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 32180A034C; Thu, 28 Apr 2022 15:22:52 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 63EEE42840; Thu, 28 Apr 2022 15:22:13 +0200 (CEST) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 059414282E for ; Thu, 28 Apr 2022 15:22:02 +0200 (CEST) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Kpx6F2xKCzGpRZ; Thu, 28 Apr 2022 21:19:17 +0800 (CST) Received: from localhost.localdomain (10.67.165.24) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 28 Apr 2022 21:21:55 +0800 From: Chengwen Feng To: , , , , , , CC: Subject: [PATCH v2 4/9] net/mvpp2: adjust retval when xstats is null of get xstats Date: Thu, 28 Apr 2022 21:15:55 +0800 Message-ID: <20220428131600.41032-5-fengchengwen@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220428131600.41032-1-fengchengwen@huawei.com> References: <20220416010747.40714-1-fengchengwen@huawei.com> <20220428131600.41032-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500024.china.huawei.com (7.185.36.10) X-CFilter-Loop: Reflected 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 Many user (e.g. telemetry) invokes rte_eth_xstats_get(port_id, NULL, 0) to retrieve the required number of elements, but currently mvpp2 PMD returns zero when xstats is NULL. This patch adjusts that the return value was the required number of elements when stats is NULL. Fixes: a77b5378cd41 ("net/mrvl: add extended statistics") Cc: stable@dpdk.org Signed-off-by: Chengwen Feng --- drivers/net/mvpp2/mrvl_ethdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/mvpp2/mrvl_ethdev.c b/drivers/net/mvpp2/mrvl_ethdev.c index f86701d248..9781a0a411 100644 --- a/drivers/net/mvpp2/mrvl_ethdev.c +++ b/drivers/net/mvpp2/mrvl_ethdev.c @@ -1629,7 +1629,7 @@ mrvl_xstats_get(struct rte_eth_dev *dev, unsigned int i; if (!stats) - return 0; + return RTE_DIM(mrvl_xstats_tbl); pp2_ppio_get_statistics(priv->ppio, &ppio_stats, 0); for (i = 0; i < n && i < RTE_DIM(mrvl_xstats_tbl); i++) { -- 2.33.0