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>
24 #ifdef CONFIG_QLCNIC_VXLAN
25 #include <net/vxlan.h>
28 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
29 MODULE_LICENSE("GPL");
30 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
31 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
33 char qlcnic_driver_name[] = "qlcnic";
34 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
37 static int qlcnic_mac_learn;
38 module_param(qlcnic_mac_learn, int, 0444);
39 MODULE_PARM_DESC(qlcnic_mac_learn,
40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
42 int qlcnic_use_msi = 1;
43 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
44 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
46 int qlcnic_use_msi_x = 1;
47 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
48 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
50 int qlcnic_auto_fw_reset = 1;
51 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
52 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
54 int qlcnic_load_fw_file;
55 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
56 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
58 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
59 static void qlcnic_remove(struct pci_dev *pdev);
60 static int qlcnic_open(struct net_device *netdev);
61 static int qlcnic_close(struct net_device *netdev);
62 static void qlcnic_tx_timeout(struct net_device *netdev);
63 static void qlcnic_attach_work(struct work_struct *work);
64 static void qlcnic_fwinit_work(struct work_struct *work);
65 #ifdef CONFIG_NET_POLL_CONTROLLER
66 static void qlcnic_poll_controller(struct net_device *netdev);
69 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
70 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
72 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
73 static irqreturn_t qlcnic_intr(int irq, void *data);
74 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
75 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
76 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
78 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
79 static int qlcnic_start_firmware(struct qlcnic_adapter *);
81 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
82 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
83 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
84 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
85 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
87 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
88 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
89 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
90 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
91 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
92 static void qlcnic_82xx_io_resume(struct pci_dev *);
93 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
94 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
96 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
98 struct qlcnic_hardware_context *ahw = adapter->ahw;
100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
106 /* PCI Device ID Table */
107 #define ENTRY(device) \
108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
111 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
120 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
123 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
125 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
128 static const u32 msi_tgt_status[8] = {
129 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
130 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
131 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
132 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
135 static const u32 qlcnic_reg_tbl[] = {
136 0x1B20A8, /* PEG_HALT_STAT1 */
137 0x1B20AC, /* PEG_HALT_STAT2 */
138 0x1B20B0, /* FW_HEARTBEAT */
139 0x1B2100, /* LOCK ID */
140 0x1B2128, /* FW_CAPABILITIES */
141 0x1B2138, /* drv active */
142 0x1B2140, /* dev state */
143 0x1B2144, /* drv state */
144 0x1B2148, /* drv scratch */
145 0x1B214C, /* dev partition info */
146 0x1B2174, /* drv idc ver */
147 0x1B2150, /* fw version major */
148 0x1B2154, /* fw version minor */
149 0x1B2158, /* fw version sub */
150 0x1B219C, /* npar state */
151 0x1B21FC, /* FW_IMG_VALID */
152 0x1B2250, /* CMD_PEG_STATE */
153 0x1B233C, /* RCV_PEG_STATE */
154 0x1B23B4, /* ASIC TEMP */
155 0x1B216C, /* FW api */
156 0x1B2170, /* drv op mode */
157 0x13C010, /* flash lock */
158 0x13C014, /* flash unlock */
161 static const struct qlcnic_board_info qlcnic_boards[] = {
162 { PCI_VENDOR_ID_QLOGIC,
163 PCI_DEVICE_ID_QLOGIC_QLE844X,
166 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
177 "8300 Series Single Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
201 "8300 Series Dual Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
213 "8300 Series Single Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 PCI_VENDOR_ID_QLOGIC,
219 "8300 Series Dual Port 10GbE Converged Network Adapter "
220 "(TCP/IP Networking)" },
221 { PCI_VENDOR_ID_QLOGIC,
222 PCI_DEVICE_ID_QLOGIC_QLE834X,
223 PCI_VENDOR_ID_QLOGIC,
225 "8300 Series Dual Port 10GbE Converged Network Adapter "
226 "(TCP/IP Networking)" },
227 { PCI_VENDOR_ID_QLOGIC,
228 PCI_DEVICE_ID_QLOGIC_QLE834X,
229 0x0, 0x0, "8300 Series 1/10GbE Controller" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
234 "8200 Series Single Port 10GbE Converged Network Adapter"
235 "(TCP/IP Networking)" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
240 "8200 Series Dual Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
247 { PCI_VENDOR_ID_QLOGIC,
248 PCI_DEVICE_ID_QLOGIC_QLE824X,
249 PCI_VENDOR_ID_QLOGIC,
251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
252 { PCI_VENDOR_ID_QLOGIC,
253 PCI_DEVICE_ID_QLOGIC_QLE824X,
254 PCI_VENDOR_ID_QLOGIC,
256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 "NC523SFP 10Gb 2-port Server Adapter" },
261 { PCI_VENDOR_ID_QLOGIC,
262 PCI_DEVICE_ID_QLOGIC_QLE824X,
264 "CN1000Q Dual Port Converged Network Adapter" },
265 { PCI_VENDOR_ID_QLOGIC,
266 PCI_DEVICE_ID_QLOGIC_QLE824X,
267 PCI_VENDOR_ID_QLOGIC,
269 "QME8242-k 10GbE Dual Port Mezzanine Card" },
270 { PCI_VENDOR_ID_QLOGIC,
271 PCI_DEVICE_ID_QLOGIC_QLE824X,
272 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
282 int size = sizeof(struct qlcnic_host_sds_ring) * count;
284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
286 return recv_ctx->sds_rings == NULL;
289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
291 if (recv_ctx->sds_rings != NULL)
292 kfree(recv_ctx->sds_rings);
294 recv_ctx->sds_rings = NULL;
297 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
299 struct net_device *netdev = adapter->netdev;
300 struct pci_dev *pdev = adapter->pdev;
301 u8 mac_addr[ETH_ALEN];
304 ret = qlcnic_get_mac_address(adapter, mac_addr,
305 adapter->ahw->pci_func);
309 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
310 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
312 /* set station address */
314 if (!is_valid_ether_addr(netdev->dev_addr))
315 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
321 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
323 struct qlcnic_mac_vlan_list *cur;
324 struct list_head *head;
326 list_for_each(head, &adapter->mac_list) {
327 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
328 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
329 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
331 list_del(&cur->list);
338 static int qlcnic_set_mac(struct net_device *netdev, void *p)
340 struct qlcnic_adapter *adapter = netdev_priv(netdev);
341 struct sockaddr *addr = p;
343 if (qlcnic_sriov_vf_check(adapter))
346 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
349 if (!is_valid_ether_addr(addr->sa_data))
352 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
356 netif_device_detach(netdev);
357 qlcnic_napi_disable(adapter);
360 qlcnic_delete_adapter_mac(adapter);
361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
363 qlcnic_set_multi(adapter->netdev);
365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
366 netif_device_attach(netdev);
367 qlcnic_napi_enable(adapter);
372 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
373 struct net_device *netdev, const unsigned char *addr)
375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
376 int err = -EOPNOTSUPP;
378 if (!adapter->fdb_mac_learn)
379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
381 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
382 if (is_unicast_ether_addr(addr)) {
383 err = dev_uc_del(netdev, addr);
385 err = qlcnic_nic_del_mac(adapter, addr);
386 } else if (is_multicast_ether_addr(addr)) {
387 err = dev_mc_del(netdev, addr);
395 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
396 struct net_device *netdev,
397 const unsigned char *addr, u16 flags)
399 struct qlcnic_adapter *adapter = netdev_priv(netdev);
402 if (!adapter->fdb_mac_learn)
403 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
405 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
406 pr_info("%s: FDB e-switch is not enabled\n", __func__);
410 if (ether_addr_equal(addr, adapter->mac_addr))
413 if (is_unicast_ether_addr(addr)) {
414 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
415 err = dev_uc_add_excl(netdev, addr);
418 } else if (is_multicast_ether_addr(addr)) {
419 err = dev_mc_add_excl(netdev, addr);
427 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
428 struct net_device *netdev, int idx)
430 struct qlcnic_adapter *adapter = netdev_priv(netdev);
432 if (!adapter->fdb_mac_learn)
433 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
435 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
436 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
441 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
443 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
444 usleep_range(10000, 11000);
446 if (!adapter->fw_work.work.func)
449 cancel_delayed_work_sync(&adapter->fw_work);
452 static int qlcnic_get_phys_port_id(struct net_device *netdev,
453 struct netdev_phys_port_id *ppid)
455 struct qlcnic_adapter *adapter = netdev_priv(netdev);
456 struct qlcnic_hardware_context *ahw = adapter->ahw;
458 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
461 ppid->id_len = sizeof(ahw->phys_port_id);
462 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
467 #ifdef CONFIG_QLCNIC_VXLAN
468 static void qlcnic_add_vxlan_port(struct net_device *netdev,
469 sa_family_t sa_family, __be16 port)
471 struct qlcnic_adapter *adapter = netdev_priv(netdev);
472 struct qlcnic_hardware_context *ahw = adapter->ahw;
474 /* Adapter supports only one VXLAN port. Use very first port
475 * for enabling offload
477 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
480 ahw->vxlan_port = ntohs(port);
481 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
484 static void qlcnic_del_vxlan_port(struct net_device *netdev,
485 sa_family_t sa_family, __be16 port)
487 struct qlcnic_adapter *adapter = netdev_priv(netdev);
488 struct qlcnic_hardware_context *ahw = adapter->ahw;
490 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
491 (ahw->vxlan_port != ntohs(port)))
494 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
498 static const struct net_device_ops qlcnic_netdev_ops = {
499 .ndo_open = qlcnic_open,
500 .ndo_stop = qlcnic_close,
501 .ndo_start_xmit = qlcnic_xmit_frame,
502 .ndo_get_stats = qlcnic_get_stats,
503 .ndo_validate_addr = eth_validate_addr,
504 .ndo_set_rx_mode = qlcnic_set_multi,
505 .ndo_set_mac_address = qlcnic_set_mac,
506 .ndo_change_mtu = qlcnic_change_mtu,
507 .ndo_fix_features = qlcnic_fix_features,
508 .ndo_set_features = qlcnic_set_features,
509 .ndo_tx_timeout = qlcnic_tx_timeout,
510 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
511 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
512 .ndo_fdb_add = qlcnic_fdb_add,
513 .ndo_fdb_del = qlcnic_fdb_del,
514 .ndo_fdb_dump = qlcnic_fdb_dump,
515 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
516 #ifdef CONFIG_QLCNIC_VXLAN
517 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
518 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
520 #ifdef CONFIG_NET_POLL_CONTROLLER
521 .ndo_poll_controller = qlcnic_poll_controller,
523 #ifdef CONFIG_QLCNIC_SRIOV
524 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
525 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
526 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
527 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
528 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
532 static const struct net_device_ops qlcnic_netdev_failed_ops = {
533 .ndo_open = qlcnic_open,
536 static struct qlcnic_nic_template qlcnic_ops = {
537 .config_bridged_mode = qlcnic_config_bridged_mode,
538 .config_led = qlcnic_82xx_config_led,
539 .start_firmware = qlcnic_82xx_start_firmware,
540 .request_reset = qlcnic_82xx_dev_request_reset,
541 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
542 .napi_add = qlcnic_82xx_napi_add,
543 .napi_del = qlcnic_82xx_napi_del,
544 .config_ipaddr = qlcnic_82xx_config_ipaddr,
545 .shutdown = qlcnic_82xx_shutdown,
546 .resume = qlcnic_82xx_resume,
547 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
550 struct qlcnic_nic_template qlcnic_vf_ops = {
551 .config_bridged_mode = qlcnicvf_config_bridged_mode,
552 .config_led = qlcnicvf_config_led,
553 .start_firmware = qlcnicvf_start_firmware
556 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
557 .read_crb = qlcnic_82xx_read_crb,
558 .write_crb = qlcnic_82xx_write_crb,
559 .read_reg = qlcnic_82xx_hw_read_wx_2M,
560 .write_reg = qlcnic_82xx_hw_write_wx_2M,
561 .get_mac_address = qlcnic_82xx_get_mac_address,
562 .setup_intr = qlcnic_82xx_setup_intr,
563 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
564 .mbx_cmd = qlcnic_82xx_issue_cmd,
565 .get_func_no = qlcnic_82xx_get_func_no,
566 .api_lock = qlcnic_82xx_api_lock,
567 .api_unlock = qlcnic_82xx_api_unlock,
568 .add_sysfs = qlcnic_82xx_add_sysfs,
569 .remove_sysfs = qlcnic_82xx_remove_sysfs,
570 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
571 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
572 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
573 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
574 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
575 .setup_link_event = qlcnic_82xx_linkevent_request,
576 .get_nic_info = qlcnic_82xx_get_nic_info,
577 .get_pci_info = qlcnic_82xx_get_pci_info,
578 .set_nic_info = qlcnic_82xx_set_nic_info,
579 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
580 .napi_enable = qlcnic_82xx_napi_enable,
581 .napi_disable = qlcnic_82xx_napi_disable,
582 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
583 .config_rss = qlcnic_82xx_config_rss,
584 .config_hw_lro = qlcnic_82xx_config_hw_lro,
585 .config_loopback = qlcnic_82xx_set_lb_mode,
586 .clear_loopback = qlcnic_82xx_clear_lb_mode,
587 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
588 .change_l2_filter = qlcnic_82xx_change_filter,
589 .get_board_info = qlcnic_82xx_get_board_info,
590 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
591 .free_mac_list = qlcnic_82xx_free_mac_list,
592 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
593 .io_error_detected = qlcnic_82xx_io_error_detected,
594 .io_slot_reset = qlcnic_82xx_io_slot_reset,
595 .io_resume = qlcnic_82xx_io_resume,
596 .get_beacon_state = qlcnic_82xx_get_beacon_state,
597 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
598 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
599 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
600 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
601 .get_saved_state = qlcnic_82xx_get_saved_state,
602 .set_saved_state = qlcnic_82xx_set_saved_state,
603 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
604 .get_cap_size = qlcnic_82xx_get_cap_size,
605 .set_sys_info = qlcnic_82xx_set_sys_info,
606 .store_cap_mask = qlcnic_82xx_store_cap_mask,
609 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
611 struct qlcnic_hardware_context *ahw = adapter->ahw;
613 if (qlcnic_82xx_check(adapter) &&
614 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
615 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
622 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
625 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
627 if (queue_type == QLCNIC_RX_QUEUE)
628 max_rings = adapter->max_sds_rings;
629 else if (queue_type == QLCNIC_TX_QUEUE)
630 max_rings = adapter->max_tx_rings;
632 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
635 if (ring_cnt > num_rings)
641 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
643 /* 83xx adapter does not have max_tx_rings intialized in probe */
644 if (adapter->max_tx_rings)
645 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
648 adapter->drv_tx_rings = tx_cnt;
651 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
653 /* 83xx adapter does not have max_sds_rings intialized in probe */
654 if (adapter->max_sds_rings)
655 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
658 adapter->drv_sds_rings = rx_cnt;
661 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
663 struct pci_dev *pdev = adapter->pdev;
664 int num_msix = 0, err = 0, vector;
666 adapter->flags &= ~QLCNIC_TSS_RSS;
668 if (adapter->drv_tss_rings > 0)
669 num_msix += adapter->drv_tss_rings;
671 num_msix += adapter->drv_tx_rings;
673 if (adapter->drv_rss_rings > 0)
674 num_msix += adapter->drv_rss_rings;
676 num_msix += adapter->drv_sds_rings;
678 if (qlcnic_83xx_check(adapter))
681 if (!adapter->msix_entries) {
682 adapter->msix_entries = kcalloc(num_msix,
683 sizeof(struct msix_entry),
685 if (!adapter->msix_entries)
689 for (vector = 0; vector < num_msix; vector++)
690 adapter->msix_entries[vector].entry = vector;
693 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
695 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
698 netdev_info(adapter->netdev,
699 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
702 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
704 /* Set rings to 0 so we can restore original TSS/RSS count */
705 adapter->drv_tss_rings = 0;
706 adapter->drv_rss_rings = 0;
708 if (qlcnic_83xx_check(adapter))
711 netdev_info(adapter->netdev,
712 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
713 adapter->drv_tx_rings, adapter->drv_sds_rings,
717 } else if (err < 0) {
721 adapter->ahw->num_msix = num_msix;
722 if (adapter->drv_tss_rings > 0)
723 adapter->drv_tx_rings = adapter->drv_tss_rings;
725 if (adapter->drv_rss_rings > 0)
726 adapter->drv_sds_rings = adapter->drv_rss_rings;
731 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
733 struct pci_dev *pdev = adapter->pdev;
736 if (!adapter->msix_entries) {
737 adapter->msix_entries = kcalloc(num_msix,
738 sizeof(struct msix_entry),
740 if (!adapter->msix_entries)
744 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
746 if (adapter->ahw->msix_supported) {
748 for (vector = 0; vector < num_msix; vector++)
749 adapter->msix_entries[vector].entry = vector;
751 err = pci_enable_msix_range(pdev,
752 adapter->msix_entries, 1, num_msix);
754 if (err == num_msix) {
755 adapter->flags |= QLCNIC_MSIX_ENABLED;
756 adapter->ahw->num_msix = num_msix;
757 dev_info(&pdev->dev, "using msi-x interrupts\n");
759 } else if (err > 0) {
760 pci_disable_msix(pdev);
763 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
766 if (qlcnic_82xx_check(adapter)) {
767 num_msix = rounddown_pow_of_two(err);
768 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
771 num_msix = rounddown_pow_of_two(err - 1);
773 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
777 if (qlcnic_82xx_check(adapter) &&
778 !qlcnic_check_multi_tx(adapter)) {
779 adapter->drv_sds_rings = num_msix;
780 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
782 /* Distribute vectors equally */
783 adapter->drv_tx_rings = num_msix / 2;
784 adapter->drv_sds_rings = adapter->drv_tx_rings;
789 "Trying to allocate %d MSI-X interrupt vectors\n",
795 "Unable to allocate %d MSI-X vectors, err=%d\n",
804 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
808 num_msix = adapter->drv_sds_rings;
810 if (qlcnic_check_multi_tx(adapter))
811 num_msix += adapter->drv_tx_rings;
813 num_msix += QLCNIC_SINGLE_RING;
818 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
821 u32 offset, mask_reg;
822 const struct qlcnic_legacy_intr_set *legacy_intrp;
823 struct qlcnic_hardware_context *ahw = adapter->ahw;
824 struct pci_dev *pdev = adapter->pdev;
826 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
827 adapter->flags |= QLCNIC_MSI_ENABLED;
828 offset = msi_tgt_status[adapter->ahw->pci_func];
829 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
831 dev_info(&pdev->dev, "using msi interrupts\n");
832 adapter->msix_entries[0].vector = pdev->irq;
836 if (qlcnic_use_msi || qlcnic_use_msi_x)
839 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
840 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
841 offset = legacy_intrp->tgt_status_reg;
842 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
843 mask_reg = legacy_intrp->tgt_mask_reg;
844 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
845 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
846 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
847 dev_info(&pdev->dev, "using legacy interrupts\n");
848 adapter->msix_entries[0].vector = pdev->irq;
852 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
854 int num_msix, err = 0;
856 if (adapter->flags & QLCNIC_TSS_RSS) {
857 err = qlcnic_setup_tss_rss_intr(adapter);
860 num_msix = adapter->ahw->num_msix;
862 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
864 err = qlcnic_enable_msix(adapter, num_msix);
868 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
869 qlcnic_disable_multi_tx(adapter);
870 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
872 err = qlcnic_enable_msi_legacy(adapter);
881 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
883 struct qlcnic_hardware_context *ahw = adapter->ahw;
886 if (qlcnic_check_multi_tx(adapter) &&
888 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
889 ahw->intr_tbl = vzalloc(ahw->num_msix *
890 sizeof(struct qlcnic_intrpt_config));
894 for (i = 0; i < ahw->num_msix; i++) {
895 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
896 ahw->intr_tbl[i].id = i;
897 ahw->intr_tbl[i].src = 0;
900 err = qlcnic_82xx_config_intrpt(adapter, 1);
902 dev_err(&adapter->pdev->dev,
903 "Failed to configure Interrupt for %d vector\n",
911 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
913 if (adapter->flags & QLCNIC_MSIX_ENABLED)
914 pci_disable_msix(adapter->pdev);
915 if (adapter->flags & QLCNIC_MSI_ENABLED)
916 pci_disable_msi(adapter->pdev);
918 kfree(adapter->msix_entries);
919 adapter->msix_entries = NULL;
921 if (adapter->ahw->intr_tbl) {
922 vfree(adapter->ahw->intr_tbl);
923 adapter->ahw->intr_tbl = NULL;
927 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
929 if (ahw->pci_base0 != NULL)
930 iounmap(ahw->pci_base0);
933 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
935 struct qlcnic_hardware_context *ahw = adapter->ahw;
936 struct qlcnic_pci_info *pci_info;
939 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
940 switch (ahw->port_type) {
942 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
945 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
951 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
954 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
958 ret = qlcnic_get_pci_info(adapter, pci_info);
963 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
967 if (qlcnic_84xx_check(adapter)) {
969 } else if (qlcnic_83xx_check(adapter)) {
970 if (adapter->ahw->extra_capability[0] &
971 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
980 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
982 struct qlcnic_hardware_context *ahw = adapter->ahw;
983 struct qlcnic_pci_info *pci_info;
984 int i, id = 0, ret = 0, j = 0;
988 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
992 ret = qlcnic_get_pci_info(adapter, pci_info);
996 act_pci_func = ahw->total_nic_func;
998 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
999 act_pci_func, GFP_KERNEL);
1000 if (!adapter->npars) {
1005 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1006 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1007 if (!adapter->eswitch) {
1012 for (i = 0; i < ahw->max_vnic_func; i++) {
1013 pfn = pci_info[i].id;
1015 if (pfn >= ahw->max_vnic_func) {
1016 ret = QL_STATUS_INVALID_PARAM;
1020 if (!pci_info[i].active ||
1021 (pci_info[i].type != QLCNIC_TYPE_NIC))
1024 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1025 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1027 adapter->npars[j].eswitch_status = true;
1031 adapter->npars[j].eswitch_status = true;
1034 adapter->npars[j].pci_func = pfn;
1035 adapter->npars[j].active = (u8)pci_info[i].active;
1036 adapter->npars[j].type = (u8)pci_info[i].type;
1037 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1038 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1039 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1041 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1045 /* Update eSwitch status for adapters without per port eSwitch
1046 * configuration capability
1048 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1049 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1050 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1057 kfree(adapter->eswitch);
1058 adapter->eswitch = NULL;
1060 kfree(adapter->npars);
1061 adapter->npars = NULL;
1069 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1073 u32 data = QLCNIC_MGMT_FUNC;
1074 struct qlcnic_hardware_context *ahw = adapter->ahw;
1076 ret = qlcnic_api_lock(adapter);
1081 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1082 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1083 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1084 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1085 qlcnic_api_unlock(adapter);
1090 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1091 const struct pci_device_id *ent)
1093 u32 op_mode, priv_level;
1095 /* Determine FW API version */
1096 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1099 /* Find PCI function number */
1100 qlcnic_get_func_no(adapter);
1102 /* Determine function privilege level */
1103 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1104 if (op_mode == QLC_DEV_DRV_DEFAULT)
1105 priv_level = QLCNIC_MGMT_FUNC;
1107 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1109 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1110 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1111 dev_info(&adapter->pdev->dev,
1112 "HAL Version: %d Non Privileged function\n",
1113 adapter->ahw->fw_hal_version);
1114 adapter->nic_ops = &qlcnic_vf_ops;
1116 adapter->nic_ops = &qlcnic_ops;
1119 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1120 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1121 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1124 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1125 *bar = QLCNIC_82XX_BAR0_LENGTH;
1127 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1128 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1129 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1130 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1131 *bar = QLCNIC_83XX_BAR0_LENGTH;
1138 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1139 struct qlcnic_hardware_context *ahw)
1142 void __iomem *mem_ptr0 = NULL;
1143 unsigned long mem_len, pci_len0 = 0, bar0_len;
1145 /* remap phys address */
1146 mem_len = pci_resource_len(pdev, 0);
1148 qlcnic_get_bar_length(pdev->device, &bar0_len);
1149 if (mem_len >= bar0_len) {
1151 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1152 if (mem_ptr0 == NULL) {
1153 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1161 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1163 ahw->pci_base0 = mem_ptr0;
1164 ahw->pci_len0 = pci_len0;
1165 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1166 qlcnic_get_ioaddr(ahw, offset);
1171 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1174 struct pci_dev *pdev = adapter->pdev;
1175 unsigned short subsystem_vendor;
1178 subsystem_vendor = pdev->subsystem_vendor;
1180 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1181 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1182 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1183 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1192 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1194 struct pci_dev *pdev = adapter->pdev;
1197 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1198 if (qlcnic_boards[i].vendor == pdev->vendor &&
1199 qlcnic_boards[i].device == pdev->device &&
1200 qlcnic_validate_subsystem_id(adapter, i)) {
1207 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1209 sprintf(name, "%pM: %s" , adapter->mac_addr,
1210 qlcnic_boards[i].short_name);
1214 qlcnic_check_options(struct qlcnic_adapter *adapter)
1217 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1218 struct pci_dev *pdev = adapter->pdev;
1219 struct qlcnic_hardware_context *ahw = adapter->ahw;
1220 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1222 prev_fw_version = adapter->fw_version;
1224 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1225 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1226 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1228 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1230 err = qlcnic_get_board_info(adapter);
1232 dev_err(&pdev->dev, "Error getting board config info.\n");
1235 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1236 if (fw_dump->tmpl_hdr == NULL ||
1237 adapter->fw_version > prev_fw_version) {
1238 if (fw_dump->tmpl_hdr)
1239 vfree(fw_dump->tmpl_hdr);
1240 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1241 dev_info(&pdev->dev,
1242 "Supports FW dump capability\n");
1246 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1247 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1249 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1250 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1251 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1252 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1254 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1255 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1258 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1259 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1261 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1262 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1263 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1264 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1265 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1268 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1270 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1272 adapter->max_rds_rings = MAX_RDS_RINGS;
1276 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1278 struct qlcnic_info nic_info;
1281 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1282 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1286 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1287 adapter->ahw->switch_mode = nic_info.switch_mode;
1288 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1289 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1290 adapter->ahw->capabilities = nic_info.capabilities;
1292 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1294 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1297 adapter->ahw->extra_capability[0] = temp;
1299 adapter->ahw->extra_capability[0] = 0;
1302 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1303 adapter->ahw->max_mtu = nic_info.max_mtu;
1305 if (adapter->ahw->capabilities & BIT_6) {
1306 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1307 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1308 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1309 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1311 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1313 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1314 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1315 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1316 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1322 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1323 struct qlcnic_esw_func_cfg *esw_cfg)
1325 if (esw_cfg->discard_tagged)
1326 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1328 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1330 if (esw_cfg->vlan_id) {
1331 adapter->rx_pvid = esw_cfg->vlan_id;
1332 adapter->tx_pvid = esw_cfg->vlan_id;
1334 adapter->rx_pvid = 0;
1335 adapter->tx_pvid = 0;
1340 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1342 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1345 if (qlcnic_sriov_vf_check(adapter)) {
1346 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1349 "Cannot add VLAN filter for VLAN id %d, err=%d",
1355 set_bit(vid, adapter->vlans);
1360 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1362 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1365 if (qlcnic_sriov_vf_check(adapter)) {
1366 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1369 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1375 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1376 clear_bit(vid, adapter->vlans);
1380 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1381 struct qlcnic_esw_func_cfg *esw_cfg)
1383 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1384 QLCNIC_PROMISC_DISABLED);
1386 if (esw_cfg->mac_anti_spoof)
1387 adapter->flags |= QLCNIC_MACSPOOF;
1389 if (!esw_cfg->mac_override)
1390 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1392 if (!esw_cfg->promisc_mode)
1393 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1396 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1398 struct qlcnic_esw_func_cfg esw_cfg;
1400 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1403 esw_cfg.pci_func = adapter->ahw->pci_func;
1404 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1406 qlcnic_set_vlan_config(adapter, &esw_cfg);
1407 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1408 qlcnic_set_netdev_features(adapter, &esw_cfg);
1413 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1414 struct qlcnic_esw_func_cfg *esw_cfg)
1416 struct net_device *netdev = adapter->netdev;
1418 if (qlcnic_83xx_check(adapter))
1421 adapter->offload_flags = esw_cfg->offload_flags;
1422 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1423 netdev_update_features(netdev);
1424 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1428 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1430 u32 op_mode, priv_level;
1433 err = qlcnic_initialize_nic(adapter);
1437 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1440 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1441 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1443 if (op_mode == QLC_DEV_DRV_DEFAULT)
1444 priv_level = QLCNIC_MGMT_FUNC;
1446 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1448 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1449 if (priv_level == QLCNIC_MGMT_FUNC) {
1450 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1451 err = qlcnic_init_pci_info(adapter);
1454 /* Set privilege level for other functions */
1455 qlcnic_set_function_modes(adapter);
1456 dev_info(&adapter->pdev->dev,
1457 "HAL Version: %d, Management function\n",
1458 adapter->ahw->fw_hal_version);
1459 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1460 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1461 dev_info(&adapter->pdev->dev,
1462 "HAL Version: %d, Privileged function\n",
1463 adapter->ahw->fw_hal_version);
1466 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1469 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1474 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1476 struct qlcnic_esw_func_cfg esw_cfg;
1477 struct qlcnic_npar_info *npar;
1480 if (adapter->need_fw_reset)
1483 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1484 if (!adapter->npars[i].eswitch_status)
1487 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1488 esw_cfg.pci_func = adapter->npars[i].pci_func;
1489 esw_cfg.mac_override = BIT_0;
1490 esw_cfg.promisc_mode = BIT_0;
1491 if (qlcnic_82xx_check(adapter)) {
1492 esw_cfg.offload_flags = BIT_0;
1493 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1494 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1496 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1498 npar = &adapter->npars[i];
1499 npar->pvid = esw_cfg.vlan_id;
1500 npar->mac_override = esw_cfg.mac_override;
1501 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1502 npar->discard_tagged = esw_cfg.discard_tagged;
1503 npar->promisc_mode = esw_cfg.promisc_mode;
1504 npar->offload_flags = esw_cfg.offload_flags;
1512 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1513 struct qlcnic_npar_info *npar, int pci_func)
1515 struct qlcnic_esw_func_cfg esw_cfg;
1516 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1517 esw_cfg.pci_func = pci_func;
1518 esw_cfg.vlan_id = npar->pvid;
1519 esw_cfg.mac_override = npar->mac_override;
1520 esw_cfg.discard_tagged = npar->discard_tagged;
1521 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1522 esw_cfg.offload_flags = npar->offload_flags;
1523 esw_cfg.promisc_mode = npar->promisc_mode;
1524 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1527 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1528 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1534 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1537 struct qlcnic_npar_info *npar;
1538 struct qlcnic_info nic_info;
1541 if (qlcnic_82xx_check(adapter))
1542 if (!adapter->need_fw_reset)
1545 /* Set the NPAR config data after FW reset */
1546 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1547 npar = &adapter->npars[i];
1548 pci_func = npar->pci_func;
1549 if (!adapter->npars[i].eswitch_status)
1552 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1553 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1556 nic_info.min_tx_bw = npar->min_bw;
1557 nic_info.max_tx_bw = npar->max_bw;
1558 err = qlcnic_set_nic_info(adapter, &nic_info);
1562 if (npar->enable_pm) {
1563 err = qlcnic_config_port_mirroring(adapter,
1569 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1576 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1578 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1581 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1584 npar_state = QLC_SHARED_REG_RD32(adapter,
1585 QLCNIC_CRB_DEV_NPAR_STATE);
1586 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1588 npar_state = QLC_SHARED_REG_RD32(adapter,
1589 QLCNIC_CRB_DEV_NPAR_STATE);
1591 if (!npar_opt_timeo) {
1592 dev_err(&adapter->pdev->dev,
1593 "Waiting for NPAR state to operational timeout\n");
1600 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1604 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1605 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1608 err = qlcnic_set_default_offload_settings(adapter);
1612 err = qlcnic_reset_npar_config(adapter);
1616 qlcnic_dev_set_npar_ready(adapter);
1621 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1625 err = qlcnic_can_start_firmware(adapter);
1629 goto check_fw_status;
1631 if (qlcnic_load_fw_file)
1632 qlcnic_request_firmware(adapter);
1634 err = qlcnic_check_flash_fw_ver(adapter);
1638 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1641 err = qlcnic_need_fw_reset(adapter);
1643 goto check_fw_status;
1645 err = qlcnic_pinit_from_rom(adapter);
1649 err = qlcnic_load_firmware(adapter);
1653 qlcnic_release_firmware(adapter);
1654 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1657 err = qlcnic_check_fw_status(adapter);
1661 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1662 qlcnic_idc_debug_info(adapter, 1);
1663 err = qlcnic_check_eswitch_mode(adapter);
1665 dev_err(&adapter->pdev->dev,
1666 "Memory allocation failed for eswitch\n");
1669 err = qlcnic_set_mgmt_operations(adapter);
1673 qlcnic_check_options(adapter);
1674 adapter->need_fw_reset = 0;
1676 qlcnic_release_firmware(adapter);
1680 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1681 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1683 qlcnic_release_firmware(adapter);
1688 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1690 irq_handler_t handler;
1691 struct qlcnic_host_sds_ring *sds_ring;
1692 struct qlcnic_host_tx_ring *tx_ring;
1693 int err, ring, num_sds_rings;
1695 unsigned long flags = 0;
1696 struct net_device *netdev = adapter->netdev;
1697 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1699 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1700 if (qlcnic_82xx_check(adapter))
1701 handler = qlcnic_tmp_intr;
1703 handler = qlcnic_83xx_tmp_intr;
1704 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1705 flags |= IRQF_SHARED;
1708 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1709 handler = qlcnic_msix_intr;
1710 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1711 handler = qlcnic_msi_intr;
1713 flags |= IRQF_SHARED;
1714 if (qlcnic_82xx_check(adapter))
1715 handler = qlcnic_intr;
1717 handler = qlcnic_83xx_intr;
1720 adapter->irq = netdev->irq;
1722 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1723 if (qlcnic_82xx_check(adapter) ||
1724 (qlcnic_83xx_check(adapter) &&
1725 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1726 num_sds_rings = adapter->drv_sds_rings;
1727 for (ring = 0; ring < num_sds_rings; ring++) {
1728 sds_ring = &recv_ctx->sds_rings[ring];
1729 if (qlcnic_82xx_check(adapter) &&
1730 !qlcnic_check_multi_tx(adapter) &&
1731 (ring == (num_sds_rings - 1))) {
1732 if (!(adapter->flags &
1733 QLCNIC_MSIX_ENABLED))
1734 snprintf(sds_ring->name,
1735 sizeof(sds_ring->name),
1738 snprintf(sds_ring->name,
1739 sizeof(sds_ring->name),
1741 netdev->name, ring);
1743 snprintf(sds_ring->name,
1744 sizeof(sds_ring->name),
1746 netdev->name, ring);
1748 err = request_irq(sds_ring->irq, handler, flags,
1749 sds_ring->name, sds_ring);
1754 if ((qlcnic_82xx_check(adapter) &&
1755 qlcnic_check_multi_tx(adapter)) ||
1756 (qlcnic_83xx_check(adapter) &&
1757 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1758 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1759 handler = qlcnic_msix_tx_intr;
1760 for (ring = 0; ring < adapter->drv_tx_rings;
1762 tx_ring = &adapter->tx_ring[ring];
1763 snprintf(tx_ring->name, sizeof(tx_ring->name),
1764 "%s-tx-%d", netdev->name, ring);
1765 err = request_irq(tx_ring->irq, handler, flags,
1766 tx_ring->name, tx_ring);
1776 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1779 struct qlcnic_host_sds_ring *sds_ring;
1780 struct qlcnic_host_tx_ring *tx_ring;
1782 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1784 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1785 if (qlcnic_82xx_check(adapter) ||
1786 (qlcnic_83xx_check(adapter) &&
1787 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1788 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1789 sds_ring = &recv_ctx->sds_rings[ring];
1790 free_irq(sds_ring->irq, sds_ring);
1793 if ((qlcnic_83xx_check(adapter) &&
1794 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1795 (qlcnic_82xx_check(adapter) &&
1796 qlcnic_check_multi_tx(adapter))) {
1797 for (ring = 0; ring < adapter->drv_tx_rings;
1799 tx_ring = &adapter->tx_ring[ring];
1801 free_irq(tx_ring->irq, tx_ring);
1807 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1811 if (qlcnic_82xx_check(adapter)) {
1812 if (adapter->ahw->extra_capability[0] &
1813 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1814 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1816 capab = adapter->ahw->capabilities;
1817 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1818 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1822 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1824 struct qlcnic_hardware_context *ahw = adapter->ahw;
1827 /* Initialize interrupt coalesce parameters */
1828 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1830 if (qlcnic_83xx_check(adapter)) {
1831 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1832 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1833 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1834 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1835 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1837 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1839 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1840 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1841 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1843 err = qlcnic_82xx_set_rx_coalesce(adapter);
1849 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1852 struct qlcnic_host_rds_ring *rds_ring;
1854 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1857 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1860 if (qlcnic_set_eswitch_port_config(adapter))
1863 qlcnic_get_lro_mss_capability(adapter);
1865 if (qlcnic_fw_create_ctx(adapter))
1868 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1869 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1870 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1873 qlcnic_set_multi(netdev);
1874 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1876 adapter->ahw->linkup = 0;
1878 if (adapter->drv_sds_rings > 1)
1879 qlcnic_config_rss(adapter, 1);
1881 qlcnic_config_def_intr_coalesce(adapter);
1883 if (netdev->features & NETIF_F_LRO)
1884 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1886 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1887 qlcnic_napi_enable(adapter);
1889 qlcnic_linkevent_request(adapter, 1);
1891 adapter->ahw->reset_context = 0;
1892 netif_tx_start_all_queues(netdev);
1896 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1901 if (netif_running(netdev))
1902 err = __qlcnic_up(adapter, netdev);
1908 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1912 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1915 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1918 if (qlcnic_sriov_vf_check(adapter))
1919 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1921 netif_carrier_off(netdev);
1922 adapter->ahw->linkup = 0;
1923 netif_tx_disable(netdev);
1925 qlcnic_free_mac_list(adapter);
1927 if (adapter->fhash.fnum)
1928 qlcnic_delete_lb_filters(adapter);
1930 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1932 qlcnic_napi_disable(adapter);
1934 qlcnic_fw_destroy_ctx(adapter);
1935 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1937 qlcnic_reset_rx_buffers_list(adapter);
1939 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1940 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1943 /* Usage: During suspend and firmware recovery module */
1945 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1948 if (netif_running(netdev))
1949 __qlcnic_down(adapter, netdev);
1955 qlcnic_attach(struct qlcnic_adapter *adapter)
1957 struct net_device *netdev = adapter->netdev;
1958 struct pci_dev *pdev = adapter->pdev;
1961 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1964 err = qlcnic_napi_add(adapter, netdev);
1968 err = qlcnic_alloc_sw_resources(adapter);
1970 dev_err(&pdev->dev, "Error in setting sw resources\n");
1971 goto err_out_napi_del;
1974 err = qlcnic_alloc_hw_resources(adapter);
1976 dev_err(&pdev->dev, "Error in setting hw resources\n");
1977 goto err_out_free_sw;
1980 err = qlcnic_request_irq(adapter);
1982 dev_err(&pdev->dev, "failed to setup interrupt\n");
1983 goto err_out_free_hw;
1986 qlcnic_create_sysfs_entries(adapter);
1988 #ifdef CONFIG_QLCNIC_VXLAN
1989 if (qlcnic_encap_rx_offload(adapter))
1990 vxlan_get_rx_port(netdev);
1993 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1997 qlcnic_free_hw_resources(adapter);
1999 qlcnic_free_sw_resources(adapter);
2001 qlcnic_napi_del(adapter);
2005 void qlcnic_detach(struct qlcnic_adapter *adapter)
2007 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2010 qlcnic_remove_sysfs_entries(adapter);
2012 qlcnic_free_hw_resources(adapter);
2013 qlcnic_release_rx_buffers(adapter);
2014 qlcnic_free_irq(adapter);
2015 qlcnic_napi_del(adapter);
2016 qlcnic_free_sw_resources(adapter);
2021 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2023 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2024 struct qlcnic_host_sds_ring *sds_ring;
2025 int drv_tx_rings = adapter->drv_tx_rings;
2028 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2029 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2030 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2031 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2032 qlcnic_disable_sds_intr(adapter, sds_ring);
2036 qlcnic_fw_destroy_ctx(adapter);
2038 qlcnic_detach(adapter);
2040 adapter->ahw->diag_test = 0;
2041 adapter->drv_sds_rings = drv_sds_rings;
2042 adapter->drv_tx_rings = drv_tx_rings;
2044 if (qlcnic_attach(adapter))
2047 if (netif_running(netdev))
2048 __qlcnic_up(adapter, netdev);
2050 netif_device_attach(netdev);
2053 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2057 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2059 if (!adapter->recv_ctx) {
2065 memset(&adapter->stats, 0, sizeof(adapter->stats));
2070 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2072 kfree(adapter->recv_ctx);
2073 adapter->recv_ctx = NULL;
2075 if (adapter->ahw->fw_dump.tmpl_hdr) {
2076 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2077 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2080 kfree(adapter->ahw->reset.buff);
2081 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2084 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2086 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2087 struct qlcnic_host_sds_ring *sds_ring;
2088 struct qlcnic_host_rds_ring *rds_ring;
2092 netif_device_detach(netdev);
2094 if (netif_running(netdev))
2095 __qlcnic_down(adapter, netdev);
2097 qlcnic_detach(adapter);
2099 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2100 adapter->ahw->diag_test = test;
2101 adapter->ahw->linkup = 0;
2103 ret = qlcnic_attach(adapter);
2105 netif_device_attach(netdev);
2109 ret = qlcnic_fw_create_ctx(adapter);
2111 qlcnic_detach(adapter);
2112 netif_device_attach(netdev);
2116 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2117 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2118 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2121 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2122 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2123 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2124 qlcnic_enable_sds_intr(adapter, sds_ring);
2128 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2129 adapter->ahw->loopback_state = 0;
2130 qlcnic_linkevent_request(adapter, 1);
2133 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2138 /* Reset context in hardware only */
2140 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2142 struct net_device *netdev = adapter->netdev;
2144 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2147 netif_device_detach(netdev);
2149 qlcnic_down(adapter, netdev);
2151 qlcnic_up(adapter, netdev);
2153 netif_device_attach(netdev);
2155 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2156 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2161 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2164 struct net_device *netdev = adapter->netdev;
2166 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2169 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2171 netif_device_detach(netdev);
2173 if (netif_running(netdev))
2174 __qlcnic_down(adapter, netdev);
2176 qlcnic_detach(adapter);
2178 if (netif_running(netdev)) {
2179 err = qlcnic_attach(adapter);
2181 __qlcnic_up(adapter, netdev);
2182 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2186 netif_device_attach(netdev);
2189 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2193 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2195 struct qlcnic_hardware_context *ahw = adapter->ahw;
2196 u16 act_pci_fn = ahw->total_nic_func;
2199 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2200 if (act_pci_fn <= 2)
2201 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2204 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2206 ahw->max_uc_count = count;
2210 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2214 struct pci_dev *pdev = adapter->pdev;
2216 adapter->rx_csum = 1;
2217 adapter->ahw->mc_enabled = 0;
2218 qlcnic_set_mac_filter_count(adapter);
2220 netdev->netdev_ops = &qlcnic_netdev_ops;
2221 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2223 qlcnic_change_mtu(netdev, netdev->mtu);
2225 if (qlcnic_sriov_vf_check(adapter))
2226 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2228 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2230 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2231 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2232 NETIF_F_HW_VLAN_CTAG_RX);
2233 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2236 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2237 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2238 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2241 if (pci_using_dac) {
2242 netdev->features |= NETIF_F_HIGHDMA;
2243 netdev->vlan_features |= NETIF_F_HIGHDMA;
2246 if (qlcnic_vlan_tx_check(adapter))
2247 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2249 if (qlcnic_sriov_vf_check(adapter))
2250 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2252 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2253 netdev->features |= NETIF_F_LRO;
2255 if (qlcnic_encap_tx_offload(adapter)) {
2256 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2258 /* encapsulation Tx offload supported by Adapter */
2259 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2260 NETIF_F_GSO_UDP_TUNNEL |
2265 if (qlcnic_encap_rx_offload(adapter))
2266 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2268 netdev->hw_features = netdev->features;
2269 netdev->priv_flags |= IFF_UNICAST_FLT;
2270 netdev->irq = adapter->msix_entries[0].vector;
2272 err = qlcnic_set_real_num_queues(adapter, netdev);
2276 err = register_netdev(netdev);
2278 dev_err(&pdev->dev, "failed to register net device\n");
2282 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2287 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2289 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2290 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2292 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2293 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2296 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2303 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2306 struct qlcnic_host_tx_ring *tx_ring;
2308 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2309 tx_ring = &adapter->tx_ring[ring];
2310 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2311 vfree(tx_ring->cmd_buf_arr);
2312 tx_ring->cmd_buf_arr = NULL;
2315 if (adapter->tx_ring != NULL)
2316 kfree(adapter->tx_ring);
2319 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2320 struct net_device *netdev)
2322 int ring, vector, index;
2323 struct qlcnic_host_tx_ring *tx_ring;
2324 struct qlcnic_cmd_buffer *cmd_buf_arr;
2326 tx_ring = kcalloc(adapter->drv_tx_rings,
2327 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2328 if (tx_ring == NULL)
2331 adapter->tx_ring = tx_ring;
2333 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2334 tx_ring = &adapter->tx_ring[ring];
2335 tx_ring->num_desc = adapter->num_txd;
2336 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2337 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2338 if (cmd_buf_arr == NULL) {
2339 qlcnic_free_tx_rings(adapter);
2342 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2343 tx_ring->cmd_buf_arr = cmd_buf_arr;
2344 spin_lock_init(&tx_ring->tx_clean_lock);
2347 if (qlcnic_83xx_check(adapter) ||
2348 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2349 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2350 tx_ring = &adapter->tx_ring[ring];
2351 tx_ring->adapter = adapter;
2352 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2353 index = adapter->drv_sds_rings + ring;
2354 vector = adapter->msix_entries[index].vector;
2355 tx_ring->irq = vector;
2363 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2365 struct qlcnic_hardware_context *ahw = adapter->ahw;
2368 if (qlcnic_82xx_check(adapter))
2369 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2370 else if (qlcnic_83xx_check(adapter))
2371 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2373 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2374 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2377 /* Reset firmware API lock */
2378 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2380 qlcnic_api_lock(adapter);
2381 qlcnic_api_unlock(adapter);
2386 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2388 struct net_device *netdev = NULL;
2389 struct qlcnic_adapter *adapter = NULL;
2390 struct qlcnic_hardware_context *ahw;
2391 int err, pci_using_dac = -1;
2392 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2394 if (pdev->is_virtfn)
2397 err = pci_enable_device(pdev);
2401 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2403 goto err_out_disable_pdev;
2406 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2408 goto err_out_disable_pdev;
2410 err = pci_request_regions(pdev, qlcnic_driver_name);
2412 goto err_out_disable_pdev;
2414 pci_set_master(pdev);
2415 pci_enable_pcie_error_reporting(pdev);
2417 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2420 goto err_out_free_res;
2423 switch (ent->device) {
2424 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2425 ahw->hw_ops = &qlcnic_hw_ops;
2426 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2428 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2429 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2430 qlcnic_83xx_register_map(ahw);
2432 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2433 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2434 qlcnic_sriov_vf_register_map(ahw);
2437 goto err_out_free_hw_res;
2440 err = qlcnic_setup_pci_map(pdev, ahw);
2442 goto err_out_free_hw_res;
2444 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2445 QLCNIC_MAX_TX_RINGS);
2448 goto err_out_iounmap;
2451 SET_NETDEV_DEV(netdev, &pdev->dev);
2453 adapter = netdev_priv(netdev);
2454 adapter->netdev = netdev;
2455 adapter->pdev = pdev;
2458 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2459 if (adapter->qlcnic_wq == NULL) {
2461 dev_err(&pdev->dev, "Failed to create workqueue\n");
2462 goto err_out_free_netdev;
2465 err = qlcnic_alloc_adapter_resources(adapter);
2467 goto err_out_free_wq;
2469 adapter->dev_rst_time = jiffies;
2470 ahw->revision_id = pdev->revision;
2471 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2472 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2473 adapter->fdb_mac_learn = true;
2474 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2475 adapter->drv_mac_learn = true;
2477 rwlock_init(&adapter->ahw->crb_lock);
2478 mutex_init(&adapter->ahw->mem_lock);
2480 INIT_LIST_HEAD(&adapter->mac_list);
2482 qlcnic_register_dcb(adapter);
2484 if (qlcnic_82xx_check(adapter)) {
2485 qlcnic_check_vf(adapter, ent);
2486 adapter->portnum = adapter->ahw->pci_func;
2487 qlcnic_reset_api_lock(adapter);
2488 err = qlcnic_start_firmware(adapter);
2490 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2491 "\t\tIf reboot doesn't help, try flashing the card\n");
2492 goto err_out_maintenance_mode;
2495 /* compute and set default and max tx/sds rings */
2496 if (adapter->ahw->msix_supported) {
2497 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2498 qlcnic_set_tx_ring_count(adapter,
2499 QLCNIC_SINGLE_RING);
2501 qlcnic_set_tx_ring_count(adapter,
2502 QLCNIC_DEF_TX_RINGS);
2503 qlcnic_set_sds_ring_count(adapter,
2504 QLCNIC_DEF_SDS_RINGS);
2506 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2507 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2510 err = qlcnic_setup_idc_param(adapter);
2512 goto err_out_free_hw;
2514 adapter->flags |= QLCNIC_NEED_FLR;
2516 } else if (qlcnic_83xx_check(adapter)) {
2517 qlcnic_83xx_check_vf(adapter, ent);
2518 adapter->portnum = adapter->ahw->pci_func;
2519 err = qlcnic_83xx_init(adapter, pci_using_dac);
2522 case -ENOTRECOVERABLE:
2523 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2524 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2525 goto err_out_free_hw;
2527 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2528 goto err_out_free_hw;
2530 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2531 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2532 goto err_out_maintenance_mode;
2536 if (qlcnic_sriov_vf_check(adapter))
2540 "%s: failed. Please Reboot\n", __func__);
2541 goto err_out_free_hw;
2544 if (qlcnic_read_mac_addr(adapter))
2545 dev_warn(&pdev->dev, "failed to read mac addr\n");
2547 qlcnic_read_phys_port_id(adapter);
2549 if (adapter->portnum == 0) {
2550 qlcnic_get_board_name(adapter, board_name);
2552 pr_info("%s: %s Board Chip rev 0x%x\n",
2553 module_name(THIS_MODULE),
2554 board_name, adapter->ahw->revision_id);
2557 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2559 dev_warn(&pdev->dev,
2560 "Device does not support MSI interrupts\n");
2562 if (qlcnic_82xx_check(adapter)) {
2563 qlcnic_dcb_enable(adapter->dcb);
2564 qlcnic_dcb_get_info(adapter->dcb);
2565 err = qlcnic_setup_intr(adapter);
2568 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2569 goto err_out_disable_msi;
2573 err = qlcnic_get_act_pci_func(adapter);
2575 goto err_out_disable_mbx_intr;
2577 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2579 goto err_out_disable_mbx_intr;
2581 if (adapter->portnum == 0)
2582 qlcnic_set_drv_version(adapter);
2584 pci_set_drvdata(pdev, adapter);
2586 if (qlcnic_82xx_check(adapter))
2587 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2590 switch (adapter->ahw->port_type) {
2592 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2593 adapter->netdev->name);
2596 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2597 adapter->netdev->name);
2601 if (adapter->drv_mac_learn)
2602 qlcnic_alloc_lb_filters_mem(adapter);
2604 qlcnic_add_sysfs(adapter);
2608 err_out_disable_mbx_intr:
2609 if (qlcnic_83xx_check(adapter))
2610 qlcnic_83xx_free_mbx_intr(adapter);
2612 err_out_disable_msi:
2613 qlcnic_teardown_intr(adapter);
2614 qlcnic_cancel_idc_work(adapter);
2615 qlcnic_clr_all_drv_state(adapter, 0);
2618 qlcnic_free_adapter_resources(adapter);
2621 destroy_workqueue(adapter->qlcnic_wq);
2623 err_out_free_netdev:
2624 free_netdev(netdev);
2627 qlcnic_cleanup_pci_map(ahw);
2629 err_out_free_hw_res:
2633 pci_release_regions(pdev);
2635 err_out_disable_pdev:
2636 pci_disable_device(pdev);
2639 err_out_maintenance_mode:
2640 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2641 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2642 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2643 ahw->port_type = QLCNIC_XGBE;
2645 if (qlcnic_83xx_check(adapter))
2646 adapter->tgt_status_reg = NULL;
2648 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2650 err = register_netdev(netdev);
2653 dev_err(&pdev->dev, "Failed to register net device\n");
2654 qlcnic_clr_all_drv_state(adapter, 0);
2655 goto err_out_free_hw;
2658 pci_set_drvdata(pdev, adapter);
2659 qlcnic_add_sysfs(adapter);
2664 static void qlcnic_remove(struct pci_dev *pdev)
2666 struct qlcnic_adapter *adapter;
2667 struct net_device *netdev;
2668 struct qlcnic_hardware_context *ahw;
2670 adapter = pci_get_drvdata(pdev);
2671 if (adapter == NULL)
2674 netdev = adapter->netdev;
2675 qlcnic_sriov_pf_disable(adapter);
2677 qlcnic_cancel_idc_work(adapter);
2680 unregister_netdev(netdev);
2681 qlcnic_sriov_cleanup(adapter);
2683 if (qlcnic_83xx_check(adapter)) {
2684 qlcnic_83xx_initialize_nic(adapter, 0);
2685 cancel_delayed_work_sync(&adapter->idc_aen_work);
2686 qlcnic_83xx_free_mbx_intr(adapter);
2687 qlcnic_83xx_detach_mailbox_work(adapter);
2688 qlcnic_83xx_free_mailbox(ahw->mailbox);
2689 kfree(ahw->fw_info);
2692 qlcnic_dcb_free(adapter->dcb);
2694 qlcnic_detach(adapter);
2696 if (adapter->npars != NULL)
2697 kfree(adapter->npars);
2698 if (adapter->eswitch != NULL)
2699 kfree(adapter->eswitch);
2701 if (qlcnic_82xx_check(adapter))
2702 qlcnic_clr_all_drv_state(adapter, 0);
2704 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2706 qlcnic_free_lb_filters_mem(adapter);
2708 qlcnic_teardown_intr(adapter);
2710 qlcnic_remove_sysfs(adapter);
2712 qlcnic_cleanup_pci_map(adapter->ahw);
2714 qlcnic_release_firmware(adapter);
2716 pci_disable_pcie_error_reporting(pdev);
2717 pci_release_regions(pdev);
2718 pci_disable_device(pdev);
2720 if (adapter->qlcnic_wq) {
2721 destroy_workqueue(adapter->qlcnic_wq);
2722 adapter->qlcnic_wq = NULL;
2725 qlcnic_free_adapter_resources(adapter);
2727 free_netdev(netdev);
2730 static void qlcnic_shutdown(struct pci_dev *pdev)
2732 if (__qlcnic_shutdown(pdev))
2735 pci_disable_device(pdev);
2739 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2743 retval = __qlcnic_shutdown(pdev);
2747 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2751 static int qlcnic_resume(struct pci_dev *pdev)
2753 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2756 err = pci_enable_device(pdev);
2760 pci_set_power_state(pdev, PCI_D0);
2761 pci_set_master(pdev);
2762 pci_restore_state(pdev);
2764 return __qlcnic_resume(adapter);
2768 static int qlcnic_open(struct net_device *netdev)
2770 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2773 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2774 netdev_err(netdev, "%s: Device is in non-operational state\n",
2780 netif_carrier_off(netdev);
2782 err = qlcnic_attach(adapter);
2786 err = __qlcnic_up(adapter, netdev);
2788 qlcnic_detach(adapter);
2794 * qlcnic_close - Disables a network interface entry point
2796 static int qlcnic_close(struct net_device *netdev)
2798 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2800 __qlcnic_down(adapter, netdev);
2805 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2809 struct net_device *netdev = adapter->netdev;
2810 u32 filter_size = 0;
2811 u16 act_pci_func = 0;
2813 if (adapter->fhash.fmax && adapter->fhash.fhead)
2816 act_pci_func = adapter->ahw->total_nic_func;
2817 spin_lock_init(&adapter->mac_learn_lock);
2818 spin_lock_init(&adapter->rx_mac_learn_lock);
2820 if (qlcnic_82xx_check(adapter)) {
2821 filter_size = QLCNIC_LB_MAX_FILTERS;
2822 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2824 filter_size = QLC_83XX_LB_MAX_FILTERS;
2825 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2828 head = kcalloc(adapter->fhash.fbucket_size,
2829 sizeof(struct hlist_head), GFP_ATOMIC);
2834 adapter->fhash.fmax = (filter_size / act_pci_func);
2835 adapter->fhash.fhead = head;
2837 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2838 act_pci_func, adapter->fhash.fmax);
2840 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2841 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2843 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2845 head = kcalloc(adapter->rx_fhash.fbucket_size,
2846 sizeof(struct hlist_head), GFP_ATOMIC);
2851 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2852 adapter->rx_fhash.fhead = head;
2854 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2855 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2858 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2860 if (adapter->fhash.fmax && adapter->fhash.fhead)
2861 kfree(adapter->fhash.fhead);
2863 adapter->fhash.fhead = NULL;
2864 adapter->fhash.fmax = 0;
2866 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2867 kfree(adapter->rx_fhash.fhead);
2869 adapter->rx_fhash.fmax = 0;
2870 adapter->rx_fhash.fhead = NULL;
2873 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2875 struct net_device *netdev = adapter->netdev;
2876 u32 temp_state, temp_val, temp = 0;
2879 if (qlcnic_83xx_check(adapter))
2880 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2882 if (qlcnic_82xx_check(adapter))
2883 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2885 temp_state = qlcnic_get_temp_state(temp);
2886 temp_val = qlcnic_get_temp_val(temp);
2888 if (temp_state == QLCNIC_TEMP_PANIC) {
2889 dev_err(&netdev->dev,
2890 "Device temperature %d degrees C exceeds"
2891 " maximum allowed. Hardware has been shut down.\n",
2894 } else if (temp_state == QLCNIC_TEMP_WARN) {
2895 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2896 dev_err(&netdev->dev,
2897 "Device temperature %d degrees C "
2898 "exceeds operating range."
2899 " Immediate action needed.\n",
2903 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2904 dev_info(&netdev->dev,
2905 "Device temperature is now %d degrees C"
2906 " in normal range.\n", temp_val);
2909 adapter->ahw->temp = temp_state;
2913 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2916 struct cmd_desc_type0 *tx_desc_info;
2918 for (i = 0; i < tx_ring->num_desc; i++) {
2919 tx_desc_info = &tx_ring->desc_head[i];
2920 pr_info("TX Desc: %d\n", i);
2921 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2922 &tx_ring->desc_head[i],
2923 sizeof(struct cmd_desc_type0), true);
2927 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2929 struct net_device *netdev = adapter->netdev;
2930 struct qlcnic_host_tx_ring *tx_ring;
2933 if (!netdev || !netif_running(netdev))
2936 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2937 tx_ring = &adapter->tx_ring[ring];
2938 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2939 ring, tx_ring->ctx_id);
2941 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2942 tx_ring->tx_stats.xmit_finished,
2943 tx_ring->tx_stats.xmit_called,
2944 tx_ring->tx_stats.xmit_on,
2945 tx_ring->tx_stats.xmit_off);
2947 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2948 readl(tx_ring->crb_intr_mask),
2949 readl(tx_ring->crb_cmd_producer),
2950 tx_ring->producer, tx_ring->sw_consumer,
2951 le32_to_cpu(*(tx_ring->hw_consumer)));
2953 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2954 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2956 if (netif_msg_tx_done(adapter->ahw))
2957 dump_tx_ring_desc(tx_ring);
2961 static void qlcnic_tx_timeout(struct net_device *netdev)
2963 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2965 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2968 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2969 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2970 if (qlcnic_82xx_check(adapter))
2971 adapter->need_fw_reset = 1;
2972 else if (qlcnic_83xx_check(adapter))
2973 qlcnic_83xx_idc_request_reset(adapter,
2974 QLCNIC_FORCE_FW_DUMP_KEY);
2976 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2977 qlcnic_dump_tx_rings(adapter);
2978 adapter->ahw->reset_context = 1;
2982 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2984 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2985 struct net_device_stats *stats = &netdev->stats;
2987 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2988 qlcnic_update_stats(adapter);
2990 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2991 stats->tx_packets = adapter->stats.xmitfinished;
2992 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2993 stats->tx_bytes = adapter->stats.txbytes;
2994 stats->rx_dropped = adapter->stats.rxdropped;
2995 stats->tx_dropped = adapter->stats.txdropped;
3000 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3004 status = readl(adapter->isr_int_vec);
3006 if (!(status & adapter->ahw->int_vec_bit))
3009 /* check interrupt state machine, to be sure */
3010 status = readl(adapter->crb_int_state_reg);
3011 if (!ISR_LEGACY_INT_TRIGGERED(status))
3014 writel(0xffffffff, adapter->tgt_status_reg);
3015 /* read twice to ensure write is flushed */
3016 readl(adapter->isr_int_vec);
3017 readl(adapter->isr_int_vec);
3022 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3024 struct qlcnic_host_sds_ring *sds_ring = data;
3025 struct qlcnic_adapter *adapter = sds_ring->adapter;
3027 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3029 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3030 writel(0xffffffff, adapter->tgt_status_reg);
3034 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3038 adapter->ahw->diag_cnt++;
3039 qlcnic_enable_sds_intr(adapter, sds_ring);
3043 static irqreturn_t qlcnic_intr(int irq, void *data)
3045 struct qlcnic_host_sds_ring *sds_ring = data;
3046 struct qlcnic_adapter *adapter = sds_ring->adapter;
3048 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3051 napi_schedule(&sds_ring->napi);
3056 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3058 struct qlcnic_host_sds_ring *sds_ring = data;
3059 struct qlcnic_adapter *adapter = sds_ring->adapter;
3061 /* clear interrupt */
3062 writel(0xffffffff, adapter->tgt_status_reg);
3064 napi_schedule(&sds_ring->napi);
3068 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3070 struct qlcnic_host_sds_ring *sds_ring = data;
3072 napi_schedule(&sds_ring->napi);
3076 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3078 struct qlcnic_host_tx_ring *tx_ring = data;
3080 napi_schedule(&tx_ring->napi);
3084 #ifdef CONFIG_NET_POLL_CONTROLLER
3085 static void qlcnic_poll_controller(struct net_device *netdev)
3087 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3088 struct qlcnic_host_sds_ring *sds_ring;
3089 struct qlcnic_recv_context *recv_ctx;
3090 struct qlcnic_host_tx_ring *tx_ring;
3093 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3096 recv_ctx = adapter->recv_ctx;
3098 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3099 sds_ring = &recv_ctx->sds_rings[ring];
3100 qlcnic_disable_sds_intr(adapter, sds_ring);
3101 napi_schedule(&sds_ring->napi);
3104 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3105 /* Only Multi-Tx queue capable devices need to
3106 * schedule NAPI for TX rings
3108 if ((qlcnic_83xx_check(adapter) &&
3109 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3110 (qlcnic_82xx_check(adapter) &&
3111 !qlcnic_check_multi_tx(adapter)))
3114 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3115 tx_ring = &adapter->tx_ring[ring];
3116 qlcnic_disable_tx_intr(adapter, tx_ring);
3117 napi_schedule(&tx_ring->napi);
3124 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3128 val = adapter->portnum & 0xf;
3129 val |= encoding << 7;
3130 val |= (jiffies - adapter->dev_rst_time) << 8;
3132 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3133 adapter->dev_rst_time = jiffies;
3137 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3141 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3142 state != QLCNIC_DEV_NEED_QUISCENT);
3144 if (qlcnic_api_lock(adapter))
3147 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3149 if (state == QLCNIC_DEV_NEED_RESET)
3150 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3151 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3152 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3154 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3156 qlcnic_api_unlock(adapter);
3162 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3166 if (qlcnic_api_lock(adapter))
3169 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3170 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3171 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3173 qlcnic_api_unlock(adapter);
3178 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3182 if (qlcnic_api_lock(adapter))
3185 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3186 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3187 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3190 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3192 dev_info(&adapter->pdev->dev,
3193 "Device state set to Failed. Please Reboot\n");
3194 } else if (!(val & 0x11111111))
3195 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3198 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3199 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3200 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3202 qlcnic_api_unlock(adapter);
3204 adapter->fw_fail_cnt = 0;
3205 adapter->flags &= ~QLCNIC_FW_HANG;
3206 clear_bit(__QLCNIC_START_FW, &adapter->state);
3207 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3210 /* Grab api lock, before checking state */
3212 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3214 int act, state, active_mask;
3215 struct qlcnic_hardware_context *ahw = adapter->ahw;
3217 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3218 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3220 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3221 active_mask = (~(1 << (ahw->pci_func * 4)));
3222 act = act & active_mask;
3225 if (((state & 0x11111111) == (act & 0x11111111)) ||
3226 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3232 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3234 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3236 if (val != QLCNIC_DRV_IDC_VER) {
3237 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3238 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3245 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3247 u32 val, prev_state;
3248 u8 dev_init_timeo = adapter->dev_init_timeo;
3249 u8 portnum = adapter->portnum;
3252 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3255 if (qlcnic_api_lock(adapter))
3258 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3259 if (!(val & (1 << (portnum * 4)))) {
3260 QLC_DEV_SET_REF_CNT(val, portnum);
3261 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3264 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3265 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3267 switch (prev_state) {
3268 case QLCNIC_DEV_COLD:
3269 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3270 QLCNIC_DEV_INITIALIZING);
3271 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3272 QLCNIC_DRV_IDC_VER);
3273 qlcnic_idc_debug_info(adapter, 0);
3274 qlcnic_api_unlock(adapter);
3277 case QLCNIC_DEV_READY:
3278 ret = qlcnic_check_idc_ver(adapter);
3279 qlcnic_api_unlock(adapter);
3282 case QLCNIC_DEV_NEED_RESET:
3283 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3284 QLC_DEV_SET_RST_RDY(val, portnum);
3285 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3288 case QLCNIC_DEV_NEED_QUISCENT:
3289 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3290 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3291 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3294 case QLCNIC_DEV_FAILED:
3295 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3296 qlcnic_api_unlock(adapter);
3299 case QLCNIC_DEV_INITIALIZING:
3300 case QLCNIC_DEV_QUISCENT:
3304 qlcnic_api_unlock(adapter);
3308 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3310 if (prev_state == QLCNIC_DEV_QUISCENT)
3312 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3314 if (!dev_init_timeo) {
3315 dev_err(&adapter->pdev->dev,
3316 "Waiting for device to initialize timeout\n");
3320 if (qlcnic_api_lock(adapter))
3323 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3324 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3325 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3327 ret = qlcnic_check_idc_ver(adapter);
3328 qlcnic_api_unlock(adapter);
3334 qlcnic_fwinit_work(struct work_struct *work)
3336 struct qlcnic_adapter *adapter = container_of(work,
3337 struct qlcnic_adapter, fw_work.work);
3338 u32 dev_state = 0xf;
3341 if (qlcnic_api_lock(adapter))
3344 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3345 if (dev_state == QLCNIC_DEV_QUISCENT ||
3346 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3347 qlcnic_api_unlock(adapter);
3348 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3353 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3354 qlcnic_api_unlock(adapter);
3358 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3359 dev_state == QLCNIC_DEV_READY) {
3360 dev_info(&adapter->pdev->dev, "Detected state change from "
3361 "DEV_NEED_RESET, skipping ack check\n");
3362 goto skip_ack_check;
3365 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3366 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3367 adapter->reset_ack_timeo);
3368 goto skip_ack_check;
3371 if (!qlcnic_check_drv_state(adapter)) {
3373 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3375 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3376 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3377 QLCNIC_DEV_INITIALIZING);
3378 set_bit(__QLCNIC_START_FW, &adapter->state);
3379 QLCDB(adapter, DRV, "Restarting fw\n");
3380 qlcnic_idc_debug_info(adapter, 0);
3381 val = QLC_SHARED_REG_RD32(adapter,
3382 QLCNIC_CRB_DRV_STATE);
3383 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3384 QLC_SHARED_REG_WR32(adapter,
3385 QLCNIC_CRB_DRV_STATE, val);
3388 qlcnic_api_unlock(adapter);
3391 if (qlcnic_check_fw_dump_state(adapter) &&
3392 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3393 QLCDB(adapter, DRV, "Take FW dump\n");
3394 qlcnic_dump_fw(adapter);
3395 adapter->flags |= QLCNIC_FW_HANG;
3399 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3400 if (!adapter->nic_ops->start_firmware(adapter)) {
3401 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3402 adapter->fw_wait_cnt = 0;
3408 qlcnic_api_unlock(adapter);
3411 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3412 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3414 switch (dev_state) {
3415 case QLCNIC_DEV_READY:
3416 if (!qlcnic_start_firmware(adapter)) {
3417 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3418 adapter->fw_wait_cnt = 0;
3421 case QLCNIC_DEV_FAILED:
3424 qlcnic_schedule_work(adapter,
3425 qlcnic_fwinit_work, FW_POLL_DELAY);
3430 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3431 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3432 netif_device_attach(adapter->netdev);
3433 qlcnic_clr_all_drv_state(adapter, 0);
3437 qlcnic_detach_work(struct work_struct *work)
3439 struct qlcnic_adapter *adapter = container_of(work,
3440 struct qlcnic_adapter, fw_work.work);
3441 struct net_device *netdev = adapter->netdev;
3444 netif_device_detach(netdev);
3446 /* Dont grab rtnl lock during Quiscent mode */
3447 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3448 if (netif_running(netdev))
3449 __qlcnic_down(adapter, netdev);
3451 qlcnic_down(adapter, netdev);
3453 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3455 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3456 dev_err(&adapter->pdev->dev,
3457 "Detaching the device: peg halt status1=0x%x\n",
3460 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3461 dev_err(&adapter->pdev->dev,
3462 "On board active cooling fan failed. "
3463 "Device has been halted.\n");
3464 dev_err(&adapter->pdev->dev,
3465 "Replace the adapter.\n");
3471 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3472 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3473 adapter->ahw->temp);
3477 /* Dont ack if this instance is the reset owner */
3478 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3479 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3480 dev_err(&adapter->pdev->dev,
3481 "Failed to set driver state,"
3482 "detaching the device.\n");
3487 adapter->fw_wait_cnt = 0;
3489 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3494 netif_device_attach(netdev);
3495 qlcnic_clr_all_drv_state(adapter, 1);
3498 /*Transit NPAR state to NON Operational */
3500 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3504 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3505 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3508 if (qlcnic_api_lock(adapter))
3510 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3511 QLCNIC_DEV_NPAR_NON_OPER);
3512 qlcnic_api_unlock(adapter);
3515 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3518 u32 state, xg_val = 0, gb_val = 0;
3520 qlcnic_xg_set_xg0_mask(xg_val);
3521 qlcnic_xg_set_xg1_mask(xg_val);
3522 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3523 qlcnic_gb_set_gb0_mask(gb_val);
3524 qlcnic_gb_set_gb1_mask(gb_val);
3525 qlcnic_gb_set_gb2_mask(gb_val);
3526 qlcnic_gb_set_gb3_mask(gb_val);
3527 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3528 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3530 adapter->need_fw_reset = 1;
3532 if (qlcnic_api_lock(adapter))
3535 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3537 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3538 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3540 qlcnic_api_unlock(adapter);
3545 if (state == QLCNIC_DEV_READY) {
3546 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3547 QLCNIC_DEV_NEED_RESET);
3548 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3549 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3550 qlcnic_idc_debug_info(adapter, 0);
3553 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3554 QLCNIC_DEV_NPAR_NON_OPER);
3555 qlcnic_api_unlock(adapter);
3558 /* Transit to NPAR READY state from NPAR NOT READY state */
3560 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3562 if (qlcnic_api_lock(adapter))
3565 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3566 QLCNIC_DEV_NPAR_OPER);
3567 QLCDB(adapter, DRV, "NPAR operational state set\n");
3569 qlcnic_api_unlock(adapter);
3572 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3573 work_func_t func, int delay)
3575 if (test_bit(__QLCNIC_AER, &adapter->state))
3578 INIT_DELAYED_WORK(&adapter->fw_work, func);
3579 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3580 round_jiffies_relative(delay));
3584 qlcnic_attach_work(struct work_struct *work)
3586 struct qlcnic_adapter *adapter = container_of(work,
3587 struct qlcnic_adapter, fw_work.work);
3588 struct net_device *netdev = adapter->netdev;
3591 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3592 npar_state = QLC_SHARED_REG_RD32(adapter,
3593 QLCNIC_CRB_DEV_NPAR_STATE);
3594 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3595 qlcnic_clr_all_drv_state(adapter, 0);
3596 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3597 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3601 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3605 qlcnic_dcb_get_info(adapter->dcb);
3607 if (netif_running(netdev)) {
3608 if (qlcnic_up(adapter, netdev))
3611 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3615 netif_device_attach(netdev);
3616 adapter->fw_fail_cnt = 0;
3617 adapter->flags &= ~QLCNIC_FW_HANG;
3618 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3619 if (adapter->portnum == 0)
3620 qlcnic_set_drv_version(adapter);
3622 if (!qlcnic_clr_drv_state(adapter))
3623 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3628 qlcnic_check_health(struct qlcnic_adapter *adapter)
3630 struct qlcnic_hardware_context *ahw = adapter->ahw;
3631 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3632 u32 state = 0, heartbeat;
3636 if (qlcnic_check_temp(adapter))
3639 if (adapter->need_fw_reset)
3640 qlcnic_dev_request_reset(adapter, 0);
3642 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3643 if (state == QLCNIC_DEV_NEED_RESET) {
3644 qlcnic_set_npar_non_operational(adapter);
3645 adapter->need_fw_reset = 1;
3646 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3649 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3650 if (heartbeat != adapter->heartbeat) {
3651 adapter->heartbeat = heartbeat;
3652 adapter->fw_fail_cnt = 0;
3653 if (adapter->need_fw_reset)
3656 if (ahw->reset_context && qlcnic_auto_fw_reset)
3657 qlcnic_reset_hw_context(adapter);
3662 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3665 adapter->flags |= QLCNIC_FW_HANG;
3667 qlcnic_dev_request_reset(adapter, 0);
3669 if (qlcnic_auto_fw_reset)
3670 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3672 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3673 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3674 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3675 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3676 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3677 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3678 "PEG_NET_4_PC: 0x%x\n",
3680 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3681 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3682 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3683 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3684 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3685 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3686 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3687 dev_err(&adapter->pdev->dev,
3688 "Firmware aborted with error code 0x00006700. "
3689 "Device is being reset.\n");
3691 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3692 QLCNIC_DEV_NEED_RESET;
3694 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3697 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3698 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3699 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3700 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3701 qlcnic_dump_fw(adapter);
3707 void qlcnic_fw_poll_work(struct work_struct *work)
3709 struct qlcnic_adapter *adapter = container_of(work,
3710 struct qlcnic_adapter, fw_work.work);
3712 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3716 if (qlcnic_check_health(adapter))
3719 if (adapter->fhash.fnum)
3720 qlcnic_prune_lb_filters(adapter);
3723 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3726 static int qlcnic_is_first_func(struct pci_dev *pdev)
3728 struct pci_dev *oth_pdev;
3729 int val = pdev->devfn;
3732 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3733 (pdev->bus), pdev->bus->number,
3734 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3738 if (oth_pdev->current_state != PCI_D3cold) {
3739 pci_dev_put(oth_pdev);
3742 pci_dev_put(oth_pdev);
3747 static int qlcnic_attach_func(struct pci_dev *pdev)
3749 int err, first_func;
3750 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3751 struct net_device *netdev = adapter->netdev;
3753 pdev->error_state = pci_channel_io_normal;
3755 err = pci_enable_device(pdev);
3759 pci_set_master(pdev);
3760 pci_restore_state(pdev);
3762 first_func = qlcnic_is_first_func(pdev);
3764 if (qlcnic_api_lock(adapter))
3767 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3768 adapter->need_fw_reset = 1;
3769 set_bit(__QLCNIC_START_FW, &adapter->state);
3770 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3771 QLCNIC_DEV_INITIALIZING);
3772 QLCDB(adapter, DRV, "Restarting fw\n");
3774 qlcnic_api_unlock(adapter);
3776 err = qlcnic_start_firmware(adapter);
3780 qlcnic_clr_drv_state(adapter);
3781 kfree(adapter->msix_entries);
3782 adapter->msix_entries = NULL;
3783 err = qlcnic_setup_intr(adapter);
3786 kfree(adapter->msix_entries);
3787 netdev_err(netdev, "failed to setup interrupt\n");
3791 if (netif_running(netdev)) {
3792 err = qlcnic_attach(adapter);
3794 qlcnic_clr_all_drv_state(adapter, 1);
3795 clear_bit(__QLCNIC_AER, &adapter->state);
3796 netif_device_attach(netdev);
3800 err = qlcnic_up(adapter, netdev);
3804 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3807 netif_device_attach(netdev);
3811 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3812 pci_channel_state_t state)
3814 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3815 struct net_device *netdev = adapter->netdev;
3817 if (state == pci_channel_io_perm_failure)
3818 return PCI_ERS_RESULT_DISCONNECT;
3820 if (state == pci_channel_io_normal)
3821 return PCI_ERS_RESULT_RECOVERED;
3823 set_bit(__QLCNIC_AER, &adapter->state);
3824 netif_device_detach(netdev);
3826 cancel_delayed_work_sync(&adapter->fw_work);
3828 if (netif_running(netdev))
3829 qlcnic_down(adapter, netdev);
3831 qlcnic_detach(adapter);
3832 qlcnic_teardown_intr(adapter);
3834 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3836 pci_save_state(pdev);
3837 pci_disable_device(pdev);
3839 return PCI_ERS_RESULT_NEED_RESET;
3842 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3844 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3845 PCI_ERS_RESULT_RECOVERED;
3848 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3851 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3853 pci_cleanup_aer_uncorrect_error_status(pdev);
3854 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3855 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3857 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3861 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3862 pci_channel_state_t state)
3864 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3865 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3867 if (hw_ops->io_error_detected) {
3868 return hw_ops->io_error_detected(pdev, state);
3870 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3871 return PCI_ERS_RESULT_DISCONNECT;
3875 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3877 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3878 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3880 if (hw_ops->io_slot_reset) {
3881 return hw_ops->io_slot_reset(pdev);
3883 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3884 return PCI_ERS_RESULT_DISCONNECT;
3888 static void qlcnic_io_resume(struct pci_dev *pdev)
3890 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3891 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3893 if (hw_ops->io_resume)
3894 hw_ops->io_resume(pdev);
3896 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3901 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3905 err = qlcnic_can_start_firmware(adapter);
3909 err = qlcnic_check_npar_opertional(adapter);
3913 err = qlcnic_initialize_nic(adapter);
3917 qlcnic_check_options(adapter);
3919 err = qlcnic_set_eswitch_port_config(adapter);
3923 adapter->need_fw_reset = 0;
3928 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3931 struct net_device *netdev = adapter->netdev;
3932 u8 max_hw_rings = 0;
3936 if (queue_type == QLCNIC_RX_QUEUE) {
3937 max_hw_rings = adapter->max_sds_rings;
3938 cur_rings = adapter->drv_sds_rings;
3940 } else if (queue_type == QLCNIC_TX_QUEUE) {
3941 max_hw_rings = adapter->max_tx_rings;
3942 cur_rings = adapter->drv_tx_rings;
3946 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
3947 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
3951 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3952 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
3956 if (!is_power_of_2(ring_cnt)) {
3957 netdev_err(netdev, "%s rings value should be a power of 2\n",
3962 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3963 !qlcnic_check_multi_tx(adapter)) {
3964 netdev_err(netdev, "No Multi Tx queue support\n");
3968 if (ring_cnt > num_online_cpus()) {
3970 "%s value[%u] should not be higher than, number of online CPUs\n",
3971 buf, num_online_cpus());
3978 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
3980 struct net_device *netdev = adapter->netdev;
3983 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3986 netif_device_detach(netdev);
3987 if (netif_running(netdev))
3988 __qlcnic_down(adapter, netdev);
3990 qlcnic_detach(adapter);
3992 if (qlcnic_83xx_check(adapter)) {
3993 qlcnic_83xx_free_mbx_intr(adapter);
3994 qlcnic_83xx_enable_mbx_poll(adapter);
3997 qlcnic_teardown_intr(adapter);
3999 err = qlcnic_setup_intr(adapter);
4001 kfree(adapter->msix_entries);
4002 netdev_err(netdev, "failed to setup interrupt\n");
4006 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
4008 if (qlcnic_83xx_check(adapter)) {
4009 qlcnic_83xx_initialize_nic(adapter, 1);
4010 err = qlcnic_83xx_setup_mbx_intr(adapter);
4011 qlcnic_83xx_disable_mbx_poll(adapter);
4013 dev_err(&adapter->pdev->dev,
4014 "failed to setup mbx interrupt\n");
4019 if (netif_running(netdev)) {
4020 err = qlcnic_attach(adapter);
4023 err = __qlcnic_up(adapter, netdev);
4026 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4029 netif_device_attach(netdev);
4030 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4036 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4039 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4040 struct net_device *dev, unsigned long event)
4042 struct in_device *indev;
4044 indev = in_dev_get(dev);
4051 qlcnic_config_ipaddr(adapter,
4052 ifa->ifa_address, QLCNIC_IP_UP);
4055 qlcnic_config_ipaddr(adapter,
4056 ifa->ifa_address, QLCNIC_IP_DOWN);
4061 } endfor_ifa(indev);
4066 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4068 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4069 struct net_device *dev;
4072 qlcnic_config_indev_addr(adapter, netdev, event);
4075 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4076 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
4079 qlcnic_config_indev_addr(adapter, dev, event);
4084 static int qlcnic_netdev_event(struct notifier_block *this,
4085 unsigned long event, void *ptr)
4087 struct qlcnic_adapter *adapter;
4088 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4094 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4095 dev = vlan_dev_real_dev(dev);
4099 if (!is_qlcnic_netdev(dev))
4102 adapter = netdev_priv(dev);
4107 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4110 qlcnic_config_indev_addr(adapter, dev, event);
4116 qlcnic_inetaddr_event(struct notifier_block *this,
4117 unsigned long event, void *ptr)
4119 struct qlcnic_adapter *adapter;
4120 struct net_device *dev;
4122 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4124 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4130 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4131 dev = vlan_dev_real_dev(dev);
4135 if (!is_qlcnic_netdev(dev))
4138 adapter = netdev_priv(dev);
4143 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4148 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4152 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4163 static struct notifier_block qlcnic_netdev_cb = {
4164 .notifier_call = qlcnic_netdev_event,
4167 static struct notifier_block qlcnic_inetaddr_cb = {
4168 .notifier_call = qlcnic_inetaddr_event,
4171 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4174 static const struct pci_error_handlers qlcnic_err_handler = {
4175 .error_detected = qlcnic_io_error_detected,
4176 .slot_reset = qlcnic_io_slot_reset,
4177 .resume = qlcnic_io_resume,
4180 static struct pci_driver qlcnic_driver = {
4181 .name = qlcnic_driver_name,
4182 .id_table = qlcnic_pci_tbl,
4183 .probe = qlcnic_probe,
4184 .remove = qlcnic_remove,
4186 .suspend = qlcnic_suspend,
4187 .resume = qlcnic_resume,
4189 .shutdown = qlcnic_shutdown,
4190 .err_handler = &qlcnic_err_handler,
4191 #ifdef CONFIG_QLCNIC_SRIOV
4192 .sriov_configure = qlcnic_pci_sriov_configure,
4197 static int __init qlcnic_init_module(void)
4201 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4204 register_netdevice_notifier(&qlcnic_netdev_cb);
4205 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4208 ret = pci_register_driver(&qlcnic_driver);
4211 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4212 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4219 module_init(qlcnic_init_module);
4221 static void __exit qlcnic_exit_module(void)
4223 pci_unregister_driver(&qlcnic_driver);
4226 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4227 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4231 module_exit(qlcnic_exit_module);