1 /* $NetBSD: natm.h,v 1.1 1996/07/04 03:20:12 chuck Exp $ */
2 /* $FreeBSD: src/sys/netnatm/natm.h,v 1.3 1999/12/29 04:46:14 peter Exp $ */
3 /* $DragonFly: src/sys/netproto/natm/natm.h,v 1.6 2007/04/22 01:13:15 dillon Exp $ */
7 * Copyright (c) 1996 Charles D. Cranor and Washington University.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Charles D. Cranor and
21 * Washington University.
22 * 4. The name of the author may not be used to endorse or promote products
23 * derived from this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 * natm.h: native mode atm
41 #include <sys/ioccom.h>
47 #define PROTO_NATMAAL0 1
48 #define PROTO_NATMAAL5 2
54 struct sockaddr_natm
{
55 u_int8_t snatm_len
; /* length */
56 u_int8_t snatm_family
; /* AF_NATM */
57 char snatm_if
[IFNAMSIZ
]; /* interface name */
58 u_int16_t snatm_vci
; /* vci */
59 u_int8_t snatm_vpi
; /* vpi */
63 #if defined(__DragonFly__) && defined(_KERNEL)
65 #define SPLSOFTNET() splnet()
67 #elif defined(__NetBSD__) || defined(__OpenBSD__)
69 #define SPLSOFTNET() splsoftnet()
76 * natm protocol control block
80 LIST_ENTRY(natmpcb
) pcblist
; /* list pointers */
81 u_int npcb_inq
; /* # of our pkts in proto q */
82 struct socket
*npcb_socket
; /* backpointer to socket */
83 struct ifnet
*npcb_ifp
; /* pointer to hardware */
84 struct in_addr ipaddr
; /* remote IP address, if APCB_IP */
85 u_int16_t npcb_vci
; /* VCI */
86 u_int8_t npcb_vpi
; /* VPI */
87 u_int8_t npcb_flags
; /* flags */
91 #define NPCB_FREE 0x01 /* free (not on any list) */
92 #define NPCB_CONNECTED 0x02 /* connected */
93 #define NPCB_IP 0x04 /* used by IP */
94 #define NPCB_DRAIN 0x08 /* destory as soon as inq == 0 */
95 #define NPCB_RAW 0x10 /* in 'raw' mode? */
97 /* flag arg to npcb_free */
98 #define NPCB_REMOVE 0 /* remove from global list */
99 #define NPCB_DESTROY 1 /* destroy and be free */
102 * NPCB_RAWCC is a hack which applies to connections in 'raw' mode. it
103 * is used to override the ssb_space() macro when you *really* don't want
104 * to drop rcv data. the recv socket buffer size is raised to this value.
106 * XXX: socket buffering needs to be looked at.
109 #define NPCB_RAWCC (1024*1024) /* 1MB */
111 LIST_HEAD(npcblist
, natmpcb
);
113 /* global data structures */
115 extern struct npcblist natm_pcbs
; /* global list of pcbs */
118 extern u_int natm_sodropcnt
,
119 natm_sodropbytes
; /* account of droppage */
120 extern u_int natm_sookcnt
,
121 natm_sookbytes
; /* account of ok */
124 /* atm_rawioctl: kernel's version of SIOCRAWATM [for internal use only!] */
125 struct atm_rawioctl
{
126 struct natmpcb
*npcb
;
129 #define SIOCXRAWATM _IOWR('a', 125, struct atm_rawioctl)
131 /* external functions */
134 struct natmpcb
*npcb_alloc (int);
135 void npcb_free (struct natmpcb
*, int);
136 struct natmpcb
*npcb_add (struct natmpcb
*, struct ifnet
*, int, int);
139 #if defined(__NetBSD__) || defined(__OpenBSD__)
140 int natm_usrreq (struct socket
*, int, struct mbuf
*,
141 struct mbuf
*, struct mbuf
*, struct proc
*);
142 #elif defined(__DragonFly__)
143 #if __DragonFly__ >= 1
145 * FreeBSD new usrreqs style appeared since 2.2. compatibility to old style
146 * has gone since 3.0.
148 #define FREEBSD_USRREQS
149 extern struct pr_usrreqs natm_usrreqs
;
150 #else /* !( __FreeBSD__ > 2) */
151 int natm_usrreq (struct socket
*, int, struct mbuf
*,
152 struct mbuf
*, struct mbuf
*);
153 #endif /* !( __DragonFly >= 1) */
155 void natm_init (void);
156 int natm0_sysctl (int *, u_int
, void *, size_t *, void *, size_t);
157 int natm5_sysctl (int *, u_int
, void *, size_t *, void *, size_t);