diff options
| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-03-13 23:36:52 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-03-13 23:36:52 -0500 |
| commit | 58a343f22e8ef987b90e34bbef7f1455e3bb5a15 (patch) | |
| tree | fc811fb570639f2083df6d9191b6a8d7cff65352 /net/ipv6/ip6_output.c | |
| parent | 51c38f9bce274a1e8a90aa457fb433be738f7458 (diff) | |
| parent | 3759fa9c55923f719ae944a3f8fbb029b36f759d (diff) | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index efa3e72cfcf..5bf70b1442e 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -494,6 +494,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) struct net_device *dev; struct sk_buff *frag; struct rt6_info *rt = (struct rt6_info*)skb->dst; + struct ipv6_pinfo *np = skb->sk ? inet6_sk(skb->sk) : NULL; struct ipv6hdr *tmp_hdr; struct frag_hdr *fh; unsigned int mtu, hlen, left, len; @@ -505,7 +506,12 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) hlen = ip6_find_1stfragopt(skb, &prevhdr); nexthdr = *prevhdr; - mtu = dst_mtu(&rt->u.dst) - hlen - sizeof(struct frag_hdr); + mtu = dst_mtu(&rt->u.dst); + if (np && np->frag_size < mtu) { + if (np->frag_size) + mtu = np->frag_size; + } + mtu -= hlen + sizeof(struct frag_hdr); if (skb_shinfo(skb)->frag_list) { int first_len = skb_pagelen(skb); @@ -882,7 +888,12 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, inet->cork.fl = *fl; np->cork.hop_limit = hlimit; np->cork.tclass = tclass; - inet->cork.fragsize = mtu = dst_mtu(rt->u.dst.path); + mtu = dst_mtu(rt->u.dst.path); + if (np && np->frag_size < mtu) { + if (np->frag_size) + mtu = np->frag_size; + } + inet->cork.fragsize = mtu; if (dst_allfrag(rt->u.dst.path)) inet->cork.flags |= IPCORK_ALLFRAG; inet->cork.length = 0; @@ -933,10 +944,11 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) && (rt->u.dst.dev->features & NETIF_F_UFO)) { - if(ip6_ufo_append_data(sk, getfrag, from, length, hh_len, - fragheaderlen, transhdrlen, mtu, flags)) + err = ip6_ufo_append_data(sk, getfrag, from, length, hh_len, + fragheaderlen, transhdrlen, mtu, + flags); + if (err) goto error; - return 0; } |