audk/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrImpl.h

/** @file
  The Mac Connection2 Protocol adapter functions for WiFi Connection Manager.

  Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>

  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef __EFI_WIFI_IMPL__
#define __EFI_WIFI_IMPL__

/**
  Start scan operation, and send out a token to collect available networks.

  @param[in]  Nic                 Pointer to the device data of the selected NIC.

  @retval EFI_SUCCESS             The operation is completed.
  @retval EFI_ALREADY_STARTED     A former scan operation is already ongoing.
  @retval EFI_INVALID_PARAMETER   One or more parameters are invalid.
  @retval EFI_OUT_OF_RESOURCES    Failed to allocate memory.
  @retval Other Errors            Return errors when getting networks from low layer.

**/
EFI_STATUS
WifiMgrStartScan (
  IN      WIFI_MGR_DEVICE_DATA  *Nic
  );

/**
  Get current link state from low layer.

  @param[in]   Nic                Pointer to the device data of the selected NIC.
  @param[out]  LinkState          The pointer to buffer to retrieve link state.

  @retval EFI_SUCCESS             The operation is completed.
  @retval EFI_INVALID_PARAMETER   One or more parameters are invalid.
  @retval EFI_UNSUPPORTED         Adapter information protocol is not supported.
  @retval Other Errors            Returned errors when retrieving link state from low layer.

**/
EFI_STATUS
WifiMgrGetLinkState (
  IN    WIFI_MGR_DEVICE_DATA          *Nic,
  OUT   EFI_ADAPTER_INFO_MEDIA_STATE  *LinkState
  );

/**
  Start connect operation, and send out a token to connect to a target network.

  @param[in]  Nic                 Pointer to the device data of the selected NIC.
  @param[in]  Profile             The target network to be connected.

  @retval EFI_SUCCESS             The operation is completed.
  @retval EFI_ALREADY_STARTED     Already in "connected" state, need to perform a disconnect
                                  operation first.
  @retval EFI_INVALID_PARAMETER   One or more parameters are invalid.
  @retval EFI_OUT_OF_RESOURCES    Failed to allocate memory.
  @retval Other Errors            Return errors when connecting network on low layer.

**/
EFI_STATUS
WifiMgrConnectToNetwork (
  IN    WIFI_MGR_DEVICE_DATA      *Nic,
  IN    WIFI_MGR_NETWORK_PROFILE  *Profile
  );

/**
  Start disconnect operation, and send out a token to disconnect from current connected
  network.

  @param[in]  Nic                 Pointer to the device data of the selected NIC.

  @retval EFI_SUCCESS             The operation is completed.
  @retval EFI_OUT_OF_RESOURCES    Failed to allocate memory.
  @retval Other Errors            Return errors when disconnecting a network on low layer.

**/
EFI_STATUS
WifiMgrDisconnectToNetwork (
  IN    WIFI_MGR_DEVICE_DATA  *Nic
  );

/**
  The state machine of the connection manager, periodically check the state and
  perform a corresponding operation.

  @param[in]  Event                   The timer event to be triggered.
  @param[in]  Context                 The context of the Nic device data.

**/
VOID
EFIAPI
WifiMgrOnTimerTick (
  IN EFI_EVENT  Event,
  IN VOID       *Context
  );

#endif