svn commit: r193621 - stable/7/share/man/man4

[Pyun YongHyeon]

Author: yongari
Date: Sun Jun  7 06:27:33 2009
New Revision: 193621
URL: http://svn.freebsd.org/changeset/base/193621

Log:
  MFC r192512-192514:
  r192512:
    Document sysctl variable dev.nge.%d.int_holdoff.
  
  r192513:
    DP83821 also supports jumbo frames.
  
  r192514:
    nge(4) supports altq(4). Xr altq

Modified:
  stable/7/share/man/man4/   (props changed)
  stable/7/share/man/man4/igb.4   (props changed)
  stable/7/share/man/man4/nge.4

Modified: stable/7/share/man/man4/nge.4
==============================================================================
--- stable/7/share/man/man4/nge.4	Sun Jun  7 06:23:24 2009	(r193620)
+++ stable/7/share/man/man4/nge.4	Sun Jun  7 06:27:33 2009	(r193621)
@@ -31,7 +31,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 23, 2009
+.Dd May 21, 2009
 .Dt NGE 4
 .Os
 .Sh NAME
@@ -69,8 +69,8 @@ Most cards also use the DP83861 10/100/1
 chip, which supports autonegotiation of 10, 100 and 1000Mbps modes in
 full or half duplex.
 .Pp
-The DP83820 also supports jumbo frames, which can be configured
-via the interface MTU setting.
+The DP83820 and DP83821 also support jumbo frames, which can be
+configured via the interface MTU setting.
 Selecting an MTU larger than 1500 bytes with the
 .Xr ifconfig 8
 utility configures the adapter to receive and transmit jumbo frames.
@@ -182,6 +182,21 @@ Surecom Technology EP-320G-TX
 .It
 Trendware TEG-PCITX (32-bit PCI) and TEG-PCITX2 (64-bit PCI)
 .El
+.Sh SYSCTL VARIABLES
+The following variables are available as both
+.Xr sysctl 8
+variables and
+.Xr loader 8
+tunables:
+.Bl -tag -width "xxxxxx"
+.It Va dev.nge.%d.int_holdoff
+Maximum amount of time to delay interrupt processing in units of
+100us.
+The accepted range is 0 to 255, the default is 1(100us).
+Value 0 completely disables the interrupt moderation.
+The interface has to be brought down and up again before a change
+takes effect.
+.El
 .Sh DIAGNOSTICS
 .Bl -diag
 .It "nge%d: couldn't map memory"
@@ -205,6 +220,7 @@ The device has stopped responding to the
 the network connection (cable).
 .El
 .Sh SEE ALSO
+.Xr altq 4 ,
 .Xr arp 4 ,
 .Xr miibus 4 ,
 .Xr netintro 4 ,