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 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
85 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
86 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
87 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
88 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
89 static void qlcnic_82xx_io_resume(struct pci_dev *);
90 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
91 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
94 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
96 struct qlcnic_hardware_context *ahw = adapter->ahw;
98 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
99 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
104 /* PCI Device ID Table */
105 #define ENTRY(device) \
106 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
107 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
109 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
112 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
118 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
121 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
123 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
126 static const u32 msi_tgt_status[8] = {
127 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
128 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
129 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
130 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
133 static const u32 qlcnic_reg_tbl[] = {
134 0x1B20A8, /* PEG_HALT_STAT1 */
135 0x1B20AC, /* PEG_HALT_STAT2 */
136 0x1B20B0, /* FW_HEARTBEAT */
137 0x1B2100, /* LOCK ID */
138 0x1B2128, /* FW_CAPABILITIES */
139 0x1B2138, /* drv active */
140 0x1B2140, /* dev state */
141 0x1B2144, /* drv state */
142 0x1B2148, /* drv scratch */
143 0x1B214C, /* dev partition info */
144 0x1B2174, /* drv idc ver */
145 0x1B2150, /* fw version major */
146 0x1B2154, /* fw version minor */
147 0x1B2158, /* fw version sub */
148 0x1B219C, /* npar state */
149 0x1B21FC, /* FW_IMG_VALID */
150 0x1B2250, /* CMD_PEG_STATE */
151 0x1B233C, /* RCV_PEG_STATE */
152 0x1B23B4, /* ASIC TEMP */
153 0x1B216C, /* FW api */
154 0x1B2170, /* drv op mode */
155 0x13C010, /* flash lock */
156 0x13C014, /* flash unlock */
159 static const struct qlcnic_board_info qlcnic_boards[] = {
160 { PCI_VENDOR_ID_QLOGIC,
161 PCI_DEVICE_ID_QLOGIC_QLE844X,
164 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
165 { PCI_VENDOR_ID_QLOGIC,
166 PCI_DEVICE_ID_QLOGIC_QLE834X,
167 PCI_VENDOR_ID_QLOGIC,
169 "8300 Series Dual Port 10GbE Converged Network Adapter "
170 "(TCP/IP Networking)" },
171 { PCI_VENDOR_ID_QLOGIC,
172 PCI_DEVICE_ID_QLOGIC_QLE834X,
173 PCI_VENDOR_ID_QLOGIC,
175 "8300 Series Single Port 10GbE Converged Network Adapter "
176 "(TCP/IP Networking)" },
177 { PCI_VENDOR_ID_QLOGIC,
178 PCI_DEVICE_ID_QLOGIC_QLE834X,
179 PCI_VENDOR_ID_QLOGIC,
181 "8300 Series Dual Port 10GbE Converged Network Adapter "
182 "(TCP/IP Networking)" },
183 { PCI_VENDOR_ID_QLOGIC,
184 PCI_DEVICE_ID_QLOGIC_QLE834X,
185 PCI_VENDOR_ID_QLOGIC,
187 "8300 Series Dual Port 10GbE Converged Network Adapter "
188 "(TCP/IP Networking)" },
189 { PCI_VENDOR_ID_QLOGIC,
190 PCI_DEVICE_ID_QLOGIC_QLE834X,
191 PCI_VENDOR_ID_QLOGIC,
193 "8300 Series Dual Port 10GbE Converged Network Adapter "
194 "(TCP/IP Networking)" },
195 { PCI_VENDOR_ID_QLOGIC,
196 PCI_DEVICE_ID_QLOGIC_QLE834X,
197 PCI_VENDOR_ID_QLOGIC,
199 "8300 Series Dual Port 10GbE Converged Network Adapter "
200 "(TCP/IP Networking)" },
201 { PCI_VENDOR_ID_QLOGIC,
202 PCI_DEVICE_ID_QLOGIC_QLE834X,
203 PCI_VENDOR_ID_QLOGIC,
205 "8300 Series Dual Port 10GbE Converged Network Adapter "
206 "(TCP/IP Networking)" },
207 { PCI_VENDOR_ID_QLOGIC,
208 PCI_DEVICE_ID_QLOGIC_QLE834X,
209 PCI_VENDOR_ID_QLOGIC,
211 "8300 Series Single Port 10GbE Converged Network Adapter "
212 "(TCP/IP Networking)" },
213 { PCI_VENDOR_ID_QLOGIC,
214 PCI_DEVICE_ID_QLOGIC_QLE834X,
215 PCI_VENDOR_ID_QLOGIC,
217 "8300 Series Dual Port 10GbE Converged Network Adapter "
218 "(TCP/IP Networking)" },
219 { PCI_VENDOR_ID_QLOGIC,
220 PCI_DEVICE_ID_QLOGIC_QLE834X,
221 PCI_VENDOR_ID_QLOGIC,
223 "8300 Series Dual Port 10GbE Converged Network Adapter "
224 "(TCP/IP Networking)" },
225 { PCI_VENDOR_ID_QLOGIC,
226 PCI_DEVICE_ID_QLOGIC_QLE834X,
227 0x0, 0x0, "8300 Series 1/10GbE Controller" },
228 { PCI_VENDOR_ID_QLOGIC,
229 PCI_DEVICE_ID_QLOGIC_QLE824X,
230 PCI_VENDOR_ID_QLOGIC,
232 "8200 Series Single Port 10GbE Converged Network Adapter"
233 "(TCP/IP Networking)" },
234 { PCI_VENDOR_ID_QLOGIC,
235 PCI_DEVICE_ID_QLOGIC_QLE824X,
236 PCI_VENDOR_ID_QLOGIC,
238 "8200 Series Dual Port 10GbE Converged Network Adapter"
239 "(TCP/IP Networking)" },
240 { PCI_VENDOR_ID_QLOGIC,
241 PCI_DEVICE_ID_QLOGIC_QLE824X,
242 PCI_VENDOR_ID_QLOGIC,
244 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
245 { PCI_VENDOR_ID_QLOGIC,
246 PCI_DEVICE_ID_QLOGIC_QLE824X,
247 PCI_VENDOR_ID_QLOGIC,
249 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
250 { PCI_VENDOR_ID_QLOGIC,
251 PCI_DEVICE_ID_QLOGIC_QLE824X,
252 PCI_VENDOR_ID_QLOGIC,
254 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
255 { PCI_VENDOR_ID_QLOGIC,
256 PCI_DEVICE_ID_QLOGIC_QLE824X,
258 "NC523SFP 10Gb 2-port Server Adapter" },
259 { PCI_VENDOR_ID_QLOGIC,
260 PCI_DEVICE_ID_QLOGIC_QLE824X,
262 "CN1000Q Dual Port Converged Network Adapter" },
263 { PCI_VENDOR_ID_QLOGIC,
264 PCI_DEVICE_ID_QLOGIC_QLE824X,
265 PCI_VENDOR_ID_QLOGIC,
267 "QME8242-k 10GbE Dual Port Mezzanine Card" },
268 { PCI_VENDOR_ID_QLOGIC,
269 PCI_DEVICE_ID_QLOGIC_QLE824X,
270 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
273 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
276 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
278 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
280 int size = sizeof(struct qlcnic_host_sds_ring) * count;
282 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
284 return recv_ctx->sds_rings == NULL;
287 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
289 if (recv_ctx->sds_rings != NULL)
290 kfree(recv_ctx->sds_rings);
292 recv_ctx->sds_rings = NULL;
295 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
297 struct net_device *netdev = adapter->netdev;
298 struct pci_dev *pdev = adapter->pdev;
299 u8 mac_addr[ETH_ALEN];
302 ret = qlcnic_get_mac_address(adapter, mac_addr,
303 adapter->ahw->pci_func);
307 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
308 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
310 /* set station address */
312 if (!is_valid_ether_addr(netdev->dev_addr))
313 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
319 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
321 struct qlcnic_mac_vlan_list *cur;
322 struct list_head *head;
324 list_for_each(head, &adapter->mac_list) {
325 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
326 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
327 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
329 list_del(&cur->list);
336 static int qlcnic_set_mac(struct net_device *netdev, void *p)
338 struct qlcnic_adapter *adapter = netdev_priv(netdev);
339 struct sockaddr *addr = p;
341 if (qlcnic_sriov_vf_check(adapter))
344 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
347 if (!is_valid_ether_addr(addr->sa_data))
350 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
354 netif_device_detach(netdev);
355 qlcnic_napi_disable(adapter);
358 qlcnic_delete_adapter_mac(adapter);
359 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
360 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
361 qlcnic_set_multi(adapter->netdev);
363 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
364 netif_device_attach(netdev);
365 qlcnic_napi_enable(adapter);
370 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
371 struct net_device *netdev, const unsigned char *addr)
373 struct qlcnic_adapter *adapter = netdev_priv(netdev);
374 int err = -EOPNOTSUPP;
376 if (!adapter->fdb_mac_learn)
377 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
379 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
380 if (is_unicast_ether_addr(addr)) {
381 err = dev_uc_del(netdev, addr);
383 err = qlcnic_nic_del_mac(adapter, addr);
384 } else if (is_multicast_ether_addr(addr)) {
385 err = dev_mc_del(netdev, addr);
393 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
394 struct net_device *netdev,
395 const unsigned char *addr, u16 flags)
397 struct qlcnic_adapter *adapter = netdev_priv(netdev);
400 if (!adapter->fdb_mac_learn)
401 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
403 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
404 pr_info("%s: FDB e-switch is not enabled\n", __func__);
408 if (ether_addr_equal(addr, adapter->mac_addr))
411 if (is_unicast_ether_addr(addr)) {
412 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
413 err = dev_uc_add_excl(netdev, addr);
416 } else if (is_multicast_ether_addr(addr)) {
417 err = dev_mc_add_excl(netdev, addr);
425 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
426 struct net_device *netdev, int idx)
428 struct qlcnic_adapter *adapter = netdev_priv(netdev);
430 if (!adapter->fdb_mac_learn)
431 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
433 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
434 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
439 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
441 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
442 usleep_range(10000, 11000);
444 if (!adapter->fw_work.work.func)
447 cancel_delayed_work_sync(&adapter->fw_work);
450 static int qlcnic_get_phys_port_id(struct net_device *netdev,
451 struct netdev_phys_port_id *ppid)
453 struct qlcnic_adapter *adapter = netdev_priv(netdev);
454 struct qlcnic_hardware_context *ahw = adapter->ahw;
456 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
459 ppid->id_len = sizeof(ahw->phys_port_id);
460 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
465 static const struct net_device_ops qlcnic_netdev_ops = {
466 .ndo_open = qlcnic_open,
467 .ndo_stop = qlcnic_close,
468 .ndo_start_xmit = qlcnic_xmit_frame,
469 .ndo_get_stats = qlcnic_get_stats,
470 .ndo_validate_addr = eth_validate_addr,
471 .ndo_set_rx_mode = qlcnic_set_multi,
472 .ndo_set_mac_address = qlcnic_set_mac,
473 .ndo_change_mtu = qlcnic_change_mtu,
474 .ndo_fix_features = qlcnic_fix_features,
475 .ndo_set_features = qlcnic_set_features,
476 .ndo_tx_timeout = qlcnic_tx_timeout,
477 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
478 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
479 .ndo_fdb_add = qlcnic_fdb_add,
480 .ndo_fdb_del = qlcnic_fdb_del,
481 .ndo_fdb_dump = qlcnic_fdb_dump,
482 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
483 #ifdef CONFIG_NET_POLL_CONTROLLER
484 .ndo_poll_controller = qlcnic_poll_controller,
486 #ifdef CONFIG_QLCNIC_SRIOV
487 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
488 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
489 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
490 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
491 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
495 static const struct net_device_ops qlcnic_netdev_failed_ops = {
496 .ndo_open = qlcnic_open,
499 static struct qlcnic_nic_template qlcnic_ops = {
500 .config_bridged_mode = qlcnic_config_bridged_mode,
501 .config_led = qlcnic_82xx_config_led,
502 .start_firmware = qlcnic_82xx_start_firmware,
503 .request_reset = qlcnic_82xx_dev_request_reset,
504 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
505 .napi_add = qlcnic_82xx_napi_add,
506 .napi_del = qlcnic_82xx_napi_del,
507 .config_ipaddr = qlcnic_82xx_config_ipaddr,
508 .shutdown = qlcnic_82xx_shutdown,
509 .resume = qlcnic_82xx_resume,
510 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
513 struct qlcnic_nic_template qlcnic_vf_ops = {
514 .config_bridged_mode = qlcnicvf_config_bridged_mode,
515 .config_led = qlcnicvf_config_led,
516 .start_firmware = qlcnicvf_start_firmware
519 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
520 .read_crb = qlcnic_82xx_read_crb,
521 .write_crb = qlcnic_82xx_write_crb,
522 .read_reg = qlcnic_82xx_hw_read_wx_2M,
523 .write_reg = qlcnic_82xx_hw_write_wx_2M,
524 .get_mac_address = qlcnic_82xx_get_mac_address,
525 .setup_intr = qlcnic_82xx_setup_intr,
526 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
527 .mbx_cmd = qlcnic_82xx_issue_cmd,
528 .get_func_no = qlcnic_82xx_get_func_no,
529 .api_lock = qlcnic_82xx_api_lock,
530 .api_unlock = qlcnic_82xx_api_unlock,
531 .add_sysfs = qlcnic_82xx_add_sysfs,
532 .remove_sysfs = qlcnic_82xx_remove_sysfs,
533 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
534 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
535 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
536 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
537 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
538 .setup_link_event = qlcnic_82xx_linkevent_request,
539 .get_nic_info = qlcnic_82xx_get_nic_info,
540 .get_pci_info = qlcnic_82xx_get_pci_info,
541 .set_nic_info = qlcnic_82xx_set_nic_info,
542 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
543 .napi_enable = qlcnic_82xx_napi_enable,
544 .napi_disable = qlcnic_82xx_napi_disable,
545 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
546 .config_rss = qlcnic_82xx_config_rss,
547 .config_hw_lro = qlcnic_82xx_config_hw_lro,
548 .config_loopback = qlcnic_82xx_set_lb_mode,
549 .clear_loopback = qlcnic_82xx_clear_lb_mode,
550 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
551 .change_l2_filter = qlcnic_82xx_change_filter,
552 .get_board_info = qlcnic_82xx_get_board_info,
553 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
554 .free_mac_list = qlcnic_82xx_free_mac_list,
555 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
556 .io_error_detected = qlcnic_82xx_io_error_detected,
557 .io_slot_reset = qlcnic_82xx_io_slot_reset,
558 .io_resume = qlcnic_82xx_io_resume,
559 .get_beacon_state = qlcnic_82xx_get_beacon_state,
560 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
561 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
562 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
563 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
566 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
568 struct qlcnic_hardware_context *ahw = adapter->ahw;
570 if (qlcnic_82xx_check(adapter) &&
571 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
572 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
579 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
582 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
584 if (queue_type == QLCNIC_RX_QUEUE)
585 max_rings = adapter->max_sds_rings;
586 else if (queue_type == QLCNIC_TX_QUEUE)
587 max_rings = adapter->max_tx_rings;
589 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
592 if (ring_cnt > num_rings)
598 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
600 /* 83xx adapter does not have max_tx_rings intialized in probe */
601 if (adapter->max_tx_rings)
602 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
605 adapter->drv_tx_rings = tx_cnt;
608 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
610 /* 83xx adapter does not have max_sds_rings intialized in probe */
611 if (adapter->max_sds_rings)
612 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
615 adapter->drv_sds_rings = rx_cnt;
618 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
620 struct pci_dev *pdev = adapter->pdev;
621 int num_msix = 0, err = 0, vector;
623 adapter->flags &= ~QLCNIC_TSS_RSS;
625 if (adapter->drv_tss_rings > 0)
626 num_msix += adapter->drv_tss_rings;
628 num_msix += adapter->drv_tx_rings;
630 if (adapter->drv_rss_rings > 0)
631 num_msix += adapter->drv_rss_rings;
633 num_msix += adapter->drv_sds_rings;
635 if (qlcnic_83xx_check(adapter))
638 if (!adapter->msix_entries) {
639 adapter->msix_entries = kcalloc(num_msix,
640 sizeof(struct msix_entry),
642 if (!adapter->msix_entries)
647 for (vector = 0; vector < num_msix; vector++)
648 adapter->msix_entries[vector].entry = vector;
650 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
652 adapter->ahw->num_msix = num_msix;
653 if (adapter->drv_tss_rings > 0)
654 adapter->drv_tx_rings = adapter->drv_tss_rings;
656 if (adapter->drv_rss_rings > 0)
657 adapter->drv_sds_rings = adapter->drv_rss_rings;
659 netdev_info(adapter->netdev,
660 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
663 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
665 /* Set rings to 0 so we can restore original TSS/RSS count */
666 adapter->drv_tss_rings = 0;
667 adapter->drv_rss_rings = 0;
669 if (qlcnic_83xx_check(adapter))
672 netdev_info(adapter->netdev,
673 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
674 adapter->drv_tx_rings, adapter->drv_sds_rings,
684 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
686 struct pci_dev *pdev = adapter->pdev;
687 int err = -1, vector;
689 if (!adapter->msix_entries) {
690 adapter->msix_entries = kcalloc(num_msix,
691 sizeof(struct msix_entry),
693 if (!adapter->msix_entries)
697 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
699 if (adapter->ahw->msix_supported) {
701 for (vector = 0; vector < num_msix; vector++)
702 adapter->msix_entries[vector].entry = vector;
704 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
706 adapter->flags |= QLCNIC_MSIX_ENABLED;
707 adapter->ahw->num_msix = num_msix;
708 dev_info(&pdev->dev, "using msi-x interrupts\n");
710 } else if (err > 0) {
712 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
715 if (qlcnic_82xx_check(adapter)) {
716 num_msix = rounddown_pow_of_two(err);
717 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
720 num_msix = rounddown_pow_of_two(err - 1);
722 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
726 if (qlcnic_82xx_check(adapter) &&
727 !qlcnic_check_multi_tx(adapter)) {
728 adapter->drv_sds_rings = num_msix;
729 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
731 /* Distribute vectors equally */
732 adapter->drv_tx_rings = num_msix / 2;
733 adapter->drv_sds_rings = adapter->drv_tx_rings;
738 "Trying to allocate %d MSI-X interrupt vectors\n",
744 "Unable to allocate %d MSI-X vectors, err=%d\n",
753 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
757 num_msix = adapter->drv_sds_rings;
759 if (qlcnic_check_multi_tx(adapter))
760 num_msix += adapter->drv_tx_rings;
762 num_msix += QLCNIC_SINGLE_RING;
767 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
770 u32 offset, mask_reg;
771 const struct qlcnic_legacy_intr_set *legacy_intrp;
772 struct qlcnic_hardware_context *ahw = adapter->ahw;
773 struct pci_dev *pdev = adapter->pdev;
775 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
776 adapter->flags |= QLCNIC_MSI_ENABLED;
777 offset = msi_tgt_status[adapter->ahw->pci_func];
778 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
780 dev_info(&pdev->dev, "using msi interrupts\n");
781 adapter->msix_entries[0].vector = pdev->irq;
785 if (qlcnic_use_msi || qlcnic_use_msi_x)
788 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
789 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
790 offset = legacy_intrp->tgt_status_reg;
791 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
792 mask_reg = legacy_intrp->tgt_mask_reg;
793 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
794 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
795 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
796 dev_info(&pdev->dev, "using legacy interrupts\n");
797 adapter->msix_entries[0].vector = pdev->irq;
801 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
803 int num_msix, err = 0;
805 if (adapter->flags & QLCNIC_TSS_RSS) {
806 err = qlcnic_setup_tss_rss_intr(adapter);
809 num_msix = adapter->ahw->num_msix;
811 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
813 err = qlcnic_enable_msix(adapter, num_msix);
817 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
818 qlcnic_disable_multi_tx(adapter);
819 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
821 err = qlcnic_enable_msi_legacy(adapter);
830 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
832 struct qlcnic_hardware_context *ahw = adapter->ahw;
835 if (qlcnic_check_multi_tx(adapter) &&
837 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
838 ahw->intr_tbl = vzalloc(ahw->num_msix *
839 sizeof(struct qlcnic_intrpt_config));
843 for (i = 0; i < ahw->num_msix; i++) {
844 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
845 ahw->intr_tbl[i].id = i;
846 ahw->intr_tbl[i].src = 0;
849 err = qlcnic_82xx_config_intrpt(adapter, 1);
851 dev_err(&adapter->pdev->dev,
852 "Failed to configure Interrupt for %d vector\n",
860 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
862 if (adapter->flags & QLCNIC_MSIX_ENABLED)
863 pci_disable_msix(adapter->pdev);
864 if (adapter->flags & QLCNIC_MSI_ENABLED)
865 pci_disable_msi(adapter->pdev);
867 kfree(adapter->msix_entries);
868 adapter->msix_entries = NULL;
870 if (adapter->ahw->intr_tbl) {
871 vfree(adapter->ahw->intr_tbl);
872 adapter->ahw->intr_tbl = NULL;
876 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
878 if (ahw->pci_base0 != NULL)
879 iounmap(ahw->pci_base0);
882 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
884 struct qlcnic_hardware_context *ahw = adapter->ahw;
885 struct qlcnic_pci_info *pci_info;
888 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
889 switch (ahw->port_type) {
891 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
894 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
900 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
903 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
907 ret = qlcnic_get_pci_info(adapter, pci_info);
912 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
916 if (qlcnic_84xx_check(adapter)) {
918 } else if (qlcnic_83xx_check(adapter)) {
919 if (adapter->ahw->extra_capability[0] &
920 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
929 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
931 struct qlcnic_hardware_context *ahw = adapter->ahw;
932 struct qlcnic_pci_info *pci_info;
933 int i, id = 0, ret = 0, j = 0;
937 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
941 ret = qlcnic_get_pci_info(adapter, pci_info);
945 act_pci_func = ahw->total_nic_func;
947 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
948 act_pci_func, GFP_KERNEL);
949 if (!adapter->npars) {
954 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
955 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
956 if (!adapter->eswitch) {
961 for (i = 0; i < ahw->max_vnic_func; i++) {
962 pfn = pci_info[i].id;
964 if (pfn >= ahw->max_vnic_func) {
965 ret = QL_STATUS_INVALID_PARAM;
969 if (!pci_info[i].active ||
970 (pci_info[i].type != QLCNIC_TYPE_NIC))
973 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
974 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
976 adapter->npars[j].eswitch_status = true;
980 adapter->npars[j].eswitch_status = true;
983 adapter->npars[j].pci_func = pfn;
984 adapter->npars[j].active = (u8)pci_info[i].active;
985 adapter->npars[j].type = (u8)pci_info[i].type;
986 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
987 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
988 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
990 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
994 /* Update eSwitch status for adapters without per port eSwitch
995 * configuration capability
997 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
998 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
999 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1006 kfree(adapter->eswitch);
1007 adapter->eswitch = NULL;
1009 kfree(adapter->npars);
1010 adapter->npars = NULL;
1018 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1022 u32 data = QLCNIC_MGMT_FUNC;
1023 struct qlcnic_hardware_context *ahw = adapter->ahw;
1025 ret = qlcnic_api_lock(adapter);
1030 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1031 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1032 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1033 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1034 qlcnic_api_unlock(adapter);
1039 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1040 const struct pci_device_id *ent)
1042 u32 op_mode, priv_level;
1044 /* Determine FW API version */
1045 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1048 /* Find PCI function number */
1049 qlcnic_get_func_no(adapter);
1051 /* Determine function privilege level */
1052 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1053 if (op_mode == QLC_DEV_DRV_DEFAULT)
1054 priv_level = QLCNIC_MGMT_FUNC;
1056 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1058 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1059 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1060 dev_info(&adapter->pdev->dev,
1061 "HAL Version: %d Non Privileged function\n",
1062 adapter->ahw->fw_hal_version);
1063 adapter->nic_ops = &qlcnic_vf_ops;
1065 adapter->nic_ops = &qlcnic_ops;
1068 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1069 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1070 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1073 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1074 *bar = QLCNIC_82XX_BAR0_LENGTH;
1076 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1077 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1078 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1079 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1080 *bar = QLCNIC_83XX_BAR0_LENGTH;
1087 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1088 struct qlcnic_hardware_context *ahw)
1091 void __iomem *mem_ptr0 = NULL;
1092 unsigned long mem_len, pci_len0 = 0, bar0_len;
1094 /* remap phys address */
1095 mem_len = pci_resource_len(pdev, 0);
1097 qlcnic_get_bar_length(pdev->device, &bar0_len);
1098 if (mem_len >= bar0_len) {
1100 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1101 if (mem_ptr0 == NULL) {
1102 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1110 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1112 ahw->pci_base0 = mem_ptr0;
1113 ahw->pci_len0 = pci_len0;
1114 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1115 qlcnic_get_ioaddr(ahw, offset);
1120 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1123 struct pci_dev *pdev = adapter->pdev;
1124 unsigned short subsystem_vendor;
1127 subsystem_vendor = pdev->subsystem_vendor;
1129 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1130 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1131 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1132 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1141 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1143 struct pci_dev *pdev = adapter->pdev;
1146 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1147 if (qlcnic_boards[i].vendor == pdev->vendor &&
1148 qlcnic_boards[i].device == pdev->device &&
1149 qlcnic_validate_subsystem_id(adapter, i)) {
1156 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1158 sprintf(name, "%pM: %s" , adapter->mac_addr,
1159 qlcnic_boards[i].short_name);
1163 qlcnic_check_options(struct qlcnic_adapter *adapter)
1166 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1167 struct pci_dev *pdev = adapter->pdev;
1168 struct qlcnic_hardware_context *ahw = adapter->ahw;
1169 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1171 prev_fw_version = adapter->fw_version;
1173 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1174 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1175 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1177 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1179 err = qlcnic_get_board_info(adapter);
1181 dev_err(&pdev->dev, "Error getting board config info.\n");
1184 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1185 if (fw_dump->tmpl_hdr == NULL ||
1186 adapter->fw_version > prev_fw_version) {
1187 if (fw_dump->tmpl_hdr)
1188 vfree(fw_dump->tmpl_hdr);
1189 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1190 dev_info(&pdev->dev,
1191 "Supports FW dump capability\n");
1195 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1196 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1198 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1199 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1200 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1201 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1203 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1204 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1207 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1208 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1210 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1211 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1212 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1213 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1214 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1217 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1219 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1221 adapter->max_rds_rings = MAX_RDS_RINGS;
1225 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1227 struct qlcnic_info nic_info;
1230 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1231 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1235 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1236 adapter->ahw->switch_mode = nic_info.switch_mode;
1237 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1238 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1239 adapter->ahw->capabilities = nic_info.capabilities;
1241 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1243 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1246 adapter->ahw->extra_capability[0] = temp;
1248 adapter->ahw->extra_capability[0] = 0;
1251 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1252 adapter->ahw->max_mtu = nic_info.max_mtu;
1254 if (adapter->ahw->capabilities & BIT_6) {
1255 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1256 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1257 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1258 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1260 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1262 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1263 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1264 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1265 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1271 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1272 struct qlcnic_esw_func_cfg *esw_cfg)
1274 if (esw_cfg->discard_tagged)
1275 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1277 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1279 if (esw_cfg->vlan_id) {
1280 adapter->rx_pvid = esw_cfg->vlan_id;
1281 adapter->tx_pvid = esw_cfg->vlan_id;
1283 adapter->rx_pvid = 0;
1284 adapter->tx_pvid = 0;
1289 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1291 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1294 if (qlcnic_sriov_vf_check(adapter)) {
1295 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1298 "Cannot add VLAN filter for VLAN id %d, err=%d",
1304 set_bit(vid, adapter->vlans);
1309 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1311 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1314 if (qlcnic_sriov_vf_check(adapter)) {
1315 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1318 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1324 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1325 clear_bit(vid, adapter->vlans);
1329 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1330 struct qlcnic_esw_func_cfg *esw_cfg)
1332 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1333 QLCNIC_PROMISC_DISABLED);
1335 if (esw_cfg->mac_anti_spoof)
1336 adapter->flags |= QLCNIC_MACSPOOF;
1338 if (!esw_cfg->mac_override)
1339 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1341 if (!esw_cfg->promisc_mode)
1342 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1345 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1347 struct qlcnic_esw_func_cfg esw_cfg;
1349 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1352 esw_cfg.pci_func = adapter->ahw->pci_func;
1353 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1355 qlcnic_set_vlan_config(adapter, &esw_cfg);
1356 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1357 qlcnic_set_netdev_features(adapter, &esw_cfg);
1362 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1363 struct qlcnic_esw_func_cfg *esw_cfg)
1365 struct net_device *netdev = adapter->netdev;
1367 if (qlcnic_83xx_check(adapter))
1370 adapter->offload_flags = esw_cfg->offload_flags;
1371 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1372 netdev_update_features(netdev);
1373 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1377 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1379 u32 op_mode, priv_level;
1382 err = qlcnic_initialize_nic(adapter);
1386 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1389 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1390 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1392 if (op_mode == QLC_DEV_DRV_DEFAULT)
1393 priv_level = QLCNIC_MGMT_FUNC;
1395 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1397 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1398 if (priv_level == QLCNIC_MGMT_FUNC) {
1399 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1400 err = qlcnic_init_pci_info(adapter);
1403 /* Set privilege level for other functions */
1404 qlcnic_set_function_modes(adapter);
1405 dev_info(&adapter->pdev->dev,
1406 "HAL Version: %d, Management function\n",
1407 adapter->ahw->fw_hal_version);
1408 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1409 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1410 dev_info(&adapter->pdev->dev,
1411 "HAL Version: %d, Privileged function\n",
1412 adapter->ahw->fw_hal_version);
1415 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1418 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1423 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1425 struct qlcnic_esw_func_cfg esw_cfg;
1426 struct qlcnic_npar_info *npar;
1429 if (adapter->need_fw_reset)
1432 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1433 if (!adapter->npars[i].eswitch_status)
1436 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1437 esw_cfg.pci_func = adapter->npars[i].pci_func;
1438 esw_cfg.mac_override = BIT_0;
1439 esw_cfg.promisc_mode = BIT_0;
1440 if (qlcnic_82xx_check(adapter)) {
1441 esw_cfg.offload_flags = BIT_0;
1442 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1443 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1445 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1447 npar = &adapter->npars[i];
1448 npar->pvid = esw_cfg.vlan_id;
1449 npar->mac_override = esw_cfg.mac_override;
1450 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1451 npar->discard_tagged = esw_cfg.discard_tagged;
1452 npar->promisc_mode = esw_cfg.promisc_mode;
1453 npar->offload_flags = esw_cfg.offload_flags;
1461 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1462 struct qlcnic_npar_info *npar, int pci_func)
1464 struct qlcnic_esw_func_cfg esw_cfg;
1465 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1466 esw_cfg.pci_func = pci_func;
1467 esw_cfg.vlan_id = npar->pvid;
1468 esw_cfg.mac_override = npar->mac_override;
1469 esw_cfg.discard_tagged = npar->discard_tagged;
1470 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1471 esw_cfg.offload_flags = npar->offload_flags;
1472 esw_cfg.promisc_mode = npar->promisc_mode;
1473 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1476 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1477 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1483 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1486 struct qlcnic_npar_info *npar;
1487 struct qlcnic_info nic_info;
1490 if (qlcnic_82xx_check(adapter))
1491 if (!adapter->need_fw_reset)
1494 /* Set the NPAR config data after FW reset */
1495 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1496 npar = &adapter->npars[i];
1497 pci_func = npar->pci_func;
1498 if (!adapter->npars[i].eswitch_status)
1501 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1502 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1505 nic_info.min_tx_bw = npar->min_bw;
1506 nic_info.max_tx_bw = npar->max_bw;
1507 err = qlcnic_set_nic_info(adapter, &nic_info);
1511 if (npar->enable_pm) {
1512 err = qlcnic_config_port_mirroring(adapter,
1518 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1525 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1527 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1530 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1533 npar_state = QLC_SHARED_REG_RD32(adapter,
1534 QLCNIC_CRB_DEV_NPAR_STATE);
1535 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1537 npar_state = QLC_SHARED_REG_RD32(adapter,
1538 QLCNIC_CRB_DEV_NPAR_STATE);
1540 if (!npar_opt_timeo) {
1541 dev_err(&adapter->pdev->dev,
1542 "Waiting for NPAR state to operational timeout\n");
1549 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1553 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1554 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1557 err = qlcnic_set_default_offload_settings(adapter);
1561 err = qlcnic_reset_npar_config(adapter);
1565 qlcnic_dev_set_npar_ready(adapter);
1570 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1574 err = qlcnic_can_start_firmware(adapter);
1578 goto check_fw_status;
1580 if (qlcnic_load_fw_file)
1581 qlcnic_request_firmware(adapter);
1583 err = qlcnic_check_flash_fw_ver(adapter);
1587 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1590 err = qlcnic_need_fw_reset(adapter);
1592 goto check_fw_status;
1594 err = qlcnic_pinit_from_rom(adapter);
1598 err = qlcnic_load_firmware(adapter);
1602 qlcnic_release_firmware(adapter);
1603 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1606 err = qlcnic_check_fw_status(adapter);
1610 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1611 qlcnic_idc_debug_info(adapter, 1);
1612 err = qlcnic_check_eswitch_mode(adapter);
1614 dev_err(&adapter->pdev->dev,
1615 "Memory allocation failed for eswitch\n");
1618 err = qlcnic_set_mgmt_operations(adapter);
1622 qlcnic_check_options(adapter);
1623 adapter->need_fw_reset = 0;
1625 qlcnic_release_firmware(adapter);
1629 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1630 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1632 qlcnic_release_firmware(adapter);
1637 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1639 irq_handler_t handler;
1640 struct qlcnic_host_sds_ring *sds_ring;
1641 struct qlcnic_host_tx_ring *tx_ring;
1642 int err, ring, num_sds_rings;
1644 unsigned long flags = 0;
1645 struct net_device *netdev = adapter->netdev;
1646 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1648 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1649 if (qlcnic_82xx_check(adapter))
1650 handler = qlcnic_tmp_intr;
1652 handler = qlcnic_83xx_tmp_intr;
1653 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1654 flags |= IRQF_SHARED;
1657 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1658 handler = qlcnic_msix_intr;
1659 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1660 handler = qlcnic_msi_intr;
1662 flags |= IRQF_SHARED;
1663 if (qlcnic_82xx_check(adapter))
1664 handler = qlcnic_intr;
1666 handler = qlcnic_83xx_intr;
1669 adapter->irq = netdev->irq;
1671 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1672 if (qlcnic_82xx_check(adapter) ||
1673 (qlcnic_83xx_check(adapter) &&
1674 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1675 num_sds_rings = adapter->drv_sds_rings;
1676 for (ring = 0; ring < num_sds_rings; ring++) {
1677 sds_ring = &recv_ctx->sds_rings[ring];
1678 if (qlcnic_82xx_check(adapter) &&
1679 !qlcnic_check_multi_tx(adapter) &&
1680 (ring == (num_sds_rings - 1))) {
1681 if (!(adapter->flags &
1682 QLCNIC_MSIX_ENABLED))
1683 snprintf(sds_ring->name,
1684 sizeof(sds_ring->name),
1687 snprintf(sds_ring->name,
1688 sizeof(sds_ring->name),
1690 netdev->name, ring);
1692 snprintf(sds_ring->name,
1693 sizeof(sds_ring->name),
1695 netdev->name, ring);
1697 err = request_irq(sds_ring->irq, handler, flags,
1698 sds_ring->name, sds_ring);
1703 if ((qlcnic_82xx_check(adapter) &&
1704 qlcnic_check_multi_tx(adapter)) ||
1705 (qlcnic_83xx_check(adapter) &&
1706 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1707 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1708 handler = qlcnic_msix_tx_intr;
1709 for (ring = 0; ring < adapter->drv_tx_rings;
1711 tx_ring = &adapter->tx_ring[ring];
1712 snprintf(tx_ring->name, sizeof(tx_ring->name),
1713 "%s-tx-%d", netdev->name, ring);
1714 err = request_irq(tx_ring->irq, handler, flags,
1715 tx_ring->name, tx_ring);
1725 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1728 struct qlcnic_host_sds_ring *sds_ring;
1729 struct qlcnic_host_tx_ring *tx_ring;
1731 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1733 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1734 if (qlcnic_82xx_check(adapter) ||
1735 (qlcnic_83xx_check(adapter) &&
1736 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1737 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1738 sds_ring = &recv_ctx->sds_rings[ring];
1739 free_irq(sds_ring->irq, sds_ring);
1742 if ((qlcnic_83xx_check(adapter) &&
1743 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1744 (qlcnic_82xx_check(adapter) &&
1745 qlcnic_check_multi_tx(adapter))) {
1746 for (ring = 0; ring < adapter->drv_tx_rings;
1748 tx_ring = &adapter->tx_ring[ring];
1750 free_irq(tx_ring->irq, tx_ring);
1756 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1760 if (qlcnic_82xx_check(adapter)) {
1761 if (adapter->ahw->extra_capability[0] &
1762 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1763 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1765 capab = adapter->ahw->capabilities;
1766 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1767 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1771 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1773 struct qlcnic_hardware_context *ahw = adapter->ahw;
1776 /* Initialize interrupt coalesce parameters */
1777 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1779 if (qlcnic_83xx_check(adapter)) {
1780 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1781 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1782 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1783 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1784 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1786 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1788 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1789 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1790 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1792 err = qlcnic_82xx_set_rx_coalesce(adapter);
1798 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1801 struct qlcnic_host_rds_ring *rds_ring;
1803 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1806 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1809 if (qlcnic_set_eswitch_port_config(adapter))
1812 qlcnic_get_lro_mss_capability(adapter);
1814 if (qlcnic_fw_create_ctx(adapter))
1817 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1818 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1819 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1822 qlcnic_set_multi(netdev);
1823 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1825 adapter->ahw->linkup = 0;
1827 if (adapter->drv_sds_rings > 1)
1828 qlcnic_config_rss(adapter, 1);
1830 qlcnic_config_def_intr_coalesce(adapter);
1832 if (netdev->features & NETIF_F_LRO)
1833 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1835 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1836 qlcnic_napi_enable(adapter);
1838 qlcnic_linkevent_request(adapter, 1);
1840 adapter->ahw->reset_context = 0;
1841 netif_tx_start_all_queues(netdev);
1845 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1850 if (netif_running(netdev))
1851 err = __qlcnic_up(adapter, netdev);
1857 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1861 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1864 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1867 if (qlcnic_sriov_vf_check(adapter))
1868 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1870 netif_carrier_off(netdev);
1871 adapter->ahw->linkup = 0;
1872 netif_tx_disable(netdev);
1874 qlcnic_free_mac_list(adapter);
1876 if (adapter->fhash.fnum)
1877 qlcnic_delete_lb_filters(adapter);
1879 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1881 qlcnic_napi_disable(adapter);
1883 qlcnic_fw_destroy_ctx(adapter);
1884 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1886 qlcnic_reset_rx_buffers_list(adapter);
1888 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1889 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1892 /* Usage: During suspend and firmware recovery module */
1894 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1897 if (netif_running(netdev))
1898 __qlcnic_down(adapter, netdev);
1904 qlcnic_attach(struct qlcnic_adapter *adapter)
1906 struct net_device *netdev = adapter->netdev;
1907 struct pci_dev *pdev = adapter->pdev;
1910 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1913 err = qlcnic_napi_add(adapter, netdev);
1917 err = qlcnic_alloc_sw_resources(adapter);
1919 dev_err(&pdev->dev, "Error in setting sw resources\n");
1920 goto err_out_napi_del;
1923 err = qlcnic_alloc_hw_resources(adapter);
1925 dev_err(&pdev->dev, "Error in setting hw resources\n");
1926 goto err_out_free_sw;
1929 err = qlcnic_request_irq(adapter);
1931 dev_err(&pdev->dev, "failed to setup interrupt\n");
1932 goto err_out_free_hw;
1935 qlcnic_create_sysfs_entries(adapter);
1937 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1941 qlcnic_free_hw_resources(adapter);
1943 qlcnic_free_sw_resources(adapter);
1945 qlcnic_napi_del(adapter);
1949 void qlcnic_detach(struct qlcnic_adapter *adapter)
1951 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1954 qlcnic_remove_sysfs_entries(adapter);
1956 qlcnic_free_hw_resources(adapter);
1957 qlcnic_release_rx_buffers(adapter);
1958 qlcnic_free_irq(adapter);
1959 qlcnic_napi_del(adapter);
1960 qlcnic_free_sw_resources(adapter);
1965 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
1967 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1968 struct qlcnic_host_sds_ring *sds_ring;
1969 int drv_tx_rings = adapter->drv_tx_rings;
1972 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1973 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1974 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1975 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1976 qlcnic_disable_sds_intr(adapter, sds_ring);
1980 qlcnic_fw_destroy_ctx(adapter);
1982 qlcnic_detach(adapter);
1984 adapter->ahw->diag_test = 0;
1985 adapter->drv_sds_rings = drv_sds_rings;
1986 adapter->drv_tx_rings = drv_tx_rings;
1988 if (qlcnic_attach(adapter))
1991 if (netif_running(netdev))
1992 __qlcnic_up(adapter, netdev);
1994 netif_device_attach(netdev);
1997 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2001 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2003 if (!adapter->recv_ctx) {
2009 memset(&adapter->stats, 0, sizeof(adapter->stats));
2014 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2016 kfree(adapter->recv_ctx);
2017 adapter->recv_ctx = NULL;
2019 if (adapter->ahw->fw_dump.tmpl_hdr) {
2020 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2021 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2024 kfree(adapter->ahw->reset.buff);
2025 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2028 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2030 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2031 struct qlcnic_host_sds_ring *sds_ring;
2032 struct qlcnic_host_rds_ring *rds_ring;
2036 netif_device_detach(netdev);
2038 if (netif_running(netdev))
2039 __qlcnic_down(adapter, netdev);
2041 qlcnic_detach(adapter);
2043 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2044 adapter->ahw->diag_test = test;
2045 adapter->ahw->linkup = 0;
2047 ret = qlcnic_attach(adapter);
2049 netif_device_attach(netdev);
2053 ret = qlcnic_fw_create_ctx(adapter);
2055 qlcnic_detach(adapter);
2056 netif_device_attach(netdev);
2060 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2061 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2062 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2065 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2066 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2067 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2068 qlcnic_enable_sds_intr(adapter, sds_ring);
2072 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2073 adapter->ahw->loopback_state = 0;
2074 qlcnic_linkevent_request(adapter, 1);
2077 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2082 /* Reset context in hardware only */
2084 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2086 struct net_device *netdev = adapter->netdev;
2088 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2091 netif_device_detach(netdev);
2093 qlcnic_down(adapter, netdev);
2095 qlcnic_up(adapter, netdev);
2097 netif_device_attach(netdev);
2099 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2100 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2105 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2108 struct net_device *netdev = adapter->netdev;
2110 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2113 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2115 netif_device_detach(netdev);
2117 if (netif_running(netdev))
2118 __qlcnic_down(adapter, netdev);
2120 qlcnic_detach(adapter);
2122 if (netif_running(netdev)) {
2123 err = qlcnic_attach(adapter);
2125 __qlcnic_up(adapter, netdev);
2126 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2130 netif_device_attach(netdev);
2133 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2137 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2139 struct qlcnic_hardware_context *ahw = adapter->ahw;
2140 u16 act_pci_fn = ahw->total_nic_func;
2143 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2144 if (act_pci_fn <= 2)
2145 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2148 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2150 ahw->max_uc_count = count;
2154 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2158 struct pci_dev *pdev = adapter->pdev;
2160 adapter->rx_csum = 1;
2161 adapter->ahw->mc_enabled = 0;
2162 qlcnic_set_mac_filter_count(adapter);
2164 netdev->netdev_ops = &qlcnic_netdev_ops;
2165 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2167 qlcnic_change_mtu(netdev, netdev->mtu);
2169 if (qlcnic_sriov_vf_check(adapter))
2170 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2172 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2174 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2175 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2176 NETIF_F_HW_VLAN_CTAG_RX);
2177 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2180 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2181 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2182 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2185 if (pci_using_dac) {
2186 netdev->features |= NETIF_F_HIGHDMA;
2187 netdev->vlan_features |= NETIF_F_HIGHDMA;
2190 if (qlcnic_vlan_tx_check(adapter))
2191 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2193 if (qlcnic_sriov_vf_check(adapter))
2194 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2196 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2197 netdev->features |= NETIF_F_LRO;
2199 netdev->hw_features = netdev->features;
2200 netdev->priv_flags |= IFF_UNICAST_FLT;
2201 netdev->irq = adapter->msix_entries[0].vector;
2203 err = qlcnic_set_real_num_queues(adapter, netdev);
2207 err = register_netdev(netdev);
2209 dev_err(&pdev->dev, "failed to register net device\n");
2213 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2218 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2220 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2221 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2223 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2224 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2227 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2234 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2237 struct qlcnic_host_tx_ring *tx_ring;
2239 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2240 tx_ring = &adapter->tx_ring[ring];
2241 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2242 vfree(tx_ring->cmd_buf_arr);
2243 tx_ring->cmd_buf_arr = NULL;
2246 if (adapter->tx_ring != NULL)
2247 kfree(adapter->tx_ring);
2250 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2251 struct net_device *netdev)
2253 int ring, vector, index;
2254 struct qlcnic_host_tx_ring *tx_ring;
2255 struct qlcnic_cmd_buffer *cmd_buf_arr;
2257 tx_ring = kcalloc(adapter->drv_tx_rings,
2258 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2259 if (tx_ring == NULL)
2262 adapter->tx_ring = tx_ring;
2264 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2265 tx_ring = &adapter->tx_ring[ring];
2266 tx_ring->num_desc = adapter->num_txd;
2267 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2268 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2269 if (cmd_buf_arr == NULL) {
2270 qlcnic_free_tx_rings(adapter);
2273 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2274 tx_ring->cmd_buf_arr = cmd_buf_arr;
2275 spin_lock_init(&tx_ring->tx_clean_lock);
2278 if (qlcnic_83xx_check(adapter) ||
2279 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2280 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2281 tx_ring = &adapter->tx_ring[ring];
2282 tx_ring->adapter = adapter;
2283 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2284 index = adapter->drv_sds_rings + ring;
2285 vector = adapter->msix_entries[index].vector;
2286 tx_ring->irq = vector;
2294 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2296 struct qlcnic_hardware_context *ahw = adapter->ahw;
2299 if (qlcnic_82xx_check(adapter))
2300 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2301 else if (qlcnic_83xx_check(adapter))
2302 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2304 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2305 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2309 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2311 struct net_device *netdev = NULL;
2312 struct qlcnic_adapter *adapter = NULL;
2313 struct qlcnic_hardware_context *ahw;
2314 int err, pci_using_dac = -1;
2315 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2317 if (pdev->is_virtfn)
2320 err = pci_enable_device(pdev);
2324 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2326 goto err_out_disable_pdev;
2329 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2331 goto err_out_disable_pdev;
2333 err = pci_request_regions(pdev, qlcnic_driver_name);
2335 goto err_out_disable_pdev;
2337 pci_set_master(pdev);
2338 pci_enable_pcie_error_reporting(pdev);
2340 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2343 goto err_out_free_res;
2346 switch (ent->device) {
2347 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2348 ahw->hw_ops = &qlcnic_hw_ops;
2349 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2351 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2352 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2353 qlcnic_83xx_register_map(ahw);
2355 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2356 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2357 qlcnic_sriov_vf_register_map(ahw);
2360 goto err_out_free_hw_res;
2363 err = qlcnic_setup_pci_map(pdev, ahw);
2365 goto err_out_free_hw_res;
2367 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2368 QLCNIC_MAX_TX_RINGS);
2371 goto err_out_iounmap;
2374 SET_NETDEV_DEV(netdev, &pdev->dev);
2376 adapter = netdev_priv(netdev);
2377 adapter->netdev = netdev;
2378 adapter->pdev = pdev;
2381 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2382 if (adapter->qlcnic_wq == NULL) {
2384 dev_err(&pdev->dev, "Failed to create workqueue\n");
2385 goto err_out_free_netdev;
2388 err = qlcnic_alloc_adapter_resources(adapter);
2390 goto err_out_free_wq;
2392 adapter->dev_rst_time = jiffies;
2393 ahw->revision_id = pdev->revision;
2394 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2395 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2396 adapter->fdb_mac_learn = true;
2397 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2398 adapter->drv_mac_learn = true;
2400 rwlock_init(&adapter->ahw->crb_lock);
2401 mutex_init(&adapter->ahw->mem_lock);
2403 INIT_LIST_HEAD(&adapter->mac_list);
2405 qlcnic_register_dcb(adapter);
2407 if (qlcnic_82xx_check(adapter)) {
2408 qlcnic_check_vf(adapter, ent);
2409 adapter->portnum = adapter->ahw->pci_func;
2410 err = qlcnic_start_firmware(adapter);
2412 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2413 "\t\tIf reboot doesn't help, try flashing the card\n");
2414 goto err_out_maintenance_mode;
2417 /* compute and set default and max tx/sds rings */
2418 if (adapter->ahw->msix_supported) {
2419 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2420 qlcnic_set_tx_ring_count(adapter,
2421 QLCNIC_SINGLE_RING);
2423 qlcnic_set_tx_ring_count(adapter,
2424 QLCNIC_DEF_TX_RINGS);
2425 qlcnic_set_sds_ring_count(adapter,
2426 QLCNIC_DEF_SDS_RINGS);
2428 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2429 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2432 err = qlcnic_setup_idc_param(adapter);
2434 goto err_out_free_hw;
2436 adapter->flags |= QLCNIC_NEED_FLR;
2438 } else if (qlcnic_83xx_check(adapter)) {
2439 qlcnic_83xx_check_vf(adapter, ent);
2440 adapter->portnum = adapter->ahw->pci_func;
2441 err = qlcnic_83xx_init(adapter, pci_using_dac);
2444 case -ENOTRECOVERABLE:
2445 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n");
2446 dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n");
2447 goto err_out_free_hw;
2449 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2450 goto err_out_free_hw;
2452 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2453 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2454 goto err_out_maintenance_mode;
2458 if (qlcnic_sriov_vf_check(adapter))
2462 "%s: failed. Please Reboot\n", __func__);
2463 goto err_out_free_hw;
2466 qlcnic_dcb_enable(adapter->dcb);
2468 if (qlcnic_read_mac_addr(adapter))
2469 dev_warn(&pdev->dev, "failed to read mac addr\n");
2471 qlcnic_read_phys_port_id(adapter);
2473 if (adapter->portnum == 0) {
2474 qlcnic_get_board_name(adapter, board_name);
2476 pr_info("%s: %s Board Chip rev 0x%x\n",
2477 module_name(THIS_MODULE),
2478 board_name, adapter->ahw->revision_id);
2481 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2483 dev_warn(&pdev->dev,
2484 "Device does not support MSI interrupts\n");
2486 if (qlcnic_82xx_check(adapter)) {
2487 err = qlcnic_setup_intr(adapter);
2489 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2490 goto err_out_disable_msi;
2494 err = qlcnic_get_act_pci_func(adapter);
2496 goto err_out_disable_mbx_intr;
2498 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2500 goto err_out_disable_mbx_intr;
2502 if (adapter->portnum == 0)
2503 qlcnic_set_drv_version(adapter);
2505 pci_set_drvdata(pdev, adapter);
2507 if (qlcnic_82xx_check(adapter))
2508 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2511 switch (adapter->ahw->port_type) {
2513 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2514 adapter->netdev->name);
2517 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2518 adapter->netdev->name);
2522 if (adapter->drv_mac_learn)
2523 qlcnic_alloc_lb_filters_mem(adapter);
2525 qlcnic_add_sysfs(adapter);
2529 err_out_disable_mbx_intr:
2530 if (qlcnic_83xx_check(adapter))
2531 qlcnic_83xx_free_mbx_intr(adapter);
2533 err_out_disable_msi:
2534 qlcnic_teardown_intr(adapter);
2535 qlcnic_cancel_idc_work(adapter);
2536 qlcnic_clr_all_drv_state(adapter, 0);
2539 qlcnic_free_adapter_resources(adapter);
2542 destroy_workqueue(adapter->qlcnic_wq);
2544 err_out_free_netdev:
2545 free_netdev(netdev);
2548 qlcnic_cleanup_pci_map(ahw);
2550 err_out_free_hw_res:
2554 pci_release_regions(pdev);
2556 err_out_disable_pdev:
2557 pci_disable_device(pdev);
2560 err_out_maintenance_mode:
2561 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2562 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2563 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2564 ahw->port_type = QLCNIC_XGBE;
2566 if (qlcnic_83xx_check(adapter))
2567 adapter->tgt_status_reg = NULL;
2569 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2571 err = register_netdev(netdev);
2574 dev_err(&pdev->dev, "Failed to register net device\n");
2575 qlcnic_clr_all_drv_state(adapter, 0);
2576 goto err_out_free_hw;
2579 pci_set_drvdata(pdev, adapter);
2580 qlcnic_add_sysfs(adapter);
2585 static void qlcnic_remove(struct pci_dev *pdev)
2587 struct qlcnic_adapter *adapter;
2588 struct net_device *netdev;
2589 struct qlcnic_hardware_context *ahw;
2591 adapter = pci_get_drvdata(pdev);
2592 if (adapter == NULL)
2595 netdev = adapter->netdev;
2596 qlcnic_sriov_pf_disable(adapter);
2598 qlcnic_cancel_idc_work(adapter);
2601 unregister_netdev(netdev);
2602 qlcnic_sriov_cleanup(adapter);
2604 if (qlcnic_83xx_check(adapter)) {
2605 qlcnic_83xx_initialize_nic(adapter, 0);
2606 cancel_delayed_work_sync(&adapter->idc_aen_work);
2607 qlcnic_83xx_free_mbx_intr(adapter);
2608 qlcnic_83xx_detach_mailbox_work(adapter);
2609 qlcnic_83xx_free_mailbox(ahw->mailbox);
2610 kfree(ahw->fw_info);
2613 qlcnic_dcb_free(adapter->dcb);
2615 qlcnic_detach(adapter);
2617 if (adapter->npars != NULL)
2618 kfree(adapter->npars);
2619 if (adapter->eswitch != NULL)
2620 kfree(adapter->eswitch);
2622 if (qlcnic_82xx_check(adapter))
2623 qlcnic_clr_all_drv_state(adapter, 0);
2625 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2627 qlcnic_free_lb_filters_mem(adapter);
2629 qlcnic_teardown_intr(adapter);
2631 qlcnic_remove_sysfs(adapter);
2633 qlcnic_cleanup_pci_map(adapter->ahw);
2635 qlcnic_release_firmware(adapter);
2637 pci_disable_pcie_error_reporting(pdev);
2638 pci_release_regions(pdev);
2639 pci_disable_device(pdev);
2641 if (adapter->qlcnic_wq) {
2642 destroy_workqueue(adapter->qlcnic_wq);
2643 adapter->qlcnic_wq = NULL;
2646 qlcnic_free_adapter_resources(adapter);
2648 free_netdev(netdev);
2651 static void qlcnic_shutdown(struct pci_dev *pdev)
2653 if (__qlcnic_shutdown(pdev))
2656 pci_disable_device(pdev);
2660 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2664 retval = __qlcnic_shutdown(pdev);
2668 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2672 static int qlcnic_resume(struct pci_dev *pdev)
2674 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2677 err = pci_enable_device(pdev);
2681 pci_set_power_state(pdev, PCI_D0);
2682 pci_set_master(pdev);
2683 pci_restore_state(pdev);
2685 return __qlcnic_resume(adapter);
2689 static int qlcnic_open(struct net_device *netdev)
2691 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2694 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2695 netdev_err(netdev, "%s: Device is in non-operational state\n",
2701 netif_carrier_off(netdev);
2703 err = qlcnic_attach(adapter);
2707 err = __qlcnic_up(adapter, netdev);
2709 qlcnic_detach(adapter);
2715 * qlcnic_close - Disables a network interface entry point
2717 static int qlcnic_close(struct net_device *netdev)
2719 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2721 __qlcnic_down(adapter, netdev);
2726 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2730 struct net_device *netdev = adapter->netdev;
2731 u32 filter_size = 0;
2732 u16 act_pci_func = 0;
2734 if (adapter->fhash.fmax && adapter->fhash.fhead)
2737 act_pci_func = adapter->ahw->total_nic_func;
2738 spin_lock_init(&adapter->mac_learn_lock);
2739 spin_lock_init(&adapter->rx_mac_learn_lock);
2741 if (qlcnic_82xx_check(adapter)) {
2742 filter_size = QLCNIC_LB_MAX_FILTERS;
2743 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2745 filter_size = QLC_83XX_LB_MAX_FILTERS;
2746 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2749 head = kcalloc(adapter->fhash.fbucket_size,
2750 sizeof(struct hlist_head), GFP_ATOMIC);
2755 adapter->fhash.fmax = (filter_size / act_pci_func);
2756 adapter->fhash.fhead = head;
2758 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2759 act_pci_func, adapter->fhash.fmax);
2761 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2762 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2764 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2766 head = kcalloc(adapter->rx_fhash.fbucket_size,
2767 sizeof(struct hlist_head), GFP_ATOMIC);
2772 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2773 adapter->rx_fhash.fhead = head;
2775 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2776 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2779 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2781 if (adapter->fhash.fmax && adapter->fhash.fhead)
2782 kfree(adapter->fhash.fhead);
2784 adapter->fhash.fhead = NULL;
2785 adapter->fhash.fmax = 0;
2787 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2788 kfree(adapter->rx_fhash.fhead);
2790 adapter->rx_fhash.fmax = 0;
2791 adapter->rx_fhash.fhead = NULL;
2794 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2796 struct net_device *netdev = adapter->netdev;
2797 u32 temp_state, temp_val, temp = 0;
2800 if (qlcnic_83xx_check(adapter))
2801 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2803 if (qlcnic_82xx_check(adapter))
2804 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2806 temp_state = qlcnic_get_temp_state(temp);
2807 temp_val = qlcnic_get_temp_val(temp);
2809 if (temp_state == QLCNIC_TEMP_PANIC) {
2810 dev_err(&netdev->dev,
2811 "Device temperature %d degrees C exceeds"
2812 " maximum allowed. Hardware has been shut down.\n",
2815 } else if (temp_state == QLCNIC_TEMP_WARN) {
2816 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2817 dev_err(&netdev->dev,
2818 "Device temperature %d degrees C "
2819 "exceeds operating range."
2820 " Immediate action needed.\n",
2824 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2825 dev_info(&netdev->dev,
2826 "Device temperature is now %d degrees C"
2827 " in normal range.\n", temp_val);
2830 adapter->ahw->temp = temp_state;
2834 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2837 struct cmd_desc_type0 *tx_desc_info;
2839 for (i = 0; i < tx_ring->num_desc; i++) {
2840 tx_desc_info = &tx_ring->desc_head[i];
2841 pr_info("TX Desc: %d\n", i);
2842 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2843 &tx_ring->desc_head[i],
2844 sizeof(struct cmd_desc_type0), true);
2848 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2850 struct net_device *netdev = adapter->netdev;
2851 struct qlcnic_host_tx_ring *tx_ring;
2854 if (!netdev || !netif_running(netdev))
2857 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2858 tx_ring = &adapter->tx_ring[ring];
2859 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2860 ring, tx_ring->ctx_id);
2862 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2863 tx_ring->tx_stats.xmit_finished,
2864 tx_ring->tx_stats.xmit_called,
2865 tx_ring->tx_stats.xmit_on,
2866 tx_ring->tx_stats.xmit_off);
2868 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2869 readl(tx_ring->crb_intr_mask),
2870 readl(tx_ring->crb_cmd_producer),
2871 tx_ring->producer, tx_ring->sw_consumer,
2872 le32_to_cpu(*(tx_ring->hw_consumer)));
2874 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2875 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2877 if (netif_msg_tx_done(adapter->ahw))
2878 dump_tx_ring_desc(tx_ring);
2882 static void qlcnic_tx_timeout(struct net_device *netdev)
2884 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2886 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2889 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2890 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2891 if (qlcnic_82xx_check(adapter))
2892 adapter->need_fw_reset = 1;
2893 else if (qlcnic_83xx_check(adapter))
2894 qlcnic_83xx_idc_request_reset(adapter,
2895 QLCNIC_FORCE_FW_DUMP_KEY);
2897 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2898 qlcnic_dump_tx_rings(adapter);
2899 adapter->ahw->reset_context = 1;
2903 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2905 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2906 struct net_device_stats *stats = &netdev->stats;
2908 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2909 qlcnic_update_stats(adapter);
2911 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2912 stats->tx_packets = adapter->stats.xmitfinished;
2913 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2914 stats->tx_bytes = adapter->stats.txbytes;
2915 stats->rx_dropped = adapter->stats.rxdropped;
2916 stats->tx_dropped = adapter->stats.txdropped;
2921 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2925 status = readl(adapter->isr_int_vec);
2927 if (!(status & adapter->ahw->int_vec_bit))
2930 /* check interrupt state machine, to be sure */
2931 status = readl(adapter->crb_int_state_reg);
2932 if (!ISR_LEGACY_INT_TRIGGERED(status))
2935 writel(0xffffffff, adapter->tgt_status_reg);
2936 /* read twice to ensure write is flushed */
2937 readl(adapter->isr_int_vec);
2938 readl(adapter->isr_int_vec);
2943 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2945 struct qlcnic_host_sds_ring *sds_ring = data;
2946 struct qlcnic_adapter *adapter = sds_ring->adapter;
2948 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2950 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2951 writel(0xffffffff, adapter->tgt_status_reg);
2955 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2959 adapter->ahw->diag_cnt++;
2960 qlcnic_enable_sds_intr(adapter, sds_ring);
2964 static irqreturn_t qlcnic_intr(int irq, void *data)
2966 struct qlcnic_host_sds_ring *sds_ring = data;
2967 struct qlcnic_adapter *adapter = sds_ring->adapter;
2969 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2972 napi_schedule(&sds_ring->napi);
2977 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2979 struct qlcnic_host_sds_ring *sds_ring = data;
2980 struct qlcnic_adapter *adapter = sds_ring->adapter;
2982 /* clear interrupt */
2983 writel(0xffffffff, adapter->tgt_status_reg);
2985 napi_schedule(&sds_ring->napi);
2989 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2991 struct qlcnic_host_sds_ring *sds_ring = data;
2993 napi_schedule(&sds_ring->napi);
2997 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2999 struct qlcnic_host_tx_ring *tx_ring = data;
3001 napi_schedule(&tx_ring->napi);
3005 #ifdef CONFIG_NET_POLL_CONTROLLER
3006 static void qlcnic_poll_controller(struct net_device *netdev)
3008 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3009 struct qlcnic_host_sds_ring *sds_ring;
3010 struct qlcnic_recv_context *recv_ctx;
3011 struct qlcnic_host_tx_ring *tx_ring;
3014 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3017 recv_ctx = adapter->recv_ctx;
3019 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3020 sds_ring = &recv_ctx->sds_rings[ring];
3021 qlcnic_disable_sds_intr(adapter, sds_ring);
3022 napi_schedule(&sds_ring->napi);
3025 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3026 /* Only Multi-Tx queue capable devices need to
3027 * schedule NAPI for TX rings
3029 if ((qlcnic_83xx_check(adapter) &&
3030 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3031 (qlcnic_82xx_check(adapter) &&
3032 !qlcnic_check_multi_tx(adapter)))
3035 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3036 tx_ring = &adapter->tx_ring[ring];
3037 qlcnic_disable_tx_intr(adapter, tx_ring);
3038 napi_schedule(&tx_ring->napi);
3045 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3049 val = adapter->portnum & 0xf;
3050 val |= encoding << 7;
3051 val |= (jiffies - adapter->dev_rst_time) << 8;
3053 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3054 adapter->dev_rst_time = jiffies;
3058 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3062 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3063 state != QLCNIC_DEV_NEED_QUISCENT);
3065 if (qlcnic_api_lock(adapter))
3068 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3070 if (state == QLCNIC_DEV_NEED_RESET)
3071 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3072 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3073 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3075 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3077 qlcnic_api_unlock(adapter);
3083 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3087 if (qlcnic_api_lock(adapter))
3090 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3091 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3092 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3094 qlcnic_api_unlock(adapter);
3099 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3103 if (qlcnic_api_lock(adapter))
3106 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3107 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3108 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3111 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3113 dev_info(&adapter->pdev->dev,
3114 "Device state set to Failed. Please Reboot\n");
3115 } else if (!(val & 0x11111111))
3116 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3119 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3120 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3121 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3123 qlcnic_api_unlock(adapter);
3125 adapter->fw_fail_cnt = 0;
3126 adapter->flags &= ~QLCNIC_FW_HANG;
3127 clear_bit(__QLCNIC_START_FW, &adapter->state);
3128 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3131 /* Grab api lock, before checking state */
3133 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3135 int act, state, active_mask;
3136 struct qlcnic_hardware_context *ahw = adapter->ahw;
3138 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3139 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3141 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3142 active_mask = (~(1 << (ahw->pci_func * 4)));
3143 act = act & active_mask;
3146 if (((state & 0x11111111) == (act & 0x11111111)) ||
3147 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3153 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3155 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3157 if (val != QLCNIC_DRV_IDC_VER) {
3158 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3159 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3166 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3168 u32 val, prev_state;
3169 u8 dev_init_timeo = adapter->dev_init_timeo;
3170 u8 portnum = adapter->portnum;
3173 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3176 if (qlcnic_api_lock(adapter))
3179 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3180 if (!(val & (1 << (portnum * 4)))) {
3181 QLC_DEV_SET_REF_CNT(val, portnum);
3182 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3185 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3186 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3188 switch (prev_state) {
3189 case QLCNIC_DEV_COLD:
3190 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3191 QLCNIC_DEV_INITIALIZING);
3192 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3193 QLCNIC_DRV_IDC_VER);
3194 qlcnic_idc_debug_info(adapter, 0);
3195 qlcnic_api_unlock(adapter);
3198 case QLCNIC_DEV_READY:
3199 ret = qlcnic_check_idc_ver(adapter);
3200 qlcnic_api_unlock(adapter);
3203 case QLCNIC_DEV_NEED_RESET:
3204 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3205 QLC_DEV_SET_RST_RDY(val, portnum);
3206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3209 case QLCNIC_DEV_NEED_QUISCENT:
3210 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3211 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3212 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3215 case QLCNIC_DEV_FAILED:
3216 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3217 qlcnic_api_unlock(adapter);
3220 case QLCNIC_DEV_INITIALIZING:
3221 case QLCNIC_DEV_QUISCENT:
3225 qlcnic_api_unlock(adapter);
3229 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3231 if (prev_state == QLCNIC_DEV_QUISCENT)
3233 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3235 if (!dev_init_timeo) {
3236 dev_err(&adapter->pdev->dev,
3237 "Waiting for device to initialize timeout\n");
3241 if (qlcnic_api_lock(adapter))
3244 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3245 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3246 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3248 ret = qlcnic_check_idc_ver(adapter);
3249 qlcnic_api_unlock(adapter);
3255 qlcnic_fwinit_work(struct work_struct *work)
3257 struct qlcnic_adapter *adapter = container_of(work,
3258 struct qlcnic_adapter, fw_work.work);
3259 u32 dev_state = 0xf;
3262 if (qlcnic_api_lock(adapter))
3265 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3266 if (dev_state == QLCNIC_DEV_QUISCENT ||
3267 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3268 qlcnic_api_unlock(adapter);
3269 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3274 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3275 qlcnic_api_unlock(adapter);
3279 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3280 dev_state == QLCNIC_DEV_READY) {
3281 dev_info(&adapter->pdev->dev, "Detected state change from "
3282 "DEV_NEED_RESET, skipping ack check\n");
3283 goto skip_ack_check;
3286 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3287 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3288 adapter->reset_ack_timeo);
3289 goto skip_ack_check;
3292 if (!qlcnic_check_drv_state(adapter)) {
3294 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3296 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3297 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3298 QLCNIC_DEV_INITIALIZING);
3299 set_bit(__QLCNIC_START_FW, &adapter->state);
3300 QLCDB(adapter, DRV, "Restarting fw\n");
3301 qlcnic_idc_debug_info(adapter, 0);
3302 val = QLC_SHARED_REG_RD32(adapter,
3303 QLCNIC_CRB_DRV_STATE);
3304 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3305 QLC_SHARED_REG_WR32(adapter,
3306 QLCNIC_CRB_DRV_STATE, val);
3309 qlcnic_api_unlock(adapter);
3312 if (qlcnic_check_fw_dump_state(adapter) &&
3313 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3314 QLCDB(adapter, DRV, "Take FW dump\n");
3315 qlcnic_dump_fw(adapter);
3316 adapter->flags |= QLCNIC_FW_HANG;
3320 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3321 if (!adapter->nic_ops->start_firmware(adapter)) {
3322 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3323 adapter->fw_wait_cnt = 0;
3329 qlcnic_api_unlock(adapter);
3332 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3333 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3335 switch (dev_state) {
3336 case QLCNIC_DEV_READY:
3337 if (!qlcnic_start_firmware(adapter)) {
3338 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3339 adapter->fw_wait_cnt = 0;
3342 case QLCNIC_DEV_FAILED:
3345 qlcnic_schedule_work(adapter,
3346 qlcnic_fwinit_work, FW_POLL_DELAY);
3351 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3352 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3353 netif_device_attach(adapter->netdev);
3354 qlcnic_clr_all_drv_state(adapter, 0);
3358 qlcnic_detach_work(struct work_struct *work)
3360 struct qlcnic_adapter *adapter = container_of(work,
3361 struct qlcnic_adapter, fw_work.work);
3362 struct net_device *netdev = adapter->netdev;
3365 netif_device_detach(netdev);
3367 /* Dont grab rtnl lock during Quiscent mode */
3368 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3369 if (netif_running(netdev))
3370 __qlcnic_down(adapter, netdev);
3372 qlcnic_down(adapter, netdev);
3374 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3376 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3377 dev_err(&adapter->pdev->dev,
3378 "Detaching the device: peg halt status1=0x%x\n",
3381 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3382 dev_err(&adapter->pdev->dev,
3383 "On board active cooling fan failed. "
3384 "Device has been halted.\n");
3385 dev_err(&adapter->pdev->dev,
3386 "Replace the adapter.\n");
3392 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3393 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3394 adapter->ahw->temp);
3398 /* Dont ack if this instance is the reset owner */
3399 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3400 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3401 dev_err(&adapter->pdev->dev,
3402 "Failed to set driver state,"
3403 "detaching the device.\n");
3408 adapter->fw_wait_cnt = 0;
3410 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3415 netif_device_attach(netdev);
3416 qlcnic_clr_all_drv_state(adapter, 1);
3419 /*Transit NPAR state to NON Operational */
3421 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3425 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3426 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3429 if (qlcnic_api_lock(adapter))
3431 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3432 QLCNIC_DEV_NPAR_NON_OPER);
3433 qlcnic_api_unlock(adapter);
3436 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3439 u32 state, xg_val = 0, gb_val = 0;
3441 qlcnic_xg_set_xg0_mask(xg_val);
3442 qlcnic_xg_set_xg1_mask(xg_val);
3443 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3444 qlcnic_gb_set_gb0_mask(gb_val);
3445 qlcnic_gb_set_gb1_mask(gb_val);
3446 qlcnic_gb_set_gb2_mask(gb_val);
3447 qlcnic_gb_set_gb3_mask(gb_val);
3448 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3449 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3451 adapter->need_fw_reset = 1;
3453 if (qlcnic_api_lock(adapter))
3456 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3458 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3459 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3461 qlcnic_api_unlock(adapter);
3466 if (state == QLCNIC_DEV_READY) {
3467 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3468 QLCNIC_DEV_NEED_RESET);
3469 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3470 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3471 qlcnic_idc_debug_info(adapter, 0);
3474 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3475 QLCNIC_DEV_NPAR_NON_OPER);
3476 qlcnic_api_unlock(adapter);
3479 /* Transit to NPAR READY state from NPAR NOT READY state */
3481 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3483 if (qlcnic_api_lock(adapter))
3486 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3487 QLCNIC_DEV_NPAR_OPER);
3488 QLCDB(adapter, DRV, "NPAR operational state set\n");
3490 qlcnic_api_unlock(adapter);
3493 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3494 work_func_t func, int delay)
3496 if (test_bit(__QLCNIC_AER, &adapter->state))
3499 INIT_DELAYED_WORK(&adapter->fw_work, func);
3500 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3501 round_jiffies_relative(delay));
3505 qlcnic_attach_work(struct work_struct *work)
3507 struct qlcnic_adapter *adapter = container_of(work,
3508 struct qlcnic_adapter, fw_work.work);
3509 struct net_device *netdev = adapter->netdev;
3512 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3513 npar_state = QLC_SHARED_REG_RD32(adapter,
3514 QLCNIC_CRB_DEV_NPAR_STATE);
3515 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3516 qlcnic_clr_all_drv_state(adapter, 0);
3517 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3518 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3522 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3526 qlcnic_dcb_get_info(adapter->dcb);
3528 if (netif_running(netdev)) {
3529 if (qlcnic_up(adapter, netdev))
3532 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3536 netif_device_attach(netdev);
3537 adapter->fw_fail_cnt = 0;
3538 adapter->flags &= ~QLCNIC_FW_HANG;
3539 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3540 if (adapter->portnum == 0)
3541 qlcnic_set_drv_version(adapter);
3543 if (!qlcnic_clr_drv_state(adapter))
3544 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3549 qlcnic_check_health(struct qlcnic_adapter *adapter)
3551 struct qlcnic_hardware_context *ahw = adapter->ahw;
3552 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3553 u32 state = 0, heartbeat;
3557 if (qlcnic_check_temp(adapter))
3560 if (adapter->need_fw_reset)
3561 qlcnic_dev_request_reset(adapter, 0);
3563 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3564 if (state == QLCNIC_DEV_NEED_RESET) {
3565 qlcnic_set_npar_non_operational(adapter);
3566 adapter->need_fw_reset = 1;
3567 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3570 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3571 if (heartbeat != adapter->heartbeat) {
3572 adapter->heartbeat = heartbeat;
3573 adapter->fw_fail_cnt = 0;
3574 if (adapter->need_fw_reset)
3577 if (ahw->reset_context && qlcnic_auto_fw_reset)
3578 qlcnic_reset_hw_context(adapter);
3583 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3586 adapter->flags |= QLCNIC_FW_HANG;
3588 qlcnic_dev_request_reset(adapter, 0);
3590 if (qlcnic_auto_fw_reset)
3591 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3593 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3594 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3595 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3596 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3597 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3598 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3599 "PEG_NET_4_PC: 0x%x\n",
3601 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3602 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3603 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3604 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3605 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3606 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3607 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3608 dev_err(&adapter->pdev->dev,
3609 "Firmware aborted with error code 0x00006700. "
3610 "Device is being reset.\n");
3612 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3613 QLCNIC_DEV_NEED_RESET;
3615 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3618 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3619 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3620 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3621 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3622 qlcnic_dump_fw(adapter);
3628 void qlcnic_fw_poll_work(struct work_struct *work)
3630 struct qlcnic_adapter *adapter = container_of(work,
3631 struct qlcnic_adapter, fw_work.work);
3633 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3637 if (qlcnic_check_health(adapter))
3640 if (adapter->fhash.fnum)
3641 qlcnic_prune_lb_filters(adapter);
3644 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3647 static int qlcnic_is_first_func(struct pci_dev *pdev)
3649 struct pci_dev *oth_pdev;
3650 int val = pdev->devfn;
3653 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3654 (pdev->bus), pdev->bus->number,
3655 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3659 if (oth_pdev->current_state != PCI_D3cold) {
3660 pci_dev_put(oth_pdev);
3663 pci_dev_put(oth_pdev);
3668 static int qlcnic_attach_func(struct pci_dev *pdev)
3670 int err, first_func;
3671 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3672 struct net_device *netdev = adapter->netdev;
3674 pdev->error_state = pci_channel_io_normal;
3676 err = pci_enable_device(pdev);
3680 pci_set_master(pdev);
3681 pci_restore_state(pdev);
3683 first_func = qlcnic_is_first_func(pdev);
3685 if (qlcnic_api_lock(adapter))
3688 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3689 adapter->need_fw_reset = 1;
3690 set_bit(__QLCNIC_START_FW, &adapter->state);
3691 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3692 QLCNIC_DEV_INITIALIZING);
3693 QLCDB(adapter, DRV, "Restarting fw\n");
3695 qlcnic_api_unlock(adapter);
3697 err = qlcnic_start_firmware(adapter);
3701 qlcnic_clr_drv_state(adapter);
3702 kfree(adapter->msix_entries);
3703 adapter->msix_entries = NULL;
3704 err = qlcnic_setup_intr(adapter);
3707 kfree(adapter->msix_entries);
3708 netdev_err(netdev, "failed to setup interrupt\n");
3712 if (netif_running(netdev)) {
3713 err = qlcnic_attach(adapter);
3715 qlcnic_clr_all_drv_state(adapter, 1);
3716 clear_bit(__QLCNIC_AER, &adapter->state);
3717 netif_device_attach(netdev);
3721 err = qlcnic_up(adapter, netdev);
3725 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3728 netif_device_attach(netdev);
3732 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3733 pci_channel_state_t state)
3735 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3736 struct net_device *netdev = adapter->netdev;
3738 if (state == pci_channel_io_perm_failure)
3739 return PCI_ERS_RESULT_DISCONNECT;
3741 if (state == pci_channel_io_normal)
3742 return PCI_ERS_RESULT_RECOVERED;
3744 set_bit(__QLCNIC_AER, &adapter->state);
3745 netif_device_detach(netdev);
3747 cancel_delayed_work_sync(&adapter->fw_work);
3749 if (netif_running(netdev))
3750 qlcnic_down(adapter, netdev);
3752 qlcnic_detach(adapter);
3753 qlcnic_teardown_intr(adapter);
3755 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3757 pci_save_state(pdev);
3758 pci_disable_device(pdev);
3760 return PCI_ERS_RESULT_NEED_RESET;
3763 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3765 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3766 PCI_ERS_RESULT_RECOVERED;
3769 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3772 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3774 pci_cleanup_aer_uncorrect_error_status(pdev);
3775 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3776 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3778 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3782 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3783 pci_channel_state_t state)
3785 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3786 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3788 if (hw_ops->io_error_detected) {
3789 return hw_ops->io_error_detected(pdev, state);
3791 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3792 return PCI_ERS_RESULT_DISCONNECT;
3796 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3798 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3799 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3801 if (hw_ops->io_slot_reset) {
3802 return hw_ops->io_slot_reset(pdev);
3804 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3805 return PCI_ERS_RESULT_DISCONNECT;
3809 static void qlcnic_io_resume(struct pci_dev *pdev)
3811 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3812 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3814 if (hw_ops->io_resume)
3815 hw_ops->io_resume(pdev);
3817 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3822 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3826 err = qlcnic_can_start_firmware(adapter);
3830 err = qlcnic_check_npar_opertional(adapter);
3834 err = qlcnic_initialize_nic(adapter);
3838 qlcnic_check_options(adapter);
3840 err = qlcnic_set_eswitch_port_config(adapter);
3844 adapter->need_fw_reset = 0;
3849 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3852 struct net_device *netdev = adapter->netdev;
3853 u8 max_hw_rings = 0;
3857 if (queue_type == QLCNIC_RX_QUEUE) {
3858 max_hw_rings = adapter->max_sds_rings;
3859 cur_rings = adapter->drv_sds_rings;
3861 } else if (queue_type == QLCNIC_TX_QUEUE) {
3862 max_hw_rings = adapter->max_tx_rings;
3863 cur_rings = adapter->drv_tx_rings;
3867 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
3868 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
3872 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3873 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
3877 if (!is_power_of_2(ring_cnt)) {
3878 netdev_err(netdev, "%s rings value should be a power of 2\n",
3883 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3884 !qlcnic_check_multi_tx(adapter)) {
3885 netdev_err(netdev, "No Multi Tx queue support\n");
3889 if (ring_cnt > num_online_cpus()) {
3891 "%s value[%u] should not be higher than, number of online CPUs\n",
3892 buf, num_online_cpus());
3899 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
3901 struct net_device *netdev = adapter->netdev;
3904 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3907 netif_device_detach(netdev);
3908 if (netif_running(netdev))
3909 __qlcnic_down(adapter, netdev);
3911 qlcnic_detach(adapter);
3913 if (qlcnic_83xx_check(adapter)) {
3914 qlcnic_83xx_free_mbx_intr(adapter);
3915 qlcnic_83xx_enable_mbx_poll(adapter);
3918 qlcnic_teardown_intr(adapter);
3920 err = qlcnic_setup_intr(adapter);
3922 kfree(adapter->msix_entries);
3923 netdev_err(netdev, "failed to setup interrupt\n");
3927 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
3929 if (qlcnic_83xx_check(adapter)) {
3930 qlcnic_83xx_initialize_nic(adapter, 1);
3931 err = qlcnic_83xx_setup_mbx_intr(adapter);
3932 qlcnic_83xx_disable_mbx_poll(adapter);
3934 dev_err(&adapter->pdev->dev,
3935 "failed to setup mbx interrupt\n");
3940 if (netif_running(netdev)) {
3941 err = qlcnic_attach(adapter);
3944 err = __qlcnic_up(adapter, netdev);
3947 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3950 netif_device_attach(netdev);
3951 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3957 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3960 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3961 struct net_device *dev, unsigned long event)
3963 struct in_device *indev;
3965 indev = in_dev_get(dev);
3972 qlcnic_config_ipaddr(adapter,
3973 ifa->ifa_address, QLCNIC_IP_UP);
3976 qlcnic_config_ipaddr(adapter,
3977 ifa->ifa_address, QLCNIC_IP_DOWN);
3982 } endfor_ifa(indev);
3987 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3989 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3990 struct net_device *dev;
3993 qlcnic_config_indev_addr(adapter, netdev, event);
3996 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3997 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
4000 qlcnic_config_indev_addr(adapter, dev, event);
4005 static int qlcnic_netdev_event(struct notifier_block *this,
4006 unsigned long event, void *ptr)
4008 struct qlcnic_adapter *adapter;
4009 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4015 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4016 dev = vlan_dev_real_dev(dev);
4020 if (!is_qlcnic_netdev(dev))
4023 adapter = netdev_priv(dev);
4028 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4031 qlcnic_config_indev_addr(adapter, dev, event);
4037 qlcnic_inetaddr_event(struct notifier_block *this,
4038 unsigned long event, void *ptr)
4040 struct qlcnic_adapter *adapter;
4041 struct net_device *dev;
4043 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4045 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4051 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4052 dev = vlan_dev_real_dev(dev);
4056 if (!is_qlcnic_netdev(dev))
4059 adapter = netdev_priv(dev);
4064 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4069 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4073 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4084 static struct notifier_block qlcnic_netdev_cb = {
4085 .notifier_call = qlcnic_netdev_event,
4088 static struct notifier_block qlcnic_inetaddr_cb = {
4089 .notifier_call = qlcnic_inetaddr_event,
4092 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4095 static const struct pci_error_handlers qlcnic_err_handler = {
4096 .error_detected = qlcnic_io_error_detected,
4097 .slot_reset = qlcnic_io_slot_reset,
4098 .resume = qlcnic_io_resume,
4101 static struct pci_driver qlcnic_driver = {
4102 .name = qlcnic_driver_name,
4103 .id_table = qlcnic_pci_tbl,
4104 .probe = qlcnic_probe,
4105 .remove = qlcnic_remove,
4107 .suspend = qlcnic_suspend,
4108 .resume = qlcnic_resume,
4110 .shutdown = qlcnic_shutdown,
4111 .err_handler = &qlcnic_err_handler,
4112 #ifdef CONFIG_QLCNIC_SRIOV
4113 .sriov_configure = qlcnic_pci_sriov_configure,
4118 static int __init qlcnic_init_module(void)
4122 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4125 register_netdevice_notifier(&qlcnic_netdev_cb);
4126 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4129 ret = pci_register_driver(&qlcnic_driver);
4132 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4133 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4140 module_init(qlcnic_init_module);
4142 static void __exit qlcnic_exit_module(void)
4144 pci_unregister_driver(&qlcnic_driver);
4147 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4148 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4152 module_exit(qlcnic_exit_module);