netdev - Re: [PATCH net-next v2 7/7] net: sched: call reoffload op on block callback reg

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Message-ID: <20180625213717.GO2161@nanopsycho>
Date:   Mon, 25 Jun 2018 23:37:17 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     davem@...emloft.net, xiyou.wangcong@...il.com, jhs@...atatu.com,
        gerlitz.or@...il.com, netdev@...r.kernel.org,
        oss-drivers@...ronome.com, John Hurley <john.hurley@...ronome.com>
Subject: Re: [PATCH net-next v2 7/7] net: sched: call reoffload op on block
 callback reg

Mon, Jun 25, 2018 at 11:30:10PM CEST, jakub.kicinski@...ronome.com wrote:
>From: John Hurley <john.hurley@...ronome.com>
>
>Call the reoffload tcf_proto_op on all tcf_proto nodes in all chains of a
>block when a callback tries to register to a block that already has
>offloaded rules. If all existing rules cannot be offloaded then the
>registration is rejected. This replaces the previous policy of rejecting
>such callback registration outright.
>
>On unregistration of a callback, the rules are flushed for that given cb.
>The implementation of block sharing in the NFP driver, for example,
>duplicates shared rules to all devs bound to a block. This meant that
>rules could still exist in hw even after a device is unbound from a block
>(assuming the block still remains active).
>
>Signed-off-by: John Hurley <john.hurley@...ronome.com>
>Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>

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