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1.1 root 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 7.4 (Berkeley) 5/24/90
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: int el_snpaoffset; /* IP address contained in dst nsap */
130: struct rtentry *el_rt; /* back pointer to parent route */
131: struct eon_iphdr el_ei; /* precomputed portion of hdr */
132: struct route el_iproute; /* if direct route cache IP info */
133: /* if gateway, cache secondary route */
134: };
135: #define el_iphdr el_ei.ei_ip
136: #define el_eonhdr el_ei.ei_eh
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