Implement basic routing socket filtering. It is possible to give a list --

actually a bitfield -- of routing messages a listener is interested in.
This list can be changed with a setsockopt(s, AF_ROUTE, ROUTE_MSGFILTER, ...)
call. OK henning@, dlg@

1 files changed, 9 insertions, 1 deletions

diff --git a/sys/net/route.h b/sys/net/route.h
index 3ce2f803fba..45df3f207d2 100644
--- a/sys/net/route.h
+++ b/sys/net/route.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: route.h,v 1.56 2009/01/08 12:47:45 michele Exp $	*/
+/*	$OpenBSD: route.h,v 1.57 2009/01/28 12:34:09 claudio Exp $	*/
 /*	$NetBSD: route.h,v 1.9 1996/02/13 22:00:49 christos Exp $	*/
 
 /*
@@ -297,6 +297,14 @@ struct rt_omsghdr {
 #define RTAX_LABEL	10	/* route label present */
 #define RTAX_MAX	11	/* size of array to allocate */
 
+/*
+ * setsockopt defines used for the filtering.
+ */
+#define ROUTE_MSGFILTER	1	/* bitmask to specifiy which types should be
+				   sent to the client. */
+
+#define ROUTE_SETFILTER(x, m)	(x) |= (1 << (m))
+
 struct rt_addrinfo {
 	int	rti_addrs;
 	struct	sockaddr *rti_info[RTAX_MAX];