diff options
Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r-- | drivers/net/veth.c | 60 |
1 files changed, 18 insertions, 42 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 2de9b90c5f8..8461576fa01 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -22,7 +22,6 @@ #define MIN_MTU 68 /* Min L3 MTU */ #define MAX_MTU 65535 /* Max L3 MTU (arbitrary) */ -#define MTU_PAD (ETH_HLEN + 4) /* Max difference between L2 and L3 size MTU */ struct veth_net_stats { unsigned long rx_packets; @@ -36,7 +35,6 @@ struct veth_net_stats { struct veth_priv { struct net_device *peer; struct veth_net_stats __percpu *stats; - unsigned ip_summed; }; /* @@ -53,7 +51,7 @@ static int veth_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { cmd->supported = 0; cmd->advertising = 0; - cmd->speed = SPEED_10000; + ethtool_cmd_speed_set(cmd, SPEED_10000); cmd->duplex = DUPLEX_FULL; cmd->port = PORT_TP; cmd->phy_address = 0; @@ -99,47 +97,10 @@ static void veth_get_ethtool_stats(struct net_device *dev, data[0] = priv->peer->ifindex; } -static u32 veth_get_rx_csum(struct net_device *dev) -{ - struct veth_priv *priv; - - priv = netdev_priv(dev); - return priv->ip_summed == CHECKSUM_UNNECESSARY; -} - -static int veth_set_rx_csum(struct net_device *dev, u32 data) -{ - struct veth_priv *priv; - - priv = netdev_priv(dev); - priv->ip_summed = data ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE; - return 0; -} - -static u32 veth_get_tx_csum(struct net_device *dev) -{ - return (dev->features & NETIF_F_NO_CSUM) != 0; -} - -static int veth_set_tx_csum(struct net_device *dev, u32 data) -{ - if (data) - dev->features |= NETIF_F_NO_CSUM; - else - dev->features &= ~NETIF_F_NO_CSUM; - return 0; -} - static const struct ethtool_ops veth_ethtool_ops = { .get_settings = veth_get_settings, .get_drvinfo = veth_get_drvinfo, .get_link = ethtool_op_get_link, - .get_rx_csum = veth_get_rx_csum, - .set_rx_csum = veth_set_rx_csum, - .get_tx_csum = veth_get_tx_csum, - .set_tx_csum = veth_set_tx_csum, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, .get_strings = veth_get_strings, .get_sset_count = veth_get_sset_count, .get_ethtool_stats = veth_get_ethtool_stats, @@ -168,8 +129,9 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) /* don't change ip_summed == CHECKSUM_PARTIAL, as that will cause bad checksum on forwarded packets */ - if (skb->ip_summed == CHECKSUM_NONE) - skb->ip_summed = rcv_priv->ip_summed; + if (skb->ip_summed == CHECKSUM_NONE && + rcv->features & NETIF_F_RXCSUM) + skb->ip_summed = CHECKSUM_UNNECESSARY; length = skb->len; if (dev_forward_skb(rcv, skb) != NET_RX_SUCCESS) @@ -304,6 +266,8 @@ static void veth_setup(struct net_device *dev) dev->ethtool_ops = &veth_ethtool_ops; dev->features |= NETIF_F_LLTX; dev->destructor = veth_dev_free; + + dev->hw_features = NETIF_F_NO_CSUM | NETIF_F_SG | NETIF_F_RXCSUM; } /* @@ -403,6 +367,17 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, if (tb[IFLA_ADDRESS] == NULL) random_ether_addr(dev->dev_addr); + if (tb[IFLA_IFNAME]) + nla_strlcpy(dev->name, tb[IFLA_IFNAME], IFNAMSIZ); + else + snprintf(dev->name, IFNAMSIZ, DRV_NAME "%%d"); + + if (strchr(dev->name, '%')) { + err = dev_alloc_name(dev, dev->name); + if (err < 0) + goto err_alloc_name; + } + err = register_netdevice(dev); if (err < 0) goto err_register_dev; @@ -422,6 +397,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, err_register_dev: /* nothing to do */ +err_alloc_name: err_configure_peer: unregister_netdevice(peer); return err; |