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206 lines
7.8 KiB
C
206 lines
7.8 KiB
C
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/** @file
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Header file to be included by MnpVlan.c.
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Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __MNP_VLAN_H__
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#define __MNP_VLAN_H__
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#include "MnpDriver.h"
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extern EFI_VLAN_CONFIG_PROTOCOL mVlanConfigProtocolTemplate;
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/**
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Create a child handle for the VLAN ID.
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@param[in] ImageHandle The driver image handle.
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@param[in] ControllerHandle Handle of device to bind driver to.
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@param[in] VlanId The VLAN ID.
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@param[out] Devicepath Pointer to returned device path for child handle.
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@return The handle of VLAN child or NULL if failed to create VLAN child.
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**/
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EFI_HANDLE
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MnpCreateVlanChild (
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IN EFI_HANDLE ImageHandle,
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IN EFI_HANDLE ControllerHandle,
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IN UINT16 VlanId,
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OUT EFI_DEVICE_PATH_PROTOCOL **Devicepath OPTIONAL
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);
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/**
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Remove VLAN tag of a packet.
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@param[in, out] MnpDeviceData Pointer to the mnp device context data.
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@param[in, out] Nbuf Pointer to the NET_BUF to remove VLAN tag.
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@param[out] VlanId Pointer to the returned VLAN ID.
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@retval TRUE VLAN tag is removed from this packet.
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@retval FALSE There is no VLAN tag in this packet.
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**/
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BOOLEAN
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MnpRemoveVlanTag (
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IN OUT MNP_DEVICE_DATA *MnpDeviceData,
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IN OUT NET_BUF *Nbuf,
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OUT UINT16 *VlanId
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);
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/**
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Build the vlan packet to transmit from the TxData passed in.
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@param MnpServiceData Pointer to the mnp service context data.
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@param TxData Pointer to the transmit data containing the
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information to build the packet.
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@param ProtocolType Pointer to the Ethernet protocol type.
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@param Packet Pointer to record the address of the packet.
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@param Length Pointer to a UINT32 variable used to record the
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packet's length.
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**/
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VOID
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MnpInsertVlanTag (
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IN MNP_SERVICE_DATA *MnpServiceData,
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IN EFI_MANAGED_NETWORK_TRANSMIT_DATA *TxData,
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OUT UINT16 *ProtocolType,
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IN OUT UINT8 **Packet,
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IN OUT UINT32 *Length
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);
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/**
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Get VLAN configuration variable.
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@param[in] MnpDeviceData Pointer to the MNP device context data.
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@param[out] NumberOfVlan Pointer to number of VLAN to be returned.
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@param[out] VlanVariable Pointer to the buffer to return requested
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array of VLAN_TCI.
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@retval EFI_SUCCESS The array of VLAN_TCI was returned in VlanVariable
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and number of VLAN was returned in NumberOfVlan.
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@retval EFI_NOT_FOUND VLAN configuration variable not found.
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@retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the configuration.
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**/
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EFI_STATUS
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MnpGetVlanVariable (
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IN MNP_DEVICE_DATA *MnpDeviceData,
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OUT UINTN *NumberOfVlan,
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OUT VLAN_TCI **VlanVariable
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);
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/**
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Set VLAN configuration variable.
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@param[in] MnpDeviceData Pointer to the MNP device context data.
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@param[in] NumberOfVlan Number of VLAN in array VlanVariable.
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@param[in] VlanVariable Pointer to array of VLAN_TCI.
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@retval EFI_SUCCESS The VLAN variable is successfully set.
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@retval EFI_OUT_OF_RESOURCES There is not enough resource to set the configuration.
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**/
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EFI_STATUS
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MnpSetVlanVariable (
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IN MNP_DEVICE_DATA *MnpDeviceData,
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IN UINTN NumberOfVlan,
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IN VLAN_TCI *VlanVariable
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);
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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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EFI_STATUS
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EFIAPI
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VlanConfigSet (
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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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EFI_STATUS
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EFIAPI
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VlanConfigFind (
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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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EFI_STATUS
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EFIAPI
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VlanConfigRemove (
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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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#endif
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