From: Andrew Lunn <andrew@lunn.ch>
To: Vadym Kochan <vadym.kochan@plvision.eu>
Cc: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
netdev@vger.kernel.org, Jiri Pirko <jiri@mellanox.com>,
Vladimir Oltean <olteanv@gmail.com>,
Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>,
Serhiy Boiko <serhiy.boiko@plvision.eu>,
Taras Chornyi <tchornyi@marvell.com>,
linux-kernel@vger.kernel.org,
Mickey Rachamim <mickeyr@marvell.com>,
Vadym Kochan <vkochan@marvell.com>
Subject: Re: [RFC net-next 0/4] Marvell Prestera add policer support
Date: Fri, 2 Jul 2021 20:52:43 +0200 [thread overview]
Message-ID: <YN9ge12XzhZCdBNj@lunn.ch> (raw)
In-Reply-To: <20210702182915.1035-1-vadym.kochan@plvision.eu>
On Fri, Jul 02, 2021 at 09:29:11PM +0300, Vadym Kochan wrote:
> From: Vadym Kochan <vkochan@marvell.com>
>
> Offload action police when keyed to a flower classifier.
> Only rate and burst is supported for now. The conform-exceed
> drop is assumed as a default value.
>
> Policer support requires FW 3.1 version. Because there are some FW ABI
> differences in ACL rule messages between 3.0 and 3.1 so added separate
> "_ext" struct version with separate HW helper.
This driver is less than a year old, and it is on its third ABI break?
It is accumulating more and more cruft as you need to handle old and
new messages. Maybe you should take a harder look into your crystal
ball and try to figure out an ABI which you can use for 12 months or
more? Or just directly address the hardware, and skip the firmware?
Andrew
next prev parent reply other threads:[~2021-07-02 18:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-02 18:29 [RFC net-next 0/4] Marvell Prestera add policer support Vadym Kochan
2021-07-02 18:29 ` [RFC net-next 1/4] net: marvell: prestera: do not fail if FW reply is bigger Vadym Kochan
2021-07-02 18:29 ` [RFC net-next 2/4] net: marvell: prestera: turn FW supported versions into an array Vadym Kochan
2021-07-02 18:29 ` [RFC net-next 3/4] net: sched: introduce __tc_classid_to_hwtc() helper Vadym Kochan
2021-07-02 18:29 ` [RFC net-next 4/4] net: marvell: prestera: Offload FLOW_ACTION_POLICE Vadym Kochan
2021-07-02 21:19 ` kernel test robot
2021-07-02 18:52 ` Andrew Lunn [this message]
2021-07-02 19:16 ` [RFC net-next 0/4] Marvell Prestera add policer support Vadym Kochan
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