/* * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2002 Ericsson Research & Pekka Nikander * Copyright (c) 2020 Nick Hibma <n_hibma@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _NETGRAPH_MACFILTER_H_ #define _NETGRAPH_MACFILTER_H_ #define NG_MACFILTER_NODE_TYPE "macfilter" #define NGM_MACFILTER_COOKIE 1042445461 /* Hook names */ #define NG_MACFILTER_HOOK_ETHER "ether" /* connected to ether:lower */ #define NG_MACFILTER_HOOK_DEFAULT "default" /* connected to ether:upper; upper[0] */ /* Other hooks may be named freely connected to ether:upper; upper[1..n]*/ #define NG_MACFILTER_HOOK_DEFAULT_ID 0 #define OFFSETOF(s, e) ((char *)&((s *)0)->e - (char *)((s *)0)) /* Netgraph commands understood/sent by this node type */ enum { NGM_MACFILTER_RESET = 1, NGM_MACFILTER_DIRECT = 2, NGM_MACFILTER_DIRECT_HOOKID = 3, NGM_MACFILTER_GET_MACS = 4, NGM_MACFILTER_GETCLR_MACS = 5, NGM_MACFILTER_CLR_MACS = 6, NGM_MACFILTER_GET_HOOKS = 7 }; /* This structure is supplied with the NGM_MACFILTER_DIRECT command */ struct ngm_macfilter_direct { u_char ether[ETHER_ADDR_LEN]; /* MAC address */ u_char hookname[NG_HOOKSIZ]; /* Upper hook name*/ }; #define NGM_MACFILTER_DIRECT_FIELDS { \ { "ether", &ng_parse_enaddr_type }, \ { "hookname", &ng_parse_hookbuf_type }, \ { NULL } \ } /* This structure is supplied with the NGM_MACFILTER_DIRECT_HOOKID command */ struct ngm_macfilter_direct_hookid { u_char ether[ETHER_ADDR_LEN]; /* MAC address */ u_int16_t hookid; /* Upper hook hookid */ }; #define NGM_MACFILTER_DIRECT_NDX_FIELDS { \ { "ether", &ng_parse_enaddr_type }, \ { "hookid", &ng_parse_uint16_type }, \ { NULL } \ } /* This structure is returned in the array by the NGM_MACFILTER_GET(CLR)_MACS commands */ struct ngm_macfilter_mac { u_char ether[ETHER_ADDR_LEN]; /* MAC address */ u_int16_t hookid; /* Upper hook hookid */ u_int64_t packets_in; /* packets in from downstream */ u_int64_t bytes_in; /* bytes in from upstream */ u_int64_t packets_out; /* packets out towards downstream */ u_int64_t bytes_out; /* bytes out towards downstream */ }; #define NGM_MACFILTER_MAC_FIELDS { \ { "ether", &ng_parse_enaddr_type }, \ { "hookid", &ng_parse_uint16_type }, \ { "packets_in", &ng_parse_uint64_type }, \ { "bytes_in", &ng_parse_uint64_type }, \ { "packets_out", &ng_parse_uint64_type }, \ { "bytes_out", &ng_parse_uint64_type }, \ { NULL } \ } /* This structure is returned by the NGM_MACFILTER_GET(CLR)_MACS commands */ struct ngm_macfilter_macs { u_int32_t n; /* Number of entries in macs */ struct ngm_macfilter_mac macs[]; /* Macs table */ }; #define NGM_MACFILTER_MACS_FIELDS { \ { "n", &ng_parse_uint32_type }, \ { "macs", &ng_macfilter_macs_array_type },\ { NULL } \ } /* This structure is returned in an array by the NGM_MACFILTER_GET_HOOKS command */ struct ngm_macfilter_hook { u_char hookname[NG_HOOKSIZ]; /* Upper hook name*/ u_int16_t hookid; /* Upper hook hookid */ u_int32_t maccnt; /* Number of mac addresses associated with hook */ }; #define NGM_MACFILTER_HOOK_FIELDS { \ { "hookname", &ng_parse_hookbuf_type }, \ { "hookid", &ng_parse_uint16_type }, \ { "maccnt", &ng_parse_uint32_type }, \ { NULL } \ } /* This structure is returned by the NGM_MACFILTER_GET_HOOKS command */ struct ngm_macfilter_hooks { u_int32_t n; /* Number of entries in hooks */ struct ngm_macfilter_hook hooks[]; /* Hooks table */ }; #define NGM_MACFILTER_HOOKS_FIELDS { \ { "n", &ng_parse_uint32_type }, \ { "hooks", &ng_macfilter_hooks_array_type },\ { NULL } \ } #endif /* _NETGRAPH_MACFILTER_H_ */