1 /** $MirOS: src/sys/net/netisr.h,v 1.6 2010/09/25 14:11:47 tg Exp $ */ 2 /* $OpenBSD: netisr.h,v 1.20 2004/11/28 23:39:45 canacar Exp $ */ 3 /* $NetBSD: netisr.h,v 1.12 1995/08/12 23:59:24 mycroft Exp $ */ 4 5 /* 6 * Copyright (c) 1980, 1986, 1989, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. 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 * The networking code runs off software interrupts. 40 * 41 * You can switch into the network by doing splsoftnet() and return by splx(). 42 * The software interrupt level for the network is higher than the software 43 * level for the clock (so you can enter the network in routines called 44 * at timeout time). 45 * 46 * The routine to request a network software interrupt, setsoftnet(), 47 * is defined in the machine-specific include files. 48 */ 49 50 /* 51 * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status 52 * word which is used to de-multiplex a single software 53 * interrupt used for scheduling the network code to calls 54 * on the lowest level routine of each protocol. 55 */ 56 #define NETISR_NOTRND 0 /* virtual */ 57 #define NETISR_RND 1 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 /* 13..15 overlap with regular RND_SRC_NET (XXX this is stupid) */ 64 #define NETISR_ATALK 16 /* same as AF_APPLETALK */ 65 #define NETISR_ARP 18 /* same as AF_LINK */ 66 #define NETISR_IPX 23 /* same as AF_IPX */ 67 #define NETISR_IPV6 24 /* same as AF_INET6 */ 68 #define NETISR_ISDN 26 /* same as AF_E164 */ 69 #define NETISR_NATM 27 /* same as AF_ATM */ 70 #define NETISR_PPP 28 /* for PPP processing */ 71 #define NETISR_BRIDGE 29 /* for bridge processing */ 72 #define NETISR_PLIP 30 /* for PLIP processing */ 73 #define NETISR_PPPOE 31 /* for pppoe processing */ 74 75 #ifndef _LOCORE 76 #ifdef _KERNEL 77 extern int netisr; /* scheduling bits for network */ 78 extern int netrndintr_v; /* same bits but for entropy */ 79 80 void netrndintr(void); 81 void arpintr(void); 82 void ipintr(void); 83 void ip6intr(void); 84 void atintr(void); 85 void nsintr(void); 86 void ipxintr(void); 87 void clnlintr(void); 88 void natmintr(void); 89 void pppintr(void); 90 void ccittintr(void); 91 void bridgeintr(void); 92 void pppoeintr(void); 93 94 #define schednetisr(anisr) do { \ 95 netrndintr_v |= 1 << (anisr); \ 96 netisr |= (1 << (anisr)) | (1 << NETISR_RND); \ 97 setsoftnet(); \ 98 } while (/* CONSTCOND */ 0) 99 #define schednetisr_virtual(anisr) do { \ 100 netrndintr_v |= (1 << (anisr)) | (1 << NETISR_NOTRND); \ 101 netisr |= 1 << (anisr); \ 102 setsoftnet(); \ 103 } while (/* CONSTCOND */ 0) 104 #endif 105 #endif 106 107 #endif /* _NET_NETISR_H_ */ 108