[SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iph

[safe/jmp/linux-2.6] / net / sctp / input.c

diff --git a/net/sctp/input.c b/net/sctp/input.c
index 1bb3f26..595fe32 100644 (file)
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -127,7 +127,6 @@ int sctp_rcv(struct sk_buff *skb)
        struct sctphdr *sh;
        union sctp_addr src;
        union sctp_addr dest;
-       union sctp_addr tmp;
        int family;
        struct sctp_af *af;
 
@@ -155,7 +154,7 @@ int sctp_rcv(struct sk_buff *skb)
        if (skb->len < sizeof(struct sctp_chunkhdr))
                goto discard_it;
 
-       family = ipver2af(skb->nh.iph->version);
+       family = ipver2af(ip_hdr(skb)->version);
        af = sctp_get_af_specific(family);
        if (unlikely(!af))
                goto discard_it;
@@ -181,10 +180,8 @@ int sctp_rcv(struct sk_buff *skb)
 
        asoc = __sctp_rcv_lookup(skb, &src, &dest, &transport);
 
-       flip_to_n(&tmp, &dest);
-
        if (!asoc)
-               ep = __sctp_rcv_lookup_endpoint(&tmp);
+               ep = __sctp_rcv_lookup_endpoint(&dest);
 
        /* Retrieve the common input handling substructure. */
        rcvr = asoc ? &asoc->base : &ep->base;
@@ -229,7 +226,7 @@ int sctp_rcv(struct sk_buff *skb)
        nf_reset(skb);
 
        if (sk_filter(sk, skb))
-                goto discard_release;
+               goto discard_release;
 
        /* Create an SCTP packet structure. */
        chunk = sctp_chunkify(skb, asoc, sk);
@@ -296,11 +293,11 @@ discard_release:
 int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 {
        struct sctp_chunk *chunk = SCTP_INPUT_CB(skb)->chunk;
-       struct sctp_inq *inqueue = &chunk->rcvr->inqueue;
-       struct sctp_ep_common *rcvr = NULL;
+       struct sctp_inq *inqueue = &chunk->rcvr->inqueue;
+       struct sctp_ep_common *rcvr = NULL;
        int backloged = 0;
 
-       rcvr = chunk->rcvr;
+       rcvr = chunk->rcvr;
 
        /* If the rcvr is dead then the association or endpoint
         * has been deleted and we can safely drop the chunk
@@ -350,7 +347,7 @@ done:
        else
                BUG();
 
-        return 0;
+       return 0;
 }
 
 static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb)
@@ -402,7 +399,7 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
         * Normally, if PMTU discovery is disabled, an ICMP Fragmentation
         * Needed will never be sent, but if a message was sent before
         * PMTU discovery was disabled that was larger than the PMTU, it
-        * would not be fragmented, so it must be re-transmitted fragmented.     
+        * would not be fragmented, so it must be re-transmitted fragmented.
         */
        sctp_retransmit(&asoc->outqueue, t, SCTP_RTXR_PMTUD);
 }
@@ -419,8 +416,8 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
  *
  */
 void sctp_icmp_proto_unreachable(struct sock *sk,
-                           struct sctp_association *asoc,
-                           struct sctp_transport *t)
+                          struct sctp_association *asoc,
+                          struct sctp_transport *t)
 {
        SCTP_DEBUG_PRINTK("%s\n",  __FUNCTION__);
 
@@ -531,7 +528,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info)
        /* Fix up skb to look at the embedded net header. */
        saveip = skb->nh.raw;
        savesctp  = skb->h.raw;
-       skb->nh.iph = iph;
+       skb_reset_network_header(skb);
        skb->h.raw = (char *)sh;
        sk = sctp_err_lookup(AF_INET, skb, sh, &asoc, &transport);
        /* Put back, the original pointers. */
@@ -833,7 +830,7 @@ static struct sctp_association *__sctp_lookup_association(
        /* Optimize here for direct hit, only listening connections can
         * have wildcards anyways.
         */
-       hash = sctp_assoc_hashfn(local->v4.sin_port, peer->v4.sin_port);
+       hash = sctp_assoc_hashfn(ntohs(local->v4.sin_port), ntohs(peer->v4.sin_port));
        head = &sctp_assoc_hashtable[hash];
        read_lock(&head->lock);
        for (epb = head->chain; epb; epb = epb->next) {
@@ -960,7 +957,7 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb,
                if (!af)
                        continue;
 
-               af->from_addr_param(paddr, params.addr, ntohs(sh->source), 0);
+               af->from_addr_param(paddr, params.addr, sh->source, 0);
 
                asoc = __sctp_lookup_association(laddr, paddr, &transport);
                if (asoc)