190 lines
6.6 KiB
C
190 lines
6.6 KiB
C
/****************************************************************************
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* examples/udp/udp_netinit.c
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*
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* Copyright (C) 2007, 2011, 2015, 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include "config.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <debug.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include "netutils/netlib.h"
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#include "udp.h"
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#ifdef CONFIG_EXAMPLES_UDP_NETINIT
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_EXAMPLES_UDP_DEVNAME
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# define DEVNAME CONFIG_EXAMPLES_UDP_DEVNAME
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#else
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# define DEVNAME "eth0"
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#if defined(CONFIG_EXAMPLES_UDP_IPv6) && !defined(CONFIG_NET_ICMPv6_AUTOCONF)
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/* Our host IPv6 address */
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static const uint16_t g_ipv6_hostaddr[8];
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/* Default routine IPv6 address */
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static const uint16_t g_ipv6_draddr[8];
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/* IPv6 netmask */
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static const uint16_t g_ipv6_netmask[8];
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#endif /* CONFIG_EXAMPLES_UDP_IPv6 && !CONFIG_NET_ICMPv6_AUTOCONF */
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static bool g_initialized;
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* udp_netinit
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****************************************************************************/
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int udp_netinit(void)
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{
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#if defined(CONFIG_EXAMPLES_UDP_IPv6) && !defined(CONFIG_NET_ICMPv6_AUTOCONF)
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/* Our host IPv6 address */
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g_ipv6_hostaddr[0] = HTONS(CONFIG_EXAMPLES_UDP_IPv6ADDR_1);
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g_ipv6_hostaddr[1] = HTONS(CONFIG_EXAMPLES_UDP_IPv6ADDR_2);
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g_ipv6_hostaddr[2] = HTONS(CONFIG_EXAMPLES_UDP_IPv6ADDR_3);
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g_ipv6_hostaddr[3] = HTONS(CONFIG_EXAMPLES_UDP_IPv6ADDR_4);
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g_ipv6_hostaddr[4] = HTONS(CONFIG_EXAMPLES_UDP_IPv6ADDR_5);
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g_ipv6_hostaddr[5] = HTONS(CONFIG_EXAMPLES_UDP_IPv6ADDR_6);
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g_ipv6_hostaddr[6] = HTONS(CONFIG_EXAMPLES_UDP_IPv6ADDR_7);
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g_ipv6_hostaddr[7] = HTONS(CONFIG_EXAMPLES_UDP_IPv6ADDR_8);
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/* Default routine IPv6 address */
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g_ipv6_draddr[0] = HTONS(CONFIG_EXAMPLES_UDP_DRIPv6ADDR_1);
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g_ipv6_draddr[1] = HTONS(CONFIG_EXAMPLES_UDP_DRIPv6ADDR_2);
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g_ipv6_draddr[2] = HTONS(CONFIG_EXAMPLES_UDP_DRIPv6ADDR_3);
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g_ipv6_draddr[3] = HTONS(CONFIG_EXAMPLES_UDP_DRIPv6ADDR_4);
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g_ipv6_draddr[4] = HTONS(CONFIG_EXAMPLES_UDP_DRIPv6ADDR_5);
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g_ipv6_draddr[5] = HTONS(CONFIG_EXAMPLES_UDP_DRIPv6ADDR_6);
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g_ipv6_draddr[6] = HTONS(CONFIG_EXAMPLES_UDP_DRIPv6ADDR_7);
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g_ipv6_draddr[7] = HTONS(CONFIG_EXAMPLES_UDP_DRIPv6ADDR_8);
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/* IPv6 netmask */
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g_ipv6_netmask[0] = HTONS(CONFIG_EXAMPLES_UDP_IPv6NETMASK_1);
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g_ipv6_netmask[1] = HTONS(CONFIG_EXAMPLES_UDP_IPv6NETMASK_2);
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g_ipv6_netmask[2] = HTONS(CONFIG_EXAMPLES_UDP_IPv6NETMASK_3);
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g_ipv6_netmask[3] = HTONS(CONFIG_EXAMPLES_UDP_IPv6NETMASK_4);
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g_ipv6_netmask[4] = HTONS(CONFIG_EXAMPLES_UDP_IPv6NETMASK_5);
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g_ipv6_netmask[5] = HTONS(CONFIG_EXAMPLES_UDP_IPv6NETMASK_6);
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g_ipv6_netmask[6] = HTONS(CONFIG_EXAMPLES_UDP_IPv6NETMASK_7);
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g_ipv6_netmask[7] = HTONS(CONFIG_EXAMPLES_UDP_IPv6NETMASK_8);
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#endif /* CONFIG_EXAMPLES_UDP_IPv6 && !CONFIG_NET_ICMPv6_AUTOCONF */
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if (!g_initialized)
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{
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#ifdef CONFIG_EXAMPLES_UDP_IPv6
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#ifdef CONFIG_NET_ICMPv6_AUTOCONF
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/* Perform ICMPv6 auto-configuration */
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netlib_icmpv6_autoconfiguration(DEVNAME);
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#else /* CONFIG_NET_ICMPv6_AUTOCONF */
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/* Set up our fixed host address */
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netlib_set_ipv6addr(DEVNAME,
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(FAR const struct in6_addr *)g_ipv6_hostaddr);
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/* Set up the default router address */
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netlib_set_dripv6addr(DEVNAME,
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(FAR const struct in6_addr *)g_ipv6_draddr);
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/* Setup the subnet mask */
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netlib_set_ipv6netmask(DEVNAME,
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(FAR const struct in6_addr *)g_ipv6_netmask);
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#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
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#else /* CONFIG_EXAMPLES_UDP_IPv6 */
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struct in_addr addr;
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/* Set up our host address */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_UDP_IPADDR);
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netlib_set_ipv4addr(DEVNAME, &addr);
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/* Set up the default router address */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_UDP_DRIPADDR);
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netlib_set_dripv4addr(DEVNAME, &addr);
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/* Setup the subnet mask */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_UDP_NETMASK);
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netlib_set_ipv4netmask(DEVNAME, &addr);
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#endif /* CONFIG_EXAMPLES_UDP_IPv6 */
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/* New versions of netlib_set_ipvXaddr will not bring the network up,
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* So ensure the network is really up at this point.
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*/
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netlib_ifup(DEVNAME);
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g_initialized = true;
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}
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return 0;
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}
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#endif /* CONFIG_EXAMPLES_UDP_NETINIT */
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