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qlcnic: 83xx data path routines
[linux-2.6-block.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,
4be41e92 306 .napi_del = qlcnic_82xx_napi_del,
7e2cf4fe
SC		 307 .config_ipaddr = qlcnic_82xx_config_ipaddr,
308 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
309};
310
311struct qlcnic_nic_template qlcnic_vf_ops = {
312 .config_bridged_mode = qlcnicvf_config_bridged_mode,
313 .config_led = qlcnicvf_config_led,
314 .start_firmware = qlcnicvf_start_firmware
9f26f547
AC		 315};
316
7e2cf4fe
SC		 317static struct qlcnic_hardware_ops qlcnic_hw_ops = {
318 .read_crb = qlcnic_82xx_read_crb,
319 .write_crb = qlcnic_82xx_write_crb,
320 .read_reg = qlcnic_82xx_hw_read_wx_2M,
321 .write_reg = qlcnic_82xx_hw_write_wx_2M,
322 .get_mac_address = qlcnic_82xx_get_mac_address,
323 .setup_intr = qlcnic_82xx_setup_intr,
324 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
325 .mbx_cmd = qlcnic_82xx_issue_cmd,
326 .get_func_no = qlcnic_82xx_get_func_no,
327 .api_lock = qlcnic_82xx_api_lock,
328 .api_unlock = qlcnic_82xx_api_unlock,
329 .add_sysfs = qlcnic_82xx_add_sysfs,
330 .remove_sysfs = qlcnic_82xx_remove_sysfs,
331 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
332 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
333 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
334 .setup_link_event = qlcnic_82xx_linkevent_request,
335 .get_nic_info = qlcnic_82xx_get_nic_info,
336 .get_pci_info = qlcnic_82xx_get_pci_info,
337 .set_nic_info = qlcnic_82xx_set_nic_info,
338 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
339 .napi_enable = qlcnic_82xx_napi_enable,
340 .napi_disable = qlcnic_82xx_napi_disable,
341 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
342 .config_rss = qlcnic_82xx_config_rss,
343 .config_hw_lro = qlcnic_82xx_config_hw_lro,
344 .config_loopback = qlcnic_82xx_set_lb_mode,
345 .clear_loopback = qlcnic_82xx_clear_lb_mode,
346 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
347 .change_l2_filter = qlcnic_82xx_change_filter,
348 .get_board_info = qlcnic_82xx_get_board_info,
2e9d722d
AC		 349};
350
7f966452 351int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
af19b491 352{
af19b491 353 struct pci_dev *pdev = adapter->pdev;
f94bc1e7 354 int err = -1;
af19b491
AKS		 355
356 adapter->max_sds_rings = 1;
af19b491 357 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
af19b491
AKS		 358 qlcnic_set_msix_bit(pdev, 0);
359
79788450 360 if (adapter->ahw->msix_supported) {
f94bc1e7 361 enable_msix:
af19b491
AKS		 362 qlcnic_init_msix_entries(adapter, num_msix);
363 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
364 if (err == 0) {
365 adapter->flags |= QLCNIC_MSIX_ENABLED;
366 qlcnic_set_msix_bit(pdev, 1);
367
b1fc6d3c 368 adapter->max_sds_rings = num_msix;
af19b491
AKS		 369
370 dev_info(&pdev->dev, "using msi-x interrupts\n");
f94bc1e7 371 return err;
af19b491 372 }
f94bc1e7
SC		 373 if (err > 0) {
374 num_msix = rounddown_pow_of_two(err);
375 if (num_msix)
376 goto enable_msix;
377 }
378 }
379 return err;
380}
af19b491 381
f94bc1e7
SC		 382static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
383{
15087c2b 384 u32 offset, mask_reg;
f94bc1e7 385 const struct qlcnic_legacy_intr_set *legacy_intrp;
15087c2b 386 struct qlcnic_hardware_context *ahw = adapter->ahw;
f94bc1e7 387 struct pci_dev *pdev = adapter->pdev;
af19b491 388
099f7aa7 389 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
af19b491 390 adapter->flags |= QLCNIC_MSI_ENABLED;
15087c2b
SC		 391 offset = msi_tgt_status[adapter->ahw->pci_func];
392 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
393 offset);
af19b491
AKS		 394 dev_info(&pdev->dev, "using msi interrupts\n");
395 adapter->msix_entries[0].vector = pdev->irq;
396 return;
397 }
398
f94bc1e7 399 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
79788450 400 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
15087c2b
SC		 401 offset = legacy_intrp->tgt_status_reg;
402 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
403 mask_reg = legacy_intrp->tgt_mask_reg;
404 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
405 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
406 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
af19b491
AKS		 407 dev_info(&pdev->dev, "using legacy interrupts\n");
408 adapter->msix_entries[0].vector = pdev->irq;
409}
410
7e2cf4fe 411int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
f94bc1e7 412{
7e2cf4fe 413 int num_msix, err;
f94bc1e7 414
7e2cf4fe
SC		 415 if (!num_intr)
416 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
417
418 if (adapter->ahw->msix_supported)
5f6ec29a 419 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
7e2cf4fe
SC		 420 num_intr));
421 else
f94bc1e7
SC		 422 num_msix = 1;
423
7e2cf4fe
SC		 424 err = qlcnic_enable_msix(adapter, num_msix);
425 if (err == -ENOMEM || !err)
426 return err;
f94bc1e7
SC		 427
428 qlcnic_enable_msi_legacy(adapter);
7e2cf4fe 429 return 0;
f94bc1e7 430}
af19b491
AKS		 431static void
432qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
433{
434 if (adapter->flags & QLCNIC_MSIX_ENABLED)
435 pci_disable_msix(adapter->pdev);
436 if (adapter->flags & QLCNIC_MSI_ENABLED)
437 pci_disable_msi(adapter->pdev);
438}
439
440static void
441qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
442{
b1fc6d3c
AC		 443 if (adapter->ahw->pci_base0 != NULL)
444 iounmap(adapter->ahw->pci_base0);
af19b491
AKS		 445}
446
7e2cf4fe
SC		 447static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
448{
449 struct qlcnic_pci_info *pci_info;
450 int ret;
451
452 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
453 switch (adapter->ahw->port_type) {
454 case QLCNIC_GBE:
455 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
456 break;
457 case QLCNIC_XGBE:
458 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
459 break;
460 }
461 return 0;
462 }
463
464 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
465 return 0;
466
467 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
468 if (!pci_info)
469 return -ENOMEM;
470
471 ret = qlcnic_get_pci_info(adapter, pci_info);
472 kfree(pci_info);
473 return ret;
474}
bff57d8e 475static int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
346fe763 476{
e88db3bd 477 struct qlcnic_pci_info *pci_info;
bff57d8e
SC		 478 int i, ret = 0, j = 0;
479 u16 act_pci_func;
346fe763
RB		 480 u8 pfn;
481
e88db3bd
DC		 482 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
483 if (!pci_info)
484 return -ENOMEM;
485
bff57d8e
SC		 486 ret = qlcnic_get_pci_info(adapter, pci_info);
487 if (ret)
488 goto err_pci_info;
489
490 act_pci_func = adapter->ahw->act_pci_func;
491
ca315ac2 492 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
bff57d8e 493 act_pci_func, GFP_KERNEL);
e88db3bd 494 if (!adapter->npars) {
900853a4 495 ret = -ENOMEM;
e88db3bd
DC		 496 goto err_pci_info;
497 }
346fe763 498
ca315ac2 499 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
346fe763
RB		 500 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
501 if (!adapter->eswitch) {
900853a4 502 ret = -ENOMEM;
ca315ac2 503 goto err_npars;
346fe763
RB		 504 }
505
ca315ac2
DC		 506 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
507 pfn = pci_info[i].id;
bff57d8e 508
0f6efff9 509 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
f848d6dd
SC		 510 ret = QL_STATUS_INVALID_PARAM;
511 goto err_eswitch;
512 }
bff57d8e
SC		 513
514 if (!pci_info[i].active ||
515 (pci_info[i].type != QLCNIC_TYPE_NIC))
516 continue;
517
518 adapter->npars[j].pci_func = pfn;
519 adapter->npars[j].active = (u8)pci_info[i].active;
520 adapter->npars[j].type = (u8)pci_info[i].type;
521 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
522 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
523 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
524 j++;
346fe763
RB		 525 }
526
ca315ac2
DC		 527 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
528 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
529
e88db3bd 530 kfree(pci_info);
ca315ac2
DC		 531 return 0;
532
533err_eswitch:
346fe763
RB		 534 kfree(adapter->eswitch);
535 adapter->eswitch = NULL;
ca315ac2 536err_npars:
346fe763 537 kfree(adapter->npars);
ca315ac2 538 adapter->npars = NULL;
e88db3bd
DC		 539err_pci_info:
540 kfree(pci_info);
346fe763
RB		 541
542 return ret;
543}
544
2e9d722d
AC		 545static int
546qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
547{
548 u8 id;
2e9d722d
AC		 549 int i, ret = 1;
550 u32 data = QLCNIC_MGMT_FUNC;
bff57d8e 551 struct qlcnic_hardware_context *ahw = adapter->ahw;
2e9d722d 552
2e9d722d
AC		 553 ret = qlcnic_api_lock(adapter);
554 if (ret)
555 goto err_lock;
2e9d722d 556
0e33c664 557 if (qlcnic_config_npars) {
bff57d8e
SC		 558 for (i = 0; i < ahw->act_pci_func; i++) {
559 id = adapter->npars[i].pci_func;
560 if (id == ahw->pci_func)
0e33c664
AC		 561 continue;
562 data |= (qlcnic_config_npars &
563 QLC_DEV_SET_DRV(0xf, id));
564 }
565 } else {
a15ebd37 566 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
bff57d8e 567 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
0e33c664 568 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
bff57d8e 569 ahw->pci_func));
2e9d722d 570 }
a15ebd37 571 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
2e9d722d
AC		 572 qlcnic_api_unlock(adapter);
573err_lock:
574 return ret;
575}
576
0866d96d
AC		 577static void
578qlcnic_check_vf(struct qlcnic_adapter *adapter)
2e9d722d
AC		 579{
580 void __iomem *msix_base_addr;
581 void __iomem *priv_op;
582 u32 func;
583 u32 msix_base;
584 u32 op_mode, priv_level;
585
586 /* Determine FW API version */
79788450
SC		 587 adapter->ahw->fw_hal_version = readl(adapter->ahw->pci_base0 +
588 QLCNIC_FW_API);
2e9d722d
AC		 589
590 /* Find PCI function number */
591 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
b1fc6d3c 592 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
2e9d722d
AC		 593 msix_base = readl(msix_base_addr);
594 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
b1fc6d3c 595 adapter->ahw->pci_func = func;
2e9d722d
AC		 596
597 /* Determine function privilege level */
b1fc6d3c 598 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
2e9d722d 599 op_mode = readl(priv_op);
0e33c664 600 if (op_mode == QLC_DEV_DRV_DEFAULT)
2e9d722d 601 priv_level = QLCNIC_MGMT_FUNC;
0e33c664 602 else
b1fc6d3c 603 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
2e9d722d 604
0866d96d 605 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
79788450 606 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
9f26f547
AC		 607 dev_info(&adapter->pdev->dev,
608 "HAL Version: %d Non Privileged function\n",
79788450 609 adapter->ahw->fw_hal_version);
9f26f547 610 adapter->nic_ops = &qlcnic_vf_ops;
0866d96d
AC		 611 } else
612 adapter->nic_ops = &qlcnic_ops;
2e9d722d
AC		 613}
614
15087c2b
SC		 615#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
616static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
617{
618 switch (dev_id) {
619 case PCI_DEVICE_ID_QLOGIC_QLE824X:
620 *bar = QLCNIC_82XX_BAR0_LENGTH;
621 break;
622 default:
623 *bar = 0;
624 }
625}
626
627static int qlcnic_setup_pci_map(struct pci_dev *pdev,
628 struct qlcnic_hardware_context *ahw)
af19b491 629{
15087c2b 630 u32 offset;
af19b491 631 void __iomem *mem_ptr0 = NULL;
15087c2b 632 unsigned long mem_len, pci_len0 = 0, bar0_len;
af19b491 633
af19b491 634 /* remap phys address */
af19b491
AKS		 635 mem_len = pci_resource_len(pdev, 0);
636
15087c2b
SC		 637 qlcnic_get_bar_length(pdev->device, &bar0_len);
638 if (mem_len >= bar0_len) {
af19b491
AKS		 639
640 mem_ptr0 = pci_ioremap_bar(pdev, 0);
641 if (mem_ptr0 == NULL) {
642 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
643 return -EIO;
644 }
645 pci_len0 = mem_len;
646 } else {
647 return -EIO;
648 }
649
650 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
7e2cf4fe 651
15087c2b
SC		 652 ahw->pci_base0 = mem_ptr0;
653 ahw->pci_len0 = pci_len0;
654 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
655 qlcnic_get_ioaddr(ahw, offset);
af19b491
AKS		 656
657 return 0;
658}
659
22999798 660static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
af19b491
AKS		 661{
662 struct pci_dev *pdev = adapter->pdev;
663 int i, found = 0;
664
665 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
666 if (qlcnic_boards[i].vendor == pdev->vendor &&
667 qlcnic_boards[i].device == pdev->device &&
668 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
669 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
02f6e46f
SC		 670 sprintf(name, "%pM: %s" ,
671 adapter->mac_addr,
672 qlcnic_boards[i].short_name);
af19b491
AKS		 673 found = 1;
674 break;
675 }
676
677 }
678
679 if (!found)
7f9a0c34 680 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
af19b491
AKS		 681}
682
683static void
684qlcnic_check_options(struct qlcnic_adapter *adapter)
685{
a15ebd37 686 int err;
031a4a26 687 u32 fw_major, fw_minor, fw_build, prev_fw_version;
af19b491 688 struct pci_dev *pdev = adapter->pdev;
a15ebd37
HM		 689 struct qlcnic_hardware_context *ahw = adapter->ahw;
690 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
031a4a26
SV		 691
692 prev_fw_version = adapter->fw_version;
af19b491 693
a15ebd37
HM		 694 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
695 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
696 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
af19b491
AKS		 697
698 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
699
a15ebd37
HM		 700 err = qlcnic_get_board_info(adapter);
701 if (err) {
702 dev_err(&pdev->dev, "Error getting board config info.\n");
703 return;
704 }
705 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
031a4a26
SV		 706 if (fw_dump->tmpl_hdr == NULL ||
707 adapter->fw_version > prev_fw_version) {
708 if (fw_dump->tmpl_hdr)
709 vfree(fw_dump->tmpl_hdr);
710 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
711 dev_info(&pdev->dev,
712 "Supports FW dump capability\n");
713 }
714 }
715
251a84c9
AKS		 716 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
717 fw_major, fw_minor, fw_build);
b1fc6d3c 718 if (adapter->ahw->port_type == QLCNIC_XGBE) {
90d19005
SC		 719 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
720 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
721 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
722 } else {
723 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
724 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
725 }
726
af19b491 727 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
90d19005
SC		 728 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
729
b1fc6d3c 730 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
af19b491
AKS		 731 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
732 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
90d19005
SC		 733 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
734 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
af19b491
AKS		 735 }
736
099f7aa7 737 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
af19b491
AKS		 738
739 adapter->num_txd = MAX_CMD_DESCRIPTORS;
740
251b036a 741 adapter->max_rds_rings = MAX_RDS_RINGS;
af19b491
AKS		 742}
743
174240a8
RB		 744static int
745qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
746{
747 int err;
748 struct qlcnic_info nic_info;
749
bff57d8e 750 memset(&nic_info, 0, sizeof(struct qlcnic_info));
b1fc6d3c 751 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
174240a8
RB		 752 if (err)
753 return err;
754
79788450
SC		 755 adapter->ahw->physical_port = (u8)nic_info.phys_port;
756 adapter->ahw->switch_mode = nic_info.switch_mode;
757 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
758 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
759 adapter->ahw->capabilities = nic_info.capabilities;
760 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
761 adapter->ahw->max_mtu = nic_info.max_mtu;
174240a8 762
79788450 763 if (adapter->ahw->capabilities & BIT_6)
174240a8
RB		 764 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
765 else
766 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
767
768 return err;
769}
770
ec079a07
SC		 771void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
772 struct qlcnic_esw_func_cfg *esw_cfg)
8cf61f89
AKS		 773{
774 if (esw_cfg->discard_tagged)
775 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
776 else
777 adapter->flags |= QLCNIC_TAGGING_ENABLED;
778
779 if (esw_cfg->vlan_id)
780 adapter->pvid = esw_cfg->vlan_id;
781 else
782 adapter->pvid = 0;
783}
784
8e586137 785static int
b9796a14
AC		 786qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
787{
788 struct qlcnic_adapter *adapter = netdev_priv(netdev);
789 set_bit(vid, adapter->vlans);
8e586137 790 return 0;
b9796a14
AC		 791}
792
8e586137 793static int
b9796a14
AC		 794qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
795{
796 struct qlcnic_adapter *adapter = netdev_priv(netdev);
797
798 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
799 clear_bit(vid, adapter->vlans);
8e586137 800 return 0;
b9796a14
AC		 801}
802
ec079a07
SC		 803void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
804 struct qlcnic_esw_func_cfg *esw_cfg)
0325d69b 805{
ee07c1a7
RB		 806 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
807 QLCNIC_PROMISC_DISABLED);
7613c87b
RB		 808
809 if (esw_cfg->mac_anti_spoof)
810 adapter->flags |= QLCNIC_MACSPOOF;
fe4d434d 811
7373373d
RB		 812 if (!esw_cfg->mac_override)
813 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
814
ee07c1a7
RB		 815 if (!esw_cfg->promisc_mode)
816 adapter->flags |= QLCNIC_PROMISC_DISABLED;
817
0325d69b
RB		 818 qlcnic_set_netdev_features(adapter, esw_cfg);
819}
820
ec079a07 821static int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
0325d69b
RB		 822{
823 struct qlcnic_esw_func_cfg esw_cfg;
824
825 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
826 return 0;
827
b1fc6d3c 828 esw_cfg.pci_func = adapter->ahw->pci_func;
0325d69b
RB		 829 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
830 return -EIO;
8cf61f89 831 qlcnic_set_vlan_config(adapter, &esw_cfg);
0325d69b
RB		 832 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
833
834 return 0;
835}
836
837static void
838qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
839 struct qlcnic_esw_func_cfg *esw_cfg)
840{
841 struct net_device *netdev = adapter->netdev;
c8f44aff 842 netdev_features_t features, vlan_features;
0325d69b 843
135d84a9 844 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
0325d69b
RB		 845 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
846 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
b9796a14 847 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
0325d69b 848
79788450 849 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
0325d69b
RB		 850 features |= (NETIF_F_TSO | NETIF_F_TSO6);
851 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
852 }
b56421d0
RB		 853
854 if (netdev->features & NETIF_F_LRO)
0325d69b
RB		 855 features |= NETIF_F_LRO;
856
857 if (esw_cfg->offload_flags & BIT_0) {
858 netdev->features |= features;
0325d69b
RB		 859 if (!(esw_cfg->offload_flags & BIT_1))
860 netdev->features &= ~NETIF_F_TSO;
861 if (!(esw_cfg->offload_flags & BIT_2))
862 netdev->features &= ~NETIF_F_TSO6;
863 } else {
864 netdev->features &= ~features;
0325d69b
RB		 865 }
866
867 netdev->vlan_features = (features & vlan_features);
868}
869
0866d96d
AC		 870static int
871qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
872{
873 void __iomem *priv_op;
874 u32 op_mode, priv_level;
875 int err = 0;
876
174240a8
RB		 877 err = qlcnic_initialize_nic(adapter);
878 if (err)
879 return err;
880
0866d96d
AC		 881 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
882 return 0;
883
b1fc6d3c 884 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
0866d96d 885 op_mode = readl(priv_op);
b1fc6d3c 886 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d
AC		 887
888 if (op_mode == QLC_DEV_DRV_DEFAULT)
889 priv_level = QLCNIC_MGMT_FUNC;
890 else
b1fc6d3c 891 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
0866d96d 892
174240a8 893 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
0866d96d 894 if (priv_level == QLCNIC_MGMT_FUNC) {
79788450 895 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
0866d96d
AC		 896 err = qlcnic_init_pci_info(adapter);
897 if (err)
898 return err;
899 /* Set privilege level for other functions */
900 qlcnic_set_function_modes(adapter);
901 dev_info(&adapter->pdev->dev,
902 "HAL Version: %d, Management function\n",
79788450 903 adapter->ahw->fw_hal_version);
0866d96d 904 } else if (priv_level == QLCNIC_PRIV_FUNC) {
79788450 905 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
0866d96d
AC		 906 dev_info(&adapter->pdev->dev,
907 "HAL Version: %d, Privileged function\n",
79788450 908 adapter->ahw->fw_hal_version);
0866d96d 909 }
174240a8 910 }
0866d96d
AC		 911
912 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
913
914 return err;
915}
916
bff57d8e 917static int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
0325d69b
RB		 918{
919 struct qlcnic_esw_func_cfg esw_cfg;
920 struct qlcnic_npar_info *npar;
921 u8 i;
922
174240a8 923 if (adapter->need_fw_reset)
0325d69b
RB		 924 return 0;
925
bff57d8e 926 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
0325d69b 927 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
bff57d8e 928 esw_cfg.pci_func = adapter->npars[i].pci_func;
7373373d 929 esw_cfg.mac_override = BIT_0;
ee07c1a7 930 esw_cfg.promisc_mode = BIT_0;
bff57d8e
SC		 931 if (qlcnic_82xx_check(adapter)) {
932 esw_cfg.offload_flags = BIT_0;
933 if (QLCNIC_IS_TSO_CAPABLE(adapter))
934 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
935 }
0325d69b
RB		 936 if (qlcnic_config_switch_port(adapter, &esw_cfg))
937 return -EIO;
938 npar = &adapter->npars[i];
939 npar->pvid = esw_cfg.vlan_id;
7373373d 940 npar->mac_override = esw_cfg.mac_override;
0325d69b
RB		 941 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
942 npar->discard_tagged = esw_cfg.discard_tagged;
943 npar->promisc_mode = esw_cfg.promisc_mode;
944 npar->offload_flags = esw_cfg.offload_flags;
945 }
946
947 return 0;
948}
949
4e8acb01
RB		 950static int
951qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
952 struct qlcnic_npar_info *npar, int pci_func)
953{
954 struct qlcnic_esw_func_cfg esw_cfg;
955 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
956 esw_cfg.pci_func = pci_func;
957 esw_cfg.vlan_id = npar->pvid;
7373373d 958 esw_cfg.mac_override = npar->mac_override;
4e8acb01
RB		 959 esw_cfg.discard_tagged = npar->discard_tagged;
960 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
961 esw_cfg.offload_flags = npar->offload_flags;
962 esw_cfg.promisc_mode = npar->promisc_mode;
963 if (qlcnic_config_switch_port(adapter, &esw_cfg))
964 return -EIO;
965
966 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
967 if (qlcnic_config_switch_port(adapter, &esw_cfg))
968 return -EIO;
969
970 return 0;
971}
972
bff57d8e 973static int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
cea8975e 974{
4e8acb01 975 int i, err;
cea8975e
AC		 976 struct qlcnic_npar_info *npar;
977 struct qlcnic_info nic_info;
bff57d8e 978 u8 pci_func;
cea8975e 979
bff57d8e
SC		 980 if (qlcnic_82xx_check(adapter))
981 if (!adapter->need_fw_reset)
982 return 0;
cea8975e 983
4e8acb01 984 /* Set the NPAR config data after FW reset */
bff57d8e 985 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
4e8acb01 986 npar = &adapter->npars[i];
bff57d8e
SC		 987 pci_func = npar->pci_func;
988 memset(&nic_info, 0, sizeof(struct qlcnic_info));
989 err = qlcnic_get_nic_info(adapter,
990 &nic_info, pci_func);
4e8acb01
RB		 991 if (err)
992 return err;
993 nic_info.min_tx_bw = npar->min_bw;
994 nic_info.max_tx_bw = npar->max_bw;
995 err = qlcnic_set_nic_info(adapter, &nic_info);
996 if (err)
997 return err;
cea8975e 998
4e8acb01
RB		 999 if (npar->enable_pm) {
1000 err = qlcnic_config_port_mirroring(adapter,
bff57d8e
SC		 1001 npar->dest_npar, 1,
1002 pci_func);
4e8acb01
RB		 1003 if (err)
1004 return err;
cea8975e 1005 }
bff57d8e 1006 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
4e8acb01
RB		 1007 if (err)
1008 return err;
cea8975e 1009 }
4e8acb01 1010 return 0;
cea8975e
AC		 1011}
1012
78f84e1a
AKS		 1013static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1014{
1015 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1016 u32 npar_state;
1017
79788450 1018 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
78f84e1a
AKS		 1019 return 0;
1020
a15ebd37
HM		 1021 npar_state = QLC_SHARED_REG_RD32(adapter,
1022 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1023 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1024 msleep(1000);
a15ebd37
HM		 1025 npar_state = QLC_SHARED_REG_RD32(adapter,
1026 QLCNIC_CRB_DEV_NPAR_STATE);
78f84e1a
AKS		 1027 }
1028 if (!npar_opt_timeo) {
1029 dev_err(&adapter->pdev->dev,
1030 "Waiting for NPAR state to opertional timeout\n");
1031 return -EIO;
1032 }
1033 return 0;
1034}
1035
174240a8
RB		 1036static int
1037qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1038{
1039 int err;
1040
1041 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
79788450 1042 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
174240a8
RB		 1043 return 0;
1044
1045 err = qlcnic_set_default_offload_settings(adapter);
1046 if (err)
1047 return err;
1048
1049 err = qlcnic_reset_npar_config(adapter);
1050 if (err)
1051 return err;
1052
1053 qlcnic_dev_set_npar_ready(adapter);
1054
1055 return err;
1056}
1057
7e2cf4fe 1058int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
af19b491 1059{
d4066833 1060 int err;
af19b491 1061
aa5e18c0
SC		 1062 err = qlcnic_can_start_firmware(adapter);
1063 if (err < 0)
1064 return err;
1065 else if (!err)
d4066833 1066 goto check_fw_status;
af19b491 1067
099f7aa7 1068 if (qlcnic_load_fw_file)
4d5bdb38 1069 qlcnic_request_firmware(adapter);
8f891387 1070 else {
8cfdce08
SC		 1071 err = qlcnic_check_flash_fw_ver(adapter);
1072 if (err)
8f891387 1073 goto err_out;
1074
79788450 1075 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
8f891387 1076 }
af19b491
AKS		 1077
1078 err = qlcnic_need_fw_reset(adapter);
af19b491 1079 if (err == 0)
4e70812b 1080 goto check_fw_status;
af19b491 1081
d4066833
SC		 1082 err = qlcnic_pinit_from_rom(adapter);
1083 if (err)
1084 goto err_out;
af19b491
AKS		 1085
1086 err = qlcnic_load_firmware(adapter);
1087 if (err)
1088 goto err_out;
1089
1090 qlcnic_release_firmware(adapter);
d4066833 1091 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
af19b491 1092
d4066833
SC		 1093check_fw_status:
1094 err = qlcnic_check_fw_status(adapter);
af19b491
AKS		 1095 if (err)
1096 goto err_out;
1097
a15ebd37 1098 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
6df900e9 1099 qlcnic_idc_debug_info(adapter, 1);
0866d96d
AC		 1100 err = qlcnic_check_eswitch_mode(adapter);
1101 if (err) {
1102 dev_err(&adapter->pdev->dev,
1103 "Memory allocation failed for eswitch\n");
1104 goto err_out;
1105 }
174240a8
RB		 1106 err = qlcnic_set_mgmt_operations(adapter);
1107 if (err)
1108 goto err_out;
1109
1110 qlcnic_check_options(adapter);
af19b491
AKS		 1111 adapter->need_fw_reset = 0;
1112
a7fc948f
AKS		 1113 qlcnic_release_firmware(adapter);
1114 return 0;
af19b491
AKS		 1115
1116err_out:
a15ebd37 1117 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
a7fc948f 1118 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
0866d96d 1119
af19b491
AKS		 1120 qlcnic_release_firmware(adapter);
1121 return err;
1122}
1123
1124static int
1125qlcnic_request_irq(struct qlcnic_adapter *adapter)
1126{
1127 irq_handler_t handler;
1128 struct qlcnic_host_sds_ring *sds_ring;
1129 int err, ring;
1130
1131 unsigned long flags = 0;
1132 struct net_device *netdev = adapter->netdev;
b1fc6d3c 1133 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491 1134
79788450 1135 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
7eb9855d
AKS		 1136 handler = qlcnic_tmp_intr;
1137 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1138 flags |= IRQF_SHARED;
1139
1140 } else {
1141 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1142 handler = qlcnic_msix_intr;
1143 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1144 handler = qlcnic_msi_intr;
1145 else {
1146 flags |= IRQF_SHARED;
1147 handler = qlcnic_intr;
1148 }
af19b491
AKS		 1149 }
1150 adapter->irq = netdev->irq;
1151
1152 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1153 sds_ring = &recv_ctx->sds_rings[ring];
1154 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1155 err = request_irq(sds_ring->irq, handler,
1156 flags, sds_ring->name, sds_ring);
1157 if (err)
1158 return err;
1159 }
1160
1161 return 0;
1162}
1163
1164static void
1165qlcnic_free_irq(struct qlcnic_adapter *adapter)
1166{
1167 int ring;
1168 struct qlcnic_host_sds_ring *sds_ring;
1169
b1fc6d3c 1170 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
af19b491
AKS		 1171
1172 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1173 sds_ring = &recv_ctx->sds_rings[ring];
1174 free_irq(sds_ring->irq, sds_ring);
1175 }
1176}
1177
af19b491
AKS		 1178static int
1179__qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1180{
8a15ad1f 1181 int ring;
cae82d49
RB		 1182 u32 capab2;
1183
8a15ad1f
AKS		 1184 struct qlcnic_host_rds_ring *rds_ring;
1185
af19b491
AKS		 1186 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1187 return -EIO;
1188
8a15ad1f
AKS		 1189 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1190 return 0;
0325d69b
RB		 1191 if (qlcnic_set_eswitch_port_config(adapter))
1192 return -EIO;
8a15ad1f 1193
79788450 1194 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
cae82d49
RB		 1195 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1196 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1197 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1198 }
1199
8a15ad1f
AKS		 1200 if (qlcnic_fw_create_ctx(adapter))
1201 return -EIO;
1202
1203 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1204 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1205 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1206 }
1207
af19b491
AKS		 1208 qlcnic_set_multi(netdev);
1209 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1210
b1fc6d3c 1211 adapter->ahw->linkup = 0;
af19b491
AKS		 1212
1213 if (adapter->max_sds_rings > 1)
1214 qlcnic_config_rss(adapter, 1);
1215
1216 qlcnic_config_intr_coalesce(adapter);
1217
24763d80 1218 if (netdev->features & NETIF_F_LRO)
af19b491
AKS		 1219 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1220
1221 qlcnic_napi_enable(adapter);
1222
1223 qlcnic_linkevent_request(adapter, 1);
1224
79788450 1225 adapter->ahw->reset_context = 0;
af19b491
AKS		 1226 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1227 return 0;
1228}
1229
1230/* Usage: During resume and firmware recovery module.*/
1231
1232static int
1233qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1234{
1235 int err = 0;
1236
1237 rtnl_lock();
1238 if (netif_running(netdev))
1239 err = __qlcnic_up(adapter, netdev);
1240 rtnl_unlock();
1241
1242 return err;
1243}
1244
1245static void
1246__qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1247{
1248 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1249 return;
1250
1251 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1252 return;
1253
1254 smp_mb();
1255 spin_lock(&adapter->tx_clean_lock);
1256 netif_carrier_off(netdev);
1257 netif_tx_disable(netdev);
1258
1259 qlcnic_free_mac_list(adapter);
1260
b5e5492c
AKS		 1261 if (adapter->fhash.fnum)
1262 qlcnic_delete_lb_filters(adapter);
1263
af19b491
AKS		 1264 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1265
1266 qlcnic_napi_disable(adapter);
1267
8a15ad1f 1268 qlcnic_fw_destroy_ctx(adapter);
cae82d49 1269 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
8a15ad1f
AKS		 1270
1271 qlcnic_reset_rx_buffers_list(adapter);
af19b491
AKS		 1272 qlcnic_release_tx_buffers(adapter);
1273 spin_unlock(&adapter->tx_clean_lock);
1274}
1275
1276/* Usage: During suspend and firmware recovery module */
1277
1278static void
1279qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1280{
1281 rtnl_lock();
1282 if (netif_running(netdev))
1283 __qlcnic_down(adapter, netdev);
1284 rtnl_unlock();
1285
1286}
1287
1288static int
1289qlcnic_attach(struct qlcnic_adapter *adapter)
1290{
1291 struct net_device *netdev = adapter->netdev;
1292 struct pci_dev *pdev = adapter->pdev;
8a15ad1f 1293 int err;
af19b491
AKS		 1294
1295 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1296 return 0;
1297
af19b491
AKS		 1298 err = qlcnic_napi_add(adapter, netdev);
1299 if (err)
1300 return err;
1301
1302 err = qlcnic_alloc_sw_resources(adapter);
1303 if (err) {
1304 dev_err(&pdev->dev, "Error in setting sw resources\n");
8a15ad1f 1305 goto err_out_napi_del;
af19b491
AKS		 1306 }
1307
1308 err = qlcnic_alloc_hw_resources(adapter);
1309 if (err) {
1310 dev_err(&pdev->dev, "Error in setting hw resources\n");
1311 goto err_out_free_sw;
1312 }
1313
af19b491
AKS		 1314 err = qlcnic_request_irq(adapter);
1315 if (err) {
1316 dev_err(&pdev->dev, "failed to setup interrupt\n");
8a15ad1f 1317 goto err_out_free_hw;
af19b491
AKS		 1318 }
1319
af19b491
AKS		 1320 qlcnic_create_sysfs_entries(adapter);
1321
1322 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1323 return 0;
1324
8a15ad1f 1325err_out_free_hw:
af19b491
AKS		 1326 qlcnic_free_hw_resources(adapter);
1327err_out_free_sw:
1328 qlcnic_free_sw_resources(adapter);
8a15ad1f
AKS		 1329err_out_napi_del:
1330 qlcnic_napi_del(adapter);
af19b491
AKS		 1331 return err;
1332}
1333
1334static void
1335qlcnic_detach(struct qlcnic_adapter *adapter)
1336{
1337 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1338 return;
1339
1340 qlcnic_remove_sysfs_entries(adapter);
1341
1342 qlcnic_free_hw_resources(adapter);
1343 qlcnic_release_rx_buffers(adapter);
1344 qlcnic_free_irq(adapter);
1345 qlcnic_napi_del(adapter);
1346 qlcnic_free_sw_resources(adapter);
1347
1348 adapter->is_up = 0;
1349}
1350
7eb9855d
AKS		 1351void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1352{
1353 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1354 struct qlcnic_host_sds_ring *sds_ring;
1355 int ring;
1356
78ad3892 1357 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
79788450 1358 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1359 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1360 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1361 qlcnic_disable_int(sds_ring);
1362 }
7eb9855d
AKS		 1363 }
1364
8a15ad1f
AKS		 1365 qlcnic_fw_destroy_ctx(adapter);
1366
7eb9855d
AKS		 1367 qlcnic_detach(adapter);
1368
79788450 1369 adapter->ahw->diag_test = 0;
7eb9855d
AKS		 1370 adapter->max_sds_rings = max_sds_rings;
1371
1372 if (qlcnic_attach(adapter))
34ce3626 1373 goto out;
7eb9855d
AKS		 1374
1375 if (netif_running(netdev))
1376 __qlcnic_up(adapter, netdev);
34ce3626 1377out:
7eb9855d
AKS		 1378 netif_device_attach(netdev);
1379}
1380
b1fc6d3c
AC		 1381static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1382{
1383 int err = 0;
b1fc6d3c
AC		 1384 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1385 GFP_KERNEL);
1386 if (!adapter->recv_ctx) {
1387 dev_err(&adapter->pdev->dev,
1388 "Failed to allocate recv ctx resources for adapter\n");
b1fc6d3c 1389 err = -ENOMEM;
8816d009 1390 goto err_out;
b1fc6d3c 1391 }
8816d009
AC		 1392 /* Initialize interrupt coalesce parameters */
1393 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1394 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1395 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
4be41e92
SC		 1396 /* clear stats */
1397 memset(&adapter->stats, 0, sizeof(adapter->stats));
b1fc6d3c
AC		 1398err_out:
1399 return err;
1400}
1401
1402static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1403{
1404 kfree(adapter->recv_ctx);
1405 adapter->recv_ctx = NULL;
1406
18f2f616
AC		 1407 if (adapter->ahw->fw_dump.tmpl_hdr) {
1408 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1409 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1410 }
4be41e92
SC		 1411
1412 adapter->ahw->fw_dump.tmpl_hdr = NULL;
b1fc6d3c
AC		 1413}
1414
7eb9855d
AKS		 1415int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1416{
1417 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1418 struct qlcnic_host_sds_ring *sds_ring;
8a15ad1f 1419 struct qlcnic_host_rds_ring *rds_ring;
7eb9855d
AKS		 1420 int ring;
1421 int ret;
1422
1423 netif_device_detach(netdev);
1424
1425 if (netif_running(netdev))
1426 __qlcnic_down(adapter, netdev);
1427
1428 qlcnic_detach(adapter);
1429
1430 adapter->max_sds_rings = 1;
79788450 1431 adapter->ahw->diag_test = test;
4be41e92 1432 adapter->ahw->linkup = 0;
7eb9855d
AKS		 1433
1434 ret = qlcnic_attach(adapter);
34ce3626
AKS		 1435 if (ret) {
1436 netif_device_attach(netdev);
7eb9855d 1437 return ret;
34ce3626 1438 }
7eb9855d 1439
8a15ad1f
AKS		 1440 ret = qlcnic_fw_create_ctx(adapter);
1441 if (ret) {
1442 qlcnic_detach(adapter);
57e46248 1443 netif_device_attach(netdev);
8a15ad1f
AKS		 1444 return ret;
1445 }
1446
1447 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
b1fc6d3c 1448 rds_ring = &adapter->recv_ctx->rds_rings[ring];
4be41e92 1449 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
8a15ad1f
AKS		 1450 }
1451
79788450 1452 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
cdaff185 1453 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
b1fc6d3c 1454 sds_ring = &adapter->recv_ctx->sds_rings[ring];
cdaff185
AKS		 1455 qlcnic_enable_int(sds_ring);
1456 }
7eb9855d 1457 }
22c8c934 1458
79788450 1459 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
22c8c934
SC		 1460 adapter->ahw->loopback_state = 0;
1461 qlcnic_linkevent_request(adapter, 1);
1462 }
1463
78ad3892 1464 set_bit(__QLCNIC_DEV_UP, &adapter->state);
7eb9855d
AKS		 1465
1466 return 0;
1467}
1468
68bf1c68
AKS		 1469/* Reset context in hardware only */
1470static int
1471qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1472{
1473 struct net_device *netdev = adapter->netdev;
1474
1475 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1476 return -EBUSY;
1477
1478 netif_device_detach(netdev);
1479
1480 qlcnic_down(adapter, netdev);
1481
1482 qlcnic_up(adapter, netdev);
1483
1484 netif_device_attach(netdev);
1485
1486 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1487 return 0;
1488}
1489
af19b491
AKS		 1490int
1491qlcnic_reset_context(struct qlcnic_adapter *adapter)
1492{
1493 int err = 0;
1494 struct net_device *netdev = adapter->netdev;
1495
1496 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1497 return -EBUSY;
1498
1499 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1500
1501 netif_device_detach(netdev);
1502
1503 if (netif_running(netdev))
1504 __qlcnic_down(adapter, netdev);
1505
1506 qlcnic_detach(adapter);
1507
1508 if (netif_running(netdev)) {
1509 err = qlcnic_attach(adapter);
1d5c88e3 1510 if (!err) {
34ce3626 1511 __qlcnic_up(adapter, netdev);
1d5c88e3
AC		 1512 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1513 }
af19b491
AKS		 1514 }
1515
1516 netif_device_attach(netdev);
1517 }
1518
af19b491
AKS		 1519 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1520 return err;
1521}
1522
1523static int
5ad6ff9d
SC		 1524qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1525 int pci_using_dac)
af19b491
AKS		 1526{
1527 int err;
1528 struct pci_dev *pdev = adapter->pdev;
1529
79788450
SC		 1530 adapter->ahw->mc_enabled = 0;
1531 adapter->ahw->max_mc_count = 38;
af19b491
AKS		 1532
1533 netdev->netdev_ops = &qlcnic_netdev_ops;
ef71ff83 1534 netdev->watchdog_timeo = 5*HZ;
af19b491
AKS		 1535
1536 qlcnic_change_mtu(netdev, netdev->mtu);
1537
1538 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1539
135d84a9
MM		 1540 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1541 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
ac8d0c4f 1542
79788450 1543 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
135d84a9 1544 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
5ad6ff9d 1545 if (pci_using_dac == 1)
135d84a9 1546 netdev->hw_features |= NETIF_F_HIGHDMA;
af19b491 1547
135d84a9 1548 netdev->vlan_features = netdev->hw_features;
af19b491 1549
79788450 1550 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
135d84a9 1551 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
79788450 1552 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
135d84a9
MM		 1553 netdev->hw_features |= NETIF_F_LRO;
1554
1555 netdev->features |= netdev->hw_features |
1556 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1557
af19b491
AKS		 1558 netdev->irq = adapter->msix_entries[0].vector;
1559
af19b491
AKS		 1560 err = register_netdev(netdev);
1561 if (err) {
1562 dev_err(&pdev->dev, "failed to register net device\n");
1563 return err;
1564 }
1565
1566 return 0;
1567}
1568
5ad6ff9d 1569static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1bb09fb9
AKS		 1570{
1571 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1572 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1573 *pci_using_dac = 1;
1574 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1575 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1576 *pci_using_dac = 0;
1577 else {
1578 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1579 return -EIO;
1580 }
1581
1582 return 0;
1583}
1584
f94bc1e7
SC		 1585static int
1586qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1587{
1588 adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1589 GFP_KERNEL);
1590
1591 if (adapter->msix_entries)
1592 return 0;
1593
1594 dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1595 return -ENOMEM;
1596}
1597
4be41e92
SC		 1598void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1599{
1600 int ring;
1601 struct qlcnic_host_tx_ring *tx_ring;
1602
1603 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1604 tx_ring = &adapter->tx_ring[ring];
1605 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1606 vfree(tx_ring->cmd_buf_arr);
1607 tx_ring->cmd_buf_arr = NULL;
1608 }
1609 }
1610 if (adapter->tx_ring != NULL)
1611 kfree(adapter->tx_ring);
1612}
1613
1614int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1615 struct net_device *netdev)
1616{
1617 int ring, size, vector, index;
1618 struct qlcnic_host_tx_ring *tx_ring;
1619 struct qlcnic_cmd_buffer *cmd_buf_arr;
1620
1621 size = adapter->max_drv_tx_rings * sizeof(struct qlcnic_host_tx_ring);
1622 tx_ring = kzalloc(size, GFP_KERNEL);
1623 if (tx_ring == NULL) {
1624 dev_err(&netdev->dev, "failed to allocate tx rings\n");
1625 return -ENOMEM;
1626 }
1627 adapter->tx_ring = tx_ring;
1628
1629 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1630 tx_ring = &adapter->tx_ring[ring];
1631 tx_ring->num_desc = adapter->num_txd;
1632 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1633 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1634 if (cmd_buf_arr == NULL) {
1635 dev_err(&netdev->dev,
1636 "failed to allocate cmd buffer ring\n");
1637 qlcnic_free_tx_rings(adapter);
1638 return -ENOMEM;
1639 }
1640 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1641 tx_ring->cmd_buf_arr = cmd_buf_arr;
1642 }
1643
1644 if (qlcnic_83xx_check(adapter)) {
1645 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1646 tx_ring = &adapter->tx_ring[ring];
1647 tx_ring->adapter = adapter;
1648 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1649 index = adapter->max_sds_rings + ring;
1650 vector = adapter->msix_entries[index].vector;
1651 tx_ring->irq = vector;
1652 }
1653 }
1654 }
1655 return 0;
1656}
1657
7e2cf4fe 1658static int __devinit
af19b491
AKS		 1659qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1660{
1661 struct net_device *netdev = NULL;
1662 struct qlcnic_adapter *adapter = NULL;
7e2cf4fe 1663 struct qlcnic_hardware_context *ahw;
5ad6ff9d 1664 int err, pci_using_dac = -1;
22999798 1665 char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
af19b491
AKS		 1666
1667 err = pci_enable_device(pdev);
1668 if (err)
1669 return err;
1670
1671 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1672 err = -ENODEV;
1673 goto err_out_disable_pdev;
1674 }
1675
1bb09fb9
AKS		 1676 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1677 if (err)
1678 goto err_out_disable_pdev;
1679
af19b491
AKS		 1680 err = pci_request_regions(pdev, qlcnic_driver_name);
1681 if (err)
1682 goto err_out_disable_pdev;
1683
1684 pci_set_master(pdev);
451724c8 1685 pci_enable_pcie_error_reporting(pdev);
af19b491 1686
7e2cf4fe
SC		 1687 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1688 if (!ahw)
1689 goto err_out_free_res;
1690
1691 if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
1692 ahw->hw_ops = &qlcnic_hw_ops;
1693 ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
1694 }
1695
1696 err = qlcnic_setup_pci_map(pdev, ahw);
1697 if (err)
1698 goto err_out_free_hw_res;
1699
af19b491
AKS		 1700 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1701 if (!netdev) {
af19b491 1702 err = -ENOMEM;
7e2cf4fe 1703 goto err_out_iounmap;
af19b491
AKS		 1704 }
1705
1706 SET_NETDEV_DEV(netdev, &pdev->dev);
1707
1708 adapter = netdev_priv(netdev);
1709 adapter->netdev = netdev;
1710 adapter->pdev = pdev;
af19b491 1711
2dfc9671
PST		 1712 err = qlcnic_alloc_adapter_resources(adapter);
1713 if (err)
b1fc6d3c
AC		 1714 goto err_out_free_netdev;
1715
1716 adapter->dev_rst_time = jiffies;
7e2cf4fe 1717 adapter->ahw->revision_id = pdev->revision;
e5dcf6dc 1718 adapter->mac_learn = qlcnic_mac_learn;
7e2cf4fe 1719 adapter->max_drv_tx_rings = 1;
af19b491 1720
b1fc6d3c
AC		 1721 rwlock_init(&adapter->ahw->crb_lock);
1722 mutex_init(&adapter->ahw->mem_lock);
af19b491
AKS		 1723
1724 spin_lock_init(&adapter->tx_clean_lock);
1725 INIT_LIST_HEAD(&adapter->mac_list);
1726
7e2cf4fe
SC		 1727 if (qlcnic_82xx_check(adapter)) {
1728 qlcnic_check_vf(adapter);
1729 adapter->portnum = adapter->ahw->pci_func;
1730 err = qlcnic_start_firmware(adapter);
1731 if (err) {
1732 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1733 goto err_out_free_hw;
1734 }
af19b491 1735
7e2cf4fe
SC		 1736 err = qlcnic_setup_idc_param(adapter);
1737 if (err)
1738 goto err_out_free_hw;
b0044bcf 1739
7e2cf4fe 1740 adapter->flags |= QLCNIC_NEED_FLR;
a7fc948f 1741 }
af19b491 1742
da48e6c3
RB		 1743 if (qlcnic_read_mac_addr(adapter))
1744 dev_warn(&pdev->dev, "failed to read mac addr\n");
1745
1746 if (adapter->portnum == 0) {
22999798 1747 qlcnic_get_board_name(adapter, board_name);
da48e6c3 1748 pr_info("%s: %s Board Chip rev 0x%x\n",
22999798
SC		 1749 module_name(THIS_MODULE),
1750 board_name, adapter->ahw->revision_id);
da48e6c3 1751 }
79788450 1752 err = qlcnic_alloc_msix_entries(adapter, adapter->ahw->max_rx_ques);
f94bc1e7 1753 if (err)
7e2cf4fe
SC		 1754 goto err_out_disable_msi;
1755
1756 err = qlcnic_setup_intr(adapter, 0);
1757 if (err)
1758 goto err_out_disable_msi;
f94bc1e7 1759
af19b491 1760
1bb09fb9 1761 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
af19b491 1762 if (err)
7e2cf4fe 1763 goto err_out_disable_mbx_intr;
af19b491
AKS		 1764
1765 pci_set_drvdata(pdev, adapter);
1766
97ee45eb
SC		 1767 if (qlcnic_82xx_check(adapter))
1768 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1769 FW_POLL_DELAY);
af19b491 1770
b1fc6d3c 1771 switch (adapter->ahw->port_type) {
af19b491
AKS		 1772 case QLCNIC_GBE:
1773 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1774 adapter->netdev->name);
1775 break;
1776 case QLCNIC_XGBE:
1777 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1778 adapter->netdev->name);
1779 break;
1780 }
1781
7e2cf4fe
SC		 1782 if (qlcnic_get_act_pci_func(adapter))
1783 goto err_out_disable_mbx_intr;
1784
e5dcf6dc
SC		 1785 if (adapter->mac_learn)
1786 qlcnic_alloc_lb_filters_mem(adapter);
1787
7e2cf4fe 1788 qlcnic_add_sysfs(adapter);
af19b491
AKS		 1789
1790 return 0;
1791
7e2cf4fe
SC		 1792err_out_disable_mbx_intr:
1793
af19b491
AKS		 1794err_out_disable_msi:
1795 qlcnic_teardown_intr(adapter);
7e2cf4fe 1796 qlcnic_cancel_idc_work(adapter);
21854f02 1797 qlcnic_clr_all_drv_state(adapter, 0);
af19b491 1798
b1fc6d3c
AC		 1799err_out_free_hw:
1800 qlcnic_free_adapter_resources(adapter);
1801
af19b491
AKS		 1802err_out_free_netdev:
1803 free_netdev(netdev);
1804
7e2cf4fe
SC		 1805err_out_iounmap:
1806 qlcnic_cleanup_pci_map(adapter);
1807
1808err_out_free_hw_res:
1809 kfree(ahw);
1810
af19b491
AKS		 1811err_out_free_res:
1812 pci_release_regions(pdev);
1813
1814err_out_disable_pdev:
1815 pci_set_drvdata(pdev, NULL);
1816 pci_disable_device(pdev);
1817 return err;
1818}
1819
6bb58bb0 1820static void qlcnic_remove(struct pci_dev *pdev)
af19b491
AKS		 1821{
1822 struct qlcnic_adapter *adapter;
1823 struct net_device *netdev;
1824
1825 adapter = pci_get_drvdata(pdev);
1826 if (adapter == NULL)
1827 return;
1828
1829 netdev = adapter->netdev;
1830
1831 qlcnic_cancel_fw_work(adapter);
1832
1833 unregister_netdev(netdev);
1834
af19b491
AKS		 1835 qlcnic_detach(adapter);
1836
2e9d722d
AC		 1837 if (adapter->npars != NULL)
1838 kfree(adapter->npars);
1839 if (adapter->eswitch != NULL)
1840 kfree(adapter->eswitch);
1841
97ee45eb
SC		 1842 if (qlcnic_82xx_check(adapter))
1843 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1844
1845 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1846
b5e5492c
AKS		 1847 qlcnic_free_lb_filters_mem(adapter);
1848
af19b491 1849 qlcnic_teardown_intr(adapter);
f94bc1e7 1850 kfree(adapter->msix_entries);
af19b491
AKS		 1851
1852 qlcnic_remove_diag_entries(adapter);
1853
1854 qlcnic_cleanup_pci_map(adapter);
1855
1856 qlcnic_release_firmware(adapter);
1857
451724c8 1858 pci_disable_pcie_error_reporting(pdev);
af19b491
AKS		 1859 pci_release_regions(pdev);
1860 pci_disable_device(pdev);
1861 pci_set_drvdata(pdev, NULL);
1862
b1fc6d3c 1863 qlcnic_free_adapter_resources(adapter);
af19b491
AKS		 1864 free_netdev(netdev);
1865}
1866static int __qlcnic_shutdown(struct pci_dev *pdev)
1867{
1868 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1869 struct net_device *netdev = adapter->netdev;
1870 int retval;
1871
1872 netif_device_detach(netdev);
1873
1874 qlcnic_cancel_fw_work(adapter);
1875
1876 if (netif_running(netdev))
1877 qlcnic_down(adapter, netdev);
1878
97ee45eb
SC		 1879 if (qlcnic_82xx_check(adapter))
1880 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 1881
1882 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1883
1884 retval = pci_save_state(pdev);
1885 if (retval)
1886 return retval;
1887
97ee45eb
SC		 1888 if (qlcnic_82xx_check(adapter)) {
1889 if (qlcnic_wol_supported(adapter)) {
1890 pci_enable_wake(pdev, PCI_D3cold, 1);
1891 pci_enable_wake(pdev, PCI_D3hot, 1);
1892 }
af19b491
AKS		 1893 }
1894
1895 return 0;
1896}
1897
1898static void qlcnic_shutdown(struct pci_dev *pdev)
1899{
1900 if (__qlcnic_shutdown(pdev))
1901 return;
1902
1903 pci_disable_device(pdev);
1904}
1905
1906#ifdef CONFIG_PM
1907static int
1908qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1909{
1910 int retval;
1911
1912 retval = __qlcnic_shutdown(pdev);
1913 if (retval)
1914 return retval;
1915
1916 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1917 return 0;
1918}
1919
1920static int
1921qlcnic_resume(struct pci_dev *pdev)
1922{
1923 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1924 struct net_device *netdev = adapter->netdev;
1925 int err;
1926
1927 err = pci_enable_device(pdev);
1928 if (err)
1929 return err;
1930
1931 pci_set_power_state(pdev, PCI_D0);
1932 pci_set_master(pdev);
1933 pci_restore_state(pdev);
1934
9f26f547 1935 err = adapter->nic_ops->start_firmware(adapter);
af19b491
AKS		 1936 if (err) {
1937 dev_err(&pdev->dev, "failed to start firmware\n");
1938 return err;
1939 }
1940
1941 if (netif_running(netdev)) {
af19b491
AKS		 1942 err = qlcnic_up(adapter, netdev);
1943 if (err)
52486a3a 1944 goto done;
af19b491 1945
aec1e845 1946 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491 1947 }
52486a3a 1948done:
af19b491
AKS		 1949 netif_device_attach(netdev);
1950 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1951 return 0;
af19b491
AKS		 1952}
1953#endif
1954
1955static int qlcnic_open(struct net_device *netdev)
1956{
1957 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b43e5ee7 1958 u32 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
af19b491
AKS		 1959 int err;
1960
b43e5ee7
SC		 1961 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
1962 netdev_err(netdev, "Device in FAILED state\n");
1963 return -EIO;
1964 }
1965
c55ad8e5
AKS		 1966 netif_carrier_off(netdev);
1967
af19b491
AKS		 1968 err = qlcnic_attach(adapter);
1969 if (err)
1970 return err;
1971
1972 err = __qlcnic_up(adapter, netdev);
1973 if (err)
1974 goto err_out;
1975
1976 netif_start_queue(netdev);
1977
1978 return 0;
1979
1980err_out:
1981 qlcnic_detach(adapter);
1982 return err;
1983}
1984
1985/*
1986 * qlcnic_close - Disables a network interface entry point
1987 */
1988static int qlcnic_close(struct net_device *netdev)
1989{
1990 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1991
1992 __qlcnic_down(adapter, netdev);
1993 return 0;
1994}
1995
e5dcf6dc 1996void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
b5e5492c
AKS		 1997{
1998 void *head;
1999 int i;
2000
e5dcf6dc 2001 if (adapter->fhash.fmax && adapter->fhash.fhead)
b5e5492c
AKS		 2002 return;
2003
2004 spin_lock_init(&adapter->mac_learn_lock);
2005
2006 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
2007 GFP_KERNEL);
2008 if (!head)
2009 return;
2010
2011 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
43d620c8 2012 adapter->fhash.fhead = head;
b5e5492c
AKS		 2013
2014 for (i = 0; i < adapter->fhash.fmax; i++)
2015 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2016}
2017
2018static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2019{
2020 if (adapter->fhash.fmax && adapter->fhash.fhead)
2021 kfree(adapter->fhash.fhead);
2022
2023 adapter->fhash.fhead = NULL;
2024 adapter->fhash.fmax = 0;
2025}
2026
af19b491
AKS		 2027static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2028{
2029 struct net_device *netdev = adapter->netdev;
97ee45eb 2030 u32 temp_state, temp_val, temp = 0;
af19b491
AKS		 2031 int rv = 0;
2032
97ee45eb 2033 if (qlcnic_82xx_check(adapter))
a15ebd37 2034 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
af19b491
AKS		 2035
2036 temp_state = qlcnic_get_temp_state(temp);
2037 temp_val = qlcnic_get_temp_val(temp);
2038
2039 if (temp_state == QLCNIC_TEMP_PANIC) {
2040 dev_err(&netdev->dev,
2041 "Device temperature %d degrees C exceeds"
2042 " maximum allowed. Hardware has been shut down.\n",
2043 temp_val);
2044 rv = 1;
2045 } else if (temp_state == QLCNIC_TEMP_WARN) {
79788450 2046 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
af19b491
AKS		 2047 dev_err(&netdev->dev,
2048 "Device temperature %d degrees C "
2049 "exceeds operating range."
2050 " Immediate action needed.\n",
2051 temp_val);
2052 }
2053 } else {
79788450 2054 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
af19b491
AKS		 2055 dev_info(&netdev->dev,
2056 "Device temperature is now %d degrees C"
2057 " in normal range.\n", temp_val);
2058 }
2059 }
79788450 2060 adapter->ahw->temp = temp_state;
af19b491
AKS		 2061 return rv;
2062}
2063
af19b491
AKS		 2064static void qlcnic_tx_timeout(struct net_device *netdev)
2065{
2066 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2067
2068 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2069 return;
2070
2071 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
af19b491
AKS		 2072
2073 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
68bf1c68
AKS		 2074 adapter->need_fw_reset = 1;
2075 else
79788450 2076 adapter->ahw->reset_context = 1;
af19b491
AKS		 2077}
2078
2079static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2080{
2081 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2082 struct net_device_stats *stats = &netdev->stats;
2083
af19b491
AKS		 2084 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2085 stats->tx_packets = adapter->stats.xmitfinished;
7e382594 2086 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
af19b491
AKS		 2087 stats->tx_bytes = adapter->stats.txbytes;
2088 stats->rx_dropped = adapter->stats.rxdropped;
2089 stats->tx_dropped = adapter->stats.txdropped;
2090
2091 return stats;
2092}
2093
7e2cf4fe 2094irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
af19b491 2095{
af19b491
AKS		 2096 u32 status;
2097
2098 status = readl(adapter->isr_int_vec);
2099
79788450 2100 if (!(status & adapter->ahw->int_vec_bit))
af19b491
AKS		 2101 return IRQ_NONE;
2102
2103 /* check interrupt state machine, to be sure */
2104 status = readl(adapter->crb_int_state_reg);
2105 if (!ISR_LEGACY_INT_TRIGGERED(status))
2106 return IRQ_NONE;
2107
2108 writel(0xffffffff, adapter->tgt_status_reg);
2109 /* read twice to ensure write is flushed */
2110 readl(adapter->isr_int_vec);
2111 readl(adapter->isr_int_vec);
2112
7eb9855d
AKS		 2113 return IRQ_HANDLED;
2114}
2115
2116static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2117{
2118 struct qlcnic_host_sds_ring *sds_ring = data;
2119 struct qlcnic_adapter *adapter = sds_ring->adapter;
2120
2121 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2122 goto done;
2123 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2124 writel(0xffffffff, adapter->tgt_status_reg);
2125 goto done;
2126 }
2127
2128 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2129 return IRQ_NONE;
2130
2131done:
79788450 2132 adapter->ahw->diag_cnt++;
7eb9855d
AKS		 2133 qlcnic_enable_int(sds_ring);
2134 return IRQ_HANDLED;
2135}
2136
2137static irqreturn_t qlcnic_intr(int irq, void *data)
2138{
2139 struct qlcnic_host_sds_ring *sds_ring = data;
2140 struct qlcnic_adapter *adapter = sds_ring->adapter;
2141
2142 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2143 return IRQ_NONE;
2144
af19b491
AKS		 2145 napi_schedule(&sds_ring->napi);
2146
2147 return IRQ_HANDLED;
2148}
2149
2150static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2151{
2152 struct qlcnic_host_sds_ring *sds_ring = data;
2153 struct qlcnic_adapter *adapter = sds_ring->adapter;
2154
2155 /* clear interrupt */
2156 writel(0xffffffff, adapter->tgt_status_reg);
2157
2158 napi_schedule(&sds_ring->napi);
2159 return IRQ_HANDLED;
2160}
2161
2162static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2163{
2164 struct qlcnic_host_sds_ring *sds_ring = data;
2165
2166 napi_schedule(&sds_ring->napi);
2167 return IRQ_HANDLED;
2168}
2169
af19b491
AKS		 2170#ifdef CONFIG_NET_POLL_CONTROLLER
2171static void qlcnic_poll_controller(struct net_device *netdev)
2172{
bf82791e
YL		 2173 int ring;
2174 struct qlcnic_host_sds_ring *sds_ring;
af19b491 2175 struct qlcnic_adapter *adapter = netdev_priv(netdev);
b1fc6d3c 2176 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
bf82791e 2177
af19b491 2178 disable_irq(adapter->irq);
bf82791e
YL		 2179 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2180 sds_ring = &recv_ctx->sds_rings[ring];
2181 qlcnic_intr(adapter->irq, sds_ring);
2182 }
af19b491
AKS		 2183 enable_irq(adapter->irq);
2184}
2185#endif
2186
6df900e9
SC		 2187static void
2188qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2189{
2190 u32 val;
2191
2192 val = adapter->portnum & 0xf;
2193 val |= encoding << 7;
2194 val |= (jiffies - adapter->dev_rst_time) << 8;
2195
a15ebd37 2196 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
6df900e9
SC		 2197 adapter->dev_rst_time = jiffies;
2198}
2199
ade91f8e
AKS		 2200static int
2201qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
af19b491
AKS		 2202{
2203 u32 val;
2204
2205 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2206 state != QLCNIC_DEV_NEED_QUISCENT);
2207
2208 if (qlcnic_api_lock(adapter))
ade91f8e 2209 return -EIO;
af19b491 2210
a15ebd37 2211 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
af19b491
AKS		 2212
2213 if (state == QLCNIC_DEV_NEED_RESET)
6d2a4724 2214 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
af19b491 2215 else if (state == QLCNIC_DEV_NEED_QUISCENT)
6d2a4724 2216 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
af19b491 2217
a15ebd37 2218 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2219
2220 qlcnic_api_unlock(adapter);
ade91f8e
AKS		 2221
2222 return 0;
af19b491
AKS		 2223}
2224
1b95a839
AKS		 2225static int
2226qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2227{
2228 u32 val;
2229
2230 if (qlcnic_api_lock(adapter))
2231 return -EBUSY;
2232
a15ebd37 2233 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2234 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2235 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1b95a839
AKS		 2236
2237 qlcnic_api_unlock(adapter);
2238
2239 return 0;
2240}
2241
af19b491 2242static void
21854f02 2243qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
af19b491
AKS		 2244{
2245 u32 val;
2246
2247 if (qlcnic_api_lock(adapter))
2248 goto err;
2249
a15ebd37 2250 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724 2251 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
a15ebd37 2252 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491 2253
21854f02 2254 if (failed) {
a15ebd37
HM		 2255 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2256 QLCNIC_DEV_FAILED);
21854f02
AKS		 2257 dev_info(&adapter->pdev->dev,
2258 "Device state set to Failed. Please Reboot\n");
2259 } else if (!(val & 0x11111111))
a15ebd37
HM		 2260 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2261 QLCNIC_DEV_COLD);
af19b491 2262
a15ebd37 2263 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2264 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
a15ebd37 2265 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2266
2267 qlcnic_api_unlock(adapter);
2268err:
2269 adapter->fw_fail_cnt = 0;
032a13c7 2270 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491
AKS		 2271 clear_bit(__QLCNIC_START_FW, &adapter->state);
2272 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2273}
2274
f73dfc50 2275/* Grab api lock, before checking state */
af19b491
AKS		 2276static int
2277qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2278{
602ca6f0 2279 int act, state, active_mask;
a15ebd37 2280 struct qlcnic_hardware_context *ahw = adapter->ahw;
af19b491 2281
a15ebd37
HM		 2282 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2283 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
af19b491 2284
602ca6f0 2285 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
a15ebd37 2286 active_mask = (~(1 << (ahw->pci_func * 4)));
602ca6f0
SV		 2287 act = act & active_mask;
2288 }
2289
af19b491
AKS		 2290 if (((state & 0x11111111) == (act & 0x11111111)) ||
2291 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2292 return 0;
2293 else
2294 return 1;
2295}
2296
96f8118c
SC		 2297static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2298{
a15ebd37 2299 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
96f8118c
SC		 2300
2301 if (val != QLCNIC_DRV_IDC_VER) {
2302 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2303 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2304 }
2305
2306 return 0;
2307}
2308
af19b491
AKS		 2309static int
2310qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2311{
2312 u32 val, prev_state;
aa5e18c0 2313 u8 dev_init_timeo = adapter->dev_init_timeo;
6d2a4724 2314 u8 portnum = adapter->portnum;
96f8118c 2315 u8 ret;
af19b491 2316
f73dfc50
AKS		 2317 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2318 return 1;
2319
af19b491
AKS		 2320 if (qlcnic_api_lock(adapter))
2321 return -1;
2322
a15ebd37 2323 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
6d2a4724
AKS		 2324 if (!(val & (1 << (portnum * 4)))) {
2325 QLC_DEV_SET_REF_CNT(val, portnum);
a15ebd37 2326 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
af19b491
AKS		 2327 }
2328
a15ebd37 2329 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
65b5b420 2330 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
af19b491
AKS		 2331
2332 switch (prev_state) {
2333 case QLCNIC_DEV_COLD:
a15ebd37
HM		 2334 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2335 QLCNIC_DEV_INITIALIZING);
2336 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2337 QLCNIC_DRV_IDC_VER);
6df900e9 2338 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2339 qlcnic_api_unlock(adapter);
2340 return 1;
2341
2342 case QLCNIC_DEV_READY:
96f8118c 2343 ret = qlcnic_check_idc_ver(adapter);
af19b491 2344 qlcnic_api_unlock(adapter);
96f8118c 2345 return ret;
af19b491
AKS		 2346
2347 case QLCNIC_DEV_NEED_RESET:
a15ebd37 2348 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2349 QLC_DEV_SET_RST_RDY(val, portnum);
a15ebd37 2350 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2351 break;
2352
2353 case QLCNIC_DEV_NEED_QUISCENT:
a15ebd37 2354 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2355 QLC_DEV_SET_QSCNT_RDY(val, portnum);
a15ebd37 2356 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2357 break;
2358
2359 case QLCNIC_DEV_FAILED:
a7fc948f 2360 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
af19b491
AKS		 2361 qlcnic_api_unlock(adapter);
2362 return -1;
bbd8c6a4
AKS		 2363
2364 case QLCNIC_DEV_INITIALIZING:
2365 case QLCNIC_DEV_QUISCENT:
2366 break;
af19b491
AKS		 2367 }
2368
2369 qlcnic_api_unlock(adapter);
aa5e18c0
SC		 2370
2371 do {
af19b491 2372 msleep(1000);
a15ebd37 2373 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0
SC		 2374
2375 if (prev_state == QLCNIC_DEV_QUISCENT)
2376 continue;
2377 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
af19b491 2378
65b5b420
AKS		 2379 if (!dev_init_timeo) {
2380 dev_err(&adapter->pdev->dev,
2381 "Waiting for device to initialize timeout\n");
af19b491 2382 return -1;
65b5b420 2383 }
af19b491
AKS		 2384
2385 if (qlcnic_api_lock(adapter))
2386 return -1;
2387
a15ebd37 2388 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
6d2a4724 2389 QLC_DEV_CLR_RST_QSCNT(val, portnum);
a15ebd37 2390 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
af19b491 2391
96f8118c 2392 ret = qlcnic_check_idc_ver(adapter);
af19b491
AKS		 2393 qlcnic_api_unlock(adapter);
2394
96f8118c 2395 return ret;
af19b491
AKS		 2396}
2397
2398static void
2399qlcnic_fwinit_work(struct work_struct *work)
2400{
2401 struct qlcnic_adapter *adapter = container_of(work,
2402 struct qlcnic_adapter, fw_work.work);
3c4b23b1 2403 u32 dev_state = 0xf;
7b749ff4 2404 u32 val;
af19b491 2405
f73dfc50
AKS		 2406 if (qlcnic_api_lock(adapter))
2407 goto err_ret;
af19b491 2408
a15ebd37 2409 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620
AKS		 2410 if (dev_state == QLCNIC_DEV_QUISCENT ||
2411 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
a5e463d0
SC		 2412 qlcnic_api_unlock(adapter);
2413 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2414 FW_POLL_DELAY * 2);
2415 return;
2416 }
2417
79788450 2418 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3c4b23b1
AKS		 2419 qlcnic_api_unlock(adapter);
2420 goto wait_npar;
9f26f547
AC		 2421 }
2422
16e3cf73
SV		 2423 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2424 dev_state == QLCNIC_DEV_READY) {
2425 dev_info(&adapter->pdev->dev, "Detected state change from "
2426 "DEV_NEED_RESET, skipping ack check\n");
2427 goto skip_ack_check;
2428 }
2429
f73dfc50 2430 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
16e3cf73 2431 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
f73dfc50
AKS		 2432 adapter->reset_ack_timeo);
2433 goto skip_ack_check;
2434 }
2435
2436 if (!qlcnic_check_drv_state(adapter)) {
2437skip_ack_check:
a15ebd37 2438 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
a5e463d0 2439
f73dfc50 2440 if (dev_state == QLCNIC_DEV_NEED_RESET) {
a15ebd37
HM		 2441 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2442 QLCNIC_DEV_INITIALIZING);
f73dfc50
AKS		 2443 set_bit(__QLCNIC_START_FW, &adapter->state);
2444 QLCDB(adapter, DRV, "Restarting fw\n");
6df900e9 2445 qlcnic_idc_debug_info(adapter, 0);
a15ebd37
HM		 2446 val = QLC_SHARED_REG_RD32(adapter,
2447 QLCNIC_CRB_DRV_STATE);
7b749ff4 2448 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
a15ebd37
HM		 2449 QLC_SHARED_REG_WR32(adapter,
2450 QLCNIC_CRB_DRV_STATE, val);
af19b491
AKS		 2451 }
2452
f73dfc50
AKS		 2453 qlcnic_api_unlock(adapter);
2454
287e38aa 2455 rtnl_lock();
7b749ff4
SV		 2456 if (adapter->ahw->fw_dump.enable &&
2457 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
9d6a6440
AC		 2458 QLCDB(adapter, DRV, "Take FW dump\n");
2459 qlcnic_dump_fw(adapter);
032a13c7 2460 adapter->flags |= QLCNIC_FW_HANG;
9d6a6440 2461 }
287e38aa 2462 rtnl_unlock();
7b749ff4
SV		 2463
2464 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
9f26f547 2465 if (!adapter->nic_ops->start_firmware(adapter)) {
af19b491 2466 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2467 adapter->fw_wait_cnt = 0;
af19b491
AKS		 2468 return;
2469 }
af19b491
AKS		 2470 goto err_ret;
2471 }
2472
f73dfc50 2473 qlcnic_api_unlock(adapter);
aa5e18c0 2474
9f26f547 2475wait_npar:
a15ebd37 2476 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
f73dfc50 2477 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
65b5b420 2478
af19b491 2479 switch (dev_state) {
3c4b23b1 2480 case QLCNIC_DEV_READY:
7e2cf4fe 2481 if (!qlcnic_start_firmware(adapter)) {
f73dfc50 2482 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
b18971d1 2483 adapter->fw_wait_cnt = 0;
f73dfc50
AKS		 2484 return;
2485 }
3c4b23b1
AKS		 2486 case QLCNIC_DEV_FAILED:
2487 break;
2488 default:
2489 qlcnic_schedule_work(adapter,
2490 qlcnic_fwinit_work, FW_POLL_DELAY);
2491 return;
af19b491
AKS		 2492 }
2493
2494err_ret:
f73dfc50
AKS		 2495 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2496 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
34ce3626 2497 netif_device_attach(adapter->netdev);
21854f02 2498 qlcnic_clr_all_drv_state(adapter, 0);
af19b491
AKS		 2499}
2500
2501static void
2502qlcnic_detach_work(struct work_struct *work)
2503{
2504 struct qlcnic_adapter *adapter = container_of(work,
2505 struct qlcnic_adapter, fw_work.work);
2506 struct net_device *netdev = adapter->netdev;
2507 u32 status;
2508
2509 netif_device_detach(netdev);
2510
b8c17620
AKS		 2511 /* Dont grab rtnl lock during Quiscent mode */
2512 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2513 if (netif_running(netdev))
2514 __qlcnic_down(adapter, netdev);
2515 } else
2516 qlcnic_down(adapter, netdev);
af19b491 2517
a15ebd37 2518 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
af19b491 2519
44f65b29
SC		 2520 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2521 dev_err(&adapter->pdev->dev,
2522 "Detaching the device: peg halt status1=0x%x\n",
2523 status);
2524
2525 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2526 dev_err(&adapter->pdev->dev,
2527 "On board active cooling fan failed. "
2528 "Device has been halted.\n");
2529 dev_err(&adapter->pdev->dev,
2530 "Replace the adapter.\n");
2531 }
2532
af19b491 2533 goto err_ret;
44f65b29 2534 }
af19b491 2535
79788450 2536 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
44f65b29 2537 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
79788450 2538 adapter->ahw->temp);
af19b491 2539 goto err_ret;
44f65b29
SC		 2540 }
2541
602ca6f0
SV		 2542 /* Dont ack if this instance is the reset owner */
2543 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
44f65b29
SC		 2544 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2545 dev_err(&adapter->pdev->dev,
2546 "Failed to set driver state,"
2547 "detaching the device.\n");
602ca6f0 2548 goto err_ret;
44f65b29 2549 }
602ca6f0 2550 }
af19b491
AKS		 2551
2552 adapter->fw_wait_cnt = 0;
2553
2554 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2555
2556 return;
2557
2558err_ret:
34ce3626 2559 netif_device_attach(netdev);
21854f02 2560 qlcnic_clr_all_drv_state(adapter, 1);
af19b491
AKS		 2561}
2562
3c4b23b1
AKS		 2563/*Transit NPAR state to NON Operational */
2564static void
2565qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2566{
2567 u32 state;
2568
a15ebd37 2569 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3c4b23b1
AKS		 2570 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2571 return;
2572
2573 if (qlcnic_api_lock(adapter))
2574 return;
a15ebd37
HM		 2575 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2576 QLCNIC_DEV_NPAR_NON_OPER);
3c4b23b1
AKS		 2577 qlcnic_api_unlock(adapter);
2578}
2579
7e2cf4fe 2580void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
af19b491 2581{
646779f1
SV		 2582 u32 state, xg_val = 0, gb_val = 0;
2583
2584 qlcnic_xg_set_xg0_mask(xg_val);
2585 qlcnic_xg_set_xg1_mask(xg_val);
2586 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2587 qlcnic_gb_set_gb0_mask(gb_val);
2588 qlcnic_gb_set_gb1_mask(gb_val);
2589 qlcnic_gb_set_gb2_mask(gb_val);
2590 qlcnic_gb_set_gb3_mask(gb_val);
2591 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2592 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2593 " on all ports\n");
cea8975e 2594 adapter->need_fw_reset = 1;
af19b491
AKS		 2595 if (qlcnic_api_lock(adapter))
2596 return;
2597
2598 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
b43e5ee7
SC		 2599 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
2600 netdev_err(adapter->netdev,
2601 "Device is in FAILED state, Please Reboot\n");
2602 qlcnic_api_unlock(adapter);
2603 return;
2604 }
af19b491 2605
f73dfc50 2606 if (state == QLCNIC_DEV_READY) {
af19b491 2607 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
602ca6f0 2608 adapter->flags |= QLCNIC_FW_RESET_OWNER;
65b5b420 2609 QLCDB(adapter, DRV, "NEED_RESET state set\n");
6df900e9 2610 qlcnic_idc_debug_info(adapter, 0);
af19b491
AKS		 2611 }
2612
3c4b23b1 2613 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
af19b491
AKS		 2614 qlcnic_api_unlock(adapter);
2615}
2616
9f26f547
AC		 2617/* Transit to NPAR READY state from NPAR NOT READY state */
2618static void
2619qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2620{
9f26f547
AC		 2621 if (qlcnic_api_lock(adapter))
2622 return;
2623
a15ebd37
HM		 2624 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2625 QLCNIC_DEV_NPAR_OPER);
3c4b23b1 2626 QLCDB(adapter, DRV, "NPAR operational state set\n");
9f26f547
AC		 2627
2628 qlcnic_api_unlock(adapter);
2629}
2630
af19b491
AKS		 2631static void
2632qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2633 work_func_t func, int delay)
2634{
451724c8
SC		 2635 if (test_bit(__QLCNIC_AER, &adapter->state))
2636 return;
2637
af19b491 2638 INIT_DELAYED_WORK(&adapter->fw_work, func);
f7ec804a
AKS		 2639 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
2640 round_jiffies_relative(delay));
af19b491
AKS		 2641}
2642
2643static void
2644qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2645{
2646 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2647 msleep(10);
2648
b43e5ee7
SC		 2649 if (!adapter->fw_work.work.func)
2650 return;
2651
af19b491
AKS		 2652 cancel_delayed_work_sync(&adapter->fw_work);
2653}
2654
2655static void
2656qlcnic_attach_work(struct work_struct *work)
2657{
2658 struct qlcnic_adapter *adapter = container_of(work,
2659 struct qlcnic_adapter, fw_work.work);
2660 struct net_device *netdev = adapter->netdev;
b18971d1 2661 u32 npar_state;
af19b491 2662
79788450 2663 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
a15ebd37
HM		 2664 npar_state = QLC_SHARED_REG_RD32(adapter,
2665 QLCNIC_CRB_DEV_NPAR_STATE);
b18971d1
AKS		 2666 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2667 qlcnic_clr_all_drv_state(adapter, 0);
2668 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2669 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2670 FW_POLL_DELAY);
2671 else
2672 goto attach;
2673 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2674 return;
2675 }
2676attach:
af19b491 2677 if (netif_running(netdev)) {
52486a3a 2678 if (qlcnic_up(adapter, netdev))
af19b491 2679 goto done;
af19b491 2680
aec1e845 2681 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
af19b491
AKS		 2682 }
2683
af19b491 2684done:
34ce3626 2685 netif_device_attach(netdev);
af19b491 2686 adapter->fw_fail_cnt = 0;
032a13c7 2687 adapter->flags &= ~QLCNIC_FW_HANG;
af19b491 2688 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1b95a839
AKS		 2689
2690 if (!qlcnic_clr_drv_state(adapter))
2691 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2692 FW_POLL_DELAY);
af19b491
AKS		 2693}
2694
2695static int
2696qlcnic_check_health(struct qlcnic_adapter *adapter)
2697{
4e70812b 2698 u32 state = 0, heartbeat;
853d4bca 2699 u32 peg_status;
af19b491
AKS		 2700
2701 if (qlcnic_check_temp(adapter))
2702 goto detach;
2703
2372a5f1 2704 if (adapter->need_fw_reset)
7e2cf4fe 2705 qlcnic_dev_request_reset(adapter, 0);
af19b491 2706
a15ebd37 2707 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
b8c17620 2708 if (state == QLCNIC_DEV_NEED_RESET) {
3c4b23b1 2709 qlcnic_set_npar_non_operational(adapter);
af19b491 2710 adapter->need_fw_reset = 1;
b8c17620
AKS		 2711 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2712 goto detach;
af19b491 2713
a15ebd37 2714 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
4e70812b
SC		 2715 if (heartbeat != adapter->heartbeat) {
2716 adapter->heartbeat = heartbeat;
af19b491
AKS		 2717 adapter->fw_fail_cnt = 0;
2718 if (adapter->need_fw_reset)
2719 goto detach;
68bf1c68 2720
099f7aa7 2721 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
68bf1c68
AKS		 2722 qlcnic_reset_hw_context(adapter);
2723 adapter->netdev->trans_start = jiffies;
2724 }
2725
af19b491
AKS		 2726 return 0;
2727 }
2728
2729 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2730 return 0;
2731
032a13c7
SV		 2732 adapter->flags |= QLCNIC_FW_HANG;
2733
7e2cf4fe 2734 qlcnic_dev_request_reset(adapter, 0);
af19b491 2735
099f7aa7 2736 if (qlcnic_auto_fw_reset)
0df170b6 2737 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
af19b491 2738
853d4bca 2739 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
a15ebd37 2740 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
853d4bca 2741 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
c76ecb7a
SV		 2742 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2743 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2744 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2745 "PEG_NET_4_PC: 0x%x\n",
a15ebd37
HM		 2746 peg_status,
2747 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
c76ecb7a
SV		 2748 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2749 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2750 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2751 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2752 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
97048a1f 2753 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
853d4bca
AR		 2754 dev_err(&adapter->pdev->dev,
2755 "Firmware aborted with error code 0x00006700. "
2756 "Device is being reset.\n");
af19b491
AKS		 2757detach:
2758 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2759 QLCNIC_DEV_NEED_RESET;
2760
099f7aa7
SC		 2761 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2762 &adapter->state)) {
65b5b420 2763
af19b491 2764 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
65b5b420
AKS		 2765 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2766 }
af19b491
AKS		 2767
2768 return 1;
2769}
2770
2771static void
2772qlcnic_fw_poll_work(struct work_struct *work)
2773{
2774 struct qlcnic_adapter *adapter = container_of(work,
2775 struct qlcnic_adapter, fw_work.work);
2776
2777 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2778 goto reschedule;
2779
2780
2781 if (qlcnic_check_health(adapter))
2782 return;
2783
b5e5492c
AKS		 2784 if (adapter->fhash.fnum)
2785 qlcnic_prune_lb_filters(adapter);
2786
af19b491
AKS		 2787reschedule:
2788 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2789}
2790
451724c8
SC		 2791static int qlcnic_is_first_func(struct pci_dev *pdev)
2792{
2793 struct pci_dev *oth_pdev;
2794 int val = pdev->devfn;
2795
2796 while (val-- > 0) {
2797 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2798 (pdev->bus), pdev->bus->number,
2799 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
bfc978fa
AKS		 2800 if (!oth_pdev)
2801 continue;
451724c8 2802
bfc978fa
AKS		 2803 if (oth_pdev->current_state != PCI_D3cold) {
2804 pci_dev_put(oth_pdev);
451724c8 2805 return 0;
bfc978fa
AKS		 2806 }
2807 pci_dev_put(oth_pdev);
451724c8
SC		 2808 }
2809 return 1;
2810}
2811
2812static int qlcnic_attach_func(struct pci_dev *pdev)
2813{
2814 int err, first_func;
2815 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2816 struct net_device *netdev = adapter->netdev;
2817
2818 pdev->error_state = pci_channel_io_normal;
2819
2820 err = pci_enable_device(pdev);
2821 if (err)
2822 return err;
2823
2824 pci_set_power_state(pdev, PCI_D0);
2825 pci_set_master(pdev);
2826 pci_restore_state(pdev);
2827
2828 first_func = qlcnic_is_first_func(pdev);
2829
2830 if (qlcnic_api_lock(adapter))
2831 return -EINVAL;
2832
79788450 2833 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
451724c8
SC		 2834 adapter->need_fw_reset = 1;
2835 set_bit(__QLCNIC_START_FW, &adapter->state);
a15ebd37
HM		 2836 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2837 QLCNIC_DEV_INITIALIZING);
451724c8
SC		 2838 QLCDB(adapter, DRV, "Restarting fw\n");
2839 }
2840 qlcnic_api_unlock(adapter);
2841
2842 err = adapter->nic_ops->start_firmware(adapter);
2843 if (err)
2844 return err;
2845
2846 qlcnic_clr_drv_state(adapter);
7e2cf4fe 2847 qlcnic_setup_intr(adapter, 0);
451724c8
SC		 2848
2849 if (netif_running(netdev)) {
2850 err = qlcnic_attach(adapter);
2851 if (err) {
21854f02 2852 qlcnic_clr_all_drv_state(adapter, 1);
451724c8
SC		 2853 clear_bit(__QLCNIC_AER, &adapter->state);
2854 netif_device_attach(netdev);
2855 return err;
2856 }
2857
2858 err = qlcnic_up(adapter, netdev);
2859 if (err)
2860 goto done;
2861
aec1e845 2862 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
451724c8
SC		 2863 }
2864 done:
2865 netif_device_attach(netdev);
2866 return err;
2867}
2868
2869static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
2870 pci_channel_state_t state)
2871{
2872 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2873 struct net_device *netdev = adapter->netdev;
2874
2875 if (state == pci_channel_io_perm_failure)
2876 return PCI_ERS_RESULT_DISCONNECT;
2877
2878 if (state == pci_channel_io_normal)
2879 return PCI_ERS_RESULT_RECOVERED;
2880
2881 set_bit(__QLCNIC_AER, &adapter->state);
2882 netif_device_detach(netdev);
2883
2884 cancel_delayed_work_sync(&adapter->fw_work);
2885
2886 if (netif_running(netdev))
2887 qlcnic_down(adapter, netdev);
2888
2889 qlcnic_detach(adapter);
2890 qlcnic_teardown_intr(adapter);
2891
2892 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2893
2894 pci_save_state(pdev);
2895 pci_disable_device(pdev);
2896
2897 return PCI_ERS_RESULT_NEED_RESET;
2898}
2899
2900static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
2901{
2902 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
2903 PCI_ERS_RESULT_RECOVERED;
2904}
2905
2906static void qlcnic_io_resume(struct pci_dev *pdev)
2907{
a15ebd37 2908 u32 state;
451724c8
SC		 2909 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2910
2911 pci_cleanup_aer_uncorrect_error_status(pdev);
a15ebd37
HM		 2912 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2913 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
2914 &adapter->state))
451724c8
SC		 2915 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2916 FW_POLL_DELAY);
2917}
2918
87eb743b
AC		 2919static int
2920qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
2921{
2922 int err;
2923
2924 err = qlcnic_can_start_firmware(adapter);
2925 if (err)
2926 return err;
2927
78f84e1a
AKS		 2928 err = qlcnic_check_npar_opertional(adapter);
2929 if (err)
2930 return err;
3c4b23b1 2931
174240a8
RB		 2932 err = qlcnic_initialize_nic(adapter);
2933 if (err)
2934 return err;
2935
87eb743b
AC		 2936 qlcnic_check_options(adapter);
2937
7373373d
RB		 2938 err = qlcnic_set_eswitch_port_config(adapter);
2939 if (err)
2940 return err;
2941
87eb743b
AC		 2942 adapter->need_fw_reset = 0;
2943
2944 return err;
2945}
2946
f94bc1e7
SC		 2947int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
2948{
099f7aa7 2949 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
f94bc1e7
SC		 2950 netdev_info(netdev, "no msix or msi support, hence no rss\n");
2951 return -EINVAL;
2952 }
2953
2954 if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
2955 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
2956 " powers of 2\n", max_hw);
2957 return -EINVAL;
2958 }
2959 return 0;
2960
2961}
2962
2963int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
2964{
2965 struct net_device *netdev = adapter->netdev;
2966 int err = 0;
2967
2968 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2969 return -EBUSY;
2970
2971 netif_device_detach(netdev);
2972 if (netif_running(netdev))
2973 __qlcnic_down(adapter, netdev);
2974 qlcnic_detach(adapter);
2975 qlcnic_teardown_intr(adapter);
2976
2977 if (qlcnic_enable_msix(adapter, data)) {
2978 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
2979 qlcnic_enable_msi_legacy(adapter);
2980 }
2981
2982 if (netif_running(netdev)) {
2983 err = qlcnic_attach(adapter);
2984 if (err)
2985 goto done;
2986 err = __qlcnic_up(adapter, netdev);
2987 if (err)
2988 goto done;
2989 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2990 }
2991 done:
2992 netif_device_attach(netdev);
2993 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2994 return err;
2995}
2996
af19b491
AKS		 2997#ifdef CONFIG_INET
2998
2999#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3000
af19b491 3001static void
aec1e845
AKS		 3002qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3003 struct net_device *dev, unsigned long event)
af19b491
AKS		 3004{
3005 struct in_device *indev;
af19b491 3006
af19b491
AKS		 3007 indev = in_dev_get(dev);
3008 if (!indev)
3009 return;
3010
3011 for_ifa(indev) {
3012 switch (event) {
3013 case NETDEV_UP:
3014 qlcnic_config_ipaddr(adapter,
3015 ifa->ifa_address, QLCNIC_IP_UP);
3016 break;
3017 case NETDEV_DOWN:
3018 qlcnic_config_ipaddr(adapter,
3019 ifa->ifa_address, QLCNIC_IP_DOWN);
3020 break;
3021 default:
3022 break;
3023 }
3024 } endfor_ifa(indev);
3025
3026 in_dev_put(indev);
af19b491
AKS		 3027}
3028
aec1e845
AKS		 3029static void
3030qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3031{
3032 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3033 struct net_device *dev;
3034 u16 vid;
3035
3036 qlcnic_config_indev_addr(adapter, netdev, event);
3037
b9796a14 3038 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
223bb15e 3039 dev = __vlan_find_dev_deep(netdev, vid);
aec1e845
AKS		 3040 if (!dev)
3041 continue;
aec1e845
AKS		 3042 qlcnic_config_indev_addr(adapter, dev, event);
3043 }
3044}
3045
af19b491
AKS		 3046static int qlcnic_netdev_event(struct notifier_block *this,
3047 unsigned long event, void *ptr)
3048{
3049 struct qlcnic_adapter *adapter;
3050 struct net_device *dev = (struct net_device *)ptr;
3051
3052recheck:
3053 if (dev == NULL)
3054 goto done;
3055
3056 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3057 dev = vlan_dev_real_dev(dev);
3058 goto recheck;
3059 }
3060
3061 if (!is_qlcnic_netdev(dev))
3062 goto done;
3063
3064 adapter = netdev_priv(dev);
3065
3066 if (!adapter)
3067 goto done;
3068
8a15ad1f 3069 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3070 goto done;
3071
aec1e845 3072 qlcnic_config_indev_addr(adapter, dev, event);
af19b491
AKS		 3073done:
3074 return NOTIFY_DONE;
3075}
3076
3077static int
3078qlcnic_inetaddr_event(struct notifier_block *this,
3079 unsigned long event, void *ptr)
3080{
3081 struct qlcnic_adapter *adapter;
3082 struct net_device *dev;
3083
3084 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3085
3086 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3087
3088recheck:
aec1e845 3089 if (dev == NULL)
af19b491
AKS		 3090 goto done;
3091
3092 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3093 dev = vlan_dev_real_dev(dev);
3094 goto recheck;
3095 }
3096
3097 if (!is_qlcnic_netdev(dev))
3098 goto done;
3099
3100 adapter = netdev_priv(dev);
3101
251a84c9 3102 if (!adapter)
af19b491
AKS		 3103 goto done;
3104
8a15ad1f 3105 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
af19b491
AKS		 3106 goto done;
3107
3108 switch (event) {
3109 case NETDEV_UP:
3110 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3111 break;
3112 case NETDEV_DOWN:
3113 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3114 break;
3115 default:
3116 break;
3117 }
3118
3119done:
3120 return NOTIFY_DONE;
3121}
3122
3123static struct notifier_block qlcnic_netdev_cb = {
3124 .notifier_call = qlcnic_netdev_event,
3125};
3126
3127static struct notifier_block qlcnic_inetaddr_cb = {
3128 .notifier_call = qlcnic_inetaddr_event,
3129};
3130#else
3131static void
aec1e845 3132qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
af19b491
AKS		 3133{ }
3134#endif
63507592 3135static struct pci_error_handlers qlcnic_err_handler = {
451724c8
SC		 3136 .error_detected = qlcnic_io_error_detected,
3137 .slot_reset = qlcnic_io_slot_reset,
3138 .resume = qlcnic_io_resume,
3139};
af19b491
AKS		 3140
3141static struct pci_driver qlcnic_driver = {
3142 .name = qlcnic_driver_name,
3143 .id_table = qlcnic_pci_tbl,
3144 .probe = qlcnic_probe,
6bb58bb0 3145 .remove = qlcnic_remove,
af19b491
AKS		 3146#ifdef CONFIG_PM
3147 .suspend = qlcnic_suspend,
3148 .resume = qlcnic_resume,
3149#endif
451724c8
SC		 3150 .shutdown = qlcnic_shutdown,
3151 .err_handler = &qlcnic_err_handler
3152
af19b491
AKS		 3153};
3154
3155static int __init qlcnic_init_module(void)
3156{
0cf3a14c 3157 int ret;
af19b491
AKS		 3158
3159 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3160
f7ec804a
AKS		 3161 qlcnic_wq = create_singlethread_workqueue("qlcnic");
3162 if (qlcnic_wq == NULL) {
3163 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
3164 return -ENOMEM;
3165 }
3166
af19b491
AKS		 3167#ifdef CONFIG_INET
3168 register_netdevice_notifier(&qlcnic_netdev_cb);
3169 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3170#endif
3171
0cf3a14c
AKS		 3172 ret = pci_register_driver(&qlcnic_driver);
3173 if (ret) {
3174#ifdef CONFIG_INET
3175 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3176 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3177#endif
f7ec804a 3178 destroy_workqueue(qlcnic_wq);
0cf3a14c 3179 }
af19b491 3180
0cf3a14c 3181 return ret;
af19b491
AKS		 3182}
3183
3184module_init(qlcnic_init_module);
3185
3186static void __exit qlcnic_exit_module(void)
3187{
3188
3189 pci_unregister_driver(&qlcnic_driver);
3190
3191#ifdef CONFIG_INET
3192 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3193 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3194#endif
f7ec804a 3195 destroy_workqueue(qlcnic_wq);
af19b491
AKS		 3196}
3197
3198module_exit(qlcnic_exit_module);
Linux 6.x block layer and io_uring tree(s)