[PATCH v2] net/mlx5: fix RSS validation for meter hierarchy

[Raslan Darawsheh]

Hi,


> -----Original Message-----
> From: Bing Zhao <bingz at nvidia.com>
> Sent: Tuesday, November 23, 2021 6:05 PM
> To: Slava Ovsiienko <viacheslavo at nvidia.com>; Matan Azrad
> <matan at nvidia.com>
> Cc: dev at dpdk.org; Raslan Darawsheh <rasland at nvidia.com>;
> stable at dpdk.org; Li Zhang <lizh at nvidia.com>; Shun Hao
> <shunh at nvidia.com>
> Subject: [PATCH v2] net/mlx5: fix RSS validation for meter hierarchy
> 
> In a meter hierarchy, all the meters are marked with having RSS if
> the final meter's termination action is RSS.
> 
> When validating a flow rule with meter hierarchy, the RSS action
> should not be fetched from the current meter if it is not the final
> one.
> 
> The fate action union is next meter ID instead of the pointer to the
> RSS action. By using the final meter in the hierarchy, the flow rule
> validation will succeed without any crash caused by the invalid RSS
> action pointer access.
> 
> Fixes: 1ce19ab1f43b ("net/mlx5: fix RSS validation with meter policy")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Bing Zhao <bingz at nvidia.com>
> Reviewed-by: Li Zhang <lizh at nvidia.com>
> Reviewed-by: Shun Hao <shunh at nvidia.com>
> Acked-by: Matan Azrad <matan at nvidia.com>

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh