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#ifndef BOOTP_PACKET_H
#define BOOTP_PACKET_H
#include <sys/uio.h>
struct netdev;
/* packet ops */
#define BOOTP_REQUEST 1
#define BOOTP_REPLY 2
/* your basic bootp packet */
struct bootp_hdr {
uint8_t op;
uint8_t htype;
uint8_t hlen;
uint8_t hops;
uint32_t xid;
uint16_t secs;
uint16_t flags;
uint32_t ciaddr;
uint32_t yiaddr;
uint32_t siaddr;
uint32_t giaddr;
uint8_t chaddr[16];
char server_name[64];
char boot_file[128];
/* 312 bytes of extensions */
};
/*
* memory size of BOOTP Vendor Extensions/DHCP Options for receiving
*
* generic_ether_mtu:1500, min_sizeof(ip_hdr):20, sizeof(udp_hdr):8
*
* #define BOOTP_EXTS_SIZE (1500 - 20 - 8 - sizeof(struct bootp_hdr))
*/
/* larger size for backward compatibility of ipconfig */
#define BOOTP_EXTS_SIZE 1500
/* minimum length of BOOTP/DHCP packet on sending */
#define BOOTP_MIN_LEN 300
#endif /* BOOTP_PACKET_H */
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