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author | archie <archie@FreeBSD.org> | 2000-11-16 05:58:33 +0000 |
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committer | archie <archie@FreeBSD.org> | 2000-11-16 05:58:33 +0000 |
commit | 84d919eea0b0b2ce089897bad0f22e7f3ba17e2e (patch) | |
tree | a87b704b673b4e4354d5ef95d13b60d55f03c200 /sys/netgraph/ng_one2many.h | |
parent | 9c0e982aa6e4c552253d85bc311eb222ab3c375d (diff) | |
download | FreeBSD-src-84d919eea0b0b2ce089897bad0f22e7f3ba17e2e.zip FreeBSD-src-84d919eea0b0b2ce089897bad0f22e7f3ba17e2e.tar.gz |
New netgraph node type ng_one2many(4).
Diffstat (limited to 'sys/netgraph/ng_one2many.h')
-rw-r--r-- | sys/netgraph/ng_one2many.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/sys/netgraph/ng_one2many.h b/sys/netgraph/ng_one2many.h new file mode 100644 index 0000000..182a7d1 --- /dev/null +++ b/sys/netgraph/ng_one2many.h @@ -0,0 +1,112 @@ + +/* + * ng_one2many.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_ONE2MANY_H_ +#define _NETGRAPH_NG_ONE2MANY_H_ + +/* Node type name and magic cookie */ +#define NG_ONE2MANY_NODE_TYPE "one2many" +#define NGM_ONE2MANY_COOKIE 971111383 + +/* Hook names */ +#define NG_ONE2MANY_HOOK_ONE "one" +#define NG_ONE2MANY_HOOK_MANY_PREFIX "many" /* append decimal integer */ +#define NG_ONE2MANY_HOOK_MANY_FMT "many%d" /* for use with printf(3) */ + +/* Maximum number of supported "many" links */ +#define NG_ONE2MANY_MAX_LINKS 64 + +/* Link number used to indicate the "one" hook */ +#define NG_ONE2MANY_ONE_LINKNUM (-1) + +/* Algorithms for outgoing packet distribution (XXX only one so far) */ +#define NG_ONE2MANY_XMIT_ROUNDROBIN 1 /* round-robin delivery */ + +/* Algorithms for detecting link failure (XXX only one so far) */ +#define NG_ONE2MANY_FAIL_MANUAL 1 /* use enabledLinks[] array */ + +/* Node configuration structure */ +struct ng_one2many_config { + u_int32_t xmitAlg; /* how to distribute packets */ + u_int32_t failAlg; /* how to detect link failure */ + u_char enabledLinks[NG_ONE2MANY_MAX_LINKS]; +}; + +/* Keep this in sync with the above structure definition */ +#define NG_ONE2MANY_CONFIG_TYPE_INFO(atype) { \ + { \ + { "xmitAlg", &ng_parse_uint64_type }, \ + { "failAlg", &ng_parse_uint64_type }, \ + { "enabledLinks", (atype) }, \ + { NULL } \ + } \ +} + +/* Statistics structure (one for each link) */ +struct ng_one2many_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 xmitOctets; /* total octets xmit'd on link */ + u_int64_t xmitPackets; /* total pkts xmit'd on link */ +}; + +/* Keep this in sync with the above structure definition */ +#define NG_ONE2MANY_LINK_STATS_TYPE_INFO { \ + { \ + { "recvOctets", &ng_parse_uint64_type }, \ + { "recvPackets", &ng_parse_uint64_type }, \ + { "xmitOctets", &ng_parse_uint64_type }, \ + { "xmitPackets", &ng_parse_uint64_type }, \ + { NULL } \ + } \ +} + +/* Netgraph control messages */ +enum { + NGM_ONE2MANY_SET_CONFIG, /* set configuration */ + NGM_ONE2MANY_GET_CONFIG, /* get configuration */ + NGM_ONE2MANY_GET_STATS, /* get link stats */ + NGM_ONE2MANY_CLR_STATS, /* clear link stats */ + NGM_ONE2MANY_GETCLR_STATS, /* atomically get & clear link stats */ +}; + +#endif /* _NETGRAPH_NG_ONE2MANY_H_ */ + |