1 2 /* 3 * ng_tee.h 4 * 5 * Copyright (c) 1996-1999 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and 9 * redistribution of this software, in source or object code forms, with or 10 * without modifications are expressly permitted by Whistle Communications; 11 * provided, however, that: 12 * 1. Any and all reproductions of the source or object code must include the 13 * copyright notice above and the following disclaimer of warranties; and 14 * 2. No rights are granted, in any manner or form, to use Whistle 15 * Communications, Inc. trademarks, including the mark "WHISTLE 16 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 17 * such appears in the above copyright notice or in the software. 18 * 19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 * 37 * Author: Archie Cobbs <archie@freebsd.org> 38 * 39 * $FreeBSD: src/sys/netgraph/ng_tee.h,v 1.3.2.3 2002/07/02 23:44:03 archie Exp $ 40 * $DragonFly: src/sys/netgraph/tee/ng_tee.h,v 1.2 2003/06/17 04:28:51 dillon Exp $ 41 * $Whistle: ng_tee.h,v 1.2 1999/01/20 00:22:14 archie Exp $ 42 */ 43 44 #ifndef _NETGRAPH_TEE_H_ 45 #define _NETGRAPH_TEE_H_ 46 47 /* Node type name and magic cookie */ 48 #define NG_TEE_NODE_TYPE "tee" 49 #define NGM_TEE_COOKIE 916107047 50 51 /* Hook names */ 52 #define NG_TEE_HOOK_RIGHT "right" 53 #define NG_TEE_HOOK_LEFT "left" 54 #define NG_TEE_HOOK_RIGHT2LEFT "right2left" 55 #define NG_TEE_HOOK_LEFT2RIGHT "left2right" 56 57 /* Statistics structure for one hook */ 58 struct ng_tee_hookstat { 59 u_int64_t inOctets; 60 u_int64_t inFrames; 61 u_int64_t outOctets; 62 u_int64_t outFrames; 63 }; 64 65 /* Keep this in sync with the above structure definition */ 66 #define NG_TEE_HOOKSTAT_INFO { \ 67 { "inOctets", &ng_parse_uint64_type }, \ 68 { "inFrames", &ng_parse_uint64_type }, \ 69 { "outOctets", &ng_parse_uint64_type }, \ 70 { "outFrames", &ng_parse_uint64_type }, \ 71 { NULL } \ 72 } 73 74 /* Statistics structure returned by NGM_TEE_GET_STATS */ 75 struct ng_tee_stats { 76 struct ng_tee_hookstat right; 77 struct ng_tee_hookstat left; 78 struct ng_tee_hookstat right2left; 79 struct ng_tee_hookstat left2right; 80 }; 81 82 /* Keep this in sync with the above structure definition */ 83 #define NG_TEE_STATS_INFO(hstype) { \ 84 { "right", (hstype) }, \ 85 { "left", (hstype) }, \ 86 { "right2left", (hstype) }, \ 87 { "left2right", (hstype) }, \ 88 { NULL } \ 89 } 90 91 /* Netgraph commands */ 92 enum { 93 NGM_TEE_GET_STATS = 1, /* get stats */ 94 NGM_TEE_CLR_STATS, /* clear stats */ 95 NGM_TEE_GETCLR_STATS, /* atomically get and clear stats */ 96 }; 97 98 #endif /* _NETGRAPH_TEE_H_ */ 99