X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fnet%2Fipv6.h;h=9573c8d1915370d04df50ead4345cd128eaf1f73;hb=e773e4faa19c54c2f32ddd16add2919588488bd9;hp=9059e0ed7fe375e70d12740a1703526d89aba944;hpb=6f4fc423b96c8fdf6f5c8b8ad79b75b7fb5a5c59;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 9059e0e..9573c8d 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -377,6 +377,12 @@ static inline int ipv6_addr_any(const struct in6_addr *a)
 		 a->s6_addr32[2] | a->s6_addr32[3] ) == 0); 
 }
 
+static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
+{
+	return ((a->s6_addr32[0] | a->s6_addr32[1]) == 0 &&
+		 a->s6_addr32[2] == htonl(0x0000ffff));
+}
+
 /*
  * find the first different bit between two addresses
  * length of address must be a multiple of 32bits