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qlcnic: Multi Tx queue support for 82xx Series adapter.
[linux-2.6-block.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
9fd13331 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
9fd13331 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
9fd13331 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
9fd13331 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
1dd06ae8 55static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 56static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 57static int qlcnic_open(struct net_device *netdev);
58static int qlcnic_close(struct net_device *netdev);
af19b491 59static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 60static void qlcnic_attach_work(struct work_struct *work);
61static void qlcnic_fwinit_work(struct work_struct *work);
af19b491
AKS		 62#ifdef CONFIG_NET_POLL_CONTROLLER
63static void qlcnic_poll_controller(struct net_device *netdev);
64#endif
65
6df900e9 66static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
af19b491
AKS		 67static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
68
7eb9855d 69static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 70static irqreturn_t qlcnic_intr(int irq, void *data);
71static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 73static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 74
75static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 76static int qlcnic_start_firmware(struct qlcnic_adapter *);
77
b5e5492c 78static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 79static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 80static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 81static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 83
13159183
SC		 84static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
85{
86 struct qlcnic_hardware_context *ahw = adapter->ahw;
87
88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
90 else
91 return 1;
92}
93
af19b491
AKS		 94/* PCI Device ID Table */
95#define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
98
6a902881 99static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
15ca140f
MC		 103 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
104 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
af19b491
AKS		 105 {0,}
106};
107
108MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
109
110
5ad6ff9d 111inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 112{
113 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 114}
115
116static const u32 msi_tgt_status[8] = {
117 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
118 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
119 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
120 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
121};
122
7e2cf4fe
SC		 123static const u32 qlcnic_reg_tbl[] = {
124 0x1B20A8, /* PEG_HALT_STAT1 */
125 0x1B20AC, /* PEG_HALT_STAT2 */
126 0x1B20B0, /* FW_HEARTBEAT */
127 0x1B2100, /* LOCK ID */
128 0x1B2128, /* FW_CAPABILITIES */
129 0x1B2138, /* drv active */
130 0x1B2140, /* dev state */
131 0x1B2144, /* drv state */
132 0x1B2148, /* drv scratch */
133 0x1B214C, /* dev partition info */
134 0x1B2174, /* drv idc ver */
135 0x1B2150, /* fw version major */
136 0x1B2154, /* fw version minor */
137 0x1B2158, /* fw version sub */
138 0x1B219C, /* npar state */
139 0x1B21FC, /* FW_IMG_VALID */
140 0x1B2250, /* CMD_PEG_STATE */
141 0x1B233C, /* RCV_PEG_STATE */
142 0x1B23B4, /* ASIC TEMP */
143 0x1B216C, /* FW api */
144 0x1B2170, /* drv op mode */
145 0x13C010, /* flash lock */
146 0x13C014, /* flash unlock */
147};
148
22999798 149static const struct qlcnic_board_info qlcnic_boards[] = {
15ca140f
MC		 150 { PCI_VENDOR_ID_QLOGIC,
151 PCI_DEVICE_ID_QLOGIC_QLE844X,
152 0x0,
153 0x0,
154 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
e386cd4a
HM		 155 { PCI_VENDOR_ID_QLOGIC,
156 PCI_DEVICE_ID_QLOGIC_QLE834X,
157 PCI_VENDOR_ID_QLOGIC,
158 0x24e,
159 "8300 Series Dual Port 10GbE Converged Network Adapter "
160 "(TCP/IP Networking)" },
161 { PCI_VENDOR_ID_QLOGIC,
162 PCI_DEVICE_ID_QLOGIC_QLE834X,
163 PCI_VENDOR_ID_QLOGIC,
164 0x243,
165 "8300 Series Single Port 10GbE Converged Network Adapter "
166 "(TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
170 0x24a,
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 0x246,
177 "8300 Series Dual 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 0x252,
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 0x26e,
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 0x260,
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 0x266,
201 "8300 Series Single 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 0x269,
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 0x271,
213 "8300 Series Dual Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 0x0, 0x0, "8300 Series 1/10GbE Controller" },
218 { PCI_VENDOR_ID_QLOGIC,
219 PCI_DEVICE_ID_QLOGIC_QLE824X,
220 PCI_VENDOR_ID_QLOGIC,
221 0x203,
222 "8200 Series Single Port 10GbE Converged Network Adapter"
223 "(TCP/IP Networking)" },
224 { PCI_VENDOR_ID_QLOGIC,
225 PCI_DEVICE_ID_QLOGIC_QLE824X,
226 PCI_VENDOR_ID_QLOGIC,
227 0x207,
228 "8200 Series Dual Port 10GbE Converged Network Adapter"
229 "(TCP/IP Networking)" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
233 0x20b,
234 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
235 { PCI_VENDOR_ID_QLOGIC,
236 PCI_DEVICE_ID_QLOGIC_QLE824X,
237 PCI_VENDOR_ID_QLOGIC,
238 0x20c,
239 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 PCI_VENDOR_ID_QLOGIC,
243 0x20f,
244 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
245 { PCI_VENDOR_ID_QLOGIC,
246 PCI_DEVICE_ID_QLOGIC_QLE824X,
247 0x103c, 0x3733,
248 "NC523SFP 10Gb 2-port Server Adapter" },
249 { PCI_VENDOR_ID_QLOGIC,
250 PCI_DEVICE_ID_QLOGIC_QLE824X,
251 0x103c, 0x3346,
252 "CN1000Q Dual Port Converged Network Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
256 0x210,
257 "QME8242-k 10GbE Dual Port Mezzanine Card" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 261};
262
263#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
264
af19b491
AKS		 265static const
266struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
267
c70001a9 268int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 269{
270 int size = sizeof(struct qlcnic_host_sds_ring) * count;
271
272 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
273
807540ba 274 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 275}
276
c70001a9 277void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 278{
279 if (recv_ctx->sds_rings != NULL)
280 kfree(recv_ctx->sds_rings);
281
282 recv_ctx->sds_rings = NULL;
283}
284
f8468331 285int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 286{
2e9d722d 287 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 288 struct net_device *netdev = adapter->netdev;
289 struct pci_dev *pdev = adapter->pdev;
290
da48e6c3 291 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 292 return -EIO;
293
2e9d722d 294 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 295 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
296
297 /* set station address */
298
aaeb6cdf 299 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 300 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
301 netdev->dev_addr);
302
303 return 0;
304}
305
cffe52f3
MC		 306static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
307{
308 struct qlcnic_mac_list_s *cur;
309 struct list_head *head;
310
311 list_for_each(head, &adapter->mac_list) {
312 cur = list_entry(head, struct qlcnic_mac_list_s, list);
313 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
314 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
315 0, QLCNIC_MAC_DEL);
316 list_del(&cur->list);
317 kfree(cur);
318 return;
319 }
320 }
321}
322
af19b491
AKS		 323static int qlcnic_set_mac(struct net_device *netdev, void *p)
324{
325 struct qlcnic_adapter *adapter = netdev_priv(netdev);
326 struct sockaddr *addr = p;
327
7cb03b23
RB		 328 if (qlcnic_sriov_vf_check(adapter))
329 return -EINVAL;
330
7373373d
RB		 331 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
332 return -EOPNOTSUPP;
333
af19b491 334 if (!is_valid_ether_addr(addr->sa_data))
13159183 335 return -EINVAL;
af19b491 336
cffe52f3
MC		 337 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
338 return 0;
339
8a15ad1f 340 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 341 netif_device_detach(netdev);
342 qlcnic_napi_disable(adapter);
343 }
344
cffe52f3 345 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 346 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
347 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
348 qlcnic_set_multi(adapter->netdev);
349
8a15ad1f 350 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 351 netif_device_attach(netdev);
352 qlcnic_napi_enable(adapter);
353 }
354 return 0;
355}
356
1690be63
VY		 357static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
358 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 359{
360 struct qlcnic_adapter *adapter = netdev_priv(netdev);
361 int err = -EOPNOTSUPP;
362
3e5c112f
VY		 363 if (!adapter->fdb_mac_learn)
364 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 365
366 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
52e493d0
JK		 367 if (is_unicast_ether_addr(addr)) {
368 err = dev_uc_del(netdev, addr);
369 if (!err)
370 err = qlcnic_nic_del_mac(adapter, addr);
371 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 372 err = dev_mc_del(netdev, addr);
52e493d0 373 } else {
fe1adc6b 374 err = -EINVAL;
52e493d0 375 }
fe1adc6b
JK		 376 }
377 return err;
378}
379
380static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
381 struct net_device *netdev,
382 const unsigned char *addr, u16 flags)
383{
384 struct qlcnic_adapter *adapter = netdev_priv(netdev);
385 int err = 0;
386
3e5c112f
VY		 387 if (!adapter->fdb_mac_learn)
388 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 389
390 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
391 pr_info("%s: FDB e-switch is not enabled\n", __func__);
392 return -EOPNOTSUPP;
393 }
394
395 if (ether_addr_equal(addr, adapter->mac_addr))
396 return err;
397
52e493d0
JK		 398 if (is_unicast_ether_addr(addr)) {
399 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
400 err = dev_uc_add_excl(netdev, addr);
401 else
402 err = -ENOMEM;
403 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 404 err = dev_mc_add_excl(netdev, addr);
52e493d0 405 } else {
fe1adc6b 406 err = -EINVAL;
52e493d0 407 }
fe1adc6b
JK		 408
409 return err;
410}
411
412static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
413 struct net_device *netdev, int idx)
414{
415 struct qlcnic_adapter *adapter = netdev_priv(netdev);
416
3e5c112f
VY		 417 if (!adapter->fdb_mac_learn)
418 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 419
420 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
421 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
422
423 return idx;
424}
425
7e2cf4fe
SC		 426static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
427{
428 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
429 usleep_range(10000, 11000);
430
431 cancel_delayed_work_sync(&adapter->fw_work);
432}
433
af19b491
AKS		 434static const struct net_device_ops qlcnic_netdev_ops = {
435 .ndo_open = qlcnic_open,
436 .ndo_stop = qlcnic_close,
437 .ndo_start_xmit = qlcnic_xmit_frame,
438 .ndo_get_stats = qlcnic_get_stats,
439 .ndo_validate_addr = eth_validate_addr,
afc4b13d 440 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 441 .ndo_set_mac_address = qlcnic_set_mac,
442 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 443 .ndo_fix_features = qlcnic_fix_features,
444 .ndo_set_features = qlcnic_set_features,
af19b491 445 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 446 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
447 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 448 .ndo_fdb_add = qlcnic_fdb_add,
449 .ndo_fdb_del = qlcnic_fdb_del,
450 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 451#ifdef CONFIG_NET_POLL_CONTROLLER
452 .ndo_poll_controller = qlcnic_poll_controller,
453#endif
4000e7a7
RB		 454#ifdef CONFIG_QLCNIC_SRIOV
455 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
456 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
457 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 458 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 459 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 460#endif
af19b491
AKS		 461};
462
b43e5ee7
SC		 463static const struct net_device_ops qlcnic_netdev_failed_ops = {
464 .ndo_open = qlcnic_open,
465};
466
2e9d722d 467static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 468 .config_bridged_mode = qlcnic_config_bridged_mode,
469 .config_led = qlcnic_82xx_config_led,
470 .start_firmware = qlcnic_82xx_start_firmware,
471 .request_reset = qlcnic_82xx_dev_request_reset,
472 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
473 .napi_add = qlcnic_82xx_napi_add,
4be41e92 474 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 475 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 476 .shutdown = qlcnic_82xx_shutdown,
477 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 478 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
479};
480
481struct qlcnic_nic_template qlcnic_vf_ops = {
482 .config_bridged_mode = qlcnicvf_config_bridged_mode,
483 .config_led = qlcnicvf_config_led,
484 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 485};
486
7e2cf4fe
SC		 487static struct qlcnic_hardware_ops qlcnic_hw_ops = {
488 .read_crb = qlcnic_82xx_read_crb,
489 .write_crb = qlcnic_82xx_write_crb,
490 .read_reg = qlcnic_82xx_hw_read_wx_2M,
491 .write_reg = qlcnic_82xx_hw_write_wx_2M,
492 .get_mac_address = qlcnic_82xx_get_mac_address,
493 .setup_intr = qlcnic_82xx_setup_intr,
494 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
495 .mbx_cmd = qlcnic_82xx_issue_cmd,
496 .get_func_no = qlcnic_82xx_get_func_no,
497 .api_lock = qlcnic_82xx_api_lock,
498 .api_unlock = qlcnic_82xx_api_unlock,
499 .add_sysfs = qlcnic_82xx_add_sysfs,
500 .remove_sysfs = qlcnic_82xx_remove_sysfs,
501 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
502 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
503 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 504 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
505 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 506 .setup_link_event = qlcnic_82xx_linkevent_request,
507 .get_nic_info = qlcnic_82xx_get_nic_info,
508 .get_pci_info = qlcnic_82xx_get_pci_info,
509 .set_nic_info = qlcnic_82xx_set_nic_info,
510 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
511 .napi_enable = qlcnic_82xx_napi_enable,
512 .napi_disable = qlcnic_82xx_napi_disable,
513 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
514 .config_rss = qlcnic_82xx_config_rss,
515 .config_hw_lro = qlcnic_82xx_config_hw_lro,
516 .config_loopback = qlcnic_82xx_set_lb_mode,
517 .clear_loopback = qlcnic_82xx_clear_lb_mode,
518 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
519 .change_l2_filter = qlcnic_82xx_change_filter,
520 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 521 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 522 .free_mac_list = qlcnic_82xx_free_mac_list,
2e9d722d
AC		 523};
524
012ec812
HM		 525static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter)
526{
527 struct qlcnic_hardware_context *ahw = adapter->ahw;
528 int num_tx_q;
529
530 if (ahw->msix_supported &&
531 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
532 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS,
533 num_online_cpus());
534 if (num_tx_q > 1) {
535 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE,
536 &adapter->state);
537 adapter->max_drv_tx_rings = num_tx_q;
538 }
539 } else {
540 adapter->max_drv_tx_rings = 1;
541 }
542}
543
7f966452 544int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 545{
af19b491 546 struct pci_dev *pdev = adapter->pdev;
012ec812 547 int max_tx_rings, max_sds_rings, tx_vector;
13159183 548 int err = -1, i;
da6c8063
RB		 549
550 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
551 max_tx_rings = 0;
552 tx_vector = 0;
553 } else {
554 max_tx_rings = adapter->max_drv_tx_rings;
555 tx_vector = 1;
556 }
13159183
SC		 557
558 if (!adapter->msix_entries) {
559 adapter->msix_entries = kcalloc(num_msix,
560 sizeof(struct msix_entry),
561 GFP_KERNEL);
b2adaca9 562 if (!adapter->msix_entries)
13159183 563 return -ENOMEM;
13159183 564 }
af19b491
AKS		 565
566 adapter->max_sds_rings = 1;
af19b491 567 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 568
79788450 569 if (adapter->ahw->msix_supported) {
f94bc1e7 570 enable_msix:
13159183
SC		 571 for (i = 0; i < num_msix; i++)
572 adapter->msix_entries[i].entry = i;
af19b491
AKS		 573 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
574 if (err == 0) {
575 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 576 if (qlcnic_83xx_check(adapter)) {
577 adapter->ahw->num_msix = num_msix;
578 /* subtract mail box and tx ring vectors */
13159183
SC		 579 adapter->max_sds_rings = num_msix -
580 max_tx_rings - 1;
581 } else {
012ec812
HM		 582 adapter->ahw->num_msix = num_msix;
583 if (qlcnic_check_multi_tx(adapter) &&
584 (adapter->max_drv_tx_rings > 1))
585 max_sds_rings = num_msix - max_tx_rings;
586 else
587 max_sds_rings = num_msix;
588
589 adapter->max_sds_rings = max_sds_rings;
13159183 590 }
af19b491 591 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 592 return err;
13159183
SC		 593 } else if (err > 0) {
594 dev_info(&pdev->dev,
595 "Unable to allocate %d MSI-X interrupt vectors\n",
596 num_msix);
597 if (qlcnic_83xx_check(adapter)) {
da6c8063 598 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 599 return err;
da6c8063 600 err -= (max_tx_rings + 1);
13159183 601 num_msix = rounddown_pow_of_two(err);
da6c8063 602 num_msix += (max_tx_rings + 1);
13159183
SC		 603 } else {
604 num_msix = rounddown_pow_of_two(err);
012ec812
HM		 605 if (qlcnic_check_multi_tx(adapter))
606 num_msix += max_tx_rings;
13159183
SC		 607 }
608
609 if (num_msix) {
610 dev_info(&pdev->dev,
dce056cb 611 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 612 num_msix);
f94bc1e7 613 goto enable_msix;
13159183
SC		 614 }
615 } else {
dce056cb
MC		 616 dev_info(&pdev->dev,
617 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 618 num_msix);
f94bc1e7
SC		 619 }
620 }
13159183 621
f94bc1e7
SC		 622 return err;
623}
af19b491 624
9a97e705 625static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 626{
9a97e705 627 int err = 0;
15087c2b 628 u32 offset, mask_reg;
f94bc1e7 629 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 630 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 631 struct pci_dev *pdev = adapter->pdev;
af19b491 632
099f7aa7 633 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 634 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 635 offset = msi_tgt_status[adapter->ahw->pci_func];
636 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
637 offset);
af19b491
AKS		 638 dev_info(&pdev->dev, "using msi interrupts\n");
639 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 640 return err;
af19b491 641 }
012ec812 642
9a97e705
M		 643 if (qlcnic_use_msi || qlcnic_use_msi_x)
644 return -EOPNOTSUPP;
af19b491 645
f94bc1e7 646 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 647 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 648 offset = legacy_intrp->tgt_status_reg;
649 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
650 mask_reg = legacy_intrp->tgt_mask_reg;
651 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
652 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
653 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 654 dev_info(&pdev->dev, "using legacy interrupts\n");
655 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 656 return err;
af19b491
AKS		 657}
658
7e2cf4fe 659int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 660{
012ec812 661 struct qlcnic_hardware_context *ahw = adapter->ahw;
9a97e705 662 int num_msix, err = 0;
f94bc1e7 663
7e2cf4fe
SC		 664 if (!num_intr)
665 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
666
012ec812 667 if (ahw->msix_supported) {
5f6ec29a 668 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe 669 num_intr));
012ec812
HM		 670 if (qlcnic_check_multi_tx(adapter))
671 num_msix += adapter->max_drv_tx_rings;
672 } else {
f94bc1e7 673 num_msix = 1;
012ec812 674 }
f94bc1e7 675
7e2cf4fe 676 err = qlcnic_enable_msix(adapter, num_msix);
012ec812 677 if (err == -ENOMEM)
7e2cf4fe 678 return err;
f94bc1e7 679
012ec812
HM		 680 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
681 qlcnic_disable_multi_tx(adapter);
682
683 err = qlcnic_enable_msi_legacy(adapter);
684 if (!err)
685 return err;
686 }
687
688 return 0;
689}
690
691int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
692{
693 struct qlcnic_hardware_context *ahw = adapter->ahw;
694 int err, i;
695
696 if (qlcnic_check_multi_tx(adapter) &&
697 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
698 ahw->intr_tbl = vzalloc(ahw->num_msix *
699 sizeof(struct qlcnic_intrpt_config));
700 if (!ahw->intr_tbl)
701 return -ENOMEM;
702
703 for (i = 0; i < ahw->num_msix; i++) {
704 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
705 ahw->intr_tbl[i].id = i;
706 ahw->intr_tbl[i].src = 0;
707 }
708
709 err = qlcnic_82xx_config_intrpt(adapter, 1);
710 if (err)
711 dev_err(&adapter->pdev->dev,
712 "Failed to configure Interrupt for %d vector\n",
713 ahw->num_msix);
9a97e705 714 return err;
012ec812 715 }
9a97e705 716
012ec812 717 return 0;
f94bc1e7 718}
13159183 719
319ecf12 720void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 721{
722 if (adapter->flags & QLCNIC_MSIX_ENABLED)
723 pci_disable_msix(adapter->pdev);
724 if (adapter->flags & QLCNIC_MSI_ENABLED)
725 pci_disable_msi(adapter->pdev);
13159183
SC		 726
727 kfree(adapter->msix_entries);
728 adapter->msix_entries = NULL;
729
730 if (adapter->ahw->intr_tbl) {
731 vfree(adapter->ahw->intr_tbl);
732 adapter->ahw->intr_tbl = NULL;
733 }
af19b491
AKS		 734}
735
f1a094a8 736static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 737{
f1a094a8
RB		 738 if (ahw->pci_base0 != NULL)
739 iounmap(ahw->pci_base0);
af19b491
AKS		 740}
741
7e2cf4fe
SC		 742static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
743{
744 struct qlcnic_pci_info *pci_info;
745 int ret;
746
747 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
748 switch (adapter->ahw->port_type) {
749 case QLCNIC_GBE:
750 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
751 break;
752 case QLCNIC_XGBE:
753 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
754 break;
755 }
756 return 0;
757 }
758
759 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
760 return 0;
761
762 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
763 if (!pci_info)
764 return -ENOMEM;
765
766 ret = qlcnic_get_pci_info(adapter, pci_info);
767 kfree(pci_info);
768 return ret;
769}
d71170fb
SC		 770
771int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 772{
e88db3bd 773 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 774 int i, ret = 0, j = 0;
775 u16 act_pci_func;
346fe763
RB		 776 u8 pfn;
777
e88db3bd
DC		 778 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
779 if (!pci_info)
780 return -ENOMEM;
781
bff57d8e
SC		 782 ret = qlcnic_get_pci_info(adapter, pci_info);
783 if (ret)
784 goto err_pci_info;
785
786 act_pci_func = adapter->ahw->act_pci_func;
787
ca315ac2 788 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 789 act_pci_func, GFP_KERNEL);
e88db3bd 790 if (!adapter->npars) {
900853a4 791 ret = -ENOMEM;
e88db3bd
DC		 792 goto err_pci_info;
793 }
346fe763 794
ca315ac2 795 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 796 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
797 if (!adapter->eswitch) {
900853a4 798 ret = -ENOMEM;
ca315ac2 799 goto err_npars;
346fe763
RB		 800 }
801
ca315ac2
DC		 802 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
803 pfn = pci_info[i].id;
bff57d8e 804
0f6efff9 805 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 806 ret = QL_STATUS_INVALID_PARAM;
807 goto err_eswitch;
808 }
bff57d8e
SC		 809
810 if (!pci_info[i].active ||
811 (pci_info[i].type != QLCNIC_TYPE_NIC))
812 continue;
813
814 adapter->npars[j].pci_func = pfn;
815 adapter->npars[j].active = (u8)pci_info[i].active;
816 adapter->npars[j].type = (u8)pci_info[i].type;
817 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
818 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
819 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
820 j++;
346fe763
RB		 821 }
822
13159183 823 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 824 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 825 if (qlcnic_83xx_check(adapter))
826 qlcnic_enable_eswitch(adapter, i, 1);
827 }
ca315ac2 828
e88db3bd 829 kfree(pci_info);
ca315ac2
DC		 830 return 0;
831
832err_eswitch:
346fe763
RB		 833 kfree(adapter->eswitch);
834 adapter->eswitch = NULL;
ca315ac2 835err_npars:
346fe763 836 kfree(adapter->npars);
ca315ac2 837 adapter->npars = NULL;
e88db3bd
DC		 838err_pci_info:
839 kfree(pci_info);
346fe763
RB		 840
841 return ret;
842}
843
2e9d722d
AC		 844static int
845qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
846{
847 u8 id;
7e8fd003 848 int ret;
2e9d722d 849 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 850 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 851
2e9d722d
AC		 852 ret = qlcnic_api_lock(adapter);
853 if (ret)
854 goto err_lock;
2e9d722d 855
7e8fd003
SS		 856 id = ahw->pci_func;
857 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
858 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
859 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 860 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 861 qlcnic_api_unlock(adapter);
862err_lock:
863 return ret;
864}
865
13159183
SC		 866static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
867 const struct pci_device_id *ent)
2e9d722d 868{
2e9d722d
AC		 869 u32 op_mode, priv_level;
870
871 /* Determine FW API version */
13159183
SC		 872 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
873 QLCNIC_FW_API);
2e9d722d
AC		 874
875 /* Find PCI function number */
13159183 876 qlcnic_get_func_no(adapter);
2e9d722d
AC		 877
878 /* Determine function privilege level */
13159183 879 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 880 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 881 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 882 else
b1fc6d3c 883 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 884
0866d96d 885 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 886 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 887 dev_info(&adapter->pdev->dev,
888 "HAL Version: %d Non Privileged function\n",
79788450 889 adapter->ahw->fw_hal_version);
9f26f547 890 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 891 } else
892 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 893}
894
15087c2b 895#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 896#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 897static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
898{
899 switch (dev_id) {
900 case PCI_DEVICE_ID_QLOGIC_QLE824X:
901 *bar = QLCNIC_82XX_BAR0_LENGTH;
902 break;
13159183 903 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 904 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 905 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 906 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 907 *bar = QLCNIC_83XX_BAR0_LENGTH;
908 break;
15087c2b
SC		 909 default:
910 *bar = 0;
911 }
912}
913
914static int qlcnic_setup_pci_map(struct pci_dev *pdev,
915 struct qlcnic_hardware_context *ahw)
af19b491 916{
15087c2b 917 u32 offset;
af19b491 918 void __iomem *mem_ptr0 = NULL;
15087c2b 919 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 920
af19b491 921 /* remap phys address */
af19b491
AKS		 922 mem_len = pci_resource_len(pdev, 0);
923
15087c2b
SC		 924 qlcnic_get_bar_length(pdev->device, &bar0_len);
925 if (mem_len >= bar0_len) {
af19b491
AKS		 926
927 mem_ptr0 = pci_ioremap_bar(pdev, 0);
928 if (mem_ptr0 == NULL) {
929 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
930 return -EIO;
931 }
932 pci_len0 = mem_len;
933 } else {
934 return -EIO;
935 }
936
f8468331 937 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 938
15087c2b
SC		 939 ahw->pci_base0 = mem_ptr0;
940 ahw->pci_len0 = pci_len0;
941 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
942 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 943
944 return 0;
945}
946
2343f06a
MC		 947static inline bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
948 int index)
949{
950 struct pci_dev *pdev = adapter->pdev;
951 unsigned short subsystem_vendor;
952 bool ret = true;
953
954 subsystem_vendor = pdev->subsystem_vendor;
955
956 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
957 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
958 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
959 qlcnic_boards[index].sub_device == pdev->subsystem_device)
960 ret = true;
961 else
962 ret = false;
963 }
964
965 return ret;
966}
967
22999798 968static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 969{
970 struct pci_dev *pdev = adapter->pdev;
971 int i, found = 0;
972
973 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
974 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 975 qlcnic_boards[i].device == pdev->device &&
976 qlcnic_validate_subsystem_id(adapter, i)) {
977 found = 1;
978 break;
af19b491 979 }
af19b491
AKS		 980 }
981
982 if (!found)
7f9a0c34 983 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 984 else
985 sprintf(name, "%pM: %s" , adapter->mac_addr,
986 qlcnic_boards[i].short_name);
af19b491
AKS		 987}
988
989static void
990qlcnic_check_options(struct qlcnic_adapter *adapter)
991{
a15ebd37 992 int err;
031a4a26 993 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 994 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 995 struct qlcnic_hardware_context *ahw = adapter->ahw;
996 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 997
998 prev_fw_version = adapter->fw_version;
af19b491 999
a15ebd37
HM		 1000 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1001 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1002 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1003
1004 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1005
a15ebd37
HM		 1006 err = qlcnic_get_board_info(adapter);
1007 if (err) {
1008 dev_err(&pdev->dev, "Error getting board config info.\n");
1009 return;
1010 }
1011 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1012 if (fw_dump->tmpl_hdr == NULL ||
1013 adapter->fw_version > prev_fw_version) {
1014 if (fw_dump->tmpl_hdr)
1015 vfree(fw_dump->tmpl_hdr);
1016 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1017 dev_info(&pdev->dev,
1018 "Supports FW dump capability\n");
1019 }
1020 }
1021
13159183
SC		 1022 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1023 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1024
b1fc6d3c 1025 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1026 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1027 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1028 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1029 } else {
1030 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1031 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1032 }
1033
af19b491 1034 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1035 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1036
b1fc6d3c 1037 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1038 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1039 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1040 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1041 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1042 }
1043
099f7aa7 1044 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1045
1046 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1047
251b036a 1048 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1049}
1050
174240a8
RB		 1051static int
1052qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1053{
174240a8 1054 struct qlcnic_info nic_info;
4bd8e738 1055 int err = 0;
174240a8 1056
bff57d8e 1057 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1058 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1059 if (err)
1060 return err;
1061
79788450
SC		 1062 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1063 adapter->ahw->switch_mode = nic_info.switch_mode;
1064 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1065 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1066 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1067
1068 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1069 u32 temp;
4bd8e738
HM		 1070 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1071 if (err == -EIO)
1072 return err;
db131786 1073 adapter->ahw->extra_capability[0] = temp;
776e7bde 1074 }
79788450
SC		 1075 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1076 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1077
13159183
SC		 1078 /* Disable NPAR for 83XX */
1079 if (qlcnic_83xx_check(adapter))
1080 return err;
1081
79788450 1082 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 1083 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1084 else
1085 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1086
1087 return err;
1088}
1089
ec079a07
SC		 1090void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1091 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1092{
1093 if (esw_cfg->discard_tagged)
1094 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1095 else
1096 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1097
91b7282b
RB		 1098 if (esw_cfg->vlan_id) {
1099 adapter->rx_pvid = esw_cfg->vlan_id;
1100 adapter->tx_pvid = esw_cfg->vlan_id;
1101 } else {
1102 adapter->rx_pvid = 0;
1103 adapter->tx_pvid = 0;
1104 }
8cf61f89
AKS		 1105}
1106
8e586137 1107static int
80d5c368 1108qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1109{
1110 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1111 int err;
1112
1113 if (qlcnic_sriov_vf_check(adapter)) {
1114 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1115 if (err) {
1116 netdev_err(netdev,
1117 "Cannot add VLAN filter for VLAN id %d, err=%d",
1118 vid, err);
1119 return err;
1120 }
1121 }
1122
b9796a14 1123 set_bit(vid, adapter->vlans);
8e586137 1124 return 0;
b9796a14
AC		 1125}
1126
8e586137 1127static int
80d5c368 1128qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1129{
1130 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1131 int err;
1132
1133 if (qlcnic_sriov_vf_check(adapter)) {
1134 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1135 if (err) {
1136 netdev_err(netdev,
1137 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1138 vid, err);
1139 return err;
1140 }
1141 }
b9796a14
AC		 1142
1143 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1144 clear_bit(vid, adapter->vlans);
8e586137 1145 return 0;
b9796a14
AC		 1146}
1147
ec079a07
SC		 1148void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1149 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1150{
ee07c1a7
RB		 1151 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1152 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1153
1154 if (esw_cfg->mac_anti_spoof)
1155 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1156
7373373d
RB		 1157 if (!esw_cfg->mac_override)
1158 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1159
ee07c1a7
RB		 1160 if (!esw_cfg->promisc_mode)
1161 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1162}
1163
d71170fb 1164int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1165{
1166 struct qlcnic_esw_func_cfg esw_cfg;
1167
1168 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1169 return 0;
1170
b1fc6d3c 1171 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1172 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1173 return -EIO;
8cf61f89 1174 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1175 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1176 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1177
1178 return 0;
1179}
1180
147a9088
SS		 1181void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1182 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1183{
1184 struct net_device *netdev = adapter->netdev;
13159183
SC		 1185
1186 if (qlcnic_83xx_check(adapter))
1187 return;
0325d69b 1188
147a9088
SS		 1189 adapter->offload_flags = esw_cfg->offload_flags;
1190 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1191 netdev_update_features(netdev);
1192 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1193}
1194
0866d96d
AC		 1195static int
1196qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1197{
0866d96d
AC		 1198 u32 op_mode, priv_level;
1199 int err = 0;
1200
174240a8
RB		 1201 err = qlcnic_initialize_nic(adapter);
1202 if (err)
1203 return err;
1204
0866d96d
AC		 1205 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1206 return 0;
1207
13159183 1208 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1209 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1210
1211 if (op_mode == QLC_DEV_DRV_DEFAULT)
1212 priv_level = QLCNIC_MGMT_FUNC;
1213 else
b1fc6d3c 1214 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1215
174240a8 1216 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1217 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1218 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1219 err = qlcnic_init_pci_info(adapter);
1220 if (err)
1221 return err;
1222 /* Set privilege level for other functions */
1223 qlcnic_set_function_modes(adapter);
1224 dev_info(&adapter->pdev->dev,
1225 "HAL Version: %d, Management function\n",
79788450 1226 adapter->ahw->fw_hal_version);
0866d96d 1227 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1228 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1229 dev_info(&adapter->pdev->dev,
1230 "HAL Version: %d, Privileged function\n",
79788450 1231 adapter->ahw->fw_hal_version);
0866d96d 1232 }
174240a8 1233 }
0866d96d
AC		 1234
1235 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1236
1237 return err;
1238}
1239
d71170fb 1240int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1241{
1242 struct qlcnic_esw_func_cfg esw_cfg;
1243 struct qlcnic_npar_info *npar;
1244 u8 i;
1245
174240a8 1246 if (adapter->need_fw_reset)
0325d69b
RB		 1247 return 0;
1248
bff57d8e 1249 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1250 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1251 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1252 esw_cfg.mac_override = BIT_0;
ee07c1a7 1253 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1254 if (qlcnic_82xx_check(adapter)) {
1255 esw_cfg.offload_flags = BIT_0;
1256 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1257 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1258 }
0325d69b
RB		 1259 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1260 return -EIO;
1261 npar = &adapter->npars[i];
1262 npar->pvid = esw_cfg.vlan_id;
7373373d 1263 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1264 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1265 npar->discard_tagged = esw_cfg.discard_tagged;
1266 npar->promisc_mode = esw_cfg.promisc_mode;
1267 npar->offload_flags = esw_cfg.offload_flags;
1268 }
1269
1270 return 0;
1271}
1272
13159183 1273
4e8acb01
RB		 1274static int
1275qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1276 struct qlcnic_npar_info *npar, int pci_func)
1277{
1278 struct qlcnic_esw_func_cfg esw_cfg;
1279 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1280 esw_cfg.pci_func = pci_func;
1281 esw_cfg.vlan_id = npar->pvid;
7373373d 1282 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1283 esw_cfg.discard_tagged = npar->discard_tagged;
1284 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1285 esw_cfg.offload_flags = npar->offload_flags;
1286 esw_cfg.promisc_mode = npar->promisc_mode;
1287 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1288 return -EIO;
1289
1290 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1291 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1292 return -EIO;
1293
1294 return 0;
1295}
1296
d71170fb 1297int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1298{
4e8acb01 1299 int i, err;
cea8975e
AC		 1300 struct qlcnic_npar_info *npar;
1301 struct qlcnic_info nic_info;
bff57d8e 1302 u8 pci_func;
cea8975e 1303
bff57d8e
SC		 1304 if (qlcnic_82xx_check(adapter))
1305 if (!adapter->need_fw_reset)
1306 return 0;
cea8975e 1307
4e8acb01 1308 /* Set the NPAR config data after FW reset */
bff57d8e 1309 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1310 npar = &adapter->npars[i];
bff57d8e
SC		 1311 pci_func = npar->pci_func;
1312 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1313 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1314 if (err)
1315 return err;
1316 nic_info.min_tx_bw = npar->min_bw;
1317 nic_info.max_tx_bw = npar->max_bw;
1318 err = qlcnic_set_nic_info(adapter, &nic_info);
1319 if (err)
1320 return err;
cea8975e 1321
4e8acb01
RB		 1322 if (npar->enable_pm) {
1323 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1324 npar->dest_npar, 1,
1325 pci_func);
4e8acb01
RB		 1326 if (err)
1327 return err;
cea8975e 1328 }
bff57d8e 1329 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1330 if (err)
1331 return err;
cea8975e 1332 }
4e8acb01 1333 return 0;
cea8975e
AC		 1334}
1335
78f84e1a
AKS		 1336static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1337{
1338 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1339 u32 npar_state;
1340
79788450 1341 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1342 return 0;
1343
a15ebd37
HM		 1344 npar_state = QLC_SHARED_REG_RD32(adapter,
1345 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1346 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1347 msleep(1000);
a15ebd37
HM		 1348 npar_state = QLC_SHARED_REG_RD32(adapter,
1349 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1350 }
1351 if (!npar_opt_timeo) {
1352 dev_err(&adapter->pdev->dev,
8a168ca7 1353 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1354 return -EIO;
1355 }
1356 return 0;
1357}
1358
174240a8
RB		 1359static int
1360qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1361{
1362 int err;
1363
1364 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1365 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1366 return 0;
1367
1368 err = qlcnic_set_default_offload_settings(adapter);
1369 if (err)
1370 return err;
1371
1372 err = qlcnic_reset_npar_config(adapter);
1373 if (err)
1374 return err;
1375
1376 qlcnic_dev_set_npar_ready(adapter);
1377
1378 return err;
1379}
1380
7e2cf4fe 1381int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1382{
d4066833 1383 int err;
af19b491 1384
aa5e18c0
SC		 1385 err = qlcnic_can_start_firmware(adapter);
1386 if (err < 0)
1387 return err;
1388 else if (!err)
d4066833 1389 goto check_fw_status;
af19b491 1390
099f7aa7 1391 if (qlcnic_load_fw_file)
4d5bdb38 1392 qlcnic_request_firmware(adapter);
8f891387 1393 else {
8cfdce08
SC		 1394 err = qlcnic_check_flash_fw_ver(adapter);
1395 if (err)
8f891387 1396 goto err_out;
1397
79788450 1398 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1399 }
af19b491
AKS		 1400
1401 err = qlcnic_need_fw_reset(adapter);
af19b491 1402 if (err == 0)
4e70812b 1403 goto check_fw_status;
af19b491 1404
d4066833
SC		 1405 err = qlcnic_pinit_from_rom(adapter);
1406 if (err)
1407 goto err_out;
af19b491
AKS		 1408
1409 err = qlcnic_load_firmware(adapter);
1410 if (err)
1411 goto err_out;
1412
1413 qlcnic_release_firmware(adapter);
d4066833 1414 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1415
d4066833
SC		 1416check_fw_status:
1417 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1418 if (err)
1419 goto err_out;
1420
a15ebd37 1421 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1422 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1423 err = qlcnic_check_eswitch_mode(adapter);
1424 if (err) {
1425 dev_err(&adapter->pdev->dev,
1426 "Memory allocation failed for eswitch\n");
1427 goto err_out;
1428 }
174240a8
RB		 1429 err = qlcnic_set_mgmt_operations(adapter);
1430 if (err)
1431 goto err_out;
1432
1433 qlcnic_check_options(adapter);
af19b491
AKS		 1434 adapter->need_fw_reset = 0;
1435
a7fc948f
AKS		 1436 qlcnic_release_firmware(adapter);
1437 return 0;
af19b491
AKS		 1438
1439err_out:
a15ebd37 1440 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1441 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1442
af19b491
AKS		 1443 qlcnic_release_firmware(adapter);
1444 return err;
1445}
1446
1447static int
1448qlcnic_request_irq(struct qlcnic_adapter *adapter)
1449{
1450 irq_handler_t handler;
1451 struct qlcnic_host_sds_ring *sds_ring;
13159183 1452 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1453 int err, ring, num_sds_rings;
af19b491
AKS		 1454
1455 unsigned long flags = 0;
1456 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1457 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1458
79788450 1459 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1460 if (qlcnic_82xx_check(adapter))
1461 handler = qlcnic_tmp_intr;
c2534384
MC		 1462 else
1463 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1464 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1465 flags |= IRQF_SHARED;
1466
1467 } else {
1468 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1469 handler = qlcnic_msix_intr;
1470 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1471 handler = qlcnic_msi_intr;
1472 else {
1473 flags |= IRQF_SHARED;
ac166700
HM		 1474 if (qlcnic_82xx_check(adapter))
1475 handler = qlcnic_intr;
1476 else
1477 handler = qlcnic_83xx_intr;
7eb9855d 1478 }
af19b491
AKS		 1479 }
1480 adapter->irq = netdev->irq;
1481
13159183 1482 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1483 if (qlcnic_82xx_check(adapter) ||
1484 (qlcnic_83xx_check(adapter) &&
1485 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1486 num_sds_rings = adapter->max_sds_rings;
1487 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1488 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1489 if (qlcnic_82xx_check(adapter) &&
012ec812 1490 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1491 (ring == (num_sds_rings - 1))) {
1492 if (!(adapter->flags &
1493 QLCNIC_MSIX_ENABLED))
1494 snprintf(sds_ring->name,
1495 sizeof(sds_ring->name),
1496 "qlcnic");
1497 else
1498 snprintf(sds_ring->name,
1499 sizeof(sds_ring->name),
1500 "%s-tx-0-rx-%d",
1501 netdev->name, ring);
1502 } else {
ddb2e174
HM		 1503 snprintf(sds_ring->name,
1504 sizeof(sds_ring->name),
aa2a8034 1505 "%s-rx-%d",
ddb2e174 1506 netdev->name, ring);
aa2a8034 1507 }
ac166700
HM		 1508 err = request_irq(sds_ring->irq, handler, flags,
1509 sds_ring->name, sds_ring);
1510 if (err)
1511 return err;
1512 }
13159183 1513 }
012ec812
HM		 1514 if ((qlcnic_82xx_check(adapter) &&
1515 qlcnic_check_multi_tx(adapter)) ||
1516 (qlcnic_83xx_check(adapter) &&
1517 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1518 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183
SC		 1519 handler = qlcnic_msix_tx_intr;
1520 for (ring = 0; ring < adapter->max_drv_tx_rings;
1521 ring++) {
1522 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1523 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1524 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1525 err = request_irq(tx_ring->irq, handler, flags,
1526 tx_ring->name, tx_ring);
1527 if (err)
1528 return err;
1529 }
1530 }
af19b491 1531 }
af19b491
AKS		 1532 return 0;
1533}
1534
1535static void
1536qlcnic_free_irq(struct qlcnic_adapter *adapter)
1537{
1538 int ring;
1539 struct qlcnic_host_sds_ring *sds_ring;
13159183 1540 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1541
b1fc6d3c 1542 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1543
13159183 1544 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1545 if (qlcnic_82xx_check(adapter) ||
1546 (qlcnic_83xx_check(adapter) &&
1547 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1548 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1549 sds_ring = &recv_ctx->sds_rings[ring];
1550 free_irq(sds_ring->irq, sds_ring);
1551 }
13159183 1552 }
012ec812
HM		 1553 if ((qlcnic_83xx_check(adapter) &&
1554 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1555 (qlcnic_82xx_check(adapter) &&
1556 qlcnic_check_multi_tx(adapter))) {
13159183
SC		 1557 for (ring = 0; ring < adapter->max_drv_tx_rings;
1558 ring++) {
1559 tx_ring = &adapter->tx_ring[ring];
1560 if (tx_ring->irq)
1561 free_irq(tx_ring->irq, tx_ring);
1562 }
1563 }
af19b491
AKS		 1564 }
1565}
1566
99e85879
SS		 1567static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1568{
1569 u32 capab = 0;
1570
1571 if (qlcnic_82xx_check(adapter)) {
db131786 1572 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1573 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1574 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1575 } else {
1576 capab = adapter->ahw->capabilities;
1577 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1578 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1579 }
1580}
1581
319ecf12 1582int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1583{
8a15ad1f
AKS		 1584 int ring;
1585 struct qlcnic_host_rds_ring *rds_ring;
1586
af19b491
AKS		 1587 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1588 return -EIO;
1589
8a15ad1f
AKS		 1590 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1591 return 0;
012ec812 1592
0325d69b
RB		 1593 if (qlcnic_set_eswitch_port_config(adapter))
1594 return -EIO;
012ec812 1595
99e85879 1596 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1597
8a15ad1f
AKS		 1598 if (qlcnic_fw_create_ctx(adapter))
1599 return -EIO;
1600
1601 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1602 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1603 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1604 }
1605
af19b491
AKS		 1606 qlcnic_set_multi(netdev);
1607 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1608
b1fc6d3c 1609 adapter->ahw->linkup = 0;
af19b491
AKS		 1610
1611 if (adapter->max_sds_rings > 1)
1612 qlcnic_config_rss(adapter, 1);
1613
1614 qlcnic_config_intr_coalesce(adapter);
1615
24763d80 1616 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1617 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1618
cfacb172 1619 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1620 qlcnic_napi_enable(adapter);
1621
1622 qlcnic_linkevent_request(adapter, 1);
1623
79788450 1624 adapter->ahw->reset_context = 0;
af19b491
AKS		 1625 return 0;
1626}
1627
629263ac 1628int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1629{
1630 int err = 0;
1631
1632 rtnl_lock();
1633 if (netif_running(netdev))
1634 err = __qlcnic_up(adapter, netdev);
1635 rtnl_unlock();
1636
1637 return err;
1638}
1639
319ecf12 1640void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1641{
012ec812
HM		 1642 int ring;
1643
af19b491
AKS		 1644 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1645 return;
1646
1647 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1648 return;
1649
e8b508ef
RB		 1650 if (qlcnic_sriov_vf_check(adapter))
1651 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1652 smp_mb();
af19b491 1653 netif_carrier_off(netdev);
0a46bac0 1654 adapter->ahw->linkup = 0;
af19b491
AKS		 1655 netif_tx_disable(netdev);
1656
1657 qlcnic_free_mac_list(adapter);
1658
b5e5492c
AKS		 1659 if (adapter->fhash.fnum)
1660 qlcnic_delete_lb_filters(adapter);
1661
af19b491
AKS		 1662 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1663
1664 qlcnic_napi_disable(adapter);
1665
8a15ad1f 1666 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1667 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1668
1669 qlcnic_reset_rx_buffers_list(adapter);
012ec812
HM		 1670
1671 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1672 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1673}
1674
1675/* Usage: During suspend and firmware recovery module */
1676
629263ac 1677void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1678{
1679 rtnl_lock();
1680 if (netif_running(netdev))
1681 __qlcnic_down(adapter, netdev);
1682 rtnl_unlock();
1683
1684}
1685
319ecf12 1686int
af19b491
AKS		 1687qlcnic_attach(struct qlcnic_adapter *adapter)
1688{
1689 struct net_device *netdev = adapter->netdev;
1690 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1691 int err;
af19b491
AKS		 1692
1693 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1694 return 0;
1695
af19b491
AKS		 1696 err = qlcnic_napi_add(adapter, netdev);
1697 if (err)
1698 return err;
1699
1700 err = qlcnic_alloc_sw_resources(adapter);
1701 if (err) {
1702 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1703 goto err_out_napi_del;
af19b491
AKS		 1704 }
1705
1706 err = qlcnic_alloc_hw_resources(adapter);
1707 if (err) {
1708 dev_err(&pdev->dev, "Error in setting hw resources\n");
1709 goto err_out_free_sw;
1710 }
1711
af19b491
AKS		 1712 err = qlcnic_request_irq(adapter);
1713 if (err) {
1714 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1715 goto err_out_free_hw;
af19b491
AKS		 1716 }
1717
af19b491
AKS		 1718 qlcnic_create_sysfs_entries(adapter);
1719
1720 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1721 return 0;
1722
8a15ad1f 1723err_out_free_hw:
af19b491
AKS		 1724 qlcnic_free_hw_resources(adapter);
1725err_out_free_sw:
1726 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1727err_out_napi_del:
1728 qlcnic_napi_del(adapter);
af19b491
AKS		 1729 return err;
1730}
1731
319ecf12 1732void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1733{
1734 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1735 return;
1736
1737 qlcnic_remove_sysfs_entries(adapter);
1738
1739 qlcnic_free_hw_resources(adapter);
1740 qlcnic_release_rx_buffers(adapter);
1741 qlcnic_free_irq(adapter);
1742 qlcnic_napi_del(adapter);
1743 qlcnic_free_sw_resources(adapter);
1744
1745 adapter->is_up = 0;
1746}
1747
7eb9855d
AKS		 1748void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1749{
1750 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1751 struct qlcnic_host_sds_ring *sds_ring;
1752 int ring;
1753
78ad3892 1754 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1755 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1756 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1757 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1758 qlcnic_disable_int(sds_ring);
cdaff185 1759 }
7eb9855d
AKS		 1760 }
1761
8a15ad1f
AKS		 1762 qlcnic_fw_destroy_ctx(adapter);
1763
7eb9855d
AKS		 1764 qlcnic_detach(adapter);
1765
79788450 1766 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1767 adapter->max_sds_rings = max_sds_rings;
1768
1769 if (qlcnic_attach(adapter))
34ce3626 1770 goto out;
7eb9855d
AKS		 1771
1772 if (netif_running(netdev))
1773 __qlcnic_up(adapter, netdev);
34ce3626 1774out:
7eb9855d
AKS		 1775 netif_device_attach(netdev);
1776}
1777
b1fc6d3c
AC		 1778static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1779{
be273dc1 1780 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1781 int err = 0;
be273dc1 1782
b1fc6d3c
AC		 1783 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1784 GFP_KERNEL);
1785 if (!adapter->recv_ctx) {
b1fc6d3c 1786 err = -ENOMEM;
8816d009 1787 goto err_out;
b1fc6d3c 1788 }
8816d009 1789 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1790 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1791 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1792 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1793 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1794 if (qlcnic_83xx_check(adapter)) {
1795 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1796 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1797 }
4be41e92
SC		 1798 /* clear stats */
1799 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1800err_out:
1801 return err;
1802}
1803
1804static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1805{
1806 kfree(adapter->recv_ctx);
1807 adapter->recv_ctx = NULL;
1808
18f2f616
AC		 1809 if (adapter->ahw->fw_dump.tmpl_hdr) {
1810 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1811 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1812 }
4be41e92 1813
81d0aeb0 1814 kfree(adapter->ahw->reset.buff);
4be41e92 1815 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1816}
1817
7eb9855d
AKS		 1818int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1819{
1820 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1821 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1822 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1823 int ring;
1824 int ret;
1825
1826 netif_device_detach(netdev);
1827
1828 if (netif_running(netdev))
1829 __qlcnic_down(adapter, netdev);
1830
1831 qlcnic_detach(adapter);
1832
1833 adapter->max_sds_rings = 1;
79788450 1834 adapter->ahw->diag_test = test;
4be41e92 1835 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1836
1837 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1838 if (ret) {
1839 netif_device_attach(netdev);
7eb9855d 1840 return ret;
34ce3626 1841 }
7eb9855d 1842
8a15ad1f
AKS		 1843 ret = qlcnic_fw_create_ctx(adapter);
1844 if (ret) {
1845 qlcnic_detach(adapter);
57e46248 1846 netif_device_attach(netdev);
8a15ad1f
AKS		 1847 return ret;
1848 }
1849
1850 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1851 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1852 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1853 }
1854
79788450 1855 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1856 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1857 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1858 qlcnic_enable_int(sds_ring);
cdaff185 1859 }
7eb9855d 1860 }
22c8c934 1861
79788450 1862 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1863 adapter->ahw->loopback_state = 0;
1864 qlcnic_linkevent_request(adapter, 1);
1865 }
1866
78ad3892 1867 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1868
1869 return 0;
1870}
1871
68bf1c68
AKS		 1872/* Reset context in hardware only */
1873static int
1874qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1875{
1876 struct net_device *netdev = adapter->netdev;
1877
1878 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1879 return -EBUSY;
1880
1881 netif_device_detach(netdev);
1882
1883 qlcnic_down(adapter, netdev);
1884
1885 qlcnic_up(adapter, netdev);
1886
1887 netif_device_attach(netdev);
1888
1889 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1890 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1891 return 0;
1892}
1893
af19b491
AKS		 1894int
1895qlcnic_reset_context(struct qlcnic_adapter *adapter)
1896{
1897 int err = 0;
1898 struct net_device *netdev = adapter->netdev;
1899
1900 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1901 return -EBUSY;
1902
1903 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1904
1905 netif_device_detach(netdev);
1906
1907 if (netif_running(netdev))
1908 __qlcnic_down(adapter, netdev);
1909
1910 qlcnic_detach(adapter);
1911
1912 if (netif_running(netdev)) {
1913 err = qlcnic_attach(adapter);
1d5c88e3 1914 if (!err) {
34ce3626 1915 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1916 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1917 }
af19b491
AKS		 1918 }
1919
1920 netif_device_attach(netdev);
1921 }
1922
af19b491
AKS		 1923 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1924 return err;
1925}
1926
52e493d0
JK		 1927void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1928{
1929 struct qlcnic_hardware_context *ahw = adapter->ahw;
1930 u16 act_pci_fn = ahw->act_pci_func;
1931 u16 count;
1932
1933 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1934 if (act_pci_fn <= 2)
1935 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
1936 act_pci_fn;
1937 else
1938 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
1939 act_pci_fn;
1940 ahw->max_uc_count = count;
1941}
1942
f8468331 1943int
5ad6ff9d
SC		 1944qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1945 int pci_using_dac)
af19b491
AKS		 1946{
1947 int err;
1948 struct pci_dev *pdev = adapter->pdev;
1949
13159183 1950 adapter->rx_csum = 1;
79788450 1951 adapter->ahw->mc_enabled = 0;
52e493d0 1952 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 1953
1954 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1955 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1956
1957 qlcnic_change_mtu(netdev, netdev->mtu);
1958
d1a1105e
RB		 1959 if (qlcnic_sriov_vf_check(adapter))
1960 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1961 else
1962 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1963
7e38d04b 1964 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1965 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1966 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1967 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1968 NETIF_F_IPV6_CSUM);
ac8d0c4f 1969
13159183
SC		 1970 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1971 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1972 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1973 }
af19b491 1974
13159183
SC		 1975 if (pci_using_dac) {
1976 netdev->features |= NETIF_F_HIGHDMA;
1977 netdev->vlan_features |= NETIF_F_HIGHDMA;
1978 }
af19b491 1979
13159183 1980 if (qlcnic_vlan_tx_check(adapter))
f646968f 1981 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 1982
91b7282b
RB		 1983 if (qlcnic_sriov_vf_check(adapter))
1984 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1985
13159183
SC		 1986 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1987 netdev->features |= NETIF_F_LRO;
135d84a9 1988
7e38d04b 1989 netdev->hw_features = netdev->features;
52e493d0 1990 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 1991 netdev->irq = adapter->msix_entries[0].vector;
1992
012ec812
HM		 1993 if (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter)) {
1994 err = qlcnic_set_real_num_queues(adapter, netdev);
1995 if (err)
1996 return err;
1997 }
1998
af19b491
AKS		 1999 err = register_netdev(netdev);
2000 if (err) {
2001 dev_err(&pdev->dev, "failed to register net device\n");
2002 return err;
2003 }
2004
2005 return 0;
2006}
2007
5ad6ff9d 2008static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2009{
2010 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2011 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2012 *pci_using_dac = 1;
2013 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2014 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2015 *pci_using_dac = 0;
2016 else {
2017 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2018 return -EIO;
2019 }
2020
2021 return 0;
2022}
2023
4be41e92
SC		 2024void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2025{
2026 int ring;
2027 struct qlcnic_host_tx_ring *tx_ring;
2028
2029 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2030 tx_ring = &adapter->tx_ring[ring];
2031 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2032 vfree(tx_ring->cmd_buf_arr);
2033 tx_ring->cmd_buf_arr = NULL;
2034 }
2035 }
2036 if (adapter->tx_ring != NULL)
2037 kfree(adapter->tx_ring);
2038}
2039
2040int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2041 struct net_device *netdev)
2042{
b2adaca9 2043 int ring, vector, index;
4be41e92
SC		 2044 struct qlcnic_host_tx_ring *tx_ring;
2045 struct qlcnic_cmd_buffer *cmd_buf_arr;
2046
b2adaca9
JP		 2047 tx_ring = kcalloc(adapter->max_drv_tx_rings,
2048 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2049 if (tx_ring == NULL)
4be41e92 2050 return -ENOMEM;
b2adaca9 2051
4be41e92
SC		 2052 adapter->tx_ring = tx_ring;
2053
2054 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2055 tx_ring = &adapter->tx_ring[ring];
2056 tx_ring->num_desc = adapter->num_txd;
2057 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2058 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2059 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2060 qlcnic_free_tx_rings(adapter);
2061 return -ENOMEM;
2062 }
2063 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2064 tx_ring->cmd_buf_arr = cmd_buf_arr;
2065 }
2066
012ec812
HM		 2067 if (qlcnic_83xx_check(adapter) ||
2068 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
4be41e92
SC		 2069 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2070 tx_ring = &adapter->tx_ring[ring];
2071 tx_ring->adapter = adapter;
2072 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2073 index = adapter->max_sds_rings + ring;
2074 vector = adapter->msix_entries[index].vector;
2075 tx_ring->irq = vector;
2076 }
2077 }
2078 }
012ec812 2079
4be41e92
SC		 2080 return 0;
2081}
2082
8af3f33d
PP		 2083void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2084{
2085 struct qlcnic_hardware_context *ahw = adapter->ahw;
2086 u32 fw_cmd = 0;
2087
2088 if (qlcnic_82xx_check(adapter))
2089 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2090 else if (qlcnic_83xx_check(adapter))
2091 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2092
2093 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2094 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2095 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2096}
2097
6bb58bb0 2098static int
af19b491
AKS		 2099qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2100{
2101 struct net_device *netdev = NULL;
2102 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2103 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2104 int err, pci_using_dac = -1;
7bc48646 2105 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2106
f8468331
RB		 2107 if (pdev->is_virtfn)
2108 return -ENODEV;
2109
af19b491
AKS		 2110 err = pci_enable_device(pdev);
2111 if (err)
2112 return err;
2113
2114 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2115 err = -ENODEV;
2116 goto err_out_disable_pdev;
2117 }
2118
1bb09fb9
AKS		 2119 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2120 if (err)
2121 goto err_out_disable_pdev;
2122
af19b491
AKS		 2123 err = pci_request_regions(pdev, qlcnic_driver_name);
2124 if (err)
2125 goto err_out_disable_pdev;
2126
2127 pci_set_master(pdev);
451724c8 2128 pci_enable_pcie_error_reporting(pdev);
af19b491 2129
7e2cf4fe 2130 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2131 if (!ahw) {
2132 err = -ENOMEM;
7e2cf4fe 2133 goto err_out_free_res;
02135582 2134 }
7e2cf4fe 2135
f8468331
RB		 2136 switch (ent->device) {
2137 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2138 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2139 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2140 break;
2141 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2142 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2143 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2144 break;
2145 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2146 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2147 qlcnic_sriov_vf_register_map(ahw);
2148 break;
2149 default:
13159183 2150 goto err_out_free_hw_res;
7e2cf4fe
SC		 2151 }
2152
2153 err = qlcnic_setup_pci_map(pdev, ahw);
2154 if (err)
2155 goto err_out_free_hw_res;
2156
012ec812
HM		 2157 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2158 QLCNIC_MAX_TX_RINGS);
af19b491 2159 if (!netdev) {
af19b491 2160 err = -ENOMEM;
7e2cf4fe 2161 goto err_out_iounmap;
af19b491
AKS		 2162 }
2163
2164 SET_NETDEV_DEV(netdev, &pdev->dev);
2165
2166 adapter = netdev_priv(netdev);
2167 adapter->netdev = netdev;
2168 adapter->pdev = pdev;
13159183
SC		 2169 adapter->ahw = ahw;
2170
2171 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2172 if (adapter->qlcnic_wq == NULL) {
02135582 2173 err = -ENOMEM;
13159183
SC		 2174 dev_err(&pdev->dev, "Failed to create workqueue\n");
2175 goto err_out_free_netdev;
2176 }
af19b491 2177
2dfc9671
PST		 2178 err = qlcnic_alloc_adapter_resources(adapter);
2179 if (err)
b1fc6d3c
AC		 2180 goto err_out_free_netdev;
2181
2182 adapter->dev_rst_time = jiffies;
7e2cf4fe 2183 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2184 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2185 adapter->fdb_mac_learn = true;
2186 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2187 adapter->drv_mac_learn = true;
af19b491 2188
b1fc6d3c
AC		 2189 rwlock_init(&adapter->ahw->crb_lock);
2190 mutex_init(&adapter->ahw->mem_lock);
af19b491 2191
af19b491
AKS		 2192 INIT_LIST_HEAD(&adapter->mac_list);
2193
7e2cf4fe 2194 if (qlcnic_82xx_check(adapter)) {
13159183 2195 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2196 adapter->portnum = adapter->ahw->pci_func;
2197 err = qlcnic_start_firmware(adapter);
2198 if (err) {
2199 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2200 goto err_out_free_hw;
2201 }
af19b491 2202
012ec812
HM		 2203 qlcnic_get_multiq_capability(adapter);
2204
2205 if ((adapter->ahw->act_pci_func > 2) &&
2206 qlcnic_check_multi_tx(adapter)) {
2207 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2208 dev_info(&adapter->pdev->dev,
2209 "vNIC mode enabled, Set max TX rings = %d\n",
2210 adapter->max_drv_tx_rings);
2211 }
2212
2213 if (!qlcnic_check_multi_tx(adapter)) {
2214 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2215 adapter->max_drv_tx_rings = 1;
2216 }
7e2cf4fe
SC		 2217 err = qlcnic_setup_idc_param(adapter);
2218 if (err)
2219 goto err_out_free_hw;
b0044bcf 2220
7e2cf4fe 2221 adapter->flags |= QLCNIC_NEED_FLR;
13159183 2222 } else if (qlcnic_83xx_check(adapter)) {
012ec812 2223 adapter->max_drv_tx_rings = 1;
13159183
SC		 2224 qlcnic_83xx_check_vf(adapter, ent);
2225 adapter->portnum = adapter->ahw->pci_func;
f8468331 2226 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2227 if (err) {
2228 dev_err(&pdev->dev, "%s: failed\n", __func__);
2229 goto err_out_free_hw;
2230 }
f8468331
RB		 2231 if (qlcnic_sriov_vf_check(adapter))
2232 return 0;
13159183
SC		 2233 } else {
2234 dev_err(&pdev->dev,
2235 "%s: failed. Please Reboot\n", __func__);
2236 goto err_out_free_hw;
a7fc948f 2237 }
af19b491 2238
da48e6c3
RB		 2239 if (qlcnic_read_mac_addr(adapter))
2240 dev_warn(&pdev->dev, "failed to read mac addr\n");
2241
2242 if (adapter->portnum == 0) {
22999798 2243 qlcnic_get_board_name(adapter, board_name);
13159183 2244
da48e6c3 2245 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2246 module_name(THIS_MODULE),
2247 board_name, adapter->ahw->revision_id);
da48e6c3 2248 }
460374f7
HM		 2249
2250 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2251 !!qlcnic_use_msi)
2252 dev_warn(&pdev->dev,
01b91f4c 2253 "Device does not support MSI interrupts\n");
460374f7 2254
068a8d19
MC		 2255 if (qlcnic_82xx_check(adapter)) {
2256 err = qlcnic_setup_intr(adapter, 0);
2257 if (err) {
2258 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2259 goto err_out_disable_msi;
068a8d19 2260 }
13159183 2261 }
af19b491 2262
02135582
SC		 2263 err = qlcnic_get_act_pci_func(adapter);
2264 if (err)
2265 goto err_out_disable_mbx_intr;
2266
1bb09fb9 2267 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2268 if (err)
7e2cf4fe 2269 goto err_out_disable_mbx_intr;
af19b491 2270
24866d15
HM		 2271 if (adapter->portnum == 0)
2272 qlcnic_set_drv_version(adapter);
c84e340a 2273
af19b491
AKS		 2274 pci_set_drvdata(pdev, adapter);
2275
97ee45eb
SC		 2276 if (qlcnic_82xx_check(adapter))
2277 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2278 FW_POLL_DELAY);
af19b491 2279
b1fc6d3c 2280 switch (adapter->ahw->port_type) {
af19b491
AKS		 2281 case QLCNIC_GBE:
2282 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2283 adapter->netdev->name);
2284 break;
2285 case QLCNIC_XGBE:
2286 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2287 adapter->netdev->name);
2288 break;
2289 }
2290
fe1adc6b 2291 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2292 qlcnic_alloc_lb_filters_mem(adapter);
2293
7e2cf4fe 2294 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2295
2296 return 0;
2297
7e2cf4fe 2298err_out_disable_mbx_intr:
7dd90cf1 2299 if (qlcnic_83xx_check(adapter))
13159183 2300 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2301
af19b491
AKS		 2302err_out_disable_msi:
2303 qlcnic_teardown_intr(adapter);
7e2cf4fe 2304 qlcnic_cancel_idc_work(adapter);
21854f02 2305 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2306
b1fc6d3c
AC		 2307err_out_free_hw:
2308 qlcnic_free_adapter_resources(adapter);
2309
af19b491
AKS		 2310err_out_free_netdev:
2311 free_netdev(netdev);
2312
7e2cf4fe 2313err_out_iounmap:
f1a094a8 2314 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2315
2316err_out_free_hw_res:
2317 kfree(ahw);
2318
af19b491
AKS		 2319err_out_free_res:
2320 pci_release_regions(pdev);
2321
2322err_out_disable_pdev:
2323 pci_set_drvdata(pdev, NULL);
2324 pci_disable_device(pdev);
2325 return err;
2326}
2327
6bb58bb0 2328static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2329{
2330 struct qlcnic_adapter *adapter;
2331 struct net_device *netdev;
13159183 2332 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2333
2334 adapter = pci_get_drvdata(pdev);
2335 if (adapter == NULL)
2336 return;
2337
2338 netdev = adapter->netdev;
02feda17 2339 qlcnic_sriov_pf_disable(adapter);
af19b491 2340
13159183
SC		 2341 qlcnic_cancel_idc_work(adapter);
2342 ahw = adapter->ahw;
af19b491
AKS		 2343
2344 unregister_netdev(netdev);
02feda17 2345 qlcnic_sriov_cleanup(adapter);
af19b491 2346
13159183 2347 if (qlcnic_83xx_check(adapter)) {
3d73b5fd
JK		 2348 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2349 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2350 qlcnic_83xx_free_mbx_intr(adapter);
2351 qlcnic_83xx_detach_mailbox_work(adapter);
2352 qlcnic_83xx_free_mailbox(ahw->mailbox);
13159183
SC		 2353 }
2354
af19b491
AKS		 2355 qlcnic_detach(adapter);
2356
2e9d722d
AC		 2357 if (adapter->npars != NULL)
2358 kfree(adapter->npars);
2359 if (adapter->eswitch != NULL)
2360 kfree(adapter->eswitch);
2361
97ee45eb
SC		 2362 if (qlcnic_82xx_check(adapter))
2363 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2364
2365 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2366
b5e5492c
AKS		 2367 qlcnic_free_lb_filters_mem(adapter);
2368
af19b491
AKS		 2369 qlcnic_teardown_intr(adapter);
2370
13159183 2371 qlcnic_remove_sysfs(adapter);
af19b491 2372
f1a094a8 2373 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2374
2375 qlcnic_release_firmware(adapter);
2376
451724c8 2377 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2378 pci_release_regions(pdev);
2379 pci_disable_device(pdev);
2380 pci_set_drvdata(pdev, NULL);
2381
13159183
SC		 2382 if (adapter->qlcnic_wq) {
2383 destroy_workqueue(adapter->qlcnic_wq);
2384 adapter->qlcnic_wq = NULL;
2385 }
b1fc6d3c 2386 qlcnic_free_adapter_resources(adapter);
13159183 2387 kfree(ahw);
af19b491
AKS		 2388 free_netdev(netdev);
2389}
af19b491
AKS		 2390
2391static void qlcnic_shutdown(struct pci_dev *pdev)
2392{
2393 if (__qlcnic_shutdown(pdev))
2394 return;
2395
2396 pci_disable_device(pdev);
2397}
2398
2399#ifdef CONFIG_PM
486a5bc7 2400static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2401{
2402 int retval;
2403
2404 retval = __qlcnic_shutdown(pdev);
2405 if (retval)
2406 return retval;
2407
2408 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2409 return 0;
2410}
2411
486a5bc7 2412static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2413{
2414 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2415 int err;
2416
2417 err = pci_enable_device(pdev);
2418 if (err)
2419 return err;
2420
2421 pci_set_power_state(pdev, PCI_D0);
2422 pci_set_master(pdev);
2423 pci_restore_state(pdev);
2424
486a5bc7 2425 return __qlcnic_resume(adapter);
af19b491
AKS		 2426}
2427#endif
2428
2429static int qlcnic_open(struct net_device *netdev)
2430{
2431 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2432 int err;
2433
c55ad8e5
AKS		 2434 netif_carrier_off(netdev);
2435
af19b491
AKS		 2436 err = qlcnic_attach(adapter);
2437 if (err)
2438 return err;
2439
2440 err = __qlcnic_up(adapter, netdev);
2441 if (err)
2442 goto err_out;
2443
012ec812 2444 netif_tx_start_all_queues(netdev);
af19b491
AKS		 2445
2446 return 0;
2447
2448err_out:
2449 qlcnic_detach(adapter);
2450 return err;
2451}
2452
2453/*
2454 * qlcnic_close - Disables a network interface entry point
2455 */
2456static int qlcnic_close(struct net_device *netdev)
2457{
2458 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2459
2460 __qlcnic_down(adapter, netdev);
13159183 2461
af19b491
AKS		 2462 return 0;
2463}
2464
e5dcf6dc 2465void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2466{
2467 void *head;
2468 int i;
13159183
SC		 2469 struct net_device *netdev = adapter->netdev;
2470 u32 filter_size = 0;
2471 u16 act_pci_func = 0;
b5e5492c 2472
e5dcf6dc 2473 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2474 return;
2475
13159183 2476 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2477 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2478 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2479
13159183
SC		 2480 if (qlcnic_82xx_check(adapter)) {
2481 filter_size = QLCNIC_LB_MAX_FILTERS;
2482 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2483 } else {
2484 filter_size = QLC_83XX_LB_MAX_FILTERS;
2485 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2486 }
2487
2488 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2489 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2490
b5e5492c
AKS		 2491 if (!head)
2492 return;
2493
13159183 2494 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2495 adapter->fhash.fhead = head;
b5e5492c 2496
13159183
SC		 2497 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2498 act_pci_func, adapter->fhash.fmax);
2499
2500 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2501 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2502
2503 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2504
2505 head = kcalloc(adapter->rx_fhash.fbucket_size,
2506 sizeof(struct hlist_head), GFP_ATOMIC);
2507
2508 if (!head)
2509 return;
2510
2511 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2512 adapter->rx_fhash.fhead = head;
2513
2514 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2515 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2516}
2517
2518static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2519{
2520 if (adapter->fhash.fmax && adapter->fhash.fhead)
2521 kfree(adapter->fhash.fhead);
2522
2523 adapter->fhash.fhead = NULL;
2524 adapter->fhash.fmax = 0;
53643a75
SS		 2525
2526 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2527 kfree(adapter->rx_fhash.fhead);
2528
2529 adapter->rx_fhash.fmax = 0;
2530 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2531}
2532
629263ac 2533int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2534{
2535 struct net_device *netdev = adapter->netdev;
97ee45eb 2536 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2537 int rv = 0;
2538
13159183
SC		 2539 if (qlcnic_83xx_check(adapter))
2540 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2541
97ee45eb 2542 if (qlcnic_82xx_check(adapter))
a15ebd37 2543 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2544
2545 temp_state = qlcnic_get_temp_state(temp);
2546 temp_val = qlcnic_get_temp_val(temp);
2547
2548 if (temp_state == QLCNIC_TEMP_PANIC) {
2549 dev_err(&netdev->dev,
2550 "Device temperature %d degrees C exceeds"
2551 " maximum allowed. Hardware has been shut down.\n",
2552 temp_val);
2553 rv = 1;
2554 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2555 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2556 dev_err(&netdev->dev,
2557 "Device temperature %d degrees C "
2558 "exceeds operating range."
2559 " Immediate action needed.\n",
2560 temp_val);
2561 }
2562 } else {
79788450 2563 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2564 dev_info(&netdev->dev,
2565 "Device temperature is now %d degrees C"
2566 " in normal range.\n", temp_val);
2567 }
2568 }
79788450 2569 adapter->ahw->temp = temp_state;
af19b491
AKS		 2570 return rv;
2571}
2572
af19b491
AKS		 2573static void qlcnic_tx_timeout(struct net_device *netdev)
2574{
2575 struct qlcnic_adapter *adapter = netdev_priv(netdev);
012ec812
HM		 2576 struct qlcnic_host_tx_ring *tx_ring;
2577 int ring;
af19b491
AKS		 2578
2579 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2580 return;
2581
536faa61
SC		 2582 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2583 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2584 if (qlcnic_82xx_check(adapter))
2585 adapter->need_fw_reset = 1;
2586 else if (qlcnic_83xx_check(adapter))
2587 qlcnic_83xx_idc_request_reset(adapter,
2588 QLCNIC_FORCE_FW_DUMP_KEY);
2589 } else {
2590 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
012ec812
HM		 2591 if (qlcnic_82xx_check(adapter)) {
2592 for (ring = 0; ring < adapter->max_drv_tx_rings;
2593 ring++) {
2594 tx_ring = &adapter->tx_ring[ring];
2595 dev_info(&netdev->dev, "ring=%d\n", ring);
2596 dev_info(&netdev->dev, "crb_intr_mask=%d\n",
2597 readl(tx_ring->crb_intr_mask));
2598 dev_info(&netdev->dev, "producer=%d\n",
2599 readl(tx_ring->crb_cmd_producer));
2600 dev_info(&netdev->dev, "sw_consumer = %d\n",
2601 tx_ring->sw_consumer);
2602 dev_info(&netdev->dev, "hw_consumer = %d\n",
2603 le32_to_cpu(*(tx_ring->hw_consumer)));
2604 dev_info(&netdev->dev, "xmit-on=%llu\n",
2605 tx_ring->xmit_on);
2606 dev_info(&netdev->dev, "xmit-off=%llu\n",
2607 tx_ring->xmit_off);
2608 }
2609 }
79788450 2610 adapter->ahw->reset_context = 1;
536faa61 2611 }
af19b491
AKS		 2612}
2613
2614static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2615{
2616 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2617 struct net_device_stats *stats = &netdev->stats;
2618
af19b491
AKS		 2619 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2620 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2621 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2622 stats->tx_bytes = adapter->stats.txbytes;
2623 stats->rx_dropped = adapter->stats.rxdropped;
2624 stats->tx_dropped = adapter->stats.txdropped;
2625
2626 return stats;
2627}
2628
7e2cf4fe 2629irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2630{
af19b491
AKS		 2631 u32 status;
2632
2633 status = readl(adapter->isr_int_vec);
2634
79788450 2635 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2636 return IRQ_NONE;
2637
2638 /* check interrupt state machine, to be sure */
2639 status = readl(adapter->crb_int_state_reg);
2640 if (!ISR_LEGACY_INT_TRIGGERED(status))
2641 return IRQ_NONE;
2642
2643 writel(0xffffffff, adapter->tgt_status_reg);
2644 /* read twice to ensure write is flushed */
2645 readl(adapter->isr_int_vec);
2646 readl(adapter->isr_int_vec);
2647
7eb9855d
AKS		 2648 return IRQ_HANDLED;
2649}
2650
2651static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2652{
2653 struct qlcnic_host_sds_ring *sds_ring = data;
2654 struct qlcnic_adapter *adapter = sds_ring->adapter;
2655
2656 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2657 goto done;
2658 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2659 writel(0xffffffff, adapter->tgt_status_reg);
2660 goto done;
2661 }
2662
2663 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2664 return IRQ_NONE;
2665
2666done:
79788450 2667 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2668 qlcnic_enable_int(sds_ring);
2669 return IRQ_HANDLED;
2670}
2671
2672static irqreturn_t qlcnic_intr(int irq, void *data)
2673{
2674 struct qlcnic_host_sds_ring *sds_ring = data;
2675 struct qlcnic_adapter *adapter = sds_ring->adapter;
2676
2677 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2678 return IRQ_NONE;
2679
af19b491
AKS		 2680 napi_schedule(&sds_ring->napi);
2681
2682 return IRQ_HANDLED;
2683}
2684
2685static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2686{
2687 struct qlcnic_host_sds_ring *sds_ring = data;
2688 struct qlcnic_adapter *adapter = sds_ring->adapter;
2689
2690 /* clear interrupt */
2691 writel(0xffffffff, adapter->tgt_status_reg);
2692
2693 napi_schedule(&sds_ring->napi);
2694 return IRQ_HANDLED;
2695}
2696
2697static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2698{
2699 struct qlcnic_host_sds_ring *sds_ring = data;
2700
2701 napi_schedule(&sds_ring->napi);
2702 return IRQ_HANDLED;
2703}
2704
13159183
SC		 2705static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2706{
2707 struct qlcnic_host_tx_ring *tx_ring = data;
2708
2709 napi_schedule(&tx_ring->napi);
2710 return IRQ_HANDLED;
2711}
2712
af19b491
AKS		 2713#ifdef CONFIG_NET_POLL_CONTROLLER
2714static void qlcnic_poll_controller(struct net_device *netdev)
2715{
bf82791e
YL		 2716 int ring;
2717 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2718 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2719 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2720
af19b491 2721 disable_irq(adapter->irq);
bf82791e
YL		 2722 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2723 sds_ring = &recv_ctx->sds_rings[ring];
2724 qlcnic_intr(adapter->irq, sds_ring);
2725 }
af19b491
AKS		 2726 enable_irq(adapter->irq);
2727}
2728#endif
2729
6df900e9
SC		 2730static void
2731qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2732{
2733 u32 val;
2734
2735 val = adapter->portnum & 0xf;
2736 val |= encoding << 7;
2737 val |= (jiffies - adapter->dev_rst_time) << 8;
2738
a15ebd37 2739 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2740 adapter->dev_rst_time = jiffies;
2741}
2742
ade91f8e
AKS		 2743static int
2744qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2745{
2746 u32 val;
2747
2748 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2749 state != QLCNIC_DEV_NEED_QUISCENT);
2750
2751 if (qlcnic_api_lock(adapter))
ade91f8e 2752 return -EIO;
af19b491 2753
a15ebd37 2754 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2755
2756 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2757 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2758 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2759 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2760
a15ebd37 2761 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2762
2763 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2764
2765 return 0;
af19b491
AKS		 2766}
2767
1b95a839
AKS		 2768static int
2769qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2770{
2771 u32 val;
2772
2773 if (qlcnic_api_lock(adapter))
2774 return -EBUSY;
2775
a15ebd37 2776 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2777 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2778 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2779
2780 qlcnic_api_unlock(adapter);
2781
2782 return 0;
2783}
2784
486a5bc7 2785void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2786{
2787 u32 val;
2788
2789 if (qlcnic_api_lock(adapter))
2790 goto err;
2791
a15ebd37 2792 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2793 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2794 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2795
21854f02 2796 if (failed) {
a15ebd37
HM		 2797 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2798 QLCNIC_DEV_FAILED);
21854f02
AKS		 2799 dev_info(&adapter->pdev->dev,
2800 "Device state set to Failed. Please Reboot\n");
2801 } else if (!(val & 0x11111111))
a15ebd37
HM		 2802 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2803 QLCNIC_DEV_COLD);
af19b491 2804
a15ebd37 2805 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2806 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2807 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2808
2809 qlcnic_api_unlock(adapter);
2810err:
2811 adapter->fw_fail_cnt = 0;
032a13c7 2812 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2813 clear_bit(__QLCNIC_START_FW, &adapter->state);
2814 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2815}
2816
f73dfc50 2817/* Grab api lock, before checking state */
af19b491
AKS		 2818static int
2819qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2820{
602ca6f0 2821 int act, state, active_mask;
a15ebd37 2822 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2823
a15ebd37
HM		 2824 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2825 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2826
602ca6f0 2827 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2828 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2829 act = act & active_mask;
2830 }
2831
af19b491
AKS		 2832 if (((state & 0x11111111) == (act & 0x11111111)) ||
2833 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2834 return 0;
2835 else
2836 return 1;
2837}
2838
96f8118c
SC		 2839static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2840{
a15ebd37 2841 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2842
2843 if (val != QLCNIC_DRV_IDC_VER) {
2844 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2845 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2846 }
2847
2848 return 0;
2849}
2850
af19b491
AKS		 2851static int
2852qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2853{
2854 u32 val, prev_state;
aa5e18c0 2855 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2856 u8 portnum = adapter->portnum;
96f8118c 2857 u8 ret;
af19b491 2858
f73dfc50
AKS		 2859 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2860 return 1;
2861
af19b491
AKS		 2862 if (qlcnic_api_lock(adapter))
2863 return -1;
2864
a15ebd37 2865 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2866 if (!(val & (1 << (portnum * 4)))) {
2867 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2868 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2869 }
2870
a15ebd37 2871 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2872 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2873
2874 switch (prev_state) {
2875 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2876 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2877 QLCNIC_DEV_INITIALIZING);
2878 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2879 QLCNIC_DRV_IDC_VER);
6df900e9 2880 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2881 qlcnic_api_unlock(adapter);
2882 return 1;
2883
2884 case QLCNIC_DEV_READY:
96f8118c 2885 ret = qlcnic_check_idc_ver(adapter);
af19b491 2886 qlcnic_api_unlock(adapter);
96f8118c 2887 return ret;
af19b491
AKS		 2888
2889 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2890 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2891 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2892 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2893 break;
2894
2895 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2896 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2897 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2898 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2899 break;
2900
2901 case QLCNIC_DEV_FAILED:
a7fc948f 2902 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2903 qlcnic_api_unlock(adapter);
2904 return -1;
bbd8c6a4
AKS		 2905
2906 case QLCNIC_DEV_INITIALIZING:
2907 case QLCNIC_DEV_QUISCENT:
2908 break;
af19b491
AKS		 2909 }
2910
2911 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2912
2913 do {
af19b491 2914 msleep(1000);
a15ebd37 2915 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2916
2917 if (prev_state == QLCNIC_DEV_QUISCENT)
2918 continue;
2919 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2920
65b5b420
AKS		 2921 if (!dev_init_timeo) {
2922 dev_err(&adapter->pdev->dev,
2923 "Waiting for device to initialize timeout\n");
af19b491 2924 return -1;
65b5b420 2925 }
af19b491
AKS		 2926
2927 if (qlcnic_api_lock(adapter))
2928 return -1;
2929
a15ebd37 2930 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2931 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2932 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2933
96f8118c 2934 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2935 qlcnic_api_unlock(adapter);
2936
96f8118c 2937 return ret;
af19b491
AKS		 2938}
2939
2940static void
2941qlcnic_fwinit_work(struct work_struct *work)
2942{
2943 struct qlcnic_adapter *adapter = container_of(work,
2944 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2945 u32 dev_state = 0xf;
7b749ff4 2946 u32 val;
af19b491 2947
f73dfc50
AKS		 2948 if (qlcnic_api_lock(adapter))
2949 goto err_ret;
af19b491 2950
a15ebd37 2951 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2952 if (dev_state == QLCNIC_DEV_QUISCENT ||
2953 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2954 qlcnic_api_unlock(adapter);
2955 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2956 FW_POLL_DELAY * 2);
2957 return;
2958 }
2959
79788450 2960 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2961 qlcnic_api_unlock(adapter);
2962 goto wait_npar;
9f26f547
AC		 2963 }
2964
16e3cf73
SV		 2965 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2966 dev_state == QLCNIC_DEV_READY) {
2967 dev_info(&adapter->pdev->dev, "Detected state change from "
2968 "DEV_NEED_RESET, skipping ack check\n");
2969 goto skip_ack_check;
2970 }
2971
f73dfc50 2972 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2973 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2974 adapter->reset_ack_timeo);
2975 goto skip_ack_check;
2976 }
2977
2978 if (!qlcnic_check_drv_state(adapter)) {
2979skip_ack_check:
a15ebd37 2980 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2981
f73dfc50 2982 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2983 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2984 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2985 set_bit(__QLCNIC_START_FW, &adapter->state);
2986 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2987 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2988 val = QLC_SHARED_REG_RD32(adapter,
2989 QLCNIC_CRB_DRV_STATE);
7b749ff4 2990 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2991 QLC_SHARED_REG_WR32(adapter,
2992 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2993 }
2994
f73dfc50
AKS		 2995 qlcnic_api_unlock(adapter);
2996
287e38aa 2997 rtnl_lock();
7b749ff4
SV		 2998 if (adapter->ahw->fw_dump.enable &&
2999 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3000 QLCDB(adapter, DRV, "Take FW dump\n");
3001 qlcnic_dump_fw(adapter);
032a13c7 3002 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3003 }
287e38aa 3004 rtnl_unlock();
7b749ff4
SV		 3005
3006 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3007 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3008 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3009 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3010 return;
3011 }
af19b491
AKS		 3012 goto err_ret;
3013 }
3014
f73dfc50 3015 qlcnic_api_unlock(adapter);
aa5e18c0 3016
9f26f547 3017wait_npar:
a15ebd37 3018 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3019 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3020
af19b491 3021 switch (dev_state) {
3c4b23b1 3022 case QLCNIC_DEV_READY:
7e2cf4fe 3023 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3024 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3025 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3026 return;
3027 }
3c4b23b1
AKS		 3028 case QLCNIC_DEV_FAILED:
3029 break;
3030 default:
3031 qlcnic_schedule_work(adapter,
3032 qlcnic_fwinit_work, FW_POLL_DELAY);
3033 return;
af19b491
AKS		 3034 }
3035
3036err_ret:
f73dfc50
AKS		 3037 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3038 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3039 netif_device_attach(adapter->netdev);
21854f02 3040 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3041}
3042
3043static void
3044qlcnic_detach_work(struct work_struct *work)
3045{
3046 struct qlcnic_adapter *adapter = container_of(work,
3047 struct qlcnic_adapter, fw_work.work);
3048 struct net_device *netdev = adapter->netdev;
3049 u32 status;
3050
3051 netif_device_detach(netdev);
3052
b8c17620
AKS		 3053 /* Dont grab rtnl lock during Quiscent mode */
3054 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3055 if (netif_running(netdev))
3056 __qlcnic_down(adapter, netdev);
3057 } else
3058 qlcnic_down(adapter, netdev);
af19b491 3059
a15ebd37 3060 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3061
44f65b29
SC		 3062 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3063 dev_err(&adapter->pdev->dev,
3064 "Detaching the device: peg halt status1=0x%x\n",
3065 status);
3066
3067 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3068 dev_err(&adapter->pdev->dev,
3069 "On board active cooling fan failed. "
3070 "Device has been halted.\n");
3071 dev_err(&adapter->pdev->dev,
3072 "Replace the adapter.\n");
3073 }
3074
af19b491 3075 goto err_ret;
44f65b29 3076 }
af19b491 3077
79788450 3078 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3079 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3080 adapter->ahw->temp);
af19b491 3081 goto err_ret;
44f65b29
SC		 3082 }
3083
602ca6f0
SV		 3084 /* Dont ack if this instance is the reset owner */
3085 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3086 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3087 dev_err(&adapter->pdev->dev,
3088 "Failed to set driver state,"
3089 "detaching the device.\n");
602ca6f0 3090 goto err_ret;
44f65b29 3091 }
602ca6f0 3092 }
af19b491
AKS		 3093
3094 adapter->fw_wait_cnt = 0;
3095
3096 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3097
3098 return;
3099
3100err_ret:
34ce3626 3101 netif_device_attach(netdev);
21854f02 3102 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3103}
3104
3c4b23b1
AKS		 3105/*Transit NPAR state to NON Operational */
3106static void
3107qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3108{
3109 u32 state;
3110
a15ebd37 3111 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3112 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3113 return;
3114
3115 if (qlcnic_api_lock(adapter))
3116 return;
a15ebd37
HM		 3117 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3118 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3119 qlcnic_api_unlock(adapter);
3120}
3121
7e2cf4fe 3122void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 3123{
646779f1
SV		 3124 u32 state, xg_val = 0, gb_val = 0;
3125
3126 qlcnic_xg_set_xg0_mask(xg_val);
3127 qlcnic_xg_set_xg1_mask(xg_val);
3128 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3129 qlcnic_gb_set_gb0_mask(gb_val);
3130 qlcnic_gb_set_gb1_mask(gb_val);
3131 qlcnic_gb_set_gb2_mask(gb_val);
3132 qlcnic_gb_set_gb3_mask(gb_val);
3133 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3134 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3135 " on all ports\n");
cea8975e 3136 adapter->need_fw_reset = 1;
13159183 3137
af19b491
AKS		 3138 if (qlcnic_api_lock(adapter))
3139 return;
3140
13159183 3141 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 3142
f73dfc50 3143 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3144 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3145 QLCNIC_DEV_NEED_RESET);
602ca6f0 3146 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3147 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3148 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3149 }
3150
13159183
SC		 3151 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3152 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3153 qlcnic_api_unlock(adapter);
3154}
3155
9f26f547
AC		 3156/* Transit to NPAR READY state from NPAR NOT READY state */
3157static void
3158qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3159{
9f26f547
AC		 3160 if (qlcnic_api_lock(adapter))
3161 return;
3162
a15ebd37
HM		 3163 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3164 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3165 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3166
3167 qlcnic_api_unlock(adapter);
3168}
3169
13159183
SC		 3170void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3171 work_func_t func, int delay)
af19b491 3172{
451724c8
SC		 3173 if (test_bit(__QLCNIC_AER, &adapter->state))
3174 return;
3175
af19b491 3176 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3177 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3178 round_jiffies_relative(delay));
af19b491
AKS		 3179}
3180
3181static void
3182qlcnic_attach_work(struct work_struct *work)
3183{
3184 struct qlcnic_adapter *adapter = container_of(work,
3185 struct qlcnic_adapter, fw_work.work);
3186 struct net_device *netdev = adapter->netdev;
b18971d1 3187 u32 npar_state;
af19b491 3188
79788450 3189 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3190 npar_state = QLC_SHARED_REG_RD32(adapter,
3191 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3192 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3193 qlcnic_clr_all_drv_state(adapter, 0);
3194 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3195 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3196 FW_POLL_DELAY);
3197 else
3198 goto attach;
3199 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3200 return;
3201 }
3202attach:
af19b491 3203 if (netif_running(netdev)) {
52486a3a 3204 if (qlcnic_up(adapter, netdev))
af19b491 3205 goto done;
af19b491 3206
aec1e845 3207 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3208 }
3209
af19b491 3210done:
34ce3626 3211 netif_device_attach(netdev);
af19b491 3212 adapter->fw_fail_cnt = 0;
032a13c7 3213 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3214 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3215 if (adapter->portnum == 0)
3216 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3217
3218 if (!qlcnic_clr_drv_state(adapter))
3219 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3220 FW_POLL_DELAY);
af19b491
AKS		 3221}
3222
3223static int
3224qlcnic_check_health(struct qlcnic_adapter *adapter)
3225{
4e70812b 3226 u32 state = 0, heartbeat;
853d4bca 3227 u32 peg_status;
4bd8e738 3228 int err = 0;
af19b491
AKS		 3229
3230 if (qlcnic_check_temp(adapter))
3231 goto detach;
3232
2372a5f1 3233 if (adapter->need_fw_reset)
7e2cf4fe 3234 qlcnic_dev_request_reset(adapter, 0);
af19b491 3235
a15ebd37 3236 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3237 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3238 qlcnic_set_npar_non_operational(adapter);
af19b491 3239 adapter->need_fw_reset = 1;
b8c17620
AKS		 3240 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3241 goto detach;
af19b491 3242
a15ebd37 3243 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3244 if (heartbeat != adapter->heartbeat) {
3245 adapter->heartbeat = heartbeat;
af19b491
AKS		 3246 adapter->fw_fail_cnt = 0;
3247 if (adapter->need_fw_reset)
3248 goto detach;
68bf1c68 3249
0ce54ce4 3250 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3251 qlcnic_reset_hw_context(adapter);
68bf1c68 3252
af19b491
AKS		 3253 return 0;
3254 }
3255
3256 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3257 return 0;
3258
032a13c7
SV		 3259 adapter->flags |= QLCNIC_FW_HANG;
3260
7e2cf4fe 3261 qlcnic_dev_request_reset(adapter, 0);
af19b491 3262
099f7aa7 3263 if (qlcnic_auto_fw_reset)
0df170b6 3264 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3265
853d4bca 3266 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3267 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3268 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3269 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3270 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3271 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3272 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3273 peg_status,
3274 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3275 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3276 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3277 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3278 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3279 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3280 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3281 dev_err(&adapter->pdev->dev,
3282 "Firmware aborted with error code 0x00006700. "
3283 "Device is being reset.\n");
af19b491
AKS		 3284detach:
3285 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3286 QLCNIC_DEV_NEED_RESET;
3287
099f7aa7
SC		 3288 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3289 &adapter->state)) {
65b5b420 3290
af19b491 3291 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3292 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3293 }
af19b491
AKS		 3294
3295 return 1;
3296}
3297
486a5bc7 3298void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3299{
3300 struct qlcnic_adapter *adapter = container_of(work,
3301 struct qlcnic_adapter, fw_work.work);
3302
3303 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3304 goto reschedule;
3305
3306
3307 if (qlcnic_check_health(adapter))
3308 return;
3309
b5e5492c
AKS		 3310 if (adapter->fhash.fnum)
3311 qlcnic_prune_lb_filters(adapter);
3312
af19b491
AKS		 3313reschedule:
3314 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3315}
3316
451724c8
SC		 3317static int qlcnic_is_first_func(struct pci_dev *pdev)
3318{
3319 struct pci_dev *oth_pdev;
3320 int val = pdev->devfn;
3321
3322 while (val-- > 0) {
3323 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3324 (pdev->bus), pdev->bus->number,
3325 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3326 if (!oth_pdev)
3327 continue;
451724c8 3328
bfc978fa
AKS		 3329 if (oth_pdev->current_state != PCI_D3cold) {
3330 pci_dev_put(oth_pdev);
451724c8 3331 return 0;
bfc978fa
AKS		 3332 }
3333 pci_dev_put(oth_pdev);
451724c8
SC		 3334 }
3335 return 1;
3336}
3337
3338static int qlcnic_attach_func(struct pci_dev *pdev)
3339{
3340 int err, first_func;
3341 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3342 struct net_device *netdev = adapter->netdev;
3343
3344 pdev->error_state = pci_channel_io_normal;
3345
3346 err = pci_enable_device(pdev);
3347 if (err)
3348 return err;
3349
451724c8
SC		 3350 pci_set_master(pdev);
3351 pci_restore_state(pdev);
3352
3353 first_func = qlcnic_is_first_func(pdev);
3354
3355 if (qlcnic_api_lock(adapter))
3356 return -EINVAL;
3357
79788450 3358 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3359 adapter->need_fw_reset = 1;
3360 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3361 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3362 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3363 QLCDB(adapter, DRV, "Restarting fw\n");
3364 }
3365 qlcnic_api_unlock(adapter);
3366
13159183 3367 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3368 if (err)
3369 return err;
3370
3371 qlcnic_clr_drv_state(adapter);
13159183
SC		 3372 kfree(adapter->msix_entries);
3373 adapter->msix_entries = NULL;
3374 err = qlcnic_setup_intr(adapter, 0);
3375
9a97e705
M		 3376 if (err) {
3377 kfree(adapter->msix_entries);
3378 netdev_err(netdev, "failed to setup interrupt\n");
3379 return err;
3380 }
3381
13159183 3382 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3383 /* register for NIC IDC AEN Events */
3384 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3385 err = qlcnic_83xx_setup_mbx_intr(adapter);
3386 if (err) {
3387 dev_err(&adapter->pdev->dev,
3388 "failed to setup mbx interrupt\n");
3389 qlcnic_clr_all_drv_state(adapter, 1);
3390 clear_bit(__QLCNIC_AER, &adapter->state);
3391 goto done;
3392 }
3393 }
451724c8
SC		 3394
3395 if (netif_running(netdev)) {
3396 err = qlcnic_attach(adapter);
3397 if (err) {
21854f02 3398 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3399 clear_bit(__QLCNIC_AER, &adapter->state);
3400 netif_device_attach(netdev);
3401 return err;
3402 }
3403
3404 err = qlcnic_up(adapter, netdev);
3405 if (err)
3406 goto done;
3407
aec1e845 3408 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3409 }
3410 done:
3411 netif_device_attach(netdev);
3412 return err;
3413}
3414
3415static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3416 pci_channel_state_t state)
3417{
3418 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3419 struct net_device *netdev = adapter->netdev;
3420
3421 if (state == pci_channel_io_perm_failure)
3422 return PCI_ERS_RESULT_DISCONNECT;
3423
3424 if (state == pci_channel_io_normal)
3425 return PCI_ERS_RESULT_RECOVERED;
3426
3427 set_bit(__QLCNIC_AER, &adapter->state);
3428 netif_device_detach(netdev);
3429
3430 cancel_delayed_work_sync(&adapter->fw_work);
3431
3432 if (netif_running(netdev))
3433 qlcnic_down(adapter, netdev);
3434
13159183 3435 if (qlcnic_83xx_check(adapter)) {
13159183 3436 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3437 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3438 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3439 }
3440
451724c8
SC		 3441 qlcnic_detach(adapter);
3442 qlcnic_teardown_intr(adapter);
3443
3444 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3445
3446 pci_save_state(pdev);
3447 pci_disable_device(pdev);
3448
3449 return PCI_ERS_RESULT_NEED_RESET;
3450}
3451
3452static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3453{
3454 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3455 PCI_ERS_RESULT_RECOVERED;
3456}
3457
3458static void qlcnic_io_resume(struct pci_dev *pdev)
3459{
a15ebd37 3460 u32 state;
451724c8
SC		 3461 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3462
3463 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3464 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3465 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3466 &adapter->state))
451724c8
SC		 3467 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3468 FW_POLL_DELAY);
3469}
3470
87eb743b
AC		 3471static int
3472qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3473{
3474 int err;
3475
3476 err = qlcnic_can_start_firmware(adapter);
3477 if (err)
3478 return err;
3479
78f84e1a
AKS		 3480 err = qlcnic_check_npar_opertional(adapter);
3481 if (err)
3482 return err;
3c4b23b1 3483
174240a8
RB		 3484 err = qlcnic_initialize_nic(adapter);
3485 if (err)
3486 return err;
3487
87eb743b
AC		 3488 qlcnic_check_options(adapter);
3489
7373373d
RB		 3490 err = qlcnic_set_eswitch_port_config(adapter);
3491 if (err)
3492 return err;
3493
87eb743b
AC		 3494 adapter->need_fw_reset = 0;
3495
3496 return err;
3497}
3498
6389b76d 3499int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
012ec812 3500 __u32 val)
f94bc1e7 3501{
6389b76d
MC		 3502 struct net_device *netdev = adapter->netdev;
3503 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3504 u32 max_allowed;
3505
012ec812 3506 if (val > QLCNIC_MAX_SDS_RINGS) {
6389b76d 3507 netdev_err(netdev, "RSS value should not be higher than %u\n",
012ec812 3508 QLCNIC_MAX_SDS_RINGS);
6389b76d 3509 return -EINVAL;
f94bc1e7
SC		 3510 }
3511
319ecf12
SC		 3512 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3513 num_online_cpus()));
3514 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3515 if (!is_power_of_2(val))
3516 netdev_err(netdev, "RSS value should be a power of 2\n");
3517
3518 if (val < 2)
3519 netdev_err(netdev, "RSS value should not be lower than 2\n");
3520
3521 if (val > max_hw)
3522 netdev_err(netdev,
3523 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3524 max_hw);
3525
3526 if (val > num_online_cpus())
3527 netdev_err(netdev,
3528 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3529 num_online_cpus());
3530
3531 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3532
f94bc1e7
SC		 3533 return -EINVAL;
3534 }
3535 return 0;
f94bc1e7
SC		 3536}
3537
319ecf12 3538int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3539{
13159183 3540 int err;
f94bc1e7 3541 struct net_device *netdev = adapter->netdev;
f94bc1e7 3542
319ecf12
SC		 3543 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3544 return -EBUSY;
3545
f94bc1e7
SC		 3546 netif_device_detach(netdev);
3547 if (netif_running(netdev))
3548 __qlcnic_down(adapter, netdev);
13159183 3549
7dd90cf1
SC		 3550 qlcnic_detach(adapter);
3551
7ed3ce48 3552 if (qlcnic_83xx_check(adapter)) {
13159183 3553 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3554 qlcnic_83xx_enable_mbx_poll(adapter);
3555 }
13159183 3556
f94bc1e7 3557 qlcnic_teardown_intr(adapter);
319ecf12 3558 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3559 if (err) {
3560 kfree(adapter->msix_entries);
3561 netdev_err(netdev, "failed to setup interrupt\n");
3562 return err;
3563 }
f94bc1e7 3564
13159183 3565 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3566 /* register for NIC IDC AEN Events */
3567 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3568 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3569 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3570 if (err) {
3571 dev_err(&adapter->pdev->dev,
3572 "failed to setup mbx interrupt\n");
3573 goto done;
3574 }
f94bc1e7
SC		 3575 }
3576
3577 if (netif_running(netdev)) {
3578 err = qlcnic_attach(adapter);
3579 if (err)
3580 goto done;
3581 err = __qlcnic_up(adapter, netdev);
3582 if (err)
3583 goto done;
3584 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3585 }
319ecf12 3586 err = len;
f94bc1e7
SC		 3587 done:
3588 netif_device_attach(netdev);
3589 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3590 return err;
3591}
3592
af19b491
AKS		 3593#ifdef CONFIG_INET
3594
3595#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3596
af19b491 3597static void
aec1e845
AKS		 3598qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3599 struct net_device *dev, unsigned long event)
af19b491
AKS		 3600{
3601 struct in_device *indev;
af19b491 3602
af19b491
AKS		 3603 indev = in_dev_get(dev);
3604 if (!indev)
3605 return;
3606
3607 for_ifa(indev) {
3608 switch (event) {
3609 case NETDEV_UP:
3610 qlcnic_config_ipaddr(adapter,
3611 ifa->ifa_address, QLCNIC_IP_UP);
3612 break;
3613 case NETDEV_DOWN:
3614 qlcnic_config_ipaddr(adapter,
3615 ifa->ifa_address, QLCNIC_IP_DOWN);
3616 break;
3617 default:
3618 break;
3619 }
3620 } endfor_ifa(indev);
3621
3622 in_dev_put(indev);
af19b491
AKS		 3623}
3624
319ecf12 3625void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3626{
3627 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3628 struct net_device *dev;
3629 u16 vid;
3630
3631 qlcnic_config_indev_addr(adapter, netdev, event);
3632
43c00a75 3633 rcu_read_lock();
b9796a14 3634 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3635 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3636 if (!dev)
3637 continue;
aec1e845
AKS		 3638 qlcnic_config_indev_addr(adapter, dev, event);
3639 }
43c00a75 3640 rcu_read_unlock();
aec1e845
AKS		 3641}
3642
af19b491
AKS		 3643static int qlcnic_netdev_event(struct notifier_block *this,
3644 unsigned long event, void *ptr)
3645{
3646 struct qlcnic_adapter *adapter;
351638e7 3647 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 3648
3649recheck:
3650 if (dev == NULL)
3651 goto done;
3652
3653 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3654 dev = vlan_dev_real_dev(dev);
3655 goto recheck;
3656 }
3657
3658 if (!is_qlcnic_netdev(dev))
3659 goto done;
3660
3661 adapter = netdev_priv(dev);
3662
3663 if (!adapter)
3664 goto done;
3665
8a15ad1f 3666 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3667 goto done;
3668
aec1e845 3669 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3670done:
3671 return NOTIFY_DONE;
3672}
3673
3674static int
3675qlcnic_inetaddr_event(struct notifier_block *this,
3676 unsigned long event, void *ptr)
3677{
3678 struct qlcnic_adapter *adapter;
3679 struct net_device *dev;
3680
3681 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3682
3683 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3684
3685recheck:
aec1e845 3686 if (dev == NULL)
af19b491
AKS		 3687 goto done;
3688
3689 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3690 dev = vlan_dev_real_dev(dev);
3691 goto recheck;
3692 }
3693
3694 if (!is_qlcnic_netdev(dev))
3695 goto done;
3696
3697 adapter = netdev_priv(dev);
3698
251a84c9 3699 if (!adapter)
af19b491
AKS		 3700 goto done;
3701
8a15ad1f 3702 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3703 goto done;
3704
3705 switch (event) {
3706 case NETDEV_UP:
3707 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3708
af19b491
AKS		 3709 break;
3710 case NETDEV_DOWN:
3711 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3712
af19b491
AKS		 3713 break;
3714 default:
3715 break;
3716 }
3717
3718done:
3719 return NOTIFY_DONE;
3720}
3721
3722static struct notifier_block qlcnic_netdev_cb = {
3723 .notifier_call = qlcnic_netdev_event,
3724};
3725
3726static struct notifier_block qlcnic_inetaddr_cb = {
3727 .notifier_call = qlcnic_inetaddr_event,
3728};
3729#else
f8ca2b6f 3730void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3731{ }
3732#endif
fec9dd15 3733static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3734 .error_detected = qlcnic_io_error_detected,
3735 .slot_reset = qlcnic_io_slot_reset,
3736 .resume = qlcnic_io_resume,
3737};
af19b491
AKS		 3738
3739static struct pci_driver qlcnic_driver = {
3740 .name = qlcnic_driver_name,
3741 .id_table = qlcnic_pci_tbl,
3742 .probe = qlcnic_probe,
6bb58bb0 3743 .remove = qlcnic_remove,
af19b491
AKS		 3744#ifdef CONFIG_PM
3745 .suspend = qlcnic_suspend,
3746 .resume = qlcnic_resume,
3747#endif
451724c8 3748 .shutdown = qlcnic_shutdown,
02feda17
RB		 3749 .err_handler = &qlcnic_err_handler,
3750#ifdef CONFIG_QLCNIC_SRIOV
3751 .sriov_configure = qlcnic_pci_sriov_configure,
3752#endif
451724c8 3753
af19b491
AKS		 3754};
3755
3756static int __init qlcnic_init_module(void)
3757{
0cf3a14c 3758 int ret;
af19b491
AKS		 3759
3760 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3761
3762#ifdef CONFIG_INET
3763 register_netdevice_notifier(&qlcnic_netdev_cb);
3764 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3765#endif
3766
0cf3a14c
AKS		 3767 ret = pci_register_driver(&qlcnic_driver);
3768 if (ret) {
3769#ifdef CONFIG_INET
3770 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3771 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3772#endif
3773 }
af19b491 3774
0cf3a14c 3775 return ret;
af19b491
AKS		 3776}
3777
3778module_init(qlcnic_init_module);
3779
3780static void __exit qlcnic_exit_module(void)
3781{
af19b491
AKS		 3782 pci_unregister_driver(&qlcnic_driver);
3783
3784#ifdef CONFIG_INET
3785 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3786 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3787#endif
3788}
3789
3790module_exit(qlcnic_exit_module);
Linux 6.x block layer and io_uring tree(s)