RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN |
RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN |
RTE_BBDEV_TURBO_CRC_TYPE_24B |
+ RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP |
RTE_BBDEV_TURBO_EARLY_TERMINATION,
.max_llr_modulus = 16,
.num_buffers_src = RTE_BBDEV_MAX_CODE_BLOCKS,
process_dec_cb(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op,
uint8_t c, uint16_t k, uint16_t kw, struct rte_mbuf *m_in,
struct rte_mbuf *m_out, uint16_t in_offset, uint16_t out_offset,
- bool check_crc_24b, uint16_t total_left)
+ bool check_crc_24b, uint16_t crc24_overlap, uint16_t total_left)
{
int ret;
int32_t k_idx;
adapter_resp.pharqout = q->adapter_output;
bblib_turbo_adapter_ul(&adapter_req, &adapter_resp);
- out = (uint8_t *)rte_pktmbuf_append(m_out, (k >> 3));
+ out = (uint8_t *)rte_pktmbuf_append(m_out, ((k - crc24_overlap) >> 3));
if (out == NULL) {
op->status |= 1 << RTE_BBDEV_DATA_ERROR;
rte_bbdev_log(ERR, "Too little space in output mbuf");
{
uint8_t c, r = 0;
uint16_t kw, k = 0;
+ uint16_t crc24_overlap = 0;
struct rte_bbdev_op_turbo_dec *dec = &op->turbo_dec;
struct rte_mbuf *m_in = dec->input.data;
struct rte_mbuf *m_out = dec->hard_output.data;
c = 1;
}
+ if ((c > 1) && !check_bit(dec->op_flags,
+ RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP))
+ crc24_overlap = 24;
+
while (total_left > 0) {
if (dec->code_block_mode == 0)
k = (r < dec->tb_params.c_neg) ?
process_dec_cb(q, op, c, k, kw, m_in, m_out, in_offset,
out_offset, check_bit(dec->op_flags,
- RTE_BBDEV_TURBO_CRC_TYPE_24B), total_left);
- /* As a result of decoding we get Code Block with included
- * decoded CRC24 at the end of Code Block. Type of CRC24 is
- * specified by flag.
+ RTE_BBDEV_TURBO_CRC_TYPE_24B), crc24_overlap,
+ total_left);
+ /* To keep CRC24 attached to end of Code block, use
+ * RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP flag as it
+ * removed by default once verified.
*/
/* Update total_left */
total_left -= kw;
/* Update offsets for next CBs (if exist) */
in_offset += kw;
- out_offset += (k >> 3);
+ out_offset += ((k - crc24_overlap) >> 3);
r++;
}
if (total_left != 0) {