1/*
2 * Copyright (c) 1980, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)raw_cb.c 8.1 (Berkeley) 6/10/93
| 1/*
2 * Copyright (c) 1980, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)raw_cb.c 8.1 (Berkeley) 6/10/93
|
34 * $Id$
| 34 * $Id: raw_cb.c,v 1.10 1997/02/22 09:41:13 peter Exp $
|
35 */
36
37#include <sys/param.h>
38#include <sys/queue.h>
39#include <sys/systm.h>
40#include <sys/mbuf.h>
41#include <sys/socket.h>
42#include <sys/socketvar.h>
43#include <sys/domain.h>
44#include <sys/protosw.h>
45#include <sys/errno.h>
46
47#include <net/if.h>
48#include <net/route.h>
49#include <net/raw_cb.h>
50#include <netinet/in.h>
51
52/*
53 * Routines to manage the raw protocol control blocks.
54 *
55 * TODO:
56 * hash lookups by protocol family/protocol + address family
57 * take care of unique address problems per AF?
58 * redo address binding to allow wildcards
59 */
60
| 35 */
36
37#include <sys/param.h>
38#include <sys/queue.h>
39#include <sys/systm.h>
40#include <sys/mbuf.h>
41#include <sys/socket.h>
42#include <sys/socketvar.h>
43#include <sys/domain.h>
44#include <sys/protosw.h>
45#include <sys/errno.h>
46
47#include <net/if.h>
48#include <net/route.h>
49#include <net/raw_cb.h>
50#include <netinet/in.h>
51
52/*
53 * Routines to manage the raw protocol control blocks.
54 *
55 * TODO:
56 * hash lookups by protocol family/protocol + address family
57 * take care of unique address problems per AF?
58 * redo address binding to allow wildcards
59 */
60
|
61struct rawcb rawcb;
| 61struct rawcb_list_head rawcb_list;
62
|
62static u_long raw_sendspace = RAWSNDQ;
63static u_long raw_recvspace = RAWRCVQ;
64
65/*
66 * Allocate a control block and a nominal amount
67 * of buffer space for the socket.
68 */
69int
70raw_attach(so, proto)
71 register struct socket *so;
72 int proto;
73{
74 register struct rawcb *rp = sotorawcb(so);
75 int error;
76
77 /*
78 * It is assumed that raw_attach is called
79 * after space has been allocated for the
80 * rawcb.
81 */
82 if (rp == 0)
83 return (ENOBUFS);
84 error = soreserve(so, raw_sendspace, raw_recvspace);
85 if (error)
86 return (error);
87 rp->rcb_socket = so;
88 rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
89 rp->rcb_proto.sp_protocol = proto;
| 63static u_long raw_sendspace = RAWSNDQ;
64static u_long raw_recvspace = RAWRCVQ;
65
66/*
67 * Allocate a control block and a nominal amount
68 * of buffer space for the socket.
69 */
70int
71raw_attach(so, proto)
72 register struct socket *so;
73 int proto;
74{
75 register struct rawcb *rp = sotorawcb(so);
76 int error;
77
78 /*
79 * It is assumed that raw_attach is called
80 * after space has been allocated for the
81 * rawcb.
82 */
83 if (rp == 0)
84 return (ENOBUFS);
85 error = soreserve(so, raw_sendspace, raw_recvspace);
86 if (error)
87 return (error);
88 rp->rcb_socket = so;
89 rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
90 rp->rcb_proto.sp_protocol = proto;
|
90 insque(rp, &rawcb);
| 91 LIST_INSERT_HEAD(&rawcb_list, rp, list);
|
91 return (0);
92}
93
94/*
95 * Detach the raw connection block and discard
96 * socket resources.
97 */
98void
99raw_detach(rp)
100 register struct rawcb *rp;
101{
102 struct socket *so = rp->rcb_socket;
103
104 so->so_pcb = 0;
105 sofree(so);
| 92 return (0);
93}
94
95/*
96 * Detach the raw connection block and discard
97 * socket resources.
98 */
99void
100raw_detach(rp)
101 register struct rawcb *rp;
102{
103 struct socket *so = rp->rcb_socket;
104
105 so->so_pcb = 0;
106 sofree(so);
|
106 remque(rp);
| 107 LIST_REMOVE(rp, list);
|
107#ifdef notdef
108 if (rp->rcb_laddr)
109 m_freem(dtom(rp->rcb_laddr));
110 rp->rcb_laddr = 0;
111#endif
112 free((caddr_t)(rp), M_PCB);
113}
114
115/*
116 * Disconnect and possibly release resources.
117 */
118void
119raw_disconnect(rp)
120 struct rawcb *rp;
121{
122
123#ifdef notdef
124 if (rp->rcb_faddr)
125 m_freem(dtom(rp->rcb_faddr));
126 rp->rcb_faddr = 0;
127#endif
128 if (rp->rcb_socket->so_state & SS_NOFDREF)
129 raw_detach(rp);
130}
131
132#ifdef notdef
133int
134raw_bind(so, nam)
135 register struct socket *so;
136 struct mbuf *nam;
137{
138 struct sockaddr *addr = mtod(nam, struct sockaddr *);
139 register struct rawcb *rp;
140
141 if (ifnet == 0)
142 return (EADDRNOTAVAIL);
143 rp = sotorawcb(so);
144 nam = m_copym(nam, 0, M_COPYALL, M_WAITOK);
145 rp->rcb_laddr = mtod(nam, struct sockaddr *);
146 return (0);
147}
148#endif
| 108#ifdef notdef
109 if (rp->rcb_laddr)
110 m_freem(dtom(rp->rcb_laddr));
111 rp->rcb_laddr = 0;
112#endif
113 free((caddr_t)(rp), M_PCB);
114}
115
116/*
117 * Disconnect and possibly release resources.
118 */
119void
120raw_disconnect(rp)
121 struct rawcb *rp;
122{
123
124#ifdef notdef
125 if (rp->rcb_faddr)
126 m_freem(dtom(rp->rcb_faddr));
127 rp->rcb_faddr = 0;
128#endif
129 if (rp->rcb_socket->so_state & SS_NOFDREF)
130 raw_detach(rp);
131}
132
133#ifdef notdef
134int
135raw_bind(so, nam)
136 register struct socket *so;
137 struct mbuf *nam;
138{
139 struct sockaddr *addr = mtod(nam, struct sockaddr *);
140 register struct rawcb *rp;
141
142 if (ifnet == 0)
143 return (EADDRNOTAVAIL);
144 rp = sotorawcb(so);
145 nam = m_copym(nam, 0, M_COPYALL, M_WAITOK);
146 rp->rcb_laddr = mtod(nam, struct sockaddr *);
147 return (0);
148}
149#endif
|