Mike Pulice / ublox_C200Test

Integrating the ublox LISA C200 modem

Fork of SprintUSBModemHTTPClientTest by Donatien Garnier

SprintUSBModem/lwip/include/ipv4/lwip/autoip.h@5:3f93dd1d4cb3, 2013-09-26 (annotated)

Committer:
sam_grove
Date:
Thu Sep 26 00:44:20 2013 -0500
Revision:
5:3f93dd1d4cb3
Exported program and replaced contents of the repo with the source

to build and debug using keil mdk. Libs NOT upto date are lwip, lwip-sys

and socket. these have newer versions under mbed_official but were starting

from a know working point

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 5:3f93dd1d4cb3 1 /**
sam_grove 5:3f93dd1d4cb3 2 * @file
sam_grove 5:3f93dd1d4cb3 3 *
sam_grove 5:3f93dd1d4cb3 4 * AutoIP Automatic LinkLocal IP Configuration
sam_grove 5:3f93dd1d4cb3 5 */
sam_grove 5:3f93dd1d4cb3 6
sam_grove 5:3f93dd1d4cb3 7 /*
sam_grove 5:3f93dd1d4cb3 8 *
sam_grove 5:3f93dd1d4cb3 9 * Copyright (c) 2007 Dominik Spies <kontakt@dspies.de>
sam_grove 5:3f93dd1d4cb3 10 * All rights reserved.
sam_grove 5:3f93dd1d4cb3 11 *
sam_grove 5:3f93dd1d4cb3 12 * Redistribution and use in source and binary forms, with or without modification,
sam_grove 5:3f93dd1d4cb3 13 * are permitted provided that the following conditions are met:
sam_grove 5:3f93dd1d4cb3 14 *
sam_grove 5:3f93dd1d4cb3 15 * 1. Redistributions of source code must retain the above copyright notice,
sam_grove 5:3f93dd1d4cb3 16 * this list of conditions and the following disclaimer.
sam_grove 5:3f93dd1d4cb3 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
sam_grove 5:3f93dd1d4cb3 18 * this list of conditions and the following disclaimer in the documentation
sam_grove 5:3f93dd1d4cb3 19 * and/or other materials provided with the distribution.
sam_grove 5:3f93dd1d4cb3 20 * 3. The name of the author may not be used to endorse or promote products
sam_grove 5:3f93dd1d4cb3 21 * derived from this software without specific prior written permission.
sam_grove 5:3f93dd1d4cb3 22 *
sam_grove 5:3f93dd1d4cb3 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
sam_grove 5:3f93dd1d4cb3 24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
sam_grove 5:3f93dd1d4cb3 25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
sam_grove 5:3f93dd1d4cb3 26 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
sam_grove 5:3f93dd1d4cb3 27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
sam_grove 5:3f93dd1d4cb3 28 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
sam_grove 5:3f93dd1d4cb3 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
sam_grove 5:3f93dd1d4cb3 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
sam_grove 5:3f93dd1d4cb3 31 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
sam_grove 5:3f93dd1d4cb3 32 * OF SUCH DAMAGE.
sam_grove 5:3f93dd1d4cb3 33 *
sam_grove 5:3f93dd1d4cb3 34 * Author: Dominik Spies <kontakt@dspies.de>
sam_grove 5:3f93dd1d4cb3 35 *
sam_grove 5:3f93dd1d4cb3 36 * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
sam_grove 5:3f93dd1d4cb3 37 * with RFC 3927.
sam_grove 5:3f93dd1d4cb3 38 *
sam_grove 5:3f93dd1d4cb3 39 *
sam_grove 5:3f93dd1d4cb3 40 * Please coordinate changes and requests with Dominik Spies
sam_grove 5:3f93dd1d4cb3 41 * <kontakt@dspies.de>
sam_grove 5:3f93dd1d4cb3 42 */
sam_grove 5:3f93dd1d4cb3 43
sam_grove 5:3f93dd1d4cb3 44 #ifndef __LWIP_AUTOIP_H__
sam_grove 5:3f93dd1d4cb3 45 #define __LWIP_AUTOIP_H__
sam_grove 5:3f93dd1d4cb3 46
sam_grove 5:3f93dd1d4cb3 47 #include "lwip/opt.h"
sam_grove 5:3f93dd1d4cb3 48
sam_grove 5:3f93dd1d4cb3 49 #if LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */
sam_grove 5:3f93dd1d4cb3 50
sam_grove 5:3f93dd1d4cb3 51 #include "lwip/netif.h"
sam_grove 5:3f93dd1d4cb3 52 #include "lwip/udp.h"
sam_grove 5:3f93dd1d4cb3 53 #include "netif/etharp.h"
sam_grove 5:3f93dd1d4cb3 54
sam_grove 5:3f93dd1d4cb3 55 #ifdef __cplusplus
sam_grove 5:3f93dd1d4cb3 56 extern "C" {
sam_grove 5:3f93dd1d4cb3 57 #endif
sam_grove 5:3f93dd1d4cb3 58
sam_grove 5:3f93dd1d4cb3 59 /* AutoIP Timing */
sam_grove 5:3f93dd1d4cb3 60 #define AUTOIP_TMR_INTERVAL 100
sam_grove 5:3f93dd1d4cb3 61 #define AUTOIP_TICKS_PER_SECOND (1000 / AUTOIP_TMR_INTERVAL)
sam_grove 5:3f93dd1d4cb3 62
sam_grove 5:3f93dd1d4cb3 63 /* RFC 3927 Constants */
sam_grove 5:3f93dd1d4cb3 64 #define PROBE_WAIT 1 /* second (initial random delay) */
sam_grove 5:3f93dd1d4cb3 65 #define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
sam_grove 5:3f93dd1d4cb3 66 #define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
sam_grove 5:3f93dd1d4cb3 67 #define PROBE_NUM 3 /* (number of probe packets) */
sam_grove 5:3f93dd1d4cb3 68 #define ANNOUNCE_NUM 2 /* (number of announcement packets) */
sam_grove 5:3f93dd1d4cb3 69 #define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
sam_grove 5:3f93dd1d4cb3 70 #define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
sam_grove 5:3f93dd1d4cb3 71 #define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
sam_grove 5:3f93dd1d4cb3 72 #define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
sam_grove 5:3f93dd1d4cb3 73 #define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
sam_grove 5:3f93dd1d4cb3 74
sam_grove 5:3f93dd1d4cb3 75 /* AutoIP client states */
sam_grove 5:3f93dd1d4cb3 76 #define AUTOIP_STATE_OFF 0
sam_grove 5:3f93dd1d4cb3 77 #define AUTOIP_STATE_PROBING 1
sam_grove 5:3f93dd1d4cb3 78 #define AUTOIP_STATE_ANNOUNCING 2
sam_grove 5:3f93dd1d4cb3 79 #define AUTOIP_STATE_BOUND 3
sam_grove 5:3f93dd1d4cb3 80
sam_grove 5:3f93dd1d4cb3 81 struct autoip
sam_grove 5:3f93dd1d4cb3 82 {
sam_grove 5:3f93dd1d4cb3 83 ip_addr_t llipaddr; /* the currently selected, probed, announced or used LL IP-Address */
sam_grove 5:3f93dd1d4cb3 84 u8_t state; /* current AutoIP state machine state */
sam_grove 5:3f93dd1d4cb3 85 u8_t sent_num; /* sent number of probes or announces, dependent on state */
sam_grove 5:3f93dd1d4cb3 86 u16_t ttw; /* ticks to wait, tick is AUTOIP_TMR_INTERVAL long */
sam_grove 5:3f93dd1d4cb3 87 u8_t lastconflict; /* ticks until a conflict can be solved by defending */
sam_grove 5:3f93dd1d4cb3 88 u8_t tried_llipaddr; /* total number of probed/used Link Local IP-Addresses */
sam_grove 5:3f93dd1d4cb3 89 };
sam_grove 5:3f93dd1d4cb3 90
sam_grove 5:3f93dd1d4cb3 91
sam_grove 5:3f93dd1d4cb3 92 /** Init srand, has to be called before entering mainloop */
sam_grove 5:3f93dd1d4cb3 93 void autoip_init(void);
sam_grove 5:3f93dd1d4cb3 94
sam_grove 5:3f93dd1d4cb3 95 /** Set a struct autoip allocated by the application to work with */
sam_grove 5:3f93dd1d4cb3 96 void autoip_set_struct(struct netif *netif, struct autoip *autoip);
sam_grove 5:3f93dd1d4cb3 97
sam_grove 5:3f93dd1d4cb3 98 /** Start AutoIP client */
sam_grove 5:3f93dd1d4cb3 99 err_t autoip_start(struct netif *netif);
sam_grove 5:3f93dd1d4cb3 100
sam_grove 5:3f93dd1d4cb3 101 /** Stop AutoIP client */
sam_grove 5:3f93dd1d4cb3 102 err_t autoip_stop(struct netif *netif);
sam_grove 5:3f93dd1d4cb3 103
sam_grove 5:3f93dd1d4cb3 104 /** Handles every incoming ARP Packet, called by etharp_arp_input */
sam_grove 5:3f93dd1d4cb3 105 void autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr);
sam_grove 5:3f93dd1d4cb3 106
sam_grove 5:3f93dd1d4cb3 107 /** Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds */
sam_grove 5:3f93dd1d4cb3 108 void autoip_tmr(void);
sam_grove 5:3f93dd1d4cb3 109
sam_grove 5:3f93dd1d4cb3 110 /** Handle a possible change in the network configuration */
sam_grove 5:3f93dd1d4cb3 111 void autoip_network_changed(struct netif *netif);
sam_grove 5:3f93dd1d4cb3 112
sam_grove 5:3f93dd1d4cb3 113 #ifdef __cplusplus
sam_grove 5:3f93dd1d4cb3 114 }
sam_grove 5:3f93dd1d4cb3 115 #endif
sam_grove 5:3f93dd1d4cb3 116
sam_grove 5:3f93dd1d4cb3 117 #endif /* LWIP_AUTOIP */
sam_grove 5:3f93dd1d4cb3 118
sam_grove 5:3f93dd1d4cb3 119 #endif /* __LWIP_AUTOIP_H__ */