diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-31 22:28:28 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-31 22:28:28 -0700 |
commit | 6b15d6650c5301ce023d8df0cc3a60b1a76d377e (patch) | |
tree | 6107020752729cf6faa4d6e06ad7f13818e416ea /drivers/net | |
parent | 58c1f9950ffc6acbb907051b0a4e56aaf4baa9ce (diff) | |
parent | faf8dcc12c2780bfec61eb95e5ad74af2ff4f82f (diff) | |
download | linux-stable-6b15d6650c5301ce023d8df0cc3a60b1a76d377e.tar.gz linux-stable-6b15d6650c5301ce023d8df0cc3a60b1a76d377e.tar.bz2 linux-stable-6b15d6650c5301ce023d8df0cc3a60b1a76d377e.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
1) Fix negative error code usage in ATM layer, from Stefan Hajnoczi.
2) If CONFIG_SYSCTL is disabled, the default TTL is not initialized
properly. From Ezequiel Garcia.
3) Missing spinlock init in mvneta driver, from Gregory CLEMENT.
4) Missing unlocks in hwmb error paths, also from Gregory CLEMENT.
5) Fix deadlock on team->lock when propagating features, from Ivan
Vecera.
6) Work around buffer offset hw bug in alx chips, from Feng Tang.
7) Fix double listing of SCTP entries in sctp_diag dumps, from Xin
Long.
8) Various statistics bug fixes in mlx4 from Eric Dumazet.
9) Fix some randconfig build errors wrt fou ipv6 from Arnd Bergmann.
10) All of l2tp was namespace aware, but the ipv6 support code was not
doing so. From Shmulik Ladkani.
11) Handle on-stack hrtimers properly in pktgen, from Guenter Roeck.
12) Propagate MAC changes properly through VLAN devices, from Mike
Manning.
13) Fix memory leak in bnx2x_init_one(), from Vitaly Kuznetsov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (62 commits)
sfc: Track RPS flow IDs per channel instead of per function
usbnet: smsc95xx: fix link detection for disabled autonegotiation
virtio_net: fix virtnet_open and virtnet_probe competing for try_fill_recv
bnx2x: avoid leaking memory on bnx2x_init_one() failures
fou: fix IPv6 Kconfig options
openvswitch: update checksum in {push,pop}_mpls
sctp: sctp_diag should dump sctp socket type
net: fec: update dirty_tx even if no skb
vlan: Propagate MAC address to VLANs
atm: iphase: off by one in rx_pkt()
atm: firestream: add more reserved strings
vxlan: Accept user specified MTU value when create new vxlan link
net: pktgen: Call destroy_hrtimer_on_stack()
timer: Export destroy_hrtimer_on_stack()
net: l2tp: Make l2tp_ip6 namespace aware
Documentation: ip-sysctl.txt: clarify secure_redirects
sfc: use flow dissector helpers for aRFS
ieee802154: fix logic error in ieee802154_llsec_parse_dev_addr
net: nps_enet: Disable interrupts before napi reschedule
net/lapb: tuse %*ph to dump buffers
...
Diffstat (limited to 'drivers/net')
29 files changed, 332 insertions, 167 deletions
diff --git a/drivers/net/ethernet/arc/emac_mdio.c b/drivers/net/ethernet/arc/emac_mdio.c index 16419f550eff..058460bdd5a6 100644 --- a/drivers/net/ethernet/arc/emac_mdio.c +++ b/drivers/net/ethernet/arc/emac_mdio.c @@ -141,7 +141,7 @@ int arc_mdio_probe(struct arc_emac_priv *priv) priv->bus = bus; bus->priv = priv; bus->parent = priv->dev; - bus->name = "Synopsys MII Bus", + bus->name = "Synopsys MII Bus"; bus->read = &arc_mdio_read; bus->write = &arc_mdio_write; bus->reset = &arc_mdio_reset; diff --git a/drivers/net/ethernet/atheros/alx/alx.h b/drivers/net/ethernet/atheros/alx/alx.h index 8fc93c5f6abc..d02c4240b7df 100644 --- a/drivers/net/ethernet/atheros/alx/alx.h +++ b/drivers/net/ethernet/atheros/alx/alx.h @@ -96,6 +96,10 @@ struct alx_priv { unsigned int rx_ringsz; unsigned int rxbuf_size; + struct page *rx_page; + unsigned int rx_page_offset; + unsigned int rx_frag_size; + struct napi_struct napi; struct alx_tx_queue txq; struct alx_rx_queue rxq; diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 9fe8b5e310d1..c98acdc0d14f 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -70,6 +70,35 @@ static void alx_free_txbuf(struct alx_priv *alx, int entry) } } +static struct sk_buff *alx_alloc_skb(struct alx_priv *alx, gfp_t gfp) +{ + struct sk_buff *skb; + struct page *page; + + if (alx->rx_frag_size > PAGE_SIZE) + return __netdev_alloc_skb(alx->dev, alx->rxbuf_size, gfp); + + page = alx->rx_page; + if (!page) { + alx->rx_page = page = alloc_page(gfp); + if (unlikely(!page)) + return NULL; + alx->rx_page_offset = 0; + } + + skb = build_skb(page_address(page) + alx->rx_page_offset, + alx->rx_frag_size); + if (likely(skb)) { + alx->rx_page_offset += alx->rx_frag_size; + if (alx->rx_page_offset >= PAGE_SIZE) + alx->rx_page = NULL; + else + get_page(page); + } + return skb; +} + + static int alx_refill_rx_ring(struct alx_priv *alx, gfp_t gfp) { struct alx_rx_queue *rxq = &alx->rxq; @@ -86,7 +115,7 @@ static int alx_refill_rx_ring(struct alx_priv *alx, gfp_t gfp) while (!cur_buf->skb && next != rxq->read_idx) { struct alx_rfd *rfd = &rxq->rfd[cur]; - skb = __netdev_alloc_skb(alx->dev, alx->rxbuf_size, gfp); + skb = alx_alloc_skb(alx, gfp); if (!skb) break; dma = dma_map_single(&alx->hw.pdev->dev, @@ -124,6 +153,7 @@ static int alx_refill_rx_ring(struct alx_priv *alx, gfp_t gfp) alx_write_mem16(&alx->hw, ALX_RFD_PIDX, cur); } + return count; } @@ -592,6 +622,11 @@ static void alx_free_rings(struct alx_priv *alx) kfree(alx->txq.bufs); kfree(alx->rxq.bufs); + if (alx->rx_page) { + put_page(alx->rx_page); + alx->rx_page = NULL; + } + dma_free_coherent(&alx->hw.pdev->dev, alx->descmem.size, alx->descmem.virt, @@ -646,6 +681,7 @@ static int alx_request_irq(struct alx_priv *alx) alx->dev->name, alx); if (!err) goto out; + /* fall back to legacy interrupt */ pci_disable_msi(alx->hw.pdev); } @@ -689,6 +725,7 @@ static int alx_init_sw(struct alx_priv *alx) struct pci_dev *pdev = alx->hw.pdev; struct alx_hw *hw = &alx->hw; int err; + unsigned int head_size; err = alx_identify_hw(alx); if (err) { @@ -704,7 +741,12 @@ static int alx_init_sw(struct alx_priv *alx) hw->smb_timer = 400; hw->mtu = alx->dev->mtu; + alx->rxbuf_size = ALX_MAX_FRAME_LEN(hw->mtu); + head_size = SKB_DATA_ALIGN(alx->rxbuf_size + NET_SKB_PAD) + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + alx->rx_frag_size = roundup_pow_of_two(head_size); + alx->tx_ringsz = 256; alx->rx_ringsz = 512; hw->imt = 200; @@ -806,6 +848,7 @@ static int alx_change_mtu(struct net_device *netdev, int mtu) { struct alx_priv *alx = netdev_priv(netdev); int max_frame = ALX_MAX_FRAME_LEN(mtu); + unsigned int head_size; if ((max_frame < ALX_MIN_FRAME_SIZE) || (max_frame > ALX_MAX_FRAME_SIZE)) @@ -817,6 +860,9 @@ static int alx_change_mtu(struct net_device *netdev, int mtu) netdev->mtu = mtu; alx->hw.mtu = mtu; alx->rxbuf_size = max(max_frame, ALX_DEF_RXBUF_SIZE); + head_size = SKB_DATA_ALIGN(alx->rxbuf_size + NET_SKB_PAD) + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + alx->rx_frag_size = roundup_pow_of_two(head_size); netdev_update_features(netdev); if (netif_running(netdev)) alx_reinit(alx); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 0a5b770cefaa..c5fe915870ad 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -13941,14 +13941,14 @@ static int bnx2x_init_one(struct pci_dev *pdev, bp->doorbells = bnx2x_vf_doorbells(bp); rc = bnx2x_vf_pci_alloc(bp); if (rc) - goto init_one_exit; + goto init_one_freemem; } else { doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT); if (doorbell_size > pci_resource_len(pdev, 2)) { dev_err(&bp->pdev->dev, "Cannot map doorbells, bar size too small, aborting\n"); rc = -ENOMEM; - goto init_one_exit; + goto init_one_freemem; } bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2), doorbell_size); @@ -13957,19 +13957,19 @@ static int bnx2x_init_one(struct pci_dev *pdev, dev_err(&bp->pdev->dev, "Cannot map doorbell space, aborting\n"); rc = -ENOMEM; - goto init_one_exit; + goto init_one_freemem; } if (IS_VF(bp)) { rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count); if (rc) - goto init_one_exit; + goto init_one_freemem; } /* Enable SRIOV if capability found in configuration space */ rc = bnx2x_iov_init_one(bp, int_mode, BNX2X_MAX_NUM_OF_VFS); if (rc) - goto init_one_exit; + goto init_one_freemem; /* calc qm_cid_count */ bp->qm_cid_count = bnx2x_set_qm_cid_count(bp); @@ -13988,7 +13988,7 @@ static int bnx2x_init_one(struct pci_dev *pdev, rc = bnx2x_set_int_mode(bp); if (rc) { dev_err(&pdev->dev, "Cannot set interrupts\n"); - goto init_one_exit; + goto init_one_freemem; } BNX2X_DEV_INFO("set interrupts successfully\n"); @@ -13996,7 +13996,7 @@ static int bnx2x_init_one(struct pci_dev *pdev, rc = register_netdev(dev); if (rc) { dev_err(&pdev->dev, "Cannot register net device\n"); - goto init_one_exit; + goto init_one_freemem; } BNX2X_DEV_INFO("device name after netdev register %s\n", dev->name); @@ -14029,6 +14029,9 @@ static int bnx2x_init_one(struct pci_dev *pdev, return 0; +init_one_freemem: + bnx2x_free_mem_bp(bp); + init_one_exit: bnx2x_disable_pcie_error_reporting(bp); diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c index 085f9125cf42..06f031715b57 100644 --- a/drivers/net/ethernet/ezchip/nps_enet.c +++ b/drivers/net/ethernet/ezchip/nps_enet.c @@ -205,8 +205,10 @@ static int nps_enet_poll(struct napi_struct *napi, int budget) * re-adding ourselves to the poll list. */ - if (priv->tx_skb && !tx_ctrl_ct) + if (priv->tx_skb && !tx_ctrl_ct) { + nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0); napi_reschedule(napi); + } } return work_done; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index ca2cccc594fd..3c0255e98535 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1197,10 +1197,8 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id) fec16_to_cpu(bdp->cbd_datlen), DMA_TO_DEVICE); bdp->cbd_bufaddr = cpu_to_fec32(0); - if (!skb) { - bdp = fec_enet_get_nextdesc(bdp, &txq->bd); - continue; - } + if (!skb) + goto skb_done; /* Check for errors. */ if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC | @@ -1239,7 +1237,7 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id) /* Free the sk buffer associated with this last transmit */ dev_kfree_skb_any(skb); - +skb_done: /* Make sure the update to bdp and tx_skbuff are performed * before dirty_tx */ diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 3d746c887873..67a648c7d3a9 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -46,7 +46,6 @@ static u32 hns_nic_get_link(struct net_device *net_dev) u32 link_stat = priv->link; struct hnae_handle *h; - assert(priv && priv->ae_handle); h = priv->ae_handle; if (priv->phy) { @@ -646,8 +645,6 @@ static void hns_nic_get_drvinfo(struct net_device *net_dev, { struct hns_nic_priv *priv = netdev_priv(net_dev); - assert(priv); - strncpy(drvinfo->version, HNAE_DRIVER_VERSION, sizeof(drvinfo->version)); drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; @@ -720,8 +717,6 @@ static int hns_set_pauseparam(struct net_device *net_dev, struct hnae_handle *h; struct hnae_ae_ops *ops; - assert(priv || priv->ae_handle); - h = priv->ae_handle; ops = h->dev->ops; @@ -780,8 +775,6 @@ static int hns_set_coalesce(struct net_device *net_dev, struct hnae_ae_ops *ops; int ret; - assert(priv || priv->ae_handle); - ops = priv->ae_handle->dev->ops; if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs) @@ -1111,8 +1104,6 @@ void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd, struct hns_nic_priv *priv = netdev_priv(net_dev); struct hnae_ae_ops *ops; - assert(priv || priv->ae_handle); - ops = priv->ae_handle->dev->ops; cmd->version = HNS_CHIP_VERSION; @@ -1135,8 +1126,6 @@ static int hns_get_regs_len(struct net_device *net_dev) struct hns_nic_priv *priv = netdev_priv(net_dev); struct hnae_ae_ops *ops; - assert(priv || priv->ae_handle); - ops = priv->ae_handle->dev->ops; if (!ops->get_regs_len) { netdev_err(net_dev, "ops->get_regs_len is null!\n"); diff --git a/drivers/net/ethernet/marvell/mvneta_bm.c b/drivers/net/ethernet/marvell/mvneta_bm.c index 01fccec632ec..466939f8f0cf 100644 --- a/drivers/net/ethernet/marvell/mvneta_bm.c +++ b/drivers/net/ethernet/marvell/mvneta_bm.c @@ -189,6 +189,7 @@ struct mvneta_bm_pool *mvneta_bm_pool_use(struct mvneta_bm *priv, u8 pool_id, SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); hwbm_pool->construct = mvneta_bm_construct; hwbm_pool->priv = new_pool; + spin_lock_init(&hwbm_pool->lock); /* Create new pool */ err = mvneta_bm_pool_create(priv, new_pool); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index c761194bb323..fc95affaf76b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -362,7 +362,7 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev, for (i = 0; i < NUM_MAIN_STATS; i++, bitmap_iterator_inc(&it)) if (bitmap_iterator_test(&it)) - data[index++] = ((unsigned long *)&priv->stats)[i]; + data[index++] = ((unsigned long *)&dev->stats)[i]; for (i = 0; i < NUM_PORT_STATS; i++, bitmap_iterator_inc(&it)) if (bitmap_iterator_test(&it)) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 92e0624f4cf0..19ceced6736c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1296,15 +1296,16 @@ static void mlx4_en_tx_timeout(struct net_device *dev) } -static struct net_device_stats *mlx4_en_get_stats(struct net_device *dev) +static struct rtnl_link_stats64 * +mlx4_en_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) { struct mlx4_en_priv *priv = netdev_priv(dev); spin_lock_bh(&priv->stats_lock); - memcpy(&priv->ret_stats, &priv->stats, sizeof(priv->stats)); + netdev_stats_to_stats64(stats, &dev->stats); spin_unlock_bh(&priv->stats_lock); - return &priv->ret_stats; + return stats; } static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv) @@ -1876,7 +1877,6 @@ static void mlx4_en_clear_stats(struct net_device *dev) if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1)) en_dbg(HW, priv, "Failed dumping statistics\n"); - memset(&priv->stats, 0, sizeof(priv->stats)); memset(&priv->pstats, 0, sizeof(priv->pstats)); memset(&priv->pkstats, 0, sizeof(priv->pkstats)); memset(&priv->port_stats, 0, sizeof(priv->port_stats)); @@ -1892,6 +1892,11 @@ static void mlx4_en_clear_stats(struct net_device *dev) priv->tx_ring[i]->bytes = 0; priv->tx_ring[i]->packets = 0; priv->tx_ring[i]->tx_csum = 0; + priv->tx_ring[i]->tx_dropped = 0; + priv->tx_ring[i]->queue_stopped = 0; + priv->tx_ring[i]->wake_queue = 0; + priv->tx_ring[i]->tso_packets = 0; + priv->tx_ring[i]->xmit_more = 0; } for (i = 0; i < priv->rx_ring_num; i++) { priv->rx_ring[i]->bytes = 0; @@ -2482,7 +2487,7 @@ static const struct net_device_ops mlx4_netdev_ops = { .ndo_stop = mlx4_en_close, .ndo_start_xmit = mlx4_en_xmit, .ndo_select_queue = mlx4_en_select_queue, - .ndo_get_stats = mlx4_en_get_stats, + .ndo_get_stats64 = mlx4_en_get_stats64, .ndo_set_rx_mode = mlx4_en_set_rx_mode, .ndo_set_mac_address = mlx4_en_set_mac, .ndo_validate_addr = eth_validate_addr, @@ -2514,7 +2519,7 @@ static const struct net_device_ops mlx4_netdev_ops_master = { .ndo_stop = mlx4_en_close, .ndo_start_xmit = mlx4_en_xmit, .ndo_select_queue = mlx4_en_select_queue, - .ndo_get_stats = mlx4_en_get_stats, + .ndo_get_stats64 = mlx4_en_get_stats64, .ndo_set_rx_mode = mlx4_en_set_rx_mode, .ndo_set_mac_address = mlx4_en_set_mac, .ndo_validate_addr = eth_validate_addr, diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c index 20b6c2e678b8..5aa8b751f417 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_port.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c @@ -152,8 +152,9 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) struct mlx4_counter tmp_counter_stats; struct mlx4_en_stat_out_mbox *mlx4_en_stats; struct mlx4_en_stat_out_flow_control_mbox *flowstats; - struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]); - struct net_device_stats *stats = &priv->stats; + struct net_device *dev = mdev->pndev[port]; + struct mlx4_en_priv *priv = netdev_priv(dev); + struct net_device_stats *stats = &dev->stats; struct mlx4_cmd_mailbox *mailbox; u64 in_mod = reset << 8 | port; int err; @@ -188,6 +189,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) } stats->tx_packets = 0; stats->tx_bytes = 0; + stats->tx_dropped = 0; priv->port_stats.tx_chksum_offload = 0; priv->port_stats.queue_stopped = 0; priv->port_stats.wake_queue = 0; @@ -199,6 +201,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) stats->tx_packets += ring->packets; stats->tx_bytes += ring->bytes; + stats->tx_dropped += ring->tx_dropped; priv->port_stats.tx_chksum_offload += ring->tx_csum; priv->port_stats.queue_stopped += ring->queue_stopped; priv->port_stats.wake_queue += ring->wake_queue; @@ -237,21 +240,12 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) stats->multicast = en_stats_adder(&mlx4_en_stats->MCAST_prio_0, &mlx4_en_stats->MCAST_prio_1, NUM_PRIORITIES); - stats->collisions = 0; stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP) + sw_rx_dropped; stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength); - stats->rx_over_errors = 0; stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC); - stats->rx_frame_errors = 0; stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw); - stats->rx_missed_errors = 0; - stats->tx_aborted_errors = 0; - stats->tx_carrier_errors = 0; - stats->tx_fifo_errors = 0; - stats->tx_heartbeat_errors = 0; - stats->tx_window_errors = 0; - stats->tx_dropped = be32_to_cpu(mlx4_en_stats->TDROP); + stats->tx_dropped += be32_to_cpu(mlx4_en_stats->TDROP); /* RX stats */ priv->pkstats.rx_multicast_packets = stats->multicast; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index f6e61570cb2c..76aa4d27183c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -726,12 +726,12 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) bool inline_ok; u32 ring_cons; - if (!priv->port_up) - goto tx_drop; - tx_ind = skb_get_queue_mapping(skb); ring = priv->tx_ring[tx_ind]; + if (!priv->port_up) + goto tx_drop; + /* fetch ring->cons far ahead before needing it to avoid stall */ ring_cons = ACCESS_ONCE(ring->cons); @@ -1030,7 +1030,7 @@ tx_drop_unmap: tx_drop: dev_kfree_skb_any(skb); - priv->stats.tx_dropped++; + ring->tx_dropped++; return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index cc84e09f324a..467d47ed2c39 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -270,6 +270,7 @@ struct mlx4_en_tx_ring { unsigned long tx_csum; unsigned long tso_packets; unsigned long xmit_more; + unsigned int tx_dropped; struct mlx4_bf bf; unsigned long queue_stopped; @@ -482,8 +483,6 @@ struct mlx4_en_priv { struct mlx4_en_port_profile *prof; struct net_device *dev; unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; - struct net_device_stats stats; - struct net_device_stats ret_stats; struct mlx4_en_port_state port_state; spinlock_t stats_lock; struct ethtool_flow_id ethtool_rules[MAX_NUM_OF_FS_RULES]; diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c index cbf58e1f9333..21ec1c2df2c7 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c @@ -192,9 +192,10 @@ qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn, struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl, int count, bool dcbx_enabled) { - u8 tc, priority, priority_map; + u8 tc, priority_map; enum dcbx_protocol_type type; u16 protocol_id; + int priority; bool enable; int i; @@ -221,7 +222,7 @@ qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn, * indication, but we only got here if there was an * app tlv for the protocol, so dcbx must be enabled. */ - enable = !!(type == DCBX_PROTOCOL_ETH); + enable = !(type == DCBX_PROTOCOL_ETH); qed_dcbx_update_app_info(p_data, p_hwfn, enable, true, priority, tc, type); diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 089016f46f26..2d89e8c16b32 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -155,12 +155,14 @@ void qed_resc_free(struct qed_dev *cdev) } } -static int qed_init_qm_info(struct qed_hwfn *p_hwfn) +static int qed_init_qm_info(struct qed_hwfn *p_hwfn, bool b_sleepable) { u8 num_vports, vf_offset = 0, i, vport_id, num_ports, curr_queue = 0; struct qed_qm_info *qm_info = &p_hwfn->qm_info; struct init_qm_port_params *p_qm_port; u16 num_pqs, multi_cos_tcs = 1; + u8 pf_wfq = qm_info->pf_wfq; + u32 pf_rl = qm_info->pf_rl; u16 num_vfs = 0; #ifdef CONFIG_QED_SRIOV @@ -182,23 +184,28 @@ static int qed_init_qm_info(struct qed_hwfn *p_hwfn) /* PQs will be arranged as follows: First per-TC PQ then pure-LB quete. */ - qm_info->qm_pq_params = kzalloc(sizeof(*qm_info->qm_pq_params) * - num_pqs, GFP_KERNEL); + qm_info->qm_pq_params = kcalloc(num_pqs, + sizeof(struct init_qm_pq_params), + b_sleepable ? GFP_KERNEL : GFP_ATOMIC); if (!qm_info->qm_pq_params) goto alloc_err; - qm_info->qm_vport_params = kzalloc(sizeof(*qm_info->qm_vport_params) * - num_vports, GFP_KERNEL); + qm_info->qm_vport_params = kcalloc(num_vports, + sizeof(struct init_qm_vport_params), + b_sleepable ? GFP_KERNEL + : GFP_ATOMIC); if (!qm_info->qm_vport_params) goto alloc_err; - qm_info->qm_port_params = kzalloc(sizeof(*qm_info->qm_port_params) * - MAX_NUM_PORTS, GFP_KERNEL); + qm_info->qm_port_params = kcalloc(MAX_NUM_PORTS, + sizeof(struct init_qm_port_params), + b_sleepable ? GFP_KERNEL + : GFP_ATOMIC); if (!qm_info->qm_port_params) goto alloc_err; - qm_info->wfq_data = kcalloc(num_vports, sizeof(*qm_info->wfq_data), - GFP_KERNEL); + qm_info->wfq_data = kcalloc(num_vports, sizeof(struct qed_wfq_data), + b_sleepable ? GFP_KERNEL : GFP_ATOMIC); if (!qm_info->wfq_data) goto alloc_err; @@ -264,10 +271,10 @@ static int qed_init_qm_info(struct qed_hwfn *p_hwfn) for (i = 0; i < qm_info->num_vports; i++) qm_info->qm_vport_params[i].vport_wfq = 1; - qm_info->pf_wfq = 0; - qm_info->pf_rl = 0; qm_info->vport_rl_en = 1; qm_info->vport_wfq_en = 1; + qm_info->pf_rl = pf_rl; + qm_info->pf_wfq = pf_wfq; return 0; @@ -299,7 +306,7 @@ int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) qed_qm_info_free(p_hwfn); /* initialize qed's qm data structure */ - rc = qed_init_qm_info(p_hwfn); + rc = qed_init_qm_info(p_hwfn, false); if (rc) return rc; @@ -388,7 +395,7 @@ int qed_resc_alloc(struct qed_dev *cdev) goto alloc_err; /* Prepare and process QM requirements */ - rc = qed_init_qm_info(p_hwfn); + rc = qed_init_qm_info(p_hwfn, true); if (rc) goto alloc_err; @@ -581,7 +588,14 @@ static void qed_calc_hw_mode(struct qed_hwfn *p_hwfn) hw_mode |= 1 << MODE_ASIC; + if (p_hwfn->cdev->num_hwfns > 1) + hw_mode |= 1 << MODE_100G; + p_hwfn->hw_info.hw_mode = hw_mode; + + DP_VERBOSE(p_hwfn, (NETIF_MSG_PROBE | NETIF_MSG_IFUP), + "Configuring function for hw_mode: 0x%08x\n", + p_hwfn->hw_info.hw_mode); } /* Init run time data for all PFs on an engine. */ @@ -821,6 +835,11 @@ int qed_hw_init(struct qed_dev *cdev, u32 load_code, param; int rc, mfw_rc, i; + if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) { + DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n"); + return -EINVAL; + } + if (IS_PF(cdev)) { rc = qed_init_fw_data(cdev, bin_fw_data); if (rc != 0) @@ -2086,6 +2105,13 @@ void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev, u32 min_pf_rate) { int i; + if (cdev->num_hwfns > 1) { + DP_VERBOSE(cdev, + NETIF_MSG_LINK, + "WFQ configuration is not supported for this device\n"); + return; + } + for_each_hwfn(cdev, i) { struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 8b22f87033ce..753064679bde 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -413,15 +413,17 @@ static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode) /* Fallthrough */ case QED_INT_MODE_MSI: - rc = pci_enable_msi(cdev->pdev); - if (!rc) { - int_params->out.int_mode = QED_INT_MODE_MSI; - goto out; - } + if (cdev->num_hwfns == 1) { + rc = pci_enable_msi(cdev->pdev); + if (!rc) { + int_params->out.int_mode = QED_INT_MODE_MSI; + goto out; + } - DP_NOTICE(cdev, "Failed to enable MSI\n"); - if (force_mode) - goto out; + DP_NOTICE(cdev, "Failed to enable MSI\n"); + if (force_mode) + goto out; + } /* Fallthrough */ case QED_INT_MODE_INTA: diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c index 1bc75358cbc4..ad3cae3b7243 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c @@ -230,7 +230,10 @@ static int qede_get_sset_count(struct net_device *dev, int stringset) case ETH_SS_PRIV_FLAGS: return QEDE_PRI_FLAG_LEN; case ETH_SS_TEST: - return QEDE_ETHTOOL_TEST_MAX; + if (!IS_VF(edev)) + return QEDE_ETHTOOL_TEST_MAX; + else + return 0; default: DP_VERBOSE(edev, QED_MSG_DEBUG, "Unsupported stringset 0x%08x\n", stringset); diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 337e839ca586..5d00d1404bfc 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1824,7 +1824,7 @@ static int qede_set_vf_rate(struct net_device *dev, int vfidx, { struct qede_dev *edev = netdev_priv(dev); - return edev->ops->iov->set_rate(edev->cdev, vfidx, max_tx_rate, + return edev->ops->iov->set_rate(edev->cdev, vfidx, min_tx_rate, max_tx_rate); } @@ -2091,6 +2091,29 @@ static void qede_vlan_mark_nonconfigured(struct qede_dev *edev) edev->accept_any_vlan = false; } +int qede_set_features(struct net_device *dev, netdev_features_t features) +{ + struct qede_dev *edev = netdev_priv(dev); + netdev_features_t changes = features ^ dev->features; + bool need_reload = false; + + /* No action needed if hardware GRO is disabled during driver load */ + if (changes & NETIF_F_GRO) { + if (dev->features & NETIF_F_GRO) + need_reload = !edev->gro_disable; + else + need_reload = edev->gro_disable; + } + + if (need_reload && netif_running(edev->ndev)) { + dev->features = features; + qede_reload(edev, NULL, NULL); + return 1; + } + + return 0; +} + #ifdef CONFIG_QEDE_VXLAN static void qede_add_vxlan_port(struct net_device *dev, sa_family_t sa_family, __be16 port) @@ -2175,6 +2198,7 @@ static const struct net_device_ops qede_netdev_ops = { #endif .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, + .ndo_set_features = qede_set_features, .ndo_get_stats64 = qede_get_stats64, #ifdef CONFIG_QED_SRIOV .ndo_set_vf_link_state = qede_set_vf_link_state, diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 83d72106471c..fd5d1c93b55b 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -4846,7 +4846,6 @@ static void ql_eeh_close(struct net_device *ndev) } /* Disabling the timer */ - del_timer_sync(&qdev->timer); ql_cancel_all_work_sync(qdev); for (i = 0; i < qdev->rss_ring_count; i++) @@ -4873,6 +4872,7 @@ static pci_ers_result_t qlge_io_error_detected(struct pci_dev *pdev, return PCI_ERS_RESULT_CAN_RECOVER; case pci_channel_io_frozen: netif_device_detach(ndev); + del_timer_sync(&qdev->timer); if (netif_running(ndev)) ql_eeh_close(ndev); pci_disable_device(pdev); @@ -4880,6 +4880,7 @@ static pci_ers_result_t qlge_io_error_detected(struct pci_dev *pdev, case pci_channel_io_perm_failure: dev_err(&pdev->dev, "%s: pci_channel_io_perm_failure.\n", __func__); + del_timer_sync(&qdev->timer); ql_eeh_close(ndev); set_bit(QL_EEH_FATAL, &qdev->flags); return PCI_ERS_RESULT_DISCONNECT; diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 1681084cc96f..1f309127457d 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -619,6 +619,17 @@ fail: return rc; } +static void efx_ef10_forget_old_piobufs(struct efx_nic *efx) +{ + struct efx_channel *channel; + struct efx_tx_queue *tx_queue; + + /* All our existing PIO buffers went away */ + efx_for_each_channel(channel, efx) + efx_for_each_channel_tx_queue(tx_queue, channel) + tx_queue->piobuf = NULL; +} + #else /* !EFX_USE_PIO */ static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n) @@ -635,6 +646,10 @@ static void efx_ef10_free_piobufs(struct efx_nic *efx) { } +static void efx_ef10_forget_old_piobufs(struct efx_nic *efx) +{ +} + #endif /* EFX_USE_PIO */ static void efx_ef10_remove(struct efx_nic *efx) @@ -1018,6 +1033,7 @@ static void efx_ef10_reset_mc_allocations(struct efx_nic *efx) nic_data->must_realloc_vis = true; nic_data->must_restore_filters = true; nic_data->must_restore_piobufs = true; + efx_ef10_forget_old_piobufs(efx); nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID; /* Driver-created vswitches and vports must be re-created */ diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 0705ec869487..097f363f1630 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1726,14 +1726,33 @@ static int efx_probe_filters(struct efx_nic *efx) #ifdef CONFIG_RFS_ACCEL if (efx->type->offload_features & NETIF_F_NTUPLE) { - efx->rps_flow_id = kcalloc(efx->type->max_rx_ip_filters, - sizeof(*efx->rps_flow_id), - GFP_KERNEL); - if (!efx->rps_flow_id) { + struct efx_channel *channel; + int i, success = 1; + + efx_for_each_channel(channel, efx) { + channel->rps_flow_id = + kcalloc(efx->type->max_rx_ip_filters, + sizeof(*channel->rps_flow_id), + GFP_KERNEL); + if (!channel->rps_flow_id) + success = 0; + else + for (i = 0; + i < efx->type->max_rx_ip_filters; + ++i) + channel->rps_flow_id[i] = + RPS_FLOW_ID_INVALID; + } + + if (!success) { + efx_for_each_channel(channel, efx) + kfree(channel->rps_flow_id); efx->type->filter_table_remove(efx); rc = -ENOMEM; goto out_unlock; } + + efx->rps_expire_index = efx->rps_expire_channel = 0; } #endif out_unlock: @@ -1744,7 +1763,10 @@ out_unlock: static void efx_remove_filters(struct efx_nic *efx) { #ifdef CONFIG_RFS_ACCEL - kfree(efx->rps_flow_id); + struct efx_channel *channel; + + efx_for_each_channel(channel, efx) + kfree(channel->rps_flow_id); #endif down_write(&efx->filter_sem); efx->type->filter_table_remove(efx); diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 38c422321cda..d13ddf9703ff 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -403,6 +403,8 @@ enum efx_sync_events_state { * @event_test_cpu: Last CPU to handle interrupt or test event for this channel * @irq_count: Number of IRQs since last adaptive moderation decision * @irq_mod_score: IRQ moderation score + * @rps_flow_id: Flow IDs of filters allocated for accelerated RFS, + * indexed by filter ID * @n_rx_tobe_disc: Count of RX_TOBE_DISC errors * @n_rx_ip_hdr_chksum_err: Count of RX IP header checksum errors * @n_rx_tcp_udp_chksum_err: Count of RX TCP and UDP checksum errors @@ -446,6 +448,8 @@ struct efx_channel { unsigned int irq_mod_score; #ifdef CONFIG_RFS_ACCEL unsigned int rfs_filters_added; +#define RPS_FLOW_ID_INVALID 0xFFFFFFFF + u32 *rps_flow_id; #endif unsigned n_rx_tobe_disc; @@ -889,9 +893,9 @@ struct vfdi_status; * @filter_sem: Filter table rw_semaphore, for freeing the table * @filter_lock: Filter table lock, for mere content changes * @filter_state: Architecture-dependent filter table state - * @rps_flow_id: Flow IDs of filters allocated for accelerated RFS, - * indexed by filter ID - * @rps_expire_index: Next index to check for expiry in @rps_flow_id + * @rps_expire_channel: Next channel to check for expiry + * @rps_expire_index: Next index to check for expiry in + * @rps_expire_channel's @rps_flow_id * @active_queues: Count of RX and TX queues that haven't been flushed and drained. * @rxq_flush_pending: Count of number of receive queues that need to be flushed. * Decremented when the efx_flush_rx_queue() is called. @@ -1035,7 +1039,7 @@ struct efx_nic { spinlock_t filter_lock; void *filter_state; #ifdef CONFIG_RFS_ACCEL - u32 *rps_flow_id; + unsigned int rps_expire_channel; unsigned int rps_expire_index; #endif diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 8956995b2fe7..02b0b5272c14 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -842,33 +842,18 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, struct efx_nic *efx = netdev_priv(net_dev); struct efx_channel *channel; struct efx_filter_spec spec; - const __be16 *ports; - __be16 ether_type; - int nhoff; + struct flow_keys fk; int rc; - /* The core RPS/RFS code has already parsed and validated - * VLAN, IP and transport headers. We assume they are in the - * header area. - */ - - if (skb->protocol == htons(ETH_P_8021Q)) { - const struct vlan_hdr *vh = - (const struct vlan_hdr *)skb->data; + if (flow_id == RPS_FLOW_ID_INVALID) + return -EINVAL; - /* We can't filter on the IP 5-tuple and the vlan - * together, so just strip the vlan header and filter - * on the IP part. - */ - EFX_BUG_ON_PARANOID(skb_headlen(skb) < sizeof(*vh)); - ether_type = vh->h_vlan_encapsulated_proto; - nhoff = sizeof(struct vlan_hdr); - } else { - ether_type = skb->protocol; - nhoff = 0; - } + if (!skb_flow_dissect_flow_keys(skb, &fk, 0)) + return -EPROTONOSUPPORT; - if (ether_type != htons(ETH_P_IP) && ether_type != htons(ETH_P_IPV6)) + if (fk.basic.n_proto != htons(ETH_P_IP) && fk.basic.n_proto != htons(ETH_P_IPV6)) + return -EPROTONOSUPPORT; + if (fk.control.flags & FLOW_DIS_IS_FRAGMENT) return -EPROTONOSUPPORT; efx_filter_init_rx(&spec, EFX_FILTER_PRI_HINT, @@ -878,56 +863,41 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO | EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_REM_PORT; - spec.ether_type = ether_type; - - if (ether_type == htons(ETH_P_IP)) { - const struct iphdr *ip = - (const struct iphdr *)(skb->data + nhoff); - - EFX_BUG_ON_PARANOID(skb_headlen(skb) < nhoff + sizeof(*ip)); - if (ip_is_fragment(ip)) - return -EPROTONOSUPPORT; - spec.ip_proto = ip->protocol; - spec.rem_host[0] = ip->saddr; - spec.loc_host[0] = ip->daddr; - EFX_BUG_ON_PARANOID(skb_headlen(skb) < nhoff + 4 * ip->ihl + 4); - ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl); + spec.ether_type = fk.basic.n_proto; + spec.ip_proto = fk.basic.ip_proto; + + if (fk.basic.n_proto == htons(ETH_P_IP)) { + spec.rem_host[0] = fk.addrs.v4addrs.src; + spec.loc_host[0] = fk.addrs.v4addrs.dst; } else { - const struct ipv6hdr *ip6 = - (const struct ipv6hdr *)(skb->data + nhoff); - - EFX_BUG_ON_PARANOID(skb_headlen(skb) < - nhoff + sizeof(*ip6) + 4); - spec.ip_proto = ip6->nexthdr; - memcpy(spec.rem_host, &ip6->saddr, sizeof(ip6->saddr)); - memcpy(spec.loc_host, &ip6->daddr, sizeof(ip6->daddr)); - ports = (const __be16 *)(ip6 + 1); + memcpy(spec.rem_host, &fk.addrs.v6addrs.src, sizeof(struct in6_addr)); + memcpy(spec.loc_host, &fk.addrs.v6addrs.dst, sizeof(struct in6_addr)); } - spec.rem_port = ports[0]; - spec.loc_port = ports[1]; + spec.rem_port = fk.ports.src; + spec.loc_port = fk.ports.dst; rc = efx->type->filter_rfs_insert(efx, &spec); if (rc < 0) return rc; /* Remember this so we can check whether to expire the filter later */ - efx->rps_flow_id[rc] = flow_id; - channel = efx_get_channel(efx, skb_get_rx_queue(skb)); + channel = efx_get_channel(efx, rxq_index); + channel->rps_flow_id[rc] = flow_id; ++channel->rfs_filters_added; - if (ether_type == htons(ETH_P_IP)) + if (spec.ether_type == htons(ETH_P_IP)) netif_info(efx, rx_status, efx->net_dev, "steering %s %pI4:%u:%pI4:%u to queue %u [flow %u filter %d]\n", (spec.ip_proto == IPPROTO_TCP) ? "TCP" : "UDP", - spec.rem_host, ntohs(ports[0]), spec.loc_host, - ntohs(ports[1]), rxq_index, flow_id, rc); + spec.rem_host, ntohs(spec.rem_port), spec.loc_host, + ntohs(spec.loc_port), rxq_index, flow_id, rc); else netif_info(efx, rx_status, efx->net_dev, "steering %s [%pI6]:%u:[%pI6]:%u to queue %u [flow %u filter %d]\n", (spec.ip_proto == IPPROTO_TCP) ? "TCP" : "UDP", - spec.rem_host, ntohs(ports[0]), spec.loc_host, - ntohs(ports[1]), rxq_index, flow_id, rc); + spec.rem_host, ntohs(spec.rem_port), spec.loc_host, + ntohs(spec.loc_port), rxq_index, flow_id, rc); return rc; } @@ -935,24 +905,34 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, bool __efx_filter_rfs_expire(struct efx_nic *efx, unsigned int quota) { bool (*expire_one)(struct efx_nic *efx, u32 flow_id, unsigned int index); - unsigned int index, size; + unsigned int channel_idx, index, size; u32 flow_id; if (!spin_trylock_bh(&efx->filter_lock)) return false; expire_one = efx->type->filter_rfs_expire_one; + channel_idx = efx->rps_expire_channel; index = efx->rps_expire_index; size = efx->type->max_rx_ip_filters; while (quota--) { - flow_id = efx->rps_flow_id[index]; - if (expire_one(efx, flow_id, index)) + struct efx_channel *channel = efx_get_channel(efx, channel_idx); + flow_id = channel->rps_flow_id[index]; + + if (flow_id != RPS_FLOW_ID_INVALID && + expire_one(efx, flow_id, index)) { netif_info(efx, rx_status, efx->net_dev, - "expired filter %d [flow %u]\n", - index, flow_id); - if (++index == size) + "expired filter %d [queue %u flow %u]\n", + index, channel_idx, flow_id); + channel->rps_flow_id[index] = RPS_FLOW_ID_INVALID; + } + if (++index == size) { + if (++channel_idx == efx->n_channels) + channel_idx = 0; index = 0; + } } + efx->rps_expire_channel = channel_idx; efx->rps_expire_index = index; spin_unlock_bh(&efx->filter_lock); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index 3f83c369f56c..ec295851812b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -297,7 +297,7 @@ int stmmac_mdio_register(struct net_device *ndev) return -ENOMEM; if (mdio_bus_data->irqs) - memcpy(new_bus->irq, mdio_bus_data, sizeof(new_bus->irq)); + memcpy(new_bus->irq, mdio_bus_data->irqs, sizeof(new_bus->irq)); #ifdef CONFIG_OF if (priv->device->of_node) diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index a0f64cba86ba..2ace126533cd 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -990,7 +990,7 @@ static void team_port_disable(struct team *team, #define TEAM_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ NETIF_F_RXCSUM | NETIF_F_ALL_TSO) -static void __team_compute_features(struct team *team) +static void ___team_compute_features(struct team *team) { struct team_port *port; u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL; @@ -1021,15 +1021,20 @@ static void __team_compute_features(struct team *team) team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; if (dst_release_flag == (IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM)) team->dev->priv_flags |= IFF_XMIT_DST_RELEASE; +} +static void __team_compute_features(struct team *team) +{ + ___team_compute_features(team); netdev_change_features(team->dev); } static void team_compute_features(struct team *team) { mutex_lock(&team->lock); - __team_compute_features(team); + ___team_compute_features(team); mutex_unlock(&team->lock); + netdev_change_features(team->dev); } static int team_port_enter(struct team *team, struct team_port *port) diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index 36cd7f016a8d..9bbe0161a2f4 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -473,7 +473,7 @@ static void read_bulk_callback(struct urb *urb) goto goon; } - if (!count || count < 4) + if (count < 4) goto goon; rx_status = buf[count - 2]; diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index d9d2806a47b1..dc989a8b5afb 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -61,6 +61,8 @@ #define SUSPEND_ALLMODES (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \ SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3) +#define CARRIER_CHECK_DELAY (2 * HZ) + struct smsc95xx_priv { u32 mac_cr; u32 hash_hi; @@ -69,6 +71,9 @@ struct smsc95xx_priv { spinlock_t mac_cr_lock; u8 features; u8 suspend_flags; + bool link_ok; + struct delayed_work carrier_check; + struct usbnet *dev; }; static bool turbo_mode = true; @@ -624,6 +629,44 @@ static void smsc95xx_status(struct usbnet *dev, struct urb *urb) intdata); } +static void set_carrier(struct usbnet *dev, bool link) +{ + struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); + + if (pdata->link_ok == link) + return; + + pdata->link_ok = link; + + if (link) + usbnet_link_change(dev, 1, 0); + else + usbnet_link_change(dev, 0, 0); +} + +static void check_carrier(struct work_struct *work) +{ + struct smsc95xx_priv *pdata = container_of(work, struct smsc95xx_priv, + carrier_check.work); + struct usbnet *dev = pdata->dev; + int ret; + + if (pdata->suspend_flags != 0) + return; + + ret = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMSR); + if (ret < 0) { + netdev_warn(dev->net, "Failed to read MII_BMSR\n"); + return; + } + if (ret & BMSR_LSTATUS) + set_carrier(dev, 1); + else + set_carrier(dev, 0); + + schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY); +} + /* Enable or disable Tx & Rx checksum offload engines */ static int smsc95xx_set_features(struct net_device *netdev, netdev_features_t features) @@ -1165,13 +1208,20 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->flags |= IFF_MULTICAST; dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; + + pdata->dev = dev; + INIT_DELAYED_WORK(&pdata->carrier_check, check_carrier); + schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY); + return 0; } static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf) { struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); + if (pdata) { + cancel_delayed_work(&pdata->carrier_check); netif_dbg(dev, ifdown, dev->net, "free pdata\n"); kfree(pdata); pdata = NULL; @@ -1695,6 +1745,7 @@ static int smsc95xx_resume(struct usb_interface *intf) /* do this first to ensure it's cleared even in error case */ pdata->suspend_flags = 0; + schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY); if (suspend_flags & SUSPEND_ALLMODES) { /* clear wake-up sources */ diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 49d84e540343..e0638e556fe7 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1925,24 +1925,11 @@ static int virtnet_probe(struct virtio_device *vdev) virtio_device_ready(vdev); - /* Last of all, set up some receive buffers. */ - for (i = 0; i < vi->curr_queue_pairs; i++) { - try_fill_recv(vi, &vi->rq[i], GFP_KERNEL); - - /* If we didn't even get one input buffer, we're useless. */ - if (vi->rq[i].vq->num_free == - virtqueue_get_vring_size(vi->rq[i].vq)) { - free_unused_bufs(vi); - err = -ENOMEM; - goto free_recv_bufs; - } - } - vi->nb.notifier_call = &virtnet_cpu_callback; err = register_hotcpu_notifier(&vi->nb); if (err) { pr_debug("virtio_net: registering cpu notifier failed\n"); - goto free_recv_bufs; + goto free_unregister_netdev; } /* Assume link up if device can't report link status, @@ -1960,10 +1947,9 @@ static int virtnet_probe(struct virtio_device *vdev) return 0; -free_recv_bufs: +free_unregister_netdev: vi->vdev->config->reset(vdev); - free_receive_bufs(vi); unregister_netdev(dev); free_vqs: cancel_delayed_work_sync(&vi->refill); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 8ff30c3bdfce..f999db2f97b4 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -3086,6 +3086,9 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, if (data[IFLA_VXLAN_REMCSUM_NOPARTIAL]) conf.flags |= VXLAN_F_REMCSUM_NOPARTIAL; + if (tb[IFLA_MTU]) + conf.mtu = nla_get_u32(tb[IFLA_MTU]); + err = vxlan_dev_configure(src_net, dev, &conf); switch (err) { case -ENODEV: |