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: releng/6.0/sys/netgraph/ng_source.h 144674 2005-04-05 17:22:05Z glebius $
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_ */
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