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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-04-08 19:06:30 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-10 20:03:49 -0700
commitaa43c2158d5ae1dc76cccb08cd57a3ffd32c3825 (patch)
treecdb471f2b2440d551e634f9cbeacf1675daf3ba8 /drivers/net/qlcnic/qlcnic_init.c
parentdee1ad47f2ee75f5146d83ca757c1b7861c34c3b (diff)
qlogic: Move the QLogic drivers
Moves the QLogic drivers into drivers/net/ethernet/qlogic/ and the necessary Kconfig and Makefile changes. CC: Ron Mercer <ron.mercer@qlogic.com> CC: Amit Kumar Salecha <amit.salecha@qlogic.com> CC: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_init.c')
-rw-r--r--drivers/net/qlcnic/qlcnic_init.c1898
1 files changed, 0 insertions, 1898 deletions
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
deleted file mode 100644
index 3b6741e4754..00000000000
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ /dev/null
@@ -1,1898 +0,0 @@
-/*
- * QLogic qlcnic NIC Driver
- * Copyright (c) 2009-2010 QLogic Corporation
- *
- * See LICENSE.qlcnic for copyright and licensing details.
- */
-
-#include <linux/netdevice.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/if_vlan.h>
-#include "qlcnic.h"
-
-struct crb_addr_pair {
- u32 addr;
- u32 data;
-};
-
-#define QLCNIC_MAX_CRB_XFORM 60
-static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM];
-
-#define crb_addr_transform(name) \
- (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \
- QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20)
-
-#define QLCNIC_ADDR_ERROR (0xffffffff)
-
-static void
-qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter,
- struct qlcnic_host_rds_ring *rds_ring);
-
-static int
-qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter);
-
-static void crb_addr_transform_setup(void)
-{
- crb_addr_transform(XDMA);
- crb_addr_transform(TIMR);
- crb_addr_transform(SRE);
- crb_addr_transform(SQN3);
- crb_addr_transform(SQN2);
- crb_addr_transform(SQN1);
- crb_addr_transform(SQN0);
- crb_addr_transform(SQS3);
- crb_addr_transform(SQS2);
- crb_addr_transform(SQS1);
- crb_addr_transform(SQS0);
- crb_addr_transform(RPMX7);
- crb_addr_transform(RPMX6);
- crb_addr_transform(RPMX5);
- crb_addr_transform(RPMX4);
- crb_addr_transform(RPMX3);
- crb_addr_transform(RPMX2);
- crb_addr_transform(RPMX1);
- crb_addr_transform(RPMX0);
- crb_addr_transform(ROMUSB);
- crb_addr_transform(SN);
- crb_addr_transform(QMN);
- crb_addr_transform(QMS);
- crb_addr_transform(PGNI);
- crb_addr_transform(PGND);
- crb_addr_transform(PGN3);
- crb_addr_transform(PGN2);
- crb_addr_transform(PGN1);
- crb_addr_transform(PGN0);
- crb_addr_transform(PGSI);
- crb_addr_transform(PGSD);
- crb_addr_transform(PGS3);
- crb_addr_transform(PGS2);
- crb_addr_transform(PGS1);
- crb_addr_transform(PGS0);
- crb_addr_transform(PS);
- crb_addr_transform(PH);
- crb_addr_transform(NIU);
- crb_addr_transform(I2Q);
- crb_addr_transform(EG);
- crb_addr_transform(MN);
- crb_addr_transform(MS);
- crb_addr_transform(CAS2);
- crb_addr_transform(CAS1);
- crb_addr_transform(CAS0);
- crb_addr_transform(CAM);
- crb_addr_transform(C2C1);
- crb_addr_transform(C2C0);
- crb_addr_transform(SMB);
- crb_addr_transform(OCM0);
- crb_addr_transform(I2C0);
-}
-
-void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter)
-{
- struct qlcnic_recv_context *recv_ctx;
- struct qlcnic_host_rds_ring *rds_ring;
- struct qlcnic_rx_buffer *rx_buf;
- int i, ring;
-
- recv_ctx = adapter->recv_ctx;
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- rds_ring = &recv_ctx->rds_rings[ring];
- for (i = 0; i < rds_ring->num_desc; ++i) {
- rx_buf = &(rds_ring->rx_buf_arr[i]);
- if (rx_buf->skb == NULL)
- continue;
-
- pci_unmap_single(adapter->pdev,
- rx_buf->dma,
- rds_ring->dma_size,
- PCI_DMA_FROMDEVICE);
-
- dev_kfree_skb_any(rx_buf->skb);
- }
- }
-}
-
-void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter)
-{
- struct qlcnic_recv_context *recv_ctx;
- struct qlcnic_host_rds_ring *rds_ring;
- struct qlcnic_rx_buffer *rx_buf;
- int i, ring;
-
- recv_ctx = adapter->recv_ctx;
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- rds_ring = &recv_ctx->rds_rings[ring];
-
- INIT_LIST_HEAD(&rds_ring->free_list);
-
- rx_buf = rds_ring->rx_buf_arr;
- for (i = 0; i < rds_ring->num_desc; i++) {
- list_add_tail(&rx_buf->list,
- &rds_ring->free_list);
- rx_buf++;
- }
- }
-}
-
-void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter)
-{
- struct qlcnic_cmd_buffer *cmd_buf;
- struct qlcnic_skb_frag *buffrag;
- int i, j;
- struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
-
- cmd_buf = tx_ring->cmd_buf_arr;
- for (i = 0; i < tx_ring->num_desc; i++) {
- buffrag = cmd_buf->frag_array;
- if (buffrag->dma) {
- pci_unmap_single(adapter->pdev, buffrag->dma,
- buffrag->length, PCI_DMA_TODEVICE);
- buffrag->dma = 0ULL;
- }
- for (j = 0; j < cmd_buf->frag_count; j++) {
- buffrag++;
- if (buffrag->dma) {
- pci_unmap_page(adapter->pdev, buffrag->dma,
- buffrag->length,
- PCI_DMA_TODEVICE);
- buffrag->dma = 0ULL;
- }
- }
- if (cmd_buf->skb) {
- dev_kfree_skb_any(cmd_buf->skb);
- cmd_buf->skb = NULL;
- }
- cmd_buf++;
- }
-}
-
-void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter)
-{
- struct qlcnic_recv_context *recv_ctx;
- struct qlcnic_host_rds_ring *rds_ring;
- struct qlcnic_host_tx_ring *tx_ring;
- int ring;
-
- recv_ctx = adapter->recv_ctx;
-
- if (recv_ctx->rds_rings == NULL)
- goto skip_rds;
-
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- rds_ring = &recv_ctx->rds_rings[ring];
- vfree(rds_ring->rx_buf_arr);
- rds_ring->rx_buf_arr = NULL;
- }
- kfree(recv_ctx->rds_rings);
-
-skip_rds:
- if (adapter->tx_ring == NULL)
- return;
-
- tx_ring = adapter->tx_ring;
- vfree(tx_ring->cmd_buf_arr);
- tx_ring->cmd_buf_arr = NULL;
- kfree(adapter->tx_ring);
- adapter->tx_ring = NULL;
-}
-
-int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
-{
- struct qlcnic_recv_context *recv_ctx;
- struct qlcnic_host_rds_ring *rds_ring;
- struct qlcnic_host_sds_ring *sds_ring;
- struct qlcnic_host_tx_ring *tx_ring;
- struct qlcnic_rx_buffer *rx_buf;
- int ring, i, size;
-
- struct qlcnic_cmd_buffer *cmd_buf_arr;
- struct net_device *netdev = adapter->netdev;
-
- size = sizeof(struct qlcnic_host_tx_ring);
- tx_ring = kzalloc(size, GFP_KERNEL);
- if (tx_ring == NULL) {
- dev_err(&netdev->dev, "failed to allocate tx ring struct\n");
- return -ENOMEM;
- }
- adapter->tx_ring = tx_ring;
-
- tx_ring->num_desc = adapter->num_txd;
- tx_ring->txq = netdev_get_tx_queue(netdev, 0);
-
- cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
- if (cmd_buf_arr == NULL) {
- dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n");
- goto err_out;
- }
- tx_ring->cmd_buf_arr = cmd_buf_arr;
-
- recv_ctx = adapter->recv_ctx;
-
- size = adapter->max_rds_rings * sizeof(struct qlcnic_host_rds_ring);
- rds_ring = kzalloc(size, GFP_KERNEL);
- if (rds_ring == NULL) {
- dev_err(&netdev->dev, "failed to allocate rds ring struct\n");
- goto err_out;
- }
- recv_ctx->rds_rings = rds_ring;
-
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- rds_ring = &recv_ctx->rds_rings[ring];
- switch (ring) {
- case RCV_RING_NORMAL:
- rds_ring->num_desc = adapter->num_rxd;
- rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN;
- rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN;
- break;
-
- case RCV_RING_JUMBO:
- rds_ring->num_desc = adapter->num_jumbo_rxd;
- rds_ring->dma_size =
- QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN;
-
- if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
- rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA;
-
- rds_ring->skb_size =
- rds_ring->dma_size + NET_IP_ALIGN;
- break;
- }
- rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
- if (rds_ring->rx_buf_arr == NULL) {
- dev_err(&netdev->dev, "Failed to allocate "
- "rx buffer ring %d\n", ring);
- goto err_out;
- }
- INIT_LIST_HEAD(&rds_ring->free_list);
- /*
- * Now go through all of them, set reference handles
- * and put them in the queues.
- */
- rx_buf = rds_ring->rx_buf_arr;
- for (i = 0; i < rds_ring->num_desc; i++) {
- list_add_tail(&rx_buf->list,
- &rds_ring->free_list);
- rx_buf->ref_handle = i;
- rx_buf++;
- }
- spin_lock_init(&rds_ring->lock);
- }
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
- sds_ring->irq = adapter->msix_entries[ring].vector;
- sds_ring->adapter = adapter;
- sds_ring->num_desc = adapter->num_rxd;
-
- for (i = 0; i < NUM_RCV_DESC_RINGS; i++)
- INIT_LIST_HEAD(&sds_ring->free_list[i]);
- }
-
- return 0;
-
-err_out:
- qlcnic_free_sw_resources(adapter);
- return -ENOMEM;
-}
-
-/*
- * Utility to translate from internal Phantom CRB address
- * to external PCI CRB address.
- */
-static u32 qlcnic_decode_crb_addr(u32 addr)
-{
- int i;
- u32 base_addr, offset, pci_base;
-
- crb_addr_transform_setup();
-
- pci_base = QLCNIC_ADDR_ERROR;
- base_addr = addr & 0xfff00000;
- offset = addr & 0x000fffff;
-
- for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) {
- if (crb_addr_xform[i] == base_addr) {
- pci_base = i << 20;
- break;
- }
- }
- if (pci_base == QLCNIC_ADDR_ERROR)
- return pci_base;
- else
- return pci_base + offset;
-}
-
-#define QLCNIC_MAX_ROM_WAIT_USEC 100
-
-static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter)
-{
- long timeout = 0;
- long done = 0;
-
- cond_resched();
-
- while (done == 0) {
- done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS);
- done &= 2;
- if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) {
- dev_err(&adapter->pdev->dev,
- "Timeout reached waiting for rom done");
- return -EIO;
- }
- udelay(1);
- }
- return 0;
-}
-
-static int do_rom_fast_read(struct qlcnic_adapter *adapter,
- u32 addr, u32 *valp)
-{
- QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr);
- QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
- QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3);
- QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb);
- if (qlcnic_wait_rom_done(adapter)) {
- dev_err(&adapter->pdev->dev, "Error waiting for rom done\n");
- return -EIO;
- }
- /* reset abyte_cnt and dummy_byte_cnt */
- QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0);
- udelay(10);
- QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
-
- *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA);
- return 0;
-}
-
-static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
- u8 *bytes, size_t size)
-{
- int addridx;
- int ret = 0;
-
- for (addridx = addr; addridx < (addr + size); addridx += 4) {
- int v;
- ret = do_rom_fast_read(adapter, addridx, &v);
- if (ret != 0)
- break;
- *(__le32 *)bytes = cpu_to_le32(v);
- bytes += 4;
- }
-
- return ret;
-}
-
-int
-qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
- u8 *bytes, size_t size)
-{
- int ret;
-
- ret = qlcnic_rom_lock(adapter);
- if (ret < 0)
- return ret;
-
- ret = do_rom_fast_read_words(adapter, addr, bytes, size);
-
- qlcnic_rom_unlock(adapter);
- return ret;
-}
-
-int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp)
-{
- int ret;
-
- if (qlcnic_rom_lock(adapter) != 0)
- return -EIO;
-
- ret = do_rom_fast_read(adapter, addr, valp);
- qlcnic_rom_unlock(adapter);
- return ret;
-}
-
-int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
-{
- int addr, val;
- int i, n, init_delay;
- struct crb_addr_pair *buf;
- unsigned offset;
- u32 off;
- struct pci_dev *pdev = adapter->pdev;
-
- QLCWR32(adapter, CRB_CMDPEG_STATE, 0);
- QLCWR32(adapter, CRB_RCVPEG_STATE, 0);
-
- qlcnic_rom_lock(adapter);
- QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff);
- qlcnic_rom_unlock(adapter);
-
- /* Init HW CRB block */
- if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) ||
- qlcnic_rom_fast_read(adapter, 4, &n) != 0) {
- dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n);
- return -EIO;
- }
- offset = n & 0xffffU;
- n = (n >> 16) & 0xffffU;
-
- if (n >= 1024) {
- dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n");
- return -EIO;
- }
-
- buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
- if (buf == NULL) {
- dev_err(&pdev->dev, "Unable to calloc memory for rom read.\n");
- return -ENOMEM;
- }
-
- for (i = 0; i < n; i++) {
- if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
- qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
- kfree(buf);
- return -EIO;
- }
-
- buf[i].addr = addr;
- buf[i].data = val;
- }
-
- for (i = 0; i < n; i++) {
-
- off = qlcnic_decode_crb_addr(buf[i].addr);
- if (off == QLCNIC_ADDR_ERROR) {
- dev_err(&pdev->dev, "CRB init value out of range %x\n",
- buf[i].addr);
- continue;
- }
- off += QLCNIC_PCI_CRBSPACE;
-
- if (off & 1)
- continue;
-
- /* skipping cold reboot MAGIC */
- if (off == QLCNIC_CAM_RAM(0x1fc))
- continue;
- if (off == (QLCNIC_CRB_I2C0 + 0x1c))
- continue;
- if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */
- continue;
- if (off == (ROMUSB_GLB + 0xa8))
- continue;
- if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
- continue;
- if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
- continue;
- if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
- continue;
- if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET)
- continue;
- /* skip the function enable register */
- if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION))
- continue;
- if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2))
- continue;
- if ((off & 0x0ff00000) == QLCNIC_CRB_SMB)
- continue;
-
- init_delay = 1;
- /* After writing this register, HW needs time for CRB */
- /* to quiet down (else crb_window returns 0xffffffff) */
- if (off == QLCNIC_ROMUSB_GLB_SW_RESET)
- init_delay = 1000;
-
- QLCWR32(adapter, off, buf[i].data);
-
- msleep(init_delay);
- }
- kfree(buf);
-
- /* Initialize protocol process engine */
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0);
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0);
- msleep(1);
- QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
- QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
- return 0;
-}
-
-static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter)
-{
- u32 val;
- int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT;
-
- do {
- val = QLCRD32(adapter, CRB_CMDPEG_STATE);
-
- switch (val) {
- case PHAN_INITIALIZE_COMPLETE:
- case PHAN_INITIALIZE_ACK:
- return 0;
- case PHAN_INITIALIZE_FAILED:
- goto out_err;
- default:
- break;
- }
-
- msleep(QLCNIC_CMDPEG_CHECK_DELAY);
-
- } while (--retries);
-
- QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
-
-out_err:
- dev_err(&adapter->pdev->dev, "Command Peg initialization not "
- "complete, state: 0x%x.\n", val);
- return -EIO;
-}
-
-static int
-qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter)
-{
- u32 val;
- int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT;
-
- do {
- val = QLCRD32(adapter, CRB_RCVPEG_STATE);
-
- if (val == PHAN_PEG_RCV_INITIALIZED)
- return 0;
-
- msleep(QLCNIC_RCVPEG_CHECK_DELAY);
-
- } while (--retries);
-
- if (!retries) {
- dev_err(&adapter->pdev->dev, "Receive Peg initialization not "
- "complete, state: 0x%x.\n", val);
- return -EIO;
- }
-
- return 0;
-}
-
-int
-qlcnic_check_fw_status(struct qlcnic_adapter *adapter)
-{
- int err;
-
- err = qlcnic_cmd_peg_ready(adapter);
- if (err)
- return err;
-
- err = qlcnic_receive_peg_ready(adapter);
- if (err)
- return err;
-
- QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
-
- return err;
-}
-
-int
-qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
-
- int timeo;
- u32 val;
-
- val = QLCRD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO);
- val = QLC_DEV_GET_DRV(val, adapter->portnum);
- if ((val & 0x3) != QLCNIC_TYPE_NIC) {
- dev_err(&adapter->pdev->dev,
- "Not an Ethernet NIC func=%u\n", val);
- return -EIO;
- }
- adapter->physical_port = (val >> 2);
- if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo))
- timeo = QLCNIC_INIT_TIMEOUT_SECS;
-
- adapter->dev_init_timeo = timeo;
-
- if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo))
- timeo = QLCNIC_RESET_TIMEOUT_SECS;
-
- adapter->reset_ack_timeo = timeo;
-
- return 0;
-}
-
-static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region,
- struct qlcnic_flt_entry *region_entry)
-{
- struct qlcnic_flt_header flt_hdr;
- struct qlcnic_flt_entry *flt_entry;
- int i = 0, ret;
- u32 entry_size;
-
- memset(region_entry, 0, sizeof(struct qlcnic_flt_entry));
- ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION,
- (u8 *)&flt_hdr,
- sizeof(struct qlcnic_flt_header));
- if (ret) {
- dev_warn(&adapter->pdev->dev,
- "error reading flash layout header\n");
- return -EIO;
- }
-
- entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header);
- flt_entry = (struct qlcnic_flt_entry *)vzalloc(entry_size);
- if (flt_entry == NULL) {
- dev_warn(&adapter->pdev->dev, "error allocating memory\n");
- return -EIO;
- }
-
- ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION +
- sizeof(struct qlcnic_flt_header),
- (u8 *)flt_entry, entry_size);
- if (ret) {
- dev_warn(&adapter->pdev->dev,
- "error reading flash layout entries\n");
- goto err_out;
- }
-
- while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) {
- if (flt_entry[i].region == region)
- break;
- i++;
- }
- if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) {
- dev_warn(&adapter->pdev->dev,
- "region=%x not found in %d regions\n", region, i);
- ret = -EIO;
- goto err_out;
- }
- memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry));
-
-err_out:
- vfree(flt_entry);
- return ret;
-}
-
-int
-qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter)
-{
- struct qlcnic_flt_entry fw_entry;
- u32 ver = -1, min_ver;
- int ret;
-
- ret = qlcnic_get_flt_entry(adapter, QLCNIC_FW_IMAGE_REGION, &fw_entry);
- if (!ret)
- /* 0-4:-signature, 4-8:-fw version */
- qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4,
- (int *)&ver);
- else
- qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET,
- (int *)&ver);
-
- ver = QLCNIC_DECODE_VERSION(ver);
- min_ver = QLCNIC_MIN_FW_VERSION;
-
- if (ver < min_ver) {
- dev_err(&adapter->pdev->dev,
- "firmware version %d.%d.%d unsupported."
- "Min supported version %d.%d.%d\n",
- _major(ver), _minor(ver), _build(ver),
- _major(min_ver), _minor(min_ver), _build(min_ver));
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int
-qlcnic_has_mn(struct qlcnic_adapter *adapter)
-{
- u32 capability;
- capability = 0;
-
- capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY);
- if (capability & QLCNIC_PEG_TUNE_MN_PRESENT)
- return 1;
-
- return 0;
-}
-
-static
-struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section)
-{
- u32 i;
- struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
- __le32 entries = cpu_to_le32(directory->num_entries);
-
- for (i = 0; i < entries; i++) {
-
- __le32 offs = cpu_to_le32(directory->findex) +
- (i * cpu_to_le32(directory->entry_size));
- __le32 tab_type = cpu_to_le32(*((u32 *)&unirom[offs] + 8));
-
- if (tab_type == section)
- return (struct uni_table_desc *) &unirom[offs];
- }
-
- return NULL;
-}
-
-#define FILEHEADER_SIZE (14 * 4)
-
-static int
-qlcnic_validate_header(struct qlcnic_adapter *adapter)
-{
- const u8 *unirom = adapter->fw->data;
- struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
- __le32 fw_file_size = adapter->fw->size;
- __le32 entries;
- __le32 entry_size;
- __le32 tab_size;
-
- if (fw_file_size < FILEHEADER_SIZE)
- return -EINVAL;
-
- entries = cpu_to_le32(directory->num_entries);
- entry_size = cpu_to_le32(directory->entry_size);
- tab_size = cpu_to_le32(directory->findex) + (entries * entry_size);
-
- if (fw_file_size < tab_size)
- return -EINVAL;
-
- return 0;
-}
-
-static int
-qlcnic_validate_bootld(struct qlcnic_adapter *adapter)
-{
- struct uni_table_desc *tab_desc;
- struct uni_data_desc *descr;
- const u8 *unirom = adapter->fw->data;
- int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
- QLCNIC_UNI_BOOTLD_IDX_OFF));
- __le32 offs;
- __le32 tab_size;
- __le32 data_size;
-
- tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD);
-
- if (!tab_desc)
- return -EINVAL;
-
- tab_size = cpu_to_le32(tab_desc->findex) +
- (cpu_to_le32(tab_desc->entry_size) * (idx + 1));
-
- if (adapter->fw->size < tab_size)
- return -EINVAL;
-
- offs = cpu_to_le32(tab_desc->findex) +
- (cpu_to_le32(tab_desc->entry_size) * (idx));
- descr = (struct uni_data_desc *)&unirom[offs];
-
- data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size);
-
- if (adapter->fw->size < data_size)
- return -EINVAL;
-
- return 0;
-}
-
-static int
-qlcnic_validate_fw(struct qlcnic_adapter *adapter)
-{
- struct uni_table_desc *tab_desc;
- struct uni_data_desc *descr;
- const u8 *unirom = adapter->fw->data;
- int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
- QLCNIC_UNI_FIRMWARE_IDX_OFF));
- __le32 offs;
- __le32 tab_size;
- __le32 data_size;
-
- tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW);
-
- if (!tab_desc)
- return -EINVAL;
-
- tab_size = cpu_to_le32(tab_desc->findex) +
- (cpu_to_le32(tab_desc->entry_size) * (idx + 1));
-
- if (adapter->fw->size < tab_size)
- return -EINVAL;
-
- offs = cpu_to_le32(tab_desc->findex) +
- (cpu_to_le32(tab_desc->entry_size) * (idx));
- descr = (struct uni_data_desc *)&unirom[offs];
- data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size);
-
- if (adapter->fw->size < data_size)
- return -EINVAL;
-
- return 0;
-}
-
-static int
-qlcnic_validate_product_offs(struct qlcnic_adapter *adapter)
-{
- struct uni_table_desc *ptab_descr;
- const u8 *unirom = adapter->fw->data;
- int mn_present = qlcnic_has_mn(adapter);
- __le32 entries;
- __le32 entry_size;
- __le32 tab_size;
- u32 i;
-
- ptab_descr = qlcnic_get_table_desc(unirom,
- QLCNIC_UNI_DIR_SECT_PRODUCT_TBL);
- if (!ptab_descr)
- return -EINVAL;
-
- entries = cpu_to_le32(ptab_descr->num_entries);
- entry_size = cpu_to_le32(ptab_descr->entry_size);
- tab_size = cpu_to_le32(ptab_descr->findex) + (entries * entry_size);
-
- if (adapter->fw->size < tab_size)
- return -EINVAL;
-
-nomn:
- for (i = 0; i < entries; i++) {
-
- __le32 flags, file_chiprev, offs;
- u8 chiprev = adapter->ahw->revision_id;
- u32 flagbit;
-
- offs = cpu_to_le32(ptab_descr->findex) +
- (i * cpu_to_le32(ptab_descr->entry_size));
- flags = cpu_to_le32(*((int *)&unirom[offs] +
- QLCNIC_UNI_FLAGS_OFF));
- file_chiprev = cpu_to_le32(*((int *)&unirom[offs] +
- QLCNIC_UNI_CHIP_REV_OFF));
-
- flagbit = mn_present ? 1 : 2;
-
- if ((chiprev == file_chiprev) &&
- ((1ULL << flagbit) & flags)) {
- adapter->file_prd_off = offs;
- return 0;
- }
- }
- if (mn_present) {
- mn_present = 0;
- goto nomn;
- }
- return -EINVAL;
-}
-
-static int
-qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter)
-{
- if (qlcnic_validate_header(adapter)) {
- dev_err(&adapter->pdev->dev,
- "unified image: header validation failed\n");
- return -EINVAL;
- }
-
- if (qlcnic_validate_product_offs(adapter)) {
- dev_err(&adapter->pdev->dev,
- "unified image: product validation failed\n");
- return -EINVAL;
- }
-
- if (qlcnic_validate_bootld(adapter)) {
- dev_err(&adapter->pdev->dev,
- "unified image: bootld validation failed\n");
- return -EINVAL;
- }
-
- if (qlcnic_validate_fw(adapter)) {
- dev_err(&adapter->pdev->dev,
- "unified image: firmware validation failed\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static
-struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter,
- u32 section, u32 idx_offset)
-{
- const u8 *unirom = adapter->fw->data;
- int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
- idx_offset));
- struct uni_table_desc *tab_desc;
- __le32 offs;
-
- tab_desc = qlcnic_get_table_desc(unirom, section);
-
- if (tab_desc == NULL)
- return NULL;
-
- offs = cpu_to_le32(tab_desc->findex) +
- (cpu_to_le32(tab_desc->entry_size) * idx);
-
- return (struct uni_data_desc *)&unirom[offs];
-}
-
-static u8 *
-qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter)
-{
- u32 offs = QLCNIC_BOOTLD_START;
-
- if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
- offs = cpu_to_le32((qlcnic_get_data_desc(adapter,
- QLCNIC_UNI_DIR_SECT_BOOTLD,
- QLCNIC_UNI_BOOTLD_IDX_OFF))->findex);
-
- return (u8 *)&adapter->fw->data[offs];
-}
-
-static u8 *
-qlcnic_get_fw_offs(struct qlcnic_adapter *adapter)
-{
- u32 offs = QLCNIC_IMAGE_START;
-
- if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
- offs = cpu_to_le32((qlcnic_get_data_desc(adapter,
- QLCNIC_UNI_DIR_SECT_FW,
- QLCNIC_UNI_FIRMWARE_IDX_OFF))->findex);
-
- return (u8 *)&adapter->fw->data[offs];
-}
-
-static __le32
-qlcnic_get_fw_size(struct qlcnic_adapter *adapter)
-{
- if (adapter->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
- return cpu_to_le32((qlcnic_get_data_desc(adapter,
- QLCNIC_UNI_DIR_SECT_FW,
- QLCNIC_UNI_FIRMWARE_IDX_OFF))->size);
- else
- return cpu_to_le32(
- *(u32 *)&adapter->fw->data[QLCNIC_FW_SIZE_OFFSET]);
-}
-
-static __le32
-qlcnic_get_fw_version(struct qlcnic_adapter *adapter)
-{
- struct uni_data_desc *fw_data_desc;
- const struct firmware *fw = adapter->fw;
- __le32 major, minor, sub;
- const u8 *ver_str;
- int i, ret;
-
- if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE)
- return cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET]);
-
- fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
- QLCNIC_UNI_FIRMWARE_IDX_OFF);
- ver_str = fw->data + cpu_to_le32(fw_data_desc->findex) +
- cpu_to_le32(fw_data_desc->size) - 17;
-
- for (i = 0; i < 12; i++) {
- if (!strncmp(&ver_str[i], "REV=", 4)) {
- ret = sscanf(&ver_str[i+4], "%u.%u.%u ",
- &major, &minor, &sub);
- if (ret != 3)
- return 0;
- else
- return major + (minor << 8) + (sub << 16);
- }
- }
-
- return 0;
-}
-
-static __le32
-qlcnic_get_bios_version(struct qlcnic_adapter *adapter)
-{
- const struct firmware *fw = adapter->fw;
- __le32 bios_ver, prd_off = adapter->file_prd_off;
-
- if (adapter->fw_type != QLCNIC_UNIFIED_ROMIMAGE)
- return cpu_to_le32(
- *(u32 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET]);
-
- bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off])
- + QLCNIC_UNI_BIOS_VERSION_OFF));
-
- return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24);
-}
-
-static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter)
-{
- if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID))
- dev_info(&adapter->pdev->dev, "Resetting rom_lock\n");
-
- qlcnic_pcie_sem_unlock(adapter, 2);
-}
-
-static int
-qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter)
-{
- u32 heartbeat, ret = -EIO;
- int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT;
-
- adapter->heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
-
- do {
- msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS);
- heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
- if (heartbeat != adapter->heartbeat) {
- ret = QLCNIC_RCODE_SUCCESS;
- break;
- }
- } while (--retries);
-
- return ret;
-}
-
-int
-qlcnic_need_fw_reset(struct qlcnic_adapter *adapter)
-{
- if ((adapter->flags & QLCNIC_FW_HANG) ||
- qlcnic_check_fw_hearbeat(adapter)) {
- qlcnic_rom_lock_recovery(adapter);
- return 1;
- }
-
- if (adapter->need_fw_reset)
- return 1;
-
- if (adapter->fw)
- return 1;
-
- return 0;
-}
-
-static const char *fw_name[] = {
- QLCNIC_UNIFIED_ROMIMAGE_NAME,
- QLCNIC_FLASH_ROMIMAGE_NAME,
-};
-
-int
-qlcnic_load_firmware(struct qlcnic_adapter *adapter)
-{
- u64 *ptr64;
- u32 i, flashaddr, size;
- const struct firmware *fw = adapter->fw;
- struct pci_dev *pdev = adapter->pdev;
-
- dev_info(&pdev->dev, "loading firmware from %s\n",
- fw_name[adapter->fw_type]);
-
- if (fw) {
- __le64 data;
-
- size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
-
- ptr64 = (u64 *)qlcnic_get_bootld_offs(adapter);
- flashaddr = QLCNIC_BOOTLD_START;
-
- for (i = 0; i < size; i++) {
- data = cpu_to_le64(ptr64[i]);
-
- if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data))
- return -EIO;
-
- flashaddr += 8;
- }
-
- size = (__force u32)qlcnic_get_fw_size(adapter) / 8;
-
- ptr64 = (u64 *)qlcnic_get_fw_offs(adapter);
- flashaddr = QLCNIC_IMAGE_START;
-
- for (i = 0; i < size; i++) {
- data = cpu_to_le64(ptr64[i]);
-
- if (qlcnic_pci_mem_write_2M(adapter,
- flashaddr, data))
- return -EIO;
-
- flashaddr += 8;
- }
-
- size = (__force u32)qlcnic_get_fw_size(adapter) % 8;
- if (size) {
- data = cpu_to_le64(ptr64[i]);
-
- if (qlcnic_pci_mem_write_2M(adapter,
- flashaddr, data))
- return -EIO;
- }
-
- } else {
- u64 data;
- u32 hi, lo;
- int ret;
- struct qlcnic_flt_entry bootld_entry;
-
- ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION,
- &bootld_entry);
- if (!ret) {
- size = bootld_entry.size / 8;
- flashaddr = bootld_entry.start_addr;
- } else {
- size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
- flashaddr = QLCNIC_BOOTLD_START;
- dev_info(&pdev->dev,
- "using legacy method to get flash fw region");
- }
-
- for (i = 0; i < size; i++) {
- if (qlcnic_rom_fast_read(adapter,
- flashaddr, (int *)&lo) != 0)
- return -EIO;
- if (qlcnic_rom_fast_read(adapter,
- flashaddr + 4, (int *)&hi) != 0)
- return -EIO;
-
- data = (((u64)hi << 32) | lo);
-
- if (qlcnic_pci_mem_write_2M(adapter,
- flashaddr, data))
- return -EIO;
-
- flashaddr += 8;
- }
- }
- msleep(1);
-
- QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020);
- QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e);
- return 0;
-}
-
-static int
-qlcnic_validate_firmware(struct qlcnic_adapter *adapter)
-{
- __le32 val;
- u32 ver, bios, min_size;
- struct pci_dev *pdev = adapter->pdev;
- const struct firmware *fw = adapter->fw;
- u8 fw_type = adapter->fw_type;
-
- if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) {
- if (qlcnic_validate_unified_romimage(adapter))
- return -EINVAL;
-
- min_size = QLCNIC_UNI_FW_MIN_SIZE;
- } else {
- val = cpu_to_le32(*(u32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]);
- if ((__force u32)val != QLCNIC_BDINFO_MAGIC)
- return -EINVAL;
-
- min_size = QLCNIC_FW_MIN_SIZE;
- }
-
- if (fw->size < min_size)
- return -EINVAL;
-
- val = qlcnic_get_fw_version(adapter);
- ver = QLCNIC_DECODE_VERSION(val);
-
- if (ver < QLCNIC_MIN_FW_VERSION) {
- dev_err(&pdev->dev,
- "%s: firmware version %d.%d.%d unsupported\n",
- fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
- return -EINVAL;
- }
-
- val = qlcnic_get_bios_version(adapter);
- qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios);
- if ((__force u32)val != bios) {
- dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
- fw_name[fw_type]);
- return -EINVAL;
- }
-
- QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC);
- return 0;
-}
-
-static void
-qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter)
-{
- u8 fw_type;
-
- switch (adapter->fw_type) {
- case QLCNIC_UNKNOWN_ROMIMAGE:
- fw_type = QLCNIC_UNIFIED_ROMIMAGE;
- break;
-
- case QLCNIC_UNIFIED_ROMIMAGE:
- default:
- fw_type = QLCNIC_FLASH_ROMIMAGE;
- break;
- }
-
- adapter->fw_type = fw_type;
-}
-
-
-
-void qlcnic_request_firmware(struct qlcnic_adapter *adapter)
-{
- struct pci_dev *pdev = adapter->pdev;
- int rc;
-
- adapter->fw_type = QLCNIC_UNKNOWN_ROMIMAGE;
-
-next:
- qlcnic_get_next_fwtype(adapter);
-
- if (adapter->fw_type == QLCNIC_FLASH_ROMIMAGE) {
- adapter->fw = NULL;
- } else {
- rc = request_firmware(&adapter->fw,
- fw_name[adapter->fw_type], &pdev->dev);
- if (rc != 0)
- goto next;
-
- rc = qlcnic_validate_firmware(adapter);
- if (rc != 0) {
- release_firmware(adapter->fw);
- msleep(1);
- goto next;
- }
- }
-}
-
-
-void
-qlcnic_release_firmware(struct qlcnic_adapter *adapter)
-{
- if (adapter->fw)
- release_firmware(adapter->fw);
- adapter->fw = NULL;
-}
-
-static void
-qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
- struct qlcnic_fw_msg *msg)
-{
- u32 cable_OUI;
- u16 cable_len;
- u16 link_speed;
- u8 link_status, module, duplex, autoneg;
- u8 lb_status = 0;
- struct net_device *netdev = adapter->netdev;
-
- adapter->has_link_events = 1;
-
- cable_OUI = msg->body[1] & 0xffffffff;
- cable_len = (msg->body[1] >> 32) & 0xffff;
- link_speed = (msg->body[1] >> 48) & 0xffff;
-
- link_status = msg->body[2] & 0xff;
- duplex = (msg->body[2] >> 16) & 0xff;
- autoneg = (msg->body[2] >> 24) & 0xff;
- lb_status = (msg->body[2] >> 32) & 0x3;
-
- module = (msg->body[2] >> 8) & 0xff;
- if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE)
- dev_info(&netdev->dev, "unsupported cable: OUI 0x%x, "
- "length %d\n", cable_OUI, cable_len);
- else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN)
- dev_info(&netdev->dev, "unsupported cable length %d\n",
- cable_len);
-
- if (!link_status && (lb_status == QLCNIC_ILB_MODE ||
- lb_status == QLCNIC_ELB_MODE))
- adapter->ahw->loopback_state |= QLCNIC_LINKEVENT;
-
- qlcnic_advert_link_change(adapter, link_status);
-
- if (duplex == LINKEVENT_FULL_DUPLEX)
- adapter->link_duplex = DUPLEX_FULL;
- else
- adapter->link_duplex = DUPLEX_HALF;
-
- adapter->module_type = module;
- adapter->link_autoneg = autoneg;
- adapter->link_speed = link_speed;
-}
-
-static void
-qlcnic_handle_fw_message(int desc_cnt, int index,
- struct qlcnic_host_sds_ring *sds_ring)
-{
- struct qlcnic_fw_msg msg;
- struct status_desc *desc;
- struct qlcnic_adapter *adapter;
- struct device *dev;
- int i = 0, opcode, ret;
-
- while (desc_cnt > 0 && i < 8) {
- desc = &sds_ring->desc_head[index];
- msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]);
- msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]);
-
- index = get_next_index(index, sds_ring->num_desc);
- desc_cnt--;
- }
-
- adapter = sds_ring->adapter;
- dev = &adapter->pdev->dev;
- opcode = qlcnic_get_nic_msg_opcode(msg.body[0]);
-
- switch (opcode) {
- case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
- qlcnic_handle_linkevent(adapter, &msg);
- break;
- case QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK:
- ret = (u32)(msg.body[1]);
- switch (ret) {
- case 0:
- adapter->ahw->loopback_state |= QLCNIC_LB_RESPONSE;
- break;
- case 1:
- dev_info(dev, "loopback already in progress\n");
- adapter->diag_cnt = -QLCNIC_TEST_IN_PROGRESS;
- break;
- case 2:
- dev_info(dev, "loopback cable is not connected\n");
- adapter->diag_cnt = -QLCNIC_LB_CABLE_NOT_CONN;
- break;
- default:
- dev_info(dev, "loopback configure request failed,"
- " ret %x\n", ret);
- adapter->diag_cnt = -QLCNIC_UNDEFINED_ERROR;
- break;
- }
- break;
- default:
- break;
- }
-}
-
-static int
-qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter,
- struct qlcnic_host_rds_ring *rds_ring,
- struct qlcnic_rx_buffer *buffer)
-{
- struct sk_buff *skb;
- dma_addr_t dma;
- struct pci_dev *pdev = adapter->pdev;
-
- skb = dev_alloc_skb(rds_ring->skb_size);
- if (!skb) {
- adapter->stats.skb_alloc_failure++;
- return -ENOMEM;
- }
-
- skb_reserve(skb, NET_IP_ALIGN);
-
- dma = pci_map_single(pdev, skb->data,
- rds_ring->dma_size, PCI_DMA_FROMDEVICE);
-
- if (pci_dma_mapping_error(pdev, dma)) {
- adapter->stats.rx_dma_map_error++;
- dev_kfree_skb_any(skb);
- return -ENOMEM;
- }
-
- buffer->skb = skb;
- buffer->dma = dma;
-
- return 0;
-}
-
-static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter,
- struct qlcnic_host_rds_ring *rds_ring, u16 index, u16 cksum)
-{
- struct qlcnic_rx_buffer *buffer;
- struct sk_buff *skb;
-
- buffer = &rds_ring->rx_buf_arr[index];
-
- if (unlikely(buffer->skb == NULL)) {
- WARN_ON(1);
- return NULL;
- }
-
- pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size,
- PCI_DMA_FROMDEVICE);
-
- skb = buffer->skb;
-
- if (likely((adapter->netdev->features & NETIF_F_RXCSUM) &&
- (cksum == STATUS_CKSUM_OK || cksum == STATUS_CKSUM_LOOP))) {
- adapter->stats.csummed++;
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- } else {
- skb_checksum_none_assert(skb);
- }
-
- skb->dev = adapter->netdev;
-
- buffer->skb = NULL;
-
- return skb;
-}
-
-static inline int
-qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter, struct sk_buff *skb,
- u16 *vlan_tag)
-{
- struct ethhdr *eth_hdr;
-
- if (!__vlan_get_tag(skb, vlan_tag)) {
- eth_hdr = (struct ethhdr *) skb->data;
- memmove(skb->data + VLAN_HLEN, eth_hdr, ETH_ALEN * 2);
- skb_pull(skb, VLAN_HLEN);
- }
- if (!adapter->pvid)
- return 0;
-
- if (*vlan_tag == adapter->pvid) {
- /* Outer vlan tag. Packet should follow non-vlan path */
- *vlan_tag = 0xffff;
- return 0;
- }
- if (adapter->flags & QLCNIC_TAGGING_ENABLED)
- return 0;
-
- return -EINVAL;
-}
-
-static struct qlcnic_rx_buffer *
-qlcnic_process_rcv(struct qlcnic_adapter *adapter,
- struct qlcnic_host_sds_ring *sds_ring,
- int ring, u64 sts_data0)
-{
- struct net_device *netdev = adapter->netdev;
- struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
- struct qlcnic_rx_buffer *buffer;
- struct sk_buff *skb;
- struct qlcnic_host_rds_ring *rds_ring;
- int index, length, cksum, pkt_offset;
- u16 vid = 0xffff;
-
- if (unlikely(ring >= adapter->max_rds_rings))
- return NULL;
-
- rds_ring = &recv_ctx->rds_rings[ring];
-
- index = qlcnic_get_sts_refhandle(sts_data0);
- if (unlikely(index >= rds_ring->num_desc))
- return NULL;
-
- buffer = &rds_ring->rx_buf_arr[index];
-
- length = qlcnic_get_sts_totallength(sts_data0);
- cksum = qlcnic_get_sts_status(sts_data0);
- pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
-
- skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
- if (!skb)
- return buffer;
-
- if (length > rds_ring->skb_size)
- skb_put(skb, rds_ring->skb_size);
- else
- skb_put(skb, length);
-
- if (pkt_offset)
- skb_pull(skb, pkt_offset);
-
- if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) {
- adapter->stats.rxdropped++;
- dev_kfree_skb(skb);
- return buffer;
- }
-
- skb->protocol = eth_type_trans(skb, netdev);
-
- if (vid != 0xffff)
- __vlan_hwaccel_put_tag(skb, vid);
-
- napi_gro_receive(&sds_ring->napi, skb);
-
- adapter->stats.rx_pkts++;
- adapter->stats.rxbytes += length;
-
- return buffer;
-}
-
-#define QLC_TCP_HDR_SIZE 20
-#define QLC_TCP_TS_OPTION_SIZE 12
-#define QLC_TCP_TS_HDR_SIZE (QLC_TCP_HDR_SIZE + QLC_TCP_TS_OPTION_SIZE)
-
-static struct qlcnic_rx_buffer *
-qlcnic_process_lro(struct qlcnic_adapter *adapter,
- struct qlcnic_host_sds_ring *sds_ring,
- int ring, u64 sts_data0, u64 sts_data1)
-{
- struct net_device *netdev = adapter->netdev;
- struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
- struct qlcnic_rx_buffer *buffer;
- struct sk_buff *skb;
- struct qlcnic_host_rds_ring *rds_ring;
- struct iphdr *iph;
- struct tcphdr *th;
- bool push, timestamp;
- int l2_hdr_offset, l4_hdr_offset;
- int index;
- u16 lro_length, length, data_offset;
- u32 seq_number;
- u16 vid = 0xffff;
-
- if (unlikely(ring > adapter->max_rds_rings))
- return NULL;
-
- rds_ring = &recv_ctx->rds_rings[ring];
-
- index = qlcnic_get_lro_sts_refhandle(sts_data0);
- if (unlikely(index > rds_ring->num_desc))
- return NULL;
-
- buffer = &rds_ring->rx_buf_arr[index];
-
- timestamp = qlcnic_get_lro_sts_timestamp(sts_data0);
- lro_length = qlcnic_get_lro_sts_length(sts_data0);
- l2_hdr_offset = qlcnic_get_lro_sts_l2_hdr_offset(sts_data0);
- l4_hdr_offset = qlcnic_get_lro_sts_l4_hdr_offset(sts_data0);
- push = qlcnic_get_lro_sts_push_flag(sts_data0);
- seq_number = qlcnic_get_lro_sts_seq_number(sts_data1);
-
- skb = qlcnic_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK);
- if (!skb)
- return buffer;
-
- if (timestamp)
- data_offset = l4_hdr_offset + QLC_TCP_TS_HDR_SIZE;
- else
- data_offset = l4_hdr_offset + QLC_TCP_HDR_SIZE;
-
- skb_put(skb, lro_length + data_offset);
-
- skb_pull(skb, l2_hdr_offset);
-
- if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) {
- adapter->stats.rxdropped++;
- dev_kfree_skb(skb);
- return buffer;
- }
-
- skb->protocol = eth_type_trans(skb, netdev);
-
- iph = (struct iphdr *)skb->data;
- th = (struct tcphdr *)(skb->data + (iph->ihl << 2));
-
- length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
- iph->tot_len = htons(length);
- iph->check = 0;
- iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
- th->psh = push;
- th->seq = htonl(seq_number);
-
- length = skb->len;
-
- if (vid != 0xffff)
- __vlan_hwaccel_put_tag(skb, vid);
- netif_receive_skb(skb);
-
- adapter->stats.lro_pkts++;
- adapter->stats.lrobytes += length;
-
- return buffer;
-}
-
-int
-qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max)
-{
- struct qlcnic_adapter *adapter = sds_ring->adapter;
- struct list_head *cur;
- struct status_desc *desc;
- struct qlcnic_rx_buffer *rxbuf;
- u64 sts_data0, sts_data1;
-
- int count = 0;
- int opcode, ring, desc_cnt;
- u32 consumer = sds_ring->consumer;
-
- while (count < max) {
- desc = &sds_ring->desc_head[consumer];
- sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
-
- if (!(sts_data0 & STATUS_OWNER_HOST))
- break;
-
- desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
- opcode = qlcnic_get_sts_opcode(sts_data0);
-
- switch (opcode) {
- case QLCNIC_RXPKT_DESC:
- case QLCNIC_OLD_RXPKT_DESC:
- case QLCNIC_SYN_OFFLOAD:
- ring = qlcnic_get_sts_type(sts_data0);
- rxbuf = qlcnic_process_rcv(adapter, sds_ring,
- ring, sts_data0);
- break;
- case QLCNIC_LRO_DESC:
- ring = qlcnic_get_lro_sts_type(sts_data0);
- sts_data1 = le64_to_cpu(desc->status_desc_data[1]);
- rxbuf = qlcnic_process_lro(adapter, sds_ring,
- ring, sts_data0, sts_data1);
- break;
- case QLCNIC_RESPONSE_DESC:
- qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring);
- default:
- goto skip;
- }
-
- WARN_ON(desc_cnt > 1);
-
- if (likely(rxbuf))
- list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]);
- else
- adapter->stats.null_rxbuf++;
-
-skip:
- for (; desc_cnt > 0; desc_cnt--) {
- desc = &sds_ring->desc_head[consumer];
- desc->status_desc_data[0] =
- cpu_to_le64(STATUS_OWNER_PHANTOM);
- consumer = get_next_index(consumer, sds_ring->num_desc);
- }
- count++;
- }
-
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- struct qlcnic_host_rds_ring *rds_ring =
- &adapter->recv_ctx->rds_rings[ring];
-
- if (!list_empty(&sds_ring->free_list[ring])) {
- list_for_each(cur, &sds_ring->free_list[ring]) {
- rxbuf = list_entry(cur,
- struct qlcnic_rx_buffer, list);
- qlcnic_alloc_rx_skb(adapter, rds_ring, rxbuf);
- }
- spin_lock(&rds_ring->lock);
- list_splice_tail_init(&sds_ring->free_list[ring],
- &rds_ring->free_list);
- spin_unlock(&rds_ring->lock);
- }
-
- qlcnic_post_rx_buffers_nodb(adapter, rds_ring);
- }
-
- if (count) {
- sds_ring->consumer = consumer;
- writel(consumer, sds_ring->crb_sts_consumer);
- }
-
- return count;
-}
-
-void
-qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter,
- struct qlcnic_host_rds_ring *rds_ring)
-{
- struct rcv_desc *pdesc;
- struct qlcnic_rx_buffer *buffer;
- int count = 0;
- u32 producer;
- struct list_head *head;
-
- producer = rds_ring->producer;
-
- head = &rds_ring->free_list;
- while (!list_empty(head)) {
-
- buffer = list_entry(head->next, struct qlcnic_rx_buffer, list);
-
- if (!buffer->skb) {
- if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer))
- break;
- }
-
- count++;
- list_del(&buffer->list);
-
- /* make a rcv descriptor */
- pdesc = &rds_ring->desc_head[producer];
- pdesc->addr_buffer = cpu_to_le64(buffer->dma);
- pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
- pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
-
- producer = get_next_index(producer, rds_ring->num_desc);
- }
-
- if (count) {
- rds_ring->producer = producer;
- writel((producer-1) & (rds_ring->num_desc-1),
- rds_ring->crb_rcv_producer);
- }
-}
-
-static void
-qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter,
- struct qlcnic_host_rds_ring *rds_ring)
-{
- struct rcv_desc *pdesc;
- struct qlcnic_rx_buffer *buffer;
- int count = 0;
- uint32_t producer;
- struct list_head *head;
-
- if (!spin_trylock(&rds_ring->lock))
- return;
-
- producer = rds_ring->producer;
-
- head = &rds_ring->free_list;
- while (!list_empty(head)) {
-
- buffer = list_entry(head->next, struct qlcnic_rx_buffer, list);
-
- if (!buffer->skb) {
- if (qlcnic_alloc_rx_skb(adapter, rds_ring, buffer))
- break;
- }
-
- count++;
- list_del(&buffer->list);
-
- /* make a rcv descriptor */
- pdesc = &rds_ring->desc_head[producer];
- pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
- pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
- pdesc->addr_buffer = cpu_to_le64(buffer->dma);
-
- producer = get_next_index(producer, rds_ring->num_desc);
- }
-
- if (count) {
- rds_ring->producer = producer;
- writel((producer - 1) & (rds_ring->num_desc - 1),
- rds_ring->crb_rcv_producer);
- }
- spin_unlock(&rds_ring->lock);
-}
-
-static void dump_skb(struct sk_buff *skb)
-{
- int i;
- unsigned char *data = skb->data;
-
- printk(KERN_INFO "\n");
- for (i = 0; i < skb->len; i++) {
- printk(KERN_INFO "%02x ", data[i]);
- if ((i & 0x0f) == 8)
- printk(KERN_INFO "\n");
- }
-}
-
-void qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter,
- struct qlcnic_host_sds_ring *sds_ring,
- int ring, u64 sts_data0)
-{
- struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
- struct sk_buff *skb;
- struct qlcnic_host_rds_ring *rds_ring;
- int index, length, cksum, pkt_offset;
-
- if (unlikely(ring >= adapter->max_rds_rings))
- return;
-
- rds_ring = &recv_ctx->rds_rings[ring];
-
- index = qlcnic_get_sts_refhandle(sts_data0);
- length = qlcnic_get_sts_totallength(sts_data0);
- if (unlikely(index >= rds_ring->num_desc))
- return;
-
- cksum = qlcnic_get_sts_status(sts_data0);
- pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
-
- skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
- if (!skb)
- return;
-
- if (length > rds_ring->skb_size)
- skb_put(skb, rds_ring->skb_size);
- else
- skb_put(skb, length);
-
- if (pkt_offset)
- skb_pull(skb, pkt_offset);
-
- if (!qlcnic_check_loopback_buff(skb->data, adapter->mac_addr))
- adapter->diag_cnt++;
- else
- dump_skb(skb);
-
- dev_kfree_skb_any(skb);
- adapter->stats.rx_pkts++;
- adapter->stats.rxbytes += length;
-
- return;
-}
-
-void
-qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring)
-{
- struct qlcnic_adapter *adapter = sds_ring->adapter;
- struct status_desc *desc;
- u64 sts_data0;
- int ring, opcode, desc_cnt;
-
- u32 consumer = sds_ring->consumer;
-
- desc = &sds_ring->desc_head[consumer];
- sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
-
- if (!(sts_data0 & STATUS_OWNER_HOST))
- return;
-
- desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
- opcode = qlcnic_get_sts_opcode(sts_data0);
- switch (opcode) {
- case QLCNIC_RESPONSE_DESC:
- qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring);
- break;
- default:
- ring = qlcnic_get_sts_type(sts_data0);
- qlcnic_process_rcv_diag(adapter, sds_ring, ring, sts_data0);
- break;
- }
-
- for (; desc_cnt > 0; desc_cnt--) {
- desc = &sds_ring->desc_head[consumer];
- desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM);
- consumer = get_next_index(consumer, sds_ring->num_desc);
- }
-
- sds_ring->consumer = consumer;
- writel(consumer, sds_ring->crb_sts_consumer);
-}
-
-void
-qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2,
- u8 alt_mac, u8 *mac)
-{
- u32 mac_low, mac_high;
- int i;
-
- mac_low = QLCRD32(adapter, off1);
- mac_high = QLCRD32(adapter, off2);
-
- if (alt_mac) {
- mac_low |= (mac_low >> 16) | (mac_high << 16);
- mac_high >>= 16;
- }
-
- for (i = 0; i < 2; i++)
- mac[i] = (u8)(mac_high >> ((1 - i) * 8));
- for (i = 2; i < 6; i++)
- mac[i] = (u8)(mac_low >> ((5 - i) * 8));
-}