Merge branch 'master'

[linux-2.6] / net / ipv6 / ip6_output.c

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index dbd9767b32e45ee3373e94ae20afee2b5449a83c..f999edd846a9a28744321dc0ab712885454bca29 100644 (file)
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -226,6 +226,8 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
        ipv6_addr_copy(&hdr->saddr, &fl->fl6_src);
        ipv6_addr_copy(&hdr->daddr, first_hop);
 
+       skb->priority = sk->sk_priority;
+
        mtu = dst_mtu(dst);
        if ((skb->len <= mtu) || ipfragok) {
                IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS);
@@ -441,9 +443,15 @@ static void ip6_copy_metadata(struct sk_buff *to, struct sk_buff *from)
 #ifdef CONFIG_NETFILTER
        to->nfmark = from->nfmark;
        /* Connection association is same as pre-frag packet */
+       nf_conntrack_put(to->nfct);
        to->nfct = from->nfct;
        nf_conntrack_get(to->nfct);
        to->nfctinfo = from->nfctinfo;
+#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+       nf_conntrack_put_reasm(to->nfct_reasm);
+       to->nfct_reasm = from->nfct_reasm;
+       nf_conntrack_get_reasm(to->nfct_reasm);
+#endif
 #ifdef CONFIG_BRIDGE_NETFILTER
        nf_bridge_put(to->nf_bridge);
        to->nf_bridge = from->nf_bridge;
@@ -486,6 +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;
@@ -497,7 +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);
@@ -768,7 +782,10 @@ out_err_release:
        *dst = NULL;
        return err;
 }
-inline int ip6_ufo_append_data(struct sock *sk,
+
+EXPORT_SYMBOL_GPL(ip6_dst_lookup);
+
+static inline int ip6_ufo_append_data(struct sock *sk,
                        int getfrag(void *from, char *to, int offset, int len,
                        int odd, struct sk_buff *skb),
                        void *from, int length, int hh_len, int fragheaderlen,
@@ -871,7 +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;
@@ -1173,6 +1195,8 @@ int ip6_push_pending_frames(struct sock *sk)
        ipv6_addr_copy(&hdr->saddr, &fl->fl6_src);
        ipv6_addr_copy(&hdr->daddr, final_dst);
 
+       skb->priority = sk->sk_priority;
+
        skb->dst = dst_clone(&rt->u.dst);
        IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 
        err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dst->dev, dst_output);