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
);
124 static const u32 msi_tgt_status
[8] = {
125 ISR_INT_TARGET_STATUS
, ISR_INT_TARGET_STATUS_F1
,
126 ISR_INT_TARGET_STATUS_F2
, ISR_INT_TARGET_STATUS_F3
,
127 ISR_INT_TARGET_STATUS_F4
, ISR_INT_TARGET_STATUS_F5
,
128 ISR_INT_TARGET_STATUS_F6
, ISR_INT_TARGET_STATUS_F7
132 struct qlcnic_legacy_intr_set legacy_intr
[] = QLCNIC_LEGACY_INTR_CONFIG
;
134 static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring
*sds_ring
)
136 writel(0, sds_ring
->crb_intr_mask
);
139 static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring
*sds_ring
)
141 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
143 writel(0x1, sds_ring
->crb_intr_mask
);
145 if (!QLCNIC_IS_MSI_FAMILY(adapter
))
146 writel(0xfbff, adapter
->tgt_mask_reg
);
150 qlcnic_alloc_sds_rings(struct qlcnic_recv_context
*recv_ctx
, int count
)
152 int size
= sizeof(struct qlcnic_host_sds_ring
) * count
;
154 recv_ctx
->sds_rings
= kzalloc(size
, GFP_KERNEL
);
156 return (recv_ctx
->sds_rings
== NULL
);
160 qlcnic_free_sds_rings(struct qlcnic_recv_context
*recv_ctx
)
162 if (recv_ctx
->sds_rings
!= NULL
)
163 kfree(recv_ctx
->sds_rings
);
165 recv_ctx
->sds_rings
= NULL
;
169 qlcnic_napi_add(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
172 struct qlcnic_host_sds_ring
*sds_ring
;
173 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
175 if (qlcnic_alloc_sds_rings(recv_ctx
, adapter
->max_sds_rings
))
178 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
179 sds_ring
= &recv_ctx
->sds_rings
[ring
];
180 netif_napi_add(netdev
, &sds_ring
->napi
,
181 qlcnic_poll
, QLCNIC_NETDEV_WEIGHT
);
188 qlcnic_napi_del(struct qlcnic_adapter
*adapter
)
191 struct qlcnic_host_sds_ring
*sds_ring
;
192 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
194 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
195 sds_ring
= &recv_ctx
->sds_rings
[ring
];
196 netif_napi_del(&sds_ring
->napi
);
199 qlcnic_free_sds_rings(&adapter
->recv_ctx
);
203 qlcnic_napi_enable(struct qlcnic_adapter
*adapter
)
206 struct qlcnic_host_sds_ring
*sds_ring
;
207 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
209 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
210 sds_ring
= &recv_ctx
->sds_rings
[ring
];
211 napi_enable(&sds_ring
->napi
);
212 qlcnic_enable_int(sds_ring
);
217 qlcnic_napi_disable(struct qlcnic_adapter
*adapter
)
220 struct qlcnic_host_sds_ring
*sds_ring
;
221 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
223 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
224 sds_ring
= &recv_ctx
->sds_rings
[ring
];
225 qlcnic_disable_int(sds_ring
);
226 napi_synchronize(&sds_ring
->napi
);
227 napi_disable(&sds_ring
->napi
);
231 static void qlcnic_clear_stats(struct qlcnic_adapter
*adapter
)
233 memset(&adapter
->stats
, 0, sizeof(adapter
->stats
));
237 static int qlcnic_set_dma_mask(struct qlcnic_adapter
*adapter
)
239 struct pci_dev
*pdev
= adapter
->pdev
;
242 adapter
->pci_using_dac
= 0;
244 mask
= DMA_BIT_MASK(39);
247 if (pci_set_dma_mask(pdev
, mask
) == 0 &&
248 pci_set_consistent_dma_mask(pdev
, cmask
) == 0) {
249 adapter
->pci_using_dac
= 1;
256 /* Update addressable range if firmware supports it */
258 qlcnic_update_dma_mask(struct qlcnic_adapter
*adapter
)
260 int change
, shift
, err
;
261 u64 mask
, old_mask
, old_cmask
;
262 struct pci_dev
*pdev
= adapter
->pdev
;
266 shift
= QLCRD32(adapter
, CRB_DMA_SHIFT
);
274 old_mask
= pdev
->dma_mask
;
275 old_cmask
= pdev
->dev
.coherent_dma_mask
;
277 mask
= DMA_BIT_MASK(32+shift
);
279 err
= pci_set_dma_mask(pdev
, mask
);
283 err
= pci_set_consistent_dma_mask(pdev
, mask
);
286 dev_info(&pdev
->dev
, "using %d-bit dma mask\n", 32+shift
);
292 pci_set_dma_mask(pdev
, old_mask
);
293 pci_set_consistent_dma_mask(pdev
, old_cmask
);
297 static void qlcnic_set_port_mode(struct qlcnic_adapter
*adapter
)
301 val
= adapter
->ahw
.board_type
;
302 if ((val
== QLCNIC_BRDTYPE_P3_HMEZ
) ||
303 (val
== QLCNIC_BRDTYPE_P3_XG_LOM
)) {
304 if (port_mode
== QLCNIC_PORT_MODE_802_3_AP
) {
305 data
= QLCNIC_PORT_MODE_802_3_AP
;
306 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
307 } else if (port_mode
== QLCNIC_PORT_MODE_XG
) {
308 data
= QLCNIC_PORT_MODE_XG
;
309 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
310 } else if (port_mode
== QLCNIC_PORT_MODE_AUTO_NEG_1G
) {
311 data
= QLCNIC_PORT_MODE_AUTO_NEG_1G
;
312 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
313 } else if (port_mode
== QLCNIC_PORT_MODE_AUTO_NEG_XG
) {
314 data
= QLCNIC_PORT_MODE_AUTO_NEG_XG
;
315 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
317 data
= QLCNIC_PORT_MODE_AUTO_NEG
;
318 QLCWR32(adapter
, QLCNIC_PORT_MODE_ADDR
, data
);
321 if ((wol_port_mode
!= QLCNIC_PORT_MODE_802_3_AP
) &&
322 (wol_port_mode
!= QLCNIC_PORT_MODE_XG
) &&
323 (wol_port_mode
!= QLCNIC_PORT_MODE_AUTO_NEG_1G
) &&
324 (wol_port_mode
!= QLCNIC_PORT_MODE_AUTO_NEG_XG
)) {
325 wol_port_mode
= QLCNIC_PORT_MODE_AUTO_NEG
;
327 QLCWR32(adapter
, QLCNIC_WOL_PORT_MODE
, wol_port_mode
);
331 static void qlcnic_set_msix_bit(struct pci_dev
*pdev
, int enable
)
336 pos
= pci_find_capability(pdev
, PCI_CAP_ID_MSIX
);
338 pci_read_config_dword(pdev
, pos
, &control
);
340 control
|= PCI_MSIX_FLAGS_ENABLE
;
343 pci_write_config_dword(pdev
, pos
, control
);
347 static void qlcnic_init_msix_entries(struct qlcnic_adapter
*adapter
, int count
)
351 for (i
= 0; i
< count
; i
++)
352 adapter
->msix_entries
[i
].entry
= i
;
356 qlcnic_read_mac_addr(struct qlcnic_adapter
*adapter
)
361 struct net_device
*netdev
= adapter
->netdev
;
362 struct pci_dev
*pdev
= adapter
->pdev
;
364 if (qlcnic_get_mac_addr(adapter
, &mac_addr
) != 0)
367 p
= (unsigned char *)&mac_addr
;
368 for (i
= 0; i
< 6; i
++)
369 netdev
->dev_addr
[i
] = *(p
+ 5 - i
);
371 memcpy(netdev
->perm_addr
, netdev
->dev_addr
, netdev
->addr_len
);
372 memcpy(adapter
->mac_addr
, netdev
->dev_addr
, netdev
->addr_len
);
374 /* set station address */
376 if (!is_valid_ether_addr(netdev
->perm_addr
))
377 dev_warn(&pdev
->dev
, "Bad MAC address %pM.\n",
383 static int qlcnic_set_mac(struct net_device
*netdev
, void *p
)
385 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
386 struct sockaddr
*addr
= p
;
388 if (!is_valid_ether_addr(addr
->sa_data
))
391 if (netif_running(netdev
)) {
392 netif_device_detach(netdev
);
393 qlcnic_napi_disable(adapter
);
396 memcpy(adapter
->mac_addr
, addr
->sa_data
, netdev
->addr_len
);
397 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
398 qlcnic_set_multi(adapter
->netdev
);
400 if (netif_running(netdev
)) {
401 netif_device_attach(netdev
);
402 qlcnic_napi_enable(adapter
);
407 static const struct net_device_ops qlcnic_netdev_ops
= {
408 .ndo_open
= qlcnic_open
,
409 .ndo_stop
= qlcnic_close
,
410 .ndo_start_xmit
= qlcnic_xmit_frame
,
411 .ndo_get_stats
= qlcnic_get_stats
,
412 .ndo_validate_addr
= eth_validate_addr
,
413 .ndo_set_multicast_list
= qlcnic_set_multi
,
414 .ndo_set_mac_address
= qlcnic_set_mac
,
415 .ndo_change_mtu
= qlcnic_change_mtu
,
416 .ndo_tx_timeout
= qlcnic_tx_timeout
,
417 #ifdef CONFIG_NET_POLL_CONTROLLER
418 .ndo_poll_controller
= qlcnic_poll_controller
,
423 qlcnic_setup_intr(struct qlcnic_adapter
*adapter
)
425 const struct qlcnic_legacy_intr_set
*legacy_intrp
;
426 struct pci_dev
*pdev
= adapter
->pdev
;
429 if (adapter
->rss_supported
) {
430 num_msix
= (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER
) ?
431 MSIX_ENTRIES_PER_ADAPTER
: 2;
435 adapter
->max_sds_rings
= 1;
437 adapter
->flags
&= ~(QLCNIC_MSI_ENABLED
| QLCNIC_MSIX_ENABLED
);
439 legacy_intrp
= &legacy_intr
[adapter
->ahw
.pci_func
];
441 adapter
->int_vec_bit
= legacy_intrp
->int_vec_bit
;
442 adapter
->tgt_status_reg
= qlcnic_get_ioaddr(adapter
,
443 legacy_intrp
->tgt_status_reg
);
444 adapter
->tgt_mask_reg
= qlcnic_get_ioaddr(adapter
,
445 legacy_intrp
->tgt_mask_reg
);
446 adapter
->isr_int_vec
= qlcnic_get_ioaddr(adapter
, ISR_INT_VECTOR
);
448 adapter
->crb_int_state_reg
= qlcnic_get_ioaddr(adapter
,
451 qlcnic_set_msix_bit(pdev
, 0);
453 if (adapter
->msix_supported
) {
455 qlcnic_init_msix_entries(adapter
, num_msix
);
456 err
= pci_enable_msix(pdev
, adapter
->msix_entries
, num_msix
);
458 adapter
->flags
|= QLCNIC_MSIX_ENABLED
;
459 qlcnic_set_msix_bit(pdev
, 1);
461 if (adapter
->rss_supported
)
462 adapter
->max_sds_rings
= num_msix
;
464 dev_info(&pdev
->dev
, "using msi-x interrupts\n");
469 pci_disable_msix(pdev
);
471 /* fall through for msi */
474 if (use_msi
&& !pci_enable_msi(pdev
)) {
475 adapter
->flags
|= QLCNIC_MSI_ENABLED
;
476 adapter
->tgt_status_reg
= qlcnic_get_ioaddr(adapter
,
477 msi_tgt_status
[adapter
->ahw
.pci_func
]);
478 dev_info(&pdev
->dev
, "using msi interrupts\n");
479 adapter
->msix_entries
[0].vector
= pdev
->irq
;
483 dev_info(&pdev
->dev
, "using legacy interrupts\n");
484 adapter
->msix_entries
[0].vector
= pdev
->irq
;
488 qlcnic_teardown_intr(struct qlcnic_adapter
*adapter
)
490 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
491 pci_disable_msix(adapter
->pdev
);
492 if (adapter
->flags
& QLCNIC_MSI_ENABLED
)
493 pci_disable_msi(adapter
->pdev
);
497 qlcnic_cleanup_pci_map(struct qlcnic_adapter
*adapter
)
499 if (adapter
->ahw
.pci_base0
!= NULL
)
500 iounmap(adapter
->ahw
.pci_base0
);
504 qlcnic_setup_pci_map(struct qlcnic_adapter
*adapter
)
506 void __iomem
*mem_ptr0
= NULL
;
507 resource_size_t mem_base
;
508 unsigned long mem_len
, pci_len0
= 0;
510 struct pci_dev
*pdev
= adapter
->pdev
;
511 int pci_func
= adapter
->ahw
.pci_func
;
514 * Set the CRB window to invalid. If any register in window 0 is
515 * accessed it should set the window to 0 and then reset it to 1.
517 adapter
->ahw
.crb_win
= -1;
518 adapter
->ahw
.ocm_win
= -1;
520 /* remap phys address */
521 mem_base
= pci_resource_start(pdev
, 0); /* 0 is for BAR 0 */
522 mem_len
= pci_resource_len(pdev
, 0);
524 if (mem_len
== QLCNIC_PCI_2MB_SIZE
) {
526 mem_ptr0
= pci_ioremap_bar(pdev
, 0);
527 if (mem_ptr0
== NULL
) {
528 dev_err(&pdev
->dev
, "failed to map PCI bar 0\n");
536 dev_info(&pdev
->dev
, "%dMB memory map\n", (int)(mem_len
>>20));
538 adapter
->ahw
.pci_base0
= mem_ptr0
;
539 adapter
->ahw
.pci_len0
= pci_len0
;
541 adapter
->ahw
.ocm_win_crb
= qlcnic_get_ioaddr(adapter
,
542 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func
)));
547 static void get_brd_name(struct qlcnic_adapter
*adapter
, char *name
)
549 struct pci_dev
*pdev
= adapter
->pdev
;
552 for (i
= 0; i
< NUM_SUPPORTED_BOARDS
; ++i
) {
553 if (qlcnic_boards
[i
].vendor
== pdev
->vendor
&&
554 qlcnic_boards
[i
].device
== pdev
->device
&&
555 qlcnic_boards
[i
].sub_vendor
== pdev
->subsystem_vendor
&&
556 qlcnic_boards
[i
].sub_device
== pdev
->subsystem_device
) {
557 strcpy(name
, qlcnic_boards
[i
].short_name
);
569 qlcnic_check_options(struct qlcnic_adapter
*adapter
)
571 u32 fw_major
, fw_minor
, fw_build
;
572 char brd_name
[QLCNIC_MAX_BOARD_NAME_LEN
];
576 struct pci_dev
*pdev
= adapter
->pdev
;
578 adapter
->driver_mismatch
= 0;
580 ptr32
= (int *)&serial_num
;
581 offset
= QLCNIC_FW_SERIAL_NUM_OFFSET
;
582 for (i
= 0; i
< 8; i
++) {
583 if (qlcnic_rom_fast_read(adapter
, offset
, &val
) == -1) {
584 dev_err(&pdev
->dev
, "error reading board info\n");
585 adapter
->driver_mismatch
= 1;
588 ptr32
[i
] = cpu_to_le32(val
);
589 offset
+= sizeof(u32
);
592 fw_major
= QLCRD32(adapter
, QLCNIC_FW_VERSION_MAJOR
);
593 fw_minor
= QLCRD32(adapter
, QLCNIC_FW_VERSION_MINOR
);
594 fw_build
= QLCRD32(adapter
, QLCNIC_FW_VERSION_SUB
);
596 adapter
->fw_version
= QLCNIC_VERSION_CODE(fw_major
, fw_minor
, fw_build
);
598 if (adapter
->portnum
== 0) {
599 get_brd_name(adapter
, brd_name
);
601 pr_info("%s: %s Board Chip rev 0x%x\n",
602 module_name(THIS_MODULE
),
603 brd_name
, adapter
->ahw
.revision_id
);
606 if (adapter
->fw_version
< QLCNIC_VERSION_CODE(3, 4, 216)) {
607 adapter
->driver_mismatch
= 1;
608 dev_warn(&pdev
->dev
, "firmware version %d.%d.%d unsupported\n",
609 fw_major
, fw_minor
, fw_build
);
613 i
= QLCRD32(adapter
, QLCNIC_SRE_MISC
);
614 adapter
->ahw
.cut_through
= (i
& 0x8000) ? 1 : 0;
616 dev_info(&pdev
->dev
, "firmware v%d.%d.%d [%s]\n",
617 fw_major
, fw_minor
, fw_build
,
618 adapter
->ahw
.cut_through
? "cut-through" : "legacy");
620 if (adapter
->fw_version
>= QLCNIC_VERSION_CODE(4, 0, 222))
621 adapter
->capabilities
= QLCRD32(adapter
, CRB_FW_CAPABILITIES_1
);
623 adapter
->flags
&= ~QLCNIC_LRO_ENABLED
;
625 if (adapter
->ahw
.port_type
== QLCNIC_XGBE
) {
626 adapter
->num_rxd
= DEFAULT_RCV_DESCRIPTORS_10G
;
627 adapter
->num_jumbo_rxd
= MAX_JUMBO_RCV_DESCRIPTORS_10G
;
628 } else if (adapter
->ahw
.port_type
== QLCNIC_GBE
) {
629 adapter
->num_rxd
= DEFAULT_RCV_DESCRIPTORS_1G
;
630 adapter
->num_jumbo_rxd
= MAX_JUMBO_RCV_DESCRIPTORS_1G
;
633 adapter
->msix_supported
= !!use_msi_x
;
634 adapter
->rss_supported
= !!use_msi_x
;
636 adapter
->num_txd
= MAX_CMD_DESCRIPTORS
;
638 adapter
->num_lro_rxd
= 0;
639 adapter
->max_rds_rings
= 2;
643 qlcnic_start_firmware(struct qlcnic_adapter
*adapter
)
645 int val
, err
, first_boot
;
647 err
= qlcnic_set_dma_mask(adapter
);
651 if (!qlcnic_can_start_firmware(adapter
))
654 first_boot
= QLCRD32(adapter
, QLCNIC_CAM_RAM(0x1fc));
655 if (first_boot
== 0x55555555)
656 /* This is the first boot after power up */
657 QLCWR32(adapter
, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC
);
659 qlcnic_request_firmware(adapter
);
661 err
= qlcnic_need_fw_reset(adapter
);
667 if (first_boot
!= 0x55555555) {
668 QLCWR32(adapter
, CRB_CMDPEG_STATE
, 0);
669 qlcnic_pinit_from_rom(adapter
);
673 QLCWR32(adapter
, CRB_DMA_SHIFT
, 0x55555555);
674 QLCWR32(adapter
, QLCNIC_PEG_HALT_STATUS1
, 0);
675 QLCWR32(adapter
, QLCNIC_PEG_HALT_STATUS2
, 0);
677 qlcnic_set_port_mode(adapter
);
679 err
= qlcnic_load_firmware(adapter
);
683 qlcnic_release_firmware(adapter
);
685 val
= (_QLCNIC_LINUX_MAJOR
<< 16)
686 | ((_QLCNIC_LINUX_MINOR
<< 8))
687 | (_QLCNIC_LINUX_SUBVERSION
);
688 QLCWR32(adapter
, CRB_DRIVER_VERSION
, val
);
691 /* Handshake with the card before we register the devices. */
692 err
= qlcnic_phantom_init(adapter
);
696 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_READY
);
698 qlcnic_update_dma_mask(adapter
);
700 qlcnic_check_options(adapter
);
702 adapter
->need_fw_reset
= 0;
704 /* fall through and release firmware */
707 qlcnic_release_firmware(adapter
);
712 qlcnic_request_irq(struct qlcnic_adapter
*adapter
)
714 irq_handler_t handler
;
715 struct qlcnic_host_sds_ring
*sds_ring
;
718 unsigned long flags
= 0;
719 struct net_device
*netdev
= adapter
->netdev
;
720 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
722 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
723 handler
= qlcnic_tmp_intr
;
724 if (!QLCNIC_IS_MSI_FAMILY(adapter
))
725 flags
|= IRQF_SHARED
;
728 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
729 handler
= qlcnic_msix_intr
;
730 else if (adapter
->flags
& QLCNIC_MSI_ENABLED
)
731 handler
= qlcnic_msi_intr
;
733 flags
|= IRQF_SHARED
;
734 handler
= qlcnic_intr
;
737 adapter
->irq
= netdev
->irq
;
739 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
740 sds_ring
= &recv_ctx
->sds_rings
[ring
];
741 sprintf(sds_ring
->name
, "%s[%d]", netdev
->name
, ring
);
742 err
= request_irq(sds_ring
->irq
, handler
,
743 flags
, sds_ring
->name
, sds_ring
);
752 qlcnic_free_irq(struct qlcnic_adapter
*adapter
)
755 struct qlcnic_host_sds_ring
*sds_ring
;
757 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
759 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
760 sds_ring
= &recv_ctx
->sds_rings
[ring
];
761 free_irq(sds_ring
->irq
, sds_ring
);
766 qlcnic_init_coalesce_defaults(struct qlcnic_adapter
*adapter
)
768 adapter
->coal
.flags
= QLCNIC_INTR_DEFAULT
;
769 adapter
->coal
.normal
.data
.rx_time_us
=
770 QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US
;
771 adapter
->coal
.normal
.data
.rx_packets
=
772 QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS
;
773 adapter
->coal
.normal
.data
.tx_time_us
=
774 QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US
;
775 adapter
->coal
.normal
.data
.tx_packets
=
776 QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS
;
780 __qlcnic_up(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
782 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
785 qlcnic_set_multi(netdev
);
786 qlcnic_fw_cmd_set_mtu(adapter
, netdev
->mtu
);
788 adapter
->ahw
.linkup
= 0;
790 if (adapter
->max_sds_rings
> 1)
791 qlcnic_config_rss(adapter
, 1);
793 qlcnic_config_intr_coalesce(adapter
);
795 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_HW_LRO
)
796 qlcnic_config_hw_lro(adapter
, QLCNIC_LRO_ENABLED
);
798 qlcnic_napi_enable(adapter
);
800 qlcnic_linkevent_request(adapter
, 1);
802 set_bit(__QLCNIC_DEV_UP
, &adapter
->state
);
806 /* Usage: During resume and firmware recovery module.*/
809 qlcnic_up(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
814 if (netif_running(netdev
))
815 err
= __qlcnic_up(adapter
, netdev
);
822 __qlcnic_down(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
824 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
827 if (!test_and_clear_bit(__QLCNIC_DEV_UP
, &adapter
->state
))
831 spin_lock(&adapter
->tx_clean_lock
);
832 netif_carrier_off(netdev
);
833 netif_tx_disable(netdev
);
835 qlcnic_free_mac_list(adapter
);
837 qlcnic_nic_set_promisc(adapter
, QLCNIC_NIU_NON_PROMISC_MODE
);
839 qlcnic_napi_disable(adapter
);
841 qlcnic_release_tx_buffers(adapter
);
842 spin_unlock(&adapter
->tx_clean_lock
);
845 /* Usage: During suspend and firmware recovery module */
848 qlcnic_down(struct qlcnic_adapter
*adapter
, struct net_device
*netdev
)
851 if (netif_running(netdev
))
852 __qlcnic_down(adapter
, netdev
);
858 qlcnic_attach(struct qlcnic_adapter
*adapter
)
860 struct net_device
*netdev
= adapter
->netdev
;
861 struct pci_dev
*pdev
= adapter
->pdev
;
863 struct qlcnic_host_rds_ring
*rds_ring
;
865 if (adapter
->is_up
== QLCNIC_ADAPTER_UP_MAGIC
)
868 err
= qlcnic_init_firmware(adapter
);
872 err
= qlcnic_napi_add(adapter
, netdev
);
876 err
= qlcnic_alloc_sw_resources(adapter
);
878 dev_err(&pdev
->dev
, "Error in setting sw resources\n");
882 err
= qlcnic_alloc_hw_resources(adapter
);
884 dev_err(&pdev
->dev
, "Error in setting hw resources\n");
885 goto err_out_free_sw
;
889 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
890 rds_ring
= &adapter
->recv_ctx
.rds_rings
[ring
];
891 qlcnic_post_rx_buffers(adapter
, ring
, rds_ring
);
894 err
= qlcnic_request_irq(adapter
);
896 dev_err(&pdev
->dev
, "failed to setup interrupt\n");
897 goto err_out_free_rxbuf
;
900 qlcnic_init_coalesce_defaults(adapter
);
902 qlcnic_create_sysfs_entries(adapter
);
904 adapter
->is_up
= QLCNIC_ADAPTER_UP_MAGIC
;
908 qlcnic_release_rx_buffers(adapter
);
909 qlcnic_free_hw_resources(adapter
);
911 qlcnic_free_sw_resources(adapter
);
916 qlcnic_detach(struct qlcnic_adapter
*adapter
)
918 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
921 qlcnic_remove_sysfs_entries(adapter
);
923 qlcnic_free_hw_resources(adapter
);
924 qlcnic_release_rx_buffers(adapter
);
925 qlcnic_free_irq(adapter
);
926 qlcnic_napi_del(adapter
);
927 qlcnic_free_sw_resources(adapter
);
932 void qlcnic_diag_free_res(struct net_device
*netdev
, int max_sds_rings
)
934 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
935 struct qlcnic_host_sds_ring
*sds_ring
;
938 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
939 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
940 sds_ring
= &adapter
->recv_ctx
.sds_rings
[ring
];
941 qlcnic_disable_int(sds_ring
);
945 qlcnic_detach(adapter
);
947 adapter
->diag_test
= 0;
948 adapter
->max_sds_rings
= max_sds_rings
;
950 if (qlcnic_attach(adapter
))
953 if (netif_running(netdev
))
954 __qlcnic_up(adapter
, netdev
);
956 netif_device_attach(netdev
);
959 int qlcnic_diag_alloc_res(struct net_device
*netdev
, int test
)
961 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
962 struct qlcnic_host_sds_ring
*sds_ring
;
966 netif_device_detach(netdev
);
968 if (netif_running(netdev
))
969 __qlcnic_down(adapter
, netdev
);
971 qlcnic_detach(adapter
);
973 adapter
->max_sds_rings
= 1;
974 adapter
->diag_test
= test
;
976 ret
= qlcnic_attach(adapter
);
980 if (adapter
->diag_test
== QLCNIC_INTERRUPT_TEST
) {
981 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
982 sds_ring
= &adapter
->recv_ctx
.sds_rings
[ring
];
983 qlcnic_enable_int(sds_ring
);
991 qlcnic_reset_context(struct qlcnic_adapter
*adapter
)
994 struct net_device
*netdev
= adapter
->netdev
;
996 if (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
999 if (adapter
->is_up
== QLCNIC_ADAPTER_UP_MAGIC
) {
1001 netif_device_detach(netdev
);
1003 if (netif_running(netdev
))
1004 __qlcnic_down(adapter
, netdev
);
1006 qlcnic_detach(adapter
);
1008 if (netif_running(netdev
)) {
1009 err
= qlcnic_attach(adapter
);
1011 err
= __qlcnic_up(adapter
, netdev
);
1017 netif_device_attach(netdev
);
1021 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1026 qlcnic_setup_netdev(struct qlcnic_adapter
*adapter
,
1027 struct net_device
*netdev
)
1030 struct pci_dev
*pdev
= adapter
->pdev
;
1032 adapter
->rx_csum
= 1;
1033 adapter
->mc_enabled
= 0;
1034 adapter
->max_mc_count
= 38;
1036 netdev
->netdev_ops
= &qlcnic_netdev_ops
;
1037 netdev
->watchdog_timeo
= 2*HZ
;
1039 qlcnic_change_mtu(netdev
, netdev
->mtu
);
1041 SET_ETHTOOL_OPS(netdev
, &qlcnic_ethtool_ops
);
1043 netdev
->features
|= (NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
);
1044 netdev
->features
|= (NETIF_F_GRO
);
1045 netdev
->vlan_features
|= (NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
);
1047 netdev
->features
|= (NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1048 netdev
->vlan_features
|= (NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1050 if (adapter
->pci_using_dac
) {
1051 netdev
->features
|= NETIF_F_HIGHDMA
;
1052 netdev
->vlan_features
|= NETIF_F_HIGHDMA
;
1055 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_FVLANTX
)
1056 netdev
->features
|= (NETIF_F_HW_VLAN_TX
);
1058 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_HW_LRO
)
1059 netdev
->features
|= NETIF_F_LRO
;
1061 netdev
->irq
= adapter
->msix_entries
[0].vector
;
1063 INIT_WORK(&adapter
->tx_timeout_task
, qlcnic_tx_timeout_task
);
1065 if (qlcnic_read_mac_addr(adapter
))
1066 dev_warn(&pdev
->dev
, "failed to read mac addr\n");
1068 netif_carrier_off(netdev
);
1069 netif_stop_queue(netdev
);
1071 err
= register_netdev(netdev
);
1073 dev_err(&pdev
->dev
, "failed to register net device\n");
1080 static int __devinit
1081 qlcnic_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
1083 struct net_device
*netdev
= NULL
;
1084 struct qlcnic_adapter
*adapter
= NULL
;
1086 int pci_func_id
= PCI_FUNC(pdev
->devfn
);
1087 uint8_t revision_id
;
1089 err
= pci_enable_device(pdev
);
1093 if (!(pci_resource_flags(pdev
, 0) & IORESOURCE_MEM
)) {
1095 goto err_out_disable_pdev
;
1098 err
= pci_request_regions(pdev
, qlcnic_driver_name
);
1100 goto err_out_disable_pdev
;
1102 pci_set_master(pdev
);
1104 netdev
= alloc_etherdev(sizeof(struct qlcnic_adapter
));
1106 dev_err(&pdev
->dev
, "failed to allocate net_device\n");
1108 goto err_out_free_res
;
1111 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
1113 adapter
= netdev_priv(netdev
);
1114 adapter
->netdev
= netdev
;
1115 adapter
->pdev
= pdev
;
1116 adapter
->ahw
.pci_func
= pci_func_id
;
1118 revision_id
= pdev
->revision
;
1119 adapter
->ahw
.revision_id
= revision_id
;
1121 rwlock_init(&adapter
->ahw
.crb_lock
);
1122 mutex_init(&adapter
->ahw
.mem_lock
);
1124 spin_lock_init(&adapter
->tx_clean_lock
);
1125 INIT_LIST_HEAD(&adapter
->mac_list
);
1127 err
= qlcnic_setup_pci_map(adapter
);
1129 goto err_out_free_netdev
;
1131 /* This will be reset for mezz cards */
1132 adapter
->portnum
= pci_func_id
;
1134 err
= qlcnic_get_board_info(adapter
);
1136 dev_err(&pdev
->dev
, "Error getting board config info.\n");
1137 goto err_out_iounmap
;
1141 err
= qlcnic_start_firmware(adapter
);
1143 goto err_out_decr_ref
;
1146 * See if the firmware gave us a virtual-physical port mapping.
1148 adapter
->physical_port
= adapter
->portnum
;
1150 qlcnic_clear_stats(adapter
);
1152 qlcnic_setup_intr(adapter
);
1154 err
= qlcnic_setup_netdev(adapter
, netdev
);
1156 goto err_out_disable_msi
;
1158 pci_set_drvdata(pdev
, adapter
);
1160 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
1162 switch (adapter
->ahw
.port_type
) {
1164 dev_info(&adapter
->pdev
->dev
, "%s: GbE port initialized\n",
1165 adapter
->netdev
->name
);
1168 dev_info(&adapter
->pdev
->dev
, "%s: XGbE port initialized\n",
1169 adapter
->netdev
->name
);
1173 qlcnic_create_diag_entries(adapter
);
1177 err_out_disable_msi
:
1178 qlcnic_teardown_intr(adapter
);
1181 qlcnic_clr_all_drv_state(adapter
);
1184 qlcnic_cleanup_pci_map(adapter
);
1186 err_out_free_netdev
:
1187 free_netdev(netdev
);
1190 pci_release_regions(pdev
);
1192 err_out_disable_pdev
:
1193 pci_set_drvdata(pdev
, NULL
);
1194 pci_disable_device(pdev
);
1198 static void __devexit
qlcnic_remove(struct pci_dev
*pdev
)
1200 struct qlcnic_adapter
*adapter
;
1201 struct net_device
*netdev
;
1203 adapter
= pci_get_drvdata(pdev
);
1204 if (adapter
== NULL
)
1207 netdev
= adapter
->netdev
;
1209 qlcnic_cancel_fw_work(adapter
);
1211 unregister_netdev(netdev
);
1213 cancel_work_sync(&adapter
->tx_timeout_task
);
1215 qlcnic_detach(adapter
);
1217 qlcnic_clr_all_drv_state(adapter
);
1219 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1221 qlcnic_teardown_intr(adapter
);
1223 qlcnic_remove_diag_entries(adapter
);
1225 qlcnic_cleanup_pci_map(adapter
);
1227 qlcnic_release_firmware(adapter
);
1229 pci_release_regions(pdev
);
1230 pci_disable_device(pdev
);
1231 pci_set_drvdata(pdev
, NULL
);
1233 free_netdev(netdev
);
1235 static int __qlcnic_shutdown(struct pci_dev
*pdev
)
1237 struct qlcnic_adapter
*adapter
= pci_get_drvdata(pdev
);
1238 struct net_device
*netdev
= adapter
->netdev
;
1241 netif_device_detach(netdev
);
1243 qlcnic_cancel_fw_work(adapter
);
1245 if (netif_running(netdev
))
1246 qlcnic_down(adapter
, netdev
);
1248 cancel_work_sync(&adapter
->tx_timeout_task
);
1250 qlcnic_detach(adapter
);
1252 qlcnic_clr_all_drv_state(adapter
);
1254 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1256 retval
= pci_save_state(pdev
);
1260 if (qlcnic_wol_supported(adapter
)) {
1261 pci_enable_wake(pdev
, PCI_D3cold
, 1);
1262 pci_enable_wake(pdev
, PCI_D3hot
, 1);
1268 static void qlcnic_shutdown(struct pci_dev
*pdev
)
1270 if (__qlcnic_shutdown(pdev
))
1273 pci_disable_device(pdev
);
1278 qlcnic_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1282 retval
= __qlcnic_shutdown(pdev
);
1286 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
1291 qlcnic_resume(struct pci_dev
*pdev
)
1293 struct qlcnic_adapter
*adapter
= pci_get_drvdata(pdev
);
1294 struct net_device
*netdev
= adapter
->netdev
;
1297 err
= pci_enable_device(pdev
);
1301 pci_set_power_state(pdev
, PCI_D0
);
1302 pci_set_master(pdev
);
1303 pci_restore_state(pdev
);
1305 adapter
->ahw
.crb_win
= -1;
1306 adapter
->ahw
.ocm_win
= -1;
1308 err
= qlcnic_start_firmware(adapter
);
1310 dev_err(&pdev
->dev
, "failed to start firmware\n");
1314 if (netif_running(netdev
)) {
1315 err
= qlcnic_attach(adapter
);
1319 err
= qlcnic_up(adapter
, netdev
);
1321 goto err_out_detach
;
1324 qlcnic_config_indev_addr(netdev
, NETDEV_UP
);
1327 netif_device_attach(netdev
);
1328 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
1332 qlcnic_detach(adapter
);
1334 qlcnic_clr_all_drv_state(adapter
);
1339 static int qlcnic_open(struct net_device
*netdev
)
1341 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1344 if (adapter
->driver_mismatch
)
1347 err
= qlcnic_attach(adapter
);
1351 err
= __qlcnic_up(adapter
, netdev
);
1355 netif_start_queue(netdev
);
1360 qlcnic_detach(adapter
);
1365 * qlcnic_close - Disables a network interface entry point
1367 static int qlcnic_close(struct net_device
*netdev
)
1369 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1371 __qlcnic_down(adapter
, netdev
);
1376 qlcnic_tso_check(struct net_device
*netdev
,
1377 struct qlcnic_host_tx_ring
*tx_ring
,
1378 struct cmd_desc_type0
*first_desc
,
1379 struct sk_buff
*skb
)
1381 u8 opcode
= TX_ETHER_PKT
;
1382 __be16 protocol
= skb
->protocol
;
1383 u16 flags
= 0, vid
= 0;
1385 int copied
, offset
, copy_len
, hdr_len
= 0, tso
= 0, vlan_oob
= 0;
1386 struct cmd_desc_type0
*hwdesc
;
1387 struct vlan_ethhdr
*vh
;
1389 if (protocol
== cpu_to_be16(ETH_P_8021Q
)) {
1391 vh
= (struct vlan_ethhdr
*)skb
->data
;
1392 protocol
= vh
->h_vlan_encapsulated_proto
;
1393 flags
= FLAGS_VLAN_TAGGED
;
1395 } else if (vlan_tx_tag_present(skb
)) {
1397 flags
= FLAGS_VLAN_OOB
;
1398 vid
= vlan_tx_tag_get(skb
);
1399 qlcnic_set_tx_vlan_tci(first_desc
, vid
);
1403 if ((netdev
->features
& (NETIF_F_TSO
| NETIF_F_TSO6
)) &&
1404 skb_shinfo(skb
)->gso_size
> 0) {
1406 hdr_len
= skb_transport_offset(skb
) + tcp_hdrlen(skb
);
1408 first_desc
->mss
= cpu_to_le16(skb_shinfo(skb
)->gso_size
);
1409 first_desc
->total_hdr_length
= hdr_len
;
1411 first_desc
->total_hdr_length
+= VLAN_HLEN
;
1412 first_desc
->tcp_hdr_offset
= VLAN_HLEN
;
1413 first_desc
->ip_hdr_offset
= VLAN_HLEN
;
1414 /* Only in case of TSO on vlan device */
1415 flags
|= FLAGS_VLAN_TAGGED
;
1418 opcode
= (protocol
== cpu_to_be16(ETH_P_IPV6
)) ?
1419 TX_TCP_LSO6
: TX_TCP_LSO
;
1422 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
1425 if (protocol
== cpu_to_be16(ETH_P_IP
)) {
1426 l4proto
= ip_hdr(skb
)->protocol
;
1428 if (l4proto
== IPPROTO_TCP
)
1429 opcode
= TX_TCP_PKT
;
1430 else if (l4proto
== IPPROTO_UDP
)
1431 opcode
= TX_UDP_PKT
;
1432 } else if (protocol
== cpu_to_be16(ETH_P_IPV6
)) {
1433 l4proto
= ipv6_hdr(skb
)->nexthdr
;
1435 if (l4proto
== IPPROTO_TCP
)
1436 opcode
= TX_TCPV6_PKT
;
1437 else if (l4proto
== IPPROTO_UDP
)
1438 opcode
= TX_UDPV6_PKT
;
1442 first_desc
->tcp_hdr_offset
+= skb_transport_offset(skb
);
1443 first_desc
->ip_hdr_offset
+= skb_network_offset(skb
);
1444 qlcnic_set_tx_flags_opcode(first_desc
, flags
, opcode
);
1449 /* For LSO, we need to copy the MAC/IP/TCP headers into
1450 * the descriptor ring
1452 producer
= tx_ring
->producer
;
1457 /* Create a TSO vlan header template for firmware */
1459 hwdesc
= &tx_ring
->desc_head
[producer
];
1460 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1462 copy_len
= min((int)sizeof(struct cmd_desc_type0
) - offset
,
1463 hdr_len
+ VLAN_HLEN
);
1465 vh
= (struct vlan_ethhdr
*)((char *)hwdesc
+ 2);
1466 skb_copy_from_linear_data(skb
, vh
, 12);
1467 vh
->h_vlan_proto
= htons(ETH_P_8021Q
);
1468 vh
->h_vlan_TCI
= htons(vid
);
1469 skb_copy_from_linear_data_offset(skb
, 12,
1470 (char *)vh
+ 16, copy_len
- 16);
1472 copied
= copy_len
- VLAN_HLEN
;
1475 producer
= get_next_index(producer
, tx_ring
->num_desc
);
1478 while (copied
< hdr_len
) {
1480 copy_len
= min((int)sizeof(struct cmd_desc_type0
) - offset
,
1481 (hdr_len
- copied
));
1483 hwdesc
= &tx_ring
->desc_head
[producer
];
1484 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1486 skb_copy_from_linear_data_offset(skb
, copied
,
1487 (char *)hwdesc
+ offset
, copy_len
);
1492 producer
= get_next_index(producer
, tx_ring
->num_desc
);
1495 tx_ring
->producer
= producer
;
1500 qlcnic_map_tx_skb(struct pci_dev
*pdev
,
1501 struct sk_buff
*skb
, struct qlcnic_cmd_buffer
*pbuf
)
1503 struct qlcnic_skb_frag
*nf
;
1504 struct skb_frag_struct
*frag
;
1508 nr_frags
= skb_shinfo(skb
)->nr_frags
;
1509 nf
= &pbuf
->frag_array
[0];
1511 map
= pci_map_single(pdev
, skb
->data
,
1512 skb_headlen(skb
), PCI_DMA_TODEVICE
);
1513 if (pci_dma_mapping_error(pdev
, map
))
1517 nf
->length
= skb_headlen(skb
);
1519 for (i
= 0; i
< nr_frags
; i
++) {
1520 frag
= &skb_shinfo(skb
)->frags
[i
];
1521 nf
= &pbuf
->frag_array
[i
+1];
1523 map
= pci_map_page(pdev
, frag
->page
, frag
->page_offset
,
1524 frag
->size
, PCI_DMA_TODEVICE
);
1525 if (pci_dma_mapping_error(pdev
, map
))
1529 nf
->length
= frag
->size
;
1536 nf
= &pbuf
->frag_array
[i
+1];
1537 pci_unmap_page(pdev
, nf
->dma
, nf
->length
, PCI_DMA_TODEVICE
);
1540 nf
= &pbuf
->frag_array
[0];
1541 pci_unmap_single(pdev
, nf
->dma
, skb_headlen(skb
), PCI_DMA_TODEVICE
);
1548 qlcnic_clear_cmddesc(u64
*desc
)
1555 qlcnic_xmit_frame(struct sk_buff
*skb
, struct net_device
*netdev
)
1557 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1558 struct qlcnic_host_tx_ring
*tx_ring
= adapter
->tx_ring
;
1559 struct qlcnic_cmd_buffer
*pbuf
;
1560 struct qlcnic_skb_frag
*buffrag
;
1561 struct cmd_desc_type0
*hwdesc
, *first_desc
;
1562 struct pci_dev
*pdev
;
1566 int frag_count
, no_of_desc
;
1567 u32 num_txd
= tx_ring
->num_desc
;
1569 frag_count
= skb_shinfo(skb
)->nr_frags
+ 1;
1571 /* 4 fragments per cmd des */
1572 no_of_desc
= (frag_count
+ 3) >> 2;
1574 if (unlikely(no_of_desc
+ 2 > qlcnic_tx_avail(tx_ring
))) {
1575 netif_stop_queue(netdev
);
1576 return NETDEV_TX_BUSY
;
1579 producer
= tx_ring
->producer
;
1580 pbuf
= &tx_ring
->cmd_buf_arr
[producer
];
1582 pdev
= adapter
->pdev
;
1584 if (qlcnic_map_tx_skb(pdev
, skb
, pbuf
))
1588 pbuf
->frag_count
= frag_count
;
1590 first_desc
= hwdesc
= &tx_ring
->desc_head
[producer
];
1591 qlcnic_clear_cmddesc((u64
*)hwdesc
);
1593 qlcnic_set_tx_frags_len(first_desc
, frag_count
, skb
->len
);
1594 qlcnic_set_tx_port(first_desc
, adapter
->portnum
);
1596 for (i
= 0; i
< frag_count
; i
++) {
1600 if ((k
== 0) && (i
> 0)) {
1601 /* move to next desc.*/
1602 producer
= get_next_index(producer
, num_txd
);
1603 hwdesc
= &tx_ring
->desc_head
[producer
];
1604 qlcnic_clear_cmddesc((u64
*)hwdesc
);
1605 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1608 buffrag
= &pbuf
->frag_array
[i
];
1610 hwdesc
->buffer_length
[k
] = cpu_to_le16(buffrag
->length
);
1613 hwdesc
->addr_buffer1
= cpu_to_le64(buffrag
->dma
);
1616 hwdesc
->addr_buffer2
= cpu_to_le64(buffrag
->dma
);
1619 hwdesc
->addr_buffer3
= cpu_to_le64(buffrag
->dma
);
1622 hwdesc
->addr_buffer4
= cpu_to_le64(buffrag
->dma
);
1627 tx_ring
->producer
= get_next_index(producer
, num_txd
);
1629 qlcnic_tso_check(netdev
, tx_ring
, first_desc
, skb
);
1631 qlcnic_update_cmd_producer(adapter
, tx_ring
);
1633 adapter
->stats
.txbytes
+= skb
->len
;
1634 adapter
->stats
.xmitcalled
++;
1636 return NETDEV_TX_OK
;
1639 adapter
->stats
.txdropped
++;
1640 dev_kfree_skb_any(skb
);
1641 return NETDEV_TX_OK
;
1644 static int qlcnic_check_temp(struct qlcnic_adapter
*adapter
)
1646 struct net_device
*netdev
= adapter
->netdev
;
1647 u32 temp
, temp_state
, temp_val
;
1650 temp
= QLCRD32(adapter
, CRB_TEMP_STATE
);
1652 temp_state
= qlcnic_get_temp_state(temp
);
1653 temp_val
= qlcnic_get_temp_val(temp
);
1655 if (temp_state
== QLCNIC_TEMP_PANIC
) {
1656 dev_err(&netdev
->dev
,
1657 "Device temperature %d degrees C exceeds"
1658 " maximum allowed. Hardware has been shut down.\n",
1661 } else if (temp_state
== QLCNIC_TEMP_WARN
) {
1662 if (adapter
->temp
== QLCNIC_TEMP_NORMAL
) {
1663 dev_err(&netdev
->dev
,
1664 "Device temperature %d degrees C "
1665 "exceeds operating range."
1666 " Immediate action needed.\n",
1670 if (adapter
->temp
== QLCNIC_TEMP_WARN
) {
1671 dev_info(&netdev
->dev
,
1672 "Device temperature is now %d degrees C"
1673 " in normal range.\n", temp_val
);
1676 adapter
->temp
= temp_state
;
1680 void qlcnic_advert_link_change(struct qlcnic_adapter
*adapter
, int linkup
)
1682 struct net_device
*netdev
= adapter
->netdev
;
1684 if (adapter
->ahw
.linkup
&& !linkup
) {
1685 dev_info(&netdev
->dev
, "NIC Link is down\n");
1686 adapter
->ahw
.linkup
= 0;
1687 if (netif_running(netdev
)) {
1688 netif_carrier_off(netdev
);
1689 netif_stop_queue(netdev
);
1691 } else if (!adapter
->ahw
.linkup
&& linkup
) {
1692 dev_info(&netdev
->dev
, "NIC Link is up\n");
1693 adapter
->ahw
.linkup
= 1;
1694 if (netif_running(netdev
)) {
1695 netif_carrier_on(netdev
);
1696 netif_wake_queue(netdev
);
1701 static void qlcnic_tx_timeout(struct net_device
*netdev
)
1703 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1705 if (test_bit(__QLCNIC_RESETTING
, &adapter
->state
))
1708 dev_err(&netdev
->dev
, "transmit timeout, resetting.\n");
1709 schedule_work(&adapter
->tx_timeout_task
);
1712 static void qlcnic_tx_timeout_task(struct work_struct
*work
)
1714 struct qlcnic_adapter
*adapter
=
1715 container_of(work
, struct qlcnic_adapter
, tx_timeout_task
);
1717 if (!netif_running(adapter
->netdev
))
1720 if (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
1723 if (++adapter
->tx_timeo_cnt
>= QLCNIC_MAX_TX_TIMEOUTS
)
1726 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1727 if (!qlcnic_reset_context(adapter
)) {
1728 adapter
->netdev
->trans_start
= jiffies
;
1731 /* context reset failed, fall through for fw reset */
1735 adapter
->need_fw_reset
= 1;
1736 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
1739 static struct net_device_stats
*qlcnic_get_stats(struct net_device
*netdev
)
1741 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1742 struct net_device_stats
*stats
= &netdev
->stats
;
1744 memset(stats
, 0, sizeof(*stats
));
1746 stats
->rx_packets
= adapter
->stats
.rx_pkts
+ adapter
->stats
.lro_pkts
;
1747 stats
->tx_packets
= adapter
->stats
.xmitfinished
;
1748 stats
->rx_bytes
= adapter
->stats
.rxbytes
;
1749 stats
->tx_bytes
= adapter
->stats
.txbytes
;
1750 stats
->rx_dropped
= adapter
->stats
.rxdropped
;
1751 stats
->tx_dropped
= adapter
->stats
.txdropped
;
1756 static irqreturn_t
qlcnic_clear_legacy_intr(struct qlcnic_adapter
*adapter
)
1760 status
= readl(adapter
->isr_int_vec
);
1762 if (!(status
& adapter
->int_vec_bit
))
1765 /* check interrupt state machine, to be sure */
1766 status
= readl(adapter
->crb_int_state_reg
);
1767 if (!ISR_LEGACY_INT_TRIGGERED(status
))
1770 writel(0xffffffff, adapter
->tgt_status_reg
);
1771 /* read twice to ensure write is flushed */
1772 readl(adapter
->isr_int_vec
);
1773 readl(adapter
->isr_int_vec
);
1778 static irqreturn_t
qlcnic_tmp_intr(int irq
, void *data
)
1780 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1781 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1783 if (adapter
->flags
& QLCNIC_MSIX_ENABLED
)
1785 else if (adapter
->flags
& QLCNIC_MSI_ENABLED
) {
1786 writel(0xffffffff, adapter
->tgt_status_reg
);
1790 if (qlcnic_clear_legacy_intr(adapter
) == IRQ_NONE
)
1794 adapter
->diag_cnt
++;
1795 qlcnic_enable_int(sds_ring
);
1799 static irqreturn_t
qlcnic_intr(int irq
, void *data
)
1801 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1802 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1804 if (qlcnic_clear_legacy_intr(adapter
) == IRQ_NONE
)
1807 napi_schedule(&sds_ring
->napi
);
1812 static irqreturn_t
qlcnic_msi_intr(int irq
, void *data
)
1814 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1815 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1817 /* clear interrupt */
1818 writel(0xffffffff, adapter
->tgt_status_reg
);
1820 napi_schedule(&sds_ring
->napi
);
1824 static irqreturn_t
qlcnic_msix_intr(int irq
, void *data
)
1826 struct qlcnic_host_sds_ring
*sds_ring
= data
;
1828 napi_schedule(&sds_ring
->napi
);
1832 static int qlcnic_process_cmd_ring(struct qlcnic_adapter
*adapter
)
1834 u32 sw_consumer
, hw_consumer
;
1836 struct qlcnic_cmd_buffer
*buffer
;
1837 struct pci_dev
*pdev
= adapter
->pdev
;
1838 struct net_device
*netdev
= adapter
->netdev
;
1839 struct qlcnic_skb_frag
*frag
;
1841 struct qlcnic_host_tx_ring
*tx_ring
= adapter
->tx_ring
;
1843 if (!spin_trylock(&adapter
->tx_clean_lock
))
1846 sw_consumer
= tx_ring
->sw_consumer
;
1847 hw_consumer
= le32_to_cpu(*(tx_ring
->hw_consumer
));
1849 while (sw_consumer
!= hw_consumer
) {
1850 buffer
= &tx_ring
->cmd_buf_arr
[sw_consumer
];
1852 frag
= &buffer
->frag_array
[0];
1853 pci_unmap_single(pdev
, frag
->dma
, frag
->length
,
1856 for (i
= 1; i
< buffer
->frag_count
; i
++) {
1858 pci_unmap_page(pdev
, frag
->dma
, frag
->length
,
1863 adapter
->stats
.xmitfinished
++;
1864 dev_kfree_skb_any(buffer
->skb
);
1868 sw_consumer
= get_next_index(sw_consumer
, tx_ring
->num_desc
);
1869 if (++count
>= MAX_STATUS_HANDLE
)
1873 if (count
&& netif_running(netdev
)) {
1874 tx_ring
->sw_consumer
= sw_consumer
;
1878 if (netif_queue_stopped(netdev
) && netif_carrier_ok(netdev
)) {
1879 __netif_tx_lock(tx_ring
->txq
, smp_processor_id());
1880 if (qlcnic_tx_avail(tx_ring
) > TX_STOP_THRESH
) {
1881 netif_wake_queue(netdev
);
1882 adapter
->tx_timeo_cnt
= 0;
1884 __netif_tx_unlock(tx_ring
->txq
);
1888 * If everything is freed up to consumer then check if the ring is full
1889 * If the ring is full then check if more needs to be freed and
1890 * schedule the call back again.
1892 * This happens when there are 2 CPUs. One could be freeing and the
1893 * other filling it. If the ring is full when we get out of here and
1894 * the card has already interrupted the host then the host can miss the
1897 * There is still a possible race condition and the host could miss an
1898 * interrupt. The card has to take care of this.
1900 hw_consumer
= le32_to_cpu(*(tx_ring
->hw_consumer
));
1901 done
= (sw_consumer
== hw_consumer
);
1902 spin_unlock(&adapter
->tx_clean_lock
);
1907 static int qlcnic_poll(struct napi_struct
*napi
, int budget
)
1909 struct qlcnic_host_sds_ring
*sds_ring
=
1910 container_of(napi
, struct qlcnic_host_sds_ring
, napi
);
1912 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1917 tx_complete
= qlcnic_process_cmd_ring(adapter
);
1919 work_done
= qlcnic_process_rcv_ring(sds_ring
, budget
);
1921 if ((work_done
< budget
) && tx_complete
) {
1922 napi_complete(&sds_ring
->napi
);
1923 if (test_bit(__QLCNIC_DEV_UP
, &adapter
->state
))
1924 qlcnic_enable_int(sds_ring
);
1930 #ifdef CONFIG_NET_POLL_CONTROLLER
1931 static void qlcnic_poll_controller(struct net_device
*netdev
)
1933 struct qlcnic_adapter
*adapter
= netdev_priv(netdev
);
1934 disable_irq(adapter
->irq
);
1935 qlcnic_intr(adapter
->irq
, adapter
);
1936 enable_irq(adapter
->irq
);
1941 qlcnic_set_drv_state(struct qlcnic_adapter
*adapter
, int state
)
1945 WARN_ON(state
!= QLCNIC_DEV_NEED_RESET
&&
1946 state
!= QLCNIC_DEV_NEED_QUISCENT
);
1948 if (qlcnic_api_lock(adapter
))
1951 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
1953 if (state
== QLCNIC_DEV_NEED_RESET
)
1954 val
|= ((u32
)0x1 << (adapter
->portnum
* 4));
1955 else if (state
== QLCNIC_DEV_NEED_QUISCENT
)
1956 val
|= ((u32
)0x1 << ((adapter
->portnum
* 4) + 1));
1958 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
1960 qlcnic_api_unlock(adapter
);
1964 qlcnic_clr_drv_state(struct qlcnic_adapter
*adapter
)
1968 if (qlcnic_api_lock(adapter
))
1971 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
1972 val
&= ~((u32
)0x3 << (adapter
->portnum
* 4));
1973 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
1975 qlcnic_api_unlock(adapter
);
1981 qlcnic_clr_all_drv_state(struct qlcnic_adapter
*adapter
)
1985 if (qlcnic_api_lock(adapter
))
1988 val
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
1989 val
&= ~((u32
)0x1 << (adapter
->portnum
* 4));
1990 QLCWR32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
, val
);
1992 if (!(val
& 0x11111111))
1993 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_COLD
);
1995 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
1996 val
&= ~((u32
)0x3 << (adapter
->portnum
* 4));
1997 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
1999 qlcnic_api_unlock(adapter
);
2001 adapter
->fw_fail_cnt
= 0;
2002 clear_bit(__QLCNIC_START_FW
, &adapter
->state
);
2003 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
2007 qlcnic_check_drv_state(struct qlcnic_adapter
*adapter
)
2011 state
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2012 act
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
2014 if (((state
& 0x11111111) == (act
& 0x11111111)) ||
2015 ((act
& 0x11111111) == ((state
>> 1) & 0x11111111)))
2022 qlcnic_can_start_firmware(struct qlcnic_adapter
*adapter
)
2024 u32 val
, prev_state
;
2026 int portnum
= adapter
->portnum
;
2028 if (qlcnic_api_lock(adapter
))
2031 val
= QLCRD32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
);
2032 if (!(val
& ((int)0x1 << (portnum
* 4)))) {
2033 val
|= ((u32
)0x1 << (portnum
* 4));
2034 QLCWR32(adapter
, QLCNIC_CRB_DEV_REF_COUNT
, val
);
2035 } else if (test_and_clear_bit(__QLCNIC_START_FW
, &adapter
->state
)) {
2039 prev_state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2041 switch (prev_state
) {
2042 case QLCNIC_DEV_COLD
:
2044 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_INITALIZING
);
2045 qlcnic_api_unlock(adapter
);
2048 case QLCNIC_DEV_READY
:
2049 qlcnic_api_unlock(adapter
);
2052 case QLCNIC_DEV_NEED_RESET
:
2053 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2054 val
|= ((u32
)0x1 << (portnum
* 4));
2055 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2058 case QLCNIC_DEV_NEED_QUISCENT
:
2059 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2060 val
|= ((u32
)0x1 << ((portnum
* 4) + 1));
2061 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2064 case QLCNIC_DEV_FAILED
:
2065 qlcnic_api_unlock(adapter
);
2069 qlcnic_api_unlock(adapter
);
2071 while ((QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
) != QLCNIC_DEV_READY
) &&
2078 if (qlcnic_api_lock(adapter
))
2081 val
= QLCRD32(adapter
, QLCNIC_CRB_DRV_STATE
);
2082 val
&= ~((u32
)0x3 << (portnum
* 4));
2083 QLCWR32(adapter
, QLCNIC_CRB_DRV_STATE
, val
);
2085 qlcnic_api_unlock(adapter
);
2091 qlcnic_fwinit_work(struct work_struct
*work
)
2093 struct qlcnic_adapter
*adapter
= container_of(work
,
2094 struct qlcnic_adapter
, fw_work
.work
);
2097 if (++adapter
->fw_wait_cnt
> FW_POLL_THRESH
)
2100 if (test_bit(__QLCNIC_START_FW
, &adapter
->state
)) {
2102 if (qlcnic_check_drv_state(adapter
)) {
2103 qlcnic_schedule_work(adapter
,
2104 qlcnic_fwinit_work
, FW_POLL_DELAY
);
2108 if (!qlcnic_start_firmware(adapter
)) {
2109 qlcnic_schedule_work(adapter
, qlcnic_attach_work
, 0);
2116 dev_state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2117 switch (dev_state
) {
2118 case QLCNIC_DEV_READY
:
2119 if (!qlcnic_start_firmware(adapter
)) {
2120 qlcnic_schedule_work(adapter
, qlcnic_attach_work
, 0);
2123 case QLCNIC_DEV_FAILED
:
2127 qlcnic_schedule_work(adapter
,
2128 qlcnic_fwinit_work
, 2 * FW_POLL_DELAY
);
2133 qlcnic_clr_all_drv_state(adapter
);
2137 qlcnic_detach_work(struct work_struct
*work
)
2139 struct qlcnic_adapter
*adapter
= container_of(work
,
2140 struct qlcnic_adapter
, fw_work
.work
);
2141 struct net_device
*netdev
= adapter
->netdev
;
2144 netif_device_detach(netdev
);
2146 qlcnic_down(adapter
, netdev
);
2149 qlcnic_detach(adapter
);
2152 status
= QLCRD32(adapter
, QLCNIC_PEG_HALT_STATUS1
);
2154 if (status
& QLCNIC_RCODE_FATAL_ERROR
)
2157 if (adapter
->temp
== QLCNIC_TEMP_PANIC
)
2160 qlcnic_set_drv_state(adapter
, adapter
->dev_state
);
2162 adapter
->fw_wait_cnt
= 0;
2164 qlcnic_schedule_work(adapter
, qlcnic_fwinit_work
, FW_POLL_DELAY
);
2169 qlcnic_clr_all_drv_state(adapter
);
2174 qlcnic_dev_request_reset(struct qlcnic_adapter
*adapter
)
2178 if (qlcnic_api_lock(adapter
))
2181 state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2183 if (state
!= QLCNIC_DEV_INITALIZING
&& state
!= QLCNIC_DEV_NEED_RESET
) {
2184 QLCWR32(adapter
, QLCNIC_CRB_DEV_STATE
, QLCNIC_DEV_NEED_RESET
);
2185 set_bit(__QLCNIC_START_FW
, &adapter
->state
);
2188 qlcnic_api_unlock(adapter
);
2192 qlcnic_schedule_work(struct qlcnic_adapter
*adapter
,
2193 work_func_t func
, int delay
)
2195 INIT_DELAYED_WORK(&adapter
->fw_work
, func
);
2196 schedule_delayed_work(&adapter
->fw_work
, round_jiffies_relative(delay
));
2200 qlcnic_cancel_fw_work(struct qlcnic_adapter
*adapter
)
2202 while (test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
2205 cancel_delayed_work_sync(&adapter
->fw_work
);
2209 qlcnic_attach_work(struct work_struct
*work
)
2211 struct qlcnic_adapter
*adapter
= container_of(work
,
2212 struct qlcnic_adapter
, fw_work
.work
);
2213 struct net_device
*netdev
= adapter
->netdev
;
2216 if (netif_running(netdev
)) {
2217 err
= qlcnic_attach(adapter
);
2221 err
= qlcnic_up(adapter
, netdev
);
2223 qlcnic_detach(adapter
);
2227 qlcnic_config_indev_addr(netdev
, NETDEV_UP
);
2230 netif_device_attach(netdev
);
2233 adapter
->fw_fail_cnt
= 0;
2234 clear_bit(__QLCNIC_RESETTING
, &adapter
->state
);
2236 if (!qlcnic_clr_drv_state(adapter
))
2237 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
,
2242 qlcnic_check_health(struct qlcnic_adapter
*adapter
)
2244 u32 state
= 0, heartbit
;
2245 struct net_device
*netdev
= adapter
->netdev
;
2247 if (qlcnic_check_temp(adapter
))
2250 if (adapter
->need_fw_reset
) {
2251 qlcnic_dev_request_reset(adapter
);
2255 state
= QLCRD32(adapter
, QLCNIC_CRB_DEV_STATE
);
2256 if (state
== QLCNIC_DEV_NEED_RESET
|| state
== QLCNIC_DEV_NEED_QUISCENT
)
2257 adapter
->need_fw_reset
= 1;
2259 heartbit
= QLCRD32(adapter
, QLCNIC_PEG_ALIVE_COUNTER
);
2260 if (heartbit
!= adapter
->heartbit
) {
2261 adapter
->heartbit
= heartbit
;
2262 adapter
->fw_fail_cnt
= 0;
2263 if (adapter
->need_fw_reset
)
2268 if (++adapter
->fw_fail_cnt
< FW_FAIL_THRESH
)
2271 qlcnic_dev_request_reset(adapter
);
2273 clear_bit(__QLCNIC_FW_ATTACHED
, &adapter
->state
);
2275 dev_info(&netdev
->dev
, "firmware hang detected\n");
2278 adapter
->dev_state
= (state
== QLCNIC_DEV_NEED_QUISCENT
) ? state
:
2279 QLCNIC_DEV_NEED_RESET
;
2281 if ((auto_fw_reset
== AUTO_FW_RESET_ENABLED
) &&
2282 !test_and_set_bit(__QLCNIC_RESETTING
, &adapter
->state
))
2283 qlcnic_schedule_work(adapter
, qlcnic_detach_work
, 0);
2289 qlcnic_fw_poll_work(struct work_struct
*work
)
2291 struct qlcnic_adapter
*adapter
= container_of(work
,
2292 struct qlcnic_adapter
, fw_work
.work
);
2294 if (test_bit(__QLCNIC_RESETTING
, &adapter
->state
))
2298 if (qlcnic_check_health(adapter
))
2302 qlcnic_schedule_work(adapter
, qlcnic_fw_poll_work
, FW_POLL_DELAY
);
2306 qlcnic_store_bridged_mode(struct device
*dev
,
2307 struct device_attribute
*attr
, const char *buf
, size_t len
)
2309 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2313 if (!(adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
))
2316 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2319 if (strict_strtoul(buf
, 2, &new))
2322 if (!qlcnic_config_bridged_mode(adapter
, !!new))
2330 qlcnic_show_bridged_mode(struct device
*dev
,
2331 struct device_attribute
*attr
, char *buf
)
2333 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2334 int bridged_mode
= 0;
2336 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2337 bridged_mode
= !!(adapter
->flags
& QLCNIC_BRIDGE_ENABLED
);
2339 return sprintf(buf
, "%d\n", bridged_mode
);
2342 static struct device_attribute dev_attr_bridged_mode
= {
2343 .attr
= {.name
= "bridged_mode", .mode
= (S_IRUGO
| S_IWUSR
)},
2344 .show
= qlcnic_show_bridged_mode
,
2345 .store
= qlcnic_store_bridged_mode
,
2349 qlcnic_store_diag_mode(struct device
*dev
,
2350 struct device_attribute
*attr
, const char *buf
, size_t len
)
2352 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2355 if (strict_strtoul(buf
, 2, &new))
2358 if (!!new != !!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2359 adapter
->flags
^= QLCNIC_DIAG_ENABLED
;
2365 qlcnic_show_diag_mode(struct device
*dev
,
2366 struct device_attribute
*attr
, char *buf
)
2368 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2370 return sprintf(buf
, "%d\n",
2371 !!(adapter
->flags
& QLCNIC_DIAG_ENABLED
));
2374 static struct device_attribute dev_attr_diag_mode
= {
2375 .attr
= {.name
= "diag_mode", .mode
= (S_IRUGO
| S_IWUSR
)},
2376 .show
= qlcnic_show_diag_mode
,
2377 .store
= qlcnic_store_diag_mode
,
2381 qlcnic_sysfs_validate_crb(struct qlcnic_adapter
*adapter
,
2382 loff_t offset
, size_t size
)
2384 if (!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2387 if ((size
!= 4) || (offset
& 0x3))
2390 if (offset
< QLCNIC_PCI_CRBSPACE
)
2397 qlcnic_sysfs_read_crb(struct kobject
*kobj
, struct bin_attribute
*attr
,
2398 char *buf
, loff_t offset
, size_t size
)
2400 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2401 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2405 ret
= qlcnic_sysfs_validate_crb(adapter
, offset
, size
);
2409 data
= QLCRD32(adapter
, offset
);
2410 memcpy(buf
, &data
, size
);
2415 qlcnic_sysfs_write_crb(struct kobject
*kobj
, struct bin_attribute
*attr
,
2416 char *buf
, loff_t offset
, size_t size
)
2418 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2419 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2423 ret
= qlcnic_sysfs_validate_crb(adapter
, offset
, size
);
2427 memcpy(&data
, buf
, size
);
2428 QLCWR32(adapter
, offset
, data
);
2433 qlcnic_sysfs_validate_mem(struct qlcnic_adapter
*adapter
,
2434 loff_t offset
, size_t size
)
2436 if (!(adapter
->flags
& QLCNIC_DIAG_ENABLED
))
2439 if ((size
!= 8) || (offset
& 0x7))
2446 qlcnic_sysfs_read_mem(struct kobject
*kobj
, struct bin_attribute
*attr
,
2447 char *buf
, loff_t offset
, size_t size
)
2449 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2450 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2454 ret
= qlcnic_sysfs_validate_mem(adapter
, offset
, size
);
2458 if (qlcnic_pci_mem_read_2M(adapter
, offset
, &data
))
2461 memcpy(buf
, &data
, size
);
2467 qlcnic_sysfs_write_mem(struct kobject
*kobj
, struct bin_attribute
*attr
,
2468 char *buf
, loff_t offset
, size_t size
)
2470 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
2471 struct qlcnic_adapter
*adapter
= dev_get_drvdata(dev
);
2475 ret
= qlcnic_sysfs_validate_mem(adapter
, offset
, size
);
2479 memcpy(&data
, buf
, size
);
2481 if (qlcnic_pci_mem_write_2M(adapter
, offset
, data
))
2488 static struct bin_attribute bin_attr_crb
= {
2489 .attr
= {.name
= "crb", .mode
= (S_IRUGO
| S_IWUSR
)},
2491 .read
= qlcnic_sysfs_read_crb
,
2492 .write
= qlcnic_sysfs_write_crb
,
2495 static struct bin_attribute bin_attr_mem
= {
2496 .attr
= {.name
= "mem", .mode
= (S_IRUGO
| S_IWUSR
)},
2498 .read
= qlcnic_sysfs_read_mem
,
2499 .write
= qlcnic_sysfs_write_mem
,
2503 qlcnic_create_sysfs_entries(struct qlcnic_adapter
*adapter
)
2505 struct device
*dev
= &adapter
->pdev
->dev
;
2507 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2508 if (device_create_file(dev
, &dev_attr_bridged_mode
))
2510 "failed to create bridged_mode sysfs entry\n");
2514 qlcnic_remove_sysfs_entries(struct qlcnic_adapter
*adapter
)
2516 struct device
*dev
= &adapter
->pdev
->dev
;
2518 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_BDG
)
2519 device_remove_file(dev
, &dev_attr_bridged_mode
);
2523 qlcnic_create_diag_entries(struct qlcnic_adapter
*adapter
)
2525 struct device
*dev
= &adapter
->pdev
->dev
;
2527 if (device_create_file(dev
, &dev_attr_diag_mode
))
2528 dev_info(dev
, "failed to create diag_mode sysfs entry\n");
2529 if (device_create_bin_file(dev
, &bin_attr_crb
))
2530 dev_info(dev
, "failed to create crb sysfs entry\n");
2531 if (device_create_bin_file(dev
, &bin_attr_mem
))
2532 dev_info(dev
, "failed to create mem sysfs entry\n");
2537 qlcnic_remove_diag_entries(struct qlcnic_adapter
*adapter
)
2539 struct device
*dev
= &adapter
->pdev
->dev
;
2541 device_remove_file(dev
, &dev_attr_diag_mode
);
2542 device_remove_bin_file(dev
, &bin_attr_crb
);
2543 device_remove_bin_file(dev
, &bin_attr_mem
);
2548 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
2551 qlcnic_destip_supported(struct qlcnic_adapter
*adapter
)
2553 if (adapter
->ahw
.cut_through
)
2560 qlcnic_config_indev_addr(struct net_device
*dev
, unsigned long event
)
2562 struct in_device
*indev
;
2563 struct qlcnic_adapter
*adapter
= netdev_priv(dev
);
2565 if (!qlcnic_destip_supported(adapter
))
2568 indev
= in_dev_get(dev
);
2575 qlcnic_config_ipaddr(adapter
,
2576 ifa
->ifa_address
, QLCNIC_IP_UP
);
2579 qlcnic_config_ipaddr(adapter
,
2580 ifa
->ifa_address
, QLCNIC_IP_DOWN
);
2585 } endfor_ifa(indev
);
2591 static int qlcnic_netdev_event(struct notifier_block
*this,
2592 unsigned long event
, void *ptr
)
2594 struct qlcnic_adapter
*adapter
;
2595 struct net_device
*dev
= (struct net_device
*)ptr
;
2601 if (dev
->priv_flags
& IFF_802_1Q_VLAN
) {
2602 dev
= vlan_dev_real_dev(dev
);
2606 if (!is_qlcnic_netdev(dev
))
2609 adapter
= netdev_priv(dev
);
2614 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2617 qlcnic_config_indev_addr(dev
, event
);
2623 qlcnic_inetaddr_event(struct notifier_block
*this,
2624 unsigned long event
, void *ptr
)
2626 struct qlcnic_adapter
*adapter
;
2627 struct net_device
*dev
;
2629 struct in_ifaddr
*ifa
= (struct in_ifaddr
*)ptr
;
2631 dev
= ifa
->ifa_dev
? ifa
->ifa_dev
->dev
: NULL
;
2634 if (dev
== NULL
|| !netif_running(dev
))
2637 if (dev
->priv_flags
& IFF_802_1Q_VLAN
) {
2638 dev
= vlan_dev_real_dev(dev
);
2642 if (!is_qlcnic_netdev(dev
))
2645 adapter
= netdev_priv(dev
);
2647 if (!adapter
|| !qlcnic_destip_supported(adapter
))
2650 if (adapter
->is_up
!= QLCNIC_ADAPTER_UP_MAGIC
)
2655 qlcnic_config_ipaddr(adapter
, ifa
->ifa_address
, QLCNIC_IP_UP
);
2658 qlcnic_config_ipaddr(adapter
, ifa
->ifa_address
, QLCNIC_IP_DOWN
);
2668 static struct notifier_block qlcnic_netdev_cb
= {
2669 .notifier_call
= qlcnic_netdev_event
,
2672 static struct notifier_block qlcnic_inetaddr_cb
= {
2673 .notifier_call
= qlcnic_inetaddr_event
,
2677 qlcnic_config_indev_addr(struct net_device
*dev
, unsigned long event
)
2681 static struct pci_driver qlcnic_driver
= {
2682 .name
= qlcnic_driver_name
,
2683 .id_table
= qlcnic_pci_tbl
,
2684 .probe
= qlcnic_probe
,
2685 .remove
= __devexit_p(qlcnic_remove
),
2687 .suspend
= qlcnic_suspend
,
2688 .resume
= qlcnic_resume
,
2690 .shutdown
= qlcnic_shutdown
2693 static int __init
qlcnic_init_module(void)
2696 printk(KERN_INFO
"%s\n", qlcnic_driver_string
);
2699 register_netdevice_notifier(&qlcnic_netdev_cb
);
2700 register_inetaddr_notifier(&qlcnic_inetaddr_cb
);
2704 return pci_register_driver(&qlcnic_driver
);
2707 module_init(qlcnic_init_module
);
2709 static void __exit
qlcnic_exit_module(void)
2712 pci_unregister_driver(&qlcnic_driver
);
2715 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb
);
2716 unregister_netdevice_notifier(&qlcnic_netdev_cb
);
2720 module_exit(qlcnic_exit_module
);