Add multicast address type inline to avoid calls to ipv6_addr_type().

Signed-off-by: Brian Haley <[EMAIL PROTECTED]>
---
 include/net/ipv6.h    |    5 +++++
 net/ipv6/icmp.c       |   12 ++++--------
 net/ipv6/ip6_tunnel.c |    4 ++--
 net/ipv6/route.c      |    4 ++--
 4 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index d473789..a888b0e 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -439,6 +439,11 @@ static inline int ipv6_addr_scope_sitelocal(const struct 
in6_addr *a)
        return ((a->s6_addr32[0] & htonl(0xFFC00000)) == htonl(0xFEC00000));
 }

+static inline int ipv6_addr_type_multicast(const struct in6_addr *a)
+{
+       return ((a->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000));
+}
+
 /*
  *     Prototypes exported by ipv6
  */
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index e94992a..709037f 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -312,7 +312,6 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, 
__u32 info,
        struct flowi fl;
        struct icmpv6_msg msg;
        int iif = 0;
-       int addr_type = 0;
        int len;
        int hlimit, tclass;
        int err = 0;
@@ -327,8 +326,6 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, 
__u32 info,
         *      Rule (e.1) is enforced by not using icmpv6_send
         *      in any code that processes icmp errors.
         */
-       addr_type = ipv6_addr_type(&hdr->daddr);
-
        if (ipv6_chk_addr(&hdr->daddr, skb->dev, 0))
                saddr = &hdr->daddr;

@@ -336,7 +333,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, 
__u32 info,
         *      Dest addr check
         */

-       if ((addr_type & IPV6_ADDR_MULTICAST || skb->pkt_type != PACKET_HOST)) {
+       if (ipv6_addr_type_multicast(&hdr->daddr) || skb->pkt_type != 
PACKET_HOST) {
                if (type != ICMPV6_PKT_TOOBIG &&
                    !(type == ICMPV6_PARAMPROB &&
                      code == ICMPV6_UNK_OPTION &&
@@ -346,13 +343,11 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, 
__u32 info,
                saddr = NULL;
        }

-       addr_type = ipv6_addr_type(&hdr->saddr);
-
        /*
         *      Source addr check
         */

-       if (addr_type & IPV6_ADDR_LINKLOCAL)
+       if (ipv6_addr_scope_linklocal(&hdr->saddr))
                iif = skb->dev->ifindex;

        /*
@@ -361,7 +356,8 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, 
__u32 info,
         *      We check unspecified / multicast addresses here,
         *      and anycast addresses will be checked later.
         */
-       if ((addr_type == IPV6_ADDR_ANY) || (addr_type & IPV6_ADDR_MULTICAST)) {
+       if (ipv6_addr_any(&hdr->saddr) ||
+           ipv6_addr_type_multicast(&hdr->saddr)) {
                LIMIT_NETDEBUG(KERN_DEBUG "icmpv6_send: addr_any/mcast 
source\n");
                return;
        }
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index a0902fb..0dd1f63 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1111,8 +1111,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
        dev->iflink = p->link;

        if (p->flags & IP6_TNL_F_CAP_XMIT) {
-               int strict = (ipv6_addr_type(&p->raddr) &
-                             (IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL));
+               int strict = ipv6_addr_type_multicast(&p->raddr) ||
+                            ipv6_addr_scope_linklocal(&p->raddr);

                struct rt6_info *rt = rt6_lookup(&p->raddr, &p->laddr,
                                                 p->link, strict);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 53d79ac..32c6398 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -227,8 +227,8 @@ static __inline__ int rt6_check_expired(const struct 
rt6_info *rt)

 static inline int rt6_need_strict(struct in6_addr *daddr)
 {
-       return (ipv6_addr_type(daddr) &
-               (IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL));
+       return (ipv6_addr_is_multicast(daddr) ||
+               ipv6_addr_scope_linklocal(daddr));
 }

 /*

-
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