netfilter: Pass socket pointer down through okfn().
[linux-block.git] / net / ipv6 / output_core.c
index 74581f706c4da49edef5947e755d049b125d5a25..7d1131dc29fe3ea4337eedf0b9aae12ce7013eb2 100644 (file)
@@ -9,13 +9,14 @@
 #include <net/addrconf.h>
 #include <net/secure_seq.h>
 
-static u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst,
-                              struct in6_addr *src)
+static u32 __ipv6_select_ident(struct net *net, u32 hashrnd,
+                              struct in6_addr *dst, struct in6_addr *src)
 {
        u32 hash, id;
 
        hash = __ipv6_addr_jhash(dst, hashrnd);
        hash = __ipv6_addr_jhash(src, hash);
+       hash ^= net_hash_mix(net);
 
        /* Treat id of 0 as unset and if we get 0 back from ip_idents_reserve,
         * set the hight order instead thus minimizing possible future
@@ -36,7 +37,7 @@ static u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst,
  *
  * The network header must be set before calling this.
  */
-void ipv6_proxy_select_ident(struct sk_buff *skb)
+void ipv6_proxy_select_ident(struct net *net, struct sk_buff *skb)
 {
        static u32 ip6_proxy_idents_hashrnd __read_mostly;
        struct in6_addr buf[2];
@@ -53,20 +54,21 @@ void ipv6_proxy_select_ident(struct sk_buff *skb)
        net_get_random_once(&ip6_proxy_idents_hashrnd,
                            sizeof(ip6_proxy_idents_hashrnd));
 
-       id = __ipv6_select_ident(ip6_proxy_idents_hashrnd,
+       id = __ipv6_select_ident(net, ip6_proxy_idents_hashrnd,
                                 &addrs[1], &addrs[0]);
        skb_shinfo(skb)->ip6_frag_id = htonl(id);
 }
 EXPORT_SYMBOL_GPL(ipv6_proxy_select_ident);
 
-void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
+void ipv6_select_ident(struct net *net, struct frag_hdr *fhdr,
+                      struct rt6_info *rt)
 {
        static u32 ip6_idents_hashrnd __read_mostly;
        u32 id;
 
        net_get_random_once(&ip6_idents_hashrnd, sizeof(ip6_idents_hashrnd));
 
-       id = __ipv6_select_ident(ip6_idents_hashrnd, &rt->rt6i_dst.addr,
+       id = __ipv6_select_ident(net, ip6_idents_hashrnd, &rt->rt6i_dst.addr,
                                 &rt->rt6i_src.addr);
        fhdr->identification = htonl(id);
 }
@@ -144,8 +146,8 @@ int __ip6_local_out(struct sk_buff *skb)
        ipv6_hdr(skb)->payload_len = htons(len);
        IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
 
-       return nf_hook(NFPROTO_IPV6, NF_INET_LOCAL_OUT, skb, NULL,
-                      skb_dst(skb)->dev, dst_output);
+       return nf_hook(NFPROTO_IPV6, NF_INET_LOCAL_OUT, skb->sk, skb,
+                      NULL, skb_dst(skb)->dev, dst_output_sk);
 }
 EXPORT_SYMBOL_GPL(__ip6_local_out);