svn commit: r212272 - head/share/man/man4
Weongyo Jeong
weongyo at FreeBSD.org
Mon Sep 6 22:23:36 UTC 2010
Author: weongyo
Date: Mon Sep 6 22:23:35 2010
New Revision: 212272
URL: http://svn.freebsd.org/changeset/base/212272
Log:
Adds LOADER TUNABLES section to mention knobs which could be controlled
by loader(8) interface.
Modified:
head/share/man/man4/bwn.4
Modified: head/share/man/man4/bwn.4
==============================================================================
--- head/share/man/man4/bwn.4 Mon Sep 6 22:10:57 2010 (r212271)
+++ head/share/man/man4/bwn.4 Mon Sep 6 22:23:35 2010 (r212272)
@@ -110,6 +110,20 @@ Join a specific BSS network with 64-bit
ifconfig wlan create wlandev bwn0 ssid my_net \e
wepmode on wepkey 0x1234567890 weptxkey 1 up
.Ed
+.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 indent
+.It Va hw.bwn.msi_disable
+This tunable disables MSI support on the hardware.
+The default value is 0.
+.It Va hw.bwn.usedma
+This tunable enables DMA operations on the hardware.
+If the value is 0, PIO mode would be used.
+The default value is 1.
+.El
.Sh SEE ALSO
.Xr arp 4 ,
.Xr bwi 4 ,
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