Return to netisr.h CVS log

Up to [local] / sys / net

Annotation of sys/net/netisr.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: netisr.h,v 1.27 2007/06/06 10:04:36 henning Exp $     */
                      2: /*     $NetBSD: netisr.h,v 1.12 1995/08/12 23:59:24 mycroft Exp $      */
                      3:
                      4: /*
                      5:  * Copyright (c) 1980, 1986, 1989, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)netisr.h    8.1 (Berkeley) 6/10/93
                     33:  */
                     34:
                     35: #ifndef _NET_NETISR_H_
                     36: #define _NET_NETISR_H_
                     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: /*
                     50:  * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
                     51:  * word which is used to de-multiplex a single software
                     52:  * interrupt used for scheduling the network code to calls
                     53:  * on the lowest level routine of each protocol.
                     54:  */
                     55: #define        NETISR_RND      1
                     56: #define        NETISR_IP       2               /* same as AF_INET */
                     57: #define        NETISR_ATALK    16              /* same as AF_APPLETALK */
                     58: #define        NETISR_ARP      18              /* same as AF_LINK */
                     59: #define        NETISR_IPV6     24              /* same as AF_INET6 */
                     60: #define        NETISR_ISDN     26              /* same as AF_E164 */
                     61: #define        NETISR_NATM     27              /* same as AF_ATM */
                     62: #define        NETISR_PPP      28              /* for PPP processing */
                     63: #define        NETISR_BRIDGE   29              /* for bridge processing */
                     64: #define        NETISR_PPPOE    30              /* for pppoe processing */
                     65: #define        NETISR_BT       31              /* same as AF_BLUETOOTH */
                     66:
                     67: #ifndef _LOCORE
                     68: #ifdef _KERNEL
                     69: extern int     netisr;                 /* scheduling bits for network */
                     70:
                     71: void   netrndintr(void);
                     72: void   arpintr(void);
                     73: void   ipintr(void);
                     74: void   ip6intr(void);
                     75: void   atintr(void);
                     76: void   clnlintr(void);
                     77: void   natmintr(void);
                     78: void   pppintr(void);
                     79: void   bridgeintr(void);
                     80: void   pppoeintr(void);
                     81: void   btintr(void);
                     82:
                     83: #include <machine/atomic.h>
                     84: #include <dev/rndvar.h>
                     85: #define        schednetisr(anisr)                                              \
                     86: do {                                                                   \
                     87:        atomic_setbits_int(&netisr, (1 << (anisr)) | NETISR_RND);       \
                     88:        setsoftnet();                                                   \
                     89: } while (0)
                     90: #endif
                     91: #endif
                     92:
                     93: #endif /* _NET_NETISR_H_ */