6 * Copyright (c) 2000 Whistle Communications, Inc.
9 * Subject to the following obligations and disclaimer of warranty, use and
10 * redistribution of this software, in source or object code forms, with or
11 * without modifications are expressly permitted by Whistle Communications;
12 * provided, however, that:
13 * 1. Any and all reproductions of the source or object code must include the
14 * copyright notice above and the following disclaimer of warranties; and
15 * 2. No rights are granted, in any manner or form, to use Whistle
16 * Communications, Inc. trademarks, including the mark "WHISTLE
17 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
18 * such appears in the above copyright notice or in the software.
20 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
21 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
22 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
23 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
25 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
26 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
27 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
28 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
29 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
30 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
31 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
32 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
38 * Author: Archie Cobbs <archie@freebsd.org>
43 #ifndef _NETGRAPH_NG_BRIDGE_H_
44 #define _NETGRAPH_NG_BRIDGE_H_
47 * Support the older ABI based on fixed size tables.
48 * ABI is deprecated, to be removed in releases > 12
49 * Please note: There is no API support!
50 * You canno create new messages using the old API but messages conforming the
51 * old ABI are understood.
53 #define NGM_BRIDGE_TABLE_ABI
55 /* Node type name and magic cookie */
56 #define NG_BRIDGE_NODE_TYPE "bridge"
57 #define NGM_BRIDGE_COOKIE 1569321993
59 #ifdef NGM_BRIDGE_TABLE_ABI
60 #define NGM_BRIDGE_COOKIE_TBL 967239368
61 #define NG_BRIDGE_MAX_LINKS 32
62 #endif /* NGM_BRIDGE_TABLE_ABI */
65 #define NG_BRIDGE_HOOK_LINK_PREFIX "link" /* append decimal integer */
66 #define NG_BRIDGE_HOOK_LINK_FMT "link%d" /* for use with printf(3) */
68 /* Node configuration structure */
69 struct ng_bridge_config {
70 u_char debugLevel; /* debug level */
71 u_int32_t loopTimeout; /* link loopback mute time */
72 u_int32_t maxStaleness; /* max host age before nuking */
73 u_int32_t minStableAge; /* min time for a stable host */
76 #ifdef NGM_BRIDGE_TABLE_ABI
77 struct ng_bridge_config_tbl {
78 u_char ipfw[NG_BRIDGE_MAX_LINKS];
79 struct ng_bridge_config cfg;
81 #endif /* NGM_BRIDGE_TABLE_ABI */
83 /* Keep this in sync with the above structure definition */
84 #define NG_BRIDGE_CONFIG_TYPE_INFO { \
85 { "debugLevel", &ng_parse_uint8_type }, \
86 { "loopTimeout", &ng_parse_uint32_type }, \
87 { "maxStaleness", &ng_parse_uint32_type }, \
88 { "minStableAge", &ng_parse_uint32_type }, \
92 /* Statistics structure (one for each link) */
93 struct ng_bridge_link_stats {
94 u_int64_t recvOctets; /* total octets rec'd on link */
95 u_int64_t recvPackets; /* total pkts rec'd on link */
96 u_int64_t recvMulticasts; /* multicast pkts rec'd on link */
97 u_int64_t recvBroadcasts; /* broadcast pkts rec'd on link */
98 u_int64_t recvUnknown; /* pkts rec'd with unknown dest addr */
99 u_int64_t recvRunts; /* pkts rec'd less than 14 bytes */
100 u_int64_t recvInvalid; /* pkts rec'd with bogus source addr */
101 u_int64_t xmitOctets; /* total octets xmit'd on link */
102 u_int64_t xmitPackets; /* total pkts xmit'd on link */
103 u_int64_t xmitMulticasts; /* multicast pkts xmit'd on link */
104 u_int64_t xmitBroadcasts; /* broadcast pkts xmit'd on link */
105 u_int64_t loopDrops; /* pkts dropped due to loopback */
106 u_int64_t loopDetects; /* number of loop detections */
107 u_int64_t memoryFailures; /* times couldn't get mem or mbuf */
110 /* Keep this in sync with the above structure definition */
111 #define NG_BRIDGE_STATS_TYPE_INFO { \
112 { "recvOctets", &ng_parse_uint64_type }, \
113 { "recvPackets", &ng_parse_uint64_type }, \
114 { "recvMulticast", &ng_parse_uint64_type }, \
115 { "recvBroadcast", &ng_parse_uint64_type }, \
116 { "recvUnknown", &ng_parse_uint64_type }, \
117 { "recvRunts", &ng_parse_uint64_type }, \
118 { "recvInvalid", &ng_parse_uint64_type }, \
119 { "xmitOctets", &ng_parse_uint64_type }, \
120 { "xmitPackets", &ng_parse_uint64_type }, \
121 { "xmitMulticasts", &ng_parse_uint64_type }, \
122 { "xmitBroadcasts", &ng_parse_uint64_type }, \
123 { "loopDrops", &ng_parse_uint64_type }, \
124 { "loopDetects", &ng_parse_uint64_type }, \
125 { "memoryFailures", &ng_parse_uint64_type }, \
129 struct ng_bridge_link;
130 typedef struct ng_bridge_link *link_p;
131 /* Structure describing a single host */
132 struct ng_bridge_host {
133 u_char addr[6]; /* ethernet address */
134 link_p link; /* link where addr can be found */
135 u_int16_t age; /* seconds ago entry was created */
136 u_int16_t staleness; /* seconds ago host last heard from */
139 #ifdef NGM_BRIDGE_TABLE_ABI
140 struct ng_bridge_host_tbl {
141 u_char addr[6]; /* ethernet address */
142 u_int16_t linkNum; /* link where addr can be found */
143 u_int16_t age; /* seconds ago entry was created */
144 u_int16_t staleness; /* seconds ago host last heard from */
146 #endif /* NGM_BRIDGE_TABLE_ABI */
148 /* external representation of the host */
149 struct ng_bridge_hostent {
150 u_char addr[6]; /* ethernet address */
151 char hook[NG_HOOKSIZ]; /* link where addr can be found */
152 u_int16_t age; /* seconds ago entry was created */
153 u_int16_t staleness; /* seconds ago host last heard from */
156 /* Keep this in sync with the above structure definition */
157 #define NG_BRIDGE_HOST_TYPE_INFO(entype) { \
158 { "addr", (entype) }, \
159 { "hook", &ng_parse_hookbuf_type }, \
160 { "age", &ng_parse_uint16_type }, \
161 { "staleness", &ng_parse_uint16_type }, \
165 /* Structure returned by NGM_BRIDGE_GET_TABLE */
166 struct ng_bridge_host_ary {
168 struct ng_bridge_hostent hosts[];
171 /* Keep this in sync with the above structure definition */
172 #define NG_BRIDGE_HOST_ARY_TYPE_INFO(harytype) { \
173 { "numHosts", &ng_parse_uint32_type }, \
174 { "hosts", (harytype) }, \
178 #ifdef NGM_BRIDGE_TABLE_ABI
179 struct ng_bridge_hostent_tbl {
180 u_char addr[6]; /* ethernet address */
181 u_int16_t linkNum; /* link where addr can be found */
182 u_int16_t age; /* seconds ago entry was created */
183 u_int16_t staleness; /* seconds ago host last heard from */
185 struct ng_bridge_host_tbl_ary {
187 struct ng_bridge_hostent_tbl hosts[];
189 #endif /* NGM_BRIDGE_TABLE_ABI */
191 /* Netgraph control messages */
193 NGM_BRIDGE_SET_CONFIG = 1, /* set node configuration */
194 NGM_BRIDGE_GET_CONFIG, /* get node configuration */
195 NGM_BRIDGE_RESET, /* reset (forget) all information */
196 NGM_BRIDGE_GET_STATS, /* get link stats */
197 NGM_BRIDGE_CLR_STATS, /* clear link stats */
198 NGM_BRIDGE_GETCLR_STATS, /* atomically get & clear link stats */
199 NGM_BRIDGE_GET_TABLE, /* get link table */
200 NGM_BRIDGE_SET_PERSISTENT, /* set persistent mode */
203 #endif /* _NETGRAPH_NG_BRIDGE_H_ */