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qlcnic: 83xx memory map and HW access routines
[deliverable/linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c
CommitLineData
af19b491 1/*
40839129
SV		 2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
5a0e3ad6 8#include <linux/slab.h>
af19b491
AKS		 9#include <linux/vmalloc.h>
10#include <linux/interrupt.h>
11
12#include "qlcnic.h"
a15ebd37 13#include "qlcnic_hw.h"
af19b491 14
7e56cac4 15#include <linux/swab.h>
af19b491 16#include <linux/dma-mapping.h>
af19b491
AKS		 17#include <net/ip.h>
18#include <linux/ipv6.h>
19#include <linux/inetdevice.h>
20#include <linux/sysfs.h>
451724c8 21#include <linux/aer.h>
f94bc1e7 22#include <linux/log2.h>
af19b491 23
7f9a0c34 24MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
af19b491
AKS		 25MODULE_LICENSE("GPL");
26MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
27MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
28
29char qlcnic_driver_name[] = "qlcnic";
7f9a0c34
SV		 30static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
af19b491 32
f7ec804a 33static struct workqueue_struct *qlcnic_wq;
b5e5492c 34static int qlcnic_mac_learn;
b11a25aa 35module_param(qlcnic_mac_learn, int, 0444);
b5e5492c
AKS		 36MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
37
099f7aa7 38static int qlcnic_use_msi = 1;
af19b491 39MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
099f7aa7 40module_param_named(use_msi, qlcnic_use_msi, int, 0444);
af19b491 41
099f7aa7 42static int qlcnic_use_msi_x = 1;
af19b491 43MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
099f7aa7 44module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
af19b491 45
099f7aa7 46static int qlcnic_auto_fw_reset = 1;
af19b491 47MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
099f7aa7 48module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
af19b491 49
099f7aa7 50static int qlcnic_load_fw_file;
4d5bdb38 51MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
099f7aa7 52module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
4d5bdb38 53
2e9d722d 54static int qlcnic_config_npars;
b11a25aa 55module_param(qlcnic_config_npars, int, 0444);
2e9d722d
AC		 56MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
57
1dd06ae8 58static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6bb58bb0 59static void qlcnic_remove(struct pci_dev *pdev);
af19b491
AKS		 60static int qlcnic_open(struct net_device *netdev);
61static int qlcnic_close(struct net_device *netdev);
af19b491 62static void qlcnic_tx_timeout(struct net_device *netdev);
af19b491
AKS		 63static void qlcnic_attach_work(struct work_struct *work);
64static void qlcnic_fwinit_work(struct work_struct *work);
65static void qlcnic_fw_poll_work(struct work_struct *work);
66static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
67 work_func_t func, int delay);
68static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
af19b491
AKS		 69#ifdef CONFIG_NET_POLL_CONTROLLER
70static void qlcnic_poll_controller(struct net_device *netdev);
71#endif
72
6df900e9 73static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
21854f02 74static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
af19b491
AKS		 75static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
76
7eb9855d 77static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
af19b491
AKS		 78static irqreturn_t qlcnic_intr(int irq, void *data);
79static irqreturn_t qlcnic_msi_intr(int irq, void *data);
80static irqreturn_t qlcnic_msix_intr(int irq, void *data);
81
82static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
aec1e845 83static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
9f26f547
AC		 84static int qlcnic_start_firmware(struct qlcnic_adapter *);
85
b5e5492c 86static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
9f26f547 87static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
9f26f547 88static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
0325d69b
RB		 89static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
90 struct qlcnic_esw_func_cfg *);
8e586137
JP		 91static int qlcnic_vlan_rx_add(struct net_device *, u16);
92static int qlcnic_vlan_rx_del(struct net_device *, u16);
b9796a14 93
bff57d8e
SC		 94#define QLCNIC_IS_TSO_CAPABLE(adapter) \
95 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
96
af19b491
AKS		 97/* PCI Device ID Table */
98#define ENTRY(device) \
99 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
100 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
101
102#define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
103
6a902881 104static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
af19b491
AKS		 105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
106 {0,}
107};
108
109MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
110
111
5ad6ff9d 112inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
af19b491
AKS		 113{
114 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
af19b491
AKS		 115}
116
117static const u32 msi_tgt_status[8] = {
118 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
119 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
120 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
121 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
122};
123
7e2cf4fe
SC		 124static const u32 qlcnic_reg_tbl[] = {
125 0x1B20A8, /* PEG_HALT_STAT1 */
126 0x1B20AC, /* PEG_HALT_STAT2 */
127 0x1B20B0, /* FW_HEARTBEAT */
128 0x1B2100, /* LOCK ID */
129 0x1B2128, /* FW_CAPABILITIES */
130 0x1B2138, /* drv active */
131 0x1B2140, /* dev state */
132 0x1B2144, /* drv state */
133 0x1B2148, /* drv scratch */
134 0x1B214C, /* dev partition info */
135 0x1B2174, /* drv idc ver */
136 0x1B2150, /* fw version major */
137 0x1B2154, /* fw version minor */
138 0x1B2158, /* fw version sub */
139 0x1B219C, /* npar state */
140 0x1B21FC, /* FW_IMG_VALID */
141 0x1B2250, /* CMD_PEG_STATE */
142 0x1B233C, /* RCV_PEG_STATE */
143 0x1B23B4, /* ASIC TEMP */
144 0x1B216C, /* FW api */
145 0x1B2170, /* drv op mode */
146 0x13C010, /* flash lock */
147 0x13C014, /* flash unlock */
148};
149
22999798
SC		 150static const struct qlcnic_board_info qlcnic_boards[] = {
151 {0x1077, 0x8020, 0x1077, 0x203,
152 "8200 Series Single Port 10GbE Converged Network Adapter"
153 "(TCP/IP Networking)"},
154 {0x1077, 0x8020, 0x1077, 0x207,
155 "8200 Series Dual Port 10GbE Converged Network Adapter"
156 "(TCP/IP Networking)"},
157 {0x1077, 0x8020, 0x1077, 0x20b,
158 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
159 {0x1077, 0x8020, 0x1077, 0x20c,
160 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
161 {0x1077, 0x8020, 0x1077, 0x20f,
162 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
163 {0x1077, 0x8020, 0x103c, 0x3733,
164 "NC523SFP 10Gb 2-port Server Adapter"},
165 {0x1077, 0x8020, 0x103c, 0x3346,
166 "CN1000Q Dual Port Converged Network Adapter"},
167 {0x1077, 0x8020, 0x1077, 0x210,
168 "QME8242-k 10GbE Dual Port Mezzanine Card"},
169 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
170};
171
172#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
173
af19b491
AKS		 174static const
175struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
176
c70001a9 177int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
af19b491
AKS		 178{
179 int size = sizeof(struct qlcnic_host_sds_ring) * count;
180
181 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
182
807540ba 183 return recv_ctx->sds_rings == NULL;
af19b491
AKS		 184}
185
c70001a9 186void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
af19b491
AKS		 187{
188 if (recv_ctx->sds_rings != NULL)
189 kfree(recv_ctx->sds_rings);
190
191 recv_ctx->sds_rings = NULL;
192}
193
af19b491
AKS		 194static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
195{
196 u32 control;
197 int pos;
198
199 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
200 if (pos) {
201 pci_read_config_dword(pdev, pos, &control);
202 if (enable)
203 control |= PCI_MSIX_FLAGS_ENABLE;
204 else
205 control = 0;
206 pci_write_config_dword(pdev, pos, control);
207 }
208}
209
210static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
211{
212 int i;
213
214 for (i = 0; i < count; i++)
215 adapter->msix_entries[i].entry = i;
216}
217
218static int
219qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
220{
2e9d722d 221 u8 mac_addr[ETH_ALEN];
af19b491
AKS		 222 struct net_device *netdev = adapter->netdev;
223 struct pci_dev *pdev = adapter->pdev;
224
da48e6c3 225 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
af19b491
AKS		 226 return -EIO;
227
2e9d722d 228 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
af19b491
AKS		 229 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
230 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
231
232 /* set station address */
233
234 if (!is_valid_ether_addr(netdev->perm_addr))
235 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
236 netdev->dev_addr);
237
238 return 0;
239}
240
241static int qlcnic_set_mac(struct net_device *netdev, void *p)
242{
243 struct qlcnic_adapter *adapter = netdev_priv(netdev);
244 struct sockaddr *addr = p;
245
7373373d
RB		 246 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
247 return -EOPNOTSUPP;
248
af19b491 249 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a 250 return -EADDRNOTAVAIL;
af19b491 251
8a15ad1f 252 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 253 netif_device_detach(netdev);
254 qlcnic_napi_disable(adapter);
255 }
256
257 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
258 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
259 qlcnic_set_multi(adapter->netdev);
260
8a15ad1f 261 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
af19b491
AKS		 262 netif_device_attach(netdev);
263 qlcnic_napi_enable(adapter);
264 }
265 return 0;
266}
267
7e2cf4fe
SC		 268static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
269{
270 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
271 usleep_range(10000, 11000);
272
273 cancel_delayed_work_sync(&adapter->fw_work);
274}
275
af19b491
AKS		 276static const struct net_device_ops qlcnic_netdev_ops = {
277 .ndo_open = qlcnic_open,
278 .ndo_stop = qlcnic_close,
279 .ndo_start_xmit = qlcnic_xmit_frame,
280 .ndo_get_stats = qlcnic_get_stats,
281 .ndo_validate_addr = eth_validate_addr,
afc4b13d 282 .ndo_set_rx_mode = qlcnic_set_multi,
af19b491
AKS		 283 .ndo_set_mac_address = qlcnic_set_mac,
284 .ndo_change_mtu = qlcnic_change_mtu,
135d84a9
MM		 285 .ndo_fix_features = qlcnic_fix_features,
286 .ndo_set_features = qlcnic_set_features,
af19b491 287 .ndo_tx_timeout = qlcnic_tx_timeout,
b9796a14
AC		 288 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
289 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
af19b491
AKS		 290#ifdef CONFIG_NET_POLL_CONTROLLER
291 .ndo_poll_controller = qlcnic_poll_controller,
292#endif
293};
294
b43e5ee7
SC		 295static const struct net_device_ops qlcnic_netdev_failed_ops = {
296 .ndo_open = qlcnic_open,
297};
298
2e9d722d 299static struct qlcnic_nic_template qlcnic_ops = {
7e2cf4fe
SC		 300 .config_bridged_mode = qlcnic_config_bridged_mode,
301 .config_led = qlcnic_82xx_config_led,
302 .start_firmware = qlcnic_82xx_start_firmware,
303 .request_reset = qlcnic_82xx_dev_request_reset,
304 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
305 .napi_add = qlcnic_82xx_napi_add,
306 .config_ipaddr = qlcnic_82xx_config_ipaddr,
307 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
308};
309
310struct qlcnic_nic_template qlcnic_vf_ops = {
311 .config_bridged_mode = qlcnicvf_config_bridged_mode,
312 .config_led = qlcnicvf_config_led,
313 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 314};
315
7e2cf4fe
SC		 316static struct qlcnic_hardware_ops qlcnic_hw_ops = {
317 .read_crb = qlcnic_82xx_read_crb,
318 .write_crb = qlcnic_82xx_write_crb,
319 .read_reg = qlcnic_82xx_hw_read_wx_2M,
320 .write_reg = qlcnic_82xx_hw_write_wx_2M,
321 .get_mac_address = qlcnic_82xx_get_mac_address,
322 .setup_intr = qlcnic_82xx_setup_intr,
323 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
324 .mbx_cmd = qlcnic_82xx_issue_cmd,
325 .get_func_no = qlcnic_82xx_get_func_no,
326 .api_lock = qlcnic_82xx_api_lock,
327 .api_unlock = qlcnic_82xx_api_unlock,
328 .add_sysfs = qlcnic_82xx_add_sysfs,
329 .remove_sysfs = qlcnic_82xx_remove_sysfs,
330 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
331 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
332 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
333 .setup_link_event = qlcnic_82xx_linkevent_request,
334 .get_nic_info = qlcnic_82xx_get_nic_info,
335 .get_pci_info = qlcnic_82xx_get_pci_info,
336 .set_nic_info = qlcnic_82xx_set_nic_info,
337 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
338 .napi_enable = qlcnic_82xx_napi_enable,
339 .napi_disable = qlcnic_82xx_napi_disable,
340 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
341 .config_rss = qlcnic_82xx_config_rss,
342 .config_hw_lro = qlcnic_82xx_config_hw_lro,
343 .config_loopback = qlcnic_82xx_set_lb_mode,
344 .clear_loopback = qlcnic_82xx_clear_lb_mode,
345 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
346 .change_l2_filter = qlcnic_82xx_change_filter,
347 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 348};
349
7f966452 350int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 351{
af19b491 352 struct pci_dev *pdev = adapter->pdev;
f94bc1e7 353 int err = -1;
af19b491
AKS		 354
355 adapter->max_sds_rings = 1;
af19b491 356 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491
AKS		 357 qlcnic_set_msix_bit(pdev, 0);
358
79788450 359 if (adapter->ahw->msix_supported) {
f94bc1e7 360 enable_msix:
af19b491
AKS		 361 qlcnic_init_msix_entries(adapter, num_msix);
362 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
363 if (err == 0) {
364 adapter->flags |= QLCNIC_MSIX_ENABLED;
365 qlcnic_set_msix_bit(pdev, 1);
366
b1fc6d3c 367 adapter->max_sds_rings = num_msix;
af19b491
AKS		 368
369 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 370 return err;
af19b491 371 }
f94bc1e7
SC		 372 if (err > 0) {
373 num_msix = rounddown_pow_of_two(err);
374 if (num_msix)
375 goto enable_msix;
376 }
377 }
378 return err;
379}
af19b491 380
f94bc1e7
SC		 381static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
382{
15087c2b 383 u32 offset, mask_reg;
f94bc1e7 384 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 385 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 386 struct pci_dev *pdev = adapter->pdev;
af19b491 387
099f7aa7 388 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 389 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 390 offset = msi_tgt_status[adapter->ahw->pci_func];
391 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
392 offset);
af19b491
AKS		 393 dev_info(&pdev->dev, "using msi interrupts\n");
394 adapter->msix_entries[0].vector = pdev->irq;
395 return;
396 }
397
f94bc1e7 398 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 399 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 400 offset = legacy_intrp->tgt_status_reg;
401 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
402 mask_reg = legacy_intrp->tgt_mask_reg;
403 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
404 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
405 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 406 dev_info(&pdev->dev, "using legacy interrupts\n");
407 adapter->msix_entries[0].vector = pdev->irq;
408}
409
7e2cf4fe 410int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 411{
7e2cf4fe 412 int num_msix, err;
f94bc1e7 413
7e2cf4fe
SC		 414 if (!num_intr)
415 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
416
417 if (adapter->ahw->msix_supported)
5f6ec29a 418 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 419 num_intr));
420 else
f94bc1e7
SC		 421 num_msix = 1;
422
7e2cf4fe
SC		 423 err = qlcnic_enable_msix(adapter, num_msix);
424 if (err == -ENOMEM || !err)
425 return err;
f94bc1e7
SC		 426
427 qlcnic_enable_msi_legacy(adapter);
7e2cf4fe 428 return 0;
f94bc1e7 429}
af19b491
AKS		 430static void
431qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
432{
433 if (adapter->flags & QLCNIC_MSIX_ENABLED)
434 pci_disable_msix(adapter->pdev);
435 if (adapter->flags & QLCNIC_MSI_ENABLED)
436 pci_disable_msi(adapter->pdev);
437}
438
439static void
440qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
441{
b1fc6d3c
AC		 442 if (adapter->ahw->pci_base0 != NULL)
443 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 444}
445
7e2cf4fe
SC		 446static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
447{
448 struct qlcnic_pci_info *pci_info;
449 int ret;
450
451 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
452 switch (adapter->ahw->port_type) {
453 case QLCNIC_GBE:
454 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
455 break;
456 case QLCNIC_XGBE:
457 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
458 break;
459 }
460 return 0;
461 }
462
463 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
464 return 0;
465
466 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
467 if (!pci_info)
468 return -ENOMEM;
469
470 ret = qlcnic_get_pci_info(adapter, pci_info);
471 kfree(pci_info);
472 return ret;
473}
bff57d8e 474static int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 475{
e88db3bd 476 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 477 int i, ret = 0, j = 0;
478 u16 act_pci_func;
346fe763
RB		 479 u8 pfn;
480
e88db3bd
DC		 481 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
482 if (!pci_info)
483 return -ENOMEM;
484
bff57d8e
SC		 485 ret = qlcnic_get_pci_info(adapter, pci_info);
486 if (ret)
487 goto err_pci_info;
488
489 act_pci_func = adapter->ahw->act_pci_func;
490
ca315ac2 491 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 492 act_pci_func, GFP_KERNEL);
e88db3bd 493 if (!adapter->npars) {
900853a4 494 ret = -ENOMEM;
e88db3bd
DC		 495 goto err_pci_info;
496 }
346fe763 497
ca315ac2 498 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 499 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
500 if (!adapter->eswitch) {
900853a4 501 ret = -ENOMEM;
ca315ac2 502 goto err_npars;
346fe763
RB		 503 }
504
ca315ac2
DC		 505 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
506 pfn = pci_info[i].id;
bff57d8e 507
0f6efff9 508 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 509 ret = QL_STATUS_INVALID_PARAM;
510 goto err_eswitch;
511 }
bff57d8e
SC		 512
513 if (!pci_info[i].active ||
514 (pci_info[i].type != QLCNIC_TYPE_NIC))
515 continue;
516
517 adapter->npars[j].pci_func = pfn;
518 adapter->npars[j].active = (u8)pci_info[i].active;
519 adapter->npars[j].type = (u8)pci_info[i].type;
520 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
521 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
522 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
523 j++;
346fe763
RB		 524 }
525
ca315ac2
DC		 526 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
527 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
528
e88db3bd 529 kfree(pci_info);
ca315ac2
DC		 530 return 0;
531
532err_eswitch:
346fe763
RB		 533 kfree(adapter->eswitch);
534 adapter->eswitch = NULL;
ca315ac2 535err_npars:
346fe763 536 kfree(adapter->npars);
ca315ac2 537 adapter->npars = NULL;
e88db3bd
DC		 538err_pci_info:
539 kfree(pci_info);
346fe763
RB		 540
541 return ret;
542}
543
2e9d722d
AC		 544static int
545qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
546{
547 u8 id;
2e9d722d
AC		 548 int i, ret = 1;
549 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 550 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 551
2e9d722d
AC		 552 ret = qlcnic_api_lock(adapter);
553 if (ret)
554 goto err_lock;
2e9d722d 555
0e33c664 556 if (qlcnic_config_npars) {
bff57d8e
SC		 557 for (i = 0; i < ahw->act_pci_func; i++) {
558 id = adapter->npars[i].pci_func;
559 if (id == ahw->pci_func)
0e33c664
AC		 560 continue;
561 data |= (qlcnic_config_npars &
562 QLC_DEV_SET_DRV(0xf, id));
563 }
564 } else {
a15ebd37 565 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 566 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 567 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 568 ahw->pci_func));
2e9d722d 569 }
a15ebd37 570 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 571 qlcnic_api_unlock(adapter);
572err_lock:
573 return ret;
574}
575
0866d96d
AC		 576static void
577qlcnic_check_vf(struct qlcnic_adapter *adapter)
2e9d722d
AC		 578{
579 void __iomem *msix_base_addr;
580 void __iomem *priv_op;
581 u32 func;
582 u32 msix_base;
583 u32 op_mode, priv_level;
584
585 /* Determine FW API version */
79788450
SC		 586 adapter->ahw->fw_hal_version = readl(adapter->ahw->pci_base0 +
587 QLCNIC_FW_API);
2e9d722d
AC		 588
589 /* Find PCI function number */
590 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
b1fc6d3c 591 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
2e9d722d
AC		 592 msix_base = readl(msix_base_addr);
593 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
b1fc6d3c 594 adapter->ahw->pci_func = func;
2e9d722d
AC		 595
596 /* Determine function privilege level */
b1fc6d3c 597 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
2e9d722d 598 op_mode = readl(priv_op);
0e33c664 599 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 600 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 601 else
b1fc6d3c 602 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 603
0866d96d 604 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 605 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 606 dev_info(&adapter->pdev->dev,
607 "HAL Version: %d Non Privileged function\n",
79788450 608 adapter->ahw->fw_hal_version);
9f26f547 609 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 610 } else
611 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 612}
613
15087c2b
SC		 614#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
615static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
616{
617 switch (dev_id) {
618 case PCI_DEVICE_ID_QLOGIC_QLE824X:
619 *bar = QLCNIC_82XX_BAR0_LENGTH;
620 break;
621 default:
622 *bar = 0;
623 }
624}
625
626static int qlcnic_setup_pci_map(struct pci_dev *pdev,
627 struct qlcnic_hardware_context *ahw)
af19b491 628{
15087c2b 629 u32 offset;
af19b491 630 void __iomem *mem_ptr0 = NULL;
15087c2b 631 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 632
af19b491 633 /* remap phys address */
af19b491
AKS		 634 mem_len = pci_resource_len(pdev, 0);
635
15087c2b
SC		 636 qlcnic_get_bar_length(pdev->device, &bar0_len);
637 if (mem_len >= bar0_len) {
af19b491
AKS		 638
639 mem_ptr0 = pci_ioremap_bar(pdev, 0);
640 if (mem_ptr0 == NULL) {
641 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
642 return -EIO;
643 }
644 pci_len0 = mem_len;
645 } else {
646 return -EIO;
647 }
648
649 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 650
15087c2b
SC		 651 ahw->pci_base0 = mem_ptr0;
652 ahw->pci_len0 = pci_len0;
653 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
654 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 655
656 return 0;
657}
658
22999798 659static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 660{
661 struct pci_dev *pdev = adapter->pdev;
662 int i, found = 0;
663
664 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
665 if (qlcnic_boards[i].vendor == pdev->vendor &&
666 qlcnic_boards[i].device == pdev->device &&
667 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
668 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 669 sprintf(name, "%pM: %s" ,
670 adapter->mac_addr,
671 qlcnic_boards[i].short_name);
af19b491
AKS		 672 found = 1;
673 break;
674 }
675
676 }
677
678 if (!found)
7f9a0c34 679 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 680}
681
682static void
683qlcnic_check_options(struct qlcnic_adapter *adapter)
684{
a15ebd37 685 int err;
031a4a26 686 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 687 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 688 struct qlcnic_hardware_context *ahw = adapter->ahw;
689 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 690
691 prev_fw_version = adapter->fw_version;
af19b491 692
a15ebd37
HM		 693 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
694 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
695 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 696
697 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
698
a15ebd37
HM		 699 err = qlcnic_get_board_info(adapter);
700 if (err) {
701 dev_err(&pdev->dev, "Error getting board config info.\n");
702 return;
703 }
704 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 705 if (fw_dump->tmpl_hdr == NULL ||
706 adapter->fw_version > prev_fw_version) {
707 if (fw_dump->tmpl_hdr)
708 vfree(fw_dump->tmpl_hdr);
709 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
710 dev_info(&pdev->dev,
711 "Supports FW dump capability\n");
712 }
713 }
714
251a84c9
AKS		 715 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
716 fw_major, fw_minor, fw_build);
b1fc6d3c 717 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 718 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
719 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
720 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
721 } else {
722 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
723 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
724 }
725
af19b491 726 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 727 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
728
b1fc6d3c 729 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 730 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
731 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 732 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
733 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 734 }
735
099f7aa7 736 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 737
738 adapter->num_txd = MAX_CMD_DESCRIPTORS;
739
251b036a 740 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 741}
742
174240a8
RB		 743static int
744qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
745{
746 int err;
747 struct qlcnic_info nic_info;
748
bff57d8e 749 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 750 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 751 if (err)
752 return err;
753
79788450
SC		 754 adapter->ahw->physical_port = (u8)nic_info.phys_port;
755 adapter->ahw->switch_mode = nic_info.switch_mode;
756 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
757 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
758 adapter->ahw->capabilities = nic_info.capabilities;
759 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
760 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 761
79788450 762 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 763 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
764 else
765 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
766
767 return err;
768}
769
ec079a07
SC		 770void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
771 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 772{
773 if (esw_cfg->discard_tagged)
774 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
775 else
776 adapter->flags |= QLCNIC_TAGGING_ENABLED;
777
778 if (esw_cfg->vlan_id)
779 adapter->pvid = esw_cfg->vlan_id;
780 else
781 adapter->pvid = 0;
782}
783
8e586137 784static int
b9796a14
AC		 785qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
786{
787 struct qlcnic_adapter *adapter = netdev_priv(netdev);
788 set_bit(vid, adapter->vlans);
8e586137 789 return 0;
b9796a14
AC		 790}
791
8e586137 792static int
b9796a14
AC		 793qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
794{
795 struct qlcnic_adapter *adapter = netdev_priv(netdev);
796
797 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
798 clear_bit(vid, adapter->vlans);
8e586137 799 return 0;
b9796a14
AC		 800}
801
ec079a07
SC		 802void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
803 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 804{
ee07c1a7
RB		 805 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
806 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 807
808 if (esw_cfg->mac_anti_spoof)
809 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 810
7373373d
RB		 811 if (!esw_cfg->mac_override)
812 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
813
ee07c1a7
RB		 814 if (!esw_cfg->promisc_mode)
815 adapter->flags |= QLCNIC_PROMISC_DISABLED;
816
0325d69b
RB		 817 qlcnic_set_netdev_features(adapter, esw_cfg);
818}
819
ec079a07 820static int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 821{
822 struct qlcnic_esw_func_cfg esw_cfg;
823
824 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
825 return 0;
826
b1fc6d3c 827 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 828 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
829 return -EIO;
8cf61f89 830 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 831 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
832
833 return 0;
834}
835
836static void
837qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
838 struct qlcnic_esw_func_cfg *esw_cfg)
839{
840 struct net_device *netdev = adapter->netdev;
c8f44aff 841 netdev_features_t features, vlan_features;
0325d69b 842
135d84a9 843 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
0325d69b
RB		 844 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
845 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
b9796a14 846 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
0325d69b 847
79788450 848 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
0325d69b
RB		 849 features |= (NETIF_F_TSO | NETIF_F_TSO6);
850 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
851 }
b56421d0
RB		 852
853 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 854 features |= NETIF_F_LRO;
855
856 if (esw_cfg->offload_flags & BIT_0) {
857 netdev->features |= features;
0325d69b
RB		 858 if (!(esw_cfg->offload_flags & BIT_1))
859 netdev->features &= ~NETIF_F_TSO;
860 if (!(esw_cfg->offload_flags & BIT_2))
861 netdev->features &= ~NETIF_F_TSO6;
862 } else {
863 netdev->features &= ~features;
0325d69b
RB		 864 }
865
866 netdev->vlan_features = (features & vlan_features);
867}
868
0866d96d
AC		 869static int
870qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
871{
872 void __iomem *priv_op;
873 u32 op_mode, priv_level;
874 int err = 0;
875
174240a8
RB		 876 err = qlcnic_initialize_nic(adapter);
877 if (err)
878 return err;
879
0866d96d
AC		 880 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
881 return 0;
882
b1fc6d3c 883 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
0866d96d 884 op_mode = readl(priv_op);
b1fc6d3c 885 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 886
887 if (op_mode == QLC_DEV_DRV_DEFAULT)
888 priv_level = QLCNIC_MGMT_FUNC;
889 else
b1fc6d3c 890 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 891
174240a8 892 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 893 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 894 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 895 err = qlcnic_init_pci_info(adapter);
896 if (err)
897 return err;
898 /* Set privilege level for other functions */
899 qlcnic_set_function_modes(adapter);
900 dev_info(&adapter->pdev->dev,
901 "HAL Version: %d, Management function\n",
79788450 902 adapter->ahw->fw_hal_version);
0866d96d 903 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 904 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 905 dev_info(&adapter->pdev->dev,
906 "HAL Version: %d, Privileged function\n",
79788450 907 adapter->ahw->fw_hal_version);
0866d96d 908 }
174240a8 909 }
0866d96d
AC		 910
911 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
912
913 return err;
914}
915
bff57d8e 916static int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 917{
918 struct qlcnic_esw_func_cfg esw_cfg;
919 struct qlcnic_npar_info *npar;
920 u8 i;
921
174240a8 922 if (adapter->need_fw_reset)
0325d69b
RB		 923 return 0;
924
bff57d8e 925 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 926 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 927 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 928 esw_cfg.mac_override = BIT_0;
ee07c1a7 929 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 930 if (qlcnic_82xx_check(adapter)) {
931 esw_cfg.offload_flags = BIT_0;
932 if (QLCNIC_IS_TSO_CAPABLE(adapter))
933 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
934 }
0325d69b
RB		 935 if (qlcnic_config_switch_port(adapter, &esw_cfg))
936 return -EIO;
937 npar = &adapter->npars[i];
938 npar->pvid = esw_cfg.vlan_id;
7373373d 939 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 940 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
941 npar->discard_tagged = esw_cfg.discard_tagged;
942 npar->promisc_mode = esw_cfg.promisc_mode;
943 npar->offload_flags = esw_cfg.offload_flags;
944 }
945
946 return 0;
947}
948
4e8acb01
RB		 949static int
950qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
951 struct qlcnic_npar_info *npar, int pci_func)
952{
953 struct qlcnic_esw_func_cfg esw_cfg;
954 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
955 esw_cfg.pci_func = pci_func;
956 esw_cfg.vlan_id = npar->pvid;
7373373d 957 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 958 esw_cfg.discard_tagged = npar->discard_tagged;
959 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
960 esw_cfg.offload_flags = npar->offload_flags;
961 esw_cfg.promisc_mode = npar->promisc_mode;
962 if (qlcnic_config_switch_port(adapter, &esw_cfg))
963 return -EIO;
964
965 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
966 if (qlcnic_config_switch_port(adapter, &esw_cfg))
967 return -EIO;
968
969 return 0;
970}
971
bff57d8e 972static int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 973{
4e8acb01 974 int i, err;
cea8975e
AC		 975 struct qlcnic_npar_info *npar;
976 struct qlcnic_info nic_info;
bff57d8e 977 u8 pci_func;
cea8975e 978
bff57d8e
SC		 979 if (qlcnic_82xx_check(adapter))
980 if (!adapter->need_fw_reset)
981 return 0;
cea8975e 982
4e8acb01 983 /* Set the NPAR config data after FW reset */
bff57d8e 984 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 985 npar = &adapter->npars[i];
bff57d8e
SC		 986 pci_func = npar->pci_func;
987 memset(&nic_info, 0, sizeof(struct qlcnic_info));
988 err = qlcnic_get_nic_info(adapter,
989 &nic_info, pci_func);
4e8acb01
RB		 990 if (err)
991 return err;
992 nic_info.min_tx_bw = npar->min_bw;
993 nic_info.max_tx_bw = npar->max_bw;
994 err = qlcnic_set_nic_info(adapter, &nic_info);
995 if (err)
996 return err;
cea8975e 997
4e8acb01
RB		 998 if (npar->enable_pm) {
999 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1000 npar->dest_npar, 1,
1001 pci_func);
4e8acb01
RB		 1002 if (err)
1003 return err;
cea8975e 1004 }
bff57d8e 1005 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1006 if (err)
1007 return err;
cea8975e 1008 }
4e8acb01 1009 return 0;
cea8975e
AC		 1010}
1011
78f84e1a
AKS		 1012static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1013{
1014 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1015 u32 npar_state;
1016
79788450 1017 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1018 return 0;
1019
a15ebd37
HM		 1020 npar_state = QLC_SHARED_REG_RD32(adapter,
1021 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1022 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1023 msleep(1000);
a15ebd37
HM		 1024 npar_state = QLC_SHARED_REG_RD32(adapter,
1025 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1026 }
1027 if (!npar_opt_timeo) {
1028 dev_err(&adapter->pdev->dev,
1029 "Waiting for NPAR state to opertional timeout\n");
1030 return -EIO;
1031 }
1032 return 0;
1033}
1034
174240a8
RB		 1035static int
1036qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1037{
1038 int err;
1039
1040 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1041 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1042 return 0;
1043
1044 err = qlcnic_set_default_offload_settings(adapter);
1045 if (err)
1046 return err;
1047
1048 err = qlcnic_reset_npar_config(adapter);
1049 if (err)
1050 return err;
1051
1052 qlcnic_dev_set_npar_ready(adapter);
1053
1054 return err;
1055}
1056
7e2cf4fe 1057int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1058{
d4066833 1059 int err;
af19b491 1060
aa5e18c0
SC		 1061 err = qlcnic_can_start_firmware(adapter);
1062 if (err < 0)
1063 return err;
1064 else if (!err)
d4066833 1065 goto check_fw_status;
af19b491 1066
099f7aa7 1067 if (qlcnic_load_fw_file)
4d5bdb38 1068 qlcnic_request_firmware(adapter);
8f891387 1069 else {
8cfdce08
SC		 1070 err = qlcnic_check_flash_fw_ver(adapter);
1071 if (err)
8f891387 1072 goto err_out;
1073
79788450 1074 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1075 }
af19b491
AKS		 1076
1077 err = qlcnic_need_fw_reset(adapter);
af19b491 1078 if (err == 0)
4e70812b 1079 goto check_fw_status;
af19b491 1080
d4066833
SC		 1081 err = qlcnic_pinit_from_rom(adapter);
1082 if (err)
1083 goto err_out;
af19b491
AKS		 1084
1085 err = qlcnic_load_firmware(adapter);
1086 if (err)
1087 goto err_out;
1088
1089 qlcnic_release_firmware(adapter);
d4066833 1090 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1091
d4066833
SC		 1092check_fw_status:
1093 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1094 if (err)
1095 goto err_out;
1096
a15ebd37 1097 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1098 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1099 err = qlcnic_check_eswitch_mode(adapter);
1100 if (err) {
1101 dev_err(&adapter->pdev->dev,
1102 "Memory allocation failed for eswitch\n");
1103 goto err_out;
1104 }
174240a8
RB		 1105 err = qlcnic_set_mgmt_operations(adapter);
1106 if (err)
1107 goto err_out;
1108
1109 qlcnic_check_options(adapter);
af19b491
AKS		 1110 adapter->need_fw_reset = 0;
1111
a7fc948f
AKS		 1112 qlcnic_release_firmware(adapter);
1113 return 0;
af19b491
AKS		 1114
1115err_out:
a15ebd37 1116 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1117 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1118
af19b491
AKS		 1119 qlcnic_release_firmware(adapter);
1120 return err;
1121}
1122
1123static int
1124qlcnic_request_irq(struct qlcnic_adapter *adapter)
1125{
1126 irq_handler_t handler;
1127 struct qlcnic_host_sds_ring *sds_ring;
1128 int err, ring;
1129
1130 unsigned long flags = 0;
1131 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1132 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1133
79788450 1134 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
7eb9855d
AKS		 1135 handler = qlcnic_tmp_intr;
1136 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1137 flags |= IRQF_SHARED;
1138
1139 } else {
1140 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1141 handler = qlcnic_msix_intr;
1142 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1143 handler = qlcnic_msi_intr;
1144 else {
1145 flags |= IRQF_SHARED;
1146 handler = qlcnic_intr;
1147 }
af19b491
AKS		 1148 }
1149 adapter->irq = netdev->irq;
1150
1151 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1152 sds_ring = &recv_ctx->sds_rings[ring];
1153 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1154 err = request_irq(sds_ring->irq, handler,
1155 flags, sds_ring->name, sds_ring);
1156 if (err)
1157 return err;
1158 }
1159
1160 return 0;
1161}
1162
1163static void
1164qlcnic_free_irq(struct qlcnic_adapter *adapter)
1165{
1166 int ring;
1167 struct qlcnic_host_sds_ring *sds_ring;
1168
b1fc6d3c 1169 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491
AKS		 1170
1171 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1172 sds_ring = &recv_ctx->sds_rings[ring];
1173 free_irq(sds_ring->irq, sds_ring);
1174 }
1175}
1176
af19b491
AKS		 1177static int
1178__qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1179{
8a15ad1f 1180 int ring;
cae82d49
RB		 1181 u32 capab2;
1182
8a15ad1f
AKS		 1183 struct qlcnic_host_rds_ring *rds_ring;
1184
af19b491
AKS		 1185 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1186 return -EIO;
1187
8a15ad1f
AKS		 1188 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1189 return 0;
0325d69b
RB		 1190 if (qlcnic_set_eswitch_port_config(adapter))
1191 return -EIO;
8a15ad1f 1192
79788450 1193 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1194 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1195 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1196 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1197 }
1198
8a15ad1f
AKS		 1199 if (qlcnic_fw_create_ctx(adapter))
1200 return -EIO;
1201
1202 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c
AC		 1203 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1204 qlcnic_post_rx_buffers(adapter, rds_ring);
8a15ad1f
AKS		 1205 }
1206
af19b491
AKS		 1207 qlcnic_set_multi(netdev);
1208 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1209
b1fc6d3c 1210 adapter->ahw->linkup = 0;
af19b491
AKS		 1211
1212 if (adapter->max_sds_rings > 1)
1213 qlcnic_config_rss(adapter, 1);
1214
1215 qlcnic_config_intr_coalesce(adapter);
1216
24763d80 1217 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1218 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1219
1220 qlcnic_napi_enable(adapter);
1221
1222 qlcnic_linkevent_request(adapter, 1);
1223
79788450 1224 adapter->ahw->reset_context = 0;
af19b491
AKS		 1225 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1226 return 0;
1227}
1228
1229/* Usage: During resume and firmware recovery module.*/
1230
1231static int
1232qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1233{
1234 int err = 0;
1235
1236 rtnl_lock();
1237 if (netif_running(netdev))
1238 err = __qlcnic_up(adapter, netdev);
1239 rtnl_unlock();
1240
1241 return err;
1242}
1243
1244static void
1245__qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1246{
1247 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1248 return;
1249
1250 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1251 return;
1252
1253 smp_mb();
1254 spin_lock(&adapter->tx_clean_lock);
1255 netif_carrier_off(netdev);
1256 netif_tx_disable(netdev);
1257
1258 qlcnic_free_mac_list(adapter);
1259
b5e5492c
AKS		 1260 if (adapter->fhash.fnum)
1261 qlcnic_delete_lb_filters(adapter);
1262
af19b491
AKS		 1263 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1264
1265 qlcnic_napi_disable(adapter);
1266
8a15ad1f 1267 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1268 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1269
1270 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1271 qlcnic_release_tx_buffers(adapter);
1272 spin_unlock(&adapter->tx_clean_lock);
1273}
1274
1275/* Usage: During suspend and firmware recovery module */
1276
1277static void
1278qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1279{
1280 rtnl_lock();
1281 if (netif_running(netdev))
1282 __qlcnic_down(adapter, netdev);
1283 rtnl_unlock();
1284
1285}
1286
1287static int
1288qlcnic_attach(struct qlcnic_adapter *adapter)
1289{
1290 struct net_device *netdev = adapter->netdev;
1291 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1292 int err;
af19b491
AKS		 1293
1294 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1295 return 0;
1296
af19b491
AKS		 1297 err = qlcnic_napi_add(adapter, netdev);
1298 if (err)
1299 return err;
1300
1301 err = qlcnic_alloc_sw_resources(adapter);
1302 if (err) {
1303 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1304 goto err_out_napi_del;
af19b491
AKS		 1305 }
1306
1307 err = qlcnic_alloc_hw_resources(adapter);
1308 if (err) {
1309 dev_err(&pdev->dev, "Error in setting hw resources\n");
1310 goto err_out_free_sw;
1311 }
1312
af19b491
AKS		 1313 err = qlcnic_request_irq(adapter);
1314 if (err) {
1315 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1316 goto err_out_free_hw;
af19b491
AKS		 1317 }
1318
af19b491
AKS		 1319 qlcnic_create_sysfs_entries(adapter);
1320
1321 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1322 return 0;
1323
8a15ad1f 1324err_out_free_hw:
af19b491
AKS		 1325 qlcnic_free_hw_resources(adapter);
1326err_out_free_sw:
1327 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1328err_out_napi_del:
1329 qlcnic_napi_del(adapter);
af19b491
AKS		 1330 return err;
1331}
1332
1333static void
1334qlcnic_detach(struct qlcnic_adapter *adapter)
1335{
1336 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1337 return;
1338
1339 qlcnic_remove_sysfs_entries(adapter);
1340
1341 qlcnic_free_hw_resources(adapter);
1342 qlcnic_release_rx_buffers(adapter);
1343 qlcnic_free_irq(adapter);
1344 qlcnic_napi_del(adapter);
1345 qlcnic_free_sw_resources(adapter);
1346
1347 adapter->is_up = 0;
1348}
1349
7eb9855d
AKS		 1350void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1351{
1352 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1353 struct qlcnic_host_sds_ring *sds_ring;
1354 int ring;
1355
78ad3892 1356 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1357 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1358 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1359 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1360 qlcnic_disable_int(sds_ring);
1361 }
7eb9855d
AKS		 1362 }
1363
8a15ad1f
AKS		 1364 qlcnic_fw_destroy_ctx(adapter);
1365
7eb9855d
AKS		 1366 qlcnic_detach(adapter);
1367
79788450 1368 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1369 adapter->max_sds_rings = max_sds_rings;
1370
1371 if (qlcnic_attach(adapter))
34ce3626 1372 goto out;
7eb9855d
AKS		 1373
1374 if (netif_running(netdev))
1375 __qlcnic_up(adapter, netdev);
34ce3626 1376out:
7eb9855d
AKS		 1377 netif_device_attach(netdev);
1378}
1379
b1fc6d3c
AC		 1380static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1381{
1382 int err = 0;
1383 adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1384 GFP_KERNEL);
1385 if (!adapter->ahw) {
1386 dev_err(&adapter->pdev->dev,
1387 "Failed to allocate recv ctx resources for adapter\n");
1388 err = -ENOMEM;
1389 goto err_out;
1390 }
1391 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1392 GFP_KERNEL);
1393 if (!adapter->recv_ctx) {
1394 dev_err(&adapter->pdev->dev,
1395 "Failed to allocate recv ctx resources for adapter\n");
1396 kfree(adapter->ahw);
1397 adapter->ahw = NULL;
1398 err = -ENOMEM;
8816d009 1399 goto err_out;
b1fc6d3c 1400 }
8816d009
AC		 1401 /* Initialize interrupt coalesce parameters */
1402 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1403 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1404 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
b1fc6d3c
AC		 1405err_out:
1406 return err;
1407}
1408
1409static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1410{
1411 kfree(adapter->recv_ctx);
1412 adapter->recv_ctx = NULL;
1413
18f2f616
AC		 1414 if (adapter->ahw->fw_dump.tmpl_hdr) {
1415 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1416 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1417 }
b1fc6d3c
AC		 1418 kfree(adapter->ahw);
1419 adapter->ahw = NULL;
1420}
1421
7eb9855d
AKS		 1422int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1423{
1424 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1425 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1426 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1427 int ring;
1428 int ret;
1429
1430 netif_device_detach(netdev);
1431
1432 if (netif_running(netdev))
1433 __qlcnic_down(adapter, netdev);
1434
1435 qlcnic_detach(adapter);
1436
1437 adapter->max_sds_rings = 1;
79788450 1438 adapter->ahw->diag_test = test;
7eb9855d
AKS		 1439
1440 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1441 if (ret) {
1442 netif_device_attach(netdev);
7eb9855d 1443 return ret;
34ce3626 1444 }
7eb9855d 1445
8a15ad1f
AKS		 1446 ret = qlcnic_fw_create_ctx(adapter);
1447 if (ret) {
1448 qlcnic_detach(adapter);
57e46248 1449 netif_device_attach(netdev);
8a15ad1f
AKS		 1450 return ret;
1451 }
1452
1453 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c
AC		 1454 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1455 qlcnic_post_rx_buffers(adapter, rds_ring);
8a15ad1f
AKS		 1456 }
1457
79788450 1458 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1459 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1460 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1461 qlcnic_enable_int(sds_ring);
1462 }
7eb9855d 1463 }
22c8c934 1464
79788450 1465 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1466 adapter->ahw->loopback_state = 0;
1467 qlcnic_linkevent_request(adapter, 1);
1468 }
1469
78ad3892 1470 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1471
1472 return 0;
1473}
1474
68bf1c68
AKS		 1475/* Reset context in hardware only */
1476static int
1477qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1478{
1479 struct net_device *netdev = adapter->netdev;
1480
1481 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1482 return -EBUSY;
1483
1484 netif_device_detach(netdev);
1485
1486 qlcnic_down(adapter, netdev);
1487
1488 qlcnic_up(adapter, netdev);
1489
1490 netif_device_attach(netdev);
1491
1492 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1493 return 0;
1494}
1495
af19b491
AKS		 1496int
1497qlcnic_reset_context(struct qlcnic_adapter *adapter)
1498{
1499 int err = 0;
1500 struct net_device *netdev = adapter->netdev;
1501
1502 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1503 return -EBUSY;
1504
1505 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1506
1507 netif_device_detach(netdev);
1508
1509 if (netif_running(netdev))
1510 __qlcnic_down(adapter, netdev);
1511
1512 qlcnic_detach(adapter);
1513
1514 if (netif_running(netdev)) {
1515 err = qlcnic_attach(adapter);
1d5c88e3 1516 if (!err) {
34ce3626 1517 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1518 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1519 }
af19b491
AKS		 1520 }
1521
1522 netif_device_attach(netdev);
1523 }
1524
af19b491
AKS		 1525 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1526 return err;
1527}
1528
1529static int
5ad6ff9d
SC		 1530qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1531 int pci_using_dac)
af19b491
AKS		 1532{
1533 int err;
1534 struct pci_dev *pdev = adapter->pdev;
1535
79788450
SC		 1536 adapter->ahw->mc_enabled = 0;
1537 adapter->ahw->max_mc_count = 38;
af19b491
AKS		 1538
1539 netdev->netdev_ops = &qlcnic_netdev_ops;
ef71ff83 1540 netdev->watchdog_timeo = 5*HZ;
af19b491
AKS		 1541
1542 qlcnic_change_mtu(netdev, netdev->mtu);
1543
1544 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1545
135d84a9
MM		 1546 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1547 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
ac8d0c4f 1548
79788450 1549 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
135d84a9 1550 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
5ad6ff9d 1551 if (pci_using_dac == 1)
135d84a9 1552 netdev->hw_features |= NETIF_F_HIGHDMA;
af19b491 1553
135d84a9 1554 netdev->vlan_features = netdev->hw_features;
af19b491 1555
79788450 1556 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
135d84a9 1557 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
79788450 1558 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
135d84a9
MM		 1559 netdev->hw_features |= NETIF_F_LRO;
1560
1561 netdev->features |= netdev->hw_features |
1562 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1563
af19b491
AKS		 1564 netdev->irq = adapter->msix_entries[0].vector;
1565
af19b491
AKS		 1566 err = register_netdev(netdev);
1567 if (err) {
1568 dev_err(&pdev->dev, "failed to register net device\n");
1569 return err;
1570 }
1571
1572 return 0;
1573}
1574
5ad6ff9d 1575static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1576{
1577 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1578 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1579 *pci_using_dac = 1;
1580 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1581 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1582 *pci_using_dac = 0;
1583 else {
1584 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1585 return -EIO;
1586 }
1587
1588 return 0;
1589}
1590
f94bc1e7
SC		 1591static int
1592qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1593{
1594 adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1595 GFP_KERNEL);
1596
1597 if (adapter->msix_entries)
1598 return 0;
1599
1600 dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1601 return -ENOMEM;
1602}
1603
7e2cf4fe 1604static int __devinit
af19b491
AKS		 1605qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1606{
1607 struct net_device *netdev = NULL;
1608 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1609 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1610 int err, pci_using_dac = -1;
22999798 1611 char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1612
1613 err = pci_enable_device(pdev);
1614 if (err)
1615 return err;
1616
1617 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1618 err = -ENODEV;
1619 goto err_out_disable_pdev;
1620 }
1621
1bb09fb9
AKS		 1622 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1623 if (err)
1624 goto err_out_disable_pdev;
1625
af19b491
AKS		 1626 err = pci_request_regions(pdev, qlcnic_driver_name);
1627 if (err)
1628 goto err_out_disable_pdev;
1629
1630 pci_set_master(pdev);
451724c8 1631 pci_enable_pcie_error_reporting(pdev);
af19b491 1632
7e2cf4fe
SC		 1633 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1634 if (!ahw)
1635 goto err_out_free_res;
1636
1637 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1638 ahw->hw_ops = &qlcnic_hw_ops;
1639 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
1640 }
1641
1642 err = qlcnic_setup_pci_map(pdev, ahw);
1643 if (err)
1644 goto err_out_free_hw_res;
1645
af19b491
AKS		 1646 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1647 if (!netdev) {
af19b491 1648 err = -ENOMEM;
7e2cf4fe 1649 goto err_out_iounmap;
af19b491
AKS		 1650 }
1651
1652 SET_NETDEV_DEV(netdev, &pdev->dev);
1653
1654 adapter = netdev_priv(netdev);
1655 adapter->netdev = netdev;
1656 adapter->pdev = pdev;
af19b491 1657
2dfc9671
PST		 1658 err = qlcnic_alloc_adapter_resources(adapter);
1659 if (err)
b1fc6d3c
AC		 1660 goto err_out_free_netdev;
1661
1662 adapter->dev_rst_time = jiffies;
7e2cf4fe 1663 adapter->ahw->revision_id = pdev->revision;
e5dcf6dc 1664 adapter->mac_learn = qlcnic_mac_learn;
7e2cf4fe 1665 adapter->max_drv_tx_rings = 1;
af19b491 1666
b1fc6d3c
AC		 1667 rwlock_init(&adapter->ahw->crb_lock);
1668 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1669
1670 spin_lock_init(&adapter->tx_clean_lock);
1671 INIT_LIST_HEAD(&adapter->mac_list);
1672
7e2cf4fe
SC		 1673 if (qlcnic_82xx_check(adapter)) {
1674 qlcnic_check_vf(adapter);
1675 adapter->portnum = adapter->ahw->pci_func;
1676 err = qlcnic_start_firmware(adapter);
1677 if (err) {
1678 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1679 goto err_out_free_hw;
1680 }
af19b491 1681
7e2cf4fe
SC		 1682 err = qlcnic_setup_idc_param(adapter);
1683 if (err)
1684 goto err_out_free_hw;
b0044bcf 1685
7e2cf4fe 1686 adapter->flags |= QLCNIC_NEED_FLR;
a7fc948f 1687 }
af19b491 1688
da48e6c3
RB		 1689 if (qlcnic_read_mac_addr(adapter))
1690 dev_warn(&pdev->dev, "failed to read mac addr\n");
1691
1692 if (adapter->portnum == 0) {
22999798 1693 qlcnic_get_board_name(adapter, board_name);
da48e6c3 1694 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1695 module_name(THIS_MODULE),
1696 board_name, adapter->ahw->revision_id);
da48e6c3 1697 }
79788450 1698 err = qlcnic_alloc_msix_entries(adapter, adapter->ahw->max_rx_ques);
f94bc1e7 1699 if (err)
7e2cf4fe
SC		 1700 goto err_out_disable_msi;
1701
1702 err = qlcnic_setup_intr(adapter, 0);
1703 if (err)
1704 goto err_out_disable_msi;
f94bc1e7 1705
af19b491 1706
1bb09fb9 1707 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1708 if (err)
7e2cf4fe 1709 goto err_out_disable_mbx_intr;
af19b491
AKS		 1710
1711 pci_set_drvdata(pdev, adapter);
1712
97ee45eb
SC		 1713 if (qlcnic_82xx_check(adapter))
1714 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1715 FW_POLL_DELAY);
af19b491 1716
b1fc6d3c 1717 switch (adapter->ahw->port_type) {
af19b491
AKS		 1718 case QLCNIC_GBE:
1719 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1720 adapter->netdev->name);
1721 break;
1722 case QLCNIC_XGBE:
1723 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1724 adapter->netdev->name);
1725 break;
1726 }
1727
7e2cf4fe
SC		 1728 if (qlcnic_get_act_pci_func(adapter))
1729 goto err_out_disable_mbx_intr;
1730
e5dcf6dc
SC		 1731 if (adapter->mac_learn)
1732 qlcnic_alloc_lb_filters_mem(adapter);
1733
7e2cf4fe 1734 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1735
1736 return 0;
1737
7e2cf4fe
SC		 1738err_out_disable_mbx_intr:
1739
af19b491
AKS		 1740err_out_disable_msi:
1741 qlcnic_teardown_intr(adapter);
7e2cf4fe 1742 qlcnic_cancel_idc_work(adapter);
21854f02 1743 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1744
b1fc6d3c
AC		 1745err_out_free_hw:
1746 qlcnic_free_adapter_resources(adapter);
1747
af19b491
AKS		 1748err_out_free_netdev:
1749 free_netdev(netdev);
1750
7e2cf4fe
SC		 1751err_out_iounmap:
1752 qlcnic_cleanup_pci_map(adapter);
1753
1754err_out_free_hw_res:
1755 kfree(ahw);
1756
af19b491
AKS		 1757err_out_free_res:
1758 pci_release_regions(pdev);
1759
1760err_out_disable_pdev:
1761 pci_set_drvdata(pdev, NULL);
1762 pci_disable_device(pdev);
1763 return err;
1764}
1765
6bb58bb0 1766static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 1767{
1768 struct qlcnic_adapter *adapter;
1769 struct net_device *netdev;
1770
1771 adapter = pci_get_drvdata(pdev);
1772 if (adapter == NULL)
1773 return;
1774
1775 netdev = adapter->netdev;
1776
1777 qlcnic_cancel_fw_work(adapter);
1778
1779 unregister_netdev(netdev);
1780
af19b491
AKS		 1781 qlcnic_detach(adapter);
1782
2e9d722d
AC		 1783 if (adapter->npars != NULL)
1784 kfree(adapter->npars);
1785 if (adapter->eswitch != NULL)
1786 kfree(adapter->eswitch);
1787
97ee45eb
SC		 1788 if (qlcnic_82xx_check(adapter))
1789 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1790
1791 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1792
b5e5492c
AKS		 1793 qlcnic_free_lb_filters_mem(adapter);
1794
af19b491 1795 qlcnic_teardown_intr(adapter);
f94bc1e7 1796 kfree(adapter->msix_entries);
af19b491
AKS		 1797
1798 qlcnic_remove_diag_entries(adapter);
1799
1800 qlcnic_cleanup_pci_map(adapter);
1801
1802 qlcnic_release_firmware(adapter);
1803
451724c8 1804 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 1805 pci_release_regions(pdev);
1806 pci_disable_device(pdev);
1807 pci_set_drvdata(pdev, NULL);
1808
b1fc6d3c 1809 qlcnic_free_adapter_resources(adapter);
af19b491
AKS		 1810 free_netdev(netdev);
1811}
1812static int __qlcnic_shutdown(struct pci_dev *pdev)
1813{
1814 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1815 struct net_device *netdev = adapter->netdev;
1816 int retval;
1817
1818 netif_device_detach(netdev);
1819
1820 qlcnic_cancel_fw_work(adapter);
1821
1822 if (netif_running(netdev))
1823 qlcnic_down(adapter, netdev);
1824
97ee45eb
SC		 1825 if (qlcnic_82xx_check(adapter))
1826 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1827
1828 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1829
1830 retval = pci_save_state(pdev);
1831 if (retval)
1832 return retval;
1833
97ee45eb
SC		 1834 if (qlcnic_82xx_check(adapter)) {
1835 if (qlcnic_wol_supported(adapter)) {
1836 pci_enable_wake(pdev, PCI_D3cold, 1);
1837 pci_enable_wake(pdev, PCI_D3hot, 1);
1838 }
af19b491
AKS		 1839 }
1840
1841 return 0;
1842}
1843
1844static void qlcnic_shutdown(struct pci_dev *pdev)
1845{
1846 if (__qlcnic_shutdown(pdev))
1847 return;
1848
1849 pci_disable_device(pdev);
1850}
1851
1852#ifdef CONFIG_PM
1853static int
1854qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1855{
1856 int retval;
1857
1858 retval = __qlcnic_shutdown(pdev);
1859 if (retval)
1860 return retval;
1861
1862 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1863 return 0;
1864}
1865
1866static int
1867qlcnic_resume(struct pci_dev *pdev)
1868{
1869 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1870 struct net_device *netdev = adapter->netdev;
1871 int err;
1872
1873 err = pci_enable_device(pdev);
1874 if (err)
1875 return err;
1876
1877 pci_set_power_state(pdev, PCI_D0);
1878 pci_set_master(pdev);
1879 pci_restore_state(pdev);
1880
9f26f547 1881 err = adapter->nic_ops->start_firmware(adapter);
af19b491
AKS		 1882 if (err) {
1883 dev_err(&pdev->dev, "failed to start firmware\n");
1884 return err;
1885 }
1886
1887 if (netif_running(netdev)) {
af19b491
AKS		 1888 err = qlcnic_up(adapter, netdev);
1889 if (err)
52486a3a 1890 goto done;
af19b491 1891
aec1e845 1892 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 1893 }
52486a3a 1894done:
af19b491
AKS		 1895 netif_device_attach(netdev);
1896 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1897 return 0;
af19b491
AKS		 1898}
1899#endif
1900
1901static int qlcnic_open(struct net_device *netdev)
1902{
1903 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b43e5ee7 1904 u32 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491
AKS		 1905 int err;
1906
b43e5ee7
SC		 1907 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
1908 netdev_err(netdev, "Device in FAILED state\n");
1909 return -EIO;
1910 }
1911
c55ad8e5
AKS		 1912 netif_carrier_off(netdev);
1913
af19b491
AKS		 1914 err = qlcnic_attach(adapter);
1915 if (err)
1916 return err;
1917
1918 err = __qlcnic_up(adapter, netdev);
1919 if (err)
1920 goto err_out;
1921
1922 netif_start_queue(netdev);
1923
1924 return 0;
1925
1926err_out:
1927 qlcnic_detach(adapter);
1928 return err;
1929}
1930
1931/*
1932 * qlcnic_close - Disables a network interface entry point
1933 */
1934static int qlcnic_close(struct net_device *netdev)
1935{
1936 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1937
1938 __qlcnic_down(adapter, netdev);
1939 return 0;
1940}
1941
e5dcf6dc 1942void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 1943{
1944 void *head;
1945 int i;
1946
e5dcf6dc 1947 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 1948 return;
1949
1950 spin_lock_init(&adapter->mac_learn_lock);
1951
1952 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1953 GFP_KERNEL);
1954 if (!head)
1955 return;
1956
1957 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
43d620c8 1958 adapter->fhash.fhead = head;
b5e5492c
AKS		 1959
1960 for (i = 0; i < adapter->fhash.fmax; i++)
1961 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1962}
1963
1964static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1965{
1966 if (adapter->fhash.fmax && adapter->fhash.fhead)
1967 kfree(adapter->fhash.fhead);
1968
1969 adapter->fhash.fhead = NULL;
1970 adapter->fhash.fmax = 0;
1971}
1972
af19b491
AKS		 1973static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
1974{
1975 struct net_device *netdev = adapter->netdev;
97ee45eb 1976 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 1977 int rv = 0;
1978
97ee45eb 1979 if (qlcnic_82xx_check(adapter))
a15ebd37 1980 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 1981
1982 temp_state = qlcnic_get_temp_state(temp);
1983 temp_val = qlcnic_get_temp_val(temp);
1984
1985 if (temp_state == QLCNIC_TEMP_PANIC) {
1986 dev_err(&netdev->dev,
1987 "Device temperature %d degrees C exceeds"
1988 " maximum allowed. Hardware has been shut down.\n",
1989 temp_val);
1990 rv = 1;
1991 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 1992 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 1993 dev_err(&netdev->dev,
1994 "Device temperature %d degrees C "
1995 "exceeds operating range."
1996 " Immediate action needed.\n",
1997 temp_val);
1998 }
1999 } else {
79788450 2000 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2001 dev_info(&netdev->dev,
2002 "Device temperature is now %d degrees C"
2003 " in normal range.\n", temp_val);
2004 }
2005 }
79788450 2006 adapter->ahw->temp = temp_state;
af19b491
AKS		 2007 return rv;
2008}
2009
af19b491
AKS		 2010static void qlcnic_tx_timeout(struct net_device *netdev)
2011{
2012 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2013
2014 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2015 return;
2016
2017 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2018
2019 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2020 adapter->need_fw_reset = 1;
2021 else
79788450 2022 adapter->ahw->reset_context = 1;
af19b491
AKS		 2023}
2024
2025static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2026{
2027 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2028 struct net_device_stats *stats = &netdev->stats;
2029
af19b491
AKS		 2030 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2031 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2032 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2033 stats->tx_bytes = adapter->stats.txbytes;
2034 stats->rx_dropped = adapter->stats.rxdropped;
2035 stats->tx_dropped = adapter->stats.txdropped;
2036
2037 return stats;
2038}
2039
7e2cf4fe 2040irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2041{
af19b491
AKS		 2042 u32 status;
2043
2044 status = readl(adapter->isr_int_vec);
2045
79788450 2046 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2047 return IRQ_NONE;
2048
2049 /* check interrupt state machine, to be sure */
2050 status = readl(adapter->crb_int_state_reg);
2051 if (!ISR_LEGACY_INT_TRIGGERED(status))
2052 return IRQ_NONE;
2053
2054 writel(0xffffffff, adapter->tgt_status_reg);
2055 /* read twice to ensure write is flushed */
2056 readl(adapter->isr_int_vec);
2057 readl(adapter->isr_int_vec);
2058
7eb9855d
AKS		 2059 return IRQ_HANDLED;
2060}
2061
2062static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2063{
2064 struct qlcnic_host_sds_ring *sds_ring = data;
2065 struct qlcnic_adapter *adapter = sds_ring->adapter;
2066
2067 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2068 goto done;
2069 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2070 writel(0xffffffff, adapter->tgt_status_reg);
2071 goto done;
2072 }
2073
2074 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2075 return IRQ_NONE;
2076
2077done:
79788450 2078 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2079 qlcnic_enable_int(sds_ring);
2080 return IRQ_HANDLED;
2081}
2082
2083static irqreturn_t qlcnic_intr(int irq, void *data)
2084{
2085 struct qlcnic_host_sds_ring *sds_ring = data;
2086 struct qlcnic_adapter *adapter = sds_ring->adapter;
2087
2088 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2089 return IRQ_NONE;
2090
af19b491
AKS		 2091 napi_schedule(&sds_ring->napi);
2092
2093 return IRQ_HANDLED;
2094}
2095
2096static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2097{
2098 struct qlcnic_host_sds_ring *sds_ring = data;
2099 struct qlcnic_adapter *adapter = sds_ring->adapter;
2100
2101 /* clear interrupt */
2102 writel(0xffffffff, adapter->tgt_status_reg);
2103
2104 napi_schedule(&sds_ring->napi);
2105 return IRQ_HANDLED;
2106}
2107
2108static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2109{
2110 struct qlcnic_host_sds_ring *sds_ring = data;
2111
2112 napi_schedule(&sds_ring->napi);
2113 return IRQ_HANDLED;
2114}
2115
af19b491
AKS		 2116#ifdef CONFIG_NET_POLL_CONTROLLER
2117static void qlcnic_poll_controller(struct net_device *netdev)
2118{
bf82791e
YL		 2119 int ring;
2120 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2121 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2122 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2123
af19b491 2124 disable_irq(adapter->irq);
bf82791e
YL		 2125 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2126 sds_ring = &recv_ctx->sds_rings[ring];
2127 qlcnic_intr(adapter->irq, sds_ring);
2128 }
af19b491
AKS		 2129 enable_irq(adapter->irq);
2130}
2131#endif
2132
6df900e9
SC		 2133static void
2134qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2135{
2136 u32 val;
2137
2138 val = adapter->portnum & 0xf;
2139 val |= encoding << 7;
2140 val |= (jiffies - adapter->dev_rst_time) << 8;
2141
a15ebd37 2142 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2143 adapter->dev_rst_time = jiffies;
2144}
2145
ade91f8e
AKS		 2146static int
2147qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2148{
2149 u32 val;
2150
2151 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2152 state != QLCNIC_DEV_NEED_QUISCENT);
2153
2154 if (qlcnic_api_lock(adapter))
ade91f8e 2155 return -EIO;
af19b491 2156
a15ebd37 2157 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2158
2159 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2160 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2161 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2162 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2163
a15ebd37 2164 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2165
2166 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2167
2168 return 0;
af19b491
AKS		 2169}
2170
1b95a839
AKS		 2171static int
2172qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2173{
2174 u32 val;
2175
2176 if (qlcnic_api_lock(adapter))
2177 return -EBUSY;
2178
a15ebd37 2179 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2180 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2181 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2182
2183 qlcnic_api_unlock(adapter);
2184
2185 return 0;
2186}
2187
af19b491 2188static void
21854f02 2189qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2190{
2191 u32 val;
2192
2193 if (qlcnic_api_lock(adapter))
2194 goto err;
2195
a15ebd37 2196 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2197 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2198 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2199
21854f02 2200 if (failed) {
a15ebd37
HM		 2201 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2202 QLCNIC_DEV_FAILED);
21854f02
AKS		 2203 dev_info(&adapter->pdev->dev,
2204 "Device state set to Failed. Please Reboot\n");
2205 } else if (!(val & 0x11111111))
a15ebd37
HM		 2206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2207 QLCNIC_DEV_COLD);
af19b491 2208
a15ebd37 2209 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2210 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2211 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2212
2213 qlcnic_api_unlock(adapter);
2214err:
2215 adapter->fw_fail_cnt = 0;
032a13c7 2216 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2217 clear_bit(__QLCNIC_START_FW, &adapter->state);
2218 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2219}
2220
f73dfc50 2221/* Grab api lock, before checking state */
af19b491
AKS		 2222static int
2223qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2224{
602ca6f0 2225 int act, state, active_mask;
a15ebd37 2226 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2227
a15ebd37
HM		 2228 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2229 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2230
602ca6f0 2231 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2232 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2233 act = act & active_mask;
2234 }
2235
af19b491
AKS		 2236 if (((state & 0x11111111) == (act & 0x11111111)) ||
2237 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2238 return 0;
2239 else
2240 return 1;
2241}
2242
96f8118c
SC		 2243static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2244{
a15ebd37 2245 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2246
2247 if (val != QLCNIC_DRV_IDC_VER) {
2248 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2249 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2250 }
2251
2252 return 0;
2253}
2254
af19b491
AKS		 2255static int
2256qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2257{
2258 u32 val, prev_state;
aa5e18c0 2259 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2260 u8 portnum = adapter->portnum;
96f8118c 2261 u8 ret;
af19b491 2262
f73dfc50
AKS		 2263 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2264 return 1;
2265
af19b491
AKS		 2266 if (qlcnic_api_lock(adapter))
2267 return -1;
2268
a15ebd37 2269 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2270 if (!(val & (1 << (portnum * 4)))) {
2271 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2272 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2273 }
2274
a15ebd37 2275 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2276 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2277
2278 switch (prev_state) {
2279 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2280 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2281 QLCNIC_DEV_INITIALIZING);
2282 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2283 QLCNIC_DRV_IDC_VER);
6df900e9 2284 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2285 qlcnic_api_unlock(adapter);
2286 return 1;
2287
2288 case QLCNIC_DEV_READY:
96f8118c 2289 ret = qlcnic_check_idc_ver(adapter);
af19b491 2290 qlcnic_api_unlock(adapter);
96f8118c 2291 return ret;
af19b491
AKS		 2292
2293 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2294 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2295 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2296 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2297 break;
2298
2299 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2300 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2301 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2302 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2303 break;
2304
2305 case QLCNIC_DEV_FAILED:
a7fc948f 2306 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2307 qlcnic_api_unlock(adapter);
2308 return -1;
bbd8c6a4
AKS		 2309
2310 case QLCNIC_DEV_INITIALIZING:
2311 case QLCNIC_DEV_QUISCENT:
2312 break;
af19b491
AKS		 2313 }
2314
2315 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2316
2317 do {
af19b491 2318 msleep(1000);
a15ebd37 2319 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2320
2321 if (prev_state == QLCNIC_DEV_QUISCENT)
2322 continue;
2323 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2324
65b5b420
AKS		 2325 if (!dev_init_timeo) {
2326 dev_err(&adapter->pdev->dev,
2327 "Waiting for device to initialize timeout\n");
af19b491 2328 return -1;
65b5b420 2329 }
af19b491
AKS		 2330
2331 if (qlcnic_api_lock(adapter))
2332 return -1;
2333
a15ebd37 2334 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2335 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2336 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2337
96f8118c 2338 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2339 qlcnic_api_unlock(adapter);
2340
96f8118c 2341 return ret;
af19b491
AKS		 2342}
2343
2344static void
2345qlcnic_fwinit_work(struct work_struct *work)
2346{
2347 struct qlcnic_adapter *adapter = container_of(work,
2348 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2349 u32 dev_state = 0xf;
7b749ff4 2350 u32 val;
af19b491 2351
f73dfc50
AKS		 2352 if (qlcnic_api_lock(adapter))
2353 goto err_ret;
af19b491 2354
a15ebd37 2355 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2356 if (dev_state == QLCNIC_DEV_QUISCENT ||
2357 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2358 qlcnic_api_unlock(adapter);
2359 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2360 FW_POLL_DELAY * 2);
2361 return;
2362 }
2363
79788450 2364 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2365 qlcnic_api_unlock(adapter);
2366 goto wait_npar;
9f26f547
AC		 2367 }
2368
16e3cf73
SV		 2369 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2370 dev_state == QLCNIC_DEV_READY) {
2371 dev_info(&adapter->pdev->dev, "Detected state change from "
2372 "DEV_NEED_RESET, skipping ack check\n");
2373 goto skip_ack_check;
2374 }
2375
f73dfc50 2376 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2377 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2378 adapter->reset_ack_timeo);
2379 goto skip_ack_check;
2380 }
2381
2382 if (!qlcnic_check_drv_state(adapter)) {
2383skip_ack_check:
a15ebd37 2384 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2385
f73dfc50 2386 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2387 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2388 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2389 set_bit(__QLCNIC_START_FW, &adapter->state);
2390 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2391 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2392 val = QLC_SHARED_REG_RD32(adapter,
2393 QLCNIC_CRB_DRV_STATE);
7b749ff4 2394 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2395 QLC_SHARED_REG_WR32(adapter,
2396 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2397 }
2398
f73dfc50
AKS		 2399 qlcnic_api_unlock(adapter);
2400
287e38aa 2401 rtnl_lock();
7b749ff4
SV		 2402 if (adapter->ahw->fw_dump.enable &&
2403 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2404 QLCDB(adapter, DRV, "Take FW dump\n");
2405 qlcnic_dump_fw(adapter);
032a13c7 2406 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2407 }
287e38aa 2408 rtnl_unlock();
7b749ff4
SV		 2409
2410 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2411 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2412 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2413 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2414 return;
2415 }
af19b491
AKS		 2416 goto err_ret;
2417 }
2418
f73dfc50 2419 qlcnic_api_unlock(adapter);
aa5e18c0 2420
9f26f547 2421wait_npar:
a15ebd37 2422 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2423 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2424
af19b491 2425 switch (dev_state) {
3c4b23b1 2426 case QLCNIC_DEV_READY:
7e2cf4fe 2427 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2428 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2429 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2430 return;
2431 }
3c4b23b1
AKS		 2432 case QLCNIC_DEV_FAILED:
2433 break;
2434 default:
2435 qlcnic_schedule_work(adapter,
2436 qlcnic_fwinit_work, FW_POLL_DELAY);
2437 return;
af19b491
AKS		 2438 }
2439
2440err_ret:
f73dfc50
AKS		 2441 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2442 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2443 netif_device_attach(adapter->netdev);
21854f02 2444 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2445}
2446
2447static void
2448qlcnic_detach_work(struct work_struct *work)
2449{
2450 struct qlcnic_adapter *adapter = container_of(work,
2451 struct qlcnic_adapter, fw_work.work);
2452 struct net_device *netdev = adapter->netdev;
2453 u32 status;
2454
2455 netif_device_detach(netdev);
2456
b8c17620
AKS		 2457 /* Dont grab rtnl lock during Quiscent mode */
2458 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2459 if (netif_running(netdev))
2460 __qlcnic_down(adapter, netdev);
2461 } else
2462 qlcnic_down(adapter, netdev);
af19b491 2463
a15ebd37 2464 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2465
44f65b29
SC		 2466 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2467 dev_err(&adapter->pdev->dev,
2468 "Detaching the device: peg halt status1=0x%x\n",
2469 status);
2470
2471 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2472 dev_err(&adapter->pdev->dev,
2473 "On board active cooling fan failed. "
2474 "Device has been halted.\n");
2475 dev_err(&adapter->pdev->dev,
2476 "Replace the adapter.\n");
2477 }
2478
af19b491 2479 goto err_ret;
44f65b29 2480 }
af19b491 2481
79788450 2482 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2483 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2484 adapter->ahw->temp);
af19b491 2485 goto err_ret;
44f65b29
SC		 2486 }
2487
602ca6f0
SV		 2488 /* Dont ack if this instance is the reset owner */
2489 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2490 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2491 dev_err(&adapter->pdev->dev,
2492 "Failed to set driver state,"
2493 "detaching the device.\n");
602ca6f0 2494 goto err_ret;
44f65b29 2495 }
602ca6f0 2496 }
af19b491
AKS		 2497
2498 adapter->fw_wait_cnt = 0;
2499
2500 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2501
2502 return;
2503
2504err_ret:
34ce3626 2505 netif_device_attach(netdev);
21854f02 2506 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2507}
2508
3c4b23b1
AKS		 2509/*Transit NPAR state to NON Operational */
2510static void
2511qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2512{
2513 u32 state;
2514
a15ebd37 2515 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2516 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2517 return;
2518
2519 if (qlcnic_api_lock(adapter))
2520 return;
a15ebd37
HM		 2521 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2522 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2523 qlcnic_api_unlock(adapter);
2524}
2525
7e2cf4fe 2526void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2527{
646779f1
SV		 2528 u32 state, xg_val = 0, gb_val = 0;
2529
2530 qlcnic_xg_set_xg0_mask(xg_val);
2531 qlcnic_xg_set_xg1_mask(xg_val);
2532 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2533 qlcnic_gb_set_gb0_mask(gb_val);
2534 qlcnic_gb_set_gb1_mask(gb_val);
2535 qlcnic_gb_set_gb2_mask(gb_val);
2536 qlcnic_gb_set_gb3_mask(gb_val);
2537 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2538 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2539 " on all ports\n");
cea8975e 2540 adapter->need_fw_reset = 1;
af19b491
AKS		 2541 if (qlcnic_api_lock(adapter))
2542 return;
2543
2544 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b43e5ee7
SC		 2545 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
2546 netdev_err(adapter->netdev,
2547 "Device is in FAILED state, Please Reboot\n");
2548 qlcnic_api_unlock(adapter);
2549 return;
2550 }
af19b491 2551
f73dfc50 2552 if (state == QLCNIC_DEV_READY) {
af19b491 2553 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
602ca6f0 2554 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2555 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2556 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2557 }
2558
3c4b23b1 2559 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2560 qlcnic_api_unlock(adapter);
2561}
2562
9f26f547
AC		 2563/* Transit to NPAR READY state from NPAR NOT READY state */
2564static void
2565qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2566{
9f26f547
AC		 2567 if (qlcnic_api_lock(adapter))
2568 return;
2569
a15ebd37
HM		 2570 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2571 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2572 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2573
2574 qlcnic_api_unlock(adapter);
2575}
2576
af19b491
AKS		 2577static void
2578qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2579 work_func_t func, int delay)
2580{
451724c8
SC		 2581 if (test_bit(__QLCNIC_AER, &adapter->state))
2582 return;
2583
af19b491 2584 INIT_DELAYED_WORK(&adapter->fw_work, func);
f7ec804a
AKS		 2585 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
2586 round_jiffies_relative(delay));
af19b491
AKS		 2587}
2588
2589static void
2590qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2591{
2592 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2593 msleep(10);
2594
b43e5ee7
SC		 2595 if (!adapter->fw_work.work.func)
2596 return;
2597
af19b491
AKS		 2598 cancel_delayed_work_sync(&adapter->fw_work);
2599}
2600
2601static void
2602qlcnic_attach_work(struct work_struct *work)
2603{
2604 struct qlcnic_adapter *adapter = container_of(work,
2605 struct qlcnic_adapter, fw_work.work);
2606 struct net_device *netdev = adapter->netdev;
b18971d1 2607 u32 npar_state;
af19b491 2608
79788450 2609 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2610 npar_state = QLC_SHARED_REG_RD32(adapter,
2611 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2612 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2613 qlcnic_clr_all_drv_state(adapter, 0);
2614 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2615 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2616 FW_POLL_DELAY);
2617 else
2618 goto attach;
2619 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2620 return;
2621 }
2622attach:
af19b491 2623 if (netif_running(netdev)) {
52486a3a 2624 if (qlcnic_up(adapter, netdev))
af19b491 2625 goto done;
af19b491 2626
aec1e845 2627 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2628 }
2629
af19b491 2630done:
34ce3626 2631 netif_device_attach(netdev);
af19b491 2632 adapter->fw_fail_cnt = 0;
032a13c7 2633 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2634 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2635
2636 if (!qlcnic_clr_drv_state(adapter))
2637 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2638 FW_POLL_DELAY);
af19b491
AKS		 2639}
2640
2641static int
2642qlcnic_check_health(struct qlcnic_adapter *adapter)
2643{
4e70812b 2644 u32 state = 0, heartbeat;
853d4bca 2645 u32 peg_status;
af19b491
AKS		 2646
2647 if (qlcnic_check_temp(adapter))
2648 goto detach;
2649
2372a5f1 2650 if (adapter->need_fw_reset)
7e2cf4fe 2651 qlcnic_dev_request_reset(adapter, 0);
af19b491 2652
a15ebd37 2653 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2654 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2655 qlcnic_set_npar_non_operational(adapter);
af19b491 2656 adapter->need_fw_reset = 1;
b8c17620
AKS		 2657 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2658 goto detach;
af19b491 2659
a15ebd37 2660 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2661 if (heartbeat != adapter->heartbeat) {
2662 adapter->heartbeat = heartbeat;
af19b491
AKS		 2663 adapter->fw_fail_cnt = 0;
2664 if (adapter->need_fw_reset)
2665 goto detach;
68bf1c68 2666
099f7aa7 2667 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2668 qlcnic_reset_hw_context(adapter);
2669 adapter->netdev->trans_start = jiffies;
2670 }
2671
af19b491
AKS		 2672 return 0;
2673 }
2674
2675 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2676 return 0;
2677
032a13c7
SV		 2678 adapter->flags |= QLCNIC_FW_HANG;
2679
7e2cf4fe 2680 qlcnic_dev_request_reset(adapter, 0);
af19b491 2681
099f7aa7 2682 if (qlcnic_auto_fw_reset)
0df170b6 2683 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2684
853d4bca 2685 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2686 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2687 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2688 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2689 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2690 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2691 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2692 peg_status,
2693 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2694 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2695 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2696 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2697 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2698 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2699 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2700 dev_err(&adapter->pdev->dev,
2701 "Firmware aborted with error code 0x00006700. "
2702 "Device is being reset.\n");
af19b491
AKS		 2703detach:
2704 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2705 QLCNIC_DEV_NEED_RESET;
2706
099f7aa7
SC		 2707 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2708 &adapter->state)) {
65b5b420 2709
af19b491 2710 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2711 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2712 }
af19b491
AKS		 2713
2714 return 1;
2715}
2716
2717static void
2718qlcnic_fw_poll_work(struct work_struct *work)
2719{
2720 struct qlcnic_adapter *adapter = container_of(work,
2721 struct qlcnic_adapter, fw_work.work);
2722
2723 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2724 goto reschedule;
2725
2726
2727 if (qlcnic_check_health(adapter))
2728 return;
2729
b5e5492c
AKS		 2730 if (adapter->fhash.fnum)
2731 qlcnic_prune_lb_filters(adapter);
2732
af19b491
AKS		 2733reschedule:
2734 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2735}
2736
451724c8
SC		 2737static int qlcnic_is_first_func(struct pci_dev *pdev)
2738{
2739 struct pci_dev *oth_pdev;
2740 int val = pdev->devfn;
2741
2742 while (val-- > 0) {
2743 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2744 (pdev->bus), pdev->bus->number,
2745 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 2746 if (!oth_pdev)
2747 continue;
451724c8 2748
bfc978fa
AKS		 2749 if (oth_pdev->current_state != PCI_D3cold) {
2750 pci_dev_put(oth_pdev);
451724c8 2751 return 0;
bfc978fa
AKS		 2752 }
2753 pci_dev_put(oth_pdev);
451724c8
SC		 2754 }
2755 return 1;
2756}
2757
2758static int qlcnic_attach_func(struct pci_dev *pdev)
2759{
2760 int err, first_func;
2761 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2762 struct net_device *netdev = adapter->netdev;
2763
2764 pdev->error_state = pci_channel_io_normal;
2765
2766 err = pci_enable_device(pdev);
2767 if (err)
2768 return err;
2769
2770 pci_set_power_state(pdev, PCI_D0);
2771 pci_set_master(pdev);
2772 pci_restore_state(pdev);
2773
2774 first_func = qlcnic_is_first_func(pdev);
2775
2776 if (qlcnic_api_lock(adapter))
2777 return -EINVAL;
2778
79788450 2779 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 2780 adapter->need_fw_reset = 1;
2781 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 2782 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2783 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 2784 QLCDB(adapter, DRV, "Restarting fw\n");
2785 }
2786 qlcnic_api_unlock(adapter);
2787
2788 err = adapter->nic_ops->start_firmware(adapter);
2789 if (err)
2790 return err;
2791
2792 qlcnic_clr_drv_state(adapter);
7e2cf4fe 2793 qlcnic_setup_intr(adapter, 0);
451724c8
SC		 2794
2795 if (netif_running(netdev)) {
2796 err = qlcnic_attach(adapter);
2797 if (err) {
21854f02 2798 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 2799 clear_bit(__QLCNIC_AER, &adapter->state);
2800 netif_device_attach(netdev);
2801 return err;
2802 }
2803
2804 err = qlcnic_up(adapter, netdev);
2805 if (err)
2806 goto done;
2807
aec1e845 2808 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 2809 }
2810 done:
2811 netif_device_attach(netdev);
2812 return err;
2813}
2814
2815static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
2816 pci_channel_state_t state)
2817{
2818 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2819 struct net_device *netdev = adapter->netdev;
2820
2821 if (state == pci_channel_io_perm_failure)
2822 return PCI_ERS_RESULT_DISCONNECT;
2823
2824 if (state == pci_channel_io_normal)
2825 return PCI_ERS_RESULT_RECOVERED;
2826
2827 set_bit(__QLCNIC_AER, &adapter->state);
2828 netif_device_detach(netdev);
2829
2830 cancel_delayed_work_sync(&adapter->fw_work);
2831
2832 if (netif_running(netdev))
2833 qlcnic_down(adapter, netdev);
2834
2835 qlcnic_detach(adapter);
2836 qlcnic_teardown_intr(adapter);
2837
2838 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2839
2840 pci_save_state(pdev);
2841 pci_disable_device(pdev);
2842
2843 return PCI_ERS_RESULT_NEED_RESET;
2844}
2845
2846static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
2847{
2848 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
2849 PCI_ERS_RESULT_RECOVERED;
2850}
2851
2852static void qlcnic_io_resume(struct pci_dev *pdev)
2853{
a15ebd37 2854 u32 state;
451724c8
SC		 2855 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2856
2857 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 2858 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2859 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
2860 &adapter->state))
451724c8
SC		 2861 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2862 FW_POLL_DELAY);
2863}
2864
87eb743b
AC		 2865static int
2866qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
2867{
2868 int err;
2869
2870 err = qlcnic_can_start_firmware(adapter);
2871 if (err)
2872 return err;
2873
78f84e1a
AKS		 2874 err = qlcnic_check_npar_opertional(adapter);
2875 if (err)
2876 return err;
3c4b23b1 2877
174240a8
RB		 2878 err = qlcnic_initialize_nic(adapter);
2879 if (err)
2880 return err;
2881
87eb743b
AC		 2882 qlcnic_check_options(adapter);
2883
7373373d
RB		 2884 err = qlcnic_set_eswitch_port_config(adapter);
2885 if (err)
2886 return err;
2887
87eb743b
AC		 2888 adapter->need_fw_reset = 0;
2889
2890 return err;
2891}
2892
f94bc1e7
SC		 2893int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
2894{
099f7aa7 2895 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
f94bc1e7
SC		 2896 netdev_info(netdev, "no msix or msi support, hence no rss\n");
2897 return -EINVAL;
2898 }
2899
2900 if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
2901 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
2902 " powers of 2\n", max_hw);
2903 return -EINVAL;
2904 }
2905 return 0;
2906
2907}
2908
2909int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
2910{
2911 struct net_device *netdev = adapter->netdev;
2912 int err = 0;
2913
2914 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2915 return -EBUSY;
2916
2917 netif_device_detach(netdev);
2918 if (netif_running(netdev))
2919 __qlcnic_down(adapter, netdev);
2920 qlcnic_detach(adapter);
2921 qlcnic_teardown_intr(adapter);
2922
2923 if (qlcnic_enable_msix(adapter, data)) {
2924 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
2925 qlcnic_enable_msi_legacy(adapter);
2926 }
2927
2928 if (netif_running(netdev)) {
2929 err = qlcnic_attach(adapter);
2930 if (err)
2931 goto done;
2932 err = __qlcnic_up(adapter, netdev);
2933 if (err)
2934 goto done;
2935 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2936 }
2937 done:
2938 netif_device_attach(netdev);
2939 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2940 return err;
2941}
2942
af19b491
AKS		 2943#ifdef CONFIG_INET
2944
2945#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
2946
af19b491 2947static void
aec1e845
AKS		 2948qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
2949 struct net_device *dev, unsigned long event)
af19b491
AKS		 2950{
2951 struct in_device *indev;
af19b491 2952
af19b491
AKS		 2953 indev = in_dev_get(dev);
2954 if (!indev)
2955 return;
2956
2957 for_ifa(indev) {
2958 switch (event) {
2959 case NETDEV_UP:
2960 qlcnic_config_ipaddr(adapter,
2961 ifa->ifa_address, QLCNIC_IP_UP);
2962 break;
2963 case NETDEV_DOWN:
2964 qlcnic_config_ipaddr(adapter,
2965 ifa->ifa_address, QLCNIC_IP_DOWN);
2966 break;
2967 default:
2968 break;
2969 }
2970 } endfor_ifa(indev);
2971
2972 in_dev_put(indev);
af19b491
AKS		 2973}
2974
aec1e845
AKS		 2975static void
2976qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
2977{
2978 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2979 struct net_device *dev;
2980 u16 vid;
2981
2982 qlcnic_config_indev_addr(adapter, netdev, event);
2983
b9796a14 2984 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 2985 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 2986 if (!dev)
2987 continue;
aec1e845
AKS		 2988 qlcnic_config_indev_addr(adapter, dev, event);
2989 }
2990}
2991
af19b491
AKS		 2992static int qlcnic_netdev_event(struct notifier_block *this,
2993 unsigned long event, void *ptr)
2994{
2995 struct qlcnic_adapter *adapter;
2996 struct net_device *dev = (struct net_device *)ptr;
2997
2998recheck:
2999 if (dev == NULL)
3000 goto done;
3001
3002 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3003 dev = vlan_dev_real_dev(dev);
3004 goto recheck;
3005 }
3006
3007 if (!is_qlcnic_netdev(dev))
3008 goto done;
3009
3010 adapter = netdev_priv(dev);
3011
3012 if (!adapter)
3013 goto done;
3014
8a15ad1f 3015 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3016 goto done;
3017
aec1e845 3018 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3019done:
3020 return NOTIFY_DONE;
3021}
3022
3023static int
3024qlcnic_inetaddr_event(struct notifier_block *this,
3025 unsigned long event, void *ptr)
3026{
3027 struct qlcnic_adapter *adapter;
3028 struct net_device *dev;
3029
3030 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3031
3032 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3033
3034recheck:
aec1e845 3035 if (dev == NULL)
af19b491
AKS		 3036 goto done;
3037
3038 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3039 dev = vlan_dev_real_dev(dev);
3040 goto recheck;
3041 }
3042
3043 if (!is_qlcnic_netdev(dev))
3044 goto done;
3045
3046 adapter = netdev_priv(dev);
3047
251a84c9 3048 if (!adapter)
af19b491
AKS		 3049 goto done;
3050
8a15ad1f 3051 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3052 goto done;
3053
3054 switch (event) {
3055 case NETDEV_UP:
3056 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3057 break;
3058 case NETDEV_DOWN:
3059 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3060 break;
3061 default:
3062 break;
3063 }
3064
3065done:
3066 return NOTIFY_DONE;
3067}
3068
3069static struct notifier_block qlcnic_netdev_cb = {
3070 .notifier_call = qlcnic_netdev_event,
3071};
3072
3073static struct notifier_block qlcnic_inetaddr_cb = {
3074 .notifier_call = qlcnic_inetaddr_event,
3075};
3076#else
3077static void
aec1e845 3078qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3079{ }
3080#endif
63507592 3081static struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3082 .error_detected = qlcnic_io_error_detected,
3083 .slot_reset = qlcnic_io_slot_reset,
3084 .resume = qlcnic_io_resume,
3085};
af19b491
AKS		 3086
3087static struct pci_driver qlcnic_driver = {
3088 .name = qlcnic_driver_name,
3089 .id_table = qlcnic_pci_tbl,
3090 .probe = qlcnic_probe,
6bb58bb0 3091 .remove = qlcnic_remove,
af19b491
AKS		 3092#ifdef CONFIG_PM
3093 .suspend = qlcnic_suspend,
3094 .resume = qlcnic_resume,
3095#endif
451724c8
SC		 3096 .shutdown = qlcnic_shutdown,
3097 .err_handler = &qlcnic_err_handler
3098
af19b491
AKS		 3099};
3100
3101static int __init qlcnic_init_module(void)
3102{
0cf3a14c 3103 int ret;
af19b491
AKS		 3104
3105 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3106
f7ec804a
AKS		 3107 qlcnic_wq = create_singlethread_workqueue("qlcnic");
3108 if (qlcnic_wq == NULL) {
3109 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
3110 return -ENOMEM;
3111 }
3112
af19b491
AKS		 3113#ifdef CONFIG_INET
3114 register_netdevice_notifier(&qlcnic_netdev_cb);
3115 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3116#endif
3117
0cf3a14c
AKS		 3118 ret = pci_register_driver(&qlcnic_driver);
3119 if (ret) {
3120#ifdef CONFIG_INET
3121 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3122 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3123#endif
f7ec804a 3124 destroy_workqueue(qlcnic_wq);
0cf3a14c 3125 }
af19b491 3126
0cf3a14c 3127 return ret;
af19b491
AKS		 3128}
3129
3130module_init(qlcnic_init_module);
3131
3132static void __exit qlcnic_exit_module(void)
3133{
3134
3135 pci_unregister_driver(&qlcnic_driver);
3136
3137#ifdef CONFIG_INET
3138 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3139 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3140#endif
f7ec804a 3141 destroy_workqueue(qlcnic_wq);
af19b491
AKS		 3142}
3143
3144module_exit(qlcnic_exit_module);
Linux kernel - Deliverables
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