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29 * @(#)raw_cb.c 8.1 (Berkeley) 6/10/93
33 #include <sys/param.h>
34 #include <sys/domain.h>
36 #include <sys/malloc.h>
37 #include <sys/mutex.h>
38 #include <sys/protosw.h>
39 #include <sys/socket.h>
40 #include <sys/socketvar.h>
41 #include <sys/systm.h>
43 #include <net/raw_cb.h>
46 * Routines to manage the raw protocol control blocks.
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
55 struct rawcb_list_head rawcb_list;
57 const static u_long raw_sendspace = RAWSNDQ;
58 const static u_long raw_recvspace = RAWRCVQ;
61 * Allocate a control block and a nominal amount
62 * of buffer space for the socket.
66 register struct socket *so;
69 register struct rawcb *rp = sotorawcb(so);
73 * It is assumed that raw_attach is called
74 * after space has been allocated for the
79 error = soreserve(so, raw_sendspace, raw_recvspace);
83 rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
84 rp->rcb_proto.sp_protocol = proto;
86 LIST_INSERT_HEAD(&rawcb_list, rp, list);
87 mtx_unlock(&rawcb_mtx);
92 * Detach the raw connection block and discard
97 register struct rawcb *rp;
99 struct socket *so = rp->rcb_socket;
105 mtx_lock(&rawcb_mtx);
106 LIST_REMOVE(rp, list);
107 mtx_unlock(&rawcb_mtx);
110 m_freem(dtom(rp->rcb_laddr));
113 free((caddr_t)(rp), M_PCB);
117 * Disconnect and possibly release resources.
126 m_freem(dtom(rp->rcb_faddr));
129 if (rp->rcb_socket->so_state & SS_NOFDREF)
134 #include <sys/mbuf.h>
138 register struct socket *so;
141 struct sockaddr *addr = mtod(nam, struct sockaddr *);
142 register struct rawcb *rp;
145 return (EADDRNOTAVAIL);
147 nam = m_copym(nam, 0, M_COPYALL, M_TRYWAIT);
148 rp->rcb_laddr = mtod(nam, struct sockaddr *);