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qlcnic: Enhance ethtool to display ring indices and interrupt mask
[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;
bff57d8e
SC		 822 int i, ret = 0, j = 0;
823 u16 act_pci_func;
346fe763
RB		 824 u8 pfn;
825
e88db3bd
DC		 826 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
827 if (!pci_info)
828 return -ENOMEM;
829
bff57d8e
SC		 830 ret = qlcnic_get_pci_info(adapter, pci_info);
831 if (ret)
832 goto err_pci_info;
833
834 act_pci_func = adapter->ahw->act_pci_func;
835
ca315ac2 836 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 837 act_pci_func, GFP_KERNEL);
e88db3bd 838 if (!adapter->npars) {
900853a4 839 ret = -ENOMEM;
e88db3bd
DC		 840 goto err_pci_info;
841 }
346fe763 842
ca315ac2 843 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 844 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
845 if (!adapter->eswitch) {
900853a4 846 ret = -ENOMEM;
ca315ac2 847 goto err_npars;
346fe763
RB		 848 }
849
ca315ac2
DC		 850 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
851 pfn = pci_info[i].id;
bff57d8e 852
0f6efff9 853 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 854 ret = QL_STATUS_INVALID_PARAM;
855 goto err_eswitch;
856 }
bff57d8e
SC		 857
858 if (!pci_info[i].active ||
859 (pci_info[i].type != QLCNIC_TYPE_NIC))
860 continue;
861
35dafcb0
SC		 862 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
863 if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn))
864 adapter->npars[j].eswitch_status = true;
865 else
866 continue;
867 } else {
868 adapter->npars[j].eswitch_status = true;
869 }
870
bff57d8e
SC		 871 adapter->npars[j].pci_func = pfn;
872 adapter->npars[j].active = (u8)pci_info[i].active;
873 adapter->npars[j].type = (u8)pci_info[i].type;
874 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
875 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
876 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 877
9e630955 878 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 879 j++;
346fe763
RB		 880 }
881
35dafcb0
SC		 882 if (qlcnic_82xx_check(adapter)) {
883 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
884 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
885 } else if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
886 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
13159183
SC		 887 qlcnic_enable_eswitch(adapter, i, 1);
888 }
ca315ac2 889
e88db3bd 890 kfree(pci_info);
ca315ac2
DC		 891 return 0;
892
893err_eswitch:
346fe763
RB		 894 kfree(adapter->eswitch);
895 adapter->eswitch = NULL;
ca315ac2 896err_npars:
346fe763 897 kfree(adapter->npars);
ca315ac2 898 adapter->npars = NULL;
e88db3bd
DC		 899err_pci_info:
900 kfree(pci_info);
346fe763
RB		 901
902 return ret;
903}
904
2e9d722d
AC		 905static int
906qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
907{
908 u8 id;
7e8fd003 909 int ret;
2e9d722d 910 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 911 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 912
2e9d722d
AC		 913 ret = qlcnic_api_lock(adapter);
914 if (ret)
915 goto err_lock;
2e9d722d 916
7e8fd003
SS		 917 id = ahw->pci_func;
918 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
919 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
920 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 921 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 922 qlcnic_api_unlock(adapter);
923err_lock:
924 return ret;
925}
926
13159183
SC		 927static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
928 const struct pci_device_id *ent)
2e9d722d 929{
2e9d722d
AC		 930 u32 op_mode, priv_level;
931
932 /* Determine FW API version */
13159183
SC		 933 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
934 QLCNIC_FW_API);
2e9d722d
AC		 935
936 /* Find PCI function number */
13159183 937 qlcnic_get_func_no(adapter);
2e9d722d
AC		 938
939 /* Determine function privilege level */
13159183 940 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 941 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 942 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 943 else
b1fc6d3c 944 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 945
0866d96d 946 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 947 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 948 dev_info(&adapter->pdev->dev,
949 "HAL Version: %d Non Privileged function\n",
79788450 950 adapter->ahw->fw_hal_version);
9f26f547 951 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 952 } else
953 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 954}
955
15087c2b 956#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 957#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 958static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
959{
960 switch (dev_id) {
961 case PCI_DEVICE_ID_QLOGIC_QLE824X:
962 *bar = QLCNIC_82XX_BAR0_LENGTH;
963 break;
13159183 964 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 965 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 966 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 967 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 968 *bar = QLCNIC_83XX_BAR0_LENGTH;
969 break;
15087c2b
SC		 970 default:
971 *bar = 0;
972 }
973}
974
975static int qlcnic_setup_pci_map(struct pci_dev *pdev,
976 struct qlcnic_hardware_context *ahw)
af19b491 977{
15087c2b 978 u32 offset;
af19b491 979 void __iomem *mem_ptr0 = NULL;
15087c2b 980 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 981
af19b491 982 /* remap phys address */
af19b491
AKS		 983 mem_len = pci_resource_len(pdev, 0);
984
15087c2b
SC		 985 qlcnic_get_bar_length(pdev->device, &bar0_len);
986 if (mem_len >= bar0_len) {
af19b491
AKS		 987
988 mem_ptr0 = pci_ioremap_bar(pdev, 0);
989 if (mem_ptr0 == NULL) {
990 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
991 return -EIO;
992 }
993 pci_len0 = mem_len;
994 } else {
995 return -EIO;
996 }
997
f8468331 998 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 999
15087c2b
SC		 1000 ahw->pci_base0 = mem_ptr0;
1001 ahw->pci_len0 = pci_len0;
1002 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1003 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1004
1005 return 0;
1006}
1007
60dcbcb0
MC		 1008static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1009 int index)
2343f06a
MC		 1010{
1011 struct pci_dev *pdev = adapter->pdev;
1012 unsigned short subsystem_vendor;
1013 bool ret = true;
1014
1015 subsystem_vendor = pdev->subsystem_vendor;
1016
1017 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1018 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1019 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1020 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1021 ret = true;
1022 else
1023 ret = false;
1024 }
1025
1026 return ret;
1027}
1028
22999798 1029static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1030{
1031 struct pci_dev *pdev = adapter->pdev;
1032 int i, found = 0;
1033
1034 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1035 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1036 qlcnic_boards[i].device == pdev->device &&
1037 qlcnic_validate_subsystem_id(adapter, i)) {
1038 found = 1;
1039 break;
af19b491 1040 }
af19b491
AKS		 1041 }
1042
1043 if (!found)
7f9a0c34 1044 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1045 else
1046 sprintf(name, "%pM: %s" , adapter->mac_addr,
1047 qlcnic_boards[i].short_name);
af19b491
AKS		 1048}
1049
1050static void
1051qlcnic_check_options(struct qlcnic_adapter *adapter)
1052{
a15ebd37 1053 int err;
031a4a26 1054 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1055 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1056 struct qlcnic_hardware_context *ahw = adapter->ahw;
1057 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1058
1059 prev_fw_version = adapter->fw_version;
af19b491 1060
a15ebd37
HM		 1061 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1062 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1063 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1064
1065 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1066
a15ebd37
HM		 1067 err = qlcnic_get_board_info(adapter);
1068 if (err) {
1069 dev_err(&pdev->dev, "Error getting board config info.\n");
1070 return;
1071 }
1072 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1073 if (fw_dump->tmpl_hdr == NULL ||
1074 adapter->fw_version > prev_fw_version) {
1075 if (fw_dump->tmpl_hdr)
1076 vfree(fw_dump->tmpl_hdr);
1077 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1078 dev_info(&pdev->dev,
1079 "Supports FW dump capability\n");
1080 }
1081 }
1082
13159183
SC		 1083 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1084 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1085
b1fc6d3c 1086 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1087 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1088 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1089 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1090 } else {
1091 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1092 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1093 }
1094
af19b491 1095 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1096 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1097
b1fc6d3c 1098 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1099 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1100 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1101 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1102 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1103 }
1104
099f7aa7 1105 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1106
1107 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1108
251b036a 1109 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1110}
1111
174240a8
RB		 1112static int
1113qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1114{
174240a8 1115 struct qlcnic_info nic_info;
4bd8e738 1116 int err = 0;
174240a8 1117
bff57d8e 1118 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1119 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1120 if (err)
1121 return err;
1122
79788450
SC		 1123 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1124 adapter->ahw->switch_mode = nic_info.switch_mode;
1125 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1126 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1127 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1128
1129 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1130 u32 temp;
4bd8e738
HM		 1131 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1132 if (err == -EIO)
1133 return err;
db131786 1134 adapter->ahw->extra_capability[0] = temp;
776e7bde 1135 }
79788450
SC		 1136 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1137 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1138
13159183
SC		 1139 /* Disable NPAR for 83XX */
1140 if (qlcnic_83xx_check(adapter))
1141 return err;
1142
79788450 1143 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 1144 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1145 else
1146 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1147
1148 return err;
1149}
1150
ec079a07
SC		 1151void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1152 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1153{
1154 if (esw_cfg->discard_tagged)
1155 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1156 else
1157 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1158
91b7282b
RB		 1159 if (esw_cfg->vlan_id) {
1160 adapter->rx_pvid = esw_cfg->vlan_id;
1161 adapter->tx_pvid = esw_cfg->vlan_id;
1162 } else {
1163 adapter->rx_pvid = 0;
1164 adapter->tx_pvid = 0;
1165 }
8cf61f89
AKS		 1166}
1167
8e586137 1168static int
80d5c368 1169qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1170{
1171 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1172 int err;
1173
1174 if (qlcnic_sriov_vf_check(adapter)) {
1175 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1176 if (err) {
1177 netdev_err(netdev,
1178 "Cannot add VLAN filter for VLAN id %d, err=%d",
1179 vid, err);
1180 return err;
1181 }
1182 }
1183
b9796a14 1184 set_bit(vid, adapter->vlans);
8e586137 1185 return 0;
b9796a14
AC		 1186}
1187
8e586137 1188static int
80d5c368 1189qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1190{
1191 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1192 int err;
1193
1194 if (qlcnic_sriov_vf_check(adapter)) {
1195 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1196 if (err) {
1197 netdev_err(netdev,
1198 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1199 vid, err);
1200 return err;
1201 }
1202 }
b9796a14
AC		 1203
1204 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1205 clear_bit(vid, adapter->vlans);
8e586137 1206 return 0;
b9796a14
AC		 1207}
1208
ec079a07
SC		 1209void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1210 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1211{
ee07c1a7
RB		 1212 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1213 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1214
1215 if (esw_cfg->mac_anti_spoof)
1216 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1217
7373373d
RB		 1218 if (!esw_cfg->mac_override)
1219 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1220
ee07c1a7
RB		 1221 if (!esw_cfg->promisc_mode)
1222 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1223}
1224
d71170fb 1225int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1226{
1227 struct qlcnic_esw_func_cfg esw_cfg;
1228
1229 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1230 return 0;
1231
b1fc6d3c 1232 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1233 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1234 return -EIO;
8cf61f89 1235 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1236 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1237 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1238
1239 return 0;
1240}
1241
147a9088
SS		 1242void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1243 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1244{
1245 struct net_device *netdev = adapter->netdev;
13159183
SC		 1246
1247 if (qlcnic_83xx_check(adapter))
1248 return;
0325d69b 1249
147a9088
SS		 1250 adapter->offload_flags = esw_cfg->offload_flags;
1251 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1252 netdev_update_features(netdev);
1253 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1254}
1255
0866d96d
AC		 1256static int
1257qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1258{
0866d96d
AC		 1259 u32 op_mode, priv_level;
1260 int err = 0;
1261
174240a8
RB		 1262 err = qlcnic_initialize_nic(adapter);
1263 if (err)
1264 return err;
1265
0866d96d
AC		 1266 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1267 return 0;
1268
13159183 1269 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1270 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1271
1272 if (op_mode == QLC_DEV_DRV_DEFAULT)
1273 priv_level = QLCNIC_MGMT_FUNC;
1274 else
b1fc6d3c 1275 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1276
174240a8 1277 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1278 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1279 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1280 err = qlcnic_init_pci_info(adapter);
1281 if (err)
1282 return err;
1283 /* Set privilege level for other functions */
1284 qlcnic_set_function_modes(adapter);
1285 dev_info(&adapter->pdev->dev,
1286 "HAL Version: %d, Management function\n",
79788450 1287 adapter->ahw->fw_hal_version);
0866d96d 1288 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1289 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1290 dev_info(&adapter->pdev->dev,
1291 "HAL Version: %d, Privileged function\n",
79788450 1292 adapter->ahw->fw_hal_version);
0866d96d 1293 }
174240a8 1294 }
0866d96d
AC		 1295
1296 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1297
1298 return err;
1299}
1300
d71170fb 1301int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1302{
1303 struct qlcnic_esw_func_cfg esw_cfg;
1304 struct qlcnic_npar_info *npar;
1305 u8 i;
1306
174240a8 1307 if (adapter->need_fw_reset)
0325d69b
RB		 1308 return 0;
1309
bff57d8e 1310 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
35dafcb0
SC		 1311 if (!adapter->npars[i].eswitch_status)
1312 continue;
1313
0325d69b 1314 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1315 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1316 esw_cfg.mac_override = BIT_0;
ee07c1a7 1317 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1318 if (qlcnic_82xx_check(adapter)) {
1319 esw_cfg.offload_flags = BIT_0;
1320 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1321 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1322 }
0325d69b
RB		 1323 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1324 return -EIO;
1325 npar = &adapter->npars[i];
1326 npar->pvid = esw_cfg.vlan_id;
7373373d 1327 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1328 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1329 npar->discard_tagged = esw_cfg.discard_tagged;
1330 npar->promisc_mode = esw_cfg.promisc_mode;
1331 npar->offload_flags = esw_cfg.offload_flags;
1332 }
1333
1334 return 0;
1335}
1336
13159183 1337
4e8acb01
RB		 1338static int
1339qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1340 struct qlcnic_npar_info *npar, int pci_func)
1341{
1342 struct qlcnic_esw_func_cfg esw_cfg;
1343 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1344 esw_cfg.pci_func = pci_func;
1345 esw_cfg.vlan_id = npar->pvid;
7373373d 1346 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1347 esw_cfg.discard_tagged = npar->discard_tagged;
1348 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1349 esw_cfg.offload_flags = npar->offload_flags;
1350 esw_cfg.promisc_mode = npar->promisc_mode;
1351 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1352 return -EIO;
1353
1354 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1355 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1356 return -EIO;
1357
1358 return 0;
1359}
1360
d71170fb 1361int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1362{
4e8acb01 1363 int i, err;
cea8975e
AC		 1364 struct qlcnic_npar_info *npar;
1365 struct qlcnic_info nic_info;
bff57d8e 1366 u8 pci_func;
cea8975e 1367
bff57d8e
SC		 1368 if (qlcnic_82xx_check(adapter))
1369 if (!adapter->need_fw_reset)
1370 return 0;
cea8975e 1371
4e8acb01 1372 /* Set the NPAR config data after FW reset */
bff57d8e 1373 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1374 npar = &adapter->npars[i];
bff57d8e 1375 pci_func = npar->pci_func;
35dafcb0
SC		 1376 if (!adapter->npars[i].eswitch_status)
1377 continue;
1378
bff57d8e 1379 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1380 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1381 if (err)
1382 return err;
1383 nic_info.min_tx_bw = npar->min_bw;
1384 nic_info.max_tx_bw = npar->max_bw;
1385 err = qlcnic_set_nic_info(adapter, &nic_info);
1386 if (err)
1387 return err;
cea8975e 1388
4e8acb01
RB		 1389 if (npar->enable_pm) {
1390 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1391 npar->dest_npar, 1,
1392 pci_func);
4e8acb01
RB		 1393 if (err)
1394 return err;
cea8975e 1395 }
bff57d8e 1396 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1397 if (err)
1398 return err;
cea8975e 1399 }
4e8acb01 1400 return 0;
cea8975e
AC		 1401}
1402
78f84e1a
AKS		 1403static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1404{
1405 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1406 u32 npar_state;
1407
79788450 1408 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1409 return 0;
1410
a15ebd37
HM		 1411 npar_state = QLC_SHARED_REG_RD32(adapter,
1412 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1413 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1414 msleep(1000);
a15ebd37
HM		 1415 npar_state = QLC_SHARED_REG_RD32(adapter,
1416 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1417 }
1418 if (!npar_opt_timeo) {
1419 dev_err(&adapter->pdev->dev,
8a168ca7 1420 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1421 return -EIO;
1422 }
1423 return 0;
1424}
1425
174240a8
RB		 1426static int
1427qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1428{
1429 int err;
1430
1431 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1432 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1433 return 0;
1434
1435 err = qlcnic_set_default_offload_settings(adapter);
1436 if (err)
1437 return err;
1438
1439 err = qlcnic_reset_npar_config(adapter);
1440 if (err)
1441 return err;
1442
1443 qlcnic_dev_set_npar_ready(adapter);
1444
1445 return err;
1446}
1447
7e2cf4fe 1448int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1449{
d4066833 1450 int err;
af19b491 1451
aa5e18c0
SC		 1452 err = qlcnic_can_start_firmware(adapter);
1453 if (err < 0)
1454 return err;
1455 else if (!err)
d4066833 1456 goto check_fw_status;
af19b491 1457
099f7aa7 1458 if (qlcnic_load_fw_file)
4d5bdb38 1459 qlcnic_request_firmware(adapter);
8f891387 1460 else {
8cfdce08
SC		 1461 err = qlcnic_check_flash_fw_ver(adapter);
1462 if (err)
8f891387 1463 goto err_out;
1464
79788450 1465 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1466 }
af19b491
AKS		 1467
1468 err = qlcnic_need_fw_reset(adapter);
af19b491 1469 if (err == 0)
4e70812b 1470 goto check_fw_status;
af19b491 1471
d4066833
SC		 1472 err = qlcnic_pinit_from_rom(adapter);
1473 if (err)
1474 goto err_out;
af19b491
AKS		 1475
1476 err = qlcnic_load_firmware(adapter);
1477 if (err)
1478 goto err_out;
1479
1480 qlcnic_release_firmware(adapter);
d4066833 1481 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1482
d4066833
SC		 1483check_fw_status:
1484 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1485 if (err)
1486 goto err_out;
1487
a15ebd37 1488 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1489 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1490 err = qlcnic_check_eswitch_mode(adapter);
1491 if (err) {
1492 dev_err(&adapter->pdev->dev,
1493 "Memory allocation failed for eswitch\n");
1494 goto err_out;
1495 }
174240a8
RB		 1496 err = qlcnic_set_mgmt_operations(adapter);
1497 if (err)
1498 goto err_out;
1499
1500 qlcnic_check_options(adapter);
af19b491
AKS		 1501 adapter->need_fw_reset = 0;
1502
a7fc948f
AKS		 1503 qlcnic_release_firmware(adapter);
1504 return 0;
af19b491
AKS		 1505
1506err_out:
a15ebd37 1507 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1508 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1509
af19b491
AKS		 1510 qlcnic_release_firmware(adapter);
1511 return err;
1512}
1513
1514static int
1515qlcnic_request_irq(struct qlcnic_adapter *adapter)
1516{
1517 irq_handler_t handler;
1518 struct qlcnic_host_sds_ring *sds_ring;
13159183 1519 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1520 int err, ring, num_sds_rings;
af19b491
AKS		 1521
1522 unsigned long flags = 0;
1523 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1524 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1525
79788450 1526 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1527 if (qlcnic_82xx_check(adapter))
1528 handler = qlcnic_tmp_intr;
c2534384
MC		 1529 else
1530 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1531 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1532 flags |= IRQF_SHARED;
1533
1534 } else {
1535 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1536 handler = qlcnic_msix_intr;
1537 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1538 handler = qlcnic_msi_intr;
1539 else {
1540 flags |= IRQF_SHARED;
ac166700
HM		 1541 if (qlcnic_82xx_check(adapter))
1542 handler = qlcnic_intr;
1543 else
1544 handler = qlcnic_83xx_intr;
7eb9855d 1545 }
af19b491
AKS		 1546 }
1547 adapter->irq = netdev->irq;
1548
13159183 1549 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1550 if (qlcnic_82xx_check(adapter) ||
1551 (qlcnic_83xx_check(adapter) &&
1552 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1553 num_sds_rings = adapter->max_sds_rings;
1554 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1555 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1556 if (qlcnic_82xx_check(adapter) &&
012ec812 1557 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1558 (ring == (num_sds_rings - 1))) {
1559 if (!(adapter->flags &
1560 QLCNIC_MSIX_ENABLED))
1561 snprintf(sds_ring->name,
1562 sizeof(sds_ring->name),
1563 "qlcnic");
1564 else
1565 snprintf(sds_ring->name,
1566 sizeof(sds_ring->name),
1567 "%s-tx-0-rx-%d",
1568 netdev->name, ring);
1569 } else {
ddb2e174
HM		 1570 snprintf(sds_ring->name,
1571 sizeof(sds_ring->name),
aa2a8034 1572 "%s-rx-%d",
ddb2e174 1573 netdev->name, ring);
aa2a8034 1574 }
ac166700
HM		 1575 err = request_irq(sds_ring->irq, handler, flags,
1576 sds_ring->name, sds_ring);
1577 if (err)
1578 return err;
1579 }
13159183 1580 }
012ec812
HM		 1581 if ((qlcnic_82xx_check(adapter) &&
1582 qlcnic_check_multi_tx(adapter)) ||
1583 (qlcnic_83xx_check(adapter) &&
1584 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1585 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183
SC		 1586 handler = qlcnic_msix_tx_intr;
1587 for (ring = 0; ring < adapter->max_drv_tx_rings;
1588 ring++) {
1589 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1590 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1591 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1592 err = request_irq(tx_ring->irq, handler, flags,
1593 tx_ring->name, tx_ring);
1594 if (err)
1595 return err;
1596 }
1597 }
af19b491 1598 }
af19b491
AKS		 1599 return 0;
1600}
1601
1602static void
1603qlcnic_free_irq(struct qlcnic_adapter *adapter)
1604{
1605 int ring;
1606 struct qlcnic_host_sds_ring *sds_ring;
13159183 1607 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1608
b1fc6d3c 1609 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1610
13159183 1611 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1612 if (qlcnic_82xx_check(adapter) ||
1613 (qlcnic_83xx_check(adapter) &&
1614 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1615 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1616 sds_ring = &recv_ctx->sds_rings[ring];
1617 free_irq(sds_ring->irq, sds_ring);
1618 }
13159183 1619 }
012ec812
HM		 1620 if ((qlcnic_83xx_check(adapter) &&
1621 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1622 (qlcnic_82xx_check(adapter) &&
1623 qlcnic_check_multi_tx(adapter))) {
13159183
SC		 1624 for (ring = 0; ring < adapter->max_drv_tx_rings;
1625 ring++) {
1626 tx_ring = &adapter->tx_ring[ring];
1627 if (tx_ring->irq)
1628 free_irq(tx_ring->irq, tx_ring);
1629 }
1630 }
af19b491
AKS		 1631 }
1632}
1633
99e85879
SS		 1634static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1635{
1636 u32 capab = 0;
1637
1638 if (qlcnic_82xx_check(adapter)) {
db131786 1639 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1640 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1641 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1642 } else {
1643 capab = adapter->ahw->capabilities;
1644 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1645 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1646 }
1647}
1648
319ecf12 1649int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1650{
8a15ad1f
AKS		 1651 int ring;
1652 struct qlcnic_host_rds_ring *rds_ring;
1653
af19b491
AKS		 1654 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1655 return -EIO;
1656
8a15ad1f
AKS		 1657 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1658 return 0;
012ec812 1659
0325d69b
RB		 1660 if (qlcnic_set_eswitch_port_config(adapter))
1661 return -EIO;
012ec812 1662
99e85879 1663 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1664
8a15ad1f
AKS		 1665 if (qlcnic_fw_create_ctx(adapter))
1666 return -EIO;
1667
1668 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1669 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1670 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1671 }
1672
af19b491
AKS		 1673 qlcnic_set_multi(netdev);
1674 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1675
b1fc6d3c 1676 adapter->ahw->linkup = 0;
af19b491
AKS		 1677
1678 if (adapter->max_sds_rings > 1)
1679 qlcnic_config_rss(adapter, 1);
1680
1681 qlcnic_config_intr_coalesce(adapter);
1682
24763d80 1683 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1684 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1685
cfacb172 1686 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1687 qlcnic_napi_enable(adapter);
1688
1689 qlcnic_linkevent_request(adapter, 1);
1690
79788450 1691 adapter->ahw->reset_context = 0;
af19b491
AKS		 1692 return 0;
1693}
1694
629263ac 1695int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1696{
1697 int err = 0;
1698
1699 rtnl_lock();
1700 if (netif_running(netdev))
1701 err = __qlcnic_up(adapter, netdev);
1702 rtnl_unlock();
1703
1704 return err;
1705}
1706
319ecf12 1707void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1708{
012ec812
HM		 1709 int ring;
1710
af19b491
AKS		 1711 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1712 return;
1713
1714 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1715 return;
1716
e8b508ef
RB		 1717 if (qlcnic_sriov_vf_check(adapter))
1718 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1719 smp_mb();
af19b491 1720 netif_carrier_off(netdev);
0a46bac0 1721 adapter->ahw->linkup = 0;
af19b491
AKS		 1722 netif_tx_disable(netdev);
1723
1724 qlcnic_free_mac_list(adapter);
1725
b5e5492c
AKS		 1726 if (adapter->fhash.fnum)
1727 qlcnic_delete_lb_filters(adapter);
1728
af19b491
AKS		 1729 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1730
1731 qlcnic_napi_disable(adapter);
1732
8a15ad1f 1733 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1734 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1735
1736 qlcnic_reset_rx_buffers_list(adapter);
012ec812
HM		 1737
1738 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1739 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1740}
1741
1742/* Usage: During suspend and firmware recovery module */
1743
629263ac 1744void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1745{
1746 rtnl_lock();
1747 if (netif_running(netdev))
1748 __qlcnic_down(adapter, netdev);
1749 rtnl_unlock();
1750
1751}
1752
319ecf12 1753int
af19b491
AKS		 1754qlcnic_attach(struct qlcnic_adapter *adapter)
1755{
1756 struct net_device *netdev = adapter->netdev;
1757 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1758 int err;
af19b491
AKS		 1759
1760 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1761 return 0;
1762
af19b491
AKS		 1763 err = qlcnic_napi_add(adapter, netdev);
1764 if (err)
1765 return err;
1766
1767 err = qlcnic_alloc_sw_resources(adapter);
1768 if (err) {
1769 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1770 goto err_out_napi_del;
af19b491
AKS		 1771 }
1772
1773 err = qlcnic_alloc_hw_resources(adapter);
1774 if (err) {
1775 dev_err(&pdev->dev, "Error in setting hw resources\n");
1776 goto err_out_free_sw;
1777 }
1778
af19b491
AKS		 1779 err = qlcnic_request_irq(adapter);
1780 if (err) {
1781 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1782 goto err_out_free_hw;
af19b491
AKS		 1783 }
1784
af19b491
AKS		 1785 qlcnic_create_sysfs_entries(adapter);
1786
1787 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1788 return 0;
1789
8a15ad1f 1790err_out_free_hw:
af19b491
AKS		 1791 qlcnic_free_hw_resources(adapter);
1792err_out_free_sw:
1793 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1794err_out_napi_del:
1795 qlcnic_napi_del(adapter);
af19b491
AKS		 1796 return err;
1797}
1798
319ecf12 1799void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1800{
1801 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1802 return;
1803
1804 qlcnic_remove_sysfs_entries(adapter);
1805
1806 qlcnic_free_hw_resources(adapter);
1807 qlcnic_release_rx_buffers(adapter);
1808 qlcnic_free_irq(adapter);
1809 qlcnic_napi_del(adapter);
1810 qlcnic_free_sw_resources(adapter);
1811
1812 adapter->is_up = 0;
1813}
1814
7eb9855d
AKS		 1815void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1816{
1817 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1818 struct qlcnic_host_sds_ring *sds_ring;
c2c5e3a0 1819 int max_tx_rings = adapter->max_drv_tx_rings;
7eb9855d
AKS		 1820 int ring;
1821
78ad3892 1822 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1823 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1824 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1825 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1826 qlcnic_disable_int(sds_ring);
cdaff185 1827 }
7eb9855d
AKS		 1828 }
1829
8a15ad1f
AKS		 1830 qlcnic_fw_destroy_ctx(adapter);
1831
7eb9855d
AKS		 1832 qlcnic_detach(adapter);
1833
79788450 1834 adapter->ahw->diag_test = 0;
7eb9855d 1835 adapter->max_sds_rings = max_sds_rings;
c2c5e3a0 1836 adapter->max_drv_tx_rings = max_tx_rings;
7eb9855d
AKS		 1837
1838 if (qlcnic_attach(adapter))
34ce3626 1839 goto out;
7eb9855d
AKS		 1840
1841 if (netif_running(netdev))
1842 __qlcnic_up(adapter, netdev);
34ce3626 1843out:
7eb9855d
AKS		 1844 netif_device_attach(netdev);
1845}
1846
b1fc6d3c
AC		 1847static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1848{
be273dc1 1849 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1850 int err = 0;
be273dc1 1851
b1fc6d3c
AC		 1852 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1853 GFP_KERNEL);
1854 if (!adapter->recv_ctx) {
b1fc6d3c 1855 err = -ENOMEM;
8816d009 1856 goto err_out;
b1fc6d3c 1857 }
8816d009 1858 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1859 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1860 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1861 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1862 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1863 if (qlcnic_83xx_check(adapter)) {
1864 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1865 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1866 }
4be41e92
SC		 1867 /* clear stats */
1868 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1869err_out:
1870 return err;
1871}
1872
1873static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1874{
1875 kfree(adapter->recv_ctx);
1876 adapter->recv_ctx = NULL;
1877
18f2f616
AC		 1878 if (adapter->ahw->fw_dump.tmpl_hdr) {
1879 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1880 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1881 }
4be41e92 1882
81d0aeb0 1883 kfree(adapter->ahw->reset.buff);
4be41e92 1884 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1885}
1886
7eb9855d
AKS		 1887int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1888{
1889 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1890 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1891 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1892 int ring;
1893 int ret;
1894
1895 netif_device_detach(netdev);
1896
1897 if (netif_running(netdev))
1898 __qlcnic_down(adapter, netdev);
1899
1900 qlcnic_detach(adapter);
1901
1902 adapter->max_sds_rings = 1;
79788450 1903 adapter->ahw->diag_test = test;
4be41e92 1904 adapter->ahw->linkup = 0;
c2c5e3a0 1905 adapter->max_drv_tx_rings = 1;
7eb9855d
AKS		 1906
1907 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1908 if (ret) {
1909 netif_device_attach(netdev);
7eb9855d 1910 return ret;
34ce3626 1911 }
7eb9855d 1912
8a15ad1f
AKS		 1913 ret = qlcnic_fw_create_ctx(adapter);
1914 if (ret) {
1915 qlcnic_detach(adapter);
57e46248 1916 netif_device_attach(netdev);
8a15ad1f
AKS		 1917 return ret;
1918 }
1919
1920 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1921 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1922 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1923 }
1924
79788450 1925 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1926 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1927 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1928 qlcnic_enable_int(sds_ring);
cdaff185 1929 }
7eb9855d 1930 }
22c8c934 1931
79788450 1932 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1933 adapter->ahw->loopback_state = 0;
1934 qlcnic_linkevent_request(adapter, 1);
1935 }
1936
78ad3892 1937 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1938
1939 return 0;
1940}
1941
68bf1c68
AKS		 1942/* Reset context in hardware only */
1943static int
1944qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1945{
1946 struct net_device *netdev = adapter->netdev;
1947
1948 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1949 return -EBUSY;
1950
1951 netif_device_detach(netdev);
1952
1953 qlcnic_down(adapter, netdev);
1954
1955 qlcnic_up(adapter, netdev);
1956
1957 netif_device_attach(netdev);
1958
1959 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1960 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1961 return 0;
1962}
1963
af19b491
AKS		 1964int
1965qlcnic_reset_context(struct qlcnic_adapter *adapter)
1966{
1967 int err = 0;
1968 struct net_device *netdev = adapter->netdev;
1969
1970 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1971 return -EBUSY;
1972
1973 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1974
1975 netif_device_detach(netdev);
1976
1977 if (netif_running(netdev))
1978 __qlcnic_down(adapter, netdev);
1979
1980 qlcnic_detach(adapter);
1981
1982 if (netif_running(netdev)) {
1983 err = qlcnic_attach(adapter);
1d5c88e3 1984 if (!err) {
34ce3626 1985 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1986 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1987 }
af19b491
AKS		 1988 }
1989
1990 netif_device_attach(netdev);
1991 }
1992
af19b491
AKS		 1993 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1994 return err;
1995}
1996
52e493d0
JK		 1997void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1998{
1999 struct qlcnic_hardware_context *ahw = adapter->ahw;
2000 u16 act_pci_fn = ahw->act_pci_func;
2001 u16 count;
2002
2003 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2004 if (act_pci_fn <= 2)
2005 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2006 act_pci_fn;
2007 else
2008 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2009 act_pci_fn;
2010 ahw->max_uc_count = count;
2011}
2012
f8468331 2013int
5ad6ff9d
SC		 2014qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2015 int pci_using_dac)
af19b491
AKS		 2016{
2017 int err;
2018 struct pci_dev *pdev = adapter->pdev;
2019
13159183 2020 adapter->rx_csum = 1;
79788450 2021 adapter->ahw->mc_enabled = 0;
52e493d0 2022 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2023
2024 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2025 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2026
2027 qlcnic_change_mtu(netdev, netdev->mtu);
2028
d1a1105e
RB		 2029 if (qlcnic_sriov_vf_check(adapter))
2030 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2031 else
2032 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 2033
7e38d04b 2034 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2035 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2036 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2037 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2038 NETIF_F_IPV6_CSUM);
ac8d0c4f 2039
13159183
SC		 2040 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2041 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2042 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2043 }
af19b491 2044
13159183
SC		 2045 if (pci_using_dac) {
2046 netdev->features |= NETIF_F_HIGHDMA;
2047 netdev->vlan_features |= NETIF_F_HIGHDMA;
2048 }
af19b491 2049
13159183 2050 if (qlcnic_vlan_tx_check(adapter))
f646968f 2051 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2052
91b7282b
RB		 2053 if (qlcnic_sriov_vf_check(adapter))
2054 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2055
13159183
SC		 2056 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2057 netdev->features |= NETIF_F_LRO;
135d84a9 2058
7e38d04b 2059 netdev->hw_features = netdev->features;
52e493d0 2060 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2061 netdev->irq = adapter->msix_entries[0].vector;
2062
aa4a1f7d
HM		 2063 err = qlcnic_set_real_num_queues(adapter, netdev);
2064 if (err)
2065 return err;
012ec812 2066
af19b491
AKS		 2067 err = register_netdev(netdev);
2068 if (err) {
2069 dev_err(&pdev->dev, "failed to register net device\n");
2070 return err;
2071 }
2072
48365e48
SC		 2073 qlcnic_dcb_init_dcbnl_ops(adapter);
2074
af19b491
AKS		 2075 return 0;
2076}
2077
5ad6ff9d 2078static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2079{
2080 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2081 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2082 *pci_using_dac = 1;
2083 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2084 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2085 *pci_using_dac = 0;
2086 else {
2087 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2088 return -EIO;
2089 }
2090
2091 return 0;
2092}
2093
4be41e92
SC		 2094void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2095{
2096 int ring;
2097 struct qlcnic_host_tx_ring *tx_ring;
2098
2099 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2100 tx_ring = &adapter->tx_ring[ring];
2101 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2102 vfree(tx_ring->cmd_buf_arr);
2103 tx_ring->cmd_buf_arr = NULL;
2104 }
2105 }
2106 if (adapter->tx_ring != NULL)
2107 kfree(adapter->tx_ring);
2108}
2109
2110int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2111 struct net_device *netdev)
2112{
b2adaca9 2113 int ring, vector, index;
4be41e92
SC		 2114 struct qlcnic_host_tx_ring *tx_ring;
2115 struct qlcnic_cmd_buffer *cmd_buf_arr;
2116
b2adaca9
JP		 2117 tx_ring = kcalloc(adapter->max_drv_tx_rings,
2118 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2119 if (tx_ring == NULL)
4be41e92 2120 return -ENOMEM;
b2adaca9 2121
4be41e92
SC		 2122 adapter->tx_ring = tx_ring;
2123
2124 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2125 tx_ring = &adapter->tx_ring[ring];
2126 tx_ring->num_desc = adapter->num_txd;
2127 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2128 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2129 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2130 qlcnic_free_tx_rings(adapter);
2131 return -ENOMEM;
2132 }
2133 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2134 tx_ring->cmd_buf_arr = cmd_buf_arr;
2135 }
2136
012ec812
HM		 2137 if (qlcnic_83xx_check(adapter) ||
2138 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
4be41e92
SC		 2139 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2140 tx_ring = &adapter->tx_ring[ring];
2141 tx_ring->adapter = adapter;
2142 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2143 index = adapter->max_sds_rings + ring;
2144 vector = adapter->msix_entries[index].vector;
2145 tx_ring->irq = vector;
2146 }
2147 }
2148 }
012ec812 2149
4be41e92
SC		 2150 return 0;
2151}
2152
8af3f33d
PP		 2153void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2154{
2155 struct qlcnic_hardware_context *ahw = adapter->ahw;
2156 u32 fw_cmd = 0;
2157
2158 if (qlcnic_82xx_check(adapter))
2159 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2160 else if (qlcnic_83xx_check(adapter))
2161 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2162
2163 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2164 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2165 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2166}
2167
14d385b9
SC		 2168static int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
2169{
2170 return __qlcnic_register_dcb(adapter);
2171}
2172
2173void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter)
2174{
2175 kfree(adapter->dcb);
2176 adapter->dcb = NULL;
2177}
2178
6bb58bb0 2179static int
af19b491
AKS		 2180qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2181{
2182 struct net_device *netdev = NULL;
2183 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2184 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2185 int err, pci_using_dac = -1;
7bc48646 2186 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2187
f8468331
RB		 2188 if (pdev->is_virtfn)
2189 return -ENODEV;
2190
af19b491
AKS		 2191 err = pci_enable_device(pdev);
2192 if (err)
2193 return err;
2194
2195 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2196 err = -ENODEV;
2197 goto err_out_disable_pdev;
2198 }
2199
1bb09fb9
AKS		 2200 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2201 if (err)
2202 goto err_out_disable_pdev;
2203
af19b491
AKS		 2204 err = pci_request_regions(pdev, qlcnic_driver_name);
2205 if (err)
2206 goto err_out_disable_pdev;
2207
2208 pci_set_master(pdev);
451724c8 2209 pci_enable_pcie_error_reporting(pdev);
af19b491 2210
7e2cf4fe 2211 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2212 if (!ahw) {
2213 err = -ENOMEM;
7e2cf4fe 2214 goto err_out_free_res;
02135582 2215 }
7e2cf4fe 2216
f8468331
RB		 2217 switch (ent->device) {
2218 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2219 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2220 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2221 break;
2222 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2223 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2224 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2225 break;
2226 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2227 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2228 qlcnic_sriov_vf_register_map(ahw);
2229 break;
2230 default:
13159183 2231 goto err_out_free_hw_res;
7e2cf4fe
SC		 2232 }
2233
2234 err = qlcnic_setup_pci_map(pdev, ahw);
2235 if (err)
2236 goto err_out_free_hw_res;
2237
012ec812
HM		 2238 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2239 QLCNIC_MAX_TX_RINGS);
af19b491 2240 if (!netdev) {
af19b491 2241 err = -ENOMEM;
7e2cf4fe 2242 goto err_out_iounmap;
af19b491
AKS		 2243 }
2244
2245 SET_NETDEV_DEV(netdev, &pdev->dev);
2246
2247 adapter = netdev_priv(netdev);
2248 adapter->netdev = netdev;
2249 adapter->pdev = pdev;
13159183
SC		 2250 adapter->ahw = ahw;
2251
2252 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2253 if (adapter->qlcnic_wq == NULL) {
02135582 2254 err = -ENOMEM;
13159183
SC		 2255 dev_err(&pdev->dev, "Failed to create workqueue\n");
2256 goto err_out_free_netdev;
2257 }
af19b491 2258
2dfc9671
PST		 2259 err = qlcnic_alloc_adapter_resources(adapter);
2260 if (err)
2b1f18a4 2261 goto err_out_free_wq;
b1fc6d3c
AC		 2262
2263 adapter->dev_rst_time = jiffies;
7e2cf4fe 2264 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2265 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2266 adapter->fdb_mac_learn = true;
2267 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2268 adapter->drv_mac_learn = true;
af19b491 2269
b1fc6d3c
AC		 2270 rwlock_init(&adapter->ahw->crb_lock);
2271 mutex_init(&adapter->ahw->mem_lock);
af19b491 2272
af19b491
AKS		 2273 INIT_LIST_HEAD(&adapter->mac_list);
2274
14d385b9
SC		 2275 qlcnic_register_dcb(adapter);
2276
7e2cf4fe 2277 if (qlcnic_82xx_check(adapter)) {
13159183 2278 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2279 adapter->portnum = adapter->ahw->pci_func;
2280 err = qlcnic_start_firmware(adapter);
2281 if (err) {
66451615
SC		 2282 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2283 "\t\tIf reboot doesn't help, try flashing the card\n");
2284 goto err_out_maintenance_mode;
7e2cf4fe 2285 }
af19b491 2286
012ec812
HM		 2287 qlcnic_get_multiq_capability(adapter);
2288
2289 if ((adapter->ahw->act_pci_func > 2) &&
2290 qlcnic_check_multi_tx(adapter)) {
2291 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2292 dev_info(&adapter->pdev->dev,
2293 "vNIC mode enabled, Set max TX rings = %d\n",
2294 adapter->max_drv_tx_rings);
2295 }
2296
2297 if (!qlcnic_check_multi_tx(adapter)) {
2298 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2299 adapter->max_drv_tx_rings = 1;
2300 }
7e2cf4fe
SC		 2301 err = qlcnic_setup_idc_param(adapter);
2302 if (err)
2303 goto err_out_free_hw;
b0044bcf 2304
7e2cf4fe 2305 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9
SC		 2306
2307 if (adapter->dcb && qlcnic_dcb_attach(adapter))
2308 qlcnic_clear_dcb_ops(adapter);
2309
13159183 2310 } else if (qlcnic_83xx_check(adapter)) {
012ec812 2311 adapter->max_drv_tx_rings = 1;
13159183
SC		 2312 qlcnic_83xx_check_vf(adapter, ent);
2313 adapter->portnum = adapter->ahw->pci_func;
f8468331 2314 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2315 if (err) {
2316 dev_err(&pdev->dev, "%s: failed\n", __func__);
2317 goto err_out_free_hw;
2318 }
f8468331
RB		 2319 if (qlcnic_sriov_vf_check(adapter))
2320 return 0;
13159183
SC		 2321 } else {
2322 dev_err(&pdev->dev,
2323 "%s: failed. Please Reboot\n", __func__);
2324 goto err_out_free_hw;
a7fc948f 2325 }
af19b491 2326
da48e6c3
RB		 2327 if (qlcnic_read_mac_addr(adapter))
2328 dev_warn(&pdev->dev, "failed to read mac addr\n");
2329
07a251c8
SS		 2330 qlcnic_read_phys_port_id(adapter);
2331
da48e6c3 2332 if (adapter->portnum == 0) {
22999798 2333 qlcnic_get_board_name(adapter, board_name);
13159183 2334
da48e6c3 2335 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2336 module_name(THIS_MODULE),
2337 board_name, adapter->ahw->revision_id);
da48e6c3 2338 }
460374f7
HM		 2339
2340 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2341 !!qlcnic_use_msi)
2342 dev_warn(&pdev->dev,
01b91f4c 2343 "Device does not support MSI interrupts\n");
460374f7 2344
068a8d19 2345 if (qlcnic_82xx_check(adapter)) {
aa4a1f7d 2346 err = qlcnic_setup_intr(adapter, 0, 0);
068a8d19
MC		 2347 if (err) {
2348 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2349 goto err_out_disable_msi;
068a8d19 2350 }
13159183 2351 }
af19b491 2352
02135582
SC		 2353 err = qlcnic_get_act_pci_func(adapter);
2354 if (err)
2355 goto err_out_disable_mbx_intr;
2356
1bb09fb9 2357 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2358 if (err)
7e2cf4fe 2359 goto err_out_disable_mbx_intr;
af19b491 2360
24866d15
HM		 2361 if (adapter->portnum == 0)
2362 qlcnic_set_drv_version(adapter);
c84e340a 2363
af19b491
AKS		 2364 pci_set_drvdata(pdev, adapter);
2365
97ee45eb
SC		 2366 if (qlcnic_82xx_check(adapter))
2367 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2368 FW_POLL_DELAY);
af19b491 2369
b1fc6d3c 2370 switch (adapter->ahw->port_type) {
af19b491
AKS		 2371 case QLCNIC_GBE:
2372 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2373 adapter->netdev->name);
2374 break;
2375 case QLCNIC_XGBE:
2376 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2377 adapter->netdev->name);
2378 break;
2379 }
2380
fe1adc6b 2381 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2382 qlcnic_alloc_lb_filters_mem(adapter);
2383
7e2cf4fe 2384 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2385
2386 return 0;
2387
7e2cf4fe 2388err_out_disable_mbx_intr:
7dd90cf1 2389 if (qlcnic_83xx_check(adapter))
13159183 2390 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2391
af19b491
AKS		 2392err_out_disable_msi:
2393 qlcnic_teardown_intr(adapter);
7e2cf4fe 2394 qlcnic_cancel_idc_work(adapter);
21854f02 2395 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2396
b1fc6d3c
AC		 2397err_out_free_hw:
2398 qlcnic_free_adapter_resources(adapter);
2399
2b1f18a4
WY		 2400err_out_free_wq:
2401 destroy_workqueue(adapter->qlcnic_wq);
2402
af19b491
AKS		 2403err_out_free_netdev:
2404 free_netdev(netdev);
2405
7e2cf4fe 2406err_out_iounmap:
f1a094a8 2407 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2408
2409err_out_free_hw_res:
2410 kfree(ahw);
2411
af19b491
AKS		 2412err_out_free_res:
2413 pci_release_regions(pdev);
2414
2415err_out_disable_pdev:
2416 pci_set_drvdata(pdev, NULL);
2417 pci_disable_device(pdev);
2418 return err;
66451615
SC		 2419
2420err_out_maintenance_mode:
2421 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2422 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2423 err = register_netdev(netdev);
2424
2425 if (err) {
2426 dev_err(&pdev->dev, "Failed to register net device\n");
2427 qlcnic_clr_all_drv_state(adapter, 0);
2428 goto err_out_free_hw;
2429 }
2430
2431 pci_set_drvdata(pdev, adapter);
2432 qlcnic_add_sysfs(adapter);
2433
2434 return 0;
af19b491
AKS		 2435}
2436
6bb58bb0 2437static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2438{
2439 struct qlcnic_adapter *adapter;
2440 struct net_device *netdev;
13159183 2441 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2442
2443 adapter = pci_get_drvdata(pdev);
2444 if (adapter == NULL)
2445 return;
2446
2447 netdev = adapter->netdev;
02feda17 2448 qlcnic_sriov_pf_disable(adapter);
af19b491 2449
13159183
SC		 2450 qlcnic_cancel_idc_work(adapter);
2451 ahw = adapter->ahw;
af19b491 2452
14d385b9
SC		 2453 qlcnic_dcb_free(adapter);
2454
af19b491 2455 unregister_netdev(netdev);
02feda17 2456 qlcnic_sriov_cleanup(adapter);
af19b491 2457
13159183 2458 if (qlcnic_83xx_check(adapter)) {
3d73b5fd
JK		 2459 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2460 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2461 qlcnic_83xx_free_mbx_intr(adapter);
2462 qlcnic_83xx_detach_mailbox_work(adapter);
2463 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2464 kfree(ahw->fw_info);
13159183
SC		 2465 }
2466
af19b491
AKS		 2467 qlcnic_detach(adapter);
2468
2e9d722d
AC		 2469 if (adapter->npars != NULL)
2470 kfree(adapter->npars);
2471 if (adapter->eswitch != NULL)
2472 kfree(adapter->eswitch);
2473
97ee45eb
SC		 2474 if (qlcnic_82xx_check(adapter))
2475 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2476
2477 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2478
b5e5492c
AKS		 2479 qlcnic_free_lb_filters_mem(adapter);
2480
af19b491
AKS		 2481 qlcnic_teardown_intr(adapter);
2482
13159183 2483 qlcnic_remove_sysfs(adapter);
af19b491 2484
f1a094a8 2485 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2486
2487 qlcnic_release_firmware(adapter);
2488
451724c8 2489 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2490 pci_release_regions(pdev);
2491 pci_disable_device(pdev);
2492 pci_set_drvdata(pdev, NULL);
2493
13159183
SC		 2494 if (adapter->qlcnic_wq) {
2495 destroy_workqueue(adapter->qlcnic_wq);
2496 adapter->qlcnic_wq = NULL;
2497 }
14d385b9 2498
b1fc6d3c 2499 qlcnic_free_adapter_resources(adapter);
13159183 2500 kfree(ahw);
af19b491
AKS		 2501 free_netdev(netdev);
2502}
af19b491
AKS		 2503
2504static void qlcnic_shutdown(struct pci_dev *pdev)
2505{
2506 if (__qlcnic_shutdown(pdev))
2507 return;
2508
2509 pci_disable_device(pdev);
2510}
2511
2512#ifdef CONFIG_PM
486a5bc7 2513static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2514{
2515 int retval;
2516
2517 retval = __qlcnic_shutdown(pdev);
2518 if (retval)
2519 return retval;
2520
2521 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2522 return 0;
2523}
2524
486a5bc7 2525static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2526{
2527 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2528 int err;
2529
2530 err = pci_enable_device(pdev);
2531 if (err)
2532 return err;
2533
2534 pci_set_power_state(pdev, PCI_D0);
2535 pci_set_master(pdev);
2536 pci_restore_state(pdev);
2537
486a5bc7 2538 return __qlcnic_resume(adapter);
af19b491
AKS		 2539}
2540#endif
2541
2542static int qlcnic_open(struct net_device *netdev)
2543{
2544 struct qlcnic_adapter *adapter = netdev_priv(netdev);
66451615 2545 u32 state;
af19b491
AKS		 2546 int err;
2547
66451615
SC		 2548 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2549 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
2550 netdev_err(netdev, "%s: Device is in FAILED state\n", __func__);
2551
2552 return -EIO;
2553 }
2554
c55ad8e5
AKS		 2555 netif_carrier_off(netdev);
2556
af19b491
AKS		 2557 err = qlcnic_attach(adapter);
2558 if (err)
2559 return err;
2560
2561 err = __qlcnic_up(adapter, netdev);
2562 if (err)
2563 goto err_out;
2564
012ec812 2565 netif_tx_start_all_queues(netdev);
af19b491
AKS		 2566
2567 return 0;
2568
2569err_out:
2570 qlcnic_detach(adapter);
2571 return err;
2572}
2573
2574/*
2575 * qlcnic_close - Disables a network interface entry point
2576 */
2577static int qlcnic_close(struct net_device *netdev)
2578{
2579 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2580
2581 __qlcnic_down(adapter, netdev);
13159183 2582
af19b491
AKS		 2583 return 0;
2584}
2585
e5dcf6dc 2586void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2587{
2588 void *head;
2589 int i;
13159183
SC		 2590 struct net_device *netdev = adapter->netdev;
2591 u32 filter_size = 0;
2592 u16 act_pci_func = 0;
b5e5492c 2593
e5dcf6dc 2594 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2595 return;
2596
13159183 2597 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2598 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2599 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2600
13159183
SC		 2601 if (qlcnic_82xx_check(adapter)) {
2602 filter_size = QLCNIC_LB_MAX_FILTERS;
2603 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2604 } else {
2605 filter_size = QLC_83XX_LB_MAX_FILTERS;
2606 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2607 }
2608
2609 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2610 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2611
b5e5492c
AKS		 2612 if (!head)
2613 return;
2614
13159183 2615 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2616 adapter->fhash.fhead = head;
b5e5492c 2617
13159183
SC		 2618 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2619 act_pci_func, adapter->fhash.fmax);
2620
2621 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2622 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2623
2624 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2625
2626 head = kcalloc(adapter->rx_fhash.fbucket_size,
2627 sizeof(struct hlist_head), GFP_ATOMIC);
2628
2629 if (!head)
2630 return;
2631
2632 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2633 adapter->rx_fhash.fhead = head;
2634
2635 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2636 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2637}
2638
2639static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2640{
2641 if (adapter->fhash.fmax && adapter->fhash.fhead)
2642 kfree(adapter->fhash.fhead);
2643
2644 adapter->fhash.fhead = NULL;
2645 adapter->fhash.fmax = 0;
53643a75
SS		 2646
2647 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2648 kfree(adapter->rx_fhash.fhead);
2649
2650 adapter->rx_fhash.fmax = 0;
2651 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2652}
2653
629263ac 2654int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2655{
2656 struct net_device *netdev = adapter->netdev;
97ee45eb 2657 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2658 int rv = 0;
2659
13159183
SC		 2660 if (qlcnic_83xx_check(adapter))
2661 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2662
97ee45eb 2663 if (qlcnic_82xx_check(adapter))
a15ebd37 2664 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2665
2666 temp_state = qlcnic_get_temp_state(temp);
2667 temp_val = qlcnic_get_temp_val(temp);
2668
2669 if (temp_state == QLCNIC_TEMP_PANIC) {
2670 dev_err(&netdev->dev,
2671 "Device temperature %d degrees C exceeds"
2672 " maximum allowed. Hardware has been shut down.\n",
2673 temp_val);
2674 rv = 1;
2675 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2676 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2677 dev_err(&netdev->dev,
2678 "Device temperature %d degrees C "
2679 "exceeds operating range."
2680 " Immediate action needed.\n",
2681 temp_val);
2682 }
2683 } else {
79788450 2684 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2685 dev_info(&netdev->dev,
2686 "Device temperature is now %d degrees C"
2687 " in normal range.\n", temp_val);
2688 }
2689 }
79788450 2690 adapter->ahw->temp = temp_state;
af19b491
AKS		 2691 return rv;
2692}
2693
af19b491
AKS		 2694static void qlcnic_tx_timeout(struct net_device *netdev)
2695{
2696 struct qlcnic_adapter *adapter = netdev_priv(netdev);
012ec812
HM		 2697 struct qlcnic_host_tx_ring *tx_ring;
2698 int ring;
af19b491
AKS		 2699
2700 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2701 return;
2702
536faa61
SC		 2703 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2704 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2705 if (qlcnic_82xx_check(adapter))
2706 adapter->need_fw_reset = 1;
2707 else if (qlcnic_83xx_check(adapter))
2708 qlcnic_83xx_idc_request_reset(adapter,
2709 QLCNIC_FORCE_FW_DUMP_KEY);
2710 } else {
2711 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
012ec812
HM		 2712 if (qlcnic_82xx_check(adapter)) {
2713 for (ring = 0; ring < adapter->max_drv_tx_rings;
2714 ring++) {
2715 tx_ring = &adapter->tx_ring[ring];
2716 dev_info(&netdev->dev, "ring=%d\n", ring);
2717 dev_info(&netdev->dev, "crb_intr_mask=%d\n",
2718 readl(tx_ring->crb_intr_mask));
2719 dev_info(&netdev->dev, "producer=%d\n",
2720 readl(tx_ring->crb_cmd_producer));
2721 dev_info(&netdev->dev, "sw_consumer = %d\n",
2722 tx_ring->sw_consumer);
2723 dev_info(&netdev->dev, "hw_consumer = %d\n",
2724 le32_to_cpu(*(tx_ring->hw_consumer)));
2725 dev_info(&netdev->dev, "xmit-on=%llu\n",
2726 tx_ring->xmit_on);
2727 dev_info(&netdev->dev, "xmit-off=%llu\n",
2728 tx_ring->xmit_off);
2729 }
2730 }
79788450 2731 adapter->ahw->reset_context = 1;
536faa61 2732 }
af19b491
AKS		 2733}
2734
2735static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2736{
2737 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2738 struct net_device_stats *stats = &netdev->stats;
2739
af19b491
AKS		 2740 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2741 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2742 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2743 stats->tx_bytes = adapter->stats.txbytes;
2744 stats->rx_dropped = adapter->stats.rxdropped;
2745 stats->tx_dropped = adapter->stats.txdropped;
2746
2747 return stats;
2748}
2749
7e2cf4fe 2750irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2751{
af19b491
AKS		 2752 u32 status;
2753
2754 status = readl(adapter->isr_int_vec);
2755
79788450 2756 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2757 return IRQ_NONE;
2758
2759 /* check interrupt state machine, to be sure */
2760 status = readl(adapter->crb_int_state_reg);
2761 if (!ISR_LEGACY_INT_TRIGGERED(status))
2762 return IRQ_NONE;
2763
2764 writel(0xffffffff, adapter->tgt_status_reg);
2765 /* read twice to ensure write is flushed */
2766 readl(adapter->isr_int_vec);
2767 readl(adapter->isr_int_vec);
2768
7eb9855d
AKS		 2769 return IRQ_HANDLED;
2770}
2771
2772static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2773{
2774 struct qlcnic_host_sds_ring *sds_ring = data;
2775 struct qlcnic_adapter *adapter = sds_ring->adapter;
2776
2777 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2778 goto done;
2779 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2780 writel(0xffffffff, adapter->tgt_status_reg);
2781 goto done;
2782 }
2783
2784 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2785 return IRQ_NONE;
2786
2787done:
79788450 2788 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2789 qlcnic_enable_int(sds_ring);
2790 return IRQ_HANDLED;
2791}
2792
2793static irqreturn_t qlcnic_intr(int irq, void *data)
2794{
2795 struct qlcnic_host_sds_ring *sds_ring = data;
2796 struct qlcnic_adapter *adapter = sds_ring->adapter;
2797
2798 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2799 return IRQ_NONE;
2800
af19b491
AKS		 2801 napi_schedule(&sds_ring->napi);
2802
2803 return IRQ_HANDLED;
2804}
2805
2806static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2807{
2808 struct qlcnic_host_sds_ring *sds_ring = data;
2809 struct qlcnic_adapter *adapter = sds_ring->adapter;
2810
2811 /* clear interrupt */
2812 writel(0xffffffff, adapter->tgt_status_reg);
2813
2814 napi_schedule(&sds_ring->napi);
2815 return IRQ_HANDLED;
2816}
2817
2818static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2819{
2820 struct qlcnic_host_sds_ring *sds_ring = data;
2821
2822 napi_schedule(&sds_ring->napi);
2823 return IRQ_HANDLED;
2824}
2825
13159183
SC		 2826static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2827{
2828 struct qlcnic_host_tx_ring *tx_ring = data;
2829
2830 napi_schedule(&tx_ring->napi);
2831 return IRQ_HANDLED;
2832}
2833
af19b491
AKS		 2834#ifdef CONFIG_NET_POLL_CONTROLLER
2835static void qlcnic_poll_controller(struct net_device *netdev)
2836{
bf82791e
YL		 2837 int ring;
2838 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2839 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2840 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2841
af19b491 2842 disable_irq(adapter->irq);
bf82791e
YL		 2843 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2844 sds_ring = &recv_ctx->sds_rings[ring];
2845 qlcnic_intr(adapter->irq, sds_ring);
2846 }
af19b491
AKS		 2847 enable_irq(adapter->irq);
2848}
2849#endif
2850
6df900e9
SC		 2851static void
2852qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2853{
2854 u32 val;
2855
2856 val = adapter->portnum & 0xf;
2857 val |= encoding << 7;
2858 val |= (jiffies - adapter->dev_rst_time) << 8;
2859
a15ebd37 2860 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2861 adapter->dev_rst_time = jiffies;
2862}
2863
ade91f8e
AKS		 2864static int
2865qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2866{
2867 u32 val;
2868
2869 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2870 state != QLCNIC_DEV_NEED_QUISCENT);
2871
2872 if (qlcnic_api_lock(adapter))
ade91f8e 2873 return -EIO;
af19b491 2874
a15ebd37 2875 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2876
2877 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2878 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2879 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2880 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2881
a15ebd37 2882 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2883
2884 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2885
2886 return 0;
af19b491
AKS		 2887}
2888
1b95a839
AKS		 2889static int
2890qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2891{
2892 u32 val;
2893
2894 if (qlcnic_api_lock(adapter))
2895 return -EBUSY;
2896
a15ebd37 2897 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2898 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2899 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2900
2901 qlcnic_api_unlock(adapter);
2902
2903 return 0;
2904}
2905
486a5bc7 2906void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2907{
2908 u32 val;
2909
2910 if (qlcnic_api_lock(adapter))
2911 goto err;
2912
a15ebd37 2913 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2914 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2915 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2916
21854f02 2917 if (failed) {
a15ebd37
HM		 2918 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2919 QLCNIC_DEV_FAILED);
21854f02
AKS		 2920 dev_info(&adapter->pdev->dev,
2921 "Device state set to Failed. Please Reboot\n");
2922 } else if (!(val & 0x11111111))
a15ebd37
HM		 2923 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2924 QLCNIC_DEV_COLD);
af19b491 2925
a15ebd37 2926 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2927 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2928 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2929
2930 qlcnic_api_unlock(adapter);
2931err:
2932 adapter->fw_fail_cnt = 0;
032a13c7 2933 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2934 clear_bit(__QLCNIC_START_FW, &adapter->state);
2935 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2936}
2937
f73dfc50 2938/* Grab api lock, before checking state */
af19b491
AKS		 2939static int
2940qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2941{
602ca6f0 2942 int act, state, active_mask;
a15ebd37 2943 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2944
a15ebd37
HM		 2945 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2946 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2947
602ca6f0 2948 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2949 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2950 act = act & active_mask;
2951 }
2952
af19b491
AKS		 2953 if (((state & 0x11111111) == (act & 0x11111111)) ||
2954 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2955 return 0;
2956 else
2957 return 1;
2958}
2959
96f8118c
SC		 2960static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2961{
a15ebd37 2962 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2963
2964 if (val != QLCNIC_DRV_IDC_VER) {
2965 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2966 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2967 }
2968
2969 return 0;
2970}
2971
af19b491
AKS		 2972static int
2973qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2974{
2975 u32 val, prev_state;
aa5e18c0 2976 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2977 u8 portnum = adapter->portnum;
96f8118c 2978 u8 ret;
af19b491 2979
f73dfc50
AKS		 2980 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2981 return 1;
2982
af19b491
AKS		 2983 if (qlcnic_api_lock(adapter))
2984 return -1;
2985
a15ebd37 2986 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2987 if (!(val & (1 << (portnum * 4)))) {
2988 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2989 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2990 }
2991
a15ebd37 2992 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2993 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2994
2995 switch (prev_state) {
2996 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2997 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2998 QLCNIC_DEV_INITIALIZING);
2999 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3000 QLCNIC_DRV_IDC_VER);
6df900e9 3001 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3002 qlcnic_api_unlock(adapter);
3003 return 1;
3004
3005 case QLCNIC_DEV_READY:
96f8118c 3006 ret = qlcnic_check_idc_ver(adapter);
af19b491 3007 qlcnic_api_unlock(adapter);
96f8118c 3008 return ret;
af19b491
AKS		 3009
3010 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3011 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3012 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3013 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3014 break;
3015
3016 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3017 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3018 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3019 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3020 break;
3021
3022 case QLCNIC_DEV_FAILED:
a7fc948f 3023 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3024 qlcnic_api_unlock(adapter);
3025 return -1;
bbd8c6a4
AKS		 3026
3027 case QLCNIC_DEV_INITIALIZING:
3028 case QLCNIC_DEV_QUISCENT:
3029 break;
af19b491
AKS		 3030 }
3031
3032 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3033
3034 do {
af19b491 3035 msleep(1000);
a15ebd37 3036 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3037
3038 if (prev_state == QLCNIC_DEV_QUISCENT)
3039 continue;
3040 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3041
65b5b420
AKS		 3042 if (!dev_init_timeo) {
3043 dev_err(&adapter->pdev->dev,
3044 "Waiting for device to initialize timeout\n");
af19b491 3045 return -1;
65b5b420 3046 }
af19b491
AKS		 3047
3048 if (qlcnic_api_lock(adapter))
3049 return -1;
3050
a15ebd37 3051 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3052 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3053 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3054
96f8118c 3055 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3056 qlcnic_api_unlock(adapter);
3057
96f8118c 3058 return ret;
af19b491
AKS		 3059}
3060
3061static void
3062qlcnic_fwinit_work(struct work_struct *work)
3063{
3064 struct qlcnic_adapter *adapter = container_of(work,
3065 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3066 u32 dev_state = 0xf;
7b749ff4 3067 u32 val;
af19b491 3068
f73dfc50
AKS		 3069 if (qlcnic_api_lock(adapter))
3070 goto err_ret;
af19b491 3071
a15ebd37 3072 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3073 if (dev_state == QLCNIC_DEV_QUISCENT ||
3074 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3075 qlcnic_api_unlock(adapter);
3076 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3077 FW_POLL_DELAY * 2);
3078 return;
3079 }
3080
79788450 3081 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3082 qlcnic_api_unlock(adapter);
3083 goto wait_npar;
9f26f547
AC		 3084 }
3085
16e3cf73
SV		 3086 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3087 dev_state == QLCNIC_DEV_READY) {
3088 dev_info(&adapter->pdev->dev, "Detected state change from "
3089 "DEV_NEED_RESET, skipping ack check\n");
3090 goto skip_ack_check;
3091 }
3092
f73dfc50 3093 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3094 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3095 adapter->reset_ack_timeo);
3096 goto skip_ack_check;
3097 }
3098
3099 if (!qlcnic_check_drv_state(adapter)) {
3100skip_ack_check:
a15ebd37 3101 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3102
f73dfc50 3103 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3104 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3105 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3106 set_bit(__QLCNIC_START_FW, &adapter->state);
3107 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3108 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3109 val = QLC_SHARED_REG_RD32(adapter,
3110 QLCNIC_CRB_DRV_STATE);
7b749ff4 3111 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3112 QLC_SHARED_REG_WR32(adapter,
3113 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3114 }
3115
f73dfc50
AKS		 3116 qlcnic_api_unlock(adapter);
3117
287e38aa 3118 rtnl_lock();
890b6e02 3119 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3120 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3121 QLCDB(adapter, DRV, "Take FW dump\n");
3122 qlcnic_dump_fw(adapter);
032a13c7 3123 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3124 }
287e38aa 3125 rtnl_unlock();
7b749ff4
SV		 3126
3127 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3128 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3129 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3130 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3131 return;
3132 }
af19b491
AKS		 3133 goto err_ret;
3134 }
3135
f73dfc50 3136 qlcnic_api_unlock(adapter);
aa5e18c0 3137
9f26f547 3138wait_npar:
a15ebd37 3139 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3140 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3141
af19b491 3142 switch (dev_state) {
3c4b23b1 3143 case QLCNIC_DEV_READY:
7e2cf4fe 3144 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3145 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3146 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3147 return;
3148 }
3c4b23b1
AKS		 3149 case QLCNIC_DEV_FAILED:
3150 break;
3151 default:
3152 qlcnic_schedule_work(adapter,
3153 qlcnic_fwinit_work, FW_POLL_DELAY);
3154 return;
af19b491
AKS		 3155 }
3156
3157err_ret:
f73dfc50
AKS		 3158 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3159 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3160 netif_device_attach(adapter->netdev);
21854f02 3161 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3162}
3163
3164static void
3165qlcnic_detach_work(struct work_struct *work)
3166{
3167 struct qlcnic_adapter *adapter = container_of(work,
3168 struct qlcnic_adapter, fw_work.work);
3169 struct net_device *netdev = adapter->netdev;
3170 u32 status;
3171
3172 netif_device_detach(netdev);
3173
b8c17620
AKS		 3174 /* Dont grab rtnl lock during Quiscent mode */
3175 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3176 if (netif_running(netdev))
3177 __qlcnic_down(adapter, netdev);
3178 } else
3179 qlcnic_down(adapter, netdev);
af19b491 3180
a15ebd37 3181 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3182
44f65b29
SC		 3183 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3184 dev_err(&adapter->pdev->dev,
3185 "Detaching the device: peg halt status1=0x%x\n",
3186 status);
3187
3188 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3189 dev_err(&adapter->pdev->dev,
3190 "On board active cooling fan failed. "
3191 "Device has been halted.\n");
3192 dev_err(&adapter->pdev->dev,
3193 "Replace the adapter.\n");
3194 }
3195
af19b491 3196 goto err_ret;
44f65b29 3197 }
af19b491 3198
79788450 3199 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3200 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3201 adapter->ahw->temp);
af19b491 3202 goto err_ret;
44f65b29
SC		 3203 }
3204
602ca6f0
SV		 3205 /* Dont ack if this instance is the reset owner */
3206 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3207 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3208 dev_err(&adapter->pdev->dev,
3209 "Failed to set driver state,"
3210 "detaching the device.\n");
602ca6f0 3211 goto err_ret;
44f65b29 3212 }
602ca6f0 3213 }
af19b491
AKS		 3214
3215 adapter->fw_wait_cnt = 0;
3216
3217 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3218
3219 return;
3220
3221err_ret:
34ce3626 3222 netif_device_attach(netdev);
21854f02 3223 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3224}
3225
3c4b23b1
AKS		 3226/*Transit NPAR state to NON Operational */
3227static void
3228qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3229{
3230 u32 state;
3231
a15ebd37 3232 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3233 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3234 return;
3235
3236 if (qlcnic_api_lock(adapter))
3237 return;
a15ebd37
HM		 3238 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3239 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3240 qlcnic_api_unlock(adapter);
3241}
3242
7e2cf4fe 3243void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 3244{
646779f1
SV		 3245 u32 state, xg_val = 0, gb_val = 0;
3246
3247 qlcnic_xg_set_xg0_mask(xg_val);
3248 qlcnic_xg_set_xg1_mask(xg_val);
3249 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3250 qlcnic_gb_set_gb0_mask(gb_val);
3251 qlcnic_gb_set_gb1_mask(gb_val);
3252 qlcnic_gb_set_gb2_mask(gb_val);
3253 qlcnic_gb_set_gb3_mask(gb_val);
3254 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3255 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3256 " on all ports\n");
cea8975e 3257 adapter->need_fw_reset = 1;
13159183 3258
af19b491
AKS		 3259 if (qlcnic_api_lock(adapter))
3260 return;
3261
13159183 3262 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
66451615
SC		 3263 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
3264 netdev_err(adapter->netdev, "%s: Device is in FAILED state\n",
3265 __func__);
3266 qlcnic_api_unlock(adapter);
3267
3268 return;
3269 }
af19b491 3270
f73dfc50 3271 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3272 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3273 QLCNIC_DEV_NEED_RESET);
602ca6f0 3274 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3275 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3276 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3277 }
3278
13159183
SC		 3279 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3280 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3281 qlcnic_api_unlock(adapter);
3282}
3283
9f26f547
AC		 3284/* Transit to NPAR READY state from NPAR NOT READY state */
3285static void
3286qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3287{
9f26f547
AC		 3288 if (qlcnic_api_lock(adapter))
3289 return;
3290
a15ebd37
HM		 3291 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3292 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3293 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3294
3295 qlcnic_api_unlock(adapter);
3296}
3297
13159183
SC		 3298void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3299 work_func_t func, int delay)
af19b491 3300{
451724c8
SC		 3301 if (test_bit(__QLCNIC_AER, &adapter->state))
3302 return;
3303
af19b491 3304 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3305 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3306 round_jiffies_relative(delay));
af19b491
AKS		 3307}
3308
3309static void
3310qlcnic_attach_work(struct work_struct *work)
3311{
3312 struct qlcnic_adapter *adapter = container_of(work,
3313 struct qlcnic_adapter, fw_work.work);
3314 struct net_device *netdev = adapter->netdev;
b18971d1 3315 u32 npar_state;
af19b491 3316
79788450 3317 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3318 npar_state = QLC_SHARED_REG_RD32(adapter,
3319 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3320 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3321 qlcnic_clr_all_drv_state(adapter, 0);
3322 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3323 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3324 FW_POLL_DELAY);
3325 else
3326 goto attach;
3327 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3328 return;
3329 }
3330attach:
14d385b9
SC		 3331 qlcnic_dcb_get_info(adapter);
3332
af19b491 3333 if (netif_running(netdev)) {
52486a3a 3334 if (qlcnic_up(adapter, netdev))
af19b491 3335 goto done;
af19b491 3336
aec1e845 3337 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3338 }
3339
af19b491 3340done:
34ce3626 3341 netif_device_attach(netdev);
af19b491 3342 adapter->fw_fail_cnt = 0;
032a13c7 3343 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3344 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3345 if (adapter->portnum == 0)
3346 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3347
3348 if (!qlcnic_clr_drv_state(adapter))
3349 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3350 FW_POLL_DELAY);
af19b491
AKS		 3351}
3352
3353static int
3354qlcnic_check_health(struct qlcnic_adapter *adapter)
3355{
4e70812b 3356 u32 state = 0, heartbeat;
853d4bca 3357 u32 peg_status;
4bd8e738 3358 int err = 0;
af19b491
AKS		 3359
3360 if (qlcnic_check_temp(adapter))
3361 goto detach;
3362
2372a5f1 3363 if (adapter->need_fw_reset)
7e2cf4fe 3364 qlcnic_dev_request_reset(adapter, 0);
af19b491 3365
a15ebd37 3366 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3367 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3368 qlcnic_set_npar_non_operational(adapter);
af19b491 3369 adapter->need_fw_reset = 1;
b8c17620
AKS		 3370 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3371 goto detach;
af19b491 3372
a15ebd37 3373 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3374 if (heartbeat != adapter->heartbeat) {
3375 adapter->heartbeat = heartbeat;
af19b491
AKS		 3376 adapter->fw_fail_cnt = 0;
3377 if (adapter->need_fw_reset)
3378 goto detach;
68bf1c68 3379
0ce54ce4 3380 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3381 qlcnic_reset_hw_context(adapter);
68bf1c68 3382
af19b491
AKS		 3383 return 0;
3384 }
3385
3386 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3387 return 0;
3388
032a13c7
SV		 3389 adapter->flags |= QLCNIC_FW_HANG;
3390
7e2cf4fe 3391 qlcnic_dev_request_reset(adapter, 0);
af19b491 3392
099f7aa7 3393 if (qlcnic_auto_fw_reset)
0df170b6 3394 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3395
853d4bca 3396 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3397 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3398 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3399 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3400 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3401 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3402 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3403 peg_status,
3404 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3405 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3406 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3407 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3408 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3409 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3410 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3411 dev_err(&adapter->pdev->dev,
3412 "Firmware aborted with error code 0x00006700. "
3413 "Device is being reset.\n");
af19b491
AKS		 3414detach:
3415 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3416 QLCNIC_DEV_NEED_RESET;
3417
099f7aa7
SC		 3418 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3419 &adapter->state)) {
65b5b420 3420
af19b491 3421 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3422 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3423 }
af19b491
AKS		 3424
3425 return 1;
3426}
3427
486a5bc7 3428void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3429{
3430 struct qlcnic_adapter *adapter = container_of(work,
3431 struct qlcnic_adapter, fw_work.work);
3432
3433 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3434 goto reschedule;
3435
3436
3437 if (qlcnic_check_health(adapter))
3438 return;
3439
b5e5492c
AKS		 3440 if (adapter->fhash.fnum)
3441 qlcnic_prune_lb_filters(adapter);
3442
af19b491
AKS		 3443reschedule:
3444 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3445}
3446
451724c8
SC		 3447static int qlcnic_is_first_func(struct pci_dev *pdev)
3448{
3449 struct pci_dev *oth_pdev;
3450 int val = pdev->devfn;
3451
3452 while (val-- > 0) {
3453 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3454 (pdev->bus), pdev->bus->number,
3455 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3456 if (!oth_pdev)
3457 continue;
451724c8 3458
bfc978fa
AKS		 3459 if (oth_pdev->current_state != PCI_D3cold) {
3460 pci_dev_put(oth_pdev);
451724c8 3461 return 0;
bfc978fa
AKS		 3462 }
3463 pci_dev_put(oth_pdev);
451724c8
SC		 3464 }
3465 return 1;
3466}
3467
3468static int qlcnic_attach_func(struct pci_dev *pdev)
3469{
3470 int err, first_func;
3471 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3472 struct net_device *netdev = adapter->netdev;
3473
3474 pdev->error_state = pci_channel_io_normal;
3475
3476 err = pci_enable_device(pdev);
3477 if (err)
3478 return err;
3479
451724c8
SC		 3480 pci_set_master(pdev);
3481 pci_restore_state(pdev);
3482
3483 first_func = qlcnic_is_first_func(pdev);
3484
3485 if (qlcnic_api_lock(adapter))
3486 return -EINVAL;
3487
79788450 3488 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3489 adapter->need_fw_reset = 1;
3490 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3491 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3492 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3493 QLCDB(adapter, DRV, "Restarting fw\n");
3494 }
3495 qlcnic_api_unlock(adapter);
3496
13159183 3497 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3498 if (err)
3499 return err;
3500
3501 qlcnic_clr_drv_state(adapter);
13159183
SC		 3502 kfree(adapter->msix_entries);
3503 adapter->msix_entries = NULL;
aa4a1f7d 3504 err = qlcnic_setup_intr(adapter, 0, 0);
13159183 3505
9a97e705
M		 3506 if (err) {
3507 kfree(adapter->msix_entries);
3508 netdev_err(netdev, "failed to setup interrupt\n");
3509 return err;
3510 }
3511
451724c8
SC		 3512 if (netif_running(netdev)) {
3513 err = qlcnic_attach(adapter);
3514 if (err) {
21854f02 3515 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3516 clear_bit(__QLCNIC_AER, &adapter->state);
3517 netif_device_attach(netdev);
3518 return err;
3519 }
3520
3521 err = qlcnic_up(adapter, netdev);
3522 if (err)
3523 goto done;
3524
aec1e845 3525 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3526 }
3527 done:
3528 netif_device_attach(netdev);
3529 return err;
3530}
3531
4460f2e8
PP		 3532pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3533 pci_channel_state_t state)
451724c8
SC		 3534{
3535 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3536 struct net_device *netdev = adapter->netdev;
3537
3538 if (state == pci_channel_io_perm_failure)
3539 return PCI_ERS_RESULT_DISCONNECT;
3540
3541 if (state == pci_channel_io_normal)
3542 return PCI_ERS_RESULT_RECOVERED;
3543
3544 set_bit(__QLCNIC_AER, &adapter->state);
3545 netif_device_detach(netdev);
3546
3547 cancel_delayed_work_sync(&adapter->fw_work);
3548
3549 if (netif_running(netdev))
3550 qlcnic_down(adapter, netdev);
3551
3552 qlcnic_detach(adapter);
3553 qlcnic_teardown_intr(adapter);
3554
3555 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3556
3557 pci_save_state(pdev);
3558 pci_disable_device(pdev);
3559
3560 return PCI_ERS_RESULT_NEED_RESET;
3561}
3562
4460f2e8 3563pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3564{
3565 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3566 PCI_ERS_RESULT_RECOVERED;
3567}
3568
4460f2e8 3569void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3570{
a15ebd37 3571 u32 state;
451724c8
SC		 3572 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3573
3574 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3575 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3576 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3577 &adapter->state))
451724c8 3578 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3579 FW_POLL_DELAY);
451724c8
SC		 3580}
3581
4460f2e8
PP		 3582static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3583 pci_channel_state_t state)
3584{
3585 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3586 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3587
3588 if (hw_ops->io_error_detected) {
3589 return hw_ops->io_error_detected(pdev, state);
3590 } else {
3591 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3592 return PCI_ERS_RESULT_DISCONNECT;
3593 }
3594}
3595
3596static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3597{
3598 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3599 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3600
3601 if (hw_ops->io_slot_reset) {
3602 return hw_ops->io_slot_reset(pdev);
3603 } else {
3604 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3605 return PCI_ERS_RESULT_DISCONNECT;
3606 }
3607}
3608
3609static void qlcnic_io_resume(struct pci_dev *pdev)
3610{
3611 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3612 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3613
3614 if (hw_ops->io_resume)
3615 hw_ops->io_resume(pdev);
3616 else
3617 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3618}
3619
3620
87eb743b
AC		 3621static int
3622qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3623{
3624 int err;
3625
3626 err = qlcnic_can_start_firmware(adapter);
3627 if (err)
3628 return err;
3629
78f84e1a
AKS		 3630 err = qlcnic_check_npar_opertional(adapter);
3631 if (err)
3632 return err;
3c4b23b1 3633
174240a8
RB		 3634 err = qlcnic_initialize_nic(adapter);
3635 if (err)
3636 return err;
3637
87eb743b
AC		 3638 qlcnic_check_options(adapter);
3639
7373373d
RB		 3640 err = qlcnic_set_eswitch_port_config(adapter);
3641 if (err)
3642 return err;
3643
87eb743b
AC		 3644 adapter->need_fw_reset = 0;
3645
3646 return err;
3647}
3648
80b17be7 3649int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq)
aa4a1f7d
HM		 3650{
3651 struct net_device *netdev = adapter->netdev;
3652 u8 max_hw = QLCNIC_MAX_TX_RINGS;
3653 u32 max_allowed;
3654
3655 if (!qlcnic_82xx_check(adapter)) {
3656 netdev_err(netdev, "No Multi TX-Q support\n");
3657 return -EINVAL;
3658 }
3659
3660 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3661 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n");
3662 return -EINVAL;
3663 }
3664
3665 if (!qlcnic_check_multi_tx(adapter)) {
3666 netdev_err(netdev, "No Multi TX-Q support\n");
3667 return -EINVAL;
3668 }
3669
3670 if (txq > QLCNIC_MAX_TX_RINGS) {
3671 netdev_err(netdev, "Invalid ring count\n");
3672 return -EINVAL;
3673 }
3674
3675 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3676 num_online_cpus()));
3677 if ((txq > max_allowed) || !is_power_of_2(txq)) {
3678 if (!is_power_of_2(txq))
3679 netdev_err(netdev,
3680 "TX queue should be a power of 2\n");
3681 if (txq > num_online_cpus())
3682 netdev_err(netdev,
3683 "Tx queue should not be higher than [%u], number of online CPUs in the system\n",
3684 num_online_cpus());
3685 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq);
3686 return -EINVAL;
3687 }
3688
3689 return 0;
3690}
3691
6389b76d 3692int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
012ec812 3693 __u32 val)
f94bc1e7 3694{
6389b76d
MC		 3695 struct net_device *netdev = adapter->netdev;
3696 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3697 u32 max_allowed;
3698
aa4a1f7d
HM		 3699 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3700 !qlcnic_use_msi) {
3701 netdev_err(netdev, "No RSS support in INT-x mode\n");
3702 return -EINVAL;
3703 }
3704
012ec812 3705 if (val > QLCNIC_MAX_SDS_RINGS) {
6389b76d 3706 netdev_err(netdev, "RSS value should not be higher than %u\n",
012ec812 3707 QLCNIC_MAX_SDS_RINGS);
6389b76d 3708 return -EINVAL;
f94bc1e7
SC		 3709 }
3710
319ecf12
SC		 3711 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3712 num_online_cpus()));
3713 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3714 if (!is_power_of_2(val))
3715 netdev_err(netdev, "RSS value should be a power of 2\n");
3716
3717 if (val < 2)
3718 netdev_err(netdev, "RSS value should not be lower than 2\n");
3719
3720 if (val > max_hw)
3721 netdev_err(netdev,
3722 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3723 max_hw);
3724
3725 if (val > num_online_cpus())
3726 netdev_err(netdev,
3727 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3728 num_online_cpus());
3729
3730 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3731
f94bc1e7
SC		 3732 return -EINVAL;
3733 }
3734 return 0;
f94bc1e7
SC		 3735}
3736
aa4a1f7d 3737int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq)
f94bc1e7 3738{
13159183 3739 int err;
f94bc1e7 3740 struct net_device *netdev = adapter->netdev;
aa4a1f7d 3741 int num_msix;
f94bc1e7 3742
319ecf12
SC		 3743 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3744 return -EBUSY;
3745
aa4a1f7d
HM		 3746 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3747 !qlcnic_use_msi) {
3748 netdev_err(netdev, "No RSS support in INT-x mode\n");
3749 return -EINVAL;
3750 }
3751
f94bc1e7
SC		 3752 netif_device_detach(netdev);
3753 if (netif_running(netdev))
3754 __qlcnic_down(adapter, netdev);
13159183 3755
7dd90cf1
SC		 3756 qlcnic_detach(adapter);
3757
aa4a1f7d
HM		 3758 if (qlcnic_82xx_check(adapter)) {
3759 if (txq != 0)
3760 adapter->max_drv_tx_rings = txq;
3761
3762 if (qlcnic_check_multi_tx(adapter) &&
3763 (txq > adapter->max_drv_tx_rings))
3764 num_msix = adapter->max_drv_tx_rings;
3765 else
3766 num_msix = data;
3767 }
3768
7ed3ce48 3769 if (qlcnic_83xx_check(adapter)) {
13159183 3770 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3771 qlcnic_83xx_enable_mbx_poll(adapter);
3772 }
13159183 3773
aa4a1f7d
HM		 3774 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings);
3775
f94bc1e7 3776 qlcnic_teardown_intr(adapter);
aa4a1f7d
HM		 3777
3778 err = qlcnic_setup_intr(adapter, data, txq);
9a97e705
M		 3779 if (err) {
3780 kfree(adapter->msix_entries);
3781 netdev_err(netdev, "failed to setup interrupt\n");
3782 return err;
3783 }
f94bc1e7 3784
13159183 3785 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3786 /* register for NIC IDC AEN Events */
3787 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3788 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3789 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3790 if (err) {
3791 dev_err(&adapter->pdev->dev,
3792 "failed to setup mbx interrupt\n");
3793 goto done;
3794 }
f94bc1e7
SC		 3795 }
3796
3797 if (netif_running(netdev)) {
3798 err = qlcnic_attach(adapter);
3799 if (err)
3800 goto done;
3801 err = __qlcnic_up(adapter, netdev);
3802 if (err)
3803 goto done;
3804 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3805 }
aa4a1f7d 3806done:
f94bc1e7
SC		 3807 netif_device_attach(netdev);
3808 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3809 return err;
3810}
3811
af19b491
AKS		 3812#ifdef CONFIG_INET
3813
3814#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3815
af19b491 3816static void
aec1e845
AKS		 3817qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3818 struct net_device *dev, unsigned long event)
af19b491
AKS		 3819{
3820 struct in_device *indev;
af19b491 3821
af19b491
AKS		 3822 indev = in_dev_get(dev);
3823 if (!indev)
3824 return;
3825
3826 for_ifa(indev) {
3827 switch (event) {
3828 case NETDEV_UP:
3829 qlcnic_config_ipaddr(adapter,
3830 ifa->ifa_address, QLCNIC_IP_UP);
3831 break;
3832 case NETDEV_DOWN:
3833 qlcnic_config_ipaddr(adapter,
3834 ifa->ifa_address, QLCNIC_IP_DOWN);
3835 break;
3836 default:
3837 break;
3838 }
3839 } endfor_ifa(indev);
3840
3841 in_dev_put(indev);
af19b491
AKS		 3842}
3843
319ecf12 3844void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3845{
3846 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3847 struct net_device *dev;
3848 u16 vid;
3849
3850 qlcnic_config_indev_addr(adapter, netdev, event);
3851
43c00a75 3852 rcu_read_lock();
b9796a14 3853 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3854 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3855 if (!dev)
3856 continue;
aec1e845
AKS		 3857 qlcnic_config_indev_addr(adapter, dev, event);
3858 }
43c00a75 3859 rcu_read_unlock();
aec1e845
AKS		 3860}
3861
af19b491
AKS		 3862static int qlcnic_netdev_event(struct notifier_block *this,
3863 unsigned long event, void *ptr)
3864{
3865 struct qlcnic_adapter *adapter;
351638e7 3866 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 3867
3868recheck:
3869 if (dev == NULL)
3870 goto done;
3871
3872 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3873 dev = vlan_dev_real_dev(dev);
3874 goto recheck;
3875 }
3876
3877 if (!is_qlcnic_netdev(dev))
3878 goto done;
3879
3880 adapter = netdev_priv(dev);
3881
3882 if (!adapter)
3883 goto done;
3884
8a15ad1f 3885 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3886 goto done;
3887
aec1e845 3888 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3889done:
3890 return NOTIFY_DONE;
3891}
3892
3893static int
3894qlcnic_inetaddr_event(struct notifier_block *this,
3895 unsigned long event, void *ptr)
3896{
3897 struct qlcnic_adapter *adapter;
3898 struct net_device *dev;
3899
3900 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3901
3902 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3903
3904recheck:
aec1e845 3905 if (dev == NULL)
af19b491
AKS		 3906 goto done;
3907
3908 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3909 dev = vlan_dev_real_dev(dev);
3910 goto recheck;
3911 }
3912
3913 if (!is_qlcnic_netdev(dev))
3914 goto done;
3915
3916 adapter = netdev_priv(dev);
3917
251a84c9 3918 if (!adapter)
af19b491
AKS		 3919 goto done;
3920
8a15ad1f 3921 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3922 goto done;
3923
3924 switch (event) {
3925 case NETDEV_UP:
3926 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3927
af19b491
AKS		 3928 break;
3929 case NETDEV_DOWN:
3930 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3931
af19b491
AKS		 3932 break;
3933 default:
3934 break;
3935 }
3936
3937done:
3938 return NOTIFY_DONE;
3939}
3940
3941static struct notifier_block qlcnic_netdev_cb = {
3942 .notifier_call = qlcnic_netdev_event,
3943};
3944
3945static struct notifier_block qlcnic_inetaddr_cb = {
3946 .notifier_call = qlcnic_inetaddr_event,
3947};
3948#else
f8ca2b6f 3949void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3950{ }
3951#endif
fec9dd15 3952static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3953 .error_detected = qlcnic_io_error_detected,
3954 .slot_reset = qlcnic_io_slot_reset,
3955 .resume = qlcnic_io_resume,
3956};
af19b491
AKS		 3957
3958static struct pci_driver qlcnic_driver = {
3959 .name = qlcnic_driver_name,
3960 .id_table = qlcnic_pci_tbl,
3961 .probe = qlcnic_probe,
6bb58bb0 3962 .remove = qlcnic_remove,
af19b491
AKS		 3963#ifdef CONFIG_PM
3964 .suspend = qlcnic_suspend,
3965 .resume = qlcnic_resume,
3966#endif
451724c8 3967 .shutdown = qlcnic_shutdown,
02feda17
RB		 3968 .err_handler = &qlcnic_err_handler,
3969#ifdef CONFIG_QLCNIC_SRIOV
3970 .sriov_configure = qlcnic_pci_sriov_configure,
3971#endif
451724c8 3972
af19b491
AKS		 3973};
3974
3975static int __init qlcnic_init_module(void)
3976{
0cf3a14c 3977 int ret;
af19b491
AKS		 3978
3979 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3980
3981#ifdef CONFIG_INET
3982 register_netdevice_notifier(&qlcnic_netdev_cb);
3983 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3984#endif
3985
0cf3a14c
AKS		 3986 ret = pci_register_driver(&qlcnic_driver);
3987 if (ret) {
3988#ifdef CONFIG_INET
3989 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3990 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3991#endif
3992 }
af19b491 3993
0cf3a14c 3994 return ret;
af19b491
AKS		 3995}
3996
3997module_init(qlcnic_init_module);
3998
3999static void __exit qlcnic_exit_module(void)
4000{
af19b491
AKS		 4001 pci_unregister_driver(&qlcnic_driver);
4002
4003#ifdef CONFIG_INET
4004 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4005 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4006#endif
4007}
4008
4009module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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