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qlcnic: Fix to send INIT_NIC_FUNC as first mailbox.
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
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
673 if (adapter->drv_rss_rings > 0)
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
689restore:
690 for (vector = 0; vector < num_msix; vector++)
691 adapter->msix_entries[vector].entry = vector;
692
693 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
694 if (err == 0) {
695 adapter->ahw->num_msix = num_msix;
696 if (adapter->drv_tss_rings > 0)
697 adapter->drv_tx_rings = adapter->drv_tss_rings;
da6c8063 698
cb9327d5
HM		 699 if (adapter->drv_rss_rings > 0)
700 adapter->drv_sds_rings = adapter->drv_rss_rings;
da6c8063 701 } else {
cb9327d5
HM		 702 netdev_info(adapter->netdev,
703 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
704 num_msix, err);
705
706 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
707
708 /* Set rings to 0 so we can restore original TSS/RSS count */
709 adapter->drv_tss_rings = 0;
710 adapter->drv_rss_rings = 0;
711
712 if (qlcnic_83xx_check(adapter))
713 num_msix += 1;
714
715 netdev_info(adapter->netdev,
716 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
717 adapter->drv_tx_rings, adapter->drv_sds_rings,
718 num_msix);
719 goto restore;
720
721 err = -EIO;
da6c8063 722 }
13159183 723
cb9327d5
HM		 724 return err;
725}
726
727int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
728{
729 struct pci_dev *pdev = adapter->pdev;
74a1fa45 730 int err, vector;
cb9327d5 731
13159183
SC		 732 if (!adapter->msix_entries) {
733 adapter->msix_entries = kcalloc(num_msix,
734 sizeof(struct msix_entry),
735 GFP_KERNEL);
b2adaca9 736 if (!adapter->msix_entries)
13159183 737 return -ENOMEM;
13159183 738 }
af19b491 739
af19b491 740 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 741
79788450 742 if (adapter->ahw->msix_supported) {
cb9327d5
HM		 743enable_msix:
744 for (vector = 0; vector < num_msix; vector++)
745 adapter->msix_entries[vector].entry = vector;
746
9732ec06
AG		 747 err = pci_enable_msix_range(pdev,
748 adapter->msix_entries, 1, num_msix);
749
750 if (err == num_msix) {
af19b491 751 adapter->flags |= QLCNIC_MSIX_ENABLED;
cb9327d5 752 adapter->ahw->num_msix = num_msix;
af19b491 753 dev_info(&pdev->dev, "using msi-x interrupts\n");
74a1fa45 754 return 0;
13159183 755 } else if (err > 0) {
9732ec06
AG		 756 pci_disable_msix(pdev);
757
13159183 758 dev_info(&pdev->dev,
cb9327d5
HM		 759 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
760 num_msix, err);
761
762 if (qlcnic_82xx_check(adapter)) {
13159183 763 num_msix = rounddown_pow_of_two(err);
cb9327d5 764 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
74a1fa45 765 return -ENOSPC;
13159183 766 } else {
cb9327d5
HM		 767 num_msix = rounddown_pow_of_two(err - 1);
768 num_msix += 1;
769 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
74a1fa45 770 return -ENOSPC;
cb9327d5
HM		 771 }
772
773 if (qlcnic_82xx_check(adapter) &&
774 !qlcnic_check_multi_tx(adapter)) {
775 adapter->drv_sds_rings = num_msix;
776 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
777 } else {
778 /* Distribute vectors equally */
779 adapter->drv_tx_rings = num_msix / 2;
780 adapter->drv_sds_rings = adapter->drv_tx_rings;
13159183
SC		 781 }
782
783 if (num_msix) {
784 dev_info(&pdev->dev,
dce056cb 785 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 786 num_msix);
f94bc1e7 787 goto enable_msix;
13159183
SC		 788 }
789 } else {
dce056cb 790 dev_info(&pdev->dev,
cb9327d5
HM		 791 "Unable to allocate %d MSI-X vectors, err=%d\n",
792 num_msix, err);
793 return err;
f94bc1e7
SC		 794 }
795 }
13159183 796
74a1fa45 797 return -EIO;
f94bc1e7 798}
af19b491 799
cb9327d5
HM		 800static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
801{
802 int num_msix;
803
804 num_msix = adapter->drv_sds_rings;
805
806 if (qlcnic_check_multi_tx(adapter))
807 num_msix += adapter->drv_tx_rings;
808 else
809 num_msix += QLCNIC_SINGLE_RING;
810
811 return num_msix;
812}
813
9a97e705 814static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 815{
9a97e705 816 int err = 0;
15087c2b 817 u32 offset, mask_reg;
f94bc1e7 818 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 819 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 820 struct pci_dev *pdev = adapter->pdev;
af19b491 821
099f7aa7 822 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 823 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 824 offset = msi_tgt_status[adapter->ahw->pci_func];
825 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
826 offset);
af19b491
AKS		 827 dev_info(&pdev->dev, "using msi interrupts\n");
828 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 829 return err;
af19b491 830 }
012ec812 831
9a97e705
M		 832 if (qlcnic_use_msi || qlcnic_use_msi_x)
833 return -EOPNOTSUPP;
af19b491 834
f94bc1e7 835 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 836 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 837 offset = legacy_intrp->tgt_status_reg;
838 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
839 mask_reg = legacy_intrp->tgt_mask_reg;
840 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
841 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
842 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 843 dev_info(&pdev->dev, "using legacy interrupts\n");
844 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 845 return err;
af19b491
AKS		 846}
847
21041400 848static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
f94bc1e7 849{
9a97e705 850 int num_msix, err = 0;
f94bc1e7 851
cb9327d5
HM		 852 if (adapter->flags & QLCNIC_TSS_RSS) {
853 err = qlcnic_setup_tss_rss_intr(adapter);
854 if (err < 0)
855 return err;
856 num_msix = adapter->ahw->num_msix;
857 } else {
858 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
f94bc1e7 859
cb9327d5
HM		 860 err = qlcnic_enable_msix(adapter, num_msix);
861 if (err == -ENOMEM)
862 return err;
f94bc1e7 863
cb9327d5
HM		 864 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
865 qlcnic_disable_multi_tx(adapter);
42beb3f2 866 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
012ec812 867
cb9327d5 868 err = qlcnic_enable_msi_legacy(adapter);
fc49beae 869 if (err)
cb9327d5
HM		 870 return err;
871 }
012ec812
HM		 872 }
873
874 return 0;
875}
876
877int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
878{
879 struct qlcnic_hardware_context *ahw = adapter->ahw;
880 int err, i;
881
882 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 883 !ahw->diag_test &&
012ec812
HM		 884 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
885 ahw->intr_tbl = vzalloc(ahw->num_msix *
886 sizeof(struct qlcnic_intrpt_config));
887 if (!ahw->intr_tbl)
888 return -ENOMEM;
889
890 for (i = 0; i < ahw->num_msix; i++) {
891 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
892 ahw->intr_tbl[i].id = i;
893 ahw->intr_tbl[i].src = 0;
894 }
895
896 err = qlcnic_82xx_config_intrpt(adapter, 1);
897 if (err)
898 dev_err(&adapter->pdev->dev,
899 "Failed to configure Interrupt for %d vector\n",
900 ahw->num_msix);
9a97e705 901 return err;
012ec812 902 }
9a97e705 903
012ec812 904 return 0;
f94bc1e7 905}
13159183 906
319ecf12 907void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 908{
909 if (adapter->flags & QLCNIC_MSIX_ENABLED)
910 pci_disable_msix(adapter->pdev);
911 if (adapter->flags & QLCNIC_MSI_ENABLED)
912 pci_disable_msi(adapter->pdev);
13159183
SC		 913
914 kfree(adapter->msix_entries);
915 adapter->msix_entries = NULL;
916
917 if (adapter->ahw->intr_tbl) {
918 vfree(adapter->ahw->intr_tbl);
919 adapter->ahw->intr_tbl = NULL;
920 }
af19b491
AKS		 921}
922
f1a094a8 923static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 924{
f1a094a8
RB		 925 if (ahw->pci_base0 != NULL)
926 iounmap(ahw->pci_base0);
af19b491
AKS		 927}
928
7e2cf4fe
SC		 929static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
930{
2f514c52 931 struct qlcnic_hardware_context *ahw = adapter->ahw;
7e2cf4fe
SC		 932 struct qlcnic_pci_info *pci_info;
933 int ret;
934
935 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
2f514c52 936 switch (ahw->port_type) {
7e2cf4fe 937 case QLCNIC_GBE:
2f514c52 938 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
7e2cf4fe
SC		 939 break;
940 case QLCNIC_XGBE:
2f514c52 941 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
7e2cf4fe
SC		 942 break;
943 }
944 return 0;
945 }
946
2f514c52 947 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
7e2cf4fe
SC		 948 return 0;
949
2f514c52 950 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
7e2cf4fe
SC		 951 if (!pci_info)
952 return -ENOMEM;
953
954 ret = qlcnic_get_pci_info(adapter, pci_info);
955 kfree(pci_info);
956 return ret;
957}
d71170fb 958
35dafcb0
SC		 959static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
960{
961 bool ret = false;
962
963 if (qlcnic_84xx_check(adapter)) {
964 ret = true;
965 } else if (qlcnic_83xx_check(adapter)) {
966 if (adapter->ahw->extra_capability[0] &
967 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
968 ret = true;
969 else
970 ret = false;
971 }
972
973 return ret;
974}
975
d71170fb 976int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 977{
2f514c52 978 struct qlcnic_hardware_context *ahw = adapter->ahw;
e88db3bd 979 struct qlcnic_pci_info *pci_info;
4c776aad 980 int i, id = 0, ret = 0, j = 0;
bff57d8e 981 u16 act_pci_func;
346fe763
RB		 982 u8 pfn;
983
2f514c52 984 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
e88db3bd
DC		 985 if (!pci_info)
986 return -ENOMEM;
987
bff57d8e
SC		 988 ret = qlcnic_get_pci_info(adapter, pci_info);
989 if (ret)
990 goto err_pci_info;
991
2f514c52 992 act_pci_func = ahw->total_nic_func;
bff57d8e 993
ca315ac2 994 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 995 act_pci_func, GFP_KERNEL);
e88db3bd 996 if (!adapter->npars) {
900853a4 997 ret = -ENOMEM;
e88db3bd
DC		 998 goto err_pci_info;
999 }
346fe763 1000
ca315ac2 1001 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 1002 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1003 if (!adapter->eswitch) {
900853a4 1004 ret = -ENOMEM;
ca315ac2 1005 goto err_npars;
346fe763
RB		 1006 }
1007
2f514c52 1008 for (i = 0; i < ahw->max_vnic_func; i++) {
ca315ac2 1009 pfn = pci_info[i].id;
bff57d8e 1010
2f514c52 1011 if (pfn >= ahw->max_vnic_func) {
f848d6dd
SC		 1012 ret = QL_STATUS_INVALID_PARAM;
1013 goto err_eswitch;
1014 }
bff57d8e
SC		 1015
1016 if (!pci_info[i].active ||
1017 (pci_info[i].type != QLCNIC_TYPE_NIC))
1018 continue;
1019
35dafcb0 1020 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 1021 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1022 &id))
35dafcb0
SC		 1023 adapter->npars[j].eswitch_status = true;
1024 else
1025 continue;
1026 } else {
1027 adapter->npars[j].eswitch_status = true;
1028 }
1029
bff57d8e
SC		 1030 adapter->npars[j].pci_func = pfn;
1031 adapter->npars[j].active = (u8)pci_info[i].active;
1032 adapter->npars[j].type = (u8)pci_info[i].type;
1033 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1034 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1035 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 1036
9e630955 1037 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 1038 j++;
346fe763
RB		 1039 }
1040
4c776aad
SC		 1041 /* Update eSwitch status for adapters without per port eSwitch
1042 * configuration capability
1043 */
1044 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 1045 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1046 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 1047 }
ca315ac2 1048
e88db3bd 1049 kfree(pci_info);
ca315ac2
DC		 1050 return 0;
1051
1052err_eswitch:
346fe763
RB		 1053 kfree(adapter->eswitch);
1054 adapter->eswitch = NULL;
ca315ac2 1055err_npars:
346fe763 1056 kfree(adapter->npars);
ca315ac2 1057 adapter->npars = NULL;
e88db3bd
DC		 1058err_pci_info:
1059 kfree(pci_info);
346fe763
RB		 1060
1061 return ret;
1062}
1063
2e9d722d
AC		 1064static int
1065qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1066{
1067 u8 id;
7e8fd003 1068 int ret;
2e9d722d 1069 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 1070 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 1071
2e9d722d
AC		 1072 ret = qlcnic_api_lock(adapter);
1073 if (ret)
1074 goto err_lock;
2e9d722d 1075
7e8fd003
SS		 1076 id = ahw->pci_func;
1077 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1078 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1079 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 1080 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 1081 qlcnic_api_unlock(adapter);
1082err_lock:
1083 return ret;
1084}
1085
13159183
SC		 1086static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1087 const struct pci_device_id *ent)
2e9d722d 1088{
2e9d722d
AC		 1089 u32 op_mode, priv_level;
1090
1091 /* Determine FW API version */
13159183
SC		 1092 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1093 QLCNIC_FW_API);
2e9d722d
AC		 1094
1095 /* Find PCI function number */
13159183 1096 qlcnic_get_func_no(adapter);
2e9d722d
AC		 1097
1098 /* Determine function privilege level */
13159183 1099 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 1100 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 1101 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 1102 else
b1fc6d3c 1103 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 1104
0866d96d 1105 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 1106 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 1107 dev_info(&adapter->pdev->dev,
1108 "HAL Version: %d Non Privileged function\n",
79788450 1109 adapter->ahw->fw_hal_version);
9f26f547 1110 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 1111 } else
1112 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 1113}
1114
15087c2b 1115#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 1116#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 1117static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1118{
1119 switch (dev_id) {
1120 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1121 *bar = QLCNIC_82XX_BAR0_LENGTH;
1122 break;
13159183 1123 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 1124 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 1125 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 1126 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 1127 *bar = QLCNIC_83XX_BAR0_LENGTH;
1128 break;
15087c2b
SC		 1129 default:
1130 *bar = 0;
1131 }
1132}
1133
1134static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1135 struct qlcnic_hardware_context *ahw)
af19b491 1136{
15087c2b 1137 u32 offset;
af19b491 1138 void __iomem *mem_ptr0 = NULL;
15087c2b 1139 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 1140
af19b491 1141 /* remap phys address */
af19b491
AKS		 1142 mem_len = pci_resource_len(pdev, 0);
1143
15087c2b
SC		 1144 qlcnic_get_bar_length(pdev->device, &bar0_len);
1145 if (mem_len >= bar0_len) {
af19b491
AKS		 1146
1147 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1148 if (mem_ptr0 == NULL) {
1149 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1150 return -EIO;
1151 }
1152 pci_len0 = mem_len;
1153 } else {
1154 return -EIO;
1155 }
1156
f8468331 1157 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1158
15087c2b
SC		 1159 ahw->pci_base0 = mem_ptr0;
1160 ahw->pci_len0 = pci_len0;
1161 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1162 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1163
1164 return 0;
1165}
1166
60dcbcb0
MC		 1167static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1168 int index)
2343f06a
MC		 1169{
1170 struct pci_dev *pdev = adapter->pdev;
1171 unsigned short subsystem_vendor;
1172 bool ret = true;
1173
1174 subsystem_vendor = pdev->subsystem_vendor;
1175
1176 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1177 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1178 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1179 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1180 ret = true;
1181 else
1182 ret = false;
1183 }
1184
1185 return ret;
1186}
1187
22999798 1188static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1189{
1190 struct pci_dev *pdev = adapter->pdev;
1191 int i, found = 0;
1192
1193 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1194 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1195 qlcnic_boards[i].device == pdev->device &&
1196 qlcnic_validate_subsystem_id(adapter, i)) {
1197 found = 1;
1198 break;
af19b491 1199 }
af19b491
AKS		 1200 }
1201
1202 if (!found)
7f9a0c34 1203 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1204 else
1205 sprintf(name, "%pM: %s" , adapter->mac_addr,
1206 qlcnic_boards[i].short_name);
af19b491
AKS		 1207}
1208
1209static void
1210qlcnic_check_options(struct qlcnic_adapter *adapter)
1211{
a15ebd37 1212 int err;
031a4a26 1213 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1214 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1215 struct qlcnic_hardware_context *ahw = adapter->ahw;
1216 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1217
1218 prev_fw_version = adapter->fw_version;
af19b491 1219
a15ebd37
HM		 1220 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1221 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1222 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1223
1224 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1225
a15ebd37
HM		 1226 err = qlcnic_get_board_info(adapter);
1227 if (err) {
1228 dev_err(&pdev->dev, "Error getting board config info.\n");
1229 return;
1230 }
1231 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1232 if (fw_dump->tmpl_hdr == NULL ||
1233 adapter->fw_version > prev_fw_version) {
1234 if (fw_dump->tmpl_hdr)
1235 vfree(fw_dump->tmpl_hdr);
1236 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1237 dev_info(&pdev->dev,
1238 "Supports FW dump capability\n");
1239 }
1240 }
1241
13159183
SC		 1242 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1243 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1244
b1fc6d3c 1245 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1246 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1247 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1248 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1249 } else {
1250 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1251 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1252 }
1253
af19b491 1254 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1255 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1256
b1fc6d3c 1257 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1258 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1259 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1260 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1261 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1262 }
1263
099f7aa7 1264 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1265
1266 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1267
251b036a 1268 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1269}
1270
174240a8
RB		 1271static int
1272qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1273{
174240a8 1274 struct qlcnic_info nic_info;
4bd8e738 1275 int err = 0;
174240a8 1276
bff57d8e 1277 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1278 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1279 if (err)
1280 return err;
1281
79788450
SC		 1282 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1283 adapter->ahw->switch_mode = nic_info.switch_mode;
1284 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1285 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1286 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1287
1288 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1289 u32 temp;
4bd8e738
HM		 1290 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1291 if (err == -EIO)
1292 return err;
db131786 1293 adapter->ahw->extra_capability[0] = temp;
d6994ca7
SS		 1294 } else {
1295 adapter->ahw->extra_capability[0] = 0;
776e7bde 1296 }
d6994ca7 1297
79788450
SC		 1298 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1299 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1300
34e8c406 1301 if (adapter->ahw->capabilities & BIT_6) {
174240a8 1302 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
34e8c406
HM		 1303 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1304 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1305 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1306
1307 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1308 } else {
1309 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1310 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
f9566265 1311 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
174240a8 1312 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
34e8c406 1313 }
174240a8
RB		 1314
1315 return err;
1316}
1317
ec079a07
SC		 1318void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1319 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1320{
1321 if (esw_cfg->discard_tagged)
1322 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1323 else
1324 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1325
91b7282b
RB		 1326 if (esw_cfg->vlan_id) {
1327 adapter->rx_pvid = esw_cfg->vlan_id;
1328 adapter->tx_pvid = esw_cfg->vlan_id;
1329 } else {
1330 adapter->rx_pvid = 0;
1331 adapter->tx_pvid = 0;
1332 }
8cf61f89
AKS		 1333}
1334
8e586137 1335static int
80d5c368 1336qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1337{
1338 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1339 int err;
1340
1341 if (qlcnic_sriov_vf_check(adapter)) {
1342 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1343 if (err) {
1344 netdev_err(netdev,
1345 "Cannot add VLAN filter for VLAN id %d, err=%d",
1346 vid, err);
1347 return err;
1348 }
1349 }
1350
b9796a14 1351 set_bit(vid, adapter->vlans);
8e586137 1352 return 0;
b9796a14
AC		 1353}
1354
8e586137 1355static int
80d5c368 1356qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1357{
1358 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1359 int err;
1360
1361 if (qlcnic_sriov_vf_check(adapter)) {
1362 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1363 if (err) {
1364 netdev_err(netdev,
1365 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1366 vid, err);
1367 return err;
1368 }
1369 }
b9796a14
AC		 1370
1371 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1372 clear_bit(vid, adapter->vlans);
8e586137 1373 return 0;
b9796a14
AC		 1374}
1375
ec079a07
SC		 1376void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1377 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1378{
ee07c1a7
RB		 1379 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1380 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1381
1382 if (esw_cfg->mac_anti_spoof)
1383 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1384
7373373d
RB		 1385 if (!esw_cfg->mac_override)
1386 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1387
ee07c1a7
RB		 1388 if (!esw_cfg->promisc_mode)
1389 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1390}
1391
d71170fb 1392int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1393{
1394 struct qlcnic_esw_func_cfg esw_cfg;
1395
1396 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1397 return 0;
1398
b1fc6d3c 1399 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1400 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1401 return -EIO;
8cf61f89 1402 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1403 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1404 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1405
1406 return 0;
1407}
1408
147a9088
SS		 1409void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1410 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1411{
1412 struct net_device *netdev = adapter->netdev;
13159183
SC		 1413
1414 if (qlcnic_83xx_check(adapter))
1415 return;
0325d69b 1416
147a9088
SS		 1417 adapter->offload_flags = esw_cfg->offload_flags;
1418 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1419 netdev_update_features(netdev);
1420 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1421}
1422
0866d96d
AC		 1423static int
1424qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1425{
0866d96d
AC		 1426 u32 op_mode, priv_level;
1427 int err = 0;
1428
174240a8
RB		 1429 err = qlcnic_initialize_nic(adapter);
1430 if (err)
1431 return err;
1432
0866d96d
AC		 1433 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1434 return 0;
1435
13159183 1436 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1437 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1438
1439 if (op_mode == QLC_DEV_DRV_DEFAULT)
1440 priv_level = QLCNIC_MGMT_FUNC;
1441 else
b1fc6d3c 1442 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1443
174240a8 1444 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1445 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1446 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1447 err = qlcnic_init_pci_info(adapter);
1448 if (err)
1449 return err;
1450 /* Set privilege level for other functions */
1451 qlcnic_set_function_modes(adapter);
1452 dev_info(&adapter->pdev->dev,
1453 "HAL Version: %d, Management function\n",
79788450 1454 adapter->ahw->fw_hal_version);
0866d96d 1455 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1456 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1457 dev_info(&adapter->pdev->dev,
1458 "HAL Version: %d, Privileged function\n",
79788450 1459 adapter->ahw->fw_hal_version);
0866d96d 1460 }
34e8c406
HM		 1461 } else {
1462 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
174240a8 1463 }
0866d96d
AC		 1464
1465 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1466
1467 return err;
1468}
1469
d71170fb 1470int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1471{
1472 struct qlcnic_esw_func_cfg esw_cfg;
1473 struct qlcnic_npar_info *npar;
1474 u8 i;
1475
174240a8 1476 if (adapter->need_fw_reset)
0325d69b
RB		 1477 return 0;
1478
2f514c52 1479 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
35dafcb0
SC		 1480 if (!adapter->npars[i].eswitch_status)
1481 continue;
1482
0325d69b 1483 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1484 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1485 esw_cfg.mac_override = BIT_0;
ee07c1a7 1486 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1487 if (qlcnic_82xx_check(adapter)) {
1488 esw_cfg.offload_flags = BIT_0;
1489 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1490 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1491 }
0325d69b
RB		 1492 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1493 return -EIO;
1494 npar = &adapter->npars[i];
1495 npar->pvid = esw_cfg.vlan_id;
7373373d 1496 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1497 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1498 npar->discard_tagged = esw_cfg.discard_tagged;
1499 npar->promisc_mode = esw_cfg.promisc_mode;
1500 npar->offload_flags = esw_cfg.offload_flags;
1501 }
1502
1503 return 0;
1504}
1505
13159183 1506
4e8acb01
RB		 1507static int
1508qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1509 struct qlcnic_npar_info *npar, int pci_func)
1510{
1511 struct qlcnic_esw_func_cfg esw_cfg;
1512 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1513 esw_cfg.pci_func = pci_func;
1514 esw_cfg.vlan_id = npar->pvid;
7373373d 1515 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1516 esw_cfg.discard_tagged = npar->discard_tagged;
1517 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1518 esw_cfg.offload_flags = npar->offload_flags;
1519 esw_cfg.promisc_mode = npar->promisc_mode;
1520 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1521 return -EIO;
1522
1523 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1524 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1525 return -EIO;
1526
1527 return 0;
1528}
1529
d71170fb 1530int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1531{
4e8acb01 1532 int i, err;
cea8975e
AC		 1533 struct qlcnic_npar_info *npar;
1534 struct qlcnic_info nic_info;
bff57d8e 1535 u8 pci_func;
cea8975e 1536
bff57d8e
SC		 1537 if (qlcnic_82xx_check(adapter))
1538 if (!adapter->need_fw_reset)
1539 return 0;
cea8975e 1540
4e8acb01 1541 /* Set the NPAR config data after FW reset */
2f514c52 1542 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
4e8acb01 1543 npar = &adapter->npars[i];
bff57d8e 1544 pci_func = npar->pci_func;
35dafcb0
SC		 1545 if (!adapter->npars[i].eswitch_status)
1546 continue;
1547
bff57d8e 1548 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1549 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1550 if (err)
1551 return err;
1552 nic_info.min_tx_bw = npar->min_bw;
1553 nic_info.max_tx_bw = npar->max_bw;
1554 err = qlcnic_set_nic_info(adapter, &nic_info);
1555 if (err)
1556 return err;
cea8975e 1557
4e8acb01
RB		 1558 if (npar->enable_pm) {
1559 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1560 npar->dest_npar, 1,
1561 pci_func);
4e8acb01
RB		 1562 if (err)
1563 return err;
cea8975e 1564 }
bff57d8e 1565 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1566 if (err)
1567 return err;
cea8975e 1568 }
4e8acb01 1569 return 0;
cea8975e
AC		 1570}
1571
78f84e1a
AKS		 1572static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1573{
1574 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1575 u32 npar_state;
1576
79788450 1577 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1578 return 0;
1579
a15ebd37
HM		 1580 npar_state = QLC_SHARED_REG_RD32(adapter,
1581 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1582 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1583 msleep(1000);
a15ebd37
HM		 1584 npar_state = QLC_SHARED_REG_RD32(adapter,
1585 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1586 }
1587 if (!npar_opt_timeo) {
1588 dev_err(&adapter->pdev->dev,
8a168ca7 1589 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1590 return -EIO;
1591 }
1592 return 0;
1593}
1594
174240a8
RB		 1595static int
1596qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1597{
1598 int err;
1599
1600 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1601 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1602 return 0;
1603
1604 err = qlcnic_set_default_offload_settings(adapter);
1605 if (err)
1606 return err;
1607
1608 err = qlcnic_reset_npar_config(adapter);
1609 if (err)
1610 return err;
1611
1612 qlcnic_dev_set_npar_ready(adapter);
1613
1614 return err;
1615}
1616
21041400 1617static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1618{
d4066833 1619 int err;
af19b491 1620
aa5e18c0
SC		 1621 err = qlcnic_can_start_firmware(adapter);
1622 if (err < 0)
1623 return err;
1624 else if (!err)
d4066833 1625 goto check_fw_status;
af19b491 1626
099f7aa7 1627 if (qlcnic_load_fw_file)
4d5bdb38 1628 qlcnic_request_firmware(adapter);
8f891387 1629 else {
8cfdce08
SC		 1630 err = qlcnic_check_flash_fw_ver(adapter);
1631 if (err)
8f891387 1632 goto err_out;
1633
79788450 1634 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1635 }
af19b491
AKS		 1636
1637 err = qlcnic_need_fw_reset(adapter);
af19b491 1638 if (err == 0)
4e70812b 1639 goto check_fw_status;
af19b491 1640
d4066833
SC		 1641 err = qlcnic_pinit_from_rom(adapter);
1642 if (err)
1643 goto err_out;
af19b491
AKS		 1644
1645 err = qlcnic_load_firmware(adapter);
1646 if (err)
1647 goto err_out;
1648
1649 qlcnic_release_firmware(adapter);
d4066833 1650 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1651
d4066833
SC		 1652check_fw_status:
1653 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1654 if (err)
1655 goto err_out;
1656
a15ebd37 1657 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1658 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1659 err = qlcnic_check_eswitch_mode(adapter);
1660 if (err) {
1661 dev_err(&adapter->pdev->dev,
1662 "Memory allocation failed for eswitch\n");
1663 goto err_out;
1664 }
174240a8
RB		 1665 err = qlcnic_set_mgmt_operations(adapter);
1666 if (err)
1667 goto err_out;
1668
1669 qlcnic_check_options(adapter);
af19b491
AKS		 1670 adapter->need_fw_reset = 0;
1671
a7fc948f
AKS		 1672 qlcnic_release_firmware(adapter);
1673 return 0;
af19b491
AKS		 1674
1675err_out:
a15ebd37 1676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1677 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1678
af19b491
AKS		 1679 qlcnic_release_firmware(adapter);
1680 return err;
1681}
1682
1683static int
1684qlcnic_request_irq(struct qlcnic_adapter *adapter)
1685{
1686 irq_handler_t handler;
1687 struct qlcnic_host_sds_ring *sds_ring;
13159183 1688 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1689 int err, ring, num_sds_rings;
af19b491
AKS		 1690
1691 unsigned long flags = 0;
1692 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1693 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1694
79788450 1695 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1696 if (qlcnic_82xx_check(adapter))
1697 handler = qlcnic_tmp_intr;
c2534384
MC		 1698 else
1699 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1700 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1701 flags |= IRQF_SHARED;
1702
1703 } else {
1704 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1705 handler = qlcnic_msix_intr;
1706 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1707 handler = qlcnic_msi_intr;
1708 else {
1709 flags |= IRQF_SHARED;
ac166700
HM		 1710 if (qlcnic_82xx_check(adapter))
1711 handler = qlcnic_intr;
1712 else
1713 handler = qlcnic_83xx_intr;
7eb9855d 1714 }
af19b491
AKS		 1715 }
1716 adapter->irq = netdev->irq;
1717
13159183 1718 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1719 if (qlcnic_82xx_check(adapter) ||
1720 (qlcnic_83xx_check(adapter) &&
1721 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1722 num_sds_rings = adapter->drv_sds_rings;
ddb2e174 1723 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1724 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1725 if (qlcnic_82xx_check(adapter) &&
012ec812 1726 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1727 (ring == (num_sds_rings - 1))) {
1728 if (!(adapter->flags &
1729 QLCNIC_MSIX_ENABLED))
1730 snprintf(sds_ring->name,
1731 sizeof(sds_ring->name),
1732 "qlcnic");
1733 else
1734 snprintf(sds_ring->name,
1735 sizeof(sds_ring->name),
1736 "%s-tx-0-rx-%d",
1737 netdev->name, ring);
1738 } else {
ddb2e174
HM		 1739 snprintf(sds_ring->name,
1740 sizeof(sds_ring->name),
aa2a8034 1741 "%s-rx-%d",
ddb2e174 1742 netdev->name, ring);
aa2a8034 1743 }
ac166700
HM		 1744 err = request_irq(sds_ring->irq, handler, flags,
1745 sds_ring->name, sds_ring);
1746 if (err)
1747 return err;
1748 }
13159183 1749 }
012ec812
HM		 1750 if ((qlcnic_82xx_check(adapter) &&
1751 qlcnic_check_multi_tx(adapter)) ||
1752 (qlcnic_83xx_check(adapter) &&
1753 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1754 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183 1755 handler = qlcnic_msix_tx_intr;
34e8c406 1756 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1757 ring++) {
1758 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1759 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1760 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1761 err = request_irq(tx_ring->irq, handler, flags,
1762 tx_ring->name, tx_ring);
1763 if (err)
1764 return err;
1765 }
1766 }
af19b491 1767 }
af19b491
AKS		 1768 return 0;
1769}
1770
1771static void
1772qlcnic_free_irq(struct qlcnic_adapter *adapter)
1773{
1774 int ring;
1775 struct qlcnic_host_sds_ring *sds_ring;
13159183 1776 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1777
b1fc6d3c 1778 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1779
13159183 1780 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1781 if (qlcnic_82xx_check(adapter) ||
1782 (qlcnic_83xx_check(adapter) &&
1783 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1784 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
ac166700
HM		 1785 sds_ring = &recv_ctx->sds_rings[ring];
1786 free_irq(sds_ring->irq, sds_ring);
1787 }
13159183 1788 }
012ec812
HM		 1789 if ((qlcnic_83xx_check(adapter) &&
1790 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1791 (qlcnic_82xx_check(adapter) &&
1792 qlcnic_check_multi_tx(adapter))) {
34e8c406 1793 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1794 ring++) {
1795 tx_ring = &adapter->tx_ring[ring];
1796 if (tx_ring->irq)
1797 free_irq(tx_ring->irq, tx_ring);
1798 }
1799 }
af19b491
AKS		 1800 }
1801}
1802
99e85879
SS		 1803static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1804{
1805 u32 capab = 0;
1806
1807 if (qlcnic_82xx_check(adapter)) {
db131786 1808 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1809 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1810 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1811 } else {
1812 capab = adapter->ahw->capabilities;
1813 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1814 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1815 }
1816}
1817
a514722a
HM		 1818static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1819{
1820 struct qlcnic_hardware_context *ahw = adapter->ahw;
1821 int err;
1822
1823 /* Initialize interrupt coalesce parameters */
1824 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1825
1826 if (qlcnic_83xx_check(adapter)) {
1827 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1828 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1829 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1830 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1831 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1832
1833 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1834 } else {
1835 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
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_82xx_set_rx_coalesce(adapter);
1840 }
1841
1842 return err;
1843}
1844
319ecf12 1845int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1846{
8a15ad1f
AKS		 1847 int ring;
1848 struct qlcnic_host_rds_ring *rds_ring;
1849
af19b491
AKS		 1850 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1851 return -EIO;
1852
8a15ad1f
AKS		 1853 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1854 return 0;
012ec812 1855
0325d69b
RB		 1856 if (qlcnic_set_eswitch_port_config(adapter))
1857 return -EIO;
012ec812 1858
99e85879 1859 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1860
8a15ad1f
AKS		 1861 if (qlcnic_fw_create_ctx(adapter))
1862 return -EIO;
1863
1864 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1865 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1866 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1867 }
1868
af19b491
AKS		 1869 qlcnic_set_multi(netdev);
1870 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1871
b1fc6d3c 1872 adapter->ahw->linkup = 0;
af19b491 1873
34e8c406 1874 if (adapter->drv_sds_rings > 1)
af19b491
AKS		 1875 qlcnic_config_rss(adapter, 1);
1876
a514722a 1877 qlcnic_config_def_intr_coalesce(adapter);
af19b491 1878
24763d80 1879 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1880 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1881
cfacb172 1882 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1883 qlcnic_napi_enable(adapter);
1884
1885 qlcnic_linkevent_request(adapter, 1);
1886
79788450 1887 adapter->ahw->reset_context = 0;
060d0564 1888 netif_tx_start_all_queues(netdev);
af19b491
AKS		 1889 return 0;
1890}
1891
629263ac 1892int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1893{
1894 int err = 0;
1895
1896 rtnl_lock();
1897 if (netif_running(netdev))
1898 err = __qlcnic_up(adapter, netdev);
1899 rtnl_unlock();
1900
1901 return err;
1902}
1903
319ecf12 1904void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1905{
012ec812
HM		 1906 int ring;
1907
af19b491
AKS		 1908 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1909 return;
1910
1911 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1912 return;
1913
e8b508ef
RB		 1914 if (qlcnic_sriov_vf_check(adapter))
1915 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1916 smp_mb();
af19b491 1917 netif_carrier_off(netdev);
0a46bac0 1918 adapter->ahw->linkup = 0;
af19b491
AKS		 1919 netif_tx_disable(netdev);
1920
1921 qlcnic_free_mac_list(adapter);
1922
b5e5492c
AKS		 1923 if (adapter->fhash.fnum)
1924 qlcnic_delete_lb_filters(adapter);
1925
af19b491
AKS		 1926 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1927
1928 qlcnic_napi_disable(adapter);
1929
8a15ad1f 1930 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1931 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1932
1933 qlcnic_reset_rx_buffers_list(adapter);
012ec812 1934
34e8c406 1935 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
012ec812 1936 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1937}
1938
1939/* Usage: During suspend and firmware recovery module */
1940
629263ac 1941void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1942{
1943 rtnl_lock();
1944 if (netif_running(netdev))
1945 __qlcnic_down(adapter, netdev);
1946 rtnl_unlock();
1947
1948}
1949
319ecf12 1950int
af19b491
AKS		 1951qlcnic_attach(struct qlcnic_adapter *adapter)
1952{
1953 struct net_device *netdev = adapter->netdev;
1954 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1955 int err;
af19b491
AKS		 1956
1957 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1958 return 0;
1959
af19b491
AKS		 1960 err = qlcnic_napi_add(adapter, netdev);
1961 if (err)
1962 return err;
1963
1964 err = qlcnic_alloc_sw_resources(adapter);
1965 if (err) {
1966 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1967 goto err_out_napi_del;
af19b491
AKS		 1968 }
1969
1970 err = qlcnic_alloc_hw_resources(adapter);
1971 if (err) {
1972 dev_err(&pdev->dev, "Error in setting hw resources\n");
1973 goto err_out_free_sw;
1974 }
1975
af19b491
AKS		 1976 err = qlcnic_request_irq(adapter);
1977 if (err) {
1978 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1979 goto err_out_free_hw;
af19b491
AKS		 1980 }
1981
af19b491
AKS		 1982 qlcnic_create_sysfs_entries(adapter);
1983
7f1f6056 1984#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 1985 if (qlcnic_encap_rx_offload(adapter))
1986 vxlan_get_rx_port(netdev);
7f1f6056 1987#endif
2b3d7b75 1988
af19b491
AKS		 1989 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1990 return 0;
1991
8a15ad1f 1992err_out_free_hw:
af19b491
AKS		 1993 qlcnic_free_hw_resources(adapter);
1994err_out_free_sw:
1995 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1996err_out_napi_del:
1997 qlcnic_napi_del(adapter);
af19b491
AKS		 1998 return err;
1999}
2000
319ecf12 2001void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 2002{
2003 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2004 return;
2005
2006 qlcnic_remove_sysfs_entries(adapter);
2007
2008 qlcnic_free_hw_resources(adapter);
2009 qlcnic_release_rx_buffers(adapter);
2010 qlcnic_free_irq(adapter);
2011 qlcnic_napi_del(adapter);
2012 qlcnic_free_sw_resources(adapter);
2013
2014 adapter->is_up = 0;
2015}
2016
34e8c406 2017void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
7eb9855d
AKS		 2018{
2019 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2020 struct qlcnic_host_sds_ring *sds_ring;
34e8c406 2021 int drv_tx_rings = adapter->drv_tx_rings;
7eb9855d
AKS		 2022 int ring;
2023
78ad3892 2024 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 2025 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2026 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2027 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2028 qlcnic_disable_sds_intr(adapter, sds_ring);
cdaff185 2029 }
7eb9855d
AKS		 2030 }
2031
8a15ad1f
AKS		 2032 qlcnic_fw_destroy_ctx(adapter);
2033
7eb9855d
AKS		 2034 qlcnic_detach(adapter);
2035
79788450 2036 adapter->ahw->diag_test = 0;
34e8c406
HM		 2037 adapter->drv_sds_rings = drv_sds_rings;
2038 adapter->drv_tx_rings = drv_tx_rings;
7eb9855d
AKS		 2039
2040 if (qlcnic_attach(adapter))
34ce3626 2041 goto out;
7eb9855d
AKS		 2042
2043 if (netif_running(netdev))
2044 __qlcnic_up(adapter, netdev);
34ce3626 2045out:
7eb9855d
AKS		 2046 netif_device_attach(netdev);
2047}
2048
b1fc6d3c
AC		 2049static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2050{
2051 int err = 0;
be273dc1 2052
b1fc6d3c
AC		 2053 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2054 GFP_KERNEL);
2055 if (!adapter->recv_ctx) {
b1fc6d3c 2056 err = -ENOMEM;
8816d009 2057 goto err_out;
b1fc6d3c 2058 }
a514722a 2059
4be41e92
SC		 2060 /* clear stats */
2061 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 2062err_out:
2063 return err;
2064}
2065
2066static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2067{
2068 kfree(adapter->recv_ctx);
2069 adapter->recv_ctx = NULL;
2070
18f2f616
AC		 2071 if (adapter->ahw->fw_dump.tmpl_hdr) {
2072 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2073 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2074 }
4be41e92 2075
81d0aeb0 2076 kfree(adapter->ahw->reset.buff);
4be41e92 2077 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 2078}
2079
7eb9855d
AKS		 2080int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2081{
2082 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2083 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 2084 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 2085 int ring;
2086 int ret;
2087
2088 netif_device_detach(netdev);
2089
2090 if (netif_running(netdev))
2091 __qlcnic_down(adapter, netdev);
2092
2093 qlcnic_detach(adapter);
2094
34e8c406 2095 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
79788450 2096 adapter->ahw->diag_test = test;
4be41e92 2097 adapter->ahw->linkup = 0;
7eb9855d
AKS		 2098
2099 ret = qlcnic_attach(adapter);
34ce3626
AKS		 2100 if (ret) {
2101 netif_device_attach(netdev);
7eb9855d 2102 return ret;
34ce3626 2103 }
7eb9855d 2104
8a15ad1f
AKS		 2105 ret = qlcnic_fw_create_ctx(adapter);
2106 if (ret) {
2107 qlcnic_detach(adapter);
57e46248 2108 netif_device_attach(netdev);
8a15ad1f
AKS		 2109 return ret;
2110 }
2111
2112 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 2113 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 2114 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 2115 }
2116
79788450 2117 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2118 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2119 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2120 qlcnic_enable_sds_intr(adapter, sds_ring);
cdaff185 2121 }
7eb9855d 2122 }
22c8c934 2123
79788450 2124 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 2125 adapter->ahw->loopback_state = 0;
2126 qlcnic_linkevent_request(adapter, 1);
2127 }
2128
78ad3892 2129 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 2130
2131 return 0;
2132}
2133
68bf1c68
AKS		 2134/* Reset context in hardware only */
2135static int
2136qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2137{
2138 struct net_device *netdev = adapter->netdev;
2139
2140 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2141 return -EBUSY;
2142
2143 netif_device_detach(netdev);
2144
2145 qlcnic_down(adapter, netdev);
2146
2147 qlcnic_up(adapter, netdev);
2148
2149 netif_device_attach(netdev);
2150
2151 clear_bit(__QLCNIC_RESETTING, &adapter->state);
95b3890a 2152 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
68bf1c68
AKS		 2153 return 0;
2154}
2155
af19b491
AKS		 2156int
2157qlcnic_reset_context(struct qlcnic_adapter *adapter)
2158{
2159 int err = 0;
2160 struct net_device *netdev = adapter->netdev;
2161
2162 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2163 return -EBUSY;
2164
2165 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2166
2167 netif_device_detach(netdev);
2168
2169 if (netif_running(netdev))
2170 __qlcnic_down(adapter, netdev);
2171
2172 qlcnic_detach(adapter);
2173
2174 if (netif_running(netdev)) {
2175 err = qlcnic_attach(adapter);
1d5c88e3 2176 if (!err) {
34ce3626 2177 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 2178 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2179 }
af19b491
AKS		 2180 }
2181
2182 netif_device_attach(netdev);
2183 }
2184
af19b491
AKS		 2185 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2186 return err;
2187}
2188
21041400 2189static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
52e493d0
JK		 2190{
2191 struct qlcnic_hardware_context *ahw = adapter->ahw;
2f514c52 2192 u16 act_pci_fn = ahw->total_nic_func;
52e493d0
JK		 2193 u16 count;
2194
2195 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2196 if (act_pci_fn <= 2)
2197 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2198 act_pci_fn;
2199 else
2200 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2201 act_pci_fn;
2202 ahw->max_uc_count = count;
2203}
2204
f8468331 2205int
5ad6ff9d
SC		 2206qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2207 int pci_using_dac)
af19b491
AKS		 2208{
2209 int err;
2210 struct pci_dev *pdev = adapter->pdev;
2211
13159183 2212 adapter->rx_csum = 1;
79788450 2213 adapter->ahw->mc_enabled = 0;
52e493d0 2214 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2215
2216 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2217 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2218
2219 qlcnic_change_mtu(netdev, netdev->mtu);
2220
d1a1105e
RB		 2221 if (qlcnic_sriov_vf_check(adapter))
2222 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2223 else
2224 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 2225
7e38d04b 2226 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2227 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2228 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2229 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2230 NETIF_F_IPV6_CSUM);
ac8d0c4f 2231
13159183
SC		 2232 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2233 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2234 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2235 }
af19b491 2236
13159183
SC		 2237 if (pci_using_dac) {
2238 netdev->features |= NETIF_F_HIGHDMA;
2239 netdev->vlan_features |= NETIF_F_HIGHDMA;
2240 }
af19b491 2241
13159183 2242 if (qlcnic_vlan_tx_check(adapter))
f646968f 2243 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2244
91b7282b
RB		 2245 if (qlcnic_sriov_vf_check(adapter))
2246 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2247
13159183
SC		 2248 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2249 netdev->features |= NETIF_F_LRO;
135d84a9 2250
381709de
SS		 2251 if (qlcnic_encap_tx_offload(adapter)) {
2252 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2253
2254 /* encapsulation Tx offload supported by Adapter */
2255 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2256 NETIF_F_GSO_UDP_TUNNEL |
2257 NETIF_F_TSO |
2258 NETIF_F_TSO6;
2259 }
2260
2b3d7b75
SS		 2261 if (qlcnic_encap_rx_offload(adapter))
2262 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2263
7e38d04b 2264 netdev->hw_features = netdev->features;
52e493d0 2265 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2266 netdev->irq = adapter->msix_entries[0].vector;
2267
aa4a1f7d
HM		 2268 err = qlcnic_set_real_num_queues(adapter, netdev);
2269 if (err)
2270 return err;
012ec812 2271
af19b491
AKS		 2272 err = register_netdev(netdev);
2273 if (err) {
2274 dev_err(&pdev->dev, "failed to register net device\n");
2275 return err;
2276 }
2277
1de899d3 2278 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
48365e48 2279
af19b491
AKS		 2280 return 0;
2281}
2282
5ad6ff9d 2283static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2284{
2285 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2286 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2287 *pci_using_dac = 1;
2288 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2289 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2290 *pci_using_dac = 0;
2291 else {
2292 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2293 return -EIO;
2294 }
2295
2296 return 0;
2297}
2298
4be41e92
SC		 2299void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2300{
2301 int ring;
2302 struct qlcnic_host_tx_ring *tx_ring;
2303
34e8c406 2304 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2305 tx_ring = &adapter->tx_ring[ring];
2306 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2307 vfree(tx_ring->cmd_buf_arr);
2308 tx_ring->cmd_buf_arr = NULL;
2309 }
2310 }
2311 if (adapter->tx_ring != NULL)
2312 kfree(adapter->tx_ring);
2313}
2314
2315int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2316 struct net_device *netdev)
2317{
b2adaca9 2318 int ring, vector, index;
4be41e92
SC		 2319 struct qlcnic_host_tx_ring *tx_ring;
2320 struct qlcnic_cmd_buffer *cmd_buf_arr;
2321
34e8c406 2322 tx_ring = kcalloc(adapter->drv_tx_rings,
b2adaca9
JP		 2323 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2324 if (tx_ring == NULL)
4be41e92 2325 return -ENOMEM;
b2adaca9 2326
4be41e92
SC		 2327 adapter->tx_ring = tx_ring;
2328
34e8c406 2329 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2330 tx_ring = &adapter->tx_ring[ring];
2331 tx_ring->num_desc = adapter->num_txd;
2332 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2333 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2334 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2335 qlcnic_free_tx_rings(adapter);
2336 return -ENOMEM;
2337 }
2338 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2339 tx_ring->cmd_buf_arr = cmd_buf_arr;
a02bdd42 2340 spin_lock_init(&tx_ring->tx_clean_lock);
4be41e92
SC		 2341 }
2342
012ec812
HM		 2343 if (qlcnic_83xx_check(adapter) ||
2344 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
34e8c406 2345 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2346 tx_ring = &adapter->tx_ring[ring];
2347 tx_ring->adapter = adapter;
2348 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
34e8c406 2349 index = adapter->drv_sds_rings + ring;
4be41e92
SC		 2350 vector = adapter->msix_entries[index].vector;
2351 tx_ring->irq = vector;
2352 }
2353 }
2354 }
012ec812 2355
4be41e92
SC		 2356 return 0;
2357}
2358
8af3f33d
PP		 2359void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2360{
2361 struct qlcnic_hardware_context *ahw = adapter->ahw;
2362 u32 fw_cmd = 0;
2363
2364 if (qlcnic_82xx_check(adapter))
2365 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2366 else if (qlcnic_83xx_check(adapter))
2367 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2368
d6994ca7 2369 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2370 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2371}
2372
6bb58bb0 2373static int
af19b491
AKS		 2374qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2375{
2376 struct net_device *netdev = NULL;
2377 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2378 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2379 int err, pci_using_dac = -1;
7bc48646 2380 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2381
f8468331
RB		 2382 if (pdev->is_virtfn)
2383 return -ENODEV;
2384
af19b491
AKS		 2385 err = pci_enable_device(pdev);
2386 if (err)
2387 return err;
2388
2389 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2390 err = -ENODEV;
2391 goto err_out_disable_pdev;
2392 }
2393
1bb09fb9
AKS		 2394 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2395 if (err)
2396 goto err_out_disable_pdev;
2397
af19b491
AKS		 2398 err = pci_request_regions(pdev, qlcnic_driver_name);
2399 if (err)
2400 goto err_out_disable_pdev;
2401
2402 pci_set_master(pdev);
451724c8 2403 pci_enable_pcie_error_reporting(pdev);
af19b491 2404
7e2cf4fe 2405 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2406 if (!ahw) {
2407 err = -ENOMEM;
7e2cf4fe 2408 goto err_out_free_res;
02135582 2409 }
7e2cf4fe 2410
f8468331
RB		 2411 switch (ent->device) {
2412 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2413 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2414 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2415 break;
2416 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2417 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2418 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2419 break;
2420 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2421 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2422 qlcnic_sriov_vf_register_map(ahw);
2423 break;
2424 default:
13159183 2425 goto err_out_free_hw_res;
7e2cf4fe
SC		 2426 }
2427
2428 err = qlcnic_setup_pci_map(pdev, ahw);
2429 if (err)
2430 goto err_out_free_hw_res;
2431
012ec812
HM		 2432 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2433 QLCNIC_MAX_TX_RINGS);
af19b491 2434 if (!netdev) {
af19b491 2435 err = -ENOMEM;
7e2cf4fe 2436 goto err_out_iounmap;
af19b491
AKS		 2437 }
2438
2439 SET_NETDEV_DEV(netdev, &pdev->dev);
2440
2441 adapter = netdev_priv(netdev);
2442 adapter->netdev = netdev;
2443 adapter->pdev = pdev;
13159183
SC		 2444 adapter->ahw = ahw;
2445
2446 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2447 if (adapter->qlcnic_wq == NULL) {
02135582 2448 err = -ENOMEM;
13159183
SC		 2449 dev_err(&pdev->dev, "Failed to create workqueue\n");
2450 goto err_out_free_netdev;
2451 }
af19b491 2452
2dfc9671
PST		 2453 err = qlcnic_alloc_adapter_resources(adapter);
2454 if (err)
2b1f18a4 2455 goto err_out_free_wq;
b1fc6d3c
AC		 2456
2457 adapter->dev_rst_time = jiffies;
2f514c52
JK		 2458 ahw->revision_id = pdev->revision;
2459 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
fe1adc6b
JK		 2460 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2461 adapter->fdb_mac_learn = true;
2462 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2463 adapter->drv_mac_learn = true;
af19b491 2464
b1fc6d3c
AC		 2465 rwlock_init(&adapter->ahw->crb_lock);
2466 mutex_init(&adapter->ahw->mem_lock);
af19b491 2467
af19b491
AKS		 2468 INIT_LIST_HEAD(&adapter->mac_list);
2469
14d385b9
SC		 2470 qlcnic_register_dcb(adapter);
2471
7e2cf4fe 2472 if (qlcnic_82xx_check(adapter)) {
13159183 2473 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2474 adapter->portnum = adapter->ahw->pci_func;
2475 err = qlcnic_start_firmware(adapter);
2476 if (err) {
66451615
SC		 2477 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2478 "\t\tIf reboot doesn't help, try flashing the card\n");
2479 goto err_out_maintenance_mode;
7e2cf4fe 2480 }
af19b491 2481
34e8c406
HM		 2482 /* compute and set default and max tx/sds rings */
2483 if (adapter->ahw->msix_supported) {
2484 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2485 qlcnic_set_tx_ring_count(adapter,
2486 QLCNIC_SINGLE_RING);
2487 else
2488 qlcnic_set_tx_ring_count(adapter,
2489 QLCNIC_DEF_TX_RINGS);
2490 qlcnic_set_sds_ring_count(adapter,
2491 QLCNIC_DEF_SDS_RINGS);
2492 } else {
2493 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2494 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
012ec812
HM		 2495 }
2496
7e2cf4fe
SC		 2497 err = qlcnic_setup_idc_param(adapter);
2498 if (err)
2499 goto err_out_free_hw;
b0044bcf 2500
7e2cf4fe 2501 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2502
13159183
SC		 2503 } else if (qlcnic_83xx_check(adapter)) {
2504 qlcnic_83xx_check_vf(adapter, ent);
2505 adapter->portnum = adapter->ahw->pci_func;
f8468331 2506 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac 2507 if (err) {
78ea2d97
SC		 2508 switch (err) {
2509 case -ENOTRECOVERABLE:
2a355aec
SC		 2510 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2511 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
78ea2d97
SC		 2512 goto err_out_free_hw;
2513 case -ENOMEM:
2514 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2515 goto err_out_free_hw;
2516 default:
2517 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2518 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2519 goto err_out_maintenance_mode;
2520 }
629263ac 2521 }
78ea2d97 2522
f8468331
RB		 2523 if (qlcnic_sriov_vf_check(adapter))
2524 return 0;
13159183
SC		 2525 } else {
2526 dev_err(&pdev->dev,
2527 "%s: failed. Please Reboot\n", __func__);
2528 goto err_out_free_hw;
a7fc948f 2529 }
af19b491 2530
da48e6c3
RB		 2531 if (qlcnic_read_mac_addr(adapter))
2532 dev_warn(&pdev->dev, "failed to read mac addr\n");
2533
07a251c8
SS		 2534 qlcnic_read_phys_port_id(adapter);
2535
da48e6c3 2536 if (adapter->portnum == 0) {
22999798 2537 qlcnic_get_board_name(adapter, board_name);
13159183 2538
da48e6c3 2539 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2540 module_name(THIS_MODULE),
2541 board_name, adapter->ahw->revision_id);
da48e6c3 2542 }
460374f7
HM		 2543
2544 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2545 !!qlcnic_use_msi)
2546 dev_warn(&pdev->dev,
01b91f4c 2547 "Device does not support MSI interrupts\n");
460374f7 2548
068a8d19 2549 if (qlcnic_82xx_check(adapter)) {
4d52e1e8
SC		 2550 qlcnic_dcb_enable(adapter->dcb);
2551 qlcnic_dcb_get_info(adapter->dcb);
34e8c406 2552 err = qlcnic_setup_intr(adapter);
4d52e1e8 2553
068a8d19
MC		 2554 if (err) {
2555 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2556 goto err_out_disable_msi;
068a8d19 2557 }
13159183 2558 }
af19b491 2559
02135582
SC		 2560 err = qlcnic_get_act_pci_func(adapter);
2561 if (err)
2562 goto err_out_disable_mbx_intr;
2563
1bb09fb9 2564 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2565 if (err)
7e2cf4fe 2566 goto err_out_disable_mbx_intr;
af19b491 2567
24866d15
HM		 2568 if (adapter->portnum == 0)
2569 qlcnic_set_drv_version(adapter);
c84e340a 2570
af19b491
AKS		 2571 pci_set_drvdata(pdev, adapter);
2572
97ee45eb
SC		 2573 if (qlcnic_82xx_check(adapter))
2574 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2575 FW_POLL_DELAY);
af19b491 2576
b1fc6d3c 2577 switch (adapter->ahw->port_type) {
af19b491
AKS		 2578 case QLCNIC_GBE:
2579 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2580 adapter->netdev->name);
2581 break;
2582 case QLCNIC_XGBE:
2583 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2584 adapter->netdev->name);
2585 break;
2586 }
2587
fe1adc6b 2588 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2589 qlcnic_alloc_lb_filters_mem(adapter);
2590
7e2cf4fe 2591 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2592
2593 return 0;
2594
7e2cf4fe 2595err_out_disable_mbx_intr:
7dd90cf1 2596 if (qlcnic_83xx_check(adapter))
13159183 2597 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2598
af19b491
AKS		 2599err_out_disable_msi:
2600 qlcnic_teardown_intr(adapter);
7e2cf4fe 2601 qlcnic_cancel_idc_work(adapter);
21854f02 2602 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2603
b1fc6d3c
AC		 2604err_out_free_hw:
2605 qlcnic_free_adapter_resources(adapter);
2606
2b1f18a4
WY		 2607err_out_free_wq:
2608 destroy_workqueue(adapter->qlcnic_wq);
2609
af19b491
AKS		 2610err_out_free_netdev:
2611 free_netdev(netdev);
2612
7e2cf4fe 2613err_out_iounmap:
f1a094a8 2614 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2615
2616err_out_free_hw_res:
2617 kfree(ahw);
2618
af19b491
AKS		 2619err_out_free_res:
2620 pci_release_regions(pdev);
2621
2622err_out_disable_pdev:
af19b491
AKS		 2623 pci_disable_device(pdev);
2624 return err;
66451615
SC		 2625
2626err_out_maintenance_mode:
78ea2d97 2627 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615
SC		 2628 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2629 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
78ea2d97
SC		 2630 ahw->port_type = QLCNIC_XGBE;
2631
2632 if (qlcnic_83xx_check(adapter))
2633 adapter->tgt_status_reg = NULL;
2634 else
2635 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2636
66451615
SC		 2637 err = register_netdev(netdev);
2638
2639 if (err) {
2640 dev_err(&pdev->dev, "Failed to register net device\n");
2641 qlcnic_clr_all_drv_state(adapter, 0);
2642 goto err_out_free_hw;
2643 }
2644
2645 pci_set_drvdata(pdev, adapter);
2646 qlcnic_add_sysfs(adapter);
2647
2648 return 0;
af19b491
AKS		 2649}
2650
6bb58bb0 2651static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2652{
2653 struct qlcnic_adapter *adapter;
2654 struct net_device *netdev;
13159183 2655 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2656
2657 adapter = pci_get_drvdata(pdev);
2658 if (adapter == NULL)
2659 return;
2660
2661 netdev = adapter->netdev;
02feda17 2662 qlcnic_sriov_pf_disable(adapter);
af19b491 2663
13159183
SC		 2664 qlcnic_cancel_idc_work(adapter);
2665 ahw = adapter->ahw;
af19b491
AKS		 2666
2667 unregister_netdev(netdev);
02feda17 2668 qlcnic_sriov_cleanup(adapter);
af19b491 2669
13159183 2670 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 2671 qlcnic_83xx_initialize_nic(adapter, 0);
3d73b5fd 2672 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2673 qlcnic_83xx_free_mbx_intr(adapter);
2674 qlcnic_83xx_detach_mailbox_work(adapter);
2675 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2676 kfree(ahw->fw_info);
13159183
SC		 2677 }
2678
3720bf79
SC		 2679 qlcnic_dcb_free(adapter->dcb);
2680
af19b491
AKS		 2681 qlcnic_detach(adapter);
2682
2e9d722d
AC		 2683 if (adapter->npars != NULL)
2684 kfree(adapter->npars);
2685 if (adapter->eswitch != NULL)
2686 kfree(adapter->eswitch);
2687
97ee45eb
SC		 2688 if (qlcnic_82xx_check(adapter))
2689 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2690
2691 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2692
b5e5492c
AKS		 2693 qlcnic_free_lb_filters_mem(adapter);
2694
af19b491
AKS		 2695 qlcnic_teardown_intr(adapter);
2696
13159183 2697 qlcnic_remove_sysfs(adapter);
af19b491 2698
f1a094a8 2699 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2700
2701 qlcnic_release_firmware(adapter);
2702
451724c8 2703 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2704 pci_release_regions(pdev);
2705 pci_disable_device(pdev);
af19b491 2706
13159183
SC		 2707 if (adapter->qlcnic_wq) {
2708 destroy_workqueue(adapter->qlcnic_wq);
2709 adapter->qlcnic_wq = NULL;
2710 }
14d385b9 2711
b1fc6d3c 2712 qlcnic_free_adapter_resources(adapter);
13159183 2713 kfree(ahw);
af19b491
AKS		 2714 free_netdev(netdev);
2715}
af19b491
AKS		 2716
2717static void qlcnic_shutdown(struct pci_dev *pdev)
2718{
2719 if (__qlcnic_shutdown(pdev))
2720 return;
2721
2722 pci_disable_device(pdev);
2723}
2724
2725#ifdef CONFIG_PM
486a5bc7 2726static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2727{
2728 int retval;
2729
2730 retval = __qlcnic_shutdown(pdev);
2731 if (retval)
2732 return retval;
2733
2734 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2735 return 0;
2736}
2737
486a5bc7 2738static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2739{
2740 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2741 int err;
2742
2743 err = pci_enable_device(pdev);
2744 if (err)
2745 return err;
2746
2747 pci_set_power_state(pdev, PCI_D0);
2748 pci_set_master(pdev);
2749 pci_restore_state(pdev);
2750
486a5bc7 2751 return __qlcnic_resume(adapter);
af19b491
AKS		 2752}
2753#endif
2754
2755static int qlcnic_open(struct net_device *netdev)
2756{
2757 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2758 int err;
2759
78ea2d97
SC		 2760 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2761 netdev_err(netdev, "%s: Device is in non-operational state\n",
2762 __func__);
66451615
SC		 2763
2764 return -EIO;
2765 }
2766
c55ad8e5
AKS		 2767 netif_carrier_off(netdev);
2768
af19b491
AKS		 2769 err = qlcnic_attach(adapter);
2770 if (err)
2771 return err;
2772
2773 err = __qlcnic_up(adapter, netdev);
2774 if (err)
060d0564 2775 qlcnic_detach(adapter);
af19b491 2776
af19b491
AKS		 2777 return err;
2778}
2779
2780/*
2781 * qlcnic_close - Disables a network interface entry point
2782 */
2783static int qlcnic_close(struct net_device *netdev)
2784{
2785 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2786
2787 __qlcnic_down(adapter, netdev);
13159183 2788
af19b491
AKS		 2789 return 0;
2790}
2791
e5dcf6dc 2792void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2793{
2794 void *head;
2795 int i;
13159183
SC		 2796 struct net_device *netdev = adapter->netdev;
2797 u32 filter_size = 0;
2798 u16 act_pci_func = 0;
b5e5492c 2799
e5dcf6dc 2800 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2801 return;
2802
2f514c52 2803 act_pci_func = adapter->ahw->total_nic_func;
b5e5492c 2804 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2805 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2806
13159183
SC		 2807 if (qlcnic_82xx_check(adapter)) {
2808 filter_size = QLCNIC_LB_MAX_FILTERS;
2809 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2810 } else {
2811 filter_size = QLC_83XX_LB_MAX_FILTERS;
2812 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2813 }
2814
2815 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2816 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2817
b5e5492c
AKS		 2818 if (!head)
2819 return;
2820
13159183 2821 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2822 adapter->fhash.fhead = head;
b5e5492c 2823
13159183
SC		 2824 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2825 act_pci_func, adapter->fhash.fmax);
2826
2827 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2828 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2829
2830 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2831
2832 head = kcalloc(adapter->rx_fhash.fbucket_size,
2833 sizeof(struct hlist_head), GFP_ATOMIC);
2834
2835 if (!head)
2836 return;
2837
2838 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2839 adapter->rx_fhash.fhead = head;
2840
2841 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2842 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2843}
2844
2845static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2846{
2847 if (adapter->fhash.fmax && adapter->fhash.fhead)
2848 kfree(adapter->fhash.fhead);
2849
2850 adapter->fhash.fhead = NULL;
2851 adapter->fhash.fmax = 0;
53643a75
SS		 2852
2853 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2854 kfree(adapter->rx_fhash.fhead);
2855
2856 adapter->rx_fhash.fmax = 0;
2857 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2858}
2859
629263ac 2860int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2861{
2862 struct net_device *netdev = adapter->netdev;
97ee45eb 2863 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2864 int rv = 0;
2865
13159183
SC		 2866 if (qlcnic_83xx_check(adapter))
2867 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2868
97ee45eb 2869 if (qlcnic_82xx_check(adapter))
a15ebd37 2870 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2871
2872 temp_state = qlcnic_get_temp_state(temp);
2873 temp_val = qlcnic_get_temp_val(temp);
2874
2875 if (temp_state == QLCNIC_TEMP_PANIC) {
2876 dev_err(&netdev->dev,
2877 "Device temperature %d degrees C exceeds"
2878 " maximum allowed. Hardware has been shut down.\n",
2879 temp_val);
2880 rv = 1;
2881 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2882 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2883 dev_err(&netdev->dev,
2884 "Device temperature %d degrees C "
2885 "exceeds operating range."
2886 " Immediate action needed.\n",
2887 temp_val);
2888 }
2889 } else {
79788450 2890 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2891 dev_info(&netdev->dev,
2892 "Device temperature is now %d degrees C"
2893 " in normal range.\n", temp_val);
2894 }
2895 }
79788450 2896 adapter->ahw->temp = temp_state;
af19b491
AKS		 2897 return rv;
2898}
2899
95b3890a 2900static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
af19b491 2901{
95b3890a
HM		 2902 int i;
2903 struct cmd_desc_type0 *tx_desc_info;
2904
2905 for (i = 0; i < tx_ring->num_desc; i++) {
2906 tx_desc_info = &tx_ring->desc_head[i];
2907 pr_info("TX Desc: %d\n", i);
2908 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2909 &tx_ring->desc_head[i],
2910 sizeof(struct cmd_desc_type0), true);
2911 }
2912}
2913
2914static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2915{
2916 struct net_device *netdev = adapter->netdev;
012ec812
HM		 2917 struct qlcnic_host_tx_ring *tx_ring;
2918 int ring;
af19b491 2919
95b3890a
HM		 2920 if (!netdev || !netif_running(netdev))
2921 return;
2922
2923 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2924 tx_ring = &adapter->tx_ring[ring];
2925 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2926 ring, tx_ring->ctx_id);
2927 netdev_info(netdev,
2928 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2929 tx_ring->tx_stats.xmit_finished,
2930 tx_ring->tx_stats.xmit_called,
2931 tx_ring->tx_stats.xmit_on,
2932 tx_ring->tx_stats.xmit_off);
2933 netdev_info(netdev,
2934 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2935 readl(tx_ring->crb_intr_mask),
2936 readl(tx_ring->crb_cmd_producer),
2937 tx_ring->producer, tx_ring->sw_consumer,
2938 le32_to_cpu(*(tx_ring->hw_consumer)));
2939
2940 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2941 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2942
2943 if (netif_msg_tx_done(adapter->ahw))
2944 dump_tx_ring_desc(tx_ring);
2945 }
2946}
2947
2948static void qlcnic_tx_timeout(struct net_device *netdev)
2949{
2950 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2951
af19b491
AKS		 2952 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2953 return;
2954
536faa61
SC		 2955 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2956 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2957 if (qlcnic_82xx_check(adapter))
2958 adapter->need_fw_reset = 1;
2959 else if (qlcnic_83xx_check(adapter))
2960 qlcnic_83xx_idc_request_reset(adapter,
2961 QLCNIC_FORCE_FW_DUMP_KEY);
2962 } else {
2963 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
95b3890a 2964 qlcnic_dump_tx_rings(adapter);
79788450 2965 adapter->ahw->reset_context = 1;
536faa61 2966 }
af19b491
AKS		 2967}
2968
2969static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2970{
2971 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2972 struct net_device_stats *stats = &netdev->stats;
2973
1ac6762a
MC		 2974 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2975 qlcnic_update_stats(adapter);
2976
af19b491
AKS		 2977 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2978 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2979 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2980 stats->tx_bytes = adapter->stats.txbytes;
2981 stats->rx_dropped = adapter->stats.rxdropped;
2982 stats->tx_dropped = adapter->stats.txdropped;
2983
2984 return stats;
2985}
2986
21041400 2987static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2988{
af19b491
AKS		 2989 u32 status;
2990
2991 status = readl(adapter->isr_int_vec);
2992
79788450 2993 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2994 return IRQ_NONE;
2995
2996 /* check interrupt state machine, to be sure */
2997 status = readl(adapter->crb_int_state_reg);
2998 if (!ISR_LEGACY_INT_TRIGGERED(status))
2999 return IRQ_NONE;
3000
3001 writel(0xffffffff, adapter->tgt_status_reg);
3002 /* read twice to ensure write is flushed */
3003 readl(adapter->isr_int_vec);
3004 readl(adapter->isr_int_vec);
3005
7eb9855d
AKS		 3006 return IRQ_HANDLED;
3007}
3008
3009static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3010{
3011 struct qlcnic_host_sds_ring *sds_ring = data;
3012 struct qlcnic_adapter *adapter = sds_ring->adapter;
3013
3014 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3015 goto done;
3016 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3017 writel(0xffffffff, adapter->tgt_status_reg);
3018 goto done;
3019 }
3020
3021 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3022 return IRQ_NONE;
3023
3024done:
79788450 3025 adapter->ahw->diag_cnt++;
2cc5752e 3026 qlcnic_enable_sds_intr(adapter, sds_ring);
7eb9855d
AKS		 3027 return IRQ_HANDLED;
3028}
3029
3030static irqreturn_t qlcnic_intr(int irq, void *data)
3031{
3032 struct qlcnic_host_sds_ring *sds_ring = data;
3033 struct qlcnic_adapter *adapter = sds_ring->adapter;
3034
3035 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3036 return IRQ_NONE;
3037
af19b491
AKS		 3038 napi_schedule(&sds_ring->napi);
3039
3040 return IRQ_HANDLED;
3041}
3042
3043static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3044{
3045 struct qlcnic_host_sds_ring *sds_ring = data;
3046 struct qlcnic_adapter *adapter = sds_ring->adapter;
3047
3048 /* clear interrupt */
3049 writel(0xffffffff, adapter->tgt_status_reg);
3050
3051 napi_schedule(&sds_ring->napi);
3052 return IRQ_HANDLED;
3053}
3054
3055static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3056{
3057 struct qlcnic_host_sds_ring *sds_ring = data;
3058
3059 napi_schedule(&sds_ring->napi);
3060 return IRQ_HANDLED;
3061}
3062
13159183
SC		 3063static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3064{
3065 struct qlcnic_host_tx_ring *tx_ring = data;
3066
3067 napi_schedule(&tx_ring->napi);
3068 return IRQ_HANDLED;
3069}
3070
af19b491
AKS		 3071#ifdef CONFIG_NET_POLL_CONTROLLER
3072static void qlcnic_poll_controller(struct net_device *netdev)
3073{
3074 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2b018ad9
M		 3075 struct qlcnic_host_sds_ring *sds_ring;
3076 struct qlcnic_recv_context *recv_ctx;
3077 struct qlcnic_host_tx_ring *tx_ring;
3078 int ring;
3079
3080 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3081 return;
3082
3083 recv_ctx = adapter->recv_ctx;
bf82791e 3084
34e8c406 3085 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
bf82791e 3086 sds_ring = &recv_ctx->sds_rings[ring];
2b018ad9
M		 3087 qlcnic_disable_sds_intr(adapter, sds_ring);
3088 napi_schedule(&sds_ring->napi);
3089 }
3090
3091 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3092 /* Only Multi-Tx queue capable devices need to
3093 * schedule NAPI for TX rings
3094 */
3095 if ((qlcnic_83xx_check(adapter) &&
3096 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3097 (qlcnic_82xx_check(adapter) &&
3098 !qlcnic_check_multi_tx(adapter)))
3099 return;
3100
3101 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3102 tx_ring = &adapter->tx_ring[ring];
3103 qlcnic_disable_tx_intr(adapter, tx_ring);
3104 napi_schedule(&tx_ring->napi);
3105 }
bf82791e 3106 }
af19b491
AKS		 3107}
3108#endif
3109
6df900e9
SC		 3110static void
3111qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3112{
3113 u32 val;
3114
3115 val = adapter->portnum & 0xf;
3116 val |= encoding << 7;
3117 val |= (jiffies - adapter->dev_rst_time) << 8;
3118
a15ebd37 3119 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 3120 adapter->dev_rst_time = jiffies;
3121}
3122
ade91f8e
AKS		 3123static int
3124qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 3125{
3126 u32 val;
3127
3128 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3129 state != QLCNIC_DEV_NEED_QUISCENT);
3130
3131 if (qlcnic_api_lock(adapter))
ade91f8e 3132 return -EIO;
af19b491 3133
a15ebd37 3134 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 3135
3136 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 3137 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 3138 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 3139 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 3140
a15ebd37 3141 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3142
3143 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 3144
3145 return 0;
af19b491
AKS		 3146}
3147
1b95a839
AKS		 3148static int
3149qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3150{
3151 u32 val;
3152
3153 if (qlcnic_api_lock(adapter))
3154 return -EBUSY;
3155
a15ebd37 3156 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3157 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3158 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 3159
3160 qlcnic_api_unlock(adapter);
3161
3162 return 0;
3163}
3164
486a5bc7 3165void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 3166{
3167 u32 val;
3168
3169 if (qlcnic_api_lock(adapter))
3170 goto err;
3171
a15ebd37 3172 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 3173 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 3174 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 3175
21854f02 3176 if (failed) {
a15ebd37
HM		 3177 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3178 QLCNIC_DEV_FAILED);
21854f02
AKS		 3179 dev_info(&adapter->pdev->dev,
3180 "Device state set to Failed. Please Reboot\n");
3181 } else if (!(val & 0x11111111))
a15ebd37
HM		 3182 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3183 QLCNIC_DEV_COLD);
af19b491 3184
a15ebd37 3185 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3186 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3187 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3188
3189 qlcnic_api_unlock(adapter);
3190err:
3191 adapter->fw_fail_cnt = 0;
032a13c7 3192 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 3193 clear_bit(__QLCNIC_START_FW, &adapter->state);
3194 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3195}
3196
f73dfc50 3197/* Grab api lock, before checking state */
af19b491
AKS		 3198static int
3199qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3200{
602ca6f0 3201 int act, state, active_mask;
a15ebd37 3202 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 3203
a15ebd37
HM		 3204 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3205 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 3206
602ca6f0 3207 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 3208 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 3209 act = act & active_mask;
3210 }
3211
af19b491
AKS		 3212 if (((state & 0x11111111) == (act & 0x11111111)) ||
3213 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3214 return 0;
3215 else
3216 return 1;
3217}
3218
96f8118c
SC		 3219static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3220{
a15ebd37 3221 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 3222
3223 if (val != QLCNIC_DRV_IDC_VER) {
3224 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3225 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3226 }
3227
3228 return 0;
3229}
3230
af19b491
AKS		 3231static int
3232qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3233{
3234 u32 val, prev_state;
aa5e18c0 3235 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 3236 u8 portnum = adapter->portnum;
96f8118c 3237 u8 ret;
af19b491 3238
f73dfc50
AKS		 3239 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3240 return 1;
3241
af19b491
AKS		 3242 if (qlcnic_api_lock(adapter))
3243 return -1;
3244
a15ebd37 3245 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 3246 if (!(val & (1 << (portnum * 4)))) {
3247 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 3248 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3249 }
3250
a15ebd37 3251 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3252 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3253
3254 switch (prev_state) {
3255 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3256 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3257 QLCNIC_DEV_INITIALIZING);
3258 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3259 QLCNIC_DRV_IDC_VER);
6df900e9 3260 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3261 qlcnic_api_unlock(adapter);
3262 return 1;
3263
3264 case QLCNIC_DEV_READY:
96f8118c 3265 ret = qlcnic_check_idc_ver(adapter);
af19b491 3266 qlcnic_api_unlock(adapter);
96f8118c 3267 return ret;
af19b491
AKS		 3268
3269 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3270 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3271 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3272 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3273 break;
3274
3275 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3276 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3277 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3278 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3279 break;
3280
3281 case QLCNIC_DEV_FAILED:
a7fc948f 3282 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3283 qlcnic_api_unlock(adapter);
3284 return -1;
bbd8c6a4
AKS		 3285
3286 case QLCNIC_DEV_INITIALIZING:
3287 case QLCNIC_DEV_QUISCENT:
3288 break;
af19b491
AKS		 3289 }
3290
3291 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3292
3293 do {
af19b491 3294 msleep(1000);
a15ebd37 3295 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3296
3297 if (prev_state == QLCNIC_DEV_QUISCENT)
3298 continue;
3299 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3300
65b5b420
AKS		 3301 if (!dev_init_timeo) {
3302 dev_err(&adapter->pdev->dev,
3303 "Waiting for device to initialize timeout\n");
af19b491 3304 return -1;
65b5b420 3305 }
af19b491
AKS		 3306
3307 if (qlcnic_api_lock(adapter))
3308 return -1;
3309
a15ebd37 3310 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3311 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3312 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3313
96f8118c 3314 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3315 qlcnic_api_unlock(adapter);
3316
96f8118c 3317 return ret;
af19b491
AKS		 3318}
3319
3320static void
3321qlcnic_fwinit_work(struct work_struct *work)
3322{
3323 struct qlcnic_adapter *adapter = container_of(work,
3324 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3325 u32 dev_state = 0xf;
7b749ff4 3326 u32 val;
af19b491 3327
f73dfc50
AKS		 3328 if (qlcnic_api_lock(adapter))
3329 goto err_ret;
af19b491 3330
a15ebd37 3331 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3332 if (dev_state == QLCNIC_DEV_QUISCENT ||
3333 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3334 qlcnic_api_unlock(adapter);
3335 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3336 FW_POLL_DELAY * 2);
3337 return;
3338 }
3339
79788450 3340 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3341 qlcnic_api_unlock(adapter);
3342 goto wait_npar;
9f26f547
AC		 3343 }
3344
16e3cf73
SV		 3345 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3346 dev_state == QLCNIC_DEV_READY) {
3347 dev_info(&adapter->pdev->dev, "Detected state change from "
3348 "DEV_NEED_RESET, skipping ack check\n");
3349 goto skip_ack_check;
3350 }
3351
f73dfc50 3352 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3353 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3354 adapter->reset_ack_timeo);
3355 goto skip_ack_check;
3356 }
3357
3358 if (!qlcnic_check_drv_state(adapter)) {
3359skip_ack_check:
a15ebd37 3360 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3361
f73dfc50 3362 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3363 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3364 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3365 set_bit(__QLCNIC_START_FW, &adapter->state);
3366 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3367 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3368 val = QLC_SHARED_REG_RD32(adapter,
3369 QLCNIC_CRB_DRV_STATE);
7b749ff4 3370 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3371 QLC_SHARED_REG_WR32(adapter,
3372 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3373 }
3374
f73dfc50
AKS		 3375 qlcnic_api_unlock(adapter);
3376
287e38aa 3377 rtnl_lock();
890b6e02 3378 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3379 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3380 QLCDB(adapter, DRV, "Take FW dump\n");
3381 qlcnic_dump_fw(adapter);
032a13c7 3382 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3383 }
287e38aa 3384 rtnl_unlock();
7b749ff4
SV		 3385
3386 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3387 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3388 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3389 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3390 return;
3391 }
af19b491
AKS		 3392 goto err_ret;
3393 }
3394
f73dfc50 3395 qlcnic_api_unlock(adapter);
aa5e18c0 3396
9f26f547 3397wait_npar:
a15ebd37 3398 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3399 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3400
af19b491 3401 switch (dev_state) {
3c4b23b1 3402 case QLCNIC_DEV_READY:
7e2cf4fe 3403 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3404 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3405 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3406 return;
3407 }
3c4b23b1
AKS		 3408 case QLCNIC_DEV_FAILED:
3409 break;
3410 default:
3411 qlcnic_schedule_work(adapter,
3412 qlcnic_fwinit_work, FW_POLL_DELAY);
3413 return;
af19b491
AKS		 3414 }
3415
3416err_ret:
f73dfc50
AKS		 3417 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3418 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3419 netif_device_attach(adapter->netdev);
21854f02 3420 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3421}
3422
3423static void
3424qlcnic_detach_work(struct work_struct *work)
3425{
3426 struct qlcnic_adapter *adapter = container_of(work,
3427 struct qlcnic_adapter, fw_work.work);
3428 struct net_device *netdev = adapter->netdev;
3429 u32 status;
3430
3431 netif_device_detach(netdev);
3432
b8c17620
AKS		 3433 /* Dont grab rtnl lock during Quiscent mode */
3434 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3435 if (netif_running(netdev))
3436 __qlcnic_down(adapter, netdev);
3437 } else
3438 qlcnic_down(adapter, netdev);
af19b491 3439
a15ebd37 3440 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3441
44f65b29
SC		 3442 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3443 dev_err(&adapter->pdev->dev,
3444 "Detaching the device: peg halt status1=0x%x\n",
3445 status);
3446
3447 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3448 dev_err(&adapter->pdev->dev,
3449 "On board active cooling fan failed. "
3450 "Device has been halted.\n");
3451 dev_err(&adapter->pdev->dev,
3452 "Replace the adapter.\n");
3453 }
3454
af19b491 3455 goto err_ret;
44f65b29 3456 }
af19b491 3457
79788450 3458 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3459 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3460 adapter->ahw->temp);
af19b491 3461 goto err_ret;
44f65b29
SC		 3462 }
3463
602ca6f0
SV		 3464 /* Dont ack if this instance is the reset owner */
3465 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3466 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3467 dev_err(&adapter->pdev->dev,
3468 "Failed to set driver state,"
3469 "detaching the device.\n");
602ca6f0 3470 goto err_ret;
44f65b29 3471 }
602ca6f0 3472 }
af19b491
AKS		 3473
3474 adapter->fw_wait_cnt = 0;
3475
3476 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3477
3478 return;
3479
3480err_ret:
34ce3626 3481 netif_device_attach(netdev);
21854f02 3482 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3483}
3484
3c4b23b1
AKS		 3485/*Transit NPAR state to NON Operational */
3486static void
3487qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3488{
3489 u32 state;
3490
a15ebd37 3491 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3492 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3493 return;
3494
3495 if (qlcnic_api_lock(adapter))
3496 return;
a15ebd37
HM		 3497 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3498 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3499 qlcnic_api_unlock(adapter);
3500}
3501
21041400 3502static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3503 u32 key)
af19b491 3504{
646779f1
SV		 3505 u32 state, xg_val = 0, gb_val = 0;
3506
3507 qlcnic_xg_set_xg0_mask(xg_val);
3508 qlcnic_xg_set_xg1_mask(xg_val);
3509 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3510 qlcnic_gb_set_gb0_mask(gb_val);
3511 qlcnic_gb_set_gb1_mask(gb_val);
3512 qlcnic_gb_set_gb2_mask(gb_val);
3513 qlcnic_gb_set_gb3_mask(gb_val);
3514 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3515 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3516 " on all ports\n");
cea8975e 3517 adapter->need_fw_reset = 1;
13159183 3518
af19b491
AKS		 3519 if (qlcnic_api_lock(adapter))
3520 return;
3521
13159183 3522 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3523
3524 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3525 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3526 __func__);
3527 qlcnic_api_unlock(adapter);
3528
3529 return;
3530 }
af19b491 3531
f73dfc50 3532 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3533 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3534 QLCNIC_DEV_NEED_RESET);
602ca6f0 3535 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3536 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3537 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3538 }
3539
13159183
SC		 3540 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3541 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3542 qlcnic_api_unlock(adapter);
3543}
3544
9f26f547
AC		 3545/* Transit to NPAR READY state from NPAR NOT READY state */
3546static void
3547qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3548{
9f26f547
AC		 3549 if (qlcnic_api_lock(adapter))
3550 return;
3551
a15ebd37
HM		 3552 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3553 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3554 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3555
3556 qlcnic_api_unlock(adapter);
3557}
3558
13159183
SC		 3559void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3560 work_func_t func, int delay)
af19b491 3561{
451724c8
SC		 3562 if (test_bit(__QLCNIC_AER, &adapter->state))
3563 return;
3564
af19b491 3565 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3566 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3567 round_jiffies_relative(delay));
af19b491
AKS		 3568}
3569
3570static void
3571qlcnic_attach_work(struct work_struct *work)
3572{
3573 struct qlcnic_adapter *adapter = container_of(work,
3574 struct qlcnic_adapter, fw_work.work);
3575 struct net_device *netdev = adapter->netdev;
b18971d1 3576 u32 npar_state;
af19b491 3577
79788450 3578 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3579 npar_state = QLC_SHARED_REG_RD32(adapter,
3580 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3581 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3582 qlcnic_clr_all_drv_state(adapter, 0);
3583 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3584 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3585 FW_POLL_DELAY);
3586 else
3587 goto attach;
3588 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3589 return;
3590 }
3591attach:
1de899d3 3592 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3593
af19b491 3594 if (netif_running(netdev)) {
52486a3a 3595 if (qlcnic_up(adapter, netdev))
af19b491 3596 goto done;
af19b491 3597
aec1e845 3598 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3599 }
3600
af19b491 3601done:
34ce3626 3602 netif_device_attach(netdev);
af19b491 3603 adapter->fw_fail_cnt = 0;
032a13c7 3604 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3605 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3606 if (adapter->portnum == 0)
3607 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3608
3609 if (!qlcnic_clr_drv_state(adapter))
3610 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3611 FW_POLL_DELAY);
af19b491
AKS		 3612}
3613
3614static int
3615qlcnic_check_health(struct qlcnic_adapter *adapter)
3616{
891e71b1
PP		 3617 struct qlcnic_hardware_context *ahw = adapter->ahw;
3618 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3619 u32 state = 0, heartbeat;
853d4bca 3620 u32 peg_status;
4bd8e738 3621 int err = 0;
af19b491
AKS		 3622
3623 if (qlcnic_check_temp(adapter))
3624 goto detach;
3625
2372a5f1 3626 if (adapter->need_fw_reset)
7e2cf4fe 3627 qlcnic_dev_request_reset(adapter, 0);
af19b491 3628
a15ebd37 3629 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3630 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3631 qlcnic_set_npar_non_operational(adapter);
af19b491 3632 adapter->need_fw_reset = 1;
b8c17620
AKS		 3633 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3634 goto detach;
af19b491 3635
a15ebd37 3636 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3637 if (heartbeat != adapter->heartbeat) {
3638 adapter->heartbeat = heartbeat;
af19b491
AKS		 3639 adapter->fw_fail_cnt = 0;
3640 if (adapter->need_fw_reset)
3641 goto detach;
68bf1c68 3642
891e71b1 3643 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3644 qlcnic_reset_hw_context(adapter);
68bf1c68 3645
af19b491
AKS		 3646 return 0;
3647 }
3648
3649 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3650 return 0;
3651
032a13c7
SV		 3652 adapter->flags |= QLCNIC_FW_HANG;
3653
7e2cf4fe 3654 qlcnic_dev_request_reset(adapter, 0);
af19b491 3655
099f7aa7 3656 if (qlcnic_auto_fw_reset)
0df170b6 3657 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3658
853d4bca 3659 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3660 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3661 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3662 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3663 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3664 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3665 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3666 peg_status,
3667 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3668 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3669 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3670 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3671 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3672 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3673 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3674 dev_err(&adapter->pdev->dev,
3675 "Firmware aborted with error code 0x00006700. "
3676 "Device is being reset.\n");
af19b491
AKS		 3677detach:
3678 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3679 QLCNIC_DEV_NEED_RESET;
3680
099f7aa7
SC		 3681 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3682 &adapter->state)) {
65b5b420 3683
af19b491 3684 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3685 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3686 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3687 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3688 qlcnic_dump_fw(adapter);
65b5b420 3689 }
af19b491
AKS		 3690
3691 return 1;
3692}
3693
486a5bc7 3694void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3695{
3696 struct qlcnic_adapter *adapter = container_of(work,
3697 struct qlcnic_adapter, fw_work.work);
3698
3699 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3700 goto reschedule;
3701
3702
3703 if (qlcnic_check_health(adapter))
3704 return;
3705
b5e5492c
AKS		 3706 if (adapter->fhash.fnum)
3707 qlcnic_prune_lb_filters(adapter);
3708
af19b491
AKS		 3709reschedule:
3710 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3711}
3712
451724c8
SC		 3713static int qlcnic_is_first_func(struct pci_dev *pdev)
3714{
3715 struct pci_dev *oth_pdev;
3716 int val = pdev->devfn;
3717
3718 while (val-- > 0) {
3719 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3720 (pdev->bus), pdev->bus->number,
3721 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3722 if (!oth_pdev)
3723 continue;
451724c8 3724
bfc978fa
AKS		 3725 if (oth_pdev->current_state != PCI_D3cold) {
3726 pci_dev_put(oth_pdev);
451724c8 3727 return 0;
bfc978fa
AKS		 3728 }
3729 pci_dev_put(oth_pdev);
451724c8
SC		 3730 }
3731 return 1;
3732}
3733
3734static int qlcnic_attach_func(struct pci_dev *pdev)
3735{
3736 int err, first_func;
3737 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3738 struct net_device *netdev = adapter->netdev;
3739
3740 pdev->error_state = pci_channel_io_normal;
3741
3742 err = pci_enable_device(pdev);
3743 if (err)
3744 return err;
3745
451724c8
SC		 3746 pci_set_master(pdev);
3747 pci_restore_state(pdev);
3748
3749 first_func = qlcnic_is_first_func(pdev);
3750
3751 if (qlcnic_api_lock(adapter))
3752 return -EINVAL;
3753
79788450 3754 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3755 adapter->need_fw_reset = 1;
3756 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3757 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3758 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3759 QLCDB(adapter, DRV, "Restarting fw\n");
3760 }
3761 qlcnic_api_unlock(adapter);
3762
13159183 3763 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3764 if (err)
3765 return err;
3766
3767 qlcnic_clr_drv_state(adapter);
13159183
SC		 3768 kfree(adapter->msix_entries);
3769 adapter->msix_entries = NULL;
34e8c406 3770 err = qlcnic_setup_intr(adapter);
13159183 3771
9a97e705
M		 3772 if (err) {
3773 kfree(adapter->msix_entries);
3774 netdev_err(netdev, "failed to setup interrupt\n");
3775 return err;
3776 }
3777
451724c8
SC		 3778 if (netif_running(netdev)) {
3779 err = qlcnic_attach(adapter);
3780 if (err) {
21854f02 3781 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3782 clear_bit(__QLCNIC_AER, &adapter->state);
3783 netif_device_attach(netdev);
3784 return err;
3785 }
3786
3787 err = qlcnic_up(adapter, netdev);
3788 if (err)
3789 goto done;
3790
aec1e845 3791 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3792 }
3793 done:
3794 netif_device_attach(netdev);
3795 return err;
3796}
3797
21041400 3798static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3799 pci_channel_state_t state)
451724c8
SC		 3800{
3801 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3802 struct net_device *netdev = adapter->netdev;
3803
3804 if (state == pci_channel_io_perm_failure)
3805 return PCI_ERS_RESULT_DISCONNECT;
3806
3807 if (state == pci_channel_io_normal)
3808 return PCI_ERS_RESULT_RECOVERED;
3809
3810 set_bit(__QLCNIC_AER, &adapter->state);
3811 netif_device_detach(netdev);
3812
3813 cancel_delayed_work_sync(&adapter->fw_work);
3814
3815 if (netif_running(netdev))
3816 qlcnic_down(adapter, netdev);
3817
3818 qlcnic_detach(adapter);
3819 qlcnic_teardown_intr(adapter);
3820
3821 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3822
3823 pci_save_state(pdev);
3824 pci_disable_device(pdev);
3825
3826 return PCI_ERS_RESULT_NEED_RESET;
3827}
3828
21041400 3829static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3830{
3831 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3832 PCI_ERS_RESULT_RECOVERED;
3833}
3834
21041400 3835static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3836{
a15ebd37 3837 u32 state;
451724c8
SC		 3838 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3839
3840 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3841 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3842 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3843 &adapter->state))
451724c8 3844 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3845 FW_POLL_DELAY);
451724c8
SC		 3846}
3847
4460f2e8
PP		 3848static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3849 pci_channel_state_t state)
3850{
3851 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3852 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3853
3854 if (hw_ops->io_error_detected) {
3855 return hw_ops->io_error_detected(pdev, state);
3856 } else {
3857 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3858 return PCI_ERS_RESULT_DISCONNECT;
3859 }
3860}
3861
3862static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3863{
3864 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3865 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3866
3867 if (hw_ops->io_slot_reset) {
3868 return hw_ops->io_slot_reset(pdev);
3869 } else {
3870 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3871 return PCI_ERS_RESULT_DISCONNECT;
3872 }
3873}
3874
3875static void qlcnic_io_resume(struct pci_dev *pdev)
3876{
3877 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3878 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3879
3880 if (hw_ops->io_resume)
3881 hw_ops->io_resume(pdev);
3882 else
3883 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3884}
3885
3886
87eb743b
AC		 3887static int
3888qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3889{
3890 int err;
3891
3892 err = qlcnic_can_start_firmware(adapter);
3893 if (err)
3894 return err;
3895
78f84e1a
AKS		 3896 err = qlcnic_check_npar_opertional(adapter);
3897 if (err)
3898 return err;
3c4b23b1 3899
174240a8
RB		 3900 err = qlcnic_initialize_nic(adapter);
3901 if (err)
3902 return err;
3903
87eb743b
AC		 3904 qlcnic_check_options(adapter);
3905
7373373d
RB		 3906 err = qlcnic_set_eswitch_port_config(adapter);
3907 if (err)
3908 return err;
3909
87eb743b
AC		 3910 adapter->need_fw_reset = 0;
3911
3912 return err;
3913}
3914
34e8c406
HM		 3915int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3916 int queue_type)
aa4a1f7d
HM		 3917{
3918 struct net_device *netdev = adapter->netdev;
34e8c406
HM		 3919 u8 max_hw_rings = 0;
3920 char buf[8];
3921 int cur_rings;
3922
3923 if (queue_type == QLCNIC_RX_QUEUE) {
3924 max_hw_rings = adapter->max_sds_rings;
3925 cur_rings = adapter->drv_sds_rings;
3926 strcpy(buf, "SDS");
3927 } else if (queue_type == QLCNIC_TX_QUEUE) {
18afc102 3928 max_hw_rings = adapter->max_tx_rings;
34e8c406
HM		 3929 cur_rings = adapter->drv_tx_rings;
3930 strcpy(buf, "Tx");
aa4a1f7d
HM		 3931 }
3932
b7520d2b 3933 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
34e8c406 3934 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
aa4a1f7d
HM		 3935 return -EINVAL;
3936 }
3937
34e8c406
HM		 3938 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3939 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
aa4a1f7d
HM		 3940 return -EINVAL;
3941 }
3942
34e8c406
HM		 3943 if (!is_power_of_2(ring_cnt)) {
3944 netdev_err(netdev, "%s rings value should be a power of 2\n",
3945 buf);
aa4a1f7d
HM		 3946 return -EINVAL;
3947 }
3948
34e8c406
HM		 3949 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3950 !qlcnic_check_multi_tx(adapter)) {
3951 netdev_err(netdev, "No Multi Tx queue support\n");
3952 return -EINVAL;
f94bc1e7
SC		 3953 }
3954
34e8c406
HM		 3955 if (ring_cnt > num_online_cpus()) {
3956 netdev_err(netdev,
3957 "%s value[%u] should not be higher than, number of online CPUs\n",
3958 buf, num_online_cpus());
f94bc1e7
SC		 3959 return -EINVAL;
3960 }
34e8c406 3961
f94bc1e7 3962 return 0;
f94bc1e7
SC		 3963}
3964
cb9327d5 3965int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
f94bc1e7
SC		 3966{
3967 struct net_device *netdev = adapter->netdev;
34e8c406 3968 int err;
f94bc1e7 3969
319ecf12
SC		 3970 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3971 return -EBUSY;
3972
f94bc1e7
SC		 3973 netif_device_detach(netdev);
3974 if (netif_running(netdev))
3975 __qlcnic_down(adapter, netdev);
13159183 3976
7dd90cf1
SC		 3977 qlcnic_detach(adapter);
3978
7ed3ce48 3979 if (qlcnic_83xx_check(adapter)) {
13159183 3980 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3981 qlcnic_83xx_enable_mbx_poll(adapter);
3982 }
13159183 3983
f94bc1e7 3984 qlcnic_teardown_intr(adapter);
aa4a1f7d 3985
34e8c406 3986 err = qlcnic_setup_intr(adapter);
9a97e705
M		 3987 if (err) {
3988 kfree(adapter->msix_entries);
3989 netdev_err(netdev, "failed to setup interrupt\n");
3990 return err;
3991 }
f94bc1e7 3992
cb9327d5
HM		 3993 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
3994
13159183 3995 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 3996 qlcnic_83xx_initialize_nic(adapter, 1);
13159183 3997 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3998 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3999 if (err) {
4000 dev_err(&adapter->pdev->dev,
4001 "failed to setup mbx interrupt\n");
4002 goto done;
4003 }
f94bc1e7
SC		 4004 }
4005
4006 if (netif_running(netdev)) {
4007 err = qlcnic_attach(adapter);
4008 if (err)
4009 goto done;
4010 err = __qlcnic_up(adapter, netdev);
4011 if (err)
4012 goto done;
4013 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4014 }
aa4a1f7d 4015done:
f94bc1e7
SC		 4016 netif_device_attach(netdev);
4017 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4018 return err;
4019}
4020
af19b491
AKS		 4021#ifdef CONFIG_INET
4022
4023#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4024
af19b491 4025static void
aec1e845
AKS		 4026qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4027 struct net_device *dev, unsigned long event)
af19b491
AKS		 4028{
4029 struct in_device *indev;
af19b491 4030
af19b491
AKS		 4031 indev = in_dev_get(dev);
4032 if (!indev)
4033 return;
4034
4035 for_ifa(indev) {
4036 switch (event) {
4037 case NETDEV_UP:
4038 qlcnic_config_ipaddr(adapter,
4039 ifa->ifa_address, QLCNIC_IP_UP);
4040 break;
4041 case NETDEV_DOWN:
4042 qlcnic_config_ipaddr(adapter,
4043 ifa->ifa_address, QLCNIC_IP_DOWN);
4044 break;
4045 default:
4046 break;
4047 }
4048 } endfor_ifa(indev);
4049
4050 in_dev_put(indev);
af19b491
AKS		 4051}
4052
319ecf12 4053void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 4054{
4055 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4056 struct net_device *dev;
4057 u16 vid;
4058
4059 qlcnic_config_indev_addr(adapter, netdev, event);
4060
43c00a75 4061 rcu_read_lock();
b9796a14 4062 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 4063 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 4064 if (!dev)
4065 continue;
aec1e845
AKS		 4066 qlcnic_config_indev_addr(adapter, dev, event);
4067 }
43c00a75 4068 rcu_read_unlock();
aec1e845
AKS		 4069}
4070
af19b491
AKS		 4071static int qlcnic_netdev_event(struct notifier_block *this,
4072 unsigned long event, void *ptr)
4073{
4074 struct qlcnic_adapter *adapter;
351638e7 4075 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 4076
4077recheck:
4078 if (dev == NULL)
4079 goto done;
4080
4081 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4082 dev = vlan_dev_real_dev(dev);
4083 goto recheck;
4084 }
4085
4086 if (!is_qlcnic_netdev(dev))
4087 goto done;
4088
4089 adapter = netdev_priv(dev);
4090
4091 if (!adapter)
4092 goto done;
4093
8a15ad1f 4094 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4095 goto done;
4096
aec1e845 4097 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4098done:
4099 return NOTIFY_DONE;
4100}
4101
4102static int
4103qlcnic_inetaddr_event(struct notifier_block *this,
4104 unsigned long event, void *ptr)
4105{
4106 struct qlcnic_adapter *adapter;
4107 struct net_device *dev;
4108
4109 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4110
4111 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4112
4113recheck:
aec1e845 4114 if (dev == NULL)
af19b491
AKS		 4115 goto done;
4116
4117 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4118 dev = vlan_dev_real_dev(dev);
4119 goto recheck;
4120 }
4121
4122 if (!is_qlcnic_netdev(dev))
4123 goto done;
4124
4125 adapter = netdev_priv(dev);
4126
251a84c9 4127 if (!adapter)
af19b491
AKS		 4128 goto done;
4129
8a15ad1f 4130 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4131 goto done;
4132
4133 switch (event) {
4134 case NETDEV_UP:
4135 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 4136
af19b491
AKS		 4137 break;
4138 case NETDEV_DOWN:
4139 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 4140
af19b491
AKS		 4141 break;
4142 default:
4143 break;
4144 }
4145
4146done:
4147 return NOTIFY_DONE;
4148}
4149
4150static struct notifier_block qlcnic_netdev_cb = {
4151 .notifier_call = qlcnic_netdev_event,
4152};
4153
4154static struct notifier_block qlcnic_inetaddr_cb = {
4155 .notifier_call = qlcnic_inetaddr_event,
4156};
4157#else
f8ca2b6f 4158void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4159{ }
4160#endif
fec9dd15 4161static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 4162 .error_detected = qlcnic_io_error_detected,
4163 .slot_reset = qlcnic_io_slot_reset,
4164 .resume = qlcnic_io_resume,
4165};
af19b491
AKS		 4166
4167static struct pci_driver qlcnic_driver = {
4168 .name = qlcnic_driver_name,
4169 .id_table = qlcnic_pci_tbl,
4170 .probe = qlcnic_probe,
6bb58bb0 4171 .remove = qlcnic_remove,
af19b491
AKS		 4172#ifdef CONFIG_PM
4173 .suspend = qlcnic_suspend,
4174 .resume = qlcnic_resume,
4175#endif
451724c8 4176 .shutdown = qlcnic_shutdown,
02feda17
RB		 4177 .err_handler = &qlcnic_err_handler,
4178#ifdef CONFIG_QLCNIC_SRIOV
4179 .sriov_configure = qlcnic_pci_sriov_configure,
4180#endif
451724c8 4181
af19b491
AKS		 4182};
4183
4184static int __init qlcnic_init_module(void)
4185{
0cf3a14c 4186 int ret;
af19b491
AKS		 4187
4188 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4189
4190#ifdef CONFIG_INET
4191 register_netdevice_notifier(&qlcnic_netdev_cb);
4192 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4193#endif
4194
0cf3a14c
AKS		 4195 ret = pci_register_driver(&qlcnic_driver);
4196 if (ret) {
4197#ifdef CONFIG_INET
4198 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4199 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4200#endif
4201 }
af19b491 4202
0cf3a14c 4203 return ret;
af19b491
AKS		 4204}
4205
4206module_init(qlcnic_init_module);
4207
4208static void __exit qlcnic_exit_module(void)
4209{
af19b491
AKS		 4210 pci_unregister_driver(&qlcnic_driver);
4211
4212#ifdef CONFIG_INET
4213 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4214 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4215#endif
4216}
4217
4218module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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