1 /* 2 * ng_source.h 3 */ 4 5 /*- 6 * Copyright 2002 Sandvine 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 Sandvine Inc.; provided, 12 * 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 Sandvine Inc. 16 * trademarks, including the mark "SANDVINE" on advertising, endorsements, 17 * or otherwise except as such appears in the above copyright notice or in 18 * the software. 19 * 20 * THIS SOFTWARE IS BEING PROVIDED BY SANDVINE "AS IS", AND TO THE MAXIMUM 21 * EXTENT PERMITTED BY LAW, SANDVINE MAKES NO REPRESENTATIONS OR WARRANTIES, 22 * EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, 23 * ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 24 * PURPOSE, OR NON-INFRINGEMENT. SANDVINE DOES NOT WARRANT, GUARANTEE, OR 25 * MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE 26 * USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY 27 * OR OTHERWISE. IN NO EVENT SHALL SANDVINE 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 SANDVINE IS ADVISED OF THE POSSIBILITY OF SUCH 35 * DAMAGE. 36 * 37 * Author: Dave Chapeskie <dchapeskie@sandvine.com> 38 * 39 * $FreeBSD$ 40 */ 41 42 #ifndef _NETGRAPH_NG_SOURCE_H_ 43 #define _NETGRAPH_NG_SOURCE_H_ 44 45 /* Node type name and magic cookie */ 46 #define NG_SOURCE_NODE_TYPE "source" 47 #define NGM_SOURCE_COOKIE 1110646684 48 49 /* Hook names */ 50 #define NG_SOURCE_HOOK_INPUT "input" 51 #define NG_SOURCE_HOOK_OUTPUT "output" 52 53 /* Statistics structure returned by NGM_SOURCE_GET_STATS */ 54 struct ng_source_stats { 55 u_int64_t outOctets; 56 u_int64_t outFrames; 57 u_int32_t queueOctets; 58 u_int32_t queueFrames; 59 struct timeval startTime; 60 struct timeval endTime; 61 struct timeval elapsedTime; 62 }; 63 64 extern const struct ng_parse_type ng_source_timeval_type; 65 /* Keep this in sync with the above structure definition */ 66 #define NG_SOURCE_STATS_TYPE_INFO { \ 67 { "outOctets", &ng_parse_uint64_type }, \ 68 { "outFrames", &ng_parse_uint64_type }, \ 69 { "queueOctets", &ng_parse_uint32_type }, \ 70 { "queueFrames", &ng_parse_uint32_type }, \ 71 { "startTime", &ng_source_timeval_type }, \ 72 { "endTime", &ng_source_timeval_type }, \ 73 { "elapsedTime", &ng_source_timeval_type }, \ 74 { NULL } \ 75 } 76 77 /* Netgraph commands */ 78 enum { 79 NGM_SOURCE_GET_STATS = 1, /* get stats */ 80 NGM_SOURCE_CLR_STATS, /* clear stats */ 81 NGM_SOURCE_GETCLR_STATS, /* atomically get and clear stats */ 82 NGM_SOURCE_START, /* start sending queued data */ 83 NGM_SOURCE_STOP, /* stop sending queued data */ 84 NGM_SOURCE_CLR_DATA, /* clear the queued data */ 85 NGM_SOURCE_SETIFACE, /* configure downstream iface */ 86 }; 87 88 #endif /* _NETGRAPH_NG_SOURCE_H_ */ 89