2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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15 * This product includes software developed by the University of
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33 * @(#)domain.h 8.1 (Berkeley) 6/2/93
34 * $FreeBSD: src/sys/sys/domain.h,v 1.14 1999/12/29 04:24:40 peter Exp $
35 * $DragonFly: src/sys/sys/domain.h,v 1.4 2004/12/14 18:46:08 hsu Exp $
38 #ifndef _SYS_DOMAIN_H_
39 #define _SYS_DOMAIN_H_
42 * Structure per communications domain.
46 * Forward structure declarations for function prototypes [sic].
51 int dom_family; /* AF_xxx */
53 void (*dom_init)(void); /* initialize domain data structures */
54 int (*dom_externalize)(struct mbuf *); /* externalize access
56 void (*dom_dispose)(struct mbuf *); /* dispose of internalized
58 struct protosw *dom_protosw;
59 struct protosw *dom_protoswNPROTOSW;
60 struct domain *dom_next;
61 int (*dom_rtattach)(void **, int); /* initialize routing table */
62 int dom_rtoffset; /* an arg to rtattach, in bits */
63 int dom_maxrtkey; /* for routing layer */
67 extern struct domain *domains;
68 extern struct domain localdomain;
69 extern void net_add_domain(void *);
71 #define DOMAIN_SET(name) \
72 SYSINIT(domain_ ## name, SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, net_add_domain, & name ## domain)