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Document the hw.skc.jumbo_disable tunable. While here, correct some things

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in the SYSCTLS section.

Submitted by:	yongari
This commit is contained in:
brueffer 2008-02-14 10:01:48 +00:00
parent dba8069abd
commit 73c193c7ba
1 changed files with 15 additions and 4 deletions
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share/man/man4/sk.4
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@ -30,7 +30,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd July 16, 2005
.Dd February 14, 2008
.Dt SK 4
.Os
.Sh NAME
@ -191,17 +191,28 @@ SK-9844 SK-NET GE-SX dual port, multimode fiber adapter
.It
SMC 9452TX single port, 1000baseT adapter
.El
.Sh LOADER TUNABLES
Tunables can be set at the
.Xr loader 8
prompt before booting the kernel or stored in
.Xr loader.conf 5 .
.Bl -tag -width xxxxxx
.It Va hw.skc.jumbo_disable
Disable jumbo frame support.
Systems with less memory can set it to a non-zero value to save memory.
The default value is 0.
.El
.Sh SYSCTL VARIABLES
The following variable is available as both
.Xr sysctl 8
variable and
.Xr loader 8
tunable:
.Bl -tag -width indent
.Bl -tag -width xxxxxx
.It Va dev.skc.%d.int_mod
.Pp
This variable controls interrupt moderation.
The accepted range is 10 to 10000, default value is 100 microseconds.
The accepted range is 10 to 10000.
The default value is 100 microseconds.
The interface has to be brought down and up again before a change takes effect.
.El
.Sh DIAGNOSTICS