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/vmalloc.h>
26 #include <linux/interrupt.h>
30 #include <linux/dma-mapping.h>
31 #include <linux/if_vlan.h>
33 #include <linux/ipv6.h>
34 #include <linux/inetdevice.h>
35 #include <linux/sysfs.h>
37 MODULE_DESCRIPTION("QLogic 10 GbE Converged Ethernet Driver");
38 MODULE_LICENSE("GPL");
39 MODULE_VERSION(QLCNIC_LINUX_VERSIONID
);
40 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME
);
42 char qlcnic_driver_name
[] = "qlcnic";
43 static const char qlcnic_driver_string
[] = "QLogic Converged Ethernet Driver v"
44 QLCNIC_LINUX_VERSIONID
;
46 static int port_mode
= QLCNIC_PORT_MODE_AUTO_NEG
;
48 /* Default to restricted 1G auto-neg mode */
49 static int wol_port_mode
= 5;
51 static int use_msi
= 1;
52 module_param(use_msi
, int, 0644);
53 MODULE_PARM_DESC(use_msi
, "MSI interrupt (0=disabled, 1=enabled");
55 static int use_msi_x
= 1;
56 module_param(use_msi_x
, int, 0644);
57 MODULE_PARM_DESC(use_msi_x
, "MSI-X interrupt (0=disabled, 1=enabled");
59 static int auto_fw_reset
= AUTO_FW_RESET_ENABLED
;
60 module_param(auto_fw_reset
, int, 0644);
61 MODULE_PARM_DESC(auto_fw_reset
, "Auto firmware reset (0=disabled, 1=enabled");
63 static int __devinit
qlcnic_probe(struct pci_dev
*pdev
,
64 const struct pci_device_id
*ent
);
65 static void __devexit
qlcnic_remove(struct pci_dev
*pdev
);
66 static int qlcnic_open(struct net_device
*netdev
);
67 static int qlcnic_close(struct net_device
*netdev
);
68 static void qlcnic_tx_timeout(struct net_device
*netdev
);
69 static void qlcnic_tx_timeout_task(struct work_struct
*work
);
70 static void qlcnic_attach_work(struct work_struct
*work
);
71 static void qlcnic_fwinit_work(struct work_struct
*work
);
72 static void qlcnic_fw_poll_work(struct work_struct
*work
);
73 static void qlcnic_schedule_work(struct qlcnic_adapter
*adapter
,
74 work_func_t func
, int delay
);
75 static void qlcnic_cancel_fw_work(struct qlcnic_adapter
*adapter
);
76 static int qlcnic_poll(struct napi_struct
*napi
, int budget
);
77 #ifdef CONFIG_NET_POLL_CONTROLLER
78 static void qlcnic_poll_controller(struct net_device
*netdev
);
81 static void qlcnic_create_sysfs_entries(struct qlcnic_adapter
*adapter
);
82 static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter
*adapter
);
83 static void qlcnic_create_diag_entries(struct qlcnic_adapter
*adapter
);
84 static void qlcnic_remove_diag_entries(struct qlcnic_adapter
*adapter
);
86 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter
*adapter
);
87 static int qlcnic_can_start_firmware(struct qlcnic_adapter
*adapter
);
89 static irqreturn_t
qlcnic_tmp_intr(int irq
, void *data
);
90 static irqreturn_t
qlcnic_intr(int irq
, void *data
);
91 static irqreturn_t
qlcnic_msi_intr(int irq
, void *data
);
92 static irqreturn_t
qlcnic_msix_intr(int irq
, void *data
);
94 static struct net_device_stats
*qlcnic_get_stats(struct net_device
*netdev
);
95 static void qlcnic_config_indev_addr(struct net_device
*dev
, unsigned long);
97 /* PCI Device ID Table */
98 #define ENTRY(device) \
99 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
100 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
102 #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
104 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl
) = {
105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X
),
109 MODULE_DEVICE_TABLE(pci
, qlcnic_pci_tbl
);
113 qlcnic_update_cmd_producer(struct qlcnic_adapter
*adapter
,
114 struct qlcnic_host_tx_ring
*tx_ring
)
116 writel(tx_ring
->producer
, tx_ring
->crb_cmd_producer
);
118 if (qlcnic_tx_avail(tx_ring
) <= TX_STOP_THRESH
) {
119 netif_stop_queue(adapter
->netdev
);
121 adapter
->stats
.xmit_off
++;
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
133 struct qlcnic_legacy_intr_set legacy_intr
[] = QLCNIC_LEGACY_INTR_CONFIG
;
135 static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring
*sds_ring
)
137 writel(0, sds_ring
->crb_intr_mask
);
140 static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring
*sds_ring
)
142 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
144 writel(0x1, sds_ring
->crb_intr_mask
);
146 if (!QLCNIC_IS_MSI_FAMILY(adapter
))
147 writel(0xfbff, adapter
->tgt_mask_reg
);
151 qlcnic_alloc_sds_rings(struct qlcnic_recv_context
*recv_ctx
, int count
)
153 int size
= sizeof(struct qlcnic_host_sds_ring
) * count
;
155 recv_ctx
->sds_rings
= kzalloc(size
, GFP_KERNEL
);
157 return (recv_ctx
->sds_rings
== NULL
);
161 qlcnic_free_sds_rings(struct qlcnic_recv_context
*recv_ctx
)
163 if (recv_ctx
->sds_rings
!= NULL
)
164 kfree(recv_ctx
->sds_rings
);
166 recv_ctx
->sds_rings
= NULL
;
170 qlcnic_napi_add(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
173 struct qlcnic_host_sds_ring
*sds_ring
;
174 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
176 if (qlcnic_alloc_sds_rings(recv_ctx
, adapter
->max_sds_rings
))
179 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
180 sds_ring
= &recv_ctx
->sds_rings
[ring
];
181 netif_napi_add(netdev
, &sds_ring
->napi
,
182 qlcnic_poll
, QLCNIC_NETDEV_WEIGHT
);
189 qlcnic_napi_del(struct qlcnic_adapter
*adapter
)
192 struct qlcnic_host_sds_ring
*sds_ring
;
193 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
195 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
196 sds_ring
= &recv_ctx
->sds_rings
[ring
];
197 netif_napi_del(&sds_ring
->napi
);
200 qlcnic_free_sds_rings(&adapter
->recv_ctx
);
204 qlcnic_napi_enable(struct qlcnic_adapter
*adapter
)
207 struct qlcnic_host_sds_ring
*sds_ring
;
208 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
210 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
211 sds_ring
= &recv_ctx
->sds_rings
[ring
];
212 napi_enable(&sds_ring
->napi
);
213 qlcnic_enable_int(sds_ring
);
218 qlcnic_napi_disable(struct qlcnic_adapter
*adapter
)
221 struct qlcnic_host_sds_ring
*sds_ring
;
222 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
224 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
225 sds_ring
= &recv_ctx
->sds_rings
[ring
];
226 qlcnic_disable_int(sds_ring
);
227 napi_synchronize(&sds_ring
->napi
);
228 napi_disable(&sds_ring
->napi
);
232 static void qlcnic_clear_stats(struct qlcnic_adapter
*adapter
)
234 memset(&adapter
->stats
, 0, sizeof(adapter
->stats
));
238 static int qlcnic_set_dma_mask(struct qlcnic_adapter
*adapter
)
240 struct pci_dev
*pdev
= adapter
->pdev
;
243 adapter
->pci_using_dac
= 0;
245 mask
= DMA_BIT_MASK(39);
248 if (pci_set_dma_mask(pdev
, mask
) == 0 &&
249 pci_set_consistent_dma_mask(pdev
, cmask
) == 0) {
250 adapter
->pci_using_dac
= 1;
257 /* Update addressable range if firmware supports it */
259 qlcnic_update_dma_mask(struct qlcnic_adapter
*adapter
)
261 int change
, shift
, err
;
262 u64 mask
, old_mask
, old_cmask
;
263 struct pci_dev
*pdev
= adapter
->pdev
;
267 shift
= QLCRD32(adapter
, CRB_DMA_SHIFT
);
275 old_mask
= pdev
->dma_mask
;
276 old_cmask
= pdev
->dev
.coherent_dma_mask
;
278 mask
= DMA_BIT_MASK(32+shift
);
280 err
= pci_set_dma_mask(pdev
, mask
);
284 err
= pci_set_consistent_dma_mask(pdev
, mask
);
287 dev_info(&pdev
->dev
, "using %d-bit dma mask\n", 32+shift
);
293 pci_set_dma_mask(pdev
, old_mask
);
294 pci_set_consistent_dma_mask(pdev
, old_cmask
);
298 static void qlcnic_set_port_mode(struct qlcnic_adapter
*adapter
)
302 val
= adapter
->ahw
.board_type
;
303 if ((val
== QLCNIC_BRDTYPE_P3_HMEZ
) ||
304 (val
== QLCNIC_BRDTYPE_P3_XG_LOM
)) {
305 if (port_mode
== QLCNIC_PORT_MODE_802_3_AP
) {
306 data
= QLCNIC_PORT_MODE_802_3_AP
;
307 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
308 } else if (port_mode
== QLCNIC_PORT_MODE_XG
) {
309 data
= QLCNIC_PORT_MODE_XG
;
310 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
311 } else if (port_mode
== QLCNIC_PORT_MODE_AUTO_NEG_1G
) {
312 data
= QLCNIC_PORT_MODE_AUTO_NEG_1G
;
313 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
314 } else if (port_mode
== QLCNIC_PORT_MODE_AUTO_NEG_XG
) {
315 data
= QLCNIC_PORT_MODE_AUTO_NEG_XG
;
316 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
318 data
= QLCNIC_PORT_MODE_AUTO_NEG
;
319 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
322 if ((wol_port_mode
!= QLCNIC_PORT_MODE_802_3_AP
) &&
323 (wol_port_mode
!= QLCNIC_PORT_MODE_XG
) &&
324 (wol_port_mode
!= QLCNIC_PORT_MODE_AUTO_NEG_1G
) &&
325 (wol_port_mode
!= QLCNIC_PORT_MODE_AUTO_NEG_XG
)) {
326 wol_port_mode
= QLCNIC_PORT_MODE_AUTO_NEG
;
328 QLCWR32(adapter
, QLCNIC_WOL_PORT_MODE
, wol_port_mode
);
332 static void qlcnic_set_msix_bit(struct pci_dev
*pdev
, int enable
)
337 pos
= pci_find_capability(pdev
, PCI_CAP_ID_MSIX
);
339 pci_read_config_dword(pdev
, pos
, &control
);
341 control
|= PCI_MSIX_FLAGS_ENABLE
;
344 pci_write_config_dword(pdev
, pos
, control
);
348 static void qlcnic_init_msix_entries(struct qlcnic_adapter
*adapter
, int count
)
352 for (i
= 0; i
< count
; i
++)
353 adapter
->msix_entries
[i
].entry
= i
;
357 qlcnic_read_mac_addr(struct qlcnic_adapter
*adapter
)
362 struct net_device
*netdev
= adapter
->netdev
;
363 struct pci_dev
*pdev
= adapter
->pdev
;
365 if (qlcnic_get_mac_addr(adapter
, &mac_addr
) != 0)
368 p
= (unsigned char *)&mac_addr
;
369 for (i
= 0; i
< 6; i
++)
370 netdev
->dev_addr
[i
] = *(p
+ 5 - i
);
372 memcpy(netdev
->perm_addr
, netdev
->dev_addr
, netdev
->addr_len
);
373 memcpy(adapter
->mac_addr
, netdev
->dev_addr
, netdev
->addr_len
);
375 /* set station address */
377 if (!is_valid_ether_addr(netdev
->perm_addr
))
378 dev_warn(&pdev
->dev
, "Bad MAC address %pM.\n",
384 static int qlcnic_set_mac(struct net_device
*netdev
, void *p
)
386 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
387 struct sockaddr
*addr
= p
;
389 if (!is_valid_ether_addr(addr
->sa_data
))
392 if (netif_running(netdev
)) {
393 netif_device_detach(netdev
);
394 qlcnic_napi_disable(adapter
);
397 memcpy(adapter
->mac_addr
, addr
->sa_data
, netdev
->addr_len
);
398 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
399 qlcnic_set_multi(adapter
->netdev
);
401 if (netif_running(netdev
)) {
402 netif_device_attach(netdev
);
403 qlcnic_napi_enable(adapter
);
408 static const struct net_device_ops qlcnic_netdev_ops
= {
409 .ndo_open
= qlcnic_open
,
410 .ndo_stop
= qlcnic_close
,
411 .ndo_start_xmit
= qlcnic_xmit_frame
,
412 .ndo_get_stats
= qlcnic_get_stats
,
413 .ndo_validate_addr
= eth_validate_addr
,
414 .ndo_set_multicast_list
= qlcnic_set_multi
,
415 .ndo_set_mac_address
= qlcnic_set_mac
,
416 .ndo_change_mtu
= qlcnic_change_mtu
,
417 .ndo_tx_timeout
= qlcnic_tx_timeout
,
418 #ifdef CONFIG_NET_POLL_CONTROLLER
419 .ndo_poll_controller
= qlcnic_poll_controller
,
424 qlcnic_setup_intr(struct qlcnic_adapter
*adapter
)
426 const struct qlcnic_legacy_intr_set
*legacy_intrp
;
427 struct pci_dev
*pdev
= adapter
->pdev
;
430 if (adapter
->rss_supported
) {
431 num_msix
= (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER
) ?
432 MSIX_ENTRIES_PER_ADAPTER
: 2;
436 adapter
->max_sds_rings
= 1;
438 adapter
->flags
&= ~(QLCNIC_MSI_ENABLED
| QLCNIC_MSIX_ENABLED
);
440 legacy_intrp
= &legacy_intr
[adapter
->ahw
.pci_func
];
442 adapter
->int_vec_bit
= legacy_intrp
->int_vec_bit
;
443 adapter
->tgt_status_reg
= qlcnic_get_ioaddr(adapter
,
444 legacy_intrp
->tgt_status_reg
);
445 adapter
->tgt_mask_reg
= qlcnic_get_ioaddr(adapter
,
446 legacy_intrp
->tgt_mask_reg
);
447 adapter
->isr_int_vec
= qlcnic_get_ioaddr(adapter
, ISR_INT_VECTOR
);
449 adapter
->crb_int_state_reg
= qlcnic_get_ioaddr(adapter
,
452 qlcnic_set_msix_bit(pdev
, 0);
454 if (adapter
->msix_supported
) {
456 qlcnic_init_msix_entries(adapter
, num_msix
);
457 err
= pci_enable_msix(pdev
, adapter
->msix_entries
, num_msix
);
459 adapter
->flags
|= QLCNIC_MSIX_ENABLED
;
460 qlcnic_set_msix_bit(pdev
, 1);
462 if (adapter
->rss_supported
)
463 adapter
->max_sds_rings
= num_msix
;
465 dev_info(&pdev
->dev
, "using msi-x interrupts\n");
470 pci_disable_msix(pdev
);
472 /* fall through for msi */
475 if (use_msi
&& !pci_enable_msi(pdev
)) {
476 adapter
->flags
|= QLCNIC_MSI_ENABLED
;
477 adapter
->tgt_status_reg
= qlcnic_get_ioaddr(adapter
,
478 msi_tgt_status
[adapter
->ahw
.pci_func
]);
479 dev_info(&pdev
->dev
, "using msi interrupts\n");
480 adapter
->msix_entries
[0].vector
= pdev
->irq
;
484 dev_info(&pdev
->dev
, "using legacy interrupts\n");
485 adapter
->msix_entries
[0].vector
= pdev
->irq
;
489 qlcnic_teardown_intr(struct qlcnic_adapter
*adapter
)
491 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
492 pci_disable_msix(adapter
->pdev
);
493 if (adapter
->flags
& QLCNIC_MSI_ENABLED
)
494 pci_disable_msi(adapter
->pdev
);
498 qlcnic_cleanup_pci_map(struct qlcnic_adapter
*adapter
)
500 if (adapter
->ahw
.pci_base0
!= NULL
)
501 iounmap(adapter
->ahw
.pci_base0
);
505 qlcnic_setup_pci_map(struct qlcnic_adapter
*adapter
)
507 void __iomem
*mem_ptr0
= NULL
;
508 resource_size_t mem_base
;
509 unsigned long mem_len
, pci_len0
= 0;
511 struct pci_dev
*pdev
= adapter
->pdev
;
512 int pci_func
= adapter
->ahw
.pci_func
;
515 * Set the CRB window to invalid. If any register in window 0 is
516 * accessed it should set the window to 0 and then reset it to 1.
518 adapter
->ahw
.crb_win
= -1;
519 adapter
->ahw
.ocm_win
= -1;
521 /* remap phys address */
522 mem_base
= pci_resource_start(pdev
, 0); /* 0 is for BAR 0 */
523 mem_len
= pci_resource_len(pdev
, 0);
525 if (mem_len
== QLCNIC_PCI_2MB_SIZE
) {
527 mem_ptr0
= pci_ioremap_bar(pdev
, 0);
528 if (mem_ptr0
== NULL
) {
529 dev_err(&pdev
->dev
, "failed to map PCI bar 0\n");
537 dev_info(&pdev
->dev
, "%dMB memory map\n", (int)(mem_len
>>20));
539 adapter
->ahw
.pci_base0
= mem_ptr0
;
540 adapter
->ahw
.pci_len0
= pci_len0
;
542 adapter
->ahw
.ocm_win_crb
= qlcnic_get_ioaddr(adapter
,
543 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func
)));
548 static void get_brd_name(struct qlcnic_adapter
*adapter
, char *name
)
550 struct pci_dev
*pdev
= adapter
->pdev
;
553 for (i
= 0; i
< NUM_SUPPORTED_BOARDS
; ++i
) {
554 if (qlcnic_boards
[i
].vendor
== pdev
->vendor
&&
555 qlcnic_boards
[i
].device
== pdev
->device
&&
556 qlcnic_boards
[i
].sub_vendor
== pdev
->subsystem_vendor
&&
557 qlcnic_boards
[i
].sub_device
== pdev
->subsystem_device
) {
558 strcpy(name
, qlcnic_boards
[i
].short_name
);
570 qlcnic_check_options(struct qlcnic_adapter
*adapter
)
572 u32 fw_major
, fw_minor
, fw_build
;
573 char brd_name
[QLCNIC_MAX_BOARD_NAME_LEN
];
577 struct pci_dev
*pdev
= adapter
->pdev
;
579 adapter
->driver_mismatch
= 0;
581 ptr32
= (int *)&serial_num
;
582 offset
= QLCNIC_FW_SERIAL_NUM_OFFSET
;
583 for (i
= 0; i
< 8; i
++) {
584 if (qlcnic_rom_fast_read(adapter
, offset
, &val
) == -1) {
585 dev_err(&pdev
->dev
, "error reading board info\n");
586 adapter
->driver_mismatch
= 1;
589 ptr32
[i
] = cpu_to_le32(val
);
590 offset
+= sizeof(u32
);
593 fw_major
= QLCRD32(adapter
, QLCNIC_FW_VERSION_MAJOR
);
594 fw_minor
= QLCRD32(adapter
, QLCNIC_FW_VERSION_MINOR
);
595 fw_build
= QLCRD32(adapter
, QLCNIC_FW_VERSION_SUB
);
597 adapter
->fw_version
= QLCNIC_VERSION_CODE(fw_major
, fw_minor
, fw_build
);
599 if (adapter
->portnum
== 0) {
600 get_brd_name(adapter
, brd_name
);
602 pr_info("%s: %s Board Chip rev 0x%x\n",
603 module_name(THIS_MODULE
),
604 brd_name
, adapter
->ahw
.revision_id
);
607 if (adapter
->fw_version
< QLCNIC_VERSION_CODE(3, 4, 216)) {
608 adapter
->driver_mismatch
= 1;
609 dev_warn(&pdev
->dev
, "firmware version %d.%d.%d unsupported\n",
610 fw_major
, fw_minor
, fw_build
);
614 i
= QLCRD32(adapter
, QLCNIC_SRE_MISC
);
615 adapter
->ahw
.cut_through
= (i
& 0x8000) ? 1 : 0;
617 dev_info(&pdev
->dev
, "firmware v%d.%d.%d [%s]\n",
618 fw_major
, fw_minor
, fw_build
,
619 adapter
->ahw
.cut_through
? "cut-through" : "legacy");
621 if (adapter
->fw_version
>= QLCNIC_VERSION_CODE(4, 0, 222))
622 adapter
->capabilities
= QLCRD32(adapter
, CRB_FW_CAPABILITIES_1
);
624 adapter
->flags
&= ~QLCNIC_LRO_ENABLED
;
626 if (adapter
->ahw
.port_type
== QLCNIC_XGBE
) {
627 adapter
->num_rxd
= DEFAULT_RCV_DESCRIPTORS_10G
;
628 adapter
->num_jumbo_rxd
= MAX_JUMBO_RCV_DESCRIPTORS_10G
;
629 } else if (adapter
->ahw
.port_type
== QLCNIC_GBE
) {
630 adapter
->num_rxd
= DEFAULT_RCV_DESCRIPTORS_1G
;
631 adapter
->num_jumbo_rxd
= MAX_JUMBO_RCV_DESCRIPTORS_1G
;
634 adapter
->msix_supported
= !!use_msi_x
;
635 adapter
->rss_supported
= !!use_msi_x
;
637 adapter
->num_txd
= MAX_CMD_DESCRIPTORS
;
639 adapter
->num_lro_rxd
= 0;
640 adapter
->max_rds_rings
= 2;
644 qlcnic_start_firmware(struct qlcnic_adapter
*adapter
)
646 int val
, err
, first_boot
;
648 err
= qlcnic_set_dma_mask(adapter
);
652 if (!qlcnic_can_start_firmware(adapter
))
655 first_boot
= QLCRD32(adapter
, QLCNIC_CAM_RAM(0x1fc));
656 if (first_boot
== 0x55555555)
657 /* This is the first boot after power up */
658 QLCWR32(adapter
, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC
);
660 qlcnic_request_firmware(adapter
);
662 err
= qlcnic_need_fw_reset(adapter
);
668 if (first_boot
!= 0x55555555) {
669 QLCWR32(adapter
, CRB_CMDPEG_STATE
, 0);
670 qlcnic_pinit_from_rom(adapter
);
674 QLCWR32(adapter
, CRB_DMA_SHIFT
, 0x55555555);
675 QLCWR32(adapter
, QLCNIC_PEG_HALT_STATUS1
, 0);
676 QLCWR32(adapter
, QLCNIC_PEG_HALT_STATUS2
, 0);
678 qlcnic_set_port_mode(adapter
);
680 err
= qlcnic_load_firmware(adapter
);
684 qlcnic_release_firmware(adapter
);
686 val
= (_QLCNIC_LINUX_MAJOR
<< 16)
687 | ((_QLCNIC_LINUX_MINOR
<< 8))
688 | (_QLCNIC_LINUX_SUBVERSION
);
689 QLCWR32(adapter
, CRB_DRIVER_VERSION
, val
);
692 /* Handshake with the card before we register the devices. */
693 err
= qlcnic_phantom_init(adapter
);
697 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_READY
);
699 qlcnic_update_dma_mask(adapter
);
701 qlcnic_check_options(adapter
);
703 adapter
->need_fw_reset
= 0;
705 /* fall through and release firmware */
708 qlcnic_release_firmware(adapter
);
713 qlcnic_request_irq(struct qlcnic_adapter
*adapter
)
715 irq_handler_t handler
;
716 struct qlcnic_host_sds_ring
*sds_ring
;
719 unsigned long flags
= 0;
720 struct net_device
*netdev
= adapter
->netdev
;
721 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
723 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
724 handler
= qlcnic_tmp_intr
;
725 if (!QLCNIC_IS_MSI_FAMILY(adapter
))
726 flags
|= IRQF_SHARED
;
729 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
730 handler
= qlcnic_msix_intr
;
731 else if (adapter
->flags
& QLCNIC_MSI_ENABLED
)
732 handler
= qlcnic_msi_intr
;
734 flags
|= IRQF_SHARED
;
735 handler
= qlcnic_intr
;
738 adapter
->irq
= netdev
->irq
;
740 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
741 sds_ring
= &recv_ctx
->sds_rings
[ring
];
742 sprintf(sds_ring
->name
, "%s[%d]", netdev
->name
, ring
);
743 err
= request_irq(sds_ring
->irq
, handler
,
744 flags
, sds_ring
->name
, sds_ring
);
753 qlcnic_free_irq(struct qlcnic_adapter
*adapter
)
756 struct qlcnic_host_sds_ring
*sds_ring
;
758 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
760 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
761 sds_ring
= &recv_ctx
->sds_rings
[ring
];
762 free_irq(sds_ring
->irq
, sds_ring
);
767 qlcnic_init_coalesce_defaults(struct qlcnic_adapter
*adapter
)
769 adapter
->coal
.flags
= QLCNIC_INTR_DEFAULT
;
770 adapter
->coal
.normal
.data
.rx_time_us
=
771 QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US
;
772 adapter
->coal
.normal
.data
.rx_packets
=
773 QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS
;
774 adapter
->coal
.normal
.data
.tx_time_us
=
775 QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US
;
776 adapter
->coal
.normal
.data
.tx_packets
=
777 QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS
;
781 __qlcnic_up(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
783 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
786 qlcnic_set_multi(netdev
);
787 qlcnic_fw_cmd_set_mtu(adapter
, netdev
->mtu
);
789 adapter
->ahw
.linkup
= 0;
791 if (adapter
->max_sds_rings
> 1)
792 qlcnic_config_rss(adapter
, 1);
794 qlcnic_config_intr_coalesce(adapter
);
796 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_HW_LRO
)
797 qlcnic_config_hw_lro(adapter
, QLCNIC_LRO_ENABLED
);
799 qlcnic_napi_enable(adapter
);
801 qlcnic_linkevent_request(adapter
, 1);
803 set_bit(__QLCNIC_DEV_UP
, &adapter
->state
);
807 /* Usage: During resume and firmware recovery module.*/
810 qlcnic_up(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
815 if (netif_running(netdev
))
816 err
= __qlcnic_up(adapter
, netdev
);
823 __qlcnic_down(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
825 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
828 if (!test_and_clear_bit(__QLCNIC_DEV_UP
, &adapter
->state
))
832 spin_lock(&adapter
->tx_clean_lock
);
833 netif_carrier_off(netdev
);
834 netif_tx_disable(netdev
);
836 qlcnic_free_mac_list(adapter
);
838 qlcnic_nic_set_promisc(adapter
, QLCNIC_NIU_NON_PROMISC_MODE
);
840 qlcnic_napi_disable(adapter
);
842 qlcnic_release_tx_buffers(adapter
);
843 spin_unlock(&adapter
->tx_clean_lock
);
846 /* Usage: During suspend and firmware recovery module */
849 qlcnic_down(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
852 if (netif_running(netdev
))
853 __qlcnic_down(adapter
, netdev
);
859 qlcnic_attach(struct qlcnic_adapter
*adapter
)
861 struct net_device
*netdev
= adapter
->netdev
;
862 struct pci_dev
*pdev
= adapter
->pdev
;
864 struct qlcnic_host_rds_ring
*rds_ring
;
866 if (adapter
->is_up
== QLCNIC_ADAPTER_UP_MAGIC
)
869 err
= qlcnic_init_firmware(adapter
);
873 err
= qlcnic_napi_add(adapter
, netdev
);
877 err
= qlcnic_alloc_sw_resources(adapter
);
879 dev_err(&pdev
->dev
, "Error in setting sw resources\n");
883 err
= qlcnic_alloc_hw_resources(adapter
);
885 dev_err(&pdev
->dev
, "Error in setting hw resources\n");
886 goto err_out_free_sw
;
890 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
891 rds_ring
= &adapter
->recv_ctx
.rds_rings
[ring
];
892 qlcnic_post_rx_buffers(adapter
, ring
, rds_ring
);
895 err
= qlcnic_request_irq(adapter
);
897 dev_err(&pdev
->dev
, "failed to setup interrupt\n");
898 goto err_out_free_rxbuf
;
901 qlcnic_init_coalesce_defaults(adapter
);
903 qlcnic_create_sysfs_entries(adapter
);
905 adapter
->is_up
= QLCNIC_ADAPTER_UP_MAGIC
;
909 qlcnic_release_rx_buffers(adapter
);
910 qlcnic_free_hw_resources(adapter
);
912 qlcnic_free_sw_resources(adapter
);
917 qlcnic_detach(struct qlcnic_adapter
*adapter
)
919 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
922 qlcnic_remove_sysfs_entries(adapter
);
924 qlcnic_free_hw_resources(adapter
);
925 qlcnic_release_rx_buffers(adapter
);
926 qlcnic_free_irq(adapter
);
927 qlcnic_napi_del(adapter
);
928 qlcnic_free_sw_resources(adapter
);
933 void qlcnic_diag_free_res(struct net_device
*netdev
, int max_sds_rings
)
935 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
936 struct qlcnic_host_sds_ring
*sds_ring
;
939 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
940 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
941 sds_ring
= &adapter
->recv_ctx
.sds_rings
[ring
];
942 qlcnic_disable_int(sds_ring
);
946 qlcnic_detach(adapter
);
948 adapter
->diag_test
= 0;
949 adapter
->max_sds_rings
= max_sds_rings
;
951 if (qlcnic_attach(adapter
))
954 if (netif_running(netdev
))
955 __qlcnic_up(adapter
, netdev
);
957 netif_device_attach(netdev
);
960 int qlcnic_diag_alloc_res(struct net_device
*netdev
, int test
)
962 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
963 struct qlcnic_host_sds_ring
*sds_ring
;
967 netif_device_detach(netdev
);
969 if (netif_running(netdev
))
970 __qlcnic_down(adapter
, netdev
);
972 qlcnic_detach(adapter
);
974 adapter
->max_sds_rings
= 1;
975 adapter
->diag_test
= test
;
977 ret
= qlcnic_attach(adapter
);
981 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
982 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
983 sds_ring
= &adapter
->recv_ctx
.sds_rings
[ring
];
984 qlcnic_enable_int(sds_ring
);
992 qlcnic_reset_context(struct qlcnic_adapter
*adapter
)
995 struct net_device
*netdev
= adapter
->netdev
;
997 if (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
1000 if (adapter
->is_up
== QLCNIC_ADAPTER_UP_MAGIC
) {
1002 netif_device_detach(netdev
);
1004 if (netif_running(netdev
))
1005 __qlcnic_down(adapter
, netdev
);
1007 qlcnic_detach(adapter
);
1009 if (netif_running(netdev
)) {
1010 err
= qlcnic_attach(adapter
);
1012 err
= __qlcnic_up(adapter
, netdev
);
1018 netif_device_attach(netdev
);
1022 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1027 qlcnic_setup_netdev(struct qlcnic_adapter
*adapter
,
1028 struct net_device
*netdev
)
1031 struct pci_dev
*pdev
= adapter
->pdev
;
1033 adapter
->rx_csum
= 1;
1034 adapter
->mc_enabled
= 0;
1035 adapter
->max_mc_count
= 38;
1037 netdev
->netdev_ops
= &qlcnic_netdev_ops
;
1038 netdev
->watchdog_timeo
= 2*HZ
;
1040 qlcnic_change_mtu(netdev
, netdev
->mtu
);
1042 SET_ETHTOOL_OPS(netdev
, &qlcnic_ethtool_ops
);
1044 netdev
->features
|= (NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
);
1045 netdev
->features
|= (NETIF_F_GRO
);
1046 netdev
->vlan_features
|= (NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
);
1048 netdev
->features
|= (NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1049 netdev
->vlan_features
|= (NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1051 if (adapter
->pci_using_dac
) {
1052 netdev
->features
|= NETIF_F_HIGHDMA
;
1053 netdev
->vlan_features
|= NETIF_F_HIGHDMA
;
1056 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_FVLANTX
)
1057 netdev
->features
|= (NETIF_F_HW_VLAN_TX
);
1059 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_HW_LRO
)
1060 netdev
->features
|= NETIF_F_LRO
;
1062 netdev
->irq
= adapter
->msix_entries
[0].vector
;
1064 INIT_WORK(&adapter
->tx_timeout_task
, qlcnic_tx_timeout_task
);
1066 if (qlcnic_read_mac_addr(adapter
))
1067 dev_warn(&pdev
->dev
, "failed to read mac addr\n");
1069 netif_carrier_off(netdev
);
1070 netif_stop_queue(netdev
);
1072 err
= register_netdev(netdev
);
1074 dev_err(&pdev
->dev
, "failed to register net device\n");
1081 static int __devinit
1082 qlcnic_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
1084 struct net_device
*netdev
= NULL
;
1085 struct qlcnic_adapter
*adapter
= NULL
;
1087 int pci_func_id
= PCI_FUNC(pdev
->devfn
);
1088 uint8_t revision_id
;
1090 err
= pci_enable_device(pdev
);
1094 if (!(pci_resource_flags(pdev
, 0) & IORESOURCE_MEM
)) {
1096 goto err_out_disable_pdev
;
1099 err
= pci_request_regions(pdev
, qlcnic_driver_name
);
1101 goto err_out_disable_pdev
;
1103 pci_set_master(pdev
);
1105 netdev
= alloc_etherdev(sizeof(struct qlcnic_adapter
));
1107 dev_err(&pdev
->dev
, "failed to allocate net_device\n");
1109 goto err_out_free_res
;
1112 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
1114 adapter
= netdev_priv(netdev
);
1115 adapter
->netdev
= netdev
;
1116 adapter
->pdev
= pdev
;
1117 adapter
->ahw
.pci_func
= pci_func_id
;
1119 revision_id
= pdev
->revision
;
1120 adapter
->ahw
.revision_id
= revision_id
;
1122 rwlock_init(&adapter
->ahw
.crb_lock
);
1123 mutex_init(&adapter
->ahw
.mem_lock
);
1125 spin_lock_init(&adapter
->tx_clean_lock
);
1126 INIT_LIST_HEAD(&adapter
->mac_list
);
1128 err
= qlcnic_setup_pci_map(adapter
);
1130 goto err_out_free_netdev
;
1132 /* This will be reset for mezz cards */
1133 adapter
->portnum
= pci_func_id
;
1135 err
= qlcnic_get_board_info(adapter
);
1137 dev_err(&pdev
->dev
, "Error getting board config info.\n");
1138 goto err_out_iounmap
;
1142 err
= qlcnic_start_firmware(adapter
);
1144 goto err_out_decr_ref
;
1147 * See if the firmware gave us a virtual-physical port mapping.
1149 adapter
->physical_port
= adapter
->portnum
;
1151 qlcnic_clear_stats(adapter
);
1153 qlcnic_setup_intr(adapter
);
1155 err
= qlcnic_setup_netdev(adapter
, netdev
);
1157 goto err_out_disable_msi
;
1159 pci_set_drvdata(pdev
, adapter
);
1161 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
1163 switch (adapter
->ahw
.port_type
) {
1165 dev_info(&adapter
->pdev
->dev
, "%s: GbE port initialized\n",
1166 adapter
->netdev
->name
);
1169 dev_info(&adapter
->pdev
->dev
, "%s: XGbE port initialized\n",
1170 adapter
->netdev
->name
);
1174 qlcnic_create_diag_entries(adapter
);
1178 err_out_disable_msi
:
1179 qlcnic_teardown_intr(adapter
);
1182 qlcnic_clr_all_drv_state(adapter
);
1185 qlcnic_cleanup_pci_map(adapter
);
1187 err_out_free_netdev
:
1188 free_netdev(netdev
);
1191 pci_release_regions(pdev
);
1193 err_out_disable_pdev
:
1194 pci_set_drvdata(pdev
, NULL
);
1195 pci_disable_device(pdev
);
1199 static void __devexit
qlcnic_remove(struct pci_dev
*pdev
)
1201 struct qlcnic_adapter
*adapter
;
1202 struct net_device
*netdev
;
1204 adapter
= pci_get_drvdata(pdev
);
1205 if (adapter
== NULL
)
1208 netdev
= adapter
->netdev
;
1210 qlcnic_cancel_fw_work(adapter
);
1212 unregister_netdev(netdev
);
1214 cancel_work_sync(&adapter
->tx_timeout_task
);
1216 qlcnic_detach(adapter
);
1218 qlcnic_clr_all_drv_state(adapter
);
1220 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1222 qlcnic_teardown_intr(adapter
);
1224 qlcnic_remove_diag_entries(adapter
);
1226 qlcnic_cleanup_pci_map(adapter
);
1228 qlcnic_release_firmware(adapter
);
1230 pci_release_regions(pdev
);
1231 pci_disable_device(pdev
);
1232 pci_set_drvdata(pdev
, NULL
);
1234 free_netdev(netdev
);
1236 static int __qlcnic_shutdown(struct pci_dev
*pdev
)
1238 struct qlcnic_adapter
*adapter
= pci_get_drvdata(pdev
);
1239 struct net_device
*netdev
= adapter
->netdev
;
1242 netif_device_detach(netdev
);
1244 qlcnic_cancel_fw_work(adapter
);
1246 if (netif_running(netdev
))
1247 qlcnic_down(adapter
, netdev
);
1249 cancel_work_sync(&adapter
->tx_timeout_task
);
1251 qlcnic_detach(adapter
);
1253 qlcnic_clr_all_drv_state(adapter
);
1255 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1257 retval
= pci_save_state(pdev
);
1261 if (qlcnic_wol_supported(adapter
)) {
1262 pci_enable_wake(pdev
, PCI_D3cold
, 1);
1263 pci_enable_wake(pdev
, PCI_D3hot
, 1);
1269 static void qlcnic_shutdown(struct pci_dev
*pdev
)
1271 if (__qlcnic_shutdown(pdev
))
1274 pci_disable_device(pdev
);
1279 qlcnic_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1283 retval
= __qlcnic_shutdown(pdev
);
1287 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
1292 qlcnic_resume(struct pci_dev
*pdev
)
1294 struct qlcnic_adapter
*adapter
= pci_get_drvdata(pdev
);
1295 struct net_device
*netdev
= adapter
->netdev
;
1298 err
= pci_enable_device(pdev
);
1302 pci_set_power_state(pdev
, PCI_D0
);
1303 pci_set_master(pdev
);
1304 pci_restore_state(pdev
);
1306 adapter
->ahw
.crb_win
= -1;
1307 adapter
->ahw
.ocm_win
= -1;
1309 err
= qlcnic_start_firmware(adapter
);
1311 dev_err(&pdev
->dev
, "failed to start firmware\n");
1315 if (netif_running(netdev
)) {
1316 err
= qlcnic_attach(adapter
);
1320 err
= qlcnic_up(adapter
, netdev
);
1322 goto err_out_detach
;
1325 qlcnic_config_indev_addr(netdev
, NETDEV_UP
);
1328 netif_device_attach(netdev
);
1329 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
1333 qlcnic_detach(adapter
);
1335 qlcnic_clr_all_drv_state(adapter
);
1340 static int qlcnic_open(struct net_device
*netdev
)
1342 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1345 if (adapter
->driver_mismatch
)
1348 err
= qlcnic_attach(adapter
);
1352 err
= __qlcnic_up(adapter
, netdev
);
1356 netif_start_queue(netdev
);
1361 qlcnic_detach(adapter
);
1366 * qlcnic_close - Disables a network interface entry point
1368 static int qlcnic_close(struct net_device
*netdev
)
1370 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1372 __qlcnic_down(adapter
, netdev
);
1377 qlcnic_tso_check(struct net_device
*netdev
,
1378 struct qlcnic_host_tx_ring
*tx_ring
,
1379 struct cmd_desc_type0
*first_desc
,
1380 struct sk_buff
*skb
)
1382 u8 opcode
= TX_ETHER_PKT
;
1383 __be16 protocol
= skb
->protocol
;
1384 u16 flags
= 0, vid
= 0;
1386 int copied
, offset
, copy_len
, hdr_len
= 0, tso
= 0, vlan_oob
= 0;
1387 struct cmd_desc_type0
*hwdesc
;
1388 struct vlan_ethhdr
*vh
;
1389 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1391 if (protocol
== cpu_to_be16(ETH_P_8021Q
)) {
1393 vh
= (struct vlan_ethhdr
*)skb
->data
;
1394 protocol
= vh
->h_vlan_encapsulated_proto
;
1395 flags
= FLAGS_VLAN_TAGGED
;
1397 } else if (vlan_tx_tag_present(skb
)) {
1399 flags
= FLAGS_VLAN_OOB
;
1400 vid
= vlan_tx_tag_get(skb
);
1401 qlcnic_set_tx_vlan_tci(first_desc
, vid
);
1405 if ((netdev
->features
& (NETIF_F_TSO
| NETIF_F_TSO6
)) &&
1406 skb_shinfo(skb
)->gso_size
> 0) {
1408 hdr_len
= skb_transport_offset(skb
) + tcp_hdrlen(skb
);
1410 first_desc
->mss
= cpu_to_le16(skb_shinfo(skb
)->gso_size
);
1411 first_desc
->total_hdr_length
= hdr_len
;
1413 first_desc
->total_hdr_length
+= VLAN_HLEN
;
1414 first_desc
->tcp_hdr_offset
= VLAN_HLEN
;
1415 first_desc
->ip_hdr_offset
= VLAN_HLEN
;
1416 /* Only in case of TSO on vlan device */
1417 flags
|= FLAGS_VLAN_TAGGED
;
1420 opcode
= (protocol
== cpu_to_be16(ETH_P_IPV6
)) ?
1421 TX_TCP_LSO6
: TX_TCP_LSO
;
1424 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
1427 if (protocol
== cpu_to_be16(ETH_P_IP
)) {
1428 l4proto
= ip_hdr(skb
)->protocol
;
1430 if (l4proto
== IPPROTO_TCP
)
1431 opcode
= TX_TCP_PKT
;
1432 else if (l4proto
== IPPROTO_UDP
)
1433 opcode
= TX_UDP_PKT
;
1434 } else if (protocol
== cpu_to_be16(ETH_P_IPV6
)) {
1435 l4proto
= ipv6_hdr(skb
)->nexthdr
;
1437 if (l4proto
== IPPROTO_TCP
)
1438 opcode
= TX_TCPV6_PKT
;
1439 else if (l4proto
== IPPROTO_UDP
)
1440 opcode
= TX_UDPV6_PKT
;
1444 first_desc
->tcp_hdr_offset
+= skb_transport_offset(skb
);
1445 first_desc
->ip_hdr_offset
+= skb_network_offset(skb
);
1446 qlcnic_set_tx_flags_opcode(first_desc
, flags
, opcode
);
1451 /* For LSO, we need to copy the MAC/IP/TCP headers into
1452 * the descriptor ring
1454 producer
= tx_ring
->producer
;
1459 /* Create a TSO vlan header template for firmware */
1461 hwdesc
= &tx_ring
->desc_head
[producer
];
1462 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1464 copy_len
= min((int)sizeof(struct cmd_desc_type0
) - offset
,
1465 hdr_len
+ VLAN_HLEN
);
1467 vh
= (struct vlan_ethhdr
*)((char *)hwdesc
+ 2);
1468 skb_copy_from_linear_data(skb
, vh
, 12);
1469 vh
->h_vlan_proto
= htons(ETH_P_8021Q
);
1470 vh
->h_vlan_TCI
= htons(vid
);
1471 skb_copy_from_linear_data_offset(skb
, 12,
1472 (char *)vh
+ 16, copy_len
- 16);
1474 copied
= copy_len
- VLAN_HLEN
;
1477 producer
= get_next_index(producer
, tx_ring
->num_desc
);
1480 while (copied
< hdr_len
) {
1482 copy_len
= min((int)sizeof(struct cmd_desc_type0
) - offset
,
1483 (hdr_len
- copied
));
1485 hwdesc
= &tx_ring
->desc_head
[producer
];
1486 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1488 skb_copy_from_linear_data_offset(skb
, copied
,
1489 (char *)hwdesc
+ offset
, copy_len
);
1494 producer
= get_next_index(producer
, tx_ring
->num_desc
);
1497 tx_ring
->producer
= producer
;
1499 adapter
->stats
.lso_frames
++;
1503 qlcnic_map_tx_skb(struct pci_dev
*pdev
,
1504 struct sk_buff
*skb
, struct qlcnic_cmd_buffer
*pbuf
)
1506 struct qlcnic_skb_frag
*nf
;
1507 struct skb_frag_struct
*frag
;
1511 nr_frags
= skb_shinfo(skb
)->nr_frags
;
1512 nf
= &pbuf
->frag_array
[0];
1514 map
= pci_map_single(pdev
, skb
->data
,
1515 skb_headlen(skb
), PCI_DMA_TODEVICE
);
1516 if (pci_dma_mapping_error(pdev
, map
))
1520 nf
->length
= skb_headlen(skb
);
1522 for (i
= 0; i
< nr_frags
; i
++) {
1523 frag
= &skb_shinfo(skb
)->frags
[i
];
1524 nf
= &pbuf
->frag_array
[i
+1];
1526 map
= pci_map_page(pdev
, frag
->page
, frag
->page_offset
,
1527 frag
->size
, PCI_DMA_TODEVICE
);
1528 if (pci_dma_mapping_error(pdev
, map
))
1532 nf
->length
= frag
->size
;
1539 nf
= &pbuf
->frag_array
[i
+1];
1540 pci_unmap_page(pdev
, nf
->dma
, nf
->length
, PCI_DMA_TODEVICE
);
1543 nf
= &pbuf
->frag_array
[0];
1544 pci_unmap_single(pdev
, nf
->dma
, skb_headlen(skb
), PCI_DMA_TODEVICE
);
1551 qlcnic_clear_cmddesc(u64
*desc
)
1558 qlcnic_xmit_frame(struct sk_buff
*skb
, struct net_device
*netdev
)
1560 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1561 struct qlcnic_host_tx_ring
*tx_ring
= adapter
->tx_ring
;
1562 struct qlcnic_cmd_buffer
*pbuf
;
1563 struct qlcnic_skb_frag
*buffrag
;
1564 struct cmd_desc_type0
*hwdesc
, *first_desc
;
1565 struct pci_dev
*pdev
;
1569 int frag_count
, no_of_desc
;
1570 u32 num_txd
= tx_ring
->num_desc
;
1572 frag_count
= skb_shinfo(skb
)->nr_frags
+ 1;
1574 /* 4 fragments per cmd des */
1575 no_of_desc
= (frag_count
+ 3) >> 2;
1577 if (unlikely(no_of_desc
+ 2 > qlcnic_tx_avail(tx_ring
))) {
1578 netif_stop_queue(netdev
);
1579 adapter
->stats
.xmit_off
++;
1580 return NETDEV_TX_BUSY
;
1583 producer
= tx_ring
->producer
;
1584 pbuf
= &tx_ring
->cmd_buf_arr
[producer
];
1586 pdev
= adapter
->pdev
;
1588 if (qlcnic_map_tx_skb(pdev
, skb
, pbuf
))
1592 pbuf
->frag_count
= frag_count
;
1594 first_desc
= hwdesc
= &tx_ring
->desc_head
[producer
];
1595 qlcnic_clear_cmddesc((u64
*)hwdesc
);
1597 qlcnic_set_tx_frags_len(first_desc
, frag_count
, skb
->len
);
1598 qlcnic_set_tx_port(first_desc
, adapter
->portnum
);
1600 for (i
= 0; i
< frag_count
; i
++) {
1604 if ((k
== 0) && (i
> 0)) {
1605 /* move to next desc.*/
1606 producer
= get_next_index(producer
, num_txd
);
1607 hwdesc
= &tx_ring
->desc_head
[producer
];
1608 qlcnic_clear_cmddesc((u64
*)hwdesc
);
1609 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1612 buffrag
= &pbuf
->frag_array
[i
];
1614 hwdesc
->buffer_length
[k
] = cpu_to_le16(buffrag
->length
);
1617 hwdesc
->addr_buffer1
= cpu_to_le64(buffrag
->dma
);
1620 hwdesc
->addr_buffer2
= cpu_to_le64(buffrag
->dma
);
1623 hwdesc
->addr_buffer3
= cpu_to_le64(buffrag
->dma
);
1626 hwdesc
->addr_buffer4
= cpu_to_le64(buffrag
->dma
);
1631 tx_ring
->producer
= get_next_index(producer
, num_txd
);
1633 qlcnic_tso_check(netdev
, tx_ring
, first_desc
, skb
);
1635 qlcnic_update_cmd_producer(adapter
, tx_ring
);
1637 adapter
->stats
.txbytes
+= skb
->len
;
1638 adapter
->stats
.xmitcalled
++;
1640 return NETDEV_TX_OK
;
1643 adapter
->stats
.txdropped
++;
1644 dev_kfree_skb_any(skb
);
1645 return NETDEV_TX_OK
;
1648 static int qlcnic_check_temp(struct qlcnic_adapter
*adapter
)
1650 struct net_device
*netdev
= adapter
->netdev
;
1651 u32 temp
, temp_state
, temp_val
;
1654 temp
= QLCRD32(adapter
, CRB_TEMP_STATE
);
1656 temp_state
= qlcnic_get_temp_state(temp
);
1657 temp_val
= qlcnic_get_temp_val(temp
);
1659 if (temp_state
== QLCNIC_TEMP_PANIC
) {
1660 dev_err(&netdev
->dev
,
1661 "Device temperature %d degrees C exceeds"
1662 " maximum allowed. Hardware has been shut down.\n",
1665 } else if (temp_state
== QLCNIC_TEMP_WARN
) {
1666 if (adapter
->temp
== QLCNIC_TEMP_NORMAL
) {
1667 dev_err(&netdev
->dev
,
1668 "Device temperature %d degrees C "
1669 "exceeds operating range."
1670 " Immediate action needed.\n",
1674 if (adapter
->temp
== QLCNIC_TEMP_WARN
) {
1675 dev_info(&netdev
->dev
,
1676 "Device temperature is now %d degrees C"
1677 " in normal range.\n", temp_val
);
1680 adapter
->temp
= temp_state
;
1684 void qlcnic_advert_link_change(struct qlcnic_adapter
*adapter
, int linkup
)
1686 struct net_device
*netdev
= adapter
->netdev
;
1688 if (adapter
->ahw
.linkup
&& !linkup
) {
1689 dev_info(&netdev
->dev
, "NIC Link is down\n");
1690 adapter
->ahw
.linkup
= 0;
1691 if (netif_running(netdev
)) {
1692 netif_carrier_off(netdev
);
1693 netif_stop_queue(netdev
);
1695 } else if (!adapter
->ahw
.linkup
&& linkup
) {
1696 dev_info(&netdev
->dev
, "NIC Link is up\n");
1697 adapter
->ahw
.linkup
= 1;
1698 if (netif_running(netdev
)) {
1699 netif_carrier_on(netdev
);
1700 netif_wake_queue(netdev
);
1705 static void qlcnic_tx_timeout(struct net_device
*netdev
)
1707 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1709 if (test_bit(__QLCNIC_RESETTING
, &adapter
->state
))
1712 dev_err(&netdev
->dev
, "transmit timeout, resetting.\n");
1713 schedule_work(&adapter
->tx_timeout_task
);
1716 static void qlcnic_tx_timeout_task(struct work_struct
*work
)
1718 struct qlcnic_adapter
*adapter
=
1719 container_of(work
, struct qlcnic_adapter
, tx_timeout_task
);
1721 if (!netif_running(adapter
->netdev
))
1724 if (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
1727 if (++adapter
->tx_timeo_cnt
>= QLCNIC_MAX_TX_TIMEOUTS
)
1730 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1731 if (!qlcnic_reset_context(adapter
)) {
1732 adapter
->netdev
->trans_start
= jiffies
;
1735 /* context reset failed, fall through for fw reset */
1739 adapter
->need_fw_reset
= 1;
1740 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1743 static struct net_device_stats
*qlcnic_get_stats(struct net_device
*netdev
)
1745 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1746 struct net_device_stats
*stats
= &netdev
->stats
;
1748 memset(stats
, 0, sizeof(*stats
));
1750 stats
->rx_packets
= adapter
->stats
.rx_pkts
+ adapter
->stats
.lro_pkts
;
1751 stats
->tx_packets
= adapter
->stats
.xmitfinished
;
1752 stats
->rx_bytes
= adapter
->stats
.rxbytes
;
1753 stats
->tx_bytes
= adapter
->stats
.txbytes
;
1754 stats
->rx_dropped
= adapter
->stats
.rxdropped
;
1755 stats
->tx_dropped
= adapter
->stats
.txdropped
;
1760 static irqreturn_t
qlcnic_clear_legacy_intr(struct qlcnic_adapter
*adapter
)
1764 status
= readl(adapter
->isr_int_vec
);
1766 if (!(status
& adapter
->int_vec_bit
))
1769 /* check interrupt state machine, to be sure */
1770 status
= readl(adapter
->crb_int_state_reg
);
1771 if (!ISR_LEGACY_INT_TRIGGERED(status
))
1774 writel(0xffffffff, adapter
->tgt_status_reg
);
1775 /* read twice to ensure write is flushed */
1776 readl(adapter
->isr_int_vec
);
1777 readl(adapter
->isr_int_vec
);
1782 static irqreturn_t
qlcnic_tmp_intr(int irq
, void *data
)
1784 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1785 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1787 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
1789 else if (adapter
->flags
& QLCNIC_MSI_ENABLED
) {
1790 writel(0xffffffff, adapter
->tgt_status_reg
);
1794 if (qlcnic_clear_legacy_intr(adapter
) == IRQ_NONE
)
1798 adapter
->diag_cnt
++;
1799 qlcnic_enable_int(sds_ring
);
1803 static irqreturn_t
qlcnic_intr(int irq
, void *data
)
1805 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1806 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1808 if (qlcnic_clear_legacy_intr(adapter
) == IRQ_NONE
)
1811 napi_schedule(&sds_ring
->napi
);
1816 static irqreturn_t
qlcnic_msi_intr(int irq
, void *data
)
1818 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1819 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1821 /* clear interrupt */
1822 writel(0xffffffff, adapter
->tgt_status_reg
);
1824 napi_schedule(&sds_ring
->napi
);
1828 static irqreturn_t
qlcnic_msix_intr(int irq
, void *data
)
1830 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1832 napi_schedule(&sds_ring
->napi
);
1836 static int qlcnic_process_cmd_ring(struct qlcnic_adapter
*adapter
)
1838 u32 sw_consumer
, hw_consumer
;
1840 struct qlcnic_cmd_buffer
*buffer
;
1841 struct pci_dev
*pdev
= adapter
->pdev
;
1842 struct net_device
*netdev
= adapter
->netdev
;
1843 struct qlcnic_skb_frag
*frag
;
1845 struct qlcnic_host_tx_ring
*tx_ring
= adapter
->tx_ring
;
1847 if (!spin_trylock(&adapter
->tx_clean_lock
))
1850 sw_consumer
= tx_ring
->sw_consumer
;
1851 hw_consumer
= le32_to_cpu(*(tx_ring
->hw_consumer
));
1853 while (sw_consumer
!= hw_consumer
) {
1854 buffer
= &tx_ring
->cmd_buf_arr
[sw_consumer
];
1856 frag
= &buffer
->frag_array
[0];
1857 pci_unmap_single(pdev
, frag
->dma
, frag
->length
,
1860 for (i
= 1; i
< buffer
->frag_count
; i
++) {
1862 pci_unmap_page(pdev
, frag
->dma
, frag
->length
,
1867 adapter
->stats
.xmitfinished
++;
1868 dev_kfree_skb_any(buffer
->skb
);
1872 sw_consumer
= get_next_index(sw_consumer
, tx_ring
->num_desc
);
1873 if (++count
>= MAX_STATUS_HANDLE
)
1877 if (count
&& netif_running(netdev
)) {
1878 tx_ring
->sw_consumer
= sw_consumer
;
1882 if (netif_queue_stopped(netdev
) && netif_carrier_ok(netdev
)) {
1883 __netif_tx_lock(tx_ring
->txq
, smp_processor_id());
1884 if (qlcnic_tx_avail(tx_ring
) > TX_STOP_THRESH
) {
1885 netif_wake_queue(netdev
);
1886 adapter
->tx_timeo_cnt
= 0;
1887 adapter
->stats
.xmit_on
++;
1889 __netif_tx_unlock(tx_ring
->txq
);
1893 * If everything is freed up to consumer then check if the ring is full
1894 * If the ring is full then check if more needs to be freed and
1895 * schedule the call back again.
1897 * This happens when there are 2 CPUs. One could be freeing and the
1898 * other filling it. If the ring is full when we get out of here and
1899 * the card has already interrupted the host then the host can miss the
1902 * There is still a possible race condition and the host could miss an
1903 * interrupt. The card has to take care of this.
1905 hw_consumer
= le32_to_cpu(*(tx_ring
->hw_consumer
));
1906 done
= (sw_consumer
== hw_consumer
);
1907 spin_unlock(&adapter
->tx_clean_lock
);
1912 static int qlcnic_poll(struct napi_struct
*napi
, int budget
)
1914 struct qlcnic_host_sds_ring
*sds_ring
=
1915 container_of(napi
, struct qlcnic_host_sds_ring
, napi
);
1917 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1922 tx_complete
= qlcnic_process_cmd_ring(adapter
);
1924 work_done
= qlcnic_process_rcv_ring(sds_ring
, budget
);
1926 if ((work_done
< budget
) && tx_complete
) {
1927 napi_complete(&sds_ring
->napi
);
1928 if (test_bit(__QLCNIC_DEV_UP
, &adapter
->state
))
1929 qlcnic_enable_int(sds_ring
);
1935 #ifdef CONFIG_NET_POLL_CONTROLLER
1936 static void qlcnic_poll_controller(struct net_device
*netdev
)
1938 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1939 disable_irq(adapter
->irq
);
1940 qlcnic_intr(adapter
->irq
, adapter
);
1941 enable_irq(adapter
->irq
);
1946 qlcnic_set_drv_state(struct qlcnic_adapter
*adapter
, int state
)
1950 WARN_ON(state
!= QLCNIC_DEV_NEED_RESET
&&
1951 state
!= QLCNIC_DEV_NEED_QUISCENT
);
1953 if (qlcnic_api_lock(adapter
))
1956 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
1958 if (state
== QLCNIC_DEV_NEED_RESET
)
1959 val
|= ((u32
)0x1 << (adapter
->portnum
* 4));
1960 else if (state
== QLCNIC_DEV_NEED_QUISCENT
)
1961 val
|= ((u32
)0x1 << ((adapter
->portnum
* 4) + 1));
1963 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
1965 qlcnic_api_unlock(adapter
);
1969 qlcnic_clr_drv_state(struct qlcnic_adapter
*adapter
)
1973 if (qlcnic_api_lock(adapter
))
1976 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
1977 val
&= ~((u32
)0x3 << (adapter
->portnum
* 4));
1978 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
1980 qlcnic_api_unlock(adapter
);
1986 qlcnic_clr_all_drv_state(struct qlcnic_adapter
*adapter
)
1990 if (qlcnic_api_lock(adapter
))
1993 val
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
1994 val
&= ~((u32
)0x1 << (adapter
->portnum
* 4));
1995 QLCWR32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
, val
);
1997 if (!(val
& 0x11111111))
1998 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_COLD
);
2000 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2001 val
&= ~((u32
)0x3 << (adapter
->portnum
* 4));
2002 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2004 qlcnic_api_unlock(adapter
);
2006 adapter
->fw_fail_cnt
= 0;
2007 clear_bit(__QLCNIC_START_FW
, &adapter
->state
);
2008 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
2012 qlcnic_check_drv_state(struct qlcnic_adapter
*adapter
)
2016 state
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2017 act
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
2019 if (((state
& 0x11111111) == (act
& 0x11111111)) ||
2020 ((act
& 0x11111111) == ((state
>> 1) & 0x11111111)))
2027 qlcnic_can_start_firmware(struct qlcnic_adapter
*adapter
)
2029 u32 val
, prev_state
;
2031 int portnum
= adapter
->portnum
;
2033 if (qlcnic_api_lock(adapter
))
2036 val
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
2037 if (!(val
& ((int)0x1 << (portnum
* 4)))) {
2038 val
|= ((u32
)0x1 << (portnum
* 4));
2039 QLCWR32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
, val
);
2040 } else if (test_and_clear_bit(__QLCNIC_START_FW
, &adapter
->state
)) {
2044 prev_state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2046 switch (prev_state
) {
2047 case QLCNIC_DEV_COLD
:
2049 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_INITALIZING
);
2050 qlcnic_api_unlock(adapter
);
2053 case QLCNIC_DEV_READY
:
2054 qlcnic_api_unlock(adapter
);
2057 case QLCNIC_DEV_NEED_RESET
:
2058 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2059 val
|= ((u32
)0x1 << (portnum
* 4));
2060 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2063 case QLCNIC_DEV_NEED_QUISCENT
:
2064 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2065 val
|= ((u32
)0x1 << ((portnum
* 4) + 1));
2066 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2069 case QLCNIC_DEV_FAILED
:
2070 qlcnic_api_unlock(adapter
);
2074 qlcnic_api_unlock(adapter
);
2076 while ((QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
) != QLCNIC_DEV_READY
) &&
2083 if (qlcnic_api_lock(adapter
))
2086 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2087 val
&= ~((u32
)0x3 << (portnum
* 4));
2088 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2090 qlcnic_api_unlock(adapter
);
2096 qlcnic_fwinit_work(struct work_struct
*work
)
2098 struct qlcnic_adapter
*adapter
= container_of(work
,
2099 struct qlcnic_adapter
, fw_work
.work
);
2102 if (++adapter
->fw_wait_cnt
> FW_POLL_THRESH
)
2105 if (test_bit(__QLCNIC_START_FW
, &adapter
->state
)) {
2107 if (qlcnic_check_drv_state(adapter
)) {
2108 qlcnic_schedule_work(adapter
,
2109 qlcnic_fwinit_work
, FW_POLL_DELAY
);
2113 if (!qlcnic_start_firmware(adapter
)) {
2114 qlcnic_schedule_work(adapter
, qlcnic_attach_work
, 0);
2121 dev_state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2122 switch (dev_state
) {
2123 case QLCNIC_DEV_READY
:
2124 if (!qlcnic_start_firmware(adapter
)) {
2125 qlcnic_schedule_work(adapter
, qlcnic_attach_work
, 0);
2128 case QLCNIC_DEV_FAILED
:
2132 qlcnic_schedule_work(adapter
,
2133 qlcnic_fwinit_work
, 2 * FW_POLL_DELAY
);
2138 qlcnic_clr_all_drv_state(adapter
);
2142 qlcnic_detach_work(struct work_struct
*work
)
2144 struct qlcnic_adapter
*adapter
= container_of(work
,
2145 struct qlcnic_adapter
, fw_work
.work
);
2146 struct net_device
*netdev
= adapter
->netdev
;
2149 netif_device_detach(netdev
);
2151 qlcnic_down(adapter
, netdev
);
2154 qlcnic_detach(adapter
);
2157 status
= QLCRD32(adapter
, QLCNIC_PEG_HALT_STATUS1
);
2159 if (status
& QLCNIC_RCODE_FATAL_ERROR
)
2162 if (adapter
->temp
== QLCNIC_TEMP_PANIC
)
2165 qlcnic_set_drv_state(adapter
, adapter
->dev_state
);
2167 adapter
->fw_wait_cnt
= 0;
2169 qlcnic_schedule_work(adapter
, qlcnic_fwinit_work
, FW_POLL_DELAY
);
2174 qlcnic_clr_all_drv_state(adapter
);
2179 qlcnic_dev_request_reset(struct qlcnic_adapter
*adapter
)
2183 if (qlcnic_api_lock(adapter
))
2186 state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2188 if (state
!= QLCNIC_DEV_INITALIZING
&& state
!= QLCNIC_DEV_NEED_RESET
) {
2189 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_NEED_RESET
);
2190 set_bit(__QLCNIC_START_FW
, &adapter
->state
);
2193 qlcnic_api_unlock(adapter
);
2197 qlcnic_schedule_work(struct qlcnic_adapter
*adapter
,
2198 work_func_t func
, int delay
)
2200 INIT_DELAYED_WORK(&adapter
->fw_work
, func
);
2201 schedule_delayed_work(&adapter
->fw_work
, round_jiffies_relative(delay
));
2205 qlcnic_cancel_fw_work(struct qlcnic_adapter
*adapter
)
2207 while (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
2210 cancel_delayed_work_sync(&adapter
->fw_work
);
2214 qlcnic_attach_work(struct work_struct
*work
)
2216 struct qlcnic_adapter
*adapter
= container_of(work
,
2217 struct qlcnic_adapter
, fw_work
.work
);
2218 struct net_device
*netdev
= adapter
->netdev
;
2221 if (netif_running(netdev
)) {
2222 err
= qlcnic_attach(adapter
);
2226 err
= qlcnic_up(adapter
, netdev
);
2228 qlcnic_detach(adapter
);
2232 qlcnic_config_indev_addr(netdev
, NETDEV_UP
);
2235 netif_device_attach(netdev
);
2238 adapter
->fw_fail_cnt
= 0;
2239 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
2241 if (!qlcnic_clr_drv_state(adapter
))
2242 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
,
2247 qlcnic_check_health(struct qlcnic_adapter
*adapter
)
2249 u32 state
= 0, heartbit
;
2250 struct net_device
*netdev
= adapter
->netdev
;
2252 if (qlcnic_check_temp(adapter
))
2255 if (adapter
->need_fw_reset
) {
2256 qlcnic_dev_request_reset(adapter
);
2260 state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2261 if (state
== QLCNIC_DEV_NEED_RESET
|| state
== QLCNIC_DEV_NEED_QUISCENT
)
2262 adapter
->need_fw_reset
= 1;
2264 heartbit
= QLCRD32(adapter
, QLCNIC_PEG_ALIVE_COUNTER
);
2265 if (heartbit
!= adapter
->heartbit
) {
2266 adapter
->heartbit
= heartbit
;
2267 adapter
->fw_fail_cnt
= 0;
2268 if (adapter
->need_fw_reset
)
2273 if (++adapter
->fw_fail_cnt
< FW_FAIL_THRESH
)
2276 qlcnic_dev_request_reset(adapter
);
2278 clear_bit(__QLCNIC_FW_ATTACHED
, &adapter
->state
);
2280 dev_info(&netdev
->dev
, "firmware hang detected\n");
2283 adapter
->dev_state
= (state
== QLCNIC_DEV_NEED_QUISCENT
) ? state
:
2284 QLCNIC_DEV_NEED_RESET
;
2286 if ((auto_fw_reset
== AUTO_FW_RESET_ENABLED
) &&
2287 !test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
2288 qlcnic_schedule_work(adapter
, qlcnic_detach_work
, 0);
2294 qlcnic_fw_poll_work(struct work_struct
*work
)
2296 struct qlcnic_adapter
*adapter
= container_of(work
,
2297 struct qlcnic_adapter
, fw_work
.work
);
2299 if (test_bit(__QLCNIC_RESETTING
, &adapter
->state
))
2303 if (qlcnic_check_health(adapter
))
2307 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
2311 qlcnic_store_bridged_mode(struct device
*dev
,
2312 struct device_attribute
*attr
, const char *buf
, size_t len
)
2314 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2318 if (!(adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
))
2321 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2324 if (strict_strtoul(buf
, 2, &new))
2327 if (!qlcnic_config_bridged_mode(adapter
, !!new))
2335 qlcnic_show_bridged_mode(struct device
*dev
,
2336 struct device_attribute
*attr
, char *buf
)
2338 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2339 int bridged_mode
= 0;
2341 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2342 bridged_mode
= !!(adapter
->flags
& QLCNIC_BRIDGE_ENABLED
);
2344 return sprintf(buf
, "%d\n", bridged_mode
);
2347 static struct device_attribute dev_attr_bridged_mode
= {
2348 .attr
= {.name
= "bridged_mode", .mode
= (S_IRUGO
| S_IWUSR
)},
2349 .show
= qlcnic_show_bridged_mode
,
2350 .store
= qlcnic_store_bridged_mode
,
2354 qlcnic_store_diag_mode(struct device
*dev
,
2355 struct device_attribute
*attr
, const char *buf
, size_t len
)
2357 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2360 if (strict_strtoul(buf
, 2, &new))
2363 if (!!new != !!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2364 adapter
->flags
^= QLCNIC_DIAG_ENABLED
;
2370 qlcnic_show_diag_mode(struct device
*dev
,
2371 struct device_attribute
*attr
, char *buf
)
2373 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2375 return sprintf(buf
, "%d\n",
2376 !!(adapter
->flags
& QLCNIC_DIAG_ENABLED
));
2379 static struct device_attribute dev_attr_diag_mode
= {
2380 .attr
= {.name
= "diag_mode", .mode
= (S_IRUGO
| S_IWUSR
)},
2381 .show
= qlcnic_show_diag_mode
,
2382 .store
= qlcnic_store_diag_mode
,
2386 qlcnic_sysfs_validate_crb(struct qlcnic_adapter
*adapter
,
2387 loff_t offset
, size_t size
)
2389 if (!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2392 if ((size
!= 4) || (offset
& 0x3))
2395 if (offset
< QLCNIC_PCI_CRBSPACE
)
2402 qlcnic_sysfs_read_crb(struct kobject
*kobj
, struct bin_attribute
*attr
,
2403 char *buf
, loff_t offset
, size_t size
)
2405 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2406 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2410 ret
= qlcnic_sysfs_validate_crb(adapter
, offset
, size
);
2414 data
= QLCRD32(adapter
, offset
);
2415 memcpy(buf
, &data
, size
);
2420 qlcnic_sysfs_write_crb(struct kobject
*kobj
, struct bin_attribute
*attr
,
2421 char *buf
, loff_t offset
, size_t size
)
2423 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2424 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2428 ret
= qlcnic_sysfs_validate_crb(adapter
, offset
, size
);
2432 memcpy(&data
, buf
, size
);
2433 QLCWR32(adapter
, offset
, data
);
2438 qlcnic_sysfs_validate_mem(struct qlcnic_adapter
*adapter
,
2439 loff_t offset
, size_t size
)
2441 if (!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2444 if ((size
!= 8) || (offset
& 0x7))
2451 qlcnic_sysfs_read_mem(struct kobject
*kobj
, struct bin_attribute
*attr
,
2452 char *buf
, loff_t offset
, size_t size
)
2454 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2455 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2459 ret
= qlcnic_sysfs_validate_mem(adapter
, offset
, size
);
2463 if (qlcnic_pci_mem_read_2M(adapter
, offset
, &data
))
2466 memcpy(buf
, &data
, size
);
2472 qlcnic_sysfs_write_mem(struct kobject
*kobj
, struct bin_attribute
*attr
,
2473 char *buf
, loff_t offset
, size_t size
)
2475 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2476 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2480 ret
= qlcnic_sysfs_validate_mem(adapter
, offset
, size
);
2484 memcpy(&data
, buf
, size
);
2486 if (qlcnic_pci_mem_write_2M(adapter
, offset
, data
))
2493 static struct bin_attribute bin_attr_crb
= {
2494 .attr
= {.name
= "crb", .mode
= (S_IRUGO
| S_IWUSR
)},
2496 .read
= qlcnic_sysfs_read_crb
,
2497 .write
= qlcnic_sysfs_write_crb
,
2500 static struct bin_attribute bin_attr_mem
= {
2501 .attr
= {.name
= "mem", .mode
= (S_IRUGO
| S_IWUSR
)},
2503 .read
= qlcnic_sysfs_read_mem
,
2504 .write
= qlcnic_sysfs_write_mem
,
2508 qlcnic_create_sysfs_entries(struct qlcnic_adapter
*adapter
)
2510 struct device
*dev
= &adapter
->pdev
->dev
;
2512 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2513 if (device_create_file(dev
, &dev_attr_bridged_mode
))
2515 "failed to create bridged_mode sysfs entry\n");
2519 qlcnic_remove_sysfs_entries(struct qlcnic_adapter
*adapter
)
2521 struct device
*dev
= &adapter
->pdev
->dev
;
2523 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2524 device_remove_file(dev
, &dev_attr_bridged_mode
);
2528 qlcnic_create_diag_entries(struct qlcnic_adapter
*adapter
)
2530 struct device
*dev
= &adapter
->pdev
->dev
;
2532 if (device_create_file(dev
, &dev_attr_diag_mode
))
2533 dev_info(dev
, "failed to create diag_mode sysfs entry\n");
2534 if (device_create_bin_file(dev
, &bin_attr_crb
))
2535 dev_info(dev
, "failed to create crb sysfs entry\n");
2536 if (device_create_bin_file(dev
, &bin_attr_mem
))
2537 dev_info(dev
, "failed to create mem sysfs entry\n");
2542 qlcnic_remove_diag_entries(struct qlcnic_adapter
*adapter
)
2544 struct device
*dev
= &adapter
->pdev
->dev
;
2546 device_remove_file(dev
, &dev_attr_diag_mode
);
2547 device_remove_bin_file(dev
, &bin_attr_crb
);
2548 device_remove_bin_file(dev
, &bin_attr_mem
);
2553 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
2556 qlcnic_destip_supported(struct qlcnic_adapter
*adapter
)
2558 if (adapter
->ahw
.cut_through
)
2565 qlcnic_config_indev_addr(struct net_device
*dev
, unsigned long event
)
2567 struct in_device
*indev
;
2568 struct qlcnic_adapter
*adapter
= netdev_priv(dev
);
2570 if (!qlcnic_destip_supported(adapter
))
2573 indev
= in_dev_get(dev
);
2580 qlcnic_config_ipaddr(adapter
,
2581 ifa
->ifa_address
, QLCNIC_IP_UP
);
2584 qlcnic_config_ipaddr(adapter
,
2585 ifa
->ifa_address
, QLCNIC_IP_DOWN
);
2590 } endfor_ifa(indev
);
2596 static int qlcnic_netdev_event(struct notifier_block
*this,
2597 unsigned long event
, void *ptr
)
2599 struct qlcnic_adapter
*adapter
;
2600 struct net_device
*dev
= (struct net_device
*)ptr
;
2606 if (dev
->priv_flags
& IFF_802_1Q_VLAN
) {
2607 dev
= vlan_dev_real_dev(dev
);
2611 if (!is_qlcnic_netdev(dev
))
2614 adapter
= netdev_priv(dev
);
2619 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2622 qlcnic_config_indev_addr(dev
, event
);
2628 qlcnic_inetaddr_event(struct notifier_block
*this,
2629 unsigned long event
, void *ptr
)
2631 struct qlcnic_adapter
*adapter
;
2632 struct net_device
*dev
;
2634 struct in_ifaddr
*ifa
= (struct in_ifaddr
*)ptr
;
2636 dev
= ifa
->ifa_dev
? ifa
->ifa_dev
->dev
: NULL
;
2639 if (dev
== NULL
|| !netif_running(dev
))
2642 if (dev
->priv_flags
& IFF_802_1Q_VLAN
) {
2643 dev
= vlan_dev_real_dev(dev
);
2647 if (!is_qlcnic_netdev(dev
))
2650 adapter
= netdev_priv(dev
);
2652 if (!adapter
|| !qlcnic_destip_supported(adapter
))
2655 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2660 qlcnic_config_ipaddr(adapter
, ifa
->ifa_address
, QLCNIC_IP_UP
);
2663 qlcnic_config_ipaddr(adapter
, ifa
->ifa_address
, QLCNIC_IP_DOWN
);
2673 static struct notifier_block qlcnic_netdev_cb
= {
2674 .notifier_call
= qlcnic_netdev_event
,
2677 static struct notifier_block qlcnic_inetaddr_cb
= {
2678 .notifier_call
= qlcnic_inetaddr_event
,
2682 qlcnic_config_indev_addr(struct net_device
*dev
, unsigned long event
)
2686 static struct pci_driver qlcnic_driver
= {
2687 .name
= qlcnic_driver_name
,
2688 .id_table
= qlcnic_pci_tbl
,
2689 .probe
= qlcnic_probe
,
2690 .remove
= __devexit_p(qlcnic_remove
),
2692 .suspend
= qlcnic_suspend
,
2693 .resume
= qlcnic_resume
,
2695 .shutdown
= qlcnic_shutdown
2698 static int __init
qlcnic_init_module(void)
2701 printk(KERN_INFO
"%s\n", qlcnic_driver_string
);
2704 register_netdevice_notifier(&qlcnic_netdev_cb
);
2705 register_inetaddr_notifier(&qlcnic_inetaddr_cb
);
2709 return pci_register_driver(&qlcnic_driver
);
2712 module_init(qlcnic_init_module
);
2714 static void __exit
qlcnic_exit_module(void)
2717 pci_unregister_driver(&qlcnic_driver
);
2720 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb
);
2721 unregister_netdevice_notifier(&qlcnic_netdev_cb
);
2725 module_exit(qlcnic_exit_module
);