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

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c
Extension
.c
Size
7799 bytes
Lines
249
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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)
{
	return 0;
}

static int
noop_vlan(struct ice_vsi __always_unused *vsi)
{
	return 0;
}

static void ice_port_vlan_on(struct ice_vsi *vsi)
{
	struct ice_vsi_vlan_ops *vlan_ops;
	struct ice_pf *pf = vsi->back;

	/* setup inner VLAN ops */
	vlan_ops = &vsi->inner_vlan_ops;

	if (ice_is_dvm_ena(&pf->hw)) {
		vlan_ops->add_vlan = noop_vlan_arg;
		vlan_ops->del_vlan = noop_vlan_arg;
		vlan_ops->ena_stripping = ice_vsi_ena_inner_stripping;
		vlan_ops->dis_stripping = ice_vsi_dis_inner_stripping;
		vlan_ops->ena_insertion = ice_vsi_ena_inner_insertion;
		vlan_ops->dis_insertion = ice_vsi_dis_inner_insertion;

		/* setup outer VLAN ops */
		vlan_ops = &vsi->outer_vlan_ops;
		vlan_ops->set_port_vlan = ice_vsi_set_outer_port_vlan;
		vlan_ops->clear_port_vlan = ice_vsi_clear_outer_port_vlan;
	} else {
		vlan_ops->set_port_vlan = ice_vsi_set_inner_port_vlan;
		vlan_ops->clear_port_vlan = ice_vsi_clear_inner_port_vlan;
	}

	/* all Rx traffic should be in the domain of the assigned port VLAN,
	 * so prevent disabling Rx VLAN filtering
	 */
	vlan_ops->dis_rx_filtering = noop_vlan;

	vlan_ops->ena_rx_filtering = ice_vsi_ena_rx_vlan_filtering;
}

static void ice_port_vlan_off(struct ice_vsi *vsi)
{
	struct ice_vsi_vlan_ops *vlan_ops;
	struct ice_pf *pf = vsi->back;

	/* setup inner VLAN ops */
	vlan_ops = &vsi->inner_vlan_ops;

	vlan_ops->ena_stripping = ice_vsi_ena_inner_stripping;
	vlan_ops->dis_stripping = ice_vsi_dis_inner_stripping;
	vlan_ops->ena_insertion = ice_vsi_ena_inner_insertion;
	vlan_ops->dis_insertion = ice_vsi_dis_inner_insertion;

	if (ice_is_dvm_ena(&pf->hw)) {
		vlan_ops = &vsi->outer_vlan_ops;

		vlan_ops->del_vlan = ice_vsi_del_vlan;
		vlan_ops->ena_stripping = ice_vsi_ena_outer_stripping;
		vlan_ops->dis_stripping = ice_vsi_dis_outer_stripping;
		vlan_ops->ena_insertion = ice_vsi_ena_outer_insertion;
		vlan_ops->dis_insertion = ice_vsi_dis_outer_insertion;
	} else {
		vlan_ops->del_vlan = ice_vsi_del_vlan;
	}

	vlan_ops->dis_rx_filtering = ice_vsi_dis_rx_vlan_filtering;

	if (!test_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags))
		vlan_ops->ena_rx_filtering = noop_vlan;
	else
		vlan_ops->ena_rx_filtering =
			ice_vsi_ena_rx_vlan_filtering;
}

Annotation

Implementation Notes