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authorEric Dumazet <edumazet@google.com>2012-12-29 16:26:10 +0000
committerDavid S. Miller <davem@davemloft.net>2012-12-30 02:31:59 -0800
commit8093315a91340bca52549044975d8c7f673b28a1 (patch)
treeee859ec659115fb11da91c849b81adb3769a8b2c /drivers/net/veth.c
parent2681128f0ced8aa4e66f221197e183cc16d244fe (diff)
downloadop-kernel-dev-8093315a91340bca52549044975d8c7f673b28a1.zip
op-kernel-dev-8093315a91340bca52549044975d8c7f673b28a1.tar.gz
veth: extend device features
veth is lacking most modern facilities, like SG, checksums, TSO. It makes sense to extend dev->features to get them, or GRO aggregation is defeated by a forced segmentation. Reported-by: Andrew Vagin <avagin@parallels.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r--drivers/net/veth.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index c048f8d..8b2e112 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -238,6 +238,10 @@ static const struct net_device_ops veth_netdev_ops = {
.ndo_set_mac_address = eth_mac_addr,
};
+#define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
+ NETIF_F_HW_CSUM | NETIF_F_RXCSUM | NETIF_F_HIGHDMA | \
+ NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX)
+
static void veth_setup(struct net_device *dev)
{
ether_setup(dev);
@@ -248,9 +252,10 @@ static void veth_setup(struct net_device *dev)
dev->netdev_ops = &veth_netdev_ops;
dev->ethtool_ops = &veth_ethtool_ops;
dev->features |= NETIF_F_LLTX;
+ dev->features |= VETH_FEATURES;
dev->destructor = veth_dev_free;
- dev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_RXCSUM;
+ dev->hw_features = VETH_FEATURES;
}
/*
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