diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/net/netisr.h')
| -rw-r--r-- | newlib/libc/sys/linux/include/net/netisr.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/include/net/netisr.h b/newlib/libc/sys/linux/include/net/netisr.h new file mode 100644 index 000000000..717e77bf2 --- /dev/null +++ b/newlib/libc/sys/linux/include/net/netisr.h @@ -0,0 +1,89 @@ +/* + * 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 |