#include "netdev.h"
#include <stdint.h>

struct udp_v4{
    uint16_t src_port;
    uint16_t dst_port;
    uint16_t len;
    uint16_t csum;
} __attribute__((packed));

uint32_t udp_generic(struct netdev *dev, uint32_t ip, uint16_t src, uint16_t dst, uint8_t* pos,uint8_t *end);