/* * 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> */ #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 1569321993 /* 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) */ #define NG_BRIDGE_HOOK_UPLINK_PREFIX "uplink" /* append decimal integer */ #define NG_BRIDGE_HOOK_UPLINK_FMT "uplink%d" /* for use with printf(3) */ /* Node configuration structure */ struct ng_bridge_config { 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 { \ { "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 } \ } struct ng_bridge_link; typedef struct ng_bridge_link *link_p; /* external representation of the host */ struct ng_bridge_hostent { u_char addr[6]; /* ethernet address */ char hook[NG_HOOKSIZ]; /* 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) }, \ { "hook", &ng_parse_hookbuf_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_hostent hosts[]; }; /* 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 } \ } struct ng_bridge_move_host { u_char addr[ETHER_ADDR_LEN]; /* ethernet address */ char hook[NG_HOOKSIZ]; /* link where addr can be found */ }; /* Keep this in sync with the above structure definition */ #define NG_BRIDGE_MOVE_HOST_TYPE_INFO(entype) { \ { "addr", (entype) }, \ { "hook", &ng_parse_hookbuf_type }, \ { 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 */ NGM_BRIDGE_SET_PERSISTENT, /* set persistent mode */ NGM_BRIDGE_MOVE_HOST, /* move a host to a link */ }; #endif /* _NETGRAPH_NG_BRIDGE_H_ */
