[dpdk-dev] [PATCH] ixgbe: remove useless fields in tx_offload on TCP checksum request

[Lu, Wenzhuo]

Hi,

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of David Marchand
> Sent: Thursday, October 29, 2015 4:48 PM
> To: dev at dpdk.org
> Subject: [dpdk-dev] [PATCH] ixgbe: remove useless fields in tx_offload on TCP
> checksum request
> 
> From: Didier Pallard <didier.pallard at 6wind.com>
> 
> According to Table 7-38: Valid Fields by Offload Option of Intel ® 82599 10
> GbE Controller Datasheet, L4LEN field is not needed for L4 XSUM
> computation by the hardware.
> So remove l4_len from tx_offload_mask in ixgbe_set_xmit_ctx function used
> to build the context transmitted to the hardware.
> 
> Signed-off-by: Didier Pallard <didier.pallard at 6wind.com>
> Signed-off-by: David Marchand <david.marchand at 6wind.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu at intel.com>