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| author | Chris Leech <christopher.leech@intel.com> | 2006-05-23 18:02:55 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-06-17 21:25:54 -0700 |
| commit | 9593782585e0cf70babe787a8463d492a68b1744 (patch) | |
| tree | 149401a3973036452a07bed899e70d3b92abe1bf /net/core | |
| parent | 624d1164730d58a494cc5aa4afa37d02c41e83a7 (diff) | |
| download | blackbird-op-linux-9593782585e0cf70babe787a8463d492a68b1744.tar.gz blackbird-op-linux-9593782585e0cf70babe787a8463d492a68b1744.zip | |
[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>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/user_dma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/user_dma.c b/net/core/user_dma.c index 9eee91bcbf3f..b7c98dbcdb81 100644 --- a/net/core/user_dma.c +++ b/net/core/user_dma.c @@ -30,6 +30,10 @@ #include <linux/rtnetlink.h> /* for BUG_TRAP */ #include <net/tcp.h> +#define NET_DMA_DEFAULT_COPYBREAK 4096 + +int sysctl_tcp_dma_copybreak = NET_DMA_DEFAULT_COPYBREAK; + /** * dma_skb_copy_datagram_iovec - Copy a datagram to an iovec. * @skb - buffer to copy |
