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| author | Hannes Frederic Sowa <hannes@stressinduktion.org> | 2013-08-26 12:31:23 +0200 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2013-08-26 12:46:24 +0200 |
| commit | 9c9c9ad5fae7e9ef56a38acb508a01919b225e9a (patch) | |
| tree | 55be017c3c5f7dd19e8f5735188e1ca43bb6122b /net/ipv6/ip6_output.c | |
| parent | 5a25cf1e310888eb333f9e034be84a8117111d30 (diff) | |
| download | lwn-9c9c9ad5fae7e9ef56a38acb508a01919b225e9a.tar.gz lwn-9c9c9ad5fae7e9ef56a38acb508a01919b225e9a.zip | |
ipv6: set skb->protocol on tcp, raw and ip6_append_data genereated skbs
Currently we don't initialize skb->protocol when transmitting data via
tcp, raw(with and without inclhdr) or udp+ufo or appending data directly
to the socket transmit queue (via ip6_append_data). This needs to be
done so that we can get the correct mtu in the xfrm layer.
Setting of skb->protocol happens only in functions where we also have
a transmitting socket and a new skb, so we don't overwrite old values.
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 6e3ddf806ec2..e7ceb6c871d1 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -238,6 +238,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6, hdr->saddr = fl6->saddr; hdr->daddr = *first_hop; + skb->protocol = htons(ETH_P_IPV6); skb->priority = sk->sk_priority; skb->mark = sk->sk_mark; @@ -1057,6 +1058,7 @@ static inline int ip6_ufo_append_data(struct sock *sk, /* initialize protocol header pointer */ skb->transport_header = skb->network_header + fragheaderlen; + skb->protocol = htons(ETH_P_IPV6); skb->ip_summed = CHECKSUM_PARTIAL; skb->csum = 0; } @@ -1359,6 +1361,7 @@ alloc_new_skb: /* * Fill in the control structures */ + skb->protocol = htons(ETH_P_IPV6); skb->ip_summed = CHECKSUM_NONE; skb->csum = 0; /* reserve for fragmentation and ipsec header */ |