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29 * @(#)domain.h 8.1 (Berkeley) 6/2/93
33 #ifndef _SYS_DOMAIN_H_
34 #define _SYS_DOMAIN_H_
37 * Structure per communications domain.
41 * Forward structure declarations for function prototypes [sic].
47 int dom_family; /* AF_xxx */
49 void (*dom_init) /* initialize domain data structures */
51 int (*dom_externalize) /* externalize access rights */
52 (struct mbuf *, struct mbuf **);
53 void (*dom_dispose) /* dispose of internalized rights */
55 struct protosw *dom_protosw, *dom_protoswNPROTOSW;
56 struct domain *dom_next;
57 int (*dom_rtattach) /* initialize routing table */
59 int dom_rtoffset; /* an arg to rtattach, in bits */
61 * rtoffset May be 0 if the domain supplies its own rtattach(),
62 * in which case, a 0 indicates it's being called from
63 * vfs_export.c (HACK) Only for AF_INET{,6} at this time.
64 * Temporary ABI compat hack.. fix post RELENG_7
66 int dom_maxrtkey; /* for routing layer */
67 void *(*dom_ifattach)(struct ifnet *);
68 void (*dom_ifdetach)(struct ifnet *, void *);
69 /* af-dependent data on ifnet */
73 extern int domain_init_status;
74 extern struct domain *domains;
75 extern void net_add_domain(void *);
77 #define DOMAIN_SET(name) \
78 SYSINIT(domain_ ## name, SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, net_add_domain, & name ## domain)