dhcp.h

#pragma once
 
#include "common.h"
 
#define DHCP_REQUEST 1
#define DHCP_REPLY 2
 
typedef struct dhcp_packet {
    uint8_t op;
    uint8_t hardware_type;
    uint8_t hardware_addr_len;
    uint8_t hops;
    uint32_t xid;
    uint16_t seconds;
    uint16_t flags;
    uint32_t client_ip;
    uint32_t your_ip;
    uint32_t server_ip;
    uint32_t gateway_ip;
    uint8_t client_hardware_addr[16];
    uint8_t server_name[64];
    uint8_t file[128];
    uint8_t options[340];
} __attribute__ ((packed)) dhcp_packet_t;
 
void dhcp_discover(netcard_entry_t* card);
void dhcp_handle_packet(netcard_entry_t* card, dhcp_packet_t* packet);
void dhcp_request(netcard_entry_t* card, const uint8_t req_ip[4]);
void dhcp_init_all_cards();