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