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/netdevice.h>
26 #include <linux/delay.h>
27 #include <linux/slab.h>
28 #include <linux/if_vlan.h>
31 struct crb_addr_pair
{
36 #define QLCNIC_MAX_CRB_XFORM 60
37 static unsigned int crb_addr_xform
[QLCNIC_MAX_CRB_XFORM
];
39 #define crb_addr_transform(name) \
40 (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \
41 QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20)
43 #define QLCNIC_ADDR_ERROR (0xffffffff)
46 qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter
*adapter
,
47 struct qlcnic_host_rds_ring
*rds_ring
);
50 qlcnic_check_fw_hearbeat(struct qlcnic_adapter
*adapter
);
52 static void crb_addr_transform_setup(void)
54 crb_addr_transform(XDMA
);
55 crb_addr_transform(TIMR
);
56 crb_addr_transform(SRE
);
57 crb_addr_transform(SQN3
);
58 crb_addr_transform(SQN2
);
59 crb_addr_transform(SQN1
);
60 crb_addr_transform(SQN0
);
61 crb_addr_transform(SQS3
);
62 crb_addr_transform(SQS2
);
63 crb_addr_transform(SQS1
);
64 crb_addr_transform(SQS0
);
65 crb_addr_transform(RPMX7
);
66 crb_addr_transform(RPMX6
);
67 crb_addr_transform(RPMX5
);
68 crb_addr_transform(RPMX4
);
69 crb_addr_transform(RPMX3
);
70 crb_addr_transform(RPMX2
);
71 crb_addr_transform(RPMX1
);
72 crb_addr_transform(RPMX0
);
73 crb_addr_transform(ROMUSB
);
74 crb_addr_transform(SN
);
75 crb_addr_transform(QMN
);
76 crb_addr_transform(QMS
);
77 crb_addr_transform(PGNI
);
78 crb_addr_transform(PGND
);
79 crb_addr_transform(PGN3
);
80 crb_addr_transform(PGN2
);
81 crb_addr_transform(PGN1
);
82 crb_addr_transform(PGN0
);
83 crb_addr_transform(PGSI
);
84 crb_addr_transform(PGSD
);
85 crb_addr_transform(PGS3
);
86 crb_addr_transform(PGS2
);
87 crb_addr_transform(PGS1
);
88 crb_addr_transform(PGS0
);
89 crb_addr_transform(PS
);
90 crb_addr_transform(PH
);
91 crb_addr_transform(NIU
);
92 crb_addr_transform(I2Q
);
93 crb_addr_transform(EG
);
94 crb_addr_transform(MN
);
95 crb_addr_transform(MS
);
96 crb_addr_transform(CAS2
);
97 crb_addr_transform(CAS1
);
98 crb_addr_transform(CAS0
);
99 crb_addr_transform(CAM
);
100 crb_addr_transform(C2C1
);
101 crb_addr_transform(C2C0
);
102 crb_addr_transform(SMB
);
103 crb_addr_transform(OCM0
);
104 crb_addr_transform(I2C0
);
107 void qlcnic_release_rx_buffers(struct qlcnic_adapter
*adapter
)
109 struct qlcnic_recv_context
*recv_ctx
;
110 struct qlcnic_host_rds_ring
*rds_ring
;
111 struct qlcnic_rx_buffer
*rx_buf
;
114 recv_ctx
= &adapter
->recv_ctx
;
115 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
116 rds_ring
= &recv_ctx
->rds_rings
[ring
];
117 for (i
= 0; i
< rds_ring
->num_desc
; ++i
) {
118 rx_buf
= &(rds_ring
->rx_buf_arr
[i
]);
119 if (rx_buf
->skb
== NULL
)
122 pci_unmap_single(adapter
->pdev
,
127 dev_kfree_skb_any(rx_buf
->skb
);
132 void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter
*adapter
)
134 struct qlcnic_recv_context
*recv_ctx
;
135 struct qlcnic_host_rds_ring
*rds_ring
;
136 struct qlcnic_rx_buffer
*rx_buf
;
139 recv_ctx
= &adapter
->recv_ctx
;
140 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
141 rds_ring
= &recv_ctx
->rds_rings
[ring
];
143 INIT_LIST_HEAD(&rds_ring
->free_list
);
145 rx_buf
= rds_ring
->rx_buf_arr
;
146 for (i
= 0; i
< rds_ring
->num_desc
; i
++) {
147 list_add_tail(&rx_buf
->list
,
148 &rds_ring
->free_list
);
154 void qlcnic_release_tx_buffers(struct qlcnic_adapter
*adapter
)
156 struct qlcnic_cmd_buffer
*cmd_buf
;
157 struct qlcnic_skb_frag
*buffrag
;
159 struct qlcnic_host_tx_ring
*tx_ring
= adapter
->tx_ring
;
161 cmd_buf
= tx_ring
->cmd_buf_arr
;
162 for (i
= 0; i
< tx_ring
->num_desc
; i
++) {
163 buffrag
= cmd_buf
->frag_array
;
165 pci_unmap_single(adapter
->pdev
, buffrag
->dma
,
166 buffrag
->length
, PCI_DMA_TODEVICE
);
169 for (j
= 0; j
< cmd_buf
->frag_count
; j
++) {
172 pci_unmap_page(adapter
->pdev
, buffrag
->dma
,
179 dev_kfree_skb_any(cmd_buf
->skb
);
186 void qlcnic_free_sw_resources(struct qlcnic_adapter
*adapter
)
188 struct qlcnic_recv_context
*recv_ctx
;
189 struct qlcnic_host_rds_ring
*rds_ring
;
190 struct qlcnic_host_tx_ring
*tx_ring
;
193 recv_ctx
= &adapter
->recv_ctx
;
195 if (recv_ctx
->rds_rings
== NULL
)
198 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
199 rds_ring
= &recv_ctx
->rds_rings
[ring
];
200 vfree(rds_ring
->rx_buf_arr
);
201 rds_ring
->rx_buf_arr
= NULL
;
203 kfree(recv_ctx
->rds_rings
);
206 if (adapter
->tx_ring
== NULL
)
209 tx_ring
= adapter
->tx_ring
;
210 vfree(tx_ring
->cmd_buf_arr
);
211 tx_ring
->cmd_buf_arr
= NULL
;
212 kfree(adapter
->tx_ring
);
213 adapter
->tx_ring
= NULL
;
216 int qlcnic_alloc_sw_resources(struct qlcnic_adapter
*adapter
)
218 struct qlcnic_recv_context
*recv_ctx
;
219 struct qlcnic_host_rds_ring
*rds_ring
;
220 struct qlcnic_host_sds_ring
*sds_ring
;
221 struct qlcnic_host_tx_ring
*tx_ring
;
222 struct qlcnic_rx_buffer
*rx_buf
;
225 struct qlcnic_cmd_buffer
*cmd_buf_arr
;
226 struct net_device
*netdev
= adapter
->netdev
;
228 size
= sizeof(struct qlcnic_host_tx_ring
);
229 tx_ring
= kzalloc(size
, GFP_KERNEL
);
230 if (tx_ring
== NULL
) {
231 dev_err(&netdev
->dev
, "failed to allocate tx ring struct\n");
234 adapter
->tx_ring
= tx_ring
;
236 tx_ring
->num_desc
= adapter
->num_txd
;
237 tx_ring
->txq
= netdev_get_tx_queue(netdev
, 0);
239 cmd_buf_arr
= vmalloc(TX_BUFF_RINGSIZE(tx_ring
));
240 if (cmd_buf_arr
== NULL
) {
241 dev_err(&netdev
->dev
, "failed to allocate cmd buffer ring\n");
244 memset(cmd_buf_arr
, 0, TX_BUFF_RINGSIZE(tx_ring
));
245 tx_ring
->cmd_buf_arr
= cmd_buf_arr
;
247 recv_ctx
= &adapter
->recv_ctx
;
249 size
= adapter
->max_rds_rings
* sizeof(struct qlcnic_host_rds_ring
);
250 rds_ring
= kzalloc(size
, GFP_KERNEL
);
251 if (rds_ring
== NULL
) {
252 dev_err(&netdev
->dev
, "failed to allocate rds ring struct\n");
255 recv_ctx
->rds_rings
= rds_ring
;
257 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
258 rds_ring
= &recv_ctx
->rds_rings
[ring
];
260 case RCV_RING_NORMAL
:
261 rds_ring
->num_desc
= adapter
->num_rxd
;
262 rds_ring
->dma_size
= QLCNIC_P3P_RX_BUF_MAX_LEN
;
263 rds_ring
->skb_size
= rds_ring
->dma_size
+ NET_IP_ALIGN
;
267 rds_ring
->num_desc
= adapter
->num_jumbo_rxd
;
269 QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN
;
271 if (adapter
->capabilities
& QLCNIC_FW_CAPABILITY_HW_LRO
)
272 rds_ring
->dma_size
+= QLCNIC_LRO_BUFFER_EXTRA
;
275 rds_ring
->dma_size
+ NET_IP_ALIGN
;
278 rds_ring
->rx_buf_arr
= (struct qlcnic_rx_buffer
*)
279 vmalloc(RCV_BUFF_RINGSIZE(rds_ring
));
280 if (rds_ring
->rx_buf_arr
== NULL
) {
281 dev_err(&netdev
->dev
, "Failed to allocate "
282 "rx buffer ring %d\n", ring
);
285 memset(rds_ring
->rx_buf_arr
, 0, RCV_BUFF_RINGSIZE(rds_ring
));
286 INIT_LIST_HEAD(&rds_ring
->free_list
);
288 * Now go through all of them, set reference handles
289 * and put them in the queues.
291 rx_buf
= rds_ring
->rx_buf_arr
;
292 for (i
= 0; i
< rds_ring
->num_desc
; i
++) {
293 list_add_tail(&rx_buf
->list
,
294 &rds_ring
->free_list
);
295 rx_buf
->ref_handle
= i
;
298 spin_lock_init(&rds_ring
->lock
);
301 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
302 sds_ring
= &recv_ctx
->sds_rings
[ring
];
303 sds_ring
->irq
= adapter
->msix_entries
[ring
].vector
;
304 sds_ring
->adapter
= adapter
;
305 sds_ring
->num_desc
= adapter
->num_rxd
;
307 for (i
= 0; i
< NUM_RCV_DESC_RINGS
; i
++)
308 INIT_LIST_HEAD(&sds_ring
->free_list
[i
]);
314 qlcnic_free_sw_resources(adapter
);
319 * Utility to translate from internal Phantom CRB address
320 * to external PCI CRB address.
322 static u32
qlcnic_decode_crb_addr(u32 addr
)
325 u32 base_addr
, offset
, pci_base
;
327 crb_addr_transform_setup();
329 pci_base
= QLCNIC_ADDR_ERROR
;
330 base_addr
= addr
& 0xfff00000;
331 offset
= addr
& 0x000fffff;
333 for (i
= 0; i
< QLCNIC_MAX_CRB_XFORM
; i
++) {
334 if (crb_addr_xform
[i
] == base_addr
) {
339 if (pci_base
== QLCNIC_ADDR_ERROR
)
342 return pci_base
+ offset
;
345 #define QLCNIC_MAX_ROM_WAIT_USEC 100
347 static int qlcnic_wait_rom_done(struct qlcnic_adapter
*adapter
)
355 done
= QLCRD32(adapter
, QLCNIC_ROMUSB_GLB_STATUS
);
357 if (++timeout
>= QLCNIC_MAX_ROM_WAIT_USEC
) {
358 dev_err(&adapter
->pdev
->dev
,
359 "Timeout reached waiting for rom done");
367 static int do_rom_fast_read(struct qlcnic_adapter
*adapter
,
370 QLCWR32(adapter
, QLCNIC_ROMUSB_ROM_ADDRESS
, addr
);
371 QLCWR32(adapter
, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT
, 0);
372 QLCWR32(adapter
, QLCNIC_ROMUSB_ROM_ABYTE_CNT
, 3);
373 QLCWR32(adapter
, QLCNIC_ROMUSB_ROM_INSTR_OPCODE
, 0xb);
374 if (qlcnic_wait_rom_done(adapter
)) {
375 dev_err(&adapter
->pdev
->dev
, "Error waiting for rom done\n");
378 /* reset abyte_cnt and dummy_byte_cnt */
379 QLCWR32(adapter
, QLCNIC_ROMUSB_ROM_ABYTE_CNT
, 0);
381 QLCWR32(adapter
, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT
, 0);
383 *valp
= QLCRD32(adapter
, QLCNIC_ROMUSB_ROM_RDATA
);
387 static int do_rom_fast_read_words(struct qlcnic_adapter
*adapter
, int addr
,
388 u8
*bytes
, size_t size
)
393 for (addridx
= addr
; addridx
< (addr
+ size
); addridx
+= 4) {
395 ret
= do_rom_fast_read(adapter
, addridx
, &v
);
398 *(__le32
*)bytes
= cpu_to_le32(v
);
406 qlcnic_rom_fast_read_words(struct qlcnic_adapter
*adapter
, int addr
,
407 u8
*bytes
, size_t size
)
411 ret
= qlcnic_rom_lock(adapter
);
415 ret
= do_rom_fast_read_words(adapter
, addr
, bytes
, size
);
417 qlcnic_rom_unlock(adapter
);
421 int qlcnic_rom_fast_read(struct qlcnic_adapter
*adapter
, int addr
, int *valp
)
425 if (qlcnic_rom_lock(adapter
) != 0)
428 ret
= do_rom_fast_read(adapter
, addr
, valp
);
429 qlcnic_rom_unlock(adapter
);
433 int qlcnic_pinit_from_rom(struct qlcnic_adapter
*adapter
)
436 int i
, n
, init_delay
;
437 struct crb_addr_pair
*buf
;
440 struct pci_dev
*pdev
= adapter
->pdev
;
442 QLCWR32(adapter
, CRB_CMDPEG_STATE
, 0);
443 QLCWR32(adapter
, CRB_RCVPEG_STATE
, 0);
445 qlcnic_rom_lock(adapter
);
446 QLCWR32(adapter
, QLCNIC_ROMUSB_GLB_SW_RESET
, 0xfeffffff);
447 qlcnic_rom_unlock(adapter
);
449 /* Init HW CRB block */
450 if (qlcnic_rom_fast_read(adapter
, 0, &n
) != 0 || (n
!= 0xcafecafe) ||
451 qlcnic_rom_fast_read(adapter
, 4, &n
) != 0) {
452 dev_err(&pdev
->dev
, "ERROR Reading crb_init area: val:%x\n", n
);
455 offset
= n
& 0xffffU
;
456 n
= (n
>> 16) & 0xffffU
;
459 dev_err(&pdev
->dev
, "QLOGIC card flash not initialized.\n");
463 buf
= kcalloc(n
, sizeof(struct crb_addr_pair
), GFP_KERNEL
);
465 dev_err(&pdev
->dev
, "Unable to calloc memory for rom read.\n");
469 for (i
= 0; i
< n
; i
++) {
470 if (qlcnic_rom_fast_read(adapter
, 8*i
+ 4*offset
, &val
) != 0 ||
471 qlcnic_rom_fast_read(adapter
, 8*i
+ 4*offset
+ 4, &addr
) != 0) {
480 for (i
= 0; i
< n
; i
++) {
482 off
= qlcnic_decode_crb_addr(buf
[i
].addr
);
483 if (off
== QLCNIC_ADDR_ERROR
) {
484 dev_err(&pdev
->dev
, "CRB init value out of range %x\n",
488 off
+= QLCNIC_PCI_CRBSPACE
;
493 /* skipping cold reboot MAGIC */
494 if (off
== QLCNIC_CAM_RAM(0x1fc))
496 if (off
== (QLCNIC_CRB_I2C0
+ 0x1c))
498 if (off
== (ROMUSB_GLB
+ 0xbc)) /* do not reset PCI */
500 if (off
== (ROMUSB_GLB
+ 0xa8))
502 if (off
== (ROMUSB_GLB
+ 0xc8)) /* core clock */
504 if (off
== (ROMUSB_GLB
+ 0x24)) /* MN clock */
506 if (off
== (ROMUSB_GLB
+ 0x1c)) /* MS clock */
508 if ((off
& 0x0ff00000) == QLCNIC_CRB_DDR_NET
)
510 /* skip the function enable register */
511 if (off
== QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION
))
513 if (off
== QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2
))
515 if ((off
& 0x0ff00000) == QLCNIC_CRB_SMB
)
519 /* After writing this register, HW needs time for CRB */
520 /* to quiet down (else crb_window returns 0xffffffff) */
521 if (off
== QLCNIC_ROMUSB_GLB_SW_RESET
)
524 QLCWR32(adapter
, off
, buf
[i
].data
);
530 /* Initialize protocol process engine */
531 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_D
+ 0xec, 0x1e);
532 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_D
+ 0x4c, 8);
533 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_I
+ 0x4c, 8);
534 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_0
+ 0x8, 0);
535 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_0
+ 0xc, 0);
536 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_1
+ 0x8, 0);
537 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_1
+ 0xc, 0);
538 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_2
+ 0x8, 0);
539 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_2
+ 0xc, 0);
540 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_3
+ 0x8, 0);
541 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_3
+ 0xc, 0);
542 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_4
+ 0x8, 0);
543 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_4
+ 0xc, 0);
545 QLCWR32(adapter
, QLCNIC_PEG_HALT_STATUS1
, 0);
546 QLCWR32(adapter
, QLCNIC_PEG_HALT_STATUS2
, 0);
550 static int qlcnic_cmd_peg_ready(struct qlcnic_adapter
*adapter
)
553 int retries
= QLCNIC_CMDPEG_CHECK_RETRY_COUNT
;
556 val
= QLCRD32(adapter
, CRB_CMDPEG_STATE
);
559 case PHAN_INITIALIZE_COMPLETE
:
560 case PHAN_INITIALIZE_ACK
:
562 case PHAN_INITIALIZE_FAILED
:
568 msleep(QLCNIC_CMDPEG_CHECK_DELAY
);
572 QLCWR32(adapter
, CRB_CMDPEG_STATE
, PHAN_INITIALIZE_FAILED
);
575 dev_err(&adapter
->pdev
->dev
, "Command Peg initialization not "
576 "complete, state: 0x%x.\n", val
);
581 qlcnic_receive_peg_ready(struct qlcnic_adapter
*adapter
)
584 int retries
= QLCNIC_RCVPEG_CHECK_RETRY_COUNT
;
587 val
= QLCRD32(adapter
, CRB_RCVPEG_STATE
);
589 if (val
== PHAN_PEG_RCV_INITIALIZED
)
592 msleep(QLCNIC_RCVPEG_CHECK_DELAY
);
597 dev_err(&adapter
->pdev
->dev
, "Receive Peg initialization not "
598 "complete, state: 0x%x.\n", val
);
606 qlcnic_check_fw_status(struct qlcnic_adapter
*adapter
)
610 err
= qlcnic_cmd_peg_ready(adapter
);
614 err
= qlcnic_receive_peg_ready(adapter
);
618 QLCWR32(adapter
, CRB_CMDPEG_STATE
, PHAN_INITIALIZE_ACK
);
624 qlcnic_setup_idc_param(struct qlcnic_adapter
*adapter
) {
629 val
= QLCRD32(adapter
, QLCNIC_CRB_DEV_PARTITION_INFO
);
630 val
= QLC_DEV_GET_DRV(val
, adapter
->portnum
);
631 if ((val
& 0x3) != QLCNIC_TYPE_NIC
) {
632 dev_err(&adapter
->pdev
->dev
,
633 "Not an Ethernet NIC func=%u\n", val
);
636 adapter
->physical_port
= (val
>> 2);
637 if (qlcnic_rom_fast_read(adapter
, QLCNIC_ROM_DEV_INIT_TIMEOUT
, &timeo
))
638 timeo
= QLCNIC_INIT_TIMEOUT_SECS
;
640 adapter
->dev_init_timeo
= timeo
;
642 if (qlcnic_rom_fast_read(adapter
, QLCNIC_ROM_DRV_RESET_TIMEOUT
, &timeo
))
643 timeo
= QLCNIC_RESET_TIMEOUT_SECS
;
645 adapter
->reset_ack_timeo
= timeo
;
651 qlcnic_check_flash_fw_ver(struct qlcnic_adapter
*adapter
)
653 u32 ver
= -1, min_ver
;
655 qlcnic_rom_fast_read(adapter
, QLCNIC_FW_VERSION_OFFSET
, (int *)&ver
);
657 ver
= QLCNIC_DECODE_VERSION(ver
);
658 min_ver
= QLCNIC_MIN_FW_VERSION
;
661 dev_err(&adapter
->pdev
->dev
,
662 "firmware version %d.%d.%d unsupported."
663 "Min supported version %d.%d.%d\n",
664 _major(ver
), _minor(ver
), _build(ver
),
665 _major(min_ver
), _minor(min_ver
), _build(min_ver
));
673 qlcnic_has_mn(struct qlcnic_adapter
*adapter
)
678 capability
= QLCRD32(adapter
, QLCNIC_PEG_TUNE_CAPABILITY
);
679 if (capability
& QLCNIC_PEG_TUNE_MN_PRESENT
)
686 struct uni_table_desc
*qlcnic_get_table_desc(const u8
*unirom
, int section
)
689 struct uni_table_desc
*directory
= (struct uni_table_desc
*) &unirom
[0];
690 __le32 entries
= cpu_to_le32(directory
->num_entries
);
692 for (i
= 0; i
< entries
; i
++) {
694 __le32 offs
= cpu_to_le32(directory
->findex
) +
695 (i
* cpu_to_le32(directory
->entry_size
));
696 __le32 tab_type
= cpu_to_le32(*((u32
*)&unirom
[offs
] + 8));
698 if (tab_type
== section
)
699 return (struct uni_table_desc
*) &unirom
[offs
];
705 #define FILEHEADER_SIZE (14 * 4)
708 qlcnic_validate_header(struct qlcnic_adapter
*adapter
)
710 const u8
*unirom
= adapter
->fw
->data
;
711 struct uni_table_desc
*directory
= (struct uni_table_desc
*) &unirom
[0];
712 __le32 fw_file_size
= adapter
->fw
->size
;
717 if (fw_file_size
< FILEHEADER_SIZE
)
720 entries
= cpu_to_le32(directory
->num_entries
);
721 entry_size
= cpu_to_le32(directory
->entry_size
);
722 tab_size
= cpu_to_le32(directory
->findex
) + (entries
* entry_size
);
724 if (fw_file_size
< tab_size
)
731 qlcnic_validate_bootld(struct qlcnic_adapter
*adapter
)
733 struct uni_table_desc
*tab_desc
;
734 struct uni_data_desc
*descr
;
735 const u8
*unirom
= adapter
->fw
->data
;
736 int idx
= cpu_to_le32(*((int *)&unirom
[adapter
->file_prd_off
] +
737 QLCNIC_UNI_BOOTLD_IDX_OFF
));
742 tab_desc
= qlcnic_get_table_desc(unirom
, QLCNIC_UNI_DIR_SECT_BOOTLD
);
747 tab_size
= cpu_to_le32(tab_desc
->findex
) +
748 (cpu_to_le32(tab_desc
->entry_size
) * (idx
+ 1));
750 if (adapter
->fw
->size
< tab_size
)
753 offs
= cpu_to_le32(tab_desc
->findex
) +
754 (cpu_to_le32(tab_desc
->entry_size
) * (idx
));
755 descr
= (struct uni_data_desc
*)&unirom
[offs
];
757 data_size
= cpu_to_le32(descr
->findex
) + cpu_to_le32(descr
->size
);
759 if (adapter
->fw
->size
< data_size
)
766 qlcnic_validate_fw(struct qlcnic_adapter
*adapter
)
768 struct uni_table_desc
*tab_desc
;
769 struct uni_data_desc
*descr
;
770 const u8
*unirom
= adapter
->fw
->data
;
771 int idx
= cpu_to_le32(*((int *)&unirom
[adapter
->file_prd_off
] +
772 QLCNIC_UNI_FIRMWARE_IDX_OFF
));
777 tab_desc
= qlcnic_get_table_desc(unirom
, QLCNIC_UNI_DIR_SECT_FW
);
782 tab_size
= cpu_to_le32(tab_desc
->findex
) +
783 (cpu_to_le32(tab_desc
->entry_size
) * (idx
+ 1));
785 if (adapter
->fw
->size
< tab_size
)
788 offs
= cpu_to_le32(tab_desc
->findex
) +
789 (cpu_to_le32(tab_desc
->entry_size
) * (idx
));
790 descr
= (struct uni_data_desc
*)&unirom
[offs
];
791 data_size
= cpu_to_le32(descr
->findex
) + cpu_to_le32(descr
->size
);
793 if (adapter
->fw
->size
< data_size
)
800 qlcnic_validate_product_offs(struct qlcnic_adapter
*adapter
)
802 struct uni_table_desc
*ptab_descr
;
803 const u8
*unirom
= adapter
->fw
->data
;
804 int mn_present
= qlcnic_has_mn(adapter
);
810 ptab_descr
= qlcnic_get_table_desc(unirom
,
811 QLCNIC_UNI_DIR_SECT_PRODUCT_TBL
);
815 entries
= cpu_to_le32(ptab_descr
->num_entries
);
816 entry_size
= cpu_to_le32(ptab_descr
->entry_size
);
817 tab_size
= cpu_to_le32(ptab_descr
->findex
) + (entries
* entry_size
);
819 if (adapter
->fw
->size
< tab_size
)
823 for (i
= 0; i
< entries
; i
++) {
825 __le32 flags
, file_chiprev
, offs
;
826 u8 chiprev
= adapter
->ahw
.revision_id
;
829 offs
= cpu_to_le32(ptab_descr
->findex
) +
830 (i
* cpu_to_le32(ptab_descr
->entry_size
));
831 flags
= cpu_to_le32(*((int *)&unirom
[offs
] +
832 QLCNIC_UNI_FLAGS_OFF
));
833 file_chiprev
= cpu_to_le32(*((int *)&unirom
[offs
] +
834 QLCNIC_UNI_CHIP_REV_OFF
));
836 flagbit
= mn_present
? 1 : 2;
838 if ((chiprev
== file_chiprev
) &&
839 ((1ULL << flagbit
) & flags
)) {
840 adapter
->file_prd_off
= offs
;
852 qlcnic_validate_unified_romimage(struct qlcnic_adapter
*adapter
)
854 if (qlcnic_validate_header(adapter
)) {
855 dev_err(&adapter
->pdev
->dev
,
856 "unified image: header validation failed\n");
860 if (qlcnic_validate_product_offs(adapter
)) {
861 dev_err(&adapter
->pdev
->dev
,
862 "unified image: product validation failed\n");
866 if (qlcnic_validate_bootld(adapter
)) {
867 dev_err(&adapter
->pdev
->dev
,
868 "unified image: bootld validation failed\n");
872 if (qlcnic_validate_fw(adapter
)) {
873 dev_err(&adapter
->pdev
->dev
,
874 "unified image: firmware validation failed\n");
882 struct uni_data_desc
*qlcnic_get_data_desc(struct qlcnic_adapter
*adapter
,
883 u32 section
, u32 idx_offset
)
885 const u8
*unirom
= adapter
->fw
->data
;
886 int idx
= cpu_to_le32(*((int *)&unirom
[adapter
->file_prd_off
] +
888 struct uni_table_desc
*tab_desc
;
891 tab_desc
= qlcnic_get_table_desc(unirom
, section
);
893 if (tab_desc
== NULL
)
896 offs
= cpu_to_le32(tab_desc
->findex
) +
897 (cpu_to_le32(tab_desc
->entry_size
) * idx
);
899 return (struct uni_data_desc
*)&unirom
[offs
];
903 qlcnic_get_bootld_offs(struct qlcnic_adapter
*adapter
)
905 u32 offs
= QLCNIC_BOOTLD_START
;
907 if (adapter
->fw_type
== QLCNIC_UNIFIED_ROMIMAGE
)
908 offs
= cpu_to_le32((qlcnic_get_data_desc(adapter
,
909 QLCNIC_UNI_DIR_SECT_BOOTLD
,
910 QLCNIC_UNI_BOOTLD_IDX_OFF
))->findex
);
912 return (u8
*)&adapter
->fw
->data
[offs
];
916 qlcnic_get_fw_offs(struct qlcnic_adapter
*adapter
)
918 u32 offs
= QLCNIC_IMAGE_START
;
920 if (adapter
->fw_type
== QLCNIC_UNIFIED_ROMIMAGE
)
921 offs
= cpu_to_le32((qlcnic_get_data_desc(adapter
,
922 QLCNIC_UNI_DIR_SECT_FW
,
923 QLCNIC_UNI_FIRMWARE_IDX_OFF
))->findex
);
925 return (u8
*)&adapter
->fw
->data
[offs
];
929 qlcnic_get_fw_size(struct qlcnic_adapter
*adapter
)
931 if (adapter
->fw_type
== QLCNIC_UNIFIED_ROMIMAGE
)
932 return cpu_to_le32((qlcnic_get_data_desc(adapter
,
933 QLCNIC_UNI_DIR_SECT_FW
,
934 QLCNIC_UNI_FIRMWARE_IDX_OFF
))->size
);
937 *(u32
*)&adapter
->fw
->data
[QLCNIC_FW_SIZE_OFFSET
]);
941 qlcnic_get_fw_version(struct qlcnic_adapter
*adapter
)
943 struct uni_data_desc
*fw_data_desc
;
944 const struct firmware
*fw
= adapter
->fw
;
945 __le32 major
, minor
, sub
;
949 if (adapter
->fw_type
!= QLCNIC_UNIFIED_ROMIMAGE
)
950 return cpu_to_le32(*(u32
*)&fw
->data
[QLCNIC_FW_VERSION_OFFSET
]);
952 fw_data_desc
= qlcnic_get_data_desc(adapter
, QLCNIC_UNI_DIR_SECT_FW
,
953 QLCNIC_UNI_FIRMWARE_IDX_OFF
);
954 ver_str
= fw
->data
+ cpu_to_le32(fw_data_desc
->findex
) +
955 cpu_to_le32(fw_data_desc
->size
) - 17;
957 for (i
= 0; i
< 12; i
++) {
958 if (!strncmp(&ver_str
[i
], "REV=", 4)) {
959 ret
= sscanf(&ver_str
[i
+4], "%u.%u.%u ",
960 &major
, &minor
, &sub
);
964 return major
+ (minor
<< 8) + (sub
<< 16);
972 qlcnic_get_bios_version(struct qlcnic_adapter
*adapter
)
974 const struct firmware
*fw
= adapter
->fw
;
975 __le32 bios_ver
, prd_off
= adapter
->file_prd_off
;
977 if (adapter
->fw_type
!= QLCNIC_UNIFIED_ROMIMAGE
)
979 *(u32
*)&fw
->data
[QLCNIC_BIOS_VERSION_OFFSET
]);
981 bios_ver
= cpu_to_le32(*((u32
*) (&fw
->data
[prd_off
])
982 + QLCNIC_UNI_BIOS_VERSION_OFF
));
984 return (bios_ver
<< 16) + ((bios_ver
>> 8) & 0xff00) + (bios_ver
>> 24);
987 static void qlcnic_rom_lock_recovery(struct qlcnic_adapter
*adapter
)
989 if (qlcnic_pcie_sem_lock(adapter
, 2, QLCNIC_ROM_LOCK_ID
))
990 dev_info(&adapter
->pdev
->dev
, "Resetting rom_lock\n");
992 qlcnic_pcie_sem_unlock(adapter
, 2);
996 qlcnic_check_fw_hearbeat(struct qlcnic_adapter
*adapter
)
998 u32 heartbeat
, ret
= -EIO
;
999 int retries
= QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT
;
1001 adapter
->heartbeat
= QLCRD32(adapter
, QLCNIC_PEG_ALIVE_COUNTER
);
1004 msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS
);
1005 heartbeat
= QLCRD32(adapter
, QLCNIC_PEG_ALIVE_COUNTER
);
1006 if (heartbeat
!= adapter
->heartbeat
) {
1007 ret
= QLCNIC_RCODE_SUCCESS
;
1010 } while (--retries
);
1016 qlcnic_need_fw_reset(struct qlcnic_adapter
*adapter
)
1018 if (qlcnic_check_fw_hearbeat(adapter
)) {
1019 qlcnic_rom_lock_recovery(adapter
);
1023 if (adapter
->need_fw_reset
)
1032 static const char *fw_name
[] = {
1033 QLCNIC_UNIFIED_ROMIMAGE_NAME
,
1034 QLCNIC_FLASH_ROMIMAGE_NAME
,
1038 qlcnic_load_firmware(struct qlcnic_adapter
*adapter
)
1041 u32 i
, flashaddr
, size
;
1042 const struct firmware
*fw
= adapter
->fw
;
1043 struct pci_dev
*pdev
= adapter
->pdev
;
1045 dev_info(&pdev
->dev
, "loading firmware from %s\n",
1046 fw_name
[adapter
->fw_type
]);
1051 size
= (QLCNIC_IMAGE_START
- QLCNIC_BOOTLD_START
) / 8;
1053 ptr64
= (u64
*)qlcnic_get_bootld_offs(adapter
);
1054 flashaddr
= QLCNIC_BOOTLD_START
;
1056 for (i
= 0; i
< size
; i
++) {
1057 data
= cpu_to_le64(ptr64
[i
]);
1059 if (qlcnic_pci_mem_write_2M(adapter
, flashaddr
, data
))
1065 size
= (__force u32
)qlcnic_get_fw_size(adapter
) / 8;
1067 ptr64
= (u64
*)qlcnic_get_fw_offs(adapter
);
1068 flashaddr
= QLCNIC_IMAGE_START
;
1070 for (i
= 0; i
< size
; i
++) {
1071 data
= cpu_to_le64(ptr64
[i
]);
1073 if (qlcnic_pci_mem_write_2M(adapter
,
1080 size
= (__force u32
)qlcnic_get_fw_size(adapter
) % 8;
1082 data
= cpu_to_le64(ptr64
[i
]);
1084 if (qlcnic_pci_mem_write_2M(adapter
,
1093 size
= (QLCNIC_IMAGE_START
- QLCNIC_BOOTLD_START
) / 8;
1094 flashaddr
= QLCNIC_BOOTLD_START
;
1096 for (i
= 0; i
< size
; i
++) {
1097 if (qlcnic_rom_fast_read(adapter
,
1098 flashaddr
, (int *)&lo
) != 0)
1100 if (qlcnic_rom_fast_read(adapter
,
1101 flashaddr
+ 4, (int *)&hi
) != 0)
1104 data
= (((u64
)hi
<< 32) | lo
);
1106 if (qlcnic_pci_mem_write_2M(adapter
,
1115 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_0
+ 0x18, 0x1020);
1116 QLCWR32(adapter
, QLCNIC_ROMUSB_GLB_SW_RESET
, 0x80001e);
1121 qlcnic_validate_firmware(struct qlcnic_adapter
*adapter
)
1124 u32 ver
, bios
, min_size
;
1125 struct pci_dev
*pdev
= adapter
->pdev
;
1126 const struct firmware
*fw
= adapter
->fw
;
1127 u8 fw_type
= adapter
->fw_type
;
1129 if (fw_type
== QLCNIC_UNIFIED_ROMIMAGE
) {
1130 if (qlcnic_validate_unified_romimage(adapter
))
1133 min_size
= QLCNIC_UNI_FW_MIN_SIZE
;
1135 val
= cpu_to_le32(*(u32
*)&fw
->data
[QLCNIC_FW_MAGIC_OFFSET
]);
1136 if ((__force u32
)val
!= QLCNIC_BDINFO_MAGIC
)
1139 min_size
= QLCNIC_FW_MIN_SIZE
;
1142 if (fw
->size
< min_size
)
1145 val
= qlcnic_get_fw_version(adapter
);
1146 ver
= QLCNIC_DECODE_VERSION(val
);
1148 if (ver
< QLCNIC_MIN_FW_VERSION
) {
1150 "%s: firmware version %d.%d.%d unsupported\n",
1151 fw_name
[fw_type
], _major(ver
), _minor(ver
), _build(ver
));
1155 val
= qlcnic_get_bios_version(adapter
);
1156 qlcnic_rom_fast_read(adapter
, QLCNIC_BIOS_VERSION_OFFSET
, (int *)&bios
);
1157 if ((__force u32
)val
!= bios
) {
1158 dev_err(&pdev
->dev
, "%s: firmware bios is incompatible\n",
1163 QLCWR32(adapter
, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC
);
1168 qlcnic_get_next_fwtype(struct qlcnic_adapter
*adapter
)
1172 switch (adapter
->fw_type
) {
1173 case QLCNIC_UNKNOWN_ROMIMAGE
:
1174 fw_type
= QLCNIC_UNIFIED_ROMIMAGE
;
1177 case QLCNIC_UNIFIED_ROMIMAGE
:
1179 fw_type
= QLCNIC_FLASH_ROMIMAGE
;
1183 adapter
->fw_type
= fw_type
;
1188 void qlcnic_request_firmware(struct qlcnic_adapter
*adapter
)
1190 struct pci_dev
*pdev
= adapter
->pdev
;
1193 adapter
->fw_type
= QLCNIC_UNKNOWN_ROMIMAGE
;
1196 qlcnic_get_next_fwtype(adapter
);
1198 if (adapter
->fw_type
== QLCNIC_FLASH_ROMIMAGE
) {
1201 rc
= request_firmware(&adapter
->fw
,
1202 fw_name
[adapter
->fw_type
], &pdev
->dev
);
1206 rc
= qlcnic_validate_firmware(adapter
);
1208 release_firmware(adapter
->fw
);
1217 qlcnic_release_firmware(struct qlcnic_adapter
*adapter
)
1220 release_firmware(adapter
->fw
);
1225 qlcnic_handle_linkevent(struct qlcnic_adapter
*adapter
,
1226 struct qlcnic_fw_msg
*msg
)
1231 u8 link_status
, module
, duplex
, autoneg
;
1232 struct net_device
*netdev
= adapter
->netdev
;
1234 adapter
->has_link_events
= 1;
1236 cable_OUI
= msg
->body
[1] & 0xffffffff;
1237 cable_len
= (msg
->body
[1] >> 32) & 0xffff;
1238 link_speed
= (msg
->body
[1] >> 48) & 0xffff;
1240 link_status
= msg
->body
[2] & 0xff;
1241 duplex
= (msg
->body
[2] >> 16) & 0xff;
1242 autoneg
= (msg
->body
[2] >> 24) & 0xff;
1244 module
= (msg
->body
[2] >> 8) & 0xff;
1245 if (module
== LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE
)
1246 dev_info(&netdev
->dev
, "unsupported cable: OUI 0x%x, "
1247 "length %d\n", cable_OUI
, cable_len
);
1248 else if (module
== LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN
)
1249 dev_info(&netdev
->dev
, "unsupported cable length %d\n",
1252 qlcnic_advert_link_change(adapter
, link_status
);
1254 if (duplex
== LINKEVENT_FULL_DUPLEX
)
1255 adapter
->link_duplex
= DUPLEX_FULL
;
1257 adapter
->link_duplex
= DUPLEX_HALF
;
1259 adapter
->module_type
= module
;
1260 adapter
->link_autoneg
= autoneg
;
1261 adapter
->link_speed
= link_speed
;
1265 qlcnic_handle_fw_message(int desc_cnt
, int index
,
1266 struct qlcnic_host_sds_ring
*sds_ring
)
1268 struct qlcnic_fw_msg msg
;
1269 struct status_desc
*desc
;
1272 while (desc_cnt
> 0 && i
< 8) {
1273 desc
= &sds_ring
->desc_head
[index
];
1274 msg
.words
[i
++] = le64_to_cpu(desc
->status_desc_data
[0]);
1275 msg
.words
[i
++] = le64_to_cpu(desc
->status_desc_data
[1]);
1277 index
= get_next_index(index
, sds_ring
->num_desc
);
1281 opcode
= qlcnic_get_nic_msg_opcode(msg
.body
[0]);
1283 case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE
:
1284 qlcnic_handle_linkevent(sds_ring
->adapter
, &msg
);
1292 qlcnic_alloc_rx_skb(struct qlcnic_adapter
*adapter
,
1293 struct qlcnic_host_rds_ring
*rds_ring
,
1294 struct qlcnic_rx_buffer
*buffer
)
1296 struct sk_buff
*skb
;
1298 struct pci_dev
*pdev
= adapter
->pdev
;
1300 skb
= dev_alloc_skb(rds_ring
->skb_size
);
1302 adapter
->stats
.skb_alloc_failure
++;
1306 skb_reserve(skb
, NET_IP_ALIGN
);
1308 dma
= pci_map_single(pdev
, skb
->data
,
1309 rds_ring
->dma_size
, PCI_DMA_FROMDEVICE
);
1311 if (pci_dma_mapping_error(pdev
, dma
)) {
1312 adapter
->stats
.rx_dma_map_error
++;
1313 dev_kfree_skb_any(skb
);
1323 static struct sk_buff
*qlcnic_process_rxbuf(struct qlcnic_adapter
*adapter
,
1324 struct qlcnic_host_rds_ring
*rds_ring
, u16 index
, u16 cksum
)
1326 struct qlcnic_rx_buffer
*buffer
;
1327 struct sk_buff
*skb
;
1329 buffer
= &rds_ring
->rx_buf_arr
[index
];
1331 if (unlikely(buffer
->skb
== NULL
)) {
1336 pci_unmap_single(adapter
->pdev
, buffer
->dma
, rds_ring
->dma_size
,
1337 PCI_DMA_FROMDEVICE
);
1341 if (likely(adapter
->rx_csum
&& (cksum
== STATUS_CKSUM_OK
||
1342 cksum
== STATUS_CKSUM_LOOP
))) {
1343 adapter
->stats
.csummed
++;
1344 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1346 skb_checksum_none_assert(skb
);
1349 skb
->dev
= adapter
->netdev
;
1357 qlcnic_check_rx_tagging(struct qlcnic_adapter
*adapter
, struct sk_buff
*skb
,
1360 struct ethhdr
*eth_hdr
;
1362 if (!__vlan_get_tag(skb
, vlan_tag
)) {
1363 eth_hdr
= (struct ethhdr
*) skb
->data
;
1364 memmove(skb
->data
+ VLAN_HLEN
, eth_hdr
, ETH_ALEN
* 2);
1365 skb_pull(skb
, VLAN_HLEN
);
1370 if (*vlan_tag
== adapter
->pvid
) {
1371 /* Outer vlan tag. Packet should follow non-vlan path */
1375 if (adapter
->flags
& QLCNIC_TAGGING_ENABLED
)
1381 static struct qlcnic_rx_buffer
*
1382 qlcnic_process_rcv(struct qlcnic_adapter
*adapter
,
1383 struct qlcnic_host_sds_ring
*sds_ring
,
1384 int ring
, u64 sts_data0
)
1386 struct net_device
*netdev
= adapter
->netdev
;
1387 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
1388 struct qlcnic_rx_buffer
*buffer
;
1389 struct sk_buff
*skb
;
1390 struct qlcnic_host_rds_ring
*rds_ring
;
1391 int index
, length
, cksum
, pkt_offset
;
1394 if (unlikely(ring
>= adapter
->max_rds_rings
))
1397 rds_ring
= &recv_ctx
->rds_rings
[ring
];
1399 index
= qlcnic_get_sts_refhandle(sts_data0
);
1400 if (unlikely(index
>= rds_ring
->num_desc
))
1403 buffer
= &rds_ring
->rx_buf_arr
[index
];
1405 length
= qlcnic_get_sts_totallength(sts_data0
);
1406 cksum
= qlcnic_get_sts_status(sts_data0
);
1407 pkt_offset
= qlcnic_get_sts_pkt_offset(sts_data0
);
1409 skb
= qlcnic_process_rxbuf(adapter
, rds_ring
, index
, cksum
);
1413 if (length
> rds_ring
->skb_size
)
1414 skb_put(skb
, rds_ring
->skb_size
);
1416 skb_put(skb
, length
);
1419 skb_pull(skb
, pkt_offset
);
1421 if (unlikely(qlcnic_check_rx_tagging(adapter
, skb
, &vid
))) {
1422 adapter
->stats
.rxdropped
++;
1427 skb
->protocol
= eth_type_trans(skb
, netdev
);
1429 if ((vid
!= 0xffff) && adapter
->vlgrp
)
1430 vlan_gro_receive(&sds_ring
->napi
, adapter
->vlgrp
, vid
, skb
);
1432 napi_gro_receive(&sds_ring
->napi
, skb
);
1434 adapter
->stats
.rx_pkts
++;
1435 adapter
->stats
.rxbytes
+= length
;
1440 #define QLC_TCP_HDR_SIZE 20
1441 #define QLC_TCP_TS_OPTION_SIZE 12
1442 #define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE)
1444 static struct qlcnic_rx_buffer
*
1445 qlcnic_process_lro(struct qlcnic_adapter
*adapter
,
1446 struct qlcnic_host_sds_ring
*sds_ring
,
1447 int ring
, u64 sts_data0
, u64 sts_data1
)
1449 struct net_device
*netdev
= adapter
->netdev
;
1450 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
1451 struct qlcnic_rx_buffer
*buffer
;
1452 struct sk_buff
*skb
;
1453 struct qlcnic_host_rds_ring
*rds_ring
;
1456 bool push
, timestamp
;
1457 int l2_hdr_offset
, l4_hdr_offset
;
1459 u16 lro_length
, length
, data_offset
;
1463 if (unlikely(ring
> adapter
->max_rds_rings
))
1466 rds_ring
= &recv_ctx
->rds_rings
[ring
];
1468 index
= qlcnic_get_lro_sts_refhandle(sts_data0
);
1469 if (unlikely(index
> rds_ring
->num_desc
))
1472 buffer
= &rds_ring
->rx_buf_arr
[index
];
1474 timestamp
= qlcnic_get_lro_sts_timestamp(sts_data0
);
1475 lro_length
= qlcnic_get_lro_sts_length(sts_data0
);
1476 l2_hdr_offset
= qlcnic_get_lro_sts_l2_hdr_offset(sts_data0
);
1477 l4_hdr_offset
= qlcnic_get_lro_sts_l4_hdr_offset(sts_data0
);
1478 push
= qlcnic_get_lro_sts_push_flag(sts_data0
);
1479 seq_number
= qlcnic_get_lro_sts_seq_number(sts_data1
);
1481 skb
= qlcnic_process_rxbuf(adapter
, rds_ring
, index
, STATUS_CKSUM_OK
);
1486 data_offset
= l4_hdr_offset
+ QLC_TCP_TS_HDR_SIZE
;
1488 data_offset
= l4_hdr_offset
+ QLC_TCP_HDR_SIZE
;
1490 skb_put(skb
, lro_length
+ data_offset
);
1492 skb_pull(skb
, l2_hdr_offset
);
1494 if (unlikely(qlcnic_check_rx_tagging(adapter
, skb
, &vid
))) {
1495 adapter
->stats
.rxdropped
++;
1500 skb
->protocol
= eth_type_trans(skb
, netdev
);
1502 iph
= (struct iphdr
*)skb
->data
;
1503 th
= (struct tcphdr
*)(skb
->data
+ (iph
->ihl
<< 2));
1505 length
= (iph
->ihl
<< 2) + (th
->doff
<< 2) + lro_length
;
1506 iph
->tot_len
= htons(length
);
1508 iph
->check
= ip_fast_csum((unsigned char *)iph
, iph
->ihl
);
1510 th
->seq
= htonl(seq_number
);
1514 if ((vid
!= 0xffff) && adapter
->vlgrp
)
1515 vlan_hwaccel_receive_skb(skb
, adapter
->vlgrp
, vid
);
1517 netif_receive_skb(skb
);
1519 adapter
->stats
.lro_pkts
++;
1520 adapter
->stats
.lrobytes
+= length
;
1526 qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring
*sds_ring
, int max
)
1528 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1529 struct list_head
*cur
;
1530 struct status_desc
*desc
;
1531 struct qlcnic_rx_buffer
*rxbuf
;
1532 u64 sts_data0
, sts_data1
;
1535 int opcode
, ring
, desc_cnt
;
1536 u32 consumer
= sds_ring
->consumer
;
1538 while (count
< max
) {
1539 desc
= &sds_ring
->desc_head
[consumer
];
1540 sts_data0
= le64_to_cpu(desc
->status_desc_data
[0]);
1542 if (!(sts_data0
& STATUS_OWNER_HOST
))
1545 desc_cnt
= qlcnic_get_sts_desc_cnt(sts_data0
);
1546 opcode
= qlcnic_get_sts_opcode(sts_data0
);
1549 case QLCNIC_RXPKT_DESC
:
1550 case QLCNIC_OLD_RXPKT_DESC
:
1551 case QLCNIC_SYN_OFFLOAD
:
1552 ring
= qlcnic_get_sts_type(sts_data0
);
1553 rxbuf
= qlcnic_process_rcv(adapter
, sds_ring
,
1556 case QLCNIC_LRO_DESC
:
1557 ring
= qlcnic_get_lro_sts_type(sts_data0
);
1558 sts_data1
= le64_to_cpu(desc
->status_desc_data
[1]);
1559 rxbuf
= qlcnic_process_lro(adapter
, sds_ring
,
1560 ring
, sts_data0
, sts_data1
);
1562 case QLCNIC_RESPONSE_DESC
:
1563 qlcnic_handle_fw_message(desc_cnt
, consumer
, sds_ring
);
1568 WARN_ON(desc_cnt
> 1);
1571 list_add_tail(&rxbuf
->list
, &sds_ring
->free_list
[ring
]);
1573 adapter
->stats
.null_rxbuf
++;
1576 for (; desc_cnt
> 0; desc_cnt
--) {
1577 desc
= &sds_ring
->desc_head
[consumer
];
1578 desc
->status_desc_data
[0] =
1579 cpu_to_le64(STATUS_OWNER_PHANTOM
);
1580 consumer
= get_next_index(consumer
, sds_ring
->num_desc
);
1585 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
1586 struct qlcnic_host_rds_ring
*rds_ring
=
1587 &adapter
->recv_ctx
.rds_rings
[ring
];
1589 if (!list_empty(&sds_ring
->free_list
[ring
])) {
1590 list_for_each(cur
, &sds_ring
->free_list
[ring
]) {
1591 rxbuf
= list_entry(cur
,
1592 struct qlcnic_rx_buffer
, list
);
1593 qlcnic_alloc_rx_skb(adapter
, rds_ring
, rxbuf
);
1595 spin_lock(&rds_ring
->lock
);
1596 list_splice_tail_init(&sds_ring
->free_list
[ring
],
1597 &rds_ring
->free_list
);
1598 spin_unlock(&rds_ring
->lock
);
1601 qlcnic_post_rx_buffers_nodb(adapter
, rds_ring
);
1605 sds_ring
->consumer
= consumer
;
1606 writel(consumer
, sds_ring
->crb_sts_consumer
);
1613 qlcnic_post_rx_buffers(struct qlcnic_adapter
*adapter
, u32 ringid
,
1614 struct qlcnic_host_rds_ring
*rds_ring
)
1616 struct rcv_desc
*pdesc
;
1617 struct qlcnic_rx_buffer
*buffer
;
1618 int producer
, count
= 0;
1619 struct list_head
*head
;
1621 producer
= rds_ring
->producer
;
1623 head
= &rds_ring
->free_list
;
1624 while (!list_empty(head
)) {
1626 buffer
= list_entry(head
->next
, struct qlcnic_rx_buffer
, list
);
1629 if (qlcnic_alloc_rx_skb(adapter
, rds_ring
, buffer
))
1634 list_del(&buffer
->list
);
1636 /* make a rcv descriptor */
1637 pdesc
= &rds_ring
->desc_head
[producer
];
1638 pdesc
->addr_buffer
= cpu_to_le64(buffer
->dma
);
1639 pdesc
->reference_handle
= cpu_to_le16(buffer
->ref_handle
);
1640 pdesc
->buffer_length
= cpu_to_le32(rds_ring
->dma_size
);
1642 producer
= get_next_index(producer
, rds_ring
->num_desc
);
1646 rds_ring
->producer
= producer
;
1647 writel((producer
-1) & (rds_ring
->num_desc
-1),
1648 rds_ring
->crb_rcv_producer
);
1653 qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter
*adapter
,
1654 struct qlcnic_host_rds_ring
*rds_ring
)
1656 struct rcv_desc
*pdesc
;
1657 struct qlcnic_rx_buffer
*buffer
;
1658 int producer
, count
= 0;
1659 struct list_head
*head
;
1661 if (!spin_trylock(&rds_ring
->lock
))
1664 producer
= rds_ring
->producer
;
1666 head
= &rds_ring
->free_list
;
1667 while (!list_empty(head
)) {
1669 buffer
= list_entry(head
->next
, struct qlcnic_rx_buffer
, list
);
1672 if (qlcnic_alloc_rx_skb(adapter
, rds_ring
, buffer
))
1677 list_del(&buffer
->list
);
1679 /* make a rcv descriptor */
1680 pdesc
= &rds_ring
->desc_head
[producer
];
1681 pdesc
->reference_handle
= cpu_to_le16(buffer
->ref_handle
);
1682 pdesc
->buffer_length
= cpu_to_le32(rds_ring
->dma_size
);
1683 pdesc
->addr_buffer
= cpu_to_le64(buffer
->dma
);
1685 producer
= get_next_index(producer
, rds_ring
->num_desc
);
1689 rds_ring
->producer
= producer
;
1690 writel((producer
- 1) & (rds_ring
->num_desc
- 1),
1691 rds_ring
->crb_rcv_producer
);
1693 spin_unlock(&rds_ring
->lock
);
1696 static void dump_skb(struct sk_buff
*skb
)
1699 unsigned char *data
= skb
->data
;
1701 for (i
= 0; i
< skb
->len
; i
++) {
1702 printk("%02x ", data
[i
]);
1703 if ((i
& 0x0f) == 8)
1708 static struct qlcnic_rx_buffer
*
1709 qlcnic_process_rcv_diag(struct qlcnic_adapter
*adapter
,
1710 struct qlcnic_host_sds_ring
*sds_ring
,
1711 int ring
, u64 sts_data0
)
1713 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
1714 struct qlcnic_rx_buffer
*buffer
;
1715 struct sk_buff
*skb
;
1716 struct qlcnic_host_rds_ring
*rds_ring
;
1717 int index
, length
, cksum
, pkt_offset
;
1719 if (unlikely(ring
>= adapter
->max_rds_rings
))
1722 rds_ring
= &recv_ctx
->rds_rings
[ring
];
1724 index
= qlcnic_get_sts_refhandle(sts_data0
);
1725 if (unlikely(index
>= rds_ring
->num_desc
))
1728 buffer
= &rds_ring
->rx_buf_arr
[index
];
1730 length
= qlcnic_get_sts_totallength(sts_data0
);
1731 cksum
= qlcnic_get_sts_status(sts_data0
);
1732 pkt_offset
= qlcnic_get_sts_pkt_offset(sts_data0
);
1734 skb
= qlcnic_process_rxbuf(adapter
, rds_ring
, index
, cksum
);
1738 if (length
> rds_ring
->skb_size
)
1739 skb_put(skb
, rds_ring
->skb_size
);
1741 skb_put(skb
, length
);
1744 skb_pull(skb
, pkt_offset
);
1746 if (!qlcnic_check_loopback_buff(skb
->data
))
1747 adapter
->diag_cnt
++;
1751 dev_kfree_skb_any(skb
);
1752 adapter
->stats
.rx_pkts
++;
1753 adapter
->stats
.rxbytes
+= length
;
1759 qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring
*sds_ring
)
1761 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1762 struct status_desc
*desc
;
1763 struct qlcnic_rx_buffer
*rxbuf
;
1766 int opcode
, ring
, desc_cnt
;
1767 u32 consumer
= sds_ring
->consumer
;
1769 desc
= &sds_ring
->desc_head
[consumer
];
1770 sts_data0
= le64_to_cpu(desc
->status_desc_data
[0]);
1772 if (!(sts_data0
& STATUS_OWNER_HOST
))
1775 desc_cnt
= qlcnic_get_sts_desc_cnt(sts_data0
);
1776 opcode
= qlcnic_get_sts_opcode(sts_data0
);
1778 ring
= qlcnic_get_sts_type(sts_data0
);
1779 rxbuf
= qlcnic_process_rcv_diag(adapter
, sds_ring
,
1782 desc
->status_desc_data
[0] = cpu_to_le64(STATUS_OWNER_PHANTOM
);
1783 consumer
= get_next_index(consumer
, sds_ring
->num_desc
);
1785 sds_ring
->consumer
= consumer
;
1786 writel(consumer
, sds_ring
->crb_sts_consumer
);
1790 qlcnic_fetch_mac(struct qlcnic_adapter
*adapter
, u32 off1
, u32 off2
,
1791 u8 alt_mac
, u8
*mac
)
1793 u32 mac_low
, mac_high
;
1796 mac_low
= QLCRD32(adapter
, off1
);
1797 mac_high
= QLCRD32(adapter
, off2
);
1800 mac_low
|= (mac_low
>> 16) | (mac_high
<< 16);
1804 for (i
= 0; i
< 2; i
++)
1805 mac
[i
] = (u8
)(mac_high
>> ((1 - i
) * 8));
1806 for (i
= 2; i
< 6; i
++)
1807 mac
[i
] = (u8
)(mac_low
>> ((5 - i
) * 8));