2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/vmalloc.h>
9 #include <linux/interrupt.h>
12 #include "qlcnic_sriov.h"
13 #include "qlcnic_hw.h"
15 #include <linux/swab.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/if_vlan.h>
19 #include <linux/ipv6.h>
20 #include <linux/inetdevice.h>
21 #include <linux/aer.h>
22 #include <linux/log2.h>
23 #include <linux/pci.h>
25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
26 MODULE_LICENSE("GPL");
27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
30 char qlcnic_driver_name[] = "qlcnic";
31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
34 static int qlcnic_mac_learn;
35 module_param(qlcnic_mac_learn, int, 0444);
36 MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
39 int qlcnic_use_msi = 1;
40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
41 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
43 int qlcnic_use_msi_x = 1;
44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
47 int qlcnic_auto_fw_reset = 1;
48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
51 int qlcnic_load_fw_file;
52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
56 static void qlcnic_remove(struct pci_dev *pdev);
57 static int qlcnic_open(struct net_device *netdev);
58 static int qlcnic_close(struct net_device *netdev);
59 static void qlcnic_tx_timeout(struct net_device *netdev);
60 static void qlcnic_attach_work(struct work_struct *work);
61 static void qlcnic_fwinit_work(struct work_struct *work);
62 #ifdef CONFIG_NET_POLL_CONTROLLER
63 static void qlcnic_poll_controller(struct net_device *netdev);
66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
70 static irqreturn_t qlcnic_intr(int irq, void *data);
71 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
72 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
76 static int qlcnic_start_firmware(struct qlcnic_adapter *);
78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
86 struct qlcnic_hardware_context *ahw = adapter->ahw;
88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
94 /* PCI Device ID Table */
95 #define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
103 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
104 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
108 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
111 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
113 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
116 static const u32 msi_tgt_status[8] = {
117 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
118 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
119 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
120 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
123 static const u32 qlcnic_reg_tbl[] = {
124 0x1B20A8, /* PEG_HALT_STAT1 */
125 0x1B20AC, /* PEG_HALT_STAT2 */
126 0x1B20B0, /* FW_HEARTBEAT */
127 0x1B2100, /* LOCK ID */
128 0x1B2128, /* FW_CAPABILITIES */
129 0x1B2138, /* drv active */
130 0x1B2140, /* dev state */
131 0x1B2144, /* drv state */
132 0x1B2148, /* drv scratch */
133 0x1B214C, /* dev partition info */
134 0x1B2174, /* drv idc ver */
135 0x1B2150, /* fw version major */
136 0x1B2154, /* fw version minor */
137 0x1B2158, /* fw version sub */
138 0x1B219C, /* npar state */
139 0x1B21FC, /* FW_IMG_VALID */
140 0x1B2250, /* CMD_PEG_STATE */
141 0x1B233C, /* RCV_PEG_STATE */
142 0x1B23B4, /* ASIC TEMP */
143 0x1B216C, /* FW api */
144 0x1B2170, /* drv op mode */
145 0x13C010, /* flash lock */
146 0x13C014, /* flash unlock */
149 static const struct qlcnic_board_info qlcnic_boards[] = {
150 { PCI_VENDOR_ID_QLOGIC,
151 PCI_DEVICE_ID_QLOGIC_QLE844X,
154 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
155 { PCI_VENDOR_ID_QLOGIC,
156 PCI_DEVICE_ID_QLOGIC_QLE834X,
157 PCI_VENDOR_ID_QLOGIC,
159 "8300 Series Dual Port 10GbE Converged Network Adapter "
160 "(TCP/IP Networking)" },
161 { PCI_VENDOR_ID_QLOGIC,
162 PCI_DEVICE_ID_QLOGIC_QLE834X,
163 PCI_VENDOR_ID_QLOGIC,
165 "8300 Series Single Port 10GbE Converged Network Adapter "
166 "(TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
177 "8300 Series Dual Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
201 "8300 Series Single Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
213 "8300 Series Dual Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 0x0, 0x0, "8300 Series 1/10GbE Controller" },
218 { PCI_VENDOR_ID_QLOGIC,
219 PCI_DEVICE_ID_QLOGIC_QLE824X,
220 PCI_VENDOR_ID_QLOGIC,
222 "8200 Series Single Port 10GbE Converged Network Adapter"
223 "(TCP/IP Networking)" },
224 { PCI_VENDOR_ID_QLOGIC,
225 PCI_DEVICE_ID_QLOGIC_QLE824X,
226 PCI_VENDOR_ID_QLOGIC,
228 "8200 Series Dual Port 10GbE Converged Network Adapter"
229 "(TCP/IP Networking)" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
234 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
235 { PCI_VENDOR_ID_QLOGIC,
236 PCI_DEVICE_ID_QLOGIC_QLE824X,
237 PCI_VENDOR_ID_QLOGIC,
239 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 PCI_VENDOR_ID_QLOGIC,
244 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
245 { PCI_VENDOR_ID_QLOGIC,
246 PCI_DEVICE_ID_QLOGIC_QLE824X,
248 "NC523SFP 10Gb 2-port Server Adapter" },
249 { PCI_VENDOR_ID_QLOGIC,
250 PCI_DEVICE_ID_QLOGIC_QLE824X,
252 "CN1000Q Dual Port Converged Network Adapter" },
253 { PCI_VENDOR_ID_QLOGIC,
254 PCI_DEVICE_ID_QLOGIC_QLE824X,
255 PCI_VENDOR_ID_QLOGIC,
257 "QME8242-k 10GbE Dual Port Mezzanine Card" },
258 { PCI_VENDOR_ID_QLOGIC,
259 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
263 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
266 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
268 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
270 int size = sizeof(struct qlcnic_host_sds_ring) * count;
272 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
274 return recv_ctx->sds_rings == NULL;
277 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
279 if (recv_ctx->sds_rings != NULL)
280 kfree(recv_ctx->sds_rings);
282 recv_ctx->sds_rings = NULL;
285 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
287 struct net_device *netdev = adapter->netdev;
288 struct pci_dev *pdev = adapter->pdev;
289 u8 mac_addr[ETH_ALEN];
292 ret = qlcnic_get_mac_address(adapter, mac_addr,
293 adapter->ahw->pci_func);
297 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
298 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
300 /* set station address */
302 if (!is_valid_ether_addr(netdev->dev_addr))
303 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
309 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
311 struct qlcnic_mac_list_s *cur;
312 struct list_head *head;
314 list_for_each(head, &adapter->mac_list) {
315 cur = list_entry(head, struct qlcnic_mac_list_s, list);
316 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) {
317 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
319 list_del(&cur->list);
326 static int qlcnic_set_mac(struct net_device *netdev, void *p)
328 struct qlcnic_adapter *adapter = netdev_priv(netdev);
329 struct sockaddr *addr = p;
331 if (qlcnic_sriov_vf_check(adapter))
334 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
337 if (!is_valid_ether_addr(addr->sa_data))
340 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN))
343 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
344 netif_device_detach(netdev);
345 qlcnic_napi_disable(adapter);
348 qlcnic_delete_adapter_mac(adapter);
349 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
350 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
351 qlcnic_set_multi(adapter->netdev);
353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
354 netif_device_attach(netdev);
355 qlcnic_napi_enable(adapter);
360 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
361 struct net_device *netdev, const unsigned char *addr)
363 struct qlcnic_adapter *adapter = netdev_priv(netdev);
364 int err = -EOPNOTSUPP;
366 if (!adapter->fdb_mac_learn)
367 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
369 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
370 if (is_unicast_ether_addr(addr)) {
371 err = dev_uc_del(netdev, addr);
373 err = qlcnic_nic_del_mac(adapter, addr);
374 } else if (is_multicast_ether_addr(addr)) {
375 err = dev_mc_del(netdev, addr);
383 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
384 struct net_device *netdev,
385 const unsigned char *addr, u16 flags)
387 struct qlcnic_adapter *adapter = netdev_priv(netdev);
390 if (!adapter->fdb_mac_learn)
391 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
393 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
394 pr_info("%s: FDB e-switch is not enabled\n", __func__);
398 if (ether_addr_equal(addr, adapter->mac_addr))
401 if (is_unicast_ether_addr(addr)) {
402 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
403 err = dev_uc_add_excl(netdev, addr);
406 } else if (is_multicast_ether_addr(addr)) {
407 err = dev_mc_add_excl(netdev, addr);
415 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
416 struct net_device *netdev, int idx)
418 struct qlcnic_adapter *adapter = netdev_priv(netdev);
420 if (!adapter->fdb_mac_learn)
421 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
423 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
424 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
429 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
431 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
432 usleep_range(10000, 11000);
434 if (!adapter->fw_work.work.func)
437 cancel_delayed_work_sync(&adapter->fw_work);
440 static int qlcnic_get_phys_port_id(struct net_device *netdev,
441 struct netdev_phys_port_id *ppid)
443 struct qlcnic_adapter *adapter = netdev_priv(netdev);
444 struct qlcnic_hardware_context *ahw = adapter->ahw;
446 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
449 ppid->id_len = sizeof(ahw->phys_port_id);
450 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
455 static const struct net_device_ops qlcnic_netdev_ops = {
456 .ndo_open = qlcnic_open,
457 .ndo_stop = qlcnic_close,
458 .ndo_start_xmit = qlcnic_xmit_frame,
459 .ndo_get_stats = qlcnic_get_stats,
460 .ndo_validate_addr = eth_validate_addr,
461 .ndo_set_rx_mode = qlcnic_set_multi,
462 .ndo_set_mac_address = qlcnic_set_mac,
463 .ndo_change_mtu = qlcnic_change_mtu,
464 .ndo_fix_features = qlcnic_fix_features,
465 .ndo_set_features = qlcnic_set_features,
466 .ndo_tx_timeout = qlcnic_tx_timeout,
467 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
468 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
469 .ndo_fdb_add = qlcnic_fdb_add,
470 .ndo_fdb_del = qlcnic_fdb_del,
471 .ndo_fdb_dump = qlcnic_fdb_dump,
472 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
473 #ifdef CONFIG_NET_POLL_CONTROLLER
474 .ndo_poll_controller = qlcnic_poll_controller,
476 #ifdef CONFIG_QLCNIC_SRIOV
477 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
478 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
479 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
480 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
481 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
485 static const struct net_device_ops qlcnic_netdev_failed_ops = {
486 .ndo_open = qlcnic_open,
489 static struct qlcnic_nic_template qlcnic_ops = {
490 .config_bridged_mode = qlcnic_config_bridged_mode,
491 .config_led = qlcnic_82xx_config_led,
492 .start_firmware = qlcnic_82xx_start_firmware,
493 .request_reset = qlcnic_82xx_dev_request_reset,
494 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
495 .napi_add = qlcnic_82xx_napi_add,
496 .napi_del = qlcnic_82xx_napi_del,
497 .config_ipaddr = qlcnic_82xx_config_ipaddr,
498 .shutdown = qlcnic_82xx_shutdown,
499 .resume = qlcnic_82xx_resume,
500 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
503 struct qlcnic_nic_template qlcnic_vf_ops = {
504 .config_bridged_mode = qlcnicvf_config_bridged_mode,
505 .config_led = qlcnicvf_config_led,
506 .start_firmware = qlcnicvf_start_firmware
509 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
510 .read_crb = qlcnic_82xx_read_crb,
511 .write_crb = qlcnic_82xx_write_crb,
512 .read_reg = qlcnic_82xx_hw_read_wx_2M,
513 .write_reg = qlcnic_82xx_hw_write_wx_2M,
514 .get_mac_address = qlcnic_82xx_get_mac_address,
515 .setup_intr = qlcnic_82xx_setup_intr,
516 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
517 .mbx_cmd = qlcnic_82xx_issue_cmd,
518 .get_func_no = qlcnic_82xx_get_func_no,
519 .api_lock = qlcnic_82xx_api_lock,
520 .api_unlock = qlcnic_82xx_api_unlock,
521 .add_sysfs = qlcnic_82xx_add_sysfs,
522 .remove_sysfs = qlcnic_82xx_remove_sysfs,
523 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
524 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
525 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
526 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
527 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
528 .setup_link_event = qlcnic_82xx_linkevent_request,
529 .get_nic_info = qlcnic_82xx_get_nic_info,
530 .get_pci_info = qlcnic_82xx_get_pci_info,
531 .set_nic_info = qlcnic_82xx_set_nic_info,
532 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
533 .napi_enable = qlcnic_82xx_napi_enable,
534 .napi_disable = qlcnic_82xx_napi_disable,
535 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
536 .config_rss = qlcnic_82xx_config_rss,
537 .config_hw_lro = qlcnic_82xx_config_hw_lro,
538 .config_loopback = qlcnic_82xx_set_lb_mode,
539 .clear_loopback = qlcnic_82xx_clear_lb_mode,
540 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
541 .change_l2_filter = qlcnic_82xx_change_filter,
542 .get_board_info = qlcnic_82xx_get_board_info,
543 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
544 .free_mac_list = qlcnic_82xx_free_mac_list,
545 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
546 .io_error_detected = qlcnic_82xx_io_error_detected,
547 .io_slot_reset = qlcnic_82xx_io_slot_reset,
548 .io_resume = qlcnic_82xx_io_resume,
551 static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter)
553 struct qlcnic_hardware_context *ahw = adapter->ahw;
556 if (ahw->msix_supported &&
557 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
558 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS,
561 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE,
563 adapter->max_drv_tx_rings = num_tx_q;
566 adapter->max_drv_tx_rings = 1;
570 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
572 struct pci_dev *pdev = adapter->pdev;
573 int max_tx_rings, max_sds_rings, tx_vector;
576 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
580 max_tx_rings = adapter->max_drv_tx_rings;
584 if (!adapter->msix_entries) {
585 adapter->msix_entries = kcalloc(num_msix,
586 sizeof(struct msix_entry),
588 if (!adapter->msix_entries)
592 adapter->max_sds_rings = 1;
593 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
595 if (adapter->ahw->msix_supported) {
597 for (i = 0; i < num_msix; i++)
598 adapter->msix_entries[i].entry = i;
599 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
601 adapter->flags |= QLCNIC_MSIX_ENABLED;
602 if (qlcnic_83xx_check(adapter)) {
603 adapter->ahw->num_msix = num_msix;
604 /* subtract mail box and tx ring vectors */
605 adapter->max_sds_rings = num_msix -
608 adapter->ahw->num_msix = num_msix;
609 if (qlcnic_check_multi_tx(adapter) &&
610 !adapter->ahw->diag_test &&
611 (adapter->max_drv_tx_rings > 1))
612 max_sds_rings = num_msix - max_tx_rings;
614 max_sds_rings = num_msix;
616 adapter->max_sds_rings = max_sds_rings;
618 dev_info(&pdev->dev, "using msi-x interrupts\n");
620 } else if (err > 0) {
622 "Unable to allocate %d MSI-X interrupt vectors\n",
624 if (qlcnic_83xx_check(adapter)) {
625 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
627 err -= (max_tx_rings + 1);
628 num_msix = rounddown_pow_of_two(err);
629 num_msix += (max_tx_rings + 1);
631 num_msix = rounddown_pow_of_two(err);
632 if (qlcnic_check_multi_tx(adapter))
633 num_msix += max_tx_rings;
638 "Trying to allocate %d MSI-X interrupt vectors\n",
644 "Unable to allocate %d MSI-X interrupt vectors\n",
652 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
655 u32 offset, mask_reg;
656 const struct qlcnic_legacy_intr_set *legacy_intrp;
657 struct qlcnic_hardware_context *ahw = adapter->ahw;
658 struct pci_dev *pdev = adapter->pdev;
660 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
661 adapter->flags |= QLCNIC_MSI_ENABLED;
662 offset = msi_tgt_status[adapter->ahw->pci_func];
663 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
665 dev_info(&pdev->dev, "using msi interrupts\n");
666 adapter->msix_entries[0].vector = pdev->irq;
670 if (qlcnic_use_msi || qlcnic_use_msi_x)
673 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
674 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
675 offset = legacy_intrp->tgt_status_reg;
676 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
677 mask_reg = legacy_intrp->tgt_mask_reg;
678 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
679 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
680 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
681 dev_info(&pdev->dev, "using legacy interrupts\n");
682 adapter->msix_entries[0].vector = pdev->irq;
686 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr, int txq)
688 struct qlcnic_hardware_context *ahw = adapter->ahw;
689 int num_msix, err = 0;
692 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
694 if (ahw->msix_supported) {
695 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
697 if (qlcnic_check_multi_tx(adapter)) {
699 adapter->max_drv_tx_rings = txq;
700 num_msix += adapter->max_drv_tx_rings;
706 err = qlcnic_enable_msix(adapter, num_msix);
710 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
711 qlcnic_disable_multi_tx(adapter);
713 err = qlcnic_enable_msi_legacy(adapter);
721 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
723 struct qlcnic_hardware_context *ahw = adapter->ahw;
726 if (qlcnic_check_multi_tx(adapter) &&
728 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
729 ahw->intr_tbl = vzalloc(ahw->num_msix *
730 sizeof(struct qlcnic_intrpt_config));
734 for (i = 0; i < ahw->num_msix; i++) {
735 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
736 ahw->intr_tbl[i].id = i;
737 ahw->intr_tbl[i].src = 0;
740 err = qlcnic_82xx_config_intrpt(adapter, 1);
742 dev_err(&adapter->pdev->dev,
743 "Failed to configure Interrupt for %d vector\n",
751 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
753 if (adapter->flags & QLCNIC_MSIX_ENABLED)
754 pci_disable_msix(adapter->pdev);
755 if (adapter->flags & QLCNIC_MSI_ENABLED)
756 pci_disable_msi(adapter->pdev);
758 kfree(adapter->msix_entries);
759 adapter->msix_entries = NULL;
761 if (adapter->ahw->intr_tbl) {
762 vfree(adapter->ahw->intr_tbl);
763 adapter->ahw->intr_tbl = NULL;
767 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
769 if (ahw->pci_base0 != NULL)
770 iounmap(ahw->pci_base0);
773 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
775 struct qlcnic_pci_info *pci_info;
778 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
779 switch (adapter->ahw->port_type) {
781 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
784 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
790 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
793 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
797 ret = qlcnic_get_pci_info(adapter, pci_info);
802 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
806 if (qlcnic_84xx_check(adapter)) {
808 } else if (qlcnic_83xx_check(adapter)) {
809 if (adapter->ahw->extra_capability[0] &
810 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
819 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
821 struct qlcnic_pci_info *pci_info;
822 int i, id = 0, ret = 0, j = 0;
826 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
830 ret = qlcnic_get_pci_info(adapter, pci_info);
834 act_pci_func = adapter->ahw->act_pci_func;
836 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
837 act_pci_func, GFP_KERNEL);
838 if (!adapter->npars) {
843 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
844 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
845 if (!adapter->eswitch) {
850 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
851 pfn = pci_info[i].id;
853 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
854 ret = QL_STATUS_INVALID_PARAM;
858 if (!pci_info[i].active ||
859 (pci_info[i].type != QLCNIC_TYPE_NIC))
862 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
863 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
865 adapter->npars[j].eswitch_status = true;
869 adapter->npars[j].eswitch_status = true;
872 adapter->npars[j].pci_func = pfn;
873 adapter->npars[j].active = (u8)pci_info[i].active;
874 adapter->npars[j].type = (u8)pci_info[i].type;
875 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
876 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
877 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
879 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
883 /* Update eSwitch status for adapters without per port eSwitch
884 * configuration capability
886 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
887 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
888 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
895 kfree(adapter->eswitch);
896 adapter->eswitch = NULL;
898 kfree(adapter->npars);
899 adapter->npars = NULL;
907 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
911 u32 data = QLCNIC_MGMT_FUNC;
912 struct qlcnic_hardware_context *ahw = adapter->ahw;
914 ret = qlcnic_api_lock(adapter);
919 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
920 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
921 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
922 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
923 qlcnic_api_unlock(adapter);
928 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
929 const struct pci_device_id *ent)
931 u32 op_mode, priv_level;
933 /* Determine FW API version */
934 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
937 /* Find PCI function number */
938 qlcnic_get_func_no(adapter);
940 /* Determine function privilege level */
941 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
942 if (op_mode == QLC_DEV_DRV_DEFAULT)
943 priv_level = QLCNIC_MGMT_FUNC;
945 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
947 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
948 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
949 dev_info(&adapter->pdev->dev,
950 "HAL Version: %d Non Privileged function\n",
951 adapter->ahw->fw_hal_version);
952 adapter->nic_ops = &qlcnic_vf_ops;
954 adapter->nic_ops = &qlcnic_ops;
957 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
958 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
959 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
962 case PCI_DEVICE_ID_QLOGIC_QLE824X:
963 *bar = QLCNIC_82XX_BAR0_LENGTH;
965 case PCI_DEVICE_ID_QLOGIC_QLE834X:
966 case PCI_DEVICE_ID_QLOGIC_QLE844X:
967 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
968 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
969 *bar = QLCNIC_83XX_BAR0_LENGTH;
976 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
977 struct qlcnic_hardware_context *ahw)
980 void __iomem *mem_ptr0 = NULL;
981 unsigned long mem_len, pci_len0 = 0, bar0_len;
983 /* remap phys address */
984 mem_len = pci_resource_len(pdev, 0);
986 qlcnic_get_bar_length(pdev->device, &bar0_len);
987 if (mem_len >= bar0_len) {
989 mem_ptr0 = pci_ioremap_bar(pdev, 0);
990 if (mem_ptr0 == NULL) {
991 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
999 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1001 ahw->pci_base0 = mem_ptr0;
1002 ahw->pci_len0 = pci_len0;
1003 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1004 qlcnic_get_ioaddr(ahw, offset);
1009 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1012 struct pci_dev *pdev = adapter->pdev;
1013 unsigned short subsystem_vendor;
1016 subsystem_vendor = pdev->subsystem_vendor;
1018 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1019 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1020 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1021 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1030 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1032 struct pci_dev *pdev = adapter->pdev;
1035 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1036 if (qlcnic_boards[i].vendor == pdev->vendor &&
1037 qlcnic_boards[i].device == pdev->device &&
1038 qlcnic_validate_subsystem_id(adapter, i)) {
1045 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1047 sprintf(name, "%pM: %s" , adapter->mac_addr,
1048 qlcnic_boards[i].short_name);
1052 qlcnic_check_options(struct qlcnic_adapter *adapter)
1055 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1056 struct pci_dev *pdev = adapter->pdev;
1057 struct qlcnic_hardware_context *ahw = adapter->ahw;
1058 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1060 prev_fw_version = adapter->fw_version;
1062 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1063 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1064 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1066 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1068 err = qlcnic_get_board_info(adapter);
1070 dev_err(&pdev->dev, "Error getting board config info.\n");
1073 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1074 if (fw_dump->tmpl_hdr == NULL ||
1075 adapter->fw_version > prev_fw_version) {
1076 if (fw_dump->tmpl_hdr)
1077 vfree(fw_dump->tmpl_hdr);
1078 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1079 dev_info(&pdev->dev,
1080 "Supports FW dump capability\n");
1084 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1085 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1087 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1088 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1089 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1090 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1092 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1093 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1096 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1097 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1099 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1100 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1101 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1102 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1103 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1106 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1108 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1110 adapter->max_rds_rings = MAX_RDS_RINGS;
1114 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1116 struct qlcnic_info nic_info;
1119 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1120 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1124 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1125 adapter->ahw->switch_mode = nic_info.switch_mode;
1126 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1127 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1128 adapter->ahw->capabilities = nic_info.capabilities;
1130 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1132 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1135 adapter->ahw->extra_capability[0] = temp;
1137 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1138 adapter->ahw->max_mtu = nic_info.max_mtu;
1140 /* Disable NPAR for 83XX */
1141 if (qlcnic_83xx_check(adapter))
1144 if (adapter->ahw->capabilities & BIT_6)
1145 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1147 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1152 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1153 struct qlcnic_esw_func_cfg *esw_cfg)
1155 if (esw_cfg->discard_tagged)
1156 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1158 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1160 if (esw_cfg->vlan_id) {
1161 adapter->rx_pvid = esw_cfg->vlan_id;
1162 adapter->tx_pvid = esw_cfg->vlan_id;
1164 adapter->rx_pvid = 0;
1165 adapter->tx_pvid = 0;
1170 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1172 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1175 if (qlcnic_sriov_vf_check(adapter)) {
1176 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1179 "Cannot add VLAN filter for VLAN id %d, err=%d",
1185 set_bit(vid, adapter->vlans);
1190 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1192 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1195 if (qlcnic_sriov_vf_check(adapter)) {
1196 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1199 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1205 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1206 clear_bit(vid, adapter->vlans);
1210 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1211 struct qlcnic_esw_func_cfg *esw_cfg)
1213 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1214 QLCNIC_PROMISC_DISABLED);
1216 if (esw_cfg->mac_anti_spoof)
1217 adapter->flags |= QLCNIC_MACSPOOF;
1219 if (!esw_cfg->mac_override)
1220 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1222 if (!esw_cfg->promisc_mode)
1223 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1226 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1228 struct qlcnic_esw_func_cfg esw_cfg;
1230 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1233 esw_cfg.pci_func = adapter->ahw->pci_func;
1234 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1236 qlcnic_set_vlan_config(adapter, &esw_cfg);
1237 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1238 qlcnic_set_netdev_features(adapter, &esw_cfg);
1243 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1244 struct qlcnic_esw_func_cfg *esw_cfg)
1246 struct net_device *netdev = adapter->netdev;
1248 if (qlcnic_83xx_check(adapter))
1251 adapter->offload_flags = esw_cfg->offload_flags;
1252 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1253 netdev_update_features(netdev);
1254 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1258 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1260 u32 op_mode, priv_level;
1263 err = qlcnic_initialize_nic(adapter);
1267 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1270 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1271 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1273 if (op_mode == QLC_DEV_DRV_DEFAULT)
1274 priv_level = QLCNIC_MGMT_FUNC;
1276 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1278 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1279 if (priv_level == QLCNIC_MGMT_FUNC) {
1280 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1281 err = qlcnic_init_pci_info(adapter);
1284 /* Set privilege level for other functions */
1285 qlcnic_set_function_modes(adapter);
1286 dev_info(&adapter->pdev->dev,
1287 "HAL Version: %d, Management function\n",
1288 adapter->ahw->fw_hal_version);
1289 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1290 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1291 dev_info(&adapter->pdev->dev,
1292 "HAL Version: %d, Privileged function\n",
1293 adapter->ahw->fw_hal_version);
1297 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1302 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1304 struct qlcnic_esw_func_cfg esw_cfg;
1305 struct qlcnic_npar_info *npar;
1308 if (adapter->need_fw_reset)
1311 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1312 if (!adapter->npars[i].eswitch_status)
1315 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1316 esw_cfg.pci_func = adapter->npars[i].pci_func;
1317 esw_cfg.mac_override = BIT_0;
1318 esw_cfg.promisc_mode = BIT_0;
1319 if (qlcnic_82xx_check(adapter)) {
1320 esw_cfg.offload_flags = BIT_0;
1321 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1322 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1324 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1326 npar = &adapter->npars[i];
1327 npar->pvid = esw_cfg.vlan_id;
1328 npar->mac_override = esw_cfg.mac_override;
1329 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1330 npar->discard_tagged = esw_cfg.discard_tagged;
1331 npar->promisc_mode = esw_cfg.promisc_mode;
1332 npar->offload_flags = esw_cfg.offload_flags;
1340 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1341 struct qlcnic_npar_info *npar, int pci_func)
1343 struct qlcnic_esw_func_cfg esw_cfg;
1344 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1345 esw_cfg.pci_func = pci_func;
1346 esw_cfg.vlan_id = npar->pvid;
1347 esw_cfg.mac_override = npar->mac_override;
1348 esw_cfg.discard_tagged = npar->discard_tagged;
1349 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1350 esw_cfg.offload_flags = npar->offload_flags;
1351 esw_cfg.promisc_mode = npar->promisc_mode;
1352 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1355 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1356 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1362 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1365 struct qlcnic_npar_info *npar;
1366 struct qlcnic_info nic_info;
1369 if (qlcnic_82xx_check(adapter))
1370 if (!adapter->need_fw_reset)
1373 /* Set the NPAR config data after FW reset */
1374 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1375 npar = &adapter->npars[i];
1376 pci_func = npar->pci_func;
1377 if (!adapter->npars[i].eswitch_status)
1380 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1381 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1384 nic_info.min_tx_bw = npar->min_bw;
1385 nic_info.max_tx_bw = npar->max_bw;
1386 err = qlcnic_set_nic_info(adapter, &nic_info);
1390 if (npar->enable_pm) {
1391 err = qlcnic_config_port_mirroring(adapter,
1397 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1404 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1406 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1409 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1412 npar_state = QLC_SHARED_REG_RD32(adapter,
1413 QLCNIC_CRB_DEV_NPAR_STATE);
1414 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1416 npar_state = QLC_SHARED_REG_RD32(adapter,
1417 QLCNIC_CRB_DEV_NPAR_STATE);
1419 if (!npar_opt_timeo) {
1420 dev_err(&adapter->pdev->dev,
1421 "Waiting for NPAR state to operational timeout\n");
1428 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1432 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1433 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1436 err = qlcnic_set_default_offload_settings(adapter);
1440 err = qlcnic_reset_npar_config(adapter);
1444 qlcnic_dev_set_npar_ready(adapter);
1449 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1453 err = qlcnic_can_start_firmware(adapter);
1457 goto check_fw_status;
1459 if (qlcnic_load_fw_file)
1460 qlcnic_request_firmware(adapter);
1462 err = qlcnic_check_flash_fw_ver(adapter);
1466 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1469 err = qlcnic_need_fw_reset(adapter);
1471 goto check_fw_status;
1473 err = qlcnic_pinit_from_rom(adapter);
1477 err = qlcnic_load_firmware(adapter);
1481 qlcnic_release_firmware(adapter);
1482 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1485 err = qlcnic_check_fw_status(adapter);
1489 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1490 qlcnic_idc_debug_info(adapter, 1);
1491 err = qlcnic_check_eswitch_mode(adapter);
1493 dev_err(&adapter->pdev->dev,
1494 "Memory allocation failed for eswitch\n");
1497 err = qlcnic_set_mgmt_operations(adapter);
1501 qlcnic_check_options(adapter);
1502 adapter->need_fw_reset = 0;
1504 qlcnic_release_firmware(adapter);
1508 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1509 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1511 qlcnic_release_firmware(adapter);
1516 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1518 irq_handler_t handler;
1519 struct qlcnic_host_sds_ring *sds_ring;
1520 struct qlcnic_host_tx_ring *tx_ring;
1521 int err, ring, num_sds_rings;
1523 unsigned long flags = 0;
1524 struct net_device *netdev = adapter->netdev;
1525 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1527 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1528 if (qlcnic_82xx_check(adapter))
1529 handler = qlcnic_tmp_intr;
1531 handler = qlcnic_83xx_tmp_intr;
1532 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1533 flags |= IRQF_SHARED;
1536 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1537 handler = qlcnic_msix_intr;
1538 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1539 handler = qlcnic_msi_intr;
1541 flags |= IRQF_SHARED;
1542 if (qlcnic_82xx_check(adapter))
1543 handler = qlcnic_intr;
1545 handler = qlcnic_83xx_intr;
1548 adapter->irq = netdev->irq;
1550 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1551 if (qlcnic_82xx_check(adapter) ||
1552 (qlcnic_83xx_check(adapter) &&
1553 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1554 num_sds_rings = adapter->max_sds_rings;
1555 for (ring = 0; ring < num_sds_rings; ring++) {
1556 sds_ring = &recv_ctx->sds_rings[ring];
1557 if (qlcnic_82xx_check(adapter) &&
1558 !qlcnic_check_multi_tx(adapter) &&
1559 (ring == (num_sds_rings - 1))) {
1560 if (!(adapter->flags &
1561 QLCNIC_MSIX_ENABLED))
1562 snprintf(sds_ring->name,
1563 sizeof(sds_ring->name),
1566 snprintf(sds_ring->name,
1567 sizeof(sds_ring->name),
1569 netdev->name, ring);
1571 snprintf(sds_ring->name,
1572 sizeof(sds_ring->name),
1574 netdev->name, ring);
1576 err = request_irq(sds_ring->irq, handler, flags,
1577 sds_ring->name, sds_ring);
1582 if ((qlcnic_82xx_check(adapter) &&
1583 qlcnic_check_multi_tx(adapter)) ||
1584 (qlcnic_83xx_check(adapter) &&
1585 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1586 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1587 handler = qlcnic_msix_tx_intr;
1588 for (ring = 0; ring < adapter->max_drv_tx_rings;
1590 tx_ring = &adapter->tx_ring[ring];
1591 snprintf(tx_ring->name, sizeof(tx_ring->name),
1592 "%s-tx-%d", netdev->name, ring);
1593 err = request_irq(tx_ring->irq, handler, flags,
1594 tx_ring->name, tx_ring);
1604 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1607 struct qlcnic_host_sds_ring *sds_ring;
1608 struct qlcnic_host_tx_ring *tx_ring;
1610 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1612 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1613 if (qlcnic_82xx_check(adapter) ||
1614 (qlcnic_83xx_check(adapter) &&
1615 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1616 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1617 sds_ring = &recv_ctx->sds_rings[ring];
1618 free_irq(sds_ring->irq, sds_ring);
1621 if ((qlcnic_83xx_check(adapter) &&
1622 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1623 (qlcnic_82xx_check(adapter) &&
1624 qlcnic_check_multi_tx(adapter))) {
1625 for (ring = 0; ring < adapter->max_drv_tx_rings;
1627 tx_ring = &adapter->tx_ring[ring];
1629 free_irq(tx_ring->irq, tx_ring);
1635 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1639 if (qlcnic_82xx_check(adapter)) {
1640 if (adapter->ahw->extra_capability[0] &
1641 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1642 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1644 capab = adapter->ahw->capabilities;
1645 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1646 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1650 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1653 struct qlcnic_host_rds_ring *rds_ring;
1655 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1658 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1661 if (qlcnic_set_eswitch_port_config(adapter))
1664 qlcnic_get_lro_mss_capability(adapter);
1666 if (qlcnic_fw_create_ctx(adapter))
1669 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1670 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1671 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1674 qlcnic_set_multi(netdev);
1675 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1677 adapter->ahw->linkup = 0;
1679 if (adapter->max_sds_rings > 1)
1680 qlcnic_config_rss(adapter, 1);
1682 qlcnic_config_intr_coalesce(adapter);
1684 if (netdev->features & NETIF_F_LRO)
1685 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1687 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1688 qlcnic_napi_enable(adapter);
1690 qlcnic_linkevent_request(adapter, 1);
1692 adapter->ahw->reset_context = 0;
1696 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1701 if (netif_running(netdev))
1702 err = __qlcnic_up(adapter, netdev);
1708 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1712 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1715 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1718 if (qlcnic_sriov_vf_check(adapter))
1719 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1721 netif_carrier_off(netdev);
1722 adapter->ahw->linkup = 0;
1723 netif_tx_disable(netdev);
1725 qlcnic_free_mac_list(adapter);
1727 if (adapter->fhash.fnum)
1728 qlcnic_delete_lb_filters(adapter);
1730 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1732 qlcnic_napi_disable(adapter);
1734 qlcnic_fw_destroy_ctx(adapter);
1735 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1737 qlcnic_reset_rx_buffers_list(adapter);
1739 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1740 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1743 /* Usage: During suspend and firmware recovery module */
1745 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1748 if (netif_running(netdev))
1749 __qlcnic_down(adapter, netdev);
1755 qlcnic_attach(struct qlcnic_adapter *adapter)
1757 struct net_device *netdev = adapter->netdev;
1758 struct pci_dev *pdev = adapter->pdev;
1761 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1764 err = qlcnic_napi_add(adapter, netdev);
1768 err = qlcnic_alloc_sw_resources(adapter);
1770 dev_err(&pdev->dev, "Error in setting sw resources\n");
1771 goto err_out_napi_del;
1774 err = qlcnic_alloc_hw_resources(adapter);
1776 dev_err(&pdev->dev, "Error in setting hw resources\n");
1777 goto err_out_free_sw;
1780 err = qlcnic_request_irq(adapter);
1782 dev_err(&pdev->dev, "failed to setup interrupt\n");
1783 goto err_out_free_hw;
1786 qlcnic_create_sysfs_entries(adapter);
1788 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1792 qlcnic_free_hw_resources(adapter);
1794 qlcnic_free_sw_resources(adapter);
1796 qlcnic_napi_del(adapter);
1800 void qlcnic_detach(struct qlcnic_adapter *adapter)
1802 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1805 qlcnic_remove_sysfs_entries(adapter);
1807 qlcnic_free_hw_resources(adapter);
1808 qlcnic_release_rx_buffers(adapter);
1809 qlcnic_free_irq(adapter);
1810 qlcnic_napi_del(adapter);
1811 qlcnic_free_sw_resources(adapter);
1816 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1818 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1819 struct qlcnic_host_sds_ring *sds_ring;
1820 int max_tx_rings = adapter->max_drv_tx_rings;
1823 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1824 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1825 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1826 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1827 qlcnic_disable_int(sds_ring);
1831 qlcnic_fw_destroy_ctx(adapter);
1833 qlcnic_detach(adapter);
1835 adapter->ahw->diag_test = 0;
1836 adapter->max_sds_rings = max_sds_rings;
1837 adapter->max_drv_tx_rings = max_tx_rings;
1839 if (qlcnic_attach(adapter))
1842 if (netif_running(netdev))
1843 __qlcnic_up(adapter, netdev);
1845 netif_device_attach(netdev);
1848 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1850 struct qlcnic_hardware_context *ahw = adapter->ahw;
1853 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1855 if (!adapter->recv_ctx) {
1859 /* Initialize interrupt coalesce parameters */
1860 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1861 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1862 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1863 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1864 if (qlcnic_83xx_check(adapter)) {
1865 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1866 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1869 memset(&adapter->stats, 0, sizeof(adapter->stats));
1874 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1876 kfree(adapter->recv_ctx);
1877 adapter->recv_ctx = NULL;
1879 if (adapter->ahw->fw_dump.tmpl_hdr) {
1880 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1881 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1884 kfree(adapter->ahw->reset.buff);
1885 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1888 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1890 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1891 struct qlcnic_host_sds_ring *sds_ring;
1892 struct qlcnic_host_rds_ring *rds_ring;
1896 netif_device_detach(netdev);
1898 if (netif_running(netdev))
1899 __qlcnic_down(adapter, netdev);
1901 qlcnic_detach(adapter);
1903 adapter->max_sds_rings = 1;
1904 adapter->ahw->diag_test = test;
1905 adapter->ahw->linkup = 0;
1906 adapter->max_drv_tx_rings = 1;
1908 ret = qlcnic_attach(adapter);
1910 netif_device_attach(netdev);
1914 ret = qlcnic_fw_create_ctx(adapter);
1916 qlcnic_detach(adapter);
1917 netif_device_attach(netdev);
1921 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1922 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1923 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1926 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1927 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1928 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1929 qlcnic_enable_int(sds_ring);
1933 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1934 adapter->ahw->loopback_state = 0;
1935 qlcnic_linkevent_request(adapter, 1);
1938 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1943 /* Reset context in hardware only */
1945 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1947 struct net_device *netdev = adapter->netdev;
1949 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1952 netif_device_detach(netdev);
1954 qlcnic_down(adapter, netdev);
1956 qlcnic_up(adapter, netdev);
1958 netif_device_attach(netdev);
1960 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1961 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1966 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1969 struct net_device *netdev = adapter->netdev;
1971 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1974 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1976 netif_device_detach(netdev);
1978 if (netif_running(netdev))
1979 __qlcnic_down(adapter, netdev);
1981 qlcnic_detach(adapter);
1983 if (netif_running(netdev)) {
1984 err = qlcnic_attach(adapter);
1986 __qlcnic_up(adapter, netdev);
1987 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1991 netif_device_attach(netdev);
1994 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1998 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2000 struct qlcnic_hardware_context *ahw = adapter->ahw;
2001 u16 act_pci_fn = ahw->act_pci_func;
2004 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2005 if (act_pci_fn <= 2)
2006 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2009 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2011 ahw->max_uc_count = count;
2015 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2019 struct pci_dev *pdev = adapter->pdev;
2021 adapter->rx_csum = 1;
2022 adapter->ahw->mc_enabled = 0;
2023 qlcnic_set_mac_filter_count(adapter);
2025 netdev->netdev_ops = &qlcnic_netdev_ops;
2026 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2028 qlcnic_change_mtu(netdev, netdev->mtu);
2030 if (qlcnic_sriov_vf_check(adapter))
2031 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2033 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2035 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2036 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2037 NETIF_F_HW_VLAN_CTAG_RX);
2038 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2041 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2042 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2043 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2046 if (pci_using_dac) {
2047 netdev->features |= NETIF_F_HIGHDMA;
2048 netdev->vlan_features |= NETIF_F_HIGHDMA;
2051 if (qlcnic_vlan_tx_check(adapter))
2052 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2054 if (qlcnic_sriov_vf_check(adapter))
2055 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2057 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2058 netdev->features |= NETIF_F_LRO;
2060 netdev->hw_features = netdev->features;
2061 netdev->priv_flags |= IFF_UNICAST_FLT;
2062 netdev->irq = adapter->msix_entries[0].vector;
2064 err = qlcnic_set_real_num_queues(adapter, netdev);
2068 err = register_netdev(netdev);
2070 dev_err(&pdev->dev, "failed to register net device\n");
2074 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2079 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2081 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2082 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2084 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2085 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2088 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2095 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2098 struct qlcnic_host_tx_ring *tx_ring;
2100 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2101 tx_ring = &adapter->tx_ring[ring];
2102 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2103 vfree(tx_ring->cmd_buf_arr);
2104 tx_ring->cmd_buf_arr = NULL;
2107 if (adapter->tx_ring != NULL)
2108 kfree(adapter->tx_ring);
2111 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2112 struct net_device *netdev)
2114 int ring, vector, index;
2115 struct qlcnic_host_tx_ring *tx_ring;
2116 struct qlcnic_cmd_buffer *cmd_buf_arr;
2118 tx_ring = kcalloc(adapter->max_drv_tx_rings,
2119 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2120 if (tx_ring == NULL)
2123 adapter->tx_ring = tx_ring;
2125 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2126 tx_ring = &adapter->tx_ring[ring];
2127 tx_ring->num_desc = adapter->num_txd;
2128 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2129 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2130 if (cmd_buf_arr == NULL) {
2131 qlcnic_free_tx_rings(adapter);
2134 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2135 tx_ring->cmd_buf_arr = cmd_buf_arr;
2138 if (qlcnic_83xx_check(adapter) ||
2139 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2140 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2141 tx_ring = &adapter->tx_ring[ring];
2142 tx_ring->adapter = adapter;
2143 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2144 index = adapter->max_sds_rings + ring;
2145 vector = adapter->msix_entries[index].vector;
2146 tx_ring->irq = vector;
2154 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2156 struct qlcnic_hardware_context *ahw = adapter->ahw;
2159 if (qlcnic_82xx_check(adapter))
2160 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2161 else if (qlcnic_83xx_check(adapter))
2162 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2164 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2165 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2166 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2170 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2172 struct net_device *netdev = NULL;
2173 struct qlcnic_adapter *adapter = NULL;
2174 struct qlcnic_hardware_context *ahw;
2175 int err, pci_using_dac = -1;
2176 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2177 struct qlcnic_dcb *dcb;
2179 if (pdev->is_virtfn)
2182 err = pci_enable_device(pdev);
2186 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2188 goto err_out_disable_pdev;
2191 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2193 goto err_out_disable_pdev;
2195 err = pci_request_regions(pdev, qlcnic_driver_name);
2197 goto err_out_disable_pdev;
2199 pci_set_master(pdev);
2200 pci_enable_pcie_error_reporting(pdev);
2202 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2205 goto err_out_free_res;
2208 switch (ent->device) {
2209 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2210 ahw->hw_ops = &qlcnic_hw_ops;
2211 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2213 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2214 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2215 qlcnic_83xx_register_map(ahw);
2217 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2218 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2219 qlcnic_sriov_vf_register_map(ahw);
2222 goto err_out_free_hw_res;
2225 err = qlcnic_setup_pci_map(pdev, ahw);
2227 goto err_out_free_hw_res;
2229 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2230 QLCNIC_MAX_TX_RINGS);
2233 goto err_out_iounmap;
2236 SET_NETDEV_DEV(netdev, &pdev->dev);
2238 adapter = netdev_priv(netdev);
2239 adapter->netdev = netdev;
2240 adapter->pdev = pdev;
2243 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2244 if (adapter->qlcnic_wq == NULL) {
2246 dev_err(&pdev->dev, "Failed to create workqueue\n");
2247 goto err_out_free_netdev;
2250 err = qlcnic_alloc_adapter_resources(adapter);
2252 goto err_out_free_wq;
2254 adapter->dev_rst_time = jiffies;
2255 adapter->ahw->revision_id = pdev->revision;
2256 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2257 adapter->fdb_mac_learn = true;
2258 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2259 adapter->drv_mac_learn = true;
2261 rwlock_init(&adapter->ahw->crb_lock);
2262 mutex_init(&adapter->ahw->mem_lock);
2264 INIT_LIST_HEAD(&adapter->mac_list);
2266 qlcnic_register_dcb(adapter);
2268 if (qlcnic_82xx_check(adapter)) {
2269 qlcnic_check_vf(adapter, ent);
2270 adapter->portnum = adapter->ahw->pci_func;
2271 err = qlcnic_start_firmware(adapter);
2273 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2274 "\t\tIf reboot doesn't help, try flashing the card\n");
2275 goto err_out_maintenance_mode;
2278 qlcnic_get_multiq_capability(adapter);
2280 if ((adapter->ahw->act_pci_func > 2) &&
2281 qlcnic_check_multi_tx(adapter)) {
2282 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2283 dev_info(&adapter->pdev->dev,
2284 "vNIC mode enabled, Set max TX rings = %d\n",
2285 adapter->max_drv_tx_rings);
2288 if (!qlcnic_check_multi_tx(adapter)) {
2289 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2290 adapter->max_drv_tx_rings = 1;
2292 err = qlcnic_setup_idc_param(adapter);
2294 goto err_out_free_hw;
2296 adapter->flags |= QLCNIC_NEED_FLR;
2300 if (dcb && qlcnic_dcb_attach(dcb))
2301 qlcnic_clear_dcb_ops(dcb);
2303 } else if (qlcnic_83xx_check(adapter)) {
2304 adapter->max_drv_tx_rings = 1;
2305 qlcnic_83xx_check_vf(adapter, ent);
2306 adapter->portnum = adapter->ahw->pci_func;
2307 err = qlcnic_83xx_init(adapter, pci_using_dac);
2309 dev_err(&pdev->dev, "%s: failed\n", __func__);
2310 goto err_out_free_hw;
2312 if (qlcnic_sriov_vf_check(adapter))
2316 "%s: failed. Please Reboot\n", __func__);
2317 goto err_out_free_hw;
2320 if (qlcnic_read_mac_addr(adapter))
2321 dev_warn(&pdev->dev, "failed to read mac addr\n");
2323 qlcnic_read_phys_port_id(adapter);
2325 if (adapter->portnum == 0) {
2326 qlcnic_get_board_name(adapter, board_name);
2328 pr_info("%s: %s Board Chip rev 0x%x\n",
2329 module_name(THIS_MODULE),
2330 board_name, adapter->ahw->revision_id);
2333 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2335 dev_warn(&pdev->dev,
2336 "Device does not support MSI interrupts\n");
2338 if (qlcnic_82xx_check(adapter)) {
2339 err = qlcnic_setup_intr(adapter, 0, 0);
2341 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2342 goto err_out_disable_msi;
2346 err = qlcnic_get_act_pci_func(adapter);
2348 goto err_out_disable_mbx_intr;
2350 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2352 goto err_out_disable_mbx_intr;
2354 if (adapter->portnum == 0)
2355 qlcnic_set_drv_version(adapter);
2357 pci_set_drvdata(pdev, adapter);
2359 if (qlcnic_82xx_check(adapter))
2360 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2363 switch (adapter->ahw->port_type) {
2365 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2366 adapter->netdev->name);
2369 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2370 adapter->netdev->name);
2374 if (adapter->drv_mac_learn)
2375 qlcnic_alloc_lb_filters_mem(adapter);
2377 qlcnic_add_sysfs(adapter);
2381 err_out_disable_mbx_intr:
2382 if (qlcnic_83xx_check(adapter))
2383 qlcnic_83xx_free_mbx_intr(adapter);
2385 err_out_disable_msi:
2386 qlcnic_teardown_intr(adapter);
2387 qlcnic_cancel_idc_work(adapter);
2388 qlcnic_clr_all_drv_state(adapter, 0);
2391 qlcnic_free_adapter_resources(adapter);
2394 destroy_workqueue(adapter->qlcnic_wq);
2396 err_out_free_netdev:
2397 free_netdev(netdev);
2400 qlcnic_cleanup_pci_map(ahw);
2402 err_out_free_hw_res:
2406 pci_release_regions(pdev);
2408 err_out_disable_pdev:
2409 pci_disable_device(pdev);
2412 err_out_maintenance_mode:
2413 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2414 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2415 err = register_netdev(netdev);
2418 dev_err(&pdev->dev, "Failed to register net device\n");
2419 qlcnic_clr_all_drv_state(adapter, 0);
2420 goto err_out_free_hw;
2423 pci_set_drvdata(pdev, adapter);
2424 qlcnic_add_sysfs(adapter);
2429 static void qlcnic_remove(struct pci_dev *pdev)
2431 struct qlcnic_adapter *adapter;
2432 struct net_device *netdev;
2433 struct qlcnic_hardware_context *ahw;
2435 adapter = pci_get_drvdata(pdev);
2436 if (adapter == NULL)
2439 netdev = adapter->netdev;
2440 qlcnic_sriov_pf_disable(adapter);
2442 qlcnic_cancel_idc_work(adapter);
2445 qlcnic_dcb_free(adapter->dcb);
2447 unregister_netdev(netdev);
2448 qlcnic_sriov_cleanup(adapter);
2450 if (qlcnic_83xx_check(adapter)) {
2451 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2452 cancel_delayed_work_sync(&adapter->idc_aen_work);
2453 qlcnic_83xx_free_mbx_intr(adapter);
2454 qlcnic_83xx_detach_mailbox_work(adapter);
2455 qlcnic_83xx_free_mailbox(ahw->mailbox);
2456 kfree(ahw->fw_info);
2459 qlcnic_detach(adapter);
2461 if (adapter->npars != NULL)
2462 kfree(adapter->npars);
2463 if (adapter->eswitch != NULL)
2464 kfree(adapter->eswitch);
2466 if (qlcnic_82xx_check(adapter))
2467 qlcnic_clr_all_drv_state(adapter, 0);
2469 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2471 qlcnic_free_lb_filters_mem(adapter);
2473 qlcnic_teardown_intr(adapter);
2475 qlcnic_remove_sysfs(adapter);
2477 qlcnic_cleanup_pci_map(adapter->ahw);
2479 qlcnic_release_firmware(adapter);
2481 pci_disable_pcie_error_reporting(pdev);
2482 pci_release_regions(pdev);
2483 pci_disable_device(pdev);
2485 if (adapter->qlcnic_wq) {
2486 destroy_workqueue(adapter->qlcnic_wq);
2487 adapter->qlcnic_wq = NULL;
2490 qlcnic_free_adapter_resources(adapter);
2492 free_netdev(netdev);
2495 static void qlcnic_shutdown(struct pci_dev *pdev)
2497 if (__qlcnic_shutdown(pdev))
2500 pci_disable_device(pdev);
2504 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2508 retval = __qlcnic_shutdown(pdev);
2512 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2516 static int qlcnic_resume(struct pci_dev *pdev)
2518 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2521 err = pci_enable_device(pdev);
2525 pci_set_power_state(pdev, PCI_D0);
2526 pci_set_master(pdev);
2527 pci_restore_state(pdev);
2529 return __qlcnic_resume(adapter);
2533 static int qlcnic_open(struct net_device *netdev)
2535 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2539 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2540 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
2541 netdev_err(netdev, "%s: Device is in FAILED state\n", __func__);
2546 netif_carrier_off(netdev);
2548 err = qlcnic_attach(adapter);
2552 err = __qlcnic_up(adapter, netdev);
2556 netif_tx_start_all_queues(netdev);
2561 qlcnic_detach(adapter);
2566 * qlcnic_close - Disables a network interface entry point
2568 static int qlcnic_close(struct net_device *netdev)
2570 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2572 __qlcnic_down(adapter, netdev);
2577 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2581 struct net_device *netdev = adapter->netdev;
2582 u32 filter_size = 0;
2583 u16 act_pci_func = 0;
2585 if (adapter->fhash.fmax && adapter->fhash.fhead)
2588 act_pci_func = adapter->ahw->act_pci_func;
2589 spin_lock_init(&adapter->mac_learn_lock);
2590 spin_lock_init(&adapter->rx_mac_learn_lock);
2592 if (qlcnic_82xx_check(adapter)) {
2593 filter_size = QLCNIC_LB_MAX_FILTERS;
2594 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2596 filter_size = QLC_83XX_LB_MAX_FILTERS;
2597 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2600 head = kcalloc(adapter->fhash.fbucket_size,
2601 sizeof(struct hlist_head), GFP_ATOMIC);
2606 adapter->fhash.fmax = (filter_size / act_pci_func);
2607 adapter->fhash.fhead = head;
2609 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2610 act_pci_func, adapter->fhash.fmax);
2612 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2613 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2615 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2617 head = kcalloc(adapter->rx_fhash.fbucket_size,
2618 sizeof(struct hlist_head), GFP_ATOMIC);
2623 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2624 adapter->rx_fhash.fhead = head;
2626 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2627 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2630 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2632 if (adapter->fhash.fmax && adapter->fhash.fhead)
2633 kfree(adapter->fhash.fhead);
2635 adapter->fhash.fhead = NULL;
2636 adapter->fhash.fmax = 0;
2638 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2639 kfree(adapter->rx_fhash.fhead);
2641 adapter->rx_fhash.fmax = 0;
2642 adapter->rx_fhash.fhead = NULL;
2645 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2647 struct net_device *netdev = adapter->netdev;
2648 u32 temp_state, temp_val, temp = 0;
2651 if (qlcnic_83xx_check(adapter))
2652 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2654 if (qlcnic_82xx_check(adapter))
2655 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2657 temp_state = qlcnic_get_temp_state(temp);
2658 temp_val = qlcnic_get_temp_val(temp);
2660 if (temp_state == QLCNIC_TEMP_PANIC) {
2661 dev_err(&netdev->dev,
2662 "Device temperature %d degrees C exceeds"
2663 " maximum allowed. Hardware has been shut down.\n",
2666 } else if (temp_state == QLCNIC_TEMP_WARN) {
2667 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2668 dev_err(&netdev->dev,
2669 "Device temperature %d degrees C "
2670 "exceeds operating range."
2671 " Immediate action needed.\n",
2675 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2676 dev_info(&netdev->dev,
2677 "Device temperature is now %d degrees C"
2678 " in normal range.\n", temp_val);
2681 adapter->ahw->temp = temp_state;
2685 static void qlcnic_tx_timeout(struct net_device *netdev)
2687 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2688 struct qlcnic_host_tx_ring *tx_ring;
2691 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2694 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2695 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2696 if (qlcnic_82xx_check(adapter))
2697 adapter->need_fw_reset = 1;
2698 else if (qlcnic_83xx_check(adapter))
2699 qlcnic_83xx_idc_request_reset(adapter,
2700 QLCNIC_FORCE_FW_DUMP_KEY);
2702 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2703 if (qlcnic_82xx_check(adapter)) {
2704 for (ring = 0; ring < adapter->max_drv_tx_rings;
2706 tx_ring = &adapter->tx_ring[ring];
2707 dev_info(&netdev->dev, "ring=%d\n", ring);
2708 dev_info(&netdev->dev, "crb_intr_mask=%d\n",
2709 readl(tx_ring->crb_intr_mask));
2710 dev_info(&netdev->dev, "producer=%d\n",
2711 readl(tx_ring->crb_cmd_producer));
2712 dev_info(&netdev->dev, "sw_consumer = %d\n",
2713 tx_ring->sw_consumer);
2714 dev_info(&netdev->dev, "hw_consumer = %d\n",
2715 le32_to_cpu(*(tx_ring->hw_consumer)));
2716 dev_info(&netdev->dev, "xmit-on=%llu\n",
2718 dev_info(&netdev->dev, "xmit-off=%llu\n",
2722 adapter->ahw->reset_context = 1;
2726 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2728 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2729 struct net_device_stats *stats = &netdev->stats;
2731 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2732 stats->tx_packets = adapter->stats.xmitfinished;
2733 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2734 stats->tx_bytes = adapter->stats.txbytes;
2735 stats->rx_dropped = adapter->stats.rxdropped;
2736 stats->tx_dropped = adapter->stats.txdropped;
2741 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2745 status = readl(adapter->isr_int_vec);
2747 if (!(status & adapter->ahw->int_vec_bit))
2750 /* check interrupt state machine, to be sure */
2751 status = readl(adapter->crb_int_state_reg);
2752 if (!ISR_LEGACY_INT_TRIGGERED(status))
2755 writel(0xffffffff, adapter->tgt_status_reg);
2756 /* read twice to ensure write is flushed */
2757 readl(adapter->isr_int_vec);
2758 readl(adapter->isr_int_vec);
2763 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2765 struct qlcnic_host_sds_ring *sds_ring = data;
2766 struct qlcnic_adapter *adapter = sds_ring->adapter;
2768 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2770 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2771 writel(0xffffffff, adapter->tgt_status_reg);
2775 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2779 adapter->ahw->diag_cnt++;
2780 qlcnic_enable_int(sds_ring);
2784 static irqreturn_t qlcnic_intr(int irq, void *data)
2786 struct qlcnic_host_sds_ring *sds_ring = data;
2787 struct qlcnic_adapter *adapter = sds_ring->adapter;
2789 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2792 napi_schedule(&sds_ring->napi);
2797 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2799 struct qlcnic_host_sds_ring *sds_ring = data;
2800 struct qlcnic_adapter *adapter = sds_ring->adapter;
2802 /* clear interrupt */
2803 writel(0xffffffff, adapter->tgt_status_reg);
2805 napi_schedule(&sds_ring->napi);
2809 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2811 struct qlcnic_host_sds_ring *sds_ring = data;
2813 napi_schedule(&sds_ring->napi);
2817 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2819 struct qlcnic_host_tx_ring *tx_ring = data;
2821 napi_schedule(&tx_ring->napi);
2825 #ifdef CONFIG_NET_POLL_CONTROLLER
2826 static void qlcnic_poll_controller(struct net_device *netdev)
2829 struct qlcnic_host_sds_ring *sds_ring;
2830 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2831 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2833 disable_irq(adapter->irq);
2834 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2835 sds_ring = &recv_ctx->sds_rings[ring];
2836 qlcnic_intr(adapter->irq, sds_ring);
2838 enable_irq(adapter->irq);
2843 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2847 val = adapter->portnum & 0xf;
2848 val |= encoding << 7;
2849 val |= (jiffies - adapter->dev_rst_time) << 8;
2851 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2852 adapter->dev_rst_time = jiffies;
2856 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2860 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2861 state != QLCNIC_DEV_NEED_QUISCENT);
2863 if (qlcnic_api_lock(adapter))
2866 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2868 if (state == QLCNIC_DEV_NEED_RESET)
2869 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2870 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2871 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2873 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2875 qlcnic_api_unlock(adapter);
2881 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2885 if (qlcnic_api_lock(adapter))
2888 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2889 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2890 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2892 qlcnic_api_unlock(adapter);
2897 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2901 if (qlcnic_api_lock(adapter))
2904 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2905 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2906 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2909 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2911 dev_info(&adapter->pdev->dev,
2912 "Device state set to Failed. Please Reboot\n");
2913 } else if (!(val & 0x11111111))
2914 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2917 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2918 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2919 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2921 qlcnic_api_unlock(adapter);
2923 adapter->fw_fail_cnt = 0;
2924 adapter->flags &= ~QLCNIC_FW_HANG;
2925 clear_bit(__QLCNIC_START_FW, &adapter->state);
2926 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2929 /* Grab api lock, before checking state */
2931 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2933 int act, state, active_mask;
2934 struct qlcnic_hardware_context *ahw = adapter->ahw;
2936 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2937 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2939 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2940 active_mask = (~(1 << (ahw->pci_func * 4)));
2941 act = act & active_mask;
2944 if (((state & 0x11111111) == (act & 0x11111111)) ||
2945 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2951 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2953 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2955 if (val != QLCNIC_DRV_IDC_VER) {
2956 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2957 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2964 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2966 u32 val, prev_state;
2967 u8 dev_init_timeo = adapter->dev_init_timeo;
2968 u8 portnum = adapter->portnum;
2971 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2974 if (qlcnic_api_lock(adapter))
2977 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2978 if (!(val & (1 << (portnum * 4)))) {
2979 QLC_DEV_SET_REF_CNT(val, portnum);
2980 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2983 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2984 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2986 switch (prev_state) {
2987 case QLCNIC_DEV_COLD:
2988 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2989 QLCNIC_DEV_INITIALIZING);
2990 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2991 QLCNIC_DRV_IDC_VER);
2992 qlcnic_idc_debug_info(adapter, 0);
2993 qlcnic_api_unlock(adapter);
2996 case QLCNIC_DEV_READY:
2997 ret = qlcnic_check_idc_ver(adapter);
2998 qlcnic_api_unlock(adapter);
3001 case QLCNIC_DEV_NEED_RESET:
3002 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3003 QLC_DEV_SET_RST_RDY(val, portnum);
3004 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3007 case QLCNIC_DEV_NEED_QUISCENT:
3008 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3009 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3010 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3013 case QLCNIC_DEV_FAILED:
3014 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3015 qlcnic_api_unlock(adapter);
3018 case QLCNIC_DEV_INITIALIZING:
3019 case QLCNIC_DEV_QUISCENT:
3023 qlcnic_api_unlock(adapter);
3027 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3029 if (prev_state == QLCNIC_DEV_QUISCENT)
3031 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3033 if (!dev_init_timeo) {
3034 dev_err(&adapter->pdev->dev,
3035 "Waiting for device to initialize timeout\n");
3039 if (qlcnic_api_lock(adapter))
3042 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3043 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3044 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3046 ret = qlcnic_check_idc_ver(adapter);
3047 qlcnic_api_unlock(adapter);
3053 qlcnic_fwinit_work(struct work_struct *work)
3055 struct qlcnic_adapter *adapter = container_of(work,
3056 struct qlcnic_adapter, fw_work.work);
3057 u32 dev_state = 0xf;
3060 if (qlcnic_api_lock(adapter))
3063 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3064 if (dev_state == QLCNIC_DEV_QUISCENT ||
3065 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3066 qlcnic_api_unlock(adapter);
3067 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3072 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3073 qlcnic_api_unlock(adapter);
3077 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3078 dev_state == QLCNIC_DEV_READY) {
3079 dev_info(&adapter->pdev->dev, "Detected state change from "
3080 "DEV_NEED_RESET, skipping ack check\n");
3081 goto skip_ack_check;
3084 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3085 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3086 adapter->reset_ack_timeo);
3087 goto skip_ack_check;
3090 if (!qlcnic_check_drv_state(adapter)) {
3092 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3094 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3095 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3096 QLCNIC_DEV_INITIALIZING);
3097 set_bit(__QLCNIC_START_FW, &adapter->state);
3098 QLCDB(adapter, DRV, "Restarting fw\n");
3099 qlcnic_idc_debug_info(adapter, 0);
3100 val = QLC_SHARED_REG_RD32(adapter,
3101 QLCNIC_CRB_DRV_STATE);
3102 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3103 QLC_SHARED_REG_WR32(adapter,
3104 QLCNIC_CRB_DRV_STATE, val);
3107 qlcnic_api_unlock(adapter);
3110 if (qlcnic_check_fw_dump_state(adapter) &&
3111 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3112 QLCDB(adapter, DRV, "Take FW dump\n");
3113 qlcnic_dump_fw(adapter);
3114 adapter->flags |= QLCNIC_FW_HANG;
3118 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3119 if (!adapter->nic_ops->start_firmware(adapter)) {
3120 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3121 adapter->fw_wait_cnt = 0;
3127 qlcnic_api_unlock(adapter);
3130 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3131 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3133 switch (dev_state) {
3134 case QLCNIC_DEV_READY:
3135 if (!qlcnic_start_firmware(adapter)) {
3136 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3137 adapter->fw_wait_cnt = 0;
3140 case QLCNIC_DEV_FAILED:
3143 qlcnic_schedule_work(adapter,
3144 qlcnic_fwinit_work, FW_POLL_DELAY);
3149 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3150 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3151 netif_device_attach(adapter->netdev);
3152 qlcnic_clr_all_drv_state(adapter, 0);
3156 qlcnic_detach_work(struct work_struct *work)
3158 struct qlcnic_adapter *adapter = container_of(work,
3159 struct qlcnic_adapter, fw_work.work);
3160 struct net_device *netdev = adapter->netdev;
3163 netif_device_detach(netdev);
3165 /* Dont grab rtnl lock during Quiscent mode */
3166 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3167 if (netif_running(netdev))
3168 __qlcnic_down(adapter, netdev);
3170 qlcnic_down(adapter, netdev);
3172 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3174 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3175 dev_err(&adapter->pdev->dev,
3176 "Detaching the device: peg halt status1=0x%x\n",
3179 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3180 dev_err(&adapter->pdev->dev,
3181 "On board active cooling fan failed. "
3182 "Device has been halted.\n");
3183 dev_err(&adapter->pdev->dev,
3184 "Replace the adapter.\n");
3190 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3191 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3192 adapter->ahw->temp);
3196 /* Dont ack if this instance is the reset owner */
3197 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3198 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3199 dev_err(&adapter->pdev->dev,
3200 "Failed to set driver state,"
3201 "detaching the device.\n");
3206 adapter->fw_wait_cnt = 0;
3208 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3213 netif_device_attach(netdev);
3214 qlcnic_clr_all_drv_state(adapter, 1);
3217 /*Transit NPAR state to NON Operational */
3219 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3223 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3224 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3227 if (qlcnic_api_lock(adapter))
3229 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3230 QLCNIC_DEV_NPAR_NON_OPER);
3231 qlcnic_api_unlock(adapter);
3234 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
3236 u32 state, xg_val = 0, gb_val = 0;
3238 qlcnic_xg_set_xg0_mask(xg_val);
3239 qlcnic_xg_set_xg1_mask(xg_val);
3240 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3241 qlcnic_gb_set_gb0_mask(gb_val);
3242 qlcnic_gb_set_gb1_mask(gb_val);
3243 qlcnic_gb_set_gb2_mask(gb_val);
3244 qlcnic_gb_set_gb3_mask(gb_val);
3245 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3246 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3248 adapter->need_fw_reset = 1;
3250 if (qlcnic_api_lock(adapter))
3253 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3254 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
3255 netdev_err(adapter->netdev, "%s: Device is in FAILED state\n",
3257 qlcnic_api_unlock(adapter);
3262 if (state == QLCNIC_DEV_READY) {
3263 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3264 QLCNIC_DEV_NEED_RESET);
3265 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3266 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3267 qlcnic_idc_debug_info(adapter, 0);
3270 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3271 QLCNIC_DEV_NPAR_NON_OPER);
3272 qlcnic_api_unlock(adapter);
3275 /* Transit to NPAR READY state from NPAR NOT READY state */
3277 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3279 if (qlcnic_api_lock(adapter))
3282 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3283 QLCNIC_DEV_NPAR_OPER);
3284 QLCDB(adapter, DRV, "NPAR operational state set\n");
3286 qlcnic_api_unlock(adapter);
3289 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3290 work_func_t func, int delay)
3292 if (test_bit(__QLCNIC_AER, &adapter->state))
3295 INIT_DELAYED_WORK(&adapter->fw_work, func);
3296 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3297 round_jiffies_relative(delay));
3301 qlcnic_attach_work(struct work_struct *work)
3303 struct qlcnic_adapter *adapter = container_of(work,
3304 struct qlcnic_adapter, fw_work.work);
3305 struct net_device *netdev = adapter->netdev;
3308 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3309 npar_state = QLC_SHARED_REG_RD32(adapter,
3310 QLCNIC_CRB_DEV_NPAR_STATE);
3311 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3312 qlcnic_clr_all_drv_state(adapter, 0);
3313 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3314 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3318 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3322 qlcnic_dcb_get_info(adapter->dcb);
3324 if (netif_running(netdev)) {
3325 if (qlcnic_up(adapter, netdev))
3328 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3332 netif_device_attach(netdev);
3333 adapter->fw_fail_cnt = 0;
3334 adapter->flags &= ~QLCNIC_FW_HANG;
3335 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3336 if (adapter->portnum == 0)
3337 qlcnic_set_drv_version(adapter);
3339 if (!qlcnic_clr_drv_state(adapter))
3340 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3345 qlcnic_check_health(struct qlcnic_adapter *adapter)
3347 struct qlcnic_hardware_context *ahw = adapter->ahw;
3348 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3349 u32 state = 0, heartbeat;
3353 if (qlcnic_check_temp(adapter))
3356 if (adapter->need_fw_reset)
3357 qlcnic_dev_request_reset(adapter, 0);
3359 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3360 if (state == QLCNIC_DEV_NEED_RESET) {
3361 qlcnic_set_npar_non_operational(adapter);
3362 adapter->need_fw_reset = 1;
3363 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3366 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3367 if (heartbeat != adapter->heartbeat) {
3368 adapter->heartbeat = heartbeat;
3369 adapter->fw_fail_cnt = 0;
3370 if (adapter->need_fw_reset)
3373 if (ahw->reset_context && qlcnic_auto_fw_reset)
3374 qlcnic_reset_hw_context(adapter);
3379 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3382 adapter->flags |= QLCNIC_FW_HANG;
3384 qlcnic_dev_request_reset(adapter, 0);
3386 if (qlcnic_auto_fw_reset)
3387 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3389 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3390 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3391 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3392 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3393 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3394 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3395 "PEG_NET_4_PC: 0x%x\n",
3397 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3398 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3399 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3400 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3401 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3402 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3403 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3404 dev_err(&adapter->pdev->dev,
3405 "Firmware aborted with error code 0x00006700. "
3406 "Device is being reset.\n");
3408 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3409 QLCNIC_DEV_NEED_RESET;
3411 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3414 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3415 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3416 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3417 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3418 qlcnic_dump_fw(adapter);
3424 void qlcnic_fw_poll_work(struct work_struct *work)
3426 struct qlcnic_adapter *adapter = container_of(work,
3427 struct qlcnic_adapter, fw_work.work);
3429 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3433 if (qlcnic_check_health(adapter))
3436 if (adapter->fhash.fnum)
3437 qlcnic_prune_lb_filters(adapter);
3440 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3443 static int qlcnic_is_first_func(struct pci_dev *pdev)
3445 struct pci_dev *oth_pdev;
3446 int val = pdev->devfn;
3449 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3450 (pdev->bus), pdev->bus->number,
3451 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3455 if (oth_pdev->current_state != PCI_D3cold) {
3456 pci_dev_put(oth_pdev);
3459 pci_dev_put(oth_pdev);
3464 static int qlcnic_attach_func(struct pci_dev *pdev)
3466 int err, first_func;
3467 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3468 struct net_device *netdev = adapter->netdev;
3470 pdev->error_state = pci_channel_io_normal;
3472 err = pci_enable_device(pdev);
3476 pci_set_master(pdev);
3477 pci_restore_state(pdev);
3479 first_func = qlcnic_is_first_func(pdev);
3481 if (qlcnic_api_lock(adapter))
3484 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3485 adapter->need_fw_reset = 1;
3486 set_bit(__QLCNIC_START_FW, &adapter->state);
3487 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3488 QLCNIC_DEV_INITIALIZING);
3489 QLCDB(adapter, DRV, "Restarting fw\n");
3491 qlcnic_api_unlock(adapter);
3493 err = qlcnic_start_firmware(adapter);
3497 qlcnic_clr_drv_state(adapter);
3498 kfree(adapter->msix_entries);
3499 adapter->msix_entries = NULL;
3500 err = qlcnic_setup_intr(adapter, 0, 0);
3503 kfree(adapter->msix_entries);
3504 netdev_err(netdev, "failed to setup interrupt\n");
3508 if (netif_running(netdev)) {
3509 err = qlcnic_attach(adapter);
3511 qlcnic_clr_all_drv_state(adapter, 1);
3512 clear_bit(__QLCNIC_AER, &adapter->state);
3513 netif_device_attach(netdev);
3517 err = qlcnic_up(adapter, netdev);
3521 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3524 netif_device_attach(netdev);
3528 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3529 pci_channel_state_t state)
3531 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3532 struct net_device *netdev = adapter->netdev;
3534 if (state == pci_channel_io_perm_failure)
3535 return PCI_ERS_RESULT_DISCONNECT;
3537 if (state == pci_channel_io_normal)
3538 return PCI_ERS_RESULT_RECOVERED;
3540 set_bit(__QLCNIC_AER, &adapter->state);
3541 netif_device_detach(netdev);
3543 cancel_delayed_work_sync(&adapter->fw_work);
3545 if (netif_running(netdev))
3546 qlcnic_down(adapter, netdev);
3548 qlcnic_detach(adapter);
3549 qlcnic_teardown_intr(adapter);
3551 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3553 pci_save_state(pdev);
3554 pci_disable_device(pdev);
3556 return PCI_ERS_RESULT_NEED_RESET;
3559 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3561 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3562 PCI_ERS_RESULT_RECOVERED;
3565 void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3568 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3570 pci_cleanup_aer_uncorrect_error_status(pdev);
3571 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3572 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3574 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3578 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3579 pci_channel_state_t state)
3581 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3582 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3584 if (hw_ops->io_error_detected) {
3585 return hw_ops->io_error_detected(pdev, state);
3587 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3588 return PCI_ERS_RESULT_DISCONNECT;
3592 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3594 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3595 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3597 if (hw_ops->io_slot_reset) {
3598 return hw_ops->io_slot_reset(pdev);
3600 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3601 return PCI_ERS_RESULT_DISCONNECT;
3605 static void qlcnic_io_resume(struct pci_dev *pdev)
3607 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3608 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3610 if (hw_ops->io_resume)
3611 hw_ops->io_resume(pdev);
3613 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3618 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3622 err = qlcnic_can_start_firmware(adapter);
3626 err = qlcnic_check_npar_opertional(adapter);
3630 err = qlcnic_initialize_nic(adapter);
3634 qlcnic_check_options(adapter);
3636 err = qlcnic_set_eswitch_port_config(adapter);
3640 adapter->need_fw_reset = 0;
3645 int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq)
3647 struct net_device *netdev = adapter->netdev;
3648 u8 max_hw = QLCNIC_MAX_TX_RINGS;
3651 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3652 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n");
3656 if (!qlcnic_check_multi_tx(adapter)) {
3657 netdev_err(netdev, "No Multi TX-Q support\n");
3661 if (txq > QLCNIC_MAX_TX_RINGS) {
3662 netdev_err(netdev, "Invalid ring count\n");
3666 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3667 num_online_cpus()));
3668 if ((txq > max_allowed) || !is_power_of_2(txq)) {
3669 if (!is_power_of_2(txq))
3671 "TX queue should be a power of 2\n");
3672 if (txq > num_online_cpus())
3674 "Tx queue should not be higher than [%u], number of online CPUs in the system\n",
3676 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq);
3683 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3686 struct net_device *netdev = adapter->netdev;
3687 u8 max_hw = adapter->ahw->max_rx_ques;
3690 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3691 netdev_err(netdev, "No RSS support in INT-x mode\n");
3695 if (val > QLCNIC_MAX_SDS_RINGS) {
3696 netdev_err(netdev, "RSS value should not be higher than %u\n",
3697 QLCNIC_MAX_SDS_RINGS);
3701 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3702 num_online_cpus()));
3703 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3704 if (!is_power_of_2(val))
3705 netdev_err(netdev, "RSS value should be a power of 2\n");
3708 netdev_err(netdev, "RSS value should not be lower than 2\n");
3712 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3715 if (val > num_online_cpus())
3717 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3720 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3727 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq)
3730 struct net_device *netdev = adapter->netdev;
3733 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3736 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3738 netdev_err(netdev, "No RSS support in INT-x mode\n");
3742 netif_device_detach(netdev);
3743 if (netif_running(netdev))
3744 __qlcnic_down(adapter, netdev);
3746 qlcnic_detach(adapter);
3748 if (qlcnic_82xx_check(adapter)) {
3750 adapter->max_drv_tx_rings = txq;
3752 if (qlcnic_check_multi_tx(adapter) &&
3753 (txq > adapter->max_drv_tx_rings))
3754 num_msix = adapter->max_drv_tx_rings;
3759 if (qlcnic_83xx_check(adapter)) {
3760 qlcnic_83xx_free_mbx_intr(adapter);
3761 qlcnic_83xx_enable_mbx_poll(adapter);
3764 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings);
3766 qlcnic_teardown_intr(adapter);
3768 err = qlcnic_setup_intr(adapter, data, txq);
3770 kfree(adapter->msix_entries);
3771 netdev_err(netdev, "failed to setup interrupt\n");
3775 if (qlcnic_83xx_check(adapter)) {
3776 /* register for NIC IDC AEN Events */
3777 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3778 err = qlcnic_83xx_setup_mbx_intr(adapter);
3779 qlcnic_83xx_disable_mbx_poll(adapter);
3781 dev_err(&adapter->pdev->dev,
3782 "failed to setup mbx interrupt\n");
3787 if (netif_running(netdev)) {
3788 err = qlcnic_attach(adapter);
3791 err = __qlcnic_up(adapter, netdev);
3794 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3797 netif_device_attach(netdev);
3798 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3804 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3807 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3808 struct net_device *dev, unsigned long event)
3810 struct in_device *indev;
3812 indev = in_dev_get(dev);
3819 qlcnic_config_ipaddr(adapter,
3820 ifa->ifa_address, QLCNIC_IP_UP);
3823 qlcnic_config_ipaddr(adapter,
3824 ifa->ifa_address, QLCNIC_IP_DOWN);
3829 } endfor_ifa(indev);
3834 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3836 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3837 struct net_device *dev;
3840 qlcnic_config_indev_addr(adapter, netdev, event);
3843 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3844 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3847 qlcnic_config_indev_addr(adapter, dev, event);
3852 static int qlcnic_netdev_event(struct notifier_block *this,
3853 unsigned long event, void *ptr)
3855 struct qlcnic_adapter *adapter;
3856 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3862 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3863 dev = vlan_dev_real_dev(dev);
3867 if (!is_qlcnic_netdev(dev))
3870 adapter = netdev_priv(dev);
3875 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3878 qlcnic_config_indev_addr(adapter, dev, event);
3884 qlcnic_inetaddr_event(struct notifier_block *this,
3885 unsigned long event, void *ptr)
3887 struct qlcnic_adapter *adapter;
3888 struct net_device *dev;
3890 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3892 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3898 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3899 dev = vlan_dev_real_dev(dev);
3903 if (!is_qlcnic_netdev(dev))
3906 adapter = netdev_priv(dev);
3911 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3916 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3920 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3931 static struct notifier_block qlcnic_netdev_cb = {
3932 .notifier_call = qlcnic_netdev_event,
3935 static struct notifier_block qlcnic_inetaddr_cb = {
3936 .notifier_call = qlcnic_inetaddr_event,
3939 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3942 static const struct pci_error_handlers qlcnic_err_handler = {
3943 .error_detected = qlcnic_io_error_detected,
3944 .slot_reset = qlcnic_io_slot_reset,
3945 .resume = qlcnic_io_resume,
3948 static struct pci_driver qlcnic_driver = {
3949 .name = qlcnic_driver_name,
3950 .id_table = qlcnic_pci_tbl,
3951 .probe = qlcnic_probe,
3952 .remove = qlcnic_remove,
3954 .suspend = qlcnic_suspend,
3955 .resume = qlcnic_resume,
3957 .shutdown = qlcnic_shutdown,
3958 .err_handler = &qlcnic_err_handler,
3959 #ifdef CONFIG_QLCNIC_SRIOV
3960 .sriov_configure = qlcnic_pci_sriov_configure,
3965 static int __init qlcnic_init_module(void)
3969 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3972 register_netdevice_notifier(&qlcnic_netdev_cb);
3973 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3976 ret = pci_register_driver(&qlcnic_driver);
3979 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3980 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3987 module_init(qlcnic_init_module);
3989 static void __exit qlcnic_exit_module(void)
3991 pci_unregister_driver(&qlcnic_driver);
3994 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3995 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3999 module_exit(qlcnic_exit_module);