Retro Rocket Kernel
BASIC-Powered Operating System
Data Structures | Enumerations | Functions | Variables
icmp.h File Reference
#include "kernel.h"

Data Structures

struct  icmp_packet
 
struct  icmp_redirect_packet
 
struct  icmp_information
 
struct  icmp_parameter_problem_packet
 
struct  icmp_echo_packet
 
struct  icmp_timestamp_packet
 

Enumerations

enum  icmp_type_t {
  ICMP_ECHO_REPLY = 0 , ICMP_DESTINATION_UNREACHABLE = 3 , ICMP_SOURCE_QUENCH = 4 , ICMP_REDIRECT = 5 ,
  ICMP_ECHO = 8 , ICMP_TIME_EXCEEDED = 11 , ICMP_PARAMETER_PROBLEM = 12 , ICMP_TIMESTAMP = 13 ,
  ICMP_TIMESTAMP_REPLY = 14 , ICMP_INFORMATION_REQUEST = 15 , ICMP_INFORMATION_REPLY = 16
}
 
enum  icmp_unreachable_code_t {
  ICMP_NET_UNREACHABLE = 0 , ICMP_HOST_UNREACHABLE = 1 , ICMP_PROTOCOL_UNREACHABLE = 2 , ICMP_PORT_UNREACHABLE = 3 ,
  ICMP_FRAGMENTATION_NEEDED = 4 , ICMP_SOURCE_ROUTE_FAILED = 5
}
 
enum  icmp_time_exceeded_code_t { ICMP_TTL_EXCEEDED = 0 , ICMP_FRAGMENT_REASSEMBLY_TIME_EXCEEDED = 1 }
 
enum  icmp_redirect_code_t { ICMP_REDIRECT_NETWORK = 0 , ICMP_REDIRECT_HOST = 1 , ICMP_REDIRECT_TOS_NETWORK = 2 , ICMP_REDIRECT_TOS_HOST = 3 }
 

Functions

struct icmp_packet __attribute__ ((packed)) icmp_packet_t
 
void icmp_handle_packet ([[maybe_unused]] ip_packet_t *encap_packet, icmp_packet_t *packet, size_t len)
 Handle ICMP packet from the IP driver. More...
 
void icmp_send_echo (uint32_t destination, uint16_t id, uint16_t seq)
 

Variables

uint8_t type
 
uint8_t code
 
uint16_t checksum
 
uint32_t unused
 
ip_packet_t original_datagram
 
uint32_t gateway
 
uint16_t id
 
uint16_t seq
 
uint8_t problem_ptr
 
uint16_t unused1
 
uint16_t unused2
 
uint32_t originate_timestamp
 
uint32_t receive_timestamp
 
uint32_t transmit_timestamp
 

Detailed Description

Author
Craig Edwards (craig.nosp@m.edwa.nosp@m.rds@b.nosp@m.rain.nosp@m.box.c.nosp@m.c)
Copyright
Copyright (c) 2012-2023

Enumeration Type Documentation

◆ icmp_redirect_code_t

enum icmp_redirect_code_t
Enumerator
ICMP_REDIRECT_NETWORK 
ICMP_REDIRECT_HOST 
ICMP_REDIRECT_TOS_NETWORK 
ICMP_REDIRECT_TOS_HOST 

◆ icmp_time_exceeded_code_t

enum icmp_time_exceeded_code_t
Enumerator
ICMP_TTL_EXCEEDED 
ICMP_FRAGMENT_REASSEMBLY_TIME_EXCEEDED 

◆ icmp_type_t

enum icmp_type_t
Enumerator
ICMP_ECHO_REPLY 
ICMP_DESTINATION_UNREACHABLE 
ICMP_SOURCE_QUENCH 
ICMP_REDIRECT 
ICMP_ECHO 
ICMP_TIME_EXCEEDED 
ICMP_PARAMETER_PROBLEM 
ICMP_TIMESTAMP 
ICMP_TIMESTAMP_REPLY 
ICMP_INFORMATION_REQUEST 
ICMP_INFORMATION_REPLY 

◆ icmp_unreachable_code_t

enum icmp_unreachable_code_t
Enumerator
ICMP_NET_UNREACHABLE 
ICMP_HOST_UNREACHABLE 
ICMP_PROTOCOL_UNREACHABLE 
ICMP_PORT_UNREACHABLE 
ICMP_FRAGMENTATION_NEEDED 
ICMP_SOURCE_ROUTE_FAILED 

Function Documentation

◆ __attribute__()

struct icmp_packet __attribute__ ( (packed)  )

◆ icmp_handle_packet()

void icmp_handle_packet ( [[maybe_unused] ] ip_packet_t *  encap_packet,
icmp_packet_t *  packet,
size_t  len 
)

Handle ICMP packet from the IP driver.

Parameters
ipEncapsulating IP packet
packetraw ICMP packet
lengthICMP packet length

◆ icmp_send_echo()

void icmp_send_echo ( uint32_t  destination,
uint16_t  id,
uint16_t  seq 
)

Variable Documentation

◆ checksum

uint16_t checksum

◆ code

uint8_t code

◆ gateway

uint32_t gateway

◆ id

uint16_t id

◆ original_datagram

ip_packet_t original_datagram

◆ originate_timestamp

uint32_t originate_timestamp

◆ problem_ptr

uint8_t problem_ptr

◆ receive_timestamp

uint32_t receive_timestamp

◆ seq

uint16_t seq

◆ transmit_timestamp

uint32_t transmit_timestamp

◆ type

uint8_t type

◆ unused

uint32_t unused

◆ unused1

uint16_t unused1

◆ unused2

uint16_t unused2