1/* $NetBSD: natm.h,v 1.1 1996/07/04 03:20:12 chuck Exp $ */
2/* $FreeBSD: head/sys/netnatm/natm.h 111888 2003-03-04 23:19:55Z jlemon $ */
3
4/*
5 *
6 * Copyright (c) 1996 Charles D. Cranor and Washington University.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Charles D. Cranor and
20 * Washington University.
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36/*
37 * natm.h: native mode atm
38 */
39
40
41/*
42 * supported protocols
43 */
44
45#define PROTO_NATMAAL0 1
46#define PROTO_NATMAAL5 2
47
48/*
49 * sockaddr_natm
50 */
51
52struct sockaddr_natm {
53 u_int8_t snatm_len; /* length */
54 u_int8_t snatm_family; /* AF_NATM */
55 char snatm_if[IFNAMSIZ]; /* interface name */
56 u_int16_t snatm_vci; /* vci */
57 u_int8_t snatm_vpi; /* vpi */
58};
59
60
61#if defined(__FreeBSD__) && defined(_KERNEL)
62
63#define SPLSOFTNET() splnet()
64
65#elif defined(__NetBSD__) || defined(__OpenBSD__)
66
67#define SPLSOFTNET() splsoftnet()
68
69#endif
70
71#ifdef _KERNEL
72
73/*
74 * natm protocol control block
75 */
76
77struct natmpcb {
78 LIST_ENTRY(natmpcb) pcblist; /* list pointers */
79 u_int npcb_inq; /* # of our pkts in proto q */
80 struct socket *npcb_socket; /* backpointer to socket */
81 struct ifnet *npcb_ifp; /* pointer to hardware */
82 struct in_addr ipaddr; /* remote IP address, if APCB_IP */
83 u_int16_t npcb_vci; /* VCI */
84 u_int8_t npcb_vpi; /* VPI */
85 u_int8_t npcb_flags; /* flags */
86};
87
88/* flags */
89#define NPCB_FREE 0x01 /* free (not on any list) */
90#define NPCB_CONNECTED 0x02 /* connected */
91#define NPCB_IP 0x04 /* used by IP */
92#define NPCB_DRAIN 0x08 /* destory as soon as inq == 0 */
93#define NPCB_RAW 0x10 /* in 'raw' mode? */
94
95/* flag arg to npcb_free */
96#define NPCB_REMOVE 0 /* remove from global list */
97#define NPCB_DESTROY 1 /* destroy and be free */
98
99/*
100 * NPCB_RAWCC is a hack which applies to connections in 'raw' mode. it
101 * is used to override the sbspace() macro when you *really* don't want
102 * to drop rcv data. the recv socket buffer size is raised to this value.
103 *
104 * XXX: socket buffering needs to be looked at.
105 */
106
107#define NPCB_RAWCC (1024*1024) /* 1MB */
108
109LIST_HEAD(npcblist, natmpcb);
110
111/* global data structures */
112
113extern struct npcblist natm_pcbs; /* global list of pcbs */
114#define NATM_STAT
115#ifdef NATM_STAT
116extern u_int natm_sodropcnt,
117 natm_sodropbytes; /* account of droppage */
118extern u_int natm_sookcnt,
119 natm_sookbytes; /* account of ok */
120#endif
121
122/* atm_rawioctl: kernel's version of SIOCRAWATM [for internal use only!] */
123struct atm_rawioctl {
124 struct natmpcb *npcb;
125 int rawvalue;
126};
127#define SIOCXRAWATM _IOWR('a', 125, struct atm_rawioctl)
128
129/* external functions */
130
131/* natm_pcb.c */
132struct natmpcb *npcb_alloc(int);
133void npcb_free(struct natmpcb *, int);
134struct natmpcb *npcb_add(struct natmpcb *, struct ifnet *, int, int);
135
136/* natm.c */
137#if defined(__NetBSD__) || defined(__OpenBSD__)
138int natm_usrreq(struct socket *, int, struct mbuf *,
139 struct mbuf *, struct mbuf *, struct proc *);
140#elif defined(__FreeBSD__)
141#if __FreeBSD__ > 2
142/*
143 * FreeBSD new usrreqs style appeared since 2.2. compatibility to old style
144 * has gone since 3.0.
145 */
146#define FREEBSD_USRREQS
147extern struct pr_usrreqs natm_usrreqs;
148#else /* !( __FreeBSD__ > 2) */
149int natm_usrreq(struct socket *, int, struct mbuf *,
150 struct mbuf *, struct mbuf *);
151#endif /* !( __FreeBSD__ > 2) */
152#endif
153int natm0_sysctl(int *, u_int, void *, size_t *, void *, size_t);
154int natm5_sysctl(int *, u_int, void *, size_t *, void *, size_t);
155void natmintr(struct mbuf *);
156
157#endif
2/* $FreeBSD: head/sys/netnatm/natm.h 111888 2003-03-04 23:19:55Z jlemon $ */
3
4/*
5 *
6 * Copyright (c) 1996 Charles D. Cranor and Washington University.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Charles D. Cranor and
20 * Washington University.
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36/*
37 * natm.h: native mode atm
38 */
39
40
41/*
42 * supported protocols
43 */
44
45#define PROTO_NATMAAL0 1
46#define PROTO_NATMAAL5 2
47
48/*
49 * sockaddr_natm
50 */
51
52struct sockaddr_natm {
53 u_int8_t snatm_len; /* length */
54 u_int8_t snatm_family; /* AF_NATM */
55 char snatm_if[IFNAMSIZ]; /* interface name */
56 u_int16_t snatm_vci; /* vci */
57 u_int8_t snatm_vpi; /* vpi */
58};
59
60
61#if defined(__FreeBSD__) && defined(_KERNEL)
62
63#define SPLSOFTNET() splnet()
64
65#elif defined(__NetBSD__) || defined(__OpenBSD__)
66
67#define SPLSOFTNET() splsoftnet()
68
69#endif
70
71#ifdef _KERNEL
72
73/*
74 * natm protocol control block
75 */
76
77struct natmpcb {
78 LIST_ENTRY(natmpcb) pcblist; /* list pointers */
79 u_int npcb_inq; /* # of our pkts in proto q */
80 struct socket *npcb_socket; /* backpointer to socket */
81 struct ifnet *npcb_ifp; /* pointer to hardware */
82 struct in_addr ipaddr; /* remote IP address, if APCB_IP */
83 u_int16_t npcb_vci; /* VCI */
84 u_int8_t npcb_vpi; /* VPI */
85 u_int8_t npcb_flags; /* flags */
86};
87
88/* flags */
89#define NPCB_FREE 0x01 /* free (not on any list) */
90#define NPCB_CONNECTED 0x02 /* connected */
91#define NPCB_IP 0x04 /* used by IP */
92#define NPCB_DRAIN 0x08 /* destory as soon as inq == 0 */
93#define NPCB_RAW 0x10 /* in 'raw' mode? */
94
95/* flag arg to npcb_free */
96#define NPCB_REMOVE 0 /* remove from global list */
97#define NPCB_DESTROY 1 /* destroy and be free */
98
99/*
100 * NPCB_RAWCC is a hack which applies to connections in 'raw' mode. it
101 * is used to override the sbspace() macro when you *really* don't want
102 * to drop rcv data. the recv socket buffer size is raised to this value.
103 *
104 * XXX: socket buffering needs to be looked at.
105 */
106
107#define NPCB_RAWCC (1024*1024) /* 1MB */
108
109LIST_HEAD(npcblist, natmpcb);
110
111/* global data structures */
112
113extern struct npcblist natm_pcbs; /* global list of pcbs */
114#define NATM_STAT
115#ifdef NATM_STAT
116extern u_int natm_sodropcnt,
117 natm_sodropbytes; /* account of droppage */
118extern u_int natm_sookcnt,
119 natm_sookbytes; /* account of ok */
120#endif
121
122/* atm_rawioctl: kernel's version of SIOCRAWATM [for internal use only!] */
123struct atm_rawioctl {
124 struct natmpcb *npcb;
125 int rawvalue;
126};
127#define SIOCXRAWATM _IOWR('a', 125, struct atm_rawioctl)
128
129/* external functions */
130
131/* natm_pcb.c */
132struct natmpcb *npcb_alloc(int);
133void npcb_free(struct natmpcb *, int);
134struct natmpcb *npcb_add(struct natmpcb *, struct ifnet *, int, int);
135
136/* natm.c */
137#if defined(__NetBSD__) || defined(__OpenBSD__)
138int natm_usrreq(struct socket *, int, struct mbuf *,
139 struct mbuf *, struct mbuf *, struct proc *);
140#elif defined(__FreeBSD__)
141#if __FreeBSD__ > 2
142/*
143 * FreeBSD new usrreqs style appeared since 2.2. compatibility to old style
144 * has gone since 3.0.
145 */
146#define FREEBSD_USRREQS
147extern struct pr_usrreqs natm_usrreqs;
148#else /* !( __FreeBSD__ > 2) */
149int natm_usrreq(struct socket *, int, struct mbuf *,
150 struct mbuf *, struct mbuf *);
151#endif /* !( __FreeBSD__ > 2) */
152#endif
153int natm0_sysctl(int *, u_int, void *, size_t *, void *, size_t);
154int natm5_sysctl(int *, u_int, void *, size_t *, void *, size_t);
155void natmintr(struct mbuf *);
156
157#endif