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From: Andriy Voskoboinyk <avos@FreeBSD.org>
Date: Sat, 10 Dec 2016 19:14:51 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r309826 - head/share/man/man4
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Author: avos
Date: Sat Dec 10 19:14:51 2016
New Revision: 309826
URL: https://svnweb.freebsd.org/changeset/base/309826

Log:
  rsu(4): refresh the manpage.
  
  - Add monitor mode into the list of supported modes.
  - Describe promiscuous mode limitations in CAVEATS section.
  
  Reported by:	adrian

Modified:
  head/share/man/man4/rsu.4

Modified: head/share/man/man4/rsu.4
==============================================================================
--- head/share/man/man4/rsu.4	Sat Dec 10 18:47:13 2016	(r309825)
+++ head/share/man/man4/rsu.4	Sat Dec 10 19:14:51 2016	(r309826)
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd December 5, 2016
+.Dd December 10, 2016
 .Dt RSU 4
 .Os
 .Sh NAME
@@ -78,6 +78,12 @@ Also known as
 mode, this is used when associating with an access point, through
 which all traffic passes.
 This mode is the default.
+.It monitor mode
+In this mode the driver is able to receive packets without
+associating with an access point.
+This disables the internal receive filter and enables the card to
+capture packets from networks which it wouldn't normally have access to,
+or to scan for access points.
 .El
 .Pp
 The
@@ -183,3 +189,9 @@ The
 .Nm
 driver currently does not support 802.11n transmit aggregation,
 either A-MSDU or A-MPDU.
+.Pp
+The
+.Nm
+driver does not capture management frames in non-monitor modes;
+without this limitation some firmware functions (e.g., 'join bss')
+will not work properly.