netdev - Re: [net-next PATCH 3/4] net: sched: cls_u32 add bit to specify software only rules

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Message-ID: <20160224102907.05aa8e42@griffin>
Date:	Wed, 24 Feb 2016 10:29:07 +0100
From:	Jiri Benc <jbenc@...hat.com>
To:	John Fastabend <john.fastabend@...il.com>
Cc:	Jiri Pirko <jiri@...nulli.us>, "Amir Vadai\"" <amir@...ai.me>,
	daniel@...earbox.net, netdev@...r.kernel.org,
	alexei.starovoitov@...il.com, davem@...emloft.net, jhs@...atatu.com
Subject: Re: [net-next PATCH 3/4] net: sched: cls_u32 add bit to specify
 software only rules

On Wed, 24 Feb 2016 00:55:55 -0800, John Fastabend wrote:
> The flags however likely stays with with TCA_U32_FLAGS until there is
> some better way to group common attributes in 'tc' framework.

That's pretty bad, as this is uAPI and will need to be supported
forever. And having a different attribute in every filter won't ease
things for user space tools. I'd say we need the "better way" to be
added before this patchset.

 Jiri