From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yongseok Koh Subject: [PATCH 1/3] doc: add mlx5 note for Bluefield build configuration Date: Tue, 29 Jan 2019 23:53:19 -0800 Message-ID: <20190130075321.24466-1-yskoh@mellanox.com> Cc: dev@dpdk.org, olgas@mellanox.com, shahafs@mellanox.com, stable@dpdk.org To: thomas@monjalon.net Return-path: Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 9D45C1B1FB for ; Wed, 30 Jan 2019 08:53:27 +0100 (CET) List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Fixes: d14e4e976f65 ("config: add Mellanox BlueField armv8 SoC") Cc: stable@dpdk.org Signed-off-by: Yongseok Koh --- doc/guides/nics/mlx5.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index 3f168b1613..62de860d0a 100644 --- a/doc/guides/nics/mlx5.rst +++ b/doc/guides/nics/mlx5.rst @@ -221,6 +221,13 @@ These options can be modified in the ``.config`` file. adds additional run-time checks and debugging messages at the cost of lower performance. +.. note:: + + For Bluefield, target should be set to ``arm64-bluefield-linuxapp-gcc``. This + will enable ``CONFIG_RTE_LIBRTE_MLX5_PMD`` and set ``RTE_CACHE_LINE_SIZE`` to + 64. Default armv8a configuration of make build and meson build set it to 128 + then brings performance degradation. + Environment variables ~~~~~~~~~~~~~~~~~~~~~ -- 2.11.0