[src/trunk]: src/sys/net nd: give missed a default of ND_LLINFO_NOSTATE

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

details:   https://anonhg.NetBSD.org/src/rev/6c0799add9d7
branches:  trunk
changeset: 976266:6c0799add9d7
user:      roy <roy%NetBSD.org@localhost>
date:      Tue Sep 15 23:40:03 2020 +0000

description:
nd: give missed a default of ND_LLINFO_NOSTATE

It's impossible to miss from this state, where-as 0 is ND_LLINFO_INCOMPLETE
which we can miss from.

diffstat:

 sys/net/nd.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 5f5c79e630d5 -r 6c0799add9d7 sys/net/nd.c
--- a/sys/net/nd.c      Tue Sep 15 23:34:16 2020 +0000
+++ b/sys/net/nd.c      Tue Sep 15 23:40:03 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nd.c,v 1.3 2020/09/15 10:05:36 roy Exp $       */
+/*     $NetBSD: nd.c,v 1.4 2020/09/15 23:40:03 roy Exp $       */
 
 /*
  * Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -28,7 +28,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nd.c,v 1.3 2020/09/15 10:05:36 roy Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nd.c,v 1.4 2020/09/15 23:40:03 roy Exp $");
 
 #include <sys/callout.h>
 #include <sys/mbuf.h>
@@ -57,7 +57,7 @@
        struct psref psref;
        struct mbuf *m = NULL;
        bool send_ns = false;
-       uint16_t missed = 0;
+       int16_t missed = ND_LLINFO_NOSTATE;
        union l3addr taddr, *daddrp = NULL;
 
        SOFTNET_KERNEL_LOCK_UNLESS_NET_MPSAFE();
@@ -203,7 +203,7 @@
                LLE_FREE_LOCKED(ln);
        SOFTNET_KERNEL_UNLOCK_UNLESS_NET_MPSAFE();
 
-       if (missed)
+       if (missed != ND_LLINFO_NOSTATE)
                nd->nd_missed(ifp, &taddr, missed, m);
        if (ifp != NULL)
                if_release(ifp, &psref);