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33 * @(#)netisr.h 8.1 (Berkeley) 6/10/93
34 * $FreeBSD: src/sys/net/netisr.h,v 1.21.2.5 2002/02/09 23:02:39 luigi Exp $
35 * $DragonFly: src/sys/net/netisr.h,v 1.5 2003/09/15 23:38:13 hsu Exp $
38 #ifndef _NET_NETISR_H_
39 #define _NET_NETISR_H_
42 * The networking code runs off software interrupts.
44 * You can switch into the network by doing splnet() and return by splx().
45 * The software interrupt level for the network is higher than the software
46 * level for the clock (so you can enter the network in routines called
51 * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
52 * word which is used to de-multiplex a single software
53 * interrupt used for scheduling the network code to calls
54 * on the lowest level routine of each protocol.
56 #define NETISR_POLL 0 /* polling callback */
57 #define NETISR_IP 2 /* same as AF_INET */
58 #define NETISR_NS 6 /* same as AF_NS */
59 #define NETISR_AARP 15 /* Appletalk ARP */
60 #define NETISR_ATALK2 16 /* Appletalk phase 2 */
61 #define NETISR_ATALK1 17 /* Appletalk phase 1 */
62 #define NETISR_ARP 18 /* same as AF_LINK */
63 #define NETISR_IPX 23 /* same as AF_IPX */
64 #define NETISR_USB 25 /* USB soft interrupt */
65 #define NETISR_PPP 27 /* PPP soft interrupt */
66 #define NETISR_IPV6 28 /* same as AF_INET6 */
67 #define NETISR_NATM 29 /* same as AF_NATM */
68 #define NETISR_NETGRAPH 30 /* same as AF_NETGRAPH */
69 #define NETISR_POLLMORE 31 /* check if we need more polling */
79 schednetisr(int isrnum)
81 atomic_set_int(&isrmask, 1 << isrnum);
88 typedef void (*netisr_fn_t)(struct mbuf *);
91 * This structure will change to use message ports instead of struct ifqueue.
95 netisr_fn_t ni_handler;
96 struct ifqueue *ni_queue;
99 void netisr_dispatch(int, struct mbuf *);
100 int netisr_queue(int, struct mbuf *);
101 int netisr_register(int, netisr_fn_t, struct ifqueue *);
102 int netisr_unregister(int);