summaryrefslogtreecommitdiffstats
path: root/net/ipv6/ip6_gre.c
diff options
context:
space:
mode:
authorTom Herbert <therbert@google.com>2014-09-29 20:22:32 -0700
committerDavid S. Miller <davem@davemloft.net>2014-10-01 21:35:51 -0400
commit54bc9bac307861aea5abb747cb58bf0275f2175f (patch)
tree0e0deb57718c2ee62d83405a4b9b605181ee65a1 /net/ipv6/ip6_gre.c
parent077c5a0948cc7b75032288bd37bd6641ef05da76 (diff)
downloadlinux-54bc9bac307861aea5abb747cb58bf0275f2175f.tar.gz
linux-54bc9bac307861aea5abb747cb58bf0275f2175f.tar.bz2
linux-54bc9bac307861aea5abb747cb58bf0275f2175f.zip
gre: Set inner protocol in v4 and v6 GRE transmit
Call skb_set_inner_protocol to set inner Ethernet protocol to protocol being encapsulation by GRE before tunnel_xmit. This is needed for GSO if UDP encapsulation (fou) is being done. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 5f19dfbc4c6a..9a0a1aafe727 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -616,6 +616,7 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb,
int err = -1;
u8 proto;
struct sk_buff *new_skb;
+ __be16 protocol;
if (dev->type == ARPHRD_ETHER)
IPCB(skb)->flags = 0;
@@ -732,8 +733,9 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb,
ipv6h->daddr = fl6->daddr;
((__be16 *)(ipv6h + 1))[0] = tunnel->parms.o_flags;
- ((__be16 *)(ipv6h + 1))[1] = (dev->type == ARPHRD_ETHER) ?
- htons(ETH_P_TEB) : skb->protocol;
+ protocol = (dev->type == ARPHRD_ETHER) ?
+ htons(ETH_P_TEB) : skb->protocol;
+ ((__be16 *)(ipv6h + 1))[1] = protocol;
if (tunnel->parms.o_flags&(GRE_KEY|GRE_CSUM|GRE_SEQ)) {
__be32 *ptr = (__be32 *)(((u8 *)ipv6h) + tunnel->hlen - 4);
@@ -754,6 +756,8 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb,
}
}
+ skb_set_inner_protocol(skb, protocol);
+
ip6tunnel_xmit(skb, dev);
if (ndst)
ip6_tnl_dst_store(tunnel, ndst);