be32_t xid;
be16_t secs;
be16_t flags;
- uint32_t ciaddr;
- uint32_t yiaddr;
- uint32_t siaddr;
- uint32_t giaddr;
+ be32_t ciaddr;
+ be32_t yiaddr;
+ be32_t siaddr;
+ be32_t giaddr;
uint8_t chaddr[16];
uint8_t sname[64];
uint8_t file[128];
#define DHCP_IP_SIZE (int32_t)(sizeof(struct iphdr))
#define DHCP_IP_UDP_SIZE (int32_t)(sizeof(struct udphdr) + DHCP_IP_SIZE)
#define DHCP_MESSAGE_SIZE (int32_t)(sizeof(DHCPMessage))
+#define DHCP_MIN_OPTIONS_SIZE 312
enum {
DHCP_PORT_SERVER = 67,
DHCP_OPTION_DOMAIN_NAME_SERVER = 6,
DHCP_OPTION_HOST_NAME = 12,
DHCP_OPTION_DOMAIN_NAME = 15,
+ DHCP_OPTION_INTERFACE_MTU = 26,
DHCP_OPTION_NTP_SERVER = 42,
DHCP_OPTION_REQUESTED_IP_ADDRESS = 50,
DHCP_OPTION_IP_ADDRESS_LEASE_TIME = 51,