| 1 | /*- |
| 2 | * Copyright (c) 1991 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * %sccs.include.redist.c% |
| 6 | * |
| 7 | * @(#)eonvar.h 7.5 (Berkeley) %G% |
| 8 | */ |
| 9 | |
| 10 | /*********************************************************** |
| 11 | Copyright IBM Corporation 1987 |
| 12 | |
| 13 | All Rights Reserved |
| 14 | |
| 15 | Permission to use, copy, modify, and distribute this software and its |
| 16 | documentation for any purpose and without fee is hereby granted, |
| 17 | provided that the above copyright notice appear in all copies and that |
| 18 | both that copyright notice and this permission notice appear in |
| 19 | supporting documentation, and that the name of IBM not be |
| 20 | used in advertising or publicity pertaining to distribution of the |
| 21 | software without specific, written prior permission. |
| 22 | |
| 23 | IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| 24 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| 25 | IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| 26 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 27 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| 28 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| 29 | SOFTWARE. |
| 30 | |
| 31 | ******************************************************************/ |
| 32 | |
| 33 | /* |
| 34 | * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison |
| 35 | */ |
| 36 | |
| 37 | #define EON_986_VERSION 0x3 |
| 38 | #define EON_VERSION 0x1 |
| 39 | |
| 40 | #define EON_CACHESIZE 30 |
| 41 | |
| 42 | #define E_FREE 1 |
| 43 | #define E_LINK 2 |
| 44 | #define E_ES 3 |
| 45 | #define E_IS 4 |
| 46 | |
| 47 | |
| 48 | /* |
| 49 | * this overlays a sockaddr_iso |
| 50 | */ |
| 51 | |
| 52 | struct sockaddr_eon { |
| 53 | u_char seon_len; /* Length */ |
| 54 | u_char seon_family; /* AF_ISO */ |
| 55 | u_char seon_status; /* overlays session suffixlen */ |
| 56 | #define EON_ESLINK_UP 0x1 |
| 57 | #define EON_ESLINK_DOWN 0x2 |
| 58 | #define EON_ISLINK_UP 0x10 |
| 59 | #define EON_ISLINK_DOWN 0x20 |
| 60 | /* no change is neither up or down */ |
| 61 | u_char seon_pad1; /* 0, overlays tsfxlen */ |
| 62 | u_char seon_adrlen; |
| 63 | u_char seon_afi; /* 47 */ |
| 64 | u_char seon_idi[2]; /* 0006 */ |
| 65 | u_char seon_vers; /* 03 */ |
| 66 | u_char seon_glbnum[2]; /* see RFC 1069 */ |
| 67 | u_char seon_RDN[2]; /* see RFC 1070 */ |
| 68 | u_char seon_pad2[3]; /* see RFC 1070 */ |
| 69 | u_char seon_LAREA[2]; /* see RFC 1070 */ |
| 70 | u_char seon_pad3[2]; /* see RFC 1070 */ |
| 71 | /* right now ip addr is aligned -- be careful -- |
| 72 | * future revisions may have it u_char[4] |
| 73 | */ |
| 74 | u_int seon_ipaddr; /* a.b.c.d */ |
| 75 | u_char seon_protoid; /* NSEL */ |
| 76 | }; |
| 77 | |
| 78 | #ifdef EON_TEMPLATE |
| 79 | struct sockaddr_eon eon_template = { |
| 80 | sizeof (eon_template), AF_ISO, 0, 0, 0x14, |
| 81 | 0x47, 0x0, 0x6, 0x3, 0 |
| 82 | }; |
| 83 | #endif |
| 84 | |
| 85 | #define DOWNBITS ( EON_ESLINK_DOWN | EON_ISLINK_DOWN ) |
| 86 | #define UPBITS ( EON_ESLINK_UP | EON_ISLINK_UP ) |
| 87 | |
| 88 | #define SIOCSEONCORE _IOWR('i',10, struct iso_ifreq) /* EON core member */ |
| 89 | #define SIOCGEONCORE _IOWR('i',11, struct iso_ifreq) /* EON core member */ |
| 90 | |
| 91 | struct eon_hdr { |
| 92 | u_char eonh_vers; /* value 1 */ |
| 93 | u_char eonh_class; /* address multicast class, below */ |
| 94 | #define EON_NORMAL_ADDR 0x0 |
| 95 | #define EON_MULTICAST_ES 0x1 |
| 96 | #define EON_MULTICAST_IS 0x2 |
| 97 | #define EON_BROADCAST 0x3 |
| 98 | u_short eonh_csum; /* osi checksum (choke)*/ |
| 99 | }; |
| 100 | struct eon_iphdr { |
| 101 | struct ip ei_ip; |
| 102 | struct eon_hdr ei_eh; |
| 103 | }; |
| 104 | #define EONIPLEN (sizeof(struct eon_hdr) + sizeof(struct ip)) |
| 105 | |
| 106 | /* stole these 2 fields of the flags for I-am-ES and I-am-IS */ |
| 107 | #define IFF_ES 0x400 |
| 108 | #define IFF_IS 0x800 |
| 109 | |
| 110 | struct eon_stat { |
| 111 | int es_in_multi_es; |
| 112 | int es_in_multi_is; |
| 113 | int es_in_broad; |
| 114 | int es_in_normal; |
| 115 | int es_out_multi_es; |
| 116 | int es_out_multi_is; |
| 117 | int es_out_broad; |
| 118 | int es_out_normal; |
| 119 | int es_ipout; |
| 120 | |
| 121 | int es_icmp[PRC_NCMDS]; |
| 122 | /* errors */ |
| 123 | int es_badcsum; |
| 124 | int es_badhdr; |
| 125 | } eonstat; |
| 126 | |
| 127 | #undef IncStat |
| 128 | #define IncStat(xxx) eonstat.xxx++ |
| 129 | |
| 130 | typedef struct qhdr { |
| 131 | struct qhdr *link, *rlink; |
| 132 | } *queue_t; |
| 133 | |
| 134 | struct eon_llinfo { |
| 135 | struct qhdr el_qhdr; /* keep all in a list */ |
| 136 | int el_flags; /* cache valid ? */ |
| 137 | int el_snpaoffset; /* IP address contained in dst nsap */ |
| 138 | struct rtentry *el_rt; /* back pointer to parent route */ |
| 139 | struct eon_iphdr el_ei; /* precomputed portion of hdr */ |
| 140 | struct route el_iproute; /* if direct route cache IP info */ |
| 141 | /* if gateway, cache secondary route */ |
| 142 | }; |
| 143 | #define el_iphdr el_ei.ei_ip |
| 144 | #define el_eonhdr el_ei.ei_eh |