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Diffstat (limited to 'sys/netgraph/ng_bridge.h')
-rw-r--r-- | sys/netgraph/ng_bridge.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/sys/netgraph/ng_bridge.h b/sys/netgraph/ng_bridge.h new file mode 100644 index 0000000..7c83d3f --- /dev/null +++ b/sys/netgraph/ng_bridge.h @@ -0,0 +1,162 @@ + +/* + * ng_bridge.h + * + * Copyright (c) 2000 Whistle Communications, Inc. + * All rights reserved. + * + * Subject to the following obligations and disclaimer of warranty, use and + * redistribution of this software, in source or object code forms, with or + * without modifications are expressly permitted by Whistle Communications; + * provided, however, that: + * 1. Any and all reproductions of the source or object code must include the + * copyright notice above and the following disclaimer of warranties; and + * 2. No rights are granted, in any manner or form, to use Whistle + * Communications, Inc. trademarks, including the mark "WHISTLE + * COMMUNICATIONS" on advertising, endorsements, or otherwise except as + * such appears in the above copyright notice or in the software. + * + * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO + * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, + * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. + * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY + * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS + * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. + * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES + * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING + * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * Author: Archie Cobbs <archie@freebsd.org> + * + * $FreeBSD$ + */ + +#ifndef _NETGRAPH_NG_BRIDGE_H_ +#define _NETGRAPH_NG_BRIDGE_H_ + +/* Node type name and magic cookie */ +#define NG_BRIDGE_NODE_TYPE "bridge" +#define NGM_BRIDGE_COOKIE 967239368 + +/* Hook names */ +#define NG_BRIDGE_HOOK_LINK_PREFIX "link" /* append decimal integer */ +#define NG_BRIDGE_HOOK_LINK_FMT "link%d" /* for use with printf(3) */ + +/* Maximum number of supported links */ +#define NG_BRIDGE_MAX_LINKS 32 + +/* Node configuration structure */ +struct ng_bridge_config { + u_char ipfw[NG_BRIDGE_MAX_LINKS]; /* enable ipfw */ + u_char debugLevel; /* debug level */ + u_int32_t loopTimeout; /* link loopback mute time */ + u_int32_t maxStaleness; /* max host age before nuking */ + u_int32_t minStableAge; /* min time for a stable host */ +}; + +/* Keep this in sync with the above structure definition */ +#define NG_BRIDGE_CONFIG_TYPE_INFO(ainfo) { \ + { \ + { "ipfw", (ainfo) }, \ + { "debugLevel", &ng_parse_uint8_type }, \ + { "loopTimeout", &ng_parse_uint32_type }, \ + { "maxStaleness", &ng_parse_uint32_type }, \ + { "minStableAge", &ng_parse_uint32_type }, \ + { NULL } \ + } \ +} + +/* Statistics structure (one for each link) */ +struct ng_bridge_link_stats { + u_int64_t recvOctets; /* total octets rec'd on link */ + u_int64_t recvPackets; /* total pkts rec'd on link */ + u_int64_t recvMulticasts; /* multicast pkts rec'd on link */ + u_int64_t recvBroadcasts; /* broadcast pkts rec'd on link */ + u_int64_t recvUnknown; /* pkts rec'd with unknown dest addr */ + u_int64_t recvRunts; /* pkts rec'd less than 14 bytes */ + u_int64_t recvInvalid; /* pkts rec'd with bogus source addr */ + u_int64_t xmitOctets; /* total octets xmit'd on link */ + u_int64_t xmitPackets; /* total pkts xmit'd on link */ + u_int64_t xmitMulticasts; /* multicast pkts xmit'd on link */ + u_int64_t xmitBroadcasts; /* broadcast pkts xmit'd on link */ + u_int64_t loopDrops; /* pkts dropped due to loopback */ + u_int64_t loopDetects; /* number of loop detections */ + u_int64_t memoryFailures; /* times couldn't get mem or mbuf */ +}; + +/* Keep this in sync with the above structure definition */ +#define NG_BRIDGE_STATS_TYPE_INFO { \ + { \ + { "recvOctets", &ng_parse_uint64_type }, \ + { "recvPackets", &ng_parse_uint64_type }, \ + { "recvMulticast", &ng_parse_uint64_type }, \ + { "recvBroadcast", &ng_parse_uint64_type }, \ + { "recvUnknown", &ng_parse_uint64_type }, \ + { "recvRunts", &ng_parse_uint64_type }, \ + { "recvInvalid", &ng_parse_uint64_type }, \ + { "xmitOctets", &ng_parse_uint64_type }, \ + { "xmitPackets", &ng_parse_uint64_type }, \ + { "xmitMulticasts", &ng_parse_uint64_type }, \ + { "xmitBroadcasts", &ng_parse_uint64_type }, \ + { "loopDrops", &ng_parse_uint64_type }, \ + { "loopDetects", &ng_parse_uint64_type }, \ + { "memoryFailures", &ng_parse_uint64_type }, \ + { NULL } \ + } \ +} + +/* Structure describing a single host */ +struct ng_bridge_host { + u_char addr[6]; /* ethernet address */ + u_int16_t linkNum; /* link where addr can be found */ + u_int16_t age; /* seconds ago entry was created */ + u_int16_t staleness; /* seconds ago host last heard from */ +}; + +/* Keep this in sync with the above structure definition */ +#define NG_BRIDGE_HOST_TYPE_INFO(entype) { \ + { \ + { "addr", (entype) }, \ + { "linkNum", &ng_parse_uint16_type }, \ + { "age", &ng_parse_uint16_type }, \ + { "staleness", &ng_parse_uint16_type }, \ + { NULL } \ + } \ +} + +/* Structure returned by NGM_BRIDGE_GET_TABLE */ +struct ng_bridge_host_ary { + u_int32_t numHosts; + struct ng_bridge_host hosts[0]; +}; + +/* Keep this in sync with the above structure definition */ +#define NG_BRIDGE_HOST_ARY_TYPE_INFO(harytype) { \ + { \ + { "numHosts", &ng_parse_uint32_type }, \ + { "hosts", (harytype) }, \ + { NULL } \ + } \ +} + +/* Netgraph control messages */ +enum { + NGM_BRIDGE_SET_CONFIG = 1, /* set node configuration */ + NGM_BRIDGE_GET_CONFIG, /* get node configuration */ + NGM_BRIDGE_RESET, /* reset (forget) all information */ + NGM_BRIDGE_GET_STATS, /* get link stats */ + NGM_BRIDGE_CLR_STATS, /* clear link stats */ + NGM_BRIDGE_GETCLR_STATS, /* atomically get & clear link stats */ + NGM_BRIDGE_GET_TABLE, /* get link table */ +}; + +#endif /* _NETGRAPH_NG_BRIDGE_H_ */ + |