[MAC80211]: refactor event sending

[linux-2.6] / net / ipv6 / ah6.c

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index d2af4fe3725b7b9fdb8030a4a08fe3a2ce9c78b9..53f46ab6af7062528e907cf3a2e4676f2fd12afe 100644 (file)
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -74,7 +74,7 @@ bad:
        return 0;
 }
 
-#ifdef CONFIG_IPV6_MIP6
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
 /**
  *     ipv6_rearrange_destopt - rearrange IPv6 destination options header
  *     @iph: IPv6 header
@@ -132,6 +132,8 @@ static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *des
 bad:
        return;
 }
+#else
+static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *destopt) {}
 #endif
 
 /**
@@ -189,10 +191,8 @@ static int ipv6_clear_mutable_options(struct ipv6hdr *iph, int len, int dir)
        while (exthdr.raw < end) {
                switch (nexthdr) {
                case NEXTHDR_DEST:
-#ifdef CONFIG_IPV6_MIP6
                        if (dir == XFRM_POLICY_OUT)
                                ipv6_rearrange_destopt(iph, exthdr.opth);
-#endif
                case NEXTHDR_HOP:
                        if (!zero_out_mutable_opts(exthdr.opth)) {
                                LIMIT_NETDEBUG(
@@ -228,7 +228,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
        u8 nexthdr;
        char tmp_base[8];
        struct {
-#ifdef CONFIG_IPV6_MIP6
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
                struct in6_addr saddr;
 #endif
                struct in6_addr daddr;
@@ -247,7 +247,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
        memcpy(tmp_base, top_iph, sizeof(tmp_base));
 
        tmp_ext = NULL;
-       extlen = skb_transport_offset(skb) + sizeof(struct ipv6hdr);
+       extlen = skb_transport_offset(skb) - sizeof(struct ipv6hdr);
        if (extlen) {
                extlen += sizeof(*tmp_ext);
                tmp_ext = kmalloc(extlen, GFP_ATOMIC);
@@ -255,7 +255,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
                        err = -ENOMEM;
                        goto error;
                }
-#ifdef CONFIG_IPV6_MIP6
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
                memcpy(tmp_ext, &top_iph->saddr, extlen);
 #else
                memcpy(tmp_ext, &top_iph->daddr, extlen);
@@ -294,7 +294,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 
        memcpy(top_iph, tmp_base, sizeof(tmp_base));
        if (tmp_ext) {
-#ifdef CONFIG_IPV6_MIP6
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
                memcpy(&top_iph->saddr, tmp_ext, extlen);
 #else
                memcpy(&top_iph->daddr, tmp_ext, extlen);
@@ -316,8 +316,8 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
         *
         * To erase AH:
         * Keeping copy of cleared headers. After AH processing,
-        * Moving the pointer of skb->nh.raw by using skb_pull as long as AH
-        * header length. Then copy back the copy as long as hdr_len
+        * Moving the pointer of skb->network_header by using skb_pull as long
+        * as AH header length. Then copy back the copy as long as hdr_len
         * If destination header following AH exists, copy it into after [Ext2].
         *
         * |<>|[IPv6][Ext1][Ext2][Dest][Payload]
@@ -384,9 +384,9 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
                }
        }
 
-       skb->nh.raw += ah_hlen;
+       skb->network_header += ah_hlen;
        memcpy(skb_network_header(skb), tmp_hdr, hdr_len);
-       skb->h.raw = skb->nh.raw;
+       skb->transport_header = skb->network_header;
        __skb_pull(skb, ah_hlen + hdr_len);
 
        kfree(tmp_hdr);
@@ -554,3 +554,4 @@ module_init(ah6_init);
 module_exit(ah6_fini);
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_XFRM_TYPE(AF_INET6, XFRM_PROTO_AH);