netdev - Re: [PATCH net-next 1/3] flow_offload: allow user to offload tc action to net device

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Message-ID: <2eb7375d-3609-3d94-994a-b16f6940b010@mojatatu.com>
Date:   Tue, 3 Aug 2021 07:45:13 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     Vlad Buslov <vladbu@...dia.com>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...lanox.com>, netdev@...r.kernel.org,
        oss-drivers@...igine.com, Baowen Zheng <baowen.zheng@...igine.com>,
        Louis Peens <louis.peens@...igine.com>,
        Ido Schimmel <idosch@...dia.com>,
        Jiri Pirko <jiri@...nulli.us>, Roopa Prabhu <roopa@...dia.com>
Subject: Re: [PATCH net-next 1/3] flow_offload: allow user to offload tc
 action to net device

On 2021-08-03 7:36 a.m., Simon Horman wrote:
> On Tue, Aug 03, 2021 at 06:14:08AM -0400, Jamal Hadi Salim wrote:
>> On 2021-07-30 9:20 a.m., Simon Horman wrote:

[..]

>> Example of something you could show was adding a policer,
>> like so:
>>
>> tc actions add action ... skip_sw...
>>
>> then show get or dump showing things in h/w.
>> And del..
>>
>> And i certainly hope that the above works and it is
>> not meant just for the consumption of some OVS use
>> case.
> 
> I agree it would be useful to include a tc cli example in the cover letter.
> I'll see about making that so in v2.
> 

Thanks. That will remove 95% of my commentary.
Check my other comment on the user space notification.
I was just looking at the way classifiers handle things from this
perspective and they dont return to cls_api until completion so
the notification gets sent after both h/w and software succeed...

cheers,
jamal