diff options
Diffstat (limited to 'drivers/net')
21 files changed, 222 insertions, 152 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index f8d7a2f06950..c82ab87fcbe8 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3430,25 +3430,29 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) return rc; } -#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) +/* VXLAN: 4 = 1 (for linear data BD) + 3 (2 for PBD and last BD) */ +#define BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS 4 + +/* Regular: 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */ +#define BNX2X_NUM_TSO_WIN_SUB_BDS 3 + +#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - BDS_PER_TX_PKT) /* check if packet requires linearization (packet is too fragmented) no need to check fragmentation if page size > 8K (there will be no violation to FW restrictions) */ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, u32 xmit_type) { - int to_copy = 0; - int hlen = 0; - int first_bd_sz = 0; + int first_bd_sz = 0, num_tso_win_sub = BNX2X_NUM_TSO_WIN_SUB_BDS; + int to_copy = 0, hlen = 0; - /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */ - if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) { + if (xmit_type & XMIT_GSO_ENC) + num_tso_win_sub = BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS; + if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - num_tso_win_sub)) { if (xmit_type & XMIT_GSO) { unsigned short lso_mss = skb_shinfo(skb)->gso_size; - /* Check if LSO packet needs to be copied: - 3 = 1 (for headers BD) + 2 (for PBD and last BD) */ - int wnd_size = MAX_FETCH_BD - 3; + int wnd_size = MAX_FETCH_BD - num_tso_win_sub; /* Number of windows to check */ int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size; int wnd_idx = 0; diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index d463563e1f70..6ee78c203eca 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -848,8 +848,6 @@ void be_roce_dev_remove(struct be_adapter *); /* * internal function to open-close roce device during ifup-ifdown. */ -void be_roce_dev_open(struct be_adapter *); -void be_roce_dev_close(struct be_adapter *); void be_roce_dev_shutdown(struct be_adapter *); #endif /* BE_H */ diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index b6ad02909d6b..8a1d9fffd7d6 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -3299,8 +3299,10 @@ static int be_msix_register(struct be_adapter *adapter) return 0; err_msix: - for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) + for (i--; i >= 0; i--) { + eqo = &adapter->eq_obj[i]; free_irq(be_msix_vec_get(adapter, eqo), eqo); + } dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", status); be_msix_disable(adapter); @@ -3432,8 +3434,6 @@ static int be_close(struct net_device *netdev) be_disable_if_filters(adapter); - be_roce_dev_close(adapter); - if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { for_all_evt_queues(adapter, eqo, i) { napi_disable(&eqo->napi); @@ -3601,8 +3601,6 @@ static int be_open(struct net_device *netdev) be_link_status_update(adapter, link_status); netif_tx_start_all_queues(netdev); - be_roce_dev_open(adapter); - #ifdef CONFIG_BE2NET_VXLAN if (skyhawk_chip(adapter)) vxlan_get_rx_port(netdev); diff --git a/drivers/net/ethernet/emulex/benet/be_roce.c b/drivers/net/ethernet/emulex/benet/be_roce.c index 60368207bf58..4089156a7f5e 100644 --- a/drivers/net/ethernet/emulex/benet/be_roce.c +++ b/drivers/net/ethernet/emulex/benet/be_roce.c @@ -116,40 +116,6 @@ void be_roce_dev_remove(struct be_adapter *adapter) } } -static void _be_roce_dev_open(struct be_adapter *adapter) -{ - if (ocrdma_drv && adapter->ocrdma_dev && - ocrdma_drv->state_change_handler) - ocrdma_drv->state_change_handler(adapter->ocrdma_dev, - BE_DEV_UP); -} - -void be_roce_dev_open(struct be_adapter *adapter) -{ - if (be_roce_supported(adapter)) { - mutex_lock(&be_adapter_list_lock); - _be_roce_dev_open(adapter); - mutex_unlock(&be_adapter_list_lock); - } -} - -static void _be_roce_dev_close(struct be_adapter *adapter) -{ - if (ocrdma_drv && adapter->ocrdma_dev && - ocrdma_drv->state_change_handler) - ocrdma_drv->state_change_handler(adapter->ocrdma_dev, - BE_DEV_DOWN); -} - -void be_roce_dev_close(struct be_adapter *adapter) -{ - if (be_roce_supported(adapter)) { - mutex_lock(&be_adapter_list_lock); - _be_roce_dev_close(adapter); - mutex_unlock(&be_adapter_list_lock); - } -} - void be_roce_dev_shutdown(struct be_adapter *adapter) { if (be_roce_supported(adapter)) { @@ -177,8 +143,6 @@ int be_roce_register_driver(struct ocrdma_driver *drv) _be_roce_dev_add(dev); netdev = dev->netdev; - if (netif_running(netdev) && netif_oper_up(netdev)) - _be_roce_dev_open(dev); } mutex_unlock(&be_adapter_list_lock); return 0; diff --git a/drivers/net/ethernet/emulex/benet/be_roce.h b/drivers/net/ethernet/emulex/benet/be_roce.h index cde6ef905ec4..fde609789483 100644 --- a/drivers/net/ethernet/emulex/benet/be_roce.h +++ b/drivers/net/ethernet/emulex/benet/be_roce.h @@ -60,9 +60,7 @@ struct ocrdma_driver { void (*state_change_handler) (struct ocrdma_dev *, u32 new_state); }; -enum { - BE_DEV_UP = 0, - BE_DEV_DOWN = 1, +enum be_roce_event { BE_DEV_SHUTDOWN = 2 }; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c index 8a083d73efdb..038f9ce391e6 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c @@ -242,6 +242,13 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev) unsigned long flags; u64 ns, zero = 0; + /* mlx4_en_init_timestamp is called for each netdev. + * mdev->ptp_clock is common for all ports, skip initialization if + * was done for other port. + */ + if (mdev->ptp_clock) + return; + rwlock_init(&mdev->clock_lock); memset(&mdev->cycles, 0, sizeof(mdev->cycles)); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c index 005f910ec955..e0ec280a7fa1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c @@ -232,9 +232,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr) if (mdev->pndev[i]) mlx4_en_destroy_netdev(mdev->pndev[i]); - if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) - mlx4_en_remove_timestamp(mdev); - flush_workqueue(mdev->workqueue); destroy_workqueue(mdev->workqueue); (void) mlx4_mr_free(dev, &mdev->mr); @@ -320,10 +317,6 @@ static void *mlx4_en_add(struct mlx4_dev *dev) mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) mdev->port_cnt++; - /* Initialize time stamp mechanism */ - if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) - mlx4_en_init_timestamp(mdev); - /* Set default number of RX rings*/ mlx4_en_set_num_rx_rings(mdev); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 886e1bc86374..7869f97de5da 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2072,6 +2072,9 @@ void mlx4_en_destroy_netdev(struct net_device *dev) /* flush any pending task for this netdev */ flush_workqueue(mdev->workqueue); + if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) + mlx4_en_remove_timestamp(mdev); + /* Detach the netdev so tasks would not attempt to access it */ mutex_lock(&mdev->state_lock); mdev->pndev[priv->port] = NULL; @@ -3058,9 +3061,12 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, } queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); + /* Initialize time stamp mechanism */ if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) - queue_delayed_work(mdev->workqueue, &priv->service_task, - SERVICE_TASK_DELAY); + mlx4_en_init_timestamp(mdev); + + queue_delayed_work(mdev->workqueue, &priv->service_task, + SERVICE_TASK_DELAY); mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap, mdev->profile.prof[priv->port].rx_ppp, diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c index b83f7c0fcf99..122c2ee3dfe2 100644 --- a/drivers/net/ethernet/natsemi/natsemi.c +++ b/drivers/net/ethernet/natsemi/natsemi.c @@ -1937,6 +1937,12 @@ static void refill_rx(struct net_device *dev) break; /* Better luck next round. */ np->rx_dma[entry] = pci_map_single(np->pci_dev, skb->data, buflen, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(np->pci_dev, + np->rx_dma[entry])) { + dev_kfree_skb_any(skb); + np->rx_skbuff[entry] = NULL; + break; /* Better luck next round. */ + } np->rx_ring[entry].addr = cpu_to_le32(np->rx_dma[entry]); } np->rx_ring[entry].cmd_status = cpu_to_le32(np->rx_buf_sz); @@ -2093,6 +2099,12 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev) np->tx_skbuff[entry] = skb; np->tx_dma[entry] = pci_map_single(np->pci_dev, skb->data,skb->len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(np->pci_dev, np->tx_dma[entry])) { + np->tx_skbuff[entry] = NULL; + dev_kfree_skb_irq(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; + } np->tx_ring[entry].addr = cpu_to_le32(np->tx_dma[entry]); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c index b1a452f291ee..34906750b7e7 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c @@ -252,7 +252,7 @@ int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter) state = QLCRDX(ahw, QLC_83XX_VNIC_STATE); } - if (!idc->vnic_wait_limit) { + if (state != QLCNIC_DEV_NPAR_OPER) { dev_err(&adapter->pdev->dev, "vNIC mode not operational, state check timed out.\n"); return -EIO; diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index a0eaf50499a2..6a8fc0f341ff 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1167,6 +1167,7 @@ static void sh_eth_ring_format(struct net_device *ndev) int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring; int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1; dma_addr_t dma_addr; + u32 buf_len; mdp->cur_rx = 0; mdp->cur_tx = 0; @@ -1187,9 +1188,9 @@ static void sh_eth_ring_format(struct net_device *ndev) /* RX descriptor */ rxdesc = &mdp->rx_ring[i]; /* The size of the buffer is a multiple of 32 bytes. */ - rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32); - dma_addr = dma_map_single(&ndev->dev, skb->data, - rxdesc->buffer_length, + buf_len = ALIGN(mdp->rx_buf_sz, 32); + rxdesc->len = cpu_to_edmac(mdp, buf_len << 16); + dma_addr = dma_map_single(&ndev->dev, skb->data, buf_len, DMA_FROM_DEVICE); if (dma_mapping_error(&ndev->dev, dma_addr)) { kfree_skb(skb); @@ -1220,7 +1221,7 @@ static void sh_eth_ring_format(struct net_device *ndev) mdp->tx_skbuff[i] = NULL; txdesc = &mdp->tx_ring[i]; txdesc->status = cpu_to_edmac(mdp, TD_TFP); - txdesc->buffer_length = 0; + txdesc->len = cpu_to_edmac(mdp, 0); if (i == 0) { /* Tx descriptor address set */ sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR); @@ -1429,7 +1430,8 @@ static int sh_eth_txfree(struct net_device *ndev) if (mdp->tx_skbuff[entry]) { dma_unmap_single(&ndev->dev, edmac_to_cpu(mdp, txdesc->addr), - txdesc->buffer_length, DMA_TO_DEVICE); + edmac_to_cpu(mdp, txdesc->len) >> 16, + DMA_TO_DEVICE); dev_kfree_skb_irq(mdp->tx_skbuff[entry]); mdp->tx_skbuff[entry] = NULL; free_num++; @@ -1439,7 +1441,7 @@ static int sh_eth_txfree(struct net_device *ndev) txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); ndev->stats.tx_packets++; - ndev->stats.tx_bytes += txdesc->buffer_length; + ndev->stats.tx_bytes += edmac_to_cpu(mdp, txdesc->len) >> 16; } return free_num; } @@ -1458,6 +1460,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) u32 desc_status; int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1; dma_addr_t dma_addr; + u32 buf_len; boguscnt = min(boguscnt, *quota); limit = boguscnt; @@ -1466,7 +1469,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) /* RACT bit must be checked before all the following reads */ dma_rmb(); desc_status = edmac_to_cpu(mdp, rxdesc->status); - pkt_len = rxdesc->frame_length; + pkt_len = edmac_to_cpu(mdp, rxdesc->len) & RD_RFL; if (--boguscnt < 0) break; @@ -1532,7 +1535,8 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) entry = mdp->dirty_rx % mdp->num_rx_ring; rxdesc = &mdp->rx_ring[entry]; /* The size of the buffer is 32 byte boundary. */ - rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32); + buf_len = ALIGN(mdp->rx_buf_sz, 32); + rxdesc->len = cpu_to_edmac(mdp, buf_len << 16); if (mdp->rx_skbuff[entry] == NULL) { skb = netdev_alloc_skb(ndev, skbuff_size); @@ -1540,8 +1544,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) break; /* Better luck next round. */ sh_eth_set_receive_align(skb); dma_addr = dma_map_single(&ndev->dev, skb->data, - rxdesc->buffer_length, - DMA_FROM_DEVICE); + buf_len, DMA_FROM_DEVICE); if (dma_mapping_error(&ndev->dev, dma_addr)) { kfree_skb(skb); break; @@ -2407,7 +2410,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) return NETDEV_TX_OK; } txdesc->addr = cpu_to_edmac(mdp, dma_addr); - txdesc->buffer_length = skb->len; + txdesc->len = cpu_to_edmac(mdp, skb->len << 16); dma_wmb(); /* TACT bit must be set after all the above writes */ if (entry >= mdp->num_tx_ring - 1) diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index 26ad1cf0bcf1..72fcfc924589 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -283,7 +283,7 @@ enum DMAC_IM_BIT { DMAC_M_RINT1 = 0x00000001, }; -/* Receive descriptor bit */ +/* Receive descriptor 0 bits */ enum RD_STS_BIT { RD_RACT = 0x80000000, RD_RDLE = 0x40000000, RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000, @@ -298,6 +298,12 @@ enum RD_STS_BIT { #define RDFEND RD_RFP0 #define RD_RFP (RD_RFP1|RD_RFP0) +/* Receive descriptor 1 bits */ +enum RD_LEN_BIT { + RD_RFL = 0x0000ffff, /* receive frame length */ + RD_RBL = 0xffff0000, /* receive buffer length */ +}; + /* FCFTR */ enum FCFTR_BIT { FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000, @@ -307,7 +313,7 @@ enum FCFTR_BIT { #define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0) #define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0) -/* Transmit descriptor bit */ +/* Transmit descriptor 0 bits */ enum TD_STS_BIT { TD_TACT = 0x80000000, TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000, TD_TFP0 = 0x10000000, @@ -317,6 +323,11 @@ enum TD_STS_BIT { #define TDFEND TD_TFP0 #define TD_TFP (TD_TFP1|TD_TFP0) +/* Transmit descriptor 1 bits */ +enum TD_LEN_BIT { + TD_TBL = 0xffff0000, /* transmit buffer length */ +}; + /* RMCR */ enum RMCR_BIT { RMCR_RNC = 0x00000001, @@ -425,15 +436,9 @@ enum TSU_FWSLC_BIT { */ struct sh_eth_txdesc { u32 status; /* TD0 */ -#if defined(__LITTLE_ENDIAN) - u16 pad0; /* TD1 */ - u16 buffer_length; /* TD1 */ -#else - u16 buffer_length; /* TD1 */ - u16 pad0; /* TD1 */ -#endif + u32 len; /* TD1 */ u32 addr; /* TD2 */ - u32 pad1; /* padding data */ + u32 pad0; /* padding data */ } __aligned(2) __packed; /* The sh ether Rx buffer descriptors. @@ -441,13 +446,7 @@ struct sh_eth_txdesc { */ struct sh_eth_rxdesc { u32 status; /* RD0 */ -#if defined(__LITTLE_ENDIAN) - u16 frame_length; /* RD1 */ - u16 buffer_length; /* RD1 */ -#else - u16 buffer_length; /* RD1 */ - u16 frame_length; /* RD1 */ -#endif + u32 len; /* RD1 */ u32 addr; /* RD2 */ u32 pad0; /* padding data */ } __aligned(2) __packed; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 48b92c9de12a..fc958067d10a 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2026,45 +2026,54 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, for_each_child_of_node(node, slave_node) { struct cpsw_slave_data *slave_data = data->slave_data + i; const void *mac_addr = NULL; - u32 phyid; int lenp; const __be32 *parp; - struct device_node *mdio_node; - struct platform_device *mdio; /* This is no slave child node, continue */ if (strcmp(slave_node->name, "slave")) continue; priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); + parp = of_get_property(slave_node, "phy_id", &lenp); if (of_phy_is_fixed_link(slave_node)) { - struct phy_device *pd; + struct device_node *phy_node; + struct phy_device *phy_dev; + /* In the case of a fixed PHY, the DT node associated + * to the PHY is the Ethernet MAC DT node. + */ ret = of_phy_register_fixed_link(slave_node); if (ret) return ret; - pd = of_phy_find_device(slave_node); - if (!pd) + phy_node = of_node_get(slave_node); + phy_dev = of_phy_find_device(phy_node); + if (!phy_dev) return -ENODEV; snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, pd->bus->id, pd->phy_id); - goto no_phy_slave; - } - parp = of_get_property(slave_node, "phy_id", &lenp); - if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) { - dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i); + PHY_ID_FMT, phy_dev->bus->id, phy_dev->addr); + } else if (parp) { + u32 phyid; + struct device_node *mdio_node; + struct platform_device *mdio; + + if (lenp != (sizeof(__be32) * 2)) { + dev_err(&pdev->dev, "Invalid slave[%d] phy_id property\n", i); + goto no_phy_slave; + } + mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); + phyid = be32_to_cpup(parp+1); + mdio = of_find_device_by_node(mdio_node); + of_node_put(mdio_node); + if (!mdio) { + dev_err(&pdev->dev, "Missing mdio platform device\n"); + return -EINVAL; + } + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, mdio->name, phyid); + } else { + dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i); goto no_phy_slave; } - mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); - phyid = be32_to_cpup(parp+1); - mdio = of_find_device_by_node(mdio_node); - of_node_put(mdio_node); - if (!mdio) { - dev_err(&pdev->dev, "Missing mdio platform device\n"); - return -EINVAL; - } - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, mdio->name, phyid); slave_data->phy_if = of_get_phy_mode(slave_node); if (slave_data->phy_if < 0) { dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n", @@ -2418,7 +2427,7 @@ static int cpsw_probe(struct platform_device *pdev) ndev->irq = platform_get_irq(pdev, 1); if (ndev->irq < 0) { dev_err(priv->dev, "error getting irq resource\n"); - ret = -ENOENT; + ret = ndev->irq; goto clean_ale_ret; } @@ -2439,8 +2448,10 @@ static int cpsw_probe(struct platform_device *pdev) /* RX IRQ */ irq = platform_get_irq(pdev, 1); - if (irq < 0) + if (irq < 0) { + ret = irq; goto clean_ale_ret; + } priv->irqs_table[0] = irq; ret = devm_request_irq(&pdev->dev, irq, cpsw_rx_interrupt, @@ -2452,8 +2463,10 @@ static int cpsw_probe(struct platform_device *pdev) /* TX IRQ */ irq = platform_get_irq(pdev, 2); - if (irq < 0) + if (irq < 0) { + ret = irq; goto clean_ale_ret; + } priv->irqs_table[1] = irq; ret = devm_request_irq(&pdev->dev, irq, cpsw_tx_interrupt, diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index c2b79f5d1c89..58efdec12f30 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1155,7 +1155,7 @@ static int geneve_configure(struct net *net, struct net_device *dev, struct geneve_net *gn = net_generic(net, geneve_net_id); struct geneve_dev *t, *geneve = netdev_priv(dev); bool tun_collect_md, tun_on_same_port; - int err; + int err, encap_len; if (!remote) return -EINVAL; @@ -1187,6 +1187,14 @@ static int geneve_configure(struct net *net, struct net_device *dev, if (t) return -EBUSY; + /* make enough headroom for basic scenario */ + encap_len = GENEVE_BASE_HLEN + ETH_HLEN; + if (remote->sa.sa_family == AF_INET) + encap_len += sizeof(struct iphdr); + else + encap_len += sizeof(struct ipv6hdr); + dev->needed_headroom = encap_len + ETH_HLEN; + if (metadata) { if (tun_on_same_port) return -EPERM; diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 7c4a4151ef0f..9f0b1c342b77 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -683,14 +683,14 @@ static void sixpack_close(struct tty_struct *tty) if (!atomic_dec_and_test(&sp->refcnt)) down(&sp->dead_sem); - unregister_netdev(sp->dev); - - del_timer(&sp->tx_t); - del_timer(&sp->resync_t); + del_timer_sync(&sp->tx_t); + del_timer_sync(&sp->resync_t); /* Free all 6pack frame buffers. */ kfree(sp->rbuff); kfree(sp->xbuff); + + unregister_netdev(sp->dev); } /* Perform I/O control on an active 6pack channel. */ diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 216bfd350169..0b72b9de5207 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -798,13 +798,13 @@ static void mkiss_close(struct tty_struct *tty) if (!atomic_dec_and_test(&ax->refcnt)) down(&ax->dead_sem); - unregister_netdev(ax->dev); - /* Free all AX25 frame buffers. */ kfree(ax->rbuff); kfree(ax->xbuff); ax->tty = NULL; + + unregister_netdev(ax->dev); } /* Perform I/O control on an active ax25 channel. */ diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 8973abdec9f6..bdd83d95ec0a 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -100,7 +100,7 @@ static const struct net_device_ops cdc_mbim_netdev_ops = { .ndo_stop = usbnet_stop, .ndo_start_xmit = usbnet_start_xmit, .ndo_tx_timeout = usbnet_tx_timeout, - .ndo_change_mtu = usbnet_change_mtu, + .ndo_change_mtu = cdc_ncm_change_mtu, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, .ndo_vlan_rx_add_vid = cdc_mbim_rx_add_vid, diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 1e9843a41168..e8a1144c5a8b 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -41,6 +41,7 @@ #include <linux/module.h> #include <linux/netdevice.h> #include <linux/ctype.h> +#include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/workqueue.h> #include <linux/mii.h> @@ -689,6 +690,33 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) kfree(ctx); } +/* we need to override the usbnet change_mtu ndo for two reasons: + * - respect the negotiated maximum datagram size + * - avoid unwanted changes to rx and tx buffers + */ +int cdc_ncm_change_mtu(struct net_device *net, int new_mtu) +{ + struct usbnet *dev = netdev_priv(net); + struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; + int maxmtu = ctx->max_datagram_size - cdc_ncm_eth_hlen(dev); + + if (new_mtu <= 0 || new_mtu > maxmtu) + return -EINVAL; + net->mtu = new_mtu; + return 0; +} +EXPORT_SYMBOL_GPL(cdc_ncm_change_mtu); + +static const struct net_device_ops cdc_ncm_netdev_ops = { + .ndo_open = usbnet_open, + .ndo_stop = usbnet_stop, + .ndo_start_xmit = usbnet_start_xmit, + .ndo_tx_timeout = usbnet_tx_timeout, + .ndo_change_mtu = cdc_ncm_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags) { struct cdc_ncm_ctx *ctx; @@ -823,6 +851,9 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ /* add our sysfs attrs */ dev->net->sysfs_groups[0] = &cdc_ncm_sysfs_attr_group; + /* must handle MTU changes */ + dev->net->netdev_ops = &cdc_ncm_netdev_ops; + return 0; error2: @@ -1558,6 +1589,24 @@ static const struct usb_device_id cdc_devs[] = { .driver_info = (unsigned long) &wwan_info, }, + /* DW5812 LTE Verizon Mobile Broadband Card + * Unlike DW5550 this device requires FLAG_NOARP + */ + { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bb, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&wwan_noarp_info, + }, + + /* DW5813 LTE AT&T Mobile Broadband Card + * Unlike DW5550 this device requires FLAG_NOARP + */ + { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bc, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&wwan_noarp_info, + }, + /* Dell branded MBM devices like DW5550 */ { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEVICE_ID_MATCH_VENDOR, diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 0ef4a5ad5557..ba21d072be31 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -117,12 +117,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) kfree_skb(skb); goto drop; } - /* don't change ip_summed == CHECKSUM_PARTIAL, as that - * will cause bad checksum on forwarded packets - */ - if (skb->ip_summed == CHECKSUM_NONE && - rcv->features & NETIF_F_RXCSUM) - skb->ip_summed = CHECKSUM_UNNECESSARY; if (likely(dev_forward_skb(rcv, skb) == NET_RX_SUCCESS)) { struct pcpu_vstats *stats = this_cpu_ptr(dev->vstats); diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index bf88ec3a65fa..d9a4aee246a6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -69,13 +69,19 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL7260_UCODE_API_MAX 19 +#define IWL7260_UCODE_API_MAX 17 +#define IWL7265_UCODE_API_MAX 19 +#define IWL7265D_UCODE_API_MAX 19 /* Oldest version we won't warn about */ #define IWL7260_UCODE_API_OK 13 +#define IWL7265_UCODE_API_OK 13 +#define IWL7265D_UCODE_API_OK 13 /* Lowest firmware API version supported */ #define IWL7260_UCODE_API_MIN 13 +#define IWL7265_UCODE_API_MIN 13 +#define IWL7265D_UCODE_API_MIN 13 /* NVM versions */ #define IWL7260_NVM_VERSION 0x0a1d @@ -149,10 +155,7 @@ static const struct iwl_ht_params iwl7000_ht_params = { .ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ), }; -#define IWL_DEVICE_7000 \ - .ucode_api_max = IWL7260_UCODE_API_MAX, \ - .ucode_api_ok = IWL7260_UCODE_API_OK, \ - .ucode_api_min = IWL7260_UCODE_API_MIN, \ +#define IWL_DEVICE_7000_COMMON \ .device_family = IWL_DEVICE_FAMILY_7000, \ .max_inst_size = IWL60_RTC_INST_SIZE, \ .max_data_size = IWL60_RTC_DATA_SIZE, \ @@ -163,6 +166,24 @@ static const struct iwl_ht_params iwl7000_ht_params = { .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \ .dccm_offset = IWL7000_DCCM_OFFSET +#define IWL_DEVICE_7000 \ + IWL_DEVICE_7000_COMMON, \ + .ucode_api_max = IWL7260_UCODE_API_MAX, \ + .ucode_api_ok = IWL7260_UCODE_API_OK, \ + .ucode_api_min = IWL7260_UCODE_API_MIN + +#define IWL_DEVICE_7005 \ + IWL_DEVICE_7000_COMMON, \ + .ucode_api_max = IWL7265_UCODE_API_MAX, \ + .ucode_api_ok = IWL7265_UCODE_API_OK, \ + .ucode_api_min = IWL7265_UCODE_API_MIN + +#define IWL_DEVICE_7005D \ + IWL_DEVICE_7000_COMMON, \ + .ucode_api_max = IWL7265D_UCODE_API_MAX, \ + .ucode_api_ok = IWL7265D_UCODE_API_OK, \ + .ucode_api_min = IWL7265D_UCODE_API_MIN + const struct iwl_cfg iwl7260_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 7260", .fw_name_pre = IWL7260_FW_PRE, @@ -266,7 +287,7 @@ static const struct iwl_ht_params iwl7265_ht_params = { const struct iwl_cfg iwl3165_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 3165", .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005D, .ht_params = &iwl7000_ht_params, .nvm_ver = IWL3165_NVM_VERSION, .nvm_calib_ver = IWL3165_TX_POWER_VERSION, @@ -277,7 +298,7 @@ const struct iwl_cfg iwl3165_2ac_cfg = { const struct iwl_cfg iwl7265_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 7265", .fw_name_pre = IWL7265_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -288,7 +309,7 @@ const struct iwl_cfg iwl7265_2ac_cfg = { const struct iwl_cfg iwl7265_2n_cfg = { .name = "Intel(R) Dual Band Wireless N 7265", .fw_name_pre = IWL7265_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -299,7 +320,7 @@ const struct iwl_cfg iwl7265_2n_cfg = { const struct iwl_cfg iwl7265_n_cfg = { .name = "Intel(R) Wireless N 7265", .fw_name_pre = IWL7265_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -310,7 +331,7 @@ const struct iwl_cfg iwl7265_n_cfg = { const struct iwl_cfg iwl7265d_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 7265", .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005D, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265D_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -321,7 +342,7 @@ const struct iwl_cfg iwl7265d_2ac_cfg = { const struct iwl_cfg iwl7265d_2n_cfg = { .name = "Intel(R) Dual Band Wireless N 7265", .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005D, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265D_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -332,7 +353,7 @@ const struct iwl_cfg iwl7265d_2n_cfg = { const struct iwl_cfg iwl7265d_n_cfg = { .name = "Intel(R) Wireless N 7265", .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005D, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265D_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -342,5 +363,5 @@ const struct iwl_cfg iwl7265d_n_cfg = { MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); -MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); -MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); +MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7265_UCODE_API_OK)); +MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7265D_UCODE_API_OK)); diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 354acbde088e..2b976b110207 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -1222,8 +1222,8 @@ static u8 iwl_mvm_get_key_sta_id(struct iwl_mvm *mvm, mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { u8 sta_id = mvmvif->ap_sta_id; - sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], - lockdep_is_held(&mvm->mutex)); + sta = rcu_dereference_check(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); /* * It is possible that the 'sta' parameter is NULL, * for example when a GTK is removed - the sta_id will then @@ -1590,14 +1590,15 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, u16 *phase1key) { struct iwl_mvm_sta *mvm_sta; - u8 sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); + u8 sta_id; bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); - if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT)) - return; - rcu_read_lock(); + sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); + if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT)) + goto unlock; + if (!sta) { sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); if (WARN_ON(IS_ERR_OR_NULL(sta))) { @@ -1609,6 +1610,8 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, mvm_sta = iwl_mvm_sta_from_mac80211(sta); iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, iv32, phase1key, CMD_ASYNC, keyconf->hw_key_idx); + + unlock: rcu_read_unlock(); } |