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Date:      Sun, 4 Mar 2012 15:22:04 +0000 (UTC)
From:      Eitan Adler <eadler@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r232496 - head/share/man/man4
Message-ID:  <201203041522.q24FM4sB040519@svn.freebsd.org>

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Author: eadler
Date: Sun Mar  4 15:22:03 2012
New Revision: 232496
URL: http://svn.freebsd.org/changeset/base/232496

Log:
  PR:		docs/158813
  Submitted by:	Ben Kaduk <kaduk@mit.edu>
  Approved by:	bcr
  MFC after:	1 week

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

Modified: head/share/man/man4/jme.4
==============================================================================
--- head/share/man/man4/jme.4	Sun Mar  4 15:09:01 2012	(r232495)
+++ head/share/man/man4/jme.4	Sun Mar  4 15:22:03 2012	(r232496)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 29, 2011
+.Dd March 4, 2012
 .Dt JME 4
 .Os
 .Sh NAME
@@ -130,23 +130,26 @@ variables and
 tunables:
 .Bl -tag -width "xxxxxx"
 .It Va dev.jme.%d.tx_coal_to
-Maximum amount of time to delay for Tx completion interrupt in
-units of 1us.
-The accepted range is 1 to 65535, the default is 100 (100us).
+This variable sets the maximum amount of time to delay
+before sending a Tx completion interrupt, in microseconds.
+The accepted range is 1 to 65535; the default is 100 (100us).
 .It Va dev.jme.%d.tx_coal_pkt
-Maximum number of packets to fire Tx completion interrupt.
-The accepted range is 1 to 255, the default is 8.
+This variable sets the maximum number of outgoing packets which may be
+coalesced together into a single Tx completion interrupt.
+The accepted range is 1 to 255; the default is 8.
 .It Va dev.jme.%d.rx_coal_to
-Maximum amount of time to delay for Rx completion interrupt in
-units of 1us.
-The accepted range is 1 to 65535, the default is 100 (100us).
+This variable sets the maximum amount of time to wait for
+additional packets to arrive (for possible packet coalescing)
+before firing an Rx completion interrupt, in microseconds.
+The accepted range is 1 to 65535; the default is 100 (100us).
 .It Va dev.jme.%d.rx_coal_pkt
-Maximum number of packets to fire Rx completion interrupt.
-The accepted range is 1 to 255, the default is 2.
+This variable sets the maximum number of incoming packets which may be
+coalesced into a single Rx completion interrupt.
+The accepted range is 1 to 255; the default is 2.
 .It Va dev.jme.%d.process_limit
-Maximum amount of Rx events to be processed in the event loop before
-rescheduling a taskqueue.
-The accepted range is 10 to 255, the default value is 128 events.
+This variable sets the maximum number of events that will be processed
+in a single batch before the handler is requeued into a taskqueue.
+The accepted range is 10 to 255; the default value is 128 events.
 The interface does not need to be brought down and up again before
 a change takes effect.
 .El
@@ -173,22 +176,22 @@ driver tries to avoid unnecessary statio
 controllers that use eFuse to store station address.
 The number of times that eFuse can be safely reprogrammed is 16 at
 most.
-In addition, there is no way to restore factory default station
-address once station address is reprogrammed via eFuse.
-It is highly recommended not to reprogram station address and
-it is responsibility of administrator to store original station
-address into a safe place when station address should be changed.
+In addition, there is no way to restore the factory default station
+address once the station address has been reprogrammed via eFuse.
+It is highly recommended not to reprogram the station address and
+it is the responsibility of the administrator to store the original station
+address in a safe place when station address is changed.
 .Pp
 There are two known 1000baseT link establishment issues with JMC25x.
 If the full mask revision number of JMC25x controller is less than
-or equal to 4 and link partner enabled IEEE 802.3az Energy Efficient
-Ethernet feature,  the controller would not be able to establish a
+or equal to 4 and the link partner enabled the IEEE 802.3az Energy Efficient
+Ethernet feature,  the controller will not be able to establish a
 1000baseT link.
-Also if the length of cable is longer than 120 meters, controller
+Also, if the length of the cable is longer than 120 meters, the controller
 can not establish a 1000baseT link.
-The known workaround for the issue is to force manual link
+The known workaround for these issues is to force manual link
 configuration with 100baseTX instead of relying on auto-negotiation.
-The full mask revision number of controller could be checked with
+The full mask revision number of controller can be checked with the
 verbose kernel boot option.
-Use lower nibble of chip revision number to get full mask revision of
-the controller. 
+Use the lower nibble of the chip revision number to get the
+full mask revision of the controller.



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