From 72d0b7a81d60f5e64ee7197bc190b9b3265f99dd Mon Sep 17 00:00:00 2001
From: Chris Leech <christopher.leech@intel.com>
Date: Thu, 8 Mar 2007 09:57:35 -0800
Subject: I/OAT: Add documentation for the tcp_dma_copybreak sysctl

Signed-off-by: Chris Leech <christopher.leech@intel.com>
---
 Documentation/networking/ip-sysctl.txt | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Documentation')

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index af6a63ab9026..8f6067ea5e3e 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -433,6 +433,12 @@ tcp_workaround_signed_windows - BOOLEAN
 	not receive a window scaling option from them.
 	Default: 0
 
+tcp_dma_copybreak - INTEGER
+	Lower limit, in bytes, of the size of socket reads that will be
+	offloaded to a DMA copy engine, if one is present in the system
+	and CONFIG_NET_DMA is enabled.
+	Default: 4096
+
 CIPSOv4 Variables:
 
 cipso_cache_enable - BOOLEAN
-- 
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