1 /* $OpenBSD: netisr.h,v 1.39 2013/10/24 18:50:16 deraadt 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 /* 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 47 /* 48 * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status 49 * word which is used to de-multiplex a single software 50 * interrupt used for scheduling the network code to calls 51 * on the lowest level routine of each protocol. 52 */ 53 #define NETISR_RND_DONE 1 54 #define NETISR_IP 2 /* same as AF_INET */ 55 #define NETISR_TX 3 /* for if_snd processing */ 56 #define NETISR_MPLS 4 /* AF_MPLS would overflow */ 57 #define NETISR_PFSYNC 5 /* for pfsync "immediate" tx */ 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_PPP 28 /* for PPP processing */ 62 #define NETISR_BRIDGE 29 /* for bridge processing */ 63 #define NETISR_PPPOE 30 /* for pppoe processing */ 64 #define NETISR_BT 31 /* same as AF_BLUETOOTH */ 65 66 #ifndef _LOCORE 67 #ifdef _KERNEL 68 extern int netisr; /* scheduling bits for network */ 69 70 void nettxintr(void); 71 void arpintr(void); 72 void ipintr(void); 73 void ip6intr(void); 74 void atintr(void); 75 void clnlintr(void); 76 void pppintr(void); 77 void bridgeintr(void); 78 void pppoeintr(void); 79 void btintr(void); 80 void mplsintr(void); 81 void pfsyncintr(void); 82 83 #include <machine/atomic.h> 84 85 extern void *netisr_intr; 86 #define schednetisr(anisr) \ 87 do { \ 88 atomic_setbits_int(&netisr, (1 << (anisr))); \ 89 softintr_schedule(netisr_intr); \ 90 } while (/* CONSTCOND */0) 91 92 void netisr_init(void); 93 94 #endif /* _KERNEL */ 95 #endif /*_LOCORE */ 96 97 #endif /* _NET_NETISR_H_ */ 98