drivers/staging/brcm80211/include/bcmutils.h

   1 /*
   2  * Copyright (c) 2010 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef _bcmutils_h_
  18 #define _bcmutils_h_
  19
  20 /* Buffer structure for collecting string-formatted data
  21 * using bcm_bprintf() API.
  22 * Use bcm_binit() to initialize before use
  23 */
  24
  25         struct bcmstrbuf {
  26                 char *buf;      /* pointer to current position in origbuf */
  27                 unsigned int size;      /* current (residual) size in bytes */
  28                 char *origbuf;  /* unmodified pointer to orignal buffer */
  29                 unsigned int origsize;  /* unmodified orignal buffer size in bytes */
  30         };
  31
  32 /* ** driver-only section ** */
  33
  34 #define GPIO_PIN_NOTDEFINED     0x20    /* Pin not defined */
  35
  36 /*
  37  * Spin at most 'us' microseconds while 'exp' is true.
  38  * Caller should explicitly test 'exp' when this completes
  39  * and take appropriate error action if 'exp' is still true.
  40  */
  41 #define SPINWAIT(exp, us) { \
  42         uint countdown = (us) + 9; \
  43         while ((exp) && (countdown >= 10)) {\
  44                 udelay(10); \
  45                 countdown -= 10; \
  46         } \
  47 }
  48
  49 /* osl multi-precedence packet queue */
  50 #ifndef PKTQ_LEN_DEFAULT
  51 #define PKTQ_LEN_DEFAULT        128     /* Max 128 packets */
  52 #endif
  53 #ifndef PKTQ_MAX_PREC
  54 #define PKTQ_MAX_PREC           16      /* Maximum precedence levels */
  55 #endif
  56
  57         struct pktq_prec {
  58                 struct sk_buff *head;   /* first packet to dequeue */
  59                 struct sk_buff *tail;   /* last packet to dequeue */
  60                 u16 len;                /* number of queued packets */
  61                 u16 max;                /* maximum number of queued packets */
  62         };
  63
  64 /* multi-priority pkt queue */
  65         struct pktq {
  66                 u16 num_prec;   /* number of precedences in use */
  67                 u16 hi_prec;    /* rapid dequeue hint (>= highest non-empty prec) */
  68                 u16 max;        /* total max packets */
  69                 u16 len;        /* total number of packets */
  70                 /* q array must be last since # of elements can be either PKTQ_MAX_PREC or 1 */
  71                 struct pktq_prec q[PKTQ_MAX_PREC];
  72         };
  73
  74 #define PKTQ_PREC_ITER(pq, prec)        for (prec = (pq)->num_prec - 1; prec >= 0; prec--)
  75
  76 /* fn(pkt, arg).  return true if pkt belongs to if */
  77         typedef bool(*ifpkt_cb_t) (void *, int);
  78
  79 /* operations on a specific precedence in packet queue */
  80
  81 #define pktq_psetmax(pq, prec, _max)    ((pq)->q[prec].max = (_max))
  82 #define pktq_plen(pq, prec)             ((pq)->q[prec].len)
  83 #define pktq_pavail(pq, prec)           ((pq)->q[prec].max - (pq)->q[prec].len)
  84 #define pktq_pfull(pq, prec)            ((pq)->q[prec].len >= (pq)->q[prec].max)
  85 #define pktq_pempty(pq, prec)           ((pq)->q[prec].len == 0)
  86
  87 #define pktq_ppeek(pq, prec)            ((pq)->q[prec].head)
  88 #define pktq_ppeek_tail(pq, prec)       ((pq)->q[prec].tail)
  89
  90 extern struct sk_buff *pktq_penq(struct pktq *pq, int prec,
  91                                  struct sk_buff *p);
  92 extern struct sk_buff *pktq_penq_head(struct pktq *pq, int prec,
  93                                       struct sk_buff *p);
  94 extern struct sk_buff *pktq_pdeq(struct pktq *pq, int prec);
  95 extern struct sk_buff *pktq_pdeq_tail(struct pktq *pq, int prec);
  96
  97 /* packet primitives */
  98 extern struct sk_buff *pkt_buf_get_skb(struct osl_info *osh, uint len);
  99 extern void pkt_buf_free_skb(struct osl_info *osh,
 100         struct sk_buff *skb, bool send);
 101
 102 /* Empty the queue at particular precedence level */
 103 #ifdef BRCM_FULLMAC
 104         extern void pktq_pflush(struct osl_info *osh, struct pktq *pq, int prec,
 105                 bool dir);
 106 #else
 107         extern void pktq_pflush(struct osl_info *osh, struct pktq *pq, int prec,
 108                 bool dir, ifpkt_cb_t fn, int arg);
 109 #endif /* BRCM_FULLMAC */
 110
 111 /* operations on a set of precedences in packet queue */
 112
 113 extern int pktq_mlen(struct pktq *pq, uint prec_bmp);
 114 extern struct sk_buff *pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out);
 115
 116 /* operations on packet queue as a whole */
 117
 118 #define pktq_len(pq)                    ((int)(pq)->len)
 119 #define pktq_max(pq)                    ((int)(pq)->max)
 120 #define pktq_avail(pq)                  ((int)((pq)->max - (pq)->len))
 121 #define pktq_full(pq)                   ((pq)->len >= (pq)->max)
 122 #define pktq_empty(pq)                  ((pq)->len == 0)
 123
 124 /* operations for single precedence queues */
 125 #define pktenq(pq, p)           pktq_penq(((struct pktq *)pq), 0, (p))
 126 #define pktenq_head(pq, p)      pktq_penq_head(((struct pktq *)pq), 0, (p))
 127 #define pktdeq(pq)              pktq_pdeq(((struct pktq *)pq), 0)
 128 #define pktdeq_tail(pq)         pktq_pdeq_tail(((struct pktq *)pq), 0)
 129 #define pktqinit(pq, len) pktq_init(((struct pktq *)pq), 1, len)
 130
 131         extern void pktq_init(struct pktq *pq, int num_prec, int max_len);
 132 /* prec_out may be NULL if caller is not interested in return value */
 133         extern struct sk_buff *pktq_peek_tail(struct pktq *pq, int *prec_out);
 134 #ifdef BRCM_FULLMAC
 135         extern void pktq_flush(struct osl_info *osh, struct pktq *pq, bool dir);
 136 #else
 137         extern void pktq_flush(struct osl_info *osh, struct pktq *pq, bool dir,
 138                 ifpkt_cb_t fn, int arg);
 139 #endif
 140
 141 /* externs */
 142 /* packet */
 143         extern uint pktfrombuf(struct osl_info *osh, struct sk_buff *p,
 144                                uint offset, int len, unsigned char *buf);
 145         extern uint pkttotlen(struct osl_info *osh, struct sk_buff *p);
 146
 147 /* ethernet address */
 148         extern int bcm_ether_atoe(char *p, u8 *ea);
 149
 150 /* ip address */
 151         struct ipv4_addr;
 152         extern char *bcm_ip_ntoa(struct ipv4_addr *ia, char *buf);
 153
 154 /* variable access */
 155         extern char *getvar(char *vars, const char *name);
 156         extern int getintvar(char *vars, const char *name);
 157 #ifdef BCMDBG
 158         extern void prpkt(const char *msg, struct osl_info *osh,
 159                           struct sk_buff *p0);
 160 #else
 161 #define prpkt(a, b, c)
 162 #endif                          /* BCMDBG */
 163
 164 #define bcm_perf_enable()
 165 #define bcmstats(fmt)
 166 #define bcmlog(fmt, a1, a2)
 167 #define bcmdumplog(buf, size)   (*buf = '\0')
 168 #define bcmdumplogent(buf, idx) -1
 169
 170 #define bcmtslog(tstamp, fmt, a1, a2)
 171 #define bcmprinttslogs()
 172 #define bcmprinttstamp(us)
 173
 174 /* Support for sharing code across in-driver iovar implementations.
 175  * The intent is that a driver use this structure to map iovar names
 176  * to its (private) iovar identifiers, and the lookup function to
 177  * find the entry.  Macros are provided to map ids and get/set actions
 178  * into a single number space for a switch statement.
 179  */
 180
 181 /* iovar structure */
 182         typedef struct bcm_iovar {
 183                 const char *name;       /* name for lookup and display */
 184                 u16 varid;      /* id for switch */
 185                 u16 flags;      /* driver-specific flag bits */
 186                 u16 type;       /* base type of argument */
 187                 u16 minlen;     /* min length for buffer vars */
 188         } bcm_iovar_t;
 189
 190 /* varid definitions are per-driver, may use these get/set bits */
 191
 192 /* IOVar action bits for id mapping */
 193 #define IOV_GET 0               /* Get an iovar */
 194 #define IOV_SET 1               /* Set an iovar */
 195
 196 /* Varid to actionid mapping */
 197 #define IOV_GVAL(id)            ((id)*2)
 198 #define IOV_SVAL(id)            (((id)*2)+IOV_SET)
 199 #define IOV_ISSET(actionid)     ((actionid & IOV_SET) == IOV_SET)
 200 #define IOV_ID(actionid)        (actionid >> 1)
 201
 202 /* flags are per-driver based on driver attributes */
 203
 204         extern const bcm_iovar_t *bcm_iovar_lookup(const bcm_iovar_t *table,
 205                                                    const char *name);
 206         extern int bcm_iovar_lencheck(const bcm_iovar_t *table, void *arg,
 207                                       int len, bool set);
 208
 209 /* Base type definitions */
 210 #define IOVT_VOID       0       /* no value (implictly set only) */
 211 #define IOVT_BOOL       1       /* any value ok (zero/nonzero) */
 212 #define IOVT_INT8       2       /* integer values are range-checked */
 213 #define IOVT_UINT8      3       /* unsigned int 8 bits */
 214 #define IOVT_INT16      4       /* int 16 bits */
 215 #define IOVT_UINT16     5       /* unsigned int 16 bits */
 216 #define IOVT_INT32      6       /* int 32 bits */
 217 #define IOVT_UINT32     7       /* unsigned int 32 bits */
 218 #define IOVT_BUFFER     8       /* buffer is size-checked as per minlen */
 219 #define BCM_IOVT_VALID(type) (((unsigned int)(type)) <= IOVT_BUFFER)
 220
 221 /* Initializer for IOV type strings */
 222 #define BCM_IOV_TYPE_INIT { \
 223         "void", \
 224         "bool", \
 225         "s8", \
 226         "u8", \
 227         "s16", \
 228         "u16", \
 229         "s32", \
 230         "u32", \
 231         "buffer", \
 232         "" }
 233
 234 #define BCM_IOVT_IS_INT(type) (\
 235         (type == IOVT_BOOL) || \
 236         (type == IOVT_INT8) || \
 237         (type == IOVT_UINT8) || \
 238         (type == IOVT_INT16) || \
 239         (type == IOVT_UINT16) || \
 240         (type == IOVT_INT32) || \
 241         (type == IOVT_UINT32))
 242
 243 /* ** driver/apps-shared section ** */
 244
 245 #define BCME_STRLEN             64      /* Max string length for BCM errors */
 246 #define VALID_BCMERROR(e)  ((e <= 0) && (e >= BCME_LAST))
 247
 248 /*
 249  * error codes could be added but the defined ones shouldn't be changed/deleted
 250  * these error codes are exposed to the user code
 251  * when ever a new error code is added to this list
 252  * please update errorstring table with the related error string and
 253  * update osl files with os specific errorcode map
 254 */
 255
 256 #define BCME_OK                         0       /* Success */
 257 #define BCME_ERROR                      -1      /* Error generic */
 258 #define BCME_BADARG                     -2      /* Bad Argument */
 259 #define BCME_BADOPTION                  -3      /* Bad option */
 260 #define BCME_NOTUP                      -4      /* Not up */
 261 #define BCME_NOTDOWN                    -5      /* Not down */
 262 #define BCME_NOTAP                      -6      /* Not AP */
 263 #define BCME_NOTSTA                     -7      /* Not STA  */
 264 #define BCME_BADKEYIDX                  -8      /* BAD Key Index */
 265 #define BCME_RADIOOFF                   -9      /* Radio Off */
 266 #define BCME_NOTBANDLOCKED              -10     /* Not  band locked */
 267 #define BCME_NOCLK                      -11     /* No Clock */
 268 #define BCME_BADRATESET                 -12     /* BAD Rate valueset */
 269 #define BCME_BADBAND                    -13     /* BAD Band */
 270 #define BCME_BUFTOOSHORT                -14     /* Buffer too short */
 271 #define BCME_BUFTOOLONG                 -15     /* Buffer too long */
 272 #define BCME_BUSY                       -16     /* Busy */
 273 #define BCME_NOTASSOCIATED              -17     /* Not Associated */
 274 #define BCME_BADSSIDLEN                 -18     /* Bad SSID len */
 275 #define BCME_OUTOFRANGECHAN             -19     /* Out of Range Channel */
 276 #define BCME_BADCHAN                    -20     /* Bad Channel */
 277 #define BCME_BADADDR                    -21     /* Bad Address */
 278 #define BCME_NORESOURCE                 -22     /* Not Enough Resources */
 279 #define BCME_UNSUPPORTED                -23     /* Unsupported */
 280 #define BCME_BADLEN                     -24     /* Bad length */
 281 #define BCME_NOTREADY                   -25     /* Not Ready */
 282 #define BCME_EPERM                      -26     /* Not Permitted */
 283 #define BCME_NOMEM                      -27     /* No Memory */
 284 #define BCME_ASSOCIATED                 -28     /* Associated */
 285 #define BCME_RANGE                      -29     /* Not In Range */
 286 #define BCME_NOTFOUND                   -30     /* Not Found */
 287 #define BCME_WME_NOT_ENABLED            -31     /* WME Not Enabled */
 288 #define BCME_TSPEC_NOTFOUND             -32     /* TSPEC Not Found */
 289 #define BCME_ACM_NOTSUPPORTED           -33     /* ACM Not Supported */
 290 #define BCME_NOT_WME_ASSOCIATION        -34     /* Not WME Association */
 291 #define BCME_SDIO_ERROR                 -35     /* SDIO Bus Error */
 292 #define BCME_DONGLE_DOWN                -36     /* Dongle Not Accessible */
 293 #define BCME_VERSION                    -37     /* Incorrect version */
 294 #define BCME_TXFAIL                     -38     /* TX failure */
 295 #define BCME_RXFAIL                     -39     /* RX failure */
 296 #define BCME_NODEVICE                   -40     /* Device not present */
 297 #define BCME_NMODE_DISABLED             -41     /* NMODE disabled */
 298 #define BCME_NONRESIDENT                -42     /* access to nonresident overlay */
 299 #define BCME_LAST                       BCME_NONRESIDENT
 300
 301 /* These are collection of BCME Error strings */
 302 #define BCMERRSTRINGTABLE {             \
 303         "OK",                           \
 304         "Undefined error",              \
 305         "Bad Argument",                 \
 306         "Bad Option",                   \
 307         "Not up",                       \
 308         "Not down",                     \
 309         "Not AP",                       \
 310         "Not STA",                      \
 311         "Bad Key Index",                \
 312         "Radio Off",                    \
 313         "Not band locked",              \
 314         "No clock",                     \
 315         "Bad Rate valueset",            \
 316         "Bad Band",                     \
 317         "Buffer too short",             \
 318         "Buffer too long",              \
 319         "Busy",                         \
 320         "Not Associated",               \
 321         "Bad SSID len",                 \
 322         "Out of Range Channel",         \
 323         "Bad Channel",                  \
 324         "Bad Address",                  \
 325         "Not Enough Resources",         \
 326         "Unsupported",                  \
 327         "Bad length",                   \
 328         "Not Ready",                    \
 329         "Not Permitted",                \
 330         "No Memory",                    \
 331         "Associated",                   \
 332         "Not In Range",                 \
 333         "Not Found",                    \
 334         "WME Not Enabled",              \
 335         "TSPEC Not Found",              \
 336         "ACM Not Supported",            \
 337         "Not WME Association",          \
 338         "SDIO Bus Error",               \
 339         "Dongle Not Accessible",        \
 340         "Incorrect version",            \
 341         "TX Failure",                   \
 342         "RX Failure",                   \
 343         "Device Not Present",           \
 344         "NMODE Disabled",               \
 345         "Nonresident overlay access", \
 346 }
 347
 348 #ifndef ABS
 349 #define ABS(a)                  (((a) < 0) ? -(a) : (a))
 350 #endif                          /* ABS */
 351
 352 #define CEIL(x, y)              (((x) + ((y)-1)) / (y))
 353 #define ISPOWEROF2(x)           ((((x)-1)&(x)) == 0)
 354
 355 /* map physical to virtual I/O */
 356 #if !defined(CONFIG_MMC_MSM7X00A)
 357 #define REG_MAP(pa, size)       ioremap_nocache((unsigned long)(pa), \
 358                                         (unsigned long)(size))
 359 #else
 360 #define REG_MAP(pa, size)       (void *)(0)
 361 #endif
 362
 363 /* Register operations */
 364 #define AND_REG(osh, r, v)      W_REG(osh, (r), R_REG(osh, r) & (v))
 365 #define OR_REG(osh, r, v)       W_REG(osh, (r), R_REG(osh, r) | (v))
 366
 367 #define SET_REG(osh, r, mask, val) \
 368                 W_REG((osh), (r), ((R_REG((osh), r) & ~(mask)) | (val)))
 369
 370 #ifndef setbit
 371 #ifndef NBBY                    /* the BSD family defines NBBY */
 372 #define NBBY    8               /* 8 bits per byte */
 373 #endif                          /* #ifndef NBBY */
 374 #define setbit(a, i)    (((u8 *)a)[(i)/NBBY] |= 1<<((i)%NBBY))
 375 #define clrbit(a, i)    (((u8 *)a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
 376 #define isset(a, i)     (((const u8 *)a)[(i)/NBBY] & (1<<((i)%NBBY)))
 377 #define isclr(a, i)     ((((const u8 *)a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
 378 #endif                          /* setbit */
 379
 380 #define NBITS(type)     (sizeof(type) * 8)
 381 #define NBITVAL(nbits)  (1 << (nbits))
 382 #define MAXBITVAL(nbits)        ((1 << (nbits)) - 1)
 383 #define NBITMASK(nbits) MAXBITVAL(nbits)
 384 #define MAXNBVAL(nbyte) MAXBITVAL((nbyte) * 8)
 385
 386 /* basic mux operation - can be optimized on several architectures */
 387 #define MUX(pred, true, false) ((pred) ? (true) : (false))
 388
 389 /* modulo inc/dec - assumes x E [0, bound - 1] */
 390 #define MODDEC(x, bound) MUX((x) == 0, (bound) - 1, (x) - 1)
 391 #define MODINC(x, bound) MUX((x) == (bound) - 1, 0, (x) + 1)
 392
 393 /* modulo inc/dec, bound = 2^k */
 394 #define MODDEC_POW2(x, bound) (((x) - 1) & ((bound) - 1))
 395 #define MODINC_POW2(x, bound) (((x) + 1) & ((bound) - 1))
 396
 397 /* modulo add/sub - assumes x, y E [0, bound - 1] */
 398 #define MODADD(x, y, bound) \
 399     MUX((x) + (y) >= (bound), (x) + (y) - (bound), (x) + (y))
 400 #define MODSUB(x, y, bound) \
 401     MUX(((int)(x)) - ((int)(y)) < 0, (x) - (y) + (bound), (x) - (y))
 402
 403 /* module add/sub, bound = 2^k */
 404 #define MODADD_POW2(x, y, bound) (((x) + (y)) & ((bound) - 1))
 405 #define MODSUB_POW2(x, y, bound) (((x) - (y)) & ((bound) - 1))
 406
 407 /* crc defines */
 408 #define CRC8_INIT_VALUE  0xff   /* Initial CRC8 checksum value */
 409 #define CRC8_GOOD_VALUE  0x9f   /* Good final CRC8 checksum value */
 410 #define CRC16_INIT_VALUE 0xffff /* Initial CRC16 checksum value */
 411 #define CRC16_GOOD_VALUE 0xf0b8 /* Good final CRC16 checksum value */
 412
 413 /* bcm_format_flags() bit description structure */
 414         typedef struct bcm_bit_desc {
 415                 u32 bit;
 416                 const char *name;
 417         } bcm_bit_desc_t;
 418
 419 /* tag_ID/length/value_buffer tuple */
 420         typedef struct bcm_tlv {
 421                 u8 id;
 422                 u8 len;
 423                 u8 data[1];
 424         } bcm_tlv_t;
 425
 426 /* Check that bcm_tlv_t fits into the given buflen */
 427 #define bcm_valid_tlv(elt, buflen) ((buflen) >= 2 && (int)(buflen) >= (int)(2 + (elt)->len))
 428
 429 #define ETHER_ADDR_STR_LEN      18      /* 18-bytes of Ethernet address buffer length */
 430
 431 /* crypto utility function */
 432 /* 128-bit xor: *dst = *src1 xor *src2. dst1, src1 and src2 may have any alignment */
 433         static inline void
 434          xor_128bit_block(const u8 *src1, const u8 *src2, u8 *dst) {
 435                 if (
 436 #ifdef __i386__
 437                            1 ||
 438 #endif
 439                            (((unsigned long) src1 | (unsigned long) src2 | (unsigned long) dst) &
 440                             3) == 0) {
 441                         /* ARM CM3 rel time: 1229 (727 if alignment check could be omitted) */
 442                         /* x86 supports unaligned.  This version runs 6x-9x faster on x86. */
 443                         ((u32 *) dst)[0] =
 444                             ((const u32 *)src1)[0] ^ ((const u32 *)
 445                                                          src2)[0];
 446                         ((u32 *) dst)[1] =
 447                             ((const u32 *)src1)[1] ^ ((const u32 *)
 448                                                          src2)[1];
 449                         ((u32 *) dst)[2] =
 450                             ((const u32 *)src1)[2] ^ ((const u32 *)
 451                                                          src2)[2];
 452                         ((u32 *) dst)[3] =
 453                             ((const u32 *)src1)[3] ^ ((const u32 *)
 454                                                          src2)[3];
 455                 } else {
 456                         /* ARM CM3 rel time: 4668 (4191 if alignment check could be omitted) */
 457                         int k;
 458                         for (k = 0; k < 16; k++)
 459                                 dst[k] = src1[k] ^ src2[k];
 460                 }
 461         }
 462
 463 /* externs */
 464 /* crc */
 465         extern u8 hndcrc8(u8 *p, uint nbytes, u8 crc);
 466         extern u16 hndcrc16(u8 *p, uint nbytes, u16 crc);
 467 /* format/print */
 468 #if defined(BCMDBG)
 469         extern int bcm_format_flags(const bcm_bit_desc_t *bd, u32 flags,
 470                                     char *buf, int len);
 471         extern int bcm_format_hex(char *str, const void *bytes, int len);
 472 #endif
 473         extern char *bcm_chipname(uint chipid, char *buf, uint len);
 474         extern void prhex(const char *msg, unsigned char *buf, uint len);
 475
 476         extern bcm_tlv_t *bcm_parse_tlvs(void *buf, int buflen,
 477                                                     uint key);
 478 /* bcmerror */
 479         extern const char *bcmerrorstr(int bcmerror);
 480
 481 /* multi-bool data type: set of bools, mbool is true if any is set */
 482         typedef u32 mbool;
 483 #define mboolset(mb, bit)               ((mb) |= (bit)) /* set one bool */
 484 #define mboolclr(mb, bit)               ((mb) &= ~(bit))        /* clear one bool */
 485 #define mboolisset(mb, bit)             (((mb) & (bit)) != 0)   /* true if one bool is set */
 486 #define mboolmaskset(mb, mask, val)     ((mb) = (((mb) & ~(mask)) | (val)))
 487
 488 /* power conversion */
 489         extern u16 bcm_qdbm_to_mw(u8 qdbm);
 490         extern u8 bcm_mw_to_qdbm(u16 mw);
 491
 492         extern void bcm_binit(struct bcmstrbuf *b, char *buf, uint size);
 493         extern int bcm_bprintf(struct bcmstrbuf *b, const char *fmt, ...);
 494
 495         extern uint bcm_mkiovar(char *name, char *data, uint datalen, char *buf,
 496                                 uint len);
 497         extern uint bcm_bitcount(u8 *bitmap, uint bytelength);
 498
 499 #endif                          /* _bcmutils_h_ */