Author: ae
Date: Sun Nov 9 22:54:40 2014
New Revision: 274334
URL: https://svnweb.freebsd.org/changeset/base/274334
Log:
Use embedded scope zone id to determine outgoing interface for link-local
and node-local addresses.
Modified:
head/sys/netinet6/in6_src.c
Modified: head/sys/netinet6/in6_src.c
==============================================================================
--- head/sys/netinet6/in6_src.c Sun Nov 9 22:43:29 2014 (r274333)
+++ head/sys/netinet6/in6_src.c Sun Nov 9 22:54:40 2014 (r274334)
@@ -555,6 +555,7 @@ selectroute(struct sockaddr_in6 *dstsock
struct sockaddr_in6 *sin6_next;
struct in6_pktinfo *pi = NULL;
struct in6_addr *dst = &dstsock->sin6_addr;
+ uint32_t zoneid;
#if 0
char ip6buf[INET6_ADDRSTRLEN];
@@ -585,7 +586,18 @@ selectroute(struct sockaddr_in6 *dstsock
} else
goto getroute;
}
-
+ /*
+ * If destination address is LLA or link- or node-local multicast,
+ * use it's embedded scope zone id to determine outgoing interface.
+ */
+ if (IN6_IS_SCOPE_LINKLOCAL(dst) ||
+ IN6_IS_ADDR_MC_NODELOCAL(dst)) {
+ zoneid = ntohs(in6_getscope(dst));
+ if (zoneid > 0) {
+ ifp = in6_getlinkifnet(zoneid);
+ goto done;
+ }
+ }
/*
* If the destination address is a multicast address and the outgoing
* interface for the address is specified by the caller, use it.
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