 25#include <net/vxlan.h>
7f1f6056 26#endif
af19b491 27
7f9a0c34 28MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 29MODULE_LICENSE("GPL");
30MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
31MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
32
33char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 34static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 36
b5e5492c 37static int qlcnic_mac_learn;
b11a25aa 38module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 39MODULE_PARM_DESC(qlcnic_mac_learn,
40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 41
629263ac 42int qlcnic_use_msi = 1;
9fd13331 43MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 44module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 45
629263ac 46int qlcnic_use_msi_x = 1;
9fd13331 47MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 48module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 49
629263ac 50int qlcnic_auto_fw_reset = 1;
9fd13331 51MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 52module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 53
629263ac 54int qlcnic_load_fw_file;
9fd13331 55MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 56module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 57
1dd06ae8 58static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 59static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 60static int qlcnic_open(struct net_device *netdev);
61static int qlcnic_close(struct net_device *netdev);
af19b491 62static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 63static void qlcnic_attach_work(struct work_struct *work);
64static void qlcnic_fwinit_work(struct work_struct *work);
af19b491
AKS		 65#ifdef CONFIG_NET_POLL_CONTROLLER
66static void qlcnic_poll_controller(struct net_device *netdev);
67#endif
68
6df900e9 69static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
af19b491
AKS		 70static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
71
7eb9855d 72static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 73static irqreturn_t qlcnic_intr(int irq, void *data);
74static irqreturn_t qlcnic_msi_intr(int irq, void *data);
75static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 76static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 77
78static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 79static int qlcnic_start_firmware(struct qlcnic_adapter *);
80
b5e5492c 81static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 82static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 83static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 84static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
85static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 86
21041400 87static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
88static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
89static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
90static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
91static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
92static void qlcnic_82xx_io_resume(struct pci_dev *);
93static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
94static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
95 pci_channel_state_t);
13159183
SC		 96static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
97{
98 struct qlcnic_hardware_context *ahw = adapter->ahw;
99
100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
102 else
103 return 1;
104}
105
af19b491
AKS		 106/* PCI Device ID Table */
107#define ENTRY(device) \
108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
110
6a902881 111static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
15ca140f
MC		 115 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
af19b491
AKS		 117 {0,}
118};
119
120MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
121
122
5ad6ff9d 123inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 124{
125 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 126}
127
128static const u32 msi_tgt_status[8] = {
129 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
130 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
131 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
132 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
133};
134
7e2cf4fe
SC		 135static const u32 qlcnic_reg_tbl[] = {
136 0x1B20A8, /* PEG_HALT_STAT1 */
137 0x1B20AC, /* PEG_HALT_STAT2 */
138 0x1B20B0, /* FW_HEARTBEAT */
139 0x1B2100, /* LOCK ID */
140 0x1B2128, /* FW_CAPABILITIES */
141 0x1B2138, /* drv active */
142 0x1B2140, /* dev state */
143 0x1B2144, /* drv state */
144 0x1B2148, /* drv scratch */
145 0x1B214C, /* dev partition info */
146 0x1B2174, /* drv idc ver */
147 0x1B2150, /* fw version major */
148 0x1B2154, /* fw version minor */
149 0x1B2158, /* fw version sub */
150 0x1B219C, /* npar state */
151 0x1B21FC, /* FW_IMG_VALID */
152 0x1B2250, /* CMD_PEG_STATE */
153 0x1B233C, /* RCV_PEG_STATE */
154 0x1B23B4, /* ASIC TEMP */
155 0x1B216C, /* FW api */
156 0x1B2170, /* drv op mode */
157 0x13C010, /* flash lock */
158 0x13C014, /* flash unlock */
159};
160
22999798 161static const struct qlcnic_board_info qlcnic_boards[] = {
15ca140f
MC		 162 { PCI_VENDOR_ID_QLOGIC,
163 PCI_DEVICE_ID_QLOGIC_QLE844X,
164 0x0,
165 0x0,
166 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
e386cd4a
HM		 167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
170 0x24e,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
176 0x243,
177 "8300 Series Single Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
182 0x24a,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
188 0x246,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
194 0x252,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
200 0x26e,
201 "8300 Series Dual Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
206 0x260,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
212 0x266,
213 "8300 Series Single Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 PCI_VENDOR_ID_QLOGIC,
218 0x269,
219 "8300 Series Dual Port 10GbE Converged Network Adapter "
220 "(TCP/IP Networking)" },
221 { PCI_VENDOR_ID_QLOGIC,
222 PCI_DEVICE_ID_QLOGIC_QLE834X,
223 PCI_VENDOR_ID_QLOGIC,
224 0x271,
225 "8300 Series Dual Port 10GbE Converged Network Adapter "
226 "(TCP/IP Networking)" },
227 { PCI_VENDOR_ID_QLOGIC,
228 PCI_DEVICE_ID_QLOGIC_QLE834X,
229 0x0, 0x0, "8300 Series 1/10GbE Controller" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
233 0x203,
234 "8200 Series Single Port 10GbE Converged Network Adapter"
235 "(TCP/IP Networking)" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
239 0x207,
240 "8200 Series Dual Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
245 0x20b,
246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
247 { PCI_VENDOR_ID_QLOGIC,
248 PCI_DEVICE_ID_QLOGIC_QLE824X,
249 PCI_VENDOR_ID_QLOGIC,
250 0x20c,
251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
252 { PCI_VENDOR_ID_QLOGIC,
253 PCI_DEVICE_ID_QLOGIC_QLE824X,
254 PCI_VENDOR_ID_QLOGIC,
255 0x20f,
256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
259 0x103c, 0x3733,
260 "NC523SFP 10Gb 2-port Server Adapter" },
261 { PCI_VENDOR_ID_QLOGIC,
262 PCI_DEVICE_ID_QLOGIC_QLE824X,
263 0x103c, 0x3346,
264 "CN1000Q Dual Port Converged Network Adapter" },
265 { PCI_VENDOR_ID_QLOGIC,
266 PCI_DEVICE_ID_QLOGIC_QLE824X,
267 PCI_VENDOR_ID_QLOGIC,
268 0x210,
269 "QME8242-k 10GbE Dual Port Mezzanine Card" },
270 { PCI_VENDOR_ID_QLOGIC,
271 PCI_DEVICE_ID_QLOGIC_QLE824X,
272 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 273};
274
275#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
276
af19b491
AKS		 277static const
278struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
279
c70001a9 280int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 281{
282 int size = sizeof(struct qlcnic_host_sds_ring) * count;
283
284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
285
807540ba 286 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 287}
288
c70001a9 289void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 290{
291 if (recv_ctx->sds_rings != NULL)
292 kfree(recv_ctx->sds_rings);
293
294 recv_ctx->sds_rings = NULL;
295}
296
f8468331 297int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 298{
af19b491
AKS		 299 struct net_device *netdev = adapter->netdev;
300 struct pci_dev *pdev = adapter->pdev;
07a251c8
SS		 301 u8 mac_addr[ETH_ALEN];
302 int ret;
af19b491 303
07a251c8
SS		 304 ret = qlcnic_get_mac_address(adapter, mac_addr,
305 adapter->ahw->pci_func);
306 if (ret)
307 return ret;
af19b491 308
2e9d722d 309 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 310 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
311
312 /* set station address */
313
aaeb6cdf 314 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 315 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
316 netdev->dev_addr);
317
318 return 0;
319}
320
cffe52f3
MC		 321static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
322{
154d0c81 323 struct qlcnic_mac_vlan_list *cur;
cffe52f3
MC		 324 struct list_head *head;
325
326 list_for_each(head, &adapter->mac_list) {
154d0c81 327 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
6878f79a 328 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
cffe52f3
MC		 329 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
330 0, QLCNIC_MAC_DEL);
331 list_del(&cur->list);
332 kfree(cur);
333 return;
334 }
335 }
336}
337
af19b491
AKS		 338static int qlcnic_set_mac(struct net_device *netdev, void *p)
339{
340 struct qlcnic_adapter *adapter = netdev_priv(netdev);
341 struct sockaddr *addr = p;
342
7cb03b23
RB		 343 if (qlcnic_sriov_vf_check(adapter))
344 return -EINVAL;
345
7373373d
RB		 346 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
347 return -EOPNOTSUPP;
348
af19b491 349 if (!is_valid_ether_addr(addr->sa_data))
13159183 350 return -EINVAL;
af19b491 351
6878f79a 352 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
cffe52f3
MC		 353 return 0;
354
8a15ad1f 355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 356 netif_device_detach(netdev);
357 qlcnic_napi_disable(adapter);
358 }
359
cffe52f3 360 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
363 qlcnic_set_multi(adapter->netdev);
364
8a15ad1f 365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 366 netif_device_attach(netdev);
367 qlcnic_napi_enable(adapter);
368 }
369 return 0;
370}
371
1690be63
VY		 372static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
373 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 374{
375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
376 int err = -EOPNOTSUPP;
377
3e5c112f
VY		 378 if (!adapter->fdb_mac_learn)
379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 380
381 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
52e493d0
JK		 382 if (is_unicast_ether_addr(addr)) {
383 err = dev_uc_del(netdev, addr);
384 if (!err)
385 err = qlcnic_nic_del_mac(adapter, addr);
386 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 387 err = dev_mc_del(netdev, addr);
52e493d0 388 } else {
fe1adc6b 389 err = -EINVAL;
52e493d0 390 }
fe1adc6b
JK		 391 }
392 return err;
393}
394
395static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
396 struct net_device *netdev,
397 const unsigned char *addr, u16 flags)
398{
399 struct qlcnic_adapter *adapter = netdev_priv(netdev);
400 int err = 0;
401
3e5c112f
VY		 402 if (!adapter->fdb_mac_learn)
403 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 404
405 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
406 pr_info("%s: FDB e-switch is not enabled\n", __func__);
407 return -EOPNOTSUPP;
408 }
409
410 if (ether_addr_equal(addr, adapter->mac_addr))
411 return err;
412
52e493d0
JK		 413 if (is_unicast_ether_addr(addr)) {
414 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
415 err = dev_uc_add_excl(netdev, addr);
416 else
417 err = -ENOMEM;
418 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 419 err = dev_mc_add_excl(netdev, addr);
52e493d0 420 } else {
fe1adc6b 421 err = -EINVAL;
52e493d0 422 }
fe1adc6b
JK		 423
424 return err;
425}
426
427static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
428 struct net_device *netdev, int idx)
429{
430 struct qlcnic_adapter *adapter = netdev_priv(netdev);
431
3e5c112f
VY		 432 if (!adapter->fdb_mac_learn)
433 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 434
435 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
436 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
437
438 return idx;
439}
440
7e2cf4fe
SC		 441static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
442{
443 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
444 usleep_range(10000, 11000);
445
66451615
SC		 446 if (!adapter->fw_work.work.func)
447 return;
448
7e2cf4fe
SC		 449 cancel_delayed_work_sync(&adapter->fw_work);
450}
451
07a251c8
SS		 452static int qlcnic_get_phys_port_id(struct net_device *netdev,
453 struct netdev_phys_port_id *ppid)
454{
455 struct qlcnic_adapter *adapter = netdev_priv(netdev);
456 struct qlcnic_hardware_context *ahw = adapter->ahw;
457
458 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
459 return -EOPNOTSUPP;
460
461 ppid->id_len = sizeof(ahw->phys_port_id);
462 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
463
464 return 0;
465}
466
7f1f6056 467#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 468static void qlcnic_add_vxlan_port(struct net_device *netdev,
469 sa_family_t sa_family, __be16 port)
470{
471 struct qlcnic_adapter *adapter = netdev_priv(netdev);
472 struct qlcnic_hardware_context *ahw = adapter->ahw;
473
474 /* Adapter supports only one VXLAN port. Use very first port
475 * for enabling offload
476 */
477 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
478 return;
479
480 ahw->vxlan_port = ntohs(port);
481 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
482}
483
484static void qlcnic_del_vxlan_port(struct net_device *netdev,
485 sa_family_t sa_family, __be16 port)
486{
487 struct qlcnic_adapter *adapter = netdev_priv(netdev);
488 struct qlcnic_hardware_context *ahw = adapter->ahw;
489
490 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
491 (ahw->vxlan_port != ntohs(port)))
492 return;
493
494 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
495}
7f1f6056 496#endif
2b3d7b75 497
af19b491
AKS		 498static const struct net_device_ops qlcnic_netdev_ops = {
499 .ndo_open = qlcnic_open,
500 .ndo_stop = qlcnic_close,
501 .ndo_start_xmit = qlcnic_xmit_frame,
502 .ndo_get_stats = qlcnic_get_stats,
503 .ndo_validate_addr = eth_validate_addr,
afc4b13d 504 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 505 .ndo_set_mac_address = qlcnic_set_mac,
506 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 507 .ndo_fix_features = qlcnic_fix_features,
508 .ndo_set_features = qlcnic_set_features,
af19b491 509 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 510 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
511 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 512 .ndo_fdb_add = qlcnic_fdb_add,
513 .ndo_fdb_del = qlcnic_fdb_del,
514 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 515 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
7f1f6056 516#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 517 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
518 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
7f1f6056 519#endif
af19b491
AKS		 520#ifdef CONFIG_NET_POLL_CONTROLLER
521 .ndo_poll_controller = qlcnic_poll_controller,
522#endif
4000e7a7
RB		 523#ifdef CONFIG_QLCNIC_SRIOV
524 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
525 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
526 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 527 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 528 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 529#endif
af19b491
AKS		 530};
531
b43e5ee7
SC		 532static const struct net_device_ops qlcnic_netdev_failed_ops = {
533 .ndo_open = qlcnic_open,
534};
535
2e9d722d 536static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 537 .config_bridged_mode = qlcnic_config_bridged_mode,
538 .config_led = qlcnic_82xx_config_led,
539 .start_firmware = qlcnic_82xx_start_firmware,
540 .request_reset = qlcnic_82xx_dev_request_reset,
541 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
542 .napi_add = qlcnic_82xx_napi_add,
4be41e92 543 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 544 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 545 .shutdown = qlcnic_82xx_shutdown,
546 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 547 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
548};
549
550struct qlcnic_nic_template qlcnic_vf_ops = {
551 .config_bridged_mode = qlcnicvf_config_bridged_mode,
552 .config_led = qlcnicvf_config_led,
553 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 554};
555
7e2cf4fe
SC		 556static struct qlcnic_hardware_ops qlcnic_hw_ops = {
557 .read_crb = qlcnic_82xx_read_crb,
558 .write_crb = qlcnic_82xx_write_crb,
559 .read_reg = qlcnic_82xx_hw_read_wx_2M,
560 .write_reg = qlcnic_82xx_hw_write_wx_2M,
561 .get_mac_address = qlcnic_82xx_get_mac_address,
562 .setup_intr = qlcnic_82xx_setup_intr,
563 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
564 .mbx_cmd = qlcnic_82xx_issue_cmd,
565 .get_func_no = qlcnic_82xx_get_func_no,
566 .api_lock = qlcnic_82xx_api_lock,
567 .api_unlock = qlcnic_82xx_api_unlock,
568 .add_sysfs = qlcnic_82xx_add_sysfs,
569 .remove_sysfs = qlcnic_82xx_remove_sysfs,
570 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
571 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
572 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 573 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
574 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 575 .setup_link_event = qlcnic_82xx_linkevent_request,
576 .get_nic_info = qlcnic_82xx_get_nic_info,
577 .get_pci_info = qlcnic_82xx_get_pci_info,
578 .set_nic_info = qlcnic_82xx_set_nic_info,
579 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
580 .napi_enable = qlcnic_82xx_napi_enable,
581 .napi_disable = qlcnic_82xx_napi_disable,
582 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
583 .config_rss = qlcnic_82xx_config_rss,
584 .config_hw_lro = qlcnic_82xx_config_hw_lro,
585 .config_loopback = qlcnic_82xx_set_lb_mode,
586 .clear_loopback = qlcnic_82xx_clear_lb_mode,
587 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
588 .change_l2_filter = qlcnic_82xx_change_filter,
589 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 590 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 591 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 592 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 593 .io_error_detected = qlcnic_82xx_io_error_detected,
594 .io_slot_reset = qlcnic_82xx_io_slot_reset,
595 .io_resume = qlcnic_82xx_io_resume,
a0431589 596 .get_beacon_state = qlcnic_82xx_get_beacon_state,
2cc5752e
M		 597 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
598 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
599 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
600 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
225837a0
SS		 601 .get_saved_state = qlcnic_82xx_get_saved_state,
602 .set_saved_state = qlcnic_82xx_set_saved_state,
603 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
604 .get_cap_size = qlcnic_82xx_get_cap_size,
605 .set_sys_info = qlcnic_82xx_set_sys_info,
606 .store_cap_mask = qlcnic_82xx_store_cap_mask,
2e9d722d
AC		 607};
608
34e8c406 609static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
012ec812
HM		 610{
611 struct qlcnic_hardware_context *ahw = adapter->ahw;
012ec812 612
34e8c406 613 if (qlcnic_82xx_check(adapter) &&
012ec812 614 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
34e8c406
HM		 615 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
616 return 0;
012ec812 617 } else {
34e8c406 618 return 1;
012ec812
HM		 619 }
620}
621
34e8c406
HM		 622static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
623 int queue_type)
624{
625 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
626
627 if (queue_type == QLCNIC_RX_QUEUE)
628 max_rings = adapter->max_sds_rings;
629 else if (queue_type == QLCNIC_TX_QUEUE)
630 max_rings = adapter->max_tx_rings;
631
632 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
633 max_rings));
634
635 if (ring_cnt > num_rings)
636 return num_rings;
637 else
638 return ring_cnt;
639}
640
641void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
642{
643 /* 83xx adapter does not have max_tx_rings intialized in probe */
644 if (adapter->max_tx_rings)
645 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
646 QLCNIC_TX_QUEUE);
647 else
648 adapter->drv_tx_rings = tx_cnt;
34e8c406
HM		 649}
650
651void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
652{
653 /* 83xx adapter does not have max_sds_rings intialized in probe */
654 if (adapter->max_sds_rings)
655 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
656 QLCNIC_RX_QUEUE);
657 else
658 adapter->drv_sds_rings = rx_cnt;
34e8c406
HM		 659}
660
cb9327d5 661int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
af19b491 662{
af19b491 663 struct pci_dev *pdev = adapter->pdev;
cb9327d5
HM		 664 int num_msix = 0, err = 0, vector;
665
666 adapter->flags &= ~QLCNIC_TSS_RSS;
667
668 if (adapter->drv_tss_rings > 0)
669 num_msix += adapter->drv_tss_rings;
670 else
671 num_msix += adapter->drv_tx_rings;
672
8564ae09 673 if (adapter->drv_rss_rings > 0)
cb9327d5
HM		 674 num_msix += adapter->drv_rss_rings;
675 else
676 num_msix += adapter->drv_sds_rings;
677
678 if (qlcnic_83xx_check(adapter))
679 num_msix += 1;
680
681 if (!adapter->msix_entries) {
682 adapter->msix_entries = kcalloc(num_msix,
683 sizeof(struct msix_entry),
684 GFP_KERNEL);
685 if (!adapter->msix_entries)
686 return -ENOMEM;
687 }
688
cb9327d5
HM		 689 for (vector = 0; vector < num_msix; vector++)
690 adapter->msix_entries[vector].entry = vector;
691
8564ae09 692restore:
f7167750
AG		 693 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
694 if (err == -ENOSPC) {
8564ae09 695 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
f7167750 696 return err;
da6c8063 697
cb9327d5
HM		 698 netdev_info(adapter->netdev,
699 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
700 num_msix, err);
701
702 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
703
704 /* Set rings to 0 so we can restore original TSS/RSS count */
705 adapter->drv_tss_rings = 0;
706 adapter->drv_rss_rings = 0;
707
708 if (qlcnic_83xx_check(adapter))
709 num_msix += 1;
710
711 netdev_info(adapter->netdev,
712 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
713 adapter->drv_tx_rings, adapter->drv_sds_rings,
714 num_msix);
cb9327d5 715
8564ae09
AG		 716 goto restore;
717 } else if (err < 0) {
718 return err;
da6c8063 719 }
13159183 720
8564ae09
AG		 721 adapter->ahw->num_msix = num_msix;
722 if (adapter->drv_tss_rings > 0)
723 adapter->drv_tx_rings = adapter->drv_tss_rings;
724
725 if (adapter->drv_rss_rings > 0)
726 adapter->drv_sds_rings = adapter->drv_rss_rings;
727
728 return 0;
cb9327d5
HM		 729}
730
731int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
732{
733 struct pci_dev *pdev = adapter->pdev;
74a1fa45 734 int err, vector;
cb9327d5 735
13159183
SC		 736 if (!adapter->msix_entries) {
737 adapter->msix_entries = kcalloc(num_msix,
738 sizeof(struct msix_entry),
739 GFP_KERNEL);
b2adaca9 740 if (!adapter->msix_entries)
13159183 741 return -ENOMEM;
13159183 742 }
af19b491 743
af19b491 744 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 745
79788450 746 if (adapter->ahw->msix_supported) {
cb9327d5
HM		 747enable_msix:
748 for (vector = 0; vector < num_msix; vector++)
749 adapter->msix_entries[vector].entry = vector;
750
9732ec06
AG		 751 err = pci_enable_msix_range(pdev,
752 adapter->msix_entries, 1, num_msix);
753
754 if (err == num_msix) {
af19b491 755 adapter->flags |= QLCNIC_MSIX_ENABLED;
cb9327d5 756 adapter->ahw->num_msix = num_msix;
af19b491 757 dev_info(&pdev->dev, "using msi-x interrupts\n");
74a1fa45 758 return 0;
13159183 759 } else if (err > 0) {
9732ec06
AG		 760 pci_disable_msix(pdev);
761
13159183 762 dev_info(&pdev->dev,
cb9327d5
HM		 763 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
764 num_msix, err);
765
766 if (qlcnic_82xx_check(adapter)) {
13159183 767 num_msix = rounddown_pow_of_two(err);
cb9327d5 768 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
74a1fa45 769 return -ENOSPC;
13159183 770 } else {
cb9327d5
HM		 771 num_msix = rounddown_pow_of_two(err - 1);
772 num_msix += 1;
773 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
74a1fa45 774 return -ENOSPC;
cb9327d5
HM		 775 }
776
777 if (qlcnic_82xx_check(adapter) &&
778 !qlcnic_check_multi_tx(adapter)) {
779 adapter->drv_sds_rings = num_msix;
780 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
781 } else {
782 /* Distribute vectors equally */
783 adapter->drv_tx_rings = num_msix / 2;
784 adapter->drv_sds_rings = adapter->drv_tx_rings;
13159183
SC		 785 }
786
787 if (num_msix) {
788 dev_info(&pdev->dev,
dce056cb 789 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 790 num_msix);
f94bc1e7 791 goto enable_msix;
13159183
SC		 792 }
793 } else {
dce056cb 794 dev_info(&pdev->dev,
cb9327d5
HM		 795 "Unable to allocate %d MSI-X vectors, err=%d\n",
796 num_msix, err);
797 return err;
f94bc1e7
SC		 798 }
799 }
13159183 800
74a1fa45 801 return -EIO;
f94bc1e7 802}
af19b491 803
cb9327d5
HM		 804static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
805{
806 int num_msix;
807
808 num_msix = adapter->drv_sds_rings;
809
810 if (qlcnic_check_multi_tx(adapter))
811 num_msix += adapter->drv_tx_rings;
812 else
813 num_msix += QLCNIC_SINGLE_RING;
814
815 return num_msix;
816}
817
9a97e705 818static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 819{
9a97e705 820 int err = 0;
15087c2b 821 u32 offset, mask_reg;
f94bc1e7 822 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 823 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 824 struct pci_dev *pdev = adapter->pdev;
af19b491 825
099f7aa7 826 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 827 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 828 offset = msi_tgt_status[adapter->ahw->pci_func];
829 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
830 offset);
af19b491
AKS		 831 dev_info(&pdev->dev, "using msi interrupts\n");
832 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 833 return err;
af19b491 834 }
012ec812 835
9a97e705
M		 836 if (qlcnic_use_msi || qlcnic_use_msi_x)
837 return -EOPNOTSUPP;
af19b491 838
f94bc1e7 839 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 840 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 841 offset = legacy_intrp->tgt_status_reg;
842 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
843 mask_reg = legacy_intrp->tgt_mask_reg;
844 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
845 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
846 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 847 dev_info(&pdev->dev, "using legacy interrupts\n");
848 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 849 return err;
af19b491
AKS		 850}
851
21041400 852static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
f94bc1e7 853{
9a97e705 854 int num_msix, err = 0;
f94bc1e7 855
cb9327d5
HM		 856 if (adapter->flags & QLCNIC_TSS_RSS) {
857 err = qlcnic_setup_tss_rss_intr(adapter);
858 if (err < 0)
859 return err;
860 num_msix = adapter->ahw->num_msix;
861 } else {
862 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
f94bc1e7 863
cb9327d5
HM		 864 err = qlcnic_enable_msix(adapter, num_msix);
865 if (err == -ENOMEM)
866 return err;
f94bc1e7 867
cb9327d5
HM		 868 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
869 qlcnic_disable_multi_tx(adapter);
42beb3f2 870 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
012ec812 871
cb9327d5 872 err = qlcnic_enable_msi_legacy(adapter);
fc49beae 873 if (err)
cb9327d5
HM		 874 return err;
875 }
012ec812
HM		 876 }
877
878 return 0;
879}
880
881int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
882{
883 struct qlcnic_hardware_context *ahw = adapter->ahw;
884 int err, i;
885
886 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 887 !ahw->diag_test &&
012ec812
HM		 888 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
889 ahw->intr_tbl = vzalloc(ahw->num_msix *
890 sizeof(struct qlcnic_intrpt_config));
891 if (!ahw->intr_tbl)
892 return -ENOMEM;
893
894 for (i = 0; i < ahw->num_msix; i++) {
895 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
896 ahw->intr_tbl[i].id = i;
897 ahw->intr_tbl[i].src = 0;
898 }
899
900 err = qlcnic_82xx_config_intrpt(adapter, 1);
901 if (err)
902 dev_err(&adapter->pdev->dev,
903 "Failed to configure Interrupt for %d vector\n",
904 ahw->num_msix);
9a97e705 905 return err;
012ec812 906 }
9a97e705 907
012ec812 908 return 0;
f94bc1e7 909}
13159183 910
319ecf12 911void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 912{
913 if (adapter->flags & QLCNIC_MSIX_ENABLED)
914 pci_disable_msix(adapter->pdev);
915 if (adapter->flags & QLCNIC_MSI_ENABLED)
916 pci_disable_msi(adapter->pdev);
13159183
SC		 917
918 kfree(adapter->msix_entries);
919 adapter->msix_entries = NULL;
920
921 if (adapter->ahw->intr_tbl) {
922 vfree(adapter->ahw->intr_tbl);
923 adapter->ahw->intr_tbl = NULL;
924 }
af19b491
AKS		 925}
926
f1a094a8 927static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 928{
f1a094a8
RB		 929 if (ahw->pci_base0 != NULL)
930 iounmap(ahw->pci_base0);
af19b491
AKS		 931}
932
7e2cf4fe
SC		 933static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
934{
2f514c52 935 struct qlcnic_hardware_context *ahw = adapter->ahw;
7e2cf4fe
SC		 936 struct qlcnic_pci_info *pci_info;
937 int ret;
938
939 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
2f514c52 940 switch (ahw->port_type) {
7e2cf4fe 941 case QLCNIC_GBE:
2f514c52 942 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
7e2cf4fe
SC		 943 break;
944 case QLCNIC_XGBE:
2f514c52 945 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
7e2cf4fe
SC		 946 break;
947 }
948 return 0;
949 }
950
2f514c52 951 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
7e2cf4fe
SC		 952 return 0;
953
2f514c52 954 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
7e2cf4fe
SC		 955 if (!pci_info)
956 return -ENOMEM;
957
958 ret = qlcnic_get_pci_info(adapter, pci_info);
959 kfree(pci_info);
960 return ret;
961}
d71170fb 962
35dafcb0
SC		 963static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
964{
965 bool ret = false;
966
967 if (qlcnic_84xx_check(adapter)) {
968 ret = true;
969 } else if (qlcnic_83xx_check(adapter)) {
970 if (adapter->ahw->extra_capability[0] &
971 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
972 ret = true;
973 else
974 ret = false;
975 }
976
977 return ret;
978}
979
d71170fb 980int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 981{
2f514c52 982 struct qlcnic_hardware_context *ahw = adapter->ahw;
e88db3bd 983 struct qlcnic_pci_info *pci_info;
4c776aad 984 int i, id = 0, ret = 0, j = 0;
bff57d8e 985 u16 act_pci_func;
346fe763
RB		 986 u8 pfn;
987
2f514c52 988 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
e88db3bd
DC		 989 if (!pci_info)
990 return -ENOMEM;
991
bff57d8e
SC		 992 ret = qlcnic_get_pci_info(adapter, pci_info);
993 if (ret)
994 goto err_pci_info;
995
2f514c52 996 act_pci_func = ahw->total_nic_func;
bff57d8e 997
ca315ac2 998 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 999 act_pci_func, GFP_KERNEL);
e88db3bd 1000 if (!adapter->npars) {
900853a4 1001 ret = -ENOMEM;
e88db3bd
DC		 1002 goto err_pci_info;
1003 }
346fe763 1004
ca315ac2 1005 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 1006 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1007 if (!adapter->eswitch) {
900853a4 1008 ret = -ENOMEM;
ca315ac2 1009 goto err_npars;
346fe763
RB		 1010 }
1011
2f514c52 1012 for (i = 0; i < ahw->max_vnic_func; i++) {
ca315ac2 1013 pfn = pci_info[i].id;
bff57d8e 1014
2f514c52 1015 if (pfn >= ahw->max_vnic_func) {
f848d6dd 1016 ret = QL_STATUS_INVALID_PARAM;
c65762fc
SC		 1017 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1018 __func__, pfn, ahw->max_vnic_func);
f848d6dd
SC		 1019 goto err_eswitch;
1020 }
bff57d8e
SC		 1021
1022 if (!pci_info[i].active ||
1023 (pci_info[i].type != QLCNIC_TYPE_NIC))
1024 continue;
1025
35dafcb0 1026 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 1027 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1028 &id))
35dafcb0
SC		 1029 adapter->npars[j].eswitch_status = true;
1030 else
1031 continue;
1032 } else {
1033 adapter->npars[j].eswitch_status = true;
1034 }
1035
bff57d8e
SC		 1036 adapter->npars[j].pci_func = pfn;
1037 adapter->npars[j].active = (u8)pci_info[i].active;
1038 adapter->npars[j].type = (u8)pci_info[i].type;
1039 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1040 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1041 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 1042
9e630955 1043 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 1044 j++;
346fe763
RB		 1045 }
1046
4c776aad
SC		 1047 /* Update eSwitch status for adapters without per port eSwitch
1048 * configuration capability
1049 */
1050 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 1051 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1052 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 1053 }
ca315ac2 1054
e88db3bd 1055 kfree(pci_info);
ca315ac2
DC		 1056 return 0;
1057
1058err_eswitch:
346fe763
RB		 1059 kfree(adapter->eswitch);
1060 adapter->eswitch = NULL;
ca315ac2 1061err_npars:
346fe763 1062 kfree(adapter->npars);
ca315ac2 1063 adapter->npars = NULL;
e88db3bd
DC		 1064err_pci_info:
1065 kfree(pci_info);
346fe763
RB		 1066
1067 return ret;
1068}
1069
2e9d722d
AC		 1070static int
1071qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1072{
1073 u8 id;
7e8fd003 1074 int ret;
2e9d722d 1075 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 1076 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 1077
2e9d722d
AC		 1078 ret = qlcnic_api_lock(adapter);
1079 if (ret)
1080 goto err_lock;
2e9d722d 1081
7e8fd003
SS		 1082 id = ahw->pci_func;
1083 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1084 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1085 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 1086 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 1087 qlcnic_api_unlock(adapter);
1088err_lock:
1089 return ret;
1090}
1091
13159183
SC		 1092static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1093 const struct pci_device_id *ent)
2e9d722d 1094{
2e9d722d
AC		 1095 u32 op_mode, priv_level;
1096
1097 /* Determine FW API version */
13159183
SC		 1098 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1099 QLCNIC_FW_API);
2e9d722d
AC		 1100
1101 /* Find PCI function number */
13159183 1102 qlcnic_get_func_no(adapter);
2e9d722d
AC		 1103
1104 /* Determine function privilege level */
13159183 1105 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 1106 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 1107 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 1108 else
b1fc6d3c 1109 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 1110
0866d96d 1111 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 1112 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 1113 dev_info(&adapter->pdev->dev,
1114 "HAL Version: %d Non Privileged function\n",
79788450 1115 adapter->ahw->fw_hal_version);
9f26f547 1116 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 1117 } else
1118 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 1119}
1120
15087c2b 1121#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 1122#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 1123static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1124{
1125 switch (dev_id) {
1126 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1127 *bar = QLCNIC_82XX_BAR0_LENGTH;
1128 break;
13159183 1129 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 1130 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 1131 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 1132 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 1133 *bar = QLCNIC_83XX_BAR0_LENGTH;
1134 break;
15087c2b
SC		 1135 default:
1136 *bar = 0;
1137 }
1138}
1139
1140static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1141 struct qlcnic_hardware_context *ahw)
af19b491 1142{
15087c2b 1143 u32 offset;
af19b491 1144 void __iomem *mem_ptr0 = NULL;
15087c2b 1145 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 1146
af19b491 1147 /* remap phys address */
af19b491
AKS		 1148 mem_len = pci_resource_len(pdev, 0);
1149
15087c2b
SC		 1150 qlcnic_get_bar_length(pdev->device, &bar0_len);
1151 if (mem_len >= bar0_len) {
af19b491
AKS		 1152
1153 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1154 if (mem_ptr0 == NULL) {
1155 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1156 return -EIO;
1157 }
1158 pci_len0 = mem_len;
1159 } else {
1160 return -EIO;
1161 }
1162
f8468331 1163 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1164
15087c2b
SC		 1165 ahw->pci_base0 = mem_ptr0;
1166 ahw->pci_len0 = pci_len0;
1167 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1168 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1169
1170 return 0;
1171}
1172
60dcbcb0
MC		 1173static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1174 int index)
2343f06a
MC		 1175{
1176 struct pci_dev *pdev = adapter->pdev;
1177 unsigned short subsystem_vendor;
1178 bool ret = true;
1179
1180 subsystem_vendor = pdev->subsystem_vendor;
1181
1182 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1183 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1184 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1185 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1186 ret = true;
1187 else
1188 ret = false;
1189 }
1190
1191 return ret;
1192}
1193
22999798 1194static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1195{
1196 struct pci_dev *pdev = adapter->pdev;
1197 int i, found = 0;
1198
1199 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1200 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1201 qlcnic_boards[i].device == pdev->device &&
1202 qlcnic_validate_subsystem_id(adapter, i)) {
1203 found = 1;
1204 break;
af19b491 1205 }
af19b491
AKS		 1206 }
1207
1208 if (!found)
7f9a0c34 1209 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1210 else
1211 sprintf(name, "%pM: %s" , adapter->mac_addr,
1212 qlcnic_boards[i].short_name);
af19b491
AKS		 1213}
1214
1215static void
1216qlcnic_check_options(struct qlcnic_adapter *adapter)
1217{
a15ebd37 1218 int err;
031a4a26 1219 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1220 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1221 struct qlcnic_hardware_context *ahw = adapter->ahw;
1222 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1223
1224 prev_fw_version = adapter->fw_version;
af19b491 1225
a15ebd37
HM		 1226 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1227 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1228 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1229
1230 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1231
a15ebd37
HM		 1232 err = qlcnic_get_board_info(adapter);
1233 if (err) {
1234 dev_err(&pdev->dev, "Error getting board config info.\n");
1235 return;
1236 }
1237 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1238 if (fw_dump->tmpl_hdr == NULL ||
1239 adapter->fw_version > prev_fw_version) {
1240 if (fw_dump->tmpl_hdr)
1241 vfree(fw_dump->tmpl_hdr);
1242 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1243 dev_info(&pdev->dev,
1244 "Supports FW dump capability\n");
1245 }
1246 }
1247
13159183
SC		 1248 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1249 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1250
b1fc6d3c 1251 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1252 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1253 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1254 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1255 } else {
1256 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1257 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1258 }
1259
af19b491 1260 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1261 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1262
b1fc6d3c 1263 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1264 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1265 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1266 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1267 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1268 }
1269
099f7aa7 1270 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1271
1272 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1273
251b036a 1274 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1275}
1276
174240a8
RB		 1277static int
1278qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1279{
174240a8 1280 struct qlcnic_info nic_info;
4bd8e738 1281 int err = 0;
174240a8 1282
bff57d8e 1283 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1284 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1285 if (err)
1286 return err;
1287
79788450
SC		 1288 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1289 adapter->ahw->switch_mode = nic_info.switch_mode;
1290 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1291 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1292 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1293
1294 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1295 u32 temp;
4bd8e738
HM		 1296 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1297 if (err == -EIO)
1298 return err;
db131786 1299 adapter->ahw->extra_capability[0] = temp;
d6994ca7
SS		 1300 } else {
1301 adapter->ahw->extra_capability[0] = 0;
776e7bde 1302 }
d6994ca7 1303
79788450
SC		 1304 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1305 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1306
34e8c406 1307 if (adapter->ahw->capabilities & BIT_6) {
174240a8 1308 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
34e8c406
HM		 1309 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1310 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1311 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1312
1313 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1314 } else {
1315 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1316 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
f9566265 1317 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
174240a8 1318 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
34e8c406 1319 }
174240a8
RB		 1320
1321 return err;
1322}
1323
ec079a07
SC		 1324void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1325 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1326{
1327 if (esw_cfg->discard_tagged)
1328 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1329 else
1330 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1331
91b7282b
RB		 1332 if (esw_cfg->vlan_id) {
1333 adapter->rx_pvid = esw_cfg->vlan_id;
1334 adapter->tx_pvid = esw_cfg->vlan_id;
1335 } else {
1336 adapter->rx_pvid = 0;
1337 adapter->tx_pvid = 0;
1338 }
8cf61f89
AKS		 1339}
1340
8e586137 1341static int
80d5c368 1342qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1343{
1344 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1345 int err;
1346
1347 if (qlcnic_sriov_vf_check(adapter)) {
1348 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1349 if (err) {
1350 netdev_err(netdev,
1351 "Cannot add VLAN filter for VLAN id %d, err=%d",
1352 vid, err);
1353 return err;
1354 }
1355 }
1356
b9796a14 1357 set_bit(vid, adapter->vlans);
8e586137 1358 return 0;
b9796a14
AC		 1359}
1360
8e586137 1361static int
80d5c368 1362qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1363{
1364 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1365 int err;
1366
1367 if (qlcnic_sriov_vf_check(adapter)) {
1368 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1369 if (err) {
1370 netdev_err(netdev,
1371 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1372 vid, err);
1373 return err;
1374 }
1375 }
b9796a14
AC		 1376
1377 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1378 clear_bit(vid, adapter->vlans);
8e586137 1379 return 0;
b9796a14
AC		 1380}
1381
ec079a07
SC		 1382void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1383 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1384{
ee07c1a7
RB		 1385 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1386 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1387
1388 if (esw_cfg->mac_anti_spoof)
1389 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1390
7373373d
RB		 1391 if (!esw_cfg->mac_override)
1392 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1393
ee07c1a7
RB		 1394 if (!esw_cfg->promisc_mode)
1395 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1396}
1397
d71170fb 1398int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1399{
1400 struct qlcnic_esw_func_cfg esw_cfg;
1401
1402 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1403 return 0;
1404
b1fc6d3c 1405 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1406 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1407 return -EIO;
8cf61f89 1408 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1409 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1410 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1411
1412 return 0;
1413}
1414
147a9088
SS		 1415void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1416 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1417{
1418 struct net_device *netdev = adapter->netdev;
13159183
SC		 1419
1420 if (qlcnic_83xx_check(adapter))
1421 return;
0325d69b 1422
147a9088
SS		 1423 adapter->offload_flags = esw_cfg->offload_flags;
1424 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1425 netdev_update_features(netdev);
1426 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1427}
1428
0866d96d
AC		 1429static int
1430qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1431{
0866d96d
AC		 1432 u32 op_mode, priv_level;
1433 int err = 0;
1434
174240a8
RB		 1435 err = qlcnic_initialize_nic(adapter);
1436 if (err)
1437 return err;
1438
0866d96d
AC		 1439 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1440 return 0;
1441
13159183 1442 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1443 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1444
1445 if (op_mode == QLC_DEV_DRV_DEFAULT)
1446 priv_level = QLCNIC_MGMT_FUNC;
1447 else
b1fc6d3c 1448 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1449
174240a8 1450 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1451 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1452 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1453 err = qlcnic_init_pci_info(adapter);
1454 if (err)
1455 return err;
1456 /* Set privilege level for other functions */
1457 qlcnic_set_function_modes(adapter);
1458 dev_info(&adapter->pdev->dev,
1459 "HAL Version: %d, Management function\n",
79788450 1460 adapter->ahw->fw_hal_version);
0866d96d 1461 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1462 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1463 dev_info(&adapter->pdev->dev,
1464 "HAL Version: %d, Privileged function\n",
79788450 1465 adapter->ahw->fw_hal_version);
0866d96d 1466 }
34e8c406
HM		 1467 } else {
1468 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
174240a8 1469 }
0866d96d
AC		 1470
1471 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1472
1473 return err;
1474}
1475
d71170fb 1476int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1477{
1478 struct qlcnic_esw_func_cfg esw_cfg;
1479 struct qlcnic_npar_info *npar;
1480 u8 i;
1481
174240a8 1482 if (adapter->need_fw_reset)
0325d69b
RB		 1483 return 0;
1484
2f514c52 1485 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
35dafcb0
SC		 1486 if (!adapter->npars[i].eswitch_status)
1487 continue;
1488
0325d69b 1489 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1490 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1491 esw_cfg.mac_override = BIT_0;
ee07c1a7 1492 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1493 if (qlcnic_82xx_check(adapter)) {
1494 esw_cfg.offload_flags = BIT_0;
1495 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1496 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1497 }
0325d69b
RB		 1498 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1499 return -EIO;
1500 npar = &adapter->npars[i];
1501 npar->pvid = esw_cfg.vlan_id;
7373373d 1502 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1503 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1504 npar->discard_tagged = esw_cfg.discard_tagged;
1505 npar->promisc_mode = esw_cfg.promisc_mode;
1506 npar->offload_flags = esw_cfg.offload_flags;
1507 }
1508
1509 return 0;
1510}
1511
13159183 1512
4e8acb01
RB		 1513static int
1514qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1515 struct qlcnic_npar_info *npar, int pci_func)
1516{
1517 struct qlcnic_esw_func_cfg esw_cfg;
1518 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1519 esw_cfg.pci_func = pci_func;
1520 esw_cfg.vlan_id = npar->pvid;
7373373d 1521 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1522 esw_cfg.discard_tagged = npar->discard_tagged;
1523 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1524 esw_cfg.offload_flags = npar->offload_flags;
1525 esw_cfg.promisc_mode = npar->promisc_mode;
1526 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1527 return -EIO;
1528
1529 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1530 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1531 return -EIO;
1532
1533 return 0;
1534}
1535
d71170fb 1536int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1537{
4e8acb01 1538 int i, err;
cea8975e
AC		 1539 struct qlcnic_npar_info *npar;
1540 struct qlcnic_info nic_info;
bff57d8e 1541 u8 pci_func;
cea8975e 1542
bff57d8e
SC		 1543 if (qlcnic_82xx_check(adapter))
1544 if (!adapter->need_fw_reset)
1545 return 0;
cea8975e 1546
4e8acb01 1547 /* Set the NPAR config data after FW reset */
2f514c52 1548 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
4e8acb01 1549 npar = &adapter->npars[i];
bff57d8e 1550 pci_func = npar->pci_func;
35dafcb0
SC		 1551 if (!adapter->npars[i].eswitch_status)
1552 continue;
1553
bff57d8e 1554 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1555 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1556 if (err)
1557 return err;
1558 nic_info.min_tx_bw = npar->min_bw;
1559 nic_info.max_tx_bw = npar->max_bw;
1560 err = qlcnic_set_nic_info(adapter, &nic_info);
1561 if (err)
1562 return err;
cea8975e 1563
4e8acb01
RB		 1564 if (npar->enable_pm) {
1565 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1566 npar->dest_npar, 1,
1567 pci_func);
4e8acb01
RB		 1568 if (err)
1569 return err;
cea8975e 1570 }
bff57d8e 1571 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1572 if (err)
1573 return err;
cea8975e 1574 }
4e8acb01 1575 return 0;
cea8975e
AC		 1576}
1577
78f84e1a
AKS		 1578static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1579{
1580 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1581 u32 npar_state;
1582
79788450 1583 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1584 return 0;
1585
a15ebd37
HM		 1586 npar_state = QLC_SHARED_REG_RD32(adapter,
1587 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1588 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1589 msleep(1000);
a15ebd37
HM		 1590 npar_state = QLC_SHARED_REG_RD32(adapter,
1591 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1592 }
1593 if (!npar_opt_timeo) {
1594 dev_err(&adapter->pdev->dev,
8a168ca7 1595 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1596 return -EIO;
1597 }
1598 return 0;
1599}
1600
174240a8
RB		 1601static int
1602qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1603{
1604 int err;
1605
1606 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1607 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1608 return 0;
1609
1610 err = qlcnic_set_default_offload_settings(adapter);
1611 if (err)
1612 return err;
1613
1614 err = qlcnic_reset_npar_config(adapter);
1615 if (err)
1616 return err;
1617
1618 qlcnic_dev_set_npar_ready(adapter);
1619
1620 return err;
1621}
1622
21041400 1623static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1624{
d4066833 1625 int err;
af19b491 1626
aa5e18c0
SC		 1627 err = qlcnic_can_start_firmware(adapter);
1628 if (err < 0)
1629 return err;
1630 else if (!err)
d4066833 1631 goto check_fw_status;
af19b491 1632
099f7aa7 1633 if (qlcnic_load_fw_file)
4d5bdb38 1634 qlcnic_request_firmware(adapter);
8f891387 1635 else {
8cfdce08
SC		 1636 err = qlcnic_check_flash_fw_ver(adapter);
1637 if (err)
8f891387 1638 goto err_out;
1639
79788450 1640 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1641 }
af19b491
AKS		 1642
1643 err = qlcnic_need_fw_reset(adapter);
af19b491 1644 if (err == 0)
4e70812b 1645 goto check_fw_status;
af19b491 1646
d4066833
SC		 1647 err = qlcnic_pinit_from_rom(adapter);
1648 if (err)
1649 goto err_out;
af19b491
AKS		 1650
1651 err = qlcnic_load_firmware(adapter);
1652 if (err)
1653 goto err_out;
1654
1655 qlcnic_release_firmware(adapter);
d4066833 1656 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1657
d4066833
SC		 1658check_fw_status:
1659 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1660 if (err)
1661 goto err_out;
1662
a15ebd37 1663 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1664 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1665 err = qlcnic_check_eswitch_mode(adapter);
1666 if (err) {
1667 dev_err(&adapter->pdev->dev,
1668 "Memory allocation failed for eswitch\n");
1669 goto err_out;
1670 }
174240a8
RB		 1671 err = qlcnic_set_mgmt_operations(adapter);
1672 if (err)
1673 goto err_out;
1674
1675 qlcnic_check_options(adapter);
af19b491
AKS		 1676 adapter->need_fw_reset = 0;
1677
a7fc948f
AKS		 1678 qlcnic_release_firmware(adapter);
1679 return 0;
af19b491
AKS		 1680
1681err_out:
a15ebd37 1682 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1683 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1684
af19b491
AKS		 1685 qlcnic_release_firmware(adapter);
1686 return err;
1687}
1688
1689static int
1690qlcnic_request_irq(struct qlcnic_adapter *adapter)
1691{
1692 irq_handler_t handler;
1693 struct qlcnic_host_sds_ring *sds_ring;
13159183 1694 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1695 int err, ring, num_sds_rings;
af19b491
AKS		 1696
1697 unsigned long flags = 0;
1698 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1699 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1700
79788450 1701 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1702 if (qlcnic_82xx_check(adapter))
1703 handler = qlcnic_tmp_intr;
c2534384
MC		 1704 else
1705 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1706 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1707 flags |= IRQF_SHARED;
1708
1709 } else {
1710 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1711 handler = qlcnic_msix_intr;
1712 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1713 handler = qlcnic_msi_intr;
1714 else {
1715 flags |= IRQF_SHARED;
ac166700
HM		 1716 if (qlcnic_82xx_check(adapter))
1717 handler = qlcnic_intr;
1718 else
1719 handler = qlcnic_83xx_intr;
7eb9855d 1720 }
af19b491
AKS		 1721 }
1722 adapter->irq = netdev->irq;
1723
13159183 1724 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1725 if (qlcnic_82xx_check(adapter) ||
1726 (qlcnic_83xx_check(adapter) &&
1727 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1728 num_sds_rings = adapter->drv_sds_rings;
ddb2e174 1729 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1730 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1731 if (qlcnic_82xx_check(adapter) &&
012ec812 1732 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1733 (ring == (num_sds_rings - 1))) {
1734 if (!(adapter->flags &
1735 QLCNIC_MSIX_ENABLED))
1736 snprintf(sds_ring->name,
1737 sizeof(sds_ring->name),
1738 "qlcnic");
1739 else
1740 snprintf(sds_ring->name,
1741 sizeof(sds_ring->name),
1742 "%s-tx-0-rx-%d",
1743 netdev->name, ring);
1744 } else {
ddb2e174
HM		 1745 snprintf(sds_ring->name,
1746 sizeof(sds_ring->name),
aa2a8034 1747 "%s-rx-%d",
ddb2e174 1748 netdev->name, ring);
aa2a8034 1749 }
ac166700
HM		 1750 err = request_irq(sds_ring->irq, handler, flags,
1751 sds_ring->name, sds_ring);
1752 if (err)
1753 return err;
1754 }
13159183 1755 }
012ec812
HM		 1756 if ((qlcnic_82xx_check(adapter) &&
1757 qlcnic_check_multi_tx(adapter)) ||
1758 (qlcnic_83xx_check(adapter) &&
1759 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1760 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183 1761 handler = qlcnic_msix_tx_intr;
34e8c406 1762 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1763 ring++) {
1764 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1765 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1766 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1767 err = request_irq(tx_ring->irq, handler, flags,
1768 tx_ring->name, tx_ring);
1769 if (err)
1770 return err;
1771 }
1772 }
af19b491 1773 }
af19b491
AKS		 1774 return 0;
1775}
1776
1777static void
1778qlcnic_free_irq(struct qlcnic_adapter *adapter)
1779{
1780 int ring;
1781 struct qlcnic_host_sds_ring *sds_ring;
13159183 1782 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1783
b1fc6d3c 1784 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1785
13159183 1786 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1787 if (qlcnic_82xx_check(adapter) ||
1788 (qlcnic_83xx_check(adapter) &&
1789 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1790 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
ac166700
HM		 1791 sds_ring = &recv_ctx->sds_rings[ring];
1792 free_irq(sds_ring->irq, sds_ring);
1793 }
13159183 1794 }
012ec812
HM		 1795 if ((qlcnic_83xx_check(adapter) &&
1796 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1797 (qlcnic_82xx_check(adapter) &&
1798 qlcnic_check_multi_tx(adapter))) {
34e8c406 1799 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1800 ring++) {
1801 tx_ring = &adapter->tx_ring[ring];
1802 if (tx_ring->irq)
1803 free_irq(tx_ring->irq, tx_ring);
1804 }
1805 }
af19b491
AKS		 1806 }
1807}
1808
99e85879
SS		 1809static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1810{
1811 u32 capab = 0;
1812
1813 if (qlcnic_82xx_check(adapter)) {
db131786 1814 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1815 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1816 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1817 } else {
1818 capab = adapter->ahw->capabilities;
1819 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1820 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1821 }
1822}
1823
a514722a
HM		 1824static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1825{
1826 struct qlcnic_hardware_context *ahw = adapter->ahw;
1827 int err;
1828
1829 /* Initialize interrupt coalesce parameters */
1830 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1831
1832 if (qlcnic_83xx_check(adapter)) {
1833 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1834 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1835 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1836 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1837 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1838
1839 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1840 } else {
1841 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1842 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1843 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1844
1845 err = qlcnic_82xx_set_rx_coalesce(adapter);
1846 }
1847
1848 return err;
1849}
1850
319ecf12 1851int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1852{
8a15ad1f
AKS		 1853 int ring;
1854 struct qlcnic_host_rds_ring *rds_ring;
1855
af19b491
AKS		 1856 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1857 return -EIO;
1858
8a15ad1f
AKS		 1859 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1860 return 0;
012ec812 1861
0325d69b
RB		 1862 if (qlcnic_set_eswitch_port_config(adapter))
1863 return -EIO;
012ec812 1864
99e85879 1865 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1866
8a15ad1f
AKS		 1867 if (qlcnic_fw_create_ctx(adapter))
1868 return -EIO;
1869
1870 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1871 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1872 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1873 }
1874
af19b491
AKS		 1875 qlcnic_set_multi(netdev);
1876 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1877
b1fc6d3c 1878 adapter->ahw->linkup = 0;
af19b491 1879
34e8c406 1880 if (adapter->drv_sds_rings > 1)
af19b491
AKS		 1881 qlcnic_config_rss(adapter, 1);
1882
a514722a 1883 qlcnic_config_def_intr_coalesce(adapter);
af19b491 1884
24763d80 1885 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1886 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1887
cfacb172 1888 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1889 qlcnic_napi_enable(adapter);
1890
1891 qlcnic_linkevent_request(adapter, 1);
1892
79788450 1893 adapter->ahw->reset_context = 0;
060d0564 1894 netif_tx_start_all_queues(netdev);
af19b491
AKS		 1895 return 0;
1896}
1897
629263ac 1898int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1899{
1900 int err = 0;
1901
1902 rtnl_lock();
1903 if (netif_running(netdev))
1904 err = __qlcnic_up(adapter, netdev);
1905 rtnl_unlock();
1906
1907 return err;
1908}
1909
319ecf12 1910void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1911{
012ec812
HM		 1912 int ring;
1913
af19b491
AKS		 1914 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1915 return;
1916
1917 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1918 return;
1919
1920 smp_mb();
af19b491 1921 netif_carrier_off(netdev);
0a46bac0 1922 adapter->ahw->linkup = 0;
af19b491
AKS		 1923 netif_tx_disable(netdev);
1924
1925 qlcnic_free_mac_list(adapter);
1926
b5e5492c
AKS		 1927 if (adapter->fhash.fnum)
1928 qlcnic_delete_lb_filters(adapter);
1929
af19b491 1930 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
74b7ba1a
RB		 1931 if (qlcnic_sriov_vf_check(adapter))
1932 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1933
1934 qlcnic_napi_disable(adapter);
1935
8a15ad1f 1936 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1937 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1938
1939 qlcnic_reset_rx_buffers_list(adapter);
012ec812 1940
34e8c406 1941 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
012ec812 1942 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1943}
1944
1945/* Usage: During suspend and firmware recovery module */
1946
629263ac 1947void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1948{
1949 rtnl_lock();
1950 if (netif_running(netdev))
1951 __qlcnic_down(adapter, netdev);
1952 rtnl_unlock();
1953
1954}
1955
319ecf12 1956int
af19b491
AKS		 1957qlcnic_attach(struct qlcnic_adapter *adapter)
1958{
1959 struct net_device *netdev = adapter->netdev;
1960 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1961 int err;
af19b491
AKS		 1962
1963 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1964 return 0;
1965
af19b491
AKS		 1966 err = qlcnic_napi_add(adapter, netdev);
1967 if (err)
1968 return err;
1969
1970 err = qlcnic_alloc_sw_resources(adapter);
1971 if (err) {
1972 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1973 goto err_out_napi_del;
af19b491
AKS		 1974 }
1975
1976 err = qlcnic_alloc_hw_resources(adapter);
1977 if (err) {
1978 dev_err(&pdev->dev, "Error in setting hw resources\n");
1979 goto err_out_free_sw;
1980 }
1981
af19b491
AKS		 1982 err = qlcnic_request_irq(adapter);
1983 if (err) {
1984 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1985 goto err_out_free_hw;
af19b491
AKS		 1986 }
1987
af19b491
AKS		 1988 qlcnic_create_sysfs_entries(adapter);
1989
7f1f6056 1990#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 1991 if (qlcnic_encap_rx_offload(adapter))
1992 vxlan_get_rx_port(netdev);
7f1f6056 1993#endif
2b3d7b75 1994
af19b491
AKS		 1995 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1996 return 0;
1997
8a15ad1f 1998err_out_free_hw:
af19b491
AKS		 1999 qlcnic_free_hw_resources(adapter);
2000err_out_free_sw:
2001 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 2002err_out_napi_del:
2003 qlcnic_napi_del(adapter);
af19b491
AKS		 2004 return err;
2005}
2006
319ecf12 2007void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 2008{
2009 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2010 return;
2011
2012 qlcnic_remove_sysfs_entries(adapter);
2013
2014 qlcnic_free_hw_resources(adapter);
2015 qlcnic_release_rx_buffers(adapter);
2016 qlcnic_free_irq(adapter);
2017 qlcnic_napi_del(adapter);
2018 qlcnic_free_sw_resources(adapter);
2019
2020 adapter->is_up = 0;
2021}
2022
34e8c406 2023void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
7eb9855d
AKS		 2024{
2025 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2026 struct qlcnic_host_sds_ring *sds_ring;
34e8c406 2027 int drv_tx_rings = adapter->drv_tx_rings;
7eb9855d
AKS		 2028 int ring;
2029
78ad3892 2030 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 2031 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2032 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2033 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2034 qlcnic_disable_sds_intr(adapter, sds_ring);
cdaff185 2035 }
7eb9855d
AKS		 2036 }
2037
8a15ad1f
AKS		 2038 qlcnic_fw_destroy_ctx(adapter);
2039
7eb9855d
AKS		 2040 qlcnic_detach(adapter);
2041
79788450 2042 adapter->ahw->diag_test = 0;
34e8c406
HM		 2043 adapter->drv_sds_rings = drv_sds_rings;
2044 adapter->drv_tx_rings = drv_tx_rings;
7eb9855d
AKS		 2045
2046 if (qlcnic_attach(adapter))
34ce3626 2047 goto out;
7eb9855d
AKS		 2048
2049 if (netif_running(netdev))
2050 __qlcnic_up(adapter, netdev);
34ce3626 2051out:
7eb9855d
AKS		 2052 netif_device_attach(netdev);
2053}
2054
b1fc6d3c
AC		 2055static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2056{
868e9144 2057 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 2058 int err = 0;
be273dc1 2059
b1fc6d3c
AC		 2060 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2061 GFP_KERNEL);
2062 if (!adapter->recv_ctx) {
b1fc6d3c 2063 err = -ENOMEM;
8816d009 2064 goto err_out;
b1fc6d3c 2065 }
a514722a 2066
868e9144
SC		 2067 if (qlcnic_83xx_check(adapter)) {
2068 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2069 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2070 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2071 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2072 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2073 } else {
2074 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2075 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2076 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2077 }
2078
4be41e92
SC		 2079 /* clear stats */
2080 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 2081err_out:
2082 return err;
2083}
2084
2085static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2086{
2087 kfree(adapter->recv_ctx);
2088 adapter->recv_ctx = NULL;
2089
18f2f616
AC		 2090 if (adapter->ahw->fw_dump.tmpl_hdr) {
2091 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2092 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2093 }
4be41e92 2094
81d0aeb0 2095 kfree(adapter->ahw->reset.buff);
4be41e92 2096 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 2097}
2098
7eb9855d
AKS		 2099int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2100{
2101 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2102 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 2103 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 2104 int ring;
2105 int ret;
2106
2107 netif_device_detach(netdev);
2108
2109 if (netif_running(netdev))
2110 __qlcnic_down(adapter, netdev);
2111
2112 qlcnic_detach(adapter);
2113
34e8c406 2114 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
79788450 2115 adapter->ahw->diag_test = test;
4be41e92 2116 adapter->ahw->linkup = 0;
7eb9855d
AKS		 2117
2118 ret = qlcnic_attach(adapter);
34ce3626
AKS		 2119 if (ret) {
2120 netif_device_attach(netdev);
7eb9855d 2121 return ret;
34ce3626 2122 }
7eb9855d 2123
8a15ad1f
AKS		 2124 ret = qlcnic_fw_create_ctx(adapter);
2125 if (ret) {
2126 qlcnic_detach(adapter);
57e46248 2127 netif_device_attach(netdev);
8a15ad1f
AKS		 2128 return ret;
2129 }
2130
2131 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 2132 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 2133 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 2134 }
2135
79788450 2136 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2137 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2138 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2139 qlcnic_enable_sds_intr(adapter, sds_ring);
cdaff185 2140 }
7eb9855d 2141 }
22c8c934 2142
79788450 2143 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 2144 adapter->ahw->loopback_state = 0;
2145 qlcnic_linkevent_request(adapter, 1);
2146 }
2147
78ad3892 2148 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 2149
2150 return 0;
2151}
2152
68bf1c68
AKS		 2153/* Reset context in hardware only */
2154static int
2155qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2156{
2157 struct net_device *netdev = adapter->netdev;
2158
2159 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2160 return -EBUSY;
2161
2162 netif_device_detach(netdev);
2163
2164 qlcnic_down(adapter, netdev);
2165
2166 qlcnic_up(adapter, netdev);
2167
2168 netif_device_attach(netdev);
2169
2170 clear_bit(__QLCNIC_RESETTING, &adapter->state);
95b3890a 2171 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
68bf1c68
AKS		 2172 return 0;
2173}
2174
af19b491
AKS		 2175int
2176qlcnic_reset_context(struct qlcnic_adapter *adapter)
2177{
2178 int err = 0;
2179 struct net_device *netdev = adapter->netdev;
2180
2181 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2182 return -EBUSY;
2183
2184 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2185
2186 netif_device_detach(netdev);
2187
2188 if (netif_running(netdev))
2189 __qlcnic_down(adapter, netdev);
2190
2191 qlcnic_detach(adapter);
2192
2193 if (netif_running(netdev)) {
2194 err = qlcnic_attach(adapter);
1d5c88e3 2195 if (!err) {
34ce3626 2196 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 2197 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2198 }
af19b491
AKS		 2199 }
2200
2201 netif_device_attach(netdev);
2202 }
2203
af19b491
AKS		 2204 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2205 return err;
2206}
2207
21041400 2208static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
52e493d0
JK		 2209{
2210 struct qlcnic_hardware_context *ahw = adapter->ahw;
2f514c52 2211 u16 act_pci_fn = ahw->total_nic_func;
52e493d0
JK		 2212 u16 count;
2213
2214 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2215 if (act_pci_fn <= 2)
2216 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2217 act_pci_fn;
2218 else
2219 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2220 act_pci_fn;
2221 ahw->max_uc_count = count;
2222}
2223
f8468331 2224int
5ad6ff9d
SC		 2225qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2226 int pci_using_dac)
af19b491
AKS		 2227{
2228 int err;
2229 struct pci_dev *pdev = adapter->pdev;
2230
13159183 2231 adapter->rx_csum = 1;
79788450 2232 adapter->ahw->mc_enabled = 0;
52e493d0 2233 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2234
2235 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2236 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2237
2238 qlcnic_change_mtu(netdev, netdev->mtu);
2239
d1a1105e
RB		 2240 if (qlcnic_sriov_vf_check(adapter))
2241 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2242 else
2243 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 2244
7e38d04b 2245 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2246 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2247 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2248 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2249 NETIF_F_IPV6_CSUM);
ac8d0c4f 2250
13159183
SC		 2251 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2252 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2253 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2254 }
af19b491 2255
13159183
SC		 2256 if (pci_using_dac) {
2257 netdev->features |= NETIF_F_HIGHDMA;
2258 netdev->vlan_features |= NETIF_F_HIGHDMA;
2259 }
af19b491 2260
13159183 2261 if (qlcnic_vlan_tx_check(adapter))
f646968f 2262 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2263
91b7282b
RB		 2264 if (qlcnic_sriov_vf_check(adapter))
2265 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2266
13159183
SC		 2267 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2268 netdev->features |= NETIF_F_LRO;
135d84a9 2269
381709de
SS		 2270 if (qlcnic_encap_tx_offload(adapter)) {
2271 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2272
2273 /* encapsulation Tx offload supported by Adapter */
2274 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2275 NETIF_F_GSO_UDP_TUNNEL |
2276 NETIF_F_TSO |
2277 NETIF_F_TSO6;
2278 }
2279
2b3d7b75
SS		 2280 if (qlcnic_encap_rx_offload(adapter))
2281 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2282
7e38d04b 2283 netdev->hw_features = netdev->features;
52e493d0 2284 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2285 netdev->irq = adapter->msix_entries[0].vector;
2286
aa4a1f7d
HM		 2287 err = qlcnic_set_real_num_queues(adapter, netdev);
2288 if (err)
2289 return err;
012ec812 2290
af19b491
AKS		 2291 err = register_netdev(netdev);
2292 if (err) {
2293 dev_err(&pdev->dev, "failed to register net device\n");
2294 return err;
2295 }
2296
1de899d3 2297 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
48365e48 2298
af19b491
AKS		 2299 return 0;
2300}
2301
5ad6ff9d 2302static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2303{
2304 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2305 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2306 *pci_using_dac = 1;
2307 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2308 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2309 *pci_using_dac = 0;
2310 else {
2311 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2312 return -EIO;
2313 }
2314
2315 return 0;
2316}
2317
4be41e92
SC		 2318void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2319{
2320 int ring;
2321 struct qlcnic_host_tx_ring *tx_ring;
2322
34e8c406 2323 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2324 tx_ring = &adapter->tx_ring[ring];
2325 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2326 vfree(tx_ring->cmd_buf_arr);
2327 tx_ring->cmd_buf_arr = NULL;
2328 }
2329 }
2330 if (adapter->tx_ring != NULL)
2331 kfree(adapter->tx_ring);
2332}
2333
2334int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2335 struct net_device *netdev)
2336{
b2adaca9 2337 int ring, vector, index;
4be41e92
SC		 2338 struct qlcnic_host_tx_ring *tx_ring;
2339 struct qlcnic_cmd_buffer *cmd_buf_arr;
2340
34e8c406 2341 tx_ring = kcalloc(adapter->drv_tx_rings,
b2adaca9
JP		 2342 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2343 if (tx_ring == NULL)
4be41e92 2344 return -ENOMEM;
b2adaca9 2345
4be41e92
SC		 2346 adapter->tx_ring = tx_ring;
2347
34e8c406 2348 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2349 tx_ring = &adapter->tx_ring[ring];
2350 tx_ring->num_desc = adapter->num_txd;
2351 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2352 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2353 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2354 qlcnic_free_tx_rings(adapter);
2355 return -ENOMEM;
2356 }
2357 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2358 tx_ring->cmd_buf_arr = cmd_buf_arr;
a02bdd42 2359 spin_lock_init(&tx_ring->tx_clean_lock);
4be41e92
SC		 2360 }
2361
012ec812
HM		 2362 if (qlcnic_83xx_check(adapter) ||
2363 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
34e8c406 2364 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2365 tx_ring = &adapter->tx_ring[ring];
2366 tx_ring->adapter = adapter;
2367 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
34e8c406 2368 index = adapter->drv_sds_rings + ring;
4be41e92
SC		 2369 vector = adapter->msix_entries[index].vector;
2370 tx_ring->irq = vector;
2371 }
2372 }
2373 }
012ec812 2374
4be41e92
SC		 2375 return 0;
2376}
2377
8af3f33d
PP		 2378void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2379{
2380 struct qlcnic_hardware_context *ahw = adapter->ahw;
2381 u32 fw_cmd = 0;
2382
2383 if (qlcnic_82xx_check(adapter))
2384 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2385 else if (qlcnic_83xx_check(adapter))
2386 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2387
d6994ca7 2388 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2389 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2390}
2391
6bb58bb0 2392static int
af19b491
AKS		 2393qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2394{
2395 struct net_device *netdev = NULL;
2396 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2397 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2398 int err, pci_using_dac = -1;
7bc48646 2399 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 2400
2401 err = pci_enable_device(pdev);
2402 if (err)
2403 return err;
2404
2405 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2406 err = -ENODEV;
2407 goto err_out_disable_pdev;
2408 }
2409
1bb09fb9
AKS		 2410 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2411 if (err)
2412 goto err_out_disable_pdev;
2413
af19b491
AKS		 2414 err = pci_request_regions(pdev, qlcnic_driver_name);
2415 if (err)
2416 goto err_out_disable_pdev;
2417
2418 pci_set_master(pdev);
451724c8 2419 pci_enable_pcie_error_reporting(pdev);
af19b491 2420
7e2cf4fe 2421 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2422 if (!ahw) {
2423 err = -ENOMEM;
7e2cf4fe 2424 goto err_out_free_res;
02135582 2425 }
7e2cf4fe 2426
f8468331
RB		 2427 switch (ent->device) {
2428 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2429 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2430 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2431 break;
2432 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2433 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2434 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2435 break;
2436 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2437 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2438 qlcnic_sriov_vf_register_map(ahw);
2439 break;
2440 default:
13159183 2441 goto err_out_free_hw_res;
7e2cf4fe
SC		 2442 }
2443
2444 err = qlcnic_setup_pci_map(pdev, ahw);
2445 if (err)
2446 goto err_out_free_hw_res;
2447
012ec812
HM		 2448 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2449 QLCNIC_MAX_TX_RINGS);
af19b491 2450 if (!netdev) {
af19b491 2451 err = -ENOMEM;
7e2cf4fe 2452 goto err_out_iounmap;
af19b491
AKS		 2453 }
2454
2455 SET_NETDEV_DEV(netdev, &pdev->dev);
2456
2457 adapter = netdev_priv(netdev);
2458 adapter->netdev = netdev;
2459 adapter->pdev = pdev;
13159183
SC		 2460 adapter->ahw = ahw;
2461
2462 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2463 if (adapter->qlcnic_wq == NULL) {
02135582 2464 err = -ENOMEM;
13159183
SC		 2465 dev_err(&pdev->dev, "Failed to create workqueue\n");
2466 goto err_out_free_netdev;
2467 }
af19b491 2468
2dfc9671
PST		 2469 err = qlcnic_alloc_adapter_resources(adapter);
2470 if (err)
2b1f18a4 2471 goto err_out_free_wq;
b1fc6d3c
AC		 2472
2473 adapter->dev_rst_time = jiffies;
2f514c52
JK		 2474 ahw->revision_id = pdev->revision;
2475 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
fe1adc6b
JK		 2476 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2477 adapter->fdb_mac_learn = true;
2478 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2479 adapter->drv_mac_learn = true;
af19b491 2480
b1fc6d3c
AC		 2481 rwlock_init(&adapter->ahw->crb_lock);
2482 mutex_init(&adapter->ahw->mem_lock);
af19b491 2483
af19b491
AKS		 2484 INIT_LIST_HEAD(&adapter->mac_list);
2485
14d385b9
SC		 2486 qlcnic_register_dcb(adapter);
2487
7e2cf4fe 2488 if (qlcnic_82xx_check(adapter)) {
13159183 2489 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2490 adapter->portnum = adapter->ahw->pci_func;
2491 err = qlcnic_start_firmware(adapter);
2492 if (err) {
66451615
SC		 2493 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2494 "\t\tIf reboot doesn't help, try flashing the card\n");
2495 goto err_out_maintenance_mode;
7e2cf4fe 2496 }
af19b491 2497
34e8c406
HM		 2498 /* compute and set default and max tx/sds rings */
2499 if (adapter->ahw->msix_supported) {
2500 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2501 qlcnic_set_tx_ring_count(adapter,
2502 QLCNIC_SINGLE_RING);
2503 else
2504 qlcnic_set_tx_ring_count(adapter,
2505 QLCNIC_DEF_TX_RINGS);
2506 qlcnic_set_sds_ring_count(adapter,
2507 QLCNIC_DEF_SDS_RINGS);
2508 } else {
2509 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2510 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
012ec812
HM		 2511 }
2512
7e2cf4fe
SC		 2513 err = qlcnic_setup_idc_param(adapter);
2514 if (err)
2515 goto err_out_free_hw;
b0044bcf 2516
7e2cf4fe 2517 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2518
13159183
SC		 2519 } else if (qlcnic_83xx_check(adapter)) {
2520 qlcnic_83xx_check_vf(adapter, ent);
2521 adapter->portnum = adapter->ahw->pci_func;
f8468331 2522 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac 2523 if (err) {
78ea2d97
SC		 2524 switch (err) {
2525 case -ENOTRECOVERABLE:
2a355aec
SC		 2526 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2527 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
78ea2d97
SC		 2528 goto err_out_free_hw;
2529 case -ENOMEM:
2530 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2531 goto err_out_free_hw;
aaecf51c
SC		 2532 case -EOPNOTSUPP:
2533 dev_err(&pdev->dev, "Adapter initialization failed\n");
2534 goto err_out_free_hw;
78ea2d97 2535 default:
c65762fc 2536 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
78ea2d97
SC		 2537 goto err_out_maintenance_mode;
2538 }
629263ac 2539 }
78ea2d97 2540
f8468331
RB		 2541 if (qlcnic_sriov_vf_check(adapter))
2542 return 0;
13159183
SC		 2543 } else {
2544 dev_err(&pdev->dev,
2545 "%s: failed. Please Reboot\n", __func__);
2546 goto err_out_free_hw;
a7fc948f 2547 }
af19b491 2548
da48e6c3
RB		 2549 if (qlcnic_read_mac_addr(adapter))
2550 dev_warn(&pdev->dev, "failed to read mac addr\n");
2551
07a251c8
SS		 2552 qlcnic_read_phys_port_id(adapter);
2553
da48e6c3 2554 if (adapter->portnum == 0) {
22999798 2555 qlcnic_get_board_name(adapter, board_name);
13159183 2556
da48e6c3 2557 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2558 module_name(THIS_MODULE),
2559 board_name, adapter->ahw->revision_id);
da48e6c3 2560 }
460374f7
HM		 2561
2562 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2563 !!qlcnic_use_msi)
2564 dev_warn(&pdev->dev,
01b91f4c 2565 "Device does not support MSI interrupts\n");
460374f7 2566
068a8d19 2567 if (qlcnic_82xx_check(adapter)) {
4d52e1e8
SC		 2568 qlcnic_dcb_enable(adapter->dcb);
2569 qlcnic_dcb_get_info(adapter->dcb);
34e8c406 2570 err = qlcnic_setup_intr(adapter);
4d52e1e8 2571
068a8d19
MC		 2572 if (err) {
2573 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2574 goto err_out_disable_msi;
068a8d19 2575 }
13159183 2576 }
af19b491 2577
02135582
SC		 2578 err = qlcnic_get_act_pci_func(adapter);
2579 if (err)
2580 goto err_out_disable_mbx_intr;
2581
1bb09fb9 2582 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2583 if (err)
7e2cf4fe 2584 goto err_out_disable_mbx_intr;
af19b491 2585
24866d15
HM		 2586 if (adapter->portnum == 0)
2587 qlcnic_set_drv_version(adapter);
c84e340a 2588
af19b491
AKS		 2589 pci_set_drvdata(pdev, adapter);
2590
97ee45eb
SC		 2591 if (qlcnic_82xx_check(adapter))
2592 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2593 FW_POLL_DELAY);
af19b491 2594
b1fc6d3c 2595 switch (adapter->ahw->port_type) {
af19b491
AKS		 2596 case QLCNIC_GBE:
2597 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2598 adapter->netdev->name);
2599 break;
2600 case QLCNIC_XGBE:
2601 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2602 adapter->netdev->name);
2603 break;
2604 }
2605
fe1adc6b 2606 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2607 qlcnic_alloc_lb_filters_mem(adapter);
2608
7e2cf4fe 2609 qlcnic_add_sysfs(adapter);
1f0f467b 2610 qlcnic_register_hwmon_dev(adapter);
af19b491
AKS		 2611 return 0;
2612
7e2cf4fe 2613err_out_disable_mbx_intr:
7dd90cf1 2614 if (qlcnic_83xx_check(adapter))
13159183 2615 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2616
af19b491
AKS		 2617err_out_disable_msi:
2618 qlcnic_teardown_intr(adapter);
7e2cf4fe 2619 qlcnic_cancel_idc_work(adapter);
21854f02 2620 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2621
b1fc6d3c
AC		 2622err_out_free_hw:
2623 qlcnic_free_adapter_resources(adapter);
2624
2b1f18a4
WY		 2625err_out_free_wq:
2626 destroy_workqueue(adapter->qlcnic_wq);
2627
af19b491
AKS		 2628err_out_free_netdev:
2629 free_netdev(netdev);
2630
7e2cf4fe 2631err_out_iounmap:
f1a094a8 2632 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2633
2634err_out_free_hw_res:
2635 kfree(ahw);
2636
af19b491
AKS		 2637err_out_free_res:
2638 pci_release_regions(pdev);
2639
2640err_out_disable_pdev:
af19b491
AKS		 2641 pci_disable_device(pdev);
2642 return err;
66451615
SC		 2643
2644err_out_maintenance_mode:
78ea2d97 2645 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615
SC		 2646 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2647 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
78ea2d97
SC		 2648 ahw->port_type = QLCNIC_XGBE;
2649
2650 if (qlcnic_83xx_check(adapter))
2651 adapter->tgt_status_reg = NULL;
2652 else
2653 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2654
66451615
SC		 2655 err = register_netdev(netdev);
2656
2657 if (err) {
2658 dev_err(&pdev->dev, "Failed to register net device\n");
2659 qlcnic_clr_all_drv_state(adapter, 0);
2660 goto err_out_free_hw;
2661 }
2662
2663 pci_set_drvdata(pdev, adapter);
2664 qlcnic_add_sysfs(adapter);
2665
2666 return 0;
af19b491
AKS		 2667}
2668
6bb58bb0 2669static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2670{
2671 struct qlcnic_adapter *adapter;
2672 struct net_device *netdev;
13159183 2673 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2674
2675 adapter = pci_get_drvdata(pdev);
2676 if (adapter == NULL)
2677 return;
2678
2679 netdev = adapter->netdev;
2680
13159183 2681 qlcnic_cancel_idc_work(adapter);
132a3f2b 2682 qlcnic_sriov_pf_disable(adapter);
13159183 2683 ahw = adapter->ahw;
af19b491
AKS		 2684
2685 unregister_netdev(netdev);
02feda17 2686 qlcnic_sriov_cleanup(adapter);
af19b491 2687
13159183 2688 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 2689 qlcnic_83xx_initialize_nic(adapter, 0);
3d73b5fd 2690 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2691 qlcnic_83xx_free_mbx_intr(adapter);
2692 qlcnic_83xx_detach_mailbox_work(adapter);
2693 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2694 kfree(ahw->fw_info);
13159183
SC		 2695 }
2696
3720bf79
SC		 2697 qlcnic_dcb_free(adapter->dcb);
2698
af19b491
AKS		 2699 qlcnic_detach(adapter);
2700
2e9d722d
AC		 2701 if (adapter->npars != NULL)
2702 kfree(adapter->npars);
2703 if (adapter->eswitch != NULL)
2704 kfree(adapter->eswitch);
2705
97ee45eb
SC		 2706 if (qlcnic_82xx_check(adapter))
2707 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2708
2709 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2710
b5e5492c
AKS		 2711 qlcnic_free_lb_filters_mem(adapter);
2712
af19b491
AKS		 2713 qlcnic_teardown_intr(adapter);
2714
13159183 2715 qlcnic_remove_sysfs(adapter);
af19b491 2716
1f0f467b
HP		 2717 qlcnic_unregister_hwmon_dev(adapter);
2718
f1a094a8 2719 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2720
2721 qlcnic_release_firmware(adapter);
2722
451724c8 2723 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2724 pci_release_regions(pdev);
2725 pci_disable_device(pdev);
af19b491 2726
13159183
SC		 2727 if (adapter->qlcnic_wq) {
2728 destroy_workqueue(adapter->qlcnic_wq);
2729 adapter->qlcnic_wq = NULL;
2730 }
14d385b9 2731
b1fc6d3c 2732 qlcnic_free_adapter_resources(adapter);
13159183 2733 kfree(ahw);
af19b491
AKS		 2734 free_netdev(netdev);
2735}
af19b491
AKS		 2736
2737static void qlcnic_shutdown(struct pci_dev *pdev)
2738{
2739 if (__qlcnic_shutdown(pdev))
2740 return;
2741
2742 pci_disable_device(pdev);
2743}
2744
2745#ifdef CONFIG_PM
486a5bc7 2746static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2747{
2748 int retval;
2749
2750 retval = __qlcnic_shutdown(pdev);
2751 if (retval)
2752 return retval;
2753
2754 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2755 return 0;
2756}
2757
486a5bc7 2758static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2759{
2760 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2761 int err;
2762
2763 err = pci_enable_device(pdev);
2764 if (err)
2765 return err;
2766
2767 pci_set_power_state(pdev, PCI_D0);
2768 pci_set_master(pdev);
2769 pci_restore_state(pdev);
2770
486a5bc7 2771 return __qlcnic_resume(adapter);
af19b491
AKS		 2772}
2773#endif
2774
2775static int qlcnic_open(struct net_device *netdev)
2776{
2777 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2778 int err;
2779
78ea2d97
SC		 2780 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2781 netdev_err(netdev, "%s: Device is in non-operational state\n",
2782 __func__);
66451615
SC		 2783
2784 return -EIO;
2785 }
2786
c55ad8e5
AKS		 2787 netif_carrier_off(netdev);
2788
af19b491
AKS		 2789 err = qlcnic_attach(adapter);
2790 if (err)
2791 return err;
2792
2793 err = __qlcnic_up(adapter, netdev);
2794 if (err)
060d0564 2795 qlcnic_detach(adapter);
af19b491 2796
af19b491
AKS		 2797 return err;
2798}
2799
2800/*
2801 * qlcnic_close - Disables a network interface entry point
2802 */
2803static int qlcnic_close(struct net_device *netdev)
2804{
2805 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2806
2807 __qlcnic_down(adapter, netdev);
13159183 2808
af19b491
AKS		 2809 return 0;
2810}
2811
e5dcf6dc 2812void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2813{
2814 void *head;
2815 int i;
13159183
SC		 2816 struct net_device *netdev = adapter->netdev;
2817 u32 filter_size = 0;
2818 u16 act_pci_func = 0;
b5e5492c 2819
e5dcf6dc 2820 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2821 return;
2822
2f514c52 2823 act_pci_func = adapter->ahw->total_nic_func;
b5e5492c 2824 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2825 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2826
13159183
SC		 2827 if (qlcnic_82xx_check(adapter)) {
2828 filter_size = QLCNIC_LB_MAX_FILTERS;
2829 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2830 } else {
2831 filter_size = QLC_83XX_LB_MAX_FILTERS;
2832 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2833 }
2834
2835 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2836 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2837
b5e5492c
AKS		 2838 if (!head)
2839 return;
2840
13159183 2841 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2842 adapter->fhash.fhead = head;
b5e5492c 2843
13159183
SC		 2844 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2845 act_pci_func, adapter->fhash.fmax);
2846
2847 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2848 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2849
2850 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2851
2852 head = kcalloc(adapter->rx_fhash.fbucket_size,
2853 sizeof(struct hlist_head), GFP_ATOMIC);
2854
2855 if (!head)
2856 return;
2857
2858 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2859 adapter->rx_fhash.fhead = head;
2860
2861 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2862 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2863}
2864
2865static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2866{
2867 if (adapter->fhash.fmax && adapter->fhash.fhead)
2868 kfree(adapter->fhash.fhead);
2869
2870 adapter->fhash.fhead = NULL;
2871 adapter->fhash.fmax = 0;
53643a75
SS		 2872
2873 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2874 kfree(adapter->rx_fhash.fhead);
2875
2876 adapter->rx_fhash.fmax = 0;
2877 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2878}
2879
629263ac 2880int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2881{
2882 struct net_device *netdev = adapter->netdev;
97ee45eb 2883 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2884 int rv = 0;
2885
13159183
SC		 2886 if (qlcnic_83xx_check(adapter))
2887 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2888
97ee45eb 2889 if (qlcnic_82xx_check(adapter))
a15ebd37 2890 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2891
2892 temp_state = qlcnic_get_temp_state(temp);
2893 temp_val = qlcnic_get_temp_val(temp);
2894
2895 if (temp_state == QLCNIC_TEMP_PANIC) {
2896 dev_err(&netdev->dev,
2897 "Device temperature %d degrees C exceeds"
2898 " maximum allowed. Hardware has been shut down.\n",
2899 temp_val);
2900 rv = 1;
2901 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2902 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2903 dev_err(&netdev->dev,
2904 "Device temperature %d degrees C "
2905 "exceeds operating range."
2906 " Immediate action needed.\n",
2907 temp_val);
2908 }
2909 } else {
79788450 2910 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2911 dev_info(&netdev->dev,
2912 "Device temperature is now %d degrees C"
2913 " in normal range.\n", temp_val);
2914 }
2915 }
79788450 2916 adapter->ahw->temp = temp_state;
af19b491
AKS		 2917 return rv;
2918}
2919
95b3890a 2920static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
af19b491 2921{
95b3890a
HM		 2922 int i;
2923 struct cmd_desc_type0 *tx_desc_info;
2924
2925 for (i = 0; i < tx_ring->num_desc; i++) {
2926 tx_desc_info = &tx_ring->desc_head[i];
2927 pr_info("TX Desc: %d\n", i);
2928 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2929 &tx_ring->desc_head[i],
2930 sizeof(struct cmd_desc_type0), true);
2931 }
2932}
2933
2934static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2935{
2936 struct net_device *netdev = adapter->netdev;
012ec812
HM		 2937 struct qlcnic_host_tx_ring *tx_ring;
2938 int ring;
af19b491 2939
95b3890a
HM		 2940 if (!netdev || !netif_running(netdev))
2941 return;
2942
2943 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2944 tx_ring = &adapter->tx_ring[ring];
2945 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2946 ring, tx_ring->ctx_id);
2947 netdev_info(netdev,
2948 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2949 tx_ring->tx_stats.xmit_finished,
2950 tx_ring->tx_stats.xmit_called,
2951 tx_ring->tx_stats.xmit_on,
2952 tx_ring->tx_stats.xmit_off);
2953 netdev_info(netdev,
2954 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2955 readl(tx_ring->crb_intr_mask),
2956 readl(tx_ring->crb_cmd_producer),
2957 tx_ring->producer, tx_ring->sw_consumer,
2958 le32_to_cpu(*(tx_ring->hw_consumer)));
2959
2960 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2961 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2962
2963 if (netif_msg_tx_done(adapter->ahw))
2964 dump_tx_ring_desc(tx_ring);
2965 }
2966}
2967
2968static void qlcnic_tx_timeout(struct net_device *netdev)
2969{
2970 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2971
af19b491
AKS		 2972 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2973 return;
2974
536faa61
SC		 2975 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2976 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2977 if (qlcnic_82xx_check(adapter))
2978 adapter->need_fw_reset = 1;
2979 else if (qlcnic_83xx_check(adapter))
2980 qlcnic_83xx_idc_request_reset(adapter,
2981 QLCNIC_FORCE_FW_DUMP_KEY);
2982 } else {
2983 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
95b3890a 2984 qlcnic_dump_tx_rings(adapter);
79788450 2985 adapter->ahw->reset_context = 1;
536faa61 2986 }
af19b491
AKS		 2987}
2988
2989static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2990{
2991 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2992 struct net_device_stats *stats = &netdev->stats;
2993
1ac6762a
MC		 2994 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2995 qlcnic_update_stats(adapter);
2996
af19b491
AKS		 2997 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2998 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2999 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 3000 stats->tx_bytes = adapter->stats.txbytes;
3001 stats->rx_dropped = adapter->stats.rxdropped;
3002 stats->tx_dropped = adapter->stats.txdropped;
3003
3004 return stats;
3005}
3006
21041400 3007static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 3008{
af19b491
AKS		 3009 u32 status;
3010
3011 status = readl(adapter->isr_int_vec);
3012
79788450 3013 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 3014 return IRQ_NONE;
3015
3016 /* check interrupt state machine, to be sure */
3017 status = readl(adapter->crb_int_state_reg);
3018 if (!ISR_LEGACY_INT_TRIGGERED(status))
3019 return IRQ_NONE;
3020
3021 writel(0xffffffff, adapter->tgt_status_reg);
3022 /* read twice to ensure write is flushed */
3023 readl(adapter->isr_int_vec);
3024 readl(adapter->isr_int_vec);
3025
7eb9855d
AKS		 3026 return IRQ_HANDLED;
3027}
3028
3029static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3030{
3031 struct qlcnic_host_sds_ring *sds_ring = data;
3032 struct qlcnic_adapter *adapter = sds_ring->adapter;
3033
3034 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3035 goto done;
3036 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3037 writel(0xffffffff, adapter->tgt_status_reg);
3038 goto done;
3039 }
3040
3041 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3042 return IRQ_NONE;
3043
3044done:
79788450 3045 adapter->ahw->diag_cnt++;
2cc5752e 3046 qlcnic_enable_sds_intr(adapter, sds_ring);
7eb9855d
AKS		 3047 return IRQ_HANDLED;
3048}
3049
3050static irqreturn_t qlcnic_intr(int irq, void *data)
3051{
3052 struct qlcnic_host_sds_ring *sds_ring = data;
3053 struct qlcnic_adapter *adapter = sds_ring->adapter;
3054
3055 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3056 return IRQ_NONE;
3057
af19b491
AKS		 3058 napi_schedule(&sds_ring->napi);
3059
3060 return IRQ_HANDLED;
3061}
3062
3063static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3064{
3065 struct qlcnic_host_sds_ring *sds_ring = data;
3066 struct qlcnic_adapter *adapter = sds_ring->adapter;
3067
3068 /* clear interrupt */
3069 writel(0xffffffff, adapter->tgt_status_reg);
3070
3071 napi_schedule(&sds_ring->napi);
3072 return IRQ_HANDLED;
3073}
3074
3075static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3076{
3077 struct qlcnic_host_sds_ring *sds_ring = data;
3078
3079 napi_schedule(&sds_ring->napi);
3080 return IRQ_HANDLED;
3081}
3082
13159183
SC		 3083static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3084{
3085 struct qlcnic_host_tx_ring *tx_ring = data;
3086
3087 napi_schedule(&tx_ring->napi);
3088 return IRQ_HANDLED;
3089}
3090
af19b491
AKS		 3091#ifdef CONFIG_NET_POLL_CONTROLLER
3092static void qlcnic_poll_controller(struct net_device *netdev)
3093{
3094 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2b018ad9
M		 3095 struct qlcnic_host_sds_ring *sds_ring;
3096 struct qlcnic_recv_context *recv_ctx;
3097 struct qlcnic_host_tx_ring *tx_ring;
3098 int ring;
3099
3100 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3101 return;
3102
3103 recv_ctx = adapter->recv_ctx;
bf82791e 3104
34e8c406 3105 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
bf82791e 3106 sds_ring = &recv_ctx->sds_rings[ring];
2b018ad9
M		 3107 qlcnic_disable_sds_intr(adapter, sds_ring);
3108 napi_schedule(&sds_ring->napi);
3109 }
3110
3111 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3112 /* Only Multi-Tx queue capable devices need to
3113 * schedule NAPI for TX rings
3114 */
3115 if ((qlcnic_83xx_check(adapter) &&
3116 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3117 (qlcnic_82xx_check(adapter) &&
3118 !qlcnic_check_multi_tx(adapter)))
3119 return;
3120
3121 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3122 tx_ring = &adapter->tx_ring[ring];
3123 qlcnic_disable_tx_intr(adapter, tx_ring);
3124 napi_schedule(&tx_ring->napi);
3125 }
bf82791e 3126 }
af19b491
AKS		 3127}
3128#endif
3129
6df900e9
SC		 3130static void
3131qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3132{
3133 u32 val;
3134
3135 val = adapter->portnum & 0xf;
3136 val |= encoding << 7;
3137 val |= (jiffies - adapter->dev_rst_time) << 8;
3138
a15ebd37 3139 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 3140 adapter->dev_rst_time = jiffies;
3141}
3142
ade91f8e
AKS		 3143static int
3144qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 3145{
3146 u32 val;
3147
3148 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3149 state != QLCNIC_DEV_NEED_QUISCENT);
3150
3151 if (qlcnic_api_lock(adapter))
ade91f8e 3152 return -EIO;
af19b491 3153
a15ebd37 3154 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 3155
3156 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 3157 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 3158 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 3159 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 3160
a15ebd37 3161 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3162
3163 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 3164
3165 return 0;
af19b491
AKS		 3166}
3167
1b95a839
AKS		 3168static int
3169qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3170{
3171 u32 val;
3172
3173 if (qlcnic_api_lock(adapter))
3174 return -EBUSY;
3175
a15ebd37 3176 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3177 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3178 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 3179
3180 qlcnic_api_unlock(adapter);
3181
3182 return 0;
3183}
3184
486a5bc7 3185void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 3186{
3187 u32 val;
3188
3189 if (qlcnic_api_lock(adapter))
3190 goto err;
3191
a15ebd37 3192 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 3193 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 3194 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 3195
21854f02 3196 if (failed) {
a15ebd37
HM		 3197 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3198 QLCNIC_DEV_FAILED);
21854f02
AKS		 3199 dev_info(&adapter->pdev->dev,
3200 "Device state set to Failed. Please Reboot\n");
3201 } else if (!(val & 0x11111111))
a15ebd37
HM		 3202 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3203 QLCNIC_DEV_COLD);
af19b491 3204
a15ebd37 3205 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3206 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3207 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3208
3209 qlcnic_api_unlock(adapter);
3210err:
3211 adapter->fw_fail_cnt = 0;
032a13c7 3212 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 3213 clear_bit(__QLCNIC_START_FW, &adapter->state);
3214 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3215}
3216
f73dfc50 3217/* Grab api lock, before checking state */
af19b491
AKS		 3218static int
3219qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3220{
602ca6f0 3221 int act, state, active_mask;
a15ebd37 3222 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 3223
a15ebd37
HM		 3224 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3225 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 3226
602ca6f0 3227 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 3228 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 3229 act = act & active_mask;
3230 }
3231
af19b491
AKS		 3232 if (((state & 0x11111111) == (act & 0x11111111)) ||
3233 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3234 return 0;
3235 else
3236 return 1;
3237}
3238
96f8118c
SC		 3239static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3240{
a15ebd37 3241 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 3242
3243 if (val != QLCNIC_DRV_IDC_VER) {
3244 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3245 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3246 }
3247
3248 return 0;
3249}
3250
af19b491
AKS		 3251static int
3252qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3253{
3254 u32 val, prev_state;
aa5e18c0 3255 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 3256 u8 portnum = adapter->portnum;
96f8118c 3257 u8 ret;
af19b491 3258
f73dfc50
AKS		 3259 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3260 return 1;
3261
af19b491
AKS		 3262 if (qlcnic_api_lock(adapter))
3263 return -1;
3264
a15ebd37 3265 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 3266 if (!(val & (1 << (portnum * 4)))) {
3267 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 3268 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3269 }
3270
a15ebd37 3271 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3272 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3273
3274 switch (prev_state) {
3275 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3276 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3277 QLCNIC_DEV_INITIALIZING);
3278 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3279 QLCNIC_DRV_IDC_VER);
6df900e9 3280 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3281 qlcnic_api_unlock(adapter);
3282 return 1;
3283
3284 case QLCNIC_DEV_READY:
96f8118c 3285 ret = qlcnic_check_idc_ver(adapter);
af19b491 3286 qlcnic_api_unlock(adapter);
96f8118c 3287 return ret;
af19b491
AKS		 3288
3289 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3290 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3291 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3292 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3293 break;
3294
3295 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3296 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3297 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3298 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3299 break;
3300
3301 case QLCNIC_DEV_FAILED:
a7fc948f 3302 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3303 qlcnic_api_unlock(adapter);
3304 return -1;
bbd8c6a4
AKS		 3305
3306 case QLCNIC_DEV_INITIALIZING:
3307 case QLCNIC_DEV_QUISCENT:
3308 break;
af19b491
AKS		 3309 }
3310
3311 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3312
3313 do {
af19b491 3314 msleep(1000);
a15ebd37 3315 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3316
3317 if (prev_state == QLCNIC_DEV_QUISCENT)
3318 continue;
3319 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3320
65b5b420
AKS		 3321 if (!dev_init_timeo) {
3322 dev_err(&adapter->pdev->dev,
3323 "Waiting for device to initialize timeout\n");
af19b491 3324 return -1;
65b5b420 3325 }
af19b491
AKS		 3326
3327 if (qlcnic_api_lock(adapter))
3328 return -1;
3329
a15ebd37 3330 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3331 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3332 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3333
96f8118c 3334 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3335 qlcnic_api_unlock(adapter);
3336
96f8118c 3337 return ret;
af19b491
AKS		 3338}
3339
3340static void
3341qlcnic_fwinit_work(struct work_struct *work)
3342{
3343 struct qlcnic_adapter *adapter = container_of(work,
3344 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3345 u32 dev_state = 0xf;
7b749ff4 3346 u32 val;
af19b491 3347
f73dfc50
AKS		 3348 if (qlcnic_api_lock(adapter))
3349 goto err_ret;
af19b491 3350
a15ebd37 3351 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3352 if (dev_state == QLCNIC_DEV_QUISCENT ||
3353 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3354 qlcnic_api_unlock(adapter);
3355 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3356 FW_POLL_DELAY * 2);
3357 return;
3358 }
3359
79788450 3360 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3361 qlcnic_api_unlock(adapter);
3362 goto wait_npar;
9f26f547
AC		 3363 }
3364
16e3cf73
SV		 3365 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3366 dev_state == QLCNIC_DEV_READY) {
3367 dev_info(&adapter->pdev->dev, "Detected state change from "
3368 "DEV_NEED_RESET, skipping ack check\n");
3369 goto skip_ack_check;
3370 }
3371
f73dfc50 3372 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3373 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3374 adapter->reset_ack_timeo);
3375 goto skip_ack_check;
3376 }
3377
3378 if (!qlcnic_check_drv_state(adapter)) {
3379skip_ack_check:
a15ebd37 3380 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3381
f73dfc50 3382 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3383 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3384 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3385 set_bit(__QLCNIC_START_FW, &adapter->state);
3386 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3387 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3388 val = QLC_SHARED_REG_RD32(adapter,
3389 QLCNIC_CRB_DRV_STATE);
7b749ff4 3390 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3391 QLC_SHARED_REG_WR32(adapter,
3392 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3393 }
3394
f73dfc50
AKS		 3395 qlcnic_api_unlock(adapter);
3396
287e38aa 3397 rtnl_lock();
890b6e02 3398 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3399 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3400 QLCDB(adapter, DRV, "Take FW dump\n");
3401 qlcnic_dump_fw(adapter);
032a13c7 3402 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3403 }
287e38aa 3404 rtnl_unlock();
7b749ff4
SV		 3405
3406 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3407 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3408 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3409 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3410 return;
3411 }
af19b491
AKS		 3412 goto err_ret;
3413 }
3414
f73dfc50 3415 qlcnic_api_unlock(adapter);
aa5e18c0 3416
9f26f547 3417wait_npar:
a15ebd37 3418 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3419 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3420
af19b491 3421 switch (dev_state) {
3c4b23b1 3422 case QLCNIC_DEV_READY:
7e2cf4fe 3423 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3424 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3425 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3426 return;
3427 }
3c4b23b1
AKS		 3428 case QLCNIC_DEV_FAILED:
3429 break;
3430 default:
3431 qlcnic_schedule_work(adapter,
3432 qlcnic_fwinit_work, FW_POLL_DELAY);
3433 return;
af19b491
AKS		 3434 }
3435
3436err_ret:
f73dfc50
AKS		 3437 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3438 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3439 netif_device_attach(adapter->netdev);
21854f02 3440 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3441}
3442
3443static void
3444qlcnic_detach_work(struct work_struct *work)
3445{
3446 struct qlcnic_adapter *adapter = container_of(work,
3447 struct qlcnic_adapter, fw_work.work);
3448 struct net_device *netdev = adapter->netdev;
3449 u32 status;
3450
3451 netif_device_detach(netdev);
3452
b8c17620
AKS		 3453 /* Dont grab rtnl lock during Quiscent mode */
3454 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3455 if (netif_running(netdev))
3456 __qlcnic_down(adapter, netdev);
3457 } else
3458 qlcnic_down(adapter, netdev);
af19b491 3459
a15ebd37 3460 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3461
44f65b29
SC		 3462 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3463 dev_err(&adapter->pdev->dev,
3464 "Detaching the device: peg halt status1=0x%x\n",
3465 status);
3466
3467 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3468 dev_err(&adapter->pdev->dev,
3469 "On board active cooling fan failed. "
3470 "Device has been halted.\n");
3471 dev_err(&adapter->pdev->dev,
3472 "Replace the adapter.\n");
3473 }
3474
af19b491 3475 goto err_ret;
44f65b29 3476 }
af19b491 3477
79788450 3478 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3479 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3480 adapter->ahw->temp);
af19b491 3481 goto err_ret;
44f65b29
SC		 3482 }
3483
602ca6f0
SV		 3484 /* Dont ack if this instance is the reset owner */
3485 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3486 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3487 dev_err(&adapter->pdev->dev,
3488 "Failed to set driver state,"
3489 "detaching the device.\n");
602ca6f0 3490 goto err_ret;
44f65b29 3491 }
602ca6f0 3492 }
af19b491
AKS		 3493
3494 adapter->fw_wait_cnt = 0;
3495
3496 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3497
3498 return;
3499
3500err_ret:
34ce3626 3501 netif_device_attach(netdev);
21854f02 3502 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3503}
3504
3c4b23b1
AKS		 3505/*Transit NPAR state to NON Operational */
3506static void
3507qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3508{
3509 u32 state;
3510
a15ebd37 3511 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3512 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3513 return;
3514
3515 if (qlcnic_api_lock(adapter))
3516 return;
a15ebd37
HM		 3517 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3518 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3519 qlcnic_api_unlock(adapter);
3520}
3521
21041400 3522static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3523 u32 key)
af19b491 3524{
646779f1
SV		 3525 u32 state, xg_val = 0, gb_val = 0;
3526
3527 qlcnic_xg_set_xg0_mask(xg_val);
3528 qlcnic_xg_set_xg1_mask(xg_val);
3529 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3530 qlcnic_gb_set_gb0_mask(gb_val);
3531 qlcnic_gb_set_gb1_mask(gb_val);
3532 qlcnic_gb_set_gb2_mask(gb_val);
3533 qlcnic_gb_set_gb3_mask(gb_val);
3534 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3535 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3536 " on all ports\n");
cea8975e 3537 adapter->need_fw_reset = 1;
13159183 3538
af19b491
AKS		 3539 if (qlcnic_api_lock(adapter))
3540 return;
3541
13159183 3542 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3543
3544 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3545 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3546 __func__);
3547 qlcnic_api_unlock(adapter);
3548
3549 return;
3550 }
af19b491 3551
f73dfc50 3552 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3553 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3554 QLCNIC_DEV_NEED_RESET);
602ca6f0 3555 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3556 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3557 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3558 }
3559
13159183
SC		 3560 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3561 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3562 qlcnic_api_unlock(adapter);
3563}
3564
9f26f547
AC		 3565/* Transit to NPAR READY state from NPAR NOT READY state */
3566static void
3567qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3568{
9f26f547
AC		 3569 if (qlcnic_api_lock(adapter))
3570 return;
3571
a15ebd37
HM		 3572 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3573 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3574 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3575
3576 qlcnic_api_unlock(adapter);
3577}
3578
13159183
SC		 3579void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3580 work_func_t func, int delay)
af19b491 3581{
451724c8
SC		 3582 if (test_bit(__QLCNIC_AER, &adapter->state))
3583 return;
3584
af19b491 3585 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3586 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3587 round_jiffies_relative(delay));
af19b491
AKS		 3588}
3589
3590static void
3591qlcnic_attach_work(struct work_struct *work)
3592{
3593 struct qlcnic_adapter *adapter = container_of(work,
3594 struct qlcnic_adapter, fw_work.work);
3595 struct net_device *netdev = adapter->netdev;
b18971d1 3596 u32 npar_state;
af19b491 3597
79788450 3598 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3599 npar_state = QLC_SHARED_REG_RD32(adapter,
3600 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3601 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3602 qlcnic_clr_all_drv_state(adapter, 0);
3603 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3604 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3605 FW_POLL_DELAY);
3606 else
3607 goto attach;
3608 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3609 return;
3610 }
3611attach:
1de899d3 3612 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3613
af19b491 3614 if (netif_running(netdev)) {
52486a3a 3615 if (qlcnic_up(adapter, netdev))
af19b491 3616 goto done;
af19b491 3617
aec1e845 3618 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3619 }
3620
af19b491 3621done:
34ce3626 3622 netif_device_attach(netdev);
af19b491 3623 adapter->fw_fail_cnt = 0;
032a13c7 3624 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3625 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3626 if (adapter->portnum == 0)
3627 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3628
3629 if (!qlcnic_clr_drv_state(adapter))
3630 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3631 FW_POLL_DELAY);
af19b491
AKS		 3632}
3633
3634static int
3635qlcnic_check_health(struct qlcnic_adapter *adapter)
3636{
891e71b1
PP		 3637 struct qlcnic_hardware_context *ahw = adapter->ahw;
3638 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3639 u32 state = 0, heartbeat;
853d4bca 3640 u32 peg_status;
4bd8e738 3641 int err = 0;
af19b491
AKS		 3642
3643 if (qlcnic_check_temp(adapter))
3644 goto detach;
3645
2372a5f1 3646 if (adapter->need_fw_reset)
7e2cf4fe 3647 qlcnic_dev_request_reset(adapter, 0);
af19b491 3648
a15ebd37 3649 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3650 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3651 qlcnic_set_npar_non_operational(adapter);
af19b491 3652 adapter->need_fw_reset = 1;
b8c17620
AKS		 3653 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3654 goto detach;
af19b491 3655
a15ebd37 3656 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3657 if (heartbeat != adapter->heartbeat) {
3658 adapter->heartbeat = heartbeat;
af19b491
AKS		 3659 adapter->fw_fail_cnt = 0;
3660 if (adapter->need_fw_reset)
3661 goto detach;
68bf1c68 3662
891e71b1 3663 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3664 qlcnic_reset_hw_context(adapter);
68bf1c68 3665
af19b491
AKS		 3666 return 0;
3667 }
3668
3669 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3670 return 0;
3671
032a13c7
SV		 3672 adapter->flags |= QLCNIC_FW_HANG;
3673
7e2cf4fe 3674 qlcnic_dev_request_reset(adapter, 0);
af19b491 3675
099f7aa7 3676 if (qlcnic_auto_fw_reset)
0df170b6 3677 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3678
853d4bca 3679 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3680 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3681 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3682 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3683 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3684 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3685 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3686 peg_status,
3687 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3688 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3689 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3690 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3691 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3692 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3693 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3694 dev_err(&adapter->pdev->dev,
3695 "Firmware aborted with error code 0x00006700. "
3696 "Device is being reset.\n");
af19b491
AKS		 3697detach:
3698 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3699 QLCNIC_DEV_NEED_RESET;
3700
099f7aa7
SC		 3701 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3702 &adapter->state)) {
65b5b420 3703
af19b491 3704 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3705 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3706 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3707 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3708 qlcnic_dump_fw(adapter);
65b5b420 3709 }
af19b491
AKS		 3710
3711 return 1;
3712}
3713
486a5bc7 3714void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3715{
3716 struct qlcnic_adapter *adapter = container_of(work,
3717 struct qlcnic_adapter, fw_work.work);
3718
3719 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3720 goto reschedule;
3721
3722
3723 if (qlcnic_check_health(adapter))
3724 return;
3725
b5e5492c
AKS		 3726 if (adapter->fhash.fnum)
3727 qlcnic_prune_lb_filters(adapter);
3728
af19b491
AKS		 3729reschedule:
3730 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3731}
3732
451724c8
SC		 3733static int qlcnic_is_first_func(struct pci_dev *pdev)
3734{
3735 struct pci_dev *oth_pdev;
3736 int val = pdev->devfn;
3737
3738 while (val-- > 0) {
3739 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3740 (pdev->bus), pdev->bus->number,
3741 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3742 if (!oth_pdev)
3743 continue;
451724c8 3744
bfc978fa
AKS		 3745 if (oth_pdev->current_state != PCI_D3cold) {
3746 pci_dev_put(oth_pdev);
451724c8 3747 return 0;
bfc978fa
AKS		 3748 }
3749 pci_dev_put(oth_pdev);
451724c8
SC		 3750 }
3751 return 1;
3752}
3753
3754static int qlcnic_attach_func(struct pci_dev *pdev)
3755{
3756 int err, first_func;
3757 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3758 struct net_device *netdev = adapter->netdev;
3759
3760 pdev->error_state = pci_channel_io_normal;
3761
3762 err = pci_enable_device(pdev);
3763 if (err)
3764 return err;
3765
451724c8
SC		 3766 pci_set_master(pdev);
3767 pci_restore_state(pdev);
3768
3769 first_func = qlcnic_is_first_func(pdev);
3770
3771 if (qlcnic_api_lock(adapter))
3772 return -EINVAL;
3773
79788450 3774 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3775 adapter->need_fw_reset = 1;
3776 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3777 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3778 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3779 QLCDB(adapter, DRV, "Restarting fw\n");
3780 }
3781 qlcnic_api_unlock(adapter);
3782
13159183 3783 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3784 if (err)
3785 return err;
3786
3787 qlcnic_clr_drv_state(adapter);
13159183
SC		 3788 kfree(adapter->msix_entries);
3789 adapter->msix_entries = NULL;
34e8c406 3790 err = qlcnic_setup_intr(adapter);
13159183 3791
9a97e705
M		 3792 if (err) {
3793 kfree(adapter->msix_entries);
3794 netdev_err(netdev, "failed to setup interrupt\n");
3795 return err;
3796 }
3797
451724c8
SC		 3798 if (netif_running(netdev)) {
3799 err = qlcnic_attach(adapter);
3800 if (err) {
21854f02 3801 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3802 clear_bit(__QLCNIC_AER, &adapter->state);
3803 netif_device_attach(netdev);
3804 return err;
3805 }
3806
3807 err = qlcnic_up(adapter, netdev);
3808 if (err)
3809 goto done;
3810
aec1e845 3811 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3812 }
3813 done:
3814 netif_device_attach(netdev);
3815 return err;
3816}
3817
21041400 3818static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3819 pci_channel_state_t state)
451724c8
SC		 3820{
3821 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3822 struct net_device *netdev = adapter->netdev;
3823
3824 if (state == pci_channel_io_perm_failure)
3825 return PCI_ERS_RESULT_DISCONNECT;
3826
3827 if (state == pci_channel_io_normal)
3828 return PCI_ERS_RESULT_RECOVERED;
3829
3830 set_bit(__QLCNIC_AER, &adapter->state);
3831 netif_device_detach(netdev);
3832
3833 cancel_delayed_work_sync(&adapter->fw_work);
3834
3835 if (netif_running(netdev))
3836 qlcnic_down(adapter, netdev);
3837
3838 qlcnic_detach(adapter);
3839 qlcnic_teardown_intr(adapter);
3840
3841 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3842
3843 pci_save_state(pdev);
3844 pci_disable_device(pdev);
3845
3846 return PCI_ERS_RESULT_NEED_RESET;
3847}
3848
21041400 3849static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3850{
3851 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3852 PCI_ERS_RESULT_RECOVERED;
3853}
3854
21041400 3855static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3856{
a15ebd37 3857 u32 state;
451724c8
SC		 3858 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3859
3860 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3861 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3862 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3863 &adapter->state))
451724c8 3864 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3865 FW_POLL_DELAY);
451724c8
SC		 3866}
3867
4460f2e8
PP		 3868static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3869 pci_channel_state_t state)
3870{
3871 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3872 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3873
3874 if (hw_ops->io_error_detected) {
3875 return hw_ops->io_error_detected(pdev, state);
3876 } else {
3877 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3878 return PCI_ERS_RESULT_DISCONNECT;
3879 }
3880}
3881
3882static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3883{
3884 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3885 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3886
3887 if (hw_ops->io_slot_reset) {
3888 return hw_ops->io_slot_reset(pdev);
3889 } else {
3890 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3891 return PCI_ERS_RESULT_DISCONNECT;
3892 }
3893}
3894
3895static void qlcnic_io_resume(struct pci_dev *pdev)
3896{
3897 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3898 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3899
3900 if (hw_ops->io_resume)
3901 hw_ops->io_resume(pdev);
3902 else
3903 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3904}
3905
3906
87eb743b
AC		 3907static int
3908qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3909{
3910 int err;
3911
3912 err = qlcnic_can_start_firmware(adapter);
3913 if (err)
3914 return err;
3915
78f84e1a
AKS		 3916 err = qlcnic_check_npar_opertional(adapter);
3917 if (err)
3918 return err;
3c4b23b1 3919
174240a8
RB		 3920 err = qlcnic_initialize_nic(adapter);
3921 if (err)
3922 return err;
3923
87eb743b
AC		 3924 qlcnic_check_options(adapter);
3925
7373373d
RB		 3926 err = qlcnic_set_eswitch_port_config(adapter);
3927 if (err)
3928 return err;
3929
87eb743b
AC		 3930 adapter->need_fw_reset = 0;
3931
3932 return err;
3933}
3934
34e8c406
HM		 3935int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3936 int queue_type)
aa4a1f7d
HM		 3937{
3938 struct net_device *netdev = adapter->netdev;
34e8c406
HM		 3939 u8 max_hw_rings = 0;
3940 char buf[8];
3941 int cur_rings;
3942
3943 if (queue_type == QLCNIC_RX_QUEUE) {
3944 max_hw_rings = adapter->max_sds_rings;
3945 cur_rings = adapter->drv_sds_rings;
3946 strcpy(buf, "SDS");
3947 } else if (queue_type == QLCNIC_TX_QUEUE) {
18afc102 3948 max_hw_rings = adapter->max_tx_rings;
34e8c406
HM		 3949 cur_rings = adapter->drv_tx_rings;
3950 strcpy(buf, "Tx");
aa4a1f7d
HM		 3951 }
3952
b7520d2b 3953 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
34e8c406 3954 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
aa4a1f7d
HM		 3955 return -EINVAL;
3956 }
3957
34e8c406
HM		 3958 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3959 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
aa4a1f7d
HM		 3960 return -EINVAL;
3961 }
3962
34e8c406
HM		 3963 if (!is_power_of_2(ring_cnt)) {
3964 netdev_err(netdev, "%s rings value should be a power of 2\n",
3965 buf);
aa4a1f7d
HM		 3966 return -EINVAL;
3967 }
3968
34e8c406
HM		 3969 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3970 !qlcnic_check_multi_tx(adapter)) {
3971 netdev_err(netdev, "No Multi Tx queue support\n");
3972 return -EINVAL;
f94bc1e7
SC		 3973 }
3974
34e8c406
HM		 3975 if (ring_cnt > num_online_cpus()) {
3976 netdev_err(netdev,
3977 "%s value[%u] should not be higher than, number of online CPUs\n",
3978 buf, num_online_cpus());
f94bc1e7
SC		 3979 return -EINVAL;
3980 }
34e8c406 3981
f94bc1e7 3982 return 0;
f94bc1e7
SC		 3983}
3984
cb9327d5 3985int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
f94bc1e7
SC		 3986{
3987 struct net_device *netdev = adapter->netdev;
34e8c406 3988 int err;
f94bc1e7 3989
319ecf12
SC		 3990 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3991 return -EBUSY;
3992
f94bc1e7
SC		 3993 netif_device_detach(netdev);
3994 if (netif_running(netdev))
3995 __qlcnic_down(adapter, netdev);
13159183 3996
7dd90cf1
SC		 3997 qlcnic_detach(adapter);
3998
7ed3ce48 3999 if (qlcnic_83xx_check(adapter)) {
13159183 4000 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 4001 qlcnic_83xx_enable_mbx_poll(adapter);
4002 }
13159183 4003
f94bc1e7 4004 qlcnic_teardown_intr(adapter);
aa4a1f7d 4005
34e8c406 4006 err = qlcnic_setup_intr(adapter);
9a97e705
M		 4007 if (err) {
4008 kfree(adapter->msix_entries);
4009 netdev_err(netdev, "failed to setup interrupt\n");
4010 return err;
4011 }
f94bc1e7 4012
cb9327d5
HM		 4013 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
4014
13159183 4015 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 4016 qlcnic_83xx_initialize_nic(adapter, 1);
13159183 4017 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 4018 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 4019 if (err) {
4020 dev_err(&adapter->pdev->dev,
4021 "failed to setup mbx interrupt\n");
4022 goto done;
4023 }
f94bc1e7
SC		 4024 }
4025
4026 if (netif_running(netdev)) {
4027 err = qlcnic_attach(adapter);
4028 if (err)
4029 goto done;
4030 err = __qlcnic_up(adapter, netdev);
4031 if (err)
4032 goto done;
4033 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4034 }
aa4a1f7d 4035done:
f94bc1e7
SC		 4036 netif_device_attach(netdev);
4037 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4038 return err;
4039}
4040
af19b491
AKS		 4041#ifdef CONFIG_INET
4042
4043#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4044
af19b491 4045static void
aec1e845
AKS		 4046qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4047 struct net_device *dev, unsigned long event)
af19b491
AKS		 4048{
4049 struct in_device *indev;
af19b491 4050
af19b491
AKS		 4051 indev = in_dev_get(dev);
4052 if (!indev)
4053 return;
4054
4055 for_ifa(indev) {
4056 switch (event) {
4057 case NETDEV_UP:
4058 qlcnic_config_ipaddr(adapter,
4059 ifa->ifa_address, QLCNIC_IP_UP);
4060 break;
4061 case NETDEV_DOWN:
4062 qlcnic_config_ipaddr(adapter,
4063 ifa->ifa_address, QLCNIC_IP_DOWN);
4064 break;
4065 default:
4066 break;
4067 }
4068 } endfor_ifa(indev);
4069
4070 in_dev_put(indev);
af19b491
AKS		 4071}
4072
319ecf12 4073void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 4074{
4075 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4076 struct net_device *dev;
4077 u16 vid;
4078
4079 qlcnic_config_indev_addr(adapter, netdev, event);
4080
43c00a75 4081 rcu_read_lock();
b9796a14 4082 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 4083 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 4084 if (!dev)
4085 continue;
aec1e845
AKS		 4086 qlcnic_config_indev_addr(adapter, dev, event);
4087 }
43c00a75 4088 rcu_read_unlock();
aec1e845
AKS		 4089}
4090
af19b491
AKS		 4091static int qlcnic_netdev_event(struct notifier_block *this,
4092 unsigned long event, void *ptr)
4093{
4094 struct qlcnic_adapter *adapter;
351638e7 4095 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 4096
4097recheck:
4098 if (dev == NULL)
4099 goto done;
4100
4101 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4102 dev = vlan_dev_real_dev(dev);
4103 goto recheck;
4104 }
4105
4106 if (!is_qlcnic_netdev(dev))
4107 goto done;
4108
4109 adapter = netdev_priv(dev);
4110
4111 if (!adapter)
4112 goto done;
4113
8a15ad1f 4114 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4115 goto done;
4116
aec1e845 4117 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4118done:
4119 return NOTIFY_DONE;
4120}
4121
4122static int
4123qlcnic_inetaddr_event(struct notifier_block *this,
4124 unsigned long event, void *ptr)
4125{
4126 struct qlcnic_adapter *adapter;
4127 struct net_device *dev;
4128
4129 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4130
4131 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4132
4133recheck:
aec1e845 4134 if (dev == NULL)
af19b491
AKS		 4135 goto done;
4136
4137 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4138 dev = vlan_dev_real_dev(dev);
4139 goto recheck;
4140 }
4141
4142 if (!is_qlcnic_netdev(dev))
4143 goto done;
4144
4145 adapter = netdev_priv(dev);
4146
251a84c9 4147 if (!adapter)
af19b491
AKS		 4148 goto done;
4149
8a15ad1f 4150 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4151 goto done;
4152
4153 switch (event) {
4154 case NETDEV_UP:
4155 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 4156
af19b491
AKS		 4157 break;
4158 case NETDEV_DOWN:
4159 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 4160
af19b491
AKS		 4161 break;
4162 default:
4163 break;
4164 }
4165
4166done:
4167 return NOTIFY_DONE;
4168}
4169
4170static struct notifier_block qlcnic_netdev_cb = {
4171 .notifier_call = qlcnic_netdev_event,
4172};
4173
4174static struct notifier_block qlcnic_inetaddr_cb = {
4175 .notifier_call = qlcnic_inetaddr_event,
4176};
4177#else
f8ca2b6f 4178void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4179{ }
4180#endif
fec9dd15 4181static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 4182 .error_detected = qlcnic_io_error_detected,
4183 .slot_reset = qlcnic_io_slot_reset,
4184 .resume = qlcnic_io_resume,
4185};
af19b491
AKS		 4186
4187static struct pci_driver qlcnic_driver = {
4188 .name = qlcnic_driver_name,
4189 .id_table = qlcnic_pci_tbl,
4190 .probe = qlcnic_probe,
6bb58bb0 4191 .remove = qlcnic_remove,
af19b491
AKS		 4192#ifdef CONFIG_PM
4193 .suspend = qlcnic_suspend,
4194 .resume = qlcnic_resume,
4195#endif
451724c8 4196 .shutdown = qlcnic_shutdown,
02feda17
RB		 4197 .err_handler = &qlcnic_err_handler,
4198#ifdef CONFIG_QLCNIC_SRIOV
4199 .sriov_configure = qlcnic_pci_sriov_configure,
4200#endif
451724c8 4201
af19b491
AKS		 4202};
4203
4204static int __init qlcnic_init_module(void)
4205{
0cf3a14c 4206 int ret;
af19b491
AKS		 4207
4208 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4209
4210#ifdef CONFIG_INET
4211 register_netdevice_notifier(&qlcnic_netdev_cb);
4212 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4213#endif
4214
0cf3a14c
AKS		 4215 ret = pci_register_driver(&qlcnic_driver);
4216 if (ret) {
4217#ifdef CONFIG_INET
4218 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4219 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4220#endif
4221 }
af19b491 4222
0cf3a14c 4223 return ret;
af19b491
AKS		 4224}
4225
4226module_init(qlcnic_init_module);
4227
4228static void __exit qlcnic_exit_module(void)
4229{
af19b491
AKS		 4230 pci_unregister_driver(&qlcnic_driver);
4231
4232#ifdef CONFIG_INET
4233 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4234 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4235#endif
4236}
4237
4238module_exit(qlcnic_exit_module);
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