incubator-nuttx/include/nuttx/net/loopback.h

121 lines
4.2 KiB
C

/****************************************************************************
* include/nuttx/net/loopback.h
* Definitions for use with local loopback device
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory nutt <gnutt@nuttx.org>
*
* Includes some definitions that a compatible with the LGPL GNU C Library
* header file of the same name.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_NET_LOOPBACK_H
#define __INCLUDE_NUTTX_NET_LOOPBACK_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/net/netconfig.h>
#include <nuttx/net/ip.h>
#ifdef CONFIG_NET_LOOPBACK
/****************************************************************************
* Public Type Definitions
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
#ifdef CONFIG_LIBC_NETDB
/* Local loopback hostname */
EXTERN const char g_lo_hostname[];
#endif
/* Local loopback addresses */
EXTERN const in_addr_t g_lo_ipv4addr;
EXTERN const in_addr_t g_lo_ipv4mask;
EXTERN const net_ipv6addr_t g_lo_ipv6addr;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: localhost_initialize
*
* Description:
* Initialize the Ethernet controller and driver
*
* Parameters:
* intf - In the case where there are multiple EMACs, this value
* identifies which EMAC is to be initialized.
*
* Returned Value:
* OK on success; Negated errno on failure.
*
* Assumptions:
*
****************************************************************************/
#ifdef CONFIG_NETDEV_LOOPBACK
int localhost_initialize(void);
#endif /* CONFIG_NETDEV_LOOPBACK */
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_NET_LOOPBACK */
#endif /* __INCLUDE_NUTTX_NET_LOOPBACK_H */