[SK_BUFF]: Introduce ipv6_hdr(), remove skb->nh.ipv6h

[net-next-2.6.git] / net / ipv6 / mcast.c

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 924e24907c3ef9a0fd54c3505141e11286c9509b..b2b37ba48b9c59c18693840efb4a11ad5516c234 100644 (file)
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1167,11 +1167,11 @@ int igmp6_event_query(struct sk_buff *skb)
                return -EINVAL;
 
        /* compute payload length excluding extension headers */
-       len = ntohs(skb->nh.ipv6h->payload_len) + sizeof(struct ipv6hdr);
-       len -= (char *)skb->h.raw - (char *)skb->nh.ipv6h;
+       len = ntohs(ipv6_hdr(skb)->payload_len) + sizeof(struct ipv6hdr);
+       len -= skb->h.raw - skb->nh.raw;
 
        /* Drop queries with not link local source */
-       if (!(ipv6_addr_type(&skb->nh.ipv6h->saddr)&IPV6_ADDR_LINKLOCAL))
+       if (!(ipv6_addr_type(&ipv6_hdr(skb)->saddr) & IPV6_ADDR_LINKLOCAL))
                return -EINVAL;
 
        idev = in6_dev_get(skb->dev);
@@ -1303,7 +1303,7 @@ int igmp6_event_report(struct sk_buff *skb)
        hdr = (struct icmp6hdr*) skb->h.raw;
 
        /* Drop reports with not link local source */
-       addr_type = ipv6_addr_type(&skb->nh.ipv6h->saddr);
+       addr_type = ipv6_addr_type(&ipv6_hdr(skb)->saddr);
        if (addr_type != IPV6_ADDR_ANY &&
            !(addr_type&IPV6_ADDR_LINKLOCAL))
                return -EINVAL;
@@ -1441,7 +1441,7 @@ static inline int mld_dev_queue_xmit2(struct sk_buff *skb)
                unsigned char ha[MAX_ADDR_LEN];
                int err;
 
-               ndisc_mc_map(&skb->nh.ipv6h->daddr, ha, dev, 1);
+               ndisc_mc_map(&ipv6_hdr(skb)->daddr, ha, dev, 1);
                err = dev->hard_header(skb, dev, ETH_P_IPV6, ha, NULL, skb->len);
                if (err < 0) {
                        kfree_skb(skb);
@@ -1459,15 +1459,14 @@ static inline int mld_dev_queue_xmit(struct sk_buff *skb)
 
 static void mld_sendpack(struct sk_buff *skb)
 {
-       struct ipv6hdr *pip6 = skb->nh.ipv6h;
+       struct ipv6hdr *pip6 = ipv6_hdr(skb);
        struct mld2_report *pmr = (struct mld2_report *)skb->h.raw;
        int payload_len, mldlen;
        struct inet6_dev *idev = in6_dev_get(skb->dev);
        int err;
 
        IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
-       payload_len = skb->tail - (unsigned char *)skb->nh.ipv6h -
-               sizeof(struct ipv6hdr);
+       payload_len = skb->tail - skb_network_header(skb) - sizeof(*pip6);
        mldlen = skb->tail - skb->h.raw;
        pip6->payload_len = htons(payload_len);