/* if_il.h 4.3 82/08/25 */ /* * Structure of an Ethernet header -- transmit format * (source address insertion disabled) */ struct il_xheader { u_char ilx_dhost[6]; /* Destination Host */ u_char ilx_shost[6]; /* Source Host */ u_short ilx_type; /* Type of packet */ }; /* * Structure of an Ethernet header -- receive format */ struct il_rheader { u_char ilr_status; /* Frame Status */ u_char ilr_fill1; u_short ilr_length; /* Frame Length */ u_char ilr_dhost[6]; /* Destination Host */ u_char ilr_shost[6]; /* Source Host */ u_short ilr_type; /* Type of packet */ }; #define ILPUP_PUPTYPE 0x0400 /* PUP protocol */ #define ILPUP_IPTYPE 0x0800 /* IP protocol */ #define ILPUP_ARPTYPE 0x0806 /* Address resolution protocol */ /* * The ILPUP_NTRAILER packet types starting at ILPUP_TRAIL have * (type-ILPUP_TRAIL)*512 bytes of data followed * by a PUP type (as given above) and then the (variable-length) header. */ #define ILPUP_TRAIL 0x1000 /* Trailer PUP */ #define ILPUP_NTRAILER 16 #if pdp11 #define ils_fill1 ils_f1 #define ils_fill2 ils_f2 #endif /* * Structure of statistics record */ struct il_stats { u_short ils_fill1; u_short ils_length; /* Length (should be 62) */ u_char ils_addr[6]; /* Ethernet Address */ u_short ils_frames; /* Number of Frames Received */ u_short ils_rfifo; /* Number of Frames in Receive FIFO */ u_short ils_xmit; /* Number of Frames Transmitted */ u_short ils_xcollis; /* Number of Excess Collisions */ u_short ils_frag; /* Number of Fragments Received */ u_short ils_lost; /* Number of Times Frames Lost */ u_short ils_multi; /* Number of Multicasts Accepted */ u_short ils_rmulti; /* Number of Multicasts Rejected */ u_short ils_crc; /* Number of CRC Errors */ u_short ils_align; /* Number of Alignment Errors */ u_short ils_collis; /* Number of Collisions */ u_short ils_owcollis; /* Number of Out-of-window Collisions */ u_short ils_fill2[8]; char ils_module[8]; /* Module ID */ char ils_firmware[8]; /* Firmware ID */ }; /* * Structure of Collision Delay Time Record */ struct il_collis { u_short ilc_fill1; u_short ilc_length; /* Length (should be 0-32) */ u_short ilc_delay[16]; /* Delay Times */ }; u_char etherbroadcastaddr[6]; /* 6 bytes of 0xFF */ /* * Ethernet Address Resolution Protocol. * * See RFC 826 for protocol description. Structure below is adapted * to resolving internet addresses. Field names used correspond to * RFC 826. */ struct ether_arp { u_short arp_hrd; /* format of hardware address */ #define ARPHRD_ETHER 1 /* ethernet hardware address */ u_short arp_pro; /* format of proto. address (ETHERPUP_IPTYPE) */ u_char arp_hln; /* length of hardware address (6) */ u_char arp_pln; /* length of protocol address (4) */ u_short arp_op; #define ARPOP_REQUEST 1 /* request to resolve address */ #define ARPOP_REPLY 2 /* response to previous request */ u_char arp_sha[6]; /* sender hardware address */ u_char arp_spa[4]; /* sender protocol address */ u_char arp_tha[6]; /* target hardware address */ u_char arp_tpa[4]; /* target protocol address */ }; #ifdef KERNEL /* * Structure shared between the ethernet driver modules and * the address resolution code. For example, each ec_softc or il_softc * begins with this structure. */ struct arpcom { struct ifnet ac_if; /* network-visible interface */ u_char ac_enaddr[6]; /* ethernet hardware address */ struct arpcom *ac_ac; /* link to next ether driver */ }; struct in_addr arpmyaddr(); struct arptab *arptnew(); #endif