From 9b2c2ff7a1c04e69842254dd4afe0f8ad4efa439 Mon Sep 17 00:00:00 2001 From: Saeed Bishara Date: Sun, 27 Jun 2010 00:26:43 +0000 Subject: mv643xx_eth: use sw csum for big packets Some controllers (KW, Dove) limits the TX IP/layer4 checksum offloading to a max size. Signed-off-by: Saeed Bishara Acked-by: Lennert Buytenhek Signed-off-by: David S. Miller --- include/linux/mv643xx_eth.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/linux/mv643xx_eth.h') diff --git a/include/linux/mv643xx_eth.h b/include/linux/mv643xx_eth.h index cbbbe9bfeca..30b0c4e78f9 100644 --- a/include/linux/mv643xx_eth.h +++ b/include/linux/mv643xx_eth.h @@ -19,6 +19,11 @@ struct mv643xx_eth_shared_platform_data { struct mbus_dram_target_info *dram; struct platform_device *shared_smi; unsigned int t_clk; + /* + * Max packet size for Tx IP/Layer 4 checksum, when set to 0, default + * limit of 9KiB will be used. + */ + int tx_csum_limit; }; #define MV643XX_ETH_PHY_ADDR_DEFAULT 0 -- cgit v1.2.3