netdev - RE: [Intel-wired-lan] [PATCH iwl-net] ice: Fix VSI list rule with ICE_SW_LKUP

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Message-ID: <PH0PR11MB5013AC0D9E4C0B43E937956D96CE2@PH0PR11MB5013.namprd11.prod.outlook.com>
Date: Tue, 18 Jun 2024 06:21:19 +0000
From: "Buvaneswaran, Sujai" <sujai.buvaneswaran@...el.com>
To: Marcin Szycik <marcin.szycik@...ux.intel.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>, Michal Swiatkowski
	<michal.swiatkowski@...ux.intel.com>
Subject: RE: [Intel-wired-lan] [PATCH iwl-net] ice: Fix VSI list rule with
 ICE_SW_LKUP_LAST type

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Marcin Szycik
> Sent: Wednesday, June 5, 2024 7:48 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: netdev@...r.kernel.org; Marcin Szycik <marcin.szycik@...ux.intel.com>;
> Kitszel, Przemyslaw <przemyslaw.kitszel@...el.com>; Michal Swiatkowski
> <michal.swiatkowski@...ux.intel.com>
> Subject: [Intel-wired-lan] [PATCH iwl-net] ice: Fix VSI list rule with
> ICE_SW_LKUP_LAST type
> 
> Adding/updating VSI list rule, as well as allocating/freeing VSI list resource
> are called several times with type ICE_SW_LKUP_LAST, which fails because
> ice_update_vsi_list_rule() and ice_aq_alloc_free_vsi_list() consider it invalid.
> Allow calling these functions with ICE_SW_LKUP_LAST.
> 
> This fixes at least one issue in switchdev mode, where the same rule with
> different action cannot be added, e.g.:
> 
>   tc filter add dev $PF1 ingress protocol arp prio 0 flower skip_sw \
>     dst_mac ff:ff:ff:ff:ff:ff action mirred egress redirect dev $VF1_PR
>   tc filter add dev $PF1 ingress protocol arp prio 0 flower skip_sw \
>     dst_mac ff:ff:ff:ff:ff:ff action mirred egress redirect dev $VF2_PR
> 
> Fixes: 0f94570d0cae ("ice: allow adding advanced rules")
> Suggested-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
> Signed-off-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_switch.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@...el.com>