linux-kernel - Re: [PATCH net-next] net: hns3: flower: validate control flags

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Date: Wed, 24 Apr 2024 21:04:17 +0800
From: Jijie Shao <shaojijie@...wei.com>
To: Asbjørn Sloth Tønnesen <ast@...erby.net>,
	<netdev@...r.kernel.org>
CC: <shaojijie@...wei.com>, <linux-kernel@...r.kernel.org>, "David S. Miller"
	<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Yisen Zhuang
	<yisen.zhuang@...wei.com>, Salil Mehta <salil.mehta@...wei.com>
Subject: Re: [PATCH net-next] net: hns3: flower: validate control flags


on 2024/4/22 23:27, Asbjørn Sloth Tønnesen wrote:
> This driver currently doesn't support any control flags.
>
> Use flow_rule_has_control_flags() to check for control flags,
> such as can be set through `tc flower ... ip_flags frag`.
>
> In case any control flags are masked, flow_rule_has_control_flags()
> sets a NL extended error message, and we return -EOPNOTSUPP.
>
> Also propagate extack to hclge_get_cls_key_ip(), and convert it to
> return error code.
>
> Only compile-tested.
>
> Signed-off-by: Asbjørn Sloth Tønnesen <ast@...erby.net>
> ---

Thanks,
Tested-by: Jijie Shao<shaojijie@...wei.com>