sys/net/ipfw3/ip_fw3_table.h

   1 /*
   2  * Copyright (c) 2015 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Bill Yuan <bycn82@dragonflybsd.org>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  */
  35
  36 #ifndef _IP_FW3_TABLE_H_
  37 #define _IP_FW3_TABLE_H_
  38
  39 #define IPFW_TABLES_MAX         32
  40 #define IPFW_TABLE_NAME_LEN     32
  41
  42 #ifdef _KERNEL
  43 struct ipfw_table_context {
  44         struct  radix_node_head *node;
  45         struct  radix_node_head *mask;
  46         char    name[IPFW_TABLE_NAME_LEN];
  47         int     count;
  48         int     type;
  49 };
  50
  51 struct table_ip_entry{
  52         struct radix_node       rn[2];
  53         struct sockaddr_in      addr;
  54         struct sockaddr_in      mask;
  55 };
  56
  57 struct table_mac_entry {
  58         struct radix_node       rn[2];
  59         struct sockaddr         addr;
  60         struct sockaddr         mask;
  61 };
  62
  63 struct netmsg_table {
  64         struct netmsg_base base;
  65         struct ipfw_ioc_table *ioc_table;
  66         int retval;
  67 };
  68
  69 int ipfw_ctl_table_list(struct sockopt *sopt);
  70 int ipfw_ctl_table_remove(struct sockopt *sopt);
  71 int ipfw_ctl_table_flush(struct sockopt *sopt);
  72 int flush_table_ip_entry(struct radix_node *rn, void *arg);
  73 int flush_table_mac_entry(struct radix_node *rn, void *arg);
  74 int dump_table_ip_entry(struct radix_node *rn, void *arg);
  75 int dump_table_mac_entry(struct radix_node *rn, void *arg);
  76 int ipfw_ctl_table_show(struct sockopt *sopt);
  77 int ipfw_ctl_table_test(struct sockopt *sopt);
  78 int ipfw_ctl_table_rename(struct sockopt *sopt);
  79 int ipfw_ctl_table_create(struct sockopt *sopt);
  80 int ipfw_ctl_table_delete(struct sockopt *sopt);
  81 int ipfw_ctl_table_append(struct sockopt *sopt);
  82 int ipfw_ctl_table_sockopt(struct sockopt *sopt);
  83
  84 void table_init_dispatch(netmsg_t nmsg);
  85 void table_fini(void);
  86
  87 #endif  /* _KERNEL */
  88
  89 struct ipfw_ioc_table_ip_entry {
  90         in_addr_t       addr;           /* network address */
  91         u_int8_t        masklen;        /* mask length */
  92 };
  93
  94 struct ipfw_ioc_table_mac_entry {
  95         struct ether_addr       addr;
  96 };
  97
  98 struct ipfw_ioc_table {
  99         int     id;
 100         int     type;
 101         int     count;
 102         char    name[IPFW_TABLE_NAME_LEN];
 103         struct ipfw_ioc_table_ip_entry ip_ent[0];
 104         struct ipfw_ioc_table_mac_entry mac_ent[0];
 105 };
 106
 107 #endif /* _IP_FW3_TABLE_H_ */