| /* |
| * Copyright (c) 1980, 1986, 1989, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)netisr.h 8.1 (Berkeley) 6/10/93 |
| * $FreeBSD: src/sys/net/netisr.h,v 1.26 2002/03/19 21:54:18 alfred Exp $ |
| */ |
| |
| #ifndef _NET_NETISR_H_ |
| #define _NET_NETISR_H_ |
| |
| /* |
| * The networking code runs off software interrupts. |
| * |
| * You can switch into the network by doing splnet() and return by splx(). |
| * The software interrupt level for the network is higher than the software |
| * level for the clock (so you can enter the network in routines called |
| * at timeout time). |
| */ |
| |
| /* |
| * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status |
| * word which is used to de-multiplex a single software |
| * interrupt used for scheduling the network code to calls |
| * on the lowest level routine of each protocol. |
| */ |
| #define NETISR_POLL 0 /* polling callback, must be first */ |
| #define NETISR_IP 2 /* same as AF_INET */ |
| #define NETISR_NS 6 /* same as AF_NS */ |
| #define NETISR_ATALK 16 /* same as AF_APPLETALK */ |
| #define NETISR_ARP 18 /* same as AF_LINK */ |
| #define NETISR_IPX 23 /* same as AF_IPX */ |
| #define NETISR_USB 25 /* USB soft interrupt */ |
| #define NETISR_PPP 27 /* PPP soft interrupt */ |
| #define NETISR_IPV6 28 /* same as AF_INET6 */ |
| #define NETISR_NATM 29 /* same as AF_NATM */ |
| #define NETISR_ATM 30 /* same as AF_ATM */ |
| #define NETISR_NETGRAPH 31 /* same as AF_NETGRAPH */ |
| |
| |
| #ifndef LOCORE |
| #ifdef _KERNEL |
| |
| void legacy_setsoftnet(void); |
| |
| extern volatile unsigned int netisr; /* scheduling bits for network */ |
| extern void (*netisrs[32])(void); |
| #define schednetisr(anisr) do { \ |
| atomic_set_rel_int(&netisr, 1 << (anisr)); \ |
| legacy_setsoftnet(); \ |
| } while (0) |
| |
| typedef void netisr_t(void); |
| |
| int register_netisr(int, netisr_t *); |
| int unregister_netisr(int); |
| |
| #endif |
| #endif |
| |
| #endif |
