[src/trunk]: src/sbin/ifconfig Add "ifconfig [-]vlan-hwtagging" to enable/dis...

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

details:   https://anonhg.NetBSD.org/src/rev/a9de01a7c43a
branches:  trunk
changeset: 457619:a9de01a7c43a
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Mon Jul 08 03:04:15 2019 +0000

description:
Add "ifconfig [-]vlan-hwtagging" to enable/disable VLAN hardware tagging
offload function. It's useful to see Ethernet frame's VLAN tag by
disabling with "ifconfig fooX -vlan-hwtagging" and "tcpdump -e -i fooX".

diffstat:

 sbin/ifconfig/ether.c    |   5 +++--
 sbin/ifconfig/ifconfig.8 |  10 ++++++++--
 2 files changed, 11 insertions(+), 4 deletions(-)

diffs (57 lines):

diff -r 72c209617a91 -r a9de01a7c43a sbin/ifconfig/ether.c
--- a/sbin/ifconfig/ether.c     Sun Jul 07 21:24:20 2019 +0000
+++ b/sbin/ifconfig/ether.c     Mon Jul 08 03:04:15 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ether.c,v 1.3 2018/12/21 08:58:08 msaitoh Exp $        */
+/*     $NetBSD: ether.c,v 1.4 2019/07/08 03:04:15 msaitoh Exp $        */
 
 /*
  * Copyright (c) 1983, 1993
@@ -31,7 +31,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: ether.c,v 1.3 2018/12/21 08:58:08 msaitoh Exp $");
+__RCSID("$NetBSD: ether.c,v 1.4 2019/07/08 03:04:15 msaitoh Exp $");
 #endif /* not lint */
 
 #include <sys/param.h> 
@@ -67,6 +67,7 @@
 #if 0 /* notyet */
          IFKW("vlan-hwfilter", ETHERCAP_VLAN_HWFILTER)
 #endif
+         IFKW("vlan-hwtagging", ETHERCAP_VLAN_HWTAGGING),
          IFKW("eee",           ETHERCAP_EEE)
 };
 
diff -r 72c209617a91 -r a9de01a7c43a sbin/ifconfig/ifconfig.8
--- a/sbin/ifconfig/ifconfig.8  Sun Jul 07 21:24:20 2019 +0000
+++ b/sbin/ifconfig/ifconfig.8  Mon Jul 08 03:04:15 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: ifconfig.8,v 1.118 2019/07/04 13:55:31 wiz Exp $
+.\"    $NetBSD: ifconfig.8,v 1.119 2019/07/08 03:04:15 msaitoh Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)ifconfig.8 8.4 (Berkeley) 6/1/94
 .\"
-.Dd June 18, 2019
+.Dd July 8, 2019
 .Dt IFCONFIG 8
 .Os
 .Sh NAME
@@ -699,6 +699,12 @@
 .It Cm -tso6
 Disable hardware-assisted TCP/IPv6 segmentation on interfaces that
 support it.
+.It Cm vlan-hwtagging
+Enable hardware-assisted VLAN tag insertion/removal on interfaces that
+support it.
+.It Cm -vlan-hwtagging
+Disable hardware-assisted VLAN tag insertion/removal on interfaces that
+support it.
 .It Cm maxupd Ar n
 If the driver is a
 .Xr pfsync 4