1 //==========================================================================
3 // src/sys/net/raw_cb.c
5 //==========================================================================
6 //####BSDCOPYRIGHTBEGIN####
8 // -------------------------------------------
10 // Portions of this software may have been derived from OpenBSD,
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12 // copyright disclaimers included herein.
14 // Portions created by Red Hat are
15 // Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
17 // -------------------------------------------
19 //####BSDCOPYRIGHTEND####
20 //==========================================================================
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54 * @(#)raw_cb.c 8.1 (Berkeley) 6/10/93
55 * $FreeBSD: src/sys/net/raw_cb.c,v 1.16 1999/08/28 00:48:27 peter Exp $
58 #include <sys/param.h>
59 #include <sys/malloc.h>
60 #include <sys/socket.h>
61 #include <sys/socketvar.h>
62 #include <sys/domain.h>
63 #include <sys/protosw.h>
65 #include <net/raw_cb.h>
68 * Routines to manage the raw protocol control blocks.
71 * hash lookups by protocol family/protocol + address family
72 * take care of unique address problems per AF?
73 * redo address binding to allow wildcards
76 struct rawcb_list_head rawcb_list;
78 static u_long raw_sendspace = RAWSNDQ;
79 static u_long raw_recvspace = RAWRCVQ;
82 * Allocate a control block and a nominal amount
83 * of buffer space for the socket.
87 register struct socket *so;
90 register struct rawcb *rp = sotorawcb(so);
94 * It is assumed that raw_attach is called
95 * after space has been allocated for the
100 error = soreserve(so, raw_sendspace, raw_recvspace);
104 rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
105 rp->rcb_proto.sp_protocol = proto;
106 LIST_INSERT_HEAD(&rawcb_list, rp, list);
111 * Detach the raw connection block and discard
116 register struct rawcb *rp;
118 struct socket *so = rp->rcb_socket;
122 LIST_REMOVE(rp, list);
125 m_freem(dtom(rp->rcb_laddr));
128 free((caddr_t)(rp), M_PCB);
132 * Disconnect and possibly release resources.
141 m_freem(dtom(rp->rcb_faddr));
144 if (rp->rcb_socket->so_state & SS_NOFDREF)
149 #include <sys/mbuf.h>
153 register struct socket *so;
156 struct sockaddr *addr = mtod(nam, struct sockaddr *);
157 register struct rawcb *rp;
160 return (EADDRNOTAVAIL);
162 nam = m_copym(nam, 0, M_COPYALL, M_WAITOK);
163 rp->rcb_laddr = mtod(nam, struct sockaddr *);