#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;
struct veth_priv {
struct net_device *peer;
struct veth_net_stats __percpu *stats;
- unsigned ip_summed;
};
/*
{
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;
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,
/* 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)
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;
}
/*
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;
err_register_dev:
/* nothing to do */
+err_alloc_name:
err_configure_peer:
unregister_netdevice(peer);
return err;