summaryrefslogtreecommitdiff
path: root/doc/guides/nics
diff options
context:
space:
mode:
authorYongseok Koh <yskoh@mellanox.com>2019-01-29 23:53:19 -0800
committerThomas Monjalon <thomas@monjalon.net>2019-01-31 18:41:07 +0100
commitf06a2d4fb9f051f93aa1848dedb9973452f575f0 (patch)
treebe6157873eebae5a5dfe8e76f14d0820fd1cc570 /doc/guides/nics
parentc9e462d17b80394d3eaf8470198afaaa94a6c181 (diff)
downloaddpdk-f06a2d4fb9f051f93aa1848dedb9973452f575f0.zip
dpdk-f06a2d4fb9f051f93aa1848dedb9973452f575f0.tar.gz
dpdk-f06a2d4fb9f051f93aa1848dedb9973452f575f0.tar.xz
doc: add mlx5 note for Bluefield build configuration
Fixes: d14e4e976f65 ("config: add Mellanox BlueField armv8 SoC") Cc: stable@dpdk.org Signed-off-by: Yongseok Koh <yskoh@mellanox.com> Acked-by: Shahaf Shuler <shahafs@mellanox.com>
Diffstat (limited to 'doc/guides/nics')
-rw-r--r--doc/guides/nics/mlx5.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 3f168b1..62de860 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
~~~~~~~~~~~~~~~~~~~~~