#ifndef BRIDGE_XDP_H
#define BRIDGE_XDP_H

#include <linux/bpf.h>
#include <linux/if_ether.h>
#include <linux/ip.h>
#include <linux/tcp.h>

struct bpf_map_def {
    unsigned int type;
    unsigned int key_size;
    unsigned int value_size;
    unsigned int max_entries;
    unsigned int map_flags;
};

// Estrutura para estatísticas
struct packet_stats {
    __u64 packets;
    __u64 bytes;
};

// Mapa para armazenar estatísticas
struct bpf_map_def SEC("maps") stats_map = {
    .type = BPF_MAP_TYPE_PERCPU_ARRAY,
    .key_size = sizeof(__u32),
    .value_size = sizeof(struct packet_stats),
    .max_entries = 1,
};

#endif