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 * @(#)eonvar.h 7.3 (Berkeley) 04/05/90 27 */ 28 29 #define EON_986_VERSION 0x3 30 #define EON_VERSION 0x1 31 32 #define EON_CACHESIZE 30 33 34 #define E_FREE 1 35 #define E_LINK 2 36 #define E_ES 3 37 #define E_IS 4 38 39 40 /* 41 * this overlays a sockaddr_iso 42 */ 43 44 struct sockaddr_eon { 45 u_char seon_len; /* Length */ 46 u_char seon_family; /* AF_ISO */ 47 u_char seon_status; /* overlays session suffixlen */ 48 #define EON_ESLINK_UP 0x1 49 #define EON_ESLINK_DOWN 0x2 50 #define EON_ISLINK_UP 0x10 51 #define EON_ISLINK_DOWN 0x20 52 /* no change is neither up or down */ 53 u_char seon_pad1; /* 0, overlays tsfxlen */ 54 u_char seon_adrlen; 55 u_char seon_afi; /* 47 */ 56 u_char seon_idi[2]; /* 0006 */ 57 u_char seon_vers; /* 03 */ 58 u_char seon_glbnum[2]; /* see RFC 1069 */ 59 u_char seon_RDN[2]; /* see RFC 1070 */ 60 u_char seon_pad2[3]; /* see RFC 1070 */ 61 u_char seon_LAREA[2]; /* see RFC 1070 */ 62 u_char seon_pad3[2]; /* see RFC 1070 */ 63 /* right now ip addr is aligned -- be careful -- 64 * future revisions may have it u_char[4] 65 */ 66 u_int seon_ipaddr; /* a.b.c.d */ 67 u_char seon_protoid; /* NSEL */ 68 }; 69 70 #ifdef EON_TEMPLATE 71 struct sockaddr_eon eon_template = { 72 sizeof (eon_template), AF_ISO, 0, 0, 0x14, 73 0x47, 0x0, 0x6, 0x3, 0 74 }; 75 #endif 76 77 #define DOWNBITS ( EON_ESLINK_DOWN | EON_ISLINK_DOWN ) 78 #define UPBITS ( EON_ESLINK_UP | EON_ISLINK_UP ) 79 80 #define SIOCSEONCORE _IOWR('i',10, struct iso_ifreq) /* EON core member */ 81 #define SIOCGEONCORE _IOWR('i',11, struct iso_ifreq) /* EON core member */ 82 83 struct eon_hdr { 84 u_char eonh_vers; /* value 1 */ 85 u_char eonh_class; /* address multicast class, below */ 86 #define EON_NORMAL_ADDR 0x0 87 #define EON_MULTICAST_ES 0x1 88 #define EON_MULTICAST_IS 0x2 89 #define EON_BROADCAST 0x3 90 u_short eonh_csum; /* osi checksum (choke)*/ 91 }; 92 struct eon_iphdr { 93 struct ip ei_ip; 94 struct eon_hdr ei_eh; 95 }; 96 #define EONIPLEN (sizeof(struct eon_hdr) + sizeof(struct ip)) 97 98 /* stole these 2 fields of the flags for I-am-ES and I-am-IS */ 99 #define IFF_ES 0x400 100 #define IFF_IS 0x800 101 102 struct eon_stat { 103 int es_in_multi_es; 104 int es_in_multi_is; 105 int es_in_broad; 106 int es_in_normal; 107 int es_out_multi_es; 108 int es_out_multi_is; 109 int es_out_broad; 110 int es_out_normal; 111 int es_ipout; 112 113 int es_icmp[PRC_NCMDS]; 114 /* errors */ 115 int es_badcsum; 116 int es_badhdr; 117 } eonstat; 118 119 #undef IncStat 120 #define IncStat(xxx) eonstat.xxx++ 121 122 typedef struct qhdr { 123 struct qhdr *link, *rlink; 124 } *queue_t; 125 126 struct eon_llinfo { 127 struct qhdr el_qhdr; /* keep all in a list */ 128 int el_flags; /* cache valid ? */ 129 struct rtentry *el_rt; /* back pointer to parent route */ 130 struct eon_iphdr el_ei; /* precomputed portion of hdr */ 131 struct route el_iproute; /* if direct route cache IP info */ 132 /* if gateway, cache secondary route */ 133 }; 134 #define el_iphdr el_ei.ei_ip 135 #define el_eonhdr el_ei.ei_eh 136