[src/trunk]: src/sys/net loop: this interface's link state cannot be anything...

[roy <roy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6eb7d657d746
branches:  trunk
changeset: 1015115:6eb7d657d746
user:      roy <roy%NetBSD.org@localhost>
date:      Wed Oct 14 15:55:49 2020 +0000

description:
loop: this interface's link state cannot be anything other than UP

Let's not pretend it's UNKNOWN anymore.

diffstat:

 sys/net/if_loop.c |  11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diffs (47 lines):

diff -r 8fcb62ff0523 -r 6eb7d657d746 sys/net/if_loop.c
--- a/sys/net/if_loop.c Wed Oct 14 15:22:17 2020 +0000
+++ b/sys/net/if_loop.c Wed Oct 14 15:55:49 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_loop.c,v 1.110 2020/01/29 04:18:34 thorpej Exp $    */
+/*     $NetBSD: if_loop.c,v 1.111 2020/10/14 15:55:49 roy Exp $        */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -65,7 +65,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_loop.c,v 1.110 2020/01/29 04:18:34 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_loop.c,v 1.111 2020/10/14 15:55:49 roy Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -183,9 +183,8 @@
 
        ifp->if_mtu = LOMTU;
        ifp->if_flags = IFF_LOOPBACK | IFF_MULTICAST;
-       ifp->if_extflags = IFEF_NO_LINK_STATE_CHANGE;
 #ifdef NET_MPSAFE
-       ifp->if_extflags |= IFEF_MPSAFE;
+       ifp->if_extflags = IFEF_MPSAFE;
 #endif
        ifp->if_ioctl = loioctl;
        ifp->if_output = looutput;
@@ -199,7 +198,7 @@
        IFQ_SET_READY(&ifp->if_snd);
        if (unit == 0)
                lo0ifp = ifp;
-       rv = if_attach(ifp);
+       rv = if_initialize(ifp);
        if (rv != 0) {
                if_free(ifp);
                return rv;
@@ -215,6 +214,8 @@
 #endif
 
        ifp->if_flags |= IFF_RUNNING;
+       ifp->if_link_state = LINK_STATE_UP;
+       if_register(ifp);
 
        return (0);
 }