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authorPravin B Shelar <pshelar@nicira.com>2013-05-07 20:41:07 +0000
committerDavid S. Miller <davem@davemloft.net>2013-05-08 13:13:30 -0700
commit19acc327258ac5bcd0f31c07853e6d9784010fb4 (patch)
tree4079bd2f20e09ebc1f9b23b2eef4ec6976801c74 /net/ipv4
parent54309fa60b5f57b90c1842176f6045e665d21142 (diff)
gso: Handle Trans-Ether-Bridging protocol in skb_network_protocol()
Rather than having logic to calculate inner protocol in every tunnel gso handler move it to gso code. This simplifies code. Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Cong Wang <amwang@redhat.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/gre.c8
-rw-r--r--net/ipv4/udp.c4
2 files changed, 2 insertions, 10 deletions
diff --git a/net/ipv4/gre.c b/net/ipv4/gre.c
index cc22363965d..b2e805af9b8 100644
--- a/net/ipv4/gre.c
+++ b/net/ipv4/gre.c
@@ -150,13 +150,7 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
csum = false;
/* setup inner skb. */
- if (greh->protocol == htons(ETH_P_TEB)) {
- struct ethhdr *eth = (struct ethhdr *)skb_inner_mac_header(skb);
- skb->protocol = eth->h_proto;
- } else {
- skb->protocol = greh->protocol;
- }
-
+ skb->protocol = greh->protocol;
skb->encapsulation = 0;
if (unlikely(!pskb_may_pull(skb, ghl)))
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 0ae038a4c7a..0bf5d399a03 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2311,7 +2311,6 @@ static struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb,
struct sk_buff *segs = ERR_PTR(-EINVAL);
int mac_len = skb->mac_len;
int tnl_hlen = skb_inner_mac_header(skb) - skb_transport_header(skb);
- struct ethhdr *inner_eth = (struct ethhdr *)skb_inner_mac_header(skb);
__be16 protocol = skb->protocol;
netdev_features_t enc_features;
int outer_hlen;
@@ -2324,8 +2323,7 @@ static struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb,
skb_reset_mac_header(skb);
skb_set_network_header(skb, skb_inner_network_offset(skb));
skb->mac_len = skb_inner_network_offset(skb);
- inner_eth = (struct ethhdr *)skb_mac_header(skb);
- skb->protocol = inner_eth->h_proto;
+ skb->protocol = htons(ETH_P_TEB);
/* segment inner packet. */
enc_features = skb->dev->hw_enc_features & netif_skb_features(skb);