bbdev: add capability for 4G CB CRC drop

Adding option to drop CRC24B to align with existing
feature for 5G

Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
Reviewed-by: Tom Rix <trix@redhat.com>

diff --git a/app/test-bbdev/test_bbdev_vector.c b/app/test-bbdev/test_bbdev_vector.c
index 8d796b1..f020836 100644 (file)
--- a/app/test-bbdev/test_bbdev_vector.c
+++ b/app/test-bbdev/test_bbdev_vector.c
@@ -149,6 +149,8 @@ op_decoder_flag_strtoul(char *token, uint32_t *op_flag_value)
                *op_flag_value = RTE_BBDEV_TURBO_DEC_SCATTER_GATHER;
        else if (!strcmp(token, "RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP"))
                *op_flag_value = RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP;
+       else if (!strcmp(token, "RTE_BBDEV_TURBO_DEC_CRC_24B_DROP"))
+               *op_flag_value = RTE_BBDEV_TURBO_DEC_CRC_24B_DROP;
        else {
                printf("The given value is not a turbo decoder flag\n");
                return -1;

diff --git a/lib/bbdev/rte_bbdev_op.h b/lib/bbdev/rte_bbdev_op.h
index 7c44ddd..5512859 100644 (file)
--- a/lib/bbdev/rte_bbdev_op.h
+++ b/lib/bbdev/rte_bbdev_op.h
@@ -114,7 +114,10 @@ enum rte_bbdev_op_td_flag_bitmasks {
        /** Set to keep CRC24B bits appended while decoding. Only usable when
         * decoding Transport Block mode.
         */
-       RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP = (1ULL << 16)
+       RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP = (1ULL << 16),
+       /** Set to drop CRC24B bits not to be appended while decoding.
+        */
+       RTE_BBDEV_TURBO_DEC_CRC_24B_DROP = (1ULL << 17)
 };