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net: phy: select copper mode when Marvel 88e1111 in SGMII
[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>
7f1f6056 24#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75 25#include <net/vxlan.h>
7f1f6056 26#endif
af19b491 27
7f9a0c34 28MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 29MODULE_LICENSE("GPL");
30MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
31MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
32
33char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 34static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 36
b5e5492c 37static int qlcnic_mac_learn;
b11a25aa 38module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 39MODULE_PARM_DESC(qlcnic_mac_learn,
40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 41
629263ac 42int qlcnic_use_msi = 1;
9fd13331 43MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 44module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 45
629263ac 46int qlcnic_use_msi_x = 1;
9fd13331 47MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 48module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 49
629263ac 50int qlcnic_auto_fw_reset = 1;
9fd13331 51MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 52module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 53
629263ac 54int qlcnic_load_fw_file;
3ced0a88 55MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
099f7aa7 56module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 57
1dd06ae8 58static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 59static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 60static int qlcnic_open(struct net_device *netdev);
61static int qlcnic_close(struct net_device *netdev);
af19b491 62static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 63static void qlcnic_attach_work(struct work_struct *work);
64static void qlcnic_fwinit_work(struct work_struct *work);
af19b491
AKS		 65#ifdef CONFIG_NET_POLL_CONTROLLER
66static void qlcnic_poll_controller(struct net_device *netdev);
67#endif
68
6df900e9 69static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
af19b491
AKS		 70static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
71
7eb9855d 72static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 73static irqreturn_t qlcnic_intr(int irq, void *data);
74static irqreturn_t qlcnic_msi_intr(int irq, void *data);
75static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 76static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 77
78static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 79static int qlcnic_start_firmware(struct qlcnic_adapter *);
80
b5e5492c 81static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 82static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 83static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 84static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
85static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 86
21041400 87static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
88static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
89static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
90static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
91static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
92static void qlcnic_82xx_io_resume(struct pci_dev *);
93static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
94static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
95 pci_channel_state_t);
13159183
SC		 96static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
97{
98 struct qlcnic_hardware_context *ahw = adapter->ahw;
99
100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
102 else
103 return 1;
104}
105
af19b491
AKS		 106/* PCI Device ID Table */
107#define ENTRY(device) \
108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
110
9baa3c34 111static const struct pci_device_id qlcnic_pci_tbl[] = {
af19b491 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
40e2b8ed 114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
f8468331 115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
15ca140f
MC		 116 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
117 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
af19b491
AKS		 118 {0,}
119};
120
121MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
122
123
5ad6ff9d 124inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 125{
126 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 127}
128
129static const u32 msi_tgt_status[8] = {
130 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
131 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
132 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
133 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
134};
135
7e2cf4fe
SC		 136static const u32 qlcnic_reg_tbl[] = {
137 0x1B20A8, /* PEG_HALT_STAT1 */
138 0x1B20AC, /* PEG_HALT_STAT2 */
139 0x1B20B0, /* FW_HEARTBEAT */
140 0x1B2100, /* LOCK ID */
141 0x1B2128, /* FW_CAPABILITIES */
142 0x1B2138, /* drv active */
143 0x1B2140, /* dev state */
144 0x1B2144, /* drv state */
145 0x1B2148, /* drv scratch */
146 0x1B214C, /* dev partition info */
147 0x1B2174, /* drv idc ver */
148 0x1B2150, /* fw version major */
149 0x1B2154, /* fw version minor */
150 0x1B2158, /* fw version sub */
151 0x1B219C, /* npar state */
152 0x1B21FC, /* FW_IMG_VALID */
153 0x1B2250, /* CMD_PEG_STATE */
154 0x1B233C, /* RCV_PEG_STATE */
155 0x1B23B4, /* ASIC TEMP */
156 0x1B216C, /* FW api */
157 0x1B2170, /* drv op mode */
158 0x13C010, /* flash lock */
159 0x13C014, /* flash unlock */
160};
161
22999798 162static const struct qlcnic_board_info qlcnic_boards[] = {
15ca140f
MC		 163 { PCI_VENDOR_ID_QLOGIC,
164 PCI_DEVICE_ID_QLOGIC_QLE844X,
165 0x0,
166 0x0,
167 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
e386cd4a
HM		 168 { PCI_VENDOR_ID_QLOGIC,
169 PCI_DEVICE_ID_QLOGIC_QLE834X,
170 PCI_VENDOR_ID_QLOGIC,
171 0x24e,
172 "8300 Series Dual Port 10GbE Converged Network Adapter "
173 "(TCP/IP Networking)" },
174 { PCI_VENDOR_ID_QLOGIC,
175 PCI_DEVICE_ID_QLOGIC_QLE834X,
176 PCI_VENDOR_ID_QLOGIC,
177 0x243,
178 "8300 Series Single Port 10GbE Converged Network Adapter "
179 "(TCP/IP Networking)" },
180 { PCI_VENDOR_ID_QLOGIC,
181 PCI_DEVICE_ID_QLOGIC_QLE834X,
182 PCI_VENDOR_ID_QLOGIC,
183 0x24a,
184 "8300 Series Dual Port 10GbE Converged Network Adapter "
185 "(TCP/IP Networking)" },
186 { PCI_VENDOR_ID_QLOGIC,
187 PCI_DEVICE_ID_QLOGIC_QLE834X,
188 PCI_VENDOR_ID_QLOGIC,
189 0x246,
190 "8300 Series Dual Port 10GbE Converged Network Adapter "
191 "(TCP/IP Networking)" },
192 { PCI_VENDOR_ID_QLOGIC,
193 PCI_DEVICE_ID_QLOGIC_QLE834X,
194 PCI_VENDOR_ID_QLOGIC,
195 0x252,
196 "8300 Series Dual Port 10GbE Converged Network Adapter "
197 "(TCP/IP Networking)" },
198 { PCI_VENDOR_ID_QLOGIC,
199 PCI_DEVICE_ID_QLOGIC_QLE834X,
200 PCI_VENDOR_ID_QLOGIC,
201 0x26e,
202 "8300 Series Dual Port 10GbE Converged Network Adapter "
203 "(TCP/IP Networking)" },
204 { PCI_VENDOR_ID_QLOGIC,
205 PCI_DEVICE_ID_QLOGIC_QLE834X,
206 PCI_VENDOR_ID_QLOGIC,
207 0x260,
208 "8300 Series Dual Port 10GbE Converged Network Adapter "
209 "(TCP/IP Networking)" },
210 { PCI_VENDOR_ID_QLOGIC,
211 PCI_DEVICE_ID_QLOGIC_QLE834X,
212 PCI_VENDOR_ID_QLOGIC,
213 0x266,
214 "8300 Series Single Port 10GbE Converged Network Adapter "
215 "(TCP/IP Networking)" },
216 { PCI_VENDOR_ID_QLOGIC,
217 PCI_DEVICE_ID_QLOGIC_QLE834X,
218 PCI_VENDOR_ID_QLOGIC,
219 0x269,
220 "8300 Series Dual Port 10GbE Converged Network Adapter "
221 "(TCP/IP Networking)" },
222 { PCI_VENDOR_ID_QLOGIC,
223 PCI_DEVICE_ID_QLOGIC_QLE834X,
224 PCI_VENDOR_ID_QLOGIC,
225 0x271,
226 "8300 Series Dual Port 10GbE Converged Network Adapter "
227 "(TCP/IP Networking)" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE834X,
230 0x0, 0x0, "8300 Series 1/10GbE Controller" },
40e2b8ed
SS		 231 { PCI_VENDOR_ID_QLOGIC,
232 PCI_DEVICE_ID_QLOGIC_QLE8830,
233 0x0,
234 0x0,
235 "8830 Series 1/10GbE Controller" },
e386cd4a
HM		 236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
239 0x203,
240 "8200 Series Single Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
245 0x207,
246 "8200 Series Dual Port 10GbE Converged Network Adapter"
247 "(TCP/IP Networking)" },
248 { PCI_VENDOR_ID_QLOGIC,
249 PCI_DEVICE_ID_QLOGIC_QLE824X,
250 PCI_VENDOR_ID_QLOGIC,
251 0x20b,
252 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
256 0x20c,
257 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 PCI_VENDOR_ID_QLOGIC,
261 0x20f,
262 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
263 { PCI_VENDOR_ID_QLOGIC,
264 PCI_DEVICE_ID_QLOGIC_QLE824X,
265 0x103c, 0x3733,
266 "NC523SFP 10Gb 2-port Server Adapter" },
267 { PCI_VENDOR_ID_QLOGIC,
268 PCI_DEVICE_ID_QLOGIC_QLE824X,
269 0x103c, 0x3346,
270 "CN1000Q Dual Port Converged Network Adapter" },
271 { PCI_VENDOR_ID_QLOGIC,
272 PCI_DEVICE_ID_QLOGIC_QLE824X,
273 PCI_VENDOR_ID_QLOGIC,
274 0x210,
275 "QME8242-k 10GbE Dual Port Mezzanine Card" },
276 { PCI_VENDOR_ID_QLOGIC,
277 PCI_DEVICE_ID_QLOGIC_QLE824X,
278 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 279};
280
281#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
282
af19b491
AKS		 283static const
284struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
285
c70001a9 286int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 287{
288 int size = sizeof(struct qlcnic_host_sds_ring) * count;
289
290 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
291
807540ba 292 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 293}
294
c70001a9 295void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491 296{
7061b2bd 297 kfree(recv_ctx->sds_rings);
af19b491
AKS		 298 recv_ctx->sds_rings = NULL;
299}
300
f8468331 301int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 302{
af19b491
AKS		 303 struct net_device *netdev = adapter->netdev;
304 struct pci_dev *pdev = adapter->pdev;
07a251c8
SS		 305 u8 mac_addr[ETH_ALEN];
306 int ret;
af19b491 307
07a251c8
SS		 308 ret = qlcnic_get_mac_address(adapter, mac_addr,
309 adapter->ahw->pci_func);
310 if (ret)
311 return ret;
af19b491 312
2e9d722d 313 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 314 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
315
316 /* set station address */
317
aaeb6cdf 318 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 319 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
320 netdev->dev_addr);
321
322 return 0;
323}
324
cffe52f3
MC		 325static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
326{
154d0c81 327 struct qlcnic_mac_vlan_list *cur;
cffe52f3
MC		 328 struct list_head *head;
329
330 list_for_each(head, &adapter->mac_list) {
154d0c81 331 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
6878f79a 332 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
cffe52f3
MC		 333 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
334 0, QLCNIC_MAC_DEL);
335 list_del(&cur->list);
336 kfree(cur);
337 return;
338 }
339 }
340}
341
af19b491
AKS		 342static int qlcnic_set_mac(struct net_device *netdev, void *p)
343{
344 struct qlcnic_adapter *adapter = netdev_priv(netdev);
345 struct sockaddr *addr = p;
346
7cb03b23
RB		 347 if (qlcnic_sriov_vf_check(adapter))
348 return -EINVAL;
349
7373373d
RB		 350 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
351 return -EOPNOTSUPP;
352
af19b491 353 if (!is_valid_ether_addr(addr->sa_data))
13159183 354 return -EINVAL;
af19b491 355
6878f79a 356 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
cffe52f3
MC		 357 return 0;
358
8a15ad1f 359 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 360 netif_device_detach(netdev);
361 qlcnic_napi_disable(adapter);
362 }
363
cffe52f3 364 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 365 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
366 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
367 qlcnic_set_multi(adapter->netdev);
368
8a15ad1f 369 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 370 netif_device_attach(netdev);
371 qlcnic_napi_enable(adapter);
372 }
373 return 0;
374}
375
1690be63 376static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
f6f6424b
JP		 377 struct net_device *netdev,
378 const unsigned char *addr, u16 vid)
fe1adc6b
JK		 379{
380 struct qlcnic_adapter *adapter = netdev_priv(netdev);
381 int err = -EOPNOTSUPP;
382
3e5c112f 383 if (!adapter->fdb_mac_learn)
f6f6424b 384 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
fe1adc6b 385
d747c333
RB		 386 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
387 qlcnic_sriov_check(adapter)) {
52e493d0
JK		 388 if (is_unicast_ether_addr(addr)) {
389 err = dev_uc_del(netdev, addr);
390 if (!err)
391 err = qlcnic_nic_del_mac(adapter, addr);
392 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 393 err = dev_mc_del(netdev, addr);
52e493d0 394 } else {
fe1adc6b 395 err = -EINVAL;
52e493d0 396 }
fe1adc6b
JK		 397 }
398 return err;
399}
400
401static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
402 struct net_device *netdev,
f6f6424b 403 const unsigned char *addr, u16 vid, u16 flags)
fe1adc6b
JK		 404{
405 struct qlcnic_adapter *adapter = netdev_priv(netdev);
406 int err = 0;
407
3e5c112f 408 if (!adapter->fdb_mac_learn)
f6f6424b 409 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
fe1adc6b 410
d747c333
RB		 411 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
412 !qlcnic_sriov_check(adapter)) {
fe1adc6b
JK		 413 pr_info("%s: FDB e-switch is not enabled\n", __func__);
414 return -EOPNOTSUPP;
415 }
416
417 if (ether_addr_equal(addr, adapter->mac_addr))
418 return err;
419
52e493d0
JK		 420 if (is_unicast_ether_addr(addr)) {
421 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
422 err = dev_uc_add_excl(netdev, addr);
423 else
424 err = -ENOMEM;
425 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 426 err = dev_mc_add_excl(netdev, addr);
52e493d0 427 } else {
fe1adc6b 428 err = -EINVAL;
52e493d0 429 }
fe1adc6b
JK		 430
431 return err;
432}
433
434static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
5d5eacb3
JHS		 435 struct net_device *netdev,
436 struct net_device *filter_dev, int idx)
fe1adc6b
JK		 437{
438 struct qlcnic_adapter *adapter = netdev_priv(netdev);
439
3e5c112f 440 if (!adapter->fdb_mac_learn)
5d5eacb3 441 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
fe1adc6b 442
d747c333
RB		 443 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
444 qlcnic_sriov_check(adapter))
5d5eacb3 445 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
fe1adc6b
JK		 446
447 return idx;
448}
449
7e2cf4fe
SC		 450static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
451{
452 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
453 usleep_range(10000, 11000);
454
66451615
SC		 455 if (!adapter->fw_work.work.func)
456 return;
457
7e2cf4fe
SC		 458 cancel_delayed_work_sync(&adapter->fw_work);
459}
460
07a251c8 461static int qlcnic_get_phys_port_id(struct net_device *netdev,
02637fce 462 struct netdev_phys_item_id *ppid)
07a251c8
SS		 463{
464 struct qlcnic_adapter *adapter = netdev_priv(netdev);
465 struct qlcnic_hardware_context *ahw = adapter->ahw;
466
467 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
468 return -EOPNOTSUPP;
469
470 ppid->id_len = sizeof(ahw->phys_port_id);
471 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
472
473 return 0;
474}
475
7f1f6056 476#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 477static void qlcnic_add_vxlan_port(struct net_device *netdev,
478 sa_family_t sa_family, __be16 port)
479{
480 struct qlcnic_adapter *adapter = netdev_priv(netdev);
481 struct qlcnic_hardware_context *ahw = adapter->ahw;
482
483 /* Adapter supports only one VXLAN port. Use very first port
484 * for enabling offload
485 */
486 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
487 return;
488
489 ahw->vxlan_port = ntohs(port);
490 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
491}
492
493static void qlcnic_del_vxlan_port(struct net_device *netdev,
494 sa_family_t sa_family, __be16 port)
495{
496 struct qlcnic_adapter *adapter = netdev_priv(netdev);
497 struct qlcnic_hardware_context *ahw = adapter->ahw;
498
499 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
500 (ahw->vxlan_port != ntohs(port)))
501 return;
502
503 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
504}
795a05c1 505
5f35227e
JG		 506static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
507 struct net_device *dev,
508 netdev_features_t features)
795a05c1 509{
8cb65d00 510 features = vlan_features_check(skb, features);
5f35227e 511 return vxlan_features_check(skb, features);
795a05c1 512}
7f1f6056 513#endif
2b3d7b75 514
af19b491
AKS		 515static const struct net_device_ops qlcnic_netdev_ops = {
516 .ndo_open = qlcnic_open,
517 .ndo_stop = qlcnic_close,
518 .ndo_start_xmit = qlcnic_xmit_frame,
519 .ndo_get_stats = qlcnic_get_stats,
520 .ndo_validate_addr = eth_validate_addr,
afc4b13d 521 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 522 .ndo_set_mac_address = qlcnic_set_mac,
523 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 524 .ndo_fix_features = qlcnic_fix_features,
525 .ndo_set_features = qlcnic_set_features,
af19b491 526 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 527 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
528 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 529 .ndo_fdb_add = qlcnic_fdb_add,
530 .ndo_fdb_del = qlcnic_fdb_del,
531 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 532 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
7f1f6056 533#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 534 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
535 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
5f35227e 536 .ndo_features_check = qlcnic_features_check,
7f1f6056 537#endif
af19b491
AKS		 538#ifdef CONFIG_NET_POLL_CONTROLLER
539 .ndo_poll_controller = qlcnic_poll_controller,
540#endif
4000e7a7
RB		 541#ifdef CONFIG_QLCNIC_SRIOV
542 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
ed616689 543 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
4000e7a7 544 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 545 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 546 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 547#endif
af19b491
AKS		 548};
549
b43e5ee7
SC		 550static const struct net_device_ops qlcnic_netdev_failed_ops = {
551 .ndo_open = qlcnic_open,
552};
553
2e9d722d 554static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 555 .config_bridged_mode = qlcnic_config_bridged_mode,
556 .config_led = qlcnic_82xx_config_led,
557 .start_firmware = qlcnic_82xx_start_firmware,
558 .request_reset = qlcnic_82xx_dev_request_reset,
559 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
560 .napi_add = qlcnic_82xx_napi_add,
4be41e92 561 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 562 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 563 .shutdown = qlcnic_82xx_shutdown,
564 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 565 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
566};
567
568struct qlcnic_nic_template qlcnic_vf_ops = {
569 .config_bridged_mode = qlcnicvf_config_bridged_mode,
570 .config_led = qlcnicvf_config_led,
571 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 572};
573
7e2cf4fe
SC		 574static struct qlcnic_hardware_ops qlcnic_hw_ops = {
575 .read_crb = qlcnic_82xx_read_crb,
576 .write_crb = qlcnic_82xx_write_crb,
577 .read_reg = qlcnic_82xx_hw_read_wx_2M,
578 .write_reg = qlcnic_82xx_hw_write_wx_2M,
579 .get_mac_address = qlcnic_82xx_get_mac_address,
580 .setup_intr = qlcnic_82xx_setup_intr,
581 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
582 .mbx_cmd = qlcnic_82xx_issue_cmd,
583 .get_func_no = qlcnic_82xx_get_func_no,
584 .api_lock = qlcnic_82xx_api_lock,
585 .api_unlock = qlcnic_82xx_api_unlock,
586 .add_sysfs = qlcnic_82xx_add_sysfs,
587 .remove_sysfs = qlcnic_82xx_remove_sysfs,
588 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
589 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
590 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 591 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
592 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 593 .setup_link_event = qlcnic_82xx_linkevent_request,
594 .get_nic_info = qlcnic_82xx_get_nic_info,
595 .get_pci_info = qlcnic_82xx_get_pci_info,
596 .set_nic_info = qlcnic_82xx_set_nic_info,
597 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
598 .napi_enable = qlcnic_82xx_napi_enable,
599 .napi_disable = qlcnic_82xx_napi_disable,
600 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
601 .config_rss = qlcnic_82xx_config_rss,
602 .config_hw_lro = qlcnic_82xx_config_hw_lro,
603 .config_loopback = qlcnic_82xx_set_lb_mode,
604 .clear_loopback = qlcnic_82xx_clear_lb_mode,
605 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
606 .change_l2_filter = qlcnic_82xx_change_filter,
607 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 608 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 609 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 610 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 611 .io_error_detected = qlcnic_82xx_io_error_detected,
612 .io_slot_reset = qlcnic_82xx_io_slot_reset,
613 .io_resume = qlcnic_82xx_io_resume,
a0431589 614 .get_beacon_state = qlcnic_82xx_get_beacon_state,
2cc5752e
M		 615 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
616 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
617 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
618 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
225837a0
SS		 619 .get_saved_state = qlcnic_82xx_get_saved_state,
620 .set_saved_state = qlcnic_82xx_set_saved_state,
621 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
622 .get_cap_size = qlcnic_82xx_get_cap_size,
623 .set_sys_info = qlcnic_82xx_set_sys_info,
624 .store_cap_mask = qlcnic_82xx_store_cap_mask,
2e9d722d
AC		 625};
626
34e8c406 627static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
012ec812
HM		 628{
629 struct qlcnic_hardware_context *ahw = adapter->ahw;
012ec812 630
34e8c406 631 if (qlcnic_82xx_check(adapter) &&
012ec812 632 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
34e8c406
HM		 633 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
634 return 0;
012ec812 635 } else {
34e8c406 636 return 1;
012ec812
HM		 637 }
638}
639
34e8c406
HM		 640static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
641 int queue_type)
642{
643 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
644
645 if (queue_type == QLCNIC_RX_QUEUE)
646 max_rings = adapter->max_sds_rings;
647 else if (queue_type == QLCNIC_TX_QUEUE)
648 max_rings = adapter->max_tx_rings;
649
650 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
651 max_rings));
652
653 if (ring_cnt > num_rings)
654 return num_rings;
655 else
656 return ring_cnt;
657}
658
659void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
660{
661 /* 83xx adapter does not have max_tx_rings intialized in probe */
662 if (adapter->max_tx_rings)
663 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
664 QLCNIC_TX_QUEUE);
665 else
666 adapter->drv_tx_rings = tx_cnt;
34e8c406
HM		 667}
668
669void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
670{
671 /* 83xx adapter does not have max_sds_rings intialized in probe */
672 if (adapter->max_sds_rings)
673 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
674 QLCNIC_RX_QUEUE);
675 else
676 adapter->drv_sds_rings = rx_cnt;
34e8c406
HM		 677}
678
cb9327d5 679int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
af19b491 680{
af19b491 681 struct pci_dev *pdev = adapter->pdev;
cb9327d5
HM		 682 int num_msix = 0, err = 0, vector;
683
684 adapter->flags &= ~QLCNIC_TSS_RSS;
685
686 if (adapter->drv_tss_rings > 0)
687 num_msix += adapter->drv_tss_rings;
688 else
689 num_msix += adapter->drv_tx_rings;
690
8564ae09 691 if (adapter->drv_rss_rings > 0)
cb9327d5
HM		 692 num_msix += adapter->drv_rss_rings;
693 else
694 num_msix += adapter->drv_sds_rings;
695
696 if (qlcnic_83xx_check(adapter))
697 num_msix += 1;
698
699 if (!adapter->msix_entries) {
700 adapter->msix_entries = kcalloc(num_msix,
701 sizeof(struct msix_entry),
702 GFP_KERNEL);
703 if (!adapter->msix_entries)
704 return -ENOMEM;
705 }
706
cb9327d5
HM		 707 for (vector = 0; vector < num_msix; vector++)
708 adapter->msix_entries[vector].entry = vector;
709
8564ae09 710restore:
f7167750
AG		 711 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
712 if (err == -ENOSPC) {
8564ae09 713 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
f7167750 714 return err;
da6c8063 715
cb9327d5
HM		 716 netdev_info(adapter->netdev,
717 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
718 num_msix, err);
719
720 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
721
722 /* Set rings to 0 so we can restore original TSS/RSS count */
723 adapter->drv_tss_rings = 0;
724 adapter->drv_rss_rings = 0;
725
726 if (qlcnic_83xx_check(adapter))
727 num_msix += 1;
728
729 netdev_info(adapter->netdev,
730 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
731 adapter->drv_tx_rings, adapter->drv_sds_rings,
732 num_msix);
cb9327d5 733
8564ae09
AG		 734 goto restore;
735 } else if (err < 0) {
736 return err;
da6c8063 737 }
13159183 738
8564ae09
AG		 739 adapter->ahw->num_msix = num_msix;
740 if (adapter->drv_tss_rings > 0)
741 adapter->drv_tx_rings = adapter->drv_tss_rings;
742
743 if (adapter->drv_rss_rings > 0)
744 adapter->drv_sds_rings = adapter->drv_rss_rings;
745
746 return 0;
cb9327d5
HM		 747}
748
749int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
750{
751 struct pci_dev *pdev = adapter->pdev;
74a1fa45 752 int err, vector;
cb9327d5 753
13159183
SC		 754 if (!adapter->msix_entries) {
755 adapter->msix_entries = kcalloc(num_msix,
756 sizeof(struct msix_entry),
757 GFP_KERNEL);
b2adaca9 758 if (!adapter->msix_entries)
13159183 759 return -ENOMEM;
13159183 760 }
af19b491 761
af19b491 762 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 763
79788450 764 if (adapter->ahw->msix_supported) {
cb9327d5
HM		 765enable_msix:
766 for (vector = 0; vector < num_msix; vector++)
767 adapter->msix_entries[vector].entry = vector;
768
9732ec06
AG		 769 err = pci_enable_msix_range(pdev,
770 adapter->msix_entries, 1, num_msix);
771
772 if (err == num_msix) {
af19b491 773 adapter->flags |= QLCNIC_MSIX_ENABLED;
cb9327d5 774 adapter->ahw->num_msix = num_msix;
af19b491 775 dev_info(&pdev->dev, "using msi-x interrupts\n");
74a1fa45 776 return 0;
13159183 777 } else if (err > 0) {
9732ec06
AG		 778 pci_disable_msix(pdev);
779
13159183 780 dev_info(&pdev->dev,
cb9327d5
HM		 781 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
782 num_msix, err);
783
784 if (qlcnic_82xx_check(adapter)) {
13159183 785 num_msix = rounddown_pow_of_two(err);
cb9327d5 786 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
74a1fa45 787 return -ENOSPC;
13159183 788 } else {
cb9327d5
HM		 789 num_msix = rounddown_pow_of_two(err - 1);
790 num_msix += 1;
791 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
74a1fa45 792 return -ENOSPC;
cb9327d5
HM		 793 }
794
795 if (qlcnic_82xx_check(adapter) &&
796 !qlcnic_check_multi_tx(adapter)) {
797 adapter->drv_sds_rings = num_msix;
798 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
799 } else {
800 /* Distribute vectors equally */
801 adapter->drv_tx_rings = num_msix / 2;
802 adapter->drv_sds_rings = adapter->drv_tx_rings;
13159183
SC		 803 }
804
805 if (num_msix) {
806 dev_info(&pdev->dev,
dce056cb 807 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 808 num_msix);
f94bc1e7 809 goto enable_msix;
13159183
SC		 810 }
811 } else {
dce056cb 812 dev_info(&pdev->dev,
cb9327d5
HM		 813 "Unable to allocate %d MSI-X vectors, err=%d\n",
814 num_msix, err);
815 return err;
f94bc1e7
SC		 816 }
817 }
13159183 818
74a1fa45 819 return -EIO;
f94bc1e7 820}
af19b491 821
cb9327d5
HM		 822static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
823{
824 int num_msix;
825
826 num_msix = adapter->drv_sds_rings;
827
828 if (qlcnic_check_multi_tx(adapter))
829 num_msix += adapter->drv_tx_rings;
830 else
831 num_msix += QLCNIC_SINGLE_RING;
832
833 return num_msix;
834}
835
9a97e705 836static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 837{
9a97e705 838 int err = 0;
15087c2b 839 u32 offset, mask_reg;
f94bc1e7 840 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 841 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 842 struct pci_dev *pdev = adapter->pdev;
af19b491 843
099f7aa7 844 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 845 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 846 offset = msi_tgt_status[adapter->ahw->pci_func];
847 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
848 offset);
af19b491
AKS		 849 dev_info(&pdev->dev, "using msi interrupts\n");
850 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 851 return err;
af19b491 852 }
012ec812 853
9a97e705
M		 854 if (qlcnic_use_msi || qlcnic_use_msi_x)
855 return -EOPNOTSUPP;
af19b491 856
f94bc1e7 857 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 858 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 859 offset = legacy_intrp->tgt_status_reg;
860 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
861 mask_reg = legacy_intrp->tgt_mask_reg;
862 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
863 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
864 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 865 dev_info(&pdev->dev, "using legacy interrupts\n");
866 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 867 return err;
af19b491
AKS		 868}
869
21041400 870static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
f94bc1e7 871{
9a97e705 872 int num_msix, err = 0;
f94bc1e7 873
cb9327d5
HM		 874 if (adapter->flags & QLCNIC_TSS_RSS) {
875 err = qlcnic_setup_tss_rss_intr(adapter);
876 if (err < 0)
877 return err;
878 num_msix = adapter->ahw->num_msix;
879 } else {
880 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
f94bc1e7 881
cb9327d5
HM		 882 err = qlcnic_enable_msix(adapter, num_msix);
883 if (err == -ENOMEM)
884 return err;
f94bc1e7 885
cb9327d5
HM		 886 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
887 qlcnic_disable_multi_tx(adapter);
42beb3f2 888 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
012ec812 889
cb9327d5 890 err = qlcnic_enable_msi_legacy(adapter);
fc49beae 891 if (err)
cb9327d5
HM		 892 return err;
893 }
012ec812
HM		 894 }
895
896 return 0;
897}
898
899int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
900{
901 struct qlcnic_hardware_context *ahw = adapter->ahw;
902 int err, i;
903
904 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 905 !ahw->diag_test &&
012ec812
HM		 906 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
907 ahw->intr_tbl = vzalloc(ahw->num_msix *
908 sizeof(struct qlcnic_intrpt_config));
909 if (!ahw->intr_tbl)
910 return -ENOMEM;
911
912 for (i = 0; i < ahw->num_msix; i++) {
913 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
914 ahw->intr_tbl[i].id = i;
915 ahw->intr_tbl[i].src = 0;
916 }
917
918 err = qlcnic_82xx_config_intrpt(adapter, 1);
919 if (err)
920 dev_err(&adapter->pdev->dev,
921 "Failed to configure Interrupt for %d vector\n",
922 ahw->num_msix);
9a97e705 923 return err;
012ec812 924 }
9a97e705 925
012ec812 926 return 0;
f94bc1e7 927}
13159183 928
319ecf12 929void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 930{
931 if (adapter->flags & QLCNIC_MSIX_ENABLED)
932 pci_disable_msix(adapter->pdev);
933 if (adapter->flags & QLCNIC_MSI_ENABLED)
934 pci_disable_msi(adapter->pdev);
13159183
SC		 935
936 kfree(adapter->msix_entries);
937 adapter->msix_entries = NULL;
938
939 if (adapter->ahw->intr_tbl) {
940 vfree(adapter->ahw->intr_tbl);
941 adapter->ahw->intr_tbl = NULL;
942 }
af19b491
AKS		 943}
944
f1a094a8 945static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 946{
f1a094a8
RB		 947 if (ahw->pci_base0 != NULL)
948 iounmap(ahw->pci_base0);
af19b491
AKS		 949}
950
7e2cf4fe
SC		 951static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
952{
2f514c52 953 struct qlcnic_hardware_context *ahw = adapter->ahw;
7e2cf4fe
SC		 954 struct qlcnic_pci_info *pci_info;
955 int ret;
956
957 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
2f514c52 958 switch (ahw->port_type) {
7e2cf4fe 959 case QLCNIC_GBE:
2f514c52 960 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
7e2cf4fe
SC		 961 break;
962 case QLCNIC_XGBE:
2f514c52 963 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
7e2cf4fe
SC		 964 break;
965 }
966 return 0;
967 }
968
2f514c52 969 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
7e2cf4fe
SC		 970 return 0;
971
2f514c52 972 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
7e2cf4fe
SC		 973 if (!pci_info)
974 return -ENOMEM;
975
976 ret = qlcnic_get_pci_info(adapter, pci_info);
977 kfree(pci_info);
978 return ret;
979}
d71170fb 980
35dafcb0
SC		 981static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
982{
983 bool ret = false;
984
985 if (qlcnic_84xx_check(adapter)) {
986 ret = true;
987 } else if (qlcnic_83xx_check(adapter)) {
988 if (adapter->ahw->extra_capability[0] &
989 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
990 ret = true;
991 else
992 ret = false;
993 }
994
995 return ret;
996}
997
d71170fb 998int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 999{
2f514c52 1000 struct qlcnic_hardware_context *ahw = adapter->ahw;
e88db3bd 1001 struct qlcnic_pci_info *pci_info;
4c776aad 1002 int i, id = 0, ret = 0, j = 0;
bff57d8e 1003 u16 act_pci_func;
346fe763
RB		 1004 u8 pfn;
1005
2f514c52 1006 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
e88db3bd
DC		 1007 if (!pci_info)
1008 return -ENOMEM;
1009
bff57d8e
SC		 1010 ret = qlcnic_get_pci_info(adapter, pci_info);
1011 if (ret)
1012 goto err_pci_info;
1013
2f514c52 1014 act_pci_func = ahw->total_nic_func;
bff57d8e 1015
ca315ac2 1016 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 1017 act_pci_func, GFP_KERNEL);
e88db3bd 1018 if (!adapter->npars) {
900853a4 1019 ret = -ENOMEM;
e88db3bd
DC		 1020 goto err_pci_info;
1021 }
346fe763 1022
ca315ac2 1023 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 1024 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1025 if (!adapter->eswitch) {
900853a4 1026 ret = -ENOMEM;
ca315ac2 1027 goto err_npars;
346fe763
RB		 1028 }
1029
2f514c52 1030 for (i = 0; i < ahw->max_vnic_func; i++) {
ca315ac2 1031 pfn = pci_info[i].id;
bff57d8e 1032
2f514c52 1033 if (pfn >= ahw->max_vnic_func) {
d7a32b6e 1034 ret = -EINVAL;
c65762fc
SC		 1035 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1036 __func__, pfn, ahw->max_vnic_func);
f848d6dd
SC		 1037 goto err_eswitch;
1038 }
bff57d8e
SC		 1039
1040 if (!pci_info[i].active ||
1041 (pci_info[i].type != QLCNIC_TYPE_NIC))
1042 continue;
1043
35dafcb0 1044 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 1045 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1046 &id))
35dafcb0
SC		 1047 adapter->npars[j].eswitch_status = true;
1048 else
1049 continue;
1050 } else {
1051 adapter->npars[j].eswitch_status = true;
1052 }
1053
bff57d8e
SC		 1054 adapter->npars[j].pci_func = pfn;
1055 adapter->npars[j].active = (u8)pci_info[i].active;
1056 adapter->npars[j].type = (u8)pci_info[i].type;
1057 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1058 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1059 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 1060
9e630955 1061 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 1062 j++;
346fe763
RB		 1063 }
1064
4c776aad
SC		 1065 /* Update eSwitch status for adapters without per port eSwitch
1066 * configuration capability
1067 */
1068 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 1069 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1070 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 1071 }
ca315ac2 1072
e88db3bd 1073 kfree(pci_info);
ca315ac2
DC		 1074 return 0;
1075
1076err_eswitch:
346fe763
RB		 1077 kfree(adapter->eswitch);
1078 adapter->eswitch = NULL;
ca315ac2 1079err_npars:
346fe763 1080 kfree(adapter->npars);
ca315ac2 1081 adapter->npars = NULL;
e88db3bd
DC		 1082err_pci_info:
1083 kfree(pci_info);
346fe763
RB		 1084
1085 return ret;
1086}
1087
2e9d722d
AC		 1088static int
1089qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1090{
1091 u8 id;
7e8fd003 1092 int ret;
2e9d722d 1093 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 1094 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 1095
2e9d722d
AC		 1096 ret = qlcnic_api_lock(adapter);
1097 if (ret)
1098 goto err_lock;
2e9d722d 1099
7e8fd003
SS		 1100 id = ahw->pci_func;
1101 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1102 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1103 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 1104 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 1105 qlcnic_api_unlock(adapter);
1106err_lock:
1107 return ret;
1108}
1109
13159183
SC		 1110static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1111 const struct pci_device_id *ent)
2e9d722d 1112{
2e9d722d
AC		 1113 u32 op_mode, priv_level;
1114
1115 /* Determine FW API version */
13159183
SC		 1116 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1117 QLCNIC_FW_API);
2e9d722d
AC		 1118
1119 /* Find PCI function number */
13159183 1120 qlcnic_get_func_no(adapter);
2e9d722d
AC		 1121
1122 /* Determine function privilege level */
13159183 1123 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 1124 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 1125 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 1126 else
b1fc6d3c 1127 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 1128
0866d96d 1129 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 1130 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 1131 dev_info(&adapter->pdev->dev,
1132 "HAL Version: %d Non Privileged function\n",
79788450 1133 adapter->ahw->fw_hal_version);
9f26f547 1134 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 1135 } else
1136 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 1137}
1138
15087c2b 1139#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 1140#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 1141static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1142{
1143 switch (dev_id) {
1144 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1145 *bar = QLCNIC_82XX_BAR0_LENGTH;
1146 break;
13159183 1147 case PCI_DEVICE_ID_QLOGIC_QLE834X:
40e2b8ed 1148 case PCI_DEVICE_ID_QLOGIC_QLE8830:
15ca140f 1149 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 1150 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 1151 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 1152 *bar = QLCNIC_83XX_BAR0_LENGTH;
1153 break;
15087c2b
SC		 1154 default:
1155 *bar = 0;
1156 }
1157}
1158
1159static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1160 struct qlcnic_hardware_context *ahw)
af19b491 1161{
15087c2b 1162 u32 offset;
af19b491 1163 void __iomem *mem_ptr0 = NULL;
15087c2b 1164 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 1165
af19b491 1166 /* remap phys address */
af19b491
AKS		 1167 mem_len = pci_resource_len(pdev, 0);
1168
15087c2b
SC		 1169 qlcnic_get_bar_length(pdev->device, &bar0_len);
1170 if (mem_len >= bar0_len) {
af19b491
AKS		 1171
1172 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1173 if (mem_ptr0 == NULL) {
1174 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1175 return -EIO;
1176 }
1177 pci_len0 = mem_len;
1178 } else {
1179 return -EIO;
1180 }
1181
f8468331 1182 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1183
15087c2b
SC		 1184 ahw->pci_base0 = mem_ptr0;
1185 ahw->pci_len0 = pci_len0;
1186 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1187 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1188
1189 return 0;
1190}
1191
60dcbcb0
MC		 1192static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1193 int index)
2343f06a
MC		 1194{
1195 struct pci_dev *pdev = adapter->pdev;
1196 unsigned short subsystem_vendor;
1197 bool ret = true;
1198
1199 subsystem_vendor = pdev->subsystem_vendor;
1200
1201 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1202 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1203 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1204 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1205 ret = true;
1206 else
1207 ret = false;
1208 }
1209
1210 return ret;
1211}
1212
22999798 1213static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1214{
1215 struct pci_dev *pdev = adapter->pdev;
1216 int i, found = 0;
1217
1218 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1219 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1220 qlcnic_boards[i].device == pdev->device &&
1221 qlcnic_validate_subsystem_id(adapter, i)) {
1222 found = 1;
1223 break;
af19b491 1224 }
af19b491
AKS		 1225 }
1226
1227 if (!found)
7f9a0c34 1228 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1229 else
1230 sprintf(name, "%pM: %s" , adapter->mac_addr,
1231 qlcnic_boards[i].short_name);
af19b491
AKS		 1232}
1233
1234static void
1235qlcnic_check_options(struct qlcnic_adapter *adapter)
1236{
a15ebd37 1237 int err;
031a4a26 1238 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1239 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1240 struct qlcnic_hardware_context *ahw = adapter->ahw;
1241 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1242
1243 prev_fw_version = adapter->fw_version;
af19b491 1244
a15ebd37
HM		 1245 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1246 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1247 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1248
1249 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1250
a15ebd37
HM		 1251 err = qlcnic_get_board_info(adapter);
1252 if (err) {
1253 dev_err(&pdev->dev, "Error getting board config info.\n");
1254 return;
1255 }
1256 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1257 if (fw_dump->tmpl_hdr == NULL ||
1258 adapter->fw_version > prev_fw_version) {
7061b2bd 1259 vfree(fw_dump->tmpl_hdr);
031a4a26
SV		 1260 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1261 dev_info(&pdev->dev,
1262 "Supports FW dump capability\n");
1263 }
1264 }
1265
13159183
SC		 1266 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1267 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1268
b1fc6d3c 1269 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1270 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1271 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1272 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1273 } else {
1274 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1275 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1276 }
1277
af19b491 1278 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1279 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1280
b1fc6d3c 1281 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1282 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1283 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1284 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1285 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1286 }
1287
099f7aa7 1288 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1289
1290 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1291
251b036a 1292 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1293}
1294
174240a8
RB		 1295static int
1296qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1297{
174240a8 1298 struct qlcnic_info nic_info;
4bd8e738 1299 int err = 0;
174240a8 1300
bff57d8e 1301 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1302 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1303 if (err)
1304 return err;
1305
79788450
SC		 1306 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1307 adapter->ahw->switch_mode = nic_info.switch_mode;
1308 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1309 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1310 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1311
1312 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1313 u32 temp;
4bd8e738
HM		 1314 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1315 if (err == -EIO)
1316 return err;
db131786 1317 adapter->ahw->extra_capability[0] = temp;
d6994ca7
SS		 1318 } else {
1319 adapter->ahw->extra_capability[0] = 0;
776e7bde 1320 }
d6994ca7 1321
79788450
SC		 1322 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1323 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1324
34e8c406 1325 if (adapter->ahw->capabilities & BIT_6) {
174240a8 1326 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
34e8c406
HM		 1327 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1328 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1329 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1330
1331 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1332 } else {
1333 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1334 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
f9566265 1335 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
174240a8 1336 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
34e8c406 1337 }
174240a8
RB		 1338
1339 return err;
1340}
1341
ec079a07
SC		 1342void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1343 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1344{
1345 if (esw_cfg->discard_tagged)
1346 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1347 else
1348 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1349
91b7282b
RB		 1350 if (esw_cfg->vlan_id) {
1351 adapter->rx_pvid = esw_cfg->vlan_id;
1352 adapter->tx_pvid = esw_cfg->vlan_id;
1353 } else {
1354 adapter->rx_pvid = 0;
1355 adapter->tx_pvid = 0;
1356 }
8cf61f89
AKS		 1357}
1358
8e586137 1359static int
80d5c368 1360qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1361{
1362 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1363 int err;
1364
1365 if (qlcnic_sriov_vf_check(adapter)) {
1366 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1367 if (err) {
1368 netdev_err(netdev,
1369 "Cannot add VLAN filter for VLAN id %d, err=%d",
1370 vid, err);
1371 return err;
1372 }
1373 }
1374
b9796a14 1375 set_bit(vid, adapter->vlans);
8e586137 1376 return 0;
b9796a14
AC		 1377}
1378
8e586137 1379static int
80d5c368 1380qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1381{
1382 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1383 int err;
1384
1385 if (qlcnic_sriov_vf_check(adapter)) {
1386 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1387 if (err) {
1388 netdev_err(netdev,
1389 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1390 vid, err);
1391 return err;
1392 }
1393 }
b9796a14
AC		 1394
1395 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1396 clear_bit(vid, adapter->vlans);
8e586137 1397 return 0;
b9796a14
AC		 1398}
1399
ec079a07
SC		 1400void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1401 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1402{
ee07c1a7
RB		 1403 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1404 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1405
1406 if (esw_cfg->mac_anti_spoof)
1407 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1408
7373373d
RB		 1409 if (!esw_cfg->mac_override)
1410 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1411
ee07c1a7
RB		 1412 if (!esw_cfg->promisc_mode)
1413 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1414}
1415
d71170fb 1416int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1417{
1418 struct qlcnic_esw_func_cfg esw_cfg;
1419
1420 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1421 return 0;
1422
b1fc6d3c 1423 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1424 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1425 return -EIO;
8cf61f89 1426 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1427 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1428 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1429
1430 return 0;
1431}
1432
147a9088
SS		 1433void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1434 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1435{
1436 struct net_device *netdev = adapter->netdev;
13159183
SC		 1437
1438 if (qlcnic_83xx_check(adapter))
1439 return;
0325d69b 1440
147a9088
SS		 1441 adapter->offload_flags = esw_cfg->offload_flags;
1442 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1443 netdev_update_features(netdev);
1444 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1445}
1446
0866d96d
AC		 1447static int
1448qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1449{
0866d96d
AC		 1450 u32 op_mode, priv_level;
1451 int err = 0;
1452
174240a8
RB		 1453 err = qlcnic_initialize_nic(adapter);
1454 if (err)
1455 return err;
1456
0866d96d
AC		 1457 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1458 return 0;
1459
13159183 1460 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1461 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1462
1463 if (op_mode == QLC_DEV_DRV_DEFAULT)
1464 priv_level = QLCNIC_MGMT_FUNC;
1465 else
b1fc6d3c 1466 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1467
174240a8 1468 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1469 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1470 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1471 err = qlcnic_init_pci_info(adapter);
1472 if (err)
1473 return err;
1474 /* Set privilege level for other functions */
1475 qlcnic_set_function_modes(adapter);
1476 dev_info(&adapter->pdev->dev,
1477 "HAL Version: %d, Management function\n",
79788450 1478 adapter->ahw->fw_hal_version);
0866d96d 1479 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1480 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1481 dev_info(&adapter->pdev->dev,
1482 "HAL Version: %d, Privileged function\n",
79788450 1483 adapter->ahw->fw_hal_version);
0866d96d 1484 }
34e8c406
HM		 1485 } else {
1486 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
174240a8 1487 }
0866d96d
AC		 1488
1489 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1490
1491 return err;
1492}
1493
d71170fb 1494int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1495{
1496 struct qlcnic_esw_func_cfg esw_cfg;
1497 struct qlcnic_npar_info *npar;
1498 u8 i;
1499
174240a8 1500 if (adapter->need_fw_reset)
0325d69b
RB		 1501 return 0;
1502
2f514c52 1503 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
35dafcb0
SC		 1504 if (!adapter->npars[i].eswitch_status)
1505 continue;
1506
0325d69b 1507 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1508 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1509 esw_cfg.mac_override = BIT_0;
ee07c1a7 1510 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1511 if (qlcnic_82xx_check(adapter)) {
1512 esw_cfg.offload_flags = BIT_0;
1513 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1514 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1515 }
0325d69b
RB		 1516 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1517 return -EIO;
1518 npar = &adapter->npars[i];
1519 npar->pvid = esw_cfg.vlan_id;
7373373d 1520 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1521 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1522 npar->discard_tagged = esw_cfg.discard_tagged;
1523 npar->promisc_mode = esw_cfg.promisc_mode;
1524 npar->offload_flags = esw_cfg.offload_flags;
1525 }
1526
1527 return 0;
1528}
1529
13159183 1530
4e8acb01
RB		 1531static int
1532qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1533 struct qlcnic_npar_info *npar, int pci_func)
1534{
1535 struct qlcnic_esw_func_cfg esw_cfg;
1536 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1537 esw_cfg.pci_func = pci_func;
1538 esw_cfg.vlan_id = npar->pvid;
7373373d 1539 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1540 esw_cfg.discard_tagged = npar->discard_tagged;
1541 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1542 esw_cfg.offload_flags = npar->offload_flags;
1543 esw_cfg.promisc_mode = npar->promisc_mode;
1544 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1545 return -EIO;
1546
1547 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1548 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1549 return -EIO;
1550
1551 return 0;
1552}
1553
d71170fb 1554int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1555{
4e8acb01 1556 int i, err;
cea8975e
AC		 1557 struct qlcnic_npar_info *npar;
1558 struct qlcnic_info nic_info;
bff57d8e 1559 u8 pci_func;
cea8975e 1560
bff57d8e
SC		 1561 if (qlcnic_82xx_check(adapter))
1562 if (!adapter->need_fw_reset)
1563 return 0;
cea8975e 1564
4e8acb01 1565 /* Set the NPAR config data after FW reset */
2f514c52 1566 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
4e8acb01 1567 npar = &adapter->npars[i];
bff57d8e 1568 pci_func = npar->pci_func;
35dafcb0
SC		 1569 if (!adapter->npars[i].eswitch_status)
1570 continue;
1571
bff57d8e 1572 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1573 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1574 if (err)
1575 return err;
1576 nic_info.min_tx_bw = npar->min_bw;
1577 nic_info.max_tx_bw = npar->max_bw;
1578 err = qlcnic_set_nic_info(adapter, &nic_info);
1579 if (err)
1580 return err;
cea8975e 1581
4e8acb01
RB		 1582 if (npar->enable_pm) {
1583 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1584 npar->dest_npar, 1,
1585 pci_func);
4e8acb01
RB		 1586 if (err)
1587 return err;
cea8975e 1588 }
bff57d8e 1589 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1590 if (err)
1591 return err;
cea8975e 1592 }
4e8acb01 1593 return 0;
cea8975e
AC		 1594}
1595
78f84e1a
AKS		 1596static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1597{
1598 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1599 u32 npar_state;
1600
79788450 1601 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1602 return 0;
1603
a15ebd37
HM		 1604 npar_state = QLC_SHARED_REG_RD32(adapter,
1605 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1606 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1607 msleep(1000);
a15ebd37
HM		 1608 npar_state = QLC_SHARED_REG_RD32(adapter,
1609 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1610 }
1611 if (!npar_opt_timeo) {
1612 dev_err(&adapter->pdev->dev,
8a168ca7 1613 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1614 return -EIO;
1615 }
1616 return 0;
1617}
1618
174240a8
RB		 1619static int
1620qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1621{
1622 int err;
1623
1624 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1625 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1626 return 0;
1627
1628 err = qlcnic_set_default_offload_settings(adapter);
1629 if (err)
1630 return err;
1631
1632 err = qlcnic_reset_npar_config(adapter);
1633 if (err)
1634 return err;
1635
1636 qlcnic_dev_set_npar_ready(adapter);
1637
1638 return err;
1639}
1640
21041400 1641static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1642{
d4066833 1643 int err;
af19b491 1644
aa5e18c0
SC		 1645 err = qlcnic_can_start_firmware(adapter);
1646 if (err < 0)
1647 return err;
1648 else if (!err)
d4066833 1649 goto check_fw_status;
af19b491 1650
099f7aa7 1651 if (qlcnic_load_fw_file)
4d5bdb38 1652 qlcnic_request_firmware(adapter);
8f891387 1653 else {
8cfdce08
SC		 1654 err = qlcnic_check_flash_fw_ver(adapter);
1655 if (err)
8f891387 1656 goto err_out;
1657
79788450 1658 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1659 }
af19b491
AKS		 1660
1661 err = qlcnic_need_fw_reset(adapter);
af19b491 1662 if (err == 0)
4e70812b 1663 goto check_fw_status;
af19b491 1664
d4066833
SC		 1665 err = qlcnic_pinit_from_rom(adapter);
1666 if (err)
1667 goto err_out;
af19b491
AKS		 1668
1669 err = qlcnic_load_firmware(adapter);
1670 if (err)
1671 goto err_out;
1672
1673 qlcnic_release_firmware(adapter);
d4066833 1674 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1675
d4066833
SC		 1676check_fw_status:
1677 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1678 if (err)
1679 goto err_out;
1680
a15ebd37 1681 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1682 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1683 err = qlcnic_check_eswitch_mode(adapter);
1684 if (err) {
1685 dev_err(&adapter->pdev->dev,
1686 "Memory allocation failed for eswitch\n");
1687 goto err_out;
1688 }
174240a8
RB		 1689 err = qlcnic_set_mgmt_operations(adapter);
1690 if (err)
1691 goto err_out;
1692
1693 qlcnic_check_options(adapter);
af19b491
AKS		 1694 adapter->need_fw_reset = 0;
1695
a7fc948f
AKS		 1696 qlcnic_release_firmware(adapter);
1697 return 0;
af19b491
AKS		 1698
1699err_out:
a15ebd37 1700 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1701 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1702
af19b491
AKS		 1703 qlcnic_release_firmware(adapter);
1704 return err;
1705}
1706
1707static int
1708qlcnic_request_irq(struct qlcnic_adapter *adapter)
1709{
1710 irq_handler_t handler;
1711 struct qlcnic_host_sds_ring *sds_ring;
13159183 1712 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1713 int err, ring, num_sds_rings;
af19b491
AKS		 1714
1715 unsigned long flags = 0;
1716 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1717 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1718
79788450 1719 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1720 if (qlcnic_82xx_check(adapter))
1721 handler = qlcnic_tmp_intr;
c2534384
MC		 1722 else
1723 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1724 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1725 flags |= IRQF_SHARED;
1726
1727 } else {
1728 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1729 handler = qlcnic_msix_intr;
1730 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1731 handler = qlcnic_msi_intr;
1732 else {
1733 flags |= IRQF_SHARED;
ac166700
HM		 1734 if (qlcnic_82xx_check(adapter))
1735 handler = qlcnic_intr;
1736 else
1737 handler = qlcnic_83xx_intr;
7eb9855d 1738 }
af19b491
AKS		 1739 }
1740 adapter->irq = netdev->irq;
1741
13159183 1742 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1743 if (qlcnic_82xx_check(adapter) ||
1744 (qlcnic_83xx_check(adapter) &&
1745 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1746 num_sds_rings = adapter->drv_sds_rings;
ddb2e174 1747 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1748 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1749 if (qlcnic_82xx_check(adapter) &&
012ec812 1750 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1751 (ring == (num_sds_rings - 1))) {
1752 if (!(adapter->flags &
1753 QLCNIC_MSIX_ENABLED))
1754 snprintf(sds_ring->name,
1755 sizeof(sds_ring->name),
1756 "qlcnic");
1757 else
1758 snprintf(sds_ring->name,
1759 sizeof(sds_ring->name),
1760 "%s-tx-0-rx-%d",
1761 netdev->name, ring);
1762 } else {
ddb2e174
HM		 1763 snprintf(sds_ring->name,
1764 sizeof(sds_ring->name),
aa2a8034 1765 "%s-rx-%d",
ddb2e174 1766 netdev->name, ring);
aa2a8034 1767 }
ac166700
HM		 1768 err = request_irq(sds_ring->irq, handler, flags,
1769 sds_ring->name, sds_ring);
1770 if (err)
1771 return err;
1772 }
13159183 1773 }
012ec812
HM		 1774 if ((qlcnic_82xx_check(adapter) &&
1775 qlcnic_check_multi_tx(adapter)) ||
1776 (qlcnic_83xx_check(adapter) &&
1777 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1778 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183 1779 handler = qlcnic_msix_tx_intr;
34e8c406 1780 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1781 ring++) {
1782 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1783 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1784 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1785 err = request_irq(tx_ring->irq, handler, flags,
1786 tx_ring->name, tx_ring);
1787 if (err)
1788 return err;
1789 }
1790 }
af19b491 1791 }
af19b491
AKS		 1792 return 0;
1793}
1794
1795static void
1796qlcnic_free_irq(struct qlcnic_adapter *adapter)
1797{
1798 int ring;
1799 struct qlcnic_host_sds_ring *sds_ring;
13159183 1800 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1801
b1fc6d3c 1802 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1803
13159183 1804 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1805 if (qlcnic_82xx_check(adapter) ||
1806 (qlcnic_83xx_check(adapter) &&
1807 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1808 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
ac166700
HM		 1809 sds_ring = &recv_ctx->sds_rings[ring];
1810 free_irq(sds_ring->irq, sds_ring);
1811 }
13159183 1812 }
012ec812
HM		 1813 if ((qlcnic_83xx_check(adapter) &&
1814 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1815 (qlcnic_82xx_check(adapter) &&
1816 qlcnic_check_multi_tx(adapter))) {
34e8c406 1817 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1818 ring++) {
1819 tx_ring = &adapter->tx_ring[ring];
1820 if (tx_ring->irq)
1821 free_irq(tx_ring->irq, tx_ring);
1822 }
1823 }
af19b491
AKS		 1824 }
1825}
1826
99e85879
SS		 1827static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1828{
1829 u32 capab = 0;
1830
1831 if (qlcnic_82xx_check(adapter)) {
db131786 1832 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1833 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1834 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1835 } else {
1836 capab = adapter->ahw->capabilities;
1837 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1838 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1839 }
1840}
1841
a514722a
HM		 1842static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1843{
1844 struct qlcnic_hardware_context *ahw = adapter->ahw;
1845 int err;
1846
1847 /* Initialize interrupt coalesce parameters */
1848 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1849
1850 if (qlcnic_83xx_check(adapter)) {
1851 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1852 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1853 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1854 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1855 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1856
1857 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1858 } else {
1859 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1860 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1861 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1862
1863 err = qlcnic_82xx_set_rx_coalesce(adapter);
1864 }
1865
1866 return err;
1867}
1868
319ecf12 1869int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1870{
8a15ad1f
AKS		 1871 int ring;
1872 struct qlcnic_host_rds_ring *rds_ring;
1873
af19b491
AKS		 1874 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1875 return -EIO;
1876
8a15ad1f
AKS		 1877 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1878 return 0;
012ec812 1879
0325d69b
RB		 1880 if (qlcnic_set_eswitch_port_config(adapter))
1881 return -EIO;
012ec812 1882
99e85879 1883 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1884
8a15ad1f
AKS		 1885 if (qlcnic_fw_create_ctx(adapter))
1886 return -EIO;
1887
1888 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1889 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1890 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1891 }
1892
af19b491
AKS		 1893 qlcnic_set_multi(netdev);
1894 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1895
b1fc6d3c 1896 adapter->ahw->linkup = 0;
af19b491 1897
34e8c406 1898 if (adapter->drv_sds_rings > 1)
af19b491
AKS		 1899 qlcnic_config_rss(adapter, 1);
1900
a514722a 1901 qlcnic_config_def_intr_coalesce(adapter);
af19b491 1902
24763d80 1903 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1904 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1905
cfacb172 1906 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1907 qlcnic_napi_enable(adapter);
1908
1909 qlcnic_linkevent_request(adapter, 1);
1910
79788450 1911 adapter->ahw->reset_context = 0;
060d0564 1912 netif_tx_start_all_queues(netdev);
af19b491
AKS		 1913 return 0;
1914}
1915
629263ac 1916int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1917{
1918 int err = 0;
1919
1920 rtnl_lock();
1921 if (netif_running(netdev))
1922 err = __qlcnic_up(adapter, netdev);
1923 rtnl_unlock();
1924
1925 return err;
1926}
1927
319ecf12 1928void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1929{
012ec812
HM		 1930 int ring;
1931
af19b491
AKS		 1932 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1933 return;
1934
1935 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1936 return;
1937
1938 smp_mb();
af19b491 1939 netif_carrier_off(netdev);
0a46bac0 1940 adapter->ahw->linkup = 0;
af19b491
AKS		 1941 netif_tx_disable(netdev);
1942
1943 qlcnic_free_mac_list(adapter);
1944
b5e5492c
AKS		 1945 if (adapter->fhash.fnum)
1946 qlcnic_delete_lb_filters(adapter);
1947
af19b491 1948 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
74b7ba1a
RB		 1949 if (qlcnic_sriov_vf_check(adapter))
1950 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1951
1952 qlcnic_napi_disable(adapter);
1953
8a15ad1f 1954 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1955 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1956
1957 qlcnic_reset_rx_buffers_list(adapter);
012ec812 1958
34e8c406 1959 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
012ec812 1960 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1961}
1962
1963/* Usage: During suspend and firmware recovery module */
1964
629263ac 1965void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1966{
1967 rtnl_lock();
1968 if (netif_running(netdev))
1969 __qlcnic_down(adapter, netdev);
1970 rtnl_unlock();
1971
1972}
1973
319ecf12 1974int
af19b491
AKS		 1975qlcnic_attach(struct qlcnic_adapter *adapter)
1976{
1977 struct net_device *netdev = adapter->netdev;
1978 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1979 int err;
af19b491
AKS		 1980
1981 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1982 return 0;
1983
af19b491
AKS		 1984 err = qlcnic_napi_add(adapter, netdev);
1985 if (err)
1986 return err;
1987
1988 err = qlcnic_alloc_sw_resources(adapter);
1989 if (err) {
1990 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1991 goto err_out_napi_del;
af19b491
AKS		 1992 }
1993
1994 err = qlcnic_alloc_hw_resources(adapter);
1995 if (err) {
1996 dev_err(&pdev->dev, "Error in setting hw resources\n");
1997 goto err_out_free_sw;
1998 }
1999
af19b491
AKS		 2000 err = qlcnic_request_irq(adapter);
2001 if (err) {
2002 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 2003 goto err_out_free_hw;
af19b491
AKS		 2004 }
2005
af19b491
AKS		 2006 qlcnic_create_sysfs_entries(adapter);
2007
7f1f6056 2008#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 2009 if (qlcnic_encap_rx_offload(adapter))
2010 vxlan_get_rx_port(netdev);
7f1f6056 2011#endif
2b3d7b75 2012
af19b491
AKS		 2013 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2014 return 0;
2015
8a15ad1f 2016err_out_free_hw:
af19b491
AKS		 2017 qlcnic_free_hw_resources(adapter);
2018err_out_free_sw:
2019 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 2020err_out_napi_del:
2021 qlcnic_napi_del(adapter);
af19b491
AKS		 2022 return err;
2023}
2024
319ecf12 2025void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 2026{
2027 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2028 return;
2029
2030 qlcnic_remove_sysfs_entries(adapter);
2031
2032 qlcnic_free_hw_resources(adapter);
2033 qlcnic_release_rx_buffers(adapter);
2034 qlcnic_free_irq(adapter);
2035 qlcnic_napi_del(adapter);
2036 qlcnic_free_sw_resources(adapter);
2037
2038 adapter->is_up = 0;
2039}
2040
34e8c406 2041void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
7eb9855d
AKS		 2042{
2043 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2044 struct qlcnic_host_sds_ring *sds_ring;
34e8c406 2045 int drv_tx_rings = adapter->drv_tx_rings;
7eb9855d
AKS		 2046 int ring;
2047
78ad3892 2048 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 2049 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2050 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2051 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2052 qlcnic_disable_sds_intr(adapter, sds_ring);
cdaff185 2053 }
7eb9855d
AKS		 2054 }
2055
8a15ad1f
AKS		 2056 qlcnic_fw_destroy_ctx(adapter);
2057
7eb9855d
AKS		 2058 qlcnic_detach(adapter);
2059
79788450 2060 adapter->ahw->diag_test = 0;
34e8c406
HM		 2061 adapter->drv_sds_rings = drv_sds_rings;
2062 adapter->drv_tx_rings = drv_tx_rings;
7eb9855d
AKS		 2063
2064 if (qlcnic_attach(adapter))
34ce3626 2065 goto out;
7eb9855d
AKS		 2066
2067 if (netif_running(netdev))
2068 __qlcnic_up(adapter, netdev);
34ce3626 2069out:
7eb9855d
AKS		 2070 netif_device_attach(netdev);
2071}
2072
b1fc6d3c
AC		 2073static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2074{
868e9144 2075 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 2076 int err = 0;
be273dc1 2077
b1fc6d3c
AC		 2078 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2079 GFP_KERNEL);
2080 if (!adapter->recv_ctx) {
b1fc6d3c 2081 err = -ENOMEM;
8816d009 2082 goto err_out;
b1fc6d3c 2083 }
a514722a 2084
868e9144
SC		 2085 if (qlcnic_83xx_check(adapter)) {
2086 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2087 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2088 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2089 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2090 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2091 } else {
2092 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2093 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2094 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2095 }
2096
4be41e92
SC		 2097 /* clear stats */
2098 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 2099err_out:
2100 return err;
2101}
2102
2103static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2104{
4da005cf
SS		 2105 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2106
b1fc6d3c
AC		 2107 kfree(adapter->recv_ctx);
2108 adapter->recv_ctx = NULL;
2109
4da005cf
SS		 2110 if (fw_dump->tmpl_hdr) {
2111 vfree(fw_dump->tmpl_hdr);
2112 fw_dump->tmpl_hdr = NULL;
2113 }
2114
2115 if (fw_dump->dma_buffer) {
2116 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2117 fw_dump->dma_buffer, fw_dump->phys_addr);
2118 fw_dump->dma_buffer = NULL;
18f2f616 2119 }
4be41e92 2120
81d0aeb0 2121 kfree(adapter->ahw->reset.buff);
4be41e92 2122 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 2123}
2124
7eb9855d
AKS		 2125int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2126{
2127 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2128 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 2129 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 2130 int ring;
2131 int ret;
2132
2133 netif_device_detach(netdev);
2134
2135 if (netif_running(netdev))
2136 __qlcnic_down(adapter, netdev);
2137
2138 qlcnic_detach(adapter);
2139
34e8c406 2140 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
79788450 2141 adapter->ahw->diag_test = test;
4be41e92 2142 adapter->ahw->linkup = 0;
7eb9855d
AKS		 2143
2144 ret = qlcnic_attach(adapter);
34ce3626
AKS		 2145 if (ret) {
2146 netif_device_attach(netdev);
7eb9855d 2147 return ret;
34ce3626 2148 }
7eb9855d 2149
8a15ad1f
AKS		 2150 ret = qlcnic_fw_create_ctx(adapter);
2151 if (ret) {
2152 qlcnic_detach(adapter);
57e46248 2153 netif_device_attach(netdev);
8a15ad1f
AKS		 2154 return ret;
2155 }
2156
2157 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 2158 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 2159 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 2160 }
2161
79788450 2162 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2163 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2164 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2165 qlcnic_enable_sds_intr(adapter, sds_ring);
cdaff185 2166 }
7eb9855d 2167 }
22c8c934 2168
79788450 2169 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 2170 adapter->ahw->loopback_state = 0;
2171 qlcnic_linkevent_request(adapter, 1);
2172 }
2173
78ad3892 2174 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 2175
2176 return 0;
2177}
2178
68bf1c68
AKS		 2179/* Reset context in hardware only */
2180static int
2181qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2182{
2183 struct net_device *netdev = adapter->netdev;
2184
2185 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2186 return -EBUSY;
2187
2188 netif_device_detach(netdev);
2189
2190 qlcnic_down(adapter, netdev);
2191
2192 qlcnic_up(adapter, netdev);
2193
2194 netif_device_attach(netdev);
2195
2196 clear_bit(__QLCNIC_RESETTING, &adapter->state);
95b3890a 2197 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
68bf1c68
AKS		 2198 return 0;
2199}
2200
af19b491
AKS		 2201int
2202qlcnic_reset_context(struct qlcnic_adapter *adapter)
2203{
2204 int err = 0;
2205 struct net_device *netdev = adapter->netdev;
2206
2207 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2208 return -EBUSY;
2209
2210 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2211
2212 netif_device_detach(netdev);
2213
2214 if (netif_running(netdev))
2215 __qlcnic_down(adapter, netdev);
2216
2217 qlcnic_detach(adapter);
2218
2219 if (netif_running(netdev)) {
2220 err = qlcnic_attach(adapter);
1d5c88e3 2221 if (!err) {
34ce3626 2222 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 2223 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2224 }
af19b491
AKS		 2225 }
2226
2227 netif_device_attach(netdev);
2228 }
2229
af19b491
AKS		 2230 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2231 return err;
2232}
2233
21041400 2234static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
52e493d0
JK		 2235{
2236 struct qlcnic_hardware_context *ahw = adapter->ahw;
2f514c52 2237 u16 act_pci_fn = ahw->total_nic_func;
52e493d0
JK		 2238 u16 count;
2239
2240 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2241 if (act_pci_fn <= 2)
2242 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2243 act_pci_fn;
2244 else
2245 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2246 act_pci_fn;
2247 ahw->max_uc_count = count;
2248}
2249
84d7ad2c
SS		 2250static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2251 u8 tx_queues, u8 rx_queues)
2252{
2253 struct net_device *netdev = adapter->netdev;
2254 int err = 0;
2255
2256 if (tx_queues) {
2257 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2258 if (err) {
2259 netdev_err(netdev, "failed to set %d Tx queues\n",
2260 tx_queues);
2261 return err;
2262 }
2263 }
2264
2265 if (rx_queues) {
2266 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2267 if (err)
2268 netdev_err(netdev, "failed to set %d Rx queues\n",
2269 rx_queues);
2270 }
2271
2272 return err;
2273}
2274
f8468331 2275int
5ad6ff9d
SC		 2276qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2277 int pci_using_dac)
af19b491
AKS		 2278{
2279 int err;
2280 struct pci_dev *pdev = adapter->pdev;
2281
13159183 2282 adapter->rx_csum = 1;
79788450 2283 adapter->ahw->mc_enabled = 0;
52e493d0 2284 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2285
2286 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2287 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2288
2289 qlcnic_change_mtu(netdev, netdev->mtu);
2290
7ad24ea4
WK		 2291 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2292 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
af19b491 2293
7e38d04b 2294 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2295 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2296 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2297 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2298 NETIF_F_IPV6_CSUM);
ac8d0c4f 2299
13159183
SC		 2300 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2301 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2302 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2303 }
af19b491 2304
13159183
SC		 2305 if (pci_using_dac) {
2306 netdev->features |= NETIF_F_HIGHDMA;
2307 netdev->vlan_features |= NETIF_F_HIGHDMA;
2308 }
af19b491 2309
13159183 2310 if (qlcnic_vlan_tx_check(adapter))
f646968f 2311 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2312
91b7282b
RB		 2313 if (qlcnic_sriov_vf_check(adapter))
2314 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2315
13159183
SC		 2316 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2317 netdev->features |= NETIF_F_LRO;
135d84a9 2318
381709de
SS		 2319 if (qlcnic_encap_tx_offload(adapter)) {
2320 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2321
2322 /* encapsulation Tx offload supported by Adapter */
2323 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2324 NETIF_F_GSO_UDP_TUNNEL |
2325 NETIF_F_TSO |
2326 NETIF_F_TSO6;
2327 }
2328
2b3d7b75
SS		 2329 if (qlcnic_encap_rx_offload(adapter))
2330 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2331
7e38d04b 2332 netdev->hw_features = netdev->features;
52e493d0 2333 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2334 netdev->irq = adapter->msix_entries[0].vector;
2335
84d7ad2c
SS		 2336 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2337 adapter->drv_sds_rings);
aa4a1f7d
HM		 2338 if (err)
2339 return err;
012ec812 2340
cd1560e2
RB		 2341 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2342
af19b491
AKS		 2343 err = register_netdev(netdev);
2344 if (err) {
2345 dev_err(&pdev->dev, "failed to register net device\n");
2346 return err;
2347 }
2348
2349 return 0;
2350}
2351
5ad6ff9d 2352static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2353{
2354 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2355 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2356 *pci_using_dac = 1;
2357 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2358 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2359 *pci_using_dac = 0;
2360 else {
2361 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2362 return -EIO;
2363 }
2364
2365 return 0;
2366}
2367
4be41e92
SC		 2368void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2369{
2370 int ring;
2371 struct qlcnic_host_tx_ring *tx_ring;
2372
34e8c406 2373 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92 2374 tx_ring = &adapter->tx_ring[ring];
7061b2bd 2375 if (tx_ring) {
4be41e92
SC		 2376 vfree(tx_ring->cmd_buf_arr);
2377 tx_ring->cmd_buf_arr = NULL;
2378 }
2379 }
7061b2bd 2380 kfree(adapter->tx_ring);
4be41e92
SC		 2381}
2382
2383int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2384 struct net_device *netdev)
2385{
b2adaca9 2386 int ring, vector, index;
4be41e92
SC		 2387 struct qlcnic_host_tx_ring *tx_ring;
2388 struct qlcnic_cmd_buffer *cmd_buf_arr;
2389
34e8c406 2390 tx_ring = kcalloc(adapter->drv_tx_rings,
b2adaca9
JP		 2391 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2392 if (tx_ring == NULL)
4be41e92 2393 return -ENOMEM;
b2adaca9 2394
4be41e92
SC		 2395 adapter->tx_ring = tx_ring;
2396
34e8c406 2397 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2398 tx_ring = &adapter->tx_ring[ring];
2399 tx_ring->num_desc = adapter->num_txd;
2400 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2401 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2402 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2403 qlcnic_free_tx_rings(adapter);
2404 return -ENOMEM;
2405 }
4be41e92 2406 tx_ring->cmd_buf_arr = cmd_buf_arr;
a02bdd42 2407 spin_lock_init(&tx_ring->tx_clean_lock);
4be41e92
SC		 2408 }
2409
012ec812
HM		 2410 if (qlcnic_83xx_check(adapter) ||
2411 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
34e8c406 2412 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2413 tx_ring = &adapter->tx_ring[ring];
2414 tx_ring->adapter = adapter;
2415 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
34e8c406 2416 index = adapter->drv_sds_rings + ring;
4be41e92
SC		 2417 vector = adapter->msix_entries[index].vector;
2418 tx_ring->irq = vector;
2419 }
2420 }
2421 }
012ec812 2422
4be41e92
SC		 2423 return 0;
2424}
2425
8af3f33d
PP		 2426void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2427{
2428 struct qlcnic_hardware_context *ahw = adapter->ahw;
2429 u32 fw_cmd = 0;
2430
2431 if (qlcnic_82xx_check(adapter))
2432 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2433 else if (qlcnic_83xx_check(adapter))
2434 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2435
d6994ca7 2436 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2437 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2438}
2439
2c97e9e2
SC		 2440/* Reset firmware API lock */
2441static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2442{
2443 qlcnic_api_lock(adapter);
2444 qlcnic_api_unlock(adapter);
2445}
2446
2447
6bb58bb0 2448static int
af19b491
AKS		 2449qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2450{
2451 struct net_device *netdev = NULL;
2452 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2453 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2454 int err, pci_using_dac = -1;
7bc48646 2455 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 2456
2457 err = pci_enable_device(pdev);
2458 if (err)
2459 return err;
2460
2461 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2462 err = -ENODEV;
2463 goto err_out_disable_pdev;
2464 }
2465
1bb09fb9
AKS		 2466 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2467 if (err)
2468 goto err_out_disable_pdev;
2469
af19b491
AKS		 2470 err = pci_request_regions(pdev, qlcnic_driver_name);
2471 if (err)
2472 goto err_out_disable_pdev;
2473
2474 pci_set_master(pdev);
451724c8 2475 pci_enable_pcie_error_reporting(pdev);
af19b491 2476
7e2cf4fe 2477 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2478 if (!ahw) {
2479 err = -ENOMEM;
7e2cf4fe 2480 goto err_out_free_res;
02135582 2481 }
7e2cf4fe 2482
f8468331
RB		 2483 switch (ent->device) {
2484 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2485 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2486 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2487 break;
2488 case PCI_DEVICE_ID_QLOGIC_QLE834X:
40e2b8ed 2489 case PCI_DEVICE_ID_QLOGIC_QLE8830:
15ca140f 2490 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2491 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2492 break;
2493 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2494 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2495 qlcnic_sriov_vf_register_map(ahw);
2496 break;
2497 default:
13159183 2498 goto err_out_free_hw_res;
7e2cf4fe
SC		 2499 }
2500
2501 err = qlcnic_setup_pci_map(pdev, ahw);
2502 if (err)
2503 goto err_out_free_hw_res;
2504
012ec812
HM		 2505 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2506 QLCNIC_MAX_TX_RINGS);
af19b491 2507 if (!netdev) {
af19b491 2508 err = -ENOMEM;
7e2cf4fe 2509 goto err_out_iounmap;
af19b491
AKS		 2510 }
2511
2512 SET_NETDEV_DEV(netdev, &pdev->dev);
2513
2514 adapter = netdev_priv(netdev);
2515 adapter->netdev = netdev;
2516 adapter->pdev = pdev;
13159183
SC		 2517 adapter->ahw = ahw;
2518
2519 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2520 if (adapter->qlcnic_wq == NULL) {
02135582 2521 err = -ENOMEM;
13159183
SC		 2522 dev_err(&pdev->dev, "Failed to create workqueue\n");
2523 goto err_out_free_netdev;
2524 }
af19b491 2525
2dfc9671
PST		 2526 err = qlcnic_alloc_adapter_resources(adapter);
2527 if (err)
2b1f18a4 2528 goto err_out_free_wq;
b1fc6d3c
AC		 2529
2530 adapter->dev_rst_time = jiffies;
2f514c52
JK		 2531 ahw->revision_id = pdev->revision;
2532 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
fe1adc6b
JK		 2533 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2534 adapter->fdb_mac_learn = true;
2535 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2536 adapter->drv_mac_learn = true;
af19b491 2537
b1fc6d3c
AC		 2538 rwlock_init(&adapter->ahw->crb_lock);
2539 mutex_init(&adapter->ahw->mem_lock);
af19b491 2540
af19b491
AKS		 2541 INIT_LIST_HEAD(&adapter->mac_list);
2542
14d385b9
SC		 2543 qlcnic_register_dcb(adapter);
2544
7e2cf4fe 2545 if (qlcnic_82xx_check(adapter)) {
13159183 2546 qlcnic_check_vf(adapter, ent);
7e2cf4fe 2547 adapter->portnum = adapter->ahw->pci_func;
2c97e9e2 2548 qlcnic_reset_api_lock(adapter);
7e2cf4fe
SC		 2549 err = qlcnic_start_firmware(adapter);
2550 if (err) {
66451615
SC		 2551 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2552 "\t\tIf reboot doesn't help, try flashing the card\n");
2553 goto err_out_maintenance_mode;
7e2cf4fe 2554 }
af19b491 2555
34e8c406
HM		 2556 /* compute and set default and max tx/sds rings */
2557 if (adapter->ahw->msix_supported) {
2558 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2559 qlcnic_set_tx_ring_count(adapter,
2560 QLCNIC_SINGLE_RING);
2561 else
2562 qlcnic_set_tx_ring_count(adapter,
2563 QLCNIC_DEF_TX_RINGS);
2564 qlcnic_set_sds_ring_count(adapter,
2565 QLCNIC_DEF_SDS_RINGS);
2566 } else {
2567 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2568 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
012ec812
HM		 2569 }
2570
7e2cf4fe
SC		 2571 err = qlcnic_setup_idc_param(adapter);
2572 if (err)
2573 goto err_out_free_hw;
b0044bcf 2574
7e2cf4fe 2575 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2576
13159183
SC		 2577 } else if (qlcnic_83xx_check(adapter)) {
2578 qlcnic_83xx_check_vf(adapter, ent);
2579 adapter->portnum = adapter->ahw->pci_func;
f8468331 2580 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac 2581 if (err) {
78ea2d97
SC		 2582 switch (err) {
2583 case -ENOTRECOVERABLE:
2a355aec
SC		 2584 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2585 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
78ea2d97
SC		 2586 goto err_out_free_hw;
2587 case -ENOMEM:
2588 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2589 goto err_out_free_hw;
aaecf51c
SC		 2590 case -EOPNOTSUPP:
2591 dev_err(&pdev->dev, "Adapter initialization failed\n");
2592 goto err_out_free_hw;
78ea2d97 2593 default:
c65762fc 2594 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
78ea2d97
SC		 2595 goto err_out_maintenance_mode;
2596 }
629263ac 2597 }
78ea2d97 2598
f8468331
RB		 2599 if (qlcnic_sriov_vf_check(adapter))
2600 return 0;
13159183
SC		 2601 } else {
2602 dev_err(&pdev->dev,
2603 "%s: failed. Please Reboot\n", __func__);
7824acd9 2604 err = -ENODEV;
13159183 2605 goto err_out_free_hw;
a7fc948f 2606 }
af19b491 2607
da48e6c3
RB		 2608 if (qlcnic_read_mac_addr(adapter))
2609 dev_warn(&pdev->dev, "failed to read mac addr\n");
2610
07a251c8
SS		 2611 qlcnic_read_phys_port_id(adapter);
2612
da48e6c3 2613 if (adapter->portnum == 0) {
22999798 2614 qlcnic_get_board_name(adapter, board_name);
13159183 2615
da48e6c3 2616 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2617 module_name(THIS_MODULE),
2618 board_name, adapter->ahw->revision_id);
da48e6c3 2619 }
460374f7
HM		 2620
2621 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2622 !!qlcnic_use_msi)
2623 dev_warn(&pdev->dev,
01b91f4c 2624 "Device does not support MSI interrupts\n");
460374f7 2625
068a8d19 2626 if (qlcnic_82xx_check(adapter)) {
4d52e1e8
SC		 2627 qlcnic_dcb_enable(adapter->dcb);
2628 qlcnic_dcb_get_info(adapter->dcb);
34e8c406 2629 err = qlcnic_setup_intr(adapter);
4d52e1e8 2630
068a8d19
MC		 2631 if (err) {
2632 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2633 goto err_out_disable_msi;
068a8d19 2634 }
13159183 2635 }
af19b491 2636
02135582
SC		 2637 err = qlcnic_get_act_pci_func(adapter);
2638 if (err)
2639 goto err_out_disable_mbx_intr;
2640
bf63014f
RB		 2641 if (adapter->portnum == 0)
2642 qlcnic_set_drv_version(adapter);
2643
1bb09fb9 2644 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2645 if (err)
7e2cf4fe 2646 goto err_out_disable_mbx_intr;
af19b491
AKS		 2647
2648 pci_set_drvdata(pdev, adapter);
2649
97ee45eb
SC		 2650 if (qlcnic_82xx_check(adapter))
2651 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2652 FW_POLL_DELAY);
af19b491 2653
b1fc6d3c 2654 switch (adapter->ahw->port_type) {
af19b491
AKS		 2655 case QLCNIC_GBE:
2656 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2657 adapter->netdev->name);
2658 break;
2659 case QLCNIC_XGBE:
2660 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2661 adapter->netdev->name);
2662 break;
2663 }
2664
fe1adc6b 2665 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2666 qlcnic_alloc_lb_filters_mem(adapter);
2667
7e2cf4fe 2668 qlcnic_add_sysfs(adapter);
1f0f467b 2669 qlcnic_register_hwmon_dev(adapter);
af19b491
AKS		 2670 return 0;
2671
7e2cf4fe 2672err_out_disable_mbx_intr:
7dd90cf1 2673 if (qlcnic_83xx_check(adapter))
13159183 2674 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2675
af19b491
AKS		 2676err_out_disable_msi:
2677 qlcnic_teardown_intr(adapter);
7e2cf4fe 2678 qlcnic_cancel_idc_work(adapter);
21854f02 2679 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2680
b1fc6d3c
AC		 2681err_out_free_hw:
2682 qlcnic_free_adapter_resources(adapter);
2683
2b1f18a4
WY		 2684err_out_free_wq:
2685 destroy_workqueue(adapter->qlcnic_wq);
2686
af19b491
AKS		 2687err_out_free_netdev:
2688 free_netdev(netdev);
2689
7e2cf4fe 2690err_out_iounmap:
f1a094a8 2691 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2692
2693err_out_free_hw_res:
2694 kfree(ahw);
2695
af19b491
AKS		 2696err_out_free_res:
2697 pci_release_regions(pdev);
2698
2699err_out_disable_pdev:
af19b491
AKS		 2700 pci_disable_device(pdev);
2701 return err;
66451615
SC		 2702
2703err_out_maintenance_mode:
78ea2d97 2704 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615 2705 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
7ad24ea4 2706 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
78ea2d97
SC		 2707 ahw->port_type = QLCNIC_XGBE;
2708
2709 if (qlcnic_83xx_check(adapter))
2710 adapter->tgt_status_reg = NULL;
2711 else
2712 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2713
66451615
SC		 2714 err = register_netdev(netdev);
2715
2716 if (err) {
2717 dev_err(&pdev->dev, "Failed to register net device\n");
2718 qlcnic_clr_all_drv_state(adapter, 0);
2719 goto err_out_free_hw;
2720 }
2721
2722 pci_set_drvdata(pdev, adapter);
2723 qlcnic_add_sysfs(adapter);
2724
2725 return 0;
af19b491
AKS		 2726}
2727
6bb58bb0 2728static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2729{
2730 struct qlcnic_adapter *adapter;
2731 struct net_device *netdev;
13159183 2732 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2733
2734 adapter = pci_get_drvdata(pdev);
2735 if (adapter == NULL)
2736 return;
2737
2738 netdev = adapter->netdev;
2739
13159183 2740 qlcnic_cancel_idc_work(adapter);
132a3f2b 2741 qlcnic_sriov_pf_disable(adapter);
13159183 2742 ahw = adapter->ahw;
af19b491
AKS		 2743
2744 unregister_netdev(netdev);
02feda17 2745 qlcnic_sriov_cleanup(adapter);
af19b491 2746
13159183 2747 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 2748 qlcnic_83xx_initialize_nic(adapter, 0);
3d73b5fd 2749 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2750 qlcnic_83xx_free_mbx_intr(adapter);
2751 qlcnic_83xx_detach_mailbox_work(adapter);
2752 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2753 kfree(ahw->fw_info);
13159183
SC		 2754 }
2755
3720bf79 2756 qlcnic_dcb_free(adapter->dcb);
af19b491 2757 qlcnic_detach(adapter);
7061b2bd
ME		 2758 kfree(adapter->npars);
2759 kfree(adapter->eswitch);
2e9d722d 2760
97ee45eb
SC		 2761 if (qlcnic_82xx_check(adapter))
2762 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2763
2764 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2765
b5e5492c
AKS		 2766 qlcnic_free_lb_filters_mem(adapter);
2767
af19b491
AKS		 2768 qlcnic_teardown_intr(adapter);
2769
13159183 2770 qlcnic_remove_sysfs(adapter);
af19b491 2771
1f0f467b
HP		 2772 qlcnic_unregister_hwmon_dev(adapter);
2773
f1a094a8 2774 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2775
2776 qlcnic_release_firmware(adapter);
2777
451724c8 2778 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2779 pci_release_regions(pdev);
2780 pci_disable_device(pdev);
af19b491 2781
13159183
SC		 2782 if (adapter->qlcnic_wq) {
2783 destroy_workqueue(adapter->qlcnic_wq);
2784 adapter->qlcnic_wq = NULL;
2785 }
14d385b9 2786
b1fc6d3c 2787 qlcnic_free_adapter_resources(adapter);
13159183 2788 kfree(ahw);
af19b491
AKS		 2789 free_netdev(netdev);
2790}
af19b491
AKS		 2791
2792static void qlcnic_shutdown(struct pci_dev *pdev)
2793{
2794 if (__qlcnic_shutdown(pdev))
2795 return;
2796
2797 pci_disable_device(pdev);
2798}
2799
2800#ifdef CONFIG_PM
486a5bc7 2801static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2802{
2803 int retval;
2804
2805 retval = __qlcnic_shutdown(pdev);
2806 if (retval)
2807 return retval;
2808
2809 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2810 return 0;
2811}
2812
486a5bc7 2813static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2814{
2815 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2816 int err;
2817
2818 err = pci_enable_device(pdev);
2819 if (err)
2820 return err;
2821
2822 pci_set_power_state(pdev, PCI_D0);
2823 pci_set_master(pdev);
2824 pci_restore_state(pdev);
2825
486a5bc7 2826 return __qlcnic_resume(adapter);
af19b491
AKS		 2827}
2828#endif
2829
2830static int qlcnic_open(struct net_device *netdev)
2831{
2832 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2833 int err;
2834
78ea2d97
SC		 2835 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2836 netdev_err(netdev, "%s: Device is in non-operational state\n",
2837 __func__);
66451615
SC		 2838
2839 return -EIO;
2840 }
2841
c55ad8e5
AKS		 2842 netif_carrier_off(netdev);
2843
af19b491
AKS		 2844 err = qlcnic_attach(adapter);
2845 if (err)
2846 return err;
2847
2848 err = __qlcnic_up(adapter, netdev);
2849 if (err)
060d0564 2850 qlcnic_detach(adapter);
af19b491 2851
af19b491
AKS		 2852 return err;
2853}
2854
2855/*
2856 * qlcnic_close - Disables a network interface entry point
2857 */
2858static int qlcnic_close(struct net_device *netdev)
2859{
2860 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2861
2862 __qlcnic_down(adapter, netdev);
13159183 2863
af19b491
AKS		 2864 return 0;
2865}
2866
d747c333
RB		 2867#define QLCNIC_VF_LB_BUCKET_SIZE 1
2868
e5dcf6dc 2869void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2870{
2871 void *head;
2872 int i;
13159183
SC		 2873 struct net_device *netdev = adapter->netdev;
2874 u32 filter_size = 0;
2875 u16 act_pci_func = 0;
b5e5492c 2876
e5dcf6dc 2877 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2878 return;
2879
2f514c52 2880 act_pci_func = adapter->ahw->total_nic_func;
b5e5492c 2881 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2882 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2883
d747c333
RB		 2884 if (qlcnic_sriov_vf_check(adapter)) {
2885 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2886 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2887 } else if (qlcnic_82xx_check(adapter)) {
13159183
SC		 2888 filter_size = QLCNIC_LB_MAX_FILTERS;
2889 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2890 } else {
2891 filter_size = QLC_83XX_LB_MAX_FILTERS;
2892 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2893 }
2894
2895 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2896 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2897
b5e5492c
AKS		 2898 if (!head)
2899 return;
2900
13159183 2901 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2902 adapter->fhash.fhead = head;
b5e5492c 2903
13159183
SC		 2904 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2905 act_pci_func, adapter->fhash.fmax);
2906
2907 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2908 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2909
2910 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2911
2912 head = kcalloc(adapter->rx_fhash.fbucket_size,
2913 sizeof(struct hlist_head), GFP_ATOMIC);
2914
2915 if (!head)
2916 return;
2917
2918 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2919 adapter->rx_fhash.fhead = head;
2920
2921 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2922 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2923}
2924
2925static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2926{
7061b2bd 2927 if (adapter->fhash.fmax)
b5e5492c
AKS		 2928 kfree(adapter->fhash.fhead);
2929
2930 adapter->fhash.fhead = NULL;
2931 adapter->fhash.fmax = 0;
53643a75 2932
7061b2bd 2933 if (adapter->rx_fhash.fmax)
53643a75
SS		 2934 kfree(adapter->rx_fhash.fhead);
2935
2936 adapter->rx_fhash.fmax = 0;
2937 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2938}
2939
629263ac 2940int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2941{
2942 struct net_device *netdev = adapter->netdev;
97ee45eb 2943 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2944 int rv = 0;
2945
13159183
SC		 2946 if (qlcnic_83xx_check(adapter))
2947 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2948
97ee45eb 2949 if (qlcnic_82xx_check(adapter))
a15ebd37 2950 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2951
2952 temp_state = qlcnic_get_temp_state(temp);
2953 temp_val = qlcnic_get_temp_val(temp);
2954
2955 if (temp_state == QLCNIC_TEMP_PANIC) {
2956 dev_err(&netdev->dev,
2957 "Device temperature %d degrees C exceeds"
2958 " maximum allowed. Hardware has been shut down.\n",
2959 temp_val);
2960 rv = 1;
2961 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2962 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2963 dev_err(&netdev->dev,
2964 "Device temperature %d degrees C "
2965 "exceeds operating range."
2966 " Immediate action needed.\n",
2967 temp_val);
2968 }
2969 } else {
79788450 2970 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2971 dev_info(&netdev->dev,
2972 "Device temperature is now %d degrees C"
2973 " in normal range.\n", temp_val);
2974 }
2975 }
79788450 2976 adapter->ahw->temp = temp_state;
af19b491
AKS		 2977 return rv;
2978}
2979
95b3890a 2980static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
af19b491 2981{
95b3890a
HM		 2982 int i;
2983 struct cmd_desc_type0 *tx_desc_info;
2984
2985 for (i = 0; i < tx_ring->num_desc; i++) {
2986 tx_desc_info = &tx_ring->desc_head[i];
2987 pr_info("TX Desc: %d\n", i);
2988 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2989 &tx_ring->desc_head[i],
2990 sizeof(struct cmd_desc_type0), true);
2991 }
2992}
2993
665d1eca 2994static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
95b3890a 2995{
665d1eca 2996 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
95b3890a 2997 struct net_device *netdev = adapter->netdev;
665d1eca
HP		 2998 struct qlcnic_host_rds_ring *rds_ring;
2999 struct qlcnic_host_sds_ring *sds_ring;
012ec812
HM		 3000 struct qlcnic_host_tx_ring *tx_ring;
3001 int ring;
af19b491 3002
95b3890a
HM		 3003 if (!netdev || !netif_running(netdev))
3004 return;
3005
665d1eca
HP		 3006 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
3007 rds_ring = &recv_ctx->rds_rings[ring];
3008 if (!rds_ring)
3009 continue;
3010 netdev_info(netdev,
3011 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3012 ring, readl(rds_ring->crb_rcv_producer),
3013 rds_ring->producer, rds_ring->num_desc);
3014 }
3015
3016 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3017 sds_ring = &(recv_ctx->sds_rings[ring]);
3018 if (!sds_ring)
3019 continue;
3020 netdev_info(netdev,
3021 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3022 ring, readl(sds_ring->crb_sts_consumer),
3023 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3024 sds_ring->num_desc);
3025 }
3026
95b3890a
HM		 3027 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3028 tx_ring = &adapter->tx_ring[ring];
665d1eca
HP		 3029 if (!tx_ring)
3030 continue;
95b3890a
HM		 3031 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3032 ring, tx_ring->ctx_id);
3033 netdev_info(netdev,
3034 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3035 tx_ring->tx_stats.xmit_finished,
3036 tx_ring->tx_stats.xmit_called,
3037 tx_ring->tx_stats.xmit_on,
3038 tx_ring->tx_stats.xmit_off);
d5d2bf3e
MC		 3039
3040 if (tx_ring->crb_intr_mask)
3041 netdev_info(netdev, "crb_intr_mask=%d\n",
3042 readl(tx_ring->crb_intr_mask));
3043
95b3890a 3044 netdev_info(netdev,
d5d2bf3e 3045 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
95b3890a
HM		 3046 readl(tx_ring->crb_cmd_producer),
3047 tx_ring->producer, tx_ring->sw_consumer,
3048 le32_to_cpu(*(tx_ring->hw_consumer)));
3049
3050 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3051 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3052
665d1eca 3053 if (netif_msg_tx_err(adapter->ahw))
95b3890a
HM		 3054 dump_tx_ring_desc(tx_ring);
3055 }
665d1eca 3056
95b3890a
HM		 3057}
3058
3059static void qlcnic_tx_timeout(struct net_device *netdev)
3060{
3061 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3062
af19b491
AKS		 3063 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3064 return;
3065
665d1eca
HP		 3066 qlcnic_dump_rings(adapter);
3067
3068 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3069 netif_msg_tx_err(adapter->ahw)) {
3070 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
536faa61
SC		 3071 if (qlcnic_82xx_check(adapter))
3072 adapter->need_fw_reset = 1;
3073 else if (qlcnic_83xx_check(adapter))
3074 qlcnic_83xx_idc_request_reset(adapter,
3075 QLCNIC_FORCE_FW_DUMP_KEY);
3076 } else {
665d1eca 3077 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
79788450 3078 adapter->ahw->reset_context = 1;
536faa61 3079 }
af19b491
AKS		 3080}
3081
3082static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3083{
3084 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3085 struct net_device_stats *stats = &netdev->stats;
3086
1ac6762a
MC		 3087 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3088 qlcnic_update_stats(adapter);
3089
af19b491
AKS		 3090 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3091 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 3092 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 3093 stats->tx_bytes = adapter->stats.txbytes;
3094 stats->rx_dropped = adapter->stats.rxdropped;
3095 stats->tx_dropped = adapter->stats.txdropped;
3096
3097 return stats;
3098}
3099
21041400 3100static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 3101{
af19b491
AKS		 3102 u32 status;
3103
3104 status = readl(adapter->isr_int_vec);
3105
79788450 3106 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 3107 return IRQ_NONE;
3108
3109 /* check interrupt state machine, to be sure */
3110 status = readl(adapter->crb_int_state_reg);
3111 if (!ISR_LEGACY_INT_TRIGGERED(status))
3112 return IRQ_NONE;
3113
3114 writel(0xffffffff, adapter->tgt_status_reg);
3115 /* read twice to ensure write is flushed */
3116 readl(adapter->isr_int_vec);
3117 readl(adapter->isr_int_vec);
3118
7eb9855d
AKS		 3119 return IRQ_HANDLED;
3120}
3121
3122static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3123{
3124 struct qlcnic_host_sds_ring *sds_ring = data;
3125 struct qlcnic_adapter *adapter = sds_ring->adapter;
3126
3127 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3128 goto done;
3129 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3130 writel(0xffffffff, adapter->tgt_status_reg);
3131 goto done;
3132 }
3133
3134 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3135 return IRQ_NONE;
3136
3137done:
79788450 3138 adapter->ahw->diag_cnt++;
2cc5752e 3139 qlcnic_enable_sds_intr(adapter, sds_ring);
7eb9855d
AKS		 3140 return IRQ_HANDLED;
3141}
3142
3143static irqreturn_t qlcnic_intr(int irq, void *data)
3144{
3145 struct qlcnic_host_sds_ring *sds_ring = data;
3146 struct qlcnic_adapter *adapter = sds_ring->adapter;
3147
3148 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3149 return IRQ_NONE;
3150
af19b491
AKS		 3151 napi_schedule(&sds_ring->napi);
3152
3153 return IRQ_HANDLED;
3154}
3155
3156static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3157{
3158 struct qlcnic_host_sds_ring *sds_ring = data;
3159 struct qlcnic_adapter *adapter = sds_ring->adapter;
3160
3161 /* clear interrupt */
3162 writel(0xffffffff, adapter->tgt_status_reg);
3163
3164 napi_schedule(&sds_ring->napi);
3165 return IRQ_HANDLED;
3166}
3167
3168static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3169{
3170 struct qlcnic_host_sds_ring *sds_ring = data;
3171
3172 napi_schedule(&sds_ring->napi);
3173 return IRQ_HANDLED;
3174}
3175
13159183
SC		 3176static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3177{
3178 struct qlcnic_host_tx_ring *tx_ring = data;
3179
3180 napi_schedule(&tx_ring->napi);
3181 return IRQ_HANDLED;
3182}
3183
af19b491
AKS		 3184#ifdef CONFIG_NET_POLL_CONTROLLER
3185static void qlcnic_poll_controller(struct net_device *netdev)
3186{
3187 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2b018ad9
M		 3188 struct qlcnic_host_sds_ring *sds_ring;
3189 struct qlcnic_recv_context *recv_ctx;
3190 struct qlcnic_host_tx_ring *tx_ring;
3191 int ring;
3192
3193 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3194 return;
3195
3196 recv_ctx = adapter->recv_ctx;
bf82791e 3197
34e8c406 3198 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
bf82791e 3199 sds_ring = &recv_ctx->sds_rings[ring];
2b018ad9
M		 3200 qlcnic_disable_sds_intr(adapter, sds_ring);
3201 napi_schedule(&sds_ring->napi);
3202 }
3203
3204 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3205 /* Only Multi-Tx queue capable devices need to
3206 * schedule NAPI for TX rings
3207 */
3208 if ((qlcnic_83xx_check(adapter) &&
3209 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3210 (qlcnic_82xx_check(adapter) &&
3211 !qlcnic_check_multi_tx(adapter)))
3212 return;
3213
3214 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3215 tx_ring = &adapter->tx_ring[ring];
3216 qlcnic_disable_tx_intr(adapter, tx_ring);
3217 napi_schedule(&tx_ring->napi);
3218 }
bf82791e 3219 }
af19b491
AKS		 3220}
3221#endif
3222
6df900e9
SC		 3223static void
3224qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3225{
3226 u32 val;
3227
3228 val = adapter->portnum & 0xf;
3229 val |= encoding << 7;
3230 val |= (jiffies - adapter->dev_rst_time) << 8;
3231
a15ebd37 3232 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 3233 adapter->dev_rst_time = jiffies;
3234}
3235
ade91f8e
AKS		 3236static int
3237qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 3238{
3239 u32 val;
3240
3241 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3242 state != QLCNIC_DEV_NEED_QUISCENT);
3243
3244 if (qlcnic_api_lock(adapter))
ade91f8e 3245 return -EIO;
af19b491 3246
a15ebd37 3247 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 3248
3249 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 3250 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 3251 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 3252 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 3253
a15ebd37 3254 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3255
3256 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 3257
3258 return 0;
af19b491
AKS		 3259}
3260
1b95a839
AKS		 3261static int
3262qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3263{
3264 u32 val;
3265
3266 if (qlcnic_api_lock(adapter))
3267 return -EBUSY;
3268
a15ebd37 3269 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3270 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3271 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 3272
3273 qlcnic_api_unlock(adapter);
3274
3275 return 0;
3276}
3277
486a5bc7 3278void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 3279{
3280 u32 val;
3281
3282 if (qlcnic_api_lock(adapter))
3283 goto err;
3284
a15ebd37 3285 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 3286 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 3287 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 3288
21854f02 3289 if (failed) {
a15ebd37
HM		 3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3291 QLCNIC_DEV_FAILED);
21854f02
AKS		 3292 dev_info(&adapter->pdev->dev,
3293 "Device state set to Failed. Please Reboot\n");
3294 } else if (!(val & 0x11111111))
a15ebd37
HM		 3295 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3296 QLCNIC_DEV_COLD);
af19b491 3297
a15ebd37 3298 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3299 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3300 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3301
3302 qlcnic_api_unlock(adapter);
3303err:
3304 adapter->fw_fail_cnt = 0;
032a13c7 3305 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 3306 clear_bit(__QLCNIC_START_FW, &adapter->state);
3307 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3308}
3309
f73dfc50 3310/* Grab api lock, before checking state */
af19b491
AKS		 3311static int
3312qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3313{
602ca6f0 3314 int act, state, active_mask;
a15ebd37 3315 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 3316
a15ebd37
HM		 3317 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3318 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 3319
602ca6f0 3320 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 3321 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 3322 act = act & active_mask;
3323 }
3324
af19b491
AKS		 3325 if (((state & 0x11111111) == (act & 0x11111111)) ||
3326 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3327 return 0;
3328 else
3329 return 1;
3330}
3331
96f8118c
SC		 3332static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3333{
a15ebd37 3334 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 3335
3336 if (val != QLCNIC_DRV_IDC_VER) {
3337 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3338 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3339 }
3340
3341 return 0;
3342}
3343
af19b491
AKS		 3344static int
3345qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3346{
3347 u32 val, prev_state;
aa5e18c0 3348 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 3349 u8 portnum = adapter->portnum;
96f8118c 3350 u8 ret;
af19b491 3351
f73dfc50
AKS		 3352 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3353 return 1;
3354
af19b491
AKS		 3355 if (qlcnic_api_lock(adapter))
3356 return -1;
3357
a15ebd37 3358 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 3359 if (!(val & (1 << (portnum * 4)))) {
3360 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 3361 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3362 }
3363
a15ebd37 3364 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3365 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3366
3367 switch (prev_state) {
3368 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3369 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3370 QLCNIC_DEV_INITIALIZING);
3371 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3372 QLCNIC_DRV_IDC_VER);
6df900e9 3373 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3374 qlcnic_api_unlock(adapter);
3375 return 1;
3376
3377 case QLCNIC_DEV_READY:
96f8118c 3378 ret = qlcnic_check_idc_ver(adapter);
af19b491 3379 qlcnic_api_unlock(adapter);
96f8118c 3380 return ret;
af19b491
AKS		 3381
3382 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3383 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3384 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3385 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3386 break;
3387
3388 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3389 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3390 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3391 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3392 break;
3393
3394 case QLCNIC_DEV_FAILED:
a7fc948f 3395 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3396 qlcnic_api_unlock(adapter);
3397 return -1;
bbd8c6a4
AKS		 3398
3399 case QLCNIC_DEV_INITIALIZING:
3400 case QLCNIC_DEV_QUISCENT:
3401 break;
af19b491
AKS		 3402 }
3403
3404 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3405
3406 do {
af19b491 3407 msleep(1000);
a15ebd37 3408 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3409
3410 if (prev_state == QLCNIC_DEV_QUISCENT)
3411 continue;
3412 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3413
65b5b420
AKS		 3414 if (!dev_init_timeo) {
3415 dev_err(&adapter->pdev->dev,
3416 "Waiting for device to initialize timeout\n");
af19b491 3417 return -1;
65b5b420 3418 }
af19b491
AKS		 3419
3420 if (qlcnic_api_lock(adapter))
3421 return -1;
3422
a15ebd37 3423 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3424 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3425 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3426
96f8118c 3427 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3428 qlcnic_api_unlock(adapter);
3429
96f8118c 3430 return ret;
af19b491
AKS		 3431}
3432
3433static void
3434qlcnic_fwinit_work(struct work_struct *work)
3435{
3436 struct qlcnic_adapter *adapter = container_of(work,
3437 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3438 u32 dev_state = 0xf;
7b749ff4 3439 u32 val;
af19b491 3440
f73dfc50
AKS		 3441 if (qlcnic_api_lock(adapter))
3442 goto err_ret;
af19b491 3443
a15ebd37 3444 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3445 if (dev_state == QLCNIC_DEV_QUISCENT ||
3446 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3447 qlcnic_api_unlock(adapter);
3448 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3449 FW_POLL_DELAY * 2);
3450 return;
3451 }
3452
79788450 3453 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3454 qlcnic_api_unlock(adapter);
3455 goto wait_npar;
9f26f547
AC		 3456 }
3457
16e3cf73
SV		 3458 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3459 dev_state == QLCNIC_DEV_READY) {
3460 dev_info(&adapter->pdev->dev, "Detected state change from "
3461 "DEV_NEED_RESET, skipping ack check\n");
3462 goto skip_ack_check;
3463 }
3464
f73dfc50 3465 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3466 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3467 adapter->reset_ack_timeo);
3468 goto skip_ack_check;
3469 }
3470
3471 if (!qlcnic_check_drv_state(adapter)) {
3472skip_ack_check:
a15ebd37 3473 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3474
f73dfc50 3475 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3476 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3477 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3478 set_bit(__QLCNIC_START_FW, &adapter->state);
3479 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3480 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3481 val = QLC_SHARED_REG_RD32(adapter,
3482 QLCNIC_CRB_DRV_STATE);
7b749ff4 3483 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3484 QLC_SHARED_REG_WR32(adapter,
3485 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3486 }
3487
f73dfc50
AKS		 3488 qlcnic_api_unlock(adapter);
3489
287e38aa 3490 rtnl_lock();
890b6e02 3491 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3492 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3493 QLCDB(adapter, DRV, "Take FW dump\n");
3494 qlcnic_dump_fw(adapter);
032a13c7 3495 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3496 }
287e38aa 3497 rtnl_unlock();
7b749ff4
SV		 3498
3499 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3500 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3501 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3502 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3503 return;
3504 }
af19b491
AKS		 3505 goto err_ret;
3506 }
3507
f73dfc50 3508 qlcnic_api_unlock(adapter);
aa5e18c0 3509
9f26f547 3510wait_npar:
a15ebd37 3511 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3512 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3513
af19b491 3514 switch (dev_state) {
3c4b23b1 3515 case QLCNIC_DEV_READY:
7e2cf4fe 3516 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3517 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3518 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3519 return;
3520 }
3c4b23b1
AKS		 3521 case QLCNIC_DEV_FAILED:
3522 break;
3523 default:
3524 qlcnic_schedule_work(adapter,
3525 qlcnic_fwinit_work, FW_POLL_DELAY);
3526 return;
af19b491
AKS		 3527 }
3528
3529err_ret:
f73dfc50
AKS		 3530 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3531 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3532 netif_device_attach(adapter->netdev);
21854f02 3533 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3534}
3535
3536static void
3537qlcnic_detach_work(struct work_struct *work)
3538{
3539 struct qlcnic_adapter *adapter = container_of(work,
3540 struct qlcnic_adapter, fw_work.work);
3541 struct net_device *netdev = adapter->netdev;
3542 u32 status;
3543
3544 netif_device_detach(netdev);
3545
b8c17620
AKS		 3546 /* Dont grab rtnl lock during Quiscent mode */
3547 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3548 if (netif_running(netdev))
3549 __qlcnic_down(adapter, netdev);
3550 } else
3551 qlcnic_down(adapter, netdev);
af19b491 3552
a15ebd37 3553 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3554
44f65b29
SC		 3555 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3556 dev_err(&adapter->pdev->dev,
3557 "Detaching the device: peg halt status1=0x%x\n",
3558 status);
3559
3560 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3561 dev_err(&adapter->pdev->dev,
3562 "On board active cooling fan failed. "
3563 "Device has been halted.\n");
3564 dev_err(&adapter->pdev->dev,
3565 "Replace the adapter.\n");
3566 }
3567
af19b491 3568 goto err_ret;
44f65b29 3569 }
af19b491 3570
79788450 3571 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3572 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3573 adapter->ahw->temp);
af19b491 3574 goto err_ret;
44f65b29
SC		 3575 }
3576
602ca6f0
SV		 3577 /* Dont ack if this instance is the reset owner */
3578 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3579 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3580 dev_err(&adapter->pdev->dev,
3581 "Failed to set driver state,"
3582 "detaching the device.\n");
602ca6f0 3583 goto err_ret;
44f65b29 3584 }
602ca6f0 3585 }
af19b491
AKS		 3586
3587 adapter->fw_wait_cnt = 0;
3588
3589 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3590
3591 return;
3592
3593err_ret:
34ce3626 3594 netif_device_attach(netdev);
21854f02 3595 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3596}
3597
3c4b23b1
AKS		 3598/*Transit NPAR state to NON Operational */
3599static void
3600qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3601{
3602 u32 state;
3603
a15ebd37 3604 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3605 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3606 return;
3607
3608 if (qlcnic_api_lock(adapter))
3609 return;
a15ebd37
HM		 3610 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3611 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3612 qlcnic_api_unlock(adapter);
3613}
3614
21041400 3615static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3616 u32 key)
af19b491 3617{
646779f1
SV		 3618 u32 state, xg_val = 0, gb_val = 0;
3619
3620 qlcnic_xg_set_xg0_mask(xg_val);
3621 qlcnic_xg_set_xg1_mask(xg_val);
3622 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3623 qlcnic_gb_set_gb0_mask(gb_val);
3624 qlcnic_gb_set_gb1_mask(gb_val);
3625 qlcnic_gb_set_gb2_mask(gb_val);
3626 qlcnic_gb_set_gb3_mask(gb_val);
3627 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3628 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3629 " on all ports\n");
cea8975e 3630 adapter->need_fw_reset = 1;
13159183 3631
af19b491
AKS		 3632 if (qlcnic_api_lock(adapter))
3633 return;
3634
13159183 3635 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3636
3637 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3638 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3639 __func__);
3640 qlcnic_api_unlock(adapter);
3641
3642 return;
3643 }
af19b491 3644
f73dfc50 3645 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3646 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3647 QLCNIC_DEV_NEED_RESET);
602ca6f0 3648 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3649 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3650 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3651 }
3652
13159183
SC		 3653 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3654 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3655 qlcnic_api_unlock(adapter);
3656}
3657
9f26f547
AC		 3658/* Transit to NPAR READY state from NPAR NOT READY state */
3659static void
3660qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3661{
9f26f547
AC		 3662 if (qlcnic_api_lock(adapter))
3663 return;
3664
a15ebd37
HM		 3665 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3666 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3667 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3668
3669 qlcnic_api_unlock(adapter);
3670}
3671
13159183
SC		 3672void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3673 work_func_t func, int delay)
af19b491 3674{
451724c8
SC		 3675 if (test_bit(__QLCNIC_AER, &adapter->state))
3676 return;
3677
af19b491 3678 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3679 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3680 round_jiffies_relative(delay));
af19b491
AKS		 3681}
3682
3683static void
3684qlcnic_attach_work(struct work_struct *work)
3685{
3686 struct qlcnic_adapter *adapter = container_of(work,
3687 struct qlcnic_adapter, fw_work.work);
3688 struct net_device *netdev = adapter->netdev;
b18971d1 3689 u32 npar_state;
af19b491 3690
79788450 3691 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3692 npar_state = QLC_SHARED_REG_RD32(adapter,
3693 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3694 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3695 qlcnic_clr_all_drv_state(adapter, 0);
3696 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3697 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3698 FW_POLL_DELAY);
3699 else
3700 goto attach;
3701 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3702 return;
3703 }
3704attach:
1de899d3 3705 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3706
af19b491 3707 if (netif_running(netdev)) {
52486a3a 3708 if (qlcnic_up(adapter, netdev))
af19b491 3709 goto done;
af19b491 3710
aec1e845 3711 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3712 }
3713
af19b491 3714done:
34ce3626 3715 netif_device_attach(netdev);
af19b491 3716 adapter->fw_fail_cnt = 0;
032a13c7 3717 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3718 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3719 if (adapter->portnum == 0)
3720 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3721
3722 if (!qlcnic_clr_drv_state(adapter))
3723 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3724 FW_POLL_DELAY);
af19b491
AKS		 3725}
3726
3727static int
3728qlcnic_check_health(struct qlcnic_adapter *adapter)
3729{
891e71b1
PP		 3730 struct qlcnic_hardware_context *ahw = adapter->ahw;
3731 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3732 u32 state = 0, heartbeat;
853d4bca 3733 u32 peg_status;
4bd8e738 3734 int err = 0;
af19b491
AKS		 3735
3736 if (qlcnic_check_temp(adapter))
3737 goto detach;
3738
2372a5f1 3739 if (adapter->need_fw_reset)
7e2cf4fe 3740 qlcnic_dev_request_reset(adapter, 0);
af19b491 3741
a15ebd37 3742 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3743 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3744 qlcnic_set_npar_non_operational(adapter);
af19b491 3745 adapter->need_fw_reset = 1;
b8c17620
AKS		 3746 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3747 goto detach;
af19b491 3748
a15ebd37 3749 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3750 if (heartbeat != adapter->heartbeat) {
3751 adapter->heartbeat = heartbeat;
af19b491
AKS		 3752 adapter->fw_fail_cnt = 0;
3753 if (adapter->need_fw_reset)
3754 goto detach;
68bf1c68 3755
891e71b1 3756 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3757 qlcnic_reset_hw_context(adapter);
68bf1c68 3758
af19b491
AKS		 3759 return 0;
3760 }
3761
3762 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3763 return 0;
3764
032a13c7
SV		 3765 adapter->flags |= QLCNIC_FW_HANG;
3766
7e2cf4fe 3767 qlcnic_dev_request_reset(adapter, 0);
af19b491 3768
099f7aa7 3769 if (qlcnic_auto_fw_reset)
0df170b6 3770 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3771
853d4bca 3772 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3773 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3774 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3775 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3776 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3777 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3778 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3779 peg_status,
3780 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3781 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3782 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3783 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3784 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3785 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3786 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3787 dev_err(&adapter->pdev->dev,
3788 "Firmware aborted with error code 0x00006700. "
3789 "Device is being reset.\n");
af19b491
AKS		 3790detach:
3791 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3792 QLCNIC_DEV_NEED_RESET;
3793
099f7aa7
SC		 3794 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3795 &adapter->state)) {
65b5b420 3796
af19b491 3797 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3798 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3799 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3800 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3801 qlcnic_dump_fw(adapter);
65b5b420 3802 }
af19b491
AKS		 3803
3804 return 1;
3805}
3806
486a5bc7 3807void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3808{
3809 struct qlcnic_adapter *adapter = container_of(work,
3810 struct qlcnic_adapter, fw_work.work);
3811
3812 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3813 goto reschedule;
3814
3815
3816 if (qlcnic_check_health(adapter))
3817 return;
3818
b5e5492c
AKS		 3819 if (adapter->fhash.fnum)
3820 qlcnic_prune_lb_filters(adapter);
3821
af19b491
AKS		 3822reschedule:
3823 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3824}
3825
451724c8
SC		 3826static int qlcnic_is_first_func(struct pci_dev *pdev)
3827{
3828 struct pci_dev *oth_pdev;
3829 int val = pdev->devfn;
3830
3831 while (val-- > 0) {
3832 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3833 (pdev->bus), pdev->bus->number,
3834 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3835 if (!oth_pdev)
3836 continue;
451724c8 3837
bfc978fa
AKS		 3838 if (oth_pdev->current_state != PCI_D3cold) {
3839 pci_dev_put(oth_pdev);
451724c8 3840 return 0;
bfc978fa
AKS		 3841 }
3842 pci_dev_put(oth_pdev);
451724c8
SC		 3843 }
3844 return 1;
3845}
3846
3847static int qlcnic_attach_func(struct pci_dev *pdev)
3848{
3849 int err, first_func;
3850 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3851 struct net_device *netdev = adapter->netdev;
3852
3853 pdev->error_state = pci_channel_io_normal;
3854
3855 err = pci_enable_device(pdev);
3856 if (err)
3857 return err;
3858
451724c8
SC		 3859 pci_set_master(pdev);
3860 pci_restore_state(pdev);
3861
3862 first_func = qlcnic_is_first_func(pdev);
3863
3864 if (qlcnic_api_lock(adapter))
3865 return -EINVAL;
3866
79788450 3867 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3868 adapter->need_fw_reset = 1;
3869 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3870 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3871 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3872 QLCDB(adapter, DRV, "Restarting fw\n");
3873 }
3874 qlcnic_api_unlock(adapter);
3875
13159183 3876 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3877 if (err)
3878 return err;
3879
3880 qlcnic_clr_drv_state(adapter);
13159183
SC		 3881 kfree(adapter->msix_entries);
3882 adapter->msix_entries = NULL;
34e8c406 3883 err = qlcnic_setup_intr(adapter);
13159183 3884
9a97e705
M		 3885 if (err) {
3886 kfree(adapter->msix_entries);
3887 netdev_err(netdev, "failed to setup interrupt\n");
3888 return err;
3889 }
3890
451724c8
SC		 3891 if (netif_running(netdev)) {
3892 err = qlcnic_attach(adapter);
3893 if (err) {
21854f02 3894 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3895 clear_bit(__QLCNIC_AER, &adapter->state);
3896 netif_device_attach(netdev);
3897 return err;
3898 }
3899
3900 err = qlcnic_up(adapter, netdev);
3901 if (err)
3902 goto done;
3903
aec1e845 3904 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3905 }
3906 done:
3907 netif_device_attach(netdev);
3908 return err;
3909}
3910
21041400 3911static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3912 pci_channel_state_t state)
451724c8
SC		 3913{
3914 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3915 struct net_device *netdev = adapter->netdev;
3916
3917 if (state == pci_channel_io_perm_failure)
3918 return PCI_ERS_RESULT_DISCONNECT;
3919
3920 if (state == pci_channel_io_normal)
3921 return PCI_ERS_RESULT_RECOVERED;
3922
3923 set_bit(__QLCNIC_AER, &adapter->state);
3924 netif_device_detach(netdev);
3925
3926 cancel_delayed_work_sync(&adapter->fw_work);
3927
3928 if (netif_running(netdev))
3929 qlcnic_down(adapter, netdev);
3930
3931 qlcnic_detach(adapter);
3932 qlcnic_teardown_intr(adapter);
3933
3934 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3935
3936 pci_save_state(pdev);
3937 pci_disable_device(pdev);
3938
3939 return PCI_ERS_RESULT_NEED_RESET;
3940}
3941
21041400 3942static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3943{
3944 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3945 PCI_ERS_RESULT_RECOVERED;
3946}
3947
21041400 3948static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3949{
a15ebd37 3950 u32 state;
451724c8
SC		 3951 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3952
3953 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3954 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3955 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3956 &adapter->state))
451724c8 3957 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3958 FW_POLL_DELAY);
451724c8
SC		 3959}
3960
4460f2e8
PP		 3961static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3962 pci_channel_state_t state)
3963{
3964 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3965 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3966
3967 if (hw_ops->io_error_detected) {
3968 return hw_ops->io_error_detected(pdev, state);
3969 } else {
3970 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3971 return PCI_ERS_RESULT_DISCONNECT;
3972 }
3973}
3974
3975static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3976{
3977 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3978 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3979
3980 if (hw_ops->io_slot_reset) {
3981 return hw_ops->io_slot_reset(pdev);
3982 } else {
3983 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3984 return PCI_ERS_RESULT_DISCONNECT;
3985 }
3986}
3987
3988static void qlcnic_io_resume(struct pci_dev *pdev)
3989{
3990 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3991 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3992
3993 if (hw_ops->io_resume)
3994 hw_ops->io_resume(pdev);
3995 else
3996 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3997}
3998
3999
87eb743b
AC		 4000static int
4001qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
4002{
4003 int err;
4004
4005 err = qlcnic_can_start_firmware(adapter);
4006 if (err)
4007 return err;
4008
78f84e1a
AKS		 4009 err = qlcnic_check_npar_opertional(adapter);
4010 if (err)
4011 return err;
3c4b23b1 4012
174240a8
RB		 4013 err = qlcnic_initialize_nic(adapter);
4014 if (err)
4015 return err;
4016
87eb743b
AC		 4017 qlcnic_check_options(adapter);
4018
7373373d
RB		 4019 err = qlcnic_set_eswitch_port_config(adapter);
4020 if (err)
4021 return err;
4022
87eb743b
AC		 4023 adapter->need_fw_reset = 0;
4024
4025 return err;
4026}
4027
34e8c406
HM		 4028int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4029 int queue_type)
aa4a1f7d
HM		 4030{
4031 struct net_device *netdev = adapter->netdev;
34e8c406
HM		 4032 u8 max_hw_rings = 0;
4033 char buf[8];
4034 int cur_rings;
4035
4036 if (queue_type == QLCNIC_RX_QUEUE) {
4037 max_hw_rings = adapter->max_sds_rings;
4038 cur_rings = adapter->drv_sds_rings;
4039 strcpy(buf, "SDS");
4040 } else if (queue_type == QLCNIC_TX_QUEUE) {
18afc102 4041 max_hw_rings = adapter->max_tx_rings;
34e8c406
HM		 4042 cur_rings = adapter->drv_tx_rings;
4043 strcpy(buf, "Tx");
aa4a1f7d
HM		 4044 }
4045
34e8c406
HM		 4046 if (!is_power_of_2(ring_cnt)) {
4047 netdev_err(netdev, "%s rings value should be a power of 2\n",
4048 buf);
aa4a1f7d
HM		 4049 return -EINVAL;
4050 }
4051
34e8c406
HM		 4052 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4053 !qlcnic_check_multi_tx(adapter)) {
4054 netdev_err(netdev, "No Multi Tx queue support\n");
4055 return -EINVAL;
f94bc1e7
SC		 4056 }
4057
34e8c406
HM		 4058 if (ring_cnt > num_online_cpus()) {
4059 netdev_err(netdev,
4060 "%s value[%u] should not be higher than, number of online CPUs\n",
4061 buf, num_online_cpus());
f94bc1e7
SC		 4062 return -EINVAL;
4063 }
34e8c406 4064
f94bc1e7 4065 return 0;
f94bc1e7
SC		 4066}
4067
cb9327d5 4068int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
f94bc1e7
SC		 4069{
4070 struct net_device *netdev = adapter->netdev;
84d7ad2c 4071 u8 tx_rings, rx_rings;
34e8c406 4072 int err;
f94bc1e7 4073
319ecf12
SC		 4074 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4075 return -EBUSY;
4076
84d7ad2c
SS		 4077 tx_rings = adapter->drv_tss_rings;
4078 rx_rings = adapter->drv_rss_rings;
4079
f94bc1e7 4080 netif_device_detach(netdev);
84d7ad2c
SS		 4081
4082 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4083 if (err)
4084 goto done;
4085
f94bc1e7
SC		 4086 if (netif_running(netdev))
4087 __qlcnic_down(adapter, netdev);
13159183 4088
7dd90cf1
SC		 4089 qlcnic_detach(adapter);
4090
7ed3ce48 4091 if (qlcnic_83xx_check(adapter)) {
13159183 4092 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 4093 qlcnic_83xx_enable_mbx_poll(adapter);
4094 }
13159183 4095
f94bc1e7 4096 qlcnic_teardown_intr(adapter);
aa4a1f7d 4097
34e8c406 4098 err = qlcnic_setup_intr(adapter);
9a97e705
M		 4099 if (err) {
4100 kfree(adapter->msix_entries);
4101 netdev_err(netdev, "failed to setup interrupt\n");
4102 return err;
4103 }
f94bc1e7 4104
84d7ad2c
SS		 4105 /* Check if we need to update real_num_{tx|rx}_queues because
4106 * qlcnic_setup_intr() may change Tx/Rx rings size
4107 */
4108 if ((tx_rings != adapter->drv_tx_rings) ||
4109 (rx_rings != adapter->drv_sds_rings)) {
4110 err = qlcnic_set_real_num_queues(adapter,
4111 adapter->drv_tx_rings,
4112 adapter->drv_sds_rings);
4113 if (err)
4114 goto done;
4115 }
cb9327d5 4116
13159183 4117 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 4118 qlcnic_83xx_initialize_nic(adapter, 1);
13159183 4119 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 4120 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 4121 if (err) {
4122 dev_err(&adapter->pdev->dev,
4123 "failed to setup mbx interrupt\n");
4124 goto done;
4125 }
f94bc1e7
SC		 4126 }
4127
4128 if (netif_running(netdev)) {
4129 err = qlcnic_attach(adapter);
4130 if (err)
4131 goto done;
4132 err = __qlcnic_up(adapter, netdev);
4133 if (err)
4134 goto done;
4135 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4136 }
aa4a1f7d 4137done:
f94bc1e7
SC		 4138 netif_device_attach(netdev);
4139 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4140 return err;
4141}
4142
af19b491
AKS		 4143#ifdef CONFIG_INET
4144
4145#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4146
af19b491 4147static void
aec1e845
AKS		 4148qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4149 struct net_device *dev, unsigned long event)
af19b491
AKS		 4150{
4151 struct in_device *indev;
af19b491 4152
af19b491
AKS		 4153 indev = in_dev_get(dev);
4154 if (!indev)
4155 return;
4156
4157 for_ifa(indev) {
4158 switch (event) {
4159 case NETDEV_UP:
4160 qlcnic_config_ipaddr(adapter,
4161 ifa->ifa_address, QLCNIC_IP_UP);
4162 break;
4163 case NETDEV_DOWN:
4164 qlcnic_config_ipaddr(adapter,
4165 ifa->ifa_address, QLCNIC_IP_DOWN);
4166 break;
4167 default:
4168 break;
4169 }
4170 } endfor_ifa(indev);
4171
4172 in_dev_put(indev);
af19b491
AKS		 4173}
4174
319ecf12 4175void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 4176{
4177 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4178 struct net_device *dev;
4179 u16 vid;
4180
4181 qlcnic_config_indev_addr(adapter, netdev, event);
4182
43c00a75 4183 rcu_read_lock();
b9796a14 4184 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
f06c7f9f 4185 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 4186 if (!dev)
4187 continue;
aec1e845
AKS		 4188 qlcnic_config_indev_addr(adapter, dev, event);
4189 }
43c00a75 4190 rcu_read_unlock();
aec1e845
AKS		 4191}
4192
af19b491
AKS		 4193static int qlcnic_netdev_event(struct notifier_block *this,
4194 unsigned long event, void *ptr)
4195{
4196 struct qlcnic_adapter *adapter;
351638e7 4197 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 4198
4199recheck:
4200 if (dev == NULL)
4201 goto done;
4202
4203 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4204 dev = vlan_dev_real_dev(dev);
4205 goto recheck;
4206 }
4207
4208 if (!is_qlcnic_netdev(dev))
4209 goto done;
4210
4211 adapter = netdev_priv(dev);
4212
4213 if (!adapter)
4214 goto done;
4215
8a15ad1f 4216 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4217 goto done;
4218
aec1e845 4219 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4220done:
4221 return NOTIFY_DONE;
4222}
4223
4224static int
4225qlcnic_inetaddr_event(struct notifier_block *this,
4226 unsigned long event, void *ptr)
4227{
4228 struct qlcnic_adapter *adapter;
4229 struct net_device *dev;
4230
4231 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4232
4233 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4234
4235recheck:
aec1e845 4236 if (dev == NULL)
af19b491
AKS		 4237 goto done;
4238
4239 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4240 dev = vlan_dev_real_dev(dev);
4241 goto recheck;
4242 }
4243
4244 if (!is_qlcnic_netdev(dev))
4245 goto done;
4246
4247 adapter = netdev_priv(dev);
4248
251a84c9 4249 if (!adapter)
af19b491
AKS		 4250 goto done;
4251
8a15ad1f 4252 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4253 goto done;
4254
4255 switch (event) {
4256 case NETDEV_UP:
4257 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 4258
af19b491
AKS		 4259 break;
4260 case NETDEV_DOWN:
4261 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 4262
af19b491
AKS		 4263 break;
4264 default:
4265 break;
4266 }
4267
4268done:
4269 return NOTIFY_DONE;
4270}
4271
4272static struct notifier_block qlcnic_netdev_cb = {
4273 .notifier_call = qlcnic_netdev_event,
4274};
4275
4276static struct notifier_block qlcnic_inetaddr_cb = {
4277 .notifier_call = qlcnic_inetaddr_event,
4278};
4279#else
f8ca2b6f 4280void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4281{ }
4282#endif
fec9dd15 4283static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 4284 .error_detected = qlcnic_io_error_detected,
4285 .slot_reset = qlcnic_io_slot_reset,
4286 .resume = qlcnic_io_resume,
4287};
af19b491
AKS		 4288
4289static struct pci_driver qlcnic_driver = {
4290 .name = qlcnic_driver_name,
4291 .id_table = qlcnic_pci_tbl,
4292 .probe = qlcnic_probe,
6bb58bb0 4293 .remove = qlcnic_remove,
af19b491
AKS		 4294#ifdef CONFIG_PM
4295 .suspend = qlcnic_suspend,
4296 .resume = qlcnic_resume,
4297#endif
451724c8 4298 .shutdown = qlcnic_shutdown,
02feda17
RB		 4299 .err_handler = &qlcnic_err_handler,
4300#ifdef CONFIG_QLCNIC_SRIOV
4301 .sriov_configure = qlcnic_pci_sriov_configure,
4302#endif
451724c8 4303
af19b491
AKS		 4304};
4305
4306static int __init qlcnic_init_module(void)
4307{
0cf3a14c 4308 int ret;
af19b491
AKS		 4309
4310 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4311
4312#ifdef CONFIG_INET
4313 register_netdevice_notifier(&qlcnic_netdev_cb);
4314 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4315#endif
4316
0cf3a14c
AKS		 4317 ret = pci_register_driver(&qlcnic_driver);
4318 if (ret) {
4319#ifdef CONFIG_INET
4320 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4321 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4322#endif
4323 }
af19b491 4324
0cf3a14c 4325 return ret;
af19b491
AKS		 4326}
4327
4328module_init(qlcnic_init_module);
4329
4330static void __exit qlcnic_exit_module(void)
4331{
af19b491
AKS		 4332 pci_unregister_driver(&qlcnic_driver);
4333
4334#ifdef CONFIG_INET
4335 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4336 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4337#endif
4338}
4339
4340module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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