linux/drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2019-2021, Intel Corporation. */

#include "ice_pf_vsi_vlan_ops.h"
#include "ice_vf_vsi_vlan_ops.h"
#include "ice_sf_vsi_vlan_ops.h"
#include "ice_lib.h"
#include "ice.h"

static int
op_unsupported_vlan_arg(struct ice_vsi * __always_unused vsi,
			struct ice_vlan * __always_unused vlan)
{ … }

static int
op_unsupported_tpid_arg(struct ice_vsi *__always_unused vsi,
			u16 __always_unused tpid)
{ … }

static int op_unsupported(struct ice_vsi *__always_unused vsi)
{ … }

/* If any new ops are added to the VSI VLAN ops interface then an unsupported
 * implementation should be set here.
 */
static struct ice_vsi_vlan_ops ops_unsupported = …;

/**
 * ice_vsi_init_unsupported_vlan_ops - init all VSI VLAN ops to unsupported
 * @vsi: VSI to initialize VSI VLAN ops to unsupported for
 *
 * By default all inner and outer VSI VLAN ops return -EOPNOTSUPP. This was done
 * as oppsed to leaving the ops null to prevent unexpected crashes. Instead if
 * an unsupported VSI VLAN op is called it will just return -EOPNOTSUPP.
 *
 */
static void ice_vsi_init_unsupported_vlan_ops(struct ice_vsi *vsi)
{ … }

/**
 * ice_vsi_init_vlan_ops - initialize type specific VSI VLAN ops
 * @vsi: VSI to initialize ops for
 *
 * If any VSI types are added and/or require different ops than the PF or VF VSI
 * then they will have to add a case here to handle that. Also, VSI type
 * specific files should be added in the same manner that was done for PF VSI.
 */
void ice_vsi_init_vlan_ops(struct ice_vsi *vsi)
{ … }

/**
 * ice_get_compat_vsi_vlan_ops - Get VSI VLAN ops based on VLAN mode
 * @vsi: VSI used to get the VSI VLAN ops
 *
 * This function is meant to be used when the caller doesn't know which VLAN ops
 * to use (i.e. inner or outer). This allows backward compatibility for VLANs
 * since most of the Outer VSI VLAN functins are not supported when
 * the device is configured in Single VLAN Mode (SVM).
 */
struct ice_vsi_vlan_ops *ice_get_compat_vsi_vlan_ops(struct ice_vsi *vsi)
{ … }