From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 9F3C8A0552; Thu, 20 Oct 2022 23:24:42 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BA00C4282D; Thu, 20 Oct 2022 23:24:37 +0200 (CEST) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id CCFF340FAE; Thu, 20 Oct 2022 23:24:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666301076; x=1697837076; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Gwyd+01g6kF0VZMaCZCULw9hNkTDvbEptlyUbPOUevo=; b=aUVTYdnbm3GuLImDnGXWzpbONNapxLSyjvxYtxpc7cePWoBZImbCwe9Q TWpeJa/pvqbAZ9OZFIS5ms3fPFTKOYTXMaHeQm3xnXpuP5MBScYfiOgfr ZMbZlJFxDRpT97prEI8xmp9CLlyJ29wf8iGmRLcDzD3TN2Z/I0/nsm5SK 048qn2SA1BtnCo4CxEsi4EuPR8xDUbInOk0qOR/U67iC1LWD6w5qODu/r bygo63b/KVZ/y4J+hW2X7ZNqt8RhAS0Vn5GE8dN3r4nUGBpGAPxQE9ZaG b6j8+HmJmq0Z2lf8+y0ZAzZiyqg5TDB0S3uwNYV3Dq30CsGZNl3TBWdW2 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10506"; a="368887450" X-IronPort-AV: E=Sophos;i="5.95,199,1661842800"; d="scan'208";a="368887450" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2022 14:24:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10506"; a="755396794" X-IronPort-AV: E=Sophos;i="5.95,199,1661842800"; d="scan'208";a="755396794" Received: from unknown (HELO csl-npg-qt0.la.intel.com) ([10.233.181.103]) by orsmga004.jf.intel.com with ESMTP; 20 Oct 2022 14:24:29 -0700 From: Hernan Vargas To: dev@dpdk.org, gakhil@marvell.com, trix@redhat.com, maxime.coquelin@redhat.com Cc: nicolas.chautru@intel.com, qi.z.zhang@intel.com, Hernan Vargas , stable@dpdk.org Subject: [PATCH v5 01/29] baseband/acc100: fix ring availability calculation Date: Thu, 20 Oct 2022 22:20:34 -0700 Message-Id: <20221021052102.107141-2-hernan.vargas@intel.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221021052102.107141-1-hernan.vargas@intel.com> References: <20221021052102.107141-1-hernan.vargas@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Refactor of the queue availability computation to prevent the application to dequeue more than what may have been enqueued. Fixes: 5ad5060f8f7 ("baseband/acc100: add LDPC processing functions") Cc: stable@dpdk.org Signed-off-by: Hernan Vargas --- drivers/baseband/acc/rte_acc100_pmd.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c index e5384223d1..3b0c8e41dc 100644 --- a/drivers/baseband/acc/rte_acc100_pmd.c +++ b/drivers/baseband/acc/rte_acc100_pmd.c @@ -2861,7 +2861,7 @@ acc100_enqueue_enc_cb(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_enc_op **ops, uint16_t num) { struct acc_queue *q = q_data->queue_private; - int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + int32_t avail = acc_ring_avail_enq(q); uint16_t i; union acc_dma_desc *desc; int ret; @@ -2899,7 +2899,7 @@ acc100_enqueue_ldpc_enc_cb(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_enc_op **ops, uint16_t num) { struct acc_queue *q = q_data->queue_private; - int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + int32_t avail = acc_ring_avail_enq(q); uint16_t i = 0; union acc_dma_desc *desc; int ret, desc_idx = 0; @@ -2949,7 +2949,7 @@ acc100_enqueue_enc_tb(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_enc_op **ops, uint16_t num) { struct acc_queue *q = q_data->queue_private; - int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + int32_t avail = acc_ring_avail_enq(q); uint16_t i, enqueued_cbs = 0; uint8_t cbs_in_tb; int ret; @@ -3011,7 +3011,7 @@ acc100_enqueue_dec_cb(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_dec_op **ops, uint16_t num) { struct acc_queue *q = q_data->queue_private; - int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + int32_t avail = acc_ring_avail_enq(q); uint16_t i; union acc_dma_desc *desc; int ret; @@ -3050,7 +3050,7 @@ acc100_enqueue_ldpc_dec_tb(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_dec_op **ops, uint16_t num) { struct acc_queue *q = q_data->queue_private; - int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + int32_t avail = acc_ring_avail_enq(q); uint16_t i, enqueued_cbs = 0; uint8_t cbs_in_tb; int ret; @@ -3083,7 +3083,7 @@ acc100_enqueue_ldpc_dec_cb(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_dec_op **ops, uint16_t num) { struct acc_queue *q = q_data->queue_private; - int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + int32_t avail = acc_ring_avail_enq(q); uint16_t i; union acc_dma_desc *desc; int ret; @@ -3132,7 +3132,7 @@ acc100_enqueue_dec_tb(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_dec_op **ops, uint16_t num) { struct acc_queue *q = q_data->queue_private; - int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + int32_t avail = acc_ring_avail_enq(q); uint16_t i, enqueued_cbs = 0; uint8_t cbs_in_tb; int ret; @@ -3495,12 +3495,13 @@ acc100_dequeue_enc(struct rte_bbdev_queue_data *q_data, { struct acc_queue *q = q_data->queue_private; uint16_t dequeue_num; - uint32_t avail = q->sw_ring_head - q->sw_ring_tail; + uint32_t avail = acc_ring_avail_deq(q); uint32_t aq_dequeued = 0; uint16_t i, dequeued_cbs = 0; struct rte_bbdev_enc_op *op; int ret; - + if (avail == 0) + return 0; #ifdef RTE_LIBRTE_BBDEV_DEBUG if (unlikely(ops == NULL || q == NULL)) { rte_bbdev_log_debug("Unexpected undefined pointer"); @@ -3539,7 +3540,7 @@ acc100_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_enc_op **ops, uint16_t num) { struct acc_queue *q = q_data->queue_private; - uint32_t avail = q->sw_ring_head - q->sw_ring_tail; + uint32_t avail = acc_ring_avail_deq(q); uint32_t aq_dequeued = 0; uint16_t dequeue_num, i, dequeued_cbs = 0, dequeued_descs = 0; int ret; @@ -3579,7 +3580,7 @@ acc100_dequeue_dec(struct rte_bbdev_queue_data *q_data, { struct acc_queue *q = q_data->queue_private; uint16_t dequeue_num; - uint32_t avail = q->sw_ring_head - q->sw_ring_tail; + uint32_t avail = acc_ring_avail_deq(q); uint32_t aq_dequeued = 0; uint16_t i; uint16_t dequeued_cbs = 0; @@ -3623,7 +3624,7 @@ acc100_dequeue_ldpc_dec(struct rte_bbdev_queue_data *q_data, { struct acc_queue *q = q_data->queue_private; uint16_t dequeue_num; - uint32_t avail = q->sw_ring_head - q->sw_ring_tail; + uint32_t avail = acc_ring_avail_deq(q); uint32_t aq_dequeued = 0; uint16_t i; uint16_t dequeued_cbs = 0; -- 2.37.1