netdev - [PATCH v3] bonding: document two undocumented options.

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Message-Id: <1312650399-5165-1-git-send-email-nicolas.2p.debian@free.fr>
Date:	Sat,  6 Aug 2011 19:06:39 +0200
From:	Nicolas de Pesloüan 
	<nicolas.2p.debian@...e.fr>
To:	fubar@...ibm.com, andy@...yhouse.net
Cc:	netdev@...r.kernel.org,
	Nicolas de Pesloüan 
	<nicolas.2p.debian@...e.fr>
Subject: [PATCH v3] bonding: document two undocumented options.

Commit 655f8919d549ad1872e24d826b6ce42530516d2e
    bonding: add min links parameter to 802.3ad

and commit ebd8e4977a87cb81d93c62a9bff0102a9713722f
    bonding: add all_slaves_active parameter

introduced new options to bonding, but didn't provide the documentation
for those options.

V2: add the default value for both options.
V3: document the exact behavior of min_links default value.

Signed-off-by: Nicolas de Pesloüan <nicolas.2p.debian@...e.fr>
---
 Documentation/networking/bonding.txt |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index 675612f..dc4ea85 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -238,6 +238,18 @@ ad_select
 
 	This option was added in bonding version 3.4.0.
 
+all_slaves_active
+
+	Specifies that duplicate frames (received on inactive ports) should be
+	dropped (0) or delivered (1). 
+
+	Normally, bonding will drop duplicate frames (received on inactive
+	ports), which is desirable for most users. But there are some times
+	it is nice to allow duplicate frames to be delivered.
+
+	The default value is 0 (drop duplicate frames received on inactive
+	ports).
+
 arp_interval
 
 	Specifies the ARP link monitoring frequency in milliseconds.
@@ -433,6 +445,23 @@ miimon
 	determined.  See the High Availability section for additional
 	information.  The default value is 0.
 
+min_links
+
+	Specifies the minimum number of links that must be active before
+	asserting carrier. It is similar to the Cisco EtherChannel min-links
+	feature. This allows setting the minimum number of member ports that
+	must be up (link-up state) before marking the bond device as up
+	(carrier on). This is useful for situations where higher level services
+	such as clustering want to ensure a minimum number of low bandwidth
+	links are active before switchover. This option only affect 802.3ad
+	mode. 
+
+	The default value is 0. This will cause carrier to be asserted (for
+	802.3ad mode) whenever there is an active aggregator, regardless of the
+	number of available links in that aggregator. Note that, because an
+	aggregator cannot be active without at least one available link,
+	setting this option to 0 or to 1 has the exact same effect.
+
 mode
 
 	Specifies one of the bonding policies. The default is
-- 
1.7.5.4

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