Re: [dpdk-dev] [PATCH v3 1/5] ethdev: update modify field flow action

[Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>]

On 10/12/21 11:06 AM, Viacheslav Ovsiienko wrote:
> The generic modify field flow action introduced in [1] has
> some issues related to the immediate source operand:
> 
>   - immediate source can be presented either as an unsigned
>     64-bit integer or pointer to data pattern in memory.
>     There was no explicit pointer field defined in the union.
> 
>   - the byte ordering for 64-bit integer was not specified.
>     Many fields have shorter lengths and byte ordering
>     is crucial.
> 
>   - how the bit offset is applied to the immediate source
>     field was not defined and documented.
> 
>   - 64-bit integer size is not enough to provide IPv6
>     addresses.
> 
> In order to cover the issues and exclude any ambiguities
> the following is done:
> 
>   - introduce the explicit pointer field
>     in rte_flow_action_modify_data structure
> 
>   - replace the 64-bit unsigned integer with 16-byte array
> 
>   - update the modify field flow action documentation
> 
> Appropriate deprecation notice has been removed.
> 
> [1] commit 73b68f4c54a0 ("ethdev: introduce generic modify flow action")
> 
> Fixes: 2ba49b5f3721 ("doc: announce change to ethdev modify action data")
> 
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
> Acked-by: Ori Kam <orika@nvidia.com>

Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>