diff options
Diffstat (limited to 'drivers/net')
68 files changed, 554 insertions, 304 deletions
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 91f179d..f428ef57 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -1472,7 +1472,7 @@ void bond_alb_monitor(struct work_struct *work) bond_info->lp_counter++; /* send learning packets */ - if (bond_info->lp_counter >= BOND_ALB_LP_TICKS) { + if (bond_info->lp_counter >= BOND_ALB_LP_TICKS(bond)) { /* change of curr_active_slave involves swapping of mac addresses. * in order to avoid this swapping from happening while * sending the learning packets, the curr_slave_lock must be held for diff --git a/drivers/net/bonding/bond_alb.h b/drivers/net/bonding/bond_alb.h index 28d8e4c..c5eff5d 100644 --- a/drivers/net/bonding/bond_alb.h +++ b/drivers/net/bonding/bond_alb.h @@ -36,14 +36,15 @@ struct slave; * Used for division - never set * to zero !!! */ -#define BOND_ALB_LP_INTERVAL 1 /* In seconds, periodic send of - * learning packets to the switch - */ +#define BOND_ALB_DEFAULT_LP_INTERVAL 1 +#define BOND_ALB_LP_INTERVAL(bond) (bond->params.lp_interval) /* In seconds, periodic send of + * learning packets to the switch + */ #define BOND_TLB_REBALANCE_TICKS (BOND_TLB_REBALANCE_INTERVAL \ * ALB_TIMER_TICKS_PER_SEC) -#define BOND_ALB_LP_TICKS (BOND_ALB_LP_INTERVAL \ +#define BOND_ALB_LP_TICKS(bond) (BOND_ALB_LP_INTERVAL(bond) \ * ALB_TIMER_TICKS_PER_SEC) #define TLB_HASH_TABLE_SIZE 256 /* The size of the clients hash table. diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 72df399..55bbb8b 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4416,6 +4416,7 @@ static int bond_check_params(struct bond_params *params) params->all_slaves_active = all_slaves_active; params->resend_igmp = resend_igmp; params->min_links = min_links; + params->lp_interval = BOND_ALB_DEFAULT_LP_INTERVAL; if (primary) { strncpy(params->primary, primary, IFNAMSIZ); diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index eeab40b..c29b836 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1699,6 +1699,44 @@ out: static DEVICE_ATTR(resend_igmp, S_IRUGO | S_IWUSR, bonding_show_resend_igmp, bonding_store_resend_igmp); + +static ssize_t bonding_show_lp_interval(struct device *d, + struct device_attribute *attr, + char *buf) +{ + struct bonding *bond = to_bond(d); + return sprintf(buf, "%d\n", bond->params.lp_interval); +} + +static ssize_t bonding_store_lp_interval(struct device *d, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct bonding *bond = to_bond(d); + int new_value, ret = count; + + if (sscanf(buf, "%d", &new_value) != 1) { + pr_err("%s: no lp interval value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + + if (new_value <= 0) { + pr_err ("%s: lp_interval must be between 1 and %d\n", + bond->dev->name, INT_MAX); + ret = -EINVAL; + goto out; + } + + bond->params.lp_interval = new_value; +out: + return ret; +} + +static DEVICE_ATTR(lp_interval, S_IRUGO | S_IWUSR, + bonding_show_lp_interval, bonding_store_lp_interval); + static struct attribute *per_bond_attrs[] = { &dev_attr_slaves.attr, &dev_attr_mode.attr, @@ -1729,6 +1767,7 @@ static struct attribute *per_bond_attrs[] = { &dev_attr_all_slaves_active.attr, &dev_attr_resend_igmp.attr, &dev_attr_min_links.attr, + &dev_attr_lp_interval.attr, NULL, }; diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 7ad8bd5..03cf3fd 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -176,6 +176,7 @@ struct bond_params { int tx_queues; int all_slaves_active; int resend_igmp; + int lp_interval; }; struct bond_parm_tbl { diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c index e66684a..75fb1d2 100644 --- a/drivers/net/ethernet/adi/bfin_mac.c +++ b/drivers/net/ethernet/adi/bfin_mac.c @@ -530,7 +530,7 @@ static int bfin_mac_ethtool_setwol(struct net_device *dev, if (lp->wol && !lp->irq_wake_requested) { /* register wake irq handler */ rc = request_irq(IRQ_MAC_WAKEDET, bfin_mac_wake_interrupt, - IRQF_DISABLED, "EMAC_WAKE", dev); + 0, "EMAC_WAKE", dev); if (rc) return rc; lp->irq_wake_requested = true; @@ -1686,7 +1686,7 @@ static int bfin_mac_probe(struct platform_device *pdev) /* now, enable interrupts */ /* register irq handler */ rc = request_irq(IRQ_MAC_RX, bfin_mac_interrupt, - IRQF_DISABLED, "EMAC_RX", ndev); + 0, "EMAC_RX", ndev); if (rc) { dev_err(&pdev->dev, "Cannot request Blackfin MAC RX IRQ!\n"); rc = -EBUSY; diff --git a/drivers/net/ethernet/amd/sun3lance.c b/drivers/net/ethernet/amd/sun3lance.c index d6b2029..3d8c6b2 100644 --- a/drivers/net/ethernet/amd/sun3lance.c +++ b/drivers/net/ethernet/amd/sun3lance.c @@ -358,7 +358,7 @@ static int __init lance_probe( struct net_device *dev) REGA(CSR0) = CSR0_STOP; - if (request_irq(LANCE_IRQ, lance_interrupt, IRQF_DISABLED, "SUN3 Lance", dev) < 0) { + if (request_irq(LANCE_IRQ, lance_interrupt, 0, "SUN3 Lance", dev) < 0) { #ifdef CONFIG_SUN3 iounmap((void __iomem *)ioaddr); #endif diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 027398e..fc95b23 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -1188,7 +1188,7 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct alx_priv *alx; struct alx_hw *hw; bool phy_configured; - int bars, pm_cap, err; + int bars, err; err = pci_enable_device_mem(pdev); if (err) @@ -1225,18 +1225,13 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_enable_pcie_error_reporting(pdev); pci_set_master(pdev); - pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); - if (pm_cap == 0) { + if (!pdev->pm_cap) { dev_err(&pdev->dev, "Can't find power management capability, aborting\n"); err = -EIO; goto out_pci_release; } - err = pci_set_power_state(pdev, PCI_D0); - if (err) - goto out_pci_release; - netdev = alloc_etherdev(sizeof(*alx)); if (!netdev) { err = -ENOMEM; diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index eec0af4..249468f 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -157,6 +157,7 @@ static netdev_tx_t bgmac_dma_tx_add(struct bgmac *bgmac, if (++ring->end >= BGMAC_TX_RING_SLOTS) ring->end = 0; bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_TX_INDEX, + ring->index_base + ring->end * sizeof(struct bgmac_dma_desc)); /* Always keep one slot free to allow detecting bugged calls. */ @@ -181,6 +182,8 @@ static void bgmac_dma_tx_free(struct bgmac *bgmac, struct bgmac_dma_ring *ring) /* The last slot that hardware didn't consume yet */ empty_slot = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_STATUS); empty_slot &= BGMAC_DMA_TX_STATDPTR; + empty_slot -= ring->index_base; + empty_slot &= BGMAC_DMA_TX_STATDPTR; empty_slot /= sizeof(struct bgmac_dma_desc); while (ring->start != empty_slot) { @@ -274,6 +277,8 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring, end_slot = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_STATUS); end_slot &= BGMAC_DMA_RX_STATDPTR; + end_slot -= ring->index_base; + end_slot &= BGMAC_DMA_RX_STATDPTR; end_slot /= sizeof(struct bgmac_dma_desc); ring->end = end_slot; @@ -418,9 +423,6 @@ static int bgmac_dma_alloc(struct bgmac *bgmac) ring = &bgmac->tx_ring[i]; ring->num_slots = BGMAC_TX_RING_SLOTS; ring->mmio_base = ring_base[i]; - if (bgmac_dma_unaligned(bgmac, ring, BGMAC_DMA_RING_TX)) - bgmac_warn(bgmac, "TX on ring 0x%X supports unaligned addressing but this feature is not implemented\n", - ring->mmio_base); /* Alloc ring of descriptors */ size = ring->num_slots * sizeof(struct bgmac_dma_desc); @@ -435,6 +437,13 @@ static int bgmac_dma_alloc(struct bgmac *bgmac) if (ring->dma_base & 0xC0000000) bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n"); + ring->unaligned = bgmac_dma_unaligned(bgmac, ring, + BGMAC_DMA_RING_TX); + if (ring->unaligned) + ring->index_base = lower_32_bits(ring->dma_base); + else + ring->index_base = 0; + /* No need to alloc TX slots yet */ } @@ -444,9 +453,6 @@ static int bgmac_dma_alloc(struct bgmac *bgmac) ring = &bgmac->rx_ring[i]; ring->num_slots = BGMAC_RX_RING_SLOTS; ring->mmio_base = ring_base[i]; - if (bgmac_dma_unaligned(bgmac, ring, BGMAC_DMA_RING_RX)) - bgmac_warn(bgmac, "RX on ring 0x%X supports unaligned addressing but this feature is not implemented\n", - ring->mmio_base); /* Alloc ring of descriptors */ size = ring->num_slots * sizeof(struct bgmac_dma_desc); @@ -462,6 +468,13 @@ static int bgmac_dma_alloc(struct bgmac *bgmac) if (ring->dma_base & 0xC0000000) bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n"); + ring->unaligned = bgmac_dma_unaligned(bgmac, ring, + BGMAC_DMA_RING_RX); + if (ring->unaligned) + ring->index_base = lower_32_bits(ring->dma_base); + else + ring->index_base = 0; + /* Alloc RX slots */ for (j = 0; j < ring->num_slots; j++) { err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[j]); @@ -489,12 +502,14 @@ static void bgmac_dma_init(struct bgmac *bgmac) for (i = 0; i < BGMAC_MAX_TX_RINGS; i++) { ring = &bgmac->tx_ring[i]; - /* We don't implement unaligned addressing, so enable first */ - bgmac_dma_tx_enable(bgmac, ring); + if (!ring->unaligned) + bgmac_dma_tx_enable(bgmac, ring); bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_TX_RINGLO, lower_32_bits(ring->dma_base)); bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_TX_RINGHI, upper_32_bits(ring->dma_base)); + if (ring->unaligned) + bgmac_dma_tx_enable(bgmac, ring); ring->start = 0; ring->end = 0; /* Points the slot that should *not* be read */ @@ -505,12 +520,14 @@ static void bgmac_dma_init(struct bgmac *bgmac) ring = &bgmac->rx_ring[i]; - /* We don't implement unaligned addressing, so enable first */ - bgmac_dma_rx_enable(bgmac, ring); + if (!ring->unaligned) + bgmac_dma_rx_enable(bgmac, ring); bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_RINGLO, lower_32_bits(ring->dma_base)); bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_RINGHI, upper_32_bits(ring->dma_base)); + if (ring->unaligned) + bgmac_dma_rx_enable(bgmac, ring); for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots; j++, dma_desc++) { @@ -531,6 +548,7 @@ static void bgmac_dma_init(struct bgmac *bgmac) } bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_INDEX, + ring->index_base + ring->num_slots * sizeof(struct bgmac_dma_desc)); ring->start = 0; @@ -908,10 +926,10 @@ static void bgmac_chip_reset(struct bgmac *bgmac) struct bcma_drv_cc *cc = &bgmac->core->bus->drv_cc; u8 et_swtype = 0; u8 sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHY | - BGMAC_CHIPCTL_1_IF_TYPE_RMII; - char buf[2]; + BGMAC_CHIPCTL_1_IF_TYPE_MII; + char buf[4]; - if (bcm47xx_nvram_getenv("et_swtype", buf, 1) > 0) { + if (bcm47xx_nvram_getenv("et_swtype", buf, sizeof(buf)) > 0) { if (kstrtou8(buf, 0, &et_swtype)) bgmac_err(bgmac, "Failed to parse et_swtype (%s)\n", buf); diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h index 98d4b5f..66c8afb 100644 --- a/drivers/net/ethernet/broadcom/bgmac.h +++ b/drivers/net/ethernet/broadcom/bgmac.h @@ -333,7 +333,7 @@ #define BGMAC_CHIPCTL_1_IF_TYPE_MASK 0x00000030 #define BGMAC_CHIPCTL_1_IF_TYPE_RMII 0x00000000 -#define BGMAC_CHIPCTL_1_IF_TYPE_MI 0x00000010 +#define BGMAC_CHIPCTL_1_IF_TYPE_MII 0x00000010 #define BGMAC_CHIPCTL_1_IF_TYPE_RGMII 0x00000020 #define BGMAC_CHIPCTL_1_SW_TYPE_MASK 0x000000C0 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHY 0x00000000 @@ -384,6 +384,8 @@ struct bgmac_dma_ring { u16 mmio_base; struct bgmac_dma_desc *cpu_base; dma_addr_t dma_base; + u32 index_base; /* Used for unaligned rings only, otherwise 0 */ + bool unaligned; struct bgmac_slot_info slots[BGMAC_RX_RING_SLOTS]; }; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 0c33802..97b3d32 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -246,8 +246,37 @@ enum { BNX2X_MAX_CNIC_ETH_CL_ID_IDX, }; -#define BNX2X_CNIC_START_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) *\ +/* use a value high enough to be above all the PFs, which has least significant + * nibble as 8, so when cnic needs to come up with a CID for UIO to use to + * calculate doorbell address according to old doorbell configuration scheme + * (db_msg_sz 1 << 7 * cid + 0x40 DPM offset) it can come up with a valid number + * We must avoid coming up with cid 8 for iscsi since according to this method + * the designated UIO cid will come out 0 and it has a special handling for that + * case which doesn't suit us. Therefore will will cieling to closes cid which + * has least signigifcant nibble 8 and if it is 8 we will move forward to 0x18. + */ + +#define BNX2X_1st_NON_L2_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * \ (bp)->max_cos) +/* amount of cids traversed by UIO's DPM addition to doorbell */ +#define UIO_DPM 8 +/* roundup to DPM offset */ +#define UIO_ROUNDUP(bp) (roundup(BNX2X_1st_NON_L2_ETH_CID(bp), \ + UIO_DPM)) +/* offset to nearest value which has lsb nibble matching DPM */ +#define UIO_CID_OFFSET(bp) ((UIO_ROUNDUP(bp) + UIO_DPM) % \ + (UIO_DPM * 2)) +/* add offset to rounded-up cid to get a value which could be used with UIO */ +#define UIO_DPM_ALIGN(bp) (UIO_ROUNDUP(bp) + UIO_CID_OFFSET(bp)) +/* but wait - avoid UIO special case for cid 0 */ +#define UIO_DPM_CID0_OFFSET(bp) ((UIO_DPM * 2) * \ + (UIO_DPM_ALIGN(bp) == UIO_DPM)) +/* Properly DPM aligned CID dajusted to cid 0 secal case */ +#define BNX2X_CNIC_START_ETH_CID(bp) (UIO_DPM_ALIGN(bp) + \ + (UIO_DPM_CID0_OFFSET(bp))) +/* how many cids were wasted - need this value for cid allocation */ +#define UIO_CID_PAD(bp) (BNX2X_CNIC_START_ETH_CID(bp) - \ + BNX2X_1st_NON_L2_ETH_CID(bp)) /* iSCSI L2 */ #define BNX2X_ISCSI_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp)) /* FCoE L2 */ @@ -1542,7 +1571,6 @@ struct bnx2x { */ bool fcoe_init; - int pm_cap; int mrrs; struct delayed_work sp_task; @@ -1681,10 +1709,11 @@ struct bnx2x { * Maximum CID count that might be required by the bnx2x: * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI */ + #define BNX2X_L2_CID_COUNT(bp) (BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \ - + 2 * CNIC_SUPPORT(bp)) + + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp))) #define BNX2X_L2_MAX_CID(bp) (BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \ - + 2 * CNIC_SUPPORT(bp)) + + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp))) #define L2_ILT_LINES(bp) (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\ ILT_PAGE_CIDS)) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 90045c9..61726af 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3008,16 +3008,16 @@ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) u16 pmcsr; /* If there is no power capability, silently succeed */ - if (!bp->pm_cap) { + if (!bp->pdev->pm_cap) { BNX2X_DEV_INFO("No power capability. Breaking.\n"); return 0; } - pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); + pci_read_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_CTRL, &pmcsr); switch (state) { case PCI_D0: - pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, + pci_write_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_CTRL, ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) | PCI_PM_CTRL_PME_STATUS)); @@ -3041,7 +3041,7 @@ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) if (bp->wol) pmcsr |= PCI_PM_CTRL_PME_ENABLE; - pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, + pci_write_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_CTRL, pmcsr); /* No more memory access after this point until diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index 2612e3c..324de5f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -1387,9 +1387,9 @@ static bool bnx2x_is_nvm_accessible(struct bnx2x *bp) u16 pm = 0; struct net_device *dev = pci_get_drvdata(bp->pdev); - if (bp->pm_cap) + if (bp->pdev->pm_cap) rc = pci_read_config_word(bp->pdev, - bp->pm_cap + PCI_PM_CTRL, &pm); + bp->pdev->pm_cap + PCI_PM_CTRL, &pm); if ((rc && !netif_running(dev)) || (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0))) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 2f8dbbb..a6704b5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -8652,6 +8652,7 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode) else if (bp->wol) { u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; u8 *mac_addr = bp->dev->dev_addr; + struct pci_dev *pdev = bp->pdev; u32 val; u16 pmc; @@ -8668,9 +8669,9 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode) EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val); /* Enable the PME and clear the status */ - pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc); + pci_read_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, &pmc); pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS; - pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc); + pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, pmc); reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; @@ -10399,7 +10400,7 @@ static void bnx2x_get_common_hwinfo(struct bnx2x *bp) break; } - pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc); + pci_read_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_PMC, &pmc); bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG; BNX2X_DEV_INFO("%sWoL capable\n", @@ -12141,8 +12142,7 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev, } if (IS_PF(bp)) { - bp->pm_cap = pdev->pm_cap; - if (bp->pm_cap == 0) { + if (!pdev->pm_cap) { dev_err(&bp->pdev->dev, "Cannot find power management capability, aborting\n"); rc = -EIO; @@ -13632,6 +13632,10 @@ void bnx2x_setup_cnic_info(struct bnx2x *bp) cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp); cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp); + DP(NETIF_MSG_IFUP, "BNX2X_1st_NON_L2_ETH_CID(bp) %x, cp->starting_cid %x, cp->fcoe_init_cid %x, cp->iscsi_l2_cid %x\n", + BNX2X_1st_NON_L2_ETH_CID(bp), cp->starting_cid, cp->fcoe_init_cid, + cp->iscsi_l2_cid); + if (NO_ISCSI_OOO(bp)) cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO; } diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index 8142480..99394bd 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -3135,6 +3135,7 @@ static void cnic_service_bnx2x_bh(unsigned long data) { struct cnic_dev *dev = (struct cnic_dev *) data; struct cnic_local *cp = dev->cnic_priv; + struct bnx2x *bp = netdev_priv(dev->netdev); u32 status_idx, new_status_idx; if (unlikely(!test_bit(CNIC_F_CNIC_UP, &dev->flags))) @@ -3146,7 +3147,7 @@ static void cnic_service_bnx2x_bh(unsigned long data) CNIC_WR16(dev, cp->kcq1.io_addr, cp->kcq1.sw_prod_idx + MAX_KCQ_IDX); - if (cp->ethdev->drv_state & CNIC_DRV_STATE_NO_FCOE) { + if (!CNIC_SUPPORTS_FCOE(bp)) { cp->arm_int(dev, status_idx); break; } @@ -5217,7 +5218,8 @@ static void cnic_init_rings(struct cnic_dev *dev) "iSCSI CLIENT_SETUP did not complete\n"); cnic_spq_completion(dev, DRV_CTL_RET_L2_SPQ_CREDIT_CMD, 1); cnic_ring_ctl(dev, cid, cli, 1); - *cid_ptr = cid; + *cid_ptr = cid >> 4; + *(cid_ptr + 1) = cid * bp->db_size; } } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 5701f3d..12d961c 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -3034,6 +3034,7 @@ static bool tg3_phy_led_bug(struct tg3 *tp) { switch (tg3_asic_rev(tp)) { case ASIC_REV_5719: + case ASIC_REV_5720: if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) && !tp->pci_fn) return true; @@ -16192,12 +16193,12 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) * So explicitly force the chip into D0 here. */ pci_read_config_dword(tp->pdev, - tp->pm_cap + PCI_PM_CTRL, + tp->pdev->pm_cap + PCI_PM_CTRL, &pm_reg); pm_reg &= ~PCI_PM_CTRL_STATE_MASK; pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */; pci_write_config_dword(tp->pdev, - tp->pm_cap + PCI_PM_CTRL, + tp->pdev->pm_cap + PCI_PM_CTRL, pm_reg); /* Also, force SERR#/PERR# in PCI command. */ @@ -17346,7 +17347,6 @@ static int tg3_init_one(struct pci_dev *pdev, tp = netdev_priv(dev); tp->pdev = pdev; tp->dev = dev; - tp->pm_cap = pdev->pm_cap; tp->rx_mode = TG3_DEF_RX_MODE; tp->tx_mode = TG3_DEF_TX_MODE; tp->irq_sync = 1; diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index ddb8be1..7025780 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -3234,7 +3234,6 @@ struct tg3 { u8 pci_lat_timer; int pci_fn; - int pm_cap; int msi_cap; int pcix_cap; int pcie_readrq; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 0d0665c..c73cabd 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -6149,8 +6149,10 @@ static int __init cxgb4_init_module(void) pr_warn("could not create debugfs entry, continuing\n"); ret = pci_register_driver(&cxgb4_driver); - if (ret < 0) + if (ret < 0) { debugfs_remove(cxgb4_debugfs_root); + destroy_workqueue(workq); + } register_inet6addr_notifier(&cxgb4_inet6addr_notifier); diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c index 2db6c57..263b92c 100644 --- a/drivers/net/ethernet/dec/tulip/de4x5.c +++ b/drivers/net/ethernet/dec/tulip/de4x5.c @@ -1321,7 +1321,7 @@ de4x5_open(struct net_device *dev) if (request_irq(dev->irq, de4x5_interrupt, IRQF_SHARED, lp->adapter_name, dev)) { printk("de4x5_open(): Requested IRQ%d is busy - attemping FAST/SHARE...", dev->irq); - if (request_irq(dev->irq, de4x5_interrupt, IRQF_DISABLED | IRQF_SHARED, + if (request_irq(dev->irq, de4x5_interrupt, IRQF_SHARED, lp->adapter_name, dev)) { printk("\n Cannot get IRQ- reconfigure your hardware.\n"); disable_ast(dev); diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 3224d28..100b528 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2802,7 +2802,7 @@ static int be_vfs_if_create(struct be_adapter *adapter) struct be_resources res = {0}; struct be_vf_cfg *vf_cfg; u32 cap_flags, en_flags, vf; - int status; + int status = 0; cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_MULTICAST; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index f9aacf5..b2793b9 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -2199,7 +2199,7 @@ fec_probe(struct platform_device *pdev) goto failed_irq; } ret = devm_request_irq(&pdev->dev, irq, fec_enet_interrupt, - IRQF_DISABLED, pdev->name, ndev); + 0, pdev->name, ndev); if (ret) goto failed_irq; } diff --git a/drivers/net/ethernet/hp/hp100.c b/drivers/net/ethernet/hp/hp100.c index e3c7c69..91227d0 100644 --- a/drivers/net/ethernet/hp/hp100.c +++ b/drivers/net/ethernet/hp/hp100.c @@ -1097,7 +1097,7 @@ static int hp100_open(struct net_device *dev) /* New: if bus is PCI or EISA, interrupts might be shared interrupts */ if (request_irq(dev->irq, hp100_interrupt, lp->bus == HP100_BUS_PCI || lp->bus == - HP100_BUS_EISA ? IRQF_SHARED : IRQF_DISABLED, + HP100_BUS_EISA ? IRQF_SHARED : 0, "hp100", dev)) { printk("hp100: %s: unable to get IRQ %d\n", dev->name, dev->irq); return -EAGAIN; diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 35853b4..2d1c6bd 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -102,6 +102,19 @@ static int ehea_probe_adapter(struct platform_device *dev); static int ehea_remove(struct platform_device *dev); +static struct of_device_id ehea_module_device_table[] = { + { + .name = "lhea", + .compatible = "IBM,lhea", + }, + { + .type = "network", + .compatible = "IBM,lhea-ethernet", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, ehea_module_device_table); + static struct of_device_id ehea_device_table[] = { { .name = "lhea", @@ -109,7 +122,6 @@ static struct of_device_id ehea_device_table[] = { }, {}, }; -MODULE_DEVICE_TABLE(of, ehea_device_table); static struct platform_driver ehea_driver = { .driver = { @@ -1285,7 +1297,7 @@ static int ehea_reg_interrupts(struct net_device *dev) ret = ibmebus_request_irq(port->qp_eq->attr.ist1, ehea_qp_aff_irq_handler, - IRQF_DISABLED, port->int_aff_name, port); + 0, port->int_aff_name, port); if (ret) { netdev_err(dev, "failed registering irq for qp_aff_irq_handler:ist=%X\n", port->qp_eq->attr.ist1); @@ -1303,8 +1315,7 @@ static int ehea_reg_interrupts(struct net_device *dev) "%s-queue%d", dev->name, i); ret = ibmebus_request_irq(pr->eq->attr.ist1, ehea_recv_irq_handler, - IRQF_DISABLED, pr->int_send_name, - pr); + 0, pr->int_send_name, pr); if (ret) { netdev_err(dev, "failed registering irq for ehea_queue port_res_nr:%d, ist=%X\n", i, pr->eq->attr.ist1); @@ -3320,7 +3331,7 @@ static int ehea_probe_adapter(struct platform_device *dev) } ret = ibmebus_request_irq(adapter->neq->attr.ist1, - ehea_interrupt_neq, IRQF_DISABLED, + ehea_interrupt_neq, 0, "ehea_neq", adapter); if (ret) { dev_err(&dev->dev, "requesting NEQ IRQ failed\n"); diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index a8633b8..d14c8f5 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -922,6 +922,14 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) else mask &= ~(1 << 30); } + if (mac->type == e1000_pch2lan) { + /* SHRAH[0,1,2] different than previous */ + if (i == 7) + mask &= 0xFFF4FFFF; + /* SHRAH[3] different than SHRAH[0,1,2] */ + if (i == 10) + mask |= (1 << 30); + } REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask, 0xFFFFFFFF); diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index af08188..42f0f67 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1371,7 +1371,10 @@ static void e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index) return; } - if (index < hw->mac.rar_entry_count) { + /* RAR[1-6] are owned by manageability. Skip those and program the + * next address into the SHRA register array. + */ + if (index < (u32)(hw->mac.rar_entry_count - 6)) { s32 ret_val; ret_val = e1000_acquire_swflag_ich8lan(hw); @@ -1962,8 +1965,8 @@ void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw) if (ret_val) goto release; - /* Copy both RAL/H (rar_entry_count) and SHRAL/H (+4) to PHY */ - for (i = 0; i < (hw->mac.rar_entry_count + 4); i++) { + /* Copy both RAL/H (rar_entry_count) and SHRAL/H to PHY */ + for (i = 0; i < (hw->mac.rar_entry_count); i++) { mac_reg = er32(RAL(i)); hw->phy.ops.write_reg_page(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF)); @@ -2007,10 +2010,10 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable) return ret_val; if (enable) { - /* Write Rx addresses (rar_entry_count for RAL/H, +4 for + /* Write Rx addresses (rar_entry_count for RAL/H, and * SHRAL/H) and initial CRC values to the MAC */ - for (i = 0; i < (hw->mac.rar_entry_count + 4); i++) { + for (i = 0; i < hw->mac.rar_entry_count; i++) { u8 mac_addr[ETH_ALEN] = { 0 }; u32 addr_high, addr_low; diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h index 5986569..217090d 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.h +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h @@ -98,7 +98,7 @@ #define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL #define E1000_ICH_RAR_ENTRIES 7 -#define E1000_PCH2_RAR_ENTRIES 5 /* RAR[0], SHRA[0-3] */ +#define E1000_PCH2_RAR_ENTRIES 11 /* RAR[0-6], SHRA[0-3] */ #define E1000_PCH_LPT_RAR_ENTRIES 12 /* RAR[0], SHRA[0-10] */ #define PHY_PAGE_SHIFT 5 diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index e87e9b0..4ef7867 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -4868,7 +4868,7 @@ static void e1000_watchdog_task(struct work_struct *work) */ if ((hw->phy.type == e1000_phy_igp_3 || hw->phy.type == e1000_phy_bm) && - (hw->mac.autoneg == true) && + hw->mac.autoneg && (adapter->link_speed == SPEED_10 || adapter->link_speed == SPEED_100) && (adapter->link_duplex == HALF_DUPLEX)) { diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 79b5835..47c2d10 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -719,6 +719,10 @@ static s32 igb_get_phy_id_82575(struct e1000_hw *hw) u32 ctrl_ext; u32 mdic; + /* Extra read required for some PHY's on i354 */ + if (hw->mac.type == e1000_i354) + igb_get_phy_id(hw); + /* For SGMII PHYs, we try the list of possible addresses until * we find one that works. For non-SGMII PHYs * (e.g. integrated copper PHYs), an address of 1 should diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c index f0dfd41..298f0ed 100644 --- a/drivers/net/ethernet/intel/igb/e1000_mac.c +++ b/drivers/net/ethernet/intel/igb/e1000_mac.c @@ -712,6 +712,7 @@ static s32 igb_set_fc_watermarks(struct e1000_hw *hw) static s32 igb_set_default_fc(struct e1000_hw *hw) { s32 ret_val = 0; + u16 lan_offset; u16 nvm_data; /* Read and store word 0x0F of the EEPROM. This word contains bits @@ -722,7 +723,14 @@ static s32 igb_set_default_fc(struct e1000_hw *hw) * control setting, then the variable hw->fc will * be initialized based on a value in the EEPROM. */ - ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG, 1, &nvm_data); + if (hw->mac.type == e1000_i350) { + lan_offset = NVM_82580_LAN_FUNC_OFFSET(hw->bus.func); + ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG + + lan_offset, 1, &nvm_data); + } else { + ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG, + 1, &nvm_data); + } if (ret_val) { hw_dbg("NVM Read Error\n"); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 0e1b973..e8649ab 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -160,6 +160,13 @@ static int ixgbe_get_settings(struct net_device *netdev, bool autoneg = false; bool link_up; + /* SFP type is needed for get_link_capabilities */ + if (hw->phy.media_type & (ixgbe_media_type_fiber | + ixgbe_media_type_fiber_qsfp)) { + if (hw->phy.sfp_type == ixgbe_sfp_type_not_present) + hw->phy.ops.identify_sfp(hw); + } + hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg); /* set the supported link speeds */ @@ -186,6 +193,11 @@ static int ixgbe_get_settings(struct net_device *netdev, ecmd->advertising |= ADVERTISED_1000baseT_Full; if (supported_link & IXGBE_LINK_SPEED_100_FULL) ecmd->advertising |= ADVERTISED_100baseT_Full; + + if (hw->phy.multispeed_fiber && !autoneg) { + if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) + ecmd->advertising = ADVERTISED_10000baseT_Full; + } } if (autoneg) { @@ -314,6 +326,14 @@ static int ixgbe_set_settings(struct net_device *netdev, if (ecmd->advertising & ~ecmd->supported) return -EINVAL; + /* only allow one speed at a time if no autoneg */ + if (!ecmd->autoneg && hw->phy.multispeed_fiber) { + if (ecmd->advertising == + (ADVERTISED_10000baseT_Full | + ADVERTISED_1000baseT_Full)) + return -EINVAL; + } + old = hw->phy.autoneg_advertised; advertised = 0; if (ecmd->advertising & ADVERTISED_10000baseT_Full) @@ -1805,6 +1825,10 @@ static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter) unsigned int size = 1024; netdev_tx_t tx_ret_val; struct sk_buff *skb; + u32 flags_orig = adapter->flags; + + /* DCB can modify the frames on Tx */ + adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED; /* allocate test skb */ skb = alloc_skb(size, GFP_KERNEL); @@ -1857,6 +1881,7 @@ static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter) /* free the original skb */ kfree_skb(skb); + adapter->flags = flags_orig; return ret_val; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 7aba452..0ade0cd 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3571,7 +3571,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; int i; - u32 rxctrl; + u32 rxctrl, rfctl; /* disable receives while setting up the descriptors */ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); @@ -3580,6 +3580,13 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) ixgbe_setup_psrtype(adapter); ixgbe_setup_rdrxctl(adapter); + /* RSC Setup */ + rfctl = IXGBE_READ_REG(hw, IXGBE_RFCTL); + rfctl &= ~IXGBE_RFCTL_RSC_DIS; + if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) + rfctl |= IXGBE_RFCTL_RSC_DIS; + IXGBE_WRITE_REG(hw, IXGBE_RFCTL, rfctl); + /* Program registers for the distribution of queues */ ixgbe_setup_mrqc(adapter); @@ -5993,8 +6000,16 @@ static void ixgbe_sfp_link_config_subtask(struct ixgbe_adapter *adapter) adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG; speed = hw->phy.autoneg_advertised; - if ((!speed) && (hw->mac.ops.get_link_capabilities)) + if ((!speed) && (hw->mac.ops.get_link_capabilities)) { hw->mac.ops.get_link_capabilities(hw, &speed, &autoneg); + + /* setup the highest link when no autoneg */ + if (!autoneg) { + if (speed & IXGBE_LINK_SPEED_10GB_FULL) + speed = IXGBE_LINK_SPEED_10GB_FULL; + } + } + if (hw->mac.ops.setup_link) hw->mac.ops.setup_link(hw, speed, true); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h index 6442cf8..10775cb 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h @@ -1861,6 +1861,7 @@ enum { #define IXGBE_RFCTL_ISCSI_DIS 0x00000001 #define IXGBE_RFCTL_ISCSI_DWC_MASK 0x0000003E #define IXGBE_RFCTL_ISCSI_DWC_SHIFT 1 +#define IXGBE_RFCTL_RSC_DIS 0x00000020 #define IXGBE_RFCTL_NFSW_DIS 0x00000040 #define IXGBE_RFCTL_NFSR_DIS 0x00000080 #define IXGBE_RFCTL_NFS_VER_MASK 0x00000300 diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index bfdb0686..6a6c1f7 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -282,8 +282,7 @@ ltq_etop_hw_init(struct net_device *dev) if (IS_TX(i)) { ltq_dma_alloc_tx(&ch->dma); - request_irq(irq, ltq_etop_dma_irq, IRQF_DISABLED, - "etop_tx", priv); + request_irq(irq, ltq_etop_dma_irq, 0, "etop_tx", priv); } else if (IS_RX(i)) { ltq_dma_alloc_rx(&ch->dma); for (ch->dma.desc = 0; ch->dma.desc < LTQ_DESC_NUM; @@ -291,8 +290,7 @@ ltq_etop_hw_init(struct net_device *dev) if (ltq_etop_alloc_skb(ch)) return -ENOMEM; ch->dma.desc = 0; - request_irq(irq, ltq_etop_dma_irq, IRQF_DISABLED, - "etop_rx", priv); + request_irq(irq, ltq_etop_dma_irq, 0, "etop_rx", priv); } ch->dma.irq = irq; } diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 4ae0c74..fff6246 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -1123,8 +1123,7 @@ static int pxa168_eth_open(struct net_device *dev) struct pxa168_eth_private *pep = netdev_priv(dev); int err; - err = request_irq(dev->irq, pxa168_eth_int_handler, - IRQF_DISABLED, dev->name, dev); + err = request_irq(dev->irq, pxa168_eth_int_handler, 0, dev->name, dev); if (err) { dev_err(&dev->dev, "can't assign irq\n"); return -EAGAIN; diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index ef94a59..1a9c4f6 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -3092,6 +3092,9 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, if (!nskb) goto resubmit; + skb = e->skb; + prefetch(skb->data); + if (skge_rx_setup(skge, e, nskb, skge->rx_buf_size) < 0) { dev_kfree_skb(nskb); goto resubmit; @@ -3101,8 +3104,6 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, dma_unmap_addr(e, mapaddr), dma_unmap_len(e, maplen), PCI_DMA_FROMDEVICE); - skb = e->skb; - prefetch(skb->data); } skb_put(skb, len); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index a28cd80..0c75098 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -53,9 +53,11 @@ static int mlx4_en_moderation_update(struct mlx4_en_priv *priv) for (i = 0; i < priv->tx_ring_num; i++) { priv->tx_cq[i].moder_cnt = priv->tx_frames; priv->tx_cq[i].moder_time = priv->tx_usecs; - err = mlx4_en_set_cq_moder(priv, &priv->tx_cq[i]); - if (err) - return err; + if (priv->port_up) { + err = mlx4_en_set_cq_moder(priv, &priv->tx_cq[i]); + if (err) + return err; + } } if (priv->adaptive_rx_coal) @@ -65,9 +67,11 @@ static int mlx4_en_moderation_update(struct mlx4_en_priv *priv) priv->rx_cq[i].moder_cnt = priv->rx_frames; priv->rx_cq[i].moder_time = priv->rx_usecs; priv->last_moder_time[i] = MLX4_EN_AUTO_CONF; - err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]); - if (err) - return err; + if (priv->port_up) { + err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]); + if (err) + return err; + } } return err; diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c index 0fba153..075f4e2 100644 --- a/drivers/net/ethernet/micrel/ks8851_mll.c +++ b/drivers/net/ethernet/micrel/ks8851_mll.c @@ -915,7 +915,7 @@ static int ks_net_open(struct net_device *netdev) struct ks_net *ks = netdev_priv(netdev); int err; -#define KS_INT_FLAGS (IRQF_DISABLED|IRQF_TRIGGER_LOW) +#define KS_INT_FLAGS IRQF_TRIGGER_LOW /* lock the card, even if we may not actually do anything * else at the moment. */ diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c index c20766c..79257f7 100644 --- a/drivers/net/ethernet/natsemi/jazzsonic.c +++ b/drivers/net/ethernet/natsemi/jazzsonic.c @@ -83,8 +83,7 @@ static int jazzsonic_open(struct net_device* dev) { int retval; - retval = request_irq(dev->irq, sonic_interrupt, IRQF_DISABLED, - "sonic", dev); + retval = request_irq(dev->irq, sonic_interrupt, 0, "sonic", dev); if (retval) { printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq); diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c index c2e0256..4da172a 100644 --- a/drivers/net/ethernet/natsemi/xtsonic.c +++ b/drivers/net/ethernet/natsemi/xtsonic.c @@ -95,8 +95,7 @@ static int xtsonic_open(struct net_device *dev) { int retval; - retval = request_irq(dev->irq, sonic_interrupt, IRQF_DISABLED, - "sonic", dev); + retval = request_irq(dev->irq, sonic_interrupt, 0, "sonic", dev); if (retval) { printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq); diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c index c498181..5b65356 100644 --- a/drivers/net/ethernet/pasemi/pasemi_mac.c +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c @@ -1219,7 +1219,7 @@ static int pasemi_mac_open(struct net_device *dev) snprintf(mac->tx_irq_name, sizeof(mac->tx_irq_name), "%s tx", dev->name); - ret = request_irq(mac->tx->chan.irq, pasemi_mac_tx_intr, IRQF_DISABLED, + ret = request_irq(mac->tx->chan.irq, pasemi_mac_tx_intr, 0, mac->tx_irq_name, mac->tx); if (ret) { dev_err(&mac->pdev->dev, "request_irq of irq %d failed: %d\n", @@ -1230,7 +1230,7 @@ static int pasemi_mac_open(struct net_device *dev) snprintf(mac->rx_irq_name, sizeof(mac->rx_irq_name), "%s rx", dev->name); - ret = request_irq(mac->rx->chan.irq, pasemi_mac_rx_intr, IRQF_DISABLED, + ret = request_irq(mac->rx->chan.irq, pasemi_mac_rx_intr, 0, mac->rx_irq_name, mac->rx); if (ret) { dev_err(&mac->pdev->dev, "request_irq of irq %d failed: %d\n", diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 652cc13..392b9bd 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -1561,6 +1561,7 @@ static int qlcnic_sriov_vf_reinit_driver(struct qlcnic_adapter *adapter) { int err; + adapter->need_fw_reset = 0; qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); qlcnic_83xx_enable_mbx_interrupt(adapter); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 6f87f2c..3397cee 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -4231,6 +4231,7 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp) case RTL_GIGA_MAC_VER_23: case RTL_GIGA_MAC_VER_24: case RTL_GIGA_MAC_VER_34: + case RTL_GIGA_MAC_VER_35: RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); break; case RTL_GIGA_MAC_VER_40: diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig index 8b71525..0889212 100644 --- a/drivers/net/ethernet/sfc/Kconfig +++ b/drivers/net/ethernet/sfc/Kconfig @@ -7,7 +7,7 @@ config SFC select I2C_ALGOBIT select PTP_1588_CLOCK ---help--- - This driver supports 10-gigabit Ethernet cards based on + This driver supports 10/40-gigabit Ethernet cards based on the Solarflare SFC4000, SFC9000-family and SFC9100-family controllers. diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 5f42313..9f18ae9 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -94,7 +94,7 @@ static unsigned int efx_ef10_mem_map_size(struct efx_nic *efx) return resource_size(&efx->pci_dev->resource[EFX_MEM_BAR]); } -static int efx_ef10_init_capabilities(struct efx_nic *efx) +static int efx_ef10_init_datapath_caps(struct efx_nic *efx) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_OUT_LEN); struct efx_ef10_nic_data *nic_data = efx->nic_data; @@ -107,16 +107,27 @@ static int efx_ef10_init_capabilities(struct efx_nic *efx) outbuf, sizeof(outbuf), &outlen); if (rc) return rc; + if (outlen < sizeof(outbuf)) { + netif_err(efx, drv, efx->net_dev, + "unable to read datapath firmware capabilities\n"); + return -EIO; + } - if (outlen >= sizeof(outbuf)) { - nic_data->datapath_caps = - MCDI_DWORD(outbuf, GET_CAPABILITIES_OUT_FLAGS1); - if (!(nic_data->datapath_caps & - (1 << MC_CMD_GET_CAPABILITIES_OUT_TX_TSO_LBN))) { - netif_err(efx, drv, efx->net_dev, - "Capabilities don't indicate TSO support.\n"); - return -ENODEV; - } + nic_data->datapath_caps = + MCDI_DWORD(outbuf, GET_CAPABILITIES_OUT_FLAGS1); + + if (!(nic_data->datapath_caps & + (1 << MC_CMD_GET_CAPABILITIES_OUT_TX_TSO_LBN))) { + netif_err(efx, drv, efx->net_dev, + "current firmware does not support TSO\n"); + return -ENODEV; + } + + if (!(nic_data->datapath_caps & + (1 << MC_CMD_GET_CAPABILITIES_OUT_RX_PREFIX_LEN_14_LBN))) { + netif_err(efx, probe, efx->net_dev, + "current firmware does not support an RX prefix\n"); + return -ENODEV; } return 0; @@ -217,21 +228,13 @@ static int efx_ef10_probe(struct efx_nic *efx) if (rc) goto fail3; - rc = efx_ef10_init_capabilities(efx); + rc = efx_ef10_init_datapath_caps(efx); if (rc < 0) goto fail3; efx->rx_packet_len_offset = ES_DZ_RX_PREFIX_PKTLEN_OFST - ES_DZ_RX_PREFIX_SIZE; - if (!(nic_data->datapath_caps & - (1 << MC_CMD_GET_CAPABILITIES_OUT_RX_PREFIX_LEN_14_LBN))) { - netif_err(efx, probe, efx->net_dev, - "current firmware does not support an RX prefix\n"); - rc = -ENODEV; - goto fail3; - } - rc = efx_mcdi_port_get_number(efx); if (rc < 0) goto fail3; @@ -260,8 +263,6 @@ static int efx_ef10_probe(struct efx_nic *efx) if (rc) goto fail3; - efx_ptp_probe(efx); - return 0; fail3: @@ -342,6 +343,13 @@ static int efx_ef10_init_nic(struct efx_nic *efx) struct efx_ef10_nic_data *nic_data = efx->nic_data; int rc; + if (nic_data->must_check_datapath_caps) { + rc = efx_ef10_init_datapath_caps(efx); + if (rc) + return rc; + nic_data->must_check_datapath_caps = false; + } + if (nic_data->must_realloc_vis) { /* We cannot let the number of VIs change now */ rc = efx_ef10_alloc_vis(efx, nic_data->n_allocated_vis, @@ -710,6 +718,14 @@ static int efx_ef10_mcdi_poll_reboot(struct efx_nic *efx) nic_data->must_restore_filters = true; nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID; + /* The datapath firmware might have been changed */ + nic_data->must_check_datapath_caps = true; + + /* MAC statistics have been cleared on the NIC; clear the local + * statistic that we update with efx_update_diff_stat(). + */ + nic_data->stats[EF10_STAT_rx_bad_bytes] = 0; + return -EIO; } diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c index 8d33da6..7b6be61 100644 --- a/drivers/net/ethernet/sfc/mcdi_port.c +++ b/drivers/net/ethernet/sfc/mcdi_port.c @@ -556,6 +556,7 @@ static int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ec case 100: caps = 1 << MC_CMD_PHY_CAP_100FDX_LBN; break; case 1000: caps = 1 << MC_CMD_PHY_CAP_1000FDX_LBN; break; case 10000: caps = 1 << MC_CMD_PHY_CAP_10000FDX_LBN; break; + case 40000: caps = 1 << MC_CMD_PHY_CAP_40000FDX_LBN; break; default: return -EINVAL; } } else { @@ -841,6 +842,7 @@ static unsigned int efx_mcdi_event_link_speed[] = { [MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100, [MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000, [MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000, + [MCDI_EVENT_LINKCHANGE_SPEED_40G] = 40000, }; void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev) diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h index 4b1e188..fda29d3 100644 --- a/drivers/net/ethernet/sfc/nic.h +++ b/drivers/net/ethernet/sfc/nic.h @@ -400,6 +400,8 @@ enum { * @rx_rss_context: Firmware handle for our RSS context * @stats: Hardware statistics * @workaround_35388: Flag: firmware supports workaround for bug 35388 + * @must_check_datapath_caps: Flag: @datapath_caps needs to be revalidated + * after MC reboot * @datapath_caps: Capabilities of datapath firmware (FLAGS1 field of * %MC_CMD_GET_CAPABILITIES response) */ @@ -413,6 +415,7 @@ struct efx_ef10_nic_data { u32 rx_rss_context; u64 stats[EF10_STAT_COUNT]; bool workaround_35388; + bool must_check_datapath_caps; u32 datapath_caps; }; diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h index 370e13d..5730fe2 100644 --- a/drivers/net/ethernet/smsc/smc91x.h +++ b/drivers/net/ethernet/smsc/smc91x.h @@ -271,7 +271,7 @@ static inline void mcf_outsw(void *a, unsigned char *p, int l) #define SMC_insw(a, r, p, l) mcf_insw(a + r, p, l) #define SMC_outsw(a, r, p, l) mcf_outsw(a + r, p, l) -#define SMC_IRQ_FLAGS (IRQF_DISABLED) +#define SMC_IRQ_FLAGS 0 #else diff --git a/drivers/net/ethernet/smsc/smsc9420.c b/drivers/net/ethernet/smsc/smsc9420.c index ffa5c4a..5f9e79f 100644 --- a/drivers/net/ethernet/smsc/smsc9420.c +++ b/drivers/net/ethernet/smsc/smsc9420.c @@ -1356,8 +1356,7 @@ static int smsc9420_open(struct net_device *dev) smsc9420_reg_write(pd, INT_STAT, 0xFFFFFFFF); smsc9420_pci_flush_write(pd); - result = request_irq(irq, smsc9420_isr, IRQF_SHARED | IRQF_DISABLED, - DRV_NAME, pd); + result = request_irq(irq, smsc9420_isr, IRQF_SHARED, DRV_NAME, pd); if (result) { smsc_warn(IFUP, "Unable to use IRQ = %d", irq); result = -ENODEV; diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.c b/drivers/net/ethernet/toshiba/ps3_gelic_net.c index 9c805e0..f7f2ef4 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_net.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.c @@ -1726,7 +1726,7 @@ static int ps3_gelic_driver_probe(struct ps3_system_bus_device *dev) goto fail_alloc_irq; } result = request_irq(card->irq, gelic_card_interrupt, - IRQF_DISABLED, netdev->name, card); + 0, netdev->name, card); if (result) { dev_info(ctodev(card), "%s:request_irq failed (%d)\n", diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c index f07c340..3f138ca 100644 --- a/drivers/net/irda/mcs7780.c +++ b/drivers/net/irda/mcs7780.c @@ -191,8 +191,8 @@ static inline int mcs_setup_transceiver_vishay(struct mcs_cb *mcs) goto error; ret = 0; - error: - return ret; +error: + return ret; } /* Setup a communication between mcs7780 and agilent chip. */ @@ -501,8 +501,11 @@ static inline int mcs_setup_urbs(struct mcs_cb *mcs) return 0; mcs->rx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!mcs->rx_urb) + if (!mcs->rx_urb) { + usb_free_urb(mcs->tx_urb); + mcs->tx_urb = NULL; return 0; + } return 1; } @@ -643,9 +646,9 @@ static int mcs_speed_change(struct mcs_cb *mcs) ret = mcs_set_reg(mcs, MCS_MODE_REG, rval); mcs->speed = mcs->new_speed; - error: - mcs->new_speed = 0; - return ret; +error: + mcs->new_speed = 0; + return ret; } /* Ioctl calls not supported at this time. Can be an area of future work. */ @@ -738,17 +741,20 @@ static int mcs_net_open(struct net_device *netdev) ret = mcs_receive_start(mcs); if (ret) - goto error3; + goto error4; netif_start_queue(netdev); return 0; - error3: - irlap_close(mcs->irlap); - error2: - kfree_skb(mcs->rx_buff.skb); - error1: - return ret; +error4: + usb_free_urb(mcs->rx_urb); + usb_free_urb(mcs->tx_urb); +error3: + irlap_close(mcs->irlap); +error2: + kfree_skb(mcs->rx_buff.skb); +error1: + return ret; } /* Receive callback function. */ @@ -946,11 +952,11 @@ static int mcs_probe(struct usb_interface *intf, usb_set_intfdata(intf, mcs); return 0; - error2: - free_netdev(ndev); +error2: + free_netdev(ndev); - error1: - return ret; +error1: + return ret; } /* The current device is removed, the USB layer tells us to shut down. */ diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index fcbf680..a17d85a 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -146,6 +146,7 @@ static int loopback_dev_init(struct net_device *dev) static void loopback_dev_free(struct net_device *dev) { + dev_net(dev)->loopback_dev = NULL; free_percpu(dev->lstats); free_netdev(dev); } diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index dcb2134..adeee61 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -684,15 +684,12 @@ restart: case NETDEV_RELEASE: case NETDEV_JOIN: case NETDEV_UNREGISTER: - /* - * rtnl_lock already held + /* rtnl_lock already held * we might sleep in __netpoll_cleanup() */ spin_unlock_irqrestore(&target_list_lock, flags); - mutex_lock(&nt->mutex); __netpoll_cleanup(&nt->np); - mutex_unlock(&nt->mutex); spin_lock_irqsave(&target_list_lock, flags); dev_put(nt->np.dev); diff --git a/drivers/net/phy/cicada.c b/drivers/net/phy/cicada.c index db472ff..313a037 100644 --- a/drivers/net/phy/cicada.c +++ b/drivers/net/phy/cicada.c @@ -30,9 +30,9 @@ #include <linux/ethtool.h> #include <linux/phy.h> -#include <asm/io.h> +#include <linux/io.h> #include <asm/irq.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> /* Cicada Extended Control Register 1 */ #define MII_CIS8201_EXT_CON1 0x17 diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c index 6fa5ae0..0180531 100644 --- a/drivers/net/ppp/pptp.c +++ b/drivers/net/ppp/pptp.c @@ -281,7 +281,7 @@ static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb) nf_reset(skb); skb->ip_summed = CHECKSUM_NONE; - ip_select_ident(iph, &rt->dst, NULL); + ip_select_ident(skb, &rt->dst, NULL); ip_send_check(iph); ip_local_out(skb); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index a639de8..807815f 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1641,11 +1641,11 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) INIT_LIST_HEAD(&tun->disabled); err = tun_attach(tun, file, false); if (err < 0) - goto err_free_dev; + goto err_free_flow; err = register_netdevice(tun->dev); if (err < 0) - goto err_free_dev; + goto err_detach; if (device_create_file(&tun->dev->dev, &dev_attr_tun_flags) || device_create_file(&tun->dev->dev, &dev_attr_owner) || @@ -1689,7 +1689,12 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) strcpy(ifr->ifr_name, tun->dev->name); return 0; - err_free_dev: +err_detach: + tun_detach_all(dev); +err_free_flow: + tun_flow_uninit(tun); + security_tun_dev_free_security(tun->security); +err_free_dev: free_netdev(dev); return err; } diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 03ad4dc..2023f3e 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -33,7 +33,7 @@ #include <linux/usb/usbnet.h> -#if defined(CONFIG_USB_NET_RNDIS_HOST) || defined(CONFIG_USB_NET_RNDIS_HOST_MODULE) +#if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST) static int is_rndis(struct usb_interface_descriptor *desc) { @@ -69,8 +69,7 @@ static const u8 mbm_guid[16] = { 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a, }; -/* - * probes control interface, claims data interface, collects the bulk +/* probes control interface, claims data interface, collects the bulk * endpoints, activates data interface (if needed), maybe sets MTU. * all pure cdc, except for certain firmware workarounds, and knowing * that rndis uses one different rule. @@ -88,7 +87,7 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) struct usb_cdc_mdlm_desc *desc = NULL; struct usb_cdc_mdlm_detail_desc *detail = NULL; - if (sizeof dev->data < sizeof *info) + if (sizeof(dev->data) < sizeof(*info)) return -EDOM; /* expect strict spec conformance for the descriptors, but @@ -126,10 +125,10 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) is_activesync(&intf->cur_altsetting->desc) || is_wireless_rndis(&intf->cur_altsetting->desc)); - memset(info, 0, sizeof *info); + memset(info, 0, sizeof(*info)); info->control = intf; while (len > 3) { - if (buf [1] != USB_DT_CS_INTERFACE) + if (buf[1] != USB_DT_CS_INTERFACE) goto next_desc; /* use bDescriptorSubType to identify the CDC descriptors. @@ -139,14 +138,14 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) * in favor of a complicated OID-based RPC scheme doing what * CDC Ethernet achieves with a simple descriptor. */ - switch (buf [2]) { + switch (buf[2]) { case USB_CDC_HEADER_TYPE: if (info->header) { dev_dbg(&intf->dev, "extra CDC header\n"); goto bad_desc; } info->header = (void *) buf; - if (info->header->bLength != sizeof *info->header) { + if (info->header->bLength != sizeof(*info->header)) { dev_dbg(&intf->dev, "CDC header len %u\n", info->header->bLength); goto bad_desc; @@ -175,7 +174,7 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) goto bad_desc; } info->u = (void *) buf; - if (info->u->bLength != sizeof *info->u) { + if (info->u->bLength != sizeof(*info->u)) { dev_dbg(&intf->dev, "CDC union len %u\n", info->u->bLength); goto bad_desc; @@ -233,7 +232,7 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) goto bad_desc; } info->ether = (void *) buf; - if (info->ether->bLength != sizeof *info->ether) { + if (info->ether->bLength != sizeof(*info->ether)) { dev_dbg(&intf->dev, "CDC ether len %u\n", info->ether->bLength); goto bad_desc; @@ -274,8 +273,8 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) break; } next_desc: - len -= buf [0]; /* bLength */ - buf += buf [0]; + len -= buf[0]; /* bLength */ + buf += buf[0]; } /* Microsoft ActiveSync based and some regular RNDIS devices lack the @@ -379,9 +378,7 @@ void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) } EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); -/*------------------------------------------------------------------------- - * - * Communications Device Class, Ethernet Control model +/* Communications Device Class, Ethernet Control model * * Takes two interfaces. The DATA interface is inactive till an altsetting * is selected. Configuration data includes class descriptors. There's @@ -389,8 +386,7 @@ EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); * * This should interop with whatever the 2.4 "CDCEther.c" driver * (by Brad Hards) talked with, with more functionality. - * - *-------------------------------------------------------------------------*/ + */ static void dumpspeed(struct usbnet *dev, __le32 *speeds) { @@ -404,7 +400,7 @@ void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) { struct usb_cdc_notification *event; - if (urb->actual_length < sizeof *event) + if (urb->actual_length < sizeof(*event)) return; /* SPEED_CHANGE can get split into two 8-byte packets */ @@ -423,7 +419,7 @@ void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", urb->actual_length); - if (urb->actual_length != (sizeof *event + 8)) + if (urb->actual_length != (sizeof(*event) + 8)) set_bit(EVENT_STS_SPLIT, &dev->flags); else dumpspeed(dev, (__le32 *) &event[1]); @@ -469,7 +465,6 @@ EXPORT_SYMBOL_GPL(usbnet_cdc_bind); static const struct driver_info cdc_info = { .description = "CDC Ethernet Device", .flags = FLAG_ETHER | FLAG_POINTTOPOINT, - // .check_connect = cdc_check_connect, .bind = usbnet_cdc_bind, .unbind = usbnet_cdc_unbind, .status = usbnet_cdc_status, @@ -493,9 +488,8 @@ static const struct driver_info wwan_info = { #define DELL_VENDOR_ID 0x413C #define REALTEK_VENDOR_ID 0x0bda -static const struct usb_device_id products [] = { -/* - * BLACKLIST !! +static const struct usb_device_id products[] = { +/* BLACKLIST !! * * First blacklist any products that are egregiously nonconformant * with the CDC Ethernet specs. Minor braindamage we cope with; when @@ -542,7 +536,7 @@ static const struct usb_device_id products [] = { .driver_info = 0, }, { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO - | USB_DEVICE_ID_MATCH_DEVICE, + | USB_DEVICE_ID_MATCH_DEVICE, .idVendor = 0x04DD, .idProduct = 0x8007, /* C-700 */ ZAURUS_MASTER_INTERFACE, @@ -659,8 +653,7 @@ static const struct usb_device_id products [] = { .driver_info = 0, }, -/* - * WHITELIST!!! +/* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. * We match the main interface, ignoring the optional device @@ -672,60 +665,40 @@ static const struct usb_device_id products [] = { */ { /* ZTE (Vodafone) K3805-Z */ - .match_flags = USB_DEVICE_ID_MATCH_VENDOR - | USB_DEVICE_ID_MATCH_PRODUCT - | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = ZTE_VENDOR_ID, - .idProduct = 0x1003, - .bInterfaceClass = USB_CLASS_COMM, - .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, - .bInterfaceProtocol = USB_CDC_PROTO_NONE, + USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&wwan_info, }, { /* ZTE (Vodafone) K3806-Z */ - .match_flags = USB_DEVICE_ID_MATCH_VENDOR - | USB_DEVICE_ID_MATCH_PRODUCT - | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = ZTE_VENDOR_ID, - .idProduct = 0x1015, - .bInterfaceClass = USB_CLASS_COMM, - .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, - .bInterfaceProtocol = USB_CDC_PROTO_NONE, + USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&wwan_info, }, { /* ZTE (Vodafone) K4510-Z */ - .match_flags = USB_DEVICE_ID_MATCH_VENDOR - | USB_DEVICE_ID_MATCH_PRODUCT - | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = ZTE_VENDOR_ID, - .idProduct = 0x1173, - .bInterfaceClass = USB_CLASS_COMM, - .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, - .bInterfaceProtocol = USB_CDC_PROTO_NONE, + USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&wwan_info, }, { /* ZTE (Vodafone) K3770-Z */ - .match_flags = USB_DEVICE_ID_MATCH_VENDOR - | USB_DEVICE_ID_MATCH_PRODUCT - | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = ZTE_VENDOR_ID, - .idProduct = 0x1177, - .bInterfaceClass = USB_CLASS_COMM, - .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, - .bInterfaceProtocol = USB_CDC_PROTO_NONE, + USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&wwan_info, }, { /* ZTE (Vodafone) K3772-Z */ - .match_flags = USB_DEVICE_ID_MATCH_VENDOR - | USB_DEVICE_ID_MATCH_PRODUCT - | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = ZTE_VENDOR_ID, - .idProduct = 0x1181, - .bInterfaceClass = USB_CLASS_COMM, - .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, - .bInterfaceProtocol = USB_CDC_PROTO_NONE, + USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&wwan_info, }, { + /* Telit modules */ + USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = (kernel_ulong_t) &wwan_info, +}, { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), .driver_info = (unsigned long) &cdc_info, @@ -736,15 +709,11 @@ static const struct usb_device_id products [] = { }, { /* Various Huawei modems with a network port like the UMG1831 */ - .match_flags = USB_DEVICE_ID_MATCH_VENDOR - | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = HUAWEI_VENDOR_ID, - .bInterfaceClass = USB_CLASS_COMM, - .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, - .bInterfaceProtocol = 255, + USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, 255), .driver_info = (unsigned long)&wwan_info, }, - { }, // END + { }, /* END */ }; MODULE_DEVICE_TABLE(usb, products); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index bf64b41..d1292fe 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -564,7 +564,7 @@ static void vxlan_notify_add_rx_port(struct sock *sk) struct net_device *dev; struct net *net = sock_net(sk); sa_family_t sa_family = sk->sk_family; - u16 port = htons(inet_sk(sk)->inet_sport); + __be16 port = inet_sk(sk)->inet_sport; rcu_read_lock(); for_each_netdev_rcu(net, dev) { @@ -581,7 +581,7 @@ static void vxlan_notify_del_rx_port(struct sock *sk) struct net_device *dev; struct net *net = sock_net(sk); sa_family_t sa_family = sk->sk_family; - u16 port = htons(inet_sk(sk)->inet_sport); + __be16 port = inet_sk(sk)->inet_sport; rcu_read_lock(); for_each_netdev_rcu(net, dev) { @@ -2021,7 +2021,8 @@ static struct device_type vxlan_type = { }; /* Calls the ndo_add_vxlan_port of the caller in order to - * supply the listening VXLAN udp ports. + * supply the listening VXLAN udp ports. Callers are expected + * to implement the ndo_add_vxlan_port. */ void vxlan_get_rx_port(struct net_device *dev) { @@ -2029,16 +2030,13 @@ void vxlan_get_rx_port(struct net_device *dev) struct net *net = dev_net(dev); struct vxlan_net *vn = net_generic(net, vxlan_net_id); sa_family_t sa_family; - u16 port; - int i; - - if (!dev || !dev->netdev_ops || !dev->netdev_ops->ndo_add_vxlan_port) - return; + __be16 port; + unsigned int i; spin_lock(&vn->sock_lock); for (i = 0; i < PORT_HASH_SIZE; ++i) { - hlist_for_each_entry_rcu(vs, vs_head(net, i), hlist) { - port = htons(inet_sk(vs->sock->sk)->inet_sport); + hlist_for_each_entry_rcu(vs, &vn->sock_list[i], hlist) { + port = inet_sk(vs->sock->sk)->inet_sport; sa_family = vs->sock->sk->sk_family; dev->netdev_ops->ndo_add_vxlan_port(dev, sa_family, port); @@ -2492,15 +2490,19 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, SET_ETHTOOL_OPS(dev, &vxlan_ethtool_ops); - /* create an fdb entry for default destination */ - err = vxlan_fdb_create(vxlan, all_zeros_mac, - &vxlan->default_dst.remote_ip, - NUD_REACHABLE|NUD_PERMANENT, - NLM_F_EXCL|NLM_F_CREATE, - vxlan->dst_port, vxlan->default_dst.remote_vni, - vxlan->default_dst.remote_ifindex, NTF_SELF); - if (err) - return err; + /* create an fdb entry for a valid default destination */ + if (!vxlan_addr_any(&vxlan->default_dst.remote_ip)) { + err = vxlan_fdb_create(vxlan, all_zeros_mac, + &vxlan->default_dst.remote_ip, + NUD_REACHABLE|NUD_PERMANENT, + NLM_F_EXCL|NLM_F_CREATE, + vxlan->dst_port, + vxlan->default_dst.remote_vni, + vxlan->default_dst.remote_ifindex, + NTF_SELF); + if (err) + return err; + } err = register_netdevice(dev); if (err) { diff --git a/drivers/net/wireless/brcm80211/Kconfig b/drivers/net/wireless/brcm80211/Kconfig index fc8a0fa..b00a7e9 100644 --- a/drivers/net/wireless/brcm80211/Kconfig +++ b/drivers/net/wireless/brcm80211/Kconfig @@ -28,7 +28,7 @@ config BRCMFMAC config BRCMFMAC_SDIO bool "SDIO bus interface support for FullMAC driver" - depends on MMC + depends on (MMC = y || MMC = BRCMFMAC) depends on BRCMFMAC select FW_LOADER default y @@ -39,7 +39,7 @@ config BRCMFMAC_SDIO config BRCMFMAC_USB bool "USB bus interface support for FullMAC driver" - depends on USB + depends on (USB = y || USB = BRCMFMAC) depends on BRCMFMAC select FW_LOADER ---help--- diff --git a/drivers/net/wireless/cw1200/cw1200_spi.c b/drivers/net/wireless/cw1200/cw1200_spi.c index d063760..f5e6b48 100644 --- a/drivers/net/wireless/cw1200/cw1200_spi.c +++ b/drivers/net/wireless/cw1200/cw1200_spi.c @@ -40,7 +40,9 @@ struct hwbus_priv { struct cw1200_common *core; const struct cw1200_platform_data_spi *pdata; spinlock_t lock; /* Serialize all bus operations */ + wait_queue_head_t wq; int claimed; + int irq_disabled; }; #define SDIO_TO_SPI_ADDR(addr) ((addr & 0x1f)>>2) @@ -197,8 +199,11 @@ static void cw1200_spi_lock(struct hwbus_priv *self) { unsigned long flags; + DECLARE_WAITQUEUE(wait, current); + might_sleep(); + add_wait_queue(&self->wq, &wait); spin_lock_irqsave(&self->lock, flags); while (1) { set_current_state(TASK_UNINTERRUPTIBLE); @@ -211,6 +216,7 @@ static void cw1200_spi_lock(struct hwbus_priv *self) set_current_state(TASK_RUNNING); self->claimed = 1; spin_unlock_irqrestore(&self->lock, flags); + remove_wait_queue(&self->wq, &wait); return; } @@ -222,6 +228,8 @@ static void cw1200_spi_unlock(struct hwbus_priv *self) spin_lock_irqsave(&self->lock, flags); self->claimed = 0; spin_unlock_irqrestore(&self->lock, flags); + wake_up(&self->wq); + return; } @@ -230,6 +238,8 @@ static irqreturn_t cw1200_spi_irq_handler(int irq, void *dev_id) struct hwbus_priv *self = dev_id; if (self->core) { + disable_irq_nosync(self->func->irq); + self->irq_disabled = 1; cw1200_irq_handler(self->core); return IRQ_HANDLED; } else { @@ -263,13 +273,22 @@ exit: static int cw1200_spi_irq_unsubscribe(struct hwbus_priv *self) { - int ret = 0; - pr_debug("SW IRQ unsubscribe\n"); disable_irq_wake(self->func->irq); free_irq(self->func->irq, self); - return ret; + return 0; +} + +static int cw1200_spi_irq_enable(struct hwbus_priv *self, int enable) +{ + /* Disables are handled by the interrupt handler */ + if (enable && self->irq_disabled) { + enable_irq(self->func->irq); + self->irq_disabled = 0; + } + + return 0; } static int cw1200_spi_off(const struct cw1200_platform_data_spi *pdata) @@ -349,6 +368,7 @@ static struct hwbus_ops cw1200_spi_hwbus_ops = { .unlock = cw1200_spi_unlock, .align_size = cw1200_spi_align_size, .power_mgmt = cw1200_spi_pm, + .irq_enable = cw1200_spi_irq_enable, }; /* Probe Function to be called by SPI stack when device is discovered */ @@ -400,6 +420,8 @@ static int cw1200_spi_probe(struct spi_device *func) spi_set_drvdata(func, self); + init_waitqueue_head(&self->wq); + status = cw1200_spi_irq_subscribe(self); status = cw1200_core_probe(&cw1200_spi_hwbus_ops, diff --git a/drivers/net/wireless/cw1200/fwio.c b/drivers/net/wireless/cw1200/fwio.c index acdff0f..0b2061b 100644 --- a/drivers/net/wireless/cw1200/fwio.c +++ b/drivers/net/wireless/cw1200/fwio.c @@ -485,7 +485,7 @@ int cw1200_load_firmware(struct cw1200_common *priv) /* Enable interrupt signalling */ priv->hwbus_ops->lock(priv->hwbus_priv); - ret = __cw1200_irq_enable(priv, 1); + ret = __cw1200_irq_enable(priv, 2); priv->hwbus_ops->unlock(priv->hwbus_priv); if (ret < 0) goto unsubscribe; diff --git a/drivers/net/wireless/cw1200/hwbus.h b/drivers/net/wireless/cw1200/hwbus.h index 8b2fc83..51dfb3a 100644 --- a/drivers/net/wireless/cw1200/hwbus.h +++ b/drivers/net/wireless/cw1200/hwbus.h @@ -28,6 +28,7 @@ struct hwbus_ops { void (*unlock)(struct hwbus_priv *self); size_t (*align_size)(struct hwbus_priv *self, size_t size); int (*power_mgmt)(struct hwbus_priv *self, bool suspend); + int (*irq_enable)(struct hwbus_priv *self, int enable); }; #endif /* CW1200_HWBUS_H */ diff --git a/drivers/net/wireless/cw1200/hwio.c b/drivers/net/wireless/cw1200/hwio.c index ff230b7..41bd761 100644 --- a/drivers/net/wireless/cw1200/hwio.c +++ b/drivers/net/wireless/cw1200/hwio.c @@ -273,6 +273,21 @@ int __cw1200_irq_enable(struct cw1200_common *priv, int enable) u16 val16; int ret; + /* We need to do this hack because the SPI layer can sleep on I/O + and the general path involves I/O to the device in interrupt + context. + + However, the initial enable call needs to go to the hardware. + + We don't worry about shutdown because we do a full reset which + clears the interrupt enabled bits. + */ + if (priv->hwbus_ops->irq_enable) { + ret = priv->hwbus_ops->irq_enable(priv->hwbus_priv, enable); + if (ret || enable < 2) + return ret; + } + if (HIF_8601_SILICON == priv->hw_type) { ret = __cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, &val32); if (ret < 0) { diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 95e6e61..88ce656 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -6659,19 +6659,20 @@ int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev) rt2800_init_registers(rt2x00dev))) return -EIO; + if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev))) + return -EIO; + /* * Send signal to firmware during boot time. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); - if (rt2x00_is_usb(rt2x00dev)) { + if (rt2x00_is_usb(rt2x00dev)) rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0); - rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); - } + rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); msleep(1); - if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) || - rt2800_wait_bbp_ready(rt2x00dev))) + if (unlikely(rt2800_wait_bbp_ready(rt2x00dev))) return -EIO; rt2800_init_bbp(rt2x00dev); diff --git a/drivers/net/wireless/rtl818x/rtl8187/dev.c b/drivers/net/wireless/rtl818x/rtl8187/dev.c index 841fb9d..9a6edb0 100644 --- a/drivers/net/wireless/rtl818x/rtl8187/dev.c +++ b/drivers/net/wireless/rtl818x/rtl8187/dev.c @@ -438,17 +438,16 @@ static int rtl8187_init_urbs(struct ieee80211_hw *dev) skb_queue_tail(&priv->rx_queue, skb); usb_anchor_urb(entry, &priv->anchored); ret = usb_submit_urb(entry, GFP_KERNEL); + usb_put_urb(entry); if (ret) { skb_unlink(skb, &priv->rx_queue); usb_unanchor_urb(entry); goto err; } - usb_free_urb(entry); } return ret; err: - usb_free_urb(entry); kfree_skb(skb); usb_kill_anchored_urbs(&priv->anchored); return ret; @@ -956,8 +955,12 @@ static int rtl8187_start(struct ieee80211_hw *dev) (RETRY_COUNT << 8 /* short retry limit */) | (RETRY_COUNT << 0 /* long retry limit */) | (7 << 21 /* MAX TX DMA */)); - rtl8187_init_urbs(dev); - rtl8187b_init_status_urb(dev); + ret = rtl8187_init_urbs(dev); + if (ret) + goto rtl8187_start_exit; + ret = rtl8187b_init_status_urb(dev); + if (ret) + usb_kill_anchored_urbs(&priv->anchored); goto rtl8187_start_exit; } @@ -966,7 +969,9 @@ static int rtl8187_start(struct ieee80211_hw *dev) rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0); rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0); - rtl8187_init_urbs(dev); + ret = rtl8187_init_urbs(dev); + if (ret) + goto rtl8187_start_exit; reg = RTL818X_RX_CONF_ONLYERLPKT | RTL818X_RX_CONF_RX_AUTORESETPHY | diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index a197743..5715318 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -184,6 +184,7 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref, unsigned long rx_ring_ref, unsigned int tx_evtchn, unsigned int rx_evtchn); void xenvif_disconnect(struct xenvif *vif); +void xenvif_free(struct xenvif *vif); int xenvif_xenbus_init(void); void xenvif_xenbus_fini(void); diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 625c6f4..01bb854 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -353,6 +353,9 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, } netdev_dbg(dev, "Successfully created xenvif\n"); + + __module_get(THIS_MODULE); + return vif; } @@ -366,8 +369,6 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref, if (vif->tx_irq) return 0; - __module_get(THIS_MODULE); - err = xenvif_map_frontend_rings(vif, tx_ring_ref, rx_ring_ref); if (err < 0) goto err; @@ -406,7 +407,7 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref, init_waitqueue_head(&vif->wq); vif->task = kthread_create(xenvif_kthread, - (void *)vif, vif->dev->name); + (void *)vif, "%s", vif->dev->name); if (IS_ERR(vif->task)) { pr_warn("Could not allocate kthread for %s\n", vif->dev->name); err = PTR_ERR(vif->task); @@ -452,12 +453,6 @@ void xenvif_carrier_off(struct xenvif *vif) void xenvif_disconnect(struct xenvif *vif) { - /* Disconnect funtion might get called by generic framework - * even before vif connects, so we need to check if we really - * need to do a module_put. - */ - int need_module_put = 0; - if (netif_carrier_ok(vif->dev)) xenvif_carrier_off(vif); @@ -468,23 +463,22 @@ void xenvif_disconnect(struct xenvif *vif) unbind_from_irqhandler(vif->tx_irq, vif); unbind_from_irqhandler(vif->rx_irq, vif); } - /* vif->irq is valid, we had a module_get in - * xenvif_connect. - */ - need_module_put = 1; + vif->tx_irq = 0; } if (vif->task) kthread_stop(vif->task); + xenvif_unmap_frontend_rings(vif); +} + +void xenvif_free(struct xenvif *vif) +{ netif_napi_del(&vif->napi); unregister_netdev(vif->dev); - xenvif_unmap_frontend_rings(vif); - free_netdev(vif->dev); - if (need_module_put) - module_put(THIS_MODULE); + module_put(THIS_MODULE); } diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 956130c..f3e591c 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -212,6 +212,49 @@ static bool start_new_rx_buffer(int offset, unsigned long size, int head) return false; } +struct xenvif_count_slot_state { + unsigned long copy_off; + bool head; +}; + +unsigned int xenvif_count_frag_slots(struct xenvif *vif, + unsigned long offset, unsigned long size, + struct xenvif_count_slot_state *state) +{ + unsigned count = 0; + + offset &= ~PAGE_MASK; + + while (size > 0) { + unsigned long bytes; + + bytes = PAGE_SIZE - offset; + + if (bytes > size) + bytes = size; + + if (start_new_rx_buffer(state->copy_off, bytes, state->head)) { + count++; + state->copy_off = 0; + } + + if (state->copy_off + bytes > MAX_BUFFER_OFFSET) + bytes = MAX_BUFFER_OFFSET - state->copy_off; + + state->copy_off += bytes; + + offset += bytes; + size -= bytes; + + if (offset == PAGE_SIZE) + offset = 0; + + state->head = false; + } + + return count; +} + /* * Figure out how many ring slots we're going to need to send @skb to * the guest. This function is essentially a dry run of @@ -219,48 +262,39 @@ static bool start_new_rx_buffer(int offset, unsigned long size, int head) */ unsigned int xenvif_count_skb_slots(struct xenvif *vif, struct sk_buff *skb) { + struct xenvif_count_slot_state state; unsigned int count; - int i, copy_off; + unsigned char *data; + unsigned i; - count = DIV_ROUND_UP(skb_headlen(skb), PAGE_SIZE); + state.head = true; + state.copy_off = 0; - copy_off = skb_headlen(skb) % PAGE_SIZE; + /* Slot for the first (partial) page of data. */ + count = 1; + /* Need a slot for the GSO prefix for GSO extra data? */ if (skb_shinfo(skb)->gso_size) count++; - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - unsigned long size = skb_frag_size(&skb_shinfo(skb)->frags[i]); - unsigned long offset = skb_shinfo(skb)->frags[i].page_offset; - unsigned long bytes; - - offset &= ~PAGE_MASK; - - while (size > 0) { - BUG_ON(offset >= PAGE_SIZE); - BUG_ON(copy_off > MAX_BUFFER_OFFSET); - - bytes = PAGE_SIZE - offset; - - if (bytes > size) - bytes = size; + data = skb->data; + while (data < skb_tail_pointer(skb)) { + unsigned long offset = offset_in_page(data); + unsigned long size = PAGE_SIZE - offset; - if (start_new_rx_buffer(copy_off, bytes, 0)) { - count++; - copy_off = 0; - } + if (data + size > skb_tail_pointer(skb)) + size = skb_tail_pointer(skb) - data; - if (copy_off + bytes > MAX_BUFFER_OFFSET) - bytes = MAX_BUFFER_OFFSET - copy_off; + count += xenvif_count_frag_slots(vif, offset, size, &state); - copy_off += bytes; + data += size; + } - offset += bytes; - size -= bytes; + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + unsigned long size = skb_frag_size(&skb_shinfo(skb)->frags[i]); + unsigned long offset = skb_shinfo(skb)->frags[i].page_offset; - if (offset == PAGE_SIZE) - offset = 0; - } + count += xenvif_count_frag_slots(vif, offset, size, &state); } return count; } diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 1fe48fe3..a53782e 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -42,7 +42,7 @@ static int netback_remove(struct xenbus_device *dev) if (be->vif) { kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE); xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status"); - xenvif_disconnect(be->vif); + xenvif_free(be->vif); be->vif = NULL; } kfree(be); @@ -213,9 +213,18 @@ static void disconnect_backend(struct xenbus_device *dev) { struct backend_info *be = dev_get_drvdata(&dev->dev); + if (be->vif) + xenvif_disconnect(be->vif); +} + +static void destroy_backend(struct xenbus_device *dev) +{ + struct backend_info *be = dev_get_drvdata(&dev->dev); + if (be->vif) { + kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE); xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status"); - xenvif_disconnect(be->vif); + xenvif_free(be->vif); be->vif = NULL; } } @@ -246,14 +255,11 @@ static void frontend_changed(struct xenbus_device *dev, case XenbusStateConnected: if (dev->state == XenbusStateConnected) break; - backend_create_xenvif(be); if (be->vif) connect(be); break; case XenbusStateClosing: - if (be->vif) - kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE); disconnect_backend(dev); xenbus_switch_state(dev, XenbusStateClosing); break; @@ -262,6 +268,7 @@ static void frontend_changed(struct xenbus_device *dev, xenbus_switch_state(dev, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; + destroy_backend(dev); /* fall through if not online */ case XenbusStateUnknown: device_unregister(&dev->dev); |
