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>
30 struct crb_addr_pair
{
35 #define QLCNIC_MAX_CRB_XFORM 60
36 static unsigned int crb_addr_xform
[QLCNIC_MAX_CRB_XFORM
];
38 #define crb_addr_transform(name) \
39 (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \
40 QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20)
42 #define QLCNIC_ADDR_ERROR (0xffffffff)
45 qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter
*adapter
,
46 struct qlcnic_host_rds_ring
*rds_ring
);
48 static void crb_addr_transform_setup(void)
50 crb_addr_transform(XDMA
);
51 crb_addr_transform(TIMR
);
52 crb_addr_transform(SRE
);
53 crb_addr_transform(SQN3
);
54 crb_addr_transform(SQN2
);
55 crb_addr_transform(SQN1
);
56 crb_addr_transform(SQN0
);
57 crb_addr_transform(SQS3
);
58 crb_addr_transform(SQS2
);
59 crb_addr_transform(SQS1
);
60 crb_addr_transform(SQS0
);
61 crb_addr_transform(RPMX7
);
62 crb_addr_transform(RPMX6
);
63 crb_addr_transform(RPMX5
);
64 crb_addr_transform(RPMX4
);
65 crb_addr_transform(RPMX3
);
66 crb_addr_transform(RPMX2
);
67 crb_addr_transform(RPMX1
);
68 crb_addr_transform(RPMX0
);
69 crb_addr_transform(ROMUSB
);
70 crb_addr_transform(SN
);
71 crb_addr_transform(QMN
);
72 crb_addr_transform(QMS
);
73 crb_addr_transform(PGNI
);
74 crb_addr_transform(PGND
);
75 crb_addr_transform(PGN3
);
76 crb_addr_transform(PGN2
);
77 crb_addr_transform(PGN1
);
78 crb_addr_transform(PGN0
);
79 crb_addr_transform(PGSI
);
80 crb_addr_transform(PGSD
);
81 crb_addr_transform(PGS3
);
82 crb_addr_transform(PGS2
);
83 crb_addr_transform(PGS1
);
84 crb_addr_transform(PGS0
);
85 crb_addr_transform(PS
);
86 crb_addr_transform(PH
);
87 crb_addr_transform(NIU
);
88 crb_addr_transform(I2Q
);
89 crb_addr_transform(EG
);
90 crb_addr_transform(MN
);
91 crb_addr_transform(MS
);
92 crb_addr_transform(CAS2
);
93 crb_addr_transform(CAS1
);
94 crb_addr_transform(CAS0
);
95 crb_addr_transform(CAM
);
96 crb_addr_transform(C2C1
);
97 crb_addr_transform(C2C0
);
98 crb_addr_transform(SMB
);
99 crb_addr_transform(OCM0
);
100 crb_addr_transform(I2C0
);
103 void qlcnic_release_rx_buffers(struct qlcnic_adapter
*adapter
)
105 struct qlcnic_recv_context
*recv_ctx
;
106 struct qlcnic_host_rds_ring
*rds_ring
;
107 struct qlcnic_rx_buffer
*rx_buf
;
110 recv_ctx
= &adapter
->recv_ctx
;
111 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
112 rds_ring
= &recv_ctx
->rds_rings
[ring
];
113 for (i
= 0; i
< rds_ring
->num_desc
; ++i
) {
114 rx_buf
= &(rds_ring
->rx_buf_arr
[i
]);
115 if (rx_buf
->skb
== NULL
)
118 pci_unmap_single(adapter
->pdev
,
123 dev_kfree_skb_any(rx_buf
->skb
);
128 void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter
*adapter
)
130 struct qlcnic_recv_context
*recv_ctx
;
131 struct qlcnic_host_rds_ring
*rds_ring
;
132 struct qlcnic_rx_buffer
*rx_buf
;
135 recv_ctx
= &adapter
->recv_ctx
;
136 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
137 rds_ring
= &recv_ctx
->rds_rings
[ring
];
139 spin_lock(&rds_ring
->lock
);
141 INIT_LIST_HEAD(&rds_ring
->free_list
);
143 rx_buf
= rds_ring
->rx_buf_arr
;
144 for (i
= 0; i
< rds_ring
->num_desc
; i
++) {
145 list_add_tail(&rx_buf
->list
,
146 &rds_ring
->free_list
);
150 spin_unlock(&rds_ring
->lock
);
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_P3_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_P3_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
;
443 qlcnic_rom_lock(adapter
);
444 QLCWR32(adapter
, QLCNIC_ROMUSB_GLB_SW_RESET
, 0xfeffffff);
445 qlcnic_rom_unlock(adapter
);
447 if (qlcnic_rom_fast_read(adapter
, 0, &n
) != 0 || (n
!= 0xcafecafe) ||
448 qlcnic_rom_fast_read(adapter
, 4, &n
) != 0) {
449 dev_err(&pdev
->dev
, "ERROR Reading crb_init area: val:%x\n", n
);
452 offset
= n
& 0xffffU
;
453 n
= (n
>> 16) & 0xffffU
;
456 dev_err(&pdev
->dev
, "QLOGIC card flash not initialized.\n");
460 buf
= kcalloc(n
, sizeof(struct crb_addr_pair
), GFP_KERNEL
);
462 dev_err(&pdev
->dev
, "Unable to calloc memory for rom read.\n");
466 for (i
= 0; i
< n
; i
++) {
467 if (qlcnic_rom_fast_read(adapter
, 8*i
+ 4*offset
, &val
) != 0 ||
468 qlcnic_rom_fast_read(adapter
, 8*i
+ 4*offset
+ 4, &addr
) != 0) {
477 for (i
= 0; i
< n
; i
++) {
479 off
= qlcnic_decode_crb_addr(buf
[i
].addr
);
480 if (off
== QLCNIC_ADDR_ERROR
) {
481 dev_err(&pdev
->dev
, "CRB init value out of range %x\n",
485 off
+= QLCNIC_PCI_CRBSPACE
;
490 /* skipping cold reboot MAGIC */
491 if (off
== QLCNIC_CAM_RAM(0x1fc))
493 if (off
== (QLCNIC_CRB_I2C0
+ 0x1c))
495 if (off
== (ROMUSB_GLB
+ 0xbc)) /* do not reset PCI */
497 if (off
== (ROMUSB_GLB
+ 0xa8))
499 if (off
== (ROMUSB_GLB
+ 0xc8)) /* core clock */
501 if (off
== (ROMUSB_GLB
+ 0x24)) /* MN clock */
503 if (off
== (ROMUSB_GLB
+ 0x1c)) /* MS clock */
505 if ((off
& 0x0ff00000) == QLCNIC_CRB_DDR_NET
)
507 /* skip the function enable register */
508 if (off
== QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION
))
510 if (off
== QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2
))
512 if ((off
& 0x0ff00000) == QLCNIC_CRB_SMB
)
516 /* After writing this register, HW needs time for CRB */
517 /* to quiet down (else crb_window returns 0xffffffff) */
518 if (off
== QLCNIC_ROMUSB_GLB_SW_RESET
)
521 QLCWR32(adapter
, off
, buf
[i
].data
);
527 /* p2dn replyCount */
528 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_D
+ 0xec, 0x1e);
529 /* disable_peg_cache 0 & 1*/
530 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_D
+ 0x4c, 8);
531 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);
546 qlcnic_setup_idc_param(struct qlcnic_adapter
*adapter
) {
551 val
= QLCRD32(adapter
, QLCNIC_CRB_DEV_PARTITION_INFO
);
552 val
= QLC_DEV_GET_DRV(val
, adapter
->portnum
);
553 if ((val
& 0x3) != QLCNIC_TYPE_NIC
) {
554 dev_err(&adapter
->pdev
->dev
,
555 "Not an Ethernet NIC func=%u\n", val
);
558 adapter
->physical_port
= (val
>> 2);
559 if (qlcnic_rom_fast_read(adapter
, QLCNIC_ROM_DEV_INIT_TIMEOUT
, &timeo
))
562 adapter
->dev_init_timeo
= timeo
;
564 if (qlcnic_rom_fast_read(adapter
, QLCNIC_ROM_DRV_RESET_TIMEOUT
, &timeo
))
567 adapter
->reset_ack_timeo
= timeo
;
573 qlcnic_check_flash_fw_ver(struct qlcnic_adapter
*adapter
)
575 u32 ver
= -1, min_ver
;
577 qlcnic_rom_fast_read(adapter
, QLCNIC_FW_VERSION_OFFSET
, (int *)&ver
);
579 ver
= QLCNIC_DECODE_VERSION(ver
);
580 min_ver
= QLCNIC_MIN_FW_VERSION
;
583 dev_err(&adapter
->pdev
->dev
,
584 "firmware version %d.%d.%d unsupported."
585 "Min supported version %d.%d.%d\n",
586 _major(ver
), _minor(ver
), _build(ver
),
587 _major(min_ver
), _minor(min_ver
), _build(min_ver
));
595 qlcnic_has_mn(struct qlcnic_adapter
*adapter
)
600 capability
= QLCRD32(adapter
, QLCNIC_PEG_TUNE_CAPABILITY
);
601 if (capability
& QLCNIC_PEG_TUNE_MN_PRESENT
)
608 struct uni_table_desc
*qlcnic_get_table_desc(const u8
*unirom
, int section
)
611 struct uni_table_desc
*directory
= (struct uni_table_desc
*) &unirom
[0];
612 __le32 entries
= cpu_to_le32(directory
->num_entries
);
614 for (i
= 0; i
< entries
; i
++) {
616 __le32 offs
= cpu_to_le32(directory
->findex
) +
617 (i
* cpu_to_le32(directory
->entry_size
));
618 __le32 tab_type
= cpu_to_le32(*((u32
*)&unirom
[offs
] + 8));
620 if (tab_type
== section
)
621 return (struct uni_table_desc
*) &unirom
[offs
];
627 #define FILEHEADER_SIZE (14 * 4)
630 qlcnic_validate_header(struct qlcnic_adapter
*adapter
)
632 const u8
*unirom
= adapter
->fw
->data
;
633 struct uni_table_desc
*directory
= (struct uni_table_desc
*) &unirom
[0];
634 __le32 fw_file_size
= adapter
->fw
->size
;
639 if (fw_file_size
< FILEHEADER_SIZE
)
642 entries
= cpu_to_le32(directory
->num_entries
);
643 entry_size
= cpu_to_le32(directory
->entry_size
);
644 tab_size
= cpu_to_le32(directory
->findex
) + (entries
* entry_size
);
646 if (fw_file_size
< tab_size
)
653 qlcnic_validate_bootld(struct qlcnic_adapter
*adapter
)
655 struct uni_table_desc
*tab_desc
;
656 struct uni_data_desc
*descr
;
657 const u8
*unirom
= adapter
->fw
->data
;
658 int idx
= cpu_to_le32(*((int *)&unirom
[adapter
->file_prd_off
] +
659 QLCNIC_UNI_BOOTLD_IDX_OFF
));
664 tab_desc
= qlcnic_get_table_desc(unirom
, QLCNIC_UNI_DIR_SECT_BOOTLD
);
669 tab_size
= cpu_to_le32(tab_desc
->findex
) +
670 (cpu_to_le32(tab_desc
->entry_size
) * (idx
+ 1));
672 if (adapter
->fw
->size
< tab_size
)
675 offs
= cpu_to_le32(tab_desc
->findex
) +
676 (cpu_to_le32(tab_desc
->entry_size
) * (idx
));
677 descr
= (struct uni_data_desc
*)&unirom
[offs
];
679 data_size
= cpu_to_le32(descr
->findex
) + cpu_to_le32(descr
->size
);
681 if (adapter
->fw
->size
< data_size
)
688 qlcnic_validate_fw(struct qlcnic_adapter
*adapter
)
690 struct uni_table_desc
*tab_desc
;
691 struct uni_data_desc
*descr
;
692 const u8
*unirom
= adapter
->fw
->data
;
693 int idx
= cpu_to_le32(*((int *)&unirom
[adapter
->file_prd_off
] +
694 QLCNIC_UNI_FIRMWARE_IDX_OFF
));
699 tab_desc
= qlcnic_get_table_desc(unirom
, QLCNIC_UNI_DIR_SECT_FW
);
704 tab_size
= cpu_to_le32(tab_desc
->findex
) +
705 (cpu_to_le32(tab_desc
->entry_size
) * (idx
+ 1));
707 if (adapter
->fw
->size
< tab_size
)
710 offs
= cpu_to_le32(tab_desc
->findex
) +
711 (cpu_to_le32(tab_desc
->entry_size
) * (idx
));
712 descr
= (struct uni_data_desc
*)&unirom
[offs
];
713 data_size
= cpu_to_le32(descr
->findex
) + cpu_to_le32(descr
->size
);
715 if (adapter
->fw
->size
< data_size
)
722 qlcnic_validate_product_offs(struct qlcnic_adapter
*adapter
)
724 struct uni_table_desc
*ptab_descr
;
725 const u8
*unirom
= adapter
->fw
->data
;
726 int mn_present
= qlcnic_has_mn(adapter
);
732 ptab_descr
= qlcnic_get_table_desc(unirom
,
733 QLCNIC_UNI_DIR_SECT_PRODUCT_TBL
);
737 entries
= cpu_to_le32(ptab_descr
->num_entries
);
738 entry_size
= cpu_to_le32(ptab_descr
->entry_size
);
739 tab_size
= cpu_to_le32(ptab_descr
->findex
) + (entries
* entry_size
);
741 if (adapter
->fw
->size
< tab_size
)
745 for (i
= 0; i
< entries
; i
++) {
747 __le32 flags
, file_chiprev
, offs
;
748 u8 chiprev
= adapter
->ahw
.revision_id
;
751 offs
= cpu_to_le32(ptab_descr
->findex
) +
752 (i
* cpu_to_le32(ptab_descr
->entry_size
));
753 flags
= cpu_to_le32(*((int *)&unirom
[offs
] +
754 QLCNIC_UNI_FLAGS_OFF
));
755 file_chiprev
= cpu_to_le32(*((int *)&unirom
[offs
] +
756 QLCNIC_UNI_CHIP_REV_OFF
));
758 flagbit
= mn_present
? 1 : 2;
760 if ((chiprev
== file_chiprev
) &&
761 ((1ULL << flagbit
) & flags
)) {
762 adapter
->file_prd_off
= offs
;
774 qlcnic_validate_unified_romimage(struct qlcnic_adapter
*adapter
)
776 if (qlcnic_validate_header(adapter
)) {
777 dev_err(&adapter
->pdev
->dev
,
778 "unified image: header validation failed\n");
782 if (qlcnic_validate_product_offs(adapter
)) {
783 dev_err(&adapter
->pdev
->dev
,
784 "unified image: product validation failed\n");
788 if (qlcnic_validate_bootld(adapter
)) {
789 dev_err(&adapter
->pdev
->dev
,
790 "unified image: bootld validation failed\n");
794 if (qlcnic_validate_fw(adapter
)) {
795 dev_err(&adapter
->pdev
->dev
,
796 "unified image: firmware validation failed\n");
804 struct uni_data_desc
*qlcnic_get_data_desc(struct qlcnic_adapter
*adapter
,
805 u32 section
, u32 idx_offset
)
807 const u8
*unirom
= adapter
->fw
->data
;
808 int idx
= cpu_to_le32(*((int *)&unirom
[adapter
->file_prd_off
] +
810 struct uni_table_desc
*tab_desc
;
813 tab_desc
= qlcnic_get_table_desc(unirom
, section
);
815 if (tab_desc
== NULL
)
818 offs
= cpu_to_le32(tab_desc
->findex
) +
819 (cpu_to_le32(tab_desc
->entry_size
) * idx
);
821 return (struct uni_data_desc
*)&unirom
[offs
];
825 qlcnic_get_bootld_offs(struct qlcnic_adapter
*adapter
)
827 u32 offs
= QLCNIC_BOOTLD_START
;
829 if (adapter
->fw_type
== QLCNIC_UNIFIED_ROMIMAGE
)
830 offs
= cpu_to_le32((qlcnic_get_data_desc(adapter
,
831 QLCNIC_UNI_DIR_SECT_BOOTLD
,
832 QLCNIC_UNI_BOOTLD_IDX_OFF
))->findex
);
834 return (u8
*)&adapter
->fw
->data
[offs
];
838 qlcnic_get_fw_offs(struct qlcnic_adapter
*adapter
)
840 u32 offs
= QLCNIC_IMAGE_START
;
842 if (adapter
->fw_type
== QLCNIC_UNIFIED_ROMIMAGE
)
843 offs
= cpu_to_le32((qlcnic_get_data_desc(adapter
,
844 QLCNIC_UNI_DIR_SECT_FW
,
845 QLCNIC_UNI_FIRMWARE_IDX_OFF
))->findex
);
847 return (u8
*)&adapter
->fw
->data
[offs
];
851 qlcnic_get_fw_size(struct qlcnic_adapter
*adapter
)
853 if (adapter
->fw_type
== QLCNIC_UNIFIED_ROMIMAGE
)
854 return cpu_to_le32((qlcnic_get_data_desc(adapter
,
855 QLCNIC_UNI_DIR_SECT_FW
,
856 QLCNIC_UNI_FIRMWARE_IDX_OFF
))->size
);
859 *(u32
*)&adapter
->fw
->data
[QLCNIC_FW_SIZE_OFFSET
]);
863 qlcnic_get_fw_version(struct qlcnic_adapter
*adapter
)
865 struct uni_data_desc
*fw_data_desc
;
866 const struct firmware
*fw
= adapter
->fw
;
867 __le32 major
, minor
, sub
;
871 if (adapter
->fw_type
!= QLCNIC_UNIFIED_ROMIMAGE
)
872 return cpu_to_le32(*(u32
*)&fw
->data
[QLCNIC_FW_VERSION_OFFSET
]);
874 fw_data_desc
= qlcnic_get_data_desc(adapter
, QLCNIC_UNI_DIR_SECT_FW
,
875 QLCNIC_UNI_FIRMWARE_IDX_OFF
);
876 ver_str
= fw
->data
+ cpu_to_le32(fw_data_desc
->findex
) +
877 cpu_to_le32(fw_data_desc
->size
) - 17;
879 for (i
= 0; i
< 12; i
++) {
880 if (!strncmp(&ver_str
[i
], "REV=", 4)) {
881 ret
= sscanf(&ver_str
[i
+4], "%u.%u.%u ",
882 &major
, &minor
, &sub
);
886 return major
+ (minor
<< 8) + (sub
<< 16);
894 qlcnic_get_bios_version(struct qlcnic_adapter
*adapter
)
896 const struct firmware
*fw
= adapter
->fw
;
897 __le32 bios_ver
, prd_off
= adapter
->file_prd_off
;
899 if (adapter
->fw_type
!= QLCNIC_UNIFIED_ROMIMAGE
)
901 *(u32
*)&fw
->data
[QLCNIC_BIOS_VERSION_OFFSET
]);
903 bios_ver
= cpu_to_le32(*((u32
*) (&fw
->data
[prd_off
])
904 + QLCNIC_UNI_BIOS_VERSION_OFF
));
906 return (bios_ver
<< 16) + ((bios_ver
>> 8) & 0xff00) + (bios_ver
>> 24);
910 qlcnic_need_fw_reset(struct qlcnic_adapter
*adapter
)
912 u32 count
, old_count
;
913 u32 val
, version
, major
, minor
, build
;
916 if (adapter
->need_fw_reset
)
919 /* last attempt had failed */
920 if (QLCRD32(adapter
, CRB_CMDPEG_STATE
) == PHAN_INITIALIZE_FAILED
)
923 old_count
= QLCRD32(adapter
, QLCNIC_PEG_ALIVE_COUNTER
);
925 for (i
= 0; i
< 10; i
++) {
927 timeout
= msleep_interruptible(200);
929 QLCWR32(adapter
, CRB_CMDPEG_STATE
,
930 PHAN_INITIALIZE_FAILED
);
934 count
= QLCRD32(adapter
, QLCNIC_PEG_ALIVE_COUNTER
);
935 if (count
!= old_count
)
939 /* firmware is dead */
940 if (count
== old_count
)
943 /* check if we have got newer or different file firmware */
946 val
= qlcnic_get_fw_version(adapter
);
948 version
= QLCNIC_DECODE_VERSION(val
);
950 major
= QLCRD32(adapter
, QLCNIC_FW_VERSION_MAJOR
);
951 minor
= QLCRD32(adapter
, QLCNIC_FW_VERSION_MINOR
);
952 build
= QLCRD32(adapter
, QLCNIC_FW_VERSION_SUB
);
954 if (version
> QLCNIC_VERSION_CODE(major
, minor
, build
))
961 static const char *fw_name
[] = {
962 QLCNIC_UNIFIED_ROMIMAGE_NAME
,
963 QLCNIC_FLASH_ROMIMAGE_NAME
,
967 qlcnic_load_firmware(struct qlcnic_adapter
*adapter
)
970 u32 i
, flashaddr
, size
;
971 const struct firmware
*fw
= adapter
->fw
;
972 struct pci_dev
*pdev
= adapter
->pdev
;
974 dev_info(&pdev
->dev
, "loading firmware from %s\n",
975 fw_name
[adapter
->fw_type
]);
980 size
= (QLCNIC_IMAGE_START
- QLCNIC_BOOTLD_START
) / 8;
982 ptr64
= (u64
*)qlcnic_get_bootld_offs(adapter
);
983 flashaddr
= QLCNIC_BOOTLD_START
;
985 for (i
= 0; i
< size
; i
++) {
986 data
= cpu_to_le64(ptr64
[i
]);
988 if (qlcnic_pci_mem_write_2M(adapter
, flashaddr
, data
))
994 size
= (__force u32
)qlcnic_get_fw_size(adapter
) / 8;
996 ptr64
= (u64
*)qlcnic_get_fw_offs(adapter
);
997 flashaddr
= QLCNIC_IMAGE_START
;
999 for (i
= 0; i
< size
; i
++) {
1000 data
= cpu_to_le64(ptr64
[i
]);
1002 if (qlcnic_pci_mem_write_2M(adapter
,
1009 size
= (__force u32
)qlcnic_get_fw_size(adapter
) % 8;
1011 data
= cpu_to_le64(ptr64
[i
]);
1013 if (qlcnic_pci_mem_write_2M(adapter
,
1022 size
= (QLCNIC_IMAGE_START
- QLCNIC_BOOTLD_START
) / 8;
1023 flashaddr
= QLCNIC_BOOTLD_START
;
1025 for (i
= 0; i
< size
; i
++) {
1026 if (qlcnic_rom_fast_read(adapter
,
1027 flashaddr
, (int *)&lo
) != 0)
1029 if (qlcnic_rom_fast_read(adapter
,
1030 flashaddr
+ 4, (int *)&hi
) != 0)
1033 data
= (((u64
)hi
<< 32) | lo
);
1035 if (qlcnic_pci_mem_write_2M(adapter
,
1044 QLCWR32(adapter
, QLCNIC_CRB_PEG_NET_0
+ 0x18, 0x1020);
1045 QLCWR32(adapter
, QLCNIC_ROMUSB_GLB_SW_RESET
, 0x80001e);
1050 qlcnic_validate_firmware(struct qlcnic_adapter
*adapter
)
1053 u32 ver
, bios
, min_size
;
1054 struct pci_dev
*pdev
= adapter
->pdev
;
1055 const struct firmware
*fw
= adapter
->fw
;
1056 u8 fw_type
= adapter
->fw_type
;
1058 if (fw_type
== QLCNIC_UNIFIED_ROMIMAGE
) {
1059 if (qlcnic_validate_unified_romimage(adapter
))
1062 min_size
= QLCNIC_UNI_FW_MIN_SIZE
;
1064 val
= cpu_to_le32(*(u32
*)&fw
->data
[QLCNIC_FW_MAGIC_OFFSET
]);
1065 if ((__force u32
)val
!= QLCNIC_BDINFO_MAGIC
)
1068 min_size
= QLCNIC_FW_MIN_SIZE
;
1071 if (fw
->size
< min_size
)
1074 val
= qlcnic_get_fw_version(adapter
);
1075 ver
= QLCNIC_DECODE_VERSION(val
);
1077 if (ver
< QLCNIC_MIN_FW_VERSION
) {
1079 "%s: firmware version %d.%d.%d unsupported\n",
1080 fw_name
[fw_type
], _major(ver
), _minor(ver
), _build(ver
));
1084 val
= qlcnic_get_bios_version(adapter
);
1085 qlcnic_rom_fast_read(adapter
, QLCNIC_BIOS_VERSION_OFFSET
, (int *)&bios
);
1086 if ((__force u32
)val
!= bios
) {
1087 dev_err(&pdev
->dev
, "%s: firmware bios is incompatible\n",
1092 /* check if flashed firmware is newer */
1093 if (qlcnic_rom_fast_read(adapter
,
1094 QLCNIC_FW_VERSION_OFFSET
, (int *)&val
))
1097 val
= QLCNIC_DECODE_VERSION(val
);
1099 dev_info(&pdev
->dev
, "%s: firmware is older than flash\n",
1104 QLCWR32(adapter
, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC
);
1109 qlcnic_get_next_fwtype(struct qlcnic_adapter
*adapter
)
1113 switch (adapter
->fw_type
) {
1114 case QLCNIC_UNKNOWN_ROMIMAGE
:
1115 fw_type
= QLCNIC_UNIFIED_ROMIMAGE
;
1118 case QLCNIC_UNIFIED_ROMIMAGE
:
1120 fw_type
= QLCNIC_FLASH_ROMIMAGE
;
1124 adapter
->fw_type
= fw_type
;
1129 void qlcnic_request_firmware(struct qlcnic_adapter
*adapter
)
1131 struct pci_dev
*pdev
= adapter
->pdev
;
1134 adapter
->fw_type
= QLCNIC_UNKNOWN_ROMIMAGE
;
1137 qlcnic_get_next_fwtype(adapter
);
1139 if (adapter
->fw_type
== QLCNIC_FLASH_ROMIMAGE
) {
1142 rc
= request_firmware(&adapter
->fw
,
1143 fw_name
[adapter
->fw_type
], &pdev
->dev
);
1147 rc
= qlcnic_validate_firmware(adapter
);
1149 release_firmware(adapter
->fw
);
1158 qlcnic_release_firmware(struct qlcnic_adapter
*adapter
)
1161 release_firmware(adapter
->fw
);
1165 static int qlcnic_cmd_peg_ready(struct qlcnic_adapter
*adapter
)
1171 val
= QLCRD32(adapter
, CRB_CMDPEG_STATE
);
1174 case PHAN_INITIALIZE_COMPLETE
:
1175 case PHAN_INITIALIZE_ACK
:
1177 case PHAN_INITIALIZE_FAILED
:
1185 } while (--retries
);
1187 QLCWR32(adapter
, CRB_CMDPEG_STATE
, PHAN_INITIALIZE_FAILED
);
1190 dev_err(&adapter
->pdev
->dev
, "Command Peg initialization not "
1191 "complete, state: 0x%x.\n", val
);
1196 qlcnic_receive_peg_ready(struct qlcnic_adapter
*adapter
)
1202 val
= QLCRD32(adapter
, CRB_RCVPEG_STATE
);
1204 if (val
== PHAN_PEG_RCV_INITIALIZED
)
1209 } while (--retries
);
1212 dev_err(&adapter
->pdev
->dev
, "Receive Peg initialization not "
1213 "complete, state: 0x%x.\n", val
);
1220 int qlcnic_init_firmware(struct qlcnic_adapter
*adapter
)
1224 err
= qlcnic_cmd_peg_ready(adapter
);
1228 err
= qlcnic_receive_peg_ready(adapter
);
1232 QLCWR32(adapter
, CRB_CMDPEG_STATE
, PHAN_INITIALIZE_ACK
);
1238 qlcnic_handle_linkevent(struct qlcnic_adapter
*adapter
,
1239 struct qlcnic_fw_msg
*msg
)
1244 u8 link_status
, module
, duplex
, autoneg
;
1245 struct net_device
*netdev
= adapter
->netdev
;
1247 adapter
->has_link_events
= 1;
1249 cable_OUI
= msg
->body
[1] & 0xffffffff;
1250 cable_len
= (msg
->body
[1] >> 32) & 0xffff;
1251 link_speed
= (msg
->body
[1] >> 48) & 0xffff;
1253 link_status
= msg
->body
[2] & 0xff;
1254 duplex
= (msg
->body
[2] >> 16) & 0xff;
1255 autoneg
= (msg
->body
[2] >> 24) & 0xff;
1257 module
= (msg
->body
[2] >> 8) & 0xff;
1258 if (module
== LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE
)
1259 dev_info(&netdev
->dev
, "unsupported cable: OUI 0x%x, "
1260 "length %d\n", cable_OUI
, cable_len
);
1261 else if (module
== LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN
)
1262 dev_info(&netdev
->dev
, "unsupported cable length %d\n",
1265 qlcnic_advert_link_change(adapter
, link_status
);
1267 if (duplex
== LINKEVENT_FULL_DUPLEX
)
1268 adapter
->link_duplex
= DUPLEX_FULL
;
1270 adapter
->link_duplex
= DUPLEX_HALF
;
1272 adapter
->module_type
= module
;
1273 adapter
->link_autoneg
= autoneg
;
1274 adapter
->link_speed
= link_speed
;
1278 qlcnic_handle_fw_message(int desc_cnt
, int index
,
1279 struct qlcnic_host_sds_ring
*sds_ring
)
1281 struct qlcnic_fw_msg msg
;
1282 struct status_desc
*desc
;
1285 while (desc_cnt
> 0 && i
< 8) {
1286 desc
= &sds_ring
->desc_head
[index
];
1287 msg
.words
[i
++] = le64_to_cpu(desc
->status_desc_data
[0]);
1288 msg
.words
[i
++] = le64_to_cpu(desc
->status_desc_data
[1]);
1290 index
= get_next_index(index
, sds_ring
->num_desc
);
1294 opcode
= qlcnic_get_nic_msg_opcode(msg
.body
[0]);
1296 case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE
:
1297 qlcnic_handle_linkevent(sds_ring
->adapter
, &msg
);
1305 qlcnic_alloc_rx_skb(struct qlcnic_adapter
*adapter
,
1306 struct qlcnic_host_rds_ring
*rds_ring
,
1307 struct qlcnic_rx_buffer
*buffer
)
1309 struct sk_buff
*skb
;
1311 struct pci_dev
*pdev
= adapter
->pdev
;
1313 skb
= dev_alloc_skb(rds_ring
->skb_size
);
1315 adapter
->stats
.skb_alloc_failure
++;
1319 skb_reserve(skb
, 2);
1321 dma
= pci_map_single(pdev
, skb
->data
,
1322 rds_ring
->dma_size
, PCI_DMA_FROMDEVICE
);
1324 if (pci_dma_mapping_error(pdev
, dma
)) {
1325 adapter
->stats
.rx_dma_map_error
++;
1326 dev_kfree_skb_any(skb
);
1336 static struct sk_buff
*qlcnic_process_rxbuf(struct qlcnic_adapter
*adapter
,
1337 struct qlcnic_host_rds_ring
*rds_ring
, u16 index
, u16 cksum
)
1339 struct qlcnic_rx_buffer
*buffer
;
1340 struct sk_buff
*skb
;
1342 buffer
= &rds_ring
->rx_buf_arr
[index
];
1344 if (unlikely(buffer
->skb
== NULL
)) {
1349 pci_unmap_single(adapter
->pdev
, buffer
->dma
, rds_ring
->dma_size
,
1350 PCI_DMA_FROMDEVICE
);
1354 if (likely(adapter
->rx_csum
&& cksum
== STATUS_CKSUM_OK
)) {
1355 adapter
->stats
.csummed
++;
1356 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1358 skb
->ip_summed
= CHECKSUM_NONE
;
1361 skb
->dev
= adapter
->netdev
;
1368 static struct qlcnic_rx_buffer
*
1369 qlcnic_process_rcv(struct qlcnic_adapter
*adapter
,
1370 struct qlcnic_host_sds_ring
*sds_ring
,
1371 int ring
, u64 sts_data0
)
1373 struct net_device
*netdev
= adapter
->netdev
;
1374 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
1375 struct qlcnic_rx_buffer
*buffer
;
1376 struct sk_buff
*skb
;
1377 struct qlcnic_host_rds_ring
*rds_ring
;
1378 int index
, length
, cksum
, pkt_offset
;
1380 if (unlikely(ring
>= adapter
->max_rds_rings
))
1383 rds_ring
= &recv_ctx
->rds_rings
[ring
];
1385 index
= qlcnic_get_sts_refhandle(sts_data0
);
1386 if (unlikely(index
>= rds_ring
->num_desc
))
1389 buffer
= &rds_ring
->rx_buf_arr
[index
];
1391 length
= qlcnic_get_sts_totallength(sts_data0
);
1392 cksum
= qlcnic_get_sts_status(sts_data0
);
1393 pkt_offset
= qlcnic_get_sts_pkt_offset(sts_data0
);
1395 skb
= qlcnic_process_rxbuf(adapter
, rds_ring
, index
, cksum
);
1399 if (length
> rds_ring
->skb_size
)
1400 skb_put(skb
, rds_ring
->skb_size
);
1402 skb_put(skb
, length
);
1405 skb_pull(skb
, pkt_offset
);
1407 skb
->truesize
= skb
->len
+ sizeof(struct sk_buff
);
1408 skb
->protocol
= eth_type_trans(skb
, netdev
);
1410 napi_gro_receive(&sds_ring
->napi
, skb
);
1412 adapter
->stats
.rx_pkts
++;
1413 adapter
->stats
.rxbytes
+= length
;
1418 #define QLC_TCP_HDR_SIZE 20
1419 #define QLC_TCP_TS_OPTION_SIZE 12
1420 #define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE)
1422 static struct qlcnic_rx_buffer
*
1423 qlcnic_process_lro(struct qlcnic_adapter
*adapter
,
1424 struct qlcnic_host_sds_ring
*sds_ring
,
1425 int ring
, u64 sts_data0
, u64 sts_data1
)
1427 struct net_device
*netdev
= adapter
->netdev
;
1428 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
1429 struct qlcnic_rx_buffer
*buffer
;
1430 struct sk_buff
*skb
;
1431 struct qlcnic_host_rds_ring
*rds_ring
;
1434 bool push
, timestamp
;
1435 int l2_hdr_offset
, l4_hdr_offset
;
1437 u16 lro_length
, length
, data_offset
;
1440 if (unlikely(ring
> adapter
->max_rds_rings
))
1443 rds_ring
= &recv_ctx
->rds_rings
[ring
];
1445 index
= qlcnic_get_lro_sts_refhandle(sts_data0
);
1446 if (unlikely(index
> rds_ring
->num_desc
))
1449 buffer
= &rds_ring
->rx_buf_arr
[index
];
1451 timestamp
= qlcnic_get_lro_sts_timestamp(sts_data0
);
1452 lro_length
= qlcnic_get_lro_sts_length(sts_data0
);
1453 l2_hdr_offset
= qlcnic_get_lro_sts_l2_hdr_offset(sts_data0
);
1454 l4_hdr_offset
= qlcnic_get_lro_sts_l4_hdr_offset(sts_data0
);
1455 push
= qlcnic_get_lro_sts_push_flag(sts_data0
);
1456 seq_number
= qlcnic_get_lro_sts_seq_number(sts_data1
);
1458 skb
= qlcnic_process_rxbuf(adapter
, rds_ring
, index
, STATUS_CKSUM_OK
);
1463 data_offset
= l4_hdr_offset
+ QLC_TCP_TS_HDR_SIZE
;
1465 data_offset
= l4_hdr_offset
+ QLC_TCP_HDR_SIZE
;
1467 skb_put(skb
, lro_length
+ data_offset
);
1469 skb
->truesize
= skb
->len
+ sizeof(struct sk_buff
) + skb_headroom(skb
);
1471 skb_pull(skb
, l2_hdr_offset
);
1472 skb
->protocol
= eth_type_trans(skb
, netdev
);
1474 iph
= (struct iphdr
*)skb
->data
;
1475 th
= (struct tcphdr
*)(skb
->data
+ (iph
->ihl
<< 2));
1477 length
= (iph
->ihl
<< 2) + (th
->doff
<< 2) + lro_length
;
1478 iph
->tot_len
= htons(length
);
1480 iph
->check
= ip_fast_csum((unsigned char *)iph
, iph
->ihl
);
1482 th
->seq
= htonl(seq_number
);
1486 netif_receive_skb(skb
);
1488 adapter
->stats
.lro_pkts
++;
1489 adapter
->stats
.lrobytes
+= length
;
1495 qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring
*sds_ring
, int max
)
1497 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1498 struct list_head
*cur
;
1499 struct status_desc
*desc
;
1500 struct qlcnic_rx_buffer
*rxbuf
;
1501 u64 sts_data0
, sts_data1
;
1504 int opcode
, ring
, desc_cnt
;
1505 u32 consumer
= sds_ring
->consumer
;
1507 while (count
< max
) {
1508 desc
= &sds_ring
->desc_head
[consumer
];
1509 sts_data0
= le64_to_cpu(desc
->status_desc_data
[0]);
1511 if (!(sts_data0
& STATUS_OWNER_HOST
))
1514 desc_cnt
= qlcnic_get_sts_desc_cnt(sts_data0
);
1515 opcode
= qlcnic_get_sts_opcode(sts_data0
);
1518 case QLCNIC_RXPKT_DESC
:
1519 case QLCNIC_OLD_RXPKT_DESC
:
1520 case QLCNIC_SYN_OFFLOAD
:
1521 ring
= qlcnic_get_sts_type(sts_data0
);
1522 rxbuf
= qlcnic_process_rcv(adapter
, sds_ring
,
1525 case QLCNIC_LRO_DESC
:
1526 ring
= qlcnic_get_lro_sts_type(sts_data0
);
1527 sts_data1
= le64_to_cpu(desc
->status_desc_data
[1]);
1528 rxbuf
= qlcnic_process_lro(adapter
, sds_ring
,
1529 ring
, sts_data0
, sts_data1
);
1531 case QLCNIC_RESPONSE_DESC
:
1532 qlcnic_handle_fw_message(desc_cnt
, consumer
, sds_ring
);
1537 WARN_ON(desc_cnt
> 1);
1540 list_add_tail(&rxbuf
->list
, &sds_ring
->free_list
[ring
]);
1542 adapter
->stats
.null_rxbuf
++;
1545 for (; desc_cnt
> 0; desc_cnt
--) {
1546 desc
= &sds_ring
->desc_head
[consumer
];
1547 desc
->status_desc_data
[0] =
1548 cpu_to_le64(STATUS_OWNER_PHANTOM
);
1549 consumer
= get_next_index(consumer
, sds_ring
->num_desc
);
1554 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
1555 struct qlcnic_host_rds_ring
*rds_ring
=
1556 &adapter
->recv_ctx
.rds_rings
[ring
];
1558 if (!list_empty(&sds_ring
->free_list
[ring
])) {
1559 list_for_each(cur
, &sds_ring
->free_list
[ring
]) {
1560 rxbuf
= list_entry(cur
,
1561 struct qlcnic_rx_buffer
, list
);
1562 qlcnic_alloc_rx_skb(adapter
, rds_ring
, rxbuf
);
1564 spin_lock(&rds_ring
->lock
);
1565 list_splice_tail_init(&sds_ring
->free_list
[ring
],
1566 &rds_ring
->free_list
);
1567 spin_unlock(&rds_ring
->lock
);
1570 qlcnic_post_rx_buffers_nodb(adapter
, rds_ring
);
1574 sds_ring
->consumer
= consumer
;
1575 writel(consumer
, sds_ring
->crb_sts_consumer
);
1582 qlcnic_post_rx_buffers(struct qlcnic_adapter
*adapter
, u32 ringid
,
1583 struct qlcnic_host_rds_ring
*rds_ring
)
1585 struct rcv_desc
*pdesc
;
1586 struct qlcnic_rx_buffer
*buffer
;
1587 int producer
, count
= 0;
1588 struct list_head
*head
;
1590 spin_lock(&rds_ring
->lock
);
1592 producer
= rds_ring
->producer
;
1594 head
= &rds_ring
->free_list
;
1595 while (!list_empty(head
)) {
1597 buffer
= list_entry(head
->next
, struct qlcnic_rx_buffer
, list
);
1600 if (qlcnic_alloc_rx_skb(adapter
, rds_ring
, buffer
))
1605 list_del(&buffer
->list
);
1607 /* make a rcv descriptor */
1608 pdesc
= &rds_ring
->desc_head
[producer
];
1609 pdesc
->addr_buffer
= cpu_to_le64(buffer
->dma
);
1610 pdesc
->reference_handle
= cpu_to_le16(buffer
->ref_handle
);
1611 pdesc
->buffer_length
= cpu_to_le32(rds_ring
->dma_size
);
1613 producer
= get_next_index(producer
, rds_ring
->num_desc
);
1617 rds_ring
->producer
= producer
;
1618 writel((producer
-1) & (rds_ring
->num_desc
-1),
1619 rds_ring
->crb_rcv_producer
);
1621 spin_unlock(&rds_ring
->lock
);
1625 qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter
*adapter
,
1626 struct qlcnic_host_rds_ring
*rds_ring
)
1628 struct rcv_desc
*pdesc
;
1629 struct qlcnic_rx_buffer
*buffer
;
1630 int producer
, count
= 0;
1631 struct list_head
*head
;
1633 if (!spin_trylock(&rds_ring
->lock
))
1636 producer
= rds_ring
->producer
;
1638 head
= &rds_ring
->free_list
;
1639 while (!list_empty(head
)) {
1641 buffer
= list_entry(head
->next
, struct qlcnic_rx_buffer
, list
);
1644 if (qlcnic_alloc_rx_skb(adapter
, rds_ring
, buffer
))
1649 list_del(&buffer
->list
);
1651 /* make a rcv descriptor */
1652 pdesc
= &rds_ring
->desc_head
[producer
];
1653 pdesc
->reference_handle
= cpu_to_le16(buffer
->ref_handle
);
1654 pdesc
->buffer_length
= cpu_to_le32(rds_ring
->dma_size
);
1655 pdesc
->addr_buffer
= cpu_to_le64(buffer
->dma
);
1657 producer
= get_next_index(producer
, rds_ring
->num_desc
);
1661 rds_ring
->producer
= producer
;
1662 writel((producer
- 1) & (rds_ring
->num_desc
- 1),
1663 rds_ring
->crb_rcv_producer
);
1665 spin_unlock(&rds_ring
->lock
);
1668 static struct qlcnic_rx_buffer
*
1669 qlcnic_process_rcv_diag(struct qlcnic_adapter
*adapter
,
1670 struct qlcnic_host_sds_ring
*sds_ring
,
1671 int ring
, u64 sts_data0
)
1673 struct qlcnic_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
1674 struct qlcnic_rx_buffer
*buffer
;
1675 struct sk_buff
*skb
;
1676 struct qlcnic_host_rds_ring
*rds_ring
;
1677 int index
, length
, cksum
, pkt_offset
;
1679 if (unlikely(ring
>= adapter
->max_rds_rings
))
1682 rds_ring
= &recv_ctx
->rds_rings
[ring
];
1684 index
= qlcnic_get_sts_refhandle(sts_data0
);
1685 if (unlikely(index
>= rds_ring
->num_desc
))
1688 buffer
= &rds_ring
->rx_buf_arr
[index
];
1690 length
= qlcnic_get_sts_totallength(sts_data0
);
1691 cksum
= qlcnic_get_sts_status(sts_data0
);
1692 pkt_offset
= qlcnic_get_sts_pkt_offset(sts_data0
);
1694 skb
= qlcnic_process_rxbuf(adapter
, rds_ring
, index
, cksum
);
1698 skb_put(skb
, rds_ring
->skb_size
);
1701 skb_pull(skb
, pkt_offset
);
1703 skb
->truesize
= skb
->len
+ sizeof(struct sk_buff
);
1705 if (!qlcnic_check_loopback_buff(skb
->data
))
1706 adapter
->diag_cnt
++;
1708 dev_kfree_skb_any(skb
);
1709 adapter
->stats
.rx_pkts
++;
1710 adapter
->stats
.rxbytes
+= length
;
1716 qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring
*sds_ring
)
1718 struct qlcnic_adapter
*adapter
= sds_ring
->adapter
;
1719 struct status_desc
*desc
;
1720 struct qlcnic_rx_buffer
*rxbuf
;
1723 int opcode
, ring
, desc_cnt
;
1724 u32 consumer
= sds_ring
->consumer
;
1726 desc
= &sds_ring
->desc_head
[consumer
];
1727 sts_data0
= le64_to_cpu(desc
->status_desc_data
[0]);
1729 if (!(sts_data0
& STATUS_OWNER_HOST
))
1732 desc_cnt
= qlcnic_get_sts_desc_cnt(sts_data0
);
1733 opcode
= qlcnic_get_sts_opcode(sts_data0
);
1735 ring
= qlcnic_get_sts_type(sts_data0
);
1736 rxbuf
= qlcnic_process_rcv_diag(adapter
, sds_ring
,
1739 desc
->status_desc_data
[0] = cpu_to_le64(STATUS_OWNER_PHANTOM
);
1740 consumer
= get_next_index(consumer
, sds_ring
->num_desc
);
1742 sds_ring
->consumer
= consumer
;
1743 writel(consumer
, sds_ring
->crb_sts_consumer
);
1747 qlcnic_fetch_mac(struct qlcnic_adapter
*adapter
, u32 off1
, u32 off2
,
1748 u8 alt_mac
, u8
*mac
)
1750 u32 mac_low
, mac_high
;
1753 mac_low
= QLCRD32(adapter
, off1
);
1754 mac_high
= QLCRD32(adapter
, off2
);
1757 mac_low
|= (mac_low
>> 16) | (mac_high
<< 16);
1761 for (i
= 0; i
< 2; i
++)
1762 mac
[i
] = (u8
)(mac_high
>> ((1 - i
) * 8));
1763 for (i
= 2; i
< 6; i
++)
1764 mac
[i
] = (u8
)(mac_low
>> ((5 - i
) * 8));