[IPV6]: Make ndisc_flow_init() common for later use.

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

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index ba7c8aaf27822720e417fdc81db0abce9c57aac4..ff3971173e1e208b995f6d3c75b91361eac61ab6 100644 (file)
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -257,6 +257,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
        ipv6_addr_copy(&hdr->daddr, first_hop);
 
        skb->priority = sk->sk_priority;
+       skb->mark = sk->sk_mark;
 
        mtu = dst_mtu(dst);
        if ((skb->len <= mtu) || ipfragok || skb_is_gso(skb)) {
@@ -595,7 +596,6 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
 
        return offset;
 }
-EXPORT_SYMBOL_GPL(ip6_find_1stfragopt);
 
 static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 {
@@ -620,7 +620,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
         * or if the skb it not generated by a local socket.  (This last
         * check should be redundant, but it's free.)
         */
-       if (!np || np->pmtudisc >= IPV6_PMTUDISC_DO) {
+       if (!skb->local_df) {
                skb->dev = skb->dst->dev;
                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
                IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);
@@ -636,6 +636,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 
        if (skb_shinfo(skb)->frag_list) {
                int first_len = skb_pagelen(skb);
+               int truesizes = 0;
 
                if (first_len - hlen > mtu ||
                    ((first_len - hlen) & 7) ||
@@ -658,7 +659,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                                sock_hold(skb->sk);
                                frag->sk = skb->sk;
                                frag->destructor = sock_wfree;
-                               skb->truesize -= frag->truesize;
+                               truesizes += frag->truesize;
                        }
                }
 
@@ -689,6 +690,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 
                first_len = skb_pagelen(skb);
                skb->data_len = first_len - skb_headlen(skb);
+               skb->truesize -= truesizes;
                skb->len = first_len;
                ipv6_hdr(skb)->payload_len = htons(first_len -
                                                   sizeof(struct ipv6hdr));
@@ -917,7 +919,8 @@ static int ip6_dst_lookup_tail(struct sock *sk,
                goto out_err_release;
 
        if (ipv6_addr_any(&fl->fl6_src)) {
-               err = ipv6_get_saddr(*dst, &fl->fl6_dst, &fl->fl6_src);
+               err = ipv6_dev_get_saddr(ip6_dst_idev(*dst)->dev,
+                                        &fl->fl6_dst, &fl->fl6_src);
                if (err)
                        goto out_err_release;
        }
@@ -936,7 +939,8 @@ static int ip6_dst_lookup_tail(struct sock *sk,
                        struct flowi fl_gw;
                        int redirect;
 
-                       ifp = ipv6_get_ifaddr(&fl->fl6_src, (*dst)->dev, 1);
+                       ifp = ipv6_get_ifaddr(&init_net, &fl->fl6_src,
+                                             (*dst)->dev, 1);
 
                        redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC);
                        if (ifp)
@@ -1416,6 +1420,10 @@ int ip6_push_pending_frames(struct sock *sk)
                tmp_skb->sk = NULL;
        }
 
+       /* Allow local fragmentation. */
+       if (np->pmtudisc < IPV6_PMTUDISC_DO)
+               skb->local_df = 1;
+
        ipv6_addr_copy(final_dst, &fl->fl6_dst);
        __skb_pull(skb, skb_network_header_len(skb));
        if (opt && opt->opt_flen)
@@ -1436,6 +1444,7 @@ int ip6_push_pending_frames(struct sock *sk)
        ipv6_addr_copy(&hdr->daddr, final_dst);
 
        skb->priority = sk->sk_priority;
+       skb->mark = sk->sk_mark;
 
        skb->dst = dst_clone(&rt->u.dst);
        IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTREQUESTS);