[dpdk-dev] [PATCH v2] net/mlx5: add support for ConnectX-5 NICs
adrien.mazarguil at 6wind.com
Thu Jan 5 21:26:46 CET 2017
A few remaining comments, please see below.
On Thu, Jan 05, 2017 at 03:52:54AM -0800, Yongseok Koh wrote:
> Add PCI device ID for ConnectX-5 and enable multi-packet send for PF and VF
> along with changing documentation and release note.
> Signed-off-by: Yongseok Koh <yskoh at mellanox.com>
> ConnectX-5 is a newly announced NIC of Mellanox. This patch includes basic
> enablement of ConnectX-5 as well as documentation.
> config/common_base | 2 +-
> doc/guides/nics/mlx5.rst | 37 +++++++++++++++++-------------
> doc/guides/rel_notes/release_17_02.rst | 5 ++++
> drivers/net/mlx5/mlx5.c | 42 ++++++++++++++++++++++++++++++----
> drivers/net/mlx5/mlx5.h | 4 ++++
> drivers/net/mlx5/mlx5_ethdev.c | 7 ++----
> drivers/net/mlx5/mlx5_txq.c | 2 +-
> 7 files changed, 71 insertions(+), 28 deletions(-)
> diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
> @@ -185,8 +185,8 @@ Run-time configuration
> save PCI bandwidth and improve performance at the cost of a slightly
> higher CPU usage.
> - It is currently only supported on the ConnectX-4 Lx family of adapters.
> - Enabled by default.
> + It is currently only supported on the ConnectX-4 Lx and ConnectX-5
> + families of adapters. Enabled by default.
Minor nit, can you remove the double spacing here? I know there is another
one in the same document but it does break the style, it will be fixed
> @@ -241,12 +242,16 @@ DPDK and must be installed separately:
> Currently supported by DPDK:
> -- Mellanox OFED **3.4-126.96.36.199**.
> +- Mellanox OFED version:
An empty line is missing after this line. It causes the list to not display
properly once exported to other formats.
> + - ConnectX-4: **3.4-188.8.131.52** or higher
> + - ConnectX-4 Lx: **3.4-184.108.40.206** or higher
> + - ConnectX-5: **4.0-0.0.8.1** or higher
> - firmware version:
> - - ConnectX-4: **12.17.1010**
> - - ConnectX-4 Lx: **14.17.1010**
> + - ConnectX-4: **12.17.1010** or higher
> + - ConnectX-4 Lx: **14.17.1010** or higher
> + - ConnectX-5: **16.18.0296** or higher
"or higher" was implicit until now, if you want to make it explicit I think
it's better to write it once in some other place (e.g. by clarifying
"Currently supported by DPDK"). Falls outside the scope of this patch
> Getting Mellanox OFED
> @@ -288,8 +293,8 @@ behavior as librte_pmd_mlx4:
> Usage example
> -This section demonstrates how to launch **testpmd** with Mellanox ConnectX-4
> -devices managed by librte_pmd_mlx5.
> +This section demonstrates how to launch **testpmd** with Mellanox
> +ConnectX-4/ConnectX-5 devices managed by librte_pmd_mlx5.
> #. Load the kernel modules:
> diff --git a/doc/guides/rel_notes/release_17_02.rst b/doc/guides/rel_notes/release_17_02.rst
> index 699487dfe..6da4d0f8d 100644
> --- a/doc/guides/rel_notes/release_17_02.rst
> +++ b/doc/guides/rel_notes/release_17_02.rst
> @@ -61,6 +61,11 @@ New Features
> A new network PMD which supports Solarflare SFN7xxx and SFN8xxx family
> of 10/40 Gbps adapters has been added.
> +* **Added support for Mellanox ConnectX-5 adpaters (mlx5).**
More information about the dev