On Fri, Oct 11, 2024 at 09:03:28AM +0200, Michal Swiatkowski wrote:
> The new recipe should be added even if exactly the same recipe already
> exists with different priority.
> 
> Example use case is when the rule is being added from TC tool context.
> It should has the highest priority, but if the recipe already exists
> the rule will inherit it priority. It can lead to the situation when
> the rule added from TC tool has lower priority than expected.
> 
> The solution is to check the recipe priority when trying to find
> existing one.
> 
> Previous recipe is still useful. Example:
> RID 8 -> priority 4
> RID 10 -> priority 7
> 
> The difference is only in priority rest is let's say eth + mac +
> direction.
> 
> Adding ARP + MAC_A + RX on RID 8, forward to VF0_VSI
> After that IP + MAC_B + RX on RID 10 (from TC tool), forward to PF0
> 
> Both will work.
> 
> In case of adding ARP + MAC_A + RX on RID 8, forward to VF0_VSI
> ARP + MAC_A + RX on RID 10, forward to PF0.
> 
> Only second one will match, but this is expected.
> 
> Reviewed-by: Marcin Szycik <[email protected]>
> Reviewed-by: Przemek Kitszel <[email protected]>
> Signed-off-by: Michal Swiatkowski <[email protected]>

Reviewed-by: Simon Horman <[email protected]>

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