+++ /dev/null
-/**
- * @file
- *
- * AutoIP Automatic LinkLocal IP Configuration
- */
-
-/*
- *
- * Copyright (c) 2007 Dominik Spies <kontakt@dspies.de>
- * All rights reserved.
- *
- * 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. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- *
- * Author: Dominik Spies <kontakt@dspies.de>
- *
- * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
- * with RFC 3927.
- *
- *
- * Please coordinate changes and requests with Dominik Spies
- * <kontakt@dspies.de>
- */
-
-#ifndef __LWIP_AUTOIP_H__
-#define __LWIP_AUTOIP_H__
-
-#include "lwip/opt.h"
-
-#if LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */
-
-#include "lwip/netif.h"
-#include "lwip/udp.h"
-#include "netif/etharp.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* AutoIP Timing */
-#define AUTOIP_TMR_INTERVAL 100
-#define AUTOIP_TICKS_PER_SECOND (1000 / AUTOIP_TMR_INTERVAL)
-
-/* RFC 3927 Constants */
-#define PROBE_WAIT 1 /* second (initial random delay) */
-#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
-#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
-#define PROBE_NUM 3 /* (number of probe packets) */
-#define ANNOUNCE_NUM 2 /* (number of announcement packets) */
-#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
-#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
-#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
-#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
-#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
-
-/* AutoIP client states */
-#define AUTOIP_STATE_OFF 0
-#define AUTOIP_STATE_PROBING 1
-#define AUTOIP_STATE_ANNOUNCING 2
-#define AUTOIP_STATE_BOUND 3
-
-struct autoip
-{
- ip_addr_t llipaddr; /* the currently selected, probed, announced or used LL IP-Address */
- u8_t state; /* current AutoIP state machine state */
- u8_t sent_num; /* sent number of probes or announces, dependent on state */
- u16_t ttw; /* ticks to wait, tick is AUTOIP_TMR_INTERVAL long */
- u8_t lastconflict; /* ticks until a conflict can be solved by defending */
- u8_t tried_llipaddr; /* total number of probed/used Link Local IP-Addresses */
-};
-
-
-#define autoip_init() /* Compatibility define, no init needed. */
-
-/** Set a struct autoip allocated by the application to work with */
-void autoip_set_struct(struct netif *netif, struct autoip *autoip);
-
-/** Start AutoIP client */
-err_t autoip_start(struct netif *netif);
-
-/** Stop AutoIP client */
-err_t autoip_stop(struct netif *netif);
-
-/** Handles every incoming ARP Packet, called by etharp_arp_input */
-void autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr);
-
-/** Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds */
-void autoip_tmr(void);
-
-/** Handle a possible change in the network configuration */
-void autoip_network_changed(struct netif *netif);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* LWIP_AUTOIP */
-
-#endif /* __LWIP_AUTOIP_H__ */
projects / reactos.git / blobdiff