[ICMP6]: Introduce icmp6_hdr()
For consistency with all the other skb->h.raw accessors. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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2c0fd387b0
Коммит
cc70ab261c
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@ -75,6 +75,15 @@ struct icmp6hdr {
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#define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref
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};
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#ifdef __KERNEL__
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#include <linux/skbuff.h>
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static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb)
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{
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return (struct icmp6hdr *)skb->h.raw;
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}
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#endif
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#define ICMPV6_ROUTER_PREF_LOW 0x3
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#define ICMPV6_ROUTER_PREF_MEDIUM 0x0
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#define ICMPV6_ROUTER_PREF_HIGH 0x1
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@ -209,7 +209,7 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
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__be16 port, u32 info, u8 *payload)
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{
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struct ipv6_pinfo *np = inet6_sk(sk);
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struct icmp6hdr *icmph = (struct icmp6hdr *)skb->h.raw;
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struct icmp6hdr *icmph = icmp6_hdr(skb);
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struct sock_exterr_skb *serr;
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if (!np->recverr)
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@ -222,7 +222,7 @@ static int icmpv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct
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if ((skb = skb_peek(&sk->sk_write_queue)) == NULL)
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goto out;
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icmp6h = (struct icmp6hdr*) skb->h.raw;
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icmp6h = icmp6_hdr(skb);
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memcpy(icmp6h, thdr, sizeof(struct icmp6hdr));
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icmp6h->icmp6_cksum = 0;
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@ -476,7 +476,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
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struct inet6_dev *idev;
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struct ipv6_pinfo *np;
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struct in6_addr *saddr = NULL;
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struct icmp6hdr *icmph = (struct icmp6hdr *) skb->h.raw;
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struct icmp6hdr *icmph = icmp6_hdr(skb);
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struct icmp6hdr tmp_hdr;
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struct flowi fl;
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struct icmpv6_msg msg;
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@ -651,7 +651,7 @@ static int icmpv6_rcv(struct sk_buff **pskb)
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if (!pskb_pull(skb, sizeof(struct icmp6hdr)))
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goto discard_it;
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hdr = (struct icmp6hdr *) skb->h.raw;
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hdr = icmp6_hdr(skb);
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type = hdr->icmp6_type;
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@ -677,7 +677,7 @@ static int icmpv6_rcv(struct sk_buff **pskb)
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*/
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if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
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goto discard_it;
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hdr = (struct icmp6hdr *) skb->h.raw;
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hdr = icmp6_hdr(skb);
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orig_hdr = (struct ipv6hdr *) (hdr + 1);
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rt6_pmtu_discovery(&orig_hdr->daddr, &orig_hdr->saddr, dev,
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ntohl(hdr->icmp6_mtu));
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@ -988,7 +988,7 @@ int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
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if (!pskb_may_pull(skb, sizeof(struct icmp6hdr)))
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return 0;
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pic = (struct icmp6hdr *)skb->h.raw;
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pic = icmp6_hdr(skb);
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switch (pic->icmp6_type) {
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case ICMPV6_MGM_QUERY:
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@ -1179,7 +1179,7 @@ int igmp6_event_query(struct sk_buff *skb)
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if (idev == NULL)
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return 0;
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hdr = (struct icmp6hdr *) skb->h.raw;
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hdr = icmp6_hdr(skb);
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group = (struct in6_addr *) (hdr + 1);
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group_type = ipv6_addr_type(group);
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@ -1300,7 +1300,7 @@ int igmp6_event_report(struct sk_buff *skb)
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if (!pskb_may_pull(skb, sizeof(struct in6_addr)))
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return -EINVAL;
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hdr = (struct icmp6hdr*) skb->h.raw;
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hdr = icmp6_hdr(skb);
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/* Drop reports with not link local source */
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addr_type = ipv6_addr_type(&ipv6_hdr(skb)->saddr);
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@ -1366,7 +1366,7 @@ static void ndisc_redirect_rcv(struct sk_buff *skb)
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return;
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}
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icmph = (struct icmp6hdr *) skb->h.raw;
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icmph = icmp6_hdr(skb);
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target = (struct in6_addr *) (icmph + 1);
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dest = target + 1;
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