From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2C784A04DD; Wed, 28 Oct 2020 10:35:22 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id AEF9AC8D4; Wed, 28 Oct 2020 10:34:19 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 7EF9FC85E for ; Wed, 28 Oct 2020 10:34:13 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from suanmingm@nvidia.com) with SMTP; 28 Oct 2020 11:34:10 +0200 Received: from nvidia.com (mtbc-r640-04.mtbc.labs.mlnx [10.75.70.9]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 09S9Y0Rk014036; Wed, 28 Oct 2020 11:34:08 +0200 From: Suanming Mou To: Matan Azrad , Shahaf Shuler , Viacheslav Ovsiienko Cc: dev@dpdk.org, rasland@nvidia.com, Xueming Li Date: Wed, 28 Oct 2020 17:33:23 +0800 Message-Id: <1603877633-293405-5-git-send-email-suanmingm@nvidia.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1603877633-293405-1-git-send-email-suanmingm@nvidia.com> References: <1601984948-313027-1-git-send-email-suanmingm@nvidia.com> <1603877633-293405-1-git-send-email-suanmingm@nvidia.com> Subject: [dpdk-dev] [PATCH v5 04/34] net/mlx5: indexed pool supports zero size entry X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Xueming Li To make indexed pool to be used as ID generator, this patch allows entry size to be zero. Signed-off-by: Xueming Li Acked-by: Matan Azrad --- drivers/net/mlx5/mlx5_utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/mlx5/mlx5_utils.c b/drivers/net/mlx5/mlx5_utils.c index 9a54fda..3a1f87a 100644 --- a/drivers/net/mlx5/mlx5_utils.c +++ b/drivers/net/mlx5/mlx5_utils.c @@ -230,7 +230,7 @@ struct mlx5_indexed_pool * struct mlx5_indexed_pool *pool; uint32_t i; - if (!cfg || !cfg->size || (!cfg->malloc ^ !cfg->free) || + if (!cfg || (!cfg->malloc ^ !cfg->free) || (cfg->trunk_size && ((cfg->trunk_size & (cfg->trunk_size - 1)) || ((__builtin_ffs(cfg->trunk_size) + TRUNK_IDX_BITS) > 32)))) return NULL; @@ -391,7 +391,7 @@ struct mlx5_indexed_pool * { void *entry = mlx5_ipool_malloc(pool, idx); - if (entry) + if (entry && pool->cfg.size) memset(entry, 0, pool->cfg.size); return entry; } -- 1.8.3.1