netdev - Re: [RFC PATCH iwl-next 6/6] ice: Add support for PFCP hardware offload in switchdev

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Message-ID: <ZH2tAuCurDvfSaEq@corigine.com>
Date: Mon, 5 Jun 2023 11:38:10 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Marcin Szycik <marcin.szycik@...ux.intel.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	wojciech.drewek@...el.com, michal.swiatkowski@...ux.intel.com,
	alexandr.lobakin@...el.com, davem@...emloft.net, kuba@...nel.org,
	jiri@...nulli.us, pabeni@...hat.com, jesse.brandeburg@...el.com,
	idosch@...dia.com
Subject: Re: [RFC PATCH iwl-next 6/6] ice: Add support for PFCP hardware
 offload in switchdev

On Thu, Jun 01, 2023 at 03:19:29PM +0200, Marcin Szycik wrote:
> Add support for creating PFCP filters in switchdev mode. Add support
> for parsing PFCP-specific tc options: S flag and SEID.
> 
> To create a PFCP filter, a special netdev must be created and passed
> to tc command:
> 
> ip link add pfcp0 type pfcp
> tc filter add dev eth0 ingress prio 1 flower pfcp_opts \
> 1:123/ff:fffffffffffffff0 skip_hw action mirred egress redirect dev pfcp0
> 
> Changes in iproute2 are required to be able to add the pfcp netdev and use
> pfcp_opts in tc.
> 
> ICE COMMS package is required to create a filter as it contains PFCP
> profiles.
> 
> Signed-off-by: Marcin Szycik <marcin.szycik@...ux.intel.com>

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