netdev - RE: [Intel-wired-lan] [PATCH net-next v4 4/5] ice: allow matching on meta data

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Date:   Mon, 24 Apr 2023 06:37:32 +0000
From:   "Buvaneswaran, Sujai" <sujai.buvaneswaran@...el.com>
To:     Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC:     "pmenzel@...gen.mpg.de" <pmenzel@...gen.mpg.de>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Simon Horman <simon.horman@...igine.com>
Subject: RE: [Intel-wired-lan] [PATCH net-next v4 4/5] ice: allow matching on
 meta data

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Michal Swiatkowski
> Sent: Friday, April 7, 2023 10:22 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: pmenzel@...gen.mpg.de; netdev@...r.kernel.org; Simon Horman
> <simon.horman@...igine.com>
> Subject: [Intel-wired-lan] [PATCH net-next v4 4/5] ice: allow matching on
> meta data
> 
> Add meta data matching criteria in the same place as protocol matching
> criteria. There is no need to add meta data as special words after parsing all
> lookups. Trade meta data in the same why as other lookups.
> 
> The one difference between meta data lookups and protocol lookups is that
> meta data doesn't impact how the packets looks like. Because of that ignore
> it when filling testing packet.
> 
> Match on tunnel type meta data always if tunnel type is different than
> TNL_LAST.
> 
> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
> Reviewed-by: Piotr Raczynski <piotr.raczynski@...el.com>
> Reviewed-by: Simon Horman <simon.horman@...igine.com>
> ---
>  .../ethernet/intel/ice/ice_protocol_type.h    |   8 +
>  drivers/net/ethernet/intel/ice/ice_switch.c   | 158 +++++++-----------
>  drivers/net/ethernet/intel/ice/ice_switch.h   |   4 +
>  drivers/net/ethernet/intel/ice/ice_tc_lib.c   |  29 +++-
>  drivers/net/ethernet/intel/ice/ice_tc_lib.h   |   1 +
>  5 files changed, 95 insertions(+), 105 deletions(-)
> 
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@...el.com>