ipv4_nat.h

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/*
 * SPDX-FileCopyrightText: Copyright 2026 NXP
 *
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef ZEPHYR_INCLUDE_NET_IPV4_NAT_H_
#define ZEPHYR_INCLUDE_NET_IPV4_NAT_H_
 
#include <zephyr/kernel.h>
#include <zephyr/types.h>
#include <stdbool.h>
 
#include <zephyr/net/net_core.h>
#include <zephyr/net/net_if.h>
#include <zephyr/net/net_ip.h>
#include <zephyr/net/net_pkt.h>
 
#ifdef __cplusplus
extern "C" {
#endif

struct net_iptable_rule_params {
        int input_iface_idx;
        int output_iface_idx;
        uint8_t src[NET_IPV4_ADDR_SIZE];
        uint8_t src_mask[NET_IPV4_ADDR_SIZE];
        uint8_t dst[NET_IPV4_ADDR_SIZE];
        uint8_t dst_mask[NET_IPV4_ADDR_SIZE];
        enum net_ip_protocol proto;
        uint8_t priority;
        int unreply_timeout;
        int reply_timeout;
};

int net_ipv4_table_rule_add(struct net_iptable_rule_params *param);

void net_ipv4_table_rule_del(int idx);

void net_ipv4_nat_init(void);
 
#ifdef __cplusplus
}
#endif

 
#endif /* ZEPHYR_INCLUDE_NET_IPV4_NAT_H_ */