diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 1165 |
1 files changed, 644 insertions, 521 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 13087782ac40..1af47257ba82 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2003 - 2006 NetXen, Inc. + * Copyright (C) 2003 - 2009 NetXen, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or @@ -22,12 +22,9 @@ * * Contact Information: * info@netxen.com - * NetXen, - * 3965 Freedom Circle, Fourth floor, - * Santa Clara, CA 95054 - * - * - * Main source file for NetXen NIC Driver on Linux + * NetXen Inc, + * 18922 Forge Drive + * Cupertino, CA 95014-0701 * */ @@ -97,20 +94,6 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = { MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); -/* - * In netxen_nic_down(), we must wait for any pending callback requests into - * netxen_watchdog_task() to complete; eg otherwise the watchdog_timer could be - * reenabled right after it is deleted in netxen_nic_down(). - * FLUSH_SCHEDULED_WORK() does this synchronization. - * - * Normally, schedule_work()/flush_scheduled_work() could have worked, but - * netxen_nic_close() is invoked with kernel rtnl lock held. netif_carrier_off() - * call in netxen_nic_close() triggers a schedule_work(&linkwatch_work), and a - * subsequent call to flush_scheduled_work() in netxen_nic_down() would cause - * linkwatch_event() to be executed which also attempts to acquire the rtnl - * lock thus causing a deadlock. - */ - static struct workqueue_struct *netxen_workq; #define SCHEDULE_WORK(tp) queue_work(netxen_workq, tp) #define FLUSH_SCHEDULED_WORK() flush_workqueue(netxen_workq) @@ -152,130 +135,148 @@ static uint32_t msi_tgt_status[8] = { static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG; -static inline void netxen_nic_disable_int(struct netxen_adapter *adapter) +static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring) { - adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0); + struct netxen_adapter *adapter = sds_ring->adapter; + + adapter->pci_write_normalize(adapter, sds_ring->crb_intr_mask, 0); } -static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) +static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring) { - adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0x1); + struct netxen_adapter *adapter = sds_ring->adapter; + + adapter->pci_write_normalize(adapter, sds_ring->crb_intr_mask, 0x1); if (!NETXEN_IS_MSI_FAMILY(adapter)) adapter->pci_write_immediate(adapter, adapter->legacy_intr.tgt_mask_reg, 0xfbff); } +static void +netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev) +{ + int ring; + struct nx_host_sds_ring *sds_ring; + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; + + if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) + adapter->max_sds_rings = (num_online_cpus() >= 4) ? 4 : 2; + else + adapter->max_sds_rings = 1; + + for (ring = 0; ring < adapter->max_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + netif_napi_add(netdev, &sds_ring->napi, + netxen_nic_poll, NETXEN_NETDEV_WEIGHT); + } +} + +static void +netxen_napi_enable(struct netxen_adapter *adapter) +{ + int ring; + struct nx_host_sds_ring *sds_ring; + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; + + for (ring = 0; ring < adapter->max_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + napi_enable(&sds_ring->napi); + netxen_nic_enable_int(sds_ring); + } +} + +static void +netxen_napi_disable(struct netxen_adapter *adapter) +{ + int ring; + struct nx_host_sds_ring *sds_ring; + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; + + for (ring = 0; ring < adapter->max_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + netxen_nic_disable_int(sds_ring); + napi_disable(&sds_ring->napi); + } +} + 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; - } + uint64_t mask, cmask; + adapter->pci_using_dac = 0; + + mask = DMA_32BIT_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. */ + cmask = DMA_32BIT_MASK; + +#ifndef CONFIG_IA64 + if (revision_id >= NX_P3_B0) + mask = DMA_39BIT_MASK; + else if (revision_id == NX_P2_C1) + mask = DMA_35BIT_MASK; +#endif if (pci_set_dma_mask(pdev, mask) == 0 && - pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) == 0) { + pci_set_consistent_dma_mask(pdev, cmask) == 0) { adapter->pci_using_dac = 1; return 0; } -set_32_bit_mask: -#endif /* CONFIG_IA64 */ - 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; + return -EIO; +} + +/* Update addressable range if firmware supports it */ +static int +nx_update_dma_mask(struct netxen_adapter *adapter) +{ + int change, shift, err; + uint64_t mask, old_mask; + struct pci_dev *pdev = adapter->pdev; + + change = 0; + + shift = netxen_nic_reg_read(adapter, CRB_DMA_SHIFT); + if (shift >= 32) + return 0; + + if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9)) + change = 1; + else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4)) + change = 1; + + if (change) { + old_mask = pdev->dma_mask; + mask = (1ULL<<(32+shift)) - 1; + + err = pci_set_dma_mask(pdev, mask); + if (err) + return pci_set_dma_mask(pdev, old_mask); } - 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_SFP_QT: - case NETXEN_BRDTYPE_P3_10G_SFP_CT: - 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; + if (adapter->ahw.port_type == NETXEN_NIC_XGBE) + adapter->num_rxd = MAX_RCV_DESCRIPTORS_10G; + else if (adapter->ahw.port_type == NETXEN_NIC_GBE) + adapter->num_rxd = MAX_RCV_DESCRIPTORS_1G; - 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: - adapter->msix_supported = !!use_msi_x; - adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G; - break; - - 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; - - case NETXEN_BRDTYPE_P3_10G_TP: + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) adapter->msix_supported = !!use_msi_x; - if (adapter->ahw.board_type == NETXEN_NIC_XGBE) - adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G; - else - adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G; - break; - - default: + else 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->num_txd = MAX_CMD_DESCRIPTORS_HOST; + adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS; + adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS; - 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; } @@ -336,7 +337,7 @@ static void netxen_set_port_mode(struct netxen_adapter *adapter) { u32 val, data; - val = adapter->ahw.boardcfg.board_type; + val = adapter->ahw.board_type; if ((val == NETXEN_BRDTYPE_P3_HMEZ) || (val == NETXEN_BRDTYPE_P3_XG_LOM)) { if (port_mode == NETXEN_PORT_MODE_802_3_AP) { @@ -405,9 +406,6 @@ netxen_read_mac_addr(struct netxen_adapter *adapter) struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; - if (netxen_is_flash_supported(adapter) != 0) - return -EIO; - if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0) return -EIO; @@ -457,91 +455,91 @@ static const struct net_device_ops netxen_netdev_ops = { #endif }; -/* - * netxen_nic_probe() - * - * The Linux system will invoke this after identifying the vendor ID and - * device Id in the pci_tbl supported by this module. - * - * A quad port card has one operational PCI config space, (function 0), - * which is used to access all four ports. - * - * This routine will initialize the adapter, and setup the global parameters - * along with the port's specific structure. - */ -static int __devinit -netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +static void +netxen_setup_intr(struct netxen_adapter *adapter) { - struct net_device *netdev = NULL; - struct netxen_adapter *adapter = NULL; - void __iomem *mem_ptr0 = NULL; - void __iomem *mem_ptr1 = NULL; - void __iomem *mem_ptr2 = NULL; - unsigned long first_page_group_end; - unsigned long first_page_group_start; + struct netxen_legacy_intr_set *legacy_intrp; + struct pci_dev *pdev = adapter->pdev; + adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED); + adapter->intr_scheme = -1; + adapter->msi_mode = -1; - u8 __iomem *db_ptr = NULL; - unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0; - int i = 0, err; - int first_driver, first_boot; - u32 val; - int pci_func_id = PCI_FUNC(pdev->devfn); - struct netxen_legacy_intr_set *legacy_intrp; - uint8_t revision_id; + if (adapter->ahw.revision_id >= NX_P3_B0) + legacy_intrp = &legacy_intr[adapter->ahw.pci_func]; + 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; - if (pci_func_id == 0) - printk(KERN_INFO "%s\n", netxen_nic_driver_string); + netxen_set_msix_bit(pdev, 0); - 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 (adapter->msix_supported) { - if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { - printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x" - "will not be enabled.\n", - NX_P3_A0, NX_P3_B1); - return -ENODEV; - } + netxen_init_msix_entries(adapter); + if (pci_enable_msix(pdev, adapter->msix_entries, + MSIX_ENTRIES_PER_ADAPTER)) + goto request_msi; - if ((err = pci_enable_device(pdev))) - return err; + adapter->flags |= NETXEN_NIC_MSIX_ENABLED; + netxen_set_msix_bit(pdev, 1); + dev_info(&pdev->dev, "using msi-x interrupts\n"); - if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { - err = -ENODEV; - goto err_out_disable_pdev; + } 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"); + adapter->msix_entries[0].vector = pdev->irq; } +} - if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) - goto err_out_disable_pdev; - - pci_set_master(pdev); +static void +netxen_teardown_intr(struct netxen_adapter *adapter) +{ + if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) + pci_disable_msix(adapter->pdev); + if (adapter->flags & NETXEN_NIC_MSI_ENABLED) + pci_disable_msi(adapter->pdev); +} - netdev = alloc_etherdev(sizeof(struct netxen_adapter)); - if(!netdev) { - printk(KERN_ERR"%s: Failed to allocate memory for the " - "device block.Check system memory resource" - " usage.\n", netxen_nic_driver_name); - goto err_out_free_res; - } +static void +netxen_cleanup_pci_map(struct netxen_adapter *adapter) +{ + if (adapter->ahw.db_base != NULL) + iounmap(adapter->ahw.db_base); + if (adapter->ahw.pci_base0 != NULL) + iounmap(adapter->ahw.pci_base0); + if (adapter->ahw.pci_base1 != NULL) + iounmap(adapter->ahw.pci_base1); + if (adapter->ahw.pci_base2 != NULL) + iounmap(adapter->ahw.pci_base2); +} - SET_NETDEV_DEV(netdev, &pdev->dev); +static int +netxen_setup_pci_map(struct netxen_adapter *adapter) +{ + void __iomem *mem_ptr0 = NULL; + void __iomem *mem_ptr1 = NULL; + void __iomem *mem_ptr2 = NULL; + void __iomem *db_ptr = NULL; - adapter = netdev_priv(netdev); - adapter->netdev = netdev; - adapter->pdev = pdev; - adapter->ahw.pci_func = pci_func_id; + unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0; - revision_id = pdev->revision; - adapter->ahw.revision_id = revision_id; + struct pci_dev *pdev = adapter->pdev; + int pci_func = adapter->ahw.pci_func; - err = nx_set_dma_mask(adapter, revision_id); - if (err) - goto err_out_free_netdev; + int err = 0; - rwlock_init(&adapter->adapter_lock); + /* + * 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->curr_window = 255; adapter->ahw.qdr_sn_window = -1; adapter->ahw.ddr_mn_window = -1; @@ -567,14 +565,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) SECOND_PAGE_GROUP_SIZE); mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); - first_page_group_start = FIRST_PAGE_GROUP_START; - first_page_group_end = FIRST_PAGE_GROUP_END; } else if (mem_len == NETXEN_PCI_32MB_SIZE) { mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - 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; @@ -593,29 +587,33 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_err(&pdev->dev, "failed to map PCI bar 0\n"); return -EIO; } - 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); + (pci_func * 0x20); adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW; - if (pci_func_id < 4) - adapter->ahw.ms_win_crb += (pci_func_id * 0x20); + if (pci_func < 4) + adapter->ahw.ms_win_crb += (pci_func * 0x20); else adapter->ahw.ms_win_crb += - 0xA0 + ((pci_func_id - 4) * 0x10); + 0xA0 + ((pci_func - 4) * 0x10); } else { - err = -EIO; - goto err_out_free_netdev; + return -EIO; } dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); + adapter->ahw.pci_base0 = mem_ptr0; + adapter->ahw.pci_len0 = pci_len0; + adapter->ahw.pci_base1 = mem_ptr1; + adapter->ahw.pci_base2 = mem_ptr2; + + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) + goto skip_doorbell; + db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ db_len = pci_resource_len(pdev, 4); @@ -623,49 +621,349 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) printk(KERN_ERR "%s: doorbell is disabled\n", netxen_nic_driver_name); err = -EIO; - goto err_out_iounmap; + goto err_out; } - DPRINTK(INFO, "doorbell ioremap from %lx a size of %lx\n", db_base, - db_len); 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); err = -EIO; - goto err_out_iounmap; + goto err_out; } - 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; - adapter->ahw.pci_base2 = mem_ptr2; +skip_doorbell: adapter->ahw.db_base = db_ptr; adapter->ahw.db_len = db_len; + return 0; - netif_napi_add(netdev, &adapter->napi, - netxen_nic_poll, NETXEN_NETDEV_WEIGHT); +err_out: + netxen_cleanup_pci_map(adapter); + return err; +} - if (revision_id >= NX_P3_B0) - legacy_intrp = &legacy_intr[pci_func_id]; +static int +netxen_start_firmware(struct netxen_adapter *adapter) +{ + int val, err, first_boot; + struct pci_dev *pdev = adapter->pdev; + + int first_driver = 0; + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { + if (adapter->ahw.pci_func == 0) + first_driver = 1; + } else { + if (adapter->portnum == 0) + first_driver = 1; + } + + if (!first_driver) + return 0; + + first_boot = adapter->pci_read_normalize(adapter, + NETXEN_CAM_RAM(0x1fc)); + + err = netxen_check_hw_init(adapter, first_boot); + if (err) { + dev_err(&pdev->dev, "error in init HW init sequence\n"); + return err; + } + + if (first_boot != 0x55555555) { + adapter->pci_write_normalize(adapter, + CRB_CMDPEG_STATE, 0); + netxen_pinit_from_rom(adapter, 0); + msleep(1); + } + + netxen_nic_reg_write(adapter, CRB_DMA_SHIFT, 0x55555555); + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) + netxen_set_port_mode(adapter); + + netxen_load_firmware(adapter); + + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { + + /* Initialize multicast addr pool owners */ + val = 0x7654; + if (adapter->ahw.port_type == NETXEN_NIC_XGBE) + val |= 0x0f000000; + netxen_crb_writelit_adapter(adapter, + NETXEN_MAC_ADDR_CNTL_REG, val); + + } + + err = netxen_initialize_adapter_offload(adapter); + if (err) + return err; + + /* + * Tell the hardware our version number. + */ + val = (_NETXEN_NIC_LINUX_MAJOR << 16) + | ((_NETXEN_NIC_LINUX_MINOR << 8)) + | (_NETXEN_NIC_LINUX_SUBVERSION); + adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, val); + + /* Handshake with the card before we register the devices. */ + err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); + if (err) { + netxen_free_adapter_offload(adapter); + return err; + } + + return 0; +} + +static int +netxen_nic_request_irq(struct netxen_adapter *adapter) +{ + irq_handler_t handler; + struct nx_host_sds_ring *sds_ring; + int err, ring; + + unsigned long flags = IRQF_SAMPLE_RANDOM; + struct net_device *netdev = adapter->netdev; + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; + + if ((adapter->msi_mode != MSI_MODE_MULTIFUNC) || + (adapter->intr_scheme != INTR_SCHEME_PERPORT)) { + printk(KERN_ERR "%s: Firmware interrupt scheme is " + "incompatible with driver\n", + netdev->name); + adapter->driver_mismatch = 1; + return -EINVAL; + } + + if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) + handler = netxen_msix_intr; + else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) + handler = netxen_msi_intr; + else { + flags |= IRQF_SHARED; + handler = netxen_intr; + } + adapter->irq = netdev->irq; + + for (ring = 0; ring < adapter->max_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + sprintf(sds_ring->name, "%16s[%d]", netdev->name, ring); + err = request_irq(sds_ring->irq, handler, + flags, sds_ring->name, sds_ring); + if (err) + return err; + } + + return 0; +} + +static void +netxen_nic_free_irq(struct netxen_adapter *adapter) +{ + int ring; + struct nx_host_sds_ring *sds_ring; + + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; + + for (ring = 0; ring < adapter->max_sds_rings; ring++) { + sds_ring = &recv_ctx->sds_rings[ring]; + free_irq(sds_ring->irq, sds_ring); + } +} + +static int +netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev) +{ + int err; + + err = adapter->init_port(adapter, adapter->physical_port); + if (err) { + printk(KERN_ERR "%s: Failed to initialize port %d\n", + netxen_nic_driver_name, adapter->portnum); + return err; + } + adapter->macaddr_set(adapter, netdev->dev_addr); + + netxen_nic_set_link_parameters(adapter); + + netxen_set_multicast_list(netdev); + if (adapter->set_mtu) + adapter->set_mtu(adapter, netdev->mtu); + + adapter->ahw.linkup = 0; + mod_timer(&adapter->watchdog_timer, jiffies); + + netxen_napi_enable(adapter); + + if (adapter->max_sds_rings > 1) + netxen_config_rss(adapter, 1); + + return 0; +} + +static void +netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev) +{ + netif_carrier_off(netdev); + netif_stop_queue(netdev); + netxen_napi_disable(adapter); + + if (adapter->stop_port) + adapter->stop_port(adapter); + + netxen_release_tx_buffers(adapter); + + FLUSH_SCHEDULED_WORK(); + del_timer_sync(&adapter->watchdog_timer); +} + + +static int +netxen_nic_attach(struct netxen_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + struct pci_dev *pdev = adapter->pdev; + int err, ring; + struct nx_host_rds_ring *rds_ring; + + err = netxen_init_firmware(adapter); + if (err != 0) { + printk(KERN_ERR "Failed to init firmware\n"); + return -EIO; + } + + if (adapter->fw_major < 4) + adapter->max_rds_rings = 3; else - legacy_intrp = &legacy_intr[0]; + adapter->max_rds_rings = 2; - 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; + err = netxen_alloc_sw_resources(adapter); + if (err) { + printk(KERN_ERR "%s: Error in setting sw resources\n", + netdev->name); + return err; + } - /* this will be read from FW later */ - adapter->intr_scheme = -1; - adapter->msi_mode = -1; + netxen_nic_clear_stats(adapter); + + err = netxen_alloc_hw_resources(adapter); + if (err) { + printk(KERN_ERR "%s: Error in setting hw resources\n", + netdev->name); + goto err_out_free_sw; + } + + if (adapter->fw_major < 4) { + 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); + } + + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &adapter->recv_ctx.rds_rings[ring]; + netxen_post_rx_buffers(adapter, ring, rds_ring); + } + + err = netxen_nic_request_irq(adapter); + if (err) { + dev_err(&pdev->dev, "%s: failed to setup interrupt\n", + netdev->name); + goto err_out_free_rxbuf; + } + + adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; + return 0; + +err_out_free_rxbuf: + netxen_release_rx_buffers(adapter); + netxen_free_hw_resources(adapter); +err_out_free_sw: + netxen_free_sw_resources(adapter); + return err; +} + +static void +netxen_nic_detach(struct netxen_adapter *adapter) +{ + netxen_nic_free_irq(adapter); + + netxen_release_rx_buffers(adapter); + netxen_free_hw_resources(adapter); + netxen_free_sw_resources(adapter); + + adapter->is_up = 0; +} + +static int __devinit +netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct net_device *netdev = NULL; + struct netxen_adapter *adapter = NULL; + int i = 0, err; + int pci_func_id = PCI_FUNC(pdev->devfn); + uint8_t revision_id; + + 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 (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) { + printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x" + "will not be enabled.\n", + NX_P3_A0, NX_P3_B1); + 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; + } + + if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) + goto err_out_disable_pdev; + + pci_set_master(pdev); + + netdev = alloc_etherdev(sizeof(struct netxen_adapter)); + if(!netdev) { + printk(KERN_ERR"%s: Failed to allocate memory for the " + "device block.Check system memory resource" + " usage.\n", netxen_nic_driver_name); + goto err_out_free_res; + } + + SET_NETDEV_DEV(netdev, &pdev->dev); + + adapter = netdev_priv(netdev); + 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); + spin_lock_init(&adapter->tx_clean_lock); + + err = netxen_setup_pci_map(adapter); + if (err) + goto err_out_free_netdev; /* This will be reset for mezz cards */ 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)) @@ -693,12 +991,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->vlan_features |= NETIF_F_HIGHDMA; } - /* - * 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->curr_window = 255; - if (netxen_nic_get_board_info(adapter) != 0) { printk("%s: Error getting board config info.\n", netxen_nic_driver_name); @@ -709,7 +1001,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netxen_initialize_adapter_ops(adapter); /* Mezz cards have PCI function 0,2,3 enabled */ - switch (adapter->ahw.boardcfg.board_type) { + switch (adapter->ahw.board_type) { case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: if (pci_func_id >= 2) @@ -719,82 +1011,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) break; } - /* - * 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; - } - - if (first_driver) { - first_boot = adapter->pci_read_normalize(adapter, - NETXEN_CAM_RAM(0x1fc)); - - 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 (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); - - 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); - - } - - err = netxen_initialize_adapter_offload(adapter); - if (err) - goto err_out_iounmap; - - /* - * Tell the hardware our version number. - */ - i = (_NETXEN_NIC_LINUX_MAJOR << 16) - | ((_NETXEN_NIC_LINUX_MINOR << 8)) - | (_NETXEN_NIC_LINUX_SUBVERSION); - adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i); - - /* Handshake with the card before we register the devices. */ - err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); - if (err) - goto err_out_free_offload; - - } /* first_driver */ + err = netxen_start_firmware(adapter); + if (err) + goto err_out_iounmap; - netxen_nic_flash_print(adapter); + nx_update_dma_mask(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"); - } + netxen_nic_get_firmware_info(adapter); /* * See if the firmware gave us a virtual-physical port mapping. @@ -807,41 +1030,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 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); + netxen_check_options(adapter); - if (pci_enable_msix(pdev, adapter->msix_entries, - MSIX_ENTRIES_PER_ADAPTER)) - goto request_msi; + netxen_setup_intr(adapter); - 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"); - } + netdev->irq = adapter->msix_entries[0].vector; - if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) - netdev->irq = adapter->msix_entries[0].vector; - else - netdev->irq = pdev->irq; + netxen_napi_add(adapter, netdev); err = netxen_receive_peg_ready(adapter); if (err) @@ -870,7 +1065,7 @@ request_msi: pci_set_drvdata(pdev, adapter); - switch (adapter->ahw.board_type) { + switch (adapter->ahw.port_type) { case NETXEN_NIC_GBE: dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", adapter->netdev->name); @@ -884,25 +1079,12 @@ request_msi: return 0; err_out_disable_msi: - if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) - pci_disable_msix(pdev); - if (adapter->flags & NETXEN_NIC_MSI_ENABLED) - pci_disable_msi(pdev); + netxen_teardown_intr(adapter); -err_out_free_offload: - if (first_driver) - netxen_free_adapter_offload(adapter); + netxen_free_adapter_offload(adapter); err_out_iounmap: - if (db_ptr) - iounmap(db_ptr); - - if (mem_ptr0) - iounmap(mem_ptr0); - if (mem_ptr1) - iounmap(mem_ptr1); - if (mem_ptr2) - iounmap(mem_ptr2); + netxen_cleanup_pci_map(adapter); err_out_free_netdev: free_netdev(netdev); @@ -930,9 +1112,7 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) unregister_netdev(netdev); if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { - netxen_free_hw_resources(adapter); - netxen_release_rx_buffers(adapter); - netxen_free_sw_resources(adapter); + netxen_nic_detach(adapter); if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) netxen_p3_free_mac_list(adapter); @@ -941,20 +1121,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) if (adapter->portnum == 0) netxen_free_adapter_offload(adapter); - if (adapter->irq) - free_irq(adapter->irq, adapter); + netxen_teardown_intr(adapter); - if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) - pci_disable_msix(pdev); - if (adapter->flags & NETXEN_NIC_MSI_ENABLED) - pci_disable_msi(pdev); - - iounmap(adapter->ahw.db_base); - iounmap(adapter->ahw.pci_base0); - if (adapter->ahw.pci_base1 != NULL) - iounmap(adapter->ahw.pci_base1); - if (adapter->ahw.pci_base2 != NULL) - iounmap(adapter->ahw.pci_base2); + netxen_cleanup_pci_map(adapter); pci_release_regions(pdev); pci_disable_device(pdev); @@ -963,125 +1132,95 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) free_netdev(netdev); } -/* - * Called when a network interface is made active - * @returns 0 on success, negative value on failure - */ -static int netxen_nic_open(struct net_device *netdev) +static int +netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state) { - struct netxen_adapter *adapter = netdev_priv(netdev); - int err = 0; - int ctx, ring; - irq_handler_t handler; - unsigned long flags = IRQF_SAMPLE_RANDOM; - if (adapter->driver_mismatch) - return -EIO; + struct netxen_adapter *adapter = pci_get_drvdata(pdev); + struct net_device *netdev = adapter->netdev; - if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) { - err = netxen_init_firmware(adapter); - if (err != 0) { - printk(KERN_ERR "Failed to init firmware\n"); - return -EIO; - } + netif_device_detach(netdev); - if (adapter->fw_major < 4) - adapter->max_rds_rings = 3; - else - adapter->max_rds_rings = 2; + if (netif_running(netdev)) + netxen_nic_down(adapter, netdev); - err = netxen_alloc_sw_resources(adapter); - if (err) { - printk(KERN_ERR "%s: Error in setting sw resources\n", - netdev->name); - return err; - } + if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) + netxen_nic_detach(adapter); - netxen_nic_clear_stats(adapter); + pci_save_state(pdev); - err = netxen_alloc_hw_resources(adapter); - if (err) { - printk(KERN_ERR "%s: Error in setting hw resources\n", - netdev->name); - goto err_out_free_sw; - } + if (netxen_nic_wol_supported(adapter)) { + pci_enable_wake(pdev, PCI_D3cold, 1); + pci_enable_wake(pdev, PCI_D3hot, 1); + } - if ((adapter->msi_mode != MSI_MODE_MULTIFUNC) || - (adapter->intr_scheme != INTR_SCHEME_PERPORT)) { - printk(KERN_ERR "%s: Firmware interrupt scheme is " - "incompatible with driver\n", - netdev->name); - adapter->driver_mismatch = 1; - goto err_out_free_hw; - } + pci_disable_device(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); - if (adapter->fw_major < 4) { - adapter->crb_addr_cmd_producer = - crb_cmd_producer[adapter->portnum]; - adapter->crb_addr_cmd_consumer = - crb_cmd_consumer[adapter->portnum]; + return 0; +} - netxen_nic_update_cmd_producer(adapter, 0); - netxen_nic_update_cmd_consumer(adapter, 0); - } +static int +netxen_nic_resume(struct pci_dev *pdev) +{ + struct netxen_adapter *adapter = pci_get_drvdata(pdev); + struct net_device *netdev = adapter->netdev; + int err; - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - for (ring = 0; ring < adapter->max_rds_rings; ring++) - netxen_post_rx_buffers(adapter, ctx, ring); - } - if (adapter->flags & NETXEN_NIC_MSIX_ENABLED) - handler = netxen_msix_intr; - else if (adapter->flags & NETXEN_NIC_MSI_ENABLED) - handler = netxen_msi_intr; - else { - flags |= IRQF_SHARED; - handler = netxen_intr; - } - adapter->irq = netdev->irq; - err = request_irq(adapter->irq, handler, - flags, netdev->name, adapter); - if (err) { - printk(KERN_ERR "request_irq failed with: %d\n", err); - goto err_out_free_rxbuf; - } + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); - adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; - } + err = pci_enable_device(pdev); + if (err) + return err; - /* Done here again so that even if phantom sw overwrote it, - * we set it */ - err = adapter->init_port(adapter, adapter->physical_port); + adapter->curr_window = 255; + + err = netxen_start_firmware(adapter); if (err) { - printk(KERN_ERR "%s: Failed to initialize port %d\n", - netxen_nic_driver_name, adapter->portnum); - goto err_out_free_irq; + dev_err(&pdev->dev, "failed to start firmware\n"); + return err; } - adapter->macaddr_set(adapter, netdev->dev_addr); - netxen_nic_set_link_parameters(adapter); + if (netif_running(netdev)) { + err = netxen_nic_attach(adapter); + if (err) + return err; - netxen_set_multicast_list(netdev); - if (adapter->set_mtu) - adapter->set_mtu(adapter, netdev->mtu); + err = netxen_nic_up(adapter, netdev); + if (err) + return err; - adapter->ahw.linkup = 0; - mod_timer(&adapter->watchdog_timer, jiffies); + netif_device_attach(netdev); + } + + return 0; +} - napi_enable(&adapter->napi); - netxen_nic_enable_int(adapter); +static int netxen_nic_open(struct net_device *netdev) +{ + struct netxen_adapter *adapter = netdev_priv(netdev); + int err = 0; + + if (adapter->driver_mismatch) + return -EIO; + + if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) { + err = netxen_nic_attach(adapter); + if (err) + return err; + } + + err = netxen_nic_up(adapter, netdev); + if (err) + goto err_out; netif_start_queue(netdev); return 0; -err_out_free_irq: - free_irq(adapter->irq, adapter); -err_out_free_rxbuf: - netxen_release_rx_buffers(adapter); -err_out_free_hw: - netxen_free_hw_resources(adapter); -err_out_free_sw: - netxen_free_sw_resources(adapter); +err_out: + netxen_nic_detach(adapter); return err; } @@ -1092,20 +1231,7 @@ static int netxen_nic_close(struct net_device *netdev) { struct netxen_adapter *adapter = netdev_priv(netdev); - netif_carrier_off(netdev); - netif_stop_queue(netdev); - napi_disable(&adapter->napi); - - if (adapter->stop_port) - adapter->stop_port(adapter); - - netxen_nic_disable_int(adapter); - - netxen_release_tx_buffers(adapter); - - FLUSH_SCHEDULED_WORK(); - del_timer_sync(&adapter->watchdog_timer); - + netxen_nic_down(adapter, netdev); return 0; } @@ -1117,7 +1243,7 @@ static bool netxen_tso_check(struct net_device *netdev, __be16 protocol = skb->protocol; u16 flags = 0; - if (protocol == __constant_htons(ETH_P_8021Q)) { + if (protocol == cpu_to_be16(ETH_P_8021Q)) { struct vlan_ethhdr *vh = (struct vlan_ethhdr *)skb->data; protocol = vh->h_vlan_encapsulated_proto; flags = FLAGS_VLAN_TAGGED; @@ -1130,21 +1256,21 @@ static bool netxen_tso_check(struct net_device *netdev, desc->total_hdr_length = skb_transport_offset(skb) + tcp_hdrlen(skb); - opcode = (protocol == __constant_htons(ETH_P_IPV6)) ? + opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ? TX_TCP_LSO6 : TX_TCP_LSO; tso = true; } else if (skb->ip_summed == CHECKSUM_PARTIAL) { u8 l4proto; - if (protocol == __constant_htons(ETH_P_IP)) { + if (protocol == cpu_to_be16(ETH_P_IP)) { l4proto = ip_hdr(skb)->protocol; if (l4proto == IPPROTO_TCP) opcode = TX_TCP_PKT; else if(l4proto == IPPROTO_UDP) opcode = TX_UDP_PKT; - } else if (protocol == __constant_htons(ETH_P_IPV6)) { + } else if (protocol == cpu_to_be16(ETH_P_IPV6)) { l4proto = ipv6_hdr(skb)->nexthdr; if (l4proto == IPPROTO_TCP) @@ -1177,7 +1303,16 @@ netxen_clean_tx_dma_mapping(struct pci_dev *pdev, } } -static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) +static inline void +netxen_clear_cmddesc(u64 *desc) +{ + int i; + for (i = 0; i < 8; i++) + desc[i] = 0ULL; +} + +static int +netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { struct netxen_adapter *adapter = netdev_priv(netdev); struct netxen_hardware_context *hw = &adapter->ahw; @@ -1191,7 +1326,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) u32 producer, consumer; int frag_count, no_of_desc; - u32 num_txd = adapter->max_tx_desc_count; + u32 num_txd = adapter->num_txd; bool is_tso = false; frag_count = skb_shinfo(skb)->nr_frags + 1; @@ -1210,7 +1345,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* Copy the descriptors into the hardware */ hwdesc = &hw->cmd_desc_head[producer]; - memset(hwdesc, 0, sizeof(struct cmd_desc_type0)); + netxen_clear_cmddesc((u64 *)hwdesc); /* Take skb->data itself */ pbuf = &adapter->cmd_buf_arr[producer]; @@ -1229,7 +1364,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) netxen_set_tx_frags_len(hwdesc, frag_count, skb->len); netxen_set_tx_port(hwdesc, adapter->portnum); - hwdesc->buffer1_length = cpu_to_le16(first_seg_len); + hwdesc->buffer_length[0] = cpu_to_le16(first_seg_len); hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); for (i = 1, k = 1; i < frag_count; i++, k++) { @@ -1242,7 +1377,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) k = 0; producer = get_next_index(producer, num_txd); hwdesc = &hw->cmd_desc_head[producer]; - memset(hwdesc, 0, sizeof(struct cmd_desc_type0)); + netxen_clear_cmddesc((u64 *)hwdesc); pbuf = &adapter->cmd_buf_arr[producer]; pbuf->skb = NULL; } @@ -1262,21 +1397,18 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) buffrag->dma = temp_dma; buffrag->length = temp_len; + hwdesc->buffer_length[k] = cpu_to_le16(temp_len); switch (k) { case 0: - hwdesc->buffer1_length = cpu_to_le16(temp_len); hwdesc->addr_buffer1 = cpu_to_le64(temp_dma); break; case 1: - hwdesc->buffer2_length = cpu_to_le16(temp_len); hwdesc->addr_buffer2 = cpu_to_le64(temp_dma); break; case 2: - hwdesc->buffer3_length = cpu_to_le16(temp_len); hwdesc->addr_buffer3 = cpu_to_le64(temp_dma); break; case 3: - hwdesc->buffer4_length = cpu_to_le16(temp_len); hwdesc->addr_buffer4 = cpu_to_le64(temp_dma); break; } @@ -1391,7 +1523,7 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter) linkup = (val == XG_LINK_UP_P3); } else { val = adapter->pci_read_normalize(adapter, CRB_XG_STATE); - if (adapter->ahw.board_type == NETXEN_NIC_GBE) + if (adapter->ahw.port_type == NETXEN_NIC_GBE) linkup = (val >> port) & 1; else { val = (val >> port*8) & 0xff; @@ -1458,13 +1590,11 @@ static void netxen_tx_timeout_task(struct work_struct *work) printk(KERN_ERR "%s %s: transmit timeout, resetting.\n", netxen_nic_driver_name, adapter->netdev->name); - netxen_nic_disable_int(adapter); - napi_disable(&adapter->napi); + netxen_napi_disable(adapter); adapter->netdev->trans_start = jiffies; - napi_enable(&adapter->napi); - netxen_nic_enable_int(adapter); + netxen_napi_enable(adapter); netif_wake_queue(adapter->netdev); } @@ -1502,7 +1632,8 @@ struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) static irqreturn_t netxen_intr(int irq, void *data) { - struct netxen_adapter *adapter = data; + struct nx_host_sds_ring *sds_ring = data; + struct netxen_adapter *adapter = sds_ring->adapter; u32 status = 0; status = adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); @@ -1533,7 +1664,7 @@ static irqreturn_t netxen_intr(int irq, void *data) /* clear interrupt */ if (adapter->fw_major < 4) - netxen_nic_disable_int(adapter); + netxen_nic_disable_int(sds_ring); adapter->pci_write_immediate(adapter, adapter->legacy_intr.tgt_status_reg, @@ -1542,61 +1673,49 @@ static irqreturn_t netxen_intr(int irq, void *data) adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); adapter->pci_read_immediate(adapter, ISR_INT_VECTOR); - napi_schedule(&adapter->napi); + napi_schedule(&sds_ring->napi); return IRQ_HANDLED; } static irqreturn_t netxen_msi_intr(int irq, void *data) { - struct netxen_adapter *adapter = data; + struct nx_host_sds_ring *sds_ring = data; + struct netxen_adapter *adapter = sds_ring->adapter; /* clear interrupt */ adapter->pci_write_immediate(adapter, msi_tgt_status[adapter->ahw.pci_func], 0xffffffff); - napi_schedule(&adapter->napi); + napi_schedule(&sds_ring->napi); return IRQ_HANDLED; } static irqreturn_t netxen_msix_intr(int irq, void *data) { - struct netxen_adapter *adapter = data; + struct nx_host_sds_ring *sds_ring = data; - napi_schedule(&adapter->napi); + napi_schedule(&sds_ring->napi); return IRQ_HANDLED; } static int netxen_nic_poll(struct napi_struct *napi, int budget) { - struct netxen_adapter *adapter = container_of(napi, struct netxen_adapter, napi); + struct nx_host_sds_ring *sds_ring = + container_of(napi, struct nx_host_sds_ring, napi); + + struct netxen_adapter *adapter = sds_ring->adapter; + int tx_complete; - int ctx; int work_done; tx_complete = netxen_process_cmd_ring(adapter); - work_done = 0; - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - /* - * Fairness issue. This will give undue weight to the - * receive context 0. - */ - - /* - * To avoid starvation, we give each of our receivers, - * a fraction of the quota. Sometimes, it might happen that we - * have enough quota to process every packet, but since all the - * packets are on one context, it gets only half of the quota, - * and ends up not processing it. - */ - work_done += netxen_process_rcv_ring(adapter, ctx, - budget / MAX_RCV_CTX); - } + work_done = netxen_process_rcv_ring(sds_ring, budget); if ((work_done < budget) && tx_complete) { - netif_rx_complete(&adapter->napi); - netxen_nic_enable_int(adapter); + napi_complete(&sds_ring->napi); + netxen_nic_enable_int(sds_ring); } return work_done; @@ -1616,13 +1735,17 @@ static struct pci_driver netxen_driver = { .name = netxen_nic_driver_name, .id_table = netxen_pci_tbl, .probe = netxen_nic_probe, - .remove = __devexit_p(netxen_nic_remove) + .remove = __devexit_p(netxen_nic_remove), + .suspend = netxen_nic_suspend, + .resume = netxen_nic_resume }; /* Driver Registration on NetXen card */ static int __init netxen_init_module(void) { + printk(KERN_INFO "%s\n", netxen_nic_driver_string); + if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL) return -ENOMEM; |