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/net/netisr.h

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    1 /* $NetBSD: netisr.h,v 1.38 2008/10/14 17:15:20 pooka Exp $ */
    2 
    3 /*
    4  * Copyright (c) 1980, 1986, 1989, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      @(#)netisr.h    8.1 (Berkeley) 6/10/93
   32  */
   33 
   34 #ifndef _NET_NETISR_H_
   35 #define _NET_NETISR_H_          /* checked by netisr_dispatch.h */
   36 
   37 /*
   38  * The networking code runs off software interrupts.
   39  *
   40  * You can switch into the network by doing splsoftnet() and return by splx().
   41  * The software interrupt level for the network is higher than the software
   42  * level for the clock (so you can enter the network in routines called
   43  * at timeout time).
   44  *
   45  * The routine to request a network software interrupt, setsoftnet(),
   46  * is defined in the machine-specific include files.
   47  */
   48 
   49 #if defined(_KERNEL)
   50 
   51 #if !defined(_LKM)
   52 #include "opt_inet.h"
   53 #include "opt_atalk.h"
   54 #include "opt_iso.h"
   55 #include "opt_natm.h"
   56 #include "arp.h"
   57 #endif /* !defined(_LKM) */
   58 
   59 #if !defined(_LOCORE)
   60 
   61 /* XXX struct sockaddr defn for for if.h, if_arp.h */
   62 #include <sys/socket.h>
   63 
   64 /*
   65  * XXX IFNAMSIZE for if_ppp.h, natm.h; struct ifnet decl for in6.h, in.h;
   66  * XXX struct mbuf decl for in6.h, in.h, route.h (via in_var.h).
   67  */
   68 #include <net/if.h>
   69 
   70 #ifdef INET
   71 #include <netinet/in.h>
   72 #include <netinet/ip_var.h>
   73 #if NARP > 0
   74 #include <netinet/if_inarp.h>
   75 #endif
   76 #endif
   77 #ifdef INET6
   78 # ifndef INET
   79 #  include <netinet/in.h>
   80 # endif
   81 #include <netinet/ip6.h>
   82 #include <netinet6/ip6_var.h>
   83 #endif
   84 #ifdef ISO
   85 #include <netiso/iso.h>
   86 #include <netiso/clnp.h>
   87 #endif
   88 #ifdef NATM
   89 #include <netnatm/natm.h>
   90 #endif
   91 #ifdef NETATALK
   92 #include <netatalk/at_extern.h>
   93 #endif
   94 
   95 #endif /* !defined(_LOCORE) */
   96 #endif /* defined(_KERNEL) */
   97 
   98 
   99 /*
  100  * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
  101  * word which is used to de-multiplex a single software
  102  * interrupt used for scheduling the network code to calls
  103  * on the lowest level routine of each protocol.
  104  */
  105 #define NETISR_IP       2               /* same as AF_INET */
  106 #define NETISR_NS       6               /* same as AF_NS */
  107 #define NETISR_ISO      7               /* same as AF_ISO */
  108 #define NETISR_CCITT    10              /* same as AF_CCITT */
  109 #define NETISR_ATALK    16              /* same as AF_APPLETALK */
  110 #define NETISR_IPX      23              /* same as AF_IPX */
  111 #define NETISR_IPV6     24              /* same as AF_INET6 */
  112 #define NETISR_ISDN     26              /* same as AF_E164 */
  113 #define NETISR_NATM     27              /* same as AF_NATM */
  114 #define NETISR_ARP      28              /* same as AF_ARP */
  115 #define NETISR_MAX      AF_MAX
  116 
  117 #if !defined(_LOCORE) && defined(_KERNEL)
  118 /* XXX Legacy netisr support. */
  119 void    schednetisr(int);
  120 #endif
  121 
  122 #endif /* !_NET_NETISR_H_ */

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