1 //==========================================================================
3 // include/net/netisr.h
5 //==========================================================================
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54 * @(#)netisr.h 8.1 (Berkeley) 6/10/93
55 * $FreeBSD: src/sys/net/netisr.h,v 1.21.2.2 2001/03/06 00:55:07 obrien Exp $
58 #ifndef _NET_NETISR_H_
59 #define _NET_NETISR_H_
62 * The networking code runs off software interrupts.
64 * You can switch into the network by doing splnet() and return by splx().
65 * The software interrupt level for the network is higher than the software
66 * level for the clock (so you can enter the network in routines called
71 * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
72 * word which is used to de-multiplex a single software
73 * interrupt used for scheduling the network code to calls
74 * on the lowest level routine of each protocol.
76 #define NETISR_SOFTNET 1 // Just used to force an interrupt
77 #define NETISR_IP 2 /* same as AF_INET */
78 #define NETISR_NS 6 /* same as AF_NS */
79 #define NETISR_ATALK 16 /* same as AF_APPLETALK */
80 #define NETISR_ARP 18 /* same as AF_LINK */
81 #define NETISR_IPX 23 /* same as AF_IPX */
82 #define NETISR_USB 25 /* USB soft interrupt */
83 #define NETISR_PPP 27 /* PPP soft interrupt */
84 #define NETISR_IPV6 28 /* same as AF_INET6 */
85 #define NETISR_NATM 29 /* same as AF_NATM */
86 #define NETISR_NETGRAPH 31 /* same as AF_NETGRAPH */
88 #define NETISR_MIN 2 // Smallest legal 'level'
89 #define NETISR_MAX 31 // Largest legal 'level'
93 #include <cyg/kernel/kapi.h>
94 extern cyg_flag_t netint_flags;
95 #define schednetisr(anisr) cyg_flag_setbits(&netint_flags, 1<<(anisr));
97 typedef void netisr_t __P((void));
99 int register_netisr __P((int, netisr_t *));
100 int unregister_netisr __P((int));