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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 | |
6ffae239 | 26 | * @(#)eonvar.h 7.3 (Berkeley) %G% |
7e81e5b6 KS |
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 { | |
a50e2bc0 KS |
45 | u_char seon_len; /* Length */ |
46 | u_char seon_family; /* AF_ISO */ | |
47 | u_char seon_status; /* overlays session suffixlen */ | |
7e81e5b6 KS |
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 */ | |
a50e2bc0 KS |
53 | u_char seon_pad1; /* 0, overlays tsfxlen */ |
54 | u_char seon_adrlen; | |
7e81e5b6 KS |
55 | u_char seon_afi; /* 47 */ |
56 | u_char seon_idi[2]; /* 0006 */ | |
57 | u_char seon_vers; /* 03 */ | |
a50e2bc0 KS |
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 */ | |
7e81e5b6 KS |
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 */ | |
a50e2bc0 | 67 | u_char seon_protoid; /* NSEL */ |
7e81e5b6 KS |
68 | }; |
69 | ||
a50e2bc0 | 70 | #ifdef EON_TEMPLATE |
7e81e5b6 | 71 | struct sockaddr_eon eon_template = { |
a50e2bc0 KS |
72 | sizeof (eon_template), AF_ISO, 0, 0, 0x14, |
73 | 0x47, 0x0, 0x6, 0x3, 0 | |
7e81e5b6 | 74 | }; |
a50e2bc0 | 75 | #endif |
7e81e5b6 KS |
76 | |
77 | #define DOWNBITS ( EON_ESLINK_DOWN | EON_ISLINK_DOWN ) | |
78 | #define UPBITS ( EON_ESLINK_UP | EON_ISLINK_UP ) | |
79 | ||
a50e2bc0 KS |
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 | ||
7e81e5b6 KS |
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 | }; | |
6ffae239 KS |
92 | struct eon_iphdr { |
93 | struct ip ei_ip; | |
94 | struct eon_hdr ei_eh; | |
95 | }; | |
a50e2bc0 | 96 | #define EONIPLEN (sizeof(struct eon_hdr) + sizeof(struct ip)) |
7e81e5b6 KS |
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++ | |
a50e2bc0 KS |
121 | |
122 | typedef struct qhdr { | |
123 | struct qhdr *link, *rlink; | |
124 | } *queue_t; | |
6ffae239 KS |
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 |