netdev - [iwl-net v1] ice: block SF port creation in legacy mode

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Message-ID: <20241004065526.7306-1-michal.swiatkowski@linux.intel.com>
Date: Fri,  4 Oct 2024 08:55:26 +0200
From: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
	przemyslaw.kitszel@...el.com
Subject: [iwl-net v1] ice: block SF port creation in legacy mode

There is no support for SF in legacy mode. Reflect it in the code.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Fixes: eda69d654c7e ("ice: add basic devlink subfunctions support")
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
---
 drivers/net/ethernet/intel/ice/devlink/devlink_port.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
index 928c8bdb6649..c6779d9dffff 100644
--- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
+++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
@@ -989,5 +989,11 @@ ice_devlink_port_new(struct devlink *devlink,
 	if (err)
 		return err;
 
+	if (!ice_is_eswitch_mode_switchdev(pf)) {
+		NL_SET_ERR_MSG_MOD(extack,
+				   "SF ports are only supported in eswitch switchdev mode");
+		return -EOPNOTSUPP;
+	}
+
 	return ice_alloc_dynamic_port(pf, new_attr, extack, devlink_port);
 }
-- 
2.42.0