[dpdk-dev] crypto/qat: fix failed raw data path dequeue

Fan Zhang roy.fan.zhang at intel.com
Tue Jul 27 17:42:46 CEST 2021


This patch fixes the raw data path dequeue burst fail problem.
Previously the in case the queue is full and not all packets
asked to be dequeued are processed, the dequeue burst will
never happen.

Fixes: c21574edc52a ("cryptodev: add dequeue count parameter in raw API")
Cc: roy.fan.zhang at intel.com

Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>
---
 drivers/crypto/qat/qat_sym_hw_dp.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/crypto/qat/qat_sym_hw_dp.c b/drivers/crypto/qat/qat_sym_hw_dp.c
index 4305579b54..ac9ac05363 100644
--- a/drivers/crypto/qat/qat_sym_hw_dp.c
+++ b/drivers/crypto/qat/qat_sym_hw_dp.c
@@ -744,14 +744,6 @@ qat_sym_dp_dequeue_burst(void *qp_data, uint8_t *drv_ctx,
 		n = get_dequeue_count(resp_opaque);
 		if (unlikely(n == 0))
 			return 0;
-		else if (n > 1) {
-			head = (head + rx_queue->msg_size * (n - 1)) &
-				rx_queue->modulo_mask;
-			resp = (struct icp_qat_fw_comn_resp *)(
-				(uint8_t *)rx_queue->base_addr + head);
-			if (*(uint32_t *)resp == ADF_RING_EMPTY_SIG)
-				return 0;
-		}
 	} else {
 		if (unlikely(max_nb_to_dequeue == 0))
 			return 0;
-- 
2.25.1



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