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138 lines
5.1 KiB
C
138 lines
5.1 KiB
C
/** @file
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EFI VLAN Config protocol is to provide manageability interface for VLAN configuration.
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Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This Protocol is introduced in UEFI Specification 2.2
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**/
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#ifndef __EFI_VLANCONFIG_PROTOCOL_H__
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#define __EFI_VLANCONFIG_PROTOCOL_H__
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#define EFI_VLAN_CONFIG_PROTOCOL_GUID \
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{ \
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0x9e23d768, 0xd2f3, 0x4366, {0x9f, 0xc3, 0x3a, 0x7a, 0xba, 0x86, 0x43, 0x74 } \
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}
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typedef struct _EFI_VLAN_CONFIG_PROTOCOL EFI_VLAN_CONFIG_PROTOCOL;
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///
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/// EFI_VLAN_FIND_DATA
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///
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typedef struct {
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UINT16 VlanId; ///< Vlan Identifier.
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UINT8 Priority; ///< Priority of this VLAN.
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} EFI_VLAN_FIND_DATA;
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/**
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Create a VLAN device or modify the configuration parameter of an
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already-configured VLAN.
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The Set() function is used to create a new VLAN device or change the VLAN
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configuration parameters. If the VlanId hasn't been configured in the
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physical Ethernet device, a new VLAN device will be created. If a VLAN with
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this VlanId is already configured, then related configuration will be updated
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as the input parameters.
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If VlanId is zero, the VLAN device will send and receive untagged frames.
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Otherwise, the VLAN device will send and receive VLAN-tagged frames containing the VlanId.
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If VlanId is out of scope of (0-4094), EFI_INVALID_PARAMETER is returned.
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If Priority is out of the scope of (0-7), then EFI_INVALID_PARAMETER is returned.
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If there is not enough system memory to perform the registration, then
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EFI_OUT_OF_RESOURCES is returned.
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@param[in] This Points to the EFI_VLAN_CONFIG_PROTOCOL.
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@param[in] VlanId A unique identifier (1-4094) of the VLAN which is being created
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or modified, or zero (0).
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@param[in] Priority 3 bit priority in VLAN header. Priority 0 is default value. If
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VlanId is zero (0), Priority is ignored.
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@retval EFI_SUCCESS The VLAN is successfully configured.
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@retval EFI_INVALID_PARAMETER One or more of following conditions is TRUE:
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- This is NULL.
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- VlanId is an invalid VLAN Identifier.
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- Priority is invalid.
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@retval EFI_OUT_OF_RESOURCES There is not enough system memory to perform the registration.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_VLAN_CONFIG_SET)(
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IN EFI_VLAN_CONFIG_PROTOCOL *This,
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IN UINT16 VlanId,
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IN UINT8 Priority
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);
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/**
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Find configuration information for specified VLAN or all configured VLANs.
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The Find() function is used to find the configuration information for matching
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VLAN and allocate a buffer into which those entries are copied.
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@param[in] This Points to the EFI_VLAN_CONFIG_PROTOCOL.
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@param[in] VlanId Pointer to VLAN identifier. Set to NULL to find all
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configured VLANs.
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@param[out] NumberOfVlan The number of VLANs which is found by the specified criteria.
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@param[out] Entries The buffer which receive the VLAN configuration.
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@retval EFI_SUCCESS The VLAN is successfully found.
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@retval EFI_INVALID_PARAMETER One or more of following conditions is TRUE:
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- This is NULL.
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- Specified VlanId is invalid.
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@retval EFI_NOT_FOUND No matching VLAN is found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_VLAN_CONFIG_FIND)(
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IN EFI_VLAN_CONFIG_PROTOCOL *This,
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IN UINT16 *VlanId OPTIONAL,
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OUT UINT16 *NumberOfVlan,
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OUT EFI_VLAN_FIND_DATA **Entries
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);
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/**
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Remove the configured VLAN device.
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The Remove() function is used to remove the specified VLAN device.
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If the VlanId is out of the scope of (0-4094), EFI_INVALID_PARAMETER is returned.
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If specified VLAN hasn't been previously configured, EFI_NOT_FOUND is returned.
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@param[in] This Points to the EFI_VLAN_CONFIG_PROTOCOL.
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@param[in] VlanId Identifier (0-4094) of the VLAN to be removed.
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@retval EFI_SUCCESS The VLAN is successfully removed.
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@retval EFI_INVALID_PARAMETER One or more of following conditions is TRUE:
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- This is NULL.
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- VlanId is an invalid parameter.
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@retval EFI_NOT_FOUND The to-be-removed VLAN does not exist.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_VLAN_CONFIG_REMOVE)(
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IN EFI_VLAN_CONFIG_PROTOCOL *This,
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IN UINT16 VlanId
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);
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///
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/// EFI_VLAN_CONFIG_PROTOCOL
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/// provide manageability interface for VLAN setting. The intended
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/// VLAN tagging implementation is IEEE802.1Q.
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///
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struct _EFI_VLAN_CONFIG_PROTOCOL {
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EFI_VLAN_CONFIG_SET Set;
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EFI_VLAN_CONFIG_FIND Find;
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EFI_VLAN_CONFIG_REMOVE Remove;
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};
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extern EFI_GUID gEfiVlanConfigProtocolGuid;
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#endif
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