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 B0112A0560 for ; Tue, 18 Oct 2022 18:42:53 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D8A6E415D7; Tue, 18 Oct 2022 18:42:51 +0200 (CEST) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id B3F2C40395; Tue, 18 Oct 2022 18:42:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666111369; x=1697647369; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4DPT98XI4fS3hau6ILjk8vdTvRJtbvlyCfXywxkkVVs=; b=ax3rhkzni383JMJUn/8hmwOlHJrNbGwjYIJpMytPguflY7LVBojwknh4 RasX4WrKuUnAnzitUTAI/Y157ajmOdKx8MEUUG8hT0452yXXyPNpToE5N lOSf2IM5xQtidSVfDykMR9ZgwGY+dsntQ3gPJaUCazSLnuetWcLvc/pD9 Hvn3xynAHPkVxSPu19Us8nyY59dzXU0CdPQSktZ8lfije/MEIEkv2d0yY DTo7PYt4qnh1YaGLA1uL5idAOEOMIxRAU84jwnf5NFsKV4hIzhFhN9oeD hiMr6e8gDCQpCO1AjAk0TDPZ1Jupgx5wcb9k5PKjQHM82qpxl9d4z7gyk g==; X-IronPort-AV: E=McAfee;i="6500,9779,10504"; a="368192026" X-IronPort-AV: E=Sophos;i="5.95,193,1661842800"; d="scan'208";a="368192026" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2022 09:42:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10504"; a="803835987" X-IronPort-AV: E=Sophos;i="5.95,193,1661842800"; d="scan'208";a="803835987" Received: from unknown (HELO csl-npg-qt0.la.intel.com) ([10.233.181.103]) by orsmga005.jf.intel.com with ESMTP; 18 Oct 2022 09:42:46 -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 v4 02/30] baseband/acc100: add function to check AQ availability Date: Tue, 18 Oct 2022 17:38:50 -0700 Message-Id: <20221019003918.257506-3-hernan.vargas@intel.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221019003918.257506-1-hernan.vargas@intel.com> References: <20221019003918.257506-1-hernan.vargas@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org It is possible for some corner case to run more batch enqueue than supported. A protection is required to avoid that corner case. Enhance all ACC100 enqueue operations with check to see if there is room in the atomic queue for enqueueing batches into the queue manager Check room in AQ for the enqueues batches into Qmgr Fixes: 5ad5060f8f7 ("baseband/acc100: add LDPC processing functions") Cc: stable@dpdk.org Signed-off-by: Hernan Vargas --- drivers/baseband/acc/rte_acc100_pmd.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c index 3b0c8e41dc..7fec2283eb 100644 --- a/drivers/baseband/acc/rte_acc100_pmd.c +++ b/drivers/baseband/acc/rte_acc100_pmd.c @@ -2983,7 +2983,8 @@ static uint16_t acc100_enqueue_enc(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_enc_op **ops, uint16_t num) { - if (unlikely(num == 0)) + int32_t aq_avail = acc_aq_avail(q_data, num); + if (unlikely((aq_avail <= 0) || (num == 0))) return 0; if (ops[0]->turbo_enc.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) return acc100_enqueue_enc_tb(q_data, ops, num); @@ -2996,7 +2997,8 @@ static uint16_t acc100_enqueue_ldpc_enc(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_enc_op **ops, uint16_t num) { - if (unlikely(num == 0)) + int32_t aq_avail = acc_aq_avail(q_data, num); + if (unlikely((aq_avail <= 0) || (num == 0))) return 0; if (ops[0]->ldpc_enc.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) return acc100_enqueue_enc_tb(q_data, ops, num); @@ -3164,8 +3166,11 @@ static uint16_t acc100_enqueue_dec(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_dec_op **ops, uint16_t num) { - if (unlikely(num == 0)) + int32_t aq_avail = acc_aq_avail(q_data, num); + + if (unlikely((aq_avail <= 0) || (num == 0))) return 0; + if (ops[0]->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) return acc100_enqueue_dec_tb(q_data, ops, num); else @@ -3177,11 +3182,9 @@ static uint16_t acc100_enqueue_ldpc_dec(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 aq_avail = q->aq_depth + - (q->aq_dequeued - q->aq_enqueued) / 128; + int32_t aq_avail = acc_aq_avail(q_data, num); - if (unlikely((aq_avail == 0) || (num == 0))) + if (unlikely((aq_avail <= 0) || (num == 0))) return 0; if (ops[0]->ldpc_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) @@ -3190,7 +3193,6 @@ acc100_enqueue_ldpc_dec(struct rte_bbdev_queue_data *q_data, return acc100_enqueue_ldpc_dec_cb(q_data, ops, num); } - /* Dequeue one encode operations from ACC100 device in CB mode */ static inline int dequeue_enc_one_op_cb(struct acc_queue *q, struct rte_bbdev_enc_op **ref_op, -- 2.37.1