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

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

#include "ice_vsi_vlan_ops.h"
#include "ice_vsi_vlan_lib.h"
#include "ice_vlan_mode.h"
#include "ice.h"
#include "ice_vf_vsi_vlan_ops.h"
#include "ice_sriov.h"

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

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

static void ice_port_vlan_on(struct ice_vsi *vsi)
{ … }

static void ice_port_vlan_off(struct ice_vsi *vsi)
{ … }

/**
 * ice_vf_vsi_enable_port_vlan - Set VSI VLAN ops to support port VLAN
 * @vsi: VF's VSI being configured
 *
 * The function won't create port VLAN, it only allows to create port VLAN
 * using VLAN ops on the VF VSI.
 */
void ice_vf_vsi_enable_port_vlan(struct ice_vsi *vsi)
{ … }

/**
 * ice_vf_vsi_disable_port_vlan - Clear VSI support for creating port VLAN
 * @vsi: VF's VSI being configured
 *
 * The function should be called after removing port VLAN on VSI
 * (using VLAN ops)
 */
void ice_vf_vsi_disable_port_vlan(struct ice_vsi *vsi)
{ … }

/**
 * ice_vf_vsi_init_vlan_ops - Initialize default VSI VLAN ops for VF VSI
 * @vsi: VF's VSI being configured
 *
 * If Double VLAN Mode (DVM) is enabled, assume that the VF supports the new
 * VIRTCHNL_VF_VLAN_OFFLOAD_V2 capability and set up the VLAN ops accordingly.
 * If SVM is enabled maintain the same level of VLAN support previous to
 * VIRTCHNL_VF_VLAN_OFFLOAD_V2.
 */
void ice_vf_vsi_init_vlan_ops(struct ice_vsi *vsi)
{ … }

/**
 * ice_vf_vsi_cfg_dvm_legacy_vlan_mode - Config VLAN mode for old VFs in DVM
 * @vsi: VF's VSI being configured
 *
 * This should only be called when Double VLAN Mode (DVM) is enabled, there
 * is not a port VLAN enabled on this VF, and the VF negotiates
 * VIRTCHNL_VF_OFFLOAD_VLAN.
 *
 * This function sets up the VF VSI's inner and outer ice_vsi_vlan_ops and also
 * initializes software only VLAN mode (i.e. allow all VLANs). Also, use no-op
 * implementations for any functions that may be called during the lifetime of
 * the VF so these methods do nothing and succeed.
 */
void ice_vf_vsi_cfg_dvm_legacy_vlan_mode(struct ice_vsi *vsi)
{ … }

/**
 * ice_vf_vsi_cfg_svm_legacy_vlan_mode - Config VLAN mode for old VFs in SVM
 * @vsi: VF's VSI being configured
 *
 * This should only be called when Single VLAN Mode (SVM) is enabled, there is
 * not a port VLAN enabled on this VF, and the VF negotiates
 * VIRTCHNL_VF_OFFLOAD_VLAN.
 *
 * All of the normal SVM VLAN ops are identical for this case. However, by
 * default Rx VLAN filtering should be turned off by default in this case.
 */
void ice_vf_vsi_cfg_svm_legacy_vlan_mode(struct ice_vsi *vsi)
{ … }