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qlcnic: SR-IOV VF probe
[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),
f8468331 113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
af19b491
AKS		 114 {0,}
115};
116
117MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
118
119
5ad6ff9d 120inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 121{
122 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 123}
124
125static const u32 msi_tgt_status[8] = {
126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
130};
131
7e2cf4fe
SC		 132static const u32 qlcnic_reg_tbl[] = {
133 0x1B20A8, /* PEG_HALT_STAT1 */
134 0x1B20AC, /* PEG_HALT_STAT2 */
135 0x1B20B0, /* FW_HEARTBEAT */
136 0x1B2100, /* LOCK ID */
137 0x1B2128, /* FW_CAPABILITIES */
138 0x1B2138, /* drv active */
139 0x1B2140, /* dev state */
140 0x1B2144, /* drv state */
141 0x1B2148, /* drv scratch */
142 0x1B214C, /* dev partition info */
143 0x1B2174, /* drv idc ver */
144 0x1B2150, /* fw version major */
145 0x1B2154, /* fw version minor */
146 0x1B2158, /* fw version sub */
147 0x1B219C, /* npar state */
148 0x1B21FC, /* FW_IMG_VALID */
149 0x1B2250, /* CMD_PEG_STATE */
150 0x1B233C, /* RCV_PEG_STATE */
151 0x1B23B4, /* ASIC TEMP */
152 0x1B216C, /* FW api */
153 0x1B2170, /* drv op mode */
154 0x13C010, /* flash lock */
155 0x13C014, /* flash unlock */
156};
157
22999798
SC		 158static const struct qlcnic_board_info qlcnic_boards[] = {
159 {0x1077, 0x8020, 0x1077, 0x203,
160 "8200 Series Single Port 10GbE Converged Network Adapter"
161 "(TCP/IP Networking)"},
162 {0x1077, 0x8020, 0x1077, 0x207,
163 "8200 Series Dual Port 10GbE Converged Network Adapter"
164 "(TCP/IP Networking)"},
165 {0x1077, 0x8020, 0x1077, 0x20b,
166 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
167 {0x1077, 0x8020, 0x1077, 0x20c,
168 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
169 {0x1077, 0x8020, 0x1077, 0x20f,
170 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
171 {0x1077, 0x8020, 0x103c, 0x3733,
172 "NC523SFP 10Gb 2-port Server Adapter"},
173 {0x1077, 0x8020, 0x103c, 0x3346,
174 "CN1000Q Dual Port Converged Network Adapter"},
175 {0x1077, 0x8020, 0x1077, 0x210,
176 "QME8242-k 10GbE Dual Port Mezzanine Card"},
177 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
178};
179
180#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 181#define QLC_MAX_SDS_RINGS 8
22999798 182
af19b491
AKS		 183static const
184struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
185
c70001a9 186int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 187{
188 int size = sizeof(struct qlcnic_host_sds_ring) * count;
189
190 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
191
807540ba 192 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 193}
194
c70001a9 195void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 196{
197 if (recv_ctx->sds_rings != NULL)
198 kfree(recv_ctx->sds_rings);
199
200 recv_ctx->sds_rings = NULL;
201}
202
f8468331 203int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 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 715 case PCI_DEVICE_ID_QLOGIC_QLE834X:
f8468331 716 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
13159183
SC		 717 *bar = QLCNIC_83XX_BAR0_LENGTH;
718 break;
15087c2b
SC		 719 default:
720 *bar = 0;
721 }
722}
723
724static int qlcnic_setup_pci_map(struct pci_dev *pdev,
725 struct qlcnic_hardware_context *ahw)
af19b491 726{
15087c2b 727 u32 offset;
af19b491 728 void __iomem *mem_ptr0 = NULL;
15087c2b 729 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 730
af19b491 731 /* remap phys address */
af19b491
AKS		 732 mem_len = pci_resource_len(pdev, 0);
733
15087c2b
SC		 734 qlcnic_get_bar_length(pdev->device, &bar0_len);
735 if (mem_len >= bar0_len) {
af19b491
AKS		 736
737 mem_ptr0 = pci_ioremap_bar(pdev, 0);
738 if (mem_ptr0 == NULL) {
739 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
740 return -EIO;
741 }
742 pci_len0 = mem_len;
743 } else {
744 return -EIO;
745 }
746
f8468331 747 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 748
15087c2b
SC		 749 ahw->pci_base0 = mem_ptr0;
750 ahw->pci_len0 = pci_len0;
751 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
752 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 753
754 return 0;
755}
756
22999798 757static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 758{
759 struct pci_dev *pdev = adapter->pdev;
760 int i, found = 0;
761
762 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
763 if (qlcnic_boards[i].vendor == pdev->vendor &&
764 qlcnic_boards[i].device == pdev->device &&
765 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
766 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 767 sprintf(name, "%pM: %s" ,
768 adapter->mac_addr,
769 qlcnic_boards[i].short_name);
af19b491
AKS		 770 found = 1;
771 break;
772 }
773
774 }
775
776 if (!found)
7f9a0c34 777 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 778}
779
780static void
781qlcnic_check_options(struct qlcnic_adapter *adapter)
782{
a15ebd37 783 int err;
031a4a26 784 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 785 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 786 struct qlcnic_hardware_context *ahw = adapter->ahw;
787 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 788
789 prev_fw_version = adapter->fw_version;
af19b491 790
a15ebd37
HM		 791 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
792 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
793 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 794
795 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
796
a15ebd37
HM		 797 err = qlcnic_get_board_info(adapter);
798 if (err) {
799 dev_err(&pdev->dev, "Error getting board config info.\n");
800 return;
801 }
802 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 803 if (fw_dump->tmpl_hdr == NULL ||
804 adapter->fw_version > prev_fw_version) {
805 if (fw_dump->tmpl_hdr)
806 vfree(fw_dump->tmpl_hdr);
807 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
808 dev_info(&pdev->dev,
809 "Supports FW dump capability\n");
810 }
811 }
812
13159183
SC		 813 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
814 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
815
b1fc6d3c 816 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 817 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
818 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
819 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
820 } else {
821 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
822 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
823 }
824
af19b491 825 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 826 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
827
b1fc6d3c 828 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 829 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
830 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 831 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
832 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 833 }
834
099f7aa7 835 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 836
837 adapter->num_txd = MAX_CMD_DESCRIPTORS;
838
251b036a 839 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 840}
841
174240a8
RB		 842static int
843qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
844{
845 int err;
846 struct qlcnic_info nic_info;
847
bff57d8e 848 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 849 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 850 if (err)
851 return err;
852
79788450
SC		 853 adapter->ahw->physical_port = (u8)nic_info.phys_port;
854 adapter->ahw->switch_mode = nic_info.switch_mode;
855 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
856 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
857 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 858
859 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
860 u32 temp;
861 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
862 adapter->ahw->capabilities2 = temp;
863 }
79788450
SC		 864 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
865 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 866
13159183
SC		 867 /* Disable NPAR for 83XX */
868 if (qlcnic_83xx_check(adapter))
869 return err;
870
79788450 871 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 872 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
873 else
874 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
875
876 return err;
877}
878
ec079a07
SC		 879void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
880 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 881{
882 if (esw_cfg->discard_tagged)
883 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
884 else
885 adapter->flags |= QLCNIC_TAGGING_ENABLED;
886
887 if (esw_cfg->vlan_id)
888 adapter->pvid = esw_cfg->vlan_id;
889 else
890 adapter->pvid = 0;
891}
892
8e586137 893static int
b9796a14
AC		 894qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
895{
896 struct qlcnic_adapter *adapter = netdev_priv(netdev);
897 set_bit(vid, adapter->vlans);
8e586137 898 return 0;
b9796a14
AC		 899}
900
8e586137 901static int
b9796a14
AC		 902qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
903{
904 struct qlcnic_adapter *adapter = netdev_priv(netdev);
905
906 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
907 clear_bit(vid, adapter->vlans);
8e586137 908 return 0;
b9796a14
AC		 909}
910
ec079a07
SC		 911void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
912 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 913{
ee07c1a7
RB		 914 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
915 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 916
917 if (esw_cfg->mac_anti_spoof)
918 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 919
7373373d
RB		 920 if (!esw_cfg->mac_override)
921 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
922
ee07c1a7
RB		 923 if (!esw_cfg->promisc_mode)
924 adapter->flags |= QLCNIC_PROMISC_DISABLED;
925
0325d69b
RB		 926 qlcnic_set_netdev_features(adapter, esw_cfg);
927}
928
d71170fb 929int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 930{
931 struct qlcnic_esw_func_cfg esw_cfg;
932
933 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
934 return 0;
935
b1fc6d3c 936 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 937 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
938 return -EIO;
8cf61f89 939 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 940 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
941
942 return 0;
943}
944
945static void
946qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
947 struct qlcnic_esw_func_cfg *esw_cfg)
948{
949 struct net_device *netdev = adapter->netdev;
13159183
SC		 950 unsigned long features, vlan_features;
951
952 if (qlcnic_83xx_check(adapter))
953 return;
0325d69b 954
7e38d04b
SC		 955 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
956 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 957 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 958 NETIF_F_IPV6_CSUM);
0325d69b 959
13159183 960 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 961 features |= (NETIF_F_TSO | NETIF_F_TSO6);
962 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
963 }
b56421d0
RB		 964
965 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 966 features |= NETIF_F_LRO;
967
968 if (esw_cfg->offload_flags & BIT_0) {
969 netdev->features |= features;
13159183 970 adapter->rx_csum = 1;
7e38d04b 971 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 972 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 973 features &= ~NETIF_F_TSO;
974 }
975 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 976 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 977 features &= ~NETIF_F_TSO6;
978 }
0325d69b
RB		 979 } else {
980 netdev->features &= ~features;
7e38d04b 981 features &= ~features;
13159183 982 adapter->rx_csum = 0;
0325d69b
RB		 983 }
984
985 netdev->vlan_features = (features & vlan_features);
986}
987
0866d96d
AC		 988static int
989qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
990{
0866d96d
AC		 991 u32 op_mode, priv_level;
992 int err = 0;
993
174240a8
RB		 994 err = qlcnic_initialize_nic(adapter);
995 if (err)
996 return err;
997
0866d96d
AC		 998 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
999 return 0;
1000
13159183 1001 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1002 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1003
1004 if (op_mode == QLC_DEV_DRV_DEFAULT)
1005 priv_level = QLCNIC_MGMT_FUNC;
1006 else
b1fc6d3c 1007 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1008
174240a8 1009 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1010 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1011 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1012 err = qlcnic_init_pci_info(adapter);
1013 if (err)
1014 return err;
1015 /* Set privilege level for other functions */
1016 qlcnic_set_function_modes(adapter);
1017 dev_info(&adapter->pdev->dev,
1018 "HAL Version: %d, Management function\n",
79788450 1019 adapter->ahw->fw_hal_version);
0866d96d 1020 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1021 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1022 dev_info(&adapter->pdev->dev,
1023 "HAL Version: %d, Privileged function\n",
79788450 1024 adapter->ahw->fw_hal_version);
0866d96d 1025 }
174240a8 1026 }
0866d96d
AC		 1027
1028 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1029
1030 return err;
1031}
1032
d71170fb 1033int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1034{
1035 struct qlcnic_esw_func_cfg esw_cfg;
1036 struct qlcnic_npar_info *npar;
1037 u8 i;
1038
174240a8 1039 if (adapter->need_fw_reset)
0325d69b
RB		 1040 return 0;
1041
bff57d8e 1042 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1043 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1044 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1045 esw_cfg.mac_override = BIT_0;
ee07c1a7 1046 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1047 if (qlcnic_82xx_check(adapter)) {
1048 esw_cfg.offload_flags = BIT_0;
1049 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1050 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1051 }
0325d69b
RB		 1052 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1053 return -EIO;
1054 npar = &adapter->npars[i];
1055 npar->pvid = esw_cfg.vlan_id;
7373373d 1056 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1057 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1058 npar->discard_tagged = esw_cfg.discard_tagged;
1059 npar->promisc_mode = esw_cfg.promisc_mode;
1060 npar->offload_flags = esw_cfg.offload_flags;
1061 }
1062
1063 return 0;
1064}
1065
13159183 1066
4e8acb01
RB		 1067static int
1068qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1069 struct qlcnic_npar_info *npar, int pci_func)
1070{
1071 struct qlcnic_esw_func_cfg esw_cfg;
1072 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1073 esw_cfg.pci_func = pci_func;
1074 esw_cfg.vlan_id = npar->pvid;
7373373d 1075 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1076 esw_cfg.discard_tagged = npar->discard_tagged;
1077 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1078 esw_cfg.offload_flags = npar->offload_flags;
1079 esw_cfg.promisc_mode = npar->promisc_mode;
1080 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1081 return -EIO;
1082
1083 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1084 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1085 return -EIO;
1086
1087 return 0;
1088}
1089
d71170fb 1090int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1091{
4e8acb01 1092 int i, err;
cea8975e
AC		 1093 struct qlcnic_npar_info *npar;
1094 struct qlcnic_info nic_info;
bff57d8e 1095 u8 pci_func;
cea8975e 1096
bff57d8e
SC		 1097 if (qlcnic_82xx_check(adapter))
1098 if (!adapter->need_fw_reset)
1099 return 0;
cea8975e 1100
4e8acb01 1101 /* Set the NPAR config data after FW reset */
bff57d8e 1102 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1103 npar = &adapter->npars[i];
bff57d8e
SC		 1104 pci_func = npar->pci_func;
1105 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1106 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1107 if (err)
1108 return err;
1109 nic_info.min_tx_bw = npar->min_bw;
1110 nic_info.max_tx_bw = npar->max_bw;
1111 err = qlcnic_set_nic_info(adapter, &nic_info);
1112 if (err)
1113 return err;
cea8975e 1114
4e8acb01
RB		 1115 if (npar->enable_pm) {
1116 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1117 npar->dest_npar, 1,
1118 pci_func);
4e8acb01
RB		 1119 if (err)
1120 return err;
cea8975e 1121 }
bff57d8e 1122 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1123 if (err)
1124 return err;
cea8975e 1125 }
4e8acb01 1126 return 0;
cea8975e
AC		 1127}
1128
78f84e1a
AKS		 1129static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1130{
1131 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1132 u32 npar_state;
1133
79788450 1134 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1135 return 0;
1136
a15ebd37
HM		 1137 npar_state = QLC_SHARED_REG_RD32(adapter,
1138 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1139 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1140 msleep(1000);
a15ebd37
HM		 1141 npar_state = QLC_SHARED_REG_RD32(adapter,
1142 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1143 }
1144 if (!npar_opt_timeo) {
1145 dev_err(&adapter->pdev->dev,
8a168ca7 1146 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1147 return -EIO;
1148 }
1149 return 0;
1150}
1151
174240a8
RB		 1152static int
1153qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1154{
1155 int err;
1156
1157 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1158 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1159 return 0;
1160
1161 err = qlcnic_set_default_offload_settings(adapter);
1162 if (err)
1163 return err;
1164
1165 err = qlcnic_reset_npar_config(adapter);
1166 if (err)
1167 return err;
1168
1169 qlcnic_dev_set_npar_ready(adapter);
1170
1171 return err;
1172}
1173
7e2cf4fe 1174int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1175{
d4066833 1176 int err;
af19b491 1177
aa5e18c0
SC		 1178 err = qlcnic_can_start_firmware(adapter);
1179 if (err < 0)
1180 return err;
1181 else if (!err)
d4066833 1182 goto check_fw_status;
af19b491 1183
099f7aa7 1184 if (qlcnic_load_fw_file)
4d5bdb38 1185 qlcnic_request_firmware(adapter);
8f891387 1186 else {
8cfdce08
SC		 1187 err = qlcnic_check_flash_fw_ver(adapter);
1188 if (err)
8f891387 1189 goto err_out;
1190
79788450 1191 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1192 }
af19b491
AKS		 1193
1194 err = qlcnic_need_fw_reset(adapter);
af19b491 1195 if (err == 0)
4e70812b 1196 goto check_fw_status;
af19b491 1197
d4066833
SC		 1198 err = qlcnic_pinit_from_rom(adapter);
1199 if (err)
1200 goto err_out;
af19b491
AKS		 1201
1202 err = qlcnic_load_firmware(adapter);
1203 if (err)
1204 goto err_out;
1205
1206 qlcnic_release_firmware(adapter);
d4066833 1207 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1208
d4066833
SC		 1209check_fw_status:
1210 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1211 if (err)
1212 goto err_out;
1213
a15ebd37 1214 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1215 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1216 err = qlcnic_check_eswitch_mode(adapter);
1217 if (err) {
1218 dev_err(&adapter->pdev->dev,
1219 "Memory allocation failed for eswitch\n");
1220 goto err_out;
1221 }
174240a8
RB		 1222 err = qlcnic_set_mgmt_operations(adapter);
1223 if (err)
1224 goto err_out;
1225
1226 qlcnic_check_options(adapter);
af19b491
AKS		 1227 adapter->need_fw_reset = 0;
1228
a7fc948f
AKS		 1229 qlcnic_release_firmware(adapter);
1230 return 0;
af19b491
AKS		 1231
1232err_out:
a15ebd37 1233 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1234 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1235
af19b491
AKS		 1236 qlcnic_release_firmware(adapter);
1237 return err;
1238}
1239
1240static int
1241qlcnic_request_irq(struct qlcnic_adapter *adapter)
1242{
1243 irq_handler_t handler;
1244 struct qlcnic_host_sds_ring *sds_ring;
13159183 1245 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1246 int err, ring;
1247
1248 unsigned long flags = 0;
1249 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1250 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1251
79788450 1252 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1253 if (qlcnic_82xx_check(adapter))
1254 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1255 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1256 flags |= IRQF_SHARED;
1257
1258 } else {
1259 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1260 handler = qlcnic_msix_intr;
1261 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1262 handler = qlcnic_msi_intr;
1263 else {
1264 flags |= IRQF_SHARED;
ac166700
HM		 1265 if (qlcnic_82xx_check(adapter))
1266 handler = qlcnic_intr;
1267 else
1268 handler = qlcnic_83xx_intr;
7eb9855d 1269 }
af19b491
AKS		 1270 }
1271 adapter->irq = netdev->irq;
1272
13159183 1273 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1274 if (qlcnic_82xx_check(adapter) ||
1275 (qlcnic_83xx_check(adapter) &&
1276 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1277 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1278 sds_ring = &recv_ctx->sds_rings[ring];
1279 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1280 "%s[%d]", netdev->name, ring);
1281 err = request_irq(sds_ring->irq, handler, flags,
1282 sds_ring->name, sds_ring);
1283 if (err)
1284 return err;
1285 }
13159183
SC		 1286 }
1287 if (qlcnic_83xx_check(adapter) &&
1288 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
1289 handler = qlcnic_msix_tx_intr;
1290 for (ring = 0; ring < adapter->max_drv_tx_rings;
1291 ring++) {
1292 tx_ring = &adapter->tx_ring[ring];
1293 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1294 "%s[%d]", netdev->name,
ac166700 1295 adapter->max_sds_rings + ring);
13159183
SC		 1296 err = request_irq(tx_ring->irq, handler, flags,
1297 tx_ring->name, tx_ring);
1298 if (err)
1299 return err;
1300 }
1301 }
af19b491 1302 }
af19b491
AKS		 1303 return 0;
1304}
1305
1306static void
1307qlcnic_free_irq(struct qlcnic_adapter *adapter)
1308{
1309 int ring;
1310 struct qlcnic_host_sds_ring *sds_ring;
13159183 1311 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1312
b1fc6d3c 1313 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1314
13159183 1315 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1316 if (qlcnic_82xx_check(adapter) ||
1317 (qlcnic_83xx_check(adapter) &&
1318 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1319 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1320 sds_ring = &recv_ctx->sds_rings[ring];
1321 free_irq(sds_ring->irq, sds_ring);
1322 }
13159183
SC		 1323 }
1324 if (qlcnic_83xx_check(adapter)) {
1325 for (ring = 0; ring < adapter->max_drv_tx_rings;
1326 ring++) {
1327 tx_ring = &adapter->tx_ring[ring];
1328 if (tx_ring->irq)
1329 free_irq(tx_ring->irq, tx_ring);
1330 }
1331 }
af19b491
AKS		 1332 }
1333}
1334
99e85879
SS		 1335static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1336{
1337 u32 capab = 0;
1338
1339 if (qlcnic_82xx_check(adapter)) {
1340 if (adapter->ahw->capabilities2 &
1341 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1342 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1343 } else {
1344 capab = adapter->ahw->capabilities;
1345 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1346 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1347 }
1348}
1349
319ecf12 1350int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1351{
8a15ad1f
AKS		 1352 int ring;
1353 struct qlcnic_host_rds_ring *rds_ring;
1354
af19b491
AKS		 1355 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1356 return -EIO;
1357
8a15ad1f
AKS		 1358 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1359 return 0;
0325d69b
RB		 1360 if (qlcnic_set_eswitch_port_config(adapter))
1361 return -EIO;
99e85879 1362 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1363
8a15ad1f
AKS		 1364 if (qlcnic_fw_create_ctx(adapter))
1365 return -EIO;
1366
1367 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1368 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1369 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1370 }
1371
af19b491
AKS		 1372 qlcnic_set_multi(netdev);
1373 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1374
b1fc6d3c 1375 adapter->ahw->linkup = 0;
af19b491
AKS		 1376
1377 if (adapter->max_sds_rings > 1)
1378 qlcnic_config_rss(adapter, 1);
1379
1380 qlcnic_config_intr_coalesce(adapter);
1381
24763d80 1382 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1383 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1384
1385 qlcnic_napi_enable(adapter);
1386
1387 qlcnic_linkevent_request(adapter, 1);
1388
79788450 1389 adapter->ahw->reset_context = 0;
af19b491
AKS		 1390 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1391 return 0;
1392}
1393
629263ac 1394int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1395{
1396 int err = 0;
1397
1398 rtnl_lock();
1399 if (netif_running(netdev))
1400 err = __qlcnic_up(adapter, netdev);
1401 rtnl_unlock();
1402
1403 return err;
1404}
1405
319ecf12 1406void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1407{
1408 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1409 return;
1410
1411 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1412 return;
1413
1414 smp_mb();
1415 spin_lock(&adapter->tx_clean_lock);
1416 netif_carrier_off(netdev);
0a46bac0 1417 adapter->ahw->linkup = 0;
af19b491
AKS		 1418 netif_tx_disable(netdev);
1419
1420 qlcnic_free_mac_list(adapter);
1421
b5e5492c
AKS		 1422 if (adapter->fhash.fnum)
1423 qlcnic_delete_lb_filters(adapter);
1424
af19b491
AKS		 1425 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1426
1427 qlcnic_napi_disable(adapter);
1428
8a15ad1f 1429 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1430 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1431
1432 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1433 qlcnic_release_tx_buffers(adapter);
1434 spin_unlock(&adapter->tx_clean_lock);
1435}
1436
1437/* Usage: During suspend and firmware recovery module */
1438
629263ac 1439void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1440{
1441 rtnl_lock();
1442 if (netif_running(netdev))
1443 __qlcnic_down(adapter, netdev);
1444 rtnl_unlock();
1445
1446}
1447
319ecf12 1448int
af19b491
AKS		 1449qlcnic_attach(struct qlcnic_adapter *adapter)
1450{
1451 struct net_device *netdev = adapter->netdev;
1452 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1453 int err;
af19b491
AKS		 1454
1455 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1456 return 0;
1457
af19b491
AKS		 1458 err = qlcnic_napi_add(adapter, netdev);
1459 if (err)
1460 return err;
1461
1462 err = qlcnic_alloc_sw_resources(adapter);
1463 if (err) {
1464 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1465 goto err_out_napi_del;
af19b491
AKS		 1466 }
1467
1468 err = qlcnic_alloc_hw_resources(adapter);
1469 if (err) {
1470 dev_err(&pdev->dev, "Error in setting hw resources\n");
1471 goto err_out_free_sw;
1472 }
1473
af19b491
AKS		 1474 err = qlcnic_request_irq(adapter);
1475 if (err) {
1476 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1477 goto err_out_free_hw;
af19b491
AKS		 1478 }
1479
af19b491
AKS		 1480 qlcnic_create_sysfs_entries(adapter);
1481
1482 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1483 return 0;
1484
8a15ad1f 1485err_out_free_hw:
af19b491
AKS		 1486 qlcnic_free_hw_resources(adapter);
1487err_out_free_sw:
1488 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1489err_out_napi_del:
1490 qlcnic_napi_del(adapter);
af19b491
AKS		 1491 return err;
1492}
1493
319ecf12 1494void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1495{
1496 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1497 return;
1498
1499 qlcnic_remove_sysfs_entries(adapter);
1500
1501 qlcnic_free_hw_resources(adapter);
1502 qlcnic_release_rx_buffers(adapter);
1503 qlcnic_free_irq(adapter);
1504 qlcnic_napi_del(adapter);
1505 qlcnic_free_sw_resources(adapter);
1506
1507 adapter->is_up = 0;
1508}
1509
7eb9855d
AKS		 1510void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1511{
1512 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1513 struct qlcnic_host_sds_ring *sds_ring;
1514 int ring;
1515
78ad3892 1516 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1517 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1518 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1519 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1520 qlcnic_disable_int(sds_ring);
cdaff185 1521 }
7eb9855d
AKS		 1522 }
1523
8a15ad1f
AKS		 1524 qlcnic_fw_destroy_ctx(adapter);
1525
7eb9855d
AKS		 1526 qlcnic_detach(adapter);
1527
79788450 1528 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1529 adapter->max_sds_rings = max_sds_rings;
1530
1531 if (qlcnic_attach(adapter))
34ce3626 1532 goto out;
7eb9855d
AKS		 1533
1534 if (netif_running(netdev))
1535 __qlcnic_up(adapter, netdev);
34ce3626 1536out:
7eb9855d
AKS		 1537 netif_device_attach(netdev);
1538}
1539
b1fc6d3c
AC		 1540static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1541{
1542 int err = 0;
b1fc6d3c
AC		 1543 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1544 GFP_KERNEL);
1545 if (!adapter->recv_ctx) {
b1fc6d3c 1546 err = -ENOMEM;
8816d009 1547 goto err_out;
b1fc6d3c 1548 }
8816d009
AC		 1549 /* Initialize interrupt coalesce parameters */
1550 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1551 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1552 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1553 /* clear stats */
1554 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1555err_out:
1556 return err;
1557}
1558
1559static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1560{
1561 kfree(adapter->recv_ctx);
1562 adapter->recv_ctx = NULL;
1563
18f2f616
AC		 1564 if (adapter->ahw->fw_dump.tmpl_hdr) {
1565 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1566 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1567 }
4be41e92 1568
81d0aeb0 1569 kfree(adapter->ahw->reset.buff);
4be41e92 1570 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1571}
1572
7eb9855d
AKS		 1573int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1574{
1575 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1576 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1577 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1578 int ring;
1579 int ret;
1580
1581 netif_device_detach(netdev);
1582
1583 if (netif_running(netdev))
1584 __qlcnic_down(adapter, netdev);
1585
1586 qlcnic_detach(adapter);
1587
1588 adapter->max_sds_rings = 1;
79788450 1589 adapter->ahw->diag_test = test;
4be41e92 1590 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1591
1592 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1593 if (ret) {
1594 netif_device_attach(netdev);
7eb9855d 1595 return ret;
34ce3626 1596 }
7eb9855d 1597
8a15ad1f
AKS		 1598 ret = qlcnic_fw_create_ctx(adapter);
1599 if (ret) {
1600 qlcnic_detach(adapter);
57e46248 1601 netif_device_attach(netdev);
8a15ad1f
AKS		 1602 return ret;
1603 }
1604
1605 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1606 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1607 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1608 }
1609
79788450 1610 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1611 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1612 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1613 qlcnic_enable_int(sds_ring);
cdaff185 1614 }
7eb9855d 1615 }
22c8c934 1616
79788450 1617 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1618 adapter->ahw->loopback_state = 0;
1619 qlcnic_linkevent_request(adapter, 1);
1620 }
1621
78ad3892 1622 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1623
1624 return 0;
1625}
1626
68bf1c68
AKS		 1627/* Reset context in hardware only */
1628static int
1629qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1630{
1631 struct net_device *netdev = adapter->netdev;
1632
1633 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1634 return -EBUSY;
1635
1636 netif_device_detach(netdev);
1637
1638 qlcnic_down(adapter, netdev);
1639
1640 qlcnic_up(adapter, netdev);
1641
1642 netif_device_attach(netdev);
1643
1644 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1645 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1646 return 0;
1647}
1648
af19b491
AKS		 1649int
1650qlcnic_reset_context(struct qlcnic_adapter *adapter)
1651{
1652 int err = 0;
1653 struct net_device *netdev = adapter->netdev;
1654
1655 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1656 return -EBUSY;
1657
1658 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1659
1660 netif_device_detach(netdev);
1661
1662 if (netif_running(netdev))
1663 __qlcnic_down(adapter, netdev);
1664
1665 qlcnic_detach(adapter);
1666
1667 if (netif_running(netdev)) {
1668 err = qlcnic_attach(adapter);
1d5c88e3 1669 if (!err) {
34ce3626 1670 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1671 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1672 }
af19b491
AKS		 1673 }
1674
1675 netif_device_attach(netdev);
1676 }
1677
af19b491
AKS		 1678 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1679 return err;
1680}
1681
f8468331 1682int
5ad6ff9d
SC		 1683qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1684 int pci_using_dac)
af19b491
AKS		 1685{
1686 int err;
1687 struct pci_dev *pdev = adapter->pdev;
1688
13159183 1689 adapter->rx_csum = 1;
79788450 1690 adapter->ahw->mc_enabled = 0;
13159183 1691 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1692
1693 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1694 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1695
1696 qlcnic_change_mtu(netdev, netdev->mtu);
1697
1698 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1699
7e38d04b 1700 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183
SC		 1701 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1702 NETIF_F_HW_VLAN_RX);
1703 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1704 NETIF_F_IPV6_CSUM);
ac8d0c4f 1705
13159183
SC		 1706 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1707 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1708 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1709 }
af19b491 1710
13159183
SC		 1711 if (pci_using_dac) {
1712 netdev->features |= NETIF_F_HIGHDMA;
1713 netdev->vlan_features |= NETIF_F_HIGHDMA;
1714 }
af19b491 1715
13159183
SC		 1716 if (qlcnic_vlan_tx_check(adapter))
1717 netdev->features |= (NETIF_F_HW_VLAN_TX);
135d84a9 1718
13159183
SC		 1719 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1720 netdev->features |= NETIF_F_LRO;
135d84a9 1721
7e38d04b 1722 netdev->hw_features = netdev->features;
af19b491
AKS		 1723 netdev->irq = adapter->msix_entries[0].vector;
1724
af19b491
AKS		 1725 err = register_netdev(netdev);
1726 if (err) {
1727 dev_err(&pdev->dev, "failed to register net device\n");
1728 return err;
1729 }
1730
1731 return 0;
1732}
1733
5ad6ff9d 1734static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1735{
1736 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1737 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1738 *pci_using_dac = 1;
1739 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1740 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1741 *pci_using_dac = 0;
1742 else {
1743 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1744 return -EIO;
1745 }
1746
1747 return 0;
1748}
1749
4be41e92
SC		 1750void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1751{
1752 int ring;
1753 struct qlcnic_host_tx_ring *tx_ring;
1754
1755 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1756 tx_ring = &adapter->tx_ring[ring];
1757 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1758 vfree(tx_ring->cmd_buf_arr);
1759 tx_ring->cmd_buf_arr = NULL;
1760 }
1761 }
1762 if (adapter->tx_ring != NULL)
1763 kfree(adapter->tx_ring);
1764}
1765
1766int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1767 struct net_device *netdev)
1768{
b2adaca9 1769 int ring, vector, index;
4be41e92
SC		 1770 struct qlcnic_host_tx_ring *tx_ring;
1771 struct qlcnic_cmd_buffer *cmd_buf_arr;
1772
b2adaca9
JP		 1773 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1774 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1775 if (tx_ring == NULL)
4be41e92 1776 return -ENOMEM;
b2adaca9 1777
4be41e92
SC		 1778 adapter->tx_ring = tx_ring;
1779
1780 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1781 tx_ring = &adapter->tx_ring[ring];
1782 tx_ring->num_desc = adapter->num_txd;
1783 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1784 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1785 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1786 qlcnic_free_tx_rings(adapter);
1787 return -ENOMEM;
1788 }
1789 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1790 tx_ring->cmd_buf_arr = cmd_buf_arr;
1791 }
1792
1793 if (qlcnic_83xx_check(adapter)) {
1794 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1795 tx_ring = &adapter->tx_ring[ring];
1796 tx_ring->adapter = adapter;
1797 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1798 index = adapter->max_sds_rings + ring;
1799 vector = adapter->msix_entries[index].vector;
1800 tx_ring->irq = vector;
1801 }
1802 }
1803 }
1804 return 0;
1805}
1806
6bb58bb0 1807static int
af19b491
AKS		 1808qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1809{
1810 struct net_device *netdev = NULL;
1811 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1812 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1813 int err, pci_using_dac = -1;
c84e340a 1814 u32 capab2;
7bc48646 1815 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 1816
f8468331
RB		 1817 if (pdev->is_virtfn)
1818 return -ENODEV;
1819
af19b491
AKS		 1820 err = pci_enable_device(pdev);
1821 if (err)
1822 return err;
1823
1824 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1825 err = -ENODEV;
1826 goto err_out_disable_pdev;
1827 }
1828
1bb09fb9
AKS		 1829 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1830 if (err)
1831 goto err_out_disable_pdev;
1832
af19b491
AKS		 1833 err = pci_request_regions(pdev, qlcnic_driver_name);
1834 if (err)
1835 goto err_out_disable_pdev;
1836
1837 pci_set_master(pdev);
451724c8 1838 pci_enable_pcie_error_reporting(pdev);
af19b491 1839
7e2cf4fe
SC		 1840 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1841 if (!ahw)
1842 goto err_out_free_res;
1843
f8468331
RB		 1844 switch (ent->device) {
1845 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 1846 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 1847 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
1848 break;
1849 case PCI_DEVICE_ID_QLOGIC_QLE834X:
13159183 1850 qlcnic_83xx_register_map(ahw);
f8468331
RB		 1851 break;
1852 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1853 qlcnic_sriov_vf_register_map(ahw);
1854 break;
1855 default:
13159183 1856 goto err_out_free_hw_res;
7e2cf4fe
SC		 1857 }
1858
1859 err = qlcnic_setup_pci_map(pdev, ahw);
1860 if (err)
1861 goto err_out_free_hw_res;
1862
af19b491
AKS		 1863 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1864 if (!netdev) {
af19b491 1865 err = -ENOMEM;
7e2cf4fe 1866 goto err_out_iounmap;
af19b491
AKS		 1867 }
1868
1869 SET_NETDEV_DEV(netdev, &pdev->dev);
1870
1871 adapter = netdev_priv(netdev);
1872 adapter->netdev = netdev;
1873 adapter->pdev = pdev;
13159183
SC		 1874 adapter->ahw = ahw;
1875
1876 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1877 if (adapter->qlcnic_wq == NULL) {
1878 dev_err(&pdev->dev, "Failed to create workqueue\n");
1879 goto err_out_free_netdev;
1880 }
af19b491 1881
2dfc9671
PST		 1882 err = qlcnic_alloc_adapter_resources(adapter);
1883 if (err)
b1fc6d3c
AC		 1884 goto err_out_free_netdev;
1885
1886 adapter->dev_rst_time = jiffies;
7e2cf4fe 1887 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1888 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1889 adapter->fdb_mac_learn = true;
1890 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1891 adapter->drv_mac_learn = true;
7e2cf4fe 1892 adapter->max_drv_tx_rings = 1;
af19b491 1893
b1fc6d3c
AC		 1894 rwlock_init(&adapter->ahw->crb_lock);
1895 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1896
1897 spin_lock_init(&adapter->tx_clean_lock);
1898 INIT_LIST_HEAD(&adapter->mac_list);
1899
7e2cf4fe 1900 if (qlcnic_82xx_check(adapter)) {
13159183 1901 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1902 adapter->portnum = adapter->ahw->pci_func;
1903 err = qlcnic_start_firmware(adapter);
1904 if (err) {
1905 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1906 goto err_out_free_hw;
1907 }
af19b491 1908
7e2cf4fe
SC		 1909 err = qlcnic_setup_idc_param(adapter);
1910 if (err)
1911 goto err_out_free_hw;
b0044bcf 1912
7e2cf4fe 1913 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1914 } else if (qlcnic_83xx_check(adapter)) {
1915 qlcnic_83xx_check_vf(adapter, ent);
1916 adapter->portnum = adapter->ahw->pci_func;
f8468331 1917 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 1918 if (err) {
1919 dev_err(&pdev->dev, "%s: failed\n", __func__);
1920 goto err_out_free_hw;
1921 }
f8468331
RB		 1922 if (qlcnic_sriov_vf_check(adapter))
1923 return 0;
13159183
SC		 1924 } else {
1925 dev_err(&pdev->dev,
1926 "%s: failed. Please Reboot\n", __func__);
1927 goto err_out_free_hw;
a7fc948f 1928 }
af19b491 1929
da48e6c3
RB		 1930 if (qlcnic_read_mac_addr(adapter))
1931 dev_warn(&pdev->dev, "failed to read mac addr\n");
1932
1933 if (adapter->portnum == 0) {
22999798 1934 qlcnic_get_board_name(adapter, board_name);
13159183 1935
da48e6c3 1936 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1937 module_name(THIS_MODULE),
1938 board_name, adapter->ahw->revision_id);
da48e6c3 1939 }
460374f7
HM		 1940
1941 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
1942 !!qlcnic_use_msi)
1943 dev_warn(&pdev->dev,
1944 "83xx adapter do not support MSI interrupts\n");
1945
7e2cf4fe 1946 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 1947 if (err) {
1948 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 1949 goto err_out_disable_msi;
9a97e705 1950 }
f94bc1e7 1951
13159183
SC		 1952 if (qlcnic_83xx_check(adapter)) {
1953 err = qlcnic_83xx_setup_mbx_intr(adapter);
1954 if (err)
1955 goto err_out_disable_msi;
1956 }
af19b491 1957
1bb09fb9 1958 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1959 if (err)
7e2cf4fe 1960 goto err_out_disable_mbx_intr;
af19b491 1961
c84e340a
SV		 1962 if (qlcnic_82xx_check(adapter)) {
1963 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1964 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1965 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1966 qlcnic_fw_cmd_set_drv_version(adapter);
1967 }
1968 }
1969
af19b491
AKS		 1970 pci_set_drvdata(pdev, adapter);
1971
97ee45eb
SC		 1972 if (qlcnic_82xx_check(adapter))
1973 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1974 FW_POLL_DELAY);
af19b491 1975
b1fc6d3c 1976 switch (adapter->ahw->port_type) {
af19b491
AKS		 1977 case QLCNIC_GBE:
1978 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1979 adapter->netdev->name);
1980 break;
1981 case QLCNIC_XGBE:
1982 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1983 adapter->netdev->name);
1984 break;
1985 }
1986
7e2cf4fe
SC		 1987 if (qlcnic_get_act_pci_func(adapter))
1988 goto err_out_disable_mbx_intr;
1989
fe1adc6b 1990 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 1991 qlcnic_alloc_lb_filters_mem(adapter);
1992
7e2cf4fe 1993 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1994
1995 return 0;
1996
7e2cf4fe 1997err_out_disable_mbx_intr:
7dd90cf1 1998 if (qlcnic_83xx_check(adapter))
13159183 1999 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2000
af19b491
AKS		 2001err_out_disable_msi:
2002 qlcnic_teardown_intr(adapter);
7e2cf4fe 2003 qlcnic_cancel_idc_work(adapter);
21854f02 2004 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2005
b1fc6d3c
AC		 2006err_out_free_hw:
2007 qlcnic_free_adapter_resources(adapter);
2008
af19b491
AKS		 2009err_out_free_netdev:
2010 free_netdev(netdev);
2011
7e2cf4fe
SC		 2012err_out_iounmap:
2013 qlcnic_cleanup_pci_map(adapter);
2014
2015err_out_free_hw_res:
2016 kfree(ahw);
2017
af19b491
AKS		 2018err_out_free_res:
2019 pci_release_regions(pdev);
2020
2021err_out_disable_pdev:
2022 pci_set_drvdata(pdev, NULL);
2023 pci_disable_device(pdev);
2024 return err;
2025}
2026
6bb58bb0 2027static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2028{
2029 struct qlcnic_adapter *adapter;
2030 struct net_device *netdev;
13159183 2031 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2032
2033 adapter = pci_get_drvdata(pdev);
2034 if (adapter == NULL)
2035 return;
2036
2037 netdev = adapter->netdev;
02feda17 2038 qlcnic_sriov_pf_disable(adapter);
af19b491 2039
13159183
SC		 2040 qlcnic_cancel_idc_work(adapter);
2041 ahw = adapter->ahw;
af19b491
AKS		 2042
2043 unregister_netdev(netdev);
02feda17 2044 qlcnic_sriov_cleanup(adapter);
af19b491 2045
13159183 2046 if (qlcnic_83xx_check(adapter)) {
13159183 2047 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2048 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2049 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2050 }
2051
af19b491
AKS		 2052 qlcnic_detach(adapter);
2053
2e9d722d
AC		 2054 if (adapter->npars != NULL)
2055 kfree(adapter->npars);
2056 if (adapter->eswitch != NULL)
2057 kfree(adapter->eswitch);
2058
97ee45eb
SC		 2059 if (qlcnic_82xx_check(adapter))
2060 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2061
2062 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2063
b5e5492c
AKS		 2064 qlcnic_free_lb_filters_mem(adapter);
2065
af19b491
AKS		 2066 qlcnic_teardown_intr(adapter);
2067
13159183 2068 qlcnic_remove_sysfs(adapter);
af19b491
AKS		 2069
2070 qlcnic_cleanup_pci_map(adapter);
2071
2072 qlcnic_release_firmware(adapter);
2073
451724c8 2074 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2075 pci_release_regions(pdev);
2076 pci_disable_device(pdev);
2077 pci_set_drvdata(pdev, NULL);
2078
13159183
SC		 2079 if (adapter->qlcnic_wq) {
2080 destroy_workqueue(adapter->qlcnic_wq);
2081 adapter->qlcnic_wq = NULL;
2082 }
b1fc6d3c 2083 qlcnic_free_adapter_resources(adapter);
13159183 2084 kfree(ahw);
af19b491
AKS		 2085 free_netdev(netdev);
2086}
2087static int __qlcnic_shutdown(struct pci_dev *pdev)
2088{
2089 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2090 struct net_device *netdev = adapter->netdev;
2091 int retval;
2092
2093 netif_device_detach(netdev);
2094
13159183 2095 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2096
2097 if (netif_running(netdev))
2098 qlcnic_down(adapter, netdev);
2099
97ee45eb
SC		 2100 if (qlcnic_82xx_check(adapter))
2101 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2102
2103 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2104
2105 retval = pci_save_state(pdev);
2106 if (retval)
2107 return retval;
97ee45eb
SC		 2108 if (qlcnic_82xx_check(adapter)) {
2109 if (qlcnic_wol_supported(adapter)) {
2110 pci_enable_wake(pdev, PCI_D3cold, 1);
2111 pci_enable_wake(pdev, PCI_D3hot, 1);
2112 }
af19b491
AKS		 2113 }
2114
2115 return 0;
2116}
2117
2118static void qlcnic_shutdown(struct pci_dev *pdev)
2119{
2120 if (__qlcnic_shutdown(pdev))
2121 return;
2122
2123 pci_disable_device(pdev);
2124}
2125
2126#ifdef CONFIG_PM
2127static int
2128qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2129{
2130 int retval;
2131
2132 retval = __qlcnic_shutdown(pdev);
2133 if (retval)
2134 return retval;
2135
2136 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2137 return 0;
2138}
2139
2140static int
2141qlcnic_resume(struct pci_dev *pdev)
2142{
2143 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2144 struct net_device *netdev = adapter->netdev;
2145 int err;
2146
2147 err = pci_enable_device(pdev);
2148 if (err)
2149 return err;
2150
2151 pci_set_power_state(pdev, PCI_D0);
2152 pci_set_master(pdev);
2153 pci_restore_state(pdev);
2154
13159183 2155 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2156 if (err) {
2157 dev_err(&pdev->dev, "failed to start firmware\n");
2158 return err;
2159 }
2160
2161 if (netif_running(netdev)) {
af19b491
AKS		 2162 err = qlcnic_up(adapter, netdev);
2163 if (err)
52486a3a 2164 goto done;
af19b491 2165
aec1e845 2166 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2167 }
52486a3a 2168done:
af19b491
AKS		 2169 netif_device_attach(netdev);
2170 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2171 return 0;
af19b491
AKS		 2172}
2173#endif
2174
2175static int qlcnic_open(struct net_device *netdev)
2176{
2177 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2178 int err;
2179
c55ad8e5
AKS		 2180 netif_carrier_off(netdev);
2181
af19b491
AKS		 2182 err = qlcnic_attach(adapter);
2183 if (err)
2184 return err;
2185
2186 err = __qlcnic_up(adapter, netdev);
2187 if (err)
2188 goto err_out;
2189
2190 netif_start_queue(netdev);
2191
2192 return 0;
2193
2194err_out:
2195 qlcnic_detach(adapter);
2196 return err;
2197}
2198
2199/*
2200 * qlcnic_close - Disables a network interface entry point
2201 */
2202static int qlcnic_close(struct net_device *netdev)
2203{
2204 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2205
2206 __qlcnic_down(adapter, netdev);
13159183 2207
af19b491
AKS		 2208 return 0;
2209}
2210
e5dcf6dc 2211void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2212{
2213 void *head;
2214 int i;
13159183
SC		 2215 struct net_device *netdev = adapter->netdev;
2216 u32 filter_size = 0;
2217 u16 act_pci_func = 0;
b5e5492c 2218
e5dcf6dc 2219 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2220 return;
2221
13159183 2222 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2223 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2224 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2225
13159183
SC		 2226 if (qlcnic_82xx_check(adapter)) {
2227 filter_size = QLCNIC_LB_MAX_FILTERS;
2228 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2229 } else {
2230 filter_size = QLC_83XX_LB_MAX_FILTERS;
2231 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2232 }
2233
2234 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2235 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2236
b5e5492c
AKS		 2237 if (!head)
2238 return;
2239
13159183 2240 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2241 adapter->fhash.fhead = head;
b5e5492c 2242
13159183
SC		 2243 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2244 act_pci_func, adapter->fhash.fmax);
2245
2246 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2247 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2248
2249 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2250
2251 head = kcalloc(adapter->rx_fhash.fbucket_size,
2252 sizeof(struct hlist_head), GFP_ATOMIC);
2253
2254 if (!head)
2255 return;
2256
2257 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2258 adapter->rx_fhash.fhead = head;
2259
2260 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2261 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2262}
2263
2264static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2265{
2266 if (adapter->fhash.fmax && adapter->fhash.fhead)
2267 kfree(adapter->fhash.fhead);
2268
2269 adapter->fhash.fhead = NULL;
2270 adapter->fhash.fmax = 0;
53643a75
SS		 2271
2272 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2273 kfree(adapter->rx_fhash.fhead);
2274
2275 adapter->rx_fhash.fmax = 0;
2276 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2277}
2278
629263ac 2279int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2280{
2281 struct net_device *netdev = adapter->netdev;
97ee45eb 2282 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2283 int rv = 0;
2284
13159183
SC		 2285 if (qlcnic_83xx_check(adapter))
2286 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2287
97ee45eb 2288 if (qlcnic_82xx_check(adapter))
a15ebd37 2289 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2290
2291 temp_state = qlcnic_get_temp_state(temp);
2292 temp_val = qlcnic_get_temp_val(temp);
2293
2294 if (temp_state == QLCNIC_TEMP_PANIC) {
2295 dev_err(&netdev->dev,
2296 "Device temperature %d degrees C exceeds"
2297 " maximum allowed. Hardware has been shut down.\n",
2298 temp_val);
2299 rv = 1;
2300 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2301 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2302 dev_err(&netdev->dev,
2303 "Device temperature %d degrees C "
2304 "exceeds operating range."
2305 " Immediate action needed.\n",
2306 temp_val);
2307 }
2308 } else {
79788450 2309 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2310 dev_info(&netdev->dev,
2311 "Device temperature is now %d degrees C"
2312 " in normal range.\n", temp_val);
2313 }
2314 }
79788450 2315 adapter->ahw->temp = temp_state;
af19b491
AKS		 2316 return rv;
2317}
2318
af19b491
AKS		 2319static void qlcnic_tx_timeout(struct net_device *netdev)
2320{
2321 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2322
2323 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2324 return;
2325
2326 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2327
2328 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2329 adapter->need_fw_reset = 1;
2330 else
79788450 2331 adapter->ahw->reset_context = 1;
af19b491
AKS		 2332}
2333
2334static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2335{
2336 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2337 struct net_device_stats *stats = &netdev->stats;
2338
af19b491
AKS		 2339 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2340 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2341 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2342 stats->tx_bytes = adapter->stats.txbytes;
2343 stats->rx_dropped = adapter->stats.rxdropped;
2344 stats->tx_dropped = adapter->stats.txdropped;
2345
2346 return stats;
2347}
2348
7e2cf4fe 2349irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2350{
af19b491
AKS		 2351 u32 status;
2352
2353 status = readl(adapter->isr_int_vec);
2354
79788450 2355 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2356 return IRQ_NONE;
2357
2358 /* check interrupt state machine, to be sure */
2359 status = readl(adapter->crb_int_state_reg);
2360 if (!ISR_LEGACY_INT_TRIGGERED(status))
2361 return IRQ_NONE;
2362
2363 writel(0xffffffff, adapter->tgt_status_reg);
2364 /* read twice to ensure write is flushed */
2365 readl(adapter->isr_int_vec);
2366 readl(adapter->isr_int_vec);
2367
7eb9855d
AKS		 2368 return IRQ_HANDLED;
2369}
2370
2371static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2372{
2373 struct qlcnic_host_sds_ring *sds_ring = data;
2374 struct qlcnic_adapter *adapter = sds_ring->adapter;
2375
2376 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2377 goto done;
2378 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2379 writel(0xffffffff, adapter->tgt_status_reg);
2380 goto done;
2381 }
2382
2383 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2384 return IRQ_NONE;
2385
2386done:
79788450 2387 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2388 qlcnic_enable_int(sds_ring);
2389 return IRQ_HANDLED;
2390}
2391
2392static irqreturn_t qlcnic_intr(int irq, void *data)
2393{
2394 struct qlcnic_host_sds_ring *sds_ring = data;
2395 struct qlcnic_adapter *adapter = sds_ring->adapter;
2396
2397 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2398 return IRQ_NONE;
2399
af19b491
AKS		 2400 napi_schedule(&sds_ring->napi);
2401
2402 return IRQ_HANDLED;
2403}
2404
2405static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2406{
2407 struct qlcnic_host_sds_ring *sds_ring = data;
2408 struct qlcnic_adapter *adapter = sds_ring->adapter;
2409
2410 /* clear interrupt */
2411 writel(0xffffffff, adapter->tgt_status_reg);
2412
2413 napi_schedule(&sds_ring->napi);
2414 return IRQ_HANDLED;
2415}
2416
2417static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2418{
2419 struct qlcnic_host_sds_ring *sds_ring = data;
2420
2421 napi_schedule(&sds_ring->napi);
2422 return IRQ_HANDLED;
2423}
2424
13159183
SC		 2425static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2426{
2427 struct qlcnic_host_tx_ring *tx_ring = data;
2428
2429 napi_schedule(&tx_ring->napi);
2430 return IRQ_HANDLED;
2431}
2432
af19b491
AKS		 2433#ifdef CONFIG_NET_POLL_CONTROLLER
2434static void qlcnic_poll_controller(struct net_device *netdev)
2435{
bf82791e
YL		 2436 int ring;
2437 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2438 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2439 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2440
af19b491 2441 disable_irq(adapter->irq);
bf82791e
YL		 2442 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2443 sds_ring = &recv_ctx->sds_rings[ring];
2444 qlcnic_intr(adapter->irq, sds_ring);
2445 }
af19b491
AKS		 2446 enable_irq(adapter->irq);
2447}
2448#endif
2449
6df900e9
SC		 2450static void
2451qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2452{
2453 u32 val;
2454
2455 val = adapter->portnum & 0xf;
2456 val |= encoding << 7;
2457 val |= (jiffies - adapter->dev_rst_time) << 8;
2458
a15ebd37 2459 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2460 adapter->dev_rst_time = jiffies;
2461}
2462
ade91f8e
AKS		 2463static int
2464qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2465{
2466 u32 val;
2467
2468 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2469 state != QLCNIC_DEV_NEED_QUISCENT);
2470
2471 if (qlcnic_api_lock(adapter))
ade91f8e 2472 return -EIO;
af19b491 2473
a15ebd37 2474 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2475
2476 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2477 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2478 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2479 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2480
a15ebd37 2481 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2482
2483 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2484
2485 return 0;
af19b491
AKS		 2486}
2487
1b95a839
AKS		 2488static int
2489qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2490{
2491 u32 val;
2492
2493 if (qlcnic_api_lock(adapter))
2494 return -EBUSY;
2495
a15ebd37 2496 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2497 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2498 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2499
2500 qlcnic_api_unlock(adapter);
2501
2502 return 0;
2503}
2504
af19b491 2505static void
21854f02 2506qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2507{
2508 u32 val;
2509
2510 if (qlcnic_api_lock(adapter))
2511 goto err;
2512
a15ebd37 2513 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2514 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2515 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2516
21854f02 2517 if (failed) {
a15ebd37
HM		 2518 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2519 QLCNIC_DEV_FAILED);
21854f02
AKS		 2520 dev_info(&adapter->pdev->dev,
2521 "Device state set to Failed. Please Reboot\n");
2522 } else if (!(val & 0x11111111))
a15ebd37
HM		 2523 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2524 QLCNIC_DEV_COLD);
af19b491 2525
a15ebd37 2526 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2527 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2528 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2529
2530 qlcnic_api_unlock(adapter);
2531err:
2532 adapter->fw_fail_cnt = 0;
032a13c7 2533 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2534 clear_bit(__QLCNIC_START_FW, &adapter->state);
2535 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2536}
2537
f73dfc50 2538/* Grab api lock, before checking state */
af19b491
AKS		 2539static int
2540qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2541{
602ca6f0 2542 int act, state, active_mask;
a15ebd37 2543 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2544
a15ebd37
HM		 2545 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2546 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2547
602ca6f0 2548 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2549 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2550 act = act & active_mask;
2551 }
2552
af19b491
AKS		 2553 if (((state & 0x11111111) == (act & 0x11111111)) ||
2554 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2555 return 0;
2556 else
2557 return 1;
2558}
2559
96f8118c
SC		 2560static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2561{
a15ebd37 2562 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2563
2564 if (val != QLCNIC_DRV_IDC_VER) {
2565 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2566 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2567 }
2568
2569 return 0;
2570}
2571
af19b491
AKS		 2572static int
2573qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2574{
2575 u32 val, prev_state;
aa5e18c0 2576 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2577 u8 portnum = adapter->portnum;
96f8118c 2578 u8 ret;
af19b491 2579
f73dfc50
AKS		 2580 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2581 return 1;
2582
af19b491
AKS		 2583 if (qlcnic_api_lock(adapter))
2584 return -1;
2585
a15ebd37 2586 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2587 if (!(val & (1 << (portnum * 4)))) {
2588 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2589 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2590 }
2591
a15ebd37 2592 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2593 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2594
2595 switch (prev_state) {
2596 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2597 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2598 QLCNIC_DEV_INITIALIZING);
2599 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2600 QLCNIC_DRV_IDC_VER);
6df900e9 2601 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2602 qlcnic_api_unlock(adapter);
2603 return 1;
2604
2605 case QLCNIC_DEV_READY:
96f8118c 2606 ret = qlcnic_check_idc_ver(adapter);
af19b491 2607 qlcnic_api_unlock(adapter);
96f8118c 2608 return ret;
af19b491
AKS		 2609
2610 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2611 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2612 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2613 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2614 break;
2615
2616 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2617 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2618 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2619 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2620 break;
2621
2622 case QLCNIC_DEV_FAILED:
a7fc948f 2623 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2624 qlcnic_api_unlock(adapter);
2625 return -1;
bbd8c6a4
AKS		 2626
2627 case QLCNIC_DEV_INITIALIZING:
2628 case QLCNIC_DEV_QUISCENT:
2629 break;
af19b491
AKS		 2630 }
2631
2632 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2633
2634 do {
af19b491 2635 msleep(1000);
a15ebd37 2636 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2637
2638 if (prev_state == QLCNIC_DEV_QUISCENT)
2639 continue;
2640 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2641
65b5b420
AKS		 2642 if (!dev_init_timeo) {
2643 dev_err(&adapter->pdev->dev,
2644 "Waiting for device to initialize timeout\n");
af19b491 2645 return -1;
65b5b420 2646 }
af19b491
AKS		 2647
2648 if (qlcnic_api_lock(adapter))
2649 return -1;
2650
a15ebd37 2651 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2652 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2653 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2654
96f8118c 2655 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2656 qlcnic_api_unlock(adapter);
2657
96f8118c 2658 return ret;
af19b491
AKS		 2659}
2660
2661static void
2662qlcnic_fwinit_work(struct work_struct *work)
2663{
2664 struct qlcnic_adapter *adapter = container_of(work,
2665 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2666 u32 dev_state = 0xf;
7b749ff4 2667 u32 val;
af19b491 2668
f73dfc50
AKS		 2669 if (qlcnic_api_lock(adapter))
2670 goto err_ret;
af19b491 2671
a15ebd37 2672 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2673 if (dev_state == QLCNIC_DEV_QUISCENT ||
2674 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2675 qlcnic_api_unlock(adapter);
2676 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2677 FW_POLL_DELAY * 2);
2678 return;
2679 }
2680
79788450 2681 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2682 qlcnic_api_unlock(adapter);
2683 goto wait_npar;
9f26f547
AC		 2684 }
2685
16e3cf73
SV		 2686 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2687 dev_state == QLCNIC_DEV_READY) {
2688 dev_info(&adapter->pdev->dev, "Detected state change from "
2689 "DEV_NEED_RESET, skipping ack check\n");
2690 goto skip_ack_check;
2691 }
2692
f73dfc50 2693 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2694 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2695 adapter->reset_ack_timeo);
2696 goto skip_ack_check;
2697 }
2698
2699 if (!qlcnic_check_drv_state(adapter)) {
2700skip_ack_check:
a15ebd37 2701 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2702
f73dfc50 2703 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2704 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2705 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2706 set_bit(__QLCNIC_START_FW, &adapter->state);
2707 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2708 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2709 val = QLC_SHARED_REG_RD32(adapter,
2710 QLCNIC_CRB_DRV_STATE);
7b749ff4 2711 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2712 QLC_SHARED_REG_WR32(adapter,
2713 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2714 }
2715
f73dfc50
AKS		 2716 qlcnic_api_unlock(adapter);
2717
287e38aa 2718 rtnl_lock();
7b749ff4
SV		 2719 if (adapter->ahw->fw_dump.enable &&
2720 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2721 QLCDB(adapter, DRV, "Take FW dump\n");
2722 qlcnic_dump_fw(adapter);
032a13c7 2723 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2724 }
287e38aa 2725 rtnl_unlock();
7b749ff4
SV		 2726
2727 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2728 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2729 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2730 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2731 return;
2732 }
af19b491
AKS		 2733 goto err_ret;
2734 }
2735
f73dfc50 2736 qlcnic_api_unlock(adapter);
aa5e18c0 2737
9f26f547 2738wait_npar:
a15ebd37 2739 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2740 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2741
af19b491 2742 switch (dev_state) {
3c4b23b1 2743 case QLCNIC_DEV_READY:
7e2cf4fe 2744 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2745 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2746 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2747 return;
2748 }
3c4b23b1
AKS		 2749 case QLCNIC_DEV_FAILED:
2750 break;
2751 default:
2752 qlcnic_schedule_work(adapter,
2753 qlcnic_fwinit_work, FW_POLL_DELAY);
2754 return;
af19b491
AKS		 2755 }
2756
2757err_ret:
f73dfc50
AKS		 2758 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2759 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2760 netif_device_attach(adapter->netdev);
21854f02 2761 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2762}
2763
2764static void
2765qlcnic_detach_work(struct work_struct *work)
2766{
2767 struct qlcnic_adapter *adapter = container_of(work,
2768 struct qlcnic_adapter, fw_work.work);
2769 struct net_device *netdev = adapter->netdev;
2770 u32 status;
2771
2772 netif_device_detach(netdev);
2773
b8c17620
AKS		 2774 /* Dont grab rtnl lock during Quiscent mode */
2775 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2776 if (netif_running(netdev))
2777 __qlcnic_down(adapter, netdev);
2778 } else
2779 qlcnic_down(adapter, netdev);
af19b491 2780
a15ebd37 2781 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2782
44f65b29
SC		 2783 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2784 dev_err(&adapter->pdev->dev,
2785 "Detaching the device: peg halt status1=0x%x\n",
2786 status);
2787
2788 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2789 dev_err(&adapter->pdev->dev,
2790 "On board active cooling fan failed. "
2791 "Device has been halted.\n");
2792 dev_err(&adapter->pdev->dev,
2793 "Replace the adapter.\n");
2794 }
2795
af19b491 2796 goto err_ret;
44f65b29 2797 }
af19b491 2798
79788450 2799 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2800 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2801 adapter->ahw->temp);
af19b491 2802 goto err_ret;
44f65b29
SC		 2803 }
2804
602ca6f0
SV		 2805 /* Dont ack if this instance is the reset owner */
2806 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2807 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2808 dev_err(&adapter->pdev->dev,
2809 "Failed to set driver state,"
2810 "detaching the device.\n");
602ca6f0 2811 goto err_ret;
44f65b29 2812 }
602ca6f0 2813 }
af19b491
AKS		 2814
2815 adapter->fw_wait_cnt = 0;
2816
2817 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2818
2819 return;
2820
2821err_ret:
34ce3626 2822 netif_device_attach(netdev);
21854f02 2823 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2824}
2825
3c4b23b1
AKS		 2826/*Transit NPAR state to NON Operational */
2827static void
2828qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2829{
2830 u32 state;
2831
a15ebd37 2832 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2833 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2834 return;
2835
2836 if (qlcnic_api_lock(adapter))
2837 return;
a15ebd37
HM		 2838 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2839 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2840 qlcnic_api_unlock(adapter);
2841}
2842
7e2cf4fe 2843void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2844{
646779f1
SV		 2845 u32 state, xg_val = 0, gb_val = 0;
2846
2847 qlcnic_xg_set_xg0_mask(xg_val);
2848 qlcnic_xg_set_xg1_mask(xg_val);
2849 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2850 qlcnic_gb_set_gb0_mask(gb_val);
2851 qlcnic_gb_set_gb1_mask(gb_val);
2852 qlcnic_gb_set_gb2_mask(gb_val);
2853 qlcnic_gb_set_gb3_mask(gb_val);
2854 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2855 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2856 " on all ports\n");
cea8975e 2857 adapter->need_fw_reset = 1;
13159183 2858
af19b491
AKS		 2859 if (qlcnic_api_lock(adapter))
2860 return;
2861
13159183 2862 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2863
f73dfc50 2864 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2865 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2866 QLCNIC_DEV_NEED_RESET);
602ca6f0 2867 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2868 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2869 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2870 }
2871
13159183
SC		 2872 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2873 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2874 qlcnic_api_unlock(adapter);
2875}
2876
9f26f547
AC		 2877/* Transit to NPAR READY state from NPAR NOT READY state */
2878static void
2879qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2880{
9f26f547
AC		 2881 if (qlcnic_api_lock(adapter))
2882 return;
2883
a15ebd37
HM		 2884 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2885 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2886 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2887
2888 qlcnic_api_unlock(adapter);
2889}
2890
13159183
SC		 2891void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2892 work_func_t func, int delay)
af19b491 2893{
451724c8
SC		 2894 if (test_bit(__QLCNIC_AER, &adapter->state))
2895 return;
2896
af19b491 2897 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2898 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2899 round_jiffies_relative(delay));
af19b491
AKS		 2900}
2901
2902static void
2903qlcnic_attach_work(struct work_struct *work)
2904{
2905 struct qlcnic_adapter *adapter = container_of(work,
2906 struct qlcnic_adapter, fw_work.work);
2907 struct net_device *netdev = adapter->netdev;
b18971d1 2908 u32 npar_state;
af19b491 2909
79788450 2910 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2911 npar_state = QLC_SHARED_REG_RD32(adapter,
2912 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2913 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2914 qlcnic_clr_all_drv_state(adapter, 0);
2915 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2916 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2917 FW_POLL_DELAY);
2918 else
2919 goto attach;
2920 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2921 return;
2922 }
2923attach:
af19b491 2924 if (netif_running(netdev)) {
52486a3a 2925 if (qlcnic_up(adapter, netdev))
af19b491 2926 goto done;
af19b491 2927
aec1e845 2928 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2929 }
2930
af19b491 2931done:
34ce3626 2932 netif_device_attach(netdev);
af19b491 2933 adapter->fw_fail_cnt = 0;
032a13c7 2934 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2935 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2936
2937 if (!qlcnic_clr_drv_state(adapter))
2938 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2939 FW_POLL_DELAY);
af19b491
AKS		 2940}
2941
2942static int
2943qlcnic_check_health(struct qlcnic_adapter *adapter)
2944{
4e70812b 2945 u32 state = 0, heartbeat;
853d4bca 2946 u32 peg_status;
af19b491
AKS		 2947
2948 if (qlcnic_check_temp(adapter))
2949 goto detach;
2950
2372a5f1 2951 if (adapter->need_fw_reset)
7e2cf4fe 2952 qlcnic_dev_request_reset(adapter, 0);
af19b491 2953
a15ebd37 2954 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2955 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2956 qlcnic_set_npar_non_operational(adapter);
af19b491 2957 adapter->need_fw_reset = 1;
b8c17620
AKS		 2958 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2959 goto detach;
af19b491 2960
a15ebd37 2961 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2962 if (heartbeat != adapter->heartbeat) {
2963 adapter->heartbeat = heartbeat;
af19b491
AKS		 2964 adapter->fw_fail_cnt = 0;
2965 if (adapter->need_fw_reset)
2966 goto detach;
68bf1c68 2967
099f7aa7 2968 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2969 qlcnic_reset_hw_context(adapter);
2970 adapter->netdev->trans_start = jiffies;
2971 }
2972
af19b491
AKS		 2973 return 0;
2974 }
2975
2976 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2977 return 0;
2978
032a13c7
SV		 2979 adapter->flags |= QLCNIC_FW_HANG;
2980
7e2cf4fe 2981 qlcnic_dev_request_reset(adapter, 0);
af19b491 2982
099f7aa7 2983 if (qlcnic_auto_fw_reset)
0df170b6 2984 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2985
853d4bca 2986 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2987 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2988 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2989 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2990 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2991 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2992 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2993 peg_status,
2994 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2995 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2996 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2997 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2998 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2999 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 3000 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3001 dev_err(&adapter->pdev->dev,
3002 "Firmware aborted with error code 0x00006700. "
3003 "Device is being reset.\n");
af19b491
AKS		 3004detach:
3005 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3006 QLCNIC_DEV_NEED_RESET;
3007
099f7aa7
SC		 3008 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3009 &adapter->state)) {
65b5b420 3010
af19b491 3011 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3012 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3013 }
af19b491
AKS		 3014
3015 return 1;
3016}
3017
3018static void
3019qlcnic_fw_poll_work(struct work_struct *work)
3020{
3021 struct qlcnic_adapter *adapter = container_of(work,
3022 struct qlcnic_adapter, fw_work.work);
3023
3024 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3025 goto reschedule;
3026
3027
3028 if (qlcnic_check_health(adapter))
3029 return;
3030
b5e5492c
AKS		 3031 if (adapter->fhash.fnum)
3032 qlcnic_prune_lb_filters(adapter);
3033
af19b491
AKS		 3034reschedule:
3035 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3036}
3037
451724c8
SC		 3038static int qlcnic_is_first_func(struct pci_dev *pdev)
3039{
3040 struct pci_dev *oth_pdev;
3041 int val = pdev->devfn;
3042
3043 while (val-- > 0) {
3044 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3045 (pdev->bus), pdev->bus->number,
3046 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3047 if (!oth_pdev)
3048 continue;
451724c8 3049
bfc978fa
AKS		 3050 if (oth_pdev->current_state != PCI_D3cold) {
3051 pci_dev_put(oth_pdev);
451724c8 3052 return 0;
bfc978fa
AKS		 3053 }
3054 pci_dev_put(oth_pdev);
451724c8
SC		 3055 }
3056 return 1;
3057}
3058
3059static int qlcnic_attach_func(struct pci_dev *pdev)
3060{
3061 int err, first_func;
3062 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3063 struct net_device *netdev = adapter->netdev;
3064
3065 pdev->error_state = pci_channel_io_normal;
3066
3067 err = pci_enable_device(pdev);
3068 if (err)
3069 return err;
3070
3071 pci_set_power_state(pdev, PCI_D0);
3072 pci_set_master(pdev);
3073 pci_restore_state(pdev);
3074
3075 first_func = qlcnic_is_first_func(pdev);
3076
3077 if (qlcnic_api_lock(adapter))
3078 return -EINVAL;
3079
79788450 3080 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3081 adapter->need_fw_reset = 1;
3082 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3083 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3084 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3085 QLCDB(adapter, DRV, "Restarting fw\n");
3086 }
3087 qlcnic_api_unlock(adapter);
3088
13159183 3089 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3090 if (err)
3091 return err;
3092
3093 qlcnic_clr_drv_state(adapter);
13159183
SC		 3094 kfree(adapter->msix_entries);
3095 adapter->msix_entries = NULL;
3096 err = qlcnic_setup_intr(adapter, 0);
3097
9a97e705
M		 3098 if (err) {
3099 kfree(adapter->msix_entries);
3100 netdev_err(netdev, "failed to setup interrupt\n");
3101 return err;
3102 }
3103
13159183 3104 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3105 /* register for NIC IDC AEN Events */
3106 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3107 err = qlcnic_83xx_setup_mbx_intr(adapter);
3108 if (err) {
3109 dev_err(&adapter->pdev->dev,
3110 "failed to setup mbx interrupt\n");
3111 qlcnic_clr_all_drv_state(adapter, 1);
3112 clear_bit(__QLCNIC_AER, &adapter->state);
3113 goto done;
3114 }
3115 }
451724c8
SC		 3116
3117 if (netif_running(netdev)) {
3118 err = qlcnic_attach(adapter);
3119 if (err) {
21854f02 3120 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3121 clear_bit(__QLCNIC_AER, &adapter->state);
3122 netif_device_attach(netdev);
3123 return err;
3124 }
3125
3126 err = qlcnic_up(adapter, netdev);
3127 if (err)
3128 goto done;
3129
aec1e845 3130 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3131 }
3132 done:
3133 netif_device_attach(netdev);
3134 return err;
3135}
3136
3137static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3138 pci_channel_state_t state)
3139{
3140 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3141 struct net_device *netdev = adapter->netdev;
3142
3143 if (state == pci_channel_io_perm_failure)
3144 return PCI_ERS_RESULT_DISCONNECT;
3145
3146 if (state == pci_channel_io_normal)
3147 return PCI_ERS_RESULT_RECOVERED;
3148
3149 set_bit(__QLCNIC_AER, &adapter->state);
3150 netif_device_detach(netdev);
3151
3152 cancel_delayed_work_sync(&adapter->fw_work);
3153
3154 if (netif_running(netdev))
3155 qlcnic_down(adapter, netdev);
3156
13159183 3157 if (qlcnic_83xx_check(adapter)) {
13159183 3158 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3159 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3160 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3161 }
3162
451724c8
SC		 3163 qlcnic_detach(adapter);
3164 qlcnic_teardown_intr(adapter);
3165
3166 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3167
3168 pci_save_state(pdev);
3169 pci_disable_device(pdev);
3170
3171 return PCI_ERS_RESULT_NEED_RESET;
3172}
3173
3174static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3175{
3176 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3177 PCI_ERS_RESULT_RECOVERED;
3178}
3179
3180static void qlcnic_io_resume(struct pci_dev *pdev)
3181{
a15ebd37 3182 u32 state;
451724c8
SC		 3183 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3184
3185 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3186 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3187 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3188 &adapter->state))
451724c8
SC		 3189 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3190 FW_POLL_DELAY);
3191}
3192
87eb743b
AC		 3193static int
3194qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3195{
3196 int err;
3197
3198 err = qlcnic_can_start_firmware(adapter);
3199 if (err)
3200 return err;
3201
78f84e1a
AKS		 3202 err = qlcnic_check_npar_opertional(adapter);
3203 if (err)
3204 return err;
3c4b23b1 3205
174240a8
RB		 3206 err = qlcnic_initialize_nic(adapter);
3207 if (err)
3208 return err;
3209
87eb743b
AC		 3210 qlcnic_check_options(adapter);
3211
7373373d
RB		 3212 err = qlcnic_set_eswitch_port_config(adapter);
3213 if (err)
3214 return err;
3215
87eb743b
AC		 3216 adapter->need_fw_reset = 0;
3217
3218 return err;
3219}
3220
319ecf12 3221int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3222{
319ecf12
SC		 3223 u32 max_allowed;
3224
3225 if (max_hw > QLC_MAX_SDS_RINGS) {
3226 max_hw = QLC_MAX_SDS_RINGS;
3227 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3228 }
3229
319ecf12
SC		 3230 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3231 num_online_cpus()));
3232 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3233 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3234 max_allowed);
f94bc1e7
SC		 3235 return -EINVAL;
3236 }
3237 return 0;
f94bc1e7
SC		 3238}
3239
319ecf12 3240int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3241{
13159183 3242 int err;
f94bc1e7 3243 struct net_device *netdev = adapter->netdev;
f94bc1e7 3244
319ecf12
SC		 3245 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3246 return -EBUSY;
3247
f94bc1e7
SC		 3248 netif_device_detach(netdev);
3249 if (netif_running(netdev))
3250 __qlcnic_down(adapter, netdev);
13159183 3251
7dd90cf1
SC		 3252 qlcnic_detach(adapter);
3253
3254 if (qlcnic_83xx_check(adapter))
13159183 3255 qlcnic_83xx_free_mbx_intr(adapter);
13159183 3256
f94bc1e7 3257 qlcnic_teardown_intr(adapter);
319ecf12 3258 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3259 if (err) {
3260 kfree(adapter->msix_entries);
3261 netdev_err(netdev, "failed to setup interrupt\n");
3262 return err;
3263 }
f94bc1e7 3264
13159183 3265 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3266 /* register for NIC IDC AEN Events */
3267 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3268 err = qlcnic_83xx_setup_mbx_intr(adapter);
3269 if (err) {
3270 dev_err(&adapter->pdev->dev,
3271 "failed to setup mbx interrupt\n");
3272 goto done;
3273 }
f94bc1e7
SC		 3274 }
3275
3276 if (netif_running(netdev)) {
3277 err = qlcnic_attach(adapter);
3278 if (err)
3279 goto done;
3280 err = __qlcnic_up(adapter, netdev);
3281 if (err)
3282 goto done;
3283 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3284 }
319ecf12 3285 err = len;
f94bc1e7
SC		 3286 done:
3287 netif_device_attach(netdev);
3288 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3289 return err;
3290}
3291
af19b491
AKS		 3292#ifdef CONFIG_INET
3293
3294#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3295
af19b491 3296static void
aec1e845
AKS		 3297qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3298 struct net_device *dev, unsigned long event)
af19b491
AKS		 3299{
3300 struct in_device *indev;
af19b491 3301
af19b491
AKS		 3302 indev = in_dev_get(dev);
3303 if (!indev)
3304 return;
3305
3306 for_ifa(indev) {
3307 switch (event) {
3308 case NETDEV_UP:
3309 qlcnic_config_ipaddr(adapter,
3310 ifa->ifa_address, QLCNIC_IP_UP);
3311 break;
3312 case NETDEV_DOWN:
3313 qlcnic_config_ipaddr(adapter,
3314 ifa->ifa_address, QLCNIC_IP_DOWN);
3315 break;
3316 default:
3317 break;
3318 }
3319 } endfor_ifa(indev);
3320
3321 in_dev_put(indev);
af19b491
AKS		 3322}
3323
319ecf12 3324void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3325{
3326 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3327 struct net_device *dev;
3328 u16 vid;
3329
3330 qlcnic_config_indev_addr(adapter, netdev, event);
3331
43c00a75 3332 rcu_read_lock();
b9796a14 3333 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3334 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3335 if (!dev)
3336 continue;
aec1e845
AKS		 3337 qlcnic_config_indev_addr(adapter, dev, event);
3338 }
43c00a75 3339 rcu_read_unlock();
aec1e845
AKS		 3340}
3341
af19b491
AKS		 3342static int qlcnic_netdev_event(struct notifier_block *this,
3343 unsigned long event, void *ptr)
3344{
3345 struct qlcnic_adapter *adapter;
3346 struct net_device *dev = (struct net_device *)ptr;
3347
3348recheck:
3349 if (dev == NULL)
3350 goto done;
3351
3352 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3353 dev = vlan_dev_real_dev(dev);
3354 goto recheck;
3355 }
3356
3357 if (!is_qlcnic_netdev(dev))
3358 goto done;
3359
3360 adapter = netdev_priv(dev);
3361
3362 if (!adapter)
3363 goto done;
3364
8a15ad1f 3365 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3366 goto done;
3367
aec1e845 3368 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3369done:
3370 return NOTIFY_DONE;
3371}
3372
3373static int
3374qlcnic_inetaddr_event(struct notifier_block *this,
3375 unsigned long event, void *ptr)
3376{
3377 struct qlcnic_adapter *adapter;
3378 struct net_device *dev;
3379
3380 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3381
3382 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3383
3384recheck:
aec1e845 3385 if (dev == NULL)
af19b491
AKS		 3386 goto done;
3387
3388 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3389 dev = vlan_dev_real_dev(dev);
3390 goto recheck;
3391 }
3392
3393 if (!is_qlcnic_netdev(dev))
3394 goto done;
3395
3396 adapter = netdev_priv(dev);
3397
251a84c9 3398 if (!adapter)
af19b491
AKS		 3399 goto done;
3400
8a15ad1f 3401 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3402 goto done;
3403
3404 switch (event) {
3405 case NETDEV_UP:
3406 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3407
af19b491
AKS		 3408 break;
3409 case NETDEV_DOWN:
3410 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3411
af19b491
AKS		 3412 break;
3413 default:
3414 break;
3415 }
3416
3417done:
3418 return NOTIFY_DONE;
3419}
3420
3421static struct notifier_block qlcnic_netdev_cb = {
3422 .notifier_call = qlcnic_netdev_event,
3423};
3424
3425static struct notifier_block qlcnic_inetaddr_cb = {
3426 .notifier_call = qlcnic_inetaddr_event,
3427};
3428#else
f8ca2b6f 3429void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3430{ }
3431#endif
fec9dd15 3432static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3433 .error_detected = qlcnic_io_error_detected,
3434 .slot_reset = qlcnic_io_slot_reset,
3435 .resume = qlcnic_io_resume,
3436};
af19b491
AKS		 3437
3438static struct pci_driver qlcnic_driver = {
3439 .name = qlcnic_driver_name,
3440 .id_table = qlcnic_pci_tbl,
3441 .probe = qlcnic_probe,
6bb58bb0 3442 .remove = qlcnic_remove,
af19b491
AKS		 3443#ifdef CONFIG_PM
3444 .suspend = qlcnic_suspend,
3445 .resume = qlcnic_resume,
3446#endif
451724c8 3447 .shutdown = qlcnic_shutdown,
02feda17
RB		 3448 .err_handler = &qlcnic_err_handler,
3449#ifdef CONFIG_QLCNIC_SRIOV
3450 .sriov_configure = qlcnic_pci_sriov_configure,
3451#endif
451724c8 3452
af19b491
AKS		 3453};
3454
3455static int __init qlcnic_init_module(void)
3456{
0cf3a14c 3457 int ret;
af19b491
AKS		 3458
3459 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3460
3461#ifdef CONFIG_INET
3462 register_netdevice_notifier(&qlcnic_netdev_cb);
3463 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3464#endif
3465
0cf3a14c
AKS		 3466 ret = pci_register_driver(&qlcnic_driver);
3467 if (ret) {
3468#ifdef CONFIG_INET
3469 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3470 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3471#endif
3472 }
af19b491 3473
0cf3a14c 3474 return ret;
af19b491
AKS		 3475}
3476
3477module_init(qlcnic_init_module);
3478
3479static void __exit qlcnic_exit_module(void)
3480{
af19b491
AKS		 3481 pci_unregister_driver(&qlcnic_driver);
3482
3483#ifdef CONFIG_INET
3484 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3485 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3486#endif
3487}
3488
3489module_exit(qlcnic_exit_module);
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