build/external/patches/dpdk_21.05/0001-crypto-qat-fix-failed-raw-data-path-dequeue.patch

   1 From 154843b968e98e7d4683f1540631ca324c337073 Mon Sep 17 00:00:00 2001
   2 From: Fan Zhang <roy.fan.zhang@intel.com>
   3 Date: Tue, 27 Jul 2021 16:27:36 +0100
   4 Subject: [dpdk-dev] crypto/qat: fix failed raw data path dequeue
   5
   6 This patch fixes the raw data path dequeue burst fail problem.
   7 Previously the in case the queue is full and not all packets
   8 asked to be dequeued are processed, the dequeue burst will
   9 never happen.
  10
  11 Fixes: c21574edc52a ("cryptodev: add dequeue count parameter in raw API")
  12 Cc: roy.fan.zhang@intel.com
  13
  14 Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
  15 ---
  16  drivers/crypto/qat/qat_sym_hw_dp.c | 8 --------
  17  1 file changed, 8 deletions(-)
  18
  19 diff --git a/drivers/crypto/qat/qat_sym_hw_dp.c b/drivers/crypto/qat/qat_sym_hw_dp.c
  20 index 4305579b54..ac9ac05363 100644
  21 --- a/drivers/crypto/qat/qat_sym_hw_dp.c
  22 +++ b/drivers/crypto/qat/qat_sym_hw_dp.c
  23 @@ -744,14 +744,6 @@ qat_sym_dp_dequeue_burst(void *qp_data, uint8_t *drv_ctx,
  24                 n = get_dequeue_count(resp_opaque);
  25                 if (unlikely(n == 0))
  26                         return 0;
  27 -               else if (n > 1) {
  28 -                       head = (head + rx_queue->msg_size * (n - 1)) &
  29 -                               rx_queue->modulo_mask;
  30 -                       resp = (struct icp_qat_fw_comn_resp *)(
  31 -                               (uint8_t *)rx_queue->base_addr + head);
  32 -                       if (*(uint32_t *)resp == ADF_RING_EMPTY_SIG)
  33 -                               return 0;
  34 -               }
  35         } else {
  36                 if (unlikely(max_nb_to_dequeue == 0))
  37                         return 0;
  38 --
  39 2.25.1
  40