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Annotation of 43BSDReno/sys/netiso/eonvar.h, revision 1.1

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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