172 lines
5.3 KiB
C
172 lines
5.3 KiB
C
/****************************************************************************
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* net/devif/devif_initialize.c
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*
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* Copyright (C) 2007-2011, 2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Adapted for NuttX from logic in uIP which also has a BSD-like license:
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*
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* Original author Adam Dunkels <adam@dunkels.com>
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* Copyright () 2001-2003, Adam Dunkels.
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* All rights reserved.
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE 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 <nuttx/config.h>
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#ifdef CONFIG_NET
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#include <stdint.h>
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#include <nuttx/clock.h>
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#include <nuttx/net/netstats.h>
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#include <nuttx/net/ip.h>
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#include "devif/devif.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* IP/TCP/UDP/ICMP statistics for all network interfaces */
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#ifdef CONFIG_NET_STATISTICS
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struct net_stats_s g_netstats;
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#endif
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/* Increasing number used for the IP ID field. */
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uint16_t g_ipid;
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#if defined(CONFIG_NET_IPv4) && defined(CONFIG_NET_TCP_REASSEMBLY)
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/* Reassembly timer (units: deci-seconds) */
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uint8_t g_reassembly_timer;
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#endif
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#ifdef CONFIG_NET_IPv6
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const net_ipv6addr_t g_ipv6_alloneaddr = /* An address of all ones */
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{
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff
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};
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const net_ipv6addr_t g_ipv6_allzeroaddr = /* An address of all zeroes */
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{
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
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};
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#if defined(CONFIG_NET_ICMPv6_AUTOCONF) || defined(CONFIG_NET_ICMPv6_ROUTER)
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/* IPv6 Multi-cast IP addresses */
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const net_ipv6addr_t g_ipv6_allnodes = /* All link local nodes */
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{
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HTONS(0xff02),
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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HTONS(0x0001)
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};
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const net_ipv6addr_t g_ipv6_allrouters = /* All link local routers */
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{
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HTONS(0xff02),
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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HTONS(0x0002)
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};
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#ifdef CONFIG_NET_ICMPv6_AUTOCONF
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/* Link-Local Address: Link-local addresses have "1111 1110 10" for the
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* first ten bits followed by 54 zeroes and then the 64 bit interface
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* identifier (typically derived from the data link layer address).
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*/
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const net_ipv6addr_t g_ipv6_llnetmask = /* Netmask for local link address */
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{
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0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000
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};
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#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
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#ifdef CONFIG_NET_ETHERNET
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/* IPv6 Multi-cast Ethernet addresses. Formed from the 16-bit prefix:
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*
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* 0x33:0x33:xx:xx:xx:xx:
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*
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* and the last 32-bits of the IPv6 IP address
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*/
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const struct ether_addr g_ipv6_ethallnodes = /* All link local nodes */
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{
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{ 0x33, 0x33, 0x00, 0x00, 0x00, 0x01 }
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};
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const struct ether_addr g_ipv6_ethallrouters = /* All link local routers */
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{
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{ 0x33, 0x33, 0x00, 0x00, 0x00, 0x02 }
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};
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#endif /* CONFIG_NET_ETHERNET */
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#endif /* CONFIG_NET_ICMPv6_AUTOCONF || CONFIG_NET_ICMPv6_ROUTER */
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#endif /* CONFIG_NET_IPv4 */
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: devif_initialize
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*
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* Description:
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* Perform initialization of the network device interface layer
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*
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* Parameters:
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* None
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*
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* Return:
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* None
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*
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****************************************************************************/
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void devif_initialize(void)
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{
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/* Initialize the time of the last timer poll */
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g_polltime = clock_systimer();
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/* Initialize callback support */
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devif_callback_init();
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}
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#endif /* CONFIG_NET */
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