linux-kernel - Re: [PATCH net-next] dpaa2-switch: flower: validate control flags

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Message-ID: <od4mb3t53s4feadbtjc74ayh4phv7yv7p6dqot5ylqockcnqin@vnsdvzn4tmlj>
Date: Fri, 19 Apr 2024 19:18:57 +0300
From: Ioana Ciornei <ioana.ciornei@....com>
To: Asbjørn Sloth Tønnesen <ast@...erby.net>
Cc: netdev@...r.kernel.org, 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>
Subject: Re: [PATCH net-next] dpaa2-switch: flower: validate control flags

On Thu, Apr 18, 2024 at 04:18:01PM +0000, Asbjørn Sloth Tønnesen wrote:
> This driver currently doesn't support any control flags.
> 
> Use flow_rule_match_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_match_has_control_flags()
> sets a NL extended error message, and we return -EOPNOTSUPP.
> 
> Only compile-tested.
> 
> Signed-off-by: Asbjørn Sloth Tønnesen <ast@...erby.net>

Reviewed-by: Ioana Ciornei <ioana.ciornei@....com>
Tested-by: Ioana Ciornei <ioana.ciornei@....com>