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net: incorrect use of init_completion fixup
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
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
AKS		 296{
297 if (recv_ctx->sds_rings != NULL)
298 kfree(recv_ctx->sds_rings);
299
300 recv_ctx->sds_rings = NULL;
301}
302
f8468331 303int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 304{
af19b491
AKS		 305 struct net_device *netdev = adapter->netdev;
306 struct pci_dev *pdev = adapter->pdev;
07a251c8
SS		 307 u8 mac_addr[ETH_ALEN];
308 int ret;
af19b491 309
07a251c8
SS		 310 ret = qlcnic_get_mac_address(adapter, mac_addr,
311 adapter->ahw->pci_func);
312 if (ret)
313 return ret;
af19b491 314
2e9d722d 315 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 316 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
317
318 /* set station address */
319
aaeb6cdf 320 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 321 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
322 netdev->dev_addr);
323
324 return 0;
325}
326
cffe52f3
MC		 327static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
328{
154d0c81 329 struct qlcnic_mac_vlan_list *cur;
cffe52f3
MC		 330 struct list_head *head;
331
332 list_for_each(head, &adapter->mac_list) {
154d0c81 333 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
6878f79a 334 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
cffe52f3
MC		 335 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
336 0, QLCNIC_MAC_DEL);
337 list_del(&cur->list);
338 kfree(cur);
339 return;
340 }
341 }
342}
343
af19b491
AKS		 344static int qlcnic_set_mac(struct net_device *netdev, void *p)
345{
346 struct qlcnic_adapter *adapter = netdev_priv(netdev);
347 struct sockaddr *addr = p;
348
7cb03b23
RB		 349 if (qlcnic_sriov_vf_check(adapter))
350 return -EINVAL;
351
7373373d
RB		 352 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
353 return -EOPNOTSUPP;
354
af19b491 355 if (!is_valid_ether_addr(addr->sa_data))
13159183 356 return -EINVAL;
af19b491 357
6878f79a 358 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
cffe52f3
MC		 359 return 0;
360
8a15ad1f 361 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 362 netif_device_detach(netdev);
363 qlcnic_napi_disable(adapter);
364 }
365
cffe52f3 366 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 367 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
368 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
369 qlcnic_set_multi(adapter->netdev);
370
8a15ad1f 371 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 372 netif_device_attach(netdev);
373 qlcnic_napi_enable(adapter);
374 }
375 return 0;
376}
377
1690be63 378static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
f6f6424b
JP		 379 struct net_device *netdev,
380 const unsigned char *addr, u16 vid)
fe1adc6b
JK		 381{
382 struct qlcnic_adapter *adapter = netdev_priv(netdev);
383 int err = -EOPNOTSUPP;
384
3e5c112f 385 if (!adapter->fdb_mac_learn)
f6f6424b 386 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
fe1adc6b 387
d747c333
RB		 388 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
389 qlcnic_sriov_check(adapter)) {
52e493d0
JK		 390 if (is_unicast_ether_addr(addr)) {
391 err = dev_uc_del(netdev, addr);
392 if (!err)
393 err = qlcnic_nic_del_mac(adapter, addr);
394 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 395 err = dev_mc_del(netdev, addr);
52e493d0 396 } else {
fe1adc6b 397 err = -EINVAL;
52e493d0 398 }
fe1adc6b
JK		 399 }
400 return err;
401}
402
403static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
404 struct net_device *netdev,
f6f6424b 405 const unsigned char *addr, u16 vid, u16 flags)
fe1adc6b
JK		 406{
407 struct qlcnic_adapter *adapter = netdev_priv(netdev);
408 int err = 0;
409
3e5c112f 410 if (!adapter->fdb_mac_learn)
f6f6424b 411 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
fe1adc6b 412
d747c333
RB		 413 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
414 !qlcnic_sriov_check(adapter)) {
fe1adc6b
JK		 415 pr_info("%s: FDB e-switch is not enabled\n", __func__);
416 return -EOPNOTSUPP;
417 }
418
419 if (ether_addr_equal(addr, adapter->mac_addr))
420 return err;
421
52e493d0
JK		 422 if (is_unicast_ether_addr(addr)) {
423 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
424 err = dev_uc_add_excl(netdev, addr);
425 else
426 err = -ENOMEM;
427 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 428 err = dev_mc_add_excl(netdev, addr);
52e493d0 429 } else {
fe1adc6b 430 err = -EINVAL;
52e493d0 431 }
fe1adc6b
JK		 432
433 return err;
434}
435
436static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
5d5eacb3
JHS		 437 struct net_device *netdev,
438 struct net_device *filter_dev, int idx)
fe1adc6b
JK		 439{
440 struct qlcnic_adapter *adapter = netdev_priv(netdev);
441
3e5c112f 442 if (!adapter->fdb_mac_learn)
5d5eacb3 443 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
fe1adc6b 444
d747c333
RB		 445 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
446 qlcnic_sriov_check(adapter))
5d5eacb3 447 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
fe1adc6b
JK		 448
449 return idx;
450}
451
7e2cf4fe
SC		 452static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
453{
454 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
455 usleep_range(10000, 11000);
456
66451615
SC		 457 if (!adapter->fw_work.work.func)
458 return;
459
7e2cf4fe
SC		 460 cancel_delayed_work_sync(&adapter->fw_work);
461}
462
07a251c8 463static int qlcnic_get_phys_port_id(struct net_device *netdev,
02637fce 464 struct netdev_phys_item_id *ppid)
07a251c8
SS		 465{
466 struct qlcnic_adapter *adapter = netdev_priv(netdev);
467 struct qlcnic_hardware_context *ahw = adapter->ahw;
468
469 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
470 return -EOPNOTSUPP;
471
472 ppid->id_len = sizeof(ahw->phys_port_id);
473 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
474
475 return 0;
476}
477
7f1f6056 478#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 479static void qlcnic_add_vxlan_port(struct net_device *netdev,
480 sa_family_t sa_family, __be16 port)
481{
482 struct qlcnic_adapter *adapter = netdev_priv(netdev);
483 struct qlcnic_hardware_context *ahw = adapter->ahw;
484
485 /* Adapter supports only one VXLAN port. Use very first port
486 * for enabling offload
487 */
488 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
489 return;
490
491 ahw->vxlan_port = ntohs(port);
492 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
493}
494
495static void qlcnic_del_vxlan_port(struct net_device *netdev,
496 sa_family_t sa_family, __be16 port)
497{
498 struct qlcnic_adapter *adapter = netdev_priv(netdev);
499 struct qlcnic_hardware_context *ahw = adapter->ahw;
500
501 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
502 (ahw->vxlan_port != ntohs(port)))
503 return;
504
505 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
506}
795a05c1
JS		 507
508static bool qlcnic_gso_check(struct sk_buff *skb, struct net_device *dev)
509{
510 return vxlan_gso_check(skb);
511}
7f1f6056 512#endif
2b3d7b75 513
af19b491
AKS		 514static const struct net_device_ops qlcnic_netdev_ops = {
515 .ndo_open = qlcnic_open,
516 .ndo_stop = qlcnic_close,
517 .ndo_start_xmit = qlcnic_xmit_frame,
518 .ndo_get_stats = qlcnic_get_stats,
519 .ndo_validate_addr = eth_validate_addr,
afc4b13d 520 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 521 .ndo_set_mac_address = qlcnic_set_mac,
522 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 523 .ndo_fix_features = qlcnic_fix_features,
524 .ndo_set_features = qlcnic_set_features,
af19b491 525 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 526 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
527 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 528 .ndo_fdb_add = qlcnic_fdb_add,
529 .ndo_fdb_del = qlcnic_fdb_del,
530 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 531 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
7f1f6056 532#ifdef CONFIG_QLCNIC_VXLAN
2b3d7b75
SS		 533 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
534 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
795a05c1 535 .ndo_gso_check = qlcnic_gso_check,
7f1f6056 536#endif
af19b491
AKS		 537#ifdef CONFIG_NET_POLL_CONTROLLER
538 .ndo_poll_controller = qlcnic_poll_controller,
539#endif
4000e7a7
RB		 540#ifdef CONFIG_QLCNIC_SRIOV
541 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
ed616689 542 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
4000e7a7 543 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 544 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 545 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 546#endif
af19b491
AKS		 547};
548
b43e5ee7
SC		 549static const struct net_device_ops qlcnic_netdev_failed_ops = {
550 .ndo_open = qlcnic_open,
551};
552
2e9d722d 553static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 554 .config_bridged_mode = qlcnic_config_bridged_mode,
555 .config_led = qlcnic_82xx_config_led,
556 .start_firmware = qlcnic_82xx_start_firmware,
557 .request_reset = qlcnic_82xx_dev_request_reset,
558 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
559 .napi_add = qlcnic_82xx_napi_add,
4be41e92 560 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 561 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 562 .shutdown = qlcnic_82xx_shutdown,
563 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 564 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
565};
566
567struct qlcnic_nic_template qlcnic_vf_ops = {
568 .config_bridged_mode = qlcnicvf_config_bridged_mode,
569 .config_led = qlcnicvf_config_led,
570 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 571};
572
7e2cf4fe
SC		 573static struct qlcnic_hardware_ops qlcnic_hw_ops = {
574 .read_crb = qlcnic_82xx_read_crb,
575 .write_crb = qlcnic_82xx_write_crb,
576 .read_reg = qlcnic_82xx_hw_read_wx_2M,
577 .write_reg = qlcnic_82xx_hw_write_wx_2M,
578 .get_mac_address = qlcnic_82xx_get_mac_address,
579 .setup_intr = qlcnic_82xx_setup_intr,
580 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
581 .mbx_cmd = qlcnic_82xx_issue_cmd,
582 .get_func_no = qlcnic_82xx_get_func_no,
583 .api_lock = qlcnic_82xx_api_lock,
584 .api_unlock = qlcnic_82xx_api_unlock,
585 .add_sysfs = qlcnic_82xx_add_sysfs,
586 .remove_sysfs = qlcnic_82xx_remove_sysfs,
587 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
588 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
589 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 590 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
591 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 592 .setup_link_event = qlcnic_82xx_linkevent_request,
593 .get_nic_info = qlcnic_82xx_get_nic_info,
594 .get_pci_info = qlcnic_82xx_get_pci_info,
595 .set_nic_info = qlcnic_82xx_set_nic_info,
596 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
597 .napi_enable = qlcnic_82xx_napi_enable,
598 .napi_disable = qlcnic_82xx_napi_disable,
599 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
600 .config_rss = qlcnic_82xx_config_rss,
601 .config_hw_lro = qlcnic_82xx_config_hw_lro,
602 .config_loopback = qlcnic_82xx_set_lb_mode,
603 .clear_loopback = qlcnic_82xx_clear_lb_mode,
604 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
605 .change_l2_filter = qlcnic_82xx_change_filter,
606 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 607 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 608 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 609 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 610 .io_error_detected = qlcnic_82xx_io_error_detected,
611 .io_slot_reset = qlcnic_82xx_io_slot_reset,
612 .io_resume = qlcnic_82xx_io_resume,
a0431589 613 .get_beacon_state = qlcnic_82xx_get_beacon_state,
2cc5752e
M		 614 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
615 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
616 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
617 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
225837a0
SS		 618 .get_saved_state = qlcnic_82xx_get_saved_state,
619 .set_saved_state = qlcnic_82xx_set_saved_state,
620 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
621 .get_cap_size = qlcnic_82xx_get_cap_size,
622 .set_sys_info = qlcnic_82xx_set_sys_info,
623 .store_cap_mask = qlcnic_82xx_store_cap_mask,
2e9d722d
AC		 624};
625
34e8c406 626static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
012ec812
HM		 627{
628 struct qlcnic_hardware_context *ahw = adapter->ahw;
012ec812 629
34e8c406 630 if (qlcnic_82xx_check(adapter) &&
012ec812 631 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
34e8c406
HM		 632 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
633 return 0;
012ec812 634 } else {
34e8c406 635 return 1;
012ec812
HM		 636 }
637}
638
34e8c406
HM		 639static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
640 int queue_type)
641{
642 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
643
644 if (queue_type == QLCNIC_RX_QUEUE)
645 max_rings = adapter->max_sds_rings;
646 else if (queue_type == QLCNIC_TX_QUEUE)
647 max_rings = adapter->max_tx_rings;
648
649 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
650 max_rings));
651
652 if (ring_cnt > num_rings)
653 return num_rings;
654 else
655 return ring_cnt;
656}
657
658void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
659{
660 /* 83xx adapter does not have max_tx_rings intialized in probe */
661 if (adapter->max_tx_rings)
662 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
663 QLCNIC_TX_QUEUE);
664 else
665 adapter->drv_tx_rings = tx_cnt;
34e8c406
HM		 666}
667
668void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
669{
670 /* 83xx adapter does not have max_sds_rings intialized in probe */
671 if (adapter->max_sds_rings)
672 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
673 QLCNIC_RX_QUEUE);
674 else
675 adapter->drv_sds_rings = rx_cnt;
34e8c406
HM		 676}
677
cb9327d5 678int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
af19b491 679{
af19b491 680 struct pci_dev *pdev = adapter->pdev;
cb9327d5
HM		 681 int num_msix = 0, err = 0, vector;
682
683 adapter->flags &= ~QLCNIC_TSS_RSS;
684
685 if (adapter->drv_tss_rings > 0)
686 num_msix += adapter->drv_tss_rings;
687 else
688 num_msix += adapter->drv_tx_rings;
689
8564ae09 690 if (adapter->drv_rss_rings > 0)
cb9327d5
HM		 691 num_msix += adapter->drv_rss_rings;
692 else
693 num_msix += adapter->drv_sds_rings;
694
695 if (qlcnic_83xx_check(adapter))
696 num_msix += 1;
697
698 if (!adapter->msix_entries) {
699 adapter->msix_entries = kcalloc(num_msix,
700 sizeof(struct msix_entry),
701 GFP_KERNEL);
702 if (!adapter->msix_entries)
703 return -ENOMEM;
704 }
705
cb9327d5
HM		 706 for (vector = 0; vector < num_msix; vector++)
707 adapter->msix_entries[vector].entry = vector;
708
8564ae09 709restore:
f7167750
AG		 710 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
711 if (err == -ENOSPC) {
8564ae09 712 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
f7167750 713 return err;
da6c8063 714
cb9327d5
HM		 715 netdev_info(adapter->netdev,
716 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
717 num_msix, err);
718
719 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
720
721 /* Set rings to 0 so we can restore original TSS/RSS count */
722 adapter->drv_tss_rings = 0;
723 adapter->drv_rss_rings = 0;
724
725 if (qlcnic_83xx_check(adapter))
726 num_msix += 1;
727
728 netdev_info(adapter->netdev,
729 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
730 adapter->drv_tx_rings, adapter->drv_sds_rings,
731 num_msix);
cb9327d5 732
8564ae09
AG		 733 goto restore;
734 } else if (err < 0) {
735 return err;
da6c8063 736 }
13159183 737
8564ae09
AG		 738 adapter->ahw->num_msix = num_msix;
739 if (adapter->drv_tss_rings > 0)
740 adapter->drv_tx_rings = adapter->drv_tss_rings;
741
742 if (adapter->drv_rss_rings > 0)
743 adapter->drv_sds_rings = adapter->drv_rss_rings;
744
745 return 0;
cb9327d5
HM		 746}
747
748int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
749{
750 struct pci_dev *pdev = adapter->pdev;
74a1fa45 751 int err, vector;
cb9327d5 752
13159183
SC		 753 if (!adapter->msix_entries) {
754 adapter->msix_entries = kcalloc(num_msix,
755 sizeof(struct msix_entry),
756 GFP_KERNEL);
b2adaca9 757 if (!adapter->msix_entries)
13159183 758 return -ENOMEM;
13159183 759 }
af19b491 760
af19b491 761 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 762
79788450 763 if (adapter->ahw->msix_supported) {
cb9327d5
HM		 764enable_msix:
765 for (vector = 0; vector < num_msix; vector++)
766 adapter->msix_entries[vector].entry = vector;
767
9732ec06
AG		 768 err = pci_enable_msix_range(pdev,
769 adapter->msix_entries, 1, num_msix);
770
771 if (err == num_msix) {
af19b491 772 adapter->flags |= QLCNIC_MSIX_ENABLED;
cb9327d5 773 adapter->ahw->num_msix = num_msix;
af19b491 774 dev_info(&pdev->dev, "using msi-x interrupts\n");
74a1fa45 775 return 0;
13159183 776 } else if (err > 0) {
9732ec06
AG		 777 pci_disable_msix(pdev);
778
13159183 779 dev_info(&pdev->dev,
cb9327d5
HM		 780 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
781 num_msix, err);
782
783 if (qlcnic_82xx_check(adapter)) {
13159183 784 num_msix = rounddown_pow_of_two(err);
cb9327d5 785 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
74a1fa45 786 return -ENOSPC;
13159183 787 } else {
cb9327d5
HM		 788 num_msix = rounddown_pow_of_two(err - 1);
789 num_msix += 1;
790 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
74a1fa45 791 return -ENOSPC;
cb9327d5
HM		 792 }
793
794 if (qlcnic_82xx_check(adapter) &&
795 !qlcnic_check_multi_tx(adapter)) {
796 adapter->drv_sds_rings = num_msix;
797 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
798 } else {
799 /* Distribute vectors equally */
800 adapter->drv_tx_rings = num_msix / 2;
801 adapter->drv_sds_rings = adapter->drv_tx_rings;
13159183
SC		 802 }
803
804 if (num_msix) {
805 dev_info(&pdev->dev,
dce056cb 806 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 807 num_msix);
f94bc1e7 808 goto enable_msix;
13159183
SC		 809 }
810 } else {
dce056cb 811 dev_info(&pdev->dev,
cb9327d5
HM		 812 "Unable to allocate %d MSI-X vectors, err=%d\n",
813 num_msix, err);
814 return err;
f94bc1e7
SC		 815 }
816 }
13159183 817
74a1fa45 818 return -EIO;
f94bc1e7 819}
af19b491 820
cb9327d5
HM		 821static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
822{
823 int num_msix;
824
825 num_msix = adapter->drv_sds_rings;
826
827 if (qlcnic_check_multi_tx(adapter))
828 num_msix += adapter->drv_tx_rings;
829 else
830 num_msix += QLCNIC_SINGLE_RING;
831
832 return num_msix;
833}
834
9a97e705 835static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 836{
9a97e705 837 int err = 0;
15087c2b 838 u32 offset, mask_reg;
f94bc1e7 839 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 840 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 841 struct pci_dev *pdev = adapter->pdev;
af19b491 842
099f7aa7 843 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 844 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 845 offset = msi_tgt_status[adapter->ahw->pci_func];
846 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
847 offset);
af19b491
AKS		 848 dev_info(&pdev->dev, "using msi interrupts\n");
849 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 850 return err;
af19b491 851 }
012ec812 852
9a97e705
M		 853 if (qlcnic_use_msi || qlcnic_use_msi_x)
854 return -EOPNOTSUPP;
af19b491 855
f94bc1e7 856 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 857 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 858 offset = legacy_intrp->tgt_status_reg;
859 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
860 mask_reg = legacy_intrp->tgt_mask_reg;
861 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
862 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
863 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 864 dev_info(&pdev->dev, "using legacy interrupts\n");
865 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 866 return err;
af19b491
AKS		 867}
868
21041400 869static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
f94bc1e7 870{
9a97e705 871 int num_msix, err = 0;
f94bc1e7 872
cb9327d5
HM		 873 if (adapter->flags & QLCNIC_TSS_RSS) {
874 err = qlcnic_setup_tss_rss_intr(adapter);
875 if (err < 0)
876 return err;
877 num_msix = adapter->ahw->num_msix;
878 } else {
879 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
f94bc1e7 880
cb9327d5
HM		 881 err = qlcnic_enable_msix(adapter, num_msix);
882 if (err == -ENOMEM)
883 return err;
f94bc1e7 884
cb9327d5
HM		 885 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
886 qlcnic_disable_multi_tx(adapter);
42beb3f2 887 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
012ec812 888
cb9327d5 889 err = qlcnic_enable_msi_legacy(adapter);
fc49beae 890 if (err)
cb9327d5
HM		 891 return err;
892 }
012ec812
HM		 893 }
894
895 return 0;
896}
897
898int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
899{
900 struct qlcnic_hardware_context *ahw = adapter->ahw;
901 int err, i;
902
903 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 904 !ahw->diag_test &&
012ec812
HM		 905 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
906 ahw->intr_tbl = vzalloc(ahw->num_msix *
907 sizeof(struct qlcnic_intrpt_config));
908 if (!ahw->intr_tbl)
909 return -ENOMEM;
910
911 for (i = 0; i < ahw->num_msix; i++) {
912 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
913 ahw->intr_tbl[i].id = i;
914 ahw->intr_tbl[i].src = 0;
915 }
916
917 err = qlcnic_82xx_config_intrpt(adapter, 1);
918 if (err)
919 dev_err(&adapter->pdev->dev,
920 "Failed to configure Interrupt for %d vector\n",
921 ahw->num_msix);
9a97e705 922 return err;
012ec812 923 }
9a97e705 924
012ec812 925 return 0;
f94bc1e7 926}
13159183 927
319ecf12 928void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 929{
930 if (adapter->flags & QLCNIC_MSIX_ENABLED)
931 pci_disable_msix(adapter->pdev);
932 if (adapter->flags & QLCNIC_MSI_ENABLED)
933 pci_disable_msi(adapter->pdev);
13159183
SC		 934
935 kfree(adapter->msix_entries);
936 adapter->msix_entries = NULL;
937
938 if (adapter->ahw->intr_tbl) {
939 vfree(adapter->ahw->intr_tbl);
940 adapter->ahw->intr_tbl = NULL;
941 }
af19b491
AKS		 942}
943
f1a094a8 944static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 945{
f1a094a8
RB		 946 if (ahw->pci_base0 != NULL)
947 iounmap(ahw->pci_base0);
af19b491
AKS		 948}
949
7e2cf4fe
SC		 950static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
951{
2f514c52 952 struct qlcnic_hardware_context *ahw = adapter->ahw;
7e2cf4fe
SC		 953 struct qlcnic_pci_info *pci_info;
954 int ret;
955
956 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
2f514c52 957 switch (ahw->port_type) {
7e2cf4fe 958 case QLCNIC_GBE:
2f514c52 959 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
7e2cf4fe
SC		 960 break;
961 case QLCNIC_XGBE:
2f514c52 962 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
7e2cf4fe
SC		 963 break;
964 }
965 return 0;
966 }
967
2f514c52 968 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
7e2cf4fe
SC		 969 return 0;
970
2f514c52 971 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
7e2cf4fe
SC		 972 if (!pci_info)
973 return -ENOMEM;
974
975 ret = qlcnic_get_pci_info(adapter, pci_info);
976 kfree(pci_info);
977 return ret;
978}
d71170fb 979
35dafcb0
SC		 980static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
981{
982 bool ret = false;
983
984 if (qlcnic_84xx_check(adapter)) {
985 ret = true;
986 } else if (qlcnic_83xx_check(adapter)) {
987 if (adapter->ahw->extra_capability[0] &
988 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
989 ret = true;
990 else
991 ret = false;
992 }
993
994 return ret;
995}
996
d71170fb 997int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 998{
2f514c52 999 struct qlcnic_hardware_context *ahw = adapter->ahw;
e88db3bd 1000 struct qlcnic_pci_info *pci_info;
4c776aad 1001 int i, id = 0, ret = 0, j = 0;
bff57d8e 1002 u16 act_pci_func;
346fe763
RB		 1003 u8 pfn;
1004
2f514c52 1005 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
e88db3bd
DC		 1006 if (!pci_info)
1007 return -ENOMEM;
1008
bff57d8e
SC		 1009 ret = qlcnic_get_pci_info(adapter, pci_info);
1010 if (ret)
1011 goto err_pci_info;
1012
2f514c52 1013 act_pci_func = ahw->total_nic_func;
bff57d8e 1014
ca315ac2 1015 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 1016 act_pci_func, GFP_KERNEL);
e88db3bd 1017 if (!adapter->npars) {
900853a4 1018 ret = -ENOMEM;
e88db3bd
DC		 1019 goto err_pci_info;
1020 }
346fe763 1021
ca315ac2 1022 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 1023 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1024 if (!adapter->eswitch) {
900853a4 1025 ret = -ENOMEM;
ca315ac2 1026 goto err_npars;
346fe763
RB		 1027 }
1028
2f514c52 1029 for (i = 0; i < ahw->max_vnic_func; i++) {
ca315ac2 1030 pfn = pci_info[i].id;
bff57d8e 1031
2f514c52 1032 if (pfn >= ahw->max_vnic_func) {
f848d6dd 1033 ret = QL_STATUS_INVALID_PARAM;
c65762fc
SC		 1034 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1035 __func__, pfn, ahw->max_vnic_func);
f848d6dd
SC		 1036 goto err_eswitch;
1037 }
bff57d8e
SC		 1038
1039 if (!pci_info[i].active ||
1040 (pci_info[i].type != QLCNIC_TYPE_NIC))
1041 continue;
1042
35dafcb0 1043 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 1044 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1045 &id))
35dafcb0
SC		 1046 adapter->npars[j].eswitch_status = true;
1047 else
1048 continue;
1049 } else {
1050 adapter->npars[j].eswitch_status = true;
1051 }
1052
bff57d8e
SC		 1053 adapter->npars[j].pci_func = pfn;
1054 adapter->npars[j].active = (u8)pci_info[i].active;
1055 adapter->npars[j].type = (u8)pci_info[i].type;
1056 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1057 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1058 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 1059
9e630955 1060 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 1061 j++;
346fe763
RB		 1062 }
1063
4c776aad
SC		 1064 /* Update eSwitch status for adapters without per port eSwitch
1065 * configuration capability
1066 */
1067 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 1068 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1069 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 1070 }
ca315ac2 1071
e88db3bd 1072 kfree(pci_info);
ca315ac2
DC		 1073 return 0;
1074
1075err_eswitch:
346fe763
RB		 1076 kfree(adapter->eswitch);
1077 adapter->eswitch = NULL;
ca315ac2 1078err_npars:
346fe763 1079 kfree(adapter->npars);
ca315ac2 1080 adapter->npars = NULL;
e88db3bd
DC		 1081err_pci_info:
1082 kfree(pci_info);
346fe763
RB		 1083
1084 return ret;
1085}
1086
2e9d722d
AC		 1087static int
1088qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1089{
1090 u8 id;
7e8fd003 1091 int ret;
2e9d722d 1092 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 1093 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 1094
2e9d722d
AC		 1095 ret = qlcnic_api_lock(adapter);
1096 if (ret)
1097 goto err_lock;
2e9d722d 1098
7e8fd003
SS		 1099 id = ahw->pci_func;
1100 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1101 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1102 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 1103 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 1104 qlcnic_api_unlock(adapter);
1105err_lock:
1106 return ret;
1107}
1108
13159183
SC		 1109static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1110 const struct pci_device_id *ent)
2e9d722d 1111{
2e9d722d
AC		 1112 u32 op_mode, priv_level;
1113
1114 /* Determine FW API version */
13159183
SC		 1115 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1116 QLCNIC_FW_API);
2e9d722d
AC		 1117
1118 /* Find PCI function number */
13159183 1119 qlcnic_get_func_no(adapter);
2e9d722d
AC		 1120
1121 /* Determine function privilege level */
13159183 1122 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 1123 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 1124 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 1125 else
b1fc6d3c 1126 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 1127
0866d96d 1128 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 1129 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 1130 dev_info(&adapter->pdev->dev,
1131 "HAL Version: %d Non Privileged function\n",
79788450 1132 adapter->ahw->fw_hal_version);
9f26f547 1133 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 1134 } else
1135 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 1136}
1137
15087c2b 1138#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 1139#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 1140static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1141{
1142 switch (dev_id) {
1143 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1144 *bar = QLCNIC_82XX_BAR0_LENGTH;
1145 break;
13159183 1146 case PCI_DEVICE_ID_QLOGIC_QLE834X:
40e2b8ed 1147 case PCI_DEVICE_ID_QLOGIC_QLE8830:
15ca140f 1148 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 1149 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 1150 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
13159183
SC		 1151 *bar = QLCNIC_83XX_BAR0_LENGTH;
1152 break;
15087c2b
SC		 1153 default:
1154 *bar = 0;
1155 }
1156}
1157
1158static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1159 struct qlcnic_hardware_context *ahw)
af19b491 1160{
15087c2b 1161 u32 offset;
af19b491 1162 void __iomem *mem_ptr0 = NULL;
15087c2b 1163 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 1164
af19b491 1165 /* remap phys address */
af19b491
AKS		 1166 mem_len = pci_resource_len(pdev, 0);
1167
15087c2b
SC		 1168 qlcnic_get_bar_length(pdev->device, &bar0_len);
1169 if (mem_len >= bar0_len) {
af19b491
AKS		 1170
1171 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1172 if (mem_ptr0 == NULL) {
1173 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1174 return -EIO;
1175 }
1176 pci_len0 = mem_len;
1177 } else {
1178 return -EIO;
1179 }
1180
f8468331 1181 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1182
15087c2b
SC		 1183 ahw->pci_base0 = mem_ptr0;
1184 ahw->pci_len0 = pci_len0;
1185 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1186 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1187
1188 return 0;
1189}
1190
60dcbcb0
MC		 1191static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1192 int index)
2343f06a
MC		 1193{
1194 struct pci_dev *pdev = adapter->pdev;
1195 unsigned short subsystem_vendor;
1196 bool ret = true;
1197
1198 subsystem_vendor = pdev->subsystem_vendor;
1199
1200 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1201 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1202 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1203 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1204 ret = true;
1205 else
1206 ret = false;
1207 }
1208
1209 return ret;
1210}
1211
22999798 1212static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1213{
1214 struct pci_dev *pdev = adapter->pdev;
1215 int i, found = 0;
1216
1217 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1218 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1219 qlcnic_boards[i].device == pdev->device &&
1220 qlcnic_validate_subsystem_id(adapter, i)) {
1221 found = 1;
1222 break;
af19b491 1223 }
af19b491
AKS		 1224 }
1225
1226 if (!found)
7f9a0c34 1227 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1228 else
1229 sprintf(name, "%pM: %s" , adapter->mac_addr,
1230 qlcnic_boards[i].short_name);
af19b491
AKS		 1231}
1232
1233static void
1234qlcnic_check_options(struct qlcnic_adapter *adapter)
1235{
a15ebd37 1236 int err;
031a4a26 1237 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1238 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1239 struct qlcnic_hardware_context *ahw = adapter->ahw;
1240 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1241
1242 prev_fw_version = adapter->fw_version;
af19b491 1243
a15ebd37
HM		 1244 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1245 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1246 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1247
1248 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1249
a15ebd37
HM		 1250 err = qlcnic_get_board_info(adapter);
1251 if (err) {
1252 dev_err(&pdev->dev, "Error getting board config info.\n");
1253 return;
1254 }
1255 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1256 if (fw_dump->tmpl_hdr == NULL ||
1257 adapter->fw_version > prev_fw_version) {
1258 if (fw_dump->tmpl_hdr)
1259 vfree(fw_dump->tmpl_hdr);
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
SC		 2374 tx_ring = &adapter->tx_ring[ring];
2375 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2376 vfree(tx_ring->cmd_buf_arr);
2377 tx_ring->cmd_buf_arr = NULL;
2378 }
2379 }
2380 if (adapter->tx_ring != NULL)
2381 kfree(adapter->tx_ring);
2382}
2383
2384int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2385 struct net_device *netdev)
2386{
b2adaca9 2387 int ring, vector, index;
4be41e92
SC		 2388 struct qlcnic_host_tx_ring *tx_ring;
2389 struct qlcnic_cmd_buffer *cmd_buf_arr;
2390
34e8c406 2391 tx_ring = kcalloc(adapter->drv_tx_rings,
b2adaca9
JP		 2392 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2393 if (tx_ring == NULL)
4be41e92 2394 return -ENOMEM;
b2adaca9 2395
4be41e92
SC		 2396 adapter->tx_ring = tx_ring;
2397
34e8c406 2398 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2399 tx_ring = &adapter->tx_ring[ring];
2400 tx_ring->num_desc = adapter->num_txd;
2401 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2402 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2403 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2404 qlcnic_free_tx_rings(adapter);
2405 return -ENOMEM;
2406 }
2407 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2408 tx_ring->cmd_buf_arr = cmd_buf_arr;
a02bdd42 2409 spin_lock_init(&tx_ring->tx_clean_lock);
4be41e92
SC		 2410 }
2411
012ec812
HM		 2412 if (qlcnic_83xx_check(adapter) ||
2413 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
34e8c406 2414 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2415 tx_ring = &adapter->tx_ring[ring];
2416 tx_ring->adapter = adapter;
2417 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
34e8c406 2418 index = adapter->drv_sds_rings + ring;
4be41e92
SC		 2419 vector = adapter->msix_entries[index].vector;
2420 tx_ring->irq = vector;
2421 }
2422 }
2423 }
012ec812 2424
4be41e92
SC		 2425 return 0;
2426}
2427
8af3f33d
PP		 2428void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2429{
2430 struct qlcnic_hardware_context *ahw = adapter->ahw;
2431 u32 fw_cmd = 0;
2432
2433 if (qlcnic_82xx_check(adapter))
2434 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2435 else if (qlcnic_83xx_check(adapter))
2436 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2437
d6994ca7 2438 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2439 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2440}
2441
2c97e9e2
SC		 2442/* Reset firmware API lock */
2443static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2444{
2445 qlcnic_api_lock(adapter);
2446 qlcnic_api_unlock(adapter);
2447}
2448
2449
6bb58bb0 2450static int
af19b491
AKS		 2451qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2452{
2453 struct net_device *netdev = NULL;
2454 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2455 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2456 int err, pci_using_dac = -1;
7bc48646 2457 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 2458
2459 err = pci_enable_device(pdev);
2460 if (err)
2461 return err;
2462
2463 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2464 err = -ENODEV;
2465 goto err_out_disable_pdev;
2466 }
2467
1bb09fb9
AKS		 2468 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2469 if (err)
2470 goto err_out_disable_pdev;
2471
af19b491
AKS		 2472 err = pci_request_regions(pdev, qlcnic_driver_name);
2473 if (err)
2474 goto err_out_disable_pdev;
2475
2476 pci_set_master(pdev);
451724c8 2477 pci_enable_pcie_error_reporting(pdev);
af19b491 2478
7e2cf4fe 2479 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2480 if (!ahw) {
2481 err = -ENOMEM;
7e2cf4fe 2482 goto err_out_free_res;
02135582 2483 }
7e2cf4fe 2484
f8468331
RB		 2485 switch (ent->device) {
2486 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2487 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2488 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2489 break;
2490 case PCI_DEVICE_ID_QLOGIC_QLE834X:
40e2b8ed 2491 case PCI_DEVICE_ID_QLOGIC_QLE8830:
15ca140f 2492 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2493 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2494 break;
2495 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 2496 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2497 qlcnic_sriov_vf_register_map(ahw);
2498 break;
2499 default:
13159183 2500 goto err_out_free_hw_res;
7e2cf4fe
SC		 2501 }
2502
2503 err = qlcnic_setup_pci_map(pdev, ahw);
2504 if (err)
2505 goto err_out_free_hw_res;
2506
012ec812
HM		 2507 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2508 QLCNIC_MAX_TX_RINGS);
af19b491 2509 if (!netdev) {
af19b491 2510 err = -ENOMEM;
7e2cf4fe 2511 goto err_out_iounmap;
af19b491
AKS		 2512 }
2513
2514 SET_NETDEV_DEV(netdev, &pdev->dev);
2515
2516 adapter = netdev_priv(netdev);
2517 adapter->netdev = netdev;
2518 adapter->pdev = pdev;
13159183
SC		 2519 adapter->ahw = ahw;
2520
2521 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2522 if (adapter->qlcnic_wq == NULL) {
02135582 2523 err = -ENOMEM;
13159183
SC		 2524 dev_err(&pdev->dev, "Failed to create workqueue\n");
2525 goto err_out_free_netdev;
2526 }
af19b491 2527
2dfc9671
PST		 2528 err = qlcnic_alloc_adapter_resources(adapter);
2529 if (err)
2b1f18a4 2530 goto err_out_free_wq;
b1fc6d3c
AC		 2531
2532 adapter->dev_rst_time = jiffies;
2f514c52
JK		 2533 ahw->revision_id = pdev->revision;
2534 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
fe1adc6b
JK		 2535 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2536 adapter->fdb_mac_learn = true;
2537 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2538 adapter->drv_mac_learn = true;
af19b491 2539
b1fc6d3c
AC		 2540 rwlock_init(&adapter->ahw->crb_lock);
2541 mutex_init(&adapter->ahw->mem_lock);
af19b491 2542
af19b491
AKS		 2543 INIT_LIST_HEAD(&adapter->mac_list);
2544
14d385b9
SC		 2545 qlcnic_register_dcb(adapter);
2546
7e2cf4fe 2547 if (qlcnic_82xx_check(adapter)) {
13159183 2548 qlcnic_check_vf(adapter, ent);
7e2cf4fe 2549 adapter->portnum = adapter->ahw->pci_func;
2c97e9e2 2550 qlcnic_reset_api_lock(adapter);
7e2cf4fe
SC		 2551 err = qlcnic_start_firmware(adapter);
2552 if (err) {
66451615
SC		 2553 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2554 "\t\tIf reboot doesn't help, try flashing the card\n");
2555 goto err_out_maintenance_mode;
7e2cf4fe 2556 }
af19b491 2557
34e8c406
HM		 2558 /* compute and set default and max tx/sds rings */
2559 if (adapter->ahw->msix_supported) {
2560 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2561 qlcnic_set_tx_ring_count(adapter,
2562 QLCNIC_SINGLE_RING);
2563 else
2564 qlcnic_set_tx_ring_count(adapter,
2565 QLCNIC_DEF_TX_RINGS);
2566 qlcnic_set_sds_ring_count(adapter,
2567 QLCNIC_DEF_SDS_RINGS);
2568 } else {
2569 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2570 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
012ec812
HM		 2571 }
2572
7e2cf4fe
SC		 2573 err = qlcnic_setup_idc_param(adapter);
2574 if (err)
2575 goto err_out_free_hw;
b0044bcf 2576
7e2cf4fe 2577 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2578
13159183
SC		 2579 } else if (qlcnic_83xx_check(adapter)) {
2580 qlcnic_83xx_check_vf(adapter, ent);
2581 adapter->portnum = adapter->ahw->pci_func;
f8468331 2582 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac 2583 if (err) {
78ea2d97
SC		 2584 switch (err) {
2585 case -ENOTRECOVERABLE:
2a355aec
SC		 2586 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2587 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
78ea2d97
SC		 2588 goto err_out_free_hw;
2589 case -ENOMEM:
2590 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2591 goto err_out_free_hw;
aaecf51c
SC		 2592 case -EOPNOTSUPP:
2593 dev_err(&pdev->dev, "Adapter initialization failed\n");
2594 goto err_out_free_hw;
78ea2d97 2595 default:
c65762fc 2596 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
78ea2d97
SC		 2597 goto err_out_maintenance_mode;
2598 }
629263ac 2599 }
78ea2d97 2600
f8468331
RB		 2601 if (qlcnic_sriov_vf_check(adapter))
2602 return 0;
13159183
SC		 2603 } else {
2604 dev_err(&pdev->dev,
2605 "%s: failed. Please Reboot\n", __func__);
2606 goto err_out_free_hw;
a7fc948f 2607 }
af19b491 2608
da48e6c3
RB		 2609 if (qlcnic_read_mac_addr(adapter))
2610 dev_warn(&pdev->dev, "failed to read mac addr\n");
2611
07a251c8
SS		 2612 qlcnic_read_phys_port_id(adapter);
2613
da48e6c3 2614 if (adapter->portnum == 0) {
22999798 2615 qlcnic_get_board_name(adapter, board_name);
13159183 2616
da48e6c3 2617 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2618 module_name(THIS_MODULE),
2619 board_name, adapter->ahw->revision_id);
da48e6c3 2620 }
460374f7
HM		 2621
2622 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2623 !!qlcnic_use_msi)
2624 dev_warn(&pdev->dev,
01b91f4c 2625 "Device does not support MSI interrupts\n");
460374f7 2626
068a8d19 2627 if (qlcnic_82xx_check(adapter)) {
4d52e1e8
SC		 2628 qlcnic_dcb_enable(adapter->dcb);
2629 qlcnic_dcb_get_info(adapter->dcb);
34e8c406 2630 err = qlcnic_setup_intr(adapter);
4d52e1e8 2631
068a8d19
MC		 2632 if (err) {
2633 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2634 goto err_out_disable_msi;
068a8d19 2635 }
13159183 2636 }
af19b491 2637
02135582
SC		 2638 err = qlcnic_get_act_pci_func(adapter);
2639 if (err)
2640 goto err_out_disable_mbx_intr;
2641
bf63014f
RB		 2642 if (adapter->portnum == 0)
2643 qlcnic_set_drv_version(adapter);
2644
1bb09fb9 2645 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2646 if (err)
7e2cf4fe 2647 goto err_out_disable_mbx_intr;
af19b491
AKS		 2648
2649 pci_set_drvdata(pdev, adapter);
2650
97ee45eb
SC		 2651 if (qlcnic_82xx_check(adapter))
2652 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2653 FW_POLL_DELAY);
af19b491 2654
b1fc6d3c 2655 switch (adapter->ahw->port_type) {
af19b491
AKS		 2656 case QLCNIC_GBE:
2657 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2658 adapter->netdev->name);
2659 break;
2660 case QLCNIC_XGBE:
2661 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2662 adapter->netdev->name);
2663 break;
2664 }
2665
fe1adc6b 2666 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2667 qlcnic_alloc_lb_filters_mem(adapter);
2668
7e2cf4fe 2669 qlcnic_add_sysfs(adapter);
1f0f467b 2670 qlcnic_register_hwmon_dev(adapter);
af19b491
AKS		 2671 return 0;
2672
7e2cf4fe 2673err_out_disable_mbx_intr:
7dd90cf1 2674 if (qlcnic_83xx_check(adapter))
13159183 2675 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2676
af19b491
AKS		 2677err_out_disable_msi:
2678 qlcnic_teardown_intr(adapter);
7e2cf4fe 2679 qlcnic_cancel_idc_work(adapter);
21854f02 2680 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2681
b1fc6d3c
AC		 2682err_out_free_hw:
2683 qlcnic_free_adapter_resources(adapter);
2684
2b1f18a4
WY		 2685err_out_free_wq:
2686 destroy_workqueue(adapter->qlcnic_wq);
2687
af19b491
AKS		 2688err_out_free_netdev:
2689 free_netdev(netdev);
2690
7e2cf4fe 2691err_out_iounmap:
f1a094a8 2692 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2693
2694err_out_free_hw_res:
2695 kfree(ahw);
2696
af19b491
AKS		 2697err_out_free_res:
2698 pci_release_regions(pdev);
2699
2700err_out_disable_pdev:
af19b491
AKS		 2701 pci_disable_device(pdev);
2702 return err;
66451615
SC		 2703
2704err_out_maintenance_mode:
78ea2d97 2705 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615 2706 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
7ad24ea4 2707 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
78ea2d97
SC		 2708 ahw->port_type = QLCNIC_XGBE;
2709
2710 if (qlcnic_83xx_check(adapter))
2711 adapter->tgt_status_reg = NULL;
2712 else
2713 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2714
66451615
SC		 2715 err = register_netdev(netdev);
2716
2717 if (err) {
2718 dev_err(&pdev->dev, "Failed to register net device\n");
2719 qlcnic_clr_all_drv_state(adapter, 0);
2720 goto err_out_free_hw;
2721 }
2722
2723 pci_set_drvdata(pdev, adapter);
2724 qlcnic_add_sysfs(adapter);
2725
2726 return 0;
af19b491
AKS		 2727}
2728
6bb58bb0 2729static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2730{
2731 struct qlcnic_adapter *adapter;
2732 struct net_device *netdev;
13159183 2733 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2734
2735 adapter = pci_get_drvdata(pdev);
2736 if (adapter == NULL)
2737 return;
2738
2739 netdev = adapter->netdev;
2740
13159183 2741 qlcnic_cancel_idc_work(adapter);
132a3f2b 2742 qlcnic_sriov_pf_disable(adapter);
13159183 2743 ahw = adapter->ahw;
af19b491
AKS		 2744
2745 unregister_netdev(netdev);
02feda17 2746 qlcnic_sriov_cleanup(adapter);
af19b491 2747
13159183 2748 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 2749 qlcnic_83xx_initialize_nic(adapter, 0);
3d73b5fd 2750 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2751 qlcnic_83xx_free_mbx_intr(adapter);
2752 qlcnic_83xx_detach_mailbox_work(adapter);
2753 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2754 kfree(ahw->fw_info);
13159183
SC		 2755 }
2756
3720bf79
SC		 2757 qlcnic_dcb_free(adapter->dcb);
2758
af19b491
AKS		 2759 qlcnic_detach(adapter);
2760
2e9d722d
AC		 2761 if (adapter->npars != NULL)
2762 kfree(adapter->npars);
2763 if (adapter->eswitch != NULL)
2764 kfree(adapter->eswitch);
2765
97ee45eb
SC		 2766 if (qlcnic_82xx_check(adapter))
2767 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2768
2769 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2770
b5e5492c
AKS		 2771 qlcnic_free_lb_filters_mem(adapter);
2772
af19b491
AKS		 2773 qlcnic_teardown_intr(adapter);
2774
13159183 2775 qlcnic_remove_sysfs(adapter);
af19b491 2776
1f0f467b
HP		 2777 qlcnic_unregister_hwmon_dev(adapter);
2778
f1a094a8 2779 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2780
2781 qlcnic_release_firmware(adapter);
2782
451724c8 2783 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2784 pci_release_regions(pdev);
2785 pci_disable_device(pdev);
af19b491 2786
13159183
SC		 2787 if (adapter->qlcnic_wq) {
2788 destroy_workqueue(adapter->qlcnic_wq);
2789 adapter->qlcnic_wq = NULL;
2790 }
14d385b9 2791
b1fc6d3c 2792 qlcnic_free_adapter_resources(adapter);
13159183 2793 kfree(ahw);
af19b491
AKS		 2794 free_netdev(netdev);
2795}
af19b491
AKS		 2796
2797static void qlcnic_shutdown(struct pci_dev *pdev)
2798{
2799 if (__qlcnic_shutdown(pdev))
2800 return;
2801
2802 pci_disable_device(pdev);
2803}
2804
2805#ifdef CONFIG_PM
486a5bc7 2806static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2807{
2808 int retval;
2809
2810 retval = __qlcnic_shutdown(pdev);
2811 if (retval)
2812 return retval;
2813
2814 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2815 return 0;
2816}
2817
486a5bc7 2818static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2819{
2820 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2821 int err;
2822
2823 err = pci_enable_device(pdev);
2824 if (err)
2825 return err;
2826
2827 pci_set_power_state(pdev, PCI_D0);
2828 pci_set_master(pdev);
2829 pci_restore_state(pdev);
2830
486a5bc7 2831 return __qlcnic_resume(adapter);
af19b491
AKS		 2832}
2833#endif
2834
2835static int qlcnic_open(struct net_device *netdev)
2836{
2837 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2838 int err;
2839
78ea2d97
SC		 2840 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2841 netdev_err(netdev, "%s: Device is in non-operational state\n",
2842 __func__);
66451615
SC		 2843
2844 return -EIO;
2845 }
2846
c55ad8e5
AKS		 2847 netif_carrier_off(netdev);
2848
af19b491
AKS		 2849 err = qlcnic_attach(adapter);
2850 if (err)
2851 return err;
2852
2853 err = __qlcnic_up(adapter, netdev);
2854 if (err)
060d0564 2855 qlcnic_detach(adapter);
af19b491 2856
af19b491
AKS		 2857 return err;
2858}
2859
2860/*
2861 * qlcnic_close - Disables a network interface entry point
2862 */
2863static int qlcnic_close(struct net_device *netdev)
2864{
2865 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2866
2867 __qlcnic_down(adapter, netdev);
13159183 2868
af19b491
AKS		 2869 return 0;
2870}
2871
d747c333
RB		 2872#define QLCNIC_VF_LB_BUCKET_SIZE 1
2873
e5dcf6dc 2874void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2875{
2876 void *head;
2877 int i;
13159183
SC		 2878 struct net_device *netdev = adapter->netdev;
2879 u32 filter_size = 0;
2880 u16 act_pci_func = 0;
b5e5492c 2881
e5dcf6dc 2882 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2883 return;
2884
2f514c52 2885 act_pci_func = adapter->ahw->total_nic_func;
b5e5492c 2886 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2887 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2888
d747c333
RB		 2889 if (qlcnic_sriov_vf_check(adapter)) {
2890 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2891 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2892 } else if (qlcnic_82xx_check(adapter)) {
13159183
SC		 2893 filter_size = QLCNIC_LB_MAX_FILTERS;
2894 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2895 } else {
2896 filter_size = QLC_83XX_LB_MAX_FILTERS;
2897 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2898 }
2899
2900 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2901 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2902
b5e5492c
AKS		 2903 if (!head)
2904 return;
2905
13159183 2906 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2907 adapter->fhash.fhead = head;
b5e5492c 2908
13159183
SC		 2909 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2910 act_pci_func, adapter->fhash.fmax);
2911
2912 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2913 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2914
2915 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2916
2917 head = kcalloc(adapter->rx_fhash.fbucket_size,
2918 sizeof(struct hlist_head), GFP_ATOMIC);
2919
2920 if (!head)
2921 return;
2922
2923 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2924 adapter->rx_fhash.fhead = head;
2925
2926 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2927 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2928}
2929
2930static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2931{
2932 if (adapter->fhash.fmax && adapter->fhash.fhead)
2933 kfree(adapter->fhash.fhead);
2934
2935 adapter->fhash.fhead = NULL;
2936 adapter->fhash.fmax = 0;
53643a75
SS		 2937
2938 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2939 kfree(adapter->rx_fhash.fhead);
2940
2941 adapter->rx_fhash.fmax = 0;
2942 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2943}
2944
629263ac 2945int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2946{
2947 struct net_device *netdev = adapter->netdev;
97ee45eb 2948 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2949 int rv = 0;
2950
13159183
SC		 2951 if (qlcnic_83xx_check(adapter))
2952 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2953
97ee45eb 2954 if (qlcnic_82xx_check(adapter))
a15ebd37 2955 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2956
2957 temp_state = qlcnic_get_temp_state(temp);
2958 temp_val = qlcnic_get_temp_val(temp);
2959
2960 if (temp_state == QLCNIC_TEMP_PANIC) {
2961 dev_err(&netdev->dev,
2962 "Device temperature %d degrees C exceeds"
2963 " maximum allowed. Hardware has been shut down.\n",
2964 temp_val);
2965 rv = 1;
2966 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2967 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2968 dev_err(&netdev->dev,
2969 "Device temperature %d degrees C "
2970 "exceeds operating range."
2971 " Immediate action needed.\n",
2972 temp_val);
2973 }
2974 } else {
79788450 2975 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2976 dev_info(&netdev->dev,
2977 "Device temperature is now %d degrees C"
2978 " in normal range.\n", temp_val);
2979 }
2980 }
79788450 2981 adapter->ahw->temp = temp_state;
af19b491
AKS		 2982 return rv;
2983}
2984
95b3890a 2985static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
af19b491 2986{
95b3890a
HM		 2987 int i;
2988 struct cmd_desc_type0 *tx_desc_info;
2989
2990 for (i = 0; i < tx_ring->num_desc; i++) {
2991 tx_desc_info = &tx_ring->desc_head[i];
2992 pr_info("TX Desc: %d\n", i);
2993 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2994 &tx_ring->desc_head[i],
2995 sizeof(struct cmd_desc_type0), true);
2996 }
2997}
2998
665d1eca 2999static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
95b3890a 3000{
665d1eca 3001 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
95b3890a 3002 struct net_device *netdev = adapter->netdev;
665d1eca
HP		 3003 struct qlcnic_host_rds_ring *rds_ring;
3004 struct qlcnic_host_sds_ring *sds_ring;
012ec812
HM		 3005 struct qlcnic_host_tx_ring *tx_ring;
3006 int ring;
af19b491 3007
95b3890a
HM		 3008 if (!netdev || !netif_running(netdev))
3009 return;
3010
665d1eca
HP		 3011 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
3012 rds_ring = &recv_ctx->rds_rings[ring];
3013 if (!rds_ring)
3014 continue;
3015 netdev_info(netdev,
3016 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3017 ring, readl(rds_ring->crb_rcv_producer),
3018 rds_ring->producer, rds_ring->num_desc);
3019 }
3020
3021 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3022 sds_ring = &(recv_ctx->sds_rings[ring]);
3023 if (!sds_ring)
3024 continue;
3025 netdev_info(netdev,
3026 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3027 ring, readl(sds_ring->crb_sts_consumer),
3028 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3029 sds_ring->num_desc);
3030 }
3031
95b3890a
HM		 3032 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3033 tx_ring = &adapter->tx_ring[ring];
665d1eca
HP		 3034 if (!tx_ring)
3035 continue;
95b3890a
HM		 3036 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3037 ring, tx_ring->ctx_id);
3038 netdev_info(netdev,
3039 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3040 tx_ring->tx_stats.xmit_finished,
3041 tx_ring->tx_stats.xmit_called,
3042 tx_ring->tx_stats.xmit_on,
3043 tx_ring->tx_stats.xmit_off);
d5d2bf3e
MC		 3044
3045 if (tx_ring->crb_intr_mask)
3046 netdev_info(netdev, "crb_intr_mask=%d\n",
3047 readl(tx_ring->crb_intr_mask));
3048
95b3890a 3049 netdev_info(netdev,
d5d2bf3e 3050 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
95b3890a
HM		 3051 readl(tx_ring->crb_cmd_producer),
3052 tx_ring->producer, tx_ring->sw_consumer,
3053 le32_to_cpu(*(tx_ring->hw_consumer)));
3054
3055 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3056 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3057
665d1eca 3058 if (netif_msg_tx_err(adapter->ahw))
95b3890a
HM		 3059 dump_tx_ring_desc(tx_ring);
3060 }
665d1eca 3061
95b3890a
HM		 3062}
3063
3064static void qlcnic_tx_timeout(struct net_device *netdev)
3065{
3066 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3067
af19b491
AKS		 3068 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3069 return;
3070
665d1eca
HP		 3071 qlcnic_dump_rings(adapter);
3072
3073 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3074 netif_msg_tx_err(adapter->ahw)) {
3075 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
536faa61
SC		 3076 if (qlcnic_82xx_check(adapter))
3077 adapter->need_fw_reset = 1;
3078 else if (qlcnic_83xx_check(adapter))
3079 qlcnic_83xx_idc_request_reset(adapter,
3080 QLCNIC_FORCE_FW_DUMP_KEY);
3081 } else {
665d1eca 3082 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
79788450 3083 adapter->ahw->reset_context = 1;
536faa61 3084 }
af19b491
AKS		 3085}
3086
3087static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3088{
3089 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3090 struct net_device_stats *stats = &netdev->stats;
3091
1ac6762a
MC		 3092 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3093 qlcnic_update_stats(adapter);
3094
af19b491
AKS		 3095 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3096 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 3097 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 3098 stats->tx_bytes = adapter->stats.txbytes;
3099 stats->rx_dropped = adapter->stats.rxdropped;
3100 stats->tx_dropped = adapter->stats.txdropped;
3101
3102 return stats;
3103}
3104
21041400 3105static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 3106{
af19b491
AKS		 3107 u32 status;
3108
3109 status = readl(adapter->isr_int_vec);
3110
79788450 3111 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 3112 return IRQ_NONE;
3113
3114 /* check interrupt state machine, to be sure */
3115 status = readl(adapter->crb_int_state_reg);
3116 if (!ISR_LEGACY_INT_TRIGGERED(status))
3117 return IRQ_NONE;
3118
3119 writel(0xffffffff, adapter->tgt_status_reg);
3120 /* read twice to ensure write is flushed */
3121 readl(adapter->isr_int_vec);
3122 readl(adapter->isr_int_vec);
3123
7eb9855d
AKS		 3124 return IRQ_HANDLED;
3125}
3126
3127static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3128{
3129 struct qlcnic_host_sds_ring *sds_ring = data;
3130 struct qlcnic_adapter *adapter = sds_ring->adapter;
3131
3132 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3133 goto done;
3134 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3135 writel(0xffffffff, adapter->tgt_status_reg);
3136 goto done;
3137 }
3138
3139 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3140 return IRQ_NONE;
3141
3142done:
79788450 3143 adapter->ahw->diag_cnt++;
2cc5752e 3144 qlcnic_enable_sds_intr(adapter, sds_ring);
7eb9855d
AKS		 3145 return IRQ_HANDLED;
3146}
3147
3148static irqreturn_t qlcnic_intr(int irq, void *data)
3149{
3150 struct qlcnic_host_sds_ring *sds_ring = data;
3151 struct qlcnic_adapter *adapter = sds_ring->adapter;
3152
3153 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3154 return IRQ_NONE;
3155
af19b491
AKS		 3156 napi_schedule(&sds_ring->napi);
3157
3158 return IRQ_HANDLED;
3159}
3160
3161static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3162{
3163 struct qlcnic_host_sds_ring *sds_ring = data;
3164 struct qlcnic_adapter *adapter = sds_ring->adapter;
3165
3166 /* clear interrupt */
3167 writel(0xffffffff, adapter->tgt_status_reg);
3168
3169 napi_schedule(&sds_ring->napi);
3170 return IRQ_HANDLED;
3171}
3172
3173static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3174{
3175 struct qlcnic_host_sds_ring *sds_ring = data;
3176
3177 napi_schedule(&sds_ring->napi);
3178 return IRQ_HANDLED;
3179}
3180
13159183
SC		 3181static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3182{
3183 struct qlcnic_host_tx_ring *tx_ring = data;
3184
3185 napi_schedule(&tx_ring->napi);
3186 return IRQ_HANDLED;
3187}
3188
af19b491
AKS		 3189#ifdef CONFIG_NET_POLL_CONTROLLER
3190static void qlcnic_poll_controller(struct net_device *netdev)
3191{
3192 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2b018ad9
M		 3193 struct qlcnic_host_sds_ring *sds_ring;
3194 struct qlcnic_recv_context *recv_ctx;
3195 struct qlcnic_host_tx_ring *tx_ring;
3196 int ring;
3197
3198 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3199 return;
3200
3201 recv_ctx = adapter->recv_ctx;
bf82791e 3202
34e8c406 3203 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
bf82791e 3204 sds_ring = &recv_ctx->sds_rings[ring];
2b018ad9
M		 3205 qlcnic_disable_sds_intr(adapter, sds_ring);
3206 napi_schedule(&sds_ring->napi);
3207 }
3208
3209 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3210 /* Only Multi-Tx queue capable devices need to
3211 * schedule NAPI for TX rings
3212 */
3213 if ((qlcnic_83xx_check(adapter) &&
3214 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3215 (qlcnic_82xx_check(adapter) &&
3216 !qlcnic_check_multi_tx(adapter)))
3217 return;
3218
3219 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3220 tx_ring = &adapter->tx_ring[ring];
3221 qlcnic_disable_tx_intr(adapter, tx_ring);
3222 napi_schedule(&tx_ring->napi);
3223 }
bf82791e 3224 }
af19b491
AKS		 3225}
3226#endif
3227
6df900e9
SC		 3228static void
3229qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3230{
3231 u32 val;
3232
3233 val = adapter->portnum & 0xf;
3234 val |= encoding << 7;
3235 val |= (jiffies - adapter->dev_rst_time) << 8;
3236
a15ebd37 3237 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 3238 adapter->dev_rst_time = jiffies;
3239}
3240
ade91f8e
AKS		 3241static int
3242qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 3243{
3244 u32 val;
3245
3246 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3247 state != QLCNIC_DEV_NEED_QUISCENT);
3248
3249 if (qlcnic_api_lock(adapter))
ade91f8e 3250 return -EIO;
af19b491 3251
a15ebd37 3252 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 3253
3254 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 3255 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 3256 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 3257 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 3258
a15ebd37 3259 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3260
3261 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 3262
3263 return 0;
af19b491
AKS		 3264}
3265
1b95a839
AKS		 3266static int
3267qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3268{
3269 u32 val;
3270
3271 if (qlcnic_api_lock(adapter))
3272 return -EBUSY;
3273
a15ebd37 3274 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3275 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3276 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 3277
3278 qlcnic_api_unlock(adapter);
3279
3280 return 0;
3281}
3282
486a5bc7 3283void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 3284{
3285 u32 val;
3286
3287 if (qlcnic_api_lock(adapter))
3288 goto err;
3289
a15ebd37 3290 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 3291 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 3292 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 3293
21854f02 3294 if (failed) {
a15ebd37
HM		 3295 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3296 QLCNIC_DEV_FAILED);
21854f02
AKS		 3297 dev_info(&adapter->pdev->dev,
3298 "Device state set to Failed. Please Reboot\n");
3299 } else if (!(val & 0x11111111))
a15ebd37
HM		 3300 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3301 QLCNIC_DEV_COLD);
af19b491 3302
a15ebd37 3303 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3304 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3305 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3306
3307 qlcnic_api_unlock(adapter);
3308err:
3309 adapter->fw_fail_cnt = 0;
032a13c7 3310 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 3311 clear_bit(__QLCNIC_START_FW, &adapter->state);
3312 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3313}
3314
f73dfc50 3315/* Grab api lock, before checking state */
af19b491
AKS		 3316static int
3317qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3318{
602ca6f0 3319 int act, state, active_mask;
a15ebd37 3320 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 3321
a15ebd37
HM		 3322 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3323 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 3324
602ca6f0 3325 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 3326 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 3327 act = act & active_mask;
3328 }
3329
af19b491
AKS		 3330 if (((state & 0x11111111) == (act & 0x11111111)) ||
3331 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3332 return 0;
3333 else
3334 return 1;
3335}
3336
96f8118c
SC		 3337static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3338{
a15ebd37 3339 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 3340
3341 if (val != QLCNIC_DRV_IDC_VER) {
3342 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3343 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3344 }
3345
3346 return 0;
3347}
3348
af19b491
AKS		 3349static int
3350qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3351{
3352 u32 val, prev_state;
aa5e18c0 3353 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 3354 u8 portnum = adapter->portnum;
96f8118c 3355 u8 ret;
af19b491 3356
f73dfc50
AKS		 3357 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3358 return 1;
3359
af19b491
AKS		 3360 if (qlcnic_api_lock(adapter))
3361 return -1;
3362
a15ebd37 3363 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 3364 if (!(val & (1 << (portnum * 4)))) {
3365 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 3366 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3367 }
3368
a15ebd37 3369 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3370 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3371
3372 switch (prev_state) {
3373 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3374 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3375 QLCNIC_DEV_INITIALIZING);
3376 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3377 QLCNIC_DRV_IDC_VER);
6df900e9 3378 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3379 qlcnic_api_unlock(adapter);
3380 return 1;
3381
3382 case QLCNIC_DEV_READY:
96f8118c 3383 ret = qlcnic_check_idc_ver(adapter);
af19b491 3384 qlcnic_api_unlock(adapter);
96f8118c 3385 return ret;
af19b491
AKS		 3386
3387 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3388 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3389 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3390 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3391 break;
3392
3393 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3394 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3395 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3396 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3397 break;
3398
3399 case QLCNIC_DEV_FAILED:
a7fc948f 3400 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3401 qlcnic_api_unlock(adapter);
3402 return -1;
bbd8c6a4
AKS		 3403
3404 case QLCNIC_DEV_INITIALIZING:
3405 case QLCNIC_DEV_QUISCENT:
3406 break;
af19b491
AKS		 3407 }
3408
3409 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3410
3411 do {
af19b491 3412 msleep(1000);
a15ebd37 3413 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3414
3415 if (prev_state == QLCNIC_DEV_QUISCENT)
3416 continue;
3417 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3418
65b5b420
AKS		 3419 if (!dev_init_timeo) {
3420 dev_err(&adapter->pdev->dev,
3421 "Waiting for device to initialize timeout\n");
af19b491 3422 return -1;
65b5b420 3423 }
af19b491
AKS		 3424
3425 if (qlcnic_api_lock(adapter))
3426 return -1;
3427
a15ebd37 3428 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3429 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3430 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3431
96f8118c 3432 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3433 qlcnic_api_unlock(adapter);
3434
96f8118c 3435 return ret;
af19b491
AKS		 3436}
3437
3438static void
3439qlcnic_fwinit_work(struct work_struct *work)
3440{
3441 struct qlcnic_adapter *adapter = container_of(work,
3442 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3443 u32 dev_state = 0xf;
7b749ff4 3444 u32 val;
af19b491 3445
f73dfc50
AKS		 3446 if (qlcnic_api_lock(adapter))
3447 goto err_ret;
af19b491 3448
a15ebd37 3449 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3450 if (dev_state == QLCNIC_DEV_QUISCENT ||
3451 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3452 qlcnic_api_unlock(adapter);
3453 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3454 FW_POLL_DELAY * 2);
3455 return;
3456 }
3457
79788450 3458 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3459 qlcnic_api_unlock(adapter);
3460 goto wait_npar;
9f26f547
AC		 3461 }
3462
16e3cf73
SV		 3463 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3464 dev_state == QLCNIC_DEV_READY) {
3465 dev_info(&adapter->pdev->dev, "Detected state change from "
3466 "DEV_NEED_RESET, skipping ack check\n");
3467 goto skip_ack_check;
3468 }
3469
f73dfc50 3470 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3471 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3472 adapter->reset_ack_timeo);
3473 goto skip_ack_check;
3474 }
3475
3476 if (!qlcnic_check_drv_state(adapter)) {
3477skip_ack_check:
a15ebd37 3478 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3479
f73dfc50 3480 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3481 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3482 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3483 set_bit(__QLCNIC_START_FW, &adapter->state);
3484 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3485 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3486 val = QLC_SHARED_REG_RD32(adapter,
3487 QLCNIC_CRB_DRV_STATE);
7b749ff4 3488 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3489 QLC_SHARED_REG_WR32(adapter,
3490 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3491 }
3492
f73dfc50
AKS		 3493 qlcnic_api_unlock(adapter);
3494
287e38aa 3495 rtnl_lock();
890b6e02 3496 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3497 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3498 QLCDB(adapter, DRV, "Take FW dump\n");
3499 qlcnic_dump_fw(adapter);
032a13c7 3500 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3501 }
287e38aa 3502 rtnl_unlock();
7b749ff4
SV		 3503
3504 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3505 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3506 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3507 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3508 return;
3509 }
af19b491
AKS		 3510 goto err_ret;
3511 }
3512
f73dfc50 3513 qlcnic_api_unlock(adapter);
aa5e18c0 3514
9f26f547 3515wait_npar:
a15ebd37 3516 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3517 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3518
af19b491 3519 switch (dev_state) {
3c4b23b1 3520 case QLCNIC_DEV_READY:
7e2cf4fe 3521 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3522 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3523 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3524 return;
3525 }
3c4b23b1
AKS		 3526 case QLCNIC_DEV_FAILED:
3527 break;
3528 default:
3529 qlcnic_schedule_work(adapter,
3530 qlcnic_fwinit_work, FW_POLL_DELAY);
3531 return;
af19b491
AKS		 3532 }
3533
3534err_ret:
f73dfc50
AKS		 3535 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3536 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3537 netif_device_attach(adapter->netdev);
21854f02 3538 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3539}
3540
3541static void
3542qlcnic_detach_work(struct work_struct *work)
3543{
3544 struct qlcnic_adapter *adapter = container_of(work,
3545 struct qlcnic_adapter, fw_work.work);
3546 struct net_device *netdev = adapter->netdev;
3547 u32 status;
3548
3549 netif_device_detach(netdev);
3550
b8c17620
AKS		 3551 /* Dont grab rtnl lock during Quiscent mode */
3552 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3553 if (netif_running(netdev))
3554 __qlcnic_down(adapter, netdev);
3555 } else
3556 qlcnic_down(adapter, netdev);
af19b491 3557
a15ebd37 3558 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3559
44f65b29
SC		 3560 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3561 dev_err(&adapter->pdev->dev,
3562 "Detaching the device: peg halt status1=0x%x\n",
3563 status);
3564
3565 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3566 dev_err(&adapter->pdev->dev,
3567 "On board active cooling fan failed. "
3568 "Device has been halted.\n");
3569 dev_err(&adapter->pdev->dev,
3570 "Replace the adapter.\n");
3571 }
3572
af19b491 3573 goto err_ret;
44f65b29 3574 }
af19b491 3575
79788450 3576 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3577 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3578 adapter->ahw->temp);
af19b491 3579 goto err_ret;
44f65b29
SC		 3580 }
3581
602ca6f0
SV		 3582 /* Dont ack if this instance is the reset owner */
3583 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3584 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3585 dev_err(&adapter->pdev->dev,
3586 "Failed to set driver state,"
3587 "detaching the device.\n");
602ca6f0 3588 goto err_ret;
44f65b29 3589 }
602ca6f0 3590 }
af19b491
AKS		 3591
3592 adapter->fw_wait_cnt = 0;
3593
3594 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3595
3596 return;
3597
3598err_ret:
34ce3626 3599 netif_device_attach(netdev);
21854f02 3600 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3601}
3602
3c4b23b1
AKS		 3603/*Transit NPAR state to NON Operational */
3604static void
3605qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3606{
3607 u32 state;
3608
a15ebd37 3609 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3610 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3611 return;
3612
3613 if (qlcnic_api_lock(adapter))
3614 return;
a15ebd37
HM		 3615 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3616 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3617 qlcnic_api_unlock(adapter);
3618}
3619
21041400 3620static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3621 u32 key)
af19b491 3622{
646779f1
SV		 3623 u32 state, xg_val = 0, gb_val = 0;
3624
3625 qlcnic_xg_set_xg0_mask(xg_val);
3626 qlcnic_xg_set_xg1_mask(xg_val);
3627 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3628 qlcnic_gb_set_gb0_mask(gb_val);
3629 qlcnic_gb_set_gb1_mask(gb_val);
3630 qlcnic_gb_set_gb2_mask(gb_val);
3631 qlcnic_gb_set_gb3_mask(gb_val);
3632 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3633 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3634 " on all ports\n");
cea8975e 3635 adapter->need_fw_reset = 1;
13159183 3636
af19b491
AKS		 3637 if (qlcnic_api_lock(adapter))
3638 return;
3639
13159183 3640 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3641
3642 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3643 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3644 __func__);
3645 qlcnic_api_unlock(adapter);
3646
3647 return;
3648 }
af19b491 3649
f73dfc50 3650 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3651 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3652 QLCNIC_DEV_NEED_RESET);
602ca6f0 3653 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3654 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3655 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3656 }
3657
13159183
SC		 3658 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3659 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3660 qlcnic_api_unlock(adapter);
3661}
3662
9f26f547
AC		 3663/* Transit to NPAR READY state from NPAR NOT READY state */
3664static void
3665qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3666{
9f26f547
AC		 3667 if (qlcnic_api_lock(adapter))
3668 return;
3669
a15ebd37
HM		 3670 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3671 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3672 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3673
3674 qlcnic_api_unlock(adapter);
3675}
3676
13159183
SC		 3677void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3678 work_func_t func, int delay)
af19b491 3679{
451724c8
SC		 3680 if (test_bit(__QLCNIC_AER, &adapter->state))
3681 return;
3682
af19b491 3683 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3684 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3685 round_jiffies_relative(delay));
af19b491
AKS		 3686}
3687
3688static void
3689qlcnic_attach_work(struct work_struct *work)
3690{
3691 struct qlcnic_adapter *adapter = container_of(work,
3692 struct qlcnic_adapter, fw_work.work);
3693 struct net_device *netdev = adapter->netdev;
b18971d1 3694 u32 npar_state;
af19b491 3695
79788450 3696 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3697 npar_state = QLC_SHARED_REG_RD32(adapter,
3698 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3699 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3700 qlcnic_clr_all_drv_state(adapter, 0);
3701 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3702 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3703 FW_POLL_DELAY);
3704 else
3705 goto attach;
3706 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3707 return;
3708 }
3709attach:
1de899d3 3710 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3711
af19b491 3712 if (netif_running(netdev)) {
52486a3a 3713 if (qlcnic_up(adapter, netdev))
af19b491 3714 goto done;
af19b491 3715
aec1e845 3716 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3717 }
3718
af19b491 3719done:
34ce3626 3720 netif_device_attach(netdev);
af19b491 3721 adapter->fw_fail_cnt = 0;
032a13c7 3722 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3723 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3724 if (adapter->portnum == 0)
3725 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3726
3727 if (!qlcnic_clr_drv_state(adapter))
3728 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3729 FW_POLL_DELAY);
af19b491
AKS		 3730}
3731
3732static int
3733qlcnic_check_health(struct qlcnic_adapter *adapter)
3734{
891e71b1
PP		 3735 struct qlcnic_hardware_context *ahw = adapter->ahw;
3736 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3737 u32 state = 0, heartbeat;
853d4bca 3738 u32 peg_status;
4bd8e738 3739 int err = 0;
af19b491
AKS		 3740
3741 if (qlcnic_check_temp(adapter))
3742 goto detach;
3743
2372a5f1 3744 if (adapter->need_fw_reset)
7e2cf4fe 3745 qlcnic_dev_request_reset(adapter, 0);
af19b491 3746
a15ebd37 3747 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3748 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3749 qlcnic_set_npar_non_operational(adapter);
af19b491 3750 adapter->need_fw_reset = 1;
b8c17620
AKS		 3751 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3752 goto detach;
af19b491 3753
a15ebd37 3754 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3755 if (heartbeat != adapter->heartbeat) {
3756 adapter->heartbeat = heartbeat;
af19b491
AKS		 3757 adapter->fw_fail_cnt = 0;
3758 if (adapter->need_fw_reset)
3759 goto detach;
68bf1c68 3760
891e71b1 3761 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3762 qlcnic_reset_hw_context(adapter);
68bf1c68 3763
af19b491
AKS		 3764 return 0;
3765 }
3766
3767 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3768 return 0;
3769
032a13c7
SV		 3770 adapter->flags |= QLCNIC_FW_HANG;
3771
7e2cf4fe 3772 qlcnic_dev_request_reset(adapter, 0);
af19b491 3773
099f7aa7 3774 if (qlcnic_auto_fw_reset)
0df170b6 3775 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3776
853d4bca 3777 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3778 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3779 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3780 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3781 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3782 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3783 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3784 peg_status,
3785 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3786 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3787 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3788 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3789 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3790 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3791 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3792 dev_err(&adapter->pdev->dev,
3793 "Firmware aborted with error code 0x00006700. "
3794 "Device is being reset.\n");
af19b491
AKS		 3795detach:
3796 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3797 QLCNIC_DEV_NEED_RESET;
3798
099f7aa7
SC		 3799 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3800 &adapter->state)) {
65b5b420 3801
af19b491 3802 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3803 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3804 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3805 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3806 qlcnic_dump_fw(adapter);
65b5b420 3807 }
af19b491
AKS		 3808
3809 return 1;
3810}
3811
486a5bc7 3812void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3813{
3814 struct qlcnic_adapter *adapter = container_of(work,
3815 struct qlcnic_adapter, fw_work.work);
3816
3817 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3818 goto reschedule;
3819
3820
3821 if (qlcnic_check_health(adapter))
3822 return;
3823
b5e5492c
AKS		 3824 if (adapter->fhash.fnum)
3825 qlcnic_prune_lb_filters(adapter);
3826
af19b491
AKS		 3827reschedule:
3828 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3829}
3830
451724c8
SC		 3831static int qlcnic_is_first_func(struct pci_dev *pdev)
3832{
3833 struct pci_dev *oth_pdev;
3834 int val = pdev->devfn;
3835
3836 while (val-- > 0) {
3837 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3838 (pdev->bus), pdev->bus->number,
3839 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3840 if (!oth_pdev)
3841 continue;
451724c8 3842
bfc978fa
AKS		 3843 if (oth_pdev->current_state != PCI_D3cold) {
3844 pci_dev_put(oth_pdev);
451724c8 3845 return 0;
bfc978fa
AKS		 3846 }
3847 pci_dev_put(oth_pdev);
451724c8
SC		 3848 }
3849 return 1;
3850}
3851
3852static int qlcnic_attach_func(struct pci_dev *pdev)
3853{
3854 int err, first_func;
3855 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3856 struct net_device *netdev = adapter->netdev;
3857
3858 pdev->error_state = pci_channel_io_normal;
3859
3860 err = pci_enable_device(pdev);
3861 if (err)
3862 return err;
3863
451724c8
SC		 3864 pci_set_master(pdev);
3865 pci_restore_state(pdev);
3866
3867 first_func = qlcnic_is_first_func(pdev);
3868
3869 if (qlcnic_api_lock(adapter))
3870 return -EINVAL;
3871
79788450 3872 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3873 adapter->need_fw_reset = 1;
3874 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3875 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3876 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3877 QLCDB(adapter, DRV, "Restarting fw\n");
3878 }
3879 qlcnic_api_unlock(adapter);
3880
13159183 3881 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3882 if (err)
3883 return err;
3884
3885 qlcnic_clr_drv_state(adapter);
13159183
SC		 3886 kfree(adapter->msix_entries);
3887 adapter->msix_entries = NULL;
34e8c406 3888 err = qlcnic_setup_intr(adapter);
13159183 3889
9a97e705
M		 3890 if (err) {
3891 kfree(adapter->msix_entries);
3892 netdev_err(netdev, "failed to setup interrupt\n");
3893 return err;
3894 }
3895
451724c8
SC		 3896 if (netif_running(netdev)) {
3897 err = qlcnic_attach(adapter);
3898 if (err) {
21854f02 3899 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3900 clear_bit(__QLCNIC_AER, &adapter->state);
3901 netif_device_attach(netdev);
3902 return err;
3903 }
3904
3905 err = qlcnic_up(adapter, netdev);
3906 if (err)
3907 goto done;
3908
aec1e845 3909 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3910 }
3911 done:
3912 netif_device_attach(netdev);
3913 return err;
3914}
3915
21041400 3916static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3917 pci_channel_state_t state)
451724c8
SC		 3918{
3919 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3920 struct net_device *netdev = adapter->netdev;
3921
3922 if (state == pci_channel_io_perm_failure)
3923 return PCI_ERS_RESULT_DISCONNECT;
3924
3925 if (state == pci_channel_io_normal)
3926 return PCI_ERS_RESULT_RECOVERED;
3927
3928 set_bit(__QLCNIC_AER, &adapter->state);
3929 netif_device_detach(netdev);
3930
3931 cancel_delayed_work_sync(&adapter->fw_work);
3932
3933 if (netif_running(netdev))
3934 qlcnic_down(adapter, netdev);
3935
3936 qlcnic_detach(adapter);
3937 qlcnic_teardown_intr(adapter);
3938
3939 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3940
3941 pci_save_state(pdev);
3942 pci_disable_device(pdev);
3943
3944 return PCI_ERS_RESULT_NEED_RESET;
3945}
3946
21041400 3947static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8
SC		 3948{
3949 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3950 PCI_ERS_RESULT_RECOVERED;
3951}
3952
21041400 3953static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3954{
a15ebd37 3955 u32 state;
451724c8
SC		 3956 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3957
3958 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3959 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3960 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3961 &adapter->state))
451724c8 3962 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3963 FW_POLL_DELAY);
451724c8
SC		 3964}
3965
4460f2e8
PP		 3966static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3967 pci_channel_state_t state)
3968{
3969 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3970 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3971
3972 if (hw_ops->io_error_detected) {
3973 return hw_ops->io_error_detected(pdev, state);
3974 } else {
3975 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3976 return PCI_ERS_RESULT_DISCONNECT;
3977 }
3978}
3979
3980static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3981{
3982 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3983 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3984
3985 if (hw_ops->io_slot_reset) {
3986 return hw_ops->io_slot_reset(pdev);
3987 } else {
3988 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3989 return PCI_ERS_RESULT_DISCONNECT;
3990 }
3991}
3992
3993static void qlcnic_io_resume(struct pci_dev *pdev)
3994{
3995 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3996 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3997
3998 if (hw_ops->io_resume)
3999 hw_ops->io_resume(pdev);
4000 else
4001 dev_err(&pdev->dev, "AER resume handler not registered.\n");
4002}
4003
4004
87eb743b
AC		 4005static int
4006qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
4007{
4008 int err;
4009
4010 err = qlcnic_can_start_firmware(adapter);
4011 if (err)
4012 return err;
4013
78f84e1a
AKS		 4014 err = qlcnic_check_npar_opertional(adapter);
4015 if (err)
4016 return err;
3c4b23b1 4017
174240a8
RB		 4018 err = qlcnic_initialize_nic(adapter);
4019 if (err)
4020 return err;
4021
87eb743b
AC		 4022 qlcnic_check_options(adapter);
4023
7373373d
RB		 4024 err = qlcnic_set_eswitch_port_config(adapter);
4025 if (err)
4026 return err;
4027
87eb743b
AC		 4028 adapter->need_fw_reset = 0;
4029
4030 return err;
4031}
4032
34e8c406
HM		 4033int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4034 int queue_type)
aa4a1f7d
HM		 4035{
4036 struct net_device *netdev = adapter->netdev;
34e8c406
HM		 4037 u8 max_hw_rings = 0;
4038 char buf[8];
4039 int cur_rings;
4040
4041 if (queue_type == QLCNIC_RX_QUEUE) {
4042 max_hw_rings = adapter->max_sds_rings;
4043 cur_rings = adapter->drv_sds_rings;
4044 strcpy(buf, "SDS");
4045 } else if (queue_type == QLCNIC_TX_QUEUE) {
18afc102 4046 max_hw_rings = adapter->max_tx_rings;
34e8c406
HM		 4047 cur_rings = adapter->drv_tx_rings;
4048 strcpy(buf, "Tx");
aa4a1f7d
HM		 4049 }
4050
34e8c406
HM		 4051 if (!is_power_of_2(ring_cnt)) {
4052 netdev_err(netdev, "%s rings value should be a power of 2\n",
4053 buf);
aa4a1f7d
HM		 4054 return -EINVAL;
4055 }
4056
34e8c406
HM		 4057 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4058 !qlcnic_check_multi_tx(adapter)) {
4059 netdev_err(netdev, "No Multi Tx queue support\n");
4060 return -EINVAL;
f94bc1e7
SC		 4061 }
4062
34e8c406
HM		 4063 if (ring_cnt > num_online_cpus()) {
4064 netdev_err(netdev,
4065 "%s value[%u] should not be higher than, number of online CPUs\n",
4066 buf, num_online_cpus());
f94bc1e7
SC		 4067 return -EINVAL;
4068 }
34e8c406 4069
f94bc1e7 4070 return 0;
f94bc1e7
SC		 4071}
4072
cb9327d5 4073int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
f94bc1e7
SC		 4074{
4075 struct net_device *netdev = adapter->netdev;
84d7ad2c 4076 u8 tx_rings, rx_rings;
34e8c406 4077 int err;
f94bc1e7 4078
319ecf12
SC		 4079 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4080 return -EBUSY;
4081
84d7ad2c
SS		 4082 tx_rings = adapter->drv_tss_rings;
4083 rx_rings = adapter->drv_rss_rings;
4084
f94bc1e7 4085 netif_device_detach(netdev);
84d7ad2c
SS		 4086
4087 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4088 if (err)
4089 goto done;
4090
f94bc1e7
SC		 4091 if (netif_running(netdev))
4092 __qlcnic_down(adapter, netdev);
13159183 4093
7dd90cf1
SC		 4094 qlcnic_detach(adapter);
4095
7ed3ce48 4096 if (qlcnic_83xx_check(adapter)) {
13159183 4097 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 4098 qlcnic_83xx_enable_mbx_poll(adapter);
4099 }
13159183 4100
f94bc1e7 4101 qlcnic_teardown_intr(adapter);
aa4a1f7d 4102
34e8c406 4103 err = qlcnic_setup_intr(adapter);
9a97e705
M		 4104 if (err) {
4105 kfree(adapter->msix_entries);
4106 netdev_err(netdev, "failed to setup interrupt\n");
4107 return err;
4108 }
f94bc1e7 4109
84d7ad2c
SS		 4110 /* Check if we need to update real_num_{tx|rx}_queues because
4111 * qlcnic_setup_intr() may change Tx/Rx rings size
4112 */
4113 if ((tx_rings != adapter->drv_tx_rings) ||
4114 (rx_rings != adapter->drv_sds_rings)) {
4115 err = qlcnic_set_real_num_queues(adapter,
4116 adapter->drv_tx_rings,
4117 adapter->drv_sds_rings);
4118 if (err)
4119 goto done;
4120 }
cb9327d5 4121
13159183 4122 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 4123 qlcnic_83xx_initialize_nic(adapter, 1);
13159183 4124 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 4125 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 4126 if (err) {
4127 dev_err(&adapter->pdev->dev,
4128 "failed to setup mbx interrupt\n");
4129 goto done;
4130 }
f94bc1e7
SC		 4131 }
4132
4133 if (netif_running(netdev)) {
4134 err = qlcnic_attach(adapter);
4135 if (err)
4136 goto done;
4137 err = __qlcnic_up(adapter, netdev);
4138 if (err)
4139 goto done;
4140 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4141 }
aa4a1f7d 4142done:
f94bc1e7
SC		 4143 netif_device_attach(netdev);
4144 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4145 return err;
4146}
4147
af19b491
AKS		 4148#ifdef CONFIG_INET
4149
4150#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4151
af19b491 4152static void
aec1e845
AKS		 4153qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4154 struct net_device *dev, unsigned long event)
af19b491
AKS		 4155{
4156 struct in_device *indev;
af19b491 4157
af19b491
AKS		 4158 indev = in_dev_get(dev);
4159 if (!indev)
4160 return;
4161
4162 for_ifa(indev) {
4163 switch (event) {
4164 case NETDEV_UP:
4165 qlcnic_config_ipaddr(adapter,
4166 ifa->ifa_address, QLCNIC_IP_UP);
4167 break;
4168 case NETDEV_DOWN:
4169 qlcnic_config_ipaddr(adapter,
4170 ifa->ifa_address, QLCNIC_IP_DOWN);
4171 break;
4172 default:
4173 break;
4174 }
4175 } endfor_ifa(indev);
4176
4177 in_dev_put(indev);
af19b491
AKS		 4178}
4179
319ecf12 4180void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 4181{
4182 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4183 struct net_device *dev;
4184 u16 vid;
4185
4186 qlcnic_config_indev_addr(adapter, netdev, event);
4187
43c00a75 4188 rcu_read_lock();
b9796a14 4189 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
f06c7f9f 4190 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 4191 if (!dev)
4192 continue;
aec1e845
AKS		 4193 qlcnic_config_indev_addr(adapter, dev, event);
4194 }
43c00a75 4195 rcu_read_unlock();
aec1e845
AKS		 4196}
4197
af19b491
AKS		 4198static int qlcnic_netdev_event(struct notifier_block *this,
4199 unsigned long event, void *ptr)
4200{
4201 struct qlcnic_adapter *adapter;
351638e7 4202 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 4203
4204recheck:
4205 if (dev == NULL)
4206 goto done;
4207
4208 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4209 dev = vlan_dev_real_dev(dev);
4210 goto recheck;
4211 }
4212
4213 if (!is_qlcnic_netdev(dev))
4214 goto done;
4215
4216 adapter = netdev_priv(dev);
4217
4218 if (!adapter)
4219 goto done;
4220
8a15ad1f 4221 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4222 goto done;
4223
aec1e845 4224 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4225done:
4226 return NOTIFY_DONE;
4227}
4228
4229static int
4230qlcnic_inetaddr_event(struct notifier_block *this,
4231 unsigned long event, void *ptr)
4232{
4233 struct qlcnic_adapter *adapter;
4234 struct net_device *dev;
4235
4236 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4237
4238 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4239
4240recheck:
aec1e845 4241 if (dev == NULL)
af19b491
AKS		 4242 goto done;
4243
4244 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4245 dev = vlan_dev_real_dev(dev);
4246 goto recheck;
4247 }
4248
4249 if (!is_qlcnic_netdev(dev))
4250 goto done;
4251
4252 adapter = netdev_priv(dev);
4253
251a84c9 4254 if (!adapter)
af19b491
AKS		 4255 goto done;
4256
8a15ad1f 4257 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4258 goto done;
4259
4260 switch (event) {
4261 case NETDEV_UP:
4262 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 4263
af19b491
AKS		 4264 break;
4265 case NETDEV_DOWN:
4266 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 4267
af19b491
AKS		 4268 break;
4269 default:
4270 break;
4271 }
4272
4273done:
4274 return NOTIFY_DONE;
4275}
4276
4277static struct notifier_block qlcnic_netdev_cb = {
4278 .notifier_call = qlcnic_netdev_event,
4279};
4280
4281static struct notifier_block qlcnic_inetaddr_cb = {
4282 .notifier_call = qlcnic_inetaddr_event,
4283};
4284#else
f8ca2b6f 4285void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4286{ }
4287#endif
fec9dd15 4288static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 4289 .error_detected = qlcnic_io_error_detected,
4290 .slot_reset = qlcnic_io_slot_reset,
4291 .resume = qlcnic_io_resume,
4292};
af19b491
AKS		 4293
4294static struct pci_driver qlcnic_driver = {
4295 .name = qlcnic_driver_name,
4296 .id_table = qlcnic_pci_tbl,
4297 .probe = qlcnic_probe,
6bb58bb0 4298 .remove = qlcnic_remove,
af19b491
AKS		 4299#ifdef CONFIG_PM
4300 .suspend = qlcnic_suspend,
4301 .resume = qlcnic_resume,
4302#endif
451724c8 4303 .shutdown = qlcnic_shutdown,
02feda17
RB		 4304 .err_handler = &qlcnic_err_handler,
4305#ifdef CONFIG_QLCNIC_SRIOV
4306 .sriov_configure = qlcnic_pci_sriov_configure,
4307#endif
451724c8 4308
af19b491
AKS		 4309};
4310
4311static int __init qlcnic_init_module(void)
4312{
0cf3a14c 4313 int ret;
af19b491
AKS		 4314
4315 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4316
4317#ifdef CONFIG_INET
4318 register_netdevice_notifier(&qlcnic_netdev_cb);
4319 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4320#endif
4321
0cf3a14c
AKS		 4322 ret = pci_register_driver(&qlcnic_driver);
4323 if (ret) {
4324#ifdef CONFIG_INET
4325 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4326 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4327#endif
4328 }
af19b491 4329
0cf3a14c 4330 return ret;
af19b491
AKS		 4331}
4332
4333module_init(qlcnic_init_module);
4334
4335static void __exit qlcnic_exit_module(void)
4336{
af19b491
AKS		 4337 pci_unregister_driver(&qlcnic_driver);
4338
4339#ifdef CONFIG_INET
4340 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4341 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4342#endif
4343}
4344
4345module_exit(qlcnic_exit_module);
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