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