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Allow toggling of IFCAP_VLAN_HWCSUM for hardware that supports checksum

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offloading on vlans and document the new option.

MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Bjoern A. Zeeb 2011-12-17 15:44:34 +00:00
parent 3b29d0033d
commit 9b776960c3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=228641
2 changed files with 5 additions and 3 deletions
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6
sbin/ifconfig/ifconfig.8
View File

@ -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 ,

2
sbin/ifconfig/ifvlan.c
View File

@ -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",