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mv643xx_eth: use sw csum for big packets

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Some controllers (KW, Dove) limits the TX IP/layer4 checksum offloading to a max size.

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Saeed Bishara
2010-06-27 00:26:43 +00:00
committed by David S. Miller
parent 08e554b17b
commit 9b2c2ff7a1
2 changed files with 12 additions and 2 deletions
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5
include/linux/mv643xx_eth.h
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@@ -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