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Merge tag 'powerpc-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[mirror_ubuntu-jammy-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>
7e56cac4 10#include <linux/swab.h>
af19b491 11#include <linux/dma-mapping.h>
13159183 12#include <linux/if_vlan.h>
af19b491
AKS		 13#include <net/ip.h>
14#include <linux/ipv6.h>
15#include <linux/inetdevice.h>
451724c8 16#include <linux/aer.h>
f94bc1e7 17#include <linux/log2.h>
47caf255 18#include <linux/pci.h>
2b3d7b75 19#include <net/vxlan.h>
af19b491 20
a930a463
HP		 21#include "qlcnic.h"
22#include "qlcnic_sriov.h"
23#include "qlcnic_hw.h"
24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
9fd13331 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
9fd13331 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
9fd13331 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
3ced0a88 52MODULE_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 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
1dd06ae8 55static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 56static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 57static int qlcnic_open(struct net_device *netdev);
58static int qlcnic_close(struct net_device *netdev);
0290bd29 59static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue);
af19b491
AKS		 60static void qlcnic_attach_work(struct work_struct *work);
61static void qlcnic_fwinit_work(struct work_struct *work);
af19b491 62
6df900e9 63static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
af19b491
AKS		 64static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
65
7eb9855d 66static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 67static irqreturn_t qlcnic_intr(int irq, void *data);
68static irqreturn_t qlcnic_msi_intr(int irq, void *data);
69static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 70static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 71
72static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 73static int qlcnic_start_firmware(struct qlcnic_adapter *);
74
b5e5492c 75static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 76static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 77static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
80d5c368
PM		 78static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
79static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 80
21041400 81static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
82static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
83static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
84static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
85static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
86static void qlcnic_82xx_io_resume(struct pci_dev *);
87static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
88static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
89 pci_channel_state_t);
13159183
SC		 90static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
91{
92 struct qlcnic_hardware_context *ahw = adapter->ahw;
93
94 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
95 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
96 else
97 return 1;
98}
99
af19b491
AKS		 100/* PCI Device ID Table */
101#define ENTRY(device) \
102 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
103 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
104
9baa3c34 105static const struct pci_device_id qlcnic_pci_tbl[] = {
af19b491 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 107 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 108 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
da286a6f
SS		 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
110 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
15ca140f
MC		 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
112 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
af19b491
AKS		 113 {0,}
114};
115
116MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
117
118
5ad6ff9d 119inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 120{
121 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 122}
123
124static const u32 msi_tgt_status[8] = {
125 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
126 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
127 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
128 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
129};
130
7e2cf4fe
SC		 131static const u32 qlcnic_reg_tbl[] = {
132 0x1B20A8, /* PEG_HALT_STAT1 */
133 0x1B20AC, /* PEG_HALT_STAT2 */
134 0x1B20B0, /* FW_HEARTBEAT */
135 0x1B2100, /* LOCK ID */
136 0x1B2128, /* FW_CAPABILITIES */
137 0x1B2138, /* drv active */
138 0x1B2140, /* dev state */
139 0x1B2144, /* drv state */
140 0x1B2148, /* drv scratch */
141 0x1B214C, /* dev partition info */
142 0x1B2174, /* drv idc ver */
143 0x1B2150, /* fw version major */
144 0x1B2154, /* fw version minor */
145 0x1B2158, /* fw version sub */
146 0x1B219C, /* npar state */
147 0x1B21FC, /* FW_IMG_VALID */
148 0x1B2250, /* CMD_PEG_STATE */
149 0x1B233C, /* RCV_PEG_STATE */
150 0x1B23B4, /* ASIC TEMP */
151 0x1B216C, /* FW api */
152 0x1B2170, /* drv op mode */
153 0x13C010, /* flash lock */
154 0x13C014, /* flash unlock */
155};
156
22999798 157static const struct qlcnic_board_info qlcnic_boards[] = {
15ca140f
MC		 158 { PCI_VENDOR_ID_QLOGIC,
159 PCI_DEVICE_ID_QLOGIC_QLE844X,
160 0x0,
161 0x0,
162 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
e386cd4a
HM		 163 { PCI_VENDOR_ID_QLOGIC,
164 PCI_DEVICE_ID_QLOGIC_QLE834X,
165 PCI_VENDOR_ID_QLOGIC,
166 0x24e,
167 "8300 Series Dual Port 10GbE Converged Network Adapter "
168 "(TCP/IP Networking)" },
169 { PCI_VENDOR_ID_QLOGIC,
170 PCI_DEVICE_ID_QLOGIC_QLE834X,
171 PCI_VENDOR_ID_QLOGIC,
172 0x243,
173 "8300 Series Single Port 10GbE Converged Network Adapter "
174 "(TCP/IP Networking)" },
175 { PCI_VENDOR_ID_QLOGIC,
176 PCI_DEVICE_ID_QLOGIC_QLE834X,
177 PCI_VENDOR_ID_QLOGIC,
178 0x24a,
179 "8300 Series Dual Port 10GbE Converged Network Adapter "
180 "(TCP/IP Networking)" },
181 { PCI_VENDOR_ID_QLOGIC,
182 PCI_DEVICE_ID_QLOGIC_QLE834X,
183 PCI_VENDOR_ID_QLOGIC,
184 0x246,
185 "8300 Series Dual Port 10GbE Converged Network Adapter "
186 "(TCP/IP Networking)" },
187 { PCI_VENDOR_ID_QLOGIC,
188 PCI_DEVICE_ID_QLOGIC_QLE834X,
189 PCI_VENDOR_ID_QLOGIC,
190 0x252,
191 "8300 Series Dual Port 10GbE Converged Network Adapter "
192 "(TCP/IP Networking)" },
193 { PCI_VENDOR_ID_QLOGIC,
194 PCI_DEVICE_ID_QLOGIC_QLE834X,
195 PCI_VENDOR_ID_QLOGIC,
196 0x26e,
197 "8300 Series Dual Port 10GbE Converged Network Adapter "
198 "(TCP/IP Networking)" },
199 { PCI_VENDOR_ID_QLOGIC,
200 PCI_DEVICE_ID_QLOGIC_QLE834X,
201 PCI_VENDOR_ID_QLOGIC,
202 0x260,
203 "8300 Series Dual Port 10GbE Converged Network Adapter "
204 "(TCP/IP Networking)" },
205 { PCI_VENDOR_ID_QLOGIC,
206 PCI_DEVICE_ID_QLOGIC_QLE834X,
207 PCI_VENDOR_ID_QLOGIC,
208 0x266,
209 "8300 Series Single Port 10GbE Converged Network Adapter "
210 "(TCP/IP Networking)" },
211 { PCI_VENDOR_ID_QLOGIC,
212 PCI_DEVICE_ID_QLOGIC_QLE834X,
213 PCI_VENDOR_ID_QLOGIC,
214 0x269,
215 "8300 Series Dual Port 10GbE Converged Network Adapter "
216 "(TCP/IP Networking)" },
217 { PCI_VENDOR_ID_QLOGIC,
218 PCI_DEVICE_ID_QLOGIC_QLE834X,
219 PCI_VENDOR_ID_QLOGIC,
220 0x271,
221 "8300 Series Dual Port 10GbE Converged Network Adapter "
222 "(TCP/IP Networking)" },
223 { PCI_VENDOR_ID_QLOGIC,
224 PCI_DEVICE_ID_QLOGIC_QLE834X,
225 0x0, 0x0, "8300 Series 1/10GbE Controller" },
40e2b8ed
SS		 226 { PCI_VENDOR_ID_QLOGIC,
227 PCI_DEVICE_ID_QLOGIC_QLE8830,
228 0x0,
229 0x0,
230 "8830 Series 1/10GbE Controller" },
e386cd4a
HM		 231 { PCI_VENDOR_ID_QLOGIC,
232 PCI_DEVICE_ID_QLOGIC_QLE824X,
233 PCI_VENDOR_ID_QLOGIC,
234 0x203,
235 "8200 Series Single Port 10GbE Converged Network Adapter"
236 "(TCP/IP Networking)" },
237 { PCI_VENDOR_ID_QLOGIC,
238 PCI_DEVICE_ID_QLOGIC_QLE824X,
239 PCI_VENDOR_ID_QLOGIC,
240 0x207,
241 "8200 Series Dual Port 10GbE Converged Network Adapter"
242 "(TCP/IP Networking)" },
243 { PCI_VENDOR_ID_QLOGIC,
244 PCI_DEVICE_ID_QLOGIC_QLE824X,
245 PCI_VENDOR_ID_QLOGIC,
246 0x20b,
247 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
248 { PCI_VENDOR_ID_QLOGIC,
249 PCI_DEVICE_ID_QLOGIC_QLE824X,
250 PCI_VENDOR_ID_QLOGIC,
251 0x20c,
252 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
256 0x20f,
257 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 0x103c, 0x3733,
261 "NC523SFP 10Gb 2-port Server Adapter" },
262 { PCI_VENDOR_ID_QLOGIC,
263 PCI_DEVICE_ID_QLOGIC_QLE824X,
264 0x103c, 0x3346,
265 "CN1000Q Dual Port Converged Network Adapter" },
266 { PCI_VENDOR_ID_QLOGIC,
267 PCI_DEVICE_ID_QLOGIC_QLE824X,
268 PCI_VENDOR_ID_QLOGIC,
269 0x210,
270 "QME8242-k 10GbE Dual Port Mezzanine Card" },
271 { PCI_VENDOR_ID_QLOGIC,
272 PCI_DEVICE_ID_QLOGIC_QLE824X,
273 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
22999798
SC		 274};
275
276#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
277
af19b491
AKS		 278static const
279struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
280
c70001a9 281int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 282{
283 int size = sizeof(struct qlcnic_host_sds_ring) * count;
284
285 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
286
807540ba 287 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 288}
289
c70001a9 290void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491 291{
7061b2bd 292 kfree(recv_ctx->sds_rings);
af19b491
AKS		 293 recv_ctx->sds_rings = NULL;
294}
295
f8468331 296int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 297{
af19b491
AKS		 298 struct net_device *netdev = adapter->netdev;
299 struct pci_dev *pdev = adapter->pdev;
07a251c8
SS		 300 u8 mac_addr[ETH_ALEN];
301 int ret;
af19b491 302
07a251c8
SS		 303 ret = qlcnic_get_mac_address(adapter, mac_addr,
304 adapter->ahw->pci_func);
305 if (ret)
306 return ret;
af19b491 307
2e9d722d 308 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 309 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
310
311 /* set station address */
312
aaeb6cdf 313 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 314 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
315 netdev->dev_addr);
316
317 return 0;
318}
319
cffe52f3
MC		 320static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
321{
154d0c81 322 struct qlcnic_mac_vlan_list *cur;
cffe52f3
MC		 323 struct list_head *head;
324
325 list_for_each(head, &adapter->mac_list) {
154d0c81 326 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
6878f79a 327 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
cffe52f3
MC		 328 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
329 0, QLCNIC_MAC_DEL);
330 list_del(&cur->list);
331 kfree(cur);
332 return;
333 }
334 }
335}
336
af19b491
AKS		 337static int qlcnic_set_mac(struct net_device *netdev, void *p)
338{
339 struct qlcnic_adapter *adapter = netdev_priv(netdev);
340 struct sockaddr *addr = p;
341
7cb03b23
RB		 342 if (qlcnic_sriov_vf_check(adapter))
343 return -EINVAL;
344
7373373d
RB		 345 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
346 return -EOPNOTSUPP;
347
af19b491 348 if (!is_valid_ether_addr(addr->sa_data))
13159183 349 return -EINVAL;
af19b491 350
e824de8a
JW		 351 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) &&
352 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data))
cffe52f3
MC		 353 return 0;
354
8a15ad1f 355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 356 netif_device_detach(netdev);
357 qlcnic_napi_disable(adapter);
358 }
359
cffe52f3 360 qlcnic_delete_adapter_mac(adapter);
af19b491
AKS		 361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
363 qlcnic_set_multi(adapter->netdev);
364
8a15ad1f 365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 366 netif_device_attach(netdev);
367 qlcnic_napi_enable(adapter);
368 }
369 return 0;
370}
371
1690be63 372static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
f6f6424b
JP		 373 struct net_device *netdev,
374 const unsigned char *addr, u16 vid)
fe1adc6b
JK		 375{
376 struct qlcnic_adapter *adapter = netdev_priv(netdev);
377 int err = -EOPNOTSUPP;
378
3e5c112f 379 if (!adapter->fdb_mac_learn)
f6f6424b 380 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
fe1adc6b 381
d747c333
RB		 382 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
383 qlcnic_sriov_check(adapter)) {
52e493d0
JK		 384 if (is_unicast_ether_addr(addr)) {
385 err = dev_uc_del(netdev, addr);
386 if (!err)
387 err = qlcnic_nic_del_mac(adapter, addr);
388 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 389 err = dev_mc_del(netdev, addr);
52e493d0 390 } else {
fe1adc6b 391 err = -EINVAL;
52e493d0 392 }
fe1adc6b
JK		 393 }
394 return err;
395}
396
397static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
398 struct net_device *netdev,
87b0984e
PM		 399 const unsigned char *addr, u16 vid, u16 flags,
400 struct netlink_ext_ack *extack)
fe1adc6b
JK		 401{
402 struct qlcnic_adapter *adapter = netdev_priv(netdev);
403 int err = 0;
404
3e5c112f 405 if (!adapter->fdb_mac_learn)
f6f6424b 406 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
fe1adc6b 407
d747c333
RB		 408 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
409 !qlcnic_sriov_check(adapter)) {
fe1adc6b
JK		 410 pr_info("%s: FDB e-switch is not enabled\n", __func__);
411 return -EOPNOTSUPP;
412 }
413
414 if (ether_addr_equal(addr, adapter->mac_addr))
415 return err;
416
52e493d0
JK		 417 if (is_unicast_ether_addr(addr)) {
418 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
419 err = dev_uc_add_excl(netdev, addr);
420 else
421 err = -ENOMEM;
422 } else if (is_multicast_ether_addr(addr)) {
fe1adc6b 423 err = dev_mc_add_excl(netdev, addr);
52e493d0 424 } else {
fe1adc6b 425 err = -EINVAL;
52e493d0 426 }
fe1adc6b
JK		 427
428 return err;
429}
430
431static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
5d5eacb3 432 struct net_device *netdev,
d297653d 433 struct net_device *filter_dev, int *idx)
fe1adc6b
JK		 434{
435 struct qlcnic_adapter *adapter = netdev_priv(netdev);
d297653d 436 int err = 0;
fe1adc6b 437
3e5c112f 438 if (!adapter->fdb_mac_learn)
5d5eacb3 439 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
fe1adc6b 440
d747c333
RB		 441 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
442 qlcnic_sriov_check(adapter))
d297653d 443 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
fe1adc6b 444
d297653d 445 return err;
fe1adc6b
JK		 446}
447
7e2cf4fe
SC		 448static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
449{
450 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
451 usleep_range(10000, 11000);
452
66451615
SC		 453 if (!adapter->fw_work.work.func)
454 return;
455
7e2cf4fe
SC		 456 cancel_delayed_work_sync(&adapter->fw_work);
457}
458
07a251c8 459static int qlcnic_get_phys_port_id(struct net_device *netdev,
02637fce 460 struct netdev_phys_item_id *ppid)
07a251c8
SS		 461{
462 struct qlcnic_adapter *adapter = netdev_priv(netdev);
463 struct qlcnic_hardware_context *ahw = adapter->ahw;
464
465 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
466 return -EOPNOTSUPP;
467
468 ppid->id_len = sizeof(ahw->phys_port_id);
469 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
470
471 return 0;
472}
473
2b3d7b75 474static void qlcnic_add_vxlan_port(struct net_device *netdev,
5e44f8e2 475 struct udp_tunnel_info *ti)
2b3d7b75
SS		 476{
477 struct qlcnic_adapter *adapter = netdev_priv(netdev);
478 struct qlcnic_hardware_context *ahw = adapter->ahw;
479
5e44f8e2
AD		 480 if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
481 return;
482
2b3d7b75
SS		 483 /* Adapter supports only one VXLAN port. Use very first port
484 * for enabling offload
485 */
378fddc2 486 if (!qlcnic_encap_rx_offload(adapter))
2b3d7b75 487 return;
378fddc2
JB		 488 if (!ahw->vxlan_port_count) {
489 ahw->vxlan_port_count = 1;
5e44f8e2 490 ahw->vxlan_port = ntohs(ti->port);
378fddc2
JB		 491 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
492 return;
493 }
5e44f8e2 494 if (ahw->vxlan_port == ntohs(ti->port))
378fddc2 495 ahw->vxlan_port_count++;
2b3d7b75 496
2b3d7b75
SS		 497}
498
499static void qlcnic_del_vxlan_port(struct net_device *netdev,
5e44f8e2 500 struct udp_tunnel_info *ti)
2b3d7b75
SS		 501{
502 struct qlcnic_adapter *adapter = netdev_priv(netdev);
503 struct qlcnic_hardware_context *ahw = adapter->ahw;
504
5e44f8e2
AD		 505 if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
506 return;
507
378fddc2 508 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
5e44f8e2 509 (ahw->vxlan_port != ntohs(ti->port)))
2b3d7b75
SS		 510 return;
511
378fddc2
JB		 512 ahw->vxlan_port_count--;
513 if (!ahw->vxlan_port_count)
514 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
2b3d7b75 515}
795a05c1 516
5f35227e
JG		 517static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
518 struct net_device *dev,
519 netdev_features_t features)
795a05c1 520{
8cb65d00 521 features = vlan_features_check(skb, features);
5f35227e 522 return vxlan_features_check(skb, features);
795a05c1 523}
2b3d7b75 524
af19b491
AKS		 525static const struct net_device_ops qlcnic_netdev_ops = {
526 .ndo_open = qlcnic_open,
527 .ndo_stop = qlcnic_close,
528 .ndo_start_xmit = qlcnic_xmit_frame,
529 .ndo_get_stats = qlcnic_get_stats,
530 .ndo_validate_addr = eth_validate_addr,
afc4b13d 531 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 532 .ndo_set_mac_address = qlcnic_set_mac,
533 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 534 .ndo_fix_features = qlcnic_fix_features,
535 .ndo_set_features = qlcnic_set_features,
af19b491 536 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 537 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
538 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 539 .ndo_fdb_add = qlcnic_fdb_add,
540 .ndo_fdb_del = qlcnic_fdb_del,
541 .ndo_fdb_dump = qlcnic_fdb_dump,
07a251c8 542 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
5e44f8e2
AD		 543 .ndo_udp_tunnel_add = qlcnic_add_vxlan_port,
544 .ndo_udp_tunnel_del = qlcnic_del_vxlan_port,
5f35227e 545 .ndo_features_check = qlcnic_features_check,
4000e7a7
RB		 546#ifdef CONFIG_QLCNIC_SRIOV
547 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
ed616689 548 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
4000e7a7 549 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 550 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
a80be5a5 551 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
4000e7a7 552#endif
af19b491
AKS		 553};
554
b43e5ee7
SC		 555static const struct net_device_ops qlcnic_netdev_failed_ops = {
556 .ndo_open = qlcnic_open,
557};
558
2e9d722d 559static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 560 .config_bridged_mode = qlcnic_config_bridged_mode,
561 .config_led = qlcnic_82xx_config_led,
562 .start_firmware = qlcnic_82xx_start_firmware,
563 .request_reset = qlcnic_82xx_dev_request_reset,
564 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
565 .napi_add = qlcnic_82xx_napi_add,
4be41e92 566 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe 567 .config_ipaddr = qlcnic_82xx_config_ipaddr,
486a5bc7
RB		 568 .shutdown = qlcnic_82xx_shutdown,
569 .resume = qlcnic_82xx_resume,
7e2cf4fe
SC		 570 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
571};
572
573struct qlcnic_nic_template qlcnic_vf_ops = {
574 .config_bridged_mode = qlcnicvf_config_bridged_mode,
575 .config_led = qlcnicvf_config_led,
576 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 577};
578
7e2cf4fe
SC		 579static struct qlcnic_hardware_ops qlcnic_hw_ops = {
580 .read_crb = qlcnic_82xx_read_crb,
581 .write_crb = qlcnic_82xx_write_crb,
582 .read_reg = qlcnic_82xx_hw_read_wx_2M,
583 .write_reg = qlcnic_82xx_hw_write_wx_2M,
584 .get_mac_address = qlcnic_82xx_get_mac_address,
585 .setup_intr = qlcnic_82xx_setup_intr,
586 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
587 .mbx_cmd = qlcnic_82xx_issue_cmd,
588 .get_func_no = qlcnic_82xx_get_func_no,
589 .api_lock = qlcnic_82xx_api_lock,
590 .api_unlock = qlcnic_82xx_api_unlock,
591 .add_sysfs = qlcnic_82xx_add_sysfs,
592 .remove_sysfs = qlcnic_82xx_remove_sysfs,
593 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
594 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
595 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 596 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
597 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 598 .setup_link_event = qlcnic_82xx_linkevent_request,
599 .get_nic_info = qlcnic_82xx_get_nic_info,
600 .get_pci_info = qlcnic_82xx_get_pci_info,
601 .set_nic_info = qlcnic_82xx_set_nic_info,
602 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
603 .napi_enable = qlcnic_82xx_napi_enable,
604 .napi_disable = qlcnic_82xx_napi_disable,
605 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
606 .config_rss = qlcnic_82xx_config_rss,
607 .config_hw_lro = qlcnic_82xx_config_hw_lro,
608 .config_loopback = qlcnic_82xx_set_lb_mode,
609 .clear_loopback = qlcnic_82xx_clear_lb_mode,
610 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
611 .change_l2_filter = qlcnic_82xx_change_filter,
612 .get_board_info = qlcnic_82xx_get_board_info,
52e493d0 613 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
91b7282b 614 .free_mac_list = qlcnic_82xx_free_mac_list,
07a251c8 615 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
4460f2e8
PP		 616 .io_error_detected = qlcnic_82xx_io_error_detected,
617 .io_slot_reset = qlcnic_82xx_io_slot_reset,
618 .io_resume = qlcnic_82xx_io_resume,
a0431589 619 .get_beacon_state = qlcnic_82xx_get_beacon_state,
2cc5752e
M		 620 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
621 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
622 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
623 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
225837a0
SS		 624 .get_saved_state = qlcnic_82xx_get_saved_state,
625 .set_saved_state = qlcnic_82xx_set_saved_state,
626 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
627 .get_cap_size = qlcnic_82xx_get_cap_size,
628 .set_sys_info = qlcnic_82xx_set_sys_info,
629 .store_cap_mask = qlcnic_82xx_store_cap_mask,
4bd7ef0b
CM		 630 .encap_rx_offload = qlcnic_82xx_encap_rx_offload,
631 .encap_tx_offload = qlcnic_82xx_encap_tx_offload,
2e9d722d
AC		 632};
633
34e8c406 634static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
012ec812
HM		 635{
636 struct qlcnic_hardware_context *ahw = adapter->ahw;
012ec812 637
34e8c406 638 if (qlcnic_82xx_check(adapter) &&
012ec812 639 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
34e8c406
HM		 640 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
641 return 0;
012ec812 642 } else {
34e8c406 643 return 1;
012ec812
HM		 644 }
645}
646
34e8c406
HM		 647static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
648 int queue_type)
649{
650 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
651
652 if (queue_type == QLCNIC_RX_QUEUE)
653 max_rings = adapter->max_sds_rings;
654 else if (queue_type == QLCNIC_TX_QUEUE)
655 max_rings = adapter->max_tx_rings;
656
657 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
658 max_rings));
659
660 if (ring_cnt > num_rings)
661 return num_rings;
662 else
663 return ring_cnt;
664}
665
666void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
667{
668 /* 83xx adapter does not have max_tx_rings intialized in probe */
669 if (adapter->max_tx_rings)
670 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
671 QLCNIC_TX_QUEUE);
672 else
673 adapter->drv_tx_rings = tx_cnt;
34e8c406
HM		 674}
675
676void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
677{
678 /* 83xx adapter does not have max_sds_rings intialized in probe */
679 if (adapter->max_sds_rings)
680 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
681 QLCNIC_RX_QUEUE);
682 else
683 adapter->drv_sds_rings = rx_cnt;
34e8c406
HM		 684}
685
cb9327d5 686int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
af19b491 687{
af19b491 688 struct pci_dev *pdev = adapter->pdev;
cb9327d5
HM		 689 int num_msix = 0, err = 0, vector;
690
691 adapter->flags &= ~QLCNIC_TSS_RSS;
692
693 if (adapter->drv_tss_rings > 0)
694 num_msix += adapter->drv_tss_rings;
695 else
696 num_msix += adapter->drv_tx_rings;
697
8564ae09 698 if (adapter->drv_rss_rings > 0)
cb9327d5
HM		 699 num_msix += adapter->drv_rss_rings;
700 else
701 num_msix += adapter->drv_sds_rings;
702
703 if (qlcnic_83xx_check(adapter))
704 num_msix += 1;
705
706 if (!adapter->msix_entries) {
707 adapter->msix_entries = kcalloc(num_msix,
708 sizeof(struct msix_entry),
709 GFP_KERNEL);
710 if (!adapter->msix_entries)
711 return -ENOMEM;
712 }
713
cb9327d5
HM		 714 for (vector = 0; vector < num_msix; vector++)
715 adapter->msix_entries[vector].entry = vector;
716
8564ae09 717restore:
f7167750
AG		 718 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
719 if (err == -ENOSPC) {
8564ae09 720 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
f7167750 721 return err;
da6c8063 722
cb9327d5
HM		 723 netdev_info(adapter->netdev,
724 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
725 num_msix, err);
726
727 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
728
729 /* Set rings to 0 so we can restore original TSS/RSS count */
730 adapter->drv_tss_rings = 0;
731 adapter->drv_rss_rings = 0;
732
733 if (qlcnic_83xx_check(adapter))
734 num_msix += 1;
735
736 netdev_info(adapter->netdev,
737 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
738 adapter->drv_tx_rings, adapter->drv_sds_rings,
739 num_msix);
cb9327d5 740
8564ae09
AG		 741 goto restore;
742 } else if (err < 0) {
743 return err;
da6c8063 744 }
13159183 745
8564ae09
AG		 746 adapter->ahw->num_msix = num_msix;
747 if (adapter->drv_tss_rings > 0)
748 adapter->drv_tx_rings = adapter->drv_tss_rings;
749
750 if (adapter->drv_rss_rings > 0)
751 adapter->drv_sds_rings = adapter->drv_rss_rings;
752
753 return 0;
cb9327d5
HM		 754}
755
756int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
757{
758 struct pci_dev *pdev = adapter->pdev;
74a1fa45 759 int err, vector;
cb9327d5 760
13159183
SC		 761 if (!adapter->msix_entries) {
762 adapter->msix_entries = kcalloc(num_msix,
763 sizeof(struct msix_entry),
764 GFP_KERNEL);
b2adaca9 765 if (!adapter->msix_entries)
13159183 766 return -ENOMEM;
13159183 767 }
af19b491 768
af19b491 769 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 770
79788450 771 if (adapter->ahw->msix_supported) {
cb9327d5
HM		 772enable_msix:
773 for (vector = 0; vector < num_msix; vector++)
774 adapter->msix_entries[vector].entry = vector;
775
9732ec06
AG		 776 err = pci_enable_msix_range(pdev,
777 adapter->msix_entries, 1, num_msix);
778
779 if (err == num_msix) {
af19b491 780 adapter->flags |= QLCNIC_MSIX_ENABLED;
cb9327d5 781 adapter->ahw->num_msix = num_msix;
af19b491 782 dev_info(&pdev->dev, "using msi-x interrupts\n");
74a1fa45 783 return 0;
13159183 784 } else if (err > 0) {
9732ec06
AG		 785 pci_disable_msix(pdev);
786
13159183 787 dev_info(&pdev->dev,
cb9327d5
HM		 788 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
789 num_msix, err);
790
791 if (qlcnic_82xx_check(adapter)) {
13159183 792 num_msix = rounddown_pow_of_two(err);
cb9327d5 793 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
74a1fa45 794 return -ENOSPC;
13159183 795 } else {
cb9327d5
HM		 796 num_msix = rounddown_pow_of_two(err - 1);
797 num_msix += 1;
798 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
74a1fa45 799 return -ENOSPC;
cb9327d5
HM		 800 }
801
802 if (qlcnic_82xx_check(adapter) &&
803 !qlcnic_check_multi_tx(adapter)) {
804 adapter->drv_sds_rings = num_msix;
805 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
806 } else {
807 /* Distribute vectors equally */
808 adapter->drv_tx_rings = num_msix / 2;
809 adapter->drv_sds_rings = adapter->drv_tx_rings;
13159183
SC		 810 }
811
812 if (num_msix) {
813 dev_info(&pdev->dev,
dce056cb 814 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 815 num_msix);
f94bc1e7 816 goto enable_msix;
13159183
SC		 817 }
818 } else {
dce056cb 819 dev_info(&pdev->dev,
cb9327d5
HM		 820 "Unable to allocate %d MSI-X vectors, err=%d\n",
821 num_msix, err);
822 return err;
f94bc1e7
SC		 823 }
824 }
13159183 825
74a1fa45 826 return -EIO;
f94bc1e7 827}
af19b491 828
cb9327d5
HM		 829static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
830{
831 int num_msix;
832
833 num_msix = adapter->drv_sds_rings;
834
835 if (qlcnic_check_multi_tx(adapter))
836 num_msix += adapter->drv_tx_rings;
837 else
838 num_msix += QLCNIC_SINGLE_RING;
839
840 return num_msix;
841}
842
9a97e705 843static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 844{
9a97e705 845 int err = 0;
15087c2b 846 u32 offset, mask_reg;
f94bc1e7 847 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 848 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 849 struct pci_dev *pdev = adapter->pdev;
af19b491 850
099f7aa7 851 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 852 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 853 offset = msi_tgt_status[adapter->ahw->pci_func];
854 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
855 offset);
af19b491
AKS		 856 dev_info(&pdev->dev, "using msi interrupts\n");
857 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 858 return err;
af19b491 859 }
012ec812 860
9a97e705
M		 861 if (qlcnic_use_msi || qlcnic_use_msi_x)
862 return -EOPNOTSUPP;
af19b491 863
f94bc1e7 864 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 865 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 866 offset = legacy_intrp->tgt_status_reg;
867 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
868 mask_reg = legacy_intrp->tgt_mask_reg;
869 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
870 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
871 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 872 dev_info(&pdev->dev, "using legacy interrupts\n");
873 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 874 return err;
af19b491
AKS		 875}
876
21041400 877static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
f94bc1e7 878{
9a97e705 879 int num_msix, err = 0;
f94bc1e7 880
cb9327d5
HM		 881 if (adapter->flags & QLCNIC_TSS_RSS) {
882 err = qlcnic_setup_tss_rss_intr(adapter);
883 if (err < 0)
884 return err;
885 num_msix = adapter->ahw->num_msix;
886 } else {
887 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
f94bc1e7 888
cb9327d5
HM		 889 err = qlcnic_enable_msix(adapter, num_msix);
890 if (err == -ENOMEM)
891 return err;
f94bc1e7 892
cb9327d5
HM		 893 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
894 qlcnic_disable_multi_tx(adapter);
42beb3f2 895 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
012ec812 896
cb9327d5 897 err = qlcnic_enable_msi_legacy(adapter);
fc49beae 898 if (err)
cb9327d5
HM		 899 return err;
900 }
012ec812
HM		 901 }
902
903 return 0;
904}
905
906int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
907{
908 struct qlcnic_hardware_context *ahw = adapter->ahw;
909 int err, i;
910
911 if (qlcnic_check_multi_tx(adapter) &&
c2c5e3a0 912 !ahw->diag_test &&
012ec812 913 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
fad953ce
KC		 914 ahw->intr_tbl =
915 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config),
916 ahw->num_msix));
012ec812
HM		 917 if (!ahw->intr_tbl)
918 return -ENOMEM;
919
920 for (i = 0; i < ahw->num_msix; i++) {
921 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
922 ahw->intr_tbl[i].id = i;
923 ahw->intr_tbl[i].src = 0;
924 }
925
926 err = qlcnic_82xx_config_intrpt(adapter, 1);
927 if (err)
928 dev_err(&adapter->pdev->dev,
929 "Failed to configure Interrupt for %d vector\n",
930 ahw->num_msix);
9a97e705 931 return err;
012ec812 932 }
9a97e705 933
012ec812 934 return 0;
f94bc1e7 935}
13159183 936
319ecf12 937void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 938{
939 if (adapter->flags & QLCNIC_MSIX_ENABLED)
940 pci_disable_msix(adapter->pdev);
941 if (adapter->flags & QLCNIC_MSI_ENABLED)
942 pci_disable_msi(adapter->pdev);
13159183
SC		 943
944 kfree(adapter->msix_entries);
945 adapter->msix_entries = NULL;
946
947 if (adapter->ahw->intr_tbl) {
948 vfree(adapter->ahw->intr_tbl);
949 adapter->ahw->intr_tbl = NULL;
950 }
af19b491
AKS		 951}
952
f1a094a8 953static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 954{
f1a094a8
RB		 955 if (ahw->pci_base0 != NULL)
956 iounmap(ahw->pci_base0);
af19b491
AKS		 957}
958
7e2cf4fe
SC		 959static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
960{
2f514c52 961 struct qlcnic_hardware_context *ahw = adapter->ahw;
7e2cf4fe
SC		 962 struct qlcnic_pci_info *pci_info;
963 int ret;
964
965 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
2f514c52 966 switch (ahw->port_type) {
7e2cf4fe 967 case QLCNIC_GBE:
2f514c52 968 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
7e2cf4fe
SC		 969 break;
970 case QLCNIC_XGBE:
2f514c52 971 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
7e2cf4fe
SC		 972 break;
973 }
974 return 0;
975 }
976
2f514c52 977 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
7e2cf4fe
SC		 978 return 0;
979
2f514c52 980 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
7e2cf4fe
SC		 981 if (!pci_info)
982 return -ENOMEM;
983
984 ret = qlcnic_get_pci_info(adapter, pci_info);
985 kfree(pci_info);
986 return ret;
987}
d71170fb 988
35dafcb0
SC		 989static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
990{
991 bool ret = false;
992
993 if (qlcnic_84xx_check(adapter)) {
994 ret = true;
995 } else if (qlcnic_83xx_check(adapter)) {
996 if (adapter->ahw->extra_capability[0] &
997 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
998 ret = true;
999 else
1000 ret = false;
1001 }
1002
1003 return ret;
1004}
1005
d71170fb 1006int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 1007{
2f514c52 1008 struct qlcnic_hardware_context *ahw = adapter->ahw;
e88db3bd 1009 struct qlcnic_pci_info *pci_info;
4c776aad 1010 int i, id = 0, ret = 0, j = 0;
bff57d8e 1011 u16 act_pci_func;
346fe763
RB		 1012 u8 pfn;
1013
2f514c52 1014 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
e88db3bd
DC		 1015 if (!pci_info)
1016 return -ENOMEM;
1017
bff57d8e
SC		 1018 ret = qlcnic_get_pci_info(adapter, pci_info);
1019 if (ret)
1020 goto err_pci_info;
1021
2f514c52 1022 act_pci_func = ahw->total_nic_func;
bff57d8e 1023
6396bb22
KC		 1024 adapter->npars = kcalloc(act_pci_func,
1025 sizeof(struct qlcnic_npar_info),
1026 GFP_KERNEL);
e88db3bd 1027 if (!adapter->npars) {
900853a4 1028 ret = -ENOMEM;
e88db3bd
DC		 1029 goto err_pci_info;
1030 }
346fe763 1031
6396bb22
KC		 1032 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS,
1033 sizeof(struct qlcnic_eswitch),
1034 GFP_KERNEL);
346fe763 1035 if (!adapter->eswitch) {
900853a4 1036 ret = -ENOMEM;
ca315ac2 1037 goto err_npars;
346fe763
RB		 1038 }
1039
2f514c52 1040 for (i = 0; i < ahw->max_vnic_func; i++) {
ca315ac2 1041 pfn = pci_info[i].id;
bff57d8e 1042
2f514c52 1043 if (pfn >= ahw->max_vnic_func) {
d7a32b6e 1044 ret = -EINVAL;
c65762fc
SC		 1045 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1046 __func__, pfn, ahw->max_vnic_func);
f848d6dd
SC		 1047 goto err_eswitch;
1048 }
bff57d8e
SC		 1049
1050 if (!pci_info[i].active ||
1051 (pci_info[i].type != QLCNIC_TYPE_NIC))
1052 continue;
1053
35dafcb0 1054 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
4c776aad
SC		 1055 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1056 &id))
35dafcb0
SC		 1057 adapter->npars[j].eswitch_status = true;
1058 else
1059 continue;
1060 } else {
1061 adapter->npars[j].eswitch_status = true;
1062 }
1063
bff57d8e
SC		 1064 adapter->npars[j].pci_func = pfn;
1065 adapter->npars[j].active = (u8)pci_info[i].active;
1066 adapter->npars[j].type = (u8)pci_info[i].type;
1067 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1068 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1069 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
35dafcb0 1070
9e630955 1071 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
bff57d8e 1072 j++;
346fe763
RB		 1073 }
1074
4c776aad
SC		 1075 /* Update eSwitch status for adapters without per port eSwitch
1076 * configuration capability
1077 */
1078 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
35dafcb0
SC		 1079 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1080 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183 1081 }
ca315ac2 1082
e88db3bd 1083 kfree(pci_info);
ca315ac2
DC		 1084 return 0;
1085
1086err_eswitch:
346fe763
RB		 1087 kfree(adapter->eswitch);
1088 adapter->eswitch = NULL;
ca315ac2 1089err_npars:
346fe763 1090 kfree(adapter->npars);
ca315ac2 1091 adapter->npars = NULL;
e88db3bd
DC		 1092err_pci_info:
1093 kfree(pci_info);
346fe763
RB		 1094
1095 return ret;
1096}
1097
2e9d722d
AC		 1098static int
1099qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1100{
1101 u8 id;
7e8fd003 1102 int ret;
2e9d722d 1103 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 1104 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 1105
2e9d722d
AC		 1106 ret = qlcnic_api_lock(adapter);
1107 if (ret)
1108 goto err_lock;
2e9d722d 1109
7e8fd003
SS		 1110 id = ahw->pci_func;
1111 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1112 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1113 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
a15ebd37 1114 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 1115 qlcnic_api_unlock(adapter);
1116err_lock:
1117 return ret;
1118}
1119
13159183
SC		 1120static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1121 const struct pci_device_id *ent)
2e9d722d 1122{
2e9d722d
AC		 1123 u32 op_mode, priv_level;
1124
1125 /* Determine FW API version */
13159183
SC		 1126 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1127 QLCNIC_FW_API);
2e9d722d
AC		 1128
1129 /* Find PCI function number */
13159183 1130 qlcnic_get_func_no(adapter);
2e9d722d
AC		 1131
1132 /* Determine function privilege level */
13159183 1133 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 1134 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 1135 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 1136 else
b1fc6d3c 1137 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 1138
0866d96d 1139 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 1140 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 1141 dev_info(&adapter->pdev->dev,
1142 "HAL Version: %d Non Privileged function\n",
79788450 1143 adapter->ahw->fw_hal_version);
9f26f547 1144 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 1145 } else
1146 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 1147}
1148
15087c2b 1149#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 1150#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 1151static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1152{
1153 switch (dev_id) {
1154 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1155 *bar = QLCNIC_82XX_BAR0_LENGTH;
1156 break;
13159183 1157 case PCI_DEVICE_ID_QLOGIC_QLE834X:
40e2b8ed 1158 case PCI_DEVICE_ID_QLOGIC_QLE8830:
15ca140f 1159 case PCI_DEVICE_ID_QLOGIC_QLE844X:
f8468331 1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
15ca140f 1161 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
da286a6f 1162 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
13159183
SC		 1163 *bar = QLCNIC_83XX_BAR0_LENGTH;
1164 break;
15087c2b
SC		 1165 default:
1166 *bar = 0;
1167 }
1168}
1169
1170static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1171 struct qlcnic_hardware_context *ahw)
af19b491 1172{
15087c2b 1173 u32 offset;
af19b491 1174 void __iomem *mem_ptr0 = NULL;
15087c2b 1175 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 1176
af19b491 1177 /* remap phys address */
af19b491
AKS		 1178 mem_len = pci_resource_len(pdev, 0);
1179
15087c2b
SC		 1180 qlcnic_get_bar_length(pdev->device, &bar0_len);
1181 if (mem_len >= bar0_len) {
af19b491
AKS		 1182
1183 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1184 if (mem_ptr0 == NULL) {
1185 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1186 return -EIO;
1187 }
1188 pci_len0 = mem_len;
1189 } else {
1190 return -EIO;
1191 }
1192
f8468331 1193 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 1194
15087c2b
SC		 1195 ahw->pci_base0 = mem_ptr0;
1196 ahw->pci_len0 = pci_len0;
1197 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1198 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 1199
1200 return 0;
1201}
1202
60dcbcb0
MC		 1203static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1204 int index)
2343f06a
MC		 1205{
1206 struct pci_dev *pdev = adapter->pdev;
1207 unsigned short subsystem_vendor;
1208 bool ret = true;
1209
1210 subsystem_vendor = pdev->subsystem_vendor;
1211
1212 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1213 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1214 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1215 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1216 ret = true;
1217 else
1218 ret = false;
1219 }
1220
1221 return ret;
1222}
1223
22999798 1224static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 1225{
1226 struct pci_dev *pdev = adapter->pdev;
1227 int i, found = 0;
1228
1229 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1230 if (qlcnic_boards[i].vendor == pdev->vendor &&
2343f06a
MC		 1231 qlcnic_boards[i].device == pdev->device &&
1232 qlcnic_validate_subsystem_id(adapter, i)) {
1233 found = 1;
1234 break;
af19b491 1235 }
af19b491
AKS		 1236 }
1237
1238 if (!found)
7f9a0c34 1239 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
2343f06a
MC		 1240 else
1241 sprintf(name, "%pM: %s" , adapter->mac_addr,
1242 qlcnic_boards[i].short_name);
af19b491
AKS		 1243}
1244
1245static void
1246qlcnic_check_options(struct qlcnic_adapter *adapter)
1247{
a15ebd37 1248 int err;
031a4a26 1249 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 1250 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 1251 struct qlcnic_hardware_context *ahw = adapter->ahw;
1252 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 1253
1254 prev_fw_version = adapter->fw_version;
af19b491 1255
a15ebd37
HM		 1256 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1257 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1258 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 1259
1260 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1261
a15ebd37
HM		 1262 err = qlcnic_get_board_info(adapter);
1263 if (err) {
1264 dev_err(&pdev->dev, "Error getting board config info.\n");
1265 return;
1266 }
1267 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 1268 if (fw_dump->tmpl_hdr == NULL ||
1269 adapter->fw_version > prev_fw_version) {
7061b2bd 1270 vfree(fw_dump->tmpl_hdr);
031a4a26
SV		 1271 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1272 dev_info(&pdev->dev,
1273 "Supports FW dump capability\n");
1274 }
1275 }
1276
13159183
SC		 1277 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1278 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1279
b1fc6d3c 1280 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 1281 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1282 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1283 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1284 } else {
1285 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1286 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1287 }
1288
af19b491 1289 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 1290 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1291
b1fc6d3c 1292 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 1293 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1294 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 1295 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1296 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 1297 }
1298
099f7aa7 1299 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 1300
1301 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1302
251b036a 1303 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 1304}
1305
174240a8
RB		 1306static int
1307qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1308{
174240a8 1309 struct qlcnic_info nic_info;
4bd8e738 1310 int err = 0;
174240a8 1311
bff57d8e 1312 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 1313 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 1314 if (err)
1315 return err;
1316
79788450
SC		 1317 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1318 adapter->ahw->switch_mode = nic_info.switch_mode;
1319 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1320 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1321 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 1322
1323 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1324 u32 temp;
4bd8e738
HM		 1325 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1326 if (err == -EIO)
1327 return err;
db131786 1328 adapter->ahw->extra_capability[0] = temp;
d6994ca7
SS		 1329 } else {
1330 adapter->ahw->extra_capability[0] = 0;
776e7bde 1331 }
d6994ca7 1332
79788450
SC		 1333 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1334 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 1335
34e8c406 1336 if (adapter->ahw->capabilities & BIT_6) {
174240a8 1337 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
34e8c406
HM		 1338 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1339 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1340 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1341
1342 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1343 } else {
1344 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1345 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
f9566265 1346 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
174240a8 1347 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
34e8c406 1348 }
174240a8
RB		 1349
1350 return err;
1351}
1352
ec079a07
SC		 1353void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1354 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 1355{
1356 if (esw_cfg->discard_tagged)
1357 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1358 else
1359 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1360
91b7282b
RB		 1361 if (esw_cfg->vlan_id) {
1362 adapter->rx_pvid = esw_cfg->vlan_id;
1363 adapter->tx_pvid = esw_cfg->vlan_id;
1364 } else {
1365 adapter->rx_pvid = 0;
1366 adapter->tx_pvid = 0;
1367 }
8cf61f89
AKS		 1368}
1369
8e586137 1370static int
80d5c368 1371qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1372{
1373 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1374 int err;
1375
1376 if (qlcnic_sriov_vf_check(adapter)) {
1377 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1378 if (err) {
1379 netdev_err(netdev,
1380 "Cannot add VLAN filter for VLAN id %d, err=%d",
1381 vid, err);
1382 return err;
1383 }
1384 }
1385
b9796a14 1386 set_bit(vid, adapter->vlans);
8e586137 1387 return 0;
b9796a14
AC		 1388}
1389
8e586137 1390static int
80d5c368 1391qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 1392{
1393 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 1394 int err;
1395
1396 if (qlcnic_sriov_vf_check(adapter)) {
1397 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1398 if (err) {
1399 netdev_err(netdev,
1400 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1401 vid, err);
1402 return err;
1403 }
1404 }
b9796a14
AC		 1405
1406 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1407 clear_bit(vid, adapter->vlans);
8e586137 1408 return 0;
b9796a14
AC		 1409}
1410
ec079a07
SC		 1411void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1412 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 1413{
ee07c1a7
RB		 1414 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1415 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 1416
1417 if (esw_cfg->mac_anti_spoof)
1418 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 1419
7373373d
RB		 1420 if (!esw_cfg->mac_override)
1421 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1422
ee07c1a7
RB		 1423 if (!esw_cfg->promisc_mode)
1424 adapter->flags |= QLCNIC_PROMISC_DISABLED;
0325d69b
RB		 1425}
1426
d71170fb 1427int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 1428{
1429 struct qlcnic_esw_func_cfg esw_cfg;
1430
1431 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1432 return 0;
1433
b1fc6d3c 1434 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 1435 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1436 return -EIO;
8cf61f89 1437 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b 1438 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
147a9088 1439 qlcnic_set_netdev_features(adapter, &esw_cfg);
0325d69b
RB		 1440
1441 return 0;
1442}
1443
147a9088
SS		 1444void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1445 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b
RB		 1446{
1447 struct net_device *netdev = adapter->netdev;
13159183
SC		 1448
1449 if (qlcnic_83xx_check(adapter))
1450 return;
0325d69b 1451
147a9088
SS		 1452 adapter->offload_flags = esw_cfg->offload_flags;
1453 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1454 netdev_update_features(netdev);
1455 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
0325d69b
RB		 1456}
1457
0866d96d
AC		 1458static int
1459qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1460{
0866d96d
AC		 1461 u32 op_mode, priv_level;
1462 int err = 0;
1463
174240a8
RB		 1464 err = qlcnic_initialize_nic(adapter);
1465 if (err)
1466 return err;
1467
0866d96d
AC		 1468 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1469 return 0;
1470
13159183 1471 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1472 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1473
1474 if (op_mode == QLC_DEV_DRV_DEFAULT)
1475 priv_level = QLCNIC_MGMT_FUNC;
1476 else
b1fc6d3c 1477 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1478
174240a8 1479 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1480 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1481 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1482 err = qlcnic_init_pci_info(adapter);
1483 if (err)
1484 return err;
1485 /* Set privilege level for other functions */
1486 qlcnic_set_function_modes(adapter);
1487 dev_info(&adapter->pdev->dev,
1488 "HAL Version: %d, Management function\n",
79788450 1489 adapter->ahw->fw_hal_version);
0866d96d 1490 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1491 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1492 dev_info(&adapter->pdev->dev,
1493 "HAL Version: %d, Privileged function\n",
79788450 1494 adapter->ahw->fw_hal_version);
0866d96d 1495 }
34e8c406
HM		 1496 } else {
1497 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
174240a8 1498 }
0866d96d
AC		 1499
1500 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1501
1502 return err;
1503}
1504
d71170fb 1505int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1506{
1507 struct qlcnic_esw_func_cfg esw_cfg;
1508 struct qlcnic_npar_info *npar;
1509 u8 i;
1510
174240a8 1511 if (adapter->need_fw_reset)
0325d69b
RB		 1512 return 0;
1513
2f514c52 1514 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
35dafcb0
SC		 1515 if (!adapter->npars[i].eswitch_status)
1516 continue;
1517
0325d69b 1518 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1519 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1520 esw_cfg.mac_override = BIT_0;
ee07c1a7 1521 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1522 if (qlcnic_82xx_check(adapter)) {
1523 esw_cfg.offload_flags = BIT_0;
1524 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1525 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1526 }
0325d69b
RB		 1527 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1528 return -EIO;
1529 npar = &adapter->npars[i];
1530 npar->pvid = esw_cfg.vlan_id;
7373373d 1531 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1532 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1533 npar->discard_tagged = esw_cfg.discard_tagged;
1534 npar->promisc_mode = esw_cfg.promisc_mode;
1535 npar->offload_flags = esw_cfg.offload_flags;
1536 }
1537
1538 return 0;
1539}
1540
13159183 1541
4e8acb01
RB		 1542static int
1543qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1544 struct qlcnic_npar_info *npar, int pci_func)
1545{
1546 struct qlcnic_esw_func_cfg esw_cfg;
1547 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1548 esw_cfg.pci_func = pci_func;
1549 esw_cfg.vlan_id = npar->pvid;
7373373d 1550 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1551 esw_cfg.discard_tagged = npar->discard_tagged;
1552 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1553 esw_cfg.offload_flags = npar->offload_flags;
1554 esw_cfg.promisc_mode = npar->promisc_mode;
1555 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1556 return -EIO;
1557
1558 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1559 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1560 return -EIO;
1561
1562 return 0;
1563}
1564
d71170fb 1565int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1566{
4e8acb01 1567 int i, err;
cea8975e
AC		 1568 struct qlcnic_npar_info *npar;
1569 struct qlcnic_info nic_info;
bff57d8e 1570 u8 pci_func;
cea8975e 1571
bff57d8e
SC		 1572 if (qlcnic_82xx_check(adapter))
1573 if (!adapter->need_fw_reset)
1574 return 0;
cea8975e 1575
4e8acb01 1576 /* Set the NPAR config data after FW reset */
2f514c52 1577 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
4e8acb01 1578 npar = &adapter->npars[i];
bff57d8e 1579 pci_func = npar->pci_func;
35dafcb0
SC		 1580 if (!adapter->npars[i].eswitch_status)
1581 continue;
1582
bff57d8e 1583 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1584 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1585 if (err)
1586 return err;
1587 nic_info.min_tx_bw = npar->min_bw;
1588 nic_info.max_tx_bw = npar->max_bw;
1589 err = qlcnic_set_nic_info(adapter, &nic_info);
1590 if (err)
1591 return err;
cea8975e 1592
4e8acb01
RB		 1593 if (npar->enable_pm) {
1594 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1595 npar->dest_npar, 1,
1596 pci_func);
4e8acb01
RB		 1597 if (err)
1598 return err;
cea8975e 1599 }
bff57d8e 1600 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1601 if (err)
1602 return err;
cea8975e 1603 }
4e8acb01 1604 return 0;
cea8975e
AC		 1605}
1606
78f84e1a
AKS		 1607static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1608{
1609 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1610 u32 npar_state;
1611
79788450 1612 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1613 return 0;
1614
a15ebd37
HM		 1615 npar_state = QLC_SHARED_REG_RD32(adapter,
1616 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1617 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1618 msleep(1000);
a15ebd37
HM		 1619 npar_state = QLC_SHARED_REG_RD32(adapter,
1620 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1621 }
1622 if (!npar_opt_timeo) {
1623 dev_err(&adapter->pdev->dev,
8a168ca7 1624 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1625 return -EIO;
1626 }
1627 return 0;
1628}
1629
174240a8
RB		 1630static int
1631qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1632{
1633 int err;
1634
1635 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1636 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1637 return 0;
1638
1639 err = qlcnic_set_default_offload_settings(adapter);
1640 if (err)
1641 return err;
1642
1643 err = qlcnic_reset_npar_config(adapter);
1644 if (err)
1645 return err;
1646
1647 qlcnic_dev_set_npar_ready(adapter);
1648
1649 return err;
1650}
1651
21041400 1652static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1653{
d4066833 1654 int err;
af19b491 1655
aa5e18c0
SC		 1656 err = qlcnic_can_start_firmware(adapter);
1657 if (err < 0)
1658 return err;
1659 else if (!err)
d4066833 1660 goto check_fw_status;
af19b491 1661
099f7aa7 1662 if (qlcnic_load_fw_file)
4d5bdb38 1663 qlcnic_request_firmware(adapter);
8f891387 1664 else {
8cfdce08
SC		 1665 err = qlcnic_check_flash_fw_ver(adapter);
1666 if (err)
8f891387 1667 goto err_out;
1668
79788450 1669 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1670 }
af19b491
AKS		 1671
1672 err = qlcnic_need_fw_reset(adapter);
af19b491 1673 if (err == 0)
4e70812b 1674 goto check_fw_status;
af19b491 1675
d4066833
SC		 1676 err = qlcnic_pinit_from_rom(adapter);
1677 if (err)
1678 goto err_out;
af19b491
AKS		 1679
1680 err = qlcnic_load_firmware(adapter);
1681 if (err)
1682 goto err_out;
1683
1684 qlcnic_release_firmware(adapter);
d4066833 1685 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1686
d4066833
SC		 1687check_fw_status:
1688 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1689 if (err)
1690 goto err_out;
1691
a15ebd37 1692 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1693 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1694 err = qlcnic_check_eswitch_mode(adapter);
1695 if (err) {
1696 dev_err(&adapter->pdev->dev,
1697 "Memory allocation failed for eswitch\n");
1698 goto err_out;
1699 }
174240a8
RB		 1700 err = qlcnic_set_mgmt_operations(adapter);
1701 if (err)
1702 goto err_out;
1703
1704 qlcnic_check_options(adapter);
af19b491
AKS		 1705 adapter->need_fw_reset = 0;
1706
a7fc948f
AKS		 1707 qlcnic_release_firmware(adapter);
1708 return 0;
af19b491
AKS		 1709
1710err_out:
a15ebd37 1711 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1712 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1713
af19b491
AKS		 1714 qlcnic_release_firmware(adapter);
1715 return err;
1716}
1717
1718static int
1719qlcnic_request_irq(struct qlcnic_adapter *adapter)
1720{
1721 irq_handler_t handler;
1722 struct qlcnic_host_sds_ring *sds_ring;
13159183 1723 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1724 int err, ring, num_sds_rings;
af19b491
AKS		 1725
1726 unsigned long flags = 0;
1727 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1728 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1729
79788450 1730 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1731 if (qlcnic_82xx_check(adapter))
1732 handler = qlcnic_tmp_intr;
c2534384
MC		 1733 else
1734 handler = qlcnic_83xx_tmp_intr;
7eb9855d
AKS		 1735 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1736 flags |= IRQF_SHARED;
1737
1738 } else {
1739 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1740 handler = qlcnic_msix_intr;
1741 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1742 handler = qlcnic_msi_intr;
1743 else {
1744 flags |= IRQF_SHARED;
ac166700
HM		 1745 if (qlcnic_82xx_check(adapter))
1746 handler = qlcnic_intr;
1747 else
1748 handler = qlcnic_83xx_intr;
7eb9855d 1749 }
af19b491
AKS		 1750 }
1751 adapter->irq = netdev->irq;
1752
13159183 1753 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1754 if (qlcnic_82xx_check(adapter) ||
1755 (qlcnic_83xx_check(adapter) &&
1756 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1757 num_sds_rings = adapter->drv_sds_rings;
ddb2e174 1758 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1759 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174 1760 if (qlcnic_82xx_check(adapter) &&
012ec812 1761 !qlcnic_check_multi_tx(adapter) &&
aa2a8034
HM		 1762 (ring == (num_sds_rings - 1))) {
1763 if (!(adapter->flags &
1764 QLCNIC_MSIX_ENABLED))
1765 snprintf(sds_ring->name,
1766 sizeof(sds_ring->name),
1767 "qlcnic");
1768 else
1769 snprintf(sds_ring->name,
1770 sizeof(sds_ring->name),
1771 "%s-tx-0-rx-%d",
1772 netdev->name, ring);
1773 } else {
ddb2e174
HM		 1774 snprintf(sds_ring->name,
1775 sizeof(sds_ring->name),
aa2a8034 1776 "%s-rx-%d",
ddb2e174 1777 netdev->name, ring);
aa2a8034 1778 }
ac166700
HM		 1779 err = request_irq(sds_ring->irq, handler, flags,
1780 sds_ring->name, sds_ring);
1781 if (err)
1782 return err;
1783 }
13159183 1784 }
012ec812
HM		 1785 if ((qlcnic_82xx_check(adapter) &&
1786 qlcnic_check_multi_tx(adapter)) ||
1787 (qlcnic_83xx_check(adapter) &&
1788 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1789 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
13159183 1790 handler = qlcnic_msix_tx_intr;
34e8c406 1791 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1792 ring++) {
1793 tx_ring = &adapter->tx_ring[ring];
ddb2e174 1794 snprintf(tx_ring->name, sizeof(tx_ring->name),
aa2a8034 1795 "%s-tx-%d", netdev->name, ring);
13159183
SC		 1796 err = request_irq(tx_ring->irq, handler, flags,
1797 tx_ring->name, tx_ring);
1798 if (err)
1799 return err;
1800 }
1801 }
af19b491 1802 }
af19b491
AKS		 1803 return 0;
1804}
1805
1806static void
1807qlcnic_free_irq(struct qlcnic_adapter *adapter)
1808{
1809 int ring;
1810 struct qlcnic_host_sds_ring *sds_ring;
13159183 1811 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1812
b1fc6d3c 1813 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1814
13159183 1815 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1816 if (qlcnic_82xx_check(adapter) ||
1817 (qlcnic_83xx_check(adapter) &&
1818 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
34e8c406 1819 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
ac166700
HM		 1820 sds_ring = &recv_ctx->sds_rings[ring];
1821 free_irq(sds_ring->irq, sds_ring);
1822 }
13159183 1823 }
012ec812
HM		 1824 if ((qlcnic_83xx_check(adapter) &&
1825 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1826 (qlcnic_82xx_check(adapter) &&
1827 qlcnic_check_multi_tx(adapter))) {
34e8c406 1828 for (ring = 0; ring < adapter->drv_tx_rings;
13159183
SC		 1829 ring++) {
1830 tx_ring = &adapter->tx_ring[ring];
1831 if (tx_ring->irq)
1832 free_irq(tx_ring->irq, tx_ring);
1833 }
1834 }
af19b491
AKS		 1835 }
1836}
1837
99e85879
SS		 1838static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1839{
1840 u32 capab = 0;
1841
1842 if (qlcnic_82xx_check(adapter)) {
db131786 1843 if (adapter->ahw->extra_capability[0] &
99e85879
SS		 1844 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1845 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1846 } else {
1847 capab = adapter->ahw->capabilities;
1848 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1849 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1850 }
1851}
1852
a514722a
HM		 1853static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1854{
1855 struct qlcnic_hardware_context *ahw = adapter->ahw;
1856 int err;
1857
1858 /* Initialize interrupt coalesce parameters */
1859 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1860
1861 if (qlcnic_83xx_check(adapter)) {
1862 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1863 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1864 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1865 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1866 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1867
1868 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1869 } else {
1870 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1871 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1872 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1873
1874 err = qlcnic_82xx_set_rx_coalesce(adapter);
1875 }
1876
1877 return err;
1878}
1879
319ecf12 1880int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1881{
8a15ad1f
AKS		 1882 int ring;
1883 struct qlcnic_host_rds_ring *rds_ring;
1884
af19b491
AKS		 1885 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1886 return -EIO;
1887
8a15ad1f
AKS		 1888 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1889 return 0;
012ec812 1890
0325d69b
RB		 1891 if (qlcnic_set_eswitch_port_config(adapter))
1892 return -EIO;
012ec812 1893
99e85879 1894 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1895
8a15ad1f
AKS		 1896 if (qlcnic_fw_create_ctx(adapter))
1897 return -EIO;
1898
1899 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1900 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1901 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1902 }
1903
af19b491
AKS		 1904 qlcnic_set_multi(netdev);
1905 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1906
b1fc6d3c 1907 adapter->ahw->linkup = 0;
af19b491 1908
34e8c406 1909 if (adapter->drv_sds_rings > 1)
af19b491
AKS		 1910 qlcnic_config_rss(adapter, 1);
1911
a514722a 1912 qlcnic_config_def_intr_coalesce(adapter);
af19b491 1913
24763d80 1914 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1915 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1916
cfacb172 1917 set_bit(__QLCNIC_DEV_UP, &adapter->state);
af19b491
AKS		 1918 qlcnic_napi_enable(adapter);
1919
1920 qlcnic_linkevent_request(adapter, 1);
1921
79788450 1922 adapter->ahw->reset_context = 0;
060d0564 1923 netif_tx_start_all_queues(netdev);
af19b491
AKS		 1924 return 0;
1925}
1926
629263ac 1927int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1928{
1929 int err = 0;
1930
1931 rtnl_lock();
1932 if (netif_running(netdev))
1933 err = __qlcnic_up(adapter, netdev);
1934 rtnl_unlock();
1935
1936 return err;
1937}
1938
319ecf12 1939void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1940{
012ec812
HM		 1941 int ring;
1942
af19b491
AKS		 1943 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1944 return;
1945
1946 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1947 return;
1948
1949 smp_mb();
af19b491 1950 netif_carrier_off(netdev);
0a46bac0 1951 adapter->ahw->linkup = 0;
af19b491
AKS		 1952 netif_tx_disable(netdev);
1953
1954 qlcnic_free_mac_list(adapter);
1955
b5e5492c
AKS		 1956 if (adapter->fhash.fnum)
1957 qlcnic_delete_lb_filters(adapter);
1958
af19b491 1959 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
74b7ba1a
RB		 1960 if (qlcnic_sriov_vf_check(adapter))
1961 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1962
1963 qlcnic_napi_disable(adapter);
1964
8a15ad1f 1965 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1966 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1967
1968 qlcnic_reset_rx_buffers_list(adapter);
012ec812 1969
34e8c406 1970 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
012ec812 1971 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
af19b491
AKS		 1972}
1973
1974/* Usage: During suspend and firmware recovery module */
1975
629263ac 1976void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1977{
1978 rtnl_lock();
1979 if (netif_running(netdev))
1980 __qlcnic_down(adapter, netdev);
1981 rtnl_unlock();
1982
1983}
1984
319ecf12 1985int
af19b491
AKS		 1986qlcnic_attach(struct qlcnic_adapter *adapter)
1987{
1988 struct net_device *netdev = adapter->netdev;
1989 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1990 int err;
af19b491
AKS		 1991
1992 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1993 return 0;
1994
af19b491
AKS		 1995 err = qlcnic_napi_add(adapter, netdev);
1996 if (err)
1997 return err;
1998
1999 err = qlcnic_alloc_sw_resources(adapter);
2000 if (err) {
2001 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 2002 goto err_out_napi_del;
af19b491
AKS		 2003 }
2004
2005 err = qlcnic_alloc_hw_resources(adapter);
2006 if (err) {
2007 dev_err(&pdev->dev, "Error in setting hw resources\n");
2008 goto err_out_free_sw;
2009 }
2010
af19b491
AKS		 2011 err = qlcnic_request_irq(adapter);
2012 if (err) {
2013 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 2014 goto err_out_free_hw;
af19b491
AKS		 2015 }
2016
af19b491
AKS		 2017 qlcnic_create_sysfs_entries(adapter);
2018
2b3d7b75 2019 if (qlcnic_encap_rx_offload(adapter))
5e44f8e2 2020 udp_tunnel_get_rx_info(netdev);
2b3d7b75 2021
af19b491
AKS		 2022 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2023 return 0;
2024
8a15ad1f 2025err_out_free_hw:
af19b491
AKS		 2026 qlcnic_free_hw_resources(adapter);
2027err_out_free_sw:
2028 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 2029err_out_napi_del:
2030 qlcnic_napi_del(adapter);
af19b491
AKS		 2031 return err;
2032}
2033
319ecf12 2034void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 2035{
2036 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2037 return;
2038
2039 qlcnic_remove_sysfs_entries(adapter);
2040
2041 qlcnic_free_hw_resources(adapter);
2042 qlcnic_release_rx_buffers(adapter);
2043 qlcnic_free_irq(adapter);
2044 qlcnic_napi_del(adapter);
2045 qlcnic_free_sw_resources(adapter);
2046
2047 adapter->is_up = 0;
2048}
2049
34e8c406 2050void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
7eb9855d
AKS		 2051{
2052 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2053 struct qlcnic_host_sds_ring *sds_ring;
34e8c406 2054 int drv_tx_rings = adapter->drv_tx_rings;
7eb9855d
AKS		 2055 int ring;
2056
78ad3892 2057 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 2058 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2059 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2060 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2061 qlcnic_disable_sds_intr(adapter, sds_ring);
cdaff185 2062 }
7eb9855d
AKS		 2063 }
2064
8a15ad1f
AKS		 2065 qlcnic_fw_destroy_ctx(adapter);
2066
7eb9855d
AKS		 2067 qlcnic_detach(adapter);
2068
79788450 2069 adapter->ahw->diag_test = 0;
34e8c406
HM		 2070 adapter->drv_sds_rings = drv_sds_rings;
2071 adapter->drv_tx_rings = drv_tx_rings;
7eb9855d
AKS		 2072
2073 if (qlcnic_attach(adapter))
34ce3626 2074 goto out;
7eb9855d
AKS		 2075
2076 if (netif_running(netdev))
2077 __qlcnic_up(adapter, netdev);
34ce3626 2078out:
7eb9855d
AKS		 2079 netif_device_attach(netdev);
2080}
2081
b1fc6d3c
AC		 2082static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2083{
868e9144 2084 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 2085 int err = 0;
be273dc1 2086
b1fc6d3c
AC		 2087 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2088 GFP_KERNEL);
2089 if (!adapter->recv_ctx) {
b1fc6d3c 2090 err = -ENOMEM;
8816d009 2091 goto err_out;
b1fc6d3c 2092 }
a514722a 2093
868e9144
SC		 2094 if (qlcnic_83xx_check(adapter)) {
2095 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2096 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2097 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2098 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2099 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2100 } else {
2101 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2102 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2103 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2104 }
2105
4be41e92
SC		 2106 /* clear stats */
2107 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 2108err_out:
2109 return err;
2110}
2111
2112static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2113{
4da005cf
SS		 2114 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2115
b1fc6d3c
AC		 2116 kfree(adapter->recv_ctx);
2117 adapter->recv_ctx = NULL;
2118
4da005cf
SS		 2119 if (fw_dump->tmpl_hdr) {
2120 vfree(fw_dump->tmpl_hdr);
2121 fw_dump->tmpl_hdr = NULL;
2122 }
2123
2124 if (fw_dump->dma_buffer) {
2125 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2126 fw_dump->dma_buffer, fw_dump->phys_addr);
2127 fw_dump->dma_buffer = NULL;
18f2f616 2128 }
4be41e92 2129
81d0aeb0 2130 kfree(adapter->ahw->reset.buff);
4be41e92 2131 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 2132}
2133
7eb9855d
AKS		 2134int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2135{
2136 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2137 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 2138 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 2139 int ring;
2140 int ret;
2141
2142 netif_device_detach(netdev);
2143
2144 if (netif_running(netdev))
2145 __qlcnic_down(adapter, netdev);
2146
2147 qlcnic_detach(adapter);
2148
34e8c406 2149 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
79788450 2150 adapter->ahw->diag_test = test;
4be41e92 2151 adapter->ahw->linkup = 0;
7eb9855d
AKS		 2152
2153 ret = qlcnic_attach(adapter);
34ce3626
AKS		 2154 if (ret) {
2155 netif_device_attach(netdev);
7eb9855d 2156 return ret;
34ce3626 2157 }
7eb9855d 2158
8a15ad1f
AKS		 2159 ret = qlcnic_fw_create_ctx(adapter);
2160 if (ret) {
2161 qlcnic_detach(adapter);
57e46248 2162 netif_device_attach(netdev);
8a15ad1f
AKS		 2163 return ret;
2164 }
2165
2166 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 2167 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 2168 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 2169 }
2170
79788450 2171 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
34e8c406 2172 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
b1fc6d3c 2173 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2cc5752e 2174 qlcnic_enable_sds_intr(adapter, sds_ring);
cdaff185 2175 }
7eb9855d 2176 }
22c8c934 2177
79788450 2178 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 2179 adapter->ahw->loopback_state = 0;
2180 qlcnic_linkevent_request(adapter, 1);
2181 }
2182
78ad3892 2183 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 2184
2185 return 0;
2186}
2187
68bf1c68
AKS		 2188/* Reset context in hardware only */
2189static int
2190qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2191{
2192 struct net_device *netdev = adapter->netdev;
2193
2194 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2195 return -EBUSY;
2196
2197 netif_device_detach(netdev);
2198
2199 qlcnic_down(adapter, netdev);
2200
2201 qlcnic_up(adapter, netdev);
2202
2203 netif_device_attach(netdev);
2204
2205 clear_bit(__QLCNIC_RESETTING, &adapter->state);
95b3890a 2206 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
68bf1c68
AKS		 2207 return 0;
2208}
2209
af19b491
AKS		 2210int
2211qlcnic_reset_context(struct qlcnic_adapter *adapter)
2212{
2213 int err = 0;
2214 struct net_device *netdev = adapter->netdev;
2215
2216 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2217 return -EBUSY;
2218
2219 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2220
2221 netif_device_detach(netdev);
2222
2223 if (netif_running(netdev))
2224 __qlcnic_down(adapter, netdev);
2225
2226 qlcnic_detach(adapter);
2227
2228 if (netif_running(netdev)) {
2229 err = qlcnic_attach(adapter);
1d5c88e3 2230 if (!err) {
34ce3626 2231 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 2232 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2233 }
af19b491
AKS		 2234 }
2235
2236 netif_device_attach(netdev);
2237 }
2238
af19b491
AKS		 2239 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2240 return err;
2241}
2242
21041400 2243static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
52e493d0
JK		 2244{
2245 struct qlcnic_hardware_context *ahw = adapter->ahw;
2f514c52 2246 u16 act_pci_fn = ahw->total_nic_func;
52e493d0
JK		 2247 u16 count;
2248
2249 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2250 if (act_pci_fn <= 2)
2251 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2252 act_pci_fn;
2253 else
2254 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2255 act_pci_fn;
2256 ahw->max_uc_count = count;
2257}
2258
84d7ad2c
SS		 2259static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2260 u8 tx_queues, u8 rx_queues)
2261{
2262 struct net_device *netdev = adapter->netdev;
2263 int err = 0;
2264
2265 if (tx_queues) {
2266 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2267 if (err) {
2268 netdev_err(netdev, "failed to set %d Tx queues\n",
2269 tx_queues);
2270 return err;
2271 }
2272 }
2273
2274 if (rx_queues) {
2275 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2276 if (err)
2277 netdev_err(netdev, "failed to set %d Rx queues\n",
2278 rx_queues);
2279 }
2280
2281 return err;
2282}
2283
f8468331 2284int
5ad6ff9d
SC		 2285qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2286 int pci_using_dac)
af19b491
AKS		 2287{
2288 int err;
2289 struct pci_dev *pdev = adapter->pdev;
2290
13159183 2291 adapter->rx_csum = 1;
79788450 2292 adapter->ahw->mc_enabled = 0;
52e493d0 2293 qlcnic_set_mac_filter_count(adapter);
af19b491
AKS		 2294
2295 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 2296 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 2297
2298 qlcnic_change_mtu(netdev, netdev->mtu);
2299
7ad24ea4
WK		 2300 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2301 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
af19b491 2302
7e38d04b 2303 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 2304 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 2305 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 2306 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2307 NETIF_F_IPV6_CSUM);
ac8d0c4f 2308
13159183
SC		 2309 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2310 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2311 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2312 }
af19b491 2313
13159183
SC		 2314 if (pci_using_dac) {
2315 netdev->features |= NETIF_F_HIGHDMA;
2316 netdev->vlan_features |= NETIF_F_HIGHDMA;
2317 }
af19b491 2318
13159183 2319 if (qlcnic_vlan_tx_check(adapter))
f646968f 2320 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 2321
91b7282b
RB		 2322 if (qlcnic_sriov_vf_check(adapter))
2323 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2324
13159183
SC		 2325 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2326 netdev->features |= NETIF_F_LRO;
135d84a9 2327
381709de
SS		 2328 if (qlcnic_encap_tx_offload(adapter)) {
2329 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2330
2331 /* encapsulation Tx offload supported by Adapter */
2332 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2333 NETIF_F_GSO_UDP_TUNNEL |
2334 NETIF_F_TSO |
2335 NETIF_F_TSO6;
2336 }
2337
2b3d7b75
SS		 2338 if (qlcnic_encap_rx_offload(adapter))
2339 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2340
7e38d04b 2341 netdev->hw_features = netdev->features;
52e493d0 2342 netdev->priv_flags |= IFF_UNICAST_FLT;
af19b491
AKS		 2343 netdev->irq = adapter->msix_entries[0].vector;
2344
caff2a87
JW		 2345 /* MTU range: 68 - 9600 */
2346 netdev->min_mtu = P3P_MIN_MTU;
2347 netdev->max_mtu = P3P_MAX_MTU;
2348
84d7ad2c
SS		 2349 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2350 adapter->drv_sds_rings);
aa4a1f7d
HM		 2351 if (err)
2352 return err;
012ec812 2353
cd1560e2
RB		 2354 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2355
af19b491
AKS		 2356 err = register_netdev(netdev);
2357 if (err) {
2358 dev_err(&pdev->dev, "failed to register net device\n");
2359 return err;
2360 }
2361
2362 return 0;
2363}
2364
5ad6ff9d 2365static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 2366{
2367 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2368 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2369 *pci_using_dac = 1;
2370 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2371 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2372 *pci_using_dac = 0;
2373 else {
2374 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2375 return -EIO;
2376 }
2377
2378 return 0;
2379}
2380
4be41e92
SC		 2381void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2382{
2383 int ring;
2384 struct qlcnic_host_tx_ring *tx_ring;
2385
34e8c406 2386 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92 2387 tx_ring = &adapter->tx_ring[ring];
7061b2bd 2388 if (tx_ring) {
4be41e92
SC		 2389 vfree(tx_ring->cmd_buf_arr);
2390 tx_ring->cmd_buf_arr = NULL;
2391 }
2392 }
7061b2bd 2393 kfree(adapter->tx_ring);
4be41e92
SC		 2394}
2395
2396int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2397 struct net_device *netdev)
2398{
b2adaca9 2399 int ring, vector, index;
4be41e92
SC		 2400 struct qlcnic_host_tx_ring *tx_ring;
2401 struct qlcnic_cmd_buffer *cmd_buf_arr;
2402
34e8c406 2403 tx_ring = kcalloc(adapter->drv_tx_rings,
b2adaca9
JP		 2404 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2405 if (tx_ring == NULL)
4be41e92 2406 return -ENOMEM;
b2adaca9 2407
4be41e92
SC		 2408 adapter->tx_ring = tx_ring;
2409
34e8c406 2410 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2411 tx_ring = &adapter->tx_ring[ring];
2412 tx_ring->num_desc = adapter->num_txd;
2413 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2414 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2415 if (cmd_buf_arr == NULL) {
4be41e92
SC		 2416 qlcnic_free_tx_rings(adapter);
2417 return -ENOMEM;
2418 }
4be41e92 2419 tx_ring->cmd_buf_arr = cmd_buf_arr;
a02bdd42 2420 spin_lock_init(&tx_ring->tx_clean_lock);
4be41e92
SC		 2421 }
2422
012ec812
HM		 2423 if (qlcnic_83xx_check(adapter) ||
2424 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
34e8c406 2425 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
4be41e92
SC		 2426 tx_ring = &adapter->tx_ring[ring];
2427 tx_ring->adapter = adapter;
2428 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
34e8c406 2429 index = adapter->drv_sds_rings + ring;
4be41e92
SC		 2430 vector = adapter->msix_entries[index].vector;
2431 tx_ring->irq = vector;
2432 }
2433 }
2434 }
012ec812 2435
4be41e92
SC		 2436 return 0;
2437}
2438
8af3f33d
PP		 2439void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2440{
2441 struct qlcnic_hardware_context *ahw = adapter->ahw;
2442 u32 fw_cmd = 0;
2443
2444 if (qlcnic_82xx_check(adapter))
2445 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2446 else if (qlcnic_83xx_check(adapter))
2447 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2448
d6994ca7 2449 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
8af3f33d
PP		 2450 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2451}
2452
2c97e9e2
SC		 2453/* Reset firmware API lock */
2454static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2455{
2456 qlcnic_api_lock(adapter);
2457 qlcnic_api_unlock(adapter);
2458}
2459
2460
6bb58bb0 2461static int
af19b491
AKS		 2462qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2463{
2464 struct net_device *netdev = NULL;
2465 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 2466 struct qlcnic_hardware_context *ahw;
5ad6ff9d 2467 int err, pci_using_dac = -1;
7bc48646 2468 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 2469
2470 err = pci_enable_device(pdev);
2471 if (err)
2472 return err;
2473
2474 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2475 err = -ENODEV;
2476 goto err_out_disable_pdev;
2477 }
2478
1bb09fb9
AKS		 2479 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2480 if (err)
2481 goto err_out_disable_pdev;
2482
af19b491
AKS		 2483 err = pci_request_regions(pdev, qlcnic_driver_name);
2484 if (err)
2485 goto err_out_disable_pdev;
2486
2487 pci_set_master(pdev);
451724c8 2488 pci_enable_pcie_error_reporting(pdev);
af19b491 2489
7e2cf4fe 2490 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
02135582
SC		 2491 if (!ahw) {
2492 err = -ENOMEM;
7e2cf4fe 2493 goto err_out_free_res;
02135582 2494 }
7e2cf4fe 2495
f8468331
RB		 2496 switch (ent->device) {
2497 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 2498 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 2499 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2500 break;
2501 case PCI_DEVICE_ID_QLOGIC_QLE834X:
40e2b8ed 2502 case PCI_DEVICE_ID_QLOGIC_QLE8830:
15ca140f 2503 case PCI_DEVICE_ID_QLOGIC_QLE844X:
13159183 2504 qlcnic_83xx_register_map(ahw);
f8468331
RB		 2505 break;
2506 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
da286a6f 2507 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
15ca140f 2508 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
f8468331
RB		 2509 qlcnic_sriov_vf_register_map(ahw);
2510 break;
2511 default:
13159183 2512 goto err_out_free_hw_res;
7e2cf4fe
SC		 2513 }
2514
2515 err = qlcnic_setup_pci_map(pdev, ahw);
2516 if (err)
2517 goto err_out_free_hw_res;
2518
012ec812
HM		 2519 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2520 QLCNIC_MAX_TX_RINGS);
af19b491 2521 if (!netdev) {
af19b491 2522 err = -ENOMEM;
7e2cf4fe 2523 goto err_out_iounmap;
af19b491
AKS		 2524 }
2525
2526 SET_NETDEV_DEV(netdev, &pdev->dev);
2527
2528 adapter = netdev_priv(netdev);
2529 adapter->netdev = netdev;
2530 adapter->pdev = pdev;
13159183
SC		 2531 adapter->ahw = ahw;
2532
2533 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2534 if (adapter->qlcnic_wq == NULL) {
02135582 2535 err = -ENOMEM;
13159183
SC		 2536 dev_err(&pdev->dev, "Failed to create workqueue\n");
2537 goto err_out_free_netdev;
2538 }
af19b491 2539
2dfc9671
PST		 2540 err = qlcnic_alloc_adapter_resources(adapter);
2541 if (err)
2b1f18a4 2542 goto err_out_free_wq;
b1fc6d3c
AC		 2543
2544 adapter->dev_rst_time = jiffies;
2f514c52
JK		 2545 ahw->revision_id = pdev->revision;
2546 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
fe1adc6b
JK		 2547 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2548 adapter->fdb_mac_learn = true;
2549 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2550 adapter->drv_mac_learn = true;
af19b491 2551
b1fc6d3c
AC		 2552 rwlock_init(&adapter->ahw->crb_lock);
2553 mutex_init(&adapter->ahw->mem_lock);
af19b491 2554
af19b491
AKS		 2555 INIT_LIST_HEAD(&adapter->mac_list);
2556
14d385b9
SC		 2557 qlcnic_register_dcb(adapter);
2558
7e2cf4fe 2559 if (qlcnic_82xx_check(adapter)) {
13159183 2560 qlcnic_check_vf(adapter, ent);
7e2cf4fe 2561 adapter->portnum = adapter->ahw->pci_func;
2c97e9e2 2562 qlcnic_reset_api_lock(adapter);
7e2cf4fe
SC		 2563 err = qlcnic_start_firmware(adapter);
2564 if (err) {
66451615
SC		 2565 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2566 "\t\tIf reboot doesn't help, try flashing the card\n");
2567 goto err_out_maintenance_mode;
7e2cf4fe 2568 }
af19b491 2569
34e8c406
HM		 2570 /* compute and set default and max tx/sds rings */
2571 if (adapter->ahw->msix_supported) {
2572 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2573 qlcnic_set_tx_ring_count(adapter,
2574 QLCNIC_SINGLE_RING);
2575 else
2576 qlcnic_set_tx_ring_count(adapter,
2577 QLCNIC_DEF_TX_RINGS);
2578 qlcnic_set_sds_ring_count(adapter,
2579 QLCNIC_DEF_SDS_RINGS);
2580 } else {
2581 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2582 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
012ec812
HM		 2583 }
2584
7e2cf4fe
SC		 2585 err = qlcnic_setup_idc_param(adapter);
2586 if (err)
2587 goto err_out_free_hw;
b0044bcf 2588
7e2cf4fe 2589 adapter->flags |= QLCNIC_NEED_FLR;
14d385b9 2590
13159183
SC		 2591 } else if (qlcnic_83xx_check(adapter)) {
2592 qlcnic_83xx_check_vf(adapter, ent);
2593 adapter->portnum = adapter->ahw->pci_func;
f8468331 2594 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac 2595 if (err) {
78ea2d97
SC		 2596 switch (err) {
2597 case -ENOTRECOVERABLE:
2a355aec
SC		 2598 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2599 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
78ea2d97
SC		 2600 goto err_out_free_hw;
2601 case -ENOMEM:
2602 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2603 goto err_out_free_hw;
aaecf51c
SC		 2604 case -EOPNOTSUPP:
2605 dev_err(&pdev->dev, "Adapter initialization failed\n");
2606 goto err_out_free_hw;
78ea2d97 2607 default:
c65762fc 2608 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
78ea2d97
SC		 2609 goto err_out_maintenance_mode;
2610 }
629263ac 2611 }
78ea2d97 2612
f8468331
RB		 2613 if (qlcnic_sriov_vf_check(adapter))
2614 return 0;
13159183
SC		 2615 } else {
2616 dev_err(&pdev->dev,
2617 "%s: failed. Please Reboot\n", __func__);
7824acd9 2618 err = -ENODEV;
13159183 2619 goto err_out_free_hw;
a7fc948f 2620 }
af19b491 2621
da48e6c3
RB		 2622 if (qlcnic_read_mac_addr(adapter))
2623 dev_warn(&pdev->dev, "failed to read mac addr\n");
2624
07a251c8
SS		 2625 qlcnic_read_phys_port_id(adapter);
2626
da48e6c3 2627 if (adapter->portnum == 0) {
22999798 2628 qlcnic_get_board_name(adapter, board_name);
13159183 2629
da48e6c3 2630 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2631 module_name(THIS_MODULE),
2632 board_name, adapter->ahw->revision_id);
da48e6c3 2633 }
460374f7
HM		 2634
2635 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2636 !!qlcnic_use_msi)
2637 dev_warn(&pdev->dev,
01b91f4c 2638 "Device does not support MSI interrupts\n");
460374f7 2639
068a8d19 2640 if (qlcnic_82xx_check(adapter)) {
4d52e1e8
SC		 2641 qlcnic_dcb_enable(adapter->dcb);
2642 qlcnic_dcb_get_info(adapter->dcb);
34e8c406 2643 err = qlcnic_setup_intr(adapter);
4d52e1e8 2644
068a8d19
MC		 2645 if (err) {
2646 dev_err(&pdev->dev, "Failed to setup interrupt\n");
13159183 2647 goto err_out_disable_msi;
068a8d19 2648 }
13159183 2649 }
af19b491 2650
02135582
SC		 2651 err = qlcnic_get_act_pci_func(adapter);
2652 if (err)
2653 goto err_out_disable_mbx_intr;
2654
bf63014f
RB		 2655 if (adapter->portnum == 0)
2656 qlcnic_set_drv_version(adapter);
2657
1bb09fb9 2658 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2659 if (err)
7e2cf4fe 2660 goto err_out_disable_mbx_intr;
af19b491
AKS		 2661
2662 pci_set_drvdata(pdev, adapter);
2663
97ee45eb
SC		 2664 if (qlcnic_82xx_check(adapter))
2665 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2666 FW_POLL_DELAY);
af19b491 2667
b1fc6d3c 2668 switch (adapter->ahw->port_type) {
af19b491
AKS		 2669 case QLCNIC_GBE:
2670 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2671 adapter->netdev->name);
2672 break;
2673 case QLCNIC_XGBE:
2674 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2675 adapter->netdev->name);
2676 break;
2677 }
2678
fe1adc6b 2679 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2680 qlcnic_alloc_lb_filters_mem(adapter);
2681
7e2cf4fe 2682 qlcnic_add_sysfs(adapter);
1f0f467b 2683 qlcnic_register_hwmon_dev(adapter);
af19b491
AKS		 2684 return 0;
2685
7e2cf4fe 2686err_out_disable_mbx_intr:
7dd90cf1 2687 if (qlcnic_83xx_check(adapter))
13159183 2688 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2689
af19b491
AKS		 2690err_out_disable_msi:
2691 qlcnic_teardown_intr(adapter);
7e2cf4fe 2692 qlcnic_cancel_idc_work(adapter);
21854f02 2693 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2694
b1fc6d3c
AC		 2695err_out_free_hw:
2696 qlcnic_free_adapter_resources(adapter);
2697
2b1f18a4
WY		 2698err_out_free_wq:
2699 destroy_workqueue(adapter->qlcnic_wq);
2700
af19b491
AKS		 2701err_out_free_netdev:
2702 free_netdev(netdev);
2703
7e2cf4fe 2704err_out_iounmap:
f1a094a8 2705 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2706
2707err_out_free_hw_res:
2708 kfree(ahw);
2709
af19b491
AKS		 2710err_out_free_res:
2711 pci_release_regions(pdev);
2712
2713err_out_disable_pdev:
af19b491
AKS		 2714 pci_disable_device(pdev);
2715 return err;
66451615
SC		 2716
2717err_out_maintenance_mode:
78ea2d97 2718 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
66451615 2719 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
7ad24ea4 2720 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
78ea2d97
SC		 2721 ahw->port_type = QLCNIC_XGBE;
2722
2723 if (qlcnic_83xx_check(adapter))
2724 adapter->tgt_status_reg = NULL;
2725 else
2726 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2727
66451615
SC		 2728 err = register_netdev(netdev);
2729
2730 if (err) {
2731 dev_err(&pdev->dev, "Failed to register net device\n");
2732 qlcnic_clr_all_drv_state(adapter, 0);
2733 goto err_out_free_hw;
2734 }
2735
2736 pci_set_drvdata(pdev, adapter);
2737 qlcnic_add_sysfs(adapter);
2738
2739 return 0;
af19b491
AKS		 2740}
2741
6bb58bb0 2742static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2743{
2744 struct qlcnic_adapter *adapter;
2745 struct net_device *netdev;
13159183 2746 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2747
2748 adapter = pci_get_drvdata(pdev);
2749 if (adapter == NULL)
2750 return;
2751
2752 netdev = adapter->netdev;
2753
13159183 2754 qlcnic_cancel_idc_work(adapter);
132a3f2b 2755 qlcnic_sriov_pf_disable(adapter);
13159183 2756 ahw = adapter->ahw;
af19b491
AKS		 2757
2758 unregister_netdev(netdev);
02feda17 2759 qlcnic_sriov_cleanup(adapter);
af19b491 2760
13159183 2761 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 2762 qlcnic_83xx_initialize_nic(adapter, 0);
3d73b5fd 2763 cancel_delayed_work_sync(&adapter->idc_aen_work);
068a8d19
MC		 2764 qlcnic_83xx_free_mbx_intr(adapter);
2765 qlcnic_83xx_detach_mailbox_work(adapter);
2766 qlcnic_83xx_free_mailbox(ahw->mailbox);
7000078a 2767 kfree(ahw->fw_info);
13159183
SC		 2768 }
2769
3720bf79 2770 qlcnic_dcb_free(adapter->dcb);
af19b491 2771 qlcnic_detach(adapter);
7061b2bd
ME		 2772 kfree(adapter->npars);
2773 kfree(adapter->eswitch);
2e9d722d 2774
97ee45eb
SC		 2775 if (qlcnic_82xx_check(adapter))
2776 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2777
2778 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2779
b5e5492c
AKS		 2780 qlcnic_free_lb_filters_mem(adapter);
2781
af19b491
AKS		 2782 qlcnic_teardown_intr(adapter);
2783
13159183 2784 qlcnic_remove_sysfs(adapter);
af19b491 2785
1f0f467b
HP		 2786 qlcnic_unregister_hwmon_dev(adapter);
2787
f1a094a8 2788 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2789
2790 qlcnic_release_firmware(adapter);
2791
451724c8 2792 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2793 pci_release_regions(pdev);
2794 pci_disable_device(pdev);
af19b491 2795
13159183
SC		 2796 if (adapter->qlcnic_wq) {
2797 destroy_workqueue(adapter->qlcnic_wq);
2798 adapter->qlcnic_wq = NULL;
2799 }
14d385b9 2800
b1fc6d3c 2801 qlcnic_free_adapter_resources(adapter);
13159183 2802 kfree(ahw);
af19b491
AKS		 2803 free_netdev(netdev);
2804}
af19b491
AKS		 2805
2806static void qlcnic_shutdown(struct pci_dev *pdev)
2807{
2808 if (__qlcnic_shutdown(pdev))
2809 return;
2810
2811 pci_disable_device(pdev);
2812}
2813
2814#ifdef CONFIG_PM
486a5bc7 2815static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
af19b491
AKS		 2816{
2817 int retval;
2818
2819 retval = __qlcnic_shutdown(pdev);
2820 if (retval)
2821 return retval;
2822
2823 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2824 return 0;
2825}
2826
486a5bc7 2827static int qlcnic_resume(struct pci_dev *pdev)
af19b491
AKS		 2828{
2829 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
af19b491
AKS		 2830 int err;
2831
2832 err = pci_enable_device(pdev);
2833 if (err)
2834 return err;
2835
2836 pci_set_power_state(pdev, PCI_D0);
2837 pci_set_master(pdev);
2838 pci_restore_state(pdev);
2839
486a5bc7 2840 return __qlcnic_resume(adapter);
af19b491
AKS		 2841}
2842#endif
2843
2844static int qlcnic_open(struct net_device *netdev)
2845{
2846 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2847 int err;
2848
78ea2d97
SC		 2849 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2850 netdev_err(netdev, "%s: Device is in non-operational state\n",
2851 __func__);
66451615
SC		 2852
2853 return -EIO;
2854 }
2855
c55ad8e5
AKS		 2856 netif_carrier_off(netdev);
2857
af19b491
AKS		 2858 err = qlcnic_attach(adapter);
2859 if (err)
2860 return err;
2861
2862 err = __qlcnic_up(adapter, netdev);
2863 if (err)
060d0564 2864 qlcnic_detach(adapter);
af19b491 2865
af19b491
AKS		 2866 return err;
2867}
2868
2869/*
2870 * qlcnic_close - Disables a network interface entry point
2871 */
2872static int qlcnic_close(struct net_device *netdev)
2873{
2874 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2875
2876 __qlcnic_down(adapter, netdev);
13159183 2877
af19b491
AKS		 2878 return 0;
2879}
2880
d747c333
RB		 2881#define QLCNIC_VF_LB_BUCKET_SIZE 1
2882
e5dcf6dc 2883void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2884{
2885 void *head;
2886 int i;
13159183
SC		 2887 struct net_device *netdev = adapter->netdev;
2888 u32 filter_size = 0;
2889 u16 act_pci_func = 0;
b5e5492c 2890
e5dcf6dc 2891 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2892 return;
2893
2f514c52 2894 act_pci_func = adapter->ahw->total_nic_func;
b5e5492c 2895 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2896 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2897
d747c333
RB		 2898 if (qlcnic_sriov_vf_check(adapter)) {
2899 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2900 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2901 } else if (qlcnic_82xx_check(adapter)) {
13159183
SC		 2902 filter_size = QLCNIC_LB_MAX_FILTERS;
2903 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2904 } else {
2905 filter_size = QLC_83XX_LB_MAX_FILTERS;
2906 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2907 }
2908
2909 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2910 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2911
b5e5492c
AKS		 2912 if (!head)
2913 return;
2914
13159183 2915 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2916 adapter->fhash.fhead = head;
b5e5492c 2917
13159183
SC		 2918 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2919 act_pci_func, adapter->fhash.fmax);
2920
2921 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2922 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2923
2924 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2925
2926 head = kcalloc(adapter->rx_fhash.fbucket_size,
2927 sizeof(struct hlist_head), GFP_ATOMIC);
2928
2929 if (!head)
2930 return;
2931
2932 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2933 adapter->rx_fhash.fhead = head;
2934
2935 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2936 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2937}
2938
2939static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2940{
7061b2bd 2941 if (adapter->fhash.fmax)
b5e5492c
AKS		 2942 kfree(adapter->fhash.fhead);
2943
2944 adapter->fhash.fhead = NULL;
2945 adapter->fhash.fmax = 0;
53643a75 2946
7061b2bd 2947 if (adapter->rx_fhash.fmax)
53643a75
SS		 2948 kfree(adapter->rx_fhash.fhead);
2949
2950 adapter->rx_fhash.fmax = 0;
2951 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2952}
2953
629263ac 2954int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2955{
2956 struct net_device *netdev = adapter->netdev;
97ee45eb 2957 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2958 int rv = 0;
2959
13159183
SC		 2960 if (qlcnic_83xx_check(adapter))
2961 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2962
97ee45eb 2963 if (qlcnic_82xx_check(adapter))
a15ebd37 2964 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2965
2966 temp_state = qlcnic_get_temp_state(temp);
2967 temp_val = qlcnic_get_temp_val(temp);
2968
2969 if (temp_state == QLCNIC_TEMP_PANIC) {
2970 dev_err(&netdev->dev,
2971 "Device temperature %d degrees C exceeds"
2972 " maximum allowed. Hardware has been shut down.\n",
2973 temp_val);
2974 rv = 1;
2975 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2976 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2977 dev_err(&netdev->dev,
2978 "Device temperature %d degrees C "
2979 "exceeds operating range."
2980 " Immediate action needed.\n",
2981 temp_val);
2982 }
2983 } else {
79788450 2984 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2985 dev_info(&netdev->dev,
2986 "Device temperature is now %d degrees C"
2987 " in normal range.\n", temp_val);
2988 }
2989 }
79788450 2990 adapter->ahw->temp = temp_state;
af19b491
AKS		 2991 return rv;
2992}
2993
95b3890a 2994static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
af19b491 2995{
95b3890a 2996 int i;
95b3890a
HM		 2997
2998 for (i = 0; i < tx_ring->num_desc; i++) {
95b3890a
HM		 2999 pr_info("TX Desc: %d\n", i);
3000 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
3001 &tx_ring->desc_head[i],
3002 sizeof(struct cmd_desc_type0), true);
3003 }
3004}
3005
665d1eca 3006static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
95b3890a 3007{
665d1eca 3008 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
95b3890a 3009 struct net_device *netdev = adapter->netdev;
665d1eca
HP		 3010 struct qlcnic_host_rds_ring *rds_ring;
3011 struct qlcnic_host_sds_ring *sds_ring;
012ec812
HM		 3012 struct qlcnic_host_tx_ring *tx_ring;
3013 int ring;
af19b491 3014
95b3890a
HM		 3015 if (!netdev || !netif_running(netdev))
3016 return;
3017
665d1eca
HP		 3018 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
3019 rds_ring = &recv_ctx->rds_rings[ring];
3020 if (!rds_ring)
3021 continue;
3022 netdev_info(netdev,
3023 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3024 ring, readl(rds_ring->crb_rcv_producer),
3025 rds_ring->producer, rds_ring->num_desc);
3026 }
3027
3028 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3029 sds_ring = &(recv_ctx->sds_rings[ring]);
3030 if (!sds_ring)
3031 continue;
3032 netdev_info(netdev,
3033 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3034 ring, readl(sds_ring->crb_sts_consumer),
3035 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3036 sds_ring->num_desc);
3037 }
3038
95b3890a
HM		 3039 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3040 tx_ring = &adapter->tx_ring[ring];
665d1eca
HP		 3041 if (!tx_ring)
3042 continue;
95b3890a
HM		 3043 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3044 ring, tx_ring->ctx_id);
3045 netdev_info(netdev,
3046 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3047 tx_ring->tx_stats.xmit_finished,
3048 tx_ring->tx_stats.xmit_called,
3049 tx_ring->tx_stats.xmit_on,
3050 tx_ring->tx_stats.xmit_off);
d5d2bf3e
MC		 3051
3052 if (tx_ring->crb_intr_mask)
3053 netdev_info(netdev, "crb_intr_mask=%d\n",
3054 readl(tx_ring->crb_intr_mask));
3055
95b3890a 3056 netdev_info(netdev,
d5d2bf3e 3057 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
95b3890a
HM		 3058 readl(tx_ring->crb_cmd_producer),
3059 tx_ring->producer, tx_ring->sw_consumer,
3060 le32_to_cpu(*(tx_ring->hw_consumer)));
3061
3062 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3063 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3064
665d1eca 3065 if (netif_msg_tx_err(adapter->ahw))
95b3890a
HM		 3066 dump_tx_ring_desc(tx_ring);
3067 }
665d1eca 3068
95b3890a
HM		 3069}
3070
0290bd29 3071static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue)
95b3890a
HM		 3072{
3073 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3074
af19b491
AKS		 3075 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3076 return;
3077
665d1eca
HP		 3078 qlcnic_dump_rings(adapter);
3079
3080 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3081 netif_msg_tx_err(adapter->ahw)) {
3082 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
536faa61
SC		 3083 if (qlcnic_82xx_check(adapter))
3084 adapter->need_fw_reset = 1;
3085 else if (qlcnic_83xx_check(adapter))
3086 qlcnic_83xx_idc_request_reset(adapter,
3087 QLCNIC_FORCE_FW_DUMP_KEY);
3088 } else {
665d1eca 3089 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
79788450 3090 adapter->ahw->reset_context = 1;
536faa61 3091 }
af19b491
AKS		 3092}
3093
3094static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3095{
3096 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3097 struct net_device_stats *stats = &netdev->stats;
3098
1ac6762a
MC		 3099 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3100 qlcnic_update_stats(adapter);
3101
af19b491
AKS		 3102 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3103 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 3104 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 3105 stats->tx_bytes = adapter->stats.txbytes;
3106 stats->rx_dropped = adapter->stats.rxdropped;
3107 stats->tx_dropped = adapter->stats.txdropped;
3108
3109 return stats;
3110}
3111
21041400 3112static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 3113{
af19b491
AKS		 3114 u32 status;
3115
3116 status = readl(adapter->isr_int_vec);
3117
79788450 3118 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 3119 return IRQ_NONE;
3120
3121 /* check interrupt state machine, to be sure */
3122 status = readl(adapter->crb_int_state_reg);
3123 if (!ISR_LEGACY_INT_TRIGGERED(status))
3124 return IRQ_NONE;
3125
3126 writel(0xffffffff, adapter->tgt_status_reg);
3127 /* read twice to ensure write is flushed */
3128 readl(adapter->isr_int_vec);
3129 readl(adapter->isr_int_vec);
3130
7eb9855d
AKS		 3131 return IRQ_HANDLED;
3132}
3133
3134static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3135{
3136 struct qlcnic_host_sds_ring *sds_ring = data;
3137 struct qlcnic_adapter *adapter = sds_ring->adapter;
3138
3139 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3140 goto done;
3141 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3142 writel(0xffffffff, adapter->tgt_status_reg);
3143 goto done;
3144 }
3145
3146 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3147 return IRQ_NONE;
3148
3149done:
79788450 3150 adapter->ahw->diag_cnt++;
2cc5752e 3151 qlcnic_enable_sds_intr(adapter, sds_ring);
7eb9855d
AKS		 3152 return IRQ_HANDLED;
3153}
3154
3155static irqreturn_t qlcnic_intr(int irq, void *data)
3156{
3157 struct qlcnic_host_sds_ring *sds_ring = data;
3158 struct qlcnic_adapter *adapter = sds_ring->adapter;
3159
3160 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3161 return IRQ_NONE;
3162
af19b491
AKS		 3163 napi_schedule(&sds_ring->napi);
3164
3165 return IRQ_HANDLED;
3166}
3167
3168static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3169{
3170 struct qlcnic_host_sds_ring *sds_ring = data;
3171 struct qlcnic_adapter *adapter = sds_ring->adapter;
3172
3173 /* clear interrupt */
3174 writel(0xffffffff, adapter->tgt_status_reg);
3175
3176 napi_schedule(&sds_ring->napi);
3177 return IRQ_HANDLED;
3178}
3179
3180static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3181{
3182 struct qlcnic_host_sds_ring *sds_ring = data;
3183
3184 napi_schedule(&sds_ring->napi);
3185 return IRQ_HANDLED;
3186}
3187
13159183
SC		 3188static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3189{
3190 struct qlcnic_host_tx_ring *tx_ring = data;
3191
3192 napi_schedule(&tx_ring->napi);
3193 return IRQ_HANDLED;
3194}
3195
6df900e9
SC		 3196static void
3197qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3198{
3199 u32 val;
3200
3201 val = adapter->portnum & 0xf;
3202 val |= encoding << 7;
3203 val |= (jiffies - adapter->dev_rst_time) << 8;
3204
a15ebd37 3205 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 3206 adapter->dev_rst_time = jiffies;
3207}
3208
ade91f8e
AKS		 3209static int
3210qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 3211{
3212 u32 val;
3213
3214 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3215 state != QLCNIC_DEV_NEED_QUISCENT);
3216
3217 if (qlcnic_api_lock(adapter))
ade91f8e 3218 return -EIO;
af19b491 3219
a15ebd37 3220 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 3221
3222 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 3223 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 3224 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 3225 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 3226
a15ebd37 3227 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3228
3229 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 3230
3231 return 0;
af19b491
AKS		 3232}
3233
1b95a839
AKS		 3234static int
3235qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3236{
3237 u32 val;
3238
3239 if (qlcnic_api_lock(adapter))
3240 return -EBUSY;
3241
a15ebd37 3242 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3243 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3244 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 3245
3246 qlcnic_api_unlock(adapter);
3247
3248 return 0;
3249}
3250
486a5bc7 3251void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 3252{
3253 u32 val;
3254
3255 if (qlcnic_api_lock(adapter))
3256 goto err;
3257
a15ebd37 3258 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 3259 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 3260 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 3261
21854f02 3262 if (failed) {
a15ebd37
HM		 3263 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3264 QLCNIC_DEV_FAILED);
21854f02
AKS		 3265 dev_info(&adapter->pdev->dev,
3266 "Device state set to Failed. Please Reboot\n");
3267 } else if (!(val & 0x11111111))
a15ebd37
HM		 3268 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3269 QLCNIC_DEV_COLD);
af19b491 3270
a15ebd37 3271 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3272 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 3273 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3274
3275 qlcnic_api_unlock(adapter);
3276err:
3277 adapter->fw_fail_cnt = 0;
032a13c7 3278 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 3279 clear_bit(__QLCNIC_START_FW, &adapter->state);
3280 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3281}
3282
f73dfc50 3283/* Grab api lock, before checking state */
af19b491
AKS		 3284static int
3285qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3286{
602ca6f0 3287 int act, state, active_mask;
a15ebd37 3288 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 3289
a15ebd37
HM		 3290 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3291 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 3292
602ca6f0 3293 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 3294 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 3295 act = act & active_mask;
3296 }
3297
af19b491
AKS		 3298 if (((state & 0x11111111) == (act & 0x11111111)) ||
3299 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3300 return 0;
3301 else
3302 return 1;
3303}
3304
96f8118c
SC		 3305static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3306{
a15ebd37 3307 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 3308
3309 if (val != QLCNIC_DRV_IDC_VER) {
3310 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3311 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3312 }
3313
3314 return 0;
3315}
3316
af19b491
AKS		 3317static int
3318qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3319{
3320 u32 val, prev_state;
aa5e18c0 3321 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 3322 u8 portnum = adapter->portnum;
96f8118c 3323 u8 ret;
af19b491 3324
f73dfc50
AKS		 3325 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3326 return 1;
3327
af19b491
AKS		 3328 if (qlcnic_api_lock(adapter))
3329 return -1;
3330
a15ebd37 3331 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 3332 if (!(val & (1 << (portnum * 4)))) {
3333 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 3334 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 3335 }
3336
a15ebd37 3337 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 3338 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 3339
3340 switch (prev_state) {
3341 case QLCNIC_DEV_COLD:
a15ebd37
HM		 3342 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3343 QLCNIC_DEV_INITIALIZING);
3344 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3345 QLCNIC_DRV_IDC_VER);
6df900e9 3346 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3347 qlcnic_api_unlock(adapter);
3348 return 1;
3349
3350 case QLCNIC_DEV_READY:
96f8118c 3351 ret = qlcnic_check_idc_ver(adapter);
af19b491 3352 qlcnic_api_unlock(adapter);
96f8118c 3353 return ret;
af19b491
AKS		 3354
3355 case QLCNIC_DEV_NEED_RESET:
a15ebd37 3356 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3357 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 3358 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3359 break;
3360
3361 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 3362 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3363 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 3364 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3365 break;
3366
3367 case QLCNIC_DEV_FAILED:
a7fc948f 3368 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 3369 qlcnic_api_unlock(adapter);
3370 return -1;
bbd8c6a4
AKS		 3371
3372 case QLCNIC_DEV_INITIALIZING:
3373 case QLCNIC_DEV_QUISCENT:
3374 break;
af19b491
AKS		 3375 }
3376
3377 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 3378
3379 do {
af19b491 3380 msleep(1000);
a15ebd37 3381 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 3382
3383 if (prev_state == QLCNIC_DEV_QUISCENT)
3384 continue;
3385 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 3386
65b5b420
AKS		 3387 if (!dev_init_timeo) {
3388 dev_err(&adapter->pdev->dev,
3389 "Waiting for device to initialize timeout\n");
af19b491 3390 return -1;
65b5b420 3391 }
af19b491
AKS		 3392
3393 if (qlcnic_api_lock(adapter))
3394 return -1;
3395
a15ebd37 3396 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 3397 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 3398 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 3399
96f8118c 3400 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 3401 qlcnic_api_unlock(adapter);
3402
96f8118c 3403 return ret;
af19b491
AKS		 3404}
3405
3406static void
3407qlcnic_fwinit_work(struct work_struct *work)
3408{
3409 struct qlcnic_adapter *adapter = container_of(work,
3410 struct qlcnic_adapter, fw_work.work);
3c4b23b1 3411 u32 dev_state = 0xf;
7b749ff4 3412 u32 val;
af19b491 3413
f73dfc50
AKS		 3414 if (qlcnic_api_lock(adapter))
3415 goto err_ret;
af19b491 3416
a15ebd37 3417 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 3418 if (dev_state == QLCNIC_DEV_QUISCENT ||
3419 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 3420 qlcnic_api_unlock(adapter);
3421 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3422 FW_POLL_DELAY * 2);
3423 return;
3424 }
3425
79788450 3426 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 3427 qlcnic_api_unlock(adapter);
3428 goto wait_npar;
9f26f547
AC		 3429 }
3430
16e3cf73
SV		 3431 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3432 dev_state == QLCNIC_DEV_READY) {
3433 dev_info(&adapter->pdev->dev, "Detected state change from "
3434 "DEV_NEED_RESET, skipping ack check\n");
3435 goto skip_ack_check;
3436 }
3437
f73dfc50 3438 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 3439 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 3440 adapter->reset_ack_timeo);
3441 goto skip_ack_check;
3442 }
3443
3444 if (!qlcnic_check_drv_state(adapter)) {
3445skip_ack_check:
a15ebd37 3446 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 3447
f73dfc50 3448 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 3449 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3450 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 3451 set_bit(__QLCNIC_START_FW, &adapter->state);
3452 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 3453 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 3454 val = QLC_SHARED_REG_RD32(adapter,
3455 QLCNIC_CRB_DRV_STATE);
7b749ff4 3456 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 3457 QLC_SHARED_REG_WR32(adapter,
3458 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 3459 }
3460
f73dfc50
AKS		 3461 qlcnic_api_unlock(adapter);
3462
287e38aa 3463 rtnl_lock();
890b6e02 3464 if (qlcnic_check_fw_dump_state(adapter) &&
7b749ff4 3465 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 3466 QLCDB(adapter, DRV, "Take FW dump\n");
3467 qlcnic_dump_fw(adapter);
032a13c7 3468 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 3469 }
287e38aa 3470 rtnl_unlock();
7b749ff4
SV		 3471
3472 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 3473 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 3474 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3475 adapter->fw_wait_cnt = 0;
af19b491
AKS		 3476 return;
3477 }
af19b491
AKS		 3478 goto err_ret;
3479 }
3480
f73dfc50 3481 qlcnic_api_unlock(adapter);
aa5e18c0 3482
9f26f547 3483wait_npar:
a15ebd37 3484 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 3485 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 3486
af19b491 3487 switch (dev_state) {
3c4b23b1 3488 case QLCNIC_DEV_READY:
7e2cf4fe 3489 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 3490 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 3491 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 3492 return;
3493 }
3c4b23b1
AKS		 3494 case QLCNIC_DEV_FAILED:
3495 break;
3496 default:
3497 qlcnic_schedule_work(adapter,
3498 qlcnic_fwinit_work, FW_POLL_DELAY);
3499 return;
af19b491
AKS		 3500 }
3501
3502err_ret:
f73dfc50
AKS		 3503 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3504 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 3505 netif_device_attach(adapter->netdev);
21854f02 3506 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 3507}
3508
3509static void
3510qlcnic_detach_work(struct work_struct *work)
3511{
3512 struct qlcnic_adapter *adapter = container_of(work,
3513 struct qlcnic_adapter, fw_work.work);
3514 struct net_device *netdev = adapter->netdev;
3515 u32 status;
3516
3517 netif_device_detach(netdev);
3518
b8c17620
AKS		 3519 /* Dont grab rtnl lock during Quiscent mode */
3520 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3521 if (netif_running(netdev))
3522 __qlcnic_down(adapter, netdev);
3523 } else
3524 qlcnic_down(adapter, netdev);
af19b491 3525
a15ebd37 3526 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 3527
44f65b29
SC		 3528 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3529 dev_err(&adapter->pdev->dev,
3530 "Detaching the device: peg halt status1=0x%x\n",
3531 status);
3532
3533 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3534 dev_err(&adapter->pdev->dev,
3535 "On board active cooling fan failed. "
3536 "Device has been halted.\n");
3537 dev_err(&adapter->pdev->dev,
3538 "Replace the adapter.\n");
3539 }
3540
af19b491 3541 goto err_ret;
44f65b29 3542 }
af19b491 3543
79788450 3544 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 3545 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 3546 adapter->ahw->temp);
af19b491 3547 goto err_ret;
44f65b29
SC		 3548 }
3549
602ca6f0
SV		 3550 /* Dont ack if this instance is the reset owner */
3551 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 3552 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3553 dev_err(&adapter->pdev->dev,
3554 "Failed to set driver state,"
3555 "detaching the device.\n");
602ca6f0 3556 goto err_ret;
44f65b29 3557 }
602ca6f0 3558 }
af19b491
AKS		 3559
3560 adapter->fw_wait_cnt = 0;
3561
3562 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3563
3564 return;
3565
3566err_ret:
34ce3626 3567 netif_device_attach(netdev);
21854f02 3568 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 3569}
3570
3c4b23b1
AKS		 3571/*Transit NPAR state to NON Operational */
3572static void
3573qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3574{
3575 u32 state;
3576
a15ebd37 3577 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 3578 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3579 return;
3580
3581 if (qlcnic_api_lock(adapter))
3582 return;
a15ebd37
HM		 3583 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3584 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 3585 qlcnic_api_unlock(adapter);
3586}
3587
21041400 3588static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3589 u32 key)
af19b491 3590{
646779f1
SV		 3591 u32 state, xg_val = 0, gb_val = 0;
3592
3593 qlcnic_xg_set_xg0_mask(xg_val);
3594 qlcnic_xg_set_xg1_mask(xg_val);
3595 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3596 qlcnic_gb_set_gb0_mask(gb_val);
3597 qlcnic_gb_set_gb1_mask(gb_val);
3598 qlcnic_gb_set_gb2_mask(gb_val);
3599 qlcnic_gb_set_gb3_mask(gb_val);
3600 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3601 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3602 " on all ports\n");
cea8975e 3603 adapter->need_fw_reset = 1;
13159183 3604
af19b491
AKS		 3605 if (qlcnic_api_lock(adapter))
3606 return;
3607
13159183 3608 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
78ea2d97
SC		 3609
3610 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3611 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
66451615
SC		 3612 __func__);
3613 qlcnic_api_unlock(adapter);
3614
3615 return;
3616 }
af19b491 3617
f73dfc50 3618 if (state == QLCNIC_DEV_READY) {
13159183
SC		 3619 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3620 QLCNIC_DEV_NEED_RESET);
602ca6f0 3621 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 3622 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 3623 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 3624 }
3625
13159183
SC		 3626 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3627 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 3628 qlcnic_api_unlock(adapter);
3629}
3630
9f26f547
AC		 3631/* Transit to NPAR READY state from NPAR NOT READY state */
3632static void
3633qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3634{
9f26f547
AC		 3635 if (qlcnic_api_lock(adapter))
3636 return;
3637
a15ebd37
HM		 3638 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3639 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 3640 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 3641
3642 qlcnic_api_unlock(adapter);
3643}
3644
13159183
SC		 3645void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3646 work_func_t func, int delay)
af19b491 3647{
451724c8
SC		 3648 if (test_bit(__QLCNIC_AER, &adapter->state))
3649 return;
3650
af19b491 3651 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 3652 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3653 round_jiffies_relative(delay));
af19b491
AKS		 3654}
3655
3656static void
3657qlcnic_attach_work(struct work_struct *work)
3658{
3659 struct qlcnic_adapter *adapter = container_of(work,
3660 struct qlcnic_adapter, fw_work.work);
3661 struct net_device *netdev = adapter->netdev;
b18971d1 3662 u32 npar_state;
af19b491 3663
79788450 3664 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 3665 npar_state = QLC_SHARED_REG_RD32(adapter,
3666 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 3667 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3668 qlcnic_clr_all_drv_state(adapter, 0);
3669 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3670 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3671 FW_POLL_DELAY);
3672 else
3673 goto attach;
3674 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3675 return;
3676 }
3677attach:
1de899d3 3678 qlcnic_dcb_get_info(adapter->dcb);
14d385b9 3679
af19b491 3680 if (netif_running(netdev)) {
52486a3a 3681 if (qlcnic_up(adapter, netdev))
af19b491 3682 goto done;
af19b491 3683
aec1e845 3684 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3685 }
3686
af19b491 3687done:
34ce3626 3688 netif_device_attach(netdev);
af19b491 3689 adapter->fw_fail_cnt = 0;
032a13c7 3690 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3691 clear_bit(__QLCNIC_RESETTING, &adapter->state);
24866d15
HM		 3692 if (adapter->portnum == 0)
3693 qlcnic_set_drv_version(adapter);
1b95a839
AKS		 3694
3695 if (!qlcnic_clr_drv_state(adapter))
3696 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3697 FW_POLL_DELAY);
af19b491
AKS		 3698}
3699
3700static int
3701qlcnic_check_health(struct qlcnic_adapter *adapter)
3702{
891e71b1
PP		 3703 struct qlcnic_hardware_context *ahw = adapter->ahw;
3704 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
4e70812b 3705 u32 state = 0, heartbeat;
853d4bca 3706 u32 peg_status;
4bd8e738 3707 int err = 0;
af19b491
AKS		 3708
3709 if (qlcnic_check_temp(adapter))
3710 goto detach;
3711
2372a5f1 3712 if (adapter->need_fw_reset)
7e2cf4fe 3713 qlcnic_dev_request_reset(adapter, 0);
af19b491 3714
a15ebd37 3715 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3716 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3717 qlcnic_set_npar_non_operational(adapter);
af19b491 3718 adapter->need_fw_reset = 1;
b8c17620
AKS		 3719 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3720 goto detach;
af19b491 3721
a15ebd37 3722 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3723 if (heartbeat != adapter->heartbeat) {
3724 adapter->heartbeat = heartbeat;
af19b491
AKS		 3725 adapter->fw_fail_cnt = 0;
3726 if (adapter->need_fw_reset)
3727 goto detach;
68bf1c68 3728
891e71b1 3729 if (ahw->reset_context && qlcnic_auto_fw_reset)
68bf1c68 3730 qlcnic_reset_hw_context(adapter);
68bf1c68 3731
af19b491
AKS		 3732 return 0;
3733 }
3734
3735 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3736 return 0;
3737
032a13c7
SV		 3738 adapter->flags |= QLCNIC_FW_HANG;
3739
7e2cf4fe 3740 qlcnic_dev_request_reset(adapter, 0);
af19b491 3741
099f7aa7 3742 if (qlcnic_auto_fw_reset)
0df170b6 3743 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3744
853d4bca 3745 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3746 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3747 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3748 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3749 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3750 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3751 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3752 peg_status,
3753 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
4bd8e738
HM		 3754 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3755 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3756 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3757 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3758 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
97048a1f 3759 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3760 dev_err(&adapter->pdev->dev,
3761 "Firmware aborted with error code 0x00006700. "
3762 "Device is being reset.\n");
af19b491
AKS		 3763detach:
3764 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3765 QLCNIC_DEV_NEED_RESET;
3766
099f7aa7
SC		 3767 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3768 &adapter->state)) {
65b5b420 3769
af19b491 3770 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420 3771 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
891e71b1
PP		 3772 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3773 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3774 qlcnic_dump_fw(adapter);
65b5b420 3775 }
af19b491
AKS		 3776
3777 return 1;
3778}
3779
486a5bc7 3780void qlcnic_fw_poll_work(struct work_struct *work)
af19b491
AKS		 3781{
3782 struct qlcnic_adapter *adapter = container_of(work,
3783 struct qlcnic_adapter, fw_work.work);
3784
3785 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3786 goto reschedule;
3787
3788
3789 if (qlcnic_check_health(adapter))
3790 return;
3791
b5e5492c
AKS		 3792 if (adapter->fhash.fnum)
3793 qlcnic_prune_lb_filters(adapter);
3794
af19b491
AKS		 3795reschedule:
3796 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3797}
3798
451724c8
SC		 3799static int qlcnic_is_first_func(struct pci_dev *pdev)
3800{
3801 struct pci_dev *oth_pdev;
3802 int val = pdev->devfn;
3803
3804 while (val-- > 0) {
3805 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3806 (pdev->bus), pdev->bus->number,
3807 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3808 if (!oth_pdev)
3809 continue;
451724c8 3810
bfc978fa
AKS		 3811 if (oth_pdev->current_state != PCI_D3cold) {
3812 pci_dev_put(oth_pdev);
451724c8 3813 return 0;
bfc978fa
AKS		 3814 }
3815 pci_dev_put(oth_pdev);
451724c8
SC		 3816 }
3817 return 1;
3818}
3819
3820static int qlcnic_attach_func(struct pci_dev *pdev)
3821{
3822 int err, first_func;
3823 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3824 struct net_device *netdev = adapter->netdev;
3825
3826 pdev->error_state = pci_channel_io_normal;
3827
3828 err = pci_enable_device(pdev);
3829 if (err)
3830 return err;
3831
451724c8
SC		 3832 pci_set_master(pdev);
3833 pci_restore_state(pdev);
3834
3835 first_func = qlcnic_is_first_func(pdev);
3836
3837 if (qlcnic_api_lock(adapter))
3838 return -EINVAL;
3839
79788450 3840 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3841 adapter->need_fw_reset = 1;
3842 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3843 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3844 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3845 QLCDB(adapter, DRV, "Restarting fw\n");
3846 }
3847 qlcnic_api_unlock(adapter);
3848
13159183 3849 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3850 if (err)
3851 return err;
3852
3853 qlcnic_clr_drv_state(adapter);
13159183
SC		 3854 kfree(adapter->msix_entries);
3855 adapter->msix_entries = NULL;
34e8c406 3856 err = qlcnic_setup_intr(adapter);
13159183 3857
9a97e705
M		 3858 if (err) {
3859 kfree(adapter->msix_entries);
3860 netdev_err(netdev, "failed to setup interrupt\n");
3861 return err;
3862 }
3863
451724c8
SC		 3864 if (netif_running(netdev)) {
3865 err = qlcnic_attach(adapter);
3866 if (err) {
21854f02 3867 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3868 clear_bit(__QLCNIC_AER, &adapter->state);
3869 netif_device_attach(netdev);
3870 return err;
3871 }
3872
3873 err = qlcnic_up(adapter, netdev);
3874 if (err)
3875 goto done;
3876
aec1e845 3877 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3878 }
3879 done:
3880 netif_device_attach(netdev);
3881 return err;
3882}
3883
21041400 3884static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3885 pci_channel_state_t state)
451724c8
SC		 3886{
3887 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3888 struct net_device *netdev = adapter->netdev;
3889
3890 if (state == pci_channel_io_perm_failure)
3891 return PCI_ERS_RESULT_DISCONNECT;
3892
3893 if (state == pci_channel_io_normal)
3894 return PCI_ERS_RESULT_RECOVERED;
3895
3896 set_bit(__QLCNIC_AER, &adapter->state);
3897 netif_device_detach(netdev);
3898
3899 cancel_delayed_work_sync(&adapter->fw_work);
3900
3901 if (netif_running(netdev))
3902 qlcnic_down(adapter, netdev);
3903
3904 qlcnic_detach(adapter);
3905 qlcnic_teardown_intr(adapter);
3906
3907 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3908
3909 pci_save_state(pdev);
3910 pci_disable_device(pdev);
3911
3912 return PCI_ERS_RESULT_NEED_RESET;
3913}
3914
21041400 3915static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
451724c8 3916{
50d65d78
HFS		 3917 pci_ers_result_t res;
3918
3919 rtnl_lock();
3920 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3921 PCI_ERS_RESULT_RECOVERED;
3922 rtnl_unlock();
3923
3924 return res;
451724c8
SC		 3925}
3926
21041400 3927static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
451724c8 3928{
a15ebd37 3929 u32 state;
451724c8
SC		 3930 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3931
a15ebd37
HM		 3932 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3933 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3934 &adapter->state))
451724c8 3935 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
4460f2e8 3936 FW_POLL_DELAY);
451724c8
SC		 3937}
3938
4460f2e8
PP		 3939static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3940 pci_channel_state_t state)
3941{
3942 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3943 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3944
3945 if (hw_ops->io_error_detected) {
3946 return hw_ops->io_error_detected(pdev, state);
3947 } else {
3948 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3949 return PCI_ERS_RESULT_DISCONNECT;
3950 }
3951}
3952
3953static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3954{
3955 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3956 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3957
3958 if (hw_ops->io_slot_reset) {
3959 return hw_ops->io_slot_reset(pdev);
3960 } else {
3961 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3962 return PCI_ERS_RESULT_DISCONNECT;
3963 }
3964}
3965
3966static void qlcnic_io_resume(struct pci_dev *pdev)
3967{
3968 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3969 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3970
3971 if (hw_ops->io_resume)
3972 hw_ops->io_resume(pdev);
3973 else
3974 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3975}
3976
3977
87eb743b
AC		 3978static int
3979qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3980{
3981 int err;
3982
3983 err = qlcnic_can_start_firmware(adapter);
3984 if (err)
3985 return err;
3986
78f84e1a
AKS		 3987 err = qlcnic_check_npar_opertional(adapter);
3988 if (err)
3989 return err;
3c4b23b1 3990
174240a8
RB		 3991 err = qlcnic_initialize_nic(adapter);
3992 if (err)
3993 return err;
3994
87eb743b
AC		 3995 qlcnic_check_options(adapter);
3996
7373373d
RB		 3997 err = qlcnic_set_eswitch_port_config(adapter);
3998 if (err)
3999 return err;
4000
87eb743b
AC		 4001 adapter->need_fw_reset = 0;
4002
4003 return err;
4004}
4005
34e8c406
HM		 4006int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4007 int queue_type)
aa4a1f7d
HM		 4008{
4009 struct net_device *netdev = adapter->netdev;
34e8c406 4010 char buf[8];
34e8c406 4011
8eb08cf8 4012 if (queue_type == QLCNIC_RX_QUEUE)
34e8c406 4013 strcpy(buf, "SDS");
8eb08cf8 4014 else
34e8c406 4015 strcpy(buf, "Tx");
aa4a1f7d 4016
34e8c406
HM		 4017 if (!is_power_of_2(ring_cnt)) {
4018 netdev_err(netdev, "%s rings value should be a power of 2\n",
4019 buf);
aa4a1f7d
HM		 4020 return -EINVAL;
4021 }
4022
34e8c406
HM		 4023 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4024 !qlcnic_check_multi_tx(adapter)) {
4025 netdev_err(netdev, "No Multi Tx queue support\n");
4026 return -EINVAL;
f94bc1e7
SC		 4027 }
4028
34e8c406
HM		 4029 if (ring_cnt > num_online_cpus()) {
4030 netdev_err(netdev,
4031 "%s value[%u] should not be higher than, number of online CPUs\n",
4032 buf, num_online_cpus());
f94bc1e7
SC		 4033 return -EINVAL;
4034 }
34e8c406 4035
f94bc1e7 4036 return 0;
f94bc1e7
SC		 4037}
4038
cb9327d5 4039int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
f94bc1e7
SC		 4040{
4041 struct net_device *netdev = adapter->netdev;
84d7ad2c 4042 u8 tx_rings, rx_rings;
34e8c406 4043 int err;
f94bc1e7 4044
319ecf12
SC		 4045 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4046 return -EBUSY;
4047
84d7ad2c
SS		 4048 tx_rings = adapter->drv_tss_rings;
4049 rx_rings = adapter->drv_rss_rings;
4050
f94bc1e7 4051 netif_device_detach(netdev);
84d7ad2c
SS		 4052
4053 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4054 if (err)
4055 goto done;
4056
f94bc1e7
SC		 4057 if (netif_running(netdev))
4058 __qlcnic_down(adapter, netdev);
13159183 4059
7dd90cf1
SC		 4060 qlcnic_detach(adapter);
4061
7ed3ce48 4062 if (qlcnic_83xx_check(adapter)) {
13159183 4063 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 4064 qlcnic_83xx_enable_mbx_poll(adapter);
4065 }
13159183 4066
f94bc1e7 4067 qlcnic_teardown_intr(adapter);
aa4a1f7d 4068
34e8c406 4069 err = qlcnic_setup_intr(adapter);
9a97e705
M		 4070 if (err) {
4071 kfree(adapter->msix_entries);
4072 netdev_err(netdev, "failed to setup interrupt\n");
4073 return err;
4074 }
f94bc1e7 4075
84d7ad2c
SS		 4076 /* Check if we need to update real_num_{tx|rx}_queues because
4077 * qlcnic_setup_intr() may change Tx/Rx rings size
4078 */
4079 if ((tx_rings != adapter->drv_tx_rings) ||
4080 (rx_rings != adapter->drv_sds_rings)) {
4081 err = qlcnic_set_real_num_queues(adapter,
4082 adapter->drv_tx_rings,
4083 adapter->drv_sds_rings);
4084 if (err)
4085 goto done;
4086 }
cb9327d5 4087
13159183 4088 if (qlcnic_83xx_check(adapter)) {
9b0fff2a 4089 qlcnic_83xx_initialize_nic(adapter, 1);
13159183 4090 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 4091 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 4092 if (err) {
4093 dev_err(&adapter->pdev->dev,
4094 "failed to setup mbx interrupt\n");
4095 goto done;
4096 }
f94bc1e7
SC		 4097 }
4098
4099 if (netif_running(netdev)) {
4100 err = qlcnic_attach(adapter);
4101 if (err)
4102 goto done;
4103 err = __qlcnic_up(adapter, netdev);
4104 if (err)
4105 goto done;
4106 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4107 }
aa4a1f7d 4108done:
f94bc1e7
SC		 4109 netif_device_attach(netdev);
4110 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4111 return err;
4112}
4113
af19b491
AKS		 4114#ifdef CONFIG_INET
4115
4116#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4117
af19b491 4118static void
aec1e845
AKS		 4119qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4120 struct net_device *dev, unsigned long event)
af19b491 4121{
cb8f1478 4122 const struct in_ifaddr *ifa;
af19b491 4123 struct in_device *indev;
af19b491 4124
af19b491
AKS		 4125 indev = in_dev_get(dev);
4126 if (!indev)
4127 return;
4128
cb8f1478 4129 in_dev_for_each_ifa_rtnl(ifa, indev) {
af19b491
AKS		 4130 switch (event) {
4131 case NETDEV_UP:
4132 qlcnic_config_ipaddr(adapter,
4133 ifa->ifa_address, QLCNIC_IP_UP);
4134 break;
4135 case NETDEV_DOWN:
4136 qlcnic_config_ipaddr(adapter,
4137 ifa->ifa_address, QLCNIC_IP_DOWN);
4138 break;
4139 default:
4140 break;
4141 }
cb8f1478 4142 }
af19b491
AKS		 4143
4144 in_dev_put(indev);
af19b491
AKS		 4145}
4146
319ecf12 4147void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 4148{
4149 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4150 struct net_device *dev;
4151 u16 vid;
4152
4153 qlcnic_config_indev_addr(adapter, netdev, event);
4154
43c00a75 4155 rcu_read_lock();
b9796a14 4156 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
f06c7f9f 4157 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 4158 if (!dev)
4159 continue;
aec1e845
AKS		 4160 qlcnic_config_indev_addr(adapter, dev, event);
4161 }
43c00a75 4162 rcu_read_unlock();
aec1e845
AKS		 4163}
4164
af19b491
AKS		 4165static int qlcnic_netdev_event(struct notifier_block *this,
4166 unsigned long event, void *ptr)
4167{
4168 struct qlcnic_adapter *adapter;
351638e7 4169 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
af19b491
AKS		 4170
4171recheck:
4172 if (dev == NULL)
4173 goto done;
4174
d0d7b10b 4175 if (is_vlan_dev(dev)) {
af19b491
AKS		 4176 dev = vlan_dev_real_dev(dev);
4177 goto recheck;
4178 }
4179
4180 if (!is_qlcnic_netdev(dev))
4181 goto done;
4182
4183 adapter = netdev_priv(dev);
4184
4185 if (!adapter)
4186 goto done;
4187
8a15ad1f 4188 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4189 goto done;
4190
aec1e845 4191 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 4192done:
4193 return NOTIFY_DONE;
4194}
4195
4196static int
4197qlcnic_inetaddr_event(struct notifier_block *this,
4198 unsigned long event, void *ptr)
4199{
4200 struct qlcnic_adapter *adapter;
4201 struct net_device *dev;
4202
4203 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4204
4205 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4206
4207recheck:
aec1e845 4208 if (dev == NULL)
af19b491
AKS		 4209 goto done;
4210
d0d7b10b 4211 if (is_vlan_dev(dev)) {
af19b491
AKS		 4212 dev = vlan_dev_real_dev(dev);
4213 goto recheck;
4214 }
4215
4216 if (!is_qlcnic_netdev(dev))
4217 goto done;
4218
4219 adapter = netdev_priv(dev);
4220
251a84c9 4221 if (!adapter)
af19b491
AKS		 4222 goto done;
4223
8a15ad1f 4224 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 4225 goto done;
4226
4227 switch (event) {
4228 case NETDEV_UP:
4229 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 4230
af19b491
AKS		 4231 break;
4232 case NETDEV_DOWN:
4233 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 4234
af19b491
AKS		 4235 break;
4236 default:
4237 break;
4238 }
4239
4240done:
4241 return NOTIFY_DONE;
4242}
4243
4244static struct notifier_block qlcnic_netdev_cb = {
4245 .notifier_call = qlcnic_netdev_event,
4246};
4247
4248static struct notifier_block qlcnic_inetaddr_cb = {
4249 .notifier_call = qlcnic_inetaddr_event,
4250};
4251#else
f8ca2b6f 4252void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 4253{ }
4254#endif
fec9dd15 4255static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 4256 .error_detected = qlcnic_io_error_detected,
4257 .slot_reset = qlcnic_io_slot_reset,
4258 .resume = qlcnic_io_resume,
4259};
af19b491
AKS		 4260
4261static struct pci_driver qlcnic_driver = {
4262 .name = qlcnic_driver_name,
4263 .id_table = qlcnic_pci_tbl,
4264 .probe = qlcnic_probe,
6bb58bb0 4265 .remove = qlcnic_remove,
af19b491
AKS		 4266#ifdef CONFIG_PM
4267 .suspend = qlcnic_suspend,
4268 .resume = qlcnic_resume,
4269#endif
451724c8 4270 .shutdown = qlcnic_shutdown,
02feda17
RB		 4271 .err_handler = &qlcnic_err_handler,
4272#ifdef CONFIG_QLCNIC_SRIOV
4273 .sriov_configure = qlcnic_pci_sriov_configure,
4274#endif
451724c8 4275
af19b491
AKS		 4276};
4277
4278static int __init qlcnic_init_module(void)
4279{
0cf3a14c 4280 int ret;
af19b491
AKS		 4281
4282 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4283
4284#ifdef CONFIG_INET
4285 register_netdevice_notifier(&qlcnic_netdev_cb);
4286 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4287#endif
4288
0cf3a14c
AKS		 4289 ret = pci_register_driver(&qlcnic_driver);
4290 if (ret) {
4291#ifdef CONFIG_INET
4292 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4293 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4294#endif
4295 }
af19b491 4296
0cf3a14c 4297 return ret;
af19b491
AKS		 4298}
4299
4300module_init(qlcnic_init_module);
4301
4302static void __exit qlcnic_exit_module(void)
4303{
af19b491
AKS		 4304 pci_unregister_driver(&qlcnic_driver);
4305
4306#ifdef CONFIG_INET
4307 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4308 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4309#endif
4310}
4311
4312module_exit(qlcnic_exit_module);
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