[dpdk-dev] [PATCH v2] net/igc: fix Rx packet size error

[Wang, Haiyue]

> -----Original Message-----
> From: Zhang, AlvinX <alvinx.zhang at intel.com>
> Sent: Tuesday, April 20, 2021 10:05
> To: Wang, Haiyue <haiyue.wang at intel.com>; Guo, Jia <jia.guo at intel.com>
> Cc: dev at dpdk.org; Zhang, AlvinX <alvinx.zhang at intel.com>; stable at dpdk.org
> Subject: [PATCH v2] net/igc: fix Rx packet size error
> 
> When DEV_RX_OFFLOAD_KEEP_CRC is enabled, the PMD will minus 4 bytes
> of CRC from the size of a packet, but the NIC will strip the CRC
> because the CRC strip bit in DVMOLR register is not cleared. This
> will cause the size of a packet to be 4 bytes less.
> 
> This patch updates the CRC strip bit according to whether
> DEV_RX_OFFLOAD_KEEP_CRC is enabled.
> 
> Fixes: a5aeb2b9e225 ("net/igc: support Rx and Tx")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Alvin Zhang <alvinx.zhang at intel.com>
> ---
> 
> v2: Refine the codes.
> ---
>  drivers/net/igc/igc_txrx.c | 30 ++++++++++++++++--------------
>  1 file changed, 16 insertions(+), 14 deletions(-)
> 

Acked-by: Haiyue Wang <haiyue.wang at intel.com>

> --
> 1.8.3.1