[src/trunk]: src/sys/net frame's vlan tag must be ntohs()'ed.

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

details:   https://anonhg.NetBSD.org/src/rev/5eb37a380fcc
branches:  trunk
changeset: 1024480:5eb37a380fcc
user:      ryo <ryo%NetBSD.org@localhost>
date:      Mon Oct 25 17:05:43 2021 +0000

description:
frame's vlan tag must be ntohs()'ed.
VLAN 0 Priority tag was misrecognized on non vlan-hwtagging interfaces.

diffstat:

 sys/net/if_ethersubr.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 3a5513ed484a -r 5eb37a380fcc sys/net/if_ethersubr.c
--- a/sys/net/if_ethersubr.c    Mon Oct 25 07:54:44 2021 +0000
+++ b/sys/net/if_ethersubr.c    Mon Oct 25 17:05:43 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_ethersubr.c,v 1.301 2021/10/11 05:13:11 knakahara Exp $     */
+/*     $NetBSD: if_ethersubr.c,v 1.302 2021/10/25 17:05:43 ryo Exp $   */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.301 2021/10/11 05:13:11 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.302 2021/10/25 17:05:43 ryo Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -811,7 +811,7 @@
                 * type, and if IP or IPV6, let them deal with it.
                 */
                if (m->m_len >= sizeof(*evl) &&
-                   EVL_VLANOFTAG(evl->evl_tag) == 0) {
+                   EVL_VLANOFTAG(ntohs(evl->evl_tag)) == 0) {
                        etype = ntohs(evl->evl_proto);
                        ehlen = sizeof(*evl);
                        if ((m->m_flags & M_PROMISC) == 0 &&