1 files changed, 61 insertions, 40 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c
index b102db8b829a..3cfa071e3718 100644
--- a/drivers/net/ethernet/intel/ice/ice_eswitch.c
+++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c
@@ -117,17 +117,10 @@ static int ice_eswitch_setup_repr(struct ice_pf *pf, struct ice_repr *repr)
 	struct ice_vsi *vsi = repr->src_vsi;
 	struct metadata_dst *dst;
 
-	ice_remove_vsi_fltr(&pf->hw, vsi->idx);
 	repr->dst = metadata_dst_alloc(0, METADATA_HW_PORT_MUX,
 				       GFP_KERNEL);
 	if (!repr->dst)
-		goto err_add_mac_fltr;
-
-	if (ice_vsi_update_security(vsi, ice_vsi_ctx_clear_antispoof))
-		goto err_dst_free;
-
-	if (ice_vsi_add_vlan_zero(vsi))
-		goto err_update_security;
+		return -ENOMEM;
 
 	netif_keep_dst(uplink_vsi->netdev);
 
@@ -136,16 +129,48 @@ static int ice_eswitch_setup_repr(struct ice_pf *pf, struct ice_repr *repr)
 	dst->u.port_info.lower_dev = uplink_vsi->netdev;
 
 	return 0;
+}
 
-err_update_security:
+/**
+ * ice_eswitch_cfg_vsi - configure VSI to work in slow-path
+ * @vsi: VSI structure of representee
+ * @mac: representee MAC
+ *
+ * Return: 0 on success, non-zero on error.
+ */
+int ice_eswitch_cfg_vsi(struct ice_vsi *vsi, const u8 *mac)
+{
+	int err;
+
+	ice_remove_vsi_fltr(&vsi->back->hw, vsi->idx);
+
+	err = ice_vsi_update_security(vsi, ice_vsi_ctx_clear_antispoof);
+	if (err)
+		goto err_update_security;
+
+	err = ice_vsi_add_vlan_zero(vsi);
+	if (err)
+		goto err_vlan_zero;
+
+	return 0;
+
+err_vlan_zero:
 	ice_vsi_update_security(vsi, ice_vsi_ctx_set_antispoof);
-err_dst_free:
-	metadata_dst_free(repr->dst);
-	repr->dst = NULL;
-err_add_mac_fltr:
-	ice_fltr_add_mac_and_broadcast(vsi, repr->parent_mac, ICE_FWD_TO_VSI);
+err_update_security:
+	ice_fltr_add_mac_and_broadcast(vsi, mac, ICE_FWD_TO_VSI);
 
-	return -ENODEV;
+	return err;
+}
+
+/**
+ * ice_eswitch_decfg_vsi - unroll changes done to VSI for switchdev
+ * @vsi: VSI structure of representee
+ * @mac: representee MAC
+ */
+void ice_eswitch_decfg_vsi(struct ice_vsi *vsi, const u8 *mac)
+{
+	ice_vsi_update_security(vsi, ice_vsi_ctx_set_antispoof);
+	ice_fltr_add_mac_and_broadcast(vsi, mac, ICE_FWD_TO_VSI);
 }
 
 /**
@@ -153,16 +178,16 @@ err_add_mac_fltr:
  * @repr_id: representor ID
  * @vsi: VSI for which port representor is configured
  */
-void ice_eswitch_update_repr(unsigned long repr_id, struct ice_vsi *vsi)
+void ice_eswitch_update_repr(unsigned long *repr_id, struct ice_vsi *vsi)
 {
 	struct ice_pf *pf = vsi->back;
 	struct ice_repr *repr;
-	int ret;
+	int err;
 
 	if (!ice_is_switchdev_running(pf))
 		return;
 
-	repr = xa_load(&pf->eswitch.reprs, repr_id);
+	repr = xa_load(&pf->eswitch.reprs, *repr_id);
 	if (!repr)
 		return;
 
@@ -172,12 +197,19 @@ void ice_eswitch_update_repr(unsigned long repr_id, struct ice_vsi *vsi)
 	if (repr->br_port)
 		repr->br_port->vsi = vsi;
 
-	ret = ice_vsi_update_security(vsi, ice_vsi_ctx_clear_antispoof);
-	if (ret) {
-		ice_fltr_add_mac_and_broadcast(vsi, repr->parent_mac,
-					       ICE_FWD_TO_VSI);
+	err = ice_eswitch_cfg_vsi(vsi, repr->parent_mac);
+	if (err)
 		dev_err(ice_pf_to_dev(pf), "Failed to update VSI of port representor %d",
 			repr->id);
+
+	/* The VSI number is different, reload the PR with new id */
+	if (repr->id != vsi->vsi_num) {
+		xa_erase(&pf->eswitch.reprs, repr->id);
+		repr->id = vsi->vsi_num;
+		if (xa_insert(&pf->eswitch.reprs, repr->id, repr, GFP_KERNEL))
+			dev_err(ice_pf_to_dev(pf), "Failed to reload port representor %d",
+				repr->id);
+		*repr_id = repr->id;
 	}
 }
 
@@ -423,6 +455,7 @@ static void ice_eswitch_start_reprs(struct ice_pf *pf)
 int
 ice_eswitch_attach(struct ice_pf *pf, struct ice_vf *vf)
 {
+	struct devlink *devlink = priv_to_devlink(pf);
 	struct ice_repr *repr;
 	int err;
 
@@ -437,7 +470,9 @@ ice_eswitch_attach(struct ice_pf *pf, struct ice_vf *vf)
 
 	ice_eswitch_stop_reprs(pf);
 
+	devl_lock(devlink);
 	repr = ice_repr_add_vf(vf);
+	devl_unlock(devlink);
 	if (IS_ERR(repr)) {
 		err = PTR_ERR(repr);
 		goto err_create_repr;
@@ -460,7 +495,9 @@ ice_eswitch_attach(struct ice_pf *pf, struct ice_vf *vf)
 err_xa_alloc:
 	ice_eswitch_release_repr(pf, repr);
 err_setup_repr:
+	devl_lock(devlink);
 	ice_repr_rem_vf(repr);
+	devl_unlock(devlink);
 err_create_repr:
 	if (xa_empty(&pf->eswitch.reprs))
 		ice_eswitch_disable_switchdev(pf);
@@ -484,6 +521,7 @@ void ice_eswitch_detach(struct ice_pf *pf, struct ice_vf *vf)
 		ice_eswitch_disable_switchdev(pf);
 
 	ice_eswitch_release_repr(pf, repr);
+	devl_lock(devlink);
 	ice_repr_rem_vf(repr);
 
 	if (xa_empty(&pf->eswitch.reprs)) {
@@ -491,28 +529,11 @@ void ice_eswitch_detach(struct ice_pf *pf, struct ice_vf *vf)
 		 * no point in keeping the nodes
 		 */
 		ice_devlink_rate_clear_tx_topology(ice_get_main_vsi(pf));
-		devl_lock(devlink);
 		devl_rate_nodes_destroy(devlink);
-		devl_unlock(devlink);
 	} else {
 		ice_eswitch_start_reprs(pf);
 	}
-}
-
-/**
- * ice_eswitch_rebuild - rebuild eswitch
- * @pf: pointer to PF structure
- */
-void ice_eswitch_rebuild(struct ice_pf *pf)
-{
-	struct ice_repr *repr;
-	unsigned long id;
-
-	if (!ice_is_switchdev_running(pf))
-		return;
-
-	xa_for_each(&pf->eswitch.reprs, id, repr)
-		ice_eswitch_detach(pf, repr->vf);
+	devl_unlock(devlink);
 }
 
 /**