icmpv6.h

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/*
 * SPDX-FileCopyrightText: 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include <stdint.h>
 
#include "byteorder.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define ICMPV6_DST_UNR      (1)     
#define ICMPV6_PKT_TOO_BIG  (2)     
#define ICMPV6_TIME_EXC     (3)     
#define ICMPV6_PARAM_PROB   (4)     
#define ICMPV6_ERR_EXP1     (100)   
#define ICMPV6_ERR_EXP2     (101)   

#define ICMPV6_ECHO_REQ     (128)   
#define ICMPV6_ECHO_REP     (129)   
#define ICMPV6_RTR_SOL      (133)   
#define ICMPV6_RTR_ADV      (134)   
#define ICMPV6_NBR_SOL      (135)   
#define ICMPV6_NBR_ADV      (136)   
#define ICMPV6_REDIRECT     (137)   
#define ICMPV6_RPL_CTRL     (155)   
#define ICMPV6_DAR          (157)   
#define ICMPV6_DAC          (158)   
#define ICMPV6_INF_EXP1     (200)   
#define ICMPV6_INF_EXP2     (201)   

#define ICMPV6_ERROR_DST_UNR_NO_ROUTE   (0) 
#define ICMPV6_ERROR_DST_UNR_PROHIB     (1) 
#define ICMPV6_ERROR_DST_UNR_SCOPE      (2) 
#define ICMPV6_ERROR_DST_UNR_ADDR       (3) 
#define ICMPV6_ERROR_DST_UNR_PORT       (4) 
#define ICMPV6_ERROR_DST_UNR_POLICY     (5) 
#define ICMPV6_ERROR_DST_UNR_REJECT     (6) 

#define ICMPV6_ERROR_TIME_EXC_HL     (0) 
#define ICMPV6_ERROR_TIME_EXC_FRAG   (1) 

#define ICMPV6_ERROR_PARAM_PROB_HDR_FIELD   (0) 
#define ICMPV6_ERROR_PARAM_PROB_NH          (1) 
#define ICMPV6_ERROR_PARAM_PROB_OPT         (2) 

typedef struct __attribute__((packed)) {
    uint8_t type;           
    uint8_t code;           
    network_uint16_t csum;  
} icmpv6_hdr_t;

typedef struct __attribute__((packed)) {
    uint8_t type;               
    uint8_t code;               
    network_uint16_t csum;      
    network_uint32_t unused;    
} icmpv6_error_dst_unr_t;

typedef struct __attribute__((packed)) {
    uint8_t type;           
    uint8_t code;           
    network_uint16_t csum;  
    network_uint32_t mtu;   
} icmpv6_error_pkt_too_big_t;

typedef struct __attribute__((packed)) {
    uint8_t type;               
    uint8_t code;               
    network_uint16_t csum;      
    network_uint32_t unused;    
} icmpv6_error_time_exc_t;

typedef struct __attribute__((packed)) {
    uint8_t type;           
    uint8_t code;           
    network_uint16_t csum;  
    network_uint32_t ptr;   
} icmpv6_error_param_prob_t;

typedef struct __attribute__((packed)) {
    uint8_t type;           
    uint8_t code;           
    network_uint16_t csum;  
    network_uint16_t id;    
    network_uint16_t seq;   
} icmpv6_echo_t;

void icmpv6_hdr_print(icmpv6_hdr_t *hdr);
 
#ifdef __cplusplus
}
#endif