Re: [dpdk-dev] [PATCH v5 2/2] net/mlx5: support socket direct mode bonding

[Raslan Darawsheh <rasland@nvidia.com>]

Hi,

> -----Original Message-----
> From: Rongwei Liu <rongweil@nvidia.com>
> Sent: Tuesday, October 26, 2021 11:49 AM
> To: Matan Azrad <matan@nvidia.com>; Slava Ovsiienko
> <viacheslavo@nvidia.com>; Ori Kam <orika@nvidia.com>; NBU-Contact-
> Thomas Monjalon <thomas@monjalon.net>
> Cc: dev@dpdk.org; Raslan Darawsheh <rasland@nvidia.com>
> Subject: [PATCH v5 2/2] net/mlx5: support socket direct mode bonding
> 
> In socket direct mode, it's possible to bind any two (maybe four in future)
> PCIe devices with IDs like xxxx:xx:xx.x and yyyy:yy:yy.y. Bonding member
> interfaces are unnecessary to have the same PCIe domain/bus/device ID
> anymore,
> 
> Kernel driver uses "system_image_guid" to identify if devices can be bound
> together or not. Sysfs "phys_switch_id" is used to get "system_image_guid"
> of each network interface.
> 
> OFED 5.4+ is required to support "phys_switch_id".
> 
> Signed-off-by: Rongwei Liu <rongweil@nvidia.com>
> Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
> ---
>  doc/guides/nics/mlx5.rst               |  4 +++
>  doc/guides/rel_notes/release_21_11.rst |  4 +++
>  drivers/net/mlx5/linux/mlx5_os.c       | 43 ++++++++++++++++++++------
>  3 files changed, 42 insertions(+), 9 deletions(-)
> 
> diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index
> 47709d93b3..45f44c97d7 100644
> --- a/doc/guides/nics/mlx5.rst
> +++ b/doc/guides/nics/mlx5.rst
> @@ -468,6 +468,10 @@ Limitations
> 
>    - TXQ affinity subjects to HW hash once enabled.
> 
> +- Bonding under socket direct mode
> +
> +  - Needs OFED 5.4+.
> +
>  Statistics
>  ----------
> 
> diff --git a/doc/guides/rel_notes/release_21_11.rst
> b/doc/guides/rel_notes/release_21_11.rst
> index 1ccac87b73..2f46b27709 100644
> --- a/doc/guides/rel_notes/release_21_11.rst
> +++ b/doc/guides/rel_notes/release_21_11.rst
> @@ -217,6 +217,10 @@ New Features
>    * Added PDCP short MAC-I support.
>    * Added raw vector datapath API support.
> 
> +* **Updated Mellanox mlx5 driver.**
> +
> +  * Added socket direct mode bonding support.
This part needs to be in the previously added update in the release notes.
Will fix during integration,

Kindest regards
Raslan Darawsheh