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 68