* net/netfilter/iptables.h
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __NET_NETFILTER_IPTABLES_H
#define __NET_NETFILTER_IPTABLES_H
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/net/net.h>
#include <nuttx/net/netfilter/ip_tables.h>
#include <nuttx/net/netfilter/ip6_tables.h>
#ifdef CONFIG_NET_IPTABLES
* Public Function Prototypes
****************************************************************************/
* Name: ipt_setsockopt
*
* Description:
* setsockopt function of iptables.
*
****************************************************************************/
#ifdef CONFIG_NET_IPv4
int ipt_setsockopt(FAR struct socket *psock, int option,
FAR const void *value, socklen_t value_len);
#endif
#ifdef CONFIG_NET_IPv6
int ip6t_setsockopt(FAR struct socket *psock, int option,
FAR const void *value, socklen_t value_len);
#endif
* Name: ipt_getsockopt
*
* Description:
* getsockopt function of iptables.
*
****************************************************************************/
#ifdef CONFIG_NET_IPv4
int ipt_getsockopt(FAR struct socket *psock, int option,
FAR void *value, FAR socklen_t *value_len);
#endif
#ifdef CONFIG_NET_IPv6
int ip6t_getsockopt(FAR struct socket *psock, int option,
FAR void *value, FAR socklen_t *value_len);
#endif
* Name: ipt_alloc_table
*
* Description:
* Allocate an initial table info with valid_hooks specified.
* Will generate a default entry with standard target for each valid hook,
* and an entry with error target at the end of entry table.
*
* Input Parameters:
* table - The name of the table.
* valid_hooks - The valid_hooks of the table, it's a bitmap of hooks.
*
* Returned Value:
* Newly generated ipt_replace structure.
*
****************************************************************************/
#ifdef CONFIG_NET_IPv4
FAR struct ipt_replace *ipt_alloc_table(FAR const char *table,
unsigned int valid_hooks);
#endif
#ifdef CONFIG_NET_IPv6
FAR struct ip6t_replace *ip6t_alloc_table(FAR const char *table,
unsigned int valid_hooks);
#endif
* Name: ipt_nat_init
*
* Description:
* Init NAT table data.
*
****************************************************************************/
#ifdef CONFIG_NET_NAT
FAR struct ipt_replace *ipt_nat_init(void);
#endif
* Name: ipt_nat_apply
*
* Description:
* Try to apply NAT rules, will do nothing if failed.
*
* Input Parameters:
* repl - The config got from user space to control NAT table.
*
****************************************************************************/
#ifdef CONFIG_NET_NAT
int ipt_nat_apply(FAR const struct ipt_replace *repl);
#endif
* Name: ipt_filter_init
*
* Description:
* Init filter table data.
*
****************************************************************************/
#ifdef CONFIG_NET_IPFILTER
# ifdef CONFIG_NET_IPv4
FAR struct ipt_replace *ipt_filter_init(void);
# endif
# ifdef CONFIG_NET_IPv6
FAR struct ip6t_replace *ip6t_filter_init(void);
# endif
#endif
* Name: ipt_filter_apply
*
* Description:
* Try to apply filter rules, will do nothing if failed.
*
* Input Parameters:
* repl - The config got from user space to control filter table.
*
****************************************************************************/
#ifdef CONFIG_NET_IPFILTER
# ifdef CONFIG_NET_IPv4
int ipt_filter_apply(FAR const struct ipt_replace *repl);
# endif
# ifdef CONFIG_NET_IPv6
int ip6t_filter_apply(FAR const struct ip6t_replace *repl);
# endif
#endif
#endif
#endif