netdev - Re: [PATCH net-next v6 05/10] net: openvswitch: add psample action

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Date: Fri, 28 Jun 2024 20:15:11 +0200
From: Eelco Chaudron <echaudro@...hat.com>
To: Adrian Moreno <amorenoz@...hat.com>
Cc: netdev@...r.kernel.org, aconole@...hat.com, horms@...nel.org,
 i.maximets@....org, dev@...nvswitch.org,
 Donald Hunter <donald.hunter@...il.com>, Jakub Kicinski <kuba@...nel.org>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Paolo Abeni <pabeni@...hat.com>, Pravin B Shelar <pshelar@....org>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v6 05/10] net: openvswitch: add psample action

On 28 Jun 2024, at 13:05, Adrian Moreno wrote:

> Add support for a new action: psample.
>
> This action accepts a u32 group id and a variable-length cookie and uses
> the psample multicast group to make the packet available for
> observability.
>
> The maximum length of the user-defined cookie is set to 16, same as
> tc_cookie, to discourage using cookies that will not be offloadable.
>
> Signed-off-by: Adrian Moreno <amorenoz@...hat.com>

I think this patch looks good. After some offline discussion on alignment with the userspace model, we decided to proceed with a psample() specific action.

With that in mind, and considering the additional changes, this patch looks good to me.

Acked-by: Eelco Chaudron echaudro@...hat.com

Cheers,

Eelco