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Code Issues Releases Activity

Document net.link.tap.up_on_open.

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PR:		110383
Submitted by:	Frank Behrens
MFC after:	2 weeks
This commit is contained in:
Bruce M Simpson 2007-03-19 18:27:00 +00:00
parent 6baa7420ed
commit c53fb74f0e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=167714
1 changed files with 8 additions and 1 deletions
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9
share/man/man4/tap.4
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@ -1,7 +1,7 @@
.\" $FreeBSD$ .\" $FreeBSD$
.\" Based on PR#2411 .\" Based on PR#2411
.\" .\"
.Dd February 4, 2007 .Dd March 19, 2007
.Os .Os
.Dt TAP 4 .Dt TAP 4
.Sh NAME .Sh NAME
@ -117,6 +117,13 @@ and is restricted to the super-user, unless the
variable variable
.Va net.link.tap.user_open .Va net.link.tap.user_open
is non-zero. is non-zero.
If the
.Xr sysctl 8
variable
.Va net.link.tap.up_on_open
is non-zero, the tunnel device will be marked
.Dq up
when the control device is opened.
A A
.Fn read .Fn read
call will return an error call will return an error