Re: [PATCH v2 net-next 1/6] sfc: add fallback action-set-lists for TC offload

[Simon Horman <simon.horman@corigine.com>]

On Thu, Jun 08, 2023 at 05:42:30PM +0100, edward.cree@amd.com wrote:
> From: Edward Cree <ecree.xilinx@gmail.com>
> 
> When offloading a TC encap action, the action information for the
>  hardware might not be "ready": if there's currently no neighbour entry
>  available for the destination address, we can't construct the Ethernet
>  header to prepend to the packet.  In this case, we still offload the
>  flow rule, but with its action-set-list ID pointing at a "fallback"
>  action which simply delivers the packet to its default destination (as
>  though no flow rule had matched), thus allowing software TC to handle
>  it.  Later, when we receive a neighbouring update that allows us to
>  construct the encap header, the rule will become "ready" and we will
>  update its action-set-list ID in hardware to point at the actual
>  offloaded actions.
> This patch sets up these fallback ASLs, but does not yet use them.
> 
> Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
> Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>

Reviewed-by: Simon Horman <simon.horman@corigine.com>