reactos/lib/drivers/oskittcp/include/freebsd/src/sys/net/netisr.h

   1 /*
   2  * Copyright (c) 1980, 1986, 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)netisr.h    8.1 (Berkeley) 6/10/93
  34  */
  35
  36 #ifndef _NET_NETISR_H_
  37 #define _NET_NETISR_H_
  38
  39 /*
  40  * The networking code runs off software interrupts.
  41  *
  42  * You can switch into the network by doing splnet() and return by splx().
  43  * The software interrupt level for the network is higher than the software
  44  * level for the clock (so you can enter the network in routines called
  45  * at timeout time).
  46  */
  47 #if defined(vax) || defined(tahoe)
  48 #define setsoftnet()    mtpr(SIRR, 12)
  49 #endif
  50
  51 /*
  52  * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
  53  * word which is used to de-multiplex a single software
  54  * interrupt used for scheduling the network code to calls
  55  * on the lowest level routine of each protocol.
  56  */
  57 #define NETISR_RAW      0               /* same as AF_UNSPEC */
  58 #define NETISR_IP       2               /* same as AF_INET */
  59 #define NETISR_IMP      3               /* same as AF_IMPLINK */
  60 #define NETISR_NS       6               /* same as AF_NS */
  61 #define NETISR_ISO      7               /* same as AF_ISO */
  62 #define NETISR_CCITT    10              /* same as AF_CCITT */
  63 #define NETISR_ARP      18              /* same as AF_LINK */
  64 #define NETISR_ISDN     26              /* same as AF_E164 */
  65
  66 #define schednetisr(anisr)      { netisr |= 1<<(anisr); setsoftnet(); }
  67
  68 #ifndef LOCORE
  69 #ifdef KERNEL
  70 extern volatile unsigned int    netisr; /* scheduling bits for network */
  71
  72 typedef void netisr_t(void);
  73
  74 struct netisrtab {
  75         int nit_num;
  76         netisr_t *nit_isr;
  77 };
  78
  79 #define NETISR_SET(num, isr) \
  80         static struct netisrtab mod_nit = { num, isr }; \
  81         DATA_SET(netisr_set, mod_nit);
  82
  83 #endif
  84 #endif
  85
  86 #endif