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qlcnic: Support SR-IOV enable and disable
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
af19b491 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;
af19b491 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;
af19b491 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;
4d5bdb38 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
629263ac 55int qlcnic_config_npars;
b11a25aa 56module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 57MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
58
1dd06ae8 59static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 60static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 61static int qlcnic_open(struct net_device *netdev);
62static int qlcnic_close(struct net_device *netdev);
af19b491 63static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 64static void qlcnic_attach_work(struct work_struct *work);
65static void qlcnic_fwinit_work(struct work_struct *work);
66static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 67#ifdef CONFIG_NET_POLL_CONTROLLER
68static void qlcnic_poll_controller(struct net_device *netdev);
69#endif
70
6df900e9 71static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 72static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 73static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
74
7eb9855d 75static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 76static irqreturn_t qlcnic_intr(int irq, void *data);
77static irqreturn_t qlcnic_msi_intr(int irq, void *data);
78static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 79static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 80
81static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 82static int qlcnic_start_firmware(struct qlcnic_adapter *);
83
b5e5492c 84static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 85static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 86static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 87static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
88 struct qlcnic_esw_func_cfg *);
8e586137
JP		 89static int qlcnic_vlan_rx_add(struct net_device *, u16);
90static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 91
bff57d8e
SC		 92#define QLCNIC_IS_TSO_CAPABLE(adapter) \
93 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
94
13159183
SC		 95static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
96{
97 struct qlcnic_hardware_context *ahw = adapter->ahw;
98
99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
101 else
102 return 1;
103}
104
af19b491
AKS		 105/* PCI Device ID Table */
106#define ENTRY(device) \
107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
109
6a902881 110static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
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
SC		 157static const struct qlcnic_board_info qlcnic_boards[] = {
158 {0x1077, 0x8020, 0x1077, 0x203,
159 "8200 Series Single Port 10GbE Converged Network Adapter"
160 "(TCP/IP Networking)"},
161 {0x1077, 0x8020, 0x1077, 0x207,
162 "8200 Series Dual Port 10GbE Converged Network Adapter"
163 "(TCP/IP Networking)"},
164 {0x1077, 0x8020, 0x1077, 0x20b,
165 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
166 {0x1077, 0x8020, 0x1077, 0x20c,
167 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
168 {0x1077, 0x8020, 0x1077, 0x20f,
169 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
170 {0x1077, 0x8020, 0x103c, 0x3733,
171 "NC523SFP 10Gb 2-port Server Adapter"},
172 {0x1077, 0x8020, 0x103c, 0x3346,
173 "CN1000Q Dual Port Converged Network Adapter"},
174 {0x1077, 0x8020, 0x1077, 0x210,
175 "QME8242-k 10GbE Dual Port Mezzanine Card"},
176 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
177};
178
179#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 180#define QLC_MAX_SDS_RINGS 8
22999798 181
af19b491
AKS		 182static const
183struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
184
c70001a9 185int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 186{
187 int size = sizeof(struct qlcnic_host_sds_ring) * count;
188
189 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
190
807540ba 191 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 192}
193
c70001a9 194void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 195{
196 if (recv_ctx->sds_rings != NULL)
197 kfree(recv_ctx->sds_rings);
198
199 recv_ctx->sds_rings = NULL;
200}
201
af19b491
AKS		 202static int
203qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
204{
2e9d722d 205 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 206 struct net_device *netdev = adapter->netdev;
207 struct pci_dev *pdev = adapter->pdev;
208
da48e6c3 209 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 210 return -EIO;
211
2e9d722d 212 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 213 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
214
215 /* set station address */
216
aaeb6cdf 217 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 218 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
219 netdev->dev_addr);
220
221 return 0;
222}
223
224static int qlcnic_set_mac(struct net_device *netdev, void *p)
225{
226 struct qlcnic_adapter *adapter = netdev_priv(netdev);
227 struct sockaddr *addr = p;
228
7373373d
RB		 229 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
230 return -EOPNOTSUPP;
231
af19b491 232 if (!is_valid_ether_addr(addr->sa_data))
13159183 233 return -EINVAL;
af19b491 234
8a15ad1f 235 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 236 netif_device_detach(netdev);
237 qlcnic_napi_disable(adapter);
238 }
239
240 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
241 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
242 qlcnic_set_multi(adapter->netdev);
243
8a15ad1f 244 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 245 netif_device_attach(netdev);
246 qlcnic_napi_enable(adapter);
247 }
248 return 0;
249}
250
1690be63
VY		 251static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
252 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 253{
254 struct qlcnic_adapter *adapter = netdev_priv(netdev);
255 int err = -EOPNOTSUPP;
256
3e5c112f
VY		 257 if (!adapter->fdb_mac_learn)
258 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 259
260 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
261 if (is_unicast_ether_addr(addr))
262 err = qlcnic_nic_del_mac(adapter, addr);
263 else if (is_multicast_ether_addr(addr))
264 err = dev_mc_del(netdev, addr);
265 else
266 err = -EINVAL;
267 }
268 return err;
269}
270
271static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
272 struct net_device *netdev,
273 const unsigned char *addr, u16 flags)
274{
275 struct qlcnic_adapter *adapter = netdev_priv(netdev);
276 int err = 0;
277
3e5c112f
VY		 278 if (!adapter->fdb_mac_learn)
279 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 280
281 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
282 pr_info("%s: FDB e-switch is not enabled\n", __func__);
283 return -EOPNOTSUPP;
284 }
285
286 if (ether_addr_equal(addr, adapter->mac_addr))
287 return err;
288
289 if (is_unicast_ether_addr(addr))
290 err = qlcnic_nic_add_mac(adapter, addr);
291 else if (is_multicast_ether_addr(addr))
292 err = dev_mc_add_excl(netdev, addr);
293 else
294 err = -EINVAL;
295
296 return err;
297}
298
299static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
300 struct net_device *netdev, int idx)
301{
302 struct qlcnic_adapter *adapter = netdev_priv(netdev);
303
3e5c112f
VY		 304 if (!adapter->fdb_mac_learn)
305 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 306
307 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
308 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
309
310 return idx;
311}
312
7e2cf4fe
SC		 313static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
314{
315 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
316 usleep_range(10000, 11000);
317
318 cancel_delayed_work_sync(&adapter->fw_work);
319}
320
af19b491
AKS		 321static const struct net_device_ops qlcnic_netdev_ops = {
322 .ndo_open = qlcnic_open,
323 .ndo_stop = qlcnic_close,
324 .ndo_start_xmit = qlcnic_xmit_frame,
325 .ndo_get_stats = qlcnic_get_stats,
326 .ndo_validate_addr = eth_validate_addr,
afc4b13d 327 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 328 .ndo_set_mac_address = qlcnic_set_mac,
329 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 330 .ndo_fix_features = qlcnic_fix_features,
331 .ndo_set_features = qlcnic_set_features,
af19b491 332 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 333 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
334 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 335 .ndo_fdb_add = qlcnic_fdb_add,
336 .ndo_fdb_del = qlcnic_fdb_del,
337 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 338#ifdef CONFIG_NET_POLL_CONTROLLER
339 .ndo_poll_controller = qlcnic_poll_controller,
340#endif
341};
342
b43e5ee7
SC		 343static const struct net_device_ops qlcnic_netdev_failed_ops = {
344 .ndo_open = qlcnic_open,
345};
346
2e9d722d 347static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 348 .config_bridged_mode = qlcnic_config_bridged_mode,
349 .config_led = qlcnic_82xx_config_led,
350 .start_firmware = qlcnic_82xx_start_firmware,
351 .request_reset = qlcnic_82xx_dev_request_reset,
352 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
353 .napi_add = qlcnic_82xx_napi_add,
4be41e92 354 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 355 .config_ipaddr = qlcnic_82xx_config_ipaddr,
356 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
357};
358
359struct qlcnic_nic_template qlcnic_vf_ops = {
360 .config_bridged_mode = qlcnicvf_config_bridged_mode,
361 .config_led = qlcnicvf_config_led,
362 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 363};
364
7e2cf4fe
SC		 365static struct qlcnic_hardware_ops qlcnic_hw_ops = {
366 .read_crb = qlcnic_82xx_read_crb,
367 .write_crb = qlcnic_82xx_write_crb,
368 .read_reg = qlcnic_82xx_hw_read_wx_2M,
369 .write_reg = qlcnic_82xx_hw_write_wx_2M,
370 .get_mac_address = qlcnic_82xx_get_mac_address,
371 .setup_intr = qlcnic_82xx_setup_intr,
372 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
373 .mbx_cmd = qlcnic_82xx_issue_cmd,
374 .get_func_no = qlcnic_82xx_get_func_no,
375 .api_lock = qlcnic_82xx_api_lock,
376 .api_unlock = qlcnic_82xx_api_unlock,
377 .add_sysfs = qlcnic_82xx_add_sysfs,
378 .remove_sysfs = qlcnic_82xx_remove_sysfs,
379 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
380 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
381 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
382 .setup_link_event = qlcnic_82xx_linkevent_request,
383 .get_nic_info = qlcnic_82xx_get_nic_info,
384 .get_pci_info = qlcnic_82xx_get_pci_info,
385 .set_nic_info = qlcnic_82xx_set_nic_info,
386 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
387 .napi_enable = qlcnic_82xx_napi_enable,
388 .napi_disable = qlcnic_82xx_napi_disable,
389 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
390 .config_rss = qlcnic_82xx_config_rss,
391 .config_hw_lro = qlcnic_82xx_config_hw_lro,
392 .config_loopback = qlcnic_82xx_set_lb_mode,
393 .clear_loopback = qlcnic_82xx_clear_lb_mode,
394 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
395 .change_l2_filter = qlcnic_82xx_change_filter,
396 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 397};
398
7f966452 399int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 400{
af19b491 401 struct pci_dev *pdev = adapter->pdev;
13159183
SC		 402 int err = -1, i;
403 int max_tx_rings;
404
405 if (!adapter->msix_entries) {
406 adapter->msix_entries = kcalloc(num_msix,
407 sizeof(struct msix_entry),
408 GFP_KERNEL);
b2adaca9 409 if (!adapter->msix_entries)
13159183 410 return -ENOMEM;
13159183 411 }
af19b491
AKS		 412
413 adapter->max_sds_rings = 1;
af19b491 414 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 415
79788450 416 if (adapter->ahw->msix_supported) {
f94bc1e7 417 enable_msix:
13159183
SC		 418 for (i = 0; i < num_msix; i++)
419 adapter->msix_entries[i].entry = i;
af19b491
AKS		 420 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
421 if (err == 0) {
422 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 423 if (qlcnic_83xx_check(adapter)) {
424 adapter->ahw->num_msix = num_msix;
425 /* subtract mail box and tx ring vectors */
426 max_tx_rings = adapter->max_drv_tx_rings;
427 adapter->max_sds_rings = num_msix -
428 max_tx_rings - 1;
429 } else {
430 adapter->max_sds_rings = num_msix;
431 }
af19b491 432 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 433 return err;
13159183
SC		 434 } else if (err > 0) {
435 dev_info(&pdev->dev,
436 "Unable to allocate %d MSI-X interrupt vectors\n",
437 num_msix);
438 if (qlcnic_83xx_check(adapter)) {
439 if (err < QLC_83XX_MINIMUM_VECTOR)
440 return err;
441 err -= (adapter->max_drv_tx_rings + 1);
442 num_msix = rounddown_pow_of_two(err);
443 num_msix += (adapter->max_drv_tx_rings + 1);
444 } else {
445 num_msix = rounddown_pow_of_two(err);
446 }
447
448 if (num_msix) {
449 dev_info(&pdev->dev,
dce056cb 450 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 451 num_msix);
f94bc1e7 452 goto enable_msix;
13159183
SC		 453 }
454 } else {
dce056cb
MC		 455 dev_info(&pdev->dev,
456 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 457 num_msix);
f94bc1e7
SC		 458 }
459 }
13159183 460
f94bc1e7
SC		 461 return err;
462}
af19b491 463
9a97e705 464static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 465{
9a97e705 466 int err = 0;
15087c2b 467 u32 offset, mask_reg;
f94bc1e7 468 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 469 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 470 struct pci_dev *pdev = adapter->pdev;
af19b491 471
099f7aa7 472 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 473 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 474 offset = msi_tgt_status[adapter->ahw->pci_func];
475 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
476 offset);
af19b491
AKS		 477 dev_info(&pdev->dev, "using msi interrupts\n");
478 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 479 return err;
af19b491 480 }
9a97e705
M		 481 if (qlcnic_use_msi || qlcnic_use_msi_x)
482 return -EOPNOTSUPP;
af19b491 483
f94bc1e7 484 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 485 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 486 offset = legacy_intrp->tgt_status_reg;
487 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
488 mask_reg = legacy_intrp->tgt_mask_reg;
489 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
490 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
491 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 492 dev_info(&pdev->dev, "using legacy interrupts\n");
493 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 494 return err;
af19b491
AKS		 495}
496
7e2cf4fe 497int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 498{
9a97e705 499 int num_msix, err = 0;
f94bc1e7 500
7e2cf4fe
SC		 501 if (!num_intr)
502 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
503
504 if (adapter->ahw->msix_supported)
5f6ec29a 505 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 506 num_intr));
507 else
f94bc1e7
SC		 508 num_msix = 1;
509
7e2cf4fe
SC		 510 err = qlcnic_enable_msix(adapter, num_msix);
511 if (err == -ENOMEM || !err)
512 return err;
f94bc1e7 513
9a97e705
M		 514 err = qlcnic_enable_msi_legacy(adapter);
515 if (!err)
516 return err;
517
518 return -EIO;
f94bc1e7 519}
13159183 520
319ecf12 521void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 522{
523 if (adapter->flags & QLCNIC_MSIX_ENABLED)
524 pci_disable_msix(adapter->pdev);
525 if (adapter->flags & QLCNIC_MSI_ENABLED)
526 pci_disable_msi(adapter->pdev);
13159183
SC		 527
528 kfree(adapter->msix_entries);
529 adapter->msix_entries = NULL;
530
531 if (adapter->ahw->intr_tbl) {
532 vfree(adapter->ahw->intr_tbl);
533 adapter->ahw->intr_tbl = NULL;
534 }
af19b491
AKS		 535}
536
537static void
538qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
539{
b1fc6d3c
AC		 540 if (adapter->ahw->pci_base0 != NULL)
541 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 542}
543
7e2cf4fe
SC		 544static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
545{
546 struct qlcnic_pci_info *pci_info;
547 int ret;
548
549 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
550 switch (adapter->ahw->port_type) {
551 case QLCNIC_GBE:
552 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
553 break;
554 case QLCNIC_XGBE:
555 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
556 break;
557 }
558 return 0;
559 }
560
561 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
562 return 0;
563
564 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
565 if (!pci_info)
566 return -ENOMEM;
567
568 ret = qlcnic_get_pci_info(adapter, pci_info);
569 kfree(pci_info);
570 return ret;
571}
d71170fb
SC		 572
573int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 574{
e88db3bd 575 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 576 int i, ret = 0, j = 0;
577 u16 act_pci_func;
346fe763
RB		 578 u8 pfn;
579
e88db3bd
DC		 580 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
581 if (!pci_info)
582 return -ENOMEM;
583
bff57d8e
SC		 584 ret = qlcnic_get_pci_info(adapter, pci_info);
585 if (ret)
586 goto err_pci_info;
587
588 act_pci_func = adapter->ahw->act_pci_func;
589
ca315ac2 590 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 591 act_pci_func, GFP_KERNEL);
e88db3bd 592 if (!adapter->npars) {
900853a4 593 ret = -ENOMEM;
e88db3bd
DC		 594 goto err_pci_info;
595 }
346fe763 596
ca315ac2 597 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 598 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
599 if (!adapter->eswitch) {
900853a4 600 ret = -ENOMEM;
ca315ac2 601 goto err_npars;
346fe763
RB		 602 }
603
ca315ac2
DC		 604 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
605 pfn = pci_info[i].id;
bff57d8e 606
0f6efff9 607 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 608 ret = QL_STATUS_INVALID_PARAM;
609 goto err_eswitch;
610 }
bff57d8e
SC		 611
612 if (!pci_info[i].active ||
613 (pci_info[i].type != QLCNIC_TYPE_NIC))
614 continue;
615
616 adapter->npars[j].pci_func = pfn;
617 adapter->npars[j].active = (u8)pci_info[i].active;
618 adapter->npars[j].type = (u8)pci_info[i].type;
619 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
620 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
621 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
622 j++;
346fe763
RB		 623 }
624
13159183 625 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 626 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 627 if (qlcnic_83xx_check(adapter))
628 qlcnic_enable_eswitch(adapter, i, 1);
629 }
ca315ac2 630
e88db3bd 631 kfree(pci_info);
ca315ac2
DC		 632 return 0;
633
634err_eswitch:
346fe763
RB		 635 kfree(adapter->eswitch);
636 adapter->eswitch = NULL;
ca315ac2 637err_npars:
346fe763 638 kfree(adapter->npars);
ca315ac2 639 adapter->npars = NULL;
e88db3bd
DC		 640err_pci_info:
641 kfree(pci_info);
346fe763
RB		 642
643 return ret;
644}
645
2e9d722d
AC		 646static int
647qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
648{
649 u8 id;
2e9d722d
AC		 650 int i, ret = 1;
651 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 652 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 653
2e9d722d
AC		 654 ret = qlcnic_api_lock(adapter);
655 if (ret)
656 goto err_lock;
2e9d722d 657
0e33c664 658 if (qlcnic_config_npars) {
bff57d8e
SC		 659 for (i = 0; i < ahw->act_pci_func; i++) {
660 id = adapter->npars[i].pci_func;
661 if (id == ahw->pci_func)
0e33c664
AC		 662 continue;
663 data |= (qlcnic_config_npars &
664 QLC_DEV_SET_DRV(0xf, id));
665 }
666 } else {
a15ebd37 667 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 668 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 669 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 670 ahw->pci_func));
2e9d722d 671 }
a15ebd37 672 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 673 qlcnic_api_unlock(adapter);
674err_lock:
675 return ret;
676}
677
13159183
SC		 678static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
679 const struct pci_device_id *ent)
2e9d722d 680{
2e9d722d
AC		 681 u32 op_mode, priv_level;
682
683 /* Determine FW API version */
13159183
SC		 684 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
685 QLCNIC_FW_API);
2e9d722d
AC		 686
687 /* Find PCI function number */
13159183 688 qlcnic_get_func_no(adapter);
2e9d722d
AC		 689
690 /* Determine function privilege level */
13159183 691 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 692 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 693 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 694 else
b1fc6d3c 695 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 696
0866d96d 697 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 698 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 699 dev_info(&adapter->pdev->dev,
700 "HAL Version: %d Non Privileged function\n",
79788450 701 adapter->ahw->fw_hal_version);
9f26f547 702 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 703 } else
704 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 705}
706
15087c2b 707#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 708#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 709static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
710{
711 switch (dev_id) {
712 case PCI_DEVICE_ID_QLOGIC_QLE824X:
713 *bar = QLCNIC_82XX_BAR0_LENGTH;
714 break;
13159183
SC		 715 case PCI_DEVICE_ID_QLOGIC_QLE834X:
716 *bar = QLCNIC_83XX_BAR0_LENGTH;
717 break;
15087c2b
SC		 718 default:
719 *bar = 0;
720 }
721}
722
723static int qlcnic_setup_pci_map(struct pci_dev *pdev,
724 struct qlcnic_hardware_context *ahw)
af19b491 725{
15087c2b 726 u32 offset;
af19b491 727 void __iomem *mem_ptr0 = NULL;
15087c2b 728 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 729
af19b491 730 /* remap phys address */
af19b491
AKS		 731 mem_len = pci_resource_len(pdev, 0);
732
15087c2b
SC		 733 qlcnic_get_bar_length(pdev->device, &bar0_len);
734 if (mem_len >= bar0_len) {
af19b491
AKS		 735
736 mem_ptr0 = pci_ioremap_bar(pdev, 0);
737 if (mem_ptr0 == NULL) {
738 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
739 return -EIO;
740 }
741 pci_len0 = mem_len;
742 } else {
743 return -EIO;
744 }
745
746 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 747
15087c2b
SC		 748 ahw->pci_base0 = mem_ptr0;
749 ahw->pci_len0 = pci_len0;
750 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
751 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 752
753 return 0;
754}
755
22999798 756static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 757{
758 struct pci_dev *pdev = adapter->pdev;
759 int i, found = 0;
760
761 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
762 if (qlcnic_boards[i].vendor == pdev->vendor &&
763 qlcnic_boards[i].device == pdev->device &&
764 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
765 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 766 sprintf(name, "%pM: %s" ,
767 adapter->mac_addr,
768 qlcnic_boards[i].short_name);
af19b491
AKS		 769 found = 1;
770 break;
771 }
772
773 }
774
775 if (!found)
7f9a0c34 776 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 777}
778
779static void
780qlcnic_check_options(struct qlcnic_adapter *adapter)
781{
a15ebd37 782 int err;
031a4a26 783 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 784 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 785 struct qlcnic_hardware_context *ahw = adapter->ahw;
786 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 787
788 prev_fw_version = adapter->fw_version;
af19b491 789
a15ebd37
HM		 790 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
791 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
792 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 793
794 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
795
a15ebd37
HM		 796 err = qlcnic_get_board_info(adapter);
797 if (err) {
798 dev_err(&pdev->dev, "Error getting board config info.\n");
799 return;
800 }
801 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 802 if (fw_dump->tmpl_hdr == NULL ||
803 adapter->fw_version > prev_fw_version) {
804 if (fw_dump->tmpl_hdr)
805 vfree(fw_dump->tmpl_hdr);
806 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
807 dev_info(&pdev->dev,
808 "Supports FW dump capability\n");
809 }
810 }
811
13159183
SC		 812 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
813 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
814
b1fc6d3c 815 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 816 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
817 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
818 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
819 } else {
820 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
821 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
822 }
823
af19b491 824 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 825 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
826
b1fc6d3c 827 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 828 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
829 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 830 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
831 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 832 }
833
099f7aa7 834 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 835
836 adapter->num_txd = MAX_CMD_DESCRIPTORS;
837
251b036a 838 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 839}
840
174240a8
RB		 841static int
842qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
843{
844 int err;
845 struct qlcnic_info nic_info;
846
bff57d8e 847 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 848 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 849 if (err)
850 return err;
851
79788450
SC		 852 adapter->ahw->physical_port = (u8)nic_info.phys_port;
853 adapter->ahw->switch_mode = nic_info.switch_mode;
854 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
855 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
856 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 857
858 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
859 u32 temp;
860 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
861 adapter->ahw->capabilities2 = temp;
862 }
79788450
SC		 863 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
864 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 865
13159183
SC		 866 /* Disable NPAR for 83XX */
867 if (qlcnic_83xx_check(adapter))
868 return err;
869
79788450 870 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 871 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
872 else
873 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
874
875 return err;
876}
877
ec079a07
SC		 878void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
879 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 880{
881 if (esw_cfg->discard_tagged)
882 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
883 else
884 adapter->flags |= QLCNIC_TAGGING_ENABLED;
885
886 if (esw_cfg->vlan_id)
887 adapter->pvid = esw_cfg->vlan_id;
888 else
889 adapter->pvid = 0;
890}
891
8e586137 892static int
b9796a14
AC		 893qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
894{
895 struct qlcnic_adapter *adapter = netdev_priv(netdev);
896 set_bit(vid, adapter->vlans);
8e586137 897 return 0;
b9796a14
AC		 898}
899
8e586137 900static int
b9796a14
AC		 901qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
902{
903 struct qlcnic_adapter *adapter = netdev_priv(netdev);
904
905 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
906 clear_bit(vid, adapter->vlans);
8e586137 907 return 0;
b9796a14
AC		 908}
909
ec079a07
SC		 910void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
911 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 912{
ee07c1a7
RB		 913 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
914 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 915
916 if (esw_cfg->mac_anti_spoof)
917 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 918
7373373d
RB		 919 if (!esw_cfg->mac_override)
920 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
921
ee07c1a7
RB		 922 if (!esw_cfg->promisc_mode)
923 adapter->flags |= QLCNIC_PROMISC_DISABLED;
924
0325d69b
RB		 925 qlcnic_set_netdev_features(adapter, esw_cfg);
926}
927
d71170fb 928int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 929{
930 struct qlcnic_esw_func_cfg esw_cfg;
931
932 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
933 return 0;
934
b1fc6d3c 935 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 936 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
937 return -EIO;
8cf61f89 938 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 939 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
940
941 return 0;
942}
943
944static void
945qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
946 struct qlcnic_esw_func_cfg *esw_cfg)
947{
948 struct net_device *netdev = adapter->netdev;
13159183
SC		 949 unsigned long features, vlan_features;
950
951 if (qlcnic_83xx_check(adapter))
952 return;
0325d69b 953
7e38d04b
SC		 954 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
955 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 956 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 957 NETIF_F_IPV6_CSUM);
0325d69b 958
13159183 959 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 960 features |= (NETIF_F_TSO | NETIF_F_TSO6);
961 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
962 }
b56421d0
RB		 963
964 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 965 features |= NETIF_F_LRO;
966
967 if (esw_cfg->offload_flags & BIT_0) {
968 netdev->features |= features;
13159183 969 adapter->rx_csum = 1;
7e38d04b 970 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 971 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 972 features &= ~NETIF_F_TSO;
973 }
974 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 975 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 976 features &= ~NETIF_F_TSO6;
977 }
0325d69b
RB		 978 } else {
979 netdev->features &= ~features;
7e38d04b 980 features &= ~features;
13159183 981 adapter->rx_csum = 0;
0325d69b
RB		 982 }
983
984 netdev->vlan_features = (features & vlan_features);
985}
986
0866d96d
AC		 987static int
988qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
989{
0866d96d
AC		 990 u32 op_mode, priv_level;
991 int err = 0;
992
174240a8
RB		 993 err = qlcnic_initialize_nic(adapter);
994 if (err)
995 return err;
996
0866d96d
AC		 997 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
998 return 0;
999
13159183 1000 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1001 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1002
1003 if (op_mode == QLC_DEV_DRV_DEFAULT)
1004 priv_level = QLCNIC_MGMT_FUNC;
1005 else
b1fc6d3c 1006 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1007
174240a8 1008 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1009 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1010 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1011 err = qlcnic_init_pci_info(adapter);
1012 if (err)
1013 return err;
1014 /* Set privilege level for other functions */
1015 qlcnic_set_function_modes(adapter);
1016 dev_info(&adapter->pdev->dev,
1017 "HAL Version: %d, Management function\n",
79788450 1018 adapter->ahw->fw_hal_version);
0866d96d 1019 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1020 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1021 dev_info(&adapter->pdev->dev,
1022 "HAL Version: %d, Privileged function\n",
79788450 1023 adapter->ahw->fw_hal_version);
0866d96d 1024 }
174240a8 1025 }
0866d96d
AC		 1026
1027 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1028
1029 return err;
1030}
1031
d71170fb 1032int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1033{
1034 struct qlcnic_esw_func_cfg esw_cfg;
1035 struct qlcnic_npar_info *npar;
1036 u8 i;
1037
174240a8 1038 if (adapter->need_fw_reset)
0325d69b
RB		 1039 return 0;
1040
bff57d8e 1041 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1042 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1043 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1044 esw_cfg.mac_override = BIT_0;
ee07c1a7 1045 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1046 if (qlcnic_82xx_check(adapter)) {
1047 esw_cfg.offload_flags = BIT_0;
1048 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1049 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1050 }
0325d69b
RB		 1051 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1052 return -EIO;
1053 npar = &adapter->npars[i];
1054 npar->pvid = esw_cfg.vlan_id;
7373373d 1055 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1056 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1057 npar->discard_tagged = esw_cfg.discard_tagged;
1058 npar->promisc_mode = esw_cfg.promisc_mode;
1059 npar->offload_flags = esw_cfg.offload_flags;
1060 }
1061
1062 return 0;
1063}
1064
13159183 1065
4e8acb01
RB		 1066static int
1067qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1068 struct qlcnic_npar_info *npar, int pci_func)
1069{
1070 struct qlcnic_esw_func_cfg esw_cfg;
1071 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1072 esw_cfg.pci_func = pci_func;
1073 esw_cfg.vlan_id = npar->pvid;
7373373d 1074 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1075 esw_cfg.discard_tagged = npar->discard_tagged;
1076 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1077 esw_cfg.offload_flags = npar->offload_flags;
1078 esw_cfg.promisc_mode = npar->promisc_mode;
1079 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1080 return -EIO;
1081
1082 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1083 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1084 return -EIO;
1085
1086 return 0;
1087}
1088
d71170fb 1089int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1090{
4e8acb01 1091 int i, err;
cea8975e
AC		 1092 struct qlcnic_npar_info *npar;
1093 struct qlcnic_info nic_info;
bff57d8e 1094 u8 pci_func;
cea8975e 1095
bff57d8e
SC		 1096 if (qlcnic_82xx_check(adapter))
1097 if (!adapter->need_fw_reset)
1098 return 0;
cea8975e 1099
4e8acb01 1100 /* Set the NPAR config data after FW reset */
bff57d8e 1101 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1102 npar = &adapter->npars[i];
bff57d8e
SC		 1103 pci_func = npar->pci_func;
1104 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1105 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1106 if (err)
1107 return err;
1108 nic_info.min_tx_bw = npar->min_bw;
1109 nic_info.max_tx_bw = npar->max_bw;
1110 err = qlcnic_set_nic_info(adapter, &nic_info);
1111 if (err)
1112 return err;
cea8975e 1113
4e8acb01
RB		 1114 if (npar->enable_pm) {
1115 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1116 npar->dest_npar, 1,
1117 pci_func);
4e8acb01
RB		 1118 if (err)
1119 return err;
cea8975e 1120 }
bff57d8e 1121 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1122 if (err)
1123 return err;
cea8975e 1124 }
4e8acb01 1125 return 0;
cea8975e
AC		 1126}
1127
78f84e1a
AKS		 1128static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1129{
1130 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1131 u32 npar_state;
1132
79788450 1133 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1134 return 0;
1135
a15ebd37
HM		 1136 npar_state = QLC_SHARED_REG_RD32(adapter,
1137 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1138 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1139 msleep(1000);
a15ebd37
HM		 1140 npar_state = QLC_SHARED_REG_RD32(adapter,
1141 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1142 }
1143 if (!npar_opt_timeo) {
1144 dev_err(&adapter->pdev->dev,
8a168ca7 1145 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1146 return -EIO;
1147 }
1148 return 0;
1149}
1150
174240a8
RB		 1151static int
1152qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1153{
1154 int err;
1155
1156 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1157 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1158 return 0;
1159
1160 err = qlcnic_set_default_offload_settings(adapter);
1161 if (err)
1162 return err;
1163
1164 err = qlcnic_reset_npar_config(adapter);
1165 if (err)
1166 return err;
1167
1168 qlcnic_dev_set_npar_ready(adapter);
1169
1170 return err;
1171}
1172
7e2cf4fe 1173int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1174{
d4066833 1175 int err;
af19b491 1176
aa5e18c0
SC		 1177 err = qlcnic_can_start_firmware(adapter);
1178 if (err < 0)
1179 return err;
1180 else if (!err)
d4066833 1181 goto check_fw_status;
af19b491 1182
099f7aa7 1183 if (qlcnic_load_fw_file)
4d5bdb38 1184 qlcnic_request_firmware(adapter);
8f891387 1185 else {
8cfdce08
SC		 1186 err = qlcnic_check_flash_fw_ver(adapter);
1187 if (err)
8f891387 1188 goto err_out;
1189
79788450 1190 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1191 }
af19b491
AKS		 1192
1193 err = qlcnic_need_fw_reset(adapter);
af19b491 1194 if (err == 0)
4e70812b 1195 goto check_fw_status;
af19b491 1196
d4066833
SC		 1197 err = qlcnic_pinit_from_rom(adapter);
1198 if (err)
1199 goto err_out;
af19b491
AKS		 1200
1201 err = qlcnic_load_firmware(adapter);
1202 if (err)
1203 goto err_out;
1204
1205 qlcnic_release_firmware(adapter);
d4066833 1206 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1207
d4066833
SC		 1208check_fw_status:
1209 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1210 if (err)
1211 goto err_out;
1212
a15ebd37 1213 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1214 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1215 err = qlcnic_check_eswitch_mode(adapter);
1216 if (err) {
1217 dev_err(&adapter->pdev->dev,
1218 "Memory allocation failed for eswitch\n");
1219 goto err_out;
1220 }
174240a8
RB		 1221 err = qlcnic_set_mgmt_operations(adapter);
1222 if (err)
1223 goto err_out;
1224
1225 qlcnic_check_options(adapter);
af19b491
AKS		 1226 adapter->need_fw_reset = 0;
1227
a7fc948f
AKS		 1228 qlcnic_release_firmware(adapter);
1229 return 0;
af19b491
AKS		 1230
1231err_out:
a15ebd37 1232 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1233 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1234
af19b491
AKS		 1235 qlcnic_release_firmware(adapter);
1236 return err;
1237}
1238
1239static int
1240qlcnic_request_irq(struct qlcnic_adapter *adapter)
1241{
1242 irq_handler_t handler;
1243 struct qlcnic_host_sds_ring *sds_ring;
13159183 1244 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1245 int err, ring;
1246
1247 unsigned long flags = 0;
1248 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1249 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1250
79788450 1251 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1252 if (qlcnic_82xx_check(adapter))
1253 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1254 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1255 flags |= IRQF_SHARED;
1256
1257 } else {
1258 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1259 handler = qlcnic_msix_intr;
1260 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1261 handler = qlcnic_msi_intr;
1262 else {
1263 flags |= IRQF_SHARED;
ac166700
HM		 1264 if (qlcnic_82xx_check(adapter))
1265 handler = qlcnic_intr;
1266 else
1267 handler = qlcnic_83xx_intr;
7eb9855d 1268 }
af19b491
AKS		 1269 }
1270 adapter->irq = netdev->irq;
1271
13159183 1272 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1273 if (qlcnic_82xx_check(adapter) ||
1274 (qlcnic_83xx_check(adapter) &&
1275 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1276 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1277 sds_ring = &recv_ctx->sds_rings[ring];
1278 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1279 "%s[%d]", netdev->name, ring);
1280 err = request_irq(sds_ring->irq, handler, flags,
1281 sds_ring->name, sds_ring);
1282 if (err)
1283 return err;
1284 }
13159183
SC		 1285 }
1286 if (qlcnic_83xx_check(adapter) &&
1287 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1288 handler = qlcnic_msix_tx_intr;
1289 for (ring = 0; ring < adapter->max_drv_tx_rings;
1290 ring++) {
1291 tx_ring = &adapter->tx_ring[ring];
1292 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1293 "%s[%d]", netdev->name,
ac166700 1294 adapter->max_sds_rings + ring);
13159183
SC		 1295 err = request_irq(tx_ring->irq, handler, flags,
1296 tx_ring->name, tx_ring);
1297 if (err)
1298 return err;
1299 }
1300 }
af19b491 1301 }
af19b491
AKS		 1302 return 0;
1303}
1304
1305static void
1306qlcnic_free_irq(struct qlcnic_adapter *adapter)
1307{
1308 int ring;
1309 struct qlcnic_host_sds_ring *sds_ring;
13159183 1310 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1311
b1fc6d3c 1312 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1313
13159183 1314 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1315 if (qlcnic_82xx_check(adapter) ||
1316 (qlcnic_83xx_check(adapter) &&
1317 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1318 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1319 sds_ring = &recv_ctx->sds_rings[ring];
1320 free_irq(sds_ring->irq, sds_ring);
1321 }
13159183
SC		 1322 }
1323 if (qlcnic_83xx_check(adapter)) {
1324 for (ring = 0; ring < adapter->max_drv_tx_rings;
1325 ring++) {
1326 tx_ring = &adapter->tx_ring[ring];
1327 if (tx_ring->irq)
1328 free_irq(tx_ring->irq, tx_ring);
1329 }
1330 }
af19b491
AKS		 1331 }
1332}
1333
99e85879
SS		 1334static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1335{
1336 u32 capab = 0;
1337
1338 if (qlcnic_82xx_check(adapter)) {
1339 if (adapter->ahw->capabilities2 &
1340 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1341 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1342 } else {
1343 capab = adapter->ahw->capabilities;
1344 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1345 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1346 }
1347}
1348
319ecf12 1349int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1350{
8a15ad1f
AKS		 1351 int ring;
1352 struct qlcnic_host_rds_ring *rds_ring;
1353
af19b491
AKS		 1354 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1355 return -EIO;
1356
8a15ad1f
AKS		 1357 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1358 return 0;
0325d69b
RB		 1359 if (qlcnic_set_eswitch_port_config(adapter))
1360 return -EIO;
99e85879 1361 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1362
8a15ad1f
AKS		 1363 if (qlcnic_fw_create_ctx(adapter))
1364 return -EIO;
1365
1366 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1367 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1368 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1369 }
1370
af19b491
AKS		 1371 qlcnic_set_multi(netdev);
1372 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1373
b1fc6d3c 1374 adapter->ahw->linkup = 0;
af19b491
AKS		 1375
1376 if (adapter->max_sds_rings > 1)
1377 qlcnic_config_rss(adapter, 1);
1378
1379 qlcnic_config_intr_coalesce(adapter);
1380
24763d80 1381 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1382 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1383
1384 qlcnic_napi_enable(adapter);
1385
1386 qlcnic_linkevent_request(adapter, 1);
1387
79788450 1388 adapter->ahw->reset_context = 0;
af19b491
AKS		 1389 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1390 return 0;
1391}
1392
629263ac 1393int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1394{
1395 int err = 0;
1396
1397 rtnl_lock();
1398 if (netif_running(netdev))
1399 err = __qlcnic_up(adapter, netdev);
1400 rtnl_unlock();
1401
1402 return err;
1403}
1404
319ecf12 1405void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1406{
1407 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1408 return;
1409
1410 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1411 return;
1412
1413 smp_mb();
1414 spin_lock(&adapter->tx_clean_lock);
1415 netif_carrier_off(netdev);
0a46bac0 1416 adapter->ahw->linkup = 0;
af19b491
AKS		 1417 netif_tx_disable(netdev);
1418
1419 qlcnic_free_mac_list(adapter);
1420
b5e5492c
AKS		 1421 if (adapter->fhash.fnum)
1422 qlcnic_delete_lb_filters(adapter);
1423
af19b491
AKS		 1424 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1425
1426 qlcnic_napi_disable(adapter);
1427
8a15ad1f 1428 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1429 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1430
1431 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1432 qlcnic_release_tx_buffers(adapter);
1433 spin_unlock(&adapter->tx_clean_lock);
1434}
1435
1436/* Usage: During suspend and firmware recovery module */
1437
629263ac 1438void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1439{
1440 rtnl_lock();
1441 if (netif_running(netdev))
1442 __qlcnic_down(adapter, netdev);
1443 rtnl_unlock();
1444
1445}
1446
319ecf12 1447int
af19b491
AKS		 1448qlcnic_attach(struct qlcnic_adapter *adapter)
1449{
1450 struct net_device *netdev = adapter->netdev;
1451 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1452 int err;
af19b491
AKS		 1453
1454 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1455 return 0;
1456
af19b491
AKS		 1457 err = qlcnic_napi_add(adapter, netdev);
1458 if (err)
1459 return err;
1460
1461 err = qlcnic_alloc_sw_resources(adapter);
1462 if (err) {
1463 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1464 goto err_out_napi_del;
af19b491
AKS		 1465 }
1466
1467 err = qlcnic_alloc_hw_resources(adapter);
1468 if (err) {
1469 dev_err(&pdev->dev, "Error in setting hw resources\n");
1470 goto err_out_free_sw;
1471 }
1472
af19b491
AKS		 1473 err = qlcnic_request_irq(adapter);
1474 if (err) {
1475 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1476 goto err_out_free_hw;
af19b491
AKS		 1477 }
1478
af19b491
AKS		 1479 qlcnic_create_sysfs_entries(adapter);
1480
1481 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1482 return 0;
1483
8a15ad1f 1484err_out_free_hw:
af19b491
AKS		 1485 qlcnic_free_hw_resources(adapter);
1486err_out_free_sw:
1487 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1488err_out_napi_del:
1489 qlcnic_napi_del(adapter);
af19b491
AKS		 1490 return err;
1491}
1492
319ecf12 1493void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1494{
1495 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1496 return;
1497
1498 qlcnic_remove_sysfs_entries(adapter);
1499
1500 qlcnic_free_hw_resources(adapter);
1501 qlcnic_release_rx_buffers(adapter);
1502 qlcnic_free_irq(adapter);
1503 qlcnic_napi_del(adapter);
1504 qlcnic_free_sw_resources(adapter);
1505
1506 adapter->is_up = 0;
1507}
1508
7eb9855d
AKS		 1509void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1510{
1511 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1512 struct qlcnic_host_sds_ring *sds_ring;
1513 int ring;
1514
78ad3892 1515 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1516 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1517 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1518 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1519 qlcnic_disable_int(sds_ring);
cdaff185 1520 }
7eb9855d
AKS		 1521 }
1522
8a15ad1f
AKS		 1523 qlcnic_fw_destroy_ctx(adapter);
1524
7eb9855d
AKS		 1525 qlcnic_detach(adapter);
1526
79788450 1527 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1528 adapter->max_sds_rings = max_sds_rings;
1529
1530 if (qlcnic_attach(adapter))
34ce3626 1531 goto out;
7eb9855d
AKS		 1532
1533 if (netif_running(netdev))
1534 __qlcnic_up(adapter, netdev);
34ce3626 1535out:
7eb9855d
AKS		 1536 netif_device_attach(netdev);
1537}
1538
b1fc6d3c
AC		 1539static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1540{
1541 int err = 0;
b1fc6d3c
AC		 1542 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1543 GFP_KERNEL);
1544 if (!adapter->recv_ctx) {
b1fc6d3c 1545 err = -ENOMEM;
8816d009 1546 goto err_out;
b1fc6d3c 1547 }
8816d009
AC		 1548 /* Initialize interrupt coalesce parameters */
1549 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1550 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1551 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1552 /* clear stats */
1553 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1554err_out:
1555 return err;
1556}
1557
1558static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1559{
1560 kfree(adapter->recv_ctx);
1561 adapter->recv_ctx = NULL;
1562
18f2f616
AC		 1563 if (adapter->ahw->fw_dump.tmpl_hdr) {
1564 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1565 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1566 }
4be41e92 1567
81d0aeb0 1568 kfree(adapter->ahw->reset.buff);
4be41e92 1569 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1570}
1571
7eb9855d
AKS		 1572int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1573{
1574 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1575 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1576 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1577 int ring;
1578 int ret;
1579
1580 netif_device_detach(netdev);
1581
1582 if (netif_running(netdev))
1583 __qlcnic_down(adapter, netdev);
1584
1585 qlcnic_detach(adapter);
1586
1587 adapter->max_sds_rings = 1;
79788450 1588 adapter->ahw->diag_test = test;
4be41e92 1589 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1590
1591 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1592 if (ret) {
1593 netif_device_attach(netdev);
7eb9855d 1594 return ret;
34ce3626 1595 }
7eb9855d 1596
8a15ad1f
AKS		 1597 ret = qlcnic_fw_create_ctx(adapter);
1598 if (ret) {
1599 qlcnic_detach(adapter);
57e46248 1600 netif_device_attach(netdev);
8a15ad1f
AKS		 1601 return ret;
1602 }
1603
1604 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1605 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1606 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1607 }
1608
79788450 1609 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1610 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1611 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1612 qlcnic_enable_int(sds_ring);
cdaff185 1613 }
7eb9855d 1614 }
22c8c934 1615
79788450 1616 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1617 adapter->ahw->loopback_state = 0;
1618 qlcnic_linkevent_request(adapter, 1);
1619 }
1620
78ad3892 1621 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1622
1623 return 0;
1624}
1625
68bf1c68
AKS		 1626/* Reset context in hardware only */
1627static int
1628qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1629{
1630 struct net_device *netdev = adapter->netdev;
1631
1632 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1633 return -EBUSY;
1634
1635 netif_device_detach(netdev);
1636
1637 qlcnic_down(adapter, netdev);
1638
1639 qlcnic_up(adapter, netdev);
1640
1641 netif_device_attach(netdev);
1642
1643 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1644 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1645 return 0;
1646}
1647
af19b491
AKS		 1648int
1649qlcnic_reset_context(struct qlcnic_adapter *adapter)
1650{
1651 int err = 0;
1652 struct net_device *netdev = adapter->netdev;
1653
1654 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1655 return -EBUSY;
1656
1657 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1658
1659 netif_device_detach(netdev);
1660
1661 if (netif_running(netdev))
1662 __qlcnic_down(adapter, netdev);
1663
1664 qlcnic_detach(adapter);
1665
1666 if (netif_running(netdev)) {
1667 err = qlcnic_attach(adapter);
1d5c88e3 1668 if (!err) {
34ce3626 1669 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1670 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1671 }
af19b491
AKS		 1672 }
1673
1674 netif_device_attach(netdev);
1675 }
1676
af19b491
AKS		 1677 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1678 return err;
1679}
1680
1681static int
5ad6ff9d
SC		 1682qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1683 int pci_using_dac)
af19b491
AKS		 1684{
1685 int err;
1686 struct pci_dev *pdev = adapter->pdev;
1687
13159183 1688 adapter->rx_csum = 1;
79788450 1689 adapter->ahw->mc_enabled = 0;
13159183 1690 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1691
1692 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1693 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1694
1695 qlcnic_change_mtu(netdev, netdev->mtu);
1696
1697 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1698
7e38d04b 1699 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1700 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1701 NETIF_F_HW_VLAN_RX);
1702 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1703 NETIF_F_IPV6_CSUM);
ac8d0c4f 1704
13159183
SC		 1705 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1706 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1707 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1708 }
af19b491 1709
13159183
SC		 1710 if (pci_using_dac) {
1711 netdev->features |= NETIF_F_HIGHDMA;
1712 netdev->vlan_features |= NETIF_F_HIGHDMA;
1713 }
af19b491 1714
13159183
SC		 1715 if (qlcnic_vlan_tx_check(adapter))
1716 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1717
13159183
SC		 1718 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1719 netdev->features |= NETIF_F_LRO;
135d84a9 1720
7e38d04b 1721 netdev->hw_features = netdev->features;
af19b491
AKS		 1722 netdev->irq = adapter->msix_entries[0].vector;
1723
af19b491
AKS		 1724 err = register_netdev(netdev);
1725 if (err) {
1726 dev_err(&pdev->dev, "failed to register net device\n");
1727 return err;
1728 }
1729
1730 return 0;
1731}
1732
5ad6ff9d 1733static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1734{
1735 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1736 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1737 *pci_using_dac = 1;
1738 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1739 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1740 *pci_using_dac = 0;
1741 else {
1742 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1743 return -EIO;
1744 }
1745
1746 return 0;
1747}
1748
4be41e92
SC		 1749void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1750{
1751 int ring;
1752 struct qlcnic_host_tx_ring *tx_ring;
1753
1754 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1755 tx_ring = &adapter->tx_ring[ring];
1756 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1757 vfree(tx_ring->cmd_buf_arr);
1758 tx_ring->cmd_buf_arr = NULL;
1759 }
1760 }
1761 if (adapter->tx_ring != NULL)
1762 kfree(adapter->tx_ring);
1763}
1764
1765int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1766 struct net_device *netdev)
1767{
b2adaca9 1768 int ring, vector, index;
4be41e92
SC		 1769 struct qlcnic_host_tx_ring *tx_ring;
1770 struct qlcnic_cmd_buffer *cmd_buf_arr;
1771
b2adaca9
JP		 1772 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1773 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1774 if (tx_ring == NULL)
4be41e92 1775 return -ENOMEM;
b2adaca9 1776
4be41e92
SC		 1777 adapter->tx_ring = tx_ring;
1778
1779 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1780 tx_ring = &adapter->tx_ring[ring];
1781 tx_ring->num_desc = adapter->num_txd;
1782 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1783 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1784 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1785 qlcnic_free_tx_rings(adapter);
1786 return -ENOMEM;
1787 }
1788 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1789 tx_ring->cmd_buf_arr = cmd_buf_arr;
1790 }
1791
1792 if (qlcnic_83xx_check(adapter)) {
1793 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1794 tx_ring = &adapter->tx_ring[ring];
1795 tx_ring->adapter = adapter;
1796 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1797 index = adapter->max_sds_rings + ring;
1798 vector = adapter->msix_entries[index].vector;
1799 tx_ring->irq = vector;
1800 }
1801 }
1802 }
1803 return 0;
1804}
1805
6bb58bb0 1806static int
af19b491
AKS		 1807qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1808{
1809 struct net_device *netdev = NULL;
1810 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1811 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1812 int err, pci_using_dac = -1;
c84e340a 1813 u32 capab2;
7bc48646 1814 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491
AKS		 1815
1816 err = pci_enable_device(pdev);
1817 if (err)
1818 return err;
1819
1820 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1821 err = -ENODEV;
1822 goto err_out_disable_pdev;
1823 }
1824
1bb09fb9
AKS		 1825 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1826 if (err)
1827 goto err_out_disable_pdev;
1828
af19b491
AKS		 1829 err = pci_request_regions(pdev, qlcnic_driver_name);
1830 if (err)
1831 goto err_out_disable_pdev;
1832
1833 pci_set_master(pdev);
451724c8 1834 pci_enable_pcie_error_reporting(pdev);
af19b491 1835
7e2cf4fe
SC		 1836 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1837 if (!ahw)
1838 goto err_out_free_res;
1839
1840 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1841 ahw->hw_ops = &qlcnic_hw_ops;
1842 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
13159183
SC		 1843 } else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1844 qlcnic_83xx_register_map(ahw);
1845 } else {
1846 goto err_out_free_hw_res;
7e2cf4fe
SC		 1847 }
1848
1849 err = qlcnic_setup_pci_map(pdev, ahw);
1850 if (err)
1851 goto err_out_free_hw_res;
1852
af19b491
AKS		 1853 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1854 if (!netdev) {
af19b491 1855 err = -ENOMEM;
7e2cf4fe 1856 goto err_out_iounmap;
af19b491
AKS		 1857 }
1858
1859 SET_NETDEV_DEV(netdev, &pdev->dev);
1860
1861 adapter = netdev_priv(netdev);
1862 adapter->netdev = netdev;
1863 adapter->pdev = pdev;
13159183
SC		 1864 adapter->ahw = ahw;
1865
1866 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1867 if (adapter->qlcnic_wq == NULL) {
1868 dev_err(&pdev->dev, "Failed to create workqueue\n");
1869 goto err_out_free_netdev;
1870 }
af19b491 1871
2dfc9671
PST		 1872 err = qlcnic_alloc_adapter_resources(adapter);
1873 if (err)
b1fc6d3c
AC		 1874 goto err_out_free_netdev;
1875
1876 adapter->dev_rst_time = jiffies;
7e2cf4fe 1877 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1878 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1879 adapter->fdb_mac_learn = true;
1880 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1881 adapter->drv_mac_learn = true;
7e2cf4fe 1882 adapter->max_drv_tx_rings = 1;
af19b491 1883
b1fc6d3c
AC		 1884 rwlock_init(&adapter->ahw->crb_lock);
1885 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1886
1887 spin_lock_init(&adapter->tx_clean_lock);
1888 INIT_LIST_HEAD(&adapter->mac_list);
1889
7e2cf4fe 1890 if (qlcnic_82xx_check(adapter)) {
13159183 1891 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1892 adapter->portnum = adapter->ahw->pci_func;
1893 err = qlcnic_start_firmware(adapter);
1894 if (err) {
1895 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1896 goto err_out_free_hw;
1897 }
af19b491 1898
7e2cf4fe
SC		 1899 err = qlcnic_setup_idc_param(adapter);
1900 if (err)
1901 goto err_out_free_hw;
b0044bcf 1902
7e2cf4fe 1903 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1904 } else if (qlcnic_83xx_check(adapter)) {
1905 qlcnic_83xx_check_vf(adapter, ent);
1906 adapter->portnum = adapter->ahw->pci_func;
629263ac
SC		 1907 err = qlcnic_83xx_init(adapter);
1908 if (err) {
1909 dev_err(&pdev->dev, "%s: failed\n", __func__);
1910 goto err_out_free_hw;
1911 }
13159183
SC		 1912 } else {
1913 dev_err(&pdev->dev,
1914 "%s: failed. Please Reboot\n", __func__);
1915 goto err_out_free_hw;
a7fc948f 1916 }
af19b491 1917
da48e6c3
RB		 1918 if (qlcnic_read_mac_addr(adapter))
1919 dev_warn(&pdev->dev, "failed to read mac addr\n");
1920
1921 if (adapter->portnum == 0) {
22999798 1922 qlcnic_get_board_name(adapter, board_name);
13159183 1923
da48e6c3 1924 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1925 module_name(THIS_MODULE),
1926 board_name, adapter->ahw->revision_id);
da48e6c3 1927 }
460374f7
HM		 1928
1929 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
1930 !!qlcnic_use_msi)
1931 dev_warn(&pdev->dev,
1932 "83xx adapter do not support MSI interrupts\n");
1933
7e2cf4fe 1934 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 1935 if (err) {
1936 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 1937 goto err_out_disable_msi;
9a97e705 1938 }
f94bc1e7 1939
13159183
SC		 1940 if (qlcnic_83xx_check(adapter)) {
1941 err = qlcnic_83xx_setup_mbx_intr(adapter);
1942 if (err)
1943 goto err_out_disable_msi;
1944 }
af19b491 1945
1bb09fb9 1946 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1947 if (err)
7e2cf4fe 1948 goto err_out_disable_mbx_intr;
af19b491 1949
c84e340a
SV		 1950 if (qlcnic_82xx_check(adapter)) {
1951 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1952 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1953 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1954 qlcnic_fw_cmd_set_drv_version(adapter);
1955 }
1956 }
1957
af19b491
AKS		 1958 pci_set_drvdata(pdev, adapter);
1959
97ee45eb
SC		 1960 if (qlcnic_82xx_check(adapter))
1961 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1962 FW_POLL_DELAY);
af19b491 1963
b1fc6d3c 1964 switch (adapter->ahw->port_type) {
af19b491
AKS		 1965 case QLCNIC_GBE:
1966 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1967 adapter->netdev->name);
1968 break;
1969 case QLCNIC_XGBE:
1970 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1971 adapter->netdev->name);
1972 break;
1973 }
1974
7e2cf4fe
SC		 1975 if (qlcnic_get_act_pci_func(adapter))
1976 goto err_out_disable_mbx_intr;
1977
fe1adc6b 1978 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 1979 qlcnic_alloc_lb_filters_mem(adapter);
1980
7e2cf4fe 1981 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1982
1983 return 0;
1984
7e2cf4fe 1985err_out_disable_mbx_intr:
7dd90cf1 1986 if (qlcnic_83xx_check(adapter))
13159183 1987 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 1988
af19b491
AKS		 1989err_out_disable_msi:
1990 qlcnic_teardown_intr(adapter);
7e2cf4fe 1991 qlcnic_cancel_idc_work(adapter);
21854f02 1992 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1993
b1fc6d3c
AC		 1994err_out_free_hw:
1995 qlcnic_free_adapter_resources(adapter);
1996
af19b491
AKS		 1997err_out_free_netdev:
1998 free_netdev(netdev);
1999
7e2cf4fe
SC		 2000err_out_iounmap:
2001 qlcnic_cleanup_pci_map(adapter);
2002
2003err_out_free_hw_res:
2004 kfree(ahw);
2005
af19b491
AKS		 2006err_out_free_res:
2007 pci_release_regions(pdev);
2008
2009err_out_disable_pdev:
2010 pci_set_drvdata(pdev, NULL);
2011 pci_disable_device(pdev);
2012 return err;
2013}
2014
6bb58bb0 2015static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2016{
2017 struct qlcnic_adapter *adapter;
2018 struct net_device *netdev;
13159183 2019 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2020
2021 adapter = pci_get_drvdata(pdev);
2022 if (adapter == NULL)
2023 return;
2024
2025 netdev = adapter->netdev;
02feda17 2026 qlcnic_sriov_pf_disable(adapter);
af19b491 2027
13159183
SC		 2028 qlcnic_cancel_idc_work(adapter);
2029 ahw = adapter->ahw;
af19b491
AKS		 2030
2031 unregister_netdev(netdev);
02feda17 2032 qlcnic_sriov_cleanup(adapter);
af19b491 2033
13159183 2034 if (qlcnic_83xx_check(adapter)) {
13159183 2035 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2036 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2037 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2038 }
2039
af19b491
AKS		 2040 qlcnic_detach(adapter);
2041
2e9d722d
AC		 2042 if (adapter->npars != NULL)
2043 kfree(adapter->npars);
2044 if (adapter->eswitch != NULL)
2045 kfree(adapter->eswitch);
2046
97ee45eb
SC		 2047 if (qlcnic_82xx_check(adapter))
2048 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2049
2050 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2051
b5e5492c
AKS		 2052 qlcnic_free_lb_filters_mem(adapter);
2053
af19b491
AKS		 2054 qlcnic_teardown_intr(adapter);
2055
13159183 2056 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 2057
2058 qlcnic_cleanup_pci_map(adapter);
2059
2060 qlcnic_release_firmware(adapter);
2061
451724c8 2062 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2063 pci_release_regions(pdev);
2064 pci_disable_device(pdev);
2065 pci_set_drvdata(pdev, NULL);
2066
13159183
SC		 2067 if (adapter->qlcnic_wq) {
2068 destroy_workqueue(adapter->qlcnic_wq);
2069 adapter->qlcnic_wq = NULL;
2070 }
b1fc6d3c 2071 qlcnic_free_adapter_resources(adapter);
13159183 2072 kfree(ahw);
af19b491
AKS		 2073 free_netdev(netdev);
2074}
2075static int __qlcnic_shutdown(struct pci_dev *pdev)
2076{
2077 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2078 struct net_device *netdev = adapter->netdev;
2079 int retval;
2080
2081 netif_device_detach(netdev);
2082
13159183 2083 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2084
2085 if (netif_running(netdev))
2086 qlcnic_down(adapter, netdev);
2087
97ee45eb
SC		 2088 if (qlcnic_82xx_check(adapter))
2089 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2090
2091 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2092
2093 retval = pci_save_state(pdev);
2094 if (retval)
2095 return retval;
97ee45eb
SC		 2096 if (qlcnic_82xx_check(adapter)) {
2097 if (qlcnic_wol_supported(adapter)) {
2098 pci_enable_wake(pdev, PCI_D3cold, 1);
2099 pci_enable_wake(pdev, PCI_D3hot, 1);
2100 }
af19b491
AKS		 2101 }
2102
2103 return 0;
2104}
2105
2106static void qlcnic_shutdown(struct pci_dev *pdev)
2107{
2108 if (__qlcnic_shutdown(pdev))
2109 return;
2110
2111 pci_disable_device(pdev);
2112}
2113
2114#ifdef CONFIG_PM
2115static int
2116qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2117{
2118 int retval;
2119
2120 retval = __qlcnic_shutdown(pdev);
2121 if (retval)
2122 return retval;
2123
2124 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2125 return 0;
2126}
2127
2128static int
2129qlcnic_resume(struct pci_dev *pdev)
2130{
2131 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2132 struct net_device *netdev = adapter->netdev;
2133 int err;
2134
2135 err = pci_enable_device(pdev);
2136 if (err)
2137 return err;
2138
2139 pci_set_power_state(pdev, PCI_D0);
2140 pci_set_master(pdev);
2141 pci_restore_state(pdev);
2142
13159183 2143 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2144 if (err) {
2145 dev_err(&pdev->dev, "failed to start firmware\n");
2146 return err;
2147 }
2148
2149 if (netif_running(netdev)) {
af19b491
AKS		 2150 err = qlcnic_up(adapter, netdev);
2151 if (err)
52486a3a 2152 goto done;
af19b491 2153
aec1e845 2154 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2155 }
52486a3a 2156done:
af19b491
AKS		 2157 netif_device_attach(netdev);
2158 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2159 return 0;
af19b491
AKS		 2160}
2161#endif
2162
2163static int qlcnic_open(struct net_device *netdev)
2164{
2165 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2166 int err;
2167
c55ad8e5
AKS		 2168 netif_carrier_off(netdev);
2169
af19b491
AKS		 2170 err = qlcnic_attach(adapter);
2171 if (err)
2172 return err;
2173
2174 err = __qlcnic_up(adapter, netdev);
2175 if (err)
2176 goto err_out;
2177
2178 netif_start_queue(netdev);
2179
2180 return 0;
2181
2182err_out:
2183 qlcnic_detach(adapter);
2184 return err;
2185}
2186
2187/*
2188 * qlcnic_close - Disables a network interface entry point
2189 */
2190static int qlcnic_close(struct net_device *netdev)
2191{
2192 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2193
2194 __qlcnic_down(adapter, netdev);
13159183 2195
af19b491
AKS		 2196 return 0;
2197}
2198
e5dcf6dc 2199void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2200{
2201 void *head;
2202 int i;
13159183
SC		 2203 struct net_device *netdev = adapter->netdev;
2204 u32 filter_size = 0;
2205 u16 act_pci_func = 0;
b5e5492c 2206
e5dcf6dc 2207 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2208 return;
2209
13159183 2210 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2211 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2212 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2213
13159183
SC		 2214 if (qlcnic_82xx_check(adapter)) {
2215 filter_size = QLCNIC_LB_MAX_FILTERS;
2216 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2217 } else {
2218 filter_size = QLC_83XX_LB_MAX_FILTERS;
2219 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2220 }
2221
2222 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2223 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2224
b5e5492c
AKS		 2225 if (!head)
2226 return;
2227
13159183 2228 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2229 adapter->fhash.fhead = head;
b5e5492c 2230
13159183
SC		 2231 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2232 act_pci_func, adapter->fhash.fmax);
2233
2234 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2235 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2236
2237 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2238
2239 head = kcalloc(adapter->rx_fhash.fbucket_size,
2240 sizeof(struct hlist_head), GFP_ATOMIC);
2241
2242 if (!head)
2243 return;
2244
2245 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2246 adapter->rx_fhash.fhead = head;
2247
2248 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2249 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2250}
2251
2252static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2253{
2254 if (adapter->fhash.fmax && adapter->fhash.fhead)
2255 kfree(adapter->fhash.fhead);
2256
2257 adapter->fhash.fhead = NULL;
2258 adapter->fhash.fmax = 0;
53643a75
SS		 2259
2260 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2261 kfree(adapter->rx_fhash.fhead);
2262
2263 adapter->rx_fhash.fmax = 0;
2264 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2265}
2266
629263ac 2267int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2268{
2269 struct net_device *netdev = adapter->netdev;
97ee45eb 2270 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2271 int rv = 0;
2272
13159183
SC		 2273 if (qlcnic_83xx_check(adapter))
2274 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2275
97ee45eb 2276 if (qlcnic_82xx_check(adapter))
a15ebd37 2277 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2278
2279 temp_state = qlcnic_get_temp_state(temp);
2280 temp_val = qlcnic_get_temp_val(temp);
2281
2282 if (temp_state == QLCNIC_TEMP_PANIC) {
2283 dev_err(&netdev->dev,
2284 "Device temperature %d degrees C exceeds"
2285 " maximum allowed. Hardware has been shut down.\n",
2286 temp_val);
2287 rv = 1;
2288 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2289 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2290 dev_err(&netdev->dev,
2291 "Device temperature %d degrees C "
2292 "exceeds operating range."
2293 " Immediate action needed.\n",
2294 temp_val);
2295 }
2296 } else {
79788450 2297 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2298 dev_info(&netdev->dev,
2299 "Device temperature is now %d degrees C"
2300 " in normal range.\n", temp_val);
2301 }
2302 }
79788450 2303 adapter->ahw->temp = temp_state;
af19b491
AKS		 2304 return rv;
2305}
2306
af19b491
AKS		 2307static void qlcnic_tx_timeout(struct net_device *netdev)
2308{
2309 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2310
2311 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2312 return;
2313
2314 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2315
2316 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2317 adapter->need_fw_reset = 1;
2318 else
79788450 2319 adapter->ahw->reset_context = 1;
af19b491
AKS		 2320}
2321
2322static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2323{
2324 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2325 struct net_device_stats *stats = &netdev->stats;
2326
af19b491
AKS		 2327 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2328 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2329 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2330 stats->tx_bytes = adapter->stats.txbytes;
2331 stats->rx_dropped = adapter->stats.rxdropped;
2332 stats->tx_dropped = adapter->stats.txdropped;
2333
2334 return stats;
2335}
2336
7e2cf4fe 2337irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2338{
af19b491
AKS		 2339 u32 status;
2340
2341 status = readl(adapter->isr_int_vec);
2342
79788450 2343 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2344 return IRQ_NONE;
2345
2346 /* check interrupt state machine, to be sure */
2347 status = readl(adapter->crb_int_state_reg);
2348 if (!ISR_LEGACY_INT_TRIGGERED(status))
2349 return IRQ_NONE;
2350
2351 writel(0xffffffff, adapter->tgt_status_reg);
2352 /* read twice to ensure write is flushed */
2353 readl(adapter->isr_int_vec);
2354 readl(adapter->isr_int_vec);
2355
7eb9855d
AKS		 2356 return IRQ_HANDLED;
2357}
2358
2359static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2360{
2361 struct qlcnic_host_sds_ring *sds_ring = data;
2362 struct qlcnic_adapter *adapter = sds_ring->adapter;
2363
2364 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2365 goto done;
2366 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2367 writel(0xffffffff, adapter->tgt_status_reg);
2368 goto done;
2369 }
2370
2371 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2372 return IRQ_NONE;
2373
2374done:
79788450 2375 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2376 qlcnic_enable_int(sds_ring);
2377 return IRQ_HANDLED;
2378}
2379
2380static irqreturn_t qlcnic_intr(int irq, void *data)
2381{
2382 struct qlcnic_host_sds_ring *sds_ring = data;
2383 struct qlcnic_adapter *adapter = sds_ring->adapter;
2384
2385 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2386 return IRQ_NONE;
2387
af19b491
AKS		 2388 napi_schedule(&sds_ring->napi);
2389
2390 return IRQ_HANDLED;
2391}
2392
2393static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2394{
2395 struct qlcnic_host_sds_ring *sds_ring = data;
2396 struct qlcnic_adapter *adapter = sds_ring->adapter;
2397
2398 /* clear interrupt */
2399 writel(0xffffffff, adapter->tgt_status_reg);
2400
2401 napi_schedule(&sds_ring->napi);
2402 return IRQ_HANDLED;
2403}
2404
2405static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2406{
2407 struct qlcnic_host_sds_ring *sds_ring = data;
2408
2409 napi_schedule(&sds_ring->napi);
2410 return IRQ_HANDLED;
2411}
2412
13159183
SC		 2413static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2414{
2415 struct qlcnic_host_tx_ring *tx_ring = data;
2416
2417 napi_schedule(&tx_ring->napi);
2418 return IRQ_HANDLED;
2419}
2420
af19b491
AKS		 2421#ifdef CONFIG_NET_POLL_CONTROLLER
2422static void qlcnic_poll_controller(struct net_device *netdev)
2423{
bf82791e
YL		 2424 int ring;
2425 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2426 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2427 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2428
af19b491 2429 disable_irq(adapter->irq);
bf82791e
YL		 2430 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2431 sds_ring = &recv_ctx->sds_rings[ring];
2432 qlcnic_intr(adapter->irq, sds_ring);
2433 }
af19b491
AKS		 2434 enable_irq(adapter->irq);
2435}
2436#endif
2437
6df900e9
SC		 2438static void
2439qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2440{
2441 u32 val;
2442
2443 val = adapter->portnum & 0xf;
2444 val |= encoding << 7;
2445 val |= (jiffies - adapter->dev_rst_time) << 8;
2446
a15ebd37 2447 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2448 adapter->dev_rst_time = jiffies;
2449}
2450
ade91f8e
AKS		 2451static int
2452qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2453{
2454 u32 val;
2455
2456 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2457 state != QLCNIC_DEV_NEED_QUISCENT);
2458
2459 if (qlcnic_api_lock(adapter))
ade91f8e 2460 return -EIO;
af19b491 2461
a15ebd37 2462 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2463
2464 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2465 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2466 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2467 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2468
a15ebd37 2469 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2470
2471 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2472
2473 return 0;
af19b491
AKS		 2474}
2475
1b95a839
AKS		 2476static int
2477qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2478{
2479 u32 val;
2480
2481 if (qlcnic_api_lock(adapter))
2482 return -EBUSY;
2483
a15ebd37 2484 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2485 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2486 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2487
2488 qlcnic_api_unlock(adapter);
2489
2490 return 0;
2491}
2492
af19b491 2493static void
21854f02 2494qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2495{
2496 u32 val;
2497
2498 if (qlcnic_api_lock(adapter))
2499 goto err;
2500
a15ebd37 2501 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2502 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2503 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2504
21854f02 2505 if (failed) {
a15ebd37
HM		 2506 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2507 QLCNIC_DEV_FAILED);
21854f02
AKS		 2508 dev_info(&adapter->pdev->dev,
2509 "Device state set to Failed. Please Reboot\n");
2510 } else if (!(val & 0x11111111))
a15ebd37
HM		 2511 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2512 QLCNIC_DEV_COLD);
af19b491 2513
a15ebd37 2514 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2515 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2516 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2517
2518 qlcnic_api_unlock(adapter);
2519err:
2520 adapter->fw_fail_cnt = 0;
032a13c7 2521 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2522 clear_bit(__QLCNIC_START_FW, &adapter->state);
2523 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2524}
2525
f73dfc50 2526/* Grab api lock, before checking state */
af19b491
AKS		 2527static int
2528qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2529{
602ca6f0 2530 int act, state, active_mask;
a15ebd37 2531 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2532
a15ebd37
HM		 2533 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2534 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2535
602ca6f0 2536 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2537 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2538 act = act & active_mask;
2539 }
2540
af19b491
AKS		 2541 if (((state & 0x11111111) == (act & 0x11111111)) ||
2542 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2543 return 0;
2544 else
2545 return 1;
2546}
2547
96f8118c
SC		 2548static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2549{
a15ebd37 2550 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2551
2552 if (val != QLCNIC_DRV_IDC_VER) {
2553 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2554 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2555 }
2556
2557 return 0;
2558}
2559
af19b491
AKS		 2560static int
2561qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2562{
2563 u32 val, prev_state;
aa5e18c0 2564 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2565 u8 portnum = adapter->portnum;
96f8118c 2566 u8 ret;
af19b491 2567
f73dfc50
AKS		 2568 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2569 return 1;
2570
af19b491
AKS		 2571 if (qlcnic_api_lock(adapter))
2572 return -1;
2573
a15ebd37 2574 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2575 if (!(val & (1 << (portnum * 4)))) {
2576 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2577 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2578 }
2579
a15ebd37 2580 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2581 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2582
2583 switch (prev_state) {
2584 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2585 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2586 QLCNIC_DEV_INITIALIZING);
2587 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2588 QLCNIC_DRV_IDC_VER);
6df900e9 2589 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2590 qlcnic_api_unlock(adapter);
2591 return 1;
2592
2593 case QLCNIC_DEV_READY:
96f8118c 2594 ret = qlcnic_check_idc_ver(adapter);
af19b491 2595 qlcnic_api_unlock(adapter);
96f8118c 2596 return ret;
af19b491
AKS		 2597
2598 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2599 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2600 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2601 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2602 break;
2603
2604 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2605 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2606 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2607 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2608 break;
2609
2610 case QLCNIC_DEV_FAILED:
a7fc948f 2611 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2612 qlcnic_api_unlock(adapter);
2613 return -1;
bbd8c6a4
AKS		 2614
2615 case QLCNIC_DEV_INITIALIZING:
2616 case QLCNIC_DEV_QUISCENT:
2617 break;
af19b491
AKS		 2618 }
2619
2620 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2621
2622 do {
af19b491 2623 msleep(1000);
a15ebd37 2624 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2625
2626 if (prev_state == QLCNIC_DEV_QUISCENT)
2627 continue;
2628 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2629
65b5b420
AKS		 2630 if (!dev_init_timeo) {
2631 dev_err(&adapter->pdev->dev,
2632 "Waiting for device to initialize timeout\n");
af19b491 2633 return -1;
65b5b420 2634 }
af19b491
AKS		 2635
2636 if (qlcnic_api_lock(adapter))
2637 return -1;
2638
a15ebd37 2639 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2640 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2641 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2642
96f8118c 2643 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2644 qlcnic_api_unlock(adapter);
2645
96f8118c 2646 return ret;
af19b491
AKS		 2647}
2648
2649static void
2650qlcnic_fwinit_work(struct work_struct *work)
2651{
2652 struct qlcnic_adapter *adapter = container_of(work,
2653 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2654 u32 dev_state = 0xf;
7b749ff4 2655 u32 val;
af19b491 2656
f73dfc50
AKS		 2657 if (qlcnic_api_lock(adapter))
2658 goto err_ret;
af19b491 2659
a15ebd37 2660 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2661 if (dev_state == QLCNIC_DEV_QUISCENT ||
2662 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2663 qlcnic_api_unlock(adapter);
2664 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2665 FW_POLL_DELAY * 2);
2666 return;
2667 }
2668
79788450 2669 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2670 qlcnic_api_unlock(adapter);
2671 goto wait_npar;
9f26f547
AC		 2672 }
2673
16e3cf73
SV		 2674 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2675 dev_state == QLCNIC_DEV_READY) {
2676 dev_info(&adapter->pdev->dev, "Detected state change from "
2677 "DEV_NEED_RESET, skipping ack check\n");
2678 goto skip_ack_check;
2679 }
2680
f73dfc50 2681 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2682 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2683 adapter->reset_ack_timeo);
2684 goto skip_ack_check;
2685 }
2686
2687 if (!qlcnic_check_drv_state(adapter)) {
2688skip_ack_check:
a15ebd37 2689 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2690
f73dfc50 2691 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2692 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2693 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2694 set_bit(__QLCNIC_START_FW, &adapter->state);
2695 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2696 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2697 val = QLC_SHARED_REG_RD32(adapter,
2698 QLCNIC_CRB_DRV_STATE);
7b749ff4 2699 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2700 QLC_SHARED_REG_WR32(adapter,
2701 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2702 }
2703
f73dfc50
AKS		 2704 qlcnic_api_unlock(adapter);
2705
287e38aa 2706 rtnl_lock();
7b749ff4
SV		 2707 if (adapter->ahw->fw_dump.enable &&
2708 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2709 QLCDB(adapter, DRV, "Take FW dump\n");
2710 qlcnic_dump_fw(adapter);
032a13c7 2711 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2712 }
287e38aa 2713 rtnl_unlock();
7b749ff4
SV		 2714
2715 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2716 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2717 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2718 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2719 return;
2720 }
af19b491
AKS		 2721 goto err_ret;
2722 }
2723
f73dfc50 2724 qlcnic_api_unlock(adapter);
aa5e18c0 2725
9f26f547 2726wait_npar:
a15ebd37 2727 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2728 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2729
af19b491 2730 switch (dev_state) {
3c4b23b1 2731 case QLCNIC_DEV_READY:
7e2cf4fe 2732 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2733 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2734 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2735 return;
2736 }
3c4b23b1
AKS		 2737 case QLCNIC_DEV_FAILED:
2738 break;
2739 default:
2740 qlcnic_schedule_work(adapter,
2741 qlcnic_fwinit_work, FW_POLL_DELAY);
2742 return;
af19b491
AKS		 2743 }
2744
2745err_ret:
f73dfc50
AKS		 2746 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2747 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2748 netif_device_attach(adapter->netdev);
21854f02 2749 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2750}
2751
2752static void
2753qlcnic_detach_work(struct work_struct *work)
2754{
2755 struct qlcnic_adapter *adapter = container_of(work,
2756 struct qlcnic_adapter, fw_work.work);
2757 struct net_device *netdev = adapter->netdev;
2758 u32 status;
2759
2760 netif_device_detach(netdev);
2761
b8c17620
AKS		 2762 /* Dont grab rtnl lock during Quiscent mode */
2763 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2764 if (netif_running(netdev))
2765 __qlcnic_down(adapter, netdev);
2766 } else
2767 qlcnic_down(adapter, netdev);
af19b491 2768
a15ebd37 2769 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2770
44f65b29
SC		 2771 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2772 dev_err(&adapter->pdev->dev,
2773 "Detaching the device: peg halt status1=0x%x\n",
2774 status);
2775
2776 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2777 dev_err(&adapter->pdev->dev,
2778 "On board active cooling fan failed. "
2779 "Device has been halted.\n");
2780 dev_err(&adapter->pdev->dev,
2781 "Replace the adapter.\n");
2782 }
2783
af19b491 2784 goto err_ret;
44f65b29 2785 }
af19b491 2786
79788450 2787 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2788 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2789 adapter->ahw->temp);
af19b491 2790 goto err_ret;
44f65b29
SC		 2791 }
2792
602ca6f0
SV		 2793 /* Dont ack if this instance is the reset owner */
2794 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2795 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2796 dev_err(&adapter->pdev->dev,
2797 "Failed to set driver state,"
2798 "detaching the device.\n");
602ca6f0 2799 goto err_ret;
44f65b29 2800 }
602ca6f0 2801 }
af19b491
AKS		 2802
2803 adapter->fw_wait_cnt = 0;
2804
2805 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2806
2807 return;
2808
2809err_ret:
34ce3626 2810 netif_device_attach(netdev);
21854f02 2811 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2812}
2813
3c4b23b1
AKS		 2814/*Transit NPAR state to NON Operational */
2815static void
2816qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2817{
2818 u32 state;
2819
a15ebd37 2820 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2821 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2822 return;
2823
2824 if (qlcnic_api_lock(adapter))
2825 return;
a15ebd37
HM		 2826 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2827 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2828 qlcnic_api_unlock(adapter);
2829}
2830
7e2cf4fe 2831void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2832{
646779f1
SV		 2833 u32 state, xg_val = 0, gb_val = 0;
2834
2835 qlcnic_xg_set_xg0_mask(xg_val);
2836 qlcnic_xg_set_xg1_mask(xg_val);
2837 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2838 qlcnic_gb_set_gb0_mask(gb_val);
2839 qlcnic_gb_set_gb1_mask(gb_val);
2840 qlcnic_gb_set_gb2_mask(gb_val);
2841 qlcnic_gb_set_gb3_mask(gb_val);
2842 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2843 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2844 " on all ports\n");
cea8975e 2845 adapter->need_fw_reset = 1;
13159183 2846
af19b491
AKS		 2847 if (qlcnic_api_lock(adapter))
2848 return;
2849
13159183 2850 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2851
f73dfc50 2852 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2853 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2854 QLCNIC_DEV_NEED_RESET);
602ca6f0 2855 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2856 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2857 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2858 }
2859
13159183
SC		 2860 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2861 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2862 qlcnic_api_unlock(adapter);
2863}
2864
9f26f547
AC		 2865/* Transit to NPAR READY state from NPAR NOT READY state */
2866static void
2867qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2868{
9f26f547
AC		 2869 if (qlcnic_api_lock(adapter))
2870 return;
2871
a15ebd37
HM		 2872 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2873 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2874 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2875
2876 qlcnic_api_unlock(adapter);
2877}
2878
13159183
SC		 2879void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2880 work_func_t func, int delay)
af19b491 2881{
451724c8
SC		 2882 if (test_bit(__QLCNIC_AER, &adapter->state))
2883 return;
2884
af19b491 2885 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2886 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2887 round_jiffies_relative(delay));
af19b491
AKS		 2888}
2889
2890static void
2891qlcnic_attach_work(struct work_struct *work)
2892{
2893 struct qlcnic_adapter *adapter = container_of(work,
2894 struct qlcnic_adapter, fw_work.work);
2895 struct net_device *netdev = adapter->netdev;
b18971d1 2896 u32 npar_state;
af19b491 2897
79788450 2898 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2899 npar_state = QLC_SHARED_REG_RD32(adapter,
2900 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2901 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2902 qlcnic_clr_all_drv_state(adapter, 0);
2903 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2904 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2905 FW_POLL_DELAY);
2906 else
2907 goto attach;
2908 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2909 return;
2910 }
2911attach:
af19b491 2912 if (netif_running(netdev)) {
52486a3a 2913 if (qlcnic_up(adapter, netdev))
af19b491 2914 goto done;
af19b491 2915
aec1e845 2916 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2917 }
2918
af19b491 2919done:
34ce3626 2920 netif_device_attach(netdev);
af19b491 2921 adapter->fw_fail_cnt = 0;
032a13c7 2922 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2923 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2924
2925 if (!qlcnic_clr_drv_state(adapter))
2926 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2927 FW_POLL_DELAY);
af19b491
AKS		 2928}
2929
2930static int
2931qlcnic_check_health(struct qlcnic_adapter *adapter)
2932{
4e70812b 2933 u32 state = 0, heartbeat;
853d4bca 2934 u32 peg_status;
af19b491
AKS		 2935
2936 if (qlcnic_check_temp(adapter))
2937 goto detach;
2938
2372a5f1 2939 if (adapter->need_fw_reset)
7e2cf4fe 2940 qlcnic_dev_request_reset(adapter, 0);
af19b491 2941
a15ebd37 2942 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2943 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2944 qlcnic_set_npar_non_operational(adapter);
af19b491 2945 adapter->need_fw_reset = 1;
b8c17620
AKS		 2946 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2947 goto detach;
af19b491 2948
a15ebd37 2949 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2950 if (heartbeat != adapter->heartbeat) {
2951 adapter->heartbeat = heartbeat;
af19b491
AKS		 2952 adapter->fw_fail_cnt = 0;
2953 if (adapter->need_fw_reset)
2954 goto detach;
68bf1c68 2955
099f7aa7 2956 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2957 qlcnic_reset_hw_context(adapter);
2958 adapter->netdev->trans_start = jiffies;
2959 }
2960
af19b491
AKS		 2961 return 0;
2962 }
2963
2964 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2965 return 0;
2966
032a13c7
SV		 2967 adapter->flags |= QLCNIC_FW_HANG;
2968
7e2cf4fe 2969 qlcnic_dev_request_reset(adapter, 0);
af19b491 2970
099f7aa7 2971 if (qlcnic_auto_fw_reset)
0df170b6 2972 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2973
853d4bca 2974 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2975 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2976 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2977 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2978 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2979 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2980 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2981 peg_status,
2982 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2983 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2984 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2985 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2986 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2987 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2988 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2989 dev_err(&adapter->pdev->dev,
2990 "Firmware aborted with error code 0x00006700. "
2991 "Device is being reset.\n");
af19b491
AKS		 2992detach:
2993 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2994 QLCNIC_DEV_NEED_RESET;
2995
099f7aa7
SC		 2996 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2997 &adapter->state)) {
65b5b420 2998
af19b491 2999 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3000 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3001 }
af19b491
AKS		 3002
3003 return 1;
3004}
3005
3006static void
3007qlcnic_fw_poll_work(struct work_struct *work)
3008{
3009 struct qlcnic_adapter *adapter = container_of(work,
3010 struct qlcnic_adapter, fw_work.work);
3011
3012 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3013 goto reschedule;
3014
3015
3016 if (qlcnic_check_health(adapter))
3017 return;
3018
b5e5492c
AKS		 3019 if (adapter->fhash.fnum)
3020 qlcnic_prune_lb_filters(adapter);
3021
af19b491
AKS		 3022reschedule:
3023 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3024}
3025
451724c8
SC		 3026static int qlcnic_is_first_func(struct pci_dev *pdev)
3027{
3028 struct pci_dev *oth_pdev;
3029 int val = pdev->devfn;
3030
3031 while (val-- > 0) {
3032 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3033 (pdev->bus), pdev->bus->number,
3034 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3035 if (!oth_pdev)
3036 continue;
451724c8 3037
bfc978fa
AKS		 3038 if (oth_pdev->current_state != PCI_D3cold) {
3039 pci_dev_put(oth_pdev);
451724c8 3040 return 0;
bfc978fa
AKS		 3041 }
3042 pci_dev_put(oth_pdev);
451724c8
SC		 3043 }
3044 return 1;
3045}
3046
3047static int qlcnic_attach_func(struct pci_dev *pdev)
3048{
3049 int err, first_func;
3050 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3051 struct net_device *netdev = adapter->netdev;
3052
3053 pdev->error_state = pci_channel_io_normal;
3054
3055 err = pci_enable_device(pdev);
3056 if (err)
3057 return err;
3058
3059 pci_set_power_state(pdev, PCI_D0);
3060 pci_set_master(pdev);
3061 pci_restore_state(pdev);
3062
3063 first_func = qlcnic_is_first_func(pdev);
3064
3065 if (qlcnic_api_lock(adapter))
3066 return -EINVAL;
3067
79788450 3068 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3069 adapter->need_fw_reset = 1;
3070 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3071 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3072 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3073 QLCDB(adapter, DRV, "Restarting fw\n");
3074 }
3075 qlcnic_api_unlock(adapter);
3076
13159183 3077 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3078 if (err)
3079 return err;
3080
3081 qlcnic_clr_drv_state(adapter);
13159183
SC		 3082 kfree(adapter->msix_entries);
3083 adapter->msix_entries = NULL;
3084 err = qlcnic_setup_intr(adapter, 0);
3085
9a97e705
M		 3086 if (err) {
3087 kfree(adapter->msix_entries);
3088 netdev_err(netdev, "failed to setup interrupt\n");
3089 return err;
3090 }
3091
13159183 3092 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3093 /* register for NIC IDC AEN Events */
3094 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3095 err = qlcnic_83xx_setup_mbx_intr(adapter);
3096 if (err) {
3097 dev_err(&adapter->pdev->dev,
3098 "failed to setup mbx interrupt\n");
3099 qlcnic_clr_all_drv_state(adapter, 1);
3100 clear_bit(__QLCNIC_AER, &adapter->state);
3101 goto done;
3102 }
3103 }
451724c8
SC		 3104
3105 if (netif_running(netdev)) {
3106 err = qlcnic_attach(adapter);
3107 if (err) {
21854f02 3108 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3109 clear_bit(__QLCNIC_AER, &adapter->state);
3110 netif_device_attach(netdev);
3111 return err;
3112 }
3113
3114 err = qlcnic_up(adapter, netdev);
3115 if (err)
3116 goto done;
3117
aec1e845 3118 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3119 }
3120 done:
3121 netif_device_attach(netdev);
3122 return err;
3123}
3124
3125static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3126 pci_channel_state_t state)
3127{
3128 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3129 struct net_device *netdev = adapter->netdev;
3130
3131 if (state == pci_channel_io_perm_failure)
3132 return PCI_ERS_RESULT_DISCONNECT;
3133
3134 if (state == pci_channel_io_normal)
3135 return PCI_ERS_RESULT_RECOVERED;
3136
3137 set_bit(__QLCNIC_AER, &adapter->state);
3138 netif_device_detach(netdev);
3139
3140 cancel_delayed_work_sync(&adapter->fw_work);
3141
3142 if (netif_running(netdev))
3143 qlcnic_down(adapter, netdev);
3144
13159183 3145 if (qlcnic_83xx_check(adapter)) {
13159183 3146 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3147 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3148 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3149 }
3150
451724c8
SC		 3151 qlcnic_detach(adapter);
3152 qlcnic_teardown_intr(adapter);
3153
3154 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3155
3156 pci_save_state(pdev);
3157 pci_disable_device(pdev);
3158
3159 return PCI_ERS_RESULT_NEED_RESET;
3160}
3161
3162static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3163{
3164 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3165 PCI_ERS_RESULT_RECOVERED;
3166}
3167
3168static void qlcnic_io_resume(struct pci_dev *pdev)
3169{
a15ebd37 3170 u32 state;
451724c8
SC		 3171 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3172
3173 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3174 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3175 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3176 &adapter->state))
451724c8
SC		 3177 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3178 FW_POLL_DELAY);
3179}
3180
87eb743b
AC		 3181static int
3182qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3183{
3184 int err;
3185
3186 err = qlcnic_can_start_firmware(adapter);
3187 if (err)
3188 return err;
3189
78f84e1a
AKS		 3190 err = qlcnic_check_npar_opertional(adapter);
3191 if (err)
3192 return err;
3c4b23b1 3193
174240a8
RB		 3194 err = qlcnic_initialize_nic(adapter);
3195 if (err)
3196 return err;
3197
87eb743b
AC		 3198 qlcnic_check_options(adapter);
3199
7373373d
RB		 3200 err = qlcnic_set_eswitch_port_config(adapter);
3201 if (err)
3202 return err;
3203
87eb743b
AC		 3204 adapter->need_fw_reset = 0;
3205
3206 return err;
3207}
3208
319ecf12 3209int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3210{
319ecf12
SC		 3211 u32 max_allowed;
3212
3213 if (max_hw > QLC_MAX_SDS_RINGS) {
3214 max_hw = QLC_MAX_SDS_RINGS;
3215 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3216 }
3217
319ecf12
SC		 3218 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3219 num_online_cpus()));
3220 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3221 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3222 max_allowed);
f94bc1e7
SC		 3223 return -EINVAL;
3224 }
3225 return 0;
f94bc1e7
SC		 3226}
3227
319ecf12 3228int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3229{
13159183 3230 int err;
f94bc1e7 3231 struct net_device *netdev = adapter->netdev;
f94bc1e7 3232
319ecf12
SC		 3233 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3234 return -EBUSY;
3235
f94bc1e7
SC		 3236 netif_device_detach(netdev);
3237 if (netif_running(netdev))
3238 __qlcnic_down(adapter, netdev);
13159183 3239
7dd90cf1
SC		 3240 qlcnic_detach(adapter);
3241
3242 if (qlcnic_83xx_check(adapter))
13159183 3243 qlcnic_83xx_free_mbx_intr(adapter);
13159183 3244
f94bc1e7 3245 qlcnic_teardown_intr(adapter);
319ecf12 3246 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3247 if (err) {
3248 kfree(adapter->msix_entries);
3249 netdev_err(netdev, "failed to setup interrupt\n");
3250 return err;
3251 }
f94bc1e7 3252
13159183 3253 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3254 /* register for NIC IDC AEN Events */
3255 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3256 err = qlcnic_83xx_setup_mbx_intr(adapter);
3257 if (err) {
3258 dev_err(&adapter->pdev->dev,
3259 "failed to setup mbx interrupt\n");
3260 goto done;
3261 }
f94bc1e7
SC		 3262 }
3263
3264 if (netif_running(netdev)) {
3265 err = qlcnic_attach(adapter);
3266 if (err)
3267 goto done;
3268 err = __qlcnic_up(adapter, netdev);
3269 if (err)
3270 goto done;
3271 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3272 }
319ecf12 3273 err = len;
f94bc1e7
SC		 3274 done:
3275 netif_device_attach(netdev);
3276 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3277 return err;
3278}
3279
af19b491
AKS		 3280#ifdef CONFIG_INET
3281
3282#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3283
af19b491 3284static void
aec1e845
AKS		 3285qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3286 struct net_device *dev, unsigned long event)
af19b491
AKS		 3287{
3288 struct in_device *indev;
af19b491 3289
af19b491
AKS		 3290 indev = in_dev_get(dev);
3291 if (!indev)
3292 return;
3293
3294 for_ifa(indev) {
3295 switch (event) {
3296 case NETDEV_UP:
3297 qlcnic_config_ipaddr(adapter,
3298 ifa->ifa_address, QLCNIC_IP_UP);
3299 break;
3300 case NETDEV_DOWN:
3301 qlcnic_config_ipaddr(adapter,
3302 ifa->ifa_address, QLCNIC_IP_DOWN);
3303 break;
3304 default:
3305 break;
3306 }
3307 } endfor_ifa(indev);
3308
3309 in_dev_put(indev);
af19b491
AKS		 3310}
3311
319ecf12 3312void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3313{
3314 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3315 struct net_device *dev;
3316 u16 vid;
3317
3318 qlcnic_config_indev_addr(adapter, netdev, event);
3319
43c00a75 3320 rcu_read_lock();
b9796a14 3321 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3322 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3323 if (!dev)
3324 continue;
aec1e845
AKS		 3325 qlcnic_config_indev_addr(adapter, dev, event);
3326 }
43c00a75 3327 rcu_read_unlock();
aec1e845
AKS		 3328}
3329
af19b491
AKS		 3330static int qlcnic_netdev_event(struct notifier_block *this,
3331 unsigned long event, void *ptr)
3332{
3333 struct qlcnic_adapter *adapter;
3334 struct net_device *dev = (struct net_device *)ptr;
3335
3336recheck:
3337 if (dev == NULL)
3338 goto done;
3339
3340 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3341 dev = vlan_dev_real_dev(dev);
3342 goto recheck;
3343 }
3344
3345 if (!is_qlcnic_netdev(dev))
3346 goto done;
3347
3348 adapter = netdev_priv(dev);
3349
3350 if (!adapter)
3351 goto done;
3352
8a15ad1f 3353 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3354 goto done;
3355
aec1e845 3356 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3357done:
3358 return NOTIFY_DONE;
3359}
3360
3361static int
3362qlcnic_inetaddr_event(struct notifier_block *this,
3363 unsigned long event, void *ptr)
3364{
3365 struct qlcnic_adapter *adapter;
3366 struct net_device *dev;
3367
3368 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3369
3370 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3371
3372recheck:
aec1e845 3373 if (dev == NULL)
af19b491
AKS		 3374 goto done;
3375
3376 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3377 dev = vlan_dev_real_dev(dev);
3378 goto recheck;
3379 }
3380
3381 if (!is_qlcnic_netdev(dev))
3382 goto done;
3383
3384 adapter = netdev_priv(dev);
3385
251a84c9 3386 if (!adapter)
af19b491
AKS		 3387 goto done;
3388
8a15ad1f 3389 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3390 goto done;
3391
3392 switch (event) {
3393 case NETDEV_UP:
3394 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3395
af19b491
AKS		 3396 break;
3397 case NETDEV_DOWN:
3398 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3399
af19b491
AKS		 3400 break;
3401 default:
3402 break;
3403 }
3404
3405done:
3406 return NOTIFY_DONE;
3407}
3408
3409static struct notifier_block qlcnic_netdev_cb = {
3410 .notifier_call = qlcnic_netdev_event,
3411};
3412
3413static struct notifier_block qlcnic_inetaddr_cb = {
3414 .notifier_call = qlcnic_inetaddr_event,
3415};
3416#else
f8ca2b6f 3417void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3418{ }
3419#endif
fec9dd15 3420static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3421 .error_detected = qlcnic_io_error_detected,
3422 .slot_reset = qlcnic_io_slot_reset,
3423 .resume = qlcnic_io_resume,
3424};
af19b491
AKS		 3425
3426static struct pci_driver qlcnic_driver = {
3427 .name = qlcnic_driver_name,
3428 .id_table = qlcnic_pci_tbl,
3429 .probe = qlcnic_probe,
6bb58bb0 3430 .remove = qlcnic_remove,
af19b491
AKS		 3431#ifdef CONFIG_PM
3432 .suspend = qlcnic_suspend,
3433 .resume = qlcnic_resume,
3434#endif
451724c8 3435 .shutdown = qlcnic_shutdown,
02feda17
RB		 3436 .err_handler = &qlcnic_err_handler,
3437#ifdef CONFIG_QLCNIC_SRIOV
3438 .sriov_configure = qlcnic_pci_sriov_configure,
3439#endif
451724c8 3440
af19b491
AKS		 3441};
3442
3443static int __init qlcnic_init_module(void)
3444{
0cf3a14c 3445 int ret;
af19b491
AKS		 3446
3447 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3448
3449#ifdef CONFIG_INET
3450 register_netdevice_notifier(&qlcnic_netdev_cb);
3451 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3452#endif
3453
0cf3a14c
AKS		 3454 ret = pci_register_driver(&qlcnic_driver);
3455 if (ret) {
3456#ifdef CONFIG_INET
3457 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3458 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3459#endif
3460 }
af19b491 3461
0cf3a14c 3462 return ret;
af19b491
AKS		 3463}
3464
3465module_init(qlcnic_init_module);
3466
3467static void __exit qlcnic_exit_module(void)
3468{
af19b491
AKS		 3469 pci_unregister_driver(&qlcnic_driver);
3470
3471#ifdef CONFIG_INET
3472 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3473 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3474#endif
3475}
3476
3477module_exit(qlcnic_exit_module);
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