1e8db04c3SNick Hibma /* 24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3e8db04c3SNick Hibma * 4e8db04c3SNick Hibma * Copyright (c) 2002 Ericsson Research & Pekka Nikander 5e8db04c3SNick Hibma * Copyright (c) 2020 Nick Hibma <n_hibma@FreeBSD.org> 6e8db04c3SNick Hibma * All rights reserved. 7e8db04c3SNick Hibma * 8e8db04c3SNick Hibma * Redistribution and use in source and binary forms, with or without 9e8db04c3SNick Hibma * modification, are permitted provided that the following conditions 10e8db04c3SNick Hibma * are met: 11e8db04c3SNick Hibma * 1. Redistributions of source code must retain the above copyright 12e8db04c3SNick Hibma * notice unmodified, this list of conditions, and the following 13e8db04c3SNick Hibma * disclaimer. 14e8db04c3SNick Hibma * 2. Redistributions in binary form must reproduce the above copyright 15e8db04c3SNick Hibma * notice, this list of conditions and the following disclaimer in the 16e8db04c3SNick Hibma * documentation and/or other materials provided with the distribution. 17e8db04c3SNick Hibma * 18e8db04c3SNick Hibma * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19e8db04c3SNick Hibma * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20e8db04c3SNick Hibma * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21e8db04c3SNick Hibma * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22e8db04c3SNick Hibma * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23e8db04c3SNick Hibma * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24e8db04c3SNick Hibma * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25e8db04c3SNick Hibma * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26e8db04c3SNick Hibma * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27e8db04c3SNick Hibma * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28e8db04c3SNick Hibma * SUCH DAMAGE. 29e8db04c3SNick Hibma */ 30e8db04c3SNick Hibma 31e8db04c3SNick Hibma #ifndef _NETGRAPH_MACFILTER_H_ 32e8db04c3SNick Hibma #define _NETGRAPH_MACFILTER_H_ 33e8db04c3SNick Hibma 34e8db04c3SNick Hibma #define NG_MACFILTER_NODE_TYPE "macfilter" 35e8db04c3SNick Hibma #define NGM_MACFILTER_COOKIE 1042445461 36e8db04c3SNick Hibma 37e8db04c3SNick Hibma /* Hook names */ 38e8db04c3SNick Hibma #define NG_MACFILTER_HOOK_ETHER "ether" /* connected to ether:lower */ 39e8db04c3SNick Hibma #define NG_MACFILTER_HOOK_DEFAULT "default" /* connected to ether:upper; upper[0] */ 40e8db04c3SNick Hibma /* Other hooks may be named freely connected to ether:upper; upper[1..n]*/ 41e8db04c3SNick Hibma #define NG_MACFILTER_HOOK_DEFAULT_ID 0 42e8db04c3SNick Hibma 43e8db04c3SNick Hibma #define OFFSETOF(s, e) ((char *)&((s *)0)->e - (char *)((s *)0)) 44e8db04c3SNick Hibma 45e8db04c3SNick Hibma /* Netgraph commands understood/sent by this node type */ 46e8db04c3SNick Hibma enum { 47e8db04c3SNick Hibma NGM_MACFILTER_RESET = 1, 48e8db04c3SNick Hibma NGM_MACFILTER_DIRECT = 2, 49e8db04c3SNick Hibma NGM_MACFILTER_DIRECT_HOOKID = 3, 50e8db04c3SNick Hibma NGM_MACFILTER_GET_MACS = 4, 51e8db04c3SNick Hibma NGM_MACFILTER_GETCLR_MACS = 5, 52e8db04c3SNick Hibma NGM_MACFILTER_CLR_MACS = 6, 53e8db04c3SNick Hibma NGM_MACFILTER_GET_HOOKS = 7 54e8db04c3SNick Hibma }; 55e8db04c3SNick Hibma 56e8db04c3SNick Hibma /* This structure is supplied with the NGM_MACFILTER_DIRECT command */ 57e8db04c3SNick Hibma struct ngm_macfilter_direct { 58e8db04c3SNick Hibma u_char ether[ETHER_ADDR_LEN]; /* MAC address */ 59e8db04c3SNick Hibma u_char hookname[NG_HOOKSIZ]; /* Upper hook name*/ 60e8db04c3SNick Hibma }; 61e8db04c3SNick Hibma #define NGM_MACFILTER_DIRECT_FIELDS { \ 62e8db04c3SNick Hibma { "ether", &ng_parse_enaddr_type }, \ 63e8db04c3SNick Hibma { "hookname", &ng_parse_hookbuf_type }, \ 64e8db04c3SNick Hibma { NULL } \ 65e8db04c3SNick Hibma } 66e8db04c3SNick Hibma 67e8db04c3SNick Hibma /* This structure is supplied with the NGM_MACFILTER_DIRECT_HOOKID command */ 68e8db04c3SNick Hibma struct ngm_macfilter_direct_hookid { 69e8db04c3SNick Hibma u_char ether[ETHER_ADDR_LEN]; /* MAC address */ 70e8db04c3SNick Hibma u_int16_t hookid; /* Upper hook hookid */ 71e8db04c3SNick Hibma }; 72e8db04c3SNick Hibma #define NGM_MACFILTER_DIRECT_NDX_FIELDS { \ 73e8db04c3SNick Hibma { "ether", &ng_parse_enaddr_type }, \ 74e8db04c3SNick Hibma { "hookid", &ng_parse_uint16_type }, \ 75e8db04c3SNick Hibma { NULL } \ 76e8db04c3SNick Hibma } 77e8db04c3SNick Hibma 78e8db04c3SNick Hibma /* This structure is returned in the array by the NGM_MACFILTER_GET(CLR)_MACS commands */ 79e8db04c3SNick Hibma struct ngm_macfilter_mac { 80e8db04c3SNick Hibma u_char ether[ETHER_ADDR_LEN]; /* MAC address */ 81e8db04c3SNick Hibma u_int16_t hookid; /* Upper hook hookid */ 82e8db04c3SNick Hibma u_int64_t packets_in; /* packets in from downstream */ 83e8db04c3SNick Hibma u_int64_t bytes_in; /* bytes in from upstream */ 84e8db04c3SNick Hibma u_int64_t packets_out; /* packets out towards downstream */ 85e8db04c3SNick Hibma u_int64_t bytes_out; /* bytes out towards downstream */ 86e8db04c3SNick Hibma }; 87e8db04c3SNick Hibma #define NGM_MACFILTER_MAC_FIELDS { \ 88e8db04c3SNick Hibma { "ether", &ng_parse_enaddr_type }, \ 89e8db04c3SNick Hibma { "hookid", &ng_parse_uint16_type }, \ 90e8db04c3SNick Hibma { "packets_in", &ng_parse_uint64_type }, \ 91e8db04c3SNick Hibma { "bytes_in", &ng_parse_uint64_type }, \ 92e8db04c3SNick Hibma { "packets_out", &ng_parse_uint64_type }, \ 93e8db04c3SNick Hibma { "bytes_out", &ng_parse_uint64_type }, \ 94e8db04c3SNick Hibma { NULL } \ 95e8db04c3SNick Hibma } 96e8db04c3SNick Hibma /* This structure is returned by the NGM_MACFILTER_GET(CLR)_MACS commands */ 97e8db04c3SNick Hibma struct ngm_macfilter_macs { 98e8db04c3SNick Hibma u_int32_t n; /* Number of entries in macs */ 99e8db04c3SNick Hibma struct ngm_macfilter_mac macs[]; /* Macs table */ 100e8db04c3SNick Hibma }; 101e8db04c3SNick Hibma #define NGM_MACFILTER_MACS_FIELDS { \ 102e8db04c3SNick Hibma { "n", &ng_parse_uint32_type }, \ 103e8db04c3SNick Hibma { "macs", &ng_macfilter_macs_array_type },\ 104e8db04c3SNick Hibma { NULL } \ 105e8db04c3SNick Hibma } 106e8db04c3SNick Hibma 107e8db04c3SNick Hibma /* This structure is returned in an array by the NGM_MACFILTER_GET_HOOKS command */ 108e8db04c3SNick Hibma struct ngm_macfilter_hook { 109e8db04c3SNick Hibma u_char hookname[NG_HOOKSIZ]; /* Upper hook name*/ 110e8db04c3SNick Hibma u_int16_t hookid; /* Upper hook hookid */ 111e8db04c3SNick Hibma u_int32_t maccnt; /* Number of mac addresses associated with hook */ 112e8db04c3SNick Hibma }; 113e8db04c3SNick Hibma #define NGM_MACFILTER_HOOK_FIELDS { \ 114e8db04c3SNick Hibma { "hookname", &ng_parse_hookbuf_type }, \ 115e8db04c3SNick Hibma { "hookid", &ng_parse_uint16_type }, \ 116e8db04c3SNick Hibma { "maccnt", &ng_parse_uint32_type }, \ 117e8db04c3SNick Hibma { NULL } \ 118e8db04c3SNick Hibma } 119e8db04c3SNick Hibma /* This structure is returned by the NGM_MACFILTER_GET_HOOKS command */ 120e8db04c3SNick Hibma struct ngm_macfilter_hooks { 121e8db04c3SNick Hibma u_int32_t n; /* Number of entries in hooks */ 122e8db04c3SNick Hibma struct ngm_macfilter_hook hooks[]; /* Hooks table */ 123e8db04c3SNick Hibma }; 124e8db04c3SNick Hibma #define NGM_MACFILTER_HOOKS_FIELDS { \ 125e8db04c3SNick Hibma { "n", &ng_parse_uint32_type }, \ 126e8db04c3SNick Hibma { "hooks", &ng_macfilter_hooks_array_type },\ 127e8db04c3SNick Hibma { NULL } \ 128e8db04c3SNick Hibma } 129e8db04c3SNick Hibma 130e8db04c3SNick Hibma #endif /* _NETGRAPH_MACFILTER_H_ */ 131