netdev - RE: [Intel-wired-lan] [PATCH net-next v10 7/7] ice: Support GTP-U and GTP-C offload in switchdev

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Date:   Thu, 10 Mar 2022 10:38:17 +0000
From:   "Penigalapati, Sandeep" <sandeep.penigalapati@...el.com>
To:     Marcin Szycik <marcin.szycik@...ux.intel.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "jiri@...nulli.us" <jiri@...nulli.us>,
        "xiyou.wangcong@...il.com" <xiyou.wangcong@...il.com>,
        "osmocom-net-gprs@...ts.osmocom.org" 
        <osmocom-net-gprs@...ts.osmocom.org>,
        "jhs@...atatu.com" <jhs@...atatu.com>,
        "laforge@...monks.org" <laforge@...monks.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "pablo@...filter.org" <pablo@...filter.org>
Subject: RE: [Intel-wired-lan] [PATCH net-next v10 7/7] ice: Support GTP-U and
 GTP-C offload in switchdev

>-----Original Message-----
>From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
>Marcin Szycik
>Sent: Friday, March 4, 2022 10:11 PM
>To: netdev@...r.kernel.org
>Cc: jiri@...nulli.us; xiyou.wangcong@...il.com; osmocom-net-
>gprs@...ts.osmocom.org; jhs@...atatu.com; laforge@...monks.org; intel-
>wired-lan@...ts.osuosl.org; kuba@...nel.org; davem@...emloft.net;
>pablo@...filter.org
>Subject: [Intel-wired-lan] [PATCH net-next v10 7/7] ice: Support GTP-U and
>GTP-C offload in switchdev
>
>Add support for creating filters for GTP-U and GTP-C in switchdev mode. Add
>support for parsing GTP-specific options (QFI and PDU type) and TEID.
>
>By default, a filter for GTP-U will be added. To add a filter for GTP-C, specify
>enc_dst_port = 2123, e.g.:
>
>tc filter add dev $GTP0 ingress prio 1 flower enc_key_id 1337 \ enc_dst_port
>2123 action mirred egress redirect dev $VF1_PR
>
>Note: GTP-U with outer IPv6 offload is not supported yet.
>Note: GTP-U with no payload offload is not supported yet.
>
>Signed-off-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
>---
>v7: Fix ice_get_sw_prof_type kernel-doc
>v9: Fix GTP-C dummy packet selection, GTP-C IPv6 offload working
>v10: Rebase
>---
> drivers/net/ethernet/intel/ice/ice.h          |   1 +
> .../net/ethernet/intel/ice/ice_flex_pipe.c    |  31 +-
> .../net/ethernet/intel/ice/ice_flex_type.h    |   6 +-
> .../ethernet/intel/ice/ice_protocol_type.h    |  19 +
> drivers/net/ethernet/intel/ice/ice_switch.c   | 604 +++++++++++++++++-
> drivers/net/ethernet/intel/ice/ice_switch.h   |   9 +
> drivers/net/ethernet/intel/ice/ice_tc_lib.c   | 105 ++-
> drivers/net/ethernet/intel/ice/ice_tc_lib.h   |   3 +
> 8 files changed, 760 insertions(+), 18 deletions(-)
>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@...el.com>