1 2 /* 3 * ng_tee.h 4 */ 5 6 /*- 7 * Copyright (c) 1996-1999 Whistle Communications, Inc. 8 * All rights reserved. 9 * 10 * Subject to the following obligations and disclaimer of warranty, use and 11 * redistribution of this software, in source or object code forms, with or 12 * without modifications are expressly permitted by Whistle Communications; 13 * provided, however, that: 14 * 1. Any and all reproductions of the source or object code must include the 15 * copyright notice above and the following disclaimer of warranties; and 16 * 2. No rights are granted, in any manner or form, to use Whistle 17 * Communications, Inc. trademarks, including the mark "WHISTLE 18 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 19 * such appears in the above copyright notice or in the software. 20 * 21 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 22 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 23 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 24 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 26 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 27 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 28 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 29 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 30 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 31 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 32 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 33 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 34 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 35 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 36 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 37 * OF SUCH DAMAGE. 38 * 39 * Author: Archie Cobbs <archie@freebsd.org> 40 * 41 * $FreeBSD$ 42 * $Whistle: ng_tee.h,v 1.2 1999/01/20 00:22:14 archie Exp $ 43 */ 44 45 #ifndef _NETGRAPH_NG_TEE_H_ 46 #define _NETGRAPH_NG_TEE_H_ 47 48 /* Node type name and magic cookie */ 49 #define NG_TEE_NODE_TYPE "tee" 50 #define NGM_TEE_COOKIE 916107047 51 52 /* Hook names */ 53 #define NG_TEE_HOOK_RIGHT "right" 54 #define NG_TEE_HOOK_LEFT "left" 55 #define NG_TEE_HOOK_RIGHT2LEFT "right2left" 56 #define NG_TEE_HOOK_LEFT2RIGHT "left2right" 57 58 /* Statistics structure for one hook */ 59 struct ng_tee_hookstat { 60 u_int64_t inOctets; 61 u_int64_t inFrames; 62 u_int64_t outOctets; 63 u_int64_t outFrames; 64 }; 65 66 /* Keep this in sync with the above structure definition */ 67 #define NG_TEE_HOOKSTAT_INFO { \ 68 { "inOctets", &ng_parse_uint64_type }, \ 69 { "inFrames", &ng_parse_uint64_type }, \ 70 { "outOctets", &ng_parse_uint64_type }, \ 71 { "outFrames", &ng_parse_uint64_type }, \ 72 { NULL } \ 73 } 74 75 /* Statistics structure returned by NGM_TEE_GET_STATS */ 76 struct ng_tee_stats { 77 struct ng_tee_hookstat right; 78 struct ng_tee_hookstat left; 79 struct ng_tee_hookstat right2left; 80 struct ng_tee_hookstat left2right; 81 }; 82 83 /* Keep this in sync with the above structure definition */ 84 #define NG_TEE_STATS_INFO(hstype) { \ 85 { "right", (hstype) }, \ 86 { "left", (hstype) }, \ 87 { "right2left", (hstype) }, \ 88 { "left2right", (hstype) }, \ 89 { NULL } \ 90 } 91 92 /* Netgraph commands */ 93 enum { 94 NGM_TEE_GET_STATS = 1, /* get stats */ 95 NGM_TEE_CLR_STATS, /* clear stats */ 96 NGM_TEE_GETCLR_STATS, /* atomically get and clear stats */ 97 }; 98 99 #endif /* _NETGRAPH_NG_TEE_H_ */ 100