xref: /freebsd/sys/netinet/pim_var.h (revision d5fc25e5d6c52b306312784663ccad85923a9c76)
1 /*-
2  * Copyright (c) 1998-2000
3  * University of Southern California/Information Sciences Institute.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the project nor the names of its contributors
15  *    may be used to endorse or promote products derived from this software
16  *    without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _NETINET_PIM_VAR_H_
34 #define _NETINET_PIM_VAR_H_
35 
36 /*
37  * Protocol Independent Multicast (PIM),
38  * kernel variables and implementation-specific definitions.
39  *
40  * Written by George Edmond Eddy (Rusty), ISI, February 1998.
41  * Modified by Pavlin Radoslavov, USC/ISI, May 1998, Aug 1999, October 2000.
42  * Modified by Hitoshi Asaeda, WIDE, August 1998.
43  */
44 
45 /*
46  * PIM statistics kept in the kernel
47  */
48 struct pimstat {
49 	u_quad_t pims_rcv_total_msgs;	   /* total PIM messages received    */
50 	u_quad_t pims_rcv_total_bytes;	   /* total PIM bytes received	     */
51 	u_quad_t pims_rcv_tooshort;	   /* rcvd with too few bytes	     */
52 	u_quad_t pims_rcv_badsum;	   /* rcvd with bad checksum	     */
53 	u_quad_t pims_rcv_badversion;	   /* rcvd bad PIM version	     */
54 	u_quad_t pims_rcv_registers_msgs;  /* rcvd regs. msgs (data only)    */
55 	u_quad_t pims_rcv_registers_bytes; /* rcvd regs. bytes (data only)   */
56 	u_quad_t pims_rcv_registers_wrongiif; /* rcvd regs. on wrong iif     */
57 	u_quad_t pims_rcv_badregisters;	   /* rcvd invalid registers	     */
58 	u_quad_t pims_snd_registers_msgs;  /* sent regs. msgs (data only)    */
59 	u_quad_t pims_snd_registers_bytes; /* sent regs. bytes (data only)   */
60 };
61 
62 #ifdef _KERNEL
63 #define	PIMSTAT_ADD(name, val)	pimstat.name += (val)
64 #define	PIMSTAT_INC(name)	PIMSTAT_ADD(name, 1)
65 #endif
66 
67 /*
68  * Names for PIM sysctl objects
69  */
70 #define PIMCTL_STATS		1	/* statistics (read-only) */
71 #define PIMCTL_MAXID		2
72 
73 #define PIMCTL_NAMES {			\
74 	{ 0, 0 },			\
75 	{ "stats", CTLTYPE_STRUCT },	\
76 }
77 
78 #ifdef _KERNEL
79 
80 void pim_input(struct mbuf *, int);
81 SYSCTL_DECL(_net_inet_pim);
82 #endif
83 
84 #endif /* _NETINET_PIM_VAR_H_ */
85