1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /****************************************************************************** 3 * 4 * (C)Copyright 1998,1999 SysKonnect, 5 * a business unit of Schneider & Koch & Co. Datensysteme GmbH. 6 * 7 * The information in this file is provided "AS IS" without warranty. 8 * 9 ******************************************************************************/ 10 11 #ifndef _SCMECM_ 12 #define _SCMECM_ 13 14 #if defined(PCI) && !defined(OSDEF) 15 /* 16 * In the case of the PCI bus the file osdef1st.h must be present 17 */ 18 #define OSDEF 19 #endif 20 21 #ifdef PCI 22 #ifndef SUPERNET_3 23 #define SUPERNET_3 24 #endif 25 #ifndef TAG_MODE 26 #define TAG_MODE 27 #endif 28 #endif 29 30 /* 31 * include all other files in required order 32 * the following files must have been included before: 33 * types.h 34 * fddi.h 35 */ 36 #ifdef OSDEF 37 #include "osdef1st.h" 38 #endif /* OSDEF */ 39 #ifdef OEM_CONCEPT 40 #include "oemdef.h" 41 #endif /* OEM_CONCEPT */ 42 #include "smt.h" 43 #include "cmtdef.h" 44 #include "fddimib.h" 45 #include "targethw.h" /* all target hw dependencies */ 46 #include "targetos.h" /* all target os dependencies */ 47 #ifdef ESS 48 #include "sba.h" 49 #endif 50 51 /* 52 * Event Queue 53 * queue.c 54 * events are class/value pairs 55 * class is addressee, e.g. RMT, PCM etc. 56 * value is command, e.g. line state change, ring op change etc. 57 */ 58 struct event_queue { 59 u_short class ; /* event class */ 60 u_short event ; /* event value */ 61 } ; 62 63 /* 64 * define event queue as circular buffer 65 */ 66 #ifdef CONCENTRATOR 67 #define MAX_EVENT 128 68 #else /* nCONCENTRATOR */ 69 #define MAX_EVENT 64 70 #endif /* nCONCENTRATOR */ 71 72 struct s_queue { 73 74 struct event_queue ev_queue[MAX_EVENT]; 75 struct event_queue *ev_put ; 76 struct event_queue *ev_get ; 77 } ; 78 79 /* 80 * ECM - Entity Coordination Management 81 * ecm.c 82 */ 83 struct s_ecm { 84 u_char path_test ; /* ECM path test variable */ 85 u_char sb_flag ; /* ECM stuck bypass */ 86 u_char DisconnectFlag ; /* jd 05-Aug-1999 Bug #10419 87 * ECM disconnected */ 88 u_char ecm_line_state ; /* flag to dispatcher : line states */ 89 u_long trace_prop ; /* ECM Trace_Prop flag >= 16 bits !! */ 90 /* NUMPHYS note: 91 * this variable must have enough bits to hold all entiies in 92 * the station. So NUMPHYS may not be greater than 31. 93 */ 94 char ec_pad[2] ; 95 struct smt_timer ecm_timer ; /* timer */ 96 } ; 97 98 99 /* 100 * RMT - Ring Management 101 * rmt.c 102 */ 103 struct s_rmt { 104 u_char dup_addr_test ; /* state of dupl. addr. test */ 105 u_char da_flag ; /* flag : duplicate address det. */ 106 u_char loop_avail ; /* flag : MAC available for loopback */ 107 u_char sm_ma_avail ; /* flag : MAC available for SMT */ 108 u_char no_flag ; /* flag : ring not operational */ 109 u_char bn_flag ; /* flag : MAC reached beacon state */ 110 u_char jm_flag ; /* flag : jamming in NON_OP_DUP */ 111 u_char rm_join ; /* CFM flag RM_Join */ 112 u_char rm_loop ; /* CFM flag RM_Loop */ 113 114 long fast_rm_join ; /* bit mask of active ports */ 115 /* 116 * timer and flags 117 */ 118 struct smt_timer rmt_timer0 ; /* timer 0 */ 119 struct smt_timer rmt_timer1 ; /* timer 1 */ 120 struct smt_timer rmt_timer2 ; /* timer 2 */ 121 u_char timer0_exp ; /* flag : timer 0 expired */ 122 u_char timer1_exp ; /* flag : timer 1 expired */ 123 u_char timer2_exp ; /* flag : timer 2 expired */ 124 125 u_char rm_pad1; 126 } ; 127 128 /* 129 * CFM - Configuration Management 130 * cfm.c 131 * used for SAS and DAS 132 */ 133 struct s_cfm { 134 u_char cf_state; /* CFM state machine current state */ 135 u_char cf_pad[3] ; 136 } ; 137 138 /* 139 * CEM - Configuration Element Management 140 * cem.c 141 * used for Concentrator 142 */ 143 #ifdef CONCENTRATOR 144 struct s_cem { 145 int ce_state ; /* CEM state */ 146 int ce_port ; /* PA PB PM PM+1 .. */ 147 int ce_type ; /* TA TB TS TM */ 148 } ; 149 150 /* 151 * linked list of CCEs in current token path 152 */ 153 struct s_c_ring { 154 struct s_c_ring *c_next ; 155 char c_entity ; 156 } ; 157 158 struct mib_path_config { 159 u_long fddimibPATHConfigSMTIndex; 160 u_long fddimibPATHConfigPATHIndex; 161 u_long fddimibPATHConfigTokenOrder; 162 u_long fddimibPATHConfigResourceType; 163 #define SNMP_RES_TYPE_MAC 2 /* Resource is a MAC */ 164 #define SNMP_RES_TYPE_PORT 4 /* Resource is a PORT */ 165 u_long fddimibPATHConfigResourceIndex; 166 u_long fddimibPATHConfigCurrentPath; 167 #define SNMP_PATH_ISOLATED 1 /* Current path is isolated */ 168 #define SNMP_PATH_LOCAL 2 /* Current path is local */ 169 #define SNMP_PATH_SECONDARY 3 /* Current path is secondary */ 170 #define SNMP_PATH_PRIMARY 4 /* Current path is primary */ 171 #define SNMP_PATH_CONCATENATED 5 /* Current path is concatenated */ 172 #define SNMP_PATH_THRU 6 /* Current path is thru */ 173 }; 174 175 176 #endif 177 178 /* 179 * PCM connect states 180 */ 181 #define PCM_DISABLED 0 182 #define PCM_CONNECTING 1 183 #define PCM_STANDBY 2 184 #define PCM_ACTIVE 3 185 186 struct s_pcm { 187 u_char pcm_pad[3] ; 188 } ; 189 190 /* 191 * PHY struct 192 * one per physical port 193 */ 194 struct s_phy { 195 /* Inter Module Globals */ 196 struct fddi_mib_p *mib ; 197 198 u_char np ; /* index 0 .. NUMPHYS */ 199 u_char cf_join ; 200 u_char cf_loop ; 201 u_char wc_flag ; /* withhold connection flag */ 202 u_char pc_mode ; /* Holds the negotiated mode of the PCM */ 203 u_char pc_lem_fail ; /* flag : LCT failed */ 204 u_char lc_test ; 205 u_char scrub ; /* CFM flag Scrub -> PCM */ 206 char phy_name ; 207 u_char pmd_type[2] ; /* SK connector/transceiver type codes */ 208 #define PMD_SK_CONN 0 /* pmd_type[PMD_SK_CONN] = Connector */ 209 #define PMD_SK_PMD 1 /* pmd_type[PMD_SK_PMD] = Xver */ 210 u_char pmd_scramble ; /* scrambler on/off */ 211 212 /* inner Module Globals */ 213 u_char curr_ls ; /* current line state */ 214 u_char ls_flag ; 215 u_char rc_flag ; 216 u_char tc_flag ; 217 u_char td_flag ; 218 u_char bitn ; 219 u_char tr_flag ; /* trace recvd while in active */ 220 u_char twisted ; /* flag to indicate an A-A or B-B connection */ 221 u_char t_val[NUMBITS] ; /* transmit bits for signaling */ 222 u_char r_val[NUMBITS] ; /* receive bits for signaling */ 223 u_long t_next[NUMBITS] ; 224 struct smt_timer pcm_timer0 ; 225 struct smt_timer pcm_timer1 ; 226 struct smt_timer pcm_timer2 ; 227 u_char timer0_exp ; 228 u_char timer1_exp ; 229 u_char timer2_exp ; 230 u_char pcm_pad1[1] ; 231 int cem_pst ; /* CEM private state; used for dual homing */ 232 struct lem_counter lem ; 233 #ifdef AMDPLC 234 struct s_plc plc ; 235 #endif 236 } ; 237 238 /* 239 * timer package 240 * smttimer.c 241 */ 242 struct s_timer { 243 struct smt_timer *st_queue ; 244 struct smt_timer st_fast ; 245 } ; 246 247 /* 248 * SRF types and data 249 */ 250 #define SMT_EVENT_BASE 1 251 #define SMT_EVENT_MAC_PATH_CHANGE (SMT_EVENT_BASE+0) 252 #define SMT_EVENT_MAC_NEIGHBOR_CHANGE (SMT_EVENT_BASE+1) 253 #define SMT_EVENT_PORT_PATH_CHANGE (SMT_EVENT_BASE+2) 254 #define SMT_EVENT_PORT_CONNECTION (SMT_EVENT_BASE+3) 255 256 #define SMT_IS_CONDITION(x) ((x)>=SMT_COND_BASE) 257 258 #define SMT_COND_BASE (SMT_EVENT_PORT_CONNECTION+1) 259 #define SMT_COND_SMT_PEER_WRAP (SMT_COND_BASE+0) 260 #define SMT_COND_SMT_HOLD (SMT_COND_BASE+1) 261 #define SMT_COND_MAC_FRAME_ERROR (SMT_COND_BASE+2) 262 #define SMT_COND_MAC_DUP_ADDR (SMT_COND_BASE+3) 263 #define SMT_COND_MAC_NOT_COPIED (SMT_COND_BASE+4) 264 #define SMT_COND_PORT_EB_ERROR (SMT_COND_BASE+5) 265 #define SMT_COND_PORT_LER (SMT_COND_BASE+6) 266 267 #define SR0_WAIT 0 268 #define SR1_HOLDOFF 1 269 #define SR2_DISABLED 2 270 271 struct s_srf { 272 u_long SRThreshold ; /* threshold value */ 273 u_char RT_Flag ; /* report transmitted flag */ 274 u_char sr_state ; /* state-machine */ 275 u_char any_report ; /* any report required */ 276 u_long TSR ; /* timer */ 277 u_short ring_status ; /* IBM ring status */ 278 } ; 279 280 /* 281 * IBM token ring status 282 */ 283 #define RS_RES15 (1<<15) /* reserved */ 284 #define RS_HARDERROR (1<<14) /* ring down */ 285 #define RS_SOFTERROR (1<<13) /* sent SRF */ 286 #define RS_BEACON (1<<12) /* transmitted beacon */ 287 #define RS_PATHTEST (1<<11) /* path test failed */ 288 #define RS_SELFTEST (1<<10) /* selftest required */ 289 #define RS_RES9 (1<< 9) /* reserved */ 290 #define RS_DISCONNECT (1<< 8) /* remote disconnect */ 291 #define RS_RES7 (1<< 7) /* reserved */ 292 #define RS_DUPADDR (1<< 6) /* duplicate address */ 293 #define RS_NORINGOP (1<< 5) /* no ring op */ 294 #define RS_VERSION (1<< 4) /* SMT version mismatch */ 295 #define RS_STUCKBYPASSS (1<< 3) /* stuck bypass */ 296 #define RS_EVENT (1<< 2) /* FDDI event occurred */ 297 #define RS_RINGOPCHANGE (1<< 1) /* ring op changed */ 298 #define RS_RES0 (1<< 0) /* reserved */ 299 300 #define RS_SET(smc,bit) \ 301 ring_status_indication(smc,smc->srf.ring_status |= bit) 302 #define RS_CLEAR(smc,bit) \ 303 ring_status_indication(smc,smc->srf.ring_status &= ~bit) 304 305 #define RS_CLEAR_EVENT (0xffff & ~(RS_NORINGOP)) 306 307 /* Define the AIX-event-Notification as null function if it isn't defined */ 308 /* in the targetos.h file */ 309 #ifndef AIX_EVENT 310 #define AIX_EVENT(smc,opt0,opt1,opt2,opt3) /* nothing */ 311 #endif 312 313 struct s_srf_evc { 314 u_char evc_code ; /* event code type */ 315 u_char evc_index ; /* index for mult. instances */ 316 u_char evc_rep_required ; /* report required */ 317 u_short evc_para ; /* SMT Para Number */ 318 u_char *evc_cond_state ; /* condition state */ 319 u_char *evc_multiple ; /* multiple occurrence */ 320 } ; 321 322 /* 323 * Values used by frame based services 324 * smt.c 325 */ 326 #define SMT_MAX_TEST 5 327 #define SMT_TID_NIF 0 /* pending NIF request */ 328 #define SMT_TID_NIF_TEST 1 /* pending NIF test */ 329 #define SMT_TID_ECF_UNA 2 /* pending ECF UNA test */ 330 #define SMT_TID_ECF_DNA 3 /* pending ECF DNA test */ 331 #define SMT_TID_ECF 4 /* pending ECF test */ 332 333 struct smt_values { 334 u_long smt_tvu ; /* timer valid una */ 335 u_long smt_tvd ; /* timer valid dna */ 336 u_long smt_tid ; /* transaction id */ 337 u_long pend[SMT_MAX_TEST] ; /* TID of requests */ 338 u_long uniq_time ; /* unique time stamp */ 339 u_short uniq_ticks ; /* unique time stamp */ 340 u_short please_reconnect ; /* flag : reconnect */ 341 u_long smt_last_lem ; 342 u_long smt_last_notify ; 343 struct smt_timer smt_timer ; /* SMT NIF timer */ 344 u_long last_tok_time[NUMMACS]; /* token cnt emulation */ 345 } ; 346 347 /* 348 * SMT/CMT configurable parameters 349 */ 350 #define SMT_DAS 0 /* dual attach */ 351 #define SMT_SAS 1 /* single attach */ 352 #define SMT_NAC 2 /* null attach concentrator */ 353 354 struct smt_config { 355 u_char attach_s ; /* CFM attach to secondary path */ 356 u_char sas ; /* SMT_DAS/SAS/NAC */ 357 u_char build_ring_map ; /* build ringmap if TRUE */ 358 u_char numphys ; /* number of active phys */ 359 u_char sc_pad[1] ; 360 361 u_long pcm_tb_min ; /* PCM : TB_Min timer value */ 362 u_long pcm_tb_max ; /* PCM : TB_Max timer value */ 363 u_long pcm_c_min ; /* PCM : C_Min timer value */ 364 u_long pcm_t_out ; /* PCM : T_Out timer value */ 365 u_long pcm_tl_min ; /* PCM : TL_min timer value */ 366 u_long pcm_lc_short ; /* PCM : LC_Short timer value */ 367 u_long pcm_lc_medium ; /* PCM : LC_Medium timer value */ 368 u_long pcm_lc_long ; /* PCM : LC_Long timer value */ 369 u_long pcm_lc_extended ; /* PCM : LC_Extended timer value */ 370 u_long pcm_t_next_9 ; /* PCM : T_Next[9] timer value */ 371 u_long pcm_ns_max ; /* PCM : NS_Max timer value */ 372 373 u_long ecm_i_max ; /* ECM : I_Max timer value */ 374 u_long ecm_in_max ; /* ECM : IN_Max timer value */ 375 u_long ecm_td_min ; /* ECM : TD_Min timer */ 376 u_long ecm_test_done ; /* ECM : path test done timer */ 377 u_long ecm_check_poll ; /* ECM : check bypass poller */ 378 379 u_long rmt_t_non_op ; /* RMT : T_Non_OP timer value */ 380 u_long rmt_t_stuck ; /* RMT : T_Stuck timer value */ 381 u_long rmt_t_direct ; /* RMT : T_Direct timer value */ 382 u_long rmt_t_jam ; /* RMT : T_Jam timer value */ 383 u_long rmt_t_announce ; /* RMT : T_Announce timer value */ 384 u_long rmt_t_poll ; /* RMT : claim/beacon poller */ 385 u_long rmt_dup_mac_behavior ; /* Flag for the beavior of SMT if 386 * a Duplicate MAC Address was detected. 387 * FALSE: SMT will leave finally the ring 388 * TRUE: SMT will reinstert into the ring 389 */ 390 u_long mac_d_max ; /* MAC : D_Max timer value */ 391 392 u_long lct_short ; /* LCT : error threshold */ 393 u_long lct_medium ; /* LCT : error threshold */ 394 u_long lct_long ; /* LCT : error threshold */ 395 u_long lct_extended ; /* LCT : error threshold */ 396 } ; 397 398 #ifdef DEBUG 399 /* 400 * Debugging struct sometimes used in smc 401 */ 402 struct smt_debug { 403 int d_smtf ; 404 int d_smt ; 405 int d_ecm ; 406 int d_rmt ; 407 int d_cfm ; 408 int d_pcm ; 409 int d_plc ; 410 #ifdef ESS 411 int d_ess ; 412 #endif 413 #ifdef SBA 414 int d_sba ; 415 #endif 416 struct os_debug d_os; /* Include specific OS DEBUG struct */ 417 } ; 418 419 #ifndef DEBUG_BRD 420 /* all boards shall be debugged with one debug struct */ 421 extern struct smt_debug debug; /* Declaration of debug struct */ 422 #endif /* DEBUG_BRD */ 423 424 #endif /* DEBUG */ 425 426 /* 427 * the SMT Context Struct SMC 428 * this struct contains ALL global variables of SMT 429 */ 430 struct s_smc { 431 struct s_smt_os os ; /* os specific */ 432 struct s_smt_hw hw ; /* hardware */ 433 434 /* 435 * NOTE: os and hw MUST BE the first two structs 436 * anything beyond hw WILL BE SET TO ZERO in smt_set_defaults() 437 */ 438 struct smt_config s ; /* smt constants */ 439 struct smt_values sm ; /* smt variables */ 440 struct s_ecm e ; /* ecm */ 441 struct s_rmt r ; /* rmt */ 442 struct s_cfm cf ; /* cfm/cem */ 443 #ifdef CONCENTRATOR 444 struct s_cem ce[NUMPHYS] ; /* cem */ 445 struct s_c_ring cr[NUMPHYS+NUMMACS] ; 446 #endif 447 struct s_pcm p ; /* pcm */ 448 struct s_phy y[NUMPHYS] ; /* phy */ 449 struct s_queue q ; /* queue */ 450 struct s_timer t ; /* timer */ 451 struct s_srf srf ; /* SRF */ 452 struct s_srf_evc evcs[6+NUMPHYS*4] ; 453 struct fddi_mib mib ; /* __THE_MIB__ */ 454 #ifdef SBA 455 struct s_sba sba ; /* SBA variables */ 456 #endif 457 #ifdef ESS 458 struct s_ess ess ; /* Ess variables */ 459 #endif 460 #if defined(DEBUG) && defined(DEBUG_BRD) 461 /* If you want all single board to be debugged separately */ 462 struct smt_debug debug; /* Declaration of debug struct */ 463 #endif /* DEBUG_BRD && DEBUG */ 464 } ; 465 466 extern const struct fddi_addr fddi_broadcast; 467 468 void all_selection_criteria(struct s_smc *smc); 469 void card_stop(struct s_smc *smc); 470 void init_board(struct s_smc *smc, u_char *mac_addr); 471 int init_fplus(struct s_smc *smc); 472 void init_plc(struct s_smc *smc); 473 int init_smt(struct s_smc *smc, u_char *mac_addr); 474 void mac1_irq(struct s_smc *smc, u_short stu, u_short stl); 475 void mac2_irq(struct s_smc *smc, u_short code_s2u, u_short code_s2l); 476 void mac3_irq(struct s_smc *smc, u_short code_s3u, u_short code_s3l); 477 int pcm_status_twisted(struct s_smc *smc); 478 void plc1_irq(struct s_smc *smc); 479 void plc2_irq(struct s_smc *smc); 480 void read_address(struct s_smc *smc, u_char *mac_addr); 481 void timer_irq(struct s_smc *smc); 482 483 #endif /* _SCMECM_ */ 484 485