[PATCH] net/mlx5: fix E-Switch disabling when DV flow disable

[Raslan Darawsheh]

Hi,

> -----Original Message-----
> From: Michael Baum <michaelba at nvidia.com>
> Sent: Wednesday, March 2, 2022 9:15 PM
> To: dev at dpdk.org
> Cc: Matan Azrad <matan at nvidia.com>; Raslan Darawsheh
> <rasland at nvidia.com>; Slava Ovsiienko <viacheslavo at nvidia.com>
> Subject: [PATCH] net/mlx5: fix E-Switch disabling when DV flow disable
> 
> E-Switch DV flow is supported only when DV flow is supported and enabled.
> 
> The mlx5_shared_dev_ctx_args_config() function ensures that when the
> environment does not support DV, the "dv_esw_en" flag is turned off.
> However, when the environment is supportive but the user has requested
> to disable it, the "dv_esw_en" flag remains on and causes the PMD to try to
> create an E-Switch through the Verbs engine.
> 
> This patch adds check to ensure that "dv_esw_en" flag will be turned off
> when DV flow is disabled.
> 
> Fixes: a13ec19c1993 ("net/mlx5: add shared device context config structure")
> 
> Signed-off-by: Michael Baum <michaelba at nvidia.com>
> Acked-by: Matan Azrad <matan at nvidia.com>

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh