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_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;
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 u32 val, version, major, minor, build;
1020 if (qlcnic_check_fw_hearbeat(adapter)) {
1021 qlcnic_rom_lock_recovery(adapter);
1025 if (adapter->need_fw_reset)
1028 /* check if we have got newer or different file firmware */
1031 val = qlcnic_get_fw_version(adapter);
1033 version = QLCNIC_DECODE_VERSION(val);
1035 major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1036 minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
1037 build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
1039 if (version > QLCNIC_VERSION_CODE(major, minor, build))
1046 static const char *fw_name[] = {
1047 QLCNIC_UNIFIED_ROMIMAGE_NAME,
1048 QLCNIC_FLASH_ROMIMAGE_NAME,
1052 qlcnic_load_firmware(struct qlcnic_adapter *adapter)
1055 u32 i, flashaddr, size;
1056 const struct firmware *fw = adapter->fw;
1057 struct pci_dev *pdev = adapter->pdev;
1059 dev_info(&pdev->dev, "loading firmware from %s\n",
1060 fw_name[adapter->fw_type]);
1065 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1067 ptr64 = (u64 *)qlcnic_get_bootld_offs(adapter);
1068 flashaddr = QLCNIC_BOOTLD_START;
1070 for (i = 0; i < size; i++) {
1071 data = cpu_to_le64(ptr64[i]);
1073 if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data))
1079 size = (__force u32)qlcnic_get_fw_size(adapter) / 8;
1081 ptr64 = (u64 *)qlcnic_get_fw_offs(adapter);
1082 flashaddr = QLCNIC_IMAGE_START;
1084 for (i = 0; i < size; i++) {
1085 data = cpu_to_le64(ptr64[i]);
1087 if (qlcnic_pci_mem_write_2M(adapter,
1094 size = (__force u32)qlcnic_get_fw_size(adapter) % 8;
1096 data = cpu_to_le64(ptr64[i]);
1098 if (qlcnic_pci_mem_write_2M(adapter,
1107 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1108 flashaddr = QLCNIC_BOOTLD_START;
1110 for (i = 0; i < size; i++) {
1111 if (qlcnic_rom_fast_read(adapter,
1112 flashaddr, (int *)&lo) != 0)
1114 if (qlcnic_rom_fast_read(adapter,
1115 flashaddr + 4, (int *)&hi) != 0)
1118 data = (((u64)hi << 32) | lo);
1120 if (qlcnic_pci_mem_write_2M(adapter,
1129 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020);
1130 QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e);
1135 qlcnic_validate_firmware(struct qlcnic_adapter *adapter)
1138 u32 ver, bios, min_size;
1139 struct pci_dev *pdev = adapter->pdev;
1140 const struct firmware *fw = adapter->fw;
1141 u8 fw_type = adapter->fw_type;
1143 if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) {
1144 if (qlcnic_validate_unified_romimage(adapter))
1147 min_size = QLCNIC_UNI_FW_MIN_SIZE;
1149 val = cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]);
1150 if ((__force u32)val != QLCNIC_BDINFO_MAGIC)
1153 min_size = QLCNIC_FW_MIN_SIZE;
1156 if (fw->size < min_size)
1159 val = qlcnic_get_fw_version(adapter);
1160 ver = QLCNIC_DECODE_VERSION(val);
1162 if (ver < QLCNIC_MIN_FW_VERSION) {
1164 "%s: firmware version %d.%d.%d unsupported\n",
1165 fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
1169 val = qlcnic_get_bios_version(adapter);
1170 qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios);
1171 if ((__force u32)val != bios) {
1172 dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
1177 /* check if flashed firmware is newer */
1178 if (qlcnic_rom_fast_read(adapter,
1179 QLCNIC_FW_VERSION_OFFSET, (int *)&val))
1182 val = QLCNIC_DECODE_VERSION(val);
1184 dev_info(&pdev->dev, "%s: firmware is older than flash\n",
1189 QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC);
1194 qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter)
1198 switch (adapter->fw_type) {
1199 case QLCNIC_UNKNOWN_ROMIMAGE:
1200 fw_type = QLCNIC_UNIFIED_ROMIMAGE;
1203 case QLCNIC_UNIFIED_ROMIMAGE:
1205 fw_type = QLCNIC_FLASH_ROMIMAGE;
1209 adapter->fw_type = fw_type;
1214 void qlcnic_request_firmware(struct qlcnic_adapter *adapter)
1216 struct pci_dev *pdev = adapter->pdev;
1219 adapter->fw_type = QLCNIC_UNKNOWN_ROMIMAGE;
1222 qlcnic_get_next_fwtype(adapter);
1224 if (adapter->fw_type == QLCNIC_FLASH_ROMIMAGE) {
1227 rc = request_firmware(&adapter->fw,
1228 fw_name[adapter->fw_type], &pdev->dev);
1232 rc = qlcnic_validate_firmware(adapter);
1234 release_firmware(adapter->fw);
1243 qlcnic_release_firmware(struct qlcnic_adapter *adapter)
1246 release_firmware(adapter->fw);
1251 qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
1252 struct qlcnic_fw_msg *msg)
1257 u8 link_status, module, duplex, autoneg;
1258 struct net_device *netdev = adapter->netdev;
1260 adapter->has_link_events = 1;
1262 cable_OUI = msg->body[1] & 0xffffffff;
1263 cable_len = (msg->body[1] >> 32) & 0xffff;
1264 link_speed = (msg->body[1] >> 48) & 0xffff;
1266 link_status = msg->body[2] & 0xff;
1267 duplex = (msg->body[2] >> 16) & 0xff;
1268 autoneg = (msg->body[2] >> 24) & 0xff;
1270 module = (msg->body[2] >> 8) & 0xff;
1271 if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE)
1272 dev_info(&netdev->dev, "unsupported cable: OUI 0x%x, "
1273 "length %d\n", cable_OUI, cable_len);
1274 else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN)
1275 dev_info(&netdev->dev, "unsupported cable length %d\n",
1278 qlcnic_advert_link_change(adapter, link_status);
1280 if (duplex == LINKEVENT_FULL_DUPLEX)
1281 adapter->link_duplex = DUPLEX_FULL;
1283 adapter->link_duplex = DUPLEX_HALF;
1285 adapter->module_type = module;
1286 adapter->link_autoneg = autoneg;
1287 adapter->link_speed = link_speed;
1291 qlcnic_handle_fw_message(int desc_cnt, int index,
1292 struct qlcnic_host_sds_ring *sds_ring)
1294 struct qlcnic_fw_msg msg;
1295 struct status_desc *desc;
1298 while (desc_cnt > 0 && i < 8) {
1299 desc = &sds_ring->desc_head[index];
1300 msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]);
1301 msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]);
1303 index = get_next_index(index, sds_ring->num_desc);
1307 opcode = qlcnic_get_nic_msg_opcode(msg.body[0]);
1309 case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
1310 qlcnic_handle_linkevent(sds_ring->adapter, &msg);
1318 qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter,
1319 struct qlcnic_host_rds_ring *rds_ring,
1320 struct qlcnic_rx_buffer *buffer)
1322 struct sk_buff *skb;
1324 struct pci_dev *pdev = adapter->pdev;
1326 skb = dev_alloc_skb(rds_ring->skb_size);
1328 adapter->stats.skb_alloc_failure++;
1332 skb_reserve(skb, 2);
1334 dma = pci_map_single(pdev, skb->data,
1335 rds_ring->dma_size, PCI_DMA_FROMDEVICE);
1337 if (pci_dma_mapping_error(pdev, dma)) {
1338 adapter->stats.rx_dma_map_error++;
1339 dev_kfree_skb_any(skb);
1349 static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter,
1350 struct qlcnic_host_rds_ring *rds_ring, u16 index, u16 cksum)
1352 struct qlcnic_rx_buffer *buffer;
1353 struct sk_buff *skb;
1355 buffer = &rds_ring->rx_buf_arr[index];
1357 if (unlikely(buffer->skb == NULL)) {
1362 pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size,
1363 PCI_DMA_FROMDEVICE);
1367 if (likely(adapter->rx_csum && (cksum == STATUS_CKSUM_OK ||
1368 cksum == STATUS_CKSUM_LOOP))) {
1369 adapter->stats.csummed++;
1370 skb->ip_summed = CHECKSUM_UNNECESSARY;
1372 skb_checksum_none_assert(skb);
1375 skb->dev = adapter->netdev;
1383 qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter, struct sk_buff *skb)
1386 struct ethhdr *eth_hdr;
1388 if (!__vlan_get_tag(skb, &vlan_tag)) {
1389 if (vlan_tag == adapter->pvid) {
1390 /* strip the tag from the packet and send it up */
1391 eth_hdr = (struct ethhdr *) skb->data;
1392 memmove(skb->data + VLAN_HLEN, eth_hdr, ETH_ALEN * 2);
1393 skb_pull(skb, VLAN_HLEN);
1397 if (adapter->flags & QLCNIC_TAGGING_ENABLED)
1403 static struct qlcnic_rx_buffer *
1404 qlcnic_process_rcv(struct qlcnic_adapter *adapter,
1405 struct qlcnic_host_sds_ring *sds_ring,
1406 int ring, u64 sts_data0)
1408 struct net_device *netdev = adapter->netdev;
1409 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
1410 struct qlcnic_rx_buffer *buffer;
1411 struct sk_buff *skb;
1412 struct qlcnic_host_rds_ring *rds_ring;
1413 int index, length, cksum, pkt_offset;
1415 if (unlikely(ring >= adapter->max_rds_rings))
1418 rds_ring = &recv_ctx->rds_rings[ring];
1420 index = qlcnic_get_sts_refhandle(sts_data0);
1421 if (unlikely(index >= rds_ring->num_desc))
1424 buffer = &rds_ring->rx_buf_arr[index];
1426 length = qlcnic_get_sts_totallength(sts_data0);
1427 cksum = qlcnic_get_sts_status(sts_data0);
1428 pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
1430 skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
1434 if (length > rds_ring->skb_size)
1435 skb_put(skb, rds_ring->skb_size);
1437 skb_put(skb, length);
1440 skb_pull(skb, pkt_offset);
1442 skb->truesize = skb->len + sizeof(struct sk_buff);
1444 if (unlikely(adapter->pvid)) {
1445 if (qlcnic_check_rx_tagging(adapter, skb)) {
1446 adapter->stats.rxdropped++;
1447 dev_kfree_skb_any(skb);
1452 skb->protocol = eth_type_trans(skb, netdev);
1454 napi_gro_receive(&sds_ring->napi, skb);
1456 adapter->stats.rx_pkts++;
1457 adapter->stats.rxbytes += length;
1462 #define QLC_TCP_HDR_SIZE 20
1463 #define QLC_TCP_TS_OPTION_SIZE 12
1464 #define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE)
1466 static struct qlcnic_rx_buffer *
1467 qlcnic_process_lro(struct qlcnic_adapter *adapter,
1468 struct qlcnic_host_sds_ring *sds_ring,
1469 int ring, u64 sts_data0, u64 sts_data1)
1471 struct net_device *netdev = adapter->netdev;
1472 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
1473 struct qlcnic_rx_buffer *buffer;
1474 struct sk_buff *skb;
1475 struct qlcnic_host_rds_ring *rds_ring;
1478 bool push, timestamp;
1479 int l2_hdr_offset, l4_hdr_offset;
1481 u16 lro_length, length, data_offset;
1484 if (unlikely(ring > adapter->max_rds_rings))
1487 rds_ring = &recv_ctx->rds_rings[ring];
1489 index = qlcnic_get_lro_sts_refhandle(sts_data0);
1490 if (unlikely(index > rds_ring->num_desc))
1493 buffer = &rds_ring->rx_buf_arr[index];
1495 timestamp = qlcnic_get_lro_sts_timestamp(sts_data0);
1496 lro_length = qlcnic_get_lro_sts_length(sts_data0);
1497 l2_hdr_offset = qlcnic_get_lro_sts_l2_hdr_offset(sts_data0);
1498 l4_hdr_offset = qlcnic_get_lro_sts_l4_hdr_offset(sts_data0);
1499 push = qlcnic_get_lro_sts_push_flag(sts_data0);
1500 seq_number = qlcnic_get_lro_sts_seq_number(sts_data1);
1502 skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK);
1507 data_offset = l4_hdr_offset + QLC_TCP_TS_HDR_SIZE;
1509 data_offset = l4_hdr_offset + QLC_TCP_HDR_SIZE;
1511 skb_put(skb, lro_length + data_offset);
1513 skb->truesize = skb->len + sizeof(struct sk_buff) + skb_headroom(skb);
1515 skb_pull(skb, l2_hdr_offset);
1517 if (unlikely(adapter->pvid)) {
1518 if (qlcnic_check_rx_tagging(adapter, skb)) {
1519 adapter->stats.rxdropped++;
1520 dev_kfree_skb_any(skb);
1524 skb->protocol = eth_type_trans(skb, netdev);
1526 iph = (struct iphdr *)skb->data;
1527 th = (struct tcphdr *)(skb->data + (iph->ihl << 2));
1529 length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
1530 iph->tot_len = htons(length);
1532 iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
1534 th->seq = htonl(seq_number);
1538 netif_receive_skb(skb);
1540 adapter->stats.lro_pkts++;
1541 adapter->stats.lrobytes += length;
1547 qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max)
1549 struct qlcnic_adapter *adapter = sds_ring->adapter;
1550 struct list_head *cur;
1551 struct status_desc *desc;
1552 struct qlcnic_rx_buffer *rxbuf;
1553 u64 sts_data0, sts_data1;
1556 int opcode, ring, desc_cnt;
1557 u32 consumer = sds_ring->consumer;
1559 while (count < max) {
1560 desc = &sds_ring->desc_head[consumer];
1561 sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
1563 if (!(sts_data0 & STATUS_OWNER_HOST))
1566 desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
1567 opcode = qlcnic_get_sts_opcode(sts_data0);
1570 case QLCNIC_RXPKT_DESC:
1571 case QLCNIC_OLD_RXPKT_DESC:
1572 case QLCNIC_SYN_OFFLOAD:
1573 ring = qlcnic_get_sts_type(sts_data0);
1574 rxbuf = qlcnic_process_rcv(adapter, sds_ring,
1577 case QLCNIC_LRO_DESC:
1578 ring = qlcnic_get_lro_sts_type(sts_data0);
1579 sts_data1 = le64_to_cpu(desc->status_desc_data[1]);
1580 rxbuf = qlcnic_process_lro(adapter, sds_ring,
1581 ring, sts_data0, sts_data1);
1583 case QLCNIC_RESPONSE_DESC:
1584 qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring);
1589 WARN_ON(desc_cnt > 1);
1592 list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]);
1594 adapter->stats.null_rxbuf++;
1597 for (; desc_cnt > 0; desc_cnt--) {
1598 desc = &sds_ring->desc_head[consumer];
1599 desc->status_desc_data[0] =
1600 cpu_to_le64(STATUS_OWNER_PHANTOM);
1601 consumer = get_next_index(consumer, sds_ring->num_desc);
1606 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1607 struct qlcnic_host_rds_ring *rds_ring =
1608 &adapter->recv_ctx.rds_rings[ring];
1610 if (!list_empty(&sds_ring->free_list[ring])) {
1611 list_for_each(cur, &sds_ring->free_list[ring]) {
1612 rxbuf = list_entry(cur,
1613 struct qlcnic_rx_buffer, list);
1614 qlcnic_alloc_rx_skb(adapter, rds_ring, rxbuf);
1616 spin_lock(&rds_ring->lock);
1617 list_splice_tail_init(&sds_ring->free_list[ring],
1618 &rds_ring->free_list);
1619 spin_unlock(&rds_ring->lock);
1622 qlcnic_post_rx_buffers_nodb(adapter, rds_ring);
1626 sds_ring->consumer = consumer;
1627 writel(consumer, sds_ring->crb_sts_consumer);
1634 qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid,
1635 struct qlcnic_host_rds_ring *rds_ring)
1637 struct rcv_desc *pdesc;
1638 struct qlcnic_rx_buffer *buffer;
1639 int producer, count = 0;
1640 struct list_head *head;
1642 producer = rds_ring->producer;
1644 head = &rds_ring->free_list;
1645 while (!list_empty(head)) {
1647 buffer = list_entry(head->next, struct qlcnic_rx_buffer, list);
1650 if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer))
1655 list_del(&buffer->list);
1657 /* make a rcv descriptor */
1658 pdesc = &rds_ring->desc_head[producer];
1659 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
1660 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
1661 pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
1663 producer = get_next_index(producer, rds_ring->num_desc);
1667 rds_ring->producer = producer;
1668 writel((producer-1) & (rds_ring->num_desc-1),
1669 rds_ring->crb_rcv_producer);
1674 qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter,
1675 struct qlcnic_host_rds_ring *rds_ring)
1677 struct rcv_desc *pdesc;
1678 struct qlcnic_rx_buffer *buffer;
1679 int producer, count = 0;
1680 struct list_head *head;
1682 if (!spin_trylock(&rds_ring->lock))
1685 producer = rds_ring->producer;
1687 head = &rds_ring->free_list;
1688 while (!list_empty(head)) {
1690 buffer = list_entry(head->next, struct qlcnic_rx_buffer, list);
1693 if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer))
1698 list_del(&buffer->list);
1700 /* make a rcv descriptor */
1701 pdesc = &rds_ring->desc_head[producer];
1702 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
1703 pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
1704 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
1706 producer = get_next_index(producer, rds_ring->num_desc);
1710 rds_ring->producer = producer;
1711 writel((producer - 1) & (rds_ring->num_desc - 1),
1712 rds_ring->crb_rcv_producer);
1714 spin_unlock(&rds_ring->lock);
1717 static struct qlcnic_rx_buffer *
1718 qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter,
1719 struct qlcnic_host_sds_ring *sds_ring,
1720 int ring, u64 sts_data0)
1722 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
1723 struct qlcnic_rx_buffer *buffer;
1724 struct sk_buff *skb;
1725 struct qlcnic_host_rds_ring *rds_ring;
1726 int index, length, cksum, pkt_offset;
1728 if (unlikely(ring >= adapter->max_rds_rings))
1731 rds_ring = &recv_ctx->rds_rings[ring];
1733 index = qlcnic_get_sts_refhandle(sts_data0);
1734 if (unlikely(index >= rds_ring->num_desc))
1737 buffer = &rds_ring->rx_buf_arr[index];
1739 length = qlcnic_get_sts_totallength(sts_data0);
1740 cksum = qlcnic_get_sts_status(sts_data0);
1741 pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
1743 skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
1747 skb_put(skb, rds_ring->skb_size);
1750 skb_pull(skb, pkt_offset);
1752 skb->truesize = skb->len + sizeof(struct sk_buff);
1754 if (!qlcnic_check_loopback_buff(skb->data))
1755 adapter->diag_cnt++;
1757 dev_kfree_skb_any(skb);
1758 adapter->stats.rx_pkts++;
1759 adapter->stats.rxbytes += length;
1765 qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring)
1767 struct qlcnic_adapter *adapter = sds_ring->adapter;
1768 struct status_desc *desc;
1769 struct qlcnic_rx_buffer *rxbuf;
1772 int opcode, ring, desc_cnt;
1773 u32 consumer = sds_ring->consumer;
1775 desc = &sds_ring->desc_head[consumer];
1776 sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
1778 if (!(sts_data0 & STATUS_OWNER_HOST))
1781 desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
1782 opcode = qlcnic_get_sts_opcode(sts_data0);
1784 ring = qlcnic_get_sts_type(sts_data0);
1785 rxbuf = qlcnic_process_rcv_diag(adapter, sds_ring,
1788 desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM);
1789 consumer = get_next_index(consumer, sds_ring->num_desc);
1791 sds_ring->consumer = consumer;
1792 writel(consumer, sds_ring->crb_sts_consumer);
1796 qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2,
1797 u8 alt_mac, u8 *mac)
1799 u32 mac_low, mac_high;
1802 mac_low = QLCRD32(adapter, off1);
1803 mac_high = QLCRD32(adapter, off2);
1806 mac_low |= (mac_low >> 16) | (mac_high << 16);
1810 for (i = 0; i < 2; i++)
1811 mac[i] = (u8)(mac_high >> ((1 - i) * 8));
1812 for (i = 2; i < 6; i++)
1813 mac[i] = (u8)(mac_low >> ((5 - i) * 8));