bcmutils.h 20 KB

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