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)
690 for (vector = 0; vector < num_msix; vector++)
691 adapter->msix_entries[vector].entry = vector;
693 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
695 adapter->ahw->num_msix = num_msix;
696 if (adapter->drv_tss_rings > 0)
697 adapter->drv_tx_rings = adapter->drv_tss_rings;
699 if (adapter->drv_rss_rings > 0)
700 adapter->drv_sds_rings = adapter->drv_rss_rings;
702 netdev_info(adapter->netdev,
703 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
706 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
708 /* Set rings to 0 so we can restore original TSS/RSS count */
709 adapter->drv_tss_rings = 0;
710 adapter->drv_rss_rings = 0;
712 if (qlcnic_83xx_check(adapter))
715 netdev_info(adapter->netdev,
716 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
717 adapter->drv_tx_rings, adapter->drv_sds_rings,
727 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
729 struct pci_dev *pdev = adapter->pdev;
732 if (!adapter->msix_entries) {
733 adapter->msix_entries = kcalloc(num_msix,
734 sizeof(struct msix_entry),
736 if (!adapter->msix_entries)
740 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
742 if (adapter->ahw->msix_supported) {
744 for (vector = 0; vector < num_msix; vector++)
745 adapter->msix_entries[vector].entry = vector;
747 err = pci_enable_msix_range(pdev,
748 adapter->msix_entries, 1, num_msix);
750 if (err == num_msix) {
751 adapter->flags |= QLCNIC_MSIX_ENABLED;
752 adapter->ahw->num_msix = num_msix;
753 dev_info(&pdev->dev, "using msi-x interrupts\n");
755 } else if (err > 0) {
756 pci_disable_msix(pdev);
759 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
762 if (qlcnic_82xx_check(adapter)) {
763 num_msix = rounddown_pow_of_two(err);
764 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
767 num_msix = rounddown_pow_of_two(err - 1);
769 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
773 if (qlcnic_82xx_check(adapter) &&
774 !qlcnic_check_multi_tx(adapter)) {
775 adapter->drv_sds_rings = num_msix;
776 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
778 /* Distribute vectors equally */
779 adapter->drv_tx_rings = num_msix / 2;
780 adapter->drv_sds_rings = adapter->drv_tx_rings;
785 "Trying to allocate %d MSI-X interrupt vectors\n",
791 "Unable to allocate %d MSI-X vectors, err=%d\n",
800 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
804 num_msix = adapter->drv_sds_rings;
806 if (qlcnic_check_multi_tx(adapter))
807 num_msix += adapter->drv_tx_rings;
809 num_msix += QLCNIC_SINGLE_RING;
814 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
817 u32 offset, mask_reg;
818 const struct qlcnic_legacy_intr_set *legacy_intrp;
819 struct qlcnic_hardware_context *ahw = adapter->ahw;
820 struct pci_dev *pdev = adapter->pdev;
822 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
823 adapter->flags |= QLCNIC_MSI_ENABLED;
824 offset = msi_tgt_status[adapter->ahw->pci_func];
825 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
827 dev_info(&pdev->dev, "using msi interrupts\n");
828 adapter->msix_entries[0].vector = pdev->irq;
832 if (qlcnic_use_msi || qlcnic_use_msi_x)
835 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
836 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
837 offset = legacy_intrp->tgt_status_reg;
838 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
839 mask_reg = legacy_intrp->tgt_mask_reg;
840 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
841 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
842 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
843 dev_info(&pdev->dev, "using legacy interrupts\n");
844 adapter->msix_entries[0].vector = pdev->irq;
848 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
850 int num_msix, err = 0;
852 if (adapter->flags & QLCNIC_TSS_RSS) {
853 err = qlcnic_setup_tss_rss_intr(adapter);
856 num_msix = adapter->ahw->num_msix;
858 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
860 err = qlcnic_enable_msix(adapter, num_msix);
864 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
865 qlcnic_disable_multi_tx(adapter);
866 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
868 err = qlcnic_enable_msi_legacy(adapter);
877 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
879 struct qlcnic_hardware_context *ahw = adapter->ahw;
882 if (qlcnic_check_multi_tx(adapter) &&
884 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
885 ahw->intr_tbl = vzalloc(ahw->num_msix *
886 sizeof(struct qlcnic_intrpt_config));
890 for (i = 0; i < ahw->num_msix; i++) {
891 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
892 ahw->intr_tbl[i].id = i;
893 ahw->intr_tbl[i].src = 0;
896 err = qlcnic_82xx_config_intrpt(adapter, 1);
898 dev_err(&adapter->pdev->dev,
899 "Failed to configure Interrupt for %d vector\n",
907 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
909 if (adapter->flags & QLCNIC_MSIX_ENABLED)
910 pci_disable_msix(adapter->pdev);
911 if (adapter->flags & QLCNIC_MSI_ENABLED)
912 pci_disable_msi(adapter->pdev);
914 kfree(adapter->msix_entries);
915 adapter->msix_entries = NULL;
917 if (adapter->ahw->intr_tbl) {
918 vfree(adapter->ahw->intr_tbl);
919 adapter->ahw->intr_tbl = NULL;
923 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
925 if (ahw->pci_base0 != NULL)
926 iounmap(ahw->pci_base0);
929 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
931 struct qlcnic_hardware_context *ahw = adapter->ahw;
932 struct qlcnic_pci_info *pci_info;
935 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
936 switch (ahw->port_type) {
938 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
941 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
947 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
950 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
954 ret = qlcnic_get_pci_info(adapter, pci_info);
959 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
963 if (qlcnic_84xx_check(adapter)) {
965 } else if (qlcnic_83xx_check(adapter)) {
966 if (adapter->ahw->extra_capability[0] &
967 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
976 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
978 struct qlcnic_hardware_context *ahw = adapter->ahw;
979 struct qlcnic_pci_info *pci_info;
980 int i, id = 0, ret = 0, j = 0;
984 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
988 ret = qlcnic_get_pci_info(adapter, pci_info);
992 act_pci_func = ahw->total_nic_func;
994 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
995 act_pci_func, GFP_KERNEL);
996 if (!adapter->npars) {
1001 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1002 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1003 if (!adapter->eswitch) {
1008 for (i = 0; i < ahw->max_vnic_func; i++) {
1009 pfn = pci_info[i].id;
1011 if (pfn >= ahw->max_vnic_func) {
1012 ret = QL_STATUS_INVALID_PARAM;
1016 if (!pci_info[i].active ||
1017 (pci_info[i].type != QLCNIC_TYPE_NIC))
1020 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1021 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1023 adapter->npars[j].eswitch_status = true;
1027 adapter->npars[j].eswitch_status = true;
1030 adapter->npars[j].pci_func = pfn;
1031 adapter->npars[j].active = (u8)pci_info[i].active;
1032 adapter->npars[j].type = (u8)pci_info[i].type;
1033 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1034 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1035 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1037 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1041 /* Update eSwitch status for adapters without per port eSwitch
1042 * configuration capability
1044 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1045 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1046 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1053 kfree(adapter->eswitch);
1054 adapter->eswitch = NULL;
1056 kfree(adapter->npars);
1057 adapter->npars = NULL;
1065 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1069 u32 data = QLCNIC_MGMT_FUNC;
1070 struct qlcnic_hardware_context *ahw = adapter->ahw;
1072 ret = qlcnic_api_lock(adapter);
1077 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1078 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1079 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1080 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1081 qlcnic_api_unlock(adapter);
1086 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1087 const struct pci_device_id *ent)
1089 u32 op_mode, priv_level;
1091 /* Determine FW API version */
1092 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1095 /* Find PCI function number */
1096 qlcnic_get_func_no(adapter);
1098 /* Determine function privilege level */
1099 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1100 if (op_mode == QLC_DEV_DRV_DEFAULT)
1101 priv_level = QLCNIC_MGMT_FUNC;
1103 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1105 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1106 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1107 dev_info(&adapter->pdev->dev,
1108 "HAL Version: %d Non Privileged function\n",
1109 adapter->ahw->fw_hal_version);
1110 adapter->nic_ops = &qlcnic_vf_ops;
1112 adapter->nic_ops = &qlcnic_ops;
1115 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1116 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1117 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1120 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1121 *bar = QLCNIC_82XX_BAR0_LENGTH;
1123 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1124 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1125 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1126 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1127 *bar = QLCNIC_83XX_BAR0_LENGTH;
1134 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1135 struct qlcnic_hardware_context *ahw)
1138 void __iomem *mem_ptr0 = NULL;
1139 unsigned long mem_len, pci_len0 = 0, bar0_len;
1141 /* remap phys address */
1142 mem_len = pci_resource_len(pdev, 0);
1144 qlcnic_get_bar_length(pdev->device, &bar0_len);
1145 if (mem_len >= bar0_len) {
1147 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1148 if (mem_ptr0 == NULL) {
1149 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1157 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1159 ahw->pci_base0 = mem_ptr0;
1160 ahw->pci_len0 = pci_len0;
1161 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1162 qlcnic_get_ioaddr(ahw, offset);
1167 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1170 struct pci_dev *pdev = adapter->pdev;
1171 unsigned short subsystem_vendor;
1174 subsystem_vendor = pdev->subsystem_vendor;
1176 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1177 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1178 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1179 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1188 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1190 struct pci_dev *pdev = adapter->pdev;
1193 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1194 if (qlcnic_boards[i].vendor == pdev->vendor &&
1195 qlcnic_boards[i].device == pdev->device &&
1196 qlcnic_validate_subsystem_id(adapter, i)) {
1203 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1205 sprintf(name, "%pM: %s" , adapter->mac_addr,
1206 qlcnic_boards[i].short_name);
1210 qlcnic_check_options(struct qlcnic_adapter *adapter)
1213 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1214 struct pci_dev *pdev = adapter->pdev;
1215 struct qlcnic_hardware_context *ahw = adapter->ahw;
1216 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1218 prev_fw_version = adapter->fw_version;
1220 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1221 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1222 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1224 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1226 err = qlcnic_get_board_info(adapter);
1228 dev_err(&pdev->dev, "Error getting board config info.\n");
1231 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1232 if (fw_dump->tmpl_hdr == NULL ||
1233 adapter->fw_version > prev_fw_version) {
1234 if (fw_dump->tmpl_hdr)
1235 vfree(fw_dump->tmpl_hdr);
1236 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1237 dev_info(&pdev->dev,
1238 "Supports FW dump capability\n");
1242 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1243 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1245 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1246 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1247 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1248 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1250 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1251 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1254 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1255 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1257 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1258 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1259 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1260 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1261 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1264 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1266 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1268 adapter->max_rds_rings = MAX_RDS_RINGS;
1272 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1274 struct qlcnic_info nic_info;
1277 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1278 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1282 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1283 adapter->ahw->switch_mode = nic_info.switch_mode;
1284 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1285 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1286 adapter->ahw->capabilities = nic_info.capabilities;
1288 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1290 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1293 adapter->ahw->extra_capability[0] = temp;
1295 adapter->ahw->extra_capability[0] = 0;
1298 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1299 adapter->ahw->max_mtu = nic_info.max_mtu;
1301 if (adapter->ahw->capabilities & BIT_6) {
1302 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1303 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1304 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1305 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1307 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1309 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1310 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1311 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1312 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1318 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1319 struct qlcnic_esw_func_cfg *esw_cfg)
1321 if (esw_cfg->discard_tagged)
1322 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1324 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1326 if (esw_cfg->vlan_id) {
1327 adapter->rx_pvid = esw_cfg->vlan_id;
1328 adapter->tx_pvid = esw_cfg->vlan_id;
1330 adapter->rx_pvid = 0;
1331 adapter->tx_pvid = 0;
1336 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1338 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1341 if (qlcnic_sriov_vf_check(adapter)) {
1342 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1345 "Cannot add VLAN filter for VLAN id %d, err=%d",
1351 set_bit(vid, adapter->vlans);
1356 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1358 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1361 if (qlcnic_sriov_vf_check(adapter)) {
1362 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1365 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1371 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1372 clear_bit(vid, adapter->vlans);
1376 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1377 struct qlcnic_esw_func_cfg *esw_cfg)
1379 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1380 QLCNIC_PROMISC_DISABLED);
1382 if (esw_cfg->mac_anti_spoof)
1383 adapter->flags |= QLCNIC_MACSPOOF;
1385 if (!esw_cfg->mac_override)
1386 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1388 if (!esw_cfg->promisc_mode)
1389 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1392 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1394 struct qlcnic_esw_func_cfg esw_cfg;
1396 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1399 esw_cfg.pci_func = adapter->ahw->pci_func;
1400 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1402 qlcnic_set_vlan_config(adapter, &esw_cfg);
1403 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1404 qlcnic_set_netdev_features(adapter, &esw_cfg);
1409 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1410 struct qlcnic_esw_func_cfg *esw_cfg)
1412 struct net_device *netdev = adapter->netdev;
1414 if (qlcnic_83xx_check(adapter))
1417 adapter->offload_flags = esw_cfg->offload_flags;
1418 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1419 netdev_update_features(netdev);
1420 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1424 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1426 u32 op_mode, priv_level;
1429 err = qlcnic_initialize_nic(adapter);
1433 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1436 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1437 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1439 if (op_mode == QLC_DEV_DRV_DEFAULT)
1440 priv_level = QLCNIC_MGMT_FUNC;
1442 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1444 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1445 if (priv_level == QLCNIC_MGMT_FUNC) {
1446 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1447 err = qlcnic_init_pci_info(adapter);
1450 /* Set privilege level for other functions */
1451 qlcnic_set_function_modes(adapter);
1452 dev_info(&adapter->pdev->dev,
1453 "HAL Version: %d, Management function\n",
1454 adapter->ahw->fw_hal_version);
1455 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1456 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1457 dev_info(&adapter->pdev->dev,
1458 "HAL Version: %d, Privileged function\n",
1459 adapter->ahw->fw_hal_version);
1462 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1465 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1470 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1472 struct qlcnic_esw_func_cfg esw_cfg;
1473 struct qlcnic_npar_info *npar;
1476 if (adapter->need_fw_reset)
1479 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1480 if (!adapter->npars[i].eswitch_status)
1483 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1484 esw_cfg.pci_func = adapter->npars[i].pci_func;
1485 esw_cfg.mac_override = BIT_0;
1486 esw_cfg.promisc_mode = BIT_0;
1487 if (qlcnic_82xx_check(adapter)) {
1488 esw_cfg.offload_flags = BIT_0;
1489 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1490 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1492 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1494 npar = &adapter->npars[i];
1495 npar->pvid = esw_cfg.vlan_id;
1496 npar->mac_override = esw_cfg.mac_override;
1497 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1498 npar->discard_tagged = esw_cfg.discard_tagged;
1499 npar->promisc_mode = esw_cfg.promisc_mode;
1500 npar->offload_flags = esw_cfg.offload_flags;
1508 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1509 struct qlcnic_npar_info *npar, int pci_func)
1511 struct qlcnic_esw_func_cfg esw_cfg;
1512 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1513 esw_cfg.pci_func = pci_func;
1514 esw_cfg.vlan_id = npar->pvid;
1515 esw_cfg.mac_override = npar->mac_override;
1516 esw_cfg.discard_tagged = npar->discard_tagged;
1517 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1518 esw_cfg.offload_flags = npar->offload_flags;
1519 esw_cfg.promisc_mode = npar->promisc_mode;
1520 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1523 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1524 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1530 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1533 struct qlcnic_npar_info *npar;
1534 struct qlcnic_info nic_info;
1537 if (qlcnic_82xx_check(adapter))
1538 if (!adapter->need_fw_reset)
1541 /* Set the NPAR config data after FW reset */
1542 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1543 npar = &adapter->npars[i];
1544 pci_func = npar->pci_func;
1545 if (!adapter->npars[i].eswitch_status)
1548 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1549 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1552 nic_info.min_tx_bw = npar->min_bw;
1553 nic_info.max_tx_bw = npar->max_bw;
1554 err = qlcnic_set_nic_info(adapter, &nic_info);
1558 if (npar->enable_pm) {
1559 err = qlcnic_config_port_mirroring(adapter,
1565 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1572 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1574 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1577 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1580 npar_state = QLC_SHARED_REG_RD32(adapter,
1581 QLCNIC_CRB_DEV_NPAR_STATE);
1582 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1584 npar_state = QLC_SHARED_REG_RD32(adapter,
1585 QLCNIC_CRB_DEV_NPAR_STATE);
1587 if (!npar_opt_timeo) {
1588 dev_err(&adapter->pdev->dev,
1589 "Waiting for NPAR state to operational timeout\n");
1596 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1600 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1601 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1604 err = qlcnic_set_default_offload_settings(adapter);
1608 err = qlcnic_reset_npar_config(adapter);
1612 qlcnic_dev_set_npar_ready(adapter);
1617 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1621 err = qlcnic_can_start_firmware(adapter);
1625 goto check_fw_status;
1627 if (qlcnic_load_fw_file)
1628 qlcnic_request_firmware(adapter);
1630 err = qlcnic_check_flash_fw_ver(adapter);
1634 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1637 err = qlcnic_need_fw_reset(adapter);
1639 goto check_fw_status;
1641 err = qlcnic_pinit_from_rom(adapter);
1645 err = qlcnic_load_firmware(adapter);
1649 qlcnic_release_firmware(adapter);
1650 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1653 err = qlcnic_check_fw_status(adapter);
1657 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1658 qlcnic_idc_debug_info(adapter, 1);
1659 err = qlcnic_check_eswitch_mode(adapter);
1661 dev_err(&adapter->pdev->dev,
1662 "Memory allocation failed for eswitch\n");
1665 err = qlcnic_set_mgmt_operations(adapter);
1669 qlcnic_check_options(adapter);
1670 adapter->need_fw_reset = 0;
1672 qlcnic_release_firmware(adapter);
1676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1677 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1679 qlcnic_release_firmware(adapter);
1684 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1686 irq_handler_t handler;
1687 struct qlcnic_host_sds_ring *sds_ring;
1688 struct qlcnic_host_tx_ring *tx_ring;
1689 int err, ring, num_sds_rings;
1691 unsigned long flags = 0;
1692 struct net_device *netdev = adapter->netdev;
1693 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1695 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1696 if (qlcnic_82xx_check(adapter))
1697 handler = qlcnic_tmp_intr;
1699 handler = qlcnic_83xx_tmp_intr;
1700 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1701 flags |= IRQF_SHARED;
1704 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1705 handler = qlcnic_msix_intr;
1706 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1707 handler = qlcnic_msi_intr;
1709 flags |= IRQF_SHARED;
1710 if (qlcnic_82xx_check(adapter))
1711 handler = qlcnic_intr;
1713 handler = qlcnic_83xx_intr;
1716 adapter->irq = netdev->irq;
1718 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1719 if (qlcnic_82xx_check(adapter) ||
1720 (qlcnic_83xx_check(adapter) &&
1721 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1722 num_sds_rings = adapter->drv_sds_rings;
1723 for (ring = 0; ring < num_sds_rings; ring++) {
1724 sds_ring = &recv_ctx->sds_rings[ring];
1725 if (qlcnic_82xx_check(adapter) &&
1726 !qlcnic_check_multi_tx(adapter) &&
1727 (ring == (num_sds_rings - 1))) {
1728 if (!(adapter->flags &
1729 QLCNIC_MSIX_ENABLED))
1730 snprintf(sds_ring->name,
1731 sizeof(sds_ring->name),
1734 snprintf(sds_ring->name,
1735 sizeof(sds_ring->name),
1737 netdev->name, ring);
1739 snprintf(sds_ring->name,
1740 sizeof(sds_ring->name),
1742 netdev->name, ring);
1744 err = request_irq(sds_ring->irq, handler, flags,
1745 sds_ring->name, sds_ring);
1750 if ((qlcnic_82xx_check(adapter) &&
1751 qlcnic_check_multi_tx(adapter)) ||
1752 (qlcnic_83xx_check(adapter) &&
1753 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1754 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1755 handler = qlcnic_msix_tx_intr;
1756 for (ring = 0; ring < adapter->drv_tx_rings;
1758 tx_ring = &adapter->tx_ring[ring];
1759 snprintf(tx_ring->name, sizeof(tx_ring->name),
1760 "%s-tx-%d", netdev->name, ring);
1761 err = request_irq(tx_ring->irq, handler, flags,
1762 tx_ring->name, tx_ring);
1772 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1775 struct qlcnic_host_sds_ring *sds_ring;
1776 struct qlcnic_host_tx_ring *tx_ring;
1778 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1780 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1781 if (qlcnic_82xx_check(adapter) ||
1782 (qlcnic_83xx_check(adapter) &&
1783 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1784 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1785 sds_ring = &recv_ctx->sds_rings[ring];
1786 free_irq(sds_ring->irq, sds_ring);
1789 if ((qlcnic_83xx_check(adapter) &&
1790 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1791 (qlcnic_82xx_check(adapter) &&
1792 qlcnic_check_multi_tx(adapter))) {
1793 for (ring = 0; ring < adapter->drv_tx_rings;
1795 tx_ring = &adapter->tx_ring[ring];
1797 free_irq(tx_ring->irq, tx_ring);
1803 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1807 if (qlcnic_82xx_check(adapter)) {
1808 if (adapter->ahw->extra_capability[0] &
1809 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1810 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1812 capab = adapter->ahw->capabilities;
1813 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1814 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1818 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1820 struct qlcnic_hardware_context *ahw = adapter->ahw;
1823 /* Initialize interrupt coalesce parameters */
1824 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1826 if (qlcnic_83xx_check(adapter)) {
1827 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1828 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1829 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1830 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1831 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1833 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1835 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1836 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1837 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1839 err = qlcnic_82xx_set_rx_coalesce(adapter);
1845 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1848 struct qlcnic_host_rds_ring *rds_ring;
1850 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1853 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1856 if (qlcnic_set_eswitch_port_config(adapter))
1859 qlcnic_get_lro_mss_capability(adapter);
1861 if (qlcnic_fw_create_ctx(adapter))
1864 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1865 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1866 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1869 qlcnic_set_multi(netdev);
1870 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1872 adapter->ahw->linkup = 0;
1874 if (adapter->drv_sds_rings > 1)
1875 qlcnic_config_rss(adapter, 1);
1877 qlcnic_config_def_intr_coalesce(adapter);
1879 if (netdev->features & NETIF_F_LRO)
1880 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1882 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1883 qlcnic_napi_enable(adapter);
1885 qlcnic_linkevent_request(adapter, 1);
1887 adapter->ahw->reset_context = 0;
1888 netif_tx_start_all_queues(netdev);
1892 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1897 if (netif_running(netdev))
1898 err = __qlcnic_up(adapter, netdev);
1904 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1908 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1911 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1914 if (qlcnic_sriov_vf_check(adapter))
1915 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1917 netif_carrier_off(netdev);
1918 adapter->ahw->linkup = 0;
1919 netif_tx_disable(netdev);
1921 qlcnic_free_mac_list(adapter);
1923 if (adapter->fhash.fnum)
1924 qlcnic_delete_lb_filters(adapter);
1926 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1928 qlcnic_napi_disable(adapter);
1930 qlcnic_fw_destroy_ctx(adapter);
1931 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1933 qlcnic_reset_rx_buffers_list(adapter);
1935 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1936 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1939 /* Usage: During suspend and firmware recovery module */
1941 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1944 if (netif_running(netdev))
1945 __qlcnic_down(adapter, netdev);
1951 qlcnic_attach(struct qlcnic_adapter *adapter)
1953 struct net_device *netdev = adapter->netdev;
1954 struct pci_dev *pdev = adapter->pdev;
1957 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1960 err = qlcnic_napi_add(adapter, netdev);
1964 err = qlcnic_alloc_sw_resources(adapter);
1966 dev_err(&pdev->dev, "Error in setting sw resources\n");
1967 goto err_out_napi_del;
1970 err = qlcnic_alloc_hw_resources(adapter);
1972 dev_err(&pdev->dev, "Error in setting hw resources\n");
1973 goto err_out_free_sw;
1976 err = qlcnic_request_irq(adapter);
1978 dev_err(&pdev->dev, "failed to setup interrupt\n");
1979 goto err_out_free_hw;
1982 qlcnic_create_sysfs_entries(adapter);
1984 #ifdef CONFIG_QLCNIC_VXLAN
1985 if (qlcnic_encap_rx_offload(adapter))
1986 vxlan_get_rx_port(netdev);
1989 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1993 qlcnic_free_hw_resources(adapter);
1995 qlcnic_free_sw_resources(adapter);
1997 qlcnic_napi_del(adapter);
2001 void qlcnic_detach(struct qlcnic_adapter *adapter)
2003 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2006 qlcnic_remove_sysfs_entries(adapter);
2008 qlcnic_free_hw_resources(adapter);
2009 qlcnic_release_rx_buffers(adapter);
2010 qlcnic_free_irq(adapter);
2011 qlcnic_napi_del(adapter);
2012 qlcnic_free_sw_resources(adapter);
2017 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2019 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2020 struct qlcnic_host_sds_ring *sds_ring;
2021 int drv_tx_rings = adapter->drv_tx_rings;
2024 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2025 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2026 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2027 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2028 qlcnic_disable_sds_intr(adapter, sds_ring);
2032 qlcnic_fw_destroy_ctx(adapter);
2034 qlcnic_detach(adapter);
2036 adapter->ahw->diag_test = 0;
2037 adapter->drv_sds_rings = drv_sds_rings;
2038 adapter->drv_tx_rings = drv_tx_rings;
2040 if (qlcnic_attach(adapter))
2043 if (netif_running(netdev))
2044 __qlcnic_up(adapter, netdev);
2046 netif_device_attach(netdev);
2049 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2053 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2055 if (!adapter->recv_ctx) {
2061 memset(&adapter->stats, 0, sizeof(adapter->stats));
2066 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2068 kfree(adapter->recv_ctx);
2069 adapter->recv_ctx = NULL;
2071 if (adapter->ahw->fw_dump.tmpl_hdr) {
2072 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2073 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2076 kfree(adapter->ahw->reset.buff);
2077 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2080 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2082 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2083 struct qlcnic_host_sds_ring *sds_ring;
2084 struct qlcnic_host_rds_ring *rds_ring;
2088 netif_device_detach(netdev);
2090 if (netif_running(netdev))
2091 __qlcnic_down(adapter, netdev);
2093 qlcnic_detach(adapter);
2095 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2096 adapter->ahw->diag_test = test;
2097 adapter->ahw->linkup = 0;
2099 ret = qlcnic_attach(adapter);
2101 netif_device_attach(netdev);
2105 ret = qlcnic_fw_create_ctx(adapter);
2107 qlcnic_detach(adapter);
2108 netif_device_attach(netdev);
2112 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2113 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2114 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2117 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2118 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2119 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2120 qlcnic_enable_sds_intr(adapter, sds_ring);
2124 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2125 adapter->ahw->loopback_state = 0;
2126 qlcnic_linkevent_request(adapter, 1);
2129 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2134 /* Reset context in hardware only */
2136 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2138 struct net_device *netdev = adapter->netdev;
2140 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2143 netif_device_detach(netdev);
2145 qlcnic_down(adapter, netdev);
2147 qlcnic_up(adapter, netdev);
2149 netif_device_attach(netdev);
2151 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2152 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2157 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2160 struct net_device *netdev = adapter->netdev;
2162 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2165 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2167 netif_device_detach(netdev);
2169 if (netif_running(netdev))
2170 __qlcnic_down(adapter, netdev);
2172 qlcnic_detach(adapter);
2174 if (netif_running(netdev)) {
2175 err = qlcnic_attach(adapter);
2177 __qlcnic_up(adapter, netdev);
2178 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2182 netif_device_attach(netdev);
2185 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2189 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2191 struct qlcnic_hardware_context *ahw = adapter->ahw;
2192 u16 act_pci_fn = ahw->total_nic_func;
2195 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2196 if (act_pci_fn <= 2)
2197 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2200 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2202 ahw->max_uc_count = count;
2206 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2210 struct pci_dev *pdev = adapter->pdev;
2212 adapter->rx_csum = 1;
2213 adapter->ahw->mc_enabled = 0;
2214 qlcnic_set_mac_filter_count(adapter);
2216 netdev->netdev_ops = &qlcnic_netdev_ops;
2217 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2219 qlcnic_change_mtu(netdev, netdev->mtu);
2221 if (qlcnic_sriov_vf_check(adapter))
2222 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2224 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2226 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2227 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2228 NETIF_F_HW_VLAN_CTAG_RX);
2229 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2232 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2233 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2234 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2237 if (pci_using_dac) {
2238 netdev->features |= NETIF_F_HIGHDMA;
2239 netdev->vlan_features |= NETIF_F_HIGHDMA;
2242 if (qlcnic_vlan_tx_check(adapter))
2243 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2245 if (qlcnic_sriov_vf_check(adapter))
2246 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2248 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2249 netdev->features |= NETIF_F_LRO;
2251 if (qlcnic_encap_tx_offload(adapter)) {
2252 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2254 /* encapsulation Tx offload supported by Adapter */
2255 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2256 NETIF_F_GSO_UDP_TUNNEL |
2261 if (qlcnic_encap_rx_offload(adapter))
2262 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2264 netdev->hw_features = netdev->features;
2265 netdev->priv_flags |= IFF_UNICAST_FLT;
2266 netdev->irq = adapter->msix_entries[0].vector;
2268 err = qlcnic_set_real_num_queues(adapter, netdev);
2272 err = register_netdev(netdev);
2274 dev_err(&pdev->dev, "failed to register net device\n");
2278 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2283 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2285 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2286 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2288 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2289 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2292 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2299 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2302 struct qlcnic_host_tx_ring *tx_ring;
2304 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2305 tx_ring = &adapter->tx_ring[ring];
2306 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2307 vfree(tx_ring->cmd_buf_arr);
2308 tx_ring->cmd_buf_arr = NULL;
2311 if (adapter->tx_ring != NULL)
2312 kfree(adapter->tx_ring);
2315 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2316 struct net_device *netdev)
2318 int ring, vector, index;
2319 struct qlcnic_host_tx_ring *tx_ring;
2320 struct qlcnic_cmd_buffer *cmd_buf_arr;
2322 tx_ring = kcalloc(adapter->drv_tx_rings,
2323 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2324 if (tx_ring == NULL)
2327 adapter->tx_ring = tx_ring;
2329 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2330 tx_ring = &adapter->tx_ring[ring];
2331 tx_ring->num_desc = adapter->num_txd;
2332 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2333 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2334 if (cmd_buf_arr == NULL) {
2335 qlcnic_free_tx_rings(adapter);
2338 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2339 tx_ring->cmd_buf_arr = cmd_buf_arr;
2340 spin_lock_init(&tx_ring->tx_clean_lock);
2343 if (qlcnic_83xx_check(adapter) ||
2344 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2345 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2346 tx_ring = &adapter->tx_ring[ring];
2347 tx_ring->adapter = adapter;
2348 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2349 index = adapter->drv_sds_rings + ring;
2350 vector = adapter->msix_entries[index].vector;
2351 tx_ring->irq = vector;
2359 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2361 struct qlcnic_hardware_context *ahw = adapter->ahw;
2364 if (qlcnic_82xx_check(adapter))
2365 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2366 else if (qlcnic_83xx_check(adapter))
2367 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2369 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2370 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2374 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2376 struct net_device *netdev = NULL;
2377 struct qlcnic_adapter *adapter = NULL;
2378 struct qlcnic_hardware_context *ahw;
2379 int err, pci_using_dac = -1;
2380 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2382 if (pdev->is_virtfn)
2385 err = pci_enable_device(pdev);
2389 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2391 goto err_out_disable_pdev;
2394 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2396 goto err_out_disable_pdev;
2398 err = pci_request_regions(pdev, qlcnic_driver_name);
2400 goto err_out_disable_pdev;
2402 pci_set_master(pdev);
2403 pci_enable_pcie_error_reporting(pdev);
2405 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2408 goto err_out_free_res;
2411 switch (ent->device) {
2412 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2413 ahw->hw_ops = &qlcnic_hw_ops;
2414 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2416 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2417 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2418 qlcnic_83xx_register_map(ahw);
2420 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2421 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2422 qlcnic_sriov_vf_register_map(ahw);
2425 goto err_out_free_hw_res;
2428 err = qlcnic_setup_pci_map(pdev, ahw);
2430 goto err_out_free_hw_res;
2432 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2433 QLCNIC_MAX_TX_RINGS);
2436 goto err_out_iounmap;
2439 SET_NETDEV_DEV(netdev, &pdev->dev);
2441 adapter = netdev_priv(netdev);
2442 adapter->netdev = netdev;
2443 adapter->pdev = pdev;
2446 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2447 if (adapter->qlcnic_wq == NULL) {
2449 dev_err(&pdev->dev, "Failed to create workqueue\n");
2450 goto err_out_free_netdev;
2453 err = qlcnic_alloc_adapter_resources(adapter);
2455 goto err_out_free_wq;
2457 adapter->dev_rst_time = jiffies;
2458 ahw->revision_id = pdev->revision;
2459 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2460 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2461 adapter->fdb_mac_learn = true;
2462 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2463 adapter->drv_mac_learn = true;
2465 rwlock_init(&adapter->ahw->crb_lock);
2466 mutex_init(&adapter->ahw->mem_lock);
2468 INIT_LIST_HEAD(&adapter->mac_list);
2470 qlcnic_register_dcb(adapter);
2472 if (qlcnic_82xx_check(adapter)) {
2473 qlcnic_check_vf(adapter, ent);
2474 adapter->portnum = adapter->ahw->pci_func;
2475 err = qlcnic_start_firmware(adapter);
2477 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2478 "\t\tIf reboot doesn't help, try flashing the card\n");
2479 goto err_out_maintenance_mode;
2482 /* compute and set default and max tx/sds rings */
2483 if (adapter->ahw->msix_supported) {
2484 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2485 qlcnic_set_tx_ring_count(adapter,
2486 QLCNIC_SINGLE_RING);
2488 qlcnic_set_tx_ring_count(adapter,
2489 QLCNIC_DEF_TX_RINGS);
2490 qlcnic_set_sds_ring_count(adapter,
2491 QLCNIC_DEF_SDS_RINGS);
2493 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2494 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2497 err = qlcnic_setup_idc_param(adapter);
2499 goto err_out_free_hw;
2501 adapter->flags |= QLCNIC_NEED_FLR;
2503 } else if (qlcnic_83xx_check(adapter)) {
2504 qlcnic_83xx_check_vf(adapter, ent);
2505 adapter->portnum = adapter->ahw->pci_func;
2506 err = qlcnic_83xx_init(adapter, pci_using_dac);
2509 case -ENOTRECOVERABLE:
2510 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2511 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2512 goto err_out_free_hw;
2514 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2515 goto err_out_free_hw;
2517 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2518 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2519 goto err_out_maintenance_mode;
2523 if (qlcnic_sriov_vf_check(adapter))
2527 "%s: failed. Please Reboot\n", __func__);
2528 goto err_out_free_hw;
2531 if (qlcnic_read_mac_addr(adapter))
2532 dev_warn(&pdev->dev, "failed to read mac addr\n");
2534 qlcnic_read_phys_port_id(adapter);
2536 if (adapter->portnum == 0) {
2537 qlcnic_get_board_name(adapter, board_name);
2539 pr_info("%s: %s Board Chip rev 0x%x\n",
2540 module_name(THIS_MODULE),
2541 board_name, adapter->ahw->revision_id);
2544 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2546 dev_warn(&pdev->dev,
2547 "Device does not support MSI interrupts\n");
2549 if (qlcnic_82xx_check(adapter)) {
2550 qlcnic_dcb_enable(adapter->dcb);
2551 qlcnic_dcb_get_info(adapter->dcb);
2552 err = qlcnic_setup_intr(adapter);
2555 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2556 goto err_out_disable_msi;
2560 err = qlcnic_get_act_pci_func(adapter);
2562 goto err_out_disable_mbx_intr;
2564 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2566 goto err_out_disable_mbx_intr;
2568 if (adapter->portnum == 0)
2569 qlcnic_set_drv_version(adapter);
2571 pci_set_drvdata(pdev, adapter);
2573 if (qlcnic_82xx_check(adapter))
2574 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2577 switch (adapter->ahw->port_type) {
2579 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2580 adapter->netdev->name);
2583 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2584 adapter->netdev->name);
2588 if (adapter->drv_mac_learn)
2589 qlcnic_alloc_lb_filters_mem(adapter);
2591 qlcnic_add_sysfs(adapter);
2595 err_out_disable_mbx_intr:
2596 if (qlcnic_83xx_check(adapter))
2597 qlcnic_83xx_free_mbx_intr(adapter);
2599 err_out_disable_msi:
2600 qlcnic_teardown_intr(adapter);
2601 qlcnic_cancel_idc_work(adapter);
2602 qlcnic_clr_all_drv_state(adapter, 0);
2605 qlcnic_free_adapter_resources(adapter);
2608 destroy_workqueue(adapter->qlcnic_wq);
2610 err_out_free_netdev:
2611 free_netdev(netdev);
2614 qlcnic_cleanup_pci_map(ahw);
2616 err_out_free_hw_res:
2620 pci_release_regions(pdev);
2622 err_out_disable_pdev:
2623 pci_disable_device(pdev);
2626 err_out_maintenance_mode:
2627 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2628 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2629 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2630 ahw->port_type = QLCNIC_XGBE;
2632 if (qlcnic_83xx_check(adapter))
2633 adapter->tgt_status_reg = NULL;
2635 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2637 err = register_netdev(netdev);
2640 dev_err(&pdev->dev, "Failed to register net device\n");
2641 qlcnic_clr_all_drv_state(adapter, 0);
2642 goto err_out_free_hw;
2645 pci_set_drvdata(pdev, adapter);
2646 qlcnic_add_sysfs(adapter);
2651 static void qlcnic_remove(struct pci_dev *pdev)
2653 struct qlcnic_adapter *adapter;
2654 struct net_device *netdev;
2655 struct qlcnic_hardware_context *ahw;
2657 adapter = pci_get_drvdata(pdev);
2658 if (adapter == NULL)
2661 netdev = adapter->netdev;
2662 qlcnic_sriov_pf_disable(adapter);
2664 qlcnic_cancel_idc_work(adapter);
2667 unregister_netdev(netdev);
2668 qlcnic_sriov_cleanup(adapter);
2670 if (qlcnic_83xx_check(adapter)) {
2671 qlcnic_83xx_initialize_nic(adapter, 0);
2672 cancel_delayed_work_sync(&adapter->idc_aen_work);
2673 qlcnic_83xx_free_mbx_intr(adapter);
2674 qlcnic_83xx_detach_mailbox_work(adapter);
2675 qlcnic_83xx_free_mailbox(ahw->mailbox);
2676 kfree(ahw->fw_info);
2679 qlcnic_dcb_free(adapter->dcb);
2681 qlcnic_detach(adapter);
2683 if (adapter->npars != NULL)
2684 kfree(adapter->npars);
2685 if (adapter->eswitch != NULL)
2686 kfree(adapter->eswitch);
2688 if (qlcnic_82xx_check(adapter))
2689 qlcnic_clr_all_drv_state(adapter, 0);
2691 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2693 qlcnic_free_lb_filters_mem(adapter);
2695 qlcnic_teardown_intr(adapter);
2697 qlcnic_remove_sysfs(adapter);
2699 qlcnic_cleanup_pci_map(adapter->ahw);
2701 qlcnic_release_firmware(adapter);
2703 pci_disable_pcie_error_reporting(pdev);
2704 pci_release_regions(pdev);
2705 pci_disable_device(pdev);
2707 if (adapter->qlcnic_wq) {
2708 destroy_workqueue(adapter->qlcnic_wq);
2709 adapter->qlcnic_wq = NULL;
2712 qlcnic_free_adapter_resources(adapter);
2714 free_netdev(netdev);
2717 static void qlcnic_shutdown(struct pci_dev *pdev)
2719 if (__qlcnic_shutdown(pdev))
2722 pci_disable_device(pdev);
2726 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2730 retval = __qlcnic_shutdown(pdev);
2734 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2738 static int qlcnic_resume(struct pci_dev *pdev)
2740 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2743 err = pci_enable_device(pdev);
2747 pci_set_power_state(pdev, PCI_D0);
2748 pci_set_master(pdev);
2749 pci_restore_state(pdev);
2751 return __qlcnic_resume(adapter);
2755 static int qlcnic_open(struct net_device *netdev)
2757 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2760 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2761 netdev_err(netdev, "%s: Device is in non-operational state\n",
2767 netif_carrier_off(netdev);
2769 err = qlcnic_attach(adapter);
2773 err = __qlcnic_up(adapter, netdev);
2775 qlcnic_detach(adapter);
2781 * qlcnic_close - Disables a network interface entry point
2783 static int qlcnic_close(struct net_device *netdev)
2785 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2787 __qlcnic_down(adapter, netdev);
2792 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2796 struct net_device *netdev = adapter->netdev;
2797 u32 filter_size = 0;
2798 u16 act_pci_func = 0;
2800 if (adapter->fhash.fmax && adapter->fhash.fhead)
2803 act_pci_func = adapter->ahw->total_nic_func;
2804 spin_lock_init(&adapter->mac_learn_lock);
2805 spin_lock_init(&adapter->rx_mac_learn_lock);
2807 if (qlcnic_82xx_check(adapter)) {
2808 filter_size = QLCNIC_LB_MAX_FILTERS;
2809 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2811 filter_size = QLC_83XX_LB_MAX_FILTERS;
2812 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2815 head = kcalloc(adapter->fhash.fbucket_size,
2816 sizeof(struct hlist_head), GFP_ATOMIC);
2821 adapter->fhash.fmax = (filter_size / act_pci_func);
2822 adapter->fhash.fhead = head;
2824 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2825 act_pci_func, adapter->fhash.fmax);
2827 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2828 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2830 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2832 head = kcalloc(adapter->rx_fhash.fbucket_size,
2833 sizeof(struct hlist_head), GFP_ATOMIC);
2838 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2839 adapter->rx_fhash.fhead = head;
2841 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2842 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2845 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2847 if (adapter->fhash.fmax && adapter->fhash.fhead)
2848 kfree(adapter->fhash.fhead);
2850 adapter->fhash.fhead = NULL;
2851 adapter->fhash.fmax = 0;
2853 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2854 kfree(adapter->rx_fhash.fhead);
2856 adapter->rx_fhash.fmax = 0;
2857 adapter->rx_fhash.fhead = NULL;
2860 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2862 struct net_device *netdev = adapter->netdev;
2863 u32 temp_state, temp_val, temp = 0;
2866 if (qlcnic_83xx_check(adapter))
2867 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2869 if (qlcnic_82xx_check(adapter))
2870 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2872 temp_state = qlcnic_get_temp_state(temp);
2873 temp_val = qlcnic_get_temp_val(temp);
2875 if (temp_state == QLCNIC_TEMP_PANIC) {
2876 dev_err(&netdev->dev,
2877 "Device temperature %d degrees C exceeds"
2878 " maximum allowed. Hardware has been shut down.\n",
2881 } else if (temp_state == QLCNIC_TEMP_WARN) {
2882 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2883 dev_err(&netdev->dev,
2884 "Device temperature %d degrees C "
2885 "exceeds operating range."
2886 " Immediate action needed.\n",
2890 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2891 dev_info(&netdev->dev,
2892 "Device temperature is now %d degrees C"
2893 " in normal range.\n", temp_val);
2896 adapter->ahw->temp = temp_state;
2900 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2903 struct cmd_desc_type0 *tx_desc_info;
2905 for (i = 0; i < tx_ring->num_desc; i++) {
2906 tx_desc_info = &tx_ring->desc_head[i];
2907 pr_info("TX Desc: %d\n", i);
2908 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2909 &tx_ring->desc_head[i],
2910 sizeof(struct cmd_desc_type0), true);
2914 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2916 struct net_device *netdev = adapter->netdev;
2917 struct qlcnic_host_tx_ring *tx_ring;
2920 if (!netdev || !netif_running(netdev))
2923 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2924 tx_ring = &adapter->tx_ring[ring];
2925 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2926 ring, tx_ring->ctx_id);
2928 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2929 tx_ring->tx_stats.xmit_finished,
2930 tx_ring->tx_stats.xmit_called,
2931 tx_ring->tx_stats.xmit_on,
2932 tx_ring->tx_stats.xmit_off);
2934 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2935 readl(tx_ring->crb_intr_mask),
2936 readl(tx_ring->crb_cmd_producer),
2937 tx_ring->producer, tx_ring->sw_consumer,
2938 le32_to_cpu(*(tx_ring->hw_consumer)));
2940 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2941 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2943 if (netif_msg_tx_done(adapter->ahw))
2944 dump_tx_ring_desc(tx_ring);
2948 static void qlcnic_tx_timeout(struct net_device *netdev)
2950 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2952 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2955 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2956 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
2957 if (qlcnic_82xx_check(adapter))
2958 adapter->need_fw_reset = 1;
2959 else if (qlcnic_83xx_check(adapter))
2960 qlcnic_83xx_idc_request_reset(adapter,
2961 QLCNIC_FORCE_FW_DUMP_KEY);
2963 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
2964 qlcnic_dump_tx_rings(adapter);
2965 adapter->ahw->reset_context = 1;
2969 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2971 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2972 struct net_device_stats *stats = &netdev->stats;
2974 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2975 qlcnic_update_stats(adapter);
2977 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2978 stats->tx_packets = adapter->stats.xmitfinished;
2979 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2980 stats->tx_bytes = adapter->stats.txbytes;
2981 stats->rx_dropped = adapter->stats.rxdropped;
2982 stats->tx_dropped = adapter->stats.txdropped;
2987 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2991 status = readl(adapter->isr_int_vec);
2993 if (!(status & adapter->ahw->int_vec_bit))
2996 /* check interrupt state machine, to be sure */
2997 status = readl(adapter->crb_int_state_reg);
2998 if (!ISR_LEGACY_INT_TRIGGERED(status))
3001 writel(0xffffffff, adapter->tgt_status_reg);
3002 /* read twice to ensure write is flushed */
3003 readl(adapter->isr_int_vec);
3004 readl(adapter->isr_int_vec);
3009 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3011 struct qlcnic_host_sds_ring *sds_ring = data;
3012 struct qlcnic_adapter *adapter = sds_ring->adapter;
3014 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3016 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3017 writel(0xffffffff, adapter->tgt_status_reg);
3021 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3025 adapter->ahw->diag_cnt++;
3026 qlcnic_enable_sds_intr(adapter, sds_ring);
3030 static irqreturn_t qlcnic_intr(int irq, void *data)
3032 struct qlcnic_host_sds_ring *sds_ring = data;
3033 struct qlcnic_adapter *adapter = sds_ring->adapter;
3035 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3038 napi_schedule(&sds_ring->napi);
3043 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3045 struct qlcnic_host_sds_ring *sds_ring = data;
3046 struct qlcnic_adapter *adapter = sds_ring->adapter;
3048 /* clear interrupt */
3049 writel(0xffffffff, adapter->tgt_status_reg);
3051 napi_schedule(&sds_ring->napi);
3055 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3057 struct qlcnic_host_sds_ring *sds_ring = data;
3059 napi_schedule(&sds_ring->napi);
3063 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3065 struct qlcnic_host_tx_ring *tx_ring = data;
3067 napi_schedule(&tx_ring->napi);
3071 #ifdef CONFIG_NET_POLL_CONTROLLER
3072 static void qlcnic_poll_controller(struct net_device *netdev)
3074 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3075 struct qlcnic_host_sds_ring *sds_ring;
3076 struct qlcnic_recv_context *recv_ctx;
3077 struct qlcnic_host_tx_ring *tx_ring;
3080 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3083 recv_ctx = adapter->recv_ctx;
3085 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3086 sds_ring = &recv_ctx->sds_rings[ring];
3087 qlcnic_disable_sds_intr(adapter, sds_ring);
3088 napi_schedule(&sds_ring->napi);
3091 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3092 /* Only Multi-Tx queue capable devices need to
3093 * schedule NAPI for TX rings
3095 if ((qlcnic_83xx_check(adapter) &&
3096 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3097 (qlcnic_82xx_check(adapter) &&
3098 !qlcnic_check_multi_tx(adapter)))
3101 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3102 tx_ring = &adapter->tx_ring[ring];
3103 qlcnic_disable_tx_intr(adapter, tx_ring);
3104 napi_schedule(&tx_ring->napi);
3111 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3115 val = adapter->portnum & 0xf;
3116 val |= encoding << 7;
3117 val |= (jiffies - adapter->dev_rst_time) << 8;
3119 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3120 adapter->dev_rst_time = jiffies;
3124 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3128 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3129 state != QLCNIC_DEV_NEED_QUISCENT);
3131 if (qlcnic_api_lock(adapter))
3134 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3136 if (state == QLCNIC_DEV_NEED_RESET)
3137 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3138 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3139 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3141 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3143 qlcnic_api_unlock(adapter);
3149 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3153 if (qlcnic_api_lock(adapter))
3156 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3157 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3158 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3160 qlcnic_api_unlock(adapter);
3165 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3169 if (qlcnic_api_lock(adapter))
3172 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3173 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3174 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3177 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3179 dev_info(&adapter->pdev->dev,
3180 "Device state set to Failed. Please Reboot\n");
3181 } else if (!(val & 0x11111111))
3182 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3185 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3186 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3187 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3189 qlcnic_api_unlock(adapter);
3191 adapter->fw_fail_cnt = 0;
3192 adapter->flags &= ~QLCNIC_FW_HANG;
3193 clear_bit(__QLCNIC_START_FW, &adapter->state);
3194 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3197 /* Grab api lock, before checking state */
3199 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3201 int act, state, active_mask;
3202 struct qlcnic_hardware_context *ahw = adapter->ahw;
3204 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3205 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3207 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3208 active_mask = (~(1 << (ahw->pci_func * 4)));
3209 act = act & active_mask;
3212 if (((state & 0x11111111) == (act & 0x11111111)) ||
3213 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3219 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3221 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3223 if (val != QLCNIC_DRV_IDC_VER) {
3224 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3225 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3232 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3234 u32 val, prev_state;
3235 u8 dev_init_timeo = adapter->dev_init_timeo;
3236 u8 portnum = adapter->portnum;
3239 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3242 if (qlcnic_api_lock(adapter))
3245 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3246 if (!(val & (1 << (portnum * 4)))) {
3247 QLC_DEV_SET_REF_CNT(val, portnum);
3248 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3251 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3252 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3254 switch (prev_state) {
3255 case QLCNIC_DEV_COLD:
3256 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3257 QLCNIC_DEV_INITIALIZING);
3258 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3259 QLCNIC_DRV_IDC_VER);
3260 qlcnic_idc_debug_info(adapter, 0);
3261 qlcnic_api_unlock(adapter);
3264 case QLCNIC_DEV_READY:
3265 ret = qlcnic_check_idc_ver(adapter);
3266 qlcnic_api_unlock(adapter);
3269 case QLCNIC_DEV_NEED_RESET:
3270 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3271 QLC_DEV_SET_RST_RDY(val, portnum);
3272 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3275 case QLCNIC_DEV_NEED_QUISCENT:
3276 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3277 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3278 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3281 case QLCNIC_DEV_FAILED:
3282 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3283 qlcnic_api_unlock(adapter);
3286 case QLCNIC_DEV_INITIALIZING:
3287 case QLCNIC_DEV_QUISCENT:
3291 qlcnic_api_unlock(adapter);
3295 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3297 if (prev_state == QLCNIC_DEV_QUISCENT)
3299 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3301 if (!dev_init_timeo) {
3302 dev_err(&adapter->pdev->dev,
3303 "Waiting for device to initialize timeout\n");
3307 if (qlcnic_api_lock(adapter))
3310 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3311 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3312 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3314 ret = qlcnic_check_idc_ver(adapter);
3315 qlcnic_api_unlock(adapter);
3321 qlcnic_fwinit_work(struct work_struct *work)
3323 struct qlcnic_adapter *adapter = container_of(work,
3324 struct qlcnic_adapter, fw_work.work);
3325 u32 dev_state = 0xf;
3328 if (qlcnic_api_lock(adapter))
3331 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3332 if (dev_state == QLCNIC_DEV_QUISCENT ||
3333 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3334 qlcnic_api_unlock(adapter);
3335 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3340 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3341 qlcnic_api_unlock(adapter);
3345 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3346 dev_state == QLCNIC_DEV_READY) {
3347 dev_info(&adapter->pdev->dev, "Detected state change from "
3348 "DEV_NEED_RESET, skipping ack check\n");
3349 goto skip_ack_check;
3352 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3353 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3354 adapter->reset_ack_timeo);
3355 goto skip_ack_check;
3358 if (!qlcnic_check_drv_state(adapter)) {
3360 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3362 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3363 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3364 QLCNIC_DEV_INITIALIZING);
3365 set_bit(__QLCNIC_START_FW, &adapter->state);
3366 QLCDB(adapter, DRV, "Restarting fw\n");
3367 qlcnic_idc_debug_info(adapter, 0);
3368 val = QLC_SHARED_REG_RD32(adapter,
3369 QLCNIC_CRB_DRV_STATE);
3370 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3371 QLC_SHARED_REG_WR32(adapter,
3372 QLCNIC_CRB_DRV_STATE, val);
3375 qlcnic_api_unlock(adapter);
3378 if (qlcnic_check_fw_dump_state(adapter) &&
3379 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3380 QLCDB(adapter, DRV, "Take FW dump\n");
3381 qlcnic_dump_fw(adapter);
3382 adapter->flags |= QLCNIC_FW_HANG;
3386 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3387 if (!adapter->nic_ops->start_firmware(adapter)) {
3388 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3389 adapter->fw_wait_cnt = 0;
3395 qlcnic_api_unlock(adapter);
3398 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3399 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3401 switch (dev_state) {
3402 case QLCNIC_DEV_READY:
3403 if (!qlcnic_start_firmware(adapter)) {
3404 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3405 adapter->fw_wait_cnt = 0;
3408 case QLCNIC_DEV_FAILED:
3411 qlcnic_schedule_work(adapter,
3412 qlcnic_fwinit_work, FW_POLL_DELAY);
3417 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3418 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3419 netif_device_attach(adapter->netdev);
3420 qlcnic_clr_all_drv_state(adapter, 0);
3424 qlcnic_detach_work(struct work_struct *work)
3426 struct qlcnic_adapter *adapter = container_of(work,
3427 struct qlcnic_adapter, fw_work.work);
3428 struct net_device *netdev = adapter->netdev;
3431 netif_device_detach(netdev);
3433 /* Dont grab rtnl lock during Quiscent mode */
3434 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3435 if (netif_running(netdev))
3436 __qlcnic_down(adapter, netdev);
3438 qlcnic_down(adapter, netdev);
3440 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3442 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3443 dev_err(&adapter->pdev->dev,
3444 "Detaching the device: peg halt status1=0x%x\n",
3447 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3448 dev_err(&adapter->pdev->dev,
3449 "On board active cooling fan failed. "
3450 "Device has been halted.\n");
3451 dev_err(&adapter->pdev->dev,
3452 "Replace the adapter.\n");
3458 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3459 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3460 adapter->ahw->temp);
3464 /* Dont ack if this instance is the reset owner */
3465 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3466 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3467 dev_err(&adapter->pdev->dev,
3468 "Failed to set driver state,"
3469 "detaching the device.\n");
3474 adapter->fw_wait_cnt = 0;
3476 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3481 netif_device_attach(netdev);
3482 qlcnic_clr_all_drv_state(adapter, 1);
3485 /*Transit NPAR state to NON Operational */
3487 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3491 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3492 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3495 if (qlcnic_api_lock(adapter))
3497 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3498 QLCNIC_DEV_NPAR_NON_OPER);
3499 qlcnic_api_unlock(adapter);
3502 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3505 u32 state, xg_val = 0, gb_val = 0;
3507 qlcnic_xg_set_xg0_mask(xg_val);
3508 qlcnic_xg_set_xg1_mask(xg_val);
3509 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3510 qlcnic_gb_set_gb0_mask(gb_val);
3511 qlcnic_gb_set_gb1_mask(gb_val);
3512 qlcnic_gb_set_gb2_mask(gb_val);
3513 qlcnic_gb_set_gb3_mask(gb_val);
3514 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3515 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3517 adapter->need_fw_reset = 1;
3519 if (qlcnic_api_lock(adapter))
3522 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3524 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3525 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3527 qlcnic_api_unlock(adapter);
3532 if (state == QLCNIC_DEV_READY) {
3533 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3534 QLCNIC_DEV_NEED_RESET);
3535 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3536 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3537 qlcnic_idc_debug_info(adapter, 0);
3540 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3541 QLCNIC_DEV_NPAR_NON_OPER);
3542 qlcnic_api_unlock(adapter);
3545 /* Transit to NPAR READY state from NPAR NOT READY state */
3547 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3549 if (qlcnic_api_lock(adapter))
3552 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3553 QLCNIC_DEV_NPAR_OPER);
3554 QLCDB(adapter, DRV, "NPAR operational state set\n");
3556 qlcnic_api_unlock(adapter);
3559 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3560 work_func_t func, int delay)
3562 if (test_bit(__QLCNIC_AER, &adapter->state))
3565 INIT_DELAYED_WORK(&adapter->fw_work, func);
3566 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3567 round_jiffies_relative(delay));
3571 qlcnic_attach_work(struct work_struct *work)
3573 struct qlcnic_adapter *adapter = container_of(work,
3574 struct qlcnic_adapter, fw_work.work);
3575 struct net_device *netdev = adapter->netdev;
3578 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3579 npar_state = QLC_SHARED_REG_RD32(adapter,
3580 QLCNIC_CRB_DEV_NPAR_STATE);
3581 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3582 qlcnic_clr_all_drv_state(adapter, 0);
3583 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3584 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3588 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3592 qlcnic_dcb_get_info(adapter->dcb);
3594 if (netif_running(netdev)) {
3595 if (qlcnic_up(adapter, netdev))
3598 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3602 netif_device_attach(netdev);
3603 adapter->fw_fail_cnt = 0;
3604 adapter->flags &= ~QLCNIC_FW_HANG;
3605 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3606 if (adapter->portnum == 0)
3607 qlcnic_set_drv_version(adapter);
3609 if (!qlcnic_clr_drv_state(adapter))
3610 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3615 qlcnic_check_health(struct qlcnic_adapter *adapter)
3617 struct qlcnic_hardware_context *ahw = adapter->ahw;
3618 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3619 u32 state = 0, heartbeat;
3623 if (qlcnic_check_temp(adapter))
3626 if (adapter->need_fw_reset)
3627 qlcnic_dev_request_reset(adapter, 0);
3629 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3630 if (state == QLCNIC_DEV_NEED_RESET) {
3631 qlcnic_set_npar_non_operational(adapter);
3632 adapter->need_fw_reset = 1;
3633 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3636 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3637 if (heartbeat != adapter->heartbeat) {
3638 adapter->heartbeat = heartbeat;
3639 adapter->fw_fail_cnt = 0;
3640 if (adapter->need_fw_reset)
3643 if (ahw->reset_context && qlcnic_auto_fw_reset)
3644 qlcnic_reset_hw_context(adapter);
3649 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3652 adapter->flags |= QLCNIC_FW_HANG;
3654 qlcnic_dev_request_reset(adapter, 0);
3656 if (qlcnic_auto_fw_reset)
3657 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3659 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3660 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3661 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3662 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3663 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3664 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3665 "PEG_NET_4_PC: 0x%x\n",
3667 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3668 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3669 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3670 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3671 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3672 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3673 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3674 dev_err(&adapter->pdev->dev,
3675 "Firmware aborted with error code 0x00006700. "
3676 "Device is being reset.\n");
3678 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3679 QLCNIC_DEV_NEED_RESET;
3681 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3684 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3685 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3686 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3687 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3688 qlcnic_dump_fw(adapter);
3694 void qlcnic_fw_poll_work(struct work_struct *work)
3696 struct qlcnic_adapter *adapter = container_of(work,
3697 struct qlcnic_adapter, fw_work.work);
3699 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3703 if (qlcnic_check_health(adapter))
3706 if (adapter->fhash.fnum)
3707 qlcnic_prune_lb_filters(adapter);
3710 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3713 static int qlcnic_is_first_func(struct pci_dev *pdev)
3715 struct pci_dev *oth_pdev;
3716 int val = pdev->devfn;
3719 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3720 (pdev->bus), pdev->bus->number,
3721 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3725 if (oth_pdev->current_state != PCI_D3cold) {
3726 pci_dev_put(oth_pdev);
3729 pci_dev_put(oth_pdev);
3734 static int qlcnic_attach_func(struct pci_dev *pdev)
3736 int err, first_func;
3737 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3738 struct net_device *netdev = adapter->netdev;
3740 pdev->error_state = pci_channel_io_normal;
3742 err = pci_enable_device(pdev);
3746 pci_set_master(pdev);
3747 pci_restore_state(pdev);
3749 first_func = qlcnic_is_first_func(pdev);
3751 if (qlcnic_api_lock(adapter))
3754 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3755 adapter->need_fw_reset = 1;
3756 set_bit(__QLCNIC_START_FW, &adapter->state);
3757 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3758 QLCNIC_DEV_INITIALIZING);
3759 QLCDB(adapter, DRV, "Restarting fw\n");
3761 qlcnic_api_unlock(adapter);
3763 err = qlcnic_start_firmware(adapter);
3767 qlcnic_clr_drv_state(adapter);
3768 kfree(adapter->msix_entries);
3769 adapter->msix_entries = NULL;
3770 err = qlcnic_setup_intr(adapter);
3773 kfree(adapter->msix_entries);
3774 netdev_err(netdev, "failed to setup interrupt\n");
3778 if (netif_running(netdev)) {
3779 err = qlcnic_attach(adapter);
3781 qlcnic_clr_all_drv_state(adapter, 1);
3782 clear_bit(__QLCNIC_AER, &adapter->state);
3783 netif_device_attach(netdev);
3787 err = qlcnic_up(adapter, netdev);
3791 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3794 netif_device_attach(netdev);
3798 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3799 pci_channel_state_t state)
3801 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3802 struct net_device *netdev = adapter->netdev;
3804 if (state == pci_channel_io_perm_failure)
3805 return PCI_ERS_RESULT_DISCONNECT;
3807 if (state == pci_channel_io_normal)
3808 return PCI_ERS_RESULT_RECOVERED;
3810 set_bit(__QLCNIC_AER, &adapter->state);
3811 netif_device_detach(netdev);
3813 cancel_delayed_work_sync(&adapter->fw_work);
3815 if (netif_running(netdev))
3816 qlcnic_down(adapter, netdev);
3818 qlcnic_detach(adapter);
3819 qlcnic_teardown_intr(adapter);
3821 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3823 pci_save_state(pdev);
3824 pci_disable_device(pdev);
3826 return PCI_ERS_RESULT_NEED_RESET;
3829 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3831 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3832 PCI_ERS_RESULT_RECOVERED;
3835 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3838 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3840 pci_cleanup_aer_uncorrect_error_status(pdev);
3841 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3842 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3844 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3848 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3849 pci_channel_state_t state)
3851 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3852 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3854 if (hw_ops->io_error_detected) {
3855 return hw_ops->io_error_detected(pdev, state);
3857 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3858 return PCI_ERS_RESULT_DISCONNECT;
3862 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
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_slot_reset) {
3868 return hw_ops->io_slot_reset(pdev);
3870 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3871 return PCI_ERS_RESULT_DISCONNECT;
3875 static void qlcnic_io_resume(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_resume)
3881 hw_ops->io_resume(pdev);
3883 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3888 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3892 err = qlcnic_can_start_firmware(adapter);
3896 err = qlcnic_check_npar_opertional(adapter);
3900 err = qlcnic_initialize_nic(adapter);
3904 qlcnic_check_options(adapter);
3906 err = qlcnic_set_eswitch_port_config(adapter);
3910 adapter->need_fw_reset = 0;
3915 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3918 struct net_device *netdev = adapter->netdev;
3919 u8 max_hw_rings = 0;
3923 if (queue_type == QLCNIC_RX_QUEUE) {
3924 max_hw_rings = adapter->max_sds_rings;
3925 cur_rings = adapter->drv_sds_rings;
3927 } else if (queue_type == QLCNIC_TX_QUEUE) {
3928 max_hw_rings = adapter->max_tx_rings;
3929 cur_rings = adapter->drv_tx_rings;
3933 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
3934 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
3938 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3939 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
3943 if (!is_power_of_2(ring_cnt)) {
3944 netdev_err(netdev, "%s rings value should be a power of 2\n",
3949 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3950 !qlcnic_check_multi_tx(adapter)) {
3951 netdev_err(netdev, "No Multi Tx queue support\n");
3955 if (ring_cnt > num_online_cpus()) {
3957 "%s value[%u] should not be higher than, number of online CPUs\n",
3958 buf, num_online_cpus());
3965 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
3967 struct net_device *netdev = adapter->netdev;
3970 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3973 netif_device_detach(netdev);
3974 if (netif_running(netdev))
3975 __qlcnic_down(adapter, netdev);
3977 qlcnic_detach(adapter);
3979 if (qlcnic_83xx_check(adapter)) {
3980 qlcnic_83xx_free_mbx_intr(adapter);
3981 qlcnic_83xx_enable_mbx_poll(adapter);
3984 qlcnic_teardown_intr(adapter);
3986 err = qlcnic_setup_intr(adapter);
3988 kfree(adapter->msix_entries);
3989 netdev_err(netdev, "failed to setup interrupt\n");
3993 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
3995 if (qlcnic_83xx_check(adapter)) {
3996 qlcnic_83xx_initialize_nic(adapter, 1);
3997 err = qlcnic_83xx_setup_mbx_intr(adapter);
3998 qlcnic_83xx_disable_mbx_poll(adapter);
4000 dev_err(&adapter->pdev->dev,
4001 "failed to setup mbx interrupt\n");
4006 if (netif_running(netdev)) {
4007 err = qlcnic_attach(adapter);
4010 err = __qlcnic_up(adapter, netdev);
4013 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4016 netif_device_attach(netdev);
4017 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4023 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4026 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4027 struct net_device *dev, unsigned long event)
4029 struct in_device *indev;
4031 indev = in_dev_get(dev);
4038 qlcnic_config_ipaddr(adapter,
4039 ifa->ifa_address, QLCNIC_IP_UP);
4042 qlcnic_config_ipaddr(adapter,
4043 ifa->ifa_address, QLCNIC_IP_DOWN);
4048 } endfor_ifa(indev);
4053 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4055 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4056 struct net_device *dev;
4059 qlcnic_config_indev_addr(adapter, netdev, event);
4062 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4063 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
4066 qlcnic_config_indev_addr(adapter, dev, event);
4071 static int qlcnic_netdev_event(struct notifier_block *this,
4072 unsigned long event, void *ptr)
4074 struct qlcnic_adapter *adapter;
4075 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4081 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4082 dev = vlan_dev_real_dev(dev);
4086 if (!is_qlcnic_netdev(dev))
4089 adapter = netdev_priv(dev);
4094 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4097 qlcnic_config_indev_addr(adapter, dev, event);
4103 qlcnic_inetaddr_event(struct notifier_block *this,
4104 unsigned long event, void *ptr)
4106 struct qlcnic_adapter *adapter;
4107 struct net_device *dev;
4109 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4111 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4117 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4118 dev = vlan_dev_real_dev(dev);
4122 if (!is_qlcnic_netdev(dev))
4125 adapter = netdev_priv(dev);
4130 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4135 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4139 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4150 static struct notifier_block qlcnic_netdev_cb = {
4151 .notifier_call = qlcnic_netdev_event,
4154 static struct notifier_block qlcnic_inetaddr_cb = {
4155 .notifier_call = qlcnic_inetaddr_event,
4158 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4161 static const struct pci_error_handlers qlcnic_err_handler = {
4162 .error_detected = qlcnic_io_error_detected,
4163 .slot_reset = qlcnic_io_slot_reset,
4164 .resume = qlcnic_io_resume,
4167 static struct pci_driver qlcnic_driver = {
4168 .name = qlcnic_driver_name,
4169 .id_table = qlcnic_pci_tbl,
4170 .probe = qlcnic_probe,
4171 .remove = qlcnic_remove,
4173 .suspend = qlcnic_suspend,
4174 .resume = qlcnic_resume,
4176 .shutdown = qlcnic_shutdown,
4177 .err_handler = &qlcnic_err_handler,
4178 #ifdef CONFIG_QLCNIC_SRIOV
4179 .sriov_configure = qlcnic_pci_sriov_configure,
4184 static int __init qlcnic_init_module(void)
4188 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4191 register_netdevice_notifier(&qlcnic_netdev_cb);
4192 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4195 ret = pci_register_driver(&qlcnic_driver);
4198 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4199 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4206 module_init(qlcnic_init_module);
4208 static void __exit qlcnic_exit_module(void)
4210 pci_unregister_driver(&qlcnic_driver);
4213 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4214 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4218 module_exit(qlcnic_exit_module);