package/broadcom-wl/src/driver/bcmutils.h

   1 /*
   2  * Misc useful os-independent macros and functions.
   3  *
   4  * Copyright 2007, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11  */
  12
  13 #ifndef _bcmutils_h_
  14 #define _bcmutils_h_
  15 #include "linux_osl.h"
  16
  17 /* ctype replacement */
  18 #define _BCM_U  0x01    /* upper */
  19 #define _BCM_L  0x02    /* lower */
  20 #define _BCM_D  0x04    /* digit */
  21 #define _BCM_C  0x08    /* cntrl */
  22 #define _BCM_P  0x10    /* punct */
  23 #define _BCM_S  0x20    /* white space (space/lf/tab) */
  24 #define _BCM_X  0x40    /* hex digit */
  25 #define _BCM_SP 0x80    /* hard space (0x20) */
  26
  27 extern const unsigned char bcm_ctype[];
  28 #define bcm_ismask(x)   (bcm_ctype[(int)(unsigned char)(x)])
  29
  30 #define bcm_isalnum(c)  ((bcm_ismask(c)&(_BCM_U|_BCM_L|_BCM_D)) != 0)
  31 #define bcm_isalpha(c)  ((bcm_ismask(c)&(_BCM_U|_BCM_L)) != 0)
  32 #define bcm_iscntrl(c)  ((bcm_ismask(c)&(_BCM_C)) != 0)
  33 #define bcm_isdigit(c)  ((bcm_ismask(c)&(_BCM_D)) != 0)
  34 #define bcm_isgraph(c)  ((bcm_ismask(c)&(_BCM_P|_BCM_U|_BCM_L|_BCM_D)) != 0)
  35 #define bcm_islower(c)  ((bcm_ismask(c)&(_BCM_L)) != 0)
  36 #define bcm_isprint(c)  ((bcm_ismask(c)&(_BCM_P|_BCM_U|_BCM_L|_BCM_D|_BCM_SP)) != 0)
  37 #define bcm_ispunct(c)  ((bcm_ismask(c)&(_BCM_P)) != 0)
  38 #define bcm_isspace(c)  ((bcm_ismask(c)&(_BCM_S)) != 0)
  39 #define bcm_isupper(c)  ((bcm_ismask(c)&(_BCM_U)) != 0)
  40 #define bcm_isxdigit(c) ((bcm_ismask(c)&(_BCM_D|_BCM_X)) != 0)
  41 #define bcm_tolower(c)  (bcm_isupper((c)) ? ((c) + 'a' - 'A') : (c))
  42 #define bcm_toupper(c)  (bcm_islower((c)) ? ((c) + 'A' - 'a') : (c))
  43
  44 /* Buffer structure for collecting string-formatted data
  45 * using bcm_bprintf() API.
  46 * Use bcm_binit() to initialize before use
  47 */
  48
  49 struct bcmstrbuf {
  50         char *buf;      /* pointer to current position in origbuf */
  51         unsigned int size;      /* current (residual) size in bytes */
  52         char *origbuf;  /* unmodified pointer to orignal buffer */
  53         unsigned int origsize;  /* unmodified orignal buffer size in bytes */
  54 };
  55
  56 /* ** driver-only section ** */
  57 #include <osl.h>
  58
  59 #define GPIO_PIN_NOTDEFINED     0x20    /* Pin not defined */
  60
  61
  62 /* osl multi-precedence packet queue */
  63 #ifndef PKTQ_LEN_DEFAULT
  64 #define PKTQ_LEN_DEFAULT        128     /* Max 128 packets */
  65 #endif
  66 #ifndef PKTQ_MAX_PREC
  67 #define PKTQ_MAX_PREC           16      /* Maximum precedence levels */
  68 #endif
  69
  70 typedef struct pktq_prec {
  71         void *head;     /* first packet to dequeue */
  72         void *tail;     /* last packet to dequeue */
  73         uint16 len;     /* number of queued packets */
  74         uint16 max;     /* maximum number of queued packets */
  75 } pktq_prec_t;
  76
  77
  78 /* multi-priority pkt queue */
  79 struct pktq {
  80         uint16 num_prec;        /* number of precedences in use */
  81         uint16 hi_prec;         /* rapid dequeue hint (>= highest non-empty prec) */
  82         uint16 max;             /* total max packets */
  83         uint16 len;             /* total number of packets */
  84         /* q array must be last since # of elements can be either PKTQ_MAX_PREC or 1 */
  85         struct pktq_prec q[PKTQ_MAX_PREC];
  86 };
  87
  88 /* simple, non-priority pkt queue */
  89 struct spktq {
  90         uint16 num_prec;        /* number of precedences in use (always 1) */
  91         uint16 hi_prec;         /* rapid dequeue hint (>= highest non-empty prec) */
  92         uint16 max;             /* total max packets */
  93         uint16 len;             /* total number of packets */
  94         /* q array must be last since # of elements can be either PKTQ_MAX_PREC or 1 */
  95         struct pktq_prec q[1];
  96 };
  97
  98 #define PKTQ_PREC_ITER(pq, prec)        for (prec = (pq)->num_prec - 1; prec >= 0; prec--)
  99
 100 /* forward definition of ether_addr structure used by some function prototypes */
 101 struct ether_addr;
 102
 103 /* operations on a specific precedence in packet queue */
 104
 105 #define pktq_psetmax(pq, prec, _max)    ((pq)->q[prec].max = (_max))
 106 #define pktq_plen(pq, prec)             ((pq)->q[prec].len)
 107 #define pktq_pavail(pq, prec)           ((pq)->q[prec].max - (pq)->q[prec].len)
 108 #define pktq_pfull(pq, prec)            ((pq)->q[prec].len >= (pq)->q[prec].max)
 109 #define pktq_pempty(pq, prec)           ((pq)->q[prec].len == 0)
 110
 111 #define pktq_ppeek(pq, prec)            ((pq)->q[prec].head)
 112 #define pktq_ppeek_tail(pq, prec)       ((pq)->q[prec].tail)
 113
 114 extern void *pktq_penq(struct pktq *pq, int prec, void *p);
 115 extern void *pktq_penq_head(struct pktq *pq, int prec, void *p);
 116 extern void *pktq_pdeq(struct pktq *pq, int prec);
 117 extern void *pktq_pdeq_tail(struct pktq *pq, int prec);
 118 /* Empty the queue at particular precedence level */
 119 extern void pktq_pflush(osl_t *osh, struct pktq *pq, int prec, bool dir);
 120 /* Remove a specified packet from its queue */
 121 extern bool pktq_pdel(struct pktq *pq, void *p, int prec);
 122
 123 /* operations on a set of precedences in packet queue */
 124
 125 extern int pktq_mlen(struct pktq *pq, uint prec_bmp);
 126 extern void *pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out);
 127
 128 /* operations on packet queue as a whole */
 129
 130 #define pktq_len(pq)                    ((int)(pq)->len)
 131 #define pktq_max(pq)                    ((int)(pq)->max)
 132 #define pktq_avail(pq)                  ((int)((pq)->max - (pq)->len))
 133 #define pktq_full(pq)                   ((pq)->len >= (pq)->max)
 134 #define pktq_empty(pq)                  ((pq)->len == 0)
 135
 136 /* operations for single precedence queues */
 137 #define pktenq(pq, p)           pktq_penq(((struct pktq *)pq), 0, (p))
 138 #define pktenq_head(pq, p)      pktq_penq_head(((struct pktq *)pq), 0, (p))
 139 #define pktdeq(pq)              pktq_pdeq(((struct pktq *)pq), 0)
 140 #define pktdeq_tail(pq)         pktq_pdeq_tail(((struct pktq *)pq), 0)
 141 #define pktqinit(pq, len) pktq_init(((struct pktq *)pq), 1, len)
 142
 143 extern void pktq_init(struct pktq *pq, int num_prec, int max_len);
 144 /* prec_out may be NULL if caller is not interested in return value */
 145 extern void *pktq_deq(struct pktq *pq, int *prec_out);
 146 extern void *pktq_deq_tail(struct pktq *pq, int *prec_out);
 147 extern void *pktq_peek(struct pktq *pq, int *prec_out);
 148 extern void *pktq_peek_tail(struct pktq *pq, int *prec_out);
 149 extern void pktq_flush(osl_t *osh, struct pktq *pq, bool dir); /* Empty the entire queue */
 150 extern int pktq_setmax(struct pktq *pq, int max_len);
 151
 152 /* externs */
 153 /* packet */
 154 extern uint pktcopy(osl_t *osh, void *p, uint offset, int len, uchar *buf);
 155 extern uint pkttotlen(osl_t *osh, void *p);
 156 extern void *pktlast(osl_t *osh, void *p);
 157
 158 /* Get priority from a packet and pass it back in scb (or equiv) */
 159 extern uint pktsetprio(void *pkt, bool update_vtag);
 160 #define PKTPRIO_VDSCP   0x100           /* DSCP prio found after VLAN tag */
 161 #define PKTPRIO_VLAN    0x200           /* VLAN prio found */
 162 #define PKTPRIO_UPD     0x400           /* DSCP used to update VLAN prio */
 163 #define PKTPRIO_DSCP    0x800           /* DSCP prio found */
 164
 165 /* string */
 166 extern int BCMROMFN(bcm_atoi)(char *s);
 167 extern ulong BCMROMFN(bcm_strtoul)(char *cp, char **endp, uint base);
 168 extern char *BCMROMFN(bcmstrstr)(char *haystack, char *needle);
 169 extern char *BCMROMFN(bcmstrcat)(char *dest, const char *src);
 170 extern char *BCMROMFN(bcmstrncat)(char *dest, const char *src, uint size);
 171 extern ulong wchar2ascii(char *abuf, ushort *wbuf, ushort wbuflen, ulong abuflen);
 172 /* ethernet address */
 173 extern char *bcm_ether_ntoa(struct ether_addr *ea, char *buf);
 174 extern int BCMROMFN(bcm_ether_atoe)(char *p, struct ether_addr *ea);
 175
 176 /* ip address */
 177 struct ipv4_addr;
 178 extern char *bcm_ip_ntoa(struct ipv4_addr *ia, char *buf);
 179
 180 /* delay */
 181 extern void bcm_mdelay(uint ms);
 182 /* variable access */
 183 extern char *getvar(char *vars, const char *name);
 184 extern int getintvar(char *vars, const char *name);
 185 extern uint getgpiopin(char *vars, char *pin_name, uint def_pin);
 186 #ifdef BCMDBG
 187 extern void prpkt(const char *msg, osl_t *osh, void *p0);
 188 #endif /* BCMDBG */
 189 #ifdef BCMPERFSTATS
 190 extern void bcm_perf_enable(void);
 191 extern void bcmstats(char *fmt);
 192 extern void bcmlog(char *fmt, uint a1, uint a2);
 193 extern void bcmdumplog(char *buf, int size);
 194 extern int bcmdumplogent(char *buf, uint idx);
 195 #else
 196 #define bcm_perf_enable()
 197 #define bcmstats(fmt)
 198 #define bcmlog(fmt, a1, a2)
 199 #define bcmdumplog(buf, size)   *buf = '\0'
 200 #define bcmdumplogent(buf, idx) -1
 201 #endif /* BCMPERFSTATS */
 202 extern char *bcm_nvram_vars(uint *length);
 203 extern int bcm_nvram_cache(void *sbh);
 204
 205 /* Support for sharing code across in-driver iovar implementations.
 206  * The intent is that a driver use this structure to map iovar names
 207  * to its (private) iovar identifiers, and the lookup function to
 208  * find the entry.  Macros are provided to map ids and get/set actions
 209  * into a single number space for a switch statement.
 210  */
 211
 212 /* iovar structure */
 213 typedef struct bcm_iovar {
 214         const char *name;       /* name for lookup and display */
 215         uint16 varid;           /* id for switch */
 216         uint16 flags;           /* driver-specific flag bits */
 217         uint16 type;            /* base type of argument */
 218         uint16 minlen;          /* min length for buffer vars */
 219 } bcm_iovar_t;
 220
 221 /* varid definitions are per-driver, may use these get/set bits */
 222
 223 /* IOVar action bits for id mapping */
 224 #define IOV_GET 0 /* Get an iovar */
 225 #define IOV_SET 1 /* Set an iovar */
 226
 227 /* Varid to actionid mapping */
 228 #define IOV_GVAL(id)            ((id)*2)
 229 #define IOV_SVAL(id)            (((id)*2)+IOV_SET)
 230 #define IOV_ISSET(actionid)     ((actionid & IOV_SET) == IOV_SET)
 231
 232 /* flags are per-driver based on driver attributes */
 233
 234 extern const bcm_iovar_t *bcm_iovar_lookup(const bcm_iovar_t *table, const char *name);
 235 extern int bcm_iovar_lencheck(const bcm_iovar_t *table, void *arg, int len, bool set);
 236
 237 /* Base type definitions */
 238 #define IOVT_VOID       0       /* no value (implictly set only) */
 239 #define IOVT_BOOL       1       /* any value ok (zero/nonzero) */
 240 #define IOVT_INT8       2       /* integer values are range-checked */
 241 #define IOVT_UINT8      3       /* unsigned int 8 bits */
 242 #define IOVT_INT16      4       /* int 16 bits */
 243 #define IOVT_UINT16     5       /* unsigned int 16 bits */
 244 #define IOVT_INT32      6       /* int 32 bits */
 245 #define IOVT_UINT32     7       /* unsigned int 32 bits */
 246 #define IOVT_BUFFER     8       /* buffer is size-checked as per minlen */
 247 #define BCM_IOVT_VALID(type) (((unsigned int)(type)) <= IOVT_BUFFER)
 248
 249 /* Initializer for IOV type strings */
 250 #define BCM_IOV_TYPE_INIT { \
 251         "void", \
 252         "bool", \
 253         "int8", \
 254         "uint8", \
 255         "int16", \
 256         "uint16", \
 257         "int32", \
 258         "uint32", \
 259         "buffer", \
 260         "" }
 261
 262 #define BCM_IOVT_IS_INT(type) (\
 263         (type == IOVT_BOOL) || \
 264         (type == IOVT_INT8) || \
 265         (type == IOVT_UINT8) || \
 266         (type == IOVT_INT16) || \
 267         (type == IOVT_UINT16) || \
 268         (type == IOVT_INT32) || \
 269         (type == IOVT_UINT32))
 270
 271 /* ** driver/apps-shared section ** */
 272
 273 #define BCME_STRLEN             64      /* Max string length for BCM errors */
 274 #define VALID_BCMERROR(e)  ((e <= 0) && (e >= BCME_LAST))
 275
 276
 277 /*
 278  * error codes could be added but the defined ones shouldn't be changed/deleted
 279  * these error codes are exposed to the user code
 280  * when ever a new error code is added to this list
 281  * please update errorstring table with the related error string and
 282  * update osl files with os specific errorcode map
 283 */
 284
 285 #define BCME_OK                         0       /* Success */
 286 #define BCME_ERROR                      -1      /* Error generic */
 287 #define BCME_BADARG                     -2      /* Bad Argument */
 288 #define BCME_BADOPTION                  -3      /* Bad option */
 289 #define BCME_NOTUP                      -4      /* Not up */
 290 #define BCME_NOTDOWN                    -5      /* Not down */
 291 #define BCME_NOTAP                      -6      /* Not AP */
 292 #define BCME_NOTSTA                     -7      /* Not STA  */
 293 #define BCME_BADKEYIDX                  -8      /* BAD Key Index */
 294 #define BCME_RADIOOFF                   -9      /* Radio Off */
 295 #define BCME_NOTBANDLOCKED              -10     /* Not  band locked */
 296 #define BCME_NOCLK                      -11     /* No Clock */
 297 #define BCME_BADRATESET                 -12     /* BAD Rate valueset */
 298 #define BCME_BADBAND                    -13     /* BAD Band */
 299 #define BCME_BUFTOOSHORT                -14     /* Buffer too short */
 300 #define BCME_BUFTOOLONG                 -15     /* Buffer too long */
 301 #define BCME_BUSY                       -16     /* Busy */
 302 #define BCME_NOTASSOCIATED              -17     /* Not Associated */
 303 #define BCME_BADSSIDLEN                 -18     /* Bad SSID len */
 304 #define BCME_OUTOFRANGECHAN             -19     /* Out of Range Channel */
 305 #define BCME_BADCHAN                    -20     /* Bad Channel */
 306 #define BCME_BADADDR                    -21     /* Bad Address */
 307 #define BCME_NORESOURCE                 -22     /* Not Enough Resources */
 308 #define BCME_UNSUPPORTED                -23     /* Unsupported */
 309 #define BCME_BADLEN                     -24     /* Bad length */
 310 #define BCME_NOTREADY                   -25     /* Not Ready */
 311 #define BCME_EPERM                      -26     /* Not Permitted */
 312 #define BCME_NOMEM                      -27     /* No Memory */
 313 #define BCME_ASSOCIATED                 -28     /* Associated */
 314 #define BCME_RANGE                      -29     /* Not In Range */
 315 #define BCME_NOTFOUND                   -30     /* Not Found */
 316 #define BCME_WME_NOT_ENABLED            -31     /* WME Not Enabled */
 317 #define BCME_TSPEC_NOTFOUND             -32     /* TSPEC Not Found */
 318 #define BCME_ACM_NOTSUPPORTED           -33     /* ACM Not Supported */
 319 #define BCME_NOT_WME_ASSOCIATION        -34     /* Not WME Association */
 320 #define BCME_SDIO_ERROR                 -35     /* SDIO Bus Error */
 321 #define BCME_DONGLE_DOWN                -36     /* Dongle Not Accessible */
 322 #define BCME_VERSION                    -37 /* Incorrect version */
 323 #define BCME_LAST                       BCME_VERSION
 324
 325 /* These are collection of BCME Error strings */
 326 #define BCMERRSTRINGTABLE {             \
 327         "OK",                           \
 328         "Undefined error",              \
 329         "Bad Argument",                 \
 330         "Bad Option",                   \
 331         "Not up",                       \
 332         "Not down",                     \
 333         "Not AP",                       \
 334         "Not STA",                      \
 335         "Bad Key Index",                \
 336         "Radio Off",                    \
 337         "Not band locked",              \
 338         "No clock",                     \
 339         "Bad Rate valueset",            \
 340         "Bad Band",                     \
 341         "Buffer too short",             \
 342         "Buffer too long",              \
 343         "Busy",                         \
 344         "Not Associated",               \
 345         "Bad SSID len",                 \
 346         "Out of Range Channel",         \
 347         "Bad Channel",                  \
 348         "Bad Address",                  \
 349         "Not Enough Resources",         \
 350         "Unsupported",                  \
 351         "Bad length",                   \
 352         "Not Ready",                    \
 353         "Not Permitted",                \
 354         "No Memory",                    \
 355         "Associated",                   \
 356         "Not In Range",                 \
 357         "Not Found",                    \
 358         "WME Not Enabled",              \
 359         "TSPEC Not Found",              \
 360         "ACM Not Supported",            \
 361         "Not WME Association",          \
 362         "SDIO Bus Error",               \
 363         "Dongle Not Accessible",        \
 364         "Incorrect version"     \
 365 }
 366
 367 #ifndef ABS
 368 #define ABS(a)                  (((a) < 0)?-(a):(a))
 369 #endif /* ABS */
 370
 371 #ifndef MIN
 372 #define MIN(a, b)               (((a) < (b))?(a):(b))
 373 #endif /* MIN */
 374
 375 #ifndef MAX
 376 #define MAX(a, b)               (((a) > (b))?(a):(b))
 377 #endif /* MAX */
 378
 379 #define CEIL(x, y)              (((x) + ((y)-1)) / (y))
 380 #define ROUNDUP(x, y)           ((((x)+((y)-1))/(y))*(y))
 381 #define ISALIGNED(a, x)         (((a) & ((x)-1)) == 0)
 382 #define ISPOWEROF2(x)           ((((x)-1)&(x)) == 0)
 383 #define VALID_MASK(mask)        !((mask) & ((mask) + 1))
 384 #ifndef OFFSETOF
 385 #define OFFSETOF(type, member)  ((uint)(uintptr)&((type *)0)->member)
 386 #endif /* OFFSETOF */
 387 #ifndef ARRAYSIZE
 388 #define ARRAYSIZE(a)            (sizeof(a)/sizeof(a[0]))
 389 #endif
 390
 391 /* bit map related macros */
 392 #ifndef setbit
 393 #ifndef NBBY                /* the BSD family defines NBBY */
 394 #define NBBY    8       /* 8 bits per byte */
 395 #endif /* #ifndef NBBY */
 396 #define setbit(a, i)    (((uint8 *)a)[(i)/NBBY] |= 1<<((i)%NBBY))
 397 #define clrbit(a, i)    (((uint8 *)a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
 398 #define isset(a, i)     (((const uint8 *)a)[(i)/NBBY] & (1<<((i)%NBBY)))
 399 #define isclr(a, i)     ((((const uint8 *)a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
 400 #endif /* setbit */
 401
 402 #define NBITS(type)     (sizeof(type) * 8)
 403 #define NBITVAL(nbits)  (1 << (nbits))
 404 #define MAXBITVAL(nbits)        ((1 << (nbits)) - 1)
 405 #define NBITMASK(nbits) MAXBITVAL(nbits)
 406 #define MAXNBVAL(nbyte) MAXBITVAL((nbyte) * 8)
 407
 408 /* basic mux operation - can be optimized on several architectures */
 409 #define MUX(pred, true, false) ((pred) ? (true) : (false))
 410
 411 /* modulo inc/dec - assumes x E [0, bound - 1] */
 412 #define MODDEC(x, bound) MUX((x) == 0, (bound) - 1, (x) - 1)
 413 #define MODINC(x, bound) MUX((x) == (bound) - 1, 0, (x) + 1)
 414
 415 /* modulo inc/dec, bound = 2^k */
 416 #define MODDEC_POW2(x, bound) (((x) - 1) & ((bound) - 1))
 417 #define MODINC_POW2(x, bound) (((x) + 1) & ((bound) - 1))
 418
 419 /* modulo add/sub - assumes x, y E [0, bound - 1] */
 420 #define MODADD(x, y, bound) \
 421     MUX((x) + (y) >= (bound), (x) + (y) - (bound), (x) + (y))
 422 #define MODSUB(x, y, bound) \
 423     MUX(((int)(x)) - ((int)(y)) < 0, (x) - (y) + (bound), (x) - (y))
 424
 425 /* module add/sub, bound = 2^k */
 426 #define MODADD_POW2(x, y, bound) (((x) + (y)) & ((bound) - 1))
 427 #define MODSUB_POW2(x, y, bound) (((x) - (y)) & ((bound) - 1))
 428
 429 /* crc defines */
 430 #define CRC8_INIT_VALUE  0xff           /* Initial CRC8 checksum value */
 431 #define CRC8_GOOD_VALUE  0x9f           /* Good final CRC8 checksum value */
 432 #define CRC16_INIT_VALUE 0xffff         /* Initial CRC16 checksum value */
 433 #define CRC16_GOOD_VALUE 0xf0b8         /* Good final CRC16 checksum value */
 434 #define CRC32_INIT_VALUE 0xffffffff     /* Initial CRC32 checksum value */
 435 #define CRC32_GOOD_VALUE 0xdebb20e3     /* Good final CRC32 checksum value */
 436
 437 /* bcm_format_flags() bit description structure */
 438 typedef struct bcm_bit_desc {
 439         uint32  bit;
 440         const char* name;
 441 } bcm_bit_desc_t;
 442
 443 /* tag_ID/length/value_buffer tuple */
 444 typedef struct bcm_tlv {
 445         uint8   id;
 446         uint8   len;
 447         uint8   data[1];
 448 } bcm_tlv_t;
 449
 450 /* Check that bcm_tlv_t fits into the given buflen */
 451 #define bcm_valid_tlv(elt, buflen) ((buflen) >= 2 && (int)(buflen) >= (int)(2 + (elt)->len))
 452
 453 /* buffer length for ethernet address from bcm_ether_ntoa() */
 454 #define ETHER_ADDR_STR_LEN      18      /* 18-bytes of Ethernet address buffer length */
 455
 456 /* unaligned load and store macros */
 457 #ifdef IL_BIGENDIAN
 458 static INLINE uint32
 459 load32_ua(uint8 *a)
 460 {
 461         return ((a[0] << 24) | (a[1] << 16) | (a[2] << 8) | a[3]);
 462 }
 463
 464 static INLINE void
 465 store32_ua(uint8 *a, uint32 v)
 466 {
 467         a[0] = (v >> 24) & 0xff;
 468         a[1] = (v >> 16) & 0xff;
 469         a[2] = (v >> 8) & 0xff;
 470         a[3] = v & 0xff;
 471 }
 472
 473 static INLINE uint16
 474 load16_ua(uint8 *a)
 475 {
 476         return ((a[0] << 8) | a[1]);
 477 }
 478
 479 static INLINE void
 480 store16_ua(uint8 *a, uint16 v)
 481 {
 482         a[0] = (v >> 8) & 0xff;
 483         a[1] = v & 0xff;
 484 }
 485
 486 #else /* IL_BIGENDIAN */
 487
 488 static INLINE uint32
 489 load32_ua(uint8 *a)
 490 {
 491         return ((a[3] << 24) | (a[2] << 16) | (a[1] << 8) | a[0]);
 492 }
 493
 494 static INLINE void
 495 store32_ua(uint8 *a, uint32 v)
 496 {
 497         a[3] = (v >> 24) & 0xff;
 498         a[2] = (v >> 16) & 0xff;
 499         a[1] = (v >> 8) & 0xff;
 500         a[0] = v & 0xff;
 501 }
 502
 503 static INLINE uint16
 504 load16_ua(uint8 *a)
 505 {
 506         return ((a[1] << 8) | a[0]);
 507 }
 508
 509 static INLINE void
 510 store16_ua(uint8 *a, uint16 v)
 511 {
 512         a[1] = (v >> 8) & 0xff;
 513         a[0] = v & 0xff;
 514 }
 515
 516 #endif /* IL_BIGENDIAN */
 517
 518 /* externs */
 519 /* crc */
 520 extern uint8 BCMROMFN(hndcrc8)(uint8 *p, uint nbytes, uint8 crc);
 521 extern uint16 BCMROMFN(hndcrc16)(uint8 *p, uint nbytes, uint16 crc);
 522 extern uint32 BCMROMFN(hndcrc32)(uint8 *p, uint nbytes, uint32 crc);
 523 /* format/print */
 524 #ifdef BCMDBG
 525 extern int bcm_format_flags(const bcm_bit_desc_t *bd, uint32 flags, char* buf, int len);
 526 extern int bcm_format_hex(char *str, const void *bytes, int len);
 527 extern void deadbeef(void *p, uint len);
 528 extern void prhex(const char *msg, uchar *buf, uint len);
 529 #endif /* BCMDBG */
 530 extern char *bcm_brev_str(uint16 brev, char *buf);
 531 extern void printfbig(char *buf);
 532
 533 /* IE parsing */
 534 extern bcm_tlv_t *BCMROMFN(bcm_next_tlv)(bcm_tlv_t *elt, int *buflen);
 535 extern bcm_tlv_t *BCMROMFN(bcm_parse_tlvs)(void *buf, int buflen, uint key);
 536 extern bcm_tlv_t *BCMROMFN(bcm_parse_ordered_tlvs)(void *buf, int buflen, uint key);
 537
 538 /* bcmerror */
 539 extern const char *bcmerrorstr(int bcmerror);
 540
 541 /* multi-bool data type: set of bools, mbool is true if any is set */
 542 typedef uint32 mbool;
 543 #define mboolset(mb, bit)               ((mb) |= (bit))         /* set one bool */
 544 #define mboolclr(mb, bit)               ((mb) &= ~(bit))        /* clear one bool */
 545 #define mboolisset(mb, bit)             (((mb) & (bit)) != 0)   /* TRUE if one bool is set */
 546 #define mboolmaskset(mb, mask, val)     ((mb) = (((mb) & ~(mask)) | (val)))
 547
 548 /* power conversion */
 549 extern uint16 BCMROMFN(bcm_qdbm_to_mw)(uint8 qdbm);
 550 extern uint8 BCMROMFN(bcm_mw_to_qdbm)(uint16 mw);
 551
 552 /* generic datastruct to help dump routines */
 553 struct fielddesc {
 554         const char *nameandfmt;
 555         uint32  offset;
 556         uint32  len;
 557 };
 558
 559 extern void bcm_binit(struct bcmstrbuf *b, char *buf, uint size);
 560 extern int bcm_bprintf(struct bcmstrbuf *b, const char *fmt, ...);
 561
 562 typedef  uint32 (*readreg_rtn)(void *arg0, void *arg1, uint32 offset);
 563 extern uint bcmdumpfields(readreg_rtn func_ptr, void *arg0, void *arg1, struct fielddesc *str,
 564                           char *buf, uint32 bufsize);
 565
 566 extern uint bcm_mkiovar(char *name, char *data, uint datalen, char *buf, uint len);
 567 extern uint BCMROMFN(bcm_bitcount)(uint8 *bitmap, uint bytelength);
 568
 569 #ifdef BCMDBG_PKT      /* pkt logging for debugging */
 570 #define PKTLIST_SIZE 1000
 571 typedef struct {
 572         void *list[PKTLIST_SIZE]; /* List of pointers to packets */
 573         uint count; /* Total count of the packets */
 574 } pktlist_info_t;
 575
 576 extern void pktlist_add(pktlist_info_t *pktlist, void *p);
 577 extern void pktlist_remove(pktlist_info_t *pktlist, void *p);
 578 extern char* pktlist_dump(pktlist_info_t *pktlist, char *buf);
 579 #endif  /* BCMDBG_PKT */
 580
 581 #endif  /* _bcmutils_h_ */