sys/net/ipfw3_layer2/ip_fw3_layer2.h

   1 /*
   2  * Copyright (c) 2014 - 2018 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 #ifndef _IP_FW3_LAYER2_H
  35 #define _IP_FW3_LAYER2_H
  36
  37 #define MODULE_LAYER2_ID        1
  38 #define MODULE_LAYER2_NAME      "layer2"
  39
  40 #ifdef _KERNEL
  41
  42 void    check_layer2(int *cmd_ctl, int *cmd_val, struct ip_fw_args **args,
  43                 struct ip_fw **f, ipfw_insn *cmd, uint16_t ip_len);
  44 void    check_mac(int *cmd_ctl, int *cmd_val, struct ip_fw_args **args,
  45                 struct ip_fw **f, ipfw_insn *cmd, uint16_t ip_len);
  46 void    check_mac_from(int *cmd_ctl, int *cmd_val, struct ip_fw_args **args,
  47                 struct ip_fw **f, ipfw_insn *cmd, uint16_t ip_len);
  48 void    check_mac_from_lookup(int *cmd_ctl, int *cmd_val, struct ip_fw_args **args,
  49                 struct ip_fw **f, ipfw_insn *cmd, uint16_t ip_len);
  50 void    check_mac_to(int *cmd_ctl, int *cmd_val, struct ip_fw_args **args,
  51                 struct ip_fw **f, ipfw_insn *cmd, uint16_t ip_len);
  52 void    check_mac_to_lookup(int *cmd_ctl, int *cmd_val, struct ip_fw_args **args,
  53                 struct ip_fw **f, ipfw_insn *cmd, uint16_t ip_len);
  54
  55 #endif
  56
  57 enum ipfw3_layer2_opcodes {
  58         O_LAYER2_LAYER2,
  59         O_LAYER2_MAC,
  60         O_LAYER2_MAC_TYPE,
  61         O_LAYER2_MAC_SRC,               /* from with layer2     */
  62         O_LAYER2_MAC_DST,               /* to   with layer2     */
  63         O_LAYER2_MAC_SRC_LOOKUP,        /* from table N +layer2 */
  64         O_LAYER2_MAC_DST_LOOKUP,        /* to   table N +layer2 */
  65 };
  66
  67 #endif