svn commit: r245790 - user/ae/inet6/sys/netinet6
Andrey V. Elsukov
ae at FreeBSD.org
Tue Jan 22 12:34:23 UTC 2013
Author: ae
Date: Tue Jan 22 12:34:22 2013
New Revision: 245790
URL: http://svnweb.freebsd.org/changeset/base/245790
Log:
Add in6ifa_ifwithaddr() function. It is similar to ifa_ifwithaddr(), but
optimized for IPv6.
Modified:
user/ae/inet6/sys/netinet6/in6.c
user/ae/inet6/sys/netinet6/in6_var.h
Modified: user/ae/inet6/sys/netinet6/in6.c
==============================================================================
--- user/ae/inet6/sys/netinet6/in6.c Tue Jan 22 12:10:51 2013 (r245789)
+++ user/ae/inet6/sys/netinet6/in6.c Tue Jan 22 12:34:22 2013 (r245790)
@@ -1904,6 +1904,33 @@ in6ifa_ifpwithaddr(struct ifnet *ifp, st
}
/*
+ * find the internet address corresponding to a given address.
+ * ifaddr is returned referenced.
+ */
+struct in6_ifaddr *
+in6ifa_ifwithaddr(const struct sockaddr_in6 *sa6)
+{
+ struct in6_ifaddr *ia;
+
+ IN6_IFADDR_RLOCK();
+ LIST_FOREACH(ia, IN6ADDR_HASH(&sa6->sin6_addr), ia6_hash) {
+ if (IN6_ARE_ADDR_EQUAL(IA6_IN6(ia), &sa6->sin6_addr)) {
+ /*
+ * XXX: should we determine the scope and compare
+ * sin6_scope_id with corresponding zone id?
+ */
+ if (sa6->sin6_scope_id != 0 &&
+ sa6->sin6_scope_id != in6_getlinkzone(ia->ia_ifp))
+ continue;
+ ifa_ref(ia);
+ break;
+ }
+ }
+ IN6_IFADDR_RUNLOCK();
+ return (ia);
+}
+
+/*
* Convert IP6 address to printable (loggable) representation. Caller
* has to make sure that ip6buf is at least INET6_ADDRSTRLEN long.
*/
Modified: user/ae/inet6/sys/netinet6/in6_var.h
==============================================================================
--- user/ae/inet6/sys/netinet6/in6_var.h Tue Jan 22 12:10:51 2013 (r245789)
+++ user/ae/inet6/sys/netinet6/in6_var.h Tue Jan 22 12:34:22 2013 (r245790)
@@ -801,6 +801,7 @@ void in6_setmaxmtu(void);
int in6_if2idlen(struct ifnet *);
struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int);
struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *);
+struct in6_ifaddr *in6ifa_ifwithaddr(const struct sockaddr_in6 *);
char *ip6_sprintf(char *, const struct in6_addr *);
int in6_addr2zoneid(struct ifnet *, struct in6_addr *, u_int32_t *);
int in6_matchlen(struct in6_addr *, struct in6_addr *);
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