netdev - Re: [PATCH net-next v3 04/10] net: sched: notify classifier on successful offload add/delete

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Message-ID: <20190826155144.GD2309@nanopsycho.orion>
Date:   Mon, 26 Aug 2019 17:51:44 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Vlad Buslov <vladbu@...lanox.com>
Cc:     netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        davem@...emloft.net, jakub.kicinski@...ronome.com,
        pablo@...filter.org
Subject: Re: [PATCH net-next v3 04/10] net: sched: notify classifier on
 successful offload add/delete

Mon, Aug 26, 2019 at 03:45:00PM CEST, vladbu@...lanox.com wrote:
>To remove dependency on rtnl lock, extend classifier ops with new
>ops->hw_add() and ops->hw_del() callbacks. Call them from cls API while
>holding cb_lock every time filter if successfully added to or deleted from
>hardware.
>
>Implement the new API in flower classifier. Use it to manage hw_filters
>list under cb_lock protection, instead of relying on rtnl lock to
>synchronize with concurrent fl_reoffload() call.
>
>Signed-off-by: Vlad Buslov <vladbu@...lanox.com>

Acked-by: Jiri Pirko <jiri@...lanox.com>