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qlcnic: Fix loopback test for SR-IOV PF.
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129 2 * QLogic qlcnic NIC Driver
577ae39d 3 * Copyright (c) 2009-2013 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include <linux/vmalloc.h>
9#include <linux/interrupt.h>
10
11#include "qlcnic.h"
02feda17 12#include "qlcnic_sriov.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
13159183 17#include <linux/if_vlan.h>
af19b491
AKS		 18#include <net/ip.h>
19#include <linux/ipv6.h>
20#include <linux/inetdevice.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
47caf255 23#include <linux/pci.h>
af19b491 24
7f9a0c34 25MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 26MODULE_LICENSE("GPL");
27MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29
30char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 31static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 33
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
fe1adc6b
JK		 36MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
b5e5492c 38
629263ac 39int qlcnic_use_msi = 1;
af19b491 40MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
099f7aa7 41module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 42
629263ac 43int qlcnic_use_msi_x = 1;
af19b491 44MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
099f7aa7 45module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 46
629263ac 47int qlcnic_auto_fw_reset = 1;
af19b491 48MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
099f7aa7 49module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 50
629263ac 51int qlcnic_load_fw_file;
4d5bdb38 52MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 53module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 54
629263ac 55int qlcnic_config_npars;
b11a25aa 56module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 57MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
58
1dd06ae8 59static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 60static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 61static int qlcnic_open(struct net_device *netdev);
62static int qlcnic_close(struct net_device *netdev);
af19b491 63static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 64static void qlcnic_attach_work(struct work_struct *work);
65static void qlcnic_fwinit_work(struct work_struct *work);
66static void qlcnic_fw_poll_work(struct work_struct *work);
af19b491
AKS		 67#ifdef CONFIG_NET_POLL_CONTROLLER
68static void qlcnic_poll_controller(struct net_device *netdev);
69#endif
70
6df900e9 71static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 72static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 73static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
74
7eb9855d 75static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 76static irqreturn_t qlcnic_intr(int irq, void *data);
77static irqreturn_t qlcnic_msi_intr(int irq, void *data);
78static irqreturn_t qlcnic_msix_intr(int irq, void *data);
13159183 79static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
af19b491
AKS		 80
81static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
9f26f547
AC		 82static int qlcnic_start_firmware(struct qlcnic_adapter *);
83
b5e5492c 84static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 85static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 86static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 87static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
88 struct qlcnic_esw_func_cfg *);
80d5c368
PM		 89static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
90static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
b9796a14 91
bff57d8e
SC		 92#define QLCNIC_IS_TSO_CAPABLE(adapter) \
93 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
94
13159183
SC		 95static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
96{
97 struct qlcnic_hardware_context *ahw = adapter->ahw;
98
99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
101 else
102 return 1;
103}
104
af19b491
AKS		 105/* PCI Device ID Table */
106#define ENTRY(device) \
107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
109
6a902881 110static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
13159183 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
f8468331 113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
af19b491
AKS		 114 {0,}
115};
116
117MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
118
119
5ad6ff9d 120inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 121{
122 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 123}
124
125static const u32 msi_tgt_status[8] = {
126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
130};
131
7e2cf4fe
SC		 132static const u32 qlcnic_reg_tbl[] = {
133 0x1B20A8, /* PEG_HALT_STAT1 */
134 0x1B20AC, /* PEG_HALT_STAT2 */
135 0x1B20B0, /* FW_HEARTBEAT */
136 0x1B2100, /* LOCK ID */
137 0x1B2128, /* FW_CAPABILITIES */
138 0x1B2138, /* drv active */
139 0x1B2140, /* dev state */
140 0x1B2144, /* drv state */
141 0x1B2148, /* drv scratch */
142 0x1B214C, /* dev partition info */
143 0x1B2174, /* drv idc ver */
144 0x1B2150, /* fw version major */
145 0x1B2154, /* fw version minor */
146 0x1B2158, /* fw version sub */
147 0x1B219C, /* npar state */
148 0x1B21FC, /* FW_IMG_VALID */
149 0x1B2250, /* CMD_PEG_STATE */
150 0x1B233C, /* RCV_PEG_STATE */
151 0x1B23B4, /* ASIC TEMP */
152 0x1B216C, /* FW api */
153 0x1B2170, /* drv op mode */
154 0x13C010, /* flash lock */
155 0x13C014, /* flash unlock */
156};
157
22999798
SC		 158static const struct qlcnic_board_info qlcnic_boards[] = {
159 {0x1077, 0x8020, 0x1077, 0x203,
160 "8200 Series Single Port 10GbE Converged Network Adapter"
161 "(TCP/IP Networking)"},
162 {0x1077, 0x8020, 0x1077, 0x207,
163 "8200 Series Dual Port 10GbE Converged Network Adapter"
164 "(TCP/IP Networking)"},
165 {0x1077, 0x8020, 0x1077, 0x20b,
166 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
167 {0x1077, 0x8020, 0x1077, 0x20c,
168 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
169 {0x1077, 0x8020, 0x1077, 0x20f,
170 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
171 {0x1077, 0x8020, 0x103c, 0x3733,
172 "NC523SFP 10Gb 2-port Server Adapter"},
173 {0x1077, 0x8020, 0x103c, 0x3346,
174 "CN1000Q Dual Port Converged Network Adapter"},
175 {0x1077, 0x8020, 0x1077, 0x210,
176 "QME8242-k 10GbE Dual Port Mezzanine Card"},
177 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
178};
179
180#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
319ecf12 181#define QLC_MAX_SDS_RINGS 8
22999798 182
af19b491
AKS		 183static const
184struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
185
c70001a9 186int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 187{
188 int size = sizeof(struct qlcnic_host_sds_ring) * count;
189
190 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
191
807540ba 192 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 193}
194
c70001a9 195void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 196{
197 if (recv_ctx->sds_rings != NULL)
198 kfree(recv_ctx->sds_rings);
199
200 recv_ctx->sds_rings = NULL;
201}
202
f8468331 203int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
af19b491 204{
2e9d722d 205 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 206 struct net_device *netdev = adapter->netdev;
207 struct pci_dev *pdev = adapter->pdev;
208
da48e6c3 209 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 210 return -EIO;
211
2e9d722d 212 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 213 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
214
215 /* set station address */
216
aaeb6cdf 217 if (!is_valid_ether_addr(netdev->dev_addr))
af19b491
AKS		 218 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
219 netdev->dev_addr);
220
221 return 0;
222}
223
224static int qlcnic_set_mac(struct net_device *netdev, void *p)
225{
226 struct qlcnic_adapter *adapter = netdev_priv(netdev);
227 struct sockaddr *addr = p;
228
7cb03b23
RB		 229 if (qlcnic_sriov_vf_check(adapter))
230 return -EINVAL;
231
7373373d
RB		 232 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
233 return -EOPNOTSUPP;
234
af19b491 235 if (!is_valid_ether_addr(addr->sa_data))
13159183 236 return -EINVAL;
af19b491 237
8a15ad1f 238 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 239 netif_device_detach(netdev);
240 qlcnic_napi_disable(adapter);
241 }
242
243 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
244 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
245 qlcnic_set_multi(adapter->netdev);
246
8a15ad1f 247 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 248 netif_device_attach(netdev);
249 qlcnic_napi_enable(adapter);
250 }
251 return 0;
252}
253
1690be63
VY		 254static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
255 struct net_device *netdev, const unsigned char *addr)
fe1adc6b
JK		 256{
257 struct qlcnic_adapter *adapter = netdev_priv(netdev);
258 int err = -EOPNOTSUPP;
259
3e5c112f
VY		 260 if (!adapter->fdb_mac_learn)
261 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
fe1adc6b
JK		 262
263 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
264 if (is_unicast_ether_addr(addr))
265 err = qlcnic_nic_del_mac(adapter, addr);
266 else if (is_multicast_ether_addr(addr))
267 err = dev_mc_del(netdev, addr);
268 else
269 err = -EINVAL;
270 }
271 return err;
272}
273
274static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
275 struct net_device *netdev,
276 const unsigned char *addr, u16 flags)
277{
278 struct qlcnic_adapter *adapter = netdev_priv(netdev);
279 int err = 0;
280
3e5c112f
VY		 281 if (!adapter->fdb_mac_learn)
282 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
fe1adc6b
JK		 283
284 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
285 pr_info("%s: FDB e-switch is not enabled\n", __func__);
286 return -EOPNOTSUPP;
287 }
288
289 if (ether_addr_equal(addr, adapter->mac_addr))
290 return err;
291
292 if (is_unicast_ether_addr(addr))
91b7282b 293 err = qlcnic_nic_add_mac(adapter, addr, 0);
fe1adc6b
JK		 294 else if (is_multicast_ether_addr(addr))
295 err = dev_mc_add_excl(netdev, addr);
296 else
297 err = -EINVAL;
298
299 return err;
300}
301
302static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
303 struct net_device *netdev, int idx)
304{
305 struct qlcnic_adapter *adapter = netdev_priv(netdev);
306
3e5c112f
VY		 307 if (!adapter->fdb_mac_learn)
308 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
fe1adc6b
JK		 309
310 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
311 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
312
313 return idx;
314}
315
7e2cf4fe
SC		 316static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
317{
318 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
319 usleep_range(10000, 11000);
320
321 cancel_delayed_work_sync(&adapter->fw_work);
322}
323
af19b491
AKS		 324static const struct net_device_ops qlcnic_netdev_ops = {
325 .ndo_open = qlcnic_open,
326 .ndo_stop = qlcnic_close,
327 .ndo_start_xmit = qlcnic_xmit_frame,
328 .ndo_get_stats = qlcnic_get_stats,
329 .ndo_validate_addr = eth_validate_addr,
afc4b13d 330 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 331 .ndo_set_mac_address = qlcnic_set_mac,
332 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 333 .ndo_fix_features = qlcnic_fix_features,
334 .ndo_set_features = qlcnic_set_features,
af19b491 335 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 336 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
337 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
fe1adc6b
JK		 338 .ndo_fdb_add = qlcnic_fdb_add,
339 .ndo_fdb_del = qlcnic_fdb_del,
340 .ndo_fdb_dump = qlcnic_fdb_dump,
af19b491
AKS		 341#ifdef CONFIG_NET_POLL_CONTROLLER
342 .ndo_poll_controller = qlcnic_poll_controller,
343#endif
4000e7a7
RB		 344#ifdef CONFIG_QLCNIC_SRIOV
345 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
346 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
347 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
91b7282b 348 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
4000e7a7 349#endif
af19b491
AKS		 350};
351
b43e5ee7
SC		 352static const struct net_device_ops qlcnic_netdev_failed_ops = {
353 .ndo_open = qlcnic_open,
354};
355
2e9d722d 356static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 357 .config_bridged_mode = qlcnic_config_bridged_mode,
358 .config_led = qlcnic_82xx_config_led,
359 .start_firmware = qlcnic_82xx_start_firmware,
360 .request_reset = qlcnic_82xx_dev_request_reset,
361 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
362 .napi_add = qlcnic_82xx_napi_add,
4be41e92 363 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 364 .config_ipaddr = qlcnic_82xx_config_ipaddr,
365 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
366};
367
368struct qlcnic_nic_template qlcnic_vf_ops = {
369 .config_bridged_mode = qlcnicvf_config_bridged_mode,
370 .config_led = qlcnicvf_config_led,
371 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 372};
373
7e2cf4fe
SC		 374static struct qlcnic_hardware_ops qlcnic_hw_ops = {
375 .read_crb = qlcnic_82xx_read_crb,
376 .write_crb = qlcnic_82xx_write_crb,
377 .read_reg = qlcnic_82xx_hw_read_wx_2M,
378 .write_reg = qlcnic_82xx_hw_write_wx_2M,
379 .get_mac_address = qlcnic_82xx_get_mac_address,
380 .setup_intr = qlcnic_82xx_setup_intr,
381 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
382 .mbx_cmd = qlcnic_82xx_issue_cmd,
383 .get_func_no = qlcnic_82xx_get_func_no,
384 .api_lock = qlcnic_82xx_api_lock,
385 .api_unlock = qlcnic_82xx_api_unlock,
386 .add_sysfs = qlcnic_82xx_add_sysfs,
387 .remove_sysfs = qlcnic_82xx_remove_sysfs,
388 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
389 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
390 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
7cb03b23
RB		 391 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
392 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
7e2cf4fe
SC		 393 .setup_link_event = qlcnic_82xx_linkevent_request,
394 .get_nic_info = qlcnic_82xx_get_nic_info,
395 .get_pci_info = qlcnic_82xx_get_pci_info,
396 .set_nic_info = qlcnic_82xx_set_nic_info,
397 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
398 .napi_enable = qlcnic_82xx_napi_enable,
399 .napi_disable = qlcnic_82xx_napi_disable,
400 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
401 .config_rss = qlcnic_82xx_config_rss,
402 .config_hw_lro = qlcnic_82xx_config_hw_lro,
403 .config_loopback = qlcnic_82xx_set_lb_mode,
404 .clear_loopback = qlcnic_82xx_clear_lb_mode,
405 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
406 .change_l2_filter = qlcnic_82xx_change_filter,
407 .get_board_info = qlcnic_82xx_get_board_info,
91b7282b 408 .free_mac_list = qlcnic_82xx_free_mac_list,
2e9d722d
AC		 409};
410
7f966452 411int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 412{
af19b491 413 struct pci_dev *pdev = adapter->pdev;
13159183 414 int err = -1, i;
da6c8063
RB		 415 int max_tx_rings, tx_vector;
416
417 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
418 max_tx_rings = 0;
419 tx_vector = 0;
420 } else {
421 max_tx_rings = adapter->max_drv_tx_rings;
422 tx_vector = 1;
423 }
13159183
SC		 424
425 if (!adapter->msix_entries) {
426 adapter->msix_entries = kcalloc(num_msix,
427 sizeof(struct msix_entry),
428 GFP_KERNEL);
b2adaca9 429 if (!adapter->msix_entries)
13159183 430 return -ENOMEM;
13159183 431 }
af19b491
AKS		 432
433 adapter->max_sds_rings = 1;
af19b491 434 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491 435
79788450 436 if (adapter->ahw->msix_supported) {
f94bc1e7 437 enable_msix:
13159183
SC		 438 for (i = 0; i < num_msix; i++)
439 adapter->msix_entries[i].entry = i;
af19b491
AKS		 440 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
441 if (err == 0) {
442 adapter->flags |= QLCNIC_MSIX_ENABLED;
13159183
SC		 443 if (qlcnic_83xx_check(adapter)) {
444 adapter->ahw->num_msix = num_msix;
445 /* subtract mail box and tx ring vectors */
13159183
SC		 446 adapter->max_sds_rings = num_msix -
447 max_tx_rings - 1;
448 } else {
449 adapter->max_sds_rings = num_msix;
450 }
af19b491 451 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 452 return err;
13159183
SC		 453 } else if (err > 0) {
454 dev_info(&pdev->dev,
455 "Unable to allocate %d MSI-X interrupt vectors\n",
456 num_msix);
457 if (qlcnic_83xx_check(adapter)) {
da6c8063 458 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
13159183 459 return err;
da6c8063 460 err -= (max_tx_rings + 1);
13159183 461 num_msix = rounddown_pow_of_two(err);
da6c8063 462 num_msix += (max_tx_rings + 1);
13159183
SC		 463 } else {
464 num_msix = rounddown_pow_of_two(err);
465 }
466
467 if (num_msix) {
468 dev_info(&pdev->dev,
dce056cb 469 "Trying to allocate %d MSI-X interrupt vectors\n",
13159183 470 num_msix);
f94bc1e7 471 goto enable_msix;
13159183
SC		 472 }
473 } else {
dce056cb
MC		 474 dev_info(&pdev->dev,
475 "Unable to allocate %d MSI-X interrupt vectors\n",
13159183 476 num_msix);
f94bc1e7
SC		 477 }
478 }
13159183 479
f94bc1e7
SC		 480 return err;
481}
af19b491 482
9a97e705 483static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
f94bc1e7 484{
9a97e705 485 int err = 0;
15087c2b 486 u32 offset, mask_reg;
f94bc1e7 487 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 488 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 489 struct pci_dev *pdev = adapter->pdev;
af19b491 490
099f7aa7 491 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 492 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 493 offset = msi_tgt_status[adapter->ahw->pci_func];
494 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
495 offset);
af19b491
AKS		 496 dev_info(&pdev->dev, "using msi interrupts\n");
497 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 498 return err;
af19b491 499 }
9a97e705
M		 500 if (qlcnic_use_msi || qlcnic_use_msi_x)
501 return -EOPNOTSUPP;
af19b491 502
f94bc1e7 503 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 504 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 505 offset = legacy_intrp->tgt_status_reg;
506 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
507 mask_reg = legacy_intrp->tgt_mask_reg;
508 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
509 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
510 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 511 dev_info(&pdev->dev, "using legacy interrupts\n");
512 adapter->msix_entries[0].vector = pdev->irq;
9a97e705 513 return err;
af19b491
AKS		 514}
515
7e2cf4fe 516int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 517{
9a97e705 518 int num_msix, err = 0;
f94bc1e7 519
7e2cf4fe
SC		 520 if (!num_intr)
521 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
522
523 if (adapter->ahw->msix_supported)
5f6ec29a 524 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 525 num_intr));
526 else
f94bc1e7
SC		 527 num_msix = 1;
528
7e2cf4fe
SC		 529 err = qlcnic_enable_msix(adapter, num_msix);
530 if (err == -ENOMEM || !err)
531 return err;
f94bc1e7 532
9a97e705
M		 533 err = qlcnic_enable_msi_legacy(adapter);
534 if (!err)
535 return err;
536
537 return -EIO;
f94bc1e7 538}
13159183 539
319ecf12 540void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
af19b491
AKS		 541{
542 if (adapter->flags & QLCNIC_MSIX_ENABLED)
543 pci_disable_msix(adapter->pdev);
544 if (adapter->flags & QLCNIC_MSI_ENABLED)
545 pci_disable_msi(adapter->pdev);
13159183
SC		 546
547 kfree(adapter->msix_entries);
548 adapter->msix_entries = NULL;
549
550 if (adapter->ahw->intr_tbl) {
551 vfree(adapter->ahw->intr_tbl);
552 adapter->ahw->intr_tbl = NULL;
553 }
af19b491
AKS		 554}
555
f1a094a8 556static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
af19b491 557{
f1a094a8
RB		 558 if (ahw->pci_base0 != NULL)
559 iounmap(ahw->pci_base0);
af19b491
AKS		 560}
561
7e2cf4fe
SC		 562static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
563{
564 struct qlcnic_pci_info *pci_info;
565 int ret;
566
567 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
568 switch (adapter->ahw->port_type) {
569 case QLCNIC_GBE:
570 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
571 break;
572 case QLCNIC_XGBE:
573 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
574 break;
575 }
576 return 0;
577 }
578
579 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
580 return 0;
581
582 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
583 if (!pci_info)
584 return -ENOMEM;
585
586 ret = qlcnic_get_pci_info(adapter, pci_info);
587 kfree(pci_info);
588 return ret;
589}
d71170fb
SC		 590
591int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 592{
e88db3bd 593 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 594 int i, ret = 0, j = 0;
595 u16 act_pci_func;
346fe763
RB		 596 u8 pfn;
597
e88db3bd
DC		 598 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
599 if (!pci_info)
600 return -ENOMEM;
601
bff57d8e
SC		 602 ret = qlcnic_get_pci_info(adapter, pci_info);
603 if (ret)
604 goto err_pci_info;
605
606 act_pci_func = adapter->ahw->act_pci_func;
607
ca315ac2 608 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 609 act_pci_func, GFP_KERNEL);
e88db3bd 610 if (!adapter->npars) {
900853a4 611 ret = -ENOMEM;
e88db3bd
DC		 612 goto err_pci_info;
613 }
346fe763 614
ca315ac2 615 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 616 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
617 if (!adapter->eswitch) {
900853a4 618 ret = -ENOMEM;
ca315ac2 619 goto err_npars;
346fe763
RB		 620 }
621
ca315ac2
DC		 622 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
623 pfn = pci_info[i].id;
bff57d8e 624
0f6efff9 625 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 626 ret = QL_STATUS_INVALID_PARAM;
627 goto err_eswitch;
628 }
bff57d8e
SC		 629
630 if (!pci_info[i].active ||
631 (pci_info[i].type != QLCNIC_TYPE_NIC))
632 continue;
633
634 adapter->npars[j].pci_func = pfn;
635 adapter->npars[j].active = (u8)pci_info[i].active;
636 adapter->npars[j].type = (u8)pci_info[i].type;
637 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
638 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
639 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
640 j++;
346fe763
RB		 641 }
642
13159183 643 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
ca315ac2 644 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
13159183
SC		 645 if (qlcnic_83xx_check(adapter))
646 qlcnic_enable_eswitch(adapter, i, 1);
647 }
ca315ac2 648
e88db3bd 649 kfree(pci_info);
ca315ac2
DC		 650 return 0;
651
652err_eswitch:
346fe763
RB		 653 kfree(adapter->eswitch);
654 adapter->eswitch = NULL;
ca315ac2 655err_npars:
346fe763 656 kfree(adapter->npars);
ca315ac2 657 adapter->npars = NULL;
e88db3bd
DC		 658err_pci_info:
659 kfree(pci_info);
346fe763
RB		 660
661 return ret;
662}
663
2e9d722d
AC		 664static int
665qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
666{
667 u8 id;
2e9d722d
AC		 668 int i, ret = 1;
669 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 670 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 671
2e9d722d
AC		 672 ret = qlcnic_api_lock(adapter);
673 if (ret)
674 goto err_lock;
2e9d722d 675
0e33c664 676 if (qlcnic_config_npars) {
bff57d8e
SC		 677 for (i = 0; i < ahw->act_pci_func; i++) {
678 id = adapter->npars[i].pci_func;
679 if (id == ahw->pci_func)
0e33c664
AC		 680 continue;
681 data |= (qlcnic_config_npars &
682 QLC_DEV_SET_DRV(0xf, id));
683 }
684 } else {
a15ebd37 685 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 686 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 687 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 688 ahw->pci_func));
2e9d722d 689 }
a15ebd37 690 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 691 qlcnic_api_unlock(adapter);
692err_lock:
693 return ret;
694}
695
13159183
SC		 696static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
697 const struct pci_device_id *ent)
2e9d722d 698{
2e9d722d
AC		 699 u32 op_mode, priv_level;
700
701 /* Determine FW API version */
13159183
SC		 702 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
703 QLCNIC_FW_API);
2e9d722d
AC		 704
705 /* Find PCI function number */
13159183 706 qlcnic_get_func_no(adapter);
2e9d722d
AC		 707
708 /* Determine function privilege level */
13159183 709 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
0e33c664 710 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 711 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 712 else
b1fc6d3c 713 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 714
0866d96d 715 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 716 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 717 dev_info(&adapter->pdev->dev,
718 "HAL Version: %d Non Privileged function\n",
79788450 719 adapter->ahw->fw_hal_version);
9f26f547 720 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 721 } else
722 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 723}
724
15087c2b 725#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
13159183 726#define QLCNIC_83XX_BAR0_LENGTH 0x4000
15087c2b
SC		 727static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
728{
729 switch (dev_id) {
730 case PCI_DEVICE_ID_QLOGIC_QLE824X:
731 *bar = QLCNIC_82XX_BAR0_LENGTH;
732 break;
13159183 733 case PCI_DEVICE_ID_QLOGIC_QLE834X:
f8468331 734 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
13159183
SC		 735 *bar = QLCNIC_83XX_BAR0_LENGTH;
736 break;
15087c2b
SC		 737 default:
738 *bar = 0;
739 }
740}
741
742static int qlcnic_setup_pci_map(struct pci_dev *pdev,
743 struct qlcnic_hardware_context *ahw)
af19b491 744{
15087c2b 745 u32 offset;
af19b491 746 void __iomem *mem_ptr0 = NULL;
15087c2b 747 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 748
af19b491 749 /* remap phys address */
af19b491
AKS		 750 mem_len = pci_resource_len(pdev, 0);
751
15087c2b
SC		 752 qlcnic_get_bar_length(pdev->device, &bar0_len);
753 if (mem_len >= bar0_len) {
af19b491
AKS		 754
755 mem_ptr0 = pci_ioremap_bar(pdev, 0);
756 if (mem_ptr0 == NULL) {
757 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
758 return -EIO;
759 }
760 pci_len0 = mem_len;
761 } else {
762 return -EIO;
763 }
764
f8468331 765 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
7e2cf4fe 766
15087c2b
SC		 767 ahw->pci_base0 = mem_ptr0;
768 ahw->pci_len0 = pci_len0;
769 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
770 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 771
772 return 0;
773}
774
22999798 775static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 776{
777 struct pci_dev *pdev = adapter->pdev;
778 int i, found = 0;
779
780 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
781 if (qlcnic_boards[i].vendor == pdev->vendor &&
782 qlcnic_boards[i].device == pdev->device &&
783 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
784 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 785 sprintf(name, "%pM: %s" ,
786 adapter->mac_addr,
787 qlcnic_boards[i].short_name);
af19b491
AKS		 788 found = 1;
789 break;
790 }
791
792 }
793
794 if (!found)
7f9a0c34 795 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 796}
797
798static void
799qlcnic_check_options(struct qlcnic_adapter *adapter)
800{
a15ebd37 801 int err;
031a4a26 802 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 803 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 804 struct qlcnic_hardware_context *ahw = adapter->ahw;
805 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 806
807 prev_fw_version = adapter->fw_version;
af19b491 808
a15ebd37
HM		 809 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
810 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
811 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 812
813 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
814
a15ebd37
HM		 815 err = qlcnic_get_board_info(adapter);
816 if (err) {
817 dev_err(&pdev->dev, "Error getting board config info.\n");
818 return;
819 }
820 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 821 if (fw_dump->tmpl_hdr == NULL ||
822 adapter->fw_version > prev_fw_version) {
823 if (fw_dump->tmpl_hdr)
824 vfree(fw_dump->tmpl_hdr);
825 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
826 dev_info(&pdev->dev,
827 "Supports FW dump capability\n");
828 }
829 }
830
13159183
SC		 831 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
832 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
833
b1fc6d3c 834 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 835 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
836 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
837 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
838 } else {
839 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
840 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
841 }
842
af19b491 843 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 844 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
845
b1fc6d3c 846 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 847 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
848 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 849 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
850 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 851 }
852
099f7aa7 853 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 854
855 adapter->num_txd = MAX_CMD_DESCRIPTORS;
856
251b036a 857 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 858}
859
174240a8
RB		 860static int
861qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
862{
863 int err;
864 struct qlcnic_info nic_info;
865
bff57d8e 866 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 867 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 868 if (err)
869 return err;
870
79788450
SC		 871 adapter->ahw->physical_port = (u8)nic_info.phys_port;
872 adapter->ahw->switch_mode = nic_info.switch_mode;
873 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
874 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
875 adapter->ahw->capabilities = nic_info.capabilities;
776e7bde
SS		 876
877 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
878 u32 temp;
879 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
880 adapter->ahw->capabilities2 = temp;
881 }
79788450
SC		 882 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
883 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 884
13159183
SC		 885 /* Disable NPAR for 83XX */
886 if (qlcnic_83xx_check(adapter))
887 return err;
888
79788450 889 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 890 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
891 else
892 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
893
894 return err;
895}
896
ec079a07
SC		 897void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
898 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 899{
900 if (esw_cfg->discard_tagged)
901 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
902 else
903 adapter->flags |= QLCNIC_TAGGING_ENABLED;
904
91b7282b
RB		 905 if (esw_cfg->vlan_id) {
906 adapter->rx_pvid = esw_cfg->vlan_id;
907 adapter->tx_pvid = esw_cfg->vlan_id;
908 } else {
909 adapter->rx_pvid = 0;
910 adapter->tx_pvid = 0;
911 }
8cf61f89
AKS		 912}
913
8e586137 914static int
80d5c368 915qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 916{
917 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 918 int err;
919
920 if (qlcnic_sriov_vf_check(adapter)) {
921 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
922 if (err) {
923 netdev_err(netdev,
924 "Cannot add VLAN filter for VLAN id %d, err=%d",
925 vid, err);
926 return err;
927 }
928 }
929
b9796a14 930 set_bit(vid, adapter->vlans);
8e586137 931 return 0;
b9796a14
AC		 932}
933
8e586137 934static int
80d5c368 935qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
b9796a14
AC		 936{
937 struct qlcnic_adapter *adapter = netdev_priv(netdev);
91b7282b
RB		 938 int err;
939
940 if (qlcnic_sriov_vf_check(adapter)) {
941 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
942 if (err) {
943 netdev_err(netdev,
944 "Cannot delete VLAN filter for VLAN id %d, err=%d",
945 vid, err);
946 return err;
947 }
948 }
b9796a14
AC		 949
950 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
951 clear_bit(vid, adapter->vlans);
8e586137 952 return 0;
b9796a14
AC		 953}
954
ec079a07
SC		 955void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
956 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 957{
ee07c1a7
RB		 958 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
959 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 960
961 if (esw_cfg->mac_anti_spoof)
962 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 963
7373373d
RB		 964 if (!esw_cfg->mac_override)
965 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
966
ee07c1a7
RB		 967 if (!esw_cfg->promisc_mode)
968 adapter->flags |= QLCNIC_PROMISC_DISABLED;
969
0325d69b
RB		 970 qlcnic_set_netdev_features(adapter, esw_cfg);
971}
972
d71170fb 973int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 974{
975 struct qlcnic_esw_func_cfg esw_cfg;
976
977 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
978 return 0;
979
b1fc6d3c 980 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 981 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
982 return -EIO;
8cf61f89 983 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 984 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
985
986 return 0;
987}
988
989static void
990qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
991 struct qlcnic_esw_func_cfg *esw_cfg)
992{
993 struct net_device *netdev = adapter->netdev;
13159183
SC		 994 unsigned long features, vlan_features;
995
996 if (qlcnic_83xx_check(adapter))
997 return;
0325d69b 998
7e38d04b
SC		 999 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1000 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
0325d69b 1001 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
13159183 1002 NETIF_F_IPV6_CSUM);
0325d69b 1003
13159183 1004 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
0325d69b
RB		 1005 features |= (NETIF_F_TSO | NETIF_F_TSO6);
1006 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1007 }
b56421d0
RB		 1008
1009 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 1010 features |= NETIF_F_LRO;
1011
1012 if (esw_cfg->offload_flags & BIT_0) {
1013 netdev->features |= features;
13159183 1014 adapter->rx_csum = 1;
7e38d04b 1015 if (!(esw_cfg->offload_flags & BIT_1)) {
0325d69b 1016 netdev->features &= ~NETIF_F_TSO;
7e38d04b
SC		 1017 features &= ~NETIF_F_TSO;
1018 }
1019 if (!(esw_cfg->offload_flags & BIT_2)) {
0325d69b 1020 netdev->features &= ~NETIF_F_TSO6;
7e38d04b
SC		 1021 features &= ~NETIF_F_TSO6;
1022 }
0325d69b
RB		 1023 } else {
1024 netdev->features &= ~features;
7e38d04b 1025 features &= ~features;
13159183 1026 adapter->rx_csum = 0;
0325d69b
RB		 1027 }
1028
1029 netdev->vlan_features = (features & vlan_features);
1030}
1031
0866d96d
AC		 1032static int
1033qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1034{
0866d96d
AC		 1035 u32 op_mode, priv_level;
1036 int err = 0;
1037
174240a8
RB		 1038 err = qlcnic_initialize_nic(adapter);
1039 if (err)
1040 return err;
1041
0866d96d
AC		 1042 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1043 return 0;
1044
13159183 1045 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
b1fc6d3c 1046 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 1047
1048 if (op_mode == QLC_DEV_DRV_DEFAULT)
1049 priv_level = QLCNIC_MGMT_FUNC;
1050 else
b1fc6d3c 1051 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 1052
174240a8 1053 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 1054 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 1055 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 1056 err = qlcnic_init_pci_info(adapter);
1057 if (err)
1058 return err;
1059 /* Set privilege level for other functions */
1060 qlcnic_set_function_modes(adapter);
1061 dev_info(&adapter->pdev->dev,
1062 "HAL Version: %d, Management function\n",
79788450 1063 adapter->ahw->fw_hal_version);
0866d96d 1064 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 1065 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 1066 dev_info(&adapter->pdev->dev,
1067 "HAL Version: %d, Privileged function\n",
79788450 1068 adapter->ahw->fw_hal_version);
0866d96d 1069 }
174240a8 1070 }
0866d96d
AC		 1071
1072 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1073
1074 return err;
1075}
1076
d71170fb 1077int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 1078{
1079 struct qlcnic_esw_func_cfg esw_cfg;
1080 struct qlcnic_npar_info *npar;
1081 u8 i;
1082
174240a8 1083 if (adapter->need_fw_reset)
0325d69b
RB		 1084 return 0;
1085
bff57d8e 1086 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 1087 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 1088 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 1089 esw_cfg.mac_override = BIT_0;
ee07c1a7 1090 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 1091 if (qlcnic_82xx_check(adapter)) {
1092 esw_cfg.offload_flags = BIT_0;
1093 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1094 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1095 }
0325d69b
RB		 1096 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1097 return -EIO;
1098 npar = &adapter->npars[i];
1099 npar->pvid = esw_cfg.vlan_id;
7373373d 1100 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 1101 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1102 npar->discard_tagged = esw_cfg.discard_tagged;
1103 npar->promisc_mode = esw_cfg.promisc_mode;
1104 npar->offload_flags = esw_cfg.offload_flags;
1105 }
1106
1107 return 0;
1108}
1109
13159183 1110
4e8acb01
RB		 1111static int
1112qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1113 struct qlcnic_npar_info *npar, int pci_func)
1114{
1115 struct qlcnic_esw_func_cfg esw_cfg;
1116 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1117 esw_cfg.pci_func = pci_func;
1118 esw_cfg.vlan_id = npar->pvid;
7373373d 1119 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 1120 esw_cfg.discard_tagged = npar->discard_tagged;
1121 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1122 esw_cfg.offload_flags = npar->offload_flags;
1123 esw_cfg.promisc_mode = npar->promisc_mode;
1124 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1125 return -EIO;
1126
1127 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1128 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1129 return -EIO;
1130
1131 return 0;
1132}
1133
d71170fb 1134int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 1135{
4e8acb01 1136 int i, err;
cea8975e
AC		 1137 struct qlcnic_npar_info *npar;
1138 struct qlcnic_info nic_info;
bff57d8e 1139 u8 pci_func;
cea8975e 1140
bff57d8e
SC		 1141 if (qlcnic_82xx_check(adapter))
1142 if (!adapter->need_fw_reset)
1143 return 0;
cea8975e 1144
4e8acb01 1145 /* Set the NPAR config data after FW reset */
bff57d8e 1146 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 1147 npar = &adapter->npars[i];
bff57d8e
SC		 1148 pci_func = npar->pci_func;
1149 memset(&nic_info, 0, sizeof(struct qlcnic_info));
13159183 1150 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4e8acb01
RB		 1151 if (err)
1152 return err;
1153 nic_info.min_tx_bw = npar->min_bw;
1154 nic_info.max_tx_bw = npar->max_bw;
1155 err = qlcnic_set_nic_info(adapter, &nic_info);
1156 if (err)
1157 return err;
cea8975e 1158
4e8acb01
RB		 1159 if (npar->enable_pm) {
1160 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1161 npar->dest_npar, 1,
1162 pci_func);
4e8acb01
RB		 1163 if (err)
1164 return err;
cea8975e 1165 }
bff57d8e 1166 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1167 if (err)
1168 return err;
cea8975e 1169 }
4e8acb01 1170 return 0;
cea8975e
AC		 1171}
1172
78f84e1a
AKS		 1173static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1174{
1175 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1176 u32 npar_state;
1177
79788450 1178 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1179 return 0;
1180
a15ebd37
HM		 1181 npar_state = QLC_SHARED_REG_RD32(adapter,
1182 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1183 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1184 msleep(1000);
a15ebd37
HM		 1185 npar_state = QLC_SHARED_REG_RD32(adapter,
1186 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1187 }
1188 if (!npar_opt_timeo) {
1189 dev_err(&adapter->pdev->dev,
8a168ca7 1190 "Waiting for NPAR state to operational timeout\n");
78f84e1a
AKS		 1191 return -EIO;
1192 }
1193 return 0;
1194}
1195
174240a8
RB		 1196static int
1197qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1198{
1199 int err;
1200
1201 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1202 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1203 return 0;
1204
1205 err = qlcnic_set_default_offload_settings(adapter);
1206 if (err)
1207 return err;
1208
1209 err = qlcnic_reset_npar_config(adapter);
1210 if (err)
1211 return err;
1212
1213 qlcnic_dev_set_npar_ready(adapter);
1214
1215 return err;
1216}
1217
7e2cf4fe 1218int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1219{
d4066833 1220 int err;
af19b491 1221
aa5e18c0
SC		 1222 err = qlcnic_can_start_firmware(adapter);
1223 if (err < 0)
1224 return err;
1225 else if (!err)
d4066833 1226 goto check_fw_status;
af19b491 1227
099f7aa7 1228 if (qlcnic_load_fw_file)
4d5bdb38 1229 qlcnic_request_firmware(adapter);
8f891387 1230 else {
8cfdce08
SC		 1231 err = qlcnic_check_flash_fw_ver(adapter);
1232 if (err)
8f891387 1233 goto err_out;
1234
79788450 1235 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1236 }
af19b491
AKS		 1237
1238 err = qlcnic_need_fw_reset(adapter);
af19b491 1239 if (err == 0)
4e70812b 1240 goto check_fw_status;
af19b491 1241
d4066833
SC		 1242 err = qlcnic_pinit_from_rom(adapter);
1243 if (err)
1244 goto err_out;
af19b491
AKS		 1245
1246 err = qlcnic_load_firmware(adapter);
1247 if (err)
1248 goto err_out;
1249
1250 qlcnic_release_firmware(adapter);
d4066833 1251 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1252
d4066833
SC		 1253check_fw_status:
1254 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1255 if (err)
1256 goto err_out;
1257
a15ebd37 1258 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1259 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1260 err = qlcnic_check_eswitch_mode(adapter);
1261 if (err) {
1262 dev_err(&adapter->pdev->dev,
1263 "Memory allocation failed for eswitch\n");
1264 goto err_out;
1265 }
174240a8
RB		 1266 err = qlcnic_set_mgmt_operations(adapter);
1267 if (err)
1268 goto err_out;
1269
1270 qlcnic_check_options(adapter);
af19b491
AKS		 1271 adapter->need_fw_reset = 0;
1272
a7fc948f
AKS		 1273 qlcnic_release_firmware(adapter);
1274 return 0;
af19b491
AKS		 1275
1276err_out:
a15ebd37 1277 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1278 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1279
af19b491
AKS		 1280 qlcnic_release_firmware(adapter);
1281 return err;
1282}
1283
1284static int
1285qlcnic_request_irq(struct qlcnic_adapter *adapter)
1286{
1287 irq_handler_t handler;
1288 struct qlcnic_host_sds_ring *sds_ring;
13159183 1289 struct qlcnic_host_tx_ring *tx_ring;
af19b491
AKS		 1290 int err, ring;
1291
1292 unsigned long flags = 0;
1293 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1294 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1295
79788450 1296 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
13159183
SC		 1297 if (qlcnic_82xx_check(adapter))
1298 handler = qlcnic_tmp_intr;
7eb9855d
AKS		 1299 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1300 flags |= IRQF_SHARED;
1301
1302 } else {
1303 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1304 handler = qlcnic_msix_intr;
1305 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1306 handler = qlcnic_msi_intr;
1307 else {
1308 flags |= IRQF_SHARED;
ac166700
HM		 1309 if (qlcnic_82xx_check(adapter))
1310 handler = qlcnic_intr;
1311 else
1312 handler = qlcnic_83xx_intr;
7eb9855d 1313 }
af19b491
AKS		 1314 }
1315 adapter->irq = netdev->irq;
1316
13159183 1317 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1318 if (qlcnic_82xx_check(adapter) ||
1319 (qlcnic_83xx_check(adapter) &&
1320 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1321 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1322 sds_ring = &recv_ctx->sds_rings[ring];
1323 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1324 "%s[%d]", netdev->name, ring);
1325 err = request_irq(sds_ring->irq, handler, flags,
1326 sds_ring->name, sds_ring);
1327 if (err)
1328 return err;
1329 }
13159183
SC		 1330 }
1331 if (qlcnic_83xx_check(adapter) &&
da6c8063
RB		 1332 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1333 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1334 handler = qlcnic_msix_tx_intr;
1335 for (ring = 0; ring < adapter->max_drv_tx_rings;
1336 ring++) {
1337 tx_ring = &adapter->tx_ring[ring];
1338 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1339 "%s[%d]", netdev->name,
ac166700 1340 adapter->max_sds_rings + ring);
13159183
SC		 1341 err = request_irq(tx_ring->irq, handler, flags,
1342 tx_ring->name, tx_ring);
1343 if (err)
1344 return err;
1345 }
1346 }
af19b491 1347 }
af19b491
AKS		 1348 return 0;
1349}
1350
1351static void
1352qlcnic_free_irq(struct qlcnic_adapter *adapter)
1353{
1354 int ring;
1355 struct qlcnic_host_sds_ring *sds_ring;
13159183 1356 struct qlcnic_host_tx_ring *tx_ring;
af19b491 1357
b1fc6d3c 1358 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1359
13159183 1360 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
ac166700
HM		 1361 if (qlcnic_82xx_check(adapter) ||
1362 (qlcnic_83xx_check(adapter) &&
1363 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1364 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1365 sds_ring = &recv_ctx->sds_rings[ring];
1366 free_irq(sds_ring->irq, sds_ring);
1367 }
13159183 1368 }
da6c8063
RB		 1369 if (qlcnic_83xx_check(adapter) &&
1370 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
13159183
SC		 1371 for (ring = 0; ring < adapter->max_drv_tx_rings;
1372 ring++) {
1373 tx_ring = &adapter->tx_ring[ring];
1374 if (tx_ring->irq)
1375 free_irq(tx_ring->irq, tx_ring);
1376 }
1377 }
af19b491
AKS		 1378 }
1379}
1380
99e85879
SS		 1381static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1382{
1383 u32 capab = 0;
1384
1385 if (qlcnic_82xx_check(adapter)) {
1386 if (adapter->ahw->capabilities2 &
1387 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1388 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1389 } else {
1390 capab = adapter->ahw->capabilities;
1391 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1392 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1393 }
1394}
1395
319ecf12 1396int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491 1397{
8a15ad1f
AKS		 1398 int ring;
1399 struct qlcnic_host_rds_ring *rds_ring;
1400
af19b491
AKS		 1401 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1402 return -EIO;
1403
8a15ad1f
AKS		 1404 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1405 return 0;
0325d69b
RB		 1406 if (qlcnic_set_eswitch_port_config(adapter))
1407 return -EIO;
99e85879 1408 qlcnic_get_lro_mss_capability(adapter);
cae82d49 1409
8a15ad1f
AKS		 1410 if (qlcnic_fw_create_ctx(adapter))
1411 return -EIO;
1412
1413 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1414 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1415 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1416 }
1417
af19b491
AKS		 1418 qlcnic_set_multi(netdev);
1419 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1420
b1fc6d3c 1421 adapter->ahw->linkup = 0;
af19b491
AKS		 1422
1423 if (adapter->max_sds_rings > 1)
1424 qlcnic_config_rss(adapter, 1);
1425
1426 qlcnic_config_intr_coalesce(adapter);
1427
24763d80 1428 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1429 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1430
1431 qlcnic_napi_enable(adapter);
1432
1433 qlcnic_linkevent_request(adapter, 1);
1434
79788450 1435 adapter->ahw->reset_context = 0;
af19b491
AKS		 1436 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1437 return 0;
1438}
1439
629263ac 1440int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1441{
1442 int err = 0;
1443
1444 rtnl_lock();
1445 if (netif_running(netdev))
1446 err = __qlcnic_up(adapter, netdev);
1447 rtnl_unlock();
1448
1449 return err;
1450}
1451
319ecf12 1452void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1453{
1454 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1455 return;
1456
1457 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1458 return;
1459
e8b508ef
RB		 1460 if (qlcnic_sriov_vf_check(adapter))
1461 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
af19b491
AKS		 1462 smp_mb();
1463 spin_lock(&adapter->tx_clean_lock);
1464 netif_carrier_off(netdev);
0a46bac0 1465 adapter->ahw->linkup = 0;
af19b491
AKS		 1466 netif_tx_disable(netdev);
1467
1468 qlcnic_free_mac_list(adapter);
1469
b5e5492c
AKS		 1470 if (adapter->fhash.fnum)
1471 qlcnic_delete_lb_filters(adapter);
1472
af19b491
AKS		 1473 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1474
1475 qlcnic_napi_disable(adapter);
1476
8a15ad1f 1477 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1478 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1479
1480 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1481 qlcnic_release_tx_buffers(adapter);
1482 spin_unlock(&adapter->tx_clean_lock);
1483}
1484
1485/* Usage: During suspend and firmware recovery module */
1486
629263ac 1487void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
af19b491
AKS		 1488{
1489 rtnl_lock();
1490 if (netif_running(netdev))
1491 __qlcnic_down(adapter, netdev);
1492 rtnl_unlock();
1493
1494}
1495
319ecf12 1496int
af19b491
AKS		 1497qlcnic_attach(struct qlcnic_adapter *adapter)
1498{
1499 struct net_device *netdev = adapter->netdev;
1500 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1501 int err;
af19b491
AKS		 1502
1503 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1504 return 0;
1505
af19b491
AKS		 1506 err = qlcnic_napi_add(adapter, netdev);
1507 if (err)
1508 return err;
1509
1510 err = qlcnic_alloc_sw_resources(adapter);
1511 if (err) {
1512 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1513 goto err_out_napi_del;
af19b491
AKS		 1514 }
1515
1516 err = qlcnic_alloc_hw_resources(adapter);
1517 if (err) {
1518 dev_err(&pdev->dev, "Error in setting hw resources\n");
1519 goto err_out_free_sw;
1520 }
1521
af19b491
AKS		 1522 err = qlcnic_request_irq(adapter);
1523 if (err) {
1524 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1525 goto err_out_free_hw;
af19b491
AKS		 1526 }
1527
af19b491
AKS		 1528 qlcnic_create_sysfs_entries(adapter);
1529
1530 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1531 return 0;
1532
8a15ad1f 1533err_out_free_hw:
af19b491
AKS		 1534 qlcnic_free_hw_resources(adapter);
1535err_out_free_sw:
1536 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1537err_out_napi_del:
1538 qlcnic_napi_del(adapter);
af19b491
AKS		 1539 return err;
1540}
1541
319ecf12 1542void qlcnic_detach(struct qlcnic_adapter *adapter)
af19b491
AKS		 1543{
1544 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1545 return;
1546
1547 qlcnic_remove_sysfs_entries(adapter);
1548
1549 qlcnic_free_hw_resources(adapter);
1550 qlcnic_release_rx_buffers(adapter);
1551 qlcnic_free_irq(adapter);
1552 qlcnic_napi_del(adapter);
1553 qlcnic_free_sw_resources(adapter);
1554
1555 adapter->is_up = 0;
1556}
1557
7eb9855d
AKS		 1558void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1559{
1560 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1561 struct qlcnic_host_sds_ring *sds_ring;
1562 int ring;
1563
78ad3892 1564 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1565 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1566 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1567 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1568 qlcnic_disable_int(sds_ring);
cdaff185 1569 }
7eb9855d
AKS		 1570 }
1571
8a15ad1f
AKS		 1572 qlcnic_fw_destroy_ctx(adapter);
1573
7eb9855d
AKS		 1574 qlcnic_detach(adapter);
1575
79788450 1576 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1577 adapter->max_sds_rings = max_sds_rings;
1578
1579 if (qlcnic_attach(adapter))
34ce3626 1580 goto out;
7eb9855d
AKS		 1581
1582 if (netif_running(netdev))
1583 __qlcnic_up(adapter, netdev);
34ce3626 1584out:
7eb9855d
AKS		 1585 netif_device_attach(netdev);
1586}
1587
b1fc6d3c
AC		 1588static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1589{
1590 int err = 0;
b1fc6d3c
AC		 1591 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1592 GFP_KERNEL);
1593 if (!adapter->recv_ctx) {
b1fc6d3c 1594 err = -ENOMEM;
8816d009 1595 goto err_out;
b1fc6d3c 1596 }
8816d009
AC		 1597 /* Initialize interrupt coalesce parameters */
1598 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1599 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1600 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1601 /* clear stats */
1602 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1603err_out:
1604 return err;
1605}
1606
1607static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1608{
1609 kfree(adapter->recv_ctx);
1610 adapter->recv_ctx = NULL;
1611
18f2f616
AC		 1612 if (adapter->ahw->fw_dump.tmpl_hdr) {
1613 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1614 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1615 }
4be41e92 1616
81d0aeb0 1617 kfree(adapter->ahw->reset.buff);
4be41e92 1618 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1619}
1620
7eb9855d
AKS		 1621int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1622{
1623 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1624 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1625 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1626 int ring;
1627 int ret;
1628
1629 netif_device_detach(netdev);
1630
1631 if (netif_running(netdev))
1632 __qlcnic_down(adapter, netdev);
1633
1634 qlcnic_detach(adapter);
1635
1636 adapter->max_sds_rings = 1;
79788450 1637 adapter->ahw->diag_test = test;
4be41e92 1638 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1639
1640 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1641 if (ret) {
1642 netif_device_attach(netdev);
7eb9855d 1643 return ret;
34ce3626 1644 }
7eb9855d 1645
8a15ad1f
AKS		 1646 ret = qlcnic_fw_create_ctx(adapter);
1647 if (ret) {
1648 qlcnic_detach(adapter);
57e46248 1649 netif_device_attach(netdev);
8a15ad1f
AKS		 1650 return ret;
1651 }
1652
1653 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1654 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1655 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1656 }
1657
79788450 1658 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1659 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1660 sds_ring = &adapter->recv_ctx->sds_rings[ring];
ba4468db 1661 qlcnic_enable_int(sds_ring);
cdaff185 1662 }
7eb9855d 1663 }
22c8c934 1664
79788450 1665 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1666 adapter->ahw->loopback_state = 0;
1667 qlcnic_linkevent_request(adapter, 1);
1668 }
1669
78ad3892 1670 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1671
1672 return 0;
1673}
1674
68bf1c68
AKS		 1675/* Reset context in hardware only */
1676static int
1677qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1678{
1679 struct net_device *netdev = adapter->netdev;
1680
1681 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1682 return -EBUSY;
1683
1684 netif_device_detach(netdev);
1685
1686 qlcnic_down(adapter, netdev);
1687
1688 qlcnic_up(adapter, netdev);
1689
1690 netif_device_attach(netdev);
1691
1692 clear_bit(__QLCNIC_RESETTING, &adapter->state);
13159183 1693 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
68bf1c68
AKS		 1694 return 0;
1695}
1696
af19b491
AKS		 1697int
1698qlcnic_reset_context(struct qlcnic_adapter *adapter)
1699{
1700 int err = 0;
1701 struct net_device *netdev = adapter->netdev;
1702
1703 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1704 return -EBUSY;
1705
1706 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1707
1708 netif_device_detach(netdev);
1709
1710 if (netif_running(netdev))
1711 __qlcnic_down(adapter, netdev);
1712
1713 qlcnic_detach(adapter);
1714
1715 if (netif_running(netdev)) {
1716 err = qlcnic_attach(adapter);
1d5c88e3 1717 if (!err) {
34ce3626 1718 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1719 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1720 }
af19b491
AKS		 1721 }
1722
1723 netif_device_attach(netdev);
1724 }
1725
af19b491
AKS		 1726 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1727 return err;
1728}
1729
f8468331 1730int
5ad6ff9d
SC		 1731qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1732 int pci_using_dac)
af19b491
AKS		 1733{
1734 int err;
1735 struct pci_dev *pdev = adapter->pdev;
1736
13159183 1737 adapter->rx_csum = 1;
79788450 1738 adapter->ahw->mc_enabled = 0;
13159183 1739 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
af19b491
AKS		 1740
1741 netdev->netdev_ops = &qlcnic_netdev_ops;
13159183 1742 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
af19b491
AKS		 1743
1744 qlcnic_change_mtu(netdev, netdev->mtu);
1745
d1a1105e
RB		 1746 if (qlcnic_sriov_vf_check(adapter))
1747 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
1748 else
1749 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
af19b491 1750
7e38d04b 1751 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
13159183 1752 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
f646968f 1753 NETIF_F_HW_VLAN_CTAG_RX);
13159183
SC		 1754 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1755 NETIF_F_IPV6_CSUM);
ac8d0c4f 1756
13159183
SC		 1757 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1758 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1759 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1760 }
af19b491 1761
13159183
SC		 1762 if (pci_using_dac) {
1763 netdev->features |= NETIF_F_HIGHDMA;
1764 netdev->vlan_features |= NETIF_F_HIGHDMA;
1765 }
af19b491 1766
13159183 1767 if (qlcnic_vlan_tx_check(adapter))
f646968f 1768 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
135d84a9 1769
91b7282b
RB		 1770 if (qlcnic_sriov_vf_check(adapter))
1771 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1772
13159183
SC		 1773 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1774 netdev->features |= NETIF_F_LRO;
135d84a9 1775
7e38d04b 1776 netdev->hw_features = netdev->features;
af19b491
AKS		 1777 netdev->irq = adapter->msix_entries[0].vector;
1778
af19b491
AKS		 1779 err = register_netdev(netdev);
1780 if (err) {
1781 dev_err(&pdev->dev, "failed to register net device\n");
1782 return err;
1783 }
1784
1785 return 0;
1786}
1787
5ad6ff9d 1788static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1789{
1790 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1791 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1792 *pci_using_dac = 1;
1793 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1794 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1795 *pci_using_dac = 0;
1796 else {
1797 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1798 return -EIO;
1799 }
1800
1801 return 0;
1802}
1803
4be41e92
SC		 1804void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1805{
1806 int ring;
1807 struct qlcnic_host_tx_ring *tx_ring;
1808
1809 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1810 tx_ring = &adapter->tx_ring[ring];
1811 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1812 vfree(tx_ring->cmd_buf_arr);
1813 tx_ring->cmd_buf_arr = NULL;
1814 }
1815 }
1816 if (adapter->tx_ring != NULL)
1817 kfree(adapter->tx_ring);
1818}
1819
1820int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1821 struct net_device *netdev)
1822{
b2adaca9 1823 int ring, vector, index;
4be41e92
SC		 1824 struct qlcnic_host_tx_ring *tx_ring;
1825 struct qlcnic_cmd_buffer *cmd_buf_arr;
1826
b2adaca9
JP		 1827 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1828 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1829 if (tx_ring == NULL)
4be41e92 1830 return -ENOMEM;
b2adaca9 1831
4be41e92
SC		 1832 adapter->tx_ring = tx_ring;
1833
1834 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1835 tx_ring = &adapter->tx_ring[ring];
1836 tx_ring->num_desc = adapter->num_txd;
1837 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1838 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1839 if (cmd_buf_arr == NULL) {
4be41e92
SC		 1840 qlcnic_free_tx_rings(adapter);
1841 return -ENOMEM;
1842 }
1843 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1844 tx_ring->cmd_buf_arr = cmd_buf_arr;
1845 }
1846
1847 if (qlcnic_83xx_check(adapter)) {
1848 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1849 tx_ring = &adapter->tx_ring[ring];
1850 tx_ring->adapter = adapter;
1851 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1852 index = adapter->max_sds_rings + ring;
1853 vector = adapter->msix_entries[index].vector;
1854 tx_ring->irq = vector;
1855 }
1856 }
1857 }
1858 return 0;
1859}
1860
6bb58bb0 1861static int
af19b491
AKS		 1862qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1863{
1864 struct net_device *netdev = NULL;
1865 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1866 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1867 int err, pci_using_dac = -1;
c84e340a 1868 u32 capab2;
7bc48646 1869 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
af19b491 1870
f8468331
RB		 1871 if (pdev->is_virtfn)
1872 return -ENODEV;
1873
af19b491
AKS		 1874 err = pci_enable_device(pdev);
1875 if (err)
1876 return err;
1877
1878 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1879 err = -ENODEV;
1880 goto err_out_disable_pdev;
1881 }
1882
1bb09fb9
AKS		 1883 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1884 if (err)
1885 goto err_out_disable_pdev;
1886
af19b491
AKS		 1887 err = pci_request_regions(pdev, qlcnic_driver_name);
1888 if (err)
1889 goto err_out_disable_pdev;
1890
1891 pci_set_master(pdev);
451724c8 1892 pci_enable_pcie_error_reporting(pdev);
af19b491 1893
7e2cf4fe
SC		 1894 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1895 if (!ahw)
1896 goto err_out_free_res;
1897
f8468331
RB		 1898 switch (ent->device) {
1899 case PCI_DEVICE_ID_QLOGIC_QLE824X:
7e2cf4fe 1900 ahw->hw_ops = &qlcnic_hw_ops;
f8468331
RB		 1901 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
1902 break;
1903 case PCI_DEVICE_ID_QLOGIC_QLE834X:
13159183 1904 qlcnic_83xx_register_map(ahw);
f8468331
RB		 1905 break;
1906 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1907 qlcnic_sriov_vf_register_map(ahw);
1908 break;
1909 default:
13159183 1910 goto err_out_free_hw_res;
7e2cf4fe
SC		 1911 }
1912
1913 err = qlcnic_setup_pci_map(pdev, ahw);
1914 if (err)
1915 goto err_out_free_hw_res;
1916
af19b491
AKS		 1917 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1918 if (!netdev) {
af19b491 1919 err = -ENOMEM;
7e2cf4fe 1920 goto err_out_iounmap;
af19b491
AKS		 1921 }
1922
1923 SET_NETDEV_DEV(netdev, &pdev->dev);
1924
1925 adapter = netdev_priv(netdev);
1926 adapter->netdev = netdev;
1927 adapter->pdev = pdev;
13159183
SC		 1928 adapter->ahw = ahw;
1929
1930 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1931 if (adapter->qlcnic_wq == NULL) {
1932 dev_err(&pdev->dev, "Failed to create workqueue\n");
1933 goto err_out_free_netdev;
1934 }
af19b491 1935
2dfc9671
PST		 1936 err = qlcnic_alloc_adapter_resources(adapter);
1937 if (err)
b1fc6d3c
AC		 1938 goto err_out_free_netdev;
1939
1940 adapter->dev_rst_time = jiffies;
7e2cf4fe 1941 adapter->ahw->revision_id = pdev->revision;
fe1adc6b
JK		 1942 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1943 adapter->fdb_mac_learn = true;
1944 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1945 adapter->drv_mac_learn = true;
7e2cf4fe 1946 adapter->max_drv_tx_rings = 1;
af19b491 1947
b1fc6d3c
AC		 1948 rwlock_init(&adapter->ahw->crb_lock);
1949 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1950
1951 spin_lock_init(&adapter->tx_clean_lock);
1952 INIT_LIST_HEAD(&adapter->mac_list);
1953
7e2cf4fe 1954 if (qlcnic_82xx_check(adapter)) {
13159183 1955 qlcnic_check_vf(adapter, ent);
7e2cf4fe
SC		 1956 adapter->portnum = adapter->ahw->pci_func;
1957 err = qlcnic_start_firmware(adapter);
1958 if (err) {
1959 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1960 goto err_out_free_hw;
1961 }
af19b491 1962
7e2cf4fe
SC		 1963 err = qlcnic_setup_idc_param(adapter);
1964 if (err)
1965 goto err_out_free_hw;
b0044bcf 1966
7e2cf4fe 1967 adapter->flags |= QLCNIC_NEED_FLR;
13159183
SC		 1968 } else if (qlcnic_83xx_check(adapter)) {
1969 qlcnic_83xx_check_vf(adapter, ent);
1970 adapter->portnum = adapter->ahw->pci_func;
f8468331 1971 err = qlcnic_83xx_init(adapter, pci_using_dac);
629263ac
SC		 1972 if (err) {
1973 dev_err(&pdev->dev, "%s: failed\n", __func__);
1974 goto err_out_free_hw;
1975 }
f8468331
RB		 1976 if (qlcnic_sriov_vf_check(adapter))
1977 return 0;
13159183
SC		 1978 } else {
1979 dev_err(&pdev->dev,
1980 "%s: failed. Please Reboot\n", __func__);
1981 goto err_out_free_hw;
a7fc948f 1982 }
af19b491 1983
da48e6c3
RB		 1984 if (qlcnic_read_mac_addr(adapter))
1985 dev_warn(&pdev->dev, "failed to read mac addr\n");
1986
1987 if (adapter->portnum == 0) {
22999798 1988 qlcnic_get_board_name(adapter, board_name);
13159183 1989
da48e6c3 1990 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1991 module_name(THIS_MODULE),
1992 board_name, adapter->ahw->revision_id);
da48e6c3 1993 }
460374f7
HM		 1994
1995 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
1996 !!qlcnic_use_msi)
1997 dev_warn(&pdev->dev,
1998 "83xx adapter do not support MSI interrupts\n");
1999
7e2cf4fe 2000 err = qlcnic_setup_intr(adapter, 0);
9a97e705
M		 2001 if (err) {
2002 dev_err(&pdev->dev, "Failed to setup interrupt\n");
7e2cf4fe 2003 goto err_out_disable_msi;
9a97e705 2004 }
f94bc1e7 2005
13159183
SC		 2006 if (qlcnic_83xx_check(adapter)) {
2007 err = qlcnic_83xx_setup_mbx_intr(adapter);
2008 if (err)
2009 goto err_out_disable_msi;
2010 }
af19b491 2011
1bb09fb9 2012 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 2013 if (err)
7e2cf4fe 2014 goto err_out_disable_mbx_intr;
af19b491 2015
c84e340a
SV		 2016 if (qlcnic_82xx_check(adapter)) {
2017 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
2018 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
2019 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
2020 qlcnic_fw_cmd_set_drv_version(adapter);
2021 }
2022 }
2023
af19b491
AKS		 2024 pci_set_drvdata(pdev, adapter);
2025
97ee45eb
SC		 2026 if (qlcnic_82xx_check(adapter))
2027 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2028 FW_POLL_DELAY);
af19b491 2029
b1fc6d3c 2030 switch (adapter->ahw->port_type) {
af19b491
AKS		 2031 case QLCNIC_GBE:
2032 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2033 adapter->netdev->name);
2034 break;
2035 case QLCNIC_XGBE:
2036 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2037 adapter->netdev->name);
2038 break;
2039 }
2040
7e2cf4fe
SC		 2041 if (qlcnic_get_act_pci_func(adapter))
2042 goto err_out_disable_mbx_intr;
2043
fe1adc6b 2044 if (adapter->drv_mac_learn)
e5dcf6dc
SC		 2045 qlcnic_alloc_lb_filters_mem(adapter);
2046
7e2cf4fe 2047 qlcnic_add_sysfs(adapter);
af19b491
AKS		 2048
2049 return 0;
2050
7e2cf4fe 2051err_out_disable_mbx_intr:
7dd90cf1 2052 if (qlcnic_83xx_check(adapter))
13159183 2053 qlcnic_83xx_free_mbx_intr(adapter);
7e2cf4fe 2054
af19b491
AKS		 2055err_out_disable_msi:
2056 qlcnic_teardown_intr(adapter);
7e2cf4fe 2057 qlcnic_cancel_idc_work(adapter);
21854f02 2058 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 2059
b1fc6d3c
AC		 2060err_out_free_hw:
2061 qlcnic_free_adapter_resources(adapter);
2062
af19b491
AKS		 2063err_out_free_netdev:
2064 free_netdev(netdev);
2065
7e2cf4fe 2066err_out_iounmap:
f1a094a8 2067 qlcnic_cleanup_pci_map(ahw);
7e2cf4fe
SC		 2068
2069err_out_free_hw_res:
2070 kfree(ahw);
2071
af19b491
AKS		 2072err_out_free_res:
2073 pci_release_regions(pdev);
2074
2075err_out_disable_pdev:
2076 pci_set_drvdata(pdev, NULL);
2077 pci_disable_device(pdev);
2078 return err;
2079}
2080
6bb58bb0 2081static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 2082{
2083 struct qlcnic_adapter *adapter;
2084 struct net_device *netdev;
13159183 2085 struct qlcnic_hardware_context *ahw;
af19b491
AKS		 2086
2087 adapter = pci_get_drvdata(pdev);
2088 if (adapter == NULL)
2089 return;
2090
2091 netdev = adapter->netdev;
02feda17 2092 qlcnic_sriov_pf_disable(adapter);
af19b491 2093
13159183
SC		 2094 qlcnic_cancel_idc_work(adapter);
2095 ahw = adapter->ahw;
af19b491
AKS		 2096
2097 unregister_netdev(netdev);
02feda17 2098 qlcnic_sriov_cleanup(adapter);
af19b491 2099
13159183 2100 if (qlcnic_83xx_check(adapter)) {
13159183 2101 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 2102 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2103 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 2104 }
2105
af19b491
AKS		 2106 qlcnic_detach(adapter);
2107
2e9d722d
AC		 2108 if (adapter->npars != NULL)
2109 kfree(adapter->npars);
2110 if (adapter->eswitch != NULL)
2111 kfree(adapter->eswitch);
2112
97ee45eb
SC		 2113 if (qlcnic_82xx_check(adapter))
2114 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2115
2116 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2117
b5e5492c
AKS		 2118 qlcnic_free_lb_filters_mem(adapter);
2119
af19b491
AKS		 2120 qlcnic_teardown_intr(adapter);
2121
13159183 2122 qlcnic_remove_sysfs(adapter);
af19b491 2123
f1a094a8 2124 qlcnic_cleanup_pci_map(adapter->ahw);
af19b491
AKS		 2125
2126 qlcnic_release_firmware(adapter);
2127
451724c8 2128 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 2129 pci_release_regions(pdev);
2130 pci_disable_device(pdev);
2131 pci_set_drvdata(pdev, NULL);
2132
13159183
SC		 2133 if (adapter->qlcnic_wq) {
2134 destroy_workqueue(adapter->qlcnic_wq);
2135 adapter->qlcnic_wq = NULL;
2136 }
b1fc6d3c 2137 qlcnic_free_adapter_resources(adapter);
13159183 2138 kfree(ahw);
af19b491
AKS		 2139 free_netdev(netdev);
2140}
2141static int __qlcnic_shutdown(struct pci_dev *pdev)
2142{
2143 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2144 struct net_device *netdev = adapter->netdev;
2145 int retval;
2146
2147 netif_device_detach(netdev);
2148
13159183 2149 qlcnic_cancel_idc_work(adapter);
af19b491
AKS		 2150
2151 if (netif_running(netdev))
2152 qlcnic_down(adapter, netdev);
2153
97d8105c 2154 qlcnic_sriov_cleanup(adapter);
97ee45eb
SC		 2155 if (qlcnic_82xx_check(adapter))
2156 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2157
2158 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2159
2160 retval = pci_save_state(pdev);
2161 if (retval)
2162 return retval;
97ee45eb
SC		 2163 if (qlcnic_82xx_check(adapter)) {
2164 if (qlcnic_wol_supported(adapter)) {
2165 pci_enable_wake(pdev, PCI_D3cold, 1);
2166 pci_enable_wake(pdev, PCI_D3hot, 1);
2167 }
af19b491
AKS		 2168 }
2169
2170 return 0;
2171}
2172
2173static void qlcnic_shutdown(struct pci_dev *pdev)
2174{
2175 if (__qlcnic_shutdown(pdev))
2176 return;
2177
2178 pci_disable_device(pdev);
2179}
2180
2181#ifdef CONFIG_PM
2182static int
2183qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2184{
2185 int retval;
2186
2187 retval = __qlcnic_shutdown(pdev);
2188 if (retval)
2189 return retval;
2190
2191 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2192 return 0;
2193}
2194
2195static int
2196qlcnic_resume(struct pci_dev *pdev)
2197{
2198 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2199 struct net_device *netdev = adapter->netdev;
2200 int err;
2201
2202 err = pci_enable_device(pdev);
2203 if (err)
2204 return err;
2205
2206 pci_set_power_state(pdev, PCI_D0);
2207 pci_set_master(pdev);
2208 pci_restore_state(pdev);
2209
13159183 2210 err = qlcnic_start_firmware(adapter);
af19b491
AKS		 2211 if (err) {
2212 dev_err(&pdev->dev, "failed to start firmware\n");
2213 return err;
2214 }
2215
2216 if (netif_running(netdev)) {
af19b491
AKS		 2217 err = qlcnic_up(adapter, netdev);
2218 if (err)
52486a3a 2219 goto done;
af19b491 2220
aec1e845 2221 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 2222 }
52486a3a 2223done:
af19b491
AKS		 2224 netif_device_attach(netdev);
2225 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2226 return 0;
af19b491
AKS		 2227}
2228#endif
2229
2230static int qlcnic_open(struct net_device *netdev)
2231{
2232 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2233 int err;
2234
c55ad8e5
AKS		 2235 netif_carrier_off(netdev);
2236
af19b491
AKS		 2237 err = qlcnic_attach(adapter);
2238 if (err)
2239 return err;
2240
2241 err = __qlcnic_up(adapter, netdev);
2242 if (err)
2243 goto err_out;
2244
2245 netif_start_queue(netdev);
2246
2247 return 0;
2248
2249err_out:
2250 qlcnic_detach(adapter);
2251 return err;
2252}
2253
2254/*
2255 * qlcnic_close - Disables a network interface entry point
2256 */
2257static int qlcnic_close(struct net_device *netdev)
2258{
2259 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2260
2261 __qlcnic_down(adapter, netdev);
13159183 2262
af19b491
AKS		 2263 return 0;
2264}
2265
e5dcf6dc 2266void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 2267{
2268 void *head;
2269 int i;
13159183
SC		 2270 struct net_device *netdev = adapter->netdev;
2271 u32 filter_size = 0;
2272 u16 act_pci_func = 0;
b5e5492c 2273
e5dcf6dc 2274 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2275 return;
2276
13159183 2277 act_pci_func = adapter->ahw->act_pci_func;
b5e5492c 2278 spin_lock_init(&adapter->mac_learn_lock);
53643a75 2279 spin_lock_init(&adapter->rx_mac_learn_lock);
b5e5492c 2280
13159183
SC		 2281 if (qlcnic_82xx_check(adapter)) {
2282 filter_size = QLCNIC_LB_MAX_FILTERS;
2283 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2284 } else {
2285 filter_size = QLC_83XX_LB_MAX_FILTERS;
2286 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2287 }
2288
2289 head = kcalloc(adapter->fhash.fbucket_size,
1d9219dd 2290 sizeof(struct hlist_head), GFP_ATOMIC);
13159183 2291
b5e5492c
AKS		 2292 if (!head)
2293 return;
2294
13159183 2295 adapter->fhash.fmax = (filter_size / act_pci_func);
43d620c8 2296 adapter->fhash.fhead = head;
b5e5492c 2297
13159183
SC		 2298 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2299 act_pci_func, adapter->fhash.fmax);
2300
2301 for (i = 0; i < adapter->fhash.fbucket_size; i++)
b5e5492c 2302 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
53643a75
SS		 2303
2304 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2305
2306 head = kcalloc(adapter->rx_fhash.fbucket_size,
2307 sizeof(struct hlist_head), GFP_ATOMIC);
2308
2309 if (!head)
2310 return;
2311
2312 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2313 adapter->rx_fhash.fhead = head;
2314
2315 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2316 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
b5e5492c
AKS		 2317}
2318
2319static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2320{
2321 if (adapter->fhash.fmax && adapter->fhash.fhead)
2322 kfree(adapter->fhash.fhead);
2323
2324 adapter->fhash.fhead = NULL;
2325 adapter->fhash.fmax = 0;
53643a75
SS		 2326
2327 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2328 kfree(adapter->rx_fhash.fhead);
2329
2330 adapter->rx_fhash.fmax = 0;
2331 adapter->rx_fhash.fhead = NULL;
b5e5492c
AKS		 2332}
2333
629263ac 2334int qlcnic_check_temp(struct qlcnic_adapter *adapter)
af19b491
AKS		 2335{
2336 struct net_device *netdev = adapter->netdev;
97ee45eb 2337 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2338 int rv = 0;
2339
13159183
SC		 2340 if (qlcnic_83xx_check(adapter))
2341 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2342
97ee45eb 2343 if (qlcnic_82xx_check(adapter))
a15ebd37 2344 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2345
2346 temp_state = qlcnic_get_temp_state(temp);
2347 temp_val = qlcnic_get_temp_val(temp);
2348
2349 if (temp_state == QLCNIC_TEMP_PANIC) {
2350 dev_err(&netdev->dev,
2351 "Device temperature %d degrees C exceeds"
2352 " maximum allowed. Hardware has been shut down.\n",
2353 temp_val);
2354 rv = 1;
2355 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2356 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2357 dev_err(&netdev->dev,
2358 "Device temperature %d degrees C "
2359 "exceeds operating range."
2360 " Immediate action needed.\n",
2361 temp_val);
2362 }
2363 } else {
79788450 2364 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2365 dev_info(&netdev->dev,
2366 "Device temperature is now %d degrees C"
2367 " in normal range.\n", temp_val);
2368 }
2369 }
79788450 2370 adapter->ahw->temp = temp_state;
af19b491
AKS		 2371 return rv;
2372}
2373
af19b491
AKS		 2374static void qlcnic_tx_timeout(struct net_device *netdev)
2375{
2376 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2377
2378 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2379 return;
2380
2381 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2382
2383 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2384 adapter->need_fw_reset = 1;
2385 else
79788450 2386 adapter->ahw->reset_context = 1;
af19b491
AKS		 2387}
2388
2389static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2390{
2391 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2392 struct net_device_stats *stats = &netdev->stats;
2393
af19b491
AKS		 2394 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2395 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2396 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2397 stats->tx_bytes = adapter->stats.txbytes;
2398 stats->rx_dropped = adapter->stats.rxdropped;
2399 stats->tx_dropped = adapter->stats.txdropped;
2400
2401 return stats;
2402}
2403
7e2cf4fe 2404irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2405{
af19b491
AKS		 2406 u32 status;
2407
2408 status = readl(adapter->isr_int_vec);
2409
79788450 2410 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2411 return IRQ_NONE;
2412
2413 /* check interrupt state machine, to be sure */
2414 status = readl(adapter->crb_int_state_reg);
2415 if (!ISR_LEGACY_INT_TRIGGERED(status))
2416 return IRQ_NONE;
2417
2418 writel(0xffffffff, adapter->tgt_status_reg);
2419 /* read twice to ensure write is flushed */
2420 readl(adapter->isr_int_vec);
2421 readl(adapter->isr_int_vec);
2422
7eb9855d
AKS		 2423 return IRQ_HANDLED;
2424}
2425
2426static irqreturn_t qlcnic_tmp_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 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2432 goto done;
2433 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2434 writel(0xffffffff, adapter->tgt_status_reg);
2435 goto done;
2436 }
2437
2438 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2439 return IRQ_NONE;
2440
2441done:
79788450 2442 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2443 qlcnic_enable_int(sds_ring);
2444 return IRQ_HANDLED;
2445}
2446
2447static irqreturn_t qlcnic_intr(int irq, void *data)
2448{
2449 struct qlcnic_host_sds_ring *sds_ring = data;
2450 struct qlcnic_adapter *adapter = sds_ring->adapter;
2451
2452 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2453 return IRQ_NONE;
2454
af19b491
AKS		 2455 napi_schedule(&sds_ring->napi);
2456
2457 return IRQ_HANDLED;
2458}
2459
2460static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2461{
2462 struct qlcnic_host_sds_ring *sds_ring = data;
2463 struct qlcnic_adapter *adapter = sds_ring->adapter;
2464
2465 /* clear interrupt */
2466 writel(0xffffffff, adapter->tgt_status_reg);
2467
2468 napi_schedule(&sds_ring->napi);
2469 return IRQ_HANDLED;
2470}
2471
2472static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2473{
2474 struct qlcnic_host_sds_ring *sds_ring = data;
2475
2476 napi_schedule(&sds_ring->napi);
2477 return IRQ_HANDLED;
2478}
2479
13159183
SC		 2480static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2481{
2482 struct qlcnic_host_tx_ring *tx_ring = data;
2483
2484 napi_schedule(&tx_ring->napi);
2485 return IRQ_HANDLED;
2486}
2487
af19b491
AKS		 2488#ifdef CONFIG_NET_POLL_CONTROLLER
2489static void qlcnic_poll_controller(struct net_device *netdev)
2490{
bf82791e
YL		 2491 int ring;
2492 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2493 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2494 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2495
af19b491 2496 disable_irq(adapter->irq);
bf82791e
YL		 2497 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2498 sds_ring = &recv_ctx->sds_rings[ring];
2499 qlcnic_intr(adapter->irq, sds_ring);
2500 }
af19b491
AKS		 2501 enable_irq(adapter->irq);
2502}
2503#endif
2504
6df900e9
SC		 2505static void
2506qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2507{
2508 u32 val;
2509
2510 val = adapter->portnum & 0xf;
2511 val |= encoding << 7;
2512 val |= (jiffies - adapter->dev_rst_time) << 8;
2513
a15ebd37 2514 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2515 adapter->dev_rst_time = jiffies;
2516}
2517
ade91f8e
AKS		 2518static int
2519qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2520{
2521 u32 val;
2522
2523 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2524 state != QLCNIC_DEV_NEED_QUISCENT);
2525
2526 if (qlcnic_api_lock(adapter))
ade91f8e 2527 return -EIO;
af19b491 2528
a15ebd37 2529 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2530
2531 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2532 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2533 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2534 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2535
a15ebd37 2536 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2537
2538 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2539
2540 return 0;
af19b491
AKS		 2541}
2542
1b95a839
AKS		 2543static int
2544qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2545{
2546 u32 val;
2547
2548 if (qlcnic_api_lock(adapter))
2549 return -EBUSY;
2550
a15ebd37 2551 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2552 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2553 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2554
2555 qlcnic_api_unlock(adapter);
2556
2557 return 0;
2558}
2559
af19b491 2560static void
21854f02 2561qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2562{
2563 u32 val;
2564
2565 if (qlcnic_api_lock(adapter))
2566 goto err;
2567
a15ebd37 2568 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2569 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2570 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2571
21854f02 2572 if (failed) {
a15ebd37
HM		 2573 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2574 QLCNIC_DEV_FAILED);
21854f02
AKS		 2575 dev_info(&adapter->pdev->dev,
2576 "Device state set to Failed. Please Reboot\n");
2577 } else if (!(val & 0x11111111))
a15ebd37
HM		 2578 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2579 QLCNIC_DEV_COLD);
af19b491 2580
a15ebd37 2581 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2582 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2583 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2584
2585 qlcnic_api_unlock(adapter);
2586err:
2587 adapter->fw_fail_cnt = 0;
032a13c7 2588 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2589 clear_bit(__QLCNIC_START_FW, &adapter->state);
2590 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2591}
2592
f73dfc50 2593/* Grab api lock, before checking state */
af19b491
AKS		 2594static int
2595qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2596{
602ca6f0 2597 int act, state, active_mask;
a15ebd37 2598 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2599
a15ebd37
HM		 2600 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2601 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2602
602ca6f0 2603 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2604 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2605 act = act & active_mask;
2606 }
2607
af19b491
AKS		 2608 if (((state & 0x11111111) == (act & 0x11111111)) ||
2609 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2610 return 0;
2611 else
2612 return 1;
2613}
2614
96f8118c
SC		 2615static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2616{
a15ebd37 2617 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2618
2619 if (val != QLCNIC_DRV_IDC_VER) {
2620 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2621 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2622 }
2623
2624 return 0;
2625}
2626
af19b491
AKS		 2627static int
2628qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2629{
2630 u32 val, prev_state;
aa5e18c0 2631 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2632 u8 portnum = adapter->portnum;
96f8118c 2633 u8 ret;
af19b491 2634
f73dfc50
AKS		 2635 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2636 return 1;
2637
af19b491
AKS		 2638 if (qlcnic_api_lock(adapter))
2639 return -1;
2640
a15ebd37 2641 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2642 if (!(val & (1 << (portnum * 4)))) {
2643 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2644 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2645 }
2646
a15ebd37 2647 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2648 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2649
2650 switch (prev_state) {
2651 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2652 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2653 QLCNIC_DEV_INITIALIZING);
2654 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2655 QLCNIC_DRV_IDC_VER);
6df900e9 2656 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2657 qlcnic_api_unlock(adapter);
2658 return 1;
2659
2660 case QLCNIC_DEV_READY:
96f8118c 2661 ret = qlcnic_check_idc_ver(adapter);
af19b491 2662 qlcnic_api_unlock(adapter);
96f8118c 2663 return ret;
af19b491
AKS		 2664
2665 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2666 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2667 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2669 break;
2670
2671 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2672 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2673 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2674 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2675 break;
2676
2677 case QLCNIC_DEV_FAILED:
a7fc948f 2678 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2679 qlcnic_api_unlock(adapter);
2680 return -1;
bbd8c6a4
AKS		 2681
2682 case QLCNIC_DEV_INITIALIZING:
2683 case QLCNIC_DEV_QUISCENT:
2684 break;
af19b491
AKS		 2685 }
2686
2687 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2688
2689 do {
af19b491 2690 msleep(1000);
a15ebd37 2691 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2692
2693 if (prev_state == QLCNIC_DEV_QUISCENT)
2694 continue;
2695 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2696
65b5b420
AKS		 2697 if (!dev_init_timeo) {
2698 dev_err(&adapter->pdev->dev,
2699 "Waiting for device to initialize timeout\n");
af19b491 2700 return -1;
65b5b420 2701 }
af19b491
AKS		 2702
2703 if (qlcnic_api_lock(adapter))
2704 return -1;
2705
a15ebd37 2706 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2707 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2708 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2709
96f8118c 2710 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2711 qlcnic_api_unlock(adapter);
2712
96f8118c 2713 return ret;
af19b491
AKS		 2714}
2715
2716static void
2717qlcnic_fwinit_work(struct work_struct *work)
2718{
2719 struct qlcnic_adapter *adapter = container_of(work,
2720 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2721 u32 dev_state = 0xf;
7b749ff4 2722 u32 val;
af19b491 2723
f73dfc50
AKS		 2724 if (qlcnic_api_lock(adapter))
2725 goto err_ret;
af19b491 2726
a15ebd37 2727 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2728 if (dev_state == QLCNIC_DEV_QUISCENT ||
2729 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2730 qlcnic_api_unlock(adapter);
2731 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2732 FW_POLL_DELAY * 2);
2733 return;
2734 }
2735
79788450 2736 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2737 qlcnic_api_unlock(adapter);
2738 goto wait_npar;
9f26f547
AC		 2739 }
2740
16e3cf73
SV		 2741 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2742 dev_state == QLCNIC_DEV_READY) {
2743 dev_info(&adapter->pdev->dev, "Detected state change from "
2744 "DEV_NEED_RESET, skipping ack check\n");
2745 goto skip_ack_check;
2746 }
2747
f73dfc50 2748 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2749 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2750 adapter->reset_ack_timeo);
2751 goto skip_ack_check;
2752 }
2753
2754 if (!qlcnic_check_drv_state(adapter)) {
2755skip_ack_check:
a15ebd37 2756 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2757
f73dfc50 2758 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2759 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2760 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2761 set_bit(__QLCNIC_START_FW, &adapter->state);
2762 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2763 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2764 val = QLC_SHARED_REG_RD32(adapter,
2765 QLCNIC_CRB_DRV_STATE);
7b749ff4 2766 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2767 QLC_SHARED_REG_WR32(adapter,
2768 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2769 }
2770
f73dfc50
AKS		 2771 qlcnic_api_unlock(adapter);
2772
287e38aa 2773 rtnl_lock();
7b749ff4
SV		 2774 if (adapter->ahw->fw_dump.enable &&
2775 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2776 QLCDB(adapter, DRV, "Take FW dump\n");
2777 qlcnic_dump_fw(adapter);
032a13c7 2778 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2779 }
287e38aa 2780 rtnl_unlock();
7b749ff4
SV		 2781
2782 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2783 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2784 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2785 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2786 return;
2787 }
af19b491
AKS		 2788 goto err_ret;
2789 }
2790
f73dfc50 2791 qlcnic_api_unlock(adapter);
aa5e18c0 2792
9f26f547 2793wait_npar:
a15ebd37 2794 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2795 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2796
af19b491 2797 switch (dev_state) {
3c4b23b1 2798 case QLCNIC_DEV_READY:
7e2cf4fe 2799 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2800 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2801 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2802 return;
2803 }
3c4b23b1
AKS		 2804 case QLCNIC_DEV_FAILED:
2805 break;
2806 default:
2807 qlcnic_schedule_work(adapter,
2808 qlcnic_fwinit_work, FW_POLL_DELAY);
2809 return;
af19b491
AKS		 2810 }
2811
2812err_ret:
f73dfc50
AKS		 2813 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2814 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2815 netif_device_attach(adapter->netdev);
21854f02 2816 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2817}
2818
2819static void
2820qlcnic_detach_work(struct work_struct *work)
2821{
2822 struct qlcnic_adapter *adapter = container_of(work,
2823 struct qlcnic_adapter, fw_work.work);
2824 struct net_device *netdev = adapter->netdev;
2825 u32 status;
2826
2827 netif_device_detach(netdev);
2828
b8c17620
AKS		 2829 /* Dont grab rtnl lock during Quiscent mode */
2830 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2831 if (netif_running(netdev))
2832 __qlcnic_down(adapter, netdev);
2833 } else
2834 qlcnic_down(adapter, netdev);
af19b491 2835
a15ebd37 2836 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2837
44f65b29
SC		 2838 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2839 dev_err(&adapter->pdev->dev,
2840 "Detaching the device: peg halt status1=0x%x\n",
2841 status);
2842
2843 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2844 dev_err(&adapter->pdev->dev,
2845 "On board active cooling fan failed. "
2846 "Device has been halted.\n");
2847 dev_err(&adapter->pdev->dev,
2848 "Replace the adapter.\n");
2849 }
2850
af19b491 2851 goto err_ret;
44f65b29 2852 }
af19b491 2853
79788450 2854 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2855 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2856 adapter->ahw->temp);
af19b491 2857 goto err_ret;
44f65b29
SC		 2858 }
2859
602ca6f0
SV		 2860 /* Dont ack if this instance is the reset owner */
2861 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2862 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2863 dev_err(&adapter->pdev->dev,
2864 "Failed to set driver state,"
2865 "detaching the device.\n");
602ca6f0 2866 goto err_ret;
44f65b29 2867 }
602ca6f0 2868 }
af19b491
AKS		 2869
2870 adapter->fw_wait_cnt = 0;
2871
2872 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2873
2874 return;
2875
2876err_ret:
34ce3626 2877 netif_device_attach(netdev);
21854f02 2878 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2879}
2880
3c4b23b1
AKS		 2881/*Transit NPAR state to NON Operational */
2882static void
2883qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2884{
2885 u32 state;
2886
a15ebd37 2887 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2888 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2889 return;
2890
2891 if (qlcnic_api_lock(adapter))
2892 return;
a15ebd37
HM		 2893 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2894 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2895 qlcnic_api_unlock(adapter);
2896}
2897
7e2cf4fe 2898void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2899{
646779f1
SV		 2900 u32 state, xg_val = 0, gb_val = 0;
2901
2902 qlcnic_xg_set_xg0_mask(xg_val);
2903 qlcnic_xg_set_xg1_mask(xg_val);
2904 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2905 qlcnic_gb_set_gb0_mask(gb_val);
2906 qlcnic_gb_set_gb1_mask(gb_val);
2907 qlcnic_gb_set_gb2_mask(gb_val);
2908 qlcnic_gb_set_gb3_mask(gb_val);
2909 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2910 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2911 " on all ports\n");
cea8975e 2912 adapter->need_fw_reset = 1;
13159183 2913
af19b491
AKS		 2914 if (qlcnic_api_lock(adapter))
2915 return;
2916
13159183 2917 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491 2918
f73dfc50 2919 if (state == QLCNIC_DEV_READY) {
13159183
SC		 2920 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2921 QLCNIC_DEV_NEED_RESET);
602ca6f0 2922 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2923 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2924 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2925 }
2926
13159183
SC		 2927 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2928 QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2929 qlcnic_api_unlock(adapter);
2930}
2931
9f26f547
AC		 2932/* Transit to NPAR READY state from NPAR NOT READY state */
2933static void
2934qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2935{
9f26f547
AC		 2936 if (qlcnic_api_lock(adapter))
2937 return;
2938
a15ebd37
HM		 2939 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2940 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2941 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2942
2943 qlcnic_api_unlock(adapter);
2944}
2945
13159183
SC		 2946void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2947 work_func_t func, int delay)
af19b491 2948{
451724c8
SC		 2949 if (test_bit(__QLCNIC_AER, &adapter->state))
2950 return;
2951
af19b491 2952 INIT_DELAYED_WORK(&adapter->fw_work, func);
13159183
SC		 2953 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2954 round_jiffies_relative(delay));
af19b491
AKS		 2955}
2956
2957static void
2958qlcnic_attach_work(struct work_struct *work)
2959{
2960 struct qlcnic_adapter *adapter = container_of(work,
2961 struct qlcnic_adapter, fw_work.work);
2962 struct net_device *netdev = adapter->netdev;
b18971d1 2963 u32 npar_state;
af19b491 2964
79788450 2965 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2966 npar_state = QLC_SHARED_REG_RD32(adapter,
2967 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2968 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2969 qlcnic_clr_all_drv_state(adapter, 0);
2970 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2971 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2972 FW_POLL_DELAY);
2973 else
2974 goto attach;
2975 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2976 return;
2977 }
2978attach:
af19b491 2979 if (netif_running(netdev)) {
52486a3a 2980 if (qlcnic_up(adapter, netdev))
af19b491 2981 goto done;
af19b491 2982
aec1e845 2983 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2984 }
2985
af19b491 2986done:
34ce3626 2987 netif_device_attach(netdev);
af19b491 2988 adapter->fw_fail_cnt = 0;
032a13c7 2989 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2990 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2991
2992 if (!qlcnic_clr_drv_state(adapter))
2993 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2994 FW_POLL_DELAY);
af19b491
AKS		 2995}
2996
2997static int
2998qlcnic_check_health(struct qlcnic_adapter *adapter)
2999{
4e70812b 3000 u32 state = 0, heartbeat;
853d4bca 3001 u32 peg_status;
af19b491
AKS		 3002
3003 if (qlcnic_check_temp(adapter))
3004 goto detach;
3005
2372a5f1 3006 if (adapter->need_fw_reset)
7e2cf4fe 3007 qlcnic_dev_request_reset(adapter, 0);
af19b491 3008
a15ebd37 3009 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 3010 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 3011 qlcnic_set_npar_non_operational(adapter);
af19b491 3012 adapter->need_fw_reset = 1;
b8c17620
AKS		 3013 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3014 goto detach;
af19b491 3015
a15ebd37 3016 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 3017 if (heartbeat != adapter->heartbeat) {
3018 adapter->heartbeat = heartbeat;
af19b491
AKS		 3019 adapter->fw_fail_cnt = 0;
3020 if (adapter->need_fw_reset)
3021 goto detach;
68bf1c68 3022
099f7aa7 3023 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 3024 qlcnic_reset_hw_context(adapter);
3025 adapter->netdev->trans_start = jiffies;
3026 }
3027
af19b491
AKS		 3028 return 0;
3029 }
3030
3031 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3032 return 0;
3033
032a13c7
SV		 3034 adapter->flags |= QLCNIC_FW_HANG;
3035
7e2cf4fe 3036 qlcnic_dev_request_reset(adapter, 0);
af19b491 3037
099f7aa7 3038 if (qlcnic_auto_fw_reset)
0df170b6 3039 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 3040
853d4bca 3041 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 3042 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 3043 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 3044 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3045 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3046 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3047 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 3048 peg_status,
3049 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 3050 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3051 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3052 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3053 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3054 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 3055 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 3056 dev_err(&adapter->pdev->dev,
3057 "Firmware aborted with error code 0x00006700. "
3058 "Device is being reset.\n");
af19b491
AKS		 3059detach:
3060 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3061 QLCNIC_DEV_NEED_RESET;
3062
099f7aa7
SC		 3063 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3064 &adapter->state)) {
65b5b420 3065
af19b491 3066 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 3067 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3068 }
af19b491
AKS		 3069
3070 return 1;
3071}
3072
3073static void
3074qlcnic_fw_poll_work(struct work_struct *work)
3075{
3076 struct qlcnic_adapter *adapter = container_of(work,
3077 struct qlcnic_adapter, fw_work.work);
3078
3079 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3080 goto reschedule;
3081
3082
3083 if (qlcnic_check_health(adapter))
3084 return;
3085
b5e5492c
AKS		 3086 if (adapter->fhash.fnum)
3087 qlcnic_prune_lb_filters(adapter);
3088
af19b491
AKS		 3089reschedule:
3090 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3091}
3092
451724c8
SC		 3093static int qlcnic_is_first_func(struct pci_dev *pdev)
3094{
3095 struct pci_dev *oth_pdev;
3096 int val = pdev->devfn;
3097
3098 while (val-- > 0) {
3099 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3100 (pdev->bus), pdev->bus->number,
3101 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 3102 if (!oth_pdev)
3103 continue;
451724c8 3104
bfc978fa
AKS		 3105 if (oth_pdev->current_state != PCI_D3cold) {
3106 pci_dev_put(oth_pdev);
451724c8 3107 return 0;
bfc978fa
AKS		 3108 }
3109 pci_dev_put(oth_pdev);
451724c8
SC		 3110 }
3111 return 1;
3112}
3113
3114static int qlcnic_attach_func(struct pci_dev *pdev)
3115{
3116 int err, first_func;
3117 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3118 struct net_device *netdev = adapter->netdev;
3119
3120 pdev->error_state = pci_channel_io_normal;
3121
3122 err = pci_enable_device(pdev);
3123 if (err)
3124 return err;
3125
3126 pci_set_power_state(pdev, PCI_D0);
3127 pci_set_master(pdev);
3128 pci_restore_state(pdev);
3129
3130 first_func = qlcnic_is_first_func(pdev);
3131
3132 if (qlcnic_api_lock(adapter))
3133 return -EINVAL;
3134
79788450 3135 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 3136 adapter->need_fw_reset = 1;
3137 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 3138 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3139 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 3140 QLCDB(adapter, DRV, "Restarting fw\n");
3141 }
3142 qlcnic_api_unlock(adapter);
3143
13159183 3144 err = qlcnic_start_firmware(adapter);
451724c8
SC		 3145 if (err)
3146 return err;
3147
3148 qlcnic_clr_drv_state(adapter);
13159183
SC		 3149 kfree(adapter->msix_entries);
3150 adapter->msix_entries = NULL;
3151 err = qlcnic_setup_intr(adapter, 0);
3152
9a97e705
M		 3153 if (err) {
3154 kfree(adapter->msix_entries);
3155 netdev_err(netdev, "failed to setup interrupt\n");
3156 return err;
3157 }
3158
13159183 3159 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3160 /* register for NIC IDC AEN Events */
3161 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3162 err = qlcnic_83xx_setup_mbx_intr(adapter);
3163 if (err) {
3164 dev_err(&adapter->pdev->dev,
3165 "failed to setup mbx interrupt\n");
3166 qlcnic_clr_all_drv_state(adapter, 1);
3167 clear_bit(__QLCNIC_AER, &adapter->state);
3168 goto done;
3169 }
3170 }
451724c8
SC		 3171
3172 if (netif_running(netdev)) {
3173 err = qlcnic_attach(adapter);
3174 if (err) {
21854f02 3175 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 3176 clear_bit(__QLCNIC_AER, &adapter->state);
3177 netif_device_attach(netdev);
3178 return err;
3179 }
3180
3181 err = qlcnic_up(adapter, netdev);
3182 if (err)
3183 goto done;
3184
aec1e845 3185 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 3186 }
3187 done:
3188 netif_device_attach(netdev);
3189 return err;
3190}
3191
3192static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3193 pci_channel_state_t state)
3194{
3195 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3196 struct net_device *netdev = adapter->netdev;
3197
3198 if (state == pci_channel_io_perm_failure)
3199 return PCI_ERS_RESULT_DISCONNECT;
3200
3201 if (state == pci_channel_io_normal)
3202 return PCI_ERS_RESULT_RECOVERED;
3203
3204 set_bit(__QLCNIC_AER, &adapter->state);
3205 netif_device_detach(netdev);
3206
3207 cancel_delayed_work_sync(&adapter->fw_work);
3208
3209 if (netif_running(netdev))
3210 qlcnic_down(adapter, netdev);
3211
13159183 3212 if (qlcnic_83xx_check(adapter)) {
13159183 3213 qlcnic_83xx_free_mbx_intr(adapter);
3d73b5fd
JK		 3214 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3215 cancel_delayed_work_sync(&adapter->idc_aen_work);
13159183
SC		 3216 }
3217
451724c8
SC		 3218 qlcnic_detach(adapter);
3219 qlcnic_teardown_intr(adapter);
3220
3221 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3222
3223 pci_save_state(pdev);
3224 pci_disable_device(pdev);
3225
3226 return PCI_ERS_RESULT_NEED_RESET;
3227}
3228
3229static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3230{
3231 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3232 PCI_ERS_RESULT_RECOVERED;
3233}
3234
3235static void qlcnic_io_resume(struct pci_dev *pdev)
3236{
a15ebd37 3237 u32 state;
451724c8
SC		 3238 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3239
3240 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 3241 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3242 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3243 &adapter->state))
451724c8
SC		 3244 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3245 FW_POLL_DELAY);
3246}
3247
87eb743b
AC		 3248static int
3249qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3250{
3251 int err;
3252
3253 err = qlcnic_can_start_firmware(adapter);
3254 if (err)
3255 return err;
3256
78f84e1a
AKS		 3257 err = qlcnic_check_npar_opertional(adapter);
3258 if (err)
3259 return err;
3c4b23b1 3260
174240a8
RB		 3261 err = qlcnic_initialize_nic(adapter);
3262 if (err)
3263 return err;
3264
87eb743b
AC		 3265 qlcnic_check_options(adapter);
3266
7373373d
RB		 3267 err = qlcnic_set_eswitch_port_config(adapter);
3268 if (err)
3269 return err;
3270
87eb743b
AC		 3271 adapter->need_fw_reset = 0;
3272
3273 return err;
3274}
3275
319ecf12 3276int qlcnic_validate_max_rss(u8 max_hw, u8 val)
f94bc1e7 3277{
319ecf12
SC		 3278 u32 max_allowed;
3279
3280 if (max_hw > QLC_MAX_SDS_RINGS) {
3281 max_hw = QLC_MAX_SDS_RINGS;
3282 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
f94bc1e7
SC		 3283 }
3284
319ecf12
SC		 3285 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3286 num_online_cpus()));
3287 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3288 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3289 max_allowed);
f94bc1e7
SC		 3290 return -EINVAL;
3291 }
3292 return 0;
f94bc1e7
SC		 3293}
3294
319ecf12 3295int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
f94bc1e7 3296{
13159183 3297 int err;
f94bc1e7 3298 struct net_device *netdev = adapter->netdev;
f94bc1e7 3299
319ecf12
SC		 3300 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3301 return -EBUSY;
3302
f94bc1e7
SC		 3303 netif_device_detach(netdev);
3304 if (netif_running(netdev))
3305 __qlcnic_down(adapter, netdev);
13159183 3306
7dd90cf1
SC		 3307 qlcnic_detach(adapter);
3308
3309 if (qlcnic_83xx_check(adapter))
13159183 3310 qlcnic_83xx_free_mbx_intr(adapter);
13159183 3311
f94bc1e7 3312 qlcnic_teardown_intr(adapter);
319ecf12 3313 err = qlcnic_setup_intr(adapter, data);
9a97e705
M		 3314 if (err) {
3315 kfree(adapter->msix_entries);
3316 netdev_err(netdev, "failed to setup interrupt\n");
3317 return err;
3318 }
f94bc1e7 3319
13159183 3320 if (qlcnic_83xx_check(adapter)) {
d5fcff04
HM		 3321 /* register for NIC IDC AEN Events */
3322 qlcnic_83xx_register_nic_idc_func(adapter, 1);
13159183
SC		 3323 err = qlcnic_83xx_setup_mbx_intr(adapter);
3324 if (err) {
3325 dev_err(&adapter->pdev->dev,
3326 "failed to setup mbx interrupt\n");
3327 goto done;
3328 }
f94bc1e7
SC		 3329 }
3330
3331 if (netif_running(netdev)) {
3332 err = qlcnic_attach(adapter);
3333 if (err)
3334 goto done;
3335 err = __qlcnic_up(adapter, netdev);
3336 if (err)
3337 goto done;
3338 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3339 }
319ecf12 3340 err = len;
f94bc1e7
SC		 3341 done:
3342 netif_device_attach(netdev);
3343 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3344 return err;
3345}
3346
af19b491
AKS		 3347#ifdef CONFIG_INET
3348
3349#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3350
af19b491 3351static void
aec1e845
AKS		 3352qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3353 struct net_device *dev, unsigned long event)
af19b491
AKS		 3354{
3355 struct in_device *indev;
af19b491 3356
af19b491
AKS		 3357 indev = in_dev_get(dev);
3358 if (!indev)
3359 return;
3360
3361 for_ifa(indev) {
3362 switch (event) {
3363 case NETDEV_UP:
3364 qlcnic_config_ipaddr(adapter,
3365 ifa->ifa_address, QLCNIC_IP_UP);
3366 break;
3367 case NETDEV_DOWN:
3368 qlcnic_config_ipaddr(adapter,
3369 ifa->ifa_address, QLCNIC_IP_DOWN);
3370 break;
3371 default:
3372 break;
3373 }
3374 } endfor_ifa(indev);
3375
3376 in_dev_put(indev);
af19b491
AKS		 3377}
3378
319ecf12 3379void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
aec1e845
AKS		 3380{
3381 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3382 struct net_device *dev;
3383 u16 vid;
3384
3385 qlcnic_config_indev_addr(adapter, netdev, event);
3386
43c00a75 3387 rcu_read_lock();
b9796a14 3388 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
1fd9b1fc 3389 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
aec1e845
AKS		 3390 if (!dev)
3391 continue;
aec1e845
AKS		 3392 qlcnic_config_indev_addr(adapter, dev, event);
3393 }
43c00a75 3394 rcu_read_unlock();
aec1e845
AKS		 3395}
3396
af19b491
AKS		 3397static int qlcnic_netdev_event(struct notifier_block *this,
3398 unsigned long event, void *ptr)
3399{
3400 struct qlcnic_adapter *adapter;
3401 struct net_device *dev = (struct net_device *)ptr;
3402
3403recheck:
3404 if (dev == NULL)
3405 goto done;
3406
3407 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3408 dev = vlan_dev_real_dev(dev);
3409 goto recheck;
3410 }
3411
3412 if (!is_qlcnic_netdev(dev))
3413 goto done;
3414
3415 adapter = netdev_priv(dev);
3416
3417 if (!adapter)
3418 goto done;
3419
8a15ad1f 3420 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3421 goto done;
3422
aec1e845 3423 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3424done:
3425 return NOTIFY_DONE;
3426}
3427
3428static int
3429qlcnic_inetaddr_event(struct notifier_block *this,
3430 unsigned long event, void *ptr)
3431{
3432 struct qlcnic_adapter *adapter;
3433 struct net_device *dev;
3434
3435 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3436
3437 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3438
3439recheck:
aec1e845 3440 if (dev == NULL)
af19b491
AKS		 3441 goto done;
3442
3443 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3444 dev = vlan_dev_real_dev(dev);
3445 goto recheck;
3446 }
3447
3448 if (!is_qlcnic_netdev(dev))
3449 goto done;
3450
3451 adapter = netdev_priv(dev);
3452
251a84c9 3453 if (!adapter)
af19b491
AKS		 3454 goto done;
3455
8a15ad1f 3456 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3457 goto done;
3458
3459 switch (event) {
3460 case NETDEV_UP:
3461 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
13159183 3462
af19b491
AKS		 3463 break;
3464 case NETDEV_DOWN:
3465 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
13159183 3466
af19b491
AKS		 3467 break;
3468 default:
3469 break;
3470 }
3471
3472done:
3473 return NOTIFY_DONE;
3474}
3475
3476static struct notifier_block qlcnic_netdev_cb = {
3477 .notifier_call = qlcnic_netdev_event,
3478};
3479
3480static struct notifier_block qlcnic_inetaddr_cb = {
3481 .notifier_call = qlcnic_inetaddr_event,
3482};
3483#else
f8ca2b6f 3484void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3485{ }
3486#endif
fec9dd15 3487static const struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3488 .error_detected = qlcnic_io_error_detected,
3489 .slot_reset = qlcnic_io_slot_reset,
3490 .resume = qlcnic_io_resume,
3491};
af19b491
AKS		 3492
3493static struct pci_driver qlcnic_driver = {
3494 .name = qlcnic_driver_name,
3495 .id_table = qlcnic_pci_tbl,
3496 .probe = qlcnic_probe,
6bb58bb0 3497 .remove = qlcnic_remove,
af19b491
AKS		 3498#ifdef CONFIG_PM
3499 .suspend = qlcnic_suspend,
3500 .resume = qlcnic_resume,
3501#endif
451724c8 3502 .shutdown = qlcnic_shutdown,
02feda17
RB		 3503 .err_handler = &qlcnic_err_handler,
3504#ifdef CONFIG_QLCNIC_SRIOV
3505 .sriov_configure = qlcnic_pci_sriov_configure,
3506#endif
451724c8 3507
af19b491
AKS		 3508};
3509
3510static int __init qlcnic_init_module(void)
3511{
0cf3a14c 3512 int ret;
af19b491
AKS		 3513
3514 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3515
3516#ifdef CONFIG_INET
3517 register_netdevice_notifier(&qlcnic_netdev_cb);
3518 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3519#endif
3520
0cf3a14c
AKS		 3521 ret = pci_register_driver(&qlcnic_driver);
3522 if (ret) {
3523#ifdef CONFIG_INET
3524 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3525 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3526#endif
3527 }
af19b491 3528
0cf3a14c 3529 return ret;
af19b491
AKS		 3530}
3531
3532module_init(qlcnic_init_module);
3533
3534static void __exit qlcnic_exit_module(void)
3535{
af19b491
AKS		 3536 pci_unregister_driver(&qlcnic_driver);
3537
3538#ifdef CONFIG_INET
3539 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3540 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3541#endif
3542}
3543
3544module_exit(qlcnic_exit_module);
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