Module Name:    src
Committed By:   tih
Date:           Thu Aug 27 19:21:14 UTC 2020

Modified Files:
        src/sys/net: if_wg.c

Log Message:
Summary: let wg interfaces carry multicast traffic

Once a wg interface is up and running, it is useful to be able to run
a routing protocol over it.  Marking the interface multicast capable
enables this.  (One must also use the wgconfig --allowed-ips option to
explicitly permit the group one needs, e.g. 224.0.0.5/32 for OSPF.)


To generate a diff of this commit:
cvs rdiff -u -r1.30 -r1.31 src/sys/net/if_wg.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/net/if_wg.c
diff -u src/sys/net/if_wg.c:1.30 src/sys/net/if_wg.c:1.31
--- src/sys/net/if_wg.c:1.30	Thu Aug 27 13:44:41 2020
+++ src/sys/net/if_wg.c	Thu Aug 27 19:21:14 2020
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_wg.c,v 1.30 2020/08/27 13:44:41 riastradh Exp $	*/
+/*	$NetBSD: if_wg.c,v 1.31 2020/08/27 19:21:14 tih Exp $	*/
 
 /*
  * Copyright (C) Ryota Ozaki <ozaki.ry...@gmail.com>
@@ -41,7 +41,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wg.c,v 1.30 2020/08/27 13:44:41 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wg.c,v 1.31 2020/08/27 19:21:14 tih Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -3381,7 +3381,7 @@ wg_if_attach(struct wg_softc *wg)
 
 	wg->wg_if.if_addrlen = 0;
 	wg->wg_if.if_mtu = WG_MTU;
-	wg->wg_if.if_flags = IFF_POINTOPOINT;
+	wg->wg_if.if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
 	wg->wg_if.if_extflags = IFEF_NO_LINK_STATE_CHANGE;
 	wg->wg_if.if_extflags |= IFEF_MPSAFE;
 	wg->wg_if.if_ioctl = wg_ioctl;

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