Use the new if_multiaddrs list for multicast addresses rather than the

previous hackery involving struct in_ifaddr and arpcom.  Get rid of the
abominable multi_kludge.  Update all network interfaces to use the
new machanism.  Distressingly few Ethernet drivers program the multicast
filter properly (assuming the hardware has one, which it usually does).

1 files changed, 14 insertions, 1 deletions

diff --git a/sys/net/if.h b/sys/net/if.h
index 86e4384..4160868 100644
--- a/sys/net/if.h
+++ b/sys/net/if.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)if.h	8.1 (Berkeley) 6/10/93
- *	$Id: if.h,v 1.41 1996/12/13 21:28:37 wollman Exp $
+ *	$Id: if.h,v 1.42 1997/01/03 19:50:25 wollman Exp $
  */
 
 #ifndef _NET_IF_H_
@@ -124,6 +124,19 @@ struct ifa_msghdr {
 };
 
 /*
+ * Message format for use in obtaining information about multicast addresses
+ * from the routing socket
+ */
+struct ifma_msghdr {
+	u_short	ifmam_msglen;	/* to skip over non-understood messages */
+	u_char	ifmam_version;	/* future binary compatability */
+	u_char	ifmam_type;	/* message type */
+	int	ifmam_addrs;	/* like rtm_addrs */
+	int	ifmam_flags;	/* value of ifa_flags */
+	u_short	ifmam_index;	/* index for associated ifp */
+};
+
+/*
  * Interface request structure used for socket
  * ioctl's.  All interface ioctl's must have parameter
  * definitions which begin with ifr_name.  The