diff options
Diffstat (limited to 'net/ipv4/ip_output.c')
-rw-r--r-- | net/ipv4/ip_output.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 08349267ceb4..e527628f56cf 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c | |||
@@ -753,23 +753,15 @@ static inline int ip_ufo_append_data(struct sock *sk, | |||
753 | skb->ip_summed = CHECKSUM_PARTIAL; | 753 | skb->ip_summed = CHECKSUM_PARTIAL; |
754 | skb->csum = 0; | 754 | skb->csum = 0; |
755 | sk->sk_sndmsg_off = 0; | 755 | sk->sk_sndmsg_off = 0; |
756 | } | ||
757 | 756 | ||
758 | err = skb_append_datato_frags(sk,skb, getfrag, from, | 757 | /* specify the length of each IP datagram fragment */ |
759 | (length - transhdrlen)); | ||
760 | if (!err) { | ||
761 | /* specify the length of each IP datagram fragment*/ | ||
762 | skb_shinfo(skb)->gso_size = mtu - fragheaderlen; | 758 | skb_shinfo(skb)->gso_size = mtu - fragheaderlen; |
763 | skb_shinfo(skb)->gso_type = SKB_GSO_UDP; | 759 | skb_shinfo(skb)->gso_type = SKB_GSO_UDP; |
764 | __skb_queue_tail(&sk->sk_write_queue, skb); | 760 | __skb_queue_tail(&sk->sk_write_queue, skb); |
765 | |||
766 | return 0; | ||
767 | } | 761 | } |
768 | /* There is not enough support do UFO , | 762 | |
769 | * so follow normal path | 763 | return skb_append_datato_frags(sk, skb, getfrag, from, |
770 | */ | 764 | (length - transhdrlen)); |
771 | kfree_skb(skb); | ||
772 | return err; | ||
773 | } | 765 | } |
774 | 766 | ||
775 | /* | 767 | /* |
@@ -863,9 +855,9 @@ int ip_append_data(struct sock *sk, | |||
863 | csummode = CHECKSUM_PARTIAL; | 855 | csummode = CHECKSUM_PARTIAL; |
864 | 856 | ||
865 | inet->cork.length += length; | 857 | inet->cork.length += length; |
866 | if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) && | 858 | if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) && |
867 | (rt->u.dst.dev->features & NETIF_F_UFO)) { | 859 | (sk->sk_protocol == IPPROTO_UDP) && |
868 | 860 | (rt->u.dst.dev->features & NETIF_F_UFO)) { | |
869 | err = ip_ufo_append_data(sk, getfrag, from, length, hh_len, | 861 | err = ip_ufo_append_data(sk, getfrag, from, length, hh_len, |
870 | fragheaderlen, transhdrlen, mtu, | 862 | fragheaderlen, transhdrlen, mtu, |
871 | flags); | 863 | flags); |