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