[PATCH v2 5/9] baseband/acc: fix iteration counter in TB mode

Nicolas Chautru nicolas.chautru at intel.com
Fri Feb 10 18:58:37 CET 2023


The iteration count was not using correct structure (4G vs 5G)
in TB mode.

Fixes: bec597b78a0 ("baseband/acc200: add LTE processing")
Cc: stable at dpdk.org

Signed-off-by: Nicolas Chautru <nicolas.chautru at intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
---
 drivers/baseband/acc/rte_vrb_pmd.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/baseband/acc/rte_vrb_pmd.c b/drivers/baseband/acc/rte_vrb_pmd.c
index a7d0b1e33c..ccd3adaf93 100644
--- a/drivers/baseband/acc/rte_vrb_pmd.c
+++ b/drivers/baseband/acc/rte_vrb_pmd.c
@@ -2875,7 +2875,7 @@ vrb_dequeue_ldpc_dec_one_op_cb(struct rte_bbdev_queue_data *q_data,
 	return 1;
 }
 
-/* Dequeue one decode operations from device in TB mode. */
+/* Dequeue one decode operations from device in TB mode for 4G or 5G. */
 static inline int
 vrb_dequeue_dec_one_op_tb(struct acc_queue *q, struct rte_bbdev_dec_op **ref_op,
 		uint16_t dequeued_cbs, uint32_t *aq_dequeued)
@@ -2929,8 +2929,12 @@ vrb_dequeue_dec_one_op_tb(struct acc_queue *q, struct rte_bbdev_dec_op **ref_op,
 		/* CRC invalid if error exists. */
 		if (!op->status)
 			op->status |= rsp.crc_status << RTE_BBDEV_CRC_ERROR;
-		op->turbo_dec.iter_count = RTE_MAX((uint8_t) rsp.iter_cnt,
-				op->turbo_dec.iter_count);
+		if (q->op_type == RTE_BBDEV_OP_LDPC_DEC)
+			op->ldpc_dec.iter_count = RTE_MAX((uint8_t) rsp.iter_cnt,
+					op->ldpc_dec.iter_count);
+		else
+			op->turbo_dec.iter_count = RTE_MAX((uint8_t) rsp.iter_cnt,
+					op->turbo_dec.iter_count);
 
 		/* Check if this is the last desc in batch (Atomic Queue). */
 		if (desc->req.last_desc_in_batch) {
-- 
2.34.1



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