icmp.h

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#ifndef __NET__ICMP_H__
#define __NET__ICMP_H__
 
#include "net/ipv4.h"
#include "net/netdev.h"
#include <type.h>
 
struct icmp_header {
    uint8_t type;
    uint8_t code;
    uint16_t checksum;
} __attribute__((packed));
 
struct icmp_echo {
    uint8_t type; // 8 = request, 0 = reply
    uint8_t code; // selalu 0 untuk echo
    uint16_t checksum;
 
    uint16_t identifier;
    uint16_t sequence;
 
    uint8_t data[]; // payload (opsional, variabel)
} __attribute__((packed));
 
void handle_icmp(netdev_t* dev, struct ipv4_header* ip, uint8_t mac_dst[6]);
#endif // __NET__ICMP_H__