111193Ssam /* if_vv.h 4.3 83/02/20 */ 27025Ssam /* 37025Ssam * Local network header for V2LNI Ring 47025Ssam * This is arbitrated by "V2LNI-PEOPLE@MIT-MC" 57025Ssam * (aka Joel N. Chiappa) 67025Ssam */ 711193Ssam 8*12350Smo #define NEW_BROADCAST /* new plas for broadcast problem */ 911193Ssam 107025Ssam struct vv_header { 117025Ssam /* the first two fields are required by the hardware */ 127025Ssam u_char vh_dhost; /* destination address */ 137025Ssam u_char vh_shost; /* source address */ 147025Ssam /* the next three fields are the local network header */ 157025Ssam u_char vh_version; /* header version */ 167025Ssam u_char vh_type; /* packet type => protocol number */ 177025Ssam short vh_info; /* protocol-specific information */ 187025Ssam }; 197025Ssam 2011193Ssam #define RING_VERSION 2 /* current version of v2lni header */ 217025Ssam 227025Ssam /* 237025Ssam * Packet types (protocol numbers) in v2lni header 247025Ssam */ 257025Ssam #define RING_IP 1 267025Ssam #define RING_IPTrailer 2 277639Ssam #define RING_IPNTrailer 16 287025Ssam #define RING_WHOAMI 0xa5 /* insure some bit transitions */ 297025Ssam 3011193Ssam #ifdef NEW_BROADCAST 3111193Ssam #define VV_BROADCAST 0xff /* hardware-defined broadcast address */ 3211193Ssam #else 3311193Ssam #define VV_BROADCAST 0x00 /* hardware-defined broadcast address */ 3411193Ssam #endif 357025Ssam 367025Ssam /* 377025Ssam * Proteon V2LNI Hardware definitions 387025Ssam * register bit definitions - new style 397025Ssam */ 407025Ssam #define VV_ENB 01 /* Enable Operation */ 417025Ssam #define VV_DEN 02 /* Enable DMA */ 427025Ssam #define VV_HEN 04 /* Host Relay Enable (Rcv) */ 437025Ssam #define VV_CPB 04 /* Clear Packet Buffer (Xmit) */ 447025Ssam #define VV_STE 010 /* Self Test Enable (Rcv) */ 457025Ssam #define VV_UT1 010 /* Unused (Xmit) */ 467025Ssam #define VV_LPB 020 /* Modem Disable (Rcv) */ 477025Ssam #define VV_INR 020 /* Initialize Ring (Xmit) */ 487025Ssam #define VV_RST 040 /* Reset */ 497025Ssam #define VV_IEN 0100 /* Interrupt Enable */ 507025Ssam #define VV_RDY 0200 /* Done */ 517025Ssam #define VV_DPR 0400 /* Data Present (Rcv) */ 527025Ssam #define VV_RFS 0400 /* Refused (Xmit) */ 537025Ssam #define VV_NXM 01000 /* Non Existent Memory */ 547025Ssam #define VV_OVR 02000 /* Overrun */ 557025Ssam #define VV_ODB 04000 /* Odd Byte (Achtung, mein Fuehrer) (Rcv) */ 567025Ssam #define VV_UT2 04000 /* Unused (Xmit) */ 577025Ssam #define VV_LDE 010000 /* Link Data Error (Rcv) */ 587025Ssam #define VV_OPT 010000 /* Output Timeout (Xmit) */ 597025Ssam #define VV_NOK 020000 /* Ring Not OK */ 607025Ssam #define VV_BDF 040000 /* Bad Format in Operation */ 617025Ssam #define VV_NIR 0100000 /* Not in Ring */ 627025Ssam 637025Ssam #define VVXERR (VV_NXM|VV_OVR|VV_OPT|VV_BDF) /* Xmit errs */ 647025Ssam #define VVRERR (VV_NXM|VV_OVR|VV_ODB|VV_BDF) /* Rcv errs */ 657025Ssam #define VVFE (VV_NXM|VV_OVR) /* Fatal errors */ 667025Ssam 677025Ssam #define VV_IBITS \ 687025Ssam "\10\20NIR\17BDF\16NOK\15LDE\14ODB\13OVR\12NXM\11DPR\10RDY\7IEN\6RST\5LPB\4STE\3HEN\2DEN\1ENB" 697025Ssam 707025Ssam #define VV_OBITS \ 717025Ssam "\10\20NIR\17BDF\16NOK\15OPT\13OVR\12NXM\11RFS\10RDY\7IEN\6RST\5INR\3HEN\2DEN\1ENB" 727025Ssam 737025Ssam /* device registers */ 747025Ssam struct vvreg { 757025Ssam short vvicsr; /* input csr */ 767025Ssam u_short vviwc; /* input word count */ 777025Ssam u_short vviba; /* input addr lo */ 787025Ssam u_short vviea; /* input addr hi */ 797025Ssam short vvocsr; /* output csr */ 807025Ssam u_short vvowc; /* output word count */ 817025Ssam u_short vvoba; /* output addr lo */ 827025Ssam u_short vvoea; /* output addr hi */ 837025Ssam }; 847025Ssam 857025Ssam #define VVRETRY 7 86