163 lines
6.2 KiB
C
163 lines
6.2 KiB
C
|
|
/*
|
|
* 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_ */
|
|
|