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[src/trunk]: src/sys/net gif: Set the link state UP if we have a tunnel, othe...



details:   https://anonhg.NetBSD.org/src/rev/ad504a16a51b
branches:  trunk
changeset: 955855:ad504a16a51b
user:      roy <roy%NetBSD.org@localhost>
date:      Wed Oct 14 15:22:17 2020 +0000

description:
gif: Set the link state UP if we have a tunnel, otherwise DOWN.

diffstat:

 sys/net/if_gif.c |  11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diffs (59 lines):

diff -r 7d6b1c61463a -r ad504a16a51b sys/net/if_gif.c
--- a/sys/net/if_gif.c  Wed Oct 14 15:09:10 2020 +0000
+++ b/sys/net/if_gif.c  Wed Oct 14 15:22:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_gif.c,v 1.153 2020/03/30 11:57:50 christos Exp $    */
+/*     $NetBSD: if_gif.c,v 1.154 2020/10/14 15:22:17 roy Exp $ */
 /*     $KAME: if_gif.c,v 1.76 2001/08/20 02:01:02 kjc Exp $    */
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_gif.c,v 1.153 2020/03/30 11:57:50 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_gif.c,v 1.154 2020/10/14 15:22:17 roy Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -384,7 +384,6 @@
        sc->gif_if.if_addrlen = 0;
        sc->gif_if.if_mtu    = GIF_MTU;
        sc->gif_if.if_flags  = IFF_POINTOPOINT | IFF_MULTICAST;
-       sc->gif_if.if_extflags  = IFEF_NO_LINK_STATE_CHANGE;
 #ifdef GIF_MPSAFE
        sc->gif_if.if_extflags  |= IFEF_MPSAFE;
 #endif
@@ -400,6 +399,7 @@
        if (rv != 0)
                return rv;
 
+       sc->gif_if.if_link_state = LINK_STATE_DOWN;
        if_alloc_sadl(&sc->gif_if);
        bpf_attach(&sc->gif_if, DLT_NULL, sizeof(u_int));
        if_register(&sc->gif_if);
@@ -848,19 +848,24 @@
                        /* checks done in the above */
                        break;
                }
+
                /*
                 * calls gif_getref_variant() for other softcs to check
                 * address pair duplicattion
                 */
                bound = curlwp_bind();
                error = gif_set_tunnel(&sc->gif_if, src, dst);
+               if (error == 0)
+                       if_link_state_change(&sc->gif_if, LINK_STATE_UP);
                curlwp_bindx(bound);
+
                break;
 
 #ifdef SIOCDIFPHYADDR
        case SIOCDIFPHYADDR:
                bound = curlwp_bind();
                gif_delete_tunnel(&sc->gif_if);
+               if_link_state_change(&sc->gif_if, LINK_STATE_DOWN);
                curlwp_bindx(bound);
                break;
 #endif



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