diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 1169 |
1 files changed, 785 insertions, 384 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 63cd67b931e..91d209a8f6c 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -49,13 +49,18 @@ char netxen_nic_driver_name[] = "netxen_nic"; static char netxen_nic_driver_string[] = "NetXen Network Driver version " NETXEN_NIC_LINUX_VERSIONID; -#define NETXEN_NETDEV_WEIGHT 120 -#define NETXEN_ADAPTER_UP_MAGIC 777 -#define NETXEN_NIC_PEG_TUNE 0 +static int port_mode = NETXEN_PORT_MODE_AUTO_NEG; + +/* Default to restricted 1G auto-neg mode */ +static int wol_port_mode = 5; + +static int use_msi = 1; + +static int use_msi_x = 1; /* Local functions to NetXen NIC driver */ static int __devinit netxen_nic_probe(struct pci_dev *pdev, - const struct pci_device_id *ent); + const struct pci_device_id *ent); static void __devexit netxen_nic_remove(struct pci_dev *pdev); static int netxen_nic_open(struct net_device *netdev); static int netxen_nic_close(struct net_device *netdev); @@ -83,6 +88,7 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = { ENTRY(0x0005), ENTRY(0x0024), ENTRY(0x0025), + ENTRY(0x0100), {0,} }; @@ -108,95 +114,61 @@ static struct workqueue_struct *netxen_workq; static void netxen_watchdog(unsigned long); -static void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, - uint32_t crb_producer) +static uint32_t crb_cmd_producer[4] = { + CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1, + CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3 +}; + +void +netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, + uint32_t crb_producer) { - switch (adapter->portnum) { - case 0: - writel(crb_producer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET)); - return; - case 1: - writel(crb_producer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET_1)); - return; - case 2: - writel(crb_producer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET_2)); - return; - case 3: - writel(crb_producer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET_3)); - return; - default: - printk(KERN_WARNING "We tried to update " - "CRB_CMD_PRODUCER_OFFSET for invalid " - "PCI function id %d\n", - adapter->portnum); - return; - } + adapter->pci_write_normalize(adapter, + adapter->crb_addr_cmd_producer, crb_producer); } -static void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, - u32 crb_consumer) +static uint32_t crb_cmd_consumer[4] = { + CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1, + CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3 +}; + +static inline void +netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, + u32 crb_consumer) { - switch (adapter->portnum) { - case 0: - writel(crb_consumer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_CONSUMER_OFFSET)); - return; - case 1: - writel(crb_consumer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_CONSUMER_OFFSET_1)); - return; - case 2: - writel(crb_consumer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_CONSUMER_OFFSET_2)); - return; - case 3: - writel(crb_consumer, NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_CONSUMER_OFFSET_3)); - return; - default: - printk(KERN_WARNING "We tried to update " - "CRB_CMD_PRODUCER_OFFSET for invalid " - "PCI function id %d\n", - adapter->portnum); - return; - } + adapter->pci_write_normalize(adapter, + adapter->crb_addr_cmd_consumer, crb_consumer); } -#define ADAPTER_LIST_SIZE 12 - -static uint32_t msi_tgt_status[4] = { +static uint32_t msi_tgt_status[8] = { ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, - ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3 + ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, + ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, + ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 }; -static uint32_t sw_int_mask[4] = { - CRB_SW_INT_MASK_0, CRB_SW_INT_MASK_1, - CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3 -}; +static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; static void netxen_nic_disable_int(struct netxen_adapter *adapter) { u32 mask = 0x7ff; int retries = 32; - int port = adapter->portnum; int pci_fn = adapter->ahw.pci_func; if (adapter->msi_mode != MSI_MODE_MULTIFUNC) - writel(0x0, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port])); + adapter->pci_write_normalize(adapter, + adapter->crb_intr_mask, 0); if (adapter->intr_scheme != -1 && adapter->intr_scheme != INTR_SCHEME_PERPORT) - writel(mask,PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); + adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask); - if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + if (!NETXEN_IS_MSI_FAMILY(adapter)) { do { - writel(0xffffffff, - PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS)); - mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR)); + adapter->pci_write_immediate(adapter, + ISR_INT_TARGET_STATUS, 0xffffffff); + mask = adapter->pci_read_immediate(adapter, + ISR_INT_VECTOR); if (!(mask & 0x80)) break; udelay(10); @@ -208,8 +180,8 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter) } } else { if (adapter->msi_mode == MSI_MODE_MULTIFUNC) { - writel(0xffffffff, PCI_OFFSET_SECOND_RANGE(adapter, - msi_tgt_status[pci_fn])); + adapter->pci_write_immediate(adapter, + msi_tgt_status[pci_fn], 0xffffffff); } } } @@ -217,7 +189,6 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter) static void netxen_nic_enable_int(struct netxen_adapter *adapter) { u32 mask; - int port = adapter->portnum; DPRINTK(1, INFO, "Entered ISR Enable \n"); @@ -235,24 +206,299 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter) break; } - writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); + adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask); } - writel(0x1, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port])); + adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0x1); - if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + if (!NETXEN_IS_MSI_FAMILY(adapter)) { mask = 0xbff; if (adapter->intr_scheme != -1 && adapter->intr_scheme != INTR_SCHEME_PERPORT) { - writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); + adapter->pci_write_normalize(adapter, + CRB_INT_VECTOR, 0); } - writel(mask, - PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK)); + adapter->pci_write_immediate(adapter, + ISR_INT_TARGET_MASK, mask); } DPRINTK(1, INFO, "Done with enable Int\n"); } +static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id) +{ + struct pci_dev *pdev = adapter->pdev; + int err; + uint64_t mask; + +#ifdef CONFIG_IA64 + adapter->dma_mask = DMA_32BIT_MASK; +#else + if (revision_id >= NX_P3_B0) { + /* should go to DMA_64BIT_MASK */ + adapter->dma_mask = DMA_39BIT_MASK; + mask = DMA_39BIT_MASK; + } else if (revision_id == NX_P3_A2) { + adapter->dma_mask = DMA_39BIT_MASK; + mask = DMA_39BIT_MASK; + } else if (revision_id == NX_P2_C1) { + adapter->dma_mask = DMA_35BIT_MASK; + mask = DMA_35BIT_MASK; + } else { + adapter->dma_mask = DMA_32BIT_MASK; + mask = DMA_32BIT_MASK; + goto set_32_bit_mask; + } + + /* + * Consistent DMA mask is set to 32 bit because it cannot be set to + * 35 bits. For P3 also leave it at 32 bits for now. Only the rings + * come off this pool. + */ + if (pci_set_dma_mask(pdev, mask) == 0 && + pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) == 0) { + adapter->pci_using_dac = 1; + return 0; + } +#endif /* CONFIG_IA64 */ + +set_32_bit_mask: + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (!err) + err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + DPRINTK(ERR, "No usable DMA configuration, aborting:%d\n", err); + return err; + } + + adapter->pci_using_dac = 0; + return 0; +} + +static void netxen_check_options(struct netxen_adapter *adapter) +{ + switch (adapter->ahw.boardcfg.board_type) { + case NETXEN_BRDTYPE_P3_HMEZ: + case NETXEN_BRDTYPE_P3_XG_LOM: + case NETXEN_BRDTYPE_P3_10G_CX4: + case NETXEN_BRDTYPE_P3_10G_CX4_LP: + case NETXEN_BRDTYPE_P3_IMEZ: + case NETXEN_BRDTYPE_P3_10G_SFP_PLUS: + case NETXEN_BRDTYPE_P3_10G_XFP: + case NETXEN_BRDTYPE_P3_10000_BASE_T: + adapter->msix_supported = !!use_msi_x; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G; + break; + + case NETXEN_BRDTYPE_P2_SB31_10G: + case NETXEN_BRDTYPE_P2_SB31_10G_CX4: + case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: + case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: + adapter->msix_supported = 0; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G; + break; + + case NETXEN_BRDTYPE_P3_REF_QG: + case NETXEN_BRDTYPE_P3_4_GB: + case NETXEN_BRDTYPE_P3_4_GB_MM: + case NETXEN_BRDTYPE_P2_SB35_4G: + case NETXEN_BRDTYPE_P2_SB31_2G: + adapter->msix_supported = 0; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G; + break; + + default: + adapter->msix_supported = 0; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G; + + printk(KERN_WARNING "Unknown board type(0x%x)\n", + adapter->ahw.boardcfg.board_type); + break; + } + + adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST; + adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS; + adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS; + + adapter->max_possible_rss_rings = 1; + return; +} + +static int +netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot) +{ + int ret = 0; + + if (first_boot == 0x55555555) { + /* This is the first boot after power up */ + + /* PCI bus master workaround */ + adapter->hw_read_wx(adapter, + NETXEN_PCIE_REG(0x4), &first_boot, 4); + if (!(first_boot & 0x4)) { + first_boot |= 0x4; + adapter->hw_write_wx(adapter, + NETXEN_PCIE_REG(0x4), &first_boot, 4); + adapter->hw_read_wx(adapter, + NETXEN_PCIE_REG(0x4), &first_boot, 4); + } + + /* This is the first boot after power up */ + adapter->hw_read_wx(adapter, + NETXEN_ROMUSB_GLB_SW_RESET, &first_boot, 4); + if (first_boot != 0x80000f) { + /* clear the register for future unloads/loads */ + adapter->pci_write_normalize(adapter, + NETXEN_CAM_RAM(0x1fc), 0); + ret = -1; + } + + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { + /* Start P2 boot loader */ + adapter->pci_write_normalize(adapter, + NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); + adapter->pci_write_normalize(adapter, + NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1); + } + } + return ret; +} + +static void netxen_set_port_mode(struct netxen_adapter *adapter) +{ + u32 val, data; + + val = adapter->ahw.boardcfg.board_type; + if ((val == NETXEN_BRDTYPE_P3_HMEZ) || + (val == NETXEN_BRDTYPE_P3_XG_LOM)) { + if (port_mode == NETXEN_PORT_MODE_802_3_AP) { + data = NETXEN_PORT_MODE_802_3_AP; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } else if (port_mode == NETXEN_PORT_MODE_XG) { + data = NETXEN_PORT_MODE_XG; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) { + data = NETXEN_PORT_MODE_AUTO_NEG_1G; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) { + data = NETXEN_PORT_MODE_AUTO_NEG_XG; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } else { + data = NETXEN_PORT_MODE_AUTO_NEG; + adapter->hw_write_wx(adapter, + NETXEN_PORT_MODE_ADDR, &data, 4); + } + + if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) && + (wol_port_mode != NETXEN_PORT_MODE_XG) && + (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) && + (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) { + wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG; + } + adapter->hw_write_wx(adapter, NETXEN_WOL_PORT_MODE, + &wol_port_mode, 4); + } +} + +#define PCI_CAP_ID_GEN 0x10 + +static void netxen_pcie_strap_init(struct netxen_adapter *adapter) +{ + u32 pdevfuncsave; + u32 c8c9value = 0; + u32 chicken = 0; + u32 control = 0; + int i, pos; + struct pci_dev *pdev; + + pdev = pci_get_device(0x1166, 0x0140, NULL); + if (pdev) { + pci_dev_put(pdev); + adapter->hw_read_wx(adapter, + NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4); + chicken |= 0x4000; + adapter->hw_write_wx(adapter, + NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4); + } + + pdev = adapter->pdev; + + adapter->hw_read_wx(adapter, + NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4); + /* clear chicken3.25:24 */ + chicken &= 0xFCFFFFFF; + /* + * if gen1 and B0, set F1020 - if gen 2, do nothing + * if gen2 set to F1000 + */ + pos = pci_find_capability(pdev, PCI_CAP_ID_GEN); + if (pos == 0xC0) { + pci_read_config_dword(pdev, pos + 0x10, &control); + if ((control & 0x000F0000) != 0x00020000) { + /* set chicken3.24 if gen1 */ + chicken |= 0x01000000; + } + printk(KERN_INFO "%s Gen2 strapping detected\n", + netxen_nic_driver_name); + c8c9value = 0xF1000; + } else { + /* set chicken3.24 if gen1 */ + chicken |= 0x01000000; + printk(KERN_INFO "%s Gen1 strapping detected\n", + netxen_nic_driver_name); + if (adapter->ahw.revision_id == NX_P3_B0) + c8c9value = 0xF1020; + else + c8c9value = 0; + + } + adapter->hw_write_wx(adapter, + NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4); + + if (!c8c9value) + return; + + pdevfuncsave = pdev->devfn; + if (pdevfuncsave & 0x07) + return; + + for (i = 0; i < 8; i++) { + pci_read_config_dword(pdev, pos + 8, &control); + pci_read_config_dword(pdev, pos + 8, &control); + pci_write_config_dword(pdev, pos + 8, c8c9value); + pdev->devfn++; + } + pdev->devfn = pdevfuncsave; +} + +static void netxen_set_msix_bit(struct pci_dev *pdev, int enable) +{ + u32 control; + int pos; + + pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); + if (pos) { + pci_read_config_dword(pdev, pos, &control); + if (enable) + control |= PCI_MSIX_FLAGS_ENABLE; + else + control = 0; + pci_write_config_dword(pdev, pos, control); + } +} + +static void netxen_init_msix_entries(struct netxen_adapter *adapter) +{ + int i; + + for (i = 0; i < MSIX_ENTRIES_PER_ADAPTER; i++) + adapter->msix_entries[i].entry = i; +} + /* * netxen_nic_probe() * @@ -278,28 +524,28 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) u8 __iomem *db_ptr = NULL; - unsigned long mem_base, mem_len, db_base, db_len; - int pci_using_dac, i = 0, err; - int ring; - struct netxen_recv_context *recv_ctx = NULL; - struct netxen_rcv_desc_ctx *rcv_desc = NULL; - struct netxen_cmd_buffer *cmd_buf_arr = NULL; + unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0; + int i = 0, err; + int first_driver, first_boot; __le64 mac_addr[FLASH_NUM_PORTS + 1]; - int valid_mac = 0; u32 val; int pci_func_id = PCI_FUNC(pdev->devfn); DECLARE_MAC_BUF(mac); + struct netxen_legacy_intr_set *legacy_intrp; + uint8_t revision_id; if (pci_func_id == 0) - printk(KERN_INFO "%s \n", netxen_nic_driver_string); + printk(KERN_INFO "%s\n", netxen_nic_driver_string); if (pdev->class != 0x020000) { printk(KERN_DEBUG "NetXen function %d, class %x will not " "be enabled.\n",pci_func_id, pdev->class); return -ENODEV; } + if ((err = pci_enable_device(pdev))) return err; + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { err = -ENODEV; goto err_out_disable_pdev; @@ -309,18 +555,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_disable_pdev; pci_set_master(pdev); - if (pdev->revision == NX_P2_C1 && - (pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) && - (pci_set_consistent_dma_mask(pdev, DMA_35BIT_MASK) == 0)) { - pci_using_dac = 1; - } else { - if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) || - (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) - goto err_out_free_res; - - pci_using_dac = 0; - } - netdev = alloc_etherdev(sizeof(struct netxen_adapter)); if(!netdev) { @@ -333,13 +567,35 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) SET_NETDEV_DEV(netdev, &pdev->dev); adapter = netdev->priv; - - adapter->ahw.pdev = pdev; + adapter->netdev = netdev; + adapter->pdev = pdev; adapter->ahw.pci_func = pci_func_id; + revision_id = pdev->revision; + adapter->ahw.revision_id = revision_id; + + err = nx_set_dma_mask(adapter, revision_id); + if (err) + goto err_out_free_netdev; + + rwlock_init(&adapter->adapter_lock); + adapter->ahw.qdr_sn_window = -1; + adapter->ahw.ddr_mn_window = -1; + /* remap phys address */ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ mem_len = pci_resource_len(pdev, 0); + pci_len0 = 0; + + adapter->hw_write_wx = netxen_nic_hw_write_wx_128M; + adapter->hw_read_wx = netxen_nic_hw_read_wx_128M; + adapter->pci_read_immediate = netxen_nic_pci_read_immediate_128M; + adapter->pci_write_immediate = netxen_nic_pci_write_immediate_128M; + adapter->pci_read_normalize = netxen_nic_pci_read_normalize_128M; + adapter->pci_write_normalize = netxen_nic_pci_write_normalize_128M; + adapter->pci_set_window = netxen_nic_pci_set_window_128M; + adapter->pci_mem_read = netxen_nic_pci_mem_read_128M; + adapter->pci_mem_write = netxen_nic_pci_mem_write_128M; /* 128 Meg of memory */ if (mem_len == NETXEN_PCI_128MB_SIZE) { @@ -356,27 +612,48 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); first_page_group_start = 0; first_page_group_end = 0; + } else if (mem_len == NETXEN_PCI_2MB_SIZE) { + adapter->hw_write_wx = netxen_nic_hw_write_wx_2M; + adapter->hw_read_wx = netxen_nic_hw_read_wx_2M; + adapter->pci_read_immediate = netxen_nic_pci_read_immediate_2M; + adapter->pci_write_immediate = + netxen_nic_pci_write_immediate_2M; + adapter->pci_read_normalize = netxen_nic_pci_read_normalize_2M; + adapter->pci_write_normalize = + netxen_nic_pci_write_normalize_2M; + adapter->pci_set_window = netxen_nic_pci_set_window_2M; + adapter->pci_mem_read = netxen_nic_pci_mem_read_2M; + adapter->pci_mem_write = netxen_nic_pci_mem_write_2M; + + mem_ptr0 = ioremap(mem_base, mem_len); + pci_len0 = mem_len; + first_page_group_start = 0; + first_page_group_end = 0; + + adapter->ahw.ddr_mn_window = 0; + adapter->ahw.qdr_sn_window = 0; + + adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW + + (pci_func_id * 0x20); + adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW; + if (pci_func_id < 4) + adapter->ahw.ms_win_crb += (pci_func_id * 0x20); + else + adapter->ahw.ms_win_crb += + 0xA0 + ((pci_func_id - 4) * 0x10); } else { err = -EIO; goto err_out_free_netdev; } - if ((!mem_ptr0 && mem_len == NETXEN_PCI_128MB_SIZE) || - !mem_ptr1 || !mem_ptr2) { - DPRINTK(ERR, - "Cannot remap adapter memory aborting.:" - "0 -> %p, 1 -> %p, 2 -> %p\n", - mem_ptr0, mem_ptr1, mem_ptr2); + dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); - err = -EIO; - goto err_out_iounmap; - } db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ db_len = pci_resource_len(pdev, 4); if (db_len == 0) { printk(KERN_ERR "%s: doorbell is disabled\n", - netxen_nic_driver_name); + netxen_nic_driver_name); err = -EIO; goto err_out_iounmap; } @@ -386,13 +663,14 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); if (!db_ptr) { printk(KERN_ERR "%s: Failed to allocate doorbell map.", - netxen_nic_driver_name); + netxen_nic_driver_name); err = -EIO; goto err_out_iounmap; } DPRINTK(INFO, "doorbell ioremaped at %p\n", db_ptr); adapter->ahw.pci_base0 = mem_ptr0; + adapter->ahw.pci_len0 = pci_len0; adapter->ahw.first_page_group_start = first_page_group_start; adapter->ahw.first_page_group_end = first_page_group_end; adapter->ahw.pci_base1 = mem_ptr1; @@ -400,11 +678,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->ahw.db_base = db_ptr; adapter->ahw.db_len = db_len; - adapter->netdev = netdev; - adapter->pdev = pdev; - netif_napi_add(netdev, &adapter->napi, - netxen_nic_poll, NETXEN_NETDEV_WEIGHT); + netxen_nic_poll, NETXEN_NETDEV_WEIGHT); + + if (revision_id >= NX_P3_B0) + legacy_intrp = &legacy_intr[pci_func_id]; + else + legacy_intrp = &legacy_intr[0]; + + adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit; + adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg; + adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg; + adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg; /* this will be read from FW later */ adapter->intr_scheme = -1; @@ -414,12 +699,23 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->portnum = pci_func_id; adapter->status &= ~NETXEN_NETDEV_STATUS; adapter->rx_csum = 1; + adapter->mc_enabled = 0; + if (NX_IS_REVISION_P3(revision_id)) { + adapter->max_mc_count = 38; + adapter->max_rds_rings = 2; + } else { + adapter->max_mc_count = 16; + adapter->max_rds_rings = 3; + } netdev->open = netxen_nic_open; netdev->stop = netxen_nic_close; netdev->hard_start_xmit = netxen_nic_xmit_frame; netdev->get_stats = netxen_nic_get_stats; - netdev->set_multicast_list = netxen_nic_set_multi; + if (NX_IS_REVISION_P3(revision_id)) + netdev->set_multicast_list = netxen_p3_nic_set_multi; + else + netdev->set_multicast_list = netxen_p2_nic_set_multi; netdev->set_mac_address = netxen_nic_set_mac; netdev->change_mtu = netxen_nic_change_mtu; netdev->tx_timeout = netxen_tx_timeout; @@ -435,18 +731,14 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->features = NETIF_F_SG; netdev->features |= NETIF_F_IP_CSUM; netdev->features |= NETIF_F_TSO; + if (NX_IS_REVISION_P3(revision_id)) { + netdev->features |= NETIF_F_IPV6_CSUM; + netdev->features |= NETIF_F_TSO6; + } - if (pci_using_dac) + if (adapter->pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; - if (pci_enable_msi(pdev)) - adapter->flags &= ~NETXEN_NIC_MSI_ENABLED; - else - adapter->flags |= NETXEN_NIC_MSI_ENABLED; - - netdev->irq = pdev->irq; - INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); - /* * 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. @@ -455,87 +747,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (netxen_nic_get_board_info(adapter) != 0) { printk("%s: Error getting board config info.\n", - netxen_nic_driver_name); + netxen_nic_driver_name); err = -EIO; goto err_out_iounmap; } - /* - * Adapter in our case is quad port so initialize it before - * initializing the ports - */ - netxen_initialize_adapter_ops(adapter); - adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST; - if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB35_4G) || - (adapter->ahw.boardcfg.board_type == - NETXEN_BRDTYPE_P2_SB31_2G)) - adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G; - else - adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS; - adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS; - adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS; - - cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE); - if (cmd_buf_arr == NULL) { - printk(KERN_ERR - "%s: Could not allocate cmd_buf_arr memory:%d\n", - netxen_nic_driver_name, (int)TX_RINGSIZE); - err = -ENOMEM; - goto err_out_free_adapter; - } - memset(cmd_buf_arr, 0, TX_RINGSIZE); - adapter->cmd_buf_arr = cmd_buf_arr; - - for (i = 0; i < MAX_RCV_CTX; ++i) { - recv_ctx = &adapter->recv_ctx[i]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - switch (RCV_DESC_TYPE(ring)) { - case RCV_DESC_NORMAL: - rcv_desc->max_rx_desc_count = - adapter->max_rx_desc_count; - rcv_desc->flags = RCV_DESC_NORMAL; - rcv_desc->dma_size = RX_DMA_MAP_LEN; - rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH; - break; - - case RCV_DESC_JUMBO: - rcv_desc->max_rx_desc_count = - adapter->max_jumbo_rx_desc_count; - rcv_desc->flags = RCV_DESC_JUMBO; - rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN; - rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH; - break; - - case RCV_RING_LRO: - rcv_desc->max_rx_desc_count = - adapter->max_lro_rx_desc_count; - rcv_desc->flags = RCV_DESC_LRO; - rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN; - rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH; - break; - - } - rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *) - vmalloc(RCV_BUFFSIZE); - - if (rcv_desc->rx_buf_arr == NULL) { - printk(KERN_ERR "%s: Could not allocate " - "rcv_desc->rx_buf_arr memory:%d\n", - netxen_nic_driver_name, - (int)RCV_BUFFSIZE); - err = -ENOMEM; - goto err_out_free_rx_buffer; - } - memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE); - } - - } - - netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */ - /* Mezz cards have PCI function 0,2,3 enabled */ switch (adapter->ahw.boardcfg.board_type) { case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: @@ -547,90 +765,71 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) break; } - init_timer(&adapter->watchdog_timer); - adapter->ahw.xg_linkup = 0; - adapter->watchdog_timer.function = &netxen_watchdog; - adapter->watchdog_timer.data = (unsigned long)adapter; - INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); - adapter->ahw.pdev = pdev; - adapter->ahw.revision_id = pdev->revision; - - /* make sure Window == 1 */ - netxen_nic_pci_change_crbwindow(adapter, 1); + /* + * This call will setup various max rx/tx counts. + * It must be done before any buffer/ring allocations. + */ + netxen_check_options(adapter); + first_driver = 0; + if (NX_IS_REVISION_P3(revision_id)) { + if (adapter->ahw.pci_func == 0) + first_driver = 1; + } else { + if (adapter->portnum == 0) + first_driver = 1; + } + adapter->crb_addr_cmd_producer = crb_cmd_producer[adapter->portnum]; + adapter->crb_addr_cmd_consumer = crb_cmd_consumer[adapter->portnum]; netxen_nic_update_cmd_producer(adapter, 0); netxen_nic_update_cmd_consumer(adapter, 0); - writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); - if (netxen_is_flash_supported(adapter) == 0 && - netxen_get_flash_mac_addr(adapter, mac_addr) == 0) - valid_mac = 1; - else - valid_mac = 0; - - if (valid_mac) { - unsigned char *p = (unsigned char *)&mac_addr[adapter->portnum]; - netdev->dev_addr[0] = *(p + 5); - netdev->dev_addr[1] = *(p + 4); - netdev->dev_addr[2] = *(p + 3); - netdev->dev_addr[3] = *(p + 2); - netdev->dev_addr[4] = *(p + 1); - netdev->dev_addr[5] = *(p + 0); + if (first_driver) { + first_boot = adapter->pci_read_normalize(adapter, + NETXEN_CAM_RAM(0x1fc)); - memcpy(netdev->perm_addr, netdev->dev_addr, - netdev->addr_len); - if (!is_valid_ether_addr(netdev->perm_addr)) { - printk(KERN_ERR "%s: Bad MAC address %s.\n", - netxen_nic_driver_name, - print_mac(mac, netdev->dev_addr)); - } else { - if (adapter->macaddr_set) - adapter->macaddr_set(adapter, - netdev->dev_addr); + err = netxen_check_hw_init(adapter, first_boot); + if (err) { + printk(KERN_ERR "%s: error in init HW init sequence\n", + netxen_nic_driver_name); + goto err_out_iounmap; } - } - if (adapter->portnum == 0) { - err = netxen_initialize_adapter_offload(adapter); - if (err) - goto err_out_free_rx_buffer; - val = readl(NETXEN_CRB_NORMALIZE(adapter, - NETXEN_CAM_RAM(0x1fc))); - if (val == 0x55555555) { - /* This is the first boot after power up */ - netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val); - if (!(val & 0x4)) { - val |= 0x4; - netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val); - netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val); - if (!(val & 0x4)) - printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n", - netxen_nic_driver_name); - } - val = readl(NETXEN_CRB_NORMALIZE(adapter, - NETXEN_ROMUSB_GLB_SW_RESET)); - printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val); - if (val != 0x80000f) { - /* clear the register for future unloads/loads */ - writel(0, NETXEN_CRB_NORMALIZE(adapter, - NETXEN_CAM_RAM(0x1fc))); - printk(KERN_ERR "ERROR in NetXen HW init sequence.\n"); - err = -ENODEV; - goto err_out_free_dev; - } - } else { - writel(0, NETXEN_CRB_NORMALIZE(adapter, - CRB_CMDPEG_STATE)); + if (NX_IS_REVISION_P3(revision_id)) + netxen_set_port_mode(adapter); + + if (first_boot != 0x55555555) { + adapter->pci_write_normalize(adapter, + CRB_CMDPEG_STATE, 0); netxen_pinit_from_rom(adapter, 0); msleep(1); netxen_load_firmware(adapter); - netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); } - /* clear the register for future unloads/loads */ - writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc))); - dev_info(&pdev->dev, "cmdpeg state: 0x%0x\n", - readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE))); + if (NX_IS_REVISION_P3(revision_id)) + netxen_pcie_strap_init(adapter); + + if (NX_IS_REVISION_P2(revision_id)) { + + /* Initialize multicast addr pool owners */ + val = 0x7654; + if (adapter->ahw.board_type == NETXEN_NIC_XGBE) + val |= 0x0f000000; + netxen_crb_writelit_adapter(adapter, + NETXEN_MAC_ADDR_CNTL_REG, val); + + } + + if ((first_boot == 0x55555555) && + (NX_IS_REVISION_P2(revision_id))) { + /* Unlock the HW, prompting the boot sequence */ + adapter->pci_write_normalize(adapter, + NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1); + } + + err = netxen_initialize_adapter_offload(adapter); + if (err) + goto err_out_iounmap; /* * Tell the hardware our version number. @@ -638,24 +837,101 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) i = (_NETXEN_NIC_LINUX_MAJOR << 16) | ((_NETXEN_NIC_LINUX_MINOR << 8)) | (_NETXEN_NIC_LINUX_SUBVERSION); - writel(i, NETXEN_CRB_NORMALIZE(adapter, CRB_DRIVER_VERSION)); + adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i); - /* Unlock the HW, prompting the boot sequence */ - writel(1, - NETXEN_CRB_NORMALIZE(adapter, - NETXEN_ROMUSB_GLB_PEGTUNE_DONE)); /* Handshake with the card before we register the devices. */ netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); + + } /* first_driver */ + + netxen_nic_flash_print(adapter); + + if (NX_IS_REVISION_P3(revision_id)) { + adapter->hw_read_wx(adapter, + NETXEN_MIU_MN_CONTROL, &val, 4); + adapter->ahw.cut_through = (val & 0x4) ? 1 : 0; + dev_info(&pdev->dev, "firmware running in %s mode\n", + adapter->ahw.cut_through ? "cut through" : "legacy"); } /* * See if the firmware gave us a virtual-physical port mapping. */ adapter->physical_port = adapter->portnum; - i = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_V2P(adapter->portnum))); + i = adapter->pci_read_normalize(adapter, CRB_V2P(adapter->portnum)); if (i != 0x55555555) adapter->physical_port = i; + adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); + + netxen_set_msix_bit(pdev, 0); + + if (NX_IS_REVISION_P3(revision_id)) { + if ((mem_len != NETXEN_PCI_128MB_SIZE) && + mem_len != NETXEN_PCI_2MB_SIZE) + adapter->msix_supported = 0; + } + + if (adapter->msix_supported) { + + netxen_init_msix_entries(adapter); + + if (pci_enable_msix(pdev, adapter->msix_entries, + MSIX_ENTRIES_PER_ADAPTER)) + goto request_msi; + + adapter->flags |= NETXEN_NIC_MSIX_ENABLED; + netxen_set_msix_bit(pdev, 1); + dev_info(&pdev->dev, "using msi-x interrupts\n"); + + } else { +request_msi: + if (use_msi && !pci_enable_msi(pdev)) { + adapter->flags |= NETXEN_NIC_MSI_ENABLED; + dev_info(&pdev->dev, "using msi interrupts\n"); + } else + dev_info(&pdev->dev, "using legacy interrupts\n"); + } + + if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) + netdev->irq = adapter->msix_entries[0].vector; + else + netdev->irq = pdev->irq; + + err = netxen_receive_peg_ready(adapter); + if (err) + goto err_out_disable_msi; + + init_timer(&adapter->watchdog_timer); + adapter->ahw.linkup = 0; + adapter->watchdog_timer.function = &netxen_watchdog; + adapter->watchdog_timer.data = (unsigned long)adapter; + INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); + INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); + + if (netxen_is_flash_supported(adapter) == 0 && + netxen_get_flash_mac_addr(adapter, mac_addr) == 0) { + unsigned char *p; + + p = (unsigned char *)&mac_addr[adapter->portnum]; + netdev->dev_addr[0] = *(p + 5); + netdev->dev_addr[1] = *(p + 4); + netdev->dev_addr[2] = *(p + 3); + netdev->dev_addr[3] = *(p + 2); + netdev->dev_addr[4] = *(p + 1); + netdev->dev_addr[5] = *(p + 0); + + memcpy(netdev->perm_addr, netdev->dev_addr, + netdev->addr_len); + if (!is_valid_ether_addr(netdev->perm_addr)) { + printk(KERN_ERR "%s: Bad MAC address %s.\n", + netxen_nic_driver_name, + print_mac(mac, netdev->dev_addr)); + } else { + adapter->macaddr_set(adapter, netdev->dev_addr); + } + } + netif_carrier_off(netdev); netif_stop_queue(netdev); @@ -664,41 +940,37 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) " aborting\n", netxen_nic_driver_name, adapter->portnum); err = -EIO; - goto err_out_free_dev; + goto err_out_disable_msi; } - netxen_nic_flash_print(adapter); pci_set_drvdata(pdev, adapter); - return 0; - -err_out_free_dev: - if (adapter->portnum == 0) - netxen_free_adapter_offload(adapter); - -err_out_free_rx_buffer: - for (i = 0; i < MAX_RCV_CTX; ++i) { - recv_ctx = &adapter->recv_ctx[i]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - if (rcv_desc->rx_buf_arr != NULL) { - vfree(rcv_desc->rx_buf_arr); - rcv_desc->rx_buf_arr = NULL; - } - } + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", + adapter->netdev-> |