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| author | Eric Dumazet <edumazet@google.com> | 2012-09-13 21:25:33 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-09-19 15:40:15 -0400 |
| commit | 6b78f16e4bdde3936b11690bdb970be423e07a07 (patch) | |
| tree | 7653996298e2171d49dfc861b13260bdfb1c7e11 | |
| parent | 2c60db037034d27f8c636403355d52872da92f81 (diff) | |
| download | linux-3.10-6b78f16e4bdde3936b11690bdb970be423e07a07.tar.gz linux-3.10-6b78f16e4bdde3936b11690bdb970be423e07a07.tar.bz2 linux-3.10-6b78f16e4bdde3936b11690bdb970be423e07a07.zip | |
gre: add GSO support
Add GSO support to GRE tunnels.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/ip_gre.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index b062a98574f..f233c1da207 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -745,6 +745,10 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev __be32 dst; int mtu; + if (skb->ip_summed == CHECKSUM_PARTIAL && + skb_checksum_help(skb)) + goto tx_error; + if (dev->type == ARPHRD_ETHER) IPCB(skb)->flags = 0; @@ -1296,6 +1300,11 @@ static void ipgre_dev_free(struct net_device *dev) free_netdev(dev); } +#define GRE_FEATURES (NETIF_F_SG | \ + NETIF_F_FRAGLIST | \ + NETIF_F_HIGHDMA | \ + NETIF_F_HW_CSUM) + static void ipgre_tunnel_setup(struct net_device *dev) { dev->netdev_ops = &ipgre_netdev_ops; @@ -1309,6 +1318,9 @@ static void ipgre_tunnel_setup(struct net_device *dev) dev->addr_len = 4; dev->features |= NETIF_F_NETNS_LOCAL; dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; + + dev->features |= GRE_FEATURES; + dev->hw_features |= GRE_FEATURES; } static int ipgre_tunnel_init(struct net_device *dev) |