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qlcnic: Enhance ethtool Statistics for Multiple Tx queue.
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
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;
4c776aad 822 int i, id = 0, ret = 0, j = 0;
bff57d8e 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 862 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 863 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
864 &id))
35dafcb0
SC		 865 adapter->npars[j].eswitch_status = true;
866 else
867 continue;
868 } else {
869 adapter->npars[j].eswitch_status = true;
870 }
871
bff57d8e
SC		 872 adapter->npars[j].pci_func = pfn;
873 adapter->npars[j].active = (u8)pci_info[i].active;
874 adapter->npars[j].type = (u8)pci_info[i].type;
875 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
876 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
877 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 878
9e630955 879 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 880 j++;
346fe763
RB		 881 }
882
4c776aad
SC		 883 /* Update eSwitch status for adapters without per port eSwitch
884 * configuration capability
885 */
886 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 887 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
888 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 889 }
ca315ac2 890
e88db3bd 891 kfree(pci_info);
ca315ac2
DC		 892 return 0;
893
894err_eswitch:
346fe763
RB		 895 kfree(adapter->eswitch);
896 adapter->eswitch = NULL;
ca315ac2 897err_npars:
346fe763 898 kfree(adapter->npars);
ca315ac2 899 adapter->npars = NULL;
e88db3bd
DC		 900err_pci_info:
901 kfree(pci_info);
346fe763
RB		 902
903 return ret;
904}
905
2e9d722d
AC		 906static int
907qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
908{
909 u8 id;
7e8fd003 910 int ret;
2e9d722d 911 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 912 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 913
2e9d722d
AC		 914 ret = qlcnic_api_lock(adapter);
915 if (ret)
916 goto err_lock;
2e9d722d 917
7e8fd003
SS		 918 id = ahw->pci_func;
919 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
920 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
921 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 922 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 923 qlcnic_api_unlock(adapter);
924err_lock:
925 return ret;
926}
927
13159183
SC		 928static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
929 const struct pci_device_id *ent)
2e9d722d 930{
2e9d722d
AC		 931 u32 op_mode, priv_level;
932
933 /* Determine FW API version */
13159183
SC		 934 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
935 QLCNIC_FW_API);
2e9d722d
AC		 936
937 /* Find PCI function number */
13159183 938 qlcnic_get_func_no(adapter);
2e9d722d
AC		 939
940 /* Determine function privilege level */
13159183 941 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 942 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 943 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 944 else
b1fc6d3c 945 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 946
0866d96d 947 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 948 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 949 dev_info(&adapter->pdev->dev,
950 "HAL Version: %d Non Privileged function\n",
79788450 951 adapter->ahw->fw_hal_version);
9f26f547 952 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 953 } else
954 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 955}
956
15087c2b 957#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 958#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 959static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
960{
961 switch (dev_id) {
962 case PCI_DEVICE_ID_QLOGIC_QLE824X:
963 *bar = QLCNIC_82XX_BAR0_LENGTH;
964 break;
13159183 965 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 966 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 967 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 968 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 969 *bar = QLCNIC_83XX_BAR0_LENGTH;
970 break;
15087c2b
SC		 971 default:
972 *bar = 0;
973 }
974}
975
976static int qlcnic_setup_pci_map(struct pci_dev *pdev,
977 struct qlcnic_hardware_context *ahw)
af19b491 978{
15087c2b 979 u32 offset;
af19b491 980 void __iomem *mem_ptr0 = NULL;
15087c2b 981 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 982
af19b491 983 /* remap phys address */
af19b491
AKS		 984 mem_len = pci_resource_len(pdev, 0);
985
15087c2b
SC		 986 qlcnic_get_bar_length(pdev->device, &bar0_len);
987 if (mem_len >= bar0_len) {
af19b491
AKS		 988
989 mem_ptr0 = pci_ioremap_bar(pdev, 0);
990 if (mem_ptr0 == NULL) {
991 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
992 return -EIO;
993 }
994 pci_len0 = mem_len;
995 } else {
996 return -EIO;
997 }
998
f8468331 999 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1000
15087c2b
SC		 1001 ahw->pci_base0 = mem_ptr0;
1002 ahw->pci_len0 = pci_len0;
1003 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1004 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1005
1006 return 0;
1007}
1008
60dcbcb0
MC		 1009static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1010 int index)
2343f06a
MC		 1011{
1012 struct pci_dev *pdev = adapter->pdev;
1013 unsigned short subsystem_vendor;
1014 bool ret = true;
1015
1016 subsystem_vendor = pdev->subsystem_vendor;
1017
1018 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1019 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1020 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1021 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1022 ret = true;
1023 else
1024 ret = false;
1025 }
1026
1027 return ret;
1028}
1029
22999798 1030static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1031{
1032 struct pci_dev *pdev = adapter->pdev;
1033 int i, found = 0;
1034
1035 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1036 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1037 qlcnic_boards[i].device == pdev->device &&
1038 qlcnic_validate_subsystem_id(adapter, i)) {
1039 found = 1;
1040 break;
af19b491 1041 }
af19b491
AKS		 1042 }
1043
1044 if (!found)
7f9a0c34 1045 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1046 else
1047 sprintf(name, "%pM: %s" , adapter->mac_addr,
1048 qlcnic_boards[i].short_name);
af19b491
AKS		 1049}
1050
1051static void
1052qlcnic_check_options(struct qlcnic_adapter *adapter)
1053{
a15ebd37 1054 int err;
031a4a26 1055 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1056 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1057 struct qlcnic_hardware_context *ahw = adapter->ahw;
1058 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1059
1060 prev_fw_version = adapter->fw_version;
af19b491 1061
a15ebd37
HM		 1062 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1063 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1064 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1065
1066 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1067
a15ebd37
HM		 1068 err = qlcnic_get_board_info(adapter);
1069 if (err) {
1070 dev_err(&pdev->dev, "Error getting board config info.\n");
1071 return;
1072 }
1073 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1074 if (fw_dump->tmpl_hdr == NULL ||
1075 adapter->fw_version > prev_fw_version) {
1076 if (fw_dump->tmpl_hdr)
1077 vfree(fw_dump->tmpl_hdr);
1078 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1079 dev_info(&pdev->dev,
1080 "Supports FW dump capability\n");
1081 }
1082 }
1083
13159183
SC		 1084 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1085 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1086
b1fc6d3c 1087 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1088 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1089 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1090 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1091 } else {
1092 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1093 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1094 }
1095
af19b491 1096 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1097 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1098
b1fc6d3c 1099 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1100 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1101 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1102 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1103 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1104 }
1105
099f7aa7 1106 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1107
1108 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1109
251b036a 1110 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1111}
1112
174240a8
RB		 1113static int
1114qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1115{
174240a8 1116 struct qlcnic_info nic_info;
4bd8e738 1117 int err = 0;
174240a8 1118
bff57d8e 1119 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1120 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1121 if (err)
1122 return err;
1123
79788450
SC		 1124 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1125 adapter->ahw->switch_mode = nic_info.switch_mode;
1126 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1127 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1128 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1129
1130 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1131 u32 temp;
4bd8e738
HM		 1132 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1133 if (err == -EIO)
1134 return err;
db131786 1135 adapter->ahw->extra_capability[0] = temp;
d6994ca7
SS		 1136 } else {
1137 adapter->ahw->extra_capability[0] = 0;
776e7bde 1138 }
d6994ca7 1139
79788450
SC		 1140 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1141 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1142
13159183
SC		 1143 /* Disable NPAR for 83XX */
1144 if (qlcnic_83xx_check(adapter))
1145 return err;
1146
79788450 1147 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 1148 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1149 else
1150 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1151
1152 return err;
1153}
1154
ec079a07
SC		 1155void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1156 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1157{
1158 if (esw_cfg->discard_tagged)
1159 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1160 else
1161 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1162
91b7282b
RB		 1163 if (esw_cfg->vlan_id) {
1164 adapter->rx_pvid = esw_cfg->vlan_id;
1165 adapter->tx_pvid = esw_cfg->vlan_id;
1166 } else {
1167 adapter->rx_pvid = 0;
1168 adapter->tx_pvid = 0;
1169 }
8cf61f89
AKS		 1170}
1171
8e586137 1172static int
80d5c368 1173qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1174{
1175 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1176 int err;
1177
1178 if (qlcnic_sriov_vf_check(adapter)) {
1179 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1180 if (err) {
1181 netdev_err(netdev,
1182 "Cannot add VLAN filter for VLAN id %d, err=%d",
1183 vid, err);
1184 return err;
1185 }
1186 }
1187
b9796a14 1188 set_bit(vid, adapter->vlans);
8e586137 1189 return 0;
b9796a14
AC		 1190}
1191
8e586137 1192static int
80d5c368 1193qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1194{
1195 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1196 int err;
1197
1198 if (qlcnic_sriov_vf_check(adapter)) {
1199 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1200 if (err) {
1201 netdev_err(netdev,
1202 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1203 vid, err);
1204 return err;
1205 }
1206 }
b9796a14
AC		 1207
1208 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1209 clear_bit(vid, adapter->vlans);
8e586137 1210 return 0;
b9796a14
AC		 1211}
1212
ec079a07
SC		 1213void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1214 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1215{
ee07c1a7
RB		 1216 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1217 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1218
1219 if (esw_cfg->mac_anti_spoof)
1220 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1221
7373373d
RB		 1222 if (!esw_cfg->mac_override)
1223 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1224
ee07c1a7
RB		 1225 if (!esw_cfg->promisc_mode)
1226 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1227}
1228
d71170fb 1229int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1230{
1231 struct qlcnic_esw_func_cfg esw_cfg;
1232
1233 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1234 return 0;
1235
b1fc6d3c 1236 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1237 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1238 return -EIO;
8cf61f89 1239 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1240 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1241 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1242
1243 return 0;
1244}
1245
147a9088
SS		 1246void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1247 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1248{
1249 struct net_device *netdev = adapter->netdev;
13159183
SC		 1250
1251 if (qlcnic_83xx_check(adapter))
1252 return;
0325d69b 1253
147a9088
SS		 1254 adapter->offload_flags = esw_cfg->offload_flags;
1255 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1256 netdev_update_features(netdev);
1257 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1258}
1259
0866d96d
AC		 1260static int
1261qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1262{
0866d96d
AC		 1263 u32 op_mode, priv_level;
1264 int err = 0;
1265
174240a8
RB		 1266 err = qlcnic_initialize_nic(adapter);
1267 if (err)
1268 return err;
1269
0866d96d
AC		 1270 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1271 return 0;
1272
13159183 1273 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1274 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1275
1276 if (op_mode == QLC_DEV_DRV_DEFAULT)
1277 priv_level = QLCNIC_MGMT_FUNC;
1278 else
b1fc6d3c 1279 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1280
174240a8 1281 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1282 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1283 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1284 err = qlcnic_init_pci_info(adapter);
1285 if (err)
1286 return err;
1287 /* Set privilege level for other functions */
1288 qlcnic_set_function_modes(adapter);
1289 dev_info(&adapter->pdev->dev,
1290 "HAL Version: %d, Management function\n",
79788450 1291 adapter->ahw->fw_hal_version);
0866d96d 1292 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1293 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1294 dev_info(&adapter->pdev->dev,
1295 "HAL Version: %d, Privileged function\n",
79788450 1296 adapter->ahw->fw_hal_version);
0866d96d 1297 }
174240a8 1298 }
0866d96d
AC		 1299
1300 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1301
1302 return err;
1303}
1304
d71170fb 1305int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1306{
1307 struct qlcnic_esw_func_cfg esw_cfg;
1308 struct qlcnic_npar_info *npar;
1309 u8 i;
1310
174240a8 1311 if (adapter->need_fw_reset)
0325d69b
RB		 1312 return 0;
1313
bff57d8e 1314 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
35dafcb0
SC		 1315 if (!adapter->npars[i].eswitch_status)
1316 continue;
1317
0325d69b 1318 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1319 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1320 esw_cfg.mac_override = BIT_0;
ee07c1a7 1321 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1322 if (qlcnic_82xx_check(adapter)) {
1323 esw_cfg.offload_flags = BIT_0;
1324 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1325 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1326 }
0325d69b
RB		 1327 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1328 return -EIO;
1329 npar = &adapter->npars[i];
1330 npar->pvid = esw_cfg.vlan_id;
7373373d 1331 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1332 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1333 npar->discard_tagged = esw_cfg.discard_tagged;
1334 npar->promisc_mode = esw_cfg.promisc_mode;
1335 npar->offload_flags = esw_cfg.offload_flags;
1336 }
1337
1338 return 0;
1339}
1340
13159183 1341
4e8acb01
RB		 1342static int
1343qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1344 struct qlcnic_npar_info *npar, int pci_func)
1345{
1346 struct qlcnic_esw_func_cfg esw_cfg;
1347 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1348 esw_cfg.pci_func = pci_func;
1349 esw_cfg.vlan_id = npar->pvid;
7373373d 1350 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1351 esw_cfg.discard_tagged = npar->discard_tagged;
1352 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1353 esw_cfg.offload_flags = npar->offload_flags;
1354 esw_cfg.promisc_mode = npar->promisc_mode;
1355 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1356 return -EIO;
1357
1358 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1359 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1360 return -EIO;
1361
1362 return 0;
1363}
1364
d71170fb 1365int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1366{
4e8acb01 1367 int i, err;
cea8975e
AC		 1368 struct qlcnic_npar_info *npar;
1369 struct qlcnic_info nic_info;
bff57d8e 1370 u8 pci_func;
cea8975e 1371
bff57d8e
SC		 1372 if (qlcnic_82xx_check(adapter))
1373 if (!adapter->need_fw_reset)
1374 return 0;
cea8975e 1375
4e8acb01 1376 /* Set the NPAR config data after FW reset */
bff57d8e 1377 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1378 npar = &adapter->npars[i];
bff57d8e 1379 pci_func = npar->pci_func;
35dafcb0
SC		 1380 if (!adapter->npars[i].eswitch_status)
1381 continue;
1382
bff57d8e 1383 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1384 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1385 if (err)
1386 return err;
1387 nic_info.min_tx_bw = npar->min_bw;
1388 nic_info.max_tx_bw = npar->max_bw;
1389 err = qlcnic_set_nic_info(adapter, &nic_info);
1390 if (err)
1391 return err;
cea8975e 1392
4e8acb01
RB		 1393 if (npar->enable_pm) {
1394 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1395 npar->dest_npar, 1,
1396 pci_func);
4e8acb01
RB		 1397 if (err)
1398 return err;
cea8975e 1399 }
bff57d8e 1400 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1401 if (err)
1402 return err;
cea8975e 1403 }
4e8acb01 1404 return 0;
cea8975e
AC		 1405}
1406
78f84e1a
AKS		 1407static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1408{
1409 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1410 u32 npar_state;
1411
79788450 1412 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1413 return 0;
1414
a15ebd37
HM		 1415 npar_state = QLC_SHARED_REG_RD32(adapter,
1416 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1417 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1418 msleep(1000);
a15ebd37
HM		 1419 npar_state = QLC_SHARED_REG_RD32(adapter,
1420 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1421 }
1422 if (!npar_opt_timeo) {
1423 dev_err(&adapter->pdev->dev,
8a168ca7 1424 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1425 return -EIO;
1426 }
1427 return 0;
1428}
1429
174240a8
RB		 1430static int
1431qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1432{
1433 int err;
1434
1435 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1436 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1437 return 0;
1438
1439 err = qlcnic_set_default_offload_settings(adapter);
1440 if (err)
1441 return err;
1442
1443 err = qlcnic_reset_npar_config(adapter);
1444 if (err)
1445 return err;
1446
1447 qlcnic_dev_set_npar_ready(adapter);
1448
1449 return err;
1450}
1451
7e2cf4fe 1452int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1453{
d4066833 1454 int err;
af19b491 1455
aa5e18c0
SC		 1456 err = qlcnic_can_start_firmware(adapter);
1457 if (err < 0)
1458 return err;
1459 else if (!err)
d4066833 1460 goto check_fw_status;
af19b491 1461
099f7aa7 1462 if (qlcnic_load_fw_file)
4d5bdb38 1463 qlcnic_request_firmware(adapter);
8f891387 1464 else {
8cfdce08
SC		 1465 err = qlcnic_check_flash_fw_ver(adapter);
1466 if (err)
8f891387 1467 goto err_out;
1468
79788450 1469 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1470 }
af19b491
AKS		 1471
1472 err = qlcnic_need_fw_reset(adapter);
af19b491 1473 if (err == 0)
4e70812b 1474 goto check_fw_status;
af19b491 1475
d4066833
SC		 1476 err = qlcnic_pinit_from_rom(adapter);
1477 if (err)
1478 goto err_out;
af19b491
AKS		 1479
1480 err = qlcnic_load_firmware(adapter);
1481 if (err)
1482 goto err_out;
1483
1484 qlcnic_release_firmware(adapter);
d4066833 1485 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1486
d4066833
SC		 1487check_fw_status:
1488 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1489 if (err)
1490 goto err_out;
1491
a15ebd37 1492 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1493 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1494 err = qlcnic_check_eswitch_mode(adapter);
1495 if (err) {
1496 dev_err(&adapter->pdev->dev,
1497 "Memory allocation failed for eswitch\n");
1498 goto err_out;
1499 }
174240a8
RB		 1500 err = qlcnic_set_mgmt_operations(adapter);
1501 if (err)
1502 goto err_out;
1503
1504 qlcnic_check_options(adapter);
af19b491
AKS		 1505 adapter->need_fw_reset = 0;
1506
a7fc948f
AKS		 1507 qlcnic_release_firmware(adapter);
1508 return 0;
af19b491
AKS		 1509
1510err_out:
a15ebd37 1511 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1512 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1513
af19b491
AKS		 1514 qlcnic_release_firmware(adapter);
1515 return err;
1516}
1517
1518static int
1519qlcnic_request_irq(struct qlcnic_adapter *adapter)
1520{
1521 irq_handler_t handler;
1522 struct qlcnic_host_sds_ring *sds_ring;
13159183 1523 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1524 int err, ring, num_sds_rings;
af19b491
AKS		 1525
1526 unsigned long flags = 0;
1527 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1528 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1529
79788450 1530 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1531 if (qlcnic_82xx_check(adapter))
1532 handler = qlcnic_tmp_intr;
c2534384
MC		 1533 else
1534 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1535 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1536 flags |= IRQF_SHARED;
1537
1538 } else {
1539 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1540 handler = qlcnic_msix_intr;
1541 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1542 handler = qlcnic_msi_intr;
1543 else {
1544 flags |= IRQF_SHARED;
ac166700
HM		 1545 if (qlcnic_82xx_check(adapter))
1546 handler = qlcnic_intr;
1547 else
1548 handler = qlcnic_83xx_intr;
7eb9855d 1549 }
af19b491
AKS		 1550 }
1551 adapter->irq = netdev->irq;
1552
13159183 1553 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1554 if (qlcnic_82xx_check(adapter) ||
1555 (qlcnic_83xx_check(adapter) &&
1556 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1557 num_sds_rings = adapter->max_sds_rings;
1558 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1559 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1560 if (qlcnic_82xx_check(adapter) &&
012ec812 1561 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1562 (ring == (num_sds_rings - 1))) {
1563 if (!(adapter->flags &
1564 QLCNIC_MSIX_ENABLED))
1565 snprintf(sds_ring->name,
1566 sizeof(sds_ring->name),
1567 "qlcnic");
1568 else
1569 snprintf(sds_ring->name,
1570 sizeof(sds_ring->name),
1571 "%s-tx-0-rx-%d",
1572 netdev->name, ring);
1573 } else {
ddb2e174
HM		 1574 snprintf(sds_ring->name,
1575 sizeof(sds_ring->name),
aa2a8034 1576 "%s-rx-%d",
ddb2e174 1577 netdev->name, ring);
aa2a8034 1578 }
ac166700
HM		 1579 err = request_irq(sds_ring->irq, handler, flags,
1580 sds_ring->name, sds_ring);
1581 if (err)
1582 return err;
1583 }
13159183 1584 }
012ec812
HM		 1585 if ((qlcnic_82xx_check(adapter) &&
1586 qlcnic_check_multi_tx(adapter)) ||
1587 (qlcnic_83xx_check(adapter) &&
1588 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1589 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183
SC		 1590 handler = qlcnic_msix_tx_intr;
1591 for (ring = 0; ring < adapter->max_drv_tx_rings;
1592 ring++) {
1593 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1594 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1595 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1596 err = request_irq(tx_ring->irq, handler, flags,
1597 tx_ring->name, tx_ring);
1598 if (err)
1599 return err;
1600 }
1601 }
af19b491 1602 }
af19b491
AKS		 1603 return 0;
1604}
1605
1606static void
1607qlcnic_free_irq(struct qlcnic_adapter *adapter)
1608{
1609 int ring;
1610 struct qlcnic_host_sds_ring *sds_ring;
13159183 1611 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1612
b1fc6d3c 1613 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1614
13159183 1615 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1616 if (qlcnic_82xx_check(adapter) ||
1617 (qlcnic_83xx_check(adapter) &&
1618 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1619 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1620 sds_ring = &recv_ctx->sds_rings[ring];
1621 free_irq(sds_ring->irq, sds_ring);
1622 }
13159183 1623 }
012ec812
HM		 1624 if ((qlcnic_83xx_check(adapter) &&
1625 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1626 (qlcnic_82xx_check(adapter) &&
1627 qlcnic_check_multi_tx(adapter))) {
13159183
SC		 1628 for (ring = 0; ring < adapter->max_drv_tx_rings;
1629 ring++) {
1630 tx_ring = &adapter->tx_ring[ring];
1631 if (tx_ring->irq)
1632 free_irq(tx_ring->irq, tx_ring);
1633 }
1634 }
af19b491
AKS		 1635 }
1636}
1637
99e85879
SS		 1638static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1639{
1640 u32 capab = 0;
1641
1642 if (qlcnic_82xx_check(adapter)) {
db131786 1643 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1644 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1645 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1646 } else {
1647 capab = adapter->ahw->capabilities;
1648 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1649 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1650 }
1651}
1652
319ecf12 1653int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1654{
8a15ad1f
AKS		 1655 int ring;
1656 struct qlcnic_host_rds_ring *rds_ring;
1657
af19b491
AKS		 1658 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1659 return -EIO;
1660
8a15ad1f
AKS		 1661 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1662 return 0;
012ec812 1663
0325d69b
RB		 1664 if (qlcnic_set_eswitch_port_config(adapter))
1665 return -EIO;
012ec812 1666
99e85879 1667 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1668
8a15ad1f
AKS		 1669 if (qlcnic_fw_create_ctx(adapter))
1670 return -EIO;
1671
1672 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1673 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1674 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1675 }
1676
af19b491
AKS		 1677 qlcnic_set_multi(netdev);
1678 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1679
b1fc6d3c 1680 adapter->ahw->linkup = 0;
af19b491
AKS		 1681
1682 if (adapter->max_sds_rings > 1)
1683 qlcnic_config_rss(adapter, 1);
1684
1685 qlcnic_config_intr_coalesce(adapter);
1686
24763d80 1687 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1688 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1689
cfacb172 1690 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1691 qlcnic_napi_enable(adapter);
1692
1693 qlcnic_linkevent_request(adapter, 1);
1694
79788450 1695 adapter->ahw->reset_context = 0;
af19b491
AKS		 1696 return 0;
1697}
1698
629263ac 1699int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1700{
1701 int err = 0;
1702
1703 rtnl_lock();
1704 if (netif_running(netdev))
1705 err = __qlcnic_up(adapter, netdev);
1706 rtnl_unlock();
1707
1708 return err;
1709}
1710
319ecf12 1711void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1712{
012ec812
HM		 1713 int ring;
1714
af19b491
AKS		 1715 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1716 return;
1717
1718 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1719 return;
1720
e8b508ef
RB		 1721 if (qlcnic_sriov_vf_check(adapter))
1722 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1723 smp_mb();
af19b491 1724 netif_carrier_off(netdev);
0a46bac0 1725 adapter->ahw->linkup = 0;
af19b491
AKS		 1726 netif_tx_disable(netdev);
1727
1728 qlcnic_free_mac_list(adapter);
1729
b5e5492c
AKS		 1730 if (adapter->fhash.fnum)
1731 qlcnic_delete_lb_filters(adapter);
1732
af19b491
AKS		 1733 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1734
1735 qlcnic_napi_disable(adapter);
1736
8a15ad1f 1737 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1738 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1739
1740 qlcnic_reset_rx_buffers_list(adapter);
012ec812
HM		 1741
1742 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1743 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1744}
1745
1746/* Usage: During suspend and firmware recovery module */
1747
629263ac 1748void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1749{
1750 rtnl_lock();
1751 if (netif_running(netdev))
1752 __qlcnic_down(adapter, netdev);
1753 rtnl_unlock();
1754
1755}
1756
319ecf12 1757int
af19b491
AKS		 1758qlcnic_attach(struct qlcnic_adapter *adapter)
1759{
1760 struct net_device *netdev = adapter->netdev;
1761 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1762 int err;
af19b491
AKS		 1763
1764 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1765 return 0;
1766
af19b491
AKS		 1767 err = qlcnic_napi_add(adapter, netdev);
1768 if (err)
1769 return err;
1770
1771 err = qlcnic_alloc_sw_resources(adapter);
1772 if (err) {
1773 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1774 goto err_out_napi_del;
af19b491
AKS		 1775 }
1776
1777 err = qlcnic_alloc_hw_resources(adapter);
1778 if (err) {
1779 dev_err(&pdev->dev, "Error in setting hw resources\n");
1780 goto err_out_free_sw;
1781 }
1782
af19b491
AKS		 1783 err = qlcnic_request_irq(adapter);
1784 if (err) {
1785 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1786 goto err_out_free_hw;
af19b491
AKS		 1787 }
1788
af19b491
AKS		 1789 qlcnic_create_sysfs_entries(adapter);
1790
1791 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1792 return 0;
1793
8a15ad1f 1794err_out_free_hw:
af19b491
AKS		 1795 qlcnic_free_hw_resources(adapter);
1796err_out_free_sw:
1797 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1798err_out_napi_del:
1799 qlcnic_napi_del(adapter);
af19b491
AKS		 1800 return err;
1801}
1802
319ecf12 1803void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1804{
1805 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1806 return;
1807
1808 qlcnic_remove_sysfs_entries(adapter);
1809
1810 qlcnic_free_hw_resources(adapter);
1811 qlcnic_release_rx_buffers(adapter);
1812 qlcnic_free_irq(adapter);
1813 qlcnic_napi_del(adapter);
1814 qlcnic_free_sw_resources(adapter);
1815
1816 adapter->is_up = 0;
1817}
1818
7eb9855d
AKS		 1819void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1820{
1821 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1822 struct qlcnic_host_sds_ring *sds_ring;
c2c5e3a0 1823 int max_tx_rings = adapter->max_drv_tx_rings;
7eb9855d
AKS		 1824 int ring;
1825
78ad3892 1826 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1827 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1828 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1829 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1830 qlcnic_disable_int(sds_ring);
cdaff185 1831 }
7eb9855d
AKS		 1832 }
1833
8a15ad1f
AKS		 1834 qlcnic_fw_destroy_ctx(adapter);
1835
7eb9855d
AKS		 1836 qlcnic_detach(adapter);
1837
79788450 1838 adapter->ahw->diag_test = 0;
7eb9855d 1839 adapter->max_sds_rings = max_sds_rings;
c2c5e3a0 1840 adapter->max_drv_tx_rings = max_tx_rings;
7eb9855d
AKS		 1841
1842 if (qlcnic_attach(adapter))
34ce3626 1843 goto out;
7eb9855d
AKS		 1844
1845 if (netif_running(netdev))
1846 __qlcnic_up(adapter, netdev);
34ce3626 1847out:
7eb9855d
AKS		 1848 netif_device_attach(netdev);
1849}
1850
b1fc6d3c
AC		 1851static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1852{
be273dc1 1853 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1854 int err = 0;
be273dc1 1855
b1fc6d3c
AC		 1856 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1857 GFP_KERNEL);
1858 if (!adapter->recv_ctx) {
b1fc6d3c 1859 err = -ENOMEM;
8816d009 1860 goto err_out;
b1fc6d3c 1861 }
8816d009 1862 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1863 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1864 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1865 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1866 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1867 if (qlcnic_83xx_check(adapter)) {
1868 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1869 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1870 }
4be41e92
SC		 1871 /* clear stats */
1872 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1873err_out:
1874 return err;
1875}
1876
1877static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1878{
1879 kfree(adapter->recv_ctx);
1880 adapter->recv_ctx = NULL;
1881
18f2f616
AC		 1882 if (adapter->ahw->fw_dump.tmpl_hdr) {
1883 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1884 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1885 }
4be41e92 1886
81d0aeb0 1887 kfree(adapter->ahw->reset.buff);
4be41e92 1888 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1889}
1890
7eb9855d
AKS		 1891int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1892{
1893 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1894 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1895 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1896 int ring;
1897 int ret;
1898
1899 netif_device_detach(netdev);
1900
1901 if (netif_running(netdev))
1902 __qlcnic_down(adapter, netdev);
1903
1904 qlcnic_detach(adapter);
1905
1906 adapter->max_sds_rings = 1;
79788450 1907 adapter->ahw->diag_test = test;
4be41e92 1908 adapter->ahw->linkup = 0;
c2c5e3a0 1909 adapter->max_drv_tx_rings = 1;
7eb9855d
AKS		 1910
1911 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1912 if (ret) {
1913 netif_device_attach(netdev);
7eb9855d 1914 return ret;
34ce3626 1915 }
7eb9855d 1916
8a15ad1f
AKS		 1917 ret = qlcnic_fw_create_ctx(adapter);
1918 if (ret) {
1919 qlcnic_detach(adapter);
57e46248 1920 netif_device_attach(netdev);
8a15ad1f
AKS		 1921 return ret;
1922 }
1923
1924 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1925 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1926 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1927 }
1928
79788450 1929 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1930 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1931 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1932 qlcnic_enable_int(sds_ring);
cdaff185 1933 }
7eb9855d 1934 }
22c8c934 1935
79788450 1936 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1937 adapter->ahw->loopback_state = 0;
1938 qlcnic_linkevent_request(adapter, 1);
1939 }
1940
78ad3892 1941 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1942
1943 return 0;
1944}
1945
68bf1c68
AKS		 1946/* Reset context in hardware only */
1947static int
1948qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1949{
1950 struct net_device *netdev = adapter->netdev;
1951
1952 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1953 return -EBUSY;
1954
1955 netif_device_detach(netdev);
1956
1957 qlcnic_down(adapter, netdev);
1958
1959 qlcnic_up(adapter, netdev);
1960
1961 netif_device_attach(netdev);
1962
1963 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1964 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1965 return 0;
1966}
1967
af19b491
AKS		 1968int
1969qlcnic_reset_context(struct qlcnic_adapter *adapter)
1970{
1971 int err = 0;
1972 struct net_device *netdev = adapter->netdev;
1973
1974 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1975 return -EBUSY;
1976
1977 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1978
1979 netif_device_detach(netdev);
1980
1981 if (netif_running(netdev))
1982 __qlcnic_down(adapter, netdev);
1983
1984 qlcnic_detach(adapter);
1985
1986 if (netif_running(netdev)) {
1987 err = qlcnic_attach(adapter);
1d5c88e3 1988 if (!err) {
34ce3626 1989 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1990 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1991 }
af19b491
AKS		 1992 }
1993
1994 netif_device_attach(netdev);
1995 }
1996
af19b491
AKS		 1997 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1998 return err;
1999}
2000
52e493d0
JK		 2001void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2002{
2003 struct qlcnic_hardware_context *ahw = adapter->ahw;
2004 u16 act_pci_fn = ahw->act_pci_func;
2005 u16 count;
2006
2007 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2008 if (act_pci_fn <= 2)
2009 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2010 act_pci_fn;
2011 else
2012 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2013 act_pci_fn;
2014 ahw->max_uc_count = count;
2015}
2016
f8468331 2017int
5ad6ff9d
SC		 2018qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2019 int pci_using_dac)
af19b491
AKS		 2020{
2021 int err;
2022 struct pci_dev *pdev = adapter->pdev;
2023
13159183 2024 adapter->rx_csum = 1;
79788450 2025 adapter->ahw->mc_enabled = 0;
52e493d0 2026 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2027
2028 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2029 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2030
2031 qlcnic_change_mtu(netdev, netdev->mtu);
2032
d1a1105e
RB		 2033 if (qlcnic_sriov_vf_check(adapter))
2034 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2035 else
2036 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 2037
7e38d04b 2038 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2039 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2040 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2041 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2042 NETIF_F_IPV6_CSUM);
ac8d0c4f 2043
13159183
SC		 2044 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2045 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2046 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2047 }
af19b491 2048
13159183
SC		 2049 if (pci_using_dac) {
2050 netdev->features |= NETIF_F_HIGHDMA;
2051 netdev->vlan_features |= NETIF_F_HIGHDMA;
2052 }
af19b491 2053
13159183 2054 if (qlcnic_vlan_tx_check(adapter))
f646968f 2055 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2056
91b7282b
RB		 2057 if (qlcnic_sriov_vf_check(adapter))
2058 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2059
13159183
SC		 2060 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2061 netdev->features |= NETIF_F_LRO;
135d84a9 2062
7e38d04b 2063 netdev->hw_features = netdev->features;
52e493d0 2064 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2065 netdev->irq = adapter->msix_entries[0].vector;
2066
aa4a1f7d
HM		 2067 err = qlcnic_set_real_num_queues(adapter, netdev);
2068 if (err)
2069 return err;
012ec812 2070
af19b491
AKS		 2071 err = register_netdev(netdev);
2072 if (err) {
2073 dev_err(&pdev->dev, "failed to register net device\n");
2074 return err;
2075 }
2076
1de899d3 2077 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
48365e48 2078
af19b491
AKS		 2079 return 0;
2080}
2081
5ad6ff9d 2082static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2083{
2084 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2085 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2086 *pci_using_dac = 1;
2087 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2088 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2089 *pci_using_dac = 0;
2090 else {
2091 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2092 return -EIO;
2093 }
2094
2095 return 0;
2096}
2097
4be41e92
SC		 2098void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2099{
2100 int ring;
2101 struct qlcnic_host_tx_ring *tx_ring;
2102
2103 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2104 tx_ring = &adapter->tx_ring[ring];
2105 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2106 vfree(tx_ring->cmd_buf_arr);
2107 tx_ring->cmd_buf_arr = NULL;
2108 }
2109 }
2110 if (adapter->tx_ring != NULL)
2111 kfree(adapter->tx_ring);
2112}
2113
2114int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2115 struct net_device *netdev)
2116{
b2adaca9 2117 int ring, vector, index;
4be41e92
SC		 2118 struct qlcnic_host_tx_ring *tx_ring;
2119 struct qlcnic_cmd_buffer *cmd_buf_arr;
2120
b2adaca9
JP		 2121 tx_ring = kcalloc(adapter->max_drv_tx_rings,
2122 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2123 if (tx_ring == NULL)
4be41e92 2124 return -ENOMEM;
b2adaca9 2125
4be41e92
SC		 2126 adapter->tx_ring = tx_ring;
2127
2128 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2129 tx_ring = &adapter->tx_ring[ring];
2130 tx_ring->num_desc = adapter->num_txd;
2131 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2132 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2133 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2134 qlcnic_free_tx_rings(adapter);
2135 return -ENOMEM;
2136 }
2137 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2138 tx_ring->cmd_buf_arr = cmd_buf_arr;
2139 }
2140
012ec812
HM		 2141 if (qlcnic_83xx_check(adapter) ||
2142 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
4be41e92
SC		 2143 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2144 tx_ring = &adapter->tx_ring[ring];
2145 tx_ring->adapter = adapter;
2146 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2147 index = adapter->max_sds_rings + ring;
2148 vector = adapter->msix_entries[index].vector;
2149 tx_ring->irq = vector;
2150 }
2151 }
2152 }
012ec812 2153
4be41e92
SC		 2154 return 0;
2155}
2156
8af3f33d
PP		 2157void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2158{
2159 struct qlcnic_hardware_context *ahw = adapter->ahw;
2160 u32 fw_cmd = 0;
2161
2162 if (qlcnic_82xx_check(adapter))
2163 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2164 else if (qlcnic_83xx_check(adapter))
2165 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2166
d6994ca7 2167 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2168 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2169}
2170
6bb58bb0 2171static int
af19b491
AKS		 2172qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2173{
2174 struct net_device *netdev = NULL;
2175 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2176 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2177 int err, pci_using_dac = -1;
7bc48646 2178 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
1de899d3 2179 struct qlcnic_dcb *dcb;
af19b491 2180
f8468331
RB		 2181 if (pdev->is_virtfn)
2182 return -ENODEV;
2183
af19b491
AKS		 2184 err = pci_enable_device(pdev);
2185 if (err)
2186 return err;
2187
2188 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2189 err = -ENODEV;
2190 goto err_out_disable_pdev;
2191 }
2192
1bb09fb9
AKS		 2193 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2194 if (err)
2195 goto err_out_disable_pdev;
2196
af19b491
AKS		 2197 err = pci_request_regions(pdev, qlcnic_driver_name);
2198 if (err)
2199 goto err_out_disable_pdev;
2200
2201 pci_set_master(pdev);
451724c8 2202 pci_enable_pcie_error_reporting(pdev);
af19b491 2203
7e2cf4fe 2204 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2205 if (!ahw) {
2206 err = -ENOMEM;
7e2cf4fe 2207 goto err_out_free_res;
02135582 2208 }
7e2cf4fe 2209
f8468331
RB		 2210 switch (ent->device) {
2211 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2212 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2213 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2214 break;
2215 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2216 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2217 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2218 break;
2219 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2220 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2221 qlcnic_sriov_vf_register_map(ahw);
2222 break;
2223 default:
13159183 2224 goto err_out_free_hw_res;
7e2cf4fe
SC		 2225 }
2226
2227 err = qlcnic_setup_pci_map(pdev, ahw);
2228 if (err)
2229 goto err_out_free_hw_res;
2230
012ec812
HM		 2231 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2232 QLCNIC_MAX_TX_RINGS);
af19b491 2233 if (!netdev) {
af19b491 2234 err = -ENOMEM;
7e2cf4fe 2235 goto err_out_iounmap;
af19b491
AKS		 2236 }
2237
2238 SET_NETDEV_DEV(netdev, &pdev->dev);
2239
2240 adapter = netdev_priv(netdev);
2241 adapter->netdev = netdev;
2242 adapter->pdev = pdev;
13159183
SC		 2243 adapter->ahw = ahw;
2244
2245 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2246 if (adapter->qlcnic_wq == NULL) {
02135582 2247 err = -ENOMEM;
13159183
SC		 2248 dev_err(&pdev->dev, "Failed to create workqueue\n");
2249 goto err_out_free_netdev;
2250 }
af19b491 2251
2dfc9671
PST		 2252 err = qlcnic_alloc_adapter_resources(adapter);
2253 if (err)
2b1f18a4 2254 goto err_out_free_wq;
b1fc6d3c
AC		 2255
2256 adapter->dev_rst_time = jiffies;
7e2cf4fe 2257 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2258 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2259 adapter->fdb_mac_learn = true;
2260 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2261 adapter->drv_mac_learn = true;
af19b491 2262
b1fc6d3c
AC		 2263 rwlock_init(&adapter->ahw->crb_lock);
2264 mutex_init(&adapter->ahw->mem_lock);
af19b491 2265
af19b491
AKS		 2266 INIT_LIST_HEAD(&adapter->mac_list);
2267
14d385b9
SC		 2268 qlcnic_register_dcb(adapter);
2269
7e2cf4fe 2270 if (qlcnic_82xx_check(adapter)) {
13159183 2271 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2272 adapter->portnum = adapter->ahw->pci_func;
2273 err = qlcnic_start_firmware(adapter);
2274 if (err) {
66451615
SC		 2275 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2276 "\t\tIf reboot doesn't help, try flashing the card\n");
2277 goto err_out_maintenance_mode;
7e2cf4fe 2278 }
af19b491 2279
012ec812
HM		 2280 qlcnic_get_multiq_capability(adapter);
2281
2282 if ((adapter->ahw->act_pci_func > 2) &&
2283 qlcnic_check_multi_tx(adapter)) {
2284 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2285 dev_info(&adapter->pdev->dev,
2286 "vNIC mode enabled, Set max TX rings = %d\n",
2287 adapter->max_drv_tx_rings);
2288 }
2289
2290 if (!qlcnic_check_multi_tx(adapter)) {
2291 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2292 adapter->max_drv_tx_rings = 1;
2293 }
7e2cf4fe
SC		 2294 err = qlcnic_setup_idc_param(adapter);
2295 if (err)
2296 goto err_out_free_hw;
b0044bcf 2297
7e2cf4fe 2298 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2299
1de899d3
SC		 2300 dcb = adapter->dcb;
2301
2302 if (dcb && qlcnic_dcb_attach(dcb))
2303 qlcnic_clear_dcb_ops(dcb);
14d385b9 2304
13159183 2305 } else if (qlcnic_83xx_check(adapter)) {
012ec812 2306 adapter->max_drv_tx_rings = 1;
13159183
SC		 2307 qlcnic_83xx_check_vf(adapter, ent);
2308 adapter->portnum = adapter->ahw->pci_func;
f8468331 2309 err = qlcnic_83xx_init(adapter, pci_using_dac);
78ea2d97 2310
629263ac 2311 if (err) {
78ea2d97
SC		 2312 switch (err) {
2313 case -ENOTRECOVERABLE:
2314 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n");
2315 dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n");
2316 goto err_out_free_hw;
2317 case -ENOMEM:
2318 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2319 goto err_out_free_hw;
2320 default:
2321 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2322 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2323 goto err_out_maintenance_mode;
2324 }
629263ac 2325 }
78ea2d97 2326
f8468331
RB		 2327 if (qlcnic_sriov_vf_check(adapter))
2328 return 0;
13159183
SC		 2329 } else {
2330 dev_err(&pdev->dev,
2331 "%s: failed. Please Reboot\n", __func__);
2332 goto err_out_free_hw;
a7fc948f 2333 }
af19b491 2334
da48e6c3
RB		 2335 if (qlcnic_read_mac_addr(adapter))
2336 dev_warn(&pdev->dev, "failed to read mac addr\n");
2337
07a251c8
SS		 2338 qlcnic_read_phys_port_id(adapter);
2339
da48e6c3 2340 if (adapter->portnum == 0) {
22999798 2341 qlcnic_get_board_name(adapter, board_name);
13159183 2342
da48e6c3 2343 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2344 module_name(THIS_MODULE),
2345 board_name, adapter->ahw->revision_id);
da48e6c3 2346 }
460374f7
HM		 2347
2348 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2349 !!qlcnic_use_msi)
2350 dev_warn(&pdev->dev,
01b91f4c 2351 "Device does not support MSI interrupts\n");
460374f7 2352
068a8d19 2353 if (qlcnic_82xx_check(adapter)) {
aa4a1f7d 2354 err = qlcnic_setup_intr(adapter, 0, 0);
068a8d19
MC		 2355 if (err) {
2356 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2357 goto err_out_disable_msi;
068a8d19 2358 }
13159183 2359 }
af19b491 2360
02135582
SC		 2361 err = qlcnic_get_act_pci_func(adapter);
2362 if (err)
2363 goto err_out_disable_mbx_intr;
2364
1bb09fb9 2365 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2366 if (err)
7e2cf4fe 2367 goto err_out_disable_mbx_intr;
af19b491 2368
24866d15
HM		 2369 if (adapter->portnum == 0)
2370 qlcnic_set_drv_version(adapter);
c84e340a 2371
af19b491
AKS		 2372 pci_set_drvdata(pdev, adapter);
2373
97ee45eb
SC		 2374 if (qlcnic_82xx_check(adapter))
2375 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2376 FW_POLL_DELAY);
af19b491 2377
b1fc6d3c 2378 switch (adapter->ahw->port_type) {
af19b491
AKS		 2379 case QLCNIC_GBE:
2380 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2381 adapter->netdev->name);
2382 break;
2383 case QLCNIC_XGBE:
2384 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2385 adapter->netdev->name);
2386 break;
2387 }
2388
fe1adc6b 2389 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2390 qlcnic_alloc_lb_filters_mem(adapter);
2391
7e2cf4fe 2392 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2393
2394 return 0;
2395
7e2cf4fe 2396err_out_disable_mbx_intr:
7dd90cf1 2397 if (qlcnic_83xx_check(adapter))
13159183 2398 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2399
af19b491
AKS		 2400err_out_disable_msi:
2401 qlcnic_teardown_intr(adapter);
7e2cf4fe 2402 qlcnic_cancel_idc_work(adapter);
21854f02 2403 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2404
b1fc6d3c
AC		 2405err_out_free_hw:
2406 qlcnic_free_adapter_resources(adapter);
2407
2b1f18a4
WY		 2408err_out_free_wq:
2409 destroy_workqueue(adapter->qlcnic_wq);
2410
af19b491
AKS		 2411err_out_free_netdev:
2412 free_netdev(netdev);
2413
7e2cf4fe 2414err_out_iounmap:
f1a094a8 2415 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2416
2417err_out_free_hw_res:
2418 kfree(ahw);
2419
af19b491
AKS		 2420err_out_free_res:
2421 pci_release_regions(pdev);
2422
2423err_out_disable_pdev:
af19b491
AKS		 2424 pci_disable_device(pdev);
2425 return err;
66451615
SC		 2426
2427err_out_maintenance_mode:
78ea2d97 2428 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615
SC		 2429 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2430 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
78ea2d97
SC		 2431 ahw->port_type = QLCNIC_XGBE;
2432
2433 if (qlcnic_83xx_check(adapter))
2434 adapter->tgt_status_reg = NULL;
2435 else
2436 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2437
66451615
SC		 2438 err = register_netdev(netdev);
2439
2440 if (err) {
2441 dev_err(&pdev->dev, "Failed to register net device\n");
2442 qlcnic_clr_all_drv_state(adapter, 0);
2443 goto err_out_free_hw;
2444 }
2445
2446 pci_set_drvdata(pdev, adapter);
2447 qlcnic_add_sysfs(adapter);
2448
2449 return 0;
af19b491
AKS		 2450}
2451
6bb58bb0 2452static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2453{
2454 struct qlcnic_adapter *adapter;
2455 struct net_device *netdev;
13159183 2456 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2457
2458 adapter = pci_get_drvdata(pdev);
2459 if (adapter == NULL)
2460 return;
2461
2462 netdev = adapter->netdev;
02feda17 2463 qlcnic_sriov_pf_disable(adapter);
af19b491 2464
13159183
SC		 2465 qlcnic_cancel_idc_work(adapter);
2466 ahw = adapter->ahw;
af19b491 2467
1de899d3 2468 qlcnic_dcb_free(adapter->dcb);
14d385b9 2469
af19b491 2470 unregister_netdev(netdev);
02feda17 2471 qlcnic_sriov_cleanup(adapter);
af19b491 2472
13159183 2473 if (qlcnic_83xx_check(adapter)) {
3d73b5fd
JK		 2474 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2475 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2476 qlcnic_83xx_free_mbx_intr(adapter);
2477 qlcnic_83xx_detach_mailbox_work(adapter);
2478 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2479 kfree(ahw->fw_info);
13159183
SC		 2480 }
2481
af19b491
AKS		 2482 qlcnic_detach(adapter);
2483
2e9d722d
AC		 2484 if (adapter->npars != NULL)
2485 kfree(adapter->npars);
2486 if (adapter->eswitch != NULL)
2487 kfree(adapter->eswitch);
2488
97ee45eb
SC		 2489 if (qlcnic_82xx_check(adapter))
2490 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2491
2492 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2493
b5e5492c
AKS		 2494 qlcnic_free_lb_filters_mem(adapter);
2495
af19b491
AKS		 2496 qlcnic_teardown_intr(adapter);
2497
13159183 2498 qlcnic_remove_sysfs(adapter);
af19b491 2499
f1a094a8 2500 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2501
2502 qlcnic_release_firmware(adapter);
2503
451724c8 2504 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2505 pci_release_regions(pdev);
2506 pci_disable_device(pdev);
af19b491 2507
13159183
SC		 2508 if (adapter->qlcnic_wq) {
2509 destroy_workqueue(adapter->qlcnic_wq);
2510 adapter->qlcnic_wq = NULL;
2511 }
14d385b9 2512
b1fc6d3c 2513 qlcnic_free_adapter_resources(adapter);
13159183 2514 kfree(ahw);
af19b491
AKS		 2515 free_netdev(netdev);
2516}
af19b491
AKS		 2517
2518static void qlcnic_shutdown(struct pci_dev *pdev)
2519{
2520 if (__qlcnic_shutdown(pdev))
2521 return;
2522
2523 pci_disable_device(pdev);
2524}
2525
2526#ifdef CONFIG_PM
486a5bc7 2527static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2528{
2529 int retval;
2530
2531 retval = __qlcnic_shutdown(pdev);
2532 if (retval)
2533 return retval;
2534
2535 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2536 return 0;
2537}
2538
486a5bc7 2539static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2540{
2541 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2542 int err;
2543
2544 err = pci_enable_device(pdev);
2545 if (err)
2546 return err;
2547
2548 pci_set_power_state(pdev, PCI_D0);
2549 pci_set_master(pdev);
2550 pci_restore_state(pdev);
2551
486a5bc7 2552 return __qlcnic_resume(adapter);
af19b491
AKS		 2553}
2554#endif
2555
2556static int qlcnic_open(struct net_device *netdev)
2557{
2558 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2559 int err;
2560
78ea2d97
SC		 2561 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2562 netdev_err(netdev, "%s: Device is in non-operational state\n",
2563 __func__);
66451615
SC		 2564
2565 return -EIO;
2566 }
2567
c55ad8e5
AKS		 2568 netif_carrier_off(netdev);
2569
af19b491
AKS		 2570 err = qlcnic_attach(adapter);
2571 if (err)
2572 return err;
2573
2574 err = __qlcnic_up(adapter, netdev);
2575 if (err)
2576 goto err_out;
2577
012ec812 2578 netif_tx_start_all_queues(netdev);
af19b491
AKS		 2579
2580 return 0;
2581
2582err_out:
2583 qlcnic_detach(adapter);
2584 return err;
2585}
2586
2587/*
2588 * qlcnic_close - Disables a network interface entry point
2589 */
2590static int qlcnic_close(struct net_device *netdev)
2591{
2592 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2593
2594 __qlcnic_down(adapter, netdev);
13159183 2595
af19b491
AKS		 2596 return 0;
2597}
2598
e5dcf6dc 2599void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2600{
2601 void *head;
2602 int i;
13159183
SC		 2603 struct net_device *netdev = adapter->netdev;
2604 u32 filter_size = 0;
2605 u16 act_pci_func = 0;
b5e5492c 2606
e5dcf6dc 2607 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2608 return;
2609
13159183 2610 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2611 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2612 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2613
13159183
SC		 2614 if (qlcnic_82xx_check(adapter)) {
2615 filter_size = QLCNIC_LB_MAX_FILTERS;
2616 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2617 } else {
2618 filter_size = QLC_83XX_LB_MAX_FILTERS;
2619 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2620 }
2621
2622 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2623 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2624
b5e5492c
AKS		 2625 if (!head)
2626 return;
2627
13159183 2628 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2629 adapter->fhash.fhead = head;
b5e5492c 2630
13159183
SC		 2631 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2632 act_pci_func, adapter->fhash.fmax);
2633
2634 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2635 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2636
2637 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2638
2639 head = kcalloc(adapter->rx_fhash.fbucket_size,
2640 sizeof(struct hlist_head), GFP_ATOMIC);
2641
2642 if (!head)
2643 return;
2644
2645 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2646 adapter->rx_fhash.fhead = head;
2647
2648 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2649 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2650}
2651
2652static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2653{
2654 if (adapter->fhash.fmax && adapter->fhash.fhead)
2655 kfree(adapter->fhash.fhead);
2656
2657 adapter->fhash.fhead = NULL;
2658 adapter->fhash.fmax = 0;
53643a75
SS		 2659
2660 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2661 kfree(adapter->rx_fhash.fhead);
2662
2663 adapter->rx_fhash.fmax = 0;
2664 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2665}
2666
629263ac 2667int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2668{
2669 struct net_device *netdev = adapter->netdev;
97ee45eb 2670 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2671 int rv = 0;
2672
13159183
SC		 2673 if (qlcnic_83xx_check(adapter))
2674 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2675
97ee45eb 2676 if (qlcnic_82xx_check(adapter))
a15ebd37 2677 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2678
2679 temp_state = qlcnic_get_temp_state(temp);
2680 temp_val = qlcnic_get_temp_val(temp);
2681
2682 if (temp_state == QLCNIC_TEMP_PANIC) {
2683 dev_err(&netdev->dev,
2684 "Device temperature %d degrees C exceeds"
2685 " maximum allowed. Hardware has been shut down.\n",
2686 temp_val);
2687 rv = 1;
2688 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2689 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2690 dev_err(&netdev->dev,
2691 "Device temperature %d degrees C "
2692 "exceeds operating range."
2693 " Immediate action needed.\n",
2694 temp_val);
2695 }
2696 } else {
79788450 2697 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2698 dev_info(&netdev->dev,
2699 "Device temperature is now %d degrees C"
2700 " in normal range.\n", temp_val);
2701 }
2702 }
79788450 2703 adapter->ahw->temp = temp_state;
af19b491
AKS		 2704 return rv;
2705}
2706
af19b491
AKS		 2707static void qlcnic_tx_timeout(struct net_device *netdev)
2708{
2709 struct qlcnic_adapter *adapter = netdev_priv(netdev);
012ec812
HM		 2710 struct qlcnic_host_tx_ring *tx_ring;
2711 int ring;
af19b491
AKS		 2712
2713 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2714 return;
2715
536faa61
SC		 2716 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2717 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2718 if (qlcnic_82xx_check(adapter))
2719 adapter->need_fw_reset = 1;
2720 else if (qlcnic_83xx_check(adapter))
2721 qlcnic_83xx_idc_request_reset(adapter,
2722 QLCNIC_FORCE_FW_DUMP_KEY);
2723 } else {
2724 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
f27c75b3
HM		 2725 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2726 tx_ring = &adapter->tx_ring[ring];
2727 netdev_info(netdev, "Tx ring=%d\n", ring);
2728 netdev_info(netdev,
2729 "crb_intr_mask=%d, producer=%d, sw_consumer=%d, hw_consumer=%d\n",
2730 readl(tx_ring->crb_intr_mask),
2731 readl(tx_ring->crb_cmd_producer),
2732 tx_ring->sw_consumer,
2733 le32_to_cpu(*(tx_ring->hw_consumer)));
2734 netdev_info(netdev,
2735 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2736 tx_ring->tx_stats.xmit_finished,
2737 tx_ring->tx_stats.xmit_called,
2738 tx_ring->tx_stats.xmit_on,
2739 tx_ring->tx_stats.xmit_off);
012ec812 2740 }
79788450 2741 adapter->ahw->reset_context = 1;
536faa61 2742 }
af19b491
AKS		 2743}
2744
2745static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2746{
2747 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2748 struct net_device_stats *stats = &netdev->stats;
2749
af19b491
AKS		 2750 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2751 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2752 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2753 stats->tx_bytes = adapter->stats.txbytes;
2754 stats->rx_dropped = adapter->stats.rxdropped;
2755 stats->tx_dropped = adapter->stats.txdropped;
2756
2757 return stats;
2758}
2759
7e2cf4fe 2760irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2761{
af19b491
AKS		 2762 u32 status;
2763
2764 status = readl(adapter->isr_int_vec);
2765
79788450 2766 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2767 return IRQ_NONE;
2768
2769 /* check interrupt state machine, to be sure */
2770 status = readl(adapter->crb_int_state_reg);
2771 if (!ISR_LEGACY_INT_TRIGGERED(status))
2772 return IRQ_NONE;
2773
2774 writel(0xffffffff, adapter->tgt_status_reg);
2775 /* read twice to ensure write is flushed */
2776 readl(adapter->isr_int_vec);
2777 readl(adapter->isr_int_vec);
2778
7eb9855d
AKS		 2779 return IRQ_HANDLED;
2780}
2781
2782static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2783{
2784 struct qlcnic_host_sds_ring *sds_ring = data;
2785 struct qlcnic_adapter *adapter = sds_ring->adapter;
2786
2787 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2788 goto done;
2789 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2790 writel(0xffffffff, adapter->tgt_status_reg);
2791 goto done;
2792 }
2793
2794 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2795 return IRQ_NONE;
2796
2797done:
79788450 2798 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2799 qlcnic_enable_int(sds_ring);
2800 return IRQ_HANDLED;
2801}
2802
2803static irqreturn_t qlcnic_intr(int irq, void *data)
2804{
2805 struct qlcnic_host_sds_ring *sds_ring = data;
2806 struct qlcnic_adapter *adapter = sds_ring->adapter;
2807
2808 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2809 return IRQ_NONE;
2810
af19b491
AKS		 2811 napi_schedule(&sds_ring->napi);
2812
2813 return IRQ_HANDLED;
2814}
2815
2816static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2817{
2818 struct qlcnic_host_sds_ring *sds_ring = data;
2819 struct qlcnic_adapter *adapter = sds_ring->adapter;
2820
2821 /* clear interrupt */
2822 writel(0xffffffff, adapter->tgt_status_reg);
2823
2824 napi_schedule(&sds_ring->napi);
2825 return IRQ_HANDLED;
2826}
2827
2828static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2829{
2830 struct qlcnic_host_sds_ring *sds_ring = data;
2831
2832 napi_schedule(&sds_ring->napi);
2833 return IRQ_HANDLED;
2834}
2835
13159183
SC		 2836static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2837{
2838 struct qlcnic_host_tx_ring *tx_ring = data;
2839
2840 napi_schedule(&tx_ring->napi);
2841 return IRQ_HANDLED;
2842}
2843
af19b491
AKS		 2844#ifdef CONFIG_NET_POLL_CONTROLLER
2845static void qlcnic_poll_controller(struct net_device *netdev)
2846{
bf82791e
YL		 2847 int ring;
2848 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2849 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2850 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2851
af19b491 2852 disable_irq(adapter->irq);
bf82791e
YL		 2853 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2854 sds_ring = &recv_ctx->sds_rings[ring];
2855 qlcnic_intr(adapter->irq, sds_ring);
2856 }
af19b491
AKS		 2857 enable_irq(adapter->irq);
2858}
2859#endif
2860
6df900e9
SC		 2861static void
2862qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2863{
2864 u32 val;
2865
2866 val = adapter->portnum & 0xf;
2867 val |= encoding << 7;
2868 val |= (jiffies - adapter->dev_rst_time) << 8;
2869
a15ebd37 2870 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2871 adapter->dev_rst_time = jiffies;
2872}
2873
ade91f8e
AKS		 2874static int
2875qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2876{
2877 u32 val;
2878
2879 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2880 state != QLCNIC_DEV_NEED_QUISCENT);
2881
2882 if (qlcnic_api_lock(adapter))
ade91f8e 2883 return -EIO;
af19b491 2884
a15ebd37 2885 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2886
2887 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2888 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2889 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2890 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2891
a15ebd37 2892 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2893
2894 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2895
2896 return 0;
af19b491
AKS		 2897}
2898
1b95a839
AKS		 2899static int
2900qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2901{
2902 u32 val;
2903
2904 if (qlcnic_api_lock(adapter))
2905 return -EBUSY;
2906
a15ebd37 2907 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2908 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2909 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2910
2911 qlcnic_api_unlock(adapter);
2912
2913 return 0;
2914}
2915
486a5bc7 2916void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2917{
2918 u32 val;
2919
2920 if (qlcnic_api_lock(adapter))
2921 goto err;
2922
a15ebd37 2923 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2924 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2925 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2926
21854f02 2927 if (failed) {
a15ebd37
HM		 2928 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2929 QLCNIC_DEV_FAILED);
21854f02
AKS		 2930 dev_info(&adapter->pdev->dev,
2931 "Device state set to Failed. Please Reboot\n");
2932 } else if (!(val & 0x11111111))
a15ebd37
HM		 2933 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2934 QLCNIC_DEV_COLD);
af19b491 2935
a15ebd37 2936 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2937 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2938 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2939
2940 qlcnic_api_unlock(adapter);
2941err:
2942 adapter->fw_fail_cnt = 0;
032a13c7 2943 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2944 clear_bit(__QLCNIC_START_FW, &adapter->state);
2945 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2946}
2947
f73dfc50 2948/* Grab api lock, before checking state */
af19b491
AKS		 2949static int
2950qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2951{
602ca6f0 2952 int act, state, active_mask;
a15ebd37 2953 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2954
a15ebd37
HM		 2955 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2956 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2957
602ca6f0 2958 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2959 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2960 act = act & active_mask;
2961 }
2962
af19b491
AKS		 2963 if (((state & 0x11111111) == (act & 0x11111111)) ||
2964 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2965 return 0;
2966 else
2967 return 1;
2968}
2969
96f8118c
SC		 2970static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2971{
a15ebd37 2972 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2973
2974 if (val != QLCNIC_DRV_IDC_VER) {
2975 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2976 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2977 }
2978
2979 return 0;
2980}
2981
af19b491
AKS		 2982static int
2983qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2984{
2985 u32 val, prev_state;
aa5e18c0 2986 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2987 u8 portnum = adapter->portnum;
96f8118c 2988 u8 ret;
af19b491 2989
f73dfc50
AKS		 2990 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2991 return 1;
2992
af19b491
AKS		 2993 if (qlcnic_api_lock(adapter))
2994 return -1;
2995
a15ebd37 2996 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2997 if (!(val & (1 << (portnum * 4)))) {
2998 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2999 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3000 }
3001
a15ebd37 3002 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3003 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3004
3005 switch (prev_state) {
3006 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3007 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3008 QLCNIC_DEV_INITIALIZING);
3009 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3010 QLCNIC_DRV_IDC_VER);
6df900e9 3011 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3012 qlcnic_api_unlock(adapter);
3013 return 1;
3014
3015 case QLCNIC_DEV_READY:
96f8118c 3016 ret = qlcnic_check_idc_ver(adapter);
af19b491 3017 qlcnic_api_unlock(adapter);
96f8118c 3018 return ret;
af19b491
AKS		 3019
3020 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3021 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3022 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3023 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3024 break;
3025
3026 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3027 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3028 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3029 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3030 break;
3031
3032 case QLCNIC_DEV_FAILED:
a7fc948f 3033 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3034 qlcnic_api_unlock(adapter);
3035 return -1;
bbd8c6a4
AKS		 3036
3037 case QLCNIC_DEV_INITIALIZING:
3038 case QLCNIC_DEV_QUISCENT:
3039 break;
af19b491
AKS		 3040 }
3041
3042 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3043
3044 do {
af19b491 3045 msleep(1000);
a15ebd37 3046 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3047
3048 if (prev_state == QLCNIC_DEV_QUISCENT)
3049 continue;
3050 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3051
65b5b420
AKS		 3052 if (!dev_init_timeo) {
3053 dev_err(&adapter->pdev->dev,
3054 "Waiting for device to initialize timeout\n");
af19b491 3055 return -1;
65b5b420 3056 }
af19b491
AKS		 3057
3058 if (qlcnic_api_lock(adapter))
3059 return -1;
3060
a15ebd37 3061 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3062 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3063 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3064
96f8118c 3065 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3066 qlcnic_api_unlock(adapter);
3067
96f8118c 3068 return ret;
af19b491
AKS		 3069}
3070
3071static void
3072qlcnic_fwinit_work(struct work_struct *work)
3073{
3074 struct qlcnic_adapter *adapter = container_of(work,
3075 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3076 u32 dev_state = 0xf;
7b749ff4 3077 u32 val;
af19b491 3078
f73dfc50
AKS		 3079 if (qlcnic_api_lock(adapter))
3080 goto err_ret;
af19b491 3081
a15ebd37 3082 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3083 if (dev_state == QLCNIC_DEV_QUISCENT ||
3084 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3085 qlcnic_api_unlock(adapter);
3086 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3087 FW_POLL_DELAY * 2);
3088 return;
3089 }
3090
79788450 3091 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3092 qlcnic_api_unlock(adapter);
3093 goto wait_npar;
9f26f547
AC		 3094 }
3095
16e3cf73
SV		 3096 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3097 dev_state == QLCNIC_DEV_READY) {
3098 dev_info(&adapter->pdev->dev, "Detected state change from "
3099 "DEV_NEED_RESET, skipping ack check\n");
3100 goto skip_ack_check;
3101 }
3102
f73dfc50 3103 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3104 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3105 adapter->reset_ack_timeo);
3106 goto skip_ack_check;
3107 }
3108
3109 if (!qlcnic_check_drv_state(adapter)) {
3110skip_ack_check:
a15ebd37 3111 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3112
f73dfc50 3113 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3114 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3115 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3116 set_bit(__QLCNIC_START_FW, &adapter->state);
3117 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3118 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3119 val = QLC_SHARED_REG_RD32(adapter,
3120 QLCNIC_CRB_DRV_STATE);
7b749ff4 3121 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3122 QLC_SHARED_REG_WR32(adapter,
3123 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3124 }
3125
f73dfc50
AKS		 3126 qlcnic_api_unlock(adapter);
3127
287e38aa 3128 rtnl_lock();
890b6e02 3129 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3130 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3131 QLCDB(adapter, DRV, "Take FW dump\n");
3132 qlcnic_dump_fw(adapter);
032a13c7 3133 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3134 }
287e38aa 3135 rtnl_unlock();
7b749ff4
SV		 3136
3137 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3138 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3139 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3140 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3141 return;
3142 }
af19b491
AKS		 3143 goto err_ret;
3144 }
3145
f73dfc50 3146 qlcnic_api_unlock(adapter);
aa5e18c0 3147
9f26f547 3148wait_npar:
a15ebd37 3149 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3150 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3151
af19b491 3152 switch (dev_state) {
3c4b23b1 3153 case QLCNIC_DEV_READY:
7e2cf4fe 3154 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3155 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3156 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3157 return;
3158 }
3c4b23b1
AKS		 3159 case QLCNIC_DEV_FAILED:
3160 break;
3161 default:
3162 qlcnic_schedule_work(adapter,
3163 qlcnic_fwinit_work, FW_POLL_DELAY);
3164 return;
af19b491
AKS		 3165 }
3166
3167err_ret:
f73dfc50
AKS		 3168 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3169 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3170 netif_device_attach(adapter->netdev);
21854f02 3171 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3172}
3173
3174static void
3175qlcnic_detach_work(struct work_struct *work)
3176{
3177 struct qlcnic_adapter *adapter = container_of(work,
3178 struct qlcnic_adapter, fw_work.work);
3179 struct net_device *netdev = adapter->netdev;
3180 u32 status;
3181
3182 netif_device_detach(netdev);
3183
b8c17620
AKS		 3184 /* Dont grab rtnl lock during Quiscent mode */
3185 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3186 if (netif_running(netdev))
3187 __qlcnic_down(adapter, netdev);
3188 } else
3189 qlcnic_down(adapter, netdev);
af19b491 3190
a15ebd37 3191 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3192
44f65b29
SC		 3193 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3194 dev_err(&adapter->pdev->dev,
3195 "Detaching the device: peg halt status1=0x%x\n",
3196 status);
3197
3198 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3199 dev_err(&adapter->pdev->dev,
3200 "On board active cooling fan failed. "
3201 "Device has been halted.\n");
3202 dev_err(&adapter->pdev->dev,
3203 "Replace the adapter.\n");
3204 }
3205
af19b491 3206 goto err_ret;
44f65b29 3207 }
af19b491 3208
79788450 3209 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3210 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3211 adapter->ahw->temp);
af19b491 3212 goto err_ret;
44f65b29
SC		 3213 }
3214
602ca6f0
SV		 3215 /* Dont ack if this instance is the reset owner */
3216 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3217 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3218 dev_err(&adapter->pdev->dev,
3219 "Failed to set driver state,"
3220 "detaching the device.\n");
602ca6f0 3221 goto err_ret;
44f65b29 3222 }
602ca6f0 3223 }
af19b491
AKS		 3224
3225 adapter->fw_wait_cnt = 0;
3226
3227 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3228
3229 return;
3230
3231err_ret:
34ce3626 3232 netif_device_attach(netdev);
21854f02 3233 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3234}
3235
3c4b23b1
AKS		 3236/*Transit NPAR state to NON Operational */
3237static void
3238qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3239{
3240 u32 state;
3241
a15ebd37 3242 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3243 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3244 return;
3245
3246 if (qlcnic_api_lock(adapter))
3247 return;
a15ebd37
HM		 3248 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3249 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3250 qlcnic_api_unlock(adapter);
3251}
3252
7e2cf4fe 3253void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 3254{
646779f1
SV		 3255 u32 state, xg_val = 0, gb_val = 0;
3256
3257 qlcnic_xg_set_xg0_mask(xg_val);
3258 qlcnic_xg_set_xg1_mask(xg_val);
3259 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3260 qlcnic_gb_set_gb0_mask(gb_val);
3261 qlcnic_gb_set_gb1_mask(gb_val);
3262 qlcnic_gb_set_gb2_mask(gb_val);
3263 qlcnic_gb_set_gb3_mask(gb_val);
3264 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3265 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3266 " on all ports\n");
cea8975e 3267 adapter->need_fw_reset = 1;
13159183 3268
af19b491
AKS		 3269 if (qlcnic_api_lock(adapter))
3270 return;
3271
13159183 3272 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3273
3274 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3275 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3276 __func__);
3277 qlcnic_api_unlock(adapter);
3278
3279 return;
3280 }
af19b491 3281
f73dfc50 3282 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3283 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3284 QLCNIC_DEV_NEED_RESET);
602ca6f0 3285 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3286 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3287 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3288 }
3289
13159183
SC		 3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3291 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3292 qlcnic_api_unlock(adapter);
3293}
3294
9f26f547
AC		 3295/* Transit to NPAR READY state from NPAR NOT READY state */
3296static void
3297qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3298{
9f26f547
AC		 3299 if (qlcnic_api_lock(adapter))
3300 return;
3301
a15ebd37
HM		 3302 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3303 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3304 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3305
3306 qlcnic_api_unlock(adapter);
3307}
3308
13159183
SC		 3309void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3310 work_func_t func, int delay)
af19b491 3311{
451724c8
SC		 3312 if (test_bit(__QLCNIC_AER, &adapter->state))
3313 return;
3314
af19b491 3315 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3316 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3317 round_jiffies_relative(delay));
af19b491
AKS		 3318}
3319
3320static void
3321qlcnic_attach_work(struct work_struct *work)
3322{
3323 struct qlcnic_adapter *adapter = container_of(work,
3324 struct qlcnic_adapter, fw_work.work);
3325 struct net_device *netdev = adapter->netdev;
b18971d1 3326 u32 npar_state;
af19b491 3327
79788450 3328 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3329 npar_state = QLC_SHARED_REG_RD32(adapter,
3330 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3331 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3332 qlcnic_clr_all_drv_state(adapter, 0);
3333 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3334 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3335 FW_POLL_DELAY);
3336 else
3337 goto attach;
3338 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3339 return;
3340 }
3341attach:
1de899d3 3342 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3343
af19b491 3344 if (netif_running(netdev)) {
52486a3a 3345 if (qlcnic_up(adapter, netdev))
af19b491 3346 goto done;
af19b491 3347
aec1e845 3348 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3349 }
3350
af19b491 3351done:
34ce3626 3352 netif_device_attach(netdev);
af19b491 3353 adapter->fw_fail_cnt = 0;
032a13c7 3354 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3355 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3356 if (adapter->portnum == 0)
3357 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3358
3359 if (!qlcnic_clr_drv_state(adapter))
3360 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3361 FW_POLL_DELAY);
af19b491
AKS		 3362}
3363
3364static int
3365qlcnic_check_health(struct qlcnic_adapter *adapter)
3366{
891e71b1
PP		 3367 struct qlcnic_hardware_context *ahw = adapter->ahw;
3368 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3369 u32 state = 0, heartbeat;
853d4bca 3370 u32 peg_status;
4bd8e738 3371 int err = 0;
af19b491
AKS		 3372
3373 if (qlcnic_check_temp(adapter))
3374 goto detach;
3375
2372a5f1 3376 if (adapter->need_fw_reset)
7e2cf4fe 3377 qlcnic_dev_request_reset(adapter, 0);
af19b491 3378
a15ebd37 3379 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3380 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3381 qlcnic_set_npar_non_operational(adapter);
af19b491 3382 adapter->need_fw_reset = 1;
b8c17620
AKS		 3383 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3384 goto detach;
af19b491 3385
a15ebd37 3386 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3387 if (heartbeat != adapter->heartbeat) {
3388 adapter->heartbeat = heartbeat;
af19b491
AKS		 3389 adapter->fw_fail_cnt = 0;
3390 if (adapter->need_fw_reset)
3391 goto detach;
68bf1c68 3392
891e71b1 3393 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3394 qlcnic_reset_hw_context(adapter);
68bf1c68 3395
af19b491
AKS		 3396 return 0;
3397 }
3398
3399 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3400 return 0;
3401
032a13c7
SV		 3402 adapter->flags |= QLCNIC_FW_HANG;
3403
7e2cf4fe 3404 qlcnic_dev_request_reset(adapter, 0);
af19b491 3405
099f7aa7 3406 if (qlcnic_auto_fw_reset)
0df170b6 3407 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3408
853d4bca 3409 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3410 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3411 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3412 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3413 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3414 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3415 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3416 peg_status,
3417 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3418 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3419 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3420 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3421 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3422 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3423 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3424 dev_err(&adapter->pdev->dev,
3425 "Firmware aborted with error code 0x00006700. "
3426 "Device is being reset.\n");
af19b491
AKS		 3427detach:
3428 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3429 QLCNIC_DEV_NEED_RESET;
3430
099f7aa7
SC		 3431 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3432 &adapter->state)) {
65b5b420 3433
af19b491 3434 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3435 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3436 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3437 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3438 qlcnic_dump_fw(adapter);
65b5b420 3439 }
af19b491
AKS		 3440
3441 return 1;
3442}
3443
486a5bc7 3444void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3445{
3446 struct qlcnic_adapter *adapter = container_of(work,
3447 struct qlcnic_adapter, fw_work.work);
3448
3449 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3450 goto reschedule;
3451
3452
3453 if (qlcnic_check_health(adapter))
3454 return;
3455
b5e5492c
AKS		 3456 if (adapter->fhash.fnum)
3457 qlcnic_prune_lb_filters(adapter);
3458
af19b491
AKS		 3459reschedule:
3460 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3461}
3462
451724c8
SC		 3463static int qlcnic_is_first_func(struct pci_dev *pdev)
3464{
3465 struct pci_dev *oth_pdev;
3466 int val = pdev->devfn;
3467
3468 while (val-- > 0) {
3469 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3470 (pdev->bus), pdev->bus->number,
3471 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3472 if (!oth_pdev)
3473 continue;
451724c8 3474
bfc978fa
AKS		 3475 if (oth_pdev->current_state != PCI_D3cold) {
3476 pci_dev_put(oth_pdev);
451724c8 3477 return 0;
bfc978fa
AKS		 3478 }
3479 pci_dev_put(oth_pdev);
451724c8
SC		 3480 }
3481 return 1;
3482}
3483
3484static int qlcnic_attach_func(struct pci_dev *pdev)
3485{
3486 int err, first_func;
3487 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3488 struct net_device *netdev = adapter->netdev;
3489
3490 pdev->error_state = pci_channel_io_normal;
3491
3492 err = pci_enable_device(pdev);
3493 if (err)
3494 return err;
3495
451724c8
SC		 3496 pci_set_master(pdev);
3497 pci_restore_state(pdev);
3498
3499 first_func = qlcnic_is_first_func(pdev);
3500
3501 if (qlcnic_api_lock(adapter))
3502 return -EINVAL;
3503
79788450 3504 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3505 adapter->need_fw_reset = 1;
3506 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3507 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3508 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3509 QLCDB(adapter, DRV, "Restarting fw\n");
3510 }
3511 qlcnic_api_unlock(adapter);
3512
13159183 3513 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3514 if (err)
3515 return err;
3516
3517 qlcnic_clr_drv_state(adapter);
13159183
SC		 3518 kfree(adapter->msix_entries);
3519 adapter->msix_entries = NULL;
aa4a1f7d 3520 err = qlcnic_setup_intr(adapter, 0, 0);
13159183 3521
9a97e705
M		 3522 if (err) {
3523 kfree(adapter->msix_entries);
3524 netdev_err(netdev, "failed to setup interrupt\n");
3525 return err;
3526 }
3527
451724c8
SC		 3528 if (netif_running(netdev)) {
3529 err = qlcnic_attach(adapter);
3530 if (err) {
21854f02 3531 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3532 clear_bit(__QLCNIC_AER, &adapter->state);
3533 netif_device_attach(netdev);
3534 return err;
3535 }
3536
3537 err = qlcnic_up(adapter, netdev);
3538 if (err)
3539 goto done;
3540
aec1e845 3541 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3542 }
3543 done:
3544 netif_device_attach(netdev);
3545 return err;
3546}
3547
4460f2e8
PP		 3548pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3549 pci_channel_state_t state)
451724c8
SC		 3550{
3551 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3552 struct net_device *netdev = adapter->netdev;
3553
3554 if (state == pci_channel_io_perm_failure)
3555 return PCI_ERS_RESULT_DISCONNECT;
3556
3557 if (state == pci_channel_io_normal)
3558 return PCI_ERS_RESULT_RECOVERED;
3559
3560 set_bit(__QLCNIC_AER, &adapter->state);
3561 netif_device_detach(netdev);
3562
3563 cancel_delayed_work_sync(&adapter->fw_work);
3564
3565 if (netif_running(netdev))
3566 qlcnic_down(adapter, netdev);
3567
3568 qlcnic_detach(adapter);
3569 qlcnic_teardown_intr(adapter);
3570
3571 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3572
3573 pci_save_state(pdev);
3574 pci_disable_device(pdev);
3575
3576 return PCI_ERS_RESULT_NEED_RESET;
3577}
3578
4460f2e8 3579pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3580{
3581 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3582 PCI_ERS_RESULT_RECOVERED;
3583}
3584
4460f2e8 3585void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3586{
a15ebd37 3587 u32 state;
451724c8
SC		 3588 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3589
3590 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3591 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3592 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3593 &adapter->state))
451724c8 3594 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3595 FW_POLL_DELAY);
451724c8
SC		 3596}
3597
4460f2e8
PP		 3598static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3599 pci_channel_state_t state)
3600{
3601 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3602 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3603
3604 if (hw_ops->io_error_detected) {
3605 return hw_ops->io_error_detected(pdev, state);
3606 } else {
3607 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3608 return PCI_ERS_RESULT_DISCONNECT;
3609 }
3610}
3611
3612static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3613{
3614 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3615 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3616
3617 if (hw_ops->io_slot_reset) {
3618 return hw_ops->io_slot_reset(pdev);
3619 } else {
3620 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3621 return PCI_ERS_RESULT_DISCONNECT;
3622 }
3623}
3624
3625static void qlcnic_io_resume(struct pci_dev *pdev)
3626{
3627 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3628 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3629
3630 if (hw_ops->io_resume)
3631 hw_ops->io_resume(pdev);
3632 else
3633 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3634}
3635
3636
87eb743b
AC		 3637static int
3638qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3639{
3640 int err;
3641
3642 err = qlcnic_can_start_firmware(adapter);
3643 if (err)
3644 return err;
3645
78f84e1a
AKS		 3646 err = qlcnic_check_npar_opertional(adapter);
3647 if (err)
3648 return err;
3c4b23b1 3649
174240a8
RB		 3650 err = qlcnic_initialize_nic(adapter);
3651 if (err)
3652 return err;
3653
87eb743b
AC		 3654 qlcnic_check_options(adapter);
3655
7373373d
RB		 3656 err = qlcnic_set_eswitch_port_config(adapter);
3657 if (err)
3658 return err;
3659
87eb743b
AC		 3660 adapter->need_fw_reset = 0;
3661
3662 return err;
3663}
3664
80b17be7 3665int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq)
aa4a1f7d
HM		 3666{
3667 struct net_device *netdev = adapter->netdev;
3668 u8 max_hw = QLCNIC_MAX_TX_RINGS;
3669 u32 max_allowed;
3670
aa4a1f7d
HM		 3671 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3672 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n");
3673 return -EINVAL;
3674 }
3675
3676 if (!qlcnic_check_multi_tx(adapter)) {
3677 netdev_err(netdev, "No Multi TX-Q support\n");
3678 return -EINVAL;
3679 }
3680
3681 if (txq > QLCNIC_MAX_TX_RINGS) {
3682 netdev_err(netdev, "Invalid ring count\n");
3683 return -EINVAL;
3684 }
3685
3686 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3687 num_online_cpus()));
3688 if ((txq > max_allowed) || !is_power_of_2(txq)) {
3689 if (!is_power_of_2(txq))
3690 netdev_err(netdev,
3691 "TX queue should be a power of 2\n");
3692 if (txq > num_online_cpus())
3693 netdev_err(netdev,
3694 "Tx queue should not be higher than [%u], number of online CPUs in the system\n",
3695 num_online_cpus());
3696 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq);
3697 return -EINVAL;
3698 }
3699
3700 return 0;
3701}
3702
6389b76d 3703int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
012ec812 3704 __u32 val)
f94bc1e7 3705{
6389b76d
MC		 3706 struct net_device *netdev = adapter->netdev;
3707 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3708 u32 max_allowed;
3709
66c562ef 3710 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
aa4a1f7d
HM		 3711 netdev_err(netdev, "No RSS support in INT-x mode\n");
3712 return -EINVAL;
3713 }
3714
012ec812 3715 if (val > QLCNIC_MAX_SDS_RINGS) {
6389b76d 3716 netdev_err(netdev, "RSS value should not be higher than %u\n",
012ec812 3717 QLCNIC_MAX_SDS_RINGS);
6389b76d 3718 return -EINVAL;
f94bc1e7
SC		 3719 }
3720
319ecf12
SC		 3721 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3722 num_online_cpus()));
3723 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3724 if (!is_power_of_2(val))
3725 netdev_err(netdev, "RSS value should be a power of 2\n");
3726
3727 if (val < 2)
3728 netdev_err(netdev, "RSS value should not be lower than 2\n");
3729
3730 if (val > max_hw)
3731 netdev_err(netdev,
3732 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3733 max_hw);
3734
3735 if (val > num_online_cpus())
3736 netdev_err(netdev,
3737 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3738 num_online_cpus());
3739
3740 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3741
f94bc1e7
SC		 3742 return -EINVAL;
3743 }
3744 return 0;
f94bc1e7
SC		 3745}
3746
aa4a1f7d 3747int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq)
f94bc1e7 3748{
13159183 3749 int err;
f94bc1e7 3750 struct net_device *netdev = adapter->netdev;
aa4a1f7d 3751 int num_msix;
f94bc1e7 3752
319ecf12
SC		 3753 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3754 return -EBUSY;
3755
aa4a1f7d
HM		 3756 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3757 !qlcnic_use_msi) {
3758 netdev_err(netdev, "No RSS support in INT-x mode\n");
3759 return -EINVAL;
3760 }
3761
f94bc1e7
SC		 3762 netif_device_detach(netdev);
3763 if (netif_running(netdev))
3764 __qlcnic_down(adapter, netdev);
13159183 3765
7dd90cf1
SC		 3766 qlcnic_detach(adapter);
3767
aa4a1f7d
HM		 3768 if (qlcnic_82xx_check(adapter)) {
3769 if (txq != 0)
3770 adapter->max_drv_tx_rings = txq;
3771
3772 if (qlcnic_check_multi_tx(adapter) &&
3773 (txq > adapter->max_drv_tx_rings))
3774 num_msix = adapter->max_drv_tx_rings;
3775 else
3776 num_msix = data;
3777 }
3778
7ed3ce48 3779 if (qlcnic_83xx_check(adapter)) {
13159183 3780 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3781 qlcnic_83xx_enable_mbx_poll(adapter);
3782 }
13159183 3783
aa4a1f7d
HM		 3784 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings);
3785
f94bc1e7 3786 qlcnic_teardown_intr(adapter);
aa4a1f7d
HM		 3787
3788 err = qlcnic_setup_intr(adapter, data, txq);
9a97e705
M		 3789 if (err) {
3790 kfree(adapter->msix_entries);
3791 netdev_err(netdev, "failed to setup interrupt\n");
3792 return err;
3793 }
f94bc1e7 3794
13159183 3795 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3796 /* register for NIC IDC AEN Events */
3797 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3798 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3799 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3800 if (err) {
3801 dev_err(&adapter->pdev->dev,
3802 "failed to setup mbx interrupt\n");
3803 goto done;
3804 }
f94bc1e7
SC		 3805 }
3806
3807 if (netif_running(netdev)) {
3808 err = qlcnic_attach(adapter);
3809 if (err)
3810 goto done;
3811 err = __qlcnic_up(adapter, netdev);
3812 if (err)
3813 goto done;
3814 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3815 }
aa4a1f7d 3816done:
f94bc1e7
SC		 3817 netif_device_attach(netdev);
3818 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3819 return err;
3820}
3821
af19b491
AKS		 3822#ifdef CONFIG_INET
3823
3824#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3825
af19b491 3826static void
aec1e845
AKS		 3827qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3828 struct net_device *dev, unsigned long event)
af19b491
AKS		 3829{
3830 struct in_device *indev;
af19b491 3831
af19b491
AKS		 3832 indev = in_dev_get(dev);
3833 if (!indev)
3834 return;
3835
3836 for_ifa(indev) {
3837 switch (event) {
3838 case NETDEV_UP:
3839 qlcnic_config_ipaddr(adapter,
3840 ifa->ifa_address, QLCNIC_IP_UP);
3841 break;
3842 case NETDEV_DOWN:
3843 qlcnic_config_ipaddr(adapter,
3844 ifa->ifa_address, QLCNIC_IP_DOWN);
3845 break;
3846 default:
3847 break;
3848 }
3849 } endfor_ifa(indev);
3850
3851 in_dev_put(indev);
af19b491
AKS		 3852}
3853
319ecf12 3854void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3855{
3856 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3857 struct net_device *dev;
3858 u16 vid;
3859
3860 qlcnic_config_indev_addr(adapter, netdev, event);
3861
43c00a75 3862 rcu_read_lock();
b9796a14 3863 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3864 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3865 if (!dev)
3866 continue;
aec1e845
AKS		 3867 qlcnic_config_indev_addr(adapter, dev, event);
3868 }
43c00a75 3869 rcu_read_unlock();
aec1e845
AKS		 3870}
3871
af19b491
AKS		 3872static int qlcnic_netdev_event(struct notifier_block *this,
3873 unsigned long event, void *ptr)
3874{
3875 struct qlcnic_adapter *adapter;
351638e7 3876 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 3877
3878recheck:
3879 if (dev == NULL)
3880 goto done;
3881
3882 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3883 dev = vlan_dev_real_dev(dev);
3884 goto recheck;
3885 }
3886
3887 if (!is_qlcnic_netdev(dev))
3888 goto done;
3889
3890 adapter = netdev_priv(dev);
3891
3892 if (!adapter)
3893 goto done;
3894
8a15ad1f 3895 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3896 goto done;
3897
aec1e845 3898 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3899done:
3900 return NOTIFY_DONE;
3901}
3902
3903static int
3904qlcnic_inetaddr_event(struct notifier_block *this,
3905 unsigned long event, void *ptr)
3906{
3907 struct qlcnic_adapter *adapter;
3908 struct net_device *dev;
3909
3910 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3911
3912 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3913
3914recheck:
aec1e845 3915 if (dev == NULL)
af19b491
AKS		 3916 goto done;
3917
3918 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3919 dev = vlan_dev_real_dev(dev);
3920 goto recheck;
3921 }
3922
3923 if (!is_qlcnic_netdev(dev))
3924 goto done;
3925
3926 adapter = netdev_priv(dev);
3927
251a84c9 3928 if (!adapter)
af19b491
AKS		 3929 goto done;
3930
8a15ad1f 3931 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3932 goto done;
3933
3934 switch (event) {
3935 case NETDEV_UP:
3936 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3937
af19b491
AKS		 3938 break;
3939 case NETDEV_DOWN:
3940 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3941
af19b491
AKS		 3942 break;
3943 default:
3944 break;
3945 }
3946
3947done:
3948 return NOTIFY_DONE;
3949}
3950
3951static struct notifier_block qlcnic_netdev_cb = {
3952 .notifier_call = qlcnic_netdev_event,
3953};
3954
3955static struct notifier_block qlcnic_inetaddr_cb = {
3956 .notifier_call = qlcnic_inetaddr_event,
3957};
3958#else
f8ca2b6f 3959void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3960{ }
3961#endif
fec9dd15 3962static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3963 .error_detected = qlcnic_io_error_detected,
3964 .slot_reset = qlcnic_io_slot_reset,
3965 .resume = qlcnic_io_resume,
3966};
af19b491
AKS		 3967
3968static struct pci_driver qlcnic_driver = {
3969 .name = qlcnic_driver_name,
3970 .id_table = qlcnic_pci_tbl,
3971 .probe = qlcnic_probe,
6bb58bb0 3972 .remove = qlcnic_remove,
af19b491
AKS		 3973#ifdef CONFIG_PM
3974 .suspend = qlcnic_suspend,
3975 .resume = qlcnic_resume,
3976#endif
451724c8 3977 .shutdown = qlcnic_shutdown,
02feda17
RB		 3978 .err_handler = &qlcnic_err_handler,
3979#ifdef CONFIG_QLCNIC_SRIOV
3980 .sriov_configure = qlcnic_pci_sriov_configure,
3981#endif
451724c8 3982
af19b491
AKS		 3983};
3984
3985static int __init qlcnic_init_module(void)
3986{
0cf3a14c 3987 int ret;
af19b491
AKS		 3988
3989 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3990
3991#ifdef CONFIG_INET
3992 register_netdevice_notifier(&qlcnic_netdev_cb);
3993 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3994#endif
3995
0cf3a14c
AKS		 3996 ret = pci_register_driver(&qlcnic_driver);
3997 if (ret) {
3998#ifdef CONFIG_INET
3999 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4000 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4001#endif
4002 }
af19b491 4003
0cf3a14c 4004 return ret;
af19b491
AKS		 4005}
4006
4007module_init(qlcnic_init_module);
4008
4009static void __exit qlcnic_exit_module(void)
4010{
af19b491
AKS		 4011 pci_unregister_driver(&qlcnic_driver);
4012
4013#ifdef CONFIG_INET
4014 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4015 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4016#endif
4017}
4018
4019module_exit(qlcnic_exit_module);
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