1 /* if_hy.h 6.2 85/05/28 */ 2 3 /* 4 * 4.2 BSD Unix Kernel - Vax Network Interface Support 5 * 6 * $Header: if_hy.h,v 10.0 84/06/30 19:51:21 steveg Stable $ 7 * $Locker: $ 8 * 9 * Modifications from Berkeley 4.2 BSD 10 * Copyright (c) 1983, Tektronix Inc. 11 * All Rights Reserved 12 * 13 * 14 * $Log: if_hy.h,v $ 15 * Revision 10.0 84/06/30 19:51:21 steveg 16 * Big Build 17 * 18 * Revision 3.13 84/05/30 19:40:58 steveg 19 * update hy_stat to reflect new microcode 20 * 21 * Revision 3.12 84/05/30 19:06:57 steveg 22 * move driver state number definition here from if_hy.c 23 * 24 * Revision 3.11 84/05/30 18:56:15 steveg 25 * add definition of HYE_MAX and HYE_SIZE 26 * 27 * Revision 3.10 84/05/30 17:14:04 steveg 28 * add hyl_filter 29 * 30 * Revision 3.9 84/05/30 13:45:24 steveg 31 * rework logging 32 * 33 * Revision 3.8 84/05/04 05:18:59 steveg 34 * hyr_key now a u_long 35 * 36 * Revision 3.7 84/05/01 22:45:20 steveg 37 * add H_RLOOPBK for A710 remote end loopback command 38 * 39 * 40 */ 41 42 43 /* 44 * Structure of a HYPERchannel adapter header 45 */ 46 struct hy_hdr { 47 short hyh_ctl; /* control */ 48 short hyh_access; /* access code */ 49 union { 50 short hyh_addr; 51 char hyh_baddr[2]; 52 } hyh_uto, hyh_ufrom; /* to/from address */ 53 short hyh_param; /* parameter word */ 54 short hyh_type; /* record type */ 55 }; 56 57 58 #define hyh_to hyh_uto.hyh_addr 59 #define hyh_to_port hyh_uto.hyh_baddr[1] 60 #define hyh_to_adapter hyh_uto.hyh_baddr[0] 61 62 #define hyh_from hyh_ufrom.hyh_addr 63 #define hyh_from_port hyh_ufrom.hyh_baddr[1] 64 #define hyh_from_adapter hyh_ufrom.hyh_baddr[0] 65 66 /* 67 * Structure of a HYPERchannel message header (from software) 68 */ 69 struct hym_hdr { 70 struct { 71 short hymd_mplen; /* message proper len, if associated data */ 72 } hym_d; 73 struct hy_hdr hym_h; /* hardware header, MUST BE LAST */ 74 }; 75 76 #define hym_mplen hym_d.hymd_mplen 77 78 #define hym_ctl hym_h.hyh_ctl 79 #define hym_access hym_h.hyh_access 80 #define hym_param hym_h.hyh_param 81 #define hym_type hym_h.hyh_type 82 83 #define hym_to hym_h.hyh_to 84 #define hym_to_port hym_h.hyh_to_port 85 #define hym_to_adapter hym_h.hyh_to_adapter 86 87 #define hym_from hym_h.hyh_from 88 #define hym_from_port hym_h.hyh_from_port 89 #define hym_from_adapter hym_h.hyh_from_adapter 90 91 #define HYM_SWLEN (sizeof(struct hym_hdr) - sizeof(struct hy_hdr)) 92 93 /* 94 * HYPERchannel header word control bits 95 */ 96 #define H_XTRUNKS 0x00F0 /* transmit trunks */ 97 #define H_RTRUNKS 0x000F /* remote trunks to transmit on for loopback */ 98 #define H_ASSOC 0x0100 /* has associated data */ 99 #define H_LOOPBK 0x00FF /* loopback command */ 100 #define H_RLOOPBK 0x008F /* A710 remote loopback command */ 101 102 /* 103 * Hyperchannel record types 104 */ 105 #define HYLINK_IP 0 /* Internet Protocol Packet */ 106 107 /* 108 * Routing database 109 */ 110 #define HYRSIZE 37 /* max number of adapters in routing tables */ 111 112 struct hy_route { 113 time_t hyr_lasttime; /* last update time */ 114 u_char hyr_gateway[256]; 115 struct hyr_hash { 116 u_long hyr_key; /* desired address */ 117 u_short hyr_flags; /* status flags - see below */ 118 u_short hyr_size; /* number of entries */ 119 union { 120 /* 121 * direct entry (can get there directly) 122 */ 123 struct { 124 u_short hyru_dst; /* adapter number & port */ 125 u_short hyru_ctl; /* trunks to try */ 126 u_short hyru_access; /* access code (mostly unused) */ 127 } hyr_d; 128 #define hyr_dst hyr_u.hyr_d.hyru_dst 129 #define hyr_ctl hyr_u.hyr_d.hyru_ctl 130 #define hyr_access hyr_u.hyr_d.hyru_access 131 /* 132 * indirect entry (one or more hops required) 133 */ 134 struct { 135 u_char hyru_pgate; /* 1st gateway slot */ 136 u_char hyru_egate; /* # gateways */ 137 u_char hyru_nextgate; /* gateway to use next */ 138 } hyr_i; 139 #define hyr_pgate hyr_u.hyr_i.hyru_pgate 140 #define hyr_egate hyr_u.hyr_i.hyru_egate 141 #define hyr_nextgate hyr_u.hyr_i.hyru_nextgate 142 } hyr_u; 143 } hyr_hash[HYRSIZE]; 144 }; 145 146 /* 147 * routing table set/get structure 148 * 149 * used to just pass the entire routing table through, but 4.2 ioctls 150 * limit the data part of an ioctl to 128 bytes or so and use the 151 * interface name to get things sent the right place. 152 * see ../net/if.h for additional details. 153 */ 154 struct hyrsetget { 155 char hyrsg_name[IFNAMSIZ]; /* if name, e.g. "hy0" */ 156 struct hy_route *hyrsg_ptr; /* pointer to routing table */ 157 unsigned hyrsg_len; /* size of routing table provided */ 158 }; 159 160 #define HYR_INUSE 0x01 /* entry in use */ 161 #define HYR_DIR 0x02 /* direct entry */ 162 #define HYR_GATE 0x04 /* gateway entry */ 163 #define HYR_LOOP 0x08 /* hardware loopback entry */ 164 #define HYR_RLOOP 0x10 /* remote adapter hardware loopback entry */ 165 166 #define HYRHASH(x) (((x) ^ ((x) >> 16)) % HYRSIZE) 167 168 #define HYSETROUTE _IOW(i, 0x80, struct hyrsetget) 169 #define HYGETROUTE _IOW(i, 0x81, struct hyrsetget) 170 171 struct hylsetget { 172 char hylsg_name[IFNAMSIZ]; /* if name, e.g. "hy0" */ 173 int hylsg_cmd; /* logging command */ 174 caddr_t hylsg_ptr; /* pointer to table */ 175 u_long hylsg_len; /* size of table provided */ 176 }; 177 178 #define HYSETLOG _IOW(i, 0x82, struct hylsetget) 179 #define HYGETLOG _IOW(i, 0x83, struct hylsetget) 180 #define HYGETELOG _IOW(i, 0x84, struct hylsetget) 181 182 /* 183 * Structure of Statistics Record (counters) 184 */ 185 struct hy_stat { 186 u_char hyc_df0[3]; /* # data frames trunk 0 */ 187 u_char hyc_df1[3]; /* # data frames trunk 1 */ 188 u_char hyc_df2[3]; /* # data frames trunk 2 */ 189 u_char hyc_df3[3]; /* # data frames trunk 3 */ 190 u_char hyc_cancel[2]; /* # cancel operations */ 191 u_char hyc_abort[2]; /* # aborts */ 192 u_char hyc_ret0[3]; /* # retransmissions trunk 0 */ 193 u_char hyc_ret1[3]; /* # retransmissions trunk 1 */ 194 u_char hyc_ret2[3]; /* # retransmissions trunk 2 */ 195 u_char hyc_ret3[3]; /* # retransmissions trunk 3 */ 196 u_char hyc_atype[3]; /* adapter type and revision level */ 197 u_char hyc_uaddr; /* adapter unit number */ 198 }; 199 200 /* 201 * Structure of the Status Record 202 */ 203 struct hy_status { 204 u_char hys_gen_status; /* general status byte */ 205 u_char hys_last_fcn; /* last function code issued */ 206 u_char hys_resp_trunk; /* trunk response byte */ 207 u_char hys_status_trunk; /* trunk status byte */ 208 u_char hys_recd_resp; /* recieved response byte */ 209 u_char hys_error; /* error code */ 210 u_char hys_caddr; /* compressed addr of 1st msg on chain */ 211 u_char hys_pad; /* not used */ 212 }; 213 214 /* 215 * Get port number from status record 216 */ 217 #define PORTNUM(p) (((p)->hys_gen_status >> 6) & 0x03) 218 219 #define HYL_SIZE 16*1024 220 struct hy_log { 221 struct hy_log *hyl_self; 222 u_char hyl_enable; /* logging enabled? */ 223 u_char hyl_onerr; /* state to enter on error */ 224 u_short hyl_wait; /* number of bytes till next wakeup */ 225 u_short hyl_count; /* number of samples till stop */ 226 u_short hyl_icount; /* initial value of hyl_count */ 227 u_long hyl_filter; /* log items with specific bits set */ 228 u_char *hyl_eptr; /* &hy_log.hyl_buf[HYL_SIZE] */ 229 u_char *hyl_ptr; /* pointer into hyl_buf */ 230 u_char hyl_buf[HYL_SIZE]; /* log buffer space */ 231 }; 232 233 #define HYL_NOP 0 234 #define HYL_UP 1 /* markup */ 235 #define HYL_STATUS 2 /* status results (struct hy_status) */ 236 #define HYL_STATISTICS 3 /* statistics (struct hy_stat) */ 237 #define HYL_XMIT 4 /* packed being send (struct hym_hdr) */ 238 #define HYL_RECV 5 /* recieved pkt (short len; struct hym_hdr) */ 239 #define HYL_CMD 6 /* cmd issued (uchar cmd, state; short count) */ 240 #define HYL_INT 7 /* interrupt (short csr, wcr) */ 241 #define HYL_CANCEL 8 /* cancel transmit attempt */ 242 #define HYL_RESET 9 /* hyinit or unibus reset */ 243 #define HYL_IOCTL 10 /* hyioctl */ 244 245 #define HYL_DISABLED 0 /* logging disabled */ 246 #define HYL_CONTINUOUS 1 /* continuous logging */ 247 #define HYL_CATCHN 2 /* hyl_count transactions being captured */ 248 249 /* 250 * error code histograms 251 */ 252 #define HYE_MAX 0x18 /* maximum adapter error code */ 253 #define HYE_BINS 4 /* number of command bins */ 254 #define HYE_SIZE (HYE_MAX+1)*HYE_BINS /* size of histogram buffer */ 255 256 /* 257 * Requests for service (in order by descending priority). 258 */ 259 #define RQ_ENDOP 001 /* end the last adapter function */ 260 #define RQ_REISSUE 002 /* reissue previous cmd after status */ 261 #define RQ_STATUS 004 /* get the status of the adapter */ 262 #define RQ_STATISTICS 010 /* get the statistics of the adapter */ 263 #define RQ_MARKDOWN 020 /* mark this adapter port down */ 264 #define RQ_MARKUP 040 /* mark this interface up */ 265 266 #define RQ_XASSOC 0100 /* associated data to transmit */ 267 268 /* 269 * Driver states. 270 */ 271 #define STARTUP 0 /* initial state (before fully there) */ 272 #define IDLE 1 /* idle state */ 273 #define STATSENT 2 /* status cmd sent to adapter */ 274 #define ENDOPSENT 3 /* end operation cmd sent */ 275 #define RECVSENT 4 /* input message cmd sent */ 276 #define RECVDATASENT 5 /* input data cmd sent */ 277 #define XMITSENT 6 /* transmit message cmd sent */ 278 #define XMITDATASENT 7 /* transmit data cmd sent */ 279 #define WAITING 8 /* waiting for messages */ 280 #define CLEARSENT 9 /* clear wait for message cmd sent */ 281 #define MARKPORT 10 /* mark this host's adapter port down issued */ 282 #define RSTATSENT 11 /* read statistics cmd sent to adapter */ 283 284 #ifdef HYLOG 285 char *hy_state_names[] = { 286 "Startup", 287 "Idle", 288 "Status Sent", 289 "End op Sent", 290 "Recieve Message Proper Sent", 291 "Recieve Data Sent", 292 "Transmit Message Proper Sent", 293 "Transmit Data Sent", 294 "Wait for Message Sent", 295 "Clear Wait for Message Sent", 296 "Mark Port Down Sent", 297 "Read Statistics Sent" 298 }; 299 #endif 300 301