+++ /dev/null
-/*
- * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
- * 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.
- *
- * This file is part of the lwIP TCP/IP stack.
- *
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __LWIP_ICMP_H__
-#define __LWIP_ICMP_H__
-
-#include "lwip/opt.h"
-
-#if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */
-
-#include "lwip/pbuf.h"
-#include "lwip/ip_addr.h"
-#include "lwip/netif.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define ICMP_ER 0 /* echo reply */
-#define ICMP_DUR 3 /* destination unreachable */
-#define ICMP_SQ 4 /* source quench */
-#define ICMP_RD 5 /* redirect */
-#define ICMP_ECHO 8 /* echo */
-#define ICMP_TE 11 /* time exceeded */
-#define ICMP_PP 12 /* parameter problem */
-#define ICMP_TS 13 /* timestamp */
-#define ICMP_TSR 14 /* timestamp reply */
-#define ICMP_IRQ 15 /* information request */
-#define ICMP_IR 16 /* information reply */
-
-enum icmp_dur_type {
- ICMP_DUR_NET = 0, /* net unreachable */
- ICMP_DUR_HOST = 1, /* host unreachable */
- ICMP_DUR_PROTO = 2, /* protocol unreachable */
- ICMP_DUR_PORT = 3, /* port unreachable */
- ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */
- ICMP_DUR_SR = 5 /* source route failed */
-};
-
-enum icmp_te_type {
- ICMP_TE_TTL = 0, /* time to live exceeded in transit */
- ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */
-};
-
-void icmp_input(struct pbuf *p, struct netif *inp);
-
-void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t);
-void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t);
-
-#ifdef PACK_STRUCT_USE_INCLUDES
-# include "arch/bpstruct.h"
-#endif
-PACK_STRUCT_BEGIN
-struct icmp_echo_hdr {
- PACK_STRUCT_FIELD(u16_t _type_code);
- PACK_STRUCT_FIELD(u16_t chksum);
- PACK_STRUCT_FIELD(u16_t id);
- PACK_STRUCT_FIELD(u16_t seqno);
-} PACK_STRUCT_STRUCT;
-PACK_STRUCT_END
-
-PACK_STRUCT_BEGIN
-struct icmp_dur_hdr {
- PACK_STRUCT_FIELD(u16_t _type_code);
- PACK_STRUCT_FIELD(u16_t chksum);
- PACK_STRUCT_FIELD(u32_t unused);
-} PACK_STRUCT_STRUCT;
-PACK_STRUCT_END
-
-PACK_STRUCT_BEGIN
-struct icmp_te_hdr {
- PACK_STRUCT_FIELD(u16_t _type_code);
- PACK_STRUCT_FIELD(u16_t chksum);
- PACK_STRUCT_FIELD(u32_t unused);
-} PACK_STRUCT_STRUCT;
-PACK_STRUCT_END
-#ifdef PACK_STRUCT_USE_INCLUDES
-# include "arch/epstruct.h"
-#endif
-
-#define ICMPH_TYPE(hdr) (ntohs((hdr)->_type_code) >> 8)
-#define ICMPH_CODE(hdr) (ntohs((hdr)->_type_code) & 0xff)
-
-#define ICMPH_TYPE_SET(hdr, type) ((hdr)->_type_code = htons(ICMPH_CODE(hdr) | ((type) << 8)))
-#define ICMPH_CODE_SET(hdr, code) ((hdr)->_type_code = htons((code) | (ICMPH_TYPE(hdr) << 8)))
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* LWIP_ICMP */
-
-#endif /* __LWIP_ICMP_H__ */