netdev - Re: [Intel-wired-lan] [PATCH iwl-next v4 0/7] Add PFCP filter support

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Date: Mon, 11 Dec 2023 13:38:48 +0100
From: Alexander Lobakin <aleksander.lobakin@...el.com>
To: Tony Nguyen <anthony.l.nguyen@...el.com>, Marcin Szycik
	<marcin.szycik@...ux.intel.com>
CC: <jiri@...nulli.us>, <andy@...nel.org>, <wojciech.drewek@...el.com>,
	<netdev@...r.kernel.org>, <idosch@...dia.com>, <jesse.brandeburg@...el.com>,
	<michal.swiatkowski@...ux.intel.com>, <simon.horman@...igine.com>,
	<kuba@...nel.org>, <pabeni@...hat.com>, <davem@...emloft.net>,
	<intel-wired-lan@...ts.osuosl.org>
Subject: Re: [Intel-wired-lan] [PATCH iwl-next v4 0/7] Add PFCP filter support

From: Tony Nguyen <anthony.l.nguyen@...el.com>
Date: Fri, 8 Dec 2023 13:34:10 -0800

> 
> 
> On 12/7/2023 8:49 AM, Marcin Szycik wrote:
>> Add support for creating PFCP filters in switchdev mode. Add pfcp module
>> that allows to create a PFCP-type netdev. The netdev then can be
>> passed to
>> tc when creating a filter to indicate that PFCP filter should be created.
>>
>> To add 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 \
>>      1:12ab/ff:fffffffffffffff0 skip_hw action mirred egress redirect \
>>      dev pfcp0
>>
>> Changes in iproute2 [1] are required to use pfcp_opts in tc.
>>
>> ICE COMMS package is required as it contains PFCP profiles.
>>
>> Part of this patchset modifies IP_TUNNEL_*_OPTs, which were previously
>> stored in a __be16. All possible values have already been used, making it
>> impossible to add new ones.
>>
>> [1]
>> https://lore.kernel.org/netdev/20230614091758.11180-1-marcin.szycik@linux.intel.com
>> ---
>> This patchset should be applied on top of the "boys" tree [2], as it
>> depends on recent bitmap changes.
> 
> Is this for comment only (RFC)? This doesn't seem to apply to iwl-next
> and if this based on, and has dependencies from, another tree, I can't
> apply them here.

It's not an RFC.
The series contains generic code changes and must go directly through
net-next. The dependency on the bitmap tree was discussed with Jakub and
Yury and we agreed that the netdev guys will pull it before applying
this one.

Thanks,
Olek