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Diffstat (limited to 'nuttx/include/net/if.h')
| -rw-r--r-- | nuttx/include/net/if.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/nuttx/include/net/if.h b/nuttx/include/net/if.h new file mode 100644 index 000000000..e64b58563 --- /dev/null +++ b/nuttx/include/net/if.h @@ -0,0 +1,133 @@ +/******************************************************************************************* + * 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 __INCLUDE_NET_IF_H +#define __INCLUDE_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 /* __INCLUDE_NET_IF_H */ |