netdev - RE: [Intel-wired-lan] [PATCH iwl-next] igb: flower: validate control flags

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Message-ID: <CYYPR11MB84298C5B4BC240F9039967ACBD162@CYYPR11MB8429.namprd11.prod.outlook.com>
Date: Fri, 26 Apr 2024 04:57:23 +0000
From: "Pucha, HimasekharX Reddy" <himasekharx.reddy.pucha@...el.com>
To: Asbjørn Sloth Tønnesen <ast@...erby.net>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Eric Dumazet
	<edumazet@...gle.com>, "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, "David S.
 Miller" <davem@...emloft.net>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next] igb: flower: validate control
 flags

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Asbjørn Sloth Tønnesen
> Sent: Tuesday, April 16, 2024 8:14 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org; Eric Dumazet <edumazet@...gle.com>; Nguyen, Anthony L <anthony.l.nguyen@...el.com>; Asbjørn Sloth Tønnesen <ast@...erby.net>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>; David S. Miller <davem@...emloft.net>
> Subject: [Intel-wired-lan] [PATCH iwl-next] igb: flower: validate control flags
>
> 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>
> ---
>  drivers/net/ethernet/intel/igb/igb_main.c | 3 +++
>  1 file changed, 3 insertions(+)
>

Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@...el.com> (A Contingent worker at Intel)