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[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
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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{
af19b491
AKS		 287 struct net_device *netdev = adapter->netdev;
288 struct pci_dev *pdev = adapter->pdev;
07a251c8
SS		 289 u8 mac_addr[ETH_ALEN];
290 int ret;
af19b491 291
07a251c8
SS		 292 ret = qlcnic_get_mac_address(adapter, mac_addr,
293 adapter->ahw->pci_func);
294 if (ret)
295 return ret;
af19b491 296
2e9d722d 297 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 298 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
299
300 /* set station address */
301
aaeb6cdf 302 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 303 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
304 netdev->dev_addr);
305
306 return 0;
307}
308
cffe52f3
MC		 309static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
310{
311 struct qlcnic_mac_list_s *cur;
312 struct list_head *head;
313
314 list_for_each(head, &adapter->mac_list) {
315 cur = list_entry(head, struct qlcnic_mac_list_s, list);
316 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
317 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
318 0, QLCNIC_MAC_DEL);
319 list_del(&cur->list);
320 kfree(cur);
321 return;
322 }
323 }
324}
325
af19b491
AKS		 326static int qlcnic_set_mac(struct net_device *netdev, void *p)
327{
328 struct qlcnic_adapter *adapter = netdev_priv(netdev);
329 struct sockaddr *addr = p;
330
7cb03b23
RB		 331 if (qlcnic_sriov_vf_check(adapter))
332 return -EINVAL;
333
7373373d
RB		 334 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
335 return -EOPNOTSUPP;
336
af19b491 337 if (!is_valid_ether_addr(addr->sa_data))
13159183 338 return -EINVAL;
af19b491 339
cffe52f3
MC		 340 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
341 return 0;
342
8a15ad1f 343 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 344 netif_device_detach(netdev);
345 qlcnic_napi_disable(adapter);
346 }
347
cffe52f3 348 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 349 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
350 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
351 qlcnic_set_multi(adapter->netdev);
352
8a15ad1f 353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 354 netif_device_attach(netdev);
355 qlcnic_napi_enable(adapter);
356 }
357 return 0;
358}
359
1690be63
VY		 360static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
361 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 362{
363 struct qlcnic_adapter *adapter = netdev_priv(netdev);
364 int err = -EOPNOTSUPP;
365
3e5c112f
VY		 366 if (!adapter->fdb_mac_learn)
367 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 368
369 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
52e493d0
JK		 370 if (is_unicast_ether_addr(addr)) {
371 err = dev_uc_del(netdev, addr);
372 if (!err)
373 err = qlcnic_nic_del_mac(adapter, addr);
374 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 375 err = dev_mc_del(netdev, addr);
52e493d0 376 } else {
fe1adc6b 377 err = -EINVAL;
52e493d0 378 }
fe1adc6b
JK		 379 }
380 return err;
381}
382
383static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
384 struct net_device *netdev,
385 const unsigned char *addr, u16 flags)
386{
387 struct qlcnic_adapter *adapter = netdev_priv(netdev);
388 int err = 0;
389
3e5c112f
VY		 390 if (!adapter->fdb_mac_learn)
391 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 392
393 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
394 pr_info("%s: FDB e-switch is not enabled\n", __func__);
395 return -EOPNOTSUPP;
396 }
397
398 if (ether_addr_equal(addr, adapter->mac_addr))
399 return err;
400
52e493d0
JK		 401 if (is_unicast_ether_addr(addr)) {
402 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
403 err = dev_uc_add_excl(netdev, addr);
404 else
405 err = -ENOMEM;
406 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 407 err = dev_mc_add_excl(netdev, addr);
52e493d0 408 } else {
fe1adc6b 409 err = -EINVAL;
52e493d0 410 }
fe1adc6b
JK		 411
412 return err;
413}
414
415static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
416 struct net_device *netdev, int idx)
417{
418 struct qlcnic_adapter *adapter = netdev_priv(netdev);
419
3e5c112f
VY		 420 if (!adapter->fdb_mac_learn)
421 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 422
423 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
424 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
425
426 return idx;
427}
428
7e2cf4fe
SC		 429static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
430{
431 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
432 usleep_range(10000, 11000);
433
66451615
SC		 434 if (!adapter->fw_work.work.func)
435 return;
436
7e2cf4fe
SC		 437 cancel_delayed_work_sync(&adapter->fw_work);
438}
439
07a251c8
SS		 440static int qlcnic_get_phys_port_id(struct net_device *netdev,
441 struct netdev_phys_port_id *ppid)
442{
443 struct qlcnic_adapter *adapter = netdev_priv(netdev);
444 struct qlcnic_hardware_context *ahw = adapter->ahw;
445
446 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
447 return -EOPNOTSUPP;
448
449 ppid->id_len = sizeof(ahw->phys_port_id);
450 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
451
452 return 0;
453}
454
af19b491
AKS		 455static const struct net_device_ops qlcnic_netdev_ops = {
456 .ndo_open = qlcnic_open,
457 .ndo_stop = qlcnic_close,
458 .ndo_start_xmit = qlcnic_xmit_frame,
459 .ndo_get_stats = qlcnic_get_stats,
460 .ndo_validate_addr = eth_validate_addr,
afc4b13d 461 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 462 .ndo_set_mac_address = qlcnic_set_mac,
463 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 464 .ndo_fix_features = qlcnic_fix_features,
465 .ndo_set_features = qlcnic_set_features,
af19b491 466 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 467 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
468 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 469 .ndo_fdb_add = qlcnic_fdb_add,
470 .ndo_fdb_del = qlcnic_fdb_del,
471 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 472 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
af19b491
AKS		 473#ifdef CONFIG_NET_POLL_CONTROLLER
474 .ndo_poll_controller = qlcnic_poll_controller,
475#endif
4000e7a7
RB		 476#ifdef CONFIG_QLCNIC_SRIOV
477 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
478 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
479 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 480 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 481 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 482#endif
af19b491
AKS		 483};
484
b43e5ee7
SC		 485static const struct net_device_ops qlcnic_netdev_failed_ops = {
486 .ndo_open = qlcnic_open,
487};
488
2e9d722d 489static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 490 .config_bridged_mode = qlcnic_config_bridged_mode,
491 .config_led = qlcnic_82xx_config_led,
492 .start_firmware = qlcnic_82xx_start_firmware,
493 .request_reset = qlcnic_82xx_dev_request_reset,
494 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
495 .napi_add = qlcnic_82xx_napi_add,
4be41e92 496 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 497 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 498 .shutdown = qlcnic_82xx_shutdown,
499 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 500 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
501};
502
503struct qlcnic_nic_template qlcnic_vf_ops = {
504 .config_bridged_mode = qlcnicvf_config_bridged_mode,
505 .config_led = qlcnicvf_config_led,
506 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 507};
508
7e2cf4fe
SC		 509static struct qlcnic_hardware_ops qlcnic_hw_ops = {
510 .read_crb = qlcnic_82xx_read_crb,
511 .write_crb = qlcnic_82xx_write_crb,
512 .read_reg = qlcnic_82xx_hw_read_wx_2M,
513 .write_reg = qlcnic_82xx_hw_write_wx_2M,
514 .get_mac_address = qlcnic_82xx_get_mac_address,
515 .setup_intr = qlcnic_82xx_setup_intr,
516 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
517 .mbx_cmd = qlcnic_82xx_issue_cmd,
518 .get_func_no = qlcnic_82xx_get_func_no,
519 .api_lock = qlcnic_82xx_api_lock,
520 .api_unlock = qlcnic_82xx_api_unlock,
521 .add_sysfs = qlcnic_82xx_add_sysfs,
522 .remove_sysfs = qlcnic_82xx_remove_sysfs,
523 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
524 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
525 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 526 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
527 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 528 .setup_link_event = qlcnic_82xx_linkevent_request,
529 .get_nic_info = qlcnic_82xx_get_nic_info,
530 .get_pci_info = qlcnic_82xx_get_pci_info,
531 .set_nic_info = qlcnic_82xx_set_nic_info,
532 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
533 .napi_enable = qlcnic_82xx_napi_enable,
534 .napi_disable = qlcnic_82xx_napi_disable,
535 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
536 .config_rss = qlcnic_82xx_config_rss,
537 .config_hw_lro = qlcnic_82xx_config_hw_lro,
538 .config_loopback = qlcnic_82xx_set_lb_mode,
539 .clear_loopback = qlcnic_82xx_clear_lb_mode,
540 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
541 .change_l2_filter = qlcnic_82xx_change_filter,
542 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 543 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 544 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 545 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 546 .io_error_detected = qlcnic_82xx_io_error_detected,
547 .io_slot_reset = qlcnic_82xx_io_slot_reset,
548 .io_resume = qlcnic_82xx_io_resume,
2e9d722d
AC		 549};
550
012ec812
HM		 551static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter)
552{
553 struct qlcnic_hardware_context *ahw = adapter->ahw;
554 int num_tx_q;
555
556 if (ahw->msix_supported &&
557 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
558 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS,
559 num_online_cpus());
560 if (num_tx_q > 1) {
561 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE,
562 &adapter->state);
563 adapter->max_drv_tx_rings = num_tx_q;
564 }
565 } else {
566 adapter->max_drv_tx_rings = 1;
567 }
568}
569
7f966452 570int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 571{
af19b491 572 struct pci_dev *pdev = adapter->pdev;
012ec812 573 int max_tx_rings, max_sds_rings, tx_vector;
13159183 574 int err = -1, i;
da6c8063
RB		 575
576 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
577 max_tx_rings = 0;
578 tx_vector = 0;
579 } else {
580 max_tx_rings = adapter->max_drv_tx_rings;
581 tx_vector = 1;
582 }
13159183
SC		 583
584 if (!adapter->msix_entries) {
585 adapter->msix_entries = kcalloc(num_msix,
586 sizeof(struct msix_entry),
587 GFP_KERNEL);
b2adaca9 588 if (!adapter->msix_entries)
13159183 589 return -ENOMEM;
13159183 590 }
af19b491
AKS		 591
592 adapter->max_sds_rings = 1;
af19b491 593 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 594
79788450 595 if (adapter->ahw->msix_supported) {
f94bc1e7 596 enable_msix:
13159183
SC		 597 for (i = 0; i < num_msix; i++)
598 adapter->msix_entries[i].entry = i;
af19b491
AKS		 599 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
600 if (err == 0) {
601 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 602 if (qlcnic_83xx_check(adapter)) {
603 adapter->ahw->num_msix = num_msix;
604 /* subtract mail box and tx ring vectors */
13159183
SC		 605 adapter->max_sds_rings = num_msix -
606 max_tx_rings - 1;
607 } else {
012ec812
HM		 608 adapter->ahw->num_msix = num_msix;
609 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 610 !adapter->ahw->diag_test &&
012ec812
HM		 611 (adapter->max_drv_tx_rings > 1))
612 max_sds_rings = num_msix - max_tx_rings;
613 else
614 max_sds_rings = num_msix;
615
616 adapter->max_sds_rings = max_sds_rings;
13159183 617 }
af19b491 618 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 619 return err;
13159183
SC		 620 } else if (err > 0) {
621 dev_info(&pdev->dev,
622 "Unable to allocate %d MSI-X interrupt vectors\n",
623 num_msix);
624 if (qlcnic_83xx_check(adapter)) {
da6c8063 625 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 626 return err;
da6c8063 627 err -= (max_tx_rings + 1);
13159183 628 num_msix = rounddown_pow_of_two(err);
da6c8063 629 num_msix += (max_tx_rings + 1);
13159183
SC		 630 } else {
631 num_msix = rounddown_pow_of_two(err);
012ec812
HM		 632 if (qlcnic_check_multi_tx(adapter))
633 num_msix += max_tx_rings;
13159183
SC		 634 }
635
636 if (num_msix) {
637 dev_info(&pdev->dev,
dce056cb 638 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 639 num_msix);
f94bc1e7 640 goto enable_msix;
13159183
SC		 641 }
642 } else {
dce056cb
MC		 643 dev_info(&pdev->dev,
644 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 645 num_msix);
f94bc1e7
SC		 646 }
647 }
13159183 648
f94bc1e7
SC		 649 return err;
650}
af19b491 651
9a97e705 652static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 653{
9a97e705 654 int err = 0;
15087c2b 655 u32 offset, mask_reg;
f94bc1e7 656 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 657 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 658 struct pci_dev *pdev = adapter->pdev;
af19b491 659
099f7aa7 660 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 661 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 662 offset = msi_tgt_status[adapter->ahw->pci_func];
663 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
664 offset);
af19b491
AKS		 665 dev_info(&pdev->dev, "using msi interrupts\n");
666 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 667 return err;
af19b491 668 }
012ec812 669
9a97e705
M		 670 if (qlcnic_use_msi || qlcnic_use_msi_x)
671 return -EOPNOTSUPP;
af19b491 672
f94bc1e7 673 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 674 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 675 offset = legacy_intrp->tgt_status_reg;
676 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
677 mask_reg = legacy_intrp->tgt_mask_reg;
678 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
679 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
680 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 681 dev_info(&pdev->dev, "using legacy interrupts\n");
682 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 683 return err;
af19b491
AKS		 684}
685
aa4a1f7d 686int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr, int txq)
f94bc1e7 687{
012ec812 688 struct qlcnic_hardware_context *ahw = adapter->ahw;
9a97e705 689 int num_msix, err = 0;
f94bc1e7 690
7e2cf4fe
SC		 691 if (!num_intr)
692 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
693
012ec812 694 if (ahw->msix_supported) {
5f6ec29a 695 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe 696 num_intr));
aa4a1f7d
HM		 697 if (qlcnic_check_multi_tx(adapter)) {
698 if (txq)
699 adapter->max_drv_tx_rings = txq;
012ec812 700 num_msix += adapter->max_drv_tx_rings;
aa4a1f7d 701 }
012ec812 702 } else {
f94bc1e7 703 num_msix = 1;
012ec812 704 }
f94bc1e7 705
7e2cf4fe 706 err = qlcnic_enable_msix(adapter, num_msix);
012ec812 707 if (err == -ENOMEM)
7e2cf4fe 708 return err;
f94bc1e7 709
012ec812
HM		 710 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
711 qlcnic_disable_multi_tx(adapter);
712
713 err = qlcnic_enable_msi_legacy(adapter);
714 if (!err)
715 return err;
716 }
717
718 return 0;
719}
720
721int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
722{
723 struct qlcnic_hardware_context *ahw = adapter->ahw;
724 int err, i;
725
726 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 727 !ahw->diag_test &&
012ec812
HM		 728 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
729 ahw->intr_tbl = vzalloc(ahw->num_msix *
730 sizeof(struct qlcnic_intrpt_config));
731 if (!ahw->intr_tbl)
732 return -ENOMEM;
733
734 for (i = 0; i < ahw->num_msix; i++) {
735 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
736 ahw->intr_tbl[i].id = i;
737 ahw->intr_tbl[i].src = 0;
738 }
739
740 err = qlcnic_82xx_config_intrpt(adapter, 1);
741 if (err)
742 dev_err(&adapter->pdev->dev,
743 "Failed to configure Interrupt for %d vector\n",
744 ahw->num_msix);
9a97e705 745 return err;
012ec812 746 }
9a97e705 747
012ec812 748 return 0;
f94bc1e7 749}
13159183 750
319ecf12 751void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 752{
753 if (adapter->flags & QLCNIC_MSIX_ENABLED)
754 pci_disable_msix(adapter->pdev);
755 if (adapter->flags & QLCNIC_MSI_ENABLED)
756 pci_disable_msi(adapter->pdev);
13159183
SC		 757
758 kfree(adapter->msix_entries);
759 adapter->msix_entries = NULL;
760
761 if (adapter->ahw->intr_tbl) {
762 vfree(adapter->ahw->intr_tbl);
763 adapter->ahw->intr_tbl = NULL;
764 }
af19b491
AKS		 765}
766
f1a094a8 767static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 768{
f1a094a8
RB		 769 if (ahw->pci_base0 != NULL)
770 iounmap(ahw->pci_base0);
af19b491
AKS		 771}
772
7e2cf4fe
SC		 773static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
774{
775 struct qlcnic_pci_info *pci_info;
776 int ret;
777
778 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
779 switch (adapter->ahw->port_type) {
780 case QLCNIC_GBE:
781 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
782 break;
783 case QLCNIC_XGBE:
784 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
785 break;
786 }
787 return 0;
788 }
789
790 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
791 return 0;
792
793 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
794 if (!pci_info)
795 return -ENOMEM;
796
797 ret = qlcnic_get_pci_info(adapter, pci_info);
798 kfree(pci_info);
799 return ret;
800}
d71170fb 801
35dafcb0
SC		 802static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
803{
804 bool ret = false;
805
806 if (qlcnic_84xx_check(adapter)) {
807 ret = true;
808 } else if (qlcnic_83xx_check(adapter)) {
809 if (adapter->ahw->extra_capability[0] &
810 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
811 ret = true;
812 else
813 ret = false;
814 }
815
816 return ret;
817}
818
d71170fb 819int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 820{
e88db3bd 821 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 822 int i, ret = 0, j = 0;
823 u16 act_pci_func;
346fe763
RB		 824 u8 pfn;
825
e88db3bd
DC		 826 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
827 if (!pci_info)
828 return -ENOMEM;
829
bff57d8e
SC		 830 ret = qlcnic_get_pci_info(adapter, pci_info);
831 if (ret)
832 goto err_pci_info;
833
834 act_pci_func = adapter->ahw->act_pci_func;
835
ca315ac2 836 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 837 act_pci_func, GFP_KERNEL);
e88db3bd 838 if (!adapter->npars) {
900853a4 839 ret = -ENOMEM;
e88db3bd
DC		 840 goto err_pci_info;
841 }
346fe763 842
ca315ac2 843 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 844 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
845 if (!adapter->eswitch) {
900853a4 846 ret = -ENOMEM;
ca315ac2 847 goto err_npars;
346fe763
RB		 848 }
849
ca315ac2
DC		 850 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
851 pfn = pci_info[i].id;
bff57d8e 852
0f6efff9 853 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 854 ret = QL_STATUS_INVALID_PARAM;
855 goto err_eswitch;
856 }
bff57d8e
SC		 857
858 if (!pci_info[i].active ||
859 (pci_info[i].type != QLCNIC_TYPE_NIC))
860 continue;
861
35dafcb0
SC		 862 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
863 if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn))
864 adapter->npars[j].eswitch_status = true;
865 else
866 continue;
867 } else {
868 adapter->npars[j].eswitch_status = true;
869 }
870
bff57d8e
SC		 871 adapter->npars[j].pci_func = pfn;
872 adapter->npars[j].active = (u8)pci_info[i].active;
873 adapter->npars[j].type = (u8)pci_info[i].type;
874 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
875 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
876 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 877
bff57d8e 878 j++;
346fe763
RB		 879 }
880
35dafcb0
SC		 881 if (qlcnic_82xx_check(adapter)) {
882 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
883 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
884 } else if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
885 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
13159183
SC		 886 qlcnic_enable_eswitch(adapter, i, 1);
887 }
ca315ac2 888
e88db3bd 889 kfree(pci_info);
ca315ac2
DC		 890 return 0;
891
892err_eswitch:
346fe763
RB		 893 kfree(adapter->eswitch);
894 adapter->eswitch = NULL;
ca315ac2 895err_npars:
346fe763 896 kfree(adapter->npars);
ca315ac2 897 adapter->npars = NULL;
e88db3bd
DC		 898err_pci_info:
899 kfree(pci_info);
346fe763
RB		 900
901 return ret;
902}
903
2e9d722d
AC		 904static int
905qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
906{
907 u8 id;
7e8fd003 908 int ret;
2e9d722d 909 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 910 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 911
2e9d722d
AC		 912 ret = qlcnic_api_lock(adapter);
913 if (ret)
914 goto err_lock;
2e9d722d 915
7e8fd003
SS		 916 id = ahw->pci_func;
917 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
918 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
919 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 920 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 921 qlcnic_api_unlock(adapter);
922err_lock:
923 return ret;
924}
925
13159183
SC		 926static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
927 const struct pci_device_id *ent)
2e9d722d 928{
2e9d722d
AC		 929 u32 op_mode, priv_level;
930
931 /* Determine FW API version */
13159183
SC		 932 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
933 QLCNIC_FW_API);
2e9d722d
AC		 934
935 /* Find PCI function number */
13159183 936 qlcnic_get_func_no(adapter);
2e9d722d
AC		 937
938 /* Determine function privilege level */
13159183 939 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 940 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 941 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 942 else
b1fc6d3c 943 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 944
0866d96d 945 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 946 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 947 dev_info(&adapter->pdev->dev,
948 "HAL Version: %d Non Privileged function\n",
79788450 949 adapter->ahw->fw_hal_version);
9f26f547 950 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 951 } else
952 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 953}
954
15087c2b 955#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 956#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 957static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
958{
959 switch (dev_id) {
960 case PCI_DEVICE_ID_QLOGIC_QLE824X:
961 *bar = QLCNIC_82XX_BAR0_LENGTH;
962 break;
13159183 963 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 964 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 965 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 966 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 967 *bar = QLCNIC_83XX_BAR0_LENGTH;
968 break;
15087c2b
SC		 969 default:
970 *bar = 0;
971 }
972}
973
974static int qlcnic_setup_pci_map(struct pci_dev *pdev,
975 struct qlcnic_hardware_context *ahw)
af19b491 976{
15087c2b 977 u32 offset;
af19b491 978 void __iomem *mem_ptr0 = NULL;
15087c2b 979 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 980
af19b491 981 /* remap phys address */
af19b491
AKS		 982 mem_len = pci_resource_len(pdev, 0);
983
15087c2b
SC		 984 qlcnic_get_bar_length(pdev->device, &bar0_len);
985 if (mem_len >= bar0_len) {
af19b491
AKS		 986
987 mem_ptr0 = pci_ioremap_bar(pdev, 0);
988 if (mem_ptr0 == NULL) {
989 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
990 return -EIO;
991 }
992 pci_len0 = mem_len;
993 } else {
994 return -EIO;
995 }
996
f8468331 997 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 998
15087c2b
SC		 999 ahw->pci_base0 = mem_ptr0;
1000 ahw->pci_len0 = pci_len0;
1001 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1002 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1003
1004 return 0;
1005}
1006
60dcbcb0
MC		 1007static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1008 int index)
2343f06a
MC		 1009{
1010 struct pci_dev *pdev = adapter->pdev;
1011 unsigned short subsystem_vendor;
1012 bool ret = true;
1013
1014 subsystem_vendor = pdev->subsystem_vendor;
1015
1016 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1017 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1018 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1019 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1020 ret = true;
1021 else
1022 ret = false;
1023 }
1024
1025 return ret;
1026}
1027
22999798 1028static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1029{
1030 struct pci_dev *pdev = adapter->pdev;
1031 int i, found = 0;
1032
1033 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1034 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1035 qlcnic_boards[i].device == pdev->device &&
1036 qlcnic_validate_subsystem_id(adapter, i)) {
1037 found = 1;
1038 break;
af19b491 1039 }
af19b491
AKS		 1040 }
1041
1042 if (!found)
7f9a0c34 1043 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1044 else
1045 sprintf(name, "%pM: %s" , adapter->mac_addr,
1046 qlcnic_boards[i].short_name);
af19b491
AKS		 1047}
1048
1049static void
1050qlcnic_check_options(struct qlcnic_adapter *adapter)
1051{
a15ebd37 1052 int err;
031a4a26 1053 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1054 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1055 struct qlcnic_hardware_context *ahw = adapter->ahw;
1056 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1057
1058 prev_fw_version = adapter->fw_version;
af19b491 1059
a15ebd37
HM		 1060 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1061 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1062 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1063
1064 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1065
a15ebd37
HM		 1066 err = qlcnic_get_board_info(adapter);
1067 if (err) {
1068 dev_err(&pdev->dev, "Error getting board config info.\n");
1069 return;
1070 }
1071 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1072 if (fw_dump->tmpl_hdr == NULL ||
1073 adapter->fw_version > prev_fw_version) {
1074 if (fw_dump->tmpl_hdr)
1075 vfree(fw_dump->tmpl_hdr);
1076 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1077 dev_info(&pdev->dev,
1078 "Supports FW dump capability\n");
1079 }
1080 }
1081
13159183
SC		 1082 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1083 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1084
b1fc6d3c 1085 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1086 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1087 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1088 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1089 } else {
1090 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1091 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1092 }
1093
af19b491 1094 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1095 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1096
b1fc6d3c 1097 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1098 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1099 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1100 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1101 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1102 }
1103
099f7aa7 1104 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1105
1106 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1107
251b036a 1108 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1109}
1110
174240a8
RB		 1111static int
1112qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1113{
174240a8 1114 struct qlcnic_info nic_info;
4bd8e738 1115 int err = 0;
174240a8 1116
bff57d8e 1117 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1118 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1119 if (err)
1120 return err;
1121
79788450
SC		 1122 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1123 adapter->ahw->switch_mode = nic_info.switch_mode;
1124 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1125 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1126 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1127
1128 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1129 u32 temp;
4bd8e738
HM		 1130 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1131 if (err == -EIO)
1132 return err;
db131786 1133 adapter->ahw->extra_capability[0] = temp;
776e7bde 1134 }
79788450
SC		 1135 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1136 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1137
13159183
SC		 1138 /* Disable NPAR for 83XX */
1139 if (qlcnic_83xx_check(adapter))
1140 return err;
1141
79788450 1142 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 1143 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1144 else
1145 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1146
1147 return err;
1148}
1149
ec079a07
SC		 1150void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1151 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1152{
1153 if (esw_cfg->discard_tagged)
1154 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1155 else
1156 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1157
91b7282b
RB		 1158 if (esw_cfg->vlan_id) {
1159 adapter->rx_pvid = esw_cfg->vlan_id;
1160 adapter->tx_pvid = esw_cfg->vlan_id;
1161 } else {
1162 adapter->rx_pvid = 0;
1163 adapter->tx_pvid = 0;
1164 }
8cf61f89
AKS		 1165}
1166
8e586137 1167static int
80d5c368 1168qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1169{
1170 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1171 int err;
1172
1173 if (qlcnic_sriov_vf_check(adapter)) {
1174 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1175 if (err) {
1176 netdev_err(netdev,
1177 "Cannot add VLAN filter for VLAN id %d, err=%d",
1178 vid, err);
1179 return err;
1180 }
1181 }
1182
b9796a14 1183 set_bit(vid, adapter->vlans);
8e586137 1184 return 0;
b9796a14
AC		 1185}
1186
8e586137 1187static int
80d5c368 1188qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1189{
1190 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1191 int err;
1192
1193 if (qlcnic_sriov_vf_check(adapter)) {
1194 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1195 if (err) {
1196 netdev_err(netdev,
1197 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1198 vid, err);
1199 return err;
1200 }
1201 }
b9796a14
AC		 1202
1203 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1204 clear_bit(vid, adapter->vlans);
8e586137 1205 return 0;
b9796a14
AC		 1206}
1207
ec079a07
SC		 1208void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1209 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1210{
ee07c1a7
RB		 1211 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1212 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1213
1214 if (esw_cfg->mac_anti_spoof)
1215 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1216
7373373d
RB		 1217 if (!esw_cfg->mac_override)
1218 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1219
ee07c1a7
RB		 1220 if (!esw_cfg->promisc_mode)
1221 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1222}
1223
d71170fb 1224int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1225{
1226 struct qlcnic_esw_func_cfg esw_cfg;
1227
1228 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1229 return 0;
1230
b1fc6d3c 1231 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1232 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1233 return -EIO;
8cf61f89 1234 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1235 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1236 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1237
1238 return 0;
1239}
1240
147a9088
SS		 1241void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1242 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1243{
1244 struct net_device *netdev = adapter->netdev;
13159183
SC		 1245
1246 if (qlcnic_83xx_check(adapter))
1247 return;
0325d69b 1248
147a9088
SS		 1249 adapter->offload_flags = esw_cfg->offload_flags;
1250 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1251 netdev_update_features(netdev);
1252 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1253}
1254
0866d96d
AC		 1255static int
1256qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1257{
0866d96d
AC		 1258 u32 op_mode, priv_level;
1259 int err = 0;
1260
174240a8
RB		 1261 err = qlcnic_initialize_nic(adapter);
1262 if (err)
1263 return err;
1264
0866d96d
AC		 1265 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1266 return 0;
1267
13159183 1268 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1269 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1270
1271 if (op_mode == QLC_DEV_DRV_DEFAULT)
1272 priv_level = QLCNIC_MGMT_FUNC;
1273 else
b1fc6d3c 1274 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1275
174240a8 1276 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1277 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1278 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1279 err = qlcnic_init_pci_info(adapter);
1280 if (err)
1281 return err;
1282 /* Set privilege level for other functions */
1283 qlcnic_set_function_modes(adapter);
1284 dev_info(&adapter->pdev->dev,
1285 "HAL Version: %d, Management function\n",
79788450 1286 adapter->ahw->fw_hal_version);
0866d96d 1287 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1288 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1289 dev_info(&adapter->pdev->dev,
1290 "HAL Version: %d, Privileged function\n",
79788450 1291 adapter->ahw->fw_hal_version);
0866d96d 1292 }
174240a8 1293 }
0866d96d
AC		 1294
1295 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1296
1297 return err;
1298}
1299
d71170fb 1300int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1301{
1302 struct qlcnic_esw_func_cfg esw_cfg;
1303 struct qlcnic_npar_info *npar;
1304 u8 i;
1305
174240a8 1306 if (adapter->need_fw_reset)
0325d69b
RB		 1307 return 0;
1308
bff57d8e 1309 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
35dafcb0
SC		 1310 if (!adapter->npars[i].eswitch_status)
1311 continue;
1312
0325d69b 1313 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1314 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1315 esw_cfg.mac_override = BIT_0;
ee07c1a7 1316 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1317 if (qlcnic_82xx_check(adapter)) {
1318 esw_cfg.offload_flags = BIT_0;
1319 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1320 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1321 }
0325d69b
RB		 1322 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1323 return -EIO;
1324 npar = &adapter->npars[i];
1325 npar->pvid = esw_cfg.vlan_id;
7373373d 1326 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1327 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1328 npar->discard_tagged = esw_cfg.discard_tagged;
1329 npar->promisc_mode = esw_cfg.promisc_mode;
1330 npar->offload_flags = esw_cfg.offload_flags;
1331 }
1332
1333 return 0;
1334}
1335
13159183 1336
4e8acb01
RB		 1337static int
1338qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1339 struct qlcnic_npar_info *npar, int pci_func)
1340{
1341 struct qlcnic_esw_func_cfg esw_cfg;
1342 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1343 esw_cfg.pci_func = pci_func;
1344 esw_cfg.vlan_id = npar->pvid;
7373373d 1345 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1346 esw_cfg.discard_tagged = npar->discard_tagged;
1347 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1348 esw_cfg.offload_flags = npar->offload_flags;
1349 esw_cfg.promisc_mode = npar->promisc_mode;
1350 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1351 return -EIO;
1352
1353 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1354 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1355 return -EIO;
1356
1357 return 0;
1358}
1359
d71170fb 1360int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1361{
4e8acb01 1362 int i, err;
cea8975e
AC		 1363 struct qlcnic_npar_info *npar;
1364 struct qlcnic_info nic_info;
bff57d8e 1365 u8 pci_func;
cea8975e 1366
bff57d8e
SC		 1367 if (qlcnic_82xx_check(adapter))
1368 if (!adapter->need_fw_reset)
1369 return 0;
cea8975e 1370
4e8acb01 1371 /* Set the NPAR config data after FW reset */
bff57d8e 1372 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1373 npar = &adapter->npars[i];
bff57d8e 1374 pci_func = npar->pci_func;
35dafcb0
SC		 1375 if (!adapter->npars[i].eswitch_status)
1376 continue;
1377
bff57d8e 1378 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1379 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1380 if (err)
1381 return err;
1382 nic_info.min_tx_bw = npar->min_bw;
1383 nic_info.max_tx_bw = npar->max_bw;
1384 err = qlcnic_set_nic_info(adapter, &nic_info);
1385 if (err)
1386 return err;
cea8975e 1387
4e8acb01
RB		 1388 if (npar->enable_pm) {
1389 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1390 npar->dest_npar, 1,
1391 pci_func);
4e8acb01
RB		 1392 if (err)
1393 return err;
cea8975e 1394 }
bff57d8e 1395 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1396 if (err)
1397 return err;
cea8975e 1398 }
4e8acb01 1399 return 0;
cea8975e
AC		 1400}
1401
78f84e1a
AKS		 1402static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1403{
1404 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1405 u32 npar_state;
1406
79788450 1407 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1408 return 0;
1409
a15ebd37
HM		 1410 npar_state = QLC_SHARED_REG_RD32(adapter,
1411 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1412 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1413 msleep(1000);
a15ebd37
HM		 1414 npar_state = QLC_SHARED_REG_RD32(adapter,
1415 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1416 }
1417 if (!npar_opt_timeo) {
1418 dev_err(&adapter->pdev->dev,
8a168ca7 1419 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1420 return -EIO;
1421 }
1422 return 0;
1423}
1424
174240a8
RB		 1425static int
1426qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1427{
1428 int err;
1429
1430 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1431 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1432 return 0;
1433
1434 err = qlcnic_set_default_offload_settings(adapter);
1435 if (err)
1436 return err;
1437
1438 err = qlcnic_reset_npar_config(adapter);
1439 if (err)
1440 return err;
1441
1442 qlcnic_dev_set_npar_ready(adapter);
1443
1444 return err;
1445}
1446
7e2cf4fe 1447int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1448{
d4066833 1449 int err;
af19b491 1450
aa5e18c0
SC		 1451 err = qlcnic_can_start_firmware(adapter);
1452 if (err < 0)
1453 return err;
1454 else if (!err)
d4066833 1455 goto check_fw_status;
af19b491 1456
099f7aa7 1457 if (qlcnic_load_fw_file)
4d5bdb38 1458 qlcnic_request_firmware(adapter);
8f891387 1459 else {
8cfdce08
SC		 1460 err = qlcnic_check_flash_fw_ver(adapter);
1461 if (err)
8f891387 1462 goto err_out;
1463
79788450 1464 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1465 }
af19b491
AKS		 1466
1467 err = qlcnic_need_fw_reset(adapter);
af19b491 1468 if (err == 0)
4e70812b 1469 goto check_fw_status;
af19b491 1470
d4066833
SC		 1471 err = qlcnic_pinit_from_rom(adapter);
1472 if (err)
1473 goto err_out;
af19b491
AKS		 1474
1475 err = qlcnic_load_firmware(adapter);
1476 if (err)
1477 goto err_out;
1478
1479 qlcnic_release_firmware(adapter);
d4066833 1480 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1481
d4066833
SC		 1482check_fw_status:
1483 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1484 if (err)
1485 goto err_out;
1486
a15ebd37 1487 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1488 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1489 err = qlcnic_check_eswitch_mode(adapter);
1490 if (err) {
1491 dev_err(&adapter->pdev->dev,
1492 "Memory allocation failed for eswitch\n");
1493 goto err_out;
1494 }
174240a8
RB		 1495 err = qlcnic_set_mgmt_operations(adapter);
1496 if (err)
1497 goto err_out;
1498
1499 qlcnic_check_options(adapter);
af19b491
AKS		 1500 adapter->need_fw_reset = 0;
1501
a7fc948f
AKS		 1502 qlcnic_release_firmware(adapter);
1503 return 0;
af19b491
AKS		 1504
1505err_out:
a15ebd37 1506 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1507 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1508
af19b491
AKS		 1509 qlcnic_release_firmware(adapter);
1510 return err;
1511}
1512
1513static int
1514qlcnic_request_irq(struct qlcnic_adapter *adapter)
1515{
1516 irq_handler_t handler;
1517 struct qlcnic_host_sds_ring *sds_ring;
13159183 1518 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1519 int err, ring, num_sds_rings;
af19b491
AKS		 1520
1521 unsigned long flags = 0;
1522 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1523 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1524
79788450 1525 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1526 if (qlcnic_82xx_check(adapter))
1527 handler = qlcnic_tmp_intr;
c2534384
MC		 1528 else
1529 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1530 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1531 flags |= IRQF_SHARED;
1532
1533 } else {
1534 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1535 handler = qlcnic_msix_intr;
1536 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1537 handler = qlcnic_msi_intr;
1538 else {
1539 flags |= IRQF_SHARED;
ac166700
HM		 1540 if (qlcnic_82xx_check(adapter))
1541 handler = qlcnic_intr;
1542 else
1543 handler = qlcnic_83xx_intr;
7eb9855d 1544 }
af19b491
AKS		 1545 }
1546 adapter->irq = netdev->irq;
1547
13159183 1548 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1549 if (qlcnic_82xx_check(adapter) ||
1550 (qlcnic_83xx_check(adapter) &&
1551 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1552 num_sds_rings = adapter->max_sds_rings;
1553 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1554 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1555 if (qlcnic_82xx_check(adapter) &&
012ec812 1556 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1557 (ring == (num_sds_rings - 1))) {
1558 if (!(adapter->flags &
1559 QLCNIC_MSIX_ENABLED))
1560 snprintf(sds_ring->name,
1561 sizeof(sds_ring->name),
1562 "qlcnic");
1563 else
1564 snprintf(sds_ring->name,
1565 sizeof(sds_ring->name),
1566 "%s-tx-0-rx-%d",
1567 netdev->name, ring);
1568 } else {
ddb2e174
HM		 1569 snprintf(sds_ring->name,
1570 sizeof(sds_ring->name),
aa2a8034 1571 "%s-rx-%d",
ddb2e174 1572 netdev->name, ring);
aa2a8034 1573 }
ac166700
HM		 1574 err = request_irq(sds_ring->irq, handler, flags,
1575 sds_ring->name, sds_ring);
1576 if (err)
1577 return err;
1578 }
13159183 1579 }
012ec812
HM		 1580 if ((qlcnic_82xx_check(adapter) &&
1581 qlcnic_check_multi_tx(adapter)) ||
1582 (qlcnic_83xx_check(adapter) &&
1583 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1584 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183
SC		 1585 handler = qlcnic_msix_tx_intr;
1586 for (ring = 0; ring < adapter->max_drv_tx_rings;
1587 ring++) {
1588 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1589 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1590 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1591 err = request_irq(tx_ring->irq, handler, flags,
1592 tx_ring->name, tx_ring);
1593 if (err)
1594 return err;
1595 }
1596 }
af19b491 1597 }
af19b491
AKS		 1598 return 0;
1599}
1600
1601static void
1602qlcnic_free_irq(struct qlcnic_adapter *adapter)
1603{
1604 int ring;
1605 struct qlcnic_host_sds_ring *sds_ring;
13159183 1606 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1607
b1fc6d3c 1608 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1609
13159183 1610 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1611 if (qlcnic_82xx_check(adapter) ||
1612 (qlcnic_83xx_check(adapter) &&
1613 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1614 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1615 sds_ring = &recv_ctx->sds_rings[ring];
1616 free_irq(sds_ring->irq, sds_ring);
1617 }
13159183 1618 }
012ec812
HM		 1619 if ((qlcnic_83xx_check(adapter) &&
1620 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1621 (qlcnic_82xx_check(adapter) &&
1622 qlcnic_check_multi_tx(adapter))) {
13159183
SC		 1623 for (ring = 0; ring < adapter->max_drv_tx_rings;
1624 ring++) {
1625 tx_ring = &adapter->tx_ring[ring];
1626 if (tx_ring->irq)
1627 free_irq(tx_ring->irq, tx_ring);
1628 }
1629 }
af19b491
AKS		 1630 }
1631}
1632
99e85879
SS		 1633static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1634{
1635 u32 capab = 0;
1636
1637 if (qlcnic_82xx_check(adapter)) {
db131786 1638 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1639 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1640 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1641 } else {
1642 capab = adapter->ahw->capabilities;
1643 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1644 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1645 }
1646}
1647
319ecf12 1648int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1649{
8a15ad1f
AKS		 1650 int ring;
1651 struct qlcnic_host_rds_ring *rds_ring;
1652
af19b491
AKS		 1653 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1654 return -EIO;
1655
8a15ad1f
AKS		 1656 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1657 return 0;
012ec812 1658
0325d69b
RB		 1659 if (qlcnic_set_eswitch_port_config(adapter))
1660 return -EIO;
012ec812 1661
99e85879 1662 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1663
8a15ad1f
AKS		 1664 if (qlcnic_fw_create_ctx(adapter))
1665 return -EIO;
1666
1667 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1668 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1669 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1670 }
1671
af19b491
AKS		 1672 qlcnic_set_multi(netdev);
1673 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1674
b1fc6d3c 1675 adapter->ahw->linkup = 0;
af19b491
AKS		 1676
1677 if (adapter->max_sds_rings > 1)
1678 qlcnic_config_rss(adapter, 1);
1679
1680 qlcnic_config_intr_coalesce(adapter);
1681
24763d80 1682 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1683 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1684
cfacb172 1685 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1686 qlcnic_napi_enable(adapter);
1687
1688 qlcnic_linkevent_request(adapter, 1);
1689
79788450 1690 adapter->ahw->reset_context = 0;
af19b491
AKS		 1691 return 0;
1692}
1693
629263ac 1694int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1695{
1696 int err = 0;
1697
1698 rtnl_lock();
1699 if (netif_running(netdev))
1700 err = __qlcnic_up(adapter, netdev);
1701 rtnl_unlock();
1702
1703 return err;
1704}
1705
319ecf12 1706void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1707{
012ec812
HM		 1708 int ring;
1709
af19b491
AKS		 1710 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1711 return;
1712
1713 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1714 return;
1715
e8b508ef
RB		 1716 if (qlcnic_sriov_vf_check(adapter))
1717 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1718 smp_mb();
af19b491 1719 netif_carrier_off(netdev);
0a46bac0 1720 adapter->ahw->linkup = 0;
af19b491
AKS		 1721 netif_tx_disable(netdev);
1722
1723 qlcnic_free_mac_list(adapter);
1724
b5e5492c
AKS		 1725 if (adapter->fhash.fnum)
1726 qlcnic_delete_lb_filters(adapter);
1727
af19b491
AKS		 1728 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1729
1730 qlcnic_napi_disable(adapter);
1731
8a15ad1f 1732 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1733 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1734
1735 qlcnic_reset_rx_buffers_list(adapter);
012ec812
HM		 1736
1737 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1738 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1739}
1740
1741/* Usage: During suspend and firmware recovery module */
1742
629263ac 1743void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1744{
1745 rtnl_lock();
1746 if (netif_running(netdev))
1747 __qlcnic_down(adapter, netdev);
1748 rtnl_unlock();
1749
1750}
1751
319ecf12 1752int
af19b491
AKS		 1753qlcnic_attach(struct qlcnic_adapter *adapter)
1754{
1755 struct net_device *netdev = adapter->netdev;
1756 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1757 int err;
af19b491
AKS		 1758
1759 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1760 return 0;
1761
af19b491
AKS		 1762 err = qlcnic_napi_add(adapter, netdev);
1763 if (err)
1764 return err;
1765
1766 err = qlcnic_alloc_sw_resources(adapter);
1767 if (err) {
1768 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1769 goto err_out_napi_del;
af19b491
AKS		 1770 }
1771
1772 err = qlcnic_alloc_hw_resources(adapter);
1773 if (err) {
1774 dev_err(&pdev->dev, "Error in setting hw resources\n");
1775 goto err_out_free_sw;
1776 }
1777
af19b491
AKS		 1778 err = qlcnic_request_irq(adapter);
1779 if (err) {
1780 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1781 goto err_out_free_hw;
af19b491
AKS		 1782 }
1783
af19b491
AKS		 1784 qlcnic_create_sysfs_entries(adapter);
1785
1786 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1787 return 0;
1788
8a15ad1f 1789err_out_free_hw:
af19b491
AKS		 1790 qlcnic_free_hw_resources(adapter);
1791err_out_free_sw:
1792 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1793err_out_napi_del:
1794 qlcnic_napi_del(adapter);
af19b491
AKS		 1795 return err;
1796}
1797
319ecf12 1798void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1799{
1800 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1801 return;
1802
1803 qlcnic_remove_sysfs_entries(adapter);
1804
1805 qlcnic_free_hw_resources(adapter);
1806 qlcnic_release_rx_buffers(adapter);
1807 qlcnic_free_irq(adapter);
1808 qlcnic_napi_del(adapter);
1809 qlcnic_free_sw_resources(adapter);
1810
1811 adapter->is_up = 0;
1812}
1813
7eb9855d
AKS		 1814void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1815{
1816 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1817 struct qlcnic_host_sds_ring *sds_ring;
c2c5e3a0 1818 int max_tx_rings = adapter->max_drv_tx_rings;
7eb9855d
AKS		 1819 int ring;
1820
78ad3892 1821 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1822 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1823 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1824 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1825 qlcnic_disable_int(sds_ring);
cdaff185 1826 }
7eb9855d
AKS		 1827 }
1828
8a15ad1f
AKS		 1829 qlcnic_fw_destroy_ctx(adapter);
1830
7eb9855d
AKS		 1831 qlcnic_detach(adapter);
1832
79788450 1833 adapter->ahw->diag_test = 0;
7eb9855d 1834 adapter->max_sds_rings = max_sds_rings;
c2c5e3a0 1835 adapter->max_drv_tx_rings = max_tx_rings;
7eb9855d
AKS		 1836
1837 if (qlcnic_attach(adapter))
34ce3626 1838 goto out;
7eb9855d
AKS		 1839
1840 if (netif_running(netdev))
1841 __qlcnic_up(adapter, netdev);
34ce3626 1842out:
7eb9855d
AKS		 1843 netif_device_attach(netdev);
1844}
1845
b1fc6d3c
AC		 1846static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1847{
be273dc1 1848 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1849 int err = 0;
be273dc1 1850
b1fc6d3c
AC		 1851 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1852 GFP_KERNEL);
1853 if (!adapter->recv_ctx) {
b1fc6d3c 1854 err = -ENOMEM;
8816d009 1855 goto err_out;
b1fc6d3c 1856 }
8816d009 1857 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1858 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1859 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1860 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1861 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1862 if (qlcnic_83xx_check(adapter)) {
1863 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1864 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1865 }
4be41e92
SC		 1866 /* clear stats */
1867 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1868err_out:
1869 return err;
1870}
1871
1872static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1873{
1874 kfree(adapter->recv_ctx);
1875 adapter->recv_ctx = NULL;
1876
18f2f616
AC		 1877 if (adapter->ahw->fw_dump.tmpl_hdr) {
1878 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1879 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1880 }
4be41e92 1881
81d0aeb0 1882 kfree(adapter->ahw->reset.buff);
4be41e92 1883 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1884}
1885
7eb9855d
AKS		 1886int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1887{
1888 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1889 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1890 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1891 int ring;
1892 int ret;
1893
1894 netif_device_detach(netdev);
1895
1896 if (netif_running(netdev))
1897 __qlcnic_down(adapter, netdev);
1898
1899 qlcnic_detach(adapter);
1900
1901 adapter->max_sds_rings = 1;
79788450 1902 adapter->ahw->diag_test = test;
4be41e92 1903 adapter->ahw->linkup = 0;
c2c5e3a0 1904 adapter->max_drv_tx_rings = 1;
7eb9855d
AKS		 1905
1906 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1907 if (ret) {
1908 netif_device_attach(netdev);
7eb9855d 1909 return ret;
34ce3626 1910 }
7eb9855d 1911
8a15ad1f
AKS		 1912 ret = qlcnic_fw_create_ctx(adapter);
1913 if (ret) {
1914 qlcnic_detach(adapter);
57e46248 1915 netif_device_attach(netdev);
8a15ad1f
AKS		 1916 return ret;
1917 }
1918
1919 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1920 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1921 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1922 }
1923
79788450 1924 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1925 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1926 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1927 qlcnic_enable_int(sds_ring);
cdaff185 1928 }
7eb9855d 1929 }
22c8c934 1930
79788450 1931 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1932 adapter->ahw->loopback_state = 0;
1933 qlcnic_linkevent_request(adapter, 1);
1934 }
1935
78ad3892 1936 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1937
1938 return 0;
1939}
1940
68bf1c68
AKS		 1941/* Reset context in hardware only */
1942static int
1943qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1944{
1945 struct net_device *netdev = adapter->netdev;
1946
1947 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1948 return -EBUSY;
1949
1950 netif_device_detach(netdev);
1951
1952 qlcnic_down(adapter, netdev);
1953
1954 qlcnic_up(adapter, netdev);
1955
1956 netif_device_attach(netdev);
1957
1958 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1959 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1960 return 0;
1961}
1962
af19b491
AKS		 1963int
1964qlcnic_reset_context(struct qlcnic_adapter *adapter)
1965{
1966 int err = 0;
1967 struct net_device *netdev = adapter->netdev;
1968
1969 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1970 return -EBUSY;
1971
1972 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1973
1974 netif_device_detach(netdev);
1975
1976 if (netif_running(netdev))
1977 __qlcnic_down(adapter, netdev);
1978
1979 qlcnic_detach(adapter);
1980
1981 if (netif_running(netdev)) {
1982 err = qlcnic_attach(adapter);
1d5c88e3 1983 if (!err) {
34ce3626 1984 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1985 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1986 }
af19b491
AKS		 1987 }
1988
1989 netif_device_attach(netdev);
1990 }
1991
af19b491
AKS		 1992 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1993 return err;
1994}
1995
52e493d0
JK		 1996void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1997{
1998 struct qlcnic_hardware_context *ahw = adapter->ahw;
1999 u16 act_pci_fn = ahw->act_pci_func;
2000 u16 count;
2001
2002 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2003 if (act_pci_fn <= 2)
2004 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2005 act_pci_fn;
2006 else
2007 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2008 act_pci_fn;
2009 ahw->max_uc_count = count;
2010}
2011
f8468331 2012int
5ad6ff9d
SC		 2013qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2014 int pci_using_dac)
af19b491
AKS		 2015{
2016 int err;
2017 struct pci_dev *pdev = adapter->pdev;
2018
13159183 2019 adapter->rx_csum = 1;
79788450 2020 adapter->ahw->mc_enabled = 0;
52e493d0 2021 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2022
2023 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2024 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2025
2026 qlcnic_change_mtu(netdev, netdev->mtu);
2027
d1a1105e
RB		 2028 if (qlcnic_sriov_vf_check(adapter))
2029 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2030 else
2031 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 2032
7e38d04b 2033 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2034 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2035 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2036 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2037 NETIF_F_IPV6_CSUM);
ac8d0c4f 2038
13159183
SC		 2039 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2040 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2041 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2042 }
af19b491 2043
13159183
SC		 2044 if (pci_using_dac) {
2045 netdev->features |= NETIF_F_HIGHDMA;
2046 netdev->vlan_features |= NETIF_F_HIGHDMA;
2047 }
af19b491 2048
13159183 2049 if (qlcnic_vlan_tx_check(adapter))
f646968f 2050 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2051
91b7282b
RB		 2052 if (qlcnic_sriov_vf_check(adapter))
2053 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2054
13159183
SC		 2055 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2056 netdev->features |= NETIF_F_LRO;
135d84a9 2057
7e38d04b 2058 netdev->hw_features = netdev->features;
52e493d0 2059 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2060 netdev->irq = adapter->msix_entries[0].vector;
2061
aa4a1f7d
HM		 2062 err = qlcnic_set_real_num_queues(adapter, netdev);
2063 if (err)
2064 return err;
012ec812 2065
af19b491
AKS		 2066 err = register_netdev(netdev);
2067 if (err) {
2068 dev_err(&pdev->dev, "failed to register net device\n");
2069 return err;
2070 }
2071
48365e48
SC		 2072 qlcnic_dcb_init_dcbnl_ops(adapter);
2073
af19b491
AKS		 2074 return 0;
2075}
2076
5ad6ff9d 2077static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2078{
2079 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2080 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2081 *pci_using_dac = 1;
2082 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2083 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2084 *pci_using_dac = 0;
2085 else {
2086 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2087 return -EIO;
2088 }
2089
2090 return 0;
2091}
2092
4be41e92
SC		 2093void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2094{
2095 int ring;
2096 struct qlcnic_host_tx_ring *tx_ring;
2097
2098 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2099 tx_ring = &adapter->tx_ring[ring];
2100 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2101 vfree(tx_ring->cmd_buf_arr);
2102 tx_ring->cmd_buf_arr = NULL;
2103 }
2104 }
2105 if (adapter->tx_ring != NULL)
2106 kfree(adapter->tx_ring);
2107}
2108
2109int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2110 struct net_device *netdev)
2111{
b2adaca9 2112 int ring, vector, index;
4be41e92
SC		 2113 struct qlcnic_host_tx_ring *tx_ring;
2114 struct qlcnic_cmd_buffer *cmd_buf_arr;
2115
b2adaca9
JP		 2116 tx_ring = kcalloc(adapter->max_drv_tx_rings,
2117 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2118 if (tx_ring == NULL)
4be41e92 2119 return -ENOMEM;
b2adaca9 2120
4be41e92
SC		 2121 adapter->tx_ring = tx_ring;
2122
2123 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2124 tx_ring = &adapter->tx_ring[ring];
2125 tx_ring->num_desc = adapter->num_txd;
2126 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2127 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2128 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2129 qlcnic_free_tx_rings(adapter);
2130 return -ENOMEM;
2131 }
2132 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2133 tx_ring->cmd_buf_arr = cmd_buf_arr;
2134 }
2135
012ec812
HM		 2136 if (qlcnic_83xx_check(adapter) ||
2137 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
4be41e92
SC		 2138 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2139 tx_ring = &adapter->tx_ring[ring];
2140 tx_ring->adapter = adapter;
2141 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2142 index = adapter->max_sds_rings + ring;
2143 vector = adapter->msix_entries[index].vector;
2144 tx_ring->irq = vector;
2145 }
2146 }
2147 }
012ec812 2148
4be41e92
SC		 2149 return 0;
2150}
2151
8af3f33d
PP		 2152void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2153{
2154 struct qlcnic_hardware_context *ahw = adapter->ahw;
2155 u32 fw_cmd = 0;
2156
2157 if (qlcnic_82xx_check(adapter))
2158 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2159 else if (qlcnic_83xx_check(adapter))
2160 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2161
2162 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2163 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2164 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2165}
2166
14d385b9
SC		 2167static int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
2168{
2169 return __qlcnic_register_dcb(adapter);
2170}
2171
2172void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter)
2173{
2174 kfree(adapter->dcb);
2175 adapter->dcb = NULL;
2176}
2177
6bb58bb0 2178static int
af19b491
AKS		 2179qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2180{
2181 struct net_device *netdev = NULL;
2182 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2183 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2184 int err, pci_using_dac = -1;
7bc48646 2185 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2186
f8468331
RB		 2187 if (pdev->is_virtfn)
2188 return -ENODEV;
2189
af19b491
AKS		 2190 err = pci_enable_device(pdev);
2191 if (err)
2192 return err;
2193
2194 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2195 err = -ENODEV;
2196 goto err_out_disable_pdev;
2197 }
2198
1bb09fb9
AKS		 2199 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2200 if (err)
2201 goto err_out_disable_pdev;
2202
af19b491
AKS		 2203 err = pci_request_regions(pdev, qlcnic_driver_name);
2204 if (err)
2205 goto err_out_disable_pdev;
2206
2207 pci_set_master(pdev);
451724c8 2208 pci_enable_pcie_error_reporting(pdev);
af19b491 2209
7e2cf4fe 2210 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2211 if (!ahw) {
2212 err = -ENOMEM;
7e2cf4fe 2213 goto err_out_free_res;
02135582 2214 }
7e2cf4fe 2215
f8468331
RB		 2216 switch (ent->device) {
2217 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2218 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2219 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2220 break;
2221 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2222 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2223 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2224 break;
2225 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2226 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2227 qlcnic_sriov_vf_register_map(ahw);
2228 break;
2229 default:
13159183 2230 goto err_out_free_hw_res;
7e2cf4fe
SC		 2231 }
2232
2233 err = qlcnic_setup_pci_map(pdev, ahw);
2234 if (err)
2235 goto err_out_free_hw_res;
2236
012ec812
HM		 2237 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2238 QLCNIC_MAX_TX_RINGS);
af19b491 2239 if (!netdev) {
af19b491 2240 err = -ENOMEM;
7e2cf4fe 2241 goto err_out_iounmap;
af19b491
AKS		 2242 }
2243
2244 SET_NETDEV_DEV(netdev, &pdev->dev);
2245
2246 adapter = netdev_priv(netdev);
2247 adapter->netdev = netdev;
2248 adapter->pdev = pdev;
13159183
SC		 2249 adapter->ahw = ahw;
2250
2251 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2252 if (adapter->qlcnic_wq == NULL) {
02135582 2253 err = -ENOMEM;
13159183
SC		 2254 dev_err(&pdev->dev, "Failed to create workqueue\n");
2255 goto err_out_free_netdev;
2256 }
af19b491 2257
2dfc9671
PST		 2258 err = qlcnic_alloc_adapter_resources(adapter);
2259 if (err)
2b1f18a4 2260 goto err_out_free_wq;
b1fc6d3c
AC		 2261
2262 adapter->dev_rst_time = jiffies;
7e2cf4fe 2263 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2264 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2265 adapter->fdb_mac_learn = true;
2266 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2267 adapter->drv_mac_learn = true;
af19b491 2268
b1fc6d3c
AC		 2269 rwlock_init(&adapter->ahw->crb_lock);
2270 mutex_init(&adapter->ahw->mem_lock);
af19b491 2271
af19b491
AKS		 2272 INIT_LIST_HEAD(&adapter->mac_list);
2273
14d385b9
SC		 2274 qlcnic_register_dcb(adapter);
2275
7e2cf4fe 2276 if (qlcnic_82xx_check(adapter)) {
13159183 2277 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2278 adapter->portnum = adapter->ahw->pci_func;
2279 err = qlcnic_start_firmware(adapter);
2280 if (err) {
66451615
SC		 2281 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2282 "\t\tIf reboot doesn't help, try flashing the card\n");
2283 goto err_out_maintenance_mode;
7e2cf4fe 2284 }
af19b491 2285
012ec812
HM		 2286 qlcnic_get_multiq_capability(adapter);
2287
2288 if ((adapter->ahw->act_pci_func > 2) &&
2289 qlcnic_check_multi_tx(adapter)) {
2290 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2291 dev_info(&adapter->pdev->dev,
2292 "vNIC mode enabled, Set max TX rings = %d\n",
2293 adapter->max_drv_tx_rings);
2294 }
2295
2296 if (!qlcnic_check_multi_tx(adapter)) {
2297 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2298 adapter->max_drv_tx_rings = 1;
2299 }
7e2cf4fe
SC		 2300 err = qlcnic_setup_idc_param(adapter);
2301 if (err)
2302 goto err_out_free_hw;
b0044bcf 2303
7e2cf4fe 2304 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9
SC		 2305
2306 if (adapter->dcb && qlcnic_dcb_attach(adapter))
2307 qlcnic_clear_dcb_ops(adapter);
2308
13159183 2309 } else if (qlcnic_83xx_check(adapter)) {
012ec812 2310 adapter->max_drv_tx_rings = 1;
13159183
SC		 2311 qlcnic_83xx_check_vf(adapter, ent);
2312 adapter->portnum = adapter->ahw->pci_func;
f8468331 2313 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2314 if (err) {
2315 dev_err(&pdev->dev, "%s: failed\n", __func__);
2316 goto err_out_free_hw;
2317 }
f8468331
RB		 2318 if (qlcnic_sriov_vf_check(adapter))
2319 return 0;
13159183
SC		 2320 } else {
2321 dev_err(&pdev->dev,
2322 "%s: failed. Please Reboot\n", __func__);
2323 goto err_out_free_hw;
a7fc948f 2324 }
af19b491 2325
da48e6c3
RB		 2326 if (qlcnic_read_mac_addr(adapter))
2327 dev_warn(&pdev->dev, "failed to read mac addr\n");
2328
07a251c8
SS		 2329 qlcnic_read_phys_port_id(adapter);
2330
da48e6c3 2331 if (adapter->portnum == 0) {
22999798 2332 qlcnic_get_board_name(adapter, board_name);
13159183 2333
da48e6c3 2334 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2335 module_name(THIS_MODULE),
2336 board_name, adapter->ahw->revision_id);
da48e6c3 2337 }
460374f7
HM		 2338
2339 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2340 !!qlcnic_use_msi)
2341 dev_warn(&pdev->dev,
01b91f4c 2342 "Device does not support MSI interrupts\n");
460374f7 2343
068a8d19 2344 if (qlcnic_82xx_check(adapter)) {
aa4a1f7d 2345 err = qlcnic_setup_intr(adapter, 0, 0);
068a8d19
MC		 2346 if (err) {
2347 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2348 goto err_out_disable_msi;
068a8d19 2349 }
13159183 2350 }
af19b491 2351
02135582
SC		 2352 err = qlcnic_get_act_pci_func(adapter);
2353 if (err)
2354 goto err_out_disable_mbx_intr;
2355
1bb09fb9 2356 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2357 if (err)
7e2cf4fe 2358 goto err_out_disable_mbx_intr;
af19b491 2359
24866d15
HM		 2360 if (adapter->portnum == 0)
2361 qlcnic_set_drv_version(adapter);
c84e340a 2362
af19b491
AKS		 2363 pci_set_drvdata(pdev, adapter);
2364
97ee45eb
SC		 2365 if (qlcnic_82xx_check(adapter))
2366 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2367 FW_POLL_DELAY);
af19b491 2368
b1fc6d3c 2369 switch (adapter->ahw->port_type) {
af19b491
AKS		 2370 case QLCNIC_GBE:
2371 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2372 adapter->netdev->name);
2373 break;
2374 case QLCNIC_XGBE:
2375 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2376 adapter->netdev->name);
2377 break;
2378 }
2379
fe1adc6b 2380 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2381 qlcnic_alloc_lb_filters_mem(adapter);
2382
7e2cf4fe 2383 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2384
2385 return 0;
2386
7e2cf4fe 2387err_out_disable_mbx_intr:
7dd90cf1 2388 if (qlcnic_83xx_check(adapter))
13159183 2389 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2390
af19b491
AKS		 2391err_out_disable_msi:
2392 qlcnic_teardown_intr(adapter);
7e2cf4fe 2393 qlcnic_cancel_idc_work(adapter);
21854f02 2394 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2395
b1fc6d3c
AC		 2396err_out_free_hw:
2397 qlcnic_free_adapter_resources(adapter);
2398
2b1f18a4
WY		 2399err_out_free_wq:
2400 destroy_workqueue(adapter->qlcnic_wq);
2401
af19b491
AKS		 2402err_out_free_netdev:
2403 free_netdev(netdev);
2404
7e2cf4fe 2405err_out_iounmap:
f1a094a8 2406 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2407
2408err_out_free_hw_res:
2409 kfree(ahw);
2410
af19b491
AKS		 2411err_out_free_res:
2412 pci_release_regions(pdev);
2413
2414err_out_disable_pdev:
2415 pci_set_drvdata(pdev, NULL);
2416 pci_disable_device(pdev);
2417 return err;
66451615
SC		 2418
2419err_out_maintenance_mode:
2420 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2421 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2422 err = register_netdev(netdev);
2423
2424 if (err) {
2425 dev_err(&pdev->dev, "Failed to register net device\n");
2426 qlcnic_clr_all_drv_state(adapter, 0);
2427 goto err_out_free_hw;
2428 }
2429
2430 pci_set_drvdata(pdev, adapter);
2431 qlcnic_add_sysfs(adapter);
2432
2433 return 0;
af19b491
AKS		 2434}
2435
6bb58bb0 2436static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2437{
2438 struct qlcnic_adapter *adapter;
2439 struct net_device *netdev;
13159183 2440 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2441
2442 adapter = pci_get_drvdata(pdev);
2443 if (adapter == NULL)
2444 return;
2445
2446 netdev = adapter->netdev;
02feda17 2447 qlcnic_sriov_pf_disable(adapter);
af19b491 2448
13159183
SC		 2449 qlcnic_cancel_idc_work(adapter);
2450 ahw = adapter->ahw;
af19b491 2451
14d385b9
SC		 2452 qlcnic_dcb_free(adapter);
2453
af19b491 2454 unregister_netdev(netdev);
02feda17 2455 qlcnic_sriov_cleanup(adapter);
af19b491 2456
13159183 2457 if (qlcnic_83xx_check(adapter)) {
3d73b5fd
JK		 2458 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2459 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2460 qlcnic_83xx_free_mbx_intr(adapter);
2461 qlcnic_83xx_detach_mailbox_work(adapter);
2462 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2463 kfree(ahw->fw_info);
13159183
SC		 2464 }
2465
af19b491
AKS		 2466 qlcnic_detach(adapter);
2467
2e9d722d
AC		 2468 if (adapter->npars != NULL)
2469 kfree(adapter->npars);
2470 if (adapter->eswitch != NULL)
2471 kfree(adapter->eswitch);
2472
97ee45eb
SC		 2473 if (qlcnic_82xx_check(adapter))
2474 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2475
2476 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2477
b5e5492c
AKS		 2478 qlcnic_free_lb_filters_mem(adapter);
2479
af19b491
AKS		 2480 qlcnic_teardown_intr(adapter);
2481
13159183 2482 qlcnic_remove_sysfs(adapter);
af19b491 2483
f1a094a8 2484 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2485
2486 qlcnic_release_firmware(adapter);
2487
451724c8 2488 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2489 pci_release_regions(pdev);
2490 pci_disable_device(pdev);
2491 pci_set_drvdata(pdev, NULL);
2492
13159183
SC		 2493 if (adapter->qlcnic_wq) {
2494 destroy_workqueue(adapter->qlcnic_wq);
2495 adapter->qlcnic_wq = NULL;
2496 }
14d385b9 2497
b1fc6d3c 2498 qlcnic_free_adapter_resources(adapter);
13159183 2499 kfree(ahw);
af19b491
AKS		 2500 free_netdev(netdev);
2501}
af19b491
AKS		 2502
2503static void qlcnic_shutdown(struct pci_dev *pdev)
2504{
2505 if (__qlcnic_shutdown(pdev))
2506 return;
2507
2508 pci_disable_device(pdev);
2509}
2510
2511#ifdef CONFIG_PM
486a5bc7 2512static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2513{
2514 int retval;
2515
2516 retval = __qlcnic_shutdown(pdev);
2517 if (retval)
2518 return retval;
2519
2520 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2521 return 0;
2522}
2523
486a5bc7 2524static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2525{
2526 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2527 int err;
2528
2529 err = pci_enable_device(pdev);
2530 if (err)
2531 return err;
2532
2533 pci_set_power_state(pdev, PCI_D0);
2534 pci_set_master(pdev);
2535 pci_restore_state(pdev);
2536
486a5bc7 2537 return __qlcnic_resume(adapter);
af19b491
AKS		 2538}
2539#endif
2540
2541static int qlcnic_open(struct net_device *netdev)
2542{
2543 struct qlcnic_adapter *adapter = netdev_priv(netdev);
66451615 2544 u32 state;
af19b491
AKS		 2545 int err;
2546
66451615
SC		 2547 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2548 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
2549 netdev_err(netdev, "%s: Device is in FAILED state\n", __func__);
2550
2551 return -EIO;
2552 }
2553
c55ad8e5
AKS		 2554 netif_carrier_off(netdev);
2555
af19b491
AKS		 2556 err = qlcnic_attach(adapter);
2557 if (err)
2558 return err;
2559
2560 err = __qlcnic_up(adapter, netdev);
2561 if (err)
2562 goto err_out;
2563
012ec812 2564 netif_tx_start_all_queues(netdev);
af19b491
AKS		 2565
2566 return 0;
2567
2568err_out:
2569 qlcnic_detach(adapter);
2570 return err;
2571}
2572
2573/*
2574 * qlcnic_close - Disables a network interface entry point
2575 */
2576static int qlcnic_close(struct net_device *netdev)
2577{
2578 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2579
2580 __qlcnic_down(adapter, netdev);
13159183 2581
af19b491
AKS		 2582 return 0;
2583}
2584
e5dcf6dc 2585void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2586{
2587 void *head;
2588 int i;
13159183
SC		 2589 struct net_device *netdev = adapter->netdev;
2590 u32 filter_size = 0;
2591 u16 act_pci_func = 0;
b5e5492c 2592
e5dcf6dc 2593 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2594 return;
2595
13159183 2596 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2597 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2598 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2599
13159183
SC		 2600 if (qlcnic_82xx_check(adapter)) {
2601 filter_size = QLCNIC_LB_MAX_FILTERS;
2602 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2603 } else {
2604 filter_size = QLC_83XX_LB_MAX_FILTERS;
2605 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2606 }
2607
2608 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2609 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2610
b5e5492c
AKS		 2611 if (!head)
2612 return;
2613
13159183 2614 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2615 adapter->fhash.fhead = head;
b5e5492c 2616
13159183
SC		 2617 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2618 act_pci_func, adapter->fhash.fmax);
2619
2620 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2621 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2622
2623 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2624
2625 head = kcalloc(adapter->rx_fhash.fbucket_size,
2626 sizeof(struct hlist_head), GFP_ATOMIC);
2627
2628 if (!head)
2629 return;
2630
2631 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2632 adapter->rx_fhash.fhead = head;
2633
2634 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2635 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2636}
2637
2638static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2639{
2640 if (adapter->fhash.fmax && adapter->fhash.fhead)
2641 kfree(adapter->fhash.fhead);
2642
2643 adapter->fhash.fhead = NULL;
2644 adapter->fhash.fmax = 0;
53643a75
SS		 2645
2646 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2647 kfree(adapter->rx_fhash.fhead);
2648
2649 adapter->rx_fhash.fmax = 0;
2650 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2651}
2652
629263ac 2653int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2654{
2655 struct net_device *netdev = adapter->netdev;
97ee45eb 2656 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2657 int rv = 0;
2658
13159183
SC		 2659 if (qlcnic_83xx_check(adapter))
2660 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2661
97ee45eb 2662 if (qlcnic_82xx_check(adapter))
a15ebd37 2663 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2664
2665 temp_state = qlcnic_get_temp_state(temp);
2666 temp_val = qlcnic_get_temp_val(temp);
2667
2668 if (temp_state == QLCNIC_TEMP_PANIC) {
2669 dev_err(&netdev->dev,
2670 "Device temperature %d degrees C exceeds"
2671 " maximum allowed. Hardware has been shut down.\n",
2672 temp_val);
2673 rv = 1;
2674 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2675 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2676 dev_err(&netdev->dev,
2677 "Device temperature %d degrees C "
2678 "exceeds operating range."
2679 " Immediate action needed.\n",
2680 temp_val);
2681 }
2682 } else {
79788450 2683 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2684 dev_info(&netdev->dev,
2685 "Device temperature is now %d degrees C"
2686 " in normal range.\n", temp_val);
2687 }
2688 }
79788450 2689 adapter->ahw->temp = temp_state;
af19b491
AKS		 2690 return rv;
2691}
2692
af19b491
AKS		 2693static void qlcnic_tx_timeout(struct net_device *netdev)
2694{
2695 struct qlcnic_adapter *adapter = netdev_priv(netdev);
012ec812
HM		 2696 struct qlcnic_host_tx_ring *tx_ring;
2697 int ring;
af19b491
AKS		 2698
2699 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2700 return;
2701
536faa61
SC		 2702 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2703 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2704 if (qlcnic_82xx_check(adapter))
2705 adapter->need_fw_reset = 1;
2706 else if (qlcnic_83xx_check(adapter))
2707 qlcnic_83xx_idc_request_reset(adapter,
2708 QLCNIC_FORCE_FW_DUMP_KEY);
2709 } else {
2710 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
012ec812
HM		 2711 if (qlcnic_82xx_check(adapter)) {
2712 for (ring = 0; ring < adapter->max_drv_tx_rings;
2713 ring++) {
2714 tx_ring = &adapter->tx_ring[ring];
2715 dev_info(&netdev->dev, "ring=%d\n", ring);
2716 dev_info(&netdev->dev, "crb_intr_mask=%d\n",
2717 readl(tx_ring->crb_intr_mask));
2718 dev_info(&netdev->dev, "producer=%d\n",
2719 readl(tx_ring->crb_cmd_producer));
2720 dev_info(&netdev->dev, "sw_consumer = %d\n",
2721 tx_ring->sw_consumer);
2722 dev_info(&netdev->dev, "hw_consumer = %d\n",
2723 le32_to_cpu(*(tx_ring->hw_consumer)));
2724 dev_info(&netdev->dev, "xmit-on=%llu\n",
2725 tx_ring->xmit_on);
2726 dev_info(&netdev->dev, "xmit-off=%llu\n",
2727 tx_ring->xmit_off);
2728 }
2729 }
79788450 2730 adapter->ahw->reset_context = 1;
536faa61 2731 }
af19b491
AKS		 2732}
2733
2734static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2735{
2736 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2737 struct net_device_stats *stats = &netdev->stats;
2738
af19b491
AKS		 2739 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2740 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2741 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2742 stats->tx_bytes = adapter->stats.txbytes;
2743 stats->rx_dropped = adapter->stats.rxdropped;
2744 stats->tx_dropped = adapter->stats.txdropped;
2745
2746 return stats;
2747}
2748
7e2cf4fe 2749irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2750{
af19b491
AKS		 2751 u32 status;
2752
2753 status = readl(adapter->isr_int_vec);
2754
79788450 2755 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2756 return IRQ_NONE;
2757
2758 /* check interrupt state machine, to be sure */
2759 status = readl(adapter->crb_int_state_reg);
2760 if (!ISR_LEGACY_INT_TRIGGERED(status))
2761 return IRQ_NONE;
2762
2763 writel(0xffffffff, adapter->tgt_status_reg);
2764 /* read twice to ensure write is flushed */
2765 readl(adapter->isr_int_vec);
2766 readl(adapter->isr_int_vec);
2767
7eb9855d
AKS		 2768 return IRQ_HANDLED;
2769}
2770
2771static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2772{
2773 struct qlcnic_host_sds_ring *sds_ring = data;
2774 struct qlcnic_adapter *adapter = sds_ring->adapter;
2775
2776 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2777 goto done;
2778 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2779 writel(0xffffffff, adapter->tgt_status_reg);
2780 goto done;
2781 }
2782
2783 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2784 return IRQ_NONE;
2785
2786done:
79788450 2787 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2788 qlcnic_enable_int(sds_ring);
2789 return IRQ_HANDLED;
2790}
2791
2792static irqreturn_t qlcnic_intr(int irq, void *data)
2793{
2794 struct qlcnic_host_sds_ring *sds_ring = data;
2795 struct qlcnic_adapter *adapter = sds_ring->adapter;
2796
2797 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2798 return IRQ_NONE;
2799
af19b491
AKS		 2800 napi_schedule(&sds_ring->napi);
2801
2802 return IRQ_HANDLED;
2803}
2804
2805static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2806{
2807 struct qlcnic_host_sds_ring *sds_ring = data;
2808 struct qlcnic_adapter *adapter = sds_ring->adapter;
2809
2810 /* clear interrupt */
2811 writel(0xffffffff, adapter->tgt_status_reg);
2812
2813 napi_schedule(&sds_ring->napi);
2814 return IRQ_HANDLED;
2815}
2816
2817static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2818{
2819 struct qlcnic_host_sds_ring *sds_ring = data;
2820
2821 napi_schedule(&sds_ring->napi);
2822 return IRQ_HANDLED;
2823}
2824
13159183
SC		 2825static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2826{
2827 struct qlcnic_host_tx_ring *tx_ring = data;
2828
2829 napi_schedule(&tx_ring->napi);
2830 return IRQ_HANDLED;
2831}
2832
af19b491
AKS		 2833#ifdef CONFIG_NET_POLL_CONTROLLER
2834static void qlcnic_poll_controller(struct net_device *netdev)
2835{
bf82791e
YL		 2836 int ring;
2837 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2838 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2839 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2840
af19b491 2841 disable_irq(adapter->irq);
bf82791e
YL		 2842 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2843 sds_ring = &recv_ctx->sds_rings[ring];
2844 qlcnic_intr(adapter->irq, sds_ring);
2845 }
af19b491
AKS		 2846 enable_irq(adapter->irq);
2847}
2848#endif
2849
6df900e9
SC		 2850static void
2851qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2852{
2853 u32 val;
2854
2855 val = adapter->portnum & 0xf;
2856 val |= encoding << 7;
2857 val |= (jiffies - adapter->dev_rst_time) << 8;
2858
a15ebd37 2859 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2860 adapter->dev_rst_time = jiffies;
2861}
2862
ade91f8e
AKS		 2863static int
2864qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2865{
2866 u32 val;
2867
2868 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2869 state != QLCNIC_DEV_NEED_QUISCENT);
2870
2871 if (qlcnic_api_lock(adapter))
ade91f8e 2872 return -EIO;
af19b491 2873
a15ebd37 2874 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2875
2876 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2877 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2878 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2879 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2880
a15ebd37 2881 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2882
2883 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2884
2885 return 0;
af19b491
AKS		 2886}
2887
1b95a839
AKS		 2888static int
2889qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2890{
2891 u32 val;
2892
2893 if (qlcnic_api_lock(adapter))
2894 return -EBUSY;
2895
a15ebd37 2896 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2897 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2898 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2899
2900 qlcnic_api_unlock(adapter);
2901
2902 return 0;
2903}
2904
486a5bc7 2905void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2906{
2907 u32 val;
2908
2909 if (qlcnic_api_lock(adapter))
2910 goto err;
2911
a15ebd37 2912 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2913 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2914 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2915
21854f02 2916 if (failed) {
a15ebd37
HM		 2917 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2918 QLCNIC_DEV_FAILED);
21854f02
AKS		 2919 dev_info(&adapter->pdev->dev,
2920 "Device state set to Failed. Please Reboot\n");
2921 } else if (!(val & 0x11111111))
a15ebd37
HM		 2922 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2923 QLCNIC_DEV_COLD);
af19b491 2924
a15ebd37 2925 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2926 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2927 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2928
2929 qlcnic_api_unlock(adapter);
2930err:
2931 adapter->fw_fail_cnt = 0;
032a13c7 2932 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2933 clear_bit(__QLCNIC_START_FW, &adapter->state);
2934 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2935}
2936
f73dfc50 2937/* Grab api lock, before checking state */
af19b491
AKS		 2938static int
2939qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2940{
602ca6f0 2941 int act, state, active_mask;
a15ebd37 2942 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2943
a15ebd37
HM		 2944 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2945 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2946
602ca6f0 2947 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2948 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2949 act = act & active_mask;
2950 }
2951
af19b491
AKS		 2952 if (((state & 0x11111111) == (act & 0x11111111)) ||
2953 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2954 return 0;
2955 else
2956 return 1;
2957}
2958
96f8118c
SC		 2959static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2960{
a15ebd37 2961 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2962
2963 if (val != QLCNIC_DRV_IDC_VER) {
2964 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2965 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2966 }
2967
2968 return 0;
2969}
2970
af19b491
AKS		 2971static int
2972qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2973{
2974 u32 val, prev_state;
aa5e18c0 2975 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2976 u8 portnum = adapter->portnum;
96f8118c 2977 u8 ret;
af19b491 2978
f73dfc50
AKS		 2979 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2980 return 1;
2981
af19b491
AKS		 2982 if (qlcnic_api_lock(adapter))
2983 return -1;
2984
a15ebd37 2985 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2986 if (!(val & (1 << (portnum * 4)))) {
2987 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2988 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2989 }
2990
a15ebd37 2991 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2992 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2993
2994 switch (prev_state) {
2995 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2996 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2997 QLCNIC_DEV_INITIALIZING);
2998 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2999 QLCNIC_DRV_IDC_VER);
6df900e9 3000 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3001 qlcnic_api_unlock(adapter);
3002 return 1;
3003
3004 case QLCNIC_DEV_READY:
96f8118c 3005 ret = qlcnic_check_idc_ver(adapter);
af19b491 3006 qlcnic_api_unlock(adapter);
96f8118c 3007 return ret;
af19b491
AKS		 3008
3009 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3010 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3011 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3012 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3013 break;
3014
3015 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3016 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3017 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3018 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3019 break;
3020
3021 case QLCNIC_DEV_FAILED:
a7fc948f 3022 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3023 qlcnic_api_unlock(adapter);
3024 return -1;
bbd8c6a4
AKS		 3025
3026 case QLCNIC_DEV_INITIALIZING:
3027 case QLCNIC_DEV_QUISCENT:
3028 break;
af19b491
AKS		 3029 }
3030
3031 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3032
3033 do {
af19b491 3034 msleep(1000);
a15ebd37 3035 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3036
3037 if (prev_state == QLCNIC_DEV_QUISCENT)
3038 continue;
3039 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3040
65b5b420
AKS		 3041 if (!dev_init_timeo) {
3042 dev_err(&adapter->pdev->dev,
3043 "Waiting for device to initialize timeout\n");
af19b491 3044 return -1;
65b5b420 3045 }
af19b491
AKS		 3046
3047 if (qlcnic_api_lock(adapter))
3048 return -1;
3049
a15ebd37 3050 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3051 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3052 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3053
96f8118c 3054 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3055 qlcnic_api_unlock(adapter);
3056
96f8118c 3057 return ret;
af19b491
AKS		 3058}
3059
3060static void
3061qlcnic_fwinit_work(struct work_struct *work)
3062{
3063 struct qlcnic_adapter *adapter = container_of(work,
3064 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3065 u32 dev_state = 0xf;
7b749ff4 3066 u32 val;
af19b491 3067
f73dfc50
AKS		 3068 if (qlcnic_api_lock(adapter))
3069 goto err_ret;
af19b491 3070
a15ebd37 3071 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3072 if (dev_state == QLCNIC_DEV_QUISCENT ||
3073 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3074 qlcnic_api_unlock(adapter);
3075 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3076 FW_POLL_DELAY * 2);
3077 return;
3078 }
3079
79788450 3080 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3081 qlcnic_api_unlock(adapter);
3082 goto wait_npar;
9f26f547
AC		 3083 }
3084
16e3cf73
SV		 3085 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3086 dev_state == QLCNIC_DEV_READY) {
3087 dev_info(&adapter->pdev->dev, "Detected state change from "
3088 "DEV_NEED_RESET, skipping ack check\n");
3089 goto skip_ack_check;
3090 }
3091
f73dfc50 3092 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3093 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3094 adapter->reset_ack_timeo);
3095 goto skip_ack_check;
3096 }
3097
3098 if (!qlcnic_check_drv_state(adapter)) {
3099skip_ack_check:
a15ebd37 3100 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3101
f73dfc50 3102 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3103 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3104 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3105 set_bit(__QLCNIC_START_FW, &adapter->state);
3106 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3107 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3108 val = QLC_SHARED_REG_RD32(adapter,
3109 QLCNIC_CRB_DRV_STATE);
7b749ff4 3110 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3111 QLC_SHARED_REG_WR32(adapter,
3112 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3113 }
3114
f73dfc50
AKS		 3115 qlcnic_api_unlock(adapter);
3116
287e38aa 3117 rtnl_lock();
890b6e02 3118 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3119 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3120 QLCDB(adapter, DRV, "Take FW dump\n");
3121 qlcnic_dump_fw(adapter);
032a13c7 3122 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3123 }
287e38aa 3124 rtnl_unlock();
7b749ff4
SV		 3125
3126 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3127 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3128 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3129 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3130 return;
3131 }
af19b491
AKS		 3132 goto err_ret;
3133 }
3134
f73dfc50 3135 qlcnic_api_unlock(adapter);
aa5e18c0 3136
9f26f547 3137wait_npar:
a15ebd37 3138 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3139 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3140
af19b491 3141 switch (dev_state) {
3c4b23b1 3142 case QLCNIC_DEV_READY:
7e2cf4fe 3143 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3144 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3145 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3146 return;
3147 }
3c4b23b1
AKS		 3148 case QLCNIC_DEV_FAILED:
3149 break;
3150 default:
3151 qlcnic_schedule_work(adapter,
3152 qlcnic_fwinit_work, FW_POLL_DELAY);
3153 return;
af19b491
AKS		 3154 }
3155
3156err_ret:
f73dfc50
AKS		 3157 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3158 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3159 netif_device_attach(adapter->netdev);
21854f02 3160 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3161}
3162
3163static void
3164qlcnic_detach_work(struct work_struct *work)
3165{
3166 struct qlcnic_adapter *adapter = container_of(work,
3167 struct qlcnic_adapter, fw_work.work);
3168 struct net_device *netdev = adapter->netdev;
3169 u32 status;
3170
3171 netif_device_detach(netdev);
3172
b8c17620
AKS		 3173 /* Dont grab rtnl lock during Quiscent mode */
3174 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3175 if (netif_running(netdev))
3176 __qlcnic_down(adapter, netdev);
3177 } else
3178 qlcnic_down(adapter, netdev);
af19b491 3179
a15ebd37 3180 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3181
44f65b29
SC		 3182 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3183 dev_err(&adapter->pdev->dev,
3184 "Detaching the device: peg halt status1=0x%x\n",
3185 status);
3186
3187 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3188 dev_err(&adapter->pdev->dev,
3189 "On board active cooling fan failed. "
3190 "Device has been halted.\n");
3191 dev_err(&adapter->pdev->dev,
3192 "Replace the adapter.\n");
3193 }
3194
af19b491 3195 goto err_ret;
44f65b29 3196 }
af19b491 3197
79788450 3198 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3199 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3200 adapter->ahw->temp);
af19b491 3201 goto err_ret;
44f65b29
SC		 3202 }
3203
602ca6f0
SV		 3204 /* Dont ack if this instance is the reset owner */
3205 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3206 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3207 dev_err(&adapter->pdev->dev,
3208 "Failed to set driver state,"
3209 "detaching the device.\n");
602ca6f0 3210 goto err_ret;
44f65b29 3211 }
602ca6f0 3212 }
af19b491
AKS		 3213
3214 adapter->fw_wait_cnt = 0;
3215
3216 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3217
3218 return;
3219
3220err_ret:
34ce3626 3221 netif_device_attach(netdev);
21854f02 3222 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3223}
3224
3c4b23b1
AKS		 3225/*Transit NPAR state to NON Operational */
3226static void
3227qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3228{
3229 u32 state;
3230
a15ebd37 3231 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3232 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3233 return;
3234
3235 if (qlcnic_api_lock(adapter))
3236 return;
a15ebd37
HM		 3237 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3238 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3239 qlcnic_api_unlock(adapter);
3240}
3241
7e2cf4fe 3242void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 3243{
646779f1
SV		 3244 u32 state, xg_val = 0, gb_val = 0;
3245
3246 qlcnic_xg_set_xg0_mask(xg_val);
3247 qlcnic_xg_set_xg1_mask(xg_val);
3248 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3249 qlcnic_gb_set_gb0_mask(gb_val);
3250 qlcnic_gb_set_gb1_mask(gb_val);
3251 qlcnic_gb_set_gb2_mask(gb_val);
3252 qlcnic_gb_set_gb3_mask(gb_val);
3253 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3254 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3255 " on all ports\n");
cea8975e 3256 adapter->need_fw_reset = 1;
13159183 3257
af19b491
AKS		 3258 if (qlcnic_api_lock(adapter))
3259 return;
3260
13159183 3261 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
66451615
SC		 3262 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
3263 netdev_err(adapter->netdev, "%s: Device is in FAILED state\n",
3264 __func__);
3265 qlcnic_api_unlock(adapter);
3266
3267 return;
3268 }
af19b491 3269
f73dfc50 3270 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3271 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3272 QLCNIC_DEV_NEED_RESET);
602ca6f0 3273 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3274 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3275 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3276 }
3277
13159183
SC		 3278 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3279 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3280 qlcnic_api_unlock(adapter);
3281}
3282
9f26f547
AC		 3283/* Transit to NPAR READY state from NPAR NOT READY state */
3284static void
3285qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3286{
9f26f547
AC		 3287 if (qlcnic_api_lock(adapter))
3288 return;
3289
a15ebd37
HM		 3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3291 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3292 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3293
3294 qlcnic_api_unlock(adapter);
3295}
3296
13159183
SC		 3297void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3298 work_func_t func, int delay)
af19b491 3299{
451724c8
SC		 3300 if (test_bit(__QLCNIC_AER, &adapter->state))
3301 return;
3302
af19b491 3303 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3304 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3305 round_jiffies_relative(delay));
af19b491
AKS		 3306}
3307
3308static void
3309qlcnic_attach_work(struct work_struct *work)
3310{
3311 struct qlcnic_adapter *adapter = container_of(work,
3312 struct qlcnic_adapter, fw_work.work);
3313 struct net_device *netdev = adapter->netdev;
b18971d1 3314 u32 npar_state;
af19b491 3315
79788450 3316 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3317 npar_state = QLC_SHARED_REG_RD32(adapter,
3318 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3319 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3320 qlcnic_clr_all_drv_state(adapter, 0);
3321 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3322 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3323 FW_POLL_DELAY);
3324 else
3325 goto attach;
3326 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3327 return;
3328 }
3329attach:
14d385b9
SC		 3330 qlcnic_dcb_get_info(adapter);
3331
af19b491 3332 if (netif_running(netdev)) {
52486a3a 3333 if (qlcnic_up(adapter, netdev))
af19b491 3334 goto done;
af19b491 3335
aec1e845 3336 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3337 }
3338
af19b491 3339done:
34ce3626 3340 netif_device_attach(netdev);
af19b491 3341 adapter->fw_fail_cnt = 0;
032a13c7 3342 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3343 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3344 if (adapter->portnum == 0)
3345 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3346
3347 if (!qlcnic_clr_drv_state(adapter))
3348 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3349 FW_POLL_DELAY);
af19b491
AKS		 3350}
3351
3352static int
3353qlcnic_check_health(struct qlcnic_adapter *adapter)
3354{
4e70812b 3355 u32 state = 0, heartbeat;
853d4bca 3356 u32 peg_status;
4bd8e738 3357 int err = 0;
af19b491
AKS		 3358
3359 if (qlcnic_check_temp(adapter))
3360 goto detach;
3361
2372a5f1 3362 if (adapter->need_fw_reset)
7e2cf4fe 3363 qlcnic_dev_request_reset(adapter, 0);
af19b491 3364
a15ebd37 3365 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3366 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3367 qlcnic_set_npar_non_operational(adapter);
af19b491 3368 adapter->need_fw_reset = 1;
b8c17620
AKS		 3369 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3370 goto detach;
af19b491 3371
a15ebd37 3372 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3373 if (heartbeat != adapter->heartbeat) {
3374 adapter->heartbeat = heartbeat;
af19b491
AKS		 3375 adapter->fw_fail_cnt = 0;
3376 if (adapter->need_fw_reset)
3377 goto detach;
68bf1c68 3378
0ce54ce4 3379 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3380 qlcnic_reset_hw_context(adapter);
68bf1c68 3381
af19b491
AKS		 3382 return 0;
3383 }
3384
3385 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3386 return 0;
3387
032a13c7
SV		 3388 adapter->flags |= QLCNIC_FW_HANG;
3389
7e2cf4fe 3390 qlcnic_dev_request_reset(adapter, 0);
af19b491 3391
099f7aa7 3392 if (qlcnic_auto_fw_reset)
0df170b6 3393 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3394
853d4bca 3395 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3396 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3397 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3398 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3399 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3400 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3401 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3402 peg_status,
3403 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3404 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3405 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3406 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3407 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3408 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3409 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3410 dev_err(&adapter->pdev->dev,
3411 "Firmware aborted with error code 0x00006700. "
3412 "Device is being reset.\n");
af19b491
AKS		 3413detach:
3414 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3415 QLCNIC_DEV_NEED_RESET;
3416
099f7aa7
SC		 3417 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3418 &adapter->state)) {
65b5b420 3419
af19b491 3420 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3421 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3422 }
af19b491
AKS		 3423
3424 return 1;
3425}
3426
486a5bc7 3427void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3428{
3429 struct qlcnic_adapter *adapter = container_of(work,
3430 struct qlcnic_adapter, fw_work.work);
3431
3432 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3433 goto reschedule;
3434
3435
3436 if (qlcnic_check_health(adapter))
3437 return;
3438
b5e5492c
AKS		 3439 if (adapter->fhash.fnum)
3440 qlcnic_prune_lb_filters(adapter);
3441
af19b491
AKS		 3442reschedule:
3443 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3444}
3445
451724c8
SC		 3446static int qlcnic_is_first_func(struct pci_dev *pdev)
3447{
3448 struct pci_dev *oth_pdev;
3449 int val = pdev->devfn;
3450
3451 while (val-- > 0) {
3452 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3453 (pdev->bus), pdev->bus->number,
3454 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3455 if (!oth_pdev)
3456 continue;
451724c8 3457
bfc978fa
AKS		 3458 if (oth_pdev->current_state != PCI_D3cold) {
3459 pci_dev_put(oth_pdev);
451724c8 3460 return 0;
bfc978fa
AKS		 3461 }
3462 pci_dev_put(oth_pdev);
451724c8
SC		 3463 }
3464 return 1;
3465}
3466
3467static int qlcnic_attach_func(struct pci_dev *pdev)
3468{
3469 int err, first_func;
3470 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3471 struct net_device *netdev = adapter->netdev;
3472
3473 pdev->error_state = pci_channel_io_normal;
3474
3475 err = pci_enable_device(pdev);
3476 if (err)
3477 return err;
3478
451724c8
SC		 3479 pci_set_master(pdev);
3480 pci_restore_state(pdev);
3481
3482 first_func = qlcnic_is_first_func(pdev);
3483
3484 if (qlcnic_api_lock(adapter))
3485 return -EINVAL;
3486
79788450 3487 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3488 adapter->need_fw_reset = 1;
3489 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3490 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3491 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3492 QLCDB(adapter, DRV, "Restarting fw\n");
3493 }
3494 qlcnic_api_unlock(adapter);
3495
13159183 3496 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3497 if (err)
3498 return err;
3499
3500 qlcnic_clr_drv_state(adapter);
13159183
SC		 3501 kfree(adapter->msix_entries);
3502 adapter->msix_entries = NULL;
aa4a1f7d 3503 err = qlcnic_setup_intr(adapter, 0, 0);
13159183 3504
9a97e705
M		 3505 if (err) {
3506 kfree(adapter->msix_entries);
3507 netdev_err(netdev, "failed to setup interrupt\n");
3508 return err;
3509 }
3510
451724c8
SC		 3511 if (netif_running(netdev)) {
3512 err = qlcnic_attach(adapter);
3513 if (err) {
21854f02 3514 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3515 clear_bit(__QLCNIC_AER, &adapter->state);
3516 netif_device_attach(netdev);
3517 return err;
3518 }
3519
3520 err = qlcnic_up(adapter, netdev);
3521 if (err)
3522 goto done;
3523
aec1e845 3524 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3525 }
3526 done:
3527 netif_device_attach(netdev);
3528 return err;
3529}
3530
4460f2e8
PP		 3531pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3532 pci_channel_state_t state)
451724c8
SC		 3533{
3534 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3535 struct net_device *netdev = adapter->netdev;
3536
3537 if (state == pci_channel_io_perm_failure)
3538 return PCI_ERS_RESULT_DISCONNECT;
3539
3540 if (state == pci_channel_io_normal)
3541 return PCI_ERS_RESULT_RECOVERED;
3542
3543 set_bit(__QLCNIC_AER, &adapter->state);
3544 netif_device_detach(netdev);
3545
3546 cancel_delayed_work_sync(&adapter->fw_work);
3547
3548 if (netif_running(netdev))
3549 qlcnic_down(adapter, netdev);
3550
3551 qlcnic_detach(adapter);
3552 qlcnic_teardown_intr(adapter);
3553
3554 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3555
3556 pci_save_state(pdev);
3557 pci_disable_device(pdev);
3558
3559 return PCI_ERS_RESULT_NEED_RESET;
3560}
3561
4460f2e8 3562pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3563{
3564 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3565 PCI_ERS_RESULT_RECOVERED;
3566}
3567
4460f2e8 3568void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3569{
a15ebd37 3570 u32 state;
451724c8
SC		 3571 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3572
3573 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3574 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3575 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3576 &adapter->state))
451724c8 3577 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3578 FW_POLL_DELAY);
451724c8
SC		 3579}
3580
4460f2e8
PP		 3581static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3582 pci_channel_state_t state)
3583{
3584 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3585 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3586
3587 if (hw_ops->io_error_detected) {
3588 return hw_ops->io_error_detected(pdev, state);
3589 } else {
3590 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3591 return PCI_ERS_RESULT_DISCONNECT;
3592 }
3593}
3594
3595static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3596{
3597 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3598 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3599
3600 if (hw_ops->io_slot_reset) {
3601 return hw_ops->io_slot_reset(pdev);
3602 } else {
3603 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3604 return PCI_ERS_RESULT_DISCONNECT;
3605 }
3606}
3607
3608static void qlcnic_io_resume(struct pci_dev *pdev)
3609{
3610 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3611 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3612
3613 if (hw_ops->io_resume)
3614 hw_ops->io_resume(pdev);
3615 else
3616 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3617}
3618
3619
87eb743b
AC		 3620static int
3621qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3622{
3623 int err;
3624
3625 err = qlcnic_can_start_firmware(adapter);
3626 if (err)
3627 return err;
3628
78f84e1a
AKS		 3629 err = qlcnic_check_npar_opertional(adapter);
3630 if (err)
3631 return err;
3c4b23b1 3632
174240a8
RB		 3633 err = qlcnic_initialize_nic(adapter);
3634 if (err)
3635 return err;
3636
87eb743b
AC		 3637 qlcnic_check_options(adapter);
3638
7373373d
RB		 3639 err = qlcnic_set_eswitch_port_config(adapter);
3640 if (err)
3641 return err;
3642
87eb743b
AC		 3643 adapter->need_fw_reset = 0;
3644
3645 return err;
3646}
3647
80b17be7 3648int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq)
aa4a1f7d
HM		 3649{
3650 struct net_device *netdev = adapter->netdev;
3651 u8 max_hw = QLCNIC_MAX_TX_RINGS;
3652 u32 max_allowed;
3653
3654 if (!qlcnic_82xx_check(adapter)) {
3655 netdev_err(netdev, "No Multi TX-Q support\n");
3656 return -EINVAL;
3657 }
3658
3659 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3660 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n");
3661 return -EINVAL;
3662 }
3663
3664 if (!qlcnic_check_multi_tx(adapter)) {
3665 netdev_err(netdev, "No Multi TX-Q support\n");
3666 return -EINVAL;
3667 }
3668
3669 if (txq > QLCNIC_MAX_TX_RINGS) {
3670 netdev_err(netdev, "Invalid ring count\n");
3671 return -EINVAL;
3672 }
3673
3674 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3675 num_online_cpus()));
3676 if ((txq > max_allowed) || !is_power_of_2(txq)) {
3677 if (!is_power_of_2(txq))
3678 netdev_err(netdev,
3679 "TX queue should be a power of 2\n");
3680 if (txq > num_online_cpus())
3681 netdev_err(netdev,
3682 "Tx queue should not be higher than [%u], number of online CPUs in the system\n",
3683 num_online_cpus());
3684 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq);
3685 return -EINVAL;
3686 }
3687
3688 return 0;
3689}
3690
6389b76d 3691int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
012ec812 3692 __u32 val)
f94bc1e7 3693{
6389b76d
MC		 3694 struct net_device *netdev = adapter->netdev;
3695 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3696 u32 max_allowed;
3697
aa4a1f7d
HM		 3698 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3699 !qlcnic_use_msi) {
3700 netdev_err(netdev, "No RSS support in INT-x mode\n");
3701 return -EINVAL;
3702 }
3703
012ec812 3704 if (val > QLCNIC_MAX_SDS_RINGS) {
6389b76d 3705 netdev_err(netdev, "RSS value should not be higher than %u\n",
012ec812 3706 QLCNIC_MAX_SDS_RINGS);
6389b76d 3707 return -EINVAL;
f94bc1e7
SC		 3708 }
3709
319ecf12
SC		 3710 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3711 num_online_cpus()));
3712 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3713 if (!is_power_of_2(val))
3714 netdev_err(netdev, "RSS value should be a power of 2\n");
3715
3716 if (val < 2)
3717 netdev_err(netdev, "RSS value should not be lower than 2\n");
3718
3719 if (val > max_hw)
3720 netdev_err(netdev,
3721 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3722 max_hw);
3723
3724 if (val > num_online_cpus())
3725 netdev_err(netdev,
3726 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3727 num_online_cpus());
3728
3729 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3730
f94bc1e7
SC		 3731 return -EINVAL;
3732 }
3733 return 0;
f94bc1e7
SC		 3734}
3735
aa4a1f7d 3736int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq)
f94bc1e7 3737{
13159183 3738 int err;
f94bc1e7 3739 struct net_device *netdev = adapter->netdev;
aa4a1f7d 3740 int num_msix;
f94bc1e7 3741
319ecf12
SC		 3742 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3743 return -EBUSY;
3744
aa4a1f7d
HM		 3745 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3746 !qlcnic_use_msi) {
3747 netdev_err(netdev, "No RSS support in INT-x mode\n");
3748 return -EINVAL;
3749 }
3750
f94bc1e7
SC		 3751 netif_device_detach(netdev);
3752 if (netif_running(netdev))
3753 __qlcnic_down(adapter, netdev);
13159183 3754
7dd90cf1
SC		 3755 qlcnic_detach(adapter);
3756
aa4a1f7d
HM		 3757 if (qlcnic_82xx_check(adapter)) {
3758 if (txq != 0)
3759 adapter->max_drv_tx_rings = txq;
3760
3761 if (qlcnic_check_multi_tx(adapter) &&
3762 (txq > adapter->max_drv_tx_rings))
3763 num_msix = adapter->max_drv_tx_rings;
3764 else
3765 num_msix = data;
3766 }
3767
7ed3ce48 3768 if (qlcnic_83xx_check(adapter)) {
13159183 3769 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3770 qlcnic_83xx_enable_mbx_poll(adapter);
3771 }
13159183 3772
aa4a1f7d
HM		 3773 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings);
3774
f94bc1e7 3775 qlcnic_teardown_intr(adapter);
aa4a1f7d
HM		 3776
3777 err = qlcnic_setup_intr(adapter, data, txq);
9a97e705
M		 3778 if (err) {
3779 kfree(adapter->msix_entries);
3780 netdev_err(netdev, "failed to setup interrupt\n");
3781 return err;
3782 }
f94bc1e7 3783
13159183 3784 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3785 /* register for NIC IDC AEN Events */
3786 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3787 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3788 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3789 if (err) {
3790 dev_err(&adapter->pdev->dev,
3791 "failed to setup mbx interrupt\n");
3792 goto done;
3793 }
f94bc1e7
SC		 3794 }
3795
3796 if (netif_running(netdev)) {
3797 err = qlcnic_attach(adapter);
3798 if (err)
3799 goto done;
3800 err = __qlcnic_up(adapter, netdev);
3801 if (err)
3802 goto done;
3803 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3804 }
aa4a1f7d 3805done:
f94bc1e7
SC		 3806 netif_device_attach(netdev);
3807 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3808 return err;
3809}
3810
af19b491
AKS		 3811#ifdef CONFIG_INET
3812
3813#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3814
af19b491 3815static void
aec1e845
AKS		 3816qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3817 struct net_device *dev, unsigned long event)
af19b491
AKS		 3818{
3819 struct in_device *indev;
af19b491 3820
af19b491
AKS		 3821 indev = in_dev_get(dev);
3822 if (!indev)
3823 return;
3824
3825 for_ifa(indev) {
3826 switch (event) {
3827 case NETDEV_UP:
3828 qlcnic_config_ipaddr(adapter,
3829 ifa->ifa_address, QLCNIC_IP_UP);
3830 break;
3831 case NETDEV_DOWN:
3832 qlcnic_config_ipaddr(adapter,
3833 ifa->ifa_address, QLCNIC_IP_DOWN);
3834 break;
3835 default:
3836 break;
3837 }
3838 } endfor_ifa(indev);
3839
3840 in_dev_put(indev);
af19b491
AKS		 3841}
3842
319ecf12 3843void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3844{
3845 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3846 struct net_device *dev;
3847 u16 vid;
3848
3849 qlcnic_config_indev_addr(adapter, netdev, event);
3850
43c00a75 3851 rcu_read_lock();
b9796a14 3852 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3853 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3854 if (!dev)
3855 continue;
aec1e845
AKS		 3856 qlcnic_config_indev_addr(adapter, dev, event);
3857 }
43c00a75 3858 rcu_read_unlock();
aec1e845
AKS		 3859}
3860
af19b491
AKS		 3861static int qlcnic_netdev_event(struct notifier_block *this,
3862 unsigned long event, void *ptr)
3863{
3864 struct qlcnic_adapter *adapter;
351638e7 3865 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 3866
3867recheck:
3868 if (dev == NULL)
3869 goto done;
3870
3871 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3872 dev = vlan_dev_real_dev(dev);
3873 goto recheck;
3874 }
3875
3876 if (!is_qlcnic_netdev(dev))
3877 goto done;
3878
3879 adapter = netdev_priv(dev);
3880
3881 if (!adapter)
3882 goto done;
3883
8a15ad1f 3884 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3885 goto done;
3886
aec1e845 3887 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3888done:
3889 return NOTIFY_DONE;
3890}
3891
3892static int
3893qlcnic_inetaddr_event(struct notifier_block *this,
3894 unsigned long event, void *ptr)
3895{
3896 struct qlcnic_adapter *adapter;
3897 struct net_device *dev;
3898
3899 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3900
3901 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3902
3903recheck:
aec1e845 3904 if (dev == NULL)
af19b491
AKS		 3905 goto done;
3906
3907 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3908 dev = vlan_dev_real_dev(dev);
3909 goto recheck;
3910 }
3911
3912 if (!is_qlcnic_netdev(dev))
3913 goto done;
3914
3915 adapter = netdev_priv(dev);
3916
251a84c9 3917 if (!adapter)
af19b491
AKS		 3918 goto done;
3919
8a15ad1f 3920 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3921 goto done;
3922
3923 switch (event) {
3924 case NETDEV_UP:
3925 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3926
af19b491
AKS		 3927 break;
3928 case NETDEV_DOWN:
3929 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3930
af19b491
AKS		 3931 break;
3932 default:
3933 break;
3934 }
3935
3936done:
3937 return NOTIFY_DONE;
3938}
3939
3940static struct notifier_block qlcnic_netdev_cb = {
3941 .notifier_call = qlcnic_netdev_event,
3942};
3943
3944static struct notifier_block qlcnic_inetaddr_cb = {
3945 .notifier_call = qlcnic_inetaddr_event,
3946};
3947#else
f8ca2b6f 3948void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3949{ }
3950#endif
fec9dd15 3951static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3952 .error_detected = qlcnic_io_error_detected,
3953 .slot_reset = qlcnic_io_slot_reset,
3954 .resume = qlcnic_io_resume,
3955};
af19b491
AKS		 3956
3957static struct pci_driver qlcnic_driver = {
3958 .name = qlcnic_driver_name,
3959 .id_table = qlcnic_pci_tbl,
3960 .probe = qlcnic_probe,
6bb58bb0 3961 .remove = qlcnic_remove,
af19b491
AKS		 3962#ifdef CONFIG_PM
3963 .suspend = qlcnic_suspend,
3964 .resume = qlcnic_resume,
3965#endif
451724c8 3966 .shutdown = qlcnic_shutdown,
02feda17
RB		 3967 .err_handler = &qlcnic_err_handler,
3968#ifdef CONFIG_QLCNIC_SRIOV
3969 .sriov_configure = qlcnic_pci_sriov_configure,
3970#endif
451724c8 3971
af19b491
AKS		 3972};
3973
3974static int __init qlcnic_init_module(void)
3975{
0cf3a14c 3976 int ret;
af19b491
AKS		 3977
3978 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3979
3980#ifdef CONFIG_INET
3981 register_netdevice_notifier(&qlcnic_netdev_cb);
3982 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3983#endif
3984
0cf3a14c
AKS		 3985 ret = pci_register_driver(&qlcnic_driver);
3986 if (ret) {
3987#ifdef CONFIG_INET
3988 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3989 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3990#endif
3991 }
af19b491 3992
0cf3a14c 3993 return ret;
af19b491
AKS		 3994}
3995
3996module_init(qlcnic_init_module);
3997
3998static void __exit qlcnic_exit_module(void)
3999{
af19b491
AKS		 4000 pci_unregister_driver(&qlcnic_driver);
4001
4002#ifdef CONFIG_INET
4003 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4004 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4005#endif
4006}
4007
4008module_exit(qlcnic_exit_module);
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