1*10465441SEvalZero /* 2*10465441SEvalZero * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3*10465441SEvalZero * All rights reserved. 4*10465441SEvalZero * 5*10465441SEvalZero * Redistribution and use in source and binary forms, with or without modification, 6*10465441SEvalZero * are permitted provided that the following conditions are met: 7*10465441SEvalZero * 8*10465441SEvalZero * 1. Redistributions of source code must retain the above copyright notice, 9*10465441SEvalZero * this list of conditions and the following disclaimer. 10*10465441SEvalZero * 2. Redistributions in binary form must reproduce the above copyright notice, 11*10465441SEvalZero * this list of conditions and the following disclaimer in the documentation 12*10465441SEvalZero * and/or other materials provided with the distribution. 13*10465441SEvalZero * 3. The name of the author may not be used to endorse or promote products 14*10465441SEvalZero * derived from this software without specific prior written permission. 15*10465441SEvalZero * 16*10465441SEvalZero * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17*10465441SEvalZero * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18*10465441SEvalZero * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19*10465441SEvalZero * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20*10465441SEvalZero * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21*10465441SEvalZero * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22*10465441SEvalZero * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23*10465441SEvalZero * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24*10465441SEvalZero * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25*10465441SEvalZero * OF SUCH DAMAGE. 26*10465441SEvalZero * 27*10465441SEvalZero * This file is part of the lwIP TCP/IP stack. 28*10465441SEvalZero * 29*10465441SEvalZero * Author: Adam Dunkels <[email protected]> 30*10465441SEvalZero * 31*10465441SEvalZero */ 32*10465441SEvalZero #ifndef __LWIP_ICMP_H__ 33*10465441SEvalZero #define __LWIP_ICMP_H__ 34*10465441SEvalZero 35*10465441SEvalZero #include "lwip/opt.h" 36*10465441SEvalZero 37*10465441SEvalZero #if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */ 38*10465441SEvalZero 39*10465441SEvalZero #include "lwip/pbuf.h" 40*10465441SEvalZero #include "lwip/netif.h" 41*10465441SEvalZero 42*10465441SEvalZero #ifdef __cplusplus 43*10465441SEvalZero extern "C" { 44*10465441SEvalZero #endif 45*10465441SEvalZero 46*10465441SEvalZero #define ICMP6_DUR 1 47*10465441SEvalZero #define ICMP6_TE 3 48*10465441SEvalZero #define ICMP6_ECHO 128 /* echo */ 49*10465441SEvalZero #define ICMP6_ER 129 /* echo reply */ 50*10465441SEvalZero 51*10465441SEvalZero 52*10465441SEvalZero enum icmp_dur_type { 53*10465441SEvalZero ICMP_DUR_NET = 0, /* net unreachable */ 54*10465441SEvalZero ICMP_DUR_HOST = 1, /* host unreachable */ 55*10465441SEvalZero ICMP_DUR_PROTO = 2, /* protocol unreachable */ 56*10465441SEvalZero ICMP_DUR_PORT = 3, /* port unreachable */ 57*10465441SEvalZero ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */ 58*10465441SEvalZero ICMP_DUR_SR = 5 /* source route failed */ 59*10465441SEvalZero }; 60*10465441SEvalZero 61*10465441SEvalZero enum icmp_te_type { 62*10465441SEvalZero ICMP_TE_TTL = 0, /* time to live exceeded in transit */ 63*10465441SEvalZero ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */ 64*10465441SEvalZero }; 65*10465441SEvalZero 66*10465441SEvalZero void icmp_input(struct pbuf *p, struct netif *inp); 67*10465441SEvalZero 68*10465441SEvalZero void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t); 69*10465441SEvalZero void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t); 70*10465441SEvalZero 71*10465441SEvalZero struct icmp_echo_hdr { 72*10465441SEvalZero u8_t type; 73*10465441SEvalZero u8_t icode; 74*10465441SEvalZero u16_t chksum; 75*10465441SEvalZero u16_t id; 76*10465441SEvalZero u16_t seqno; 77*10465441SEvalZero }; 78*10465441SEvalZero 79*10465441SEvalZero struct icmp_dur_hdr { 80*10465441SEvalZero u8_t type; 81*10465441SEvalZero u8_t icode; 82*10465441SEvalZero u16_t chksum; 83*10465441SEvalZero u32_t unused; 84*10465441SEvalZero }; 85*10465441SEvalZero 86*10465441SEvalZero struct icmp_te_hdr { 87*10465441SEvalZero u8_t type; 88*10465441SEvalZero u8_t icode; 89*10465441SEvalZero u16_t chksum; 90*10465441SEvalZero u32_t unused; 91*10465441SEvalZero }; 92*10465441SEvalZero 93*10465441SEvalZero #ifdef __cplusplus 94*10465441SEvalZero } 95*10465441SEvalZero #endif 96*10465441SEvalZero 97*10465441SEvalZero #endif /* LWIP_ICMP */ 98*10465441SEvalZero 99*10465441SEvalZero #endif /* __LWIP_ICMP_H__ */ 100*10465441SEvalZero 101