vpp/build/external/patches/dpdk_21.05/0001-crypto-qat-fix-failed-raw-data-path-dequeue.patch
Fan Zhang a44a0c038f dpdk: fix cryptodev raw data path dequeue
This patch fixes the dpdk cryptodev raw data path dequeue problem.
The fix involves DPDK QAT PMD changes and is to be upstreamed
as a patch. The patch is also sent to DPDK mailing list.

Type: fix

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Change-Id: I1a9253c8a7fbc2aa43f19f90da45e64e2840356a
2021-07-28 07:54:04 +00:00

41 lines
1.3 KiB
Diff

From 154843b968e98e7d4683f1540631ca324c337073 Mon Sep 17 00:00:00 2001
From: Fan Zhang <roy.fan.zhang@intel.com>
Date: Tue, 27 Jul 2021 16:27:36 +0100
Subject: [dpdk-dev] crypto/qat: fix failed raw data path dequeue
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@intel.com
Signed-off-by: Fan Zhang <roy.fan.zhang@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