From patchwork Wed May 1 01:37:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongseok Koh X-Patchwork-Id: 53179 X-Patchwork-Delegate: shahafs@mellanox.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id EA0CA532C; Wed, 1 May 2019 03:37:26 +0200 (CEST) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 67F774F9A for ; Wed, 1 May 2019 03:37:25 +0200 (CEST) Received: from Internal Mail-Server by MTLPINE2 (envelope-from yskoh@mellanox.com) with ESMTPS (AES256-SHA encrypted); 1 May 2019 04:37:22 +0300 Received: from scfae-sc-2.mti.labs.mlnx (scfae-sc-2.mti.labs.mlnx [10.101.0.96]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x411bK7P032298; Wed, 1 May 2019 04:37:21 +0300 From: Yongseok Koh To: shahafs@mellanox.com Cc: dev@dpdk.org, stable@dpdk.org Date: Tue, 30 Apr 2019 18:37:17 -0700 Message-Id: <20190501013717.41608-1-yskoh@mellanox.com> X-Mailer: git-send-email 2.11.0 Subject: [dpdk-dev] [PATCH] net/mlx5: fix max number of queues for NEON Tx 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" BlueField SmartNIC has 0xa2d2 as PCI device ID on both ARM and x86 host. On ARM side, Tx inlining need not be used as PCI bandwidth is not bottleneck. Vectorized Tx can still be used up to 16 queues. For other archs (e.g., x86), keep using the default value. Fixes: 09d8b41699bb ("net/mlx5: make vectorized Tx threshold configurable") Cc: stable@dpdk.org Signed-off-by: Yongseok Koh --- drivers/net/mlx5/mlx5_defs.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h index 69b6960e94..13801a5c2d 100644 --- a/drivers/net/mlx5/mlx5_defs.h +++ b/drivers/net/mlx5/mlx5_defs.h @@ -63,10 +63,11 @@ /* Default maximum number of Tx queues for vectorized Tx. */ #if defined(RTE_ARCH_ARM64) #define MLX5_VPMD_MAX_TXQS 8 +#define MLX5_VPMD_MAX_TXQS_BLUEFIELD 16 #else #define MLX5_VPMD_MAX_TXQS 4 +#define MLX5_VPMD_MAX_TXQS_BLUEFIELD MLX5_VPMD_MAX_TXQS #endif -#define MLX5_VPMD_MAX_TXQS_BLUEFIELD 16 /* Threshold of buffer replenishment for vectorized Rx. */ #define MLX5_VPMD_RXQ_RPLNSH_THRESH(n) \