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82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
/*
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* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for
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* more details.
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*/
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/**
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* @ingroup netdev2
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* @brief Low-level ethernet driver for native tap interfaces
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* @{
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*
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* @file
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* @brief Definitions for @ref netdev2 ethernet driver for host system's
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* TAP interfaces
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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*/
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#ifndef NETDEV2_TAP_H
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#define NETDEV2_TAP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "net/netdev2.h"
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#include "net/ethernet/hdr.h"
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#ifdef __MACH__
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#include "net/if_var.h"
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#else
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#include "net/if.h"
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#endif
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/**
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* @brief tap interface state
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*/
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typedef struct netdev2_tap {
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netdev2_t netdev; /**< netdev2 internal member */
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char tap_name[IFNAMSIZ]; /**< host dev file name */
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int tap_fd; /**< host file descriptor for the TAP */
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uint8_t addr[ETHERNET_ADDR_LEN]; /**< The MAC address of the TAP */
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uint8_t promiscous; /**< Flag for promiscous mode */
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} netdev2_tap_t;
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/**
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* @brief tap interface initialization parameters
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*/
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typedef struct {
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char **tap_name; /**< Name of the host system's tap
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inteface to bind to. */
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} netdev2_tap_params_t;
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/**
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* @brief global device struct. driver only supports one tap device as of now.
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*/
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extern netdev2_tap_t netdev2_tap;
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/**
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* @brief Setup netdev2_tap_t structure.
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*
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* @param dev the preallocated netdev2_tap device handle to setup
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* @param params initialization parameters
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*/
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void netdev2_tap_setup(netdev2_tap_t *dev, const netdev2_tap_params_t *params);
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/**
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* @brief Cleanup tap resources
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*
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* @param dev the netdev2_tap device handle to cleanup
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*/
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void netdev2_tap_cleanup(netdev2_tap_t *dev);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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#endif /* NETDEV2_TAP_H */
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