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Message-ID: <YwircDhHhOfqdHy/@nanopsycho> Date: Fri, 26 Aug 2022 13:16:00 +0200 From: Jiri Pirko <jiri@...nulli.us> To: Wojciech Drewek <wojciech.drewek@...el.com> Cc: netdev@...r.kernel.org, alexandr.lobakin@...el.com, jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, jhs@...atatu.com, xiyou.wangcong@...il.com, marcin.szycik@...ux.intel.com, michal.swiatkowski@...ux.intel.com, kurt@...utronix.de, boris.sukholitko@...adcom.com, vladbu@...dia.com, komachi.yoshiki@...il.com, paulb@...dia.com, baowen.zheng@...igine.com, louis.peens@...igine.com, simon.horman@...igine.com, pablo@...filter.org, maksym.glubokiy@...ision.eu, intel-wired-lan@...ts.osuosl.org, jchapman@...alix.com, gnault@...hat.com Subject: Re: [RFC PATCH net-next 0/5] ice: L2TPv3 offload support Fri, Aug 26, 2022 at 01:00:54PM CEST, wojciech.drewek@...el.com wrote: >Add support for dissecting L2TPv3 session id in flow dissector. Add support >for this field in tc-flower and support offloading L2TPv3. Finally, add >support for hardware offload of L2TPv3 packets based on session id in >switchdev mode in ice driver. > >Example filter: > # tc filter add dev $PF1 ingress prio 1 protocol ip \ > flower \ > ip_proto l2tp \ > l2tpv3_sid 1234 \ > skip_sw \ > action mirred egress redirect dev $VF1_PR > >Changes in iproute2 are required to use the new fields. > >ICE COMMS DDP package is required to create a filter in ice. I don't understand what do you mean by this. Could you please explain what this mysterious "ICE COMMS DDP package" is? Do I understand it correctly that without it, the solution would not work? > >Marcin Szycik (1): > ice: Add L2TPv3 hardware offload support > >Wojciech Drewek (4): > uapi: move IPPROTO_L2TP to in.h > flow_dissector: Add L2TPv3 dissectors > net/sched: flower: Add L2TPv3 filter > flow_offload: Introduce flow_match_l2tpv3 > > .../ethernet/intel/ice/ice_protocol_type.h | 8 +++ > drivers/net/ethernet/intel/ice/ice_switch.c | 70 ++++++++++++++++++- > drivers/net/ethernet/intel/ice/ice_tc_lib.c | 27 ++++++- > drivers/net/ethernet/intel/ice/ice_tc_lib.h | 6 ++ > include/net/flow_dissector.h | 9 +++ > include/net/flow_offload.h | 6 ++ > include/uapi/linux/in.h | 2 + > include/uapi/linux/l2tp.h | 2 - > include/uapi/linux/pkt_cls.h | 2 + > net/core/flow_dissector.c | 28 ++++++++ > net/core/flow_offload.c | 7 ++ > net/sched/cls_flower.c | 16 +++++ > 12 files changed, 179 insertions(+), 4 deletions(-) > >-- >2.31.1 >
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