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| author | Jiri Pirko <jiri@resnulli.us> | 2013-10-19 12:29:17 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-10-19 19:20:52 -0400 |
| commit | e93b7d748be887cd7639b113ba7d7ef792a7efb9 (patch) | |
| tree | 982957514f2e4966c2a817c7615178c459e1fd3a /net | |
| parent | c547dbf55d5f8cf615ccc0e7265e98db27d3fb8b (diff) | |
| download | linux-e93b7d748be887cd7639b113ba7d7ef792a7efb9.tar.gz linux-e93b7d748be887cd7639b113ba7d7ef792a7efb9.tar.bz2 linux-e93b7d748be887cd7639b113ba7d7ef792a7efb9.zip | |
ip_output: do skb ufo init for peeked non ufo skb as well
Now, if user application does:
sendto len<mtu flag MSG_MORE
sendto len>mtu flag 0
The skb is not treated as fragmented one because it is not initialized
that way. So move the initialization to fix this.
introduced by:
commit e89e9cf539a28df7d0eb1d0a545368e9920b34ac "[IPv4/IPv6]: UFO Scatter-gather approach"
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ip_output.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index a04d872c54f9..3982eabf61e1 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -772,15 +772,20 @@ static inline int ip_ufo_append_data(struct sock *sk, /* initialize protocol header pointer */ skb->transport_header = skb->network_header + fragheaderlen; - skb->ip_summed = CHECKSUM_PARTIAL; skb->csum = 0; - /* specify the length of each IP datagram fragment */ - skb_shinfo(skb)->gso_size = maxfraglen - fragheaderlen; - skb_shinfo(skb)->gso_type = SKB_GSO_UDP; + __skb_queue_tail(queue, skb); + } else if (skb_is_gso(skb)) { + goto append; } + skb->ip_summed = CHECKSUM_PARTIAL; + /* specify the length of each IP datagram fragment */ + skb_shinfo(skb)->gso_size = maxfraglen - fragheaderlen; + skb_shinfo(skb)->gso_type = SKB_GSO_UDP; + +append: return skb_append_datato_frags(sk, skb, getfrag, from, (length - transhdrlen)); } |