2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/vmalloc.h>
9 #include <linux/interrupt.h>
12 #include "qlcnic_sriov.h"
13 #include "qlcnic_hw.h"
15 #include <linux/swab.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/if_vlan.h>
19 #include <linux/ipv6.h>
20 #include <linux/inetdevice.h>
21 #include <linux/aer.h>
22 #include <linux/log2.h>
23 #include <linux/pci.h>
25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
26 MODULE_LICENSE("GPL");
27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
30 char qlcnic_driver_name[] = "qlcnic";
31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
34 static int qlcnic_mac_learn;
35 module_param(qlcnic_mac_learn, int, 0444);
36 MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
39 int qlcnic_use_msi = 1;
40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
41 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
43 int qlcnic_use_msi_x = 1;
44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
47 int qlcnic_auto_fw_reset = 1;
48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
51 int qlcnic_load_fw_file;
52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
56 static void qlcnic_remove(struct pci_dev *pdev);
57 static int qlcnic_open(struct net_device *netdev);
58 static int qlcnic_close(struct net_device *netdev);
59 static void qlcnic_tx_timeout(struct net_device *netdev);
60 static void qlcnic_attach_work(struct work_struct *work);
61 static void qlcnic_fwinit_work(struct work_struct *work);
62 #ifdef CONFIG_NET_POLL_CONTROLLER
63 static void qlcnic_poll_controller(struct net_device *netdev);
66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
70 static irqreturn_t qlcnic_intr(int irq, void *data);
71 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
76 static int qlcnic_start_firmware(struct qlcnic_adapter *);
78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
86 struct qlcnic_hardware_context *ahw = adapter->ahw;
88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
94 /* PCI Device ID Table */
95 #define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
103 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
104 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
108 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
111 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
113 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
116 static const u32 msi_tgt_status[8] = {
117 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
118 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
119 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
120 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
123 static const u32 qlcnic_reg_tbl[] = {
124 0x1B20A8, /* PEG_HALT_STAT1 */
125 0x1B20AC, /* PEG_HALT_STAT2 */
126 0x1B20B0, /* FW_HEARTBEAT */
127 0x1B2100, /* LOCK ID */
128 0x1B2128, /* FW_CAPABILITIES */
129 0x1B2138, /* drv active */
130 0x1B2140, /* dev state */
131 0x1B2144, /* drv state */
132 0x1B2148, /* drv scratch */
133 0x1B214C, /* dev partition info */
134 0x1B2174, /* drv idc ver */
135 0x1B2150, /* fw version major */
136 0x1B2154, /* fw version minor */
137 0x1B2158, /* fw version sub */
138 0x1B219C, /* npar state */
139 0x1B21FC, /* FW_IMG_VALID */
140 0x1B2250, /* CMD_PEG_STATE */
141 0x1B233C, /* RCV_PEG_STATE */
142 0x1B23B4, /* ASIC TEMP */
143 0x1B216C, /* FW api */
144 0x1B2170, /* drv op mode */
145 0x13C010, /* flash lock */
146 0x13C014, /* flash unlock */
149 static const struct qlcnic_board_info qlcnic_boards[] = {
150 { PCI_VENDOR_ID_QLOGIC,
151 PCI_DEVICE_ID_QLOGIC_QLE844X,
154 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
155 { PCI_VENDOR_ID_QLOGIC,
156 PCI_DEVICE_ID_QLOGIC_QLE834X,
157 PCI_VENDOR_ID_QLOGIC,
159 "8300 Series Dual Port 10GbE Converged Network Adapter "
160 "(TCP/IP Networking)" },
161 { PCI_VENDOR_ID_QLOGIC,
162 PCI_DEVICE_ID_QLOGIC_QLE834X,
163 PCI_VENDOR_ID_QLOGIC,
165 "8300 Series Single Port 10GbE Converged Network Adapter "
166 "(TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
177 "8300 Series Dual Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
201 "8300 Series Single Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
213 "8300 Series Dual Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 0x0, 0x0, "8300 Series 1/10GbE Controller" },
218 { PCI_VENDOR_ID_QLOGIC,
219 PCI_DEVICE_ID_QLOGIC_QLE824X,
220 PCI_VENDOR_ID_QLOGIC,
222 "8200 Series Single Port 10GbE Converged Network Adapter"
223 "(TCP/IP Networking)" },
224 { PCI_VENDOR_ID_QLOGIC,
225 PCI_DEVICE_ID_QLOGIC_QLE824X,
226 PCI_VENDOR_ID_QLOGIC,
228 "8200 Series Dual Port 10GbE Converged Network Adapter"
229 "(TCP/IP Networking)" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
234 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
235 { PCI_VENDOR_ID_QLOGIC,
236 PCI_DEVICE_ID_QLOGIC_QLE824X,
237 PCI_VENDOR_ID_QLOGIC,
239 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 PCI_VENDOR_ID_QLOGIC,
244 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
245 { PCI_VENDOR_ID_QLOGIC,
246 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 "NC523SFP 10Gb 2-port Server Adapter" },
249 { PCI_VENDOR_ID_QLOGIC,
250 PCI_DEVICE_ID_QLOGIC_QLE824X,
252 "CN1000Q Dual Port Converged Network Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
257 "QME8242-k 10GbE Dual Port Mezzanine Card" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
263 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
266 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
268 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
270 int size = sizeof(struct qlcnic_host_sds_ring) * count;
272 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
274 return recv_ctx->sds_rings == NULL;
277 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
279 if (recv_ctx->sds_rings != NULL)
280 kfree(recv_ctx->sds_rings);
282 recv_ctx->sds_rings = NULL;
285 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
287 struct net_device *netdev = adapter->netdev;
288 struct pci_dev *pdev = adapter->pdev;
289 u8 mac_addr[ETH_ALEN];
292 ret = qlcnic_get_mac_address(adapter, mac_addr,
293 adapter->ahw->pci_func);
297 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
298 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
300 /* set station address */
302 if (!is_valid_ether_addr(netdev->dev_addr))
303 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
309 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
311 struct qlcnic_mac_list_s *cur;
312 struct list_head *head;
314 list_for_each(head, &adapter->mac_list) {
315 cur = list_entry(head, struct qlcnic_mac_list_s, list);
316 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
317 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
319 list_del(&cur->list);
326 static int qlcnic_set_mac(struct net_device *netdev, void *p)
328 struct qlcnic_adapter *adapter = netdev_priv(netdev);
329 struct sockaddr *addr = p;
331 if (qlcnic_sriov_vf_check(adapter))
334 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
337 if (!is_valid_ether_addr(addr->sa_data))
340 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
343 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
344 netif_device_detach(netdev);
345 qlcnic_napi_disable(adapter);
348 qlcnic_delete_adapter_mac(adapter);
349 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
350 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
351 qlcnic_set_multi(adapter->netdev);
353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
354 netif_device_attach(netdev);
355 qlcnic_napi_enable(adapter);
360 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
361 struct net_device *netdev, const unsigned char *addr)
363 struct qlcnic_adapter *adapter = netdev_priv(netdev);
364 int err = -EOPNOTSUPP;
366 if (!adapter->fdb_mac_learn)
367 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
369 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
370 if (is_unicast_ether_addr(addr)) {
371 err = dev_uc_del(netdev, addr);
373 err = qlcnic_nic_del_mac(adapter, addr);
374 } else if (is_multicast_ether_addr(addr)) {
375 err = dev_mc_del(netdev, addr);
383 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
384 struct net_device *netdev,
385 const unsigned char *addr, u16 flags)
387 struct qlcnic_adapter *adapter = netdev_priv(netdev);
390 if (!adapter->fdb_mac_learn)
391 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
393 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
394 pr_info("%s: FDB e-switch is not enabled\n", __func__);
398 if (ether_addr_equal(addr, adapter->mac_addr))
401 if (is_unicast_ether_addr(addr)) {
402 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
403 err = dev_uc_add_excl(netdev, addr);
406 } else if (is_multicast_ether_addr(addr)) {
407 err = dev_mc_add_excl(netdev, addr);
415 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
416 struct net_device *netdev, int idx)
418 struct qlcnic_adapter *adapter = netdev_priv(netdev);
420 if (!adapter->fdb_mac_learn)
421 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
423 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
424 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
429 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
431 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
432 usleep_range(10000, 11000);
434 cancel_delayed_work_sync(&adapter->fw_work);
437 static int qlcnic_get_phys_port_id(struct net_device *netdev,
438 struct netdev_phys_port_id *ppid)
440 struct qlcnic_adapter *adapter = netdev_priv(netdev);
441 struct qlcnic_hardware_context *ahw = adapter->ahw;
443 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
446 ppid->id_len = sizeof(ahw->phys_port_id);
447 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
452 static const struct net_device_ops qlcnic_netdev_ops = {
453 .ndo_open = qlcnic_open,
454 .ndo_stop = qlcnic_close,
455 .ndo_start_xmit = qlcnic_xmit_frame,
456 .ndo_get_stats = qlcnic_get_stats,
457 .ndo_validate_addr = eth_validate_addr,
458 .ndo_set_rx_mode = qlcnic_set_multi,
459 .ndo_set_mac_address = qlcnic_set_mac,
460 .ndo_change_mtu = qlcnic_change_mtu,
461 .ndo_fix_features = qlcnic_fix_features,
462 .ndo_set_features = qlcnic_set_features,
463 .ndo_tx_timeout = qlcnic_tx_timeout,
464 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
465 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
466 .ndo_fdb_add = qlcnic_fdb_add,
467 .ndo_fdb_del = qlcnic_fdb_del,
468 .ndo_fdb_dump = qlcnic_fdb_dump,
469 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
470 #ifdef CONFIG_NET_POLL_CONTROLLER
471 .ndo_poll_controller = qlcnic_poll_controller,
473 #ifdef CONFIG_QLCNIC_SRIOV
474 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
475 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
476 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
477 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
478 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
482 static const struct net_device_ops qlcnic_netdev_failed_ops = {
483 .ndo_open = qlcnic_open,
486 static struct qlcnic_nic_template qlcnic_ops = {
487 .config_bridged_mode = qlcnic_config_bridged_mode,
488 .config_led = qlcnic_82xx_config_led,
489 .start_firmware = qlcnic_82xx_start_firmware,
490 .request_reset = qlcnic_82xx_dev_request_reset,
491 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
492 .napi_add = qlcnic_82xx_napi_add,
493 .napi_del = qlcnic_82xx_napi_del,
494 .config_ipaddr = qlcnic_82xx_config_ipaddr,
495 .shutdown = qlcnic_82xx_shutdown,
496 .resume = qlcnic_82xx_resume,
497 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
500 struct qlcnic_nic_template qlcnic_vf_ops = {
501 .config_bridged_mode = qlcnicvf_config_bridged_mode,
502 .config_led = qlcnicvf_config_led,
503 .start_firmware = qlcnicvf_start_firmware
506 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
507 .read_crb = qlcnic_82xx_read_crb,
508 .write_crb = qlcnic_82xx_write_crb,
509 .read_reg = qlcnic_82xx_hw_read_wx_2M,
510 .write_reg = qlcnic_82xx_hw_write_wx_2M,
511 .get_mac_address = qlcnic_82xx_get_mac_address,
512 .setup_intr = qlcnic_82xx_setup_intr,
513 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
514 .mbx_cmd = qlcnic_82xx_issue_cmd,
515 .get_func_no = qlcnic_82xx_get_func_no,
516 .api_lock = qlcnic_82xx_api_lock,
517 .api_unlock = qlcnic_82xx_api_unlock,
518 .add_sysfs = qlcnic_82xx_add_sysfs,
519 .remove_sysfs = qlcnic_82xx_remove_sysfs,
520 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
521 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
522 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
523 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
524 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
525 .setup_link_event = qlcnic_82xx_linkevent_request,
526 .get_nic_info = qlcnic_82xx_get_nic_info,
527 .get_pci_info = qlcnic_82xx_get_pci_info,
528 .set_nic_info = qlcnic_82xx_set_nic_info,
529 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
530 .napi_enable = qlcnic_82xx_napi_enable,
531 .napi_disable = qlcnic_82xx_napi_disable,
532 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
533 .config_rss = qlcnic_82xx_config_rss,
534 .config_hw_lro = qlcnic_82xx_config_hw_lro,
535 .config_loopback = qlcnic_82xx_set_lb_mode,
536 .clear_loopback = qlcnic_82xx_clear_lb_mode,
537 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
538 .change_l2_filter = qlcnic_82xx_change_filter,
539 .get_board_info = qlcnic_82xx_get_board_info,
540 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
541 .free_mac_list = qlcnic_82xx_free_mac_list,
542 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
543 .io_error_detected = qlcnic_82xx_io_error_detected,
544 .io_slot_reset = qlcnic_82xx_io_slot_reset,
545 .io_resume = qlcnic_82xx_io_resume,
548 static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter)
550 struct qlcnic_hardware_context *ahw = adapter->ahw;
553 if (ahw->msix_supported &&
554 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
555 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS,
558 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE,
560 adapter->max_drv_tx_rings = num_tx_q;
563 adapter->max_drv_tx_rings = 1;
567 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
569 struct pci_dev *pdev = adapter->pdev;
570 int max_tx_rings, max_sds_rings, tx_vector;
573 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
577 max_tx_rings = adapter->max_drv_tx_rings;
581 if (!adapter->msix_entries) {
582 adapter->msix_entries = kcalloc(num_msix,
583 sizeof(struct msix_entry),
585 if (!adapter->msix_entries)
589 adapter->max_sds_rings = 1;
590 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
592 if (adapter->ahw->msix_supported) {
594 for (i = 0; i < num_msix; i++)
595 adapter->msix_entries[i].entry = i;
596 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
598 adapter->flags |= QLCNIC_MSIX_ENABLED;
599 if (qlcnic_83xx_check(adapter)) {
600 adapter->ahw->num_msix = num_msix;
601 /* subtract mail box and tx ring vectors */
602 adapter->max_sds_rings = num_msix -
605 adapter->ahw->num_msix = num_msix;
606 if (qlcnic_check_multi_tx(adapter) &&
607 !adapter->ahw->diag_test &&
608 (adapter->max_drv_tx_rings > 1))
609 max_sds_rings = num_msix - max_tx_rings;
611 max_sds_rings = num_msix;
613 adapter->max_sds_rings = max_sds_rings;
615 dev_info(&pdev->dev, "using msi-x interrupts\n");
617 } else if (err > 0) {
619 "Unable to allocate %d MSI-X interrupt vectors\n",
621 if (qlcnic_83xx_check(adapter)) {
622 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
624 err -= (max_tx_rings + 1);
625 num_msix = rounddown_pow_of_two(err);
626 num_msix += (max_tx_rings + 1);
628 num_msix = rounddown_pow_of_two(err);
629 if (qlcnic_check_multi_tx(adapter))
630 num_msix += max_tx_rings;
635 "Trying to allocate %d MSI-X interrupt vectors\n",
641 "Unable to allocate %d MSI-X interrupt vectors\n",
649 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
652 u32 offset, mask_reg;
653 const struct qlcnic_legacy_intr_set *legacy_intrp;
654 struct qlcnic_hardware_context *ahw = adapter->ahw;
655 struct pci_dev *pdev = adapter->pdev;
657 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
658 adapter->flags |= QLCNIC_MSI_ENABLED;
659 offset = msi_tgt_status[adapter->ahw->pci_func];
660 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
662 dev_info(&pdev->dev, "using msi interrupts\n");
663 adapter->msix_entries[0].vector = pdev->irq;
667 if (qlcnic_use_msi || qlcnic_use_msi_x)
670 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
671 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
672 offset = legacy_intrp->tgt_status_reg;
673 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
674 mask_reg = legacy_intrp->tgt_mask_reg;
675 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
676 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
677 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
678 dev_info(&pdev->dev, "using legacy interrupts\n");
679 adapter->msix_entries[0].vector = pdev->irq;
683 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr, int txq)
685 struct qlcnic_hardware_context *ahw = adapter->ahw;
686 int num_msix, err = 0;
689 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
691 if (ahw->msix_supported) {
692 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
694 if (qlcnic_check_multi_tx(adapter)) {
696 adapter->max_drv_tx_rings = txq;
697 num_msix += adapter->max_drv_tx_rings;
703 err = qlcnic_enable_msix(adapter, num_msix);
707 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
708 qlcnic_disable_multi_tx(adapter);
710 err = qlcnic_enable_msi_legacy(adapter);
718 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
720 struct qlcnic_hardware_context *ahw = adapter->ahw;
723 if (qlcnic_check_multi_tx(adapter) &&
725 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
726 ahw->intr_tbl = vzalloc(ahw->num_msix *
727 sizeof(struct qlcnic_intrpt_config));
731 for (i = 0; i < ahw->num_msix; i++) {
732 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
733 ahw->intr_tbl[i].id = i;
734 ahw->intr_tbl[i].src = 0;
737 err = qlcnic_82xx_config_intrpt(adapter, 1);
739 dev_err(&adapter->pdev->dev,
740 "Failed to configure Interrupt for %d vector\n",
748 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
750 if (adapter->flags & QLCNIC_MSIX_ENABLED)
751 pci_disable_msix(adapter->pdev);
752 if (adapter->flags & QLCNIC_MSI_ENABLED)
753 pci_disable_msi(adapter->pdev);
755 kfree(adapter->msix_entries);
756 adapter->msix_entries = NULL;
758 if (adapter->ahw->intr_tbl) {
759 vfree(adapter->ahw->intr_tbl);
760 adapter->ahw->intr_tbl = NULL;
764 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
766 if (ahw->pci_base0 != NULL)
767 iounmap(ahw->pci_base0);
770 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
772 struct qlcnic_pci_info *pci_info;
775 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
776 switch (adapter->ahw->port_type) {
778 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
781 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
787 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
790 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
794 ret = qlcnic_get_pci_info(adapter, pci_info);
799 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
803 if (qlcnic_84xx_check(adapter)) {
805 } else if (qlcnic_83xx_check(adapter)) {
806 if (adapter->ahw->extra_capability[0] &
807 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
816 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
818 struct qlcnic_pci_info *pci_info;
819 int i, ret = 0, j = 0;
823 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
827 ret = qlcnic_get_pci_info(adapter, pci_info);
831 act_pci_func = adapter->ahw->act_pci_func;
833 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
834 act_pci_func, GFP_KERNEL);
835 if (!adapter->npars) {
840 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
841 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
842 if (!adapter->eswitch) {
847 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
848 pfn = pci_info[i].id;
850 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
851 ret = QL_STATUS_INVALID_PARAM;
855 if (!pci_info[i].active ||
856 (pci_info[i].type != QLCNIC_TYPE_NIC))
859 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
860 if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn))
861 adapter->npars[j].eswitch_status = true;
865 adapter->npars[j].eswitch_status = true;
868 adapter->npars[j].pci_func = pfn;
869 adapter->npars[j].active = (u8)pci_info[i].active;
870 adapter->npars[j].type = (u8)pci_info[i].type;
871 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
872 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
873 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
878 if (qlcnic_82xx_check(adapter)) {
879 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
880 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
881 } else if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
882 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
883 qlcnic_enable_eswitch(adapter, i, 1);
890 kfree(adapter->eswitch);
891 adapter->eswitch = NULL;
893 kfree(adapter->npars);
894 adapter->npars = NULL;
902 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
906 u32 data = QLCNIC_MGMT_FUNC;
907 struct qlcnic_hardware_context *ahw = adapter->ahw;
909 ret = qlcnic_api_lock(adapter);
914 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
915 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
916 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
917 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
918 qlcnic_api_unlock(adapter);
923 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
924 const struct pci_device_id *ent)
926 u32 op_mode, priv_level;
928 /* Determine FW API version */
929 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
932 /* Find PCI function number */
933 qlcnic_get_func_no(adapter);
935 /* Determine function privilege level */
936 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
937 if (op_mode == QLC_DEV_DRV_DEFAULT)
938 priv_level = QLCNIC_MGMT_FUNC;
940 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
942 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
943 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
944 dev_info(&adapter->pdev->dev,
945 "HAL Version: %d Non Privileged function\n",
946 adapter->ahw->fw_hal_version);
947 adapter->nic_ops = &qlcnic_vf_ops;
949 adapter->nic_ops = &qlcnic_ops;
952 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
953 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
954 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
957 case PCI_DEVICE_ID_QLOGIC_QLE824X:
958 *bar = QLCNIC_82XX_BAR0_LENGTH;
960 case PCI_DEVICE_ID_QLOGIC_QLE834X:
961 case PCI_DEVICE_ID_QLOGIC_QLE844X:
962 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
963 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
964 *bar = QLCNIC_83XX_BAR0_LENGTH;
971 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
972 struct qlcnic_hardware_context *ahw)
975 void __iomem *mem_ptr0 = NULL;
976 unsigned long mem_len, pci_len0 = 0, bar0_len;
978 /* remap phys address */
979 mem_len = pci_resource_len(pdev, 0);
981 qlcnic_get_bar_length(pdev->device, &bar0_len);
982 if (mem_len >= bar0_len) {
984 mem_ptr0 = pci_ioremap_bar(pdev, 0);
985 if (mem_ptr0 == NULL) {
986 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
994 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
996 ahw->pci_base0 = mem_ptr0;
997 ahw->pci_len0 = pci_len0;
998 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
999 qlcnic_get_ioaddr(ahw, offset);
1004 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1007 struct pci_dev *pdev = adapter->pdev;
1008 unsigned short subsystem_vendor;
1011 subsystem_vendor = pdev->subsystem_vendor;
1013 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1014 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1015 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1016 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1025 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1027 struct pci_dev *pdev = adapter->pdev;
1030 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1031 if (qlcnic_boards[i].vendor == pdev->vendor &&
1032 qlcnic_boards[i].device == pdev->device &&
1033 qlcnic_validate_subsystem_id(adapter, i)) {
1040 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1042 sprintf(name, "%pM: %s" , adapter->mac_addr,
1043 qlcnic_boards[i].short_name);
1047 qlcnic_check_options(struct qlcnic_adapter *adapter)
1050 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1051 struct pci_dev *pdev = adapter->pdev;
1052 struct qlcnic_hardware_context *ahw = adapter->ahw;
1053 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1055 prev_fw_version = adapter->fw_version;
1057 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1058 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1059 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1061 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1063 err = qlcnic_get_board_info(adapter);
1065 dev_err(&pdev->dev, "Error getting board config info.\n");
1068 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1069 if (fw_dump->tmpl_hdr == NULL ||
1070 adapter->fw_version > prev_fw_version) {
1071 if (fw_dump->tmpl_hdr)
1072 vfree(fw_dump->tmpl_hdr);
1073 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1074 dev_info(&pdev->dev,
1075 "Supports FW dump capability\n");
1079 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1080 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1082 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1083 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1084 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1085 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1087 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1088 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1091 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1092 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1094 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1095 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1096 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1097 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1098 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1101 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1103 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1105 adapter->max_rds_rings = MAX_RDS_RINGS;
1109 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1111 struct qlcnic_info nic_info;
1114 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1115 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1119 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1120 adapter->ahw->switch_mode = nic_info.switch_mode;
1121 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1122 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1123 adapter->ahw->capabilities = nic_info.capabilities;
1125 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1127 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1130 adapter->ahw->extra_capability[0] = temp;
1132 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1133 adapter->ahw->max_mtu = nic_info.max_mtu;
1135 /* Disable NPAR for 83XX */
1136 if (qlcnic_83xx_check(adapter))
1139 if (adapter->ahw->capabilities & BIT_6)
1140 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1142 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1147 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1148 struct qlcnic_esw_func_cfg *esw_cfg)
1150 if (esw_cfg->discard_tagged)
1151 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1153 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1155 if (esw_cfg->vlan_id) {
1156 adapter->rx_pvid = esw_cfg->vlan_id;
1157 adapter->tx_pvid = esw_cfg->vlan_id;
1159 adapter->rx_pvid = 0;
1160 adapter->tx_pvid = 0;
1165 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1167 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1170 if (qlcnic_sriov_vf_check(adapter)) {
1171 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1174 "Cannot add VLAN filter for VLAN id %d, err=%d",
1180 set_bit(vid, adapter->vlans);
1185 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1187 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1190 if (qlcnic_sriov_vf_check(adapter)) {
1191 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1194 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1200 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1201 clear_bit(vid, adapter->vlans);
1205 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1206 struct qlcnic_esw_func_cfg *esw_cfg)
1208 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1209 QLCNIC_PROMISC_DISABLED);
1211 if (esw_cfg->mac_anti_spoof)
1212 adapter->flags |= QLCNIC_MACSPOOF;
1214 if (!esw_cfg->mac_override)
1215 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1217 if (!esw_cfg->promisc_mode)
1218 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1221 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1223 struct qlcnic_esw_func_cfg esw_cfg;
1225 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1228 esw_cfg.pci_func = adapter->ahw->pci_func;
1229 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1231 qlcnic_set_vlan_config(adapter, &esw_cfg);
1232 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1233 qlcnic_set_netdev_features(adapter, &esw_cfg);
1238 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1239 struct qlcnic_esw_func_cfg *esw_cfg)
1241 struct net_device *netdev = adapter->netdev;
1243 if (qlcnic_83xx_check(adapter))
1246 adapter->offload_flags = esw_cfg->offload_flags;
1247 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1248 netdev_update_features(netdev);
1249 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1253 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1255 u32 op_mode, priv_level;
1258 err = qlcnic_initialize_nic(adapter);
1262 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1265 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1266 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1268 if (op_mode == QLC_DEV_DRV_DEFAULT)
1269 priv_level = QLCNIC_MGMT_FUNC;
1271 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1273 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1274 if (priv_level == QLCNIC_MGMT_FUNC) {
1275 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1276 err = qlcnic_init_pci_info(adapter);
1279 /* Set privilege level for other functions */
1280 qlcnic_set_function_modes(adapter);
1281 dev_info(&adapter->pdev->dev,
1282 "HAL Version: %d, Management function\n",
1283 adapter->ahw->fw_hal_version);
1284 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1285 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1286 dev_info(&adapter->pdev->dev,
1287 "HAL Version: %d, Privileged function\n",
1288 adapter->ahw->fw_hal_version);
1292 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1297 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1299 struct qlcnic_esw_func_cfg esw_cfg;
1300 struct qlcnic_npar_info *npar;
1303 if (adapter->need_fw_reset)
1306 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1307 if (!adapter->npars[i].eswitch_status)
1310 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1311 esw_cfg.pci_func = adapter->npars[i].pci_func;
1312 esw_cfg.mac_override = BIT_0;
1313 esw_cfg.promisc_mode = BIT_0;
1314 if (qlcnic_82xx_check(adapter)) {
1315 esw_cfg.offload_flags = BIT_0;
1316 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1317 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1319 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1321 npar = &adapter->npars[i];
1322 npar->pvid = esw_cfg.vlan_id;
1323 npar->mac_override = esw_cfg.mac_override;
1324 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1325 npar->discard_tagged = esw_cfg.discard_tagged;
1326 npar->promisc_mode = esw_cfg.promisc_mode;
1327 npar->offload_flags = esw_cfg.offload_flags;
1335 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1336 struct qlcnic_npar_info *npar, int pci_func)
1338 struct qlcnic_esw_func_cfg esw_cfg;
1339 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1340 esw_cfg.pci_func = pci_func;
1341 esw_cfg.vlan_id = npar->pvid;
1342 esw_cfg.mac_override = npar->mac_override;
1343 esw_cfg.discard_tagged = npar->discard_tagged;
1344 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1345 esw_cfg.offload_flags = npar->offload_flags;
1346 esw_cfg.promisc_mode = npar->promisc_mode;
1347 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1350 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1351 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1357 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1360 struct qlcnic_npar_info *npar;
1361 struct qlcnic_info nic_info;
1364 if (qlcnic_82xx_check(adapter))
1365 if (!adapter->need_fw_reset)
1368 /* Set the NPAR config data after FW reset */
1369 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1370 npar = &adapter->npars[i];
1371 pci_func = npar->pci_func;
1372 if (!adapter->npars[i].eswitch_status)
1375 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1376 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1379 nic_info.min_tx_bw = npar->min_bw;
1380 nic_info.max_tx_bw = npar->max_bw;
1381 err = qlcnic_set_nic_info(adapter, &nic_info);
1385 if (npar->enable_pm) {
1386 err = qlcnic_config_port_mirroring(adapter,
1392 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1399 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1401 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1404 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1407 npar_state = QLC_SHARED_REG_RD32(adapter,
1408 QLCNIC_CRB_DEV_NPAR_STATE);
1409 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1411 npar_state = QLC_SHARED_REG_RD32(adapter,
1412 QLCNIC_CRB_DEV_NPAR_STATE);
1414 if (!npar_opt_timeo) {
1415 dev_err(&adapter->pdev->dev,
1416 "Waiting for NPAR state to operational timeout\n");
1423 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1427 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1428 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1431 err = qlcnic_set_default_offload_settings(adapter);
1435 err = qlcnic_reset_npar_config(adapter);
1439 qlcnic_dev_set_npar_ready(adapter);
1444 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1448 err = qlcnic_can_start_firmware(adapter);
1452 goto check_fw_status;
1454 if (qlcnic_load_fw_file)
1455 qlcnic_request_firmware(adapter);
1457 err = qlcnic_check_flash_fw_ver(adapter);
1461 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1464 err = qlcnic_need_fw_reset(adapter);
1466 goto check_fw_status;
1468 err = qlcnic_pinit_from_rom(adapter);
1472 err = qlcnic_load_firmware(adapter);
1476 qlcnic_release_firmware(adapter);
1477 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1480 err = qlcnic_check_fw_status(adapter);
1484 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1485 qlcnic_idc_debug_info(adapter, 1);
1486 err = qlcnic_check_eswitch_mode(adapter);
1488 dev_err(&adapter->pdev->dev,
1489 "Memory allocation failed for eswitch\n");
1492 err = qlcnic_set_mgmt_operations(adapter);
1496 qlcnic_check_options(adapter);
1497 adapter->need_fw_reset = 0;
1499 qlcnic_release_firmware(adapter);
1503 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1504 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1506 qlcnic_release_firmware(adapter);
1511 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1513 irq_handler_t handler;
1514 struct qlcnic_host_sds_ring *sds_ring;
1515 struct qlcnic_host_tx_ring *tx_ring;
1516 int err, ring, num_sds_rings;
1518 unsigned long flags = 0;
1519 struct net_device *netdev = adapter->netdev;
1520 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1522 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1523 if (qlcnic_82xx_check(adapter))
1524 handler = qlcnic_tmp_intr;
1526 handler = qlcnic_83xx_tmp_intr;
1527 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1528 flags |= IRQF_SHARED;
1531 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1532 handler = qlcnic_msix_intr;
1533 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1534 handler = qlcnic_msi_intr;
1536 flags |= IRQF_SHARED;
1537 if (qlcnic_82xx_check(adapter))
1538 handler = qlcnic_intr;
1540 handler = qlcnic_83xx_intr;
1543 adapter->irq = netdev->irq;
1545 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1546 if (qlcnic_82xx_check(adapter) ||
1547 (qlcnic_83xx_check(adapter) &&
1548 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1549 num_sds_rings = adapter->max_sds_rings;
1550 for (ring = 0; ring < num_sds_rings; ring++) {
1551 sds_ring = &recv_ctx->sds_rings[ring];
1552 if (qlcnic_82xx_check(adapter) &&
1553 !qlcnic_check_multi_tx(adapter) &&
1554 (ring == (num_sds_rings - 1))) {
1555 if (!(adapter->flags &
1556 QLCNIC_MSIX_ENABLED))
1557 snprintf(sds_ring->name,
1558 sizeof(sds_ring->name),
1561 snprintf(sds_ring->name,
1562 sizeof(sds_ring->name),
1564 netdev->name, ring);
1566 snprintf(sds_ring->name,
1567 sizeof(sds_ring->name),
1569 netdev->name, ring);
1571 err = request_irq(sds_ring->irq, handler, flags,
1572 sds_ring->name, sds_ring);
1577 if ((qlcnic_82xx_check(adapter) &&
1578 qlcnic_check_multi_tx(adapter)) ||
1579 (qlcnic_83xx_check(adapter) &&
1580 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1581 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1582 handler = qlcnic_msix_tx_intr;
1583 for (ring = 0; ring < adapter->max_drv_tx_rings;
1585 tx_ring = &adapter->tx_ring[ring];
1586 snprintf(tx_ring->name, sizeof(tx_ring->name),
1587 "%s-tx-%d", netdev->name, ring);
1588 err = request_irq(tx_ring->irq, handler, flags,
1589 tx_ring->name, tx_ring);
1599 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1602 struct qlcnic_host_sds_ring *sds_ring;
1603 struct qlcnic_host_tx_ring *tx_ring;
1605 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1607 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1608 if (qlcnic_82xx_check(adapter) ||
1609 (qlcnic_83xx_check(adapter) &&
1610 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1611 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1612 sds_ring = &recv_ctx->sds_rings[ring];
1613 free_irq(sds_ring->irq, sds_ring);
1616 if ((qlcnic_83xx_check(adapter) &&
1617 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1618 (qlcnic_82xx_check(adapter) &&
1619 qlcnic_check_multi_tx(adapter))) {
1620 for (ring = 0; ring < adapter->max_drv_tx_rings;
1622 tx_ring = &adapter->tx_ring[ring];
1624 free_irq(tx_ring->irq, tx_ring);
1630 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1634 if (qlcnic_82xx_check(adapter)) {
1635 if (adapter->ahw->extra_capability[0] &
1636 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1637 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1639 capab = adapter->ahw->capabilities;
1640 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1641 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1645 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1648 struct qlcnic_host_rds_ring *rds_ring;
1650 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1653 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1656 if (qlcnic_set_eswitch_port_config(adapter))
1659 qlcnic_get_lro_mss_capability(adapter);
1661 if (qlcnic_fw_create_ctx(adapter))
1664 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1665 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1666 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1669 qlcnic_set_multi(netdev);
1670 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1672 adapter->ahw->linkup = 0;
1674 if (adapter->max_sds_rings > 1)
1675 qlcnic_config_rss(adapter, 1);
1677 qlcnic_config_intr_coalesce(adapter);
1679 if (netdev->features & NETIF_F_LRO)
1680 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1682 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1683 qlcnic_napi_enable(adapter);
1685 qlcnic_linkevent_request(adapter, 1);
1687 adapter->ahw->reset_context = 0;
1691 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1696 if (netif_running(netdev))
1697 err = __qlcnic_up(adapter, netdev);
1703 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1707 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1710 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1713 if (qlcnic_sriov_vf_check(adapter))
1714 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1716 netif_carrier_off(netdev);
1717 adapter->ahw->linkup = 0;
1718 netif_tx_disable(netdev);
1720 qlcnic_free_mac_list(adapter);
1722 if (adapter->fhash.fnum)
1723 qlcnic_delete_lb_filters(adapter);
1725 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1727 qlcnic_napi_disable(adapter);
1729 qlcnic_fw_destroy_ctx(adapter);
1730 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1732 qlcnic_reset_rx_buffers_list(adapter);
1734 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1735 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1738 /* Usage: During suspend and firmware recovery module */
1740 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1743 if (netif_running(netdev))
1744 __qlcnic_down(adapter, netdev);
1750 qlcnic_attach(struct qlcnic_adapter *adapter)
1752 struct net_device *netdev = adapter->netdev;
1753 struct pci_dev *pdev = adapter->pdev;
1756 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1759 err = qlcnic_napi_add(adapter, netdev);
1763 err = qlcnic_alloc_sw_resources(adapter);
1765 dev_err(&pdev->dev, "Error in setting sw resources\n");
1766 goto err_out_napi_del;
1769 err = qlcnic_alloc_hw_resources(adapter);
1771 dev_err(&pdev->dev, "Error in setting hw resources\n");
1772 goto err_out_free_sw;
1775 err = qlcnic_request_irq(adapter);
1777 dev_err(&pdev->dev, "failed to setup interrupt\n");
1778 goto err_out_free_hw;
1781 qlcnic_create_sysfs_entries(adapter);
1783 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1787 qlcnic_free_hw_resources(adapter);
1789 qlcnic_free_sw_resources(adapter);
1791 qlcnic_napi_del(adapter);
1795 void qlcnic_detach(struct qlcnic_adapter *adapter)
1797 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1800 qlcnic_remove_sysfs_entries(adapter);
1802 qlcnic_free_hw_resources(adapter);
1803 qlcnic_release_rx_buffers(adapter);
1804 qlcnic_free_irq(adapter);
1805 qlcnic_napi_del(adapter);
1806 qlcnic_free_sw_resources(adapter);
1811 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1813 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1814 struct qlcnic_host_sds_ring *sds_ring;
1815 int max_tx_rings = adapter->max_drv_tx_rings;
1818 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1819 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1820 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1821 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1822 qlcnic_disable_int(sds_ring);
1826 qlcnic_fw_destroy_ctx(adapter);
1828 qlcnic_detach(adapter);
1830 adapter->ahw->diag_test = 0;
1831 adapter->max_sds_rings = max_sds_rings;
1832 adapter->max_drv_tx_rings = max_tx_rings;
1834 if (qlcnic_attach(adapter))
1837 if (netif_running(netdev))
1838 __qlcnic_up(adapter, netdev);
1840 netif_device_attach(netdev);
1843 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1845 struct qlcnic_hardware_context *ahw = adapter->ahw;
1848 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1850 if (!adapter->recv_ctx) {
1854 /* Initialize interrupt coalesce parameters */
1855 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1856 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1857 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1858 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1859 if (qlcnic_83xx_check(adapter)) {
1860 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1861 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1864 memset(&adapter->stats, 0, sizeof(adapter->stats));
1869 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1871 kfree(adapter->recv_ctx);
1872 adapter->recv_ctx = NULL;
1874 if (adapter->ahw->fw_dump.tmpl_hdr) {
1875 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1876 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1879 kfree(adapter->ahw->reset.buff);
1880 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1883 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1885 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1886 struct qlcnic_host_sds_ring *sds_ring;
1887 struct qlcnic_host_rds_ring *rds_ring;
1891 netif_device_detach(netdev);
1893 if (netif_running(netdev))
1894 __qlcnic_down(adapter, netdev);
1896 qlcnic_detach(adapter);
1898 adapter->max_sds_rings = 1;
1899 adapter->ahw->diag_test = test;
1900 adapter->ahw->linkup = 0;
1901 adapter->max_drv_tx_rings = 1;
1903 ret = qlcnic_attach(adapter);
1905 netif_device_attach(netdev);
1909 ret = qlcnic_fw_create_ctx(adapter);
1911 qlcnic_detach(adapter);
1912 netif_device_attach(netdev);
1916 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1917 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1918 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1921 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1922 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1923 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1924 qlcnic_enable_int(sds_ring);
1928 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1929 adapter->ahw->loopback_state = 0;
1930 qlcnic_linkevent_request(adapter, 1);
1933 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1938 /* Reset context in hardware only */
1940 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1942 struct net_device *netdev = adapter->netdev;
1944 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1947 netif_device_detach(netdev);
1949 qlcnic_down(adapter, netdev);
1951 qlcnic_up(adapter, netdev);
1953 netif_device_attach(netdev);
1955 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1956 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1961 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1964 struct net_device *netdev = adapter->netdev;
1966 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1969 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1971 netif_device_detach(netdev);
1973 if (netif_running(netdev))
1974 __qlcnic_down(adapter, netdev);
1976 qlcnic_detach(adapter);
1978 if (netif_running(netdev)) {
1979 err = qlcnic_attach(adapter);
1981 __qlcnic_up(adapter, netdev);
1982 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1986 netif_device_attach(netdev);
1989 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1993 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1995 struct qlcnic_hardware_context *ahw = adapter->ahw;
1996 u16 act_pci_fn = ahw->act_pci_func;
1999 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2000 if (act_pci_fn <= 2)
2001 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2004 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2006 ahw->max_uc_count = count;
2010 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2014 struct pci_dev *pdev = adapter->pdev;
2016 adapter->rx_csum = 1;
2017 adapter->ahw->mc_enabled = 0;
2018 qlcnic_set_mac_filter_count(adapter);
2020 netdev->netdev_ops = &qlcnic_netdev_ops;
2021 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2023 qlcnic_change_mtu(netdev, netdev->mtu);
2025 if (qlcnic_sriov_vf_check(adapter))
2026 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2028 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2030 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2031 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2032 NETIF_F_HW_VLAN_CTAG_RX);
2033 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2036 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2037 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2038 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2041 if (pci_using_dac) {
2042 netdev->features |= NETIF_F_HIGHDMA;
2043 netdev->vlan_features |= NETIF_F_HIGHDMA;
2046 if (qlcnic_vlan_tx_check(adapter))
2047 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2049 if (qlcnic_sriov_vf_check(adapter))
2050 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2052 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2053 netdev->features |= NETIF_F_LRO;
2055 netdev->hw_features = netdev->features;
2056 netdev->priv_flags |= IFF_UNICAST_FLT;
2057 netdev->irq = adapter->msix_entries[0].vector;
2059 err = qlcnic_set_real_num_queues(adapter, netdev);
2063 err = register_netdev(netdev);
2065 dev_err(&pdev->dev, "failed to register net device\n");
2069 qlcnic_dcb_init_dcbnl_ops(adapter);
2074 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2076 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2077 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2079 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2080 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2083 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2090 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2093 struct qlcnic_host_tx_ring *tx_ring;
2095 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2096 tx_ring = &adapter->tx_ring[ring];
2097 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2098 vfree(tx_ring->cmd_buf_arr);
2099 tx_ring->cmd_buf_arr = NULL;
2102 if (adapter->tx_ring != NULL)
2103 kfree(adapter->tx_ring);
2106 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2107 struct net_device *netdev)
2109 int ring, vector, index;
2110 struct qlcnic_host_tx_ring *tx_ring;
2111 struct qlcnic_cmd_buffer *cmd_buf_arr;
2113 tx_ring = kcalloc(adapter->max_drv_tx_rings,
2114 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2115 if (tx_ring == NULL)
2118 adapter->tx_ring = tx_ring;
2120 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2121 tx_ring = &adapter->tx_ring[ring];
2122 tx_ring->num_desc = adapter->num_txd;
2123 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2124 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2125 if (cmd_buf_arr == NULL) {
2126 qlcnic_free_tx_rings(adapter);
2129 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2130 tx_ring->cmd_buf_arr = cmd_buf_arr;
2133 if (qlcnic_83xx_check(adapter) ||
2134 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2135 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2136 tx_ring = &adapter->tx_ring[ring];
2137 tx_ring->adapter = adapter;
2138 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2139 index = adapter->max_sds_rings + ring;
2140 vector = adapter->msix_entries[index].vector;
2141 tx_ring->irq = vector;
2149 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2151 struct qlcnic_hardware_context *ahw = adapter->ahw;
2154 if (qlcnic_82xx_check(adapter))
2155 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2156 else if (qlcnic_83xx_check(adapter))
2157 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2159 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2160 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2161 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2164 static int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
2166 return __qlcnic_register_dcb(adapter);
2169 void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter)
2171 kfree(adapter->dcb);
2172 adapter->dcb = NULL;
2176 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2178 struct net_device *netdev = NULL;
2179 struct qlcnic_adapter *adapter = NULL;
2180 struct qlcnic_hardware_context *ahw;
2181 int err, pci_using_dac = -1;
2182 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2184 if (pdev->is_virtfn)
2187 err = pci_enable_device(pdev);
2191 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2193 goto err_out_disable_pdev;
2196 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2198 goto err_out_disable_pdev;
2200 err = pci_request_regions(pdev, qlcnic_driver_name);
2202 goto err_out_disable_pdev;
2204 pci_set_master(pdev);
2205 pci_enable_pcie_error_reporting(pdev);
2207 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2210 goto err_out_free_res;
2213 switch (ent->device) {
2214 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2215 ahw->hw_ops = &qlcnic_hw_ops;
2216 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2218 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2219 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2220 qlcnic_83xx_register_map(ahw);
2222 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2223 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2224 qlcnic_sriov_vf_register_map(ahw);
2227 goto err_out_free_hw_res;
2230 err = qlcnic_setup_pci_map(pdev, ahw);
2232 goto err_out_free_hw_res;
2234 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2235 QLCNIC_MAX_TX_RINGS);
2238 goto err_out_iounmap;
2241 SET_NETDEV_DEV(netdev, &pdev->dev);
2243 adapter = netdev_priv(netdev);
2244 adapter->netdev = netdev;
2245 adapter->pdev = pdev;
2248 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2249 if (adapter->qlcnic_wq == NULL) {
2251 dev_err(&pdev->dev, "Failed to create workqueue\n");
2252 goto err_out_free_netdev;
2255 err = qlcnic_alloc_adapter_resources(adapter);
2257 goto err_out_free_netdev;
2259 adapter->dev_rst_time = jiffies;
2260 adapter->ahw->revision_id = pdev->revision;
2261 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2262 adapter->fdb_mac_learn = true;
2263 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2264 adapter->drv_mac_learn = true;
2266 rwlock_init(&adapter->ahw->crb_lock);
2267 mutex_init(&adapter->ahw->mem_lock);
2269 INIT_LIST_HEAD(&adapter->mac_list);
2271 qlcnic_register_dcb(adapter);
2273 if (qlcnic_82xx_check(adapter)) {
2274 qlcnic_check_vf(adapter, ent);
2275 adapter->portnum = adapter->ahw->pci_func;
2276 err = qlcnic_start_firmware(adapter);
2278 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
2279 goto err_out_free_hw;
2282 qlcnic_get_multiq_capability(adapter);
2284 if ((adapter->ahw->act_pci_func > 2) &&
2285 qlcnic_check_multi_tx(adapter)) {
2286 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2287 dev_info(&adapter->pdev->dev,
2288 "vNIC mode enabled, Set max TX rings = %d\n",
2289 adapter->max_drv_tx_rings);
2292 if (!qlcnic_check_multi_tx(adapter)) {
2293 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2294 adapter->max_drv_tx_rings = 1;
2296 err = qlcnic_setup_idc_param(adapter);
2298 goto err_out_free_hw;
2300 adapter->flags |= QLCNIC_NEED_FLR;
2302 if (adapter->dcb && qlcnic_dcb_attach(adapter))
2303 qlcnic_clear_dcb_ops(adapter);
2305 } else if (qlcnic_83xx_check(adapter)) {
2306 adapter->max_drv_tx_rings = 1;
2307 qlcnic_83xx_check_vf(adapter, ent);
2308 adapter->portnum = adapter->ahw->pci_func;
2309 err = qlcnic_83xx_init(adapter, pci_using_dac);
2311 dev_err(&pdev->dev, "%s: failed\n", __func__);
2312 goto err_out_free_hw;
2314 if (qlcnic_sriov_vf_check(adapter))
2318 "%s: failed. Please Reboot\n", __func__);
2319 goto err_out_free_hw;
2322 if (qlcnic_read_mac_addr(adapter))
2323 dev_warn(&pdev->dev, "failed to read mac addr\n");
2325 qlcnic_read_phys_port_id(adapter);
2327 if (adapter->portnum == 0) {
2328 qlcnic_get_board_name(adapter, board_name);
2330 pr_info("%s: %s Board Chip rev 0x%x\n",
2331 module_name(THIS_MODULE),
2332 board_name, adapter->ahw->revision_id);
2335 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2337 dev_warn(&pdev->dev,
2338 "Device does not support MSI interrupts\n");
2340 if (qlcnic_82xx_check(adapter)) {
2341 err = qlcnic_setup_intr(adapter, 0, 0);
2343 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2344 goto err_out_disable_msi;
2348 err = qlcnic_get_act_pci_func(adapter);
2350 goto err_out_disable_mbx_intr;
2352 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2354 goto err_out_disable_mbx_intr;
2356 if (adapter->portnum == 0)
2357 qlcnic_set_drv_version(adapter);
2359 pci_set_drvdata(pdev, adapter);
2361 if (qlcnic_82xx_check(adapter))
2362 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2365 switch (adapter->ahw->port_type) {
2367 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2368 adapter->netdev->name);
2371 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2372 adapter->netdev->name);
2376 if (adapter->drv_mac_learn)
2377 qlcnic_alloc_lb_filters_mem(adapter);
2379 qlcnic_add_sysfs(adapter);
2383 err_out_disable_mbx_intr:
2384 if (qlcnic_83xx_check(adapter))
2385 qlcnic_83xx_free_mbx_intr(adapter);
2387 err_out_disable_msi:
2388 qlcnic_teardown_intr(adapter);
2389 qlcnic_cancel_idc_work(adapter);
2390 qlcnic_clr_all_drv_state(adapter, 0);
2393 qlcnic_free_adapter_resources(adapter);
2395 err_out_free_netdev:
2396 free_netdev(netdev);
2399 qlcnic_cleanup_pci_map(ahw);
2401 err_out_free_hw_res:
2405 pci_release_regions(pdev);
2407 err_out_disable_pdev:
2408 pci_set_drvdata(pdev, NULL);
2409 pci_disable_device(pdev);
2413 static void qlcnic_remove(struct pci_dev *pdev)
2415 struct qlcnic_adapter *adapter;
2416 struct net_device *netdev;
2417 struct qlcnic_hardware_context *ahw;
2419 adapter = pci_get_drvdata(pdev);
2420 if (adapter == NULL)
2423 netdev = adapter->netdev;
2424 qlcnic_sriov_pf_disable(adapter);
2426 qlcnic_cancel_idc_work(adapter);
2429 qlcnic_dcb_free(adapter);
2431 unregister_netdev(netdev);
2432 qlcnic_sriov_cleanup(adapter);
2434 if (qlcnic_83xx_check(adapter)) {
2435 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2436 cancel_delayed_work_sync(&adapter->idc_aen_work);
2437 qlcnic_83xx_free_mbx_intr(adapter);
2438 qlcnic_83xx_detach_mailbox_work(adapter);
2439 qlcnic_83xx_free_mailbox(ahw->mailbox);
2440 kfree(ahw->fw_info);
2443 qlcnic_detach(adapter);
2445 if (adapter->npars != NULL)
2446 kfree(adapter->npars);
2447 if (adapter->eswitch != NULL)
2448 kfree(adapter->eswitch);
2450 if (qlcnic_82xx_check(adapter))
2451 qlcnic_clr_all_drv_state(adapter, 0);
2453 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2455 qlcnic_free_lb_filters_mem(adapter);
2457 qlcnic_teardown_intr(adapter);
2459 qlcnic_remove_sysfs(adapter);
2461 qlcnic_cleanup_pci_map(adapter->ahw);
2463 qlcnic_release_firmware(adapter);
2465 pci_disable_pcie_error_reporting(pdev);
2466 pci_release_regions(pdev);
2467 pci_disable_device(pdev);
2468 pci_set_drvdata(pdev, NULL);
2470 if (adapter->qlcnic_wq) {
2471 destroy_workqueue(adapter->qlcnic_wq);
2472 adapter->qlcnic_wq = NULL;
2475 qlcnic_free_adapter_resources(adapter);
2477 free_netdev(netdev);
2480 static void qlcnic_shutdown(struct pci_dev *pdev)
2482 if (__qlcnic_shutdown(pdev))
2485 pci_disable_device(pdev);
2489 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2493 retval = __qlcnic_shutdown(pdev);
2497 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2501 static int qlcnic_resume(struct pci_dev *pdev)
2503 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2506 err = pci_enable_device(pdev);
2510 pci_set_power_state(pdev, PCI_D0);
2511 pci_set_master(pdev);
2512 pci_restore_state(pdev);
2514 return __qlcnic_resume(adapter);
2518 static int qlcnic_open(struct net_device *netdev)
2520 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2523 netif_carrier_off(netdev);
2525 err = qlcnic_attach(adapter);
2529 err = __qlcnic_up(adapter, netdev);
2533 netif_tx_start_all_queues(netdev);
2538 qlcnic_detach(adapter);
2543 * qlcnic_close - Disables a network interface entry point
2545 static int qlcnic_close(struct net_device *netdev)
2547 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2549 __qlcnic_down(adapter, netdev);
2554 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2558 struct net_device *netdev = adapter->netdev;
2559 u32 filter_size = 0;
2560 u16 act_pci_func = 0;
2562 if (adapter->fhash.fmax && adapter->fhash.fhead)
2565 act_pci_func = adapter->ahw->act_pci_func;
2566 spin_lock_init(&adapter->mac_learn_lock);
2567 spin_lock_init(&adapter->rx_mac_learn_lock);
2569 if (qlcnic_82xx_check(adapter)) {
2570 filter_size = QLCNIC_LB_MAX_FILTERS;
2571 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2573 filter_size = QLC_83XX_LB_MAX_FILTERS;
2574 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2577 head = kcalloc(adapter->fhash.fbucket_size,
2578 sizeof(struct hlist_head), GFP_ATOMIC);
2583 adapter->fhash.fmax = (filter_size / act_pci_func);
2584 adapter->fhash.fhead = head;
2586 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2587 act_pci_func, adapter->fhash.fmax);
2589 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2590 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2592 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2594 head = kcalloc(adapter->rx_fhash.fbucket_size,
2595 sizeof(struct hlist_head), GFP_ATOMIC);
2600 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2601 adapter->rx_fhash.fhead = head;
2603 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2604 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2607 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2609 if (adapter->fhash.fmax && adapter->fhash.fhead)
2610 kfree(adapter->fhash.fhead);
2612 adapter->fhash.fhead = NULL;
2613 adapter->fhash.fmax = 0;
2615 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2616 kfree(adapter->rx_fhash.fhead);
2618 adapter->rx_fhash.fmax = 0;
2619 adapter->rx_fhash.fhead = NULL;
2622 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2624 struct net_device *netdev = adapter->netdev;
2625 u32 temp_state, temp_val, temp = 0;
2628 if (qlcnic_83xx_check(adapter))
2629 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2631 if (qlcnic_82xx_check(adapter))
2632 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2634 temp_state = qlcnic_get_temp_state(temp);
2635 temp_val = qlcnic_get_temp_val(temp);
2637 if (temp_state == QLCNIC_TEMP_PANIC) {
2638 dev_err(&netdev->dev,
2639 "Device temperature %d degrees C exceeds"
2640 " maximum allowed. Hardware has been shut down.\n",
2643 } else if (temp_state == QLCNIC_TEMP_WARN) {
2644 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2645 dev_err(&netdev->dev,
2646 "Device temperature %d degrees C "
2647 "exceeds operating range."
2648 " Immediate action needed.\n",
2652 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2653 dev_info(&netdev->dev,
2654 "Device temperature is now %d degrees C"
2655 " in normal range.\n", temp_val);
2658 adapter->ahw->temp = temp_state;
2662 static void qlcnic_tx_timeout(struct net_device *netdev)
2664 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2665 struct qlcnic_host_tx_ring *tx_ring;
2668 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2671 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2672 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2673 if (qlcnic_82xx_check(adapter))
2674 adapter->need_fw_reset = 1;
2675 else if (qlcnic_83xx_check(adapter))
2676 qlcnic_83xx_idc_request_reset(adapter,
2677 QLCNIC_FORCE_FW_DUMP_KEY);
2679 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2680 if (qlcnic_82xx_check(adapter)) {
2681 for (ring = 0; ring < adapter->max_drv_tx_rings;
2683 tx_ring = &adapter->tx_ring[ring];
2684 dev_info(&netdev->dev, "ring=%d\n", ring);
2685 dev_info(&netdev->dev, "crb_intr_mask=%d\n",
2686 readl(tx_ring->crb_intr_mask));
2687 dev_info(&netdev->dev, "producer=%d\n",
2688 readl(tx_ring->crb_cmd_producer));
2689 dev_info(&netdev->dev, "sw_consumer = %d\n",
2690 tx_ring->sw_consumer);
2691 dev_info(&netdev->dev, "hw_consumer = %d\n",
2692 le32_to_cpu(*(tx_ring->hw_consumer)));
2693 dev_info(&netdev->dev, "xmit-on=%llu\n",
2695 dev_info(&netdev->dev, "xmit-off=%llu\n",
2699 adapter->ahw->reset_context = 1;
2703 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2705 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2706 struct net_device_stats *stats = &netdev->stats;
2708 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2709 stats->tx_packets = adapter->stats.xmitfinished;
2710 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2711 stats->tx_bytes = adapter->stats.txbytes;
2712 stats->rx_dropped = adapter->stats.rxdropped;
2713 stats->tx_dropped = adapter->stats.txdropped;
2718 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2722 status = readl(adapter->isr_int_vec);
2724 if (!(status & adapter->ahw->int_vec_bit))
2727 /* check interrupt state machine, to be sure */
2728 status = readl(adapter->crb_int_state_reg);
2729 if (!ISR_LEGACY_INT_TRIGGERED(status))
2732 writel(0xffffffff, adapter->tgt_status_reg);
2733 /* read twice to ensure write is flushed */
2734 readl(adapter->isr_int_vec);
2735 readl(adapter->isr_int_vec);
2740 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2742 struct qlcnic_host_sds_ring *sds_ring = data;
2743 struct qlcnic_adapter *adapter = sds_ring->adapter;
2745 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2747 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2748 writel(0xffffffff, adapter->tgt_status_reg);
2752 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2756 adapter->ahw->diag_cnt++;
2757 qlcnic_enable_int(sds_ring);
2761 static irqreturn_t qlcnic_intr(int irq, void *data)
2763 struct qlcnic_host_sds_ring *sds_ring = data;
2764 struct qlcnic_adapter *adapter = sds_ring->adapter;
2766 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2769 napi_schedule(&sds_ring->napi);
2774 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2776 struct qlcnic_host_sds_ring *sds_ring = data;
2777 struct qlcnic_adapter *adapter = sds_ring->adapter;
2779 /* clear interrupt */
2780 writel(0xffffffff, adapter->tgt_status_reg);
2782 napi_schedule(&sds_ring->napi);
2786 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2788 struct qlcnic_host_sds_ring *sds_ring = data;
2790 napi_schedule(&sds_ring->napi);
2794 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2796 struct qlcnic_host_tx_ring *tx_ring = data;
2798 napi_schedule(&tx_ring->napi);
2802 #ifdef CONFIG_NET_POLL_CONTROLLER
2803 static void qlcnic_poll_controller(struct net_device *netdev)
2806 struct qlcnic_host_sds_ring *sds_ring;
2807 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2808 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2810 disable_irq(adapter->irq);
2811 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2812 sds_ring = &recv_ctx->sds_rings[ring];
2813 qlcnic_intr(adapter->irq, sds_ring);
2815 enable_irq(adapter->irq);
2820 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2824 val = adapter->portnum & 0xf;
2825 val |= encoding << 7;
2826 val |= (jiffies - adapter->dev_rst_time) << 8;
2828 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2829 adapter->dev_rst_time = jiffies;
2833 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2837 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2838 state != QLCNIC_DEV_NEED_QUISCENT);
2840 if (qlcnic_api_lock(adapter))
2843 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2845 if (state == QLCNIC_DEV_NEED_RESET)
2846 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2847 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2848 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2850 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2852 qlcnic_api_unlock(adapter);
2858 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2862 if (qlcnic_api_lock(adapter))
2865 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2866 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2867 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2869 qlcnic_api_unlock(adapter);
2874 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2878 if (qlcnic_api_lock(adapter))
2881 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2882 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2883 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2886 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2888 dev_info(&adapter->pdev->dev,
2889 "Device state set to Failed. Please Reboot\n");
2890 } else if (!(val & 0x11111111))
2891 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2894 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2895 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2896 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2898 qlcnic_api_unlock(adapter);
2900 adapter->fw_fail_cnt = 0;
2901 adapter->flags &= ~QLCNIC_FW_HANG;
2902 clear_bit(__QLCNIC_START_FW, &adapter->state);
2903 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2906 /* Grab api lock, before checking state */
2908 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2910 int act, state, active_mask;
2911 struct qlcnic_hardware_context *ahw = adapter->ahw;
2913 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2914 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2916 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2917 active_mask = (~(1 << (ahw->pci_func * 4)));
2918 act = act & active_mask;
2921 if (((state & 0x11111111) == (act & 0x11111111)) ||
2922 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2928 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2930 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2932 if (val != QLCNIC_DRV_IDC_VER) {
2933 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2934 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2941 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2943 u32 val, prev_state;
2944 u8 dev_init_timeo = adapter->dev_init_timeo;
2945 u8 portnum = adapter->portnum;
2948 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2951 if (qlcnic_api_lock(adapter))
2954 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2955 if (!(val & (1 << (portnum * 4)))) {
2956 QLC_DEV_SET_REF_CNT(val, portnum);
2957 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2960 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2961 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2963 switch (prev_state) {
2964 case QLCNIC_DEV_COLD:
2965 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2966 QLCNIC_DEV_INITIALIZING);
2967 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2968 QLCNIC_DRV_IDC_VER);
2969 qlcnic_idc_debug_info(adapter, 0);
2970 qlcnic_api_unlock(adapter);
2973 case QLCNIC_DEV_READY:
2974 ret = qlcnic_check_idc_ver(adapter);
2975 qlcnic_api_unlock(adapter);
2978 case QLCNIC_DEV_NEED_RESET:
2979 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2980 QLC_DEV_SET_RST_RDY(val, portnum);
2981 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2984 case QLCNIC_DEV_NEED_QUISCENT:
2985 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2986 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2987 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2990 case QLCNIC_DEV_FAILED:
2991 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2992 qlcnic_api_unlock(adapter);
2995 case QLCNIC_DEV_INITIALIZING:
2996 case QLCNIC_DEV_QUISCENT:
3000 qlcnic_api_unlock(adapter);
3004 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3006 if (prev_state == QLCNIC_DEV_QUISCENT)
3008 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3010 if (!dev_init_timeo) {
3011 dev_err(&adapter->pdev->dev,
3012 "Waiting for device to initialize timeout\n");
3016 if (qlcnic_api_lock(adapter))
3019 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3020 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3021 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3023 ret = qlcnic_check_idc_ver(adapter);
3024 qlcnic_api_unlock(adapter);
3030 qlcnic_fwinit_work(struct work_struct *work)
3032 struct qlcnic_adapter *adapter = container_of(work,
3033 struct qlcnic_adapter, fw_work.work);
3034 u32 dev_state = 0xf;
3037 if (qlcnic_api_lock(adapter))
3040 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3041 if (dev_state == QLCNIC_DEV_QUISCENT ||
3042 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3043 qlcnic_api_unlock(adapter);
3044 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3049 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3050 qlcnic_api_unlock(adapter);
3054 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3055 dev_state == QLCNIC_DEV_READY) {
3056 dev_info(&adapter->pdev->dev, "Detected state change from "
3057 "DEV_NEED_RESET, skipping ack check\n");
3058 goto skip_ack_check;
3061 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3062 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3063 adapter->reset_ack_timeo);
3064 goto skip_ack_check;
3067 if (!qlcnic_check_drv_state(adapter)) {
3069 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3071 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3072 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3073 QLCNIC_DEV_INITIALIZING);
3074 set_bit(__QLCNIC_START_FW, &adapter->state);
3075 QLCDB(adapter, DRV, "Restarting fw\n");
3076 qlcnic_idc_debug_info(adapter, 0);
3077 val = QLC_SHARED_REG_RD32(adapter,
3078 QLCNIC_CRB_DRV_STATE);
3079 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3080 QLC_SHARED_REG_WR32(adapter,
3081 QLCNIC_CRB_DRV_STATE, val);
3084 qlcnic_api_unlock(adapter);
3087 if (qlcnic_check_fw_dump_state(adapter) &&
3088 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3089 QLCDB(adapter, DRV, "Take FW dump\n");
3090 qlcnic_dump_fw(adapter);
3091 adapter->flags |= QLCNIC_FW_HANG;
3095 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3096 if (!adapter->nic_ops->start_firmware(adapter)) {
3097 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3098 adapter->fw_wait_cnt = 0;
3104 qlcnic_api_unlock(adapter);
3107 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3108 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3110 switch (dev_state) {
3111 case QLCNIC_DEV_READY:
3112 if (!qlcnic_start_firmware(adapter)) {
3113 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3114 adapter->fw_wait_cnt = 0;
3117 case QLCNIC_DEV_FAILED:
3120 qlcnic_schedule_work(adapter,
3121 qlcnic_fwinit_work, FW_POLL_DELAY);
3126 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3127 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3128 netif_device_attach(adapter->netdev);
3129 qlcnic_clr_all_drv_state(adapter, 0);
3133 qlcnic_detach_work(struct work_struct *work)
3135 struct qlcnic_adapter *adapter = container_of(work,
3136 struct qlcnic_adapter, fw_work.work);
3137 struct net_device *netdev = adapter->netdev;
3140 netif_device_detach(netdev);
3142 /* Dont grab rtnl lock during Quiscent mode */
3143 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3144 if (netif_running(netdev))
3145 __qlcnic_down(adapter, netdev);
3147 qlcnic_down(adapter, netdev);
3149 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3151 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3152 dev_err(&adapter->pdev->dev,
3153 "Detaching the device: peg halt status1=0x%x\n",
3156 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3157 dev_err(&adapter->pdev->dev,
3158 "On board active cooling fan failed. "
3159 "Device has been halted.\n");
3160 dev_err(&adapter->pdev->dev,
3161 "Replace the adapter.\n");
3167 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3168 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3169 adapter->ahw->temp);
3173 /* Dont ack if this instance is the reset owner */
3174 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3175 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3176 dev_err(&adapter->pdev->dev,
3177 "Failed to set driver state,"
3178 "detaching the device.\n");
3183 adapter->fw_wait_cnt = 0;
3185 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3190 netif_device_attach(netdev);
3191 qlcnic_clr_all_drv_state(adapter, 1);
3194 /*Transit NPAR state to NON Operational */
3196 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3200 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3201 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3204 if (qlcnic_api_lock(adapter))
3206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3207 QLCNIC_DEV_NPAR_NON_OPER);
3208 qlcnic_api_unlock(adapter);
3211 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
3213 u32 state, xg_val = 0, gb_val = 0;
3215 qlcnic_xg_set_xg0_mask(xg_val);
3216 qlcnic_xg_set_xg1_mask(xg_val);
3217 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3218 qlcnic_gb_set_gb0_mask(gb_val);
3219 qlcnic_gb_set_gb1_mask(gb_val);
3220 qlcnic_gb_set_gb2_mask(gb_val);
3221 qlcnic_gb_set_gb3_mask(gb_val);
3222 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3223 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3225 adapter->need_fw_reset = 1;
3227 if (qlcnic_api_lock(adapter))
3230 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3232 if (state == QLCNIC_DEV_READY) {
3233 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3234 QLCNIC_DEV_NEED_RESET);
3235 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3236 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3237 qlcnic_idc_debug_info(adapter, 0);
3240 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3241 QLCNIC_DEV_NPAR_NON_OPER);
3242 qlcnic_api_unlock(adapter);
3245 /* Transit to NPAR READY state from NPAR NOT READY state */
3247 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3249 if (qlcnic_api_lock(adapter))
3252 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3253 QLCNIC_DEV_NPAR_OPER);
3254 QLCDB(adapter, DRV, "NPAR operational state set\n");
3256 qlcnic_api_unlock(adapter);
3259 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3260 work_func_t func, int delay)
3262 if (test_bit(__QLCNIC_AER, &adapter->state))
3265 INIT_DELAYED_WORK(&adapter->fw_work, func);
3266 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3267 round_jiffies_relative(delay));
3271 qlcnic_attach_work(struct work_struct *work)
3273 struct qlcnic_adapter *adapter = container_of(work,
3274 struct qlcnic_adapter, fw_work.work);
3275 struct net_device *netdev = adapter->netdev;
3278 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3279 npar_state = QLC_SHARED_REG_RD32(adapter,
3280 QLCNIC_CRB_DEV_NPAR_STATE);
3281 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3282 qlcnic_clr_all_drv_state(adapter, 0);
3283 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3284 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3288 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3292 qlcnic_dcb_get_info(adapter);
3294 if (netif_running(netdev)) {
3295 if (qlcnic_up(adapter, netdev))
3298 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3302 netif_device_attach(netdev);
3303 adapter->fw_fail_cnt = 0;
3304 adapter->flags &= ~QLCNIC_FW_HANG;
3305 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3306 if (adapter->portnum == 0)
3307 qlcnic_set_drv_version(adapter);
3309 if (!qlcnic_clr_drv_state(adapter))
3310 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3315 qlcnic_check_health(struct qlcnic_adapter *adapter)
3317 u32 state = 0, heartbeat;
3321 if (qlcnic_check_temp(adapter))
3324 if (adapter->need_fw_reset)
3325 qlcnic_dev_request_reset(adapter, 0);
3327 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3328 if (state == QLCNIC_DEV_NEED_RESET) {
3329 qlcnic_set_npar_non_operational(adapter);
3330 adapter->need_fw_reset = 1;
3331 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3334 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3335 if (heartbeat != adapter->heartbeat) {
3336 adapter->heartbeat = heartbeat;
3337 adapter->fw_fail_cnt = 0;
3338 if (adapter->need_fw_reset)
3341 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
3342 qlcnic_reset_hw_context(adapter);
3347 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3350 adapter->flags |= QLCNIC_FW_HANG;
3352 qlcnic_dev_request_reset(adapter, 0);
3354 if (qlcnic_auto_fw_reset)
3355 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3357 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3358 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3359 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3360 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3361 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3362 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3363 "PEG_NET_4_PC: 0x%x\n",
3365 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3366 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3367 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3368 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3369 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3370 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3371 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3372 dev_err(&adapter->pdev->dev,
3373 "Firmware aborted with error code 0x00006700. "
3374 "Device is being reset.\n");
3376 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3377 QLCNIC_DEV_NEED_RESET;
3379 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3382 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3383 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3389 void qlcnic_fw_poll_work(struct work_struct *work)
3391 struct qlcnic_adapter *adapter = container_of(work,
3392 struct qlcnic_adapter, fw_work.work);
3394 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3398 if (qlcnic_check_health(adapter))
3401 if (adapter->fhash.fnum)
3402 qlcnic_prune_lb_filters(adapter);
3405 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3408 static int qlcnic_is_first_func(struct pci_dev *pdev)
3410 struct pci_dev *oth_pdev;
3411 int val = pdev->devfn;
3414 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3415 (pdev->bus), pdev->bus->number,
3416 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3420 if (oth_pdev->current_state != PCI_D3cold) {
3421 pci_dev_put(oth_pdev);
3424 pci_dev_put(oth_pdev);
3429 static int qlcnic_attach_func(struct pci_dev *pdev)
3431 int err, first_func;
3432 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3433 struct net_device *netdev = adapter->netdev;
3435 pdev->error_state = pci_channel_io_normal;
3437 err = pci_enable_device(pdev);
3441 pci_set_master(pdev);
3442 pci_restore_state(pdev);
3444 first_func = qlcnic_is_first_func(pdev);
3446 if (qlcnic_api_lock(adapter))
3449 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3450 adapter->need_fw_reset = 1;
3451 set_bit(__QLCNIC_START_FW, &adapter->state);
3452 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3453 QLCNIC_DEV_INITIALIZING);
3454 QLCDB(adapter, DRV, "Restarting fw\n");
3456 qlcnic_api_unlock(adapter);
3458 err = qlcnic_start_firmware(adapter);
3462 qlcnic_clr_drv_state(adapter);
3463 kfree(adapter->msix_entries);
3464 adapter->msix_entries = NULL;
3465 err = qlcnic_setup_intr(adapter, 0, 0);
3468 kfree(adapter->msix_entries);
3469 netdev_err(netdev, "failed to setup interrupt\n");
3473 if (netif_running(netdev)) {
3474 err = qlcnic_attach(adapter);
3476 qlcnic_clr_all_drv_state(adapter, 1);
3477 clear_bit(__QLCNIC_AER, &adapter->state);
3478 netif_device_attach(netdev);
3482 err = qlcnic_up(adapter, netdev);
3486 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3489 netif_device_attach(netdev);
3493 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3494 pci_channel_state_t state)
3496 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3497 struct net_device *netdev = adapter->netdev;
3499 if (state == pci_channel_io_perm_failure)
3500 return PCI_ERS_RESULT_DISCONNECT;
3502 if (state == pci_channel_io_normal)
3503 return PCI_ERS_RESULT_RECOVERED;
3505 set_bit(__QLCNIC_AER, &adapter->state);
3506 netif_device_detach(netdev);
3508 cancel_delayed_work_sync(&adapter->fw_work);
3510 if (netif_running(netdev))
3511 qlcnic_down(adapter, netdev);
3513 qlcnic_detach(adapter);
3514 qlcnic_teardown_intr(adapter);
3516 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3518 pci_save_state(pdev);
3519 pci_disable_device(pdev);
3521 return PCI_ERS_RESULT_NEED_RESET;
3524 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3526 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3527 PCI_ERS_RESULT_RECOVERED;
3530 void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3533 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3535 pci_cleanup_aer_uncorrect_error_status(pdev);
3536 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3537 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3539 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3543 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3544 pci_channel_state_t state)
3546 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3547 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3549 if (hw_ops->io_error_detected) {
3550 return hw_ops->io_error_detected(pdev, state);
3552 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3553 return PCI_ERS_RESULT_DISCONNECT;
3557 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3559 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3560 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3562 if (hw_ops->io_slot_reset) {
3563 return hw_ops->io_slot_reset(pdev);
3565 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3566 return PCI_ERS_RESULT_DISCONNECT;
3570 static void qlcnic_io_resume(struct pci_dev *pdev)
3572 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3573 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3575 if (hw_ops->io_resume)
3576 hw_ops->io_resume(pdev);
3578 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3583 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3587 err = qlcnic_can_start_firmware(adapter);
3591 err = qlcnic_check_npar_opertional(adapter);
3595 err = qlcnic_initialize_nic(adapter);
3599 qlcnic_check_options(adapter);
3601 err = qlcnic_set_eswitch_port_config(adapter);
3605 adapter->need_fw_reset = 0;
3610 int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq)
3612 struct net_device *netdev = adapter->netdev;
3613 u8 max_hw = QLCNIC_MAX_TX_RINGS;
3616 if (!qlcnic_82xx_check(adapter)) {
3617 netdev_err(netdev, "No Multi TX-Q support\n");
3621 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3622 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n");
3626 if (!qlcnic_check_multi_tx(adapter)) {
3627 netdev_err(netdev, "No Multi TX-Q support\n");
3631 if (txq > QLCNIC_MAX_TX_RINGS) {
3632 netdev_err(netdev, "Invalid ring count\n");
3636 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3637 num_online_cpus()));
3638 if ((txq > max_allowed) || !is_power_of_2(txq)) {
3639 if (!is_power_of_2(txq))
3641 "TX queue should be a power of 2\n");
3642 if (txq > num_online_cpus())
3644 "Tx queue should not be higher than [%u], number of online CPUs in the system\n",
3646 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq);
3653 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3656 struct net_device *netdev = adapter->netdev;
3657 u8 max_hw = adapter->ahw->max_rx_ques;
3660 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3662 netdev_err(netdev, "No RSS support in INT-x mode\n");
3666 if (val > QLCNIC_MAX_SDS_RINGS) {
3667 netdev_err(netdev, "RSS value should not be higher than %u\n",
3668 QLCNIC_MAX_SDS_RINGS);
3672 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3673 num_online_cpus()));
3674 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3675 if (!is_power_of_2(val))
3676 netdev_err(netdev, "RSS value should be a power of 2\n");
3679 netdev_err(netdev, "RSS value should not be lower than 2\n");
3683 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3686 if (val > num_online_cpus())
3688 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3691 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3698 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq)
3701 struct net_device *netdev = adapter->netdev;
3704 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3707 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3709 netdev_err(netdev, "No RSS support in INT-x mode\n");
3713 netif_device_detach(netdev);
3714 if (netif_running(netdev))
3715 __qlcnic_down(adapter, netdev);
3717 qlcnic_detach(adapter);
3719 if (qlcnic_82xx_check(adapter)) {
3721 adapter->max_drv_tx_rings = txq;
3723 if (qlcnic_check_multi_tx(adapter) &&
3724 (txq > adapter->max_drv_tx_rings))
3725 num_msix = adapter->max_drv_tx_rings;
3730 if (qlcnic_83xx_check(adapter)) {
3731 qlcnic_83xx_free_mbx_intr(adapter);
3732 qlcnic_83xx_enable_mbx_poll(adapter);
3735 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings);
3737 qlcnic_teardown_intr(adapter);
3739 err = qlcnic_setup_intr(adapter, data, txq);
3741 kfree(adapter->msix_entries);
3742 netdev_err(netdev, "failed to setup interrupt\n");
3746 if (qlcnic_83xx_check(adapter)) {
3747 /* register for NIC IDC AEN Events */
3748 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3749 err = qlcnic_83xx_setup_mbx_intr(adapter);
3750 qlcnic_83xx_disable_mbx_poll(adapter);
3752 dev_err(&adapter->pdev->dev,
3753 "failed to setup mbx interrupt\n");
3758 if (netif_running(netdev)) {
3759 err = qlcnic_attach(adapter);
3762 err = __qlcnic_up(adapter, netdev);
3765 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3768 netif_device_attach(netdev);
3769 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3775 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3778 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3779 struct net_device *dev, unsigned long event)
3781 struct in_device *indev;
3783 indev = in_dev_get(dev);
3790 qlcnic_config_ipaddr(adapter,
3791 ifa->ifa_address, QLCNIC_IP_UP);
3794 qlcnic_config_ipaddr(adapter,
3795 ifa->ifa_address, QLCNIC_IP_DOWN);
3800 } endfor_ifa(indev);
3805 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3807 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3808 struct net_device *dev;
3811 qlcnic_config_indev_addr(adapter, netdev, event);
3814 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3815 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3818 qlcnic_config_indev_addr(adapter, dev, event);
3823 static int qlcnic_netdev_event(struct notifier_block *this,
3824 unsigned long event, void *ptr)
3826 struct qlcnic_adapter *adapter;
3827 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3833 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3834 dev = vlan_dev_real_dev(dev);
3838 if (!is_qlcnic_netdev(dev))
3841 adapter = netdev_priv(dev);
3846 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3849 qlcnic_config_indev_addr(adapter, dev, event);
3855 qlcnic_inetaddr_event(struct notifier_block *this,
3856 unsigned long event, void *ptr)
3858 struct qlcnic_adapter *adapter;
3859 struct net_device *dev;
3861 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3863 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3869 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3870 dev = vlan_dev_real_dev(dev);
3874 if (!is_qlcnic_netdev(dev))
3877 adapter = netdev_priv(dev);
3882 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3887 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3891 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3902 static struct notifier_block qlcnic_netdev_cb = {
3903 .notifier_call = qlcnic_netdev_event,
3906 static struct notifier_block qlcnic_inetaddr_cb = {
3907 .notifier_call = qlcnic_inetaddr_event,
3910 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3913 static const struct pci_error_handlers qlcnic_err_handler = {
3914 .error_detected = qlcnic_io_error_detected,
3915 .slot_reset = qlcnic_io_slot_reset,
3916 .resume = qlcnic_io_resume,
3919 static struct pci_driver qlcnic_driver = {
3920 .name = qlcnic_driver_name,
3921 .id_table = qlcnic_pci_tbl,
3922 .probe = qlcnic_probe,
3923 .remove = qlcnic_remove,
3925 .suspend = qlcnic_suspend,
3926 .resume = qlcnic_resume,
3928 .shutdown = qlcnic_shutdown,
3929 .err_handler = &qlcnic_err_handler,
3930 #ifdef CONFIG_QLCNIC_SRIOV
3931 .sriov_configure = qlcnic_pci_sriov_configure,
3936 static int __init qlcnic_init_module(void)
3940 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3943 register_netdevice_notifier(&qlcnic_netdev_cb);
3944 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3947 ret = pci_register_driver(&qlcnic_driver);
3950 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3951 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3958 module_init(qlcnic_init_module);
3960 static void __exit qlcnic_exit_module(void)
3962 pci_unregister_driver(&qlcnic_driver);
3965 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3966 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3970 module_exit(qlcnic_exit_module);