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>
10 #include <linux/swab.h>
11 #include <linux/dma-mapping.h>
12 #include <linux/if_vlan.h>
14 #include <linux/ipv6.h>
15 #include <linux/inetdevice.h>
16 #include <linux/aer.h>
17 #include <linux/log2.h>
18 #include <linux/pci.h>
19 #include <net/vxlan.h>
22 #include "qlcnic_sriov.h"
23 #include "qlcnic_hw.h"
25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
26 MODULE_LICENSE("GPL");
27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
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, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
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 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
85 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
86 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
87 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
88 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
89 static void qlcnic_82xx_io_resume(struct pci_dev *);
90 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
91 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
93 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
95 struct qlcnic_hardware_context *ahw = adapter->ahw;
97 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
98 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
103 /* PCI Device ID Table */
104 #define ENTRY(device) \
105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
108 static const struct pci_device_id qlcnic_pci_tbl[] = {
109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
119 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
122 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
124 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
127 static const u32 msi_tgt_status[8] = {
128 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
129 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
130 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
131 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
134 static const u32 qlcnic_reg_tbl[] = {
135 0x1B20A8, /* PEG_HALT_STAT1 */
136 0x1B20AC, /* PEG_HALT_STAT2 */
137 0x1B20B0, /* FW_HEARTBEAT */
138 0x1B2100, /* LOCK ID */
139 0x1B2128, /* FW_CAPABILITIES */
140 0x1B2138, /* drv active */
141 0x1B2140, /* dev state */
142 0x1B2144, /* drv state */
143 0x1B2148, /* drv scratch */
144 0x1B214C, /* dev partition info */
145 0x1B2174, /* drv idc ver */
146 0x1B2150, /* fw version major */
147 0x1B2154, /* fw version minor */
148 0x1B2158, /* fw version sub */
149 0x1B219C, /* npar state */
150 0x1B21FC, /* FW_IMG_VALID */
151 0x1B2250, /* CMD_PEG_STATE */
152 0x1B233C, /* RCV_PEG_STATE */
153 0x1B23B4, /* ASIC TEMP */
154 0x1B216C, /* FW api */
155 0x1B2170, /* drv op mode */
156 0x13C010, /* flash lock */
157 0x13C014, /* flash unlock */
160 static const struct qlcnic_board_info qlcnic_boards[] = {
161 { PCI_VENDOR_ID_QLOGIC,
162 PCI_DEVICE_ID_QLOGIC_QLE844X,
165 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
166 { PCI_VENDOR_ID_QLOGIC,
167 PCI_DEVICE_ID_QLOGIC_QLE834X,
168 PCI_VENDOR_ID_QLOGIC,
170 "8300 Series Dual Port 10GbE Converged Network Adapter "
171 "(TCP/IP Networking)" },
172 { PCI_VENDOR_ID_QLOGIC,
173 PCI_DEVICE_ID_QLOGIC_QLE834X,
174 PCI_VENDOR_ID_QLOGIC,
176 "8300 Series Single Port 10GbE Converged Network Adapter "
177 "(TCP/IP Networking)" },
178 { PCI_VENDOR_ID_QLOGIC,
179 PCI_DEVICE_ID_QLOGIC_QLE834X,
180 PCI_VENDOR_ID_QLOGIC,
182 "8300 Series Dual Port 10GbE Converged Network Adapter "
183 "(TCP/IP Networking)" },
184 { PCI_VENDOR_ID_QLOGIC,
185 PCI_DEVICE_ID_QLOGIC_QLE834X,
186 PCI_VENDOR_ID_QLOGIC,
188 "8300 Series Dual Port 10GbE Converged Network Adapter "
189 "(TCP/IP Networking)" },
190 { PCI_VENDOR_ID_QLOGIC,
191 PCI_DEVICE_ID_QLOGIC_QLE834X,
192 PCI_VENDOR_ID_QLOGIC,
194 "8300 Series Dual Port 10GbE Converged Network Adapter "
195 "(TCP/IP Networking)" },
196 { PCI_VENDOR_ID_QLOGIC,
197 PCI_DEVICE_ID_QLOGIC_QLE834X,
198 PCI_VENDOR_ID_QLOGIC,
200 "8300 Series Dual Port 10GbE Converged Network Adapter "
201 "(TCP/IP Networking)" },
202 { PCI_VENDOR_ID_QLOGIC,
203 PCI_DEVICE_ID_QLOGIC_QLE834X,
204 PCI_VENDOR_ID_QLOGIC,
206 "8300 Series Dual Port 10GbE Converged Network Adapter "
207 "(TCP/IP Networking)" },
208 { PCI_VENDOR_ID_QLOGIC,
209 PCI_DEVICE_ID_QLOGIC_QLE834X,
210 PCI_VENDOR_ID_QLOGIC,
212 "8300 Series Single Port 10GbE Converged Network Adapter "
213 "(TCP/IP Networking)" },
214 { PCI_VENDOR_ID_QLOGIC,
215 PCI_DEVICE_ID_QLOGIC_QLE834X,
216 PCI_VENDOR_ID_QLOGIC,
218 "8300 Series Dual Port 10GbE Converged Network Adapter "
219 "(TCP/IP Networking)" },
220 { PCI_VENDOR_ID_QLOGIC,
221 PCI_DEVICE_ID_QLOGIC_QLE834X,
222 PCI_VENDOR_ID_QLOGIC,
224 "8300 Series Dual Port 10GbE Converged Network Adapter "
225 "(TCP/IP Networking)" },
226 { PCI_VENDOR_ID_QLOGIC,
227 PCI_DEVICE_ID_QLOGIC_QLE834X,
228 0x0, 0x0, "8300 Series 1/10GbE Controller" },
229 { PCI_VENDOR_ID_QLOGIC,
230 PCI_DEVICE_ID_QLOGIC_QLE8830,
233 "8830 Series 1/10GbE Controller" },
234 { PCI_VENDOR_ID_QLOGIC,
235 PCI_DEVICE_ID_QLOGIC_QLE824X,
236 PCI_VENDOR_ID_QLOGIC,
238 "8200 Series Single Port 10GbE Converged Network Adapter"
239 "(TCP/IP Networking)" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 PCI_VENDOR_ID_QLOGIC,
244 "8200 Series Dual Port 10GbE Converged Network Adapter"
245 "(TCP/IP Networking)" },
246 { PCI_VENDOR_ID_QLOGIC,
247 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 PCI_VENDOR_ID_QLOGIC,
250 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
251 { PCI_VENDOR_ID_QLOGIC,
252 PCI_DEVICE_ID_QLOGIC_QLE824X,
253 PCI_VENDOR_ID_QLOGIC,
255 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
256 { PCI_VENDOR_ID_QLOGIC,
257 PCI_DEVICE_ID_QLOGIC_QLE824X,
258 PCI_VENDOR_ID_QLOGIC,
260 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
261 { PCI_VENDOR_ID_QLOGIC,
262 PCI_DEVICE_ID_QLOGIC_QLE824X,
264 "NC523SFP 10Gb 2-port Server Adapter" },
265 { PCI_VENDOR_ID_QLOGIC,
266 PCI_DEVICE_ID_QLOGIC_QLE824X,
268 "CN1000Q Dual Port Converged Network Adapter" },
269 { PCI_VENDOR_ID_QLOGIC,
270 PCI_DEVICE_ID_QLOGIC_QLE824X,
271 PCI_VENDOR_ID_QLOGIC,
273 "QME8242-k 10GbE Dual Port Mezzanine Card" },
274 { PCI_VENDOR_ID_QLOGIC,
275 PCI_DEVICE_ID_QLOGIC_QLE824X,
276 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
279 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
282 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
284 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
286 int size = sizeof(struct qlcnic_host_sds_ring) * count;
288 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
290 return recv_ctx->sds_rings == NULL;
293 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
295 kfree(recv_ctx->sds_rings);
296 recv_ctx->sds_rings = NULL;
299 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
301 struct net_device *netdev = adapter->netdev;
302 struct pci_dev *pdev = adapter->pdev;
303 u8 mac_addr[ETH_ALEN];
306 ret = qlcnic_get_mac_address(adapter, mac_addr,
307 adapter->ahw->pci_func);
311 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
312 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
314 /* set station address */
316 if (!is_valid_ether_addr(netdev->dev_addr))
317 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
323 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
325 struct qlcnic_mac_vlan_list *cur;
326 struct list_head *head;
328 list_for_each(head, &adapter->mac_list) {
329 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
330 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
331 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
333 list_del(&cur->list);
340 static int qlcnic_set_mac(struct net_device *netdev, void *p)
342 struct qlcnic_adapter *adapter = netdev_priv(netdev);
343 struct sockaddr *addr = p;
345 if (qlcnic_sriov_vf_check(adapter))
348 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
351 if (!is_valid_ether_addr(addr->sa_data))
354 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) &&
355 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data))
358 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
359 netif_device_detach(netdev);
360 qlcnic_napi_disable(adapter);
363 qlcnic_delete_adapter_mac(adapter);
364 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
365 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
366 qlcnic_set_multi(adapter->netdev);
368 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
369 netif_device_attach(netdev);
370 qlcnic_napi_enable(adapter);
375 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
376 struct net_device *netdev,
377 const unsigned char *addr, u16 vid)
379 struct qlcnic_adapter *adapter = netdev_priv(netdev);
380 int err = -EOPNOTSUPP;
382 if (!adapter->fdb_mac_learn)
383 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
385 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
386 qlcnic_sriov_check(adapter)) {
387 if (is_unicast_ether_addr(addr)) {
388 err = dev_uc_del(netdev, addr);
390 err = qlcnic_nic_del_mac(adapter, addr);
391 } else if (is_multicast_ether_addr(addr)) {
392 err = dev_mc_del(netdev, addr);
400 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
401 struct net_device *netdev,
402 const unsigned char *addr, u16 vid, u16 flags)
404 struct qlcnic_adapter *adapter = netdev_priv(netdev);
407 if (!adapter->fdb_mac_learn)
408 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
410 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
411 !qlcnic_sriov_check(adapter)) {
412 pr_info("%s: FDB e-switch is not enabled\n", __func__);
416 if (ether_addr_equal(addr, adapter->mac_addr))
419 if (is_unicast_ether_addr(addr)) {
420 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
421 err = dev_uc_add_excl(netdev, addr);
424 } else if (is_multicast_ether_addr(addr)) {
425 err = dev_mc_add_excl(netdev, addr);
433 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
434 struct net_device *netdev,
435 struct net_device *filter_dev, int *idx)
437 struct qlcnic_adapter *adapter = netdev_priv(netdev);
440 if (!adapter->fdb_mac_learn)
441 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
443 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
444 qlcnic_sriov_check(adapter))
445 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
450 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
452 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
453 usleep_range(10000, 11000);
455 if (!adapter->fw_work.work.func)
458 cancel_delayed_work_sync(&adapter->fw_work);
461 static int qlcnic_get_phys_port_id(struct net_device *netdev,
462 struct netdev_phys_item_id *ppid)
464 struct qlcnic_adapter *adapter = netdev_priv(netdev);
465 struct qlcnic_hardware_context *ahw = adapter->ahw;
467 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
470 ppid->id_len = sizeof(ahw->phys_port_id);
471 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
476 static void qlcnic_add_vxlan_port(struct net_device *netdev,
477 struct udp_tunnel_info *ti)
479 struct qlcnic_adapter *adapter = netdev_priv(netdev);
480 struct qlcnic_hardware_context *ahw = adapter->ahw;
482 if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
485 /* Adapter supports only one VXLAN port. Use very first port
486 * for enabling offload
488 if (!qlcnic_encap_rx_offload(adapter))
490 if (!ahw->vxlan_port_count) {
491 ahw->vxlan_port_count = 1;
492 ahw->vxlan_port = ntohs(ti->port);
493 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
496 if (ahw->vxlan_port == ntohs(ti->port))
497 ahw->vxlan_port_count++;
501 static void qlcnic_del_vxlan_port(struct net_device *netdev,
502 struct udp_tunnel_info *ti)
504 struct qlcnic_adapter *adapter = netdev_priv(netdev);
505 struct qlcnic_hardware_context *ahw = adapter->ahw;
507 if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
510 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
511 (ahw->vxlan_port != ntohs(ti->port)))
514 ahw->vxlan_port_count--;
515 if (!ahw->vxlan_port_count)
516 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
519 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
520 struct net_device *dev,
521 netdev_features_t features)
523 features = vlan_features_check(skb, features);
524 return vxlan_features_check(skb, features);
527 static const struct net_device_ops qlcnic_netdev_ops = {
528 .ndo_open = qlcnic_open,
529 .ndo_stop = qlcnic_close,
530 .ndo_start_xmit = qlcnic_xmit_frame,
531 .ndo_get_stats = qlcnic_get_stats,
532 .ndo_validate_addr = eth_validate_addr,
533 .ndo_set_rx_mode = qlcnic_set_multi,
534 .ndo_set_mac_address = qlcnic_set_mac,
535 .ndo_change_mtu = qlcnic_change_mtu,
536 .ndo_fix_features = qlcnic_fix_features,
537 .ndo_set_features = qlcnic_set_features,
538 .ndo_tx_timeout = qlcnic_tx_timeout,
539 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
540 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
541 .ndo_fdb_add = qlcnic_fdb_add,
542 .ndo_fdb_del = qlcnic_fdb_del,
543 .ndo_fdb_dump = qlcnic_fdb_dump,
544 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
545 .ndo_udp_tunnel_add = qlcnic_add_vxlan_port,
546 .ndo_udp_tunnel_del = qlcnic_del_vxlan_port,
547 .ndo_features_check = qlcnic_features_check,
548 #ifdef CONFIG_NET_POLL_CONTROLLER
549 .ndo_poll_controller = qlcnic_poll_controller,
551 #ifdef CONFIG_QLCNIC_SRIOV
552 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
553 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
554 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
555 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
556 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
560 static const struct net_device_ops qlcnic_netdev_failed_ops = {
561 .ndo_open = qlcnic_open,
564 static struct qlcnic_nic_template qlcnic_ops = {
565 .config_bridged_mode = qlcnic_config_bridged_mode,
566 .config_led = qlcnic_82xx_config_led,
567 .start_firmware = qlcnic_82xx_start_firmware,
568 .request_reset = qlcnic_82xx_dev_request_reset,
569 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
570 .napi_add = qlcnic_82xx_napi_add,
571 .napi_del = qlcnic_82xx_napi_del,
572 .config_ipaddr = qlcnic_82xx_config_ipaddr,
573 .shutdown = qlcnic_82xx_shutdown,
574 .resume = qlcnic_82xx_resume,
575 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
578 struct qlcnic_nic_template qlcnic_vf_ops = {
579 .config_bridged_mode = qlcnicvf_config_bridged_mode,
580 .config_led = qlcnicvf_config_led,
581 .start_firmware = qlcnicvf_start_firmware
584 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
585 .read_crb = qlcnic_82xx_read_crb,
586 .write_crb = qlcnic_82xx_write_crb,
587 .read_reg = qlcnic_82xx_hw_read_wx_2M,
588 .write_reg = qlcnic_82xx_hw_write_wx_2M,
589 .get_mac_address = qlcnic_82xx_get_mac_address,
590 .setup_intr = qlcnic_82xx_setup_intr,
591 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
592 .mbx_cmd = qlcnic_82xx_issue_cmd,
593 .get_func_no = qlcnic_82xx_get_func_no,
594 .api_lock = qlcnic_82xx_api_lock,
595 .api_unlock = qlcnic_82xx_api_unlock,
596 .add_sysfs = qlcnic_82xx_add_sysfs,
597 .remove_sysfs = qlcnic_82xx_remove_sysfs,
598 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
599 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
600 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
601 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
602 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
603 .setup_link_event = qlcnic_82xx_linkevent_request,
604 .get_nic_info = qlcnic_82xx_get_nic_info,
605 .get_pci_info = qlcnic_82xx_get_pci_info,
606 .set_nic_info = qlcnic_82xx_set_nic_info,
607 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
608 .napi_enable = qlcnic_82xx_napi_enable,
609 .napi_disable = qlcnic_82xx_napi_disable,
610 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
611 .config_rss = qlcnic_82xx_config_rss,
612 .config_hw_lro = qlcnic_82xx_config_hw_lro,
613 .config_loopback = qlcnic_82xx_set_lb_mode,
614 .clear_loopback = qlcnic_82xx_clear_lb_mode,
615 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
616 .change_l2_filter = qlcnic_82xx_change_filter,
617 .get_board_info = qlcnic_82xx_get_board_info,
618 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
619 .free_mac_list = qlcnic_82xx_free_mac_list,
620 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
621 .io_error_detected = qlcnic_82xx_io_error_detected,
622 .io_slot_reset = qlcnic_82xx_io_slot_reset,
623 .io_resume = qlcnic_82xx_io_resume,
624 .get_beacon_state = qlcnic_82xx_get_beacon_state,
625 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
626 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
627 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
628 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
629 .get_saved_state = qlcnic_82xx_get_saved_state,
630 .set_saved_state = qlcnic_82xx_set_saved_state,
631 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
632 .get_cap_size = qlcnic_82xx_get_cap_size,
633 .set_sys_info = qlcnic_82xx_set_sys_info,
634 .store_cap_mask = qlcnic_82xx_store_cap_mask,
635 .encap_rx_offload = qlcnic_82xx_encap_rx_offload,
636 .encap_tx_offload = qlcnic_82xx_encap_tx_offload,
639 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
641 struct qlcnic_hardware_context *ahw = adapter->ahw;
643 if (qlcnic_82xx_check(adapter) &&
644 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
645 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
652 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
655 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
657 if (queue_type == QLCNIC_RX_QUEUE)
658 max_rings = adapter->max_sds_rings;
659 else if (queue_type == QLCNIC_TX_QUEUE)
660 max_rings = adapter->max_tx_rings;
662 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
665 if (ring_cnt > num_rings)
671 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
673 /* 83xx adapter does not have max_tx_rings intialized in probe */
674 if (adapter->max_tx_rings)
675 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
678 adapter->drv_tx_rings = tx_cnt;
681 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
683 /* 83xx adapter does not have max_sds_rings intialized in probe */
684 if (adapter->max_sds_rings)
685 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
688 adapter->drv_sds_rings = rx_cnt;
691 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
693 struct pci_dev *pdev = adapter->pdev;
694 int num_msix = 0, err = 0, vector;
696 adapter->flags &= ~QLCNIC_TSS_RSS;
698 if (adapter->drv_tss_rings > 0)
699 num_msix += adapter->drv_tss_rings;
701 num_msix += adapter->drv_tx_rings;
703 if (adapter->drv_rss_rings > 0)
704 num_msix += adapter->drv_rss_rings;
706 num_msix += adapter->drv_sds_rings;
708 if (qlcnic_83xx_check(adapter))
711 if (!adapter->msix_entries) {
712 adapter->msix_entries = kcalloc(num_msix,
713 sizeof(struct msix_entry),
715 if (!adapter->msix_entries)
719 for (vector = 0; vector < num_msix; vector++)
720 adapter->msix_entries[vector].entry = vector;
723 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
724 if (err == -ENOSPC) {
725 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
728 netdev_info(adapter->netdev,
729 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
732 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
734 /* Set rings to 0 so we can restore original TSS/RSS count */
735 adapter->drv_tss_rings = 0;
736 adapter->drv_rss_rings = 0;
738 if (qlcnic_83xx_check(adapter))
741 netdev_info(adapter->netdev,
742 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
743 adapter->drv_tx_rings, adapter->drv_sds_rings,
747 } else if (err < 0) {
751 adapter->ahw->num_msix = num_msix;
752 if (adapter->drv_tss_rings > 0)
753 adapter->drv_tx_rings = adapter->drv_tss_rings;
755 if (adapter->drv_rss_rings > 0)
756 adapter->drv_sds_rings = adapter->drv_rss_rings;
761 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
763 struct pci_dev *pdev = adapter->pdev;
766 if (!adapter->msix_entries) {
767 adapter->msix_entries = kcalloc(num_msix,
768 sizeof(struct msix_entry),
770 if (!adapter->msix_entries)
774 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
776 if (adapter->ahw->msix_supported) {
778 for (vector = 0; vector < num_msix; vector++)
779 adapter->msix_entries[vector].entry = vector;
781 err = pci_enable_msix_range(pdev,
782 adapter->msix_entries, 1, num_msix);
784 if (err == num_msix) {
785 adapter->flags |= QLCNIC_MSIX_ENABLED;
786 adapter->ahw->num_msix = num_msix;
787 dev_info(&pdev->dev, "using msi-x interrupts\n");
789 } else if (err > 0) {
790 pci_disable_msix(pdev);
793 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
796 if (qlcnic_82xx_check(adapter)) {
797 num_msix = rounddown_pow_of_two(err);
798 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
801 num_msix = rounddown_pow_of_two(err - 1);
803 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
807 if (qlcnic_82xx_check(adapter) &&
808 !qlcnic_check_multi_tx(adapter)) {
809 adapter->drv_sds_rings = num_msix;
810 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
812 /* Distribute vectors equally */
813 adapter->drv_tx_rings = num_msix / 2;
814 adapter->drv_sds_rings = adapter->drv_tx_rings;
819 "Trying to allocate %d MSI-X interrupt vectors\n",
825 "Unable to allocate %d MSI-X vectors, err=%d\n",
834 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
838 num_msix = adapter->drv_sds_rings;
840 if (qlcnic_check_multi_tx(adapter))
841 num_msix += adapter->drv_tx_rings;
843 num_msix += QLCNIC_SINGLE_RING;
848 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
851 u32 offset, mask_reg;
852 const struct qlcnic_legacy_intr_set *legacy_intrp;
853 struct qlcnic_hardware_context *ahw = adapter->ahw;
854 struct pci_dev *pdev = adapter->pdev;
856 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
857 adapter->flags |= QLCNIC_MSI_ENABLED;
858 offset = msi_tgt_status[adapter->ahw->pci_func];
859 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
861 dev_info(&pdev->dev, "using msi interrupts\n");
862 adapter->msix_entries[0].vector = pdev->irq;
866 if (qlcnic_use_msi || qlcnic_use_msi_x)
869 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
870 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
871 offset = legacy_intrp->tgt_status_reg;
872 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
873 mask_reg = legacy_intrp->tgt_mask_reg;
874 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
875 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
876 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
877 dev_info(&pdev->dev, "using legacy interrupts\n");
878 adapter->msix_entries[0].vector = pdev->irq;
882 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
884 int num_msix, err = 0;
886 if (adapter->flags & QLCNIC_TSS_RSS) {
887 err = qlcnic_setup_tss_rss_intr(adapter);
890 num_msix = adapter->ahw->num_msix;
892 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
894 err = qlcnic_enable_msix(adapter, num_msix);
898 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
899 qlcnic_disable_multi_tx(adapter);
900 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
902 err = qlcnic_enable_msi_legacy(adapter);
911 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
913 struct qlcnic_hardware_context *ahw = adapter->ahw;
916 if (qlcnic_check_multi_tx(adapter) &&
918 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
919 ahw->intr_tbl = vzalloc(ahw->num_msix *
920 sizeof(struct qlcnic_intrpt_config));
924 for (i = 0; i < ahw->num_msix; i++) {
925 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
926 ahw->intr_tbl[i].id = i;
927 ahw->intr_tbl[i].src = 0;
930 err = qlcnic_82xx_config_intrpt(adapter, 1);
932 dev_err(&adapter->pdev->dev,
933 "Failed to configure Interrupt for %d vector\n",
941 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
943 if (adapter->flags & QLCNIC_MSIX_ENABLED)
944 pci_disable_msix(adapter->pdev);
945 if (adapter->flags & QLCNIC_MSI_ENABLED)
946 pci_disable_msi(adapter->pdev);
948 kfree(adapter->msix_entries);
949 adapter->msix_entries = NULL;
951 if (adapter->ahw->intr_tbl) {
952 vfree(adapter->ahw->intr_tbl);
953 adapter->ahw->intr_tbl = NULL;
957 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
959 if (ahw->pci_base0 != NULL)
960 iounmap(ahw->pci_base0);
963 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
965 struct qlcnic_hardware_context *ahw = adapter->ahw;
966 struct qlcnic_pci_info *pci_info;
969 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
970 switch (ahw->port_type) {
972 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
975 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
981 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
984 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
988 ret = qlcnic_get_pci_info(adapter, pci_info);
993 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
997 if (qlcnic_84xx_check(adapter)) {
999 } else if (qlcnic_83xx_check(adapter)) {
1000 if (adapter->ahw->extra_capability[0] &
1001 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
1010 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
1012 struct qlcnic_hardware_context *ahw = adapter->ahw;
1013 struct qlcnic_pci_info *pci_info;
1014 int i, id = 0, ret = 0, j = 0;
1018 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
1022 ret = qlcnic_get_pci_info(adapter, pci_info);
1026 act_pci_func = ahw->total_nic_func;
1028 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
1029 act_pci_func, GFP_KERNEL);
1030 if (!adapter->npars) {
1035 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1036 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1037 if (!adapter->eswitch) {
1042 for (i = 0; i < ahw->max_vnic_func; i++) {
1043 pfn = pci_info[i].id;
1045 if (pfn >= ahw->max_vnic_func) {
1047 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1048 __func__, pfn, ahw->max_vnic_func);
1052 if (!pci_info[i].active ||
1053 (pci_info[i].type != QLCNIC_TYPE_NIC))
1056 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1057 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1059 adapter->npars[j].eswitch_status = true;
1063 adapter->npars[j].eswitch_status = true;
1066 adapter->npars[j].pci_func = pfn;
1067 adapter->npars[j].active = (u8)pci_info[i].active;
1068 adapter->npars[j].type = (u8)pci_info[i].type;
1069 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1070 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1071 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1073 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1077 /* Update eSwitch status for adapters without per port eSwitch
1078 * configuration capability
1080 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1081 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1082 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1089 kfree(adapter->eswitch);
1090 adapter->eswitch = NULL;
1092 kfree(adapter->npars);
1093 adapter->npars = NULL;
1101 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1105 u32 data = QLCNIC_MGMT_FUNC;
1106 struct qlcnic_hardware_context *ahw = adapter->ahw;
1108 ret = qlcnic_api_lock(adapter);
1113 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1114 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1115 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1116 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1117 qlcnic_api_unlock(adapter);
1122 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1123 const struct pci_device_id *ent)
1125 u32 op_mode, priv_level;
1127 /* Determine FW API version */
1128 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1131 /* Find PCI function number */
1132 qlcnic_get_func_no(adapter);
1134 /* Determine function privilege level */
1135 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1136 if (op_mode == QLC_DEV_DRV_DEFAULT)
1137 priv_level = QLCNIC_MGMT_FUNC;
1139 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1141 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1142 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1143 dev_info(&adapter->pdev->dev,
1144 "HAL Version: %d Non Privileged function\n",
1145 adapter->ahw->fw_hal_version);
1146 adapter->nic_ops = &qlcnic_vf_ops;
1148 adapter->nic_ops = &qlcnic_ops;
1151 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1152 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1153 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1156 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1157 *bar = QLCNIC_82XX_BAR0_LENGTH;
1159 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1160 case PCI_DEVICE_ID_QLOGIC_QLE8830:
1161 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1162 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1163 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1164 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
1165 *bar = QLCNIC_83XX_BAR0_LENGTH;
1172 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1173 struct qlcnic_hardware_context *ahw)
1176 void __iomem *mem_ptr0 = NULL;
1177 unsigned long mem_len, pci_len0 = 0, bar0_len;
1179 /* remap phys address */
1180 mem_len = pci_resource_len(pdev, 0);
1182 qlcnic_get_bar_length(pdev->device, &bar0_len);
1183 if (mem_len >= bar0_len) {
1185 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1186 if (mem_ptr0 == NULL) {
1187 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1195 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1197 ahw->pci_base0 = mem_ptr0;
1198 ahw->pci_len0 = pci_len0;
1199 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1200 qlcnic_get_ioaddr(ahw, offset);
1205 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1208 struct pci_dev *pdev = adapter->pdev;
1209 unsigned short subsystem_vendor;
1212 subsystem_vendor = pdev->subsystem_vendor;
1214 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1215 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1216 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1217 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1226 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1228 struct pci_dev *pdev = adapter->pdev;
1231 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1232 if (qlcnic_boards[i].vendor == pdev->vendor &&
1233 qlcnic_boards[i].device == pdev->device &&
1234 qlcnic_validate_subsystem_id(adapter, i)) {
1241 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1243 sprintf(name, "%pM: %s" , adapter->mac_addr,
1244 qlcnic_boards[i].short_name);
1248 qlcnic_check_options(struct qlcnic_adapter *adapter)
1251 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1252 struct pci_dev *pdev = adapter->pdev;
1253 struct qlcnic_hardware_context *ahw = adapter->ahw;
1254 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1256 prev_fw_version = adapter->fw_version;
1258 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1259 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1260 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1262 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1264 err = qlcnic_get_board_info(adapter);
1266 dev_err(&pdev->dev, "Error getting board config info.\n");
1269 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1270 if (fw_dump->tmpl_hdr == NULL ||
1271 adapter->fw_version > prev_fw_version) {
1272 vfree(fw_dump->tmpl_hdr);
1273 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1274 dev_info(&pdev->dev,
1275 "Supports FW dump capability\n");
1279 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1280 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1282 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1283 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1284 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1285 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1287 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1288 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1291 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1292 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1294 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1295 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1296 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1297 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1298 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1301 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1303 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1305 adapter->max_rds_rings = MAX_RDS_RINGS;
1309 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1311 struct qlcnic_info nic_info;
1314 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1315 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1319 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1320 adapter->ahw->switch_mode = nic_info.switch_mode;
1321 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1322 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1323 adapter->ahw->capabilities = nic_info.capabilities;
1325 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1327 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1330 adapter->ahw->extra_capability[0] = temp;
1332 adapter->ahw->extra_capability[0] = 0;
1335 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1336 adapter->ahw->max_mtu = nic_info.max_mtu;
1338 if (adapter->ahw->capabilities & BIT_6) {
1339 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1340 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1341 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1342 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1344 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1346 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1347 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1348 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1349 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1355 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1356 struct qlcnic_esw_func_cfg *esw_cfg)
1358 if (esw_cfg->discard_tagged)
1359 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1361 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1363 if (esw_cfg->vlan_id) {
1364 adapter->rx_pvid = esw_cfg->vlan_id;
1365 adapter->tx_pvid = esw_cfg->vlan_id;
1367 adapter->rx_pvid = 0;
1368 adapter->tx_pvid = 0;
1373 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1378 if (qlcnic_sriov_vf_check(adapter)) {
1379 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1382 "Cannot add VLAN filter for VLAN id %d, err=%d",
1388 set_bit(vid, adapter->vlans);
1393 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1395 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1398 if (qlcnic_sriov_vf_check(adapter)) {
1399 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1402 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1408 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1409 clear_bit(vid, adapter->vlans);
1413 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1414 struct qlcnic_esw_func_cfg *esw_cfg)
1416 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1417 QLCNIC_PROMISC_DISABLED);
1419 if (esw_cfg->mac_anti_spoof)
1420 adapter->flags |= QLCNIC_MACSPOOF;
1422 if (!esw_cfg->mac_override)
1423 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1425 if (!esw_cfg->promisc_mode)
1426 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1429 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1431 struct qlcnic_esw_func_cfg esw_cfg;
1433 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1436 esw_cfg.pci_func = adapter->ahw->pci_func;
1437 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1439 qlcnic_set_vlan_config(adapter, &esw_cfg);
1440 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1441 qlcnic_set_netdev_features(adapter, &esw_cfg);
1446 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1447 struct qlcnic_esw_func_cfg *esw_cfg)
1449 struct net_device *netdev = adapter->netdev;
1451 if (qlcnic_83xx_check(adapter))
1454 adapter->offload_flags = esw_cfg->offload_flags;
1455 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1456 netdev_update_features(netdev);
1457 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1461 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1463 u32 op_mode, priv_level;
1466 err = qlcnic_initialize_nic(adapter);
1470 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1473 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1474 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1476 if (op_mode == QLC_DEV_DRV_DEFAULT)
1477 priv_level = QLCNIC_MGMT_FUNC;
1479 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1481 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1482 if (priv_level == QLCNIC_MGMT_FUNC) {
1483 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1484 err = qlcnic_init_pci_info(adapter);
1487 /* Set privilege level for other functions */
1488 qlcnic_set_function_modes(adapter);
1489 dev_info(&adapter->pdev->dev,
1490 "HAL Version: %d, Management function\n",
1491 adapter->ahw->fw_hal_version);
1492 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1493 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1494 dev_info(&adapter->pdev->dev,
1495 "HAL Version: %d, Privileged function\n",
1496 adapter->ahw->fw_hal_version);
1499 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1502 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1507 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1509 struct qlcnic_esw_func_cfg esw_cfg;
1510 struct qlcnic_npar_info *npar;
1513 if (adapter->need_fw_reset)
1516 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1517 if (!adapter->npars[i].eswitch_status)
1520 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1521 esw_cfg.pci_func = adapter->npars[i].pci_func;
1522 esw_cfg.mac_override = BIT_0;
1523 esw_cfg.promisc_mode = BIT_0;
1524 if (qlcnic_82xx_check(adapter)) {
1525 esw_cfg.offload_flags = BIT_0;
1526 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1527 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1529 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1531 npar = &adapter->npars[i];
1532 npar->pvid = esw_cfg.vlan_id;
1533 npar->mac_override = esw_cfg.mac_override;
1534 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1535 npar->discard_tagged = esw_cfg.discard_tagged;
1536 npar->promisc_mode = esw_cfg.promisc_mode;
1537 npar->offload_flags = esw_cfg.offload_flags;
1545 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1546 struct qlcnic_npar_info *npar, int pci_func)
1548 struct qlcnic_esw_func_cfg esw_cfg;
1549 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1550 esw_cfg.pci_func = pci_func;
1551 esw_cfg.vlan_id = npar->pvid;
1552 esw_cfg.mac_override = npar->mac_override;
1553 esw_cfg.discard_tagged = npar->discard_tagged;
1554 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1555 esw_cfg.offload_flags = npar->offload_flags;
1556 esw_cfg.promisc_mode = npar->promisc_mode;
1557 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1560 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1561 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1567 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1570 struct qlcnic_npar_info *npar;
1571 struct qlcnic_info nic_info;
1574 if (qlcnic_82xx_check(adapter))
1575 if (!adapter->need_fw_reset)
1578 /* Set the NPAR config data after FW reset */
1579 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1580 npar = &adapter->npars[i];
1581 pci_func = npar->pci_func;
1582 if (!adapter->npars[i].eswitch_status)
1585 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1586 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1589 nic_info.min_tx_bw = npar->min_bw;
1590 nic_info.max_tx_bw = npar->max_bw;
1591 err = qlcnic_set_nic_info(adapter, &nic_info);
1595 if (npar->enable_pm) {
1596 err = qlcnic_config_port_mirroring(adapter,
1602 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1609 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1611 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1614 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1617 npar_state = QLC_SHARED_REG_RD32(adapter,
1618 QLCNIC_CRB_DEV_NPAR_STATE);
1619 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1621 npar_state = QLC_SHARED_REG_RD32(adapter,
1622 QLCNIC_CRB_DEV_NPAR_STATE);
1624 if (!npar_opt_timeo) {
1625 dev_err(&adapter->pdev->dev,
1626 "Waiting for NPAR state to operational timeout\n");
1633 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1637 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1638 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1641 err = qlcnic_set_default_offload_settings(adapter);
1645 err = qlcnic_reset_npar_config(adapter);
1649 qlcnic_dev_set_npar_ready(adapter);
1654 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1658 err = qlcnic_can_start_firmware(adapter);
1662 goto check_fw_status;
1664 if (qlcnic_load_fw_file)
1665 qlcnic_request_firmware(adapter);
1667 err = qlcnic_check_flash_fw_ver(adapter);
1671 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1674 err = qlcnic_need_fw_reset(adapter);
1676 goto check_fw_status;
1678 err = qlcnic_pinit_from_rom(adapter);
1682 err = qlcnic_load_firmware(adapter);
1686 qlcnic_release_firmware(adapter);
1687 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1690 err = qlcnic_check_fw_status(adapter);
1694 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1695 qlcnic_idc_debug_info(adapter, 1);
1696 err = qlcnic_check_eswitch_mode(adapter);
1698 dev_err(&adapter->pdev->dev,
1699 "Memory allocation failed for eswitch\n");
1702 err = qlcnic_set_mgmt_operations(adapter);
1706 qlcnic_check_options(adapter);
1707 adapter->need_fw_reset = 0;
1709 qlcnic_release_firmware(adapter);
1713 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1714 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1716 qlcnic_release_firmware(adapter);
1721 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1723 irq_handler_t handler;
1724 struct qlcnic_host_sds_ring *sds_ring;
1725 struct qlcnic_host_tx_ring *tx_ring;
1726 int err, ring, num_sds_rings;
1728 unsigned long flags = 0;
1729 struct net_device *netdev = adapter->netdev;
1730 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1732 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1733 if (qlcnic_82xx_check(adapter))
1734 handler = qlcnic_tmp_intr;
1736 handler = qlcnic_83xx_tmp_intr;
1737 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1738 flags |= IRQF_SHARED;
1741 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1742 handler = qlcnic_msix_intr;
1743 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1744 handler = qlcnic_msi_intr;
1746 flags |= IRQF_SHARED;
1747 if (qlcnic_82xx_check(adapter))
1748 handler = qlcnic_intr;
1750 handler = qlcnic_83xx_intr;
1753 adapter->irq = netdev->irq;
1755 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1756 if (qlcnic_82xx_check(adapter) ||
1757 (qlcnic_83xx_check(adapter) &&
1758 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1759 num_sds_rings = adapter->drv_sds_rings;
1760 for (ring = 0; ring < num_sds_rings; ring++) {
1761 sds_ring = &recv_ctx->sds_rings[ring];
1762 if (qlcnic_82xx_check(adapter) &&
1763 !qlcnic_check_multi_tx(adapter) &&
1764 (ring == (num_sds_rings - 1))) {
1765 if (!(adapter->flags &
1766 QLCNIC_MSIX_ENABLED))
1767 snprintf(sds_ring->name,
1768 sizeof(sds_ring->name),
1771 snprintf(sds_ring->name,
1772 sizeof(sds_ring->name),
1774 netdev->name, ring);
1776 snprintf(sds_ring->name,
1777 sizeof(sds_ring->name),
1779 netdev->name, ring);
1781 err = request_irq(sds_ring->irq, handler, flags,
1782 sds_ring->name, sds_ring);
1787 if ((qlcnic_82xx_check(adapter) &&
1788 qlcnic_check_multi_tx(adapter)) ||
1789 (qlcnic_83xx_check(adapter) &&
1790 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1791 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1792 handler = qlcnic_msix_tx_intr;
1793 for (ring = 0; ring < adapter->drv_tx_rings;
1795 tx_ring = &adapter->tx_ring[ring];
1796 snprintf(tx_ring->name, sizeof(tx_ring->name),
1797 "%s-tx-%d", netdev->name, ring);
1798 err = request_irq(tx_ring->irq, handler, flags,
1799 tx_ring->name, tx_ring);
1809 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1812 struct qlcnic_host_sds_ring *sds_ring;
1813 struct qlcnic_host_tx_ring *tx_ring;
1815 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1817 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1818 if (qlcnic_82xx_check(adapter) ||
1819 (qlcnic_83xx_check(adapter) &&
1820 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1821 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1822 sds_ring = &recv_ctx->sds_rings[ring];
1823 free_irq(sds_ring->irq, sds_ring);
1826 if ((qlcnic_83xx_check(adapter) &&
1827 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1828 (qlcnic_82xx_check(adapter) &&
1829 qlcnic_check_multi_tx(adapter))) {
1830 for (ring = 0; ring < adapter->drv_tx_rings;
1832 tx_ring = &adapter->tx_ring[ring];
1834 free_irq(tx_ring->irq, tx_ring);
1840 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1844 if (qlcnic_82xx_check(adapter)) {
1845 if (adapter->ahw->extra_capability[0] &
1846 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1847 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1849 capab = adapter->ahw->capabilities;
1850 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1851 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1855 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1857 struct qlcnic_hardware_context *ahw = adapter->ahw;
1860 /* Initialize interrupt coalesce parameters */
1861 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1863 if (qlcnic_83xx_check(adapter)) {
1864 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1865 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1866 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1867 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1868 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1870 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1872 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1873 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1874 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1876 err = qlcnic_82xx_set_rx_coalesce(adapter);
1882 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1885 struct qlcnic_host_rds_ring *rds_ring;
1887 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1890 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1893 if (qlcnic_set_eswitch_port_config(adapter))
1896 qlcnic_get_lro_mss_capability(adapter);
1898 if (qlcnic_fw_create_ctx(adapter))
1901 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1902 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1903 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1906 qlcnic_set_multi(netdev);
1907 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1909 adapter->ahw->linkup = 0;
1911 if (adapter->drv_sds_rings > 1)
1912 qlcnic_config_rss(adapter, 1);
1914 qlcnic_config_def_intr_coalesce(adapter);
1916 if (netdev->features & NETIF_F_LRO)
1917 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1919 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1920 qlcnic_napi_enable(adapter);
1922 qlcnic_linkevent_request(adapter, 1);
1924 adapter->ahw->reset_context = 0;
1925 netif_tx_start_all_queues(netdev);
1929 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1934 if (netif_running(netdev))
1935 err = __qlcnic_up(adapter, netdev);
1941 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1945 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1948 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1952 netif_carrier_off(netdev);
1953 adapter->ahw->linkup = 0;
1954 netif_tx_disable(netdev);
1956 qlcnic_free_mac_list(adapter);
1958 if (adapter->fhash.fnum)
1959 qlcnic_delete_lb_filters(adapter);
1961 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1962 if (qlcnic_sriov_vf_check(adapter))
1963 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1965 qlcnic_napi_disable(adapter);
1967 qlcnic_fw_destroy_ctx(adapter);
1968 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1970 qlcnic_reset_rx_buffers_list(adapter);
1972 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1973 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1976 /* Usage: During suspend and firmware recovery module */
1978 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1981 if (netif_running(netdev))
1982 __qlcnic_down(adapter, netdev);
1988 qlcnic_attach(struct qlcnic_adapter *adapter)
1990 struct net_device *netdev = adapter->netdev;
1991 struct pci_dev *pdev = adapter->pdev;
1994 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1997 err = qlcnic_napi_add(adapter, netdev);
2001 err = qlcnic_alloc_sw_resources(adapter);
2003 dev_err(&pdev->dev, "Error in setting sw resources\n");
2004 goto err_out_napi_del;
2007 err = qlcnic_alloc_hw_resources(adapter);
2009 dev_err(&pdev->dev, "Error in setting hw resources\n");
2010 goto err_out_free_sw;
2013 err = qlcnic_request_irq(adapter);
2015 dev_err(&pdev->dev, "failed to setup interrupt\n");
2016 goto err_out_free_hw;
2019 qlcnic_create_sysfs_entries(adapter);
2021 if (qlcnic_encap_rx_offload(adapter))
2022 udp_tunnel_get_rx_info(netdev);
2024 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2028 qlcnic_free_hw_resources(adapter);
2030 qlcnic_free_sw_resources(adapter);
2032 qlcnic_napi_del(adapter);
2036 void qlcnic_detach(struct qlcnic_adapter *adapter)
2038 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2041 qlcnic_remove_sysfs_entries(adapter);
2043 qlcnic_free_hw_resources(adapter);
2044 qlcnic_release_rx_buffers(adapter);
2045 qlcnic_free_irq(adapter);
2046 qlcnic_napi_del(adapter);
2047 qlcnic_free_sw_resources(adapter);
2052 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2054 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2055 struct qlcnic_host_sds_ring *sds_ring;
2056 int drv_tx_rings = adapter->drv_tx_rings;
2059 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2060 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2061 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2062 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2063 qlcnic_disable_sds_intr(adapter, sds_ring);
2067 qlcnic_fw_destroy_ctx(adapter);
2069 qlcnic_detach(adapter);
2071 adapter->ahw->diag_test = 0;
2072 adapter->drv_sds_rings = drv_sds_rings;
2073 adapter->drv_tx_rings = drv_tx_rings;
2075 if (qlcnic_attach(adapter))
2078 if (netif_running(netdev))
2079 __qlcnic_up(adapter, netdev);
2081 netif_device_attach(netdev);
2084 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2086 struct qlcnic_hardware_context *ahw = adapter->ahw;
2089 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2091 if (!adapter->recv_ctx) {
2096 if (qlcnic_83xx_check(adapter)) {
2097 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2098 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2099 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2100 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2101 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2103 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2104 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2105 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2109 memset(&adapter->stats, 0, sizeof(adapter->stats));
2114 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2116 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2118 kfree(adapter->recv_ctx);
2119 adapter->recv_ctx = NULL;
2121 if (fw_dump->tmpl_hdr) {
2122 vfree(fw_dump->tmpl_hdr);
2123 fw_dump->tmpl_hdr = NULL;
2126 if (fw_dump->dma_buffer) {
2127 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2128 fw_dump->dma_buffer, fw_dump->phys_addr);
2129 fw_dump->dma_buffer = NULL;
2132 kfree(adapter->ahw->reset.buff);
2133 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2136 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2138 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2139 struct qlcnic_host_sds_ring *sds_ring;
2140 struct qlcnic_host_rds_ring *rds_ring;
2144 netif_device_detach(netdev);
2146 if (netif_running(netdev))
2147 __qlcnic_down(adapter, netdev);
2149 qlcnic_detach(adapter);
2151 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2152 adapter->ahw->diag_test = test;
2153 adapter->ahw->linkup = 0;
2155 ret = qlcnic_attach(adapter);
2157 netif_device_attach(netdev);
2161 ret = qlcnic_fw_create_ctx(adapter);
2163 qlcnic_detach(adapter);
2164 netif_device_attach(netdev);
2168 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2169 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2170 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2173 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2174 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2175 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2176 qlcnic_enable_sds_intr(adapter, sds_ring);
2180 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2181 adapter->ahw->loopback_state = 0;
2182 qlcnic_linkevent_request(adapter, 1);
2185 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2190 /* Reset context in hardware only */
2192 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2194 struct net_device *netdev = adapter->netdev;
2196 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2199 netif_device_detach(netdev);
2201 qlcnic_down(adapter, netdev);
2203 qlcnic_up(adapter, netdev);
2205 netif_device_attach(netdev);
2207 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2208 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2213 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2216 struct net_device *netdev = adapter->netdev;
2218 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2221 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2223 netif_device_detach(netdev);
2225 if (netif_running(netdev))
2226 __qlcnic_down(adapter, netdev);
2228 qlcnic_detach(adapter);
2230 if (netif_running(netdev)) {
2231 err = qlcnic_attach(adapter);
2233 __qlcnic_up(adapter, netdev);
2234 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2238 netif_device_attach(netdev);
2241 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2245 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2247 struct qlcnic_hardware_context *ahw = adapter->ahw;
2248 u16 act_pci_fn = ahw->total_nic_func;
2251 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2252 if (act_pci_fn <= 2)
2253 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2256 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2258 ahw->max_uc_count = count;
2261 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2262 u8 tx_queues, u8 rx_queues)
2264 struct net_device *netdev = adapter->netdev;
2268 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2270 netdev_err(netdev, "failed to set %d Tx queues\n",
2277 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2279 netdev_err(netdev, "failed to set %d Rx queues\n",
2287 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2291 struct pci_dev *pdev = adapter->pdev;
2293 adapter->rx_csum = 1;
2294 adapter->ahw->mc_enabled = 0;
2295 qlcnic_set_mac_filter_count(adapter);
2297 netdev->netdev_ops = &qlcnic_netdev_ops;
2298 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2300 qlcnic_change_mtu(netdev, netdev->mtu);
2302 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2303 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2305 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2306 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2307 NETIF_F_HW_VLAN_CTAG_RX);
2308 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2311 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2312 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2313 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2316 if (pci_using_dac) {
2317 netdev->features |= NETIF_F_HIGHDMA;
2318 netdev->vlan_features |= NETIF_F_HIGHDMA;
2321 if (qlcnic_vlan_tx_check(adapter))
2322 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2324 if (qlcnic_sriov_vf_check(adapter))
2325 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2327 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2328 netdev->features |= NETIF_F_LRO;
2330 if (qlcnic_encap_tx_offload(adapter)) {
2331 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2333 /* encapsulation Tx offload supported by Adapter */
2334 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2335 NETIF_F_GSO_UDP_TUNNEL |
2340 if (qlcnic_encap_rx_offload(adapter))
2341 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2343 netdev->hw_features = netdev->features;
2344 netdev->priv_flags |= IFF_UNICAST_FLT;
2345 netdev->irq = adapter->msix_entries[0].vector;
2347 /* MTU range: 68 - 9600 */
2348 netdev->min_mtu = P3P_MIN_MTU;
2349 netdev->max_mtu = P3P_MAX_MTU;
2351 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2352 adapter->drv_sds_rings);
2356 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2358 err = register_netdev(netdev);
2360 dev_err(&pdev->dev, "failed to register net device\n");
2367 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2369 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2370 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2372 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2373 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2376 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2383 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2386 struct qlcnic_host_tx_ring *tx_ring;
2388 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2389 tx_ring = &adapter->tx_ring[ring];
2391 vfree(tx_ring->cmd_buf_arr);
2392 tx_ring->cmd_buf_arr = NULL;
2395 kfree(adapter->tx_ring);
2398 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2399 struct net_device *netdev)
2401 int ring, vector, index;
2402 struct qlcnic_host_tx_ring *tx_ring;
2403 struct qlcnic_cmd_buffer *cmd_buf_arr;
2405 tx_ring = kcalloc(adapter->drv_tx_rings,
2406 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2407 if (tx_ring == NULL)
2410 adapter->tx_ring = tx_ring;
2412 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2413 tx_ring = &adapter->tx_ring[ring];
2414 tx_ring->num_desc = adapter->num_txd;
2415 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2416 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2417 if (cmd_buf_arr == NULL) {
2418 qlcnic_free_tx_rings(adapter);
2421 tx_ring->cmd_buf_arr = cmd_buf_arr;
2422 spin_lock_init(&tx_ring->tx_clean_lock);
2425 if (qlcnic_83xx_check(adapter) ||
2426 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2427 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2428 tx_ring = &adapter->tx_ring[ring];
2429 tx_ring->adapter = adapter;
2430 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2431 index = adapter->drv_sds_rings + ring;
2432 vector = adapter->msix_entries[index].vector;
2433 tx_ring->irq = vector;
2441 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2443 struct qlcnic_hardware_context *ahw = adapter->ahw;
2446 if (qlcnic_82xx_check(adapter))
2447 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2448 else if (qlcnic_83xx_check(adapter))
2449 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2451 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2452 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2455 /* Reset firmware API lock */
2456 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2458 qlcnic_api_lock(adapter);
2459 qlcnic_api_unlock(adapter);
2464 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2466 struct net_device *netdev = NULL;
2467 struct qlcnic_adapter *adapter = NULL;
2468 struct qlcnic_hardware_context *ahw;
2469 int err, pci_using_dac = -1;
2470 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2472 err = pci_enable_device(pdev);
2476 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2478 goto err_out_disable_pdev;
2481 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2483 goto err_out_disable_pdev;
2485 err = pci_request_regions(pdev, qlcnic_driver_name);
2487 goto err_out_disable_pdev;
2489 pci_set_master(pdev);
2490 pci_enable_pcie_error_reporting(pdev);
2492 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2495 goto err_out_free_res;
2498 switch (ent->device) {
2499 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2500 ahw->hw_ops = &qlcnic_hw_ops;
2501 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2503 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2504 case PCI_DEVICE_ID_QLOGIC_QLE8830:
2505 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2506 qlcnic_83xx_register_map(ahw);
2508 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2509 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
2510 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2511 qlcnic_sriov_vf_register_map(ahw);
2515 goto err_out_free_hw_res;
2518 err = qlcnic_setup_pci_map(pdev, ahw);
2520 goto err_out_free_hw_res;
2522 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2523 QLCNIC_MAX_TX_RINGS);
2526 goto err_out_iounmap;
2529 SET_NETDEV_DEV(netdev, &pdev->dev);
2531 adapter = netdev_priv(netdev);
2532 adapter->netdev = netdev;
2533 adapter->pdev = pdev;
2536 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2537 if (adapter->qlcnic_wq == NULL) {
2539 dev_err(&pdev->dev, "Failed to create workqueue\n");
2540 goto err_out_free_netdev;
2543 err = qlcnic_alloc_adapter_resources(adapter);
2545 goto err_out_free_wq;
2547 adapter->dev_rst_time = jiffies;
2548 ahw->revision_id = pdev->revision;
2549 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2550 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2551 adapter->fdb_mac_learn = true;
2552 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2553 adapter->drv_mac_learn = true;
2555 rwlock_init(&adapter->ahw->crb_lock);
2556 mutex_init(&adapter->ahw->mem_lock);
2558 INIT_LIST_HEAD(&adapter->mac_list);
2560 qlcnic_register_dcb(adapter);
2562 if (qlcnic_82xx_check(adapter)) {
2563 qlcnic_check_vf(adapter, ent);
2564 adapter->portnum = adapter->ahw->pci_func;
2565 qlcnic_reset_api_lock(adapter);
2566 err = qlcnic_start_firmware(adapter);
2568 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2569 "\t\tIf reboot doesn't help, try flashing the card\n");
2570 goto err_out_maintenance_mode;
2573 /* compute and set default and max tx/sds rings */
2574 if (adapter->ahw->msix_supported) {
2575 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2576 qlcnic_set_tx_ring_count(adapter,
2577 QLCNIC_SINGLE_RING);
2579 qlcnic_set_tx_ring_count(adapter,
2580 QLCNIC_DEF_TX_RINGS);
2581 qlcnic_set_sds_ring_count(adapter,
2582 QLCNIC_DEF_SDS_RINGS);
2584 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2585 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2588 err = qlcnic_setup_idc_param(adapter);
2590 goto err_out_free_hw;
2592 adapter->flags |= QLCNIC_NEED_FLR;
2594 } else if (qlcnic_83xx_check(adapter)) {
2595 qlcnic_83xx_check_vf(adapter, ent);
2596 adapter->portnum = adapter->ahw->pci_func;
2597 err = qlcnic_83xx_init(adapter, pci_using_dac);
2600 case -ENOTRECOVERABLE:
2601 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2602 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2603 goto err_out_free_hw;
2605 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2606 goto err_out_free_hw;
2608 dev_err(&pdev->dev, "Adapter initialization failed\n");
2609 goto err_out_free_hw;
2611 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2612 goto err_out_maintenance_mode;
2616 if (qlcnic_sriov_vf_check(adapter))
2620 "%s: failed. Please Reboot\n", __func__);
2622 goto err_out_free_hw;
2625 if (qlcnic_read_mac_addr(adapter))
2626 dev_warn(&pdev->dev, "failed to read mac addr\n");
2628 qlcnic_read_phys_port_id(adapter);
2630 if (adapter->portnum == 0) {
2631 qlcnic_get_board_name(adapter, board_name);
2633 pr_info("%s: %s Board Chip rev 0x%x\n",
2634 module_name(THIS_MODULE),
2635 board_name, adapter->ahw->revision_id);
2638 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2640 dev_warn(&pdev->dev,
2641 "Device does not support MSI interrupts\n");
2643 if (qlcnic_82xx_check(adapter)) {
2644 err = qlcnic_dcb_enable(adapter->dcb);
2646 qlcnic_dcb_free(adapter->dcb);
2647 dev_err(&pdev->dev, "Failed to enable DCB\n");
2648 goto err_out_free_hw;
2651 qlcnic_dcb_get_info(adapter->dcb);
2652 err = qlcnic_setup_intr(adapter);
2655 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2656 goto err_out_disable_msi;
2660 err = qlcnic_get_act_pci_func(adapter);
2662 goto err_out_disable_mbx_intr;
2664 if (adapter->portnum == 0)
2665 qlcnic_set_drv_version(adapter);
2667 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2669 goto err_out_disable_mbx_intr;
2671 pci_set_drvdata(pdev, adapter);
2673 if (qlcnic_82xx_check(adapter))
2674 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2677 switch (adapter->ahw->port_type) {
2679 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2680 adapter->netdev->name);
2683 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2684 adapter->netdev->name);
2688 if (adapter->drv_mac_learn)
2689 qlcnic_alloc_lb_filters_mem(adapter);
2691 qlcnic_add_sysfs(adapter);
2692 qlcnic_register_hwmon_dev(adapter);
2695 err_out_disable_mbx_intr:
2696 if (qlcnic_83xx_check(adapter))
2697 qlcnic_83xx_free_mbx_intr(adapter);
2699 err_out_disable_msi:
2700 qlcnic_teardown_intr(adapter);
2701 qlcnic_cancel_idc_work(adapter);
2702 qlcnic_clr_all_drv_state(adapter, 0);
2705 qlcnic_free_adapter_resources(adapter);
2708 destroy_workqueue(adapter->qlcnic_wq);
2710 err_out_free_netdev:
2711 free_netdev(netdev);
2714 qlcnic_cleanup_pci_map(ahw);
2716 err_out_free_hw_res:
2720 pci_disable_pcie_error_reporting(pdev);
2721 pci_release_regions(pdev);
2723 err_out_disable_pdev:
2724 pci_disable_device(pdev);
2727 err_out_maintenance_mode:
2728 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2729 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2730 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2731 ahw->port_type = QLCNIC_XGBE;
2733 if (qlcnic_83xx_check(adapter))
2734 adapter->tgt_status_reg = NULL;
2736 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2738 err = register_netdev(netdev);
2741 dev_err(&pdev->dev, "Failed to register net device\n");
2742 qlcnic_clr_all_drv_state(adapter, 0);
2743 goto err_out_free_hw;
2746 pci_set_drvdata(pdev, adapter);
2747 qlcnic_add_sysfs(adapter);
2752 static void qlcnic_remove(struct pci_dev *pdev)
2754 struct qlcnic_adapter *adapter;
2755 struct net_device *netdev;
2756 struct qlcnic_hardware_context *ahw;
2758 adapter = pci_get_drvdata(pdev);
2759 if (adapter == NULL)
2762 netdev = adapter->netdev;
2764 qlcnic_cancel_idc_work(adapter);
2765 qlcnic_sriov_pf_disable(adapter);
2768 unregister_netdev(netdev);
2769 qlcnic_sriov_cleanup(adapter);
2771 if (qlcnic_83xx_check(adapter)) {
2772 qlcnic_83xx_initialize_nic(adapter, 0);
2773 cancel_delayed_work_sync(&adapter->idc_aen_work);
2774 qlcnic_83xx_free_mbx_intr(adapter);
2775 qlcnic_83xx_detach_mailbox_work(adapter);
2776 qlcnic_83xx_free_mailbox(ahw->mailbox);
2777 kfree(ahw->fw_info);
2780 qlcnic_dcb_free(adapter->dcb);
2781 qlcnic_detach(adapter);
2782 kfree(adapter->npars);
2783 kfree(adapter->eswitch);
2785 if (qlcnic_82xx_check(adapter))
2786 qlcnic_clr_all_drv_state(adapter, 0);
2788 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2790 qlcnic_free_lb_filters_mem(adapter);
2792 qlcnic_teardown_intr(adapter);
2794 qlcnic_remove_sysfs(adapter);
2796 qlcnic_unregister_hwmon_dev(adapter);
2798 qlcnic_cleanup_pci_map(adapter->ahw);
2800 qlcnic_release_firmware(adapter);
2802 pci_disable_pcie_error_reporting(pdev);
2803 pci_release_regions(pdev);
2804 pci_disable_device(pdev);
2806 if (adapter->qlcnic_wq) {
2807 destroy_workqueue(adapter->qlcnic_wq);
2808 adapter->qlcnic_wq = NULL;
2811 qlcnic_free_adapter_resources(adapter);
2813 free_netdev(netdev);
2816 static void qlcnic_shutdown(struct pci_dev *pdev)
2818 if (__qlcnic_shutdown(pdev))
2821 pci_disable_device(pdev);
2825 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2829 retval = __qlcnic_shutdown(pdev);
2833 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2837 static int qlcnic_resume(struct pci_dev *pdev)
2839 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2842 err = pci_enable_device(pdev);
2846 pci_set_power_state(pdev, PCI_D0);
2847 pci_set_master(pdev);
2848 pci_restore_state(pdev);
2850 return __qlcnic_resume(adapter);
2854 static int qlcnic_open(struct net_device *netdev)
2856 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2859 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2860 netdev_err(netdev, "%s: Device is in non-operational state\n",
2866 netif_carrier_off(netdev);
2868 err = qlcnic_attach(adapter);
2872 err = __qlcnic_up(adapter, netdev);
2874 qlcnic_detach(adapter);
2880 * qlcnic_close - Disables a network interface entry point
2882 static int qlcnic_close(struct net_device *netdev)
2884 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2886 __qlcnic_down(adapter, netdev);
2891 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2893 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2897 struct net_device *netdev = adapter->netdev;
2898 u32 filter_size = 0;
2899 u16 act_pci_func = 0;
2901 if (adapter->fhash.fmax && adapter->fhash.fhead)
2904 act_pci_func = adapter->ahw->total_nic_func;
2905 spin_lock_init(&adapter->mac_learn_lock);
2906 spin_lock_init(&adapter->rx_mac_learn_lock);
2908 if (qlcnic_sriov_vf_check(adapter)) {
2909 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2910 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2911 } else if (qlcnic_82xx_check(adapter)) {
2912 filter_size = QLCNIC_LB_MAX_FILTERS;
2913 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2915 filter_size = QLC_83XX_LB_MAX_FILTERS;
2916 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2919 head = kcalloc(adapter->fhash.fbucket_size,
2920 sizeof(struct hlist_head), GFP_ATOMIC);
2925 adapter->fhash.fmax = (filter_size / act_pci_func);
2926 adapter->fhash.fhead = head;
2928 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2929 act_pci_func, adapter->fhash.fmax);
2931 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2932 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2934 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2936 head = kcalloc(adapter->rx_fhash.fbucket_size,
2937 sizeof(struct hlist_head), GFP_ATOMIC);
2942 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2943 adapter->rx_fhash.fhead = head;
2945 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2946 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2949 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2951 if (adapter->fhash.fmax)
2952 kfree(adapter->fhash.fhead);
2954 adapter->fhash.fhead = NULL;
2955 adapter->fhash.fmax = 0;
2957 if (adapter->rx_fhash.fmax)
2958 kfree(adapter->rx_fhash.fhead);
2960 adapter->rx_fhash.fmax = 0;
2961 adapter->rx_fhash.fhead = NULL;
2964 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2966 struct net_device *netdev = adapter->netdev;
2967 u32 temp_state, temp_val, temp = 0;
2970 if (qlcnic_83xx_check(adapter))
2971 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2973 if (qlcnic_82xx_check(adapter))
2974 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2976 temp_state = qlcnic_get_temp_state(temp);
2977 temp_val = qlcnic_get_temp_val(temp);
2979 if (temp_state == QLCNIC_TEMP_PANIC) {
2980 dev_err(&netdev->dev,
2981 "Device temperature %d degrees C exceeds"
2982 " maximum allowed. Hardware has been shut down.\n",
2985 } else if (temp_state == QLCNIC_TEMP_WARN) {
2986 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2987 dev_err(&netdev->dev,
2988 "Device temperature %d degrees C "
2989 "exceeds operating range."
2990 " Immediate action needed.\n",
2994 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2995 dev_info(&netdev->dev,
2996 "Device temperature is now %d degrees C"
2997 " in normal range.\n", temp_val);
3000 adapter->ahw->temp = temp_state;
3004 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
3007 struct cmd_desc_type0 *tx_desc_info;
3009 for (i = 0; i < tx_ring->num_desc; i++) {
3010 tx_desc_info = &tx_ring->desc_head[i];
3011 pr_info("TX Desc: %d\n", i);
3012 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
3013 &tx_ring->desc_head[i],
3014 sizeof(struct cmd_desc_type0), true);
3018 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
3020 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
3021 struct net_device *netdev = adapter->netdev;
3022 struct qlcnic_host_rds_ring *rds_ring;
3023 struct qlcnic_host_sds_ring *sds_ring;
3024 struct qlcnic_host_tx_ring *tx_ring;
3027 if (!netdev || !netif_running(netdev))
3030 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
3031 rds_ring = &recv_ctx->rds_rings[ring];
3035 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
3036 ring, readl(rds_ring->crb_rcv_producer),
3037 rds_ring->producer, rds_ring->num_desc);
3040 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3041 sds_ring = &(recv_ctx->sds_rings[ring]);
3045 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
3046 ring, readl(sds_ring->crb_sts_consumer),
3047 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3048 sds_ring->num_desc);
3051 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3052 tx_ring = &adapter->tx_ring[ring];
3055 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3056 ring, tx_ring->ctx_id);
3058 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3059 tx_ring->tx_stats.xmit_finished,
3060 tx_ring->tx_stats.xmit_called,
3061 tx_ring->tx_stats.xmit_on,
3062 tx_ring->tx_stats.xmit_off);
3064 if (tx_ring->crb_intr_mask)
3065 netdev_info(netdev, "crb_intr_mask=%d\n",
3066 readl(tx_ring->crb_intr_mask));
3069 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3070 readl(tx_ring->crb_cmd_producer),
3071 tx_ring->producer, tx_ring->sw_consumer,
3072 le32_to_cpu(*(tx_ring->hw_consumer)));
3074 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3075 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3077 if (netif_msg_tx_err(adapter->ahw))
3078 dump_tx_ring_desc(tx_ring);
3083 static void qlcnic_tx_timeout(struct net_device *netdev)
3085 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3087 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3090 qlcnic_dump_rings(adapter);
3092 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3093 netif_msg_tx_err(adapter->ahw)) {
3094 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3095 if (qlcnic_82xx_check(adapter))
3096 adapter->need_fw_reset = 1;
3097 else if (qlcnic_83xx_check(adapter))
3098 qlcnic_83xx_idc_request_reset(adapter,
3099 QLCNIC_FORCE_FW_DUMP_KEY);
3101 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3102 adapter->ahw->reset_context = 1;
3106 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3108 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3109 struct net_device_stats *stats = &netdev->stats;
3111 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3112 qlcnic_update_stats(adapter);
3114 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3115 stats->tx_packets = adapter->stats.xmitfinished;
3116 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3117 stats->tx_bytes = adapter->stats.txbytes;
3118 stats->rx_dropped = adapter->stats.rxdropped;
3119 stats->tx_dropped = adapter->stats.txdropped;
3124 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3128 status = readl(adapter->isr_int_vec);
3130 if (!(status & adapter->ahw->int_vec_bit))
3133 /* check interrupt state machine, to be sure */
3134 status = readl(adapter->crb_int_state_reg);
3135 if (!ISR_LEGACY_INT_TRIGGERED(status))
3138 writel(0xffffffff, adapter->tgt_status_reg);
3139 /* read twice to ensure write is flushed */
3140 readl(adapter->isr_int_vec);
3141 readl(adapter->isr_int_vec);
3146 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3148 struct qlcnic_host_sds_ring *sds_ring = data;
3149 struct qlcnic_adapter *adapter = sds_ring->adapter;
3151 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3153 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3154 writel(0xffffffff, adapter->tgt_status_reg);
3158 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3162 adapter->ahw->diag_cnt++;
3163 qlcnic_enable_sds_intr(adapter, sds_ring);
3167 static irqreturn_t qlcnic_intr(int irq, void *data)
3169 struct qlcnic_host_sds_ring *sds_ring = data;
3170 struct qlcnic_adapter *adapter = sds_ring->adapter;
3172 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3175 napi_schedule(&sds_ring->napi);
3180 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3182 struct qlcnic_host_sds_ring *sds_ring = data;
3183 struct qlcnic_adapter *adapter = sds_ring->adapter;
3185 /* clear interrupt */
3186 writel(0xffffffff, adapter->tgt_status_reg);
3188 napi_schedule(&sds_ring->napi);
3192 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3194 struct qlcnic_host_sds_ring *sds_ring = data;
3196 napi_schedule(&sds_ring->napi);
3200 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3202 struct qlcnic_host_tx_ring *tx_ring = data;
3204 napi_schedule(&tx_ring->napi);
3208 #ifdef CONFIG_NET_POLL_CONTROLLER
3209 static void qlcnic_poll_controller(struct net_device *netdev)
3211 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3212 struct qlcnic_host_sds_ring *sds_ring;
3213 struct qlcnic_recv_context *recv_ctx;
3214 struct qlcnic_host_tx_ring *tx_ring;
3217 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3220 recv_ctx = adapter->recv_ctx;
3222 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3223 sds_ring = &recv_ctx->sds_rings[ring];
3224 qlcnic_disable_sds_intr(adapter, sds_ring);
3225 napi_schedule(&sds_ring->napi);
3228 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3229 /* Only Multi-Tx queue capable devices need to
3230 * schedule NAPI for TX rings
3232 if ((qlcnic_83xx_check(adapter) &&
3233 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3234 (qlcnic_82xx_check(adapter) &&
3235 !qlcnic_check_multi_tx(adapter)))
3238 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3239 tx_ring = &adapter->tx_ring[ring];
3240 qlcnic_disable_tx_intr(adapter, tx_ring);
3241 napi_schedule(&tx_ring->napi);
3248 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3252 val = adapter->portnum & 0xf;
3253 val |= encoding << 7;
3254 val |= (jiffies - adapter->dev_rst_time) << 8;
3256 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3257 adapter->dev_rst_time = jiffies;
3261 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3265 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3266 state != QLCNIC_DEV_NEED_QUISCENT);
3268 if (qlcnic_api_lock(adapter))
3271 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3273 if (state == QLCNIC_DEV_NEED_RESET)
3274 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3275 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3276 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3278 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3280 qlcnic_api_unlock(adapter);
3286 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3290 if (qlcnic_api_lock(adapter))
3293 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3294 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3295 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3297 qlcnic_api_unlock(adapter);
3302 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3306 if (qlcnic_api_lock(adapter))
3309 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3310 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3311 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3314 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3316 dev_info(&adapter->pdev->dev,
3317 "Device state set to Failed. Please Reboot\n");
3318 } else if (!(val & 0x11111111))
3319 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3322 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3323 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3324 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3326 qlcnic_api_unlock(adapter);
3328 adapter->fw_fail_cnt = 0;
3329 adapter->flags &= ~QLCNIC_FW_HANG;
3330 clear_bit(__QLCNIC_START_FW, &adapter->state);
3331 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3334 /* Grab api lock, before checking state */
3336 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3338 int act, state, active_mask;
3339 struct qlcnic_hardware_context *ahw = adapter->ahw;
3341 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3342 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3344 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3345 active_mask = (~(1 << (ahw->pci_func * 4)));
3346 act = act & active_mask;
3349 if (((state & 0x11111111) == (act & 0x11111111)) ||
3350 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3356 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3358 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3360 if (val != QLCNIC_DRV_IDC_VER) {
3361 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3362 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3369 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3371 u32 val, prev_state;
3372 u8 dev_init_timeo = adapter->dev_init_timeo;
3373 u8 portnum = adapter->portnum;
3376 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3379 if (qlcnic_api_lock(adapter))
3382 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3383 if (!(val & (1 << (portnum * 4)))) {
3384 QLC_DEV_SET_REF_CNT(val, portnum);
3385 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3388 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3389 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3391 switch (prev_state) {
3392 case QLCNIC_DEV_COLD:
3393 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3394 QLCNIC_DEV_INITIALIZING);
3395 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3396 QLCNIC_DRV_IDC_VER);
3397 qlcnic_idc_debug_info(adapter, 0);
3398 qlcnic_api_unlock(adapter);
3401 case QLCNIC_DEV_READY:
3402 ret = qlcnic_check_idc_ver(adapter);
3403 qlcnic_api_unlock(adapter);
3406 case QLCNIC_DEV_NEED_RESET:
3407 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3408 QLC_DEV_SET_RST_RDY(val, portnum);
3409 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3412 case QLCNIC_DEV_NEED_QUISCENT:
3413 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3414 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3415 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3418 case QLCNIC_DEV_FAILED:
3419 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3420 qlcnic_api_unlock(adapter);
3423 case QLCNIC_DEV_INITIALIZING:
3424 case QLCNIC_DEV_QUISCENT:
3428 qlcnic_api_unlock(adapter);
3432 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3434 if (prev_state == QLCNIC_DEV_QUISCENT)
3436 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3438 if (!dev_init_timeo) {
3439 dev_err(&adapter->pdev->dev,
3440 "Waiting for device to initialize timeout\n");
3444 if (qlcnic_api_lock(adapter))
3447 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3448 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3449 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3451 ret = qlcnic_check_idc_ver(adapter);
3452 qlcnic_api_unlock(adapter);
3458 qlcnic_fwinit_work(struct work_struct *work)
3460 struct qlcnic_adapter *adapter = container_of(work,
3461 struct qlcnic_adapter, fw_work.work);
3462 u32 dev_state = 0xf;
3465 if (qlcnic_api_lock(adapter))
3468 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3469 if (dev_state == QLCNIC_DEV_QUISCENT ||
3470 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3471 qlcnic_api_unlock(adapter);
3472 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3477 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3478 qlcnic_api_unlock(adapter);
3482 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3483 dev_state == QLCNIC_DEV_READY) {
3484 dev_info(&adapter->pdev->dev, "Detected state change from "
3485 "DEV_NEED_RESET, skipping ack check\n");
3486 goto skip_ack_check;
3489 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3490 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3491 adapter->reset_ack_timeo);
3492 goto skip_ack_check;
3495 if (!qlcnic_check_drv_state(adapter)) {
3497 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3499 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3500 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3501 QLCNIC_DEV_INITIALIZING);
3502 set_bit(__QLCNIC_START_FW, &adapter->state);
3503 QLCDB(adapter, DRV, "Restarting fw\n");
3504 qlcnic_idc_debug_info(adapter, 0);
3505 val = QLC_SHARED_REG_RD32(adapter,
3506 QLCNIC_CRB_DRV_STATE);
3507 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3508 QLC_SHARED_REG_WR32(adapter,
3509 QLCNIC_CRB_DRV_STATE, val);
3512 qlcnic_api_unlock(adapter);
3515 if (qlcnic_check_fw_dump_state(adapter) &&
3516 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3517 QLCDB(adapter, DRV, "Take FW dump\n");
3518 qlcnic_dump_fw(adapter);
3519 adapter->flags |= QLCNIC_FW_HANG;
3523 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3524 if (!adapter->nic_ops->start_firmware(adapter)) {
3525 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3526 adapter->fw_wait_cnt = 0;
3532 qlcnic_api_unlock(adapter);
3535 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3536 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3538 switch (dev_state) {
3539 case QLCNIC_DEV_READY:
3540 if (!qlcnic_start_firmware(adapter)) {
3541 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3542 adapter->fw_wait_cnt = 0;
3545 case QLCNIC_DEV_FAILED:
3548 qlcnic_schedule_work(adapter,
3549 qlcnic_fwinit_work, FW_POLL_DELAY);
3554 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3555 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3556 netif_device_attach(adapter->netdev);
3557 qlcnic_clr_all_drv_state(adapter, 0);
3561 qlcnic_detach_work(struct work_struct *work)
3563 struct qlcnic_adapter *adapter = container_of(work,
3564 struct qlcnic_adapter, fw_work.work);
3565 struct net_device *netdev = adapter->netdev;
3568 netif_device_detach(netdev);
3570 /* Dont grab rtnl lock during Quiscent mode */
3571 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3572 if (netif_running(netdev))
3573 __qlcnic_down(adapter, netdev);
3575 qlcnic_down(adapter, netdev);
3577 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3579 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3580 dev_err(&adapter->pdev->dev,
3581 "Detaching the device: peg halt status1=0x%x\n",
3584 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3585 dev_err(&adapter->pdev->dev,
3586 "On board active cooling fan failed. "
3587 "Device has been halted.\n");
3588 dev_err(&adapter->pdev->dev,
3589 "Replace the adapter.\n");
3595 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3596 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3597 adapter->ahw->temp);
3601 /* Dont ack if this instance is the reset owner */
3602 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3603 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3604 dev_err(&adapter->pdev->dev,
3605 "Failed to set driver state,"
3606 "detaching the device.\n");
3611 adapter->fw_wait_cnt = 0;
3613 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3618 netif_device_attach(netdev);
3619 qlcnic_clr_all_drv_state(adapter, 1);
3622 /*Transit NPAR state to NON Operational */
3624 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3628 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3629 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3632 if (qlcnic_api_lock(adapter))
3634 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3635 QLCNIC_DEV_NPAR_NON_OPER);
3636 qlcnic_api_unlock(adapter);
3639 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3642 u32 state, xg_val = 0, gb_val = 0;
3644 qlcnic_xg_set_xg0_mask(xg_val);
3645 qlcnic_xg_set_xg1_mask(xg_val);
3646 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3647 qlcnic_gb_set_gb0_mask(gb_val);
3648 qlcnic_gb_set_gb1_mask(gb_val);
3649 qlcnic_gb_set_gb2_mask(gb_val);
3650 qlcnic_gb_set_gb3_mask(gb_val);
3651 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3652 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3654 adapter->need_fw_reset = 1;
3656 if (qlcnic_api_lock(adapter))
3659 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3661 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3662 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3664 qlcnic_api_unlock(adapter);
3669 if (state == QLCNIC_DEV_READY) {
3670 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3671 QLCNIC_DEV_NEED_RESET);
3672 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3673 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3674 qlcnic_idc_debug_info(adapter, 0);
3677 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3678 QLCNIC_DEV_NPAR_NON_OPER);
3679 qlcnic_api_unlock(adapter);
3682 /* Transit to NPAR READY state from NPAR NOT READY state */
3684 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3686 if (qlcnic_api_lock(adapter))
3689 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3690 QLCNIC_DEV_NPAR_OPER);
3691 QLCDB(adapter, DRV, "NPAR operational state set\n");
3693 qlcnic_api_unlock(adapter);
3696 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3697 work_func_t func, int delay)
3699 if (test_bit(__QLCNIC_AER, &adapter->state))
3702 INIT_DELAYED_WORK(&adapter->fw_work, func);
3703 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3704 round_jiffies_relative(delay));
3708 qlcnic_attach_work(struct work_struct *work)
3710 struct qlcnic_adapter *adapter = container_of(work,
3711 struct qlcnic_adapter, fw_work.work);
3712 struct net_device *netdev = adapter->netdev;
3715 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3716 npar_state = QLC_SHARED_REG_RD32(adapter,
3717 QLCNIC_CRB_DEV_NPAR_STATE);
3718 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3719 qlcnic_clr_all_drv_state(adapter, 0);
3720 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3721 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3725 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3729 qlcnic_dcb_get_info(adapter->dcb);
3731 if (netif_running(netdev)) {
3732 if (qlcnic_up(adapter, netdev))
3735 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3739 netif_device_attach(netdev);
3740 adapter->fw_fail_cnt = 0;
3741 adapter->flags &= ~QLCNIC_FW_HANG;
3742 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3743 if (adapter->portnum == 0)
3744 qlcnic_set_drv_version(adapter);
3746 if (!qlcnic_clr_drv_state(adapter))
3747 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3752 qlcnic_check_health(struct qlcnic_adapter *adapter)
3754 struct qlcnic_hardware_context *ahw = adapter->ahw;
3755 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3756 u32 state = 0, heartbeat;
3760 if (qlcnic_check_temp(adapter))
3763 if (adapter->need_fw_reset)
3764 qlcnic_dev_request_reset(adapter, 0);
3766 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3767 if (state == QLCNIC_DEV_NEED_RESET) {
3768 qlcnic_set_npar_non_operational(adapter);
3769 adapter->need_fw_reset = 1;
3770 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3773 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3774 if (heartbeat != adapter->heartbeat) {
3775 adapter->heartbeat = heartbeat;
3776 adapter->fw_fail_cnt = 0;
3777 if (adapter->need_fw_reset)
3780 if (ahw->reset_context && qlcnic_auto_fw_reset)
3781 qlcnic_reset_hw_context(adapter);
3786 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3789 adapter->flags |= QLCNIC_FW_HANG;
3791 qlcnic_dev_request_reset(adapter, 0);
3793 if (qlcnic_auto_fw_reset)
3794 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3796 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3797 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3798 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3799 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3800 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3801 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3802 "PEG_NET_4_PC: 0x%x\n",
3804 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3805 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3806 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3807 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3808 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3809 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3810 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3811 dev_err(&adapter->pdev->dev,
3812 "Firmware aborted with error code 0x00006700. "
3813 "Device is being reset.\n");
3815 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3816 QLCNIC_DEV_NEED_RESET;
3818 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3821 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3822 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3823 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3824 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3825 qlcnic_dump_fw(adapter);
3831 void qlcnic_fw_poll_work(struct work_struct *work)
3833 struct qlcnic_adapter *adapter = container_of(work,
3834 struct qlcnic_adapter, fw_work.work);
3836 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3840 if (qlcnic_check_health(adapter))
3843 if (adapter->fhash.fnum)
3844 qlcnic_prune_lb_filters(adapter);
3847 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3850 static int qlcnic_is_first_func(struct pci_dev *pdev)
3852 struct pci_dev *oth_pdev;
3853 int val = pdev->devfn;
3856 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3857 (pdev->bus), pdev->bus->number,
3858 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3862 if (oth_pdev->current_state != PCI_D3cold) {
3863 pci_dev_put(oth_pdev);
3866 pci_dev_put(oth_pdev);
3871 static int qlcnic_attach_func(struct pci_dev *pdev)
3873 int err, first_func;
3874 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3875 struct net_device *netdev = adapter->netdev;
3877 pdev->error_state = pci_channel_io_normal;
3879 err = pci_enable_device(pdev);
3883 pci_set_master(pdev);
3884 pci_restore_state(pdev);
3886 first_func = qlcnic_is_first_func(pdev);
3888 if (qlcnic_api_lock(adapter))
3891 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3892 adapter->need_fw_reset = 1;
3893 set_bit(__QLCNIC_START_FW, &adapter->state);
3894 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3895 QLCNIC_DEV_INITIALIZING);
3896 QLCDB(adapter, DRV, "Restarting fw\n");
3898 qlcnic_api_unlock(adapter);
3900 err = qlcnic_start_firmware(adapter);
3904 qlcnic_clr_drv_state(adapter);
3905 kfree(adapter->msix_entries);
3906 adapter->msix_entries = NULL;
3907 err = qlcnic_setup_intr(adapter);
3910 kfree(adapter->msix_entries);
3911 netdev_err(netdev, "failed to setup interrupt\n");
3915 if (netif_running(netdev)) {
3916 err = qlcnic_attach(adapter);
3918 qlcnic_clr_all_drv_state(adapter, 1);
3919 clear_bit(__QLCNIC_AER, &adapter->state);
3920 netif_device_attach(netdev);
3924 err = qlcnic_up(adapter, netdev);
3928 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3931 netif_device_attach(netdev);
3935 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3936 pci_channel_state_t state)
3938 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3939 struct net_device *netdev = adapter->netdev;
3941 if (state == pci_channel_io_perm_failure)
3942 return PCI_ERS_RESULT_DISCONNECT;
3944 if (state == pci_channel_io_normal)
3945 return PCI_ERS_RESULT_RECOVERED;
3947 set_bit(__QLCNIC_AER, &adapter->state);
3948 netif_device_detach(netdev);
3950 cancel_delayed_work_sync(&adapter->fw_work);
3952 if (netif_running(netdev))
3953 qlcnic_down(adapter, netdev);
3955 qlcnic_detach(adapter);
3956 qlcnic_teardown_intr(adapter);
3958 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3960 pci_save_state(pdev);
3961 pci_disable_device(pdev);
3963 return PCI_ERS_RESULT_NEED_RESET;
3966 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3968 pci_ers_result_t res;
3971 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3972 PCI_ERS_RESULT_RECOVERED;
3978 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3981 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3983 pci_cleanup_aer_uncorrect_error_status(pdev);
3984 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3985 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3987 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3991 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3992 pci_channel_state_t state)
3994 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3995 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3997 if (hw_ops->io_error_detected) {
3998 return hw_ops->io_error_detected(pdev, state);
4000 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
4001 return PCI_ERS_RESULT_DISCONNECT;
4005 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
4007 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4008 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
4010 if (hw_ops->io_slot_reset) {
4011 return hw_ops->io_slot_reset(pdev);
4013 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
4014 return PCI_ERS_RESULT_DISCONNECT;
4018 static void qlcnic_io_resume(struct pci_dev *pdev)
4020 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4021 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
4023 if (hw_ops->io_resume)
4024 hw_ops->io_resume(pdev);
4026 dev_err(&pdev->dev, "AER resume handler not registered.\n");
4031 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
4035 err = qlcnic_can_start_firmware(adapter);
4039 err = qlcnic_check_npar_opertional(adapter);
4043 err = qlcnic_initialize_nic(adapter);
4047 qlcnic_check_options(adapter);
4049 err = qlcnic_set_eswitch_port_config(adapter);
4053 adapter->need_fw_reset = 0;
4058 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
4061 struct net_device *netdev = adapter->netdev;
4062 u8 max_hw_rings = 0;
4066 if (queue_type == QLCNIC_RX_QUEUE) {
4067 max_hw_rings = adapter->max_sds_rings;
4068 cur_rings = adapter->drv_sds_rings;
4070 } else if (queue_type == QLCNIC_TX_QUEUE) {
4071 max_hw_rings = adapter->max_tx_rings;
4072 cur_rings = adapter->drv_tx_rings;
4076 if (!is_power_of_2(ring_cnt)) {
4077 netdev_err(netdev, "%s rings value should be a power of 2\n",
4082 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
4083 !qlcnic_check_multi_tx(adapter)) {
4084 netdev_err(netdev, "No Multi Tx queue support\n");
4088 if (ring_cnt > num_online_cpus()) {
4090 "%s value[%u] should not be higher than, number of online CPUs\n",
4091 buf, num_online_cpus());
4098 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4100 struct net_device *netdev = adapter->netdev;
4101 u8 tx_rings, rx_rings;
4104 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4107 tx_rings = adapter->drv_tss_rings;
4108 rx_rings = adapter->drv_rss_rings;
4110 netif_device_detach(netdev);
4112 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4116 if (netif_running(netdev))
4117 __qlcnic_down(adapter, netdev);
4119 qlcnic_detach(adapter);
4121 if (qlcnic_83xx_check(adapter)) {
4122 qlcnic_83xx_free_mbx_intr(adapter);
4123 qlcnic_83xx_enable_mbx_poll(adapter);
4126 qlcnic_teardown_intr(adapter);
4128 err = qlcnic_setup_intr(adapter);
4130 kfree(adapter->msix_entries);
4131 netdev_err(netdev, "failed to setup interrupt\n");
4135 /* Check if we need to update real_num_{tx|rx}_queues because
4136 * qlcnic_setup_intr() may change Tx/Rx rings size
4138 if ((tx_rings != adapter->drv_tx_rings) ||
4139 (rx_rings != adapter->drv_sds_rings)) {
4140 err = qlcnic_set_real_num_queues(adapter,
4141 adapter->drv_tx_rings,
4142 adapter->drv_sds_rings);
4147 if (qlcnic_83xx_check(adapter)) {
4148 qlcnic_83xx_initialize_nic(adapter, 1);
4149 err = qlcnic_83xx_setup_mbx_intr(adapter);
4150 qlcnic_83xx_disable_mbx_poll(adapter);
4152 dev_err(&adapter->pdev->dev,
4153 "failed to setup mbx interrupt\n");
4158 if (netif_running(netdev)) {
4159 err = qlcnic_attach(adapter);
4162 err = __qlcnic_up(adapter, netdev);
4165 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4168 netif_device_attach(netdev);
4169 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4175 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4178 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4179 struct net_device *dev, unsigned long event)
4181 struct in_device *indev;
4183 indev = in_dev_get(dev);
4190 qlcnic_config_ipaddr(adapter,
4191 ifa->ifa_address, QLCNIC_IP_UP);
4194 qlcnic_config_ipaddr(adapter,
4195 ifa->ifa_address, QLCNIC_IP_DOWN);
4200 } endfor_ifa(indev);
4205 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4207 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4208 struct net_device *dev;
4211 qlcnic_config_indev_addr(adapter, netdev, event);
4214 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4215 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4218 qlcnic_config_indev_addr(adapter, dev, event);
4223 static int qlcnic_netdev_event(struct notifier_block *this,
4224 unsigned long event, void *ptr)
4226 struct qlcnic_adapter *adapter;
4227 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4233 if (is_vlan_dev(dev)) {
4234 dev = vlan_dev_real_dev(dev);
4238 if (!is_qlcnic_netdev(dev))
4241 adapter = netdev_priv(dev);
4246 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4249 qlcnic_config_indev_addr(adapter, dev, event);
4255 qlcnic_inetaddr_event(struct notifier_block *this,
4256 unsigned long event, void *ptr)
4258 struct qlcnic_adapter *adapter;
4259 struct net_device *dev;
4261 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4263 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4269 if (is_vlan_dev(dev)) {
4270 dev = vlan_dev_real_dev(dev);
4274 if (!is_qlcnic_netdev(dev))
4277 adapter = netdev_priv(dev);
4282 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4287 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4291 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4302 static struct notifier_block qlcnic_netdev_cb = {
4303 .notifier_call = qlcnic_netdev_event,
4306 static struct notifier_block qlcnic_inetaddr_cb = {
4307 .notifier_call = qlcnic_inetaddr_event,
4310 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4313 static const struct pci_error_handlers qlcnic_err_handler = {
4314 .error_detected = qlcnic_io_error_detected,
4315 .slot_reset = qlcnic_io_slot_reset,
4316 .resume = qlcnic_io_resume,
4319 static struct pci_driver qlcnic_driver = {
4320 .name = qlcnic_driver_name,
4321 .id_table = qlcnic_pci_tbl,
4322 .probe = qlcnic_probe,
4323 .remove = qlcnic_remove,
4325 .suspend = qlcnic_suspend,
4326 .resume = qlcnic_resume,
4328 .shutdown = qlcnic_shutdown,
4329 .err_handler = &qlcnic_err_handler,
4330 #ifdef CONFIG_QLCNIC_SRIOV
4331 .sriov_configure = qlcnic_pci_sriov_configure,
4336 static int __init qlcnic_init_module(void)
4340 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4343 register_netdevice_notifier(&qlcnic_netdev_cb);
4344 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4347 ret = pci_register_driver(&qlcnic_driver);
4350 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4351 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4358 module_init(qlcnic_init_module);
4360 static void __exit qlcnic_exit_module(void)
4362 pci_unregister_driver(&qlcnic_driver);
4365 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4366 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4370 module_exit(qlcnic_exit_module);