[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>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 76eaeff76f8..cd9e7c0825a 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -403,6 +403,7 @@ enum
         NET_TCP_MTU_PROBING=113,
         NET_TCP_BASE_MSS=114,
         NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS=115,
+        NET_TCP_DMA_COPYBREAK=116,
 };
 
 enum {