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Diffstat (limited to 'sys/netgraph/ng_async.h')
| -rw-r--r-- | sys/netgraph/ng_async.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sys/netgraph/ng_async.h b/sys/netgraph/ng_async.h new file mode 100644 index 000000000000..f08290fd43f7 --- /dev/null +++ b/sys/netgraph/ng_async.h @@ -0,0 +1,89 @@ + +/* + * ng_async.h + * + * Copyright (c) 1996-1999 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@whistle.com> + * + * $FreeBSD$ + * $Whistle: ng_async.h,v 1.5 1999/01/25 01:17:14 archie Exp $ + */ + +#ifndef _NETGRAPH_ASYNC_H_ +#define _NETGRAPH_ASYNC_H_ + +/* Type name and cookie */ +#define NG_ASYNC_NODE_TYPE "async" +#define NGM_ASYNC_COOKIE 886473715 + +/* Hook names */ +#define NG_ASYNC_HOOK_SYNC "sync" /* Normal encoding */ +#define NG_ASYNC_HOOK_SYNC2 "sync2" /* Full ACCM, no ACF comp. */ +#define NG_ASYNC_HOOK_ASYNC "async" /* Normal decoding */ + +/* Maximum receive size bounds (for both sync and async sides) */ +#define NG_ASYNC_MIN_MRU 1 +#define NG_ASYNC_MAX_MRU 8192 +#define NG_ASYNC_DEFAULT_MRU 1600 + +/* Frame statistics */ +struct ng_async_stat { + u_int32_t syncOctets; + u_int32_t syncFrames; + u_int32_t syncOverflows; + u_int32_t asyncOctets; + u_int32_t asyncFrames; + u_int32_t asyncRunts; + u_int32_t asyncOverflows; + u_int32_t asyncBadCheckSums; +}; + +/* Configuration for this node */ +struct ng_async_cfg { + u_char enabled; /* Turn encoding on/off */ + u_char acfcomp; /* Address/control field compression */ + u_int16_t amru; /* Max receive async frame length */ + u_int16_t smru; /* Max receive sync frame length */ + u_int32_t accm; /* ACCM encoding */ +}; + +/* Commands */ +enum { + NGM_ASYNC_CMD_GET_STATS = 1, /* returns struct ng_async_stat */ + NGM_ASYNC_CMD_CLR_STATS, + NGM_ASYNC_CMD_SET_CONFIG, /* takes struct ng_async_cfg */ + NGM_ASYNC_CMD_GET_CONFIG, /* returns struct ng_async_cfg */ +}; + +#endif /* _NETGRAPH_ASYNC_H_ */ |