ifconfig -vlan-hwtagging

[Masanobu SAITOH <msaitoh%execsw.org@localhost>]

 Hi.

 Is the following changes OK to commit?
This changes make VLAN ID visible with tcpdump -e.

Index: ether.c
===================================================================
RCS file: /cvsroot/src/sbin/ifconfig/ether.c,v
retrieving revision 1.3
diff -u -p -r1.3 ether.c
--- ether.c     21 Dec 2018 08:58:08 -0000      1.3
+++ ether.c     5 Jul 2019 09:34:46 -0000
@@ -67,6 +67,7 @@ static const struct kwinst ethercapskw[]
 #if 0 /* notyet */
          IFKW("vlan-hwfilter", ETHERCAP_VLAN_HWFILTER)
 #endif
+         IFKW("vlan-hwtagging", ETHERCAP_VLAN_HWTAGGING),
          IFKW("eee",           ETHERCAP_EEE)
 };

Index: ifconfig.8
===================================================================
RCS file: /cvsroot/src/sbin/ifconfig/ifconfig.8,v
retrieving revision 1.118
diff -u -p -r1.118 ifconfig.8
--- ifconfig.8  4 Jul 2019 13:55:31 -0000       1.118
+++ ifconfig.8  5 Jul 2019 09:46:12 -0000
@@ -699,6 +699,12 @@ support it.
 .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

-- 
-----------------------------------------------
                SAITOH Masanobu (msaitoh%execsw.org@localhost
                                 msaitoh%netbsd.org@localhost)