netdev - [PATCH net-next 2/2] net: doc: add default value for neighbour parameters

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Date:	Wed, 05 Dec 2012 12:50:35 +0800
From:	Shan Wei <shanwei88@...il.com>
To:	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	NetDev <netdev@...r.kernel.org>, Shan Wei <shanwei88@...il.com>
Subject: [PATCH net-next 2/2] net: doc: add default value for neighbour parameters

From: Shan Wei <davidshan@...cent.com>

Signed-off-by: Shan Wei <davidshan@...cent.com>
---
 Documentation/networking/ip-sysctl.txt |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index c6d5fee..0462a71 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -30,16 +30,24 @@ neigh/default/gc_thresh3 - INTEGER
 	Maximum number of neighbor entries allowed.  Increase this
 	when using large numbers of interfaces and when communicating
 	with large numbers of directly-connected peers.
+	Default: 1024
 
 neigh/default/unres_qlen_bytes - INTEGER
 	The maximum number of bytes which may be used by packets
 	queued for each	unresolved address by other network layers.
 	(added in linux 3.3)
+	Seting negative value is meaningless and will retrun error.
+	Default: 65536 Bytes(64KB)
 
 neigh/default/unres_qlen - INTEGER
 	The maximum number of packets which may be queued for each
 	unresolved address by other network layers.
 	(deprecated in linux 3.3) : use unres_qlen_bytes instead.
+	Prior to linux 3.3, the default value is 3 which may cause
+	secluded packet loss. The current default value is calculated
+	according to default value of unres_qlen_bytes and true size of
+	packet.
+	Default: 31
 
 mtu_expires - INTEGER
 	Time, in seconds, that cached PMTU information is kept.
-- 
1.7.1

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