1 /*********************************************************** 2 Copyright IBM Corporation 1987 3 4 All Rights Reserved 5 6 Permission to use, copy, modify, and distribute this software and its 7 documentation for any purpose and without fee is hereby granted, 8 provided that the above copyright notice appear in all copies and that 9 both that copyright notice and this permission notice appear in 10 supporting documentation, and that the name of IBM not be 11 used in advertising or publicity pertaining to distribution of the 12 software without specific, written prior permission. 13 14 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 15 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 16 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 17 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 18 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 19 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 20 SOFTWARE. 21 22 ******************************************************************/ 23 24 /* 25 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison 26 */ 27 /* $Header: iso_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $ 28 * $Source: /usr/argo/sys/netiso/RCS/iso_proto.c,v $ 29 * @(#)iso_proto.c 7.5 (Berkeley) 05/03/90 * 30 * 31 * iso_proto.c : protocol switch tables in the ISO domain 32 * 33 * ISO protocol family includes TP, CLTP, CLNP, 8208 34 * TP and CLNP are implemented here. 35 */ 36 37 #ifndef lint 38 static char *rcsid = "$Header: iso_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $"; 39 #endif 40 41 #ifdef ISO 42 #include "types.h" 43 #include "param.h" 44 #include "socket.h" 45 #include "protosw.h" 46 #include "domain.h" 47 #include "mbuf.h" 48 49 #include "iso.h" 50 51 int clnp_output(), clnp_init(),clnp_slowtimo(),clnp_drain(); 52 int rclnp_input(), rclnp_output(), rclnp_ctloutput(), raw_usrreq(); 53 int clnp_usrreq(); 54 55 int tp_ctloutput(); 56 int tpclnp_ctlinput(); 57 int tpclnp_input(); 58 int tp_usrreq(); 59 int tp_init(),tp_slowtimo(),tp_drain(); 60 61 int esis_input(), esis_ctlinput(), esis_init(), esis_usrreq(); 62 int cltp_input(), cltp_ctlinput(), cltp_init(), cltp_usrreq(), cltp_output(); 63 64 struct protosw isosw[] = { 65 /* 66 * We need a datagram entry through which net mgmt programs can get 67 * to the iso_control procedure (iso ioctls). Thus, a minimal 68 * SOCK_DGRAM interface is provided here. 69 * THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call 70 * pffindtype, which gets the first entry that matches the type. 71 * sigh. 72 */ 73 { SOCK_DGRAM, &isodomain, ISOPROTO_CLTP, PR_ATOMIC|PR_ADDR, 74 0, cltp_output, 0, 0, 75 cltp_usrreq, 76 cltp_init, 0, 0, 0 77 }, 78 79 /* 80 * A datagram interface for clnp cannot co-exist with TP/CLNP 81 * because CLNP has no way to discriminate incoming TP packets from 82 * packets coming in for any other higher layer protocol. 83 * Old way: set it up so that pffindproto(... dgm, clnp) fails. 84 * New way: let pffindproto work (for x.25, thank you) but create 85 * a clnp_usrreq() that returns error on PRU_ATTACH. 86 */ 87 {SOCK_DGRAM, &isodomain, ISOPROTO_CLNP, 0, 88 0, clnp_output, 0, 0, 89 clnp_usrreq, 90 clnp_init, 0, clnp_slowtimo, clnp_drain, 91 }, 92 93 /* raw clnp */ 94 { SOCK_RAW, &isodomain, ISOPROTO_RAW, PR_ATOMIC|PR_ADDR, 95 rclnp_input, rclnp_output, 0, rclnp_ctloutput, 96 clnp_usrreq, 97 0, 0, 0, 0 98 }, 99 100 /* ES-IS protocol */ 101 { SOCK_DGRAM, &isodomain, ISOPROTO_ESIS, PR_ATOMIC|PR_ADDR, 102 esis_input, 0, esis_ctlinput, 0, 103 esis_usrreq, 104 esis_init, 0, 0, 0 105 }, 106 107 /* ISOPROTO_TP */ 108 { SOCK_SEQPACKET, &isodomain, ISOPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD, 109 tpclnp_input, 0, tpclnp_ctlinput, tp_ctloutput, 110 tp_usrreq, 111 tp_init, 0, tp_slowtimo, tp_drain, 112 }, 113 114 }; 115 116 int iso_init(); 117 118 struct domain isodomain = { 119 AF_ISO, /* family */ 120 "iso-domain", /* name */ 121 iso_init, /* initialize routine */ 122 0, /* externalize access rights */ 123 0, /* dispose of internalized rights */ 124 isosw, /* protosw */ 125 &isosw[sizeof(isosw)/sizeof(isosw[0])] /* NPROTOSW */ 126 }; 127 #endif ISO 128