RE: [PATCH 1/3] net/mlx5: fix validation for conntrack indirect action

[Suanming Mou <suanmingm@nvidia.com>]

Hi,

> -----Original Message-----
> From: Alexander Kozyrev <akozyrev@nvidia.com>
> Sent: Tuesday, July 11, 2023 11:21 PM
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Raslan Darawsheh <rasland@nvidia.com>; Slava Ovsiienko
> <viacheslavo@nvidia.com>; Matan Azrad <matan@nvidia.com>; Bing Zhao
> <bingz@nvidia.com>
> Subject: [PATCH 1/3] net/mlx5: fix validation for conntrack indirect action
> 
> From: Bing Zhao <bingz@nvidia.com>
> 
> After rte_flow_shared_action_* API was replaced with
> rte_flow_action_handle_* API, one input parameter of the update interface was
> also changed. A generic pointer was used instead of the "const struct
> rte_flow_action *" pointer.
> 
> In the entrance of mlx5 PMD callback for update, the validation is called for all
> indirect actions. But for conntrack type, the pointer is no longer with
> rte_flow_action pointer type and it will cause an incorrect casting and error.
> 
> The content for updating should only be validated when needed. It should skip the
> validation in the entrance. Right now, the content was already added before
> updating the hardware by WQE. So the type of the indirect action should be
> checked before calling the action validate function.
> 
> When creating a new conntrack object, the validation is still needed since all the
> content will be used to update the hardware context.
> 
> Fixes: 40327aab1491 ("ethdev: introduce indirect flow action")
> 
> Signed-off-by: Bing Zhao <bingz@nvidia.com>

Acked-by: Suanming Mou <suanmingm@nvidia.com>