2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/vmalloc.h>
9 #include <linux/interrupt.h>
12 #include "qlcnic_sriov.h"
13 #include "qlcnic_hw.h"
15 #include <linux/swab.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/if_vlan.h>
19 #include <linux/ipv6.h>
20 #include <linux/inetdevice.h>
21 #include <linux/aer.h>
22 #include <linux/log2.h>
23 #include <linux/pci.h>
25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
26 MODULE_LICENSE("GPL");
27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
30 char qlcnic_driver_name[] = "qlcnic";
31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
34 static int qlcnic_mac_learn;
35 module_param(qlcnic_mac_learn, int, 0444);
36 MODULE_PARM_DESC(qlcnic_mac_learn,
37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
39 int qlcnic_use_msi = 1;
40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
41 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
43 int qlcnic_use_msi_x = 1;
44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
47 int qlcnic_auto_fw_reset = 1;
48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
51 int qlcnic_load_fw_file;
52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
55 int qlcnic_config_npars;
56 module_param(qlcnic_config_npars, int, 0444);
57 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
59 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
60 static void qlcnic_remove(struct pci_dev *pdev);
61 static int qlcnic_open(struct net_device *netdev);
62 static int qlcnic_close(struct net_device *netdev);
63 static void qlcnic_tx_timeout(struct net_device *netdev);
64 static void qlcnic_attach_work(struct work_struct *work);
65 static void qlcnic_fwinit_work(struct work_struct *work);
66 static void qlcnic_fw_poll_work(struct work_struct *work);
67 #ifdef CONFIG_NET_POLL_CONTROLLER
68 static void qlcnic_poll_controller(struct net_device *netdev);
71 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
72 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
73 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
75 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
76 static irqreturn_t qlcnic_intr(int irq, void *data);
77 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
78 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
79 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
81 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
82 static int qlcnic_start_firmware(struct qlcnic_adapter *);
84 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
85 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
86 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
87 static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
88 struct qlcnic_esw_func_cfg *);
89 static int qlcnic_vlan_rx_add(struct net_device *, u16);
90 static int qlcnic_vlan_rx_del(struct net_device *, u16);
92 #define QLCNIC_IS_TSO_CAPABLE(adapter) \
93 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
95 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
97 struct qlcnic_hardware_context *ahw = adapter->ahw;
99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
105 /* PCI Device ID Table */
106 #define ENTRY(device) \
107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
110 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
117 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
120 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
122 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
125 static const u32 msi_tgt_status[8] = {
126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
132 static const u32 qlcnic_reg_tbl[] = {
133 0x1B20A8, /* PEG_HALT_STAT1 */
134 0x1B20AC, /* PEG_HALT_STAT2 */
135 0x1B20B0, /* FW_HEARTBEAT */
136 0x1B2100, /* LOCK ID */
137 0x1B2128, /* FW_CAPABILITIES */
138 0x1B2138, /* drv active */
139 0x1B2140, /* dev state */
140 0x1B2144, /* drv state */
141 0x1B2148, /* drv scratch */
142 0x1B214C, /* dev partition info */
143 0x1B2174, /* drv idc ver */
144 0x1B2150, /* fw version major */
145 0x1B2154, /* fw version minor */
146 0x1B2158, /* fw version sub */
147 0x1B219C, /* npar state */
148 0x1B21FC, /* FW_IMG_VALID */
149 0x1B2250, /* CMD_PEG_STATE */
150 0x1B233C, /* RCV_PEG_STATE */
151 0x1B23B4, /* ASIC TEMP */
152 0x1B216C, /* FW api */
153 0x1B2170, /* drv op mode */
154 0x13C010, /* flash lock */
155 0x13C014, /* flash unlock */
158 static const struct qlcnic_board_info qlcnic_boards[] = {
159 {0x1077, 0x8020, 0x1077, 0x203,
160 "8200 Series Single Port 10GbE Converged Network Adapter"
161 "(TCP/IP Networking)"},
162 {0x1077, 0x8020, 0x1077, 0x207,
163 "8200 Series Dual Port 10GbE Converged Network Adapter"
164 "(TCP/IP Networking)"},
165 {0x1077, 0x8020, 0x1077, 0x20b,
166 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
167 {0x1077, 0x8020, 0x1077, 0x20c,
168 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
169 {0x1077, 0x8020, 0x1077, 0x20f,
170 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
171 {0x1077, 0x8020, 0x103c, 0x3733,
172 "NC523SFP 10Gb 2-port Server Adapter"},
173 {0x1077, 0x8020, 0x103c, 0x3346,
174 "CN1000Q Dual Port Converged Network Adapter"},
175 {0x1077, 0x8020, 0x1077, 0x210,
176 "QME8242-k 10GbE Dual Port Mezzanine Card"},
177 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
180 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
181 #define QLC_MAX_SDS_RINGS 8
184 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
186 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
188 int size = sizeof(struct qlcnic_host_sds_ring) * count;
190 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
192 return recv_ctx->sds_rings == NULL;
195 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
197 if (recv_ctx->sds_rings != NULL)
198 kfree(recv_ctx->sds_rings);
200 recv_ctx->sds_rings = NULL;
203 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
205 u8 mac_addr[ETH_ALEN];
206 struct net_device *netdev = adapter->netdev;
207 struct pci_dev *pdev = adapter->pdev;
209 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
212 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
213 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
215 /* set station address */
217 if (!is_valid_ether_addr(netdev->dev_addr))
218 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
224 static int qlcnic_set_mac(struct net_device *netdev, void *p)
226 struct qlcnic_adapter *adapter = netdev_priv(netdev);
227 struct sockaddr *addr = p;
229 if (qlcnic_sriov_vf_check(adapter))
232 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
235 if (!is_valid_ether_addr(addr->sa_data))
238 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
239 netif_device_detach(netdev);
240 qlcnic_napi_disable(adapter);
243 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
244 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
245 qlcnic_set_multi(adapter->netdev);
247 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
248 netif_device_attach(netdev);
249 qlcnic_napi_enable(adapter);
254 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
255 struct net_device *netdev, const unsigned char *addr)
257 struct qlcnic_adapter *adapter = netdev_priv(netdev);
258 int err = -EOPNOTSUPP;
260 if (!adapter->fdb_mac_learn)
261 return ndo_dflt_fdb_del(ndm, tb, netdev, addr);
263 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
264 if (is_unicast_ether_addr(addr))
265 err = qlcnic_nic_del_mac(adapter, addr);
266 else if (is_multicast_ether_addr(addr))
267 err = dev_mc_del(netdev, addr);
274 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
275 struct net_device *netdev,
276 const unsigned char *addr, u16 flags)
278 struct qlcnic_adapter *adapter = netdev_priv(netdev);
281 if (!adapter->fdb_mac_learn)
282 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
284 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
285 pr_info("%s: FDB e-switch is not enabled\n", __func__);
289 if (ether_addr_equal(addr, adapter->mac_addr))
292 if (is_unicast_ether_addr(addr))
293 err = qlcnic_nic_add_mac(adapter, addr);
294 else if (is_multicast_ether_addr(addr))
295 err = dev_mc_add_excl(netdev, addr);
302 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
303 struct net_device *netdev, int idx)
305 struct qlcnic_adapter *adapter = netdev_priv(netdev);
307 if (!adapter->fdb_mac_learn)
308 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
310 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
311 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
316 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
318 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
319 usleep_range(10000, 11000);
321 cancel_delayed_work_sync(&adapter->fw_work);
324 static const struct net_device_ops qlcnic_netdev_ops = {
325 .ndo_open = qlcnic_open,
326 .ndo_stop = qlcnic_close,
327 .ndo_start_xmit = qlcnic_xmit_frame,
328 .ndo_get_stats = qlcnic_get_stats,
329 .ndo_validate_addr = eth_validate_addr,
330 .ndo_set_rx_mode = qlcnic_set_multi,
331 .ndo_set_mac_address = qlcnic_set_mac,
332 .ndo_change_mtu = qlcnic_change_mtu,
333 .ndo_fix_features = qlcnic_fix_features,
334 .ndo_set_features = qlcnic_set_features,
335 .ndo_tx_timeout = qlcnic_tx_timeout,
336 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
337 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
338 .ndo_fdb_add = qlcnic_fdb_add,
339 .ndo_fdb_del = qlcnic_fdb_del,
340 .ndo_fdb_dump = qlcnic_fdb_dump,
341 #ifdef CONFIG_NET_POLL_CONTROLLER
342 .ndo_poll_controller = qlcnic_poll_controller,
346 static const struct net_device_ops qlcnic_netdev_failed_ops = {
347 .ndo_open = qlcnic_open,
350 static struct qlcnic_nic_template qlcnic_ops = {
351 .config_bridged_mode = qlcnic_config_bridged_mode,
352 .config_led = qlcnic_82xx_config_led,
353 .start_firmware = qlcnic_82xx_start_firmware,
354 .request_reset = qlcnic_82xx_dev_request_reset,
355 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
356 .napi_add = qlcnic_82xx_napi_add,
357 .napi_del = qlcnic_82xx_napi_del,
358 .config_ipaddr = qlcnic_82xx_config_ipaddr,
359 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
362 struct qlcnic_nic_template qlcnic_vf_ops = {
363 .config_bridged_mode = qlcnicvf_config_bridged_mode,
364 .config_led = qlcnicvf_config_led,
365 .start_firmware = qlcnicvf_start_firmware
368 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
369 .read_crb = qlcnic_82xx_read_crb,
370 .write_crb = qlcnic_82xx_write_crb,
371 .read_reg = qlcnic_82xx_hw_read_wx_2M,
372 .write_reg = qlcnic_82xx_hw_write_wx_2M,
373 .get_mac_address = qlcnic_82xx_get_mac_address,
374 .setup_intr = qlcnic_82xx_setup_intr,
375 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
376 .mbx_cmd = qlcnic_82xx_issue_cmd,
377 .get_func_no = qlcnic_82xx_get_func_no,
378 .api_lock = qlcnic_82xx_api_lock,
379 .api_unlock = qlcnic_82xx_api_unlock,
380 .add_sysfs = qlcnic_82xx_add_sysfs,
381 .remove_sysfs = qlcnic_82xx_remove_sysfs,
382 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
383 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
384 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
385 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
386 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
387 .setup_link_event = qlcnic_82xx_linkevent_request,
388 .get_nic_info = qlcnic_82xx_get_nic_info,
389 .get_pci_info = qlcnic_82xx_get_pci_info,
390 .set_nic_info = qlcnic_82xx_set_nic_info,
391 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
392 .napi_enable = qlcnic_82xx_napi_enable,
393 .napi_disable = qlcnic_82xx_napi_disable,
394 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
395 .config_rss = qlcnic_82xx_config_rss,
396 .config_hw_lro = qlcnic_82xx_config_hw_lro,
397 .config_loopback = qlcnic_82xx_set_lb_mode,
398 .clear_loopback = qlcnic_82xx_clear_lb_mode,
399 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
400 .change_l2_filter = qlcnic_82xx_change_filter,
401 .get_board_info = qlcnic_82xx_get_board_info,
404 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
406 struct pci_dev *pdev = adapter->pdev;
408 int max_tx_rings, tx_vector;
410 if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
414 max_tx_rings = adapter->max_drv_tx_rings;
418 if (!adapter->msix_entries) {
419 adapter->msix_entries = kcalloc(num_msix,
420 sizeof(struct msix_entry),
422 if (!adapter->msix_entries)
426 adapter->max_sds_rings = 1;
427 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
429 if (adapter->ahw->msix_supported) {
431 for (i = 0; i < num_msix; i++)
432 adapter->msix_entries[i].entry = i;
433 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
435 adapter->flags |= QLCNIC_MSIX_ENABLED;
436 if (qlcnic_83xx_check(adapter)) {
437 adapter->ahw->num_msix = num_msix;
438 /* subtract mail box and tx ring vectors */
439 adapter->max_sds_rings = num_msix -
442 adapter->max_sds_rings = num_msix;
444 dev_info(&pdev->dev, "using msi-x interrupts\n");
446 } else if (err > 0) {
448 "Unable to allocate %d MSI-X interrupt vectors\n",
450 if (qlcnic_83xx_check(adapter)) {
451 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
453 err -= (max_tx_rings + 1);
454 num_msix = rounddown_pow_of_two(err);
455 num_msix += (max_tx_rings + 1);
457 num_msix = rounddown_pow_of_two(err);
462 "Trying to allocate %d MSI-X interrupt vectors\n",
468 "Unable to allocate %d MSI-X interrupt vectors\n",
476 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
479 u32 offset, mask_reg;
480 const struct qlcnic_legacy_intr_set *legacy_intrp;
481 struct qlcnic_hardware_context *ahw = adapter->ahw;
482 struct pci_dev *pdev = adapter->pdev;
484 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
485 adapter->flags |= QLCNIC_MSI_ENABLED;
486 offset = msi_tgt_status[adapter->ahw->pci_func];
487 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
489 dev_info(&pdev->dev, "using msi interrupts\n");
490 adapter->msix_entries[0].vector = pdev->irq;
493 if (qlcnic_use_msi || qlcnic_use_msi_x)
496 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
497 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
498 offset = legacy_intrp->tgt_status_reg;
499 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
500 mask_reg = legacy_intrp->tgt_mask_reg;
501 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
502 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
503 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
504 dev_info(&pdev->dev, "using legacy interrupts\n");
505 adapter->msix_entries[0].vector = pdev->irq;
509 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
511 int num_msix, err = 0;
514 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS;
516 if (adapter->ahw->msix_supported)
517 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
522 err = qlcnic_enable_msix(adapter, num_msix);
523 if (err == -ENOMEM || !err)
526 err = qlcnic_enable_msi_legacy(adapter);
533 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
535 if (adapter->flags & QLCNIC_MSIX_ENABLED)
536 pci_disable_msix(adapter->pdev);
537 if (adapter->flags & QLCNIC_MSI_ENABLED)
538 pci_disable_msi(adapter->pdev);
540 kfree(adapter->msix_entries);
541 adapter->msix_entries = NULL;
543 if (adapter->ahw->intr_tbl) {
544 vfree(adapter->ahw->intr_tbl);
545 adapter->ahw->intr_tbl = NULL;
549 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
551 if (ahw->pci_base0 != NULL)
552 iounmap(ahw->pci_base0);
555 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
557 struct qlcnic_pci_info *pci_info;
560 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
561 switch (adapter->ahw->port_type) {
563 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS;
566 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS;
572 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
575 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
579 ret = qlcnic_get_pci_info(adapter, pci_info);
584 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
586 struct qlcnic_pci_info *pci_info;
587 int i, ret = 0, j = 0;
591 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
595 ret = qlcnic_get_pci_info(adapter, pci_info);
599 act_pci_func = adapter->ahw->act_pci_func;
601 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
602 act_pci_func, GFP_KERNEL);
603 if (!adapter->npars) {
608 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
609 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
610 if (!adapter->eswitch) {
615 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
616 pfn = pci_info[i].id;
618 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
619 ret = QL_STATUS_INVALID_PARAM;
623 if (!pci_info[i].active ||
624 (pci_info[i].type != QLCNIC_TYPE_NIC))
627 adapter->npars[j].pci_func = pfn;
628 adapter->npars[j].active = (u8)pci_info[i].active;
629 adapter->npars[j].type = (u8)pci_info[i].type;
630 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
631 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
632 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
636 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
637 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
638 if (qlcnic_83xx_check(adapter))
639 qlcnic_enable_eswitch(adapter, i, 1);
646 kfree(adapter->eswitch);
647 adapter->eswitch = NULL;
649 kfree(adapter->npars);
650 adapter->npars = NULL;
658 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
662 u32 data = QLCNIC_MGMT_FUNC;
663 struct qlcnic_hardware_context *ahw = adapter->ahw;
665 ret = qlcnic_api_lock(adapter);
669 if (qlcnic_config_npars) {
670 for (i = 0; i < ahw->act_pci_func; i++) {
671 id = adapter->npars[i].pci_func;
672 if (id == ahw->pci_func)
674 data |= (qlcnic_config_npars &
675 QLC_DEV_SET_DRV(0xf, id));
678 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
679 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
680 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
683 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
684 qlcnic_api_unlock(adapter);
689 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
690 const struct pci_device_id *ent)
692 u32 op_mode, priv_level;
694 /* Determine FW API version */
695 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
698 /* Find PCI function number */
699 qlcnic_get_func_no(adapter);
701 /* Determine function privilege level */
702 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
703 if (op_mode == QLC_DEV_DRV_DEFAULT)
704 priv_level = QLCNIC_MGMT_FUNC;
706 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
708 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
709 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
710 dev_info(&adapter->pdev->dev,
711 "HAL Version: %d Non Privileged function\n",
712 adapter->ahw->fw_hal_version);
713 adapter->nic_ops = &qlcnic_vf_ops;
715 adapter->nic_ops = &qlcnic_ops;
718 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
719 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
720 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
723 case PCI_DEVICE_ID_QLOGIC_QLE824X:
724 *bar = QLCNIC_82XX_BAR0_LENGTH;
726 case PCI_DEVICE_ID_QLOGIC_QLE834X:
727 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
728 *bar = QLCNIC_83XX_BAR0_LENGTH;
735 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
736 struct qlcnic_hardware_context *ahw)
739 void __iomem *mem_ptr0 = NULL;
740 unsigned long mem_len, pci_len0 = 0, bar0_len;
742 /* remap phys address */
743 mem_len = pci_resource_len(pdev, 0);
745 qlcnic_get_bar_length(pdev->device, &bar0_len);
746 if (mem_len >= bar0_len) {
748 mem_ptr0 = pci_ioremap_bar(pdev, 0);
749 if (mem_ptr0 == NULL) {
750 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
758 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
760 ahw->pci_base0 = mem_ptr0;
761 ahw->pci_len0 = pci_len0;
762 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
763 qlcnic_get_ioaddr(ahw, offset);
768 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
770 struct pci_dev *pdev = adapter->pdev;
773 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
774 if (qlcnic_boards[i].vendor == pdev->vendor &&
775 qlcnic_boards[i].device == pdev->device &&
776 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
777 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
778 sprintf(name, "%pM: %s" ,
780 qlcnic_boards[i].short_name);
788 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
792 qlcnic_check_options(struct qlcnic_adapter *adapter)
795 u32 fw_major, fw_minor, fw_build, prev_fw_version;
796 struct pci_dev *pdev = adapter->pdev;
797 struct qlcnic_hardware_context *ahw = adapter->ahw;
798 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
800 prev_fw_version = adapter->fw_version;
802 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
803 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
804 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
806 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
808 err = qlcnic_get_board_info(adapter);
810 dev_err(&pdev->dev, "Error getting board config info.\n");
813 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
814 if (fw_dump->tmpl_hdr == NULL ||
815 adapter->fw_version > prev_fw_version) {
816 if (fw_dump->tmpl_hdr)
817 vfree(fw_dump->tmpl_hdr);
818 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
820 "Supports FW dump capability\n");
824 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
825 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
827 if (adapter->ahw->port_type == QLCNIC_XGBE) {
828 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
829 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
830 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
832 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
833 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
836 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
837 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
839 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
840 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
841 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
842 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
843 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
846 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
848 adapter->num_txd = MAX_CMD_DESCRIPTORS;
850 adapter->max_rds_rings = MAX_RDS_RINGS;
854 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
857 struct qlcnic_info nic_info;
859 memset(&nic_info, 0, sizeof(struct qlcnic_info));
860 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
864 adapter->ahw->physical_port = (u8)nic_info.phys_port;
865 adapter->ahw->switch_mode = nic_info.switch_mode;
866 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
867 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
868 adapter->ahw->capabilities = nic_info.capabilities;
870 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
872 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
873 adapter->ahw->capabilities2 = temp;
875 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
876 adapter->ahw->max_mtu = nic_info.max_mtu;
878 /* Disable NPAR for 83XX */
879 if (qlcnic_83xx_check(adapter))
882 if (adapter->ahw->capabilities & BIT_6)
883 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
885 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
890 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
891 struct qlcnic_esw_func_cfg *esw_cfg)
893 if (esw_cfg->discard_tagged)
894 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
896 adapter->flags |= QLCNIC_TAGGING_ENABLED;
898 if (esw_cfg->vlan_id)
899 adapter->pvid = esw_cfg->vlan_id;
905 qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
907 struct qlcnic_adapter *adapter = netdev_priv(netdev);
908 set_bit(vid, adapter->vlans);
913 qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
915 struct qlcnic_adapter *adapter = netdev_priv(netdev);
917 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
918 clear_bit(vid, adapter->vlans);
922 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
923 struct qlcnic_esw_func_cfg *esw_cfg)
925 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
926 QLCNIC_PROMISC_DISABLED);
928 if (esw_cfg->mac_anti_spoof)
929 adapter->flags |= QLCNIC_MACSPOOF;
931 if (!esw_cfg->mac_override)
932 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
934 if (!esw_cfg->promisc_mode)
935 adapter->flags |= QLCNIC_PROMISC_DISABLED;
937 qlcnic_set_netdev_features(adapter, esw_cfg);
940 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
942 struct qlcnic_esw_func_cfg esw_cfg;
944 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
947 esw_cfg.pci_func = adapter->ahw->pci_func;
948 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
950 qlcnic_set_vlan_config(adapter, &esw_cfg);
951 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
957 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
958 struct qlcnic_esw_func_cfg *esw_cfg)
960 struct net_device *netdev = adapter->netdev;
961 unsigned long features, vlan_features;
963 if (qlcnic_83xx_check(adapter))
966 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
967 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
968 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
971 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
972 features |= (NETIF_F_TSO | NETIF_F_TSO6);
973 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
976 if (netdev->features & NETIF_F_LRO)
977 features |= NETIF_F_LRO;
979 if (esw_cfg->offload_flags & BIT_0) {
980 netdev->features |= features;
981 adapter->rx_csum = 1;
982 if (!(esw_cfg->offload_flags & BIT_1)) {
983 netdev->features &= ~NETIF_F_TSO;
984 features &= ~NETIF_F_TSO;
986 if (!(esw_cfg->offload_flags & BIT_2)) {
987 netdev->features &= ~NETIF_F_TSO6;
988 features &= ~NETIF_F_TSO6;
991 netdev->features &= ~features;
992 features &= ~features;
993 adapter->rx_csum = 0;
996 netdev->vlan_features = (features & vlan_features);
1000 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1002 u32 op_mode, priv_level;
1005 err = qlcnic_initialize_nic(adapter);
1009 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1012 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1013 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1015 if (op_mode == QLC_DEV_DRV_DEFAULT)
1016 priv_level = QLCNIC_MGMT_FUNC;
1018 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1020 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1021 if (priv_level == QLCNIC_MGMT_FUNC) {
1022 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1023 err = qlcnic_init_pci_info(adapter);
1026 /* Set privilege level for other functions */
1027 qlcnic_set_function_modes(adapter);
1028 dev_info(&adapter->pdev->dev,
1029 "HAL Version: %d, Management function\n",
1030 adapter->ahw->fw_hal_version);
1031 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1032 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1033 dev_info(&adapter->pdev->dev,
1034 "HAL Version: %d, Privileged function\n",
1035 adapter->ahw->fw_hal_version);
1039 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1044 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1046 struct qlcnic_esw_func_cfg esw_cfg;
1047 struct qlcnic_npar_info *npar;
1050 if (adapter->need_fw_reset)
1053 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1054 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1055 esw_cfg.pci_func = adapter->npars[i].pci_func;
1056 esw_cfg.mac_override = BIT_0;
1057 esw_cfg.promisc_mode = BIT_0;
1058 if (qlcnic_82xx_check(adapter)) {
1059 esw_cfg.offload_flags = BIT_0;
1060 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1061 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1063 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1065 npar = &adapter->npars[i];
1066 npar->pvid = esw_cfg.vlan_id;
1067 npar->mac_override = esw_cfg.mac_override;
1068 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1069 npar->discard_tagged = esw_cfg.discard_tagged;
1070 npar->promisc_mode = esw_cfg.promisc_mode;
1071 npar->offload_flags = esw_cfg.offload_flags;
1079 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1080 struct qlcnic_npar_info *npar, int pci_func)
1082 struct qlcnic_esw_func_cfg esw_cfg;
1083 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1084 esw_cfg.pci_func = pci_func;
1085 esw_cfg.vlan_id = npar->pvid;
1086 esw_cfg.mac_override = npar->mac_override;
1087 esw_cfg.discard_tagged = npar->discard_tagged;
1088 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1089 esw_cfg.offload_flags = npar->offload_flags;
1090 esw_cfg.promisc_mode = npar->promisc_mode;
1091 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1094 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1095 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1101 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1104 struct qlcnic_npar_info *npar;
1105 struct qlcnic_info nic_info;
1108 if (qlcnic_82xx_check(adapter))
1109 if (!adapter->need_fw_reset)
1112 /* Set the NPAR config data after FW reset */
1113 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1114 npar = &adapter->npars[i];
1115 pci_func = npar->pci_func;
1116 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1117 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1120 nic_info.min_tx_bw = npar->min_bw;
1121 nic_info.max_tx_bw = npar->max_bw;
1122 err = qlcnic_set_nic_info(adapter, &nic_info);
1126 if (npar->enable_pm) {
1127 err = qlcnic_config_port_mirroring(adapter,
1133 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1140 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1142 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1145 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1148 npar_state = QLC_SHARED_REG_RD32(adapter,
1149 QLCNIC_CRB_DEV_NPAR_STATE);
1150 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1152 npar_state = QLC_SHARED_REG_RD32(adapter,
1153 QLCNIC_CRB_DEV_NPAR_STATE);
1155 if (!npar_opt_timeo) {
1156 dev_err(&adapter->pdev->dev,
1157 "Waiting for NPAR state to operational timeout\n");
1164 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1168 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1169 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1172 err = qlcnic_set_default_offload_settings(adapter);
1176 err = qlcnic_reset_npar_config(adapter);
1180 qlcnic_dev_set_npar_ready(adapter);
1185 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1189 err = qlcnic_can_start_firmware(adapter);
1193 goto check_fw_status;
1195 if (qlcnic_load_fw_file)
1196 qlcnic_request_firmware(adapter);
1198 err = qlcnic_check_flash_fw_ver(adapter);
1202 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1205 err = qlcnic_need_fw_reset(adapter);
1207 goto check_fw_status;
1209 err = qlcnic_pinit_from_rom(adapter);
1213 err = qlcnic_load_firmware(adapter);
1217 qlcnic_release_firmware(adapter);
1218 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1221 err = qlcnic_check_fw_status(adapter);
1225 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1226 qlcnic_idc_debug_info(adapter, 1);
1227 err = qlcnic_check_eswitch_mode(adapter);
1229 dev_err(&adapter->pdev->dev,
1230 "Memory allocation failed for eswitch\n");
1233 err = qlcnic_set_mgmt_operations(adapter);
1237 qlcnic_check_options(adapter);
1238 adapter->need_fw_reset = 0;
1240 qlcnic_release_firmware(adapter);
1244 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1245 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1247 qlcnic_release_firmware(adapter);
1252 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1254 irq_handler_t handler;
1255 struct qlcnic_host_sds_ring *sds_ring;
1256 struct qlcnic_host_tx_ring *tx_ring;
1259 unsigned long flags = 0;
1260 struct net_device *netdev = adapter->netdev;
1261 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1263 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1264 if (qlcnic_82xx_check(adapter))
1265 handler = qlcnic_tmp_intr;
1266 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1267 flags |= IRQF_SHARED;
1270 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1271 handler = qlcnic_msix_intr;
1272 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1273 handler = qlcnic_msi_intr;
1275 flags |= IRQF_SHARED;
1276 if (qlcnic_82xx_check(adapter))
1277 handler = qlcnic_intr;
1279 handler = qlcnic_83xx_intr;
1282 adapter->irq = netdev->irq;
1284 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1285 if (qlcnic_82xx_check(adapter) ||
1286 (qlcnic_83xx_check(adapter) &&
1287 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1288 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1289 sds_ring = &recv_ctx->sds_rings[ring];
1290 snprintf(sds_ring->name, sizeof(int) + IFNAMSIZ,
1291 "%s[%d]", netdev->name, ring);
1292 err = request_irq(sds_ring->irq, handler, flags,
1293 sds_ring->name, sds_ring);
1298 if (qlcnic_83xx_check(adapter) &&
1299 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1300 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1301 handler = qlcnic_msix_tx_intr;
1302 for (ring = 0; ring < adapter->max_drv_tx_rings;
1304 tx_ring = &adapter->tx_ring[ring];
1305 snprintf(tx_ring->name, sizeof(int) + IFNAMSIZ,
1306 "%s[%d]", netdev->name,
1307 adapter->max_sds_rings + ring);
1308 err = request_irq(tx_ring->irq, handler, flags,
1309 tx_ring->name, tx_ring);
1319 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1322 struct qlcnic_host_sds_ring *sds_ring;
1323 struct qlcnic_host_tx_ring *tx_ring;
1325 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1327 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1328 if (qlcnic_82xx_check(adapter) ||
1329 (qlcnic_83xx_check(adapter) &&
1330 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1331 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1332 sds_ring = &recv_ctx->sds_rings[ring];
1333 free_irq(sds_ring->irq, sds_ring);
1336 if (qlcnic_83xx_check(adapter) &&
1337 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1338 for (ring = 0; ring < adapter->max_drv_tx_rings;
1340 tx_ring = &adapter->tx_ring[ring];
1342 free_irq(tx_ring->irq, tx_ring);
1348 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1352 if (qlcnic_82xx_check(adapter)) {
1353 if (adapter->ahw->capabilities2 &
1354 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1355 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1357 capab = adapter->ahw->capabilities;
1358 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1359 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1363 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1366 struct qlcnic_host_rds_ring *rds_ring;
1368 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1371 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1373 if (qlcnic_set_eswitch_port_config(adapter))
1375 qlcnic_get_lro_mss_capability(adapter);
1377 if (qlcnic_fw_create_ctx(adapter))
1380 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1381 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1382 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1385 qlcnic_set_multi(netdev);
1386 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1388 adapter->ahw->linkup = 0;
1390 if (adapter->max_sds_rings > 1)
1391 qlcnic_config_rss(adapter, 1);
1393 qlcnic_config_intr_coalesce(adapter);
1395 if (netdev->features & NETIF_F_LRO)
1396 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1398 qlcnic_napi_enable(adapter);
1400 qlcnic_linkevent_request(adapter, 1);
1402 adapter->ahw->reset_context = 0;
1403 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1407 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1412 if (netif_running(netdev))
1413 err = __qlcnic_up(adapter, netdev);
1419 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1421 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1424 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1427 if (qlcnic_sriov_vf_check(adapter))
1428 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1430 spin_lock(&adapter->tx_clean_lock);
1431 netif_carrier_off(netdev);
1432 adapter->ahw->linkup = 0;
1433 netif_tx_disable(netdev);
1435 qlcnic_free_mac_list(adapter);
1437 if (adapter->fhash.fnum)
1438 qlcnic_delete_lb_filters(adapter);
1440 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1442 qlcnic_napi_disable(adapter);
1444 qlcnic_fw_destroy_ctx(adapter);
1445 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1447 qlcnic_reset_rx_buffers_list(adapter);
1448 qlcnic_release_tx_buffers(adapter);
1449 spin_unlock(&adapter->tx_clean_lock);
1452 /* Usage: During suspend and firmware recovery module */
1454 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1457 if (netif_running(netdev))
1458 __qlcnic_down(adapter, netdev);
1464 qlcnic_attach(struct qlcnic_adapter *adapter)
1466 struct net_device *netdev = adapter->netdev;
1467 struct pci_dev *pdev = adapter->pdev;
1470 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1473 err = qlcnic_napi_add(adapter, netdev);
1477 err = qlcnic_alloc_sw_resources(adapter);
1479 dev_err(&pdev->dev, "Error in setting sw resources\n");
1480 goto err_out_napi_del;
1483 err = qlcnic_alloc_hw_resources(adapter);
1485 dev_err(&pdev->dev, "Error in setting hw resources\n");
1486 goto err_out_free_sw;
1489 err = qlcnic_request_irq(adapter);
1491 dev_err(&pdev->dev, "failed to setup interrupt\n");
1492 goto err_out_free_hw;
1495 qlcnic_create_sysfs_entries(adapter);
1497 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1501 qlcnic_free_hw_resources(adapter);
1503 qlcnic_free_sw_resources(adapter);
1505 qlcnic_napi_del(adapter);
1509 void qlcnic_detach(struct qlcnic_adapter *adapter)
1511 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1514 qlcnic_remove_sysfs_entries(adapter);
1516 qlcnic_free_hw_resources(adapter);
1517 qlcnic_release_rx_buffers(adapter);
1518 qlcnic_free_irq(adapter);
1519 qlcnic_napi_del(adapter);
1520 qlcnic_free_sw_resources(adapter);
1525 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1527 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1528 struct qlcnic_host_sds_ring *sds_ring;
1531 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1532 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1533 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1534 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1535 qlcnic_disable_int(sds_ring);
1539 qlcnic_fw_destroy_ctx(adapter);
1541 qlcnic_detach(adapter);
1543 adapter->ahw->diag_test = 0;
1544 adapter->max_sds_rings = max_sds_rings;
1546 if (qlcnic_attach(adapter))
1549 if (netif_running(netdev))
1550 __qlcnic_up(adapter, netdev);
1552 netif_device_attach(netdev);
1555 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1558 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1560 if (!adapter->recv_ctx) {
1564 /* Initialize interrupt coalesce parameters */
1565 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1566 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1567 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
1569 memset(&adapter->stats, 0, sizeof(adapter->stats));
1574 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1576 kfree(adapter->recv_ctx);
1577 adapter->recv_ctx = NULL;
1579 if (adapter->ahw->fw_dump.tmpl_hdr) {
1580 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1581 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1584 kfree(adapter->ahw->reset.buff);
1585 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1588 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1590 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1591 struct qlcnic_host_sds_ring *sds_ring;
1592 struct qlcnic_host_rds_ring *rds_ring;
1596 netif_device_detach(netdev);
1598 if (netif_running(netdev))
1599 __qlcnic_down(adapter, netdev);
1601 qlcnic_detach(adapter);
1603 adapter->max_sds_rings = 1;
1604 adapter->ahw->diag_test = test;
1605 adapter->ahw->linkup = 0;
1607 ret = qlcnic_attach(adapter);
1609 netif_device_attach(netdev);
1613 ret = qlcnic_fw_create_ctx(adapter);
1615 qlcnic_detach(adapter);
1616 netif_device_attach(netdev);
1620 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1621 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1622 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1625 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1626 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1627 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1628 qlcnic_enable_int(sds_ring);
1632 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1633 adapter->ahw->loopback_state = 0;
1634 qlcnic_linkevent_request(adapter, 1);
1637 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1642 /* Reset context in hardware only */
1644 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1646 struct net_device *netdev = adapter->netdev;
1648 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1651 netif_device_detach(netdev);
1653 qlcnic_down(adapter, netdev);
1655 qlcnic_up(adapter, netdev);
1657 netif_device_attach(netdev);
1659 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1660 dev_err(&adapter->pdev->dev, "%s:\n", __func__);
1665 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1668 struct net_device *netdev = adapter->netdev;
1670 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1673 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1675 netif_device_detach(netdev);
1677 if (netif_running(netdev))
1678 __qlcnic_down(adapter, netdev);
1680 qlcnic_detach(adapter);
1682 if (netif_running(netdev)) {
1683 err = qlcnic_attach(adapter);
1685 __qlcnic_up(adapter, netdev);
1686 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1690 netif_device_attach(netdev);
1693 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1698 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1702 struct pci_dev *pdev = adapter->pdev;
1704 adapter->rx_csum = 1;
1705 adapter->ahw->mc_enabled = 0;
1706 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
1708 netdev->netdev_ops = &qlcnic_netdev_ops;
1709 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
1711 qlcnic_change_mtu(netdev, netdev->mtu);
1713 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1715 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
1716 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
1717 NETIF_F_HW_VLAN_CTAG_RX);
1718 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1721 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
1722 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1723 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1726 if (pci_using_dac) {
1727 netdev->features |= NETIF_F_HIGHDMA;
1728 netdev->vlan_features |= NETIF_F_HIGHDMA;
1731 if (qlcnic_vlan_tx_check(adapter))
1732 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
1734 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1735 netdev->features |= NETIF_F_LRO;
1737 netdev->hw_features = netdev->features;
1738 netdev->irq = adapter->msix_entries[0].vector;
1740 err = register_netdev(netdev);
1742 dev_err(&pdev->dev, "failed to register net device\n");
1749 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1751 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1752 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1754 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1755 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1758 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1765 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
1768 struct qlcnic_host_tx_ring *tx_ring;
1770 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1771 tx_ring = &adapter->tx_ring[ring];
1772 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
1773 vfree(tx_ring->cmd_buf_arr);
1774 tx_ring->cmd_buf_arr = NULL;
1777 if (adapter->tx_ring != NULL)
1778 kfree(adapter->tx_ring);
1781 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
1782 struct net_device *netdev)
1784 int ring, vector, index;
1785 struct qlcnic_host_tx_ring *tx_ring;
1786 struct qlcnic_cmd_buffer *cmd_buf_arr;
1788 tx_ring = kcalloc(adapter->max_drv_tx_rings,
1789 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
1790 if (tx_ring == NULL)
1793 adapter->tx_ring = tx_ring;
1795 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1796 tx_ring = &adapter->tx_ring[ring];
1797 tx_ring->num_desc = adapter->num_txd;
1798 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
1799 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
1800 if (cmd_buf_arr == NULL) {
1801 qlcnic_free_tx_rings(adapter);
1804 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
1805 tx_ring->cmd_buf_arr = cmd_buf_arr;
1808 if (qlcnic_83xx_check(adapter)) {
1809 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
1810 tx_ring = &adapter->tx_ring[ring];
1811 tx_ring->adapter = adapter;
1812 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1813 index = adapter->max_sds_rings + ring;
1814 vector = adapter->msix_entries[index].vector;
1815 tx_ring->irq = vector;
1823 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1825 struct net_device *netdev = NULL;
1826 struct qlcnic_adapter *adapter = NULL;
1827 struct qlcnic_hardware_context *ahw;
1828 int err, pci_using_dac = -1;
1830 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
1832 if (pdev->is_virtfn)
1835 err = pci_enable_device(pdev);
1839 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1841 goto err_out_disable_pdev;
1844 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1846 goto err_out_disable_pdev;
1848 err = pci_request_regions(pdev, qlcnic_driver_name);
1850 goto err_out_disable_pdev;
1852 pci_set_master(pdev);
1853 pci_enable_pcie_error_reporting(pdev);
1855 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
1857 goto err_out_free_res;
1859 switch (ent->device) {
1860 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1861 ahw->hw_ops = &qlcnic_hw_ops;
1862 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
1864 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1865 qlcnic_83xx_register_map(ahw);
1867 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1868 qlcnic_sriov_vf_register_map(ahw);
1871 goto err_out_free_hw_res;
1874 err = qlcnic_setup_pci_map(pdev, ahw);
1876 goto err_out_free_hw_res;
1878 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1881 goto err_out_iounmap;
1884 SET_NETDEV_DEV(netdev, &pdev->dev);
1886 adapter = netdev_priv(netdev);
1887 adapter->netdev = netdev;
1888 adapter->pdev = pdev;
1891 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
1892 if (adapter->qlcnic_wq == NULL) {
1893 dev_err(&pdev->dev, "Failed to create workqueue\n");
1894 goto err_out_free_netdev;
1897 err = qlcnic_alloc_adapter_resources(adapter);
1899 goto err_out_free_netdev;
1901 adapter->dev_rst_time = jiffies;
1902 adapter->ahw->revision_id = pdev->revision;
1903 if (qlcnic_mac_learn == FDB_MAC_LEARN)
1904 adapter->fdb_mac_learn = true;
1905 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
1906 adapter->drv_mac_learn = true;
1907 adapter->max_drv_tx_rings = 1;
1909 rwlock_init(&adapter->ahw->crb_lock);
1910 mutex_init(&adapter->ahw->mem_lock);
1912 spin_lock_init(&adapter->tx_clean_lock);
1913 INIT_LIST_HEAD(&adapter->mac_list);
1915 if (qlcnic_82xx_check(adapter)) {
1916 qlcnic_check_vf(adapter, ent);
1917 adapter->portnum = adapter->ahw->pci_func;
1918 err = qlcnic_start_firmware(adapter);
1920 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1921 goto err_out_free_hw;
1924 err = qlcnic_setup_idc_param(adapter);
1926 goto err_out_free_hw;
1928 adapter->flags |= QLCNIC_NEED_FLR;
1929 } else if (qlcnic_83xx_check(adapter)) {
1930 qlcnic_83xx_check_vf(adapter, ent);
1931 adapter->portnum = adapter->ahw->pci_func;
1932 err = qlcnic_83xx_init(adapter, pci_using_dac);
1934 dev_err(&pdev->dev, "%s: failed\n", __func__);
1935 goto err_out_free_hw;
1937 if (qlcnic_sriov_vf_check(adapter))
1941 "%s: failed. Please Reboot\n", __func__);
1942 goto err_out_free_hw;
1945 if (qlcnic_read_mac_addr(adapter))
1946 dev_warn(&pdev->dev, "failed to read mac addr\n");
1948 if (adapter->portnum == 0) {
1949 qlcnic_get_board_name(adapter, board_name);
1951 pr_info("%s: %s Board Chip rev 0x%x\n",
1952 module_name(THIS_MODULE),
1953 board_name, adapter->ahw->revision_id);
1956 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
1958 dev_warn(&pdev->dev,
1959 "83xx adapter do not support MSI interrupts\n");
1961 err = qlcnic_setup_intr(adapter, 0);
1963 dev_err(&pdev->dev, "Failed to setup interrupt\n");
1964 goto err_out_disable_msi;
1967 if (qlcnic_83xx_check(adapter)) {
1968 err = qlcnic_83xx_setup_mbx_intr(adapter);
1970 goto err_out_disable_msi;
1973 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1975 goto err_out_disable_mbx_intr;
1977 if (qlcnic_82xx_check(adapter)) {
1978 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1979 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1980 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB)
1981 qlcnic_fw_cmd_set_drv_version(adapter);
1985 pci_set_drvdata(pdev, adapter);
1987 if (qlcnic_82xx_check(adapter))
1988 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1991 switch (adapter->ahw->port_type) {
1993 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1994 adapter->netdev->name);
1997 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1998 adapter->netdev->name);
2002 if (qlcnic_get_act_pci_func(adapter))
2003 goto err_out_disable_mbx_intr;
2005 if (adapter->drv_mac_learn)
2006 qlcnic_alloc_lb_filters_mem(adapter);
2008 qlcnic_add_sysfs(adapter);
2012 err_out_disable_mbx_intr:
2013 if (qlcnic_83xx_check(adapter))
2014 qlcnic_83xx_free_mbx_intr(adapter);
2016 err_out_disable_msi:
2017 qlcnic_teardown_intr(adapter);
2018 qlcnic_cancel_idc_work(adapter);
2019 qlcnic_clr_all_drv_state(adapter, 0);
2022 qlcnic_free_adapter_resources(adapter);
2024 err_out_free_netdev:
2025 free_netdev(netdev);
2028 qlcnic_cleanup_pci_map(ahw);
2030 err_out_free_hw_res:
2034 pci_release_regions(pdev);
2036 err_out_disable_pdev:
2037 pci_set_drvdata(pdev, NULL);
2038 pci_disable_device(pdev);
2042 static void qlcnic_remove(struct pci_dev *pdev)
2044 struct qlcnic_adapter *adapter;
2045 struct net_device *netdev;
2046 struct qlcnic_hardware_context *ahw;
2048 adapter = pci_get_drvdata(pdev);
2049 if (adapter == NULL)
2052 netdev = adapter->netdev;
2053 qlcnic_sriov_pf_disable(adapter);
2055 qlcnic_cancel_idc_work(adapter);
2058 unregister_netdev(netdev);
2059 qlcnic_sriov_cleanup(adapter);
2061 if (qlcnic_83xx_check(adapter)) {
2062 qlcnic_83xx_free_mbx_intr(adapter);
2063 qlcnic_83xx_register_nic_idc_func(adapter, 0);
2064 cancel_delayed_work_sync(&adapter->idc_aen_work);
2067 qlcnic_detach(adapter);
2069 if (adapter->npars != NULL)
2070 kfree(adapter->npars);
2071 if (adapter->eswitch != NULL)
2072 kfree(adapter->eswitch);
2074 if (qlcnic_82xx_check(adapter))
2075 qlcnic_clr_all_drv_state(adapter, 0);
2077 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2079 qlcnic_free_lb_filters_mem(adapter);
2081 qlcnic_teardown_intr(adapter);
2083 qlcnic_remove_sysfs(adapter);
2085 qlcnic_cleanup_pci_map(adapter->ahw);
2087 qlcnic_release_firmware(adapter);
2089 pci_disable_pcie_error_reporting(pdev);
2090 pci_release_regions(pdev);
2091 pci_disable_device(pdev);
2092 pci_set_drvdata(pdev, NULL);
2094 if (adapter->qlcnic_wq) {
2095 destroy_workqueue(adapter->qlcnic_wq);
2096 adapter->qlcnic_wq = NULL;
2098 qlcnic_free_adapter_resources(adapter);
2100 free_netdev(netdev);
2102 static int __qlcnic_shutdown(struct pci_dev *pdev)
2104 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2105 struct net_device *netdev = adapter->netdev;
2108 netif_device_detach(netdev);
2110 qlcnic_cancel_idc_work(adapter);
2112 if (netif_running(netdev))
2113 qlcnic_down(adapter, netdev);
2115 if (qlcnic_82xx_check(adapter))
2116 qlcnic_clr_all_drv_state(adapter, 0);
2118 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2120 retval = pci_save_state(pdev);
2123 if (qlcnic_82xx_check(adapter)) {
2124 if (qlcnic_wol_supported(adapter)) {
2125 pci_enable_wake(pdev, PCI_D3cold, 1);
2126 pci_enable_wake(pdev, PCI_D3hot, 1);
2133 static void qlcnic_shutdown(struct pci_dev *pdev)
2135 if (__qlcnic_shutdown(pdev))
2138 pci_disable_device(pdev);
2143 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2147 retval = __qlcnic_shutdown(pdev);
2151 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2156 qlcnic_resume(struct pci_dev *pdev)
2158 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2159 struct net_device *netdev = adapter->netdev;
2162 err = pci_enable_device(pdev);
2166 pci_set_power_state(pdev, PCI_D0);
2167 pci_set_master(pdev);
2168 pci_restore_state(pdev);
2170 err = qlcnic_start_firmware(adapter);
2172 dev_err(&pdev->dev, "failed to start firmware\n");
2176 if (netif_running(netdev)) {
2177 err = qlcnic_up(adapter, netdev);
2181 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2184 netif_device_attach(netdev);
2185 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2190 static int qlcnic_open(struct net_device *netdev)
2192 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2195 netif_carrier_off(netdev);
2197 err = qlcnic_attach(adapter);
2201 err = __qlcnic_up(adapter, netdev);
2205 netif_start_queue(netdev);
2210 qlcnic_detach(adapter);
2215 * qlcnic_close - Disables a network interface entry point
2217 static int qlcnic_close(struct net_device *netdev)
2219 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2221 __qlcnic_down(adapter, netdev);
2226 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2230 struct net_device *netdev = adapter->netdev;
2231 u32 filter_size = 0;
2232 u16 act_pci_func = 0;
2234 if (adapter->fhash.fmax && adapter->fhash.fhead)
2237 act_pci_func = adapter->ahw->act_pci_func;
2238 spin_lock_init(&adapter->mac_learn_lock);
2239 spin_lock_init(&adapter->rx_mac_learn_lock);
2241 if (qlcnic_82xx_check(adapter)) {
2242 filter_size = QLCNIC_LB_MAX_FILTERS;
2243 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2245 filter_size = QLC_83XX_LB_MAX_FILTERS;
2246 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2249 head = kcalloc(adapter->fhash.fbucket_size,
2250 sizeof(struct hlist_head), GFP_ATOMIC);
2255 adapter->fhash.fmax = (filter_size / act_pci_func);
2256 adapter->fhash.fhead = head;
2258 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2259 act_pci_func, adapter->fhash.fmax);
2261 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2262 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2264 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2266 head = kcalloc(adapter->rx_fhash.fbucket_size,
2267 sizeof(struct hlist_head), GFP_ATOMIC);
2272 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2273 adapter->rx_fhash.fhead = head;
2275 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2276 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2279 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2281 if (adapter->fhash.fmax && adapter->fhash.fhead)
2282 kfree(adapter->fhash.fhead);
2284 adapter->fhash.fhead = NULL;
2285 adapter->fhash.fmax = 0;
2287 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2288 kfree(adapter->rx_fhash.fhead);
2290 adapter->rx_fhash.fmax = 0;
2291 adapter->rx_fhash.fhead = NULL;
2294 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2296 struct net_device *netdev = adapter->netdev;
2297 u32 temp_state, temp_val, temp = 0;
2300 if (qlcnic_83xx_check(adapter))
2301 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2303 if (qlcnic_82xx_check(adapter))
2304 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2306 temp_state = qlcnic_get_temp_state(temp);
2307 temp_val = qlcnic_get_temp_val(temp);
2309 if (temp_state == QLCNIC_TEMP_PANIC) {
2310 dev_err(&netdev->dev,
2311 "Device temperature %d degrees C exceeds"
2312 " maximum allowed. Hardware has been shut down.\n",
2315 } else if (temp_state == QLCNIC_TEMP_WARN) {
2316 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2317 dev_err(&netdev->dev,
2318 "Device temperature %d degrees C "
2319 "exceeds operating range."
2320 " Immediate action needed.\n",
2324 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2325 dev_info(&netdev->dev,
2326 "Device temperature is now %d degrees C"
2327 " in normal range.\n", temp_val);
2330 adapter->ahw->temp = temp_state;
2334 static void qlcnic_tx_timeout(struct net_device *netdev)
2336 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2338 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2341 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2343 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
2344 adapter->need_fw_reset = 1;
2346 adapter->ahw->reset_context = 1;
2349 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2351 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2352 struct net_device_stats *stats = &netdev->stats;
2354 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2355 stats->tx_packets = adapter->stats.xmitfinished;
2356 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2357 stats->tx_bytes = adapter->stats.txbytes;
2358 stats->rx_dropped = adapter->stats.rxdropped;
2359 stats->tx_dropped = adapter->stats.txdropped;
2364 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
2368 status = readl(adapter->isr_int_vec);
2370 if (!(status & adapter->ahw->int_vec_bit))
2373 /* check interrupt state machine, to be sure */
2374 status = readl(adapter->crb_int_state_reg);
2375 if (!ISR_LEGACY_INT_TRIGGERED(status))
2378 writel(0xffffffff, adapter->tgt_status_reg);
2379 /* read twice to ensure write is flushed */
2380 readl(adapter->isr_int_vec);
2381 readl(adapter->isr_int_vec);
2386 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2388 struct qlcnic_host_sds_ring *sds_ring = data;
2389 struct qlcnic_adapter *adapter = sds_ring->adapter;
2391 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2393 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2394 writel(0xffffffff, adapter->tgt_status_reg);
2398 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2402 adapter->ahw->diag_cnt++;
2403 qlcnic_enable_int(sds_ring);
2407 static irqreturn_t qlcnic_intr(int irq, void *data)
2409 struct qlcnic_host_sds_ring *sds_ring = data;
2410 struct qlcnic_adapter *adapter = sds_ring->adapter;
2412 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2415 napi_schedule(&sds_ring->napi);
2420 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2422 struct qlcnic_host_sds_ring *sds_ring = data;
2423 struct qlcnic_adapter *adapter = sds_ring->adapter;
2425 /* clear interrupt */
2426 writel(0xffffffff, adapter->tgt_status_reg);
2428 napi_schedule(&sds_ring->napi);
2432 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2434 struct qlcnic_host_sds_ring *sds_ring = data;
2436 napi_schedule(&sds_ring->napi);
2440 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
2442 struct qlcnic_host_tx_ring *tx_ring = data;
2444 napi_schedule(&tx_ring->napi);
2448 #ifdef CONFIG_NET_POLL_CONTROLLER
2449 static void qlcnic_poll_controller(struct net_device *netdev)
2452 struct qlcnic_host_sds_ring *sds_ring;
2453 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2454 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2456 disable_irq(adapter->irq);
2457 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2458 sds_ring = &recv_ctx->sds_rings[ring];
2459 qlcnic_intr(adapter->irq, sds_ring);
2461 enable_irq(adapter->irq);
2466 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2470 val = adapter->portnum & 0xf;
2471 val |= encoding << 7;
2472 val |= (jiffies - adapter->dev_rst_time) << 8;
2474 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2475 adapter->dev_rst_time = jiffies;
2479 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2483 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2484 state != QLCNIC_DEV_NEED_QUISCENT);
2486 if (qlcnic_api_lock(adapter))
2489 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2491 if (state == QLCNIC_DEV_NEED_RESET)
2492 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2493 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2494 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2496 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2498 qlcnic_api_unlock(adapter);
2504 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2508 if (qlcnic_api_lock(adapter))
2511 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2512 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2513 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2515 qlcnic_api_unlock(adapter);
2521 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2525 if (qlcnic_api_lock(adapter))
2528 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2529 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2530 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2533 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2535 dev_info(&adapter->pdev->dev,
2536 "Device state set to Failed. Please Reboot\n");
2537 } else if (!(val & 0x11111111))
2538 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2541 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2542 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2543 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2545 qlcnic_api_unlock(adapter);
2547 adapter->fw_fail_cnt = 0;
2548 adapter->flags &= ~QLCNIC_FW_HANG;
2549 clear_bit(__QLCNIC_START_FW, &adapter->state);
2550 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2553 /* Grab api lock, before checking state */
2555 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2557 int act, state, active_mask;
2558 struct qlcnic_hardware_context *ahw = adapter->ahw;
2560 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2561 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2563 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2564 active_mask = (~(1 << (ahw->pci_func * 4)));
2565 act = act & active_mask;
2568 if (((state & 0x11111111) == (act & 0x11111111)) ||
2569 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2575 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2577 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2579 if (val != QLCNIC_DRV_IDC_VER) {
2580 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2581 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2588 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2590 u32 val, prev_state;
2591 u8 dev_init_timeo = adapter->dev_init_timeo;
2592 u8 portnum = adapter->portnum;
2595 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2598 if (qlcnic_api_lock(adapter))
2601 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2602 if (!(val & (1 << (portnum * 4)))) {
2603 QLC_DEV_SET_REF_CNT(val, portnum);
2604 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2607 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2608 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2610 switch (prev_state) {
2611 case QLCNIC_DEV_COLD:
2612 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2613 QLCNIC_DEV_INITIALIZING);
2614 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
2615 QLCNIC_DRV_IDC_VER);
2616 qlcnic_idc_debug_info(adapter, 0);
2617 qlcnic_api_unlock(adapter);
2620 case QLCNIC_DEV_READY:
2621 ret = qlcnic_check_idc_ver(adapter);
2622 qlcnic_api_unlock(adapter);
2625 case QLCNIC_DEV_NEED_RESET:
2626 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2627 QLC_DEV_SET_RST_RDY(val, portnum);
2628 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2631 case QLCNIC_DEV_NEED_QUISCENT:
2632 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2633 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2634 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2637 case QLCNIC_DEV_FAILED:
2638 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2639 qlcnic_api_unlock(adapter);
2642 case QLCNIC_DEV_INITIALIZING:
2643 case QLCNIC_DEV_QUISCENT:
2647 qlcnic_api_unlock(adapter);
2651 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2653 if (prev_state == QLCNIC_DEV_QUISCENT)
2655 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2657 if (!dev_init_timeo) {
2658 dev_err(&adapter->pdev->dev,
2659 "Waiting for device to initialize timeout\n");
2663 if (qlcnic_api_lock(adapter))
2666 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
2667 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2670 ret = qlcnic_check_idc_ver(adapter);
2671 qlcnic_api_unlock(adapter);
2677 qlcnic_fwinit_work(struct work_struct *work)
2679 struct qlcnic_adapter *adapter = container_of(work,
2680 struct qlcnic_adapter, fw_work.work);
2681 u32 dev_state = 0xf;
2684 if (qlcnic_api_lock(adapter))
2687 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2688 if (dev_state == QLCNIC_DEV_QUISCENT ||
2689 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2690 qlcnic_api_unlock(adapter);
2691 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2696 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
2697 qlcnic_api_unlock(adapter);
2701 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2702 dev_state == QLCNIC_DEV_READY) {
2703 dev_info(&adapter->pdev->dev, "Detected state change from "
2704 "DEV_NEED_RESET, skipping ack check\n");
2705 goto skip_ack_check;
2708 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2709 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2710 adapter->reset_ack_timeo);
2711 goto skip_ack_check;
2714 if (!qlcnic_check_drv_state(adapter)) {
2716 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2718 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2719 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2720 QLCNIC_DEV_INITIALIZING);
2721 set_bit(__QLCNIC_START_FW, &adapter->state);
2722 QLCDB(adapter, DRV, "Restarting fw\n");
2723 qlcnic_idc_debug_info(adapter, 0);
2724 val = QLC_SHARED_REG_RD32(adapter,
2725 QLCNIC_CRB_DRV_STATE);
2726 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2727 QLC_SHARED_REG_WR32(adapter,
2728 QLCNIC_CRB_DRV_STATE, val);
2731 qlcnic_api_unlock(adapter);
2734 if (adapter->ahw->fw_dump.enable &&
2735 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2736 QLCDB(adapter, DRV, "Take FW dump\n");
2737 qlcnic_dump_fw(adapter);
2738 adapter->flags |= QLCNIC_FW_HANG;
2742 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2743 if (!adapter->nic_ops->start_firmware(adapter)) {
2744 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2745 adapter->fw_wait_cnt = 0;
2751 qlcnic_api_unlock(adapter);
2754 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2755 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2757 switch (dev_state) {
2758 case QLCNIC_DEV_READY:
2759 if (!qlcnic_start_firmware(adapter)) {
2760 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2761 adapter->fw_wait_cnt = 0;
2764 case QLCNIC_DEV_FAILED:
2767 qlcnic_schedule_work(adapter,
2768 qlcnic_fwinit_work, FW_POLL_DELAY);
2773 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2774 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2775 netif_device_attach(adapter->netdev);
2776 qlcnic_clr_all_drv_state(adapter, 0);
2780 qlcnic_detach_work(struct work_struct *work)
2782 struct qlcnic_adapter *adapter = container_of(work,
2783 struct qlcnic_adapter, fw_work.work);
2784 struct net_device *netdev = adapter->netdev;
2787 netif_device_detach(netdev);
2789 /* Dont grab rtnl lock during Quiscent mode */
2790 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2791 if (netif_running(netdev))
2792 __qlcnic_down(adapter, netdev);
2794 qlcnic_down(adapter, netdev);
2796 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2798 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2799 dev_err(&adapter->pdev->dev,
2800 "Detaching the device: peg halt status1=0x%x\n",
2803 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2804 dev_err(&adapter->pdev->dev,
2805 "On board active cooling fan failed. "
2806 "Device has been halted.\n");
2807 dev_err(&adapter->pdev->dev,
2808 "Replace the adapter.\n");
2814 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
2815 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2816 adapter->ahw->temp);
2820 /* Dont ack if this instance is the reset owner */
2821 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2822 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2823 dev_err(&adapter->pdev->dev,
2824 "Failed to set driver state,"
2825 "detaching the device.\n");
2830 adapter->fw_wait_cnt = 0;
2832 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2837 netif_device_attach(netdev);
2838 qlcnic_clr_all_drv_state(adapter, 1);
2841 /*Transit NPAR state to NON Operational */
2843 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2847 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2848 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2851 if (qlcnic_api_lock(adapter))
2853 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2854 QLCNIC_DEV_NPAR_NON_OPER);
2855 qlcnic_api_unlock(adapter);
2858 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
2860 u32 state, xg_val = 0, gb_val = 0;
2862 qlcnic_xg_set_xg0_mask(xg_val);
2863 qlcnic_xg_set_xg1_mask(xg_val);
2864 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2865 qlcnic_gb_set_gb0_mask(gb_val);
2866 qlcnic_gb_set_gb1_mask(gb_val);
2867 qlcnic_gb_set_gb2_mask(gb_val);
2868 qlcnic_gb_set_gb3_mask(gb_val);
2869 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2870 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2872 adapter->need_fw_reset = 1;
2874 if (qlcnic_api_lock(adapter))
2877 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2879 if (state == QLCNIC_DEV_READY) {
2880 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
2881 QLCNIC_DEV_NEED_RESET);
2882 adapter->flags |= QLCNIC_FW_RESET_OWNER;
2883 QLCDB(adapter, DRV, "NEED_RESET state set\n");
2884 qlcnic_idc_debug_info(adapter, 0);
2887 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2888 QLCNIC_DEV_NPAR_NON_OPER);
2889 qlcnic_api_unlock(adapter);
2892 /* Transit to NPAR READY state from NPAR NOT READY state */
2894 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2896 if (qlcnic_api_lock(adapter))
2899 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
2900 QLCNIC_DEV_NPAR_OPER);
2901 QLCDB(adapter, DRV, "NPAR operational state set\n");
2903 qlcnic_api_unlock(adapter);
2906 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2907 work_func_t func, int delay)
2909 if (test_bit(__QLCNIC_AER, &adapter->state))
2912 INIT_DELAYED_WORK(&adapter->fw_work, func);
2913 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
2914 round_jiffies_relative(delay));
2918 qlcnic_attach_work(struct work_struct *work)
2920 struct qlcnic_adapter *adapter = container_of(work,
2921 struct qlcnic_adapter, fw_work.work);
2922 struct net_device *netdev = adapter->netdev;
2925 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
2926 npar_state = QLC_SHARED_REG_RD32(adapter,
2927 QLCNIC_CRB_DEV_NPAR_STATE);
2928 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2929 qlcnic_clr_all_drv_state(adapter, 0);
2930 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2931 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2935 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2939 if (netif_running(netdev)) {
2940 if (qlcnic_up(adapter, netdev))
2943 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2947 netif_device_attach(netdev);
2948 adapter->fw_fail_cnt = 0;
2949 adapter->flags &= ~QLCNIC_FW_HANG;
2950 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2952 if (!qlcnic_clr_drv_state(adapter))
2953 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2958 qlcnic_check_health(struct qlcnic_adapter *adapter)
2960 u32 state = 0, heartbeat;
2963 if (qlcnic_check_temp(adapter))
2966 if (adapter->need_fw_reset)
2967 qlcnic_dev_request_reset(adapter, 0);
2969 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
2970 if (state == QLCNIC_DEV_NEED_RESET) {
2971 qlcnic_set_npar_non_operational(adapter);
2972 adapter->need_fw_reset = 1;
2973 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2976 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
2977 if (heartbeat != adapter->heartbeat) {
2978 adapter->heartbeat = heartbeat;
2979 adapter->fw_fail_cnt = 0;
2980 if (adapter->need_fw_reset)
2983 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
2984 qlcnic_reset_hw_context(adapter);
2985 adapter->netdev->trans_start = jiffies;
2991 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2994 adapter->flags |= QLCNIC_FW_HANG;
2996 qlcnic_dev_request_reset(adapter, 0);
2998 if (qlcnic_auto_fw_reset)
2999 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3001 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3002 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3003 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3004 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3005 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3006 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3007 "PEG_NET_4_PC: 0x%x\n",
3009 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3010 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3011 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3012 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3013 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3014 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
3015 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3016 dev_err(&adapter->pdev->dev,
3017 "Firmware aborted with error code 0x00006700. "
3018 "Device is being reset.\n");
3020 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3021 QLCNIC_DEV_NEED_RESET;
3023 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3026 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3027 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3034 qlcnic_fw_poll_work(struct work_struct *work)
3036 struct qlcnic_adapter *adapter = container_of(work,
3037 struct qlcnic_adapter, fw_work.work);
3039 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3043 if (qlcnic_check_health(adapter))
3046 if (adapter->fhash.fnum)
3047 qlcnic_prune_lb_filters(adapter);
3050 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3053 static int qlcnic_is_first_func(struct pci_dev *pdev)
3055 struct pci_dev *oth_pdev;
3056 int val = pdev->devfn;
3059 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3060 (pdev->bus), pdev->bus->number,
3061 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3065 if (oth_pdev->current_state != PCI_D3cold) {
3066 pci_dev_put(oth_pdev);
3069 pci_dev_put(oth_pdev);
3074 static int qlcnic_attach_func(struct pci_dev *pdev)
3076 int err, first_func;
3077 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3078 struct net_device *netdev = adapter->netdev;
3080 pdev->error_state = pci_channel_io_normal;
3082 err = pci_enable_device(pdev);
3086 pci_set_power_state(pdev, PCI_D0);
3087 pci_set_master(pdev);
3088 pci_restore_state(pdev);
3090 first_func = qlcnic_is_first_func(pdev);
3092 if (qlcnic_api_lock(adapter))
3095 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3096 adapter->need_fw_reset = 1;
3097 set_bit(__QLCNIC_START_FW, &adapter->state);
3098 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3099 QLCNIC_DEV_INITIALIZING);
3100 QLCDB(adapter, DRV, "Restarting fw\n");
3102 qlcnic_api_unlock(adapter);
3104 err = qlcnic_start_firmware(adapter);
3108 qlcnic_clr_drv_state(adapter);
3109 kfree(adapter->msix_entries);
3110 adapter->msix_entries = NULL;
3111 err = qlcnic_setup_intr(adapter, 0);
3114 kfree(adapter->msix_entries);
3115 netdev_err(netdev, "failed to setup interrupt\n");
3119 if (qlcnic_83xx_check(adapter)) {
3120 /* register for NIC IDC AEN Events */
3121 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3122 err = qlcnic_83xx_setup_mbx_intr(adapter);
3124 dev_err(&adapter->pdev->dev,
3125 "failed to setup mbx interrupt\n");
3126 qlcnic_clr_all_drv_state(adapter, 1);
3127 clear_bit(__QLCNIC_AER, &adapter->state);
3132 if (netif_running(netdev)) {
3133 err = qlcnic_attach(adapter);
3135 qlcnic_clr_all_drv_state(adapter, 1);
3136 clear_bit(__QLCNIC_AER, &adapter->state);
3137 netif_device_attach(netdev);
3141 err = qlcnic_up(adapter, netdev);
3145 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3148 netif_device_attach(netdev);
3152 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3153 pci_channel_state_t state)
3155 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3156 struct net_device *netdev = adapter->netdev;
3158 if (state == pci_channel_io_perm_failure)
3159 return PCI_ERS_RESULT_DISCONNECT;
3161 if (state == pci_channel_io_normal)
3162 return PCI_ERS_RESULT_RECOVERED;
3164 set_bit(__QLCNIC_AER, &adapter->state);
3165 netif_device_detach(netdev);
3167 cancel_delayed_work_sync(&adapter->fw_work);
3169 if (netif_running(netdev))
3170 qlcnic_down(adapter, netdev);
3172 if (qlcnic_83xx_check(adapter)) {
3173 qlcnic_83xx_free_mbx_intr(adapter);
3174 qlcnic_83xx_register_nic_idc_func(adapter, 0);
3175 cancel_delayed_work_sync(&adapter->idc_aen_work);
3178 qlcnic_detach(adapter);
3179 qlcnic_teardown_intr(adapter);
3181 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3183 pci_save_state(pdev);
3184 pci_disable_device(pdev);
3186 return PCI_ERS_RESULT_NEED_RESET;
3189 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3191 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3192 PCI_ERS_RESULT_RECOVERED;
3195 static void qlcnic_io_resume(struct pci_dev *pdev)
3198 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3200 pci_cleanup_aer_uncorrect_error_status(pdev);
3201 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3202 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3204 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3209 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3213 err = qlcnic_can_start_firmware(adapter);
3217 err = qlcnic_check_npar_opertional(adapter);
3221 err = qlcnic_initialize_nic(adapter);
3225 qlcnic_check_options(adapter);
3227 err = qlcnic_set_eswitch_port_config(adapter);
3231 adapter->need_fw_reset = 0;
3236 int qlcnic_validate_max_rss(u8 max_hw, u8 val)
3240 if (max_hw > QLC_MAX_SDS_RINGS) {
3241 max_hw = QLC_MAX_SDS_RINGS;
3242 pr_info("max rss reset to %d\n", QLC_MAX_SDS_RINGS);
3245 max_allowed = rounddown_pow_of_two(min_t(int, max_hw,
3246 num_online_cpus()));
3247 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) {
3248 pr_info("rss_ring valid range [2 - %x] in powers of 2\n",
3255 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
3258 struct net_device *netdev = adapter->netdev;
3260 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3263 netif_device_detach(netdev);
3264 if (netif_running(netdev))
3265 __qlcnic_down(adapter, netdev);
3267 qlcnic_detach(adapter);
3269 if (qlcnic_83xx_check(adapter))
3270 qlcnic_83xx_free_mbx_intr(adapter);
3272 qlcnic_teardown_intr(adapter);
3273 err = qlcnic_setup_intr(adapter, data);
3275 kfree(adapter->msix_entries);
3276 netdev_err(netdev, "failed to setup interrupt\n");
3280 if (qlcnic_83xx_check(adapter)) {
3281 /* register for NIC IDC AEN Events */
3282 qlcnic_83xx_register_nic_idc_func(adapter, 1);
3283 err = qlcnic_83xx_setup_mbx_intr(adapter);
3285 dev_err(&adapter->pdev->dev,
3286 "failed to setup mbx interrupt\n");
3291 if (netif_running(netdev)) {
3292 err = qlcnic_attach(adapter);
3295 err = __qlcnic_up(adapter, netdev);
3298 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3302 netif_device_attach(netdev);
3303 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3309 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3312 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
3313 struct net_device *dev, unsigned long event)
3315 struct in_device *indev;
3317 indev = in_dev_get(dev);
3324 qlcnic_config_ipaddr(adapter,
3325 ifa->ifa_address, QLCNIC_IP_UP);
3328 qlcnic_config_ipaddr(adapter,
3329 ifa->ifa_address, QLCNIC_IP_DOWN);
3334 } endfor_ifa(indev);
3339 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
3341 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3342 struct net_device *dev;
3345 qlcnic_config_indev_addr(adapter, netdev, event);
3348 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
3349 dev = __vlan_find_dev_deep(netdev, vid);
3352 qlcnic_config_indev_addr(adapter, dev, event);
3357 static int qlcnic_netdev_event(struct notifier_block *this,
3358 unsigned long event, void *ptr)
3360 struct qlcnic_adapter *adapter;
3361 struct net_device *dev = (struct net_device *)ptr;
3367 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3368 dev = vlan_dev_real_dev(dev);
3372 if (!is_qlcnic_netdev(dev))
3375 adapter = netdev_priv(dev);
3380 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3383 qlcnic_config_indev_addr(adapter, dev, event);
3389 qlcnic_inetaddr_event(struct notifier_block *this,
3390 unsigned long event, void *ptr)
3392 struct qlcnic_adapter *adapter;
3393 struct net_device *dev;
3395 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3397 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3403 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3404 dev = vlan_dev_real_dev(dev);
3408 if (!is_qlcnic_netdev(dev))
3411 adapter = netdev_priv(dev);
3416 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3421 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3425 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3436 static struct notifier_block qlcnic_netdev_cb = {
3437 .notifier_call = qlcnic_netdev_event,
3440 static struct notifier_block qlcnic_inetaddr_cb = {
3441 .notifier_call = qlcnic_inetaddr_event,
3444 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
3447 static const struct pci_error_handlers qlcnic_err_handler = {
3448 .error_detected = qlcnic_io_error_detected,
3449 .slot_reset = qlcnic_io_slot_reset,
3450 .resume = qlcnic_io_resume,
3453 static struct pci_driver qlcnic_driver = {
3454 .name = qlcnic_driver_name,
3455 .id_table = qlcnic_pci_tbl,
3456 .probe = qlcnic_probe,
3457 .remove = qlcnic_remove,
3459 .suspend = qlcnic_suspend,
3460 .resume = qlcnic_resume,
3462 .shutdown = qlcnic_shutdown,
3463 .err_handler = &qlcnic_err_handler,
3464 #ifdef CONFIG_QLCNIC_SRIOV
3465 .sriov_configure = qlcnic_pci_sriov_configure,
3470 static int __init qlcnic_init_module(void)
3474 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3477 register_netdevice_notifier(&qlcnic_netdev_cb);
3478 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3481 ret = pci_register_driver(&qlcnic_driver);
3484 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3485 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3492 module_init(qlcnic_init_module);
3494 static void __exit qlcnic_exit_module(void)
3496 pci_unregister_driver(&qlcnic_driver);
3499 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3500 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3504 module_exit(qlcnic_exit_module);