The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netinet/pim_var.h

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    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: releng/8.2/sys/netinet/pim_var.h 212319 2010-09-08 14:21:12Z zec $
   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)  V_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_ */

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