[PATCH v2 7/9] baseband/acc: add support for 4GUL CRC drop in VRB PMD

[Nicolas Chautru]

Adding support for the capability to drop the CRC24B
when using the turbo-decoder.

Signed-off-by: Nicolas Chautru <nicolas.chau...@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
---
 drivers/baseband/acc/rte_vrb_pmd.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/baseband/acc/rte_vrb_pmd.c 
b/drivers/baseband/acc/rte_vrb_pmd.c
index 82dbfcaa53..5d385ce1a5 100644
--- a/drivers/baseband/acc/rte_vrb_pmd.c
+++ b/drivers/baseband/acc/rte_vrb_pmd.c
@@ -996,6 +996,7 @@ vrb_dev_info_get(struct rte_bbdev *dev, struct 
rte_bbdev_driver_info *dev_info)
                                .capability_flags =
                                        RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE |
                                        RTE_BBDEV_TURBO_CRC_TYPE_24B |
+                                       RTE_BBDEV_TURBO_DEC_CRC_24B_DROP |
                                        RTE_BBDEV_TURBO_EQUALIZER |
                                        RTE_BBDEV_TURBO_SOFT_OUT_SATURATE |
                                        RTE_BBDEV_TURBO_HALF_ITERATION_EVEN |
@@ -1407,8 +1408,12 @@ vrb_dma_desc_td_fill(struct rte_bbdev_dec_op *op,
        }
 
        if ((op->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK)
-               && !check_bit(op->turbo_dec.op_flags,
-               RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP))
+                       && !check_bit(op->turbo_dec.op_flags,
+                       RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP))
+               crc24_overlap = 24;
+       if ((op->turbo_dec.code_block_mode == RTE_BBDEV_CODE_BLOCK)
+                       && check_bit(op->turbo_dec.op_flags,
+                       RTE_BBDEV_TURBO_DEC_CRC_24B_DROP))
                crc24_overlap = 24;
 
        /* Calculates circular buffer size.
-- 
2.34.1