1 /* $OpenBSD: netisr.h,v 1.55 2021/01/05 20:43:36 kn 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 * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status 40 * word which is used to de-multiplex a single software 41 * interrupt used for scheduling the network code to calls 42 * on the lowest level routine of each protocol. 43 */ 44 #define NETISR_PFSYNC 5 /* for pfsync "immediate" tx */ 45 #define NETISR_ARP 18 /* same as AF_LINK */ 46 #define NETISR_PPP 28 /* for PPP processing */ 47 #define NETISR_BRIDGE 29 /* for bridge processing */ 48 #define NETISR_SWITCH 31 /* for switch dataplane */ 49 50 #ifndef _LOCORE 51 #ifdef _KERNEL 52 53 #include <sys/task.h> 54 #include <sys/atomic.h> 55 56 extern int netisr; /* scheduling bits for network */ 57 extern struct task if_input_task_locked; 58 59 void arpintr(void); 60 void pppintr(void); 61 void bridgeintr(void); 62 void switchintr(void); 63 void pfsyncintr(void); 64 65 #define schednetisr(anisr) \ 66 do { \ 67 atomic_setbits_int(&netisr, (1 << (anisr))); \ 68 task_add(net_tq(0), &if_input_task_locked); \ 69 } while (/* CONSTCOND */0) 70 71 #endif /* _KERNEL */ 72 #endif /*_LOCORE */ 73 74 #endif /* _NET_NETISR_H_ */ 75