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qlcnic: Rename the IRQ description.
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
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 *);
80d5c368
PM		 89static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
90static int qlcnic_vlan_rx_del(struct net_device *, __be16, 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
7cb03b23
RB		 229 if (qlcnic_sriov_vf_check(adapter))
230 return -EINVAL;
231
7373373d
RB		 232 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
233 return -EOPNOTSUPP;
234
af19b491 235 if (!is_valid_ether_addr(addr->sa_data))
13159183 236 return -EINVAL;
af19b491 237
8a15ad1f 238 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 239 netif_device_detach(netdev);
240 qlcnic_napi_disable(adapter);
241 }
242
243 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
244 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
245 qlcnic_set_multi(adapter->netdev);
246
8a15ad1f 247 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 248 netif_device_attach(netdev);
249 qlcnic_napi_enable(adapter);
250 }
251 return 0;
252}
253
1690be63
VY		 254static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
255 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 256{
257 struct qlcnic_adapter *adapter = netdev_priv(netdev);
258 int err = -EOPNOTSUPP;
259
3e5c112f
VY		 260 if (!adapter->fdb_mac_learn)
261 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 262
263 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
264 if (is_unicast_ether_addr(addr))
265 err = qlcnic_nic_del_mac(adapter, addr);
266 else if (is_multicast_ether_addr(addr))
267 err = dev_mc_del(netdev, addr);
268 else
269 err = -EINVAL;
270 }
271 return err;
272}
273
274static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
275 struct net_device *netdev,
276 const unsigned char *addr, u16 flags)
277{
278 struct qlcnic_adapter *adapter = netdev_priv(netdev);
279 int err = 0;
280
3e5c112f
VY		 281 if (!adapter->fdb_mac_learn)
282 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 283
284 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
285 pr_info("%s: FDB e-switch is not enabled\n", __func__);
286 return -EOPNOTSUPP;
287 }
288
289 if (ether_addr_equal(addr, adapter->mac_addr))
290 return err;
291
292 if (is_unicast_ether_addr(addr))
91b7282b 293 err = qlcnic_nic_add_mac(adapter, addr, 0);
fe1adc6b
JK		 294 else if (is_multicast_ether_addr(addr))
295 err = dev_mc_add_excl(netdev, addr);
296 else
297 err = -EINVAL;
298
299 return err;
300}
301
302static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
303 struct net_device *netdev, int idx)
304{
305 struct qlcnic_adapter *adapter = netdev_priv(netdev);
306
3e5c112f
VY		 307 if (!adapter->fdb_mac_learn)
308 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 309
310 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
311 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
312
313 return idx;
314}
315
7e2cf4fe
SC		 316static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
317{
318 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
319 usleep_range(10000, 11000);
320
321 cancel_delayed_work_sync(&adapter->fw_work);
322}
323
af19b491
AKS		 324static const struct net_device_ops qlcnic_netdev_ops = {
325 .ndo_open = qlcnic_open,
326 .ndo_stop = qlcnic_close,
327 .ndo_start_xmit = qlcnic_xmit_frame,
328 .ndo_get_stats = qlcnic_get_stats,
329 .ndo_validate_addr = eth_validate_addr,
afc4b13d 330 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 331 .ndo_set_mac_address = qlcnic_set_mac,
332 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 333 .ndo_fix_features = qlcnic_fix_features,
334 .ndo_set_features = qlcnic_set_features,
af19b491 335 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 336 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
337 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 338 .ndo_fdb_add = qlcnic_fdb_add,
339 .ndo_fdb_del = qlcnic_fdb_del,
340 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 341#ifdef CONFIG_NET_POLL_CONTROLLER
342 .ndo_poll_controller = qlcnic_poll_controller,
343#endif
4000e7a7
RB		 344#ifdef CONFIG_QLCNIC_SRIOV
345 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
346 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
347 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 348 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
4000e7a7 349#endif
af19b491
AKS		 350};
351
b43e5ee7
SC		 352static const struct net_device_ops qlcnic_netdev_failed_ops = {
353 .ndo_open = qlcnic_open,
354};
355
2e9d722d 356static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 357 .config_bridged_mode = qlcnic_config_bridged_mode,
358 .config_led = qlcnic_82xx_config_led,
359 .start_firmware = qlcnic_82xx_start_firmware,
360 .request_reset = qlcnic_82xx_dev_request_reset,
361 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
362 .napi_add = qlcnic_82xx_napi_add,
4be41e92 363 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 364 .config_ipaddr = qlcnic_82xx_config_ipaddr,
365 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
366};
367
368struct qlcnic_nic_template qlcnic_vf_ops = {
369 .config_bridged_mode = qlcnicvf_config_bridged_mode,
370 .config_led = qlcnicvf_config_led,
371 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 372};
373
7e2cf4fe
SC		 374static struct qlcnic_hardware_ops qlcnic_hw_ops = {
375 .read_crb = qlcnic_82xx_read_crb,
376 .write_crb = qlcnic_82xx_write_crb,
377 .read_reg = qlcnic_82xx_hw_read_wx_2M,
378 .write_reg = qlcnic_82xx_hw_write_wx_2M,
379 .get_mac_address = qlcnic_82xx_get_mac_address,
380 .setup_intr = qlcnic_82xx_setup_intr,
381 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
382 .mbx_cmd = qlcnic_82xx_issue_cmd,
383 .get_func_no = qlcnic_82xx_get_func_no,
384 .api_lock = qlcnic_82xx_api_lock,
385 .api_unlock = qlcnic_82xx_api_unlock,
386 .add_sysfs = qlcnic_82xx_add_sysfs,
387 .remove_sysfs = qlcnic_82xx_remove_sysfs,
388 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
389 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
390 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 391 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
392 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 393 .setup_link_event = qlcnic_82xx_linkevent_request,
394 .get_nic_info = qlcnic_82xx_get_nic_info,
395 .get_pci_info = qlcnic_82xx_get_pci_info,
396 .set_nic_info = qlcnic_82xx_set_nic_info,
397 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
398 .napi_enable = qlcnic_82xx_napi_enable,
399 .napi_disable = qlcnic_82xx_napi_disable,
400 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
401 .config_rss = qlcnic_82xx_config_rss,
402 .config_hw_lro = qlcnic_82xx_config_hw_lro,
403 .config_loopback = qlcnic_82xx_set_lb_mode,
404 .clear_loopback = qlcnic_82xx_clear_lb_mode,
405 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
406 .change_l2_filter = qlcnic_82xx_change_filter,
407 .get_board_info = qlcnic_82xx_get_board_info,
91b7282b 408 .free_mac_list = qlcnic_82xx_free_mac_list,
2e9d722d
AC		 409};
410
7f966452 411int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 412{
af19b491 413 struct pci_dev *pdev = adapter->pdev;
13159183 414 int err = -1, i;
da6c8063
RB		 415 int max_tx_rings, tx_vector;
416
417 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
418 max_tx_rings = 0;
419 tx_vector = 0;
420 } else {
421 max_tx_rings = adapter->max_drv_tx_rings;
422 tx_vector = 1;
423 }
13159183
SC		 424
425 if (!adapter->msix_entries) {
426 adapter->msix_entries = kcalloc(num_msix,
427 sizeof(struct msix_entry),
428 GFP_KERNEL);
b2adaca9 429 if (!adapter->msix_entries)
13159183 430 return -ENOMEM;
13159183 431 }
af19b491
AKS		 432
433 adapter->max_sds_rings = 1;
af19b491 434 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 435
79788450 436 if (adapter->ahw->msix_supported) {
f94bc1e7 437 enable_msix:
13159183
SC		 438 for (i = 0; i < num_msix; i++)
439 adapter->msix_entries[i].entry = i;
af19b491
AKS		 440 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
441 if (err == 0) {
442 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 443 if (qlcnic_83xx_check(adapter)) {
444 adapter->ahw->num_msix = num_msix;
445 /* subtract mail box and tx ring vectors */
13159183
SC		 446 adapter->max_sds_rings = num_msix -
447 max_tx_rings - 1;
448 } else {
449 adapter->max_sds_rings = num_msix;
450 }
af19b491 451 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 452 return err;
13159183
SC		 453 } else if (err > 0) {
454 dev_info(&pdev->dev,
455 "Unable to allocate %d MSI-X interrupt vectors\n",
456 num_msix);
457 if (qlcnic_83xx_check(adapter)) {
da6c8063 458 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 459 return err;
da6c8063 460 err -= (max_tx_rings + 1);
13159183 461 num_msix = rounddown_pow_of_two(err);
da6c8063 462 num_msix += (max_tx_rings + 1);
13159183
SC		 463 } else {
464 num_msix = rounddown_pow_of_two(err);
465 }
466
467 if (num_msix) {
468 dev_info(&pdev->dev,
dce056cb 469 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 470 num_msix);
f94bc1e7 471 goto enable_msix;
13159183
SC		 472 }
473 } else {
dce056cb
MC		 474 dev_info(&pdev->dev,
475 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 476 num_msix);
f94bc1e7
SC		 477 }
478 }
13159183 479
f94bc1e7
SC		 480 return err;
481}
af19b491 482
9a97e705 483static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 484{
9a97e705 485 int err = 0;
15087c2b 486 u32 offset, mask_reg;
f94bc1e7 487 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 488 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 489 struct pci_dev *pdev = adapter->pdev;
af19b491 490
099f7aa7 491 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 492 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 493 offset = msi_tgt_status[adapter->ahw->pci_func];
494 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
495 offset);
af19b491
AKS		 496 dev_info(&pdev->dev, "using msi interrupts\n");
497 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 498 return err;
af19b491 499 }
9a97e705
M		 500 if (qlcnic_use_msi || qlcnic_use_msi_x)
501 return -EOPNOTSUPP;
af19b491 502
f94bc1e7 503 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 504 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 505 offset = legacy_intrp->tgt_status_reg;
506 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
507 mask_reg = legacy_intrp->tgt_mask_reg;
508 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
509 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
510 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 511 dev_info(&pdev->dev, "using legacy interrupts\n");
512 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 513 return err;
af19b491
AKS		 514}
515
7e2cf4fe 516int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 517{
9a97e705 518 int num_msix, err = 0;
f94bc1e7 519
7e2cf4fe
SC		 520 if (!num_intr)
521 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
522
523 if (adapter->ahw->msix_supported)
5f6ec29a 524 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 525 num_intr));
526 else
f94bc1e7
SC		 527 num_msix = 1;
528
7e2cf4fe
SC		 529 err = qlcnic_enable_msix(adapter, num_msix);
530 if (err == -ENOMEM || !err)
531 return err;
f94bc1e7 532
9a97e705
M		 533 err = qlcnic_enable_msi_legacy(adapter);
534 if (!err)
535 return err;
536
537 return -EIO;
f94bc1e7 538}
13159183 539
319ecf12 540void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 541{
542 if (adapter->flags & QLCNIC_MSIX_ENABLED)
543 pci_disable_msix(adapter->pdev);
544 if (adapter->flags & QLCNIC_MSI_ENABLED)
545 pci_disable_msi(adapter->pdev);
13159183
SC		 546
547 kfree(adapter->msix_entries);
548 adapter->msix_entries = NULL;
549
550 if (adapter->ahw->intr_tbl) {
551 vfree(adapter->ahw->intr_tbl);
552 adapter->ahw->intr_tbl = NULL;
553 }
af19b491
AKS		 554}
555
f1a094a8 556static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 557{
f1a094a8
RB		 558 if (ahw->pci_base0 != NULL)
559 iounmap(ahw->pci_base0);
af19b491
AKS		 560}
561
7e2cf4fe
SC		 562static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
563{
564 struct qlcnic_pci_info *pci_info;
565 int ret;
566
567 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
568 switch (adapter->ahw->port_type) {
569 case QLCNIC_GBE:
570 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
571 break;
572 case QLCNIC_XGBE:
573 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
574 break;
575 }
576 return 0;
577 }
578
579 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
580 return 0;
581
582 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
583 if (!pci_info)
584 return -ENOMEM;
585
586 ret = qlcnic_get_pci_info(adapter, pci_info);
587 kfree(pci_info);
588 return ret;
589}
d71170fb
SC		 590
591int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 592{
e88db3bd 593 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 594 int i, ret = 0, j = 0;
595 u16 act_pci_func;
346fe763
RB		 596 u8 pfn;
597
e88db3bd
DC		 598 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
599 if (!pci_info)
600 return -ENOMEM;
601
bff57d8e
SC		 602 ret = qlcnic_get_pci_info(adapter, pci_info);
603 if (ret)
604 goto err_pci_info;
605
606 act_pci_func = adapter->ahw->act_pci_func;
607
ca315ac2 608 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 609 act_pci_func, GFP_KERNEL);
e88db3bd 610 if (!adapter->npars) {
900853a4 611 ret = -ENOMEM;
e88db3bd
DC		 612 goto err_pci_info;
613 }
346fe763 614
ca315ac2 615 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 616 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
617 if (!adapter->eswitch) {
900853a4 618 ret = -ENOMEM;
ca315ac2 619 goto err_npars;
346fe763
RB		 620 }
621
ca315ac2
DC		 622 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
623 pfn = pci_info[i].id;
bff57d8e 624
0f6efff9 625 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 626 ret = QL_STATUS_INVALID_PARAM;
627 goto err_eswitch;
628 }
bff57d8e
SC		 629
630 if (!pci_info[i].active ||
631 (pci_info[i].type != QLCNIC_TYPE_NIC))
632 continue;
633
634 adapter->npars[j].pci_func = pfn;
635 adapter->npars[j].active = (u8)pci_info[i].active;
636 adapter->npars[j].type = (u8)pci_info[i].type;
637 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
638 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
639 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
640 j++;
346fe763
RB		 641 }
642
13159183 643 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 644 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 645 if (qlcnic_83xx_check(adapter))
646 qlcnic_enable_eswitch(adapter, i, 1);
647 }
ca315ac2 648
e88db3bd 649 kfree(pci_info);
ca315ac2
DC		 650 return 0;
651
652err_eswitch:
346fe763
RB		 653 kfree(adapter->eswitch);
654 adapter->eswitch = NULL;
ca315ac2 655err_npars:
346fe763 656 kfree(adapter->npars);
ca315ac2 657 adapter->npars = NULL;
e88db3bd
DC		 658err_pci_info:
659 kfree(pci_info);
346fe763
RB		 660
661 return ret;
662}
663
2e9d722d
AC		 664static int
665qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
666{
667 u8 id;
2e9d722d
AC		 668 int i, ret = 1;
669 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 670 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 671
2e9d722d
AC		 672 ret = qlcnic_api_lock(adapter);
673 if (ret)
674 goto err_lock;
2e9d722d 675
0e33c664 676 if (qlcnic_config_npars) {
bff57d8e
SC		 677 for (i = 0; i < ahw->act_pci_func; i++) {
678 id = adapter->npars[i].pci_func;
679 if (id == ahw->pci_func)
0e33c664
AC		 680 continue;
681 data |= (qlcnic_config_npars &
682 QLC_DEV_SET_DRV(0xf, id));
683 }
684 } else {
a15ebd37 685 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 686 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 687 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 688 ahw->pci_func));
2e9d722d 689 }
a15ebd37 690 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 691 qlcnic_api_unlock(adapter);
692err_lock:
693 return ret;
694}
695
13159183
SC		 696static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
697 const struct pci_device_id *ent)
2e9d722d 698{
2e9d722d
AC		 699 u32 op_mode, priv_level;
700
701 /* Determine FW API version */
13159183
SC		 702 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
703 QLCNIC_FW_API);
2e9d722d
AC		 704
705 /* Find PCI function number */
13159183 706 qlcnic_get_func_no(adapter);
2e9d722d
AC		 707
708 /* Determine function privilege level */
13159183 709 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 710 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 711 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 712 else
b1fc6d3c 713 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 714
0866d96d 715 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 716 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 717 dev_info(&adapter->pdev->dev,
718 "HAL Version: %d Non Privileged function\n",
79788450 719 adapter->ahw->fw_hal_version);
9f26f547 720 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 721 } else
722 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 723}
724
15087c2b 725#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 726#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 727static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
728{
729 switch (dev_id) {
730 case PCI_DEVICE_ID_QLOGIC_QLE824X:
731 *bar = QLCNIC_82XX_BAR0_LENGTH;
732 break;
13159183 733 case PCI_DEVICE_ID_QLOGIC_QLE834X:
f8468331 734 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
13159183
SC		 735 *bar = QLCNIC_83XX_BAR0_LENGTH;
736 break;
15087c2b
SC		 737 default:
738 *bar = 0;
739 }
740}
741
742static int qlcnic_setup_pci_map(struct pci_dev *pdev,
743 struct qlcnic_hardware_context *ahw)
af19b491 744{
15087c2b 745 u32 offset;
af19b491 746 void __iomem *mem_ptr0 = NULL;
15087c2b 747 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 748
af19b491 749 /* remap phys address */
af19b491
AKS		 750 mem_len = pci_resource_len(pdev, 0);
751
15087c2b
SC		 752 qlcnic_get_bar_length(pdev->device, &bar0_len);
753 if (mem_len >= bar0_len) {
af19b491
AKS		 754
755 mem_ptr0 = pci_ioremap_bar(pdev, 0);
756 if (mem_ptr0 == NULL) {
757 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
758 return -EIO;
759 }
760 pci_len0 = mem_len;
761 } else {
762 return -EIO;
763 }
764
f8468331 765 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 766
15087c2b
SC		 767 ahw->pci_base0 = mem_ptr0;
768 ahw->pci_len0 = pci_len0;
769 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
770 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 771
772 return 0;
773}
774
22999798 775static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 776{
777 struct pci_dev *pdev = adapter->pdev;
778 int i, found = 0;
779
780 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
781 if (qlcnic_boards[i].vendor == pdev->vendor &&
782 qlcnic_boards[i].device == pdev->device &&
783 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
784 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 785 sprintf(name, "%pM: %s" ,
786 adapter->mac_addr,
787 qlcnic_boards[i].short_name);
af19b491
AKS		 788 found = 1;
789 break;
790 }
791
792 }
793
794 if (!found)
7f9a0c34 795 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 796}
797
798static void
799qlcnic_check_options(struct qlcnic_adapter *adapter)
800{
a15ebd37 801 int err;
031a4a26 802 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 803 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 804 struct qlcnic_hardware_context *ahw = adapter->ahw;
805 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 806
807 prev_fw_version = adapter->fw_version;
af19b491 808
a15ebd37
HM		 809 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
810 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
811 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 812
813 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
814
a15ebd37
HM		 815 err = qlcnic_get_board_info(adapter);
816 if (err) {
817 dev_err(&pdev->dev, "Error getting board config info.\n");
818 return;
819 }
820 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 821 if (fw_dump->tmpl_hdr == NULL ||
822 adapter->fw_version > prev_fw_version) {
823 if (fw_dump->tmpl_hdr)
824 vfree(fw_dump->tmpl_hdr);
825 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
826 dev_info(&pdev->dev,
827 "Supports FW dump capability\n");
828 }
829 }
830
13159183
SC		 831 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
832 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
833
b1fc6d3c 834 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 835 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
836 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
837 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
838 } else {
839 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
840 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
841 }
842
af19b491 843 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 844 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
845
b1fc6d3c 846 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 847 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
848 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 849 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
850 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 851 }
852
099f7aa7 853 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 854
855 adapter->num_txd = MAX_CMD_DESCRIPTORS;
856
251b036a 857 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 858}
859
174240a8
RB		 860static int
861qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
862{
863 int err;
864 struct qlcnic_info nic_info;
865
bff57d8e 866 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 867 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 868 if (err)
869 return err;
870
79788450
SC		 871 adapter->ahw->physical_port = (u8)nic_info.phys_port;
872 adapter->ahw->switch_mode = nic_info.switch_mode;
873 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
874 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
875 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 876
877 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
878 u32 temp;
879 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
880 adapter->ahw->capabilities2 = temp;
881 }
79788450
SC		 882 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
883 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 884
13159183
SC		 885 /* Disable NPAR for 83XX */
886 if (qlcnic_83xx_check(adapter))
887 return err;
888
79788450 889 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 890 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
891 else
892 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
893
894 return err;
895}
896
ec079a07
SC		 897void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
898 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 899{
900 if (esw_cfg->discard_tagged)
901 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
902 else
903 adapter->flags |= QLCNIC_TAGGING_ENABLED;
904
91b7282b
RB		 905 if (esw_cfg->vlan_id) {
906 adapter->rx_pvid = esw_cfg->vlan_id;
907 adapter->tx_pvid = esw_cfg->vlan_id;
908 } else {
909 adapter->rx_pvid = 0;
910 adapter->tx_pvid = 0;
911 }
8cf61f89
AKS		 912}
913
8e586137 914static int
80d5c368 915qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 916{
917 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 918 int err;
919
920 if (qlcnic_sriov_vf_check(adapter)) {
921 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
922 if (err) {
923 netdev_err(netdev,
924 "Cannot add VLAN filter for VLAN id %d, err=%d",
925 vid, err);
926 return err;
927 }
928 }
929
b9796a14 930 set_bit(vid, adapter->vlans);
8e586137 931 return 0;
b9796a14
AC		 932}
933
8e586137 934static int
80d5c368 935qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 936{
937 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 938 int err;
939
940 if (qlcnic_sriov_vf_check(adapter)) {
941 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
942 if (err) {
943 netdev_err(netdev,
944 "Cannot delete VLAN filter for VLAN id %d, err=%d",
945 vid, err);
946 return err;
947 }
948 }
b9796a14
AC		 949
950 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
951 clear_bit(vid, adapter->vlans);
8e586137 952 return 0;
b9796a14
AC		 953}
954
ec079a07
SC		 955void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
956 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 957{
ee07c1a7
RB		 958 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
959 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 960
961 if (esw_cfg->mac_anti_spoof)
962 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 963
7373373d
RB		 964 if (!esw_cfg->mac_override)
965 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
966
ee07c1a7
RB		 967 if (!esw_cfg->promisc_mode)
968 adapter->flags |= QLCNIC_PROMISC_DISABLED;
969
0325d69b
RB		 970 qlcnic_set_netdev_features(adapter, esw_cfg);
971}
972
d71170fb 973int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 974{
975 struct qlcnic_esw_func_cfg esw_cfg;
976
977 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
978 return 0;
979
b1fc6d3c 980 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 981 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
982 return -EIO;
8cf61f89 983 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 984 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
985
986 return 0;
987}
988
989static void
990qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
991 struct qlcnic_esw_func_cfg *esw_cfg)
992{
993 struct net_device *netdev = adapter->netdev;
13159183
SC		 994 unsigned long features, vlan_features;
995
996 if (qlcnic_83xx_check(adapter))
997 return;
0325d69b 998
7e38d04b
SC		 999 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1000 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 1001 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 1002 NETIF_F_IPV6_CSUM);
0325d69b 1003
13159183 1004 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 1005 features |= (NETIF_F_TSO | NETIF_F_TSO6);
1006 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1007 }
b56421d0
RB		 1008
1009 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 1010 features |= NETIF_F_LRO;
1011
1012 if (esw_cfg->offload_flags & BIT_0) {
1013 netdev->features |= features;
13159183 1014 adapter->rx_csum = 1;
7e38d04b 1015 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 1016 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 1017 features &= ~NETIF_F_TSO;
1018 }
1019 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 1020 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 1021 features &= ~NETIF_F_TSO6;
1022 }
0325d69b
RB		 1023 } else {
1024 netdev->features &= ~features;
7e38d04b 1025 features &= ~features;
13159183 1026 adapter->rx_csum = 0;
0325d69b
RB		 1027 }
1028
1029 netdev->vlan_features = (features & vlan_features);
1030}
1031
0866d96d
AC		 1032static int
1033qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1034{
0866d96d
AC		 1035 u32 op_mode, priv_level;
1036 int err = 0;
1037
174240a8
RB		 1038 err = qlcnic_initialize_nic(adapter);
1039 if (err)
1040 return err;
1041
0866d96d
AC		 1042 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1043 return 0;
1044
13159183 1045 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1046 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1047
1048 if (op_mode == QLC_DEV_DRV_DEFAULT)
1049 priv_level = QLCNIC_MGMT_FUNC;
1050 else
b1fc6d3c 1051 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1052
174240a8 1053 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1054 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1055 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1056 err = qlcnic_init_pci_info(adapter);
1057 if (err)
1058 return err;
1059 /* Set privilege level for other functions */
1060 qlcnic_set_function_modes(adapter);
1061 dev_info(&adapter->pdev->dev,
1062 "HAL Version: %d, Management function\n",
79788450 1063 adapter->ahw->fw_hal_version);
0866d96d 1064 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1065 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1066 dev_info(&adapter->pdev->dev,
1067 "HAL Version: %d, Privileged function\n",
79788450 1068 adapter->ahw->fw_hal_version);
0866d96d 1069 }
174240a8 1070 }
0866d96d
AC		 1071
1072 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1073
1074 return err;
1075}
1076
d71170fb 1077int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1078{
1079 struct qlcnic_esw_func_cfg esw_cfg;
1080 struct qlcnic_npar_info *npar;
1081 u8 i;
1082
174240a8 1083 if (adapter->need_fw_reset)
0325d69b
RB		 1084 return 0;
1085
bff57d8e 1086 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1087 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1088 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1089 esw_cfg.mac_override = BIT_0;
ee07c1a7 1090 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1091 if (qlcnic_82xx_check(adapter)) {
1092 esw_cfg.offload_flags = BIT_0;
1093 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1094 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1095 }
0325d69b
RB		 1096 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1097 return -EIO;
1098 npar = &adapter->npars[i];
1099 npar->pvid = esw_cfg.vlan_id;
7373373d 1100 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1101 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1102 npar->discard_tagged = esw_cfg.discard_tagged;
1103 npar->promisc_mode = esw_cfg.promisc_mode;
1104 npar->offload_flags = esw_cfg.offload_flags;
1105 }
1106
1107 return 0;
1108}
1109
13159183 1110
4e8acb01
RB		 1111static int
1112qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1113 struct qlcnic_npar_info *npar, int pci_func)
1114{
1115 struct qlcnic_esw_func_cfg esw_cfg;
1116 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1117 esw_cfg.pci_func = pci_func;
1118 esw_cfg.vlan_id = npar->pvid;
7373373d 1119 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1120 esw_cfg.discard_tagged = npar->discard_tagged;
1121 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1122 esw_cfg.offload_flags = npar->offload_flags;
1123 esw_cfg.promisc_mode = npar->promisc_mode;
1124 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1125 return -EIO;
1126
1127 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1128 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1129 return -EIO;
1130
1131 return 0;
1132}
1133
d71170fb 1134int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1135{
4e8acb01 1136 int i, err;
cea8975e
AC		 1137 struct qlcnic_npar_info *npar;
1138 struct qlcnic_info nic_info;
bff57d8e 1139 u8 pci_func;
cea8975e 1140
bff57d8e
SC		 1141 if (qlcnic_82xx_check(adapter))
1142 if (!adapter->need_fw_reset)
1143 return 0;
cea8975e 1144
4e8acb01 1145 /* Set the NPAR config data after FW reset */
bff57d8e 1146 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1147 npar = &adapter->npars[i];
bff57d8e
SC		 1148 pci_func = npar->pci_func;
1149 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1150 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1151 if (err)
1152 return err;
1153 nic_info.min_tx_bw = npar->min_bw;
1154 nic_info.max_tx_bw = npar->max_bw;
1155 err = qlcnic_set_nic_info(adapter, &nic_info);
1156 if (err)
1157 return err;
cea8975e 1158
4e8acb01
RB		 1159 if (npar->enable_pm) {
1160 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1161 npar->dest_npar, 1,
1162 pci_func);
4e8acb01
RB		 1163 if (err)
1164 return err;
cea8975e 1165 }
bff57d8e 1166 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1167 if (err)
1168 return err;
cea8975e 1169 }
4e8acb01 1170 return 0;
cea8975e
AC		 1171}
1172
78f84e1a
AKS		 1173static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1174{
1175 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1176 u32 npar_state;
1177
79788450 1178 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1179 return 0;
1180
a15ebd37
HM		 1181 npar_state = QLC_SHARED_REG_RD32(adapter,
1182 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1183 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1184 msleep(1000);
a15ebd37
HM		 1185 npar_state = QLC_SHARED_REG_RD32(adapter,
1186 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1187 }
1188 if (!npar_opt_timeo) {
1189 dev_err(&adapter->pdev->dev,
8a168ca7 1190 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1191 return -EIO;
1192 }
1193 return 0;
1194}
1195
174240a8
RB		 1196static int
1197qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1198{
1199 int err;
1200
1201 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1202 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1203 return 0;
1204
1205 err = qlcnic_set_default_offload_settings(adapter);
1206 if (err)
1207 return err;
1208
1209 err = qlcnic_reset_npar_config(adapter);
1210 if (err)
1211 return err;
1212
1213 qlcnic_dev_set_npar_ready(adapter);
1214
1215 return err;
1216}
1217
7e2cf4fe 1218int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1219{
d4066833 1220 int err;
af19b491 1221
aa5e18c0
SC		 1222 err = qlcnic_can_start_firmware(adapter);
1223 if (err < 0)
1224 return err;
1225 else if (!err)
d4066833 1226 goto check_fw_status;
af19b491 1227
099f7aa7 1228 if (qlcnic_load_fw_file)
4d5bdb38 1229 qlcnic_request_firmware(adapter);
8f891387 1230 else {
8cfdce08
SC		 1231 err = qlcnic_check_flash_fw_ver(adapter);
1232 if (err)
8f891387 1233 goto err_out;
1234
79788450 1235 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1236 }
af19b491
AKS		 1237
1238 err = qlcnic_need_fw_reset(adapter);
af19b491 1239 if (err == 0)
4e70812b 1240 goto check_fw_status;
af19b491 1241
d4066833
SC		 1242 err = qlcnic_pinit_from_rom(adapter);
1243 if (err)
1244 goto err_out;
af19b491
AKS		 1245
1246 err = qlcnic_load_firmware(adapter);
1247 if (err)
1248 goto err_out;
1249
1250 qlcnic_release_firmware(adapter);
d4066833 1251 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1252
d4066833
SC		 1253check_fw_status:
1254 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1255 if (err)
1256 goto err_out;
1257
a15ebd37 1258 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1259 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1260 err = qlcnic_check_eswitch_mode(adapter);
1261 if (err) {
1262 dev_err(&adapter->pdev->dev,
1263 "Memory allocation failed for eswitch\n");
1264 goto err_out;
1265 }
174240a8
RB		 1266 err = qlcnic_set_mgmt_operations(adapter);
1267 if (err)
1268 goto err_out;
1269
1270 qlcnic_check_options(adapter);
af19b491
AKS		 1271 adapter->need_fw_reset = 0;
1272
a7fc948f
AKS		 1273 qlcnic_release_firmware(adapter);
1274 return 0;
af19b491
AKS		 1275
1276err_out:
a15ebd37 1277 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1278 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1279
af19b491
AKS		 1280 qlcnic_release_firmware(adapter);
1281 return err;
1282}
1283
1284static int
1285qlcnic_request_irq(struct qlcnic_adapter *adapter)
1286{
1287 irq_handler_t handler;
1288 struct qlcnic_host_sds_ring *sds_ring;
13159183 1289 struct qlcnic_host_tx_ring *tx_ring;
ddb2e174 1290 int err, ring, num_sds_rings;
af19b491
AKS		 1291
1292 unsigned long flags = 0;
1293 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1294 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1295
79788450 1296 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1297 if (qlcnic_82xx_check(adapter))
1298 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1299 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1300 flags |= IRQF_SHARED;
1301
1302 } else {
1303 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1304 handler = qlcnic_msix_intr;
1305 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1306 handler = qlcnic_msi_intr;
1307 else {
1308 flags |= IRQF_SHARED;
ac166700
HM		 1309 if (qlcnic_82xx_check(adapter))
1310 handler = qlcnic_intr;
1311 else
1312 handler = qlcnic_83xx_intr;
7eb9855d 1313 }
af19b491
AKS		 1314 }
1315 adapter->irq = netdev->irq;
1316
13159183 1317 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1318 if (qlcnic_82xx_check(adapter) ||
1319 (qlcnic_83xx_check(adapter) &&
1320 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
ddb2e174
HM		 1321 num_sds_rings = adapter->max_sds_rings;
1322 for (ring = 0; ring < num_sds_rings; ring++) {
ac166700 1323 sds_ring = &recv_ctx->sds_rings[ring];
ddb2e174
HM		 1324 if (qlcnic_82xx_check(adapter) &&
1325 (ring == (num_sds_rings - 1)))
1326 snprintf(sds_ring->name,
1327 sizeof(sds_ring->name),
1328 "qlcnic-%s[Tx0+Rx%d]",
1329 netdev->name, ring);
1330 else
1331 snprintf(sds_ring->name,
1332 sizeof(sds_ring->name),
1333 "qlcnic-%s[Rx%d]",
1334 netdev->name, ring);
ac166700
HM		 1335 err = request_irq(sds_ring->irq, handler, flags,
1336 sds_ring->name, sds_ring);
1337 if (err)
1338 return err;
1339 }
13159183
SC		 1340 }
1341 if (qlcnic_83xx_check(adapter) &&
da6c8063
RB		 1342 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1343 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1344 handler = qlcnic_msix_tx_intr;
1345 for (ring = 0; ring < adapter->max_drv_tx_rings;
1346 ring++) {
1347 tx_ring = &adapter->tx_ring[ring];
ddb2e174
HM		 1348 snprintf(tx_ring->name, sizeof(tx_ring->name),
1349 "qlcnic-%s[Tx%d]", netdev->name, ring);
13159183
SC		 1350 err = request_irq(tx_ring->irq, handler, flags,
1351 tx_ring->name, tx_ring);
1352 if (err)
1353 return err;
1354 }
1355 }
af19b491 1356 }
af19b491
AKS		 1357 return 0;
1358}
1359
1360static void
1361qlcnic_free_irq(struct qlcnic_adapter *adapter)
1362{
1363 int ring;
1364 struct qlcnic_host_sds_ring *sds_ring;
13159183 1365 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1366
b1fc6d3c 1367 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1368
13159183 1369 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1370 if (qlcnic_82xx_check(adapter) ||
1371 (qlcnic_83xx_check(adapter) &&
1372 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1373 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1374 sds_ring = &recv_ctx->sds_rings[ring];
1375 free_irq(sds_ring->irq, sds_ring);
1376 }
13159183 1377 }
da6c8063
RB		 1378 if (qlcnic_83xx_check(adapter) &&
1379 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1380 for (ring = 0; ring < adapter->max_drv_tx_rings;
1381 ring++) {
1382 tx_ring = &adapter->tx_ring[ring];
1383 if (tx_ring->irq)
1384 free_irq(tx_ring->irq, tx_ring);
1385 }
1386 }
af19b491
AKS		 1387 }
1388}
1389
99e85879
SS		 1390static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1391{
1392 u32 capab = 0;
1393
1394 if (qlcnic_82xx_check(adapter)) {
1395 if (adapter->ahw->capabilities2 &
1396 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1397 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1398 } else {
1399 capab = adapter->ahw->capabilities;
1400 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1401 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1402 }
1403}
1404
319ecf12 1405int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1406{
8a15ad1f
AKS		 1407 int ring;
1408 struct qlcnic_host_rds_ring *rds_ring;
1409
af19b491
AKS		 1410 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1411 return -EIO;
1412
8a15ad1f
AKS		 1413 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1414 return 0;
0325d69b
RB		 1415 if (qlcnic_set_eswitch_port_config(adapter))
1416 return -EIO;
99e85879 1417 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1418
8a15ad1f
AKS		 1419 if (qlcnic_fw_create_ctx(adapter))
1420 return -EIO;
1421
1422 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1423 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1424 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1425 }
1426
af19b491
AKS		 1427 qlcnic_set_multi(netdev);
1428 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1429
b1fc6d3c 1430 adapter->ahw->linkup = 0;
af19b491
AKS		 1431
1432 if (adapter->max_sds_rings > 1)
1433 qlcnic_config_rss(adapter, 1);
1434
1435 qlcnic_config_intr_coalesce(adapter);
1436
24763d80 1437 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1438 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1439
1440 qlcnic_napi_enable(adapter);
1441
1442 qlcnic_linkevent_request(adapter, 1);
1443
79788450 1444 adapter->ahw->reset_context = 0;
af19b491
AKS		 1445 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1446 return 0;
1447}
1448
629263ac 1449int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1450{
1451 int err = 0;
1452
1453 rtnl_lock();
1454 if (netif_running(netdev))
1455 err = __qlcnic_up(adapter, netdev);
1456 rtnl_unlock();
1457
1458 return err;
1459}
1460
319ecf12 1461void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1462{
1463 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1464 return;
1465
1466 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1467 return;
1468
e8b508ef
RB		 1469 if (qlcnic_sriov_vf_check(adapter))
1470 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1471 smp_mb();
1472 spin_lock(&adapter->tx_clean_lock);
1473 netif_carrier_off(netdev);
0a46bac0 1474 adapter->ahw->linkup = 0;
af19b491
AKS		 1475 netif_tx_disable(netdev);
1476
1477 qlcnic_free_mac_list(adapter);
1478
b5e5492c
AKS		 1479 if (adapter->fhash.fnum)
1480 qlcnic_delete_lb_filters(adapter);
1481
af19b491
AKS		 1482 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1483
1484 qlcnic_napi_disable(adapter);
1485
8a15ad1f 1486 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1487 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1488
1489 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1490 qlcnic_release_tx_buffers(adapter);
1491 spin_unlock(&adapter->tx_clean_lock);
1492}
1493
1494/* Usage: During suspend and firmware recovery module */
1495
629263ac 1496void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1497{
1498 rtnl_lock();
1499 if (netif_running(netdev))
1500 __qlcnic_down(adapter, netdev);
1501 rtnl_unlock();
1502
1503}
1504
319ecf12 1505int
af19b491
AKS		 1506qlcnic_attach(struct qlcnic_adapter *adapter)
1507{
1508 struct net_device *netdev = adapter->netdev;
1509 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1510 int err;
af19b491
AKS		 1511
1512 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1513 return 0;
1514
af19b491
AKS		 1515 err = qlcnic_napi_add(adapter, netdev);
1516 if (err)
1517 return err;
1518
1519 err = qlcnic_alloc_sw_resources(adapter);
1520 if (err) {
1521 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1522 goto err_out_napi_del;
af19b491
AKS		 1523 }
1524
1525 err = qlcnic_alloc_hw_resources(adapter);
1526 if (err) {
1527 dev_err(&pdev->dev, "Error in setting hw resources\n");
1528 goto err_out_free_sw;
1529 }
1530
af19b491
AKS		 1531 err = qlcnic_request_irq(adapter);
1532 if (err) {
1533 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1534 goto err_out_free_hw;
af19b491
AKS		 1535 }
1536
af19b491
AKS		 1537 qlcnic_create_sysfs_entries(adapter);
1538
1539 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1540 return 0;
1541
8a15ad1f 1542err_out_free_hw:
af19b491
AKS		 1543 qlcnic_free_hw_resources(adapter);
1544err_out_free_sw:
1545 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1546err_out_napi_del:
1547 qlcnic_napi_del(adapter);
af19b491
AKS		 1548 return err;
1549}
1550
319ecf12 1551void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1552{
1553 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1554 return;
1555
1556 qlcnic_remove_sysfs_entries(adapter);
1557
1558 qlcnic_free_hw_resources(adapter);
1559 qlcnic_release_rx_buffers(adapter);
1560 qlcnic_free_irq(adapter);
1561 qlcnic_napi_del(adapter);
1562 qlcnic_free_sw_resources(adapter);
1563
1564 adapter->is_up = 0;
1565}
1566
7eb9855d
AKS		 1567void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1568{
1569 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1570 struct qlcnic_host_sds_ring *sds_ring;
1571 int ring;
1572
78ad3892 1573 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1574 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1575 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1576 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1577 qlcnic_disable_int(sds_ring);
cdaff185 1578 }
7eb9855d
AKS		 1579 }
1580
8a15ad1f
AKS		 1581 qlcnic_fw_destroy_ctx(adapter);
1582
7eb9855d
AKS		 1583 qlcnic_detach(adapter);
1584
79788450 1585 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1586 adapter->max_sds_rings = max_sds_rings;
1587
1588 if (qlcnic_attach(adapter))
34ce3626 1589 goto out;
7eb9855d
AKS		 1590
1591 if (netif_running(netdev))
1592 __qlcnic_up(adapter, netdev);
34ce3626 1593out:
7eb9855d
AKS		 1594 netif_device_attach(netdev);
1595}
1596
b1fc6d3c
AC		 1597static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1598{
be273dc1 1599 struct qlcnic_hardware_context *ahw = adapter->ahw;
b1fc6d3c 1600 int err = 0;
be273dc1 1601
b1fc6d3c
AC		 1602 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1603 GFP_KERNEL);
1604 if (!adapter->recv_ctx) {
b1fc6d3c 1605 err = -ENOMEM;
8816d009 1606 goto err_out;
b1fc6d3c 1607 }
8816d009 1608 /* Initialize interrupt coalesce parameters */
be273dc1
HM		 1609 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1610 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1611 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1612 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1613 if (qlcnic_83xx_check(adapter)) {
1614 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1615 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1616 }
4be41e92
SC		 1617 /* clear stats */
1618 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1619err_out:
1620 return err;
1621}
1622
1623static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1624{
1625 kfree(adapter->recv_ctx);
1626 adapter->recv_ctx = NULL;
1627
18f2f616
AC		 1628 if (adapter->ahw->fw_dump.tmpl_hdr) {
1629 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1630 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1631 }
4be41e92 1632
81d0aeb0 1633 kfree(adapter->ahw->reset.buff);
4be41e92 1634 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1635}
1636
7eb9855d
AKS		 1637int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1638{
1639 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1640 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1641 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1642 int ring;
1643 int ret;
1644
1645 netif_device_detach(netdev);
1646
1647 if (netif_running(netdev))
1648 __qlcnic_down(adapter, netdev);
1649
1650 qlcnic_detach(adapter);
1651
1652 adapter->max_sds_rings = 1;
79788450 1653 adapter->ahw->diag_test = test;
4be41e92 1654 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1655
1656 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1657 if (ret) {
1658 netif_device_attach(netdev);
7eb9855d 1659 return ret;
34ce3626 1660 }
7eb9855d 1661
8a15ad1f
AKS		 1662 ret = qlcnic_fw_create_ctx(adapter);
1663 if (ret) {
1664 qlcnic_detach(adapter);
57e46248 1665 netif_device_attach(netdev);
8a15ad1f
AKS		 1666 return ret;
1667 }
1668
1669 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1670 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1671 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1672 }
1673
79788450 1674 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1675 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1676 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1677 qlcnic_enable_int(sds_ring);
cdaff185 1678 }
7eb9855d 1679 }
22c8c934 1680
79788450 1681 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1682 adapter->ahw->loopback_state = 0;
1683 qlcnic_linkevent_request(adapter, 1);
1684 }
1685
78ad3892 1686 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1687
1688 return 0;
1689}
1690
68bf1c68
AKS		 1691/* Reset context in hardware only */
1692static int
1693qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1694{
1695 struct net_device *netdev = adapter->netdev;
1696
1697 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1698 return -EBUSY;
1699
1700 netif_device_detach(netdev);
1701
1702 qlcnic_down(adapter, netdev);
1703
1704 qlcnic_up(adapter, netdev);
1705
1706 netif_device_attach(netdev);
1707
1708 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1709 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1710 return 0;
1711}
1712
af19b491
AKS		 1713int
1714qlcnic_reset_context(struct qlcnic_adapter *adapter)
1715{
1716 int err = 0;
1717 struct net_device *netdev = adapter->netdev;
1718
1719 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1720 return -EBUSY;
1721
1722 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1723
1724 netif_device_detach(netdev);
1725
1726 if (netif_running(netdev))
1727 __qlcnic_down(adapter, netdev);
1728
1729 qlcnic_detach(adapter);
1730
1731 if (netif_running(netdev)) {
1732 err = qlcnic_attach(adapter);
1d5c88e3 1733 if (!err) {
34ce3626 1734 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1735 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1736 }
af19b491
AKS		 1737 }
1738
1739 netif_device_attach(netdev);
1740 }
1741
af19b491
AKS		 1742 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1743 return err;
1744}
1745
f8468331 1746int
5ad6ff9d
SC		 1747qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1748 int pci_using_dac)
af19b491
AKS		 1749{
1750 int err;
1751 struct pci_dev *pdev = adapter->pdev;
1752
13159183 1753 adapter->rx_csum = 1;
79788450 1754 adapter->ahw->mc_enabled = 0;
13159183 1755 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1756
1757 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1758 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1759
1760 qlcnic_change_mtu(netdev, netdev->mtu);
1761
d1a1105e
RB		 1762 if (qlcnic_sriov_vf_check(adapter))
1763 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1764 else
1765 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1766
7e38d04b 1767 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1768 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1769 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1770 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1771 NETIF_F_IPV6_CSUM);
ac8d0c4f 1772
13159183
SC		 1773 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1774 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1775 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1776 }
af19b491 1777
13159183
SC		 1778 if (pci_using_dac) {
1779 netdev->features |= NETIF_F_HIGHDMA;
1780 netdev->vlan_features |= NETIF_F_HIGHDMA;
1781 }
af19b491 1782
13159183 1783 if (qlcnic_vlan_tx_check(adapter))
f646968f 1784 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 1785
91b7282b
RB		 1786 if (qlcnic_sriov_vf_check(adapter))
1787 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1788
13159183
SC		 1789 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1790 netdev->features |= NETIF_F_LRO;
135d84a9 1791
7e38d04b 1792 netdev->hw_features = netdev->features;
af19b491
AKS		 1793 netdev->irq = adapter->msix_entries[0].vector;
1794
af19b491
AKS		 1795 err = register_netdev(netdev);
1796 if (err) {
1797 dev_err(&pdev->dev, "failed to register net device\n");
1798 return err;
1799 }
1800
1801 return 0;
1802}
1803
5ad6ff9d 1804static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1805{
1806 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1807 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1808 *pci_using_dac = 1;
1809 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1810 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1811 *pci_using_dac = 0;
1812 else {
1813 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1814 return -EIO;
1815 }
1816
1817 return 0;
1818}
1819
4be41e92
SC		 1820void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1821{
1822 int ring;
1823 struct qlcnic_host_tx_ring *tx_ring;
1824
1825 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1826 tx_ring = &adapter->tx_ring[ring];
1827 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1828 vfree(tx_ring->cmd_buf_arr);
1829 tx_ring->cmd_buf_arr = NULL;
1830 }
1831 }
1832 if (adapter->tx_ring != NULL)
1833 kfree(adapter->tx_ring);
1834}
1835
1836int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1837 struct net_device *netdev)
1838{
b2adaca9 1839 int ring, vector, index;
4be41e92
SC		 1840 struct qlcnic_host_tx_ring *tx_ring;
1841 struct qlcnic_cmd_buffer *cmd_buf_arr;
1842
b2adaca9
JP		 1843 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1844 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1845 if (tx_ring == NULL)
4be41e92 1846 return -ENOMEM;
b2adaca9 1847
4be41e92
SC		 1848 adapter->tx_ring = tx_ring;
1849
1850 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1851 tx_ring = &adapter->tx_ring[ring];
1852 tx_ring->num_desc = adapter->num_txd;
1853 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1854 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1855 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1856 qlcnic_free_tx_rings(adapter);
1857 return -ENOMEM;
1858 }
1859 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1860 tx_ring->cmd_buf_arr = cmd_buf_arr;
1861 }
1862
1863 if (qlcnic_83xx_check(adapter)) {
1864 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1865 tx_ring = &adapter->tx_ring[ring];
1866 tx_ring->adapter = adapter;
1867 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1868 index = adapter->max_sds_rings + ring;
1869 vector = adapter->msix_entries[index].vector;
1870 tx_ring->irq = vector;
1871 }
1872 }
1873 }
1874 return 0;
1875}
1876
6bb58bb0 1877static int
af19b491
AKS		 1878qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1879{
1880 struct net_device *netdev = NULL;
1881 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1882 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1883 int err, pci_using_dac = -1;
c84e340a 1884 u32 capab2;
7bc48646 1885 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 1886
f8468331
RB		 1887 if (pdev->is_virtfn)
1888 return -ENODEV;
1889
af19b491
AKS		 1890 err = pci_enable_device(pdev);
1891 if (err)
1892 return err;
1893
1894 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1895 err = -ENODEV;
1896 goto err_out_disable_pdev;
1897 }
1898
1bb09fb9
AKS		 1899 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1900 if (err)
1901 goto err_out_disable_pdev;
1902
af19b491
AKS		 1903 err = pci_request_regions(pdev, qlcnic_driver_name);
1904 if (err)
1905 goto err_out_disable_pdev;
1906
1907 pci_set_master(pdev);
451724c8 1908 pci_enable_pcie_error_reporting(pdev);
af19b491 1909
7e2cf4fe
SC		 1910 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1911 if (!ahw)
1912 goto err_out_free_res;
1913
f8468331
RB		 1914 switch (ent->device) {
1915 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 1916 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 1917 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
1918 break;
1919 case PCI_DEVICE_ID_QLOGIC_QLE834X:
13159183 1920 qlcnic_83xx_register_map(ahw);
f8468331
RB		 1921 break;
1922 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1923 qlcnic_sriov_vf_register_map(ahw);
1924 break;
1925 default:
13159183 1926 goto err_out_free_hw_res;
7e2cf4fe
SC		 1927 }
1928
1929 err = qlcnic_setup_pci_map(pdev, ahw);
1930 if (err)
1931 goto err_out_free_hw_res;
1932
af19b491
AKS		 1933 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1934 if (!netdev) {
af19b491 1935 err = -ENOMEM;
7e2cf4fe 1936 goto err_out_iounmap;
af19b491
AKS		 1937 }
1938
1939 SET_NETDEV_DEV(netdev, &pdev->dev);
1940
1941 adapter = netdev_priv(netdev);
1942 adapter->netdev = netdev;
1943 adapter->pdev = pdev;
13159183
SC		 1944 adapter->ahw = ahw;
1945
1946 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1947 if (adapter->qlcnic_wq == NULL) {
1948 dev_err(&pdev->dev, "Failed to create workqueue\n");
1949 goto err_out_free_netdev;
1950 }
af19b491 1951
2dfc9671
PST		 1952 err = qlcnic_alloc_adapter_resources(adapter);
1953 if (err)
b1fc6d3c
AC		 1954 goto err_out_free_netdev;
1955
1956 adapter->dev_rst_time = jiffies;
7e2cf4fe 1957 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1958 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1959 adapter->fdb_mac_learn = true;
1960 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1961 adapter->drv_mac_learn = true;
7e2cf4fe 1962 adapter->max_drv_tx_rings = 1;
af19b491 1963
b1fc6d3c
AC		 1964 rwlock_init(&adapter->ahw->crb_lock);
1965 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1966
1967 spin_lock_init(&adapter->tx_clean_lock);
1968 INIT_LIST_HEAD(&adapter->mac_list);
1969
7e2cf4fe 1970 if (qlcnic_82xx_check(adapter)) {
13159183 1971 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1972 adapter->portnum = adapter->ahw->pci_func;
1973 err = qlcnic_start_firmware(adapter);
1974 if (err) {
1975 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1976 goto err_out_free_hw;
1977 }
af19b491 1978
7e2cf4fe
SC		 1979 err = qlcnic_setup_idc_param(adapter);
1980 if (err)
1981 goto err_out_free_hw;
b0044bcf 1982
7e2cf4fe 1983 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1984 } else if (qlcnic_83xx_check(adapter)) {
1985 qlcnic_83xx_check_vf(adapter, ent);
1986 adapter->portnum = adapter->ahw->pci_func;
f8468331 1987 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 1988 if (err) {
1989 dev_err(&pdev->dev, "%s: failed\n", __func__);
1990 goto err_out_free_hw;
1991 }
f8468331
RB		 1992 if (qlcnic_sriov_vf_check(adapter))
1993 return 0;
13159183
SC		 1994 } else {
1995 dev_err(&pdev->dev,
1996 "%s: failed. Please Reboot\n", __func__);
1997 goto err_out_free_hw;
a7fc948f 1998 }
af19b491 1999
da48e6c3
RB		 2000 if (qlcnic_read_mac_addr(adapter))
2001 dev_warn(&pdev->dev, "failed to read mac addr\n");
2002
2003 if (adapter->portnum == 0) {
22999798 2004 qlcnic_get_board_name(adapter, board_name);
13159183 2005
da48e6c3 2006 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 2007 module_name(THIS_MODULE),
2008 board_name, adapter->ahw->revision_id);
da48e6c3 2009 }
460374f7
HM		 2010
2011 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2012 !!qlcnic_use_msi)
2013 dev_warn(&pdev->dev,
2014 "83xx adapter do not support MSI interrupts\n");
2015
7e2cf4fe 2016 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 2017 if (err) {
2018 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 2019 goto err_out_disable_msi;
9a97e705 2020 }
f94bc1e7 2021
13159183
SC		 2022 if (qlcnic_83xx_check(adapter)) {
2023 err = qlcnic_83xx_setup_mbx_intr(adapter);
2024 if (err)
2025 goto err_out_disable_msi;
2026 }
af19b491 2027
1bb09fb9 2028 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2029 if (err)
7e2cf4fe 2030 goto err_out_disable_mbx_intr;
af19b491 2031
c84e340a
SV		 2032 if (qlcnic_82xx_check(adapter)) {
2033 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
2034 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
2035 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
2036 qlcnic_fw_cmd_set_drv_version(adapter);
2037 }
2038 }
2039
af19b491
AKS		 2040 pci_set_drvdata(pdev, adapter);
2041
97ee45eb
SC		 2042 if (qlcnic_82xx_check(adapter))
2043 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2044 FW_POLL_DELAY);
af19b491 2045
b1fc6d3c 2046 switch (adapter->ahw->port_type) {
af19b491
AKS		 2047 case QLCNIC_GBE:
2048 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2049 adapter->netdev->name);
2050 break;
2051 case QLCNIC_XGBE:
2052 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2053 adapter->netdev->name);
2054 break;
2055 }
2056
7e2cf4fe
SC		 2057 if (qlcnic_get_act_pci_func(adapter))
2058 goto err_out_disable_mbx_intr;
2059
fe1adc6b 2060 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2061 qlcnic_alloc_lb_filters_mem(adapter);
2062
7e2cf4fe 2063 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2064
2065 return 0;
2066
7e2cf4fe 2067err_out_disable_mbx_intr:
7dd90cf1 2068 if (qlcnic_83xx_check(adapter))
13159183 2069 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2070
af19b491
AKS		 2071err_out_disable_msi:
2072 qlcnic_teardown_intr(adapter);
7e2cf4fe 2073 qlcnic_cancel_idc_work(adapter);
21854f02 2074 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2075
b1fc6d3c
AC		 2076err_out_free_hw:
2077 qlcnic_free_adapter_resources(adapter);
2078
af19b491
AKS		 2079err_out_free_netdev:
2080 free_netdev(netdev);
2081
7e2cf4fe 2082err_out_iounmap:
f1a094a8 2083 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2084
2085err_out_free_hw_res:
2086 kfree(ahw);
2087
af19b491
AKS		 2088err_out_free_res:
2089 pci_release_regions(pdev);
2090
2091err_out_disable_pdev:
2092 pci_set_drvdata(pdev, NULL);
2093 pci_disable_device(pdev);
2094 return err;
2095}
2096
6bb58bb0 2097static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2098{
2099 struct qlcnic_adapter *adapter;
2100 struct net_device *netdev;
13159183 2101 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2102
2103 adapter = pci_get_drvdata(pdev);
2104 if (adapter == NULL)
2105 return;
2106
2107 netdev = adapter->netdev;
02feda17 2108 qlcnic_sriov_pf_disable(adapter);
af19b491 2109
13159183
SC		 2110 qlcnic_cancel_idc_work(adapter);
2111 ahw = adapter->ahw;
af19b491
AKS		 2112
2113 unregister_netdev(netdev);
02feda17 2114 qlcnic_sriov_cleanup(adapter);
af19b491 2115
13159183 2116 if (qlcnic_83xx_check(adapter)) {
13159183 2117 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2118 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2119 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2120 }
2121
af19b491
AKS		 2122 qlcnic_detach(adapter);
2123
2e9d722d
AC		 2124 if (adapter->npars != NULL)
2125 kfree(adapter->npars);
2126 if (adapter->eswitch != NULL)
2127 kfree(adapter->eswitch);
2128
97ee45eb
SC		 2129 if (qlcnic_82xx_check(adapter))
2130 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2131
2132 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2133
b5e5492c
AKS		 2134 qlcnic_free_lb_filters_mem(adapter);
2135
af19b491
AKS		 2136 qlcnic_teardown_intr(adapter);
2137
13159183 2138 qlcnic_remove_sysfs(adapter);
af19b491 2139
f1a094a8 2140 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2141
2142 qlcnic_release_firmware(adapter);
2143
451724c8 2144 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2145 pci_release_regions(pdev);
2146 pci_disable_device(pdev);
2147 pci_set_drvdata(pdev, NULL);
2148
13159183
SC		 2149 if (adapter->qlcnic_wq) {
2150 destroy_workqueue(adapter->qlcnic_wq);
2151 adapter->qlcnic_wq = NULL;
2152 }
b1fc6d3c 2153 qlcnic_free_adapter_resources(adapter);
13159183 2154 kfree(ahw);
af19b491
AKS		 2155 free_netdev(netdev);
2156}
2157static int __qlcnic_shutdown(struct pci_dev *pdev)
2158{
2159 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2160 struct net_device *netdev = adapter->netdev;
2161 int retval;
2162
2163 netif_device_detach(netdev);
2164
13159183 2165 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2166
2167 if (netif_running(netdev))
2168 qlcnic_down(adapter, netdev);
2169
97d8105c 2170 qlcnic_sriov_cleanup(adapter);
97ee45eb
SC		 2171 if (qlcnic_82xx_check(adapter))
2172 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2173
2174 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2175
2176 retval = pci_save_state(pdev);
2177 if (retval)
2178 return retval;
97ee45eb
SC		 2179 if (qlcnic_82xx_check(adapter)) {
2180 if (qlcnic_wol_supported(adapter)) {
2181 pci_enable_wake(pdev, PCI_D3cold, 1);
2182 pci_enable_wake(pdev, PCI_D3hot, 1);
2183 }
af19b491
AKS		 2184 }
2185
2186 return 0;
2187}
2188
2189static void qlcnic_shutdown(struct pci_dev *pdev)
2190{
2191 if (__qlcnic_shutdown(pdev))
2192 return;
2193
2194 pci_disable_device(pdev);
2195}
2196
2197#ifdef CONFIG_PM
2198static int
2199qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2200{
2201 int retval;
2202
2203 retval = __qlcnic_shutdown(pdev);
2204 if (retval)
2205 return retval;
2206
2207 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2208 return 0;
2209}
2210
2211static int
2212qlcnic_resume(struct pci_dev *pdev)
2213{
2214 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2215 struct net_device *netdev = adapter->netdev;
2216 int err;
2217
2218 err = pci_enable_device(pdev);
2219 if (err)
2220 return err;
2221
2222 pci_set_power_state(pdev, PCI_D0);
2223 pci_set_master(pdev);
2224 pci_restore_state(pdev);
2225
13159183 2226 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2227 if (err) {
2228 dev_err(&pdev->dev, "failed to start firmware\n");
2229 return err;
2230 }
2231
2232 if (netif_running(netdev)) {
af19b491
AKS		 2233 err = qlcnic_up(adapter, netdev);
2234 if (err)
52486a3a 2235 goto done;
af19b491 2236
aec1e845 2237 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2238 }
52486a3a 2239done:
af19b491
AKS		 2240 netif_device_attach(netdev);
2241 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2242 return 0;
af19b491
AKS		 2243}
2244#endif
2245
2246static int qlcnic_open(struct net_device *netdev)
2247{
2248 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2249 int err;
2250
c55ad8e5
AKS		 2251 netif_carrier_off(netdev);
2252
af19b491
AKS		 2253 err = qlcnic_attach(adapter);
2254 if (err)
2255 return err;
2256
2257 err = __qlcnic_up(adapter, netdev);
2258 if (err)
2259 goto err_out;
2260
2261 netif_start_queue(netdev);
2262
2263 return 0;
2264
2265err_out:
2266 qlcnic_detach(adapter);
2267 return err;
2268}
2269
2270/*
2271 * qlcnic_close - Disables a network interface entry point
2272 */
2273static int qlcnic_close(struct net_device *netdev)
2274{
2275 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2276
2277 __qlcnic_down(adapter, netdev);
13159183 2278
af19b491
AKS		 2279 return 0;
2280}
2281
e5dcf6dc 2282void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2283{
2284 void *head;
2285 int i;
13159183
SC		 2286 struct net_device *netdev = adapter->netdev;
2287 u32 filter_size = 0;
2288 u16 act_pci_func = 0;
b5e5492c 2289
e5dcf6dc 2290 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2291 return;
2292
13159183 2293 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2294 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2295 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2296
13159183
SC		 2297 if (qlcnic_82xx_check(adapter)) {
2298 filter_size = QLCNIC_LB_MAX_FILTERS;
2299 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2300 } else {
2301 filter_size = QLC_83XX_LB_MAX_FILTERS;
2302 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2303 }
2304
2305 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2306 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2307
b5e5492c
AKS		 2308 if (!head)
2309 return;
2310
13159183 2311 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2312 adapter->fhash.fhead = head;
b5e5492c 2313
13159183
SC		 2314 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2315 act_pci_func, adapter->fhash.fmax);
2316
2317 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2318 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2319
2320 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2321
2322 head = kcalloc(adapter->rx_fhash.fbucket_size,
2323 sizeof(struct hlist_head), GFP_ATOMIC);
2324
2325 if (!head)
2326 return;
2327
2328 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2329 adapter->rx_fhash.fhead = head;
2330
2331 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2332 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2333}
2334
2335static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2336{
2337 if (adapter->fhash.fmax && adapter->fhash.fhead)
2338 kfree(adapter->fhash.fhead);
2339
2340 adapter->fhash.fhead = NULL;
2341 adapter->fhash.fmax = 0;
53643a75
SS		 2342
2343 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2344 kfree(adapter->rx_fhash.fhead);
2345
2346 adapter->rx_fhash.fmax = 0;
2347 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2348}
2349
629263ac 2350int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2351{
2352 struct net_device *netdev = adapter->netdev;
97ee45eb 2353 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2354 int rv = 0;
2355
13159183
SC		 2356 if (qlcnic_83xx_check(adapter))
2357 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2358
97ee45eb 2359 if (qlcnic_82xx_check(adapter))
a15ebd37 2360 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2361
2362 temp_state = qlcnic_get_temp_state(temp);
2363 temp_val = qlcnic_get_temp_val(temp);
2364
2365 if (temp_state == QLCNIC_TEMP_PANIC) {
2366 dev_err(&netdev->dev,
2367 "Device temperature %d degrees C exceeds"
2368 " maximum allowed. Hardware has been shut down.\n",
2369 temp_val);
2370 rv = 1;
2371 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2372 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2373 dev_err(&netdev->dev,
2374 "Device temperature %d degrees C "
2375 "exceeds operating range."
2376 " Immediate action needed.\n",
2377 temp_val);
2378 }
2379 } else {
79788450 2380 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2381 dev_info(&netdev->dev,
2382 "Device temperature is now %d degrees C"
2383 " in normal range.\n", temp_val);
2384 }
2385 }
79788450 2386 adapter->ahw->temp = temp_state;
af19b491
AKS		 2387 return rv;
2388}
2389
af19b491
AKS		 2390static void qlcnic_tx_timeout(struct net_device *netdev)
2391{
2392 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2393
2394 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2395 return;
2396
2397 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2398
2399 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2400 adapter->need_fw_reset = 1;
2401 else
79788450 2402 adapter->ahw->reset_context = 1;
af19b491
AKS		 2403}
2404
2405static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2406{
2407 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2408 struct net_device_stats *stats = &netdev->stats;
2409
af19b491
AKS		 2410 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2411 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2412 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2413 stats->tx_bytes = adapter->stats.txbytes;
2414 stats->rx_dropped = adapter->stats.rxdropped;
2415 stats->tx_dropped = adapter->stats.txdropped;
2416
2417 return stats;
2418}
2419
7e2cf4fe 2420irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2421{
af19b491
AKS		 2422 u32 status;
2423
2424 status = readl(adapter->isr_int_vec);
2425
79788450 2426 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2427 return IRQ_NONE;
2428
2429 /* check interrupt state machine, to be sure */
2430 status = readl(adapter->crb_int_state_reg);
2431 if (!ISR_LEGACY_INT_TRIGGERED(status))
2432 return IRQ_NONE;
2433
2434 writel(0xffffffff, adapter->tgt_status_reg);
2435 /* read twice to ensure write is flushed */
2436 readl(adapter->isr_int_vec);
2437 readl(adapter->isr_int_vec);
2438
7eb9855d
AKS		 2439 return IRQ_HANDLED;
2440}
2441
2442static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2443{
2444 struct qlcnic_host_sds_ring *sds_ring = data;
2445 struct qlcnic_adapter *adapter = sds_ring->adapter;
2446
2447 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2448 goto done;
2449 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2450 writel(0xffffffff, adapter->tgt_status_reg);
2451 goto done;
2452 }
2453
2454 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2455 return IRQ_NONE;
2456
2457done:
79788450 2458 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2459 qlcnic_enable_int(sds_ring);
2460 return IRQ_HANDLED;
2461}
2462
2463static irqreturn_t qlcnic_intr(int irq, void *data)
2464{
2465 struct qlcnic_host_sds_ring *sds_ring = data;
2466 struct qlcnic_adapter *adapter = sds_ring->adapter;
2467
2468 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2469 return IRQ_NONE;
2470
af19b491
AKS		 2471 napi_schedule(&sds_ring->napi);
2472
2473 return IRQ_HANDLED;
2474}
2475
2476static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2477{
2478 struct qlcnic_host_sds_ring *sds_ring = data;
2479 struct qlcnic_adapter *adapter = sds_ring->adapter;
2480
2481 /* clear interrupt */
2482 writel(0xffffffff, adapter->tgt_status_reg);
2483
2484 napi_schedule(&sds_ring->napi);
2485 return IRQ_HANDLED;
2486}
2487
2488static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2489{
2490 struct qlcnic_host_sds_ring *sds_ring = data;
2491
2492 napi_schedule(&sds_ring->napi);
2493 return IRQ_HANDLED;
2494}
2495
13159183
SC		 2496static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2497{
2498 struct qlcnic_host_tx_ring *tx_ring = data;
2499
2500 napi_schedule(&tx_ring->napi);
2501 return IRQ_HANDLED;
2502}
2503
af19b491
AKS		 2504#ifdef CONFIG_NET_POLL_CONTROLLER
2505static void qlcnic_poll_controller(struct net_device *netdev)
2506{
bf82791e
YL		 2507 int ring;
2508 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2509 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2510 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2511
af19b491 2512 disable_irq(adapter->irq);
bf82791e
YL		 2513 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2514 sds_ring = &recv_ctx->sds_rings[ring];
2515 qlcnic_intr(adapter->irq, sds_ring);
2516 }
af19b491
AKS		 2517 enable_irq(adapter->irq);
2518}
2519#endif
2520
6df900e9
SC		 2521static void
2522qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2523{
2524 u32 val;
2525
2526 val = adapter->portnum & 0xf;
2527 val |= encoding << 7;
2528 val |= (jiffies - adapter->dev_rst_time) << 8;
2529
a15ebd37 2530 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2531 adapter->dev_rst_time = jiffies;
2532}
2533
ade91f8e
AKS		 2534static int
2535qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2536{
2537 u32 val;
2538
2539 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2540 state != QLCNIC_DEV_NEED_QUISCENT);
2541
2542 if (qlcnic_api_lock(adapter))
ade91f8e 2543 return -EIO;
af19b491 2544
a15ebd37 2545 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2546
2547 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2548 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2549 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2550 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2551
a15ebd37 2552 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2553
2554 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2555
2556 return 0;
af19b491
AKS		 2557}
2558
1b95a839
AKS		 2559static int
2560qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2561{
2562 u32 val;
2563
2564 if (qlcnic_api_lock(adapter))
2565 return -EBUSY;
2566
a15ebd37 2567 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2568 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2569 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2570
2571 qlcnic_api_unlock(adapter);
2572
2573 return 0;
2574}
2575
af19b491 2576static void
21854f02 2577qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2578{
2579 u32 val;
2580
2581 if (qlcnic_api_lock(adapter))
2582 goto err;
2583
a15ebd37 2584 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2585 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2586 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2587
21854f02 2588 if (failed) {
a15ebd37
HM		 2589 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2590 QLCNIC_DEV_FAILED);
21854f02
AKS		 2591 dev_info(&adapter->pdev->dev,
2592 "Device state set to Failed. Please Reboot\n");
2593 } else if (!(val & 0x11111111))
a15ebd37
HM		 2594 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2595 QLCNIC_DEV_COLD);
af19b491 2596
a15ebd37 2597 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2598 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2599 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2600
2601 qlcnic_api_unlock(adapter);
2602err:
2603 adapter->fw_fail_cnt = 0;
032a13c7 2604 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2605 clear_bit(__QLCNIC_START_FW, &adapter->state);
2606 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2607}
2608
f73dfc50 2609/* Grab api lock, before checking state */
af19b491
AKS		 2610static int
2611qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2612{
602ca6f0 2613 int act, state, active_mask;
a15ebd37 2614 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2615
a15ebd37
HM		 2616 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2617 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2618
602ca6f0 2619 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2620 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2621 act = act & active_mask;
2622 }
2623
af19b491
AKS		 2624 if (((state & 0x11111111) == (act & 0x11111111)) ||
2625 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2626 return 0;
2627 else
2628 return 1;
2629}
2630
96f8118c
SC		 2631static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2632{
a15ebd37 2633 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2634
2635 if (val != QLCNIC_DRV_IDC_VER) {
2636 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2637 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2638 }
2639
2640 return 0;
2641}
2642
af19b491
AKS		 2643static int
2644qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2645{
2646 u32 val, prev_state;
aa5e18c0 2647 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2648 u8 portnum = adapter->portnum;
96f8118c 2649 u8 ret;
af19b491 2650
f73dfc50
AKS		 2651 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2652 return 1;
2653
af19b491
AKS		 2654 if (qlcnic_api_lock(adapter))
2655 return -1;
2656
a15ebd37 2657 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2658 if (!(val & (1 << (portnum * 4)))) {
2659 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2660 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2661 }
2662
a15ebd37 2663 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2664 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2665
2666 switch (prev_state) {
2667 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2669 QLCNIC_DEV_INITIALIZING);
2670 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2671 QLCNIC_DRV_IDC_VER);
6df900e9 2672 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2673 qlcnic_api_unlock(adapter);
2674 return 1;
2675
2676 case QLCNIC_DEV_READY:
96f8118c 2677 ret = qlcnic_check_idc_ver(adapter);
af19b491 2678 qlcnic_api_unlock(adapter);
96f8118c 2679 return ret;
af19b491
AKS		 2680
2681 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2682 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2683 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2684 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2685 break;
2686
2687 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2688 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2689 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2690 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2691 break;
2692
2693 case QLCNIC_DEV_FAILED:
a7fc948f 2694 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2695 qlcnic_api_unlock(adapter);
2696 return -1;
bbd8c6a4
AKS		 2697
2698 case QLCNIC_DEV_INITIALIZING:
2699 case QLCNIC_DEV_QUISCENT:
2700 break;
af19b491
AKS		 2701 }
2702
2703 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2704
2705 do {
af19b491 2706 msleep(1000);
a15ebd37 2707 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2708
2709 if (prev_state == QLCNIC_DEV_QUISCENT)
2710 continue;
2711 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2712
65b5b420
AKS		 2713 if (!dev_init_timeo) {
2714 dev_err(&adapter->pdev->dev,
2715 "Waiting for device to initialize timeout\n");
af19b491 2716 return -1;
65b5b420 2717 }
af19b491
AKS		 2718
2719 if (qlcnic_api_lock(adapter))
2720 return -1;
2721
a15ebd37 2722 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2723 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2724 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2725
96f8118c 2726 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2727 qlcnic_api_unlock(adapter);
2728
96f8118c 2729 return ret;
af19b491
AKS		 2730}
2731
2732static void
2733qlcnic_fwinit_work(struct work_struct *work)
2734{
2735 struct qlcnic_adapter *adapter = container_of(work,
2736 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2737 u32 dev_state = 0xf;
7b749ff4 2738 u32 val;
af19b491 2739
f73dfc50
AKS		 2740 if (qlcnic_api_lock(adapter))
2741 goto err_ret;
af19b491 2742
a15ebd37 2743 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2744 if (dev_state == QLCNIC_DEV_QUISCENT ||
2745 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2746 qlcnic_api_unlock(adapter);
2747 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2748 FW_POLL_DELAY * 2);
2749 return;
2750 }
2751
79788450 2752 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2753 qlcnic_api_unlock(adapter);
2754 goto wait_npar;
9f26f547
AC		 2755 }
2756
16e3cf73
SV		 2757 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2758 dev_state == QLCNIC_DEV_READY) {
2759 dev_info(&adapter->pdev->dev, "Detected state change from "
2760 "DEV_NEED_RESET, skipping ack check\n");
2761 goto skip_ack_check;
2762 }
2763
f73dfc50 2764 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2765 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2766 adapter->reset_ack_timeo);
2767 goto skip_ack_check;
2768 }
2769
2770 if (!qlcnic_check_drv_state(adapter)) {
2771skip_ack_check:
a15ebd37 2772 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2773
f73dfc50 2774 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2775 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2776 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2777 set_bit(__QLCNIC_START_FW, &adapter->state);
2778 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2779 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2780 val = QLC_SHARED_REG_RD32(adapter,
2781 QLCNIC_CRB_DRV_STATE);
7b749ff4 2782 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2783 QLC_SHARED_REG_WR32(adapter,
2784 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2785 }
2786
f73dfc50
AKS		 2787 qlcnic_api_unlock(adapter);
2788
287e38aa 2789 rtnl_lock();
7b749ff4
SV		 2790 if (adapter->ahw->fw_dump.enable &&
2791 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2792 QLCDB(adapter, DRV, "Take FW dump\n");
2793 qlcnic_dump_fw(adapter);
032a13c7 2794 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2795 }
287e38aa 2796 rtnl_unlock();
7b749ff4
SV		 2797
2798 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2799 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2800 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2801 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2802 return;
2803 }
af19b491
AKS		 2804 goto err_ret;
2805 }
2806
f73dfc50 2807 qlcnic_api_unlock(adapter);
aa5e18c0 2808
9f26f547 2809wait_npar:
a15ebd37 2810 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2811 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2812
af19b491 2813 switch (dev_state) {
3c4b23b1 2814 case QLCNIC_DEV_READY:
7e2cf4fe 2815 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2816 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2817 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2818 return;
2819 }
3c4b23b1
AKS		 2820 case QLCNIC_DEV_FAILED:
2821 break;
2822 default:
2823 qlcnic_schedule_work(adapter,
2824 qlcnic_fwinit_work, FW_POLL_DELAY);
2825 return;
af19b491
AKS		 2826 }
2827
2828err_ret:
f73dfc50
AKS		 2829 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2830 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2831 netif_device_attach(adapter->netdev);
21854f02 2832 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2833}
2834
2835static void
2836qlcnic_detach_work(struct work_struct *work)
2837{
2838 struct qlcnic_adapter *adapter = container_of(work,
2839 struct qlcnic_adapter, fw_work.work);
2840 struct net_device *netdev = adapter->netdev;
2841 u32 status;
2842
2843 netif_device_detach(netdev);
2844
b8c17620
AKS		 2845 /* Dont grab rtnl lock during Quiscent mode */
2846 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2847 if (netif_running(netdev))
2848 __qlcnic_down(adapter, netdev);
2849 } else
2850 qlcnic_down(adapter, netdev);
af19b491 2851
a15ebd37 2852 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2853
44f65b29
SC		 2854 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2855 dev_err(&adapter->pdev->dev,
2856 "Detaching the device: peg halt status1=0x%x\n",
2857 status);
2858
2859 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2860 dev_err(&adapter->pdev->dev,
2861 "On board active cooling fan failed. "
2862 "Device has been halted.\n");
2863 dev_err(&adapter->pdev->dev,
2864 "Replace the adapter.\n");
2865 }
2866
af19b491 2867 goto err_ret;
44f65b29 2868 }
af19b491 2869
79788450 2870 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2871 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2872 adapter->ahw->temp);
af19b491 2873 goto err_ret;
44f65b29
SC		 2874 }
2875
602ca6f0
SV		 2876 /* Dont ack if this instance is the reset owner */
2877 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2878 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2879 dev_err(&adapter->pdev->dev,
2880 "Failed to set driver state,"
2881 "detaching the device.\n");
602ca6f0 2882 goto err_ret;
44f65b29 2883 }
602ca6f0 2884 }
af19b491
AKS		 2885
2886 adapter->fw_wait_cnt = 0;
2887
2888 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2889
2890 return;
2891
2892err_ret:
34ce3626 2893 netif_device_attach(netdev);
21854f02 2894 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2895}
2896
3c4b23b1
AKS		 2897/*Transit NPAR state to NON Operational */
2898static void
2899qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2900{
2901 u32 state;
2902
a15ebd37 2903 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2904 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2905 return;
2906
2907 if (qlcnic_api_lock(adapter))
2908 return;
a15ebd37
HM		 2909 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2910 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2911 qlcnic_api_unlock(adapter);
2912}
2913
7e2cf4fe 2914void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2915{
646779f1
SV		 2916 u32 state, xg_val = 0, gb_val = 0;
2917
2918 qlcnic_xg_set_xg0_mask(xg_val);
2919 qlcnic_xg_set_xg1_mask(xg_val);
2920 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2921 qlcnic_gb_set_gb0_mask(gb_val);
2922 qlcnic_gb_set_gb1_mask(gb_val);
2923 qlcnic_gb_set_gb2_mask(gb_val);
2924 qlcnic_gb_set_gb3_mask(gb_val);
2925 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2926 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2927 " on all ports\n");
cea8975e 2928 adapter->need_fw_reset = 1;
13159183 2929
af19b491
AKS		 2930 if (qlcnic_api_lock(adapter))
2931 return;
2932
13159183 2933 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2934
f73dfc50 2935 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2936 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2937 QLCNIC_DEV_NEED_RESET);
602ca6f0 2938 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2939 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2940 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2941 }
2942
13159183
SC		 2943 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2944 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2945 qlcnic_api_unlock(adapter);
2946}
2947
9f26f547
AC		 2948/* Transit to NPAR READY state from NPAR NOT READY state */
2949static void
2950qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2951{
9f26f547
AC		 2952 if (qlcnic_api_lock(adapter))
2953 return;
2954
a15ebd37
HM		 2955 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2956 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2957 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2958
2959 qlcnic_api_unlock(adapter);
2960}
2961
13159183
SC		 2962void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2963 work_func_t func, int delay)
af19b491 2964{
451724c8
SC		 2965 if (test_bit(__QLCNIC_AER, &adapter->state))
2966 return;
2967
af19b491 2968 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2969 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2970 round_jiffies_relative(delay));
af19b491
AKS		 2971}
2972
2973static void
2974qlcnic_attach_work(struct work_struct *work)
2975{
2976 struct qlcnic_adapter *adapter = container_of(work,
2977 struct qlcnic_adapter, fw_work.work);
2978 struct net_device *netdev = adapter->netdev;
b18971d1 2979 u32 npar_state;
af19b491 2980
79788450 2981 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2982 npar_state = QLC_SHARED_REG_RD32(adapter,
2983 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2984 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2985 qlcnic_clr_all_drv_state(adapter, 0);
2986 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2987 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2988 FW_POLL_DELAY);
2989 else
2990 goto attach;
2991 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2992 return;
2993 }
2994attach:
af19b491 2995 if (netif_running(netdev)) {
52486a3a 2996 if (qlcnic_up(adapter, netdev))
af19b491 2997 goto done;
af19b491 2998
aec1e845 2999 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 3000 }
3001
af19b491 3002done:
34ce3626 3003 netif_device_attach(netdev);
af19b491 3004 adapter->fw_fail_cnt = 0;
032a13c7 3005 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 3006 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 3007
3008 if (!qlcnic_clr_drv_state(adapter))
3009 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3010 FW_POLL_DELAY);
af19b491
AKS		 3011}
3012
3013static int
3014qlcnic_check_health(struct qlcnic_adapter *adapter)
3015{
4e70812b 3016 u32 state = 0, heartbeat;
853d4bca 3017 u32 peg_status;
af19b491
AKS		 3018
3019 if (qlcnic_check_temp(adapter))
3020 goto detach;
3021
2372a5f1 3022 if (adapter->need_fw_reset)
7e2cf4fe 3023 qlcnic_dev_request_reset(adapter, 0);
af19b491 3024
a15ebd37 3025 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3026 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3027 qlcnic_set_npar_non_operational(adapter);
af19b491 3028 adapter->need_fw_reset = 1;
b8c17620
AKS		 3029 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3030 goto detach;
af19b491 3031
a15ebd37 3032 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3033 if (heartbeat != adapter->heartbeat) {
3034 adapter->heartbeat = heartbeat;
af19b491
AKS		 3035 adapter->fw_fail_cnt = 0;
3036 if (adapter->need_fw_reset)
3037 goto detach;
68bf1c68 3038
099f7aa7 3039 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 3040 qlcnic_reset_hw_context(adapter);
3041 adapter->netdev->trans_start = jiffies;
3042 }
3043
af19b491
AKS		 3044 return 0;
3045 }
3046
3047 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3048 return 0;
3049
032a13c7
SV		 3050 adapter->flags |= QLCNIC_FW_HANG;
3051
7e2cf4fe 3052 qlcnic_dev_request_reset(adapter, 0);
af19b491 3053
099f7aa7 3054 if (qlcnic_auto_fw_reset)
0df170b6 3055 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3056
853d4bca 3057 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3058 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3059 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3060 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3061 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3062 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3063 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3064 peg_status,
3065 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 3066 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3067 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3068 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3069 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3070 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 3071 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3072 dev_err(&adapter->pdev->dev,
3073 "Firmware aborted with error code 0x00006700. "
3074 "Device is being reset.\n");
af19b491
AKS		 3075detach:
3076 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3077 QLCNIC_DEV_NEED_RESET;
3078
099f7aa7
SC		 3079 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3080 &adapter->state)) {
65b5b420 3081
af19b491 3082 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3083 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3084 }
af19b491
AKS		 3085
3086 return 1;
3087}
3088
3089static void
3090qlcnic_fw_poll_work(struct work_struct *work)
3091{
3092 struct qlcnic_adapter *adapter = container_of(work,
3093 struct qlcnic_adapter, fw_work.work);
3094
3095 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3096 goto reschedule;
3097
3098
3099 if (qlcnic_check_health(adapter))
3100 return;
3101
b5e5492c
AKS		 3102 if (adapter->fhash.fnum)
3103 qlcnic_prune_lb_filters(adapter);
3104
af19b491
AKS		 3105reschedule:
3106 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3107}
3108
451724c8
SC		 3109static int qlcnic_is_first_func(struct pci_dev *pdev)
3110{
3111 struct pci_dev *oth_pdev;
3112 int val = pdev->devfn;
3113
3114 while (val-- > 0) {
3115 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3116 (pdev->bus), pdev->bus->number,
3117 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3118 if (!oth_pdev)
3119 continue;
451724c8 3120
bfc978fa
AKS		 3121 if (oth_pdev->current_state != PCI_D3cold) {
3122 pci_dev_put(oth_pdev);
451724c8 3123 return 0;
bfc978fa
AKS		 3124 }
3125 pci_dev_put(oth_pdev);
451724c8
SC		 3126 }
3127 return 1;
3128}
3129
3130static int qlcnic_attach_func(struct pci_dev *pdev)
3131{
3132 int err, first_func;
3133 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3134 struct net_device *netdev = adapter->netdev;
3135
3136 pdev->error_state = pci_channel_io_normal;
3137
3138 err = pci_enable_device(pdev);
3139 if (err)
3140 return err;
3141
3142 pci_set_power_state(pdev, PCI_D0);
3143 pci_set_master(pdev);
3144 pci_restore_state(pdev);
3145
3146 first_func = qlcnic_is_first_func(pdev);
3147
3148 if (qlcnic_api_lock(adapter))
3149 return -EINVAL;
3150
79788450 3151 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3152 adapter->need_fw_reset = 1;
3153 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3154 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3155 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3156 QLCDB(adapter, DRV, "Restarting fw\n");
3157 }
3158 qlcnic_api_unlock(adapter);
3159
13159183 3160 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3161 if (err)
3162 return err;
3163
3164 qlcnic_clr_drv_state(adapter);
13159183
SC		 3165 kfree(adapter->msix_entries);
3166 adapter->msix_entries = NULL;
3167 err = qlcnic_setup_intr(adapter, 0);
3168
9a97e705
M		 3169 if (err) {
3170 kfree(adapter->msix_entries);
3171 netdev_err(netdev, "failed to setup interrupt\n");
3172 return err;
3173 }
3174
13159183 3175 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3176 /* register for NIC IDC AEN Events */
3177 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3178 err = qlcnic_83xx_setup_mbx_intr(adapter);
3179 if (err) {
3180 dev_err(&adapter->pdev->dev,
3181 "failed to setup mbx interrupt\n");
3182 qlcnic_clr_all_drv_state(adapter, 1);
3183 clear_bit(__QLCNIC_AER, &adapter->state);
3184 goto done;
3185 }
3186 }
451724c8
SC		 3187
3188 if (netif_running(netdev)) {
3189 err = qlcnic_attach(adapter);
3190 if (err) {
21854f02 3191 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3192 clear_bit(__QLCNIC_AER, &adapter->state);
3193 netif_device_attach(netdev);
3194 return err;
3195 }
3196
3197 err = qlcnic_up(adapter, netdev);
3198 if (err)
3199 goto done;
3200
aec1e845 3201 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3202 }
3203 done:
3204 netif_device_attach(netdev);
3205 return err;
3206}
3207
3208static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3209 pci_channel_state_t state)
3210{
3211 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3212 struct net_device *netdev = adapter->netdev;
3213
3214 if (state == pci_channel_io_perm_failure)
3215 return PCI_ERS_RESULT_DISCONNECT;
3216
3217 if (state == pci_channel_io_normal)
3218 return PCI_ERS_RESULT_RECOVERED;
3219
3220 set_bit(__QLCNIC_AER, &adapter->state);
3221 netif_device_detach(netdev);
3222
3223 cancel_delayed_work_sync(&adapter->fw_work);
3224
3225 if (netif_running(netdev))
3226 qlcnic_down(adapter, netdev);
3227
13159183 3228 if (qlcnic_83xx_check(adapter)) {
13159183 3229 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3230 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3231 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3232 }
3233
451724c8
SC		 3234 qlcnic_detach(adapter);
3235 qlcnic_teardown_intr(adapter);
3236
3237 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3238
3239 pci_save_state(pdev);
3240 pci_disable_device(pdev);
3241
3242 return PCI_ERS_RESULT_NEED_RESET;
3243}
3244
3245static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3246{
3247 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3248 PCI_ERS_RESULT_RECOVERED;
3249}
3250
3251static void qlcnic_io_resume(struct pci_dev *pdev)
3252{
a15ebd37 3253 u32 state;
451724c8
SC		 3254 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3255
3256 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3257 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3258 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3259 &adapter->state))
451724c8
SC		 3260 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3261 FW_POLL_DELAY);
3262}
3263
87eb743b
AC		 3264static int
3265qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3266{
3267 int err;
3268
3269 err = qlcnic_can_start_firmware(adapter);
3270 if (err)
3271 return err;
3272
78f84e1a
AKS		 3273 err = qlcnic_check_npar_opertional(adapter);
3274 if (err)
3275 return err;
3c4b23b1 3276
174240a8
RB		 3277 err = qlcnic_initialize_nic(adapter);
3278 if (err)
3279 return err;
3280
87eb743b
AC		 3281 qlcnic_check_options(adapter);
3282
7373373d
RB		 3283 err = qlcnic_set_eswitch_port_config(adapter);
3284 if (err)
3285 return err;
3286
87eb743b
AC		 3287 adapter->need_fw_reset = 0;
3288
3289 return err;
3290}
3291
6389b76d
MC		 3292int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3293 __u32 val)
f94bc1e7 3294{
6389b76d
MC		 3295 struct net_device *netdev = adapter->netdev;
3296 u8 max_hw = adapter->ahw->max_rx_ques;
319ecf12
SC		 3297 u32 max_allowed;
3298
6389b76d
MC		 3299 if (val > QLC_MAX_SDS_RINGS) {
3300 netdev_err(netdev, "RSS value should not be higher than %u\n",
3301 QLC_MAX_SDS_RINGS);
3302 return -EINVAL;
f94bc1e7
SC		 3303 }
3304
319ecf12
SC		 3305 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3306 num_online_cpus()));
3307 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
6389b76d
MC		 3308 if (!is_power_of_2(val))
3309 netdev_err(netdev, "RSS value should be a power of 2\n");
3310
3311 if (val < 2)
3312 netdev_err(netdev, "RSS value should not be lower than 2\n");
3313
3314 if (val > max_hw)
3315 netdev_err(netdev,
3316 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3317 max_hw);
3318
3319 if (val > num_online_cpus())
3320 netdev_err(netdev,
3321 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3322 num_online_cpus());
3323
3324 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3325
f94bc1e7
SC		 3326 return -EINVAL;
3327 }
3328 return 0;
f94bc1e7
SC		 3329}
3330
319ecf12 3331int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3332{
13159183 3333 int err;
f94bc1e7 3334 struct net_device *netdev = adapter->netdev;
f94bc1e7 3335
319ecf12
SC		 3336 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3337 return -EBUSY;
3338
f94bc1e7
SC		 3339 netif_device_detach(netdev);
3340 if (netif_running(netdev))
3341 __qlcnic_down(adapter, netdev);
13159183 3342
7dd90cf1
SC		 3343 qlcnic_detach(adapter);
3344
7ed3ce48 3345 if (qlcnic_83xx_check(adapter)) {
13159183 3346 qlcnic_83xx_free_mbx_intr(adapter);
7ed3ce48
RB		 3347 qlcnic_83xx_enable_mbx_poll(adapter);
3348 }
13159183 3349
f94bc1e7 3350 qlcnic_teardown_intr(adapter);
319ecf12 3351 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3352 if (err) {
3353 kfree(adapter->msix_entries);
3354 netdev_err(netdev, "failed to setup interrupt\n");
3355 return err;
3356 }
f94bc1e7 3357
13159183 3358 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3359 /* register for NIC IDC AEN Events */
3360 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183 3361 err = qlcnic_83xx_setup_mbx_intr(adapter);
7ed3ce48 3362 qlcnic_83xx_disable_mbx_poll(adapter);
13159183
SC		 3363 if (err) {
3364 dev_err(&adapter->pdev->dev,
3365 "failed to setup mbx interrupt\n");
3366 goto done;
3367 }
f94bc1e7
SC		 3368 }
3369
3370 if (netif_running(netdev)) {
3371 err = qlcnic_attach(adapter);
3372 if (err)
3373 goto done;
3374 err = __qlcnic_up(adapter, netdev);
3375 if (err)
3376 goto done;
3377 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3378 }
319ecf12 3379 err = len;
f94bc1e7
SC		 3380 done:
3381 netif_device_attach(netdev);
3382 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3383 return err;
3384}
3385
af19b491
AKS		 3386#ifdef CONFIG_INET
3387
3388#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3389
af19b491 3390static void
aec1e845
AKS		 3391qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3392 struct net_device *dev, unsigned long event)
af19b491
AKS		 3393{
3394 struct in_device *indev;
af19b491 3395
af19b491
AKS		 3396 indev = in_dev_get(dev);
3397 if (!indev)
3398 return;
3399
3400 for_ifa(indev) {
3401 switch (event) {
3402 case NETDEV_UP:
3403 qlcnic_config_ipaddr(adapter,
3404 ifa->ifa_address, QLCNIC_IP_UP);
3405 break;
3406 case NETDEV_DOWN:
3407 qlcnic_config_ipaddr(adapter,
3408 ifa->ifa_address, QLCNIC_IP_DOWN);
3409 break;
3410 default:
3411 break;
3412 }
3413 } endfor_ifa(indev);
3414
3415 in_dev_put(indev);
af19b491
AKS		 3416}
3417
319ecf12 3418void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3419{
3420 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3421 struct net_device *dev;
3422 u16 vid;
3423
3424 qlcnic_config_indev_addr(adapter, netdev, event);
3425
43c00a75 3426 rcu_read_lock();
b9796a14 3427 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3428 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3429 if (!dev)
3430 continue;
aec1e845
AKS		 3431 qlcnic_config_indev_addr(adapter, dev, event);
3432 }
43c00a75 3433 rcu_read_unlock();
aec1e845
AKS		 3434}
3435
af19b491
AKS		 3436static int qlcnic_netdev_event(struct notifier_block *this,
3437 unsigned long event, void *ptr)
3438{
3439 struct qlcnic_adapter *adapter;
3440 struct net_device *dev = (struct net_device *)ptr;
3441
3442recheck:
3443 if (dev == NULL)
3444 goto done;
3445
3446 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3447 dev = vlan_dev_real_dev(dev);
3448 goto recheck;
3449 }
3450
3451 if (!is_qlcnic_netdev(dev))
3452 goto done;
3453
3454 adapter = netdev_priv(dev);
3455
3456 if (!adapter)
3457 goto done;
3458
8a15ad1f 3459 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3460 goto done;
3461
aec1e845 3462 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3463done:
3464 return NOTIFY_DONE;
3465}
3466
3467static int
3468qlcnic_inetaddr_event(struct notifier_block *this,
3469 unsigned long event, void *ptr)
3470{
3471 struct qlcnic_adapter *adapter;
3472 struct net_device *dev;
3473
3474 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3475
3476 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3477
3478recheck:
aec1e845 3479 if (dev == NULL)
af19b491
AKS		 3480 goto done;
3481
3482 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3483 dev = vlan_dev_real_dev(dev);
3484 goto recheck;
3485 }
3486
3487 if (!is_qlcnic_netdev(dev))
3488 goto done;
3489
3490 adapter = netdev_priv(dev);
3491
251a84c9 3492 if (!adapter)
af19b491
AKS		 3493 goto done;
3494
8a15ad1f 3495 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3496 goto done;
3497
3498 switch (event) {
3499 case NETDEV_UP:
3500 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3501
af19b491
AKS		 3502 break;
3503 case NETDEV_DOWN:
3504 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3505
af19b491
AKS		 3506 break;
3507 default:
3508 break;
3509 }
3510
3511done:
3512 return NOTIFY_DONE;
3513}
3514
3515static struct notifier_block qlcnic_netdev_cb = {
3516 .notifier_call = qlcnic_netdev_event,
3517};
3518
3519static struct notifier_block qlcnic_inetaddr_cb = {
3520 .notifier_call = qlcnic_inetaddr_event,
3521};
3522#else
f8ca2b6f 3523void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3524{ }
3525#endif
fec9dd15 3526static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3527 .error_detected = qlcnic_io_error_detected,
3528 .slot_reset = qlcnic_io_slot_reset,
3529 .resume = qlcnic_io_resume,
3530};
af19b491
AKS		 3531
3532static struct pci_driver qlcnic_driver = {
3533 .name = qlcnic_driver_name,
3534 .id_table = qlcnic_pci_tbl,
3535 .probe = qlcnic_probe,
6bb58bb0 3536 .remove = qlcnic_remove,
af19b491
AKS		 3537#ifdef CONFIG_PM
3538 .suspend = qlcnic_suspend,
3539 .resume = qlcnic_resume,
3540#endif
451724c8 3541 .shutdown = qlcnic_shutdown,
02feda17
RB		 3542 .err_handler = &qlcnic_err_handler,
3543#ifdef CONFIG_QLCNIC_SRIOV
3544 .sriov_configure = qlcnic_pci_sriov_configure,
3545#endif
451724c8 3546
af19b491
AKS		 3547};
3548
3549static int __init qlcnic_init_module(void)
3550{
0cf3a14c 3551 int ret;
af19b491
AKS		 3552
3553 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3554
3555#ifdef CONFIG_INET
3556 register_netdevice_notifier(&qlcnic_netdev_cb);
3557 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3558#endif
3559
0cf3a14c
AKS		 3560 ret = pci_register_driver(&qlcnic_driver);
3561 if (ret) {
3562#ifdef CONFIG_INET
3563 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3564 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3565#endif
3566 }
af19b491 3567
0cf3a14c 3568 return ret;
af19b491
AKS		 3569}
3570
3571module_init(qlcnic_init_module);
3572
3573static void __exit qlcnic_exit_module(void)
3574{
af19b491
AKS		 3575 pci_unregister_driver(&qlcnic_driver);
3576
3577#ifdef CONFIG_INET
3578 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3579 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3580#endif
3581}
3582
3583module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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