svn commit: r228641 - head/sbin/ifconfig

[Bjoern A. Zeeb]

Author: bz
Date: Sat Dec 17 15:44:34 2011
New Revision: 228641
URL: http://svn.freebsd.org/changeset/base/228641

Log:
  Allow toggling of IFCAP_VLAN_HWCSUM for hardware that supports checksum
  offloading on vlans and document the new option.
  
  MFC after:	2 weeks
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sbin/ifconfig/ifconfig.8
  head/sbin/ifconfig/ifvlan.c

Modified: head/sbin/ifconfig/ifconfig.8
==============================================================================
--- head/sbin/ifconfig/ifconfig.8	Sat Dec 17 15:42:37 2011	(r228640)
+++ head/sbin/ifconfig/ifconfig.8	Sat Dec 17 15:44:34 2011	(r228641)
@@ -28,7 +28,7 @@
 .\"     From: @(#)ifconfig.8	8.3 (Berkeley) 1/5/94
 .\" $FreeBSD$
 .\"
-.Dd December 16, 2011
+.Dd December 17, 2011
 .Dt IFCONFIG 8
 .Os
 .Sh NAME
@@ -423,10 +423,10 @@ they support in their capabilities.
 is a synonym for enabling all available WOL mechanisms.
 To disable WOL use
 .Fl wol .
-.It Cm vlanmtu , vlanhwtag, vlanhwfilter, vlanhwtso
+.It Cm vlanmtu , vlanhwtag, vlanhwfilter, vlanhwcsum, vlanhwtso
 If the driver offers user-configurable VLAN support, enable
 reception of extended frames, tag processing in hardware,
-frame filtering in hardware, or TSO on VLAN,
+frame filtering in hardware, checksum offloading, or TSO on VLAN,
 respectively.
 Note that this must be issued on a physical interface associated with
 .Xr vlan 4 ,

Modified: head/sbin/ifconfig/ifvlan.c
==============================================================================
--- head/sbin/ifconfig/ifvlan.c	Sat Dec 17 15:42:37 2011	(r228640)
+++ head/sbin/ifconfig/ifvlan.c	Sat Dec 17 15:44:34 2011	(r228641)
@@ -183,6 +183,8 @@ static struct cmd vlan_cmds[] = {
 	DEF_CMD("-vlanhwfilter", -IFCAP_VLAN_HWFILTER,	setifcap),
 	DEF_CMD("-vlanhwtso",	-IFCAP_VLAN_HWTSO,	setifcap),
 	DEF_CMD("vlanhwtso",	IFCAP_VLAN_HWTSO,	setifcap),
+	DEF_CMD("vlanhwcsum",	IFCAP_VLAN_HWCSUM,	setifcap),
+	DEF_CMD("-vlanhwcsum",	-IFCAP_VLAN_HWCSUM,	setifcap),
 };
 static struct afswtch af_vlan = {
 	.af_name	= "af_vlan",