1 /* 2 * ng_sample.h 3 */ 4 5 /*- 6 * Copyright (c) 1996-1999 Whistle Communications, Inc. 7 * All rights reserved. 8 * 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. 19 * 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 36 * OF SUCH DAMAGE. 37 * 38 * Author: Julian Elischer <julian@freebsd.org> 39 * $Whistle: ng_sample.h,v 1.3 1999/01/20 00:22:14 archie Exp $ 40 */ 41 42 #ifndef _NETGRAPH_NG_SAMPLE_H_ 43 #define _NETGRAPH_NG_SAMPLE_H_ 44 45 /* Node type name. This should be unique among all netgraph node types */ 46 #define NG_XXX_NODE_TYPE "sample" 47 48 /* Node type cookie. Should also be unique. This value MUST change whenever 49 an incompatible change is made to this header file, to insure consistency. 50 The de facto method for generating cookies is to take the output of the 51 date command: date -u +'%s' */ 52 #define NGM_XXX_COOKIE 915491374 53 54 /* Number of active DLCI's we can handle */ 55 #define XXX_NUM_DLCIS 16 56 57 /* Hook names */ 58 #define NG_XXX_HOOK_DLCI_LEADIN "dlci" 59 #define NG_XXX_HOOK_DOWNSTREAM "downstream" 60 #define NG_XXX_HOOK_DEBUG "debug" 61 62 /* Netgraph commands understood by this node type */ 63 enum { 64 NGM_XXX_SET_FLAG = 1, 65 NGM_XXX_GET_STATUS, 66 }; 67 68 /* This structure is returned by the NGM_XXX_GET_STATUS command */ 69 struct ngxxxstat { 70 u_int32_t packets_in; /* packets in from downstream */ 71 u_int32_t packets_out; /* packets out towards downstream */ 72 }; 73 74 /* 75 * This is used to define the 'parse type' for a struct ngxxxstat, which 76 * is basically a description of how to convert a binary struct ngxxxstat 77 * to an ASCII string and back. See ng_parse.h for more info. 78 * 79 * This needs to be kept in sync with the above structure definition 80 */ 81 #define NG_XXX_STATS_TYPE_INFO { \ 82 { "packets_in", &ng_parse_uint32_type }, \ 83 { "packets_out", &ng_parse_uint32_type }, \ 84 { NULL } \ 85 } 86 87 #endif /* _NETGRAPH_NG_SAMPLE_H_ */ 88