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211 lines
7.5 KiB
211 lines
7.5 KiB
/**************************************************************************** |
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* net/uip/uip-icmp.h |
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* Header file for the uIP ICMP stack. |
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* |
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* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr> |
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* |
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* This logic was leveraged from uIP which also has a BSD-style license: |
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* |
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* Author Adam Dunkels <adam@dunkels.com> |
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* Copyright (c) 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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#ifndef __NET_UIP_UIP_ICMP_H |
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#define __NET_UIP_UIP_ICMP_H |
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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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#include <stdint.h> |
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#include <net/uip/uipopt.h> |
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/**************************************************************************** |
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* Pre-processor Definitions |
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****************************************************************************/ |
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/* ICMP/ICMP6 definitions */ |
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/* ICMP/ICMP6 Message Types */ |
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#define ICMP_ECHO_REPLY 0 /* RFC 792 */ |
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#define ICMP_DEST_UNREACHABLE 3 /* RFC 792 */ |
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#define ICMP_SRC_QUENCH 4 /* RFC 792 */ |
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#define ICMP_REDIRECT 5 /* RFC 792 */ |
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#define ICMP_ALT_HOST_ADDRESS 6 |
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#define ICMP_ECHO_REQUEST 8 /* RFC 792 */ |
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#define ICMP_ROUTER_ADVERTISEMENT 9 /* RFC 1256 */ |
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#define ICMP_ROUTER_SOLICITATION 10 /* RFC 1256 */ |
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#define ICMP_TIME_EXCEEDED 11 /* RFC 792 */ |
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#define ICMP_PARAMETER_PROBLEM 12 |
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#define ICMP_TIMESTAMP_REQUEST 13 |
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#define ICMP_TIMESTAMP_REPLY 14 |
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#define ICMP_INFORMATION_REQUEST 15 |
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#define ICMP_INFORMATION_REPLY 16 |
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#define ICMP_ADDRESS_MASK_REQUEST 17 |
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#define ICMP_ADDRESS_MASK_REPLY 18 |
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#define ICMP_TRACEROUTE 30 |
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#define ICMP_CONVERSION_ERROR 31 |
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#define ICMP_MOBILE_HOST_REDIRECT 32 |
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#define ICMP_IPV6_WHEREAREYOU 33 |
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#define ICMP_IPV6_IAMHERE 34 |
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#define ICMP_MOBILE_REGIS_REQUEST 35 |
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#define ICMP_MOBILE_REGIS_REPLY 36 |
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#define ICMP_DOMAIN_NAME_REQUEST 37 |
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#define ICMP_DOMAIN_NAME_REPLY 38 |
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#define ICMP_SKIP_DISCOVERY_PROTO 39 |
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#define ICMP_PHOTURIS_SECURITY_FAIL 40 |
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#define ICMP_EXP_MOBILE_PROTO 41 /* RFC 4065 */ |
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/* ICMP6 Message Types */ |
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#define ICMP6_ECHO_REPLY 129 |
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#define ICMP6_ECHO_REQUEST 128 |
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#define ICMP6_NEIGHBOR_SOLICITATION 135 |
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#define ICMP6_NEIGHBOR_ADVERTISEMENT 136 |
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#define ICMP6_FLAG_S (1 << 6) |
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#define ICMP6_OPTION_SOURCE_LINK_ADDRESS 1 |
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#define ICMP6_OPTION_TARGET_LINK_ADDRESS 2 |
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/* Header sizes */ |
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#define UIP_ICMPH_LEN 4 /* Size of ICMP header */ |
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#define UIP_IPICMPH_LEN (UIP_ICMPH_LEN + UIP_IPH_LEN) /* Size of IP + ICMP header */ |
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/**************************************************************************** |
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* Public Type Definitions |
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****************************************************************************/ |
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/* The ICMP and IP headers */ |
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struct uip_icmpip_hdr |
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{ |
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#ifdef CONFIG_NET_IPv6 |
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/* IPv6 Ip header */ |
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uint8_t vtc; /* Bits 0-3: version, bits 4-7: traffic class (MS) */ |
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uint8_t tcf; /* Bits 0-3: traffic class (LS), bits 4-7: flow label (MS) */ |
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uint16_t flow; /* 16-bit flow label (LS) */ |
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uint8_t len[2]; /* 16-bit Payload length */ |
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uint8_t proto; /* 8-bit Next header (same as IPv4 protocol field) */ |
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uint8_t ttl; /* 8-bit Hop limit (like IPv4 TTL field) */ |
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uip_ip6addr_t srcipaddr; /* 128-bit Source address */ |
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uip_ip6addr_t destipaddr; /* 128-bit Destination address */ |
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#else /* CONFIG_NET_IPv6 */ |
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/* IPv4 IP header */ |
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uint8_t vhl; /* 8-bit Version (4) and header length (5 or 6) */ |
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uint8_t tos; /* 8-bit Type of service (e.g., 6=TCP) */ |
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uint8_t len[2]; /* 16-bit Total length */ |
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uint8_t ipid[2]; /* 16-bit Identification */ |
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uint8_t ipoffset[2]; /* 16-bit IP flags + fragment offset */ |
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uint8_t ttl; /* 8-bit Time to Live */ |
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uint8_t proto; /* 8-bit Protocol */ |
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uint16_t ipchksum; /* 16-bit Header checksum */ |
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uint16_t srcipaddr[2]; /* 32-bit Source IP address */ |
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uint16_t destipaddr[2]; /* 32-bit Destination IP address */ |
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#endif /* CONFIG_NET_IPv6 */ |
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/* ICMP header */ |
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uint8_t type; /* Defines the format of the ICMP message */ |
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uint8_t icode; /* Further qualifies the ICMP messsage */ |
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uint16_t icmpchksum; /* Checksum of ICMP header and data */ |
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/* Data following the ICMP header contains the data specific to the |
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* message type indicated by the Type and Code fields. |
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*/ |
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#ifndef CONFIG_NET_IPv6 |
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/* ICMP_ECHO_REQUEST and ICMP_ECHO_REPLY data */ |
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uint16_t id; /* Used to match requests with replies */ |
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uint16_t seqno; /* " " "" " " " " " " " " */ |
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#else /* !CONFIG_NET_IPv6 */ |
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/* ICMP6_ECHO_REQUEST and ICMP6_ECHO_REPLY data */ |
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uint8_t flags; |
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uint8_t reserved1; |
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uint8_t reserved2; |
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uint8_t reserved3; |
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uint8_t icmp6data[16]; |
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uint8_t options[1]; |
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#endif /* !CONFIG_NET_IPv6 */ |
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}; |
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/* The structure holding the ICMP statistics that are gathered if |
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* CONFIG_NET_STATISTICS is defined. |
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*/ |
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#ifdef CONFIG_NET_STATISTICS |
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struct uip_icmp_stats_s |
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{ |
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uip_stats_t drop; /* Number of dropped ICMP packets */ |
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uip_stats_t recv; /* Number of received ICMP packets */ |
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uip_stats_t sent; /* Number of sent ICMP packets */ |
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uip_stats_t typeerr; /* Number of ICMP packets with a wrong type */ |
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}; |
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#endif |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Function Prototypes |
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****************************************************************************/ |
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#ifdef __cplusplus |
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#define EXTERN extern "C" |
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extern "C" { |
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#else |
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#define EXTERN extern |
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#endif |
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EXTERN int uip_ping(uip_ipaddr_t addr, uint16_t id, uint16_t seqno, uint16_t datalen, int dsecs); |
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#undef EXTERN |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* __NET_UIP_UIP_ICMP_H */
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