diff options
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_main.c')
-rw-r--r-- | drivers/net/qlcnic/qlcnic_main.c | 447 |
1 files changed, 257 insertions, 190 deletions
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 234dab1..23ea9ca 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -61,6 +61,10 @@ static int auto_fw_reset = AUTO_FW_RESET_ENABLED; module_param(auto_fw_reset, int, 0644); MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled"); +static int load_fw_file; +module_param(load_fw_file, int, 0644); +MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file"); + static int __devinit qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); static void __devexit qlcnic_remove(struct pci_dev *pdev); @@ -84,6 +88,7 @@ static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter); static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter); +static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter); static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); @@ -208,6 +213,9 @@ qlcnic_napi_enable(struct qlcnic_adapter *adapter) struct qlcnic_host_sds_ring *sds_ring; struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + for (ring = 0; ring < adapter->max_sds_rings; ring++) { sds_ring = &recv_ctx->sds_rings[ring]; napi_enable(&sds_ring->napi); @@ -222,6 +230,9 @@ qlcnic_napi_disable(struct qlcnic_adapter *adapter) struct qlcnic_host_sds_ring *sds_ring; struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx; + if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + return; + for (ring = 0; ring < adapter->max_sds_rings; ring++) { sds_ring = &recv_ctx->sds_rings[ring]; qlcnic_disable_int(sds_ring); @@ -233,67 +244,6 @@ qlcnic_napi_disable(struct qlcnic_adapter *adapter) static void qlcnic_clear_stats(struct qlcnic_adapter *adapter) { memset(&adapter->stats, 0, sizeof(adapter->stats)); - return; -} - -static int qlcnic_set_dma_mask(struct qlcnic_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - u64 mask, cmask; - - adapter->pci_using_dac = 0; - - mask = DMA_BIT_MASK(39); - cmask = mask; - - if (pci_set_dma_mask(pdev, mask) == 0 && - pci_set_consistent_dma_mask(pdev, cmask) == 0) { - adapter->pci_using_dac = 1; - return 0; - } - - return -EIO; -} - -/* Update addressable range if firmware supports it */ -static int -qlcnic_update_dma_mask(struct qlcnic_adapter *adapter) -{ - int change, shift, err; - u64 mask, old_mask, old_cmask; - struct pci_dev *pdev = adapter->pdev; - - change = 0; - - shift = QLCRD32(adapter, CRB_DMA_SHIFT); - if (shift > 32) - return 0; - - if (shift > 9) - change = 1; - - if (change) { - old_mask = pdev->dma_mask; - old_cmask = pdev->dev.coherent_dma_mask; - - mask = DMA_BIT_MASK(32+shift); - - err = pci_set_dma_mask(pdev, mask); - if (err) - goto err_out; - - err = pci_set_consistent_dma_mask(pdev, mask); - if (err) - goto err_out; - dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift); - } - - return 0; - -err_out: - pci_set_dma_mask(pdev, old_mask); - pci_set_consistent_dma_mask(pdev, old_cmask); - return err; } static void qlcnic_set_port_mode(struct qlcnic_adapter *adapter) @@ -512,13 +462,6 @@ qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) struct pci_dev *pdev = adapter->pdev; int pci_func = adapter->ahw.pci_func; - /* - * Set the CRB window to invalid. If any register in window 0 is - * accessed it should set the window to 0 and then reset it to 1. - */ - adapter->ahw.crb_win = -1; - adapter->ahw.ocm_win = -1; - /* remap phys address */ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ mem_len = pci_resource_len(pdev, 0); @@ -556,7 +499,9 @@ static void get_brd_name(struct qlcnic_adapter *adapter, char *name) qlcnic_boards[i].device == pdev->device && qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && qlcnic_boards[i].sub_device == pdev->subsystem_device) { - strcpy(name, qlcnic_boards[i].short_name); + sprintf(name, "%pM: %s" , + adapter->mac_addr, + qlcnic_boards[i].short_name); found = 1; break; } @@ -605,22 +550,10 @@ qlcnic_check_options(struct qlcnic_adapter *adapter) brd_name, adapter->ahw.revision_id); } - if (adapter->fw_version < QLCNIC_VERSION_CODE(3, 4, 216)) { - adapter->driver_mismatch = 1; - dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", - fw_major, fw_minor, fw_build); - return; - } - - i = QLCRD32(adapter, QLCNIC_SRE_MISC); - adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; - - dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n", - fw_major, fw_minor, fw_build, - adapter->ahw.cut_through ? "cut-through" : "legacy"); + dev_info(&pdev->dev, "firmware v%d.%d.%d\n", + fw_major, fw_minor, fw_build); - if (adapter->fw_version >= QLCNIC_VERSION_CODE(4, 0, 222)) - adapter->capabilities = QLCRD32(adapter, CRB_FW_CAPABILITIES_1); + adapter->capabilities = QLCRD32(adapter, CRB_FW_CAPABILITIES_1); adapter->flags &= ~QLCNIC_LRO_ENABLED; @@ -637,7 +570,6 @@ qlcnic_check_options(struct qlcnic_adapter *adapter) adapter->num_txd = MAX_CMD_DESCRIPTORS; - adapter->num_lro_rxd = 0; adapter->max_rds_rings = 2; } @@ -646,11 +578,10 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter) { int val, err, first_boot; - err = qlcnic_set_dma_mask(adapter); - if (err) + err = qlcnic_can_start_firmware(adapter); + if (err < 0) return err; - - if (!qlcnic_can_start_firmware(adapter)) + else if (!err) goto wait_init; first_boot = QLCRD32(adapter, QLCNIC_CAM_RAM(0x1fc)); @@ -658,7 +589,10 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter) /* This is the first boot after power up */ QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC); - qlcnic_request_firmware(adapter); + if (load_fw_file) + qlcnic_request_firmware(adapter); + else + adapter->fw_type = QLCNIC_FLASH_ROMIMAGE; err = qlcnic_need_fw_reset(adapter); if (err < 0) @@ -672,7 +606,6 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter) msleep(1); } - QLCWR32(adapter, CRB_DMA_SHIFT, 0x55555555); QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); @@ -696,16 +629,18 @@ wait_init: goto err_out; QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); - - qlcnic_update_dma_mask(adapter); + qlcnic_idc_debug_info(adapter, 1); qlcnic_check_options(adapter); adapter->need_fw_reset = 0; - /* fall through and release firmware */ + qlcnic_release_firmware(adapter); + return 0; err_out: + QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); + dev_err(&adapter->pdev->dev, "Device state set to failed\n"); qlcnic_release_firmware(adapter); return err; } @@ -937,6 +872,7 @@ void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) struct qlcnic_host_sds_ring *sds_ring; int ring; + clear_bit(__QLCNIC_DEV_UP, &adapter->state); if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { for (ring = 0; ring < adapter->max_sds_rings; ring++) { sds_ring = &adapter->recv_ctx.sds_rings[ring]; @@ -950,11 +886,11 @@ void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) adapter->max_sds_rings = max_sds_rings; if (qlcnic_attach(adapter)) - return; + goto out; if (netif_running(netdev)) __qlcnic_up(adapter, netdev); - +out: netif_device_attach(netdev); } @@ -976,8 +912,10 @@ int qlcnic_diag_alloc_res(struct net_device *netdev, int test) adapter->diag_test = test; ret = qlcnic_attach(adapter); - if (ret) + if (ret) { + netif_device_attach(netdev); return ret; + } if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) { for (ring = 0; ring < adapter->max_sds_rings; ring++) { @@ -985,6 +923,7 @@ int qlcnic_diag_alloc_res(struct net_device *netdev, int test) qlcnic_enable_int(sds_ring); } } + set_bit(__QLCNIC_DEV_UP, &adapter->state); return 0; } @@ -1010,23 +949,19 @@ qlcnic_reset_context(struct qlcnic_adapter *adapter) if (netif_running(netdev)) { err = qlcnic_attach(adapter); if (!err) - err = __qlcnic_up(adapter, netdev); - - if (err) - goto done; + __qlcnic_up(adapter, netdev); } netif_device_attach(netdev); } -done: clear_bit(__QLCNIC_RESETTING, &adapter->state); return err; } static int qlcnic_setup_netdev(struct qlcnic_adapter *adapter, - struct net_device *netdev) + struct net_device *netdev, u8 pci_using_dac) { int err; struct pci_dev *pdev = adapter->pdev; @@ -1049,7 +984,7 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); - if (adapter->pci_using_dac) { + if (pci_using_dac) { netdev->features |= NETIF_F_HIGHDMA; netdev->vlan_features |= NETIF_F_HIGHDMA; } @@ -1079,6 +1014,22 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, return 0; } +static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac) +{ + if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && + !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) + *pci_using_dac = 1; + else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && + !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) + *pci_using_dac = 0; + else { + dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); + return -EIO; + } + + return 0; +} + static int __devinit qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -1087,6 +1038,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) int err; int pci_func_id = PCI_FUNC(pdev->devfn); uint8_t revision_id; + uint8_t pci_using_dac; err = pci_enable_device(pdev); if (err) @@ -1097,6 +1049,10 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_disable_pdev; } + err = qlcnic_set_dma_mask(pdev, &pci_using_dac); + if (err) + goto err_out_disable_pdev; + err = pci_request_regions(pdev, qlcnic_driver_name); if (err) goto err_out_disable_pdev; @@ -1115,6 +1071,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter = netdev_priv(netdev); adapter->netdev = netdev; adapter->pdev = pdev; + adapter->dev_rst_time = jiffies; adapter->ahw.pci_func = pci_func_id; revision_id = pdev->revision; @@ -1139,21 +1096,23 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_iounmap; } + if (qlcnic_read_mac_addr(adapter)) + dev_warn(&pdev->dev, "failed to read mac addr\n"); + + if (qlcnic_setup_idc_param(adapter)) + goto err_out_iounmap; err = qlcnic_start_firmware(adapter); - if (err) + if (err) { + dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); goto err_out_decr_ref; - - /* - * See if the firmware gave us a virtual-physical port mapping. - */ - adapter->physical_port = adapter->portnum; + } qlcnic_clear_stats(adapter); qlcnic_setup_intr(adapter); - err = qlcnic_setup_netdev(adapter, netdev); + err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); if (err) goto err_out_disable_msi; @@ -1304,9 +1263,6 @@ qlcnic_resume(struct pci_dev *pdev) pci_set_master(pdev); pci_restore_state(pdev); - adapter->ahw.crb_win = -1; - adapter->ahw.ocm_win = -1; - err = qlcnic_start_firmware(adapter); if (err) { dev_err(&pdev->dev, "failed to start firmware\n"); @@ -1334,6 +1290,7 @@ err_out_detach: qlcnic_detach(adapter); err_out: qlcnic_clr_all_drv_state(adapter); + netif_device_attach(netdev); return err; } #endif @@ -1570,6 +1527,11 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) int frag_count, no_of_desc; u32 num_txd = tx_ring->num_desc; + if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { + netif_stop_queue(netdev); + return NETDEV_TX_BUSY; + } + frag_count = skb_shinfo(skb)->nr_frags + 1; /* 4 fragments per cmd des */ @@ -1586,8 +1548,10 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) pdev = adapter->pdev; - if (qlcnic_map_tx_skb(pdev, skb, pbuf)) + if (qlcnic_map_tx_skb(pdev, skb, pbuf)) { + adapter->stats.tx_dma_map_error++; goto drop_packet; + } pbuf->skb = skb; pbuf->frag_count = frag_count; @@ -1739,6 +1703,7 @@ static void qlcnic_tx_timeout_task(struct work_struct *work) request_reset: adapter->need_fw_reset = 1; clear_bit(__QLCNIC_RESETTING, &adapter->state); + QLCDB(adapter, DRV, "Resetting adapter\n"); } static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) @@ -1750,7 +1715,7 @@ static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; stats->tx_packets = adapter->stats.xmitfinished; - stats->rx_bytes = adapter->stats.rxbytes; + stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; stats->tx_bytes = adapter->stats.txbytes; stats->rx_dropped = adapter->stats.rxdropped; stats->tx_dropped = adapter->stats.txdropped; @@ -1944,7 +1909,20 @@ static void qlcnic_poll_controller(struct net_device *netdev) #endif static void -qlcnic_set_drv_state(struct qlcnic_adapter *adapter, int state) +qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) +{ + u32 val; + + val = adapter->portnum & 0xf; + val |= encoding << 7; + val |= (jiffies - adapter->dev_rst_time) << 8; + + QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); + adapter->dev_rst_time = jiffies; +} + +static int +qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) { u32 val; @@ -1952,18 +1930,20 @@ qlcnic_set_drv_state(struct qlcnic_adapter *adapter, int state) state != QLCNIC_DEV_NEED_QUISCENT); if (qlcnic_api_lock(adapter)) - return ; + return -EIO; val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); if (state == QLCNIC_DEV_NEED_RESET) - val |= ((u32)0x1 << (adapter->portnum * 4)); + QLC_DEV_SET_RST_RDY(val, adapter->portnum); else if (state == QLCNIC_DEV_NEED_QUISCENT) - val |= ((u32)0x1 << ((adapter->portnum * 4) + 1)); + QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); + + return 0; } static int @@ -1975,7 +1955,7 @@ qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) return -EBUSY; val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val &= ~((u32)0x3 << (adapter->portnum * 4)); + QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); @@ -1992,14 +1972,14 @@ qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter) goto err; val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); - val &= ~((u32)0x1 << (adapter->portnum * 4)); + QLC_DEV_CLR_REF_CNT(val, adapter->portnum); QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); if (!(val & 0x11111111)) QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val &= ~((u32)0x3 << (adapter->portnum * 4)); + QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); @@ -2009,6 +1989,7 @@ err: clear_bit(__QLCNIC_RESETTING, &adapter->state); } +/* Grab api lock, before checking state */ static int qlcnic_check_drv_state(struct qlcnic_adapter *adapter) { @@ -2024,73 +2005,103 @@ qlcnic_check_drv_state(struct qlcnic_adapter *adapter) return 1; } +static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) +{ + u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER); + + if (val != QLCNIC_DRV_IDC_VER) { + dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" + " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); + } + + return 0; +} + static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) { u32 val, prev_state; - int cnt = 0; - int portnum = adapter->portnum; + u8 dev_init_timeo = adapter->dev_init_timeo; + u8 portnum = adapter->portnum; + u8 ret; + + if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) + return 1; if (qlcnic_api_lock(adapter)) return -1; val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT); - if (!(val & ((int)0x1 << (portnum * 4)))) { - val |= ((u32)0x1 << (portnum * 4)); + if (!(val & (1 << (portnum * 4)))) { + QLC_DEV_SET_REF_CNT(val, portnum); QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val); - } else if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) { - goto start_fw; } prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); + QLCDB(adapter, HW, "Device state = %u\n", prev_state); switch (prev_state) { case QLCNIC_DEV_COLD: -start_fw: - QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITALIZING); + QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); + QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER); + qlcnic_idc_debug_info(adapter, 0); qlcnic_api_unlock(adapter); return 1; case QLCNIC_DEV_READY: + ret = qlcnic_check_idc_ver(adapter); qlcnic_api_unlock(adapter); - return 0; + return ret; case QLCNIC_DEV_NEED_RESET: val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val |= ((u32)0x1 << (portnum * 4)); + QLC_DEV_SET_RST_RDY(val, portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); break; case QLCNIC_DEV_NEED_QUISCENT: val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val |= ((u32)0x1 << ((portnum * 4) + 1)); + QLC_DEV_SET_QSCNT_RDY(val, portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); break; case QLCNIC_DEV_FAILED: + dev_err(&adapter->pdev->dev, "Device in failed state.\n"); qlcnic_api_unlock(adapter); return -1; + + case QLCNIC_DEV_INITIALIZING: + case QLCNIC_DEV_QUISCENT: + break; } qlcnic_api_unlock(adapter); - msleep(1000); - while ((QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) != QLCNIC_DEV_READY) && - ++cnt < 20) + + do { msleep(1000); + prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); + + if (prev_state == QLCNIC_DEV_QUISCENT) + continue; + } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); - if (cnt >= 20) + if (!dev_init_timeo) { + dev_err(&adapter->pdev->dev, + "Waiting for device to initialize timeout\n"); return -1; + } if (qlcnic_api_lock(adapter)) return -1; val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); - val &= ~((u32)0x3 << (portnum * 4)); + QLC_DEV_CLR_RST_QSCNT(val, portnum); QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); + ret = qlcnic_check_idc_ver(adapter); qlcnic_api_unlock(adapter); - return 0; + return ret; } static void @@ -2098,44 +2109,84 @@ qlcnic_fwinit_work(struct work_struct *work) { struct qlcnic_adapter *adapter = container_of(work, struct qlcnic_adapter, fw_work.work); - int dev_state; + u32 dev_state = 0xf; - if (++adapter->fw_wait_cnt > FW_POLL_THRESH) + if (qlcnic_api_lock(adapter)) goto err_ret; - if (test_bit(__QLCNIC_START_FW, &adapter->state)) { + dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); + if (dev_state == QLCNIC_DEV_QUISCENT) { + qlcnic_api_unlock(adapter); + qlcnic_schedule_work(adapter, qlcnic_fwinit_work, + FW_POLL_DELAY * 2); + return; + } + + if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { + dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", + adapter->reset_ack_timeo); + goto skip_ack_check; + } + + if (!qlcnic_check_drv_state(adapter)) { +skip_ack_check: + dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); - if (qlcnic_check_drv_state(adapter)) { - qlcnic_schedule_work(adapter, - qlcnic_fwinit_work, FW_POLL_DELAY); + if (dev_state == QLCNIC_DEV_NEED_QUISCENT) { + QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_QUISCENT); + qlcnic_schedule_work(adapter, qlcnic_fwinit_work, + FW_POLL_DELAY * 2); + QLCDB(adapter, DRV, "Quiscing the driver\n"); + qlcnic_idc_debug_info(adapter, 0); + + qlcnic_api_unlock(adapter); return; } + if (dev_state == QLCNIC_DEV_NEED_RESET) { + QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, + QLCNIC_DEV_INITIALIZING); + set_bit(__QLCNIC_START_FW, &adapter->state); + QLCDB(adapter, DRV, "Restarting fw\n"); + qlcnic_idc_debug_info(adapter, 0); + } + + qlcnic_api_unlock(adapter); + if (!qlcnic_start_firmware(adapter)) { qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); return; } - goto err_ret; } + qlcnic_api_unlock(adapter); + dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); + QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); + switch (dev_state) { - case QLCNIC_DEV_READY: - if (!qlcnic_start_firmware(adapter)) { - qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); - return; - } + case QLCNIC_DEV_QUISCENT: + case QLCNIC_DEV_NEED_QUISCENT: + case QLCNIC_DEV_NEED_RESET: + qlcnic_schedule_work(adapter, + qlcnic_fwinit_work, FW_POLL_DELAY); + return; case QLCNIC_DEV_FAILED: break; default: - qlcnic_schedule_work(adapter, - qlcnic_fwinit_work, 2 * FW_POLL_DELAY); - return; + if (!qlcnic_start_firmware(adapter)) { + qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); + return; + } } err_ret: + dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " + "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); + netif_device_attach(adapter->netdev); qlcnic_clr_all_drv_state(adapter); } @@ -2163,7 +2214,8 @@ qlcnic_detach_work(struct work_struct *work) if (adapter->temp == QLCNIC_TEMP_PANIC) goto err_ret; - qlcnic_set_drv_state(adapter, adapter->dev_state); + if (qlcnic_set_drv_state(adapter, adapter->dev_state)) + goto err_ret; adapter->fw_wait_cnt = 0; @@ -2172,10 +2224,14 @@ qlcnic_detach_work(struct work_struct *work) return; err_ret: + dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n", + status, adapter->temp); + netif_device_attach(netdev); qlcnic_clr_all_drv_state(adapter); } +/*Transit to RESET state from READY state only */ static void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) { @@ -2186,9 +2242,10 @@ qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); - if (state != QLCNIC_DEV_INITALIZING && state != QLCNIC_DEV_NEED_RESET) { + if (state == QLCNIC_DEV_READY) { QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); - set_bit(__QLCNIC_START_FW, &adapter->state); + QLCDB(adapter, DRV, "NEED_RESET state set\n"); + qlcnic_idc_debug_info(adapter, 0); } qlcnic_api_unlock(adapter); @@ -2233,9 +2290,8 @@ qlcnic_attach_work(struct work_struct *work) qlcnic_config_indev_addr(netdev, NETDEV_UP); } - netif_device_attach(netdev); - done: + netif_device_attach(netdev); adapter->fw_fail_cnt = 0; clear_bit(__QLCNIC_RESETTING, &adapter->state); @@ -2253,10 +2309,8 @@ qlcnic_check_health(struct qlcnic_adapter *adapter) if (qlcnic_check_temp(adapter)) goto detach; - if (adapter->need_fw_reset) { + if (adapter->need_fw_reset) qlcnic_dev_request_reset(adapter); - goto detach; - } state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); if (state == QLCNIC_DEV_NEED_RESET || state == QLCNIC_DEV_NEED_QUISCENT) @@ -2285,8 +2339,11 @@ detach: QLCNIC_DEV_NEED_RESET; if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) && - !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) { + qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); + QLCDB(adapter, DRV, "fw recovery scheduled.\n"); + } return 1; } @@ -2387,51 +2444,72 @@ static int qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter, loff_t offset, size_t size) { + size_t crb_size = 4; + if (!(adapter->flags & QLCNIC_DIAG_ENABLED)) return -EIO; - if ((size != 4) || (offset & 0x3)) - return -EINVAL; + if (offset < QLCNIC_PCI_CRBSPACE) { + if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, + QLCNIC_PCI_CAMQM_END)) + crb_size = 8; + else + return -EINVAL; + } - if (offset < QLCNIC_PCI_CRBSPACE) - return -EINVAL; + if ((size != crb_size) || (offset & (crb_size-1))) + return -EINVAL; return 0; } static ssize_t -qlcnic_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr, +qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t offset, size_t size) { struct device *dev = container_of(kobj, struct device, kobj); struct qlcnic_adapter *adapter = dev_get_drvdata(dev); u32 data; + u64 qmdata; int ret; ret = qlcnic_sysfs_validate_crb(adapter, offset, size); if (ret != 0) return ret; - data = QLCRD32(adapter, offset); - memcpy(buf, &data, size); + if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { + qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); + memcpy(buf, &qmdata, size); + } else { + data = QLCRD32(adapter, offset); + memcpy(buf, &data, size); + } return size; } static ssize_t -qlcnic_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr, +qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t offset, size_t size) { struct device *dev = container_of(kobj, struct device, kobj); struct qlcnic_adapter *adapter = dev_get_drvdata(dev); u32 data; + u64 qmdata; int ret; ret = qlcnic_sysfs_validate_crb(adapter, offset, size); if (ret != 0) return ret; - memcpy(&data, buf, size); - QLCWR32(adapter, offset, data); + if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) { + memcpy(&qmdata, buf, size); + qlcnic_pci_camqm_write_2M(adapter, offset, qmdata); + } else { + memcpy(&data, buf, size); + QLCWR32(adapter, offset, data); + } return size; } @@ -2449,7 +2527,8 @@ qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter, } static ssize_t -qlcnic_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr, +qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t offset, size_t size) { struct device *dev = container_of(kobj, struct device, kobj); @@ -2470,7 +2549,8 @@ qlcnic_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr, } static ssize_t -qlcnic_sysfs_write_mem(struct kobject *kobj, struct bin_attribute *attr, +qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t offset, size_t size) { struct device *dev = container_of(kobj, struct device, kobj); @@ -2553,24 +2633,12 @@ qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) -static int -qlcnic_destip_supported(struct qlcnic_adapter *adapter) -{ - if (adapter->ahw.cut_through) - return 0; - - return 1; -} - static void qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) { struct in_device *indev; struct qlcnic_adapter *adapter = netdev_priv(dev); - if (!qlcnic_destip_supported(adapter)) - return; - indev = in_dev_get(dev); if (!indev) return; @@ -2591,7 +2659,6 @@ qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) } endfor_ifa(indev); in_dev_put(indev); - return; } static int qlcnic_netdev_event(struct notifier_block *this, @@ -2650,7 +2717,7 @@ recheck: adapter = netdev_priv(dev); - if (!adapter || !qlcnic_destip_supported(adapter)) + if (!adapter) goto done; if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) |