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/*******************************************************************************************
* include/net/if.h
*
* Copyright (C) 2007, 2008, 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 __NET_IF_H
#define __NET_IF_H
/*******************************************************************************************
* Included Files
*******************************************************************************************/
#include <sys/socket.h>
/*******************************************************************************************
* Pre-Processor Definitions
*******************************************************************************************/
/* Sizing parameters */
#define IFNAMSIZ 6 /* Older naming standard */
#define IF_NAMESIZE 6 /* Newer naming standard */
#define IFHWADDRLEN 6
/*******************************************************************************************
* Public Type Definitions
*******************************************************************************************/
/* This is the newer form if the I/F request structure that can be used with both IPv4
* and IPv6.
*/
struct lifreq
{
char lifr_name[IFNAMSIZ]; /* Network device name (e.g. "eth0") */
union
{
struct sockaddr_storage lifru_addr; /* IP Address */
struct sockaddr_storage lifru_dstaddr; /* P-to-P Address */
struct sockaddr_storage lifru_broadaddr; /* Broadcast address */
struct sockaddr_storage lifru_netmask; /* Netmask */
struct sockaddr lifru_hwaddr; /* MAC address */
int lifru_count; /* Number of devices */
int lifru_mtu; /* MTU size */
} lifr_ifru;
};
#define lifr_addr lifr_ifru.lifru_addr /* IP address */
#define lifr_dstaddr lifr_ifru.lifru_dstaddr /* P-to-P Address */
#define lifr_broadaddr lifr_ifru.lifru_broadaddr /* Broadcast address */
#define lifr_netmask lifr_ifru.lifru_netmask /* Interface net mask */
#define lifr_hwaddr lifr_ifru.lifru_hwaddr /* MAC address */
#define lifr_mtu lifr_ifru.lifru_mtu /* MTU */
#define lifr_count lifr_ifru.lifru_count /* Number of devices */
/* This is the older I/F request that should only be used with IPv4. However, since
* NuttX only supports IPv4 or 6 (not both), we can force the older structure to
* be compatible when IPv6 is enabled.
*/
#ifndef CONFIG_NET_IPv6
struct ifreq
{
char ifr_name[IFNAMSIZ]; /* Network device name (e.g. "eth0") */
union
{
struct sockaddr ifru_addr; /* IP Address */
struct sockaddr ifru_dstaddr; /* P-to-P Address */
struct sockaddr ifru_broadaddr; /* Broadcast address */
struct sockaddr ifru_netmask; /* Netmask */
struct sockaddr ifru_hwaddr; /* MAC address */
int ifru_count; /* Number of devices */
int ifru_mtu; /* MTU size */
} ifr_ifru;
};
#define ifr_addr ifr_ifru.ifru_addr /* IP address */
#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* P-to-P Address */
#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* Broadcast address */
#define ifr_netmask ifr_ifru.ifru_netmask /* Interface net mask */
#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
#define ifr_mtu ifr_ifru.ifru_mtu /* MTU */
#define ifr_count ifr_ifru.ifru_count /* Number of devices */
#else /* CONFIG_NET_IPv6 */
#define ifreq lifreq /* Replace ifreq with lifreq */
#define ifr_name lifr_name /* Network device name */
#define ifr_addr lifr_ifru.lifru_addr /* IP address */
#define ifr_dstaddr lifr_ifru.lifru_dstaddr /* P-to-P Address */
#define ifr_broadaddr lifr_ifru.lifru_broadaddr /* Broadcast address */
#define ifr_netmask lifr_ifru.lifru_netmask /* Interface net mask */
#define ifr_hwaddr lifr_ifru.lifru_hwaddr /* MAC address */
#define ifr_mtu lifr_ifru.lifru_mtu /* MTU */
#define ifr_count lifr_ifru.lifru_count /* Number of devices */
#endif /* CONFIG_NET_IPv6 */
/*******************************************************************************************
* Public Function Prototypes
*******************************************************************************************/
#endif /* __NET_IF_H */
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