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qlcnic: Restructuring of qlc_83xx_fw_info structure.
[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
434 cancel_delayed_work_sync(&adapter->fw_work);
435}
436
07a251c8
SS		 437static int qlcnic_get_phys_port_id(struct net_device *netdev,
438 struct netdev_phys_port_id *ppid)
439{
440 struct qlcnic_adapter *adapter = netdev_priv(netdev);
441 struct qlcnic_hardware_context *ahw = adapter->ahw;
442
443 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
444 return -EOPNOTSUPP;
445
446 ppid->id_len = sizeof(ahw->phys_port_id);
447 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
448
449 return 0;
450}
451
af19b491
AKS		 452static const struct net_device_ops qlcnic_netdev_ops = {
453 .ndo_open = qlcnic_open,
454 .ndo_stop = qlcnic_close,
455 .ndo_start_xmit = qlcnic_xmit_frame,
456 .ndo_get_stats = qlcnic_get_stats,
457 .ndo_validate_addr = eth_validate_addr,
afc4b13d 458 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 459 .ndo_set_mac_address = qlcnic_set_mac,
460 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 461 .ndo_fix_features = qlcnic_fix_features,
462 .ndo_set_features = qlcnic_set_features,
af19b491 463 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 464 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
465 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 466 .ndo_fdb_add = qlcnic_fdb_add,
467 .ndo_fdb_del = qlcnic_fdb_del,
468 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 469 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
af19b491
AKS		 470#ifdef CONFIG_NET_POLL_CONTROLLER
471 .ndo_poll_controller = qlcnic_poll_controller,
472#endif
4000e7a7
RB		 473#ifdef CONFIG_QLCNIC_SRIOV
474 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
475 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
476 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 477 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 478 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 479#endif
af19b491
AKS		 480};
481
b43e5ee7
SC		 482static const struct net_device_ops qlcnic_netdev_failed_ops = {
483 .ndo_open = qlcnic_open,
484};
485
2e9d722d 486static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 487 .config_bridged_mode = qlcnic_config_bridged_mode,
488 .config_led = qlcnic_82xx_config_led,
489 .start_firmware = qlcnic_82xx_start_firmware,
490 .request_reset = qlcnic_82xx_dev_request_reset,
491 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
492 .napi_add = qlcnic_82xx_napi_add,
4be41e92 493 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 494 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 495 .shutdown = qlcnic_82xx_shutdown,
496 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 497 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
498};
499
500struct qlcnic_nic_template qlcnic_vf_ops = {
501 .config_bridged_mode = qlcnicvf_config_bridged_mode,
502 .config_led = qlcnicvf_config_led,
503 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 504};
505
7e2cf4fe
SC		 506static struct qlcnic_hardware_ops qlcnic_hw_ops = {
507 .read_crb = qlcnic_82xx_read_crb,
508 .write_crb = qlcnic_82xx_write_crb,
509 .read_reg = qlcnic_82xx_hw_read_wx_2M,
510 .write_reg = qlcnic_82xx_hw_write_wx_2M,
511 .get_mac_address = qlcnic_82xx_get_mac_address,
512 .setup_intr = qlcnic_82xx_setup_intr,
513 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
514 .mbx_cmd = qlcnic_82xx_issue_cmd,
515 .get_func_no = qlcnic_82xx_get_func_no,
516 .api_lock = qlcnic_82xx_api_lock,
517 .api_unlock = qlcnic_82xx_api_unlock,
518 .add_sysfs = qlcnic_82xx_add_sysfs,
519 .remove_sysfs = qlcnic_82xx_remove_sysfs,
520 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
521 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
522 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 523 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
524 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 525 .setup_link_event = qlcnic_82xx_linkevent_request,
526 .get_nic_info = qlcnic_82xx_get_nic_info,
527 .get_pci_info = qlcnic_82xx_get_pci_info,
528 .set_nic_info = qlcnic_82xx_set_nic_info,
529 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
530 .napi_enable = qlcnic_82xx_napi_enable,
531 .napi_disable = qlcnic_82xx_napi_disable,
532 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
533 .config_rss = qlcnic_82xx_config_rss,
534 .config_hw_lro = qlcnic_82xx_config_hw_lro,
535 .config_loopback = qlcnic_82xx_set_lb_mode,
536 .clear_loopback = qlcnic_82xx_clear_lb_mode,
537 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
538 .change_l2_filter = qlcnic_82xx_change_filter,
539 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 540 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 541 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 542 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 543 .io_error_detected = qlcnic_82xx_io_error_detected,
544 .io_slot_reset = qlcnic_82xx_io_slot_reset,
545 .io_resume = qlcnic_82xx_io_resume,
2e9d722d
AC		 546};
547
012ec812
HM		 548static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter)
549{
550 struct qlcnic_hardware_context *ahw = adapter->ahw;
551 int num_tx_q;
552
553 if (ahw->msix_supported &&
554 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
555 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS,
556 num_online_cpus());
557 if (num_tx_q > 1) {
558 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE,
559 &adapter->state);
560 adapter->max_drv_tx_rings = num_tx_q;
561 }
562 } else {
563 adapter->max_drv_tx_rings = 1;
564 }
565}
566
7f966452 567int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 568{
af19b491 569 struct pci_dev *pdev = adapter->pdev;
012ec812 570 int max_tx_rings, max_sds_rings, tx_vector;
13159183 571 int err = -1, i;
da6c8063
RB		 572
573 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
574 max_tx_rings = 0;
575 tx_vector = 0;
576 } else {
577 max_tx_rings = adapter->max_drv_tx_rings;
578 tx_vector = 1;
579 }
13159183
SC		 580
581 if (!adapter->msix_entries) {
582 adapter->msix_entries = kcalloc(num_msix,
583 sizeof(struct msix_entry),
584 GFP_KERNEL);
b2adaca9 585 if (!adapter->msix_entries)
13159183 586 return -ENOMEM;
13159183 587 }
af19b491
AKS		 588
589 adapter->max_sds_rings = 1;
af19b491 590 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 591
79788450 592 if (adapter->ahw->msix_supported) {
f94bc1e7 593 enable_msix:
13159183
SC		 594 for (i = 0; i < num_msix; i++)
595 adapter->msix_entries[i].entry = i;
af19b491
AKS		 596 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
597 if (err == 0) {
598 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 599 if (qlcnic_83xx_check(adapter)) {
600 adapter->ahw->num_msix = num_msix;
601 /* subtract mail box and tx ring vectors */
13159183
SC		 602 adapter->max_sds_rings = num_msix -
603 max_tx_rings - 1;
604 } else {
012ec812
HM		 605 adapter->ahw->num_msix = num_msix;
606 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 607 !adapter->ahw->diag_test &&
012ec812
HM		 608 (adapter->max_drv_tx_rings > 1))
609 max_sds_rings = num_msix - max_tx_rings;
610 else
611 max_sds_rings = num_msix;
612
613 adapter->max_sds_rings = max_sds_rings;
13159183 614 }
af19b491 615 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 616 return err;
13159183
SC		 617 } else if (err > 0) {
618 dev_info(&pdev->dev,
619 "Unable to allocate %d MSI-X interrupt vectors\n",
620 num_msix);
621 if (qlcnic_83xx_check(adapter)) {
da6c8063 622 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 623 return err;
da6c8063 624 err -= (max_tx_rings + 1);
13159183 625 num_msix = rounddown_pow_of_two(err);
da6c8063 626 num_msix += (max_tx_rings + 1);
13159183
SC		 627 } else {
628 num_msix = rounddown_pow_of_two(err);
012ec812
HM		 629 if (qlcnic_check_multi_tx(adapter))
630 num_msix += max_tx_rings;
13159183
SC		 631 }
632
633 if (num_msix) {
634 dev_info(&pdev->dev,
dce056cb 635 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 636 num_msix);
f94bc1e7 637 goto enable_msix;
13159183
SC		 638 }
639 } else {
dce056cb
MC		 640 dev_info(&pdev->dev,
641 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 642 num_msix);
f94bc1e7
SC		 643 }
644 }
13159183 645
f94bc1e7
SC		 646 return err;
647}
af19b491 648
9a97e705 649static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 650{
9a97e705 651 int err = 0;
15087c2b 652 u32 offset, mask_reg;
f94bc1e7 653 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 654 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 655 struct pci_dev *pdev = adapter->pdev;
af19b491 656
099f7aa7 657 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 658 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 659 offset = msi_tgt_status[adapter->ahw->pci_func];
660 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
661 offset);
af19b491
AKS		 662 dev_info(&pdev->dev, "using msi interrupts\n");
663 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 664 return err;
af19b491 665 }
012ec812 666
9a97e705
M		 667 if (qlcnic_use_msi || qlcnic_use_msi_x)
668 return -EOPNOTSUPP;
af19b491 669
f94bc1e7 670 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 671 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 672 offset = legacy_intrp->tgt_status_reg;
673 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
674 mask_reg = legacy_intrp->tgt_mask_reg;
675 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
676 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
677 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 678 dev_info(&pdev->dev, "using legacy interrupts\n");
679 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 680 return err;
af19b491
AKS		 681}
682
aa4a1f7d 683int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr, int txq)
f94bc1e7 684{
012ec812 685 struct qlcnic_hardware_context *ahw = adapter->ahw;
9a97e705 686 int num_msix, err = 0;
f94bc1e7 687
7e2cf4fe
SC		 688 if (!num_intr)
689 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
690
012ec812 691 if (ahw->msix_supported) {
5f6ec29a 692 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe 693 num_intr));
aa4a1f7d
HM		 694 if (qlcnic_check_multi_tx(adapter)) {
695 if (txq)
696 adapter->max_drv_tx_rings = txq;
012ec812 697 num_msix += adapter->max_drv_tx_rings;
aa4a1f7d 698 }
012ec812 699 } else {
f94bc1e7 700 num_msix = 1;
012ec812 701 }
f94bc1e7 702
7e2cf4fe 703 err = qlcnic_enable_msix(adapter, num_msix);
012ec812 704 if (err == -ENOMEM)
7e2cf4fe 705 return err;
f94bc1e7 706
012ec812
HM		 707 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
708 qlcnic_disable_multi_tx(adapter);
709
710 err = qlcnic_enable_msi_legacy(adapter);
711 if (!err)
712 return err;
713 }
714
715 return 0;
716}
717
718int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
719{
720 struct qlcnic_hardware_context *ahw = adapter->ahw;
721 int err, i;
722
723 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 724 !ahw->diag_test &&
012ec812
HM		 725 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
726 ahw->intr_tbl = vzalloc(ahw->num_msix *
727 sizeof(struct qlcnic_intrpt_config));
728 if (!ahw->intr_tbl)
729 return -ENOMEM;
730
731 for (i = 0; i < ahw->num_msix; i++) {
732 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
733 ahw->intr_tbl[i].id = i;
734 ahw->intr_tbl[i].src = 0;
735 }
736
737 err = qlcnic_82xx_config_intrpt(adapter, 1);
738 if (err)
739 dev_err(&adapter->pdev->dev,
740 "Failed to configure Interrupt for %d vector\n",
741 ahw->num_msix);
9a97e705 742 return err;
012ec812 743 }
9a97e705 744
012ec812 745 return 0;
f94bc1e7 746}
13159183 747
319ecf12 748void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 749{
750 if (adapter->flags & QLCNIC_MSIX_ENABLED)
751 pci_disable_msix(adapter->pdev);
752 if (adapter->flags & QLCNIC_MSI_ENABLED)
753 pci_disable_msi(adapter->pdev);
13159183
SC		 754
755 kfree(adapter->msix_entries);
756 adapter->msix_entries = NULL;
757
758 if (adapter->ahw->intr_tbl) {
759 vfree(adapter->ahw->intr_tbl);
760 adapter->ahw->intr_tbl = NULL;
761 }
af19b491
AKS		 762}
763
f1a094a8 764static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 765{
f1a094a8
RB		 766 if (ahw->pci_base0 != NULL)
767 iounmap(ahw->pci_base0);
af19b491
AKS		 768}
769
7e2cf4fe
SC		 770static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
771{
772 struct qlcnic_pci_info *pci_info;
773 int ret;
774
775 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
776 switch (adapter->ahw->port_type) {
777 case QLCNIC_GBE:
778 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
779 break;
780 case QLCNIC_XGBE:
781 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
782 break;
783 }
784 return 0;
785 }
786
787 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
788 return 0;
789
790 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
791 if (!pci_info)
792 return -ENOMEM;
793
794 ret = qlcnic_get_pci_info(adapter, pci_info);
795 kfree(pci_info);
796 return ret;
797}
d71170fb
SC		 798
799int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 800{
e88db3bd 801 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 802 int i, ret = 0, j = 0;
803 u16 act_pci_func;
346fe763
RB		 804 u8 pfn;
805
e88db3bd
DC		 806 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
807 if (!pci_info)
808 return -ENOMEM;
809
bff57d8e
SC		 810 ret = qlcnic_get_pci_info(adapter, pci_info);
811 if (ret)
812 goto err_pci_info;
813
814 act_pci_func = adapter->ahw->act_pci_func;
815
ca315ac2 816 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 817 act_pci_func, GFP_KERNEL);
e88db3bd 818 if (!adapter->npars) {
900853a4 819 ret = -ENOMEM;
e88db3bd
DC		 820 goto err_pci_info;
821 }
346fe763 822
ca315ac2 823 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 824 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
825 if (!adapter->eswitch) {
900853a4 826 ret = -ENOMEM;
ca315ac2 827 goto err_npars;
346fe763
RB		 828 }
829
ca315ac2
DC		 830 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
831 pfn = pci_info[i].id;
bff57d8e 832
0f6efff9 833 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 834 ret = QL_STATUS_INVALID_PARAM;
835 goto err_eswitch;
836 }
bff57d8e
SC		 837
838 if (!pci_info[i].active ||
839 (pci_info[i].type != QLCNIC_TYPE_NIC))
840 continue;
841
842 adapter->npars[j].pci_func = pfn;
843 adapter->npars[j].active = (u8)pci_info[i].active;
844 adapter->npars[j].type = (u8)pci_info[i].type;
845 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
846 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
847 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
848 j++;
346fe763
RB		 849 }
850
13159183 851 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 852 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 853 if (qlcnic_83xx_check(adapter))
854 qlcnic_enable_eswitch(adapter, i, 1);
855 }
ca315ac2 856
e88db3bd 857 kfree(pci_info);
ca315ac2
DC		 858 return 0;
859
860err_eswitch:
346fe763
RB		 861 kfree(adapter->eswitch);
862 adapter->eswitch = NULL;
ca315ac2 863err_npars:
346fe763 864 kfree(adapter->npars);
ca315ac2 865 adapter->npars = NULL;
e88db3bd
DC		 866err_pci_info:
867 kfree(pci_info);
346fe763
RB		 868
869 return ret;
870}
871
2e9d722d
AC		 872static int
873qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
874{
875 u8 id;
7e8fd003 876 int ret;
2e9d722d 877 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 878 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 879
2e9d722d
AC		 880 ret = qlcnic_api_lock(adapter);
881 if (ret)
882 goto err_lock;
2e9d722d 883
7e8fd003
SS		 884 id = ahw->pci_func;
885 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
886 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
887 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 888 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 889 qlcnic_api_unlock(adapter);
890err_lock:
891 return ret;
892}
893
13159183
SC		 894static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
895 const struct pci_device_id *ent)
2e9d722d 896{
2e9d722d
AC		 897 u32 op_mode, priv_level;
898
899 /* Determine FW API version */
13159183
SC		 900 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
901 QLCNIC_FW_API);
2e9d722d
AC		 902
903 /* Find PCI function number */
13159183 904 qlcnic_get_func_no(adapter);
2e9d722d
AC		 905
906 /* Determine function privilege level */
13159183 907 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 908 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 909 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 910 else
b1fc6d3c 911 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 912
0866d96d 913 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 914 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 915 dev_info(&adapter->pdev->dev,
916 "HAL Version: %d Non Privileged function\n",
79788450 917 adapter->ahw->fw_hal_version);
9f26f547 918 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 919 } else
920 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 921}
922
15087c2b 923#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 924#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 925static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
926{
927 switch (dev_id) {
928 case PCI_DEVICE_ID_QLOGIC_QLE824X:
929 *bar = QLCNIC_82XX_BAR0_LENGTH;
930 break;
13159183 931 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 932 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 933 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 934 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 935 *bar = QLCNIC_83XX_BAR0_LENGTH;
936 break;
15087c2b
SC		 937 default:
938 *bar = 0;
939 }
940}
941
942static int qlcnic_setup_pci_map(struct pci_dev *pdev,
943 struct qlcnic_hardware_context *ahw)
af19b491 944{
15087c2b 945 u32 offset;
af19b491 946 void __iomem *mem_ptr0 = NULL;
15087c2b 947 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 948
af19b491 949 /* remap phys address */
af19b491
AKS		 950 mem_len = pci_resource_len(pdev, 0);
951
15087c2b
SC		 952 qlcnic_get_bar_length(pdev->device, &bar0_len);
953 if (mem_len >= bar0_len) {
af19b491
AKS		 954
955 mem_ptr0 = pci_ioremap_bar(pdev, 0);
956 if (mem_ptr0 == NULL) {
957 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
958 return -EIO;
959 }
960 pci_len0 = mem_len;
961 } else {
962 return -EIO;
963 }
964
f8468331 965 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 966
15087c2b
SC		 967 ahw->pci_base0 = mem_ptr0;
968 ahw->pci_len0 = pci_len0;
969 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
970 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 971
972 return 0;
973}
974
60dcbcb0
MC		 975static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
976 int index)
2343f06a
MC		 977{
978 struct pci_dev *pdev = adapter->pdev;
979 unsigned short subsystem_vendor;
980 bool ret = true;
981
982 subsystem_vendor = pdev->subsystem_vendor;
983
984 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
985 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
986 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
987 qlcnic_boards[index].sub_device == pdev->subsystem_device)
988 ret = true;
989 else
990 ret = false;
991 }
992
993 return ret;
994}
995
22999798 996static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 997{
998 struct pci_dev *pdev = adapter->pdev;
999 int i, found = 0;
1000
1001 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1002 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1003 qlcnic_boards[i].device == pdev->device &&
1004 qlcnic_validate_subsystem_id(adapter, i)) {
1005 found = 1;
1006 break;
af19b491 1007 }
af19b491
AKS		 1008 }
1009
1010 if (!found)
7f9a0c34 1011 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1012 else
1013 sprintf(name, "%pM: %s" , adapter->mac_addr,
1014 qlcnic_boards[i].short_name);
af19b491
AKS		 1015}
1016
1017static void
1018qlcnic_check_options(struct qlcnic_adapter *adapter)
1019{
a15ebd37 1020 int err;
031a4a26 1021 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1022 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1023 struct qlcnic_hardware_context *ahw = adapter->ahw;
1024 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1025
1026 prev_fw_version = adapter->fw_version;
af19b491 1027
a15ebd37
HM		 1028 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1029 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1030 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1031
1032 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1033
a15ebd37
HM		 1034 err = qlcnic_get_board_info(adapter);
1035 if (err) {
1036 dev_err(&pdev->dev, "Error getting board config info.\n");
1037 return;
1038 }
1039 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1040 if (fw_dump->tmpl_hdr == NULL ||
1041 adapter->fw_version > prev_fw_version) {
1042 if (fw_dump->tmpl_hdr)
1043 vfree(fw_dump->tmpl_hdr);
1044 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1045 dev_info(&pdev->dev,
1046 "Supports FW dump capability\n");
1047 }
1048 }
1049
13159183
SC		 1050 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1051 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1052
b1fc6d3c 1053 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1054 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1055 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1056 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1057 } else {
1058 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1059 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1060 }
1061
af19b491 1062 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1063 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1064
b1fc6d3c 1065 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1066 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1067 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1068 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1069 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1070 }
1071
099f7aa7 1072 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1073
1074 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1075
251b036a 1076 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1077}
1078
174240a8
RB		 1079static int
1080qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1081{
174240a8 1082 struct qlcnic_info nic_info;
4bd8e738 1083 int err = 0;
174240a8 1084
bff57d8e 1085 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1086 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1087 if (err)
1088 return err;
1089
79788450
SC		 1090 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1091 adapter->ahw->switch_mode = nic_info.switch_mode;
1092 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1093 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1094 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1095
1096 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1097 u32 temp;
4bd8e738
HM		 1098 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1099 if (err == -EIO)
1100 return err;
db131786 1101 adapter->ahw->extra_capability[0] = temp;
776e7bde 1102 }
79788450
SC		 1103 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1104 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1105
13159183
SC		 1106 /* Disable NPAR for 83XX */
1107 if (qlcnic_83xx_check(adapter))
1108 return err;
1109
79788450 1110 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 1111 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1112 else
1113 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1114
1115 return err;
1116}
1117
ec079a07
SC		 1118void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1119 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1120{
1121 if (esw_cfg->discard_tagged)
1122 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1123 else
1124 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1125
91b7282b
RB		 1126 if (esw_cfg->vlan_id) {
1127 adapter->rx_pvid = esw_cfg->vlan_id;
1128 adapter->tx_pvid = esw_cfg->vlan_id;
1129 } else {
1130 adapter->rx_pvid = 0;
1131 adapter->tx_pvid = 0;
1132 }
8cf61f89
AKS		 1133}
1134
8e586137 1135static int
80d5c368 1136qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1137{
1138 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1139 int err;
1140
1141 if (qlcnic_sriov_vf_check(adapter)) {
1142 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1143 if (err) {
1144 netdev_err(netdev,
1145 "Cannot add VLAN filter for VLAN id %d, err=%d",
1146 vid, err);
1147 return err;
1148 }
1149 }
1150
b9796a14 1151 set_bit(vid, adapter->vlans);
8e586137 1152 return 0;
b9796a14
AC		 1153}
1154
8e586137 1155static int
80d5c368 1156qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1157{
1158 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1159 int err;
1160
1161 if (qlcnic_sriov_vf_check(adapter)) {
1162 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1163 if (err) {
1164 netdev_err(netdev,
1165 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1166 vid, err);
1167 return err;
1168 }
1169 }
b9796a14
AC		 1170
1171 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1172 clear_bit(vid, adapter->vlans);
8e586137 1173 return 0;
b9796a14
AC		 1174}
1175
ec079a07
SC		 1176void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1177 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1178{
ee07c1a7
RB		 1179 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1180 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1181
1182 if (esw_cfg->mac_anti_spoof)
1183 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1184
7373373d
RB		 1185 if (!esw_cfg->mac_override)
1186 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1187
ee07c1a7
RB		 1188 if (!esw_cfg->promisc_mode)
1189 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1190}
1191
d71170fb 1192int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1193{
1194 struct qlcnic_esw_func_cfg esw_cfg;
1195
1196 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1197 return 0;
1198
b1fc6d3c 1199 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1200 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1201 return -EIO;
8cf61f89 1202 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1203 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1204 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1205
1206 return 0;
1207}
1208
147a9088
SS		 1209void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1210 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1211{
1212 struct net_device *netdev = adapter->netdev;
13159183
SC		 1213
1214 if (qlcnic_83xx_check(adapter))
1215 return;
0325d69b 1216
147a9088
SS		 1217 adapter->offload_flags = esw_cfg->offload_flags;
1218 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1219 netdev_update_features(netdev);
1220 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1221}
1222
0866d96d
AC		 1223static int
1224qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1225{
0866d96d
AC		 1226 u32 op_mode, priv_level;
1227 int err = 0;
1228
174240a8
RB		 1229 err = qlcnic_initialize_nic(adapter);
1230 if (err)
1231 return err;
1232
0866d96d
AC		 1233 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1234 return 0;
1235
13159183 1236 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1237 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1238
1239 if (op_mode == QLC_DEV_DRV_DEFAULT)
1240 priv_level = QLCNIC_MGMT_FUNC;
1241 else
b1fc6d3c 1242 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1243
174240a8 1244 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1245 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1246 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1247 err = qlcnic_init_pci_info(adapter);
1248 if (err)
1249 return err;
1250 /* Set privilege level for other functions */
1251 qlcnic_set_function_modes(adapter);
1252 dev_info(&adapter->pdev->dev,
1253 "HAL Version: %d, Management function\n",
79788450 1254 adapter->ahw->fw_hal_version);
0866d96d 1255 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1256 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1257 dev_info(&adapter->pdev->dev,
1258 "HAL Version: %d, Privileged function\n",
79788450 1259 adapter->ahw->fw_hal_version);
0866d96d 1260 }
174240a8 1261 }
0866d96d
AC		 1262
1263 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1264
1265 return err;
1266}
1267
d71170fb 1268int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1269{
1270 struct qlcnic_esw_func_cfg esw_cfg;
1271 struct qlcnic_npar_info *npar;
1272 u8 i;
1273
174240a8 1274 if (adapter->need_fw_reset)
0325d69b
RB		 1275 return 0;
1276
bff57d8e 1277 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1278 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1279 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1280 esw_cfg.mac_override = BIT_0;
ee07c1a7 1281 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1282 if (qlcnic_82xx_check(adapter)) {
1283 esw_cfg.offload_flags = BIT_0;
1284 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1285 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1286 }
0325d69b
RB		 1287 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1288 return -EIO;
1289 npar = &adapter->npars[i];
1290 npar->pvid = esw_cfg.vlan_id;
7373373d 1291 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1292 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1293 npar->discard_tagged = esw_cfg.discard_tagged;
1294 npar->promisc_mode = esw_cfg.promisc_mode;
1295 npar->offload_flags = esw_cfg.offload_flags;
1296 }
1297
1298 return 0;
1299}
1300
13159183 1301
4e8acb01
RB		 1302static int
1303qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1304 struct qlcnic_npar_info *npar, int pci_func)
1305{
1306 struct qlcnic_esw_func_cfg esw_cfg;
1307 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1308 esw_cfg.pci_func = pci_func;
1309 esw_cfg.vlan_id = npar->pvid;
7373373d 1310 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1311 esw_cfg.discard_tagged = npar->discard_tagged;
1312 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1313 esw_cfg.offload_flags = npar->offload_flags;
1314 esw_cfg.promisc_mode = npar->promisc_mode;
1315 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1316 return -EIO;
1317
1318 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1319 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1320 return -EIO;
1321
1322 return 0;
1323}
1324
d71170fb 1325int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1326{
4e8acb01 1327 int i, err;
cea8975e
AC		 1328 struct qlcnic_npar_info *npar;
1329 struct qlcnic_info nic_info;
bff57d8e 1330 u8 pci_func;
cea8975e 1331
bff57d8e
SC		 1332 if (qlcnic_82xx_check(adapter))
1333 if (!adapter->need_fw_reset)
1334 return 0;
cea8975e 1335
4e8acb01 1336 /* Set the NPAR config data after FW reset */
bff57d8e 1337 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1338 npar = &adapter->npars[i];
bff57d8e
SC		 1339 pci_func = npar->pci_func;
1340 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1341 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1342 if (err)
1343 return err;
1344 nic_info.min_tx_bw = npar->min_bw;
1345 nic_info.max_tx_bw = npar->max_bw;
1346 err = qlcnic_set_nic_info(adapter, &nic_info);
1347 if (err)
1348 return err;
cea8975e 1349
4e8acb01
RB		 1350 if (npar->enable_pm) {
1351 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1352 npar->dest_npar, 1,
1353 pci_func);
4e8acb01
RB		 1354 if (err)
1355 return err;
cea8975e 1356 }
bff57d8e 1357 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1358 if (err)
1359 return err;
cea8975e 1360 }
4e8acb01 1361 return 0;
cea8975e
AC		 1362}
1363
78f84e1a
AKS		 1364static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1365{
1366 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1367 u32 npar_state;
1368
79788450 1369 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1370 return 0;
1371
a15ebd37
HM		 1372 npar_state = QLC_SHARED_REG_RD32(adapter,
1373 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1374 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1375 msleep(1000);
a15ebd37
HM		 1376 npar_state = QLC_SHARED_REG_RD32(adapter,
1377 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1378 }
1379 if (!npar_opt_timeo) {
1380 dev_err(&adapter->pdev->dev,
8a168ca7 1381 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1382 return -EIO;
1383 }
1384 return 0;
1385}
1386
174240a8
RB		 1387static int
1388qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1389{
1390 int err;
1391
1392 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1393 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1394 return 0;
1395
1396 err = qlcnic_set_default_offload_settings(adapter);
1397 if (err)
1398 return err;
1399
1400 err = qlcnic_reset_npar_config(adapter);
1401 if (err)
1402 return err;
1403
1404 qlcnic_dev_set_npar_ready(adapter);
1405
1406 return err;
1407}
1408
7e2cf4fe 1409int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1410{
d4066833 1411 int err;
af19b491 1412
aa5e18c0
SC		 1413 err = qlcnic_can_start_firmware(adapter);
1414 if (err < 0)
1415 return err;
1416 else if (!err)
d4066833 1417 goto check_fw_status;
af19b491 1418
099f7aa7 1419 if (qlcnic_load_fw_file)
4d5bdb38 1420 qlcnic_request_firmware(adapter);
8f891387 1421 else {
8cfdce08
SC		 1422 err = qlcnic_check_flash_fw_ver(adapter);
1423 if (err)
8f891387 1424 goto err_out;
1425
79788450 1426 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1427 }
af19b491
AKS		 1428
1429 err = qlcnic_need_fw_reset(adapter);
af19b491 1430 if (err == 0)
4e70812b 1431 goto check_fw_status;
af19b491 1432
d4066833
SC		 1433 err = qlcnic_pinit_from_rom(adapter);
1434 if (err)
1435 goto err_out;
af19b491
AKS		 1436
1437 err = qlcnic_load_firmware(adapter);
1438 if (err)
1439 goto err_out;
1440
1441 qlcnic_release_firmware(adapter);
d4066833 1442 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1443
d4066833
SC		 1444check_fw_status:
1445 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1446 if (err)
1447 goto err_out;
1448
a15ebd37 1449 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1450 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1451 err = qlcnic_check_eswitch_mode(adapter);
1452 if (err) {
1453 dev_err(&adapter->pdev->dev,
1454 "Memory allocation failed for eswitch\n");
1455 goto err_out;
1456 }
174240a8
RB		 1457 err = qlcnic_set_mgmt_operations(adapter);
1458 if (err)
1459 goto err_out;
1460
1461 qlcnic_check_options(adapter);
af19b491
AKS		 1462 adapter->need_fw_reset = 0;
1463
a7fc948f
AKS		 1464 qlcnic_release_firmware(adapter);
1465 return 0;
af19b491
AKS		 1466
1467err_out:
a15ebd37 1468 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1469 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1470
af19b491
AKS		 1471 qlcnic_release_firmware(adapter);
1472 return err;
1473}
1474
1475static int
1476qlcnic_request_irq(struct qlcnic_adapter *adapter)
1477{
1478 irq_handler_t handler;
1479 struct qlcnic_host_sds_ring *sds_ring;
13159183 1480 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1481 int err, ring, num_sds_rings;
af19b491
AKS		 1482
1483 unsigned long flags = 0;
1484 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1485 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1486
79788450 1487 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1488 if (qlcnic_82xx_check(adapter))
1489 handler = qlcnic_tmp_intr;
c2534384
MC		 1490 else
1491 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1492 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1493 flags |= IRQF_SHARED;
1494
1495 } else {
1496 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1497 handler = qlcnic_msix_intr;
1498 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1499 handler = qlcnic_msi_intr;
1500 else {
1501 flags |= IRQF_SHARED;
ac166700
HM		 1502 if (qlcnic_82xx_check(adapter))
1503 handler = qlcnic_intr;
1504 else
1505 handler = qlcnic_83xx_intr;
7eb9855d 1506 }
af19b491
AKS		 1507 }
1508 adapter->irq = netdev->irq;
1509
13159183 1510 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1511 if (qlcnic_82xx_check(adapter) ||
1512 (qlcnic_83xx_check(adapter) &&
1513 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1514 num_sds_rings = adapter->max_sds_rings;
1515 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1516 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1517 if (qlcnic_82xx_check(adapter) &&
012ec812 1518 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1519 (ring == (num_sds_rings - 1))) {
1520 if (!(adapter->flags &
1521 QLCNIC_MSIX_ENABLED))
1522 snprintf(sds_ring->name,
1523 sizeof(sds_ring->name),
1524 "qlcnic");
1525 else
1526 snprintf(sds_ring->name,
1527 sizeof(sds_ring->name),
1528 "%s-tx-0-rx-%d",
1529 netdev->name, ring);
1530 } else {
ddb2e174
HM		 1531 snprintf(sds_ring->name,
1532 sizeof(sds_ring->name),
aa2a8034 1533 "%s-rx-%d",
ddb2e174 1534 netdev->name, ring);
aa2a8034 1535 }
ac166700
HM		 1536 err = request_irq(sds_ring->irq, handler, flags,
1537 sds_ring->name, sds_ring);
1538 if (err)
1539 return err;
1540 }
13159183 1541 }
012ec812
HM		 1542 if ((qlcnic_82xx_check(adapter) &&
1543 qlcnic_check_multi_tx(adapter)) ||
1544 (qlcnic_83xx_check(adapter) &&
1545 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1546 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183
SC		 1547 handler = qlcnic_msix_tx_intr;
1548 for (ring = 0; ring < adapter->max_drv_tx_rings;
1549 ring++) {
1550 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1551 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1552 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1553 err = request_irq(tx_ring->irq, handler, flags,
1554 tx_ring->name, tx_ring);
1555 if (err)
1556 return err;
1557 }
1558 }
af19b491 1559 }
af19b491
AKS		 1560 return 0;
1561}
1562
1563static void
1564qlcnic_free_irq(struct qlcnic_adapter *adapter)
1565{
1566 int ring;
1567 struct qlcnic_host_sds_ring *sds_ring;
13159183 1568 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1569
b1fc6d3c 1570 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1571
13159183 1572 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1573 if (qlcnic_82xx_check(adapter) ||
1574 (qlcnic_83xx_check(adapter) &&
1575 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1576 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1577 sds_ring = &recv_ctx->sds_rings[ring];
1578 free_irq(sds_ring->irq, sds_ring);
1579 }
13159183 1580 }
012ec812
HM		 1581 if ((qlcnic_83xx_check(adapter) &&
1582 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1583 (qlcnic_82xx_check(adapter) &&
1584 qlcnic_check_multi_tx(adapter))) {
13159183
SC		 1585 for (ring = 0; ring < adapter->max_drv_tx_rings;
1586 ring++) {
1587 tx_ring = &adapter->tx_ring[ring];
1588 if (tx_ring->irq)
1589 free_irq(tx_ring->irq, tx_ring);
1590 }
1591 }
af19b491
AKS		 1592 }
1593}
1594
99e85879
SS		 1595static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1596{
1597 u32 capab = 0;
1598
1599 if (qlcnic_82xx_check(adapter)) {
db131786 1600 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1601 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1602 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1603 } else {
1604 capab = adapter->ahw->capabilities;
1605 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1606 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1607 }
1608}
1609
319ecf12 1610int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1611{
8a15ad1f
AKS		 1612 int ring;
1613 struct qlcnic_host_rds_ring *rds_ring;
1614
af19b491
AKS		 1615 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1616 return -EIO;
1617
8a15ad1f
AKS		 1618 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1619 return 0;
012ec812 1620
0325d69b
RB		 1621 if (qlcnic_set_eswitch_port_config(adapter))
1622 return -EIO;
012ec812 1623
99e85879 1624 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1625
8a15ad1f
AKS		 1626 if (qlcnic_fw_create_ctx(adapter))
1627 return -EIO;
1628
1629 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1630 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1631 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1632 }
1633
af19b491
AKS		 1634 qlcnic_set_multi(netdev);
1635 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1636
b1fc6d3c 1637 adapter->ahw->linkup = 0;
af19b491
AKS		 1638
1639 if (adapter->max_sds_rings > 1)
1640 qlcnic_config_rss(adapter, 1);
1641
1642 qlcnic_config_intr_coalesce(adapter);
1643
24763d80 1644 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1645 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1646
cfacb172 1647 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1648 qlcnic_napi_enable(adapter);
1649
1650 qlcnic_linkevent_request(adapter, 1);
1651
79788450 1652 adapter->ahw->reset_context = 0;
af19b491
AKS		 1653 return 0;
1654}
1655
629263ac 1656int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1657{
1658 int err = 0;
1659
1660 rtnl_lock();
1661 if (netif_running(netdev))
1662 err = __qlcnic_up(adapter, netdev);
1663 rtnl_unlock();
1664
1665 return err;
1666}
1667
319ecf12 1668void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1669{
012ec812
HM		 1670 int ring;
1671
af19b491
AKS		 1672 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1673 return;
1674
1675 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1676 return;
1677
e8b508ef
RB		 1678 if (qlcnic_sriov_vf_check(adapter))
1679 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491 1680 smp_mb();
af19b491 1681 netif_carrier_off(netdev);
0a46bac0 1682 adapter->ahw->linkup = 0;
af19b491
AKS		 1683 netif_tx_disable(netdev);
1684
1685 qlcnic_free_mac_list(adapter);
1686
b5e5492c
AKS		 1687 if (adapter->fhash.fnum)
1688 qlcnic_delete_lb_filters(adapter);
1689
af19b491
AKS		 1690 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1691
1692 qlcnic_napi_disable(adapter);
1693
8a15ad1f 1694 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1695 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1696
1697 qlcnic_reset_rx_buffers_list(adapter);
012ec812
HM		 1698
1699 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1700 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1701}
1702
1703/* Usage: During suspend and firmware recovery module */
1704
629263ac 1705void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1706{
1707 rtnl_lock();
1708 if (netif_running(netdev))
1709 __qlcnic_down(adapter, netdev);
1710 rtnl_unlock();
1711
1712}
1713
319ecf12 1714int
af19b491
AKS		 1715qlcnic_attach(struct qlcnic_adapter *adapter)
1716{
1717 struct net_device *netdev = adapter->netdev;
1718 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1719 int err;
af19b491
AKS		 1720
1721 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1722 return 0;
1723
af19b491
AKS		 1724 err = qlcnic_napi_add(adapter, netdev);
1725 if (err)
1726 return err;
1727
1728 err = qlcnic_alloc_sw_resources(adapter);
1729 if (err) {
1730 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1731 goto err_out_napi_del;
af19b491
AKS		 1732 }
1733
1734 err = qlcnic_alloc_hw_resources(adapter);
1735 if (err) {
1736 dev_err(&pdev->dev, "Error in setting hw resources\n");
1737 goto err_out_free_sw;
1738 }
1739
af19b491
AKS		 1740 err = qlcnic_request_irq(adapter);
1741 if (err) {
1742 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1743 goto err_out_free_hw;
af19b491
AKS		 1744 }
1745
af19b491
AKS		 1746 qlcnic_create_sysfs_entries(adapter);
1747
1748 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1749 return 0;
1750
8a15ad1f 1751err_out_free_hw:
af19b491
AKS		 1752 qlcnic_free_hw_resources(adapter);
1753err_out_free_sw:
1754 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1755err_out_napi_del:
1756 qlcnic_napi_del(adapter);
af19b491
AKS		 1757 return err;
1758}
1759
319ecf12 1760void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1761{
1762 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1763 return;
1764
1765 qlcnic_remove_sysfs_entries(adapter);
1766
1767 qlcnic_free_hw_resources(adapter);
1768 qlcnic_release_rx_buffers(adapter);
1769 qlcnic_free_irq(adapter);
1770 qlcnic_napi_del(adapter);
1771 qlcnic_free_sw_resources(adapter);
1772
1773 adapter->is_up = 0;
1774}
1775
7eb9855d
AKS		 1776void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1777{
1778 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1779 struct qlcnic_host_sds_ring *sds_ring;
c2c5e3a0 1780 int max_tx_rings = adapter->max_drv_tx_rings;
7eb9855d
AKS		 1781 int ring;
1782
78ad3892 1783 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1784 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1785 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1786 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1787 qlcnic_disable_int(sds_ring);
cdaff185 1788 }
7eb9855d
AKS		 1789 }
1790
8a15ad1f
AKS		 1791 qlcnic_fw_destroy_ctx(adapter);
1792
7eb9855d
AKS		 1793 qlcnic_detach(adapter);
1794
79788450 1795 adapter->ahw->diag_test = 0;
7eb9855d 1796 adapter->max_sds_rings = max_sds_rings;
c2c5e3a0 1797 adapter->max_drv_tx_rings = max_tx_rings;
7eb9855d
AKS		 1798
1799 if (qlcnic_attach(adapter))
34ce3626 1800 goto out;
7eb9855d
AKS		 1801
1802 if (netif_running(netdev))
1803 __qlcnic_up(adapter, netdev);
34ce3626 1804out:
7eb9855d
AKS		 1805 netif_device_attach(netdev);
1806}
1807
b1fc6d3c
AC		 1808static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1809{
be273dc1 1810 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1811 int err = 0;
be273dc1 1812
b1fc6d3c
AC		 1813 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1814 GFP_KERNEL);
1815 if (!adapter->recv_ctx) {
b1fc6d3c 1816 err = -ENOMEM;
8816d009 1817 goto err_out;
b1fc6d3c 1818 }
8816d009 1819 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1820 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1821 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1822 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1823 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1824 if (qlcnic_83xx_check(adapter)) {
1825 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1826 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1827 }
4be41e92
SC		 1828 /* clear stats */
1829 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1830err_out:
1831 return err;
1832}
1833
1834static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1835{
1836 kfree(adapter->recv_ctx);
1837 adapter->recv_ctx = NULL;
1838
18f2f616
AC		 1839 if (adapter->ahw->fw_dump.tmpl_hdr) {
1840 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1841 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1842 }
4be41e92 1843
81d0aeb0 1844 kfree(adapter->ahw->reset.buff);
4be41e92 1845 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1846}
1847
7eb9855d
AKS		 1848int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1849{
1850 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1851 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1852 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1853 int ring;
1854 int ret;
1855
1856 netif_device_detach(netdev);
1857
1858 if (netif_running(netdev))
1859 __qlcnic_down(adapter, netdev);
1860
1861 qlcnic_detach(adapter);
1862
1863 adapter->max_sds_rings = 1;
79788450 1864 adapter->ahw->diag_test = test;
4be41e92 1865 adapter->ahw->linkup = 0;
c2c5e3a0 1866 adapter->max_drv_tx_rings = 1;
7eb9855d
AKS		 1867
1868 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1869 if (ret) {
1870 netif_device_attach(netdev);
7eb9855d 1871 return ret;
34ce3626 1872 }
7eb9855d 1873
8a15ad1f
AKS		 1874 ret = qlcnic_fw_create_ctx(adapter);
1875 if (ret) {
1876 qlcnic_detach(adapter);
57e46248 1877 netif_device_attach(netdev);
8a15ad1f
AKS		 1878 return ret;
1879 }
1880
1881 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1882 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1883 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1884 }
1885
79788450 1886 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1887 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1888 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1889 qlcnic_enable_int(sds_ring);
cdaff185 1890 }
7eb9855d 1891 }
22c8c934 1892
79788450 1893 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1894 adapter->ahw->loopback_state = 0;
1895 qlcnic_linkevent_request(adapter, 1);
1896 }
1897
78ad3892 1898 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1899
1900 return 0;
1901}
1902
68bf1c68
AKS		 1903/* Reset context in hardware only */
1904static int
1905qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1906{
1907 struct net_device *netdev = adapter->netdev;
1908
1909 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1910 return -EBUSY;
1911
1912 netif_device_detach(netdev);
1913
1914 qlcnic_down(adapter, netdev);
1915
1916 qlcnic_up(adapter, netdev);
1917
1918 netif_device_attach(netdev);
1919
1920 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1921 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1922 return 0;
1923}
1924
af19b491
AKS		 1925int
1926qlcnic_reset_context(struct qlcnic_adapter *adapter)
1927{
1928 int err = 0;
1929 struct net_device *netdev = adapter->netdev;
1930
1931 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1932 return -EBUSY;
1933
1934 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1935
1936 netif_device_detach(netdev);
1937
1938 if (netif_running(netdev))
1939 __qlcnic_down(adapter, netdev);
1940
1941 qlcnic_detach(adapter);
1942
1943 if (netif_running(netdev)) {
1944 err = qlcnic_attach(adapter);
1d5c88e3 1945 if (!err) {
34ce3626 1946 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1947 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1948 }
af19b491
AKS		 1949 }
1950
1951 netif_device_attach(netdev);
1952 }
1953
af19b491
AKS		 1954 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1955 return err;
1956}
1957
52e493d0
JK		 1958void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1959{
1960 struct qlcnic_hardware_context *ahw = adapter->ahw;
1961 u16 act_pci_fn = ahw->act_pci_func;
1962 u16 count;
1963
1964 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1965 if (act_pci_fn <= 2)
1966 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
1967 act_pci_fn;
1968 else
1969 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
1970 act_pci_fn;
1971 ahw->max_uc_count = count;
1972}
1973
f8468331 1974int
5ad6ff9d
SC		 1975qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1976 int pci_using_dac)
af19b491
AKS		 1977{
1978 int err;
1979 struct pci_dev *pdev = adapter->pdev;
1980
13159183 1981 adapter->rx_csum = 1;
79788450 1982 adapter->ahw->mc_enabled = 0;
52e493d0 1983 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 1984
1985 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1986 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1987
1988 qlcnic_change_mtu(netdev, netdev->mtu);
1989
d1a1105e
RB		 1990 if (qlcnic_sriov_vf_check(adapter))
1991 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1992 else
1993 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1994
7e38d04b 1995 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1996 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1997 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1998 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1999 NETIF_F_IPV6_CSUM);
ac8d0c4f 2000
13159183
SC		 2001 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2002 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2003 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2004 }
af19b491 2005
13159183
SC		 2006 if (pci_using_dac) {
2007 netdev->features |= NETIF_F_HIGHDMA;
2008 netdev->vlan_features |= NETIF_F_HIGHDMA;
2009 }
af19b491 2010
13159183 2011 if (qlcnic_vlan_tx_check(adapter))
f646968f 2012 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2013
91b7282b
RB		 2014 if (qlcnic_sriov_vf_check(adapter))
2015 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2016
13159183
SC		 2017 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2018 netdev->features |= NETIF_F_LRO;
135d84a9 2019
7e38d04b 2020 netdev->hw_features = netdev->features;
52e493d0 2021 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2022 netdev->irq = adapter->msix_entries[0].vector;
2023
aa4a1f7d
HM		 2024 err = qlcnic_set_real_num_queues(adapter, netdev);
2025 if (err)
2026 return err;
012ec812 2027
af19b491
AKS		 2028 err = register_netdev(netdev);
2029 if (err) {
2030 dev_err(&pdev->dev, "failed to register net device\n");
2031 return err;
2032 }
2033
48365e48
SC		 2034 qlcnic_dcb_init_dcbnl_ops(adapter);
2035
af19b491
AKS		 2036 return 0;
2037}
2038
5ad6ff9d 2039static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2040{
2041 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2042 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2043 *pci_using_dac = 1;
2044 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2045 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2046 *pci_using_dac = 0;
2047 else {
2048 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2049 return -EIO;
2050 }
2051
2052 return 0;
2053}
2054
4be41e92
SC		 2055void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2056{
2057 int ring;
2058 struct qlcnic_host_tx_ring *tx_ring;
2059
2060 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2061 tx_ring = &adapter->tx_ring[ring];
2062 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2063 vfree(tx_ring->cmd_buf_arr);
2064 tx_ring->cmd_buf_arr = NULL;
2065 }
2066 }
2067 if (adapter->tx_ring != NULL)
2068 kfree(adapter->tx_ring);
2069}
2070
2071int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2072 struct net_device *netdev)
2073{
b2adaca9 2074 int ring, vector, index;
4be41e92
SC		 2075 struct qlcnic_host_tx_ring *tx_ring;
2076 struct qlcnic_cmd_buffer *cmd_buf_arr;
2077
b2adaca9
JP		 2078 tx_ring = kcalloc(adapter->max_drv_tx_rings,
2079 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2080 if (tx_ring == NULL)
4be41e92 2081 return -ENOMEM;
b2adaca9 2082
4be41e92
SC		 2083 adapter->tx_ring = tx_ring;
2084
2085 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2086 tx_ring = &adapter->tx_ring[ring];
2087 tx_ring->num_desc = adapter->num_txd;
2088 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2089 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2090 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2091 qlcnic_free_tx_rings(adapter);
2092 return -ENOMEM;
2093 }
2094 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2095 tx_ring->cmd_buf_arr = cmd_buf_arr;
2096 }
2097
012ec812
HM		 2098 if (qlcnic_83xx_check(adapter) ||
2099 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
4be41e92
SC		 2100 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2101 tx_ring = &adapter->tx_ring[ring];
2102 tx_ring->adapter = adapter;
2103 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2104 index = adapter->max_sds_rings + ring;
2105 vector = adapter->msix_entries[index].vector;
2106 tx_ring->irq = vector;
2107 }
2108 }
2109 }
012ec812 2110
4be41e92
SC		 2111 return 0;
2112}
2113
8af3f33d
PP		 2114void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2115{
2116 struct qlcnic_hardware_context *ahw = adapter->ahw;
2117 u32 fw_cmd = 0;
2118
2119 if (qlcnic_82xx_check(adapter))
2120 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2121 else if (qlcnic_83xx_check(adapter))
2122 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2123
2124 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2125 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2126 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2127}
2128
14d385b9
SC		 2129static int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
2130{
2131 return __qlcnic_register_dcb(adapter);
2132}
2133
2134void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter)
2135{
2136 kfree(adapter->dcb);
2137 adapter->dcb = NULL;
2138}
2139
6bb58bb0 2140static int
af19b491
AKS		 2141qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2142{
2143 struct net_device *netdev = NULL;
2144 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2145 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2146 int err, pci_using_dac = -1;
7bc48646 2147 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 2148
f8468331
RB		 2149 if (pdev->is_virtfn)
2150 return -ENODEV;
2151
af19b491
AKS		 2152 err = pci_enable_device(pdev);
2153 if (err)
2154 return err;
2155
2156 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2157 err = -ENODEV;
2158 goto err_out_disable_pdev;
2159 }
2160
1bb09fb9
AKS		 2161 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2162 if (err)
2163 goto err_out_disable_pdev;
2164
af19b491
AKS		 2165 err = pci_request_regions(pdev, qlcnic_driver_name);
2166 if (err)
2167 goto err_out_disable_pdev;
2168
2169 pci_set_master(pdev);
451724c8 2170 pci_enable_pcie_error_reporting(pdev);
af19b491 2171
7e2cf4fe 2172 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2173 if (!ahw) {
2174 err = -ENOMEM;
7e2cf4fe 2175 goto err_out_free_res;
02135582 2176 }
7e2cf4fe 2177
f8468331
RB		 2178 switch (ent->device) {
2179 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2180 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2181 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2182 break;
2183 case PCI_DEVICE_ID_QLOGIC_QLE834X:
15ca140f 2184 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2185 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2186 break;
2187 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2188 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2189 qlcnic_sriov_vf_register_map(ahw);
2190 break;
2191 default:
13159183 2192 goto err_out_free_hw_res;
7e2cf4fe
SC		 2193 }
2194
2195 err = qlcnic_setup_pci_map(pdev, ahw);
2196 if (err)
2197 goto err_out_free_hw_res;
2198
012ec812
HM		 2199 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2200 QLCNIC_MAX_TX_RINGS);
af19b491 2201 if (!netdev) {
af19b491 2202 err = -ENOMEM;
7e2cf4fe 2203 goto err_out_iounmap;
af19b491
AKS		 2204 }
2205
2206 SET_NETDEV_DEV(netdev, &pdev->dev);
2207
2208 adapter = netdev_priv(netdev);
2209 adapter->netdev = netdev;
2210 adapter->pdev = pdev;
13159183
SC		 2211 adapter->ahw = ahw;
2212
2213 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2214 if (adapter->qlcnic_wq == NULL) {
02135582 2215 err = -ENOMEM;
13159183
SC		 2216 dev_err(&pdev->dev, "Failed to create workqueue\n");
2217 goto err_out_free_netdev;
2218 }
af19b491 2219
2dfc9671
PST		 2220 err = qlcnic_alloc_adapter_resources(adapter);
2221 if (err)
b1fc6d3c
AC		 2222 goto err_out_free_netdev;
2223
2224 adapter->dev_rst_time = jiffies;
7e2cf4fe 2225 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 2226 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2227 adapter->fdb_mac_learn = true;
2228 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2229 adapter->drv_mac_learn = true;
af19b491 2230
b1fc6d3c
AC		 2231 rwlock_init(&adapter->ahw->crb_lock);
2232 mutex_init(&adapter->ahw->mem_lock);
af19b491 2233
af19b491
AKS		 2234 INIT_LIST_HEAD(&adapter->mac_list);
2235
14d385b9
SC		 2236 qlcnic_register_dcb(adapter);
2237
7e2cf4fe 2238 if (qlcnic_82xx_check(adapter)) {
13159183 2239 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 2240 adapter->portnum = adapter->ahw->pci_func;
2241 err = qlcnic_start_firmware(adapter);
2242 if (err) {
2243 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2244 goto err_out_free_hw;
2245 }
af19b491 2246
012ec812
HM		 2247 qlcnic_get_multiq_capability(adapter);
2248
2249 if ((adapter->ahw->act_pci_func > 2) &&
2250 qlcnic_check_multi_tx(adapter)) {
2251 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2252 dev_info(&adapter->pdev->dev,
2253 "vNIC mode enabled, Set max TX rings = %d\n",
2254 adapter->max_drv_tx_rings);
2255 }
2256
2257 if (!qlcnic_check_multi_tx(adapter)) {
2258 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2259 adapter->max_drv_tx_rings = 1;
2260 }
7e2cf4fe
SC		 2261 err = qlcnic_setup_idc_param(adapter);
2262 if (err)
2263 goto err_out_free_hw;
b0044bcf 2264
7e2cf4fe 2265 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9
SC		 2266
2267 if (adapter->dcb && qlcnic_dcb_attach(adapter))
2268 qlcnic_clear_dcb_ops(adapter);
2269
13159183 2270 } else if (qlcnic_83xx_check(adapter)) {
012ec812 2271 adapter->max_drv_tx_rings = 1;
13159183
SC		 2272 qlcnic_83xx_check_vf(adapter, ent);
2273 adapter->portnum = adapter->ahw->pci_func;
f8468331 2274 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 2275 if (err) {
2276 dev_err(&pdev->dev, "%s: failed\n", __func__);
2277 goto err_out_free_hw;
2278 }
f8468331
RB		 2279 if (qlcnic_sriov_vf_check(adapter))
2280 return 0;
13159183
SC		 2281 } else {
2282 dev_err(&pdev->dev,
2283 "%s: failed. Please Reboot\n", __func__);
2284 goto err_out_free_hw;
a7fc948f 2285 }
af19b491 2286
da48e6c3
RB		 2287 if (qlcnic_read_mac_addr(adapter))
2288 dev_warn(&pdev->dev, "failed to read mac addr\n");
2289
07a251c8
SS		 2290 qlcnic_read_phys_port_id(adapter);
2291
da48e6c3 2292 if (adapter->portnum == 0) {
22999798 2293 qlcnic_get_board_name(adapter, board_name);
13159183 2294
da48e6c3 2295 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2296 module_name(THIS_MODULE),
2297 board_name, adapter->ahw->revision_id);
da48e6c3 2298 }
460374f7
HM		 2299
2300 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2301 !!qlcnic_use_msi)
2302 dev_warn(&pdev->dev,
01b91f4c 2303 "Device does not support MSI interrupts\n");
460374f7 2304
068a8d19 2305 if (qlcnic_82xx_check(adapter)) {
aa4a1f7d 2306 err = qlcnic_setup_intr(adapter, 0, 0);
068a8d19
MC		 2307 if (err) {
2308 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2309 goto err_out_disable_msi;
068a8d19 2310 }
13159183 2311 }
af19b491 2312
02135582
SC		 2313 err = qlcnic_get_act_pci_func(adapter);
2314 if (err)
2315 goto err_out_disable_mbx_intr;
2316
1bb09fb9 2317 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2318 if (err)
7e2cf4fe 2319 goto err_out_disable_mbx_intr;
af19b491 2320
24866d15
HM		 2321 if (adapter->portnum == 0)
2322 qlcnic_set_drv_version(adapter);
c84e340a 2323
af19b491
AKS		 2324 pci_set_drvdata(pdev, adapter);
2325
97ee45eb
SC		 2326 if (qlcnic_82xx_check(adapter))
2327 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2328 FW_POLL_DELAY);
af19b491 2329
b1fc6d3c 2330 switch (adapter->ahw->port_type) {
af19b491
AKS		 2331 case QLCNIC_GBE:
2332 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2333 adapter->netdev->name);
2334 break;
2335 case QLCNIC_XGBE:
2336 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2337 adapter->netdev->name);
2338 break;
2339 }
2340
fe1adc6b 2341 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2342 qlcnic_alloc_lb_filters_mem(adapter);
2343
7e2cf4fe 2344 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2345
2346 return 0;
2347
7e2cf4fe 2348err_out_disable_mbx_intr:
7dd90cf1 2349 if (qlcnic_83xx_check(adapter))
13159183 2350 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2351
af19b491
AKS		 2352err_out_disable_msi:
2353 qlcnic_teardown_intr(adapter);
7e2cf4fe 2354 qlcnic_cancel_idc_work(adapter);
21854f02 2355 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2356
b1fc6d3c
AC		 2357err_out_free_hw:
2358 qlcnic_free_adapter_resources(adapter);
2359
af19b491
AKS		 2360err_out_free_netdev:
2361 free_netdev(netdev);
2362
7e2cf4fe 2363err_out_iounmap:
f1a094a8 2364 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2365
2366err_out_free_hw_res:
2367 kfree(ahw);
2368
af19b491
AKS		 2369err_out_free_res:
2370 pci_release_regions(pdev);
2371
2372err_out_disable_pdev:
2373 pci_set_drvdata(pdev, NULL);
2374 pci_disable_device(pdev);
2375 return err;
2376}
2377
6bb58bb0 2378static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2379{
2380 struct qlcnic_adapter *adapter;
2381 struct net_device *netdev;
13159183 2382 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2383
2384 adapter = pci_get_drvdata(pdev);
2385 if (adapter == NULL)
2386 return;
2387
2388 netdev = adapter->netdev;
02feda17 2389 qlcnic_sriov_pf_disable(adapter);
af19b491 2390
13159183
SC		 2391 qlcnic_cancel_idc_work(adapter);
2392 ahw = adapter->ahw;
af19b491 2393
14d385b9
SC		 2394 qlcnic_dcb_free(adapter);
2395
af19b491 2396 unregister_netdev(netdev);
02feda17 2397 qlcnic_sriov_cleanup(adapter);
af19b491 2398
13159183 2399 if (qlcnic_83xx_check(adapter)) {
3d73b5fd
JK		 2400 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2401 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2402 qlcnic_83xx_free_mbx_intr(adapter);
2403 qlcnic_83xx_detach_mailbox_work(adapter);
2404 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2405 kfree(ahw->fw_info);
13159183
SC		 2406 }
2407
af19b491
AKS		 2408 qlcnic_detach(adapter);
2409
2e9d722d
AC		 2410 if (adapter->npars != NULL)
2411 kfree(adapter->npars);
2412 if (adapter->eswitch != NULL)
2413 kfree(adapter->eswitch);
2414
97ee45eb
SC		 2415 if (qlcnic_82xx_check(adapter))
2416 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2417
2418 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2419
b5e5492c
AKS		 2420 qlcnic_free_lb_filters_mem(adapter);
2421
af19b491
AKS		 2422 qlcnic_teardown_intr(adapter);
2423
13159183 2424 qlcnic_remove_sysfs(adapter);
af19b491 2425
f1a094a8 2426 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2427
2428 qlcnic_release_firmware(adapter);
2429
451724c8 2430 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2431 pci_release_regions(pdev);
2432 pci_disable_device(pdev);
2433 pci_set_drvdata(pdev, NULL);
2434
13159183
SC		 2435 if (adapter->qlcnic_wq) {
2436 destroy_workqueue(adapter->qlcnic_wq);
2437 adapter->qlcnic_wq = NULL;
2438 }
14d385b9 2439
b1fc6d3c 2440 qlcnic_free_adapter_resources(adapter);
13159183 2441 kfree(ahw);
af19b491
AKS		 2442 free_netdev(netdev);
2443}
af19b491
AKS		 2444
2445static void qlcnic_shutdown(struct pci_dev *pdev)
2446{
2447 if (__qlcnic_shutdown(pdev))
2448 return;
2449
2450 pci_disable_device(pdev);
2451}
2452
2453#ifdef CONFIG_PM
486a5bc7 2454static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2455{
2456 int retval;
2457
2458 retval = __qlcnic_shutdown(pdev);
2459 if (retval)
2460 return retval;
2461
2462 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2463 return 0;
2464}
2465
486a5bc7 2466static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2467{
2468 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2469 int err;
2470
2471 err = pci_enable_device(pdev);
2472 if (err)
2473 return err;
2474
2475 pci_set_power_state(pdev, PCI_D0);
2476 pci_set_master(pdev);
2477 pci_restore_state(pdev);
2478
486a5bc7 2479 return __qlcnic_resume(adapter);
af19b491
AKS		 2480}
2481#endif
2482
2483static int qlcnic_open(struct net_device *netdev)
2484{
2485 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2486 int err;
2487
c55ad8e5
AKS		 2488 netif_carrier_off(netdev);
2489
af19b491
AKS		 2490 err = qlcnic_attach(adapter);
2491 if (err)
2492 return err;
2493
2494 err = __qlcnic_up(adapter, netdev);
2495 if (err)
2496 goto err_out;
2497
012ec812 2498 netif_tx_start_all_queues(netdev);
af19b491
AKS		 2499
2500 return 0;
2501
2502err_out:
2503 qlcnic_detach(adapter);
2504 return err;
2505}
2506
2507/*
2508 * qlcnic_close - Disables a network interface entry point
2509 */
2510static int qlcnic_close(struct net_device *netdev)
2511{
2512 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2513
2514 __qlcnic_down(adapter, netdev);
13159183 2515
af19b491
AKS		 2516 return 0;
2517}
2518
e5dcf6dc 2519void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2520{
2521 void *head;
2522 int i;
13159183
SC		 2523 struct net_device *netdev = adapter->netdev;
2524 u32 filter_size = 0;
2525 u16 act_pci_func = 0;
b5e5492c 2526
e5dcf6dc 2527 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2528 return;
2529
13159183 2530 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2531 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2532 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2533
13159183
SC		 2534 if (qlcnic_82xx_check(adapter)) {
2535 filter_size = QLCNIC_LB_MAX_FILTERS;
2536 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2537 } else {
2538 filter_size = QLC_83XX_LB_MAX_FILTERS;
2539 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2540 }
2541
2542 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2543 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2544
b5e5492c
AKS		 2545 if (!head)
2546 return;
2547
13159183 2548 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2549 adapter->fhash.fhead = head;
b5e5492c 2550
13159183
SC		 2551 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2552 act_pci_func, adapter->fhash.fmax);
2553
2554 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2555 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2556
2557 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2558
2559 head = kcalloc(adapter->rx_fhash.fbucket_size,
2560 sizeof(struct hlist_head), GFP_ATOMIC);
2561
2562 if (!head)
2563 return;
2564
2565 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2566 adapter->rx_fhash.fhead = head;
2567
2568 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2569 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2570}
2571
2572static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2573{
2574 if (adapter->fhash.fmax && adapter->fhash.fhead)
2575 kfree(adapter->fhash.fhead);
2576
2577 adapter->fhash.fhead = NULL;
2578 adapter->fhash.fmax = 0;
53643a75
SS		 2579
2580 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2581 kfree(adapter->rx_fhash.fhead);
2582
2583 adapter->rx_fhash.fmax = 0;
2584 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2585}
2586
629263ac 2587int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2588{
2589 struct net_device *netdev = adapter->netdev;
97ee45eb 2590 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2591 int rv = 0;
2592
13159183
SC		 2593 if (qlcnic_83xx_check(adapter))
2594 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2595
97ee45eb 2596 if (qlcnic_82xx_check(adapter))
a15ebd37 2597 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2598
2599 temp_state = qlcnic_get_temp_state(temp);
2600 temp_val = qlcnic_get_temp_val(temp);
2601
2602 if (temp_state == QLCNIC_TEMP_PANIC) {
2603 dev_err(&netdev->dev,
2604 "Device temperature %d degrees C exceeds"
2605 " maximum allowed. Hardware has been shut down.\n",
2606 temp_val);
2607 rv = 1;
2608 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2609 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2610 dev_err(&netdev->dev,
2611 "Device temperature %d degrees C "
2612 "exceeds operating range."
2613 " Immediate action needed.\n",
2614 temp_val);
2615 }
2616 } else {
79788450 2617 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2618 dev_info(&netdev->dev,
2619 "Device temperature is now %d degrees C"
2620 " in normal range.\n", temp_val);
2621 }
2622 }
79788450 2623 adapter->ahw->temp = temp_state;
af19b491
AKS		 2624 return rv;
2625}
2626
af19b491
AKS		 2627static void qlcnic_tx_timeout(struct net_device *netdev)
2628{
2629 struct qlcnic_adapter *adapter = netdev_priv(netdev);
012ec812
HM		 2630 struct qlcnic_host_tx_ring *tx_ring;
2631 int ring;
af19b491
AKS		 2632
2633 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2634 return;
2635
536faa61
SC		 2636 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2637 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2638 if (qlcnic_82xx_check(adapter))
2639 adapter->need_fw_reset = 1;
2640 else if (qlcnic_83xx_check(adapter))
2641 qlcnic_83xx_idc_request_reset(adapter,
2642 QLCNIC_FORCE_FW_DUMP_KEY);
2643 } else {
2644 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
012ec812
HM		 2645 if (qlcnic_82xx_check(adapter)) {
2646 for (ring = 0; ring < adapter->max_drv_tx_rings;
2647 ring++) {
2648 tx_ring = &adapter->tx_ring[ring];
2649 dev_info(&netdev->dev, "ring=%d\n", ring);
2650 dev_info(&netdev->dev, "crb_intr_mask=%d\n",
2651 readl(tx_ring->crb_intr_mask));
2652 dev_info(&netdev->dev, "producer=%d\n",
2653 readl(tx_ring->crb_cmd_producer));
2654 dev_info(&netdev->dev, "sw_consumer = %d\n",
2655 tx_ring->sw_consumer);
2656 dev_info(&netdev->dev, "hw_consumer = %d\n",
2657 le32_to_cpu(*(tx_ring->hw_consumer)));
2658 dev_info(&netdev->dev, "xmit-on=%llu\n",
2659 tx_ring->xmit_on);
2660 dev_info(&netdev->dev, "xmit-off=%llu\n",
2661 tx_ring->xmit_off);
2662 }
2663 }
79788450 2664 adapter->ahw->reset_context = 1;
536faa61 2665 }
af19b491
AKS		 2666}
2667
2668static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2669{
2670 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2671 struct net_device_stats *stats = &netdev->stats;
2672
af19b491
AKS		 2673 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2674 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2675 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2676 stats->tx_bytes = adapter->stats.txbytes;
2677 stats->rx_dropped = adapter->stats.rxdropped;
2678 stats->tx_dropped = adapter->stats.txdropped;
2679
2680 return stats;
2681}
2682
7e2cf4fe 2683irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2684{
af19b491
AKS		 2685 u32 status;
2686
2687 status = readl(adapter->isr_int_vec);
2688
79788450 2689 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2690 return IRQ_NONE;
2691
2692 /* check interrupt state machine, to be sure */
2693 status = readl(adapter->crb_int_state_reg);
2694 if (!ISR_LEGACY_INT_TRIGGERED(status))
2695 return IRQ_NONE;
2696
2697 writel(0xffffffff, adapter->tgt_status_reg);
2698 /* read twice to ensure write is flushed */
2699 readl(adapter->isr_int_vec);
2700 readl(adapter->isr_int_vec);
2701
7eb9855d
AKS		 2702 return IRQ_HANDLED;
2703}
2704
2705static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2706{
2707 struct qlcnic_host_sds_ring *sds_ring = data;
2708 struct qlcnic_adapter *adapter = sds_ring->adapter;
2709
2710 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2711 goto done;
2712 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2713 writel(0xffffffff, adapter->tgt_status_reg);
2714 goto done;
2715 }
2716
2717 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2718 return IRQ_NONE;
2719
2720done:
79788450 2721 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2722 qlcnic_enable_int(sds_ring);
2723 return IRQ_HANDLED;
2724}
2725
2726static irqreturn_t qlcnic_intr(int irq, void *data)
2727{
2728 struct qlcnic_host_sds_ring *sds_ring = data;
2729 struct qlcnic_adapter *adapter = sds_ring->adapter;
2730
2731 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2732 return IRQ_NONE;
2733
af19b491
AKS		 2734 napi_schedule(&sds_ring->napi);
2735
2736 return IRQ_HANDLED;
2737}
2738
2739static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2740{
2741 struct qlcnic_host_sds_ring *sds_ring = data;
2742 struct qlcnic_adapter *adapter = sds_ring->adapter;
2743
2744 /* clear interrupt */
2745 writel(0xffffffff, adapter->tgt_status_reg);
2746
2747 napi_schedule(&sds_ring->napi);
2748 return IRQ_HANDLED;
2749}
2750
2751static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2752{
2753 struct qlcnic_host_sds_ring *sds_ring = data;
2754
2755 napi_schedule(&sds_ring->napi);
2756 return IRQ_HANDLED;
2757}
2758
13159183
SC		 2759static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2760{
2761 struct qlcnic_host_tx_ring *tx_ring = data;
2762
2763 napi_schedule(&tx_ring->napi);
2764 return IRQ_HANDLED;
2765}
2766
af19b491
AKS		 2767#ifdef CONFIG_NET_POLL_CONTROLLER
2768static void qlcnic_poll_controller(struct net_device *netdev)
2769{
bf82791e
YL		 2770 int ring;
2771 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2772 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2773 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2774
af19b491 2775 disable_irq(adapter->irq);
bf82791e
YL		 2776 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2777 sds_ring = &recv_ctx->sds_rings[ring];
2778 qlcnic_intr(adapter->irq, sds_ring);
2779 }
af19b491
AKS		 2780 enable_irq(adapter->irq);
2781}
2782#endif
2783
6df900e9
SC		 2784static void
2785qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2786{
2787 u32 val;
2788
2789 val = adapter->portnum & 0xf;
2790 val |= encoding << 7;
2791 val |= (jiffies - adapter->dev_rst_time) << 8;
2792
a15ebd37 2793 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2794 adapter->dev_rst_time = jiffies;
2795}
2796
ade91f8e
AKS		 2797static int
2798qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2799{
2800 u32 val;
2801
2802 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2803 state != QLCNIC_DEV_NEED_QUISCENT);
2804
2805 if (qlcnic_api_lock(adapter))
ade91f8e 2806 return -EIO;
af19b491 2807
a15ebd37 2808 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2809
2810 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2811 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2812 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2813 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2814
a15ebd37 2815 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2816
2817 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2818
2819 return 0;
af19b491
AKS		 2820}
2821
1b95a839
AKS		 2822static int
2823qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2824{
2825 u32 val;
2826
2827 if (qlcnic_api_lock(adapter))
2828 return -EBUSY;
2829
a15ebd37 2830 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2831 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2832 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2833
2834 qlcnic_api_unlock(adapter);
2835
2836 return 0;
2837}
2838
486a5bc7 2839void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2840{
2841 u32 val;
2842
2843 if (qlcnic_api_lock(adapter))
2844 goto err;
2845
a15ebd37 2846 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2847 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2848 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2849
21854f02 2850 if (failed) {
a15ebd37
HM		 2851 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2852 QLCNIC_DEV_FAILED);
21854f02
AKS		 2853 dev_info(&adapter->pdev->dev,
2854 "Device state set to Failed. Please Reboot\n");
2855 } else if (!(val & 0x11111111))
a15ebd37
HM		 2856 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2857 QLCNIC_DEV_COLD);
af19b491 2858
a15ebd37 2859 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2860 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2861 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2862
2863 qlcnic_api_unlock(adapter);
2864err:
2865 adapter->fw_fail_cnt = 0;
032a13c7 2866 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2867 clear_bit(__QLCNIC_START_FW, &adapter->state);
2868 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2869}
2870
f73dfc50 2871/* Grab api lock, before checking state */
af19b491
AKS		 2872static int
2873qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2874{
602ca6f0 2875 int act, state, active_mask;
a15ebd37 2876 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2877
a15ebd37
HM		 2878 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2879 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2880
602ca6f0 2881 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2882 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2883 act = act & active_mask;
2884 }
2885
af19b491
AKS		 2886 if (((state & 0x11111111) == (act & 0x11111111)) ||
2887 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2888 return 0;
2889 else
2890 return 1;
2891}
2892
96f8118c
SC		 2893static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2894{
a15ebd37 2895 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2896
2897 if (val != QLCNIC_DRV_IDC_VER) {
2898 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2899 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2900 }
2901
2902 return 0;
2903}
2904
af19b491
AKS		 2905static int
2906qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2907{
2908 u32 val, prev_state;
aa5e18c0 2909 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2910 u8 portnum = adapter->portnum;
96f8118c 2911 u8 ret;
af19b491 2912
f73dfc50
AKS		 2913 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2914 return 1;
2915
af19b491
AKS		 2916 if (qlcnic_api_lock(adapter))
2917 return -1;
2918
a15ebd37 2919 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2920 if (!(val & (1 << (portnum * 4)))) {
2921 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2922 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2923 }
2924
a15ebd37 2925 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2926 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2927
2928 switch (prev_state) {
2929 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2930 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2931 QLCNIC_DEV_INITIALIZING);
2932 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2933 QLCNIC_DRV_IDC_VER);
6df900e9 2934 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2935 qlcnic_api_unlock(adapter);
2936 return 1;
2937
2938 case QLCNIC_DEV_READY:
96f8118c 2939 ret = qlcnic_check_idc_ver(adapter);
af19b491 2940 qlcnic_api_unlock(adapter);
96f8118c 2941 return ret;
af19b491
AKS		 2942
2943 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2944 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2945 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2946 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2947 break;
2948
2949 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2950 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2951 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2952 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2953 break;
2954
2955 case QLCNIC_DEV_FAILED:
a7fc948f 2956 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2957 qlcnic_api_unlock(adapter);
2958 return -1;
bbd8c6a4
AKS		 2959
2960 case QLCNIC_DEV_INITIALIZING:
2961 case QLCNIC_DEV_QUISCENT:
2962 break;
af19b491
AKS		 2963 }
2964
2965 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2966
2967 do {
af19b491 2968 msleep(1000);
a15ebd37 2969 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2970
2971 if (prev_state == QLCNIC_DEV_QUISCENT)
2972 continue;
2973 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2974
65b5b420
AKS		 2975 if (!dev_init_timeo) {
2976 dev_err(&adapter->pdev->dev,
2977 "Waiting for device to initialize timeout\n");
af19b491 2978 return -1;
65b5b420 2979 }
af19b491
AKS		 2980
2981 if (qlcnic_api_lock(adapter))
2982 return -1;
2983
a15ebd37 2984 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2985 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2986 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2987
96f8118c 2988 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2989 qlcnic_api_unlock(adapter);
2990
96f8118c 2991 return ret;
af19b491
AKS		 2992}
2993
2994static void
2995qlcnic_fwinit_work(struct work_struct *work)
2996{
2997 struct qlcnic_adapter *adapter = container_of(work,
2998 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2999 u32 dev_state = 0xf;
7b749ff4 3000 u32 val;
af19b491 3001
f73dfc50
AKS		 3002 if (qlcnic_api_lock(adapter))
3003 goto err_ret;
af19b491 3004
a15ebd37 3005 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3006 if (dev_state == QLCNIC_DEV_QUISCENT ||
3007 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3008 qlcnic_api_unlock(adapter);
3009 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3010 FW_POLL_DELAY * 2);
3011 return;
3012 }
3013
79788450 3014 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3015 qlcnic_api_unlock(adapter);
3016 goto wait_npar;
9f26f547
AC		 3017 }
3018
16e3cf73
SV		 3019 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3020 dev_state == QLCNIC_DEV_READY) {
3021 dev_info(&adapter->pdev->dev, "Detected state change from "
3022 "DEV_NEED_RESET, skipping ack check\n");
3023 goto skip_ack_check;
3024 }
3025
f73dfc50 3026 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3027 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3028 adapter->reset_ack_timeo);
3029 goto skip_ack_check;
3030 }
3031
3032 if (!qlcnic_check_drv_state(adapter)) {
3033skip_ack_check:
a15ebd37 3034 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3035
f73dfc50 3036 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3037 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3038 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3039 set_bit(__QLCNIC_START_FW, &adapter->state);
3040 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3041 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3042 val = QLC_SHARED_REG_RD32(adapter,
3043 QLCNIC_CRB_DRV_STATE);
7b749ff4 3044 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3045 QLC_SHARED_REG_WR32(adapter,
3046 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3047 }
3048
f73dfc50
AKS		 3049 qlcnic_api_unlock(adapter);
3050
287e38aa 3051 rtnl_lock();
890b6e02 3052 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3053 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3054 QLCDB(adapter, DRV, "Take FW dump\n");
3055 qlcnic_dump_fw(adapter);
032a13c7 3056 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3057 }
287e38aa 3058 rtnl_unlock();
7b749ff4
SV		 3059
3060 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3061 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3062 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3063 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3064 return;
3065 }
af19b491
AKS		 3066 goto err_ret;
3067 }
3068
f73dfc50 3069 qlcnic_api_unlock(adapter);
aa5e18c0 3070
9f26f547 3071wait_npar:
a15ebd37 3072 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3073 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3074
af19b491 3075 switch (dev_state) {
3c4b23b1 3076 case QLCNIC_DEV_READY:
7e2cf4fe 3077 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3078 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3079 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3080 return;
3081 }
3c4b23b1
AKS		 3082 case QLCNIC_DEV_FAILED:
3083 break;
3084 default:
3085 qlcnic_schedule_work(adapter,
3086 qlcnic_fwinit_work, FW_POLL_DELAY);
3087 return;
af19b491
AKS		 3088 }
3089
3090err_ret:
f73dfc50
AKS		 3091 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3092 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3093 netif_device_attach(adapter->netdev);
21854f02 3094 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3095}
3096
3097static void
3098qlcnic_detach_work(struct work_struct *work)
3099{
3100 struct qlcnic_adapter *adapter = container_of(work,
3101 struct qlcnic_adapter, fw_work.work);
3102 struct net_device *netdev = adapter->netdev;
3103 u32 status;
3104
3105 netif_device_detach(netdev);
3106
b8c17620
AKS		 3107 /* Dont grab rtnl lock during Quiscent mode */
3108 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3109 if (netif_running(netdev))
3110 __qlcnic_down(adapter, netdev);
3111 } else
3112 qlcnic_down(adapter, netdev);
af19b491 3113
a15ebd37 3114 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3115
44f65b29
SC		 3116 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3117 dev_err(&adapter->pdev->dev,
3118 "Detaching the device: peg halt status1=0x%x\n",
3119 status);
3120
3121 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3122 dev_err(&adapter->pdev->dev,
3123 "On board active cooling fan failed. "
3124 "Device has been halted.\n");
3125 dev_err(&adapter->pdev->dev,
3126 "Replace the adapter.\n");
3127 }
3128
af19b491 3129 goto err_ret;
44f65b29 3130 }
af19b491 3131
79788450 3132 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3133 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3134 adapter->ahw->temp);
af19b491 3135 goto err_ret;
44f65b29
SC		 3136 }
3137
602ca6f0
SV		 3138 /* Dont ack if this instance is the reset owner */
3139 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3140 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3141 dev_err(&adapter->pdev->dev,
3142 "Failed to set driver state,"
3143 "detaching the device.\n");
602ca6f0 3144 goto err_ret;
44f65b29 3145 }
602ca6f0 3146 }
af19b491
AKS		 3147
3148 adapter->fw_wait_cnt = 0;
3149
3150 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3151
3152 return;
3153
3154err_ret:
34ce3626 3155 netif_device_attach(netdev);
21854f02 3156 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3157}
3158
3c4b23b1
AKS		 3159/*Transit NPAR state to NON Operational */
3160static void
3161qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3162{
3163 u32 state;
3164
a15ebd37 3165 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3166 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3167 return;
3168
3169 if (qlcnic_api_lock(adapter))
3170 return;
a15ebd37
HM		 3171 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3172 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3173 qlcnic_api_unlock(adapter);
3174}
3175
7e2cf4fe 3176void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 3177{
646779f1
SV		 3178 u32 state, xg_val = 0, gb_val = 0;
3179
3180 qlcnic_xg_set_xg0_mask(xg_val);
3181 qlcnic_xg_set_xg1_mask(xg_val);
3182 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3183 qlcnic_gb_set_gb0_mask(gb_val);
3184 qlcnic_gb_set_gb1_mask(gb_val);
3185 qlcnic_gb_set_gb2_mask(gb_val);
3186 qlcnic_gb_set_gb3_mask(gb_val);
3187 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3188 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3189 " on all ports\n");
cea8975e 3190 adapter->need_fw_reset = 1;
13159183 3191
af19b491
AKS		 3192 if (qlcnic_api_lock(adapter))
3193 return;
3194
13159183 3195 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 3196
f73dfc50 3197 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3198 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3199 QLCNIC_DEV_NEED_RESET);
602ca6f0 3200 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3201 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3202 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3203 }
3204
13159183
SC		 3205 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3206 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3207 qlcnic_api_unlock(adapter);
3208}
3209
9f26f547
AC		 3210/* Transit to NPAR READY state from NPAR NOT READY state */
3211static void
3212qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3213{
9f26f547
AC		 3214 if (qlcnic_api_lock(adapter))
3215 return;
3216
a15ebd37
HM		 3217 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3218 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3219 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3220
3221 qlcnic_api_unlock(adapter);
3222}
3223
13159183
SC		 3224void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3225 work_func_t func, int delay)
af19b491 3226{
451724c8
SC		 3227 if (test_bit(__QLCNIC_AER, &adapter->state))
3228 return;
3229
af19b491 3230 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3231 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3232 round_jiffies_relative(delay));
af19b491
AKS		 3233}
3234
3235static void
3236qlcnic_attach_work(struct work_struct *work)
3237{
3238 struct qlcnic_adapter *adapter = container_of(work,
3239 struct qlcnic_adapter, fw_work.work);
3240 struct net_device *netdev = adapter->netdev;
b18971d1 3241 u32 npar_state;
af19b491 3242
79788450 3243 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3244 npar_state = QLC_SHARED_REG_RD32(adapter,
3245 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3246 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3247 qlcnic_clr_all_drv_state(adapter, 0);
3248 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3249 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3250 FW_POLL_DELAY);
3251 else
3252 goto attach;
3253 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3254 return;
3255 }
3256attach:
14d385b9
SC		 3257 qlcnic_dcb_get_info(adapter);
3258
af19b491 3259 if (netif_running(netdev)) {
52486a3a 3260 if (qlcnic_up(adapter, netdev))
af19b491 3261 goto done;
af19b491 3262
aec1e845 3263 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3264 }
3265
af19b491 3266done:
34ce3626 3267 netif_device_attach(netdev);
af19b491 3268 adapter->fw_fail_cnt = 0;
032a13c7 3269 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3270 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3271 if (adapter->portnum == 0)
3272 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3273
3274 if (!qlcnic_clr_drv_state(adapter))
3275 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3276 FW_POLL_DELAY);
af19b491
AKS		 3277}
3278
3279static int
3280qlcnic_check_health(struct qlcnic_adapter *adapter)
3281{
4e70812b 3282 u32 state = 0, heartbeat;
853d4bca 3283 u32 peg_status;
4bd8e738 3284 int err = 0;
af19b491
AKS		 3285
3286 if (qlcnic_check_temp(adapter))
3287 goto detach;
3288
2372a5f1 3289 if (adapter->need_fw_reset)
7e2cf4fe 3290 qlcnic_dev_request_reset(adapter, 0);
af19b491 3291
a15ebd37 3292 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3293 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3294 qlcnic_set_npar_non_operational(adapter);
af19b491 3295 adapter->need_fw_reset = 1;
b8c17620
AKS		 3296 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3297 goto detach;
af19b491 3298
a15ebd37 3299 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3300 if (heartbeat != adapter->heartbeat) {
3301 adapter->heartbeat = heartbeat;
af19b491
AKS		 3302 adapter->fw_fail_cnt = 0;
3303 if (adapter->need_fw_reset)
3304 goto detach;
68bf1c68 3305
0ce54ce4 3306 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3307 qlcnic_reset_hw_context(adapter);
68bf1c68 3308
af19b491
AKS		 3309 return 0;
3310 }
3311
3312 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3313 return 0;
3314
032a13c7
SV		 3315 adapter->flags |= QLCNIC_FW_HANG;
3316
7e2cf4fe 3317 qlcnic_dev_request_reset(adapter, 0);
af19b491 3318
099f7aa7 3319 if (qlcnic_auto_fw_reset)
0df170b6 3320 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3321
853d4bca 3322 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3323 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3324 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3325 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3326 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3327 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3328 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3329 peg_status,
3330 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3331 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3332 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3333 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3334 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3335 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3336 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3337 dev_err(&adapter->pdev->dev,
3338 "Firmware aborted with error code 0x00006700. "
3339 "Device is being reset.\n");
af19b491
AKS		 3340detach:
3341 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3342 QLCNIC_DEV_NEED_RESET;
3343
099f7aa7
SC		 3344 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3345 &adapter->state)) {
65b5b420 3346
af19b491 3347 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3348 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3349 }
af19b491
AKS		 3350
3351 return 1;
3352}
3353
486a5bc7 3354void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3355{
3356 struct qlcnic_adapter *adapter = container_of(work,
3357 struct qlcnic_adapter, fw_work.work);
3358
3359 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3360 goto reschedule;
3361
3362
3363 if (qlcnic_check_health(adapter))
3364 return;
3365
b5e5492c
AKS		 3366 if (adapter->fhash.fnum)
3367 qlcnic_prune_lb_filters(adapter);
3368
af19b491
AKS		 3369reschedule:
3370 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3371}
3372
451724c8
SC		 3373static int qlcnic_is_first_func(struct pci_dev *pdev)
3374{
3375 struct pci_dev *oth_pdev;
3376 int val = pdev->devfn;
3377
3378 while (val-- > 0) {
3379 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3380 (pdev->bus), pdev->bus->number,
3381 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3382 if (!oth_pdev)
3383 continue;
451724c8 3384
bfc978fa
AKS		 3385 if (oth_pdev->current_state != PCI_D3cold) {
3386 pci_dev_put(oth_pdev);
451724c8 3387 return 0;
bfc978fa
AKS		 3388 }
3389 pci_dev_put(oth_pdev);
451724c8
SC		 3390 }
3391 return 1;
3392}
3393
3394static int qlcnic_attach_func(struct pci_dev *pdev)
3395{
3396 int err, first_func;
3397 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3398 struct net_device *netdev = adapter->netdev;
3399
3400 pdev->error_state = pci_channel_io_normal;
3401
3402 err = pci_enable_device(pdev);
3403 if (err)
3404 return err;
3405
451724c8
SC		 3406 pci_set_master(pdev);
3407 pci_restore_state(pdev);
3408
3409 first_func = qlcnic_is_first_func(pdev);
3410
3411 if (qlcnic_api_lock(adapter))
3412 return -EINVAL;
3413
79788450 3414 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3415 adapter->need_fw_reset = 1;
3416 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3417 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3418 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3419 QLCDB(adapter, DRV, "Restarting fw\n");
3420 }
3421 qlcnic_api_unlock(adapter);
3422
13159183 3423 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3424 if (err)
3425 return err;
3426
3427 qlcnic_clr_drv_state(adapter);
13159183
SC		 3428 kfree(adapter->msix_entries);
3429 adapter->msix_entries = NULL;
aa4a1f7d 3430 err = qlcnic_setup_intr(adapter, 0, 0);
13159183 3431
9a97e705
M		 3432 if (err) {
3433 kfree(adapter->msix_entries);
3434 netdev_err(netdev, "failed to setup interrupt\n");
3435 return err;
3436 }
3437
451724c8
SC		 3438 if (netif_running(netdev)) {
3439 err = qlcnic_attach(adapter);
3440 if (err) {
21854f02 3441 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3442 clear_bit(__QLCNIC_AER, &adapter->state);
3443 netif_device_attach(netdev);
3444 return err;
3445 }
3446
3447 err = qlcnic_up(adapter, netdev);
3448 if (err)
3449 goto done;
3450
aec1e845 3451 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3452 }
3453 done:
3454 netif_device_attach(netdev);
3455 return err;
3456}
3457
4460f2e8
PP		 3458pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3459 pci_channel_state_t state)
451724c8
SC		 3460{
3461 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3462 struct net_device *netdev = adapter->netdev;
3463
3464 if (state == pci_channel_io_perm_failure)
3465 return PCI_ERS_RESULT_DISCONNECT;
3466
3467 if (state == pci_channel_io_normal)
3468 return PCI_ERS_RESULT_RECOVERED;
3469
3470 set_bit(__QLCNIC_AER, &adapter->state);
3471 netif_device_detach(netdev);
3472
3473 cancel_delayed_work_sync(&adapter->fw_work);
3474
3475 if (netif_running(netdev))
3476 qlcnic_down(adapter, netdev);
3477
3478 qlcnic_detach(adapter);
3479 qlcnic_teardown_intr(adapter);
3480
3481 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3482
3483 pci_save_state(pdev);
3484 pci_disable_device(pdev);
3485
3486 return PCI_ERS_RESULT_NEED_RESET;
3487}
3488
4460f2e8 3489pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3490{
3491 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3492 PCI_ERS_RESULT_RECOVERED;
3493}
3494
4460f2e8 3495void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3496{
a15ebd37 3497 u32 state;
451724c8
SC		 3498 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3499
3500 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3501 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3502 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3503 &adapter->state))
451724c8 3504 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3505 FW_POLL_DELAY);
451724c8
SC		 3506}
3507
4460f2e8
PP		 3508static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3509 pci_channel_state_t state)
3510{
3511 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3512 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3513
3514 if (hw_ops->io_error_detected) {
3515 return hw_ops->io_error_detected(pdev, state);
3516 } else {
3517 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3518 return PCI_ERS_RESULT_DISCONNECT;
3519 }
3520}
3521
3522static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3523{
3524 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3525 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3526
3527 if (hw_ops->io_slot_reset) {
3528 return hw_ops->io_slot_reset(pdev);
3529 } else {
3530 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3531 return PCI_ERS_RESULT_DISCONNECT;
3532 }
3533}
3534
3535static void qlcnic_io_resume(struct pci_dev *pdev)
3536{
3537 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3538 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3539
3540 if (hw_ops->io_resume)
3541 hw_ops->io_resume(pdev);
3542 else
3543 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3544}
3545
3546
87eb743b
AC		 3547static int
3548qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3549{
3550 int err;
3551
3552 err = qlcnic_can_start_firmware(adapter);
3553 if (err)
3554 return err;
3555
78f84e1a
AKS		 3556 err = qlcnic_check_npar_opertional(adapter);
3557 if (err)
3558 return err;
3c4b23b1 3559
174240a8
RB		 3560 err = qlcnic_initialize_nic(adapter);
3561 if (err)
3562 return err;
3563
87eb743b
AC		 3564 qlcnic_check_options(adapter);
3565
7373373d
RB		 3566 err = qlcnic_set_eswitch_port_config(adapter);
3567 if (err)
3568 return err;
3569
87eb743b
AC		 3570 adapter->need_fw_reset = 0;
3571
3572 return err;
3573}
3574
80b17be7 3575int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq)
aa4a1f7d
HM		 3576{
3577 struct net_device *netdev = adapter->netdev;
3578 u8 max_hw = QLCNIC_MAX_TX_RINGS;
3579 u32 max_allowed;
3580
3581 if (!qlcnic_82xx_check(adapter)) {
3582 netdev_err(netdev, "No Multi TX-Q support\n");
3583 return -EINVAL;
3584 }
3585
3586 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3587 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n");
3588 return -EINVAL;
3589 }
3590
3591 if (!qlcnic_check_multi_tx(adapter)) {
3592 netdev_err(netdev, "No Multi TX-Q support\n");
3593 return -EINVAL;
3594 }
3595
3596 if (txq > QLCNIC_MAX_TX_RINGS) {
3597 netdev_err(netdev, "Invalid ring count\n");
3598 return -EINVAL;
3599 }
3600
3601 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3602 num_online_cpus()));
3603 if ((txq > max_allowed) || !is_power_of_2(txq)) {
3604 if (!is_power_of_2(txq))
3605 netdev_err(netdev,
3606 "TX queue should be a power of 2\n");
3607 if (txq > num_online_cpus())
3608 netdev_err(netdev,
3609 "Tx queue should not be higher than [%u], number of online CPUs in the system\n",
3610 num_online_cpus());
3611 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq);
3612 return -EINVAL;
3613 }
3614
3615 return 0;
3616}
3617
6389b76d 3618int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
012ec812 3619 __u32 val)
f94bc1e7 3620{
6389b76d
MC		 3621 struct net_device *netdev = adapter->netdev;
3622 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3623 u32 max_allowed;
3624
aa4a1f7d
HM		 3625 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3626 !qlcnic_use_msi) {
3627 netdev_err(netdev, "No RSS support in INT-x mode\n");
3628 return -EINVAL;
3629 }
3630
012ec812 3631 if (val > QLCNIC_MAX_SDS_RINGS) {
6389b76d 3632 netdev_err(netdev, "RSS value should not be higher than %u\n",
012ec812 3633 QLCNIC_MAX_SDS_RINGS);
6389b76d 3634 return -EINVAL;
f94bc1e7
SC		 3635 }
3636
319ecf12
SC		 3637 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3638 num_online_cpus()));
3639 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3640 if (!is_power_of_2(val))
3641 netdev_err(netdev, "RSS value should be a power of 2\n");
3642
3643 if (val < 2)
3644 netdev_err(netdev, "RSS value should not be lower than 2\n");
3645
3646 if (val > max_hw)
3647 netdev_err(netdev,
3648 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3649 max_hw);
3650
3651 if (val > num_online_cpus())
3652 netdev_err(netdev,
3653 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3654 num_online_cpus());
3655
3656 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3657
f94bc1e7
SC		 3658 return -EINVAL;
3659 }
3660 return 0;
f94bc1e7
SC		 3661}
3662
aa4a1f7d 3663int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq)
f94bc1e7 3664{
13159183 3665 int err;
f94bc1e7 3666 struct net_device *netdev = adapter->netdev;
aa4a1f7d 3667 int num_msix;
f94bc1e7 3668
319ecf12
SC		 3669 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3670 return -EBUSY;
3671
aa4a1f7d
HM		 3672 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3673 !qlcnic_use_msi) {
3674 netdev_err(netdev, "No RSS support in INT-x mode\n");
3675 return -EINVAL;
3676 }
3677
f94bc1e7
SC		 3678 netif_device_detach(netdev);
3679 if (netif_running(netdev))
3680 __qlcnic_down(adapter, netdev);
13159183 3681
7dd90cf1
SC		 3682 qlcnic_detach(adapter);
3683
aa4a1f7d
HM		 3684 if (qlcnic_82xx_check(adapter)) {
3685 if (txq != 0)
3686 adapter->max_drv_tx_rings = txq;
3687
3688 if (qlcnic_check_multi_tx(adapter) &&
3689 (txq > adapter->max_drv_tx_rings))
3690 num_msix = adapter->max_drv_tx_rings;
3691 else
3692 num_msix = data;
3693 }
3694
7ed3ce48 3695 if (qlcnic_83xx_check(adapter)) {
13159183 3696 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3697 qlcnic_83xx_enable_mbx_poll(adapter);
3698 }
13159183 3699
aa4a1f7d
HM		 3700 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings);
3701
f94bc1e7 3702 qlcnic_teardown_intr(adapter);
aa4a1f7d
HM		 3703
3704 err = qlcnic_setup_intr(adapter, data, txq);
9a97e705
M		 3705 if (err) {
3706 kfree(adapter->msix_entries);
3707 netdev_err(netdev, "failed to setup interrupt\n");
3708 return err;
3709 }
f94bc1e7 3710
13159183 3711 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3712 /* register for NIC IDC AEN Events */
3713 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3714 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3715 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3716 if (err) {
3717 dev_err(&adapter->pdev->dev,
3718 "failed to setup mbx interrupt\n");
3719 goto done;
3720 }
f94bc1e7
SC		 3721 }
3722
3723 if (netif_running(netdev)) {
3724 err = qlcnic_attach(adapter);
3725 if (err)
3726 goto done;
3727 err = __qlcnic_up(adapter, netdev);
3728 if (err)
3729 goto done;
3730 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3731 }
aa4a1f7d 3732done:
f94bc1e7
SC		 3733 netif_device_attach(netdev);
3734 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3735 return err;
3736}
3737
af19b491
AKS		 3738#ifdef CONFIG_INET
3739
3740#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3741
af19b491 3742static void
aec1e845
AKS		 3743qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3744 struct net_device *dev, unsigned long event)
af19b491
AKS		 3745{
3746 struct in_device *indev;
af19b491 3747
af19b491
AKS		 3748 indev = in_dev_get(dev);
3749 if (!indev)
3750 return;
3751
3752 for_ifa(indev) {
3753 switch (event) {
3754 case NETDEV_UP:
3755 qlcnic_config_ipaddr(adapter,
3756 ifa->ifa_address, QLCNIC_IP_UP);
3757 break;
3758 case NETDEV_DOWN:
3759 qlcnic_config_ipaddr(adapter,
3760 ifa->ifa_address, QLCNIC_IP_DOWN);
3761 break;
3762 default:
3763 break;
3764 }
3765 } endfor_ifa(indev);
3766
3767 in_dev_put(indev);
af19b491
AKS		 3768}
3769
319ecf12 3770void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3771{
3772 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3773 struct net_device *dev;
3774 u16 vid;
3775
3776 qlcnic_config_indev_addr(adapter, netdev, event);
3777
43c00a75 3778 rcu_read_lock();
b9796a14 3779 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3780 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3781 if (!dev)
3782 continue;
aec1e845
AKS		 3783 qlcnic_config_indev_addr(adapter, dev, event);
3784 }
43c00a75 3785 rcu_read_unlock();
aec1e845
AKS		 3786}
3787
af19b491
AKS		 3788static int qlcnic_netdev_event(struct notifier_block *this,
3789 unsigned long event, void *ptr)
3790{
3791 struct qlcnic_adapter *adapter;
351638e7 3792 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 3793
3794recheck:
3795 if (dev == NULL)
3796 goto done;
3797
3798 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3799 dev = vlan_dev_real_dev(dev);
3800 goto recheck;
3801 }
3802
3803 if (!is_qlcnic_netdev(dev))
3804 goto done;
3805
3806 adapter = netdev_priv(dev);
3807
3808 if (!adapter)
3809 goto done;
3810
8a15ad1f 3811 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3812 goto done;
3813
aec1e845 3814 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3815done:
3816 return NOTIFY_DONE;
3817}
3818
3819static int
3820qlcnic_inetaddr_event(struct notifier_block *this,
3821 unsigned long event, void *ptr)
3822{
3823 struct qlcnic_adapter *adapter;
3824 struct net_device *dev;
3825
3826 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3827
3828 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3829
3830recheck:
aec1e845 3831 if (dev == NULL)
af19b491
AKS		 3832 goto done;
3833
3834 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3835 dev = vlan_dev_real_dev(dev);
3836 goto recheck;
3837 }
3838
3839 if (!is_qlcnic_netdev(dev))
3840 goto done;
3841
3842 adapter = netdev_priv(dev);
3843
251a84c9 3844 if (!adapter)
af19b491
AKS		 3845 goto done;
3846
8a15ad1f 3847 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3848 goto done;
3849
3850 switch (event) {
3851 case NETDEV_UP:
3852 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3853
af19b491
AKS		 3854 break;
3855 case NETDEV_DOWN:
3856 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3857
af19b491
AKS		 3858 break;
3859 default:
3860 break;
3861 }
3862
3863done:
3864 return NOTIFY_DONE;
3865}
3866
3867static struct notifier_block qlcnic_netdev_cb = {
3868 .notifier_call = qlcnic_netdev_event,
3869};
3870
3871static struct notifier_block qlcnic_inetaddr_cb = {
3872 .notifier_call = qlcnic_inetaddr_event,
3873};
3874#else
f8ca2b6f 3875void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3876{ }
3877#endif
fec9dd15 3878static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3879 .error_detected = qlcnic_io_error_detected,
3880 .slot_reset = qlcnic_io_slot_reset,
3881 .resume = qlcnic_io_resume,
3882};
af19b491
AKS		 3883
3884static struct pci_driver qlcnic_driver = {
3885 .name = qlcnic_driver_name,
3886 .id_table = qlcnic_pci_tbl,
3887 .probe = qlcnic_probe,
6bb58bb0 3888 .remove = qlcnic_remove,
af19b491
AKS		 3889#ifdef CONFIG_PM
3890 .suspend = qlcnic_suspend,
3891 .resume = qlcnic_resume,
3892#endif
451724c8 3893 .shutdown = qlcnic_shutdown,
02feda17
RB		 3894 .err_handler = &qlcnic_err_handler,
3895#ifdef CONFIG_QLCNIC_SRIOV
3896 .sriov_configure = qlcnic_pci_sriov_configure,
3897#endif
451724c8 3898
af19b491
AKS		 3899};
3900
3901static int __init qlcnic_init_module(void)
3902{
0cf3a14c 3903 int ret;
af19b491
AKS		 3904
3905 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3906
3907#ifdef CONFIG_INET
3908 register_netdevice_notifier(&qlcnic_netdev_cb);
3909 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3910#endif
3911
0cf3a14c
AKS		 3912 ret = pci_register_driver(&qlcnic_driver);
3913 if (ret) {
3914#ifdef CONFIG_INET
3915 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3916 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3917#endif
3918 }
af19b491 3919
0cf3a14c 3920 return ret;
af19b491
AKS		 3921}
3922
3923module_init(qlcnic_init_module);
3924
3925static void __exit qlcnic_exit_module(void)
3926{
af19b491
AKS		 3927 pci_unregister_driver(&qlcnic_driver);
3928
3929#ifdef CONFIG_INET
3930 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3931 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3932#endif
3933}
3934
3935module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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