1 /* 2 * ng_eiface.h 3 * 4 * Copyright (c) 1999-2001, Vitaly V Belekhov 5 * All rights reserved. 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 * 1. Redistributions of source code must retain the above copyright 11 * notice unmodified, this list of conditions, and the following 12 * disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _NETGRAPH_NG_EIFACE_H_ 33 #define _NETGRAPH_NG_EIFACE_H_ 34 35 /* Node type name and magic cookie */ 36 #define NG_EIFACE_NODE_TYPE "eiface" 37 #define NGM_EIFACE_COOKIE 948105892 38 39 /* Interface base name */ 40 #define NG_EIFACE_EIFACE_NAME "nge" 41 #define NG_EIFACE_EIFACE_NAME_MAX 15 42 43 /* My hook names */ 44 #define NG_EIFACE_HOOK_ETHER "ether" 45 46 /* MTU bounds */ 47 #define NG_EIFACE_MTU_MIN 72 48 #define NG_EIFACE_MTU_MAX 2312 49 #define NG_EIFACE_MTU_DEFAULT 1500 50 51 /* Netgraph commands */ 52 enum { 53 NGM_EIFACE_GET_IFNAME = 1, /* returns struct ng_eiface_ifname */ 54 NGM_EIFACE_GET_IFADDRS, /* returns list of addresses */ 55 NGM_EIFACE_SET, /* set ethernet address */ 56 }; 57 58 struct ng_eiface_ifname { 59 char ngif_name[NG_EIFACE_EIFACE_NAME_MAX + 1]; 60 }; 61 62 struct ng_eiface_par { 63 u_char oct0; 64 u_char oct1; 65 u_char oct2; 66 u_char oct3; 67 u_char oct4; 68 u_char oct5; 69 }; 70 71 /* Keep this in sync with the above structure definition */ 72 #define NG_EIFACE_PAR_FIELDS { \ 73 { "oct0", &ng_parse_int8_type }, \ 74 { "oct1", &ng_parse_int8_type }, \ 75 { "oct2", &ng_parse_int8_type }, \ 76 { "oct3", &ng_parse_int8_type }, \ 77 { "oct4", &ng_parse_int8_type }, \ 78 { "oct5", &ng_parse_int8_type }, \ 79 { NULL } \ 80 } 81 82 #endif /* _NETGRAPH_NG_EIFACE_H_ */ 83