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jme: Fix DMA unmap warning
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
7f1f6056 24#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75 25#include <net/vxlan.h>
7f1f6056 26#endif
af19b491 27
7f9a0c34 28MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 29MODULE_LICENSE("GPL");
30MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
31MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
32
33char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 34static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 36
b5e5492c 37static int qlcnic_mac_learn;
b11a25aa 38module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 39MODULE_PARM_DESC(qlcnic_mac_learn,
40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 41
629263ac 42int qlcnic_use_msi = 1;
9fd13331 43MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 44module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 45
629263ac 46int qlcnic_use_msi_x = 1;
9fd13331 47MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 48module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 49
629263ac 50int qlcnic_auto_fw_reset = 1;
9fd13331 51MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 52module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 53
629263ac 54int qlcnic_load_fw_file;
9fd13331 55MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 56module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 57
1dd06ae8 58static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 59static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 60static int qlcnic_open(struct net_device *netdev);
61static int qlcnic_close(struct net_device *netdev);
af19b491 62static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 63static void qlcnic_attach_work(struct work_struct *work);
64static void qlcnic_fwinit_work(struct work_struct *work);
af19b491
AKS		 65#ifdef CONFIG_NET_POLL_CONTROLLER
66static void qlcnic_poll_controller(struct net_device *netdev);
67#endif
68
6df900e9 69static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
af19b491
AKS		 70static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
71
7eb9855d 72static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 73static irqreturn_t qlcnic_intr(int irq, void *data);
74static irqreturn_t qlcnic_msi_intr(int irq, void *data);
75static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 76static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 77
78static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 79static int qlcnic_start_firmware(struct qlcnic_adapter *);
80
b5e5492c 81static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 82static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 83static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 84static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
85static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 86
21041400 87static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
88static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
89static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
90static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
91static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
92static void qlcnic_82xx_io_resume(struct pci_dev *);
93static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
94static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
95 pci_channel_state_t);
13159183
SC		 96static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
97{
98 struct qlcnic_hardware_context *ahw = adapter->ahw;
99
100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
102 else
103 return 1;
104}
105
af19b491
AKS		 106/* PCI Device ID Table */
107#define ENTRY(device) \
108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
110
6a902881 111static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
15ca140f
MC		 115 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
af19b491
AKS		 117 {0,}
118};
119
120MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
121
122
5ad6ff9d 123inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 124{
125 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 126}
127
128static const u32 msi_tgt_status[8] = {
129 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
130 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
131 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
132 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
133};
134
7e2cf4fe
SC		 135static const u32 qlcnic_reg_tbl[] = {
136 0x1B20A8, /* PEG_HALT_STAT1 */
137 0x1B20AC, /* PEG_HALT_STAT2 */
138 0x1B20B0, /* FW_HEARTBEAT */
139 0x1B2100, /* LOCK ID */
140 0x1B2128, /* FW_CAPABILITIES */
141 0x1B2138, /* drv active */
142 0x1B2140, /* dev state */
143 0x1B2144, /* drv state */
144 0x1B2148, /* drv scratch */
145 0x1B214C, /* dev partition info */
146 0x1B2174, /* drv idc ver */
147 0x1B2150, /* fw version major */
148 0x1B2154, /* fw version minor */
149 0x1B2158, /* fw version sub */
150 0x1B219C, /* npar state */
151 0x1B21FC, /* FW_IMG_VALID */
152 0x1B2250, /* CMD_PEG_STATE */
153 0x1B233C, /* RCV_PEG_STATE */
154 0x1B23B4, /* ASIC TEMP */
155 0x1B216C, /* FW api */
156 0x1B2170, /* drv op mode */
157 0x13C010, /* flash lock */
158 0x13C014, /* flash unlock */
159};
160
22999798 161static const struct qlcnic_board_info qlcnic_boards[] = {
15ca140f
MC		 162 { PCI_VENDOR_ID_QLOGIC,
163 PCI_DEVICE_ID_QLOGIC_QLE844X,
164 0x0,
165 0x0,
166 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
e386cd4a
HM		 167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
170 0x24e,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
176 0x243,
177 "8300 Series Single Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
182 0x24a,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
188 0x246,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
194 0x252,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
200 0x26e,
201 "8300 Series Dual Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
206 0x260,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
212 0x266,
213 "8300 Series Single Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 PCI_VENDOR_ID_QLOGIC,
218 0x269,
219 "8300 Series Dual Port 10GbE Converged Network Adapter "
220 "(TCP/IP Networking)" },
221 { PCI_VENDOR_ID_QLOGIC,
222 PCI_DEVICE_ID_QLOGIC_QLE834X,
223 PCI_VENDOR_ID_QLOGIC,
224 0x271,
225 "8300 Series Dual Port 10GbE Converged Network Adapter "
226 "(TCP/IP Networking)" },
227 { PCI_VENDOR_ID_QLOGIC,
228 PCI_DEVICE_ID_QLOGIC_QLE834X,
229 0x0, 0x0, "8300 Series 1/10GbE Controller" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
233 0x203,
234 "8200 Series Single Port 10GbE Converged Network Adapter"
235 "(TCP/IP Networking)" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
239 0x207,
240 "8200 Series Dual Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
245 0x20b,
246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
247 { PCI_VENDOR_ID_QLOGIC,
248 PCI_DEVICE_ID_QLOGIC_QLE824X,
249 PCI_VENDOR_ID_QLOGIC,
250 0x20c,
251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
252 { PCI_VENDOR_ID_QLOGIC,
253 PCI_DEVICE_ID_QLOGIC_QLE824X,
254 PCI_VENDOR_ID_QLOGIC,
255 0x20f,
256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
259 0x103c, 0x3733,
260 "NC523SFP 10Gb 2-port Server Adapter" },
261 { PCI_VENDOR_ID_QLOGIC,
262 PCI_DEVICE_ID_QLOGIC_QLE824X,
263 0x103c, 0x3346,
264 "CN1000Q Dual Port Converged Network Adapter" },
265 { PCI_VENDOR_ID_QLOGIC,
266 PCI_DEVICE_ID_QLOGIC_QLE824X,
267 PCI_VENDOR_ID_QLOGIC,
268 0x210,
269 "QME8242-k 10GbE Dual Port Mezzanine Card" },
270 { PCI_VENDOR_ID_QLOGIC,
271 PCI_DEVICE_ID_QLOGIC_QLE824X,
272 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 273};
274
275#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
276
af19b491
AKS		 277static const
278struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
279
c70001a9 280int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 281{
282 int size = sizeof(struct qlcnic_host_sds_ring) * count;
283
284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
285
807540ba 286 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 287}
288
c70001a9 289void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 290{
291 if (recv_ctx->sds_rings != NULL)
292 kfree(recv_ctx->sds_rings);
293
294 recv_ctx->sds_rings = NULL;
295}
296
f8468331 297int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 298{
af19b491
AKS		 299 struct net_device *netdev = adapter->netdev;
300 struct pci_dev *pdev = adapter->pdev;
07a251c8
SS		 301 u8 mac_addr[ETH_ALEN];
302 int ret;
af19b491 303
07a251c8
SS		 304 ret = qlcnic_get_mac_address(adapter, mac_addr,
305 adapter->ahw->pci_func);
306 if (ret)
307 return ret;
af19b491 308
2e9d722d 309 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 310 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
311
312 /* set station address */
313
aaeb6cdf 314 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 315 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
316 netdev->dev_addr);
317
318 return 0;
319}
320
cffe52f3
MC		 321static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
322{
154d0c81 323 struct qlcnic_mac_vlan_list *cur;
cffe52f3
MC		 324 struct list_head *head;
325
326 list_for_each(head, &adapter->mac_list) {
154d0c81 327 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
6878f79a 328 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
cffe52f3
MC		 329 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
330 0, QLCNIC_MAC_DEL);
331 list_del(&cur->list);
332 kfree(cur);
333 return;
334 }
335 }
336}
337
af19b491
AKS		 338static int qlcnic_set_mac(struct net_device *netdev, void *p)
339{
340 struct qlcnic_adapter *adapter = netdev_priv(netdev);
341 struct sockaddr *addr = p;
342
7cb03b23
RB		 343 if (qlcnic_sriov_vf_check(adapter))
344 return -EINVAL;
345
7373373d
RB		 346 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
347 return -EOPNOTSUPP;
348
af19b491 349 if (!is_valid_ether_addr(addr->sa_data))
13159183 350 return -EINVAL;
af19b491 351
6878f79a 352 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
cffe52f3
MC		 353 return 0;
354
8a15ad1f 355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 356 netif_device_detach(netdev);
357 qlcnic_napi_disable(adapter);
358 }
359
cffe52f3 360 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
363 qlcnic_set_multi(adapter->netdev);
364
8a15ad1f 365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 366 netif_device_attach(netdev);
367 qlcnic_napi_enable(adapter);
368 }
369 return 0;
370}
371
1690be63
VY		 372static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
373 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 374{
375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
376 int err = -EOPNOTSUPP;
377
3e5c112f
VY		 378 if (!adapter->fdb_mac_learn)
379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 380
381 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
52e493d0
JK		 382 if (is_unicast_ether_addr(addr)) {
383 err = dev_uc_del(netdev, addr);
384 if (!err)
385 err = qlcnic_nic_del_mac(adapter, addr);
386 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 387 err = dev_mc_del(netdev, addr);
52e493d0 388 } else {
fe1adc6b 389 err = -EINVAL;
52e493d0 390 }
fe1adc6b
JK		 391 }
392 return err;
393}
394
395static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
396 struct net_device *netdev,
397 const unsigned char *addr, u16 flags)
398{
399 struct qlcnic_adapter *adapter = netdev_priv(netdev);
400 int err = 0;
401
3e5c112f
VY		 402 if (!adapter->fdb_mac_learn)
403 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 404
405 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
406 pr_info("%s: FDB e-switch is not enabled\n", __func__);
407 return -EOPNOTSUPP;
408 }
409
410 if (ether_addr_equal(addr, adapter->mac_addr))
411 return err;
412
52e493d0
JK		 413 if (is_unicast_ether_addr(addr)) {
414 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
415 err = dev_uc_add_excl(netdev, addr);
416 else
417 err = -ENOMEM;
418 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 419 err = dev_mc_add_excl(netdev, addr);
52e493d0 420 } else {
fe1adc6b 421 err = -EINVAL;
52e493d0 422 }
fe1adc6b
JK		 423
424 return err;
425}
426
427static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
428 struct net_device *netdev, int idx)
429{
430 struct qlcnic_adapter *adapter = netdev_priv(netdev);
431
3e5c112f
VY		 432 if (!adapter->fdb_mac_learn)
433 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 434
435 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
436 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
437
438 return idx;
439}
440
7e2cf4fe
SC		 441static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
442{
443 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
444 usleep_range(10000, 11000);
445
66451615
SC		 446 if (!adapter->fw_work.work.func)
447 return;
448
7e2cf4fe
SC		 449 cancel_delayed_work_sync(&adapter->fw_work);
450}
451
07a251c8
SS		 452static int qlcnic_get_phys_port_id(struct net_device *netdev,
453 struct netdev_phys_port_id *ppid)
454{
455 struct qlcnic_adapter *adapter = netdev_priv(netdev);
456 struct qlcnic_hardware_context *ahw = adapter->ahw;
457
458 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
459 return -EOPNOTSUPP;
460
461 ppid->id_len = sizeof(ahw->phys_port_id);
462 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
463
464 return 0;
465}
466
7f1f6056 467#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 468static void qlcnic_add_vxlan_port(struct net_device *netdev,
469 sa_family_t sa_family, __be16 port)
470{
471 struct qlcnic_adapter *adapter = netdev_priv(netdev);
472 struct qlcnic_hardware_context *ahw = adapter->ahw;
473
474 /* Adapter supports only one VXLAN port. Use very first port
475 * for enabling offload
476 */
477 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
478 return;
479
480 ahw->vxlan_port = ntohs(port);
481 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
482}
483
484static void qlcnic_del_vxlan_port(struct net_device *netdev,
485 sa_family_t sa_family, __be16 port)
486{
487 struct qlcnic_adapter *adapter = netdev_priv(netdev);
488 struct qlcnic_hardware_context *ahw = adapter->ahw;
489
490 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
491 (ahw->vxlan_port != ntohs(port)))
492 return;
493
494 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
495}
7f1f6056 496#endif
2b3d7b75 497
af19b491
AKS		 498static const struct net_device_ops qlcnic_netdev_ops = {
499 .ndo_open = qlcnic_open,
500 .ndo_stop = qlcnic_close,
501 .ndo_start_xmit = qlcnic_xmit_frame,
502 .ndo_get_stats = qlcnic_get_stats,
503 .ndo_validate_addr = eth_validate_addr,
afc4b13d 504 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 505 .ndo_set_mac_address = qlcnic_set_mac,
506 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 507 .ndo_fix_features = qlcnic_fix_features,
508 .ndo_set_features = qlcnic_set_features,
af19b491 509 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 510 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
511 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 512 .ndo_fdb_add = qlcnic_fdb_add,
513 .ndo_fdb_del = qlcnic_fdb_del,
514 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 515 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
7f1f6056 516#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 517 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
518 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
7f1f6056 519#endif
af19b491
AKS		 520#ifdef CONFIG_NET_POLL_CONTROLLER
521 .ndo_poll_controller = qlcnic_poll_controller,
522#endif
4000e7a7
RB		 523#ifdef CONFIG_QLCNIC_SRIOV
524 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
525 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
526 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 527 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 528 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 529#endif
af19b491
AKS		 530};
531
b43e5ee7
SC		 532static const struct net_device_ops qlcnic_netdev_failed_ops = {
533 .ndo_open = qlcnic_open,
534};
535
2e9d722d 536static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 537 .config_bridged_mode = qlcnic_config_bridged_mode,
538 .config_led = qlcnic_82xx_config_led,
539 .start_firmware = qlcnic_82xx_start_firmware,
540 .request_reset = qlcnic_82xx_dev_request_reset,
541 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
542 .napi_add = qlcnic_82xx_napi_add,
4be41e92 543 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 544 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 545 .shutdown = qlcnic_82xx_shutdown,
546 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 547 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
548};
549
550struct qlcnic_nic_template qlcnic_vf_ops = {
551 .config_bridged_mode = qlcnicvf_config_bridged_mode,
552 .config_led = qlcnicvf_config_led,
553 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 554};
555
7e2cf4fe
SC		 556static struct qlcnic_hardware_ops qlcnic_hw_ops = {
557 .read_crb = qlcnic_82xx_read_crb,
558 .write_crb = qlcnic_82xx_write_crb,
559 .read_reg = qlcnic_82xx_hw_read_wx_2M,
560 .write_reg = qlcnic_82xx_hw_write_wx_2M,
561 .get_mac_address = qlcnic_82xx_get_mac_address,
562 .setup_intr = qlcnic_82xx_setup_intr,
563 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
564 .mbx_cmd = qlcnic_82xx_issue_cmd,
565 .get_func_no = qlcnic_82xx_get_func_no,
566 .api_lock = qlcnic_82xx_api_lock,
567 .api_unlock = qlcnic_82xx_api_unlock,
568 .add_sysfs = qlcnic_82xx_add_sysfs,
569 .remove_sysfs = qlcnic_82xx_remove_sysfs,
570 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
571 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
572 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 573 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
574 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 575 .setup_link_event = qlcnic_82xx_linkevent_request,
576 .get_nic_info = qlcnic_82xx_get_nic_info,
577 .get_pci_info = qlcnic_82xx_get_pci_info,
578 .set_nic_info = qlcnic_82xx_set_nic_info,
579 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
580 .napi_enable = qlcnic_82xx_napi_enable,
581 .napi_disable = qlcnic_82xx_napi_disable,
582 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
583 .config_rss = qlcnic_82xx_config_rss,
584 .config_hw_lro = qlcnic_82xx_config_hw_lro,
585 .config_loopback = qlcnic_82xx_set_lb_mode,
586 .clear_loopback = qlcnic_82xx_clear_lb_mode,
587 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
588 .change_l2_filter = qlcnic_82xx_change_filter,
589 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 590 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 591 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 592 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 593 .io_error_detected = qlcnic_82xx_io_error_detected,
594 .io_slot_reset = qlcnic_82xx_io_slot_reset,
595 .io_resume = qlcnic_82xx_io_resume,
a0431589 596 .get_beacon_state = qlcnic_82xx_get_beacon_state,
2cc5752e
M		 597 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
598 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
599 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
600 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
225837a0
SS		 601 .get_saved_state = qlcnic_82xx_get_saved_state,
602 .set_saved_state = qlcnic_82xx_set_saved_state,
603 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
604 .get_cap_size = qlcnic_82xx_get_cap_size,
605 .set_sys_info = qlcnic_82xx_set_sys_info,
606 .store_cap_mask = qlcnic_82xx_store_cap_mask,
2e9d722d
AC		 607};
608
34e8c406 609static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
012ec812
HM		 610{
611 struct qlcnic_hardware_context *ahw = adapter->ahw;
012ec812 612
34e8c406 613 if (qlcnic_82xx_check(adapter) &&
012ec812 614 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
34e8c406
HM		 615 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
616 return 0;
012ec812 617 } else {
34e8c406 618 return 1;
012ec812
HM		 619 }
620}
621
34e8c406
HM		 622static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
623 int queue_type)
624{
625 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
626
627 if (queue_type == QLCNIC_RX_QUEUE)
628 max_rings = adapter->max_sds_rings;
629 else if (queue_type == QLCNIC_TX_QUEUE)
630 max_rings = adapter->max_tx_rings;
631
632 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
633 max_rings));
634
635 if (ring_cnt > num_rings)
636 return num_rings;
637 else
638 return ring_cnt;
639}
640
641void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
642{
643 /* 83xx adapter does not have max_tx_rings intialized in probe */
644 if (adapter->max_tx_rings)
645 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
646 QLCNIC_TX_QUEUE);
647 else
648 adapter->drv_tx_rings = tx_cnt;
34e8c406
HM		 649}
650
651void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
652{
653 /* 83xx adapter does not have max_sds_rings intialized in probe */
654 if (adapter->max_sds_rings)
655 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
656 QLCNIC_RX_QUEUE);
657 else
658 adapter->drv_sds_rings = rx_cnt;
34e8c406
HM		 659}
660
cb9327d5 661int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
af19b491 662{
af19b491 663 struct pci_dev *pdev = adapter->pdev;
cb9327d5
HM		 664 int num_msix = 0, err = 0, vector;
665
666 adapter->flags &= ~QLCNIC_TSS_RSS;
667
668 if (adapter->drv_tss_rings > 0)
669 num_msix += adapter->drv_tss_rings;
670 else
671 num_msix += adapter->drv_tx_rings;
672
8564ae09 673 if (adapter->drv_rss_rings > 0)
cb9327d5
HM		 674 num_msix += adapter->drv_rss_rings;
675 else
676 num_msix += adapter->drv_sds_rings;
677
678 if (qlcnic_83xx_check(adapter))
679 num_msix += 1;
680
681 if (!adapter->msix_entries) {
682 adapter->msix_entries = kcalloc(num_msix,
683 sizeof(struct msix_entry),
684 GFP_KERNEL);
685 if (!adapter->msix_entries)
686 return -ENOMEM;
687 }
688
cb9327d5
HM		 689 for (vector = 0; vector < num_msix; vector++)
690 adapter->msix_entries[vector].entry = vector;
691
8564ae09 692restore:
cb9327d5 693 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
8564ae09
AG		 694 if (err > 0) {
695 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
696 return -ENOSPC;
da6c8063 697
cb9327d5
HM		 698 netdev_info(adapter->netdev,
699 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
700 num_msix, err);
701
702 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
703
704 /* Set rings to 0 so we can restore original TSS/RSS count */
705 adapter->drv_tss_rings = 0;
706 adapter->drv_rss_rings = 0;
707
708 if (qlcnic_83xx_check(adapter))
709 num_msix += 1;
710
711 netdev_info(adapter->netdev,
712 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
713 adapter->drv_tx_rings, adapter->drv_sds_rings,
714 num_msix);
cb9327d5 715
8564ae09
AG		 716 goto restore;
717 } else if (err < 0) {
718 return err;
da6c8063 719 }
13159183 720
8564ae09
AG		 721 adapter->ahw->num_msix = num_msix;
722 if (adapter->drv_tss_rings > 0)
723 adapter->drv_tx_rings = adapter->drv_tss_rings;
724
725 if (adapter->drv_rss_rings > 0)
726 adapter->drv_sds_rings = adapter->drv_rss_rings;
727
728 return 0;
cb9327d5
HM		 729}
730
731int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
732{
733 struct pci_dev *pdev = adapter->pdev;
74a1fa45 734 int err, vector;
cb9327d5 735
13159183
SC		 736 if (!adapter->msix_entries) {
737 adapter->msix_entries = kcalloc(num_msix,
738 sizeof(struct msix_entry),
739 GFP_KERNEL);
b2adaca9 740 if (!adapter->msix_entries)
13159183 741 return -ENOMEM;
13159183 742 }
af19b491 743
af19b491 744 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 745
79788450 746 if (adapter->ahw->msix_supported) {
cb9327d5
HM		 747enable_msix:
748 for (vector = 0; vector < num_msix; vector++)
749 adapter->msix_entries[vector].entry = vector;
750
9732ec06
AG		 751 err = pci_enable_msix_range(pdev,
752 adapter->msix_entries, 1, num_msix);
753
754 if (err == num_msix) {
af19b491 755 adapter->flags |= QLCNIC_MSIX_ENABLED;
cb9327d5 756 adapter->ahw->num_msix = num_msix;
af19b491 757 dev_info(&pdev->dev, "using msi-x interrupts\n");
74a1fa45 758 return 0;
13159183 759 } else if (err > 0) {
9732ec06
AG		 760 pci_disable_msix(pdev);
761
13159183 762 dev_info(&pdev->dev,
cb9327d5
HM		 763 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
764 num_msix, err);
765
766 if (qlcnic_82xx_check(adapter)) {
13159183 767 num_msix = rounddown_pow_of_two(err);
cb9327d5 768 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
74a1fa45 769 return -ENOSPC;
13159183 770 } else {
cb9327d5
HM		 771 num_msix = rounddown_pow_of_two(err - 1);
772 num_msix += 1;
773 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
74a1fa45 774 return -ENOSPC;
cb9327d5
HM		 775 }
776
777 if (qlcnic_82xx_check(adapter) &&
778 !qlcnic_check_multi_tx(adapter)) {
779 adapter->drv_sds_rings = num_msix;
780 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
781 } else {
782 /* Distribute vectors equally */
783 adapter->drv_tx_rings = num_msix / 2;
784 adapter->drv_sds_rings = adapter->drv_tx_rings;
13159183
SC		 785 }
786
787 if (num_msix) {
788 dev_info(&pdev->dev,
dce056cb 789 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 790 num_msix);
f94bc1e7 791 goto enable_msix;
13159183
SC		 792 }
793 } else {
dce056cb 794 dev_info(&pdev->dev,
cb9327d5
HM		 795 "Unable to allocate %d MSI-X vectors, err=%d\n",
796 num_msix, err);
797 return err;
f94bc1e7
SC		 798 }
799 }
13159183 800
74a1fa45 801 return -EIO;
f94bc1e7 802}
af19b491 803
cb9327d5
HM		 804static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
805{
806 int num_msix;
807
808 num_msix = adapter->drv_sds_rings;
809
810 if (qlcnic_check_multi_tx(adapter))
811 num_msix += adapter->drv_tx_rings;
812 else
813 num_msix += QLCNIC_SINGLE_RING;
814
815 return num_msix;
816}
817
9a97e705 818static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 819{
9a97e705 820 int err = 0;
15087c2b 821 u32 offset, mask_reg;
f94bc1e7 822 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 823 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 824 struct pci_dev *pdev = adapter->pdev;
af19b491 825
099f7aa7 826 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 827 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 828 offset = msi_tgt_status[adapter->ahw->pci_func];
829 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
830 offset);
af19b491
AKS		 831 dev_info(&pdev->dev, "using msi interrupts\n");
832 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 833 return err;
af19b491 834 }
012ec812 835
9a97e705
M		 836 if (qlcnic_use_msi || qlcnic_use_msi_x)
837 return -EOPNOTSUPP;
af19b491 838
f94bc1e7 839 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 840 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 841 offset = legacy_intrp->tgt_status_reg;
842 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
843 mask_reg = legacy_intrp->tgt_mask_reg;
844 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
845 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
846 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 847 dev_info(&pdev->dev, "using legacy interrupts\n");
848 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 849 return err;
af19b491
AKS		 850}
851
21041400 852static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
f94bc1e7 853{
9a97e705 854 int num_msix, err = 0;
f94bc1e7 855
cb9327d5
HM		 856 if (adapter->flags & QLCNIC_TSS_RSS) {
857 err = qlcnic_setup_tss_rss_intr(adapter);
858 if (err < 0)
859 return err;
860 num_msix = adapter->ahw->num_msix;
861 } else {
862 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
f94bc1e7 863
cb9327d5
HM		 864 err = qlcnic_enable_msix(adapter, num_msix);
865 if (err == -ENOMEM)
866 return err;
f94bc1e7 867
cb9327d5
HM		 868 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
869 qlcnic_disable_multi_tx(adapter);
42beb3f2 870 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
012ec812 871
cb9327d5 872 err = qlcnic_enable_msi_legacy(adapter);
fc49beae 873 if (err)
cb9327d5
HM		 874 return err;
875 }
012ec812
HM		 876 }
877
878 return 0;
879}
880
881int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
882{
883 struct qlcnic_hardware_context *ahw = adapter->ahw;
884 int err, i;
885
886 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 887 !ahw->diag_test &&
012ec812
HM		 888 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
889 ahw->intr_tbl = vzalloc(ahw->num_msix *
890 sizeof(struct qlcnic_intrpt_config));
891 if (!ahw->intr_tbl)
892 return -ENOMEM;
893
894 for (i = 0; i < ahw->num_msix; i++) {
895 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
896 ahw->intr_tbl[i].id = i;
897 ahw->intr_tbl[i].src = 0;
898 }
899
900 err = qlcnic_82xx_config_intrpt(adapter, 1);
901 if (err)
902 dev_err(&adapter->pdev->dev,
903 "Failed to configure Interrupt for %d vector\n",
904 ahw->num_msix);
9a97e705 905 return err;
012ec812 906 }
9a97e705 907
012ec812 908 return 0;
f94bc1e7 909}
13159183 910
319ecf12 911void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 912{
913 if (adapter->flags & QLCNIC_MSIX_ENABLED)
914 pci_disable_msix(adapter->pdev);
915 if (adapter->flags & QLCNIC_MSI_ENABLED)
916 pci_disable_msi(adapter->pdev);
13159183
SC		 917
918 kfree(adapter->msix_entries);
919 adapter->msix_entries = NULL;
920
921 if (adapter->ahw->intr_tbl) {
922 vfree(adapter->ahw->intr_tbl);
923 adapter->ahw->intr_tbl = NULL;
924 }
af19b491
AKS		 925}
926
f1a094a8 927static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 928{
f1a094a8
RB		 929 if (ahw->pci_base0 != NULL)
930 iounmap(ahw->pci_base0);
af19b491
AKS		 931}
932
7e2cf4fe
SC		 933static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
934{
2f514c52 935 struct qlcnic_hardware_context *ahw = adapter->ahw;
7e2cf4fe
SC		 936 struct qlcnic_pci_info *pci_info;
937 int ret;
938
939 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
2f514c52 940 switch (ahw->port_type) {
7e2cf4fe 941 case QLCNIC_GBE:
2f514c52 942 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
7e2cf4fe
SC		 943 break;
944 case QLCNIC_XGBE:
2f514c52 945 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
7e2cf4fe
SC		 946 break;
947 }
948 return 0;
949 }
950
2f514c52 951 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
7e2cf4fe
SC		 952 return 0;
953
2f514c52 954 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
7e2cf4fe
SC		 955 if (!pci_info)
956 return -ENOMEM;
957
958 ret = qlcnic_get_pci_info(adapter, pci_info);
959 kfree(pci_info);
960 return ret;
961}
d71170fb 962
35dafcb0
SC		 963static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
964{
965 bool ret = false;
966
967 if (qlcnic_84xx_check(adapter)) {
968 ret = true;
969 } else if (qlcnic_83xx_check(adapter)) {
970 if (adapter->ahw->extra_capability[0] &
971 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
972 ret = true;
973 else
974 ret = false;
975 }
976
977 return ret;
978}
979
d71170fb 980int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 981{
2f514c52 982 struct qlcnic_hardware_context *ahw = adapter->ahw;
e88db3bd 983 struct qlcnic_pci_info *pci_info;
4c776aad 984 int i, id = 0, ret = 0, j = 0;
bff57d8e 985 u16 act_pci_func;
346fe763
RB		 986 u8 pfn;
987
2f514c52 988 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
e88db3bd
DC		 989 if (!pci_info)
990 return -ENOMEM;
991
bff57d8e
SC		 992 ret = qlcnic_get_pci_info(adapter, pci_info);
993 if (ret)
994 goto err_pci_info;
995
2f514c52 996 act_pci_func = ahw->total_nic_func;
bff57d8e 997
ca315ac2 998 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 999 act_pci_func, GFP_KERNEL);
e88db3bd 1000 if (!adapter->npars) {
900853a4 1001 ret = -ENOMEM;
e88db3bd
DC		 1002 goto err_pci_info;
1003 }
346fe763 1004
ca315ac2 1005 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 1006 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1007 if (!adapter->eswitch) {
900853a4 1008 ret = -ENOMEM;
ca315ac2 1009 goto err_npars;
346fe763
RB		 1010 }
1011
2f514c52 1012 for (i = 0; i < ahw->max_vnic_func; i++) {
ca315ac2 1013 pfn = pci_info[i].id;
bff57d8e 1014
2f514c52 1015 if (pfn >= ahw->max_vnic_func) {
f848d6dd
SC		 1016 ret = QL_STATUS_INVALID_PARAM;
1017 goto err_eswitch;
1018 }
bff57d8e
SC		 1019
1020 if (!pci_info[i].active ||
1021 (pci_info[i].type != QLCNIC_TYPE_NIC))
1022 continue;
1023
35dafcb0 1024 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 1025 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1026 &id))
35dafcb0
SC		 1027 adapter->npars[j].eswitch_status = true;
1028 else
1029 continue;
1030 } else {
1031 adapter->npars[j].eswitch_status = true;
1032 }
1033
bff57d8e
SC		 1034 adapter->npars[j].pci_func = pfn;
1035 adapter->npars[j].active = (u8)pci_info[i].active;
1036 adapter->npars[j].type = (u8)pci_info[i].type;
1037 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1038 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1039 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 1040
9e630955 1041 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 1042 j++;
346fe763
RB		 1043 }
1044
4c776aad
SC		 1045 /* Update eSwitch status for adapters without per port eSwitch
1046 * configuration capability
1047 */
1048 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 1049 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1050 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 1051 }
ca315ac2 1052
e88db3bd 1053 kfree(pci_info);
ca315ac2
DC		 1054 return 0;
1055
1056err_eswitch:
346fe763
RB		 1057 kfree(adapter->eswitch);
1058 adapter->eswitch = NULL;
ca315ac2 1059err_npars:
346fe763 1060 kfree(adapter->npars);
ca315ac2 1061 adapter->npars = NULL;
e88db3bd
DC		 1062err_pci_info:
1063 kfree(pci_info);
346fe763
RB		 1064
1065 return ret;
1066}
1067
2e9d722d
AC		 1068static int
1069qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1070{
1071 u8 id;
7e8fd003 1072 int ret;
2e9d722d 1073 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 1074 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 1075
2e9d722d
AC		 1076 ret = qlcnic_api_lock(adapter);
1077 if (ret)
1078 goto err_lock;
2e9d722d 1079
7e8fd003
SS		 1080 id = ahw->pci_func;
1081 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1082 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1083 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 1084 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 1085 qlcnic_api_unlock(adapter);
1086err_lock:
1087 return ret;
1088}
1089
13159183
SC		 1090static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1091 const struct pci_device_id *ent)
2e9d722d 1092{
2e9d722d
AC		 1093 u32 op_mode, priv_level;
1094
1095 /* Determine FW API version */
13159183
SC		 1096 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1097 QLCNIC_FW_API);
2e9d722d
AC		 1098
1099 /* Find PCI function number */
13159183 1100 qlcnic_get_func_no(adapter);
2e9d722d
AC		 1101
1102 /* Determine function privilege level */
13159183 1103 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 1104 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 1105 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 1106 else
b1fc6d3c 1107 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 1108
0866d96d 1109 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 1110 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 1111 dev_info(&adapter->pdev->dev,
1112 "HAL Version: %d Non Privileged function\n",
79788450 1113 adapter->ahw->fw_hal_version);
9f26f547 1114 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 1115 } else
1116 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 1117}
1118
15087c2b 1119#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 1120#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 1121static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1122{
1123 switch (dev_id) {
1124 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1125 *bar = QLCNIC_82XX_BAR0_LENGTH;
1126 break;
13159183 1127 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 1128 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 1129 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 1130 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 1131 *bar = QLCNIC_83XX_BAR0_LENGTH;
1132 break;
15087c2b
SC		 1133 default:
1134 *bar = 0;
1135 }
1136}
1137
1138static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1139 struct qlcnic_hardware_context *ahw)
af19b491 1140{
15087c2b 1141 u32 offset;
af19b491 1142 void __iomem *mem_ptr0 = NULL;
15087c2b 1143 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 1144
af19b491 1145 /* remap phys address */
af19b491
AKS		 1146 mem_len = pci_resource_len(pdev, 0);
1147
15087c2b
SC		 1148 qlcnic_get_bar_length(pdev->device, &bar0_len);
1149 if (mem_len >= bar0_len) {
af19b491
AKS		 1150
1151 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1152 if (mem_ptr0 == NULL) {
1153 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1154 return -EIO;
1155 }
1156 pci_len0 = mem_len;
1157 } else {
1158 return -EIO;
1159 }
1160
f8468331 1161 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1162
15087c2b
SC		 1163 ahw->pci_base0 = mem_ptr0;
1164 ahw->pci_len0 = pci_len0;
1165 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1166 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1167
1168 return 0;
1169}
1170
60dcbcb0
MC		 1171static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1172 int index)
2343f06a
MC		 1173{
1174 struct pci_dev *pdev = adapter->pdev;
1175 unsigned short subsystem_vendor;
1176 bool ret = true;
1177
1178 subsystem_vendor = pdev->subsystem_vendor;
1179
1180 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1181 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1182 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1183 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1184 ret = true;
1185 else
1186 ret = false;
1187 }
1188
1189 return ret;
1190}
1191
22999798 1192static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1193{
1194 struct pci_dev *pdev = adapter->pdev;
1195 int i, found = 0;
1196
1197 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1198 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1199 qlcnic_boards[i].device == pdev->device &&
1200 qlcnic_validate_subsystem_id(adapter, i)) {
1201 found = 1;
1202 break;
af19b491 1203 }
af19b491
AKS		 1204 }
1205
1206 if (!found)
7f9a0c34 1207 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1208 else
1209 sprintf(name, "%pM: %s" , adapter->mac_addr,
1210 qlcnic_boards[i].short_name);
af19b491
AKS		 1211}
1212
1213static void
1214qlcnic_check_options(struct qlcnic_adapter *adapter)
1215{
a15ebd37 1216 int err;
031a4a26 1217 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1218 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1219 struct qlcnic_hardware_context *ahw = adapter->ahw;
1220 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1221
1222 prev_fw_version = adapter->fw_version;
af19b491 1223
a15ebd37
HM		 1224 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1225 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1226 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1227
1228 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1229
a15ebd37
HM		 1230 err = qlcnic_get_board_info(adapter);
1231 if (err) {
1232 dev_err(&pdev->dev, "Error getting board config info.\n");
1233 return;
1234 }
1235 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1236 if (fw_dump->tmpl_hdr == NULL ||
1237 adapter->fw_version > prev_fw_version) {
1238 if (fw_dump->tmpl_hdr)
1239 vfree(fw_dump->tmpl_hdr);
1240 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1241 dev_info(&pdev->dev,
1242 "Supports FW dump capability\n");
1243 }
1244 }
1245
13159183
SC		 1246 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1247 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1248
b1fc6d3c 1249 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1250 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1251 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1252 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1253 } else {
1254 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1255 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1256 }
1257
af19b491 1258 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1259 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1260
b1fc6d3c 1261 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1262 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1263 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1264 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1265 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1266 }
1267
099f7aa7 1268 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1269
1270 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1271
251b036a 1272 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1273}
1274
174240a8
RB		 1275static int
1276qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1277{
174240a8 1278 struct qlcnic_info nic_info;
4bd8e738 1279 int err = 0;
174240a8 1280
bff57d8e 1281 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1282 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1283 if (err)
1284 return err;
1285
79788450
SC		 1286 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1287 adapter->ahw->switch_mode = nic_info.switch_mode;
1288 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1289 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1290 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1291
1292 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1293 u32 temp;
4bd8e738
HM		 1294 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1295 if (err == -EIO)
1296 return err;
db131786 1297 adapter->ahw->extra_capability[0] = temp;
d6994ca7
SS		 1298 } else {
1299 adapter->ahw->extra_capability[0] = 0;
776e7bde 1300 }
d6994ca7 1301
79788450
SC		 1302 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1303 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1304
34e8c406 1305 if (adapter->ahw->capabilities & BIT_6) {
174240a8 1306 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
34e8c406
HM		 1307 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1308 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1309 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1310
1311 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1312 } else {
1313 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1314 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
f9566265 1315 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
174240a8 1316 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
34e8c406 1317 }
174240a8
RB		 1318
1319 return err;
1320}
1321
ec079a07
SC		 1322void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1323 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1324{
1325 if (esw_cfg->discard_tagged)
1326 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1327 else
1328 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1329
91b7282b
RB		 1330 if (esw_cfg->vlan_id) {
1331 adapter->rx_pvid = esw_cfg->vlan_id;
1332 adapter->tx_pvid = esw_cfg->vlan_id;
1333 } else {
1334 adapter->rx_pvid = 0;
1335 adapter->tx_pvid = 0;
1336 }
8cf61f89
AKS		 1337}
1338
8e586137 1339static int
80d5c368 1340qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1341{
1342 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1343 int err;
1344
1345 if (qlcnic_sriov_vf_check(adapter)) {
1346 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1347 if (err) {
1348 netdev_err(netdev,
1349 "Cannot add VLAN filter for VLAN id %d, err=%d",
1350 vid, err);
1351 return err;
1352 }
1353 }
1354
b9796a14 1355 set_bit(vid, adapter->vlans);
8e586137 1356 return 0;
b9796a14
AC		 1357}
1358
8e586137 1359static int
80d5c368 1360qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1361{
1362 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1363 int err;
1364
1365 if (qlcnic_sriov_vf_check(adapter)) {
1366 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1367 if (err) {
1368 netdev_err(netdev,
1369 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1370 vid, err);
1371 return err;
1372 }
1373 }
b9796a14
AC		 1374
1375 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1376 clear_bit(vid, adapter->vlans);
8e586137 1377 return 0;
b9796a14
AC		 1378}
1379
ec079a07
SC		 1380void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1381 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1382{
ee07c1a7
RB		 1383 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1384 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1385
1386 if (esw_cfg->mac_anti_spoof)
1387 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1388
7373373d
RB		 1389 if (!esw_cfg->mac_override)
1390 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1391
ee07c1a7
RB		 1392 if (!esw_cfg->promisc_mode)
1393 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1394}
1395
d71170fb 1396int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1397{
1398 struct qlcnic_esw_func_cfg esw_cfg;
1399
1400 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1401 return 0;
1402
b1fc6d3c 1403 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1404 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1405 return -EIO;
8cf61f89 1406 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1407 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1408 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1409
1410 return 0;
1411}
1412
147a9088
SS		 1413void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1414 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1415{
1416 struct net_device *netdev = adapter->netdev;
13159183
SC		 1417
1418 if (qlcnic_83xx_check(adapter))
1419 return;
0325d69b 1420
147a9088
SS		 1421 adapter->offload_flags = esw_cfg->offload_flags;
1422 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1423 netdev_update_features(netdev);
1424 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1425}
1426
0866d96d
AC		 1427static int
1428qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1429{
0866d96d
AC		 1430 u32 op_mode, priv_level;
1431 int err = 0;
1432
174240a8
RB		 1433 err = qlcnic_initialize_nic(adapter);
1434 if (err)
1435 return err;
1436
0866d96d
AC		 1437 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1438 return 0;
1439
13159183 1440 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1441 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1442
1443 if (op_mode == QLC_DEV_DRV_DEFAULT)
1444 priv_level = QLCNIC_MGMT_FUNC;
1445 else
b1fc6d3c 1446 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1447
174240a8 1448 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1449 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1450 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1451 err = qlcnic_init_pci_info(adapter);
1452 if (err)
1453 return err;
1454 /* Set privilege level for other functions */
1455 qlcnic_set_function_modes(adapter);
1456 dev_info(&adapter->pdev->dev,
1457 "HAL Version: %d, Management function\n",
79788450 1458 adapter->ahw->fw_hal_version);
0866d96d 1459 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1460 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1461 dev_info(&adapter->pdev->dev,
1462 "HAL Version: %d, Privileged function\n",
79788450 1463 adapter->ahw->fw_hal_version);
0866d96d 1464 }
34e8c406
HM		 1465 } else {
1466 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
174240a8 1467 }
0866d96d
AC		 1468
1469 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1470
1471 return err;
1472}
1473
d71170fb 1474int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1475{
1476 struct qlcnic_esw_func_cfg esw_cfg;
1477 struct qlcnic_npar_info *npar;
1478 u8 i;
1479
174240a8 1480 if (adapter->need_fw_reset)
0325d69b
RB		 1481 return 0;
1482
2f514c52 1483 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
35dafcb0
SC		 1484 if (!adapter->npars[i].eswitch_status)
1485 continue;
1486
0325d69b 1487 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1488 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1489 esw_cfg.mac_override = BIT_0;
ee07c1a7 1490 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1491 if (qlcnic_82xx_check(adapter)) {
1492 esw_cfg.offload_flags = BIT_0;
1493 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1494 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1495 }
0325d69b
RB		 1496 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1497 return -EIO;
1498 npar = &adapter->npars[i];
1499 npar->pvid = esw_cfg.vlan_id;
7373373d 1500 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1501 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1502 npar->discard_tagged = esw_cfg.discard_tagged;
1503 npar->promisc_mode = esw_cfg.promisc_mode;
1504 npar->offload_flags = esw_cfg.offload_flags;
1505 }
1506
1507 return 0;
1508}
1509
13159183 1510
4e8acb01
RB		 1511static int
1512qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1513 struct qlcnic_npar_info *npar, int pci_func)
1514{
1515 struct qlcnic_esw_func_cfg esw_cfg;
1516 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1517 esw_cfg.pci_func = pci_func;
1518 esw_cfg.vlan_id = npar->pvid;
7373373d 1519 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1520 esw_cfg.discard_tagged = npar->discard_tagged;
1521 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1522 esw_cfg.offload_flags = npar->offload_flags;
1523 esw_cfg.promisc_mode = npar->promisc_mode;
1524 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1525 return -EIO;
1526
1527 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1528 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1529 return -EIO;
1530
1531 return 0;
1532}
1533
d71170fb 1534int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1535{
4e8acb01 1536 int i, err;
cea8975e
AC		 1537 struct qlcnic_npar_info *npar;
1538 struct qlcnic_info nic_info;
bff57d8e 1539 u8 pci_func;
cea8975e 1540
bff57d8e
SC		 1541 if (qlcnic_82xx_check(adapter))
1542 if (!adapter->need_fw_reset)
1543 return 0;
cea8975e 1544
4e8acb01 1545 /* Set the NPAR config data after FW reset */
2f514c52 1546 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
4e8acb01 1547 npar = &adapter->npars[i];
bff57d8e 1548 pci_func = npar->pci_func;
35dafcb0
SC		 1549 if (!adapter->npars[i].eswitch_status)
1550 continue;
1551
bff57d8e 1552 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1553 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1554 if (err)
1555 return err;
1556 nic_info.min_tx_bw = npar->min_bw;
1557 nic_info.max_tx_bw = npar->max_bw;
1558 err = qlcnic_set_nic_info(adapter, &nic_info);
1559 if (err)
1560 return err;
cea8975e 1561
4e8acb01
RB		 1562 if (npar->enable_pm) {
1563 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1564 npar->dest_npar, 1,
1565 pci_func);
4e8acb01
RB		 1566 if (err)
1567 return err;
cea8975e 1568 }
bff57d8e 1569 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1570 if (err)
1571 return err;
cea8975e 1572 }
4e8acb01 1573 return 0;
cea8975e
AC		 1574}
1575
78f84e1a
AKS		 1576static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1577{
1578 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1579 u32 npar_state;
1580
79788450 1581 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1582 return 0;
1583
a15ebd37
HM		 1584 npar_state = QLC_SHARED_REG_RD32(adapter,
1585 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1586 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1587 msleep(1000);
a15ebd37
HM		 1588 npar_state = QLC_SHARED_REG_RD32(adapter,
1589 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1590 }
1591 if (!npar_opt_timeo) {
1592 dev_err(&adapter->pdev->dev,
8a168ca7 1593 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1594 return -EIO;
1595 }
1596 return 0;
1597}
1598
174240a8
RB		 1599static int
1600qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1601{
1602 int err;
1603
1604 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1605 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1606 return 0;
1607
1608 err = qlcnic_set_default_offload_settings(adapter);
1609 if (err)
1610 return err;
1611
1612 err = qlcnic_reset_npar_config(adapter);
1613 if (err)
1614 return err;
1615
1616 qlcnic_dev_set_npar_ready(adapter);
1617
1618 return err;
1619}
1620
21041400 1621static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1622{
d4066833 1623 int err;
af19b491 1624
aa5e18c0
SC		 1625 err = qlcnic_can_start_firmware(adapter);
1626 if (err < 0)
1627 return err;
1628 else if (!err)
d4066833 1629 goto check_fw_status;
af19b491 1630
099f7aa7 1631 if (qlcnic_load_fw_file)
4d5bdb38 1632 qlcnic_request_firmware(adapter);
8f891387 1633 else {
8cfdce08
SC		 1634 err = qlcnic_check_flash_fw_ver(adapter);
1635 if (err)
8f891387 1636 goto err_out;
1637
79788450 1638 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1639 }
af19b491
AKS		 1640
1641 err = qlcnic_need_fw_reset(adapter);
af19b491 1642 if (err == 0)
4e70812b 1643 goto check_fw_status;
af19b491 1644
d4066833
SC		 1645 err = qlcnic_pinit_from_rom(adapter);
1646 if (err)
1647 goto err_out;
af19b491
AKS		 1648
1649 err = qlcnic_load_firmware(adapter);
1650 if (err)
1651 goto err_out;
1652
1653 qlcnic_release_firmware(adapter);
d4066833 1654 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1655
d4066833
SC		 1656check_fw_status:
1657 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1658 if (err)
1659 goto err_out;
1660
a15ebd37 1661 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1662 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1663 err = qlcnic_check_eswitch_mode(adapter);
1664 if (err) {
1665 dev_err(&adapter->pdev->dev,
1666 "Memory allocation failed for eswitch\n");
1667 goto err_out;
1668 }
174240a8
RB		 1669 err = qlcnic_set_mgmt_operations(adapter);
1670 if (err)
1671 goto err_out;
1672
1673 qlcnic_check_options(adapter);
af19b491
AKS		 1674 adapter->need_fw_reset = 0;
1675
a7fc948f
AKS		 1676 qlcnic_release_firmware(adapter);
1677 return 0;
af19b491
AKS		 1678
1679err_out:
a15ebd37 1680 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1681 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1682
af19b491
AKS		 1683 qlcnic_release_firmware(adapter);
1684 return err;
1685}
1686
1687static int
1688qlcnic_request_irq(struct qlcnic_adapter *adapter)
1689{
1690 irq_handler_t handler;
1691 struct qlcnic_host_sds_ring *sds_ring;
13159183 1692 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1693 int err, ring, num_sds_rings;
af19b491
AKS		 1694
1695 unsigned long flags = 0;
1696 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1697 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1698
79788450 1699 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1700 if (qlcnic_82xx_check(adapter))
1701 handler = qlcnic_tmp_intr;
c2534384
MC		 1702 else
1703 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1704 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1705 flags |= IRQF_SHARED;
1706
1707 } else {
1708 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1709 handler = qlcnic_msix_intr;
1710 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1711 handler = qlcnic_msi_intr;
1712 else {
1713 flags |= IRQF_SHARED;
ac166700
HM		 1714 if (qlcnic_82xx_check(adapter))
1715 handler = qlcnic_intr;
1716 else
1717 handler = qlcnic_83xx_intr;
7eb9855d 1718 }
af19b491
AKS		 1719 }
1720 adapter->irq = netdev->irq;
1721
13159183 1722 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1723 if (qlcnic_82xx_check(adapter) ||
1724 (qlcnic_83xx_check(adapter) &&
1725 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1726 num_sds_rings = adapter->drv_sds_rings;
ddb2e174 1727 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1728 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1729 if (qlcnic_82xx_check(adapter) &&
012ec812 1730 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1731 (ring == (num_sds_rings - 1))) {
1732 if (!(adapter->flags &
1733 QLCNIC_MSIX_ENABLED))
1734 snprintf(sds_ring->name,
1735 sizeof(sds_ring->name),
1736 "qlcnic");
1737 else
1738 snprintf(sds_ring->name,
1739 sizeof(sds_ring->name),
1740 "%s-tx-0-rx-%d",
1741 netdev->name, ring);
1742 } else {
ddb2e174
HM		 1743 snprintf(sds_ring->name,
1744 sizeof(sds_ring->name),
aa2a8034 1745 "%s-rx-%d",
ddb2e174 1746 netdev->name, ring);
aa2a8034 1747 }
ac166700
HM		 1748 err = request_irq(sds_ring->irq, handler, flags,
1749 sds_ring->name, sds_ring);
1750 if (err)
1751 return err;
1752 }
13159183 1753 }
012ec812
HM		 1754 if ((qlcnic_82xx_check(adapter) &&
1755 qlcnic_check_multi_tx(adapter)) ||
1756 (qlcnic_83xx_check(adapter) &&
1757 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1758 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183 1759 handler = qlcnic_msix_tx_intr;
34e8c406 1760 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1761 ring++) {
1762 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1763 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1764 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1765 err = request_irq(tx_ring->irq, handler, flags,
1766 tx_ring->name, tx_ring);
1767 if (err)
1768 return err;
1769 }
1770 }
af19b491 1771 }
af19b491
AKS		 1772 return 0;
1773}
1774
1775static void
1776qlcnic_free_irq(struct qlcnic_adapter *adapter)
1777{
1778 int ring;
1779 struct qlcnic_host_sds_ring *sds_ring;
13159183 1780 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1781
b1fc6d3c 1782 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1783
13159183 1784 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1785 if (qlcnic_82xx_check(adapter) ||
1786 (qlcnic_83xx_check(adapter) &&
1787 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1788 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
ac166700
HM		 1789 sds_ring = &recv_ctx->sds_rings[ring];
1790 free_irq(sds_ring->irq, sds_ring);
1791 }
13159183 1792 }
012ec812
HM		 1793 if ((qlcnic_83xx_check(adapter) &&
1794 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1795 (qlcnic_82xx_check(adapter) &&
1796 qlcnic_check_multi_tx(adapter))) {
34e8c406 1797 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1798 ring++) {
1799 tx_ring = &adapter->tx_ring[ring];
1800 if (tx_ring->irq)
1801 free_irq(tx_ring->irq, tx_ring);
1802 }
1803 }
af19b491
AKS		 1804 }
1805}
1806
99e85879
SS		 1807static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1808{
1809 u32 capab = 0;
1810
1811 if (qlcnic_82xx_check(adapter)) {
db131786 1812 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1813 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1814 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1815 } else {
1816 capab = adapter->ahw->capabilities;
1817 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1818 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1819 }
1820}
1821
a514722a
HM		 1822static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1823{
1824 struct qlcnic_hardware_context *ahw = adapter->ahw;
1825 int err;
1826
1827 /* Initialize interrupt coalesce parameters */
1828 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1829
1830 if (qlcnic_83xx_check(adapter)) {
1831 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1832 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1833 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1834 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1835 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1836
1837 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1838 } else {
1839 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1840 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1841 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1842
1843 err = qlcnic_82xx_set_rx_coalesce(adapter);
1844 }
1845
1846 return err;
1847}
1848
319ecf12 1849int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1850{
8a15ad1f
AKS		 1851 int ring;
1852 struct qlcnic_host_rds_ring *rds_ring;
1853
af19b491
AKS		 1854 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1855 return -EIO;
1856
8a15ad1f
AKS		 1857 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1858 return 0;
012ec812 1859
0325d69b
RB		 1860 if (qlcnic_set_eswitch_port_config(adapter))
1861 return -EIO;
012ec812 1862
99e85879 1863 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1864
8a15ad1f
AKS		 1865 if (qlcnic_fw_create_ctx(adapter))
1866 return -EIO;
1867
1868 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1869 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1870 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1871 }
1872
af19b491
AKS		 1873 qlcnic_set_multi(netdev);
1874 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1875
b1fc6d3c 1876 adapter->ahw->linkup = 0;
af19b491 1877
34e8c406 1878 if (adapter->drv_sds_rings > 1)
af19b491
AKS		 1879 qlcnic_config_rss(adapter, 1);
1880
a514722a 1881 qlcnic_config_def_intr_coalesce(adapter);
af19b491 1882
24763d80 1883 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1884 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1885
cfacb172 1886 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1887 qlcnic_napi_enable(adapter);
1888
1889 qlcnic_linkevent_request(adapter, 1);
1890
79788450 1891 adapter->ahw->reset_context = 0;
060d0564 1892 netif_tx_start_all_queues(netdev);
af19b491
AKS		 1893 return 0;
1894}
1895
629263ac 1896int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1897{
1898 int err = 0;
1899
1900 rtnl_lock();
1901 if (netif_running(netdev))
1902 err = __qlcnic_up(adapter, netdev);
1903 rtnl_unlock();
1904
1905 return err;
1906}
1907
319ecf12 1908void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1909{
012ec812
HM		 1910 int ring;
1911
af19b491
AKS		 1912 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1913 return;
1914
1915 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1916 return;
1917
e8b508ef
RB		 1918 if (qlcnic_sriov_vf_check(adapter))
1919 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1920 smp_mb();
af19b491 1921 netif_carrier_off(netdev);
0a46bac0 1922 adapter->ahw->linkup = 0;
af19b491
AKS		 1923 netif_tx_disable(netdev);
1924
1925 qlcnic_free_mac_list(adapter);
1926
b5e5492c
AKS		 1927 if (adapter->fhash.fnum)
1928 qlcnic_delete_lb_filters(adapter);
1929
af19b491
AKS		 1930 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1931
1932 qlcnic_napi_disable(adapter);
1933
8a15ad1f 1934 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1935 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1936
1937 qlcnic_reset_rx_buffers_list(adapter);
012ec812 1938
34e8c406 1939 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
012ec812 1940 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1941}
1942
1943/* Usage: During suspend and firmware recovery module */
1944
629263ac 1945void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1946{
1947 rtnl_lock();
1948 if (netif_running(netdev))
1949 __qlcnic_down(adapter, netdev);
1950 rtnl_unlock();
1951
1952}
1953
319ecf12 1954int
af19b491
AKS		 1955qlcnic_attach(struct qlcnic_adapter *adapter)
1956{
1957 struct net_device *netdev = adapter->netdev;
1958 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1959 int err;
af19b491
AKS		 1960
1961 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1962 return 0;
1963
af19b491
AKS		 1964 err = qlcnic_napi_add(adapter, netdev);
1965 if (err)
1966 return err;
1967
1968 err = qlcnic_alloc_sw_resources(adapter);
1969 if (err) {
1970 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1971 goto err_out_napi_del;
af19b491
AKS		 1972 }
1973
1974 err = qlcnic_alloc_hw_resources(adapter);
1975 if (err) {
1976 dev_err(&pdev->dev, "Error in setting hw resources\n");
1977 goto err_out_free_sw;
1978 }
1979
af19b491
AKS		 1980 err = qlcnic_request_irq(adapter);
1981 if (err) {
1982 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1983 goto err_out_free_hw;
af19b491
AKS		 1984 }
1985
af19b491
AKS		 1986 qlcnic_create_sysfs_entries(adapter);
1987
7f1f6056 1988#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 1989 if (qlcnic_encap_rx_offload(adapter))
1990 vxlan_get_rx_port(netdev);
7f1f6056 1991#endif
2b3d7b75 1992
af19b491
AKS		 1993 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1994 return 0;
1995
8a15ad1f 1996err_out_free_hw:
af19b491
AKS		 1997 qlcnic_free_hw_resources(adapter);
1998err_out_free_sw:
1999 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 2000err_out_napi_del:
2001 qlcnic_napi_del(adapter);
af19b491
AKS		 2002 return err;
2003}
2004
319ecf12 2005void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 2006{
2007 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2008 return;
2009
2010 qlcnic_remove_sysfs_entries(adapter);
2011
2012 qlcnic_free_hw_resources(adapter);
2013 qlcnic_release_rx_buffers(adapter);
2014 qlcnic_free_irq(adapter);
2015 qlcnic_napi_del(adapter);
2016 qlcnic_free_sw_resources(adapter);
2017
2018 adapter->is_up = 0;
2019}
2020
34e8c406 2021void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
7eb9855d
AKS		 2022{
2023 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2024 struct qlcnic_host_sds_ring *sds_ring;
34e8c406 2025 int drv_tx_rings = adapter->drv_tx_rings;
7eb9855d
AKS		 2026 int ring;
2027
78ad3892 2028 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 2029 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2030 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2031 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2032 qlcnic_disable_sds_intr(adapter, sds_ring);
cdaff185 2033 }
7eb9855d
AKS		 2034 }
2035
8a15ad1f
AKS		 2036 qlcnic_fw_destroy_ctx(adapter);
2037
7eb9855d
AKS		 2038 qlcnic_detach(adapter);
2039
79788450 2040 adapter->ahw->diag_test = 0;
34e8c406
HM		 2041 adapter->drv_sds_rings = drv_sds_rings;
2042 adapter->drv_tx_rings = drv_tx_rings;
7eb9855d
AKS		 2043
2044 if (qlcnic_attach(adapter))
34ce3626 2045 goto out;
7eb9855d
AKS		 2046
2047 if (netif_running(netdev))
2048 __qlcnic_up(adapter, netdev);
34ce3626 2049out:
7eb9855d
AKS		 2050 netif_device_attach(netdev);
2051}
2052
b1fc6d3c
AC		 2053static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2054{
2055 int err = 0;
be273dc1 2056
b1fc6d3c
AC		 2057 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2058 GFP_KERNEL);
2059 if (!adapter->recv_ctx) {
b1fc6d3c 2060 err = -ENOMEM;
8816d009 2061 goto err_out;
b1fc6d3c 2062 }
a514722a 2063
4be41e92
SC		 2064 /* clear stats */
2065 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 2066err_out:
2067 return err;
2068}
2069
2070static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2071{
2072 kfree(adapter->recv_ctx);
2073 adapter->recv_ctx = NULL;
2074
18f2f616
AC		 2075 if (adapter->ahw->fw_dump.tmpl_hdr) {
2076 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2077 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2078 }
4be41e92 2079
81d0aeb0 2080 kfree(adapter->ahw->reset.buff);
4be41e92 2081 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 2082}
2083
7eb9855d
AKS		 2084int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2085{
2086 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2087 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 2088 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 2089 int ring;
2090 int ret;
2091
2092 netif_device_detach(netdev);
2093
2094 if (netif_running(netdev))
2095 __qlcnic_down(adapter, netdev);
2096
2097 qlcnic_detach(adapter);
2098
34e8c406 2099 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
79788450 2100 adapter->ahw->diag_test = test;
4be41e92 2101 adapter->ahw->linkup = 0;
7eb9855d
AKS		 2102
2103 ret = qlcnic_attach(adapter);
34ce3626
AKS		 2104 if (ret) {
2105 netif_device_attach(netdev);
7eb9855d 2106 return ret;
34ce3626 2107 }
7eb9855d 2108
8a15ad1f
AKS		 2109 ret = qlcnic_fw_create_ctx(adapter);
2110 if (ret) {
2111 qlcnic_detach(adapter);
57e46248 2112 netif_device_attach(netdev);
8a15ad1f
AKS		 2113 return ret;
2114 }
2115
2116 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 2117 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 2118 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 2119 }
2120
79788450 2121 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2122 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2123 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2124 qlcnic_enable_sds_intr(adapter, sds_ring);
cdaff185 2125 }
7eb9855d 2126 }
22c8c934 2127
79788450 2128 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 2129 adapter->ahw->loopback_state = 0;
2130 qlcnic_linkevent_request(adapter, 1);
2131 }
2132
78ad3892 2133 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 2134
2135 return 0;
2136}
2137
68bf1c68
AKS		 2138/* Reset context in hardware only */
2139static int
2140qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2141{
2142 struct net_device *netdev = adapter->netdev;
2143
2144 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2145 return -EBUSY;
2146
2147 netif_device_detach(netdev);
2148
2149 qlcnic_down(adapter, netdev);
2150
2151 qlcnic_up(adapter, netdev);
2152
2153 netif_device_attach(netdev);
2154
2155 clear_bit(__QLCNIC_RESETTING, &adapter->state);
95b3890a 2156 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
68bf1c68
AKS		 2157 return 0;
2158}
2159
af19b491
AKS		 2160int
2161qlcnic_reset_context(struct qlcnic_adapter *adapter)
2162{
2163 int err = 0;
2164 struct net_device *netdev = adapter->netdev;
2165
2166 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2167 return -EBUSY;
2168
2169 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2170
2171 netif_device_detach(netdev);
2172
2173 if (netif_running(netdev))
2174 __qlcnic_down(adapter, netdev);
2175
2176 qlcnic_detach(adapter);
2177
2178 if (netif_running(netdev)) {
2179 err = qlcnic_attach(adapter);
1d5c88e3 2180 if (!err) {
34ce3626 2181 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 2182 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2183 }
af19b491
AKS		 2184 }
2185
2186 netif_device_attach(netdev);
2187 }
2188
af19b491
AKS		 2189 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2190 return err;
2191}
2192
21041400 2193static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
52e493d0
JK		 2194{
2195 struct qlcnic_hardware_context *ahw = adapter->ahw;
2f514c52 2196 u16 act_pci_fn = ahw->total_nic_func;
52e493d0
JK		 2197 u16 count;
2198
2199 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2200 if (act_pci_fn <= 2)
2201 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2202 act_pci_fn;
2203 else
2204 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2205 act_pci_fn;
2206 ahw->max_uc_count = count;
2207}
2208
f8468331 2209int
5ad6ff9d
SC		 2210qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2211 int pci_using_dac)
af19b491
AKS		 2212{
2213 int err;
2214 struct pci_dev *pdev = adapter->pdev;
2215
13159183 2216 adapter->rx_csum = 1;
79788450 2217 adapter->ahw->mc_enabled = 0;
52e493d0 2218 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2219
2220 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2221 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2222
2223 qlcnic_change_mtu(netdev, netdev->mtu);
2224
d1a1105e
RB		 2225 if (qlcnic_sriov_vf_check(adapter))
2226 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2227 else
2228 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 2229
7e38d04b 2230 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2231 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2232 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2233 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2234 NETIF_F_IPV6_CSUM);
ac8d0c4f 2235
13159183
SC		 2236 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2237 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2238 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2239 }
af19b491 2240
13159183
SC		 2241 if (pci_using_dac) {
2242 netdev->features |= NETIF_F_HIGHDMA;
2243 netdev->vlan_features |= NETIF_F_HIGHDMA;
2244 }
af19b491 2245
13159183 2246 if (qlcnic_vlan_tx_check(adapter))
f646968f 2247 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2248
91b7282b
RB		 2249 if (qlcnic_sriov_vf_check(adapter))
2250 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2251
13159183
SC		 2252 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2253 netdev->features |= NETIF_F_LRO;
135d84a9 2254
381709de
SS		 2255 if (qlcnic_encap_tx_offload(adapter)) {
2256 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2257
2258 /* encapsulation Tx offload supported by Adapter */
2259 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2260 NETIF_F_GSO_UDP_TUNNEL |
2261 NETIF_F_TSO |
2262 NETIF_F_TSO6;
2263 }
2264
2b3d7b75
SS		 2265 if (qlcnic_encap_rx_offload(adapter))
2266 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2267
7e38d04b 2268 netdev->hw_features = netdev->features;
52e493d0 2269 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2270 netdev->irq = adapter->msix_entries[0].vector;
2271
aa4a1f7d
HM		 2272 err = qlcnic_set_real_num_queues(adapter, netdev);
2273 if (err)
2274 return err;
012ec812 2275
af19b491
AKS		 2276 err = register_netdev(netdev);
2277 if (err) {
2278 dev_err(&pdev->dev, "failed to register net device\n");
2279 return err;
2280 }
2281
1de899d3 2282 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
48365e48 2283
af19b491
AKS		 2284 return 0;
2285}
2286
5ad6ff9d 2287static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2288{
2289 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2290 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2291 *pci_using_dac = 1;
2292 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2293 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2294 *pci_using_dac = 0;
2295 else {
2296 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2297 return -EIO;
2298 }
2299
2300 return 0;
2301}
2302
4be41e92
SC		 2303void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2304{
2305 int ring;
2306 struct qlcnic_host_tx_ring *tx_ring;
2307
34e8c406 2308 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2309 tx_ring = &adapter->tx_ring[ring];
2310 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2311 vfree(tx_ring->cmd_buf_arr);
2312 tx_ring->cmd_buf_arr = NULL;
2313 }
2314 }
2315 if (adapter->tx_ring != NULL)
2316 kfree(adapter->tx_ring);
2317}
2318
2319int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2320 struct net_device *netdev)
2321{
b2adaca9 2322 int ring, vector, index;
4be41e92
SC		 2323 struct qlcnic_host_tx_ring *tx_ring;
2324 struct qlcnic_cmd_buffer *cmd_buf_arr;
2325
34e8c406 2326 tx_ring = kcalloc(adapter->drv_tx_rings,
b2adaca9
JP		 2327 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2328 if (tx_ring == NULL)
4be41e92 2329 return -ENOMEM;
b2adaca9 2330
4be41e92
SC		 2331 adapter->tx_ring = tx_ring;
2332
34e8c406 2333 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2334 tx_ring = &adapter->tx_ring[ring];
2335 tx_ring->num_desc = adapter->num_txd;
2336 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2337 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2338 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2339 qlcnic_free_tx_rings(adapter);
2340 return -ENOMEM;
2341 }
2342 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2343 tx_ring->cmd_buf_arr = cmd_buf_arr;
a02bdd42 2344 spin_lock_init(&tx_ring->tx_clean_lock);
4be41e92
SC		 2345 }
2346
012ec812
HM		 2347 if (qlcnic_83xx_check(adapter) ||
2348 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
34e8c406 2349 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2350 tx_ring = &adapter->tx_ring[ring];
2351 tx_ring->adapter = adapter;
2352 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
34e8c406 2353 index = adapter->drv_sds_rings + ring;
4be41e92
SC		 2354 vector = adapter->msix_entries[index].vector;
2355 tx_ring->irq = vector;
2356 }
2357 }
2358 }
012ec812 2359
4be41e92
SC		 2360 return 0;
2361}
2362
8af3f33d
PP		 2363void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2364{
2365 struct qlcnic_hardware_context *ahw = adapter->ahw;
2366 u32 fw_cmd = 0;
2367
2368 if (qlcnic_82xx_check(adapter))
2369 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2370 else if (qlcnic_83xx_check(adapter))
2371 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2372
d6994ca7 2373 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2374 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2375}
2376
2c97e9e2
SC		 2377/* Reset firmware API lock */
2378static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2379{
2380 qlcnic_api_lock(adapter);
2381 qlcnic_api_unlock(adapter);
2382}
2383
2384
6bb58bb0 2385static int
af19b491
AKS		 2386qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2387{
2388 struct net_device *netdev = NULL;
2389 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2390 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2391 int err, pci_using_dac = -1;
7bc48646 2392 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2393
f8468331
RB		 2394 if (pdev->is_virtfn)
2395 return -ENODEV;
2396
af19b491
AKS		 2397 err = pci_enable_device(pdev);
2398 if (err)
2399 return err;
2400
2401 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2402 err = -ENODEV;
2403 goto err_out_disable_pdev;
2404 }
2405
1bb09fb9
AKS		 2406 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2407 if (err)
2408 goto err_out_disable_pdev;
2409
af19b491
AKS		 2410 err = pci_request_regions(pdev, qlcnic_driver_name);
2411 if (err)
2412 goto err_out_disable_pdev;
2413
2414 pci_set_master(pdev);
451724c8 2415 pci_enable_pcie_error_reporting(pdev);
af19b491 2416
7e2cf4fe 2417 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2418 if (!ahw) {
2419 err = -ENOMEM;
7e2cf4fe 2420 goto err_out_free_res;
02135582 2421 }
7e2cf4fe 2422
f8468331
RB		 2423 switch (ent->device) {
2424 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2425 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2426 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2427 break;
2428 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2429 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2430 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2431 break;
2432 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2433 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2434 qlcnic_sriov_vf_register_map(ahw);
2435 break;
2436 default:
13159183 2437 goto err_out_free_hw_res;
7e2cf4fe
SC		 2438 }
2439
2440 err = qlcnic_setup_pci_map(pdev, ahw);
2441 if (err)
2442 goto err_out_free_hw_res;
2443
012ec812
HM		 2444 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2445 QLCNIC_MAX_TX_RINGS);
af19b491 2446 if (!netdev) {
af19b491 2447 err = -ENOMEM;
7e2cf4fe 2448 goto err_out_iounmap;
af19b491
AKS		 2449 }
2450
2451 SET_NETDEV_DEV(netdev, &pdev->dev);
2452
2453 adapter = netdev_priv(netdev);
2454 adapter->netdev = netdev;
2455 adapter->pdev = pdev;
13159183
SC		 2456 adapter->ahw = ahw;
2457
2458 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2459 if (adapter->qlcnic_wq == NULL) {
02135582 2460 err = -ENOMEM;
13159183
SC		 2461 dev_err(&pdev->dev, "Failed to create workqueue\n");
2462 goto err_out_free_netdev;
2463 }
af19b491 2464
2dfc9671
PST		 2465 err = qlcnic_alloc_adapter_resources(adapter);
2466 if (err)
2b1f18a4 2467 goto err_out_free_wq;
b1fc6d3c
AC		 2468
2469 adapter->dev_rst_time = jiffies;
2f514c52
JK		 2470 ahw->revision_id = pdev->revision;
2471 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
fe1adc6b
JK		 2472 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2473 adapter->fdb_mac_learn = true;
2474 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2475 adapter->drv_mac_learn = true;
af19b491 2476
b1fc6d3c
AC		 2477 rwlock_init(&adapter->ahw->crb_lock);
2478 mutex_init(&adapter->ahw->mem_lock);
af19b491 2479
af19b491
AKS		 2480 INIT_LIST_HEAD(&adapter->mac_list);
2481
14d385b9
SC		 2482 qlcnic_register_dcb(adapter);
2483
7e2cf4fe 2484 if (qlcnic_82xx_check(adapter)) {
13159183 2485 qlcnic_check_vf(adapter, ent);
7e2cf4fe 2486 adapter->portnum = adapter->ahw->pci_func;
2c97e9e2 2487 qlcnic_reset_api_lock(adapter);
7e2cf4fe
SC		 2488 err = qlcnic_start_firmware(adapter);
2489 if (err) {
66451615
SC		 2490 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2491 "\t\tIf reboot doesn't help, try flashing the card\n");
2492 goto err_out_maintenance_mode;
7e2cf4fe 2493 }
af19b491 2494
34e8c406
HM		 2495 /* compute and set default and max tx/sds rings */
2496 if (adapter->ahw->msix_supported) {
2497 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2498 qlcnic_set_tx_ring_count(adapter,
2499 QLCNIC_SINGLE_RING);
2500 else
2501 qlcnic_set_tx_ring_count(adapter,
2502 QLCNIC_DEF_TX_RINGS);
2503 qlcnic_set_sds_ring_count(adapter,
2504 QLCNIC_DEF_SDS_RINGS);
2505 } else {
2506 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2507 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
012ec812
HM		 2508 }
2509
7e2cf4fe
SC		 2510 err = qlcnic_setup_idc_param(adapter);
2511 if (err)
2512 goto err_out_free_hw;
b0044bcf 2513
7e2cf4fe 2514 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2515
13159183
SC		 2516 } else if (qlcnic_83xx_check(adapter)) {
2517 qlcnic_83xx_check_vf(adapter, ent);
2518 adapter->portnum = adapter->ahw->pci_func;
f8468331 2519 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac 2520 if (err) {
78ea2d97
SC		 2521 switch (err) {
2522 case -ENOTRECOVERABLE:
2a355aec
SC		 2523 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2524 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
78ea2d97
SC		 2525 goto err_out_free_hw;
2526 case -ENOMEM:
2527 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2528 goto err_out_free_hw;
2529 default:
2530 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2531 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2532 goto err_out_maintenance_mode;
2533 }
629263ac 2534 }
78ea2d97 2535
f8468331
RB		 2536 if (qlcnic_sriov_vf_check(adapter))
2537 return 0;
13159183
SC		 2538 } else {
2539 dev_err(&pdev->dev,
2540 "%s: failed. Please Reboot\n", __func__);
2541 goto err_out_free_hw;
a7fc948f 2542 }
af19b491 2543
da48e6c3
RB		 2544 if (qlcnic_read_mac_addr(adapter))
2545 dev_warn(&pdev->dev, "failed to read mac addr\n");
2546
07a251c8
SS		 2547 qlcnic_read_phys_port_id(adapter);
2548
da48e6c3 2549 if (adapter->portnum == 0) {
22999798 2550 qlcnic_get_board_name(adapter, board_name);
13159183 2551
da48e6c3 2552 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2553 module_name(THIS_MODULE),
2554 board_name, adapter->ahw->revision_id);
da48e6c3 2555 }
460374f7
HM		 2556
2557 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2558 !!qlcnic_use_msi)
2559 dev_warn(&pdev->dev,
01b91f4c 2560 "Device does not support MSI interrupts\n");
460374f7 2561
068a8d19 2562 if (qlcnic_82xx_check(adapter)) {
4d52e1e8
SC		 2563 qlcnic_dcb_enable(adapter->dcb);
2564 qlcnic_dcb_get_info(adapter->dcb);
34e8c406 2565 err = qlcnic_setup_intr(adapter);
4d52e1e8 2566
068a8d19
MC		 2567 if (err) {
2568 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2569 goto err_out_disable_msi;
068a8d19 2570 }
13159183 2571 }
af19b491 2572
02135582
SC		 2573 err = qlcnic_get_act_pci_func(adapter);
2574 if (err)
2575 goto err_out_disable_mbx_intr;
2576
1bb09fb9 2577 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2578 if (err)
7e2cf4fe 2579 goto err_out_disable_mbx_intr;
af19b491 2580
24866d15
HM		 2581 if (adapter->portnum == 0)
2582 qlcnic_set_drv_version(adapter);
c84e340a 2583
af19b491
AKS		 2584 pci_set_drvdata(pdev, adapter);
2585
97ee45eb
SC		 2586 if (qlcnic_82xx_check(adapter))
2587 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2588 FW_POLL_DELAY);
af19b491 2589
b1fc6d3c 2590 switch (adapter->ahw->port_type) {
af19b491
AKS		 2591 case QLCNIC_GBE:
2592 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2593 adapter->netdev->name);
2594 break;
2595 case QLCNIC_XGBE:
2596 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2597 adapter->netdev->name);
2598 break;
2599 }
2600
fe1adc6b 2601 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2602 qlcnic_alloc_lb_filters_mem(adapter);
2603
7e2cf4fe 2604 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2605
2606 return 0;
2607
7e2cf4fe 2608err_out_disable_mbx_intr:
7dd90cf1 2609 if (qlcnic_83xx_check(adapter))
13159183 2610 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2611
af19b491
AKS		 2612err_out_disable_msi:
2613 qlcnic_teardown_intr(adapter);
7e2cf4fe 2614 qlcnic_cancel_idc_work(adapter);
21854f02 2615 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2616
b1fc6d3c
AC		 2617err_out_free_hw:
2618 qlcnic_free_adapter_resources(adapter);
2619
2b1f18a4
WY		 2620err_out_free_wq:
2621 destroy_workqueue(adapter->qlcnic_wq);
2622
af19b491
AKS		 2623err_out_free_netdev:
2624 free_netdev(netdev);
2625
7e2cf4fe 2626err_out_iounmap:
f1a094a8 2627 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2628
2629err_out_free_hw_res:
2630 kfree(ahw);
2631
af19b491
AKS		 2632err_out_free_res:
2633 pci_release_regions(pdev);
2634
2635err_out_disable_pdev:
af19b491
AKS		 2636 pci_disable_device(pdev);
2637 return err;
66451615
SC		 2638
2639err_out_maintenance_mode:
78ea2d97 2640 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615
SC		 2641 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2642 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
78ea2d97
SC		 2643 ahw->port_type = QLCNIC_XGBE;
2644
2645 if (qlcnic_83xx_check(adapter))
2646 adapter->tgt_status_reg = NULL;
2647 else
2648 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2649
66451615
SC		 2650 err = register_netdev(netdev);
2651
2652 if (err) {
2653 dev_err(&pdev->dev, "Failed to register net device\n");
2654 qlcnic_clr_all_drv_state(adapter, 0);
2655 goto err_out_free_hw;
2656 }
2657
2658 pci_set_drvdata(pdev, adapter);
2659 qlcnic_add_sysfs(adapter);
2660
2661 return 0;
af19b491
AKS		 2662}
2663
6bb58bb0 2664static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2665{
2666 struct qlcnic_adapter *adapter;
2667 struct net_device *netdev;
13159183 2668 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2669
2670 adapter = pci_get_drvdata(pdev);
2671 if (adapter == NULL)
2672 return;
2673
2674 netdev = adapter->netdev;
02feda17 2675 qlcnic_sriov_pf_disable(adapter);
af19b491 2676
13159183
SC		 2677 qlcnic_cancel_idc_work(adapter);
2678 ahw = adapter->ahw;
af19b491
AKS		 2679
2680 unregister_netdev(netdev);
02feda17 2681 qlcnic_sriov_cleanup(adapter);
af19b491 2682
13159183 2683 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 2684 qlcnic_83xx_initialize_nic(adapter, 0);
3d73b5fd 2685 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2686 qlcnic_83xx_free_mbx_intr(adapter);
2687 qlcnic_83xx_detach_mailbox_work(adapter);
2688 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2689 kfree(ahw->fw_info);
13159183
SC		 2690 }
2691
3720bf79
SC		 2692 qlcnic_dcb_free(adapter->dcb);
2693
af19b491
AKS		 2694 qlcnic_detach(adapter);
2695
2e9d722d
AC		 2696 if (adapter->npars != NULL)
2697 kfree(adapter->npars);
2698 if (adapter->eswitch != NULL)
2699 kfree(adapter->eswitch);
2700
97ee45eb
SC		 2701 if (qlcnic_82xx_check(adapter))
2702 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2703
2704 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2705
b5e5492c
AKS		 2706 qlcnic_free_lb_filters_mem(adapter);
2707
af19b491
AKS		 2708 qlcnic_teardown_intr(adapter);
2709
13159183 2710 qlcnic_remove_sysfs(adapter);
af19b491 2711
f1a094a8 2712 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2713
2714 qlcnic_release_firmware(adapter);
2715
451724c8 2716 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2717 pci_release_regions(pdev);
2718 pci_disable_device(pdev);
af19b491 2719
13159183
SC		 2720 if (adapter->qlcnic_wq) {
2721 destroy_workqueue(adapter->qlcnic_wq);
2722 adapter->qlcnic_wq = NULL;
2723 }
14d385b9 2724
b1fc6d3c 2725 qlcnic_free_adapter_resources(adapter);
13159183 2726 kfree(ahw);
af19b491
AKS		 2727 free_netdev(netdev);
2728}
af19b491
AKS		 2729
2730static void qlcnic_shutdown(struct pci_dev *pdev)
2731{
2732 if (__qlcnic_shutdown(pdev))
2733 return;
2734
2735 pci_disable_device(pdev);
2736}
2737
2738#ifdef CONFIG_PM
486a5bc7 2739static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2740{
2741 int retval;
2742
2743 retval = __qlcnic_shutdown(pdev);
2744 if (retval)
2745 return retval;
2746
2747 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2748 return 0;
2749}
2750
486a5bc7 2751static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2752{
2753 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2754 int err;
2755
2756 err = pci_enable_device(pdev);
2757 if (err)
2758 return err;
2759
2760 pci_set_power_state(pdev, PCI_D0);
2761 pci_set_master(pdev);
2762 pci_restore_state(pdev);
2763
486a5bc7 2764 return __qlcnic_resume(adapter);
af19b491
AKS		 2765}
2766#endif
2767
2768static int qlcnic_open(struct net_device *netdev)
2769{
2770 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2771 int err;
2772
78ea2d97
SC		 2773 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2774 netdev_err(netdev, "%s: Device is in non-operational state\n",
2775 __func__);
66451615
SC		 2776
2777 return -EIO;
2778 }
2779
c55ad8e5
AKS		 2780 netif_carrier_off(netdev);
2781
af19b491
AKS		 2782 err = qlcnic_attach(adapter);
2783 if (err)
2784 return err;
2785
2786 err = __qlcnic_up(adapter, netdev);
2787 if (err)
060d0564 2788 qlcnic_detach(adapter);
af19b491 2789
af19b491
AKS		 2790 return err;
2791}
2792
2793/*
2794 * qlcnic_close - Disables a network interface entry point
2795 */
2796static int qlcnic_close(struct net_device *netdev)
2797{
2798 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2799
2800 __qlcnic_down(adapter, netdev);
13159183 2801
af19b491
AKS		 2802 return 0;
2803}
2804
e5dcf6dc 2805void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2806{
2807 void *head;
2808 int i;
13159183
SC		 2809 struct net_device *netdev = adapter->netdev;
2810 u32 filter_size = 0;
2811 u16 act_pci_func = 0;
b5e5492c 2812
e5dcf6dc 2813 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2814 return;
2815
2f514c52 2816 act_pci_func = adapter->ahw->total_nic_func;
b5e5492c 2817 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2818 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2819
13159183
SC		 2820 if (qlcnic_82xx_check(adapter)) {
2821 filter_size = QLCNIC_LB_MAX_FILTERS;
2822 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2823 } else {
2824 filter_size = QLC_83XX_LB_MAX_FILTERS;
2825 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2826 }
2827
2828 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2829 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2830
b5e5492c
AKS		 2831 if (!head)
2832 return;
2833
13159183 2834 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2835 adapter->fhash.fhead = head;
b5e5492c 2836
13159183
SC		 2837 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2838 act_pci_func, adapter->fhash.fmax);
2839
2840 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2841 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2842
2843 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2844
2845 head = kcalloc(adapter->rx_fhash.fbucket_size,
2846 sizeof(struct hlist_head), GFP_ATOMIC);
2847
2848 if (!head)
2849 return;
2850
2851 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2852 adapter->rx_fhash.fhead = head;
2853
2854 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2855 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2856}
2857
2858static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2859{
2860 if (adapter->fhash.fmax && adapter->fhash.fhead)
2861 kfree(adapter->fhash.fhead);
2862
2863 adapter->fhash.fhead = NULL;
2864 adapter->fhash.fmax = 0;
53643a75
SS		 2865
2866 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2867 kfree(adapter->rx_fhash.fhead);
2868
2869 adapter->rx_fhash.fmax = 0;
2870 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2871}
2872
629263ac 2873int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2874{
2875 struct net_device *netdev = adapter->netdev;
97ee45eb 2876 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2877 int rv = 0;
2878
13159183
SC		 2879 if (qlcnic_83xx_check(adapter))
2880 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2881
97ee45eb 2882 if (qlcnic_82xx_check(adapter))
a15ebd37 2883 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2884
2885 temp_state = qlcnic_get_temp_state(temp);
2886 temp_val = qlcnic_get_temp_val(temp);
2887
2888 if (temp_state == QLCNIC_TEMP_PANIC) {
2889 dev_err(&netdev->dev,
2890 "Device temperature %d degrees C exceeds"
2891 " maximum allowed. Hardware has been shut down.\n",
2892 temp_val);
2893 rv = 1;
2894 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2895 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2896 dev_err(&netdev->dev,
2897 "Device temperature %d degrees C "
2898 "exceeds operating range."
2899 " Immediate action needed.\n",
2900 temp_val);
2901 }
2902 } else {
79788450 2903 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2904 dev_info(&netdev->dev,
2905 "Device temperature is now %d degrees C"
2906 " in normal range.\n", temp_val);
2907 }
2908 }
79788450 2909 adapter->ahw->temp = temp_state;
af19b491
AKS		 2910 return rv;
2911}
2912
95b3890a 2913static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
af19b491 2914{
95b3890a
HM		 2915 int i;
2916 struct cmd_desc_type0 *tx_desc_info;
2917
2918 for (i = 0; i < tx_ring->num_desc; i++) {
2919 tx_desc_info = &tx_ring->desc_head[i];
2920 pr_info("TX Desc: %d\n", i);
2921 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2922 &tx_ring->desc_head[i],
2923 sizeof(struct cmd_desc_type0), true);
2924 }
2925}
2926
2927static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2928{
2929 struct net_device *netdev = adapter->netdev;
012ec812
HM		 2930 struct qlcnic_host_tx_ring *tx_ring;
2931 int ring;
af19b491 2932
95b3890a
HM		 2933 if (!netdev || !netif_running(netdev))
2934 return;
2935
2936 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2937 tx_ring = &adapter->tx_ring[ring];
2938 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2939 ring, tx_ring->ctx_id);
2940 netdev_info(netdev,
2941 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2942 tx_ring->tx_stats.xmit_finished,
2943 tx_ring->tx_stats.xmit_called,
2944 tx_ring->tx_stats.xmit_on,
2945 tx_ring->tx_stats.xmit_off);
2946 netdev_info(netdev,
2947 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2948 readl(tx_ring->crb_intr_mask),
2949 readl(tx_ring->crb_cmd_producer),
2950 tx_ring->producer, tx_ring->sw_consumer,
2951 le32_to_cpu(*(tx_ring->hw_consumer)));
2952
2953 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2954 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2955
2956 if (netif_msg_tx_done(adapter->ahw))
2957 dump_tx_ring_desc(tx_ring);
2958 }
2959}
2960
2961static void qlcnic_tx_timeout(struct net_device *netdev)
2962{
2963 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2964
af19b491
AKS		 2965 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2966 return;
2967
536faa61
SC		 2968 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2969 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2970 if (qlcnic_82xx_check(adapter))
2971 adapter->need_fw_reset = 1;
2972 else if (qlcnic_83xx_check(adapter))
2973 qlcnic_83xx_idc_request_reset(adapter,
2974 QLCNIC_FORCE_FW_DUMP_KEY);
2975 } else {
2976 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
95b3890a 2977 qlcnic_dump_tx_rings(adapter);
79788450 2978 adapter->ahw->reset_context = 1;
536faa61 2979 }
af19b491
AKS		 2980}
2981
2982static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2983{
2984 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2985 struct net_device_stats *stats = &netdev->stats;
2986
1ac6762a
MC		 2987 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2988 qlcnic_update_stats(adapter);
2989
af19b491
AKS		 2990 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2991 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2992 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2993 stats->tx_bytes = adapter->stats.txbytes;
2994 stats->rx_dropped = adapter->stats.rxdropped;
2995 stats->tx_dropped = adapter->stats.txdropped;
2996
2997 return stats;
2998}
2999
21041400 3000static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 3001{
af19b491
AKS		 3002 u32 status;
3003
3004 status = readl(adapter->isr_int_vec);
3005
79788450 3006 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 3007 return IRQ_NONE;
3008
3009 /* check interrupt state machine, to be sure */
3010 status = readl(adapter->crb_int_state_reg);
3011 if (!ISR_LEGACY_INT_TRIGGERED(status))
3012 return IRQ_NONE;
3013
3014 writel(0xffffffff, adapter->tgt_status_reg);
3015 /* read twice to ensure write is flushed */
3016 readl(adapter->isr_int_vec);
3017 readl(adapter->isr_int_vec);
3018
7eb9855d
AKS		 3019 return IRQ_HANDLED;
3020}
3021
3022static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3023{
3024 struct qlcnic_host_sds_ring *sds_ring = data;
3025 struct qlcnic_adapter *adapter = sds_ring->adapter;
3026
3027 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3028 goto done;
3029 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3030 writel(0xffffffff, adapter->tgt_status_reg);
3031 goto done;
3032 }
3033
3034 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3035 return IRQ_NONE;
3036
3037done:
79788450 3038 adapter->ahw->diag_cnt++;
2cc5752e 3039 qlcnic_enable_sds_intr(adapter, sds_ring);
7eb9855d
AKS		 3040 return IRQ_HANDLED;
3041}
3042
3043static irqreturn_t qlcnic_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 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3049 return IRQ_NONE;
3050
af19b491
AKS		 3051 napi_schedule(&sds_ring->napi);
3052
3053 return IRQ_HANDLED;
3054}
3055
3056static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3057{
3058 struct qlcnic_host_sds_ring *sds_ring = data;
3059 struct qlcnic_adapter *adapter = sds_ring->adapter;
3060
3061 /* clear interrupt */
3062 writel(0xffffffff, adapter->tgt_status_reg);
3063
3064 napi_schedule(&sds_ring->napi);
3065 return IRQ_HANDLED;
3066}
3067
3068static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3069{
3070 struct qlcnic_host_sds_ring *sds_ring = data;
3071
3072 napi_schedule(&sds_ring->napi);
3073 return IRQ_HANDLED;
3074}
3075
13159183
SC		 3076static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3077{
3078 struct qlcnic_host_tx_ring *tx_ring = data;
3079
3080 napi_schedule(&tx_ring->napi);
3081 return IRQ_HANDLED;
3082}
3083
af19b491
AKS		 3084#ifdef CONFIG_NET_POLL_CONTROLLER
3085static void qlcnic_poll_controller(struct net_device *netdev)
3086{
3087 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2b018ad9
M		 3088 struct qlcnic_host_sds_ring *sds_ring;
3089 struct qlcnic_recv_context *recv_ctx;
3090 struct qlcnic_host_tx_ring *tx_ring;
3091 int ring;
3092
3093 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3094 return;
3095
3096 recv_ctx = adapter->recv_ctx;
bf82791e 3097
34e8c406 3098 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
bf82791e 3099 sds_ring = &recv_ctx->sds_rings[ring];
2b018ad9
M		 3100 qlcnic_disable_sds_intr(adapter, sds_ring);
3101 napi_schedule(&sds_ring->napi);
3102 }
3103
3104 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3105 /* Only Multi-Tx queue capable devices need to
3106 * schedule NAPI for TX rings
3107 */
3108 if ((qlcnic_83xx_check(adapter) &&
3109 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3110 (qlcnic_82xx_check(adapter) &&
3111 !qlcnic_check_multi_tx(adapter)))
3112 return;
3113
3114 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3115 tx_ring = &adapter->tx_ring[ring];
3116 qlcnic_disable_tx_intr(adapter, tx_ring);
3117 napi_schedule(&tx_ring->napi);
3118 }
bf82791e 3119 }
af19b491
AKS		 3120}
3121#endif
3122
6df900e9
SC		 3123static void
3124qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3125{
3126 u32 val;
3127
3128 val = adapter->portnum & 0xf;
3129 val |= encoding << 7;
3130 val |= (jiffies - adapter->dev_rst_time) << 8;
3131
a15ebd37 3132 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 3133 adapter->dev_rst_time = jiffies;
3134}
3135
ade91f8e
AKS		 3136static int
3137qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 3138{
3139 u32 val;
3140
3141 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3142 state != QLCNIC_DEV_NEED_QUISCENT);
3143
3144 if (qlcnic_api_lock(adapter))
ade91f8e 3145 return -EIO;
af19b491 3146
a15ebd37 3147 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 3148
3149 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 3150 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 3151 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 3152 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 3153
a15ebd37 3154 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3155
3156 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 3157
3158 return 0;
af19b491
AKS		 3159}
3160
1b95a839
AKS		 3161static int
3162qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3163{
3164 u32 val;
3165
3166 if (qlcnic_api_lock(adapter))
3167 return -EBUSY;
3168
a15ebd37 3169 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3170 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3171 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 3172
3173 qlcnic_api_unlock(adapter);
3174
3175 return 0;
3176}
3177
486a5bc7 3178void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 3179{
3180 u32 val;
3181
3182 if (qlcnic_api_lock(adapter))
3183 goto err;
3184
a15ebd37 3185 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 3186 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 3187 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 3188
21854f02 3189 if (failed) {
a15ebd37
HM		 3190 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3191 QLCNIC_DEV_FAILED);
21854f02
AKS		 3192 dev_info(&adapter->pdev->dev,
3193 "Device state set to Failed. Please Reboot\n");
3194 } else if (!(val & 0x11111111))
a15ebd37
HM		 3195 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3196 QLCNIC_DEV_COLD);
af19b491 3197
a15ebd37 3198 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3199 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3200 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3201
3202 qlcnic_api_unlock(adapter);
3203err:
3204 adapter->fw_fail_cnt = 0;
032a13c7 3205 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 3206 clear_bit(__QLCNIC_START_FW, &adapter->state);
3207 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3208}
3209
f73dfc50 3210/* Grab api lock, before checking state */
af19b491
AKS		 3211static int
3212qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3213{
602ca6f0 3214 int act, state, active_mask;
a15ebd37 3215 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 3216
a15ebd37
HM		 3217 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3218 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 3219
602ca6f0 3220 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 3221 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 3222 act = act & active_mask;
3223 }
3224
af19b491
AKS		 3225 if (((state & 0x11111111) == (act & 0x11111111)) ||
3226 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3227 return 0;
3228 else
3229 return 1;
3230}
3231
96f8118c
SC		 3232static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3233{
a15ebd37 3234 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 3235
3236 if (val != QLCNIC_DRV_IDC_VER) {
3237 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3238 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3239 }
3240
3241 return 0;
3242}
3243
af19b491
AKS		 3244static int
3245qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3246{
3247 u32 val, prev_state;
aa5e18c0 3248 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 3249 u8 portnum = adapter->portnum;
96f8118c 3250 u8 ret;
af19b491 3251
f73dfc50
AKS		 3252 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3253 return 1;
3254
af19b491
AKS		 3255 if (qlcnic_api_lock(adapter))
3256 return -1;
3257
a15ebd37 3258 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 3259 if (!(val & (1 << (portnum * 4)))) {
3260 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 3261 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3262 }
3263
a15ebd37 3264 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3265 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3266
3267 switch (prev_state) {
3268 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3269 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3270 QLCNIC_DEV_INITIALIZING);
3271 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3272 QLCNIC_DRV_IDC_VER);
6df900e9 3273 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3274 qlcnic_api_unlock(adapter);
3275 return 1;
3276
3277 case QLCNIC_DEV_READY:
96f8118c 3278 ret = qlcnic_check_idc_ver(adapter);
af19b491 3279 qlcnic_api_unlock(adapter);
96f8118c 3280 return ret;
af19b491
AKS		 3281
3282 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3283 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3284 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3285 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3286 break;
3287
3288 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3289 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3290 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3291 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3292 break;
3293
3294 case QLCNIC_DEV_FAILED:
a7fc948f 3295 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3296 qlcnic_api_unlock(adapter);
3297 return -1;
bbd8c6a4
AKS		 3298
3299 case QLCNIC_DEV_INITIALIZING:
3300 case QLCNIC_DEV_QUISCENT:
3301 break;
af19b491
AKS		 3302 }
3303
3304 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3305
3306 do {
af19b491 3307 msleep(1000);
a15ebd37 3308 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3309
3310 if (prev_state == QLCNIC_DEV_QUISCENT)
3311 continue;
3312 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3313
65b5b420
AKS		 3314 if (!dev_init_timeo) {
3315 dev_err(&adapter->pdev->dev,
3316 "Waiting for device to initialize timeout\n");
af19b491 3317 return -1;
65b5b420 3318 }
af19b491
AKS		 3319
3320 if (qlcnic_api_lock(adapter))
3321 return -1;
3322
a15ebd37 3323 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3324 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3325 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3326
96f8118c 3327 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3328 qlcnic_api_unlock(adapter);
3329
96f8118c 3330 return ret;
af19b491
AKS		 3331}
3332
3333static void
3334qlcnic_fwinit_work(struct work_struct *work)
3335{
3336 struct qlcnic_adapter *adapter = container_of(work,
3337 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3338 u32 dev_state = 0xf;
7b749ff4 3339 u32 val;
af19b491 3340
f73dfc50
AKS		 3341 if (qlcnic_api_lock(adapter))
3342 goto err_ret;
af19b491 3343
a15ebd37 3344 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3345 if (dev_state == QLCNIC_DEV_QUISCENT ||
3346 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3347 qlcnic_api_unlock(adapter);
3348 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3349 FW_POLL_DELAY * 2);
3350 return;
3351 }
3352
79788450 3353 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3354 qlcnic_api_unlock(adapter);
3355 goto wait_npar;
9f26f547
AC		 3356 }
3357
16e3cf73
SV		 3358 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3359 dev_state == QLCNIC_DEV_READY) {
3360 dev_info(&adapter->pdev->dev, "Detected state change from "
3361 "DEV_NEED_RESET, skipping ack check\n");
3362 goto skip_ack_check;
3363 }
3364
f73dfc50 3365 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3366 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3367 adapter->reset_ack_timeo);
3368 goto skip_ack_check;
3369 }
3370
3371 if (!qlcnic_check_drv_state(adapter)) {
3372skip_ack_check:
a15ebd37 3373 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3374
f73dfc50 3375 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3376 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3377 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3378 set_bit(__QLCNIC_START_FW, &adapter->state);
3379 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3380 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3381 val = QLC_SHARED_REG_RD32(adapter,
3382 QLCNIC_CRB_DRV_STATE);
7b749ff4 3383 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3384 QLC_SHARED_REG_WR32(adapter,
3385 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3386 }
3387
f73dfc50
AKS		 3388 qlcnic_api_unlock(adapter);
3389
287e38aa 3390 rtnl_lock();
890b6e02 3391 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3392 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3393 QLCDB(adapter, DRV, "Take FW dump\n");
3394 qlcnic_dump_fw(adapter);
032a13c7 3395 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3396 }
287e38aa 3397 rtnl_unlock();
7b749ff4
SV		 3398
3399 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3400 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3401 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3402 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3403 return;
3404 }
af19b491
AKS		 3405 goto err_ret;
3406 }
3407
f73dfc50 3408 qlcnic_api_unlock(adapter);
aa5e18c0 3409
9f26f547 3410wait_npar:
a15ebd37 3411 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3412 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3413
af19b491 3414 switch (dev_state) {
3c4b23b1 3415 case QLCNIC_DEV_READY:
7e2cf4fe 3416 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3417 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3418 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3419 return;
3420 }
3c4b23b1
AKS		 3421 case QLCNIC_DEV_FAILED:
3422 break;
3423 default:
3424 qlcnic_schedule_work(adapter,
3425 qlcnic_fwinit_work, FW_POLL_DELAY);
3426 return;
af19b491
AKS		 3427 }
3428
3429err_ret:
f73dfc50
AKS		 3430 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3431 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3432 netif_device_attach(adapter->netdev);
21854f02 3433 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3434}
3435
3436static void
3437qlcnic_detach_work(struct work_struct *work)
3438{
3439 struct qlcnic_adapter *adapter = container_of(work,
3440 struct qlcnic_adapter, fw_work.work);
3441 struct net_device *netdev = adapter->netdev;
3442 u32 status;
3443
3444 netif_device_detach(netdev);
3445
b8c17620
AKS		 3446 /* Dont grab rtnl lock during Quiscent mode */
3447 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3448 if (netif_running(netdev))
3449 __qlcnic_down(adapter, netdev);
3450 } else
3451 qlcnic_down(adapter, netdev);
af19b491 3452
a15ebd37 3453 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3454
44f65b29
SC		 3455 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3456 dev_err(&adapter->pdev->dev,
3457 "Detaching the device: peg halt status1=0x%x\n",
3458 status);
3459
3460 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3461 dev_err(&adapter->pdev->dev,
3462 "On board active cooling fan failed. "
3463 "Device has been halted.\n");
3464 dev_err(&adapter->pdev->dev,
3465 "Replace the adapter.\n");
3466 }
3467
af19b491 3468 goto err_ret;
44f65b29 3469 }
af19b491 3470
79788450 3471 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3472 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3473 adapter->ahw->temp);
af19b491 3474 goto err_ret;
44f65b29
SC		 3475 }
3476
602ca6f0
SV		 3477 /* Dont ack if this instance is the reset owner */
3478 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3479 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3480 dev_err(&adapter->pdev->dev,
3481 "Failed to set driver state,"
3482 "detaching the device.\n");
602ca6f0 3483 goto err_ret;
44f65b29 3484 }
602ca6f0 3485 }
af19b491
AKS		 3486
3487 adapter->fw_wait_cnt = 0;
3488
3489 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3490
3491 return;
3492
3493err_ret:
34ce3626 3494 netif_device_attach(netdev);
21854f02 3495 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3496}
3497
3c4b23b1
AKS		 3498/*Transit NPAR state to NON Operational */
3499static void
3500qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3501{
3502 u32 state;
3503
a15ebd37 3504 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3505 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3506 return;
3507
3508 if (qlcnic_api_lock(adapter))
3509 return;
a15ebd37
HM		 3510 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3511 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3512 qlcnic_api_unlock(adapter);
3513}
3514
21041400 3515static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3516 u32 key)
af19b491 3517{
646779f1
SV		 3518 u32 state, xg_val = 0, gb_val = 0;
3519
3520 qlcnic_xg_set_xg0_mask(xg_val);
3521 qlcnic_xg_set_xg1_mask(xg_val);
3522 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3523 qlcnic_gb_set_gb0_mask(gb_val);
3524 qlcnic_gb_set_gb1_mask(gb_val);
3525 qlcnic_gb_set_gb2_mask(gb_val);
3526 qlcnic_gb_set_gb3_mask(gb_val);
3527 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3528 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3529 " on all ports\n");
cea8975e 3530 adapter->need_fw_reset = 1;
13159183 3531
af19b491
AKS		 3532 if (qlcnic_api_lock(adapter))
3533 return;
3534
13159183 3535 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3536
3537 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3538 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3539 __func__);
3540 qlcnic_api_unlock(adapter);
3541
3542 return;
3543 }
af19b491 3544
f73dfc50 3545 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3546 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3547 QLCNIC_DEV_NEED_RESET);
602ca6f0 3548 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3549 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3550 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3551 }
3552
13159183
SC		 3553 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3554 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3555 qlcnic_api_unlock(adapter);
3556}
3557
9f26f547
AC		 3558/* Transit to NPAR READY state from NPAR NOT READY state */
3559static void
3560qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3561{
9f26f547
AC		 3562 if (qlcnic_api_lock(adapter))
3563 return;
3564
a15ebd37
HM		 3565 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3566 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3567 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3568
3569 qlcnic_api_unlock(adapter);
3570}
3571
13159183
SC		 3572void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3573 work_func_t func, int delay)
af19b491 3574{
451724c8
SC		 3575 if (test_bit(__QLCNIC_AER, &adapter->state))
3576 return;
3577
af19b491 3578 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3579 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3580 round_jiffies_relative(delay));
af19b491
AKS		 3581}
3582
3583static void
3584qlcnic_attach_work(struct work_struct *work)
3585{
3586 struct qlcnic_adapter *adapter = container_of(work,
3587 struct qlcnic_adapter, fw_work.work);
3588 struct net_device *netdev = adapter->netdev;
b18971d1 3589 u32 npar_state;
af19b491 3590
79788450 3591 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3592 npar_state = QLC_SHARED_REG_RD32(adapter,
3593 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3594 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3595 qlcnic_clr_all_drv_state(adapter, 0);
3596 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3597 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3598 FW_POLL_DELAY);
3599 else
3600 goto attach;
3601 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3602 return;
3603 }
3604attach:
1de899d3 3605 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3606
af19b491 3607 if (netif_running(netdev)) {
52486a3a 3608 if (qlcnic_up(adapter, netdev))
af19b491 3609 goto done;
af19b491 3610
aec1e845 3611 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3612 }
3613
af19b491 3614done:
34ce3626 3615 netif_device_attach(netdev);
af19b491 3616 adapter->fw_fail_cnt = 0;
032a13c7 3617 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3618 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3619 if (adapter->portnum == 0)
3620 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3621
3622 if (!qlcnic_clr_drv_state(adapter))
3623 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3624 FW_POLL_DELAY);
af19b491
AKS		 3625}
3626
3627static int
3628qlcnic_check_health(struct qlcnic_adapter *adapter)
3629{
891e71b1
PP		 3630 struct qlcnic_hardware_context *ahw = adapter->ahw;
3631 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3632 u32 state = 0, heartbeat;
853d4bca 3633 u32 peg_status;
4bd8e738 3634 int err = 0;
af19b491
AKS		 3635
3636 if (qlcnic_check_temp(adapter))
3637 goto detach;
3638
2372a5f1 3639 if (adapter->need_fw_reset)
7e2cf4fe 3640 qlcnic_dev_request_reset(adapter, 0);
af19b491 3641
a15ebd37 3642 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3643 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3644 qlcnic_set_npar_non_operational(adapter);
af19b491 3645 adapter->need_fw_reset = 1;
b8c17620
AKS		 3646 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3647 goto detach;
af19b491 3648
a15ebd37 3649 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3650 if (heartbeat != adapter->heartbeat) {
3651 adapter->heartbeat = heartbeat;
af19b491
AKS		 3652 adapter->fw_fail_cnt = 0;
3653 if (adapter->need_fw_reset)
3654 goto detach;
68bf1c68 3655
891e71b1 3656 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3657 qlcnic_reset_hw_context(adapter);
68bf1c68 3658
af19b491
AKS		 3659 return 0;
3660 }
3661
3662 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3663 return 0;
3664
032a13c7
SV		 3665 adapter->flags |= QLCNIC_FW_HANG;
3666
7e2cf4fe 3667 qlcnic_dev_request_reset(adapter, 0);
af19b491 3668
099f7aa7 3669 if (qlcnic_auto_fw_reset)
0df170b6 3670 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3671
853d4bca 3672 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3673 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3674 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3675 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3676 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3677 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3678 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3679 peg_status,
3680 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3681 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3682 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3683 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3684 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3685 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3686 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3687 dev_err(&adapter->pdev->dev,
3688 "Firmware aborted with error code 0x00006700. "
3689 "Device is being reset.\n");
af19b491
AKS		 3690detach:
3691 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3692 QLCNIC_DEV_NEED_RESET;
3693
099f7aa7
SC		 3694 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3695 &adapter->state)) {
65b5b420 3696
af19b491 3697 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3698 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3699 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3700 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3701 qlcnic_dump_fw(adapter);
65b5b420 3702 }
af19b491
AKS		 3703
3704 return 1;
3705}
3706
486a5bc7 3707void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3708{
3709 struct qlcnic_adapter *adapter = container_of(work,
3710 struct qlcnic_adapter, fw_work.work);
3711
3712 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3713 goto reschedule;
3714
3715
3716 if (qlcnic_check_health(adapter))
3717 return;
3718
b5e5492c
AKS		 3719 if (adapter->fhash.fnum)
3720 qlcnic_prune_lb_filters(adapter);
3721
af19b491
AKS		 3722reschedule:
3723 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3724}
3725
451724c8
SC		 3726static int qlcnic_is_first_func(struct pci_dev *pdev)
3727{
3728 struct pci_dev *oth_pdev;
3729 int val = pdev->devfn;
3730
3731 while (val-- > 0) {
3732 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3733 (pdev->bus), pdev->bus->number,
3734 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3735 if (!oth_pdev)
3736 continue;
451724c8 3737
bfc978fa
AKS		 3738 if (oth_pdev->current_state != PCI_D3cold) {
3739 pci_dev_put(oth_pdev);
451724c8 3740 return 0;
bfc978fa
AKS		 3741 }
3742 pci_dev_put(oth_pdev);
451724c8
SC		 3743 }
3744 return 1;
3745}
3746
3747static int qlcnic_attach_func(struct pci_dev *pdev)
3748{
3749 int err, first_func;
3750 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3751 struct net_device *netdev = adapter->netdev;
3752
3753 pdev->error_state = pci_channel_io_normal;
3754
3755 err = pci_enable_device(pdev);
3756 if (err)
3757 return err;
3758
451724c8
SC		 3759 pci_set_master(pdev);
3760 pci_restore_state(pdev);
3761
3762 first_func = qlcnic_is_first_func(pdev);
3763
3764 if (qlcnic_api_lock(adapter))
3765 return -EINVAL;
3766
79788450 3767 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3768 adapter->need_fw_reset = 1;
3769 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3770 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3771 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3772 QLCDB(adapter, DRV, "Restarting fw\n");
3773 }
3774 qlcnic_api_unlock(adapter);
3775
13159183 3776 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3777 if (err)
3778 return err;
3779
3780 qlcnic_clr_drv_state(adapter);
13159183
SC		 3781 kfree(adapter->msix_entries);
3782 adapter->msix_entries = NULL;
34e8c406 3783 err = qlcnic_setup_intr(adapter);
13159183 3784
9a97e705
M		 3785 if (err) {
3786 kfree(adapter->msix_entries);
3787 netdev_err(netdev, "failed to setup interrupt\n");
3788 return err;
3789 }
3790
451724c8
SC		 3791 if (netif_running(netdev)) {
3792 err = qlcnic_attach(adapter);
3793 if (err) {
21854f02 3794 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3795 clear_bit(__QLCNIC_AER, &adapter->state);
3796 netif_device_attach(netdev);
3797 return err;
3798 }
3799
3800 err = qlcnic_up(adapter, netdev);
3801 if (err)
3802 goto done;
3803
aec1e845 3804 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3805 }
3806 done:
3807 netif_device_attach(netdev);
3808 return err;
3809}
3810
21041400 3811static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3812 pci_channel_state_t state)
451724c8
SC		 3813{
3814 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3815 struct net_device *netdev = adapter->netdev;
3816
3817 if (state == pci_channel_io_perm_failure)
3818 return PCI_ERS_RESULT_DISCONNECT;
3819
3820 if (state == pci_channel_io_normal)
3821 return PCI_ERS_RESULT_RECOVERED;
3822
3823 set_bit(__QLCNIC_AER, &adapter->state);
3824 netif_device_detach(netdev);
3825
3826 cancel_delayed_work_sync(&adapter->fw_work);
3827
3828 if (netif_running(netdev))
3829 qlcnic_down(adapter, netdev);
3830
3831 qlcnic_detach(adapter);
3832 qlcnic_teardown_intr(adapter);
3833
3834 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3835
3836 pci_save_state(pdev);
3837 pci_disable_device(pdev);
3838
3839 return PCI_ERS_RESULT_NEED_RESET;
3840}
3841
21041400 3842static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3843{
3844 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3845 PCI_ERS_RESULT_RECOVERED;
3846}
3847
21041400 3848static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3849{
a15ebd37 3850 u32 state;
451724c8
SC		 3851 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3852
3853 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3854 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3855 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3856 &adapter->state))
451724c8 3857 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3858 FW_POLL_DELAY);
451724c8
SC		 3859}
3860
4460f2e8
PP		 3861static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3862 pci_channel_state_t state)
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_error_detected) {
3868 return hw_ops->io_error_detected(pdev, state);
3869 } else {
3870 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3871 return PCI_ERS_RESULT_DISCONNECT;
3872 }
3873}
3874
3875static pci_ers_result_t qlcnic_io_slot_reset(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_slot_reset) {
3881 return hw_ops->io_slot_reset(pdev);
3882 } else {
3883 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3884 return PCI_ERS_RESULT_DISCONNECT;
3885 }
3886}
3887
3888static void qlcnic_io_resume(struct pci_dev *pdev)
3889{
3890 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3891 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3892
3893 if (hw_ops->io_resume)
3894 hw_ops->io_resume(pdev);
3895 else
3896 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3897}
3898
3899
87eb743b
AC		 3900static int
3901qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3902{
3903 int err;
3904
3905 err = qlcnic_can_start_firmware(adapter);
3906 if (err)
3907 return err;
3908
78f84e1a
AKS		 3909 err = qlcnic_check_npar_opertional(adapter);
3910 if (err)
3911 return err;
3c4b23b1 3912
174240a8
RB		 3913 err = qlcnic_initialize_nic(adapter);
3914 if (err)
3915 return err;
3916
87eb743b
AC		 3917 qlcnic_check_options(adapter);
3918
7373373d
RB		 3919 err = qlcnic_set_eswitch_port_config(adapter);
3920 if (err)
3921 return err;
3922
87eb743b
AC		 3923 adapter->need_fw_reset = 0;
3924
3925 return err;
3926}
3927
34e8c406
HM		 3928int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3929 int queue_type)
aa4a1f7d
HM		 3930{
3931 struct net_device *netdev = adapter->netdev;
34e8c406
HM		 3932 u8 max_hw_rings = 0;
3933 char buf[8];
3934 int cur_rings;
3935
3936 if (queue_type == QLCNIC_RX_QUEUE) {
3937 max_hw_rings = adapter->max_sds_rings;
3938 cur_rings = adapter->drv_sds_rings;
3939 strcpy(buf, "SDS");
3940 } else if (queue_type == QLCNIC_TX_QUEUE) {
18afc102 3941 max_hw_rings = adapter->max_tx_rings;
34e8c406
HM		 3942 cur_rings = adapter->drv_tx_rings;
3943 strcpy(buf, "Tx");
aa4a1f7d
HM		 3944 }
3945
b7520d2b 3946 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
34e8c406 3947 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
aa4a1f7d
HM		 3948 return -EINVAL;
3949 }
3950
34e8c406
HM		 3951 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3952 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
aa4a1f7d
HM		 3953 return -EINVAL;
3954 }
3955
34e8c406
HM		 3956 if (!is_power_of_2(ring_cnt)) {
3957 netdev_err(netdev, "%s rings value should be a power of 2\n",
3958 buf);
aa4a1f7d
HM		 3959 return -EINVAL;
3960 }
3961
34e8c406
HM		 3962 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3963 !qlcnic_check_multi_tx(adapter)) {
3964 netdev_err(netdev, "No Multi Tx queue support\n");
3965 return -EINVAL;
f94bc1e7
SC		 3966 }
3967
34e8c406
HM		 3968 if (ring_cnt > num_online_cpus()) {
3969 netdev_err(netdev,
3970 "%s value[%u] should not be higher than, number of online CPUs\n",
3971 buf, num_online_cpus());
f94bc1e7
SC		 3972 return -EINVAL;
3973 }
34e8c406 3974
f94bc1e7 3975 return 0;
f94bc1e7
SC		 3976}
3977
cb9327d5 3978int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
f94bc1e7
SC		 3979{
3980 struct net_device *netdev = adapter->netdev;
34e8c406 3981 int err;
f94bc1e7 3982
319ecf12
SC		 3983 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3984 return -EBUSY;
3985
f94bc1e7
SC		 3986 netif_device_detach(netdev);
3987 if (netif_running(netdev))
3988 __qlcnic_down(adapter, netdev);
13159183 3989
7dd90cf1
SC		 3990 qlcnic_detach(adapter);
3991
7ed3ce48 3992 if (qlcnic_83xx_check(adapter)) {
13159183 3993 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3994 qlcnic_83xx_enable_mbx_poll(adapter);
3995 }
13159183 3996
f94bc1e7 3997 qlcnic_teardown_intr(adapter);
aa4a1f7d 3998
34e8c406 3999 err = qlcnic_setup_intr(adapter);
9a97e705
M		 4000 if (err) {
4001 kfree(adapter->msix_entries);
4002 netdev_err(netdev, "failed to setup interrupt\n");
4003 return err;
4004 }
f94bc1e7 4005
cb9327d5
HM		 4006 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
4007
13159183 4008 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 4009 qlcnic_83xx_initialize_nic(adapter, 1);
13159183 4010 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 4011 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 4012 if (err) {
4013 dev_err(&adapter->pdev->dev,
4014 "failed to setup mbx interrupt\n");
4015 goto done;
4016 }
f94bc1e7
SC		 4017 }
4018
4019 if (netif_running(netdev)) {
4020 err = qlcnic_attach(adapter);
4021 if (err)
4022 goto done;
4023 err = __qlcnic_up(adapter, netdev);
4024 if (err)
4025 goto done;
4026 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4027 }
aa4a1f7d 4028done:
f94bc1e7
SC		 4029 netif_device_attach(netdev);
4030 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4031 return err;
4032}
4033
af19b491
AKS		 4034#ifdef CONFIG_INET
4035
4036#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4037
af19b491 4038static void
aec1e845
AKS		 4039qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4040 struct net_device *dev, unsigned long event)
af19b491
AKS		 4041{
4042 struct in_device *indev;
af19b491 4043
af19b491
AKS		 4044 indev = in_dev_get(dev);
4045 if (!indev)
4046 return;
4047
4048 for_ifa(indev) {
4049 switch (event) {
4050 case NETDEV_UP:
4051 qlcnic_config_ipaddr(adapter,
4052 ifa->ifa_address, QLCNIC_IP_UP);
4053 break;
4054 case NETDEV_DOWN:
4055 qlcnic_config_ipaddr(adapter,
4056 ifa->ifa_address, QLCNIC_IP_DOWN);
4057 break;
4058 default:
4059 break;
4060 }
4061 } endfor_ifa(indev);
4062
4063 in_dev_put(indev);
af19b491
AKS		 4064}
4065
319ecf12 4066void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 4067{
4068 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4069 struct net_device *dev;
4070 u16 vid;
4071
4072 qlcnic_config_indev_addr(adapter, netdev, event);
4073
43c00a75 4074 rcu_read_lock();
b9796a14 4075 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 4076 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 4077 if (!dev)
4078 continue;
aec1e845
AKS		 4079 qlcnic_config_indev_addr(adapter, dev, event);
4080 }
43c00a75 4081 rcu_read_unlock();
aec1e845
AKS		 4082}
4083
af19b491
AKS		 4084static int qlcnic_netdev_event(struct notifier_block *this,
4085 unsigned long event, void *ptr)
4086{
4087 struct qlcnic_adapter *adapter;
351638e7 4088 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 4089
4090recheck:
4091 if (dev == NULL)
4092 goto done;
4093
4094 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4095 dev = vlan_dev_real_dev(dev);
4096 goto recheck;
4097 }
4098
4099 if (!is_qlcnic_netdev(dev))
4100 goto done;
4101
4102 adapter = netdev_priv(dev);
4103
4104 if (!adapter)
4105 goto done;
4106
8a15ad1f 4107 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4108 goto done;
4109
aec1e845 4110 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4111done:
4112 return NOTIFY_DONE;
4113}
4114
4115static int
4116qlcnic_inetaddr_event(struct notifier_block *this,
4117 unsigned long event, void *ptr)
4118{
4119 struct qlcnic_adapter *adapter;
4120 struct net_device *dev;
4121
4122 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4123
4124 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4125
4126recheck:
aec1e845 4127 if (dev == NULL)
af19b491
AKS		 4128 goto done;
4129
4130 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4131 dev = vlan_dev_real_dev(dev);
4132 goto recheck;
4133 }
4134
4135 if (!is_qlcnic_netdev(dev))
4136 goto done;
4137
4138 adapter = netdev_priv(dev);
4139
251a84c9 4140 if (!adapter)
af19b491
AKS		 4141 goto done;
4142
8a15ad1f 4143 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4144 goto done;
4145
4146 switch (event) {
4147 case NETDEV_UP:
4148 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 4149
af19b491
AKS		 4150 break;
4151 case NETDEV_DOWN:
4152 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 4153
af19b491
AKS		 4154 break;
4155 default:
4156 break;
4157 }
4158
4159done:
4160 return NOTIFY_DONE;
4161}
4162
4163static struct notifier_block qlcnic_netdev_cb = {
4164 .notifier_call = qlcnic_netdev_event,
4165};
4166
4167static struct notifier_block qlcnic_inetaddr_cb = {
4168 .notifier_call = qlcnic_inetaddr_event,
4169};
4170#else
f8ca2b6f 4171void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4172{ }
4173#endif
fec9dd15 4174static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 4175 .error_detected = qlcnic_io_error_detected,
4176 .slot_reset = qlcnic_io_slot_reset,
4177 .resume = qlcnic_io_resume,
4178};
af19b491
AKS		 4179
4180static struct pci_driver qlcnic_driver = {
4181 .name = qlcnic_driver_name,
4182 .id_table = qlcnic_pci_tbl,
4183 .probe = qlcnic_probe,
6bb58bb0 4184 .remove = qlcnic_remove,
af19b491
AKS		 4185#ifdef CONFIG_PM
4186 .suspend = qlcnic_suspend,
4187 .resume = qlcnic_resume,
4188#endif
451724c8 4189 .shutdown = qlcnic_shutdown,
02feda17
RB		 4190 .err_handler = &qlcnic_err_handler,
4191#ifdef CONFIG_QLCNIC_SRIOV
4192 .sriov_configure = qlcnic_pci_sriov_configure,
4193#endif
451724c8 4194
af19b491
AKS		 4195};
4196
4197static int __init qlcnic_init_module(void)
4198{
0cf3a14c 4199 int ret;
af19b491
AKS		 4200
4201 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4202
4203#ifdef CONFIG_INET
4204 register_netdevice_notifier(&qlcnic_netdev_cb);
4205 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4206#endif
4207
0cf3a14c
AKS		 4208 ret = pci_register_driver(&qlcnic_driver);
4209 if (ret) {
4210#ifdef CONFIG_INET
4211 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4212 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4213#endif
4214 }
af19b491 4215
0cf3a14c 4216 return ret;
af19b491
AKS		 4217}
4218
4219module_init(qlcnic_init_module);
4220
4221static void __exit qlcnic_exit_module(void)
4222{
af19b491
AKS		 4223 pci_unregister_driver(&qlcnic_driver);
4224
4225#ifdef CONFIG_INET
4226 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4227 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4228#endif
4229}
4230
4231module_exit(qlcnic_exit_module);
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