1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Tektronix Inc. 7 * 8 * %sccs.include.redist.c% 9 * 10 * @(#)if_hy.h 7.4 (Berkeley) 06/28/90 11 */ 12 13 /* 14 * 4.2 BSD Unix Kernel - Vax Network Interface Support 15 * 16 * $Header: if_hy.h,v 10.0 84/06/30 19:51:21 steveg Stable $ 17 * $Locker: $ 18 * 19 * Modifications from Berkeley 4.2 BSD 20 * Copyright (c) 1983, Tektronix Inc. 21 * All Rights Reserved 22 * 23 * 24 * $Log: if_hy.h,v $ 25 * Revision 10.0 84/06/30 19:51:21 steveg 26 * Big Build 27 * 28 * Revision 3.13 84/05/30 19:40:58 steveg 29 * update hy_stat to reflect new microcode 30 * 31 * Revision 3.12 84/05/30 19:06:57 steveg 32 * move driver state number definition here from if_hy.c 33 * 34 * Revision 3.11 84/05/30 18:56:15 steveg 35 * add definition of HYE_MAX and HYE_SIZE 36 * 37 * Revision 3.10 84/05/30 17:14:04 steveg 38 * add hyl_filter 39 * 40 * Revision 3.9 84/05/30 13:45:24 steveg 41 * rework logging 42 * 43 * Revision 3.8 84/05/04 05:18:59 steveg 44 * hyr_key now a u_long 45 * 46 * Revision 3.7 84/05/01 22:45:20 steveg 47 * add H_RLOOPBK for A710 remote end loopback command 48 * 49 * 50 */ 51 52 53 /* 54 * Structure of a HYPERchannel adapter header 55 */ 56 struct hy_hdr { 57 short hyh_ctl; /* control */ 58 short hyh_access; /* access code */ 59 union { 60 short hyh_addr; 61 char hyh_baddr[2]; 62 } hyh_uto, hyh_ufrom; /* to/from address */ 63 short hyh_param; /* parameter word */ 64 short hyh_type; /* record type */ 65 }; 66 67 68 #define hyh_to hyh_uto.hyh_addr 69 #define hyh_to_port hyh_uto.hyh_baddr[1] 70 #define hyh_to_adapter hyh_uto.hyh_baddr[0] 71 72 #define hyh_from hyh_ufrom.hyh_addr 73 #define hyh_from_port hyh_ufrom.hyh_baddr[1] 74 #define hyh_from_adapter hyh_ufrom.hyh_baddr[0] 75 76 /* 77 * Structure of a HYPERchannel message header (from software) 78 */ 79 struct hym_hdr { 80 struct { 81 short hymd_mplen; /* message proper len, if associated data */ 82 } hym_d; 83 struct hy_hdr hym_h; /* hardware header, MUST BE LAST */ 84 }; 85 86 #define hym_mplen hym_d.hymd_mplen 87 88 #define hym_ctl hym_h.hyh_ctl 89 #define hym_access hym_h.hyh_access 90 #define hym_param hym_h.hyh_param 91 #define hym_type hym_h.hyh_type 92 93 #define hym_to hym_h.hyh_to 94 #define hym_to_port hym_h.hyh_to_port 95 #define hym_to_adapter hym_h.hyh_to_adapter 96 97 #define hym_from hym_h.hyh_from 98 #define hym_from_port hym_h.hyh_from_port 99 #define hym_from_adapter hym_h.hyh_from_adapter 100 101 #define HYM_SWLEN (sizeof(struct hym_hdr) - sizeof(struct hy_hdr)) 102 103 /* 104 * HYPERchannel header word control bits 105 */ 106 #define H_XTRUNKS 0x00F0 /* transmit trunks */ 107 #define H_RTRUNKS 0x000F /* remote trunks to transmit on for loopback */ 108 #define H_ASSOC 0x0100 /* has associated data */ 109 #define H_LOOPBK 0x00FF /* loopback command */ 110 #define H_RLOOPBK 0x008F /* A710 remote loopback command */ 111 112 /* 113 * Hyperchannel record types 114 */ 115 #define HYLINK_IP 0 /* Internet Protocol Packet */ 116 117 /* 118 * Routing database 119 */ 120 #define HYRSIZE 37 /* max number of adapters in routing tables */ 121 122 struct hy_route { 123 time_t hyr_lasttime; /* last update time */ 124 u_char hyr_gateway[256]; 125 struct hyr_hash { 126 u_long hyr_key; /* desired address */ 127 u_short hyr_flags; /* status flags - see below */ 128 u_short hyr_size; /* number of entries */ 129 union { 130 /* 131 * direct entry (can get there directly) 132 */ 133 struct { 134 u_short hyru_dst; /* adapter number & port */ 135 u_short hyru_ctl; /* trunks to try */ 136 u_short hyru_access; /* access code (mostly unused) */ 137 } hyr_d; 138 #define hyr_dst hyr_u.hyr_d.hyru_dst 139 #define hyr_ctl hyr_u.hyr_d.hyru_ctl 140 #define hyr_access hyr_u.hyr_d.hyru_access 141 /* 142 * indirect entry (one or more hops required) 143 */ 144 struct { 145 u_char hyru_pgate; /* 1st gateway slot */ 146 u_char hyru_egate; /* # gateways */ 147 u_char hyru_nextgate; /* gateway to use next */ 148 } hyr_i; 149 #define hyr_pgate hyr_u.hyr_i.hyru_pgate 150 #define hyr_egate hyr_u.hyr_i.hyru_egate 151 #define hyr_nextgate hyr_u.hyr_i.hyru_nextgate 152 } hyr_u; 153 } hyr_hash[HYRSIZE]; 154 }; 155 156 /* 157 * routing table set/get structure 158 * 159 * used to just pass the entire routing table through, but 4.2 ioctls 160 * limit the data part of an ioctl to 128 bytes or so and use the 161 * interface name to get things sent the right place. 162 * see ../net/if.h for additional details. 163 */ 164 struct hyrsetget { 165 char hyrsg_name[IFNAMSIZ]; /* if name, e.g. "hy0" */ 166 struct hy_route *hyrsg_ptr; /* pointer to routing table */ 167 unsigned hyrsg_len; /* size of routing table provided */ 168 }; 169 170 #define HYR_INUSE 0x01 /* entry in use */ 171 #define HYR_DIR 0x02 /* direct entry */ 172 #define HYR_GATE 0x04 /* gateway entry */ 173 #define HYR_LOOP 0x08 /* hardware loopback entry */ 174 #define HYR_RLOOP 0x10 /* remote adapter hardware loopback entry */ 175 176 #define HYRHASH(x) (((x) ^ ((x) >> 16)) % HYRSIZE) 177 178 #define HYSETROUTE _IOW('i', 0x80, struct hyrsetget) 179 #define HYGETROUTE _IOW('i', 0x81, struct hyrsetget) 180 181 struct hylsetget { 182 char hylsg_name[IFNAMSIZ]; /* if name, e.g. "hy0" */ 183 int hylsg_cmd; /* logging command */ 184 caddr_t hylsg_ptr; /* pointer to table */ 185 u_long hylsg_len; /* size of table provided */ 186 }; 187 188 #define HYSETLOG _IOW('i', 0x82, struct hylsetget) 189 #define HYGETLOG _IOW('i', 0x83, struct hylsetget) 190 #define HYGETELOG _IOW('i', 0x84, struct hylsetget) 191 192 /* 193 * Structure of Statistics Record (counters) 194 */ 195 struct hy_stat { 196 u_char hyc_df0[3]; /* # data frames trunk 0 */ 197 u_char hyc_df1[3]; /* # data frames trunk 1 */ 198 u_char hyc_df2[3]; /* # data frames trunk 2 */ 199 u_char hyc_df3[3]; /* # data frames trunk 3 */ 200 u_char hyc_cancel[2]; /* # cancel operations */ 201 u_char hyc_abort[2]; /* # aborts */ 202 u_char hyc_ret0[3]; /* # retransmissions trunk 0 */ 203 u_char hyc_ret1[3]; /* # retransmissions trunk 1 */ 204 u_char hyc_ret2[3]; /* # retransmissions trunk 2 */ 205 u_char hyc_ret3[3]; /* # retransmissions trunk 3 */ 206 u_char hyc_atype[3]; /* adapter type and revision level */ 207 u_char hyc_uaddr; /* adapter unit number */ 208 }; 209 210 /* 211 * Structure of the Status Record 212 */ 213 struct hy_status { 214 u_char hys_gen_status; /* general status byte */ 215 u_char hys_last_fcn; /* last function code issued */ 216 u_char hys_resp_trunk; /* trunk response byte */ 217 u_char hys_status_trunk; /* trunk status byte */ 218 u_char hys_recd_resp; /* recieved response byte */ 219 u_char hys_error; /* error code */ 220 u_char hys_caddr; /* compressed addr of 1st msg on chain */ 221 u_char hys_pad; /* not used */ 222 }; 223 224 /* 225 * Get port number from status record 226 */ 227 #define PORTNUM(p) (((p)->hys_gen_status >> 6) & 0x03) 228 229 #define HYL_SIZE 16*1024 230 struct hy_log { 231 struct hy_log *hyl_self; 232 u_char hyl_enable; /* logging enabled? */ 233 u_char hyl_onerr; /* state to enter on error */ 234 u_short hyl_wait; /* number of bytes till next wakeup */ 235 u_short hyl_count; /* number of samples till stop */ 236 u_short hyl_icount; /* initial value of hyl_count */ 237 u_long hyl_filter; /* log items with specific bits set */ 238 u_char *hyl_eptr; /* &hy_log.hyl_buf[HYL_SIZE] */ 239 u_char *hyl_ptr; /* pointer into hyl_buf */ 240 u_char hyl_buf[HYL_SIZE]; /* log buffer space */ 241 }; 242 243 #define HYL_NOP 0 244 #define HYL_UP 1 /* markup */ 245 #define HYL_STATUS 2 /* status results (struct hy_status) */ 246 #define HYL_STATISTICS 3 /* statistics (struct hy_stat) */ 247 #define HYL_XMIT 4 /* packed being send (struct hym_hdr) */ 248 #define HYL_RECV 5 /* recieved pkt (short len; struct hym_hdr) */ 249 #define HYL_CMD 6 /* cmd issued (uchar cmd, state; short count) */ 250 #define HYL_INT 7 /* interrupt (short csr, wcr) */ 251 #define HYL_CANCEL 8 /* cancel transmit attempt */ 252 #define HYL_RESET 9 /* hyinit or unibus reset */ 253 #define HYL_IOCTL 10 /* hyioctl */ 254 255 #define HYL_DISABLED 0 /* logging disabled */ 256 #define HYL_CONTINUOUS 1 /* continuous logging */ 257 #define HYL_CATCHN 2 /* hyl_count transactions being captured */ 258 259 /* 260 * error code histograms 261 */ 262 #define HYE_MAX 0x18 /* maximum adapter error code */ 263 #define HYE_BINS 4 /* number of command bins */ 264 #define HYE_SIZE (HYE_MAX+1)*HYE_BINS /* size of histogram buffer */ 265 266 /* 267 * Requests for service (in order by descending priority). 268 */ 269 #define RQ_ENDOP 001 /* end the last adapter function */ 270 #define RQ_REISSUE 002 /* reissue previous cmd after status */ 271 #define RQ_STATUS 004 /* get the status of the adapter */ 272 #define RQ_STATISTICS 010 /* get the statistics of the adapter */ 273 #define RQ_MARKDOWN 020 /* mark this adapter port down */ 274 #define RQ_MARKUP 040 /* mark this interface up */ 275 276 #define RQ_XASSOC 0100 /* associated data to transmit */ 277 278 /* 279 * Driver states. 280 */ 281 #define STARTUP 0 /* initial state (before fully there) */ 282 #define IDLE 1 /* idle state */ 283 #define STATSENT 2 /* status cmd sent to adapter */ 284 #define ENDOPSENT 3 /* end operation cmd sent */ 285 #define RECVSENT 4 /* input message cmd sent */ 286 #define RECVDATASENT 5 /* input data cmd sent */ 287 #define XMITSENT 6 /* transmit message cmd sent */ 288 #define XMITDATASENT 7 /* transmit data cmd sent */ 289 #define WAITING 8 /* waiting for messages */ 290 #define CLEARSENT 9 /* clear wait for message cmd sent */ 291 #define MARKPORT 10 /* mark this host's adapter port down issued */ 292 #define RSTATSENT 11 /* read statistics cmd sent to adapter */ 293 294 #ifdef HYLOG 295 char *hy_state_names[] = { 296 "Startup", 297 "Idle", 298 "Status Sent", 299 "End op Sent", 300 "Recieve Message Proper Sent", 301 "Recieve Data Sent", 302 "Transmit Message Proper Sent", 303 "Transmit Data Sent", 304 "Wait for Message Sent", 305 "Clear Wait for Message Sent", 306 "Mark Port Down Sent", 307 "Read Statistics Sent" 308 }; 309 #endif 310 311