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Diffstat (limited to 'sys/netgraph/ng_macfilter.h')
| -rw-r--r-- | sys/netgraph/ng_macfilter.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/sys/netgraph/ng_macfilter.h b/sys/netgraph/ng_macfilter.h new file mode 100644 index 000000000000..b6a01a2f4088 --- /dev/null +++ b/sys/netgraph/ng_macfilter.h @@ -0,0 +1,132 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * 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. + * + * $FreeBSD$ + */ + +#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_ */ |