netdev - Re: [RFC PATCH net-next v2 0/4] ice: PPPoE offload support

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Message-ID: <20220628213942.06210e78@kernel.org>
Date:   Tue, 28 Jun 2022 21:39:42 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Marcin Szycik <marcin.szycik@...ux.intel.com>
Cc:     netdev@...r.kernel.org, anthony.l.nguyen@...el.com,
        davem@...emloft.net, xiyou.wangcong@...il.com,
        jesse.brandeburg@...el.com, gustavoars@...nel.org,
        baowen.zheng@...igine.com, boris.sukholitko@...adcom.com,
        edumazet@...gle.com, jhs@...atatu.com, jiri@...nulli.us,
        kurt@...utronix.de, pablo@...filter.org, pabeni@...hat.com,
        paulb@...dia.com, simon.horman@...igine.com,
        komachi.yoshiki@...il.com, zhangkaiheb@....com,
        intel-wired-lan@...ts.osuosl.org,
        michal.swiatkowski@...ux.intel.com, wojciech.drewek@...el.com,
        alexandr.lobakin@...el.com
Subject: Re: [RFC PATCH net-next v2 0/4] ice: PPPoE offload support

On Tue, 28 Jun 2022 13:29:14 +0200 Marcin Szycik wrote:
> Add support for dissecting PPPoE and PPP-specific fields in flow dissector:
> PPPoE session id and PPP protocol type. Add support for those fields in
> tc-flower and support offloading PPPoE. Finally, add support for hardware
> offload of PPPoE packets in switchdev mode in ice driver.
> 
> Example filter:
> tc filter add dev $PF1 ingress protocol ppp_ses prio 1 flower pppoe_sid \
>     1234 ppp_proto ip skip_sw action mirred egress redirect dev $VF1_PR
> 
> Changes in iproute2 are required to use the new fields (will be submitted
> soon).
> 
> ICE COMMS DDP package is required to create a filter in ice.
> 
> Note: currently matching on vlan + PPPoE fields is not supported. Patch [0]
> will add this feature.

Please make sure to CC Guillaume Nault <gnault@...hat.com> 
and PPP folks from MAINTAINERS.