2 * Copyright (C) 2009 - QLogic Corporation.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called "COPYING".
25 #include <linux/slab.h>
26 #include <linux/vmalloc.h>
27 #include <linux/interrupt.h>
31 #include <linux/dma-mapping.h>
32 #include <linux/if_vlan.h>
34 #include <linux/ipv6.h>
35 #include <linux/inetdevice.h>
36 #include <linux/sysfs.h>
38 MODULE_DESCRIPTION("QLogic 10 GbE Converged Ethernet Driver");
39 MODULE_LICENSE("GPL");
40 MODULE_VERSION(QLCNIC_LINUX_VERSIONID
);
41 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME
);
43 char qlcnic_driver_name
[] = "qlcnic";
44 static const char qlcnic_driver_string
[] = "QLogic Converged Ethernet Driver v"
45 QLCNIC_LINUX_VERSIONID
;
47 static int port_mode
= QLCNIC_PORT_MODE_AUTO_NEG
;
49 /* Default to restricted 1G auto-neg mode */
50 static int wol_port_mode
= 5;
52 static int use_msi
= 1;
53 module_param(use_msi
, int, 0644);
54 MODULE_PARM_DESC(use_msi
, "MSI interrupt (0=disabled, 1=enabled");
56 static int use_msi_x
= 1;
57 module_param(use_msi_x
, int, 0644);
58 MODULE_PARM_DESC(use_msi_x
, "MSI-X interrupt (0=disabled, 1=enabled");
60 static int auto_fw_reset
= AUTO_FW_RESET_ENABLED
;
61 module_param(auto_fw_reset
, int, 0644);
62 MODULE_PARM_DESC(auto_fw_reset
, "Auto firmware reset (0=disabled, 1=enabled");
64 static int __devinit
qlcnic_probe(struct pci_dev
*pdev
,
65 const struct pci_device_id
*ent
);
66 static void __devexit
qlcnic_remove(struct pci_dev
*pdev
);
67 static int qlcnic_open(struct net_device
*netdev
);
68 static int qlcnic_close(struct net_device
*netdev
);
69 static void qlcnic_tx_timeout(struct net_device
*netdev
);
70 static void qlcnic_tx_timeout_task(struct work_struct
*work
);
71 static void qlcnic_attach_work(struct work_struct
*work
);
72 static void qlcnic_fwinit_work(struct work_struct
*work
);
73 static void qlcnic_fw_poll_work(struct work_struct
*work
);
74 static void qlcnic_schedule_work(struct qlcnic_adapter
*adapter
,
75 work_func_t func
, int delay
);
76 static void qlcnic_cancel_fw_work(struct qlcnic_adapter
*adapter
);
77 static int qlcnic_poll(struct napi_struct
*napi
, int budget
);
78 #ifdef CONFIG_NET_POLL_CONTROLLER
79 static void qlcnic_poll_controller(struct net_device
*netdev
);
82 static void qlcnic_create_sysfs_entries(struct qlcnic_adapter
*adapter
);
83 static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter
*adapter
);
84 static void qlcnic_create_diag_entries(struct qlcnic_adapter
*adapter
);
85 static void qlcnic_remove_diag_entries(struct qlcnic_adapter
*adapter
);
87 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter
*adapter
);
88 static int qlcnic_can_start_firmware(struct qlcnic_adapter
*adapter
);
90 static irqreturn_t
qlcnic_tmp_intr(int irq
, void *data
);
91 static irqreturn_t
qlcnic_intr(int irq
, void *data
);
92 static irqreturn_t
qlcnic_msi_intr(int irq
, void *data
);
93 static irqreturn_t
qlcnic_msix_intr(int irq
, void *data
);
95 static struct net_device_stats
*qlcnic_get_stats(struct net_device
*netdev
);
96 static void qlcnic_config_indev_addr(struct net_device
*dev
, unsigned long);
98 /* PCI Device ID Table */
99 #define ENTRY(device) \
100 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
101 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
103 #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
105 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl
) = {
106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X
),
110 MODULE_DEVICE_TABLE(pci
, qlcnic_pci_tbl
);
114 qlcnic_update_cmd_producer(struct qlcnic_adapter
*adapter
,
115 struct qlcnic_host_tx_ring
*tx_ring
)
117 writel(tx_ring
->producer
, tx_ring
->crb_cmd_producer
);
119 if (qlcnic_tx_avail(tx_ring
) <= TX_STOP_THRESH
) {
120 netif_stop_queue(adapter
->netdev
);
122 adapter
->stats
.xmit_off
++;
126 static const u32 msi_tgt_status
[8] = {
127 ISR_INT_TARGET_STATUS
, ISR_INT_TARGET_STATUS_F1
,
128 ISR_INT_TARGET_STATUS_F2
, ISR_INT_TARGET_STATUS_F3
,
129 ISR_INT_TARGET_STATUS_F4
, ISR_INT_TARGET_STATUS_F5
,
130 ISR_INT_TARGET_STATUS_F6
, ISR_INT_TARGET_STATUS_F7
134 struct qlcnic_legacy_intr_set legacy_intr
[] = QLCNIC_LEGACY_INTR_CONFIG
;
136 static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring
*sds_ring
)
138 writel(0, sds_ring
->crb_intr_mask
);
141 static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring
*sds_ring
)
143 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
145 writel(0x1, sds_ring
->crb_intr_mask
);
147 if (!QLCNIC_IS_MSI_FAMILY(adapter
))
148 writel(0xfbff, adapter
->tgt_mask_reg
);
152 qlcnic_alloc_sds_rings(struct qlcnic_recv_context
*recv_ctx
, int count
)
154 int size
= sizeof(struct qlcnic_host_sds_ring
) * count
;
156 recv_ctx
->sds_rings
= kzalloc(size
, GFP_KERNEL
);
158 return (recv_ctx
->sds_rings
== NULL
);
162 qlcnic_free_sds_rings(struct qlcnic_recv_context
*recv_ctx
)
164 if (recv_ctx
->sds_rings
!= NULL
)
165 kfree(recv_ctx
->sds_rings
);
167 recv_ctx
->sds_rings
= NULL
;
171 qlcnic_napi_add(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
174 struct qlcnic_host_sds_ring
*sds_ring
;
175 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
177 if (qlcnic_alloc_sds_rings(recv_ctx
, adapter
->max_sds_rings
))
180 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
181 sds_ring
= &recv_ctx
->sds_rings
[ring
];
182 netif_napi_add(netdev
, &sds_ring
->napi
,
183 qlcnic_poll
, QLCNIC_NETDEV_WEIGHT
);
190 qlcnic_napi_del(struct qlcnic_adapter
*adapter
)
193 struct qlcnic_host_sds_ring
*sds_ring
;
194 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
196 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
197 sds_ring
= &recv_ctx
->sds_rings
[ring
];
198 netif_napi_del(&sds_ring
->napi
);
201 qlcnic_free_sds_rings(&adapter
->recv_ctx
);
205 qlcnic_napi_enable(struct qlcnic_adapter
*adapter
)
208 struct qlcnic_host_sds_ring
*sds_ring
;
209 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
211 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
212 sds_ring
= &recv_ctx
->sds_rings
[ring
];
213 napi_enable(&sds_ring
->napi
);
214 qlcnic_enable_int(sds_ring
);
219 qlcnic_napi_disable(struct qlcnic_adapter
*adapter
)
222 struct qlcnic_host_sds_ring
*sds_ring
;
223 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
225 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
226 sds_ring
= &recv_ctx
->sds_rings
[ring
];
227 qlcnic_disable_int(sds_ring
);
228 napi_synchronize(&sds_ring
->napi
);
229 napi_disable(&sds_ring
->napi
);
233 static void qlcnic_clear_stats(struct qlcnic_adapter
*adapter
)
235 memset(&adapter
->stats
, 0, sizeof(adapter
->stats
));
239 static int qlcnic_set_dma_mask(struct qlcnic_adapter
*adapter
)
241 struct pci_dev
*pdev
= adapter
->pdev
;
244 adapter
->pci_using_dac
= 0;
246 mask
= DMA_BIT_MASK(39);
249 if (pci_set_dma_mask(pdev
, mask
) == 0 &&
250 pci_set_consistent_dma_mask(pdev
, cmask
) == 0) {
251 adapter
->pci_using_dac
= 1;
258 /* Update addressable range if firmware supports it */
260 qlcnic_update_dma_mask(struct qlcnic_adapter
*adapter
)
262 int change
, shift
, err
;
263 u64 mask
, old_mask
, old_cmask
;
264 struct pci_dev
*pdev
= adapter
->pdev
;
268 shift
= QLCRD32(adapter
, CRB_DMA_SHIFT
);
276 old_mask
= pdev
->dma_mask
;
277 old_cmask
= pdev
->dev
.coherent_dma_mask
;
279 mask
= DMA_BIT_MASK(32+shift
);
281 err
= pci_set_dma_mask(pdev
, mask
);
285 err
= pci_set_consistent_dma_mask(pdev
, mask
);
288 dev_info(&pdev
->dev
, "using %d-bit dma mask\n", 32+shift
);
294 pci_set_dma_mask(pdev
, old_mask
);
295 pci_set_consistent_dma_mask(pdev
, old_cmask
);
299 static void qlcnic_set_port_mode(struct qlcnic_adapter
*adapter
)
303 val
= adapter
->ahw
.board_type
;
304 if ((val
== QLCNIC_BRDTYPE_P3_HMEZ
) ||
305 (val
== QLCNIC_BRDTYPE_P3_XG_LOM
)) {
306 if (port_mode
== QLCNIC_PORT_MODE_802_3_AP
) {
307 data
= QLCNIC_PORT_MODE_802_3_AP
;
308 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
309 } else if (port_mode
== QLCNIC_PORT_MODE_XG
) {
310 data
= QLCNIC_PORT_MODE_XG
;
311 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
312 } else if (port_mode
== QLCNIC_PORT_MODE_AUTO_NEG_1G
) {
313 data
= QLCNIC_PORT_MODE_AUTO_NEG_1G
;
314 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
315 } else if (port_mode
== QLCNIC_PORT_MODE_AUTO_NEG_XG
) {
316 data
= QLCNIC_PORT_MODE_AUTO_NEG_XG
;
317 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
319 data
= QLCNIC_PORT_MODE_AUTO_NEG
;
320 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
323 if ((wol_port_mode
!= QLCNIC_PORT_MODE_802_3_AP
) &&
324 (wol_port_mode
!= QLCNIC_PORT_MODE_XG
) &&
325 (wol_port_mode
!= QLCNIC_PORT_MODE_AUTO_NEG_1G
) &&
326 (wol_port_mode
!= QLCNIC_PORT_MODE_AUTO_NEG_XG
)) {
327 wol_port_mode
= QLCNIC_PORT_MODE_AUTO_NEG
;
329 QLCWR32(adapter
, QLCNIC_WOL_PORT_MODE
, wol_port_mode
);
333 static void qlcnic_set_msix_bit(struct pci_dev
*pdev
, int enable
)
338 pos
= pci_find_capability(pdev
, PCI_CAP_ID_MSIX
);
340 pci_read_config_dword(pdev
, pos
, &control
);
342 control
|= PCI_MSIX_FLAGS_ENABLE
;
345 pci_write_config_dword(pdev
, pos
, control
);
349 static void qlcnic_init_msix_entries(struct qlcnic_adapter
*adapter
, int count
)
353 for (i
= 0; i
< count
; i
++)
354 adapter
->msix_entries
[i
].entry
= i
;
358 qlcnic_read_mac_addr(struct qlcnic_adapter
*adapter
)
363 struct net_device
*netdev
= adapter
->netdev
;
364 struct pci_dev
*pdev
= adapter
->pdev
;
366 if (qlcnic_get_mac_addr(adapter
, &mac_addr
) != 0)
369 p
= (unsigned char *)&mac_addr
;
370 for (i
= 0; i
< 6; i
++)
371 netdev
->dev_addr
[i
] = *(p
+ 5 - i
);
373 memcpy(netdev
->perm_addr
, netdev
->dev_addr
, netdev
->addr_len
);
374 memcpy(adapter
->mac_addr
, netdev
->dev_addr
, netdev
->addr_len
);
376 /* set station address */
378 if (!is_valid_ether_addr(netdev
->perm_addr
))
379 dev_warn(&pdev
->dev
, "Bad MAC address %pM.\n",
385 static int qlcnic_set_mac(struct net_device
*netdev
, void *p
)
387 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
388 struct sockaddr
*addr
= p
;
390 if (!is_valid_ether_addr(addr
->sa_data
))
393 if (netif_running(netdev
)) {
394 netif_device_detach(netdev
);
395 qlcnic_napi_disable(adapter
);
398 memcpy(adapter
->mac_addr
, addr
->sa_data
, netdev
->addr_len
);
399 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
400 qlcnic_set_multi(adapter
->netdev
);
402 if (netif_running(netdev
)) {
403 netif_device_attach(netdev
);
404 qlcnic_napi_enable(adapter
);
409 static const struct net_device_ops qlcnic_netdev_ops
= {
410 .ndo_open
= qlcnic_open
,
411 .ndo_stop
= qlcnic_close
,
412 .ndo_start_xmit
= qlcnic_xmit_frame
,
413 .ndo_get_stats
= qlcnic_get_stats
,
414 .ndo_validate_addr
= eth_validate_addr
,
415 .ndo_set_multicast_list
= qlcnic_set_multi
,
416 .ndo_set_mac_address
= qlcnic_set_mac
,
417 .ndo_change_mtu
= qlcnic_change_mtu
,
418 .ndo_tx_timeout
= qlcnic_tx_timeout
,
419 #ifdef CONFIG_NET_POLL_CONTROLLER
420 .ndo_poll_controller
= qlcnic_poll_controller
,
425 qlcnic_setup_intr(struct qlcnic_adapter
*adapter
)
427 const struct qlcnic_legacy_intr_set
*legacy_intrp
;
428 struct pci_dev
*pdev
= adapter
->pdev
;
431 if (adapter
->rss_supported
) {
432 num_msix
= (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER
) ?
433 MSIX_ENTRIES_PER_ADAPTER
: 2;
437 adapter
->max_sds_rings
= 1;
439 adapter
->flags
&= ~(QLCNIC_MSI_ENABLED
| QLCNIC_MSIX_ENABLED
);
441 legacy_intrp
= &legacy_intr
[adapter
->ahw
.pci_func
];
443 adapter
->int_vec_bit
= legacy_intrp
->int_vec_bit
;
444 adapter
->tgt_status_reg
= qlcnic_get_ioaddr(adapter
,
445 legacy_intrp
->tgt_status_reg
);
446 adapter
->tgt_mask_reg
= qlcnic_get_ioaddr(adapter
,
447 legacy_intrp
->tgt_mask_reg
);
448 adapter
->isr_int_vec
= qlcnic_get_ioaddr(adapter
, ISR_INT_VECTOR
);
450 adapter
->crb_int_state_reg
= qlcnic_get_ioaddr(adapter
,
453 qlcnic_set_msix_bit(pdev
, 0);
455 if (adapter
->msix_supported
) {
457 qlcnic_init_msix_entries(adapter
, num_msix
);
458 err
= pci_enable_msix(pdev
, adapter
->msix_entries
, num_msix
);
460 adapter
->flags
|= QLCNIC_MSIX_ENABLED
;
461 qlcnic_set_msix_bit(pdev
, 1);
463 if (adapter
->rss_supported
)
464 adapter
->max_sds_rings
= num_msix
;
466 dev_info(&pdev
->dev
, "using msi-x interrupts\n");
471 pci_disable_msix(pdev
);
473 /* fall through for msi */
476 if (use_msi
&& !pci_enable_msi(pdev
)) {
477 adapter
->flags
|= QLCNIC_MSI_ENABLED
;
478 adapter
->tgt_status_reg
= qlcnic_get_ioaddr(adapter
,
479 msi_tgt_status
[adapter
->ahw
.pci_func
]);
480 dev_info(&pdev
->dev
, "using msi interrupts\n");
481 adapter
->msix_entries
[0].vector
= pdev
->irq
;
485 dev_info(&pdev
->dev
, "using legacy interrupts\n");
486 adapter
->msix_entries
[0].vector
= pdev
->irq
;
490 qlcnic_teardown_intr(struct qlcnic_adapter
*adapter
)
492 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
493 pci_disable_msix(adapter
->pdev
);
494 if (adapter
->flags
& QLCNIC_MSI_ENABLED
)
495 pci_disable_msi(adapter
->pdev
);
499 qlcnic_cleanup_pci_map(struct qlcnic_adapter
*adapter
)
501 if (adapter
->ahw
.pci_base0
!= NULL
)
502 iounmap(adapter
->ahw
.pci_base0
);
506 qlcnic_setup_pci_map(struct qlcnic_adapter
*adapter
)
508 void __iomem
*mem_ptr0
= NULL
;
509 resource_size_t mem_base
;
510 unsigned long mem_len
, pci_len0
= 0;
512 struct pci_dev
*pdev
= adapter
->pdev
;
513 int pci_func
= adapter
->ahw
.pci_func
;
516 * Set the CRB window to invalid. If any register in window 0 is
517 * accessed it should set the window to 0 and then reset it to 1.
519 adapter
->ahw
.crb_win
= -1;
520 adapter
->ahw
.ocm_win
= -1;
522 /* remap phys address */
523 mem_base
= pci_resource_start(pdev
, 0); /* 0 is for BAR 0 */
524 mem_len
= pci_resource_len(pdev
, 0);
526 if (mem_len
== QLCNIC_PCI_2MB_SIZE
) {
528 mem_ptr0
= pci_ioremap_bar(pdev
, 0);
529 if (mem_ptr0
== NULL
) {
530 dev_err(&pdev
->dev
, "failed to map PCI bar 0\n");
538 dev_info(&pdev
->dev
, "%dMB memory map\n", (int)(mem_len
>>20));
540 adapter
->ahw
.pci_base0
= mem_ptr0
;
541 adapter
->ahw
.pci_len0
= pci_len0
;
543 adapter
->ahw
.ocm_win_crb
= qlcnic_get_ioaddr(adapter
,
544 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func
)));
549 static void get_brd_name(struct qlcnic_adapter
*adapter
, char *name
)
551 struct pci_dev
*pdev
= adapter
->pdev
;
554 for (i
= 0; i
< NUM_SUPPORTED_BOARDS
; ++i
) {
555 if (qlcnic_boards
[i
].vendor
== pdev
->vendor
&&
556 qlcnic_boards
[i
].device
== pdev
->device
&&
557 qlcnic_boards
[i
].sub_vendor
== pdev
->subsystem_vendor
&&
558 qlcnic_boards
[i
].sub_device
== pdev
->subsystem_device
) {
559 strcpy(name
, qlcnic_boards
[i
].short_name
);
571 qlcnic_check_options(struct qlcnic_adapter
*adapter
)
573 u32 fw_major
, fw_minor
, fw_build
;
574 char brd_name
[QLCNIC_MAX_BOARD_NAME_LEN
];
578 struct pci_dev
*pdev
= adapter
->pdev
;
580 adapter
->driver_mismatch
= 0;
582 ptr32
= (int *)&serial_num
;
583 offset
= QLCNIC_FW_SERIAL_NUM_OFFSET
;
584 for (i
= 0; i
< 8; i
++) {
585 if (qlcnic_rom_fast_read(adapter
, offset
, &val
) == -1) {
586 dev_err(&pdev
->dev
, "error reading board info\n");
587 adapter
->driver_mismatch
= 1;
590 ptr32
[i
] = cpu_to_le32(val
);
591 offset
+= sizeof(u32
);
594 fw_major
= QLCRD32(adapter
, QLCNIC_FW_VERSION_MAJOR
);
595 fw_minor
= QLCRD32(adapter
, QLCNIC_FW_VERSION_MINOR
);
596 fw_build
= QLCRD32(adapter
, QLCNIC_FW_VERSION_SUB
);
598 adapter
->fw_version
= QLCNIC_VERSION_CODE(fw_major
, fw_minor
, fw_build
);
600 if (adapter
->portnum
== 0) {
601 get_brd_name(adapter
, brd_name
);
603 pr_info("%s: %s Board Chip rev 0x%x\n",
604 module_name(THIS_MODULE
),
605 brd_name
, adapter
->ahw
.revision_id
);
608 if (adapter
->fw_version
< QLCNIC_VERSION_CODE(3, 4, 216)) {
609 adapter
->driver_mismatch
= 1;
610 dev_warn(&pdev
->dev
, "firmware version %d.%d.%d unsupported\n",
611 fw_major
, fw_minor
, fw_build
);
615 i
= QLCRD32(adapter
, QLCNIC_SRE_MISC
);
616 adapter
->ahw
.cut_through
= (i
& 0x8000) ? 1 : 0;
618 dev_info(&pdev
->dev
, "firmware v%d.%d.%d [%s]\n",
619 fw_major
, fw_minor
, fw_build
,
620 adapter
->ahw
.cut_through
? "cut-through" : "legacy");
622 if (adapter
->fw_version
>= QLCNIC_VERSION_CODE(4, 0, 222))
623 adapter
->capabilities
= QLCRD32(adapter
, CRB_FW_CAPABILITIES_1
);
625 adapter
->flags
&= ~QLCNIC_LRO_ENABLED
;
627 if (adapter
->ahw
.port_type
== QLCNIC_XGBE
) {
628 adapter
->num_rxd
= DEFAULT_RCV_DESCRIPTORS_10G
;
629 adapter
->num_jumbo_rxd
= MAX_JUMBO_RCV_DESCRIPTORS_10G
;
630 } else if (adapter
->ahw
.port_type
== QLCNIC_GBE
) {
631 adapter
->num_rxd
= DEFAULT_RCV_DESCRIPTORS_1G
;
632 adapter
->num_jumbo_rxd
= MAX_JUMBO_RCV_DESCRIPTORS_1G
;
635 adapter
->msix_supported
= !!use_msi_x
;
636 adapter
->rss_supported
= !!use_msi_x
;
638 adapter
->num_txd
= MAX_CMD_DESCRIPTORS
;
640 adapter
->num_lro_rxd
= 0;
641 adapter
->max_rds_rings
= 2;
645 qlcnic_start_firmware(struct qlcnic_adapter
*adapter
)
647 int val
, err
, first_boot
;
649 err
= qlcnic_set_dma_mask(adapter
);
653 err
= qlcnic_can_start_firmware(adapter
);
659 first_boot
= QLCRD32(adapter
, QLCNIC_CAM_RAM(0x1fc));
660 if (first_boot
== 0x55555555)
661 /* This is the first boot after power up */
662 QLCWR32(adapter
, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC
);
664 qlcnic_request_firmware(adapter
);
666 err
= qlcnic_need_fw_reset(adapter
);
672 if (first_boot
!= 0x55555555) {
673 QLCWR32(adapter
, CRB_CMDPEG_STATE
, 0);
674 qlcnic_pinit_from_rom(adapter
);
678 QLCWR32(adapter
, CRB_DMA_SHIFT
, 0x55555555);
679 QLCWR32(adapter
, QLCNIC_PEG_HALT_STATUS1
, 0);
680 QLCWR32(adapter
, QLCNIC_PEG_HALT_STATUS2
, 0);
682 qlcnic_set_port_mode(adapter
);
684 err
= qlcnic_load_firmware(adapter
);
688 qlcnic_release_firmware(adapter
);
690 val
= (_QLCNIC_LINUX_MAJOR
<< 16)
691 | ((_QLCNIC_LINUX_MINOR
<< 8))
692 | (_QLCNIC_LINUX_SUBVERSION
);
693 QLCWR32(adapter
, CRB_DRIVER_VERSION
, val
);
696 /* Handshake with the card before we register the devices. */
697 err
= qlcnic_phantom_init(adapter
);
701 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_READY
);
703 qlcnic_update_dma_mask(adapter
);
705 qlcnic_check_options(adapter
);
707 adapter
->need_fw_reset
= 0;
709 /* fall through and release firmware */
712 qlcnic_release_firmware(adapter
);
717 qlcnic_request_irq(struct qlcnic_adapter
*adapter
)
719 irq_handler_t handler
;
720 struct qlcnic_host_sds_ring
*sds_ring
;
723 unsigned long flags
= 0;
724 struct net_device
*netdev
= adapter
->netdev
;
725 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
727 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
728 handler
= qlcnic_tmp_intr
;
729 if (!QLCNIC_IS_MSI_FAMILY(adapter
))
730 flags
|= IRQF_SHARED
;
733 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
734 handler
= qlcnic_msix_intr
;
735 else if (adapter
->flags
& QLCNIC_MSI_ENABLED
)
736 handler
= qlcnic_msi_intr
;
738 flags
|= IRQF_SHARED
;
739 handler
= qlcnic_intr
;
742 adapter
->irq
= netdev
->irq
;
744 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
745 sds_ring
= &recv_ctx
->sds_rings
[ring
];
746 sprintf(sds_ring
->name
, "%s[%d]", netdev
->name
, ring
);
747 err
= request_irq(sds_ring
->irq
, handler
,
748 flags
, sds_ring
->name
, sds_ring
);
757 qlcnic_free_irq(struct qlcnic_adapter
*adapter
)
760 struct qlcnic_host_sds_ring
*sds_ring
;
762 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
764 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
765 sds_ring
= &recv_ctx
->sds_rings
[ring
];
766 free_irq(sds_ring
->irq
, sds_ring
);
771 qlcnic_init_coalesce_defaults(struct qlcnic_adapter
*adapter
)
773 adapter
->coal
.flags
= QLCNIC_INTR_DEFAULT
;
774 adapter
->coal
.normal
.data
.rx_time_us
=
775 QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US
;
776 adapter
->coal
.normal
.data
.rx_packets
=
777 QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS
;
778 adapter
->coal
.normal
.data
.tx_time_us
=
779 QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US
;
780 adapter
->coal
.normal
.data
.tx_packets
=
781 QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS
;
785 __qlcnic_up(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
787 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
790 qlcnic_set_multi(netdev
);
791 qlcnic_fw_cmd_set_mtu(adapter
, netdev
->mtu
);
793 adapter
->ahw
.linkup
= 0;
795 if (adapter
->max_sds_rings
> 1)
796 qlcnic_config_rss(adapter
, 1);
798 qlcnic_config_intr_coalesce(adapter
);
800 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_HW_LRO
)
801 qlcnic_config_hw_lro(adapter
, QLCNIC_LRO_ENABLED
);
803 qlcnic_napi_enable(adapter
);
805 qlcnic_linkevent_request(adapter
, 1);
807 set_bit(__QLCNIC_DEV_UP
, &adapter
->state
);
811 /* Usage: During resume and firmware recovery module.*/
814 qlcnic_up(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
819 if (netif_running(netdev
))
820 err
= __qlcnic_up(adapter
, netdev
);
827 __qlcnic_down(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
829 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
832 if (!test_and_clear_bit(__QLCNIC_DEV_UP
, &adapter
->state
))
836 spin_lock(&adapter
->tx_clean_lock
);
837 netif_carrier_off(netdev
);
838 netif_tx_disable(netdev
);
840 qlcnic_free_mac_list(adapter
);
842 qlcnic_nic_set_promisc(adapter
, QLCNIC_NIU_NON_PROMISC_MODE
);
844 qlcnic_napi_disable(adapter
);
846 qlcnic_release_tx_buffers(adapter
);
847 spin_unlock(&adapter
->tx_clean_lock
);
850 /* Usage: During suspend and firmware recovery module */
853 qlcnic_down(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
856 if (netif_running(netdev
))
857 __qlcnic_down(adapter
, netdev
);
863 qlcnic_attach(struct qlcnic_adapter
*adapter
)
865 struct net_device
*netdev
= adapter
->netdev
;
866 struct pci_dev
*pdev
= adapter
->pdev
;
868 struct qlcnic_host_rds_ring
*rds_ring
;
870 if (adapter
->is_up
== QLCNIC_ADAPTER_UP_MAGIC
)
873 err
= qlcnic_init_firmware(adapter
);
877 err
= qlcnic_napi_add(adapter
, netdev
);
881 err
= qlcnic_alloc_sw_resources(adapter
);
883 dev_err(&pdev
->dev
, "Error in setting sw resources\n");
887 err
= qlcnic_alloc_hw_resources(adapter
);
889 dev_err(&pdev
->dev
, "Error in setting hw resources\n");
890 goto err_out_free_sw
;
894 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
895 rds_ring
= &adapter
->recv_ctx
.rds_rings
[ring
];
896 qlcnic_post_rx_buffers(adapter
, ring
, rds_ring
);
899 err
= qlcnic_request_irq(adapter
);
901 dev_err(&pdev
->dev
, "failed to setup interrupt\n");
902 goto err_out_free_rxbuf
;
905 qlcnic_init_coalesce_defaults(adapter
);
907 qlcnic_create_sysfs_entries(adapter
);
909 adapter
->is_up
= QLCNIC_ADAPTER_UP_MAGIC
;
913 qlcnic_release_rx_buffers(adapter
);
914 qlcnic_free_hw_resources(adapter
);
916 qlcnic_free_sw_resources(adapter
);
921 qlcnic_detach(struct qlcnic_adapter
*adapter
)
923 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
926 qlcnic_remove_sysfs_entries(adapter
);
928 qlcnic_free_hw_resources(adapter
);
929 qlcnic_release_rx_buffers(adapter
);
930 qlcnic_free_irq(adapter
);
931 qlcnic_napi_del(adapter
);
932 qlcnic_free_sw_resources(adapter
);
937 void qlcnic_diag_free_res(struct net_device
*netdev
, int max_sds_rings
)
939 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
940 struct qlcnic_host_sds_ring
*sds_ring
;
943 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
944 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
945 sds_ring
= &adapter
->recv_ctx
.sds_rings
[ring
];
946 qlcnic_disable_int(sds_ring
);
950 qlcnic_detach(adapter
);
952 adapter
->diag_test
= 0;
953 adapter
->max_sds_rings
= max_sds_rings
;
955 if (qlcnic_attach(adapter
))
958 if (netif_running(netdev
))
959 __qlcnic_up(adapter
, netdev
);
961 netif_device_attach(netdev
);
964 int qlcnic_diag_alloc_res(struct net_device
*netdev
, int test
)
966 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
967 struct qlcnic_host_sds_ring
*sds_ring
;
971 netif_device_detach(netdev
);
973 if (netif_running(netdev
))
974 __qlcnic_down(adapter
, netdev
);
976 qlcnic_detach(adapter
);
978 adapter
->max_sds_rings
= 1;
979 adapter
->diag_test
= test
;
981 ret
= qlcnic_attach(adapter
);
983 netif_device_attach(netdev
);
987 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
988 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
989 sds_ring
= &adapter
->recv_ctx
.sds_rings
[ring
];
990 qlcnic_enable_int(sds_ring
);
998 qlcnic_reset_context(struct qlcnic_adapter
*adapter
)
1001 struct net_device
*netdev
= adapter
->netdev
;
1003 if (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
1006 if (adapter
->is_up
== QLCNIC_ADAPTER_UP_MAGIC
) {
1008 netif_device_detach(netdev
);
1010 if (netif_running(netdev
))
1011 __qlcnic_down(adapter
, netdev
);
1013 qlcnic_detach(adapter
);
1015 if (netif_running(netdev
)) {
1016 err
= qlcnic_attach(adapter
);
1018 __qlcnic_up(adapter
, netdev
);
1021 netif_device_attach(netdev
);
1024 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1029 qlcnic_setup_netdev(struct qlcnic_adapter
*adapter
,
1030 struct net_device
*netdev
)
1033 struct pci_dev
*pdev
= adapter
->pdev
;
1035 adapter
->rx_csum
= 1;
1036 adapter
->mc_enabled
= 0;
1037 adapter
->max_mc_count
= 38;
1039 netdev
->netdev_ops
= &qlcnic_netdev_ops
;
1040 netdev
->watchdog_timeo
= 2*HZ
;
1042 qlcnic_change_mtu(netdev
, netdev
->mtu
);
1044 SET_ETHTOOL_OPS(netdev
, &qlcnic_ethtool_ops
);
1046 netdev
->features
|= (NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
);
1047 netdev
->features
|= (NETIF_F_GRO
);
1048 netdev
->vlan_features
|= (NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
);
1050 netdev
->features
|= (NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1051 netdev
->vlan_features
|= (NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1053 if (adapter
->pci_using_dac
) {
1054 netdev
->features
|= NETIF_F_HIGHDMA
;
1055 netdev
->vlan_features
|= NETIF_F_HIGHDMA
;
1058 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_FVLANTX
)
1059 netdev
->features
|= (NETIF_F_HW_VLAN_TX
);
1061 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_HW_LRO
)
1062 netdev
->features
|= NETIF_F_LRO
;
1064 netdev
->irq
= adapter
->msix_entries
[0].vector
;
1066 INIT_WORK(&adapter
->tx_timeout_task
, qlcnic_tx_timeout_task
);
1068 if (qlcnic_read_mac_addr(adapter
))
1069 dev_warn(&pdev
->dev
, "failed to read mac addr\n");
1071 netif_carrier_off(netdev
);
1072 netif_stop_queue(netdev
);
1074 err
= register_netdev(netdev
);
1076 dev_err(&pdev
->dev
, "failed to register net device\n");
1083 static int __devinit
1084 qlcnic_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
1086 struct net_device
*netdev
= NULL
;
1087 struct qlcnic_adapter
*adapter
= NULL
;
1089 int pci_func_id
= PCI_FUNC(pdev
->devfn
);
1090 uint8_t revision_id
;
1092 err
= pci_enable_device(pdev
);
1096 if (!(pci_resource_flags(pdev
, 0) & IORESOURCE_MEM
)) {
1098 goto err_out_disable_pdev
;
1101 err
= pci_request_regions(pdev
, qlcnic_driver_name
);
1103 goto err_out_disable_pdev
;
1105 pci_set_master(pdev
);
1107 netdev
= alloc_etherdev(sizeof(struct qlcnic_adapter
));
1109 dev_err(&pdev
->dev
, "failed to allocate net_device\n");
1111 goto err_out_free_res
;
1114 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
1116 adapter
= netdev_priv(netdev
);
1117 adapter
->netdev
= netdev
;
1118 adapter
->pdev
= pdev
;
1119 adapter
->ahw
.pci_func
= pci_func_id
;
1121 revision_id
= pdev
->revision
;
1122 adapter
->ahw
.revision_id
= revision_id
;
1124 rwlock_init(&adapter
->ahw
.crb_lock
);
1125 mutex_init(&adapter
->ahw
.mem_lock
);
1127 spin_lock_init(&adapter
->tx_clean_lock
);
1128 INIT_LIST_HEAD(&adapter
->mac_list
);
1130 err
= qlcnic_setup_pci_map(adapter
);
1132 goto err_out_free_netdev
;
1134 /* This will be reset for mezz cards */
1135 adapter
->portnum
= pci_func_id
;
1137 err
= qlcnic_get_board_info(adapter
);
1139 dev_err(&pdev
->dev
, "Error getting board config info.\n");
1140 goto err_out_iounmap
;
1143 qlcnic_setup_idc_param(adapter
);
1145 err
= qlcnic_start_firmware(adapter
);
1147 goto err_out_decr_ref
;
1150 * See if the firmware gave us a virtual-physical port mapping.
1152 adapter
->physical_port
= adapter
->portnum
;
1154 qlcnic_clear_stats(adapter
);
1156 qlcnic_setup_intr(adapter
);
1158 err
= qlcnic_setup_netdev(adapter
, netdev
);
1160 goto err_out_disable_msi
;
1162 pci_set_drvdata(pdev
, adapter
);
1164 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
1166 switch (adapter
->ahw
.port_type
) {
1168 dev_info(&adapter
->pdev
->dev
, "%s: GbE port initialized\n",
1169 adapter
->netdev
->name
);
1172 dev_info(&adapter
->pdev
->dev
, "%s: XGbE port initialized\n",
1173 adapter
->netdev
->name
);
1177 qlcnic_create_diag_entries(adapter
);
1181 err_out_disable_msi
:
1182 qlcnic_teardown_intr(adapter
);
1185 qlcnic_clr_all_drv_state(adapter
);
1188 qlcnic_cleanup_pci_map(adapter
);
1190 err_out_free_netdev
:
1191 free_netdev(netdev
);
1194 pci_release_regions(pdev
);
1196 err_out_disable_pdev
:
1197 pci_set_drvdata(pdev
, NULL
);
1198 pci_disable_device(pdev
);
1202 static void __devexit
qlcnic_remove(struct pci_dev
*pdev
)
1204 struct qlcnic_adapter
*adapter
;
1205 struct net_device
*netdev
;
1207 adapter
= pci_get_drvdata(pdev
);
1208 if (adapter
== NULL
)
1211 netdev
= adapter
->netdev
;
1213 qlcnic_cancel_fw_work(adapter
);
1215 unregister_netdev(netdev
);
1217 cancel_work_sync(&adapter
->tx_timeout_task
);
1219 qlcnic_detach(adapter
);
1221 qlcnic_clr_all_drv_state(adapter
);
1223 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1225 qlcnic_teardown_intr(adapter
);
1227 qlcnic_remove_diag_entries(adapter
);
1229 qlcnic_cleanup_pci_map(adapter
);
1231 qlcnic_release_firmware(adapter
);
1233 pci_release_regions(pdev
);
1234 pci_disable_device(pdev
);
1235 pci_set_drvdata(pdev
, NULL
);
1237 free_netdev(netdev
);
1239 static int __qlcnic_shutdown(struct pci_dev
*pdev
)
1241 struct qlcnic_adapter
*adapter
= pci_get_drvdata(pdev
);
1242 struct net_device
*netdev
= adapter
->netdev
;
1245 netif_device_detach(netdev
);
1247 qlcnic_cancel_fw_work(adapter
);
1249 if (netif_running(netdev
))
1250 qlcnic_down(adapter
, netdev
);
1252 cancel_work_sync(&adapter
->tx_timeout_task
);
1254 qlcnic_detach(adapter
);
1256 qlcnic_clr_all_drv_state(adapter
);
1258 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1260 retval
= pci_save_state(pdev
);
1264 if (qlcnic_wol_supported(adapter
)) {
1265 pci_enable_wake(pdev
, PCI_D3cold
, 1);
1266 pci_enable_wake(pdev
, PCI_D3hot
, 1);
1272 static void qlcnic_shutdown(struct pci_dev
*pdev
)
1274 if (__qlcnic_shutdown(pdev
))
1277 pci_disable_device(pdev
);
1282 qlcnic_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1286 retval
= __qlcnic_shutdown(pdev
);
1290 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
1295 qlcnic_resume(struct pci_dev
*pdev
)
1297 struct qlcnic_adapter
*adapter
= pci_get_drvdata(pdev
);
1298 struct net_device
*netdev
= adapter
->netdev
;
1301 err
= pci_enable_device(pdev
);
1305 pci_set_power_state(pdev
, PCI_D0
);
1306 pci_set_master(pdev
);
1307 pci_restore_state(pdev
);
1309 adapter
->ahw
.crb_win
= -1;
1310 adapter
->ahw
.ocm_win
= -1;
1312 err
= qlcnic_start_firmware(adapter
);
1314 dev_err(&pdev
->dev
, "failed to start firmware\n");
1318 if (netif_running(netdev
)) {
1319 err
= qlcnic_attach(adapter
);
1323 err
= qlcnic_up(adapter
, netdev
);
1325 goto err_out_detach
;
1328 qlcnic_config_indev_addr(netdev
, NETDEV_UP
);
1331 netif_device_attach(netdev
);
1332 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
1336 qlcnic_detach(adapter
);
1338 qlcnic_clr_all_drv_state(adapter
);
1339 netif_device_attach(netdev
);
1344 static int qlcnic_open(struct net_device
*netdev
)
1346 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1349 if (adapter
->driver_mismatch
)
1352 err
= qlcnic_attach(adapter
);
1356 err
= __qlcnic_up(adapter
, netdev
);
1360 netif_start_queue(netdev
);
1365 qlcnic_detach(adapter
);
1370 * qlcnic_close - Disables a network interface entry point
1372 static int qlcnic_close(struct net_device
*netdev
)
1374 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1376 __qlcnic_down(adapter
, netdev
);
1381 qlcnic_tso_check(struct net_device
*netdev
,
1382 struct qlcnic_host_tx_ring
*tx_ring
,
1383 struct cmd_desc_type0
*first_desc
,
1384 struct sk_buff
*skb
)
1386 u8 opcode
= TX_ETHER_PKT
;
1387 __be16 protocol
= skb
->protocol
;
1388 u16 flags
= 0, vid
= 0;
1390 int copied
, offset
, copy_len
, hdr_len
= 0, tso
= 0, vlan_oob
= 0;
1391 struct cmd_desc_type0
*hwdesc
;
1392 struct vlan_ethhdr
*vh
;
1393 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1395 if (protocol
== cpu_to_be16(ETH_P_8021Q
)) {
1397 vh
= (struct vlan_ethhdr
*)skb
->data
;
1398 protocol
= vh
->h_vlan_encapsulated_proto
;
1399 flags
= FLAGS_VLAN_TAGGED
;
1401 } else if (vlan_tx_tag_present(skb
)) {
1403 flags
= FLAGS_VLAN_OOB
;
1404 vid
= vlan_tx_tag_get(skb
);
1405 qlcnic_set_tx_vlan_tci(first_desc
, vid
);
1409 if ((netdev
->features
& (NETIF_F_TSO
| NETIF_F_TSO6
)) &&
1410 skb_shinfo(skb
)->gso_size
> 0) {
1412 hdr_len
= skb_transport_offset(skb
) + tcp_hdrlen(skb
);
1414 first_desc
->mss
= cpu_to_le16(skb_shinfo(skb
)->gso_size
);
1415 first_desc
->total_hdr_length
= hdr_len
;
1417 first_desc
->total_hdr_length
+= VLAN_HLEN
;
1418 first_desc
->tcp_hdr_offset
= VLAN_HLEN
;
1419 first_desc
->ip_hdr_offset
= VLAN_HLEN
;
1420 /* Only in case of TSO on vlan device */
1421 flags
|= FLAGS_VLAN_TAGGED
;
1424 opcode
= (protocol
== cpu_to_be16(ETH_P_IPV6
)) ?
1425 TX_TCP_LSO6
: TX_TCP_LSO
;
1428 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
1431 if (protocol
== cpu_to_be16(ETH_P_IP
)) {
1432 l4proto
= ip_hdr(skb
)->protocol
;
1434 if (l4proto
== IPPROTO_TCP
)
1435 opcode
= TX_TCP_PKT
;
1436 else if (l4proto
== IPPROTO_UDP
)
1437 opcode
= TX_UDP_PKT
;
1438 } else if (protocol
== cpu_to_be16(ETH_P_IPV6
)) {
1439 l4proto
= ipv6_hdr(skb
)->nexthdr
;
1441 if (l4proto
== IPPROTO_TCP
)
1442 opcode
= TX_TCPV6_PKT
;
1443 else if (l4proto
== IPPROTO_UDP
)
1444 opcode
= TX_UDPV6_PKT
;
1448 first_desc
->tcp_hdr_offset
+= skb_transport_offset(skb
);
1449 first_desc
->ip_hdr_offset
+= skb_network_offset(skb
);
1450 qlcnic_set_tx_flags_opcode(first_desc
, flags
, opcode
);
1455 /* For LSO, we need to copy the MAC/IP/TCP headers into
1456 * the descriptor ring
1458 producer
= tx_ring
->producer
;
1463 /* Create a TSO vlan header template for firmware */
1465 hwdesc
= &tx_ring
->desc_head
[producer
];
1466 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1468 copy_len
= min((int)sizeof(struct cmd_desc_type0
) - offset
,
1469 hdr_len
+ VLAN_HLEN
);
1471 vh
= (struct vlan_ethhdr
*)((char *)hwdesc
+ 2);
1472 skb_copy_from_linear_data(skb
, vh
, 12);
1473 vh
->h_vlan_proto
= htons(ETH_P_8021Q
);
1474 vh
->h_vlan_TCI
= htons(vid
);
1475 skb_copy_from_linear_data_offset(skb
, 12,
1476 (char *)vh
+ 16, copy_len
- 16);
1478 copied
= copy_len
- VLAN_HLEN
;
1481 producer
= get_next_index(producer
, tx_ring
->num_desc
);
1484 while (copied
< hdr_len
) {
1486 copy_len
= min((int)sizeof(struct cmd_desc_type0
) - offset
,
1487 (hdr_len
- copied
));
1489 hwdesc
= &tx_ring
->desc_head
[producer
];
1490 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1492 skb_copy_from_linear_data_offset(skb
, copied
,
1493 (char *)hwdesc
+ offset
, copy_len
);
1498 producer
= get_next_index(producer
, tx_ring
->num_desc
);
1501 tx_ring
->producer
= producer
;
1503 adapter
->stats
.lso_frames
++;
1507 qlcnic_map_tx_skb(struct pci_dev
*pdev
,
1508 struct sk_buff
*skb
, struct qlcnic_cmd_buffer
*pbuf
)
1510 struct qlcnic_skb_frag
*nf
;
1511 struct skb_frag_struct
*frag
;
1515 nr_frags
= skb_shinfo(skb
)->nr_frags
;
1516 nf
= &pbuf
->frag_array
[0];
1518 map
= pci_map_single(pdev
, skb
->data
,
1519 skb_headlen(skb
), PCI_DMA_TODEVICE
);
1520 if (pci_dma_mapping_error(pdev
, map
))
1524 nf
->length
= skb_headlen(skb
);
1526 for (i
= 0; i
< nr_frags
; i
++) {
1527 frag
= &skb_shinfo(skb
)->frags
[i
];
1528 nf
= &pbuf
->frag_array
[i
+1];
1530 map
= pci_map_page(pdev
, frag
->page
, frag
->page_offset
,
1531 frag
->size
, PCI_DMA_TODEVICE
);
1532 if (pci_dma_mapping_error(pdev
, map
))
1536 nf
->length
= frag
->size
;
1543 nf
= &pbuf
->frag_array
[i
+1];
1544 pci_unmap_page(pdev
, nf
->dma
, nf
->length
, PCI_DMA_TODEVICE
);
1547 nf
= &pbuf
->frag_array
[0];
1548 pci_unmap_single(pdev
, nf
->dma
, skb_headlen(skb
), PCI_DMA_TODEVICE
);
1555 qlcnic_clear_cmddesc(u64
*desc
)
1562 qlcnic_xmit_frame(struct sk_buff
*skb
, struct net_device
*netdev
)
1564 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1565 struct qlcnic_host_tx_ring
*tx_ring
= adapter
->tx_ring
;
1566 struct qlcnic_cmd_buffer
*pbuf
;
1567 struct qlcnic_skb_frag
*buffrag
;
1568 struct cmd_desc_type0
*hwdesc
, *first_desc
;
1569 struct pci_dev
*pdev
;
1573 int frag_count
, no_of_desc
;
1574 u32 num_txd
= tx_ring
->num_desc
;
1576 frag_count
= skb_shinfo(skb
)->nr_frags
+ 1;
1578 /* 4 fragments per cmd des */
1579 no_of_desc
= (frag_count
+ 3) >> 2;
1581 if (unlikely(no_of_desc
+ 2 > qlcnic_tx_avail(tx_ring
))) {
1582 netif_stop_queue(netdev
);
1583 adapter
->stats
.xmit_off
++;
1584 return NETDEV_TX_BUSY
;
1587 producer
= tx_ring
->producer
;
1588 pbuf
= &tx_ring
->cmd_buf_arr
[producer
];
1590 pdev
= adapter
->pdev
;
1592 if (qlcnic_map_tx_skb(pdev
, skb
, pbuf
)) {
1593 adapter
->stats
.tx_dma_map_error
++;
1598 pbuf
->frag_count
= frag_count
;
1600 first_desc
= hwdesc
= &tx_ring
->desc_head
[producer
];
1601 qlcnic_clear_cmddesc((u64
*)hwdesc
);
1603 qlcnic_set_tx_frags_len(first_desc
, frag_count
, skb
->len
);
1604 qlcnic_set_tx_port(first_desc
, adapter
->portnum
);
1606 for (i
= 0; i
< frag_count
; i
++) {
1610 if ((k
== 0) && (i
> 0)) {
1611 /* move to next desc.*/
1612 producer
= get_next_index(producer
, num_txd
);
1613 hwdesc
= &tx_ring
->desc_head
[producer
];
1614 qlcnic_clear_cmddesc((u64
*)hwdesc
);
1615 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1618 buffrag
= &pbuf
->frag_array
[i
];
1620 hwdesc
->buffer_length
[k
] = cpu_to_le16(buffrag
->length
);
1623 hwdesc
->addr_buffer1
= cpu_to_le64(buffrag
->dma
);
1626 hwdesc
->addr_buffer2
= cpu_to_le64(buffrag
->dma
);
1629 hwdesc
->addr_buffer3
= cpu_to_le64(buffrag
->dma
);
1632 hwdesc
->addr_buffer4
= cpu_to_le64(buffrag
->dma
);
1637 tx_ring
->producer
= get_next_index(producer
, num_txd
);
1639 qlcnic_tso_check(netdev
, tx_ring
, first_desc
, skb
);
1641 qlcnic_update_cmd_producer(adapter
, tx_ring
);
1643 adapter
->stats
.txbytes
+= skb
->len
;
1644 adapter
->stats
.xmitcalled
++;
1646 return NETDEV_TX_OK
;
1649 adapter
->stats
.txdropped
++;
1650 dev_kfree_skb_any(skb
);
1651 return NETDEV_TX_OK
;
1654 static int qlcnic_check_temp(struct qlcnic_adapter
*adapter
)
1656 struct net_device
*netdev
= adapter
->netdev
;
1657 u32 temp
, temp_state
, temp_val
;
1660 temp
= QLCRD32(adapter
, CRB_TEMP_STATE
);
1662 temp_state
= qlcnic_get_temp_state(temp
);
1663 temp_val
= qlcnic_get_temp_val(temp
);
1665 if (temp_state
== QLCNIC_TEMP_PANIC
) {
1666 dev_err(&netdev
->dev
,
1667 "Device temperature %d degrees C exceeds"
1668 " maximum allowed. Hardware has been shut down.\n",
1671 } else if (temp_state
== QLCNIC_TEMP_WARN
) {
1672 if (adapter
->temp
== QLCNIC_TEMP_NORMAL
) {
1673 dev_err(&netdev
->dev
,
1674 "Device temperature %d degrees C "
1675 "exceeds operating range."
1676 " Immediate action needed.\n",
1680 if (adapter
->temp
== QLCNIC_TEMP_WARN
) {
1681 dev_info(&netdev
->dev
,
1682 "Device temperature is now %d degrees C"
1683 " in normal range.\n", temp_val
);
1686 adapter
->temp
= temp_state
;
1690 void qlcnic_advert_link_change(struct qlcnic_adapter
*adapter
, int linkup
)
1692 struct net_device
*netdev
= adapter
->netdev
;
1694 if (adapter
->ahw
.linkup
&& !linkup
) {
1695 dev_info(&netdev
->dev
, "NIC Link is down\n");
1696 adapter
->ahw
.linkup
= 0;
1697 if (netif_running(netdev
)) {
1698 netif_carrier_off(netdev
);
1699 netif_stop_queue(netdev
);
1701 } else if (!adapter
->ahw
.linkup
&& linkup
) {
1702 dev_info(&netdev
->dev
, "NIC Link is up\n");
1703 adapter
->ahw
.linkup
= 1;
1704 if (netif_running(netdev
)) {
1705 netif_carrier_on(netdev
);
1706 netif_wake_queue(netdev
);
1711 static void qlcnic_tx_timeout(struct net_device
*netdev
)
1713 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1715 if (test_bit(__QLCNIC_RESETTING
, &adapter
->state
))
1718 dev_err(&netdev
->dev
, "transmit timeout, resetting.\n");
1719 schedule_work(&adapter
->tx_timeout_task
);
1722 static void qlcnic_tx_timeout_task(struct work_struct
*work
)
1724 struct qlcnic_adapter
*adapter
=
1725 container_of(work
, struct qlcnic_adapter
, tx_timeout_task
);
1727 if (!netif_running(adapter
->netdev
))
1730 if (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
1733 if (++adapter
->tx_timeo_cnt
>= QLCNIC_MAX_TX_TIMEOUTS
)
1736 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1737 if (!qlcnic_reset_context(adapter
)) {
1738 adapter
->netdev
->trans_start
= jiffies
;
1741 /* context reset failed, fall through for fw reset */
1745 adapter
->need_fw_reset
= 1;
1746 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1747 QLCDB(adapter
, DRV
, "Resetting adapter\n");
1750 static struct net_device_stats
*qlcnic_get_stats(struct net_device
*netdev
)
1752 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1753 struct net_device_stats
*stats
= &netdev
->stats
;
1755 memset(stats
, 0, sizeof(*stats
));
1757 stats
->rx_packets
= adapter
->stats
.rx_pkts
+ adapter
->stats
.lro_pkts
;
1758 stats
->tx_packets
= adapter
->stats
.xmitfinished
;
1759 stats
->rx_bytes
= adapter
->stats
.rxbytes
;
1760 stats
->tx_bytes
= adapter
->stats
.txbytes
;
1761 stats
->rx_dropped
= adapter
->stats
.rxdropped
;
1762 stats
->tx_dropped
= adapter
->stats
.txdropped
;
1767 static irqreturn_t
qlcnic_clear_legacy_intr(struct qlcnic_adapter
*adapter
)
1771 status
= readl(adapter
->isr_int_vec
);
1773 if (!(status
& adapter
->int_vec_bit
))
1776 /* check interrupt state machine, to be sure */
1777 status
= readl(adapter
->crb_int_state_reg
);
1778 if (!ISR_LEGACY_INT_TRIGGERED(status
))
1781 writel(0xffffffff, adapter
->tgt_status_reg
);
1782 /* read twice to ensure write is flushed */
1783 readl(adapter
->isr_int_vec
);
1784 readl(adapter
->isr_int_vec
);
1789 static irqreturn_t
qlcnic_tmp_intr(int irq
, void *data
)
1791 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1792 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1794 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
1796 else if (adapter
->flags
& QLCNIC_MSI_ENABLED
) {
1797 writel(0xffffffff, adapter
->tgt_status_reg
);
1801 if (qlcnic_clear_legacy_intr(adapter
) == IRQ_NONE
)
1805 adapter
->diag_cnt
++;
1806 qlcnic_enable_int(sds_ring
);
1810 static irqreturn_t
qlcnic_intr(int irq
, void *data
)
1812 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1813 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1815 if (qlcnic_clear_legacy_intr(adapter
) == IRQ_NONE
)
1818 napi_schedule(&sds_ring
->napi
);
1823 static irqreturn_t
qlcnic_msi_intr(int irq
, void *data
)
1825 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1826 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1828 /* clear interrupt */
1829 writel(0xffffffff, adapter
->tgt_status_reg
);
1831 napi_schedule(&sds_ring
->napi
);
1835 static irqreturn_t
qlcnic_msix_intr(int irq
, void *data
)
1837 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1839 napi_schedule(&sds_ring
->napi
);
1843 static int qlcnic_process_cmd_ring(struct qlcnic_adapter
*adapter
)
1845 u32 sw_consumer
, hw_consumer
;
1847 struct qlcnic_cmd_buffer
*buffer
;
1848 struct pci_dev
*pdev
= adapter
->pdev
;
1849 struct net_device
*netdev
= adapter
->netdev
;
1850 struct qlcnic_skb_frag
*frag
;
1852 struct qlcnic_host_tx_ring
*tx_ring
= adapter
->tx_ring
;
1854 if (!spin_trylock(&adapter
->tx_clean_lock
))
1857 sw_consumer
= tx_ring
->sw_consumer
;
1858 hw_consumer
= le32_to_cpu(*(tx_ring
->hw_consumer
));
1860 while (sw_consumer
!= hw_consumer
) {
1861 buffer
= &tx_ring
->cmd_buf_arr
[sw_consumer
];
1863 frag
= &buffer
->frag_array
[0];
1864 pci_unmap_single(pdev
, frag
->dma
, frag
->length
,
1867 for (i
= 1; i
< buffer
->frag_count
; i
++) {
1869 pci_unmap_page(pdev
, frag
->dma
, frag
->length
,
1874 adapter
->stats
.xmitfinished
++;
1875 dev_kfree_skb_any(buffer
->skb
);
1879 sw_consumer
= get_next_index(sw_consumer
, tx_ring
->num_desc
);
1880 if (++count
>= MAX_STATUS_HANDLE
)
1884 if (count
&& netif_running(netdev
)) {
1885 tx_ring
->sw_consumer
= sw_consumer
;
1889 if (netif_queue_stopped(netdev
) && netif_carrier_ok(netdev
)) {
1890 __netif_tx_lock(tx_ring
->txq
, smp_processor_id());
1891 if (qlcnic_tx_avail(tx_ring
) > TX_STOP_THRESH
) {
1892 netif_wake_queue(netdev
);
1893 adapter
->tx_timeo_cnt
= 0;
1894 adapter
->stats
.xmit_on
++;
1896 __netif_tx_unlock(tx_ring
->txq
);
1900 * If everything is freed up to consumer then check if the ring is full
1901 * If the ring is full then check if more needs to be freed and
1902 * schedule the call back again.
1904 * This happens when there are 2 CPUs. One could be freeing and the
1905 * other filling it. If the ring is full when we get out of here and
1906 * the card has already interrupted the host then the host can miss the
1909 * There is still a possible race condition and the host could miss an
1910 * interrupt. The card has to take care of this.
1912 hw_consumer
= le32_to_cpu(*(tx_ring
->hw_consumer
));
1913 done
= (sw_consumer
== hw_consumer
);
1914 spin_unlock(&adapter
->tx_clean_lock
);
1919 static int qlcnic_poll(struct napi_struct
*napi
, int budget
)
1921 struct qlcnic_host_sds_ring
*sds_ring
=
1922 container_of(napi
, struct qlcnic_host_sds_ring
, napi
);
1924 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1929 tx_complete
= qlcnic_process_cmd_ring(adapter
);
1931 work_done
= qlcnic_process_rcv_ring(sds_ring
, budget
);
1933 if ((work_done
< budget
) && tx_complete
) {
1934 napi_complete(&sds_ring
->napi
);
1935 if (test_bit(__QLCNIC_DEV_UP
, &adapter
->state
))
1936 qlcnic_enable_int(sds_ring
);
1942 #ifdef CONFIG_NET_POLL_CONTROLLER
1943 static void qlcnic_poll_controller(struct net_device
*netdev
)
1945 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1946 disable_irq(adapter
->irq
);
1947 qlcnic_intr(adapter
->irq
, adapter
);
1948 enable_irq(adapter
->irq
);
1953 qlcnic_set_drv_state(struct qlcnic_adapter
*adapter
, int state
)
1957 WARN_ON(state
!= QLCNIC_DEV_NEED_RESET
&&
1958 state
!= QLCNIC_DEV_NEED_QUISCENT
);
1960 if (qlcnic_api_lock(adapter
))
1963 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
1965 if (state
== QLCNIC_DEV_NEED_RESET
)
1966 val
|= ((u32
)0x1 << (adapter
->portnum
* 4));
1967 else if (state
== QLCNIC_DEV_NEED_QUISCENT
)
1968 val
|= ((u32
)0x1 << ((adapter
->portnum
* 4) + 1));
1970 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
1972 qlcnic_api_unlock(adapter
);
1976 qlcnic_clr_drv_state(struct qlcnic_adapter
*adapter
)
1980 if (qlcnic_api_lock(adapter
))
1983 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
1984 val
&= ~((u32
)0x3 << (adapter
->portnum
* 4));
1985 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
1987 qlcnic_api_unlock(adapter
);
1993 qlcnic_clr_all_drv_state(struct qlcnic_adapter
*adapter
)
1997 if (qlcnic_api_lock(adapter
))
2000 val
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
2001 val
&= ~((u32
)0x1 << (adapter
->portnum
* 4));
2002 QLCWR32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
, val
);
2004 if (!(val
& 0x11111111))
2005 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_COLD
);
2007 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2008 val
&= ~((u32
)0x3 << (adapter
->portnum
* 4));
2009 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2011 qlcnic_api_unlock(adapter
);
2013 adapter
->fw_fail_cnt
= 0;
2014 clear_bit(__QLCNIC_START_FW
, &adapter
->state
);
2015 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
2019 qlcnic_check_drv_state(struct qlcnic_adapter
*adapter
)
2023 state
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2024 act
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
2026 if (((state
& 0x11111111) == (act
& 0x11111111)) ||
2027 ((act
& 0x11111111) == ((state
>> 1) & 0x11111111)))
2034 qlcnic_can_start_firmware(struct qlcnic_adapter
*adapter
)
2036 u32 val
, prev_state
;
2037 u8 dev_init_timeo
= adapter
->dev_init_timeo
;
2038 int portnum
= adapter
->portnum
;
2040 if (qlcnic_api_lock(adapter
))
2043 val
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
2044 if (!(val
& ((int)0x1 << (portnum
* 4)))) {
2045 val
|= ((u32
)0x1 << (portnum
* 4));
2046 QLCWR32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
, val
);
2047 } else if (test_and_clear_bit(__QLCNIC_START_FW
, &adapter
->state
)) {
2051 prev_state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2052 QLCDB(adapter
, HW
, "Device state = %u\n", prev_state
);
2054 switch (prev_state
) {
2055 case QLCNIC_DEV_COLD
:
2057 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_INITIALIZING
);
2058 qlcnic_api_unlock(adapter
);
2061 case QLCNIC_DEV_READY
:
2062 qlcnic_api_unlock(adapter
);
2065 case QLCNIC_DEV_NEED_RESET
:
2066 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2067 val
|= ((u32
)0x1 << (portnum
* 4));
2068 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2071 case QLCNIC_DEV_NEED_QUISCENT
:
2072 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2073 val
|= ((u32
)0x1 << ((portnum
* 4) + 1));
2074 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2077 case QLCNIC_DEV_FAILED
:
2078 qlcnic_api_unlock(adapter
);
2081 case QLCNIC_DEV_INITIALIZING
:
2082 case QLCNIC_DEV_QUISCENT
:
2086 qlcnic_api_unlock(adapter
);
2090 } while ((QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
) != QLCNIC_DEV_READY
)
2091 && --dev_init_timeo
);
2093 if (!dev_init_timeo
) {
2094 dev_err(&adapter
->pdev
->dev
,
2095 "Waiting for device to initialize timeout\n");
2099 if (qlcnic_api_lock(adapter
))
2102 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2103 val
&= ~((u32
)0x3 << (portnum
* 4));
2104 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2106 qlcnic_api_unlock(adapter
);
2112 qlcnic_fwinit_work(struct work_struct
*work
)
2114 struct qlcnic_adapter
*adapter
= container_of(work
,
2115 struct qlcnic_adapter
, fw_work
.work
);
2118 if (test_bit(__QLCNIC_START_FW
, &adapter
->state
)) {
2120 if (qlcnic_check_drv_state(adapter
) &&
2121 (adapter
->fw_wait_cnt
++ < adapter
->reset_ack_timeo
)) {
2122 qlcnic_schedule_work(adapter
,
2123 qlcnic_fwinit_work
, FW_POLL_DELAY
);
2127 QLCDB(adapter
, DRV
, "Resetting FW\n");
2128 if (!qlcnic_start_firmware(adapter
)) {
2129 qlcnic_schedule_work(adapter
, qlcnic_attach_work
, 0);
2136 if (adapter
->fw_wait_cnt
++ > (adapter
->dev_init_timeo
/ 2)) {
2137 dev_err(&adapter
->pdev
->dev
,
2138 "Waiting for device to reset timeout\n");
2142 dev_state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2143 QLCDB(adapter
, HW
, "Func waiting: Device state=%d\n", dev_state
);
2145 switch (dev_state
) {
2146 case QLCNIC_DEV_READY
:
2147 if (!qlcnic_start_firmware(adapter
)) {
2148 qlcnic_schedule_work(adapter
, qlcnic_attach_work
, 0);
2151 case QLCNIC_DEV_FAILED
:
2155 qlcnic_schedule_work(adapter
,
2156 qlcnic_fwinit_work
, 2 * FW_POLL_DELAY
);
2161 netif_device_attach(adapter
->netdev
);
2162 qlcnic_clr_all_drv_state(adapter
);
2166 qlcnic_detach_work(struct work_struct
*work
)
2168 struct qlcnic_adapter
*adapter
= container_of(work
,
2169 struct qlcnic_adapter
, fw_work
.work
);
2170 struct net_device
*netdev
= adapter
->netdev
;
2173 netif_device_detach(netdev
);
2175 qlcnic_down(adapter
, netdev
);
2178 qlcnic_detach(adapter
);
2181 status
= QLCRD32(adapter
, QLCNIC_PEG_HALT_STATUS1
);
2183 if (status
& QLCNIC_RCODE_FATAL_ERROR
)
2186 if (adapter
->temp
== QLCNIC_TEMP_PANIC
)
2189 qlcnic_set_drv_state(adapter
, adapter
->dev_state
);
2191 adapter
->fw_wait_cnt
= 0;
2193 qlcnic_schedule_work(adapter
, qlcnic_fwinit_work
, FW_POLL_DELAY
);
2198 dev_err(&adapter
->pdev
->dev
, "detach failed; status=%d temp=%d\n",
2199 status
, adapter
->temp
);
2200 netif_device_attach(netdev
);
2201 qlcnic_clr_all_drv_state(adapter
);
2206 qlcnic_dev_request_reset(struct qlcnic_adapter
*adapter
)
2210 if (qlcnic_api_lock(adapter
))
2213 state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2215 if (state
!= QLCNIC_DEV_INITIALIZING
&&
2216 state
!= QLCNIC_DEV_NEED_RESET
) {
2217 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_NEED_RESET
);
2218 set_bit(__QLCNIC_START_FW
, &adapter
->state
);
2219 QLCDB(adapter
, DRV
, "NEED_RESET state set\n");
2222 qlcnic_api_unlock(adapter
);
2226 qlcnic_schedule_work(struct qlcnic_adapter
*adapter
,
2227 work_func_t func
, int delay
)
2229 INIT_DELAYED_WORK(&adapter
->fw_work
, func
);
2230 schedule_delayed_work(&adapter
->fw_work
, round_jiffies_relative(delay
));
2234 qlcnic_cancel_fw_work(struct qlcnic_adapter
*adapter
)
2236 while (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
2239 cancel_delayed_work_sync(&adapter
->fw_work
);
2243 qlcnic_attach_work(struct work_struct
*work
)
2245 struct qlcnic_adapter
*adapter
= container_of(work
,
2246 struct qlcnic_adapter
, fw_work
.work
);
2247 struct net_device
*netdev
= adapter
->netdev
;
2250 if (netif_running(netdev
)) {
2251 err
= qlcnic_attach(adapter
);
2255 err
= qlcnic_up(adapter
, netdev
);
2257 qlcnic_detach(adapter
);
2261 qlcnic_config_indev_addr(netdev
, NETDEV_UP
);
2265 netif_device_attach(netdev
);
2266 adapter
->fw_fail_cnt
= 0;
2267 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
2269 if (!qlcnic_clr_drv_state(adapter
))
2270 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
,
2275 qlcnic_check_health(struct qlcnic_adapter
*adapter
)
2277 u32 state
= 0, heartbit
;
2278 struct net_device
*netdev
= adapter
->netdev
;
2280 if (qlcnic_check_temp(adapter
))
2283 if (adapter
->need_fw_reset
) {
2284 qlcnic_dev_request_reset(adapter
);
2288 state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2289 if (state
== QLCNIC_DEV_NEED_RESET
|| state
== QLCNIC_DEV_NEED_QUISCENT
)
2290 adapter
->need_fw_reset
= 1;
2292 heartbit
= QLCRD32(adapter
, QLCNIC_PEG_ALIVE_COUNTER
);
2293 if (heartbit
!= adapter
->heartbit
) {
2294 adapter
->heartbit
= heartbit
;
2295 adapter
->fw_fail_cnt
= 0;
2296 if (adapter
->need_fw_reset
)
2301 if (++adapter
->fw_fail_cnt
< FW_FAIL_THRESH
)
2304 qlcnic_dev_request_reset(adapter
);
2306 clear_bit(__QLCNIC_FW_ATTACHED
, &adapter
->state
);
2308 dev_info(&netdev
->dev
, "firmware hang detected\n");
2311 adapter
->dev_state
= (state
== QLCNIC_DEV_NEED_QUISCENT
) ? state
:
2312 QLCNIC_DEV_NEED_RESET
;
2314 if ((auto_fw_reset
== AUTO_FW_RESET_ENABLED
) &&
2315 !test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
)) {
2317 qlcnic_schedule_work(adapter
, qlcnic_detach_work
, 0);
2318 QLCDB(adapter
, DRV
, "fw recovery scheduled.\n");
2325 qlcnic_fw_poll_work(struct work_struct
*work
)
2327 struct qlcnic_adapter
*adapter
= container_of(work
,
2328 struct qlcnic_adapter
, fw_work
.work
);
2330 if (test_bit(__QLCNIC_RESETTING
, &adapter
->state
))
2334 if (qlcnic_check_health(adapter
))
2338 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
2342 qlcnic_store_bridged_mode(struct device
*dev
,
2343 struct device_attribute
*attr
, const char *buf
, size_t len
)
2345 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2349 if (!(adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
))
2352 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2355 if (strict_strtoul(buf
, 2, &new))
2358 if (!qlcnic_config_bridged_mode(adapter
, !!new))
2366 qlcnic_show_bridged_mode(struct device
*dev
,
2367 struct device_attribute
*attr
, char *buf
)
2369 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2370 int bridged_mode
= 0;
2372 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2373 bridged_mode
= !!(adapter
->flags
& QLCNIC_BRIDGE_ENABLED
);
2375 return sprintf(buf
, "%d\n", bridged_mode
);
2378 static struct device_attribute dev_attr_bridged_mode
= {
2379 .attr
= {.name
= "bridged_mode", .mode
= (S_IRUGO
| S_IWUSR
)},
2380 .show
= qlcnic_show_bridged_mode
,
2381 .store
= qlcnic_store_bridged_mode
,
2385 qlcnic_store_diag_mode(struct device
*dev
,
2386 struct device_attribute
*attr
, const char *buf
, size_t len
)
2388 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2391 if (strict_strtoul(buf
, 2, &new))
2394 if (!!new != !!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2395 adapter
->flags
^= QLCNIC_DIAG_ENABLED
;
2401 qlcnic_show_diag_mode(struct device
*dev
,
2402 struct device_attribute
*attr
, char *buf
)
2404 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2406 return sprintf(buf
, "%d\n",
2407 !!(adapter
->flags
& QLCNIC_DIAG_ENABLED
));
2410 static struct device_attribute dev_attr_diag_mode
= {
2411 .attr
= {.name
= "diag_mode", .mode
= (S_IRUGO
| S_IWUSR
)},
2412 .show
= qlcnic_show_diag_mode
,
2413 .store
= qlcnic_store_diag_mode
,
2417 qlcnic_sysfs_validate_crb(struct qlcnic_adapter
*adapter
,
2418 loff_t offset
, size_t size
)
2420 size_t crb_size
= 4;
2422 if (!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2425 if (offset
< QLCNIC_PCI_CRBSPACE
) {
2426 if (ADDR_IN_RANGE(offset
, QLCNIC_PCI_CAMQM
,
2427 QLCNIC_PCI_CAMQM_END
))
2433 if ((size
!= crb_size
) || (offset
& (crb_size
-1)))
2440 qlcnic_sysfs_read_crb(struct kobject
*kobj
, struct bin_attribute
*attr
,
2441 char *buf
, loff_t offset
, size_t size
)
2443 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2444 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2449 ret
= qlcnic_sysfs_validate_crb(adapter
, offset
, size
);
2453 if (ADDR_IN_RANGE(offset
, QLCNIC_PCI_CAMQM
, QLCNIC_PCI_CAMQM_END
)) {
2454 qlcnic_pci_camqm_read_2M(adapter
, offset
, &qmdata
);
2455 memcpy(buf
, &qmdata
, size
);
2457 data
= QLCRD32(adapter
, offset
);
2458 memcpy(buf
, &data
, size
);
2464 qlcnic_sysfs_write_crb(struct kobject
*kobj
, struct bin_attribute
*attr
,
2465 char *buf
, loff_t offset
, size_t size
)
2467 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2468 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2473 ret
= qlcnic_sysfs_validate_crb(adapter
, offset
, size
);
2477 if (ADDR_IN_RANGE(offset
, QLCNIC_PCI_CAMQM
, QLCNIC_PCI_CAMQM_END
)) {
2478 memcpy(&qmdata
, buf
, size
);
2479 qlcnic_pci_camqm_write_2M(adapter
, offset
, qmdata
);
2481 memcpy(&data
, buf
, size
);
2482 QLCWR32(adapter
, offset
, data
);
2488 qlcnic_sysfs_validate_mem(struct qlcnic_adapter
*adapter
,
2489 loff_t offset
, size_t size
)
2491 if (!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2494 if ((size
!= 8) || (offset
& 0x7))
2501 qlcnic_sysfs_read_mem(struct kobject
*kobj
, struct bin_attribute
*attr
,
2502 char *buf
, loff_t offset
, size_t size
)
2504 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2505 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2509 ret
= qlcnic_sysfs_validate_mem(adapter
, offset
, size
);
2513 if (qlcnic_pci_mem_read_2M(adapter
, offset
, &data
))
2516 memcpy(buf
, &data
, size
);
2522 qlcnic_sysfs_write_mem(struct kobject
*kobj
, struct bin_attribute
*attr
,
2523 char *buf
, loff_t offset
, size_t size
)
2525 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2526 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2530 ret
= qlcnic_sysfs_validate_mem(adapter
, offset
, size
);
2534 memcpy(&data
, buf
, size
);
2536 if (qlcnic_pci_mem_write_2M(adapter
, offset
, data
))
2543 static struct bin_attribute bin_attr_crb
= {
2544 .attr
= {.name
= "crb", .mode
= (S_IRUGO
| S_IWUSR
)},
2546 .read
= qlcnic_sysfs_read_crb
,
2547 .write
= qlcnic_sysfs_write_crb
,
2550 static struct bin_attribute bin_attr_mem
= {
2551 .attr
= {.name
= "mem", .mode
= (S_IRUGO
| S_IWUSR
)},
2553 .read
= qlcnic_sysfs_read_mem
,
2554 .write
= qlcnic_sysfs_write_mem
,
2558 qlcnic_create_sysfs_entries(struct qlcnic_adapter
*adapter
)
2560 struct device
*dev
= &adapter
->pdev
->dev
;
2562 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2563 if (device_create_file(dev
, &dev_attr_bridged_mode
))
2565 "failed to create bridged_mode sysfs entry\n");
2569 qlcnic_remove_sysfs_entries(struct qlcnic_adapter
*adapter
)
2571 struct device
*dev
= &adapter
->pdev
->dev
;
2573 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2574 device_remove_file(dev
, &dev_attr_bridged_mode
);
2578 qlcnic_create_diag_entries(struct qlcnic_adapter
*adapter
)
2580 struct device
*dev
= &adapter
->pdev
->dev
;
2582 if (device_create_file(dev
, &dev_attr_diag_mode
))
2583 dev_info(dev
, "failed to create diag_mode sysfs entry\n");
2584 if (device_create_bin_file(dev
, &bin_attr_crb
))
2585 dev_info(dev
, "failed to create crb sysfs entry\n");
2586 if (device_create_bin_file(dev
, &bin_attr_mem
))
2587 dev_info(dev
, "failed to create mem sysfs entry\n");
2592 qlcnic_remove_diag_entries(struct qlcnic_adapter
*adapter
)
2594 struct device
*dev
= &adapter
->pdev
->dev
;
2596 device_remove_file(dev
, &dev_attr_diag_mode
);
2597 device_remove_bin_file(dev
, &bin_attr_crb
);
2598 device_remove_bin_file(dev
, &bin_attr_mem
);
2603 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
2606 qlcnic_destip_supported(struct qlcnic_adapter
*adapter
)
2608 if (adapter
->ahw
.cut_through
)
2615 qlcnic_config_indev_addr(struct net_device
*dev
, unsigned long event
)
2617 struct in_device
*indev
;
2618 struct qlcnic_adapter
*adapter
= netdev_priv(dev
);
2620 if (!qlcnic_destip_supported(adapter
))
2623 indev
= in_dev_get(dev
);
2630 qlcnic_config_ipaddr(adapter
,
2631 ifa
->ifa_address
, QLCNIC_IP_UP
);
2634 qlcnic_config_ipaddr(adapter
,
2635 ifa
->ifa_address
, QLCNIC_IP_DOWN
);
2640 } endfor_ifa(indev
);
2646 static int qlcnic_netdev_event(struct notifier_block
*this,
2647 unsigned long event
, void *ptr
)
2649 struct qlcnic_adapter
*adapter
;
2650 struct net_device
*dev
= (struct net_device
*)ptr
;
2656 if (dev
->priv_flags
& IFF_802_1Q_VLAN
) {
2657 dev
= vlan_dev_real_dev(dev
);
2661 if (!is_qlcnic_netdev(dev
))
2664 adapter
= netdev_priv(dev
);
2669 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2672 qlcnic_config_indev_addr(dev
, event
);
2678 qlcnic_inetaddr_event(struct notifier_block
*this,
2679 unsigned long event
, void *ptr
)
2681 struct qlcnic_adapter
*adapter
;
2682 struct net_device
*dev
;
2684 struct in_ifaddr
*ifa
= (struct in_ifaddr
*)ptr
;
2686 dev
= ifa
->ifa_dev
? ifa
->ifa_dev
->dev
: NULL
;
2689 if (dev
== NULL
|| !netif_running(dev
))
2692 if (dev
->priv_flags
& IFF_802_1Q_VLAN
) {
2693 dev
= vlan_dev_real_dev(dev
);
2697 if (!is_qlcnic_netdev(dev
))
2700 adapter
= netdev_priv(dev
);
2702 if (!adapter
|| !qlcnic_destip_supported(adapter
))
2705 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2710 qlcnic_config_ipaddr(adapter
, ifa
->ifa_address
, QLCNIC_IP_UP
);
2713 qlcnic_config_ipaddr(adapter
, ifa
->ifa_address
, QLCNIC_IP_DOWN
);
2723 static struct notifier_block qlcnic_netdev_cb
= {
2724 .notifier_call
= qlcnic_netdev_event
,
2727 static struct notifier_block qlcnic_inetaddr_cb
= {
2728 .notifier_call
= qlcnic_inetaddr_event
,
2732 qlcnic_config_indev_addr(struct net_device
*dev
, unsigned long event
)
2736 static struct pci_driver qlcnic_driver
= {
2737 .name
= qlcnic_driver_name
,
2738 .id_table
= qlcnic_pci_tbl
,
2739 .probe
= qlcnic_probe
,
2740 .remove
= __devexit_p(qlcnic_remove
),
2742 .suspend
= qlcnic_suspend
,
2743 .resume
= qlcnic_resume
,
2745 .shutdown
= qlcnic_shutdown
2748 static int __init
qlcnic_init_module(void)
2751 printk(KERN_INFO
"%s\n", qlcnic_driver_string
);
2754 register_netdevice_notifier(&qlcnic_netdev_cb
);
2755 register_inetaddr_notifier(&qlcnic_inetaddr_cb
);
2759 return pci_register_driver(&qlcnic_driver
);
2762 module_init(qlcnic_init_module
);
2764 static void __exit
qlcnic_exit_module(void)
2767 pci_unregister_driver(&qlcnic_driver
);
2770 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb
);
2771 unregister_netdevice_notifier(&qlcnic_netdev_cb
);
2775 module_exit(qlcnic_exit_module
);