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Date: Fri, 19 Apr 2024 13:28:00 +0100
From: Simon Horman <horms@kernel.org>
To: =?utf-8?Q?Asbj=C3=B8rn_Sloth_T=C3=B8nnesen?= <ast@fiberby.net>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Ioana Ciornei <ioana.ciornei@nxp.com>
Subject: Re: [PATCH net-next] dpaa2-switch: flower: validate control flags
Message-ID: <20240419122800.GY3975545@kernel.org>
References: <20240418161802.189247-1-ast@fiberby.net>
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In-Reply-To: <20240418161802.189247-1-ast@fiberby.net>

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@fiberby.net>

Reviewed-by: Simon Horman <horms@kernel.org>