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 * 30 * iso_proto.c : protocol switch tables in the ISO domain 31 * 32 * ISO protocol family includes TP, CLTP, CLNP, 8208 33 * TP and CLNP are implemented here. 34 */ 35 36 #ifndef lint 37 static char *rcsid = "$Header: iso_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $"; 38 #endif 39 40 #ifdef ISO 41 #include "types.h" 42 #include "param.h" 43 #include "socket.h" 44 #include "protosw.h" 45 #include "domain.h" 46 #include "mbuf.h" 47 48 #include "iso.h" 49 50 int clnp_output(), clnp_init(),clnp_slowtimo(),clnp_drain(); 51 int rclnp_input(), rclnp_output(), rclnp_ctloutput(), raw_usrreq(); 52 int clnp_usrreq(); 53 int iso_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 63 struct protosw isosw[] = { 64 /* 65 * We need a datagram entry through which net mgmt programs can get 66 * to the iso_control procedure (iso ioctls). Thus, a minimal 67 * SOCK_DGRAM interface is provided here. 68 * THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call 69 * pffindtype, which gets the first entry that matches the type. 70 * sigh. 71 */ 72 { SOCK_DGRAM, &isodomain, 0, PR_ATOMIC|PR_ADDR, 73 0, 0, 0, 0, 74 iso_usrreq, 75 0, 0, 0, 0 76 }, 77 78 /* 79 * A datagram interface for clnp cannot co-exist with TP/CLNP 80 * because CLNP has no way to discriminate incoming TP packets from 81 * packets coming in for any other higher layer protocol. 82 * Old way: set it up so that pffindproto(... dgm, clnp) fails. 83 * New way: let pffindproto work (for x.25, thank you) but create 84 * a clnp_usrreq() that returns error on PRU_ATTACH. 85 */ 86 {SOCK_DGRAM, &isodomain, ISOPROTO_CLNP, 0, 87 clnp_usrreq, clnp_output, 0, 0, 88 0, 89 clnp_init, 0, clnp_slowtimo, clnp_drain, 90 }, 91 92 /* raw clnp */ 93 { SOCK_RAW, &isodomain, ISOPROTO_RAW, PR_ATOMIC|PR_ADDR, 94 rclnp_input, rclnp_output, 0, rclnp_ctloutput, 95 raw_usrreq, 96 0, 0, 0, 0 97 }, 98 99 /* ES-IS protocol */ 100 { SOCK_DGRAM, &isodomain, ISOPROTO_ESIS, PR_ATOMIC|PR_ADDR, 101 esis_input, 0, esis_ctlinput, 0, 102 esis_usrreq, 103 esis_init, 0, 0, 0 104 }, 105 106 /* ISOPROTO_TP */ 107 { SOCK_SEQPACKET, &isodomain, ISOPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD, 108 tpclnp_input, 0, tpclnp_ctlinput, tp_ctloutput, 109 tp_usrreq, 110 tp_init, 0, tp_slowtimo, tp_drain, 111 }, 112 113 }; 114 115 int iso_init(); 116 117 struct domain isodomain = { 118 AF_ISO, /* family */ 119 "iso-domain", /* name */ 120 iso_init, /* initialize routine */ 121 0, /* externalize access rights */ 122 0, /* dispose of internalized rights */ 123 isosw, /* protosw */ 124 &isosw[sizeof(isosw)/sizeof(isosw[0])] /* NPROTOSW */ 125 }; 126 #endif ISO 127