netdev - RE: [Intel-wired-lan] [PATCH iwl-next v6 02/12] ice: Prohibit rx mode change in switchdev mode

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Message-ID: <PH0PR11MB501303EB1AA03881E6A36EBB963CA@PH0PR11MB5013.namprd11.prod.outlook.com>
Date: Sat, 22 Jul 2023 06:44:17 +0000
From: "Buvaneswaran, Sujai" <sujai.buvaneswaran@...el.com>
To: "Drewek, Wojciech" <wojciech.drewek@...el.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "pmenzel@...gen.mpg.de" <pmenzel@...gen.mpg.de>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "vladbu@...dia.com" <vladbu@...dia.com>,
	"kuba@...nel.org" <kuba@...nel.org>, "simon.horman@...igine.com"
	<simon.horman@...igine.com>, "dan.carpenter@...aro.org"
	<dan.carpenter@...aro.org>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next v6 02/12] ice: Prohibit rx mode
 change in switchdev mode

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Wojciech Drewek
> Sent: Wednesday, July 12, 2023 4:33 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: pmenzel@...gen.mpg.de; netdev@...r.kernel.org; vladbu@...dia.com;
> kuba@...nel.org; simon.horman@...igine.com; dan.carpenter@...aro.org
> Subject: [Intel-wired-lan] [PATCH iwl-next v6 02/12] ice: Prohibit rx mode
> change in switchdev mode
> 
> Don't allow to change promisc mode in switchdev mode.
> When switchdev is configured, PF netdev is set to be a default VSI. This is
> needed for the slow-path to work correctly.
> All the unmatched packets will be directed to PF netdev.
> 
> It is possible that this setting might be overwritten by ndo_set_rx_mode.
> Prevent this by checking if switchdev is enabled in ice_set_rx_mode.
> 
> Reviewed-by: Paul Menzel <pmenzel@...gen.mpg.de>
> Reviewed-by: Simon Horman <simon.horman@...igine.com>
> Signed-off-by: Wojciech Drewek <wojciech.drewek@...el.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@...el.com>