2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/netdevice.h>
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/if_vlan.h>
14 struct crb_addr_pair {
19 #define QLCNIC_MAX_CRB_XFORM 60
20 static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM];
22 #define crb_addr_transform(name) \
23 (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \
24 QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20)
26 #define QLCNIC_ADDR_ERROR (0xffffffff)
29 qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter,
30 struct qlcnic_host_rds_ring *rds_ring);
33 qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter);
35 static void crb_addr_transform_setup(void)
37 crb_addr_transform(XDMA);
38 crb_addr_transform(TIMR);
39 crb_addr_transform(SRE);
40 crb_addr_transform(SQN3);
41 crb_addr_transform(SQN2);
42 crb_addr_transform(SQN1);
43 crb_addr_transform(SQN0);
44 crb_addr_transform(SQS3);
45 crb_addr_transform(SQS2);
46 crb_addr_transform(SQS1);
47 crb_addr_transform(SQS0);
48 crb_addr_transform(RPMX7);
49 crb_addr_transform(RPMX6);
50 crb_addr_transform(RPMX5);
51 crb_addr_transform(RPMX4);
52 crb_addr_transform(RPMX3);
53 crb_addr_transform(RPMX2);
54 crb_addr_transform(RPMX1);
55 crb_addr_transform(RPMX0);
56 crb_addr_transform(ROMUSB);
57 crb_addr_transform(SN);
58 crb_addr_transform(QMN);
59 crb_addr_transform(QMS);
60 crb_addr_transform(PGNI);
61 crb_addr_transform(PGND);
62 crb_addr_transform(PGN3);
63 crb_addr_transform(PGN2);
64 crb_addr_transform(PGN1);
65 crb_addr_transform(PGN0);
66 crb_addr_transform(PGSI);
67 crb_addr_transform(PGSD);
68 crb_addr_transform(PGS3);
69 crb_addr_transform(PGS2);
70 crb_addr_transform(PGS1);
71 crb_addr_transform(PGS0);
72 crb_addr_transform(PS);
73 crb_addr_transform(PH);
74 crb_addr_transform(NIU);
75 crb_addr_transform(I2Q);
76 crb_addr_transform(EG);
77 crb_addr_transform(MN);
78 crb_addr_transform(MS);
79 crb_addr_transform(CAS2);
80 crb_addr_transform(CAS1);
81 crb_addr_transform(CAS0);
82 crb_addr_transform(CAM);
83 crb_addr_transform(C2C1);
84 crb_addr_transform(C2C0);
85 crb_addr_transform(SMB);
86 crb_addr_transform(OCM0);
87 crb_addr_transform(I2C0);
90 void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter)
92 struct qlcnic_recv_context *recv_ctx;
93 struct qlcnic_host_rds_ring *rds_ring;
94 struct qlcnic_rx_buffer *rx_buf;
97 recv_ctx = adapter->recv_ctx;
98 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
99 rds_ring = &recv_ctx->rds_rings[ring];
100 for (i = 0; i < rds_ring->num_desc; ++i) {
101 rx_buf = &(rds_ring->rx_buf_arr[i]);
102 if (rx_buf->skb == NULL)
105 pci_unmap_single(adapter->pdev,
110 dev_kfree_skb_any(rx_buf->skb);
115 void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter)
117 struct qlcnic_recv_context *recv_ctx;
118 struct qlcnic_host_rds_ring *rds_ring;
119 struct qlcnic_rx_buffer *rx_buf;
122 recv_ctx = adapter->recv_ctx;
123 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
124 rds_ring = &recv_ctx->rds_rings[ring];
126 INIT_LIST_HEAD(&rds_ring->free_list);
128 rx_buf = rds_ring->rx_buf_arr;
129 for (i = 0; i < rds_ring->num_desc; i++) {
130 list_add_tail(&rx_buf->list,
131 &rds_ring->free_list);
137 void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter)
139 struct qlcnic_cmd_buffer *cmd_buf;
140 struct qlcnic_skb_frag *buffrag;
142 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
144 cmd_buf = tx_ring->cmd_buf_arr;
145 for (i = 0; i < tx_ring->num_desc; i++) {
146 buffrag = cmd_buf->frag_array;
148 pci_unmap_single(adapter->pdev, buffrag->dma,
149 buffrag->length, PCI_DMA_TODEVICE);
152 for (j = 0; j < cmd_buf->frag_count; j++) {
155 pci_unmap_page(adapter->pdev, buffrag->dma,
162 dev_kfree_skb_any(cmd_buf->skb);
169 void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter)
171 struct qlcnic_recv_context *recv_ctx;
172 struct qlcnic_host_rds_ring *rds_ring;
173 struct qlcnic_host_tx_ring *tx_ring;
176 recv_ctx = adapter->recv_ctx;
178 if (recv_ctx->rds_rings == NULL)
181 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
182 rds_ring = &recv_ctx->rds_rings[ring];
183 vfree(rds_ring->rx_buf_arr);
184 rds_ring->rx_buf_arr = NULL;
186 kfree(recv_ctx->rds_rings);
189 if (adapter->tx_ring == NULL)
192 tx_ring = adapter->tx_ring;
193 vfree(tx_ring->cmd_buf_arr);
194 tx_ring->cmd_buf_arr = NULL;
195 kfree(adapter->tx_ring);
196 adapter->tx_ring = NULL;
199 int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
201 struct qlcnic_recv_context *recv_ctx;
202 struct qlcnic_host_rds_ring *rds_ring;
203 struct qlcnic_host_sds_ring *sds_ring;
204 struct qlcnic_host_tx_ring *tx_ring;
205 struct qlcnic_rx_buffer *rx_buf;
208 struct qlcnic_cmd_buffer *cmd_buf_arr;
209 struct net_device *netdev = adapter->netdev;
211 size = sizeof(struct qlcnic_host_tx_ring);
212 tx_ring = kzalloc(size, GFP_KERNEL);
213 if (tx_ring == NULL) {
214 dev_err(&netdev->dev, "failed to allocate tx ring struct\n");
217 adapter->tx_ring = tx_ring;
219 tx_ring->num_desc = adapter->num_txd;
220 tx_ring->txq = netdev_get_tx_queue(netdev, 0);
222 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
223 if (cmd_buf_arr == NULL) {
224 dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n");
227 tx_ring->cmd_buf_arr = cmd_buf_arr;
229 recv_ctx = adapter->recv_ctx;
231 size = adapter->max_rds_rings * sizeof(struct qlcnic_host_rds_ring);
232 rds_ring = kzalloc(size, GFP_KERNEL);
233 if (rds_ring == NULL) {
234 dev_err(&netdev->dev, "failed to allocate rds ring struct\n");
237 recv_ctx->rds_rings = rds_ring;
239 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
240 rds_ring = &recv_ctx->rds_rings[ring];
242 case RCV_RING_NORMAL:
243 rds_ring->num_desc = adapter->num_rxd;
244 rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN;
245 rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN;
249 rds_ring->num_desc = adapter->num_jumbo_rxd;
251 QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN;
253 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
254 rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA;
257 rds_ring->dma_size + NET_IP_ALIGN;
260 rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
261 if (rds_ring->rx_buf_arr == NULL) {
262 dev_err(&netdev->dev, "Failed to allocate "
263 "rx buffer ring %d\n", ring);
266 INIT_LIST_HEAD(&rds_ring->free_list);
268 * Now go through all of them, set reference handles
269 * and put them in the queues.
271 rx_buf = rds_ring->rx_buf_arr;
272 for (i = 0; i < rds_ring->num_desc; i++) {
273 list_add_tail(&rx_buf->list,
274 &rds_ring->free_list);
275 rx_buf->ref_handle = i;
278 spin_lock_init(&rds_ring->lock);
281 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
282 sds_ring = &recv_ctx->sds_rings[ring];
283 sds_ring->irq = adapter->msix_entries[ring].vector;
284 sds_ring->adapter = adapter;
285 sds_ring->num_desc = adapter->num_rxd;
287 for (i = 0; i < NUM_RCV_DESC_RINGS; i++)
288 INIT_LIST_HEAD(&sds_ring->free_list[i]);
294 qlcnic_free_sw_resources(adapter);
299 * Utility to translate from internal Phantom CRB address
300 * to external PCI CRB address.
302 static u32 qlcnic_decode_crb_addr(u32 addr)
305 u32 base_addr, offset, pci_base;
307 crb_addr_transform_setup();
309 pci_base = QLCNIC_ADDR_ERROR;
310 base_addr = addr & 0xfff00000;
311 offset = addr & 0x000fffff;
313 for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) {
314 if (crb_addr_xform[i] == base_addr) {
319 if (pci_base == QLCNIC_ADDR_ERROR)
322 return pci_base + offset;
325 #define QLCNIC_MAX_ROM_WAIT_USEC 100
327 static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter)
335 done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS);
337 if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) {
338 dev_err(&adapter->pdev->dev,
339 "Timeout reached waiting for rom done");
347 static int do_rom_fast_read(struct qlcnic_adapter *adapter,
350 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr);
351 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
352 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3);
353 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb);
354 if (qlcnic_wait_rom_done(adapter)) {
355 dev_err(&adapter->pdev->dev, "Error waiting for rom done\n");
358 /* reset abyte_cnt and dummy_byte_cnt */
359 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0);
361 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
363 *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA);
367 static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
368 u8 *bytes, size_t size)
373 for (addridx = addr; addridx < (addr + size); addridx += 4) {
375 ret = do_rom_fast_read(adapter, addridx, &v);
378 *(__le32 *)bytes = cpu_to_le32(v);
386 qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
387 u8 *bytes, size_t size)
391 ret = qlcnic_rom_lock(adapter);
395 ret = do_rom_fast_read_words(adapter, addr, bytes, size);
397 qlcnic_rom_unlock(adapter);
401 int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp)
405 if (qlcnic_rom_lock(adapter) != 0)
408 ret = do_rom_fast_read(adapter, addr, valp);
409 qlcnic_rom_unlock(adapter);
413 int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
416 int i, n, init_delay;
417 struct crb_addr_pair *buf;
420 struct pci_dev *pdev = adapter->pdev;
422 QLCWR32(adapter, CRB_CMDPEG_STATE, 0);
423 QLCWR32(adapter, CRB_RCVPEG_STATE, 0);
425 qlcnic_rom_lock(adapter);
426 QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff);
427 qlcnic_rom_unlock(adapter);
429 /* Init HW CRB block */
430 if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) ||
431 qlcnic_rom_fast_read(adapter, 4, &n) != 0) {
432 dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n);
435 offset = n & 0xffffU;
436 n = (n >> 16) & 0xffffU;
439 dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n");
443 buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
445 dev_err(&pdev->dev, "Unable to calloc memory for rom read.\n");
449 for (i = 0; i < n; i++) {
450 if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
451 qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
460 for (i = 0; i < n; i++) {
462 off = qlcnic_decode_crb_addr(buf[i].addr);
463 if (off == QLCNIC_ADDR_ERROR) {
464 dev_err(&pdev->dev, "CRB init value out of range %x\n",
468 off += QLCNIC_PCI_CRBSPACE;
473 /* skipping cold reboot MAGIC */
474 if (off == QLCNIC_CAM_RAM(0x1fc))
476 if (off == (QLCNIC_CRB_I2C0 + 0x1c))
478 if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */
480 if (off == (ROMUSB_GLB + 0xa8))
482 if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
484 if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
486 if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
488 if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET)
490 /* skip the function enable register */
491 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION))
493 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2))
495 if ((off & 0x0ff00000) == QLCNIC_CRB_SMB)
499 /* After writing this register, HW needs time for CRB */
500 /* to quiet down (else crb_window returns 0xffffffff) */
501 if (off == QLCNIC_ROMUSB_GLB_SW_RESET)
504 QLCWR32(adapter, off, buf[i].data);
510 /* Initialize protocol process engine */
511 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e);
512 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8);
513 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8);
514 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0);
515 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0);
516 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0);
517 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0);
518 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0);
519 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0);
520 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0);
521 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0);
522 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0);
523 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0);
525 QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
526 QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
530 static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter)
533 int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT;
536 val = QLCRD32(adapter, CRB_CMDPEG_STATE);
539 case PHAN_INITIALIZE_COMPLETE:
540 case PHAN_INITIALIZE_ACK:
542 case PHAN_INITIALIZE_FAILED:
548 msleep(QLCNIC_CMDPEG_CHECK_DELAY);
552 QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
555 dev_err(&adapter->pdev->dev, "Command Peg initialization not "
556 "complete, state: 0x%x.\n", val);
561 qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter)
564 int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT;
567 val = QLCRD32(adapter, CRB_RCVPEG_STATE);
569 if (val == PHAN_PEG_RCV_INITIALIZED)
572 msleep(QLCNIC_RCVPEG_CHECK_DELAY);
577 dev_err(&adapter->pdev->dev, "Receive Peg initialization not "
578 "complete, state: 0x%x.\n", val);
586 qlcnic_check_fw_status(struct qlcnic_adapter *adapter)
590 err = qlcnic_cmd_peg_ready(adapter);
594 err = qlcnic_receive_peg_ready(adapter);
598 QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
604 qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
609 val = QLCRD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO);
610 val = QLC_DEV_GET_DRV(val, adapter->portnum);
611 if ((val & 0x3) != QLCNIC_TYPE_NIC) {
612 dev_err(&adapter->pdev->dev,
613 "Not an Ethernet NIC func=%u\n", val);
616 adapter->physical_port = (val >> 2);
617 if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo))
618 timeo = QLCNIC_INIT_TIMEOUT_SECS;
620 adapter->dev_init_timeo = timeo;
622 if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo))
623 timeo = QLCNIC_RESET_TIMEOUT_SECS;
625 adapter->reset_ack_timeo = timeo;
630 static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region,
631 struct qlcnic_flt_entry *region_entry)
633 struct qlcnic_flt_header flt_hdr;
634 struct qlcnic_flt_entry *flt_entry;
638 memset(region_entry, 0, sizeof(struct qlcnic_flt_entry));
639 ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION,
641 sizeof(struct qlcnic_flt_header));
643 dev_warn(&adapter->pdev->dev,
644 "error reading flash layout header\n");
648 entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header);
649 flt_entry = (struct qlcnic_flt_entry *)vzalloc(entry_size);
650 if (flt_entry == NULL) {
651 dev_warn(&adapter->pdev->dev, "error allocating memory\n");
655 ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION +
656 sizeof(struct qlcnic_flt_header),
657 (u8 *)flt_entry, entry_size);
659 dev_warn(&adapter->pdev->dev,
660 "error reading flash layout entries\n");
664 while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) {
665 if (flt_entry[i].region == region)
669 if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) {
670 dev_warn(&adapter->pdev->dev,
671 "region=%x not found in %d regions\n", region, i);
675 memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry));
683 qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter)
685 struct qlcnic_flt_entry fw_entry;
686 u32 ver = -1, min_ver;
689 ret = qlcnic_get_flt_entry(adapter, QLCNIC_FW_IMAGE_REGION, &fw_entry);
691 /* 0-4:-signature, 4-8:-fw version */
692 qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4,
695 qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET,
698 ver = QLCNIC_DECODE_VERSION(ver);
699 min_ver = QLCNIC_MIN_FW_VERSION;
702 dev_err(&adapter->pdev->dev,
703 "firmware version %d.%d.%d unsupported."
704 "Min supported version %d.%d.%d\n",
705 _major(ver), _minor(ver), _build(ver),
706 _major(min_ver), _minor(min_ver), _build(min_ver));
714 qlcnic_has_mn(struct qlcnic_adapter *adapter)
719 capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY);
720 if (capability & QLCNIC_PEG_TUNE_MN_PRESENT)
727 struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section)
730 struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
731 __le32 entries = cpu_to_le32(directory->num_entries);
733 for (i = 0; i < entries; i++) {
735 __le32 offs = cpu_to_le32(directory->findex) +
736 (i * cpu_to_le32(directory->entry_size));
737 __le32 tab_type = cpu_to_le32(*((u32 *)&unirom[offs] + 8));
739 if (tab_type == section)
740 return (struct uni_table_desc *) &unirom[offs];
746 #define FILEHEADER_SIZE (14 * 4)
749 qlcnic_validate_header(struct qlcnic_adapter *adapter)
751 const u8 *unirom = adapter->fw->data;
752 struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
753 __le32 fw_file_size = adapter->fw->size;
758 if (fw_file_size < FILEHEADER_SIZE)
761 entries = cpu_to_le32(directory->num_entries);
762 entry_size = cpu_to_le32(directory->entry_size);
763 tab_size = cpu_to_le32(directory->findex) + (entries * entry_size);
765 if (fw_file_size < tab_size)
772 qlcnic_validate_bootld(struct qlcnic_adapter *adapter)
774 struct uni_table_desc *tab_desc;
775 struct uni_data_desc *descr;
776 const u8 *unirom = adapter->fw->data;
777 int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
778 QLCNIC_UNI_BOOTLD_IDX_OFF));
783 tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD);
788 tab_size = cpu_to_le32(tab_desc->findex) +
789 (cpu_to_le32(tab_desc->entry_size) * (idx + 1));
791 if (adapter->fw->size < tab_size)
794 offs = cpu_to_le32(tab_desc->findex) +
795 (cpu_to_le32(tab_desc->entry_size) * (idx));
796 descr = (struct uni_data_desc *)&unirom[offs];
798 data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size);
800 if (adapter->fw->size < data_size)
807 qlcnic_validate_fw(struct qlcnic_adapter *adapter)
809 struct uni_table_desc *tab_desc;
810 struct uni_data_desc *descr;
811 const u8 *unirom = adapter->fw->data;
812 int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
813 QLCNIC_UNI_FIRMWARE_IDX_OFF));
818 tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW);
823 tab_size = cpu_to_le32(tab_desc->findex) +
824 (cpu_to_le32(tab_desc->entry_size) * (idx + 1));
826 if (adapter->fw->size < tab_size)
829 offs = cpu_to_le32(tab_desc->findex) +
830 (cpu_to_le32(tab_desc->entry_size) * (idx));
831 descr = (struct uni_data_desc *)&unirom[offs];
832 data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size);
834 if (adapter->fw->size < data_size)
841 qlcnic_validate_product_offs(struct qlcnic_adapter *adapter)
843 struct uni_table_desc *ptab_descr;
844 const u8 *unirom = adapter->fw->data;
845 int mn_present = qlcnic_has_mn(adapter);
851 ptab_descr = qlcnic_get_table_desc(unirom,
852 QLCNIC_UNI_DIR_SECT_PRODUCT_TBL);
856 entries = cpu_to_le32(ptab_descr->num_entries);
857 entry_size = cpu_to_le32(ptab_descr->entry_size);
858 tab_size = cpu_to_le32(ptab_descr->findex) + (entries * entry_size);
860 if (adapter->fw->size < tab_size)
864 for (i = 0; i < entries; i++) {
866 __le32 flags, file_chiprev, offs;
867 u8 chiprev = adapter->ahw->revision_id;
870 offs = cpu_to_le32(ptab_descr->findex) +
871 (i * cpu_to_le32(ptab_descr->entry_size));
872 flags = cpu_to_le32(*((int *)&unirom[offs] +
873 QLCNIC_UNI_FLAGS_OFF));
874 file_chiprev = cpu_to_le32(*((int *)&unirom[offs] +
875 QLCNIC_UNI_CHIP_REV_OFF));
877 flagbit = mn_present ? 1 : 2;
879 if ((chiprev == file_chiprev) &&
880 ((1ULL << flagbit) & flags)) {
881 adapter->file_prd_off = offs;
893 qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter)
895 if (qlcnic_validate_header(adapter)) {
896 dev_err(&adapter->pdev->dev,
897 "unified image: header validation failed\n");
901 if (qlcnic_validate_product_offs(adapter)) {
902 dev_err(&adapter->pdev->dev,
903 "unified image: product validation failed\n");
907 if (qlcnic_validate_bootld(adapter)) {
908 dev_err(&adapter->pdev->dev,
909 "unified image: bootld validation failed\n");
913 if (qlcnic_validate_fw(adapter)) {
914 dev_err(&adapter->pdev->dev,
915 "unified image: firmware validation failed\n");
923 struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter,
924 u32 section, u32 idx_offset)
926 const u8 *unirom = adapter->fw->data;
927 int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
929 struct uni_table_desc *tab_desc;
932 tab_desc = qlcnic_get_table_desc(unirom, section);
934 if (tab_desc == NULL)
937 offs = cpu_to_le32(tab_desc->findex) +
938 (cpu_to_le32(tab_desc->entry_size) * idx);
940 return (struct uni_data_desc *)&unirom[offs];
944 qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter)
946 u32 offs = QLCNIC_BOOTLD_START;
948 if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
949 offs = cpu_to_le32((qlcnic_get_data_desc(adapter,
950 QLCNIC_UNI_DIR_SECT_BOOTLD,
951 QLCNIC_UNI_BOOTLD_IDX_OFF))->findex);
953 return (u8 *)&adapter->fw->data[offs];
957 qlcnic_get_fw_offs(struct qlcnic_adapter *adapter)
959 u32 offs = QLCNIC_IMAGE_START;
961 if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
962 offs = cpu_to_le32((qlcnic_get_data_desc(adapter,
963 QLCNIC_UNI_DIR_SECT_FW,
964 QLCNIC_UNI_FIRMWARE_IDX_OFF))->findex);
966 return (u8 *)&adapter->fw->data[offs];
970 qlcnic_get_fw_size(struct qlcnic_adapter *adapter)
972 if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
973 return cpu_to_le32((qlcnic_get_data_desc(adapter,
974 QLCNIC_UNI_DIR_SECT_FW,
975 QLCNIC_UNI_FIRMWARE_IDX_OFF))->size);
978 *(u32 *)&adapter->fw->data[QLCNIC_FW_SIZE_OFFSET]);
982 qlcnic_get_fw_version(struct qlcnic_adapter *adapter)
984 struct uni_data_desc *fw_data_desc;
985 const struct firmware *fw = adapter->fw;
986 __le32 major, minor, sub;
990 if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE)
991 return cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET]);
993 fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
994 QLCNIC_UNI_FIRMWARE_IDX_OFF);
995 ver_str = fw->data + cpu_to_le32(fw_data_desc->findex) +
996 cpu_to_le32(fw_data_desc->size) - 17;
998 for (i = 0; i < 12; i++) {
999 if (!strncmp(&ver_str[i], "REV=", 4)) {
1000 ret = sscanf(&ver_str[i+4], "%u.%u.%u ",
1001 &major, &minor, &sub);
1005 return major + (minor << 8) + (sub << 16);
1013 qlcnic_get_bios_version(struct qlcnic_adapter *adapter)
1015 const struct firmware *fw = adapter->fw;
1016 __le32 bios_ver, prd_off = adapter->file_prd_off;
1018 if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE)
1020 *(u32 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET]);
1022 bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off])
1023 + QLCNIC_UNI_BIOS_VERSION_OFF));
1025 return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24);
1028 static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter)
1030 if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID))
1031 dev_info(&adapter->pdev->dev, "Resetting rom_lock\n");
1033 qlcnic_pcie_sem_unlock(adapter, 2);
1037 qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter)
1039 u32 heartbeat, ret = -EIO;
1040 int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT;
1042 adapter->heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
1045 msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS);
1046 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
1047 if (heartbeat != adapter->heartbeat) {
1048 ret = QLCNIC_RCODE_SUCCESS;
1051 } while (--retries);
1057 qlcnic_need_fw_reset(struct qlcnic_adapter *adapter)
1059 if (qlcnic_check_fw_hearbeat(adapter)) {
1060 qlcnic_rom_lock_recovery(adapter);
1064 if (adapter->need_fw_reset)
1073 static const char *fw_name[] = {
1074 QLCNIC_UNIFIED_ROMIMAGE_NAME,
1075 QLCNIC_FLASH_ROMIMAGE_NAME,
1079 qlcnic_load_firmware(struct qlcnic_adapter *adapter)
1082 u32 i, flashaddr, size;
1083 const struct firmware *fw = adapter->fw;
1084 struct pci_dev *pdev = adapter->pdev;
1086 dev_info(&pdev->dev, "loading firmware from %s\n",
1087 fw_name[adapter->fw_type]);
1092 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1094 ptr64 = (u64 *)qlcnic_get_bootld_offs(adapter);
1095 flashaddr = QLCNIC_BOOTLD_START;
1097 for (i = 0; i < size; i++) {
1098 data = cpu_to_le64(ptr64[i]);
1100 if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data))
1106 size = (__force u32)qlcnic_get_fw_size(adapter) / 8;
1108 ptr64 = (u64 *)qlcnic_get_fw_offs(adapter);
1109 flashaddr = QLCNIC_IMAGE_START;
1111 for (i = 0; i < size; i++) {
1112 data = cpu_to_le64(ptr64[i]);
1114 if (qlcnic_pci_mem_write_2M(adapter,
1121 size = (__force u32)qlcnic_get_fw_size(adapter) % 8;
1123 data = cpu_to_le64(ptr64[i]);
1125 if (qlcnic_pci_mem_write_2M(adapter,
1134 struct qlcnic_flt_entry bootld_entry;
1136 ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION,
1139 size = bootld_entry.size / 8;
1140 flashaddr = bootld_entry.start_addr;
1142 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1143 flashaddr = QLCNIC_BOOTLD_START;
1144 dev_info(&pdev->dev,
1145 "using legacy method to get flash fw region");
1148 for (i = 0; i < size; i++) {
1149 if (qlcnic_rom_fast_read(adapter,
1150 flashaddr, (int *)&lo) != 0)
1152 if (qlcnic_rom_fast_read(adapter,
1153 flashaddr + 4, (int *)&hi) != 0)
1156 data = (((u64)hi << 32) | lo);
1158 if (qlcnic_pci_mem_write_2M(adapter,
1167 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020);
1168 QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e);
1173 qlcnic_validate_firmware(struct qlcnic_adapter *adapter)
1176 u32 ver, bios, min_size;
1177 struct pci_dev *pdev = adapter->pdev;
1178 const struct firmware *fw = adapter->fw;
1179 u8 fw_type = adapter->fw_type;
1181 if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) {
1182 if (qlcnic_validate_unified_romimage(adapter))
1185 min_size = QLCNIC_UNI_FW_MIN_SIZE;
1187 val = cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]);
1188 if ((__force u32)val != QLCNIC_BDINFO_MAGIC)
1191 min_size = QLCNIC_FW_MIN_SIZE;
1194 if (fw->size < min_size)
1197 val = qlcnic_get_fw_version(adapter);
1198 ver = QLCNIC_DECODE_VERSION(val);
1200 if (ver < QLCNIC_MIN_FW_VERSION) {
1202 "%s: firmware version %d.%d.%d unsupported\n",
1203 fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
1207 val = qlcnic_get_bios_version(adapter);
1208 qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios);
1209 if ((__force u32)val != bios) {
1210 dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
1215 QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC);
1220 qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter)
1224 switch (adapter->fw_type) {
1225 case QLCNIC_UNKNOWN_ROMIMAGE:
1226 fw_type = QLCNIC_UNIFIED_ROMIMAGE;
1229 case QLCNIC_UNIFIED_ROMIMAGE:
1231 fw_type = QLCNIC_FLASH_ROMIMAGE;
1235 adapter->fw_type = fw_type;
1240 void qlcnic_request_firmware(struct qlcnic_adapter *adapter)
1242 struct pci_dev *pdev = adapter->pdev;
1245 adapter->fw_type = QLCNIC_UNKNOWN_ROMIMAGE;
1248 qlcnic_get_next_fwtype(adapter);
1250 if (adapter->fw_type == QLCNIC_FLASH_ROMIMAGE) {
1253 rc = request_firmware(&adapter->fw,
1254 fw_name[adapter->fw_type], &pdev->dev);
1258 rc = qlcnic_validate_firmware(adapter);
1260 release_firmware(adapter->fw);
1269 qlcnic_release_firmware(struct qlcnic_adapter *adapter)
1272 release_firmware(adapter->fw);
1277 qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
1278 struct qlcnic_fw_msg *msg)
1283 u8 link_status, module, duplex, autoneg;
1285 struct net_device *netdev = adapter->netdev;
1287 adapter->has_link_events = 1;
1289 cable_OUI = msg->body[1] & 0xffffffff;
1290 cable_len = (msg->body[1] >> 32) & 0xffff;
1291 link_speed = (msg->body[1] >> 48) & 0xffff;
1293 link_status = msg->body[2] & 0xff;
1294 duplex = (msg->body[2] >> 16) & 0xff;
1295 autoneg = (msg->body[2] >> 24) & 0xff;
1296 lb_status = (msg->body[2] >> 32) & 0x3;
1298 module = (msg->body[2] >> 8) & 0xff;
1299 if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE)
1300 dev_info(&netdev->dev, "unsupported cable: OUI 0x%x, "
1301 "length %d\n", cable_OUI, cable_len);
1302 else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN)
1303 dev_info(&netdev->dev, "unsupported cable length %d\n",
1306 if (!link_status && (lb_status == 1))
1307 adapter->ahw->loopback_state |= QLCNIC_LINKEVENT;
1309 qlcnic_advert_link_change(adapter, link_status);
1311 if (duplex == LINKEVENT_FULL_DUPLEX)
1312 adapter->link_duplex = DUPLEX_FULL;
1314 adapter->link_duplex = DUPLEX_HALF;
1316 adapter->module_type = module;
1317 adapter->link_autoneg = autoneg;
1318 adapter->link_speed = link_speed;
1322 qlcnic_handle_fw_message(int desc_cnt, int index,
1323 struct qlcnic_host_sds_ring *sds_ring)
1325 struct qlcnic_fw_msg msg;
1326 struct status_desc *desc;
1327 struct qlcnic_adapter *adapter;
1329 int i = 0, opcode, ret;
1331 while (desc_cnt > 0 && i < 8) {
1332 desc = &sds_ring->desc_head[index];
1333 msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]);
1334 msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]);
1336 index = get_next_index(index, sds_ring->num_desc);
1340 adapter = sds_ring->adapter;
1341 dev = &adapter->pdev->dev;
1342 opcode = qlcnic_get_nic_msg_opcode(msg.body[0]);
1345 case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
1346 qlcnic_handle_linkevent(adapter, &msg);
1348 case QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK:
1349 ret = (u32)(msg.body[1]);
1352 adapter->ahw->loopback_state |= QLCNIC_LB_RESPONSE;
1355 dev_info(dev, "loopback already in progress\n");
1358 dev_info(dev, "loopback configure request failed,"
1369 qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter,
1370 struct qlcnic_host_rds_ring *rds_ring,
1371 struct qlcnic_rx_buffer *buffer)
1373 struct sk_buff *skb;
1375 struct pci_dev *pdev = adapter->pdev;
1377 skb = dev_alloc_skb(rds_ring->skb_size);
1379 adapter->stats.skb_alloc_failure++;
1383 skb_reserve(skb, NET_IP_ALIGN);
1385 dma = pci_map_single(pdev, skb->data,
1386 rds_ring->dma_size, PCI_DMA_FROMDEVICE);
1388 if (pci_dma_mapping_error(pdev, dma)) {
1389 adapter->stats.rx_dma_map_error++;
1390 dev_kfree_skb_any(skb);
1400 static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter,
1401 struct qlcnic_host_rds_ring *rds_ring, u16 index, u16 cksum)
1403 struct qlcnic_rx_buffer *buffer;
1404 struct sk_buff *skb;
1406 buffer = &rds_ring->rx_buf_arr[index];
1408 if (unlikely(buffer->skb == NULL)) {
1413 pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size,
1414 PCI_DMA_FROMDEVICE);
1418 if (likely((adapter->netdev->features & NETIF_F_RXCSUM) &&
1419 (cksum == STATUS_CKSUM_OK || cksum == STATUS_CKSUM_LOOP))) {
1420 adapter->stats.csummed++;
1421 skb->ip_summed = CHECKSUM_UNNECESSARY;
1423 skb_checksum_none_assert(skb);
1426 skb->dev = adapter->netdev;
1434 qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter, struct sk_buff *skb,
1437 struct ethhdr *eth_hdr;
1439 if (!__vlan_get_tag(skb, vlan_tag)) {
1440 eth_hdr = (struct ethhdr *) skb->data;
1441 memmove(skb->data + VLAN_HLEN, eth_hdr, ETH_ALEN * 2);
1442 skb_pull(skb, VLAN_HLEN);
1447 if (*vlan_tag == adapter->pvid) {
1448 /* Outer vlan tag. Packet should follow non-vlan path */
1452 if (adapter->flags & QLCNIC_TAGGING_ENABLED)
1458 static struct qlcnic_rx_buffer *
1459 qlcnic_process_rcv(struct qlcnic_adapter *adapter,
1460 struct qlcnic_host_sds_ring *sds_ring,
1461 int ring, u64 sts_data0)
1463 struct net_device *netdev = adapter->netdev;
1464 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1465 struct qlcnic_rx_buffer *buffer;
1466 struct sk_buff *skb;
1467 struct qlcnic_host_rds_ring *rds_ring;
1468 int index, length, cksum, pkt_offset;
1471 if (unlikely(ring >= adapter->max_rds_rings))
1474 rds_ring = &recv_ctx->rds_rings[ring];
1476 index = qlcnic_get_sts_refhandle(sts_data0);
1477 if (unlikely(index >= rds_ring->num_desc))
1480 buffer = &rds_ring->rx_buf_arr[index];
1482 length = qlcnic_get_sts_totallength(sts_data0);
1483 cksum = qlcnic_get_sts_status(sts_data0);
1484 pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
1486 skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
1490 if (length > rds_ring->skb_size)
1491 skb_put(skb, rds_ring->skb_size);
1493 skb_put(skb, length);
1496 skb_pull(skb, pkt_offset);
1498 if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) {
1499 adapter->stats.rxdropped++;
1504 skb->protocol = eth_type_trans(skb, netdev);
1507 __vlan_hwaccel_put_tag(skb, vid);
1509 napi_gro_receive(&sds_ring->napi, skb);
1511 adapter->stats.rx_pkts++;
1512 adapter->stats.rxbytes += length;
1517 #define QLC_TCP_HDR_SIZE 20
1518 #define QLC_TCP_TS_OPTION_SIZE 12
1519 #define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE)
1521 static struct qlcnic_rx_buffer *
1522 qlcnic_process_lro(struct qlcnic_adapter *adapter,
1523 struct qlcnic_host_sds_ring *sds_ring,
1524 int ring, u64 sts_data0, u64 sts_data1)
1526 struct net_device *netdev = adapter->netdev;
1527 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1528 struct qlcnic_rx_buffer *buffer;
1529 struct sk_buff *skb;
1530 struct qlcnic_host_rds_ring *rds_ring;
1533 bool push, timestamp;
1534 int l2_hdr_offset, l4_hdr_offset;
1536 u16 lro_length, length, data_offset;
1540 if (unlikely(ring > adapter->max_rds_rings))
1543 rds_ring = &recv_ctx->rds_rings[ring];
1545 index = qlcnic_get_lro_sts_refhandle(sts_data0);
1546 if (unlikely(index > rds_ring->num_desc))
1549 buffer = &rds_ring->rx_buf_arr[index];
1551 timestamp = qlcnic_get_lro_sts_timestamp(sts_data0);
1552 lro_length = qlcnic_get_lro_sts_length(sts_data0);
1553 l2_hdr_offset = qlcnic_get_lro_sts_l2_hdr_offset(sts_data0);
1554 l4_hdr_offset = qlcnic_get_lro_sts_l4_hdr_offset(sts_data0);
1555 push = qlcnic_get_lro_sts_push_flag(sts_data0);
1556 seq_number = qlcnic_get_lro_sts_seq_number(sts_data1);
1558 skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK);
1563 data_offset = l4_hdr_offset + QLC_TCP_TS_HDR_SIZE;
1565 data_offset = l4_hdr_offset + QLC_TCP_HDR_SIZE;
1567 skb_put(skb, lro_length + data_offset);
1569 skb_pull(skb, l2_hdr_offset);
1571 if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) {
1572 adapter->stats.rxdropped++;
1577 skb->protocol = eth_type_trans(skb, netdev);
1579 iph = (struct iphdr *)skb->data;
1580 th = (struct tcphdr *)(skb->data + (iph->ihl << 2));
1582 length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
1583 iph->tot_len = htons(length);
1585 iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
1587 th->seq = htonl(seq_number);
1592 __vlan_hwaccel_put_tag(skb, vid);
1593 netif_receive_skb(skb);
1595 adapter->stats.lro_pkts++;
1596 adapter->stats.lrobytes += length;
1602 qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max)
1604 struct qlcnic_adapter *adapter = sds_ring->adapter;
1605 struct list_head *cur;
1606 struct status_desc *desc;
1607 struct qlcnic_rx_buffer *rxbuf;
1608 u64 sts_data0, sts_data1;
1611 int opcode, ring, desc_cnt;
1612 u32 consumer = sds_ring->consumer;
1614 while (count < max) {
1615 desc = &sds_ring->desc_head[consumer];
1616 sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
1618 if (!(sts_data0 & STATUS_OWNER_HOST))
1621 desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
1622 opcode = qlcnic_get_sts_opcode(sts_data0);
1625 case QLCNIC_RXPKT_DESC:
1626 case QLCNIC_OLD_RXPKT_DESC:
1627 case QLCNIC_SYN_OFFLOAD:
1628 ring = qlcnic_get_sts_type(sts_data0);
1629 rxbuf = qlcnic_process_rcv(adapter, sds_ring,
1632 case QLCNIC_LRO_DESC:
1633 ring = qlcnic_get_lro_sts_type(sts_data0);
1634 sts_data1 = le64_to_cpu(desc->status_desc_data[1]);
1635 rxbuf = qlcnic_process_lro(adapter, sds_ring,
1636 ring, sts_data0, sts_data1);
1638 case QLCNIC_RESPONSE_DESC:
1639 qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring);
1644 WARN_ON(desc_cnt > 1);
1647 list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]);
1649 adapter->stats.null_rxbuf++;
1652 for (; desc_cnt > 0; desc_cnt--) {
1653 desc = &sds_ring->desc_head[consumer];
1654 desc->status_desc_data[0] =
1655 cpu_to_le64(STATUS_OWNER_PHANTOM);
1656 consumer = get_next_index(consumer, sds_ring->num_desc);
1661 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1662 struct qlcnic_host_rds_ring *rds_ring =
1663 &adapter->recv_ctx->rds_rings[ring];
1665 if (!list_empty(&sds_ring->free_list[ring])) {
1666 list_for_each(cur, &sds_ring->free_list[ring]) {
1667 rxbuf = list_entry(cur,
1668 struct qlcnic_rx_buffer, list);
1669 qlcnic_alloc_rx_skb(adapter, rds_ring, rxbuf);
1671 spin_lock(&rds_ring->lock);
1672 list_splice_tail_init(&sds_ring->free_list[ring],
1673 &rds_ring->free_list);
1674 spin_unlock(&rds_ring->lock);
1677 qlcnic_post_rx_buffers_nodb(adapter, rds_ring);
1681 sds_ring->consumer = consumer;
1682 writel(consumer, sds_ring->crb_sts_consumer);
1689 qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter,
1690 struct qlcnic_host_rds_ring *rds_ring)
1692 struct rcv_desc *pdesc;
1693 struct qlcnic_rx_buffer *buffer;
1696 struct list_head *head;
1698 producer = rds_ring->producer;
1700 head = &rds_ring->free_list;
1701 while (!list_empty(head)) {
1703 buffer = list_entry(head->next, struct qlcnic_rx_buffer, list);
1706 if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer))
1711 list_del(&buffer->list);
1713 /* make a rcv descriptor */
1714 pdesc = &rds_ring->desc_head[producer];
1715 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
1716 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
1717 pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
1719 producer = get_next_index(producer, rds_ring->num_desc);
1723 rds_ring->producer = producer;
1724 writel((producer-1) & (rds_ring->num_desc-1),
1725 rds_ring->crb_rcv_producer);
1730 qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter,
1731 struct qlcnic_host_rds_ring *rds_ring)
1733 struct rcv_desc *pdesc;
1734 struct qlcnic_rx_buffer *buffer;
1737 struct list_head *head;
1739 if (!spin_trylock(&rds_ring->lock))
1742 producer = rds_ring->producer;
1744 head = &rds_ring->free_list;
1745 while (!list_empty(head)) {
1747 buffer = list_entry(head->next, struct qlcnic_rx_buffer, list);
1750 if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer))
1755 list_del(&buffer->list);
1757 /* make a rcv descriptor */
1758 pdesc = &rds_ring->desc_head[producer];
1759 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
1760 pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
1761 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
1763 producer = get_next_index(producer, rds_ring->num_desc);
1767 rds_ring->producer = producer;
1768 writel((producer - 1) & (rds_ring->num_desc - 1),
1769 rds_ring->crb_rcv_producer);
1771 spin_unlock(&rds_ring->lock);
1774 static void dump_skb(struct sk_buff *skb)
1777 unsigned char *data = skb->data;
1779 printk(KERN_INFO "\n");
1780 for (i = 0; i < skb->len; i++) {
1781 printk(KERN_INFO "%02x ", data[i]);
1782 if ((i & 0x0f) == 8)
1783 printk(KERN_INFO "\n");
1787 void qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter,
1788 struct qlcnic_host_sds_ring *sds_ring,
1789 int ring, u64 sts_data0)
1791 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1792 struct sk_buff *skb;
1793 struct qlcnic_host_rds_ring *rds_ring;
1794 int index, length, cksum, pkt_offset;
1796 if (unlikely(ring >= adapter->max_rds_rings))
1799 rds_ring = &recv_ctx->rds_rings[ring];
1801 index = qlcnic_get_sts_refhandle(sts_data0);
1802 length = qlcnic_get_sts_totallength(sts_data0);
1803 if (unlikely(index >= rds_ring->num_desc))
1806 cksum = qlcnic_get_sts_status(sts_data0);
1807 pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
1809 skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
1813 if (length > rds_ring->skb_size)
1814 skb_put(skb, rds_ring->skb_size);
1816 skb_put(skb, length);
1819 skb_pull(skb, pkt_offset);
1821 if (!qlcnic_check_loopback_buff(skb->data, adapter->mac_addr))
1822 adapter->diag_cnt++;
1826 dev_kfree_skb_any(skb);
1827 adapter->stats.rx_pkts++;
1828 adapter->stats.rxbytes += length;
1834 qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring)
1836 struct qlcnic_adapter *adapter = sds_ring->adapter;
1837 struct status_desc *desc;
1839 int ring, opcode, desc_cnt;
1841 u32 consumer = sds_ring->consumer;
1843 desc = &sds_ring->desc_head[consumer];
1844 sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
1846 if (!(sts_data0 & STATUS_OWNER_HOST))
1849 desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
1850 opcode = qlcnic_get_sts_opcode(sts_data0);
1852 case QLCNIC_RESPONSE_DESC:
1853 qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring);
1856 ring = qlcnic_get_sts_type(sts_data0);
1857 qlcnic_process_rcv_diag(adapter, sds_ring, ring, sts_data0);
1861 for (; desc_cnt > 0; desc_cnt--) {
1862 desc = &sds_ring->desc_head[consumer];
1863 desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM);
1864 consumer = get_next_index(consumer, sds_ring->num_desc);
1867 sds_ring->consumer = consumer;
1868 writel(consumer, sds_ring->crb_sts_consumer);
1872 qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2,
1873 u8 alt_mac, u8 *mac)
1875 u32 mac_low, mac_high;
1878 mac_low = QLCRD32(adapter, off1);
1879 mac_high = QLCRD32(adapter, off2);
1882 mac_low |= (mac_low >> 16) | (mac_high << 16);
1886 for (i = 0; i < 2; i++)
1887 mac[i] = (u8)(mac_high >> ((1 - i) * 8));
1888 for (i = 2; i < 6; i++)
1889 mac[i] = (u8)(mac_low >> ((5 - i) * 8));