text: /*
   * Misc useful os-independent macros and functions.
   *
   * Copyright (C) 1999-2011, Broadcom Corporation
   * 
   *         Unless you and Broadcom execute a separate written software license
   * agreement governing use of this software, this software is licensed to you
   * under the terms of the GNU General Public License version 2 (the "GPL"),
   * available at http://www.broadcom.com/licenses/GPLv2.php, with the
   * following added to such license:
   * 
   *      As a special exception, the copyright holders of this software give you
   * permission to link this software with independent modules, and to copy and
   * distribute the resulting executable under terms of your choice, provided that
   * you also meet, for each linked independent module, the terms and conditions of
   * the license of that module.  An independent module is a module which is not
   * derived from this software.  The special exception does not apply to any
   * modifications of the software.
   * 
   *      Notwithstanding the above, under no circumstances may you combine this
   * software in any way with any other Broadcom software provided under a license
   * other than the GPL, without Broadcom's express prior written consent.
   *
   * $Id: //DTV/MP_BR/DTV_X_IDTV0801_002200_2_001_2_001_1210_001/chiling/kernel/linux-3.0/drivers/net/wireless/bcmdhd/include/bcmutils.h#1 $
   */
  
  
  #ifndef	_bcmutils_h_
  #define	_bcmutils_h_
  
  #define bcm_strcpy_s(dst, noOfElements, src)            strcpy((dst), (src))
  #define bcm_strncpy_s(dst, noOfElements, src, count)    strncpy((dst), (src), (count))
  #define bcm_strcat_s(dst, noOfElements, src)            strcat((dst), (src))
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  
  #define _BCM_U	0x01	
  #define _BCM_L	0x02	
  #define _BCM_D	0x04	
  #define _BCM_C	0x08	
  #define _BCM_P	0x10	
  #define _BCM_S	0x20	
  #define _BCM_X	0x40	
  #define _BCM_SP	0x80	
  
  extern const unsigned char bcm_ctype[];
  #define bcm_ismask(x)	(bcm_ctype[(int)(unsigned char)(x)])
  
  #define bcm_isalnum(c)	((bcm_ismask(c)&(_BCM_U|_BCM_L|_BCM_D)) != 0)
  #define bcm_isalpha(c)	((bcm_ismask(c)&(_BCM_U|_BCM_L)) != 0)
  #define bcm_iscntrl(c)	((bcm_ismask(c)&(_BCM_C)) != 0)
  #define bcm_isdigit(c)	((bcm_ismask(c)&(_BCM_D)) != 0)
  #define bcm_isgraph(c)	((bcm_ismask(c)&(_BCM_P|_BCM_U|_BCM_L|_BCM_D)) != 0)
  #define bcm_islower(c)	((bcm_ismask(c)&(_BCM_L)) != 0)
  #define bcm_isprint(c)	((bcm_ismask(c)&(_BCM_P|_BCM_U|_BCM_L|_BCM_D|_BCM_SP)) != 0)
  #define bcm_ispunct(c)	((bcm_ismask(c)&(_BCM_P)) != 0)
  #define bcm_isspace(c)	((bcm_ismask(c)&(_BCM_S)) != 0)
  #define bcm_isupper(c)	((bcm_ismask(c)&(_BCM_U)) != 0)
  #define bcm_isxdigit(c)	((bcm_ismask(c)&(_BCM_D|_BCM_X)) != 0)
  #define bcm_tolower(c)	(bcm_isupper((c)) ? ((c) + 'a' - 'A') : (c))
  #define bcm_toupper(c)	(bcm_islower((c)) ? ((c) + 'A' - 'a') : (c))
  
  
  
  struct bcmstrbuf {
  	char *buf;	
  	unsigned int size;	
  	char *origbuf;	
  	unsigned int origsize;	
  };
  
  
  #ifdef BCMDRIVER
  #include <osl.h>
  
  #define GPIO_PIN_NOTDEFINED 	0x20	
  
  
  #define SPINWAIT(exp, us) { \
  	uint countdown = (us) + 9; \
  	while ((exp) && (countdown >= 10)) {\
  		OSL_DELAY(10); \
  		countdown -= 10; \
  	} \
  }
  
  
  #ifndef PKTQ_LEN_DEFAULT
  #define PKTQ_LEN_DEFAULT        128	
  #endif
  #ifndef PKTQ_MAX_PREC
  #define PKTQ_MAX_PREC           16	
  #endif
  
  typedef struct pktq_prec {
  	void *head;     
  	void *tail;     
  	uint16 len;     
  	uint16 max;     
  } pktq_prec_t;
  
  
  
  struct pktq {
  	uint16 num_prec;        
  	uint16 hi_prec;         
  	uint16 max;             
  	uint16 len;             
  	
  	struct pktq_prec q[PKTQ_MAX_PREC];
  };
  
  
  struct spktq {
  	uint16 num_prec;        
  	uint16 hi_prec;         
  	uint16 max;             
  	uint16 len;             
  	
  	struct pktq_prec q[1];
  };
  
  #define PKTQ_PREC_ITER(pq, prec)        for (prec = (pq)->num_prec - 1; prec >= 0; prec--)
  
  
  typedef bool (*ifpkt_cb_t)(void*, int);
  
  #ifdef BCMPKTPOOL
  #define POOL_ENAB(pool)		((pool) && (pool)->inited)
  #if defined(BCM4329C0)
  #define SHARED_POOL		(pktpool_shared_ptr)
  #else
  #define SHARED_POOL		(pktpool_shared)
  #endif 
  #else 
  #define POOL_ENAB(bus)		0
  #define SHARED_POOL		((struct pktpool *)NULL)
  #endif 
  
  #ifndef PKTPOOL_LEN_MAX
  #define PKTPOOL_LEN_MAX		40
  #endif
  #define PKTPOOL_CB_MAX		3
  
  struct pktpool;
  typedef void (*pktpool_cb_t)(struct pktpool *pool, void *arg);
  typedef struct {
  	pktpool_cb_t cb;
  	void *arg;
  } pktpool_cbinfo_t;
  
  #ifdef BCMDBG_POOL
  
  #define POOL_IDLE	0
  #define POOL_RXFILL	1
  #define POOL_RXDH	2
  #define POOL_RXD11	3
  #define POOL_TXDH	4
  #define POOL_TXD11	5
  #define POOL_AMPDU	6
  #define POOL_TXENQ	7
  
  typedef struct {
  	void *p;
  	uint32 cycles;
  	uint32 dur;
  } pktpool_dbg_t;
  
  typedef struct {
  	uint8 txdh;	
  	uint8 txd11;	
  	uint8 enq;	
  	uint8 rxdh;	
  	uint8 rxd11;	
  	uint8 rxfill;	
  	uint8 idle;	
  } pktpool_stats_t;
  #endif 
  
  typedef struct pktpool {
  	bool inited;
  	uint16 r;
  	uint16 w;
  	uint16 len;
  	uint16 maxlen;
  	uint16 plen;
  	bool istx;
  	bool empty;
  	uint8 cbtoggle;
  	uint8 cbcnt;
  	uint8 ecbcnt;
  	bool emptycb_disable;
  	pktpool_cbinfo_t cbs[PKTPOOL_CB_MAX];
  	pktpool_cbinfo_t ecbs[PKTPOOL_CB_MAX];
  	void *q[PKTPOOL_LEN_MAX + 1];
  
  #ifdef BCMDBG_POOL
  	uint8 dbg_cbcnt;
  	pktpool_cbinfo_t dbg_cbs[PKTPOOL_CB_MAX];
  	uint16 dbg_qlen;
  	pktpool_dbg_t dbg_q[PKTPOOL_LEN_MAX + 1];
  #endif
  } pktpool_t;
  
  #if defined(BCM4329C0)
  extern pktpool_t *pktpool_shared_ptr;
  #else
  extern pktpool_t *pktpool_shared;
  #endif 
  
  extern int pktpool_init(osl_t *osh, pktpool_t *pktp, int *pktplen, int plen, bool istx);
  extern int pktpool_deinit(osl_t *osh, pktpool_t *pktp);
  extern int pktpool_fill(osl_t *osh, pktpool_t *pktp, bool minimal);
  extern void* pktpool_get(pktpool_t *pktp);
  extern void pktpool_free(pktpool_t *pktp, void *p);
  extern int pktpool_add(pktpool_t *pktp, void *p);
  extern uint16 pktpool_avail(pktpool_t *pktp);
  extern int pktpool_avail_register(pktpool_t *pktp, pktpool_cb_t cb, void *arg);
  extern int pktpool_empty_register(pktpool_t *pktp, pktpool_cb_t cb, void *arg);
  extern int pktpool_setmaxlen(pktpool_t *pktp, uint16 maxlen);
  extern void pktpool_emptycb_disable(pktpool_t *pktp, bool disable);
  
  #define POOLPTR(pp)			((pktpool_t *)(pp))
  #define pktpool_len(pp)			(POOLPTR(pp)->len - 1)
  #define pktpool_plen(pp)		(POOLPTR(pp)->plen)
  #define pktpool_maxlen(pp)		(POOLPTR(pp)->maxlen)
  
  #ifdef BCMDBG_POOL
  extern int pktpool_dbg_register(pktpool_t *pktp, pktpool_cb_t cb, void *arg);
  extern int pktpool_start_trigger(pktpool_t *pktp, void *p);
  extern int pktpool_dbg_dump(pktpool_t *pktp);
  extern int pktpool_dbg_notify(pktpool_t *pktp);
  extern int pktpool_stats_dump(pktpool_t *pktp, pktpool_stats_t *stats);
  #endif 
  
  
  
  struct ether_addr;
  
  extern int ether_isbcast(const void *ea);
  extern int ether_isnulladdr(const void *ea);
  
  
  
  #define pktq_psetmax(pq, prec, _max)    ((pq)->q[prec].max = (_max))
  #define pktq_plen(pq, prec)             ((pq)->q[prec].len)
  #define pktq_pavail(pq, prec)           ((pq)->q[prec].max - (pq)->q[prec].len)
  #define pktq_pfull(pq, prec)            ((pq)->q[prec].len >= (pq)->q[prec].max)
  #define pktq_pempty(pq, prec)           ((pq)->q[prec].len == 0)
  
  #define pktq_ppeek(pq, prec)            ((pq)->q[prec].head)
  #define pktq_ppeek_tail(pq, prec)       ((pq)->q[prec].tail)
  
  extern void *pktq_penq(struct pktq *pq, int prec, void *p);
  extern void *pktq_penq_head(struct pktq *pq, int prec, void *p);
  extern void *pktq_pdeq(struct pktq *pq, int prec);
  extern void *pktq_pdeq_tail(struct pktq *pq, int prec);
  
  extern void pktq_pflush(osl_t *osh, struct pktq *pq, int prec, bool dir,
  	ifpkt_cb_t fn, int arg);
  
  extern bool pktq_pdel(struct pktq *pq, void *p, int prec);
  
  
  
  extern int pktq_mlen(struct pktq *pq, uint prec_bmp);
  extern void *pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out);
  
  
  
  #define pktq_len(pq)                    ((int)(pq)->len)
  #define pktq_max(pq)                    ((int)(pq)->max)
  #define pktq_avail(pq)                  ((int)((pq)->max - (pq)->len))
  #define pktq_full(pq)                   ((pq)->len >= (pq)->max)
  #define pktq_empty(pq)                  ((pq)->len == 0)
  
  
  #define pktenq(pq, p)		pktq_penq(((struct pktq *)pq), 0, (p))
  #define pktenq_head(pq, p)	pktq_penq_head(((struct pktq *)pq), 0, (p))
  #define pktdeq(pq)		pktq_pdeq(((struct pktq *)pq), 0)
  #define pktdeq_tail(pq)		pktq_pdeq_tail(((struct pktq *)pq), 0)
  #define pktqinit(pq, len) pktq_init(((struct pktq *)pq), 1, len)
  
  extern void pktq_init(struct pktq *pq, int num_prec, int max_len);
  
  extern void *pktq_deq(struct pktq *pq, int *prec_out);
  extern void *pktq_deq_tail(struct pktq *pq, int *prec_out);
  extern void *pktq_peek(struct pktq *pq, int *prec_out);
  extern void *pktq_peek_tail(struct pktq *pq, int *prec_out);
  extern void pktq_flush(osl_t *osh, struct pktq *pq, bool dir, ifpkt_cb_t fn, int arg);
  
  
  
  extern uint pktcopy(osl_t *osh, void *p, uint offset, int len, uchar *buf);
  extern uint pktfrombuf(osl_t *osh, void *p, uint offset, int len, uchar *buf);
  extern uint pkttotlen(osl_t *osh, void *p);
  extern void *pktlast(osl_t *osh, void *p);
  extern uint pktsegcnt(osl_t *osh, void *p);
  
  
  extern uint pktsetprio(void *pkt, bool update_vtag);
  #define	PKTPRIO_VDSCP	0x100		
  #define	PKTPRIO_VLAN	0x200		
  #define	PKTPRIO_UPD	0x400		
  #define	PKTPRIO_DSCP	0x800		
  
  
  extern int bcm_atoi(char *s);
  extern ulong bcm_strtoul(char *cp, char **endp, uint base);
  extern char *bcmstrstr(char *haystack, char *needle);
  extern char *bcmstrcat(char *dest, const char *src);
  extern char *bcmstrncat(char *dest, const char *src, uint size);
  extern ulong wchar2ascii(char *abuf, ushort *wbuf, ushort wbuflen, ulong abuflen);
  char* bcmstrtok(char **string, const char *delimiters, char *tokdelim);
  int bcmstricmp(const char *s1, const char *s2);
  int bcmstrnicmp(const char* s1, const char* s2, int cnt);
  
  
  
  extern char *bcm_ether_ntoa(const struct ether_addr *ea, char *buf);
  extern int bcm_ether_atoe(char *p, struct ether_addr *ea);
  
  
  struct ipv4_addr;
  extern char *bcm_ip_ntoa(struct ipv4_addr *ia, char *buf);
  
  
  extern void bcm_mdelay(uint ms);
  
  extern char *getvar(char *vars, const char *name);
  extern int getintvar(char *vars, const char *name);
  extern int getintvararray(char *vars, const char *name, int index);
  extern int getintvararraysize(char *vars, const char *name);
  extern uint getgpiopin(char *vars, char *pin_name, uint def_pin);
  #define bcm_perf_enable()
  #define bcmstats(fmt)
  #define	bcmlog(fmt, a1, a2)
  #define	bcmdumplog(buf, size)	*buf = '\0'
  #define	bcmdumplogent(buf, idx)	-1
  
  #define bcmtslog(tstamp, fmt, a1, a2)
  #define bcmprinttslogs()
  #define bcmprinttstamp(us)
  
  extern char *bcm_nvram_vars(uint *length);
  extern int bcm_nvram_cache(void *sih);
  
  
  
  
  typedef struct bcm_iovar {
  	const char *name;	
  	uint16 varid;		
  	uint16 flags;		
  	uint16 type;		
  	uint16 minlen;		
  } bcm_iovar_t;
  
  
  
  
  #define IOV_GET 0 
  #define IOV_SET 1 
  
  
  #define IOV_GVAL(id)		((id)*2)
  #define IOV_SVAL(id)		(((id)*2)+IOV_SET)
  #define IOV_ISSET(actionid)	((actionid & IOV_SET) == IOV_SET)
  #define IOV_ID(actionid)	(actionid >> 1)
  
  
  
  extern const bcm_iovar_t *bcm_iovar_lookup(const bcm_iovar_t *table, const char *name);
  extern int bcm_iovar_lencheck(const bcm_iovar_t *table, void *arg, int len, bool set);
  #if defined(WLTINYDUMP) || defined(WLMSG_INFORM) || defined(WLMSG_ASSOC) || \
  	defined(WLMSG_PRPKT) || defined(WLMSG_WSEC)
  extern int bcm_format_ssid(char* buf, const uchar ssid[], uint ssid_len);
  #endif 
  #endif	
  
  
  #define IOVT_VOID	0	
  #define IOVT_BOOL	1	
  #define IOVT_INT8	2	
  #define IOVT_UINT8	3	
  #define IOVT_INT16	4	
  #define IOVT_UINT16	5	
  #define IOVT_INT32	6	
  #define IOVT_UINT32	7	
  #define IOVT_BUFFER	8	
  #define BCM_IOVT_VALID(type) (((unsigned int)(type)) <= IOVT_BUFFER)
  
  
  #define BCM_IOV_TYPE_INIT { \
  	"void", \
  	"bool", \
  	"int8", \
  	"uint8", \
  	"int16", \
  	"uint16", \
  	"int32", \
  	"uint32", \
  	"buffer", \
  	"" }
  
  #define BCM_IOVT_IS_INT(type) (\
  	(type == IOVT_BOOL) || \
  	(type == IOVT_INT8) || \
  	(type == IOVT_UINT8) || \
  	(type == IOVT_INT16) || \
  	(type == IOVT_UINT16) || \
  	(type == IOVT_INT32) || \
  	(type == IOVT_UINT32))
  
  
  
  #define BCME_STRLEN 		64	
  #define VALID_BCMERROR(e)  ((e <= 0) && (e >= BCME_LAST))
  
  
  
  
  #define BCME_OK				0	
  #define BCME_ERROR			-1	
  #define BCME_BADARG			-2	
  #define BCME_BADOPTION			-3	
  #define BCME_NOTUP			-4	
  #define BCME_NOTDOWN			-5	
  #define BCME_NOTAP			-6	
  #define BCME_NOTSTA			-7	
  #define BCME_BADKEYIDX			-8	
  #define BCME_RADIOOFF 			-9	
  #define BCME_NOTBANDLOCKED		-10	
  #define BCME_NOCLK			-11	
  #define BCME_BADRATESET			-12	
  #define BCME_BADBAND			-13	
  #define BCME_BUFTOOSHORT		-14	
  #define BCME_BUFTOOLONG			-15	
  #define BCME_BUSY			-16	
  #define BCME_NOTASSOCIATED		-17	
  #define BCME_BADSSIDLEN			-18	
  #define BCME_OUTOFRANGECHAN		-19	
  #define BCME_BADCHAN			-20	
  #define BCME_BADADDR			-21	
  #define BCME_NORESOURCE			-22	
  #define BCME_UNSUPPORTED		-23	
  #define BCME_BADLEN			-24	
  #define BCME_NOTREADY			-25	
  #define BCME_EPERM			-26	
  #define BCME_NOMEM			-27	
  #define BCME_ASSOCIATED			-28	
  #define BCME_RANGE			-29	
  #define BCME_NOTFOUND			-30	
  #define BCME_WME_NOT_ENABLED		-31	
  #define BCME_TSPEC_NOTFOUND		-32	
  #define BCME_ACM_NOTSUPPORTED		-33	
  #define BCME_NOT_WME_ASSOCIATION	-34	
  #define BCME_SDIO_ERROR			-35	
  #define BCME_DONGLE_DOWN		-36	
  #define BCME_VERSION			-37 	
  #define BCME_TXFAIL			-38 	
  #define BCME_RXFAIL			-39	
  #define BCME_NODEVICE			-40 	
  #define BCME_NMODE_DISABLED		-41 	
  #define BCME_NONRESIDENT		-42 
  #define BCME_LAST			BCME_NONRESIDENT
  
  
  #define BCMERRSTRINGTABLE {		\
  	"OK",				\
  	"Undefined error",		\
  	"Bad Argument",			\
  	"Bad Option",			\
  	"Not up",			\
  	"Not down",			\
  	"Not AP",			\
  	"Not STA",			\
  	"Bad Key Index",		\
  	"Radio Off",			\
  	"Not band locked",		\
  	"No clock",			\
  	"Bad Rate valueset",		\
  	"Bad Band",			\
  	"Buffer too short",		\
  	"Buffer too long",		\
  	"Busy",				\
  	"Not Associated",		\
  	"Bad SSID len",			\
  	"Out of Range Channel",		\
  	"Bad Channel",			\
  	"Bad Address",			\
  	"Not Enough Resources",		\
  	"Unsupported",			\
  	"Bad length",			\
  	"Not Ready",			\
  	"Not Permitted",		\
  	"No Memory",			\
  	"Associated",			\
  	"Not In Range",			\
  	"Not Found",			\
  	"WME Not Enabled",		\
  	"TSPEC Not Found",		\
  	"ACM Not Supported",		\
  	"Not WME Association",		\
  	"SDIO Bus Error",		\
  	"Dongle Not Accessible",	\
  	"Incorrect version",		\
  	"TX Failure",			\
  	"RX Failure",			\
  	"Device Not Present",		\
  	"NMODE Disabled",		\
  	"Nonresident overlay access", \
  }
  
  #ifndef ABS
  #define	ABS(a)			(((a) < 0)?-(a):(a))
  #endif 
  
  #ifndef MIN
  #define	MIN(a, b)		(((a) < (b))?(a):(b))
  #endif 
  
  #ifndef MAX
  #define	MAX(a, b)		(((a) > (b))?(a):(b))
  #endif 
  
  #define CEIL(x, y)		(((x) + ((y)-1)) / (y))
  #define	ROUNDUP(x, y)		((((x)+((y)-1))/(y))*(y))
  #define	ISALIGNED(a, x)		(((uintptr)(a) & ((x)-1)) == 0)
  #define ALIGN_ADDR(addr, boundary) (void *)(((uintptr)(addr) + (boundary) - 1) \
  	                                         & ~((boundary) - 1))
  #define	ISPOWEROF2(x)		((((x)-1)&(x)) == 0)
  #define VALID_MASK(mask)	!((mask) & ((mask) + 1))
  #ifndef OFFSETOF
  #define	OFFSETOF(type, member)	((uint)(uintptr)&((type *)0)->member)
  #endif 
  #ifndef ARRAYSIZE
  #define ARRAYSIZE(a)		(sizeof(a)/sizeof(a[0]))
  #endif
  
  
  extern void *_bcmutils_dummy_fn;
  #define REFERENCE_FUNCTION(f)	(_bcmutils_dummy_fn = (void *)(f))
  
  
  #ifndef setbit
  #ifndef NBBY		      
  #define	NBBY	8	
  #endif 
  #define	setbit(a, i)	(((uint8 *)a)[(i)/NBBY] |= 1<<((i)%NBBY))
  #define	clrbit(a, i)	(((uint8 *)a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
  #define	isset(a, i)	(((const uint8 *)a)[(i)/NBBY] & (1<<((i)%NBBY)))
  #define	isclr(a, i)	((((const uint8 *)a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
  #endif 
  
  #define	NBITS(type)	(sizeof(type) * 8)
  #define NBITVAL(nbits)	(1 << (nbits))
  #define MAXBITVAL(nbits)	((1 << (nbits)) - 1)
  #define	NBITMASK(nbits)	MAXBITVAL(nbits)
  #define MAXNBVAL(nbyte)	MAXBITVAL((nbyte) * 8)
  
  
  #define MUX(pred, true, false) ((pred) ? (true) : (false))
  
  
  #define MODDEC(x, bound) MUX((x) == 0, (bound) - 1, (x) - 1)
  #define MODINC(x, bound) MUX((x) == (bound) - 1, 0, (x) + 1)
  
  
  #define MODDEC_POW2(x, bound) (((x) - 1) & ((bound) - 1))
  #define MODINC_POW2(x, bound) (((x) + 1) & ((bound) - 1))
  
  
  #define MODADD(x, y, bound) \
      MUX((x) + (y) >= (bound), (x) + (y) - (bound), (x) + (y))
  #define MODSUB(x, y, bound) \
      MUX(((int)(x)) - ((int)(y)) < 0, (x) - (y) + (bound), (x) - (y))
  
  
  #define MODADD_POW2(x, y, bound) (((x) + (y)) & ((bound) - 1))
  #define MODSUB_POW2(x, y, bound) (((x) - (y)) & ((bound) - 1))
  
  
  #define CRC8_INIT_VALUE  0xff		
  #define CRC8_GOOD_VALUE  0x9f		
  #define CRC16_INIT_VALUE 0xffff		
  #define CRC16_GOOD_VALUE 0xf0b8		
  #define CRC32_INIT_VALUE 0xffffffff	
  #define CRC32_GOOD_VALUE 0xdebb20e3	
  
  
  typedef struct bcm_bit_desc {
  	uint32	bit;
  	const char* name;
  } bcm_bit_desc_t;
  
  
  typedef struct bcm_tlv {
  	uint8	id;
  	uint8	len;
  	uint8	data[1];
  } bcm_tlv_t;
  
  
  #define bcm_valid_tlv(elt, buflen) ((buflen) >= 2 && (int)(buflen) >= (int)(2 + (elt)->len))
  
  
  #define ETHER_ADDR_STR_LEN	18	
  
  
  
  static INLINE void
  xor_128bit_block(const uint8 *src1, const uint8 *src2, uint8 *dst)
  {
  	if (
  #ifdef __i386__
  	    1 ||
  #endif
  	    (((uintptr)src1 | (uintptr)src2 | (uintptr)dst) & 3) == 0) {
  		
  		
  		((uint32 *)dst)[0] = ((const uint32 *)src1)[0] ^ ((const uint32 *)src2)[0];
  		((uint32 *)dst)[1] = ((const uint32 *)src1)[1] ^ ((const uint32 *)src2)[1];
  		((uint32 *)dst)[2] = ((const uint32 *)src1)[2] ^ ((const uint32 *)src2)[2];
  		((uint32 *)dst)[3] = ((const uint32 *)src1)[3] ^ ((const uint32 *)src2)[3];
  	} else {
  		
  		int k;
  		for (k = 0; k < 16; k++)
  			dst[k] = src1[k] ^ src2[k];
  	}
  }
  
  
  
  extern uint8 hndcrc8(uint8 *p, uint nbytes, uint8 crc);
  extern uint16 hndcrc16(uint8 *p, uint nbytes, uint16 crc);
  extern uint32 hndcrc32(uint8 *p, uint nbytes, uint32 crc);
  
  #if defined(DHD_DEBUG) || defined(WLMSG_PRHDRS) || defined(WLMSG_PRPKT) || \
  	defined(WLMSG_ASSOC)
  extern int bcm_format_flags(const bcm_bit_desc_t *bd, uint32 flags, char* buf, int len);
  #endif
  
  #if defined(DHD_DEBUG) || defined(WLMSG_PRHDRS) || defined(WLMSG_PRPKT) || \
  	defined(WLMSG_ASSOC) || defined(WLMEDIA_PEAKRATE)
  extern int bcm_format_hex(char *str, const void *bytes, int len);
  #endif
  
  extern const char *bcm_crypto_algo_name(uint algo);
  extern char *bcm_chipname(uint chipid, char *buf, uint len);
  extern char *bcm_brev_str(uint32 brev, char *buf);
  extern void printbig(char *buf);
  extern void prhex(const char *msg, uchar *buf, uint len);
  
  
  extern bcm_tlv_t *bcm_next_tlv(bcm_tlv_t *elt, int *buflen);
  extern bcm_tlv_t *bcm_parse_tlvs(void *buf, int buflen, uint key);
  extern bcm_tlv_t *bcm_parse_ordered_tlvs(void *buf, int buflen, uint key);
  
  
  extern const char *bcmerrorstr(int bcmerror);
  
  
  typedef uint32 mbool;
  #define mboolset(mb, bit)		((mb) |= (bit))		
  #define mboolclr(mb, bit)		((mb) &= ~(bit))	
  #define mboolisset(mb, bit)		(((mb) & (bit)) != 0)	
  #define	mboolmaskset(mb, mask, val)	((mb) = (((mb) & ~(mask)) | (val)))
  
  
  extern uint16 bcm_qdbm_to_mw(uint8 qdbm);
  extern uint8 bcm_mw_to_qdbm(uint16 mw);
  
  
  struct fielddesc {
  	const char *nameandfmt;
  	uint32 	offset;
  	uint32 	len;
  };
  
  extern void bcm_binit(struct bcmstrbuf *b, char *buf, uint size);
  extern int bcm_bprintf(struct bcmstrbuf *b, const char *fmt, ...);
  extern void bcm_inc_bytes(uchar *num, int num_bytes, uint8 amount);
  extern int bcm_cmp_bytes(uchar *arg1, uchar *arg2, uint8 nbytes);
  extern void bcm_print_bytes(char *name, const uchar *cdata, int len);
  
  typedef  uint32 (*bcmutl_rdreg_rtn)(void *arg0, uint arg1, uint32 offset);
  extern uint bcmdumpfields(bcmutl_rdreg_rtn func_ptr, void *arg0, uint arg1, struct fielddesc *str,
                            char *buf, uint32 bufsize);
  
  extern uint bcm_mkiovar(char *name, char *data, uint datalen, char *buf, uint len);
  extern uint bcm_bitcount(uint8 *bitmap, uint bytelength);
  
  
  
  #define SSID_FMT_BUF_LEN	((4 * DOT11_MAX_SSID_LEN) + 1)
  
  unsigned int process_nvram_vars(char *varbuf, unsigned int len);
  
  #ifdef __cplusplus
  	}
  #endif
  
  #endif	
  