[dpdk-stable] [PATCH v1] baseband/acc100: fix 4GUL outbound size when CRC is dropped

[Tom Rix]

On 9/7/21 6:39 PM, Nicolas Chautru wrote:
> This patch fixes the issue by adjusting the outbound size after
> turbodecoding when the appended CRC is meant to be dropped.
>
> Fixes: f404dfe35cc3 ("baseband/acc100: support 4G processing")
> Cc: stable at dpdk.org
>
> Signed-off-by: Nicolas Chautru <nicolas.chautru at intel.com>
> ---
>   drivers/baseband/acc100/rte_acc100_pmd.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c
> index 68ba523..b0485e7 100644
> --- a/drivers/baseband/acc100/rte_acc100_pmd.c
> +++ b/drivers/baseband/acc100/rte_acc100_pmd.c
> @@ -1744,7 +1744,8 @@
>   
>   	next_triplet = acc100_dma_fill_blk_type_out(
>   			desc, h_output, *h_out_offset,
> -			k >> 3, next_triplet, ACC100_DMA_BLKID_OUT_HARD);
> +			(k - crc24_overlap) >> 3, next_triplet,
> +			ACC100_DMA_BLKID_OUT_HARD);
>   	if (unlikely(next_triplet < 0)) {
>   		rte_bbdev_log(ERR,
>   				"Mismatch between data to process and mbuf data length in bbdev_op: %p",

Thanks for this change, looks good.

Reviewed-by: Tom Rix <trix at redhat.com>