From 9593782585e0cf70babe787a8463d492a68b1744 Mon Sep 17 00:00:00 2001
From: Chris Leech <christopher.leech@intel.com>
Date: Tue, 23 May 2006 18:02:55 -0700
Subject: [I/OAT]: Add a sysctl for tuning the I/OAT offloaded I/O threshold

Any socket recv of less than this ammount will not be offloaded

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/sysctl_net_ipv4.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'net/ipv4/sysctl_net_ipv4.c')

diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 6b6c3adfcf0..6a6aa537b7a 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -688,6 +688,16 @@ ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec
 	},
+#ifdef CONFIG_NET_DMA
+	{
+		.ctl_name	= NET_TCP_DMA_COPYBREAK,
+		.procname	= "tcp_dma_copybreak",
+		.data		= &sysctl_tcp_dma_copybreak,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec
+	},
+#endif
 	{ .ctl_name = 0 }
 };
 
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