netdev - Re: [PATCH net-next v5 5/6] flow_offload: support get flow

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Message-ID: <20190801195614.0742c12b@cakuba.netronome.com>
Date:   Thu, 1 Aug 2019 19:56:14 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     wenxu <wenxu@...oud.cn>
Cc:     jiri@...nulli.us, pablo@...filter.org, fw@...len.de,
        netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
        John Hurley <john.hurley@...ronome.com>
Subject: Re: [PATCH net-next v5 5/6] flow_offload: support get flow_block
 immediately

On Fri, 2 Aug 2019 10:47:26 +0800, wenxu wrote:
> > After all the same device may have both a TC block and a NFT block.  
> 
> Only one subsystem can be used for the same device for both indr-dev and hw-dev
> the flow_block_cb_is_busy avoid the situation you mentioned.

AFAIU that's a temporary limitation until drivers learn to manage
multiple tables.