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[mirror_edk2.git] / NetworkPkg / MnpDxe / MnpVlan.h

/** @file\r
  Header file to be included by MnpVlan.c.\r
\r
Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __MNP_VLAN_H__\r
#define __MNP_VLAN_H__\r
\r
#include "MnpDriver.h"\r
\r
extern EFI_VLAN_CONFIG_PROTOCOL  mVlanConfigProtocolTemplate;\r
\r
/**\r
  Create a child handle for the VLAN ID.\r
\r
  @param[in]       ImageHandle        The driver image handle.\r
  @param[in]       ControllerHandle   Handle of device to bind driver to.\r
  @param[in]       VlanId             The VLAN ID.\r
  @param[out]      Devicepath         Pointer to returned device path for child handle.\r
\r
  @return The handle of VLAN child or NULL if failed to create VLAN child.\r
\r
**/\r
EFI_HANDLE\r
MnpCreateVlanChild (\r
  IN     EFI_HANDLE             ImageHandle,\r
  IN     EFI_HANDLE             ControllerHandle,\r
  IN     UINT16                 VlanId,\r
  OUT EFI_DEVICE_PATH_PROTOCOL  **Devicepath OPTIONAL\r
  );\r
\r
/**\r
  Remove VLAN tag of a packet.\r
\r
  @param[in, out]  MnpDeviceData      Pointer to the mnp device context data.\r
  @param[in, out]  Nbuf               Pointer to the NET_BUF to remove VLAN tag.\r
  @param[out]      VlanId             Pointer to the returned VLAN ID.\r
\r
  @retval TRUE             VLAN tag is removed from this packet.\r
  @retval FALSE            There is no VLAN tag in this packet.\r
\r
**/\r
BOOLEAN\r
MnpRemoveVlanTag (\r
  IN OUT MNP_DEVICE_DATA  *MnpDeviceData,\r
  IN OUT NET_BUF          *Nbuf,\r
  OUT UINT16              *VlanId\r
  );\r
\r
/**\r
  Build the vlan packet to transmit from the TxData passed in.\r
\r
  @param  MnpServiceData         Pointer to the mnp service context data.\r
  @param  TxData                 Pointer to the transmit data containing the\r
                                 information to build the packet.\r
  @param  ProtocolType           Pointer to the Ethernet protocol type.\r
  @param  Packet                 Pointer to record the address of the packet.\r
  @param  Length                 Pointer to a UINT32 variable used to record the\r
                                 packet's length.\r
\r
**/\r
VOID\r
MnpInsertVlanTag (\r
  IN     MNP_SERVICE_DATA                   *MnpServiceData,\r
  IN     EFI_MANAGED_NETWORK_TRANSMIT_DATA  *TxData,\r
  OUT UINT16                                *ProtocolType,\r
  IN OUT UINT8                              **Packet,\r
  IN OUT UINT32                             *Length\r
  );\r
\r
/**\r
  Get VLAN configuration variable.\r
\r
  @param[in]       MnpDeviceData      Pointer to the MNP device context data.\r
  @param[out]      NumberOfVlan       Pointer to number of VLAN to be returned.\r
  @param[out]      VlanVariable       Pointer to the buffer to return requested\r
                                      array of VLAN_TCI.\r
\r
  @retval EFI_SUCCESS            The array of VLAN_TCI was returned in VlanVariable\r
                                 and number of VLAN was returned in NumberOfVlan.\r
  @retval EFI_NOT_FOUND          VLAN configuration variable not found.\r
  @retval EFI_OUT_OF_RESOURCES   There is not enough pool memory to store the configuration.\r
\r
**/\r
EFI_STATUS\r
MnpGetVlanVariable (\r
  IN     MNP_DEVICE_DATA  *MnpDeviceData,\r
  OUT UINTN               *NumberOfVlan,\r
  OUT VLAN_TCI            **VlanVariable\r
  );\r
\r
/**\r
  Set VLAN configuration variable.\r
\r
  @param[in] MnpDeviceData       Pointer to the MNP device context data.\r
  @param[in] NumberOfVlan        Number of VLAN in array VlanVariable.\r
  @param[in] VlanVariable        Pointer to array of VLAN_TCI.\r
\r
  @retval EFI_SUCCESS            The VLAN variable is successfully set.\r
  @retval EFI_OUT_OF_RESOURCES   There is not enough resource to set the configuration.\r
\r
**/\r
EFI_STATUS\r
MnpSetVlanVariable (\r
  IN MNP_DEVICE_DATA  *MnpDeviceData,\r
  IN UINTN            NumberOfVlan,\r
  IN VLAN_TCI         *VlanVariable\r
  );\r
\r
/**\r
  Create a VLAN device or modify the configuration parameter of an\r
  already-configured VLAN.\r
\r
  The Set() function is used to create a new VLAN device or change the VLAN\r
  configuration parameters. If the VlanId hasn't been configured in the\r
  physical Ethernet device, a new VLAN device will be created. If a VLAN with\r
  this VlanId is already configured, then related configuration will be updated\r
  as the input parameters.\r
\r
  If VlanId is zero, the VLAN device will send and receive untagged frames.\r
  Otherwise, the VLAN device will send and receive VLAN-tagged frames containing the VlanId.\r
  If VlanId is out of scope of (0-4094), EFI_INVALID_PARAMETER is returned.\r
  If Priority is out of the scope of (0-7), then EFI_INVALID_PARAMETER is returned.\r
  If there is not enough system memory to perform the registration, then\r
  EFI_OUT_OF_RESOURCES is returned.\r
\r
  @param[in] This                Points to the EFI_VLAN_CONFIG_PROTOCOL.\r
  @param[in] VlanId              A unique identifier (1-4094) of the VLAN which is being created\r
                                 or modified, or zero (0).\r
  @param[in] Priority            3 bit priority in VLAN header. Priority 0 is default value. If\r
                                 VlanId is zero (0), Priority is ignored.\r
\r
  @retval EFI_SUCCESS            The VLAN is successfully configured.\r
  @retval EFI_INVALID_PARAMETER  One or more of following conditions is TRUE:\r
                                 - This is NULL.\r
                                 - VlanId is an invalid VLAN Identifier.\r
                                 - Priority is invalid.\r
  @retval EFI_OUT_OF_RESOURCES   There is not enough system memory to perform the registration.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
VlanConfigSet (\r
  IN EFI_VLAN_CONFIG_PROTOCOL  *This,\r
  IN UINT16                    VlanId,\r
  IN UINT8                     Priority\r
  );\r
\r
/**\r
  Find configuration information for specified VLAN or all configured VLANs.\r
\r
  The Find() function is used to find the configuration information for matching\r
  VLAN and allocate a buffer into which those entries are copied.\r
\r
  @param[in]  This               Points to the EFI_VLAN_CONFIG_PROTOCOL.\r
  @param[in]  VlanId             Pointer to VLAN identifier. Set to NULL to find all\r
                                 configured VLANs.\r
  @param[out] NumberOfVlan       The number of VLANs which is found by the specified criteria.\r
  @param[out] Entries            The buffer which receive the VLAN configuration.\r
\r
  @retval EFI_SUCCESS            The VLAN is successfully found.\r
  @retval EFI_INVALID_PARAMETER  One or more of following conditions is TRUE:\r
                                 - This is NULL.\r
                                 - Specified VlanId is invalid.\r
  @retval EFI_NOT_FOUND          No matching VLAN is found.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
VlanConfigFind (\r
  IN     EFI_VLAN_CONFIG_PROTOCOL  *This,\r
  IN     UINT16                    *VlanId OPTIONAL,\r
  OUT UINT16                       *NumberOfVlan,\r
  OUT EFI_VLAN_FIND_DATA           **Entries\r
  );\r
\r
/**\r
  Remove the configured VLAN device.\r
\r
  The Remove() function is used to remove the specified VLAN device.\r
  If the VlanId is out of the scope of (0-4094), EFI_INVALID_PARAMETER is returned.\r
  If specified VLAN hasn't been previously configured, EFI_NOT_FOUND is returned.\r
\r
  @param[in] This                Points to the EFI_VLAN_CONFIG_PROTOCOL.\r
  @param[in] VlanId              Identifier (0-4094) of the VLAN to be removed.\r
\r
  @retval EFI_SUCCESS            The VLAN is successfully removed.\r
  @retval EFI_INVALID_PARAMETER  One or more of following conditions is TRUE:\r
                                 - This is NULL.\r
                                 - VlanId  is an invalid parameter.\r
  @retval EFI_NOT_FOUND          The to-be-removed VLAN does not exist.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
VlanConfigRemove (\r
  IN EFI_VLAN_CONFIG_PROTOCOL  *This,\r
  IN UINT16                    VlanId\r
  );\r
\r
#endif\r