svn commit: r286182 - stable/10/share/man/man4

[Edward Tomasz Napierala]

Author: trasz
Date: Sun Aug  2 09:14:52 2015
New Revision: 286182
URL: https://svnweb.freebsd.org/changeset/base/286182

Log:
  MFC r283286:
  
  Start documenting ctl(4) sysctls.
  
  Differential Revision:	The FreeBSD Foundation

Modified:
  stable/10/share/man/man4/ctl.4
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/share/man/man4/ctl.4
==============================================================================
--- stable/10/share/man/man4/ctl.4	Sun Aug  2 07:25:05 2015	(r286181)
+++ stable/10/share/man/man4/ctl.4	Sun Aug  2 09:14:52 2015	(r286182)
@@ -23,7 +23,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
-.Dd April 8, 2015
+.Dd May 22, 2015
 .Dt CTL 4
 .Os
 .Sh NAME
@@ -84,6 +84,22 @@ All I/O handled in-kernel, no userland c
 .El
 .Pp
 It also serves as a kernel component of the native iSCSI target.
+.Sh SYSCTL VARIABLES
+The following variables are available as both
+.Xr sysctl 8
+variables and
+.Xr loader 8
+tunables:
+.Bl -tag -width indent
+.It Va kern.cam.ctl.iscsi.maxcmdsn_delta
+The number of outstanding commands to advertise to the initiator.
+Technically, it's the difference between ExpCmdSN and MaxCmdSN fields
+in the iSCSI PDU.
+.It Va kern.cam.ctl.iscsi.ping_timeout
+The number of seconds to wait for the initiator to respond to a NOP-In
+PDU.
+In the event that there is no response within that time the session gets
+forcibly terminated.
 .Sh SEE ALSO
 .Xr ctladm 8 ,
 .Xr ctld 8 ,