2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/vmalloc.h>
9 #include <linux/interrupt.h>
12 #include "qlcnic_sriov.h"
13 #include "qlcnic_hw.h"
15 #include <linux/swab.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/if_vlan.h>
19 #include <linux/ipv6.h>
20 #include <linux/inetdevice.h>
21 #include <linux/aer.h>
22 #include <linux/log2.h>
23 #include <linux/pci.h>
25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
26 MODULE_LICENSE("GPL");
27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
30 char qlcnic_driver_name[] = "qlcnic";
31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
34 static int qlcnic_mac_learn;
35 module_param(qlcnic_mac_learn, int, 0444);
36 MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
39 int qlcnic_use_msi = 1;
40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
41 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
43 int qlcnic_use_msi_x = 1;
44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
47 int qlcnic_auto_fw_reset = 1;
48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
51 int qlcnic_load_fw_file;
52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
56 static void qlcnic_remove(struct pci_dev *pdev);
57 static int qlcnic_open(struct net_device *netdev);
58 static int qlcnic_close(struct net_device *netdev);
59 static void qlcnic_tx_timeout(struct net_device *netdev);
60 static void qlcnic_attach_work(struct work_struct *work);
61 static void qlcnic_fwinit_work(struct work_struct *work);
62 #ifdef CONFIG_NET_POLL_CONTROLLER
63 static void qlcnic_poll_controller(struct net_device *netdev);
66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
70 static irqreturn_t qlcnic_intr(int irq, void *data);
71 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
76 static int qlcnic_start_firmware(struct qlcnic_adapter *);
78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
86 struct qlcnic_hardware_context *ahw = adapter->ahw;
88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
94 /* PCI Device ID Table */
95 #define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
103 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
104 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
108 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
111 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
113 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
116 static const u32 msi_tgt_status[8] = {
117 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
118 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
119 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
120 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
123 static const u32 qlcnic_reg_tbl[] = {
124 0x1B20A8, /* PEG_HALT_STAT1 */
125 0x1B20AC, /* PEG_HALT_STAT2 */
126 0x1B20B0, /* FW_HEARTBEAT */
127 0x1B2100, /* LOCK ID */
128 0x1B2128, /* FW_CAPABILITIES */
129 0x1B2138, /* drv active */
130 0x1B2140, /* dev state */
131 0x1B2144, /* drv state */
132 0x1B2148, /* drv scratch */
133 0x1B214C, /* dev partition info */
134 0x1B2174, /* drv idc ver */
135 0x1B2150, /* fw version major */
136 0x1B2154, /* fw version minor */
137 0x1B2158, /* fw version sub */
138 0x1B219C, /* npar state */
139 0x1B21FC, /* FW_IMG_VALID */
140 0x1B2250, /* CMD_PEG_STATE */
141 0x1B233C, /* RCV_PEG_STATE */
142 0x1B23B4, /* ASIC TEMP */
143 0x1B216C, /* FW api */
144 0x1B2170, /* drv op mode */
145 0x13C010, /* flash lock */
146 0x13C014, /* flash unlock */
149 static const struct qlcnic_board_info qlcnic_boards[] = {
150 { PCI_VENDOR_ID_QLOGIC,
151 PCI_DEVICE_ID_QLOGIC_QLE844X,
154 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
155 { PCI_VENDOR_ID_QLOGIC,
156 PCI_DEVICE_ID_QLOGIC_QLE834X,
157 PCI_VENDOR_ID_QLOGIC,
159 "8300 Series Dual Port 10GbE Converged Network Adapter "
160 "(TCP/IP Networking)" },
161 { PCI_VENDOR_ID_QLOGIC,
162 PCI_DEVICE_ID_QLOGIC_QLE834X,
163 PCI_VENDOR_ID_QLOGIC,
165 "8300 Series Single Port 10GbE Converged Network Adapter "
166 "(TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
177 "8300 Series Dual Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
201 "8300 Series Single Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
213 "8300 Series Dual Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 0x0, 0x0, "8300 Series 1/10GbE Controller" },
218 { PCI_VENDOR_ID_QLOGIC,
219 PCI_DEVICE_ID_QLOGIC_QLE824X,
220 PCI_VENDOR_ID_QLOGIC,
222 "8200 Series Single Port 10GbE Converged Network Adapter"
223 "(TCP/IP Networking)" },
224 { PCI_VENDOR_ID_QLOGIC,
225 PCI_DEVICE_ID_QLOGIC_QLE824X,
226 PCI_VENDOR_ID_QLOGIC,
228 "8200 Series Dual Port 10GbE Converged Network Adapter"
229 "(TCP/IP Networking)" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
234 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
235 { PCI_VENDOR_ID_QLOGIC,
236 PCI_DEVICE_ID_QLOGIC_QLE824X,
237 PCI_VENDOR_ID_QLOGIC,
239 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 PCI_VENDOR_ID_QLOGIC,
244 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
245 { PCI_VENDOR_ID_QLOGIC,
246 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 "NC523SFP 10Gb 2-port Server Adapter" },
249 { PCI_VENDOR_ID_QLOGIC,
250 PCI_DEVICE_ID_QLOGIC_QLE824X,
252 "CN1000Q Dual Port Converged Network Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
257 "QME8242-k 10GbE Dual Port Mezzanine Card" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
263 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
266 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
268 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
270 int size = sizeof(struct qlcnic_host_sds_ring) * count;
272 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
274 return recv_ctx->sds_rings == NULL;
277 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
279 if (recv_ctx->sds_rings != NULL)
280 kfree(recv_ctx->sds_rings);
282 recv_ctx->sds_rings = NULL;
285 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
287 struct net_device *netdev = adapter->netdev;
288 struct pci_dev *pdev = adapter->pdev;
289 u8 mac_addr[ETH_ALEN];
292 ret = qlcnic_get_mac_address(adapter, mac_addr,
293 adapter->ahw->pci_func);
297 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
298 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
300 /* set station address */
302 if (!is_valid_ether_addr(netdev->dev_addr))
303 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
309 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
311 struct qlcnic_mac_list_s *cur;
312 struct list_head *head;
314 list_for_each(head, &adapter->mac_list) {
315 cur = list_entry(head, struct qlcnic_mac_list_s, list);
316 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
317 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
319 list_del(&cur->list);
326 static int qlcnic_set_mac(struct net_device *netdev, void *p)
328 struct qlcnic_adapter *adapter = netdev_priv(netdev);
329 struct sockaddr *addr = p;
331 if (qlcnic_sriov_vf_check(adapter))
334 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
337 if (!is_valid_ether_addr(addr->sa_data))
340 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
343 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
344 netif_device_detach(netdev);
345 qlcnic_napi_disable(adapter);
348 qlcnic_delete_adapter_mac(adapter);
349 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
350 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
351 qlcnic_set_multi(adapter->netdev);
353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
354 netif_device_attach(netdev);
355 qlcnic_napi_enable(adapter);
360 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
361 struct net_device *netdev, const unsigned char *addr)
363 struct qlcnic_adapter *adapter = netdev_priv(netdev);
364 int err = -EOPNOTSUPP;
366 if (!adapter->fdb_mac_learn)
367 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
369 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
370 if (is_unicast_ether_addr(addr)) {
371 err = dev_uc_del(netdev, addr);
373 err = qlcnic_nic_del_mac(adapter, addr);
374 } else if (is_multicast_ether_addr(addr)) {
375 err = dev_mc_del(netdev, addr);
383 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
384 struct net_device *netdev,
385 const unsigned char *addr, u16 flags)
387 struct qlcnic_adapter *adapter = netdev_priv(netdev);
390 if (!adapter->fdb_mac_learn)
391 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
393 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
394 pr_info("%s: FDB e-switch is not enabled\n", __func__);
398 if (ether_addr_equal(addr, adapter->mac_addr))
401 if (is_unicast_ether_addr(addr)) {
402 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
403 err = dev_uc_add_excl(netdev, addr);
406 } else if (is_multicast_ether_addr(addr)) {
407 err = dev_mc_add_excl(netdev, addr);
415 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
416 struct net_device *netdev, int idx)
418 struct qlcnic_adapter *adapter = netdev_priv(netdev);
420 if (!adapter->fdb_mac_learn)
421 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
423 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
424 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
429 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
431 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
432 usleep_range(10000, 11000);
434 if (!adapter->fw_work.work.func)
437 cancel_delayed_work_sync(&adapter->fw_work);
440 static int qlcnic_get_phys_port_id(struct net_device *netdev,
441 struct netdev_phys_port_id *ppid)
443 struct qlcnic_adapter *adapter = netdev_priv(netdev);
444 struct qlcnic_hardware_context *ahw = adapter->ahw;
446 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
449 ppid->id_len = sizeof(ahw->phys_port_id);
450 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
455 static const struct net_device_ops qlcnic_netdev_ops = {
456 .ndo_open = qlcnic_open,
457 .ndo_stop = qlcnic_close,
458 .ndo_start_xmit = qlcnic_xmit_frame,
459 .ndo_get_stats = qlcnic_get_stats,
460 .ndo_validate_addr = eth_validate_addr,
461 .ndo_set_rx_mode = qlcnic_set_multi,
462 .ndo_set_mac_address = qlcnic_set_mac,
463 .ndo_change_mtu = qlcnic_change_mtu,
464 .ndo_fix_features = qlcnic_fix_features,
465 .ndo_set_features = qlcnic_set_features,
466 .ndo_tx_timeout = qlcnic_tx_timeout,
467 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
468 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
469 .ndo_fdb_add = qlcnic_fdb_add,
470 .ndo_fdb_del = qlcnic_fdb_del,
471 .ndo_fdb_dump = qlcnic_fdb_dump,
472 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
473 #ifdef CONFIG_NET_POLL_CONTROLLER
474 .ndo_poll_controller = qlcnic_poll_controller,
476 #ifdef CONFIG_QLCNIC_SRIOV
477 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
478 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
479 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
480 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
481 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
485 static const struct net_device_ops qlcnic_netdev_failed_ops = {
486 .ndo_open = qlcnic_open,
489 static struct qlcnic_nic_template qlcnic_ops = {
490 .config_bridged_mode = qlcnic_config_bridged_mode,
491 .config_led = qlcnic_82xx_config_led,
492 .start_firmware = qlcnic_82xx_start_firmware,
493 .request_reset = qlcnic_82xx_dev_request_reset,
494 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
495 .napi_add = qlcnic_82xx_napi_add,
496 .napi_del = qlcnic_82xx_napi_del,
497 .config_ipaddr = qlcnic_82xx_config_ipaddr,
498 .shutdown = qlcnic_82xx_shutdown,
499 .resume = qlcnic_82xx_resume,
500 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
503 struct qlcnic_nic_template qlcnic_vf_ops = {
504 .config_bridged_mode = qlcnicvf_config_bridged_mode,
505 .config_led = qlcnicvf_config_led,
506 .start_firmware = qlcnicvf_start_firmware
509 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
510 .read_crb = qlcnic_82xx_read_crb,
511 .write_crb = qlcnic_82xx_write_crb,
512 .read_reg = qlcnic_82xx_hw_read_wx_2M,
513 .write_reg = qlcnic_82xx_hw_write_wx_2M,
514 .get_mac_address = qlcnic_82xx_get_mac_address,
515 .setup_intr = qlcnic_82xx_setup_intr,
516 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
517 .mbx_cmd = qlcnic_82xx_issue_cmd,
518 .get_func_no = qlcnic_82xx_get_func_no,
519 .api_lock = qlcnic_82xx_api_lock,
520 .api_unlock = qlcnic_82xx_api_unlock,
521 .add_sysfs = qlcnic_82xx_add_sysfs,
522 .remove_sysfs = qlcnic_82xx_remove_sysfs,
523 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
524 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
525 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
526 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
527 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
528 .setup_link_event = qlcnic_82xx_linkevent_request,
529 .get_nic_info = qlcnic_82xx_get_nic_info,
530 .get_pci_info = qlcnic_82xx_get_pci_info,
531 .set_nic_info = qlcnic_82xx_set_nic_info,
532 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
533 .napi_enable = qlcnic_82xx_napi_enable,
534 .napi_disable = qlcnic_82xx_napi_disable,
535 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
536 .config_rss = qlcnic_82xx_config_rss,
537 .config_hw_lro = qlcnic_82xx_config_hw_lro,
538 .config_loopback = qlcnic_82xx_set_lb_mode,
539 .clear_loopback = qlcnic_82xx_clear_lb_mode,
540 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
541 .change_l2_filter = qlcnic_82xx_change_filter,
542 .get_board_info = qlcnic_82xx_get_board_info,
543 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
544 .free_mac_list = qlcnic_82xx_free_mac_list,
545 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
546 .io_error_detected = qlcnic_82xx_io_error_detected,
547 .io_slot_reset = qlcnic_82xx_io_slot_reset,
548 .io_resume = qlcnic_82xx_io_resume,
551 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
553 struct qlcnic_hardware_context *ahw = adapter->ahw;
555 if (qlcnic_82xx_check(adapter) &&
556 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
557 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
564 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
567 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
569 if (queue_type == QLCNIC_RX_QUEUE)
570 max_rings = adapter->max_sds_rings;
571 else if (queue_type == QLCNIC_TX_QUEUE)
572 max_rings = adapter->max_tx_rings;
574 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
577 if (ring_cnt > num_rings)
583 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
585 /* 83xx adapter does not have max_tx_rings intialized in probe */
586 if (adapter->max_tx_rings)
587 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
590 adapter->drv_tx_rings = tx_cnt;
592 dev_info(&adapter->pdev->dev, "Set %d Tx rings\n",
593 adapter->drv_tx_rings);
596 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
598 /* 83xx adapter does not have max_sds_rings intialized in probe */
599 if (adapter->max_sds_rings)
600 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
603 adapter->drv_sds_rings = rx_cnt;
605 dev_info(&adapter->pdev->dev, "Set %d SDS rings\n",
606 adapter->drv_sds_rings);
609 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
611 struct pci_dev *pdev = adapter->pdev;
612 int drv_tx_rings, drv_sds_rings, tx_vector;
615 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
619 drv_tx_rings = adapter->drv_tx_rings;
623 if (!adapter->msix_entries) {
624 adapter->msix_entries = kcalloc(num_msix,
625 sizeof(struct msix_entry),
627 if (!adapter->msix_entries)
631 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
632 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
634 if (adapter->ahw->msix_supported) {
636 for (i = 0; i < num_msix; i++)
637 adapter->msix_entries[i].entry = i;
638 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
640 adapter->flags |= QLCNIC_MSIX_ENABLED;
641 if (qlcnic_83xx_check(adapter)) {
642 adapter->ahw->num_msix = num_msix;
643 /* subtract mail box and tx ring vectors */
644 adapter->drv_sds_rings = num_msix -
647 adapter->ahw->num_msix = num_msix;
648 if (qlcnic_check_multi_tx(adapter) &&
649 !adapter->ahw->diag_test &&
650 (adapter->drv_tx_rings > 1))
651 drv_sds_rings = num_msix - drv_tx_rings;
653 drv_sds_rings = num_msix;
655 adapter->drv_sds_rings = drv_sds_rings;
657 dev_info(&pdev->dev, "using msi-x interrupts\n");
659 } else if (err > 0) {
661 "Unable to allocate %d MSI-X interrupt vectors\n",
663 if (qlcnic_83xx_check(adapter)) {
664 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
666 err -= drv_tx_rings + 1;
667 num_msix = rounddown_pow_of_two(err);
668 num_msix += drv_tx_rings + 1;
670 num_msix = rounddown_pow_of_two(err);
671 if (qlcnic_check_multi_tx(adapter))
672 num_msix += drv_tx_rings;
677 "Trying to allocate %d MSI-X interrupt vectors\n",
683 "Unable to allocate %d MSI-X interrupt vectors\n",
691 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
694 u32 offset, mask_reg;
695 const struct qlcnic_legacy_intr_set *legacy_intrp;
696 struct qlcnic_hardware_context *ahw = adapter->ahw;
697 struct pci_dev *pdev = adapter->pdev;
699 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
700 adapter->flags |= QLCNIC_MSI_ENABLED;
701 offset = msi_tgt_status[adapter->ahw->pci_func];
702 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
704 dev_info(&pdev->dev, "using msi interrupts\n");
705 adapter->msix_entries[0].vector = pdev->irq;
709 if (qlcnic_use_msi || qlcnic_use_msi_x)
712 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
713 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
714 offset = legacy_intrp->tgt_status_reg;
715 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
716 mask_reg = legacy_intrp->tgt_mask_reg;
717 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
718 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
719 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
720 dev_info(&pdev->dev, "using legacy interrupts\n");
721 adapter->msix_entries[0].vector = pdev->irq;
725 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
727 int num_msix, err = 0;
729 num_msix = adapter->drv_sds_rings;
731 if (qlcnic_check_multi_tx(adapter))
732 num_msix += adapter->drv_tx_rings;
734 err = qlcnic_enable_msix(adapter, num_msix);
738 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
739 qlcnic_disable_multi_tx(adapter);
741 err = qlcnic_enable_msi_legacy(adapter);
749 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
751 struct qlcnic_hardware_context *ahw = adapter->ahw;
754 if (qlcnic_check_multi_tx(adapter) &&
756 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
757 ahw->intr_tbl = vzalloc(ahw->num_msix *
758 sizeof(struct qlcnic_intrpt_config));
762 for (i = 0; i < ahw->num_msix; i++) {
763 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
764 ahw->intr_tbl[i].id = i;
765 ahw->intr_tbl[i].src = 0;
768 err = qlcnic_82xx_config_intrpt(adapter, 1);
770 dev_err(&adapter->pdev->dev,
771 "Failed to configure Interrupt for %d vector\n",
779 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
781 if (adapter->flags & QLCNIC_MSIX_ENABLED)
782 pci_disable_msix(adapter->pdev);
783 if (adapter->flags & QLCNIC_MSI_ENABLED)
784 pci_disable_msi(adapter->pdev);
786 kfree(adapter->msix_entries);
787 adapter->msix_entries = NULL;
789 if (adapter->ahw->intr_tbl) {
790 vfree(adapter->ahw->intr_tbl);
791 adapter->ahw->intr_tbl = NULL;
795 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
797 if (ahw->pci_base0 != NULL)
798 iounmap(ahw->pci_base0);
801 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
803 struct qlcnic_pci_info *pci_info;
806 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
807 switch (adapter->ahw->port_type) {
809 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
812 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
818 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
821 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
825 ret = qlcnic_get_pci_info(adapter, pci_info);
830 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
834 if (qlcnic_84xx_check(adapter)) {
836 } else if (qlcnic_83xx_check(adapter)) {
837 if (adapter->ahw->extra_capability[0] &
838 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
847 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
849 struct qlcnic_pci_info *pci_info;
850 int i, id = 0, ret = 0, j = 0;
854 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
858 ret = qlcnic_get_pci_info(adapter, pci_info);
862 act_pci_func = adapter->ahw->act_pci_func;
864 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
865 act_pci_func, GFP_KERNEL);
866 if (!adapter->npars) {
871 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
872 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
873 if (!adapter->eswitch) {
878 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
879 pfn = pci_info[i].id;
881 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
882 ret = QL_STATUS_INVALID_PARAM;
886 if (!pci_info[i].active ||
887 (pci_info[i].type != QLCNIC_TYPE_NIC))
890 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
891 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
893 adapter->npars[j].eswitch_status = true;
897 adapter->npars[j].eswitch_status = true;
900 adapter->npars[j].pci_func = pfn;
901 adapter->npars[j].active = (u8)pci_info[i].active;
902 adapter->npars[j].type = (u8)pci_info[i].type;
903 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
904 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
905 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
907 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
911 /* Update eSwitch status for adapters without per port eSwitch
912 * configuration capability
914 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
915 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
916 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
923 kfree(adapter->eswitch);
924 adapter->eswitch = NULL;
926 kfree(adapter->npars);
927 adapter->npars = NULL;
935 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
939 u32 data = QLCNIC_MGMT_FUNC;
940 struct qlcnic_hardware_context *ahw = adapter->ahw;
942 ret = qlcnic_api_lock(adapter);
947 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
948 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
949 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
950 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
951 qlcnic_api_unlock(adapter);
956 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
957 const struct pci_device_id *ent)
959 u32 op_mode, priv_level;
961 /* Determine FW API version */
962 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
965 /* Find PCI function number */
966 qlcnic_get_func_no(adapter);
968 /* Determine function privilege level */
969 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
970 if (op_mode == QLC_DEV_DRV_DEFAULT)
971 priv_level = QLCNIC_MGMT_FUNC;
973 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
975 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
976 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
977 dev_info(&adapter->pdev->dev,
978 "HAL Version: %d Non Privileged function\n",
979 adapter->ahw->fw_hal_version);
980 adapter->nic_ops = &qlcnic_vf_ops;
982 adapter->nic_ops = &qlcnic_ops;
985 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
986 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
987 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
990 case PCI_DEVICE_ID_QLOGIC_QLE824X:
991 *bar = QLCNIC_82XX_BAR0_LENGTH;
993 case PCI_DEVICE_ID_QLOGIC_QLE834X:
994 case PCI_DEVICE_ID_QLOGIC_QLE844X:
995 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
996 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
997 *bar = QLCNIC_83XX_BAR0_LENGTH;
1004 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1005 struct qlcnic_hardware_context *ahw)
1008 void __iomem *mem_ptr0 = NULL;
1009 unsigned long mem_len, pci_len0 = 0, bar0_len;
1011 /* remap phys address */
1012 mem_len = pci_resource_len(pdev, 0);
1014 qlcnic_get_bar_length(pdev->device, &bar0_len);
1015 if (mem_len >= bar0_len) {
1017 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1018 if (mem_ptr0 == NULL) {
1019 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1027 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1029 ahw->pci_base0 = mem_ptr0;
1030 ahw->pci_len0 = pci_len0;
1031 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1032 qlcnic_get_ioaddr(ahw, offset);
1037 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1040 struct pci_dev *pdev = adapter->pdev;
1041 unsigned short subsystem_vendor;
1044 subsystem_vendor = pdev->subsystem_vendor;
1046 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1047 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1048 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1049 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1058 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1060 struct pci_dev *pdev = adapter->pdev;
1063 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1064 if (qlcnic_boards[i].vendor == pdev->vendor &&
1065 qlcnic_boards[i].device == pdev->device &&
1066 qlcnic_validate_subsystem_id(adapter, i)) {
1073 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1075 sprintf(name, "%pM: %s" , adapter->mac_addr,
1076 qlcnic_boards[i].short_name);
1080 qlcnic_check_options(struct qlcnic_adapter *adapter)
1083 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1084 struct pci_dev *pdev = adapter->pdev;
1085 struct qlcnic_hardware_context *ahw = adapter->ahw;
1086 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1088 prev_fw_version = adapter->fw_version;
1090 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1091 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1092 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1094 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1096 err = qlcnic_get_board_info(adapter);
1098 dev_err(&pdev->dev, "Error getting board config info.\n");
1101 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1102 if (fw_dump->tmpl_hdr == NULL ||
1103 adapter->fw_version > prev_fw_version) {
1104 if (fw_dump->tmpl_hdr)
1105 vfree(fw_dump->tmpl_hdr);
1106 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1107 dev_info(&pdev->dev,
1108 "Supports FW dump capability\n");
1112 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1113 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1115 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1116 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1117 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1118 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1120 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1121 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1124 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1125 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1127 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1128 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1129 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1130 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1131 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1134 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1136 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1138 adapter->max_rds_rings = MAX_RDS_RINGS;
1142 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1144 struct qlcnic_info nic_info;
1147 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1148 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1152 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1153 adapter->ahw->switch_mode = nic_info.switch_mode;
1154 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1155 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1156 adapter->ahw->capabilities = nic_info.capabilities;
1158 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1160 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1163 adapter->ahw->extra_capability[0] = temp;
1165 adapter->ahw->extra_capability[0] = 0;
1168 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1169 adapter->ahw->max_mtu = nic_info.max_mtu;
1171 if (adapter->ahw->capabilities & BIT_6) {
1172 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1173 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1174 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1175 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1177 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1179 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1180 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1181 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1182 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1188 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1189 struct qlcnic_esw_func_cfg *esw_cfg)
1191 if (esw_cfg->discard_tagged)
1192 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1194 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1196 if (esw_cfg->vlan_id) {
1197 adapter->rx_pvid = esw_cfg->vlan_id;
1198 adapter->tx_pvid = esw_cfg->vlan_id;
1200 adapter->rx_pvid = 0;
1201 adapter->tx_pvid = 0;
1206 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1208 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1211 if (qlcnic_sriov_vf_check(adapter)) {
1212 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1215 "Cannot add VLAN filter for VLAN id %d, err=%d",
1221 set_bit(vid, adapter->vlans);
1226 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1228 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1231 if (qlcnic_sriov_vf_check(adapter)) {
1232 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1235 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1241 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1242 clear_bit(vid, adapter->vlans);
1246 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1247 struct qlcnic_esw_func_cfg *esw_cfg)
1249 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1250 QLCNIC_PROMISC_DISABLED);
1252 if (esw_cfg->mac_anti_spoof)
1253 adapter->flags |= QLCNIC_MACSPOOF;
1255 if (!esw_cfg->mac_override)
1256 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1258 if (!esw_cfg->promisc_mode)
1259 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1262 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1264 struct qlcnic_esw_func_cfg esw_cfg;
1266 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1269 esw_cfg.pci_func = adapter->ahw->pci_func;
1270 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1272 qlcnic_set_vlan_config(adapter, &esw_cfg);
1273 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1274 qlcnic_set_netdev_features(adapter, &esw_cfg);
1279 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1280 struct qlcnic_esw_func_cfg *esw_cfg)
1282 struct net_device *netdev = adapter->netdev;
1284 if (qlcnic_83xx_check(adapter))
1287 adapter->offload_flags = esw_cfg->offload_flags;
1288 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1289 netdev_update_features(netdev);
1290 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1294 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1296 u32 op_mode, priv_level;
1299 err = qlcnic_initialize_nic(adapter);
1303 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1306 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1307 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1309 if (op_mode == QLC_DEV_DRV_DEFAULT)
1310 priv_level = QLCNIC_MGMT_FUNC;
1312 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1314 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1315 if (priv_level == QLCNIC_MGMT_FUNC) {
1316 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1317 err = qlcnic_init_pci_info(adapter);
1320 /* Set privilege level for other functions */
1321 qlcnic_set_function_modes(adapter);
1322 dev_info(&adapter->pdev->dev,
1323 "HAL Version: %d, Management function\n",
1324 adapter->ahw->fw_hal_version);
1325 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1326 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1327 dev_info(&adapter->pdev->dev,
1328 "HAL Version: %d, Privileged function\n",
1329 adapter->ahw->fw_hal_version);
1332 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1335 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1340 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1342 struct qlcnic_esw_func_cfg esw_cfg;
1343 struct qlcnic_npar_info *npar;
1346 if (adapter->need_fw_reset)
1349 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1350 if (!adapter->npars[i].eswitch_status)
1353 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1354 esw_cfg.pci_func = adapter->npars[i].pci_func;
1355 esw_cfg.mac_override = BIT_0;
1356 esw_cfg.promisc_mode = BIT_0;
1357 if (qlcnic_82xx_check(adapter)) {
1358 esw_cfg.offload_flags = BIT_0;
1359 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1360 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1362 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1364 npar = &adapter->npars[i];
1365 npar->pvid = esw_cfg.vlan_id;
1366 npar->mac_override = esw_cfg.mac_override;
1367 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1368 npar->discard_tagged = esw_cfg.discard_tagged;
1369 npar->promisc_mode = esw_cfg.promisc_mode;
1370 npar->offload_flags = esw_cfg.offload_flags;
1378 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1379 struct qlcnic_npar_info *npar, int pci_func)
1381 struct qlcnic_esw_func_cfg esw_cfg;
1382 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1383 esw_cfg.pci_func = pci_func;
1384 esw_cfg.vlan_id = npar->pvid;
1385 esw_cfg.mac_override = npar->mac_override;
1386 esw_cfg.discard_tagged = npar->discard_tagged;
1387 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1388 esw_cfg.offload_flags = npar->offload_flags;
1389 esw_cfg.promisc_mode = npar->promisc_mode;
1390 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1393 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1394 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1400 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1403 struct qlcnic_npar_info *npar;
1404 struct qlcnic_info nic_info;
1407 if (qlcnic_82xx_check(adapter))
1408 if (!adapter->need_fw_reset)
1411 /* Set the NPAR config data after FW reset */
1412 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1413 npar = &adapter->npars[i];
1414 pci_func = npar->pci_func;
1415 if (!adapter->npars[i].eswitch_status)
1418 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1419 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1422 nic_info.min_tx_bw = npar->min_bw;
1423 nic_info.max_tx_bw = npar->max_bw;
1424 err = qlcnic_set_nic_info(adapter, &nic_info);
1428 if (npar->enable_pm) {
1429 err = qlcnic_config_port_mirroring(adapter,
1435 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1442 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1444 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1447 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1450 npar_state = QLC_SHARED_REG_RD32(adapter,
1451 QLCNIC_CRB_DEV_NPAR_STATE);
1452 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1454 npar_state = QLC_SHARED_REG_RD32(adapter,
1455 QLCNIC_CRB_DEV_NPAR_STATE);
1457 if (!npar_opt_timeo) {
1458 dev_err(&adapter->pdev->dev,
1459 "Waiting for NPAR state to operational timeout\n");
1466 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1470 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1471 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1474 err = qlcnic_set_default_offload_settings(adapter);
1478 err = qlcnic_reset_npar_config(adapter);
1482 qlcnic_dev_set_npar_ready(adapter);
1487 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1491 err = qlcnic_can_start_firmware(adapter);
1495 goto check_fw_status;
1497 if (qlcnic_load_fw_file)
1498 qlcnic_request_firmware(adapter);
1500 err = qlcnic_check_flash_fw_ver(adapter);
1504 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1507 err = qlcnic_need_fw_reset(adapter);
1509 goto check_fw_status;
1511 err = qlcnic_pinit_from_rom(adapter);
1515 err = qlcnic_load_firmware(adapter);
1519 qlcnic_release_firmware(adapter);
1520 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1523 err = qlcnic_check_fw_status(adapter);
1527 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1528 qlcnic_idc_debug_info(adapter, 1);
1529 err = qlcnic_check_eswitch_mode(adapter);
1531 dev_err(&adapter->pdev->dev,
1532 "Memory allocation failed for eswitch\n");
1535 err = qlcnic_set_mgmt_operations(adapter);
1539 qlcnic_check_options(adapter);
1540 adapter->need_fw_reset = 0;
1542 qlcnic_release_firmware(adapter);
1546 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1547 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1549 qlcnic_release_firmware(adapter);
1554 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1556 irq_handler_t handler;
1557 struct qlcnic_host_sds_ring *sds_ring;
1558 struct qlcnic_host_tx_ring *tx_ring;
1559 int err, ring, num_sds_rings;
1561 unsigned long flags = 0;
1562 struct net_device *netdev = adapter->netdev;
1563 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1565 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1566 if (qlcnic_82xx_check(adapter))
1567 handler = qlcnic_tmp_intr;
1569 handler = qlcnic_83xx_tmp_intr;
1570 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1571 flags |= IRQF_SHARED;
1574 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1575 handler = qlcnic_msix_intr;
1576 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1577 handler = qlcnic_msi_intr;
1579 flags |= IRQF_SHARED;
1580 if (qlcnic_82xx_check(adapter))
1581 handler = qlcnic_intr;
1583 handler = qlcnic_83xx_intr;
1586 adapter->irq = netdev->irq;
1588 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1589 if (qlcnic_82xx_check(adapter) ||
1590 (qlcnic_83xx_check(adapter) &&
1591 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1592 num_sds_rings = adapter->drv_sds_rings;
1593 for (ring = 0; ring < num_sds_rings; ring++) {
1594 sds_ring = &recv_ctx->sds_rings[ring];
1595 if (qlcnic_82xx_check(adapter) &&
1596 !qlcnic_check_multi_tx(adapter) &&
1597 (ring == (num_sds_rings - 1))) {
1598 if (!(adapter->flags &
1599 QLCNIC_MSIX_ENABLED))
1600 snprintf(sds_ring->name,
1601 sizeof(sds_ring->name),
1604 snprintf(sds_ring->name,
1605 sizeof(sds_ring->name),
1607 netdev->name, ring);
1609 snprintf(sds_ring->name,
1610 sizeof(sds_ring->name),
1612 netdev->name, ring);
1614 err = request_irq(sds_ring->irq, handler, flags,
1615 sds_ring->name, sds_ring);
1620 if ((qlcnic_82xx_check(adapter) &&
1621 qlcnic_check_multi_tx(adapter)) ||
1622 (qlcnic_83xx_check(adapter) &&
1623 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1624 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1625 handler = qlcnic_msix_tx_intr;
1626 for (ring = 0; ring < adapter->drv_tx_rings;
1628 tx_ring = &adapter->tx_ring[ring];
1629 snprintf(tx_ring->name, sizeof(tx_ring->name),
1630 "%s-tx-%d", netdev->name, ring);
1631 err = request_irq(tx_ring->irq, handler, flags,
1632 tx_ring->name, tx_ring);
1642 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1645 struct qlcnic_host_sds_ring *sds_ring;
1646 struct qlcnic_host_tx_ring *tx_ring;
1648 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1650 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1651 if (qlcnic_82xx_check(adapter) ||
1652 (qlcnic_83xx_check(adapter) &&
1653 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1654 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1655 sds_ring = &recv_ctx->sds_rings[ring];
1656 free_irq(sds_ring->irq, sds_ring);
1659 if ((qlcnic_83xx_check(adapter) &&
1660 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1661 (qlcnic_82xx_check(adapter) &&
1662 qlcnic_check_multi_tx(adapter))) {
1663 for (ring = 0; ring < adapter->drv_tx_rings;
1665 tx_ring = &adapter->tx_ring[ring];
1667 free_irq(tx_ring->irq, tx_ring);
1673 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1677 if (qlcnic_82xx_check(adapter)) {
1678 if (adapter->ahw->extra_capability[0] &
1679 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1680 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1682 capab = adapter->ahw->capabilities;
1683 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1684 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1688 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1691 struct qlcnic_host_rds_ring *rds_ring;
1693 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1696 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1699 if (qlcnic_set_eswitch_port_config(adapter))
1702 qlcnic_get_lro_mss_capability(adapter);
1704 if (qlcnic_fw_create_ctx(adapter))
1707 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1708 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1709 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1712 qlcnic_set_multi(netdev);
1713 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1715 adapter->ahw->linkup = 0;
1717 if (adapter->drv_sds_rings > 1)
1718 qlcnic_config_rss(adapter, 1);
1720 qlcnic_config_intr_coalesce(adapter);
1722 if (netdev->features & NETIF_F_LRO)
1723 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1725 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1726 qlcnic_napi_enable(adapter);
1728 qlcnic_linkevent_request(adapter, 1);
1730 adapter->ahw->reset_context = 0;
1734 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1739 if (netif_running(netdev))
1740 err = __qlcnic_up(adapter, netdev);
1746 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1750 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1753 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1756 if (qlcnic_sriov_vf_check(adapter))
1757 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1759 netif_carrier_off(netdev);
1760 adapter->ahw->linkup = 0;
1761 netif_tx_disable(netdev);
1763 qlcnic_free_mac_list(adapter);
1765 if (adapter->fhash.fnum)
1766 qlcnic_delete_lb_filters(adapter);
1768 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1770 qlcnic_napi_disable(adapter);
1772 qlcnic_fw_destroy_ctx(adapter);
1773 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1775 qlcnic_reset_rx_buffers_list(adapter);
1777 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1778 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1781 /* Usage: During suspend and firmware recovery module */
1783 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1786 if (netif_running(netdev))
1787 __qlcnic_down(adapter, netdev);
1793 qlcnic_attach(struct qlcnic_adapter *adapter)
1795 struct net_device *netdev = adapter->netdev;
1796 struct pci_dev *pdev = adapter->pdev;
1799 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1802 err = qlcnic_napi_add(adapter, netdev);
1806 err = qlcnic_alloc_sw_resources(adapter);
1808 dev_err(&pdev->dev, "Error in setting sw resources\n");
1809 goto err_out_napi_del;
1812 err = qlcnic_alloc_hw_resources(adapter);
1814 dev_err(&pdev->dev, "Error in setting hw resources\n");
1815 goto err_out_free_sw;
1818 err = qlcnic_request_irq(adapter);
1820 dev_err(&pdev->dev, "failed to setup interrupt\n");
1821 goto err_out_free_hw;
1824 qlcnic_create_sysfs_entries(adapter);
1826 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1830 qlcnic_free_hw_resources(adapter);
1832 qlcnic_free_sw_resources(adapter);
1834 qlcnic_napi_del(adapter);
1838 void qlcnic_detach(struct qlcnic_adapter *adapter)
1840 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1843 qlcnic_remove_sysfs_entries(adapter);
1845 qlcnic_free_hw_resources(adapter);
1846 qlcnic_release_rx_buffers(adapter);
1847 qlcnic_free_irq(adapter);
1848 qlcnic_napi_del(adapter);
1849 qlcnic_free_sw_resources(adapter);
1854 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
1856 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1857 struct qlcnic_host_sds_ring *sds_ring;
1858 int drv_tx_rings = adapter->drv_tx_rings;
1861 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1862 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1863 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1864 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1865 qlcnic_disable_int(sds_ring);
1869 qlcnic_fw_destroy_ctx(adapter);
1871 qlcnic_detach(adapter);
1873 adapter->ahw->diag_test = 0;
1874 adapter->drv_sds_rings = drv_sds_rings;
1875 adapter->drv_tx_rings = drv_tx_rings;
1877 if (qlcnic_attach(adapter))
1880 if (netif_running(netdev))
1881 __qlcnic_up(adapter, netdev);
1883 netif_device_attach(netdev);
1886 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1888 struct qlcnic_hardware_context *ahw = adapter->ahw;
1891 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1893 if (!adapter->recv_ctx) {
1897 /* Initialize interrupt coalesce parameters */
1898 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1899 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1900 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1901 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1902 if (qlcnic_83xx_check(adapter)) {
1903 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1904 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1907 memset(&adapter->stats, 0, sizeof(adapter->stats));
1912 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1914 kfree(adapter->recv_ctx);
1915 adapter->recv_ctx = NULL;
1917 if (adapter->ahw->fw_dump.tmpl_hdr) {
1918 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1919 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1922 kfree(adapter->ahw->reset.buff);
1923 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1926 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1928 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1929 struct qlcnic_host_sds_ring *sds_ring;
1930 struct qlcnic_host_rds_ring *rds_ring;
1934 netif_device_detach(netdev);
1936 if (netif_running(netdev))
1937 __qlcnic_down(adapter, netdev);
1939 qlcnic_detach(adapter);
1941 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
1942 adapter->ahw->diag_test = test;
1943 adapter->ahw->linkup = 0;
1945 ret = qlcnic_attach(adapter);
1947 netif_device_attach(netdev);
1951 ret = qlcnic_fw_create_ctx(adapter);
1953 qlcnic_detach(adapter);
1954 netif_device_attach(netdev);
1958 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1959 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1960 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1963 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1964 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1965 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1966 qlcnic_enable_int(sds_ring);
1970 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1971 adapter->ahw->loopback_state = 0;
1972 qlcnic_linkevent_request(adapter, 1);
1975 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1980 /* Reset context in hardware only */
1982 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1984 struct net_device *netdev = adapter->netdev;
1986 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1989 netif_device_detach(netdev);
1991 qlcnic_down(adapter, netdev);
1993 qlcnic_up(adapter, netdev);
1995 netif_device_attach(netdev);
1997 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1998 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
2003 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2006 struct net_device *netdev = adapter->netdev;
2008 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2011 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2013 netif_device_detach(netdev);
2015 if (netif_running(netdev))
2016 __qlcnic_down(adapter, netdev);
2018 qlcnic_detach(adapter);
2020 if (netif_running(netdev)) {
2021 err = qlcnic_attach(adapter);
2023 __qlcnic_up(adapter, netdev);
2024 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2028 netif_device_attach(netdev);
2031 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2035 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2037 struct qlcnic_hardware_context *ahw = adapter->ahw;
2038 u16 act_pci_fn = ahw->act_pci_func;
2041 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2042 if (act_pci_fn <= 2)
2043 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2046 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2048 ahw->max_uc_count = count;
2052 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2056 struct pci_dev *pdev = adapter->pdev;
2058 adapter->rx_csum = 1;
2059 adapter->ahw->mc_enabled = 0;
2060 qlcnic_set_mac_filter_count(adapter);
2062 netdev->netdev_ops = &qlcnic_netdev_ops;
2063 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2065 qlcnic_change_mtu(netdev, netdev->mtu);
2067 if (qlcnic_sriov_vf_check(adapter))
2068 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2070 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2072 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2073 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2074 NETIF_F_HW_VLAN_CTAG_RX);
2075 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2078 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2079 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2080 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2083 if (pci_using_dac) {
2084 netdev->features |= NETIF_F_HIGHDMA;
2085 netdev->vlan_features |= NETIF_F_HIGHDMA;
2088 if (qlcnic_vlan_tx_check(adapter))
2089 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2091 if (qlcnic_sriov_vf_check(adapter))
2092 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2094 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2095 netdev->features |= NETIF_F_LRO;
2097 netdev->hw_features = netdev->features;
2098 netdev->priv_flags |= IFF_UNICAST_FLT;
2099 netdev->irq = adapter->msix_entries[0].vector;
2101 err = qlcnic_set_real_num_queues(adapter, netdev);
2105 err = register_netdev(netdev);
2107 dev_err(&pdev->dev, "failed to register net device\n");
2111 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2116 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2118 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2119 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2121 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2122 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2125 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2132 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2135 struct qlcnic_host_tx_ring *tx_ring;
2137 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2138 tx_ring = &adapter->tx_ring[ring];
2139 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2140 vfree(tx_ring->cmd_buf_arr);
2141 tx_ring->cmd_buf_arr = NULL;
2144 if (adapter->tx_ring != NULL)
2145 kfree(adapter->tx_ring);
2148 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2149 struct net_device *netdev)
2151 int ring, vector, index;
2152 struct qlcnic_host_tx_ring *tx_ring;
2153 struct qlcnic_cmd_buffer *cmd_buf_arr;
2155 tx_ring = kcalloc(adapter->drv_tx_rings,
2156 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2157 if (tx_ring == NULL)
2160 adapter->tx_ring = tx_ring;
2162 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2163 tx_ring = &adapter->tx_ring[ring];
2164 tx_ring->num_desc = adapter->num_txd;
2165 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2166 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2167 if (cmd_buf_arr == NULL) {
2168 qlcnic_free_tx_rings(adapter);
2171 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2172 tx_ring->cmd_buf_arr = cmd_buf_arr;
2173 spin_lock_init(&tx_ring->tx_clean_lock);
2176 if (qlcnic_83xx_check(adapter) ||
2177 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2178 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2179 tx_ring = &adapter->tx_ring[ring];
2180 tx_ring->adapter = adapter;
2181 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2182 index = adapter->drv_sds_rings + ring;
2183 vector = adapter->msix_entries[index].vector;
2184 tx_ring->irq = vector;
2192 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2194 struct qlcnic_hardware_context *ahw = adapter->ahw;
2197 if (qlcnic_82xx_check(adapter))
2198 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2199 else if (qlcnic_83xx_check(adapter))
2200 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2202 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2203 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2207 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2209 struct net_device *netdev = NULL;
2210 struct qlcnic_adapter *adapter = NULL;
2211 struct qlcnic_hardware_context *ahw;
2212 int err, pci_using_dac = -1;
2213 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2214 struct qlcnic_dcb *dcb;
2216 if (pdev->is_virtfn)
2219 err = pci_enable_device(pdev);
2223 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2225 goto err_out_disable_pdev;
2228 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2230 goto err_out_disable_pdev;
2232 err = pci_request_regions(pdev, qlcnic_driver_name);
2234 goto err_out_disable_pdev;
2236 pci_set_master(pdev);
2237 pci_enable_pcie_error_reporting(pdev);
2239 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2242 goto err_out_free_res;
2245 switch (ent->device) {
2246 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2247 ahw->hw_ops = &qlcnic_hw_ops;
2248 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2250 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2251 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2252 qlcnic_83xx_register_map(ahw);
2254 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2255 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2256 qlcnic_sriov_vf_register_map(ahw);
2259 goto err_out_free_hw_res;
2262 err = qlcnic_setup_pci_map(pdev, ahw);
2264 goto err_out_free_hw_res;
2266 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2267 QLCNIC_MAX_TX_RINGS);
2270 goto err_out_iounmap;
2273 SET_NETDEV_DEV(netdev, &pdev->dev);
2275 adapter = netdev_priv(netdev);
2276 adapter->netdev = netdev;
2277 adapter->pdev = pdev;
2280 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2281 if (adapter->qlcnic_wq == NULL) {
2283 dev_err(&pdev->dev, "Failed to create workqueue\n");
2284 goto err_out_free_netdev;
2287 err = qlcnic_alloc_adapter_resources(adapter);
2289 goto err_out_free_wq;
2291 adapter->dev_rst_time = jiffies;
2292 adapter->ahw->revision_id = pdev->revision;
2293 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2294 adapter->fdb_mac_learn = true;
2295 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2296 adapter->drv_mac_learn = true;
2298 rwlock_init(&adapter->ahw->crb_lock);
2299 mutex_init(&adapter->ahw->mem_lock);
2301 INIT_LIST_HEAD(&adapter->mac_list);
2303 qlcnic_register_dcb(adapter);
2305 if (qlcnic_82xx_check(adapter)) {
2306 qlcnic_check_vf(adapter, ent);
2307 adapter->portnum = adapter->ahw->pci_func;
2308 err = qlcnic_start_firmware(adapter);
2310 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2311 "\t\tIf reboot doesn't help, try flashing the card\n");
2312 goto err_out_maintenance_mode;
2315 /* compute and set default and max tx/sds rings */
2316 if (adapter->ahw->msix_supported) {
2317 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2318 qlcnic_set_tx_ring_count(adapter,
2319 QLCNIC_SINGLE_RING);
2321 qlcnic_set_tx_ring_count(adapter,
2322 QLCNIC_DEF_TX_RINGS);
2323 qlcnic_set_sds_ring_count(adapter,
2324 QLCNIC_DEF_SDS_RINGS);
2326 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2327 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2330 err = qlcnic_setup_idc_param(adapter);
2332 goto err_out_free_hw;
2334 adapter->flags |= QLCNIC_NEED_FLR;
2338 if (dcb && qlcnic_dcb_attach(dcb))
2339 qlcnic_clear_dcb_ops(dcb);
2340 } else if (qlcnic_83xx_check(adapter)) {
2341 qlcnic_83xx_check_vf(adapter, ent);
2342 adapter->portnum = adapter->ahw->pci_func;
2343 err = qlcnic_83xx_init(adapter, pci_using_dac);
2346 case -ENOTRECOVERABLE:
2347 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n");
2348 dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n");
2349 goto err_out_free_hw;
2351 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2352 goto err_out_free_hw;
2354 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2355 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2356 goto err_out_maintenance_mode;
2360 if (qlcnic_sriov_vf_check(adapter))
2364 "%s: failed. Please Reboot\n", __func__);
2365 goto err_out_free_hw;
2368 if (qlcnic_read_mac_addr(adapter))
2369 dev_warn(&pdev->dev, "failed to read mac addr\n");
2371 qlcnic_read_phys_port_id(adapter);
2373 if (adapter->portnum == 0) {
2374 qlcnic_get_board_name(adapter, board_name);
2376 pr_info("%s: %s Board Chip rev 0x%x\n",
2377 module_name(THIS_MODULE),
2378 board_name, adapter->ahw->revision_id);
2381 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2383 dev_warn(&pdev->dev,
2384 "Device does not support MSI interrupts\n");
2386 if (qlcnic_82xx_check(adapter)) {
2387 err = qlcnic_setup_intr(adapter);
2389 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2390 goto err_out_disable_msi;
2394 err = qlcnic_get_act_pci_func(adapter);
2396 goto err_out_disable_mbx_intr;
2398 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2400 goto err_out_disable_mbx_intr;
2402 if (adapter->portnum == 0)
2403 qlcnic_set_drv_version(adapter);
2405 pci_set_drvdata(pdev, adapter);
2407 if (qlcnic_82xx_check(adapter))
2408 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2411 switch (adapter->ahw->port_type) {
2413 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2414 adapter->netdev->name);
2417 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2418 adapter->netdev->name);
2422 if (adapter->drv_mac_learn)
2423 qlcnic_alloc_lb_filters_mem(adapter);
2425 qlcnic_add_sysfs(adapter);
2429 err_out_disable_mbx_intr:
2430 if (qlcnic_83xx_check(adapter))
2431 qlcnic_83xx_free_mbx_intr(adapter);
2433 err_out_disable_msi:
2434 qlcnic_teardown_intr(adapter);
2435 qlcnic_cancel_idc_work(adapter);
2436 qlcnic_clr_all_drv_state(adapter, 0);
2439 qlcnic_free_adapter_resources(adapter);
2442 destroy_workqueue(adapter->qlcnic_wq);
2444 err_out_free_netdev:
2445 free_netdev(netdev);
2448 qlcnic_cleanup_pci_map(ahw);
2450 err_out_free_hw_res:
2454 pci_release_regions(pdev);
2456 err_out_disable_pdev:
2457 pci_disable_device(pdev);
2460 err_out_maintenance_mode:
2461 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2462 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2463 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2464 ahw->port_type = QLCNIC_XGBE;
2466 if (qlcnic_83xx_check(adapter))
2467 adapter->tgt_status_reg = NULL;
2469 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2471 err = register_netdev(netdev);
2474 dev_err(&pdev->dev, "Failed to register net device\n");
2475 qlcnic_clr_all_drv_state(adapter, 0);
2476 goto err_out_free_hw;
2479 pci_set_drvdata(pdev, adapter);
2480 qlcnic_add_sysfs(adapter);
2485 static void qlcnic_remove(struct pci_dev *pdev)
2487 struct qlcnic_adapter *adapter;
2488 struct net_device *netdev;
2489 struct qlcnic_hardware_context *ahw;
2491 adapter = pci_get_drvdata(pdev);
2492 if (adapter == NULL)
2495 netdev = adapter->netdev;
2496 qlcnic_sriov_pf_disable(adapter);
2498 qlcnic_cancel_idc_work(adapter);
2501 qlcnic_dcb_free(adapter->dcb);
2503 unregister_netdev(netdev);
2504 qlcnic_sriov_cleanup(adapter);
2506 if (qlcnic_83xx_check(adapter)) {
2507 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2508 cancel_delayed_work_sync(&adapter->idc_aen_work);
2509 qlcnic_83xx_free_mbx_intr(adapter);
2510 qlcnic_83xx_detach_mailbox_work(adapter);
2511 qlcnic_83xx_free_mailbox(ahw->mailbox);
2512 kfree(ahw->fw_info);
2515 qlcnic_detach(adapter);
2517 if (adapter->npars != NULL)
2518 kfree(adapter->npars);
2519 if (adapter->eswitch != NULL)
2520 kfree(adapter->eswitch);
2522 if (qlcnic_82xx_check(adapter))
2523 qlcnic_clr_all_drv_state(adapter, 0);
2525 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2527 qlcnic_free_lb_filters_mem(adapter);
2529 qlcnic_teardown_intr(adapter);
2531 qlcnic_remove_sysfs(adapter);
2533 qlcnic_cleanup_pci_map(adapter->ahw);
2535 qlcnic_release_firmware(adapter);
2537 pci_disable_pcie_error_reporting(pdev);
2538 pci_release_regions(pdev);
2539 pci_disable_device(pdev);
2541 if (adapter->qlcnic_wq) {
2542 destroy_workqueue(adapter->qlcnic_wq);
2543 adapter->qlcnic_wq = NULL;
2546 qlcnic_free_adapter_resources(adapter);
2548 free_netdev(netdev);
2551 static void qlcnic_shutdown(struct pci_dev *pdev)
2553 if (__qlcnic_shutdown(pdev))
2556 pci_disable_device(pdev);
2560 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2564 retval = __qlcnic_shutdown(pdev);
2568 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2572 static int qlcnic_resume(struct pci_dev *pdev)
2574 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2577 err = pci_enable_device(pdev);
2581 pci_set_power_state(pdev, PCI_D0);
2582 pci_set_master(pdev);
2583 pci_restore_state(pdev);
2585 return __qlcnic_resume(adapter);
2589 static int qlcnic_open(struct net_device *netdev)
2591 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2594 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2595 netdev_err(netdev, "%s: Device is in non-operational state\n",
2601 netif_carrier_off(netdev);
2603 err = qlcnic_attach(adapter);
2607 err = __qlcnic_up(adapter, netdev);
2611 netif_tx_start_all_queues(netdev);
2616 qlcnic_detach(adapter);
2621 * qlcnic_close - Disables a network interface entry point
2623 static int qlcnic_close(struct net_device *netdev)
2625 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2627 __qlcnic_down(adapter, netdev);
2632 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2636 struct net_device *netdev = adapter->netdev;
2637 u32 filter_size = 0;
2638 u16 act_pci_func = 0;
2640 if (adapter->fhash.fmax && adapter->fhash.fhead)
2643 act_pci_func = adapter->ahw->act_pci_func;
2644 spin_lock_init(&adapter->mac_learn_lock);
2645 spin_lock_init(&adapter->rx_mac_learn_lock);
2647 if (qlcnic_82xx_check(adapter)) {
2648 filter_size = QLCNIC_LB_MAX_FILTERS;
2649 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2651 filter_size = QLC_83XX_LB_MAX_FILTERS;
2652 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2655 head = kcalloc(adapter->fhash.fbucket_size,
2656 sizeof(struct hlist_head), GFP_ATOMIC);
2661 adapter->fhash.fmax = (filter_size / act_pci_func);
2662 adapter->fhash.fhead = head;
2664 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2665 act_pci_func, adapter->fhash.fmax);
2667 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2668 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2670 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2672 head = kcalloc(adapter->rx_fhash.fbucket_size,
2673 sizeof(struct hlist_head), GFP_ATOMIC);
2678 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2679 adapter->rx_fhash.fhead = head;
2681 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2682 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2685 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2687 if (adapter->fhash.fmax && adapter->fhash.fhead)
2688 kfree(adapter->fhash.fhead);
2690 adapter->fhash.fhead = NULL;
2691 adapter->fhash.fmax = 0;
2693 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2694 kfree(adapter->rx_fhash.fhead);
2696 adapter->rx_fhash.fmax = 0;
2697 adapter->rx_fhash.fhead = NULL;
2700 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2702 struct net_device *netdev = adapter->netdev;
2703 u32 temp_state, temp_val, temp = 0;
2706 if (qlcnic_83xx_check(adapter))
2707 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2709 if (qlcnic_82xx_check(adapter))
2710 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2712 temp_state = qlcnic_get_temp_state(temp);
2713 temp_val = qlcnic_get_temp_val(temp);
2715 if (temp_state == QLCNIC_TEMP_PANIC) {
2716 dev_err(&netdev->dev,
2717 "Device temperature %d degrees C exceeds"
2718 " maximum allowed. Hardware has been shut down.\n",
2721 } else if (temp_state == QLCNIC_TEMP_WARN) {
2722 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2723 dev_err(&netdev->dev,
2724 "Device temperature %d degrees C "
2725 "exceeds operating range."
2726 " Immediate action needed.\n",
2730 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2731 dev_info(&netdev->dev,
2732 "Device temperature is now %d degrees C"
2733 " in normal range.\n", temp_val);
2736 adapter->ahw->temp = temp_state;
2740 static void qlcnic_tx_timeout(struct net_device *netdev)
2742 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2743 struct qlcnic_host_tx_ring *tx_ring;
2746 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2749 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2750 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2751 if (qlcnic_82xx_check(adapter))
2752 adapter->need_fw_reset = 1;
2753 else if (qlcnic_83xx_check(adapter))
2754 qlcnic_83xx_idc_request_reset(adapter,
2755 QLCNIC_FORCE_FW_DUMP_KEY);
2757 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2758 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2759 tx_ring = &adapter->tx_ring[ring];
2760 netdev_info(netdev, "Tx ring=%d\n", ring);
2762 "crb_intr_mask=%d, producer=%d, sw_consumer=%d, hw_consumer=%d\n",
2763 readl(tx_ring->crb_intr_mask),
2764 readl(tx_ring->crb_cmd_producer),
2765 tx_ring->sw_consumer,
2766 le32_to_cpu(*(tx_ring->hw_consumer)));
2768 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2769 tx_ring->tx_stats.xmit_finished,
2770 tx_ring->tx_stats.xmit_called,
2771 tx_ring->tx_stats.xmit_on,
2772 tx_ring->tx_stats.xmit_off);
2774 adapter->ahw->reset_context = 1;
2778 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2780 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2781 struct net_device_stats *stats = &netdev->stats;
2783 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2784 stats->tx_packets = adapter->stats.xmitfinished;
2785 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2786 stats->tx_bytes = adapter->stats.txbytes;
2787 stats->rx_dropped = adapter->stats.rxdropped;
2788 stats->tx_dropped = adapter->stats.txdropped;
2793 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2797 status = readl(adapter->isr_int_vec);
2799 if (!(status & adapter->ahw->int_vec_bit))
2802 /* check interrupt state machine, to be sure */
2803 status = readl(adapter->crb_int_state_reg);
2804 if (!ISR_LEGACY_INT_TRIGGERED(status))
2807 writel(0xffffffff, adapter->tgt_status_reg);
2808 /* read twice to ensure write is flushed */
2809 readl(adapter->isr_int_vec);
2810 readl(adapter->isr_int_vec);
2815 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2817 struct qlcnic_host_sds_ring *sds_ring = data;
2818 struct qlcnic_adapter *adapter = sds_ring->adapter;
2820 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2822 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2823 writel(0xffffffff, adapter->tgt_status_reg);
2827 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2831 adapter->ahw->diag_cnt++;
2832 qlcnic_enable_int(sds_ring);
2836 static irqreturn_t qlcnic_intr(int irq, void *data)
2838 struct qlcnic_host_sds_ring *sds_ring = data;
2839 struct qlcnic_adapter *adapter = sds_ring->adapter;
2841 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2844 napi_schedule(&sds_ring->napi);
2849 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2851 struct qlcnic_host_sds_ring *sds_ring = data;
2852 struct qlcnic_adapter *adapter = sds_ring->adapter;
2854 /* clear interrupt */
2855 writel(0xffffffff, adapter->tgt_status_reg);
2857 napi_schedule(&sds_ring->napi);
2861 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2863 struct qlcnic_host_sds_ring *sds_ring = data;
2865 napi_schedule(&sds_ring->napi);
2869 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2871 struct qlcnic_host_tx_ring *tx_ring = data;
2873 napi_schedule(&tx_ring->napi);
2877 #ifdef CONFIG_NET_POLL_CONTROLLER
2878 static void qlcnic_poll_controller(struct net_device *netdev)
2881 struct qlcnic_host_sds_ring *sds_ring;
2882 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2883 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2885 disable_irq(adapter->irq);
2886 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2887 sds_ring = &recv_ctx->sds_rings[ring];
2888 qlcnic_intr(adapter->irq, sds_ring);
2890 enable_irq(adapter->irq);
2895 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2899 val = adapter->portnum & 0xf;
2900 val |= encoding << 7;
2901 val |= (jiffies - adapter->dev_rst_time) << 8;
2903 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2904 adapter->dev_rst_time = jiffies;
2908 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2912 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2913 state != QLCNIC_DEV_NEED_QUISCENT);
2915 if (qlcnic_api_lock(adapter))
2918 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2920 if (state == QLCNIC_DEV_NEED_RESET)
2921 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2922 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2923 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2925 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2927 qlcnic_api_unlock(adapter);
2933 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2937 if (qlcnic_api_lock(adapter))
2940 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2941 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2942 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2944 qlcnic_api_unlock(adapter);
2949 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2953 if (qlcnic_api_lock(adapter))
2956 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2957 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2958 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2961 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2963 dev_info(&adapter->pdev->dev,
2964 "Device state set to Failed. Please Reboot\n");
2965 } else if (!(val & 0x11111111))
2966 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2969 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2970 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2971 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2973 qlcnic_api_unlock(adapter);
2975 adapter->fw_fail_cnt = 0;
2976 adapter->flags &= ~QLCNIC_FW_HANG;
2977 clear_bit(__QLCNIC_START_FW, &adapter->state);
2978 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2981 /* Grab api lock, before checking state */
2983 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2985 int act, state, active_mask;
2986 struct qlcnic_hardware_context *ahw = adapter->ahw;
2988 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2989 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2991 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2992 active_mask = (~(1 << (ahw->pci_func * 4)));
2993 act = act & active_mask;
2996 if (((state & 0x11111111) == (act & 0x11111111)) ||
2997 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3003 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3005 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3007 if (val != QLCNIC_DRV_IDC_VER) {
3008 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3009 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3016 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3018 u32 val, prev_state;
3019 u8 dev_init_timeo = adapter->dev_init_timeo;
3020 u8 portnum = adapter->portnum;
3023 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3026 if (qlcnic_api_lock(adapter))
3029 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3030 if (!(val & (1 << (portnum * 4)))) {
3031 QLC_DEV_SET_REF_CNT(val, portnum);
3032 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3035 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3036 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3038 switch (prev_state) {
3039 case QLCNIC_DEV_COLD:
3040 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3041 QLCNIC_DEV_INITIALIZING);
3042 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3043 QLCNIC_DRV_IDC_VER);
3044 qlcnic_idc_debug_info(adapter, 0);
3045 qlcnic_api_unlock(adapter);
3048 case QLCNIC_DEV_READY:
3049 ret = qlcnic_check_idc_ver(adapter);
3050 qlcnic_api_unlock(adapter);
3053 case QLCNIC_DEV_NEED_RESET:
3054 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3055 QLC_DEV_SET_RST_RDY(val, portnum);
3056 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3059 case QLCNIC_DEV_NEED_QUISCENT:
3060 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3061 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3062 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3065 case QLCNIC_DEV_FAILED:
3066 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3067 qlcnic_api_unlock(adapter);
3070 case QLCNIC_DEV_INITIALIZING:
3071 case QLCNIC_DEV_QUISCENT:
3075 qlcnic_api_unlock(adapter);
3079 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3081 if (prev_state == QLCNIC_DEV_QUISCENT)
3083 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3085 if (!dev_init_timeo) {
3086 dev_err(&adapter->pdev->dev,
3087 "Waiting for device to initialize timeout\n");
3091 if (qlcnic_api_lock(adapter))
3094 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3095 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3096 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3098 ret = qlcnic_check_idc_ver(adapter);
3099 qlcnic_api_unlock(adapter);
3105 qlcnic_fwinit_work(struct work_struct *work)
3107 struct qlcnic_adapter *adapter = container_of(work,
3108 struct qlcnic_adapter, fw_work.work);
3109 u32 dev_state = 0xf;
3112 if (qlcnic_api_lock(adapter))
3115 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3116 if (dev_state == QLCNIC_DEV_QUISCENT ||
3117 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3118 qlcnic_api_unlock(adapter);
3119 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3124 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3125 qlcnic_api_unlock(adapter);
3129 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3130 dev_state == QLCNIC_DEV_READY) {
3131 dev_info(&adapter->pdev->dev, "Detected state change from "
3132 "DEV_NEED_RESET, skipping ack check\n");
3133 goto skip_ack_check;
3136 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3137 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3138 adapter->reset_ack_timeo);
3139 goto skip_ack_check;
3142 if (!qlcnic_check_drv_state(adapter)) {
3144 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3146 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3147 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3148 QLCNIC_DEV_INITIALIZING);
3149 set_bit(__QLCNIC_START_FW, &adapter->state);
3150 QLCDB(adapter, DRV, "Restarting fw\n");
3151 qlcnic_idc_debug_info(adapter, 0);
3152 val = QLC_SHARED_REG_RD32(adapter,
3153 QLCNIC_CRB_DRV_STATE);
3154 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3155 QLC_SHARED_REG_WR32(adapter,
3156 QLCNIC_CRB_DRV_STATE, val);
3159 qlcnic_api_unlock(adapter);
3162 if (qlcnic_check_fw_dump_state(adapter) &&
3163 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3164 QLCDB(adapter, DRV, "Take FW dump\n");
3165 qlcnic_dump_fw(adapter);
3166 adapter->flags |= QLCNIC_FW_HANG;
3170 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3171 if (!adapter->nic_ops->start_firmware(adapter)) {
3172 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3173 adapter->fw_wait_cnt = 0;
3179 qlcnic_api_unlock(adapter);
3182 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3183 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3185 switch (dev_state) {
3186 case QLCNIC_DEV_READY:
3187 if (!qlcnic_start_firmware(adapter)) {
3188 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3189 adapter->fw_wait_cnt = 0;
3192 case QLCNIC_DEV_FAILED:
3195 qlcnic_schedule_work(adapter,
3196 qlcnic_fwinit_work, FW_POLL_DELAY);
3201 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3202 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3203 netif_device_attach(adapter->netdev);
3204 qlcnic_clr_all_drv_state(adapter, 0);
3208 qlcnic_detach_work(struct work_struct *work)
3210 struct qlcnic_adapter *adapter = container_of(work,
3211 struct qlcnic_adapter, fw_work.work);
3212 struct net_device *netdev = adapter->netdev;
3215 netif_device_detach(netdev);
3217 /* Dont grab rtnl lock during Quiscent mode */
3218 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3219 if (netif_running(netdev))
3220 __qlcnic_down(adapter, netdev);
3222 qlcnic_down(adapter, netdev);
3224 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3226 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3227 dev_err(&adapter->pdev->dev,
3228 "Detaching the device: peg halt status1=0x%x\n",
3231 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3232 dev_err(&adapter->pdev->dev,
3233 "On board active cooling fan failed. "
3234 "Device has been halted.\n");
3235 dev_err(&adapter->pdev->dev,
3236 "Replace the adapter.\n");
3242 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3243 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3244 adapter->ahw->temp);
3248 /* Dont ack if this instance is the reset owner */
3249 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3250 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3251 dev_err(&adapter->pdev->dev,
3252 "Failed to set driver state,"
3253 "detaching the device.\n");
3258 adapter->fw_wait_cnt = 0;
3260 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3265 netif_device_attach(netdev);
3266 qlcnic_clr_all_drv_state(adapter, 1);
3269 /*Transit NPAR state to NON Operational */
3271 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3275 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3276 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3279 if (qlcnic_api_lock(adapter))
3281 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3282 QLCNIC_DEV_NPAR_NON_OPER);
3283 qlcnic_api_unlock(adapter);
3286 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
3288 u32 state, xg_val = 0, gb_val = 0;
3290 qlcnic_xg_set_xg0_mask(xg_val);
3291 qlcnic_xg_set_xg1_mask(xg_val);
3292 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3293 qlcnic_gb_set_gb0_mask(gb_val);
3294 qlcnic_gb_set_gb1_mask(gb_val);
3295 qlcnic_gb_set_gb2_mask(gb_val);
3296 qlcnic_gb_set_gb3_mask(gb_val);
3297 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3298 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3300 adapter->need_fw_reset = 1;
3302 if (qlcnic_api_lock(adapter))
3305 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3307 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3308 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3310 qlcnic_api_unlock(adapter);
3315 if (state == QLCNIC_DEV_READY) {
3316 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3317 QLCNIC_DEV_NEED_RESET);
3318 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3319 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3320 qlcnic_idc_debug_info(adapter, 0);
3323 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3324 QLCNIC_DEV_NPAR_NON_OPER);
3325 qlcnic_api_unlock(adapter);
3328 /* Transit to NPAR READY state from NPAR NOT READY state */
3330 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3332 if (qlcnic_api_lock(adapter))
3335 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3336 QLCNIC_DEV_NPAR_OPER);
3337 QLCDB(adapter, DRV, "NPAR operational state set\n");
3339 qlcnic_api_unlock(adapter);
3342 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3343 work_func_t func, int delay)
3345 if (test_bit(__QLCNIC_AER, &adapter->state))
3348 INIT_DELAYED_WORK(&adapter->fw_work, func);
3349 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3350 round_jiffies_relative(delay));
3354 qlcnic_attach_work(struct work_struct *work)
3356 struct qlcnic_adapter *adapter = container_of(work,
3357 struct qlcnic_adapter, fw_work.work);
3358 struct net_device *netdev = adapter->netdev;
3361 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3362 npar_state = QLC_SHARED_REG_RD32(adapter,
3363 QLCNIC_CRB_DEV_NPAR_STATE);
3364 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3365 qlcnic_clr_all_drv_state(adapter, 0);
3366 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3367 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3371 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3375 qlcnic_dcb_get_info(adapter->dcb);
3377 if (netif_running(netdev)) {
3378 if (qlcnic_up(adapter, netdev))
3381 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3385 netif_device_attach(netdev);
3386 adapter->fw_fail_cnt = 0;
3387 adapter->flags &= ~QLCNIC_FW_HANG;
3388 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3389 if (adapter->portnum == 0)
3390 qlcnic_set_drv_version(adapter);
3392 if (!qlcnic_clr_drv_state(adapter))
3393 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3398 qlcnic_check_health(struct qlcnic_adapter *adapter)
3400 struct qlcnic_hardware_context *ahw = adapter->ahw;
3401 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3402 u32 state = 0, heartbeat;
3406 if (qlcnic_check_temp(adapter))
3409 if (adapter->need_fw_reset)
3410 qlcnic_dev_request_reset(adapter, 0);
3412 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3413 if (state == QLCNIC_DEV_NEED_RESET) {
3414 qlcnic_set_npar_non_operational(adapter);
3415 adapter->need_fw_reset = 1;
3416 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3419 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3420 if (heartbeat != adapter->heartbeat) {
3421 adapter->heartbeat = heartbeat;
3422 adapter->fw_fail_cnt = 0;
3423 if (adapter->need_fw_reset)
3426 if (ahw->reset_context && qlcnic_auto_fw_reset)
3427 qlcnic_reset_hw_context(adapter);
3432 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3435 adapter->flags |= QLCNIC_FW_HANG;
3437 qlcnic_dev_request_reset(adapter, 0);
3439 if (qlcnic_auto_fw_reset)
3440 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3442 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3443 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3444 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3445 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3446 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3447 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3448 "PEG_NET_4_PC: 0x%x\n",
3450 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3451 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3452 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3453 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3454 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3455 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3456 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3457 dev_err(&adapter->pdev->dev,
3458 "Firmware aborted with error code 0x00006700. "
3459 "Device is being reset.\n");
3461 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3462 QLCNIC_DEV_NEED_RESET;
3464 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3467 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3468 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3469 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3470 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3471 qlcnic_dump_fw(adapter);
3477 void qlcnic_fw_poll_work(struct work_struct *work)
3479 struct qlcnic_adapter *adapter = container_of(work,
3480 struct qlcnic_adapter, fw_work.work);
3482 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3486 if (qlcnic_check_health(adapter))
3489 if (adapter->fhash.fnum)
3490 qlcnic_prune_lb_filters(adapter);
3493 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3496 static int qlcnic_is_first_func(struct pci_dev *pdev)
3498 struct pci_dev *oth_pdev;
3499 int val = pdev->devfn;
3502 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3503 (pdev->bus), pdev->bus->number,
3504 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3508 if (oth_pdev->current_state != PCI_D3cold) {
3509 pci_dev_put(oth_pdev);
3512 pci_dev_put(oth_pdev);
3517 static int qlcnic_attach_func(struct pci_dev *pdev)
3519 int err, first_func;
3520 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3521 struct net_device *netdev = adapter->netdev;
3523 pdev->error_state = pci_channel_io_normal;
3525 err = pci_enable_device(pdev);
3529 pci_set_master(pdev);
3530 pci_restore_state(pdev);
3532 first_func = qlcnic_is_first_func(pdev);
3534 if (qlcnic_api_lock(adapter))
3537 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3538 adapter->need_fw_reset = 1;
3539 set_bit(__QLCNIC_START_FW, &adapter->state);
3540 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3541 QLCNIC_DEV_INITIALIZING);
3542 QLCDB(adapter, DRV, "Restarting fw\n");
3544 qlcnic_api_unlock(adapter);
3546 err = qlcnic_start_firmware(adapter);
3550 qlcnic_clr_drv_state(adapter);
3551 kfree(adapter->msix_entries);
3552 adapter->msix_entries = NULL;
3553 err = qlcnic_setup_intr(adapter);
3556 kfree(adapter->msix_entries);
3557 netdev_err(netdev, "failed to setup interrupt\n");
3561 if (netif_running(netdev)) {
3562 err = qlcnic_attach(adapter);
3564 qlcnic_clr_all_drv_state(adapter, 1);
3565 clear_bit(__QLCNIC_AER, &adapter->state);
3566 netif_device_attach(netdev);
3570 err = qlcnic_up(adapter, netdev);
3574 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3577 netif_device_attach(netdev);
3581 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3582 pci_channel_state_t state)
3584 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3585 struct net_device *netdev = adapter->netdev;
3587 if (state == pci_channel_io_perm_failure)
3588 return PCI_ERS_RESULT_DISCONNECT;
3590 if (state == pci_channel_io_normal)
3591 return PCI_ERS_RESULT_RECOVERED;
3593 set_bit(__QLCNIC_AER, &adapter->state);
3594 netif_device_detach(netdev);
3596 cancel_delayed_work_sync(&adapter->fw_work);
3598 if (netif_running(netdev))
3599 qlcnic_down(adapter, netdev);
3601 qlcnic_detach(adapter);
3602 qlcnic_teardown_intr(adapter);
3604 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3606 pci_save_state(pdev);
3607 pci_disable_device(pdev);
3609 return PCI_ERS_RESULT_NEED_RESET;
3612 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3614 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3615 PCI_ERS_RESULT_RECOVERED;
3618 void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3621 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3623 pci_cleanup_aer_uncorrect_error_status(pdev);
3624 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3625 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3627 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3631 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3632 pci_channel_state_t state)
3634 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3635 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3637 if (hw_ops->io_error_detected) {
3638 return hw_ops->io_error_detected(pdev, state);
3640 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3641 return PCI_ERS_RESULT_DISCONNECT;
3645 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3647 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3648 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3650 if (hw_ops->io_slot_reset) {
3651 return hw_ops->io_slot_reset(pdev);
3653 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3654 return PCI_ERS_RESULT_DISCONNECT;
3658 static void qlcnic_io_resume(struct pci_dev *pdev)
3660 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3661 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3663 if (hw_ops->io_resume)
3664 hw_ops->io_resume(pdev);
3666 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3671 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3675 err = qlcnic_can_start_firmware(adapter);
3679 err = qlcnic_check_npar_opertional(adapter);
3683 err = qlcnic_initialize_nic(adapter);
3687 qlcnic_check_options(adapter);
3689 err = qlcnic_set_eswitch_port_config(adapter);
3693 adapter->need_fw_reset = 0;
3698 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3701 struct net_device *netdev = adapter->netdev;
3702 u8 max_hw_rings = 0;
3706 if (queue_type == QLCNIC_RX_QUEUE) {
3707 max_hw_rings = adapter->max_sds_rings;
3708 cur_rings = adapter->drv_sds_rings;
3710 } else if (queue_type == QLCNIC_TX_QUEUE) {
3711 max_hw_rings = adapter->max_tx_rings;
3712 cur_rings = adapter->drv_tx_rings;
3716 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3717 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
3721 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3722 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
3728 "%s rings value should not be lower than 2\n", buf);
3732 if (!is_power_of_2(ring_cnt)) {
3733 netdev_err(netdev, "%s rings value should be a power of 2\n",
3738 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3739 !qlcnic_check_multi_tx(adapter)) {
3740 netdev_err(netdev, "No Multi Tx queue support\n");
3744 if (ring_cnt > num_online_cpus()) {
3746 "%s value[%u] should not be higher than, number of online CPUs\n",
3747 buf, num_online_cpus());
3754 int qlcnic_setup_rings(struct qlcnic_adapter *adapter, u8 rx_cnt, u8 tx_cnt)
3756 struct net_device *netdev = adapter->netdev;
3759 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3762 netif_device_detach(netdev);
3763 if (netif_running(netdev))
3764 __qlcnic_down(adapter, netdev);
3766 qlcnic_detach(adapter);
3768 if (qlcnic_83xx_check(adapter)) {
3769 qlcnic_83xx_free_mbx_intr(adapter);
3770 qlcnic_83xx_enable_mbx_poll(adapter);
3773 qlcnic_teardown_intr(adapter);
3775 /* compute and set default and max tx/sds rings */
3776 qlcnic_set_tx_ring_count(adapter, tx_cnt);
3777 qlcnic_set_sds_ring_count(adapter, rx_cnt);
3779 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
3781 err = qlcnic_setup_intr(adapter);
3783 kfree(adapter->msix_entries);
3784 netdev_err(netdev, "failed to setup interrupt\n");
3788 if (qlcnic_83xx_check(adapter)) {
3789 /* register for NIC IDC AEN Events */
3790 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3791 err = qlcnic_83xx_setup_mbx_intr(adapter);
3792 qlcnic_83xx_disable_mbx_poll(adapter);
3794 dev_err(&adapter->pdev->dev,
3795 "failed to setup mbx interrupt\n");
3800 if (netif_running(netdev)) {
3801 err = qlcnic_attach(adapter);
3804 err = __qlcnic_up(adapter, netdev);
3807 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3810 netif_device_attach(netdev);
3811 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3817 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3820 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3821 struct net_device *dev, unsigned long event)
3823 struct in_device *indev;
3825 indev = in_dev_get(dev);
3832 qlcnic_config_ipaddr(adapter,
3833 ifa->ifa_address, QLCNIC_IP_UP);
3836 qlcnic_config_ipaddr(adapter,
3837 ifa->ifa_address, QLCNIC_IP_DOWN);
3842 } endfor_ifa(indev);
3847 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3849 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3850 struct net_device *dev;
3853 qlcnic_config_indev_addr(adapter, netdev, event);
3856 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3857 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3860 qlcnic_config_indev_addr(adapter, dev, event);
3865 static int qlcnic_netdev_event(struct notifier_block *this,
3866 unsigned long event, void *ptr)
3868 struct qlcnic_adapter *adapter;
3869 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3875 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3876 dev = vlan_dev_real_dev(dev);
3880 if (!is_qlcnic_netdev(dev))
3883 adapter = netdev_priv(dev);
3888 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3891 qlcnic_config_indev_addr(adapter, dev, event);
3897 qlcnic_inetaddr_event(struct notifier_block *this,
3898 unsigned long event, void *ptr)
3900 struct qlcnic_adapter *adapter;
3901 struct net_device *dev;
3903 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3905 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3911 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3912 dev = vlan_dev_real_dev(dev);
3916 if (!is_qlcnic_netdev(dev))
3919 adapter = netdev_priv(dev);
3924 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3929 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3933 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3944 static struct notifier_block qlcnic_netdev_cb = {
3945 .notifier_call = qlcnic_netdev_event,
3948 static struct notifier_block qlcnic_inetaddr_cb = {
3949 .notifier_call = qlcnic_inetaddr_event,
3952 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3955 static const struct pci_error_handlers qlcnic_err_handler = {
3956 .error_detected = qlcnic_io_error_detected,
3957 .slot_reset = qlcnic_io_slot_reset,
3958 .resume = qlcnic_io_resume,
3961 static struct pci_driver qlcnic_driver = {
3962 .name = qlcnic_driver_name,
3963 .id_table = qlcnic_pci_tbl,
3964 .probe = qlcnic_probe,
3965 .remove = qlcnic_remove,
3967 .suspend = qlcnic_suspend,
3968 .resume = qlcnic_resume,
3970 .shutdown = qlcnic_shutdown,
3971 .err_handler = &qlcnic_err_handler,
3972 #ifdef CONFIG_QLCNIC_SRIOV
3973 .sriov_configure = qlcnic_pci_sriov_configure,
3978 static int __init qlcnic_init_module(void)
3982 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3985 register_netdevice_notifier(&qlcnic_netdev_cb);
3986 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3989 ret = pci_register_driver(&qlcnic_driver);
3992 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3993 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4000 module_init(qlcnic_init_module);
4002 static void __exit qlcnic_exit_module(void)
4004 pci_unregister_driver(&qlcnic_driver);
4007 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4008 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4012 module_exit(qlcnic_exit_module);