Annotation of sys/netnatm/natm.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: natm.h,v 1.6 2002/03/14 01:27:12 millert Exp $ */
2:
3: /*
4: *
5: * Copyright (c) 1996 Charles D. Cranor and Washington University.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by Charles D. Cranor and
19: * Washington University.
20: * 4. The name of the author may not be used to endorse or promote products
21: * derived from this software without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33: */
34:
35: /*
36: * natm.h: native mode atm
37: */
38:
39:
40: /*
41: * supported protocols
42: */
43:
44: #define PROTO_NATMAAL0 1
45: #define PROTO_NATMAAL5 2
46:
47: /*
48: * sockaddr_natm
49: */
50:
51: struct sockaddr_natm {
52: u_int8_t snatm_len; /* length */
53: u_int8_t snatm_family; /* AF_NATM */
54: char snatm_if[IFNAMSIZ]; /* interface name */
55: u_int16_t snatm_vci; /* vci */
56: u_int8_t snatm_vpi; /* vpi */
57: };
58:
59:
60: #if defined(__FreeBSD__) && defined(KERNEL)
61:
62: #ifndef _KERNEL
63: #define _KERNEL
64: #endif
65:
66: #define SPLSOFTNET() splnet()
67:
68: #elif defined(__NetBSD__) || defined(__OpenBSD__)
69:
70: #define SPLSOFTNET() splsoftnet()
71:
72: #endif
73:
74: #ifdef _KERNEL
75:
76: /*
77: * natm protocol control block
78: */
79:
80: struct natmpcb {
81: LIST_ENTRY(natmpcb) pcblist; /* list pointers */
82: u_int npcb_inq; /* # of our pkts in proto q */
83: struct socket *npcb_socket; /* backpointer to socket */
84: struct ifnet *npcb_ifp; /* pointer to hardware */
85: struct in_addr ipaddr; /* remote IP address, if NPCB_IP */
86: u_int16_t npcb_vci; /* VCI */
87: u_int8_t npcb_vpi; /* VPI */
88: u_int8_t npcb_flags; /* flags */
89: };
90:
91: /* flags */
92: #define NPCB_FREE 0x01 /* free (not on any list) */
93: #define NPCB_CONNECTED 0x02 /* connected */
94: #define NPCB_IP 0x04 /* used by IP */
95: #define NPCB_DRAIN 0x08 /* destory as soon as inq == 0 */
96: #define NPCB_RAW 0x10 /* in 'raw' mode? */
97:
98: /* flag arg to npcb_free */
99: #define NPCB_REMOVE 0 /* remove from global list */
100: #define NPCB_DESTROY 1 /* destroy and be free */
101:
102: /*
103: * NPCB_RAWCC is a hack which applies to connections in 'raw' mode. it
104: * is used to override the sbspace() macro when you *really* don't want
105: * to drop rcv data. the recv socket buffer size is raised to this value.
106: *
107: * XXX: socket buffering needs to be looked at.
108: */
109:
110: #define NPCB_RAWCC (1024*1024) /* 1MB */
111:
112: LIST_HEAD(npcblist, natmpcb);
113:
114: /* global data structures */
115:
116: struct npcblist natm_pcbs; /* global list of pcbs */
117: extern struct ifqueue natmintrq; /* natm packet input queue */
118: #define NATM_STAT
119: #ifdef NATM_STAT
120: extern u_int natm_sodropcnt,
121: natm_sodropbytes; /* account of droppage */
122: extern u_int natm_sookcnt,
123: natm_sookbytes; /* account of ok */
124: #endif
125:
126: /* atm_rawioctl: kernel's version of SIOCRAWATM [for internal use only!] */
127: struct atm_rawioctl {
128: struct natmpcb *npcb;
129: int rawvalue;
130: };
131: #define SIOCXRAWATM _IOWR('a', 125, struct atm_rawioctl)
132:
133: /* external functions */
134:
135: /* natm_pcb.c */
136: struct natmpcb *npcb_alloc(int);
137: void npcb_free(struct natmpcb *, int);
138: struct natmpcb *npcb_add(struct natmpcb *, struct ifnet *, int, int);
139:
140: /* natm.c */
141: #if defined(__NetBSD__)
142: int natm_usrreq(struct socket *, int, struct mbuf *,
143: struct mbuf *, struct mbuf *, struct proc *);
144: #elif defined(__OpenBSD__) || defined(FreeBSD)
145: int natm_usrreq(struct socket *, int, struct mbuf *,
146: struct mbuf *, struct mbuf *);
147: #endif
148: int natm0_sysctl(int *, u_int, void *, size_t *, void *, size_t);
149: int natm5_sysctl(int *, u_int, void *, size_t *, void *, size_t);
150: void natmintr(void);
151:
152: #endif
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