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