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, 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_enable_port_eswitch(adapter, pfn))
864 adapter->npars[j].eswitch_status = true;
868 adapter->npars[j].eswitch_status = true;
871 adapter->npars[j].pci_func = pfn;
872 adapter->npars[j].active = (u8)pci_info[i].active;
873 adapter->npars[j].type = (u8)pci_info[i].type;
874 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
875 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
876 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
881 if (qlcnic_82xx_check(adapter)) {
882 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
883 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
884 } else if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
885 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
886 qlcnic_enable_eswitch(adapter, i, 1);
893 kfree(adapter->eswitch);
894 adapter->eswitch = NULL;
896 kfree(adapter->npars);
897 adapter->npars = NULL;
905 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
909 u32 data = QLCNIC_MGMT_FUNC;
910 struct qlcnic_hardware_context *ahw = adapter->ahw;
912 ret = qlcnic_api_lock(adapter);
917 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
918 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
919 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
920 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
921 qlcnic_api_unlock(adapter);
926 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
927 const struct pci_device_id *ent)
929 u32 op_mode, priv_level;
931 /* Determine FW API version */
932 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
935 /* Find PCI function number */
936 qlcnic_get_func_no(adapter);
938 /* Determine function privilege level */
939 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
940 if (op_mode == QLC_DEV_DRV_DEFAULT)
941 priv_level = QLCNIC_MGMT_FUNC;
943 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
945 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
946 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
947 dev_info(&adapter->pdev->dev,
948 "HAL Version: %d Non Privileged function\n",
949 adapter->ahw->fw_hal_version);
950 adapter->nic_ops = &qlcnic_vf_ops;
952 adapter->nic_ops = &qlcnic_ops;
955 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
956 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
957 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
960 case PCI_DEVICE_ID_QLOGIC_QLE824X:
961 *bar = QLCNIC_82XX_BAR0_LENGTH;
963 case PCI_DEVICE_ID_QLOGIC_QLE834X:
964 case PCI_DEVICE_ID_QLOGIC_QLE844X:
965 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
966 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
967 *bar = QLCNIC_83XX_BAR0_LENGTH;
974 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
975 struct qlcnic_hardware_context *ahw)
978 void __iomem *mem_ptr0 = NULL;
979 unsigned long mem_len, pci_len0 = 0, bar0_len;
981 /* remap phys address */
982 mem_len = pci_resource_len(pdev, 0);
984 qlcnic_get_bar_length(pdev->device, &bar0_len);
985 if (mem_len >= bar0_len) {
987 mem_ptr0 = pci_ioremap_bar(pdev, 0);
988 if (mem_ptr0 == NULL) {
989 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
997 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
999 ahw->pci_base0 = mem_ptr0;
1000 ahw->pci_len0 = pci_len0;
1001 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1002 qlcnic_get_ioaddr(ahw, offset);
1007 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1010 struct pci_dev *pdev = adapter->pdev;
1011 unsigned short subsystem_vendor;
1014 subsystem_vendor = pdev->subsystem_vendor;
1016 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1017 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1018 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1019 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1028 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1030 struct pci_dev *pdev = adapter->pdev;
1033 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1034 if (qlcnic_boards[i].vendor == pdev->vendor &&
1035 qlcnic_boards[i].device == pdev->device &&
1036 qlcnic_validate_subsystem_id(adapter, i)) {
1043 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1045 sprintf(name, "%pM: %s" , adapter->mac_addr,
1046 qlcnic_boards[i].short_name);
1050 qlcnic_check_options(struct qlcnic_adapter *adapter)
1053 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1054 struct pci_dev *pdev = adapter->pdev;
1055 struct qlcnic_hardware_context *ahw = adapter->ahw;
1056 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1058 prev_fw_version = adapter->fw_version;
1060 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1061 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1062 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1064 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1066 err = qlcnic_get_board_info(adapter);
1068 dev_err(&pdev->dev, "Error getting board config info.\n");
1071 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1072 if (fw_dump->tmpl_hdr == NULL ||
1073 adapter->fw_version > prev_fw_version) {
1074 if (fw_dump->tmpl_hdr)
1075 vfree(fw_dump->tmpl_hdr);
1076 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1077 dev_info(&pdev->dev,
1078 "Supports FW dump capability\n");
1082 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1083 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1085 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1086 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1087 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1088 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1090 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1091 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1094 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1095 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1097 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1098 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1099 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1100 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1101 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1104 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1106 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1108 adapter->max_rds_rings = MAX_RDS_RINGS;
1112 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1114 struct qlcnic_info nic_info;
1117 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1118 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1122 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1123 adapter->ahw->switch_mode = nic_info.switch_mode;
1124 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1125 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1126 adapter->ahw->capabilities = nic_info.capabilities;
1128 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1130 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1133 adapter->ahw->extra_capability[0] = temp;
1135 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1136 adapter->ahw->max_mtu = nic_info.max_mtu;
1138 /* Disable NPAR for 83XX */
1139 if (qlcnic_83xx_check(adapter))
1142 if (adapter->ahw->capabilities & BIT_6)
1143 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1145 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1150 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1151 struct qlcnic_esw_func_cfg *esw_cfg)
1153 if (esw_cfg->discard_tagged)
1154 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1156 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1158 if (esw_cfg->vlan_id) {
1159 adapter->rx_pvid = esw_cfg->vlan_id;
1160 adapter->tx_pvid = esw_cfg->vlan_id;
1162 adapter->rx_pvid = 0;
1163 adapter->tx_pvid = 0;
1168 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1170 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1173 if (qlcnic_sriov_vf_check(adapter)) {
1174 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1177 "Cannot add VLAN filter for VLAN id %d, err=%d",
1183 set_bit(vid, adapter->vlans);
1188 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1190 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1193 if (qlcnic_sriov_vf_check(adapter)) {
1194 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1197 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1203 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1204 clear_bit(vid, adapter->vlans);
1208 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1209 struct qlcnic_esw_func_cfg *esw_cfg)
1211 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1212 QLCNIC_PROMISC_DISABLED);
1214 if (esw_cfg->mac_anti_spoof)
1215 adapter->flags |= QLCNIC_MACSPOOF;
1217 if (!esw_cfg->mac_override)
1218 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1220 if (!esw_cfg->promisc_mode)
1221 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1224 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1226 struct qlcnic_esw_func_cfg esw_cfg;
1228 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1231 esw_cfg.pci_func = adapter->ahw->pci_func;
1232 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1234 qlcnic_set_vlan_config(adapter, &esw_cfg);
1235 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1236 qlcnic_set_netdev_features(adapter, &esw_cfg);
1241 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1242 struct qlcnic_esw_func_cfg *esw_cfg)
1244 struct net_device *netdev = adapter->netdev;
1246 if (qlcnic_83xx_check(adapter))
1249 adapter->offload_flags = esw_cfg->offload_flags;
1250 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1251 netdev_update_features(netdev);
1252 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1256 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1258 u32 op_mode, priv_level;
1261 err = qlcnic_initialize_nic(adapter);
1265 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1268 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1269 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1271 if (op_mode == QLC_DEV_DRV_DEFAULT)
1272 priv_level = QLCNIC_MGMT_FUNC;
1274 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1276 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1277 if (priv_level == QLCNIC_MGMT_FUNC) {
1278 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1279 err = qlcnic_init_pci_info(adapter);
1282 /* Set privilege level for other functions */
1283 qlcnic_set_function_modes(adapter);
1284 dev_info(&adapter->pdev->dev,
1285 "HAL Version: %d, Management function\n",
1286 adapter->ahw->fw_hal_version);
1287 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1288 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1289 dev_info(&adapter->pdev->dev,
1290 "HAL Version: %d, Privileged function\n",
1291 adapter->ahw->fw_hal_version);
1295 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1300 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1302 struct qlcnic_esw_func_cfg esw_cfg;
1303 struct qlcnic_npar_info *npar;
1306 if (adapter->need_fw_reset)
1309 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1310 if (!adapter->npars[i].eswitch_status)
1313 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1314 esw_cfg.pci_func = adapter->npars[i].pci_func;
1315 esw_cfg.mac_override = BIT_0;
1316 esw_cfg.promisc_mode = BIT_0;
1317 if (qlcnic_82xx_check(adapter)) {
1318 esw_cfg.offload_flags = BIT_0;
1319 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1320 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1322 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1324 npar = &adapter->npars[i];
1325 npar->pvid = esw_cfg.vlan_id;
1326 npar->mac_override = esw_cfg.mac_override;
1327 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1328 npar->discard_tagged = esw_cfg.discard_tagged;
1329 npar->promisc_mode = esw_cfg.promisc_mode;
1330 npar->offload_flags = esw_cfg.offload_flags;
1338 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1339 struct qlcnic_npar_info *npar, int pci_func)
1341 struct qlcnic_esw_func_cfg esw_cfg;
1342 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1343 esw_cfg.pci_func = pci_func;
1344 esw_cfg.vlan_id = npar->pvid;
1345 esw_cfg.mac_override = npar->mac_override;
1346 esw_cfg.discard_tagged = npar->discard_tagged;
1347 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1348 esw_cfg.offload_flags = npar->offload_flags;
1349 esw_cfg.promisc_mode = npar->promisc_mode;
1350 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1353 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1354 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1360 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1363 struct qlcnic_npar_info *npar;
1364 struct qlcnic_info nic_info;
1367 if (qlcnic_82xx_check(adapter))
1368 if (!adapter->need_fw_reset)
1371 /* Set the NPAR config data after FW reset */
1372 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1373 npar = &adapter->npars[i];
1374 pci_func = npar->pci_func;
1375 if (!adapter->npars[i].eswitch_status)
1378 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1379 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1382 nic_info.min_tx_bw = npar->min_bw;
1383 nic_info.max_tx_bw = npar->max_bw;
1384 err = qlcnic_set_nic_info(adapter, &nic_info);
1388 if (npar->enable_pm) {
1389 err = qlcnic_config_port_mirroring(adapter,
1395 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1402 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1404 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1407 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1410 npar_state = QLC_SHARED_REG_RD32(adapter,
1411 QLCNIC_CRB_DEV_NPAR_STATE);
1412 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1414 npar_state = QLC_SHARED_REG_RD32(adapter,
1415 QLCNIC_CRB_DEV_NPAR_STATE);
1417 if (!npar_opt_timeo) {
1418 dev_err(&adapter->pdev->dev,
1419 "Waiting for NPAR state to operational timeout\n");
1426 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1430 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1431 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1434 err = qlcnic_set_default_offload_settings(adapter);
1438 err = qlcnic_reset_npar_config(adapter);
1442 qlcnic_dev_set_npar_ready(adapter);
1447 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1451 err = qlcnic_can_start_firmware(adapter);
1455 goto check_fw_status;
1457 if (qlcnic_load_fw_file)
1458 qlcnic_request_firmware(adapter);
1460 err = qlcnic_check_flash_fw_ver(adapter);
1464 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1467 err = qlcnic_need_fw_reset(adapter);
1469 goto check_fw_status;
1471 err = qlcnic_pinit_from_rom(adapter);
1475 err = qlcnic_load_firmware(adapter);
1479 qlcnic_release_firmware(adapter);
1480 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1483 err = qlcnic_check_fw_status(adapter);
1487 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1488 qlcnic_idc_debug_info(adapter, 1);
1489 err = qlcnic_check_eswitch_mode(adapter);
1491 dev_err(&adapter->pdev->dev,
1492 "Memory allocation failed for eswitch\n");
1495 err = qlcnic_set_mgmt_operations(adapter);
1499 qlcnic_check_options(adapter);
1500 adapter->need_fw_reset = 0;
1502 qlcnic_release_firmware(adapter);
1506 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1507 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1509 qlcnic_release_firmware(adapter);
1514 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1516 irq_handler_t handler;
1517 struct qlcnic_host_sds_ring *sds_ring;
1518 struct qlcnic_host_tx_ring *tx_ring;
1519 int err, ring, num_sds_rings;
1521 unsigned long flags = 0;
1522 struct net_device *netdev = adapter->netdev;
1523 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1525 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1526 if (qlcnic_82xx_check(adapter))
1527 handler = qlcnic_tmp_intr;
1529 handler = qlcnic_83xx_tmp_intr;
1530 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1531 flags |= IRQF_SHARED;
1534 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1535 handler = qlcnic_msix_intr;
1536 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1537 handler = qlcnic_msi_intr;
1539 flags |= IRQF_SHARED;
1540 if (qlcnic_82xx_check(adapter))
1541 handler = qlcnic_intr;
1543 handler = qlcnic_83xx_intr;
1546 adapter->irq = netdev->irq;
1548 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1549 if (qlcnic_82xx_check(adapter) ||
1550 (qlcnic_83xx_check(adapter) &&
1551 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1552 num_sds_rings = adapter->max_sds_rings;
1553 for (ring = 0; ring < num_sds_rings; ring++) {
1554 sds_ring = &recv_ctx->sds_rings[ring];
1555 if (qlcnic_82xx_check(adapter) &&
1556 !qlcnic_check_multi_tx(adapter) &&
1557 (ring == (num_sds_rings - 1))) {
1558 if (!(adapter->flags &
1559 QLCNIC_MSIX_ENABLED))
1560 snprintf(sds_ring->name,
1561 sizeof(sds_ring->name),
1564 snprintf(sds_ring->name,
1565 sizeof(sds_ring->name),
1567 netdev->name, ring);
1569 snprintf(sds_ring->name,
1570 sizeof(sds_ring->name),
1572 netdev->name, ring);
1574 err = request_irq(sds_ring->irq, handler, flags,
1575 sds_ring->name, sds_ring);
1580 if ((qlcnic_82xx_check(adapter) &&
1581 qlcnic_check_multi_tx(adapter)) ||
1582 (qlcnic_83xx_check(adapter) &&
1583 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1584 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1585 handler = qlcnic_msix_tx_intr;
1586 for (ring = 0; ring < adapter->max_drv_tx_rings;
1588 tx_ring = &adapter->tx_ring[ring];
1589 snprintf(tx_ring->name, sizeof(tx_ring->name),
1590 "%s-tx-%d", netdev->name, ring);
1591 err = request_irq(tx_ring->irq, handler, flags,
1592 tx_ring->name, tx_ring);
1602 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1605 struct qlcnic_host_sds_ring *sds_ring;
1606 struct qlcnic_host_tx_ring *tx_ring;
1608 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1610 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1611 if (qlcnic_82xx_check(adapter) ||
1612 (qlcnic_83xx_check(adapter) &&
1613 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1614 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1615 sds_ring = &recv_ctx->sds_rings[ring];
1616 free_irq(sds_ring->irq, sds_ring);
1619 if ((qlcnic_83xx_check(adapter) &&
1620 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1621 (qlcnic_82xx_check(adapter) &&
1622 qlcnic_check_multi_tx(adapter))) {
1623 for (ring = 0; ring < adapter->max_drv_tx_rings;
1625 tx_ring = &adapter->tx_ring[ring];
1627 free_irq(tx_ring->irq, tx_ring);
1633 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1637 if (qlcnic_82xx_check(adapter)) {
1638 if (adapter->ahw->extra_capability[0] &
1639 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1640 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1642 capab = adapter->ahw->capabilities;
1643 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1644 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1648 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1651 struct qlcnic_host_rds_ring *rds_ring;
1653 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1656 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1659 if (qlcnic_set_eswitch_port_config(adapter))
1662 qlcnic_get_lro_mss_capability(adapter);
1664 if (qlcnic_fw_create_ctx(adapter))
1667 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1668 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1669 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1672 qlcnic_set_multi(netdev);
1673 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1675 adapter->ahw->linkup = 0;
1677 if (adapter->max_sds_rings > 1)
1678 qlcnic_config_rss(adapter, 1);
1680 qlcnic_config_intr_coalesce(adapter);
1682 if (netdev->features & NETIF_F_LRO)
1683 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1685 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1686 qlcnic_napi_enable(adapter);
1688 qlcnic_linkevent_request(adapter, 1);
1690 adapter->ahw->reset_context = 0;
1694 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1699 if (netif_running(netdev))
1700 err = __qlcnic_up(adapter, netdev);
1706 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1710 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1713 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1716 if (qlcnic_sriov_vf_check(adapter))
1717 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1719 netif_carrier_off(netdev);
1720 adapter->ahw->linkup = 0;
1721 netif_tx_disable(netdev);
1723 qlcnic_free_mac_list(adapter);
1725 if (adapter->fhash.fnum)
1726 qlcnic_delete_lb_filters(adapter);
1728 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1730 qlcnic_napi_disable(adapter);
1732 qlcnic_fw_destroy_ctx(adapter);
1733 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1735 qlcnic_reset_rx_buffers_list(adapter);
1737 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++)
1738 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1741 /* Usage: During suspend and firmware recovery module */
1743 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1746 if (netif_running(netdev))
1747 __qlcnic_down(adapter, netdev);
1753 qlcnic_attach(struct qlcnic_adapter *adapter)
1755 struct net_device *netdev = adapter->netdev;
1756 struct pci_dev *pdev = adapter->pdev;
1759 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1762 err = qlcnic_napi_add(adapter, netdev);
1766 err = qlcnic_alloc_sw_resources(adapter);
1768 dev_err(&pdev->dev, "Error in setting sw resources\n");
1769 goto err_out_napi_del;
1772 err = qlcnic_alloc_hw_resources(adapter);
1774 dev_err(&pdev->dev, "Error in setting hw resources\n");
1775 goto err_out_free_sw;
1778 err = qlcnic_request_irq(adapter);
1780 dev_err(&pdev->dev, "failed to setup interrupt\n");
1781 goto err_out_free_hw;
1784 qlcnic_create_sysfs_entries(adapter);
1786 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1790 qlcnic_free_hw_resources(adapter);
1792 qlcnic_free_sw_resources(adapter);
1794 qlcnic_napi_del(adapter);
1798 void qlcnic_detach(struct qlcnic_adapter *adapter)
1800 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1803 qlcnic_remove_sysfs_entries(adapter);
1805 qlcnic_free_hw_resources(adapter);
1806 qlcnic_release_rx_buffers(adapter);
1807 qlcnic_free_irq(adapter);
1808 qlcnic_napi_del(adapter);
1809 qlcnic_free_sw_resources(adapter);
1814 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1816 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1817 struct qlcnic_host_sds_ring *sds_ring;
1818 int max_tx_rings = adapter->max_drv_tx_rings;
1821 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1822 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1823 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1824 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1825 qlcnic_disable_int(sds_ring);
1829 qlcnic_fw_destroy_ctx(adapter);
1831 qlcnic_detach(adapter);
1833 adapter->ahw->diag_test = 0;
1834 adapter->max_sds_rings = max_sds_rings;
1835 adapter->max_drv_tx_rings = max_tx_rings;
1837 if (qlcnic_attach(adapter))
1840 if (netif_running(netdev))
1841 __qlcnic_up(adapter, netdev);
1843 netif_device_attach(netdev);
1846 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1848 struct qlcnic_hardware_context *ahw = adapter->ahw;
1851 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1853 if (!adapter->recv_ctx) {
1857 /* Initialize interrupt coalesce parameters */
1858 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1859 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1860 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1861 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1862 if (qlcnic_83xx_check(adapter)) {
1863 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1864 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1867 memset(&adapter->stats, 0, sizeof(adapter->stats));
1872 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1874 kfree(adapter->recv_ctx);
1875 adapter->recv_ctx = NULL;
1877 if (adapter->ahw->fw_dump.tmpl_hdr) {
1878 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1879 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1882 kfree(adapter->ahw->reset.buff);
1883 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1886 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1888 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1889 struct qlcnic_host_sds_ring *sds_ring;
1890 struct qlcnic_host_rds_ring *rds_ring;
1894 netif_device_detach(netdev);
1896 if (netif_running(netdev))
1897 __qlcnic_down(adapter, netdev);
1899 qlcnic_detach(adapter);
1901 adapter->max_sds_rings = 1;
1902 adapter->ahw->diag_test = test;
1903 adapter->ahw->linkup = 0;
1904 adapter->max_drv_tx_rings = 1;
1906 ret = qlcnic_attach(adapter);
1908 netif_device_attach(netdev);
1912 ret = qlcnic_fw_create_ctx(adapter);
1914 qlcnic_detach(adapter);
1915 netif_device_attach(netdev);
1919 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1920 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1921 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1924 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1925 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1926 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1927 qlcnic_enable_int(sds_ring);
1931 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1932 adapter->ahw->loopback_state = 0;
1933 qlcnic_linkevent_request(adapter, 1);
1936 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1941 /* Reset context in hardware only */
1943 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1945 struct net_device *netdev = adapter->netdev;
1947 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1950 netif_device_detach(netdev);
1952 qlcnic_down(adapter, netdev);
1954 qlcnic_up(adapter, netdev);
1956 netif_device_attach(netdev);
1958 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1959 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1964 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1967 struct net_device *netdev = adapter->netdev;
1969 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1972 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1974 netif_device_detach(netdev);
1976 if (netif_running(netdev))
1977 __qlcnic_down(adapter, netdev);
1979 qlcnic_detach(adapter);
1981 if (netif_running(netdev)) {
1982 err = qlcnic_attach(adapter);
1984 __qlcnic_up(adapter, netdev);
1985 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1989 netif_device_attach(netdev);
1992 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1996 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
1998 struct qlcnic_hardware_context *ahw = adapter->ahw;
1999 u16 act_pci_fn = ahw->act_pci_func;
2002 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2003 if (act_pci_fn <= 2)
2004 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2007 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2009 ahw->max_uc_count = count;
2013 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2017 struct pci_dev *pdev = adapter->pdev;
2019 adapter->rx_csum = 1;
2020 adapter->ahw->mc_enabled = 0;
2021 qlcnic_set_mac_filter_count(adapter);
2023 netdev->netdev_ops = &qlcnic_netdev_ops;
2024 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2026 qlcnic_change_mtu(netdev, netdev->mtu);
2028 if (qlcnic_sriov_vf_check(adapter))
2029 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2031 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2033 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2034 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2035 NETIF_F_HW_VLAN_CTAG_RX);
2036 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2039 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2040 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2041 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2044 if (pci_using_dac) {
2045 netdev->features |= NETIF_F_HIGHDMA;
2046 netdev->vlan_features |= NETIF_F_HIGHDMA;
2049 if (qlcnic_vlan_tx_check(adapter))
2050 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2052 if (qlcnic_sriov_vf_check(adapter))
2053 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2055 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2056 netdev->features |= NETIF_F_LRO;
2058 netdev->hw_features = netdev->features;
2059 netdev->priv_flags |= IFF_UNICAST_FLT;
2060 netdev->irq = adapter->msix_entries[0].vector;
2062 err = qlcnic_set_real_num_queues(adapter, netdev);
2066 err = register_netdev(netdev);
2068 dev_err(&pdev->dev, "failed to register net device\n");
2072 qlcnic_dcb_init_dcbnl_ops(adapter);
2077 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2079 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2080 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2082 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2083 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2086 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2093 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2096 struct qlcnic_host_tx_ring *tx_ring;
2098 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2099 tx_ring = &adapter->tx_ring[ring];
2100 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2101 vfree(tx_ring->cmd_buf_arr);
2102 tx_ring->cmd_buf_arr = NULL;
2105 if (adapter->tx_ring != NULL)
2106 kfree(adapter->tx_ring);
2109 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2110 struct net_device *netdev)
2112 int ring, vector, index;
2113 struct qlcnic_host_tx_ring *tx_ring;
2114 struct qlcnic_cmd_buffer *cmd_buf_arr;
2116 tx_ring = kcalloc(adapter->max_drv_tx_rings,
2117 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2118 if (tx_ring == NULL)
2121 adapter->tx_ring = tx_ring;
2123 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2124 tx_ring = &adapter->tx_ring[ring];
2125 tx_ring->num_desc = adapter->num_txd;
2126 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2127 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2128 if (cmd_buf_arr == NULL) {
2129 qlcnic_free_tx_rings(adapter);
2132 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2133 tx_ring->cmd_buf_arr = cmd_buf_arr;
2136 if (qlcnic_83xx_check(adapter) ||
2137 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2138 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
2139 tx_ring = &adapter->tx_ring[ring];
2140 tx_ring->adapter = adapter;
2141 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2142 index = adapter->max_sds_rings + ring;
2143 vector = adapter->msix_entries[index].vector;
2144 tx_ring->irq = vector;
2152 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2154 struct qlcnic_hardware_context *ahw = adapter->ahw;
2157 if (qlcnic_82xx_check(adapter))
2158 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2159 else if (qlcnic_83xx_check(adapter))
2160 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2162 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) &&
2163 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER))
2164 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2167 static int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
2169 return __qlcnic_register_dcb(adapter);
2172 void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter)
2174 kfree(adapter->dcb);
2175 adapter->dcb = NULL;
2179 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2181 struct net_device *netdev = NULL;
2182 struct qlcnic_adapter *adapter = NULL;
2183 struct qlcnic_hardware_context *ahw;
2184 int err, pci_using_dac = -1;
2185 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2187 if (pdev->is_virtfn)
2190 err = pci_enable_device(pdev);
2194 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2196 goto err_out_disable_pdev;
2199 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2201 goto err_out_disable_pdev;
2203 err = pci_request_regions(pdev, qlcnic_driver_name);
2205 goto err_out_disable_pdev;
2207 pci_set_master(pdev);
2208 pci_enable_pcie_error_reporting(pdev);
2210 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2213 goto err_out_free_res;
2216 switch (ent->device) {
2217 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2218 ahw->hw_ops = &qlcnic_hw_ops;
2219 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2221 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2222 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2223 qlcnic_83xx_register_map(ahw);
2225 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2226 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2227 qlcnic_sriov_vf_register_map(ahw);
2230 goto err_out_free_hw_res;
2233 err = qlcnic_setup_pci_map(pdev, ahw);
2235 goto err_out_free_hw_res;
2237 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2238 QLCNIC_MAX_TX_RINGS);
2241 goto err_out_iounmap;
2244 SET_NETDEV_DEV(netdev, &pdev->dev);
2246 adapter = netdev_priv(netdev);
2247 adapter->netdev = netdev;
2248 adapter->pdev = pdev;
2251 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2252 if (adapter->qlcnic_wq == NULL) {
2254 dev_err(&pdev->dev, "Failed to create workqueue\n");
2255 goto err_out_free_netdev;
2258 err = qlcnic_alloc_adapter_resources(adapter);
2260 goto err_out_free_wq;
2262 adapter->dev_rst_time = jiffies;
2263 adapter->ahw->revision_id = pdev->revision;
2264 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2265 adapter->fdb_mac_learn = true;
2266 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2267 adapter->drv_mac_learn = true;
2269 rwlock_init(&adapter->ahw->crb_lock);
2270 mutex_init(&adapter->ahw->mem_lock);
2272 INIT_LIST_HEAD(&adapter->mac_list);
2274 qlcnic_register_dcb(adapter);
2276 if (qlcnic_82xx_check(adapter)) {
2277 qlcnic_check_vf(adapter, ent);
2278 adapter->portnum = adapter->ahw->pci_func;
2279 err = qlcnic_start_firmware(adapter);
2281 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2282 "\t\tIf reboot doesn't help, try flashing the card\n");
2283 goto err_out_maintenance_mode;
2286 qlcnic_get_multiq_capability(adapter);
2288 if ((adapter->ahw->act_pci_func > 2) &&
2289 qlcnic_check_multi_tx(adapter)) {
2290 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS;
2291 dev_info(&adapter->pdev->dev,
2292 "vNIC mode enabled, Set max TX rings = %d\n",
2293 adapter->max_drv_tx_rings);
2296 if (!qlcnic_check_multi_tx(adapter)) {
2297 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2298 adapter->max_drv_tx_rings = 1;
2300 err = qlcnic_setup_idc_param(adapter);
2302 goto err_out_free_hw;
2304 adapter->flags |= QLCNIC_NEED_FLR;
2306 if (adapter->dcb && qlcnic_dcb_attach(adapter))
2307 qlcnic_clear_dcb_ops(adapter);
2309 } else if (qlcnic_83xx_check(adapter)) {
2310 adapter->max_drv_tx_rings = 1;
2311 qlcnic_83xx_check_vf(adapter, ent);
2312 adapter->portnum = adapter->ahw->pci_func;
2313 err = qlcnic_83xx_init(adapter, pci_using_dac);
2315 dev_err(&pdev->dev, "%s: failed\n", __func__);
2316 goto err_out_free_hw;
2318 if (qlcnic_sriov_vf_check(adapter))
2322 "%s: failed. Please Reboot\n", __func__);
2323 goto err_out_free_hw;
2326 if (qlcnic_read_mac_addr(adapter))
2327 dev_warn(&pdev->dev, "failed to read mac addr\n");
2329 qlcnic_read_phys_port_id(adapter);
2331 if (adapter->portnum == 0) {
2332 qlcnic_get_board_name(adapter, board_name);
2334 pr_info("%s: %s Board Chip rev 0x%x\n",
2335 module_name(THIS_MODULE),
2336 board_name, adapter->ahw->revision_id);
2339 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2341 dev_warn(&pdev->dev,
2342 "Device does not support MSI interrupts\n");
2344 if (qlcnic_82xx_check(adapter)) {
2345 err = qlcnic_setup_intr(adapter, 0, 0);
2347 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2348 goto err_out_disable_msi;
2352 err = qlcnic_get_act_pci_func(adapter);
2354 goto err_out_disable_mbx_intr;
2356 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2358 goto err_out_disable_mbx_intr;
2360 if (adapter->portnum == 0)
2361 qlcnic_set_drv_version(adapter);
2363 pci_set_drvdata(pdev, adapter);
2365 if (qlcnic_82xx_check(adapter))
2366 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2369 switch (adapter->ahw->port_type) {
2371 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2372 adapter->netdev->name);
2375 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2376 adapter->netdev->name);
2380 if (adapter->drv_mac_learn)
2381 qlcnic_alloc_lb_filters_mem(adapter);
2383 qlcnic_add_sysfs(adapter);
2387 err_out_disable_mbx_intr:
2388 if (qlcnic_83xx_check(adapter))
2389 qlcnic_83xx_free_mbx_intr(adapter);
2391 err_out_disable_msi:
2392 qlcnic_teardown_intr(adapter);
2393 qlcnic_cancel_idc_work(adapter);
2394 qlcnic_clr_all_drv_state(adapter, 0);
2397 qlcnic_free_adapter_resources(adapter);
2400 destroy_workqueue(adapter->qlcnic_wq);
2402 err_out_free_netdev:
2403 free_netdev(netdev);
2406 qlcnic_cleanup_pci_map(ahw);
2408 err_out_free_hw_res:
2412 pci_release_regions(pdev);
2414 err_out_disable_pdev:
2415 pci_set_drvdata(pdev, NULL);
2416 pci_disable_device(pdev);
2419 err_out_maintenance_mode:
2420 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2421 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2422 err = register_netdev(netdev);
2425 dev_err(&pdev->dev, "Failed to register net device\n");
2426 qlcnic_clr_all_drv_state(adapter, 0);
2427 goto err_out_free_hw;
2430 pci_set_drvdata(pdev, adapter);
2431 qlcnic_add_sysfs(adapter);
2436 static void qlcnic_remove(struct pci_dev *pdev)
2438 struct qlcnic_adapter *adapter;
2439 struct net_device *netdev;
2440 struct qlcnic_hardware_context *ahw;
2442 adapter = pci_get_drvdata(pdev);
2443 if (adapter == NULL)
2446 netdev = adapter->netdev;
2447 qlcnic_sriov_pf_disable(adapter);
2449 qlcnic_cancel_idc_work(adapter);
2452 qlcnic_dcb_free(adapter);
2454 unregister_netdev(netdev);
2455 qlcnic_sriov_cleanup(adapter);
2457 if (qlcnic_83xx_check(adapter)) {
2458 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2459 cancel_delayed_work_sync(&adapter->idc_aen_work);
2460 qlcnic_83xx_free_mbx_intr(adapter);
2461 qlcnic_83xx_detach_mailbox_work(adapter);
2462 qlcnic_83xx_free_mailbox(ahw->mailbox);
2463 kfree(ahw->fw_info);
2466 qlcnic_detach(adapter);
2468 if (adapter->npars != NULL)
2469 kfree(adapter->npars);
2470 if (adapter->eswitch != NULL)
2471 kfree(adapter->eswitch);
2473 if (qlcnic_82xx_check(adapter))
2474 qlcnic_clr_all_drv_state(adapter, 0);
2476 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2478 qlcnic_free_lb_filters_mem(adapter);
2480 qlcnic_teardown_intr(adapter);
2482 qlcnic_remove_sysfs(adapter);
2484 qlcnic_cleanup_pci_map(adapter->ahw);
2486 qlcnic_release_firmware(adapter);
2488 pci_disable_pcie_error_reporting(pdev);
2489 pci_release_regions(pdev);
2490 pci_disable_device(pdev);
2491 pci_set_drvdata(pdev, NULL);
2493 if (adapter->qlcnic_wq) {
2494 destroy_workqueue(adapter->qlcnic_wq);
2495 adapter->qlcnic_wq = NULL;
2498 qlcnic_free_adapter_resources(adapter);
2500 free_netdev(netdev);
2503 static void qlcnic_shutdown(struct pci_dev *pdev)
2505 if (__qlcnic_shutdown(pdev))
2508 pci_disable_device(pdev);
2512 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2516 retval = __qlcnic_shutdown(pdev);
2520 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2524 static int qlcnic_resume(struct pci_dev *pdev)
2526 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2529 err = pci_enable_device(pdev);
2533 pci_set_power_state(pdev, PCI_D0);
2534 pci_set_master(pdev);
2535 pci_restore_state(pdev);
2537 return __qlcnic_resume(adapter);
2541 static int qlcnic_open(struct net_device *netdev)
2543 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2547 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2548 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
2549 netdev_err(netdev, "%s: Device is in FAILED state\n", __func__);
2554 netif_carrier_off(netdev);
2556 err = qlcnic_attach(adapter);
2560 err = __qlcnic_up(adapter, netdev);
2564 netif_tx_start_all_queues(netdev);
2569 qlcnic_detach(adapter);
2574 * qlcnic_close - Disables a network interface entry point
2576 static int qlcnic_close(struct net_device *netdev)
2578 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2580 __qlcnic_down(adapter, netdev);
2585 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2589 struct net_device *netdev = adapter->netdev;
2590 u32 filter_size = 0;
2591 u16 act_pci_func = 0;
2593 if (adapter->fhash.fmax && adapter->fhash.fhead)
2596 act_pci_func = adapter->ahw->act_pci_func;
2597 spin_lock_init(&adapter->mac_learn_lock);
2598 spin_lock_init(&adapter->rx_mac_learn_lock);
2600 if (qlcnic_82xx_check(adapter)) {
2601 filter_size = QLCNIC_LB_MAX_FILTERS;
2602 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2604 filter_size = QLC_83XX_LB_MAX_FILTERS;
2605 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2608 head = kcalloc(adapter->fhash.fbucket_size,
2609 sizeof(struct hlist_head), GFP_ATOMIC);
2614 adapter->fhash.fmax = (filter_size / act_pci_func);
2615 adapter->fhash.fhead = head;
2617 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2618 act_pci_func, adapter->fhash.fmax);
2620 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2621 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2623 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2625 head = kcalloc(adapter->rx_fhash.fbucket_size,
2626 sizeof(struct hlist_head), GFP_ATOMIC);
2631 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2632 adapter->rx_fhash.fhead = head;
2634 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2635 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2638 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2640 if (adapter->fhash.fmax && adapter->fhash.fhead)
2641 kfree(adapter->fhash.fhead);
2643 adapter->fhash.fhead = NULL;
2644 adapter->fhash.fmax = 0;
2646 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2647 kfree(adapter->rx_fhash.fhead);
2649 adapter->rx_fhash.fmax = 0;
2650 adapter->rx_fhash.fhead = NULL;
2653 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2655 struct net_device *netdev = adapter->netdev;
2656 u32 temp_state, temp_val, temp = 0;
2659 if (qlcnic_83xx_check(adapter))
2660 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2662 if (qlcnic_82xx_check(adapter))
2663 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2665 temp_state = qlcnic_get_temp_state(temp);
2666 temp_val = qlcnic_get_temp_val(temp);
2668 if (temp_state == QLCNIC_TEMP_PANIC) {
2669 dev_err(&netdev->dev,
2670 "Device temperature %d degrees C exceeds"
2671 " maximum allowed. Hardware has been shut down.\n",
2674 } else if (temp_state == QLCNIC_TEMP_WARN) {
2675 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2676 dev_err(&netdev->dev,
2677 "Device temperature %d degrees C "
2678 "exceeds operating range."
2679 " Immediate action needed.\n",
2683 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2684 dev_info(&netdev->dev,
2685 "Device temperature is now %d degrees C"
2686 " in normal range.\n", temp_val);
2689 adapter->ahw->temp = temp_state;
2693 static void qlcnic_tx_timeout(struct net_device *netdev)
2695 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2696 struct qlcnic_host_tx_ring *tx_ring;
2699 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2702 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2703 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2704 if (qlcnic_82xx_check(adapter))
2705 adapter->need_fw_reset = 1;
2706 else if (qlcnic_83xx_check(adapter))
2707 qlcnic_83xx_idc_request_reset(adapter,
2708 QLCNIC_FORCE_FW_DUMP_KEY);
2710 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2711 if (qlcnic_82xx_check(adapter)) {
2712 for (ring = 0; ring < adapter->max_drv_tx_rings;
2714 tx_ring = &adapter->tx_ring[ring];
2715 dev_info(&netdev->dev, "ring=%d\n", ring);
2716 dev_info(&netdev->dev, "crb_intr_mask=%d\n",
2717 readl(tx_ring->crb_intr_mask));
2718 dev_info(&netdev->dev, "producer=%d\n",
2719 readl(tx_ring->crb_cmd_producer));
2720 dev_info(&netdev->dev, "sw_consumer = %d\n",
2721 tx_ring->sw_consumer);
2722 dev_info(&netdev->dev, "hw_consumer = %d\n",
2723 le32_to_cpu(*(tx_ring->hw_consumer)));
2724 dev_info(&netdev->dev, "xmit-on=%llu\n",
2726 dev_info(&netdev->dev, "xmit-off=%llu\n",
2730 adapter->ahw->reset_context = 1;
2734 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2736 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2737 struct net_device_stats *stats = &netdev->stats;
2739 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2740 stats->tx_packets = adapter->stats.xmitfinished;
2741 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2742 stats->tx_bytes = adapter->stats.txbytes;
2743 stats->rx_dropped = adapter->stats.rxdropped;
2744 stats->tx_dropped = adapter->stats.txdropped;
2749 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2753 status = readl(adapter->isr_int_vec);
2755 if (!(status & adapter->ahw->int_vec_bit))
2758 /* check interrupt state machine, to be sure */
2759 status = readl(adapter->crb_int_state_reg);
2760 if (!ISR_LEGACY_INT_TRIGGERED(status))
2763 writel(0xffffffff, adapter->tgt_status_reg);
2764 /* read twice to ensure write is flushed */
2765 readl(adapter->isr_int_vec);
2766 readl(adapter->isr_int_vec);
2771 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2773 struct qlcnic_host_sds_ring *sds_ring = data;
2774 struct qlcnic_adapter *adapter = sds_ring->adapter;
2776 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2778 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2779 writel(0xffffffff, adapter->tgt_status_reg);
2783 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2787 adapter->ahw->diag_cnt++;
2788 qlcnic_enable_int(sds_ring);
2792 static irqreturn_t qlcnic_intr(int irq, void *data)
2794 struct qlcnic_host_sds_ring *sds_ring = data;
2795 struct qlcnic_adapter *adapter = sds_ring->adapter;
2797 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2800 napi_schedule(&sds_ring->napi);
2805 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2807 struct qlcnic_host_sds_ring *sds_ring = data;
2808 struct qlcnic_adapter *adapter = sds_ring->adapter;
2810 /* clear interrupt */
2811 writel(0xffffffff, adapter->tgt_status_reg);
2813 napi_schedule(&sds_ring->napi);
2817 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2819 struct qlcnic_host_sds_ring *sds_ring = data;
2821 napi_schedule(&sds_ring->napi);
2825 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2827 struct qlcnic_host_tx_ring *tx_ring = data;
2829 napi_schedule(&tx_ring->napi);
2833 #ifdef CONFIG_NET_POLL_CONTROLLER
2834 static void qlcnic_poll_controller(struct net_device *netdev)
2837 struct qlcnic_host_sds_ring *sds_ring;
2838 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2839 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2841 disable_irq(adapter->irq);
2842 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2843 sds_ring = &recv_ctx->sds_rings[ring];
2844 qlcnic_intr(adapter->irq, sds_ring);
2846 enable_irq(adapter->irq);
2851 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2855 val = adapter->portnum & 0xf;
2856 val |= encoding << 7;
2857 val |= (jiffies - adapter->dev_rst_time) << 8;
2859 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2860 adapter->dev_rst_time = jiffies;
2864 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2868 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2869 state != QLCNIC_DEV_NEED_QUISCENT);
2871 if (qlcnic_api_lock(adapter))
2874 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2876 if (state == QLCNIC_DEV_NEED_RESET)
2877 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2878 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2879 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2881 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2883 qlcnic_api_unlock(adapter);
2889 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2893 if (qlcnic_api_lock(adapter))
2896 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2897 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2898 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2900 qlcnic_api_unlock(adapter);
2905 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2909 if (qlcnic_api_lock(adapter))
2912 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2913 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2914 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2917 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2919 dev_info(&adapter->pdev->dev,
2920 "Device state set to Failed. Please Reboot\n");
2921 } else if (!(val & 0x11111111))
2922 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2925 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2926 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2927 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2929 qlcnic_api_unlock(adapter);
2931 adapter->fw_fail_cnt = 0;
2932 adapter->flags &= ~QLCNIC_FW_HANG;
2933 clear_bit(__QLCNIC_START_FW, &adapter->state);
2934 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2937 /* Grab api lock, before checking state */
2939 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2941 int act, state, active_mask;
2942 struct qlcnic_hardware_context *ahw = adapter->ahw;
2944 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2945 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2947 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2948 active_mask = (~(1 << (ahw->pci_func * 4)));
2949 act = act & active_mask;
2952 if (((state & 0x11111111) == (act & 0x11111111)) ||
2953 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2959 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2961 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2963 if (val != QLCNIC_DRV_IDC_VER) {
2964 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2965 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2972 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2974 u32 val, prev_state;
2975 u8 dev_init_timeo = adapter->dev_init_timeo;
2976 u8 portnum = adapter->portnum;
2979 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2982 if (qlcnic_api_lock(adapter))
2985 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2986 if (!(val & (1 << (portnum * 4)))) {
2987 QLC_DEV_SET_REF_CNT(val, portnum);
2988 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2991 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2992 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2994 switch (prev_state) {
2995 case QLCNIC_DEV_COLD:
2996 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2997 QLCNIC_DEV_INITIALIZING);
2998 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2999 QLCNIC_DRV_IDC_VER);
3000 qlcnic_idc_debug_info(adapter, 0);
3001 qlcnic_api_unlock(adapter);
3004 case QLCNIC_DEV_READY:
3005 ret = qlcnic_check_idc_ver(adapter);
3006 qlcnic_api_unlock(adapter);
3009 case QLCNIC_DEV_NEED_RESET:
3010 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3011 QLC_DEV_SET_RST_RDY(val, portnum);
3012 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3015 case QLCNIC_DEV_NEED_QUISCENT:
3016 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3017 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3018 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3021 case QLCNIC_DEV_FAILED:
3022 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3023 qlcnic_api_unlock(adapter);
3026 case QLCNIC_DEV_INITIALIZING:
3027 case QLCNIC_DEV_QUISCENT:
3031 qlcnic_api_unlock(adapter);
3035 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3037 if (prev_state == QLCNIC_DEV_QUISCENT)
3039 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3041 if (!dev_init_timeo) {
3042 dev_err(&adapter->pdev->dev,
3043 "Waiting for device to initialize timeout\n");
3047 if (qlcnic_api_lock(adapter))
3050 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3051 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3052 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3054 ret = qlcnic_check_idc_ver(adapter);
3055 qlcnic_api_unlock(adapter);
3061 qlcnic_fwinit_work(struct work_struct *work)
3063 struct qlcnic_adapter *adapter = container_of(work,
3064 struct qlcnic_adapter, fw_work.work);
3065 u32 dev_state = 0xf;
3068 if (qlcnic_api_lock(adapter))
3071 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3072 if (dev_state == QLCNIC_DEV_QUISCENT ||
3073 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3074 qlcnic_api_unlock(adapter);
3075 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3080 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3081 qlcnic_api_unlock(adapter);
3085 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3086 dev_state == QLCNIC_DEV_READY) {
3087 dev_info(&adapter->pdev->dev, "Detected state change from "
3088 "DEV_NEED_RESET, skipping ack check\n");
3089 goto skip_ack_check;
3092 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3093 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3094 adapter->reset_ack_timeo);
3095 goto skip_ack_check;
3098 if (!qlcnic_check_drv_state(adapter)) {
3100 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3102 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3103 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3104 QLCNIC_DEV_INITIALIZING);
3105 set_bit(__QLCNIC_START_FW, &adapter->state);
3106 QLCDB(adapter, DRV, "Restarting fw\n");
3107 qlcnic_idc_debug_info(adapter, 0);
3108 val = QLC_SHARED_REG_RD32(adapter,
3109 QLCNIC_CRB_DRV_STATE);
3110 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3111 QLC_SHARED_REG_WR32(adapter,
3112 QLCNIC_CRB_DRV_STATE, val);
3115 qlcnic_api_unlock(adapter);
3118 if (qlcnic_check_fw_dump_state(adapter) &&
3119 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3120 QLCDB(adapter, DRV, "Take FW dump\n");
3121 qlcnic_dump_fw(adapter);
3122 adapter->flags |= QLCNIC_FW_HANG;
3126 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3127 if (!adapter->nic_ops->start_firmware(adapter)) {
3128 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3129 adapter->fw_wait_cnt = 0;
3135 qlcnic_api_unlock(adapter);
3138 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3139 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3141 switch (dev_state) {
3142 case QLCNIC_DEV_READY:
3143 if (!qlcnic_start_firmware(adapter)) {
3144 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3145 adapter->fw_wait_cnt = 0;
3148 case QLCNIC_DEV_FAILED:
3151 qlcnic_schedule_work(adapter,
3152 qlcnic_fwinit_work, FW_POLL_DELAY);
3157 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3158 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3159 netif_device_attach(adapter->netdev);
3160 qlcnic_clr_all_drv_state(adapter, 0);
3164 qlcnic_detach_work(struct work_struct *work)
3166 struct qlcnic_adapter *adapter = container_of(work,
3167 struct qlcnic_adapter, fw_work.work);
3168 struct net_device *netdev = adapter->netdev;
3171 netif_device_detach(netdev);
3173 /* Dont grab rtnl lock during Quiscent mode */
3174 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3175 if (netif_running(netdev))
3176 __qlcnic_down(adapter, netdev);
3178 qlcnic_down(adapter, netdev);
3180 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3182 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3183 dev_err(&adapter->pdev->dev,
3184 "Detaching the device: peg halt status1=0x%x\n",
3187 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3188 dev_err(&adapter->pdev->dev,
3189 "On board active cooling fan failed. "
3190 "Device has been halted.\n");
3191 dev_err(&adapter->pdev->dev,
3192 "Replace the adapter.\n");
3198 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3199 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3200 adapter->ahw->temp);
3204 /* Dont ack if this instance is the reset owner */
3205 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3206 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3207 dev_err(&adapter->pdev->dev,
3208 "Failed to set driver state,"
3209 "detaching the device.\n");
3214 adapter->fw_wait_cnt = 0;
3216 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3221 netif_device_attach(netdev);
3222 qlcnic_clr_all_drv_state(adapter, 1);
3225 /*Transit NPAR state to NON Operational */
3227 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3231 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3232 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3235 if (qlcnic_api_lock(adapter))
3237 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3238 QLCNIC_DEV_NPAR_NON_OPER);
3239 qlcnic_api_unlock(adapter);
3242 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
3244 u32 state, xg_val = 0, gb_val = 0;
3246 qlcnic_xg_set_xg0_mask(xg_val);
3247 qlcnic_xg_set_xg1_mask(xg_val);
3248 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3249 qlcnic_gb_set_gb0_mask(gb_val);
3250 qlcnic_gb_set_gb1_mask(gb_val);
3251 qlcnic_gb_set_gb2_mask(gb_val);
3252 qlcnic_gb_set_gb3_mask(gb_val);
3253 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3254 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3256 adapter->need_fw_reset = 1;
3258 if (qlcnic_api_lock(adapter))
3261 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3262 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
3263 netdev_err(adapter->netdev, "%s: Device is in FAILED state\n",
3265 qlcnic_api_unlock(adapter);
3270 if (state == QLCNIC_DEV_READY) {
3271 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3272 QLCNIC_DEV_NEED_RESET);
3273 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3274 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3275 qlcnic_idc_debug_info(adapter, 0);
3278 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3279 QLCNIC_DEV_NPAR_NON_OPER);
3280 qlcnic_api_unlock(adapter);
3283 /* Transit to NPAR READY state from NPAR NOT READY state */
3285 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3287 if (qlcnic_api_lock(adapter))
3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3291 QLCNIC_DEV_NPAR_OPER);
3292 QLCDB(adapter, DRV, "NPAR operational state set\n");
3294 qlcnic_api_unlock(adapter);
3297 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3298 work_func_t func, int delay)
3300 if (test_bit(__QLCNIC_AER, &adapter->state))
3303 INIT_DELAYED_WORK(&adapter->fw_work, func);
3304 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3305 round_jiffies_relative(delay));
3309 qlcnic_attach_work(struct work_struct *work)
3311 struct qlcnic_adapter *adapter = container_of(work,
3312 struct qlcnic_adapter, fw_work.work);
3313 struct net_device *netdev = adapter->netdev;
3316 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3317 npar_state = QLC_SHARED_REG_RD32(adapter,
3318 QLCNIC_CRB_DEV_NPAR_STATE);
3319 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3320 qlcnic_clr_all_drv_state(adapter, 0);
3321 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3322 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3326 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3330 qlcnic_dcb_get_info(adapter);
3332 if (netif_running(netdev)) {
3333 if (qlcnic_up(adapter, netdev))
3336 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3340 netif_device_attach(netdev);
3341 adapter->fw_fail_cnt = 0;
3342 adapter->flags &= ~QLCNIC_FW_HANG;
3343 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3344 if (adapter->portnum == 0)
3345 qlcnic_set_drv_version(adapter);
3347 if (!qlcnic_clr_drv_state(adapter))
3348 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3353 qlcnic_check_health(struct qlcnic_adapter *adapter)
3355 u32 state = 0, heartbeat;
3359 if (qlcnic_check_temp(adapter))
3362 if (adapter->need_fw_reset)
3363 qlcnic_dev_request_reset(adapter, 0);
3365 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3366 if (state == QLCNIC_DEV_NEED_RESET) {
3367 qlcnic_set_npar_non_operational(adapter);
3368 adapter->need_fw_reset = 1;
3369 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3372 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3373 if (heartbeat != adapter->heartbeat) {
3374 adapter->heartbeat = heartbeat;
3375 adapter->fw_fail_cnt = 0;
3376 if (adapter->need_fw_reset)
3379 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset)
3380 qlcnic_reset_hw_context(adapter);
3385 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3388 adapter->flags |= QLCNIC_FW_HANG;
3390 qlcnic_dev_request_reset(adapter, 0);
3392 if (qlcnic_auto_fw_reset)
3393 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3395 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3396 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3397 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3398 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3399 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3400 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3401 "PEG_NET_4_PC: 0x%x\n",
3403 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3404 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3405 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3406 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3407 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3408 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3409 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3410 dev_err(&adapter->pdev->dev,
3411 "Firmware aborted with error code 0x00006700. "
3412 "Device is being reset.\n");
3414 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3415 QLCNIC_DEV_NEED_RESET;
3417 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3420 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3421 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3427 void qlcnic_fw_poll_work(struct work_struct *work)
3429 struct qlcnic_adapter *adapter = container_of(work,
3430 struct qlcnic_adapter, fw_work.work);
3432 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3436 if (qlcnic_check_health(adapter))
3439 if (adapter->fhash.fnum)
3440 qlcnic_prune_lb_filters(adapter);
3443 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3446 static int qlcnic_is_first_func(struct pci_dev *pdev)
3448 struct pci_dev *oth_pdev;
3449 int val = pdev->devfn;
3452 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3453 (pdev->bus), pdev->bus->number,
3454 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3458 if (oth_pdev->current_state != PCI_D3cold) {
3459 pci_dev_put(oth_pdev);
3462 pci_dev_put(oth_pdev);
3467 static int qlcnic_attach_func(struct pci_dev *pdev)
3469 int err, first_func;
3470 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3471 struct net_device *netdev = adapter->netdev;
3473 pdev->error_state = pci_channel_io_normal;
3475 err = pci_enable_device(pdev);
3479 pci_set_master(pdev);
3480 pci_restore_state(pdev);
3482 first_func = qlcnic_is_first_func(pdev);
3484 if (qlcnic_api_lock(adapter))
3487 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3488 adapter->need_fw_reset = 1;
3489 set_bit(__QLCNIC_START_FW, &adapter->state);
3490 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3491 QLCNIC_DEV_INITIALIZING);
3492 QLCDB(adapter, DRV, "Restarting fw\n");
3494 qlcnic_api_unlock(adapter);
3496 err = qlcnic_start_firmware(adapter);
3500 qlcnic_clr_drv_state(adapter);
3501 kfree(adapter->msix_entries);
3502 adapter->msix_entries = NULL;
3503 err = qlcnic_setup_intr(adapter, 0, 0);
3506 kfree(adapter->msix_entries);
3507 netdev_err(netdev, "failed to setup interrupt\n");
3511 if (netif_running(netdev)) {
3512 err = qlcnic_attach(adapter);
3514 qlcnic_clr_all_drv_state(adapter, 1);
3515 clear_bit(__QLCNIC_AER, &adapter->state);
3516 netif_device_attach(netdev);
3520 err = qlcnic_up(adapter, netdev);
3524 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3527 netif_device_attach(netdev);
3531 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3532 pci_channel_state_t state)
3534 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3535 struct net_device *netdev = adapter->netdev;
3537 if (state == pci_channel_io_perm_failure)
3538 return PCI_ERS_RESULT_DISCONNECT;
3540 if (state == pci_channel_io_normal)
3541 return PCI_ERS_RESULT_RECOVERED;
3543 set_bit(__QLCNIC_AER, &adapter->state);
3544 netif_device_detach(netdev);
3546 cancel_delayed_work_sync(&adapter->fw_work);
3548 if (netif_running(netdev))
3549 qlcnic_down(adapter, netdev);
3551 qlcnic_detach(adapter);
3552 qlcnic_teardown_intr(adapter);
3554 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3556 pci_save_state(pdev);
3557 pci_disable_device(pdev);
3559 return PCI_ERS_RESULT_NEED_RESET;
3562 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3564 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3565 PCI_ERS_RESULT_RECOVERED;
3568 void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3571 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3573 pci_cleanup_aer_uncorrect_error_status(pdev);
3574 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3575 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3577 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3581 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3582 pci_channel_state_t state)
3584 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3585 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3587 if (hw_ops->io_error_detected) {
3588 return hw_ops->io_error_detected(pdev, state);
3590 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3591 return PCI_ERS_RESULT_DISCONNECT;
3595 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3597 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3598 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3600 if (hw_ops->io_slot_reset) {
3601 return hw_ops->io_slot_reset(pdev);
3603 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3604 return PCI_ERS_RESULT_DISCONNECT;
3608 static void qlcnic_io_resume(struct pci_dev *pdev)
3610 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3611 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3613 if (hw_ops->io_resume)
3614 hw_ops->io_resume(pdev);
3616 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3621 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3625 err = qlcnic_can_start_firmware(adapter);
3629 err = qlcnic_check_npar_opertional(adapter);
3633 err = qlcnic_initialize_nic(adapter);
3637 qlcnic_check_options(adapter);
3639 err = qlcnic_set_eswitch_port_config(adapter);
3643 adapter->need_fw_reset = 0;
3648 int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq)
3650 struct net_device *netdev = adapter->netdev;
3651 u8 max_hw = QLCNIC_MAX_TX_RINGS;
3654 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3655 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n");
3659 if (!qlcnic_check_multi_tx(adapter)) {
3660 netdev_err(netdev, "No Multi TX-Q support\n");
3664 if (txq > QLCNIC_MAX_TX_RINGS) {
3665 netdev_err(netdev, "Invalid ring count\n");
3669 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3670 num_online_cpus()));
3671 if ((txq > max_allowed) || !is_power_of_2(txq)) {
3672 if (!is_power_of_2(txq))
3674 "TX queue should be a power of 2\n");
3675 if (txq > num_online_cpus())
3677 "Tx queue should not be higher than [%u], number of online CPUs in the system\n",
3679 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq);
3686 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter,
3689 struct net_device *netdev = adapter->netdev;
3690 u8 max_hw = adapter->ahw->max_rx_ques;
3693 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
3694 netdev_err(netdev, "No RSS support in INT-x mode\n");
3698 if (val > QLCNIC_MAX_SDS_RINGS) {
3699 netdev_err(netdev, "RSS value should not be higher than %u\n",
3700 QLCNIC_MAX_SDS_RINGS);
3704 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3705 num_online_cpus()));
3706 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3707 if (!is_power_of_2(val))
3708 netdev_err(netdev, "RSS value should be a power of 2\n");
3711 netdev_err(netdev, "RSS value should not be lower than 2\n");
3715 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n",
3718 if (val > num_online_cpus())
3720 "RSS value should not be higher than[%u], number of online CPUs in the system\n",
3723 netdev_err(netdev, "Unable to configure %u RSS rings\n", val);
3730 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq)
3733 struct net_device *netdev = adapter->netdev;
3736 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3739 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x &&
3741 netdev_err(netdev, "No RSS support in INT-x mode\n");
3745 netif_device_detach(netdev);
3746 if (netif_running(netdev))
3747 __qlcnic_down(adapter, netdev);
3749 qlcnic_detach(adapter);
3751 if (qlcnic_82xx_check(adapter)) {
3753 adapter->max_drv_tx_rings = txq;
3755 if (qlcnic_check_multi_tx(adapter) &&
3756 (txq > adapter->max_drv_tx_rings))
3757 num_msix = adapter->max_drv_tx_rings;
3762 if (qlcnic_83xx_check(adapter)) {
3763 qlcnic_83xx_free_mbx_intr(adapter);
3764 qlcnic_83xx_enable_mbx_poll(adapter);
3767 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings);
3769 qlcnic_teardown_intr(adapter);
3771 err = qlcnic_setup_intr(adapter, data, txq);
3773 kfree(adapter->msix_entries);
3774 netdev_err(netdev, "failed to setup interrupt\n");
3778 if (qlcnic_83xx_check(adapter)) {
3779 /* register for NIC IDC AEN Events */
3780 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3781 err = qlcnic_83xx_setup_mbx_intr(adapter);
3782 qlcnic_83xx_disable_mbx_poll(adapter);
3784 dev_err(&adapter->pdev->dev,
3785 "failed to setup mbx interrupt\n");
3790 if (netif_running(netdev)) {
3791 err = qlcnic_attach(adapter);
3794 err = __qlcnic_up(adapter, netdev);
3797 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3800 netif_device_attach(netdev);
3801 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3807 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3810 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3811 struct net_device *dev, unsigned long event)
3813 struct in_device *indev;
3815 indev = in_dev_get(dev);
3822 qlcnic_config_ipaddr(adapter,
3823 ifa->ifa_address, QLCNIC_IP_UP);
3826 qlcnic_config_ipaddr(adapter,
3827 ifa->ifa_address, QLCNIC_IP_DOWN);
3832 } endfor_ifa(indev);
3837 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3839 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3840 struct net_device *dev;
3843 qlcnic_config_indev_addr(adapter, netdev, event);
3846 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3847 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
3850 qlcnic_config_indev_addr(adapter, dev, event);
3855 static int qlcnic_netdev_event(struct notifier_block *this,
3856 unsigned long event, void *ptr)
3858 struct qlcnic_adapter *adapter;
3859 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3865 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3866 dev = vlan_dev_real_dev(dev);
3870 if (!is_qlcnic_netdev(dev))
3873 adapter = netdev_priv(dev);
3878 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3881 qlcnic_config_indev_addr(adapter, dev, event);
3887 qlcnic_inetaddr_event(struct notifier_block *this,
3888 unsigned long event, void *ptr)
3890 struct qlcnic_adapter *adapter;
3891 struct net_device *dev;
3893 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3895 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3901 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3902 dev = vlan_dev_real_dev(dev);
3906 if (!is_qlcnic_netdev(dev))
3909 adapter = netdev_priv(dev);
3914 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3919 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3923 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3934 static struct notifier_block qlcnic_netdev_cb = {
3935 .notifier_call = qlcnic_netdev_event,
3938 static struct notifier_block qlcnic_inetaddr_cb = {
3939 .notifier_call = qlcnic_inetaddr_event,
3942 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3945 static const struct pci_error_handlers qlcnic_err_handler = {
3946 .error_detected = qlcnic_io_error_detected,
3947 .slot_reset = qlcnic_io_slot_reset,
3948 .resume = qlcnic_io_resume,
3951 static struct pci_driver qlcnic_driver = {
3952 .name = qlcnic_driver_name,
3953 .id_table = qlcnic_pci_tbl,
3954 .probe = qlcnic_probe,
3955 .remove = qlcnic_remove,
3957 .suspend = qlcnic_suspend,
3958 .resume = qlcnic_resume,
3960 .shutdown = qlcnic_shutdown,
3961 .err_handler = &qlcnic_err_handler,
3962 #ifdef CONFIG_QLCNIC_SRIOV
3963 .sriov_configure = qlcnic_pci_sriov_configure,
3968 static int __init qlcnic_init_module(void)
3972 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3975 register_netdevice_notifier(&qlcnic_netdev_cb);
3976 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3979 ret = pci_register_driver(&qlcnic_driver);
3982 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3983 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3990 module_init(qlcnic_init_module);
3992 static void __exit qlcnic_exit_module(void)
3994 pci_unregister_driver(&qlcnic_driver);
3997 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3998 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4002 module_exit(qlcnic_exit_module);