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29 * @(#)raw_cb.c 8.1 (Berkeley) 6/10/93
30 * $FreeBSD: src/sys/net/raw_cb.c,v 1.16 1999/08/28 00:48:27 peter Exp $
33 #include <sys/param.h>
34 #include <sys/malloc.h>
35 #include <sys/socket.h>
36 #include <sys/socketvar.h>
37 #include <sys/domain.h>
38 #include <sys/protosw.h>
40 #include <net/raw_cb.h>
41 #include <net/netisr2.h>
44 * Routines to manage the raw protocol control blocks.
46 * All of them must run in netisr0.
49 * hash lookups by protocol family/protocol + address family
50 * take care of unique address problems per AF?
51 * redo address binding to allow wildcards
54 struct rawcb_list_head rawcb_list
;
56 static u_long raw_sendspace
= RAWSNDQ
;
57 static u_long raw_recvspace
= RAWRCVQ
;
60 * Allocate a control block and a nominal amount
61 * of buffer space for the socket.
63 * The so->so_pcb has already been assigned by the caller, and the
64 * caller has also already bumped the socket refs.
67 raw_attach(struct socket
*so
, int proto
, struct rlimit
*rl
)
69 struct rawcb
*rp
= sotorawcb(so
);
75 * It is assumed that raw_attach is called
76 * after space has been allocated for the
81 error
= soreserve(so
, raw_sendspace
, raw_recvspace
, rl
);
85 rp
->rcb_proto
.sp_family
= so
->so_proto
->pr_domain
->dom_family
;
86 rp
->rcb_proto
.sp_protocol
= proto
;
88 LIST_INSERT_HEAD(&rawcb_list
, rp
, list
);
94 * Detach the raw connection block and discard
98 raw_detach(struct rawcb
*rp
)
100 struct socket
*so
= rp
->rcb_socket
;
104 LIST_REMOVE(rp
, list
);
107 sofree(so
); /* remove pcb ref */
112 * Disconnect and possibly release resources.
115 raw_disconnect(struct rawcb
*rp
)
119 if (rp
->rcb_socket
->so_state
& SS_NOFDREF
)
124 #include <sys/mbuf.h>
127 raw_bind(struct socket
*so
, struct mbuf
*nam
)
129 struct sockaddr
*addr
= mtod(nam
, struct sockaddr
*);
135 return (EADDRNOTAVAIL
);
137 nam
= m_copym(nam
, 0, M_COPYALL
, M_WAITOK
);
138 rp
->rcb_laddr
= mtod(nam
, struct sockaddr
*);