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RIOT/cpu/native/include/netdev_tap.h 1.72 KB
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  /*
   * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
   *
   * This file is subject to the terms and conditions of the GNU Lesser General
   * Public License v2.1. See the file LICENSE in the top level directory for
   * more details.
   */
  
  /**
   * @ingroup     netdev
   * @brief       Low-level ethernet driver for native tap interfaces
   * @{
   *
   * @file
   * @brief       Definitions for @ref netdev ethernet driver for host system's
   *              TAP interfaces
   *
   * @author      Kaspar Schleiser <kaspar@schleiser.de>
   */
  #ifndef NETDEV_TAP_H
  #define NETDEV_TAP_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include <stdint.h>
  #include "net/netdev.h"
  
  #include "net/ethernet/hdr.h"
  
  #ifdef __MACH__
  #include "net/if_var.h"
  #else
  #include "net/if.h"
  #endif
  
  /**
   * @brief tap interface state
   */
  typedef struct netdev_tap {
      netdev_t netdev;                    /**< netdev internal member */
      char tap_name[IFNAMSIZ];            /**< host dev file name */
      int tap_fd;                         /**< host file descriptor for the TAP */
      uint8_t addr[ETHERNET_ADDR_LEN];    /**< The MAC address of the TAP */
      uint8_t promiscous;                 /**< Flag for promiscous mode */
  } netdev_tap_t;
  
  /**
   * @brief tap interface initialization parameters
   */
  typedef struct {
      char **tap_name;                    /**< Name of the host system's tap
                                               inteface to bind to. */
  } netdev_tap_params_t;
  
  /**
   * @brief Setup netdev_tap_t structure.
   *
   * @param dev       the preallocated netdev_tap device handle to setup
   * @param params    initialization parameters
   */
  void netdev_tap_setup(netdev_tap_t *dev, const netdev_tap_params_t *params);
  
  #ifdef __cplusplus
  }
  #endif
  /** @} */
  #endif /* NETDEV_TAP_H */