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| author | Saeed Bishara <saeed@marvell.com> | 2010-06-27 00:26:43 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-30 13:01:11 -0700 |
| commit | 9b2c2ff7a1c04e69842254dd4afe0f8ad4efa439 (patch) | |
| tree | 705bd91dafd562a38d3833edb30297abf0516459 /include/linux/mv643xx_eth.h | |
| parent | 08e554b17bfdc2682599c8c2770b088a0187a405 (diff) | |
| download | lwn-9b2c2ff7a1c04e69842254dd4afe0f8ad4efa439.tar.gz lwn-9b2c2ff7a1c04e69842254dd4afe0f8ad4efa439.zip | |
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 <saeed@marvell.com>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/mv643xx_eth.h')
| -rw-r--r-- | include/linux/mv643xx_eth.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mv643xx_eth.h b/include/linux/mv643xx_eth.h index cbbbe9bfecad..30b0c4e78f91 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 |