1/* 2 * Misc useful os-independent macros and functions. 3 * 4 * Copyright (C) 1999-2013, Broadcom Corporation 5 * 6 * Permission to use, copy, modify, and/or distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 13 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 15 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 16 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 * 18 * $Id: bcmutils.h 382763 2013-02-04 10:21:08Z $ 19 */ 20 21#ifndef _bcmutils_h_ 22#define _bcmutils_h_ 23 24#define bcm_strcpy_s(dst, noOfElements, src) strcpy((dst), (src)) 25#define bcm_strncpy_s(dst, noOfElements, src, count) strncpy((dst), (src), (count)) 26#define bcm_strcat_s(dst, noOfElements, src) strcat((dst), (src)) 27 28#ifdef __cplusplus 29extern "C" { 30#endif 31 32#ifdef PKTQ_LOG 33#include <wlioctl.h> 34#endif 35 36/* ctype replacement */ 37#define _BCM_U 0x01 /* upper */ 38#define _BCM_L 0x02 /* lower */ 39#define _BCM_D 0x04 /* digit */ 40#define _BCM_C 0x08 /* cntrl */ 41#define _BCM_P 0x10 /* punct */ 42#define _BCM_S 0x20 /* white space (space/lf/tab) */ 43#define _BCM_X 0x40 /* hex digit */ 44#define _BCM_SP 0x80 /* hard space (0x20) */ 45 46extern const unsigned char bcm_ctype[]; 47#define bcm_ismask(x) (bcm_ctype[(int)(unsigned char)(x)]) 48 49#define bcm_isalnum(c) ((bcm_ismask(c)&(_BCM_U|_BCM_L|_BCM_D)) != 0) 50#define bcm_isalpha(c) ((bcm_ismask(c)&(_BCM_U|_BCM_L)) != 0) 51#define bcm_iscntrl(c) ((bcm_ismask(c)&(_BCM_C)) != 0) 52#define bcm_isdigit(c) ((bcm_ismask(c)&(_BCM_D)) != 0) 53#define bcm_isgraph(c) ((bcm_ismask(c)&(_BCM_P|_BCM_U|_BCM_L|_BCM_D)) != 0) 54#define bcm_islower(c) ((bcm_ismask(c)&(_BCM_L)) != 0) 55#define bcm_isprint(c) ((bcm_ismask(c)&(_BCM_P|_BCM_U|_BCM_L|_BCM_D|_BCM_SP)) != 0) 56#define bcm_ispunct(c) ((bcm_ismask(c)&(_BCM_P)) != 0) 57#define bcm_isspace(c) ((bcm_ismask(c)&(_BCM_S)) != 0) 58#define bcm_isupper(c) ((bcm_ismask(c)&(_BCM_U)) != 0) 59#define bcm_isxdigit(c) ((bcm_ismask(c)&(_BCM_D|_BCM_X)) != 0) 60#define bcm_tolower(c) (bcm_isupper((c)) ? ((c) + 'a' - 'A') : (c)) 61#define bcm_toupper(c) (bcm_islower((c)) ? ((c) + 'A' - 'a') : (c)) 62 63/* Buffer structure for collecting string-formatted data 64* using bcm_bprintf() API. 65* Use bcm_binit() to initialize before use 66*/ 67 68struct bcmstrbuf { 69 char *buf; /* pointer to current position in origbuf */ 70 unsigned int size; /* current (residual) size in bytes */ 71 char *origbuf; /* unmodified pointer to orignal buffer */ 72 unsigned int origsize; /* unmodified orignal buffer size in bytes */ 73}; 74 75/* ** driver-only section ** */ 76#ifdef BCMDRIVER 77#include <osl.h> 78 79#define GPIO_PIN_NOTDEFINED 0x20 /* Pin not defined */ 80 81/* 82 * Spin at most 'us' microseconds while 'exp' is true. 83 * Caller should explicitly test 'exp' when this completes 84 * and take appropriate error action if 'exp' is still true. 85 */ 86#define SPINWAIT(exp, us) { \ 87 uint countdown = (us) + 9; \ 88 while ((exp) && (countdown >= 10)) {\ 89 OSL_DELAY(10); \ 90 countdown -= 10; \ 91 } \ 92} 93 94/* osl multi-precedence packet queue */ 95#ifndef PKTQ_LEN_DEFAULT 96#define PKTQ_LEN_DEFAULT 128 /* Max 128 packets */ 97#endif 98#ifndef PKTQ_MAX_PREC 99#define PKTQ_MAX_PREC 16 /* Maximum precedence levels */ 100#endif 101 102typedef struct pktq_prec { 103 void *head; /* first packet to dequeue */ 104 void *tail; /* last packet to dequeue */ 105 uint16 len; /* number of queued packets */ 106 uint16 max; /* maximum number of queued packets */ 107} pktq_prec_t; 108 109#ifdef PKTQ_LOG 110typedef struct { 111 uint32 requested; /* packets requested to be stored */ 112 uint32 stored; /* packets stored */ 113 uint32 saved; /* packets saved, 114 because a lowest priority queue has given away one packet 115 */ 116 uint32 selfsaved; /* packets saved, 117 because an older packet from the same queue has been dropped 118 */ 119 uint32 full_dropped; /* packets dropped, 120 because pktq is full with higher precedence packets 121 */ 122 uint32 dropped; /* packets dropped because pktq per that precedence is full */ 123 uint32 sacrificed; /* packets dropped, 124 in order to save one from a queue of a highest priority 125 */ 126 uint32 busy; /* packets droped because of hardware/transmission error */ 127 uint32 retry; /* packets re-sent because they were not received */ 128 uint32 ps_retry; /* packets retried again prior to moving power save mode */ 129 uint32 retry_drop; /* packets finally dropped after retry limit */ 130 uint32 max_avail; /* the high-water mark of the queue capacity for packets - 131 goes to zero as queue fills 132 */ 133 uint32 max_used; /* the high-water mark of the queue utilisation for packets - 134 increases with use ('inverse' of max_avail) 135 */ 136 uint32 queue_capacity; /* the maximum capacity of the queue */ 137 uint32 rtsfail; /* count of rts attempts that failed to receive cts */ 138 uint32 acked; /* count of packets sent (acked) successfully */ 139} pktq_counters_t; 140#endif /* PKTQ_LOG */ 141 142 143#define PKTQ_COMMON \ 144 uint16 num_prec; /* number of precedences in use */ \ 145 uint16 hi_prec; /* rapid dequeue hint (>= highest non-empty prec) */ \ 146 uint16 max; /* total max packets */ \ 147 uint16 len; /* total number of packets */ 148 149/* multi-priority pkt queue */ 150struct pktq { 151 PKTQ_COMMON 152 /* q array must be last since # of elements can be either PKTQ_MAX_PREC or 1 */ 153 struct pktq_prec q[PKTQ_MAX_PREC]; 154#ifdef PKTQ_LOG 155 pktq_counters_t _prec_cnt[PKTQ_MAX_PREC]; /* Counters per queue */ 156 pktq_counters_t _prec_bytes[PKTQ_MAX_PREC]; /* Byte count per queue */ 157 uint32 _logtime; /* timestamp of last counter clear */ 158#endif 159}; 160 161/* simple, non-priority pkt queue */ 162struct spktq { 163 PKTQ_COMMON 164 /* q array must be last since # of elements can be either PKTQ_MAX_PREC or 1 */ 165 struct pktq_prec q[1]; 166}; 167 168#define PKTQ_PREC_ITER(pq, prec) for (prec = (pq)->num_prec - 1; prec >= 0; prec--) 169 170/* fn(pkt, arg). return true if pkt belongs to if */ 171typedef bool (*ifpkt_cb_t)(void*, int); 172 173#ifdef BCMPKTPOOL 174#define POOL_ENAB(pool) ((pool) && (pool)->inited) 175#define SHARED_POOL (pktpool_shared) 176#else /* BCMPKTPOOL */ 177#define POOL_ENAB(bus) 0 178#define SHARED_POOL ((struct pktpool *)NULL) 179#endif /* BCMPKTPOOL */ 180 181#ifndef PKTPOOL_LEN_MAX 182#define PKTPOOL_LEN_MAX 40 183#endif /* PKTPOOL_LEN_MAX */ 184#define PKTPOOL_CB_MAX 3 185 186struct pktpool; 187typedef void (*pktpool_cb_t)(struct pktpool *pool, void *arg); 188typedef struct { 189 pktpool_cb_t cb; 190 void *arg; 191} pktpool_cbinfo_t; 192 193#ifdef BCMDBG_POOL 194/* pkt pool debug states */ 195#define POOL_IDLE 0 196#define POOL_RXFILL 1 197#define POOL_RXDH 2 198#define POOL_RXD11 3 199#define POOL_TXDH 4 200#define POOL_TXD11 5 201#define POOL_AMPDU 6 202#define POOL_TXENQ 7 203 204typedef struct { 205 void *p; 206 uint32 cycles; 207 uint32 dur; 208} pktpool_dbg_t; 209 210typedef struct { 211 uint8 txdh; /* tx to host */ 212 uint8 txd11; /* tx to d11 */ 213 uint8 enq; /* waiting in q */ 214 uint8 rxdh; /* rx from host */ 215 uint8 rxd11; /* rx from d11 */ 216 uint8 rxfill; /* dma_rxfill */ 217 uint8 idle; /* avail in pool */ 218} pktpool_stats_t; 219#endif /* BCMDBG_POOL */ 220 221typedef struct pktpool { 222 bool inited; 223 uint16 r; 224 uint16 w; 225 uint16 len; 226 uint16 maxlen; 227 uint16 plen; 228 bool istx; 229 bool empty; 230 uint8 cbtoggle; 231 uint8 cbcnt; 232 uint8 ecbcnt; 233 bool emptycb_disable; 234 pktpool_cbinfo_t *availcb_excl; 235 pktpool_cbinfo_t cbs[PKTPOOL_CB_MAX]; 236 pktpool_cbinfo_t ecbs[PKTPOOL_CB_MAX]; 237 void *q[PKTPOOL_LEN_MAX + 1]; 238 239#ifdef BCMDBG_POOL 240 uint8 dbg_cbcnt; 241 pktpool_cbinfo_t dbg_cbs[PKTPOOL_CB_MAX]; 242 uint16 dbg_qlen; 243 pktpool_dbg_t dbg_q[PKTPOOL_LEN_MAX + 1]; 244#endif 245} pktpool_t; 246 247extern pktpool_t *pktpool_shared; 248 249extern int pktpool_init(osl_t *osh, pktpool_t *pktp, int *pktplen, int plen, bool istx); 250extern int pktpool_deinit(osl_t *osh, pktpool_t *pktp); 251extern int pktpool_fill(osl_t *osh, pktpool_t *pktp, bool minimal); 252extern void* pktpool_get(pktpool_t *pktp); 253extern void pktpool_free(pktpool_t *pktp, void *p); 254extern int pktpool_add(pktpool_t *pktp, void *p); 255extern uint16 pktpool_avail(pktpool_t *pktp); 256extern int pktpool_avail_notify_normal(osl_t *osh, pktpool_t *pktp); 257extern int pktpool_avail_notify_exclusive(osl_t *osh, pktpool_t *pktp, pktpool_cb_t cb); 258extern int pktpool_avail_register(pktpool_t *pktp, pktpool_cb_t cb, void *arg); 259extern int pktpool_empty_register(pktpool_t *pktp, pktpool_cb_t cb, void *arg); 260extern int pktpool_setmaxlen(pktpool_t *pktp, uint16 maxlen); 261extern int pktpool_setmaxlen_strict(osl_t *osh, pktpool_t *pktp, uint16 maxlen); 262extern void pktpool_emptycb_disable(pktpool_t *pktp, bool disable); 263extern bool pktpool_emptycb_disabled(pktpool_t *pktp); 264 265#define POOLPTR(pp) ((pktpool_t *)(pp)) 266#define pktpool_len(pp) (POOLPTR(pp)->len - 1) 267#define pktpool_plen(pp) (POOLPTR(pp)->plen) 268#define pktpool_maxlen(pp) (POOLPTR(pp)->maxlen) 269 270#ifdef BCMDBG_POOL 271extern int pktpool_dbg_register(pktpool_t *pktp, pktpool_cb_t cb, void *arg); 272extern int pktpool_start_trigger(pktpool_t *pktp, void *p); 273extern int pktpool_dbg_dump(pktpool_t *pktp); 274extern int pktpool_dbg_notify(pktpool_t *pktp); 275extern int pktpool_stats_dump(pktpool_t *pktp, pktpool_stats_t *stats); 276#endif /* BCMDBG_POOL */ 277 278/* forward definition of ether_addr structure used by some function prototypes */ 279 280struct ether_addr; 281 282extern int ether_isbcast(const void *ea); 283extern int ether_isnulladdr(const void *ea); 284 285/* operations on a specific precedence in packet queue */ 286 287#define pktq_psetmax(pq, prec, _max) ((pq)->q[prec].max = (_max)) 288#define pktq_pmax(pq, prec) ((pq)->q[prec].max) 289#define pktq_plen(pq, prec) ((pq)->q[prec].len) 290#define pktq_pavail(pq, prec) ((pq)->q[prec].max - (pq)->q[prec].len) 291#define pktq_pfull(pq, prec) ((pq)->q[prec].len >= (pq)->q[prec].max) 292#define pktq_pempty(pq, prec) ((pq)->q[prec].len == 0) 293 294#define pktq_ppeek(pq, prec) ((pq)->q[prec].head) 295#define pktq_ppeek_tail(pq, prec) ((pq)->q[prec].tail) 296 297extern void *pktq_penq(struct pktq *pq, int prec, void *p); 298extern void *pktq_penq_head(struct pktq *pq, int prec, void *p); 299extern void *pktq_pdeq(struct pktq *pq, int prec); 300extern void *pktq_pdeq_prev(struct pktq *pq, int prec, void *prev_p); 301extern void *pktq_pdeq_with_fn(struct pktq *pq, int prec, ifpkt_cb_t fn, int arg); 302extern void *pktq_pdeq_tail(struct pktq *pq, int prec); 303/* Empty the queue at particular precedence level */ 304extern void pktq_pflush(osl_t *osh, struct pktq *pq, int prec, bool dir, 305 ifpkt_cb_t fn, int arg); 306/* Remove a specified packet from its queue */ 307extern bool pktq_pdel(struct pktq *pq, void *p, int prec); 308 309/* operations on a set of precedences in packet queue */ 310 311extern int pktq_mlen(struct pktq *pq, uint prec_bmp); 312extern void *pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out); 313extern void *pktq_mpeek(struct pktq *pq, uint prec_bmp, int *prec_out); 314 315/* operations on packet queue as a whole */ 316 317#define pktq_len(pq) ((int)(pq)->len) 318#define pktq_max(pq) ((int)(pq)->max) 319#define pktq_avail(pq) ((int)((pq)->max - (pq)->len)) 320#define pktq_full(pq) ((pq)->len >= (pq)->max) 321#define pktq_empty(pq) ((pq)->len == 0) 322 323/* operations for single precedence queues */ 324#define pktenq(pq, p) pktq_penq(((struct pktq *)(void *)pq), 0, (p)) 325#define pktenq_head(pq, p) pktq_penq_head(((struct pktq *)(void *)pq), 0, (p)) 326#define pktdeq(pq) pktq_pdeq(((struct pktq *)(void *)pq), 0) 327#define pktdeq_tail(pq) pktq_pdeq_tail(((struct pktq *)(void *)pq), 0) 328#define pktqinit(pq, len) pktq_init(((struct pktq *)(void *)pq), 1, len) 329 330extern void pktq_init(struct pktq *pq, int num_prec, int max_len); 331extern void pktq_set_max_plen(struct pktq *pq, int prec, int max_len); 332 333/* prec_out may be NULL if caller is not interested in return value */ 334extern void *pktq_deq(struct pktq *pq, int *prec_out); 335extern void *pktq_deq_tail(struct pktq *pq, int *prec_out); 336extern void *pktq_peek(struct pktq *pq, int *prec_out); 337extern void *pktq_peek_tail(struct pktq *pq, int *prec_out); 338extern void pktq_flush(osl_t *osh, struct pktq *pq, bool dir, ifpkt_cb_t fn, int arg); 339 340/* externs */ 341/* packet */ 342extern uint pktcopy(osl_t *osh, void *p, uint offset, int len, uchar *buf); 343extern uint pktfrombuf(osl_t *osh, void *p, uint offset, int len, uchar *buf); 344extern uint pkttotlen(osl_t *osh, void *p); 345extern void *pktlast(osl_t *osh, void *p); 346extern uint pktsegcnt(osl_t *osh, void *p); 347extern uint pktsegcnt_war(osl_t *osh, void *p); 348extern uint8 *pktdataoffset(osl_t *osh, void *p, uint offset); 349extern void *pktoffset(osl_t *osh, void *p, uint offset); 350 351/* Get priority from a packet and pass it back in scb (or equiv) */ 352#define PKTPRIO_VDSCP 0x100 /* DSCP prio found after VLAN tag */ 353#define PKTPRIO_VLAN 0x200 /* VLAN prio found */ 354#define PKTPRIO_UPD 0x400 /* DSCP used to update VLAN prio */ 355#define PKTPRIO_DSCP 0x800 /* DSCP prio found */ 356 357extern uint pktsetprio(void *pkt, bool update_vtag); 358 359/* string */ 360extern int bcm_atoi(const char *s); 361extern ulong bcm_strtoul(const char *cp, char **endp, uint base); 362extern char *bcmstrstr(const char *haystack, const char *needle); 363extern char *bcmstrcat(char *dest, const char *src); 364extern char *bcmstrncat(char *dest, const char *src, uint size); 365extern ulong wchar2ascii(char *abuf, ushort *wbuf, ushort wbuflen, ulong abuflen); 366char* bcmstrtok(char **string, const char *delimiters, char *tokdelim); 367int bcmstricmp(const char *s1, const char *s2); 368int bcmstrnicmp(const char* s1, const char* s2, int cnt); 369 370 371/* ethernet address */ 372extern char *bcm_ether_ntoa(const struct ether_addr *ea, char *buf); 373extern int bcm_ether_atoe(const char *p, struct ether_addr *ea); 374 375/* ip address */ 376struct ipv4_addr; 377extern char *bcm_ip_ntoa(struct ipv4_addr *ia, char *buf); 378 379/* delay */ 380extern void bcm_mdelay(uint ms); 381/* variable access */ 382#define NVRAM_RECLAIM_CHECK(name) 383 384extern char *getvar(char *vars, const char *name); 385extern int getintvar(char *vars, const char *name); 386extern int getintvararray(char *vars, const char *name, int index); 387extern int getintvararraysize(char *vars, const char *name); 388extern uint getgpiopin(char *vars, char *pin_name, uint def_pin); 389#define bcm_perf_enable() 390#define bcmstats(fmt) 391#define bcmlog(fmt, a1, a2) 392#define bcmdumplog(buf, size) *buf = '\0' 393#define bcmdumplogent(buf, idx) -1 394 395#define bcmtslog(tstamp, fmt, a1, a2) 396#define bcmprinttslogs() 397#define bcmprinttstamp(us) 398#define bcmdumptslog(buf, size) 399 400extern char *bcm_nvram_vars(uint *length); 401extern int bcm_nvram_cache(void *sih); 402 403/* Support for sharing code across in-driver iovar implementations. 404 * The intent is that a driver use this structure to map iovar names 405 * to its (private) iovar identifiers, and the lookup function to 406 * find the entry. Macros are provided to map ids and get/set actions 407 * into a single number space for a switch statement. 408 */ 409 410/* iovar structure */ 411typedef struct bcm_iovar { 412 const char *name; /* name for lookup and display */ 413 uint16 varid; /* id for switch */ 414 uint16 flags; /* driver-specific flag bits */ 415 uint16 type; /* base type of argument */ 416 uint16 minlen; /* min length for buffer vars */ 417} bcm_iovar_t; 418 419/* varid definitions are per-driver, may use these get/set bits */ 420 421/* IOVar action bits for id mapping */ 422#define IOV_GET 0 /* Get an iovar */ 423#define IOV_SET 1 /* Set an iovar */ 424 425/* Varid to actionid mapping */ 426#define IOV_GVAL(id) ((id) * 2) 427#define IOV_SVAL(id) ((id) * 2 + IOV_SET) 428#define IOV_ISSET(actionid) ((actionid & IOV_SET) == IOV_SET) 429#define IOV_ID(actionid) (actionid >> 1) 430 431/* flags are per-driver based on driver attributes */ 432 433extern const bcm_iovar_t *bcm_iovar_lookup(const bcm_iovar_t *table, const char *name); 434extern int bcm_iovar_lencheck(const bcm_iovar_t *table, void *arg, int len, bool set); 435#if defined(WLTINYDUMP) || defined(WLMSG_INFORM) || defined(WLMSG_ASSOC) || \ 436 defined(WLMSG_PRPKT) || defined(WLMSG_WSEC) 437extern int bcm_format_ssid(char* buf, const uchar ssid[], uint ssid_len); 438#endif 439#endif /* BCMDRIVER */ 440 441/* Base type definitions */ 442#define IOVT_VOID 0 /* no value (implictly set only) */ 443#define IOVT_BOOL 1 /* any value ok (zero/nonzero) */ 444#define IOVT_INT8 2 /* integer values are range-checked */ 445#define IOVT_UINT8 3 /* unsigned int 8 bits */ 446#define IOVT_INT16 4 /* int 16 bits */ 447#define IOVT_UINT16 5 /* unsigned int 16 bits */ 448#define IOVT_INT32 6 /* int 32 bits */ 449#define IOVT_UINT32 7 /* unsigned int 32 bits */ 450#define IOVT_BUFFER 8 /* buffer is size-checked as per minlen */ 451#define BCM_IOVT_VALID(type) (((unsigned int)(type)) <= IOVT_BUFFER) 452 453/* Initializer for IOV type strings */ 454#define BCM_IOV_TYPE_INIT { \ 455 "void", \ 456 "bool", \ 457 "int8", \ 458 "uint8", \ 459 "int16", \ 460 "uint16", \ 461 "int32", \ 462 "uint32", \ 463 "buffer", \ 464 "" } 465 466#define BCM_IOVT_IS_INT(type) (\ 467 (type == IOVT_BOOL) || \ 468 (type == IOVT_INT8) || \ 469 (type == IOVT_UINT8) || \ 470 (type == IOVT_INT16) || \ 471 (type == IOVT_UINT16) || \ 472 (type == IOVT_INT32) || \ 473 (type == IOVT_UINT32)) 474 475/* ** driver/apps-shared section ** */ 476 477#define BCME_STRLEN 64 /* Max string length for BCM errors */ 478#define VALID_BCMERROR(e) ((e <= 0) && (e >= BCME_LAST)) 479 480 481/* 482 * error codes could be added but the defined ones shouldn't be changed/deleted 483 * these error codes are exposed to the user code 484 * when ever a new error code is added to this list 485 * please update errorstring table with the related error string and 486 * update osl files with os specific errorcode map 487*/ 488 489#define BCME_OK 0 /* Success */ 490#define BCME_ERROR -1 /* Error generic */ 491#define BCME_BADARG -2 /* Bad Argument */ 492#define BCME_BADOPTION -3 /* Bad option */ 493#define BCME_NOTUP -4 /* Not up */ 494#define BCME_NOTDOWN -5 /* Not down */ 495#define BCME_NOTAP -6 /* Not AP */ 496#define BCME_NOTSTA -7 /* Not STA */ 497#define BCME_BADKEYIDX -8 /* BAD Key Index */ 498#define BCME_RADIOOFF -9 /* Radio Off */ 499#define BCME_NOTBANDLOCKED -10 /* Not band locked */ 500#define BCME_NOCLK -11 /* No Clock */ 501#define BCME_BADRATESET -12 /* BAD Rate valueset */ 502#define BCME_BADBAND -13 /* BAD Band */ 503#define BCME_BUFTOOSHORT -14 /* Buffer too short */ 504#define BCME_BUFTOOLONG -15 /* Buffer too long */ 505#define BCME_BUSY -16 /* Busy */ 506#define BCME_NOTASSOCIATED -17 /* Not Associated */ 507#define BCME_BADSSIDLEN -18 /* Bad SSID len */ 508#define BCME_OUTOFRANGECHAN -19 /* Out of Range Channel */ 509#define BCME_BADCHAN -20 /* Bad Channel */ 510#define BCME_BADADDR -21 /* Bad Address */ 511#define BCME_NORESOURCE -22 /* Not Enough Resources */ 512#define BCME_UNSUPPORTED -23 /* Unsupported */ 513#define BCME_BADLEN -24 /* Bad length */ 514#define BCME_NOTREADY -25 /* Not Ready */ 515#define BCME_EPERM -26 /* Not Permitted */ 516#define BCME_NOMEM -27 /* No Memory */ 517#define BCME_ASSOCIATED -28 /* Associated */ 518#define BCME_RANGE -29 /* Not In Range */ 519#define BCME_NOTFOUND -30 /* Not Found */ 520#define BCME_WME_NOT_ENABLED -31 /* WME Not Enabled */ 521#define BCME_TSPEC_NOTFOUND -32 /* TSPEC Not Found */ 522#define BCME_ACM_NOTSUPPORTED -33 /* ACM Not Supported */ 523#define BCME_NOT_WME_ASSOCIATION -34 /* Not WME Association */ 524#define BCME_SDIO_ERROR -35 /* SDIO Bus Error */ 525#define BCME_DONGLE_DOWN -36 /* Dongle Not Accessible */ 526#define BCME_VERSION -37 /* Incorrect version */ 527#define BCME_TXFAIL -38 /* TX failure */ 528#define BCME_RXFAIL -39 /* RX failure */ 529#define BCME_NODEVICE -40 /* Device not present */ 530#define BCME_NMODE_DISABLED -41 /* NMODE disabled */ 531#define BCME_NONRESIDENT -42 /* access to nonresident overlay */ 532#define BCME_SCANREJECT -43 /* reject scan request */ 533#define BCME_USAGE_ERROR -44 /* WLCMD usage error */ 534#define BCME_IOCTL_ERROR -45 /* WLCMD ioctl error */ 535#define BCME_SERIAL_PORT_ERR -46 /* RWL serial port error */ 536#define BCME_LAST BCME_SERIAL_PORT_ERR 537 538/* These are collection of BCME Error strings */ 539#define BCMERRSTRINGTABLE { \ 540 "OK", \ 541 "Undefined error", \ 542 "Bad Argument", \ 543 "Bad Option", \ 544 "Not up", \ 545 "Not down", \ 546 "Not AP", \ 547 "Not STA", \ 548 "Bad Key Index", \ 549 "Radio Off", \ 550 "Not band locked", \ 551 "No clock", \ 552 "Bad Rate valueset", \ 553 "Bad Band", \ 554 "Buffer too short", \ 555 "Buffer too long", \ 556 "Busy", \ 557 "Not Associated", \ 558 "Bad SSID len", \ 559 "Out of Range Channel", \ 560 "Bad Channel", \ 561 "Bad Address", \ 562 "Not Enough Resources", \ 563 "Unsupported", \ 564 "Bad length", \ 565 "Not Ready", \ 566 "Not Permitted", \ 567 "No Memory", \ 568 "Associated", \ 569 "Not In Range", \ 570 "Not Found", \ 571 "WME Not Enabled", \ 572 "TSPEC Not Found", \ 573 "ACM Not Supported", \ 574 "Not WME Association", \ 575 "SDIO Bus Error", \ 576 "Dongle Not Accessible", \ 577 "Incorrect version", \ 578 "TX Failure", \ 579 "RX Failure", \ 580 "Device Not Present", \ 581 "NMODE Disabled", \ 582 "Nonresident overlay access", \ 583 "Scan Rejected", \ 584 "WLCMD usage error", \ 585 "WLCMD ioctl error", \ 586 "RWL serial port error", \ 587} 588 589#ifndef ABS 590#define ABS(a) (((a) < 0) ? -(a) : (a)) 591#endif /* ABS */ 592 593#ifndef MIN 594#define MIN(a, b) (((a) < (b)) ? (a) : (b)) 595#endif /* MIN */ 596 597#ifndef MAX 598#define MAX(a, b) (((a) > (b)) ? (a) : (b)) 599#endif /* MAX */ 600 601/* limit to [min, max] */ 602#ifndef LIMIT_TO_RANGE 603#define LIMIT_TO_RANGE(x, min, max) \ 604 ((x) < (min) ? (min) : ((x) > (max) ? (max) : (x))) 605#endif /* LIMIT_TO_RANGE */ 606 607/* limit to max */ 608#ifndef LIMIT_TO_MAX 609#define LIMIT_TO_MAX(x, max) \ 610 (((x) > (max) ? (max) : (x))) 611#endif /* LIMIT_TO_MAX */ 612 613/* limit to min */ 614#ifndef LIMIT_TO_MIN 615#define LIMIT_TO_MIN(x, min) \ 616 (((x) < (min) ? (min) : (x))) 617#endif /* LIMIT_TO_MIN */ 618 619#define CEIL(x, y) (((x) + ((y) - 1)) / (y)) 620#define ROUNDUP(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 621#define ISALIGNED(a, x) (((uintptr)(a) & ((x) - 1)) == 0) 622#define ALIGN_ADDR(addr, boundary) (void *)(((uintptr)(addr) + (boundary) - 1) \ 623 & ~((boundary) - 1)) 624#define ALIGN_SIZE(size, boundary) (((size) + (boundary) - 1) \ 625 & ~((boundary) - 1)) 626#define ISPOWEROF2(x) ((((x) - 1) & (x)) == 0) 627#define VALID_MASK(mask) !((mask) & ((mask) + 1)) 628 629#ifndef OFFSETOF 630#ifdef __ARMCC_VERSION 631/* 632 * The ARM RVCT compiler complains when using OFFSETOF where a constant 633 * expression is expected, such as an initializer for a static object. 634 * offsetof from the runtime library doesn't have that problem. 635 */ 636#include <stddef.h> 637#define OFFSETOF(type, member) offsetof(type, member) 638#else 639#define OFFSETOF(type, member) ((uint)(uintptr)&((type *)0)->member) 640#endif /* __ARMCC_VERSION */ 641#endif /* OFFSETOF */ 642 643#ifndef ARRAYSIZE 644#define ARRAYSIZE(a) (sizeof(a) / sizeof(a[0])) 645#endif 646 647#ifndef ARRAYLAST /* returns pointer to last array element */ 648#define ARRAYLAST(a) (&a[ARRAYSIZE(a)-1]) 649#endif 650 651/* Reference a function; used to prevent a static function from being optimized out */ 652extern void *_bcmutils_dummy_fn; 653#define REFERENCE_FUNCTION(f) (_bcmutils_dummy_fn = (void *)(f)) 654 655/* bit map related macros */ 656#ifndef setbit 657#ifndef NBBY /* the BSD family defines NBBY */ 658#define NBBY 8 /* 8 bits per byte */ 659#endif /* #ifndef NBBY */ 660#ifdef BCMUTILS_BIT_MACROS_USE_FUNCS 661extern void setbit(void *array, uint bit); 662extern void clrbit(void *array, uint bit); 663extern bool isset(const void *array, uint bit); 664extern bool isclr(const void *array, uint bit); 665#else 666#define setbit(a, i) (((uint8 *)a)[(i) / NBBY] |= 1 << ((i) % NBBY)) 667#define clrbit(a, i) (((uint8 *)a)[(i) / NBBY] &= ~(1 << ((i) % NBBY))) 668#define isset(a, i) (((const uint8 *)a)[(i) / NBBY] & (1 << ((i) % NBBY))) 669#define isclr(a, i) ((((const uint8 *)a)[(i) / NBBY] & (1 << ((i) % NBBY))) == 0) 670#endif 671#endif /* setbit */ 672 673#define isbitset(a, i) (((a) & (1 << (i))) != 0) 674 675#define NBITS(type) (sizeof(type) * 8) 676#define NBITVAL(nbits) (1 << (nbits)) 677#define MAXBITVAL(nbits) ((1 << (nbits)) - 1) 678#define NBITMASK(nbits) MAXBITVAL(nbits) 679#define MAXNBVAL(nbyte) MAXBITVAL((nbyte) * 8) 680 681/* basic mux operation - can be optimized on several architectures */ 682#define MUX(pred, true, false) ((pred) ? (true) : (false)) 683 684/* modulo inc/dec - assumes x E [0, bound - 1] */ 685#define MODDEC(x, bound) MUX((x) == 0, (bound) - 1, (x) - 1) 686#define MODINC(x, bound) MUX((x) == (bound) - 1, 0, (x) + 1) 687 688/* modulo inc/dec, bound = 2^k */ 689#define MODDEC_POW2(x, bound) (((x) - 1) & ((bound) - 1)) 690#define MODINC_POW2(x, bound) (((x) + 1) & ((bound) - 1)) 691 692/* modulo add/sub - assumes x, y E [0, bound - 1] */ 693#define MODADD(x, y, bound) \ 694 MUX((x) + (y) >= (bound), (x) + (y) - (bound), (x) + (y)) 695#define MODSUB(x, y, bound) \ 696 MUX(((int)(x)) - ((int)(y)) < 0, (x) - (y) + (bound), (x) - (y)) 697 698/* module add/sub, bound = 2^k */ 699#define MODADD_POW2(x, y, bound) (((x) + (y)) & ((bound) - 1)) 700#define MODSUB_POW2(x, y, bound) (((x) - (y)) & ((bound) - 1)) 701 702/* crc defines */ 703#define CRC8_INIT_VALUE 0xff /* Initial CRC8 checksum value */ 704#define CRC8_GOOD_VALUE 0x9f /* Good final CRC8 checksum value */ 705#define CRC16_INIT_VALUE 0xffff /* Initial CRC16 checksum value */ 706#define CRC16_GOOD_VALUE 0xf0b8 /* Good final CRC16 checksum value */ 707#define CRC32_INIT_VALUE 0xffffffff /* Initial CRC32 checksum value */ 708#define CRC32_GOOD_VALUE 0xdebb20e3 /* Good final CRC32 checksum value */ 709 710/* use for direct output of MAC address in printf etc */ 711#define MACF "%02x:%02x:%02x:%02x:%02x:%02x" 712#define ETHERP_TO_MACF(ea) ((struct ether_addr *) (ea))->octet[0], \ 713 ((struct ether_addr *) (ea))->octet[1], \ 714 ((struct ether_addr *) (ea))->octet[2], \ 715 ((struct ether_addr *) (ea))->octet[3], \ 716 ((struct ether_addr *) (ea))->octet[4], \ 717 ((struct ether_addr *) (ea))->octet[5] 718 719#define ETHER_TO_MACF(ea) (ea).octet[0], \ 720 (ea).octet[1], \ 721 (ea).octet[2], \ 722 (ea).octet[3], \ 723 (ea).octet[4], \ 724 (ea).octet[5] 725#if !defined(SIMPLE_MAC_PRINT) 726#define MACDBG "%02x:%02x:%02x:%02x:%02x:%02x" 727#define MAC2STRDBG(ea) (ea)[0], (ea)[1], (ea)[2], (ea)[3], (ea)[4], (ea)[5] 728#else 729#define MACDBG "%02x:%02x:%02x" 730#define MAC2STRDBG(ea) (ea)[0], (ea)[4], (ea)[5] 731#endif /* SIMPLE_MAC_PRINT */ 732 733/* bcm_format_flags() bit description structure */ 734typedef struct bcm_bit_desc { 735 uint32 bit; 736 const char* name; 737} bcm_bit_desc_t; 738 739/* bcm_format_field */ 740typedef struct bcm_bit_desc_ex { 741 uint32 mask; 742 const bcm_bit_desc_t *bitfield; 743} bcm_bit_desc_ex_t; 744 745 746/* tag_ID/length/value_buffer tuple */ 747typedef struct bcm_tlv { 748 uint8 id; 749 uint8 len; 750 uint8 data[1]; 751} bcm_tlv_t; 752 753/* Check that bcm_tlv_t fits into the given buflen */ 754#define bcm_valid_tlv(elt, buflen) ((buflen) >= 2 && (int)(buflen) >= (int)(2 + (elt)->len)) 755 756/* buffer length for ethernet address from bcm_ether_ntoa() */ 757#define ETHER_ADDR_STR_LEN 18 /* 18-bytes of Ethernet address buffer length */ 758 759/* crypto utility function */ 760/* 128-bit xor: *dst = *src1 xor *src2. dst1, src1 and src2 may have any alignment */ 761static INLINE void 762xor_128bit_block(const uint8 *src1, const uint8 *src2, uint8 *dst) 763{ 764 if ( 765#ifdef __i386__ 766 1 || 767#endif 768 (((uintptr)src1 | (uintptr)src2 | (uintptr)dst) & 3) == 0) { 769 /* ARM CM3 rel time: 1229 (727 if alignment check could be omitted) */ 770 /* x86 supports unaligned. This version runs 6x-9x faster on x86. */ 771 ((uint32 *)dst)[0] = ((const uint32 *)src1)[0] ^ ((const uint32 *)src2)[0]; 772 ((uint32 *)dst)[1] = ((const uint32 *)src1)[1] ^ ((const uint32 *)src2)[1]; 773 ((uint32 *)dst)[2] = ((const uint32 *)src1)[2] ^ ((const uint32 *)src2)[2]; 774 ((uint32 *)dst)[3] = ((const uint32 *)src1)[3] ^ ((const uint32 *)src2)[3]; 775 } else { 776 /* ARM CM3 rel time: 4668 (4191 if alignment check could be omitted) */ 777 int k; 778 for (k = 0; k < 16; k++) 779 dst[k] = src1[k] ^ src2[k]; 780 } 781} 782 783/* externs */ 784/* crc */ 785extern uint8 hndcrc8(uint8 *p, uint nbytes, uint8 crc); 786extern uint16 hndcrc16(uint8 *p, uint nbytes, uint16 crc); 787extern uint32 hndcrc32(uint8 *p, uint nbytes, uint32 crc); 788 789/* format/print */ 790#if defined(DHD_DEBUG) || defined(WLMSG_PRHDRS) || defined(WLMSG_PRPKT) || \ 791 defined(WLMSG_ASSOC) 792/* print out the value a field has: fields may have 1-32 bits and may hold any value */ 793extern int bcm_format_field(const bcm_bit_desc_ex_t *bd, uint32 field, char* buf, int len); 794/* print out which bits in flags are set */ 795extern int bcm_format_flags(const bcm_bit_desc_t *bd, uint32 flags, char* buf, int len); 796#endif 797 798#if defined(DHD_DEBUG) || defined(WLMSG_PRHDRS) || defined(WLMSG_PRPKT) || \ 799 defined(WLMSG_ASSOC) || defined(WLMEDIA_PEAKRATE) 800extern int bcm_format_hex(char *str, const void *bytes, int len); 801#endif 802 803extern const char *bcm_crypto_algo_name(uint algo); 804extern char *bcm_chipname(uint chipid, char *buf, uint len); 805extern char *bcm_brev_str(uint32 brev, char *buf); 806extern void printbig(char *buf); 807extern void prhex(const char *msg, uchar *buf, uint len); 808 809/* IE parsing */ 810extern bcm_tlv_t *bcm_next_tlv(bcm_tlv_t *elt, int *buflen); 811extern bcm_tlv_t *bcm_parse_tlvs(void *buf, int buflen, uint key); 812extern bcm_tlv_t *bcm_parse_ordered_tlvs(void *buf, int buflen, uint key); 813 814/* bcmerror */ 815extern const char *bcmerrorstr(int bcmerror); 816/* extern bcm_tlv_t *bcm_parse_tlvs(void *buf, int buflen, uint key); */ 817 818/* multi-bool data type: set of bools, mbool is true if any is set */ 819typedef uint32 mbool; 820#define mboolset(mb, bit) ((mb) |= (bit)) /* set one bool */ 821#define mboolclr(mb, bit) ((mb) &= ~(bit)) /* clear one bool */ 822#define mboolisset(mb, bit) (((mb) & (bit)) != 0) /* TRUE if one bool is set */ 823#define mboolmaskset(mb, mask, val) ((mb) = (((mb) & ~(mask)) | (val))) 824 825/* generic datastruct to help dump routines */ 826struct fielddesc { 827 const char *nameandfmt; 828 uint32 offset; 829 uint32 len; 830}; 831 832extern void bcm_binit(struct bcmstrbuf *b, char *buf, uint size); 833extern void bcm_bprhex(struct bcmstrbuf *b, const char *msg, bool newline, uint8 *buf, int len); 834 835extern void bcm_inc_bytes(uchar *num, int num_bytes, uint8 amount); 836extern int bcm_cmp_bytes(const uchar *arg1, const uchar *arg2, uint8 nbytes); 837extern void bcm_print_bytes(const char *name, const uchar *cdata, int len); 838 839typedef uint32 (*bcmutl_rdreg_rtn)(void *arg0, uint arg1, uint32 offset); 840extern uint bcmdumpfields(bcmutl_rdreg_rtn func_ptr, void *arg0, uint arg1, struct fielddesc *str, 841 char *buf, uint32 bufsize); 842extern uint bcm_bitcount(uint8 *bitmap, uint bytelength); 843 844extern int bcm_bprintf(struct bcmstrbuf *b, const char *fmt, ...); 845 846/* power conversion */ 847extern uint16 bcm_qdbm_to_mw(uint8 qdbm); 848extern uint8 bcm_mw_to_qdbm(uint16 mw); 849extern uint bcm_mkiovar(char *name, char *data, uint datalen, char *buf, uint len); 850 851unsigned int process_nvram_vars(char *varbuf, unsigned int len); 852extern bcm_tlv_t *find_vendor_ie(void *tlvs, int tlvs_len, 853 const char *voui, uint8 *type, int type_len); 854 855/* calculate a * b + c */ 856extern void bcm_uint64_multiple_add(uint32* r_high, uint32* r_low, uint32 a, uint32 b, uint32 c); 857/* calculate a / b */ 858extern void bcm_uint64_divide(uint32* r, uint32 a_high, uint32 a_low, uint32 b); 859 860#ifdef __cplusplus 861 } 862#endif 863 864#endif /* _bcmutils_h_ */ 865