incubator-nuttx/net/inet/inet_globals.c

120 lines
3.7 KiB
C

/****************************************************************************
* net/inet/inet_globals.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <arpa/inet.h>
#include <nuttx/net/ip.h>
#ifdef CONFIG_NET_ETHERNET
# include <net/ethernet.h>
#endif
#include "inet/inet.h"
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef CONFIG_NET_IPv6
/* Unspecified address (all zero). See RFC 4291 (replaces 3513) */
const net_ipv6addr_t g_ipv6_unspecaddr = /* An address of all zeroes */
{
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
};
/* IPv6 Multi-cast IP addresses. See RFC 2375 */
const net_ipv6addr_t g_ipv6_allnodes = /* All link local nodes */
{
HTONS(0xff02),
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
HTONS(0x0001)
};
#if defined(CONFIG_NET_ICMPv6_AUTOCONF) || defined(CONFIG_NET_ICMPv6_ROUTER) || \
defined(CONFIG_NET_MLD)
const net_ipv6addr_t g_ipv6_allrouters = /* All link local routers */
{
HTONS(0xff02),
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
HTONS(0x0002)
};
#ifdef CONFIG_NET_ICMPv6_AUTOCONF
/* Link-Local Address: Link-local addresses have "1111 1110 10" for the
* first ten bits followed by 54 zeroes and then the 64 bit interface
* identifier (typically derived from the link layer MAC address).
*/
const net_ipv6addr_t g_ipv6_llnetmask = /* Netmask for local link address */
{
0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000
};
#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
#ifdef CONFIG_NET_MLD
/* Version 2 Multicast Listener Reports are sent with an IP destination
* address of FF02:0:0:0:0:0:0:16 on which all MLDv2-capable multicast
* routers listen (RFC 3810)
*/
const net_ipv6addr_t g_ipv6_allmldv2routers = /* All MLDv2 link local routers */
{
HTONS(0xff02),
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
HTONS(0x0016)
};
#endif
#ifdef CONFIG_NET_ETHERNET
/* IPv6 Multi-cast Ethernet addresses. Formed from the 16-bit prefix:
*
* 0x33:0x33:xx:xx:xx:xx:
*
* and the last 32-bits of the IPv6 IP address
*/
const struct ether_addr g_ipv6_ethallnodes = /* All link local nodes */
{
{ 0x33, 0x33, 0x00, 0x00, 0x00, 0x01 }
};
const struct ether_addr g_ipv6_ethallrouters = /* All link local routers */
{
{ 0x33, 0x33, 0x00, 0x00, 0x00, 0x02 }
};
#endif /* CONFIG_NET_ETHERNET */
#endif /* CONFIG_NET_ICMPv6_AUTOCONF || CONFIG_NET_ICMPv6_ROUTER || CONFIG_NET_MLD */
#endif /* CONFIG_NET_IPv6 */
/****************************************************************************
* Public Functions
****************************************************************************/