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 C7C6146D8D; Wed, 27 Aug 2025 03:28:47 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0AD2840659; Wed, 27 Aug 2025 03:28:38 +0200 (CEST) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 9A6A54028F for ; Wed, 27 Aug 2025 03:28:34 +0200 (CEST) Received: from mail.maildlp.com (unknown [172.19.88.194]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4cBRjK55vHztTNk; Wed, 27 Aug 2025 09:27:33 +0800 (CST) Received: from kwepemk500009.china.huawei.com (unknown [7.202.194.94]) by mail.maildlp.com (Postfix) with ESMTPS id 646441402DB; Wed, 27 Aug 2025 09:28:31 +0800 (CST) Received: from localhost.localdomain (10.50.165.33) by kwepemk500009.china.huawei.com (7.202.194.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Wed, 27 Aug 2025 09:28:30 +0800 From: Chengwen Feng To: CC: , , Subject: [PATCH 2/2] test/dma: support auto adapt ringsize Date: Wed, 27 Aug 2025 09:28:29 +0800 Message-ID: <20250827012829.40752-3-fengchengwen@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20250827012829.40752-1-fengchengwen@huawei.com> References: <20250827012829.40752-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.50.165.33] X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To kwepemk500009.china.huawei.com (7.202.194.94) 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 The default ringsize is 512, some DMA devices may not support, this commit support auto adapt ringsize. Signed-off-by: Chengwen Feng --- app/test/test_dmadev.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/app/test/test_dmadev.c b/app/test/test_dmadev.c index 482d564f7a..e1a919cd81 100644 --- a/app/test/test_dmadev.c +++ b/app/test/test_dmadev.c @@ -1135,7 +1135,7 @@ test_dmadev_setup(void) int16_t dev_id = test_dev_id; struct rte_dma_stats stats; const struct rte_dma_conf conf = { .nb_vchans = 1}; - const struct rte_dma_vchan_conf qconf = { + struct rte_dma_vchan_conf qconf = { .direction = RTE_DMA_DIR_MEM_TO_MEM, .nb_desc = TEST_RINGSIZE, }; @@ -1151,6 +1151,10 @@ test_dmadev_setup(void) if (rte_dma_configure(dev_id, &conf) != 0) ERR_RETURN("Error with rte_dma_configure()\n"); + if (qconf.nb_desc < info.min_desc) + qconf.nb_desc = info.min_desc; + if (qconf.nb_desc > info.max_desc) + qconf.nb_desc = info.max_desc; if (rte_dma_vchan_setup(dev_id, vchan, &qconf) < 0) ERR_RETURN("Error with queue configuration\n"); -- 2.17.1